Cam type wave generator

A wave generator and cam-type technology, applied in the direction of cams, portable lifting devices, belts/chains/gears, etc., can solve the problems of unfavorable efficiency and service life of the whole machine, increased wear of flexible bearings, etc., and achieve improved stress values ​​and meshing Improve the quality, improve the bearing capacity, improve the effect of deformation and stress

Active Publication Date: 2019-03-12
GUANGZHOU HAOZHI ELECTROMECHANICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the disadvantage of the four-force action cam profile is that the wear of the flexible bearing increases at the action of the force F, and the service life of the harmonic reducer depends on the service life of the flexible bearing. Very bad service life

Method used

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  • Cam type wave generator
  • Cam type wave generator
  • Cam type wave generator

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Embodiment Construction

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0027] It should be noted that when a component is said to be "fixed" to another component, it can be directly on the other component or there can also be an intervening component. When a component is said to be "connected" to another component, it may be directly connected to the other component or there may be intervening components at the same time. When a component is said to be "set on" another component, it may be set directly on the other component or t...

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Abstract

The invention discloses a cam type wave generator. The cam type wave generator comprises a cam and a flexible bearing sleeved with the cam. The polar equation of a cam contour line of the cam is thatwhen Psi is greater than or equal to 0 and smaller than or equal to Beta-Beta1, Rho Delta is equal to r+[Omega0*m/(A-4/Pi)][AcosPsi+PsisinBetasinPsi-4/Pi]; when Psi is greater than or equal to Beta-Beta1 and smaller than or equal to Beta, Rho Delta is equal to r+[Omega0*m/(A-4/Pi)][AcosPsi+PsisinBetasinPsi-4/Pi]+0.5Delta0{1+cos[Pi(Psi-Beta)/Beta1]}; when Psi is greater than or equal to Beta and smaller than or equal to Beta+Beta2, Rho Delta is equal to r+[Omega0*m/(A-4/Pi)][BsinPsi+(Pi/2-Psi)cosBetacosPsi-4/Pi]+0.5Delta0{1+cos[Pi(Psi-Beta)/Beta2]}; and when Psi is greater than or equal to Beta+Beta2 and smaller than or equal to 90, Rho Delta is equal to r+[Omega0*m/(A-4/Pi)][BsinPsi+ (Pi/2-Psi)cosBetacosPsi-4/Pi]. With the corrected four-force acting cam contour line, the load carrying capacity and efficiency of a harmonic reducer are improved and the service life of the harmonic reducer is prolonged; with the shape of the cam contour line at the acting position of correction force F,the deformation and stress conditions of the flexible bearing are improved; and by optimizing the parameter value of the cam contour line, the stress value and the meshing quality of a flexspline areimproved.

Description

technical field [0001] The present invention relates to a wave generator, in particular to a cam type wave generator. Background technique [0002] The harmonic reducer is mainly composed of three basic components: a wave generator, a flexible spline and a rigid spline. It is a wave generator that makes the flexible spline generate controllable elastic deformation waves. Gearing for power transmission. The wave generator is a component that makes the flexspline generate continuous deformation waves. Its form and geometric parameters not only determine the shape of the original curve of the harmonic gear transmission, but also have an important impact on the meshing performance of the transmission and the strength of the flexspline. [0003] According to different structures, wave generators can be divided into different types of wave generators such as cam type, roller type, and disc type. The cam-type wave generator can make the meshing of the flexible spline and the rigi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H49/00F16H55/08F16H53/02
CPCF16H49/001F16H53/025F16H55/0833
Inventor 庄剑毅刘青汤秀清
Owner GUANGZHOU HAOZHI ELECTROMECHANICAL
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