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笔者通过在放煤现场勘查现场得出的数据分析得出,四柱支撑式放顶煤压支撑具有灵活性较好等优势,整个系统受力较为合理,降低了一部分阻力,使得整个机械的强度要求降低,在机械的安全性上起到了积极作用。然而研究表明,强度高的支架并不是最安全、最可靠的支架设备,因此本文通过分析放顶煤支架的特点、动态承载机理与可靠性来分析支架的可行性。
Based on the analysis of the data obtained from the site investigation of coal caving, the author has found that the four-post support caving coal pressure support has the advantages of better flexibility and so on. The stress of the whole system is relatively reasonable and the part of the resistance is reduced, so that the strength requirement of the whole machine Reduce, play a positive role in the safety of the machine. However, studies have shown that high strength stents are not the safest and most reliable stents, so this article analyzes the feasibility of stents by analyzing the characteristics of the top coal caving, the dynamic bearing mechanism and the reliability.