=== Base Info ===
=== Description ===
Dimension(L×W×H)/m
Drill crawler | 3.48×1.25×2.00 | Power pack crawler | 2.80×0.85×1.54 |
[Application]
1.Gas drainage borehole drilling in Hujiahe Coal Mine, Heilongjiang, ChinaCoal seam internal borehole drilling, borehole inclination 10°~16°,120 boreholes were drilled, total drilled distance is more than15000m,max drill depth is 170m,drill efficiency reached 100m in 8 hours.
2.Destressing borehole drilling in Binchang Coal Mine, Shaanxi, ChinaVarious boreholes have been drilled which includes horizontal lateral destressing borehole, drivage covering borehole, floor destressing borehole. Max inclination angle is 90°. 159 experiment boreholes were accomplished. Total drilled distance is more than17800m, max drill depth is 161m,drill efficiency reached 1870m in 8 hours.



