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基于ABAQUS的气动潜孔锤球齿碎岩及布齿优化

杨秋明, 周兢, 王瑜, 夏柏如, 吴浩. 2024. 基于ABAQUS的气动潜孔锤球齿碎岩及布齿优化. 钻探工程, 51(1): 40-50. doi: 10.12143/j.ztgc.2024.01.006
引用本文: 杨秋明, 周兢, 王瑜, 夏柏如, 吴浩. 2024. 基于ABAQUS的气动潜孔锤球齿碎岩及布齿优化. 钻探工程, 51(1): 40-50. doi: 10.12143/j.ztgc.2024.01.006
YANG Qiuming, ZHOU Jing, WANG Yu, XIA Bairu and WU Hao, . 2024. Pneumatic DTH hammer tooth crushing and optimization of teeth arrangement based on ABAQUS. DRILLING ENGINEERING, 51(1): 40-50. doi: 10.12143/j.ztgc.2024.01.006
Citation: YANG Qiuming, ZHOU Jing, WANG Yu, XIA Bairu and WU Hao, . 2024. Pneumatic DTH hammer tooth crushing and optimization of teeth arrangement based on ABAQUS. DRILLING ENGINEERING, 51(1): 40-50. doi: 10.12143/j.ztgc.2024.01.006

基于ABAQUS的气动潜孔锤球齿碎岩及布齿优化

  • 基金项目:

    贵州省科技计划项目“矿山灾害事故生命救援孔高效气动钻具及快速成孔工艺与装备研究”(编号:【2023】一般422);中国煤炭地质总局科技创新项目(编号:ZMKJ-2021-ZX05)

详细信息
    作者简介: 杨秋明,男,汉族,1999年生,硕士研究生在读,地质工程专业,主要从事钻探钻具方面的研究,北京市海淀区学院路29号,824580958@qq.com。

Pneumatic DTH hammer tooth crushing and optimization of teeth arrangement based on ABAQUS

  • 为提高坚硬地层大直径潜孔锤的破岩效率与使用寿命,运用ABAQUS软件建立了球齿碎岩仿真模型,对比分析?18 mm球齿在不同钻进参数下冲击切削碎岩过程中的破碎比功、侵入深度、破碎范围与应力影响范围等曲线,优选钻进参数和布齿。分析结果表明:当钻压为1.2 kN、冲击功为30 J时,对岩石的破碎效率较高,球齿入岩的位移可达0.67 mm,并对岩石进行应力界限划分,得出应力影响范围为43.4 mm;通过双齿冲击切削模拟确定了较为优秀的圈距与间距:圈距取47.4 mm,间距取43.4~51.4 mm;考虑到球齿的磨损,利用圈距与间距对?711 mm大直径潜孔锤进行了优化布齿。
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出版历程
收稿日期:  2023-07-09
修回日期:  2023-10-13

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