Torsion limiter convenient to install

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By designing a torque limiter including torque adjustment bolts and pressure sensors, the problem of difficulty in adjusting the torque upper limit in the prior art is solved, and flexible adjustment and applicability of the equipment torque limit value are achieved.

CN222436881UActive Publication Date: 2025-02-07BEIJING LIXIN DEHUA TECH CO LTD

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Patent Information

Application Number: CN202421409507.8
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-06-20
Publication Date: 2025-02-07
Estimated Expiration: 2034-06-20

AI Technical Summary

Technical Problem

It is difficult to adjust the different torque upper limits required by different equipment during use, resulting in the inability to effectively achieve the corresponding torque limit value.

Method used

A torsion limiter is designed including torque adjustment bolts, discs, springs, fixing rods, pressure sensors and hemispherical bumps. The torque limit value is adjusted by rotating the torque adjustment bolts, and real-time monitoring and feedback through the pressure sensor. Stress data.

Benefits of technology

It realizes flexible adjustment of the torque limit value of the equipment, improves the applicability and torque upper limit of the equipment, and simplifies the installation and disassembly process.

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Abstract

The utility model relates to the technical field of torsion limiters, and discloses a torsion limiter convenient to install, which comprises a first fixing seat, a second fixing seat and a connecting column, and the end of the first fixing seat far away from the second fixing seat and the end of the second fixing seat far away from the first fixing seat are fixedly connected with connecting seats. The end, close to the second fixing base, of the first fixing base is fixedly connected with a first fixing sleeve. According to the utility model, when the equipment with the design is actually used, the equipment can correspondingly complete the adjustment of the torsion limit value of the equipment by adjusting the downward pressing and rising of the torsion adjusting bolt through the arranged torsion adjustable structure, so that the applicability of the equipment is effectively improved, and the equipment is convenient to disassemble and assemble through the arranged structure convenient to disassemble and assemble. Compared with traditional flange two-side assembly, the device has the advantages that side face bolts are used for fastening, matching pieces are clamped, assembly is facilitated, and the torque upper limit of the connecting position is greatly improved.

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Description

Technical Field

[0001] The utility model relates to the technical field of torque limiters, in particular to a torque limiter which is easy to install. Background Art

[0002] In the transmission output structure of existing transmission facilities, in order to ensure the safety of the equipment during transmission, it is usually necessary to install a special torque limiter at the connection of the transmission shaft, which can effectively prevent excessive torque from damaging the transmission structure.

[0003] However, the existing torque limiters have certain usage defects in actual use, which is usually reflected in the fact that it is difficult to adjust the torque limit values corresponding to the different torque upper limits required by different devices during use. Therefore, technical personnel in this field provide a torque limiter that is easy to install to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a torque limiter that is easy to install. The torque limiter designed to be easy to install solves the shortcoming that the existing equipment is difficult to adjust the corresponding torque limit value for different torque upper limits required by different equipment during use.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] The invention relates to a torque limiter which is easy to install, comprising a first fixing seat, a second fixing seat and a connecting column, wherein the first fixing seat is far away from the second fixing seat and the second fixing seat is far away from the first fixing seat. The first fixing seat is fixedly connected to a first fixing sleeve at one end close to the second fixing seat, a fixing rod is fixedly connected to an end of the fixing rod far away from the first fixing seat at a middle position, a pressure sensor is fixedly arranged at an end of the first disc far away from the fixing rod at a middle position, a fixing ring is fixedly arranged at an end of the pressure sensor close to the second fixing seat, a second fixing sleeve is fixedly connected to a rod body of the fixing rod and is located at a position where the second disc is limited on the inner side of the first fixing sleeve, a plurality of torque adjusting bolts are rotatably connected to an end of the first fixing sleeve close to the first fixing seat and close to the side, and the ends of the plurality of torque adjusting bolts are rotatably connected to the second disc;

[0007] Through the above technical solution, when the device of this design is actually used, the torque adjustable structure is set up so that the equipment can be raised by adjusting the downward pressure of the torque adjustment bolt, thereby correspondingly completing the adjustment of the torque limit value of the equipment, thereby effectively improving the applicability of the equipment.

