Novel dry air insulation ring main unit

The utility model discloses a novel dry air insulation ring main unit. The device comprises a base and an insulating cabinet, a gear motor is fixedly connected into the base. The output end of the gear motor is fixedly connected with a first rotating shaft, the first bevel gear is connected with a second bevel gear in a meshed mode, the insulation cabinet is fixedly connected with a hinge, the other side of the hinge is fixedly connected with a packaging door, a fastening device is fixedly connected in the insulation cabinet, and heat dissipation holes are formed in the side face of the insulation cabinet. The novel dry air insulation ring main unit is provided with the fastening device. The device comprises a threaded through hole, a threaded rod, a turntable, a bearing, a fastening plateand a sliding block, during transportation, power transmission and distribution gas equipment is firstly placed on the tray, then the threaded rod is rotated through the rotary disc, the threaded rodmoves inwards through the