离合器轴向非线性特性对离合器分离力-分离位移的影响研究

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摘要分析了离合器分离力-分离位移曲线与踏板力-位移特性曲线的关系。建立了离合器分离力-分离位移特性计算的有限元模型。在建立的有限元模型中，包含离合器压盘总成和从动盘总成的有限元模型。建模中，考虑了膜片弹簧和波形片的轴向非线性特性。利用建立的模型，计算得到了离合器的分离力-分离位移曲线，通过台架测试了离合器的分离力-分离位移特性，计算结果与实测结果的对比分析，验证了模型的正确性。分析了膜片弹簧工作点位置和波形片轴向刚度对分离力-分离位移曲线的影响，并依据分析结果进行离合器踏板力-位移特性的改进。利用离合器操纵系统试验台进行了离合器踏板力-位移特性测试，验证了计算结果的正确性。论文的研究结果建立了膜片弹簧的工作位置和波形片的轴向刚度与离合器分离力-分离位移特性的关系，可为改善离合器踏板操纵舒适性提供计算分析方法。

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关键词 ：离合器, 分离力-分离位移特性, 踏板力-位移特性, 膜片弹簧, 波形片

Abstract：The relationship between a clutch’s release force-displacement curve and its pedal force-displacement one was analyzed.The finite element (FE) model for estimating the clutch release force-displacement characteristics was built.The FE model contained the clutch’s pressure plate assembly and the driven disc one considering axial nonlinear characteristics of diaphragm spring and wave plate.Using the established model, the clutch’s release force-displacement curve was calculated.This curve was also measured with a test rig.The calculated results were compared with test ones to validate the correctness of the established model.The effects of diaphragm spring’s working point position and wave plate’s axial stiffness on the clutch’s release force-displacement curve were analyzed to improve the clutch’s pedal force-displacement characteristics.A clutch’s control system test platform was adopted to measure the clutch’s pedal force-displacement curve, and the test results verified the correctness of the calculated ones for improving the clutch’s pedal force-displacement characteristics.

Key words： clutch；release force-displacement；pedal force-displacement；Diaphragm spring wave plate

收稿日期: 2017-03-28 出版日期: 2018-09-28

引用本文:

万里翔1刘雪莱2陈权瑞1侯秋丰3 张晨3 王善南3 上官文斌2. 离合器轴向非线性特性对离合器分离力-分离位移的影响研究[J]. 振动与冲击, 2018, 37(19): 217-224.
WAN Lixiang1, LIU Xuelai2, CHEN Quanrui1, HOU Qiufeng3, ZHANG Chen3, WANG Shannan3, SHANGGUAN Wenbin2. Effects of a clutch’s axial nonlinear characteristics on its release forces and displacements. JOURNAL OF VIBRATION AND SHOCK, 2018, 37(19): 217-224.

链接本文:

http://jvs.sjtu.edu.cn/CN/ 或 http://jvs.sjtu.edu.cn/CN/Y2018/V37/I19/217

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