31-Jul-2025
5-40 Ton European Standard Double Girder Overhead Crane | Customized for Indoor Heavy Lifting
Introduction
Dongqi Crane’s European Standard Double Girder Overhead Crane is engineered for high-efficiency heavy lifting in demanding industrial environments. Compliant with FEM 1.001, ISO 8306, and CE directives, this crane series (5-40 ton capacity) combines robust construction, intelligent control, and modular customization to meet diverse indoor material handling needs—from steel mills to automated warehouses.
1. Product Highlights & Competitive Advantages
1.1 European Compliance & Certifications
- FEM/DIN Standards: Designed for A4-A8 duty cycles (up to 1,500 starts/hour), ensuring durability in continuous operations.
- CE Marking: Full compliance with EU Machinery Directive 2006/42/EC, including EN 15011 for overhead travel cranes.
- Material Excellence: Q345B steel girders with finite element analysis (FEA)-optimized structures reduce deadweight by 15% vs. conventional cranes.
1.2 Key Differentiators
| Feature | Traditional Cranes | Dongqi European Double Girder Crane |
|---|---|---|
| Max. Capacity | ≤20t | 5-40t (extendable to 80t) |
| Lifting Speed | Fixed-speed hoisting | 0.63-63 m/min (VF drive) |
| Ambient Tolerance | -20°C to +40°C | -25°C to +50°C (RH≤85%) |
| Energy Saving | Standard braking | Regenerative power recovery (15% less consumption) |
2. Technical Specifications & Performance
2.1 Core Configurations
- Lifting Capacity: 5-40t (main + auxiliary hook, e.g., 32t/5t combo).
- Span: 10.5m to 31.5m (customizable up to 40.5m).
- Lifting Height: Up to 60m (low-headroom design available).
- Travel Speed:
- Crane: 20-60 m/min (variable frequency control).
- Trolley: 5-30 m/min (precision positioning).
2.2 Premium Components
- Hoisting Mechanism:
- QY3D-series hardened gear reducer + YWZ9-Ed hydraulic disc brake (fail-safe).
- Electrical System:
- Siemens PLC + Schneider circuit breakers (IP55 protection).
- Safety Systems:
- Overload limiter (95-110% alarm cutoff).
- Anti-collision sensors (infrared/LiDAR).
- Emergency stop + rope slack compensator.
2.3 Efficiency Innovations
- DDB centralized lubrication: Reduces manual maintenance by 40%.
- IoT-ready monitoring: Real-time load tracking via CAN bus communication.
3. Customization & Industry Solutions
3.1 Sector-Specific Adaptations
- Steel & Metallurgy:
- Heat-resistant (+60°C) trolley with copper-steel conductor bars.
- Tandem crane systems for ladle handling (e.g., 50t+50t synchronized control).
- Warehousing & Logistics:
- Electromagnetic beams (5t lift/10t self-weight) for scrap metal.
- Dual-hook coordination for long loads (e.g., pipes, timber).
3.2 Hazardous Environments
- Explosion-proof (Ex d IIC T4): For oil/gas/chemical plants.
- Insulated cranes: Dielectric coatings for electrolysis workshops (e.g., aluminum smelting).
4. Safety & Smart Control
4.1 Multi-Layer Protection
- Mechanical redundancy: 65Mn forged steel wheels + torque-limiting couplings.
- Electronic safeguards:
- Load moment indicator (LMI) with wireless dashboard display.
- Anti-sway software (automated pendulum damping).
4.2 Intelligent Operation Modes
3 Control Options:
- Pendant station (IP65, 10m range).
- Radio remote (2.4GHz FHSS encryption).
- Fully automated (pre-programmed paths via OPC UA interface).
5. Quality Assurance & Service
5.1 End-to-End Support
- Delivery: 30 days (design → commissioning, including FAT).
- Warranty: 1 year (extendable to 3 years for hoist/brake units).
5.2 Global Project Experience
- 120+ countries served (e.g., German auto plants, Middle East power stations).
- Documentation:
- Third-party inspection reports (SGS/TÜV).
- Local compliance packages (ANSI, GOST, GB standards).
6. Quick-Reference Technical Data
| Model | DQ-5t | DQ-20t | DQ-40t |
|---|---|---|---|
| Span (m) | 10.5-31.5 | 13-31 | 13-31 |
| Lift Speed | 12.5 m/min | 7.2 m/min | 5.0 m/min |
| Power (kW) | 22.8-27.8 | 55.6-69 | 93.5-110.5 |
| Price (FOB) | $12,180+ | $23,900+ | $49,500+ |
Note: Pricing varies with options (explosion-proofing, automation, etc.). CIF/DDP terms available.
Final Thoughts: A Smarter, Stronger Lifting Solution
When it comes to heavy lifting in demanding industrial environments, Dongqi Crane’s 5-40 Ton European Standard Double Girder Overhead Crane stands out as a reliable, high-performance solution. Built to meet strict FEM and CE standards, this crane doesn’t just handle heavy loads—it does so efficiently, safely, and with the flexibility to adapt to your specific needs.
Whether you’re operating in a steel mill requiring heat-resistant components, a warehouse needing precise load positioning, or a hazardous environment demanding explosion-proof safety, this crane is engineered to perform. With smart controls, energy-saving technology, and customizable configurations, it’s designed to maximize productivity while minimizing downtime.
Backed by decades of engineering expertise and a global support network, Dongqi Crane ensures you get more than just equipment—you get a long-term lifting partner.
Ready to optimize your operations?
- Request a customized quote tailored to your requirements.
- Download technical specs or CAD models for integration planning.
- Speak with our engineers to discuss your project’s unique challenges.
Let’s lift your business to new heights—safely, efficiently, and smarter.
