Wall-climbing robot for overhauling and maintaining power station coal-fired boiler pipeline

A wall-climbing robot for overhauling and maintaining a power station coal-fired boiler pipeline is characterized in that a pair of front bearing seats are correspondingly arranged on the two sides of the front end of the bottom end face of a crawling robot platform, a pair of rear bearing seats are correspondingly arranged on the two sides of the rear end of the bottom end face of the crawling robot platform, and a front transmission shaft is arranged on the pair of front bearing seats in a penetrating mode; the front transmission shaft and the rear transmission shaft are each provided with more than two linkage chain wheels and are correspondingly arranged, the two linkage chain wheels which correspond to each other in the front-back direction are connected through a crawler belt, a driven chain wheel is fixedly arranged in the middle of the front transmission shaft, and a driven chain wheel is fixedly arranged in the middle of the driven chain wheel. An open groove is formed in the middle of the front port