Bearing dismounting device

Abstract

The utility model belongs to the technical field of bearing dismounting, and particularly relates to a bearing dismounting device which comprises a clamping assembly and a driving assembly which are arranged on one side of a bearing in a sleeved mode, the clamping assembly comprises a clamping block I and a clamping block II which are arranged in an arc shape, and a check block I and a check block II are arranged in the clamping block I and the clamping block II respectively. When the clamping block I and the clamping block II make contact with the bearing outer ring, the check block I and the check block II make contact with the bearing inner ring, a plurality of clamping grooves are formed in the clamping block I and the clamping block II, connecting assemblies for connecting the clamping assembly and the driving assembly are arranged in the clamping grooves, and each connecting assembly comprises a connecting block and connecting rods rotationally arranged on the two sides of the connecting block. According to the bearing clamping device, when the clamping assembly is pulled, the clamping block I, the check block I, the clamping block II and the check block II wrap a bearing, the bearing can be taken down from a main shaft, and the bearing can be greatly protected.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing disassembly, in particular to a bearing disassembly device. Background Art

[0002] The bearing is connected to the main shaft, and the bearing is generally composed of an outer ring and an inner ring. The inner ring is tightly attached to the main shaft. When replacing the equipment, the bearing needs to be removed from the main shaft.

[0003] In the prior art, a disassembly device is used to dismantle the bearing. The disassembly device is connected to the outer ring of the bearing. The bearing is pulled out from the main shaft by pulling the disassembly device. This method can dismantle the bearing, but during the pulling-out process, the outer ring of the bearing is subjected to greater force. Although the bearing can be pulled out, it is often severely damaged, resulting in great waste. Utility Model Content

[0004] In view of the technical problems existing in the background technology, the purpose of the utility model is to provide a bearing disassembly device, which is convenient for removing the bearing from the main shaft and can greatly protect the bearing.

[0005] In order to achieve the above purpose, the technical solution provided by the utility model is:

[0006] A bearing disassembly device comprises a clamping assembly sleeved on one side of a bearing, wherein the clamping assembly comprises an arc-shaped clamping block I and a clamping block II, wherein a plurality of slots are provided on the clamping block I and the clamping block II, wherein a connecting assembly is provided in the slot, wherein the connecting assembly comprises a connecting block and a connecting rod rotatably provided on both sides of the connecting block, wherein the connecting block extends into the slot, and a driving assembly is provided at the end of the connecting rod.

[0007] Preferably, stopper I and stopper II are respectively arranged inside the clamping block I and the clamping block II, and when the clamping block I and the clamping block II are in contact with the outer ring of the bearing, the stopper I and the stopper II are in contact with the inner ring of the bearing.

[0008] Preferably, connecting pieces I are provided on both sides of the clamping block I, threaded holes I are provided on the connecting pieces I, and connecting pieces II are provided on both sides of the clamping block II, threaded holes II are provided on the connecting pieces II, and the threaded holes I and II are aligned.

[0009] Preferably, a plurality of threaded holes III are respectively provided on the clamping block I and the clamping block II, and the threaded holes III are arranged at the position of the slot and penetrate into the slot.

[0010] Preferably, a threaded hole IV is provided on the connection block, the threaded hole IV and the threaded hole III are aligned, and bolts are detachably provided in the threaded hole IV and the threaded hole III.

[0011] Preferably, convex rods I are provided on both sides of the connecting block, a connecting ring I is provided at one end of the connecting rod, and the connecting ring I is sleeved on the convex rod I.

[0012] Preferably, the driving assembly comprises a support rod, a support block and a driving block, wherein the support rod is passed through the support block and the driving block, and the support block and the driving block can slide on the support rod.

[0013] Preferably, a plurality of support seats are provided on the support block, convex rods II are provided on both sides of the support seats, a connecting ring II is provided at the other end of the connecting rod, and the connecting ring II is sleeved on the convex rod II.

[0014] Preferably, a threaded section is provided at one end of the support rod, and the drive block is threadably connected to the threaded section.

[0015] Preferably, a rotation groove is provided at one end of the support block, and a rotation plate is provided at one end of the driving block, and the rotation plate extends into the rotation groove.

[0016] The utility model has the following advantages and beneficial effects:

[0017] 1. In the utility model, the clamping blocks I and II are in contact with the outer ring, and the stoppers I and II are in contact with the inner ring. When the clamping assembly is pulled, the clamping blocks I, I, II and II wrap the bearing, which can not only remove the bearing from the main shaft, but also greatly protect the bearing.

[0018] 2. In the utility model, the driving block is rotated and moves along the direction of the threaded section. During the rotation of the driving block, the supporting block is driven to approach or move away from the initial position of the bearing, thereby driving the clamping assembly to separate the bearing from the main shaft. The separation effect is good and the separation method is simple.

