Vehicle-mounted trolley lower longitudinal beam positioning device capable of quickly positioning

The utility model relates to a vehicle-mounted trolley lower longitudinal beam positioning device capable of quickly positioning, which comprises a front lower longitudinal beam and a rear lower longitudinal beam which are adjacent, a positioning mechanism and a locking mechanism, the positioning me...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YANG ENXI, MAO TIEZHU, ZHANG LEIJING, DU KANGKANG, MA TIANGE, ZHANG ZHIHONG, LYU DAN, ZHANG QIANKUN, GUO DONGXIAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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