Warning board for civil construction

The warning board for civil construction comprises a main rod, a long groove is formed in the middle position of the top of the main rod, a rotating disc is rotationally connected to the position, close to the top, of the inner wall of the long groove, a screw is fixedly connected to the top of the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	CAI YONG, PAN TINGTING, FANG MIN, KONG XIANYONG, WANG XINGYUAN, GAO YUAN, TU WUBIN
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 FIXED CONSTRUCTIONS
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Beschreibung
Zusammenfassung:	The warning board for civil construction comprises a main rod, a long groove is formed in the middle position of the top of the main rod, a rotating disc is rotationally connected to the position, close to the top, of the inner wall of the long groove, a screw is fixedly connected to the top of the rotating disc and extends to the outer portion of the long groove, a cross column is fixedly connected to the middle position of the bottom side of the rotating disc, and the cross column is fixedly connected to the bottom side of the rotating disc. A threaded disc is fixedly connected to the lower middle position of the inner wall of the main rod, a threaded rod is in threaded connection with the inner wall of the threaded disc, a cross-shaped groove is formed in the top of the threaded rod, and the cross-shaped column is movably inserted into the cross-shaped groove and extends to the position close to the bottom side of the threaded rod; a hollow stud is in threaded connection with the interior of the threaded g