Rotary lifting platform for tunnel punching

The utility model relates to a rotary lifting platform for tunnel punching. The rotary lifting platform comprises a first-stage lifting platform, a rotary platform, a second-stage lifting platform and a working platform. The rotating platform is mounted at the top of the first-stage lifting platform...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LYU JIANPING, LING ZHEN, ZOU JITONG, SHAO YANGXIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Beschreibung
Zusammenfassung:	The utility model relates to a rotary lifting platform for tunnel punching. The rotary lifting platform comprises a first-stage lifting platform, a rotary platform, a second-stage lifting platform and a working platform. The rotating platform is mounted at the top of the first-stage lifting platform; the first-stage lifting platform is used for driving the rotating platform to move up and down; the second-stage lifting platform is mounted at the top of the rotating platform, and the rotating platform is used for driving the second-stage lifting platform to rotate on the horizontal plane; the working platform is mounted at the top of the secondary lifting platform; the secondary lifting platform is used for driving the working platform to move up and down; the first-stage lifting platform and the second-stage lifting platform are connected through the rotating platform, after the first-stage lifting platform is lifted, the rotating platform drives the second-stage lifting platform to rotate horizontally, then