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Hollow decelerating device for robot

A reduction mechanism and robot technology, applied in mechanical equipment, transmission parts, gear transmission and other directions, can solve the problems of difficult installation, large volume of the reducer, poor precision, etc., to achieve low processing cost, good operation efficiency, and improved The effect of operating efficiency

Inactive Publication Date: 2018-11-02
NANTONG ZHENKANG WELDING ELECTROMACHINERY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the technical problems of large volume, difficult installation and poor precision of the reducer existing in the prior art, the present invention provides a hollow reducer mechanism for robots

Method used

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  • Hollow decelerating device for robot
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Examples

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Effect test

Embodiment 1

[0028] Such as figure 1 and figure 2 As shown, a hollow deceleration mechanism for a robot is characterized in that it includes a fixed end body 10, a line pipe 9 at the center, at least one set of planetary deceleration mechanisms, and at least one set of cycloidal pinwheel deceleration mechanisms; the planetary deceleration mechanism includes The input shaft 8 and the planetary gear 7 form the first-stage planetary deceleration structure; the cycloidal pin gear deceleration mechanism includes the pin gear housing 3, the cycloidal gear 2, the output frame 4, the eccentric shaft 6 and the outer edge of the cycloidal gear 2. Needle rollers, which form the second-stage cycloidal pin wheel deceleration structure; the pin gear housing 3 is located on the periphery of the cycloidal wheel 2, the output frame 4, and the eccentric shaft 6, and a pair of cycloidal wheels 2 are set on the eccentric shaft 6. Between the wire wheel 2 and the pin gear housing 3, there are a plurality of ...

Embodiment 2

[0035] Such as figure 1 and figure 2 As shown, a hollow deceleration mechanism for a robot is characterized in that it includes a fixed end body 10, a line pipe 9 at the center, at least one set of planetary deceleration mechanisms, and at least one set of cycloidal pinwheel deceleration mechanisms; the planetary deceleration mechanism includes The input shaft 8 and the planetary gear 7 form the first-stage planetary deceleration structure; the cycloidal pin gear deceleration mechanism includes the pin gear housing 3, the cycloidal gear 2, the output frame 4, the eccentric shaft 6 and the outer edge of the cycloidal gear 2. Needle rollers, which form the second-stage cycloidal pin wheel deceleration structure; the pin gear housing 3 is located on the periphery of the cycloidal wheel 2, the output frame 4, and the eccentric shaft 6, and a pair of cycloidal wheels 2 are set on the eccentric shaft 6. Between the wire wheel 2 and the pin gear housing 3, there are a plurality of ...

Embodiment 3

[0040] Such as figure 1 and figure 2 As shown, a hollow deceleration mechanism for a robot is characterized in that it includes a fixed end body 10, a line pipe 9 at the center, at least one set of planetary deceleration mechanisms, and at least one set of cycloidal pinwheel deceleration mechanisms; the planetary deceleration mechanism includes The input shaft 8 and the planetary gear 7 form the first-stage planetary deceleration structure; the cycloidal pin gear deceleration mechanism includes the pin gear housing 3, the cycloidal gear 2, the output frame 4, the eccentric shaft 6 and the outer edge of the cycloidal gear 2. Needle rollers, which form the second-stage cycloidal pin wheel deceleration structure; the pin gear housing 3 is located on the periphery of the cycloidal wheel 2, the output frame 4, and the eccentric shaft 6, and a pair of cycloidal wheels 2 are set on the eccentric shaft 6. Between the wire wheel 2 and the pin gear housing 3, there are a plurality of ...

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Abstract

The invention provides a hollow decelerating device for a robot. The hollow decelerating device for the robot is characterized by comprising a fixed end body, a wire tube in the center, a planetary decelerating mechanism and a cycloidal-pin wheel decelerating mechanism; the planetary decelerating mechanism comprises an input shaft and planetary gears; the cycloidal-pin wheel decelerating mechanismcomprises a pin wheel housing, a cycloidal gear, an output plate rack, eccentric shafts and rolling needles at the outer edge of the cycloidal gear; the input shaft and the planetary gears at the upper end of the eccentric shafts form engagement transmission on the same horizontal plane through gears; the eccentric shafts form constant-speed linkage transmission through a central gear which sleeves the wire tube; the wire tube and the lower end of the output plate rack are fixedly connected to an output end body; an angular contact ball bearing is further arranged between the pin wheel housing and the output plate rack; and the outer end of the input shaft is connected with a motor. The hollow decelerating device for the robot is low in manufacturing difficulty, compact in structure, small in size and high in precision, runs stably, and is small in vibration and simple to mount.

Description

technical field [0001] The invention relates to the technical field of the RV reducer at the joint of an industrial robot, in particular to a reducer with simple structure, hollow type and high reduction ratio. Background technique [0002] The hollow RV reducer is a new type of reducer developed on the basis of cycloidal pinwheel transmission, and it is also a reducer with a special structure in the RV reducer. There are two stages of deceleration structure: the first stage is a planetary deceleration structure, and the second stage is a cycloidal pinwheel deceleration structure. Since the hollow reducer can insert cables inside the reducer, it realizes a space-saving design of the device. At the same time, it has a large number of meshing teeth, and has the advantages of high rigidity, overload resistance, small size, light weight, high precision, and low vibration. It is suitable for RV deceleration machine has a wider range of applications. [0003] For example, Chines...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H1/32F16H57/023F16H57/029
CPCF16H1/32F16H57/023F16H57/029
Inventor 纪仕飞顾京君童彤莫会成朱利民梁得亮
Owner NANTONG ZHENKANG WELDING ELECTROMACHINERY
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