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本文分析了内燃机曲柄连杆机构往复运动件的高谐次运动对轴系惯量变化和固有频率的影响,并对一多缸机轴系进行了扭振计算.指出,在研究变惯量系统时,只考虑往复运动件的简谐运动会带来较大误差.本文还对变惯量系统的共振现象进行了探讨.
In this paper, the influence of high harmonic motion of reciprocating members of internal combustion engine crank mechanism on inertia and inherent frequency of shaft system is analyzed, and the torsional vibration of a multi-cylinder crankshaft system is analyzed. It is pointed out that in the research of variable inertia system, Considering only the simple harmonic motion of the reciprocating member will bring greater error.This paper also discusses the resonance phenomenon of the variable inertia system.