CN219946066U - Hydraulic device for disassembling bearing - Google Patents
Hydraulic device for disassembling bearing Download PDFInfo
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- CN219946066U CN219946066U CN202321433858.8U CN202321433858U CN219946066U CN 219946066 U CN219946066 U CN 219946066U CN 202321433858 U CN202321433858 U CN 202321433858U CN 219946066 U CN219946066 U CN 219946066U
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- claw
- bearing
- jaw
- hydraulic
- head
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- 210000000078 claw Anatomy 0.000 claims abstract description 78
- 230000007246 mechanism Effects 0.000 claims abstract description 41
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 239000003921 oil Substances 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 239000012634 fragment Substances 0.000 description 5
- 239000011435 rock Substances 0.000 description 5
- 239000010727 cylinder oil Substances 0.000 description 4
- 239000002480 mineral oil Substances 0.000 description 3
- 235000010446 mineral oil Nutrition 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Mounting Of Bearings Or Others (AREA)
Abstract
The utility model provides a hydraulic device for disassembling a bearing, which relates to the technical field of bearing disassembling devices, and comprises a hydraulic ejector pin mechanism and a drawing claw mechanism connected with the hydraulic ejector pin mechanism, wherein the drawing claw mechanism comprises a drawing claw rod and a rotary claw head, the rotary claw head is rotatably arranged on the drawing claw rod, the claw head is arranged at the end part of the rotary claw head far away from the drawing claw rod, and the claw head is inserted into an annular gap of the end surface of the bearing and rotates so as to be clamped into a ball groove of the bearing; the hydraulic ejector rod mechanism and the drawing claw mechanism are mutually matched, so that the bearing can be disassembled, and in the disassembling process, the claw heads act on the inner ring and the outer ring simultaneously, so that the disassembling effect is remarkable, the stress is uniform, the damage to the bearing in the drawing process can be effectively reduced, and the accessory loss cost is reduced.
Description
Technical Field
The utility model relates to the technical field of bearing dismounting devices, in particular to a hydraulic device for dismounting a bearing.
Background
In the shale gas exploitation process, a large amount of oil-based rock fragments can be generated, mineral oil is contained in the rock fragments, the mineral oil is harmful to the environment and belongs to dangerous waste, so that the mineral oil-based rock fragments need to be treated, when the oil-based rock fragments are treated in a large amount, the treatment equipment works for a long time and can break down, and the bearings of the oil-based rock fragment equipment need to be removed by a hydraulic tool generally so as to maintain the equipment.
The bearing comprises an inner ring, an outer ring, a retainer and balls, wherein the outer ring is sleeved on the outer side of the inner ring, an annular gap exists between the inner ring and the outer ring, the retainer is arranged in the annular gap, a plurality of balls are uniformly arranged on the retainer along the circumferential direction, an outer groove is formed in the outer wall of the inner ring, an inner groove is formed in the inner wall of the outer ring, the outer groove and the inner groove form a ball groove, the rollers are positioned in the ball groove, when the bearing is dismounted by adopting the existing hydraulic puller, the outer ring of the bearing is usually gripped by the puller outer claw, then the pulling force is applied, the bearing is dismounted, the existing puller Ma Wai claw only acts on the outer ring in the pulling process, the stress of the inner ring and the outer ring of the bearing is uneven, the bearing is easy to damage, the dismounted bearing cannot be reused, the loss of parts is greatly increased, and the consumption cost of accessories is increased.
Disclosure of Invention
The utility model aims to provide a hydraulic device for disassembling a bearing, which solves the technical problems that the bearing is easy to damage and the consumption cost of accessories is increased when the bearing is disassembled by adopting the existing hydraulic puller in the prior art; the preferred technical scheme of the technical schemes provided by the utility model has a plurality of technical effects; details are set forth below.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a hydraulic device for disassembling a bearing, which comprises a hydraulic ejector pin mechanism and a drawing claw mechanism connected with the hydraulic ejector pin mechanism, wherein: the drawing claw mechanism comprises a drawing claw rod and a rotary claw head, the rotary claw head is rotatably arranged on the drawing claw rod, and the claw head is arranged at the end part of the rotary claw head, which is far away from the drawing claw rod; and inserting the jaw heads into the annular gap of the end face of the bearing and rotating the jaw heads, so that the jaw heads can be clamped into the ball grooves of the bearing.
Preferably, the jaw head comprises a cuboid jaw head body, wherein: the cuboid claw head body comprises two oppositely arranged first side surfaces, and the distance between the two first side surfaces is smaller than the width of the annular gap; the cuboid claw head body comprises two oppositely arranged second side faces, and the distance between the two second side faces is larger than the width of the annular gap.
Preferably, the second side is provided with a protrusion adapted to the ball groove.
