Air acceleration sealing device

The invention provides an air acceleration sealing device, which is characterized in that an annular sealing body is fixed on the peripheral side of a sealing surface of a rotating shaft, an oil groove is formed in the axial inner side of the sealing body, a plurality of acceleration sealing units a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	YU SHANLIANG, LIANG YINGBIN, HUANG NANSHAN, LIN BIN, HE BAOHAI, LYU MINGYUE, HUANG WEIPING, GUO XIULAN, QUE WEIPING, LI RONGYAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING CYLINDERS ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING PISTONS SEALINGS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The invention provides an air acceleration sealing device, which is characterized in that an annular sealing body is fixed on the peripheral side of a sealing surface of a rotating shaft, an oil groove is formed in the axial inner side of the sealing body, a plurality of acceleration sealing units are arranged between the sealing body and the rotating shaft, and the acceleration sealing units arefixed on the rotating shaft and synchronously rotate along with the rotating shaft; the acceleration sealing units, the rotating shaft and the sealing body form a first annular groove cavity; a gap isformed in the side, which is close to the oil groove, of the acceleration sealing unit and the sealing body so as to enable the first annular groove cavity to be communicated with the oil groove, theacceleration sealing unit is provided with a plurality of inclined fan blades in the first annular groove cavity, and the fan blades rotate along with the rotating shaft so as to enable air in the first annular groove cavity t