Shipborne boat folding and unfolding centering guide device

The invention discloses a shipborne boat folding and unfolding centering guide device. A fixing shaft is arranged at the position, opposite to the side edge of a bow of a shipborne boat, of a recovery device, a rotating plate is hinged to the fixing shaft, front and rear rollers are hinged to the two ends, opposite to the bow and the stern of the shipborne boat, of the rotating plate, and the distance between the two front rollers and the midline of the shipborne boat during berthing is larger than the distance between the rear roller and the midline of the shipborne boat, so that he connecting lines of the front rollers and the rear rollers on the two sides form a V shape, and a reset mechanism for driving the front roller and the rear roller to reset is additionally arranged. The shipborne boat folding and unfolding centering guide device can center and guide the shipborne boat, so that the shipborne boat accurately and quickly enters a dock pool door and is recycled, and meanwhile, the collision probabilit