By analyzing the working principle and working process of lockpin synchronizer,this paper introduces the application of lockpin synchronizer in electric vehicle.

• 对锁销式同步器的结构及工作原理进行了分析,对锁销式同步器的工作过程进行了理论计算,并将其应用到电动车变速器上,拓展了锁销式同步器的应用领域。