▎ 摘　　要

NOVELTY - The utility model claims a spraying device for treating ship bottom by using graphene coating, comprising: a moving frame and a main body; the side of the moving frame is provided with a main body, the side of the main body is connected with a feeding port, the side of the feeding port is connected with a suction pipe. The spraying device for treating ship bottom by graphene the coating, the sliding block can drive the clamping plate to move, the clamping plate can be pressed and fixed when moving to the side of the spraying pipe, the spraying pipe can be folded by the winding frame when it is not used, which is convenient to use, when the screw thread screw thread to the side of the inserting rod, the suction pipe and the feeding port can be sealed and connected, after the connection between the suction pipe and the feeding port is finished, the leakage can be avoided, when the steel ball moves to the side of the other group of clamping groove, the steel ball can be reset by the elastic force of the second spring, when the steel ball is reset, it can be clamped and connected by another group of clamping groove; the convenient handrail can adjust the height according to the height of the working staff