V2EX half-shaft

Half-shaft

定义 Definition

半轴;驱动半轴:汽车等车辆传动系统中的部件,用于把差速器(或变速器/驱动桥)的动力传递到车轮,常见于前驱或四驱车辆(也可用于后驱的独立悬架结构)。也常指带等速万向节(CV joint)的半轴总成

发音 Pronunciation

/hfft/

例句 Examples

The mechanic replaced a worn half-shaft.
修理工更换了一根磨损的半轴。

If the half-shaft fails at high speed, you can lose drive to that wheel and damage the CV joint.
如果半轴在高速行驶时失效,你可能会失去该车轮的驱动力,并损坏等速万向节。

词源 Etymology

half- 表示“半、部分”,shaft 原意为“杆、轴”。合起来字面意思是“半段的轴”。在车辆工程语境中,它指从差速器到车轮这一“半段”传动轴(相对于连接变速器与差速器的传动轴/传动杆而言)。

相关词 Related Words

文学作品 Literary Works

该词属于汽车工程与维修领域术语,更多见于维修手册、工程教材与技术报告,在传统文学作品中出现频率较低;相关概念在现代纪实类写作或技术类出版物中更常见(例如汽车维修指南、车辆结构原理读物等)。

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