Windproof fixing mechanism of tower crane for building

The utility model discloses a wind-proof fixing mechanism of a tower crane for building, which comprises a mounting plate used for fixing a foundation of the tower crane so as to fix the tower crane, a first mounting frame is in bolted connection with the center of the top of the mounting plate, so that the tower crane can be spliced according to the height conveniently by using a plurality of first mounting frames, and the wind-proof fixing mechanism is convenient to use. The top of the first mounting frame is in bolted connection with a second mounting frame used for being matched with the first mounting frame for tower crane splicing, and the top corners of the first mounting frame and the second mounting frame are fixedly connected with connecting rods used for splicing the multiple mounting frames. And transverse rods are symmetrically and fixedly connected to the middle positions of the side walls of the first mounting frame and the second mounting frame, mounting and connecting of the fixing structure