Manual quick locking device for explosion-proof well lid of coal mine air shaft

The utility model discloses a coal mine air shaft explosion-proof well lid manual quick locking device which comprises a shaft, an explosion-proof well lid body is detachably installed on the top of the shaft, bearing vertical plates are arranged on the outer edge face of the shaft in an annular array mode, one side of each bearing vertical plate is connected to the outer edge face of the shaft, and the other side of each bearing vertical plate is connected to the outer edge face of the shaft. Lock catch plates are arranged at the positions, corresponding to the bearing vertical plates, of the outer edge face of the anti-explosion well lid body in an annular array mode, one side of each lock catch plate is connected to the anti-explosion well lid body, a locking bolt is arranged in the middle of the upper end face of each lock catch plate, one end of each locking bolt can be screwed into the corresponding bearing vertical plate, and the other end of each locking bolt can be screwed into the corresponding bear