V2EX worm gear

Worm Gear

定义 Definition

蜗轮蜗杆传动;蜗轮蜗杆齿轮(组):一种由蜗杆(像螺杆的齿轮)蜗轮(与其啮合的齿轮)组成的齿轮传动机构,常用于实现大减速比、改变传动方向(通常为90°交错轴),并可在某些设计条件下具有自锁特性(但并非所有蜗轮蜗杆都自锁)。

发音 Pronunciation

/wm r/

例句 Examples

The motor drives the conveyor through a worm gear.
电机通过蜗轮蜗杆带动输送机。

Because a worm gear can provide a high reduction ratio in a compact space, it’s often used in lifts, tuning mechanisms, and industrial drives.
由于蜗轮蜗杆能在紧凑空间内提供很高的减速比,它常用于升降设备、调谐机构以及工业传动系统。

词源 Etymology

worm 原意为“蠕虫”,在机械语境中借指“形状像蠕虫/螺旋体的零件”,因此 worm 在这里指蜗杆(外形像螺旋螺纹)。gear 来自表示“器具/装备”的词源,后发展为“齿轮、传动装置”。合起来 worm gear 即“蜗杆蜗轮的齿轮传动”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Machinery’s Handbook(《机械工程手册》)中在齿轮与传动章节系统介绍蜗轮蜗杆(worm gearing / worm gear)。
  • Shigley’s Mechanical Engineering Design(《希格利机械工程设计》)在齿轮设计部分讨论蜗轮蜗杆的效率、受力与材料选择。
  • Marks’ Standard Handbook for Mechanical Engineers(《马克斯机械工程师标准手册》)包含蜗轮蜗杆传动的选型与工程应用说明。
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