10kV/35kV centrally installed switchgear handcart switch travel switch repeating device
The invention discloses a 10kV/35kV centrally installed switchgear handcart switch travel switch repeating device which comprises a handcart switch, a traveling rail, a stroke contact ball, a compression spring and a self-maintaining repeating relay. The handcart switch moves along the traveling rai...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses a 10kV/35kV centrally installed switchgear handcart switch travel switch repeating device which comprises a handcart switch, a traveling rail, a stroke contact ball, a compression spring and a self-maintaining repeating relay. The handcart switch moves along the traveling rail, the stroke contact ball is arranged below the traveling rail through the compression spring and half-exposed on an advancing route of the handcart switch, and a movable contact is mounted on the stroke contact ball and can move between a normally-closed static contact and a normally-open static contact of the self-maintaining repeating relay. The device is simple in wiring, reliable running of a 10kV/35kV handcart switch at a working position is ensured, reliability of stroke switch positioncontact contact and accuracy of position contact signal transmission are guaranteed, the problem of stroke contact unreliability is thoroughly eliminated, and safe and stable running of a power grid is ensured.
本发明公开了种10kV/35 |
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