BOOM DEVICE AND CONCRETE PUMP TRUCK

In one aspect of the invention, a boom apparatus includes at least a first boom, a second boom and a third boom sequentially connected to one another, wherein a root end of the first boom is connected to a turntable, some of the booms is a bent boom occupying at least two column spaces, and when the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: XIE, SHIHUI, DENG, BIAO, TIAN, RUNLI
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:In one aspect of the invention, a boom apparatus includes at least a first boom, a second boom and a third boom sequentially connected to one another, wherein a root end of the first boom is connected to a turntable, some of the booms is a bent boom occupying at least two column spaces, and when the booms are in a folded state, the boom apparatus occupies at least three column spaces. The invention also provides a concrete pump vehicle having the boom apparatus.