湿式离合器摩擦副平均温升特性研究

doi:10.3969/j.issn.1000-1093.2016.06.001

兵工学报 ›› 2016, Vol. 37 ›› Issue (6): 961-968.doi: 10.3969/j.issn.1000-1093.2016.06.001

• 论文 • 下一篇

湿式离合器摩擦副平均温升特性研究

马彪^1,2，陈飞¹，李和言^1,2，熊涔博¹，王宇森¹，李耿标¹

（1.北京理工大学机械与车辆学院，北京 100081; 2.北京电动车辆协同创新中心，北京 100081）

收稿日期:2015-12-03 修回日期:2015-12-03 上线日期:2016-08-06
通讯作者: 马彪 E-mail:mabiao@bit.edu.cn
作者简介:马彪（1964—），男，教授，博士生导师
基金资助:
国家自然科学基金项目（51575042）；国家国防科技工业局基础产品创新科研项目（VTDP-3203）

Research on Average Temperature Rise Characteristic of Wet Clutch

MA Biao^1,2, CHEN Fei¹, LI He-yan^1,2, XIONG Cen-bo¹, WANG Yu-sen¹, LI Geng-biao¹

(1.School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China;2.Collaborative Innovation Center of Electric Vehicle in Beijing, Beijing 100081, China)

Received:2015-12-03 Revised:2015-12-03 Online:2016-08-06
Contact: MA Biao E-mail:mabiao@bit.edu.cn

摘要/Abstract

摘要： 针对湿式换挡离合器结合过程温升特性，基于集总参数法将离合器液压系统各元件简化为节点，建立了系统热阻网络模型与试验系统，研究获得了冷却润滑流量和转速差对离合器温升的影响规律。研究结果表明：在中低摩擦热负荷下，离合器温升对冷却流量的改变不敏感；在中高摩擦热负荷下，冷却流量变化对离合器温升影响显著，但当冷却流量增大到超过某一临界值时，流量增加对离合器温升影响微弱；转速差与离合器结合油压影响摩擦热负荷强度；离合器温升表现为转速差的线性增长关系，在相同冷却润滑状态下，转速差每增加100 r/min，离合器温升增加8.05%. 通过仿真结果与试验数据的对比，验证了所建模型的有效性，该模型能较好反映离合器正常工况的温升特性。

关键词: 兵器科学与技术, 湿式离合器, 热阻网络, 热平衡

Abstract: On the basis of the lumped parameter method which simplifies the components in hydraulic system to nodes, a thermal resistance network model of clutch hydraulic system is proposed to investigate the effects of oil flow and rotation speed difference on the temperature rise of wet clutch during engaging. An experimental device is designed to validate the simulation results. The results show that the oil flow rate has a greater influence on the temperature rise of wet clutch under the condition of high heat flux than that under the condition of low heat flux. The oil flow brings a slight effect on the temperature rise when the cooling flow increases to the critical value. Both the relative speed and the pressure have an influence on heat flux. The temperature of wet clutch is a linear function of the relative speed of friction plates. The clutch temperature rises by 8.05 percent with every 100 r/min increment in the relative speed under same cooling condition. The proposed model is verified effectively by comparison of simulated results and experimental data, which can better reflect the thermal equilibrium of wet clutch hydraulic system in normal condition.

Key words: ordnance science and technology, wet clutch, thermal resistance network, thermal equilibrium

中图分类号:

U463.2

马彪，陈飞，李和言，熊涔博，王宇森，李耿标. 湿式离合器摩擦副平均温升特性研究[J]. 兵工学报, 2016, 37(6): 961-968.

MA Biao, CHEN Fei, LI He-yan, XIONG Cen-bo, WANG Yu-sen, LI Geng-biao. Research on Average Temperature Rise Characteristic of Wet Clutch[J]. Acta Armamentarii, 2016, 37(6): 961-968.

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湿式离合器摩擦副平均温升特性研究

Research on Average Temperature Rise Characteristic of Wet Clutch

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