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Underground Coal Mining Equipment Manufacturers
Underground Coal Mining Equipment Manufacturers

Drill blastholes for tunneling construction in coal mine etc. Twin boom Cross section: 5.2m x 4.5m Drilling speed 0.8-2m/min

CMJ17 All hydraulic crawler drilling Jumbo is mainly used to drill blastholes for tunneling construction in mines of metallurgical, nonferrous metal, coal etc, and also hydro-power station, railroad, highway engineering, etc. The jumbo is designed with two drilling booms, advanced hydraulic rock drill system, anti-jamming mechanism for making it has rapid drilling speed and high efficiency. Flexible mechanism can make the jumbo drilling on face, slope, roof, side wall and floor in underground mine or tunnels, and it also can drill anchor holes upward. With modular designed, this small compact jumbo has a low center of gravity, great mobility, remarkable stability and strong climb capability thus can improve working environment and get efficiency, quality development.

  Performance parameters:

Model

CMJ2-17-A

CMJ2-17-B

CMJ2-17-C

Drilling spec.

Drilling speed

0.8-2m/min

Hole size

33-43mm

Length of steel rod

2.475m

2.975m

3.5m

Hole depth

2.1m

2.6m

3.1m

Power system

Electric motor capacity

45kw or 55kw

Voltage

380/660V or 660V/1140V

Chassis

Width of track shoes

350mm

Traveling speed

0-2.5km/h

Climb capability

14°

Weight & dimensions at transportation

Length

7500mm

7500mm

8400mm

Width

1200mm

Height

1750mm

Cross section

Total weight

8500kg

8900kg

9200kg

Max. (W x H)

5.2m x 4.5m

Drilling scope

Boom raising

Up55°;  Down 16°

Swing boom

Inside14°; Outside47°

Boom rotation

±180°

Feeder compensation

1500mm

Feeder tilting

Downward105°; Upward15°

Swing feeder

Left45°; Right45°

Underground Coal Mining Equipment Manufacturers

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