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ZLJ-650 Grouting Drilling Rig

The ZLJ-650 grouting drilling rig is an underground hydraulic drilling machine designed for mine grouting, tunnel reinforcement, foundation reinforcement, anchoring drilling and geological exploration. The drilling rig supports 360° drilling, making it suitable for underground construction and confined working environments.

With medium torque, stable hydraulic system and compact structure, the ZLJ-650 drilling rig is widely used in coal mines, tunnels, hydropower projects, railway construction and civil engineering projects.

The ZLJ series drilling rigs are specially designed for grouting drilling, anchoring drilling and underground engineering drilling.

ZLJ-650

360° drilling angle for underground drilling
Hydraulic feeding system improves drilling efficiency
Medium torque suitable for rock and soil drilling
Compact structure for narrow working environments
Stable hydraulic system and easy operation
Suitable for grouting holes, anchor holes and exploration holes
Electric motor drive, reliable performance
Easy transportation and maintenance

High Efficiency
Durable
Precise
Flexible

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Parameter Table

Application

Technical Specifications

Parameter	ZLJ-650
Drilling Depth	200 m
Drill Pipe Diameter	42 mm
Hole Diameter	45 / 55 / 65 / 75 / 85 / 110 mm
Drilling Angle	0–360°
Spindle Diameter	42 mm
Spindle Speed	88 / 150 / 270 rpm
Max Torque	650 N·m
Feed Stroke	400 mm
Feed Force	30 kN
Lifting Force	50 kN
Pump Flow	20 L/min
Pump Pressure	12.5 MPa
Hydraulic System Pressure	8 MPa
Motor Power	7.5 kW
Voltage	380 / 660 V
Machine Size	1200 × 700 × 1280 mm
Weight	500 kg

All specifications are optimized for stable operation and maximum efficiency. Custom configurations are available upon request.

Application Scenario

The ZLJ-650 grouting drilling rig is widely used for:

🔹 Mine grouting reinforcement

🔹 Tunnel reinforcement drilling

🔹 Anchor drilling

🔹 Foundation reinforcement

🔹 Dam grouting engineering

🔹 Geological exploration drilling

🔹 Slope anchoring projects

🔹 Underground engineering drilling

We supply the full ZLJ series grouting drilling rigs: ZLJ-350, ZLJ-650 , ZLJ-1200, Different models are suitable for different drilling depths and rock formations.Explore more real-world drilling applications and project scenarios to find the right solution for your needs. ☛ View More

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ZLJ-350

Drilling depth : 150m
Drill diameter: Φ42mm
Diameter of geological drill bit: Φ50~Φ113mm
Borehole diameter: Φ56~Φ113mm
Boring Angle: 0~360°
Vertical axis speed: 112,192,340r/min
Vertical axis torque: 400,230,130N.m
Give the process: 400mm
Hydraulic system rated pressure : 8MPa

ZLJ-1200

: High torque up to 1200 N·m
: Drilling depth up to 200–250 m
: 360° drilling angle
: Hydraulic feeding system
: Stable performance for hard rock drilling
: Compact structure for underground work
: Suitable for deep hole grouting
: Electric motor driven

YPB Series

: Huge splitting force up to 960 tons
: No blasting required
: No vibration, low noise
: Safe and environmentally friendly
: Suitable for rock and reinforced concrete
: Hydraulic system ensures stable performance
: Easy operation and maintenance
: Multiple models for different hole diameters
: Can work with drilling rigs and air compressors
: Ideal for quarry and mining projects

KQD -70

: Small in size and light in weight, suitable for places where large and medium-sized drilling rigs cannot perform operations
: Convenient and flexible
: Powered by electricity, with low noise and strong power
: Drilling speed is 3–8 times that of a typical rock drill
: Capable of drilling rock with hardness up to level 20
: Drilling depth per hour: 8–16 meters

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