7.2.2025 / 5-minute read

Explosion-Proof Cantilever VRC | Mining/Chemical Vertical Conveyor | 3-Side Loading

Overview

The explosion-proof cantilever reciprocating conveyor integrates cantilever design (single-side mast support) and ATEX compliance for hazardous vertical logistics in flammable environments. Core features:

  1. Three-Sided Access: Single-side mast enables 360° operation with C-Type (front in/out), Z-Type (opposite side), and 90° (front load/side unload) modes.
  2. Explosion Protection: Motors/controls certified Ex d IIC T4 with dual hydraulic + mechanical braking.
  3. High-Efficiency Transport: Variable frequency drive (VFD) chain system, speed ≤1.0 m/s, capacity ≤4 tons.
  4. Harsh Environment Adaptability: Operates in mines (-30°C), chemical plants, and GMP cleanrooms (stainless steel option).

Basic Parameters

ParameterSpecificationCustomizable
Capacity1–4 tons✓
Lifting Speed0.25–1.0 m/s (VFD-controlled)✓
Lifting Height≤20 m✓
Explosion RatingEx d IIC T4 (Motors/Controls)Standard
Loading ModesC-Type, Z-Type, 90°Standard
Braking SystemHydraulic + Mechanical Lock✓
Platform Size (W×D)1.2–3.0 m × 1.5–4.0 m✓
IP RatingIP65 (Sealed Carriage)✓

The Challenge

  • Safety Risks: Spark ignition in flammable zones; brake failure causing free-fall.
  • Space Constraints: Dual-mast designs occupy >50% tunnel width in mines.
  • Low Efficiency: Unidirectional loading limits throughput (<15 units/hour).
  • Contamination Control: Standard equipment fails in dust-free/cleanroom environments.

Solutions

  • ATEX Integration:
    • Intrinsically safe controls (GB 3836/ATEX certified).
    • SAHR fail-safe brakes with emergency battery backup.
  • Space-Optimized Design:
    • Single-mast configuration saves 50% width (fits ≤2m tunnels).
  • Multi-Directional Workflow:
    • Switchable C/Z/90° modes enable simultaneous loading/unloading.
  • Sealed Construction:
    • 304 stainless steel + IP65 enclosure prevents gas/dust ingress.

Advantages

  • Intrinsic Safety:
    • Dual brakes + FOPS/ROPS certified cabin (10t impact resistance); 90% accident reduction.
  • Operational Efficiency:
    • 30% faster loading via three-sided access (cycle time ≤15 sec/unit).
  • Extreme Environment Ready:
    • Temperature range: -30°C to +40°C; Class 1000 cleanroom compatible.
  • Durability:
    • Q345A steel mast + roller bearing transmission (100,000-hour lifespan).

Application Scenarios

IndustryUse Cases
MiningUnderground ore/personnel transport
ChemicalHazardous material vertical transfer
PharmaceuticalSterile packaging handling
WarehousingHigh-bay AS/RS integration

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