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The research and analysis of the gear shafts bending-torsional coupled vibration test

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3 Author(s)
Xiang Changle ; Sch. of Mech. & Vehicular Eng., Beijing Inst. of Technol., Beijing, China ; Sun Tiantian ; Liu Hui

In order to test the bending-torsional coupled vibration characteristics of the armed vehicle multi-shafts gear transmission system, it uses the torsional vibration exciter to apply imbalance moment on the gear transmission systems and uses acceleration sensor to measure the tangential acceleration of the each shafts, and then obtains torsional vibration signal and bending vibration signal of each measuring point by the synthesis calculation of the four points response signal. The modal parameters of gear transmission systems including nature frequency, modal shape, and modal damping ratio and so on are obtained by making modal parameters identifying separately on the torsional vibration signal and bending vibration signal. It researches the interaction between the bending vibration and torsional vibration through the analysis on the nature frequency and modal shape of the gear systems. It explores a new method of bending-torsional coupled vibration for multi-shafts gear transmission systems.

Published in:

Electronic Measurement & Instruments, 2009. ICEMI '09. 9th International Conference on

Date of Conference:

16-19 Aug. 2009