摘要
以单颗粒运动算法的理论为基础,分析松软煤层螺旋钻进过程中的受力情况,从而推导出影响螺旋钻杆转速的因素。进一步通过对垂直钻进时螺旋钻杆的煤粒质量输送率的计算分析,得到影响输送率的结构参数,主要是直径比系数ε,螺旋升角α,煤粒与水平方向夹角ψ,填充率。用Matlab软件进行整体结构优化,得到改进后的钻杆结构参数,通过比较使输煤率提高了9.4%,给螺旋钻杆的参数化设计奠定了基础,为提高螺旋钻杆的输煤率提供了一种有效的方法。
Based on single particle motion algorithm theory, Analysis of the stress distribution in the process of soft coal auger boring, to derive the influence factors of the spiral rotation speed of the drill pipe. Further through the spiral drill pipe at the time of the vertical drilling, coal quality analysis for the calculation of transmission rate, obtain the structural parameters that influence the transmission rate is coefficient ε, helix angle α, the angle between the horizontal coal particles ψ, filling factor dpo Optimization with MATLAB software for the structural parameters to he changed drill coal rate increased by 9.4% , Laid the foundation for the parametric design of spiral drill pipe, in order to improve the spiral drill pipe conveying rate provides a effective method.
出处
《机械强度》
CAS
CSCD
北大核心
2014年第5期706-709,共4页
Journal of Mechanical Strength
基金
"十二五"国家科技支撑计划(2012BAK04B07-4-2)~~
关键词
单颗粒运动算法
螺旋钻进
输送率
MATLAB
优化设计
Algorithm for single particle motion
Auger drilling
Transport rate
Matlab
Optimization design
