Road construction protection device

The invention discloses a road construction protection device, and relates to the field of construction guardrails, the road construction protection device comprises a plurality of protection cones and a plurality of connecting rods, the upper ends of the protection cones are fixedly connected with...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LOU GUODONG, SONG ZHIHAO, ZHOU QINGFEI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTIONOF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, ORTHE LIKE BUILDING BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES FENCING FIXED CONSTRUCTIONS MASTS SWIMMING OR SPLASH BATHS OR POOLS TENTS OR CANOPIES, IN GENERAL
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Beschreibung
Zusammenfassung:	The invention discloses a road construction protection device, and relates to the field of construction guardrails, the road construction protection device comprises a plurality of protection cones and a plurality of connecting rods, the upper ends of the protection cones are fixedly connected with connecting columns, the two ends of each connecting rod are provided with connecting rings, the connecting columns are sleeved with the connecting rings, the connecting columns are provided with through holes, and sliding columns are slidably connected along the through holes; the connecting column is provided with a first elastic part used for driving the sliding column to get close to the protection cone, a limiting block is fixed to the sliding column, the connecting column is provided with an opening matched with the limiting block, the connecting column is further hinged to two straight plates matched with the opening, the straight plates are located on the side, close to the protection cone, of the limiting b