Shearing device for wire twisting detection in cable

The utility model relates to the technical field of cable cutting, and discloses a cutting device for cable internal wire twisting detection, which comprises a cutting assembly, a cable is placed above the cutting assembly, and the cable is limited by a positioning and clamping assembly; the shearing assembly comprises a supporting base, two symmetrically-distributed T-shaped sliding grooves are formed in the upper surface of the supporting base, a communicating hole is formed between the two T-shaped sliding grooves, the rear side of the upper surface of the supporting base is rotationally connected with a shearing knife through a hinged support, the shearing knife is located between the two T-shaped sliding grooves, and a fixed handle is fixedly installed at the front end of the shearing knife. The positioning and clamping assembly comprises a door-shaped support, and the door-shaped support is fixedly installed on one side of the upper surface of the supporting base. According to the utility model, a cable