Study on the Thermo-Mechanical Coupling Analysis of Heavy Duty Vehicle Oil Cooling Disc Brake

Wang Huiyi

doi:10.16578/j.issn.1004.2539.2015.12.009

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Study on the Thermo-Mechanical Coupling Analysis of Heavy Duty Vehicle Oil Cooling Disc Brake

更新时间：2022-10-20

- Study on the Thermo-Mechanical Coupling Analysis of Heavy Duty Vehicle Oil Cooling Disc Brake
- Vol. 39, Issue 12, Pages: 44-48(2015)
- 作者机构：
  
  1. 长春汽车工业高等专科学校汽车工程学院
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2015.12.009
  CLC：
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[1]王慧怡.重载车辆用油冷盘式制动器热-机耦合研究[J].机械传动,2015,39(12):44-48.

Wang Huiyi. Study on the Thermo-Mechanical Coupling Analysis of Heavy Duty Vehicle Oil Cooling Disc Brake. [J]. 39(12):44-48(2015)
[1]王慧怡.重载车辆用油冷盘式制动器热-机耦合研究[J].机械传动,2015,39(12):44-48. DOI： 10.16578/j.issn.1004.2539.2015.12.009.

Wang Huiyi. Study on the Thermo-Mechanical Coupling Analysis of Heavy Duty Vehicle Oil Cooling Disc Brake. [J]. 39(12):44-48(2015) DOI： 10.16578/j.issn.1004.2539.2015.12.009.

摘要

为了解决重载车辆盘式制动器使用寿命短、热变形较大等问题,以油冷盘式制动器为研究对象,建立油冷盘式制动器制动工况下热机耦合分析模型,最后得到制动盘厚度与冷却油流速对制动器制动盘接触表面、内部的应力场、温度场分布影响规律。研究结果表明,油冷盘式制动器在连续制动工况下最高制动温度与最大制动应力均满足材料使用要求;随着制动盘厚度增加,制动器制动温升变化量、应力值均呈现下降的趋势;随着油液流速的增加,制动器最高温度与最大应力也呈现下降趋势,且当油液流速为4 m,3,/h时,制动器应力值稳定。

Abstract

In order to solve the problems of short service life and higher thermal deformation of heavy duty vehicle oil cooling disc brake,an oil cooling disc brake is regarded as research subjects,the thermo- mechanical coupling analysis model of oil cooling disc brake is established in brake condition,finally,the influences of the brake disc thickness and cooling oil flow rate on brake friction disc contact surface,the internal stress field,temperature field distribution are got. The results show that the oil cooling disc brake highest temperature and maximum braking stress can meet the use requirements of materials in continuous braking condition. With the increase of the thickness of the brake disc,the brake temperature and stress values show a downward trend.With the increase of oil flow rate,the highest temperature and maximum stress of brake also show a downward trend,and oil cooling disc brake stress value become stable in the oil flow rate of 4 m3/ h.

关键词

重载车辆油冷盘式制动器温度应力

Keywords

Heavy duty vehicleOil coolingDisc brakeTemperatureStress

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