Transmission locking piece for electromechanical control

By designing a locking shell with a transmission mechanism and an electromagnet in the transmission locking member, adjusting the magnetic force and friction to lock the transmission shaft, the problem of insufficient force and wear of the existing locking member is solved, and a more efficient and stable locking effect is achieved.

CN119508392APending Publication Date: 2025-02-25JIANGSU UNIV OF SCI & TECH
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Patent Information

Application Number
CN202411734603.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-02-25

AI Technical Summary

Technical Problem

Existing transmission locking parts may not provide sufficient locking force, causing the transmission shaft to loosen or rotate, and the locking effect will be reduced due to wear after long-term use, affecting the stability of the electromechanical system.

Method used

A transmission lock member for electromechanical control including a bearing seat, a locking shell and a locking mechanism is designed. By setting a transmission mechanism inside the locking shell, the distance between the solenoid and the brake magnetic block is adjusted, the magnetic force is adjusted to increase the braking force, and friction is generated through the friction pad and the brake plate to lock the transmission shaft.

Benefits of technology

It realizes flexible adjustment of braking force according to needs, improves the locking effect, reduces the risk of wear after long-term use of the locking mechanism, avoids the decrease in the locking effect, and enhances the stability of the electromechanical system.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a transmission locking piece for electromechanical control. Belongs to the technical field of electromechanical equipment and comprises a bearing seat, a bearing is fixedly connected to the front end of the bearing seat, a transmission shaft is fixedly connected to an inner ring of the bearing and penetrates through the middle of the bearing seat, a locking shell is fixedly connected to the rear end of the bearing seat, and a locking mechanism is arranged in the locking shell. The distance between the electromagnet and the brake magnet can be adjusted by driving the electromagnet to move up and down through the transmission mechanism, the closer the distance between the electromagnet and the brake magnet is, the larger the magnetic force generated between the electromagnet and the brake magnet is, and the stronger the braking force is, so that the device can flexibly adjust the braking force according to requirements, and the braking efficiency is improved. When the transmission shaft needs to be braked and locked immediately, only the locking mechanism needs to be started, the brake plates on the two sides can be driven to be closed inwards through the locking mechanism, the friction pad makes contact with the brake disc, and therefore large friction force is generated, and the transmission shaft is braked and locked quickly.
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Description

Technical Field

[0001] The invention belongs to the technical field of electromechanical equipment and relates to a transmission locking component for electromechanical control. Background Art

[0002] Transmission locking parts for electromechanical control are important components in the field of electromechanical equipment technology. During the operation of electromechanical equipment, transmission locking parts play a vital role. They can ensure that the transmission shaft can smoothly decelerate and finally lock when the output stops, effectively preventing accidental rotation, thereby protecting the safety of the entire transmission system. With the continuous development of industrial technology, the performance requirements for transmission locking parts are becoming higher and higher, requiring them to have higher reliability, durability and adaptability. Therefore, research and development of new transmission locking parts for electromechanical control is of great significance to improving the overall performance and safety of electromechanical equipment. At the same time, this also promotes the continuous progress and innovation of technologies in related fields.

[0003] A Chinese patent (patent number CN216867335U) discloses a transmission shaft locking structure and a reducer, including a transmission shaft and a clamping ring, the transmission shaft is a hollow shaft, and the clamping ring is installed on the transmission shaft; the characteristics are: the end of the transmission shaft is provided with at least one first notch in the shape of a long strip, the first notch is connected to the inner cavity of the transmission shaft, the first notch is provided with a positioning hole connected thereto, a screw is threadedly connected to the clamping ring, and the inner end of the screw extends into the positioning hole. Before the traditional clamping ring is not locked, it is easy to be lost during transportation. The structure positions the clamping ring on the transmission shaft by screws, and the clamping ring will not be separated from the transmission shaft during transportation, which is convenient for users to quickly install the transmission shaft. Compared with the prior art, the Chinese patent number CN216867335U solves the problem that the current method for connecting shafts to shafts usually uses a clamping ring for locking, inserts the input shaft into the transmission shaft, and then uses the clamping ring to lock the input shaft and the transmission shaft.

