JP7098278B2 - Stabilized specific structure in wear member assembly - Google Patents

Description

This application was filed on May 13, 2016, and was entitled "Abrasion Member Stabilization System with Octagonal Contact Surfaces", US Provisional Patent Application No. 62 / 335,789, and January 3, 2017. It claims the benefits of US Provisional Patent Application No. 62 / 441,779, which was submitted on the same day and was referred to as the "stabilized specific structure in the wear member assembly", and the disclosures thereof are made in its entirety by reference. Incorporated in the specification.

The present disclosure relates generally to a wear member assembly that bites into the ground, including an adapter that secures a wear member for excavation to the lip of the bucket. More specifically, the present disclosure relates to a method of stabilizing a load-carrying surface between adjacent wear members.

Drilling buckets found in construction, mining, and material removal devices such as other earth moving equipment often include replaceable wear parts such as teeth that bite into the ground. They are often detachably attached to larger foundation structures such as drilling buckets and are subject to abrasion contact with soil or other substances being removed. Excavation teeth deployed on excavation equipment, such as excavation buckets, typically consist of relatively heavy adapter portions properly moored to the anterior bucket lip. The adapter portion typically includes a forward protruding nose. The replaceable tooth typically includes a rearward cavity that detachably accepts the adapter nose. In order to hold the tooth on the adapter nose, a generally aligned lateral opening may be formed on both the tooth and the adapter nose, and into each of the aligned openings. The replaceable tooth is detachably moored onto the adapter nose associated with it by driving and forcibly holding the appropriate connector structure.

During normal operation, the tooth faces a load in multiple directions. If the tooth is not positioned in a stable manner on the nose, the load on the tooth can cause additional wear on the adapter. Therefore, there is a need for a good adapter nose and a corresponding opening in the tooth.

According to some typical embodiments, the wear member assembly may include a nose that can be attached to the lip of the bucket. The nose may include a posterior portion having eight substantially flat surfaces of the first group towards the end of the posterior portion and converging towards the longitudinal axis of the nose. The substantially flat surface of the first group is the surface of the first subset having top and bottom surfaces, the side surface of the second subset, and the surface of the third subset comprising a supported surface. May include. The surface of the third subset is angled and located between the surface of the first subset and the surface of the second subset. The nose is also an anterior portion located anterior to the posterior portion, the anterior portion of the second group 8 towards the end of the anterior portion and converging towards the longitudinal axis of the nose. It may also include an anterior portion having one substantially flat surface. The substantially flat surface of the second group includes a fourth subset with top and bottom surfaces, a side surface of the fifth subset, and a surface of the sixth subset comprising a supporting surface. Obtained, the surface of the fifth group is angled and located between the surface of the first subset and the surface of the second subset. The wear member assembly may also include a wear member having a cavity that opens towards the rear end, the cavity being rear and front corresponding to the surface of the third subset and the surface of the fifth subset. It consists of a supporting surface.

According to some representative embodiments, the wear member has a posterior portion with eight surfaces of a first group that points towards the end of the posterior portion and converges towards the longitudinal axis at a first angle. Includes cavities with. The substantially flat surface of the first group may include a top and bottom surface, a group of side surfaces, and a group of diagonal surfaces comprising a supporting surface. The cavity may further include an anterior portion located anteriorly adjacent to the posterior portion, the anterior portion converging towards the longitudinal axis at a second angle smaller than the first angle. It has eight surfaces in the group. The cavity may further include a group of pockets located at least partially along the diagonal surface, which pockets have an inward vertical surface.

According to some representative embodiments, the wear member assembly is an adapter nose, a rear portion having a cross-sectional width and a cross-sectional height, wherein the cross-sectional width is different from the cross-sectional height. The rear portion has two non-supported surfaces and four substantially flat supported surfaces, the two non-supported surfaces having a substantially horizontal cross section and the four substantially flat supported surfaces. The first two surfaces of the four substantially flat supported surfaces with an inclined cross section are disposed on the first lateral side of the two substantially flat non-supported surfaces. The second two surfaces of the four substantially flat supported surfaces are disposed on the second lateral side of the two substantially flat non-supported surfaces and of the posterior portion. At the end, the adapter nose has a posterior portion, wherein the cross-sectional width of any one of the two non-supported surfaces differs from the cross-sectional width of any surface of the four substantially supported surfaces. , May be included.

According to some typical embodiments, the wear member comprises a cavity having a posterior portion and an anterior portion. The rear portion may have a cross-sectional width and a cross-sectional height, which is different from the cross-sectional height. The cavity may have two substantially flat non-supported surfaces and four substantially flat supported surfaces. The two substantially flat non-supported surfaces may have a substantially horizontal cross section, while the four substantially flat supported surfaces may have a slanted cross section. The first two surfaces of the four substantially flat supported surfaces can be disposed on the first lateral side of the two substantially flat non-supported surfaces, as well as the four substantially flat supports. The second two surfaces of the substantially flat supported surface may be disposed on the second lateral side of the two substantially flat non-supported surfaces. At the end of the posterior portion, the cross-sectional width of any one of the two substantially flat non-supported surfaces can differ from the cross-sectional width of any surface of the four substantially supported surfaces.

The present disclosure includes a particularly shaped support surface disposed on a wear member nose such as an adapter nose and a correspondingly shaped support surface on an additional wear member introduced on the nose. It relates to a wear member assembly having. The above schematic description and the following drawings and detailed description are both exemplary and descriptive in nature and provide an understanding of the disclosure without limiting the scope of the disclosure. It is understood that this is intended. In that regard, those skilled in the art will appreciate the additional viewpoints, features and advantages of this disclosure from the following:

The present disclosure relates to a method of providing stability and support by stabilizing a load-bearing surface on a wear member during excavation / material removal operations that bite into the ground. In some embodiments, the present disclosure is a hollow ground biting wear member that is attachable to a support structure and has a tip disposed to bite into the ground and a cavity formed within itself. Describes a wear member that may include a rear end. The cavity may have an inner surface, a longitudinally extending axis and anterior portion, and a posterior portion adjacent to the posterior end. The inner side surface may have each inner wall that is horizontally separated and faces each other, and may have each inner wall that is vertically separated and faces each other so as to form an upper inner side surface and a lower inner side surface. The upper inner surface and the lower inner surface each have a centrally disposed, inwardly projecting carrier surface portion arranged to provide a carrier match for the support structure. Each inwardly projecting carrier surface portion may be disposed within the posterior portion of the cavity, may have a lateral width smaller than the longitudinal length, and may be receptive within the recessed portion of the support structure. be. The inwardly projecting carrier surface may be arranged to support a load applied vertically at the tip.

According to some representative embodiments, the present disclosure relates to a support structure arranged to receive the wear member, wherein the support structure includes a nose arranged to receive the cavity of the wear member. obtain. The nose may include an anterior portion having a plurality of outward surfaces, each outward surface being angled at a first angle with respect to the longitudinal axis of the nose. The nose may further include a rear portion having two horizontally spaced outward surfaces and two vertically separated outward surfaces including an upward surface and a downward surface, said horizontally. The separated outward surface and the vertically separated outward surface are angled with respect to the longitudinal axis at a second angle different from the first angle. The nose may further include a first concave carrier surface located on the upward surface. The nose may further include a second concave carrier surface located on the downward surface.

According to additional exemplary embodiments, the present disclosure relates to a wear member which may include a cavity arranged to fit into the nose of the adapter. The cavity may include a front portion having a plurality of inward surfaces, each inward surface being angled at a first angle with respect to the longitudinal axis of the cavity. The cavity may include two horizontally spaced inward surfaces and two vertically spaced inward surfaces including an upward and downward surface, the horizontally spaced inward surfaces. And the vertically spaced inward surfaces are angled with respect to the longitudinal axis at a second angle different from the first angle. The cavity may include a first convex supported surface located on the upward surface. The cavity may include a second convex loading surface located on the downward surface.

According to a further representative embodiment, the present disclosure may include an adapter having a rear end portion arranged to secure the adapter to a bucket lip and a front end portion having a nose. Regarding assembly. The wear member also includes an upward substantially flat surface that at least partially localizes the upward concave support surface and a downward substantially flat surface that at least partially localizes the downward concave support surface. obtain. The wear member assembly may also include a wear member having a front end portion arranged to bite into the ground and a rear end portion having a cavity. The cavity may include a downward surface having a first outward protrusion extending from itself, the first outward protrusion being arranged to fit into the upward concave support surface. The cavity may include an upward surface having a second outward protrusion extending from itself, the second outward protrusion being arranged to fit into the downward concave carrier surface.

The accompanying drawings illustrate embodiments of the systems, devices and methods disclosed herein and serve to illustrate the principles of the present disclosure in conjunction with the above description.

FIG. 3 is an overview diagram of a wear member assembly that bites into the ground according to an embodiment incorporating the principles described herein. FIG. 3 is a perspective view of an adapter nose with a supported surface portion on top and bottom surfaces according to an embodiment incorporating the principles described herein. It is a schematic diagram which shows the longitudinal sectional view of the support surface part in the nose of the adapter which concerns on one Example which adopted the principle described in this specification. It is a schematic diagram which shows the longitudinal sectional view of the support surface part in the nose of the adapter which concerns on one Example which adopted the principle described in this specification. It is a schematic diagram which shows the lateral sectional view of the supported surface part in the nose which concerns on one Example which adopted the principle described in this specification. It is a schematic diagram which shows the lateral sectional view of the supported surface part in the nose which concerns on one Example which adopted the principle described in this specification. FIG. 3 is a plan view of a nose with a supported surface portion according to an embodiment incorporating the principles described herein. FIG. 3 is a front view of a nose with a supported surface portion according to an embodiment incorporating the principles described herein. FIG. 3 is a perspective view of a tooth portion having a protrusion corresponding to a supported surface portion in the nose, according to an embodiment incorporating the principles described herein. FIG. 3 is a longitudinal sectional view of a tooth portion provided with a protruding portion according to an embodiment incorporating the principle described in the present specification. It is sectional drawing in the lateral direction of the tooth part provided with the protrusion, which concerns on one Example which adopted the principle described in this specification. It is sectional drawing in the lateral direction of the tooth part provided with the protrusion, which concerns on one Example which adopted the principle described in this specification. It is a back view of the tooth part seen into the cavity which concerns on one Example which adopted the principle described in this specification. It is an exploded perspective view of the wear member assembly which bites into the ground which concerns on one Embodiment of the principle described in this specification. It is a figure which shows the nose seen along the longitudinal axis of the adapter nose which concerns on one embodiment of the principle described herein. It is a side view of the adapter nose which concerns on one embodiment of the principle described in this specification. It is a figure which shows the tooth part seen into the cavity which concerns on one Embodiment of the principle described in this specification. FIG. 3 is a side sectional view of a tooth assembly according to an embodiment of the principle described herein. FIG. 3 is a perspective view of an adapter nose according to an embodiment of the principles described herein. It is a figure which shows the adapter nose provided with the twist control specific structure which concerns on one Embodiment of the principle described in this specification. It is a side view of the adapter nose provided with the twist control specific structure which concerns on one embodiment of the principle described in this specification. It is a perspective view of the adapter nose provided with the twist control specific structure which concerns on one embodiment of the principle described in this specification. It is a top view of the adapter nose provided with the twist control specific structure which concerns on one embodiment of the principle described in this specification. FIG. 6 is a schematic diagram showing a tooth portion having a cavity designed to fit into an adapter nose with a twist control specific structure, according to an embodiment of the principles described herein. It is a figure which shows the cross section of the adapter nose orthogonal to the longitudinal axis, which concerns on one embodiment of the principle described herein. It is a figure which shows the cross section orthogonal to the longitudinal axis of the adapter nose provided with the twist control specific structure which concerns on one Embodiment of the principle described in this specification. It is a figure which shows the cross section of the front part of the adapter nose which concerns on one Embodiment of the principle described in this specification. It is a figure which shows the cross section of the adapter nose provided with the offset twist control specific structure which concerns on one Embodiment of the principle described in this specification.

