V2EX roll-bar

Roll-Bar

释义 Definition

roll-bar(防滚架/防翻滚杆):安装在汽车(尤其是敞篷车、赛车或越野车)上的金属支架/框架,用于在车辆翻覆时保护乘员空间、提高车身刚性与安全性。(也可指更完整的 roll cage 防滚笼;在少数语境中该词还可有其他专门含义。)

发音 Pronunciation (IPA)

/rol br/

例句 Examples

The race car has a roll-bar for safety.
这辆赛车装有防滚架以确保安全。

After the convertible was modified, the mechanic welded in a reinforced roll-bar to protect the passengers in a rollover and meet track regulations.
这辆敞篷车改装后,技师焊接了加固的防滚架,用于在翻车时保护乘员并满足赛道规定。

词源 Etymology

roll 表示“翻滚、侧翻”,bar 表示“杆、条状金属件”。合起来指“用于防止/承受翻滚(侧翻)时伤害的金属杆件”。该词随汽车运动与安全改装的发展而普及。

相关词 Related Words

文学与作品 Literary Works

该词更常见于赛车与汽车安全改装类非虚构作品/技术书籍中,例如:

  • Carroll Smith’s Prepare to Win(赛车准备与安全改装相关内容常涉及 roll-bar/roll cage)
  • Carroll Smith’s Tune to Win(赛车结构与安全配置讨论中常出现相关术语)
  • Race Car Vehicle Dynamics(Miliken & Miliken,车辆动力学与赛车结构语境中常见)
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