Mountain falling rock interception alarm device and method

The invention discloses a mountain falling rock interception alarm device and method. The device comprises a first shielding mechanism and a second shielding mechanism, the first shielding mechanism is installed at the rear position of the second shielding mechanism. The lower end of the first shiel...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LIU XICHAO, GU CONGNAN, TIAN QI, XIN HAO, HU CONG, XIAO FEI, GUO WEI, DUAN PEINING, JIA MUSI, PIAN LEI, YANG JIANWEI, XU FENG, ZHAN JIAN, JIA CHAO, CHE LUKUAN, CHEN JUNJIE, YANG XUEWEI, CAO JIAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTIONOF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, ORTHE LIKE ALARM SYSTEMS CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES FIXED CONSTRUCTIONS MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC ORINFRASONIC WAVES MEASURING ORDER TELEGRAPHS PHYSICS SIGNALLING SIGNALLING OR CALLING SYSTEMS TESTING
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