These figures will be better understood by reference to the detailed description below.

For the purpose of facilitating the understanding of the principles of the present disclosure, references are then made to the embodiments shown in the drawings and specific terminology is used to describe them. However, it is understood that no limitation of the scope of disclosure is intended. Any changes or further modifications to the described devices, equipment, methods, and any further application of the principles of this disclosure, as will be commonly recalled by one of ordinary skill in the art in which the disclosure is relevant. Well planned. In addition to this, if the same element or specific structure appears in a sequential diagram, the present disclosure describes some element or specific structure for one or more embodiments or figures without a high degree of detail. do. Specific structures, components and / or steps described for one or more embodiments or figures may be combined with specific structures, components and / or steps described for other embodiments or figures of the present disclosure. Is well planned. For simplification, in some cases the same or similar reference numbers are used throughout each figure to refer to the same or similar members.

The present disclosure relates to a wear member assembly that bites into the ground, including an adapter nose that is stickable to the lip of the bucket. The wear member assembly that bites into the ground also includes teeth or other wear members such as intermediate adapters that can be secured to the adapter nose. The wear member includes a rearward facing cavity designed to fit into the adapter nose. The nose may include a surface of the anterior group and a surface of the posterior group, and in some embodiments, both the surface of the anterior group and the surface of the posterior group are in cross section. It can form a substantially octagonal shape. The various surfaces of both the anterior group surface and the posterior group surface can be mating (or supported) surfaces, while the anterior group surface and the posterior group surface of the other. The surface can be a non-matching (or non-supporting) surface. In some specific embodiments, the top and bottom surfaces within the rear group of surfaces can be mating surfaces and interference-supporting specific structures such as protrusions on one of the teeth or adapters. And may include matching recesses on the other of the teeth or adapters. Together, they can distribute the vertical load onto the adapter nose in a manner that assists in the stability and alignment of the wear member. As used herein, a mating surface is a load-carrying surface.

In some embodiments, the adapter of the wear assembly that bites into the ground comprises a mating surface on an angled side surface. These mating surfaces may be arranged in a manner that provides a stabilizing contact to more than one mating surface when the wear assembly that bites into the ground is delegated to a vertical or horizontal load. For example, the applied vertical downward load may be supported by two angled mating surfaces, while the applied vertical upward load may be supported by two separate angled mating surfaces. Similarly, the horizontal load on the left side can be supported by two angled mating surfaces, while the horizontal load on the right side can be supported by two angled mating surfaces. In some embodiments, a group of angled mating surfaces is disposed at the end or front end of the adapter nose and another group of angled mating at the base or rear end of the adapter nose. The surface is arranged. In this way, the wear member, such as the tooth portion, can be supported by a plurality of angled mating surfaces at both the end and base ends of the adapter nose.

FIG. 1 is an overview view of a typical wear member assembly 100 that bites into the ground according to an embodiment of the present disclosure. In the embodiments shown, the wear member assembly 100 that bites into the ground includes a tooth (or wear member) 104, an adapter 102, and a retaining pin 106. In this embodiment, the wear assembly 100 also includes a shroud wear member 108. The adapter 102 includes a hole (not shown) that receives the retaining pin 106. The tooth portion 104 also contains a hole through which the retaining pin 106 can be inserted. The retaining pin 106 may anchor the tooth portion 104 onto the adapter 102. As used herein, the adapter 102 may also be referred to as a support structure, as it provides stabilizing support for the additional component of the tooth 104 in this embodiment.

FIG. 2 is a perspective view of the adapter 102. According to this embodiment, the adapter 102 includes a front end 201 and a rear end 212. The front end 201 includes the nose 203, and the rear end 212 includes a pair of bifurcated legs 214a, 214b arranged to secure the adapter 102 to the lip of the bucket (not shown). Longitudinal axis 211 is shown through the front end 201 and the rear end 212. A lateral axis 215 is shown for reference at positions that would extend parallel to the edge of the bucket lip (not shown).

According to this embodiment, the nose 203 includes an anterior portion 205, a posterior portion 207, and an intermediate portion 209 extending between the anterior portion 205 and the posterior portion 207. The anterior portion 205 includes a forward facing end surface 220 and a plurality of outward facing surfaces 202 in an octagonal arrangement adjacent to the end surface 220. In this embodiment, each of the surfaces 202 is angled with respect to the longitudinal axis 211. Further, at least four of the surfaces are angled with respect to the lateral axis 215. In some embodiments, at least four of the plurality of surfaces 202 may be load-supporting matched surfaces. For example, in some embodiments, each surface 202 may include angled surfaces 202a, 202b, 202c and 202d as load-supporting mating surfaces. In other embodiments, each surface 202 may include vertical and horizontal surfaces 202e, 202f, 202g and 202h as load-supporting mating surfaces. In some embodiments, each of the surfaces 202 may be substantially flat, while in other embodiments only four of each surface 202 are substantially flat. In yet another embodiment, different numbers of the eight surfaces 202 are substantially flat.

In this embodiment, the posterior portion 207 also includes a plurality of outward facing surfaces 204 in an octagonal arrangement. Each of the surfaces 204 is angled with respect to the longitudinal axis. Each of the posterior surfaces 204 can be angled differently with respect to the longitudinal axis. For example, the side surfaces 204f, 204h may be angled differently from the top and bottom surfaces 204e, 204g with respect to the longitudinal axis. In this embodiment, each posterior surface 204 is angled differently from each anterior surface 202 with respect to the longitudinal axis. Specifically, each posterior surface 204 is angled at an angle greater than each anterior surface 202 with respect to the longitudinal axis. In the examples, the various anterior surfaces 202 may have different angles with respect to the longitudinal axis. Similarly, each rear surface 204 may have different angles with respect to the longitudinal axis. In such an embodiment, the average angle at which each of the posterior surfaces 204 converges towards the longitudinal axis can be greater than the average angle at which each anterior surface 202 converges towards the longitudinal axis. As shown in the perspective view of FIG. 2, each rear surface 204 includes angled surfaces 204a, 204b, 204c. The opposite side of the nose 203 includes, for example, the additional angled surface 204d recognized in FIGS. 4A and 4B. Each posterior surface 204 also includes a top surface 204e and a side surface 204h. The nose 203 also includes, for example, the bottom surface 204g recognized in FIGS. 4A and 4B, and the contralateral side surface 204f. Each posterior surface 204 may also include a supported or mated surface. In some embodiments, each of the posterior surfaces 204 can be a supported mating surface. In some embodiments, only angled surfaces 204a, 204b, 204c, 204d can be mating surfaces. In some embodiments, only horizontal and vertical surfaces 204e, 204f, 204g, 204h can be mating surfaces. In some embodiments, each of the surfaces 204 can be substantially flat, while in other embodiments only four of the eight surfaces 204 are substantially flat. In yet another embodiment, different numbers of surfaces 204 are substantially flat.

In this embodiment, the intermediate portion 209 comprises a plurality of outward facing surfaces 216. These outward surfaces 216 may extend between and intersect each surface 202 and each surface 204. In some embodiments, each surface 216 may be angled to the longitudinal axis 211 differently than each surface 202 and each surface 204. Referring to FIG. 2, each outward surface 216 may include a plurality of surfaces, among other surfaces, including an upward surface 216a and a downward surface 216b (FIGS. 3A and 3B). In this embodiment, each side surface of the intermediate portion 209 may include a hole 206. Additional angled surfaces 216c, 216d, 216e, 216f (as optimally seen in FIGS. 5 and 6) are disposed around the middle portion of the nose.

Referring to FIGS. 2, 3A, 3B, 5 and 6, the upward surface 216a of the intermediate portion 209 is different from both the adjacent upper surface 204e of the posterior portion 207 and the adjacent top surface 202e of the anterior portion 205. Can extend at an angle. Thus, the upward surface 216a may be non-flat with respect to the adjacent upper surface 204e of the posterior portion 207 and the adjacent top surface 202e of the anterior portion 205. In a similar fashion, the downward surface 216b of the intermediate portion 209 may extend at a different angle than both the adjacent bottom surface 204g of the posterior portion 207 and the bottom surface 202g of the anterior portion 205.

In this embodiment, the top surface 204e includes a concave carrier surface 210 located above it. In some embodiments, the top surface 204e localizes the concave supported surface 210. In some embodiments, the concave carrier surface 210 hangs over the intersection of the upward surface 216a and the top surface 204e. The concave-supported surface 210, in this embodiment, is a recessed portion that may cooperate with the corresponding protrusion of the wear member 104 to provide load-supporting stability as well as lateral stability. Although not visible from this perspective, the nose 203 may also have a similar concave carrier surface portion on the bottom surface opposite the top surface 204e. In some embodiments, the concave carrier surface on the bottom surface can be shaped identically to the concave carrier surface 210 on the top surface 204e. In this embodiment, the concave supported surface 210 has a substantially elliptical shape. Other shapes are also conceived. For example, instead of being elliptical in shape, the concave carrier surface 210 can be circular or have other certain morphologies.

The nose 203 also includes a hole 206 extending from the side surface 204h to the contralateral side surface (not shown in this perspective view). In this embodiment, the hole 206 is formed in the middle portion 209 of the nose 203. The holes 206 are sized and shaped to accommodate the retaining pins. In this embodiment, the hole 206 is located in front of the concave carrier surface 210. In other words, at least a portion of the concave carrier surface 210 is located behind the hole 206. In some embodiments, the entire concave carrier surface 210 may be located behind the hole 206. In another embodiment, the hole 206 extends only partially through the nose 203. A corresponding hole 206 may be formed on the opposite side of the nose 203. In these embodiments, two separate retaining pins may be used to secure the wear member 104 to the adapter 102 (see FIG. 1).

The nose also includes twist control surfaces 230b, 230d. The twist control surfaces 230a, 230c are shown in FIGS. 4B and 6. Twist control specific structures 230a, 230b, 230c and 230d are outwardly substantially flat surfaces that abut and match each corresponding surface within the tooth cavity described in more detail below. It can be a surface that is dimensioned and shaped to the extent possible. In this embodiment, the twist control surfaces 230a, 230b, 230c, 230d intersect the angled surfaces 204a, 204b, 204c, 204d of the rear portion 207, respectively. In particular, the twist control surfaces 230a, 230b, 230c, 230d intersect such surfaces in the vicinity of the intersection of the angled surfaces 204a, 204b, 204c, 204d with respect to the vertical surfaces 204f, 204h. In some embodiments, the twist control surfaces 230a, 230b, 230c, 230d can be flush with the vertical surfaces 204f, 204h.

In some embodiments, each angled surface of both the anterior surface 202 and each posterior surface 204 can be a supported (or matched) surface. Specifically, the surfaces 202a, 202b, 202c, 202d, 204a, 204b, 204c, 204d can be supported surfaces. Additionally, the horizontal and top surfaces within each anterior surface 202 and each posterior surface 204 can be non-supported (or non-matched) surfaces. Specifically, the surfaces 202e, 202f, 202g, 202h, 204e, 204f, 204g, 204h can be non-supported surfaces. Other combinations of supported and non-supported surfaces are also contemplated.

