Bearing dismounting tool
By designing bearing disassembly tooling, including pull rod assembly and hydraulic puller, pulling the bearing and the mounting seat together, the problem of damage during bearing disassembly is solved, efficiency and safety are improved, and costs are reduced.
Patent Information
- Application Number
- CN202420427967.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-06
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-03-06
AI Technical Summary
During the bearing disassembly process, the prior art can easily cause damage to the bearing or bearing mount, reduce service life, and increase production costs and consumption.
A bearing disassembly tool is designed, including two pull seats, two connectors, a pull rod assembly, a pull rod mount and a hydraulic puller, through which the bearing and the bearing mount are pulled out together to prevent damage.
Effectively prevent damage to bearings or bearing mounting seats, improve disassembly efficiency and safety, reduce production costs, and facilitate assembly and carrying.
Smart Images
Figure CN222328067U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bearing disassembly, in particular to a bearing disassembly tool. Background Art
[0002] Bearings are components that fix and reduce load friction coefficients during mechanical transmission. They are an important component in contemporary mechanical equipment. Generally, bearings are installed in bearing mounting seats, and the bearings and bearing mounting seats are interference fit.
[0003] In the prior art, since the installation clearance of the bearing is a tight fit installation, the bearing and the bearing mounting seat are often disassembled during the bearing disassembly process. The staff usually disassemble them directly by knocking with a hammer, which can easily cause damage to the bearing or the bearing mounting seat, reduce the service life of the bearing or the bearing mounting seat, increase the consumption of accessories, increase production costs, and reduce work efficiency.
[0004] Therefore, a bearing disassembly tool is urgently needed to solve the above technical problems. Utility Model Content
[0005] The utility model aims to provide a bearing disassembly tool, which can smoothly disassemble the bearing and the bearing mounting seat and prevent the bearing or the bearing mounting seat from being damaged.
[0006] To achieve this purpose, the utility model adopts the following technical solutions:
[0007] A bearing disassembly tool, the inner wall of the bearing is sleeved on the outer wall of the shaft, and the outer wall of the bearing is sleeved on the inner wall of the bearing mounting seat. The bearing disassembly tool is used to pull out the bearing mounting seat and the bearing together, and is characterized in that the bearing disassembly tool comprises two pulling seats, two connecting pieces, a pull rod assembly, a pull rod mounting seat and a puller, the two pulling seats are respectively arranged on both sides of the shaft, the end faces of the pulling seats can be abutted against the bearing mounting seat and the bearing, the two connecting pieces are respectively arranged on both sides of the shaft, the two ends of the connecting piece are respectively detachably connected to the two pulling seats, one end of the pull rod assembly is connected to the two pulling seats along the axial direction, and the other end of the pull rod assembly is connected to the pull rod mounting seat, one end of the puller can pass through the pull rod mounting seat and abut against the end face of the shaft, and the puller can pull the pull rod mounting seat, the pull rod assembly, the pull seat, the connecting piece, the bearing mounting seat and the bearing to move together.
[0008] As an optimal technical solution for the above-mentioned bearing disassembly tooling, the pull rod assembly includes two pull rods, which are diagonally arranged, one end of the pull rod is threadedly connected to the end face of the pull seat, and the other end of the pull rod is detachably connected to the pull rod mounting seat.
[0009] As a preferred technical solution of the above-mentioned bearing disassembly tool, mounting grooves are provided at both ends of the pull rod mounting seat, the other end of the pull rod is connected to the mounting groove, and the pull rod can move along the groove wall of the mounting groove.
[0010] As a preferred technical solution of the above-mentioned bearing disassembly tool, the bearing disassembly tool also includes a gasket and a first nut, the other end of the pull rod passes through the installation groove and is connected to the first nut, and the gasket is arranged between the first nut and the pull rod mounting seat.
[0011] As a preferred technical solution of the above-mentioned bearing disassembly tool, the bearing disassembly tool also includes an extension rod, one end of which is threadedly connected to the pull rod, and the other end of the extension rod can pass through the installation groove and be connected to the first nut.
[0012] As a preferred technical solution of the above-mentioned bearing disassembly tool, the gasket is a steel part.
[0013] As a preferred technical solution of the above-mentioned bearing disassembly tool, the bearing disassembly tool further includes a cushion block, and the cushion block is arranged between the pulling seat, the bearing mounting seat and the bearing.
[0014] As a preferred technical solution of the above-mentioned bearing disassembly tool, the bearing disassembly tool further includes a positioning pin, the pull seat is provided with a positioning hole, and one end of the positioning pin can pass through the cushion block and be inserted into the positioning hole.
[0015] As a preferred technical solution of the above-mentioned bearing disassembly tool, the connecting member is a bolt, and the bearing disassembly tool further includes a second nut, and the bolt can pass through the two pull seats and be threadedly connected to the second nut.
