The rail-mounted container gantry crane (abbreviated as yard crane, RMG) is mainly used for container loading, unloading, and stacking operations at port container terminals and railway container freight yards. By changing the spreader, it can also handle the lifting and transport of various materials such as general cargo and bulk cargo. With its advantages of high operating efficiency, high yard utilization, low failure rate, flexible and diverse appearance design, simple operation, convenient maintenance, low energy consumption, low operating cost, and energy-saving and environmentally friendly features, RMG has gained increasing popularity. Wuxin RMG complies with the latest domestic and international standards such as GB, FEM, DIN, IEC, and AWS, featuring safety and stability, customizability, low operation and maintenance costs, and energy-saving and environmentally friendly characteristics.
Product Advantages
1. Spreader Slewing System
The spreader can rotate horizontally for convenient container alignment.
2. Robust Structural Design
Reduces sway, facilitating operation and container alignment.
3. Multiple Power Supply Options
For the gantry: safety conductor rail, cable reel; for the trolley: festoon pulley, drag chain.
4. Travel Mechanism Design
Adopts spline hollow shaft three-in-one geared motor, featuring light weight, easy assembly and disassembly, and low maintenance cost.
5. Intelligent Lubrication Design
Each lubrication point is supplied with grease at regular intervals and in precise amounts, reducing manual maintenance costs.
6. All-Electric Design
Complies with IE3 energy efficiency class in IEC60034 standard, energy-saving and environmentally friendly.
7. Modular Design
Facilitates in-plant pre-assembly and modular road and water transport, reducing on-site installation and commissioning time.
8. Advanced Processes and Equipment
The main girder is manufactured and formed as a whole to ensure a smooth camber curve, effectively reducing trolley rail gnawing.
9. Multiple Safety Guarantees
Through redundant design of multiple safety protections and real-time online cloud monitoring system, the safe use of the crane is effectively ensured.
10. Advanced Tooling Assurance
Integral turning tooling for large main girder components enables flexible turning of large beam bodies such as the main girder, ensuring flat-position welding of main welds.
11. Secondary Sandblasting Process
Ensures that the surface cleanliness and roughness of structural components meet coating quality requirements before painting, guaranteeing coating quality.
12. Container Truck Anti-Lifting
By detecting the positional relationship between the container truck and the container, it determines whether the container is hooked with the chassis, preventing safety accidents caused by lifting the container truck.
13. Anti-Cab-Crushing System
During the spreader loading process, it detects whether the container truck has moved, avoiding cab-crushing accidents.
14. Operation Area Electronic Fence
Identifies personnel and other abnormal objects within the area and implements mechanism restriction strategies, enhancing equipment operation safety.
15. Anti-Bowling System
Real-time identification of container conditions in the yard area, combined with the automatic control system, prevents collision with yard containers during operations, improving operation safety.
16. Automatic Deviation Correction
Real-time detection of position deviation of gantry travel on both sides, automatically adjusting motor speed to achieve automatic deviation correction, avoiding rail gnawing, and extending crane service life.
17. High Power Factor, Low Harmonics (Feature)
Adopts intelligent compensation and harmonic elimination system to improve power factor, reduce line losses, and optimize power quality.
18. One-Button Anchoring
Adopts precise positioning technology and electric anchoring device to achieve one-button automatic anchoring.
Application Scenarios
The rail-mounted container gantry crane (abbreviated as yard crane, RMG) is mainly used in ports, wharves, railway stations, yards, etc., and can handle the lifting and transport of various materials such as containers, general cargo, steel plates, steel coils, section steel, scrap steel, and bulk cargo. It uses steel wheels running on steel rails and can be powered by 380V~10KV mains electricity.
Optional Configurations
1. Multi-Purpose Design (Optional): Different types of spreaders can be quickly replaced to handle general cargo, steel, bulk cargo, etc.
2. Wire Rope Anti-Sway System (Optional): Fully automated cranes can be designed with eight-rope anti-sway or electronic anti-sway; non-automated cranes can be designed with auxiliary rope anti-sway or X-type anti-sway. Excellent anti-sway effect.
3. Slewing Trolley (Optional): Achieves slewing of the lifted load (-10°~+190°).
4. Energy Recovery System (Optional): Recovers energy from load lowering, reducing energy waste.
5. Automated Design (Optional): Enables remote control or full automation of the crane, allowing one operator to manage multiple cranes or fully automated operation.
6. Intelligent Lubrication (Optional): Enables automatic lubrication at different lubrication points with individual timing and metering.
7. Intelligent Online Monitoring System (Optional): Real-time online monitoring of the operating status of key crane components (including vibration, temperature rise, etc.) with data transmission to a remote control center.













