U-Frame RTG Gantry Crane for Industrial Material Handling

The most visible feature is the open space between the crane legs. This gap is designed so that trucks, trailers, and long materials can pass through the crane while lifting work continues nearby.

In practical yard work, this means less waiting and fewer interruptions.

• Vehicles can move through the crane without stopping lifting operations
• Long materials such as beams or precast segments are easier to position and transfer
• Yard traffic flow stays more continuous, even during heavy lifting cycles

The main structure is built with high-strength steel. It is designed for heavy, long, and uneven loads commonly found in steel plants, construction sites, and shipyards.

The frame is reinforced to maintain stability even when the load is not perfectly centered.

• Designed for heavy-duty lifting and long-span materials
• Maintains stability under uneven load distribution
• Suitable for continuous industrial operation in demanding conditions

Instead of fixed rails, the crane moves on rubber tyres, allowing flexible operation across large outdoor yards without permanent infrastructure.

It can be repositioned based on working needs.

• No rail installation required
• Can move between different working zones in the yard
• Works well on prepared concrete or compacted ground surfaces

The crane is equipped with multiple steering modes, making it suitable for complex yard layouts and tight working environments.

• Straight-line travel for long-distance movement
• Side or diagonal movement for precise positioning in narrow spaces
• Better control when working around stored materials or transport routes

It is also compatible with different lifting tools, allowing one crane to handle multiple material types.

• Hook systems for general lifting tasks
• Spreader beams for long precast or structural components
• Clamps or grabs for steel bundles and similar materials

In precast production yards and bridge construction sites, the crane supports continuous movement of large concrete components. It works between casting zones, curing areas, storage stacks, and loading points.

• Precast bridge beams and long concrete girders
• Segmental bridge blocks and tunnel lining segments
• Storage yard stacking and sorting operations
• Loading onto transport trailers for site delivery

The crane effectively acts as the central transfer system linking all production and logistics stages.

• U-frame RTG crane for vehicle passage under lifting zone
• Double girder structure for long-span stability
• Heavy-duty outdoor configuration with reinforced wheel system
• Anti-sway control system for long precast elements

• Capacity: 80 ton to 300 ton (higher for special projects)
• Span: 20 m to 40 m depending on yard layout
• Lifting height: 10 m to 20 m
• Duty class: A5 to A7 for frequent daily operation

• If precast beams exceed 20–25 meters, prioritize span stability and anti-sway control instead of only increasing tonnage
• For high-output precast yards, select A6 or A7 duty class to reduce overheating and downtime risk
• When trucks frequently enter loading zones, ensure U-frame clearance allows full trailer height plus safe working margin
• For continuous production lines, consider dual-hoist or synchronized lifting systems to improve handling efficiency

Steel yards operate under high-frequency lifting conditions where materials are continuously moved, sorted, and loaded. The workflow is usually fast-paced with minimal downtime between lifting cycles.

• Steel beams, H-beams, and structural sections
• Steel plates and thick metal sheets
• Pipe bundles and fabricated steel components
• Storage yard stacking, sorting, and loading operations

Efficient coordination between crane operation and truck movement is essential to avoid bottlenecks in busy yard environments.

• Standard RTG or reinforced U-frame RTG depending on yard layout
• Optional electromagnetic lifting system for steel plates
• Hook, clamp, or grab systems for bundles and pipe handling
• Heavy-duty rubber tyred mobility system for outdoor operation

• Capacity: 50 ton to 200 ton
• Span: 18 m to 35 m
• Lifting height: 8 m to 15 m
• Medium to high travel speed depending on yard size and workflow intensity

• For steel plates, electromagnetic lifting can improve efficiency, but only when surface conditions are suitable
• In high-traffic yards, multi-directional steering (crab movement) helps reduce repositioning time
• For frequent short-cycle loading, prioritize travel speed and handling efficiency over excessive lifting height
• For uneven or rough yard surfaces, reinforced tires and suspension systems are recommended to reduce maintenance issues
• For mixed material handling, a quick attachment change system improves operational flexibility

Shipyards handle oversized and irregular structural assemblies that are built in sections and moved multiple times before final docking and installation.

• Ship hull blocks and large steel sections
• Prefabricated ship modules
• Outfitting structures and deck assemblies
• Dockside positioning and final assembly operations

These operations require careful coordination because load balance may shift during lifting and transportation.

• Heavy-duty U-frame RTG crane with high clearance design
• Dual hoist or synchronized lifting system for large modules
• High structural rigidity for oversized component handling
• Anti-wind and stability reinforcement system for outdoor dock use

• Capacity: 150 ton to 600 ton
• Span: 25 m to 50 m
• Lifting height: 15 m to 30 m
• Precision control system for synchronized and multi-point lifting

• For large hull blocks, tandem lifting or synchronized hoist systems are often required
• For wide ship sections, span and structural rigidity are more important than lifting speed
• Wind load must be considered; anti-sway and wind-resistant control systems are essential in open dock environments
• For long production cycles, fatigue design and structural reinforcement should be carefully evaluated
• Operator visibility and remote control systems improve safety during complex positioning and assembly work

Ports and logistics yards handle mixed cargo flows where standard container systems are not always suitable. RTG cranes are used as flexible support equipment for handling non-standard and oversized goods.

