新型混合动力车用电动离合器执行机构的设计  

Design of a Novel Electric Clutch Actuator for Hybrid Vehicles

作　　者：吴海康[1] 钟再敏[1] 余卓平[1,2] 王心坚[1,2] 

机构地区：[1]同济大学汽车学院,上海201804 [2]同济大学新能源汽车工程中心,上海201804

出　　处：《华南理工大学学报（自然科学版）》2014年第9期114-121,共8页Journal of South China University of Technology(Natural Science Edition)

基　　金：国家自然科学基金资助项目(51075301)

摘　　要：分析了用于定轴式混合动力车变速器的电控电动膜片弹簧离合器执行机构的功能需求,提出了将双向超越离合器应用于离合器执行机构的设计,用于同时实现正向高效驱动和反向锁止功能;描述了新型离合器执行机构的基本工作原理和样机的具体机械结构,详细分析了所用单锲块式双向超越离合器实现反向锁止以及正向高效驱动功能的原理;最后通过试验验证了所述新型执行机构的可行性,并分析了样机存在的不足以及改进途径.This paper analyzes the functional requirements of the electric diaphragm spring clutch actuator in the fixed shaft transmission for hybrid vehicles.Then,a design to apply a two-way overreach clutch to the clutch actuator is proposed,which is used to realize positive high efficiency driving and the reverse self-locking function at the same time.Moreover,the authors describe both the working principle of the proposed clutch actuator and the mechanical structure of its prototype,and analyze the principles in great detail of how the two-way overreach clutch realizes the reverse self-locking and the positive high efficiency driving function.Finally,the feasibility of the proposed clutch actuator is verified by experiments,and its shortcomings and corresponding solutions are also expounded.

关 键 词：传动系 离合器 执行机构 超越离合器 高效正向驱动 反向锁止 

分 类 号：U463.211[机械工程—车辆工程]