基于扭转减振的新型换挡同步机构设计与分析*

doi:10.19562/j.chinasae.qcgc.2020.11.017

汽车工程 ›› 2020, Vol. 42 ›› Issue (11): 1571-1576.doi: 10.19562/j.chinasae.qcgc.2020.11.017

基于扭转减振的新型换挡同步机构设计与分析^*

罗玉涛, 程志豪, 许晓通

华南理工大学机械与汽车工程学院, 广州 510640

收稿日期:2019-12-18 出版日期:2020-11-25 发布日期:2021-01-25
通讯作者: 罗玉涛,教授,博士,E-mail:ctytluo@scut.edu.cn
基金资助:
*广东省科技攻关项目(2015B010119002、2016B010132001)和中央高校基本科研业务费专项资金(D2181820)资助。

Design and Analysis of a Novel Shifting Synchronization Mechanism Based on Torsional Vibration Attenuation

Luo Yutao, Cheng Zhihao, Xu Xiaotong

School of Mechanical & Automotive Engineering, South China University of Technology, Guangzhou 510640

Received:2019-12-18 Online:2020-11-25 Published:2021-01-25

摘要/Abstract

摘要： 针对电动汽车上的机械式自动变速器换挡时,接合套与接合齿圈在接合过程中产生较大冲击、部件易磨损等问题,提出了一种用于换挡同步、具备扭转减振功能的扭振接合器。以车辆冲击度、换挡接合时长和滑摩功作为指标,采用Adams仿真软件对扭振接合器、惯性式同步器和无同步器电机调速同步方案的换挡过程进行了对比仿真,结果表明,扭振接合器除换挡接合时间比惯性同步器长外,在同步接合过程中的各项指标为最优。

关键词: 电动汽车, 扭振接合器, 冲击度, 换挡品质, 同步过程

Abstract: In view of the defects of large impact and prone-to-wear of engaging sleeve and gear ring during the shifting of automated manual transmission in an electric vehicle, a kind of torsional vibration coupler with torsional vibration attenuation function is proposed, dedicated to shifting synchronization. With vehicle jerk, shifting engagement time and sliding-friction work as indicators, a comparative simulation is conducted on torsional vibration coupler, inertial synchronizerand thesynchronization scheme of motor-speed-regulation withoutsynchronizerby using software Adams. The results show that torsional vibration coupler is optimum in all indicators of synchronizing engagement except that it is inferior to inertial synchronizer in shifting engagement time

Key words: electric vehicle, torsional vibration coupler, jerk, shift quality, synchronizing process

罗玉涛, 程志豪, 许晓通. 基于扭转减振的新型换挡同步机构设计与分析^*[J]. 汽车工程, 2020, 42(11): 1571-1576.

Luo Yutao, Cheng Zhihao, Xu Xiaotong. Design and Analysis of a Novel Shifting Synchronization Mechanism Based on Torsional Vibration Attenuation[J]. Automotive Engineering, 2020, 42(11): 1571-1576.

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基于扭转减振的新型换挡同步机构设计与分析^*

Design and Analysis of a Novel Shifting Synchronization Mechanism Based on Torsional Vibration Attenuation

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