The utility model relates to an electrician's apparatus, ware is hung to insulating ladder of hanging promptly, including couple (1) and pulley (3), its characteristics are: couple (1) upper end is equipped with link (4), links firmly below link (4) inserted bar (5), and opening (2) side top of couple (1) is equipped with sliding sleeve (6), inserted bar (5) and sliding sleeve (6) sliding fit, and inserted bar (5) lower extreme is equipped with spacing boss (7), is carrying when hanging ring (4), and inserted bar (5) shift up and leave couple (1) opening (2), accomplish the back when carrying hanging, inserted bar (5) closed (1) the opening (2) of geting in touch that falls by conducting oneself with dignity. The beneficial effects are that: the opening is closed when articulating the generating line, can prevent to come off, and the reuse rope is hung the insulation and is hung the ladder, only needs two people can accomplish hanging of string ladder, and light nimble, provides safe and reliable's apparatus for strong electric field live working.