Dynamic characteristics analysis of tubular stand-off-layer sandwiched structure used in driving sprocket Online publication date: Wed, 07-Sep-2022
by Bijuan Yan; Zekun Liu; Wenjun Zhang; Shizhong Liu
International Journal of Heavy Vehicle Systems (IJHVS), Vol. 29, No. 2, 2022
Abstract: In order to reduce the severe vibration of driving sprocket of crawler construction vehicle, a tubular stand-off-layer sandwiched structure (TSSS) is used and its corresponding vibration model is established. The tensile test and MATLAB software are used to fit the material characteristic parameters of the damping layer and stand-off-layer. Under the common working conditions of bulldozers (bulldozing and cutting), the vibration characteristics and transient dynamic response of three different multi-layer damping structure (three-layer, five-layer tubular constrained damping structure, four-layer TSSS) are discussed using ANSYS software. The results show that the damping vibration-reducing characteristics of the four-layer TSSS are better than those of the three-layer and five-layer tubular constrained damping structure (TCDS). This research can lay a good foundation for the dynamic analysis of drive wheel vibration reduction and tubular damping structure and the optimisation of structural parameters in the future.
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