DTH Drilling Machine Crawler Drilling Rig Used For Tunnel Projects

ZML-120 crawler type multifunctional drilling rig used for tunnel projects

It is especially suitable for drilling in gravel and crushed strongweathered rock overburden strata, especially for its high efficiency and
high quality performance, it can drill through complex strata quicklyand efficiently. It has broad application prospects in various rock and
soil anchorage projects, and is suitable for all kinds of stratums.

Characteristics:
This product is mainly used for tunnel pipe sheds, system anchoring, and tunnel excavation construction.
It mainly adopts drilling techniques such as down-the-hole hammer, guide pipe, and self-advancing anchor rod.
The drilling arm can be horizontally raised up to 4.5 meters and uses a two-stage arm to meet the requirements of high working surfaces. It is mainly used for one-time forming in down-the-hole construction.
The mast can be rotated 360 degrees for construction, and the main arm can swing left and right, enabling multi-angle construction inside the tunnel.
The power head has a stroke of 3 meters and can be equipped with drill rods ranging from 1 meter to 3 meters in length.
Optional air-water linkage device can achieve dust reduction during tunnel construction, creating a favorable working environment.

Technical specifications

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