Finite Element Analysis of Thermal-structural Coupling for an Aeronautical Spiral Bevel Gear

Yao Huijun; Liu Shijun; Xu Wenbo; Liu Jie; Wang Xiaopeng

doi:10.16578/j.issn.1004.2539.2018.12.022

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Finite Element Analysis of Thermal-structural Coupling for an Aeronautical Spiral Bevel Gear

更新时间：2022-10-20

- Finite Element Analysis of Thermal-structural Coupling for an Aeronautical Spiral Bevel Gear
- Vol. 42, Issue 12, Pages: 118-122(2018)
- 作者机构：
  
  1. 郑州机械研究所有限公司
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2018.12.022
  CLC：
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[1]姚会君,刘世军,徐文博,刘杰,王晓鹏.某航空弧齿锥齿轮热-结构耦合有限元分析[J].机械传动,2018,42(12):118-122.

Yao Huijun, Liu Shijun, Xu Wenbo, et al. Finite Element Analysis of Thermal-structural Coupling for an Aeronautical Spiral Bevel Gear. [J]. 42(12):118-122(2018)
[1]姚会君,刘世军,徐文博,刘杰,王晓鹏.某航空弧齿锥齿轮热-结构耦合有限元分析[J].机械传动,2018,42(12):118-122. DOI： 10.16578/j.issn.1004.2539.2018.12.022.

Yao Huijun, Liu Shijun, Xu Wenbo, et al. Finite Element Analysis of Thermal-structural Coupling for an Aeronautical Spiral Bevel Gear. [J]. 42(12):118-122(2018) DOI： 10.16578/j.issn.1004.2539.2018.12.022.

摘要

根据传热学、齿轮啮合原理、摩擦学等基本理论,采用热-结构耦合理论以及有限元仿真分析方法,建立了某航空用弧齿锥齿轮副三维有限元模型,对弧齿锥齿轮副进行了结构载荷分析和整体热-结构耦合分析,并对结果进行对比分析。最后,采用KISSsoft机械传动设计分析软件对结果进行了对比分析和验证。结果表明,最大接触应力发生在啮合面上靠近齿顶处,近似呈椭圆形分布,由于本体温度场的影响,轮齿热-结构耦合分析最大接触应力相对静态接触应力和KISSsoft中的接触应力分别增加了5. 3%和7. 45%,说明有限元分析结果与KISSsoft解析结果的一致性,从而为弧齿锥齿轮副的结构优化和轮齿修形提供了理论依据。

Abstract

According to the basic theory of heat transfer,gear meshing and tribology,using thermal-structure coupling theory and finite element whole simulation analysis method,the three-dimensional finite element model for a pair of spiral bevel gear in the use of aeronautic is established. The single structure load analysis and the whole thermal-structure coupling analysis are carried out for a group of spiral bevel gear,and the results are compared and analyzed. Finally,the results are comparatively analyzed and verified by using the KISSsoft mechanical transmission design and analysis software. The results show that the maximum contact stress occurs on the meshing surface near the top of tooth,approximately presenting oval-shaped distribution. The maximum contact stress of thermal-structure coupling analysis of gear teeth relative to static contact stress and KISSsoft contact stress have respectively increased 5. 3% and 7. 45% due to the influence of bulk temperature fields,which illustrates the results of the finite element analysis and the results of the KISSsoft analysis are consistency,and then a theoretical basis for the structure optimization and gear modification of the spiral bevel gear pair can be provided.

关键词

弧齿锥齿轮热-结构耦合温度场有限元分析KISSsoft

Keywords

Spiral bevel gearThermal-structure couplingTemperature fieldFinite element analysisKISSsoft

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