现在许多采煤机都选用平衡阀为液压锁,收到良好效果,用同样办法,应用到某型号采煤机液压调高系统却出现了问题,当采煤机滚筒由最高点开始下降时,滚筒和摇臂出现了抖动现象,通过对此问题分析,提出了改进办法,达到满意结果。 Now many shearers choose the balance valve for the hydraulic lock, received good results, using the same approach applied to a model shearer hydraulic system has raised a problem, when the shearer drum from the highest point began to decline, The drum and the rocker appeared jitter phenomenon. Based on the analysis of the problem, the improvement measures were put forward to reach satisfactory results.