To provide a workpiece lifting device, etc. that does not require a liquid container to be sealed and can raise and lower a work table stably over a long period of time.SOLUTION: A workpiece lifting device 1 includes: a work table 10 on which a workpiece W is placed; a movable liquid tank 20; a fixed liquid tank 30; a pulley 40; a string body 50 one end of which is connected to the work table, the other end of which is connected to the movable liquid tank, and which is wound around the pulley; a first liquid passage 60A that connects the movable liquid tank with the fixed liquid tank; a second liquid passage 60B that connects the movable liquid tank with the fixed liquid tank; a first liquid control unit 70A to move liquid retained by the movable liquid tank to the fixed liquid tank via the first liquid passage; and a second liquid control unit 70B that moves liquid retained by the fixed liquid tank to the movable liquid tank via the second liquid passage.SELECTED DRAWING: Figure 1

    【課題】液体容器を密閉状態にする必要が無く、長期的に安定してワーク台を昇降させることができるワーク昇降装置等を提供する。【解決手段】ワーク昇降装置1であって、ワークWを載置するワーク台10と、可動液体タンク20と、固定液体タンク30と、プーリ40と、一端が前記ワーク台に連結され、他端が前記可動液体タンクに連結されると共に、前記プーリに巻き掛けられた紐体50と、前記可動液体タンクと前記固定液体タンクとを連通する第1液体通路60Aと、前記可動液体タンクと前記固定液体タンクとを連通する第2液体通路60Bと、前記可動液体タンクが保持する前記液体を、前記第1液体通路を介して前記固定液体タンクへ移動させる第1液体制御部70Aと、前記固定液体タンクが保持する前記液体を、前記第2液体通路を介して前記可動液体タンクへ移動させる第2液体制御部70Bと、を備える。【選択図】図1


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    Titel :

    WORKPIECE LIFTING DEVICE AND WORKPIECE LIFTING METHOD


    Weitere Titelangaben:

    ワーク昇降装置、及びワーク昇降方法


    Beteiligte:
    WATANUKI YUYA (Autor:in)

    Erscheinungsdatum :

    2022-05-18


    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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