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以分段水力压裂封孔器的设计原则为依据,对封孔器的研发开展了有益探索,研制出了煤矿井下封压一体化分段水力压裂封孔器,并详细阐述了该封孔器的整体结构和关键部位设计,重点分析了封孔器的工作原理及其主要特点。
Based on the design principle of the segmented hydraulic fracturing and sealing device, the research on the sealing device is carried out. The integrated hydraulic fracturing and sealing device for sealing and pressing in the coal mine is developed. The sealing The overall structure and key parts of the hole design, focusing on analysis of the working principle of the hole and its main features.