In the dynamic and rapidly expanding landscape of global trade, the rubber tired gantry crane (RTG) has emerged as a pivotal component in the efficient handling of containerized cargo, particularly in countries like China where port infrastructure is undergoing significant development. China, with its robust economic growth and increasing trade volumes, has seen a surge in the demand for advanced container handling solutions.

This in-depth guide delves into the world of rubber tired gantry cranes in China, exploring their critical role in enhancing the operational efficiency and sustainability of port operations. Readers can expect to gain insights into the various types of RTGs, including 8-wheel and 16-wheel models, and their respective advantages, such as low maintenance costs and high maneuverability. The guide will also cover the different power supply options, including diesel, electric, and hybrid systems, and how these are driving the market towards more energy-efficient and environmentally friendly solutions.

Additionally, this guide will discuss the technological advancements that are transforming the RTG market,

China Rubber Tyred Gantry Crane …

Given that the specific website you mentioned is not accessible in the provided search results, I will create a comprehensive guide to Rubber Tyred Gantry (RTG) Cranes based on the information available from the other sources.

Guide to Rubber Tyred Gantry (RTG) Cranes

Introduction

Rubber Tyred Gantry (RTG) Cranes are specialized material handling and container lifting equipment widely used in ports, container yards, and intermodal terminals. These cranes are characterized by their ability to travel on rubber tires, providing flexibility and efficiency in container handling operations.

Key Specifications and Parameters

Capacity and Span

• Lifting Capacity: RTG cranes typically have a lifting capacity ranging from 20 to 45 tons, with some models capable of handling up to 100 tons under the spreader[1][5].
• Span: The span of an RTG crane indicates the distance between the outer edges of the two legs and can range from 22 to 28 meters, often covering 5 to 10 container rows plus a truck lane[1][2][5].

Lifting Height

• Hoisting Height: The maximum height an RTG crane can lift containers varies, typically from 1 over 3 to 1 over 6 containers high, corresponding to heights such as 12.3 meters for 1 over 3 and 21 meters for 1 over 6[1][2][5].

Wheel Configuration

• Wheel Arrangement: RTGs can have different wheel configurations, such as 4×2, 6×2, or 8×4, depending on operational requirements and surface conditions[1].

Power Supply

• Power Options: RTG cranes can be either diesel-powered or electric-powered, chosen based on environmental considerations, cost, and availability of power sources[1][3].

Operational Capabilities

Lifting and Travel Speeds

• Lifting Speed: The speed at which the crane can raise or lower containers typically ranges from 12 to 46 meters per minute[1][5].
• Travel Speed: The speed at which the crane moves along the yard can range from 45 to 90 meters per minute[1][5].

Container Handling

• Container Stacking: RTGs are designed to handle and stack containers efficiently, with features like anti-sway systems and precise spreader positioning to minimize handling times[1][2].

Design and Components

Gantry Frame and Running Mechanism

• Gantry Frame: The frame consists of the main beam and legs, typically constructed as a box type for stability[5].
• Running Mechanism: Includes driving devices, wheel groups, and protective devices such as overload limit, deceleration limit, and stop limit switch protection[5].

Electrical and Control Systems

• Electrical System: Often includes AC drives and robust control systems designed to ensure efficient and reliable operation. Features like all-electric spreaders reduce maintenance needs[2][5].
• Control Options: RTGs can be operated from a cabin or via remote control, offering flexibility and safety. Industrial remote controls with dual joysticks allow for precise operation from a safe distance[5].

Safety and Efficiency Features

Anti-Sway System

• Anti-Sway Mechanism: Many RTGs are equipped with an anti-sway system, such as the eight rope reeving system, which minimizes sway in hoist, trolley, and travel directions, enhancing safety and efficiency[1][2].

Steering and Mobility

• Steering Capabilities: RTGs can perform various motions including linear movement, 90-degree lateral motion, diagonal motion, pivot steering, and Ackerman steering, making them highly flexible[5].
• Tyre Durability: The tyres used have excellent heat dissipation and durability, and features like differential axles reduce tyre wear during turns[2].

Environmental and Operational Conditions

Operating Temperature

• Temperature Range: RTG cranes are designed to operate within a temperature range of -20°C to 40°C, making them suitable for various environmental conditions[1][5].

Yard Slope and Wind Resistance

• Yard Slope: RTGs can operate on yard slopes up to 1:100 in either direction[2].
• Wind Resistance: Designed to withstand in-service wind speeds up to 72 km/h and out-of-service wind speeds up to 151.2 km/h[2].

Customization and Applications

Custom Designs

• Tailored Specifications: RTG cranes can be customized to meet specific customer needs and working conditions, including varying capacities, spans, and lifting heights[1][5].

Indoor and Outdoor Use

• Versatile Use: RTGs are suitable for both indoor and outdoor applications, including ports, quays, freight yards, shipyards, and rail terminals[3][5].

By understanding these key aspects of Rubber Tyred Gantry Cranes, users can make informed decisions about their selection, operation, and maintenance, ensuring optimal performance and efficiency in container handling operations.

RTG Crane

Rubber Tyred Gantry (RTG) Crane Guide

Overview

Rubber Tyred Gantry (RTG) cranes are specialized material handling equipment primarily used in ports, container yards, and intermodal terminals. These cranes are characterized by their ability to travel on rubber tires, providing flexibility and efficiency in container handling operations.

Key Specifications and Parameters

Capacity

• The lifting capacity of RTG cranes typically ranges from 35 to 40 tons, although some models can handle up to 100 tons under the spreader[1][4][5].

