| 摘要 |
PURPOSE: A barricade is provided to make an unauthorized vehicle roller over or completely block the unauthorized vehicle from entering for illegal purpose. CONSTITUTION: A barricade comprises first and second concrete structures(100,200), first and second posts(300,400), a tension control unit(500), first and second cable fixtures(600,700), and a cable(800). The first and second concrete structures are formed at an interval from each other in the ground(10). The lower parts of the first and second posts are inserted into the ground through the first and second concrete structures and the upper parts of the posts are protruded from the ground. The tension control unit is rotatably installed on the first post. The first and second cable fixtures are respectively installed on the tension control unit and the second post. |
