Cable device

The utility model discloses a cable device, which comprises a turntable and an expansion device, and the turntable is rotatably connected to a frame body. The expansion device is used for being arranged in a cable roll in a penetrating mode and tensioning the cable roll. The expansion device comprises a main shaft, a spring and a plurality of groups of tensioning units; the plurality of groups oftensioning units are annularly distributed relative to the main shaft; the tensioning unit comprises a tensioning plate, a first rod piece, a second rod piece, a first supporting sleeve, a second supporting sleeve and a spring, the main shaft is sleeved with the first supporting sleeve and the second supporting sleeve, the first supporting sleeve is fixedly connected with the main shaft, the second supporting sleeve is slidably connected with the main shaft, and the spring is pressed between the first supporting sleeve and the second supporting sleeve. According to the device, an unused cableroll can be tensioned on t