| HDD扩孔钻具组合三维小挠度运动规律浅析 |
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| 引用本文： | 何计彬,余莉,张瑛.HDD扩孔钻具组合三维小挠度运动规律浅析[J].岩土钻凿工程,2012(2):40-43. |
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| 作者姓名： | 何计彬 余莉 张瑛 |
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| 作者单位： | [1]成都理工大学环境与土木工程学院,四川省成都610059 [2]中国地质大学（武汉）,湖北省武汉430074 |
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| 摘 要： | 以HDD铺设管道直线段轨迹中的扩孔钻具组合为研究对象，将扩孔钻具简化为质量均匀分布的转子模型，对扩孔钻具进行了详细的受力分析。以转子动力学理论为基础，通过对扩孔钻具所受力及力矩表示并建立了力和力矩平衡方程，采用矢量分析方法推导出了在小挠度情况下扩孔钻具的三维控制微分方程。
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| 关 键 词： | 扩孔钻具 转子动力学 矢量分析 控制微分方程 |
Analysis on Three Dimensional Motion Behavior of HDD Reamer Assembly under Small Deflection |
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| Authors: | He Jibin Yu Li Zhang ying |
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| Institution: | 3 (1. College of Enviroment and Civil Engineering, Chengdu University of Technology.2. College of Engineering, China University Of Geosciences,Wuhan ,Hubei, 3. College of Enviroment and Civil Engineering, Chengdu University of Technology) |
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| Abstract: | In this paper, reamer assembly which in Straight section trajectory of HDD laying pipes was seemed as rotor mode of the uniform distribution of the quality. And a detailed force and deflection analysis has been given for it. Based on the theory of rotor dynamics, the force and moment equilibrium equations are established by the technique of 3-D rotational coordinates transform matrix. From the force and moment equilibrium equations mentioned above and by the use of vector analysis method, 3-D differential equations for reamer assembly of HDD under small deflection have been developed through a close and complex mathematical substitution process. |
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| Keywords: | Reamer Assembly Rotor Dynamics Vector Analysis Control Differential Equation |
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