[0016] As a preferred technical solution of the above-mentioned bearing removal tool, the puller is a hydraulic puller, and the moving end of the puller is against the shaft.
[0017] Beneficial effects of the utility model:
[0018] The utility model provides a bearing disassembly tool. The inner wall of the bearing is sleeved on the outer wall of the shaft, the outer wall of the bearing is sleeved on the inner wall of the bearing mounting seat, the bearing disassembly tool is used to pull out the bearing mounting seat and the bearing together, the bearing disassembly tool comprises two pull seats, two connecting pieces, a pull rod assembly, a pull rod mounting seat and a puller, the two pull seats are respectively arranged on both sides of the shaft, the end faces of the pull seats can be against the bearing mounting seat and the bearing, the two connecting pieces are respectively arranged on both sides of the shaft, the two ends of the connecting piece are respectively detachably connected to the two pull seats, one end of the pull rod assembly is connected to the two pull seats along the axial direction, the other end of the pull rod assembly is connected to the pull rod mounting seat, one end of the puller can pass through the pull rod mounting seat and abut against the end face of the shaft, the puller can pull the pull rod mounting seat, the pull rod assembly, the pull seat, the connecting piece, the bearing mounting seat and the bearing to move together, the bearing mounting seat and the bearing can be disassembled at the same time by the bearing disassembly tool, compared with the prior art, the bearing or the bearing mounting seat can be prevented from being damaged. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present invention and these drawings without paying any creative work.
[0020] Figure 1 A schematic diagram of the structure of the bearing disassembly tool and shaft installation provided by an embodiment of the utility model;
[0021] In the figure:
[0022] 1. Bearing; 2. Bearing mounting seat; 3. Pull seat; 4. Connector; 5. Pull rod mounting seat; 51. Mounting groove; 6. Puller; 7. Pull rod; 8. Washer; 9. First nut; 10. Extension rod; 11. Cushion block; 12. Positioning pin; 13. Second nut. DETAILED DESCRIPTION
[0023] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.
[0024] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0025] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.
[0026] In the description of this embodiment, the terms "upper", "lower", "left", "right" and other directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.
[0027] like Figure 1 As shown, the utility model provides a bearing disassembly tool. The inner wall of the bearing 1 is sleeved on the outer wall of the shaft, and the outer wall of the bearing 1 is sleeved on the inner wall of the bearing mounting seat 2. The bearing disassembly tool is used to pull out the bearing mounting seat 2 and the bearing 1 together. The bearing disassembly tool includes two pull seats 3, two connecting pieces 4, a pull rod assembly, a pull rod mounting seat 5 and a puller 6.
[0028] Specifically, two pulling seats 3 are respectively arranged on both sides of the shaft, and the end faces of the pulling seats 3 can be abutted against the bearing mounting seat 2 and the bearing 1. Two connecting members 4 are respectively arranged on both sides of the shaft, and the two ends of the connecting members 4 are respectively detachably connected to the two pulling seats 3. One end of the pull rod assembly is connected to the two pulling seats 3 along the axial direction, and the other end of the pull rod assembly is connected to the pull rod mounting seat 5. One end of the puller 6 can pass through the pull rod mounting seat 5 and abut against the end face of the shaft. The puller 6 can pull the pull rod mounting seat 5, the pull rod assembly, the pulling seat 3, the connecting member 4, the bearing mounting seat 2 and the bearing 1 to move together. The bearing mounting seat 2 and the bearing 1 can be disassembled at the same time through the bearing disassembly tool. Compared with the prior art, it can prevent the bearing 1 or the bearing mounting seat 2 from being damaged. At the same time, the bearing disassembly tool is easy to assemble and disassemble, and is convenient for the staff to use and carry.
[0029] Preferably, the connecting member 4 is a bolt, and the bearing disassembly tool further includes a second nut 13, and the bolt can pass through the two pull seats 3 and be threadedly connected with the second nut 13. Specifically, threaded through holes are provided at both ends of the two pull seats 3, and the bolt can pass through the threaded through holes to connect the two pull seats 3. Such a structure can adapt to bearings 1 of different diameters. When the staff disassembles the bearing 1 and the bearing mounting seat 2, the two pull seats 3 are arranged on both sides of the shaft, and the threaded through holes at the same end of the two pull seats 3 are aligned. The two pull seats 3 are connected by rotating the bolt so that the bolt passes through the threaded through holes at the same end of the two pull seats 3, so that the nut of the bolt is against the pull seat 3, and the other end of the bolt is provided with a second nut 13, and the second nut 13 is against the other pull seat 3, so that the two pull seats 3 can be firmly connected, the bolt is prevented from loosening, the two pull seats 3 are prevented from moving relative to each other, and the pull seat 3 is prevented from separating from the bearing 1 and the bearing mounting seat 2.
