Double-bearing pulley belt space ring dismounting tool

By designing the tooling for disassembly of the double bearing pulley with spacer ring, the problem of bearings being unable to be reused when replacing pulleys is solved, efficient removal and secondary use of bearings are achieved, and maintenance costs are reduced.

CN222818806UActive Publication Date: 2025-05-02SHANDONG PORT BOHAI BAY PORT GRP CO LTD +1
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Patent Information

Application Number
CN202421791489.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-27
Publication Date
2025-05-02
Estimated Expiration
2034-07-27

AI Technical Summary

Technical Problem

In the prior art, when replacing pulleys, the bearings are usually replaced together, resulting in the inability to reuse the bearings, which adds additional costs.

Method used

A dual bearing pulley removal tool set with partition ring is designed, including a high-strength round load-bearing disc and a high-strength fan-shaped load-bearing disc. It is fixed by high-strength bolts and is forced by jacks to easily disassemble and replace the bearings.

Benefits of technology

This tooling makes the bearing less prone to damage during disassembly, facilitates secondary use, reduces maintenance costs, and improves the efficiency of replacing pulleys.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222818806U_ABST
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Abstract

The utility model provides a dismounting tool for a double-bearing pulley with a space ring, and relates to the technical field of dismounting tools for double-bearing pulleys, the dismounting tool comprises a high-strength round bearing disc and a high-strength fan-shaped bearing disc, the high-strength fan-shaped bearing disc is arranged below the high-strength round bearing disc, a lower bearing is arranged on the side face of the high-strength fan-shaped bearing disc, and the lower bearing is arranged on the side face of the high-strength fan-shaped bearing disc. An upper bearing is arranged on the other side of the high-strength fan-shaped bearing disc, and space rings are arranged in the lower bearing and the upper bearing. The high-strength fan-shaped bearing disc is placed in the middle of the interval between the lower bearing and the upper bearing, then the high-strength round bearing disc and the high-strength fan-shaped bearing disc are fixed through the high-strength bolts, then one end of the lacing wire is inserted into the round hole formed in the high-strength round bearing disc to be fixed, and then the two jacks are used for lifting the lacing wire. And the bearing can be taken out by pushing the two ends of the transverse plate to apply force, operation is convenient and fast, it is guaranteed that the bearing cannot be damaged in the dismounting process, secondary use of the bearing is facilitated, and cost is saved.
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Description

Technical Field

[0001] The utility model relates to the technical field of double-bearing pulley disassembly tooling, in particular to a double-bearing pulley with spacer disassembly tooling. Background Art

[0002] At present, in order to meet the requirements of high load and high reliability, many large equipment have an increasing demand for matching pulley sets. The replacement of pulleys in large-scale dock equipment is very frequent. When replacing pulleys, there are also many cases where the pulleys are damaged but the bearings can be used normally. Usually one pulley is equipped with two sets of bearings.

[0003] In the past disassembly process, since there is a spacer between the two bearings and the bearing retainer is made of copper, forceful disassembly will inevitably damage the bearing and make it impossible to reuse it. At present, when replacing the pulley, the bearing is replaced together and no longer used. However, many bearings are imported products. Replacing them all with new ones will inevitably increase additional costs, resulting in high costs. Utility Model Content

[0004] The purpose of the utility model is to solve the problem in the prior art that when replacing a pulley, the bearing is replaced together and the pulley is no longer used. However, many bearings are imported products, and replacing all of them will inevitably increase additional costs, resulting in high costs. A double-bearing pulley with spacer disassembly tool is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a double-bearing pulley with spacer disassembly tool, comprising a high-strength circular load-bearing plate and a high-strength fan-shaped load-bearing plate, the high-strength fan-shaped load-bearing plate is arranged below the high-strength circular load-bearing plate, a lower bearing is arranged on the side of the high-strength fan-shaped load-bearing plate, an upper bearing is arranged on the other side of the high-strength fan-shaped load-bearing plate, spacers are arranged inside the lower bearing and the upper bearing, a tie rod is arranged at the center of the high-strength circular load-bearing plate, and a cross plate is arranged at one end of the tie rod.

[0006] Preferably, jacks are provided at both ends of the transverse plate, and a pulley is provided at one end of the jack.

[0007] Preferably, high-strength bolts are provided through the interior of the high-strength circular load-bearing plate and the high-strength fan-shaped load-bearing plate.

[0008] Preferably, the high-strength circular load-bearing plate is circular, and the high-strength fan-shaped load-bearing plate is fan-shaped.

[0009] Preferably, a circular hole is opened inside the high-strength circular load-bearing plate, and one end of the tie rod passes through the circular hole.

[0010] Compared with the prior art, the advantages and positive effects of the utility model are:

[0011] In the utility model, the high-strength fan-shaped load-bearing plate is dismantled, and then the high-strength fan-shaped load-bearing plate is placed in the middle of the interval between the lower bearing and the upper bearing, and then the high-strength round load-bearing plate and the high-strength fan-shaped load-bearing plate are fixed with high-strength bolts, the cross plate and the tie rod are fixed by welding, and then one end of the tie rod is inserted into the round hole opened inside the high-strength round load-bearing plate for fixing, and after the installation is completed, two jacks are used to support the two ends of the cross plate to apply force to remove the bearing, the operation is convenient and fast, the pulley is convenient to replace, the work efficiency is improved, and at the same time it is beneficial to ensure that the bearing will not be damaged during the disassembly process, which is conducive to the secondary use of the bearing, saving costs, and saving material costs and maintenance costs, reducing repair costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The utility model provides a bottom view structural schematic diagram of a double-bearing pulley with spacer disassembly tool;

[0013] Figure 2 The utility model provides a side view structural schematic diagram of a double-bearing pulley with spacer disassembly tool;

[0014] Figure 3 The utility model provides a schematic diagram of the operating state of a double-bearing pulley with spacer disassembly tool.

