XKCON-Travel sensor testing device, which includes a chuck and a holder for fixing the two ends of the travel sensor, a magnetic ring for passing through the travel sensor, the magnetic ring can be moved by the servo system and the screw assembly, and the travel sensor can detect the travel distance of the magnetic ring when the magnetic ring is moving. In the process of magnetic ring movement, the servo system will transmit the detected magnetic ring travel distance to the computer in real time, and the travel sensor will transmit the detected magnetic ring travel distance to the computer in real time. The invention can quickly and effectively test the travel sensor to ensure that the factory travel sensor is qualified, so as to avoid safety accidents in coal mines using unqualified travel sensors, and the detection efficiency is high and the detection accuracy is high.