Products
Products - Reverse Circulation Drilling Rig
Special Features
BR series is a kind of foundation construction hydraulic equipment with a inclined rotary head driving drilling tools especially good large diameter construction. It features small size, light weight, easy movable, easy for platform construction, etc. The main body of the machine adopts the dismountable and compact structure easy for transportation, repair and maintenance. BR series is mainly applied for the large diameter grouting pile construction of railways, roads, ports, high buildings and crossing sea bridges at Max 200MPa
| Model | BR25 | BR30 | BR35 | BR40 |
|---|---|---|---|---|
| Hole diameter(mm) | 2.5 | 3.0 | 3.5 | 4.0 |
| Hole depth(m) | 150 | 150 | 150 | 150 |
| Angle of the guide frame(°) | 120 | 150 | 160 | 200 |
| Angle of the rotary head(°) | 30 | 30 | 30 | 30 |
| Jib crane(T) | 45 | 45 | 45 | 45 |
| Lifting force（kN） | 1.2 | 1.5 | 1.5 | 1.5 |
| Speed of rotary head(rpm) | 4-20 | 4-20 | 4-20 | 4-16 |
| Torque of rotary head(kN·m) | 6 | 10 | 12 | 15 |
| Stroke of rotary head(mm) | 3.6 | 3.6 | 3.6 | 4.15 |
| Rod diameter(mm) | 351×20 | 377×22 | 377×24 | 377×28 |
| Input power(kW) | 165 | 230 | 255 | 330 |
| Dimension(mm) | 4.0×3.8×7 | 4.0×4.1×7.3 | 4.8×4.5×7.3 | 5.4×5.1×7.3 |
| Weight(Kg) | 25 | 35 | 37 | 43 |
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