Foundation pit safety protection device based on municipal road engineering

The utility model discloses a foundation pit safety protection device based on municipal road engineering, which comprises a base, the upper surface of the base is movably connected with an adjusting screw rod, the surface of the adjusting screw rod is movably connected with a screw sleeve, one end...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LI GENCHUN, WANG LE, ZHANG YONG, ZHENG AQIANG, LEI JIE
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BUILDING BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES CEILINGS FENCING FIXED CONSTRUCTIONS FLOORS GENERAL BUILDING CONSTRUCTIONS INSULATION OR OTHER PROTECTION OF BUILDINGS MASTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ROOFS SEPARATION SWIMMING OR SPLASH BATHS OR POOLS TENTS OR CANOPIES, IN GENERAL TRANSPORTING WALLS, e.g. PARTITIONS
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Beschreibung
Zusammenfassung:	The utility model discloses a foundation pit safety protection device based on municipal road engineering, which comprises a base, the upper surface of the base is movably connected with an adjusting screw rod, the surface of the adjusting screw rod is movably connected with a screw sleeve, one end of the screw sleeve is fixedly connected with a ground keel, the upper surface of the ground keel is provided with a groove, and the upper surface of the ground keel is fixedly connected with the screw sleeve. A groove is formed in the upper surface of the sound absorption sponge, a plug is movably connected to the interior of the groove, a vertical keel is fixedly connected to the upper surface of the plug, an insertion groove is formed in one side of the vertical keel, a protection plate is movably connected to the interior of the insertion groove, and a limiting hole is formed in one end of the vertical keel. When noise passes through the sound insulation board, a part of energy of the noise is absorbed by the p