[0019] 3. The utility model has a simple structure and is easy to operate, and is convenient for separating the bearing and the main shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A three-dimensional diagram of a bearing disassembly device provided by the utility model;

[0021] Figure 2 A schematic diagram of a bearing structure of a bearing disassembly device provided by the utility model;

[0022] Figure 3 A cross-sectional view of a clamping assembly of a bearing disassembly device provided by the utility model;

[0023] Figure 4 A schematic diagram of the connection between a connecting block and a connecting rod of a bearing disassembly device provided by the utility model;

[0024] Figure 5A schematic diagram of the structure of a driving assembly of a bearing disassembly device provided by the utility model;

[0025] Figure 6 A cross-sectional connection diagram of a support block and a drive block of a bearing disassembly device provided by the utility model;

[0026] Figure 7 A schematic diagram of the structure of a driving block of a bearing disassembly device provided by the utility model;

[0027] Figure 8 A schematic diagram of the connection between a connecting block and a supporting rod of a bearing disassembly device provided by the utility model;

[0028] Icons: 1-bearing, 101-outer ring, 102-inner ring, 2-clamping assembly, 21-clamping block I, 22-clamping block II, 23-slot, 231-threaded hole III, 232-bolt, 24-stopper I, 241-stopper II, 25-connecting plate I, 26-threaded hole I, 27-connecting plate II, 28-threaded hole II, 3-connecting block, 31-threaded hole IV, 32-convex rod I, 4-connecting rod, 41-connecting ring I, 42-connecting ring II, 5-support rod, 51-threaded segment, 6-support block, 61-support seat, 62-convex rod II, 63-rotation groove, 7-drive block, 71-rotation plate. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments.

[0030] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] Example

[0032] like Figure 1-3As shown, a bearing disassembly device includes a clamping assembly 2 sleeved on one side of a bearing 1, the clamping assembly 2 includes an arc-shaped clamping block Ⅰ21 and a clamping block Ⅱ22, the two sides of the clamping block Ⅰ21 are respectively provided with connecting pieces Ⅰ25, the connecting piece Ⅰ25 is provided with a threaded hole Ⅰ26, the two sides of the clamping block Ⅱ22 are respectively provided with connecting pieces Ⅱ27, the connecting piece Ⅱ27 is provided with a threaded hole Ⅱ28, the threaded hole Ⅰ26 and the threaded hole Ⅱ28 are aligned, when the bearing 1 is to be separated, the clamping assembly 2 clamps the bearing 1, aligns the connecting piece Ⅰ25 and the connecting piece Ⅱ27, and screws in the threaded hole Ⅱ28. The rod is inserted into the threaded hole Ⅰ26 and the threaded hole Ⅱ28 to fix the clamping block Ⅰ21, the clamping block Ⅱ22 and the bearing 1 to prevent sliding during the separation process. The clamping block Ⅰ21 and the clamping block Ⅱ22 are respectively provided with a stopper Ⅰ24 and a stopper Ⅱ241. When the clamping block Ⅰ21, the clamping block Ⅱ22 and the outer ring 101 of the bearing 1 are in contact, the stopper Ⅰ24, the stopper Ⅱ241 and the inner ring 102 of the bearing 1 are in contact. When the clamping assembly 2 is pulled, the forces on the inner ring 102 and the outer ring 101 of the bearing 1 are relatively balanced, which can not only separate the bearing 1 from the main shaft, but also greatly protect the quality of the bearing 1.

[0033] like Figure 1-4 As shown, a plurality of slots 23 are provided on the clamping block Ⅰ21 and the clamping block Ⅱ22, and a connecting assembly is provided in the slot 23. The connecting assembly includes a connecting block 3 and a connecting rod 4 rotatably provided on both sides of the connecting block 3. A plurality of threaded holes Ⅲ231 are provided on the clamping block Ⅰ21 and the clamping block Ⅱ22 respectively. The threaded hole Ⅲ231 is provided at the position of the slot 23 and penetrates into the slot 23. A threaded hole Ⅳ31 is provided on the connecting block 3. The threaded hole Ⅳ31 and the threaded hole Ⅲ231 are aligned, and bolts 232 are detachably provided in the threaded hole Ⅳ31 and the threaded hole Ⅲ231. During the disassembly process, the clamping block Ⅰ21 and the clamping block Ⅱ22 can be connected to the outside of the bearing 1 first, and then the connecting block 3 can be extended into the slot 23, and the bolt 232 can be screwed in to connect the overall tool. The connection method is simple, and when a certain position fails, it can be removed and replaced.

