Portable tool for dismounting rubber roller bearing sleeve and bearing

The utility model discloses a portable tool for dismounting a rubber roller bearing sleeve and a bearing, and belongs to the technical field of tools for rubber roller maintenance. The structure comprises a flange plate and further comprises a clamping ring corresponding to the flange plate, a plurality of threaded through holes are evenly formed in the flange plate, bolts are in threaded connection with the interiors of the threaded through holes, internal threads are arranged on the inner wall of the flange plate, a clamping groove corresponding to the clamping ring is formed in the rear side of the inner ring of the flange plate, and the cross section of the ring wall of the clamping ring is triangular. Firstly, the flange plate is screwed on the bearing sleeve, then the clamping ring is arranged on the bearing sleeve in a sleeving mode, the clamping ring is clamped to the rear side of an inner ring of the flange plate, the triangular supporting and positioning effect is achieved, then the bolts are instal