Span

• The span length indicates how wide the crane can extend over container rows. Common spans range from 23 to 27 meters, and can be as wide as 22 to 28 meters to cover multiple container rows plus a truck lane[1][4][5].

Lifting Height

• The hoisting height signifies the crane’s capability to lift containers. RTG cranes can lift containers up to 1 over 3 to 1 over 6 containers high, accommodating various stacking requirements[1][4][5].

Lifting Speed

• The lifting speed of RTG cranes varies, typically ranging from 12 to 46 meters per minute. This speed is crucial for efficient container handling[1][5].

Crane Speed

• The speed at which the crane can move along the yard is another important parameter, usually ranging from 45 to 90 meters per minute. This mobility enhances the overall efficiency of the container yard[1][5].

Operating Temperature

• RTG cranes are designed to operate within a temperature range of -20°C to 40°C, ensuring they can function in various environmental conditions[1][5].

Design and Operational Features

Wheel Configuration

• RTG cranes can have different wheel configurations such as 4×2, 6×2, or 8×4, depending on operational requirements and surface conditions[1].

Power Supply

• RTG cranes can be either diesel-powered or electric-powered. Electric-powered cranes are preferred for their lower energy consumption and reduced maintenance needs[1][3].

Container Handling

• RTG cranes are equipped with advanced spreader systems, often featuring eight rope reeving anti-sway systems. These systems ensure precise and stable container handling, minimizing sway in hoist, trolley, and travel directions[1][3].

Advantages and Benefits

Flexibility and Mobility

• Since RTG cranes run on rubber tires, they do not require permanently fixed rails, allowing for extreme flexibility in movement across the yard or factory area[2][5].

Efficiency and Productivity

• RTG cranes are designed to maximize the use of storage yard space, expanding the working area and improving work efficiency. They can stack containers up to six high and eight wide, significantly enhancing productivity[5].

Durability and Reliability

• These cranes have robust steel structures, good sealing, and anti-corrosion features, ensuring long service life and the ability to withstand harsh weather conditions. They also have low running costs and require minimal maintenance[5].

Environmental Considerations

• RTG cranes can be equipped with electric or hybrid power systems, reducing fuel consumption and emissions, which is beneficial for environmental sustainability[5].

Technical Details

Working Level

• RTG cranes are classified into different working levels such as A6, A7, and A8, which indicate their operational capabilities and load handling capacities[4].

Drive Systems

• Modern RTG cranes often feature advanced drive systems, including AC drives and differential axles that reduce tyre wear and allow for smooth 90-degree turns[3].

Safety Features

• These cranes are equipped with user-friendly interfaces and advanced safety features, ensuring easy operation and maintenance. They also include anti-skew and trim and skew spreader positioning systems for precise container handling[3][5].

Conclusion

Rubber Tyred Gantry cranes are indispensable in the modern containerized transportation system due to their flexibility, efficiency, and reliability. By understanding the key specifications, design features, and operational benefits of RTG cranes, users can optimize their container handling operations and enhance the overall productivity of their facilities.

Rubber Tired Gantry Crane

Guide to Rubber Tired Gantry (RTG) Cranes

Introduction

Rubber Tired Gantry (RTG) cranes are versatile and highly efficient pieces of equipment widely used in ports, docks, container yards, and other logistics facilities. They are characterized by their use of rubber tires, which allow for free movement and multi-directional operation without the need for rail tracks.

Key Features of RTG Cranes

Mobility and Flexibility

• Free Movement: RTG cranes can move freely on the ground without being confined to tracks, allowing for strong adaptability and the ability to quickly adjust positions within the yard[1][2][4].
• Multi-Directional Movement: The rubber tire design enables RTGs to move in multiple directions, making them suitable for operation in narrow and complex yard layouts[1][2][5].

Environmental Protection and Energy Conservation

• Electric Drive: Modern RTGs typically use electric drive systems, reducing the reliance on diesel engines and subsequently lowering emissions and noise. This aligns with environmental requirements and enhances energy efficiency[1][2][4].
• Energy Efficiency: RTG cranes have lower energy consumption, lower operating costs, and are more economical for long-term operation compared to other types of cranes[1][2][3].

Efficient Operation

• Quick Positioning: RTGs can quickly locate designated locations, reducing loading and unloading times and improving overall work efficiency[1][2][4].
• Precision Control: Equipped with advanced electrical control systems and sensors, RTGs can achieve precise lifting, movement, and placement operations, ensuring accuracy and safety[1][2][3].

High Security

• Windproof Design: The design of RTG cranes takes into account wind resistance, ensuring stable operation in windy environments and maintaining operational safety[1][2][4].
• Complete Safety Devices: RTGs are equipped with various safety devices such as collision avoidance systems, emergency braking systems, and load monitoring systems to ensure operational safety[1][2][4].

Convenient Maintenance

• Simple Structure: Compared to fixed rail cranes, RTGs have a simpler structure, making them more convenient for maintenance and repair[1][2][4].
• Easy Maintenance: The design of rubber tires and electric systems makes daily maintenance and upkeep easier, reducing downtime and maintenance costs[1][2][4].

Strong Adaptability

• Multipurpose: RTGs are not limited to container handling; they can also be used for handling other bulk goods such as steel and equipment, making them versatile in various applications[1][2][4].
• Suitable for Multiple Environments: RTGs do not require tracks and can operate on various ground conditions, including uneven or unpaved surfaces, showcasing their strong flexibility[1][2][4].

Economic Efficiency

• Low Initial Investment: Compared to rail cranes, RTGs have a lower initial investment cost as they do not require the construction of rail foundations[2][4].
• Low Operating Costs: The use of electric drive systems reduces fuel and maintenance costs, making long-term operation more economical[1][2][3].

