How Does a European Double Girder Gantry Crane Work Indoors and Outdoors
Short Video Description
This video shows a European-style double girder gantry crane running on ground rails for material handling.
The crane uses a double girder structure with a motorized trolley and electric hoisting system. The complete gantry travels along the ground-mounted rails to cover the working area.
This type of Goliath crane can be used for both indoor and outdoor material handling, especially where an overhead crane runway is not available or the existing building structure cannot support the crane.
The interesting part is not simply the two girders. The real question is whether the span, lifting height, rail layout, wheel loads and working duty match the site.
European style double girder portal gantry crane
Main Technical Specifications
| Item | Specification |
|---|---|
| Crane type | European Style Double Girder Gantry Crane / Goliath Crane – High-Performance Model |
| Rated capacity | 5 – 500+ ton (customized according to lifting requirements; typical models: 10T, 16T, 20T, 32T, 50T, 100T, 200T, 500T) |
| Structure | Double Girder A-Frame Gantry Structure – European box girder design with lightweight high-strength steel |
| Girder design | Welded box girder with FEM-optimized cross-section – reduced dead weight with high rigidity |
| Travelling system | Rail Mounted – steel wheels on crane rail (P38/P43/P50/QU80) |
| Wheel configuration | 4 / 8 / 12 / 16 wheels with multiple driven axles (customized per load) |
| Rail gauge | Customized: typically 6m – 35m (based on working area) |
| Hoisting system | Electric Wire Rope Hoist / European Trolley – with helical gearbox and frequency control |
| Hoist type | European standard hoist (SWF / Verlinde / Yuantai European series) – compact design, low headroom |
| Span | 6 – 45 meters (customized according to working area and load requirements) |
| Lifting height | 6 – 30 meters (customized per site requirements) |
| Travelling distance (rail length) | 20 – 500+ meters (customized according to rail layout) |
| Hoisting speed | 0.8 – 12 m/min (VFD controlled – 2-speed or infinitely variable) |
| Trolley speed | 5 – 40 m/min (VFD controlled for smooth positioning) |
| Crane travelling speed | 5 – 50 m/min (frequency controlled with soft start/stop) |
| Wheel base (longitudinal) | 4 – 12 meters (designed for stability with heavy loads) |
| Maximum wheel load | ≤ 15 – 35 t per wheel (engineered per rail and foundation) |
| Duty class | A3 – A8 (FEM / ISO) – customized according to working frequency; European standard designs for A5-A7 heavy service |
| Control | Radio Remote (standard) / Pendant Control / Operator Cabin with HVAC and 360° visibility |
| Control system | PLC-based with CAN bus / Profibus communication – full diagnostic capability |
| Power supply | 380V/50Hz/3Ph (standard) / 440V/60Hz/3Ph / 400V/50Hz / 415V/50Hz – cable reel or conductor bar |
| Motor type | European standard IEC motors – IE3 energy efficiency – with frequency inverters |
| Safety features | Overload limiter, upper/lower limit switches, emergency stop, audible/visual alarms, anti-collision system, wind speed alarm (outdoor), rail clamps, buffer stops |
| Design standards | FEM, DIN, IEC, ISO 9001, CE, ASME, GB/T 3811 |
| Working environment | Indoor (workshop/factory) / Outdoor (yard/open area) – with appropriate environmental protection |
| Typical applications | Steel Handling, Fabrication, Precast Yard, Machinery Assembly, Power Plant, Wind Turbine Manufacturing, Bridge Construction, Shipyard, Maintenance, Heavy Equipment Assembly, General Material Handling |
| Yuantai Crane expertise | Project highlights – European Style Double Girder Gantry Cranes: • China – heavy fabrication yard: Supplied 100T double girder gantry with 35m span and 20m height – used for steel structure assembly with 24/7 operation (A7 duty). • Europe – wind power plant: Exported 200T goliath crane with 40m span for wind turbine nacelle assembly – fully FEM-compliant with CE certification. • Southeast Asia – precast concrete yard: Delivered 16T double girder gantry with European hoist and radio remote control – used for precast segment handling. • Middle East – shipyard: 50T gantry crane with 30m span and corrosion-resistant coating for coastal environment – A6 duty class. • Africa – mining maintenance: 20T double girder gantry with cabin control and dust-proof electrical enclosure for outdoor mining yard. • South America – steel mill: Supplied 32T European-style gantry with 28m span and 12m height – for coil and slab handling. European design advantages offered by Yuantai: – FEM-optimized girder design – lower dead weight, higher strength – Low-headroom hoist – maximizes lifting height in limited buildings – Energy-efficient IE3 motors with frequency drives – up to 30% energy saving – Smooth travel with soft start/stop – reduces load swing – Full PLC control with remote diagnostics capability – Modular design – faster delivery and easier maintenance Global experience: Yuantai has delivered European-style double girder gantry cranes to over 60 countries across Europe, Asia, Africa, Middle East, Americas, and Oceania. Customization: Every crane is engineered to site conditions – span, height, capacity, duty class, power supply, climate, and local safety codes. |
Can a Double Girder Goliath Crane Be Used Indoors and Outdoors?
Yes. A gantry crane can be designed for both indoor and outdoor applications, but the environmental conditions should be included in the crane design.
Indoor Use
For indoor workshops and factories, the main concerns are usually headroom, building clearance, span, lifting height and floor rail layout.
