Hanging device of magnetic force signboard

The utility model relates to a sign accessory of a switching operation of an overhead distribution line in the power industry, in particular to a hanging device of a magnetic force signboard. When operations are carried out on a power transmission line in the power industry, hanging a signboard is one of the important technical measures for guaranteeing safety. In the prior art, a signboard is usually directly hung through a rope, operations are inconvenient, and the signboard tends to be blown off, or the signboard is hung on a sealed component with a metal hook, but the metal hook has safety hidden risks. According to the technical scheme, the hanging device of the magnetic force signboard comprises a barrel-shaped hanging body and a permanent magnetic body, wherein the top of the barrel-shaped hanging body is a sealed end, the lower end of the side wall of the barrel-shaped hanging body is provided with an inverted-L-shaped sliding groove, the lower end of the vertical section of the sliding groove is prov