Specifications and Capabilities

• Lifting Capacity: RTGs can stack containers up to six high and eight wide, with a lifting capacity of up to 65 tons[3].
• Stacking Height: RTGs can stack containers to a height of up to 1 over 1, meaning they can stack containers on top of each other up to one over one[4].
• Slewing and Spanning: RTGs are capable of slewing (rotating horizontally) and spanning multiple container rows, allowing them to handle multiple containers at once[4].

Steering Modes and Maneuverability

• Straight Mode: All wheels are aligned in the same direction, ideal for moving the crane over longer distances[5].
• Crab Mode and Transverse Mode: These modes allow the crane to move sideways or at an angle, which is particularly effective in saving time during container handling operations and navigating tight spaces[5].

Conclusion

Rubber Tired Gantry cranes have become indispensable in modern logistics and cargo handling due to their high flexibility, environmental protection, efficient operation, high safety standards, convenient maintenance, strong adaptability, and good economic efficiency. Their ability to move freely, operate in multiple directions, and adapt to various environments makes them a crucial component of container terminals and other logistics facilities. By understanding the features, advantages, and operational benefits of RTG cranes, operators can optimize their use, improve productivity, and ensure safe and cost-effective material handling.

Double Girder Rubber Tired Gantry Crane …

Double Girder Rubber Tired Gantry Crane: A Comprehensive Guide

Introduction

Double girder rubber tired gantry cranes are advanced, mobile lifting solutions designed for heavy-duty applications. These cranes are characterized by their robust design, high lifting capacity, and versatility in various working environments.

Key Components and Design

Gantry Frame

The gantry frame of a double girder rubber tired gantry crane consists of two main beams and the supporting legs. The main beams are typically constructed as box-type structures to ensure strength and stability. The legs are designed to support the entire structure and facilitate movement on rubber tires.

Crane Running Mechanism

The running mechanism includes the driving device, wheel groups, and protective devices. The tires used have excellent heat dissipation and durability, ensuring reliable operation over extended periods. Overload limit, deceleration limit, and stop limit switch protection devices are integrated to ensure safe and reliable functioning.

Hoist Trolley and Electrical System

The hoist trolley runs along the length of the girder, allowing for horizontal movement of the load. The electrical system powers the hoist, trolley, and other mechanisms, ensuring smooth and efficient operation.

Operational Capabilities

Lifting and Lowering

The crane is equipped with an electric or hydraulic hoist that lifts and lowers loads using a combination of pulleys, gears, and motors. The wire rope or chain connected to the lifting device winds up on the drum as the hoist’s motor turns, lifting the load vertically.

Horizontal Movement

The trolley mechanism allows the load to be moved horizontally along the length of the girder. This is achieved through the trolley running on wheels or a rail system along the girder.

Vertical Movement

Some double girder rubber tired gantry cranes are designed with adjustable height capabilities, either through telescoping sections of the A-frame legs or hydraulic systems. This feature enables the crane to lift loads to different heights, accommodating various lifting requirements.

Applications

Container Yards and Ports

These cranes are widely used in container yards and ports for handling containers and heavy loads. Their mobility and flexibility make them ideal for efficient container handling and stacking.

Construction Sites

Double girder rubber tired gantry cranes are used in road and bridge construction to hoist and position precast concrete components. They can manage smaller items and transport equipment and materials throughout the work area.

Precast Concrete Industry

In the precast concrete industry, these cranes are utilized for moving and positioning components like beams, columns, and panels. They are equipped with specialized accessories such as spreader bars or lifting clamps to securely grip and transport the components.

Factories and Workshops

These cranes are also used in industrial settings such as factories and workshops for heavy-duty lifting tasks. Their adaptability and speed make them suitable for a variety of material handling needs.

Safety and Smart Features

Anti-Sway Devices

To ensure precise load positioning and stability, anti-sway devices are often integrated into the crane system. These devices help in minimizing the sway of the load during lifting and moving operations.

Load Limiters and Emergency Brakes

Load limiters prevent the crane from lifting loads beyond its capacity, while emergency brakes ensure immediate stopping in case of an emergency, enhancing safety and reliability.

Remote Control Operation

The cranes can be operated using industrial remote controls with dual joystick designs, allowing for precise control over the crane’s motions from a safe distance. The wireless transmitters have a control range of up to 100 meters, enhancing operational efficiency.

Customization and Flexibility

Customized Designs

Double girder rubber tired gantry cranes can be customized based on specific application conditions and lifting requirements. This includes tailoring the width, height, and other parameters to accommodate the specific loads and work environments.

Operation Modes

These cranes can operate in various modes, including lifting and lowering, linear movement, 90-degree lateral motion, diagonal motion, pivot steering, and Ackerman steering. This versatility makes them suitable for a wide range of tasks and environments.

Conclusion

Double girder rubber tired gantry cranes offer a powerful, flexible, and reliable solution for heavy-duty material handling needs. With their advanced design, customizable features, and integrated safety mechanisms, these cranes are ideal for various industrial and construction applications, ensuring efficient, safe, and productive operations.

Rubber Tyre Container Gantry Crane

Rubber Tyred Gantry (RTG) Cranes: A Comprehensive Guide

Introduction

Rubber Tyred Gantry (RTG) cranes are mobile systems designed to move and stack storage containers with flexibility and ease. These cranes are essential in container terminals and ports, facilitating intermodal operations such as transferring containers from ships to rail and then to trucks.

