Puller device for machine tool bearing maintenance

By designing a puller device with multi-stage telescopic shafts, connecting plates, and elastic bands, the problems of limited applicability and complex operation of existing devices are solved, achieving efficient, safe, and reliable bearing disassembly.

CN223876939UActive Publication Date: 2026-02-06HEBEI JIANZHI CASTING GROUP
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Patent Information

Application Number
CN202423296298.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2026-02-06
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Existing puller devices cannot adapt to bearings of different sizes and types, and are complex to operate, resulting in low disassembly efficiency, poor reliability, and difficulty in meeting diverse usage needs.

Method used

A puller device comprising a main body, a connecting mechanism, and a clamping mechanism was designed. It employs a multi-stage telescopic shaft, a connecting plate, and an elastic band, combined with specially designed pull claws and a rotating ring, to achieve stable fixing and flexible adjustment of bearings, adapting to the disassembly of bearings of different depths and diameters.

Benefits of technology

This improves the applicability and portability of the device, reduces operational intensity, ensures uniform bearing stress, reduces the risk of damage, and enhances disassembly efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of puller devices, and discloses a puller device for machine tool bearing maintenance, which comprises a main body mechanism, a connecting mechanism is arranged at the top of the main body mechanism, and a clamping mechanism is arranged at the top of the connecting mechanism. By arranging the main body mechanism and further arranging the multi-stage telescopic shaft in the main body mechanism, the bearing dismounting device can adapt to dismounting of bearings with various depths and diameters, the application range is greatly widened, by arranging the connecting plate and the elastic belt, it can be ensured that the device is stably fixed, meanwhile, sufficient degree-of-freedom adjustment is provided, and the bearing dismounting efficiency is improved. By arranging a first fixing shaft and a second fixing shaft and assisting with an elastic belt, the operation intensity is remarkably relieved, even a heavy bearing can be easily detached, the portability of the device is further improved, the specially-made pull claw is combined with the rotating ring, it is guaranteed that when external force is applied, the bearing is evenly stressed, the damage risk is reduced, and the device is convenient to use. And the reliability of the device is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a puller device technical field especially relates to a machine tool bearing maintenance is with puller device. BACKGROUND

[0002] In the machine tool industry, bearing as the core component of rotating parts, bears the heavy load transmission and motion conversion function, its operating condition is directly related to the working performance and life of the whole machine, however, under long-term operation, wear, poor lubrication, overheating and other factors will lead to bearing failure frequently, timely and effective maintenance and replacement become crucial.

[0003] The existing dismounting tool can only handle bearings of specific size or type, thereby improving the limitation of the device, the existing puller device often ignores the diversity of actual use occasions, is difficult to adjust the angle or force, reduces the work efficiency, the existing puller device extremely complex dismounting process leads to subsequent maintenance and cleaning become extremely difficult, affect the reliability of long-term use. UTILITY MODEL CONTENT

[0004] To solve the above technical problems, the utility model provides a machine tool bearing maintenance is with puller device.

[0005] The utility model adopts the following technical scheme realization: a machine tool bearing maintenance is with puller device, including main body mechanism, the top of main body mechanism is provided with connecting mechanism, the top of connecting mechanism is provided with clamping mechanism,

[0006] The main body mechanism includes a bottom plate, the top of the bottom plate is fixedly connected with a fixed frame, the fixed frame is fixedly connected with a base in, the base is fixedly connected with a first telescopic shaft in, the first telescopic shaft is sleeved with a second telescopic shaft, the second telescopic shaft extends to one side of the first telescopic shaft, and the second telescopic shaft is fixedly connected with a puller on one side.

[0007] As a further improvement of the above scheme, the top of the bottom plate is fixedly connected with a pad, the top of the pad is fixedly connected with a pad block, the top of the pad block is provided with a groove, the groove is connected with a connecting block, and the connecting block is fixedly connected with the fixed frame.

[0008] As a further improvement of the above scheme, the connecting mechanism includes a first fixed shaft, the surface of the first fixed shaft is sleeved with a connecting plate, the side, away from the first fixed shaft, of the connecting plate is sleeved with a second fixed shaft, the two sides of the second fixed shaft are fixedly connected with a first rotating shaft, the surface of the first rotating shaft is sleeved with an elastic band, and the first rotating shaft is rotatably connected with a second rotating shaft through the elastic band.

