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近几年,越来越多的电液控支架应用于煤矿工作面,电液控支架具有高产、高效、安全的特点。主控阀是电液控系统中重要的液压控制元件,在使用过程中存在串液问题。通过对电液控阀芯的结构、工作原理和受力特点进行分析研究,分析主控阀产生串液的原因,提出避免产生主控阀串液的措施,采用福斯液压支架用乳化油SOLCENIC CN202成功解决了此问题。山西省某大型煤矿工作面,采用先进的进口电液控系统,2010年10月份试生产,在试
In recent years, more and more electro-hydraulic control bracket used in coalface, electro-hydraulic support with high yield, high efficiency and safety features. The main control valve is an important hydraulic control element in the electro-hydraulic control system. There is a problem of stringing during use. By analyzing the structure, working principle and force characteristics of the electro-hydraulic control valve core, the reason why the main control valve produces string liquid is analyzed. The measures to avoid the generation of the main control valve string fluid are put forward. The Flowserve hydraulic support is made of emulsified oil SOLCENIC CN202 successfully solved the problem. Shanxi Province, a large coal mine face, the use of advanced imported electro-hydraulic control system, trial production in October 2010, in the trial