Coal mine tunnel floor heave monitoring and alarming device

The utility model discloses a coal mine tunnel floor heave monitoring and alarming device, which relates to the field of tunnel floor heave monitoring and alarming devices and comprises a circuit main circuit and a branch circuit, the circuit main circuit comprises a switch, a power supply and a sli...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	KIM JI-KWAN, ZHAO SHUHAO, WANG CHUNBO, CHEN JINMING, DING ZHIBEN, MA XINQING, WU XIANGLEI, YANG JIQIANG, JIANG NING, ZHANG QIANG, ZHANG ZHAOWEI
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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