Multifunctional polling robot

The invention discloses a multifunctional polling robot which comprises a supporting plate, wherein universal wheels are fixedly mounted at four corners of the bottom end of the supporting plate, respectively, a square barrel is fixed to the side end of the top surface of the supporting plate, a plurality of cameras are fixedly mounted on two sides of the square barrel respectively, a storage battery is fixedly mounted at the center of one side of the square barrel, a motor is fixedly mounted at the center of the other side of the square barrel, an output shaft of the motor penetrates through the outer wall of the square barrel and extends into the square barrel to be provided with a gear fixedly, and racks are engaged to two sides of the gear. The robot has three using modes by adjusting the four rollers flexibly, so that it is not only convenient to monitor a line of cable groove all around, but also monitor a special line in a floated manner. Meanwhile, the robot can walk on the bottom surface of the cable