Research of the Characteristic of Hydro- viscous Clutch with Different Friction Materials

Ma Ligang; Xiang Changle; Du Minggang; Guo Liuyang

doi:10.16578/j.issn.1004.2539.2016.01.006

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Research of the Characteristic of Hydro- viscous Clutch with Different Friction Materials

更新时间：2022-10-20

- Research of the Characteristic of Hydro- viscous Clutch with Different Friction Materials
- Vol. 40, Issue 1, Pages: 27-31(2016)
- 作者机构：
  
  1. 北京理工大学机械与车辆学院
  2. 中国北方车辆研究所车辆传动重点实验室
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2016.01.006
  CLC：
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[1]马立刚,项昌乐,杜明刚,郭浏洋.不同摩擦材料液黏离合器特性研究[J].机械传动,2016,40(01):27-31+35.

Ma Ligang, Xiang Changle, Du Minggang, et al. Research of the Characteristic of Hydro- viscous Clutch with Different Friction Materials. [J]. 40(1):27-31(2016)
[1]马立刚,项昌乐,杜明刚,郭浏洋.不同摩擦材料液黏离合器特性研究[J].机械传动,2016,40(01):27-31+35. DOI： 10.16578/j.issn.1004.2539.2016.01.006.

Ma Ligang, Xiang Changle, Du Minggang, et al. Research of the Characteristic of Hydro- viscous Clutch with Different Friction Materials. [J]. 40(1):27-31(2016) DOI： 10.16578/j.issn.1004.2539.2016.01.006.

摘要

分析了液黏离合器摩滑状态,建立带排转矩的数学模型,结合本文所研究液黏离合器的具体参数进行求解,得知摩擦片间隙是影响带排转矩的关键参数。经分析液黏离合器的摩滑特性及试验研究,验证了摩擦片带排转矩计算模型的准确性。分别进行了两种摩擦材料带排、温升及转速差对输出转矩的影响试验,通过试验发现,相同结构的铜基摩擦片带排转矩约为碳基摩擦片的2倍,得知相同试验条件下铜基摩擦片温升高于碳基摩擦片,且摩擦因数随转速差的变化较大,并拟合出了摩擦因数与转速差的关系式。

Abstract

The friction plate gap as a key parameter which affects the towing torque is got by analyzing friction state of the hydro- viscous clutch and building mathematical model of the towing torque which combines with the specific parameter of the hydro- viscous clutch. The accuracy of the towing torque calculation model is verified by analyzing friction characteristic of hydro- viscous clutch and experimental study. The test of impact output torque is carried out which including towing torque,temperature and difference speed between two friction materials. It can be found through the test the towing torque of copper- based friction plate is about 2 times of the carbon- based friction plate with the same structure and the temperature of copper- based friction plate is higher than the carbon- based friction plate under the same experimental conditions and the change of friction coefficient with the difference speed is large. The relationship between the friction coefficient and the difference speed is fitted.

关键词

液黏离合器摩擦片摩擦因数试验测试

Keywords

Hydro-viscous clutchFriction plateFriction coefficientExperimental test

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