Labor-saving fixing clamp for mounting and dismounting wire clamp

The invention discloses a labor-saving fixing clamp for mounting and dismounting a wire clamp. The labor-saving fixing clamp comprises a supporting rod (1), a left support (2), a right support (3) and clamps, the top of the left support (2) and the top of the right support (3) are movably connected with the supporting rod (1), and the left support (2) and the right support (3) are respectively provided with the clamp. The positions of the left support and the right support on the supporting rod can be moved, the positions of the clamps on the left support and the right support can also be moved, namely the distance position between the clamps can be adjusted at will, and the labor-saving fixing clamp can be suitable for wire clamps of various models and sizes encountered in current overhaul operation. The installation time of the whole wire clamp can be shortened, the wire clamp is prevented from being thrown to other electrified equipment or workers, convenience and rapidness are achieved, single-person oper