A spreader (24) comprising: a main frame carrying container connector devices configured to engage with a transport container (10); a rotator enabling the main frame to rotate about a substantially vertical axis of rotation (A2) relative to the crane support; a rotation motor configured to operate the rotator to rotate the main frame in response to a rotation control signal; a rotation detector configured to detect rotation of the main frame relative to the crane bracket; and a control system configured to generate a rotation alarm signal based on a difference between the rotation control signal and the rotation detected by the rotation detector.

    一种吊具(24),包括:承载集装箱连接器装置的主框架,这些集装箱连接器装置配置成与运输集装箱(10)接合;旋转器,使得主框架能够相对于起重机支架围绕基本上竖直的旋转轴线(A2)旋转;旋转马达,配置成响应于旋转控制信号而操作旋转器以使主框架旋转;旋转检测器,配置成检测主框架相对于起重机支架的旋转;以及控制系统,配置成基于旋转控制信号与由旋转检测器检测到的旋转之间的差异来产生旋转警报信号。


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    Title :

    Lifting appliance system, lifting appliance and method for carrying and transporting containers by using lifting appliance


    Additional title:

    吊具系统、吊具以及使用吊具搬运运输集装箱的方法


    Contributors:

    Publication date :

    2022-11-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES / B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last




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