分析了采煤机在进行割煤工作时,因地质条件的变化,有时会截割到较硬的煤层顶、底板或其它夹杂物,使截割部载荷突然增大,常造成调高油缸的活塞从活塞杆上拉脱下来,导致摇臂出现故障,影响了工作面正常生产的原因,提出了相应的技术改进措施。 Analysis of coal mining machine in the work, due to changes in geological conditions, and sometimes cut into the harder coal seam roof, floor or other inclusions, the sudden increase in the load at the cutting department, often resulting in increased cylinder Piston piston rod from the pull off, leading to rocker failure, affecting the normal production of the reasons for the face, put forward the corresponding technical improvements.