FDZ型防振锤理论计算模型及试验研究

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摘要根据FDZ型防振锤锤头的振动特点，在FR型防振锤理论计算模型的基础上，考虑锤头6个方向的自由度，建立了FDZ型防振锤的理论计算模型，该模型适用于各类Stockbridge型防振锤。并结合FDZ型防振激振试验，将理论模型得到的功率特性曲线和试验得到的功率特性曲线进行对比，发现功率峰值、峰值频率、图形的走势和波峰和波谷出现的位置均吻合较好，验证了模型的正确性。该模型可以用于输电线路微风振动响应计算中，为输电线路防振设计提供理论依据。

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	李黎
	张族炎
	徐宁波
	易勇志

关键词 ： FDZ型防振锤, 理论计算模型, 激振试验, 功率特性曲线, 峰值频率

Abstract：

According to vibration characteristics of FDZ-type dampers’hammer,based on the theoretical calculation model of FR-type dampers,considering 6-DOF of the hammer in six directions,the theoretical calculation model of FDZ-type dampers was established. This theoretical model was suitable for all kinds of Stockbridge-type dampers. Through FDZ-type dampers’vibration-exciting tests,the power characteristic curve obtained using the theoretical model was compared with that acquired in the vibration tests. It was found that power peak,peak frequency,trend of curve and position of peaks and troughs of both curves agree well with each other,and the correctness of the theoretical model is verified; the model can be used to calculate breeze-induced vibration responses of transmission lines,and it provides a theoretical basis for anti-vibration design of transmission lines.

Key words： FDZ-type damper theoretical calculation model vibration test power characteristic curve peak frequency

收稿日期: 2017-03-23 出版日期: 2018-08-28

引用本文:

李黎，张族炎，徐宁波，易勇志. FDZ型防振锤理论计算模型及试验研究[J]. 振动与冲击, 2018, 37(17): 196-203.
LI Li,ZHANG Zuyan,XU Ningbo,YI Yongzhi. Theoretical calculation model and tests for FDZ-type dampers. JOURNAL OF VIBRATION AND SHOCK, 2018, 37(17): 196-203.

链接本文:

http://jvs.sjtu.edu.cn/CN/ 或 http://jvs.sjtu.edu.cn/CN/Y2018/V37/I17/196

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