Tail hub energy-saving device

The utility model relates to the field of ships, and provides a stern hub energy-saving device which improves wake flow, improves tracing flow of a propeller area and improves efficiency of a ship body by installing an accelerating guide pipe and a guide vane above a stern hub of a ship body in front of a ship propeller, thereby improving navigational speed of the ship and reducing oil consumption. Meanwhile, all the reinforcing wing plates and the reinforcing shaft plates are used. 本实用新型涉及船舶领域，提供了一种尾毂节能装置，通过在船舶螺旋桨前方的船体尾毂上方安装加速性导管和导叶改善尾流，改善螺旋桨区域的伴流，增加船身的效率，从而提高船舶航速，降低油耗。同时通过各加强翼板和加强轴板。