Liftable composite multifunctional aquaculture net cage for self-elevating ocean platform

The utility model discloses a liftable composite multifunctional aquaculture net cage for a self-elevating ocean platform, which comprises a net cage main body and a lifting system, the lifting systemcomprises a lifting device and a locking device, and the lifting device comprises a hydraulic winch, a steel wire rope, a movable pulley block and a fixed pulley block; the locking device comprises alocking bolt oil cylinder, a locking bolt, a base, a guide plate and a locking groove; the net cage main body can be mounted on an ocean platform through a lifting system; the lifting equipment can lower the net cage from the platform to the seabed for high-end fishery breeding. By adopting the device and the self-elevating ocean platform to form a multifunctional platform, offshore high-end fishery cultivation, underwater sightseeing and leisure, ocean environment monitoring and the like can be realized, and efficient resource utilization and economic benefits are realized. 本实用新型公开一种用于自升式海洋平台的可升降复合多功能养殖网箱，包括网箱主体、升降系统