Device for reducing noise of speed reducer

By designing a detachable screw and fixing rod structure, combined with the running-in of the magnetic powder brake, the problem of high noise in the initial stage of the reducer was solved, and the reducer was easily replaced and the noise was reduced.

CN224064801UActive Publication Date: 2026-03-31FOSHAN NANHAI ZHUJIANG REDUCTION GEAR
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-03
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

The existing speed reducer was noisy in the initial stage of use, which affected the user experience.

Method used

Design a device comprising a test frame, a test bench, a fixing rod, a screw, a reducer, a magnetic powder brake, and a power supply box. The reducer is fixed by a detachable structure of the screw and the fixing rod, and the magnetic powder brake is used to run the reducer through operation, thereby reducing operating noise.

Benefits of technology

This technology enables the speed reducer to be detachable and replaceable, effectively reducing noise and improving the speed reducer's operational stability and noise control.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a device for reducing the noise of a speed reducer, which relates to the technical field of speed reducers and comprises a test stand, a test stand, a fixing rod, a screw rod, a speed reducer, a magnetic powder brake and a power box, the test stand, the magnetic powder brake and the power box are all fixed on the test stand, and the test stand is provided with a threaded hole for the screw rod to be screwed in. The fixing rod is provided with a first through hole for the screw rod to penetrate through, a nut of the screw rod abuts against the outer wall of the fixing rod, the speed reducer is fixed between the test bed and the fixing rod through the screw rod, the input end of the speed reducer is connected with a driving motor, the output end of the speed reducer is connected with the input end of the magnetic powder brake, and the device can effectively reduce operation noise of the speed reducer.
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Description

Technical Field

[0001] This utility model relates to the field of speed reducer technology, and in particular to a device for reducing speed reducer noise. Background Technology

[0002] A speed reducer is an independent component consisting of gear transmission, worm transmission, or gear-worm transmission enclosed in a rigid housing. It is commonly used as a speed reduction transmission device between the prime mover and the working machine, and plays a role in matching speed and transmitting torque between the prime mover and the working machine or actuator.

[0003] Depending on the type of reducer, components such as gears, worm gears, or worms are assembled inside the reducer housing. Due to the influence of the surface contour shape of the components and the surface hardening of the component materials, reducers often have problems such as high noise during operation in the initial stage of use. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a device to reduce the noise of the speed reducer and solve the problem of high noise in the early stage of application of the speed reducer.

[0005] The objective of this utility model is achieved through the following technical solution:

[0006] A device for reducing speed reducer noise includes a test frame, a test bench, a fixed rod, a screw, a speed reducer, a magnetic powder brake, and a power supply box. The test bench, the magnetic powder brake, and the power supply box are all fixed on the test frame. The test bench has a threaded hole for the screw to screw into, and the fixed rod has a first through hole for the screw to pass through. The nut of the screw abuts against the outer wall of the fixed rod. The speed reducer is fixed between the test bench and the fixed rod by the screw. The input end of the speed reducer is connected to a drive motor, and the output end is connected to the input end of the magnetic powder brake.

[0007] Furthermore, the test bench includes a support base, a baffle, and a stabilizing frame. The support base is fixed on the test frame, the reducer is placed on the support base, the baffle is fixed on the test frame and located on one side of the support base, and the stabilizing frame is fixed on the outside of the baffle.

[0008] Furthermore, a second through hole is provided on the baffle, through which the output end of the reducer passes.

[0009] Furthermore, the support base includes brackets and a support plate. There are multiple brackets and they are fixed on the test frame. The support plate fixes the tops of the multiple brackets, and the reducer is placed on the support plate.

[0010] Furthermore, the output end of the reducer and the input end of the magnetic powder brake are connected by a coupling.

[0011] Furthermore, there are two screws, one on each side of the reducer.

[0012] Furthermore, the power supply box is equipped with a torque control board.

[0013] Furthermore, the power supply box is equipped with a forward rotation button, a reverse rotation button, and a stop button.

