The invention discloses a charged maintenance operation robot for transformer substation equipment. The charged maintenance operation robot includes a robot body; the robot body comprises a moving chassis and an insulating lifting arm arranged on the moving chassis; a small flying arm is connected to the front end of the insulating lifting arm, a charged operating platform used for storing a charged operating tool is arranged at the front end of the small flying arm, and the small flying arm is connected with the charged operating tool through a fast connecting device; and the charged operating tool includes a foreign body cleaning tool, a wire repairing tool, and an insulator cleaning tool. The charged maintenance operation robot has the beneficial effects that a multi-sensor informationfusion technology is adopted, various sensors installed on the robot are used to sense the information of the robot body and the surrounding environment, and the safety and reliability of the robot operation are improved.