In the dynamic landscape of industrial and construction operations, the single leg gantry crane stands out as a versatile and efficient solution for handling heavy loads. Widely used in China and globally, these cranes are pivotal in optimizing material handling processes, whether in warehouses, construction sites, or outdoor cargo yards.

This in-depth guide delves into the world of single leg gantry cranes, exploring their unique advantages, such as portability, flexibility, and compact design, which enable them to be easily moved and utilized in various locations without the need for permanent installations. You will learn about the customizable lifting capacities, ranging from 0.5 to 80 tons, and the various configurations available, including single and double girder designs.

Readers can expect to gain insights into the technical specifications, such as span lengths, lifting heights, and work duty classifications, as well as the advanced features that enhance their reliability and safety, including stepless control, heavy-duty motors, and robust braking systems. Additionally,

Gantry Crane Manufacture/Supplier in China

Guide to Gantry Cranes: Types, Specifications, and Applications

Introduction

Gantry cranes are versatile and powerful lifting solutions used in various industries, including construction, manufacturing, ports, and warehouses. They are known for their ability to handle heavy loads efficiently and safely. Here is a comprehensive guide to help you understand the different types of gantry cranes, their specifications, and how to choose the right one for your needs.

Types of Gantry Cranes

Single Girder Gantry Cranes

• Description: Single girder gantry cranes feature one girder beam and are suitable for smaller lifting applications.
• Specifications:
• Lifting capacity: 1-20 tons[3][4].
• Span length: 8-35 meters[1][3].
• Lifting height: 6-18 meters[1][3].
• Lifting speed: 0.33-8 m/min[1][3].
• Work duty: A3, A4[1][3].
• Applications: Widely used in workshops, storage facilities, ports, and outdoor locations[3].

Double Girder Gantry Cranes

• Description: Double girder gantry cranes have two girder beams and are designed for high-capacity and demanding tasks.
• Specifications:
• Lifting capacity: 5-500 tons[1][3].
• Span length: 12-35 meters[1][3].
• Lifting height: 6-18 meters[1][3].
• Lifting speed: 1.5-11.5 m/min[1].
• Trolley running speed: 10-40.1 m/min[1].
• Work duty: A5, A6[1][3].
• Applications: Ideal for open warehouses, rail yards, and general handling and lifting work[3][4].

Semi-Gantry Cranes

• Description: Semi-gantry cranes are smaller or medium-sized cranes that use only one leg on a runway and the other leg on the floor or another support.
• Specifications:
• Lifting capacity: 2-32 tons[1][3].
• Span length: 8-30 meters[1][3].
• Lifting height: 6-18 meters[1][3].
• Lifting speed: 0.33-11.5 m/min[1].
• Work duty: A3-A6[1][3].
• Applications: Used for materials handling, outdoor locations, and warehouses for loading and unloading[3].

L-Type Gantry Cranes

• Description: L-type gantry cranes feature L-shaped legs and are used to meet general outdoor material handling requirements.
• Specifications:
• Lifting capacity: 5-50 tons[3].
• Span length: 18-35 meters[3].
• Work duty: A5, A6[3].
• Applications: Commonly utilized in freight yards, railroad stations, and storage facilities[4].

U-Type Gantry Cranes

• Description: U-type gantry cranes have support legs designed in a “U” configuration, providing additional clearance between the legs and the girders.
• Specifications:
• Lifting capacity: 1-50 tons[4].
• Span length: 12-35 meters[4].
• Applications: Ideal for lifting large and heavy loads, with the ability to extend girders on one or both sides to create cantilevers[4].

Rubber Tyred Gantry (RTG) Cranes

• Description: RTG cranes are mounted on rubber tires and are highly versatile.
• Specifications:
• Lifting capacity: 5-500 tons[1].
• Span length: 5-35 meters[1].
• Lifting height: 6-18 meters[1].
• Lifting speed: 1-10 m/min[1].
• Work duty: A3-A5[1].
• Applications: Used in various settings where mobility is required, such as ports and outdoor locations[1].

Key Specifications and Features

Lifting Capacity

• Ranges from a few hundred pounds to several hundred tons, depending on the type of gantry crane[1][3][4].

Span Length

• Varies from 5 to 35 meters, depending on the crane type and application[1][3].

Lifting Height

• Typically ranges from 6 to 18 meters, but can be customized based on the specific needs[1][3].

Speeds

• Lifting speed: 0.33-11.5 m/min[1][3].
• Trolley running speed: 10-40.1 m/min[1].
• Crane running speed: 16-50 m/min[1].

Work Duty

• Classified under different duty groups such as A3, A4, A5, and A6, indicating the frequency and intensity of use[1][3].

Mechanical, Structural, and Electrical Components

Mechanical Parts

• Include the lifting mechanism, trolley traveling mechanism, and gantry crane traveling mechanism. These mechanisms enable efficient transfer and lifting of loads[3].

