Heavy-Duty Box Type Single Girder Gantry Cranes from China Suppliers | Reliable Factory Solutions
Key Features
Box Girder Structure: The main beam is fabricated as a closed box, ensuring high structural strength, torsion resistance, and reduced deflection under heavy loads.
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Reliable Hoisting Mechanism: Equipped with wire rope electric hoists or chain hoists, offering stable lifting, accurate positioning, and energy-efficient operation.
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Versatile Configurations: Available in rail-mounted or rubber-tired options, adjustable span lengths, and various lifting heights.
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Weather Protection: Ideal for outdoor environments thanks to anti-corrosion surface treatments and weatherproof electrical components.
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Enhanced Safety: Integrated overload limiters, anti-collision systems, emergency stop, limit switches, and buffer devices.
Technical Specifications
Lifting Capacity:
3 tons to 32 tons (customizable)
3 tons to 32 tons (customizable)
Span Length:
7.5 to 30 meters
7.5 to 30 meters
Lifting Height:
6 to 12 meters (or as per request)
6 to 12 meters (or as per request)
Working Class:
A3~A5 (suitable for medium to heavy-duty work)
A3~A5 (suitable for medium to heavy-duty work)
Power Supply:
380V 50Hz 3Phase (custom voltage supported)
380V 50Hz 3Phase (custom voltage supported)
Applications
This crane type is widely used for:
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Steel structure workshops
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Precast concrete yards
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Container yards
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Shipyard operations
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Heavy equipment assembly
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Large material warehouses
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Railway maintenance bases
Benefits
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High Load Efficiency: Box girder design ensures optimal use of materials and increases the crane’s loading performance.
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Longevity and Low Maintenance: Closed structure reduces wear and protects internal components from dust and moisture.
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Precision Operation: Advanced control systems with optional inverter frequency conversion for smooth starting and braking.
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Customization Support: We offer tailored designs, dimensions, and colors to fit your operational layout and branding.
Why Choose Our Factory?
As a leading Chinese crane manufacturer, we offer competitive advantages:
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Full in-house production with strict quality control (ISO, CE certified)
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Exported to over 40 countries
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Quick lead time and stable supply chain
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Professional engineering support team
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One-stop solution including installation guidance and after-sales service
Frequently Asked Questions
What is the lifting capacity of the box type single girder gantry crane?
The standard lifting capacity ranges from 3 tons to 32 tons. Custom lifting capacities can also be engineered to meet your specific operational needs.
Can this gantry crane be used in outdoor environments?
Yes, the crane is designed with anti-corrosion surface treatments and weatherproof electrical components, making it ideal for outdoor applications such as precast concrete yards and container yards.
What are the advantages of a box girder structure over a truss structure?
The closed box girder structure offers superior structural strength, higher torsion resistance, and significantly reduced deflection under heavy loads, ensuring a longer service life and lower maintenance.
What safety features are integrated into this gantry crane?
It includes integrated overload limiters, anti-collision systems, emergency stop buttons, limit switches, and buffer devices to ensure maximum operator and site safety.
Do you support custom spans, lifting heights, and voltages?
Yes, we provide fully customizable options for span lengths (7.5 to 30 meters), lifting heights (6 to 12 meters), and custom voltage configurations to match your local power supply.
Do you provide installation guidance and after-sales support?
Yes, we offer a comprehensive one-stop solution that includes engineering design, layout customization, professional installation guidance, and reliable long-term after-sales support.