| Parameter | Value |
|---|---|
| Model | SANY SR220C |
| Max. Output Torque of Power Head | 220 kN·m |
| Rotation Speed of Power Head | 7–26 rpm |
| Max. Drilling Diameter | 2300 mm |
| Max. Drilling Depth | 66 m (friction rod); 52 m (mechanical locking rod) |
| Max. Push-down Force | 180 kN |
| Max. Pulling Force | 240 kN |
| Max. Lifting Force of Main Winch | 240 kN |
| Max. Lifting Speed of Main Winch | 70 m/min |
| Max. Lifting Force of Auxiliary Winch | 98 kN |
| Max. Lifting Speed of Auxiliary Winch | 70 m/min |
| Engine Model | Mitsubishi 6D24-TL / CAT C9STH (optional) |
| Engine Rated Power/Rotation Speed | 250 kW @ 2000 rpm |
| Operating Weight | 70–74 t |
| Transport Dimensions (L×W×H) | 14986 × 3000 × 3385 mm |
| Track Plate Width | 800 mm |
| Track Gauge | 4490 mm |
| Max. Working Pressure of Main Pump | 32 MPa (reference) |
Efficient rock penetration SANY SR220C Rotary Drilling Rig
Description
Detailed description
Description
Strong power, efficient rock penetration
250 kW high horsepower engine+220 kN · m torque, leading in the same class, with fast drilling speed in highly weathered rock/gravel layers, and an efficiency 15% -20% higher than other models in the same class.
The main winch has a lifting force of 240 kN, making it easy to pull out pipes and lift drills, and preventing drilling from getting stuck in deep holes or hard formations.
Strong hole capability and wide adaptability to working conditions
2.3 m large diameter+66 m deep hole, covering the mainstream demand for high-rise residential buildings, factories, municipal bridges, and railway pier foundations.
The mast has strong rigidity, automatic sag adjustment, hole verticality ≤ 1/300, stable quality, and minimal rework.
Reliable and durable, with minimal downtime
Finite element analysis of key structural components+robot welding+100% non-destructive testing, fatigue and impact resistance.
The hydraulic/electronic control core components adopt international brands such as Kawasaki and Rexroth, with low failure rate and long service life.
The track, drive wheel, and guide wheel are thickened and reinforced, wear-resistant and durable, and have strong adaptability to construction sites.
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