旋板式磁流变减摆器结构设计

Structure Design of Rotary Plate Magnetorheological Shimmy Damper

为解决传统油液式旋板减摆器存在的结构复杂以及被动调节阻尼力等问题,采用压差与剪切联合作用的工作模式,设计了一款基于磁流变效应原理的旋板式减摆器。首先,依据减摆器的基本要求进行了结构与磁路的设计,再通过建立力矩模型计算该减摆器的阻尼力矩,按照能量等效的原理计算相关参数,并通过黏性当量阻尼系数与厂方提供的数据相比较来衡量性能好坏。最后利用ANSYS Workbench软件对此模型进行三维磁路仿真与运动仿真分析,验证了本设计的合理性,实现智能快速减摆,为以后的结构定型奠定了基础。

In order to solve the common problems that traditional oil shimmy dampers exist in the complex structure and passive adjustment for damping force, this article adopts the work mode combined with shear and differential pressure, and designs a kind of rotary plate shimmy damper basing on magnetorheological effect. First of all, the structure and magnetic circuit should be designed according to the basic requirements of dampers, and then the damping torque is calculated by establishing a torque model, and calculates the relative parameters according to the principle of energy equivalence. Its performance is measured by the viscous equivalent damping coefficient which needs to be compared with the dates provided by the factory. Finally using ANSYS Workbench software for 3D magnetic circuit simulation and motion simulation of this model analysis to validate the rationality of the design,which laid the foundation for the following structure design.