| 单词 | walking-beam | 
| 释义 | > as lemmaswalking-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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