Outdoor Use
Outdoor cranes have additional conditions such as wind, rain, temperature, corrosion and water drainage.
Depending on the location, the crane may require suitable weather protection, paint system, electrical enclosure protection and wind-resistant design.
Outdoor duty is not simply an indoor crane with an umbrella.
Indoor vs. Outdoor Goliath Crane
| Item | Indoor | Outdoor |
|---|---|---|
| Working environment | Workshop / Factory – protected from weather | Yard / Open Area – exposed to weather |
| Wind load | Normally lower – building provides protection | Important design condition – working and non-working wind loads |
| Corrosion protection | Normal according to environment – standard paint system | May require enhanced protection – zinc-rich primer + epoxy + polyurethane (C5-M / C5-H) for coastal areas |
| Headroom | Important – limited by building clearance and crane rail height | Usually less restrictive – but must consider outdoor clearance |
| Rail foundation | Workshop floor / dedicated rail foundation – less depth | Dedicated outdoor rail foundation – deeper and reinforced for weather |
| Weather protection | Usually not required – crane is inside | May be required – cab HVAC, electrical IP protection, rain covers |
| Electrical protection | IP54 standard | IP55 / IP65 – for dust and water ingress protection |
| Temperature range | 0°C to +45°C (typically controlled) | -25°C to +50°C – may require cold-weather or tropical packages |
| Lighting | Factory lighting sufficient | Requires crane-mounted LED lighting for night operation |
| Drainage | Not applicable – indoor | Important – rail drainage to prevent water accumulation |
| Yuantai recommendation | Standard indoor design – focus on headroom and building clearance | Outdoor design with wind load calculation, corrosion protection, and weatherproof electrical system |
| Yuantai project example | Indoor 20T double girder gantry in Chinese machinery factory – low headroom design with pendant control | Outdoor 50T gantry in Middle East yard – wind-resistant design with cabin HVAC and corrosion coating |
What Makes a European Style Gantry Crane Different?
European-style crane design generally focuses on a compact structure, lower dead weight, optimized dimensions and controlled crane movements.
Depending on the project, features may include:
- Compact trolley and hoisting arrangement
- Low overall crane dimensions
- Variable frequency drive
- Smoother starting and stopping
- Optimized wheel loads
- Modern electrical control system
- Customized duty classification
The advantage is not simply the word "European" on the specification sheet. The real benefit comes from how the crane is engineered for the required load and working cycle.
Why Is Wheel Load Important for a Goliath Crane?
The crane does not put its entire load directly onto one point of the ground. The total crane load is transferred through the gantry legs, end carriages, wheels and rails.
Therefore, the buyer should not only ask: "How many tons can the crane lift?"
The project engineer also needs to know the maximum wheel load and rail foundation requirements.
This becomes especially important for heavy double girder cranes and outdoor installations.
Where Are Double Girder Goliath Cranes Used?
- Steel fabrication yards
- Steel stockyards
- Precast concrete yards
- Machinery manufacturing
- Construction projects
- Power plant projects
- Shipyard and marine applications
- Heavy equipment assembly
- Maintenance workshops
- Outdoor material storage areas
Yuantai Crane European Style Gantry Crane Solutions
Yuantai Crane designs and supplies customized double girder gantry cranes and Goliath cranes for different industrial lifting applications.
The crane can be configured according to the customer's capacity, span, lifting height, duty class, rail gauge, working environment and site layout.
For indoor projects, the design can focus on available headroom and building clearance. For outdoor projects, the design can also consider wind, corrosion protection and rail foundation conditions.
The crane should fit the site first. The catalogue comes second.
FAQ
Common questions about European-style double girder gantry cranes.
1. What is a European-style double girder gantry crane?
It is a double girder gantry crane designed with a compact structure and modern hoisting, travelling and control systems. The complete crane runs on ground rails.
2. Why use a double girder instead of a single girder gantry crane?
Double girder construction is generally more suitable for heavier loads, longer spans, higher lifting heights and demanding working conditions. For lighter applications, a single girder crane may be more economical.
3. Can a Goliath crane be used inside a workshop?
Yes. A Goliath crane can be used indoors when a floor-mounted rail system is suitable. It can be useful when the existing building structure cannot support an overhead crane runway.
Key questions buyers should check before ordering a double girder Goliath crane.
4. How do I choose the right capacity and span?
Start with the maximum load, lifting height and required working area. Then check the working frequency, rail gauge and site conditions. Capacity and span should be selected together.
5. What information is needed for a quotation?
Provide the capacity, span, lifting height, duty class, rail gauge, travelling distance, indoor/outdoor environment and power supply . A site drawing is even better.
6. What should I check before buying an outdoor Goliath crane?
Check the capacity, span, lifting height, duty class, maximum wheel load, rail foundation, wind conditions, corrosion protection and electrical protection . Outdoor crane design needs more than simply changing "indoor" to "outdoor" on the quotation.
Need a European Style Double Girder Gantry Crane?
Send us your lifting capacity, span, lifting height, rail gauge, working frequency and site layout .
Yuantai Crane can develop a custom double girder Goliath crane for your indoor or outdoor material handling application.
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Article by Bella ，who has been in the hoist and crane field since 2016. Bella provides overhead crane & gantry crane consultation services for clients who need a customized overhead travelling crane solution.Contact her to get free consultation.
Yuantai Cranes
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- Crane type:_____ . (e.g., overhead crane, gantry crane, jib crane)
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