ST-7型铲运机中央铰接轴孔改造实践

Retrofit for Central Articulated Axle Hole of ST-7 Type Scrooptram

针对铲运机在运行过程中经常出现前车架的中央铰接轴孔损坏故障,通过对其轴孔扩孔加装轴套,并定期更换轴套的方法,达到了前车架中央铰接孔免受磨损的目的。

In view of frequent failure in central articulated axle of the scrooptram tion, through reaming axle hole and adding a sleeve , then regularly replacing it, axle hole of the front frame is protected against wear finally.