Warning device for road construction

• Main Authors: SHAO ZHIXIN, YU XIANHUA
• Format: Patent
• Language: Chinese; English
• Published: 25.01.2022
• Subjects: 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

According to the technical scheme, the warning device for road construction is characterized by comprising a supporting column; the warning board is mounted at the top of the supporting column and plays a role in warning; the fixing mechanism is installed at the bottom of the supporting column and used for fixing the supporting column to the ground. The fixing mechanism comprises a support which is fixed at the bottom of the supporting column; the fixing plates are arranged at the manufacturing bottom at intervals; the sealing assembly is connected with the support and the fixing plate and is matched with the support and the fixing plate to form a sealed airflow cavity between the support and the fixing plate; the air cylinder is installed on the fixing plate, the output end of the air cylinder is connected with the support and used for controlling the support to move up and down, and the air cylinder is located in the airflow cavity; an airflow hole is formed in the lower end of the fixing plate and communic