Dedicated flexible ladder used for replacing insulators

The utility model discloses a dedicated flexible ladder used for replacing insulators. The flexible ladder comprises a plurality of ladder pillar units; a fastener is arranged on the ladder pillar at the top of each ladder pillar unit; a hook is arranged on the ladder pillar at the bottom of the ladder pillar unit; the ladder pillar unit comprises the two ladder pillars and a foot board; a ring is arranged at one end of each ladder pillar, and a hasp is arranged at the other end thereof; hasps are arranged at both ends of the foot board; both ends of the foot board are connected with the rings of the ladder pillars through the hasps respectively; and the ladder pillars are connected with each other through the rings and the hasps. The utility model has the advantages that the structure is simple; the connection among the rings and the hasps is convenient; the installation is fast; the use is convenient, safe and reliable; the work intensity of overhaul personnel and operating personnel is reduced; the safety factor during operation is enhanced; only one person is required during operation; and the labor efficiency is improved.