STEEL SHIP-LIFTING PONTON Russian patent published in 2021 - IPC B63C7/08 

FIELD: shipbuilding industry.

SUBSTANCE: invention relates to the field of lifting sunken objects, in particular to steel ship-lifting pontoons. The steel ship-lifting pontoon contains a hull, on the deck of which there are rails, haws, lifting butts, ladders, a two-groove sling-shortening device, single-groove sling-shortening devices with rollers, longitudinal lashing butts, boxes with valves for rapid flooding and compartment blowing. Towing eyes are installed on the ends of the cylindrical part of the pontoon, on the side surface of the pontoon body there is a wooden sheathing, in the cutouts of which streams are made opposite the entrance to the transverse slinging devices. On the opposite side of the transverse slinging device behind the haws on the pontoon body there are butts equipped with removable ring-shaped ends.

EFFECT: invention improves reliability of fastening the steel ship-lifting pontoon on the hull of the sunken object and reduces the time required for sharpening the pontoon.

1 cl, 2 dwg