Electric transmission line maintenance crawling ladder

The invention provides an electric transmission line maintenance crawling ladder, which comprises a pair of symmetrically arranged vertical posts, multiple cross rods and a safety belt, wherein the multiple cross rods are uniformly fixed between the vertical posts and perpendicular to the vertical posts; insulation elastic hangers facing the same side are arranged at the top parts of the pair of vertical posts respectively; the elastic hangers are L-shaped; fixing connecting rods corresponding to the L-shaped elastic hangers are arranged on the vertical posts; one ends of the fixing connecting rods are hinged to the vertical rods respectively, and the other ends of the fixing connecting rods are connected with the lower parts of the L-shaped elastic hangers in a detachable manner; hanging rings are arranged at the upper parts of the pair of vertical posts respectively; the two ends of the safety belt are connected into the hanging rings in a hanging manner; a storage box is arranged at the upper parts of the vertical posts. The electric transmission line maintenance crawling ladder has the advantages of scientific design, high practicability, simple structure, safety in use and facilitation of line maintenance by working personnel.