| 三软煤层电液控制放顶煤液压支架设计 |
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| 引用本文： | 王建国. 三软煤层电液控制放顶煤液压支架设计[J]. 煤炭科学技术, 2012, 40(12): 97-100 |
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| 作者姓名： | 王建国 |
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| 作者单位： | 天地科技股份有限公司开采设计事业部,北京,100013 |
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| 摘 要： | ![]()
针对三软煤层放顶煤开采时煤壁易片帮冒顶、支架前部扎底等情况,通过对支架主要技术参数和结构形式优化分析,提出三软煤层放顶煤液压支架设计要点,给出支架工作阻力、放煤高度的设计依据以及立柱支撑点的优化位置,同时把电液控制技术应用到三软煤层放顶煤开采,实现了放顶煤支架擦顶移架、成组控制、压力反馈技术,为三软煤层安全高效开采提供理论和实践基础,并已在实际煤层开采中取得显著效果。
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| 关 键 词： | 三软煤层 电液控制 液压支架 放顶煤 冒顶 扎底 |
Design on Hydraulic Powered Caving Support with Electro-Hydraulic Control Applied in Seam with Soft Roof, Coal and Floor |
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| WANG Jian-guo. Design on Hydraulic Powered Caving Support with Electro-Hydraulic Control Applied in Seam with Soft Roof, Coal and Floor[J]. Coal Science and Technology, 2012, 40(12): 97-100 |
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| Authors: | WANG Jian-guo |
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| Affiliation: | WANG Jian-guo(Mining and Design Department,Tiandi Science and Technology Company Ltd.,Beijing 100013,China) |
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| Abstract: | ![]()
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| Keywords: | seam with soft roof coal and floor electro-hydraulic control hydraulic powered support roof falling floor jammed |
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