| 冲击凿岩数学模型及活塞失效分析 |
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| 引用本文： | 刘永才,程火金.冲击凿岩数学模型及活塞失效分析[J].北京科技大学学报,1995,17(4):320-324. |
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| 作者姓名： | 刘永才 程火金 |
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| 作者单位： | 北京科技大学设计研究院 |
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| 摘 要： | 应用应力波理论，建立了冲击凿岩的理论模型，并应用该模型对活塞的受力及失效形式进行了分析，找出了活塞失效的真正原因，提出了活塞选材的判据。
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| 关 键 词： | 凿岩机 应力波 数学模型 失效分析 液压凿岩机 |
Mathematic Model for Percussive Rock Drilling and Its Application to the Piston Failure Analysis |
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| Liu Yongci, Chmig Huojin, Liantian, Shi Zhiru.Mathematic Model for Percussive Rock Drilling and Its Application to the Piston Failure Analysis[J].Journal of University of Science and Technology Beijing,1995,17(4):320-324. |
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| Authors: | Liu Yongci Chmig Huojin Liantian Shi Zhiru |
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| Abstract: | A mathematic model for percussive rock drilling is established by using the theory of stress waves. The model is verified by experiments and used to analyse the stress on the piston and the causes of the piston failure. A criterion of piston material selecting is put forward. |
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| Keywords: | percussive drilling stress waves mathematical model failure analysis material selection |
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