| 摘要 |
FIELD: transportation.SUBSTANCE: invention relates to pontoons, which are used to maintain faulty or lifted ships afloat at their towing to basing sites. Pontoon to maintain faulty objects afloat comprises flat-sided hull, drained compartments, system of compartments flooding and drying, eyebolts for lashing and towing, necks with covers for passage into compartments, stropping devices with rockers, flutes, guides for slings, tight fit provision devices. Tight fit provision devices are made in form of thrust spacers, each of which is equipped with replaceable inserts and ledges. Thrust spacers external surface shape corresponds to submarine hull at pontoon installation point. L-shaped guides are installed on pontoon hull. Thrust spacers ledges and guides are equipped with openings for pins, using which thrust spacer is fixed on pontoon in working position.EFFECT: enabling improved operating characteristics of pontoon.1 cl, 2 dwg |