3A and 3B are schematic views showing an overview of the longitudinal cross section of a portion of the adapter 102, showing the upper concave carrier surface 210 and the lower concave carrier surface 213. FIG. 3B specifically shows the supported surface portion 213 at the bottom surface 204 g of the nose of the adapter 102. In some embodiments, the top surface 204e and the bottom surface 204g can both be mating surfaces. In such cases, the other surface, such as each side surface or each angled surface, can be either a matched surface or a non-matched surface. For example, it is possible that all angled surfaces are non-matching surfaces, while the top, bottom and side surfaces are matching surfaces. As shown above, some embodiments of the concave supported surface 210 hang over the intersection of the upward surface 216a and the top surface 204e. In such an embodiment, the upward surface 216a can be a non-matching surface, while the concave supported surface 210 constitutes a matching surface. In some embodiments, the concave surfaces 210, 213 can be non-supported surfaces. In such embodiments, various combinations of horizontal, vertical and angled surfaces can be mating surfaces, and in some cases only angled surfaces are mating surfaces. It is possible that all surfaces are mating surfaces. Other combinations of mated and non-matched surfaces are contemplated. For example, in the same manner as shown below in the description accompanying FIGS. 11A-16D, each angled surface can be a matched surface, while each horizontal and vertical surface is a non-matched surface.

The concave carrier surface 213 at the bottom can be substantially identical to the concave carrier surface portion 210 at the top. In some embodiments, the position and shape of the concave carrier surface portion 213 at the bottom may mirror the position and shape of the concave carrier surface portion 210 at the top. Thus, similar to the arrangement configuration described above, the bottom concave supported surface 213 can hang over the intersection of the downward surface 216b and the bottom surface 204g. In such an embodiment, the bottom facing surface 216b can be a non-matching surface, while the lower concave supported surface 213 forms a matching surface. In some embodiments, the concave carrier surface portion 213 at the bottom may be longitudinally offset from the concave carrier surface portion 210 at the top. For example, the concave carrier surface portion 213 at the bottom may be closer to or further separated from the anterior portion of the nose than the concave carrier surface portion 210 at the top.

In this embodiment, the concave supported surface portions 210, 213 are formed as recessed portions having a smooth, rounded surface as shape transitions from the concave surface to the flat upper surface 204e. The recessed portion provides lateral stability to the rear portion of the wear member 104 when exposed to a load during use. In addition to this, when a vertical load is directed onto the front tip of the wear member 104, the recessed portion disperses the load in the rear portion of the wear member and the load passes through the concave carrier surface portions 210, 213. It is transmitted to the above adapter (or intermediate adapter if provided). In addition, the concave surface portions 210, 213 carrying the load provide a smooth surface with curved sides that support lateral stability. Therefore, the lateral load at the front end of the wear member resulting in the reverse load at the end of the wear member 104 can be alleviated to some extent by the curved lateral sides of the concave carrier surface portions 210, 213. As can be understood, the recess is formed on a top surface 204e angled longitudinally to face the tip surface 220 of the adapter 102. Therefore, the corresponding protrusions on the inner surface of the wear member 104 can be directly fitted into the depressed support surface portions 210 and 213.

4A and 4B are schematic views showing a cross-sectional overview of the concave supported surface portions 210 and 213 in the adapter 102. 4A and 4B also show each of the rear surface 204. In particular, FIGS. 4A and 4B show an upward top surface 204e, an outward side surface 204f, 204h, and a downward bottom surface 204g. 4A and 4B also show outward angled surfaces 204a, 204b, 204c, 204d. In the exemplary embodiments shown, the concave carrier surface portions 210, 213 are formed in the posterior portion 207 only on the upward top surface 204e and the downward bottom surface 204g, while the outward side surface 204f, The 204h and the outwardly angled surfaces 204a, 204b, 204c, 204d are all formed relatively flat. This may provide additional matching surface support for vertical loads on the supported teeth 104, while standard support for horizontal, i.e., side-to-side loads.

FIG. 5 is a plan view of the nose 203 of the adapter 102. The concave supported surface portion 210 is shown extending into and intersecting the intersection of the upward surface 216e and the top surface 204e. In some embodiments, the lateral width 504 of the concave supported surface portion 210 can be in the range of about 60-80% of the lateral width 508 of the top surface 204e. In some embodiments, the lateral width 504 of the concave carrier surface portion 210 can be about 70% of the lateral width 508 of the top surface 204e. The longitudinal length 502 of the concave-supported surface portion 210 may be similar to the lateral width 504 of the concave-supported surface portion 210. In some embodiments, the longitudinal length 502 of the concave carrier surface portion 210 can be made larger in the range of about 0-50% than the lateral width 504. The concave-supported surface portion 210 may be sized to provide stability and increase the surface area of the top surface 204e while minimizing the weakening of the adapter 102 by stress concentrations. Therefore, the depth of the depressed supported surface can be selected to provide the required balance of stability and strength. In some embodiments, the depth of the supported surface portion is chosen to be in the range of about 0.1 inch to about 0.625 inch, but other depths are contemplated.

FIG. 6 is a slightly tilted front view of the adapter 102 with the concave carrier surface portion 210. FIG. 6 also shows the top surface 204e, the top surface 202e, and the top surface 216a. FIG. 6 also shows the posterior angled surfaces 204a, 204b, the anterior angled surfaces 202a, 202b, and the intermediate unsupported surfaces 216c and 216f.

FIG. 7A is a perspective view of the wear member 104 including a protrusion extending from the inner surface of the cavity. The wear member 104 may also be referred to as a hollow ground biting wear member. The wear member 104 may also be referred to as a tooth portion, but the wear member 104 may also constitute an intermediate adapter or other wear member to be supported by or configured to support it. .. The wear member 104 includes a tip 708 in the front end 701 of the wear member. The tip 708 is arranged to bite into or penetrate the ground and may be generally referred to as the working end. The wear member 104 also includes a rear end having a cavity sized and shaped (shown in cross section in FIG. 7B) to accommodate the nose 203 of the adapter 102.

In this embodiment, the side surface 709 of the wear member 104 includes a hole 711 dimensioned and shaped to accommodate the retaining pin 106 (FIG. 1). In some embodiments, the opposite side of the wear member 104 may include similar holes. The hole 711 may be positioned so that the hole 711 is aligned with the hole 206 of the adapter 102 when the wear member 104 is properly placed on the nose 203. Therefore, the retaining pin 106 may be inserted through and installed in the holes 206, 711 to hold the wear member 104 on the adapter 102.

In this embodiment, the wear member 104 includes a wear indicator 731. The wear indicator 731 may be a recess or depression in the wear member 104 that indicates to the operator when the wear member 104 should be replaced. In particular, the wear member 104 wears as it is used for excavation work. When it wears to a point where the bottom of the wear indicator 731 is flush with the rest of the wear member 104, this indicates to the operator that it is time to replace the wear member 104. The wear indicator 731 can be dimensioned and shaped such that it has a depth associated with the expected amount of wear before the wear member 104 should be replaced. This expected amount of wear can be based on historical data representing how the wear member 104 wears during normal operation. The wear indicator 731 may also be located elsewhere on the wear member 104.

FIG. 7B is a longitudinal sectional view of the wear member 104 showing the upper protrusion 706 and the lower protrusion 707 arranged to correspond to the concave supported surfaces 210, 213 on the adapter 102. The wear member 104 includes a front end 708 and a rear end 703. The rear end portion 703 is formed with a cavity 702 extending inward in the longitudinal direction from the rear end portion 703. The cavity 702 opens behind the wear member 104 and is shaped and sized to fit into the nose 203 of the adapter 102.

In some embodiments, the cavity 702 is shaped to have a surface corresponding to the various surfaces of the nose 203. In some embodiments, not all surfaces are mating surfaces, so only each mating surface of the cavity 702 and nose 203 has the same shape. That is, the cavity 702 can be contoured such that the mating surface of the cavity 702 coincides with the mating surface of the adapter 102. Therefore, the relevant description herein relating to each outer surface of the nose 203 applies equally to each inner surface of the cavity 702 of the wear member 104. Like the nose 203, the cavity 702 includes an anterior portion 720, a posterior portion 722, and an intermediate portion 724. The cavity 702 also includes a longitudinal axis 718 that is coaxial with the longitudinal axis of the wear member 104 in this embodiment. The lateral axis 719 (FIGS. 7A and 10) extends orthogonally to the longitudinal axis 718, and the lateral axis is intended to be positioned substantially parallel to the tip of the lip of the bucket. Be placed.

According to this embodiment, the cavity 702 includes an anterior portion 720, an intermediate portion 724 and an anterior portion 720. The anterior portion 720 contains a plurality of substantially flat inward facing surfaces 721a, 721b, 721e, 721f, 721g in an octagonal shape (not all eight surfaces are shown in the sectional view of FIG. 7B). .. These surfaces 721a, 721b, 721e, 721f, 721g may correspond to some of the outward facing surfaces 202 of the anterior portion 205 of the adapter 102. As mentioned above, some surfaces 202 of the anterior portion 205 can be mating surfaces, while some can be non-matching surfaces. Each mating surface of the adapter 102 may match each mating surface of the cavity 702, while each non-matching surface of the adapter 102 may have a slightly different shape than each non-matching surface of the cavity 702, or the cavity 702. Can be offset from each non-matching surface of.

Intermediate portion 724 includes a plurality of substantially flat inward facing surfaces 723a, 723b, 723e, 723f, 723g (not all surfaces are shown in the sectional view of FIG. 7B). These surfaces 723a, 723b, 723e, 723f, 723g may correspond to some of the outward facing surfaces 216 of the intermediate portion 209 of the adapter 102. Specifically, can each mating surface of the adapter 102 match each mating surface of the cavity 702, while each non-matching surface of the adapter 102 can have a slightly different shape than each non-matching surface of the cavity 702? , Or can be offset from each non-matching surface of the cavity 702.

The posterior portion 722 comprises a plurality of substantially flat inward facing surfaces 704a, 704b, 704c, 704d, 704e, 704f, 704g, 704h in an octagonal shape (some surfaces are in FIGS. 8A and 8B). Even better shown). These surfaces are the upper inner surface 704e (vertically separated) and the lower inner surface 704g, the horizontally separated side surfaces 704f, 704h, the upper angled inner surfaces 704a, 704c, and the lower. Includes side angled inner surface 704b, 704g. These surfaces 704a, 704b, 704c, 704d, 704e, 704f, 704g, 704h may correspond to each outward surface 204 of the anterior portion 207 of the adapter 102. Specifically, each mating surface of the adapter 102 may match each mating surface of the cavity 702, while each non-matching surface of the adapter 102 may have a slightly different shape than each non-matching surface of the cavity 702. Alternatively, it may be offset from each non-matching surface of the cavity 702.

The cavity 702 includes an upper inward surface 704e designed to match the upward surface 204e of the nose 203. In some embodiments, the upper inward surface 204e can be substantially flat. The upper inward surface 704e also includes an upper protrusion 706 extending from it. The upper protrusion 706 can also be described as an inwardly protruding carrier surface portion 706, because it projects inward toward the longitudinal axis 718 of the wear member 104 and the cavity 702. The upper inwardly protruding carrier surface portion 706 is sized and shaped to match the concave carrier surface portion 210 of the nose 203. Similarly, the cavity comprises a lower inward surface 704 g designed to match the downward surface 204 g of the nose 203. The lower inward surface 704 g also includes an inward overhanging carrier surface portion 707. The cavity also includes other surfaces sublimating to the surfaces 202, 204 of the nose 203. The inwardly supported surface portions 706, 707 are convex and are arranged to support a load applied in the vertical direction at the tip portion.

The protrusions 706, 707 may be centrally located on their respective surfaces 704e, 704g. Therefore, the protrusions 706, 707 can be localized by the flat portion of the surface 704e, 704g. Additionally, the protrusions 706, 707 can be offset from each other if the corresponding supported surface portions 210, 213 of the nose 203 are offset from each other. Both the upper protrusion 706 and the lower protrusion 706 can form a cross-sectional arc with a tangent at the tilt angle. In some embodiments, there may be only one protrusion 706 on the upper surface 704 and only one protrusion 707 on the lower surface 704g. However, in some embodiments, there may be additional protrusions on each surface 704e, 704g.

In this embodiment, the surface of the protrusions 706, 707 can act as a carrier surface that abuts on the carrier surface portions 210, 213 of the adapter nose 203. Therefore, an interference specific structure comprising protrusions 706, 707 and supported surface portions 210, 213 may provide additional support for loads in various directions. Moreover, due to their curvaceous nature, each protrusion and each recess provides lateral stability and acts as a vertical carrier surface.

