Reducer gear set dismounting tool

By designing a gearbox disassembly fixture with a fixed frame, a connecting mechanism, and a clamping mechanism, the problem of insufficient adaptability of existing equipment is solved. It enables stable connection and efficient disassembly of gearboxes of different sizes and shapes, improving disassembly efficiency and safety.

CN224129698UActive Publication Date: 2026-04-17SHANGHAI WENAO TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI WENAO TECH CO LTD
Filing Date
2025-05-23
Publication Date
2026-04-17

AI Technical Summary

Technical Problem

Existing gearbox disassembly fixtures are insufficient in terms of adaptability, making it difficult to quickly adapt to gearboxes of different sizes and shapes, thus affecting disassembly efficiency and safety.

Method used

A disassembly fixture comprising a fixing frame, a connecting mechanism, a clamping mechanism, and an adjusting component was designed. Through components such as limit bolts, sliding rods, lead screws, and pneumatic grippers, it enables the stable connection and efficient disassembly of gear sets of different sizes and shapes.

Benefits of technology

It improves the versatility and disassembly efficiency of the tooling, reduces the labor intensity of manual operation, and ensures the stability and safety of the disassembly process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a dismounting tool for a gear set of a speed reducer, and relates to the technical field of mechanical maintenance. Comprising a fixing frame, a plurality of connecting mechanisms are arranged at the bottom of the fixing frame, each connecting mechanism comprises a circular fixing block, a fixing pipe is fixedly connected to one side of each fixing block, a sliding rod is slidably connected to the inner wall of one end of each fixing pipe, a through hole is formed in one side of each fixing pipe in a penetrating mode, and a limiting bolt is installed in each through hole and penetrates through the corresponding sliding rod. Through the arrangement of the connecting mechanism and the clamping mechanism, in the using process, the position of the sliding rod in the fixing pipe is manually adjusted according to the size and shape of a gear set, connection is conducted through a limiting bolt, then the angle of the fixing plate is adjusted, and then the sliding block and the connecting rod are manually operated to slide in a notch formed in the fixing plate; and finally, connection is conducted through the connecting block and the gear set shell, the device can adapt to speed reducer gear sets of different sizes and models, and the universality of the tool is improved.
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Description

Technical Field

[0001] This utility model relates to the field of mechanical maintenance technology, specifically to a disassembly fixture for a speed reducer gear set. Background Technology

[0002] For example, a disassembly fixture for the large gear of a cold shear machine's reducer, as disclosed in patent publication number CN211466226U, involves a first arc-shaped plate whose one end is rotatably connected to a second arc-shaped plate via a rotating shaft. The first and second arc-shaped plates, when combined, form a ring. A mounting base is fixedly connected to the side of the first arc-shaped plate away from the rotating shaft, and a fixing block is fixedly connected to the side of the second arc-shaped plate away from the rotating shaft. A rod is fixedly connected to the side of the fixing block near the mounting base. The side wall of the mounting base has a slot corresponding to the rod, which is inserted into the slot. This fixture features a simple structure, ease of use, low manufacturing cost, single-person operation, reduced manpower, high gear disassembly efficiency, and enhanced safety. By rotating the threaded rod, the first and second arc-shaped plates can be pressed against the large gear, pushing it to separate from the reducer. A snap-fit ​​mechanism facilitates the disassembly and installation of this device.

[0003] However, during the use of the above-mentioned equipment, due to the setting of its internal first arc plate, the gear set of the reducer has different sizes and shapes, making it inconvenient to adjust quickly when adjustment is needed, which reduces its applicability. Therefore, in order to address this situation, we propose a more convenient and practical disassembly fixture to meet the usage requirements. Utility Model Content

[0004] The purpose of this utility model is to provide a disassembly fixture for a speed reducer gear set to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a gearbox disassembly fixture, including a fixing frame, with multiple connecting mechanisms at the bottom of the fixing frame for connecting the gearbox housing. Each connecting mechanism includes a circular fixing block, with a fixing tube fixedly connected to one side of the fixing block. A sliding rod is slidably connected to the inner wall of one end of the fixing tube. A through hole is provided on one side of the fixing tube, and a limit bolt is installed in the through hole. The limit bolt passes through the sliding rod. An adjusting component is provided at one end of the sliding rod. A clamping mechanism is provided at the center of the bottom of the fixing frame for clamping the gear.

[0006] Furthermore, the top of the fixing frame has three equidistant through holes, and a sliding tube is fixedly connected inside the through holes. Guide rods are slidably connected to the inner walls of the two sliding tubes, and a lead screw is rotatably connected to the inner wall of the central sliding tube. A rotating handle is fixedly connected to one end of the lead screw.

[0007] Furthermore, the adjustment assembly includes a cross-shaped fixing plate, which is rotatably connected to a sliding rod. A slot is provided on one side of the fixing plate, and a circular sliding block is slidably connected in the slot. A connecting rod is fixedly connected to the top center of the sliding block, and a connecting block is fixedly connected to one end of the connecting rod.