Structural Parts

• Mainly consist of the gantry frame and trolley. The structure is designed to support heavy loads and ensure stability[3].

Electrical Parts

• Comprise electrical equipment and electrical lines. Features include hoist motors, trolley motors, and control systems. Safety features such as overload limiting devices, disk brakes, and thermal protection are also included[2][3].

Safety Features

Overload Limiting Devices

• Prevent the crane from lifting loads beyond its capacity[2].

Disk Brakes

• Ensure safe stopping of the crane and its mechanisms[2].

Anti-Collision Devices

• Prevent collisions between the crane and other obstacles[2][5].

Emergency Stops

• Allow for immediate shutdown of the crane in emergency situations[2][5].

Wind Protection

• Features such as storm locks and wind speed meters to ensure safe operation in windy conditions[5].

Choosing the Right Gantry Crane

Determine Lifting Capacity and Span

• Ensure the crane can handle the maximum weight and span required for your application[1][3].

Consider Work Duty and Environment

• Select a crane with the appropriate work duty classification and features suitable for your operating environment (indoor, outdoor, etc.)[1][3].

Evaluate Speed and Efficiency

• Choose a crane with speeds that match your operational needs for efficient load handling[1][3].

Assess Safety and Maintenance Needs

• Opt for a crane with robust safety features and consider the maintenance requirements to ensure long-term reliability[2][5].

Conclusion

Gantry cranes are essential tools in various industries due to their versatility, strength, and efficiency. By understanding the different types, specifications, and features of gantry cranes, you can make an informed decision to select the most suitable crane for your specific lifting needs. Always consider factors such as lifting capacity, span length, work duty, and safety features

Single Leg Gantry Crane Supplier | Sinoko

Since the specific website you mentioned is not accessible in the provided search results, I will create a comprehensive guide based on the general information about remote control outdoor gantry cranes from the available sources.

Guide to Remote Control Outdoor Gantry Cranes

Introduction

Remote control outdoor gantry cranes represent a significant advancement in material handling technology, offering enhanced efficiency, safety, and flexibility in various industrial settings. This guide will delve into the features, applications, and benefits of these cranes.

Features of Remote Control Outdoor Gantry Cranes

Girder Configurations

• Single Girder Gantry Cranes: These cranes feature a single bridge beam and are well-suited for light to moderate load capacities. They are ideal for warehouses, workshops, and smaller manufacturing units[1][2].
• Double Girder Gantry Cranes: Equipped with a dual girder design, these cranes offer increased stability and higher lifting capacities, making them suitable for heavy-duty industries like steel mills and shipyards[1][2].
• Semi Gantry Cranes: These cranes have one end traveling on a runway while the other operates on the ground, combining the advantages of both gantry and overhead cranes[1][2].

Wireless Remote Control System

• Wireless Crane Control Pendant: This is a portable device with control buttons, joysticks, or touchpads that allow operators to remotely manage crane movements and functions. It provides flexibility and mobility within the working area[1].
• Controller and Receiver Unit: The wireless controller translates the operator’s commands into signals and transmits them to the crane’s receiver unit, enabling precise control over crane operations[1].

Safety and Protection Features

• Emergency Stops and Safety Loops: Built-in safety features such as emergency stops and safety loops to prevent collisions and derailing[4].
• Wind Protection: Equipped with storm locks, tiedowns, and wind speed meters to prevent sliding or falling in heavy winds[4].
• Weather Protection: Outdoor models often include features like wind proofing, rain covers, and lightning protection[2].

Mobility and Maneuverability

• Rubber-Tired Gantry Cranes: These cranes are engineered with rubber tires, allowing for greater mobility and the ability to operate on various surfaces[5].
• Steering and Slew Bearing: Some models feature closed-loop hydrostatic drive systems and steering slew bearings for enhanced maneuverability[5].

Applications of Remote Control Outdoor Gantry Cranes

Industrial Settings

• Manufacturing and Construction: Widely used in manufacturing units, construction sites, and heavy-duty industries for handling heavy loads with precision[1][2].
• Logistics and Warehouses: Ideal for warehouses, shipping docks, and railroad yards due to their versatility and ability to handle a range of load capacities[2].

Specific Use Cases

• Heavy Load Handling: Double girder gantry cranes are particularly useful in settings where bulkier and heavier materials need to be handled with precision[1].
• Moderate Load Handling: Single girder gantry cranes are suitable for tasks requiring the handling of loads within a moderate weight range in smaller industrial settings[1].

Benefits of Remote Control Outdoor Gantry Cranes

Enhanced Safety

• Reduced Risk: Operators can control the crane from a safe distance, reducing the risk of accidents and improving overall safety[1].
• Emergency Features: Integrated safety features such as emergency stops and safety loops enhance the safety of operations[4].

