Because there are frequent failures in the connection method which uses crosshead intermediate axle shaft to join the relevant oart in the axis system of transmission system coupling this article suggests to use copper sliding pieces type transmission to increase the life of the middle axle system in transmission 摘要针对主传动中间轴系统采用十字头联轴器与相关件连接方式，故障较多，改进为铜滑块式传动，提高了主传动中间轴系统的寿命。
