ZYJ Split-Type Hydraulic Rotary Drilling Rig for Coal Mine

Flexible Underground Drilling Solution with Separate Power Unit

Product Overview

The ZYJ Split-Type Hydraulic Rotary Drilling Rig is a compact underground drilling machine designed with a separate main unit and hydraulic power station.

This split design allows flexible installation and operation in confined underground environments, making it ideal for gas drainage, water detection, and geological exploration in coal mines.





Key Features

1. Split-Type Structure 

  • Main machine and power unit are separated
  • Flexible arrangement in underground spaces
  • Easy transportation and installation

2. Flexible Operation in Confined Spaces

  • Suitable for narrow and complex roadways
  • Can be installed in limited working areas
  • Improves adaptability underground

3. Hydraulic Rotary Drilling System

  • Stable rotation and smooth drilling
  • Reliable performance
  • Suitable for various geological conditions

4. Easy Maintenance

  • Power unit separated for convenient servicing
  • Reduced downtime
  • Lower maintenance cost

5. Wide Application Range

  • Gas drainage drilling
  • Water detection drilling
  • Geological exploration
  • Pressure relief drilling

Applications

  • Underground borehole drilling
  • Coal mine gas drainage
  • Confined space drilling operations
  • Geological prospecting

Typical Technical Specifications

Item Unit ZYJ-1350/230 ZYJ-1250/170 ZYJ-1100/160
Rated Pressure MPa 23 23 21
Rated Torque N·m 1350 1250 1100
Rated Speed r/min 230 170 160
Rated Flow L/min 95 65 58
Feed Force (Stage 1) kN 35 35 35
Feed Force (Stage 2) kN 50 50 50
No-load Feed Speed m/min 12 12 12
Return Speed m/min 12 12 12
Feed Stroke mm 1200 1200 1200
Guide Rail Length mm 2000 2000 2000
Max Working Height mm 2100 2100 2100
Min Working Height mm 620 620 620
Machine Weight kg 280 280 280
Flushing Water Pressure MPa 0.6 – 1.2 0.6 – 1.2 0.6 – 1.2
Drill Hole Diameter mm Φ50 – Φ150 Φ50 – Φ150 Φ50 – Φ150
Drilling Speed mm/min 300 300 300
Noise (Sound Pressure Level) dB(A) 92 92 92
Noise (Sound Power Level) dB(A) 108 108 108
Dimensions (L×W×H) mm 2400×500×2250 (±50) 2400×500×2250 (±50) 2400×500×2250 (±50)

Hydraulic Power Unit Parameters

Item Unit ZYJ-1350/230 ZYJ-1250/170 ZYJ-1100/160
Rated Pressure MPa 24 24 22
Rated Flow L/min 105 75 70
Motor Model YBK3-250M-4 YBK3-225S-4 YBK3-200L-4
Motor Power kW 55 37 30
Motor Voltage V 660 / 1140 660 / 1140 660 / 1140
Motor Current A 60.0 / 34.6 40.7 / 23.5 33.1 / 19.1
Dimensions (L×W×H) mm 1950×900×830 (±50) 1800×800×800 (±50) 1700×700×700 (±50)
Power Unit Weight kg 650 450 380

Control Console Parameters

Item Unit ZYJ Series
Console Weight kg 40
Dimensions (L×W×H) mm 570×560×1200 (±20)

Key Advantages for Buyers

  • ✔ Flexible installation in confined spaces
  • ✔ Easy transportation and relocation
  • ✔ Stable and efficient drilling performance
  • ✔ Cost-effective and easy maintenance

Contact Us

Contact us for detailed specifications, videos, and best quotation.
We provide reliable and cost-effective bolting solutions for global mining customers.

 

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