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Upgraded Design Hydraulic Crawler Drill KG920B/granite drilling rig/basault crawler drilling machine/ blasthole drilling rig for Africa
Features
1. Powerful feeding mechanism and rotating system
2. Adjustable boom
3. Reliable Hydraulic Pump System
4. Centralized Operating System
Specification
|
Model
Specification |
KG920B |
Improved by: |
KY125 |
Rock hardness |
F=6-20 |
Hole diameter(mm) |
80-115 |
Drill depth(m) |
25 |
Pressure (Mpa) |
1.0-1.7 |
Air consumption (M3/min) |
9-16 |
Rotating speed (Km/h) |
0-65 |
Lifting capacity (KN) |
17 |
Drill rod specification(mm) |
64×3000 /76×3000 |
Gradeability |
30° |
|
Ground clearance(mm) |
290 |
Walking speed (km/h) |
2.0 |
Drill arm rising angles (°) |
-25~+50 |
Drill arm swing angle (°) |
±45 |
Carriage swing angle(°) |
-45~+100 |
Carriage pitch angle (°) |
-50~+135 |
Carriage Compensation(mm) |
900 |
|
Overall Dimension (L*W*H)(mm) |
4000×2270 ×2050 |
Total Weight (Kg) |
3300 |
Note: |
Pneumatic -hydraulic |
Comparsion Between KY125 and KG920B
|
KY125 |
KG 920B |
Advantages |
Travel parts |
QJM Motor (Direct connection) |
Mortor+Reducer structure |
Reduce pressure of motor, improve the service life of the motor |
Travel pressure |
14-16 Mpa |
11 Mpa |
|
Drill boom |
|
New type drill boom |
Simultaneously drill horizontal hole and vertical hole |
Hydraulic system |
19.2 pump |
30 pump,big diameters, new type valve groups, new type joint. |
Flow is increased, resistance is reduced. |
Air control system |
Ball valve |
side valve typec oncussion relief valve |
Easy operation |
Rotation speed |
55 r/min(1700) |
83 r/min (diesel engine 1700r/min) 107 r/min(diesel engine 2200 r/min) |
Improved by 50% |
Advance speed |
336mm/s |
450mm/s |
Improved by 33% |
Matched screw compressor
Drill bit
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