Single Boom Jumbo

CMJ series single boom jumbo is mainly applied for mine, water, power, highway, railway, national defense, municipal engineering and other roadway construction projects. Our crawler drill jumbo features stronger gradeability. According to different applications, we have explosion proof and non-explosion proof single-boom jumbos for your selection.

1. Adopting modular design, this single boom jumbo features small size, compact structure, low center of gravity, high flexibility and stable performance.
2. The drill boom can position quickly and precisely.
3. With telescopic boom, the equipment can cover larger drilling area by increasing propeller’s pitch angle.
4. It is usually used to drill the blast hole. But it can also be applied to drill bolt hole when equipped with our patented propeller.
5. The single boom jumbo consumes less energy and generates lower noise when drilling, which greatly promotes construction efficiency and quality.

Model Unit CMJ1-14S CMJ1-14
Adaptive tunnel dimension 14 14
Hole depth (feed at once) mm 2100 2100
Hole diameter mm Φ43 Φ43
Min. turning radius mm 6000 6000
Adaptive cross section(w × h) mm 2140 × 2400 - 3500 × 4100 2000 × 2200 - 3500 × 4100
Stabilization while drilling Mm By jack By jack
Stabilization mm 2140 1930
Rod size mm B28×/2475 B28×/2475
Weight kg 8000 5300
Dimension during transportation (L × W × H) Mm 7700 × 1400 × 2350 7000 × 1060/1130 × 1960
Water pressure Mpa 08-1.2 0.8-1.2

Maintenance of Double Boom Jumbo
A. Daily or frequently required maintenance
B. Regular maintenance
C. Maintenance adjustment in particular case
Sometimes we need to adjust the maintenance period and frequency in accordance with different conditions like temperature, humidity and workload etc. to better protect the machine.
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