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研究了放顶煤工作面端头支架的发展过程,提出了一种新型的可放顶煤的端头支架结构形式,并对千斤顶的选型进行计算分析,保证了新结构的安全可靠应用,为端头液压支架的设计应用提供参考。
The development process of the end support of caving coal face is studied, a new type of end support structure of caving coal is proposed, and the selection of jacks is calculated and analyzed to ensure the safe and reliable application of the new structure. For the end of the hydraulic stent design and application of reference.