Vertical Coupling Vibration Of Rail Vehicle Of Mine

The coal mine conveying accidents caused by tramcar vibration bring great economic loss to the country and the people every year. So it is necessary to study the coupled vibration characteristics between tramcar and track, and seek effective vibration control methods. The tramcar is simplified to four degrees of freedom spring-mass-damper system. And the track is regarded as the Bernoulli-Euler Beam which is located on the continuous and elastic ballast covering. The tramcar and the track are coupled by the force existed between the wheel and track. Based on this mechanical model, the mathematical model and the simulation model are established respectively. Simulink the component of MATLAB is used as a simulation tool to simulate the vibration course of the tramcar and the track dynamically. Based on the analysis, the elements that affect the vibration of tramcar body are obtained, so these analysis can be used to control the vibration of tramcar. According to the practical production safety requirements, a new metal network vibration reduction device is designed. It is known from simulation that the force between the tramcar and the track is controlled because of the using of this new vibration reduction device, and the wheels and railway can be protected.