The cavity 702 may also include a hole 725 that aligns with the hole 206 when the wear member 104 is placed on the adapter 102. According to such alignment, the retaining pin can be inserted through it. In some embodiments, the wear member 104 may include a single hole on one side of the cavity, and in some embodiments, the wear member 104 has two holes, one on each side of the cavity 702. May include.

Cavity 702 also includes inward twist control surfaces 727a, 727c. FIG. 10 shows twist control surfaces 727b, 727d. The inward twist control surfaces 727a, 727b, 727c, 727d are sized and shaped to abut and match the outward twist control specific structures 230a, 230b, 230c, 230d of the adapter nose.

8 and 9 are lateral sectional views of the tooth portion provided with the protruding portion. FIG. 8 shows the vertically spaced inner walls 704e, 704g corresponding to the wall portions 204e, 204g of the nose 203. FIG. 8 also shows the horizontally spaced and opposed inner walls 704f, 804h that correspond to the walls 204f, 204h of the nose 203. FIG. 8 also shows the laterally angled inward wall portions 704a, 704b, 704c, 704d corresponding to the outward laterally angled wall portions 204a, 204b, 204c, 204d of the nose 203. ing.

FIG. 10 is a rear view of the tooth portion as seen into the cavity 702. When viewed inside the cavity, the surfaces 721a, 721b, 721c, 721d, 721e, 721f, 721g, 721h of the front portion 720 of the cavity 702 can be visually recognized. Additionally, the surfaces 723a, 723b, 723c, 723d, 723e, 723f, 723g, 723h of the intermediate portion 724 of the cavity 702 can also be visible. In addition, surfaces 704a, 704b, 704c, 704d, 704e, 704g, as well as protrusions 706, 707 may be visible.

The concave carrier surface portions 210, 213 and protrusions 706, 707 are substantially elliptical in shape, but some embodiments may have support surface portions and protrusions shaped into polygons. .. In some embodiments, each supported surface portion may be placed on a side surface near or adjacent to holes 206, 711 into which the anchoring pin is inserted. Since the protrusions 706 and 707 are sized and shaped to match the dimensions and shape of the concave carrier surface portion, one description applies equally to the other.

A recess on the adapter 102 and a protrusion on the inner surface of the wear member 104 have been described, but some embodiments deploy a protrusion on the adapter 102 and a recess on the wear member 104. It should be noted that they are arranged in reverse as much as possible.

The present disclosure also relates to a wear member assembly that bites into the ground, including an adapter nose that can be secured to the lips and teeth of the bucket. The nose includes an angled carrier surface disposed to be received within the cavity of the tooth. The cavity comprises a carrier surface that corresponds to and engages with each carrier surface of the nose. According to some embodiments, the adapter nose may include an anterior portion at the end of the nose and a posterior portion at the proximal end of the nose. The posterior portion may include eight substantially flat surfaces that converge towards the longitudinal axis of the nose. The anterior portion may also include eight substantially flat surfaces that point towards the longitudinal axis of the nose, but converge at a shallower angle. Therefore, in some embodiments, both the anterior and posterior portions have a substantially octagonal cross section. In some embodiments, in the posterior portion, each horizontal and vertical surface of the octagonal cross section can be a non-supported surface and also angled (eg, non-horizontal and non-vertical surfaces). The surface can be a supported surface. In the front portion, each angled surface can also be a supported surface.

FIG. 11A is an exploded perspective view of the wear member assembly 10 that bites into the ground. According to this embodiment, the wear member assembly 10 includes a nose 1100 and a wear member 1200. A typical embodiment of the wear member 1200 is a tooth portion 1200. In another embodiment, the wear member 1200 is an intermediate adapter. Other wear members are intended. The nose 1100 includes an anterior portion 1124 and a posterior portion 1122. In the embodiments shown, the nose 1100 is the basic structure shown as a block, provided that the nose, such as a bucket receiving portion with bifurcated adapter legs, similar to the adapter 102 in FIG. It extends from the basic structure of representing any additional mounting structure that supports. In some embodiments, the nose is stickable to the bucket lip of the excavator. The nose may form part of an adapter or intermediate adapter and may also be referred to herein as a support structure, as it is an additional component that is a tooth portion 1200 in this embodiment. This is because it provides stabilization support for. The nose 1100 also includes a hole 12 that receives the tether pin. In this embodiment, the nose includes a twist control specific structure 18. The tooth portion 1200 also includes a hole 14 through which the retaining pin can be inserted. Since a large number of known anchoring pins can be adopted here, the details of the anchoring pins are not included. The tooth portion 1200 also includes a backward cavity (not shown in FIG. 11A) and a ground biting end as the tip 16. Axis 1105 extends through the wear member assembly 10.

FIG. 11B shows an overview of the nose 1100 as viewed along the longitudinal axis 1105 of the nose 1100. FIG. 11C shows a side view of the nose 1100 as viewed along the lateral axis 1107. The lateral axis 1107 is aligned in a position that extends parallel to the edge of the lip of the bucket (not shown). As mentioned above, the nose 1100 can be affixed to the lip of the bucket and also includes an anterior portion 1124 and a posterior portion 1122. The posterior portion 1122 contains a group of eight substantially flat surfaces. In particular, the group includes a subset with a top surface 1108a and a bottom surface 1108b, a subset of two side surfaces 1106a, 1106b, and a subset of four angled surfaces 1110a, 1110b, 1110c, 1110d. .. The top and bottom surfaces can be referred to as horizontal surfaces, and each side surface can be referred to as a vertical surface, because such surfaces have horizontal and vertical cross sections. The four angled surfaces 1110a, 1110b, 1110c, 1110d can be supported surfaces arranged to contact and cooperate with each surface of the tooth portion 1200. Since each carrier surface is angled, each carrier surface can withstand both horizontal and vertical loads. Each angled surface can also be referred to as a diagonal or sloping surface. Both the horizontal surfaces 1108a, 1108b and the vertical surfaces 1106a, 1106b can be unsupported surfaces.

In this exemplary embodiment, each of the 8 substantially flat surfaces converges towards the longitudinal axis 1105 of the nose 1100. In some embodiments, the angles of the eight substantially flat surfaces with respect to the longitudinal axis 1105 can be in the range of about 5-25 °. In some embodiments, the angle can be in the range of about 8-15 °. Other ranges are also planned. In this embodiment, the top and bottom surfaces 1108a, 1108b can be wider than the side surfaces 1106a, 1106b. Therefore, the octagonal cross section may differ in height 1134 and width 1132. This supports twist control and stability.

In the exemplary embodiments shown, the anterior portion 1124 also comprises a group of eight substantially flat surfaces. In particular, the group includes a subset with a top surface 1114a and a bottom surface 1114b, a subset of two side surfaces 1112a, 1112b, and a subset of four angled supported surfaces 1116a, 1116b, 1116c, 1116d. include. The four angled surfaces 1116a, 1116b, 1116c, 1116d can be supported surfaces arranged to contact and cooperate with each surface of the tooth portion 1200. Since each carrier surface is angled, each carrier surface can withstand both horizontal and vertical loads. The top and bottom surfaces 1114a, 1114b can also be non-supported surfaces. In some embodiments, the side surfaces 1112a, 1112b can be supported surfaces. However, in some embodiments, the side surfaces 1112a, 1112b can be non-supported surfaces. In some embodiments, each unsupported surface of the anterior portion 1124 or the posterior portion 1122 may not be substantially flat.

In some embodiments, each of the eight substantially flat surfaces of the anterior portion 1124 is shallower than the angle at which the eight substantially flat surfaces of the posterior portion 1122 converge towards the longitudinal axis 1105. Converges toward the longitudinal axis 1105 of the nose 1100. In some embodiments, the angles of the eight substantially flat surfaces of the anterior portion 1124 with respect to the longitudinal axis 1105 can be in the range of about 0-15 °. In some embodiments, the angle can be in the range of about 1-8 °. Additionally, the top and bottom surfaces 1114a, 1114b can be wider than the side surfaces 1112a, 1112b. Therefore, the octagonal cross section differs in height 1134 and width 1132. This also supports stability and twist control. In some embodiments, the ratio of the width of the top or bottom surface to the width of the side surface in the anterior portion 1124 is different from that in the posterior portion 1122. For example, the ratio of the width of the top or bottom surface to the width of the side surface in the anterior portion 1124 can be greater than in the posterior portion 1122.

FIG. 12A shows an overview of the tooth portion 1200 as viewed into the cavity 1205. FIG. 12B is a cross-sectional view of the tooth portion 1200 along the longitudinal axis 1105 broken along the line 12B-12B in FIG. 12A. The cavity 1205 is formed at the rear end portion 1209 of the tooth portion 1200 and extends inward in the longitudinal direction from the rear end portion 1204. Cavity 1205 has a plurality of supported surfaces that are contact-bonded corresponding to each supported surface of the nose 1100. It also has a reference longitudinal axis 1105 and a lateral axis 1107. Cavity 1205 also includes the anterior portion 1224 and the posterior portion 1222. The posterior portion 1222 contains a group of eight substantially flat surfaces. Thus, in this exemplary embodiment, the group of substantially flat surfaces has a subset with a top surface 1208a and a bottom surface 1208b, a subset of two side surfaces 1206a, 1206b, and four angles. Includes subsets of surfaces 1210a, 1210b, 1210c, 1210d. The four angled surfaces 1210a, 1210b, 1210c, 1210d can be supported surfaces. Since each carrier surface is angled, each carrier surface can withstand both horizontal and vertical loads that can be applied to the tooth 1200 during use. Both the top and bottom surfaces 1208a, 1208b and the side surfaces 1206a, 1206b can be unsupported surfaces. In some embodiments, each non-supported surface may not be substantially flat. For example, each non-supported surface can be curved.

The anterior portion 1224 also contains eight substantially flat surfaces of the anterior group. In particular, the anterior group includes a subset with a top surface 1214a and a bottom surface 1214b, a subset of two side surfaces 1212a, 1212b, and a subset of four angled surfaces 1216a, 1216b, 1216c, 1216d. include. The four angled surfaces 1216a, 1216b, 1216c, 1216d can be supported surfaces. Again, each carrier surface is angled so that each carrier surface can withstand both horizontal and vertical loads. The horizontal surfaces 1214a, 1214b can also be non-supported surfaces. In some embodiments, the vertical surfaces 1212a, 1212b can be supported surfaces. However, in some embodiments, the vertical surfaces 1212a, 1212b can be non-supported surfaces.

Next, referring to FIG. 11C, the nose 1100 includes a posterior surface 1101 and an anterior octagonal contact surface 1118. The front abutment surface 1118 may have an octagonal shape. The anterior abutment surface 1118 can be a mating surface because it is designed to contact the anterior abutment surface 1218 of the cavity 1205 (shown in FIGS. 12A and 12B). The anterior contact surface 1218 of the cavity 1205 can also have an octagonal shape. The posterior surface 1201 at the posterior end 1109 of the tooth portion 1200 may or may not be in contact with the posterior surface 1101 of the nose 1100.

In some embodiments, the nose 1100 and the tooth 1200 can be symmetrically designed so that the tooth can be rotated 180 ° and still be properly fitted onto the tooth. This allows the tooth portion 1200 to be flipped after a period of wear. The tooth portion 1200 can then continue to be used in the inverted position. This extends the life of the tooth portion 1200.