[0009] As a further improvement of the above-mentioned scheme, one side of the first fixed shaft is fixedly connected with a fixed ring, the fixed ring is fixedly connected to the surface of the first telescopic shaft, one side of the second rotating shaft is fixedly connected with a sleeving ring, and the sleeving ring is sleeved on the surface of the second telescopic shaft.

[0010] Through the above technical scheme, by setting the main body mechanism, and then through the multi-stage telescopic shaft arranged in the main body mechanism, various depths and diameters of the bearing can be disassembled, the application range is greatly widened, the connecting plate and the elastic band are arranged, the device can be stably fixed, and sufficient freedom adjustment is given, and work at different angles is facilitated.

[0011] As a further improvement of the above-mentioned scheme, the clamping mechanism comprises a rotating ring, the rotating ring is sleeved on the surface of the second telescopic shaft, and the rotating ring is fixedly connected with the pull claw.

[0012] Through the above technical scheme, by setting the first fixed shaft and the second fixed shaft, and with the assistance of the elastic band, the operation strength is significantly reduced, even heavy-duty bearings can be easily disassembled, the portability of the device is improved, the special pull claw is combined with the rotating ring, the bearing is uniformly stressed when external force is applied, the damage risk is reduced, and the reliability of the device is improved.

[0013] As a further improvement of the above-mentioned scheme, the pull claw has three.

[0014] Through the above technical scheme, by setting the main body mechanism, and then through the gasket and the pad block arranged in the main body mechanism, a solid base is provided, the overall structure is stable, the work process is accelerated, and the safety of the device is improved.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The utility model discloses a bearing dismounting device, including main body mechanism, the first telescopic shaft and the second telescopic shaft, the main body mechanism is fixedly connected with the first telescopic shaft, the first telescopic shaft is fixedly connected with the second telescopic shaft, the second telescopic shaft is fixedly connected with the bearing, the first telescopic shaft is fixedly connected with the second telescopic shaft, and the second telescopic shaft is fixedly connected with the bearing. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole structure schematic view of the utility model;

[0018] Figure 2 It is the main body mechanism structure schematic view of the utility model;

[0019] Figure 3 It is the connecting mechanism structure schematic view of the utility model;

[0020] Figure 4 It is the clamping mechanism structure schematic view of the utility model.

[0021] Main symbol explanation:

[0022] 1, main body mechanism;101, bottom plate;102, fixed frame;103, first telescopic shaft;104, second telescopic shaft;105, pull claw;2, connecting mechanism;201, first fixed shaft;202, second fixed shaft;203, first rotating shaft;204, second rotating shaft;205, fixed ring;206, sleeve ring;3, clamping mechanism;301, rotating ring. Specific implementation

[0023] Below, combining with the specific implementation of the drawings, the utility model is further described, it needs to be explained that, under the premise of not conflicting, the following description of each embodiment or each technical feature between can be arbitrarily combined to form new embodiment.

[0024] Embodiment:

[0025] Please combine Figures 1-4 The puller device for machine tool bearing maintenance of the embodiment, including main body mechanism 1, the top of main body mechanism 1 is provided with connecting mechanism 2, the top of connecting mechanism 2 is provided with clamping mechanism 3;

[0026] Main body mechanism 1 includes bottom plate 101, the top of bottom plate 101 is fixedly connected with fixed frame 102, fixed frame 102 is fixedly connected with base in, the base is fixedly connected with first telescopic shaft 103 in, first telescopic shaft 103 is sleeved with second telescopic shaft 104, second telescopic shaft 104 extends to the side of first telescopic shaft 103, and the side of second telescopic shaft 104 is fixedly connected with pull claw 105.

[0027] The top of bottom plate 101 is fixedly connected with pad plate, the top of pad plate is fixedly connected with pad block, the top of pad block is provided with recess, and the recess is connected with connecting block, and the connecting block is fixedly connected with fixed frame 102.

[0028] The connecting mechanism 2 comprises a first fixed shaft 201, the surface of the first fixed shaft 201 is sleeved with a connecting plate, the side, away from the first fixed shaft 201, of the connecting plate is sleeved with a second fixed shaft 202, the two sides of the second fixed shaft 202 are fixedly connected with first rotating shafts 203, the surface of the first rotating shafts 203 is sleeved with elastic bands, and the first rotating shafts 203 are rotationally connected with second rotating shafts 204 through the elastic bands.

