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Differential cycloidal-pin wheel speed change device

A technology of speed change device and cycloid gear, applied in the direction of transmission device, transmission device parts, gear transmission device, etc., can solve the problem of small application range and so on

Pending Publication Date: 2020-04-14
HSOAR GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The above-mentioned double cycloidal wheels are all engaged with the needle rollers arranged on the large pin gear housing and the small pin gear housing. The above technical scheme only has a high transmission ratio, no low transmission ratio, and the application range is small.

Method used

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  • Differential cycloidal-pin wheel speed change device
  • Differential cycloidal-pin wheel speed change device
  • Differential cycloidal-pin wheel speed change device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Embodiment 1, as attached Figure 1-5 , the inner peripheral surface of the installation cavity 21 is provided with second needle rollers 211 uniformly distributed along its circumference and second grooves 212 for the second needle rollers 211 to be installed, and each second needle roller 211 is exposed in the second grooves The part outside 212 surrounds the first hypocycloidal tooth A2, and the first epicycloidal tooth A1 and the second needle roller 211 form a cycloidal movement in mesh.

Embodiment 2

[0030] Embodiment 2, as attached Figure 6-10 , the first hypocycloidal tooth A2 is integrated with the body 2 .

[0031] The first hypocycloidal teeth A2 can be directly arranged on the inner wall of the installation cavity 21 and integrally arranged with the body 2 , or can be formed by the second needle roller 211 , which has a wide range of applications.

[0032] The number of tooth profiles of the first hypocycloidal teeth A2 is one more than that of the first epicycloidal teeth A1, and the number of tooth profiles of the second hypocycloidal teeth B1 is one more than that of the second epicycloidal teeth B2. The number of tooth profiles is 1 more.

[0033] The number of tooth profiles of the first hypocycloidal teeth A2 may be 1-n more than the number of tooth profiles of the first epicycloidal teeth A1, and the number of tooth profiles of the second hypocycloidal teeth B1 is greater than that of the second epicycloidal teeth The number of tooth profiles of B2 is 1-n m...

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PUM

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Abstract

The invention relates to the technical field of mechanical transmission, and especially discloses a differential cycloidal-pin wheel speed change device. The speed change device comprises a cycloidalgear, a mounting cavity for mounting the cycloidal gear is formed in the body of the speed change device, the cycloidal gear is eccentrically driven by an input shaft in the speed change device, firstepicycloidal teeth are arranged on the outer circumferential face of the cycloidal gear, first hypocycloidal teeth are arranged on the inner wall, corresponding to the first epicycloidal teeth, of the mounting cavity, a concave cavity for embedding the output shaft of the speed change device is formed in the cycloidal gear, first roller pins and first grooves for installing the first roller pinsare arranged on the concave cavity, the first roller pins form second hypocycloidal teeth in a surrounding mode, second hypocycloidal teeth are arranged on the face, opposite to the first roller pins,of the output shaft, and the tooth profile number of the first hypocycloidal teeth is larger than or smaller than that of the second hypocycloidal teeth. The differential cycloidal-pin wheel speed change device is of a speed change structure composed of two stages of cycloidal gears and has a low transmission ratio.

Description

technical field [0001] The invention relates to the technical field of mechanical transmission, in particular to a differential cycloidal pin gear transmission. Background technique [0002] At present, transmission devices used in robots, precision machine tools, aerospace and other precision servo mechanisms require high transmission accuracy, high transmission stiffness, large transmission ratio, high transmission efficiency, small size, light weight, small transmission hysteresis, and The moment of inertia is small and so on. [0003] In the prior art, there is a patent titled "Double Cycloidal Pin Wheel Reduction Ratio Difference Deceleration Cycloidal Pin Wheel Reducer" with the application number of 201710375741.1 patent, which discloses a double cycloidal gear mounted on the corresponding large needle gear. In the housing and the small gear housing, the needle rollers installed on the large and small gear housings mesh with the large and small cycloidal surfaces of ...

Claims

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Application Information

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IPC IPC(8): F16H1/32F16H57/028F16H57/08
CPCF16H1/32F16H57/028F16H57/08F16H2001/327
Inventor 马武坤叶华平黄志欧日燊
Owner HSOAR GRP