V2EX worm-gear

Worm-Gear

Definition 释义

蜗轮蜗杆传动(装置):一种由蜗杆(worm)蜗轮(gear/worm wheel)啮合组成的齿轮机构,常用于把高速旋转变为低速大扭矩输出,并可实现较大的减速比;在某些设计下还具有一定的自锁特性(负载不易反向带动输入轴)。

Pronunciation 发音(IPA)

/wm r/

Examples 例句

The hoist uses a worm-gear to lift heavy loads safely.
这台起重装置使用蜗轮蜗杆传动来安全地提升重物。

Because of its high reduction ratio, the worm-gear lets the motor run fast while the output shaft turns slowly with more torque.
由于减速比很高,蜗轮蜗杆传动能让电机高速运转,同时让输出轴低速旋转并获得更大的扭矩。

Etymology 词源

worm 原意为“蠕虫”,这里指外形像螺旋虫体的蜗杆(螺旋状的轴);gear 指“齿轮/传动装置”。合起来 worm-gear 就是“由蜗杆带动齿轮的传动机构”,中文常译为“蜗轮蜗杆(传动)”。

Related Words 相关词汇

Literary Works 文献与作品中的用例

  • Machinery’s Handbook(《机械手册》):齿轮与蜗轮蜗杆传动章节常使用 worm-gear
  • Shigley’s Mechanical Engineering Design(《希格利机械工程设计》):讨论蜗杆传动的效率、磨损与设计计算时出现 worm-gear
  • Marks’ Standard Handbook for Mechanical Engineers(《马克斯机械工程师标准手册》):在动力传动与齿轮机构部分使用 worm-gear
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