| 摘要 |
There is provided a sea going barge train or modular tanker vessel for ocean transportation of cargo, such as oil or other dry or liquid materials, consisting of a forward traction unit, a rear powered caboose unit and a series of modular units or barges interposed therebetween wherein the units are serially and flexibly interconnected by means of a universal type coupling which permits relative limited yaw, pitch an3 roll movement between units. The hull of each barge unit is substantially semi-cylindrically shaped so that the hull immersed section is circular and the barge units are detachably coupled to each other fore and aft and to the traction and caboose units at the circle center of the circle segment defined by the hull cross section so that hull continuity of the barge train is maintained as the barge units roll relative to each other. The universal type coupling employed to detachably couple the barge units to each other and to the forward traction unit and rear caboose unit consists of a male coupling shaft extending from a universal joint mounted at the fore (or aft) of a barge unit and a female socket, for receiving the male coupling shaft, mounted at the aft (or fore) of a mating barge unit.
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