[0008] Further, a pair of the connecting seats are fixedly connected to a matching frame at the middle position of one side close to the outer side, a pair of the connecting columns are fixedly connected to a matching block at the middle position of one side close to the matching frame, a pair of the matching blocks are engaged with a pair of matching frames, a pair of the matching blocks and a pair of matching frames are arranged in a hexagonal shape and a thread groove is provided at the middle position of each side, and a pair of the matching blocks and a pair of matching frames are threadedly fastened by a plurality of hexagon socket bolts;

[0009] Through the above technical solution, when the device of this design is actually used, a structure that is easy to disassemble and assemble is set up, so that the device, compared with the traditional flange assembly on both sides, adopts a side bolt fastening and a snap-fit method between the mating parts, which not only facilitates assembly, but also greatly improves the torque limit of the connection.

[0010] Furthermore, a spring is sleeved on the body of the fixing rod, and the spring is arranged between the first disc and the second disc;

[0011] Through the above technical solution, the spring arranged between the first disc and the second disc can be pushed and contracted when the device encounters an upper limit of the torque value, so that the two ends of the torque limiter rotate relative to each other.

[0012] Furthermore, the pressure sensor is electrically connected to the outside world;

[0013] Through the above technical solution, the arranged pressure sensor is electrically connected to the outside world, so that the pressure sensor can feed back real-time pressure data to the external device.

[0014] Furthermore, a plurality of hemispherical protrusions are equidistantly fixedly connected at the middle position of the inner bottom end of the second fixed sleeve, and a semicircular pit is provided at the position of the fixed ring corresponding to the plurality of hemispherical protrusions, and the plurality of the semicircular pits and the plurality of hemispherical protrusions are mutually limited and engaged;

[0015] Through the above technical solution, the hemispherical protrusion and the semicircular pit and the matching relationship between the two can enable the second fixed sleeve to rotate relative to the first fixed sleeve when the torque exceeds the downward pressure of the spring and the friction between the semicircular pit and the hemispherical protrusion.

[0016] Furthermore, a limiting convex ring is fixedly connected to the inner bottom end of the second fixed sleeve and close to the side edge, and the limiting convex ring and the first disc are mutually limited and matched;

[0017] Through the above technical solution, the provided limiting convex ring and the matching relationship with the first disc can ensure the fit between the first disc and the hemispherical convex block in the second fixed sleeve.

[0018] Furthermore, the second fixing sleeve is fixedly connected to a limiting convex edge at a side position of one end close to the first fixing seat, and the limiting convex edge is in limiting cooperation with the first disc;

[0019] Through the above technical solution, the provided limiting convex edge and the matching relationship with the first disc can ensure the connection relationship between the two ends of the device.

[0020] The utility model has the following beneficial effects:

[0021] 1. In the utility model, the torque adjustable structure of the device is formed by the torque adjusting bolt, the first disc, the second disc, the spring, the fixing rod, the pressure sensor, the fixing ring, the hemispherical protrusion and the semicircular pit. In this structure, different torque limiting requirements are usually required according to different usage scenarios. In order to conveniently improve the application scope of the device, when the torque limiting value needs to be adjusted, the torque adjusting bolt can be rotated to push the torque adjusting bolt forward, push the second disc toward the direction of the first disc, and compress the spring between the first disc and the second disc. The pressure sensor can transmit the detected pressure data to the external device in real time. The hemispherical protrusion and the semicircular pit and the limit engagement relationship between the two can make the second fixing sleeve rotate relative to the first fixing sleeve when the torque exceeds the downward pressure of the spring and the friction between the semicircular pit and the hemispherical protrusion. The overall design allows the device to be raised by adjusting the downward pressure of the torque adjusting bolt, and the adjustment of the torque limiting value of the device is completed accordingly, so that the applicability of the device is effectively improved.

[0022] 2. In the utility model, a structure that is easy to disassemble and assemble of the device is formed by setting a matching frame and a matching block. In this structure, the matching frame and the matching block are hexagonal as a whole, and the inner side of the matching frame and the matching block are engaged with each other. During installation, the matching frames at both ends of the device are aligned with the matching blocks at the installation position for engagement, and then the hexagon socket fastening bolts can be inserted from the side along the threaded groove on the side of the matching frame by threaded rotation, and the matching frame and the matching block are threadedly fastened and connected. The overall structural design makes the device, compared with the traditional flange two-side assembly, adopt the side bolt fastening and the engagement between the matching parts, which is not only convenient for assembly, but also greatly improves the torque limit of the connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is an isometric view of a torque limiter that is easy to install proposed by the utility model;

[0024] Figure 2 This is an elevation isometric view of a torque limiter that is easy to install proposed by the utility model;

[0025] Figure 3 This is an axonometric diagram of a torque limiter structure that is easy to install and proposed by the utility model;

[0026] Figure 4 This is a front view of a torque limiter that is easy to install proposed by the utility model;

[0027] Figure 5 This is a front cross-sectional view of a torque limiter that is easy to install and is proposed by the utility model.

