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A time-varying meshing stiffness analysis method for a single-roller enveloping toroidal worm pair

A technology of time-varying meshing stiffness and analysis method, which is applied in the field of time-varying meshing stiffness analysis of single-roller enveloping toroidal worm pairs, and can solve problems such as no further consideration of other stiffnesses, no calculation of time-varying meshing stiffness of worm drive system, etc.

Active Publication Date: 2019-10-11
西安启工数据科技有限公司
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Problems solved by technology

However, the above method does not calculate the time-varying meshing stiffness of the worm drive system, and only calculates the three parts: the contact deformation stiffness between the teeth, the bending deformation stiffness of the worm gear teeth, and the bending deformation stiffness of the worm teeth, without further consideration of the structure in the actual work. The rest of the stiffness in the case

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  • A time-varying meshing stiffness analysis method for a single-roller enveloping toroidal worm pair
  • A time-varying meshing stiffness analysis method for a single-roller enveloping toroidal worm pair
  • A time-varying meshing stiffness analysis method for a single-roller enveloping toroidal worm pair

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[0039] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0040] refer to figure 1 , a time-varying meshing stiffness analysis method for a single-roller enveloping toroidal worm pair, including the following steps:

[0041] The single-roller enveloping toroidal worm pair in this embodiment is a new type of transmission structure, and its structure refers to figure 2 , which is mainly composed of three parts: worm, worm gear and roller that can rotate around its own axis. The structural parameters of the single-roller enveloping toroidal worm pair include the center distance A, the number of worm heads z 1 , the number of worm gear teeth z 2 , worm pitch circle diameter d 1 , worm gear pitch circle diameter d 2 , the diameter of the tooth root circle at the throat of the worm d f1 , the diameter of the addendum circle at the throat of the worm d a1 , worm gear root circle radius R f2...

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Abstract

The invention provides an analyzing method of time-varying mesh stiffness of a single roller enveloping worm gear pair and aims to acquire the time-varying mesh stiffness of the single roller enveloping worm gear pair. The method includes: deducing worm tooth bending stiffness, shear stiffness and radial compression stiffness formulas; calculating worm tooth base stiffness; calculating worm gear tooth bending stiffness and shear stiffness; calculating worm gear tooth base stiffness; calculating worm stiffness and worm gear stiffness at a disperse contact point; calculating contact stiffness; performing serial and parallel calculation on the worm stiffness, the worm gear stiffness and the contact stiffness; calculating the time-varying mesh stiffness. The method has the advantages that the time-varying mesh stiffness of the single roller enveloping worm gear pair can be calculated, the worm gear stiffness and the worm stiffness can be further decomposed, the worm tooth bending stiffness, shear stiffness and radial compression stiffness formulas are provided, a calculation model of the number of meshing worm gear teeth in a mesh cycle is provided, and the method is applicable to the dynamic performance analysis and optimization design of the single roller enveloping worm gear pair.

Description

technical field [0001] The invention belongs to the field of gear precision transmission technology and mechanical analysis, and relates to a time-varying meshing stiffness analysis method for a single-roller enveloping toroidal worm pair, which can be used for dynamic performance analysis and optimal design of a single-roller enveloping toroidal worm pair. Background technique [0002] In the traditional gear system, it mainly includes various transmission modes such as straight tooth transmission, helical gear transmission and worm transmission, and the worm transmission includes three categories: cylindrical worm transmission, arc cylindrical worm transmission and toroidal worm transmission, among which the toroidal worm Transmission can be further divided into two types: linear toroidal worm transmission and enveloping toroidal worm transmission. The worm helical surface of the linear toroidal worm transmission is formed by a straight line as the generatric The curved su...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/50F16H55/22
CPCF16H55/22G06F30/17G06F30/20
Inventor 王奇斌马洪波孔宪光赵博常建涛
Owner 西安启工数据科技有限公司
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