| 双伸缩立柱在冲击力作用下的动态分析 |
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| 引用本文： | 李海宁,白志峰,赵书明,李勇刚.双伸缩立柱在冲击力作用下的动态分析[J].煤矿机械,2010,31(3). |
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| 作者姓名： | 李海宁 白志峰 赵书明 李勇刚 |
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| 作者单位： | 西安科技大学,西安,710054 |
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| 摘 要： | 双伸缩立柱是液压支架的关键部件之一。在分析简化双伸缩立柱结构的基础上,建立了双伸缩立柱在冲击载荷作用下的动力学数学模型,并进行公式推导和分析计算,研究立柱内液体压力波动变化以及对立柱强度的影响。
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| 关 键 词： | 双伸缩立柱 表观等熵线 容积弹性模数 波动方程 动态内压分析 |
Dynamic Analysis of Double Telescopic Column under Impact |
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| LI Hai-ning,BAI Zhi-feng,ZHAO Shu-ming,LI Yong-gang.Dynamic Analysis of Double Telescopic Column under Impact[J].Coal Mine Machinery,2010,31(3). |
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| Authors: | LI Hai-ning BAI Zhi-feng ZHAO Shu-ming LI Yong-gang |
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| Affiliation: | LI Hai-ning,BAI Zhi-feng,ZHAO Shu-ming,LI Yong-gang |
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| Abstract: | While pairs of telescopic column is seen to be one of the key components of hydraulic support. In the analysis simplifies the double expansion column structure in the foundation, established double expanded and contracted column’s under impact load function dynamics mathematical model, and carried on the equation development and the analysis computation, studied in the column the liquid head fluctuation change as well as to the column intensity influence. |
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| Keywords: | double expands and contracts the column apparent isentropic lines volume elastic modulus wave equation dynamic intrinsic pressure analysis |
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