Automatic fastening device for electrified primary equipment wiring board bolt in transformer substation

The invention discloses an automatic fastening device for an electrified primary equipment wiring board bolt in a transformer substation. The automatic fastening device comprises an insulating rod, aremote control electric torque wrench and a fixing pipe, and is provided with a limiting piece, so that the bolt on a wiring board is clamped between the remote control electric torque wrench and thelimiting piece, and the purpose of automatic fastening is achieved; the insulating rod is arranged, the distance between the remote control electric torque wrench and the limiting piece is convenientto adjust by rotating the insulating rod, operation is convenient, and fastening is facilitated; during fastening, power-off operation is not needed, the convenience during operation is improved, andthe heating degree of equipment is greatly relieved; and a remote control fan is arranged, so that during fastening, cold air is blown to the position of the bolt, heat on the bolt is cooled, the situation that the bolt is not t