Hydraulic tunnel drilling rig

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Hydraulic tunnel drilling rig
Posting date : Dec 03, 2013
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11-
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Mainly used in the coal mine drilling hole, grouting fire extinguishing gas suction (row) of hole and coal seam water injection hole, outburst prevention pressure relief hole, hole and other engineering geological exploration. Suitable for rock rigidity coefficient f 10 or less of all kinds of coal seam, rock formations. Drill basic parameters can be specified in the table within the scope of the azimuth Angle and tilt Angle of drill hole It points column frame and mount two drill stand form, can choose according to level of the coal mine roadway and the use of different drilling. In the rig is equipped with a high pressure water generator and selects the high pressure sealing pipe for low permeability coal seam can be slotted, so as to improve the efficiency of gas drainage and shorten the extraction time. This drill adopts hydraulic drive mechanism, has great capacity of drilling, high speed, simple operation, stable and reliable work, mobie installation is convenient wait for a characteristic No Project Unit ZDY-650型 ZDY-750型 ZDY-1250型 ZDY-2300型 1 drilling depth m 150 150 200 300

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