斜圈弹簧力学性能的有限元分析

斜圈弹簧在医疗器械、高压开关、汽车工业等领域应用广泛. 但其结构特殊, 受力复杂, 目前尚无有效的理论计算方法得出其载荷位移曲线, 只能通过数值仿真的方法研究其力学性能. 利用有限元软件ANSYS参数化建立环形斜圈弹簧有限元模型, 通过对模型的分析求解, 得出了其主要参数线径、节距、倾斜角与斜圈弹簧力学性能之间的关系. 研究了斜圈弹簧工作状态下的受力变形情况, 计算分析结果为斜圈弹簧的优化设计和合理应用提供了理论依据.

ANALYSIS OF MECHANICAL PERFORMANCE OF CANTED COIL SPRING BY ANSYS

The canted coil spring is widely used in the medical equipment, the high-voltage switch, the auto industry and other fields. Because of its special structure and complex stress state, there is no effective theoret-ical calculation method to obtain the load-displacement curves except for experimental and numerical methods. In this paper a finite element model of the canted coil spring is established on the ANSYS software platform to obtain its load-displacement curves. The relationships of the wire diameter, the pitch, the magnitude of inclina-tion of the canted coil spring with its load-displacement curve and the stiffness under a fixed load displacement condition are analyzed. The deformations of the canted coil spring under the working condition are studied. The calculation results provide a theoretical basis for the optimization design and the application of the canted coil spring.