Suspension type monorail pier column overturning and welding device

The invention relates to the technical field of turnover welding equipment, and discloses a suspension type monorail pier column turnover welding device which is characterized in that movable rings are movably connected to the side walls of the two ends, close to a flange plate, of a pier column body in a sleeving mode, each movable ring is composed of a first component and a second component, and the first components and the second components are alternately connected along the cross sections of the movable rings; the outer side of the first component is fixedly connected with a tooth block, a lifting device is placed on the ground corresponding to the position of the movable ring, the top end of the lifting device is fixedly connected with a fixing frame, and the top end of the fixing frame makes contact with the outer side of the movable ring. The two ends of the pier column body are movably sleeved with the fixing rings, the fixing rings are formed by alternately splicing the first parts and the second pa