Axle position turning stepping device

The utility model discloses an axle position turning stepping device which comprises a base, supporting plates are symmetrically and fixedly connected to the top end of the base, the two supporting plates are jointly and fixedly connected with a top plate, a first sliding groove is formed in the bottom wall of the top plate, a motor is fixedly connected to the side wall of the top plate, and the output end of the motor is fixedly connected with a two-way lead screw. One end of the two-way lead screw penetrates through the side wall of the top plate and then is rotationally connected to the inner side wall of the first sliding groove, and sliding plates are symmetrically connected to the side wall of the two-way lead screw in a threaded mode. According to the axle clamping device, the pedal is controlled through feet, the connecting rod drives the rack plate to move downwards, the telescopic rod is made to rotate through the meshing effect of the cylindrical gear and the rack plate, the connecting rod and the