Product Introduction of DFQ-300 Drilling Rig Machine
DFQ series drilling rig is a kind of light weight, high efficiency and multi-function drilling equipment, it is suitable for drilling water wells, agricultural irrigation well, geothermal air-conditioning hole and other uses, especially for water engineering in mountainous and rock areas. It is much more efficient than the traditional rotary drilling rigs ,can create very considerable economic benefit for users. DFQ series drilling rig solves the problems to drill very hard rocks, gravel, pebble stratum that the traditional drilling rigs are difficult to drill, DFQ series can work efficiently under all kinds of geological structure.
Parameters of DFQ-300 Drilling Rig Machine
| DFQ-300 Drilling Rig Machine | |||
| No | Item | Parameter | |
| 1 | Drilling caliber | Φ105-400mm | |
| 2 | Max. drilling depth | 300m | |
| 3 | Diameter of drill pipe | Φ89,Φ102 | |
| 4 | Unit Length of drill pipe | 3000mm | |
| 5 | Work pressure | 1.05-3.0 MPa | |
| 6 | Gas consumption | 10~36 m³/min | |
| 7 | DTH hammer | DHD360\380 | |
| 8 | Apply to rock hardness | f=6-12 | |
| 9 | Power | 108Kw/2000rpm, about 150 PS | |
| 10 | Gradeability | 25° | |
| 11 | Walking speed | 0~2.5 Km/h | |
| 12 | Ground clearance | 280mm | |
| 13 | Leg cylinder stroke | 800 mm(1500mm) | |
| 14 | Promotion oil cylinder stroke | 2200mm | |
| 15 | System pressure | 20MPa | |
| 16 | Propulsion | 7.0 tonf | |
| 17 | Lifting force | 15 tonf | 3 grades |
| 18 | Speed of spindle | Fast 95/115/135 rpm | |
| Slow 52/60/65 rpm | |||
| 19 | Rotary torque | 4000/8000 N.m | |
| 20 | Weight | 8800 Kg | |
| 21 | Dimension | 4550×2100×2950 mm | |
Working of DFQ Drilling Rig Machine
More Models for Your Choice:
| Model | Max. Drilling Depth | Drilling Caliber | Chasis |
| DFQ-100 | 100 m | 105-150 mm | crawler |
| DFQ-100W | 100 m | 105-150 mm | trailer |
| DFQ-150 | 150 m | 105-203 mm | crawler |
| DFQ-150W | 150 m | 105-203 mm | trailer |
| DFQ-200 | 200 m | 105-203 mm | crawler |
| DFQ-200W | 200 m | 105-203 mm | trailer |
| DFQ-300 | 300 m | 105-305 mm | crawler |
| DFQ-400 | 400 m | 105-400 mm | crawler |
| DFQ-500A | 500 m | 115-350 mm | crawler |
DEFY Service
1.Professional technical support pre-sale, sale and after-sale .
2.Your problems can get feedback in 8 hours and be solved 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.
About Us
Zhengzhou Defy Mechanical & Electrical Equipment Co.,Ltd. locates in High-tech zone of
Zhengzhou city, China.
Our factory dedicates in manufacturing drilling rig 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. 
