Kaishan drilling rigs
Underground Down-the-Hole Drilling Rigs
Underground DTH drill — KSQ31 for downhole hammer drilling in underground operations.
Applications
- Underground mining
- Downhole hammer drilling
- Water & ventilation holes
Key features
- ✓DTH hammer drilling for underground use
- ✓Straight, deep holes in hard rock
- ✓Blast, water and ventilation holes
Quick Selection Guide
Use the published hole range, drive arrangement and duty notes to narrow the Underground Downhole Series range before opening a model page.
Deep straight holes in hard rock (underground)
Underground DTH for blast, water and ventilation holes; confirm hammer size and air supply.
Not sure which model fits your project? Send your hole diameter, depth, site conditions and compressor requirement — we will confirm the match before quotation.
Full Specification Comparison
Compare all models below. Click any model name to view full specifications and inquiry details.
| Model | Machine | Hole diameter (mm) | Drilling depth (m) | Weight (kg) |
|---|---|---|---|---|
| KSQ31 → | KSQ31 Downhole Mining Drilling Rig | 90–125 mm | 50 m | 10000 kg |
Complete specifications by model
KSQ31 →
- Dimensions & weight — Overall dimensions (L × W × H)
- 5525 × 2375 × 2975 mm
- Dimensions & weight — Weight
- 10000 kg
- Performance & mobility — Climbing capacity
- 20°
- Performance & mobility — Tramming speed
- 1.5 / 3 km/h, double speed
- Performance & mobility — Ground clearance
- 355 mm
- Diesel engine
- YCF3675-T480; 55.8 kW
- Electric motor
- Y250M-4; 55 kW
- Working voltage
- 380 V
- Starting method
- Star-triangle
- Length of reel cable
- 80 m
- Drilling capability — Rock hardness
- f=6-20
- Drilling capability — Drilling diameter
- Φ90-125 mm
- Drilling capability — Economical drilling depth
- 50 m
- Drilling capability — Drill rod diameter
- Φ76 mm
- Drilling capability — Drill rod length
- 1.2 m (open-hole drill rod 0.8 m)
- Drilling capability — Number of rods
- 24+1
- Rotary speed
- 0-120 rpm
- Rotary torque
- 1900 N·m
- Propulsion beam length
- 3155 mm
- Feed stroke
- 1355 mm
- Lifting force
- 25 kN
- Lifting angle of drill boom
- Front 20° / back 65°
- Swing angle of drill boom
- 360°
- Ring angle
- 360°
- Parallel borehole range
- 3052 mm
- Air pressure
- 10-25 bar
- Air consumption
- 10-22 m³/min
- Dust-catching method
- Wet
- Operational mode
- Hydraulic pilot + cable remote control
- Protection roof
- Resistant to rolling and rock-fall
- Roadway working range
- Width 3.2-8 m; height 3.2-5 m; subject to final configuration confirmation
Configuration & customization
Each rig can be configured to your project. Standard and optional packages include:
- Dust collection
Frequently asked questions
What applications is this series suited to?
Underground mining, Downhole hammer drilling, Water & ventilation holes.
Can the equipment be configured to my project?
Yes — standard and optional packages are listed under Configuration & customization above. Send your project details through the inquiry form and we will confirm the matching configuration.
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