Line navigation amphibious power circuit comprehensive maintenance robot and circuit maintenance method thereof

The invention relates to a line navigation amphibious power circuit comprehensive maintenance robot and a circuit maintenance method thereof. The line navigation amphibious power circuit comprehensive maintenance robot comprises a flight subsystem, an online subsystem and an operation subsystem, wherein when the robot is in a flight operation mode, the flight subsystem is used for executing far-distance or short-distance cruising of the power circuit; when the robot is in an online operation mode, the online subsystem is used for realizing the moving of the robot on the power circuit; and when the robot is in the online operation mode, the operation subsystem is used for maintaining the power circuit. According to the scheme, high stability, easy operability and controllability and flexibility of a multi-rotor unmanned aerial vehicle technique are utilized, and the specificity and intelligence of online robot technique are also utilized; and by organic combination of the two techniques, the limitation of each technique is overcome, and the superiority of the two techniques in comprehensive maintenance of strong and smart grid is exerted to a maximum extent.