Wall-climbing robot

The invention discloses a wall-climbing robot. The robot includes a pedestal, at least four crawl arms, adsorption members and a pressure boosting fan; each crawl arm is arranged on each of the four corners of the pedestal; the adsorption members and the crawl arms are in corresponding arrangement; the pressure boosting fan is arranged on the pedestal; the adsorption members and the pressure boosting fan are respectively arranged on the two sides of the pedestal; and the pressure boosting fan blows toward the direction away from the pedestal. The rotation of the pressure boosting fan can generate thrust toward the pedestal, the thrust generated by the pressure boosting fan can be balanced with gravity even when the robot is in a vertical or negative angle, so that the auxiliary adsorptionmembers can make the robot absorb on the inner wall of a pipeline, and the robot can stably move in the pipeline; and the auxiliary effect of the pressure boosting fan reduces requirements for adsorption intensity, the adsorp