Brake device for rotary speed reducer

By introducing brake guidance, mounting clips, and stabilizing rotation mechanisms into the rotary reducer, the problems of brake pad misalignment and complex installation are solved, achieving braking stability and ease of maintenance, and improving equipment operating efficiency and reliability.

CN223806518UActive Publication Date: 2026-01-16MAANSHAN LIWO TRANSMISSION EQUIP CO LTD
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Patent Information

Application Number
CN202520731214.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-17
Publication Date
2026-01-16
Estimated Expiration
2035-04-17

AI Technical Summary

Technical Problem

The brake pads of existing rotary reducers are prone to misalignment, leading to unstable braking. Furthermore, the installation and disassembly of the braking components are complex, affecting maintenance efficiency and equipment operational stability.

Method used

A braking device including a braking guide mechanism, a mounting and snapping mechanism, and a stabilizing rotation mechanism was designed. The brake pad position is stabilized by the cooperation of the guide frame and the moving frame. The snapping tube and snapping rod enable quick installation and disassembly. The support structure of the stabilizing rotation ring ensures rotational stability.

Benefits of technology

It improves the stability and efficiency of the braking process, simplifies the installation and maintenance process, reduces the risk of brake pad misalignment, extends equipment life, and improves system reliability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a brake device for a rotary speed reducer, which comprises a speed reducer body, a brake guide mechanism, an installation clamping mechanism and a stable rotating mechanism, and the brake guide mechanism comprises a brake box, a hydraulic cylinder, a moving frame, a guide frame and a brake pad. The mounting clamping mechanism comprises a clamping pipe, a clamping rod, a clamping groove, a stretching spring rod, a rotating ring, an unlocking block and a pressing block, the brake guide mechanism is matched with the moving frame through the guide frame, so that the brake pad is stably guided in the moving process, the brake pad is prevented from deviating, the stability of the braking process and the uniformity of the braking effect are ensured, and the service life of the brake pad is prolonged. The brake assembly can be rapidly clamped and disassembled through the installation clamping mechanism, the installation, maintenance and overhaul processes of equipment are simplified, and especially due to the rapid clamping design of a clamping pipe and a clamping rod, the manual operation complexity is reduced, and the maintenance efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of speed reducer, more specifically, it relates to a brake device for rotary speed reducer. BACKGROUND

[0002] In the prior art, the brake device of rotary speed reducer usually relies on the friction of brake pad to achieve deceleration and stop. However, during the movement of brake pad, due to the installation method of brake pad or the inaccuracy of cooperation with other components, the brake pad is prone to deviation, which will affect the friction effect of brake pad, making the braking process unstable, thereby reducing the braking efficiency of rotary speed reducer, and even possibly causing the risk of brake failure, in addition, the deviation of brake pad may also exacerbate the wear of brake device, shorten its service life, and thus increase the maintenance cost and replacement frequency.

[0003] Another problem is that the installation and disassembly process of brake assembly is usually complex, in the existing design, the structure of brake device is relatively compact, and the cooperation between brake pad and other components is relatively close, which requires disassembling multiple components during maintenance or overhaul, which is time-consuming and easy to damage other components, especially when replacing brake pad or performing maintenance, the operator must have high professional knowledge and skills, and improper operation may cause secondary damage or improper installation, thereby affecting the overall system efficiency.

[0004] This inconvenient design makes the daily maintenance of rotary speed reducer more difficult, prolongs the maintenance cycle, increases the equipment downtime, and ultimately affects the overall operation efficiency of the equipment and the production plan, therefore, how to design a rotary speed reducer brake device that can reduce the deviation of brake pad, improve the braking stability, and simplify the installation and disassembly process of brake assembly has become a big problem in the current technology. CONTENT OF THE UTILITY MODEL

[0005] (I) Technical problem solved

[0006] In view of the problems existing in the prior art, the utility model provides a brake device for rotary speed reducer to solve the technical problems that the brake pad is prone to deviation during movement, and the installation and disassembly of brake assembly are not convenient, resulting in inconvenient maintenance or overhaul.

