Top Crane Manufacturer Rail Mounted Gantry Crane for Heavy Loads

Specification:

Load Capacity: 30 - 60 ton
Lifting Height: 9 - 18m
Span: 20 - 40m
Working Duty: A6 - A8

Get Price Contact Us Chat Whatsapp Send Email

Main Components of Rail Mounted Gantry Crane

♦Main Girder

The main girder is the primary load-bearing component of the RMG crane. It is typically designed with a high-strength box girder structure to provide excellent rigidity, stability, and durability. The trolley travels along the main girder, allowing the crane to handle containers efficiently while maintaining smooth and reliable operation under heavy loads.

♦Support Legs

The support legs connect the main girder to the traveling mechanism and transfer the lifting load directly to the rail system. Designed for maximum structural stability, the legs ensure safe operation even during continuous heavy-duty container handling. Different leg configurations can be customized according to the working environment and operational requirements.

♦Crane Traveling Mechanism

The traveling mechanism enables the entire RMG crane to move smoothly along the fixed rails. It consists of electric motors, gear reducers, wheel assemblies, and braking systems that provide stable movement, accurate positioning, and efficient yard coverage. Variable frequency drive (VFD) technology can be applied to achieve smooth acceleration and deceleration while reducing mechanical wear.

♦Hoisting Mechanism

The hoisting system is responsible for lifting and lowering containers safely and efficiently. It mainly includes electric motors, wire ropes, drums, pulleys, and container spreaders. Equipped with precise speed control and anti-sway technology, the hoisting mechanism improves handling accuracy, shortens operation time, and enhances overall productivity.

♦Trolley Traveling System

The trolley mechanism moves horizontally along the main girder to position the container accurately above the target location. Driven by advanced electric motors and frequency-controlled systems, it provides stable, smooth, and highly precise movement, making container loading, unloading, and stacking more efficient.

♦Electrical Control System

The electrical control system serves as the operational center of the RMG crane. It integrates PLC control, variable frequency drives, intelligent monitoring, and automation technology to coordinate all crane movements. The system also supports remote operation, automatic container handling, fault diagnosis, and real-time performance monitoring for higher operational efficiency.

♦Safety Protection System

To ensure safe and reliable operation, the RMG crane is equipped with comprehensive safety devices, including overload protection, travel limit switches, lifting limiters, anti-collision systems, emergency stop functions, wind speed monitoring, rail clamps, and storm anchors. These safety features help protect both operators and equipment while maintaining stable operation under various working conditions.

Advantages

♦High Operating Efficiency

RMG cranes are designed for continuous container handling operations with fast lifting, accurate positioning, and smooth traveling. This significantly improves loading, unloading, and stacking efficiency while reducing cycle times.

♦Precise Container Handling

Operating on fixed rails, RMG cranes provide outstanding positioning accuracy and stable movement. Their precise control minimizes container sway, improves handling safety, and reduces the risk of cargo damage.

♦Maximum Yard Space Utilization

The rail-mounted design allows RMG cranes to operate within designated lanes without requiring additional maneuvering space. This enables higher stacking density and better utilization of container yard capacity.

♦Reliable and Stable Performance

Built with a robust steel structure and rail-guided traveling system, RMG cranes deliver excellent stability even during heavy-duty operations. Their reliable performance ensures long service life and reduced maintenance requirements.

♦Energy Saving and Environmentally Friendly

Powered by electricity, RMG cranes generate lower emissions and less noise than diesel-powered equipment. They are an ideal solution for green ports, automated terminals, and environmentally conscious logistics facilities.

♦Automation and Intelligent Control

RMG cranes can be equipped with PLC control systems, remote operation, automatic positioning, anti-sway technology, and intelligent monitoring systems. These features improve operational safety while reducing labor costs.

♦Flexible Customization

Every RMG crane can be customized to meet specific project requirements, including lifting capacity, span, lifting height, rail gauge, automation level, and control methods. This ensures the crane is perfectly suited to container terminals, railway freight yards, logistics centers, and industrial applications.

Why Choose SEVENCRANE for Your RMG Crane?

♦Powerful Manufacturing Strength

SEVENCRANE has advanced production facilities and a professional engineering team dedicated to designing and manufacturing high-performance RMG cranes. Every crane is built with high-quality materials and precision manufacturing processes to ensure excellent durability, reliability, and long-term performance in demanding working environments.

♦Rich Industry Experience

With years of experience in the lifting equipment industry, SEVENCRANE has successfully delivered customized crane solutions to customers worldwide. Our extensive expertise enables us to understand the unique requirements of container terminals, railway freight yards, logistics centers, and industrial projects, providing solutions that maximize operational efficiency.

♦Strict Quality Assurance

Quality is at the core of everything we do. Every RMG crane undergoes rigorous inspections and comprehensive testing throughout the manufacturing process. From raw material selection to final commissioning, we follow strict international quality standards to ensure safe operation, stable performance, and a long service life.

♦Comprehensive After-Sales Service

Choosing SEVENCRANE means receiving reliable support throughout the entire project lifecycle. We provide professional technical consultation, customized design, installation guidance, operator training, spare parts supply, and responsive after-sales service. Our experienced team is always ready to provide timely assistance, ensuring your RMG crane operates efficiently and reliably for years to come.