CN217892387U - Reinforced hub mechanism, inflation-free wheel and engineering vehicle - Google Patents

Abstract

The utility model provides a strengthen wheel hub mechanism, exempt from to aerify wheel and engineering vehicle, strengthen wheel hub mechanism and include: the inner wheel disc is used for connecting the inflation-free wheel with the driving device; foreign steamer hub locates including urceolus and ring the collar of urceolus inner wall, the urceolus be used for with exempt from to aerify the inner wall connection of the exempting from of wheel and aerifing the tire bead, the collar is to the mounting groove has just been seted up in the wheel extension, interior rim plate with connection and shutoff can be dismantled to the collar the mounting groove. The utility model provides a strengthen wheel hub mechanism through the cooperation of interior rim plate and outer wheel hub, when having realized high support, high stability, can also conveniently strengthen the components of a whole that can function independently dismantlement of wheel hub mechanism and change, practiced thrift a large amount of change use cost.

Description

Reinforced hub mechanism, inflation-free wheel and engineering vehicle

Technical Field

The utility model belongs to the technical field of the engineering vehicle tire, especially, relate to a strengthen wheel hub mechanism, exempt from to aerify wheel and engineering vehicle.

Background

The non-pneumatic tire not only can bear the weight, but also can be used as a moving device, so that the non-pneumatic tire is widely applied to engineering vehicles such as aerial work platforms and the like. At present, a hub mechanism and an outer tire are of an integrated structure, the hub mechanism cannot be separated and replaced, the hub mechanism needs to be integrally replaced when the outer tire is worn and replaced, and replacement cost is high. And current wheel hub mechanism adopts hollow out construction for reducing the cost of manufacture, the large tracts of land usually, leads to making wheel hub mechanism not only easily to interfere, twine with the external component, has still reduced wheel hub mechanism's bearing strength.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a strengthen wheel hub mechanism, exempt from to aerify wheel and engineering vehicle, aim at solving the technical problem that wheel hub mechanism use cost among the prior art is big and the stability in use is low.

In order to achieve the above object, the utility model provides a strengthen wheel hub mechanism for exempt from to aerify the wheel, strengthen wheel hub mechanism and include: the inner wheel disc is used for connecting the inflation-free wheel with a driving device; outer wheel hub locates including urceolus and ring the collar of urceolus inner wall, the urceolus be used for with exempt from the interior wall connection of exempting from the inflatable tire bead of inflatable wheel, the collar is installed to the collar the inner wheel dish extends and has seted up the mounting groove, the inner wheel dish with connection and shutoff can be dismantled to the collar the mounting groove.

The embodiment of the utility model provides an in, the mounting groove includes that inner ring groove and ring locate the outer ring groove of inner ring groove, inner ring groove with outer ring groove follows the wheel axial of exempting from to aerify the wheel sets gradually, interior wheel includes that main part dish and ring locate the outer go-between of main part dish, the main part dish with inner ring groove joint, the go-between with outer ring groove joint.

In an embodiment of the present invention, the depth of the inner annular groove matches with the thickness of the main body disc, and the depth of the outer annular groove matches with the thickness of the connection ring.

The embodiment of the utility model provides an in, the go-between with the diapire of outer annular groove can be dismantled the connection through a plurality of connecting pieces, and is a plurality of the connecting piece is followed the wheel circumferential direction interval of exempting from to aerify the wheel sets up.

In the embodiment of the present invention, the connecting ring has a plurality of connecting holes, the bottom wall of the outer annular groove corresponds to the connecting holes, and the connecting member sequentially passes through the connecting holes.

In an embodiment of the present invention, the connection ring is disposed at an end of the main body plate along the wheel axis direction.

In an embodiment of the present invention, a fitting gap is formed between the connection ring and the outer annular groove.

The embodiment of the utility model provides an in, be provided with on the main part dish be used for with the protrusion connecting plate that drive arrangement connects, protrusion connecting plate thickness is greater than the degree of depth of mounting groove.

The utility model also provides an exempt from to aerify the wheel, exempt from to aerify the wheel including exempting from to aerify the tire bead and as above strengthen wheel hub mechanism, it locates to exempt from to aerify the tire bead ring outside the urceolus.

The utility model discloses an engineering vehicle is proposed again, engineering vehicle includes as above exempt from to aerify the wheel.

