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Lay ramp for an underwater-pipeline laying vessel, lay ramp actuating method, and laying vessel comprising such a lay ramp
Lay ramp for an underwater-pipeline laying vessel, lay ramp actuating method, and laying vessel comprising such a lay ramp
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机译:用于水下管道铺设船的铺设坡道,铺设坡道致动方法以及包括这种铺设坡道的铺设船
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摘要
A lay ramp for an underwater-pipeline laying vessel has an inside ramp hinged to the laying vessel; an outside ramp hinged to the inside ramp; and an actuating device having a first actuating assembly for rotating the inside ramp with respect to the laying vessel, and a second actuating assembly secured to the outside ramp and to the first actuating assembly to rotate the outside ramp with respect to the inside ramp.
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