Brake device for oil pumping unit

The utility model discloses a brake device for an oil pumping unit, which is used in oil industry and aims to enable the braking process of the oil pumping unit to be labor-saving and reliable. The device comprises two brake hoops; the upper ends of the two brake hoops are hinged through a screw rod...

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Bibliographische Detailangaben
Hauptverfasser:	XU XINFENG, LIU ERHUAI, LU YANPING, FAN LI, HU HONGHAO, ZHAO XIAODONG, BI XINZHONG, XIE GUIXUE, NIU JUN, JIN LIPING, ZHAO LEI, YI SHANLI, SONG HONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING BRAKES CLUTCHES COUPLINGS FOR TRANSMITTING ROTATION EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS THERMAL INSULATION IN GENERAL WEAPONS
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