Top Box and Bottom Truss Single Girder Gantry Crane - Reliable Lifting Solution by China Suppliers and Factory
Product Video
Key Features
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Dual Structure Design: The top box girder offers high structural strength and torsional resistance, while the bottom truss design minimizes weight and maximizes stability.
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Increased Load Capacity: The combination of top box and bottom truss increases the lifting capacity without adding excessive weight, ensuring safe handling of heavy materials.
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Wind Resistance: The open truss bottom structure enhances the crane’s wind resistance, making it ideal for outdoor use in areas with harsh weather conditions.
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Optimized Design: Customizable spans, lifting heights, and lifting capacities, allowing the crane to be tailored to your unique operational needs.
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Cost-Efficient: Combining both box and truss design reduces material consumption while providing excellent lifting performance and stability.
Technical Specifications
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Lifting Capacity: 5 tons to 50 tons (customized as per requirements)
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Span Length: 8 meters to 35 meters
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Lifting Height: 6 meters to 20 meters (custom height options available)
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Working Duty: A3~A5 (medium to heavy-duty operations)
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Power Supply: 380V 50Hz 3Phase (or customized voltage specifications)
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Control Method: Pendant control, remote control, or operator cabin control options
Applications
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Steel fabrication plants
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Heavy-duty loading/unloading areas
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Outdoor construction sites
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Shipyards and offshore platforms
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Precast concrete yards
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Large material storage yards
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Mining industry
Benefits
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Heavy Lifting with Reduced Weight: The innovative combination of top box and bottom truss allows the crane to lift heavy loads without increasing its overall weight.
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Enhanced Durability: The dual structure enhances durability, providing greater resistance to wind and environmental conditions.
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Customizable Options: Tailored to your specific needs, offering flexibility in design, size, and lifting capacity.
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Safety Features: Equipped with overload protection, emergency stop functions, limit switches, and other safety measures to ensure smooth and secure operation.
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Quick Setup and Easy Maintenance: Simple assembly and reduced maintenance costs, making it a great solution for cost-conscious businesses.
Why Choose Us?
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Factory-direct competitive pricing
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On-time delivery worldwide
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CE/ISO certifications for global compliance
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Expert design and engineering support
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24/7 customer service and after-sales support
Frequently Asked Questions
What are the main benefits of a top box and bottom truss design?
This hybrid structure offers the high strength and load-bearing capacity of a box girder while minimizing overall deadweight and wind resistance through the bottom truss. It is ideal for outdoor or high-wind environments.
What is the typical lifting capacity of this gantry crane?
Our standard lifting capacity ranges from 5 tons up to 50 tons. However, we offer fully customized solutions to suit your specific heavy-duty lifting requirements.
Can the span length and lifting height be customized?
Yes, we provide customized spans ranging from 8 meters to 35 meters, and lifting heights from 6 meters to 20 meters. Custom configurations beyond these ranges are also available upon request.
What safety features are integrated into the crane?
The crane is equipped with comprehensive safety systems, including overload protection devices, emergency stop buttons, limit switches for travel and lifting, and windproof securing devices for outdoor operations.
What control options do you provide?
We support multiple control methods to suit your operating preferences, including ground pendant control, wireless remote control, and full-scale operator cabin control.