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变刚器是共振摆式波浪能转换装置实现高效提能的重要机构,特殊的工作规律与环境使变刚器对螺纹传动的动力性能提出了较高的要求.首先介绍了摆式波能装置变刚器的工作原理及其螺纹传动方式,通过螺纹副的运动学模型,分析了影响螺纹传动动力性能的因素,进而运用有限元等方法研究改善螺纹传动性能的途径:通过改善螺纹受力和变形不均,提高承载能力;选用合适的配对材料和润滑方式;选择合理的螺纹升角.最后提出满足经济性能要求的变刚器螺纹传动方案.
The variable stiffness device is an important mechanism to realize the efficient lifting of the resonance pendulum wave energy conversion device, and the special working rules and environment make the variable stiffness device put forward higher requirements on the dynamic performance of the thread transmission.Firstly, the pendulum wave energy device The working principle and the transmission mode of the screw driver are analyzed. The factors that influence the transmission performance of the screw drive are analyzed by using the kinematics model of the screw pair. Then the ways of improving the transmission performance of the screw drive are studied using the finite element method. Uneven deformation, improve the carrying capacity; choose the appropriate matching materials and lubrication methods; choose a reasonable angle of thread. Finally, to meet the economic performance requirements of the variable stiffness thread drive program.