In today’s logistics and port industries, the container gantry crane plays an essential role in ensuring the smooth handling of heavy containers. Whether used in shipping terminals, railway yards, or industrial storage sites, this equipment offers unmatched efficiency, safety, and reliability. With its ability to lift and move containers quickly, a container gantry crane reduces downtime and increases productivity, making it one of the most important pieces of material handling equipment. Operators looking for long-term, heavy-duty solutions often choose models such as the 20 ton gantry crane or a double girder gantry crane, depending on the load requirements and working environment.
Why Choose a Container Gantry Crane?
The main advantage of using a container gantry crane is its ability to handle large, heavy containers with precision and speed. Compared with general lifting equipment, gantry cranes are specifically designed for containerized cargo, offering stable operation and enhanced safety. For large-scale operations that require handling of containers exceeding 20 tons, a double girder gantry crane provides greater lifting capacity, larger spans, and higher stability, while a 20 ton gantry crane is ideal for medium-sized projects with frequent lifting needs.
Key Components
♦Box Beam: The box beam of a container gantry crane adopts a square box-shaped cross-section, which ensures excellent rigidity and strong resistance to bending. It is typically manufactured from high-strength steels such as Q345B or Q235B to guarantee sufficient mechanical strength and durability. Advanced welding processes are applied to each section, ensuring that the beam structure is fully integrated and reliable. To further improve performance, reinforcement ribs are added in key positions, which enhance torsional resistance and extend the service life of the crane.
♦Drive Mechanism: The drive system of a container gantry crane integrates motor, reducer, and brake into one compact mechanism, providing a safe, reliable, and efficient performance. It usually employs a three-phase AC variable frequency motor, coupled with a hard-tooth surface reducer for durability. The braking system uses electromagnetic brakes with asbestos-free pads, which deliver strong braking power while minimizing maintenance. This integrated design improves safety and reduces operational downtime, making it suitable for heavy-duty container handling.
♦Electrical System: The electrical system of the crane is designed for precise control and smooth operation. By using frequency converters, operators can adjust running speed, micro speed, and double speed as needed. This ensures stable motion, reduced inertia, and higher accuracy in container lifting and positioning. The electrical control box is compact, logically arranged, and easy to maintain. With a high protection rating up to IP55, the system is resistant to dust and water, ensuring reliable operation even in outdoor environments.
♦Wheel Part: The wheels of a container gantry crane are manufactured from premium alloy steels such as 40Cr or 42CrMo, and undergo heat treatment for high hardness and wear resistance. This design extends the service life of the wheels and provides strong load-bearing capacity. Equipped with self-aligning bearings, the wheels reduce friction and allow smooth operation even under heavy loads. The modular wheel system can be adapted to different customer requirements, while buffer devices are included to ensure stable and safe movement during operation.
♦Protective Devices: Container gantry cranes are equipped with multiple protective systems to guarantee operator and equipment safety. Protective covers and guardrails are installed to prevent collisions. Safety devices include anti-collision sensors, sound and light alarms, lifting weight and height limiters, and track clamping mechanisms. For outdoor use, rainproof designs protect the lifting mechanism and electrical components, while overspeed protection, zero-pressure protection, and lightning protection further enhance reliability under harsh working conditions.
Why Buy from Us?
When investing in a container gantry crane, choosing the right manufacturer is critical. We offer a wide range of solutions tailored to your needs, from 20 ton gantry cranes for medium-duty handling to double girder gantry cranes for large-scale heavy lifting. Our products are built with premium materials, advanced designs, and strict quality control to ensure long-term performance and safety. With competitive pricing, timely delivery, and comprehensive after-sales support, we provide customers with reliable equipment and peace of mind.
