Electrically-tunable antenna transmission selection switching device

The invention discloses an electrically tunable antenna transmission selection switching device, which belongs to the technical field of antenna equipment, and comprises a mounting frame, a plurality of gear shafts are arranged on the mounting frame in a penetrating manner, a worm is rotationally connected to the mounting frame, one end of the worm is fixedly connected with an output shaft of a driving motor, and a switching mechanism is arranged on the mounting frame. The switching mechanism comprises a moving seat, a pushing rod and a plurality of fixing blocks, the fixing blocks are fixedly connected to the gear shaft and evenly distributed on the outer circumferential face of the gear shaft in the circumferential direction of the gear shaft, the moving seat is arranged on the mounting frame, and inclined faces are arranged on the two sides of the moving seat; the radiuses of the ends of the gear shafts are gradually reduced from the ends away from the movable base to the ends close to the movable base, th