Semiautomatic bridging-type anti-sliding device

The utility model relates to a semiautomatic bridging-type anti-sliding device, which relates to a mine safety protective device and is installed in an inclined shaft. The semiautomatic bridging-type anti-sliding device comprises a crossbeam support, a bridge, a motor and an operating platform, which are installed on the top of a shaft of the inclined shaft, wherein the crossbeam support is provided with a magnetic switch and a travel switch; a magnet is installed on the bridge, the ends, close to and away from a movable shaft, of the crossbeam support are respectively provided with a travel switch and a magnetic switch, a button for starting the ascending of the bridge is arranged in a wellhead of the inclined shaft, a button for starting the descending of the bridge is arranged on the bottom of the inclined shaft, and a signal indicator is arranged beside each button; both a descending control circuit and an ascending control circuit of the bridge comprise buttons, magnetic switches, travel switches and con