【摘要】 对基于并联机构的液压支架立柱的控制和工作过程进行了分析,表明该支架能充分适应顶板、保证初撑力、适应矿压规律的变化。更多还原

【Abstract】 The paper makes analysis to upright prop of hydraulic bearer based on parallel mechanism about its controlling and operating process, which shows that bearer could fully adapt to roof and initial supporting force be guaranteed to adapt to regular alternation of pressure of mine.更多还原