Gantry crane
Double Girder Gantry Crane| Outdoor, Heavy-Duty, CE-Compliant
Product Overview
The Double Girder Gantry Crane is a powerful, heavy-duty material handling solution engineered specifically for demanding outdoor environments. With popular capacities of 30, 40, and 50 tons, this crane features a robust double-girder structure that provides exceptional stability and strength for lifting heavy loads over wide spans. Operating on ground-level rails, it offers extensive lifting coverage for stockyards, precast facilities, and container handling zones. Equipped with a high-performance hoist trolley and weather-resistant components, this gantry crane is built to deliver reliable performance in any weather.
Product Advantages
- Superior Outdoor Performance: Designed for outdoor use with an IP55 protection rating, weather-resistant paint, and durable components, this crane operates reliably in rain, wind, and fluctuating temperatures.
- Exceptional Stability for Heavy Loads: The rigid double-girder construction ensures maximum stability and minimal deflection when handling heavy and oversized loads, which is critical for safety and precision in outdoor yards.
- Wide Span Coverage: Engineered to cover large operational areas with spans up to 35.5 meters or more, it provides comprehensive lifting capability across entire stockyards without obstructing ground-level traffic.
- High Efficiency and Control: Offers fast travel and lifting speeds to maximize productivity. Optional VFD controls provide smooth, stepless movements, reducing load swing and enhancing operator control.
- Durable and Low-Maintenance: Built for A5-A6 heavy-duty cycles with high-strength steel and premium components, this crane is designed for a long service life with minimal maintenance, ensuring maximum uptime.
Application Scenarios
- Outdoor Stockyards: Ideal for lifting and organizing heavy materials such as steel coils, plates, pipes, and structural beams in open-air storage facilities.
- Precast Concrete Yards: Perfectly suited for handling large precast segments, concrete beams, and wall panels with the power and stability required.
- Container Handling: An efficient solution for loading, unloading, and stacking shipping containers in small to medium-sized port terminals and logistics hubs.
- Shipbuilding and Large Fabrication: Used in outdoor assembly yards for lifting and positioning large hull sections and heavy fabricated modules.
- Stone and Marble Yards: Safely and efficiently moves large, heavy blocks of granite, marble, and other stone materials.
Product Specifications
| Parameter | Specification |
|---|---|
| Rated Capacity | 30t / 40t / 50t (Other capacities available) |
| Span | 12 m to 35.5 m (Customized to your yard layout) |
| Max. Lifting Height | 6 m to 30 m (Customized as per demand) |
| Work Duty | A5–A6 (Medium to Heavy Duty) |
| Lifting Speed | 0.8–6 m/min (Two-speed or VFD, speed varies with capacity) |
| Trolley Traveling Speed | 2–25 m/min (Two-speed or VFD) |
| Crane Traveling Speed | 20–80 m/min (Two-speed or VFD) |
| Hoist Type | Open Winch Trolley or Heavy-Duty Wire Rope Hoist Trolley |
| Hoist Motor | Heavy-duty dual-speed or VFD-controlled motor |
| Travel Motors | Dual-speed or VFD-controlled gear motors |
| Control Methods | Cabin Control (Standard), Wireless Remote Control (Optional) |
| Power Supply | 3-Phase 380V/400V/415V/440V, 50/60Hz |
| Control Voltage | 24V / 36V / 48V (Safe control voltage) |
| Electrical Components | Schneider, Siemens, or equivalent premium brand |
| Safety Devices | Overload limiter, emergency stop, anemometer, rail clamps, anti-collision system |
| Working Temperature | -25°C to +40°C |
| Protection Class | IP55 |
| Paint/Finish | Sandblasted Sa2.5, epoxy primer, and polyurethane topcoat for outdoor durability |
| Steel Grade | Q355B High-Strength Carbon Structural Steel |
| Wheel/End Carriage | Forged steel wheels; Heavy-duty box-girder end carriages |
| Rail Size (typical) | P43, QU70, QU80 (Recommended for the application) |
| Braking | Electromagnetic and/or hydraulic brakes for all movements |
| Limit Switches | Included for all hoisting and travel motions |
| Documentation | Certificate of Conformity, Test Reports, CE/ISO Certificates |
| Warranty | 1 Year |
| Lead Time | 15–40 days (negotiable for specific configurations) |
Features at a Glance
- Robust double-girder design for heavy-duty outdoor use.
- Capacities of 30, 40, and 50 tons for serious lifting power.
- IP55-rated protection and weather-resistant finish for durability.
- Wide-span capability to cover large stockyards efficiently.
- CE-compliant, engineered for safety, stability, and high performance.
FAQ
1. What’s the information should I provide when inquiry?
More details or drawings, better. A: Lift capacity B: Crane arm length C: lift height: hook travel distance D: What material to lift E: power source or other specials you give us will be more appreciated.
2. How many operating methods for my selection?
Standard operating methods: A: pendent controller with push buttons .B: remote control with push buttons. Choose any type as you like.
3. Can this type work in hazardous environment?
Sure! We can customize for you, acid proof or explosion proof, no problem for that.
4. What about warranty time ?
Use within the standard for the next 12 months.
5. How can we install the crane? Our senior engineer can be your side to do the installation guide service and training.
6. May I visit your factory?
Of course. We can pick you up at train station, high-speed rail station or airport, and book hotel for you.
