Fan tower supporting device

The utility model relates to the technical field of wind power generation accessories, in particular to a fan tower supporting device. Third rods are arranged in the second notch in a bilateral symmetry mode, and the front ends and the rear ends of the third rods are rotationally connected to the inner walls of the front side and the rear side of the second notch through bearings correspondingly; first notches are symmetrically formed in the inner walls of the front side and the rear side of the second notch between the left third rod and the right third rod in a penetrating mode. First rods are arranged in the second notches between the left and right third rods in a bilateral symmetry manner; the front end and the rear end of the first rod penetrate through the first notches in the front side and the rear side correspondingly and then are exposed to the outer sides of the first notches, and the first rod is slidably arranged in the first notches. A supporting plate group is arranged on the upper surface of