The invention provides a loading and unloading platform. The loading and unloading platform comprises a bearing table, a lifting device, a protective guard, a lap joint plate, a first control circuit,a second control circuit, a first driving mechanism and a second driving mechanism. A first contact assembly connected to the first control circuit in series is arranged at the bottom of the bearingtable, only when the lap joint plate rotates to a folded working state, the first contact assembly can be switched on, and therefore, the first control circuit is switched on, that is, only when the lap joint plate rotates to the folding working state, the first control circuit can control the lifting device to act, so that the bearing platform ascends and descends; a second contact assembly connected to the second control circuit in series is arranged at the bottom of the bearing table, the second contact assembly can be switched on only when the protective guard descends to a lower working state, so that the second control circuit is switched on, that is, the second control circuit can control the second driving mechanism to act only when the protective guard descends to the lower working state, so that the lap joint plate rotates; and the action control efficiency is high, the reliability is good, the control structure is simple, and the cost is low.

    本发明提供的装卸平台,包括承载台、升降装置、防护栏、搭接板、第一和第二控制电路、第一和第二驱动机构,通过在承载台底部设置串联在第一控制电路上的第一触点组件,只有在搭接板转动至收拢工作状态时,第一触点组件才能接通,从而使第一控制电路接通,即,只有在搭接板转动至收拢工作状态时,第一控制电路才能控制升降装置动作,使承载台升降;通过在承载台底部设置串联在第二控制电路上的第二触点组件,只有在防护栏下降至下工作状态时,第二触点组件才能接通,从而使第二控制电路接通,即,只有在防护栏下降至下工作状态时,第二控制电路才能控制第二驱动机构动作,使搭接板转动;该动作控制效率高、可靠性好,控制结构简单、成本低。


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    Titel :

    Loading and unloading platform


    Weitere Titelangaben:

    装卸平台


    Beteiligte:
    YUAN XIAOXIN (Autor:in) / CHEN ZHANG (Autor:in)

    Erscheinungsdatum :

    2021-03-26


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    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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