ZQJC Column-Mounted Pneumatic Drilling Rig

Stable & Explosion-Proof Drilling Solution for Underground Coal Mines

Product Overview

The ZQJC Column-Mounted Pneumatic Drilling Rig is a high-efficiency, air-powered drilling machine designed for underground coal mine operations.

It adopts a column support structure to absorb drilling vibration and counter-torque, ensuring excellent stability and precision. Powered by compressed air, it is inherently explosion-proof and ideal for high-gas environments.

Widely used for gas drainage, water detection, pressure relief, and geological exploration.

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ZQJC Column-Mounted Pneumatic Drilling Rig are mainly used for probing geological structures in coal seams, water exploration and drainage, gas injection in coal seams, and pressure release drilling.

This machine overcomes the weight of the drilling rig and the counter-torque generated during operation by using a column support. This portable drilling rig features safety and explosion protection, high speed, small weight, small size, high efficiency, simple structure, and convenient maintenance. Therefore, this drilling rig offers high working efficiency, good support quality, low labor intensity for workers, and low drilling costs, making it an essential piece of equipment in the coal mining industry.

Key Features

1. Column Support Structure (Core Advantage)

Strong support column absorbs vibration
Improves drilling accuracy and stability
Suitable for fixed-point drilling

2. Pneumatic Drive – 100% Explosion-Proof

Powered by compressed air
No electrical components
Safe for high methane environments

3. 360° Multi-Angle Drilling

Full rotation drilling capability
Vertical and horizontal drilling supported
Flexible for complex underground conditions

4. High Efficiency & Strong Power

High torque pneumatic motor
Optimized air circuit design
Higher drilling efficiency than traditional rigs
5. Independent Feeding System
Independent motor for feed mechanism
Balanced power distribution
Improved drilling speed and efficiency

6. Stepless Speed Control

Forward & reverse rotation
Adjustable rotation and feed speed
Smooth and precise drilling control

7. Lightweight & Modular Design

Easy to transport underground
Can be assembled/disassembled quickly
Operated by 1–2 workers

Applications

Gas drainage drilling
Water detection drilling
Pressure relief holes
Coal seam exploration
Borehole drilling in underground roadways

Typical Technical Specifications

Key Advantages for Buyers

✔ Explosion-proof air-powered system
✔ High stability for precise drilling
✔ Multi-angle drilling capability
✔ Lightweight and easy to transport
✔ Ideal for gas-rich underground environments

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