| 摘要 |
PURPOSE: A bollard for preventing the entry of a vehicle is provided to facilitate maintenance work by enabling the individual replacement of components. CONSTITUTION: A bollard for preventing the entry of a vehicle comprises a buried pipe(11), a nut, a spring(13), a spring support(14), a long bolt(15), a reinforcement unit(16), a post(17), and a fixing screw. The buried pipe is buried in the ground. The nut is fixed to the top surface of the buried pipe. The spring is installed on the top of the buried pipe and reduces shock in a collision. The spring support covers the top of the spring. The long bolt is fastened to the nut at the top of the spring support and fixes the spring support and the spring. The inner surface of the reinforcement unit adheres to the outer surface of the spring support. The post surrounds the reinforcement unit. The fixing screw penetrates through the post and the reinforcement unit and fixes the post to the reinforcement unit.
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