Components of RTG Cranes

RTG cranes are composed of several key components:
– Steel Frame: The structural backbone of the crane.
– Hoisting Mechanism: Responsible for lifting and lowering containers.
– Slewing Mechanism: Allows the crane to rotate.
– Spreader Anti-Shaking Mechanism: Ensures stable container handling.
– Crane Travel Mechanism: Enables the crane to move along the terminal.
– Turning Mechanism: Facilitates directional changes.
– Trolley Traverse Mechanism: Allows the trolley to move along the crane’s beam.
– Container Spreader: Attaches to and lifts containers.
– Diesel Generating Sets: Provides power, although many models are electric.
– Electrical Equipment: Includes inverters, PLCs, and CMMS (fault monitor systems) for advanced control and safety.

Design Features of RTG Cranes

Mobility

RTG cranes are highly mobile due to their rubber tires, eliminating the need for fixed rails or tracks. This feature allows for easy movement within ports and terminals, optimizing container handling and space utilization.

Versatility

These cranes are versatile, capable of handling various container sizes and types. They can stack containers in multiple rows and heights, maximizing space utilization. The adjustable spreader accommodates different container widths, including standard and specialized containers.

Fast Operation

RTG cranes are designed for quick and efficient container handling. They have high lifting and traveling speeds, enabling rapid movement and positioning of containers. This improves the overall productivity and throughput of the terminal.

Environmental Friendliness

Compared to other types of cranes, RTG cranes offer environmental advantages. Many models are electrically powered and use advanced energy management systems, reducing emissions and noise levels. This makes them more eco-friendly and suitable for use in environmentally sensitive areas.

Reduced Infrastructure Costs

RTG cranes do not require fixed rails or tracks, eliminating the need for costly civil engineering work to construct and maintain infrastructure. This results in significant cost savings during the initial setup and ongoing terminal operations.

Operator Comfort and Safety

RTG cranes prioritize operator comfort and safety:
– Ergonomic Cabins: Provide excellent visibility, air conditioning, and advanced control systems.
– Advanced Control Systems: Enhance productivity and ensure safe container handling.

Remote Control and Automation

Modern RTG cranes often feature remote control and automation capabilities:
– Container Positioning Systems: Ensure precise placement of containers.
– Anti-Collision Systems: Prevent accidents by detecting potential collisions.
– Advanced Software: Optimizes container handling processes.

Applications

RTG cranes are used in a variety of settings:
– Container Terminals and Ports: Primary use for handling shipping containers.
– Logistics: Facilitate the movement of containers within logistics hubs.
– Construction Sites: Useful for handling heavy construction materials.
– Power Plants: Can be used for heavy lifting tasks.
– Shipyards: Assist in shipbuilding and repair operations.
– Wind Energy: Help in the transportation and installation of wind turbine components.

Capacity and Customization

RTG cranes are available in various capacities:
– Capacity Range: 5-500 tons, with options for customization.
– Types: Single beam, double beam, and A-frame types are available to suit different operational needs.

Power Options

RTG cranes can be powered in several ways:
– Hybrid: Combines different power sources for optimal efficiency.
– Diesel: Traditional diesel-powered models.
– Electric: Environmentally friendly and cost-effective.
– Active Load Control: Prevents container sway, enhancing safety and efficiency.

By understanding these components, features, and applications, users can make informed decisions when selecting and operating RTG cranes, ensuring efficient, safe, and environmentally friendly container handling operations.

Rubber-Tired Gantry Cranes

Rubber Tired Gantry (RTG) Cranes: A Comprehensive Guide

Introduction

Rubber Tired Gantry (RTG) cranes are a cornerstone in modern container handling, offering a blend of safety, productivity, and reliability. This guide delves into the key features, benefits, and technological advancements of Konecranes RTG cranes.

Design and Technology

Intelligent Steel Structure

Konecranes RTG cranes are built with an intelligent steel structure that enhances their overall performance and durability. This design ensures the cranes can handle the rigors of continuous container handling while maintaining high levels of safety and reliability.

Active Load Control (ALC) Technology

The Active Load Control (ALC) technology is a significant feature of Konecranes RTG cranes. ALC ensures precise control over the load, reducing the risk of accidents and improving the efficiency of container handling operations.

Smarter Cabin

The smarter cabin design in Konecranes RTG cranes provides operators with a more comfortable and efficient working environment. Advanced features within the cabin enhance operator safety and productivity.

Power Options and Environmental Considerations

Complete Range of Power Options

Konecranes offers a variety of power options for RTG cranes, including diesel-electric and fully electric paths. The Hybrid Power Pack is a notable innovation, allowing for flexible and efficient energy use. This range of options supports different business plans and environmental goals.

Ecolifting Vision

Konecranes is committed to its Ecolifting vision, which aims to fully electrify its product offerings for container and intermodal terminals. This initiative aligns with global efforts to reduce environmental impact and promote sustainable industrial practices.

Automation and Smart Features

Path to Fully Automated Operation

Konecranes RTG cranes are designed with a built-in readiness for automation. The Automated RTG (ARTG) system is available for both greenfield and brownfield container terminals, providing a seamless transition to fully automated operations.

Smart Features for Remote Operation

Konecranes offers Smart Features that can be integrated into RTG cranes, enabling remote operation. These features include advanced control systems and wireless communication technologies, allowing for efficient and safe remote supervision.

No Hydraulics

Advantages of Hydraulic-Free Design

Konecranes RTG cranes do not use hydraulics for any operations, including bogie turning, sway prevention, or spreader micro-motions. This design choice enhances reliability, reduces downtime, and lowers maintenance and spare part costs, particularly beneficial in harsh coastal weather conditions.

