【摘要】 快速移架装置的研制与应用 ,极大地提高了放顶煤支架在“三软”煤层开采中的移架速度 ,促进了“三软”煤层综采放顶煤工作面稳产、高产 ,提高了工作面的经济效益。更多还原

【Abstract】 This-paper in troduces application and deve lopment of high-speed move -support equipment it improves move-support speed of caving support in “three-weak elements” coal seam,promotes stable high output in “three-weak elements” coal seam in fully mechanized caving workface,improves economic efficiency in this workface.更多还原