Through the technical scheme, the embodiment of the utility model provides a strengthen wheel hub mechanism has following beneficial effect:

when the reinforced hub mechanism is assembled and connected, the inner wheel disc can be connected with the mounting ring, so that the inner wheel disc blocks the mounting groove at the hollow position in the mounting ring, the middle position of the reinforced hub mechanism except the connecting position with the driving device is in a solid state, the condition that an external part and the reinforced hub mechanism are wound and interfered can be avoided, meanwhile, the complex weight reduction design in the prior art is cancelled, the support strength of the reinforced hub mechanism can be improved, the inflation-free tire bead can be surrounded and covered outside the reinforced hub mechanism through the connection of the outer wall of the outer cylinder of the outer hub and the inner wall of the inflation-free tire bead, and the support strength of the reinforced hub mechanism on the inflation-free tire bead can be ensured; when the inflatable tire bead needs to be replaced, only the inflatable tire bead and the outer hub connected with the inflatable tire bead need to be replaced, the inner hub can be detached from the outer hub for continuous use, the reinforcing hub mechanism does not need to be replaced integrally, and the replacement and use cost of the reinforcing hub mechanism can be reduced.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide an understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention, but do not constitute a limitation of the invention. In the drawings:

fig. 1 is a schematic view illustrating an assembly structure of an inflation-free wheel according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of an inflation-free wheel according to an embodiment of the present invention;

fig. 3 is a schematic view of a disassembled structure of an inflation-free wheel according to an embodiment of the present invention;

fig. 4 is a schematic partial structural view of an inflation-free wheel according to an embodiment of the present invention;

fig. 5 is a schematic cross-sectional view of a portion of an embodiment of an inflation-free wheel according to the present invention;

fig. 6 is a schematic view of an inner hub structure of a reinforced hub mechanism according to an embodiment of the present invention;

fig. 7 is a schematic cross-sectional view of an inner wheel structure of a reinforced hub mechanism according to an embodiment of the present invention.

Description of the reference numerals

Label name

100. Reinforced hub mechanism 221 mounting groove

1. Inner ring groove of inner wheel disc 2211

11. Outer ring groove of main body plate 2212

12. Attachment holes for attachment ring 222

121. Connecting hole 3 connecting piece

13. Convex connecting plate 4 buffer

2. Outer hub 5 wear prevention

21. Inflation-free wheel of outer cylinder 200

22. Mounting ring 210 non-pneumatic tire bead

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It should be understood that the description herein of specific embodiments is for purposes of illustration and explanation only and is not intended to limit the invention.

The reinforced hub mechanism according to the present invention is described below with reference to the drawings.

As shown in fig. 1 to 7, in an embodiment of the present invention, a reinforced hub mechanism 100 is provided, wherein, for a non-pneumatic wheel 200, the reinforced hub mechanism 100 includes an inner wheel disc 1 and an outer hub 2; the inner wheel disc 1 is used for connecting the inflation-free wheel 200 with a driving device; the outer wheel hub 2 comprises an outer cylinder 21 and a mounting ring 22 which is annularly arranged on the inner wall of the outer cylinder 21, the outer cylinder 21 is used for being connected with the inner wall of an inflation-free tire bead 210 of the inflation-free wheel 200, the mounting ring 22 extends towards the inner wheel disc 1 and is provided with a mounting groove 221, and the inner wheel disc 1 and the mounting ring 22 can be detachably connected and can seal the mounting groove 221. Specifically, the outer tube 21 and the non-pneumatic bead 210 of the non-pneumatic wheel 200 may be integrally connected by casting or integrally vulcanizing.

When the reinforced hub mechanism 100 in the embodiment is assembled and connected, the inner wheel disc 1 and the mounting ring 22 can be detachably connected, so that the inner wheel disc 1 blocks the mounting groove 221 of the mounting ring 22, the middle position of the connecting position of the reinforced hub mechanism 100 and the driving device forms a solid state, the condition that an external part and the reinforced hub mechanism 100 are wound and interfered can be avoided, meanwhile, the complex weight reduction design in the prior art is eliminated, the supporting strength of the reinforced hub mechanism 100 can also be improved, the inflation-free tire bead 210 can be circumferentially covered outside the reinforced hub mechanism 100 through the connection of the outer wall 21 of the outer wheel hub 2 and the inner wall of the inflation-free tire bead 210, and the supporting strength of the inflation-free tire bead 210 by the reinforced hub mechanism 100 can be ensured; when the pneumatic bead 210 needs to be replaced, only the pneumatic bead 210 and the outer hub 2 integrated with the pneumatic bead 210 need to be replaced, the inner wheel 1 can be detached from the outer hub 2 for continuous use, the reinforcing hub mechanism 100 does not need to be replaced as a whole, and the replacement and use cost of the reinforcing hub mechanism 100 can be reduced. The cooperation of strengthening wheel hub mechanism 100 in this embodiment through interior rim plate 1 and foreign wheel hub 2 has realized high support, high stability simultaneously, can also conveniently strengthen the components of a whole that can function independently dismantlement change of wheel hub mechanism 100, has practiced thrift a large amount of change use cost.