BOXHUNTER RTG

New RTG Concept

The BOXHUNTER RTG represents an entirely new concept in RTG design. This innovative crane is part of Konecranes’ continuous effort to improve container handling efficiency and safety.

Lifecycle Care and Support

Comprehensive Lifecycle Care

Konecranes provides a comprehensive lifecycle care approach for its RTG cranes. This includes regular maintenance, global customer service, and access to Port Parts Centers around the world. The online stores offer insights into stock availability, ensuring prompt and efficient parts distribution.

Retrofits and Upgrades

Konecranes offers a range of retrofits that can bring older equipment up-to-date with the latest technologies. This includes integrating smart features and upgrading power options to enhance the performance and efficiency of existing RTG cranes.

Automation in RTG Operations

Automated RTG (ARTG) System Version 2.0

The ARTG system version 2.0 is a significant advancement in automated RTG operations. It can be retrofitted to any brownfield container terminal and is designed to fit any container stack envelope. The system features automated truck handling with remote supervision, and it utilizes the latest wireless communication technology, eliminating the need for cable reels and fiber optics.

Wireless Remote and Automated Operations

The ARTG system version 2.0 includes a breakthrough in wireless remote and automated operations. This allows for low latency and high throughput wireless networks, enabling efficient and reliable automated container handling.

Conclusion

Konecranes RTG cranes are at the forefront of container handling technology, offering a combination of safety, productivity, and reliability. With advanced features such as Active Load Control, smarter cabins, and a range of power options, these cranes are well-suited for both manual and automated operations. The ability to retrofit and upgrade existing cranes, along with comprehensive lifecycle care, ensures that Konecranes RTG cranes remain a valuable asset for container terminals around the world.

Used rubber tire gantry cranes

Guide to Rubber Tire Gantry Cranes (RTGs)

Introduction

Rubber Tire Gantry Cranes (RTGs) are versatile and highly efficient lifting equipment widely used in ports, docks, container yards, and other logistics facilities. They are distinguished by their use of rubber tires, which provide exceptional mobility and flexibility.

Key Advantages of RTGs

High Flexibility

• Free Movement: RTGs can move freely on the ground without the need for tracks, allowing for strong adaptability and the ability to cover larger work areas quickly[1][2][5].
• Multi-Directional Movement: The rubber tires enable multi-directional movement, making it easy to operate in narrow yards and adapt to various complex terrains and layouts[1][2].

Environmental Protection and Energy Conservation

• Electric Drive: Modern RTGs often use electric drive systems, reducing reliance on diesel engines, emissions, and noise, thus meeting environmental requirements[1][5].
• High Energy Efficiency: RTGs have lower energy consumption, lower operating costs, and are more economical for long-term operation[1][5].

Efficient Operation

• Quick Positioning: RTGs can quickly locate designated positions, reducing loading and unloading times and improving overall work efficiency[1][2].
• Precision Control: Equipped with advanced electrical control systems and sensors, RTGs achieve precise lifting, movement, and placement operations, reducing cargo damage[1][2].

High Security

• Windproof Design: The design of RTGs takes into account wind resistance, ensuring stable operation in windy environments and ensuring operational safety[1].
• Safety Devices: RTGs are equipped with various safety devices such as collision avoidance systems, emergency braking systems, and load monitoring systems to ensure operational safety[1][2].

Convenient Maintenance

• Simple Structure: Compared to fixed rail cranes, RTGs have a simpler structure, making maintenance and repair more convenient[1][2].
• Easy Maintenance: The design of rubber tires and electric systems makes daily maintenance and upkeep easier, reducing downtime and maintenance costs[1][2].

Strong Adaptability

• Multipurpose: RTGs can handle various types of cargo, including containers, bulk goods, and large equipment, with adjustable lifting mechanisms and beam heights[1][2].
• Suitable for Multiple Environments: RTGs can operate on various ground conditions, including uneven or unpaved tracks, without the need for rails[1][2].

Working Principle of RTGs

• Mechanical, Hydraulic, and Electrical Systems: The working principle of RTGs is based on the synergy of mechanical, hydraulic, and electrical control systems. The main structure includes a gantry, beam, hoisting mechanism, traveling mechanism, and control system[2].
• Traveling Mechanism: The traveling mechanism is driven by a hydraulic system, allowing the crane to move flexibly on the ground and locate to the position of the goods to be loaded and unloaded[2].
• Hoisting Mechanism: The hoisting mechanism drives the drum through an electric motor, winding up or down the wire rope to lift goods[2].

Functions of RTGs

Cargo Loading and Unloading

• RTGs are primarily used for cargo loading and unloading operations. They can accurately control the lifting height of goods and cooperate with the traveling mechanism to realize rapid loading and unloading[2].

Cargo Stacking

• RTGs can accurately stack cargo to designated positions according to preset stacking plans. By adjusting the height of the crossbeam and the travel path, RTGs can realize multi-layer and multi-column cargo stacking, improving yard space utilization[2].

Cargo Transfer

• RTGs also function in cargo transfer, transferring goods from one ship to another or from ships to land transportation means, achieving rapid transfer of goods[2].

Technical Specifications and Design

• Gantry Span: RTGs come in various gantry spans, typically ranging from 20.8 meters to 37.7 meters, depending on the number of container rows and truck lanes[3][4].
• Lifting Heights: Lifting heights can vary from 12.3 meters to 21 meters, depending on the configuration (e.g., 1 over 3, 1 over 4, etc.)[3][4].
• Safe Working Load: The safe working load ranges from 40.6 tons to 65 tons, with single and twin configurations available[3][4].
• Travel Speed and Hoisting Speed: RTGs have high travel speeds (up to 130 m/min) and hoisting speeds (up to 56 m/min), contributing to their efficiency[4].

