Automatic drainage device for maintenance of vacuum pump

The utility model discloses an automatic drainage device for vacuum pump maintenance, which comprises a drainage cylinder, a liquid suction head and a spiral blade, the front end of the drainage cylinder is provided with a connecting frame and a telescopic pipe, the front end of the telescopic pipe...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MA YONGSHENG, SHI FENGGUANG, CHEN CHENG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING DRYING DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM HEATING LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BYUSING INERTIA OF FLUID TO BE PUMPED PUMPS FOR LIQUIDS OR ELASTIC FLUIDS SEPARATION SIPHONS TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	The utility model discloses an automatic drainage device for vacuum pump maintenance, which comprises a drainage cylinder, a liquid suction head and a spiral blade, the front end of the drainage cylinder is provided with a connecting frame and a telescopic pipe, the front end of the telescopic pipe is provided with a connecting pipe, the front end of the connecting pipe is provided with a fixed frame, the bottom end of the inner wall of the fixed frame is provided with a sealing gasket, and the middle part of the inner side of the fixed frame is provided with the liquid suction head; a first fixing ring is installed at the front end of the inner side of the liquid drainage cylinder, a fixing rod is installed on the inner side of the first fixing ring, a rolling bearing is installed at the end, away from the first fixing ring, of the fixing rod, a rotating rod is installed on the inner side of the rolling bearing, spiral blades are installed on the outer side of the rotating rod, and a second fixing ring is ar