It is understood that the mounting ring 22 extends inward in the wheel radial direction of the non-pneumatic wheel 200, and the mounting ring 22 is located near the middle of the outer cylinder 21 in the wheel axial direction of the pneumatic wheel 200. The reinforced hub mechanism 100 in this embodiment has high bearing strength, the thickness of the non-pneumatic tire bead 210 is smaller than that of a thick tire bead, the non-pneumatic wheel 200 is mainly a thin tire, and the inner wheel 1 and the outer hub 2 are made of high-strength metal. The outer cylinder 21 is in a hollow cylindrical shape, the inner wheel disc 1 is in a disc shape, and the outer hub 2 can fixedly connect the outer wall of the outer cylinder 21 and the inner wall of the inflation-free tire bead 210 in a pouring mode, so that the outer hub 2 and the inflation-free tire bead 210 are integrated, and the use stability of the inflation-free wheel 200 can be improved.

In one embodiment, the mounting groove 221 includes an inner annular groove 2211 and an outer annular groove 2212 annularly disposed in the inner annular groove 2211, the inner annular groove 2211 and the outer annular groove 2212 are sequentially arranged along the axial direction of the non-inflatable wheel 200, the inner wheel disc 1 includes a main disc 11 and a connecting ring 12 annularly disposed outside the main disc 11, the main disc 11 is clamped with the inner annular groove 2211, and the connecting ring 12 is clamped with the outer annular groove 2212. As shown in fig. 2, the front-back direction in the figure is the wheel axial direction, as shown in fig. 5, the inner diameter of the inner annular groove 2211 is smaller than the inner diameter of the outer annular groove 2212, so that the section of the installation groove 221 is of a step structure, the shapes of the inner wheel disc 1 and the installation groove 221 are matched, the main disc 11 and the connection ring 12 annularly arranged outside the main disc 11 are correspondingly arranged, the installation groove 221 and the inner wheel disc 1 are mutually attached through a step surface, a double clamping connection is formed, the inner wheel disc 1 and the outer wheel hub 2 are tightly matched, and therefore, the connection stability of the inner wheel disc 1 and the outer wheel hub 2 is ensured, and the disassembly is convenient.

In the embodiment of the present invention, the depth of the inner annular groove 2211 matches with the thickness of the main body plate 11, and the depth of the outer annular groove 2212 matches with the thickness of the connecting ring 12. As shown in fig. 2, the outer surface of the inner annular groove 2211 is flush with the outer edge of the inner annular groove 2211, and the outer surface of the connecting ring 12 is flush with the outer edge of the outer annular groove 2212, so that the situation that the manufacturing cost is increased due to the excessively thick thickness of the inner wheel disc 1 and the situation that the supporting strength is weak due to the excessively thin thickness of the inner wheel disc 1 are avoided on the basis that the inner wheel disc 1 is tightly attached to the mounting groove 221.

The connecting ring 12 and the bottom wall of the outer annular groove 2212 are detachably connected by a plurality of connecting pieces 3, and the plurality of connecting pieces 3 are arranged at intervals in the wheel circumferential direction of the non-pneumatic wheel 200. At inner wheel dish 1 and mounting groove 221 closely laminate through stair structure, carry out preliminary location joint after, the connection can further be dismantled with inner wheel dish 1 and outer wheel hub 2 to a plurality of connecting pieces 3 of accessible. In one embodiment, as shown in fig. 3, the connecting members 3 are bolts, 5 sets of bolts are evenly spaced to fasten the inner disc 1 and the outer hub 2 together, and in other embodiments, the number of the bolt sets is not limited to 5, and may be 3, 4, 6, 7 or more.

