Crawler
draglines
Electric
shovels
Rotary Drilling Rig SBSh-270-34
| Parameters | |
| Hardness of drilled rock (M.M.Protod'yakonov scale) | 6…14 |
| Drilling depth of vertical well, m not less | 34 |
| Drilling depth with one rod, m | 17 |
| Well diameter in boring head, mm | 270 |
| Angle of well slope when drilling "away from", deg | 0; 15; 30 |
| Rotation speed of drilling column, rpm | 0¼120 |
| Rated rotational torque on rotation unit kN*m | 8,4 |
| Upper limit of feed force, kN | 350 |
| Feed type of drilling tool | cable, two winches with electric drive and triple cable-pulley system |
|
Feed rate , m/ min drilling/setting |
0…6 0…16 |
| Method of dust control |
a) air-water mixture b) dry |
| Capacity of compressor unit, m3/min | 38 ±2 |
| Rated air pressure in pneumatic system, MPa | 0,5 |
| Speed of rig horizontal motion, km/h |
1,6 |
| Maximum climbing angle on hard soil, deg | 12 |
|
Average
ground pressure during moving, MPa, not over crawler belts jacks |
0,15 0,9 |
| Energy supply | by flexible cable |
| Capacity of cable reel, m, not less | 630 |
|
Supply
voltage, V 50 Hz, 3-phase |
6000 |
|
Dimensions of rig, mm: width length with raised tower length with lowered tower height with raised tower length with lowered tower |
6286 12 780 25 460 27 034 6516 |
| Mass of rig, t | 141 |