碟形弹簧力学性能研究

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Abstract Disc springs have been widely adopted in the isolation bearings of buildings and bridges. The damping and stiffness properties of the combination of disc springs influence the behavior of the isolation effect significantly. However, there are obvious differences between the numerical simulation methods of the combination of disc springs with various boundary constraints and loading ways. Moreover, there is still lack of quantitive description of the damping characteristic of disc springs. Single, two folding, three folding, three folding then reversed as well as six reversed groups of three folding B series disc springs were selected and conducted both static and dynamic experiments. The influence of pre-compression values, amplitude of dynamic excitations, loading frequencies on equivalent damping and equivalent stiffness was discussed respectively. Based on static experimental results, reasonable coefficient of friction between disc springs was evaluated through the numerical simulation performed in ANSYS considering friction applied by the up and bottom cover plates. The proposed coefficient was adopted in calculating the combination of disc springs subjected to dynamic loadings and compared well with experimental data.

Key words： static loading dynamic loading test damping numerical simulation

Received: 12 September 2014 Published: 25 November 2015

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	Articles by authors
	XING Ji-hui1
	HUANG He2
	ZHANG Jia-yun3
	YANG Qing-shan1

Cite this article:

XING Ji-hui1,HUANG He2,ZHANG Jia-yun3, et al. Research on mechanic properties of disc springs[J]. JOURNAL OF VIBRATION AND SHOCK, 2015, 34(22): 167-172.

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http://jvs.sjtu.edu.cn/EN/ OR http://jvs.sjtu.edu.cn/EN/Y2015/V34/I22/167

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