[0007] (II) Technical scheme

[0008] To achieve the above object, the utility model provides the following technical scheme: A kind of brake device for rotary speed reducer, including speed reducer body, brake guiding mechanism, installation clamping mechanism and stable rotating mechanism, the brake guiding mechanism includes brake box, hydraulic cylinder, moving frame, guiding frame and brake pad, brake box is installed on the side of speed reducer body, hydraulic cylinder is installed in the inside of brake box, moving frame is installed in the output end of hydraulic cylinder, guiding frame is set in the bottom of brake box, two groups of brake pads are installed in the bottom of moving frame and brake box, moving frame is cooperated with sliding guide setting on guiding frame, the installation clamping mechanism includes clamping pipe, clamping rod, clamping groove, spring rod, rotating ring, unlocking block and compression block, clamping groove is set on the side wall of clamping rod, spring rod is transversely slidably installed on the side wall of clamping pipe, rotating ring is limit rotation and is installed on the outer wall of clamping pipe, unlocking block and compression block are installed on the inner wall of rotating ring, rotating ring is reciprocating rotated, so that unlocking block and compression block push or compress one end of spring rod, and one end of spring rod is inserted into or away from clamping groove.

[0009] The utility model further sets up, stable rotating mechanism includes bottom swivel ring, support spring, support rod and bottom ring, bottom swivel ring is installed in the bottom end of rotating ring, bottom ring is fixedly installed on the side wall bottom end of clamping pipe, and a plurality of support rods are longitudinally slidably arranged on the bottom ring, and support spring is installed between one end of support rod and bottom ring, one end of support spring is pressed to the bottom of bottom swivel ring, so that bottom swivel ring and rotating ring are stably rotated.

[0010] The utility model further sets up, the side of speed reducer body is equipped with lateral frame, and installation clamping mechanism is installed on lateral frame, lateral frame provides installation platform, and connection stability is enhanced.

[0011] The utility model further sets up, the side wall bottom end of clamping pipe is equipped with connecting plate, and connecting plate is fixedly installed on lateral frame, and the setting of connecting plate facilitates the stable installation of clamping pipe.

[0012] The utility model further sets up, installing plate is installed on the side of guiding frame, and clamping rod is installed on installing plate, and the setting of installing plate facilitates the installation of clamping rod.

[0013] The utility model further sets up, one end of clamping rod extends through lateral frame and is inserted into the inside of clamping pipe and is matched with quick clamping setting, and clamping pipe and clamping rod realize quick installation and fixation.

[0014] The utility model further sets up, the output end of speed reducer body is equipped with speed reduction shaft, and brake pad is installed on speed reduction, and brake pad is arranged between two brake pads, brake pad provides brake friction surface, and brake effect is enhanced.

[0015] The utility model further provides for, the side wall of the clamping pipe is equipped with the thread ring with screw connection, the bottom end of thread ring is equipped with friction piece, and the friction piece is pressed in the top end of rotating ring, and thread ring realizes accurate regulation, ensures that rotating ring is fixed on the outer wall of clamping pipe.

[0016] (Three) beneficial effects

[0017] Compared with the prior art, the utility model provides a kind of braking device for rotary speed reducer, with following beneficial effects:

[0018] The utility model sets up brake guiding mechanism, brake guiding mechanism keeps stable guiding in the movement process of brake pad by the cooperation of guiding frame and moving frame, prevents brake pad from deviating, to ensure the stability of braking process and the uniformity of braking effect, the cooperation of hydraulic cylinder and brake pad can quickly and accurately apply braking force when needed, improve the braking efficiency of rotary speed reducer, reduce the risk of brake failure.

[0019] The utility model sets up installation clamping mechanism, and the cooperation of clamping pipe, clamping rod, clamping groove, extension spring rod and other components makes that brake assembly can realize quick clamping and disassembly, simplifies the installation, maintenance and overhaul process of equipment, especially the quick clamping design of clamping pipe and clamping rod reduces the complexity of manual operation, improves maintenance efficiency, the compression effect of extension spring rod ensures the firm connection of each component, avoids loosening in long time operation, increases the reliability of overall system.

