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Harmonic gear assembly having active teeth end

A technology of harmonic gears and face gears, applied in gear transmissions, transmissions, belts/chains/gears, etc., can solve the problems of complex force and deformation of the plane flexible wheel, difficult theoretical design and calculation, limited application, etc. Achieve the effect of light weight, wide application prospects and high motion accuracy

Inactive Publication Date: 2008-11-26
WUHAN UNIV OF TECH
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Problems solved by technology

In order to solve this problem, there is a structure that replaces the flex spline with movable teeth, but the existing movable teeth transmission device, the movable teeth and the inner teeth of the rigid wheel are in radial meshing, and the structure is relatively complicated.
[0003] Due to the deformable planar flexspline, the existing end-face harmonic gear transmission is greatly limited in the transmitted power, and can only be applied to low-power transmission systems, and due to the force and deformation of the planar flexspline The situation is very complicated, which makes the theoretical design calculation quite difficult, so its application is very limited

Method used

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  • Harmonic gear assembly having active teeth end
  • Harmonic gear assembly having active teeth end
  • Harmonic gear assembly having active teeth end

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Embodiment Construction

[0019] The present invention is composed of the advantages of the existing face harmonic gear drive and movable tooth drive. It is mainly composed of four basic components such as face gear, wave generator, movable tooth and groove wheel. Single side drive or double side drive type. This new type of movable-tooth end-face harmonic gear transmission belongs to the category of planetary gear trains. Its main structural features are: the rigid wheel in the existing harmonic gear transmission is changed to an end-face gear, and the inner tooth of the rigid wheel is changed to an end-face gear. The gear teeth are evenly distributed along the circumferential direction; the wave generator is changed from a radial disc cam to an axial cylindrical end face cam; the planar flexspline is divided into several movable teeth, and the movable teeth are placed in the groove wheel It can perform axial reciprocating motion. One end of each movable tooth is in contact with the end face cam of t...

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Abstract

The transmitting apparatus is composed of the box, the wave generator, master and slave drive axis, the sheave is located between the end gear and wave generator. Affected by the wave generator end, the movable gear make axial reciprocating motion in the hole of the sheave, and intermeshed with the end gear, to make mesh-in and mesh-out motion, the sheave rotates relatively with the end gear and transmit power from the slave drive axis simultaneously.

Description

technical field [0001] The invention relates to a gear transmission device, in particular to a harmonic gear transmission device with a movable tooth end face. Background technique [0002] At present, the commonly used harmonic gear transmission generally adopts the form of radial meshing of the inner and outer ring gears. The thin-walled flexible spline is deformed under the action of the wave generator, so that the outer teeth and the inner teeth of the rigid wheel mesh in the radial direction, and the meshing The zones move periodically around the circumference, thereby transmitting motion and power. Since the flexible spline must produce periodic deformation, the modulus of its gear teeth is very small, and it cannot transmit large power, and the transmitted power is usually less than 30kW. In order to solve this problem, there has been a structure in which movable teeth are used instead of flexible splines, but the movable teeth and the internal teeth of the rigid whe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H1/24
Inventor 张佑林姚传志李峰
Owner WUHAN UNIV OF TECH
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