Research Manufacture And Simulation Analysis Of Self-lubricating Bearing Support Link Rod Coupling

With the continuous development of wind power generation industry,large-scale wind power generating units continue to increase the amount of power,which wind turbine research and technology as well as complete sets of experimental wind turbine testing requirements continue to increase.At present,the wind power research institutes in various countries are studying the experimental platform of multi-degree of freedom load loaded wind generator.It is very important to compensate for the displacement deviation caused by the loading of multi-degree of freedom load loaders to ensure that the transmission system of the experimental platform works smoothly.Therefore,it is of great significance to design a flexible coupling that can compensate for three-dimensional displacement.Aiming at the loading condition of the six degree of freedom load loaded wind turbine generator platform,the structure design and simulation analysis of self-lubricating bearing supporting link rod coupling are carried out in this paper.Based on the analysis of loading condition of six degree of freedom load loaded wind turbine generator platform,the structural model of self-lubricating bearing supporting link rod coupling is determined.Aiming at the displacement compensation movement of the coupling link,a mathematical model of the compensation motion of the connecting rod is established.And the arrangement of the connecting rod of the coupling rod is determined.According to the coupling structure model and the actual working condition,the analysis model of the coupling is established,which provides the theoretical basis for the mechanical analysis of the coupling connecting rod structure.Based on the coupling structure model and analysis model,the mechanical analysis of the self-lubricating bearing supporting connecting rod structure is carried out.The mechanical model of the connecting rod structure under three different working conditions is established.And the force form of the connecting rod structure is obtained.The stress calculation formula of connecting rod when the torque is transferred is obtained by the finite element method.The carrying capacity of the self-lubricating bearing under the radial load is analyzed,which provides a theoretical basis for the design of the coupling.Based on the mechanical analysis of connecting rod structure,with the help of finite element analysis software Ansys Workbench,the static structural analysis is carried out for the self-lubricating bearing supporting connecting rod structure and the self-lubrication bearing under the inclined load condition.The position of the stress concentration and mechanical properties in each part when the connecting rod structure is transferred to the torque is studied.It is proved that the coupling design meets the requirements of strength and provides a theoretical basis for the optimization design of the coupling structure.In order to study whether the connecting rod coupling of this new flexible structure can satisfy displacement deviation compensation requirements,analogue simulation method and numerical method are used to simulate the displacement compensation distance of the coupling.The rationality of the structural design of the coupling and the requirements of the design are verified.