KBK light crane system
Weiyuan Heavy-Duty Industrial Gantry Crane
Tagline: Robust Outdoor & Indoor Portal Crane for Heavy Material Handling
1. Product Overview
The Weiyuan Industrial Gantry Crane Series encompasses single girder, double girder, and semi-gantry crane configurations engineered for outdoor yards, freight depots, and indoor bays without elevated runway beams. Built to withstand harsh weather conditions and heavy duty cycles, these cranes feature superior wind resistance, high structural rigidity, advanced anti-sway technology, and specialized weather-proof protective coatings.
2. Key Advantages & Technical Highlights
- High-Rigidity Box/Truss Portal Frame: Designed using FEA modeling to withstand high wind loads and heavy dynamic stresses while maintaining structural integrity.
- Weatherproof Outdoor Protection: Includes anti-corrosion marine-grade painting, hoist rain covers, rail clamps, and storm anchoring systems.
- Smooth Rail-Guided Travel: Variable frequency drive (VFD) soft-start and soft-stop functionality prevents load swaying and minimizes rail wear.
- Flexible Cable Reeling & Busbar Systems: High-reliability power supply options including motorized cable reels and shielded conductor bars.
3. Technical Specifications
| Specification Parameter | Standard Value / Range |
| Rated Capacity | 3t to 50t (Custom up to 100t) |
| Span Length | 12m to 35m (With or without cantilevers) |
| Lifting Height | 6m to 18m |
| Duty Class / FEM | FEM 2m / 3m (ISO A5 / A6) |
| Gantry Travel Speed | 20 – 40 m/min (Inverter speed control) |
| Enclosure Rating | IP55 / IP65 Weatherproof |
| Operating Temp | -20°C to +50°C |
4. Typical Applications
- Rail freight terminals, ports, and container yards
- Precast concrete component yards and marble quarries
- Shipbuilding yards and outdoor steel fabrication facilities
- Industrial plant yards requiring flexible indoor-outdoor transfer