[0030] Preferably, the tie rod assembly includes two tie rods 7, the two tie rods 7 are diagonally arranged, one end of the tie rod 7 is threadedly connected to the end face of the tie seat 3, and the other end of the tie rod 7 is detachably connected to the tie rod mounting seat 5. Specifically, in the present embodiment, the pull seat 3 is a rectangular structure, and the two pull seats 3 are respectively arranged on both sides of the shaft, so that the two sides of the bearing mounting seat 2 and the bearing 1 can be subjected to force, which is convenient for the disassembly of the bearing mounting seat 2 and the bearing 1; in order to balance the force on the bearing mounting seat 2 and the bearing 1, the tie rod assembly is provided with two tie rods 7, the two tie rods 7 are respectively installed on the pull seat 3, and the two tie rods 7 are diagonally arranged, so that the two sides of the bearing mounting seat 2 and the bearing 1 can be subjected to force balance, and the bearing mounting seat 2 and the bearing 1 can be subjected to axial force, avoiding uneven force causing disassembly difficulties. Of course, in some other embodiments, the tie rod assembly can be provided with multiple tie rods 7 according to actual needs, and the multiple tie rods 7 are evenly distributed along the circumference, so that the bearing mounting seat 2 and the bearing 1 are subjected to force balance.
[0031] Preferably, mounting grooves 51 are provided at both ends of the tie rod mounting seat 5, the other end of the tie rod 7 is connected to the mounting groove 51, and the tie rod 7 can move along the groove wall of the mounting groove 51. Specifically, the tie rod 7 is a cylindrical structure, and the tie rod mounting seat 5 has mounting grooves 51 at both ends, and the groove wall length of the mounting groove 51 is greater than the diameter of the tie rod 7. When it is for shafts of different diameters, the distance between the two pull seats 3 is adjusted so that the two pull seats 3 are against the bearing mounting seat 2 and the bearing 1. At the same time, the distance between the two pull seats 3 is increased. In order to make the pulling force of the two pull seats 3 along the axial direction, the positions of the two tie rods 7 in the two mounting grooves 51 are adjusted so that the two tie rods 7 are arranged along the axial direction, thereby distributing the pulling force of the two tie rods 7 along the axial direction.
[0032] Preferably, the bearing disassembly tool further includes a gasket 8 and a first nut 9, the other end of the tie rod 7 passes through the mounting groove 51 and is connected to the first nut 9, and the gasket 8 is arranged between the first nut 9 and the tie rod mounting seat 5. Specifically, the bearing disassembly tool is provided with a gasket 8 and a first nut 9, the other end of the tie rod 7 is provided with an external thread, the other end of the tie rod 7 passes through the mounting groove 51 and is threadedly connected to the first nut 9, the gasket 8 is arranged between the first nut 9 and the tie rod mounting seat 5, the gasket 8 is against the tie rod mounting seat 5, which can increase the force area of the tie rod mounting seat 5 and improve the stability of the bearing disassembly tool during use.
[0033] Optionally, the gasket 8 is a steel part. The high strength of the gasket 8 can improve the stability of the bearing removal tool during the process of pulling the bearing 1 and the bearing mounting seat 2, increase the service life of the gasket 8, and further increase the service life of the bearing removal tool.
[0034] Preferably, the bearing removal tool further includes an extension rod 10, one end of which is threadedly connected to the pull rod 7, and the other end of the extension rod 10 can pass through the mounting slot 51 to be connected to the first nut 9. Specifically, the bearing removal tool is provided with an extension rod 10, one end of which is threadedly connected to the pull rod 7 to increase the length of the pull rod 7, and the extension rod 10 can pass through the mounting slot 51 and be threadedly connected to the first nut 9, so as to adapt to shafts of different lengths, thereby improving the versatility of the bearing removal tool, and at the same time, facilitating the disassembly and assembly of the extension rod 10, and making it convenient for staff to carry.
[0035] Preferably, the bearing disassembly tool further includes a cushion block 11, which is arranged between the pull seat 3 and the bearing mounting seat 2 and the bearing 1. Specifically, since the pulling force between the pull seat 3 and the bearing mounting seat 2 and the bearing 1 is relatively large, in order to prevent the bearing mounting seat 2 and the bearing 1 from being damaged, the cushion block 11 is arranged between the pull seat 3 and the bearing mounting seat 2 and the bearing 1, which can effectively prevent the pull seat 3 from directly contacting the bearing mounting seat 2 and the bearing 1, thereby avoiding damage to the bearing mounting seat 2 and the bearing 1; and the cushion block 11 is also suitable for the bearing mounting seat 2 with an uneven end surface, and the distance between the bearing mounting seat 2 and the pull seat 3 is filled by the action of the cushion block 11.