FIG. 13 is a perspective view of the nose 1100. Substantially flat surfaces 1106a, 1106b, 1108a, 1108b, 1110a, 1110b, 1110c, 1110d, 1112a, 1112b, 1114a, 1114b, 1116a, 1116b, 1116c, 1116d, as well as both the anterior portion 1124 and the posterior portion 1122. However, it may have a curved surface located between each flat surface. In embodiments with the posterior surface 1101, the nose 1100 extends from the posterior surface 1101 to the eight substantially flat surfaces 1106a, 1106b, 1108a, 1108b, 1110a, 1110b, 1110c, 1110d of the posterior portion 1122. Each surface 1302 disposed between and transitioning may be included. The nose 1100 also has flat surfaces 1106a, 1106b, 1108a, 1108b, 1110a, 1110b, 1110c, 1110d, 1112a, 1112b, 1114a, 1114b, 1116a, 1116b, 1116c, 1116c on both the anterior portion 1124 and the posterior portion 1122. Long curved surfaces 1304 between each adjacent edge may also be included. The nose 1100 may also include a curved surface 1306 located between the flat surfaces 1106a, 1106b, 1108a, 1108b, 1110a, 1110b, 1110c, 1110d of the posterior portion 1122 and each flat surface of the anterior portion 1124. The nose 1100 may also include a curved surface 1308 located between the anterior abutment surface 1118 and the flat surfaces 1112a, 1112b, 1114a, 1114b, 1116a, 1116b, 1116c, 1116d of the anterior portion 1124. In some embodiments, these curved surfaces can be fillets or circular portions intended to minimize positional stress during use. Each curved surface can also help provide clearance for the wear member's cavity.

In some embodiments, the cross-sectional width W1 of the top and bottom unsupported surfaces 1108a, 1108b at the end 1307 of the rear portion 1122 is different from the cross-sectional width W3 at the base end 1305 of the rear portion 1122. For example, the cross-sectional width W1 of the top and bottom non-supported surfaces 1108a, 1108b at the end 1307 of the rear portion 1122 can be smaller than the cross-sectional width W3 at the base end 1305 of the rear portion 1122 and vice versa. be. Further, the cross-sectional width W2 of the supported surfaces 1110a, 1110b, 1110c, 1110d at the terminal 1307 of the posterior portion 1122 can be different from the cross-sectional width W4 at the proximal end 1305. For example, the cross-sectional width W2 of the supported surfaces 1110a, 1110b, 1110c, 1110d at the end 1307 of the posterior portion 1122 can be smaller than the cross-sectional width W4 at the base end 1305 and vice versa. Further, the cross-sectional width W1 of the top and bottom surfaces 1108a, 1108b at the end 1307 of the rear portion 1122 may differ from the cross-sectional width W2 of the supported surfaces 1110a, 1110b, 1110c, 1110d at the end 1307 of the rear portion 1122. For example, the cross-sectional width W1 of the top and bottom surfaces 1108a, 1108b at the end 1307 of the rear portion 1122 is smaller than the cross-sectional width W2 of the supported surfaces 1110a, 1110b, 1110c, 1110d at the end 1307 of the rear portion 1122. The same is true for the gain and vice versa. Further, the cross-sectional width W3 of the top and bottom surfaces 1108a, 1108b at the base end 1305 of the rear portion 1122 may differ from the cross-sectional width W4 of the supported surfaces 1110a, 1110b, 1110c, 1110d at the base end 1305 of the rear portion 1122. For example, the cross-sectional width W3 of the top and bottom surfaces 1108a, 1108b at the base end 1305 of the rear portion 1122 is larger than the cross-sectional width W4 of the supported surfaces 1110a, 1110b, 1110c, 1110d at the base end 1305 of the rear portion 1122. And vice versa.

FIG. 14A shows an overview of a representative adapter nose 1400 with twist control specific structures 1402a, 1402b, 1402c, 1402d that resist the twisting motion of the wear member 1200 with respect to the nose 1100. FIG. 14B shows a side view of the adapter nose 1400 with a twist control specific structure. FIG. 14C is a perspective view of the adapter nose 1400 with a twist control specific structure. FIG. 14D is a plan view of the adapter nose 1400 with twist control. In the exemplary embodiments shown, the adapter nose 1400 comprises the angled carrier surfaces described with respect to FIGS. 11A, 11B, 11C and 13. For convenience, these supported surfaces are not described again with respect to FIGS. 14A, 14B, 14C and 14D. Twist control specific structures 1402a, 1402b, 1402c, 1402d consist of protrusions extending from the nose 1400. Each of the twist control specific structures includes a vertical, flat outward facing surface 1404a, 1404b, 1404c, 1404d. Twist control specific structures 1402a, 1402b, 1402c, 1402d are located near the rear end of the adapter nose 1400. The twist control specific structures 1402a, 1402b, 1402c, 1402d are also positioned so that the vertical surfaces 1404a, 1404b, 1404c, 1404d intersect the angled carrier surfaces 1110a, 1110b, 1110c, 1110d with a nose 1400. As shown in FIG. 14D, the vertical surfaces 1404a, 1402b, 1402c, 1404d are tapered towards the longitudinal axis. This allows the tooth portion 1200 to be more easily removed from the nose 1100.

The twist control specific structures 1402a, 1402b, 1402c, 1402d are housed within the boundaries created by the flat surfaces 1108a and 1108b, as optimally seen in the side view of FIG. 14B. In the preferred embodiments shown, the adapter nose 1400 comprises twist control specific structures 1402a, 1402b disposed on the upper portion and twist control specific structures 1402c, 1402d disposed on the lower portion. .. In some embodiments, the adapter nose 1400 comprises a twist control specific structure in only one of the upper or lower portions. Similarly, in the embodiments shown, the twist control specific structures 1402a, 1402b are shown aligned perpendicular to the twist control specific structures 1402c, 1402d. In some embodiments, each twist control specific structure is not vertically aligned.

FIG. 15 shows a tooth portion 1500 with a cavity 1505 designed to fit into an adapter nose such as an adapter nose 1400 with a twist control specific structure such as twist control specific structures 1402a, 1402b, 1402c, 1402d. It is a schematic diagram. Cavity 1505 may include a predetermined number of pockets 1502a, 1502b, 1502c, 1502d. Pockets 1502a, 1502b, 1502c, 1502d can be designed to accommodate the twist control specific structures 1402a, 1402b, 1402c, 1402d of the adapter nose 1400. In the exemplary embodiments shown, pockets 1502a, 1502b, 1502c, 1502d are vertical, flat, inward facing surfaces 1504a, 1504b, 1504c, 1504d corresponding to the vertical surfaces 1404a, 1404b, 1404c, 1404d of the adapter nose 1400. including. Therefore, the vertical surfaces 1404a, 1404b, 1404c, 1404d of the nose 1400 engage and engage the vertical surfaces 1504a, 1504b, 1504c, 1504d of the tooth 1500 to resist the twist between the nose 1400 and the tooth 1500. Designed for contact coupling. The tooth portion 1500 may have a flat support surface that is contact-bonded to each flat support surface of the adapter nose 1400, as shown with respect to FIGS. 12A and 12B.

FIG. 16A shows a cross section of the adapter nose 1100 that is orthogonal to the longitudinal axis (eg, 1105 of FIG. 11B) in the assembled state. Therefore, FIG. 16A also shows a cross section of the tooth portion 1200. As shown, the angled carrier surfaces 1110a, 1110b, 1110c, 1110d of the nose 1100 abut and match the angled carrier surfaces 1210a, 1210b, 1210c, 1210d of the tooth portion 1200. These angled carrier surfaces minimize or prevent both vertical and lateral movement of the tooth 1200 with respect to the adapter nose 1100. In some embodiments, there may be a gap between the horizontal non-supported surfaces 1108a, 1108b of the nose and the horizontal non-supported surfaces 1208a, 1208b of the tooth portion 1200. Similarly, there may be a gap between the vertical non-supported surfaces 1106a, 1106b of the nose and the vertical non-supported surfaces 1206a, 1206b of the tooth portion 1200. However, in some embodiments, the unsupported surfaces of both the nose 1100 and the tooth 1200 may come into contact when the tooth 1200 is fitted to the nose. Due to each angled carrier surface, both vertical and lateral motion can be minimized.

FIG. 16B shows a cross section orthogonal to the longitudinal axis of the adapter nose 1400 with a twist control specific structure. As mentioned above, the vertical surfaces 1404a, 1404b, 1404c, 1404d of the nose 1400 abut and match the vertical surfaces 1504a, 1504b, 1504c, 1504d of the tooth 1500. Therefore, the twist control specific structures 1402a, 1402b, 1402c, 1402d are arranged to resist the twisting motion and twisting between the nose 1400 and the tooth 1500. This may help stabilize the tooth 1500 on the adapter nose 1400 during use.

FIG. 16C shows a cross section of the anterior portion of the adapter nose 1100. FIG. 16C also shows a cross section of the tooth portion 1200. As shown, the angled carrier surfaces 1116a, 1116b, 1116c, 1116d of the nose 1100 abut and match the angled carrier surfaces 1216a, 1216b, 1216c, 1216d of the tooth portion 1200. In some embodiments, there may be a gap between the horizontal non-supported surfaces 1114a, 1114b of the nose and the horizontal non-supported surfaces 1214a, 1214b of the tooth portion 1200. In this embodiment, since the vertical surfaces 1112a and 1112b of the nose 1100 and the vertical surfaces 1212a and 1212b of the tooth portion 1200 are supported surfaces, there is no gap between them. However, in some embodiments, there may be a gap between the vertical surfaces 1112a, 1112b of the nose 1100 and the vertical surfaces 1212a, 1212b of the tooth portion 1200. In this exemplary embodiment, the angled carrier surfaces 1116c and 1116d are adjacent to the bottom surface 1114b of the adapter nose 1100, but part of it does not form. This angled design aspect can extend the useful life of the adapter nose 1100 in some cases. During use, it is not uncommon for the operator to wear the bottom of the tooth and accidentally expose and wear the bottom surface of the Adapter Nose 1100. Such can adversely affect the stability of the subsequent teeth placed on the adapter nose in a training system that utilizes the bottom surface of the adapter nose as a supported surface. The worn carrier surface introduces oscillation, further accelerating wear and potentially permanently damaging the adapter nose. However, the exemplary embodiments disclosed herein include a supported surface on an angled bottom surface rather than on a horizontal bottom surface. Therefore, even if the operator inadvertently wears a portion of the bottom surface of the adapter nose, each angled bearing surface will still provide stability to the teeth in both the horizontal and vertical directions. Can be provided. This can extend the useful life of the adapter nose, because the teeth can be adequately supported even by the worn bottom surface of the adapter nose.

FIG. 16D shows a cross section of an adapter nose 1450 with an offset twist control specific structure. For example, surface 1454a is offset from surface 1454c. Similarly, surface 1454b is offset from surface 1454d. The tooth portion 1550 includes the corresponding surfaces 1554a, 1554b, 1554c, 1554d. Each offset is such that the tooth 1550 can still be inverted and inverted and fitted to the nose 1450. In other words, the teeth are engageable with the adapter nose 1450 at two rotational positions.

Although described as having eight flat surfaces, some embodiments of the adapter nose and teeth described herein have four angled flat surfaces and less than four flat surfaces. Includes vertical or horizontal surfaces. In some embodiments, the adapter nose and teeth described herein include a round or arcuate outer surface connecting two adjacent flat angled surfaces. For example, some embodiments do not include vertical sides and include rounded portions connecting adjacent surfaces 106a and 1106b. In these embodiments, the surfaces 1106a and 1106b can be replaced by a round surface connecting the flat supported surfaces 1110a and 1110c. The teeth can be formed to match. In some embodiments, the adapter nose may be formed with eight flat surfaces, whereas the tooth cavity, such as cavity 1205, may be formed with only six flat surfaces. In some embodiments, the vertical surfaces 1206a and 1206b described herein can be rounded, while the cavity 1205 still engages and fits the flat angled carrier surface of the above adapter nose. Can be formed to be.

