Pre-embedded quick-release positioning device for tower crane foundation

The utility model belongs to the technical field of installation assistance of tower cranes, and particularly relates to an embedded quick-release positioning device for a tower crane foundation. Comprising embedded bolts, four positioning steel plates, an embedded bolt positioning device and a positioning supporting frame, and the positioning steel plates are distributed at the four corners of the positioning supporting frame; the embedded bolts penetrate through the positioning steel plate; the positioning support frame comprises a first support frame and a second support frame, and the first support frame is detachably connected with the second support frame; the embedded bolt positioning device is located on the upper portion of the positioning steel plate, and the embedded bolt positioning device is in threaded connection with the embedded bolt. The pre-embedded quick-disassembly type positioning device for the tower crane foundation is convenient to disassemble and assemble and low in labor intensity of