DRIVING BLADE STRUCTURE OF SHIP

摘要

The present invention relates to a propelling blade structure for a ship. More specifically, the propelling blade structure for a ship can conveniently and firmly mount a hub main body and blades made of different materials which form multiple blades of a complex material coupled to the hub main body made of a metal material, and can reduce the probability of a fatigue crack due to reaction during the operation of a propelling blade. The propelling blade structure provides propulsion by rotating in the sea, resulting in the movement of a ship. In addition, the propelling blade structure includes: a pipe shaped hub main body where a penetrating hole is formed at the center in order to insert a rotary shaft of a driving motor; and mounting units which are formed on the outer surface of the hub main body at regular intervals. Therefore, the propelling blade structure is formed by inserting the end of the blade into the mounting unit.