Underground belt conveyors are widely used transportation equipment in both surface and underground coal mining operations. Below is the detailed introduction:
Structural Features
• Compactness & Adaptability: More compact than standard belt conveyors with reduced lateral dimensions, featuring quick-installation/fixed/detachable structures for easy deployment in confined underground spaces.
• Idlers & Drive Units: Articulated suspended idlers adapt to complex underground terrain; Integrated drive units combine torque-limiting/speed-regulating hydraulic couplings with right-angle planetary or bevel-helical gear reducers for efficient power transmission.
Conveyor Belt Types
• Solid-Woven Belt: Features mechanically spliced fabric core with high strength and tear resistance, ideal for long-distance coal transport.
• Steel Cord Rubber Belt: Flame-resistant type with vulcanized joints, offering high load capacity and tension resistance for heavy-duty/long-haul applications.
Main Types
• Telescopic (e.g. DSJ Series): Deployed at coal mining faces, extends/retracts with excavation progress to ensure continuous operation.
• Fixed Type: Designed for stable routes with advantages of high capacity and steady operation.
Application Advantages
• High Transport Efficiency: Enables continuous bulk material transport over long distances, significantly improving productivity.
• Harsh Environment Adaptability: Operates in high-humidity/dusty/explosive-gas conditions, with flexible horizontal/incline/decline configurations and curved tunnel capability.
Safety Protections
• Protective Devices: Includes anti-slip/misalignment/blockage/tear sensors, plus temperature/smoke monitors and auto-sprinklers.
• Operation Standards: Operators require certified training on equipment performance/structure/principles.
Smart Features
• Smart Monitoring: Sensors enable real-time tracking and remote control with instant alerts.
• Automation: Auto-coiling and hydraulic tensioning systems minimize manual operation.
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