Stable base of hoisting device

The utility model discloses a stable base of a hoisting device. Bottom plate, the bottom plate is fixedly connected with a supporting column. Clamping teeth are arranged around the supporting column;the supporting column is rotationally connected with symmetrical bearing tables. A groove is formed in the bearing table; the groove is rotationally connected with a T-shaped block; the T-shaped blockis fixedly connected with the first supporting column; a first motor is fixedly installed on the bearing table and is in transmission connection with a gear, the bottom plate is fixedly connected with a threaded rod, the threaded rod is sleeved with a threaded sleeve in a threaded mode, the threaded sleeve is rotationally connected with a supporting plate, four symmetrical threaded holes are formed in the bearing table, and a lifting device is fixedly installed on the upper surface of the bearing table through the threaded holes. By means of the design of the bearing table of the lifting device, the bearing table is p