Communication iron tower anti-falling mechanism

The communication iron tower anti-falling mechanism comprises a bottom ring, a servo motor and a lifting mechanism, a driving mechanism is installed on the outer wall of the upper end of the edge side of the bottom ring, a base is movably installed on the inner wall of the upper end of the bottom ring, and a positioning plate is fixedly connected to the edge side of the upper surface of the base; a supporting frame is fixedly mounted on the upper surface of the base on the side of the positioning plate, convex columns are fixed to the outer wall of the side of the positioning plate at equal intervals, a lifting mechanism is fixedly arranged on the upper surface of the supporting frame, a positioning rod is fixedly connected to the lower end of a steel cable on the lifting mechanism, and the positioning rod is fixedly mounted on the inner wall of the side of the protection bin; a limiting arm is fixedly arranged on the outer wall of the side of the protection bin, a clamping rod is fixedly connected to the out