Research on Transient Characteristic of Stress Field of Friction Pair During Soft Start-up Process of Hydro-viscous Drive

Qiliang Wang; Hongwei Cui; Zisheng Lian; Long Li

doi:10.16578/j.issn.1004.2539.2019.05.007

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Research on Transient Characteristic of Stress Field of Friction Pair During Soft Start-up Process of Hydro-viscous Drive

Theory·Reserach | 更新时间：2022-10-03

- Research on Transient Characteristic of Stress Field of Friction Pair During Soft Start-up Process of Hydro-viscous Drive
- Journal of Mechanical Transmission Vol. 43, Issue 5, Pages: 32-37(2019)
- 作者机构：
  
  1.太原理工大学机械工程学院，山西太原 030024
  2.煤矿综采装备山西省重点实验室，山西太原 030024
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2019.05.007
  CLC：
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王其良,崔红伟,廉自生等.液黏传动软启动过程摩擦副应力场瞬态特性研究[J].机械传动,2019,43(05):32-37.

Wang Qiliang,Cui Hongwei,Lian Zisheng,et al.Research on Transient Characteristic of Stress Field of Friction Pair During Soft Start-up Process of Hydro-viscous Drive[J].Journal of Mechanical Transmission,2019,43(05):32-37.
王其良,崔红伟,廉自生等.液黏传动软启动过程摩擦副应力场瞬态特性研究[J].机械传动,2019,43(05):32-37. DOI： 10.16578/j.issn.1004.2539.2019.05.007.

Wang Qiliang,Cui Hongwei,Lian Zisheng,et al.Research on Transient Characteristic of Stress Field of Friction Pair During Soft Start-up Process of Hydro-viscous Drive[J].Journal of Mechanical Transmission,2019,43(05):32-37. DOI： 10.16578/j.issn.1004.2539.2019.05.007.

摘要

为了研究液黏传动摩擦副软启动过程应力场的分布特性，利用Abaqus软件建立三维摩擦副热弹性分析模型，采用间接耦合数值分析方法来预测应力场的瞬态特性，并对参数敏感性进行了分析。结果表明，软启动过程中对偶钢片热应力逐渐增大，在启动结束时达到最大值，且最大值位置逐渐向中心区域靠近；油槽具有良好的冷却效果，摩擦衬片热应力最大值出现在每个菱形区域的边缘；弹性模量和热膨胀系数有正影响，而厚度和泊松比有负影响；改变参数值对热应力最大值出现的位置无影响。分析结果为摩擦副结构参数和材料参数的选择提供了参考依据。

Abstract

In order to investigation the distribution characteristic of stress field of friction pairs in hydro-viscous drive during soft start-up process， Abaqus software is used to establish a three-dimensional thermal elastic analysis model of friction pairs. The indirect coupling numerical analysis method is adopted to predict the transient characteristics of stress field. In addition， the sensitivity of parameters is analyzed. The research results show that the thermal stress of the steel disc increases gradually during soft start-up process and reaches the maximum value at the end of the start-up process. And the position of the maximum value gradually approaches the central area. The oil grooves provide a good cooling effect and the maximum thermal stress of the friction lining appears at the edge of each rhombic region. The elastic modulus and thermal expansion positively impact the stress. Conversely， the thickness and Poisson's ratio negatively impact the stress. But the variance of parameters has no effect on the location of the maximum thermal stress. The analysis results provide reference for selecting the structural and material parameters of friction pairs.

关键词

液黏传动摩擦副瞬态热应力参数敏感性

Keywords

Hydro-viscous driveFriction pairTransient thermal stressParameter sensitivity

references

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