全液压履带钻机改进及在巷道底板锚固中的应用

Application and Improvement on Full Hydraulic Crawler Drilling Rig in Construction of Roadway Floor Grouting and Anchoring

针对煤矿巷道底板注浆锚固作业速度慢的问题，通过对ZDY1200L型煤矿用全液压履带钻机进行改造，使主轴倾角变化范围改变为-90°-0°，从而满足了底板注浆锚固作业的要求，并在蒋家河煤矿回风大巷进行应用。结果表明：改造后的ZDY1200L型全液压履带钻机给进平稳、速度均衡，整体结构安全可靠，每天钻孔数量为60个，较使用地质钻机每天钻孔30个有了较大提高，底板锚固孔的施工效率显著提高，从而有效提高了底板注浆锚固作业速度。

In order to solve the problem that the operating speed was slow in construction of roadway floor grouting and anchoring in coal mine, the ZDY1200L Full Hydraulic Crawler Drilling Rig was improved to meet the construction requirement, the angle range of main shaft was changed in -90°- 0° and the machine was used in main ventilation roadway of Jiangjiahe Coal Mine.The results showed that the feed speed of the reconstructed ZDY1200L Full Hydraulic Crawler Drilling Rig run smoothly and balanced ,the structure was safety and reliabil- ity.Drilled quantity of boreholes per day was 60, which was twice than geological drill, drill speed had greatly improved.Thus the construc- tion efficiency and operating speed were improved effectively in construction of roadway floor grouting and anchoring.