Advanced Features and Technologies

• Anti-Sway System: Many RTGs are equipped with anti-sway systems, such as Liebherr’s eight rope reeving system, to prevent swaying during operation[3][4].
• Simultaneous Drive Motion: This feature eliminates the need for a headblock or side shift on the spreader, enhancing precision and reducing maintenance[3][4].
• Direct Driven Travel Systems: RTGs often use direct driven travel systems, reducing tyre wear and improving overall efficiency[3][4].
• Automation and Auto Steering: RTGs can be equipped with automation features, including DGPS auto steering and container positioning systems, to enhance productivity and accuracy[3][4][5].

Conclusion

Rubber Tire Gantry Cranes are indispensable in modern logistics and cargo handling due to their high flexibility, environmental benefits, efficient operation, high safety standards, convenient maintenance, and strong adaptability. Their advanced features and technologies make them a preferred choice for container terminals and other logistics facilities, offering significant improvements in productivity, safety, and cost efficiency.

Rubber-Tired Gantry Cranes

Rubber-Tired Gantry (RTG) Cranes: A Comprehensive Guide

Introduction

Rubber-Tired Gantry (RTG) cranes are pivotal in modern container handling, offering enhanced safety, productivity, and reliability. This guide provides an in-depth look at the features, benefits, and operational aspects of Konecranes RTG cranes.

Design and Features

Intelligent Steel Structure

Konecranes RTG cranes are built with an intelligent steel structure that ensures robustness and durability. This design contributes to the crane’s overall performance and longevity.

Active Load Control (ALC) Technology

The ALC technology integrated into Konecranes RTGs enhances load stability and control. This system prevents sway and ensures precise micro-motions, making the crane highly reliable and efficient.

Smarter Cabin

The smarter cabin design focuses on operator comfort and efficiency. It includes advanced features that improve the operator’s experience and contribute to safer operations.

Power Options

Complete Range of Power Solutions

Konecranes offers a variety of power options for RTGs, including diesel-electric and fully electric paths. The Hybrid Power Pack is a notable innovation, providing flexibility and efficiency in power management.

No Hydraulics

Unlike many other cranes, Konecranes RTGs do not use hydraulics for bogie turning, sway prevention, or spreader micro-motions. This absence of hydraulics reduces downtime, maintenance costs, and enhances overall reliability, especially in harsh coastal weather conditions.

Automation Capabilities

Path to Fully Automated Operation

Konecranes RTGs are designed with built-in readiness for automation. The Automated RTG (ARTG) system can be integrated into both greenfield and brownfield container terminals, offering a seamless transition to automated operations.

ARTG System Version 2.0

The ARTG system version 2.0 is a significant advancement, allowing for the retrofitting of existing RTGs to automated systems. It features wireless communication technology, eliminating the need for cable reels and fiber optics. This system enables remote supervision, with one supervisor able to operate up to five ARTGs simultaneously.

Operational Efficiency

Space-Saving Design

Konecranes RTGs are engineered for space-saving container terminals, optimizing container handling performance in compact environments.

Smart Features for Remote Operation

Smart Features available for Konecranes RTGs enable remote operation, enhancing operational efficiency and safety. These features can be retrofitted into existing cranes, making older equipment more modern and efficient.

Maintenance and Support

Retrofits and Upgrades

Konecranes offers a range of retrofits to bring older RTG equipment up-to-date. This includes the integration of smart features, hybrid power packs, and other technological advancements.

Global Support Network

With Port Parts Centers in Germany, Finland, and the USA, Konecranes ensures global availability of spare parts and maintenance support. The online stores provide real-time insights into stock availability, facilitating predictive maintenance and planning.

Environmental and Sustainability Aspects

Ecolifting Vision

Konecranes’ Ecolifting vision aims to fully electrify its product offerings for container and intermodal terminals. This initiative aligns with sustainability goals, reducing environmental impact and promoting responsible industrial practices.

Technical Specifications

Dimensions and Capacities

• Max Lifting Height: Up to 21,500 mm (1 over 6)
• Max Span: Up to 29,500 mm (8 + truck lane)
• Crane Width: 12,060 mm over bogie guards
• Wheel Size/Pressure: 14.00×24/9.5 bar or 18.00×25/9.5 bar
• Wheel Load: Up to 30.5 tons with 1 over 5 and 6+lane, max load, no wind

Speeds and Movements

• Hoist Speed: 31 m/min with 50-ton load, 62 m/min with empty spreader
• Trolley Traverse: 70 m/min standard, 76 m/min optional
• Gantry Travel: 135 m/min with empty spreader, 90 m/min with 50-ton load, 50 m/min cross travel

Drives and Control Systems

• Drives: Konecranes AC drives
• Crane Management System (CMS): InsQl industrial PC
• Anti-Sway System: Included via ALC technology

Conclusion

Konecranes RTG cranes are at the forefront of container handling technology, offering a blend of safety, productivity, and reliability. With advanced features such as ALC technology, smarter cabins, and a range of power options, these cranes are adaptable to various operational needs. The integration of automation capabilities and comprehensive support networks further enhances their value in modern container terminals.

China Rubber Tired Gantry Crane Factory & Suppliers

Since the specific website you mentioned is not accessible in the search results provided, the following guide is compiled based on the comprehensive information available from similar sources on the topic of Rubber Tired Gantry (RTG) Cranes.

Introduction to Rubber Tired Gantry (RTG) Cranes

Rubber Tired Gantry (RTG) cranes are versatile and highly efficient lifting equipment commonly used in ports, docks, and container yards. Here is an in-depth guide to their features, advantages, and operational benefits.

