▎ 摘　　要

NOVELTY - A graphene magnetic fluid full sea deep propeller belongs to the propeller field, comprising a propeller main body and a protective fixing frame; the protective fixing frame comprises a protective shell, a cover body, a reinforcing plate and a connecting piece; the protective shell is a cylindrical structure with one end opening and the other end closed; and the length direction of the protective shell extends along the horizontal direction, the propeller main body is set in the protective shell; the cover body is detachably connected with the opening end of the shell; the connecting piece is set on the top of the protective shell, and the reinforcing plate is set between the connecting flange and the protective shell. The utility model body of the propeller is protected and fixed by the protective fixing frame, the connecting piece is connected with the ship body; the invention relieves the heavy and large magnetic fluid propeller in the existing technology, when running in deep sea for a long time, due to its gravity and water pressure influence, it is not stable enough, at the same time, it lacks protection device, and the service life is reduced.