APPARATUS FOR ASSISTING IN SUCKING SAND

摘要

PURPOSE: A sand suction assistance device, which supports the suction of sands around a suction pipe, is provided to prevent damage to a cutting blade by making seafloor depth different using cutting blades. CONSTITUTION: A sand suction assistance device comprises a casing body(1), a stopper(40) and a cutting blade(30). The casing body is fixed to a bracket(a). The casing body has an open lower part toward seafloor. The casing body has an open top so that the leading end of a suction tube(3) can pass through. The stopper is arranged at one side of the casing body. The cutting blade is installed at a rotary shaft. The rotary shaft is installed at the leading end of the casing body to rotate.