Intra-pipe cleaning robot

The invention discloses an intra-pipe cleaning robot. The intra-pipe cleaning robot comprises a rack, a front cleaning device, two side cleaning devices, two bottom cleaning devices, three driving devices, a dust collection device and a controller, wherein the front cleaning device is located on the front portion of the rack and is used for cleaning the upper portion of a pipe; the two side cleaning devices are mounted on the two sides of the rack and are used for cleaning the two sides of the pipe; the two bottom cleaning devices are mounted at the bottom of the rack and are used for collection and gathering dust on the lower portion; the three driving devices are separately mounted on the two sides and the upper portion of the rack and used for driving the robot to travel horizontally and vertically to adapt to pipes with different diameters; and the dust collection device is mounted on the rear portion of the rack and is used for collecting dust. The intra-pipe cleaning robot can beused for cleaning square