Automatic cleaning device for deep-sea aquaculture net cage

The utility model discloses an automatic cleaning device for a deep sea aquaculture net cage, and particularly relates to the field of aquaculture net cage cleaning, which comprises a main body mechanism, a cleaning mechanism is arranged in the main body mechanism, a collecting mechanism is arranged on the outer wall of the main body mechanism, a protection mechanism is fixedly mounted on the outer wall of the cleaning mechanism, and the main body mechanism comprises a support frame. An enclosure net is fixedly installed at the bottom of the supporting frame, a plurality of limiting supporting rods are fixedly installed between the supporting frame and the enclosure net in a penetrating mode, first limiting cover plates are fixedly installed at the two ends of each limiting supporting rod, and the cleaning mechanism comprises a bearing type bottom plate installed on the outer walls of the limiting supporting rods in a sliding mode. The bottom outlet groove of the enclosure net is opened in the upward lifting