[0008] Furthermore, the clamping mechanism includes a mounting plate, which is rotatably connected to the top center of the mounting plate and the lead screw, and the top two sides of the mounting plate are connected to the guide rod.

[0009] Furthermore, a support rod is fixedly connected to one side of the bottom of the mounting plate, a support block is fixedly connected to one end of the support rod, clamping rods are connected to both sides of the bottom of the support block, a first limiting block is fixedly connected to one side of one end of the clamping rod, and a through hole is opened on one side of the support block, with a limiting handle threaded into the through hole.

[0010] Furthermore, a pneumatic gripper is installed on the bottom of the mounting plate away from the support rod, and a second limiting block is fixedly connected to the output end of the pneumatic gripper.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] This gearbox disassembly fixture, through the setting of a connecting mechanism and a clamping mechanism, allows for the following steps during use: First, based on the size and shape of the gearbox, the position of the sliding rod inside the fixed tube is manually adjusted and connected using limit bolts. Next, the angle of the fixed plate is adjusted, and then the sliding block and connecting rod are manually operated to slide in the slots opened on the fixed plate. Finally, the connection is made with the gearbox housing through the connecting block. This device can adapt to gearboxes of different sizes and models, improving the versatility of the fixture, making it highly practical and suitable for widespread application.

[0013] At the same time, the clamping mechanism can efficiently disassemble gears using mechanical force, reducing the labor intensity of manual operation and improving disassembly efficiency. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the connection mechanism structure of this utility model;

[0016] Figure 3 This is a schematic diagram of the clamping mechanism of this utility model.

[0017] In the diagram: 1. Fixed frame; 2. Sliding tube; 3. Guide rod; 4. Lead screw; 5. Rotating handle; 6. Connecting mechanism; 601. Fixed block; 602. Fixed tube; 603. Sliding rod; 604. Limit bolt; 605. Fixed plate; 606. Sliding block; 607. Connecting rod; 608. Connecting block; 7. Clamping mechanism; 701. Mounting plate; 702. Support rod; 703. Support block; 704. Clamping rod; 705. First limit block; 706. Limit handle; 707. Pneumatic gripper; 708. Second limit block. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] During the maintenance of reducer gear sets, disassembly fixtures are required. The disassembly fixtures provided by this utility model are specifically designed for gear maintenance operations during reducer gear set maintenance. When using this equipment for maintenance operations, it is necessary to ensure that the disassembly fixtures are installed securely to prevent shaking or falling off during operation and to ensure the safety of maintenance personnel. When operating the rotating handle 5, it is necessary to maintain a uniform rotation speed to avoid unstable movement of the sliding tube 2 due to excessive speed or slowness, which would affect the accuracy of the maintenance operation. When clamping the reducer gear set, it is necessary to ensure that the clamping mechanism 7 is stable and evenly stressed to avoid unnecessary damage to the gear set.

[0020] like Figures 1-3 As shown, this utility model provides a technical solution: a gearbox disassembly fixture, including a fixed frame 1. The bottom of the fixed frame 1 is provided with multiple connecting mechanisms 6 for connecting the gearbox housing. The connecting mechanism 6 includes a circular fixed block 601. A fixed tube 602 is fixedly connected to one side of the fixed block 601. A sliding rod 603 is slidably connected to the inner wall of one end of the fixed tube 602. A through hole is opened through one side of the fixed tube 602. A limit bolt 604 is installed in the through hole. The limit bolt 604 passes through the sliding rod 603. An adjustment component is provided at one end of the sliding rod 603. A clamping mechanism 7 is provided at the center of the bottom of the fixed frame 1 for clamping the gear. Three equidistant through holes are opened at the top of the fixed frame 1. A sliding tube 2 is fixedly connected to the through holes. Guide rods 3 are slidably connected to the inner walls of the two sliding tubes 2. A lead screw 4 is rotatably connected to the inner wall of the central sliding tube 2. A rotating handle 5 is fixedly connected to one end of the lead screw 4.

[0021] like Figure 2As shown, the adjustment assembly includes a cross-shaped fixing plate 605, which is rotatably connected to a sliding rod 603. A slot is provided on one side of the fixing plate 605, and a circular sliding block 606 is slidably connected in the slot. A connecting rod 607 is fixedly connected to the top center of the sliding block 606, and a connecting block 608 is fixedly connected to one end of the connecting rod 607.

[0022] It should be noted that during use, firstly, the fixed block 601 and the fixed frame 1 are connected according to the size and shape of the gear set. Then, the position of the sliding rod 603 inside the fixed tube 602 is manually adjusted and connected by the limit bolt 604. Next, the angle of the fixed plate 605 is adjusted, and the sliding block 606 and the connecting rod 607 are manually operated to slide in the slots opened on the fixed plate 605. Finally, the gear set housing is connected by the connecting block 608. The connecting mechanism 6 can further fine-tune the connection position and angle with the gear set housing, so that the tooling can better adapt to gear set housings of different shapes and positions, improving the convenience and accuracy of operation.

