Vibration Analysis of Elevator Rope (Comparison Between Experimental Results and Calculated Results)
Vibration Analysis of Elevator Rope (Comparison Between Experimental Results and Calculated Results)
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DOI：
10.1299/kikaic.74.31
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发表时间：
2008
期刊：
影响因子：
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通讯作者：
H. Kimura;Tomoki Iijima;S. Matsuo;Y. Fujita
中科院分区：
文献类型：
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作者：
H. Kimura;Tomoki Iijima;S. Matsuo;Y. Fujita
高层建筑物中的电梯绳索被地震和风力引起的建筑物位移强制激励。本文通过绳索的自由振动和受迫振动实验，获得了绳索的固有频率和阻尼系数。还介绍了由于吊笼的上下运动而使长度随时间变化的绳索受迫振动的实验。在假设绳索运动速度为常数的基础上，考虑绳索长度的时变，对绳索的振动进行了有限差分分析。有限差分分析的计算结果与实验结果吻合较好。
An elevator rope in a high-rise building is forcibly excited by the displacement of the building caused by earthquakes and wind forces. This paper presents experiments involving free vibration and forced vibration of a rope for obtaining its natural frequency and damping coefficient. Experiments involving forced vibration of a rope whose length varies with time due to the up-and-down movement of a cage are also presented. Finite difference analyses of the rope vibration were performed by considering the time-varying length of the rope, based on the assumption that the movement velocity is constant. The calculated results of the finite difference analyses are in fairly good agreement with the experimental results.