HQZ-400L Pneumatic Drill Rig

HQZ-400L Pneumatic Drill Rig

The HQZ-400L Pneumatic Drill Rig is a professional crawler-mounted drilling machine designed for deep water well drilling, geological exploration, geothermal projects, mining investigation, and industrial drilling applications. Combining advanced pneumatic impact drilling technology with a powerful hydraulic rotary system, the HQZ-400L provides excellent drilling efficiency, strong rock penetration capability, and reliable operation in demanding environments.

The machine uses compressed air to drive a down-the-hole (DTH) hammer, delivering powerful impact energy directly to the drill bit. This drilling method improves penetration speed, enhances drilling stability, and is especially effective in hard rock formations.

The HQZ-400L Pneumatic Drill Rig adopts a heavy-duty steel track crawler chassis, providing excellent mobility and stability on uneven terrain. It can easily operate in mountains, construction sites, mining areas, and remote locations where traditional drilling equipment may have transportation limitations.

With a maximum drilling depth of approximately 400 meters, drilling diameter range of 130-325mm, and a powerful 110kW engine system, the HQZ-400L is designed to meet professional drilling requirements for medium and deep drilling projects.

The HQZ-400L Pneumatic Drill Rig is widely used for:

Water well drilling
Agricultural irrigation wells
Industrial water wells
Geothermal drilling
Geological exploration
Mining exploration
Engineering investigation
Rock drilling projects
Advanced Pneumatic DTH Drilling Technology

The HQZ-400L Pneumatic Drill Rig features advanced compressed-air-powered DTH drilling technology.

During drilling operation, compressed air drives the impactor located near the drill bit. The high-frequency impact force breaks rock efficiently while the rotary system maintains continuous drilling performance.

The pneumatic drilling system provides:

Strong impact force
Fast drilling speed
Efficient rock breaking
Excellent hard formation adaptability
Stable deep-hole drilling performance

Compared with conventional drilling methods, pneumatic drilling offers:

Higher efficiency in hard rock
Reduced drilling time
Lower energy loss
Easy maintenance
Reliable long-term operation

The HQZ-400L is an ideal solution for contractors requiring dependable drilling performance in challenging geological conditions.

Powerful 400m Deep Drilling Capability

The HQZ-400L Pneumatic Drill Rig is designed for medium-to-deep drilling applications.

Main performance advantages include:

Maximum drilling depth: 400m
Drilling diameter: 130-325mm
Strong lifting capacity
High rotary torque
Stable drilling pressure

Key specifications include:

Engine power: 92-110kW
Working pressure: 1.7-3.5MPa
Air consumption: 17-35m³/min
Lifting force: 25T
Rotary torque: 7000-9000N·m
Rotation speed: 45-115rpm

These specifications allow the HQZ-400L to handle various drilling applications while maintaining excellent productivity.

Heavy-Duty Steel Crawler Design

The HQZ-400L Pneumatic Drill Rig is equipped with a steel crawler chassis designed for field drilling operations.

The crawler system provides:

Excellent off-road capability
Strong climbing performance
Stable drilling platform
Better terrain adaptability
Easy movement between job sites

It can operate efficiently in:

Mountain regions
Remote areas
Construction sites
Mining zones
Uneven ground conditions

The crawler structure reduces transportation challenges and improves overall drilling efficiency.

Efficient Water Well Drilling Solution

The HQZ-400L Pneumatic Drill Rig is widely used for water well construction.

Applications include:

Agricultural irrigation wells
Industrial water wells
Rural water supply projects
Geothermal wells
Groundwater exploration

The powerful pneumatic impact system allows efficient drilling through rock layers while maintaining high drilling accuracy.

Advantages include:

Faster drilling progress
Improved borehole quality
Reduced downtime
Higher project efficiency
Excellent Hard Rock Drilling Performance

The HQZ-400L is designed for complex geological conditions.

It can effectively drill through:

Granite
Limestone
Basalt
Weathered rock
Hard rock layers
Mixed formations

The DTH hammer transfers impact energy directly to the bottom of the borehole, improving rock-breaking efficiency and reducing unnecessary power loss.

