Container Gantry Crane

Container gantry crane is designed to improve the efficiency of container yard operations. It is responsible for stacking, loading and unloading containers, and the transportation of containers is done by a container trailer. The typical container gantry crane is a rail mounted gantry crane with high work efficiency, reliablity and safety. In addition, we also provide standard gantry cranes equipped with container spreaders to meet container handling needs while reducing customer costs.

Cases of Aicrane Container Handling Gantry Cranes

60 Ton Container Gantry Cranes For Railway

AQ-MG 60 TonIn Chile

Aicrane 60 ton railway container gantry cranes were installed in Chile for loading and unloading containers. This is the Aicrane AQ-MG European standard double girder gantry crane with container spreader, which is a cost-effective option due to the tight budget of the client. Learn more +

32 Ton Container Gantry Crane For Logistics Stations

AQ-MGH 32 Tonin Kazakhstan

Aicrane double girder 32 ton container gantry crane was installed at a logistics station in Kazakhstan. It is used to lift, load and unload containers in the container yard. This 32 ton gantry crane is a universal double girder gantry crane equipped with a container spreader, with span of 30m, lifting height of 13m and work duty of A5.

45 Ton RMG Container Gantry Crane

Exported to Kazakhstan

Aicrane 45 ton RMG container gantry crane was exported to Kazakhstan. The span of the gantry crane is 32m. The project is located in a container yard in Almaty, and the use of the RMG container gantry crane can greatly improve the container handling efficiency for the customer.

41T Container Gantry Crane for Railway Freight Yard

RMG 41 TonIn China

The 41 ton container gantry crane is used for stacking, loading and unloading containers in a railway freight yard. It is a rail mounted container gantry crane which can greatly improve the working efficiency and ensure safety.

Advantages Of RMG Container Gantry Cranes

• Electric drive, save energy and reduce pollution – since the rail mounted container gantry crane is driven by electric energy, it has certain advantages in reducing noise and eliminating exhaust emissions, and is a more environmentally friendly device.
• High yard utilization – the span of the RMG container crane is relatively large. Generally, it can accommodate 8 to 15 columns of containers stacked inside the span, or multiple lanes can be placed in the span, so that the site space can be better utilized.
• High degree of automation – generally, various devices for intelligent control and automatic operation are installed on the rail-mounted container gantry crane, such as storage system, retrieval system, positioning system, etc. In addition, the mechanism design with high running speed is adopted, which can greatly improve the working efficiency.
• Reliable performance – the rail mounted gantry crane is superior to the rubber tyred gantry crane in terms of stacking height, stacking container positioning accuracy control, anti-sway performance and the stress state of the steel structure.

How to Select The Right Container Gantry Crane For Your Business

The selection of container crane needs to be comprehensively considered based on factors such as the terminal’s capacity, collection and transportation methods, terminal road area, environmental protection, investment costs and operating costs. Here we provide three easy steps to help you choose the right gantry crane for your application:

1. Determine the type of container gantry crane.

What type of shipping container gantry crane do you need? Rail-mounted gantry crane or rubber-tired gantry crane? The two types of gantry cranes are widely used in container yards and have similar functions, but there are certain differences in technical performance, loading and unloading performance, operational performance, economic performance, and automation performance.

Compared with rubber tyred gantry crane, rail mounted gantry crane has the advantages of high technical performance, high loading and unloading efficiency, low operation cost, high utilization of the yard, convenient operation and maintenance, and easy to realize automation. Moreover, the span and overhang distance of RMG crane can be customized to meet the requirements of different yard operations. However, RTG gantry cranes are unmatched in terms of maneuverability and flexibility. Choosing the right type is critical to the efficiency and safety of your container handling operations.

2. You have to be clear of your gantry crane parameters.

The main parameters of the container handling gantry crane include: load capacity, span, lifting height, the type of container to be lifted (20′ or 40′), the number of containers handled per hour, stacking height such as stacking three to pass four or stacking four to pass five, whether the spreader is parallel to the main beam or vertical to the main beam, whether the spreader can be rotated, etc. Know your container gantry crane parameters to ensure the crane you choose has the right size and capacity for your application.

3. Consider your budget.

With the wide variety of container gantry cranes available, choosing the right gantry crane equipment within your budget is critical to maximizing the value of your business.

So how do you choose the right gantry crane within your budget? That’s what our experienced engineers do. According to the parameters of the gantry crane and budget you provide, our engineers will comprehensively consider and recommend the most suitable gantry crane for your requirements and budget.

If you’re not sure which type of gantry crane is right for you, simply contact Aicrane! Our project consultants and engineers will work together to help you!

The Main Structure Of RMG Container Cranes

Metal Structure

• Main Beam – the off-track box girder is often used. In order to avoid the high stress area caused by the wheel pressure for the flange weld, the “T” steel is used to weld the main beam face plate and load-bearing web to the rail part. The connection between the main beam and the rigid leg adopts high-strength bolts or welding, and the connection with the flexible leg adopts a hinged connection.
• Legs – both the rigid leg and the flexible leg adopt a box-shaped structure. For rail-mounted container gantry cranes with small and medium spans, the legs on both sides are made of rigid legs. For “Π” shaped legs, the strength and stiffness along the direction of the crane are realized through the rigid connection between the legs and the top beam. For U-shaped legs, it is realized through the rigid connection between the legs and the bottom beam, while the strength and rigidity along the direction of the trolley is realized by the rigid connection of the main beam and the rigid leg.
• Trolley – the structure of the trolley is different depending on whether the hoisting mechanism is a wire rope drum type or a telescopic rigid frame type. Generally, a combined structure of box girder and plate truss is adopted. The driver’s cab, electric control cabinet, anti-swaying device, festoon cable, etc. are all connected to the trolley structure.
• Auxiliary structure – the structure includes the electrical room and escalators, walkways, maintenance platforms, etc., located on one side of the main beam.

Lifting mechanism

• The lifting mechanism consists of electric motor, disc brake, reducer, and duplex drum. The wire rope drum lifting mechanism is driven by an AC motor, and a single-layer rope groove drum is driven by a closed spiral gear reduction box to wind the rope. The motor has enough power to ensure good acceleration performance.
• An elastic coupling with a brake disc is provided between the hoisting motor and the reduction box. The brake is a hydraulic push rod disc brake released by a spring brake push rod.
• An overspeed switch is provided on the high-speed shaft end of the hoisting mechanism. When the motor speed exceeds 115% of the rated speed, the entire machine is stopped in emergency.
• Detected by the weight sensor, when the load under the spreader is between 100% and 110% of the rated load, the rated load indicator light in the driver’s cab is displayed. When the load under the spreader exceeds 110% of the rated load, the buzzer alarms, the overload indicator flashes, and the PLC prohibits the lifting mechanism from continuing to lift upwards, but allows the lifting speed limit to drop and lower the load.

Trolley travelling mechanism

• The trolley running mechanism generally consists of a wheel set, a motor, a reducer, a brake, a coupling, etc. or a three-in-one reducer and a guide wheel set.

Crane travelling mechanism

• RMG crane travelling mechanism mainly consists of three-in-one reducer drive, rail clamp, buffer, wheel clamp, etc.