Lifting type air supply system for hangar

The lifting type air supply system for the hangar comprises the hangar, a moving unit and a control unit, containing grooves are formed in the two sides of the inner wall of the hangar, first sliding grooves and second sliding grooves are formed in the tops and the bottoms of the inner walls of the containing grooves correspondingly, and first sliding blocks and second sliding blocks are arranged in the first sliding grooves and the second sliding grooves correspondingly; the moving unit is located in the containing groove and comprises a connecting block, an electric telescopic rod and a first threaded rod, the connecting block is hollow, the electric telescopic rod is located on one side of the connecting block, and the first threaded rod is located at the bottom of the connecting block; the control unit is located at the bottom of the connecting block, and the control unit comprises a controller and a switch piece; an electric telescopic rod drives a connecting block and a first sliding block to move along