[0036] Preferably, the bearing disassembly tool further includes a positioning pin 12, and the pull seat 3 is provided with a positioning hole, and one end of the positioning pin 12 can be inserted into the positioning hole through the cushion block 11. Specifically, in order to prevent the cushion block 11 from falling, the bearing disassembly tool is provided with a positioning pin 12, and the end surface of the pull seat 3 is provided with a positioning hole, and the positioning pin 12 can be inserted into the positioning hole through the cushion block 11, and the cushion block 11 can be fixed to the pull seat 3 to prevent the cushion block 11 from separating from the pull seat 3.
[0037] Preferably, the puller 6 is a hydraulic puller 6, and the moving end of the puller 6 is against the shaft. By extending the moving end of the puller 6, the pull rod mounting seat 5, the pull rod 7, the pull seat 3, the connecting piece 4, the bearing mounting seat 2 and the bearing 1 can be moved axially together. The hydraulic puller 6 can ensure a stable pulling speed and provide sufficient pulling force.
[0038] In addition, the above are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the scope of protection of the present invention. Therefore, although the present invention is described in more detail through the above embodiments, the present invention is not limited to the above embodiments, and may include more other equivalent embodiments without departing from the concept of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims
1. A bearing disassembly tool, wherein the inner wall of the bearing (1) is sleeved on the outer wall of the shaft, and the outer wall of the bearing (1) is sleeved on the inner wall of the bearing mounting seat (2). The bearing disassembly tool is used to pull out the bearing mounting seat (2) and the bearing (1) together, and is characterized in that: The bearing disassembly tool comprises two pull seats (3), two connecting pieces (4), a pull rod assembly, a pull rod mounting seat (5) and a puller (6); the two pull seats (3) are respectively arranged on both sides of the shaft; the end faces of the pull seats (3) can be abutted against the bearing mounting seat (2) and the bearing (1); the two connecting pieces (4) are respectively arranged on both sides of the shaft; the two ends of the connecting piece (4) are respectively detachably connected to the two pull seats (3); one end of the pull rod assembly is connected to the two pull seats (3) along the axial direction; the other end of the pull rod assembly is connected to the pull rod mounting seat (5); one end of the puller (6) can pass through the pull rod mounting seat (5) and abut against the end face of the shaft; the puller (6) can pull the pull rod mounting seat (5), the pull rod assembly, the pull seat (3), the connecting piece (4), the bearing mounting seat (2) and the bearing (1) to move together.
2. The bearing disassembly tool according to claim 1, characterized in that: The pull rod assembly comprises two pull rods (7), the two pull rods (7) are arranged diagonally, one end of the pull rod (7) is threadedly connected to the end surface of the pull seat (3), and the other end of the pull rod (7) is detachably connected to the pull rod mounting seat (5).
3. The bearing disassembly tool according to claim 2, characterized in that: Both ends of the pull rod mounting seat (5) are provided with mounting grooves (51), the other end of the pull rod (7) is connected to the mounting groove (51), and the pull rod (7) can move along the groove wall of the mounting groove (51).
4. The bearing disassembly tool according to claim 3, characterized in that: The bearing disassembly tool also includes a gasket (8) and a first nut (9); the other end of the pull rod (7) passes through the mounting groove (51) and is connected to the first nut (9); and the gasket (8) is arranged between the first nut (9) and the pull rod mounting seat (5).
5. The bearing disassembly tool according to claim 4, characterized in that: The bearing disassembly tool further comprises an extension rod (10), one end of the extension rod (10) being threadedly connected to the pull rod (7), and the other end of the extension rod (10) being able to pass through the installation groove (51) and be connected to the first nut (9).
6. The bearing disassembly tool according to claim 4, characterized in that: The gasket (8) is a steel part.
7. The bearing disassembly tool according to claim 1, characterized in that: The bearing disassembly tool further comprises a cushion block (11), and the cushion block (11) is arranged between the pull seat (3), the bearing mounting seat (2) and the bearing (1).
8. The bearing disassembly tool according to claim 7, characterized in that: The bearing disassembly tool further comprises a positioning pin (12), the pull seat (3) is provided with a positioning hole, and one end of the positioning pin (12) can pass through the cushion block (11) and be inserted into the positioning hole.
9. The bearing disassembly tool according to any one of claims 1 to 8, characterized in that: The connecting member (4) is a bolt, and the bearing disassembly tool further comprises a second nut (13). The bolt can pass through the two pull seats (3) and be threadedly connected with the second nut (13).
10. The bearing disassembly tool according to any one of claims 1 to 8, characterized in that: The puller (6) is a hydraulic puller (6), and the moving end of the puller (6) abuts against the shaft.