[0028] Legend:

[0029] 1. First fixed sleeve; 2. First fixed seat; 3. Connecting seat; 4. Matching frame; 5. Matching block; 6. Connecting column; 7. Second fixed sleeve; 8. Limiting convex edge; 9. Fixed rod; 10. Spring; 11. Torque adjustment bolt; 12. First disc; 13. Second disc; 14. Second fixed seat; 15. Semicircular pit; 16. Fixed ring; 17. Pressure sensor; 18. Hemispherical protrusion; 19. Limiting protrusion ring. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Reference Figure 1-5The utility model provides an embodiment: a torque limiter that is easy to install, including a first fixing seat 2, a second fixing seat 14 and a connecting column 6, the first fixing seat 2 away from the second fixing seat 14 and the second fixing seat 14 away from the first fixing seat 2 are fixedly connected to the connecting seat 3, the first fixing seat 2 is fixedly connected to the end of the second fixing seat 14, the first fixing sleeve 1 is fixedly connected to the middle position of the end of the first fixing sleeve 1 close to the second fixing seat 14, the fixing rod 9 is fixedly connected to the first disc 12 at the end of the fixing rod 9 away from the first fixing seat 2, and the first disc 1 A pressure sensor 17 is fixedly arranged at the middle position of one end away from the fixing rod 9, a fixing ring 16 is fixedly connected to one end of the pressure sensor 17 close to the second fixing seat 14, a second fixing sleeve 7 is fixedly connected to one side of the second fixing seat 14 close to the first fixing seat 2, a second disc 13 is limitedly sleeved on the rod body of the fixing rod 9 and located at the inner side of the first fixing sleeve 1, a plurality of torque adjustment bolts 11 are rotatably connected with one end of the first fixing sleeve 1 close to the first fixing seat 2 and close to the side, and the ends of the plurality of torque adjustment bolts 11 are rotatably connected to the second disc 13.

[0032] A pair of connecting seats 3 are fixedly connected to a matching frame 4 at the middle position on the outer side, a pair of connecting columns 6 are fixedly connected to a matching block 5 at the middle position on the side close to the matching frame 4, the pair of matching blocks 5 are engaged with the pair of matching frames 4, the pair of matching blocks 5 and the pair of matching frames 4 are both hexagonally arranged and a threaded groove is provided at the middle position of each side, and the pair of matching blocks 5 and the pair of matching frames 4 are threadedly fastened by multiple hexagonal bolts.

[0033] A spring 10 is sleeved on the rod body of the fixed rod 9, and the spring 10 is arranged between the first disk 12 and the second disk 13. The pressure sensor 17 is electrically connected to the outside world. A plurality of hemispherical protrusions 18 are equidistantly fixedly connected at the middle position of the inner bottom end of the second fixed sleeve 7. Semicircular pits 15 are provided at the positions of the fixed ring 16 corresponding to the plurality of hemispherical protrusions 18. The plurality of semicircular pits 15 and the plurality of hemispherical protrusions 18 are mutually limited and engaged. A limiting convex ring 19 is fixedly connected at the inner bottom end of the second fixed sleeve 7 and at a position close to the side. The limiting convex ring 19 and the first disk 12 are mutually limited and engaged. A limiting convex edge 8 is fixedly connected at a side position of one end of the second fixed sleeve 7 close to the first fixed seat 2, and the limiting convex edge 8 and the first disk 12 are limited and engaged.