• Oversized industrial equipment
• Heavy machinery and project cargo
• Non-standard packaged goods
• Transfer between trucks, storage yards, and stacking zones

This makes RTG cranes an important complement to container handling systems in modern ports.

• Standard RTG gantry crane with rubber tyred mobility
• Flexible steering system for narrow and congested yard layouts
• Hook or modular lifting attachments for different cargo types

• Capacity: 40 ton to 120 ton
• Span: 15 m to 30 m
• Lifting height: 10 m to 18 m
• Medium-duty operation cycles for flexible port handling

• If yard space is limited, prioritize compact turning radius and steering flexibility
• For mixed cargo operations, use modular lifting attachments for faster switching between tasks
• For seasonal or intermittent operation, simpler control systems can help reduce maintenance costs
• Avoid oversizing capacity; in logistics terminals, operational efficiency is more important than maximum lifting force
• Optimize travel routes to reduce empty travel time and improve cycle efficiency

In heavy manufacturing facilities, RTG cranes are used to move large and irregular components between different production zones, including workshops, assembly lines, and storage yards.

• Machine frames and large bases
• Industrial equipment modules
• Assembly parts and structural components
• Internal transport between workshop and yard areas

Material flow is often non-standard, requiring adaptable handling solutions.

• U-frame RTG crane for flexible access between production zones
• Hook, clamp, or custom lifting systems depending on load type
• Indoor-outdoor transition design for integrated plant layouts
• Moderate-speed control system for precise positioning

• Capacity: 50 ton to 250 ton
• Span: 18 m to 35 m
• Lifting height: 10 m to 18 m
• Precision-focused control system for controlled positioning

• If production layout changes frequently, prioritize mobility and steering flexibility over maximum lifting capacity
• For assembly operations, use smooth speed control instead of high-speed travel systems
• Remote control operation improves safety in crowded workshop environments
• Check ground conditions carefully if the crane moves between indoor and outdoor areas
• For precision components, include anti-sway control to improve positioning accuracy

Energy projects require precise handling of large and often delicate components during installation, maintenance, and assembly stages. Many of these components are both oversized and highly sensitive to positioning errors.

• Wind turbine towers and blades
• Generator and turbine assemblies
• Hydro and thermal power equipment modules
• Large structural installation components

Careful control of lifting path and load balance is essential for safe installation.

• Heavy-duty U-frame RTG crane with high stability structure
• Precision lifting control system for installation accuracy
• Reinforced design for outdoor and remote installation sites
• Specialized spreader beam systems for turbine components

• Capacity: 100 ton to 500 ton
• Span: 20 m to 45 m
• Lifting height: 15 m to 25 m
• Fine control system for high-precision installation work

• In wind projects, lifting height and outreach are often more critical than pure lifting capacity
• Blade handling requires dedicated spreader beam systems; standard hooks are not suitable
• Coastal and offshore environments require corrosion protection and sealed electrical systems
• For multi-model turbine projects, modular lifting tools improve flexibility and efficiency
• Future project expansion should be considered early to avoid crane replacement later

One of the most practical advantages is that trucks and trailers can pass directly under the crane while lifting operations continue in nearby areas. This significantly reduces waiting time and helps avoid congestion in busy yards.

• Vehicles can move through the working zone without stopping lifting operations
• Loading and unloading can happen within the same passage corridor
• Reduces bottlenecks in high-traffic industrial yards
• Keeps material flow continuous between production and dispatch points

In daily operation, this leads to fewer delays during peak working periods and better overall yard efficiency.

Unlike rail-mounted gantry systems, the U-frame RTG operates on rubber tyres and does not require fixed track infrastructure. This simplifies installation and allows easier adaptation to changing yard layouts.

• Operates directly on reinforced concrete or prepared yard surfaces
• No rail foundation construction or alignment required
• Easier relocation within the same industrial site
• Suitable for temporary or expanding production layouts

This reduces both initial construction time and long-term infrastructure limitations.

The open U-frame structure is designed specifically for handling materials that are difficult for conventional cranes, such as long beams and irregular steel structures.

• Handles long-span materials without blocking transport routes
• Maintains stability even with off-center or uneven loads
• Compatible with different lifting tools for varied materials
• Reduces the number of handling steps required in the yard

This is especially valuable in construction, steel fabrication, and shipbuilding environments.

Because vehicles can move beneath the crane, yard planning becomes more flexible. Storage, lifting, and transport activities can share the same working zone efficiently.

• Improves space utilization in crowded industrial yards
• Reduces dead zones caused by fixed crane travel paths
• Supports smoother coordination between storage and transport areas
• Enables higher productivity without expanding yard size

In many cases, this allows the same site to handle more workload without additional land expansion.

The same RTG crane platform can be adapted for different industries simply by changing lifting attachments, control systems, or capacity configuration.

• Compatible with hooks, clamps, spreader beams, and magnets
• Adjustable capacity based on project requirements
• Suitable for construction, steel, shipbuilding, logistics, and energy industries
• Works for both continuous production and project-based operations

This flexibility makes it a common choice for multi-purpose industrial yards with evolving operational needs.