National Key R & D Project ( 2019YFE0112500 ), National Natural Science ( 52078150, 51878196 ), Basic Innovation Project of Guangzhou University ( 2021GDJCM44 )
在圆环摩擦弹簧（Ring Friction Spring，简称RFS）的基础上，提出了一种新型三层圆环摩擦弹簧（Three-layer Ring Friction Spring，简称TRFS）。首先，介绍其基本构造形式，分析其工作机理，推导其滞回行为的理论公式。其次，采用ABAQUS软件建立多组弹簧精细化有限元分析模型，并与理论计算结果进行对比，验证模型的准确性。进而分析不同参数对弹簧的滞回行为和截面应力分布状态的影响。结果表明，TRFS的滞回行为表现为“三角形”滞回模型，其加卸载阶段刚度和耗能能力受内外环倾角和摩擦系数的影响较大，而截面应力分布状态则主要受到内外环倾角的影响，且与相同规格的RFS相比，在产生相同轴向往复位移前提下，TRFS具备更大的承载能力、自复位能力及绝对耗能，内部空间的利用率更高。
This paper proposed a novel three-layer ring friction spring (TRFS) based on the RFS. Firstly, the basic structural form and working principle are introduced and working theoretical formula of hysteresis behavior are deduced. In addition, the elaborated finite element (FE) model of the MNRFS was established by ABAQUS software, and the accuracy of the model is verified by comparing with the analytical method, to further study the stress distribution of the rings and conduct parameter research. The hysteresis behavior and cross-section stress distribution of all model are mainly discussed. The results show that the hysteresis behavior of TRFS is a triangle hysteresis model, and its stiffiness and energy dissipation capacity are greatly affected by the inclination angle of the inner and outer rings and the friction coefficient of the contact surface, while the stress distribution of the section is mainly affected by the inclination angle of the inner and outer rings. Compared to RFS with the same specifications, TRFS has greater bearing capacity, self-centering capacity and absolute energy sonsumption when producing the same axial reciprocating displacement, and the utilization rate of internal space is higher.
陈浩宇,赵桂峰,马玉宏,等. 三层圆环摩擦弹簧的静力性能分析[J]. 科学技术与工程, 2023, 23(2): 707-715.
Chen Haoyu, Zhao Guifeng, Ma Yuhong, et al. Static Performance Analysis of Three-layer Ring Friction Spring[J]. Science Technology and Engineering,2023,23(2):707-715.