V2EX sheave

Sheave

Definition / 释义

sheave(名词):(滑轮的)滑轮轮片/轮子;通常带有凹槽,用来让绳索、钢缆或皮带在上面运行,常见于滑车组(block and tackle)、起重装置等。
(注:sheaves 也常见作 sheaf 的复数,表示“一捆(麦穗等)”,但与本词“滑轮轮片”的常用义不同。)

Pronunciation / 发音(IPA)

/iv/

Examples / 例句

The rope ran smoothly over the sheave.
绳子在滑轮轮片上运行得很顺畅。

After inspection, the engineer replaced the worn sheave to prevent the cable from fraying under heavy load.
检查后,工程师更换了磨损的滑轮轮片,以防电缆在重载下磨损起毛。

Etymology / 词源

该词与航海、起重等机械装置的术语传统有关,主要用于指滑轮装置中带槽的轮片。历史上它与表示“捆、束”的 sheaf 在拼写与形态上有交叉(如复数 sheaves),但在现代技术语境中 sheave 更常专指滑轮轮片这一机械部件。

Related Words / 相关词

Literary Works / 文学作品中的用例

  • Moby-Dick(Herman Melville):大量航海与索具词汇中会出现与滑车、滑轮相关的部件名词。
  • Two Years Before the Mast(Richard Henry Dana Jr.):以水手生活与船上操作为主,包含多种滑车与索具部件术语。
  • The Sea-Wolf(Jack London):航海场景频繁,涉及绳索、滑车、起吊等装置的描写。
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