Rail winding and unwinding devices

The utility model discloses a rail winding and unwinding devices, include: locating component and rail centre gripping subassembly. Locating component includes guide holder, gallows constitution and vertical hydro-cylinder. Rail centre gripping subassembly includes the slider, and the inside of slider further is provided with: set up relatively each other along the length direction of guide holder, move about the long wheel that presss from both sides of centre gripping to the railhead of rail and take turns with short the clamp, be located long wheel and the short rear portion that presss from both sides the wheel of pressing from both sides to length direction along the guide holder sets up each other relatively, and the railhead of fixing the centre gripping to the railhead of rail is by the wheel, the setting is at long wheel and the short upper portion that presss from both sides between the wheel, the tread pinch roller of applying the downward pressure to the rail surface of rail of pressing from both sides. The utility model discloses can be based on the needs centre gripping that trades the rail and remove the rail, the effort of effective control rail makes the rail get into the support rail groove smoothly, and applicable railway trades the needs of rail operation.