Pay-off device for water conservancy project

The pay-off device for the water conservancy project comprises a movable bottom plate, four evenly-distributed universal wheels are arranged at the bottom of the movable bottom plate, four evenly-distributed limiting cylinders are arranged on the movable bottom plate, positioning rods are inserted into the limiting cylinders, the tops of the positioning rods are connected with a fixing plate, the upper portion of the fixing plate is connected with two supporting plates, and the two supporting plates are connected with the movable bottom plate. A connecting piece is arranged on the supporting plate on the right side and rotationally connected with the right end of a roller shaft, an anti-rotation ring is arranged at the left end of the roller shaft, an anti-rotation mechanism is arranged on the supporting plate on the left side, and the left end of the roller shaft penetrates through the supporting plate on the left side and is connected with a rotating handle. Compared with the prior art, the pay-off device h