Fastening device capable of processing electric connecting bolt

The embodiment of the utility model provides a fastening device capable of processing an electric connecting bolt, the fastening device comprises a bolt fastening assembly, a remote controller, a first fixing piece, a second fixing piece and a supporting rod, the bolt fastening assembly is arranged on the supporting rod through the first fixing piece and the second fixing piece, at least one of the first fixing piece, the second fixing piece or the supporting rod is made of an insulating material, and then the bolt fastening assembly is controlled to work through the remote controller. Thus, a worker can hold the supporting rod to align to a bolt to be fastened or replaced while normally supplying power, and finally, the bolt fastening assembly is controlled through the remote controller to fasten or replace the bolt. Besides, the first fixing piece and the second fixing piece are hinged together, and a worker can adjust the angle of the bolt fastening assembly by adjusting the first fixing piece and the seco