To provide a cargo transporting machine capable of suppressing the falling of cargo during a transportation using a pneumatic circuit.SOLUTION: A cargo transporting machine has a first a pneumatic circuit to drive a gripping mechanism by a hand mechanism and either one of an operation part 3 or a gripping part 4 has a landing detection valve. A compressed air is supplied to a mechanical valve for operating a gripping part (to a gripping mechanical valve and a release mechanical valve) only while the distance in the vertical direction between the operation part 3 and the gripping part 4 is small (for example, while a hinge pin to vertically connect the operation part and the gripping part is pushed in). On the other hand, the compressed air is cut off at other times. Specifically, the compressed air to the mechanical valve for operating a gripping part (to a gripping mechanical valve and a release mechanical valve) is cut off and the gripping and releasing operations for the cargo cannot be performed when the cargo is suspended in mid-air (for example, in the state in which the hinge pin is removed).SELECTED DRAWING: Figure 1

    【課題】空圧回路を用いた、運搬中の荷役物の落下を抑制することが可能な荷役物運搬機を提供すること。【解決手段】ハンド機構が把持機構を駆動するための第1空圧回路を有し、操作部および把持部のいずれか一方は、着地検知バルブを有する。着地検知バルブを有することで、操作部3と把持部4との上下方向における距離が小さい間(例えば、操作部と把持部とを上下に連結するヒンジピンを押し込む間)だけ、把持部操作用メカバルブ(把持用メカニカルバルブおよび解放用メカニカルバルブ)に圧縮空気が供給される。一方、それ以外の時には、圧縮空気が遮断される。具体的には、荷役物が宙吊りの状態(例えば、ヒンジピンが抜かれた状態)の場合、把持部操作用メカバルブ(把持用メカニカルバルブおよび解放用メカニカルバルブ)への圧縮空気が遮断され、荷役物の把持操作および解放操作ができなくなる。【選択図】図1


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    Titel :

    CARGO TRANSPORTING MACHINE


    Weitere Titelangaben:

    荷役物運搬機


    Beteiligte:

    Erscheinungsdatum :

    25.10.2024


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B66C Krane , CRANES



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