摘要
卡瓦结构对于潜孔钻机卸扣过程中钻杆的变形有重要影响。采用有限元法对其夹持钻杆变形量进行分析,以减小卡瓦质量和钻杆变形量为目标,对卡瓦几何结构参数进行实验设计与响应面建模,在此基础上采用多目标优化遗传算法并结合实际工艺参数得到最优设计方案。优化后卡瓦结构在同等工况下卡瓦质量下降了27%,夹持钻杆变形量减少了31.9%,为潜孔钻机卸扣钳卡瓦设计提供了理论指导。
The slip structure has an important effect on the deformation of the drill rod during the unloading of the DTH drilling rig. The finite element method was used to analyze the deformation of the clamped drill pipe. With the goal of reducing the deformation of the drill pipe and the mass of the slip, the experimental design and response surface modeling of the geometric parameters of the slip were performed. Based on this, multiobjective. Optimization genetic algorithm were used and combined the actual process parameters to obtain the optimal design scheme. After the optimization of the slip structure, the deformation of the clamping drill rod was reduced by 31.9% and the slip mass was reduced by 27% under the same working conditions, which provided theoretical guidance for the design of the slip of the DTH drilling rig.
作者
朱钱威
张华
房佳恒
屠德钢
Zhu Qianwei;Zhang Hua;Fang Jiaheng;Tu Degang(School of Mechanical Engineering,Nantong University,Nantong 226019,China;Wuxi Amman Engineering Machinery Co.,Ltd.,Wuxi 214000,China)
出处
《煤矿机械》
北大核心
2020年第5期126-128,共3页
Coal Mine Machinery
基金
江苏省研究生科研与实践创新计划项目(KYCX18_2418)
国家自然科学青年基金项目(51205212)
江苏省自然科学青年基金项目(BK2012233)
南通市应用基础研究项目(GY12015019)
江苏省精密与微细制造技术重点实验室开放基金项目,2014年度江苏省青蓝工程。
关键词
卸扣钳卡瓦
有限元分析
响应面法
优化设计
潜孔钻机
shackle slip
finite element analysis
response surface method
optimization design
DTH drilling rig
