An experimental and simulation study on mechanical properties of new wire rope isolator

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Journal of Vibration and Shock ›› 2021, Vol. 40 ›› Issue (16) : 213-219.

ZHANG Chunhui1,LU Kaitian2,ZHANG Lei1,YAN Ming3,ZHANG Yi2

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Abstract

Wire rope isolators are widely used in the field of ship equipment vibration and shock resistance.Aiming at the shortcomings of the traditional wire rope isolator with poor tensile performance, a new biaxial compressible wire rope isolator was designed.The new wire rope vibration isolator further improves the shock resistance of the vibration isolator on the basis of maintaining the original vibration isolation effect.Vibration and shock test results show that the natural frequency of the new wire rope isolator is about 10.6 Hz, the dynamic stiffness is about 57 606 N/m, and the impact isolation rate is more than 82.5%.Numerical simulation and test results of the multi-body dynamics software ADAMS verify that the new type of wire rope vibration isolator has good impact resistance.The hysteresis model of the new wire rope isolator can be simplified to a bilinear model.This research provides an effective technical means for improving the impact resistance of naval equipment.

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biaxial compression / isolation characteristics / shock isolation

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ZHANG Chunhui,LU Kaitian,ZHANG Lei,YAN Ming,ZHANG Yi. An experimental and simulation study on mechanical properties of new wire rope isolator[J]. Journal of Vibration and Shock, 2021, 40(16): 213-219

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