High-voltage electrified sf6 air supply device for transformer substation

The embodiment of the utility model provides a high-voltage electrified sf6 air supply device for a transformer substation, and belongs to the technical field of transformer substation maintenance equipment. The device comprises a gas supplementing bottle used for supplementing gas for the high-voltage switch, and a flow meter is arranged at a valve port of the gas supplementing bottle and used for determining the amount of gas supplemented for the high-voltage switch; the carrying trolley is arranged below the gas supplementing bottle and used for transporting the gas supplementing bottle to a designated position, and the carrying trolley comprises a trolley body which is arranged below the gas supplementing bottle and used for bearing the gas supplementing bottle; the bottom plate is arranged at the bottom of the vehicle body so as to be matched with the vehicle body to bear the air supply bottle; the wheels are arranged near the side face of the bottom of the vehicle body and rotationally connected with th