Mine collapse early warning device

The utility model belongs to the technical field of collapse early warning equipment, and particularly relates to a mine collapse early warning device. Comprising an adjustable supporting frame, a plurality of collapse detection mechanisms are arranged at the top end of the adjustable supporting fra...

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Bibliographische Detailangaben
Hauptverfasser:	ZHANG HAICHENG, ZHENG JIEMING, GU LEIYU, WANG YILONG, CHENG ZHENYU, YANG XIAOQUAN, LIANG GELONG, TANG CHAOMIAO, WANG FENG
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 belongs to the technical field of collapse early warning equipment, and particularly relates to a mine collapse early warning device. Comprising an adjustable supporting frame, a plurality of collapse detection mechanisms are arranged at the top end of the adjustable supporting frame, each collapse detection mechanism comprises a detection lever, each detection lever is rotationally installed on a lever support at the top end of the adjustable supporting frame, a first contact is arranged at one end of each detection lever, and a second contact is arranged at the other end of each detection lever; the distance between the first contact and the lever support is larger than the distance between the second contact and the lever support, the bottom end of the second contact is connected with the top end of the adjustable supporting frame through a spring, a trigger switch is arranged above the second contact, and the trigger switch is installed at the top end of the adjustable supporting frame t