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Planetary harmonic combination reducer

A planetary harmonic and reducer technology, which is applied in the direction of gear transmission, belt/chain/gear, mechanical equipment, etc., can solve the problems of difficult processing and assembly, large reducer volume, etc., and achieve simple and compact structure, small volume, light weight Effect of Small Radial and Axial Dimensions

Inactive Publication Date: 2019-09-20
UBTECH ROBOTICS CORP LTD
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Problems solved by technology

[0003] The purpose of the present invention is to provide a planetary harmonic combination reducer to solve the technical problems of the existing planetary harmonic combination reducer with large volume and difficult processing and assembly

Method used

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Embodiment Construction

[0029] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0030] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical ", "horizontal", "top", "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying Describes, but does not indicate or imply that the device or element referred to mu...

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Abstract

The invention belongs to the technical field of reducers, and relates to a planetary harmonic combination reducer. An input shaft, a sun gear, a planet gear, a planet carrier and a flexible wheel form a first-stage planetary reduction gear train, the portion of a flexible wheel annular part is fixed, the input shaft is used for being connected with an external input device to serve as an input portion, the sun gear rotates along with the input shaft, the planet gear is simultaneously engaged with the sun gear and the flexible wheel, autoroatation around the axis of the planet carrier is carried out while revolution around the input shaft is carried out, forced outward expansion deformation is generated at the meshing portion of a flexible wheel cylinder portion and the planet gear, and inward shrinkage deformation is generated in a middle area of the cylinder portion. The sun gear, the planet gear and the planet carrier form a wave generator, and the wave generator, the flexible wheel, a rigid wheel and a first bearing form a second-stage harmonic reduction gear train, the portion of a flexible wheel annular portion is fixed, the wave generator is used as input, and the rigid wheel is used for being connected with an external output device for outputting power. The flexible wheel participates in movement of the first-stage planetary reduction gear train and the second-stage harmonic reduction gear train, the high reduction ratio is achieved, the space is effectively used, and processing and assembling are easy.

Description

technical field [0001] The invention belongs to the technical field of reducers, and more specifically relates to a planetary harmonic combination reducer. Background technique [0002] The reduction ratio of the harmonic reducer is generally 30 to 160. Due to the limitation of its own volume and modulus, it is impossible to achieve a larger reduction ratio, resulting in limited application fields. In the prior art, a planetary harmonic reducer has been combined with a planetary reducer and a harmonic reducer to achieve a higher reduction ratio, but it has the disadvantages of large volume and difficult processing and assembly. Contents of the invention [0003] The object of the present invention is to provide a planetary harmonic combination reducer to solve the technical problems of the existing planetary harmonic combination reducer with large volume and difficult processing and assembly. [0004] An embodiment of the present invention provides a planetary harmonic co...

Claims

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Application Information

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IPC IPC(8): F16H1/32F16H49/00
CPCF16H1/32F16H49/001
Inventor 彭盼道丁宏钰熊友军
Owner UBTECH ROBOTICS CORP LTD
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