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Hydraulic Tunnelling Drilling Rig

KJ421 Hydraulic Tunnelling Drilling Rig(Secondary

Dimensions (L*W*H mm)

13000×2200×2400/3100

Weight（kg）

22000

Φ Aperture(mm)

42-102

Power（Kw）

21/22

Gas Production(m3/min)

2*0.3

Gradability(°）

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product details

Technical Parameters

KJ421 Hydraulic Tunnelling Drilling Rig(Secondary

Drill the blast hole and rock bolting in a vertical,inclined and horizontal way;Suitably qualified for the drilling of tunnels whose section falls in the range of 16-68m².

The firm flexible boom is capable of optical coverage of the section;
360º rotation and self-leveling beam make drill positioning easy;
The boom can also be used for the drilling of lateral cross-cut and rock bolting;
The drill rig provides a good view for the operator;
Balanced layout and the articulated chassis of four-wheel drive ensure the flexible,fastand safe driving in the narrow tunnel;
The stepped piston is used for the high-frequency impacting rock drill and this can improve the transmission efficiency of impact wave and drilling speed and reduce the consumption of drilling tools and make it in good condition;
Considerable space and automatic functions enable the driver to concentrate on drilling in a safe,fast and accurate manner;
All the relevant parts are kept in good protection,meanwhile easy to maintain.
It can be equipped with an enclosed cab selectively.

Technical Parameters

* Note: Due to continuous technological updates and advancements, any differences between technical parameters and configurations and the actual product shall be based on the actual product delivered; Additionally, the machine shown in the picture may include additional equipment.