Unmanned aerial vehicle anti-falling device for power line inspection

The unmanned aerial vehicle anti-falling device comprises a coupling piece detachably connected with an unmanned aerial vehicle and a shell connected to the coupling piece, the shell is of a structure with an opening in the top end and a closed bottom end, a spraying part is arranged in the shell, and the spraying part is connected with the coupling piece. One end of the spraying part is provided with a spraying opening, the other end of the spraying part is provided with a bottom, an annular gas generating device connected with the spraying part is further formed in the shell, and the gas generating device is arranged in an inner cavity of the shell and is configured to generate gas. The parachute part is arranged on the top of the shell and located on the spraying path of the spraying part, the cover part is arranged at the opening, and at least one pipe body communicated with the spraying part is arranged on the side of the cover part. The parachute can be quickly and reliably opened even under the conditi