Mechanical equipment transmission chain capable of self-adapting to load change
By improving the chain structure and adopting a design with pins, chain plates, fixing blocks, and fixing mechanisms, the problem of requiring multiple tools to disassemble the chain in existing technologies has been solved. This enables rapid chain replacement and stable transmission, improving equipment maintenance efficiency and service life.
Patent Information
- Application Number
- CN202520001321.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-02
- Publication Date
- 2025-10-31
- Estimated Expiration
- 2035-01-02
AI Technical Summary
Existing mechanical transmission chains that can adapt to varying loads require multiple tools for disassembly and replacement, and different equipment may require different specialized tools, leading to maintenance delays, especially in emergency situations.
A mechanical equipment transmission chain structure was designed, comprising a pin, chain plate, connecting plate, fixing block, spring, and fixing mechanism. Through the cooperation of sliding block and cylindrical rod, the chain links can be quickly replaced and fixed, simplifying the disassembly process. The combination of fixing plate and screws ensures the stability and safety of the device under different working conditions.
It enables quick chain replacement and maintenance, prevents chain link damage caused by prolonged use, improves equipment lifespan and maintenance efficiency, and ensures stable transmission performance under different load conditions.
Smart Images

Figure CN223498565U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of mechanical transmission technology, and in particular to a mechanical equipment transmission chain that can adapt to changes in load. Background Technology
[0002] A drive chain is a component used to transmit mechanical power. It typically consists of interconnected chain links and is mainly used to connect two or more sprockets. The rotation of the sprockets drives the chain in a cyclical motion, thus transmitting power from one shaft to another, achieving power transmission in mechanical devices. However, when the chain tension or friction is too high, it may lead to excessive wear or tensile deformation. Therefore, adaptive load-bearing drive chains have emerged. In automotive engine assembly lines, numerous automated devices work collaboratively. Adaptive load-bearing drive chains are used to connect the joints and power sources of various assembly robots, or to transmit power in conveyor belt systems. They can sense changes in load during operation and automatically adjust their working state to ensure good transmission performance under different load conditions. When the load on the chain exceeds its design capacity, overload occurs, causing chain deformation. Once permanent deformation occurs, it will damage the chain pitch accuracy, preventing proper meshing between the chain and sprockets, leading to skipped teeth and chain derailment. Therefore, replacing and disassembling the chain becomes a critical issue.
[0003] In existing technologies, adaptive load-changing mechanical transmission chains consist of chain plates, pins, bushings, rollers, elastic elements, and sensors. Disassembling and replacing these chains on a machining production line requires specialized chain disassembly tools. The equipment must be in a safe condition to prevent accidents during disassembly. Using appropriate tools and following the correct method, the chain tensioning device must be loosened. This step is crucial; if the tensioning device is not fully loosened, the chain will experience uneven stress during disassembly, potentially damaging the chain or other components. This method requires numerous tools for disassembly, and different mechanical transmission chains may require different specialized tools. Finding and preparing these tools can be cumbersome, especially in emergency repair situations, potentially delaying maintenance. Utility Model Content
[0004] To overcome the above shortcomings, this utility model provides a mechanical equipment transmission chain that can adapt to changes in load, aiming to improve the problem in the prior art that disassembling the device requires a large number of tools, and different chains may require different special tools, which delays maintenance time.
[0005] To achieve the above objectives, the present invention adopts the following technical solution: a mechanical equipment transmission chain adaptable to load changes, comprising a pin, a chain plate slidably connected to the top of the outer wall of the pin, a connecting plate fixedly connected to the outer side of the chain plate, a fixing block fixedly connected to the top of the pin, a spring fixedly connected to the inner side of the pin, baffles fixedly connected to both the left and right sides of the spring, a cylindrical rod fixedly connected to the left side of the baffle, a sliding block slidably connected to the outer wall of the bottom end of the chain plate, and a fixing mechanism provided on the outer side of the pin, the fixing mechanism being used to fix the equipment.
[0006] As a further description of the above technical solution:
[0007] The fixing mechanism includes a fixing plate one, the left side of the fixing block is fixedly connected to the right side of the fixing plate one, a screw is threadedly connected to the inner wall of the top of the fixing plate one, a washer is slidably connected to the outer wall of the screw, threaded holes are opened on both the left and right sides of the top of the chain plate, a limit hole is opened on the front side of the top of the chain plate, a fixing plate two is fixedly connected to the outer wall of the front side of the fixing block, and a limit post is slidably connected to the inner side of the fixing plate two.
[0008] As a further description of the above technical solution:
[0009] The outer wall of the pin is fixedly connected with a mark.
[0010] As a further description of the above technical solution:
[0011] A decorative block is fixedly connected to the top of the connecting plate.
[0012] As a further description of the above technical solution:
[0013] A protective block is fixedly connected to the top of the chain plate.
