Special combined sleeve for loosening and tightening gas relay air plug nut

The invention provides a special combined sleeve for loosening and tightening a gas relay air plug nut. The special combined sleeve is characterized in that the special combined sleeve for loosening and tightening the gas relay air plug nut comprises two main rods, a hinging shaft, sleeve heads and pins; the two main rods are hinged through the hinging shaft; the sleeve heads are installed at the two ends of the two main rods respectively through the pins. The special combined sleeve has the advantages that the special combined sleeve for loosening and tightening the gas relay air plug nut can solve the problem that when tools such as pliers and a wrench are used for loosening and tightening a gas relay air plug top end nut originally, loosening is prone to occurring when the nut is tightened excessively or oil leakage occurs when the nut is not tightened, hidden dangers are brought to safety operation of a transformer and normal operation of a gas relay. Meanwhile, the special combined sleeve is simple in st