Method for reducing transient impact load of switch operating mechanism insulating pull rod

The invention discloses a method for reducing a transient impact load of a switch operating mechanism insulating pull rod and belongs to the field of high-voltage switch and digital simulation study. The method comprises a first step of establishing a transient dynamics finite element model according to a geometric model of a switch, implementing dynamic calculation of the high-voltage switch separating brake process, and extracting a transient impact load peak of the insulating pull rod; a second step of parameterizing a contact surface shape; a third step of performing design of experiment (DOE) calculation and sensitivity analysis; and a fourth step of utilizing an optimization algorithm to search an optimal reference point and producing an optimal spline. According to the method, impact stress generated on the insulating pull rod during switch motion can be effectively reduced, and switch reliability is improved. 本发明公开了种降低开关操动机构绝缘拉杆瞬态冲击载荷的方法，属于高压开关与数字仿真研究领域。该方法包括以下步骤：1、根据开关几何模型，建立瞬态动力学有限元模型，完成高压开关分闸过程的动力学