Bottom-dump mine car wheel pair bearing seat dismounting device

By using rigid ropes and threaded rods in the bearing seat removal device to tighten the clamp rod, and combining structures such as nuts, rubber sleeves and limit blocks, the problem of loose clamp rods is solved and the removal efficiency of bearing seats is improved.

CN223084696UActive Publication Date: 2025-07-11NORLAYTON MINING MACHINERY EQUIPMENT MANUFACTURING (TANGSHAN) CO LTD
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Patent Information

Application Number
CN202422355060.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-26
Publication Date
2025-07-11
Estimated Expiration
2034-09-26

AI Technical Summary

Technical Problem

The clamp rod of the existing bearing seat puller is easily loosened under the action of external force, resulting in failure of disassembly and reducing the removal efficiency of the bearing seat.

Method used

The clamp rod is wound under the action of the threaded rod. The clamp rod is tightened by tightening the rigid rope by winding the rod. Combined with the nut, rubber sleeve and limit block structures, the clamp rod is prevented from loosening and improving the fixing effect.

Benefits of technology

Effectively prevent the clamp rod from loosening under external force, ensure the normal progress of the pulling and disassembly process, and improve the removal efficiency of the bearing seat.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a bottom-dump mine car wheel pair bearing seat dismounting device, and relates to the technical field of dismounting devices, the bottom-dump mine car wheel pair bearing seat dismounting device comprises an auxiliary block, the outer surface of the auxiliary block is uniformly and rotatably connected with three rotating blocks, the inner walls of the rotating blocks are rotatably connected with clamping rods, the inner walls of the three clamping rods are provided with auxiliary fixing devices, and the auxiliary fixing devices are fixed on the outer surface of the auxiliary block. The auxiliary fixing device comprises an extension block, one side of the extension block is fixedly connected with the outer surface of an auxiliary block, the rigid rope is arranged, under the action of the threaded rod, the threaded rod can drive the winding rod to rotate, the winding rod drives the rigid rope to be wound on the outer surface of the winding rod, then the rigid rope is gradually tightened, and the rope is fixed through the extension block. And the three clamping rods are completely tightened by the rigid rope, so that the three clamping rods can be fixed in an auxiliary manner, the clamping rods are prevented from loosening under the action of external force, normal drawing and dismounting are facilitated, and the dismounting efficiency of the bearing seat is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of disassembly devices, in particular to a bottom-dumping mine car wheel pair bearing seat disassembly device. Background Art

[0002] The wheel bearing seat of a bottom-dumping mine car needs to be replaced regularly. During this process, a bearing seat disassembly device, that is, a bearing seat puller, is required. The bearing seat puller is a professional device for disassembling the bearing seat, which is used to firmly clamp the bearing seat to prevent the bearing seat from moving or slipping during the disassembly process, and can effectively improve the disassembly efficiency and ensure the operation safety.

[0003] When the bearing seat puller is in use, multiple clamping rods are required to clamp the outer surface of the bearing seat, and then the bearing seat is pulled and disassembled. However, during this process, the clamping rods may become loose under the action of external forces, which will lead to the failure of the pulling and disassembly, and reduce the disassembly efficiency of the bearing seat. Summary of the Utility Model

[0004] The utility model provides a bottom-dumping mine car wheel pair bearing seat disassembly device to solve the problem that the clamping rods may become loose under the action of external forces when clamping the bearing seat, which will lead to the failure of the pulling and disassembly and reduce the disassembly efficiency of the bearing seat.

