Abstract
In this paper, the structure, the characteristics and the working principle of vibrating cone crusher with dual exciters were introduced. The hysteretic features of material layers were analyzed. The hysteretic force model with bidirectional symmetrical clearances for the material layer was presented. The mechanical model of two-degree of freedom with bilinear hysteresis and the nonlinear vibration equations of the system were proposed. The equivalent damping and stiffness coefficients of the vibrating system were calculated by asymptotic method. The displacement responses of the system were computed by numerical method and asymptotic method. The results showed that the system responses obtained by an approximate analytical solution were basically identical with the numerical simulation results of the original system.
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