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    • 6. 发明授权
    • Launching and recovery apparatus
    • 发射和恢复装置
    • US4406244A
    • 1983-09-27
    • US269362
    • 1981-06-01
    • Alexander B. BuchanAndrew R. Kingswood
    • Alexander B. BuchanAndrew R. Kingswood
    • B63B23/02B63B23/34
    • B63B23/02B63B23/34
    • A launching and recovery apparatus for a lifeboat, rescue launch or like small boat fitted to a ship, floating or fixed marine platform or other vessel which is controlled by a single fall comprises a launching and recovery cradle 7 from which a boat can hang freely on a releaseable support. During its travel between a fully hoisted and a partly lowered position the boat and cradle are supported on trackways 2 extending inwardly and upwardly from the deck of the vessel by roller assemblies 31, 32 at the base of the cradle which run on respective trackways. The cradle 7 has a symmetrical upwardly convergent frame 35, 36, 37 whose apex is arranged for connection of the single fall wire 43 by which the cradle is held in a stable attitude during launching and recovery with the boat suspended freely from the cradle on a single releaseable support 38. A single sheave 15 located above the cradle symmetrically between the trackways 2a takes up or pays out the fall wire 43, to raise or lower the cradle 7. The boat is suspended from a position well above its center of gravity which assists stability in roll and pitch and the arrangement is of simplified construction and uses less moving parts than previous designs of cradle launched boats.
    • 一艘救生艇,救援艇或类似小船的发射和恢复装置,安装在船上,浮式或固定海洋平台或由单一坠落者控制的其他船舶上,包括一个发射和回收支架7,船可以从船上自由悬挂 一个可释放的支持。 在其完全提升和部分降低的位置之间的行进期间,船和支架被支撑在轨道2上,轨道2从通过相应轨道运行的支架底部的辊组件31,32从船的甲板向内和向上延伸。 支架7具有对称的向上收敛框架35,36,37,其顶点被布置成用于连接单个坠落线43,借助于该坠落线43,支架在发射和恢复期间以稳定的姿态被保持,其中船在托架上自由地悬挂在 单个可释放支撑件38.在轨道2a之间对称地位于摇篮上方的单个滑轮15占据或支付掉落线43,以升高或降低托架7.该船从远离其重心的位置悬挂, 有助于滚动和俯仰的稳定性,并且安排是简化的结构,并且使用比以前的摇篮发射船的设计更少的移动部件。