[0004] However, during actual use of the above-mentioned device, in some cases, the existing locking member may not provide sufficient locking force, causing the transmission shaft to loosen or rotate. In addition, after long-term use, the locking member may reduce the locking effect due to wear, thereby affecting the stability of the electromechanical system. Therefore, a transmission locking member for electromechanical control is proposed. Summary of the invention

[0005] Purpose of the invention: The purpose of the present invention is to solve the shortcomings in the prior art that the existing locking parts may not provide sufficient locking force, causing the transmission shaft to loosen or rotate, and the locking parts may reduce the locking effect due to wear after long-term use, thereby affecting the stability of the electromechanical system, and provide a transmission locking part for electromechanical control.

[0006] The technical solution of the present invention is: a transmission locking member for electromechanical control according to the present invention comprises a bearing seat, a bearing is fixedly connected to the front end of the bearing seat, a transmission shaft is fixedly connected to the inner ring of the bearing, the transmission shaft passes through the middle of the bearing seat, a locking shell is fixedly connected to the rear end of the bearing seat, a locking mechanism is arranged inside the locking shell, and the locking mechanism can brake the transmission shaft through contact friction;

[0007] The transmission shaft is rotationally connected to the locking shell, and a brake disc is fixedly connected to the side of the transmission shaft close to the locking shell. Four brake magnets are fixedly connected inside the brake disc. An electromagnet is arranged at the lower part of the locking shell, and the transmission shaft can also be braked by the magnetic force between the electromagnet and the brake magnet. A transmission mechanism is arranged at the lower part of the electromagnet, and the transmission mechanism can drive the electromagnet to move.

[0008] Furthermore, mounting holes are symmetrically arranged on both sides of the bearing seat, and the bearing seat can be fixed through the mounting holes. The bottom of the bearing seat is fixedly connected with a mounting seat.

[0009] Furthermore, the locking mechanism includes a brake housing fixedly connected to the inside of the locking shell, the brake housing is located directly above the brake disc, a control housing is fixedly connected to the inside of the brake housing, two brake plates are arranged at the lower part of the control housing, and the brake plates are respectively located on both sides of the brake disc.

[0010] Furthermore, a second motor is provided at one side of the control housing, a first gear is provided at an output end of the second motor, the first gear is meshingly connected with a second gear, threaded rods are fixedly connected at both sides of the second gear, and the threaded rods are threadedly connected to a limiting axis.

[0011] Furthermore, a friction pad is fixedly connected between the contact surface of the brake plate and the brake disc, and the friction pad is made of rubber and the contact surface has been anti-slip treated.

[0012] Furthermore, a limit shaft is fixedly connected to the bottom of the control housing, and brake plates are slidably connected to both sides of the limit shaft. The limit shaft can ensure that the direction of the brake plate remains unchanged when it moves.

[0013] Furthermore, an electromagnet is arranged on the upper part of the transmission mechanism, and the transmission mechanism can drive the electromagnet to move up and down. By driving the electromagnet to move, the distance between the electromagnet and the brake magnetic block can be adjusted, thereby adjusting the braking force.

[0014] Furthermore, the transmission mechanism includes a transmission housing fixedly connected to the inside of the locking shell, a first motor is arranged at the bottom of the transmission housing, and a transmission assembly is arranged at the output end of the first motor.

[0015] Furthermore, the transmission assembly includes a screw rod arranged at the output end of the first motor, the screw rod is rotationally connected to the transmission housing, the screw rod is threadedly connected to a transmission platform, and an electromagnet is fixedly connected to the upper part of the transmission platform.

[0016] The rear end of the transmission platform is rotatably connected to two rotating wheels, a limiting rod is arranged at the middle position of the rotating wheels, and the limiting rod is fixedly connected to the transmission housing.