Key Features of RTG Cranes

Mobility and Flexibility

• RTG cranes use rubber tires, allowing them to move freely on the ground without the need for rail tracks. This feature enables them to cover a larger work area and adapt to various complex terrains and layouts[1][2][4].

Multi-Directional Movement

• The rubber tire design facilitates multi-directional movement, making it easy to operate in narrow and complex courtyards. This includes straight, crab, and transverse modes, enhancing maneuverability and efficiency[2][5].

Stacking Height and Capacity

• RTG cranes can stack containers up to six high and eight wide, with a lifting capacity of up to 65 tons. This capability makes them highly efficient in container handling and stacking operations[3][4].

Slewing and Spanning

• RTGs are capable of slewing (rotating or swiveling horizontally) and spanning multiple container rows, allowing them to handle multiple containers at once and optimize yard space[4].

Advantages of RTG Cranes

High Flexibility

• The ability to move freely and in multiple directions makes RTG cranes highly adaptable to different yard conditions and operational requirements. This flexibility allows for quick adjustments in position and efficient coverage of the entire site[1][2][4].

Environmental Protection and Energy Conservation

• Modern RTGs typically use electric drive systems, reducing reliance on diesel engines. This results in lower emissions, reduced noise, and higher energy efficiency, making them more economical for long-term operation[1][2][4].

Efficient Operation

• RTG cranes can quickly locate designated locations, reducing loading and unloading times. They are equipped with advanced electrical control systems and sensors, ensuring precise lifting, movement, and placement operations[1][2][3].

High Security

• RTGs are designed with windproof features to ensure stable operation in windy environments. They are also equipped with various safety devices such as collision avoidance systems, emergency braking systems, and load monitoring systems to ensure operational safety[1][2].

Convenient Maintenance

• RTG cranes have a simpler structure compared to fixed rail cranes, making maintenance and repair more convenient. The design of rubber tires and electric systems reduces downtime and maintenance costs[1][2].

Good Economic Efficiency

• RTGs have lower initial investment costs compared to rail cranes, as they do not require the construction of rail foundations. They also have lower operating costs due to the use of electric drive systems, which reduce fuel and maintenance costs[2].

Operational Benefits

Steering Modes

• RTG cranes can be equipped with different steering modes such as straight, crab, and transverse modes. These modes enhance maneuverability, allowing the crane to navigate tight spaces and handle complex operational requirements efficiently[5].

Reduced Operational Costs

• Efficient maneuvering reduces fuel consumption and wear and tear on the crane’s tires and other components. This leads to lower maintenance costs and reduced downtime[5].

Increased Flexibility in Yard Operations

• The multiple steering modes and flexibility of RTG cranes allow terminal operators to optimize yard layouts and container stacking strategies. This maximizes the use of available space and minimizes handling times[5].

Time-Saving in Container Handling

• Modes like crab and transverse modes are effective in saving time during container handling operations. By reducing the need for multiple repositioning maneuvers, these modes streamline the loading and unloading processes, increasing overall throughput[5].

Specifications and Cost Considerations

General Specifications

• RTG cranes can vary in specifications depending on the manufacturer and customer requirements. Common parameters include lifting capacity, rotation speed, power supply, and size dimensions[3].

Cost

• The average price of an RTG crane is around $2 million USD per unit. Annual operating costs are approximately $150,000 USD per unit, and annual maintenance costs are about $50,000 USD per unit[3].

Conclusion

Rubber Tired Gantry (RTG) cranes are indispensable equipment in modern logistics and cargo handling due to their high flexibility, environmental protection, efficient operation, high safety, convenient maintenance, strong adaptability, and good economic efficiency. Their ability to move freely, multi-directional movement capabilities, and advanced safety features make them a reliable and efficient choice for container handling and stacking operations. Understanding the features, advantages, and operational benefits of RTG cranes is essential for optimizing crane operations and ensuring smooth, safe, and cost-effective material handling.

Rubber-tyred Container Gantry Crane-RTG

Rubber-Tyred Container Gantry Crane (RTG Crane) Guide

Introduction

Rubber-Tyred Container Gantry Cranes (RTG Cranes) are versatile and efficient material handling solutions widely used in container terminals, ports, and freight yards. These cranes offer flexibility, productivity, and safety, making them a preferred choice for container handling operations.

Design and Structure

• Gantry Frame: The RTG crane features a steel structure composed of a main beam and legs, typically constructed as a box type for stability and strength[4].
• Rubber Tyres: RTG cranes are mounted on rubber tyres, which allow them to move freely around the yard without the need for rails. This design enhances flexibility and reduces the need for fixed infrastructure[5].

Key Components

• Hoist Trolley: Equipped with a hoist mechanism and trolley that can move along the gantry span, allowing for the lifting and stacking of containers[2][4].
• Container Spreader: RTG cranes use a flexible hydraulic container spreader connected to the trolley through an upper frame and wire rope system. The spreader is powered by its own hydraulic system[2][4].
• Gantry Travel System: The crane is equipped with electric motors, one per corner, which enable smooth gantry travel. This system includes differential axles to reduce tyre wear during 90-degree turns[1].

Specifications

Lifting Capacity

• RTG cranes typically have a lifting capacity ranging from 30 to 65 tons, depending on the model and configuration[2][4][5].

Span Length

• The span length of RTG cranes can vary from 16 to 37.7 meters, accommodating different container yard layouts. Common spans include 16m, 23m, 27m, and up to 37.7m for wider container rows[1][3][4].

