Marine mud taking device

The utility model discloses a mud taking device for a ship. The dredger comprises a dredger body and a support connected between the dredger body and the dredger body. The support comprises a base, wherein the supporting rod is arranged on the base; wherein the fixed pulley is connected to the supporting rod in a rotating mode, the opening and closing rope winding wheel and the lifting rope winding wheel are fixedly installed on the base, the opening and closing rope is wound on the opening and closing rope winding wheel and connected with the mud taking device, and the lifting rope is wound on the lifting rope winding wheel and connected with the mud taking device. And the opening and closing rope and the lifting rope respectively bypass the fixed pulley and then are connected with the mud taking device. The mud taking device is retracted and released through the supporting rod, the fixed pulley and the lifting rope, time and labor are saved, the mud taking device is stable when moving up and down, the mud t