RM-800 hydraulic multifunctional drilling rig can perform high-pressure jet grouting. High-pressure jet grouting is a new method of strengthening soil developed on the basis of ordinary chemical grouting. It uses the jet action to cut and mix the soil, change the structure and composition of the original stratum, and at the same time pour cement slurry or composite slurry to form a condensate, so as to achieve the purpose of strengthening the foundation and preventing seepage.
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Hydraulic multifunctional drilling rig Construction process
Drilling and grouting pipe Lifting jet grouting The jet grouting is finished and the pile is formed.
Main Technique Specifications:
Description | Unit | Data | ||
Engine | Model |
|
L9CS4264C(IV) | |
Rated power/speed | kW | 179/(2200r/min) | ||
Rotary head (HB-500C) | low operation | Max.Torque | N.m | 19000-22000 |
Rotate speed | r/min | 42 | ||
fast operation | Max.Torque | N.m | 9500-11000 | |
Rotate speed | r/min | 84 | ||
Max.speed | r/min | 146 | ||
Impact frequency | bpm | 1200-1500/1800-2300 | ||
Impact force | N.m | 950-1200 | ||
Hydraulic system | Main pump Max.pull-down piston push | Mpa | 28 | |
Main pump | L/min | 180+180 | ||
Auxiliary pump | L/min | 20+16 | ||
Hydraulic oil tank capacity | L | 400 | ||
Winch | Line pull(1st layer) | kN | 10 | |
Maximum rope speed | m/min | 30 | ||
Rope diameter | mm | 12 | ||
Rope capacity | m | 40 |
Description | Unit | Data | |
Hoist&Feed system | Feed type |
|
Motor+chain |
Feed stroke | mm | 4800 | |
Maximum hoist pull | kN | 100 | |
Maximum feed force | kN | 100 | |
Maximum hoist pull speed | m/min | 40 | |
Maximum feed speed | m/min | 40 | |
Undercarriage | Travelling speed | km/h | 3 |
Max.climbable gradient of the overall unit |
|
26.5 | |
Track shoe width | mm | 600 | |
Over allwidth | mm | 2820 | |
Overall length | mm | 4080 | |
Average ground pressure | kPa | 66 | |
Clamps | Nominal size | mm | 60-300 |
Maximum Clamping force | kN | 300 | |
Maximum breaking torque | kN ·m | 45 | |
Construction parameters | Max.parallel height | mm | 11500 |
Max.borehole diameter | mm | 300 | |
Max.driling depth | m | 200 | |
Dimension in transport condition (L×W×H) | mm | 11500*2800*3150 | |
Weight of overall unit (standard configuration) | Kg | 32000 |