Smooth surface cleaning device

The utility model provides a smooth surface cleaning device, the hydrophone is managed and scribbled including long tube, switching, wherein, switching pipe is including first branch pipe, second branch pipe, third branch pipe and fourth branch pipe, and the both ends of third branch pipe are inserted respectively and are propped up intraductally at second branch pipe and fourth, and the one end of long tube is inserted first intraductally, the long tube respectively passes through shell fragment fixed connection with third branch pipe, fourth branch pipe with the third branch pipe with firstbranch pipe, second branch pipe, first branch pipe with one end that the second branch pipe is relative the fourth branch pipe with scribble the one end meshing that the hydrophone is relative to passthrough the bolt -up. The utility model discloses can realize the regulation of the whole length of smooth surface cleaning device, can also realize scribbling the regulation of hydrophone angle, make smooth surface cleaning