Transient Vibration Analysis of Impact Ripper

Ge Ning Xu; Meng He; Jian Feng Wu

doi:10.4028/www.scientific.net/AMM.551.150

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 551Transient Vibration Analysis of Impact Ripper

Transient Vibration Analysis of Impact Ripper

Abstract:

In view of the vibration problem of impact ripper working under the excitation force of hydraulic ripper, finite element method is adopted for transition analysis of the structure. The impact ripper operating process is divided into two stages. Analyze the producing process of main vibration source for the structure. Establish the model of impact ripper by the finite element software SolidWorks, and its modal analysis is based on Simulation. The modal analysis gives the former eight natural frequencies and their corresponding vibration modes. Then use modal superposition method for transient analysis, calculate the dynamic response of impact ripper under the excitation force. Results show that the excitation force of hydraulic hummer significantly influences on the displacement response of structure (increasing about 145%). Continuous impact load leads to fatigue failure of structure easily, so the vibration design should be done to reduce the negative influence caused by impact vibration.

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Periodical:

Applied Mechanics and Materials (Volume 551)

Pages:

150-157

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.551.150

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Online since:

May 2014

Authors:

Ge Ning Xu*, Meng He, Jian Feng Wu

Keywords:

Impact Ripper, Modal Analysis, Modal Superposition Method, SolidWorks, Transient Analysis

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* - Corresponding Author

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