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...
Gespeichert in:
Hauptverfasser: | , , |
---|---|
Format: | Patent |
Sprache: | chi ; eng |
Schlagworte: | |
Online-Zugang: | Volltext bestellen |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
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 |
---|