It is used mainly for raising and lowering materials in sloping tunnels, coalmines, metal mines and nonmetal mines. In other situations, it may serve to assist transportation equipment.

• 主要用于煤矿、金属矿、非金属矿的倾斜巷道和小型竖井作提升，下放物料之用，也可在其它场合作辅助运输设备用。