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 94/115/133 End hold diameter mm 94 Drilling pipe diameter mm 63 Drilling angle -90-+90 Output rotating speed r/min 70/160 Output torque nm 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
