Power grid maintenance ladder

The utility model discloses a power grid maintenance ladder, and relates to the technical field of power grid maintenance. The ladder stand comprises a ladder stand body, a connecting assembly and a protection assembly. The connecting assembly is arranged at the top end of the crawling ladder main body and hung on the power tower, and the connecting assembly comprises a fixing piece and a hook which are integrally connected; a fixing seat is arranged on the surface of the fixing piece, a positioning column is movably arranged in the fixing seat, and the positioning column and the fixing seat are connected through a telescopic bag body; according to the technical key points, a connecting assembly is designed, a hook is used for completing primary hanging of the whole maintenance ladder, then by means of the self weight of a ladder stand body, a pressing plate moves upwards, inflation treatment on an air cylinder is completed, and therefore a telescopic bag body drives a positioning column to move horizontally,