Description of Drilling Jumbo:
The wheel drilling jumbo is mainly used in mining, metallurgy and other departments of the tunnel, culvert tunneling engineering. With advanced hydraulic system, the rock drill jumbo automatically stops and anti-clamping bit device, convenient operation, safe and reliable. Feather more, this tunneling wheel jumbo is of small body, compact structure, low center of gravity, mobile and flexible. It is ideal underground machine for rock drilling projects.

Features of Drilling Jumbo:
1. The wheel drilling jumbo adopted a direct controlled drilling system which incorporates excellent anti-jamming function RPCF (Rotation Pressure Controlled Feed force). Separate pumps for percussion/positioning, rotation for independent control and maximum output.
2. Wheel drilling jumbo hydraulic drifter with large flow, low pressure and modern double reflex dampening giving genuine high speed drilling and excellent drill steel economy. New lubrication system keeps all contacting surfaces with reliable operation, low maintenance cost and long intervals between overhauls.
3. For the tunneling wheel jumbo, there is heavy-duty box-type hydraulic feeds with high torsional resistance, and feed system that is suitable for any angle of holes with a longer life and low maintenance cost.
4. There is telescopic heavy-duty boom for direct, fast and accurate positioning between holes. All boom joints are using improved expansible shaft structure.
5. Sturdy, articulated carrier with four wheel drive for easy maneuvering in narrow tunnels and drifts. Power steering, hydraulic release brakes and central lubricated chassis are adopted. Four jacks for stable set up.
6. Basic rig includes telescopic FOPS-approved protective roof, cable reel, work lights(2×70 W halogen), water booster pump and pump unloading function for easier start with low voltage.
Range of Application:
Drilling jumbo is mainly used to drill blast holes for tunneling constructions in mining, metallurgy, water and electricity, railway, highway engineering, etc. Our drilling jumbo can be used in small tunnel sections 2 x 2 m Min.as well as big tunnel section 7.5 x 8 m Max.

Main Characteristics of Drilling Jumbo:
Wheel drilling jumbo is safe and simple to operate, incorporates the auto stop and anti-jamming function, auto-stop at end-point and auto wash It can not only drill blast hole, on the basis of section, with our patent impeller, but can also drill bolt hole conveniently.
There are crawler type and wheel type of drilling jumbo.The crawler type can assemble diesel engine, solving the problem of long distance transition.
Compare with the air jumbo drill, the wheel drilling jumbo is better for human health. It needs less workers with high efficiency.

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