Preferably, the rotary claw head comprises a mounting stud, the claw head is arranged at the end part of the mounting stud, a threaded hole is formed in the end face of the bottom end of the drawing claw rod along the axial direction, and the mounting stud is in threaded connection with the threaded hole.
Preferably, the cross-sectional shape of the drawing claw bar is set to be a regular hexagon.
Preferably, the hydraulic thimble mechanism comprises a hydraulic cylinder, a pressing handle and a piston thimble, wherein: the pressing handle is rotatably arranged at the top of the hydraulic cylinder, and the pressing end of the pressing handle is inserted into the hydraulic cylinder; the piston thimble is movably inserted into the hydraulic cylinder from the bottom end of the hydraulic cylinder.
Preferably, the hydraulic cylinder comprises a cylinder body oil reservoir and a guide post arranged at the bottom of the cylinder body oil reservoir, wherein: the pressing end of the pressing handle is inserted into the cylinder body oil reservoir; the piston rod of the piston thimble is inserted into the guide post from the bottom end of the guide post.
Preferably, the drawing jaw mechanism comprises an adjusting nut, the guide post is provided with an external thread, wherein: the adjusting nut is connected to the guide post in a threaded manner; the pull claw rod is rotatably connected to the adjusting nut.
Preferably, the number of the drawing claw rods is at least two, all the drawing claw rods are uniformly arranged along the circumferential direction of the adjusting nut, and the end part of each drawing claw rod is rotatably provided with the rotary claw head.
The hydraulic device for disassembling the bearing has the following advantages:
the hydraulic device for disassembling the bearing comprises a hydraulic ejector pin mechanism and a drawing claw mechanism connected with the hydraulic ejector pin mechanism, wherein the hydraulic ejector pin mechanism and the drawing claw mechanism are matched with each other and used for disassembling the bearing.
The drawing jaw mechanism comprises a drawing jaw and a rotary jaw head, the rotary jaw head is rotatably arranged on the drawing jaw rod, the rotary jaw head is far away from the jaw head arranged at the end part of the drawing jaw rod, when a bearing is disassembled, the jaw head is inserted into an annular gap of the end face of the bearing, and rotates after being inserted into place, so that the jaw head is clamped into a ball groove, and then the drawing jaw mechanism is matched with the hydraulic thimble mechanism to complete the drawing motion, so that the bearing is disassembled, the drawing force exerted by the jaw head acts on an outer ring and an inner ring simultaneously, and the stress of the inner ring and the outer ring is uniform.
The hydraulic ejector rod mechanism and the drawing claw mechanism are mutually matched, so that the bearing can be disassembled, the claw heads are positioned in the ball grooves in the disassembling process, and the ball grooves consist of the inner ring outer grooves and the outer ring inner grooves, so that the drawing force exerted by the claw heads acts on the inner ring and the outer ring of the bearing simultaneously, the disassembling effect is obvious, the stress is uniform, the bearing is not easy to damage, the accessory loss is greatly reduced, and the accessory consumption cost is saved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIGS. 1 and 2 are schematic views of the structure of the present utility model;
FIG. 3 is a schematic cross-sectional view of the A-section drawing jaw bar of the present utility model;
FIG. 4 is an enlarged view of section B of the present utility model;
FIG. 5 is a schematic view of the structure of the jaw head of the present utility model snapped into a bearing groove;
FIG. 6 is an enlarged view of section C of the present utility model;
fig. 7 is a schematic view of the structure of the rotary jaw head of the present utility model.
Reference numerals
1. A hydraulic thimble mechanism; 11. a hydraulic cylinder; 111. a cylinder reservoir; 112. a guide post; 113. a rotatable pump head; 114. a fast control switch; 12. pressing the handle; 121. a detachable handle; 122. a handle fixing sleeve; 123. a connecting plate; 13. a piston thimble; 131. a piston rod; 132. a detachable thimble; 2. a drawing claw mechanism; 21. drawing a claw rod; 22. a rotary jaw; 221. a jaw head; 2211. a protrusion; 222. installing a stud; 23. an adjusting nut; 3. a bearing; 31. an inner ring; 32. an outer ring; 33. ball grooves; 34. a retainer; 35. a ball; 4. and a transmission shaft.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.
Example 1:
the utility model provides a hydraulic device for disassembling a bearing, which is shown by referring to fig. 1, 2 and 5, and comprises a hydraulic thimble mechanism 1 and a drawing claw mechanism 2 connected with the hydraulic thimble mechanism 1.
The drawing jaw mechanism 2 includes a drawing jaw lever 21 and a rotary jaw 22, the rotary jaw 22 is rotatably provided on the drawing jaw lever 21, and a jaw 221 is provided at an end of the rotary jaw 22 remote from the drawing jaw lever 21.
