HQR 280D Rotary Driling Rig
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- General Arrangement, Dimensions and Transportation Dimension
Features
1. The main winch is located at the bottom of the drilling mast to offer the best angle for checking line work. The unique design in the line roll prolongs the service life of the steel line and enhances construction safety.
2. The hydraulic system uses an advanced load-feedback technology. The hydraulic liquid is allocated to different parts according to operation requirements. The key parts (pump, motor, valve, pipe and joint) ensure the reliability, and come from internationally known brands.
3. The CAT336D undercarriage and up structure allows the crawler to adjust between 3,000 and 4,300mm. The customers can choose the counterweight and increase the weight to improve stability and reliability.
Technical Parameter:| Model | |
| Maximum output torque(KN.m) | 306 |
| Maximum drilling depth(m) | 85 |
| Maximum drilling diameter(mm) | 2500 |
| Engine brand | CAT |
| Engine model | C-9EFI |
| Engine power(KW) | 261 |
| Undercarriage model | CAT336D |
| Traction force(KN) | 510 |
| Drilling speed(rpm) | 6/24 |
| Maximum crowd push force(KN) | 185/200 |
| Stroke of sledge(mm) | 5500 |
| Main winch pull(1st layer) | 265 |
| Main winch wire rope diameter(mm) | Φ 32 |
| Maximum main winch line speed(m/min) | 65 |
| Auxiliary winch line pull(1st layer)(KN) | 110 |
| Auxiliary winch wire rope diameter(mm) | Φ 20 |
| Auxiliary winch line speed(m/min) | 70 |
| Overall width in drilling position(mm) | 4300/23058 |
| Overall L/H/W transport position(mm) | 16200/3000/3470 |
| Total weight (t) | 80 |
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