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我矿用KD—100钻机钻凿天井中心孔。按照原有钻具结构需要有4米高的提升空间,而且钻具上的取粉管易于磨损报废,钻机安装时,水平调整采用加减垫片的方法,既费工费时,又不能达到符合要求的水平精度。我们在学习有关单位改用无丝扣盖头经验的基础上,结合我矿实际,改进了钻机钻具及水平调整装置。
I mine KD-100 drilling rig drilling center hole patio. In accordance with the original structure of the drilling needs to have a 4-meter-high room for improvement, but also take the powder tube on the drill easy to wear and tear scrap, the installation of drilling rigs, the level adjustment using the method of adding and subtracting shims, both the time-consuming and can not meet the requirements Required level of accuracy. On the basis of our experience in switching to the use of non-threading cover heads and combining with the mine’s actual conditions, we have improved drilling rigs and leveling devices.