Device for measuring and positioning height in tunnel

The utility model discloses a height measuring and positioning device in a tunnel, which comprises a vehicle body, a lifting frame is arranged on the vehicle body, the lifting frame comprises a cross beam, a bull-eye universal wheel is mounted on the cross beam, a force bearing rod penetrates throug...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	REN SHUO, HAO KUN, LIU MINCHUAN, YANG YUNPENG, ZHAO YUANJIAN, YUAN QUNHU, WU MINGYAN, WANG XI, GAO XIAOHUI, HE KANGPING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	GYROSCOPIC INSTRUMENTS MEASURING MEASURING ANGLES MEASURING AREAS MEASURING DISTANCES, LEVELS OR BEARINGS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS SURVEYING TESTING
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