[0017] Beneficial effects: 1. In the present invention, the electromagnet can be driven to move by the transmission mechanism arranged inside the locking housing, and the distance between the electromagnet and the brake magnet can be adjusted by the up and down movement of the electromagnet. As the distance between the electromagnet and the brake magnet is closer, the magnetic force generated between the two is greater, and the braking force is stronger, so that the device can flexibly adjust the braking force according to demand. When it is necessary to brake and lock the transmission shaft immediately, it is only necessary to start the locking mechanism, and the locking mechanism can drive the brake plates on both sides to close inward, so that the friction pad contacts the brake disc, thereby generating a large friction force, so that the transmission shaft The driving shaft is quickly braked and locked. By flexibly selecting the braking and locking method, the wear of the locking mechanism after long-term use can be effectively reduced, thereby avoiding a decrease in the locking effect. 2. In the present invention, the transmission shaft will continue to rotate under the action of inertia after it stops working. By arranging four braking magnets in the brake disc, whenever the transmission shaft rotates, the braking magnets inside the brake disc will repeatedly pass through the electromagnets. The magnetic force between the electromagnets and the braking magnets can effectively reduce the rotation speed of the transmission shaft. Moreover, as the rotation speed of the transmission shaft decreases, the braking force between the braking magnets and the electromagnets will gradually increase, and finally the transmission shaft will be locked when it stops completely. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 It is a three-dimensional structural schematic diagram of the present invention;

[0020] Figure 3 This is a schematic diagram of the structure of the locking housing in the present invention. Figure 1 ;

[0021] Figure 4 This is a schematic diagram of the structure of the locking housing in the present invention. Figure 2 ;

[0022] Figure 5 It is a structural schematic diagram of the transmission mechanism and transmission components in the present invention;

[0023] Figure 6 is a cross-sectional view of the locking housing in the present invention;

[0024] Figure 7 It is a diagram of the installation structure of the transmission shaft and the brake disc in the present invention;

[0025] Figure 8 It is a structural schematic diagram of the control housing and the brake plate in the present invention;

[0026] Fig. 9 It is a structural schematic diagram of the locking mechanism in the present invention;

[0027] In the figure: 1. bearing seat; 2. mounting hole; 3. transmission shaft; 4. locking housing; 5. bearing; 6. mounting seat; 7. brake disc; 8. brake housing; 9. transmission housing; 10. electromagnet; 11. brake magnet; 12. first motor; 13. screw rod; 14. transmission platform; 15. limit rod; 16. rotating wheel; 17. brake plate; 18. friction pad; 19. control housing; 20. second motor; 21. first gear; 22. second gear; 23. threaded rod; 24. limit shaft. DETAILED DESCRIPTION

[0028] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments.

[0029] As shown in the figure, a transmission locking member for electromechanical control according to the present invention comprises a bearing seat 1, a bearing 5 is fixedly connected to the front end of the bearing seat 1, a transmission shaft 3 is fixedly connected to the inner ring of the bearing 5, the transmission shaft 3 passes through the middle of the bearing seat 1, a locking shell 4 is fixedly connected to the rear end of the bearing seat 1, a locking mechanism is arranged inside the locking shell 4, and the locking mechanism can brake the transmission shaft 3 through contact friction;

[0030] The transmission shaft 3 is rotatably connected to the locking housing 4. A brake disc 7 is fixedly connected to the side of the transmission shaft 3 close to the locking housing 4. Four brake magnets 11 are fixedly connected to the inside of the brake disc 7. An electromagnet 10 is installed at the lower part of the locking housing 4. The transmission shaft 3 can also be braked by the magnetic force between the electromagnet 10 and the brake magnet 11. A transmission mechanism is arranged at the lower part of the electromagnet 10, and the transmission mechanism can drive the electromagnet 10 to move.

