Lead fixing device of special fixing cross arm for iron tower

The utility model discloses a lead fixing device of a special fixing cross arm for an iron tower, which comprises a fixing clamp and a cable base, the cable base and the fixing clamp are clamped on aninsulating cross arm through screws, the cable base is a plastic seat, the lower part of the plastic seat is provided with a cable placing groove, and the lower part of the plastic seat is provided with a cable placing groove. A connecting support is fixedly installed on the side face of the cable base, a supporting plate is rotatably installed at the lower end of the connecting support, an adjusting mechanism is arranged on the supporting plate, a cable pressing block is fixedly installed at the movable end of the adjusting mechanism, and the cable pressing block extends into the cable containing groove to press a cable. A movable frame is rotationally installed in the middle of the connecting support, a connecting rod is rotationally installed on the inner side of the movable frame, andthe other end of the conn