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~ZDY-2300 full hydraulic tunnel drilling rig
1.Brief introductions of ZDY-2300 full hydraulic tunnel drilling rig
The ZDY2300 hydraulic tunnel drilling rig for coal mine is one of ZDY series drilling rig developed by our company. The drilling rig adopts hydraulic transmission mechanism. It has large drilling ability, fast speed, simple operation. And  also it is stable and reliable and convenient to transport and install. It can solve the problems of jetting hole, hole collapse, drilling jam and so on in the process of drilling in soft outburst coal seam.
2.Applications of ZDY-2300 full hydraulic tunnel drilling rig
ZDY-2300 full hydraulic tunnel drilling rig is mainly used for drilling holes of gas pumping (row),grouting hole, water injection hole, anti process and pressure relief hole, geological exploration hole and other engineering drilling holes
3.Specifications of ZDY2300 full hydraulic tunnel drilling rig
Item Unit Model
  ZDY-2300

Drilling
rig
main engine Drilling depth m 300
 Open hole diameter mm Ф94/Ф115/Ф133
 End hold diameter mm Ф94
 Drilling pipe diameter mm 63
 Drilling angle ° -90-+90
 Output rotating speed r/min 70/160
 Output torque n·m 2300/1000
 Thrust kn 110
 Pulling force kn 80
 Rated advance speed m/min 0-1.5
 Feeding stroke mm 850
 Dimensions mm 2240*1000*1450
 Weight kg 1400（no drill rod）

Pumping station Setting work pressure (for small pump) mpa 16
 Setting work pressure (for large pump) mpa 16
 Working medium  46＃antiwear hydraulic oil
 Effective tank capability l 110
 Dimensions mm 1685*800*840
 Weight kg 616

Control station Rotating pressure (inversion) mpa 15
 Rotating pressure (corotation) mpa 14
 Propelling pressure mpa 13
 Dimension mm 1140*615*1130
 Weight kg 175

Electric
motor model  YBK2-225S-4
 power kw 37
 voltage v 380/660
 current a 69.9/40.4
 rotating speed r/min 1480
Total Weight kg 2200