Search

CN-224201052-U - Planetary gear set transmission structure based on lever principle

CN224201052UCN 224201052 UCN224201052 UCN 224201052UCN-224201052-U

Abstract

The utility model relates to the technical field of precise transmission devices, in particular to a planetary gear set transmission structure based on a lever principle. The solar energy power transmission device comprises an input end, an output end and a transmission end, wherein the input end is arranged at the top end of a fixed shell, the input end comprises a sun wheel, the sun wheel is rotationally connected with the fixed shell, the transmission end is arranged in the fixed shell and used for transmitting power of the input end to the output end, the transmission end comprises a plurality of transmission shafts, the transmission shafts are uniformly distributed in the fixed shell and positioned at the outer side of the bottom end of the sun wheel, a first gear is fixed at the outer side of the top end of the transmission shaft, a second gear is fixed at the outer side of the bottom end of the transmission shaft, and the first gear is meshed and connected with the fixed shell. According to the planetary gear set transmission structure based on the lever principle, provided by the utility model, through the cooperation of the fixed shell, the output shaft and the transmission shaft, the power for driving the sun gear can be output through the transmission of the check ring, and more accurate transmission capacity can be further provided when the planetary gear set transmission structure is used.

Inventors

  • ZOU QUANLIN

Assignees

  • 邹全林

Dates

Publication Date
20260505
Application Date
20250710

Claims (9)

  1. 1. The planetary gear set transmission structure based on the lever principle is characterized by comprising an input end, an output end and a transmission end, wherein the input end is used for transmitting power and driving the output end to rotate through the transmission end; The input end is arranged at the top end of the fixed shell (1) and is used for transmitting power to the transmission end; The input end comprises a sun gear (2), and the sun gear (2) is rotationally connected with the fixed shell (1); The transmission end is arranged in the fixed shell (1) and is used for transmitting the power of the input end to the output end; The driving end comprises a plurality of driving shafts (7), the driving shafts (7) are uniformly distributed in the fixed housing (1) and positioned on the outer side of the bottom end of the sun gear (2), a first gear is fixed on the outer side of the top end of the driving shaft (7), a second gear is fixed on the outer side of the bottom end of the driving shaft (7), and the first gear is meshed and connected with the fixed housing (1); The output end comprises an output shaft (4) and an output ring (8), the output shaft (4) is fixed at the bottom of the output ring (8), a first annular gear (10) is fixed at the inner side of the output ring (8), and the inner side of the first annular gear (10) is connected with a second gear in a meshed mode.
  2. 2. The planetary gear set transmission structure based on the lever principle according to claim 1, wherein the first gear and the second gear are hard-connected to form a lever arm, the first gear and the first ring gear (10) are connected through meshing as a fulcrum, and the second gear and the second ring gear (15) output power through meshing.
  3. 3. The planetary gear set transmission structure based on the lever principle according to claim 1, wherein a bump (5) is fixed on the outer side of the top end of the fixed housing (1), and a mounting hole (3) is formed in the fixed housing (1) and at a position corresponding to the bump (5).
  4. 4. The planetary gear set transmission structure based on the lever principle according to claim 1, wherein a first annular groove (13) is formed in the top end of the fixed housing (1), and a second clamping ring (12) is connected to the inner side of the first annular groove (13) in a clamping manner.
  5. 5. The planetary gear set transmission structure based on the lever principle according to claim 1, wherein a cavity (14) and an assembly cavity (16) are sequentially formed in the fixed housing (1) from top to bottom, a second annular gear (15) is fixed at the top end of the interior of the assembly cavity (16), and the second annular gear (15) is meshed and connected with the first gear.
  6. 6. The planetary gear set transmission structure based on the lever principle according to claim 5, characterized in that the diameter of the cavity (14) is smaller than the diameter of the assembly cavity (16), and the inner diameter of the second ring gear (15) is larger than the outer diameter of the cavity (14).
  7. 7. The planetary gear set transmission structure based on the lever principle according to claim 5, wherein a retainer ring (6) is slidably connected to the bottom end of the cavity (14) and inside the fixed housing (1).
  8. 8. The planetary gear set transmission structure based on the lever principle according to claim 5, wherein a limiting ring (9) is slidably connected to the inner part of the assembly cavity (16) and located at the bottom end of the second ring gear (15).
  9. 9. The planetary gear set transmission structure based on the lever principle according to claim 1, wherein a second ring groove (17) is formed in the bottom end of the inside of the fixed housing (1), and a first clamping ring (11) is connected to the inside of the second ring groove (17) in a clamping manner.

