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单词 walking-beam
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walking-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.
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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.
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更新时间:2024/9/20 20:21:15