Analysis of Thermal-stress Coupling Characteristics of Peripheral Disc Brakes

Shi Kang; Su Xuwu; Wu Yanyan; Xia Hailong

doi:10.16578/j.issn.1004.2539.2022.11.016

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Analysis of Thermal-stress Coupling Characteristics of Peripheral Disc Brakes

Test·Analysis | 更新时间：2022-12-01

- Analysis of Thermal-stress Coupling Characteristics of Peripheral Disc Brakes
- Journal of Mechanical Transmission Vol. 46, Issue 11, Pages: 104-109(2022)
- 作者机构：
  
  1.湖北工业大学机械工程学院，湖北武汉 430068
  2.湖北中尔车轴有限公司，湖北十堰 442013
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2022.11.016
  CLC：
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石康,苏旭武,吴炎炎等.周盘式制动器热-应力耦合特性的分析探究[J].机械传动,2022,46(11):104-109.

Shi Kang,Su Xuwu,Wu Yanyan,et al.Analysis of Thermal-stress Coupling Characteristics of Peripheral Disc Brakes[J].Journal of Mechanical Transmission,2022,46(11):104-109.
石康,苏旭武,吴炎炎等.周盘式制动器热-应力耦合特性的分析探究[J].机械传动,2022,46(11):104-109. DOI： 10.16578/j.issn.1004.2539.2022.11.016.

Shi Kang,Su Xuwu,Wu Yanyan,et al.Analysis of Thermal-stress Coupling Characteristics of Peripheral Disc Brakes[J].Journal of Mechanical Transmission,2022,46(11):104-109. DOI： 10.16578/j.issn.1004.2539.2022.11.016.

摘要

以东风Q/ZEZPSCZ02—2018型周盘式制动器为研究对象，探究该款新型制动器的热-应力耦合，分析了其安全性能。基于SolidWorks建立的三维模型，借助有限元分析软件Ansys Workbench，对周盘式制动器建立热-应力耦合；设置汽车持续制动和颠簸路段制动的工况条件，分析其等效弹性应变、应力和温升情况，探究其之间的映射关系；通过模型仿真，得到温度云图、应力云图和等效弹性应变云图。经分析可知，温度上升趋势先急后缓，最大应力和等效弹性应变均位于内蹄双凸轮处；通过台架实验数据对比发现，结果在误差所允许的范围内。为后续的工程设计、散热机理研究、检测维修提供了参考依据。

Abstract

Taking the Dongfeng Q/ZEZPSCZ02—2018 type peripheral disc brake as the research object, explores the thermal-stress coupling of this new type of brakes, and analyzes its safety performance. Based on the three-dimensional model established by SolidWorks and with the help of the finite element analysis software Ansys Workbench, the thermal-stress coupling of the peripheral disc brake is established, the continuous braking and turbulent road braking of the car are set as working conditions, the equivalent elastic strain, stress and temperature rise are analyzed and the mapping relationship between the above is explored. The temperature cloud diagram, stress cloud diagram, and equivalent elastic strain cloud diagram are obtained through model simulation. The analysis shows that the temperature rising trend is firstly rapid and then slow, and the maximum stress and equivalent elastic strain are located at the double cams of the inner hoof; after comparing with the experimental data of the bench, it is found that the result is within the allowable range of the error, which provides a larger reference basis for subsequent engineering design, heat dissipation mechanism research, inspection and maintenance.

关键词

周盘式制动器有限元热-应力耦合

Keywords

Peripheral disc brakeFinite elementThermal-stress coupling

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