Protective device of air source heat pump

The utility model discloses a protection device of an air source heat pump, which comprises a protection box, the inner wall of the bottom of the protection box is connected with a bidirectional threaded rod through a bearing, the inner wall of the bottom of the protection box is provided with a first chute, the protection box is slidably clamped with a limiting plate through the first chute, and the bidirectional threaded rod is in threaded connection with the limiting plate. Fixing frames are installed on the outer walls of the two sides of the protection box correspondingly, fixing frames are arranged on the two sides of the protection box, the fixing frames are connected with the fixing frames in a clamped mode, and protection nets are installed on the inner walls of the fixing frames. Limiting plates are close to the middle position through first sliding grooves correspondingly to limit the bottom position of the air source heat pump, so that the operation stability of the air source heat pump is improve