DTH drilling rig
Excavator-Converted DTH drilling rig: A construction machinery that converts an excavator into a multi-functional drilling device quickly without modifying the excavator's main structure. It utilizes the excavator's built-in hydraulic circuit for the breaker hammer, and connects to a dedicated DTH drilling head via a hydraulic distribution valve/conversion device. Integrating the high mobility of an excavator with the strong rock-breaking and drilling capacity of a professional drilling rig, it achieves the effect of "one machine with multiple functions"
Application Scenes
Core application scenarios:
1 Mining: Open-pit blasting holes, stone splitting holes.
2 Photovoltaic: Mountain photovoltaic pile holes (high efficiency on steep slopes).
3 Slope: Anchoring and cable holes, dangerous rock removal.
4 Tunnel: Pipe shed holes, bolt shallow holes.
5 Infrastructure: Guardrail foundation holes, small pile foundations.
Related Applications
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Product Principle
The DTH drilling rig uses the oil source of the rock breaker from the hydraulic system of an excavator, which provides power for rotation and propulsion by using valve group. Besides, compressed air from the air compressoris is introduced to the impactor to realize the impact function. Thereby, the complete integration of drilling holes in the rocks , slag discharge and dust blowing is achieved.
Product Advantage
1 Strong adaptability to complex Terrain（mountains, steep slopes and muddy ground）
2 360° rotation and multi-angle drilling (vertical / horizontal / tilting / lateral)
3 Hard rock drilling speed: 1–2m/min
4 Multi-functional in one machine (excavating / drilling / breaking / slag cleaning),
5 Function switching in 30 minutes after modification.
6 Safe & Easy to Operate
7 Operated in the cab, keeping operators away from the drill hole, with dust reduction and environmental protection
Technical Specifications
| Parameter/model | ZDSF-90 | ZDSF-150-A | ZDSF-150-B | ZDSF-200 | ZDSF-250 | ZDSF-300 | -- |
|---|---|---|---|---|---|---|---|
| Drilling diameter | 90-105mm | 110-130mm | 135-155mm | 155-190mm | 190-254mm | 254-311mm | -- |
| Drilling depth | ≤30m/min | ≤30m/min | ≤30m/min | ≤20m/min | ≤20m/min | ≤20m/min | -- |
| Swing torque | 1400N.m | 3000N.m | 3000N.m | 3800N.m | 3800N.m | 4000N.m | -- |
| Recommended drilling speed | 40-60rpm | 40-60rpm | 40-60rpm | 30-50rpm | 30-50rpm | 30-50rpm | -- |
| Lifting force | 20kn | 20kn | 25kn | 20kn | 30kn | 30kn | -- |
| Drill rod | 60*2/3m | 76*2/3m | 76*2/3m | 76/89/102*2/3m | 76/89/102*2/3m | 102/114*2/3m | -- |
| Impactor | HD35A | HD45A | HD55A | HD65A | HD65A | HSD10A | -- |
| External diameter of impactor | 82mm | 99mm | 125mm | 148mm | 185mm | 226mm | -- |
| Matching diesel air compressor | 10/10 | 15/14.5&18/17 | 15/14.5&18/17 | 18/17 | 18/17&22/20 | 22/20 | -- |
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