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