Structured Manufacturing Data (2026)

Rock Bolting Rig

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Rock Bolting Rig used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Rock Bolting Rig is characterized by the integration of Drilling Boom and Rotary-Percussive Drill Head. In industrial production environments, manufacturers listed on CNFX commonly emphasize High-strength steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A specialized drilling machine used to install rock bolts for ground support in mining, tunneling, and civil engineering applications.

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Product Specifications

Technical details and manufacturing context for Rock Bolting Rig

Definition
A rock bolting rig is a heavy-duty, mobile drilling machine specifically engineered for installing rock bolts, which are long anchor bolts used to stabilize rock formations and prevent collapse in underground excavations. These rigs are essential in mining operations, tunnel construction, slope stabilization, and other geotechnical engineering projects where ground support is critical for safety and structural integrity. They typically feature hydraulic or pneumatic drilling systems, automated bolt insertion mechanisms, and precise positioning capabilities to work in challenging underground environments.
Working Principle
The rock bolting rig operates by first drilling a hole into the rock face using a rotary-percussive or rotary drilling mechanism. Once the hole reaches the required depth, a rock bolt (typically a steel rod with expansion shells or resin anchoring systems) is inserted into the hole. The rig then activates the bolt installation system, which may involve rotating the bolt to mix resin cartridges, expanding mechanical anchors, or tensioning the bolt to create a secure anchor point. Hydraulic or pneumatic power systems provide the necessary force for drilling and bolt installation, while control systems manage positioning, depth measurement, and installation parameters.
Common Materials
High-strength steel, Hardened alloy components, Industrial-grade hydraulic systems
Technical Parameters
  • Maximum drilling depth capacity (meters) Standard Spec
Components / BOM
  • Drilling Boom
    Provides positioning and support for the drilling mechanism, allowing precise hole placement
    Material: High-strength steel with hydraulic actuators
  • Rotary-Percussive Drill Head
    Combines rotational and impact forces to drill holes in rock formations
    Material: Tungsten carbide drill bits with hardened steel components
  • Bolt Feeder Mechanism
    Automatically feeds rock bolts into drilled holes and positions them correctly
    Material: Steel construction with hydraulic or pneumatic actuators
  • Hydraulic Power Unit
    Provides hydraulic power for drilling, positioning, and bolt installation operations
    Material: Steel housing with hydraulic pumps, valves, and reservoirs
  • Operator Cabin
    Protected enclosure for the operator with control systems and environmental controls
    Material: Steel frame with safety glass and climate control systems
  • Dust Collection System
    Captures and filters drilling dust to maintain air quality in underground environments
    Material: Steel ducting with filtration media

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Rock Bolting Rig.

Rock Bolt Drill Ground Support Rig Bolt Installation Machine Mining Bolter heavy duty rock bolting rig for mining hydraulic rock bolt drilling machine tunneling ground support bolting equipment high torque rock bolt installation rig industrial rock bolting machine with dust collection

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 25 MPa hydraulic system pressure
flow rate: 30-120 L/min hydraulic flow
temperature: -20°C to +50°C
slurry concentration: Up to 40% solids by weight for grouting applications
Media Compatibility
✓ Hard rock formations (granite, basalt) ✓ Coal mine strata ✓ Tunnel lining in sedimentary rock
Unsuitable: Underwater or submerged applications without specialized sealing
Sizing Data Required
  • Maximum drilling depth (meters)
  • Rock hardness/strength (MPa or UCS)
  • Required bolt diameter and type (mm)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Hydraulic cylinder seal failure
Cause: Contamination from rock dust and debris entering hydraulic fluid, combined with high-pressure cycling causing seal degradation and extrusion
Drill head bearing seizure
Cause: Inadequate lubrication due to dust ingress and water contamination, leading to abrasive wear and eventual thermal seizure under high torque loads
Maintenance Indicators
  • Audible grinding or knocking from drill head during operation
  • Visible hydraulic fluid leaks at cylinder connections or excessive drift in boom positioning
Engineering Tips
  • Implement proactive hydraulic fluid analysis program with particle counting to detect contamination before component damage occurs
  • Establish regular drill head bearing lubrication schedule using high-temperature, waterproof grease with dust seals inspection and replacement

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 - Quality Management Systems ANSI/ASME B30.27 - Material Hoists DIN 21520 - Rock Bolting Equipment
Manufacturing Precision
  • Bore Diameter: +/-0.05mm
  • Parallelism of Mounting Surfaces: 0.15mm
Quality Inspection
  • Ultrasonic Testing for Structural Integrity
  • Load Testing to 125% Rated Capacity

Factories Producing Rock Bolting Rig

Manufacturer profiles with relevant production capability in China

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What applications is this rock bolting rig designed for?

This rig is engineered for ground support in mining operations, tunnel construction, and civil engineering projects requiring rock stabilization through bolt installation.

What materials ensure the durability of this bolting rig?

Built with high-strength steel frames, hardened alloy components, and industrial-grade hydraulic systems for maximum reliability in harsh working environments.

How does the dust collection system benefit operations?

The integrated dust collection system maintains cleaner air for operators, reduces equipment wear, and ensures compliance with safety regulations in confined spaces.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Machinery and Equipment Manufacturing.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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