Rotary speed reducer with good stability

By increasing the chassis, adding spring dampers and dual output shafts in the slewing reducer, the problems of insufficient stability and low applicability of traditional slewing reducers are solved, and higher stability and flexibility are achieved.

CN222542991UInactive Publication Date: 2025-02-28WUHAN ZHONGWEI DEYUAN HYDRAULIC MASCH CO LTD
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Patent Information

Application Number
CN202421430872.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-21
Publication Date
2025-02-28
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Traditional slewing reducers have weak stability, are prone to vibration and noise, and only a single output shaft is set up, which has low applicability and flexibility.

Method used

By increasing the reducer chassis, adding multiple spring dampers, and adding dual output shafts, the combination of meshing gears and spring dampers can improve stability and applicability.

Benefits of technology

Effectively reduces vibration and noise generation, strengthens the stability of the equipment, and improves applicability and flexibility through dual output shafts.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of speed reducers, and discloses a rotary speed reducer with good stability, which comprises an upper shell and an input shaft, a lower shell is fixedly arranged at the lower end of the upper shell, a plurality of planet gears are fixedly arranged at the lower end of the input shaft, and a sun gear is clamped in the middle of the upper shell. A mounting plate is fixedly arranged at the upper end of the outer surface of the lower shell, a spring damper is fixedly arranged at the lower end of the mounting plate through threads, an empty groove is formed in the middle of the lower shell, a first gear is rotationally arranged on one side of the interior of the empty groove, and rotating shafts are fixedly arranged in the middle and on the other side of the top face in the empty groove. According to the speed reducer, the chassis of the speed reducer is enlarged, a plurality of spring dampers are additionally arranged, the stability of the speed reducer is enhanced, vibration of the speed reducer is reduced, the speed reducer is provided with the double output shafts, installation with different mechanisms is facilitated, the practicability of the speed reducer is improved, and the speed reducer is convenient to use.
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Description

Technical Field

[0001] The utility model relates to the technical field of reducers, in particular to a rotary reducer with good stability. Background Art

[0002] The rotary reducer is a full-circle rotary reduction transmission mechanism that integrates a driving power source. It uses a slewing bearing as a transmission follower and a mechanism attachment. The active part, the driving source and the cover are attached to one of the inner and outer circles of the slewing bearing, and the other circle is used as both a transmission follower and a connection base for the driven working parts. In this way, the slewing bearing itself is a full-circle rotary connection part, and the driving power source and the main transmission parts are efficiently configured, making it a universal reduction transmission mechanism that integrates rotation, reduction and driving functions while having a simple structure and is easy to manufacture and maintain.

[0003] Although the traditional slewing reducer has a simple structure, it has weak stability and will generate vibration and noise when in use. In addition, the traditional slewing reducer is usually only provided with a single output shaft, and has low applicability and flexibility and cannot meet people's needs. Therefore, the utility model provides a slewing reducer with good stability 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 existing in the prior art and to propose a slewing reducer with good stability. The device increases the reducer chassis and adds a plurality of spring dampers, which is beneficial to enhancing the stability of the device and reducing the vibration of the device. The device is provided with a double output shaft, which is convenient for installation with different mechanisms, thereby improving the practicality of the device and facilitating its use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a slewing reducer with good stability, comprising an upper housing and an input shaft, wherein a lower housing is fixedly arranged at the lower end of the upper housing, a plurality of planetary gears are fixedly arranged at the lower end of the input shaft, a sun gear is clamped and arranged at the middle of the upper housing, a mounting plate is fixedly arranged at the upper end of the outer surface of the lower housing, and a spring damper is fixedly arranged at the lower end of the mounting plate by means of threads;

[0006] A slot is provided in the middle of the lower housing, a No. 1 gear is rotatably arranged at one side of the slot, a rotating shaft is fixedly arranged at the middle of the top surface of the slot and at the other side, a No. 3 gear is fixedly arranged at the lower end of one of the two rotating shafts on the other side, a No. 2 gear is fixedly arranged at the lower end of the middle one of the two rotating shafts, a No. 1 output shaft is fixedly arranged at the lower end of the No. 3 gear, and a No. 2 output shaft is fixedly arranged at the lower end of the No. 1 gear;

[0007] Through the above technical scheme, the upper shell and the lower shell are conducive to protecting the internal parts, the input shaft is conducive to driving the internal planetary gear to rotate, the planetary gear is conducive to driving the middle sun gear to rotate slowly when rotating, the mounting plate is conducive to the threaded installation and fixation of the spring damper, the spring damper is conducive to buffering the vibration generated when the reducer rotates, and reducing the generation of noise, the empty slot is conducive to the installation of the No. 1 gear, the upper end of the No. 1 gear is fixedly connected to the vertical shaft of the reducer, the rotating shaft is conducive to the installation and fixation of the No. 2 gear and the No. 3 gear, the meshing setting of the three gears is conducive to simultaneous rotation, and the setting of the No. 1 output shaft and the No. 2 output shaft is conducive to the connection of multiple connection ports, thereby enhancing flexibility and applicability.

