HFJ28 Full Hydraulic Integrated Downhole Drill
- Drilling Diameter:90-235mm
- Drilling Depth:28-30m
- Engine Power:264-335kW
- Rotary Torque:3300-3900N.m
product Introduction
HFJ28 integrated full hydraulic down-the-hole drilling rig is a product that can bring you higher automation and higher drilling efficiency, reliable operation and simple operation. Equipped with a cab and automatic rod changing system that meets FOPS requirements as standard, and widens the heavy-duty walking mechanism to meet the requirements of rapid movement while taking into account better safety. The hydraulic dust removal system can meet the new environmental protection requirements of the mine, and it is a modern green mine. Reliable solution.
Application
TECHNICAL DATA
| Project |
Parameter name |
Unit |
HFJ28 |
HFJ38 |
| Body specifications |
Total mass |
kg |
15000 |
25000 |
| full length |
mm |
9920 |
9785 |
|
| Full width |
mm |
2600 |
3200 |
|
| Full high |
mm |
3300 |
3500 |
|
| Bottom plate |
Track length |
mm |
/ |
3646 |
| Ground contact length |
mm |
/ |
2875 |
|
| Track center distance |
mm |
/ |
2200 Total outside width 2700 |
|
| Track width |
mm |
350 |
500 |
|
| Ground clearance |
mm |
≥400 |
≥400 |
|
| Track oscillation |
° |
±10° |
±10° |
|
| Walking motor |
/ |
Eaton |
||
| Walking speed |
Km/h |
2（Low speed）3（high speed） |
1.8（Low speed）2.95（high speed） |
|
| Max. tractive force |
KN |
/ |
170 |
|
| Grade ability |
° |
20° |
20° |
|
| Engine |
Model |
QSL8.9-C360-30 |
QSZ13-C450-30(Cummins) |
|
| Type |
Water-cooled 6-cylinder EFI diesel engine |
|||
| Rated power |
Kw/RPM |
264/2100 |
335/2100 |
|
| Fuel tank capacity |
L |
450-500 |
760 |
|
| Hydraulic pump/valve |
Main pump |
/ |
Plunger variable load sensing pump |
|
| Main valve |
/ |
Load sensing valve |
||
| Manufacturer |
/ |
Rexroth |
||
| Air compressor |
Model |
Atlas Copco |
Atlas Copco |
|
| Type |
|
2-stage screw air compressor |
2-stage screw air compressor(Dual power) |
|
| Working pressure |
bar |
20 |
20 （Medium pressure） 25 （high pressure） |
|
| Max. air delivery |
m3/min |
18.5 |
25.4 |
|
| Rotary motor |
Hydraulic rotation unit |
/ |
Double motor（Eaton） |
|
| Rotation rate |
rpm |
0-85 |
0-70 |
|
| Max. rotation torque |
N.m |
3300 |
3900 |
|
| Feeding method |
Motor drive + sprocket chain type |
|||
| Fast feeding/lifting rate |
m/ min |
/ |
30 |
|
| Feeding rate |
m/ min |
/ |
4.7 |
|
| Max. lifting rate |
m/ min |
/ |
5.5 |
|
| Feeding force |
KN |
12 |
0-30 Adjustable |
|
| Lifting force |
KN |
18 |
30 |
|
| Advance beam |
Length |
mm |
/ |
8500 |
| Feeding stroke |
mm |
4840 |
5500 |
|
| Feed extension |
mm |
1100 |
1600 |
|
| Swing angle |
° |
/ |
Left 95°right 35° |
|
| Boom |
Type |
mm |
/ |
With telescopic single straight arm (length 570) |
| Tilt angle |
° |
/ |
40°(on) ,15°(under) |
|
| Swing angle |
° |
/ |
Left (side of cab)9°right31° |
|
| Drill pipe changer |
Pipe diameter |
mm |
76 |
102/114 |
| Pipe length |
m |
4 |
5 |
|
| Drilling diameter |
mm |
90-152 |
138-235 |
|
| Drilling depth |
m |
28 |
30 |
|
| Pipe capacity |
piece | 6+1 |
5+1 |
|
| Hammer specs |
|
4''/5'' |
5''/6'' |
|
| Filter element quantity/specification |
|
/ |
26 |
|
| Collecting method |
|
Full hydraulic dust removal |
||
| Dust cover |
|
/ |
Fluctuate |
|
