Cable length flag device

The utility model discloses a cable length flag device, including the support, set up guide pulley group and mark subassembly on the support, the support includes vertical pole setting and transverse strut, guide pulley group includes first single groove guide pulley, second list groove guide pulley, first multislot guide pulley, second multislot guide pulley, wherein, first multislot guide pulley, second multislot guide pulley are installed perpendicularly in vertical pole setting, first single groove guide pulley and second list groove guide pulley level set up on branch, and mark subassembly fixed mounting is between stand and second list groove guide pulley the base to and install ink horn and electro -magnet on the base, and the electro -magnet telescopic link links to each other with the ink horn, and the ink horn is close to the cable side and is equipped with soft shower nozzle, and electro -magnet passing signal line is connected with the the control unit that the admission machine constructs. Adopt