Tunnel construction supporting frame

The tunnel construction supporting frame comprises a supporting table, telescopic rods and universal wheels, a first motor and a second motor are arranged in the center of the interior of the supporting table, one end of the first motor is rotationally connected with a first threaded rod, and one en...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	GENG QIUYAN, XIE JIANDONG, GE ZHIZHU, WANG AIPING, LI ZHITAO, MEN CHUANG, YU LINFU, WANG HENG, WANG PINGGUO, HUANG JINGTAO, LYU FEI, MA JINLONG, ZHANG LIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LADDERS LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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