Shaft end sealing device of dry-mixed mortar mixer

The invention relates to a shaft end sealing device of a dry-mixed mortar mixer. The shaft end sealing device comprises a mixing shaft and a barrel, a wear-proof sleeve is fixed on an outer ring of the mixing shaft, two sealing rings are arranged between a flange and the wear-proof sleeve and are sp...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SUN JIAWEI, SUN TINGYI, WANG RIDONG, LIU JIABIN, XIANG SHIPING, DAI RUOQI, ZHI GANG
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 relates to a shaft end sealing device of a dry-mixed mortar mixer. The shaft end sealing device comprises a mixing shaft and a barrel, a wear-proof sleeve is fixed on an outer ring of the mixing shaft, two sealing rings are arranged between a flange and the wear-proof sleeve and are spaced by a spacing sleeve so that an enclosed space is formed among the two sealing rings, the spacing sleeve and the wear-proof sleeve, and lubricating grease is filled in the enclosed space and achieves sealing as well as lubricating. The two sealing rings and the spacing sleeve are connected with the flange through a compressing sleeve, a grease cup is connected on the compressing sleeve, the lubricating grease is filled into the enclosed space via the grease cup, the sealing rings and a grease hole in the spacing sleeve, and the flange is connected with the barrel through bolts. The shaft end sealing device has the advantages that standby sealing rings can be replaced without detaching bearing seats by the aid o