When the bearing 3 on the transmission shaft 4 is dismounted, the rotary claw head 22 is aligned with the annular gap of the end face of the bearing 3 and inserted, after the claw head 221 is inserted into place, the rotary claw head 22 is rotated to clamp the claw head 221 into the ball groove 33 formed by the outer groove of the inner ring 31 and the inner groove of the outer ring 32, after that, the hydraulic thimble mechanism 1 is propped against the transmission shaft 4, and the rotary claw head 22 is pulled by the drawing claw rod 21 to pull the bearing 3 until the bearing 3 is separated from the transmission shaft 4, and the dismounting is completed.
In the process, the claw heads 221 act on the inner ring 31 and the outer ring 32 simultaneously, so that the dismounting effect is remarkable, the stress is uniform, the damage to the bearing 3 in the drawing process can be effectively reduced, and the accessory loss cost is reduced.
Example 2:
example 2 is based on example 1:
as shown in fig. 5 and 6, the jaw head 221 includes a rectangular parallelepiped jaw head body.
The cuboid claw head body comprises two oppositely arranged first side faces, the distance between the two first side faces is smaller than the width of the annular gap, and when the first side faces are located in the tangential direction of the inner ring 31 and the outer ring 32, the claw head 221 can be inserted into the annular gap.
The cuboid claw head body comprises two oppositely arranged second side faces, the distance between the two second side faces is larger than the width of the annular gap, and when the cuboid claw head body rotates for a certain angle, the claw head 221 can be clamped into the ball groove 33.
As an alternative embodiment, as shown in fig. 6, the second side is provided with a protrusion 2211 adapted to the ball groove 33.
Thus, when the jaw head 221 rotates to the radial direction of the inner ring 31 and the outer ring 32, the protrusion 2211 is just located in the ball groove 33, and the clamping is stable.
For facilitating smooth insertion of the jaw head 221 into the annular groove, referring to fig. 7, a chamfer is provided on the bottom surface of the rectangular jaw head body, and the chamfer may be a round chamfer or a straight chamfer.
As an alternative embodiment, as shown in fig. 4 and 7, the rotary jaw 22 includes a mounting stud 222, the jaw 221 is disposed at an end of the mounting stud 222, a threaded hole is axially provided on a bottom end surface of the drawing jaw lever 21, and the mounting stud 222 is threadedly connected to the threaded hole.
By adopting the screw thread rotation structure, on the one hand, the rotation of the jaw head 221 can be realized without affecting the clamping into the ball groove 33, and on the other hand, the self-locking effect is realized, and the adjustment of the axial position of the rotary jaw head 22 can be realized.
As an alternative embodiment, as shown in fig. 3, the cross-sectional shape of the drawing pawl lever 21 is set to be regular hexagonal, so that the use of auxiliary tools such as a wrench is facilitated during use.
As an alternative embodiment, as shown in fig. 1 and 2, the hydraulic ejector mechanism 1 includes a hydraulic cylinder 11, a pressing handle 12, and a piston ejector 13.
The pressing handle 12 is rotatably arranged at the top of the hydraulic cylinder 11, the pressing end of the pressing handle 12 is inserted into the hydraulic cylinder 11, and the piston thimble 13 is movably inserted into the hydraulic cylinder 11 from the bottom end of the hydraulic cylinder 11.
Further, the hydraulic cylinder 11 includes a cylinder oil reservoir 111 and a guide column 112, the guide column 112 is disposed at the bottom of the cylinder oil reservoir 111, a rotatable pump head 113 is disposed at the top of the cylinder oil reservoir 111, and a quick control switch 114 is disposed on the cylinder oil reservoir 111.
The pressing handle 12 includes a detachable handle 121, a handle fixing sleeve 122 and a connecting plate 123, the handle fixing sleeve 122 is fixedly sleeved at the end part of the detachable handle 121, a first hinge position and a second hinge position are arranged at the bottom of the handle fixing sleeve 122, the first hinge position is hinged with one end of a pressing rod, the other end of the pressing rod is inserted into the cylinder body oil reservoir 111 along the rotatable pump head 113, one end of the connecting plate 123 is hinged to the second hinge position, and the other end of the connecting plate 123 is hinged with the rotatable pump head 113.
The piston thimble 13 comprises a piston rod 131 and a detachable thimble 132 arranged on the piston rod 131, and the piston rod 131 is inserted into the guide post 112 from the bottom end of the guide post 112.
When the bearing 3 is disassembled, the push-pull pressing handle 12 is pushed and pulled to enable the piston thimble 13 to prop against the end face of the transmission shaft 4, and at the moment, the pull claw rod 21 drives the rotary claw head 22 to move under the action of reverse pushing force, so that the bearing 3 is pulled and separated from the transmission shaft 4.
The hydraulic thimble mechanism 1 adopts the prior art, and the internal structure and principle thereof are not described in detail.
