High Torque Anchor Drill Rig: Efficient Rock Breaking Solution for Hard Rock Support Engineering

Publication Date: Jul 23, 2025
In hard rock support scenarios such as mines and tunnels, the high torque anchor drill rig is a core equipment to break through hard geological conditions, and its torque output directly determines rock breaking efficiency and support quality. From hard rock roadways to high slope reinforcement, the high torque anchor  drill rig, relying on its powerful power head performance, has become the preferred choice for construction under complex geology. This article analyzes the selection points and application advantages of high torque anchor drill rigs to help you match suitable equipment.

1. Core Value of High Torque Anchor Drill Rig: "Power Guarantee" for Hard Rock Breaking

The high torque anchor  drill rig achieves efficient hard rock breaking through a high-torque power head (≥3500N·m). Compared with ordinary models, the single-hole construction time is shortened by more than 40%. In hard rock geology with f≥8 such as granite and basalt, the high torque anchor drill rig can avoid problems such as drill jamming and boring, ensure continuous drilling operations, and reduce construction delays caused by insufficient equipment power.

2. Key Performance Indicators of High Torque Anchor Drill Rig

Torque Parameters: Hard rock engineering requires the high torque anchor drill rig to have a rated torque of ≥4000N·m, and the peak torque can reach more than 5000N·m to ensure stable power when breaking hard rock formations.

Impact Coordination: Equipped with a high-frequency impact function with an impact frequency of ≥55Hz, the high torque anchor  drill rig needs to realize dual-mode switching of "high torque + high-frequency impact" to adapt to different lithologies.

Stability Design: The body weight is ≥8 tons, and the deployment width of hydraulic outriggers is ≥3.5 meters to ensure that the body of the high torque anchor drill rig does not shake during high-load operations.

3. Adaptation Strategies of High Torque Anchor Drill Rig in Different Scenarios

Deep Mine Roadways: Choose a low-profile high torque anchor   drill rig with a body height of ≤2.3 meters. The drill arm, after folding, has a width of ≤2.8 meters to adapt to hard rock support in narrow underground spaces.

Open-Pit High Slope Reinforcement: Prioritize long drill arm high torque anchor  drill rigs with a drilling depth of more than 8 meters. Cooperated with a high-pressure grouting system (3-6MPa), it can strengthen the overall stability of the slope. 

Tunnel Hard Rock Section Support: The high torque anchor drill rig must be equipped with an automatic overload prevention device, which automatically shuts down when the torque exceeds 10% of the rated value to avoid damage to the power head.

4. Operation and Maintenance Specifications for High Torque Anchor Drill Rig

Torque Adjustment: Adjust the output torque in real-time according to lithology (2000-3000N·m for soft rock, 4000-5000N·m for hard rock), following the "graded output" principle of the high torque anchor drill rig.

Power Head Maintenance: Replace the hydraulic oil filter element every 200 hours of operation and check the lubrication of the gearbox, which is the key to extending the service life of the high torque anchor drill rig.

Hengwang Group Anchor Drill Rig: A Reliable Carrier of High Torque Performance 

Hengwang Group's 8m anchor  drill rig is equipped with a high-torque power head, perfectly adapting to the hard rock operation needs of the high torque anchor drill rig. The equipment's torque can be dynamically adjusted (2000-5000N·m), and the impact frequency is adjustable from 50-60Hz, meeting the construction needs of different hard rock geologies. The body adopts a reinforced structural design, maintaining stability under high loads and providing a solid guarantee for the efficient operation of the high torque anchor drill rig. Relying on the "four-dimensional integration" service system, Hengwang provides customized training and maintenance support for the high torque anchor drill rig to ensure the continuous and stable performance of the equipment.

Take Action Now: Leave your project's geological type and drilling depth requirements to obtain an exclusive selection plan for the high torque anchor drill rig, and the Hengwang technical team will respond within 24 hours! The performance of the high torque anchor drill rig directly determines the efficiency and safety of hard rock support engineering. Choosing a suitable high torque anchor drill rig can make hard rock construction no longer hindered.

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