Strength and Fatigue Analysis of Double Arc Planetary Gear Transmission System

Youjun Zhang; Taotao Wang; Longgui Zhao

doi:10.16578/j.issn.1004.2539.2021.07.020

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Strength and Fatigue Analysis of Double Arc Planetary Gear Transmission System

Test·Analysis | 更新时间：2022-11-10

- Strength and Fatigue Analysis of Double Arc Planetary Gear Transmission System
- Journal of Mechanical Transmission Vol. 45, Issue 7, Pages: 135-140(2021)
- 作者机构：
  
  1.西安石油大学机械工程学院，陕西西安 710065
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2021.07.020
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张友军,王涛涛,赵龙归.双圆弧行星齿轮传动系统强度和疲劳分析[J].机械传动,2021,45(07):135-140.

Zhang Youjun,Wang Taotao,Zhao Longgui.Strength and Fatigue Analysis of Double Arc Planetary Gear Transmission System[J].Journal of Mechanical Transmission,2021,45(07):135-140.
张友军,王涛涛,赵龙归.双圆弧行星齿轮传动系统强度和疲劳分析[J].机械传动,2021,45(07):135-140. DOI： 10.16578/j.issn.1004.2539.2021.07.020.

Zhang Youjun,Wang Taotao,Zhao Longgui.Strength and Fatigue Analysis of Double Arc Planetary Gear Transmission System[J].Journal of Mechanical Transmission,2021,45(07):135-140. DOI： 10.16578/j.issn.1004.2539.2021.07.020.

摘要

为了准确评估双圆弧行星齿轮传动系统在实际工作中的强度和疲劳特性，建立了双圆弧行星齿轮传动系统的三维几何模型，利用HyperMesh获得高质量的六面体网格，结合Ansys建立有限元模型并进行瞬态动力学分析，得到了传动系统运动过程中的等效应力和接触应力的变化曲线，并结合Fatigue Tool进行了疲劳寿命分析。结果表明，该传动系统在啮合过程中的应力集中在行星轮和太阳轮的啮合端面位置；接触应力变化平稳，整个结构冲击较小；疲劳破坏集中在行星轮和太阳轮的啮合位置。

Abstract

In order to accurately evaluate the strength and fatigue characteristics of the double arc planetary gear transmission system in actual work，the three-dimensional geometric model of the double-arc planetary gear transmission system is established，by using HyperMesh a high-quality hexahedral mesh is obtained，combining with Ansys a finite element model is established and the transient dynamic analysis is carried out，the change curve of equivalent stress and contact pressure during the movement of the transmission system are obtained. At the same time，the fatigue life analysis is carried out based on the finite element model using Fatigue Tool. The results show that the stress of the transmission system is concentrated on the meshing end surface of the planetary gear and the sun gear during the meshing process. The contact stress changes smoothly，and the entire structure has a small impact. Fatigue damage is concentrated on the meshing position of the planetary gear and the sun gear.

关键词

双圆弧行星齿轮瞬态动力学疲劳寿命

Keywords

Double arc planetary gearTransient dynamicsFatigue life

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