Power-assisted opening device for air door

Power-assisted opening device for air door

The utility model relates to a power-assisted opening device for an air door. The power-assisted opening device comprises a first guide wheel, a second guide wheel, a traction rope, a counterweight barrel and a counterweight barrel fixing barrel, the first guide wheel is located above the balance we...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SHAO GUANGLEI, GE RUI, XING DEDONG, ZHANG DONGFENG, TANG YAOYONG, ZHANG HAO, LI MIN, LIU YANHUA, WANG YANTAO
Format: Patent
Sprache:chi ; eng
Schlagworte:
EARTH DRILLING
FIXED CONSTRUCTIONS
MINING
SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS
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Beschreibung
Zusammenfassung:The utility model relates to a power-assisted opening device for an air door. The power-assisted opening device comprises a first guide wheel, a second guide wheel, a traction rope, a counterweight barrel and a counterweight barrel fixing barrel, the first guide wheel is located above the balance weight barrel fixing barrel, the air door is located on one side of the balance weight barrel fixing barrel, the second guide wheel is located on the other side of the balance weight barrel fixing barrel, the traction rope is sequentially connected with the air door, the second guide wheel, the first guide wheel and the balance weight barrel, and the balance weight barrel can be driven by the traction rope to move up and down in the balance weight barrel fixing barrel. And the weight of the counterweight barrel is adjustable. The traction rope is sequentially connected with the air door, the second guide wheel, the first guide wheel and the balance weight barrel, the balance weight barrel can move up and down in the