[0005] To achieve the above object, the utility model adopts the following technical scheme: A bottom-dumping mine car wheel pair bearing seat disassembly device includes an auxiliary block. Three rotating blocks are evenly and rotatably connected to the outer surface of the auxiliary block. A clamping rod is rotatably connected to the inner wall of the rotating block. An auxiliary fixing device is arranged on the inner walls of the three clamping rods. The auxiliary fixing device includes an extension block. One side of the extension block is fixedly connected to the outer surface of the auxiliary block. A threaded rod is threadedly connected to the inner wall of the extension block. One end of the threaded rod is fixedly connected to a winding rod. An auxiliary hole is opened on the outer surface of the clamping rod. The same rigid rope is arranged on the inner walls of the three auxiliary holes. Both ends of the rigid rope are fixedly connected to the outer surface of the winding rod. A threaded ejector rod is threadedly connected to the inner wall of the auxiliary block. One end of the threaded ejector rod is fixedly connected to a round block. A rocker is fixedly connected to the outer surface of the round block. An anti-slip device is arranged on the outer surface of the rocker.

[0006] The effects achieved by the above components are as follows: By setting the rigid rope, under the action of the threaded rod, rotating the threaded rod will drive the winding rod to rotate, and the winding rod will drive the rigid rope to wind on the outer surface of the winding rod, thereby gradually tightening the rigid rope, so that the rigid rope completely tightens the three clamping rods, which can assist in fixing the three clamping rods, is beneficial to preventing the clamping rods from loosening under the action of external forces, and thus facilitates the normal progress of the pulling and disassembly, and is beneficial to improving the disassembly efficiency of the bearing seat.

[0007] Preferably, both ends of the winding rod are fixedly connected with stoppers, and one end of the threaded rod is fixedly connected with the inner wall of one of the stoppers.

[0008] The effects achieved by the above components are as follows: By providing two stoppers, the two ends of the winding rod can be blocked respectively, which is beneficial to preventing the rigid rope wound around the outer surface of the winding rod from detaching from the winding rod.

[0009] Preferably, one end of the threaded rod is fixedly connected with an operating block, and protrusions are provided on the outer surface of the operating block.

[0010] The effects achieved by the above components are as follows: By providing the operating block, rotating the operating block can drive the threaded rod to rotate. At the same time, protrusions are provided on the outer surface of the operating block, which can effectively increase the friction on the outer surface of the operating block and play an anti-slip role when rotating the operating block.

[0011] Preferably, nuts are provided on both sides of the extension block, and both nuts are threadedly connected with the outer surface of the threaded rod.

[0012] The effects achieved by the above components are as follows: By providing two nuts and rotating the two nuts respectively so that one side of the nut abuts against one side of the extension block, the threaded rod and the extension block can be assisted in fixing, which is beneficial to preventing the threaded rod from rotating and causing the fixing of the rigid rope to the clamping rod to become loose.

[0013] Preferably, a rubber pad is fixedly connected to one side of the nut, and the outer surface of the threaded rod is inserted into the inner wall of the rubber pad.

[0014] The effects achieved by the above components are as follows: By providing the rubber pad, it can replace one side of the nut to abut against one side of the extension block and increase the friction between the nut and the extension block, which is beneficial to preventing the nut from loosening.

[0015] Preferably, the anti-slip device includes a rubber sleeve, the outer surface of the rocker is inserted into the inner wall of the rubber sleeve, and grooves are evenly formed on the outer surface of the rubber sleeve.

[0016] The effects achieved by the above components are as follows: By providing the rubber sleeve with grooves, the friction on the outer surface of the rocker can be increased, which has an anti-slip effect when holding the rocker.

[0017] Preferably, a clamping strip is fixedly connected to the inner wall of the rubber sleeve, a clamping groove is formed on the outer surface of the rocker, and the outer surface of the clamping strip is inserted into the inner wall of the clamping groove.

[0018] The effects achieved by the above components are as follows: By providing the clamping strip and the clamping groove, the rubber sleeve and the rocker can be limited, which is beneficial to preventing the rubber sleeve from rotating on the outer surface of the rocker when holding the rocker.

[0019] Preferably, a limiting block is provided at one end of the rocker, a bolt is inserted into the inner wall of the limiting block, and the outer surface of the bolt is threadedly inserted into the inner wall of the rocker.

