Bandage for traditional Chinese medicine bone fracture

The bandage for the traditional Chinese medicine bone fracture comprises a cylinder, the upper side and the lower side of the inner side face of the cylinder are both in threaded connection with end covers, bearing seats are arranged at the circle centers of the two end covers, and rotating shafts are arranged in the two bearing seats; a rectangular supporting rod and a rectangular sleeve are arranged on the opposite end faces of the two rotating shafts correspondingly, the rectangular supporting rod is inserted into the rectangular sleeve, two blocking discs are oppositely installed on the rectangular supporting rod and the rectangular sleeve, braking rotary knobs are arranged on the other end faces of the two rotating shafts correspondingly, a belt outlet hole is formed in the side wall of the cylinder, and a belt is arranged in the belt outlet hole. A belt outlet is formed in the outer side face of the cylinder and located outside the belt outlet hole, and two rotating rollers are arranged in the belt outl