Closed lubricating oil filling device for well site equipment

The utility model discloses a well site equipment lubricating oil closed filling device which comprises an oil storage barrel and an intermediate tank, an oil pumping port of the oil storage barrel is connected with a port A of a first two-position three-way electric valve through a quick connector...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TANG SHUSHENG, LYU WEIXIANG, XI YONGJUN, WANG ZHIPING, TANG YUEQING, HOU CANHONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING CONTROLLING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING LUBRICATING MECHANICAL ENGINEERING PHYSICS PIPE-LINE SYSTEMS PIPE-LINES REGULATING STORING OF DISTRIBUTING GASES OR LIQUIDS SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The utility model discloses a well site equipment lubricating oil closed filling device which comprises an oil storage barrel and an intermediate tank, an oil pumping port of the oil storage barrel is connected with a port A of a first two-position three-way electric valve through a quick connector and an oil pumping hose, and an oil outlet in the lower portion of the intermediate tank is connected with a port C of the first two-position three-way electric valve through an intermediate tank oil outlet pipe. A port B of the first two-position three-way electric valve is connected with an inlet of the diaphragm pump, an outlet of the diaphragm pump is connected with a port B of the second two-position three-way electric valve, a port C of the second two-position three-way electric valve is connected with an oil inlet in the upper portion of the intermediate tank through an intermediate tank oil inlet pipe, and a port A of the second two-position three-way electric valve is connected with an inlet of the oil gun