High-speed shaft bearing dismounting tool
By designing a high-speed bearing disassembly fixture with multiple sets of support rods and positioning rods, the problems of damage and insufficient adaptability during bearing disassembly in the existing technology are solved, and efficient and convenient bearing disassembly operation is achieved.
Patent Information
- Application Number
- CN202520377430.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-06
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2035-03-06
AI Technical Summary
Existing bearing disassembly fixtures are prone to damage to bearings and related components during disassembly, are cumbersome to operate, and are not easy to adjust to shafts of different sizes and heights, thus reducing disassembly efficiency and the practicality of the equipment.
A high-speed bearing disassembly fixture was designed, comprising a base, an adjustment structure, and a disassembly structure. Through the combination of multiple sets of support rods and positioning rods, it achieves stable support and height adjustment for the bearing, simplifies the operation process, and is adaptable to bearings of different sizes and heights.
It improves disassembly efficiency, reduces the skill requirements for maintenance personnel, and enhances the practicality, adaptability, and ease of operation of the equipment.
Smart Images

Figure CN223834453U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of bearing disassembly fixtures; more specifically, it relates to a high-speed shaft bearing disassembly fixture. Background Technology
[0002] High-speed shaft bearing disassembly fixtures refer to a complete set of tools and equipment specifically designed for disassembling bearings on high-speed rotating shafts. These fixtures are designed to remove bearings quickly and accurately while ensuring safety, minimizing damage to the shaft and other components.
[0003] Currently, existing bearing disassembly fixtures, when used with simple tools, not only consume a lot of manpower but are also prone to damage to bearings and related components due to uneven force application, affecting the subsequent normal operation of the equipment. Some complex disassembly fixtures have cumbersome operating procedures, require high skills from maintenance personnel, and have low disassembly efficiency, reducing the work efficiency of staff. Moreover, most existing equipment is not convenient for height adjustment and is mostly only suitable for shafts and bearings of specific sizes. When dealing with shafts of different sizes or heights, the fixture may not be able to align correctly, increasing the difficulty of disassembly and reducing the practicality of the equipment to some extent. Therefore, there is an urgent need for a high-speed shaft bearing disassembly fixture to solve the above problems. Utility Model Content
[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides a high-speed shaft bearing disassembly fixture to solve the problems existing in the background art.
[0005] This utility model provides the following technical solution: a high-speed shaft bearing disassembly fixture, comprising:
[0006] The base has an adjustment structure at its upper end, and the adjustment structure has multiple sets, with a disassembly structure at the upper end of each set of adjustment structures.
[0007] The adjustment structure includes a first support rod and a second support rod, and the lower end of the first support rod is hinged to the outer surface of the upper end of the base;
[0008] The disassembly structure includes a mounting plate, and the outer surface of the mounting plate is hinged to the outer surface of the upper end of the second support rod.
[0009] Preferably, a second support rod is inserted inside the outer surface of the upper end of the first support rod, and a tightening bolt is threaded onto the outer surface of one side of the upper end of the first support rod. This design allows the height of the disassembled structure to be adjusted when the second support rod moves.
[0010] Preferably, a limiting block is provided at the bottom of the second support rod, and the external dimensions of the limiting block are adapted to the internal dimensions of the first support rod. This design allows the second support rod to move inside the first support rod, and the movement is more stable.
[0011] Preferably, the disassembly structure further includes a movable groove, and multiple sets of movable grooves are provided. All sets of movable grooves are opened inside the upper outer surface of the mounting plate. A connecting rod is inserted inside the movable groove, and a limit cap is threadedly connected to the upper outer surface of the connecting rod. A positioning rod is threadedly connected to the lower inner surface of the connecting rod. A threaded rod is threadedly connected to the middle position of the mounting plate, and a rotating handle is fixedly connected to the upper end of the threaded rod. A disassembly head is fixedly connected to the bottom surface of the threaded rod. This design allows the threaded rod to move up or down inside the mounting plate by rotating the rotating handle.
[0012] Preferably, the upper end of the connecting rod is provided with a threaded post, and the external dimensions of the threaded post are adapted to the internal dimensions of the moving groove. The outer diameter of the threaded post is smaller than the external dimensions of the connecting rod, and the outer diameter of the limiting cap is larger than the width of the moving groove. This design allows the threaded post at the upper end of the connecting rod to move inside the moving groove.
