On the basis of the first 4.14.3 and EN60598 GB7000.1-2007-1:2000 standard, this device is mainly used for inspection with appropriate soft rope or cord after adjusting device in constant bending torsional experiment was carried out;Assessment of whether the conductor fracture of the number of shares more than 50%, and the cable insulation layer cannot have serious damage.The equipment adopts PLC touch screen + + servo motor system, the test point of view, the speed can be set, the device USES optical focal position, axis of ways and the swivel centre of lamps and lanterns can realize with the axis of rotation, limit accurately and protect, not the lamps and lanterns or test fixture damage;During the trial if wire fracture cause power outages, power panel will display the current times, continues to be completed, and the test after completion of test equipment alarm;Is a function of stable operation simple lamps and lanterns is the preferred test equipment.