US Provisional Patent Application No. 62 / 441,756, filed January 3, 2017, entitled "Connector with Tightening Spring for Wearing Member Assembly that Bites into the Ground," and May 12, 2016. US Provisional Patent Application No. 62 / 335,424, which was submitted to and referred to as "fasteners for wear member assemblies", is incorporated herein by reference in its entirety.

Those skilled in the art will appreciate that the embodiments included in this disclosure are not limited to the particular representative embodiments described above. In that regard, representative embodiments have been shown and described, but in the above disclosures, extensive modifications, modifications, combinations, and substitutions are contemplated. It is understood that such changes may be made to the above without departing from the scope of this disclosure. Therefore, it is appropriate that each of the attached claims be construed extensively and in a manner consistent with the content of the present disclosure.
Further, the first aspect of the present invention is in a nose that can be attached to the lip of the bucket.
The posterior portion having eight surfaces of the first group towards the end of the posterior portion and converging towards the longitudinal axis of the nose, the substantially flat surface of the first group.
The surface of the first subset with top and bottom surfaces,
A second subset with each side surface,
A surface of a third subset comprising each supported surface, angled and located between the surface of the first subset and the surface of the second subset of the third subset. The rear part, which consists of a surface,
Anterior portion located anterior to the posterior portion, the anterior portion having eight surfaces of a second group towards the end of the anterior portion and converging towards the longitudinal axis of the nose. , The surface of the second group is
A fourth subset with top and bottom surfaces,
A fifth subset with each side surface,
A surface of a sixth subset comprising each supported surface, angled and located between the surface of the first subset and the surface of the second subset of the sixth subset. With a nose, with a surface, with a front part,
A wear member having a cavity that opens toward the rear end, wherein the cavity comprises a rear and front support surface corresponding to the surface of the third subset and the surface of the sixth subset. , A wear member assembly comprising a wear member.
A second aspect of the invention is the wear member assembly of the first aspect, wherein the surface of the third subset and the surface of the sixth set are arranged to withstand horizontal and vertical loads.
A third aspect of the invention is the wear member assembly of the first aspect, further comprising a forward octagonal abutment surface at the end of the nose.
A fourth aspect of the present invention is the wear member assembly of the first aspect, wherein the surface of the first subset is longer than the surface of the second subset in a direction orthogonal to the longitudinal axis. be.
A fifth aspect of the present invention is the wear member assembly according to the first aspect, wherein the surface of the fourth subset is longer than the surface of the second subset in a direction orthogonal to the longitudinal axis. be.
A sixth aspect of the invention is the wear member assembly of the first aspect, further comprising a group of four protrusions extending from the surface of the third subset.
A seventh aspect of the invention is the wear member assembly of the sixth aspect, wherein the protrusion has an outward vertical surface arranged to resist the torsional motion of the wear member.
An eighth aspect of the invention is the wear member assembly of the sixth aspect, in which each of the protrusions is aligned with each other.
A ninth aspect of the invention is that two of the protrusions are offset from the other two protrusions so that the wear member is engageable with the nose at two rotational positions. The wear member assembly according to the sixth aspect.
A tenth aspect of the present invention is the wear member assembly of the first aspect, further comprising a curved surface located between each of the surfaces on the surface of the first group.
An eleventh aspect of the present invention is the wear member assembly of the first aspect, wherein the eight surfaces of the second group have a shallower angle with respect to the longitudinal axis than the eight surfaces of the first group. ..
A twelfth aspect of the present invention is a nose having an anterior portion and a posterior portion, wherein the posterior portion has eight surfaces in an octagonal configuration, and each of the surfaces of the posterior portion is posterior. Converging towards the longitudinal axis of the nose at the ends of the side portions, the anterior portion has eight substantially flat surfaces, each of the surfaces of the anterior portion being said longitudinal at the end of the anterior portion. Converging towards the axis, both horizontal and vertical surfaces of the posterior portion are unsupported surfaces, with a nose and
A wear member having an end for biting into the ground and a base end having a cavity, wherein the cavity is an anterior and posterior portion with surfaces corresponding to the anterior and posterior portions of the nose. With wear members and
A wear member assembly comprising.
A twelfth aspect of the present invention is a twelfth aspect in which the angled surfaces of both the posterior and anterior portions of the nose are supported surfaces arranged to withstand horizontal and vertical loads. The wear member assembly in.
A fourteenth aspect of the present invention is the wear member assembly of the twelfth aspect, wherein the edges between the surfaces of both the posterior portion and the anterior portion are obliquely formed.
A fifteenth aspect of the invention is the wear member assembly of the twelfth aspect, further comprising a group of four protrusions extending from each angled surface of the posterior portion.
A sixteenth aspect of the present invention is the wear member assembly of the fifteenth aspect, wherein each of the protrusions has an outward side surface arranged to resist the twisting motion of the wear member.
A seventeenth aspect of the invention is the wear member assembly of the fifteenth aspect, in which each of the protrusions is aligned with each other.
An eighteenth aspect of the present invention is the wear member assembly of the fifteenth aspect, further comprising a curved surface located between the anterior portion and the posterior portion.
A nineteenth aspect of the present invention is a cavity.
A posterior portion with eight surfaces of the first group that converges towards the end and toward the longitudinal axis at the first average angle, the eight surfaces of the first group.
Top and bottom surfaces and
A group of side surfaces and
A posterior portion comprising a group of angled surfaces comprising a supporting surface, and a rear portion.
An anterior portion located in front of the posterior portion, the anterior portion having eight surfaces of the second group, which is directed toward the longitudinal axis and converges at a second average angle smaller than the first average angle. ,
A wear member comprising a cavity having a group of pockets, at least partially located along each of the diagonal surfaces, having an inward vertical surface and a group of pockets.
A twentieth aspect of the present invention is the wear member according to the nineteenth aspect, wherein the ratio of the width to the height of the cross section of the rear portion is smaller than the ratio of the width to the height of the cross section of the front portion.
A twenty-first aspect of the present invention is the wear member of the nineteenth aspect, wherein the anterior portion comprises four angled carrier surfaces.
The 22nd aspect of the present invention is an adapter nose.
A rear portion having a cross-sectional width and a cross-sectional height, wherein the cross-sectional width is different from the cross-sectional height, and the rear portion has two non-supported surfaces and four substantially flat supported surfaces. The two non-supported surfaces have a substantially horizontal cross section and the four substantially flat supported surfaces have an inclined cross section.
The first two surfaces of the four substantially flat supported surfaces are disposed on the first lateral side of the two non-supported surfaces and are the four substantially flat supported surfaces. The second two surfaces thereof are disposed on the second lateral side of the two substantially flat non-supported surfaces, and at the end of the posterior portion, either of the two non-supported surfaces. One cross-sectional width is a wear member assembly comprising an adapter nose with a posterior portion that differs from the cross-sectional width of any of the four substantially supported surfaces.
A 23rd aspect of the present invention comprises the adapter nose comprising a front portion extending forward from the rear portion and having a cross-sectional width and a cross-sectional height, wherein the cross-sectional width of the front side portion is the cross-sectional width. Unlike the cross-sectional height of the anterior portion, the anterior portion has a front abutment surface and two non-supported surfaces and four substantially flat supported surfaces, the two non-supported surfaces having a cross section. Is substantially horizontal and the four substantially flat supported surfaces have a slanted cross section.
At the end of the anterior portion, the cross-sectional width of any one of the two non-supported surfaces is different from the cross-sectional width of any surface among the four substantially supported surfaces, the wear member in the 22nd aspect. It is an assembly.
A twenty-fourth aspect of the invention is the wear member assembly of the twenty-second aspect, wherein the posterior portion comprises two additional surfaces forming a substantially vertical side surface.
A 25th aspect of the present invention is a cavity having a rear side portion and a front side portion, wherein the rear side portion has a cross-sectional width and a cross-sectional height, and the cross-sectional width is different from the cross-sectional height. The cavity has two non-supported surfaces and four substantially flat supported surfaces, the two non-supported surfaces having a substantially horizontal cross section, and the four substantially flat supported surfaces. The cross section is inclined,
The first two surfaces of the four substantially flat supported surfaces are disposed on the first lateral side of the two non-supported surfaces and the four substantially flat supported surfaces. The second two surfaces of the surface are disposed on the second lateral side of the two unsupported surfaces, and at the end of the posterior portion, one of the two unsupported surfaces. The cross-sectional width is a wear member comprising a cavity that is different from the cross-sectional width of any of the four substantially flat supported surfaces.
In the 26th aspect of the present invention, the front side portion of the cavity extends forward from the rear side portion and has a cross-sectional width and a cross-sectional height, and the cross-sectional width of the front side portion is the front side. Unlike the cross-sectional height of the portion, the anterior portion has a front abutment surface and two non-supported surfaces and four substantially flat supported surfaces, the two non-supported surfaces having a cross section. The four substantially flat supporting surfaces, which are substantially horizontal and have an inclined cross section, have an inclined cross section.
25th embodiment, wherein at the end of the anterior portion, the cross-sectional width of any one of the two unsupported surfaces differs from the cross-sectional width of any surface among the four substantially flat supported surfaces. It is a wear member.
A twenty-seventh aspect of the invention is the wear member of the twenty-fifth aspect, wherein the posterior portion of the cavity comprises two additional non-supporting side surfaces.
A 28th aspect of the present invention is a hollow ground biting wear member that can be attached to a support structure.
The wear member comprises a tip that is disposed to bite into the ground and a rear end that has a cavity formed within itself, the cavity having an inner surface and a longitudinally extending axis. The cavity has an anterior portion as well as a posterior portion adjacent to the posterior end.
The inner side surface has horizontal separated and opposed inner walls, and the inner side surface has vertically separated and opposed inner walls forming an upper inner side surface and a lower inner side surface.
The upper inner surface and the lower inner surface each have a centrally disposed inwardly projecting inwardly projecting carrier surface portion arranged to provide a carrier match for the support structure and each inward. The protruding carrier surface portion is disposed within the posterior portion of the cavity, and the inwardly projected supported surface portion has a lateral width smaller than the vertical length and is of the support structure. Receivable within the recess, the inwardly projecting carrier surface portion is arranged to support a vertically applied load at the tip.
It is a wear member.
A 29th aspect of the present invention is the wear member according to the 28th aspect, wherein each protrusion-supported surface portion forms a cross-sectional arc having a tangent at an inclination angle.
A thirtieth aspect of the present invention is the wear member according to the twenty-eighth aspect, wherein the upper inner side surface and the lower inner side surface each have a single supported surface portion that is centrally arranged and protrudes inward. ..
A thirty-first aspect of the present invention is a wear member according to a twenty-eighth aspect, further comprising a pair of holes arranged to receive a retaining pin in each of the horizontally spaced and opposed inner walls. Is.
In a thirty-second aspect of the present invention, the inwardly projecting carrier surface of the upper inner surface and the inwardly projecting carrier surface of the lower inner surface are at least partially located behind the pair of holes. , The wear member according to the thirty-first aspect.
A 33rd aspect of the present invention is the wear in the 28th aspect, wherein the inwardly projecting carrier surface of the upper inner surface is longitudinally aligned with the inwardly projecting carrier surface of the lower inner surface. It is a member.
A thirty-fourth aspect of the present invention is the wear in the twenty-eighth aspect, wherein the inwardly projecting carrier surface of the upper inner surface is offset longitudinally with respect to the inwardly projecting carrier surface of the lower inner surface. It is a member.
A 35th aspect of the present invention is the wear member according to the 28th aspect, wherein each inwardly projecting supporting surface has a substantially elliptical shape.
A thirty-sixth aspect of the present invention is the wear according to the twenty-eighth aspect, wherein the lateral width of the inwardly projecting supporting surface of the upper inner surface is in the range of about 60 to 80% of the width of the upper inner surface. It is a member.
In the 37th aspect of the present invention, the longitudinal length of the inwardly projecting carrier surface of the upper inner surface is about 1 to 50% of the lateral width of the inwardly projecting carrier surface of the upper inner surface. It is a wear member in the 28th aspect, which is large within the range of.
A 38th aspect of the present invention comprises the cavity including an anterior portion, an intermediate portion, and a posterior portion.
The inwardly protruding carrier surface portion is a wear member according to a 28th aspect, which spans the intersection of the intermediate portion and the rear side portion.
A 39th aspect of the present invention is a support structure arranged to receive a wear member, and the support structure is a support structure.
A nose arranged to receive the cavity of the wear member.
An anterior portion with multiple outward surfaces angled at a first angle with respect to the longitudinal axis of the nose, and
A rear portion having two horizontally spaced outward surfaces and two vertically separated outward surfaces including an upper inner surface and a lower inner surface, said horizontally separated. The outward facing surface and the vertically spaced outward facing surface have a rear portion that is angled with respect to the longitudinal axis at a second angle different from the first angle.
The first concave carrier surface located on the upward surface and
It is a support structure having a nose provided with a second concave supporting surface located on the downward surface.
A 40th aspect of the present invention is the support structure according to the 39th aspect, wherein the vertical length of each concave-supported surface is larger than the lateral width of each concave-supported surface.
A 41st aspect of the present invention is the support structure according to the 39th aspect, wherein the lateral width of each concave-supported surface is about 70% of the width of the vertically spaced outward surfaces.
A 42nd aspect of the present invention is a cavity arranged to fit into the nose of the adapter, wherein the cavity is.
An anterior portion with multiple inward surfaces angled at a first angle with respect to the longitudinal axis of the cavity, and
A rear portion having two horizontally spaced inward surfaces and two vertically spaced inward surfaces including an upward surface and a downward surface, said horizontally spaced inward. The surface and the vertically spaced inward surface are angled with respect to the longitudinal axis at a second angle different from the first angle, with a posterior portion.
The first convex carrier surface located on the upward surface and
A wear member comprising a cavity comprising a second convexally supported surface located on the downward surface.
A 43rd aspect of the present invention is the wear member according to the 42nd aspect, wherein the vertical length of each convex-supported surface is larger than the lateral width of each convex-supported surface.
A 44th aspect of the present invention is a hole extending from one of the horizontally separated inward surfaces to the outside of the wear member, which is sized and shaped to receive a retaining pin. It is a wear member according to the 42nd aspect, further comprising a hole to be formed.
The 45th aspect of the present invention is an adapter.
The rear end, which is arranged to secure the adapter to the lip of the bucket,
A front end with a nose, the nose
An upward, substantially flat surface that at least partially localizes the upward concave carrier surface,
An adapter having a front end, comprising a downward substantially flat surface that at least partially localizes the downward concave carrier surface.
It is a wear member
The front end, which is placed to bite into the ground,
The rear end having a cavity, the cavity is
A downward surface on which a first outward protrusion arranged to fit on the upward concave carrier surface extends from itself.
An upward surface on which a second outward protrusion arranged to fit the downward concave carrier surface extends from itself.
A wear member assembly comprising a wear member with a rear end portion comprising:
The 46th aspect of the present invention is that the nose is
A rear portion including the upward substantially flat surface and the downward substantially flat surface both angled at a first angle with respect to the longitudinal axis of the adapter.
The wear member assembly according to a fourth aspect, further comprising a front portion including a plurality of outward surfaces angled with respect to the longitudinal axis at a second angle smaller than the first angle.
In the 47th aspect of the present invention, the cavity is
With respect to the longitudinal axis of the cavity, the posterior portion including the upward surface and the downward surface both angled at a first angle.
The wear member assembly according to a forty-fourth aspect, further comprising a front portion including a plurality of inward surfaces angled with respect to the longitudinal axis at a second angle smaller than the first angle.
A forty-eighth aspect of the invention is an intermediate portion between the anterior portion and the posterior portion, wherein the intermediate portion is at least one unsupported portion angled towards the longitudinal axis of the wear member. The non-supported surface of the intermediate portion having a surface is angled differently from the two non-supported surfaces of the posterior portion and different from the two non-supported surfaces of the front portion. The wear member according to the twenty-fifth aspect, further comprising an intermediate portion, which is angled in such a manner.
A 49th aspect of the present invention is the wear member assembly of the first aspect, wherein the wear member is connectable to the nose in two rotational positions.
A fifty aspect of the present invention is the wear member assembly of the first aspect, wherein the wear member comprises a wear member comprising a recess on the outer surface of the wear member.