[0014] Furthermore, the power supply box is equipped with a power socket.

[0015] Furthermore, the output end of the drive motor is fixed with a first flange, and the input end of the reducer is fixed with a second flange, the first flange and the second flange being fitted together for fixation.

[0016] The beneficial effects of this utility model are:

[0017] This invention enables the reducer to be detached from the device by setting a screw and a fixing rod, making it convenient to replace the reducer; by setting a magnetic powder brake, the reducer is run-in before leaving the factory, effectively reducing the operating noise of the reducer. Attached Figure Description

[0018] Figure 1 This is a front view of the device for reducing speed reducer noise according to this utility model;

[0019] Figure 2 This is a side view of the device for reducing speed reducer noise according to this utility model;

[0020] Figure 3 This is a top view of the device for reducing speed reducer noise according to this utility model;

[0021] In the diagram: 1. Test frame; 2. Test bench; 21. Support base; 211. Bracket; 212. Support plate; 22. Baffle; 23. Stabilizer; 3. Fixing rod; 4. Screw; 5. Reducer; 6. Magnetic powder brake; 7. Power supply box; 8. Nut; 9. Coupling; 10. Torque control board; 11. Forward rotation button; 12. Reverse rotation button; 13. Stop button; 14. Power socket; 15. First flange; 16. Second flange; 17. Drive motor. Detailed Implementation

[0022] To make the technical problems solved, the technical solutions and the beneficial effects of the utility model clearer, the utility model will be further described below in conjunction with the accompanying drawings and embodiments.

[0023] like Figure 1-3As shown, this utility model provides a device for reducing the noise of a speed reducer, including a test frame 1, a test bench 2, a fixed rod 3, a screw 4, a speed reducer 5, a magnetic powder brake 6, and a power supply box 7. The test bench 2, the magnetic powder brake 6, and the power supply box 7 are all fixed on the test frame 1. The test bench 2 has a threaded hole for the screw 4 to be screwed into. The fixed rod 3 has a first through hole for the screw 4 to pass through. The nut 8 of the screw 4 abuts against the outer wall of the fixed rod 3. The speed reducer 5 is fixed between the test bench 2 and the fixed rod 3 by the screw 4. The input end of the speed reducer 5 is connected to a drive motor 17, and the output end is connected to the input end of the magnetic powder brake 6.

[0024] Connect the drive motor 17 to the reducer 5, then place the reducer 5 on the test bench 2, and fix the reducer 5 between the test bench 2 and the fixing rod 3 by the screw 4 to limit the position of the reducer 5. Then connect the output end of the reducer 5 to the input end of the magnetic powder brake 6, run the reducer 5 for a certain period of time before leaving the factory, effectively reducing the operating noise of the reducer 5.

[0025] The reducer 5 is detachable from the device through the detachable structure between the screw 4, the fixed rod 3 and the test bench 2, making it convenient to replace the reducer 5.

[0026] Furthermore, the test bench 2 includes a support base 21, a baffle 22, and a stabilizing frame 23. The support base 21 is fixed on the test frame 1, the reducer 5 is placed on the support base 21, the baffle 22 is fixed on the test frame 1 and located on one side of the support base 21, and the stabilizing frame 23 is fixed on the outside of the baffle 22.

[0027] A threaded hole is provided on the baffle 22. When the position of the reducer 5 is fixed, the reducer 5 is confined between the baffle 22 and the fixing rod 3. The stabilizing frame 23 is triangular or approximately triangular, which increases the stability of the baffle 22.

[0028] Furthermore, a second through hole is provided on the baffle 22, through which the output end of the reducer 5 passes.

[0029] Furthermore, the support base 21 includes a bracket 211 and a support plate 212. There are multiple brackets 211 and they are fixed on the test frame 1. The support plate 212 fixes the top of the multiple brackets 211. The reducer 5 is placed on the support plate 212.

