Factory Price Double Girder Gantry Crane for Large Container Handling

Double girder gantry cranes can be categorized into different types based on the structural form of the main girder and supporting legs. The most common types include box-type gantry cranes, truss girder gantry cranes, and L-type gantry cranes. Each design offers unique advantages for specific working environments and lifting requirements.

♦Box-type Gantry Crane

The box-type gantry crane uses a rectangular box-shaped girder structure composed of two webs and two flanges. Compared with traditional I-beam designs, this structure provides significantly higher rigidity and load-bearing capacity. It also has excellent resistance to bending and buckling, making it highly suitable for heavy-duty applications. This type of crane is widely used in demanding industrial environments such as steel plants, manufacturing workshops, outdoor storage yards, and ports. It can be configured with various control systems, lifting mechanisms, and safety devices to meet different operational requirements.

♦Truss Girder Gantry Crane

The truss girder gantry crane adopts a triangular lattice structure formed by interconnected steel rods. This lightweight yet strong design offers good stability and excellent wind resistance, which makes it especially suitable for outdoor applications. Due to its reduced self-weight, it is more economical for large-span and medium-to-heavy lifting tasks. It is commonly used in construction sites, railway yards, shipyards, and ports, particularly for handling long steel materials and prefabricated components in windy environments.

♦L-type Gantry Crane

The L-type gantry crane is characterized by its L-shaped supporting legs, which provide increased clearance and working space beneath the crane. This design improves maneuverability when handling long or bulky materials. It is particularly suitable for freight yards, logistics centers, and seaport terminals where efficient loading and unloading operations are required. The L-type structure also enhances stability while allowing better adaptation to site constraints where overhead cranes cannot be installed.

The double girder gantry crane is widely recognized for its strong structure, high performance, and adaptability to heavy-duty industrial applications. Compared with single girder systems, it offers significant improvements in lifting capacity, stability, and operational efficiency.

♦High Lifting Capacity

The double girder structure is specifically engineered to handle extremely heavy loads with ease. It is suitable for lifting large machinery, steel components, prefabricated structures, and other oversized materials. This makes it an ideal solution for industries requiring frequent heavy-duty lifting operations, such as shipbuilding, metallurgy, and large-scale construction projects.

♦Enhanced Stability and Durability

With two main girders working together, the crane provides superior structural rigidity and reduced deformation under load. This design significantly improves operational safety and extends service life, even in harsh or continuous working environments. Its robust construction ensures reliable performance under high-intensity workloads.

♦Wide Working Span and Coverage

Double girder gantry cranes are capable of covering large working areas, making them highly suitable for expansive sites such as shipyards, railway yards, warehouses, and outdoor storage areas. The wide span design allows efficient material handling across multiple work zones, reducing the need for additional equipment.

♦Highly Customizable Configuration

These cranes can be tailored to meet specific operational requirements. Options include different lifting capacities, span lengths, lifting heights, working speeds, and control systems. Additional features such as specialized hoists or automation systems can also be integrated based on project needs.

♦Advanced Safety Protection Systems

To ensure safe operation, the crane is equipped with multiple safety features, including overload protection, limit switches, emergency stop functions, and optional anti-sway technology. These systems help prevent accidents and improve operational control during lifting tasks.

♦Convenient Maintenance and Serviceability

The design of the double girder gantry crane emphasizes accessibility, allowing for easier inspection, maintenance, and part replacement. This reduces downtime and helps maintain long-term operational efficiency.