To provide a safety device of a high elevation work vehicle capable of preventing a collision between a work object and a work table.SOLUTION: There is provided a safety device of a high elevation work vehicle configured to perform control to cause a boom actuator (a boom turning motor, a boom derricking cylinder 25, a boom expansion cylinder) to operate at normal operating speed according to the amount of operation of a boom operation lever when a handrail on a work table 300 is not folded, and performs control to cause the boom actuator (the boom turning motor, the boom derricking cylinder 25, and the boom expansion cylinder) to operate at restriction operating speed which is slower than the normal operating speed when the handrail on the work table 300 is folded and a height position of the work table 300 is greater than an operating speed restricting height RH.SELECTED DRAWING: Figure 9

    【課題】作業対象物と作業台との衝突を防止することができる高所作業車の安全装置を提供する。【解決手段】作業台300における手摺りが折り畳まれていない状態のときは、ブーム操作レバーの操作量に応じた通常作動速度でブームアクチュエータ(ブーム旋回モータ、ブーム起伏シリンダ25、ブーム伸縮シリンダ)を作動させる制御を行い、作業台300における手摺りが折り畳まれた状態であり、且つ、作業台300の高さ位置が作動速度規制高さRH以上のときは、前記通常作動速度よりも遅い規制作動速度でブームアクチュエータ(ブーム旋回モータ、ブーム起伏シリンダ25、ブーム伸縮シリンダ)を作動させる制御を行うように構成される。【選択図】図9


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    Titel :

    SAFETY DEVICE OF HIGH ELEVATION WORK VEHICLE


    Weitere Titelangaben:

    高所作業車の安全装置


    Beteiligte:
    KAGATA TAKESHI (Autor:in)

    Erscheinungsdatum :

    06.02.2020


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    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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