考虑油膜承载特性对分动器扭矩传递的影响

doi:10.3901/JME.2023.15.151

机械工程学报 ›› 2023, Vol. 59 ›› Issue (15): 151-161.doi: 10.3901/JME.2023.15.151

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考虑油膜承载特性对分动器扭矩传递的影响

王钰明¹, 李洪亮¹, 陈黎卿², 刘健³, 梁修天⁴

1. 南通大学交通学院南通 226019;
2. 安徽农业大学工学院合肥 230036;
3. 南通林泰克斯新材料科技有限公司南通 226000;
4. 中国电子科技集团公司第三十八研究所合肥 230088

收稿日期:2022-08-21 修回日期:2023-01-15 出版日期:2023-08-05 发布日期:2023-09-27
通讯作者: 陈黎卿(通信作者),男,1979年出生,博士,教授。主要研究方向为汽车底盘集中控制。E-mail:lqchen@ahau.edu.cn
作者简介:王钰明,男,1986年出生,博士。主要研究方向为分动器动力学控制。E-mail:wangyuming@ntu.edu.cn
基金资助:
国家自然科学基金(52175212)、国家重点研发计划(2017YFD0301303)和南通市科技计划(MS22021022，MS22022093)资助项目

Effects on the Torque Transmission of the Transfer Case Considering the Load-bearing Capacity of Oil Film

WANG Yuming¹, LI Hongliang¹, CHEN Liqing², LIU Jian³, LIANG Xiutian⁴

1. School of Transportation, Nantong University, Nantong 226019;
2. College of Engineering, Anhui Agricultural University, Hefei 230036;
3. Nantong Lintexcn New Material Technology Co., Ltd., Nantong 226000;
4. China Electronics Technology Group Corporation 38 th Research Institute, Hefei 230088

Received:2022-08-21 Revised:2023-01-15 Online:2023-08-05 Published:2023-09-27

摘要/Abstract

摘要： 为实现分动器在短时间内经历流体润滑、混合摩擦和粗糙接触三个阶段的全过程分析,建立稳态和动态弹性流体润滑力学模型以及压紧润滑阶段力学模型。利用建立的分动器扭矩传递模型,仿真分析得到分动器工作过程中油膜厚度、转速差、黏性扭矩、粗糙扭矩以及总扭矩变化曲线。在此基础上,构建分动器试验平台,对所建模型进行试验验证后,利用所建模型研究沟槽宽度、表面粗糙度、接合压力、摩擦片数、摩擦片材料渗透性和摩擦片厚度的变化规律对扭矩传递过程的影响。结果表明:沟槽槽宽对分动器传递扭矩的影响主要体现在黏性扭矩上,摩擦片不同表面粗糙度比值与达到粗糙扭矩的时间比值成正比例关系,而接合压力对摩擦片传递扭矩的影响主要体现在粗糙扭矩,摩擦片接合压力与摩擦片工作过程中所传递的粗糙扭矩成正比关系。

关键词: 汽车工程, 分动器, 油膜承载机理, 多片式离合器, 试验测试

Abstract: In order for the transfer case in a short period time to undergo the full-range analysis of three stages of hydrodynamic lubrication, mixed friction and rough contact, the hydrodynamic lubrication models with steady and dynamic elastic qualities as well as the mechanical models for compressional lubrication phase are to be established. Simulation results on the variation curves of oil film thickness, speed difference, viscous torque, rough torque and total torque are obtained by using the established torque transmission models. Based on the above simulation, the test bed of the transfer case is constructed. After the test and verification of the models, the influence of the groove width, the surface roughness, engaging pressure, the number of friction plates, the material permeability and the thickness of the friction plate on the torque transmission process is studied by using the models. The results show that the groove width mainly affects the torque transmission of the transfer case through the viscous torque. The roughness ratio of different surfaces of the friction plate is in direct proportion to the time ratio of the achieved rough torque, while the engaging pressure mainly influences the torque transmission of friction plate through rough torque, and the engaging pressure of friction plate is in direct proportion to the rough torque transmitted by the friction plate in the process of operation.

Key words: automotive engineering, transfer case, oil film bearing mechanism, multi-plate clutch, experimental test

中图分类号:

TG132

王钰明, 李洪亮, 陈黎卿, 刘健, 梁修天. 考虑油膜承载特性对分动器扭矩传递的影响[J]. 机械工程学报, 2023, 59(15): 151-161.

WANG Yuming, LI Hongliang, CHEN Liqing, LIU Jian, LIANG Xiutian. Effects on the Torque Transmission of the Transfer Case Considering the Load-bearing Capacity of Oil Film[J]. Journal of Mechanical Engineering, 2023, 59(15): 151-161.

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考虑油膜承载特性对分动器扭矩传递的影响

Effects on the Torque Transmission of the Transfer Case Considering the Load-bearing Capacity of Oil Film

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