10 Wear member assembly that cuts into the ground
12 holes
14 holes
16 Tip
18 Twist control specific structure
100 Wear member assembly that cuts into the ground
102 adapter
104 Tooth / Abrasion member
106 mooring pin
201 Front end
202 Front surface / outward surface
202a Front angled surface
202b Front angled surface
202c Angled surface
202d Angled surface
202e Top surface / horizontal surface
202f vertical surface
202g Bottom surface / horizontal surface
202h vertical surface
203 Adapter nose
204 Outward surface / rear surface
204a Rear angled surface
204b Rear angled surface
204c Outward angled surface
204d Outward angled surface
204e Top surface facing up
204f Vertical surface / side surface
204g Bottom surface / downward surface
204h Vertical / side surface
205 Front part
207 Rear part
209 middle part
210 Concave carrier surface on top
211 Longitudinal axis
212 Rear end
213 Lower concave carrier surface
215 Horizontal axis
216 Outward surface
216b Angled surface
216c Angled surface
216d Angled surface
216e Top surface
216f Bottom facing surface
220 Forward end surface
230a Twist control surface
230b Twist control surface
230c Twist control surface
230d Twist control surface
702 cavity
704 Upper surface
704a Angled inner surface
704b Angled inner surface
704c Angled inner surface
704d Angled inner surface
704e Upper inner surface
704f side surface
704g Lower inner side
704h side surface
706 Upper inwardly protruding carrier surface part
707 Inwardly protruding carrier surface part
708 tip
711 holes
718 Longitudinal axis
720 front part
721a Angled carrier surface
721b Angled carrier surface
721c Angled carrier surface
721d Angled carrier surface
721e Unsupported surface
721f non-supported surface
721g non-supported surface
721h non-supported surface
722 Rear part
723a Angled carrier surface
723b Angled carrier surface
723c Angled carrier surface
723d Angled carrier surface
723e surface
723f surface
724 middle part
727a Inward twist control surface
727b Inward twist control surface
727c Inward twist control surface
727d Inward twist control surface
731 Wear indicator
1100 adapter nose
1105 Longitudinal axis
1106a Side surface / vertical surface
1106b Side surface / vertical surface
1108a Top surface
1108b Bottom surface
1110a Angled carrier surface
1110b Angled carrier surface
1110c Angled carrier surface
1110d Angled carrier surface
1112a Side surface / vertical surface
1112b Side surface / vertical surface
1114a Top surface
1114b Bottom surface
1116a Angled carrier surface
1116b Angled carrier surface
1116c Angled carrier surface
1116d Angled carrier surface
1118 Front octagonal contact surface
1122 rear part
1124 Front part
1132 width
1134 height
1200 Abrasion member / tooth part
1205 cavity
1206a Side surface / vertical surface
1206b Side surface / vertical surface
1208a Top surface
1208b Bottom surface
1210a Angled carrier surface
1210b Angled carrier surface
1210c Angled carrier surface
1210d Angled carrier surface
1212a Side surface / vertical surface
1212b Side surface / vertical surface
1214a Top surface
1214b Bottom surface
1216a Angled carrier surface
1216b Angled carrier surface
1216c Angled carrier surface
1216d Angled carrier surface
1304 Long curved surface
1306 Curved surface
1400 adapter nose
1402a Twist control specific structure
1402b Twist control specific structure
1402a, 1402b, 1402c, 1402d Twist control specific structure
1402c Twist control specific structure
1404d Vertical, flat outward surface / vertical surface
1450 adapter nose
1454a surface
1454b surface
1454c surface
1454d surface
1500 teeth
1502a pocket
1502b pocket
1502c pocket
1502d pocket
1504a Vertical, flat, inward-facing / vertical surface
1504b Vertical, flat, inward-facing / vertical surface
1504c Vertical, flat, inward-facing / vertical surface
1504d Vertical, flat, inward-facing / vertical surface
1505 cavity
1550 tooth

Claims (55)

