Abstract
The machines that utilize the synchronization of vibrators, such as pile sinkers, breaking hammers and sonic drilling rigs, play an important role in municipal construction and resource exploration. In this paper, a novel hydraulic coupling system with large specific power, handy control and robust stability for vibrator synchronization is presented. To investigate the feasibility and precision of the synchronization of the vibrators in the system, a mathematical model is established. According to the model, the synchronization characteristics of two vibrators are discussed when the errors of their masses, eccentricities and viscous damping coefficients are considered. Furthermore, simulation analyses are performed to verify the numerical results. The results demonstrate that two vibrators can be synchronized by coupling the components. The precision of synchronization is attractive, although the precision at high speed is inferior to that at low speed. The precision of the synchronization is more dominated by eccentricity than the other two parameters.
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