Explosion-proof four-station electric actuating mechanism

The utility model discloses an explosion-proof four-station electric actuating mechanism, which comprises an explosion-proof barrel, a cover plate, a gear motor, a control panel, a power panel, a sensor circuit board, a transition sleeve, magnetic steel, a magnetic steel sleeve, a valve sleeve and a connecting bracket, the top of the explosion-proof barrel is connected with the cover plate, a gear motor, a control panel and a power panel are arranged in the explosion-proof barrel, a groove is formed in the bottom of the explosion-proof barrel, a sensor circuit board is connected into the groove, four Hall sensors are connected to the sensor circuit board, and an output shaft of the gear motor extends into the groove from a reserved through hole in the bottom of the explosion-proof barrel. An output shaft of the gear motor penetrates through a center hole of the sensor circuit board and is connected with a transition sleeve, and the transition sleeve is connected with magnetic steel through a magnetic steel sl