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Rock drilling rig Used deep rock well drilling rig down-the-hole drill Blast hole piling
Rock drilling rig Used deep rock well drilling rig down-the-hole drill Blast hole piling
It is used in blast pits of open-pit mine quarries and various steps to excavate medium soft rock and medium hard rock layers to meet productivity needs.
Aperture range: 90-130mm
Stronger drilling ability and higher quality of hole formation.
ZEGA D440 brings the following benefits
Charges control blast effect
Through parallel and pre-split blasting, speed up the peeling speed.
By increasing the slope angle, the excavation of waste rock is reduced.
Flexibility is significantly better than traditional open pit and quarry rigs.
Excellent return on investment
The D440 drill rig has a working wind pressure of 20 bars, a drill pipe length of 3.5 m, and two diameter drill pipes to choose from, which can be used to drill foot holes.
High efficiency, energy saving, environmental protection and safety
n Two-stage compression air compressor with energy efficiency ratio is used to achieve high wind pressure rock drilling. It has excellent fuel economy performance, more energy saving and more environmentally friendly.
n High-torque swivel head to overcome the stuck phenomenon in most rock formations.
n Two-stage dry dust removal system to meet environmental protection requirements.
n Fully enclosed air-conditioned cab with good sight and comfortable and safe operation.
n New-type propulsion beam with excellent guidance and stability, realizing high-precision drilling.
Flexibility and mobility
D440 drilling rig has excellent walking performance, and transfers quickly and safely in the work place. Because of the balanced weight distribution, low center of gravity, suitable chassis ground clearance, and heavy-duty track frames with a swing angle of ± 10 °, the off-road capability is outstanding. It can also perform vertical or various angle drilling on sloping slopes.
More convenient maintenance
Like other drilling rigs of Chigo, the D440 was designed with the convenience of maintenance in mind. The maintenance space in the cabin is spacious, and all maintenance points are within easy reach. Marking rings are provided on both ends of the oil pipe and cable for easier maintenance.
The straighter the slope, the better the economy
Using ZEGA D440 for down-hole pre-split drilling can make the steps higher and narrower. This makes the slope steeper and reduces the amount of excavated waste rock. This has the advantage of reducing the rate of depletion, which means higher production and better overall mine economics.
The main technical parameters
Recommended aperture range
Aperture range
Φ90-130mm
Applicable DTH Impactor
3.5 ”/ 4” inches
Capability of pole change system
Number of stored rods
7 + 1
Outer diameter of drill pipe
68 / 76mm
Drill pipe length
3.5m
Maximum depth of automatic lever change
28m
Hydraulic swivel head
Swing speed
0-105rpm
Working torque
2800Nm
engine
Brand model number
Cummins QSC8.3-C260-30
rated power
194KW @ 2000rpm
Emission level
Country 3
Fuel tank
capacity
350L
Air compressor GE810II
Working pressure
20bar
Displacement
16m3 / min
Drill arm type
form
High-strength single straight arm
Advancing beam
form
Motor chain propulsion system
Total length
6865mm
Advance stroke
4100mm
Advancing compensation
1200mm
Advancing speed
0.85m / s
Propulsion
15KN
Pulling force
31KN
Chassis
Walking speed
3km / h
Driving force
115.4KN
Gradeability
30 ° (winch greater than 20 ° is recommended)
Track frame swing angle
± 10 °
Ground clearance
450mm
Shipping size (excluding options), approx.
weight
15000kg
width
2480mm
length
9980mm
height
3200mm
The standard configuration
n Cummins engine QSC8.3-C260-30 power 194KW
n Screw two-stage compression air compressor 16m3 / min, 20bar
n Cooling system suitable for 50 ℃ environment
n Automatic pole change system
n Removable dust hood for easy observation of opening accuracy
n Dust pre-separator
n Dry dust collector, can automatically and continuously clean the filter element
n Hydraulic swivel head
n Propulsion beam extension compensation mechanism
n Heavy propulsion beam
n Impactor lubrication device
n Drilling pipe thread lubrication device
n Floating hydraulic oil pipe follower
n Safety cab with facilities such as heating and cooling air-conditioning, rear-view mirrors and multi-angle adjustable seats
n Noise level ≤80dB, with ergonomically designed operating handle, placed on the seat armrest
n Two-speed hydraulic walking
n Heavy-duty track frame with three-tooth track pads
n Hydraulic drill pipe guide and drill pipe disassembly table
n Fuel saving device (automatic unloading when the wind pressure is idle, automatic engine speed adjustment, etc.)
n Reverse alarm
n work light
n Automatic emergency stop device
n Manual hydraulic oil filling pump with filter device
n Hydraulic chuck
Optional parts
n Automatic anti-sticking system
n Wet dust removal system
n Intelligent remote management system
n High Altitude Set
n Cold zone device
n Electric fuel pump
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