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热词
    • 2. 发明授权
    • Apparatus for use in raising or lowering a load in a condition of
relative motion
    • 用于在相对运动的状态下升高或降低负载的装置
    • US4025055A
    • 1977-05-24
    • US593505
    • 1975-07-07
    • Willem Josef George Strolenberg
    • Willem Josef George Strolenberg
    • B66C13/02B66D1/52B66D1/48
    • B66C13/02B66D1/52Y10S254/90
    • Motion compensated load lifting apparatus for use on marine vessels. Apparatus includes means for maintaining tension in load lifting member during relative motion and means for locking the tensioning means in one direction of motion. Tensioning means includes high and low pressure accumulators which enable compressed fluid to act on linear or rotary drives to apply high and low tension. Load rises and falls with vessel under high tension but weight is mainly offset. Locking means, such as ratchet and pawl or pilot-operated valve, is selected to lift load from vessel at crest of relative motion. Tension can be applied with linear ram, rotary drive or through differential drive.
    • 用于船舶的运动补偿载荷提升装置。 装置包括用于在相对运动期间保持负载提升构件中的张力的装置以及用于在一个运动方向上锁定张紧装置的装置。 张紧装置包括高压和低压蓄能器,其使得压缩流体能够作用于线性或旋转驱动器以施加高和低张力。 负载上升和下降与容器在高张力下,但重量主要抵消。 选择锁定装置,例如棘轮和棘爪或先导式操作阀,以在相对运动的顶部从容器提升载荷。 张力可以用线性柱塞,旋转驱动或差速驱动应用。