基于电液比例阀控制的采煤机自动调高液压系统的研究  

Analysis and Research on Automatic Height Adjustment Hydraulic System of Coal Mining Machine Controlled by Electro-hydraulic Proportional Valve

作　　者：史彦军 Shi Yanjun(Xiegou Coal Mine,Shanxi Xishan Jinxing Energy Co.,Ltd.,Lyuliang Shanxi 033602)

机构地区：[1]山西西山晋兴能源有限公司斜沟煤矿,山西吕梁033602

出　　处：《机械管理开发》2021年第12期289-290,293,共3页Mechanical Management and Development

摘　　要：为保证采煤机滚筒调高能获得最佳的割煤效果和最大的回采率,对采煤机自动调高技术进行研究,并对电液比例换向阀控制的调高液压系统进行模拟分析。通过分析得出,电液比例阀控制的液压系统可在短时间达到预期值,且能够快速精确地控制采煤机滚筒的调高,进而可提高煤炭开采的质量。In order to ensure the best coal cutting effect and the maximum recovery rate of coal mining machine drum height adjustment,studies on the automatic high technology regulation of coal miners is analyzed and studied,and the hydraulic system of height adjustment controlled by electro-hydraulic proportional reversing valve is simulated and analyzed.It is concluded from the analysis that the hydraulic system controlled by electro-hydraulic proportional valve can reach the expected value in a short time and can control the height adjustment of coal miner drum quickly and precisely,and then can improve the quality of coal mining.

关 键 词：电液比例阀 调高液压系统 位移量 响应速度 

分 类 号：TD63[矿业工程—矿山机电]