Insulator chain erecting tower cross arm fixture

The utility model discloses an insulator chain erecting tower cross arm fixture which relates to the field of an electric tool and helps to solve the technical problem of small application range of the cross arm fixture in the prior art. According to the insulator chain erecting tower cross arm fixture in the utility model, an erecting tower is provided with a cross arm; the two ends of the cross arm along the length direction are respectively connected with a wire through an insulator chain. The cross arm fixture comprises an installation body connected with the cross arm. The upper surface of the installation body is provided with a through hole; the through hole is provided with a sleeve pipe; a tightening screw rod device is in threaded connection in the sleeve pipe; the side wall of the through hole along the width direction of the cross arm is in rotation connection with the sleeve pipe; and a deflection clearance is formed between the two side walls of the through hole along the length direction of the cross arm and the outer circle surface of the sleeve pipe. The cross arm fixture is suitable for the installation of the insulator chains on a plurality of towers.