Shaft sleeve structure for protecting electromagnetic bearing of primary helium fan

The invention discloses a shaft sleeve structure for protecting an electromagnetic bearing of a primary helium fan, and belongs to the field of fans, the shaft sleeve structure for protecting the electromagnetic bearing of the primary helium fan comprises an axial electromagnetic bearing, a thrust d...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LI XINGBO, LI RUI, TAI LIJUAN, SU GUOXIA, ZHAO MINGCHEN, ZHANG JIAO, DONG HAO, ZOU DEBAO, LI YUANFENG
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The invention discloses a shaft sleeve structure for protecting an electromagnetic bearing of a primary helium fan, and belongs to the field of fans, the shaft sleeve structure for protecting the electromagnetic bearing of the primary helium fan comprises an axial electromagnetic bearing, a thrust disc, an auxiliary bearing, an auxiliary bearing outer cover, a shaft sleeve and a locking nut; the upper end of the primary helium fan rotor is connected with a shaft sleeve; the upper part of the shaft sleeve is connected with a locking nut; the shaft sleeve is matched with the auxiliary bearing outer cover; the lower part of the shaft sleeve is connected with the auxiliary bearing outer cover; the bottom of the auxiliary bearing outer cover is connected with a main helium fan; the lower part of the auxiliary bearing outer cover is connected with the auxiliary bearing; the auxiliary bearing is matched with the main helium fan rotor, and the inner side of the auxiliary bearing is connected with the main helium fan