Tunnel drilling machineKDY-30Hfully 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 rationmotor 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 filterinto 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 |
Established in 2009.
Chongqing Gold Mechanical & Electrical Equipment Co,. Ltd is a high-tech enterprise specializing in R&D design, manufacture and sale of geological instruments, oil instruments and other precise instruments and equipments.