[0031] The locking mechanism includes a brake housing 8 fixedly connected to the inside of the locking housing 4, the brake housing 8 is located just above the brake disc 7, a control housing 19 is fixedly connected to the inside of the brake housing 8, two brake plates 17 are installed at the lower part of the control housing 19, the brake plates 17 are respectively located on both sides of the brake disc 7, a second motor 20 is installed on one side of the control housing 19, a first gear 21 is installed at the output end of the second motor 20, the first gear 21 is meshed and connected with a second gear 22, threaded rods 23 are fixedly connected on both sides of the second gear 22, a limit shaft 24 is threadedly connected on one side of the threaded rod 23, a friction pad 18 is fixedly connected to the contact surface between the brake plate 17 and the brake disc 7, the friction pad 18 is made of rubber and the contact surface has been anti-slip treated, the limit shaft 24 is fixedly connected to the bottom of the control housing 19, and the brake plates 17 are slidably connected on both sides of the limit shaft 24, and the limit shaft 24 can ensure that the direction of the brake plate 17 remains unchanged when moving;

[0032] An electromagnet 10 is arranged on the upper part of the transmission mechanism, and the transmission mechanism can drive the electromagnet 10 to move up and down. By driving the electromagnet 10 to move, the distance between the electromagnet 10 and the brake magnet 11 can be adjusted to adjust the braking force. The transmission mechanism includes a transmission housing 9 fixedly connected to the inside of the locking housing 4, a first motor 12 is arranged at the bottom of the transmission housing 9, and a transmission assembly is arranged at the output end of the first motor 12. The transmission assembly includes a screw rod 13 arranged at the output end of the first motor 12, and the screw rod 13 is rotatably connected to the transmission housing 9. The screw rod 13 is threadedly connected to a transmission platform 14, and the electromagnet 10 is fixedly connected to the upper part of the transmission platform 14. Two rotating wheels 16 are rotatably connected to the rear end of the transmission platform 14, and a limit rod 15 is arranged at the middle position of the rotating wheel 16, and the limit rod 15 is fixedly connected to the transmission housing 9;

[0033] When in use, the first motor 12 at the bottom of the transmission housing 9 is started to drive the screw rod 13 to rotate, and the rotation of the screw rod 13 can drive the threaded transmission platform 14 to move, and the movement of the transmission platform 14 can drive the electromagnet 10 fixedly connected to the upper part to move, and by moving the electromagnet 10 up and down, the distance between the electromagnet 10 and the brake magnetic block 11 can be adjusted. As the distance between the electromagnet 10 and the brake magnetic block 11 decreases, the relative magnetic force generated between the two becomes larger, and the braking force becomes stronger, so that the device can flexibly adjust the braking force according to demand, thereby improving the use effect of the device, and during the movement of the transmission platform 14, the two rotating wheels 16 arranged at the rear end can move synchronously along the limit rod 15, thereby ensuring the stability of the transmission platform 14 during the transmission process;

[0034] If it is necessary to brake and lock the transmission shaft 3 immediately, it is only necessary to start the second motor 20 provided on the control housing 19. The second motor 20 can drive the first gear 21 to rotate. The rotation of the first gear 21 can drive the meshing second gear 22 to rotate. The rotation of the second gear 22 can also drive the threaded rods 23 provided on both sides to rotate. The rotation of the threaded rods 23 can drive the threaded brake plate 17 to close inward. During the movement of the brake plate 17, the limit shaft 24 can ensure the stability of the moving direction of the brake plate 17. The movement of the brake plate 17 makes the friction pad 18 contact with the brake disc 7, thereby generating a large friction force, which can quickly brake and lock the transmission shaft 3. By flexibly selecting the braking and locking method, the wear of the locking mechanism after long-term use can be effectively reduced, thereby avoiding a decrease in the locking effect.

[0035] Furthermore, mounting holes 2 are symmetrically arranged on both sides of the bearing seat 1, and the bearing seat 1 can be fixed through the mounting holes 2. A mounting seat 6 is fixedly connected to the bottom of the bearing seat 1;

[0036] A brake disc 7 is fixedly connected to one side of the transmission shaft 3 close to the locking housing 4, and four brake magnets 11 are fixedly connected to the inside of the brake disc 7. An electromagnet 10 is installed at the lower part of the locking housing 4, and the transmission shaft 3 can be braked by the magnetic force between the electromagnet 10 and the brake magnet 11;

[0037] By means of mounting holes 2 for fixing the bearing seat 1 on both sides of the bearing seat 1, the transmission shaft 3 will continue to rotate under the action of inertia after stopping working. The rotation of the transmission shaft 3 can drive the brake disc 7 fixedly connected to the transmission shaft 3 to rotate, and four brake magnets 11 are arranged inside the brake disc 7. Whenever the transmission shaft 3 rotates, the brake magnet 11 inside the brake disc 7 will repeatedly pass through the electromagnet 10, and the transmission shaft 3 can be braked by the magnetic force between the electromagnet 10 and the brake magnet 11, and as the rotation speed of the transmission shaft 3 decreases, the braking force between the brake magnet 11 and the electromagnet 10 will gradually increase, and finally the transmission shaft 3 will be locked when it stops completely, thereby improving the use effect of the device.

