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Chongqing Gold M& E Equipment Co., Ltd.
Address:  9F/10,Jintai Building, Nanping, 400060,Chongqing,China

Contact person:Michelle Li
Tel: 0086-023-62794421
Fax: 0086-023-62940030
Mobile/Whatsapp: 0086 15922636015
Skype: oilpurifier2010
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KDY-30H tunnel condition man portable underground drilling rig

  • Gold
  • KDY-30H

Product Description


Kdy-30h is a  full hydraulic drive tunnel boring machine is a multi-function drill rig developed facing drilling grouting  hole for hydro-power station.

It also can be used for drilling the hole of support, penetration-proof, blasting; and treating dangerous rock and hillside. It is mainly suitable for drilling hard rock with diamond bit and PDC bit, and DTH drilling as well.


1.Reasonable specification, assure more efficiently drilling .
2. Fully hydraulic drive, top-drive head rotation, feed and hoist
are all done by ration pump and ration motor which composite independent open hydraulic system,it is simple, advance, easy to use and maintain .
3.The main hydraulic components are from world famous hydraulic manufacturers, two-step filterin to assure the reliability of the hydraulic system .
4.Light weight, easy to move, re-assembly and maintain .5.Especially suitable for drilling in tunnel and on the frame.


Drilling method  diamond drill bit  PDC bit and DTH drilling
Drilling capacity 20-50m
Drill hole dia Φ56-Φ91 mm
Drill rod  Φ50 x 1000 mm  Φ50 x 1000 mm
Top-drive head: stroke 1200 mm 
Max. push/pull force 20 kN
Top-drive head speed with motor of 100ml/r) Speed I: 0-700r/min speed II: 0-350r/min
with motor of 305ml/r) Speed I: 0-230r/min; speed II: 0-115r/min
Top-drive head torque 215 N.m; speed II: 430 N.m
655 N.m; speed II: 1300 N.m
Power normal one with 15 kW. Other one according client needing



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