Movable lifting device

The utility model discloses a movable hoisting and lifting device which comprises a round pipe support, a supporting cross beam fixedly installed at the top of the round pipe support, a supporting frame fixedly installed at the bottom of the supporting cross beam, an electric hoist fixedly installed on the inner wall of the supporting frame, and a machining assembly arranged outside the round pipe support. The machining assembly comprises a moving assembly arranged at the bottom of the round pipe support, a guiding assembly is arranged above the moving assembly, the moving assembly forms a component, when the lifting device needs to be used, the lifting device needs to be moved to a designated position, and when the lifting device moves to the designated position, the guiding assembly is arranged above the moving assembly. A rope at the output end of an electric hoist is connected with a first fixing block fixedly installed on the top face of a first transverse plate, the electric hoist is started, the first