Claims

1. A transmission locking member for electromechanical control, characterized in that: The invention comprises a bearing seat (1), a bearing (5) is fixedly connected to the front end of the bearing seat (1), a transmission shaft (3) passing through the middle of the bearing seat (1) is fixedly connected to the inner ring of the bearing (5), a locking shell (4) is fixedly connected to the rear end of the bearing seat (1), and the transmission shaft (3) and the locking shell (4) are rotatably connected; A brake disc (7) is fixedly connected to one side of the transmission shaft (3) close to the locking housing (4), and four brake magnets (11) are fixedly connected inside the brake disc (7); An electromagnet (10) is installed at the bottom of the locking housing (4), and a transmission mechanism for driving the electromagnet (10) to move is installed at the bottom of the electromagnet (10). A locking mechanism for braking the transmission shaft (3) through contact friction is arranged inside the locking housing (4).

2. A transmission locking member for electromechanical control according to claim 1, characterized in that: The locking mechanism comprises a brake housing (8) fixedly connected to the inside of a locking housing (4) and located directly above a brake disc (7); a control housing (19) is fixedly connected to the inside of the brake housing (8); and two brake plates (17) are installed at the bottom of the control housing (19).

3. A transmission locking member for electromechanical control according to claim 2, characterized in that: The brake plates (17) are respectively arranged on both sides of the brake disc (7), and a friction pad (18) made of rubber material is fixedly connected to the contact surface between the brake plates (17) and the brake disc (7).

4. A transmission locking member for electromechanical control according to claim 2, characterized in that: A second motor (20) is installed on one side of the control housing (19), a first gear (21) is meshedly connected to the output end of the second motor (20), threaded rods (23) are respectively fixed on both sides of the second gear (22), and one side of the threaded rod (23) is threadedly connected to the second gear (22).

5. The transmission locking member for electromechanical control according to claim 2, characterized in that: The bottom of the control housing (19) and the lower end of the threaded rod (23) are fixedly connected to a limit shaft (24), and both sides of the limit shaft (24) are slidably connected to the brake plate (17).

6. The transmission locking member for electromechanical control according to claim 1, characterized in that: The transmission mechanism comprises a transmission housing (9) fixed inside a locking housing (4), a first motor (12) is arranged at the bottom of the transmission housing (9), and a transmission assembly is arranged at the output end of the first motor (12).

7. A transmission locking member for electromechanical control according to claim 6, characterized in that: The transmission assembly comprises a screw rod (13) arranged at the output end of a first motor (12), the screw rod (13) being rotatably connected to a transmission housing (9), a transmission platform (14) being threadedly connected to one end of the screw rod (13), and an electromagnet (10) being fixedly connected to the upper part of the transmission platform (14).

8. The transmission locking member for electromechanical control according to claim 7, characterized in that: Two rotating wheels (16) are rotatably connected to the rear end of the transmission platform (14), a limiting rod (15) is installed in the middle of the rotating wheels (16), and the limiting rod (15) is fixedly connected to the transmission housing (9).

9. The transmission locking member for electromechanical control according to claim 1, characterized in that: Mounting holes (2) are symmetrically arranged on both sides of the bearing seat (1), and the bearing seat (1) is fixed via the mounting holes (2).

10. The transmission locking member for electromechanical control according to claim 1, characterized in that: A mounting seat (6) is also fixedly connected to the bottom of the bearing seat (1).

Citation Information

Patent Citations

  • Transmission shaft locking structure and speed reducer

    CN216867335U