V2EX roll bar

Roll Bar

Definition / 定义

(车辆安全)防滚架/防滚杆:安装在汽车(尤其是敞篷车、越野车或赛车)内部或后部的金属支架,用于在车辆翻滚时支撑车身、保护乘员头部与生存空间。(在一些语境中也可泛指“翻滚保护结构”,如防滚架的一部分。)

Pronunciation / 发音

/rol br/

Examples / 例句

A roll bar can help protect you in a rollover.
防滚架可以在车辆翻滚时帮助保护你。

Before the track day, the mechanic installed a roll bar and checked the harness mounts to improve safety.
赛道日之前,技师安装了防滚架,并检查了安全带固定点,以提升安全性。

Etymology / 词源

roll(翻滚)+ bar(金属杆/横杆)构成的复合名词,字面意思是“用于应对翻滚的金属杆”,最早主要用于赛车与改装车的安全结构描述,后来扩展到各类车辆的翻滚保护装置。

Related Words / 相关词

Literary Works / 文学与作品例证

  • Prepare to Win(Carroll Smith)赛车准备与安全改装中常讨论防滚架/防滚结构。
  • Tune to Win(Carroll Smith)涉及赛车底盘与安全相关改装语境。
  • SCCA General Competition Rules (GCR) 赛车规则文件中对 roll bar/roll cage 等安全结构有明确条款。
  • FIA Appendix J (International Sporting Code) 国际赛车技术规则中常出现翻滚保护结构相关术语(含 roll bar 类别用法)。
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