[0020] The utility model sets up stable rotating mechanism, and the cooperation of bottom rotating ring, support spring and support rod makes that rotating ring can rotate stably in work, avoids unstable movement caused by friction or uneven pressure of rotating ring, to reduce the abrasion of rotating ring, improve the operation efficiency and life of overall system, the pressure effect of support spring effectively prevents the inclination or unstable rotation of rotating ring, ensures the accurate control of braking device, to further enhance the overall work stability of rotary speed reducer. ACCURACY

[0021] Figure 1 It is the overall structure schematic view of device in the utility model in unused state;

[0022] Figure 2 It is the structure schematic view in the utility model;

[0023] Figure 3 It is the structure schematic view in the utility model;

[0024] Figure 4 It is the structure schematic view in the utility model;

[0025] Figure 5The utility model discloses a structure schematic view in the utility model.

[0026] In the figure: 1, speed reducer body;2, brake box;3, hydraulic cylinder;4, moving frame;5, guide frame;6, brake pad;7, clamping pipe;8, clamping rod;9, clamping groove;10, spring rod that extends into;11, rotating ring;12, unlocking block;13, compression block;14, bottom rotating ring;15, support spring;16, support rod;17, bottom ring;18, lateral frame;19, connecting plate;20, mounting plate;21, speed reduction shaft;22, brake pad;23, threaded ring;24, friction plate. DETAILED DESCRIPTION

[0027] It needs to be explained that the embodiment in the application and the features in the embodiment can be combined mutually without conflict.

[0028] It needs to be pointed out that all the technical and scientific terms used in the application have the same meaning as that understood by the ordinary skilled person in the technical field to which the application belongs, unless otherwise indicated.

[0029] In the utility model, the orientation such as "up, down" is usually for the direction shown in the drawing or for the vertical, perpendicular or gravity direction, unless otherwise stated.

[0030] Please refer to Figures 1-5 A brake device for rotary speed reducer, including speed reducer body 1, brake guide mechanism, installation clamping mechanism and stable rotating mechanism, brake guide mechanism includes brake box 2, hydraulic cylinder 3, moving frame 4, guide frame 5 and brake pad 6, brake box 2 is installed on the side of speed reducer body 1, hydraulic cylinder 3 is installed in the inside of brake box 2, moving frame 4 is installed in the output end of hydraulic cylinder 3, guide frame 5 is set in the bottom of brake box 2, two groups of brake pad 6 are installed in the bottom of moving frame 4 and brake box 2, moving frame 4 is set in the sliding guide of guide frame 5, installation clamping mechanism includes clamping pipe 7, clamping rod 8, clamping groove 9, spring rod 10 that extends into, rotating ring 11, unlocking block 12 and compression block 13, clamping groove 9 is set on the side wall of clamping rod 8, spring rod 10 that extends into is transversely slidably installed on the side wall of clamping pipe 7, rotating ring 11 is limit rotation installation on the outer wall of clamping pipe 7, unlocking block 12 and compression block 13 are installed on the inner wall of rotating ring 11, reciprocating rotating ring 11 makes unlocking block 12 and compression block 13 push or compress one end of spring rod 10 that extends into, and one end of spring rod 10 that extends into is inserted or away from clamping groove 9.

[0031] In the embodiment, the hydraulic cylinder 3 drives the moving frame 4 to slide on the guide frame 5, ensuring the accuracy of the movement trajectory, and two sets of brake pads 6 are respectively installed on the moving frame 4 and the bottom of the brake box 2. When braking is needed, the hydraulic cylinder 3 pushes the moving frame 4 to make the brake pads 6 form clamping braking on the brake pads 22 on the speed reducer shaft 21. The design of the guide frame 5 ensures the alignment of the brake pads 6, and the clamping rod 8 on the mounting plate 20 provides stable support for the entire mechanism, achieving a stable and controllable braking effect. The connecting plate 19 firmly installs the clamping pipe 7 on the lateral frame 18, forming a stable support structure, making installation and removal simple and fast, while ensuring the reliability of the connection. The clamping rod 8 passes through the lateral frame 18 and extends into the clamping pipe 7, and the extension spring rod 10 cooperates with the clamping groove 9 on the clamping rod 8. The rotating ring 11 controls the extension spring rod 10 through the unlocking block 12 and the pressing block 13. The reciprocating rotation of the rotating ring 11 realizes locking and unlocking. The threaded ring 23 and the friction plate 24 ensure the position of the rotating ring 11.

