Cable steel armor cutting device

The utility model provides a cable steel armor cutting device which comprises a metal operating rod for providing power for the cutting device, a metal chain used for ensuring that a cutting assembly moves in the circumferential direction of a cable to be cut and provided with one end connected with the metal operating rod, and a cutting assembly used for cutting a steel armor of the cable to be cut and arranged on the metal chain. The fastening assembly is used for fixing the cutting assembly to a preset position of the to-be-cut assembly and controlling the tension of the metal chain; the cutting assembly comprises a cutting knife fixedly connected with the metal chain and a plowshare arranged at the free end of the cutting knife. And the plowshare is arranged at the junction of the cable steel armor and the cable insulating layer under the action of external force. The cable steel armor cutting device is high in cable steel armor cutting efficiency, a cable body cannot be damaged, and cable insulation dama