Underground air door blocking device

The utility model relates to a mine mechanical equipment field especially relates to an underground air door blocking device, including setting up the base between first air door and second air door,first telescoping device and second telescoping device, first telescoping device and second telescopi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZHANG ZHANYUAN, YANG GUANG, CAO JINGSONG, SUN HEQUAN, WANG CHUNPO, ZHANG JIANJUN, ZHANG FENGFU, WANG JIANBIN, WANG ZHIZHONG, YAN JINGYI, FAN QINGJUN, YU PINGHENG, ZHAO GUANGFU, TANG DONGBAO
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 mine mechanical equipment field especially relates to an underground air door blocking device, including setting up the base between first air door and second air door,first telescoping device and second telescoping device, first telescoping device and second telescoping device are respectively including fixing the fixed part on the base and setting up the pars contractilis in the fixed part with sliding, first air door is connected through a connecting device to the pars contractilis of first telescoping device, and the second air door is connected through the2nd connecting device to the pars contractilis of second telescoping device, be located the lug -latch of mixing between first telescoping device and the second telescoping device, mix the lug -latchand include the rotation axis and wind the rotatory shelves pole of rotation axis. The utility model discloses an underground air door blocking device, simple structure, low in manufacturing cost, flexible movements, security p