Description

Planetary gear set transmission structure based on lever principle Technical Field The utility model relates to the technical field of precise transmission devices, in particular to a planetary gear set transmission structure based on a lever principle. Background Currently, there are a number of problems with speed reducers used in the fields of industrial automation lines, robotics manufacturing, aerospace, and the like. Although the planetary reducer and the gear reducer have higher efficiency, the speed reduction is smaller, and a plurality of stages are usually required to achieve the required speed reduction ratio, so that a larger gap is caused, and the transmission precision is affected. Although the speed reduction ratio of the harmonic speed reducer is relatively large, the processing of the harmonic speed reducer is difficult, the flexible wheel is easy to age, and the efficiency is low. The worm gear reducer can realize a large reduction ratio, but has the problem of low efficiency. These deficiencies limit the improvement of the performance of the devices in the related art and cannot meet the increasing demands for high precision and high efficiency. With the development of repeated positioning precision of industrial robots to +/-0.01 mm, the medical operation robots require that the volume of a transmission system is reduced by more than 40%, and development of a novel transmission device with high reduction ratio, low vibration and compact structure is needed. For this purpose, a planetary gear set transmission structure based on the lever principle is designed to provide another technical solution to the technical problems. Disclosure of utility model Based on this, it is necessary to provide a planetary gear set transmission structure based on the lever principle for solving the technical problems set forth in the background art. In order to solve the technical problems, the utility model adopts the following technical scheme: The planetary gear set transmission structure based on the lever principle comprises an input end, an output end and a transmission end, wherein the input end is used for transmitting power and driving the output end to rotate through the transmission end; The input end is arranged at the top end of the fixed shell and is used for transmitting power to the transmission end; the input end comprises a sun gear which is rotationally connected with the fixed shell; The transmission end is arranged in the fixed shell and used for transmitting the power of the input end to the output end; the driving end comprises a plurality of driving shafts, the driving shafts are uniformly distributed in the fixed shell and positioned at the outer side of the bottom end of the sun wheel, a first gear is fixed at the outer side of the top end of the driving shaft, a second gear is fixed at the outer side of the bottom end of the driving shaft, and the first gear is in meshed connection with the fixed shell; the output end comprises an output shaft and an output ring, the output shaft is fixed at the bottom of the output ring, a first annular gear is fixed at the inner side of the output ring, and the inner side of the first annular gear is connected with a second gear in a meshed mode. In one preferred embodiment of the planetary gear set transmission structure based on the lever principle, the first gear and the second gear are hard connected to form a lever arm, the first gear and the first annular gear are connected through meshing to serve as supporting points, and the second gear and the second annular gear output power through meshing. As a preferred implementation mode of the planetary gear set transmission structure based on the lever principle, a bump is fixed on the outer side of the top end of the fixed shell, and a mounting hole is formed in the fixed shell and corresponds to the bump. As a preferred implementation mode of the planetary gear set transmission structure based on the lever principle, a first annular groove is formed in the top end of the fixed shell, and a second clamping ring is connected to the inner side of the first annular groove in a clamping mode. As a preferred implementation mode of the planetary gear set transmission structure based on the lever principle, the inside of the fixed shell is sequentially provided with a cavity and an assembly cavity from top to bottom, the top end of the inside of the assembly cavity is fixedly provided with a second annular gear, and the second annular gear is in meshed connection with the first gear. As a preferred embodiment of the planetary gear set transmission structure based on the lever principle, the diameter of the cavity is smaller than that of the assembly cavity, and the inner diameter of the second annular gear is larger than that of the outer side of the cavity. As a preferred implementation mode of the planetary gear set transmission structure based on the lever principle, a check ring is connected insid