[0008] Furthermore, the first gear, the second gear and the third gear are all meshed, and a mounting block is fixedly disposed at the lower end of each of the plurality of spring dampers;

[0009] Through the above technical solution, the meshing setting is conducive to the simultaneous rotation of multiple gears, and the mounting block is conducive to the threaded installation of the lower end of the spring damper and other equipment, thereby improving the stability of the device.

[0010] Furthermore, a plurality of threaded holes are provided on the upper ends of the plurality of mounting blocks, and the plurality of threaded holes are fixed to the device threads by screws;

[0011] Through the above technical solution, the provision of the threaded holes is conducive to fixing the device with the screws.

[0012] Furthermore, an outer gear ring is fixedly arranged on the inner surface of the upper housing, and the plurality of planetary gears, the sun gear and the outer gear ring are all meshed;

[0013] Through the above technical solution, the outer ring gear is conducive to cooperating with the planetary gear to rotate, thereby enhancing the stability during rotation.

[0014] Furthermore, an upper sealing cover is provided at the upper end of the upper shell through a thread, and a lower sealing cover is provided at the middle position of the lower end of the lower shell through a thread;

[0015] Through the above technical solution, the arrangement of the upper sealing cover and the lower sealing cover is helpful to prevent dust from entering the interior.

[0016] Furthermore, a plurality of mounting holes are provided at the lower side of the upper end of the lower housing;

[0017] Through the above technical solution, the mounting hole is conducive to the installation of the device.

[0018] Furthermore, the plurality of mounting holes cooperate with screws to fix the device;

[0019] Through the above technical solution, the mounting holes are conducive to the fixing and mounting of the device with screws.

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

[0021] 1. The utility model proposes a slewing reducer with good stability. Although the traditional slewing reducer has a simple structure, it has weak stability and will vibrate and generate noise when in use. In addition, the traditional slewing reducer is usually only provided with a single output shaft, and has low applicability and flexibility and cannot meet people's needs. The device increases the chassis of the reducer and adds multiple spring dampers, which is conducive to enhancing the stability of the device and reducing the vibration of the device. The device is provided with dual output shafts, which is convenient for installation with different mechanisms, thereby improving the practicality of the device and facilitating its use.

[0022] 2. The utility model proposes a slewing reducer with good stability. The device is provided with a larger base, and the base is then fixed to the lower device by threads. The larger base not only has a large bearing force but also makes the whole more stable. A plurality of mounting plates are also provided on the outer surface of the lower shell. A spring damper is fixed to the lower end of the mounting plate by threads. The spring damper is fixed to the lower device by the mounting block and the threaded hole at the lower end. This not only increases the fixing area, but also buffers the vibration generated by the reducer, making it easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the expansion axonometric view of the utility model;

[0024] Figure 2 It is an axonometric diagram of the input shaft of the utility model;

[0025] Figure 3 This is a bottom-up axonometric schematic diagram of the present invention;

[0026] Figure 4 It is an axonometric schematic diagram of the utility model;

[0027] Figure 5 It is an axonometric schematic diagram of the lower sealing cover of the utility model.

[0028] Legend:

[0029] 1. Upper housing; 2. Lower housing; 3. Outer ring gear; 4. Input shaft; 5. Planetary gear; 6. Sun gear; 7. Gear No. 1; 8. Empty slot; 9. Rotating shaft; 10. Gear No. 2; 11. Gear No. 3; 12. Output shaft No. 1; 13. Output shaft No. 2; 14. Upper sealing cover; 15. Mounting plate; 16. Spring damper; 17. Mounting block; 18. Mounting hole; 19. Threaded hole; 20. Lower sealing cover. 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 1-5 The utility model provides an embodiment: a slewing reducer with good stability, comprising an upper shell 1 and an input shaft 4, a lower shell 2 is fixedly arranged at the lower end of the upper shell 1, a plurality of planetary gears 5 are fixedly arranged at the lower end of the input shaft 4, a sun gear 6 is clamped and arranged in the middle of the upper shell 1, a mounting plate 15 is fixedly arranged at the upper end of the outer surface of the lower shell 2, a spring damper 16 is fixedly arranged at the lower end of the mounting plate 15 by threaded fixing, an empty slot 8 is opened in the middle of the lower shell 2, a No. 1 gear 7 is rotatably arranged at one side of the empty slot 8, a rotating shaft 9 is fixedly arranged at the middle and other side of the top surface of the empty slot 8, a No. 3 gear 11 is fixedly arranged at the lower end of one of the other sides of the two rotating shafts 9, a No. 2 gear 10 is fixedly arranged at the lower end of the middle one of the two rotating shafts 9, a No. 1 output shaft 12 is fixedly arranged at the lower end of the No. 3 gear 11, and a No. 2 output shaft 13 is fixedly arranged at the lower end of the No. 1 gear 7.

