To provide a safety device for a high lift working device that can encourage proper use of body mooring tools.SOLUTION: In a safety device, an elevating operation control unit 104 enables a boom 30 to operate only when it is detected by a hook locking detection unit 103 that a low-place hook 94 L is locked to a safety belt locking device 50 in the case where a workbench height determined by a workbench altitude measurement section 102 is less than a predetermined altitude; or enables the boom 30 to operate only when it is detected that a high-place hook 94H is locked to the safety belt locking device 50 and the low-place hook 94 L is not locked by the hook locking detection unit 103 in the case where the workbench height exceeds the predetermined altitude.SELECTED DRAWING: Figure 7

    【課題】身体係留具を適正に使用することを促すことが可能な高所作業装置の安全装置を提供する。【解決手段】安全装置では、昇降作動制御部104が、作業台高度測定部102により求められた作業台高さが所定高度以下の場合には、フック係止検出部103により安全帯係止装置50に低所用フック94Lが係止されていることが検出されている場合に限りブーム30を作動可能とし、作業台高さが所定高度を越える場合には、フック係止検出部103により安全帯係止装置50に高所用フック94Hが係止され且つ低所用フック94Lが係止されていないことが検出されている場合に限りブーム30を作動可能とする。【選択図】図7


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    Title :

    SAFETY DEVICE FOR HIGH LIFT WORKING DEVICE


    Additional title:

    高所作業装置の安全装置


    Contributors:
    MACHIDA ASA (author) / SEKIYA MIZUKI (author)

    Publication date :

    2022-03-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    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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