Crawler
draglines
Electric
shovels
Rotary Drilling Rig SBSh-G-250
| Parameters | |
| Hardness of drilled rock (M.M.Protod'yakonov scale) | 16…18 |
| Travel of driven element, continuous, m, not less | 12 |
| Well diameter in boring head, mm | 250 |
| Drilling depth of vertical well, m not less | 32 |
| Drilling depth with one rod, m | 10 |
|
Delivery set of rods and their dimensions: Number of rods, pcs |
3 11 203 |
| Angle of well slope out of vertical along the rig axis in positive direction "away from", deg | 0; 15; 30 |
| Maximum speed of raising/lowering of drilling column, m/min | 12 |
| Rated feed rate in operating mode, m/min | 0.....6 |
| Maximum axial feed thrust on bottom, kN | 300 |
| Axial thrust of drilling column raising, kN | 180 |
| Rotation speed of drilling column, rpm | 1 ... 150 |
| Rated rotational torque on boring head kN*m | 0 |
| Rated power of rotation unit, duly factor 100%, kW | 125 |
| Capacity of compressor unit, m3/min | 32 |
| Air pressure in pneumatic system, MPa, not less | 0,5 |
| Capacity of power plant, kW | 500* |
| Method of dust control | dry and water-air mixture |
| Speed of rig horizontal motion, km/h, not less | 2,0 |
|
Maximum
climbing angle on hard soil, deg with raised tower with lowered tower |
5 12 |
|
Average
unit ground pressure, MPa, not over crawler belts jack plates |
0,15 1,0 |
| Mains voltage, V |
24 D.C 6000/380 A.C.** |
| Height (with lowered tower) 5.5 | 5,5 |
| Design mass of rig, t 90 | 90 |
* During operation of compressor and transfer gear
from one motor.
** In case with electric motor.