V2EX rated load

Rated Load

定义 Definition

Rated load 指设备、机器或结构在规定条件下允许长期安全承载/输出的额定负载(额定载荷)。常见于起重机、叉车、电机、变压器、桥梁与各类工业设备的铭牌与技术规范中。(在不同领域也可能写作 rated capacity 或与之近义。)

发音 Pronunciation (IPA)

/retd lod/

例句 Examples

The hoist’s rated load is 2 tons.
这台葫芦的额定载荷是2吨。

Although the beam survived the test, repeated loading above the rated load can cause fatigue cracks over time.
尽管这根梁通过了测试,但长期反复超过额定载荷会逐渐引发疲劳裂纹。

词源 Etymology

rated 来自动词 rate(评定、定级),含“被评定为某一等级/数值的”;load 指“负载、载荷”。合起来就是“被规定/评定过的负载上限”,强调标准化、可标称、可对照规范的安全承载值。

相关词 Related Words

文献与作品 Literary / Notable Works

  • ASME B30.5: Mobile and Locomotive Cranes(常用“rated load”定义与额定载荷图表/限制)
  • ISO 4306: Cranes Vocabulary(起重相关术语体系中常涉及额定载荷概念)
  • Machinery’s Handbook(机械工程手册中在起重与传动等章节常出现该术语)
  • *IEC 60034 (Rotating electrical machines)*(电机标准中常以额定条件、额定值与负载相关表述出现)
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