[0032] The stable rotating mechanism includes a bottom rotating ring 14, a support spring 15, a support rod 16, and a bottom ring 17. The bottom rotating ring 14 is installed at the bottom end of the rotating ring 11, the bottom ring 17 is fixedly installed at the bottom end of the side wall of the clamping pipe 7, a plurality of support rods 16 are longitudinally slidably arranged on the bottom ring 17, and the support spring 15 is installed between one end of the support rod 16 and the bottom ring 17. One end of the support spring 15 is pressed against the bottom of the bottom rotating ring 14, so that the bottom rotating ring 14 and the rotating ring 11 stably rotate.

[0033] In the embodiment, the bottom rotating ring 14 and the rotating ring 11 form a linkage structure, a plurality of support rods 16 longitudinally slide on the bottom ring 17, and the support spring 15 provides elastic support between the support rod 16 and the bottom ring 17. The support rod 16 continuously presses against the bottom of the bottom rotating ring 14, and the overall structure ensures the stable rotation of the rotating ring 11, not only providing reliable support, but also achieving smoothness during rotation.

[0034] Please refer to Figures 1-5 , as a supplement to the braking guide mechanism, the installation clamping mechanism and the stable rotating mechanism, a braking device for a rotary speed reducer: the side of the speed reducer body 1 is provided with a lateral frame 18, the installation clamping mechanism is installed on the lateral frame 18, the bottom end of the side wall of the clamping pipe 7 is provided with a connecting plate 19, and the connecting plate 19 is fixedly installed on the lateral frame 18, the side of the guide frame 5 is provided with a mounting plate 20, and the mounting plate 20 is provided with a clamping rod 8, one end of the clamping rod 8 extends through the lateral frame 18 and extends into the clamping pipe 7 to form a quick clamping structure, the output end of the speed reducer body 1 is provided with a speed reducer shaft 21, and the speed reducer shaft 21 is provided with a brake pad 22, and the brake pad 22 is arranged between the two sets of brake pads 6. The side wall of the clamping pipe 7 is threadedly connected with a threaded ring 23, the bottom end of the threaded ring 23 is provided with a friction plate 24, and the friction plate 24 is pressed against the top end of the rotating ring 11.

[0035] More specifically, the brake box 2 is installed to the side of the reducer body 1, the installation position of the lateral frame 18 is confirmed, the components of the clamping system are installed, the working state of the guide system is checked, the clamping rod 8 is inserted through the lateral frame 18, the clamping pipe 7 is aligned and inserted into position, the rotating ring 11 is rotated for locking, the connection stability is checked, the working state of the hydraulic system is checked, the position of the brake pad 6 is confirmed, the hydraulic cylinder 3 starts to push the moving frame 4, the guide frame 5 ensures the accuracy of movement, the brake pad 6 clamps the brake shoe 22, and a smooth braking effect is achieved.

[0036] In summary, when the braking guide mechanism needs to be operated, the hydraulic cylinder 3 drives the moving frame 4 to slide on the guide frame 5, ensuring the accuracy of the movement trajectory, and two sets of brake pads 6 are installed on the moving frame 4 and the bottom of the brake box 2, respectively. When braking is needed, the hydraulic cylinder 3 pushes the moving frame 4, so that the brake pad 6 forms a clamping brake on the brake shoe 22 on the reduction shaft 21, the design of the guide frame 5 ensures the alignment of the brake pad 6, and the clamping rod 8 on the mounting plate 20 provides stable support for the entire mechanism, achieving a smooth and controllable braking effect.

[0037] When the clamping mechanism needs to be installed and operated, the connecting plate 19 firmly installs the clamping pipe 7 on the lateral frame 18, forming a stable support structure, making installation and removal simple and fast, while ensuring the reliability of the connection. The clamping rod 8 extends into the clamping pipe 7 through the lateral frame 18, the extension spring 10 cooperates with the clamping groove 9 on the clamping rod 8, the rotating ring 11 controls the extension spring 10 through the unlocking block 12 and the pressing block 13, the reciprocating rotation of the rotating ring 11 realizes locking and unlocking, and the threaded ring 23 and the friction plate 24 ensure the position of the rotating ring 11.

