Aicrane double girder overhead cranes are widely used for heavy material handling in industries such as steel, manufacturing, energy, and construction. With lifting capacities from 5 to over 500 tons and customizable design options, our cranes are built to match different load types, working environments, and operational demands.
Whether you’re lifting everyday materials or operating in a hazardous, high-temperature, or high-precision environment, Aicrane has the double girder overhead crane solution for you.
These double girder bridge crane models are ideal for workshops, warehouses, assembly lines, and general lifting needs across various industries.
The AQ-QDX crane double girder features a compact and lightweight design, ideal for precise lifting in limited spaces. It ensures smooth, safe, and efficient operation.
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The AQ-QD model is a double girder trolley overhead crane with strong and stable double box girders, ideal for demanding lifting tasks.
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The AQ-LH double girder hoist overhead crane is a cost-effective solution for light to moderate lifting tasks using an electric hoist.
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The AQ-NLH is an electric hoist double girder overhead crane design with compact structure and frequency control, ideal for precise and efficient lifting.
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These double beam bridge cranes are specially designed to handle challenging materials or operate in demanding industrial environments.
This double girder magnetic overhead crane is specially designed for lifting and handling magnetic materials like steel plates, billets, and scrap.
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Designed for bulk material handling, this double girder grab crane uses a grab bucket to handle sand, coal, grain, and waste.
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Engineered for explosive or flammable environments, this double beam explosion proof crane meets strict safety standards for industries like petrochemicals and mining.
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This double girder metallurgical bridge crane is specially designed for high-temperature steelmaking environments, such as handling molten metal, ladles, or ingots.
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If you’d like to explore these double girder overhead crane specifications in more detail or need help selecting the right configuration for your application, feel free to contact us at any time. To give you a clearer understanding of how these cranes are applied in real working conditions, here are some typical project cases for your reference.
The steel plant’s existing overhead crane was aging and could no longer keep up with production demands. A replacement was needed that fit the fixed workshop dimensions while improving operational efficiency.
A 16-ton electromagnetic double girder overhead bridge crane was custom-designed for the workshop layout and operator habits. Key features include:
The new crane replaced the outdated equipment without major structural modifications, significantly improving material handling efficiency, operational flexibility, and production reliability.
“Your company’s specialists assisted us with the commissioning and adjustment of the crane. They promptly helped resolve arising issues, professionally and competently answered all our questions.”
Read the full testimonial:
The machinery manufacturing plant in Russia required a crane that seamlessly integrates with the existing workshop layout and accommodates the special process requirements for handling heavy molds safely and efficiently.
We supplied a 64-ton double girder overhead crane with a span of 22.5 meters and a lifting height of 11 meters. The crane is equipped with dual trolleys to enable precise positioning and safe handling of heavy molds, fully tailored to the plant’s workflow and operational needs.
The custom double girder crane allows safe, efficient, and flexible transport of heavy molds within the workshop. It integrates perfectly with the existing layout, minimizes operational disruptions, and enhances overall production efficiency.
“The crane has been reliable and efficient from day one, greatly improving our mold handling process. We also appreciate the professional installation support and responsive service. This positive experience gave us the confidence to purchase a second crane and continue our cooperation.”
After exploring our double girder overhead bridge crane types and their performance in real-world applications, it becomes clear that each crane can be further customized to meet specific operational and material handling requirements. Depending on the type of load, a variety of lifting attachments can be selected to ensure safe and efficient handling of different materials. Below are some of the most commonly used hook attachments and spreader devices for double girder overhead bridge cranes.
Contact us to learn more about lifting attachments tailored to your material handling needs – ensuring safe, precise, and efficient lifting. Looking to further enhance the safety and efficiency of your operations? Explore the intelligent features below.
At Aicrane, we integrate advanced lifting technologies to make heavy lifting not only safer but smarter and more efficient than ever before.
Our double bridge cranes can be equipped with advanced visual recognition technology that enables real-time visualization of equipment operation status. This intelligent monitoring ensures safer, more stable crane operation and helps prevent failures before they occur.
Powered by PLC automation, variable frequency drives (VFD), and 5G communication technology, the smart control system significantly improves system responsiveness and operational efficiency.
With advanced electrical anti-sway control, the system intelligently detects load movement and automatically stabilizes it for higher precision handling.
All these smart technologies are configured based on your specific requirements. Our goal is to help you handle heavy loads with greater control, speed, and reliability – delivering smarter and more efficient double girder bridge crane solutions that drive your productivity forward.
With a wide range of customizable configurations and advanced features available, selecting the right crane can seem complex. The key is to match the crane specifications with your actual lifting requirements and working conditions.