Lifting Height

• RTG cranes can stack containers up to six high, with lifting heights adjustable to meet specific stacking requirements (e.g., 12.3m for 1 over 3, 18.2m for 1 over 5)[1].

Working Class

• RTG cranes are classified under working classes A6, A7, and A8, indicating their capability to handle a high number of loading cycles over their lifespan[2][3][4].

Ambient Temperature

• These cranes can operate in a wide range of temperatures, typically from -20°C to 40°C, making them suitable for various environmental conditions[2][4].

Operational Parameters

Speeds

• Hoisting Speed: RTG cranes can hoist at speeds of up to 56 m/min without load and 28 m/min with rated load[1].
• Trolley Travel: Trolley travel speeds can reach up to 70 m/min with or without load[1].
• Gantry Travel: Gantry travel speeds are up to 130 m/min without load and 70 m/min with rated load[1].

Travel and Stacking

• RTG cranes can travel straight and at right angles by rotating the travel wheels through 90 degrees, enabling efficient container stacking and transfer operations[2][4].

Advantages

Flexibility and Productivity

• RTG cranes offer the ability to move freely around the container yard, enhancing operational flexibility and productivity compared to rail-mounted gantry cranes[5].

Space Efficiency

• These cranes can make full use of the storage yard, expanding the working space and improving work efficiency[5].

Safety and Maintenance

• RTG cranes are equipped with advanced safety features, including anti-sway systems, overload limit devices, and deceleration limit switches. They also have lower running costs and require minimal maintenance[1][4][5].

Environmental Benefits

• RTG cranes can be powered by electric or hybrid systems, reducing fuel consumption and emissions[5].

Operational Features

Monitoring and Management System

• Modern RTG cranes are equipped with monitoring and management systems that collect, analyze, and manage data. These systems also provide fault diagnosis and real-time monitoring of main parameters and operating conditions[2].

Control Systems

• RTG cranes often feature advanced control systems, including full digital AC frequency converters, PLC speed governors, and constant power adjustment devices for smooth and precise operation[2].

Cost and Maintenance

Purchase Cost

• The average price of an RTG crane can range from approximately $2 million USD per unit, depending on specifications and features[5].

Operating and Maintenance Costs

• Annual operating costs are around $150,000 USD per unit, while annual maintenance costs are approximately $50,000 USD per unit[5].

Conclusion

Rubber-Tyred Container Gantry Cranes are robust, efficient, and flexible solutions for container handling operations. Their ability to move freely, stack containers efficiently, and operate in various environmental conditions makes them a valuable asset for any container terminal or freight yard. With advanced safety features, low maintenance requirements, and environmental benefits, RTG cranes are an excellent choice for enhancing productivity and reducing operational costs.

Frequently Asked Questions (FAQs)

What are the main types of Rubber Tired Gantry Cranes available in China?

Rubber Tired Gantry Cranes (RTGs) in China come in several types to cater to different industrial needs. The primary types include single girder and double girder RTGs. Single girder RTGs are simpler in design and suitable for lighter lifting tasks, while double girder RTGs are more powerful and complex, often used for lifting heavy objects under high working intensity and harsh working conditions. Additionally, there are rubber tire and railway mounted options, as well as customized models such as A-frame types and cantilever gantry cranes[2][3][5].

What are the key applications of Rubber Tired Gantry Cranes in China?

Rubber Tired Gantry Cranes are widely used in various industries in China. One of their primary applications is in container terminals and ports, where they efficiently handle and stack intermodal containers, facilitating smooth operations between different modes of transport like ships, rails, and trucks. Besides container handling, RTGs are also used in concrete precast, logistics, wind energy, construction sites, power plants, and shipyards. They are versatile and can be employed for tasks such as erecting large structures, assembling manufacturing components, and positioning pipelines[3][4][5].

What are the advantages of using Rubber Tired Gantry Cranes?

Rubber Tired Gantry Cranes offer several significant advantages. Their mobility, thanks to rubber tires, eliminates the need for fixed rails or tracks, which reduces infrastructure costs and enhances operational flexibility. RTGs can handle various container sizes and types, stack containers in multiple rows and heights, and operate with high lifting and traveling speeds, improving productivity and throughput. Additionally, electric-powered RTGs are more environmentally friendly compared to diesel-powered ones, reducing emissions and noise levels. They also feature advanced technologies such as remote control, automation, and anti-collision systems, which enhance operational efficiency and safety[3][4][5].

How can I source high-quality Rubber Tired Gantry Cranes from reliable suppliers in China?

To source high-quality Rubber Tired Gantry Cranes from reliable suppliers in China, it is crucial to conduct thorough research and due diligence. Utilize online directories and industry-specific platforms to find trusted manufacturers. Attend industry exhibitions and trade shows to evaluate products and meet suppliers directly. Check for certifications such as ISO 9001, ISO 14001, and other relevant standards to ensure the supplier meets quality and safety standards. Evaluate the supplier’s past clientele, expertise, and customer reviews to gauge their reliability and performance[2][3][5].

What safety and operational features do modern Rubber Tired Gantry Cranes in China typically include?

Modern Rubber Tired Gantry Cranes in China are equipped with several advanced safety and operational features. They often include ergonomic cabins with excellent visibility, air conditioning, and advanced control systems to enhance operator comfort and safety. Automation technologies such as remote control, container positioning systems, and anti-collision systems are common, optimizing container handling and reducing human involvement. Additionally, features like active load control to prevent sway, inverter, PLC, and fault monitor systems (CMMS) are integrated to ensure smooth and safe operations. Electric power options with advanced energy management systems also make these cranes more eco-friendly and efficient[3][4][5].