Vertical roll device of universal rolling mill

The invention discloses a vertical roll device of a universal rolling mill. The device comprises a vertical roll box body, a roll gap adjusting oil cylinder and a vertical roll support, a vertical roll shaft system is arranged in the vertical roll box body, and the vertical roll shaft system is horizontally installed in the vertical roll box body; and a guide blind hole is formed in one side of the vertical roller support, the vertical roller box body and the roller gap adjusting oil cylinder are installed in the guide blind hole, the vertical roller box body is installed at an opening end of the guide blind hole, the roller gap adjusting oil cylinder is fixedly installed at a blind end of the guide blind hole, a piston rod of the roller gap adjusting oil cylinder is connected with the vertical roller box body, and the piston rod is used for driving the vertical roller box body to transversely slide in the guide blind hole. According to the device, a redundant multi-stage equipment transmission mechanism is o