Auxiliary connecting device for rolling mill universal shaft head

The utility model provides an auxiliary connecting device for a rolling mill universal shaft head and relates to the field of rolling mills in the metallurgy industry. The auxiliary connecting device is composed of an abrasion-resisting guide plate and a short cylindrical abrasion-resisting bush, wherein the abrasion-resisting guide plate is arranged on an inner wall of a cavity of the universal shaft head and corresponds to an outer wall plane of a working roller flat head, and the abrasion-resisting bush is arranged on the inner wall of the cavity of the universal shaft head and protrudes corresponding to the front end of the working roller flat head. The auxiliary connecting device is utilized to replace a working roller, thereby effectively reducing the operation time, achieving the purpose of quick roller replacement and accordingly improving the work efficiency of the rolling mills.