Auxiliary dismounting device for transmission shaft sleeve

The auxiliary dismounting device comprises a front clamping plate and a rear clamping plate, the front clamping plate and the rear clamping plate are perpendicularly arranged, the distance between the front clamping plate and the rear clamping plate in the horizontal position is adjustable, the rear clamping plate comprises a lower base and an upper base, and reserved hole grooves are formed in the upper end face of the lower base and the lower end face of the upper base correspondingly. The two preformed hole grooves form a limiting circular groove; one end of the lower base and one end of the upper base are rotationally connected through a hinge, the other end of the lower base and the other end of the upper base are locked through locking blocks, and the two locking blocks are locked and connected through bolts and nuts. The inner walls of the reserved hole grooves of the lower base and the upper base are respectively provided with a deep groove, and the two deep grooves form a clamping groove used for cla