As an alternative embodiment, as shown in fig. 2, the drawing jaw mechanism 2 includes an adjustment nut 23, the guide post 112 is provided with an external thread, the adjustment nut 23 is screwed to the guide post 112, and the end of the drawing jaw lever 21 remote from the rotary jaw 22 is rotatably connected to the adjustment nut 23.
The guide post 112 and the adjusting nut 23 are mutually matched to form a screw-nut mechanism, so that the screw-nut mechanism has a self-locking function, the relative position of the drawing jaw mechanism 2 can be adjusted according to actual requirements, the structure is flexible, and the application range is wide.
The adjusting nut 23 and the guide post 112 are both trapezoidal threads, and are firmly connected and not easy to loosen.
As an alternative embodiment, as shown in fig. 1, the number of the drawing claw bars 21 is at least two, all the drawing claw bars 21 are uniformly arranged along the circumferential direction of the adjusting nut 23, and the end of each drawing claw bar 21 is provided with a rotary claw head 22.
The plurality of drawing claw rods 21 and the rotary claw heads 22 are adopted, so that grabbing is more stable, and the dismounting effect of the bearing 3 is more remarkable.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "top", "bottom", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "a plurality", "a number" or "a plurality" is at least two, such as two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (9)
1. A hydraulic means for dismantling bearing, its characterized in that includes hydraulic pressure thimble mechanism and with the drawing jaw mechanism that hydraulic pressure thimble mechanism links to each other, wherein:
the drawing claw mechanism comprises a drawing claw rod and a rotary claw head, the rotary claw head is rotatably arranged on the drawing claw rod, and the claw head is arranged at the end part of the rotary claw head, which is far away from the drawing claw rod;
and inserting the jaw heads into the annular gap of the end face of the bearing and rotating the jaw heads, so that the jaw heads can be clamped into the ball grooves of the bearing.
2. The hydraulic device for disassembling a bearing of claim 1, wherein the jaw head comprises a rectangular parallelepiped jaw head body, wherein:
the cuboid claw head body comprises two oppositely arranged first side surfaces, and the distance between the two first side surfaces is smaller than the width of the annular gap;
the cuboid claw head body comprises two oppositely arranged second side faces, and the distance between the two second side faces is larger than the width of the annular gap.
3. The hydraulic device for removing a bearing according to claim 2, wherein the second side is provided with a protrusion adapted to the ball groove.
4. The hydraulic device for disassembling a bearing according to claim 1, wherein the rotary jaw comprises a mounting stud, the jaw is arranged at the end of the mounting stud, a threaded hole is axially formed in the end face of the bottom end of the drawing jaw rod, and the mounting stud is in threaded connection with the threaded hole.
5. The hydraulic device for disassembling a bearing according to claim 1, wherein the cross-sectional shape of the drawing claw rod is set to a regular hexagon.
6. The hydraulic device for removing bearings of claim 1, wherein the hydraulic spike mechanism comprises a hydraulic cylinder, a pressing handle, and a piston spike, wherein:
the pressing handle is rotatably arranged at the top of the hydraulic cylinder, and the pressing end of the pressing handle is inserted into the hydraulic cylinder;
the piston thimble is movably inserted into the hydraulic cylinder from the bottom end of the hydraulic cylinder.
7. The hydraulic device for disassembling a bearing according to claim 6, wherein the hydraulic cylinder comprises a cylinder reservoir and a guide post provided at a bottom of the cylinder reservoir, wherein:
the pressing end of the pressing handle is inserted into the cylinder body oil reservoir;
the piston rod of the piston thimble is inserted into the guide post from the bottom end of the guide post.
8. The hydraulic device for disassembling a bearing according to claim 7, wherein the drawing jaw mechanism comprises an adjusting nut, the guide post is provided with an external thread, wherein:
the adjusting nut is connected to the guide post in a threaded manner;
the pull claw rod is rotatably connected to the adjusting nut.
9. The hydraulic device for disassembling a bearing according to claim 8, wherein the number of the drawing claw bars is at least two, all the drawing claw bars are uniformly arranged along the circumferential direction of the adjusting nut, and an end portion of each drawing claw bar is rotatably provided with the rotary claw head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321433858.8U CN219946066U (en) | 2023-06-05 | 2023-06-05 | Hydraulic device for disassembling bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321433858.8U CN219946066U (en) | 2023-06-05 | 2023-06-05 | Hydraulic device for disassembling bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219946066U true CN219946066U (en) | 2023-11-03 |
Family
ID=88555926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321433858.8U Active CN219946066U (en) | 2023-06-05 | 2023-06-05 | Hydraulic device for disassembling bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219946066U (en) |
-
2023
- 2023-06-05 CN CN202321433858.8U patent/CN219946066U/en active Active
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