[0015] Legend: 1. High-strength round load-bearing plate; 2. High-strength fan-shaped load-bearing plate; 3. Cross plate; 4. Tie rods; 5. High-strength bolts; 6. Spacer; 7. Lower bearing; 8. Upper bearing; 9. Jack; 10. Pulley. DETAILED DESCRIPTION

[0016] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0017] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure. Embodiment 1

[0018] like Figure 1-Figure 3As shown, the utility model provides a technical solution: a double-bearing pulley with spacer disassembly tool, comprising a high-strength circular load-bearing plate 1 and two high-strength fan-shaped load-bearing plates 2, the high-strength fan-shaped load-bearing plate 2 is arranged below the high-strength circular load-bearing plate 1, a lower bearing 7 is arranged on the side of the high-strength fan-shaped load-bearing plate 2, an upper bearing 8 is arranged on the other side of the high-strength fan-shaped load-bearing plate 2, spacers 6 are arranged inside the lower bearing 7 and the upper bearing 8, a tie rod 4 is arranged at the center of the high-strength circular load-bearing plate 1, a cross plate 3 is arranged at one end of the tie rod 4, jacks 9 are arranged at both ends of the cross plate 3, a pulley 10 is arranged at one end of the jack 9, high-strength bolts 5 are arranged through the interior of the high-strength circular load-bearing plate 1 and the high-strength fan-shaped load-bearing plate 2, the high-strength circular load-bearing plate 1 is circular, the high-strength fan-shaped load-bearing plate 2 is fan-shaped, a round hole is opened inside the high-strength circular load-bearing plate 1, and one end of the tie rod 4 passes through the round hole.

[0019] In this embodiment, the high-strength fan-shaped load-bearing plate 2 is removed, and then the high-strength fan-shaped load-bearing plate 2 is placed in the middle of the gap between the lower bearing 7 and the upper bearing 8, and then the high-strength circular load-bearing plate 1 and the high-strength fan-shaped load-bearing plate 2 are fixed with high-strength bolts 5, thereby ensuring the stability and reliability of the high-strength circular load-bearing plate 1 and the high-strength fan-shaped load-bearing plate 2. The size of the installed high-strength circular load-bearing plate 1 is 2mm smaller than the bearing diameter. The outer diameter of the two high-strength fan-shaped load-bearing plates 2 after installation is less than the gap distance between the two bearings by 2mm. The cross plate 3 and the tie rod 4 are fixed by welding, and then one end of the tie rod 4 is inserted into the circular hole opened inside the high-strength circular load-bearing plate 1 for fixing. After the installation is completed, two jacks 9 are used to support the two ends of the cross plate 3 and apply force to remove the bearing. The operation is convenient and fast, which facilitates the replacement of the pulley and improves work efficiency. At the same time, it is beneficial to ensure that the bearing will not be damaged during the disassembly process, which is conducive to the secondary use of the bearing, saving costs, and saving material costs and maintenance costs, thereby reducing maintenance costs.

[0020] The working principle of this embodiment: when in use, first remove the high-strength fan-shaped load-bearing plate 2, then place the high-strength fan-shaped load-bearing plate 2 in the middle of the gap between the lower bearing 7 and the upper bearing 8, and then fix the high-strength circular load-bearing plate 1 and the high-strength fan-shaped load-bearing plate 2 with high-strength bolts 5. The size of the installed high-strength circular load-bearing plate 1 is 2mm smaller than the bearing diameter. The outer diameter of the two high-strength fan-shaped load-bearing plates 2 after installation is 2mm smaller than the gap between the two bearings. The cross plate 3 and the tie rod 4 are fixed by welding, and then one end of the tie rod 4 is inserted into the circular hole opened inside the high-strength circular load-bearing plate 1 for fixing. After the installation is completed, use two jacks 9 to support the two ends of the cross plate 3 and apply force to remove the bearing.

[0021] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A double-bearing pulley with spacer disassembly tool, characterized in that: The invention comprises a high-strength circular load-bearing plate (1) and two high-strength fan-shaped load-bearing plates (2), wherein the high-strength fan-shaped load-bearing plates (2) are arranged below the high-strength circular load-bearing plate (1), a lower bearing (7) is arranged on the side of the high-strength fan-shaped load-bearing plate (2), an upper bearing (8) is arranged on the other side of the high-strength fan-shaped load-bearing plate (2), a spacer (6) is arranged inside the lower bearing (7) and the upper bearing (8), a tie rod (4) is arranged at the center of the high-strength circular load-bearing plate (1), and a transverse plate (3) is arranged at one end of the tie rod (4).

2. The dual-bearing pulley belt spacer disassembly tool according to claim 1, characterized in that: Jacks (9) are provided at both ends of the transverse plate (3), and a pulley (10) is provided at one end of the jack (9).

3. The dual-bearing pulley belt spacer disassembly tool according to claim 1, characterized in that: High-strength bolts (5) are provided penetratingly inside the high-strength circular load-bearing plate (1) and the high-strength sector-shaped load-bearing plate (2).

4. The dual-bearing pulley belt spacer disassembly tool according to claim 1, characterized in that: The high-strength circular load-bearing plate (1) is circular, and the high-strength sector-shaped load-bearing plate (2) is sector-shaped.

5. The dual-bearing pulley belt spacer disassembly tool according to claim 1, characterized in that: A circular hole is provided inside the high-strength circular load-bearing plate (1), and one end of the tie rod (4) passes through the circular hole.