V2EX gear train

Gear Train

释义 Definition

齿轮传动系(齿轮组):由两个或多个齿轮按一定顺序啮合组成的系统,用来传递动力与运动,并改变转速、扭矩或旋转方向。(在工程语境中很常见;也可指更广义的“齿轮列”。)

发音 Pronunciation (IPA)

/r tren/

例句 Examples

The watch uses a small gear train.
这块手表使用了一组小型齿轮传动系。

By rearranging the gear train, the designer increased torque while reducing output speed, improving the machine’s ability to lift heavy loads.
通过重新配置齿轮传动系,设计者在降低输出转速的同时提高了扭矩,从而增强了机器举升重物的能力。

词源 Etymology

gear 原义与“装备、器具”相关,来自古英语 gearwe/gear 一类词形,后来在机械发展中专指“齿轮”等装置;train 在此不是“火车”,而是“成串、序列”的意思,源自法语词根,表示一连串相接的东西。因此 gear train 字面即“成列的齿轮”,引申为“齿轮组/齿轮传动系”。

相关词 Related Words

文学与著作 Literary Works

  • Machinery’s Handbook(《机械工程师手册》):在齿轮设计与传动章节中频繁使用 gear train
  • Shigley’s Mechanical Engineering Design(《希格利机械工程设计》):讨论齿轮系统、传动比与效率时常出现该术语。
  • Theory of Machines and Mechanisms(《机器与机构理论》):在机构学/动力传递部分以 gear train 描述齿轮列与运动关系。
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