Automatic hoisting device for overhauling I-steel for vertical coal ball mill

The invention discloses an automatic hoisting device for an overhauling I-steel for a vertical coal ball mill. The device comprises a fixing support, wherein a conical transmission gear is mounted onthe fixing support and is engaged with a rotating gear; a lifting support is sleeved with a central h...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: XIA LINHUI, YU ZHICHENG, JIN HANGUANG
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The invention discloses an automatic hoisting device for an overhauling I-steel for a vertical coal ball mill. The device comprises a fixing support, wherein a conical transmission gear is mounted onthe fixing support and is engaged with a rotating gear; a lifting support is sleeved with a central hole of the conical transmission and is fixed relative to the conical transmission gear; a steel wire rope a is connected to the upper end of the lifting support; the lifting frame is fixed to the lower end of the lifting support; one end of the I-steel penetrates the fixing frame; a gear and rack driving structure and a limiting bearing are arranged between the I-steel and the fixing frame; the gear and rack driving structure comprises a moving gear and a moving rack; the moving rack is arranged on the I-steel in the length direction and is engaged with the moving gear; a lug is arranged at the other end of the I-steel and is connected to a steel wire rope b; and the moving gear and the rotating rack are driven thr