STUDY ON SINGLE-DEGREE-OF-FREEDOM DYNAMICMODEL OF COAL PLOUGH AND SIMULATION

Journal of Vibration and Shock ›› 2009, Vol. 28 ›› Issue (2) : 191-195.

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KANG Xiaomin LI Guixuan

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Abstract

According to work conditions of coal plough, considering stochastic cutting resistance by coal, single-degree-of-freedom nonlinear stochastic dynamic model of coal plough is presented , at the same time considering chain pretension and polygon effect. With certain parameters MATLAB/Simulink is used to get numerical solution and simulation. Each factor effect on the change of plough body velocity and chain tension is found. It indicates that cutting resistance and chain pretension have significant effects on plough body velocity and chain tension, and polygon effect of sprocket is smaller。It provides references for coal plough working and the reliability of chain.

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coal plough / dynamic model / pretension / polygon effect / numerical simulation

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KANG Xiaomin LI Guixuan. STUDY ON SINGLE-DEGREE-OF-FREEDOM DYNAMICMODEL OF COAL PLOUGH AND SIMULATION[J]. Journal of Vibration and Shock, 2009, 28(2): 191-195