[0029] One side of the first fixed shaft 201 is fixedly connected with a fixed ring 205, the fixed ring 205 is fixedly connected to the surface of the first telescopic shaft 103, one side of the second rotating shaft 204 is fixedly connected with a sleeving ring 206, and the sleeving ring 206 is sleeved on the surface of the second telescopic shaft 104.

[0030] The clamping mechanism 3 comprises a rotating ring 301, the rotating ring 301 is sleeved on the surface of the second telescopic shaft 104, and the rotating ring 301 is fixedly connected with the pull claw 105.

[0031] The pull claw 105 has three.

[0032] The implementation principle of one of the embodiments is that the connecting block is combined with the fixed frame 102, the first telescopic shaft 103 and the second telescopic shaft 104 are nested to form a stretching main shaft, the stretching main shaft is ready to bear the pulling force, the rotating ring 301 drives the pull claw 105 to approach the bearing until the pull claw 105 is attached to the surface of the bearing, the target is preliminarily fixed, the first fixed shaft 201 and the second fixed shaft 202 are relatively rotated, the tension between the elastic band and the first rotating shaft 203 and the second rotating shaft 204 is used to generate an outward pulling effect, the pressure is gradually applied to the bearing, the positions of the first telescopic shaft 103 and the second telescopic shaft 104 are adjusted according to the situation, the elastic band and the sleeving ring 206 are set to ensure that the pulling force is stably output, and the force output instantaneously is prevented from being too large, so that the bearing is damaged.

[0033] The above-mentioned embodiment is only a preferred embodiment of the utility model, and cannot be used to limit the range of protection of the utility model, and any non-substantial change and replacement made by the person skilled in the art on the basis of the utility model belongs to the range of protection required by the utility model.

Claims

1. A puller device for machine tool bearing repair, characterized in that Including the main body mechanism (1), the top of the main body mechanism (1) is provided with a connecting mechanism (2), and the top of the connecting mechanism (2) is provided with a clamping mechanism (3); The main body mechanism (1) comprises a bottom plate (101), a fixed frame (102) is fixedly connected to the top of the bottom plate (101), a base is fixedly connected in the fixed frame (102), a first telescopic shaft (103) is fixedly connected in the base, a second telescopic shaft (104) is sleeved in the first telescopic shaft (103), the second telescopic shaft (104) extends to one side of the first telescopic shaft (103), and a pull claw (105) is fixedly connected to one side of the second telescopic shaft (104).

2. A drawbar device for machine tool bearing maintenance as claimed in claim 1, characterised in that: The top of the bottom plate (101) is fixedly connected with a backing plate, the top of the backing plate is fixedly connected with a cushion block, the top of the cushion block is provided with a groove, and the groove is connected with a connecting block.

3. A drawbar device for machine tool bearing maintenance as claimed in claim 1, characterised in that: The connecting mechanism (2) comprises a first fixed shaft (201), the surface of the first fixed shaft (201) is sleeved with a connecting plate, the side, away from the first fixed shaft (201), of the connecting plate is sleeved with a second fixed shaft (202), both sides of the second fixed shaft (202) are fixedly connected with a first rotating shaft (203), the surface of the first rotating shaft (203) is sleeved with an elastic band, and the second rotating shaft (204) is rotatably connected to the first rotating shaft (203) through the elastic band.

4. A drawbar device for machine tool bearing maintenance as claimed in claim 3, characterised in that: One side of the first fixed shaft (201) is fixedly connected with a fixed ring (205), the fixed ring (205) is fixedly connected to the surface of the first telescopic shaft (103), one side of the second rotating shaft (204) is fixedly connected with a sleeving ring (206), and the sleeving ring (206) is sleeved on the surface of the second telescopic shaft (104).

5. A drawbar device for machine tool bearing maintenance as claimed in claim 1, characterised in that: The clamping mechanism (3) comprises a rotating ring (301), the rotating ring (301) is sleeved on the surface of the second telescopic shaft (104), and the rotating ring (301) is fixedly connected with the pull claw (105).

6. A drawbar device for machine tool bearing maintenance as claimed in claim 5, characterised in that: The pull claw (105) has three.