JIANGXI SITON MACHINERY MANUFACTURING CO., LTD.

Double Booms Jumbo
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Double Booms Jumbo:

Description of Double Booms Jumbo:

The double boom jumbo is a kind of two boom underground drilling jumbo machine typically used in tunneling construction of mining, metallurgy, water and electricity, railway, highway engineering, etc. It can work on face of the tunnel, roof, side and floor. In addition, the double boom jumbo can not only drill the blast hole, but also drill the bolt hole easily.

Features of Double Booms Jumbo:

1. The double boom jumbo, owning a drilling speed of 0.8-2 m/min, can work with high efficiency.

2. This underground drilling jumbo machine has an advanced hydraulically controlled drilling system which is safe and simple to operate. The system incorporates the auto stop and anti-jamming function, which make sure that the machine can stop automatically at the end-point and wash itself automatically.

3. It can walk flexibly with direct diesel drive which can transport materials at a long distance.

4. The double boom jumbo has a low center of gravity, great mobility and remarkable stability. It is specially suit for the tunnels of big section.

5. Possessing a line of rock drills, drill jumbos and roof bolters, the double boom jumbo can drill the rock with a much lower cost per meter.

Technical Data of Double Booms Jumbo:
Type DF20-2BD DF20A-2BD
Drill speed (m/min) 0.8-2 0.8-2
Drill rod length (m) 2.475 (standard) 3.05 (standard)
Hole diameter (mm) 27 - 45 27 - 45
Hole depth (once) (m) 2.1 2.7
Cross section W×H (m×m) 2 × 2 - 5.2 × 3.8 2.5 × 2.5 - 5.5 × 4.5
Traveling speed (km/h) 3 3
Climbing capability % 25 25
Rock drill number and type 2×HYD200 2×HYD200
Overall dimensions L×W×H (m) 7.35×1.35×1.6 7.95×1.35×6
Motor power (kw) 45 45
Voltage (V) 380 or 660 380 or 660
Total weight (kg) 9600 9800
Boom number and type  2× ZB2.4 2× ZB2.9
Up/down (°) 55/16 55/16
Swinging angle inner/outer (°) 14/47 14/47
Extension (m) 1.5 1.5
Rotation angle  (°) 180/180 180/180
Impeller number and type 2 × TJ2.1 2 × TJ2.7
Up /down (°) 105/15 105/15
Pivot angle (left/right) (°) 45/45 45/45
Double Booms JumboDouble Booms Jumbo
Note: The above parameters are only for reference. They can be different from the actual parameters.
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