矿山生产中，提升机有时会出现重复装矿的现象，即箕斗在第一次装矿后未经卸矿又重新装入矿石，如不及时发现处理其后果将十分严重。因为在提升机设计中，电机和其斗的容量都有一定的花虽，在箕斗重复装矿后，一方面从箕斗溢出的矿石会砸坏尾绳或隔离装置等井筒设施；另一方面 In mine production, hoisting machines sometimes show the phenomenon of repeated loading, that is, the skip will not unload and reload the ore after the first loading, and the consequences will be very serious if it is not found in time. Because in the hoist design, the motor and its bucket capacity has a certain amount of flowers, after the skip repeat loading, on the one hand spills from the skip ore will smash the tail rope or isolation device and other wellbore facilities; the other aspect