V2EX gudgeon pin

Gudgeon Pin

定义 Definition

gudgeon pin:机械中的一种枢轴销/铰接销;最常见指发动机活塞与连杆之间的活塞销(wrist pin / piston pin),用于让部件在连接处平稳转动、承受剪切与摆动载荷。(在某些场景也可指船舵、铰链等处的枢轴销。)

发音 Pronunciation

/dn pn/

例句 Examples

The mechanic replaced the gudgeon pin.
机械师更换了活塞销(gudgeon pin)。

Excessive wear on the gudgeon pin can cause piston slap and reduce engine efficiency over time.
活塞销过度磨损会引发“活塞敲缸”并随着时间推移降低发动机效率。

词源 Etymology

gudgeon 在工程语境中可指“枢轴/轴承座/铰接部位”,与“支点处的销或套”的概念相关;它还有一个更常见的普通含义是“鱼(一种小鱼)”。pin 来自古英语 pinn,意为“针、钉、销”。合起来 gudgeon pin 就是“用于枢轴/铰接处的销”,在现代发动机里常特指“活塞销”。

相关词 Related Words

文学与作品 Literary Works

  • The Internal Combustion Engine in Theory and Practice(Charles Fayette Taylor):讨论活塞连杆机构时常涉及活塞销结构与载荷。
  • Automotive Mechanics(William H. Crouse 等):汽车维修教材中用于讲解发动机拆装与故障诊断。
  • Popular Mechanics / The Boy Mechanic(大众机械类读物与合辑):在面向大众的机械制作与修理文章中可见该术语(多为技术语境而非小说文本)。
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