[0013] Preferably, a trapezoidal support block is fixedly connected to the outer surface of the inner side of the lower end of the positioning rod. This design can support the bearing through multiple sets of positioning rods.
[0014] The technical effects and advantages of this utility model are as follows: This utility model supports the bearing by using multiple sets of positioning rods. By rotating the handle, the threaded rod drives the disassembly head to move downward inside the mounting plate, and the bearing is disassembled by the disassembly head. The operation process is simple, the skill requirements for maintenance personnel are low, and the work efficiency of the staff is improved.
[0015] By moving multiple sets of second support rods up or down inside the first support rod, the height of the disassembled structure can be adjusted. At the same time, by moving the connecting rod inside the moving slot, the spacing between the multiple sets of positioning rods can be adjusted. This allows the equipment to adapt to shafts and bearings of different heights and sizes, which improves the practicality of the equipment to a certain extent. Moreover, its overall structure is simple and reasonable in design, highly practical, and easy to promote and apply. Attached Figure Description
[0016] Figure 1 This is a three-dimensional structural diagram of the present invention.
[0017] Figure 2 This is a three-dimensional exploded view of the adjustment structure of this utility model.
[0018] Figure 3This is a three-dimensional exploded view of the disassembly structure of this utility model.
[0019] Figure 4 This is a schematic diagram of the three-dimensional structure of this utility model in use.
[0020] The attached diagram is labeled as follows: 1. Base; 2. Adjustment structure; 21. First support rod; 22. Second support rod; 23. Tightening bolt; 3. Disassembly structure; 31. Mounting plate; 32. Moving groove; 33. Connecting rod; 34. Limit cap; 35. Positioning rod; 36. Threaded rod; 37. Rotating handle; 38. Disassembly head. Detailed Implementation
[0021] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. In addition, the forms of the various structures described in the following embodiments are merely illustrative. The bearing disassembly fixture involved in this utility model is not limited to the structures described in the following embodiments. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0022] Example 1
[0023] like Figures 1-4 As shown, this embodiment proposes a high-speed shaft bearing disassembly fixture, including:
[0024] The base 1 has an adjustment structure 2 at its upper end, and the adjustment structure 2 has multiple sets, with a disassembly structure 3 at the upper end of each set of adjustment structures 2.
[0025] A second support rod 22 is inserted into the inner surface of the upper outer surface of the first support rod 21, and a tightening bolt 23 is threadedly connected to the outer surface of one side of the upper end of the first support rod 21. A limit block is provided at the bottom of the second support rod 22. This design allows the second support rod 22 to move inside the first support rod 21, and the movement is more stable. The external dimensions of the limit block are adapted to the internal dimensions of the first support rod 21.
[0026] In this embodiment, the second support rod 22 can move inside the first support rod 21, and the limiting block makes the movement of the second support rod 22 more stable, and prevents the second support rod 22 from leaving the interior of the first support rod 21 when it moves.
[0027] Example 2
[0028] like Figure 3 and Figure 4 As shown, based on the same concept as the above embodiments, this embodiment also proposes:
[0029] The disassembly structure 3 also includes a moving groove 32, and multiple sets of moving grooves 32 are provided. All sets of moving grooves 32 are located inside the upper outer surface of the mounting plate 31. A connecting rod 33 is inserted inside the moving groove 32, and a limit cap 34 is threadedly connected to the upper outer surface of the connecting rod 33. A positioning rod 35 is threadedly connected to the lower end of the connecting rod 33. A trapezoidal support block is fixedly connected to the inner outer surface of the lower end of the positioning rod 35. A threaded rod 36 is threadedly connected to the middle position of the mounting plate 31, and a rotating handle 37 is fixedly connected to the upper end of the threaded rod 36. A disassembly head 38 is fixedly connected to the bottom surface of the threaded rod 36. The upper end of the connecting rod 33 is provided with... The threaded post has an external dimension that matches the internal dimension of the moving groove 32, and the external diameter of the threaded post is smaller than the external dimension of the connecting rod 33. The external diameter of the limiting cap 34 is larger than the internal width of the moving groove 32. This design allows the threaded post at the upper end of the connecting rod 33 to be inserted into the moving groove 32 and to move within the moving groove 32. The threaded post is threaded to the top of the connecting rod 33 through the limiting cap 34, so that the bottom surface of the limiting cap 34 abuts against the upper surface of the mounting plate 31, and the upper surface below the threaded post of the connecting rod 33 abuts against the bottom surface of the mounting plate 31. This allows the position of the connecting rod 33 to be positioned.
