Fixing device of soft soil foundation tower crane

The utility model discloses a fixing device of soft soil foundation tower crane, including precast square pile group, precast square pile group is including five precast square pile, four precast square pile in the precast square pile group are square shape arrayed, the vertical muscle at four precast square pile tops is buckled to 90 and is connected per two precast square pile with the collar tie beam reciprocal anchorage, be provided with a plurality of stirrup on the collar tie beam, the central point that the collar tie beam constituted in square who sets up between four precast square pile and per two precast square pile puts and is provided with the 5th precast square pile, the vertical muscle at the 5th precast square pile top is buckled to 90 and with even the roof beam reciprocalanchorage will two precast square pile that are the diagonal angle setting among four precast square pile are connected the last a plurality of stirrup that is provided with of lian liang. The utility model discloses a fixin