Research on the Load on Cutter Head of Hard Rock Tunnel Boring Machine

被引：5
|
作者：
Zhao, Xiao-xu [1 ]
Gong, Ya-dong [1 ]
机构：
[1] Northeastern Univ, Sch Mech Engn & Automat, Shenyang 110004, Liaoning, Peoples R China
来源：
PROCEEDINGS OF 2014 INTERNATIONAL CONFERENCE ON MECHANICS AND MECHANICAL ENGINEERING | 2014年 / 684卷
关键词：
Disc Cutter; Smoothed Particle Hydrodynamics (SPH); Numerical Simulation; Cutter head;
D O I：
10.4028/www.scientific.net/AMM.684.303
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Study on the load exerted on cutter head is very useful for the design and performance prediction of hard rock tunnel boring machines. A composite model based on smoothed particle hydrodynamics and finite element method was carried out using AUTODYN software to study the rock fragmentation mechanism of constant cross-section disk cutters in cutter head. The normal force, rolling force and side force on the disk cutters with different cutter radius were researched in the numerical simulation study. The results were verified by historical literature data. To obtain the distribution of the forces with different cutter radius, the loading of cutter head of Phi.5.75 hard rock tunnel boring machine were analyzed. The result shows that it is useful for cutter head's design and its layout optimization.
引用
收藏
页码：303 / 307
页数：5
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