Choosing the right double girder overhead crane involves evaluating several critical factors, from load capacity to operating environment. The guide below will help you make a more informed, efficient, and cost-effective decision:
The first step in choosing a double girder overhead bridge crane is defining the maximum load weight it needs to lift.
Span and height affect double girder overhead crane design, travel path, and workshop utilization.
Longer spans may require reinforced girders; higher lifts may need extended hook travel. Proper span and height ensure efficient space usage, smooth operation, and precise positioning.
Double girder cranes are rated according to their operational duty cycle (A3–A8).
Choosing the correct duty rating prevents premature wear and reduces maintenance costs.
The workshop environment affects double beam crane selection:
Control type affects precision, safety, and workflow efficiency.
Evaluate your load weight, crane span, workshop complexity, and required precision to select the most suitable control mode.
Choosing additional crane features should be based on your lifting challenges and operational goals:
Analyze your load types, precision needs, and workflow complexity to decide which features are worth investing in for safer and more efficient operations.
Always work with experienced double girder overhead crane manufacturers and suppliers to make an informed choice. With your requirements clear, the next step is to look at pricing and value, to find a solution that fits both performance and budget.
The price of a double girder crane varies based on factors such as lifting capacity, span length, lifting height, and work duty. Additional considerations, like materials used and custom features, can also impact the cost. Here is a general price range for some common types and capacities of Aicrane double girder overhead crane for sale:
| Capacity | Model | Span | Price (USD) |
|---|---|---|---|
| 10 Ton | AQ-QD | 10.5-31.5m | $14,000-$36,400 |
| AQ-QDX | 10.5-31.5m | $18,200-$35,000 | |
| AQ-LH | 10.5-31.5m | $7,000-$25,200 | |
| AQ-NLH | 10.5-31.5m | $15,400-$35,000 | |
| 20 Ton | AQ-QD | 10.5-31.5m | $23,800-$50,400 |
| AQ-QDX | 10.5-31.5m | $21,000-$46,200 | |
| AQ-LH | 10.5-31.5m | $9,100-$29,400 | |
| AQ-QDY | 10.5-31.5m | $40,600-$75,600 | |
| 32 Ton | AQ-QD | 10.5-31.5m | $35,000-$58,800 |
| AQ-QDX | 10.5-31.5m | $30,800-$54,600 | |
| AQ-NLH | 10.5-31.5m | $28,000-$56,000 | |
| AQ-QDY | 10.5-31.5m | $68,600-$98,000 | |
| 50 Ton | AQ-QD | 10.5-31.5m | $42,000-$77,000 |
| AQ-QDX | 10.5-31.5m | $35,000-$70,000 | |
| AQ-QDY | 10.5-31.5m | $93,800-$126,000 |
These prices are for reference only. Whether you’re looking for a 20 ton or a 50 ton double girder overhead crane price, we recommend consulting with an Aicrane project consultant today for a precise, customized quote that fits your specific lifting needs.
Beyond price, it’s equally important to choose a manufacturer with strong factory capabilities, expert technical support, and comprehensive service. Here’s why Aicrane is the right choice for your double girder overhead bridge crane:
Aicrane stands out as a leading double girder overhead crane manufacturer, backed by a cutting-edge production facility spanning 850,000 square meters. This expansive factory space enables us to efficiently manufacture large-capacity, heavy-duty double girder bridge cranes to meet demanding industrial needs. With advanced production equipment and streamlined processes, we ensure precision engineering, consistent quality, and on-time delivery – helping you keep your lifting operations running smoothly and efficiently.
At Aicrane, our dedicated crane engineer team specializes in providing customized lifting solutions designed to address specific operational needs. Whether you require a double girder overhead crane with unique specifications or face technical challenges, our experts are equipped to offer effective solutions and guidance.
Our team provides guidance on installation, commissioning, maintenance, and troubleshooting, ensuring your crane operates safely and efficiently throughout its service life. With timely support and expert advice, we help you maximize performance, minimize downtime, and protect your investment.
Once you’ve purchased a double beam overhead crane from Aicrane, you can leave the installation to us. Whether this is your first time installing an overhead crane or you have previous experience, we’re here to guide you through every step of the process and ensure a smooth and safe installation for your team. Let’s take a look at the installation services we provide to our customers.
We provide online installation services through video calls, ensuring a smooth installation process. There are also comprehensive installation manuals and online resources that cover every aspect of crane setup, which can also assist you throughout the installation process.
Our installation technicians can arrive at your project site to provide on-site assistance. We also have local installation teams in Indonesia, Malaysia, the Philippines, Uzbekistan, and other countries, offering timely service.
Additionally, to help you better understand the installation steps in detail, we have created a 3D instructional video. Watch the video below for a comprehensive overview of the entire installation process.
