Compressor housing air duct filter cotton quick-mounting device

The utility model provides a compressor housing air duct filter cotton quick-mounting device which comprises a plurality of filter cotton mounting frames which are fixedly mounted at an air duct opening of a compressor housing and arranged side by side, and mounting angle plates which are matched with each other are arranged on the upper side and the lower side of each filter cotton mounting frame. At least two groups of filter cotton fixing devices are arranged on each mounting angle plate along the length direction of the mounting angle plate, each filter cotton fixing device comprises a pressing rod vertical to the filter cotton mounting frame, and a spring propped against the mounting angle plate is sleeved on the pressing rod. According to the technical scheme, the mounting angle plates are arranged on the upper side and the lower side of the filter cotton mounting frame, the mounting channel used for mounting the filter cotton is formed between the two mounting angle plates, the filter cotton can be ins