| 单词 | working-beam |
| 释义 | > as lemmasworking-beam 11. In the steam-engine, etc.: A heavy iron lever, having a reciprocating motion on a central axis, one end of which is connected with the piston-rod from which it receives motion, and the other with the crank or wheel-shaft, to which it communicates motion; also called working-beam and walking-beam. ΘΚΠ society > occupation and work > equipment > machine > machines which impart power > engine > steam engine > [noun] > parts of > levers working beam1744 beam1759 lever1759 side lever1804 lever-beam1824 walking beam1824 sway-beam1839 grasshopper-beam?1865 1759 K. Fitz-Gerald in Philos. Trans. 1758 (Royal Soc.) 50 727 [In] the fire-engine..it was necessary to contrive some way to make the beam, tho' moving alternately, to turn a wheel constantly round one way. 1851 T. Carlyle Life J. Sterling ii. ix. 257 I saw half the beam of a great steam-engine..cast in about five minutes. 1884 Harper's Mag. July 270/1 The walking-beam which drives the side-wheels. < as lemmas |
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