[0034] like Figure 1 , 5, 6, 7, and 8, the connecting block 3 extends into the card slot 23, the end of the connecting rod 4 is hingedly provided with a driving assembly, convex rods Ⅰ32 are provided on both sides of the connecting block 3, and a connecting ring Ⅰ41 is provided at one end of the connecting rod 4, and the connecting ring Ⅰ41 is sleeved on the convex rod Ⅰ32. The connecting rod 4 and the connecting block 3 are rotatably connected. The driving assembly includes a support rod 5, a support block 6 and a driving block 7. The support rod 5 is penetrated inside the support block 6 and the driving block 7, and the support block 6 and the driving block 7 can slide on the support rod 5. A plurality of support seats 61 are provided on the support block 6, and convex rods Ⅱ62 are provided on both sides of the support seat 61. A connecting ring Ⅱ42 is provided at the other end of the connecting rod 4. Ring II 42 is sleeved on the convex rod II 62, the connecting rod 4 and the support seat 61 are rotatably connected, a threaded section 51 is provided at one end of the support rod 5, the driving block 7 and the threaded section 51 are threadedly connected, a rotating groove 63 is provided at one end of the support block 6, and a rotating plate 71 is provided at one end of the driving block 7. The rotating plate 71 extends into the rotating groove 63. The cross-section of the rotating groove 63 is T-shaped, and the rotating plate 71 and the rotating groove 63 have the same shape. When the driving block 7 rotates, the rotating plate 71 rotates in the rotating groove 63 and will not separate from the rotating groove 63. The driving block 7 moves along the threaded section 51, driving the support block 6 to move along the direction of the support rod 5, and then driving the clamping assembly 2 to move.

[0035] Working principle: clamping block Ⅰ21 and clamping block Ⅱ22 are simultaneously pressed against bearing 1, screws are screwed into threaded holes Ⅰ26 and Ⅱ28 to fix clamping block Ⅰ21 and clamping block Ⅱ22, connecting block 3 is extended into slot 23, bolts 232 are screwed into threaded holes Ⅳ31 and Ⅲ231 to connect connecting block 3, clamping block Ⅰ21 and clamping block Ⅱ22 together, at this time, one end of support rod 5 without threaded section 51 is brought into contact with main shaft, driving block 7 is rotated to move it in the direction away from the initial position of bearing 1, driving block 7 drives supporting block 6 to move, supporting block 6 drives connecting rod 4 to pull clamping assembly 2 to remove bearing 1 from main shaft.

[0036] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various changes and modifications. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A bearing disassembly device, comprising a clamping assembly and a driving assembly sleeved on one side of a bearing, characterized in that: The clamping assembly includes an arc-shaped clamping block I and a clamping block II, and the inside of the clamping block I and the clamping block II are respectively provided with a stopper I and a stopper II. When the clamping block I and the clamping block II are in contact with the outer ring of the bearing, the stopper I and the stopper II are in contact with the inner ring of the bearing. A plurality of slots are provided on the clamping block I and the clamping block II, and a connecting assembly connecting the clamping assembly and the driving assembly is provided in the slot. The connecting assembly includes a connecting block and a connecting rod rotatably arranged on both sides of the connecting block. The connecting block is arranged in the slot, and the end of the connecting rod is hinged to the driving assembly.

2. A bearing disassembly device according to claim 1, characterized in that: The two sides of the clamping block I are respectively provided with connecting pieces I, and the connecting pieces I are provided with threaded holes I. The two sides of the clamping block II are respectively provided with connecting pieces II, and the connecting pieces II are provided with threaded holes II. The threaded holes I and II are aligned.

3. A bearing disassembly device according to claim 2, characterized in that: The clamping block I and the clamping block II are respectively provided with a plurality of threaded holes III, and the threaded holes III are arranged at the position of the clamping slot and penetrate into the clamping slot.

4. A bearing disassembly device according to claim 3, characterized in that: The connection block is provided with a threaded hole IV, the threaded hole IV and the threaded hole III are aligned, and bolts are detachably provided in the threaded hole IV and the threaded hole III.

5. A bearing disassembly device according to claim 4, characterized in that: The two sides of the connection block are provided with convex rods I, one end of the connection rod is provided with a connecting ring I, and the connecting ring I is sleeved on the convex rod I.

6. A bearing disassembly device according to claim 1, characterized in that: The driving assembly comprises a supporting rod, a supporting block and a driving block. The supporting rod is passed through the supporting block and the driving block, and the supporting block and the driving block can slide on the supporting rod.

7. A bearing disassembly device according to claim 6, characterized in that: The support block is provided with a plurality of support seats, and convex rods II are provided on both sides of the support seats. A connecting ring II is provided at the other end of the connecting rod, and the connecting ring II is sleeved on the convex rod II.

8. A bearing disassembly device according to claim 7, characterized in that: A threaded section is provided at one end of the support rod, and the drive block is threadably connected to the threaded section.

9. A bearing disassembly device according to claim 8, characterized in that: One end of the support block is provided with a rotation groove, and one end of the driving block is provided with a rotation plate, and the rotation plate extends into the rotation groove.

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