In the nose that can be attached to the lips of the bucket
A posterior portion having a plurality of surfaces of the first group towards the end of the posterior portion and converging towards the longitudinal axis of the nose, the plurality of surfaces of the first group.
Multiple surfaces of the first subset with top and bottom surfaces , and
With multiple side surfaces of the second subset,
A plurality of surfaces of the third subset, which are angled with respect to the top surface, the bottom surface, and the plurality of side surfaces of the plurality of surfaces of the first group, and the plurality of surfaces of the first subset. And a posterior portion comprising a plurality of surfaces of the third subset, located between the surface and the plurality of surfaces of the second subset.
Anterior portion located anterior to the posterior portion, the anterior portion having a plurality of surfaces of a second group towards the end of the anterior portion and converging towards the longitudinal axis of the nose. , The plurality of surfaces of the second group
A fourth subset with top and bottom surfaces ,
With multiple side surfaces of the fifth subset,
A plurality of surfaces of the sixth subset, angled with respect to the top surface, the bottom surface and the plurality of side surfaces of the plurality of surfaces of the second group, and the plurality of surfaces of the fourth subset. And a front portion comprising a plurality of surfaces of the sixth subset, located between the plurality of surfaces of the fifth subset.
An intermediate portion disposed between the rear portion and the front portion, comprising an intermediate portion having a plurality of surfaces in the cross section different from the front portion and the rear portion in the cross section. It consists of a nose and
A wear member having a cavity that opens toward the rear end, wherein the cavity is a plurality of supported surfaces corresponding to at least some of the plurality of surfaces of the anterior portion and the posterior portion of the nose. A wear member assembly consisting of a wear member and a wear member. The wear member assembly according to claim 1, wherein the surface of the third subset and the surface of the sixth subset can withstand horizontal and vertical loads. The wear member assembly of claim 1, further comprising a forward octagonal abutment surface at the end of the nose. The wear member assembly according to claim 1, wherein the surface of the first subset is longer than the surface of the second subset in a direction orthogonal to the longitudinal axis. The wear member assembly according to claim 1, wherein the surface of the fourth subset is longer than the surface of the second subset in a direction orthogonal to the longitudinal axis. The wear member assembly of claim 1, further comprising a group of four protrusions extending from the surface of the third subset. The wear member assembly according to claim 6, wherein the protrusion has an outward vertical surface arranged to resist the twisting motion of the wear member. The wear member assembly of claim 6, wherein two of the four protrusions are vertically aligned with the other two of the four protrusions . The wear according to claim 6, wherein two of the protrusions are laterally offset from the other two protrusions so that the wear member is engageable with the nose at two rotational positions. Member assembly. The wear member assembly of claim 1, further comprising a curved surface located between each of the surfaces on the surface of the first group. The wear member assembly according to claim 1, wherein the eight surfaces of the second group have a shallower angle with respect to the longitudinal axis than the eight surfaces of the first group. A nose having an anterior portion and a posterior portion, wherein the posterior portion has a plurality of surfaces of the first group, and each of the plurality of surfaces of the first group is said to be at the end of the posterior portion. Converging towards the longitudinal axis of the nose, the anterior portion has multiple surfaces of the second group, each of the surfaces of the second group converges towards the longitudinal axis at the end of the anterior portion. And both horizontal and vertical surfaces of the posterior portion are unsupported surfaces, noses, intermediate portions between the posterior portion and the anterior portion, the anterior portion and the anterior portion in the cross section. A nose, comprising an intermediate portion having a different number of surfaces in the cross section than the posterior portion .
A wear member having an end for biting into the ground and a base end having a cavity, wherein the cavity corresponds to at least a portion of the anterior portion, the intermediate portion or the posterior portion of the nose. With a wear member having front and rear portions provided,
A wear member assembly consisting of. Both the posterior and anterior portions of the nose , angled between the bottom or top surface and their respective side surfaces in cross section, resist horizontal and vertical loads. The wear member assembly according to claim 12, which is a supported surface. 12. The wear member assembly of claim 12, wherein the edges between the surfaces of both the posterior portion and the anterior portion are obliquely formed. 12. The wear member assembly of claim 12, further comprising a group of four protrusions extending from each angled surface of the posterior portion. 15. The wear member assembly of claim 15, wherein each protrusion has an outward side surface that is arranged to resist the twisting motion of the wear member. 25. The wear member assembly of claim 15, wherein two of the four protrusions are vertically aligned with the other two of the four protrusions . 15. The wear member assembly of claim 15, further comprising a curved surface located between the anterior portion and the posterior portion. In the wear member assembly
The wear member assembly
A nose with a longitudinal axis
The nose is
A front portion having a plurality of outward surfaces angled at a first angle with respect to the longitudinal axis of the nose, the plurality of outward surfaces of the front portion having an inclined cross section, and a front portion.
An intermediate portion having a plurality of outward surfaces angled at a second angle different from the first angle with respect to the longitudinal axis of the nose, and the plurality of outward surfaces of the intermediate portion have an inclined cross section. The middle part and
A rear portion having a plurality of outward surfaces angled at a third angle different from the second angle with respect to the longitudinal axis of the nose, and the plurality of outward surfaces of the rear portion have a cross section. Inclined, rear part and
The plurality of outward facing surfaces having an inclined cross section include a nose , which is dimensioned and shaped as a plurality of supported surfaces that abut on the wear member to fit into the nose . A wear member assembly consisting of. The front portion has a front contact surface, two non-supported surfaces and four flat supported surfaces, and at least two of the four flat supported surfaces have an inclined cross section. The wear member assembly according to claim 19. 19. The wear member assembly of claim 19, wherein the rear portion further comprises two side surfaces . In the wear member
The wear member is
Front and rear ends, the rear end having a cavity formed therein, the cavity having a rear portion and a front portion, the cavity having two horizontal surfaces. And has four flat surfaces, said four flat surfaces having a front end and a rear end with an inclined cross section.
The first two surfaces of the four flat surfaces are disposed on the first lateral side of the two horizontal surfaces and within the four flat surfaces. The second two surfaces are disposed on the second lateral side of the two horizontal surfaces.
The wear member is an intermediate portion disposed between the rear side portion and the front side portion, and has a cross section having a number different from the number of a plurality of surfaces in the cross sections of the rear side portion and the front side portion. A wear member comprising an intermediate portion comprising a surface in. The anterior portion of the cavity extends forward from the posterior portion and comprises a cross-sectional width and a cross-sectional height, the cross-sectional width of the anterior portion being different from the cross-sectional height of the anterior portion. The anterior portion has an anterior contact surface as well as two non-supported surfaces and four flat -supported surfaces, the two non-supported surfaces having a horizontal cross section and the four flats. The carrier-supported surface has an inclined cross section, and the support surface comes into contact with the support structure when the wear member is attached to the support structure so as to transmit a load applied to the wear member to the support structure. It is structured so that
22 . Abrasion member. 22. The wear member of claim 22, wherein the rear portion of the cavity comprises two additional non-supporting side surfaces. A hollow ground biting wear member that can be attached to the support structure.
The wear member comprises a tip that is disposed to bite into the ground and a rear end that has a cavity formed within itself, the cavity having an inner surface and a longitudinally extending axis. The cavity has an anterior portion as well as a posterior portion adjacent to the posterior end portion.
The inner surface has respective inner walls separated in the horizontal direction and opposed to each other, and the inner surface is angled with respect to the axis extending in the longitudinal direction and forms an upper inner surface and a lower inner surface. Have each inner wall that is vertically separated and opposed ,
The upper inner surface and the lower inner surface each have a centrally disposed inwardly projecting inwardly projecting surface portion arranged to provide a support match for the support structure and each inwardly projecting surface. The surface portion is disposed within the posterior portion of the cavity, and the inwardly projecting surface portion comprises a lateral width smaller than the longitudinal length and within the recessed portion of the support structure. Acceptable, the inwardly projecting surface portion is arranged to support a vertically applied load at the tip.
The cavity includes an anterior portion, an intermediate portion, and a posterior portion.
The inwardly protruding surface portion is a wear member that hangs over the intersection of the intermediate portion and the rear side portion. The intermediate portion has at least one non-supported surface angled toward the longitudinal axis of the wear member, and the non-supported surface of the intermediate portion has two vertically opposed surfaces of the rear portion. 23. The wear member according to claim 23 , further comprising an intermediate portion that is angled differently from the surface of the front portion and angled differently from the two non-supported surfaces of the front portion. .. The wear member assembly according to claim 1, wherein the wear member can be connected to the nose at two rotational positions. The wear member assembly of claim 1, wherein the wear member comprises a wear indicator comprising a recess on the outer surface of the wear member. The wear member assembly according to claim 1, wherein the plurality of surfaces of the first subset comprises a plurality of supported surfaces. The wear member assembly according to claim 1, wherein the plurality of surfaces of the second subset comprises a plurality of non-supported surfaces. In the wear member assembly
The wear member assembly
An anterior portion having eight surfaces in an octagonal configuration, including four inclined surfaces, each of the four inclined surfaces of the anterior portion converging towards the longitudinal axis of the nose . Yes, the front part and
A posterior portion having eight surfaces, including four inclined surfaces, wherein each of the four inclined surfaces of the posterior portion converges toward the longitudinal axis of the nose. Side part and
An intermediate portion disposed between the front side portion and the rear side portion, comprising a number of surfaces in the cross section different from the number of the plurality of surfaces in the cross section of the rear side portion and the front side portion. With a nose, which has an intermediate part,
A wear member having an end for biting into the ground and a base end having a cavity, wherein the cavity is at least one of the plurality of surfaces in the anterior portion, the intermediate portion or the posterior portion of the nose. A wear member assembly comprising a wear member, having a front part and a rear part, with some corresponding surfaces. 31. The wear member assembly according to claim 31, wherein the plurality of surfaces in the intermediate portion are non-supported surfaces. 31. The wear member assembly of claim 31, wherein the four slanted surfaces are non-supported surfaces. 31. The wear member assembly of claim 31, wherein the eight surfaces of the rear portion have two horizontal carrier surfaces and two vertical carrier surfaces in cross section. In the wear member
The wear member is
Front and rear ends, the rear end having a cavity formed therein, the cavity having a rear portion and a front portion, and the rear portion having an octagonal configuration. It has a plurality of surfaces, each of the plurality of surfaces of the posterior portion converges toward the longitudinal axis of the cavity , the anterior portion has eight surfaces, and the eight surfaces of the anterior portion. Each of the front and rear ends converges toward the longitudinal axis, and
A wear that comprises an intermediate portion extending between the anterior portion and the posterior portion, the number of intermediate portions having a surface in the cross section, which is different from the number of a plurality of surfaces in the cross section of the front portion. Element. 35. The wear according to claim 35, wherein the rear portion comprises a plurality of inward pockets forming a portion of the twist control specific structure so as to abut and match the corresponding twist control specific structure of the corresponding support structure . Element. In the wear member
The wear member is
A front end portion and a rear end portion, wherein the rear end portion has a cavity formed therein, and the cavity is formed in a front side portion arranged toward the front end portion and a rear end portion thereof. Each of the anterior and posterior portions has at least four surfaces, and each of the at least four surfaces of the posterior portion is a first. A front end and a rear that converge towards the longitudinal axis of the wear member at a convergence angle and each of the at least four surfaces of the anterior portion converges towards the longitudinal axis of the wear member at a second convergence angle. At the end,
An intermediate portion extending between the anterior portion and the posterior portion having a number of surfaces in the cross section different from the number of surfaces in the cross section of the anterior portion and the posterior portion. A wear member. The wear member assembly is a wear member having an end for biting into the ground and a proximal end having a cavity, wherein the cavity is at least in the anterior portion, the intermediate portion or the posterior portion of the nose. 19. The wear member assembly of claim 19, wherein the wear member comprises a wear member having an anterior portion and a posterior portion with corresponding surfaces. The plurality of surfaces of the rear portion are supported surfaces, the plurality of surfaces of the front portion are supported surfaces, and the surface of the intermediate portion is non-flat with respect to the supported surface of the rear portion. And is non-flat with respect to the supported surface of the anterior portion .
37. The support surface is configured to come into contact with the support structure when the wear member is attached to the support structure so as to transmit the load applied to the wear member to the support structure. Wear member. The wear member according to claim 37, wherein the rear portion forms an octagonal shape. Both the posterior portion and the anterior portion are capable of resisting horizontal and vertical loads when the wear member is attached to the support structure such that the load applied to the wear member is transmitted to the support structure. 37. The wear member according to claim 37, comprising a surface. 37. The wear member of claim 37, wherein the rear portion of the cavity comprises a downward surface having a first protrusion extending from itself and an upward surface having a second protrusion extending from itself. 42. The wear member according to claim 42, wherein the first protrusion and the second protrusion form a plurality of supported surfaces configured to abut on a support structure that can be inserted into the cavity. 42. The wear member according to claim 42, wherein the first protrusion and the second protrusion are shaped so as to form an arc. 42. The wear member according to claim 42, wherein the first protrusion and the second protrusion form a cross-sectional arc having a tangent line at an inclination angle. The wear member further comprises a group of four protrusions extending from the surface of the posterior portion angled between the bottom or top surface and the respective side surface in cross section . The wear member according to claim 37. In a wear member shaped to accept a support structure
The wear member is
Front and rear ends, said rear end comprising a front end and a rear end having a cavity formed within the rear end and forming a longitudinal axis. ,
The cavity is
A front portion having a plurality of inward surfaces angled at a first angle with respect to the longitudinal axis of the cavity , the plurality of inward surfaces of the front portion having an inclined cross section, and a front portion.
An intermediate portion having a plurality of inward surfaces angled at a second angle different from the first angle with respect to the longitudinal axis of the cavity , and the plurality of inward surfaces of the intermediate portion have an inclined cross section. The middle part and
A rear portion having a plurality of inward surfaces angled at a third angle different from the second angle with respect to the longitudinal axis of the cavity , and the plurality of inward surfaces of the rear portion have a cross section. Inclined, rear part and
A wear member comprising a plurality of inward facing surfaces having an inclined cross section, shaped and dimensioned as a plurality of supported surfaces in contact with the support structure. The plurality of surfaces of the rear portion are supported surfaces, the plurality of surfaces of the front portion are supported surfaces, and the surface of the intermediate portion is non-flat with respect to the supported surface of the rear portion. And is non-flat with respect to the supported surface of the anterior portion .
47. The support surface is configured to contact the support structure when the wear member is attached to the support structure so as to transmit the load applied to the wear member to the support structure. Wear member. The wear member according to claim 47, wherein the rear portion forms an octagonal shape. Both the posterior portion and the anterior portion are capable of resisting horizontal and vertical loads when the wear member is attached to the support structure such that the load applied to the wear member is transmitted to the support structure. 47. The wear member of claim 47, comprising a surface. 47. The wear member of claim 47, wherein the rear portion of the cavity comprises a downward surface having a first protrusion extending from itself and an upward surface having a second protrusion extending from itself. The wear member according to claim 51, wherein the first protrusion and the second protrusion form a plurality of supported surfaces configured to abut on a support structure that can be inserted into the cavity. The wear member according to claim 51, wherein the first protrusion and the second protrusion are shaped so as to form an arc. The wear member according to claim 51, wherein the first protrusion and the second protrusion form a cross-sectional arc having a tangent line at an inclination angle. The wear member further comprises a group of four protrusions extending from the surface of the posterior portion angled between the bottom or top surface and the respective side surface in cross section . The wear member according to claim 47.

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