The hydraulic coal driller overcomes the weakness of the coal electric driller,it depends on the motive sources of the emulsification liquid pump station of hydraulic prop and turns the hydr...

• 液压煤钻克服了煤电钻的缺点,它以液压支柱的乳化液泵站为动力源,将液压能以输出转矩的方式转化为机械能,实施钻孔,有小部分乳化液经空心钻杆到钻头,实现湿式打眼,降低粉尘浓度,改善工作环境。