UNDERWATER CLEANING ROBOT

摘要

An underwater cleaning robot is disclosed. According to an embodiment of the present invention, the underwater cleaning robot includes: a frame; a driving unit installed in the frame and having a driving wheel and a traveling driving part for driving the driving wheel; a steering unit installed in the frame and having a steering wheel and a steering driving part for driving the steering wheel; a cleaning unit having a cleaning motor installed in the frame and a cleaning brush which rotates with the operation of the cleaning motor to clean a cleaning target surface; and a negative pressure control device having a negative pressure control flow passage to connect the center of the cleaning brush to the outside and a control valve for controlling the opening of the negative pressure control flow passage to control the negative pressure between the cleaning brush and the cleaning target surface.