释义 |
偏心轮piānxīnlún一种轴孔偏向一边的轮形零件。装在轴上,轴旋转时,轮的外缘推动另一机件,产生往复运动。多用来带动机械的开关、活门等。{eccentric wheel; eccentric; wheel-shaped mechanical device consisting of a disk through which a shaft is keyed eccentrically, and a circular strap which works freely around the rim of the disk to communicate its motion to one end of a rod whose other end is constrained to move in a straight line so as to produce reciprocating motion; usu. used to drive the switch and valve of a machine} |