Abstract
The paper studies the problem of modeling vibrations of a torsion hydro-friction damper of a locomotive with the support of hydrodynamic friction based on the application for a Patent of the Republic of Uzbekistan. The objectives of the authors’ invention are: to improve the reliability and damping capacity of the damper as a whole, with the provision of horizontal and vertical damping of vibrations and shock loads, which is important to increase the speeds of the rail transport; to increase the dynamic factor of the system while regulating the damping capacity by creating an additional friction torque to reduce dynamic load on the cantilever section of the shaft fixed to the bogie frame of the vehicle. It is possible to predict various hydromechanical systems using a similar analytical-numerical method, i.e. to analyze the dynamic functioning of hydraulic and hydro-friction torsiontype vibration dampers for electric rolling stock. Dynamic bench tests were carried out at a depot in Uzbekistan. A torsion type of hydrofriction vibration damper was used for testing an upgraded (new) construction.
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