[0014] As a further description of the above technical solution:
[0015] The outer side of the cylindrical rod is slidably connected to the inner side of the pin.
[0016] This utility model has the following beneficial effects:
[0017] 1. In this utility model, when replacing a chain link, pressing the sliding block at the bottom of the chain plate will cause the sliding block to squeeze the cylindrical rod, thereby pushing the baffle to move into the pin shaft and compressing the spring. After the cylindrical rod is fully inserted into the pin shaft, the fixing block is pulled to move the pin shaft upward. After the cylindrical rod passes through the inner side of the chain plate, the spring will eject the cylindrical rod from the pin shaft, completing the reset. This allows for the replacement and maintenance of each chain link, preventing damage caused by excessive pressure on some chain links due to prolonged use.
[0018] 2. In this utility model, to ensure further stability of the device, a first fixing plate is installed on both sides of the fixing block, and a second fixing plate is installed on the front side. The limiting post is inserted into the inner side of the second fixing plate so that it enters the chain plate to prevent shaking. Then, screws are screwed into the threaded holes to ensure that the first fixing plate is firmly fixed to the surface of the chain plate. This can further fix the device and prevent the device from being unstable during use, which would increase the pressure on the chain links and reduce the service life of the equipment. Attached Figure Description
[0019] Figure 1 This is a three-dimensional view of the front of the markings of the mechanical equipment transmission chain that can adapt to changes in load, as proposed in this utility model.
[0020] Figure 2 This is a partial structural exploded view of the connecting plate of the mechanical equipment transmission chain that can adapt to changes in load, as proposed in this utility model.
[0021] Figure 3 This is a partial structural diagram of the chain plate of the mechanical equipment transmission chain that can adapt to changes in load, as proposed in this utility model.
[0022] Figure 4 This is a partial structural diagram of the pin shaft of the mechanical equipment transmission chain that can adapt to changes in load, as proposed in this utility model.
[0023] Figure 5 This is a partial structural diagram of the spring in the mechanical equipment transmission chain that can adapt to changes in load, as proposed in this utility model.
[0024] Legend:
[0025] 1. Pin; 2. Fixing mechanism; 201. Fixing plate one; 202. Washer; 203. Screw; 204. Fixing plate two; 205. Limiting post; 206. Threaded hole; 207. Limiting hole; 3. Chain plate; 4. Connecting plate; 5. Fixing block; 6. Spring; 7. Baffle; 8. Cylindrical rod; 9. Sliding block; 10. Decorative block; 11. Protective block; 12. Marker. Detailed Implementation
[0026] 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.
[0027] Please see the appendix Figure 1 Appendix Figure 4 and attached Figure 5This utility model provides an embodiment of a mechanical equipment transmission chain adaptable to load changes, including a pin 1, a chain plate 3 slidably connected to the top of the outer wall of the pin 1, a connecting plate 4 fixedly connected to the outer side of the chain plate 3, a fixing block 5 fixedly connected to the top of the pin 1, and a spring 6 fixedly connected to the inner side of the pin 1. The slidable connection between the upper end of the outer wall of the pin 1 and the chain plate 3 ensures smooth movement and precise coordination between the two. The fixed connection between the outer side of the chain plate 3 and the connecting plate 4 takes into account structural stability and ease of operation. The fixed connection between the inner side of the fixing block 5 and the chain plate 3 ensures smooth movement and precise coordination between the two. A spring 6 provides necessary elastic support. Baffles 7 are fixedly connected to both the left and right sides of the spring 6. A cylindrical rod 8 is fixedly connected to the left side of the baffle 7. A sliding block 9 is slidably connected to the bottom outer wall of the chain plate 3. A fixing mechanism 2 is provided on the outside of the pin 1. The fixing mechanism 2 is used to fix the equipment. The bottom outer wall of the chain plate 3 is slidably connected to the sliding block 9, so that the entire mechanical structure can achieve flexible displacement and adjustment during operation. The fixing mechanism 2 takes into account the ease of operation and the long-term stability of the equipment, ensuring reliable fixation of the equipment in various working environments.
[0028] Please see the appendix Figure 2 and attached Figure 3 The fixing mechanism 2 includes a fixing plate 201. The left side of the fixing block 5 is fixedly connected to the right side of the fixing plate 201. A screw 203 is threadedly connected to the inner wall of the top of the fixing plate 201, and a washer 202 is slidably connected to the outer wall of the screw 203. The left side of the fixing block 5 is fixedly connected to the right side of the fixing plate 201, ensuring the stability and reliability between the two. The screw 203 is threadedly connected to the inner wall of the top of the fixing plate 201, and the outer wall of the screw 203 is slidably connected to the washer 202, which not only ensures the flexibility of the connection but also ensures the stability under pressure. Threaded holes 206 are provided on both the left and right sides of the top of plate 3. Limiting holes 207 are provided on the front side of the top of chain plate 3. A second fixing plate 204 is fixedly connected to the front outer wall of the fixing block 5. The limiting holes 207 are provided on the front side of the top of chain plate 3 to limit the movement of chain plate 3 within a specific range, ensuring the accuracy and safety of the mechanical device during operation. The front outer wall of the fixing block 5 is fixedly connected to the second fixing plate 204, ensuring stable cooperation between the second fixing plate 204 and the fixing block 5 under various working conditions. A limiting post 205 is slidably connected to the inner side of the second fixing plate 204.