[0030] A trapezoidal support block is fixedly connected to the outer surface of the inner side of the lower end of multiple positioning rods 35. This design allows the support block to support the bearing. At the same time, the position of the positioning rod 35 can be adjusted synchronously by adjusting the position of the connecting rod 33, thereby enabling the equipment to adapt to bearings of different specifications.
[0031] Working principle: When the equipment is in use, rotate the clamping bolt 23 counterclockwise so that one end of the clamping bolt 23 no longer abuts against one side surface of the second support rod 22. Move the second support rod 22 outward or inward according to the shaft height, and make the first support rod 21 and the second support rod 22 rotate synchronously. After moving to the appropriate position, rotate the clamping bolt 23 clockwise to position the second support rod 22. Then, insert multiple sets of connecting rods 33 from the bottom of the moving groove 32 upward. Then, thread the limit cap 34 to the upper end of the connecting rod 33. Next, thread the positioning rod 35 to the bottom of the connecting rod 33. Move the connecting rod 33 according to the size of the bearing so that the lower end of the positioning rod 35 is outward. The bearing bottom is supported by the surface. Then, the limiting cap 34 is rotated again so that the bottom surface of the limiting cap 34 abuts against the upper surface of the mounting plate 31, and the upper surface of the threaded post of the connecting rod 33 abuts against the bottom surface of the mounting plate 31. This positions the connecting rod 33. Then, the rotating handle 37 is rotated so that the threaded rod 36 rotates and moves downward. When the disassembly head 38 abuts against the center of the shaft, the rotating handle 37 is rotated again so that the disassembly head 38 pushes the shaft away from the bearing. This completes the disassembly of the bearing. The above operation can be repeated to disassemble the equipment for easy storage. This is the complete working principle of this utility model.
[0032] Finally, the following points should be noted: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", and "linkage" should be interpreted broadly, and can be mechanical or electrical connections, or internal connections between two components, or direct connections. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may change.
[0033] Secondly: The accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.
[0034] In conclusion, the above are merely preferred embodiments of this utility model and are not intended to limit this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A high-speed shaft bearing disassembly fixture, characterized in that, include: The base (1) has an adjustment structure (2) at its upper end, and the adjustment structure (2) has multiple sets, with a disassembly structure (3) at the upper end of each set of adjustment structures (2). The adjustment structure (2) includes a first support rod (21) and a second support rod (22), and the lower end of the first support rod (21) is hinged to the outer surface of the upper end of the base (1); The disassembly structure (3) includes a mounting plate (31), and the outer surface of the mounting plate (31) is hinged to the outer surface of the upper end of the second support rod (22).
2. The high-speed shaft bearing disassembly fixture according to claim 1, characterized in that: A second support rod (22) is inserted inside the outer surface of the upper end of the first support rod (21), and a tightening bolt (23) is threadedly connected to the outer surface of one side of the upper end of the first support rod (21).
3. The high-speed shaft bearing disassembly fixture according to claim 2, characterized in that: The bottom of the second support rod (22) is provided with a limiting block, and the external dimensions of the limiting block are adapted to the internal dimensions of the first support rod (21).
4. The high-speed shaft bearing disassembly fixture according to claim 1, characterized in that: The disassembly structure (3) also includes a moving groove (32), and multiple sets of moving grooves (32) are provided. All sets of moving grooves (32) are opened inside the upper outer surface of the mounting plate (31). A connecting rod (33) is inserted inside the moving groove (32). A limit cap (34) is threadedly connected to the upper outer surface of the connecting rod (33). A positioning rod (35) is threadedly connected to the lower end of the connecting rod (33). A threaded rod (36) is threadedly connected to the middle position of the mounting plate (31). A rotating handle (37) is fixedly connected to the upper end of the threaded rod (36). A disassembly head (38) is fixedly connected to the bottom surface of the threaded rod (36).
5. The high-speed shaft bearing disassembly fixture according to claim 4, characterized in that: The upper end of the connecting rod (33) is provided with a threaded post, and the external dimensions of the threaded post are adapted to the internal dimensions of the moving groove (32). The outer diameter of the threaded post is smaller than the external dimensions of the connecting rod (33), and the outer diameter of the limiting cap (34) is larger than the internal width of the moving groove (32).
6. The high-speed shaft bearing disassembly fixture according to claim 4, characterized in that: A trapezoidal support block is fixedly connected to the outer surface of the inner side of the lower end of the positioning rod (35).