Well lid protection device

The utility model discloses a well lid protection device which comprises a base, a lifting device, an infrared sensor and a main control unit. The lifting device and the infrared sensor are arranged on one side of the base, the main control unit is located in the base, and the infrared sensor and th...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHOU JINGYAO, WEI WENSI, WU YONGYI, ZHANG ZERUN, LIU HANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTIONOF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, ORTHE LIKE CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES
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