This makes the HQZ-400L suitable for:

Mining exploration
Geological investigation
Deep water wells
Rock drilling operations
High Torque Hydraulic Rotary System

The HQZ-400L combines pneumatic impact drilling with a reliable hydraulic rotary system.

The rotary system provides:

Strong torque output
Smooth rotation control
Stable drilling operation
Efficient drill pipe handling

The machine supports different drill pipe configurations, including:

89mm
102mm
108mm
114mm

depending on drilling requirements.

The high torque rotary system ensures stable operation when drilling larger diameter holes or difficult formations.

Durable Structure And Long Service Life

The HQZ-400L Pneumatic Drill Rig is manufactured for heavy-duty industrial applications.

Its durable construction includes:

High-strength steel frame
Reinforced drilling mast
Steel crawler chassis
Reliable hydraulic components
Wear-resistant drilling parts

Benefits include:

Longer equipment lifespan
Reduced maintenance costs
Improved operational reliability
Lower drilling expenses

The robust structure allows continuous operation in harsh working environments.

Easy Operation And Maintenance

The HQZ-400L Pneumatic Drill Rig is designed for operator convenience.

Advantages include:

Simple control system
Convenient maintenance access
Easy component inspection
Reduced training requirements
Improved working efficiency

Routine lubrication and inspection help maintain stable drilling performance and extend equipment service life.

Wide Application Areas
Water Well Drilling

Suitable for:

Farm irrigation wells
Industrial wells
Commercial water projects
Groundwater development
Geological Exploration

Applications:

Mineral exploration
Geological surveys
Rock sampling
Resource investigation
Mining Industry

Used for:

Exploration drilling
Mine development
Rock investigation
Borehole construction
Geothermal Projects

Suitable for:

Geothermal wells
Heat pump drilling
Underground energy projects
Main Features Of HQZ-400L Pneumatic Drill Rig
400m deep drilling capability
Pneumatic DTH drilling system
Steel crawler-mounted chassis
130-325mm drilling diameter range
110kW powerful engine
7000-9000N·m rotary torque
25T lifting force
Excellent hard rock drilling performance
Suitable for water wells and exploration
Durable heavy-duty construction

Why Choose Our HQZ-400L Pneumatic Drill Rig?
1. Powerful Drilling Capability

The HQZ-400L provides excellent drilling depth and strong penetration performance for professional projects.

2. Superior Hard Rock Performance

The pneumatic DTH system delivers powerful impact energy for efficient rock drilling.

3. Excellent Mobility

The crawler-mounted design allows operation in difficult terrains and remote areas.

4. Wide Application Range

Suitable for water wells, geothermal drilling, mining exploration, and geological projects.

5. Durable Industrial Design

High-quality components ensure reliable operation and long service life.

6. Professional Technical Support

We provide customized drilling solutions, spare parts, and technical assistance.

FAQS
1. What is the HQZ-400L Pneumatic Drill Rig used for?

The HQZ-400L is mainly used for water wells, geological exploration, geothermal drilling, mining exploration, and industrial drilling projects.

2. How deep can the HQZ-400L drill?

The HQZ-400L can achieve drilling depths of approximately 400 meters depending on geological conditions and drilling configuration.

3. What drilling diameter does the HQZ-400L support?

The drilling diameter range is approximately 130-325mm.

4. Is the HQZ-400L suitable for hard rock drilling?

Yes. The pneumatic DTH system provides strong impact force for hard rock formations.

5. What power source does the HQZ-400L use?

The machine uses a diesel engine combined with a compressed air drilling system.

6. Can the HQZ-400L drill geothermal wells?

Yes. It is suitable for geothermal drilling projects requiring deep and stable boreholes.

7. Why choose a crawler-mounted drilling rig?

Crawler systems provide better stability, mobility, and adaptability in difficult working environments.

8. Can the HQZ-400L be customized?

Yes. Different drilling tools, compressors, pumps, and accessories can be configured according to project requirements.