[0038] When the stable rotating mechanism needs to be operated, the bottom rotating ring 14 forms a linkage structure with the rotating ring 11, multiple sets of support rods 16 slide longitudinally on the bottom ring 17, the support spring 15 provides elastic support between the support rod 16 and the bottom ring 17, the support rod 16 continuously presses the bottom of the bottom rotating ring 14, and the overall structure ensures the stable rotation of the rotating ring 11, not only providing reliable support, but also achieving smoothness during rotation.

[0039] More specifically, the brake box 2 is installed to the side of the reducer body 1, the installation position of the lateral frame 18 is confirmed, the components of the clamping system are installed, the working state of the guide system is checked, the clamping rod 8 is inserted through the lateral frame 18, the clamping pipe 7 is aligned and inserted into position, the rotating ring 11 is rotated for locking, the connection stability is checked, the working state of the hydraulic system is checked, the position of the brake pad 6 is confirmed, the hydraulic cylinder 3 starts to push the moving frame 4, the guide frame 5 ensures the accuracy of movement, the brake pad 6 clamps the brake shoe 22, and a smooth braking effect is achieved.

[0040] In all the above-mentioned solutions, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection or other known connection mode, which will not be described here. In the above, whenever there is a fixed connection, welding is preferred. Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A brake device for a slewing reducer, comprising a reducer body (1), a brake guide mechanism, a mounting clamping mechanism and a stable rotation mechanism, characterized in that: The brake guide mechanism comprises a brake box (2), a hydraulic cylinder (3), a moving frame (4), a guide frame (5) and brake pads (6), the brake box (2) is installed on the side of the speed reducer body (1), the hydraulic cylinder (3) is installed inside the brake box (2), the moving frame (4) is installed at the output end of the hydraulic cylinder (3), the guide frame (5) is arranged at the bottom of the brake box (2), two groups of brake pads (6) are installed at the bottom of the moving frame (4) and the brake box (2), and the moving frame (4) is arranged in cooperation with sliding guide on the guide frame (5).

2. A brake device for a rotary speed reducer according to claim 1, characterized in that: The stable rotating mechanism comprises a bottom rotating ring (14), a supporting spring (15), a supporting rod (16) and a bottom ring (17), the bottom rotating ring (14) is installed at the bottom end of the rotating ring (11), the bottom ring (17) is fixedly installed at the bottom end of the side wall of the clamping pipe (7), a plurality of groups of supporting rods (16) are longitudinally and slidably arranged on the bottom ring (17), and the supporting spring (15) is installed between one end of the supporting rod (16) and the bottom ring (17), one end of the supporting spring (15) is pressed towards the bottom of the bottom rotating ring (14), so that the bottom rotating ring (14) and the rotating ring (11) are stably rotated.

3. A brake device for a rotary speed reducer according to claim 1, characterized in that: The side of the speed reducer body (1) is provided with a lateral frame (18), and the clamping mechanism is installed on the lateral frame (18).

4. A brake device for a rotary speed reducer according to claim 3, characterized in that: The side wall bottom end of the clamping pipe (7) is provided with a connecting plate (19), and the connecting plate (19) is fixedly installed on the lateral frame (18).

5. A brake device for a rotary speed reducer according to claim 1, characterized in that: The lateral surface of the guide frame (5) is provided with a mounting plate (20), and the clamping rod (8) is installed on the mounting plate (20).

6. A brake device for a rotary speed reducer according to claim 3, characterized in that: One end of the clamping rod (8) extends through the lateral frame (18) and extends into the inside of the clamping pipe (7) to be matched with the quick clamping.

7. A brake device for a rotary speed reducer according to claim 1, characterized in that: The output end of the speed reducer body (1) is provided with a reduction shaft (21), and the reduction shaft (21) is provided with a brake pad (22), and the brake pad (22) is arranged between the two groups of brake pads (6).

8. A brake device for a rotary speed reducer according to claim 1, characterized in that: The side wall of the clamping pipe (7) is provided with a threaded ring (23) in threaded connection, the bottom end of the threaded ring (23) is provided with a friction pad (24), and the friction pad (24) is pressed against the top end of the rotating ring (11).