Product Description
DFQ-400A air compressure dth hammer drill is a portable, efficient and multifunction crawler mounted drilling rig. It is mainly used in drilling water well, monitoring wells, geothermal projects and other deep holes, especially suitable for the high efficiency required concentrated geothermal projects working.
This machine can drill in various ground conditions with air compressor and DTH hammer drilling . It used full hydraulic controlling for drill tower lifting, drill rod installing and uninstalling, rotary and feeding, standing legs, hoist and moving, greatly reduce labor cost, improving working efficient and project quality.
Parameter
| Item | Parameter |
| Drilling caliber | φ115-305 |
| Max. drilling depth | 400m |
| Diameter of drill pipe | Φ76/89 |
| Unit Length of drill pipe | 3000mm |
| Work pressure | 1.2-2.5 MPa |
| Gas consumption | 16-34 m³/min |
| Impacter | DHD360\380 |
| Diesel engine | 84Kw/2200rpm |
| Electric motor | 55Kw/1480rpm |
| Gradeability | 20° |
| Walking speed | 0~2.2 Km/h |
| Ground clearance | 265mm |
| Leg cylinder stroke | 800 mm(1500mm) |
| System pressure | 20MPa |
| Propulsion | 7.5 tonf |
| Lifting force | 13 tonf |
| Fast lift | 16m/min |
| Fast propel | 30m/min |
| Hydraulic winch lift | 1000kg |
| Rotary torque | 5000-6000 N.m |
| Speed of spindle | Fast 70-120 rpm |
| | Slow 0-65 rpm |
| Weight | 6500 Kg |
| Dimension | 5400*2100*2300 mm |
Services
1.Professional techinical support pre-sale, sale and after-sale .
2.Your problems can get feedback in 8 hours and soloved in 24 hours.
3.Machine can be customized as per your requirement.
4.One year quality warranty.
5.Training: operation manual and DVD operation video, overseas installation is also available.
6.Spare parts are available in our factory at cost price for former customers.
Zhengzhou Defy Mechanical & Electrical Equipment Co., Ltd. locates in High-tech zone of Zhengzhou City, China. Our factory dedicates to manufacturing drilling rigs since 1970s, more than 40 years experience of production and development makes our product quality rank in the leading position at home and abroad. We are always seeking for ever greater perfection, keeping improving the production technology, offering better user experience.
Our drilling rigs are widely applicable for water well, farm irrigation, geological prospecting, small pile foundation, geothermal air-conditioner and so on, capable and functional. Our professional engineer and sales teams, offering technical support and useful advices whenever you need.
Benefiting from the excellent performance of our drilling rigs, as well as our professional service, we have established friendly business relations with clients all over the world. Our products are serving for projects in Africa, South America, United States, Asia and so on. We cordially look forward to cooperating with you, let's work together to realize win-win result!