[0029] Please see the appendix Figure 1 Appendix Figure 2 and attached Figure 4A mark 12 is fixedly connected to the middle of the outer wall of the pin 1. A decorative block 10 is fixedly connected to the top of the connecting plate 4. A protective block 11 is fixedly connected to the top of the chain plate 3. The outer side of the cylindrical rod 8 is slidably connected to the inner side of the pin 1. The mark 12 is fixedly connected to the middle of the outer wall of the pin 1. The mark 12 serves as a marker. The decorative block 10 is fixedly connected to the top of the connecting plate 4, which not only beautifies the device but also reflects the designer's exquisite attention to detail. The protective block 11 is fixedly connected to the top of the chain plate 3, which not only protects the chain plate 3 but also ensures the safe operation of the entire device. The outer side of the cylindrical rod 8 is slidably connected to the inner side of the pin 1, which ensures both the flexibility of the device and its stability and reliability during operation.
[0030] Working principle: When it is necessary to replace or repair the chain link, by pressing the sliding block 9 at the bottom of the chain plate 3, the sliding block 9 will slide at the bottom of the chain plate 3 and squeeze the cylindrical rod 8. The cylindrical rod 8 will squeeze the baffle 7, causing the baffle 7 to move into the inside of the pin 1 and squeeze the internal spring 6. When the cylindrical rod 8 is fully inside the pin 1, pull the fixing block 5. The fixing block 5 will drive the pin 1 to move upward and cause the cylindrical rod 8 to pass through the inside of the chain plate 3. The spring 6 will pop the cylindrical rod 8 out of the pin 1 to reset it. This can realize the replacement and repair of each chain link and prevent some chain links from being damaged due to excessive pressure caused by prolonged use.
[0031] To further secure the device, fix a first fixing plate 201 on the left and right sides of the fixing block 5, and fix a second fixing plate 204 on the front outer wall of the fixing block 5. Insert a limiting post 205 into the inner side of the second fixing plate 204. The limiting post 205 will pass through the second fixing plate 204 and enter the interior of the chain plate 3 to prevent the fixing block 5 from shaking during operation. Then screw the screw 203 into the threaded hole 206 to firmly fix the first fixing plate 201 to the surface of the chain plate 3. This will further secure the device and prevent it from being unstable during use, which would increase the pressure on the chain links and reduce the service life of the equipment.
[0032] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A mechanical transmission chain adaptable to load changes, comprising a pin (1), characterized in that: A chain plate (3) is slidably connected to the top of the outer wall of the pin (1). A connecting plate (4) is fixedly connected to the outer side of the chain plate (3). A fixing block (5) is fixedly connected to the top of the pin (1). A spring (6) is fixedly connected to the inner side of the pin (1). A baffle (7) is fixedly connected to both the left and right sides of the spring (6). A cylindrical rod (8) is fixedly connected to the left side of the baffle (7). A sliding block (9) is slidably connected to the outer wall of the bottom end of the chain plate (3). A fixing mechanism (2) is provided on the outer side of the pin (1). The fixing mechanism (2) is used to fix the equipment.
2. The adaptive load-changing mechanical transmission chain according to claim 1, characterized in that: The fixing mechanism (2) includes a fixing plate one (201), the left side of the fixing block (5) is fixedly connected to the right side of the fixing plate one (201), the top inner wall of the fixing plate one (201) is threaded with a screw (203), the outer wall of the screw (203) is slidably connected with a washer (202), the top left and right sides of the chain plate (3) are provided with threaded holes (206), the front side of the top of the chain plate (3) is provided with a limit hole (207), the front outer wall of the fixing block (5) is fixedly connected with a fixing plate two (204), the inner side of the fixing plate two (204) is slidably connected with a limit post (205).
3. The mechanical equipment transmission chain adaptable to load changes according to claim 1, characterized in that: A mark (12) is fixedly connected to the middle of the outer wall of the pin (1).
4. The mechanical equipment transmission chain adaptable to load changes according to claim 1, characterized in that: A decorative block (10) is fixedly connected to the top of the connecting plate (4).
5. The mechanical transmission chain adaptable to load changes according to claim 1, characterized in that: A protective block (11) is fixedly connected to the top of the chain plate (3).
6. The mechanical transmission chain adaptable to load changes according to claim 1, characterized in that: The outer side of the cylindrical rod (8) is slidably connected to the inner side of the pin (1).