Protecting cap of belt pulley of movable oil extractor

The utility model discloses a protecting cap of a belt pulley of a movable oil extractor, which is applied to safety protection of a belt pulley of an oilfield walking beam type oil extractor. One ends of two upper cross bars are vertically welded, two vertical bars are vertically welded at the othe...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	YANG XIAOKANG, GONG CUILAN, GUI LINYAN, DING SHENGJUN, AILIKEMU.MAIMAITIREYIMU, YUAN XIULIAN, HE XINFEI, CHEN XIAOMEI, LU QICHANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING 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 SAFETY DEVICES IN GENERAL THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The utility model discloses a protecting cap of a belt pulley of a movable oil extractor, which is applied to safety protection of a belt pulley of an oilfield walking beam type oil extractor. One ends of two upper cross bars are vertically welded, two vertical bars are vertically welded at the other ends of the two upper cross bars in the same direction, and two bent hooks are welded on the outer side of one of the vertical bars; a vertical bar is vertically welded at a welded part of the two upper cross bars; a middle transverse plate is welded in the middle parts of the vertical bars, a lower transverse plate is welded at the lower ends of the vertical bars; one of the upper cross bars, two of the vertical bars and the lower transverse plate form a rectangular frame; and iron sheets 5 are welded on the inner sides of two rectangular frames respectively. The protecting cap has the advantage that fixed pins are inserted into a guard rail of the oil extractor and the base of the oil extractor, so that unsafe