V2EX rack-and-pinion

Rack-and-pinion

释义 Definition

齿条小齿轮机构(齿轮齿条传动):一种把旋转运动(小齿轮 pinion 转动)转换为直线运动(齿条 rack 直线移动),或反向转换的机械装置。常见于汽车转向系统、机床、直线执行机构等。

发音 Pronunciation (IPA)

/rk n pnjn/

例句 Examples

The car uses rack-and-pinion steering.
这辆车使用齿条小齿轮式转向系统。

As the motor turns the pinion, the rack-and-pinion mechanism pushes the platform forward with precise, repeatable motion.
当电机带动小齿轮转动时,齿条小齿轮机构会把平台精确且可重复地向前推送。

词源 Etymology

rack 在机械语境中指“齿条”(带直齿的长条),pinion 指“小齿轮”。两者组合成 rack-and-pinion,字面意思就是“齿条与小齿轮”,用来描述这种经典的传动结构。该术语在工程与机械设计领域长期使用,属于功能性命名。

相关词 Related Words

文学与著作中的用例 Literary & Notable Works

  • Machinery’s Handbook(《机械工程师手册》)
  • Shigley’s Mechanical Engineering Design(《希格利机械工程设计》)
  • The Way Things Work by David Macaulay(《万物运转的秘密》)
  • How Stuff Works(科普书与同名科普系列中常见该术语)
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