Bearing outer ring dismounting device

Abstract

The utility model belongs to the technical field of bearing outer ring dismounting devices, and discloses a bearing outer ring dismounting device which comprises a positioning frame and a top plate, the positioning frame is in a U shape, lower notches are symmetrically formed in the positioning frame, lower groove blocks are arranged in the lower notches in a sliding mode, lower rod holes are formed in the lower groove blocks, upper notches are symmetrically formed in the top plate, and lower rod holes are formed in the upper rod holes. An upper groove block is arranged in the upper groove opening in a sliding mode, an upper rod hole is formed in the upper groove block, a rod body is arranged between the upper rod hole in the vertical direction and the corresponding lower rod hole in a sliding mode, the rod body is in an L shape, a locking piece is fixed to the top end of the rod body, a screw hole is further formed in the middle of the top plate, and a screw is arranged in the screw hole in a threaded mode. The bearing outer ring dismounting device is light and portable as a whole and low in manufacturing cost, and two sides of the bearing outer ring are stressed when the bearing outer ring is dismounted, so that collision and scratch are avoided, and more manpower is saved; and through the arrangement of the upper groove block and the lower groove block which can slide, the device can be suitable for dismounting bearing outer rings with different radius sizes.

Description

Technical Field

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

[0002] Subway vehicle maintenance involves the disassembly of bearings. The outer ring of the bearing is generally installed in the outer cover with a certain interference fit. Currently, the outer ring of the bearing is generally removed from the bearing cover by knocking with a copper rod. This method causes uneven force on the outer ring during disassembly, which may scratch the bearing cover and outer ring.

[0003] In order to solve the problem of uneven force during the disassembly of the bearing outer ring, a device needs to be designed to pull the bearing outer ring out from multiple force points in the bearing cover to avoid scratching the components. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a bearing outer ring disassembly device, which effectively solves the problems raised by the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bearing outer ring disassembly device, comprising a positioning frame and a top plate, the positioning frame is U-shaped, a lower slot is symmetrically formed on the positioning frame, a lower slot block is slidingly arranged in the lower slot, a lower rod hole is formed on the lower slot block, an upper slot is symmetrically formed on the top plate, an upper slot block is slidingly arranged in the upper slot, an upper rod hole is formed in the upper slot block, a rod body is slidingly arranged between the upper rod hole and the corresponding lower rod hole in the vertical direction, the rod body is L-shaped, a locking piece is fixed to the top end of the rod body, a screw hole is also formed in the middle of the top plate, and a screw is threaded in the screw hole.

[0006] Preferably, the locking member includes a washer and a locking nut, wherein the washer is sleeved on the end of the rod body, and the locking nut is threadedly arranged at the end of the rod body and located above the washer.

[0007] Preferably, lower sliding blocks are symmetrically fixedly provided in the lower notch, lower sliding grooves are symmetrically formed on the lower groove block, and the lower sliding blocks are slidably engaged with the lower sliding grooves.

[0008] Preferably, upper sliding blocks are symmetrically fixedly provided in the upper notch, upper sliding grooves are symmetrically formed on the upper slot block, and the upper sliding blocks are slidably matched with the upper sliding grooves.

[0009] Preferably, a magnetic block is fixedly provided in the upper slide groove, and the magnetic block is magnetically adsorbed and matched with the corresponding upper sliding block.

[0010] Preferably, the positioning frame includes a horizontal plate and vertical plates distributed at both ends of the horizontal plate, wherein the lower notch is located on the horizontal plate and the vertical plates are arc-shaped.

[0011] Preferably, the rod body includes a straight rod portion, which is slidably matched with the lower rod hole and the upper rod hole. The top end of the straight rod portion is connected to an integrated stud portion, the gasket and the locking nut are used in conjunction with the stud portion, and the bottom end of the straight rod portion is connected to an integrated pulling portion.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] During operation, the device is light and portable as a whole, with low production cost. When disassembling the bearing outer ring, force is applied on both sides to avoid bumps and scratches, saving more manpower. By setting the sliding upper groove block and lower groove block, the device can be suitable for disassembling bearing outer rings of different radius sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention.

