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乌克兰高效打眼设备乌克兰“大风雪”股份有限公司开发出的２５５“大风雪”井下打眼设备有一台带液压钻头的旋转－冲击式钻机和履带行走部。该设备供掘进水平和倾角１２°以下的倾斜巷道时打眼之用。适用于巷道净断面８－１８ｍ２，岩石硬度系数ｆ≤１６。技术特征：打眼...
Ukraine Efficient drilling equipment Ukraine “Blizzard” Co., Ltd. developed 255 “snow storm” hole drilling equipment with a hydraulic drill bit rotary - impact drill and crawler walk. This equipment is used for drilling eyes when driving at a level of inclination of 12 ° or less. For the tunnel section 8-18m2, rock hardness coefficient f≤16. Technical characteristics: 打眼 ...