Novel axial adjusting device for rotating main shaft of spiral sand washer

The utility model discloses a novel axial adjusting device for a rotating main shaft of a spiral sand washer, which comprises a groove body frame, a fixed seat is arranged on one side in the groove body frame, a top plate is arranged on one side in the fixed seat, and one end of the top plate penetrates through the fixed seat and extends to the outside of the groove body frame. A tail short shaft is arranged at the end, away from the groove body frame, of the top plate, a spiral main shaft is arranged at the end, away from the top plate, of the tail short shaft, a soft cushion plate is installed on the outer wall of the side, away from the tail short shaft, of the top plate, a threaded hole is formed in the inner wall of the groove body frame at the fixing base, and one end of the threaded hole extends out of the groove body frame. The axial offset of the spiral main shaft can be adjusted, the problem that the main shaft is fixed on a frame and cannot move in the prior art is solved, the problem that the bear