Dynamical modeling and coupling characteristic analysis of the multistage gears system in a continuous miner
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School of Mechanical Engineering and Automation, Northeastern University, Shenyang
College of Mechanical Automotive Engineering, Zhaoqing University, Zhaoqing
Equipment Reliability Institute, Shenyang University of Chemical Technology, Shenyang
Submission date: 2019-04-09
Acceptance date: 2019-06-21
Online publication date: 2020-01-15
Publication date: 2020-01-15
Journal of Theoretical and Applied Mechanics 2020;58(1):45-58
The lumped parameter method is adopted to establish a dynamic model of two stage planets and multistage fixed-shaft gears in which the effect of coupling shaft section radius on the system in a continuous miner is considered. The acceleration test of the system proves the accuracy of the proposed model. With the increase of cross section size of the coupled shaft, the influence of the first stage meshing frequency on the second stage planetary system is enhanced. The acceleration decreases gradually with the increase of the size of coupled carrier. It is shown that the modeling by considering the coupled size contributes to reduction of the vibration level.
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