After your double girder overhead crane has been installed and put into operation, proper maintenance is essential to ensure safe, efficient, and long-lasting performance. With its dual-girder structure, heavy-duty hoisting mechanisms, and high operational demands, the crane requires systematic, technically informed upkeep.
Inspect the bridge girders, end carriages, trolley beams, and connections for cracks, deformation, or corrosion. Ensure welds and bolted joints remain secure, as the dual-girder design carries higher load stresses compared to single-girder cranes.
Examine hoist drums, wire ropes, and trolley mechanisms. Replace worn ropes and check drum grooves for uniformity. Verify that hoist brakes and clutches operate within manufacturer specifications to maintain precise load handling.
Inspect crane wheels, rails, and alignment. Correct any misalignment to prevent uneven wear, vibration, or excessive noise. Lubricate wheel bearings and check for deformation under heavy loads.
Perform regular inspections of motors, control panels, wiring, sensors, and PLCs. Check for overheating, loose connections, or signs of insulation wear. Ensure control devices – whether pendant, radio remote, or cabin – respond accurately and safely.
Test all limit switches, overload protection, anti-collision sensors, and emergency stops. These systems are crucial for preventing accidents and ensuring precise load positioning.
Apply appropriate lubricants to bearings, gears, trolley wheels, and guide rollers. Proper lubrication minimizes friction, reduces component wear, and ensures smooth crane operation.
Periodically conduct full-load and partial-load tests to verify lifting performance, braking efficiency, and structural response. This confirms the crane can safely handle rated loads under real conditions.
A comprehensive maintenance schedule should include daily visual checks, weekly operational tests, and monthly detailed inspections, combined with annual preventive maintenance. Documenting each check allows tracking of wear patterns and timely replacement of high-stress components.
When lifting heavy loads of 50-ton, 100-ton, or more, a double-girder design is generally the optimal choice. For lighter or medium loads, such as 5-ton, 10-ton, or 20-ton, you have greater flexibility, with options including both single-girder and double-girder cranes. So, what are the key differences between single girder and double girder overhead cranes? Below is a detailed comparison to help you make the right decision.
| Feature | Single Girder Overhead Crane | Double Girder Overhead Crane |
|---|---|---|
| Structural Design | Single main girder with the hoist running on top; simple structure, lighter weight, easier to install and maintain | Two main girders with the hoist or trolley running between them; more rigid structure, higher load capacity, better stability |
| Load Capacity | Typically 5-25 tons; suitable for light to medium-duty lifting | 5-500 tons and above; suitable for heavy-duty and high-frequency operations |
| Span & Lifting Height | Ideal for short to medium spans and moderate lifting heights; lower headroom requirement | Supports longer spans and higher lifting heights, offering more clearance and flexibility for large facilities |
| Operational Precision & Stability | Suitable for standard lifting tasks; moderate precision and stability | Provides higher stability and precision; can be paired with anti-sway systems or smart hoists for delicate or heavy loads |
| Cost & Investment | Lower initial cost; cost-effective for light to medium-duty applications | Higher upfront investment, but long-term value through durability, higher capacity, and operational efficiency |
| Typical Applications | Warehouses, general workshops, small manufacturing units, light material handling | Steel mills, shipyards, precast concrete plants, heavy machinery assembly, and other high-load industrial operations |
In conclusion, the choice between a double girder vs single girder crane depends largely on your specific operational requirements. While single girder cranes are well-suited for lighter, less complex tasks, double girder cranes offer the strength and flexibility needed for more demanding applications. By understanding the distinctions and considering your operational needs, you can make an informed decision on the right crane type for your business.
In industrial settings, steel structures are integral to supporting the efficient and safe operation of your cranes. At Aicrane, we offer a complete suite of steel structure solutions tailored to enhance the functionality of your double girder overhead crane system. Our industrial steel structure solutions include:
We provide expert design services to create robust steel structure workshops, warehouses, or other industrial buildings that integrate with your overhead crane system. Our designs are tailored to meet your specific operational needs and ensure optimal performance.
Our state-of-the-art manufacturing facilities produce high-quality steel structures that adhere to industry standards. We focus on precision and durability to ensure that our structures can withstand the rigors of heavy-duty lifting operations.
We manage the logistics of delivering your steel structures and overhead cranes to your site efficiently and safely. Our team ensures that all components arrive on schedule and in optimal condition.
Our experienced installation teams handle the assembly of both steel structures and overhead cranes.
We offer comprehensive after-sales services, including maintenance, support, and training, to ensure that your steel structure buildings and overhead cranes continue to operate at peak performance.
For a tailored steel structure and double girder overhead crane solution that meets your specific requirements, contact us today to learn more about our services and how we can support your operations.