In another embodiment, the connecting member 3 is a pin capable of passing through the inner wheel 1 and the outer hub 2, and the pin can be fixed with the inner wheel 1 through a snap. In other embodiments, the connecting member 3 may be other components capable of being detachably connected, and the present invention is not limited thereto. In the embodiment of the present invention, the connecting ring 12 has a plurality of connecting holes 121, the bottom wall of the outer annular groove 2212 has a mounting hole 222 corresponding to the connecting hole 121, the connecting element 3 sequentially passes through the mounting hole 222 and the connecting hole 121, and the connecting holes 121, 222 are all consistent with the connecting element 3. In this embodiment, the mounting ring 22 and the inner wheel disc 1 are further connected in a manner that the connecting piece 3 sequentially penetrates through the mounting holes 222 and the connecting holes 121, so that the connection strength between the inner wheel disc 1 and the outer wheel hub 2 is ensured while the detachable connection form is ensured, and the connecting piece 3 is only required to be separated from the mounting holes 222 and the connecting holes 121, so that the inner wheel disc 1 and the outer wheel hub 2 can be conveniently detached, and the outer wheel hub 2 is taken out.

When the connecting member 3 is a bolt or a screw, one of the connecting hole 121 and the mounting hole 222 is a threaded hole, and the other is a through hole. In one embodiment, the bolts are threadedly engaged with the threaded holes formed in the inner wheel disc 1 through the through holes formed in the outer hub 2, thereby facilitating assembly and disassembly of the enhanced hub mechanism 100. In another embodiment, the connecting member 3 sequentially passes through the mounting ring 22 of the outer hub 2 and the inner disk 1, and a buffer member 4 and an anti-wear member 5 are sequentially arranged between the connecting member 3 and the outer wall of the outer hub 2, as shown in fig. 3, the buffer member 4 is an elastic pad with an opening, the anti-wear member 5 is a flat pad, and the buffer member 4 can prevent the connecting member 3 from loosening due to bumping during the driving process of the reinforced hub mechanism 100; the anti-abrasion piece 5 can prevent the condition that paint coatings on the surface of the inner wheel disc 1 are damaged due to overlarge torque in the fastening process of the connecting piece 3, and the service stability and the service life of the reinforced hub mechanism 100 are improved.

In the embodiment of the present invention, the connection ring 12 is disposed at the end of the main body plate 11 along the wheel axial direction. As shown in fig. 2, the connection ring 12 is provided at the rear end of the main body plate 11, thereby facilitating abutment limit of the connection ring 12 and the outer ring groove 2212. And, a fitting gap is formed between the connection ring 12 and the outer ring groove 2212. As shown in fig. 5 to 7, the inner diameters of the inner annular groove 2211 and the outer annular groove 2212 are R1 and R2, respectively, the outer diameter R1 of the main body disc 11 is substantially the same as the inner diameter R1 of the inner annular groove 2211, the inner disc 1 and the outer hub 2 are tightly fitted through transition fitting, the outer diameter R2 of the connecting ring 12 is slightly smaller than the inner diameter R2 of the outer annular groove 2212, a fitting gap is formed between the connecting ring 12 and the outer annular groove 2212, and it is ensured that the inner disc 1 and the outer hub 2 are not over-positioned.

In the embodiment of the present invention, the main body plate 11 is provided with a protruding connecting plate 13 for connecting with a driving device, and the thickness of the protruding connecting plate 13 is greater than the depth of the mounting groove 221. The shaft hole that is used for being connected with drive arrangement is seted up to protrusion connecting plate 13, and protrusion connecting plate 13 and main part dish 11 all are discoid, and the central axis coincidence, and the radius of protrusion connecting plate 13 is less than the radius of main part dish 11, when making things convenient for drive arrangement and strengthening the connection of hub mechanism 100, can also guarantee main part dish 11 and drive arrangement's joint strength. In this embodiment, the step structure of the inner disc 1 located at the outer ring is connected with the mounting groove 221 of the inner ring of the outer hub 2, and the protruding connecting plate 13 of the inner disc 1 located at the inner ring is connected with the driving device, so that the mutual interference between the inner ring structure and the outer ring structure of the inner disc 1 is avoided, and the assembly convenience of the reinforced hub mechanism 100 is improved.

