重卡变速箱关键部件的改进  

Improvement of Key Components of Heavy Truck Transmission

作　　者：李敬杰 Li Jingjie(China National Heavy Duty Truck Group Datong Gear Co,Ltd,Datong Shanxi 037000)

机构地区：[1]中国重汽集团大同齿轮有限公司,山西大同037000

出　　处：《机械管理开发》2022年第2期7-8,11,共3页Mechanical Management and Development

摘　　要：为了进一步提升重卡汽车运行的稳定性和安全性,对重卡变速箱后置副箱作了基本概述,在分析故障原因、提出改进思路的基础上,重点以高低挡位同步器为例对其进行强化设计,并对改进后高低挡位同步器的换挡性能和使用寿命进行对比研究,为今后重卡变速箱关键部件的改进设计奠定理论基础。In order to further improve the stability and safety of heavy truck operation,a basic overview of the rear subbox of heavy truck transmission is given,and on the basis of analyzing the causes of failure and proposing improvement ideas,the high and low gear synchronizer is used as an example to strengthen its design,and a comparative study on the shifting performance and service life of the improved high and low gear synchronizer is conducted to lay a theoretical foundation for the improvement design of key components of heavy truck transmission in the future.Theoretical basis for the future improvement of key components of heavy truck transmission.

关 键 词：变速箱 后置副箱 高低挡位同步器 同步时间 换挡时间 

分 类 号：U463.21[机械工程—车辆工程]