Lifting arm capable of automatically leveling and arch frame machine

Lifting arm capable of automatically leveling and arch frame machine

The utility model discloses a lifting arm capable of automatically leveling and an arch frame machine, which comprise a rotating arm, a lifting arm, a lifting arm, a lifting arm, a lifting arm, a lifting arm, a lifting arm, a lifting arm and a lifting arm support, and the rotating arm is provided wi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: CHEN MIAOLIN, LIU ZHIHUI, LI KEJUN, WENG TIANHAO, PENG YUN, YU XIANG, TAN DIFU, PENG JUNWEI, YAO XUEJUN, LIU CHANGHONG, ZHANG QINGLIN
Format: Patent
Sprache:chi ; eng
Schlagworte:
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
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Beschreibung
Zusammenfassung:The utility model discloses a lifting arm capable of automatically leveling and an arch frame machine, which comprise a rotating arm, a lifting arm, a lifting arm, a lifting arm, a lifting arm, a lifting arm, a lifting arm, a lifting arm and a lifting arm support, and the rotating arm is provided with a first hinge part, a second hinge part, a third hinge part and a fourth hinge part; the first rotating block is provided with a first connecting part and a second connecting part, and the first connecting part is hinged to the first hinge part; the second rotating block is provided with a third connecting part and a fourth connecting part, the third connecting part is hinged to the third hinge part, and the end, away from the rotating arm, of the second rotating block is used for being connected with the bracket assembly; one end of the first driving cylinder is hinged to the second hinging part, and the other end of the first driving cylinder is hinged to the second connecting part; one end of the second drivi