[0020] The effects achieved by the above components are as follows: By providing a limiting block, inserting the bolt into the inner wall of the limiting block, and rotating the bolt so that the outer surface of the bolt completely enters the inner wall of the rocker, the fixing between one end of the rocker and the limiting block can be achieved. At the same time, the limiting block can fix the rubber sleeve, which is beneficial to prevent the rubber sleeve from detaching from the rocker.

[0021] Compared with the prior art, the advantages and positive effects of the present utility model are as follows:

[0022] In the present utility model, by providing a rigid rope, under the action of the threaded rod, the threaded rod can drive the wire winding rod to rotate, and the wire winding rod drives the rigid rope to wind on the outer surface of the wire winding rod. Then, the rigid rope will be gradually tightened, so that the rigid rope tightly tightens the three clamping rods, thereby assisting in fixing the three clamping rods, which is beneficial to preventing the clamping rods from loosening under the action of external forces, and then facilitating the normal progress of pulling and disassembling, and is beneficial to improving the disassembly efficiency of the bearing seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a three-dimensional structural schematic diagram of the main body of the present utility model;

[0024] Figure 2 is a three-dimensional structural schematic diagram of the auxiliary fixing device of the present utility model;

[0025] Figure 3 is a three-dimensional structural schematic diagram of the anti-slip device of the present utility model;

[0026] Figure 4 is the present utility model Figure 3 The enlarged structural schematic diagram of part A.

[0027] Legend description: 1. Auxiliary block; 2. Rotating block; 3. Clamping rod; 4. Auxiliary fixing device; 41. Extension block; 42. Threaded rod; 43. Wire winding rod; 44. Auxiliary hole; 45. Rigid rope; 46. Stopper; 47. Operating block; 48. Nut; 49. Rubber pad; 5. Threaded ejector rod; 6. Round block; 7. Rocker; 8. Anti-slip device; 81. Rubber sleeve; 82. Card strip; 83. Card slot; 84. Limiting block; 85. Bolt. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] Example 1, referring to Figures 1 - 4As shown in the figure, this embodiment discloses a bottom-dumping mine car wheel pair bearing seat disassembly device, which includes an auxiliary block 1. Three rotating blocks 2 are evenly and rotatably connected to the outer surface of the auxiliary block 1. A clamping rod 3 is rotatably connected to the inner wall of the rotating block 2. An auxiliary fixing device 4 is arranged on the inner walls of the three clamping rods 3. The auxiliary fixing device 4 includes an extension block 41. One side of the extension block 41 is fixedly connected to the outer surface of the auxiliary block 1. A threaded rod 42 is threadedly connected to the inner wall of the extension block 41. One end of the threaded rod 42 is fixedly connected to a winding rod 43. An auxiliary hole 44 is formed on the outer surface of the clamping rod 3. The same rigid rope 45 is arranged on the inner walls of the three auxiliary holes 44. Both ends of the rigid rope 45 are fixedly connected to the outer surface of the winding rod 43. A threaded ejector rod 5 is threadedly connected to the inner wall of the auxiliary block 1. One end of the threaded ejector rod 5 is fixedly connected to a round block 6. A rocker 7 is fixedly connected to the outer surface of the round block 6. An anti-slip device 8 is arranged on the outer surface of the rocker 7. By setting the rigid rope 45, under the action of the threaded rod 42, when the threaded rod 42 is rotated, the threaded rod 42 will drive the winding rod 43 to rotate. The winding rod 43 drives the rigid rope 45 to wind on the outer surface of the winding rod 43, and then the rigid rope 45 will be gradually tightened, so that the rigid rope 45 tightly binds the three clamping rods 3, and then the three clamping rods 3 can be assisted and fixed, which is beneficial to preventing the clamping rods 3 from loosening under the action of external force, and then facilitating the normal progress of pulling and disassembly, and is beneficial to improving the disassembly efficiency of the bearing seat.

