JK593G
Surface drill rig for drilling blast hole & photovoltaic hole
- Borehole diameter: 90-300mm
- Drill rod length: 3m
- Walking speed: 2.2 km/h , 3.6km/h
Crawler Mounted Hydraulic DTH Drilling Rig
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JK593G Surface Drilling Rig for Drilling Blasthole & Photovoltaic Hole
The crawler-mounted drilling rig is particularly designed for drilling big holes, such as blastholes and photovoltaic holes. Equipped with an enhanced gearbox and two rotation motors, the DTH drilling rig is further improved to deliver outstanding performance. The drilling rig is powered by a power unit composed of diesel engines and hydraulic oil pumps, with a hydraulic motor facilitating drilling, feeding, lifting, walking and hydraulic cylinder positioning.
Applications
The surface drilling rig is mainly used for photovoltaic hole and blasthole drilling, hydro-power engineering, open pit mining, road construction and blasting operation of national defense engineering.
Technical Specifications
| Model | JK593G |
| Borehole diameter | 90-300mm |
| Drill rod length | 3m |
| Working air pressure | 1.2-2.5MPa |
| Applicable rock hardness | f=6-20 |
| Feeding stroke | 4138mm |
| Max. horizontal drilling height | 3370mm |
| Rotation torque | 4200N•m |
| Rotation rate | 0-110rpm |
| Walking speed | 2.2/3.6km/h |
| Grade ability | 30° |
| Engine | Weichai |
| Power | 74kW |
| Dimension (L×W×H) | 7000×2400×2700mm |
| Weight | 7500kg |
| Dust collector (optional) | Hydraulic dry dust collector / wet dust collector |
Main Components
- Rotation unit
- The enhanced gearbox and two motors enable adjustment of two rotation speeds.
- Damper offers smooth and stable operation.
- It reduces the possibility of drill bits getting stuck in unconsolidated formation and increases the success rate of drilling holes.
- Imported rotary seals ensure reliable sealing performance and long service life
- Power system
- Imported hydraulic pumps and valves feature pressure resistance, large output, high quality and long service life.
- The turbocharged engine with power of 73.5 kW produced by Weichai provides strong driving forces, and it is easy to maintain.
- Two-stage air filter ensures intake of clean air, safety and reliability.
- Integrated oil-water cooler facilitates operation of motors and the hydraulic system in high heat environments.
- Maintenance-free feed system
- Hydraulic-mechanical lock system supports stable torque output of hydraulic motors while avoiding hydraulic leak and sliding.
- Control panel
- All-in-one control system enables complete controls over the drilling rig.
- The control system enables rapid feeding and lifting. The feeding force is adjustable based on different environments, which reduces drilling time and increases efficiency.
- Maintenance-free undercarriage
- Extended undercarriage lowers the center of gravity, increasing stability.
- Large-torque motors, along with a two-speed traveling system, provide strong driving forces that offer robust climbing capability and high speed.
- 4 leveling jacks are designed to angle to 10 degrees left and right to support drilling work in rough terrains.
- Maintenance-free wheels and tracks don’t need routine oiling.
- Track guards are equipped to prevent track from derailing.
- Two carousels and a standing control platform are equipped.
- Feeding system
- Enhanced feeding system with thick and wear-resistant guiderails delivers stable performance in feeding and lifting.
- The feeding system and the drilling arm are sturdy and stable, particularly designed for drilling big photovoltaic holes.
- Extended drilling arm enables multi-angle drilling and covers a fan-shaped area 20% larger than those of similar drilling rigs.
- Electronic control system
- The electronic control system adopts imported components that are reliable and with low failure rate.
- The system displaces operational parameters, prompts and warning.
- Optional inclinometer is available. An inclinometer can show the drilling angle and increase the precision of hole drilling.
What is blast hole drilling?
Blast hole drilling is one of the main surface drilling techniques used in mining. It involves packing a hole drilled on the surface of the rock with explosive material and detonating.
Blast hole drilling effectively induces cracks in the surrounding rocks, which facilitates subsequent drilling and mining steps.
What drilling equipment is used in surface mining?
The common drilling equipment includes rotary, top hammer, down-the-hole drilling rigs. From the perspective of drilling efficiency, the range of rocks and hole straightness, DTH drilling rigs are unparalleled.
What are the advantages of applying DTH drilling rigs in solar panel installation projects?
There is huge demand of installing solar panels in a large-scale photovoltaic project. In this case, it is necessary to drill holes in various rocks efficiently and rapidly. Among a wide range of surface drilling equipment, DTH drilling rigs perform well in terms of efficiency, adaptability to rocks and hole straightness.
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