Novel horsehead pin assembly for beam-pumping unit

A novel horsehead pin assembly for a beam-pumping unit comprises a pull ring (1), a pull bar mechanism (2), a washer (3), a horsehead pin shell (4), a return spring (5), a horsehead pin positioning bolt (6), a horsehead pin body (7) and a base (8). The novel horsehead pin assembly is characterized i...

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Bibliographische Detailangaben
Hauptverfasser:	XIA LIANG, YANG QINGJUN, MIAO YIQING, LIU TONGWU, SUI YINGZHANG, HU YUXIA, TANG SHOUZHONG, LI YANG, YAN YINGSAN, LIU GUANGBIN
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING 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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Beschreibung
Zusammenfassung:	A novel horsehead pin assembly for a beam-pumping unit comprises a pull ring (1), a pull bar mechanism (2), a washer (3), a horsehead pin shell (4), a return spring (5), a horsehead pin positioning bolt (6), a horsehead pin body (7) and a base (8). The novel horsehead pin assembly is characterized in that the base (8) is in a rectangular structure, the periphery of the base (8) is provided with four bolt holes, the base is fixed to the front end of a walking beam of the beam-pumping unit through bolts, two ends of the horsehead pin shell (4) are provided with round holes unequal in diameter, the horsehead pin body (7) in a step form is mounted inside the horsehead pin shell (4) after the return spring (5) is added to the horsehead pin, the small-diameter end of the horsehead pin body (7) penetrates the washer (3) and is connected with the pull bar mechanism (2), and the pull ring (1) is fixed at the top end of the pull bar mechanism (2). The novel horsehead pin assembly which can run stably is high in safety and convenient to operate, and labor intensity is relieved for on-duty workers.