One -arm type who is applied to high -voltage overhead line tower pole drives bird and shields cover

The utility model provides an one -arm type who is applied to high -voltage overhead line tower pole drives bird and shields cover, belongs to the line protection field. It sets up the middle cover that shields of T font in wire and insulator chain's joint portion, shield two open ends that the wire direction is followed to the cover in the middle of the T font, set up a left and right rifle hoodrespectively, shields in the middle of the T font between cover and the left and right rifle hood, through peg graft or the riveted mode fixed / connection is as an organic whole. Its joint portion through at overhead transmission line wire and horizontal insulator chain sets up the defence formula and shields the protection casing, divides to insulate to the terminal metal bowl of insulating armand naked wire portion and shields to designate the insulating of length to extend along the overhead line direction, increase the electrical insulation distance between bird's nest and the power supply overhead line, produce