Anti-collision pier for highway construction

• Main Authors: HAO GUOPENG, DONG YU
• Format: Patent
• Language: Chinese; English
• Published: 01.12.2020
• 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

The crash bearer for highway construction comprises a sandbox and a filling opening formed in the top of the sandbox, a concave part is formed in the bottom of the sandbox, a connecting plate is arranged in the concave part, a bottom plate is arranged on the lower side of the connecting plate, roller seats are arranged on the four sides of the lower surface of the bottom plate, and connecting rodsare arranged on the two sides of the upper surface of the bottom plate. Reverse rotating rod, the threaded sleeve rotates upwards on the screw rod; the sand box moves downwards under the action of self gravity; the left and right sides of the lower surface of the sandbox are stably contacted with the ground; afterwards forward-rotating rotating rod, the lower end of the threaded sleeve tightly presses the upper surface of the fixed plate; the gravity of the sandbox and the internal fine sand is not only supported on the lower sides of the rollers of the roller seats, but also supported on theleft side and the right s