[0029] Refer to Figure 2 As shown in the figure, both ends of the winding rod 43 are fixedly connected with a stopper 46. One end of the threaded rod 42 is fixedly connected to the inner wall of one of the stoppers 46. By setting the two stoppers 46, the two ends of the winding rod 43 can be blocked respectively, which is beneficial to preventing the rigid rope 45 wound on the outer surface of the winding rod 43 from detaching from the winding rod 43; One end of the threaded rod 42 is fixedly connected to an operation block 47. Protrusions are arranged on the outer surface of the operation block 47. By setting the operation block 47, rotating the operation block 47 can drive the threaded rod 42 to rotate. At the same time, the protrusions are arranged on the outer surface of the operation block 47, which can effectively increase the friction force on the outer surface of the operation block 47 and has an anti-slip effect when rotating the operation block 47.

[0030] Refer to Figure 2As shown, nuts 48 are provided on both sides of the extension block 41. Both nuts 48 are threadedly connected to the outer surface of the threaded rod 42. By providing two nuts 48 and rotating the two nuts 48 respectively, so that one side of the nut 48 abuts against one side of the extension block 41, the auxiliary fixation between the threaded rod 42 and the extension block 41 can be achieved, which is beneficial to preventing the threaded rod 42 from rotating and causing the fixation of the rigid rope 45 to the clamping rod 3 to become loose; a rubber pad 49 is fixedly connected to one side of the nut 48, and the outer surface of the threaded rod 42 is inserted into the inner wall of the rubber pad 49. By providing the rubber pad 49, it can replace the abutment of one side of the nut 48 against one side of the extension block 41 and increase the friction between the nut 48 and the extension block 41, which is beneficial to preventing the nut 48 from loosening.

[0031] Referring to Figure 3 and Figure 4 As shown, the anti-slip device 8 includes a rubber sleeve 81. The outer surface of the rocker 7 is inserted into the inner wall of the rubber sleeve 81. The outer surface of the rubber sleeve 81 is evenly provided with grooves. By providing the rubber sleeve 81 with grooves, the friction on the outer surface of the rocker 7 can be increased, so that there is an anti-slip effect when holding the rocker 7.

[0032] Referring to Figure 3 and Figure 4 As shown, a clamping strip 82 is fixedly connected to the inner wall of the rubber sleeve 81, and a clamping groove 83 is provided on the outer surface of the rocker 7. The outer surface of the clamping strip 82 is inserted into the inner wall of the clamping groove 83. By providing the clamping strip 82 and the clamping groove 83, the rubber sleeve 81 and the rocker 7 can be limited, which is beneficial to preventing the rubber sleeve 81 from rotating on the outer surface of the rocker 7 when holding the rocker 7; a limiting block 84 is provided at one end of the rocker 7, and a bolt 85 is inserted into the inner wall of the limiting block 84. The outer surface of the bolt 85 is threadedly inserted into the inner wall of the rocker 7. By providing the limiting block 84, inserting the bolt 85 into the inner wall of the limiting block 84 and rotating the bolt 85, so that the outer surface of the bolt 85 completely enters the inner wall of the rocker 7, the fixation between one end of the rocker 7 and the limiting block 84 can be achieved, and at the same time the limiting block 84 can fix the rubber sleeve 81, which is beneficial to preventing the rubber sleeve 81 from detaching from the rocker 7.

[0033] Working principle: When it is necessary to fix the three clamping rods 3 for clamping the bearing housing, rotate the operating block 47 to drive the threaded rod 42 to rotate. The threaded rod 42 will drive the wire winding rod 43 to rotate. The wire winding rod 43 drives the rigid rope 45 to wind on the outer surface of the wire winding rod 43, and then gradually tightens the rigid rope 45, so that the rigid rope 45 tightly binds the three clamping rods 3. Then rotate the two nuts 48 respectively, so that the rubber pad 49 on one side of the nut 48 abuts against one side of the extension block 41, then auxiliary fixation can be carried out between the threaded rod 42 and the extension block 41, which is beneficial to preventing the threaded rod 42 from rotating and causing the fixation of the rigid rope 45 on the clamping rod 3 to become loose, and then the three clamping rods 3 can be assisted in fixation, which is beneficial to preventing the clamping rods 3 from loosening under the action of external force, and then facilitating the normal progress of pulling and disassembling; When it is necessary to install the rubber sleeve 81, sleeved the rubber sleeve 81 on the outer surface of the rocker 7, so that the card strip 82 is inserted into the inner wall of the card slot 83, and then insert the bolt 85 into the inner wall of the limiting block 84, and rotate the bolt 85 so that the outer surface of the bolt 85 completely enters the inner wall of the rocker 7, then the fixation between one end of the rocker 7 and the limiting block 84 can be carried out. At the same time, the limiting block 84 can fix the rubber sleeve 81, and the rubber sleeve 81 can increase the friction force on the outer surface of the rocker 7, so that there is an anti-slip effect when holding the rocker 7.