[0032] The device increases the chassis of the reducer and adds a plurality of spring dampers 16, which is beneficial to enhancing the stability of the device and reducing the vibration of the device. The device is provided with a double output shaft, which is convenient for installation with different mechanisms, improves the practicality of the device and is convenient for use. The upper shell 1 and the lower shell 2 are beneficial for protecting the internal parts. The input shaft 4 drives the middle planetary gear 5 to rotate, and the planetary gear 5 drives the sun gear 6 to reduce the rotation when rotating. The sun gear 6 drives the lower end reducer vertical shaft to rotate. The reducer vertical shaft is fixed to the lower end No. 1 gear 7, the No. 1 gear 7 is meshed with the No. 2 gear 10, and the No. 2 gear 10 is meshed with the No. 3 gear 11, which is convenient for driving the lower end output shaft to rotate, thereby enhancing the practicality of the device.

[0033] The first gear 7, the second gear 10 and the third gear 11 are all meshed, a plurality of spring dampers 16 are fixedly provided with mounting blocks 17 at the lower ends, a plurality of mounting blocks 17 are provided with threaded holes 19 at the upper ends, a plurality of threaded holes 19 are threadedly fixed to the device through screws, an outer gear ring 3 is fixedly provided on the inner surface of the upper shell 1, a plurality of planetary gears 5 and a sun gear 6 are meshed with the outer gear ring 3, an upper sealing cover 14 is threadedly provided on the upper end of the upper shell 1, a lower sealing cover 20 is threadedly provided on the middle part of the lower end of the lower shell 2, a plurality of mounting holes 18 are provided at the lower side of the upper end of the lower shell 2, and the plurality of mounting holes 18 cooperate with screws to fix the device.

[0034] The meshing arrangement of multiple gears is conducive to the simultaneous rotation of multiple gears. The mounting block 17 is conducive to the threaded installation of the lower end of the spring damper 16 with other equipment, thereby improving the stability of the device. The arrangement of the threaded hole 19 is conducive to the fixing of the device with the screws. The outer gear ring 3 is conducive to the rotation with the planetary gear 5, thereby enhancing the stability during rotation. The arrangement of the upper sealing cover 14 and the lower sealing cover 20 is conducive to preventing dust from entering the interior. The mounting hole 18 is conducive to the fixing and installing of the device with the screws, thereby enhancing the stability of the device.

[0035] Working principle: When the device is used, the two output shafts are respectively matched to the corresponding output devices, and then the threaded rod is passed through the mounting hole 18 to fix the device, and then the threaded rod is passed through the threaded hole 19 to fix the spring damper 16 to enhance the stability of the device. The device drives the middle planetary gear 5 to rotate through the input shaft 4. When the planetary gear 5 rotates, it drives the sun gear 6 to reduce the rotation. The sun gear 6 drives the lower end reducer vertical shaft to rotate. The reducer vertical shaft is fixed to the lower end No. 1 gear 7, the No. 1 gear 7 is meshed with the No. 2 gear 10, and the No. 2 gear 10 is meshed with the No. 3 gear 11, so as to drive the lower end output shaft to rotate.

[0036] 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 rotary reducer with good stability, comprising an upper housing (1) and an input shaft (4), characterized in that: The lower end of the upper housing (1) is fixedly provided with a lower housing (2), the lower end of the input shaft (4) is fixedly provided with a plurality of planetary gears (5), the middle part of the upper housing (1) is clamped with a sun gear (6), a mounting plate (15) is fixedly provided at the upper end of the outer surface of the lower housing (2), and a spring damper (16) is fixedly provided at the lower end of the mounting plate (15) by means of threads; A slot (8) is provided in the middle of the lower housing (2), a first gear (7) is rotatably arranged at one side of the slot (8), a rotating shaft (9) is fixedly arranged at the middle of the top surface of the slot (8) and at the other side, a third gear (11) is fixedly arranged at the lower end of one of the two rotating shafts (9) at the other side, a second gear (10) is fixedly arranged at the lower end of the middle one of the two rotating shafts (9), a first output shaft (12) is fixedly arranged at the lower end of the third gear (11), and a second output shaft (13) is fixedly arranged at the lower end of the first gear (7).

2. A slewing reducer with good stability according to claim 1, characterized in that: The first gear (7), the second gear (10) and the third gear (11) are all meshed and arranged, and a mounting block (17) is fixedly arranged at the lower end of each of the plurality of spring dampers (16).

3. A slewing reducer with good stability according to claim 2, characterized in that: The upper ends of the plurality of mounting blocks (17) are each provided with a threaded hole (19), and the plurality of threaded holes (19) are threadably fixed to the device via screws.

4. A slewing reducer with good stability according to claim 1, characterized in that: An outer gear ring (3) is fixedly arranged on the inner surface of the upper housing (1), and the plurality of planetary gears (5) and the sun gear (6) are all meshed with the outer gear ring (3).

5. A slewing reducer with good stability according to claim 1, characterized in that: An upper sealing cover (14) is provided at the upper end of the upper shell (1) via a thread, and a lower sealing cover (20) is provided at the middle of the lower end of the lower shell (2) via a thread.

6. A slewing reducer with good stability according to claim 1, characterized in that: A plurality of mounting holes (18) are provided at the lower side of the upper end of the lower housing (2).

7. A slewing reducer with good stability according to claim 6, characterized in that: The plurality of mounting holes (18) cooperate with screws to fix the device.