Shape of a hoof tunnel construction rack

The utility model relates to a tunnel construction device field discloses a shape of a hoof tunnel construction rack, and it includes rack main body and mobile device, is equipped with rack main bodyon the mobile device, and the mobile device includes bottom plate, first pulley mechanism and second...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	QIN YUEFENG, MA ZHIDENG, QIN GUOYOU, HE ZHANQU, ZHENG XIONGWEI, ZHU QUNYAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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