Claims

1. A bottom-dumping mine car wheel set bearing housing disassembly device, including an auxiliary block (1), characterized in that: Three rotating blocks (2) are evenly and rotatably connected to the outer surface of the auxiliary block (1). A clamping rod (3) is rotatably connected to the inner wall of the rotating block (2). An auxiliary fixing device (4) is arranged on the inner walls of the three clamping rods (3). The auxiliary fixing device (4) includes an extension block (41). One side of the extension block (41) is fixedly connected to the outer surface of the auxiliary block (1). A threaded rod (42) is threadedly connected to the inner wall of the extension block (41). One end of the threaded rod (42) is fixedly connected to a winding rod (43). An auxiliary hole (44) is formed in the outer surface of the clamping rod (3). The same rigid rope (45) is arranged on the inner walls of the three auxiliary holes (44). Both ends of the rigid rope (45) are fixedly connected to the outer surface of the winding rod (43). A threaded ejector rod (5) is threadedly connected to the inner wall of the auxiliary block (1). One end of the threaded ejector rod (5) is fixedly connected to a round block (6). A rocker (7) is fixedly connected to the outer surface of the round block (6). An anti-slip device (8) is arranged on the outer surface of the rocker (7).

2. The bottom-dumping mine car axle box bearing housing disassembly device according to claim 1, characterized in that: Blocks (46) are fixedly connected to both ends of the winding rod (43). One end of the threaded rod (42) is fixedly connected to the inner wall of one of the blocks (46).

3. A bottom-dumping mine car wheel pair bearing seat disassembly device according to claim 1, characterized in that: An operating block (47) is fixedly connected to one end of the threaded rod (42). Protrusions are arranged on the outer surface of the operating block (47).

4. The bottom-dumping mine car wheel set bearing housing disassembly device according to claim 1, characterized in that: Nuts (48) are arranged on both sides of the extension block (41). Both of the nuts (48) are threadedly connected to the outer surface of the threaded rod (42).

5. The dismounting device for the bottom-dumping mine car wheel pair bearing seat according to claim 4, wherein: A rubber pad (49) is fixedly connected to one side of the nut (48). The outer surface of the threaded rod (42) is inserted into the inner wall of the rubber pad (49).

6. The dismounting device for the bottom-dumping mine car axle box bearing according to claim 1, characterized in that: The anti-slip device (8) includes a rubber sleeve (81). The outer surface of the rocker (7) is inserted into the inner wall of the rubber sleeve (81). Grooves are evenly formed in the outer surface of the rubber sleeve (81).

7. A dismounting device for the bearing seat of the bottom-dumping mine car wheel pair according to claim 6, characterized in that: A strip (82) is fixedly connected to the inner wall of the rubber sleeve (81). A slot (83) is formed in the outer surface of the rocker (7). The outer surface of the strip (82) is inserted into the inner wall of the slot (83).

8. A bottom-dumping mine car wheel pair bearing housing disassembly device according to claim 7, characterized in that: A limiting block (84) is arranged at one end of the rocker (7). A bolt (85) is inserted into the inner wall of the limiting block (84). The outer surface of the bolt (85) is threadedly inserted into the inner wall of the rocker (7).