雙質(zhì)體振動(dòng)篩自同步理論研究
[Abstract]:By using the improved small parameter average method, the dimensionless coupling equation of the two eccentric rotors of the double body self-synchronous vibrating screen is obtained, and the conditions for the synchronization of the vibrating screen system and the conditions for achieving synchronous stability are obtained. Through numerical analysis, the influence of system dynamic parameters on the coupling dynamic characteristics of vibrating screen system is discussed. The results show that with the increase of eccentric rotor mass, the synchronization ability coefficient decreases at first and then increases, and the synchronization capacity coefficient and force transfer coefficient increase with the increase of the distance from eccentric rotor centroids to system centroids. The larger the vibration frequency ratio is, the smaller the synchronization capacity coefficient and force transfer coefficient are. The correctness of the coupling dynamic analysis results of vibrating screen system is verified by computer numerical simulation and experimental study of double rigid body two-machine driven vibration synchronization test bench.
【作者單位】: 承德石油高等專科學(xué)校機(jī)械工程系;東北大學(xué)機(jī)械工程與自動(dòng)化學(xué)院;
【基金】:國家自然科學(xué)基金資助項(xiàng)目(51375081)
【分類號】:TH237.6
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