[0030] Furthermore, the output end of the reducer 5 and the input end of the magnetic powder brake 6 are connected by a coupling 9.

[0031] Furthermore, there are two screws 4, which are respectively located on both sides of the reducer 5.

[0032] Furthermore, the power supply box 7 is equipped with a torque control board 10.

[0033] Furthermore, the power supply box 7 is equipped with a forward rotation button 11, a reverse rotation button 12, and a stop button 13.

[0034] Furthermore, the power supply box 7 is equipped with a power socket 14.

[0035] Furthermore, the output end of the drive motor 17 is fixed with a first flange 15, and the input end of the reducer 5 is fixed with a second flange 16. The first flange 15 and the second flange 16 are fixed together.

[0036] Working principle: Connect the output end of the drive motor 17 to the input end of the reducer 5. Fix the drive motor 17 and the reducer 5 housing together through the first flange 15 and the second flange 16. Then place the reducer 5 on the support base 21. Pass the screw 4 through the first through hole on the fixing rod 3 and screw it into the threaded hole on the baffle 22. After locking, the reducer 5 is fixed between the baffle 22 and the fixing rod 3. The output end of the reducer 5 passes through the baffle 22 and is connected to the input end of the magnetic powder brake 6 through the coupling 9. Connect the power supply and start the device to run the reducer 5. Set forward and reverse rotation. After a certain period of time, remove the reducer 5 to prepare for the next reducer 5 to be transported.

[0037] This utility model enables the reducer 5 to be detached from the device by setting a screw 4 and a fixing rod 3, making it convenient to replace the reducer 5; by setting a magnetic powder brake 6, the reducer 5 is run-in before leaving the factory, effectively reducing the operating noise of the reducer 5.

[0038] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model shall fall within the protection scope of the present utility model.

Claims

1. A device for reducing noise in a speed reducer, characterized by, The utility model provides a test frame, test bench, fixed rod, screw rod, speed reducer, magnetic powder brake and power box, the test bench, the magnetic powder brake and the power box all are fixed on the test frame, the test bench is set up with the screw thread hole that the screw rod rotates into, the fixed rod is set up with the first through -hole that the screw rod passes through, the nut of screw rod is located the outer wall of fixed rod, the speed reducer is fixed between the test bench and the fixed rod through screw rod, the input end of speed reducer is connected with drive motor and the output end is connected the input end of magnetic powder brake.

2. The device for reducing noise of a speed reducer according to claim 1, characterized by, The test bench includes support seat, baffle and stable frame, the support seat is fixed on the test frame, the speed reducer is placed on the support seat, the baffle is fixed on the test frame and is located at one side of the support seat, the stable frame is fixed on the outside of the baffle.

3. The device for reducing noise of a speed reducer according to claim 2, characterized by, The baffle is set up with the second through -hole, and the output end of the speed reducer passes out from the second through -hole.

4. The device for reducing noise of a speed reducer according to claim 2, characterized by The support seat includes support and support plate, the support has multiple and is fixed on the test frame, the support plate is fixed on the top of multiple supports, and the speed reducer is placed on the support plate.

5. The device for reducing noise of a speed reducer according to claim 1, wherein The output end of the speed reducer and the input end of the magnetic powder brake are connected through the shaft coupling.

6. The device for reducing noise of a speed reducer according to claim 1, wherein The screw rod has two, and is respectively set up at both sides of the speed reducer.

7. The device for reducing noise of a speed reducer according to claim 1, characterized by The power box is set up with the torsion control board.

8. The device for reducing noise of a speed reducer according to claim 1, characterized by, The power box is set up with the positive rotation button, the reverse rotation button and the stop button.

9. The device for reducing noise of a speed reducer according to claim 1, characterized by, The power box is set up with the power socket.

10. The device for reducing noise of a speed reducer according to claim 1, characterized by, The output end of the drive motor is fixed with the first flange, the input end of the speed reducer is fixed with the second flange, and the first flange and the second flange are fixed in cooperation.