挖改潛孔鉆機
挖改潛孔(kong)(kong)鉆(zhan)(zhan)(zhan)機壓縮空氣為(wei)動力的(de)(de)中深孔(kong)(kong)鑿(zao)(zao)巖設備(bei)主要用(yong)于(yu)井下(xia)采礦(kuang)(kuang)場(chang)接桿鉆(zhan)(zhan)(zhan)鑿(zao)(zao)上向(xiang)扇型(xing)或環型(xing)中深孔(kong)(kong)的(de)(de)石方(fang)工(gong)程。適用(yong)于(yu)巷道斷(duan)面為(wei)2.5*2.5m到3m*3m鉆(zhan)(zhan)(zhan)孔(kong)(kong)直(zhi)徑50-80cm,有效孔(kong)(kong)深30m。采用(yong)直(zhi)徑65mm的(de)(de)十字型(xing)合金(jin)釬(han)頭在F12-14級(ji)礦(kuang)(kuang)巖中,平均純鑿(zao)(zao)巖速度可達680mm/分。鉆(zhan)(zhan)(zhan)架結(jie)構簡單。鑿(zao)(zao)巖機拆運方(fang)便(bian),工(gong)作安全可靠,效率(lv)高。用(yong)于(yu)冶金(jin)礦(kuang)(kuang)。


