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    • 8. 发明申请
    • UNDERWATER PIPE-LAYING VESSELS AND METHODS
    • 水下管道船舶和方法
    • WO0005525A3
    • 2000-05-04
    • PCT/EP9905201
    • 1999-07-21
    • SAIPEM SPAGIOVANNINI UMBERTOSIGNAROLDI TERESIOBIANCHI STEFANO
    • GIOVANNINI UMBERTOSIGNAROLDI TERESIOBIANCHI STEFANO
    • B63B35/03F16L1/19F16L1/20F16L1/16F16L1/23F16L1/235
    • B63B35/03B63B1/107F16L1/19
    • A pipe-laying vessel comprises: means (2) for propelling the vessel during pipe-laying; means for assembling sections of pipe generally horizontally on the vessel to form longer lengths; a tower (14) at the bow of the vessel, with respect to an intended direction of movement, pivotally mounted so that it can be angled forwards towards the top; means (29) for raising a length of pipe fromthe deck to a position aligned with the tower; means (21, 23) for joining such a length of pipe to a pipeline being laid; tensioners (20) arranged to grip such a pipeline and to lower it into the water while maintaining a desired tension in the pipeline; one or more clamps (18) arranged to grip the pipeline below the tensioners; and a lower ramp (17) provided with rollers and arranged to guide the pipeline as it leaves the vessel.
    • 管道铺设船包括:用于在铺管期间推进船舶的装置(2); 用于将管道的部分大致水平地组装在容器上以形成更长的长度的装置; 相对于预期的运动方向,在容器的弓处的塔(14)枢转地安装,使得其可以朝着顶部向前成角度; 用于将管道从甲板升高到与塔架对准的位置的装置(29); 用于将这种长度的管道连接到正在铺设的管道的装置(21,23); 张紧器(20)布置成夹持这样的管道并将其降低到水中,同时保持管道中期望的张力; 一个或多个夹具(18)布置成夹持在张紧器下面的管道; 和设置有辊的下坡道(17),并布置成当管道离开船舶时引导管道。