[0023] like Figure 3 As shown, the clamping mechanism 7 includes a mounting plate 701. The top center of the mounting plate 701 is rotatably connected to the lead screw 4. The top two sides of the mounting plate 701 are connected to the guide rod 3. A support rod 702 is fixedly connected to one side of the bottom of the mounting plate 701. A support block 703 is fixedly connected to one end of the support rod 702. Clamping rods 704 are connected to the bottom two sides of the support block 703. A first limiting block 705 is fixedly connected to one side of one end of the clamping rod 704. A through hole is opened on one side of the support block 703. A limiting handle 706 is threaded into the through hole. A pneumatic gripper 707 is installed on the bottom side of the mounting plate 701 away from the support rod 702. A second limiting block 708 is fixedly connected to the output end of the pneumatic gripper 707.

[0024] It should be noted that during use, firstly, the clamping rod 704 on the support block 703 is inserted into the inner wall of the large gear and fixed to the bottom of the large gear by the first limiting block 705. Then, the limiting handle 706 is manually operated to fix the clamping rod 704. At the same time, the pneumatic gripper 707 drives the second limiting block 708 to penetrate into the inner wall of the small gear to complete the same operation. Finally, the handle 5 is manually operated to rotate, and under the action of the sliding tube 2, the lead screw 4 and guide rod 3 move up and down, driving the mounting plate 701 to move and remove the gear. The clamping mechanism 7 can efficiently disassemble the gear by using mechanical force, reducing the labor intensity of manual operation and improving the disassembly efficiency.

[0025] During use, firstly, adjust the angle of the fixing plate 605 according to the size and shape of the gear set. At the same time, manually operate the sliding block 606 and the connecting rod 607 to slide in the slot on the fixing plate 605. Then, connect the gear set housing through the connecting block 608. Next, the clamping rod 704 on the support block 703 penetrates into the inner wall of the large gear and is fixed to the bottom of the large gear through the first limiting block 705. Then, manually operate the limiting handle 706 to fix the clamping rod 704. At the same time, the pneumatic gripper 707 drives the second limiting block 708 to penetrate into the inner wall of the small gear to complete the same operation. Finally, manually operate the rotating handle 5 to make the lead screw 4 and guide rod 3 move up and down under the action of the sliding tube 2, which drives the mounting plate 701 to move and remove the gear. This device can adapt to gear sets of different sizes and models of reducers, improves the versatility of the tooling, and has strong practicality.

[0026] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles of the present invention, the scope of which is defined by the appended embodiments and their equivalents.

Claims

1. A gear set dismounting tool for a speed reducer, comprising a fixing frame, characterized in that: The bottom of the fixing frame is provided with multiple connecting mechanisms for connecting the gear set housing. The connecting mechanism includes a circular fixing block, a fixing tube is fixedly connected to one side of the fixing block, a sliding rod is slidably connected to the inner wall of one end of the fixing tube, a through hole is opened on one side of the fixing tube, a limit bolt is installed in the through hole, the limit bolt passes through the sliding rod, an adjustment component is provided at one end of the sliding rod, and a clamping mechanism is provided at the center of the bottom of the fixing frame for clamping the gear.

2. The gear set dismounting tool of the speed reducer according to claim 1, characterized in that: The top of the fixed frame has three equidistant through holes, and a sliding tube is fixedly connected inside the through holes. Guide rods are slidably connected to the inner walls of the two sliding tubes on both sides, and a lead screw is rotatably connected to the inner wall of the central sliding tube. A rotating handle is fixedly connected to one end of the lead screw.

3. The gear set dismounting tool of the speed reducer according to claim 1, characterized in that: The adjustment assembly includes a cross-shaped fixing plate, which is rotatably connected to a sliding rod. A slot is provided on one side of the fixing plate, and a circular sliding block is slidably connected in the slot. A connecting rod is fixedly connected to the top center of the sliding block, and a connecting block is fixedly connected to one end of the connecting rod.

4. The gear set dismounting tool of the speed reducer according to claim 1, characterized in that: The clamping mechanism includes a mounting plate, which is rotatably connected to the top center of the mounting plate and the lead screw, and the top two sides of the mounting plate are connected to the guide rod.

5. The gear set dismounting tool of claim 4, wherein: A support rod is fixedly connected to one side of the bottom of the mounting plate, and a support block is fixedly connected to one end of the support rod. Clamping rods are connected to both sides of the bottom of the support block. A first limiting block is fixedly connected to one side of one end of the clamping rod. A through hole is opened on one side of the support block, and a limiting handle is threaded into the through hole.

6. The gear set dismounting tool of claim 4, wherein: A pneumatic gripper is installed on the bottom of the mounting plate away from the support rod, and a second limit block is fixedly connected to the output end of the pneumatic gripper.

Citation Information

Patent Citations

  • Speed reducer gearwheel disassembling tool for cold shearing machine

    CN211466226U