Signboard device capable of achieving ground potential assembling and disassembling operation

The utility model belongs to the technical field of electric power safety facilities and appliances, and particularly relates to a signboard device capable of achieving ground potential assembly and disassembly operation, which comprises a supporting rod, symmetrical positioning drag hooks are fixedly arranged at the upper end of the right side wall of the supporting rod, and a fixing support is arranged at the rear end of the supporting rod. Hanging points are fixedly arranged at the front ends of the front side wall and the rear side wall of the fixing support and connected with the positioning drag hooks in a clamped mode, angle steel is arranged on the rear side wall of the fixing support, a limiting block is fixedly arranged on the left side wall of the supporting rod, a mounting frame is arranged in the limiting block, and a signboard is arranged in the mounting frame. A positioning hole is formed in the lower side wall of the fixing support, a positioning pin is inserted into the positioning hole, and