[0034] Working principle: This design is a torque limiter that is easy to install. In actual use, different torque limiting requirements usually occur in different usage scenarios. In order to facilitate improving the application scope of the equipment, when the torque limit value needs to be adjusted, the torque adjusting bolt 11 can be rotated to push the torque adjusting bolt 11 forward, push the second disc 13 toward the direction of the first disc 12, and compress the spring 10 between the first disc 12 and the second disc 13. The set pressure sensor 17 can transmit the detected pressure data to an external device in real time. The set hemispherical protrusion 18 and semicircular pit 15 and the limiting engagement relationship between the two can, when the torque exceeds the downward force of the spring 10 and the friction between the semicircular pit 15 and the hemispherical protrusion 18, the second fixed sleeve 7 is relative to the first fixed sleeve The cylinder 1 rotates, and the overall design allows the device to rise by adjusting the downward pressure of the torque adjustment bolt 11, and correspondingly complete the adjustment of the torque limit value of the device, so that the applicability of the device is effectively improved. The matching frame 4 and the matching block 5 are both hexagonal as a whole, and the inner side of the matching frame 4 and the matching block 5 are engaged with each other. During installation, the matching frames 4 at both ends of the device are aligned with the matching blocks 5 at the installation position for engagement, and then the hexagon socket fastening bolts can be inserted from the side along the threaded groove on the side of the matching frame 4 by threaded rotation, and the matching frame 4 and the matching block 5 are threadedly fastened and connected. The overall structural design makes the device, compared with the traditional flange two-side assembly, adopts the side bolt fastening and the engagement method between the mating parts, which not only facilitates assembly, but also greatly improves the torque upper limit of the connection.

[0035] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A torque limiter that is easy to install, comprising a first fixing seat (2), a second fixing seat (14) and a connecting column (6), characterized in that: The end of the first fixing seat (2) away from the second fixing seat (14) and the end of the second fixing seat (14) away from the first fixing seat (2) are both fixedly connected to a connecting seat (3); The first fixing seat (2) is fixedly connected to one end close to the second fixing seat (14) with a first fixing sleeve (1); a fixing rod (9) is fixedly connected to the middle position of one end of the first fixing sleeve (1) close to the second fixing seat (14); the fixing rod (9) is fixedly connected to one end of the fixing rod (9) away from the first fixing seat (2) with a first disc (12); a pressure sensor (17) is fixedly provided at the middle position of one end of the first disc (12) away from the fixing rod (9); and the pressure sensor (17) is fixedly connected to the middle position of one end of the first disc (12) away from the fixing rod (9). One end is fixedly connected to a fixing ring (16); a second fixing sleeve (7) is fixedly connected to a side of the second fixing seat (14) close to the first fixing seat (2); a second disc (13) is provided on the rod body of the fixing rod (9) and is located at an inner position of the first fixing sleeve (1); a plurality of torque adjustment bolts (11) are rotatably connected to one end of the first fixing sleeve (1) close to the first fixing seat (2) and at a side position, and the ends of the plurality of torque adjustment bolts (11) are rotatably connected to the second disc (13).

2. A torque limiter that is easy to install according to claim 1, characterized in that: A pair of the connecting seats (3) are fixedly connected to a matching frame (4) at the middle position of one side close to the outer side, and a pair of the connecting columns (6) are fixedly connected to a matching clamping block (5) at the middle position of one side close to the matching frame (4). The pair of matching clamping blocks (5) and the pair of matching frames (4) are mutually engaged and matched. The pair of matching clamping blocks (5) and the pair of matching frames (4) are both hexagonally arranged and a thread groove is provided at the middle position of each side. The pair of matching clamping blocks (5) and the pair of matching frames (4) are threadedly fastened by a plurality of hexagon socket head bolts.

3. A torque limiter that is easy to install according to claim 1, characterized in that: A spring (10) is sleeved on the body of the fixing rod (9), and the spring (10) is arranged between the first disc (12) and the second disc (13).

4. A torque limiter that is easy to install according to claim 1, characterized in that: The pressure sensor (17) is electrically connected to the outside world.

5. The torque limiter that is easy to install according to claim 1, characterized in that: A plurality of hemispherical protrusions (18) are equidistantly fixedly connected to the middle position of the inner bottom end of the second fixed sleeve (7), and a semicircular recess (15) is provided at positions of the fixed ring (16) corresponding to the plurality of hemispherical protrusions (18), and the plurality of the semicircular recesses (15) and the plurality of hemispherical protrusions (18) are mutually limitedly engaged.

6. The torque limiter that is easy to install according to claim 1, characterized in that: A limiting convex ring (19) is fixedly connected to the inner bottom end of the second fixed sleeve (7) and close to the side edge, and the limiting convex ring (19) and the first disc (12) are mutually limited.

7. The torque limiter that is easy to install according to claim 1, characterized in that: The second fixing sleeve (7) is fixedly connected to a limiting convex edge (8) at a side position of one end close to the first fixing seat (2), and the limiting convex edge (8) and the first disc (12) are in limiting cooperation.