Hydraulic elevator capable of freely rotating

The utility model relates to the technical field of cargo transportation, in particular to a hydraulic elevator capable of rotating freely, which comprises a mounting plate, a bottom column is fixedly connected to the center of the top wall of the mounting plate, a rotating seat is rotatably mounted at the top end of the bottom column, and a supporting column is fixedly connected to the top end of the rotating seat. A connecting column is rotationally installed at the top end of the supporting column, and a fixed pulley is rotationally installed at the end of the connecting column. The direction of the connecting column can be freely adjusted, goods can be conveniently lifted, the hydraulic telescopic rod can drive the connecting column to turn over on the supporting column, the connecting column can be horizontally arranged, the first motor can conveniently drive the winding roller to wind a rope for lifting the goods, lubricating oil can be conveyed to a worm wheel along a guide pipe, and the lubricating oi