[0015] In the attached figure:

[0016] Figure 1 This is a structural diagram of a bearing outer ring disassembly device of the present invention;

[0017] Figure 2 This is a front structural diagram of a bearing outer ring disassembly device of the present invention;

[0018] Figure 3 This is a schematic diagram of the top plate structure of the present utility model;

[0019] Figure 4 For the utility model Figure 3 A in the middle is an enlarged structural diagram;

[0020] Figure 5 This is a schematic diagram of the positioning frame structure of the utility model;

[0021] Figure 6 This is a schematic diagram of the rod structure of the utility model;

[0022] Figure 7 This is a schematic diagram of the installation structure of the bearing cover and the bearing outer ring of the utility model;

[0023] In the figure: 1. Positioning frame; 2. Top plate; 3. Lower notch; 4. Lower slot block; 5. Lower rod hole; 6. Upper notch; 7. Upper slot block; 8. Upper rod hole; 9. Rod body; 10. Screw hole; 11. Screw; 12. Washer; 13. Lock nut; 14. Lower slider; 15. Lower slide; 16. Upper slider; 17. Upper slide; 18. Magnetic block; 19. Horizontal plate; 20. Vertical plate; 21. Straight rod part; 22. Stud part; 23. Pulling part. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0025] Embodiment 1, by Figure 1-Figure 7 The utility model relates to a bearing outer ring disassembly device, comprising a positioning frame 1 and a top plate 2. The positioning frame 1 is U-shaped, with a lower notch 3 symmetrically formed on the positioning frame 1, a lower slot block 4 slidingly arranged in the lower notch 3, a lower rod hole 5 formed on the lower slot block 4, an upper notch 6 symmetrically formed on the top plate 2, an upper slot block 7 slidingly arranged in the upper notch 6, an upper rod hole 8 formed in the upper slot block 7, a rod body 9 slidingly arranged between the upper rod hole 8 and the corresponding lower rod hole 5 in the vertical direction, the rod body 9 is L-shaped, a locking piece is fixed to the top end of the rod body 9, a screw hole 10 is further formed in the middle of the top plate 2, and a screw 11 is threadedly arranged in the screw hole 10;

[0026] With this design, when in use, the positioning frame 1 is placed above the bearing cover, and then the position of the rod body 9 is adjusted so that the rod body 9 extends into the inner part of the bearing outer ring. Then, the rod body 9 is moved so that the bottom end is hooked on the bottom end of the bearing outer ring. Then, the other rod body 9 is adjusted in the same way. Then, the screw 11 can be driven to rotate by a tool, and the screw 11 can drive the top plate 2 to move by means of a thread, so that the top plate 2 drives the rod body 9 thereon to move upward, and the bearing outer ring is removed from the bearing cover through the rod body 9, which is more convenient. For details, see Figure 7 , where the bearing cover is located on the outside, and the bearing outer ring is located on the inside of the bearing cover, and the bearing outer ring is hooked with the rod body 9.

[0027] The locking member includes a washer 12 and a locking nut 13, wherein the washer 12 is sleeved on the end of the rod body 9, and the locking nut 13 is threadedly arranged on the end of the rod body 9 and located above the washer 12;

[0028] This design facilitates the cooperation between the locking nut 13 and the washer 12 so that the rod body 9 can be blocked by the washer 12 when moving downward, thereby ensuring the pulling of the bearing outer ring.

[0029] A lower slider 14 is symmetrically fixed in the lower notch 3, and a lower groove 15 is symmetrically formed on the lower groove block 4. The lower slider 14 slides in cooperation with the lower groove 15.

[0030] An upper slider 16 is symmetrically fixed in the upper slot 6, and an upper slide groove 17 is symmetrically formed on the upper slot block 7. The upper slider 16 and the upper slide groove 17 are slidably matched;

[0031] With this design, the position between the lower slider 14 and the upper slider 16 can be adjusted according to actual needs to accommodate the disassembly of bearing outer rings with different radii.

