| Item | Unit | Data | ||
| Name | Rotary Drilling Rig with Lock Pipe | |||
| Model | GR700 | |||
| Max. Drilling Depth | m | 70 | ||
| Max. Drilling Diameter | mm | 1800 | ||
| Engine | / | Cummins 6BT5.9-C325 | ||
| Rated Power | kW | 242 | ||
| Rotary Drive | Max. Output Torque | kN.m | 220 | |
| Rotary Speed | r/min | 7-27 | ||
| Main Winch | Rated Pulling Force | kN | 180 | |
| Max. Single-rope Speed | m/min | 50 | ||
| Auxiliary Winch | Rated Pulling Force | kN | 30 | |
| Max. Single-rope Speed | m/min | 50 | ||
| Inclination of the Mast Lateral / Forward / Backward | / | ±5/5/15 | ||
| Pull-Down Cylinder | Max. Pull-down Piston Push Force | kN | 180 | |
| Max. Pull-down Piston Pull Force | kN | 180 | ||
| Max. Pull-down Piston Stroke | mm | 5000 | ||
| Chassis | Max. Traveling Speed | km/h | 1.5 | |
| Max. Grade Ability | % | 30 | ||
| Min. Ground Clearance | mm | 370 | ||
| Track Board Width | mm | 800 | ||
| System Working Pressure | Mpa | 35 | ||
| Machine Weight (Exclude Drill Tools) | t | 66 | ||
| Overall Dimension | Working Status L×W×H | mm | 10260×4440×22100 | |
| Transportation Status L×W×H | mm | 16360×3250×3700 | ||
Remarks:
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1.Special hydraulic telescopic crawler chassis, large diameter slewing support, with super stability and convenient transportation; 2.Engines adopt internationally renowned brands with strong power, energy saving and environmental protection. Three-package service outlets are all over the country; 3.The main hoisting structure of the rear single-row rope greatly prolongs the service life of the wire rope and reduces the use cost; 4.Various drill pipe configurations can be selected to meet the construction of large-hole deep pile in hard stratum; 5.Hydraulic circuit system adopts international advanced concept and is specially designed for rotary drilling rig. It has the characteristics of stable rotation and fast hoisting speed; 6.The power head is designed with lightweight, strong torque, high construction efficiency and stepless speed change of two motors.