| 摘要 |
FIELD: through transportation of cargoes in river-sea navigation. SUBSTANCE: ships train includes two or several lines of river and sea section interconnected by means of shipboard couplers and river and sea pusher boats. Sea sections have fore boss with bilge recesses-stops and aft submersible fairwaters forming together with aft transom square recess with vertical inner walls. Recess is provided with horizontal coupling grooves inside it for receiving the draw bars projecting in front of sea pusher boat and over its sides. Sea pusher boat is rigidly fixed in recess in extreme front position and is provided with water ballast compartments located symmetrically in its hull. EFFECT: enhanced safety of navigation; no loss in speed. 3 cl, 2 dwga |
