Length-adjustable gangway ladder trestle road structure

The utility model relates to the technical field of maritime work equipment, and provides a length-adjustable gangway ladder trestle road structure which comprises an outer gangway ladder provided with an outer side beam and an outer bottom beam. The inner gangway ladder is provided with an inner bottom beam and an inner side beam and is in sliding connection with the outer gangway ladder; the outer reinforcing beams are mounted on the outer bottom beam at intervals; the upper pulley is arranged on the outer reinforcing beam; the lower pulley is mounted below the upper pulley; and the winch is arranged on the outer gangway ladder. The upper pulley, the lower pulley and the bottom pulley are in contact connection with the upper end face and the lower end face of the inner bottom beam, and the side pulley is in contact connection with the side end of the inner bottom beam, so that the inner gangway ladder is smooth and efficient in telescopic action; the winch with the right coil and the left coil is arranged,