The utility model discloses still provide an exempt from to aerify wheel 200, exempt from to aerify wheel 200 including exempting from to aerify tire bead 210 and as above strengthen wheel hub mechanism 100, exempt from to aerify tire bead 210 ring and locate outside urceolus 21, the concrete structure that should strengthen wheel hub mechanism 100 refers to above-mentioned embodiment. Since the inflation-free wheel 200 adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and details are not repeated here. The non-inflatable tire bead 210 can adopt a solid rubber layer and is fixedly connected with the outer cylinder 21 in an adhesion mode, when the inflatable tire bead 210 needs to be replaced, only the inflatable tire bead 210 and the outer hub 2 integrated with the inflatable tire bead 210 need to be replaced, the inner wheel disc 1 can still be continuously used, and the replacement cost of the non-inflatable wheel 200 can be reduced.

The utility model also provides an engineering vehicle, engineering vehicle as above exempt from to aerify wheel 200, should exempt from to aerify wheel 200's concrete structure and refer to above-mentioned embodiment. Since the engineering vehicle adopts all technical solutions of all the embodiments, at least all the beneficial effects brought by the technical solutions of the embodiments are achieved, and no further description is given here. In one embodiment, the engineering vehicle is a scissor aerial work platform.

In an embodiment, the engineering vehicle is an aerial work platform comprising the inflation-free wheel 200, compared with an aerial work platform tire formed by vulcanizing an outer tire and a rim in the prior art, the outer tire is worn after being used for a long time, when the outer tire needs to be replaced, the situation that the outer tire and the rim are integrated and cannot be peeled off from the rim alone can be avoided, the aerial work platform tire needs to be replaced integrally, the inner wheel disc 1 can be replaced alone, and the maintenance and use cost of the aerial work platform tire is reduced.

In the description of the present invention, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to imply that the number of indicated technical features is significant. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as meaning connected, detachably connected, or integrated; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (10)

1. A reinforced hub mechanism for a non-pneumatic wheel (200), the reinforced hub mechanism (100) comprising:

the inner wheel disc (1) is used for connecting the inflation-free wheel (200) with a driving device;

foreign wheel hub (2) locates including urceolus (21) and ring installing ring (22) of urceolus (21) inner wall, urceolus (21) be used for with exempt from the interior wall connection who aerifys tire bead (210) of exempting from of inflating wheel (200), installing ring (22) to interior rim plate (1) extends and has seted up mounting groove (221), interior rim plate (1) with installing ring (22) can be dismantled connection and shutoff mounting groove (221).

2. The hub reinforcing mechanism of claim 1, wherein the mounting groove (221) comprises an inner annular groove (2211) and an outer annular groove (2212) annularly arranged in the inner annular groove (2211), the inner annular groove (2211) and the outer annular groove (2212) are sequentially arranged along the wheel axial direction of the non-inflation wheel (200), the inner wheel disc (1) comprises a main disc (11) and a connecting ring (12) annularly arranged outside the main disc (11), the main disc (11) is clamped with the inner annular groove (2211), and the connecting ring (12) is clamped with the outer annular groove (2212).

3. A reinforced hub mechanism according to claim 2, wherein the depth of the inner annular groove (2211) matches the thickness of the body disc (11) and the depth of the outer annular groove (2212) matches the thickness of the connecting ring (12).

4. A reinforced hub mechanism according to claim 3, wherein the connecting ring (12) and the bottom wall of the outer annular groove (2212) are detachably connected by a plurality of connecting members (3), and the plurality of connecting members (3) are arranged at intervals along the circumferential direction of the non-pneumatic wheel (200).

5. The hub reinforcing mechanism as claimed in claim 4, wherein the connecting ring (12) has a plurality of connecting holes (121), the bottom wall of the outer annular groove (2212) has a mounting hole (222) corresponding to the connecting hole (121), and the connecting member (3) sequentially penetrates through the mounting hole (222) and the connecting hole (121).

6. A reinforced hub mechanism according to any one of claims 2 to 5, characterized in that the connecting ring (12) is arranged at the end of the main body disc (11) in the axial direction of the wheel.

7. Reinforced hub mechanism according to any of claims 2 to 5, characterized in that a fitting clearance is formed between the connecting ring (12) and the outer annular groove (2212).

8. A hub-reinforcing mechanism according to any one of claims 2 to 5, wherein a protruding web (13) for connection to the drive means is provided on the main body disc (11), the protruding web (13) having a thickness greater than the depth of the mounting groove (221).

9. A non-pneumatic wheel, characterized in that said non-pneumatic wheel (200) comprises a non-pneumatic bead (210) and a reinforced hub structure (100) according to any one of claims 1 to 8, said non-pneumatic bead (210) being annularly arranged outside said outer cylinder (21).

10. A work vehicle, characterized in that it comprises an inflation-free wheel (200) according to claim 9.

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