Movable roller lifting device

The invention provides a movable roller lifting device. The movable roller lifting device comprises a frame, a lifting platform and a V-shaped frame, four walking wheels are arranged at the bottom ofthe frame, a lifting device body is arranged in the middle of the frame, fixing plates are perpendicularly arranged on the two sides of the frame respectively, two sliding plates are perpendicularly arranged at the bottom of the lifting platform, three strip-shaped through holes which are parallel to one another are formed in each sliding plate, limiting bolts are arranged in the strip-shaped through holes in each sliding plate respectively, the sliding plates are connected with the adjacent fixing plates through the limiting bolts, and the V-shaped frame is arranged on the lifting platform. According to the movable roller lifting device, a roller is convenient to clamp, the machining efficiency and quality are improved, and moreover, the safety is well guaranteed. 本发明提供了一种可移动的轧辊升降装置，包括车架、升降平台和V型架，所述车架底部设有4个行走轮，所述