[0032] A magnetic block 18 is fixedly provided in the upper slide groove 17, and the magnetic block 18 is magnetically attracted to and matched with the corresponding upper slider 16;

[0033] This design facilitates the upper slider 16 to stop at a desired position after moving by magnetic attraction, thereby ensuring the stability of the upper slider 16 after stopping.

[0034] The positioning frame 1 includes a horizontal plate 19 and vertical plates 20 distributed at both ends of the horizontal plate 19, wherein the lower notch 3 is located on the horizontal plate 19, and the vertical plate 20 is in an arc shape;

[0035] This design enables the shape of the positioning frame 1 to match that of the bearing cover, thereby ensuring the stability of the positioning frame 1 during use.

[0036] The rod body 9 includes a straight rod portion 21, which is slidably fitted with the lower rod hole 5 and the upper rod hole 8. The top end of the straight rod portion 21 is connected to an integral stud portion 22, and the gasket 12 and the locking nut 13 are used in conjunction with the stud portion 22. The bottom end of the straight rod portion 21 is connected to an integral drawing portion 23; this design makes it easy to hook the outer ring of the bearing through the drawing portion 23.

Claims

1. A bearing outer ring disassembly device, comprising a positioning frame (1) and a top plate (2), characterized in that: The positioning frame (1) is in a U-shape, and a lower notch (3) is symmetrically formed on the positioning frame (1), a lower slot block (4) is slidably provided in the lower notch (3), a lower rod hole (5) is formed on the lower slot block (4), an upper notch (6) is symmetrically formed on the top plate (2), an upper slot block (7) is slidably provided in the upper notch (6), an upper rod hole (8) is formed in the upper slot block (7), a rod body (9) is slidably provided between the upper rod hole (8) and the corresponding lower rod hole (5) in the vertical direction, and the rod body (9) is in an L-shape, a locking piece is fixed to the top end of the rod body (9), a screw hole (10) is further formed in the middle of the top plate (2), and a screw (11) is provided in the inner thread of the screw hole (10).

2. The bearing outer ring disassembly device according to claim 1, characterized in that: The locking member comprises a washer (12) and a locking nut (13), wherein the washer (12) is sleeved on the end of the rod body (9), and the locking nut (13) is threadedly arranged at the end of the rod body (9) and located above the washer (12).

3. The bearing outer ring disassembly device according to claim 1, characterized in that: A lower slider (14) is symmetrically fixedly provided in the lower notch (3), and a lower groove (15) is symmetrically formed on the lower groove block (4), and the lower slider (14) is slidably matched with the lower groove (15).

4. The bearing outer ring disassembly device according to claim 1, characterized in that: An upper slider (16) is symmetrically fixedly arranged in the upper notch (6), an upper slide groove (17) is symmetrically formed on the upper slot block (7), and the upper slider (16) and the upper slide groove (17) are slidably matched.

5. The bearing outer ring disassembly device according to claim 4, characterized in that: A magnetic block (18) is fixedly provided in the upper slide groove (17), and the magnetic block (18) is magnetically adsorbed and matched with the corresponding upper slider (16).

6. The bearing outer ring removal device according to claim 1, characterized in that: The positioning frame (1) comprises a horizontal plate (19) and vertical plates (20) distributed at both ends of the horizontal plate (19), wherein the lower notch (3) is located on the horizontal plate (19), and the vertical plates (20) are arc-shaped.

7. The bearing outer ring disassembly device according to claim 2, characterized in that: The rod body (9) includes a straight rod portion (21), the straight rod portion (21) is slidably matched with the lower rod hole (5) and the upper rod hole (8), the top end of the straight rod portion (21) is connected to an integral stud portion (22), the washer (12) and the locking nut (13) are used in conjunction with the stud portion (22), and the bottom end of the straight rod portion (21) is connected to an integral drawing portion (23).

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