Automatic catwalk bridge retracting and releasing device

The invention relates to an automatic catwalk bridge retracting and releasing device. The automatic catwalk bridge retracting and releasing device comprises a catwalk bridge and a set of steel wire rope winches; the catwalk bridge is hinged to a catwalk machine platform so that the catwalk bridge ca...

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Bibliographische Detailangaben
Hauptverfasser:	ZHANG PENGFEI, SUN MINGYUAN, LIU SHUANGYING, HUANG FANGFEI, LI FUJIAN, ZHAO JIANTING, FENG QIZENG, ZENG ZHAN, TANG XUDONG, WANG MINGXIN
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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