The utility model discloses a detachable high -voltage line pole, including the mobile jib, the both sides of protection casing bottom all are connected with the bracing piece, the circular slot has been seted up at the inboard top of mobile jib, logical groove has all been seted up at the front and the back of circular slot, the outside of circular slot is equipped with first spacing groove, the inboard of circular slot is equipped with linkage ball, linkage ball's inboard is equipped with the fixed block, the both sides of fixed block are all through the spring coupling gag lever post, one side of gag lever post is run through linkage ball and is extended to linkage ball's the outside, linkage ball's top is equipped with branch, the top of branch is equipped with the cross arm, the both sides at branch top all are equipped with the fixture block, two be connected with reset spring between the fixture block, the draw -in groove has been seted up at the middle part of cross arm bottom surface. The utility model discloses possess and let the wire pole can carry out the advantage of dismantling, solved the problem that the wire pole all expended time in during with the installation very much in the transportation.