Coal conveying belt pull rope switch
The utility model provides a coal conveying belt pull-cord switch which specifically comprises a shell, a rocker arm and a pull-cord switch normally-open contact K controlled by the rocker arm, the shell is connected with the rocker arm through a rotating shaft, adjacent pull-cord switches are fixed...
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 utility model provides a coal conveying belt pull-cord switch which specifically comprises a shell, a rocker arm and a pull-cord switch normally-open contact K controlled by the rocker arm, the shell is connected with the rocker arm through a rotating shaft, adjacent pull-cord switches are fixedly connected through a pull ring and a pull cord, and the pull-cord switch normally-open contact is connected with a wire through a wire outlet; a hole is formed in the surface of the shell and is provided with an indicating lamp; comprising a reminding unit, a pull-cord switch normally open contact K is connected with an intermediate relay KA in series, a KA normally open contact is connected with an indicator lamp in series and then connected to the two ends of the KA and the KA in parallel, when a certain pull-cord switch is operated by mistake, the pull-cord switch normally open contact is closed, the corresponding intermediate relay is closed, the intermediate relay normally open contact is closed, the indicat |
---|