The Logistics-Over-the Shore (LOTS) mission requires the capability to off-load containers and break-bulk cargo from large oceangoing ships onto a variety of lighters (and other small craft). Off-loading must be accomplished in all types of weather and in the presence of high sea states. Problems arise due to the motions of the vessels in inertial space and the motions of the vessels relative to each other. Existing shipboard cranes use a single cable with a cargo coupling mechanism (spreader) suspended from an overhead structure. Ship motion forces the cargo (or spreader) into pendulous action, allowing it to swing unchecked. Extreme difficulty is encountered when trying to mate the spreader with a container that is on the oceangoing vessel itself. Furthermore, depositing the swinging container on a moving lighter without damage to cargo and hazards to personnel is even more difficult.


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    Titel :

    Design Studies for a Stabilized Shipboard Crane


    Beteiligte:
    C. A. Belsterling (Autor:in) / G. C. Gambs (Autor:in) / H. B. Hammill (Autor:in)

    Erscheinungsdatum :

    1987


    Format / Umfang :

    64 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch





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