KJ311-Increase Height Type Tunnel Jumbo Drilling Rig

KJ311 Plateau Type Tunnel Jumbo Drilling Rig

Features:

KJ311 hydraulic tunneling drilling rig（increase height type) is suitably qualified for the drilling of hard rock mine whose section falls in the range of 12－44 square meters. It is specially designed for large tunnels and its maximum horizontal height and width can reach 7.4 meters and 7.6 meters respectively.

The firm flexible boom is capable of optical coverage of the section; 360? rotation and self-leveling beam make drill positioning easy;The arm can also be used for the drilling of lateral cross-cut and rock bolting;

The drilling rig provides a good view for the operator; balanced layout and the articulated chassis of four-wheel drive ensure the flexible,fast and 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 maintenance easily.