Table of Contents Author Guidelines Submit a Manuscript
Shock and Vibration
Volume 2016, Article ID 6493859, 15 pages
http://dx.doi.org/10.1155/2016/6493859
Research Article

Vibration and Deflection Behavior of a Coal Auger Working Mechanism

1School of Mechatronic Engineering, China University of Mining and Technology, Xuzhou, Jiangsu 221116, China
2Jiangsu Key Laboratory of Mine Mechanical and Electrical Equipment, China University of Mining and Technology, Xuzhou, Jiangsu 221116, China

Received 17 July 2015; Accepted 23 November 2015

Academic Editor: Mickaël Lallart

Copyright © 2016 Songyong Liu et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Because coal auger working mechanism faces problems such as excessive vibration, serious deflection, and low drilling efficiency, a new five-bit coal auger working mechanism test model was established to explore the influence factor on vibration and deflection under different conditions. Additionally, a simulation model was built to further research the effect of partial load and stabilizer arrangement, the correctness of which was proved by experiments. The results show that the vibration and deflection increase with drilling depth in the direction, and they first increase and then gradually become stable in the direction. In addition, the vibration, deflection, and deflection force increase with the partial load. By arranging the stabilizer every five drill-rod section intervals, the vibration and deflection can be decreased by 30% and 40% in the direction and by 14.3% and 65.7% in direction, respectively.