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    • 3. 发明申请
    • RETRACTABLE ROAD BARRIER
    • 可收回的道路障碍物
    • US20050175408A1
    • 2005-08-11
    • US10470311
    • 2002-11-19
    • Antonio FugantiSilvano SandriMario BochicchioStefano Re FiorentinMario PalazzettiSalvatore FredianiRoberto Puppini
    • Antonio FugantiSilvano SandriMario BochicchioStefano Re FiorentinMario PalazzettiSalvatore FredianiRoberto Puppini
    • E01F15/12E01F15/00
    • E01F15/12
    • A safety barrier for road use comprises a barrier element (5) which can be displaced between an operative position, above the road surface, and an inoperative position, in which it does not substantially project above the road surface. Preferably provided is a number of sets of aligned barrier elements, rigidly connected to one another, the adjacent sets being connected together by articulated connecting structures (18) which enable one set of barrier elements (5) to be displaced between its inoperative position and its operative position without modifying the positions of the adjacent sets. In this way, one or more stretches of the barrier can be brought into the inoperative condition, leaving the adjacent stretches of barrier in the normal operative condition. The invention is particularly, although not exclusively, suited for the construction of traffic-divider barriers in road tunnels where it is necessary to eliminate the barrier rapidly in the event of an accident occurring.
    • 用于道路使用的安全屏障包括可在路面上方的操作位置和不在路面上基本上突出的不工作位置之间移动的阻挡元件(5)。 优选地,提供了多组对齐的阻挡元件,其彼此刚性地连接,相邻的组通过铰接的连接结构(18)连接在一起,这使得一组屏障元件(5)能够在其不工作位置和 而不改变相邻组的位置。 以这种方式,阻挡层的一个或多个延伸段可以进入不工作状态,使相邻的屏障段在正常的操作状态下。 特别地,本发明特别适用于在道路隧道中建造交通分隔壁垒,其中在事故发生时必须快速消除障碍物。