Safety protective fence for oil pumping unit

The utility model relates to a safety protective fence for an oil pumping unit, and the safety protective fence includes fixing pegs (1), diagonal bracings (2), a cross bracing (3) and vertical bracings (5), and is characterized in that two fixing pegs (1) of the safety protective fence for the oil...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WANG YING, JIA YUNJI, LIU YUANBO, ZHAO CUIHUA, DIAO JUNXI, PU CHENGHE, LIU JINQUAN, SUN LIHUA
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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