285KN New Sr285 Rotary Drilling Rig pile driver for sale
Product Description
can supply with all kinds of standard drilling tools, including DBB-II, DBB-III, CB and so on. For
Special geological conditions, can also provide special drilling tools accordingly to improve working efficiency. The latest special drilling tools developed are as follows:
Pilot drilling bucket
Integrate bailing bucket and barrel; The design of arc reinforcing plate, outside of reinforcing plate welded with transition bending plate; Hinge is made of high tension steel; Applicable layers: Cave, occlusal pile.
Core barrel with centralizer
Suitable for stage drilling of large diameter bore hole; The cutting teeth and roller bits are interchangeable;
Centralizer supports the hole wall to avoid drilling an inclined hole; Applicable layers: Medium or slightly decomposed bedrock, hard or superhard bedrock.
Underreaming bit
Adjustable reamer arms can meet the specific requirements of different bore hole diameters; After drilling operation, convey soil with bailing bucket or scouring bit; Reamer arms are easy to spread and retract; Box type structure is easy to service; Applicable layers: Hard stratum, frozen soil and medium soft rock.
Technical Parameters
| Main performances |
Unit |
Parameters |
| Drlling |
| Max.drilling diameter |
mm |
2300 |
| Max.drilling depth(friction/locking) |
m |
88/57 |
| Rotary Drive |
| Max. torque |
kN.m |
285 |
| Speed of rotation |
rpm |
5-24 |
| Crowd system |
| Crowd force |
kN |
260 |
| Line pull |
kN |
260 |
| Stroke |
mm |
6000 |
| Main winch |
| Line pull(1st layer) |
kN |
315 |
| Rope diameter |
mm |
36 |
| Max. line speed |
m/min |
60 |
| Auxiliary winch |
| Line pull(1st layer) |
kN |
90 |
| Rope diameter |
mm |
20 |
| Max. line speed |
m/min |
70 |
| Mast inclination |
| Forward |
° |
5 |
| Lateral |
° |
±4 |
| Base machine |
| Overall height |
mm |
24425 |
| Operating weight |
kg |
98000 |
Product Pictures
Company Information
Audited Supplier 
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