Increased Efficiency

• Precision and Flexibility: Wireless remote control systems allow for precise and flexible handling of loads, streamlining operations and optimizing productivity[1].
• Reduced Manual Intervention: Automated and remote control features reduce the need for manual intervention, making material handling tasks more efficient[1].

Improved Mobility

• Ease of Movement: Rubber-tired gantry cranes and semi-gantry cranes offer greater mobility and the ability to operate in various environments[2][5].

Cost-Effective Solutions

• Compact Design: Many gantry cranes are designed to be compact, saving space and making them suitable for different kinds of buildings[4].
• Maintenance-Free Design: Some models feature maintenance-free designs, reducing downtime and maintenance costs[3].

Conclusion

Remote control outdoor gantry cranes are a vital component in modern material handling, offering a blend of efficiency, safety, and flexibility. By understanding the various features, applications, and benefits of these cranes, industries can make informed decisions to optimize their material handling operations. Whether in manufacturing, construction, or logistics, these cranes are indispensable assets for enhancing productivity and ensuring safe working environments.

Single Leg Gantry Crane Suppliers and Manufacturers China

Given that the specific website you mentioned is not accessible in the search results provided, the following guide is compiled based on the general information about single leg gantry cranes from the available sources.

Single Leg Gantry Crane Guide

Introduction

A single leg gantry crane, also known as a semi-gantry crane, is a versatile and economical material handling solution designed for environments where space is limited. This type of crane combines the benefits of both overhead cranes and floor-mounted cranes, making it ideal for various industrial settings.

Key Features

Design and Structure

• The single leg gantry crane features one end supported by a freestanding gantry leg that travels on the ground, while the other end is supported by an end carriage that travels on an overhead track or wall-mounted I-beam[2][3][5].

Capacity and Span

• The lifting capacity of single leg gantry cranes can range from 0.5 tons to 80 tons, depending on the specific model and requirements[1][3].
• The span can vary from 5 meters to 40 meters or more, accommodating different workspace needs[1][2][3].

Height and Lifting

• The lifting height can be customized but typically ranges from 6 meters to 35 feet (under the beam)[1][2][3].
• The vertical height of the load beam to the ground can also be adjusted according to the facility’s layout[1].

Work Duty and Protection

• These cranes are designed for various work duties, such as M4-M6 or A3-A5, indicating their suitability for different levels of usage and environmental conditions[1][3].
• They often come with a protection class of IP55, ensuring durability and resistance to environmental factors[1].

Advantages

Space Utilization

• Single leg gantry cranes maximize floor space by minimizing the need for an elevated runway structure on one side, making them ideal for narrow, confined areas or spaces with existing overhead cranes[2][3][5].

Flexibility and Portability

• These cranes are highly portable and can be easily moved and used in different locations, which is beneficial for project installations and transferring cargo[1].

Cost Efficiency

• By not requiring a full gantry setup, single leg gantry cranes save on the cost of building an elevated runway structure, making them a cost-effective solution[1][3][4].

Applications

Industrial Settings

• Single leg gantry cranes are widely used in mechanical processing workshops, warehouses, material yards, and other industrial facilities where material handling is a critical operation[3].

Outdoor and Indoor Use

• These cranes are suitable for both indoor and outdoor applications due to their sturdy construction and weather-resistant materials[1].

Supplementing Existing Cranes

• They can be installed beneath existing overhead bridge cranes to enhance material handling efficiency without interfering with the overhead operations[3].

Components and Options

Motors and Drives

• Single leg gantry cranes often feature two motors: one for driving the wheels along the floor and another for the overhead track. Truly trackless (aligning) drives are also available[2][5].

Wheels and Tracks

• The cranes can be equipped with V-groove rigid steel wheels for travel along a V-track or double flange steel wheels for travel on crane rail[2][5].

Hoisting Mechanisms

• They can be configured with CD/MD electric wire rope hoists or European style low headroom hoists, depending on the specific requirements[3].

Control Systems

• The cranes can be operated via ground operation, radio control, or HMI panels, and some models include programmable logic controllers (PLCs) and manual/automated control options[4][5].

Safety and Maintenance

Inspection and Maintenance

• Regular inspections are crucial, and these should be performed annually or more frequently as defined by OSHA guidelines. Maintenance should be done in an area with minimal interference with operations[5].

Operational Guidelines

• Ensure the rated capacity is clearly labeled, do not lift more than the rated capacity, and avoid disassembling the crane when it is under load. Keep the load close to the floor and centered on the I-beam when moving the gantry[5].

Safety Features

• Features such as skew and sway control, regenerative braking, and intelligent load cells help in reducing wear and tear, improving safety, and enhancing operational efficiency[4].

Conclusion

Single leg gantry cranes offer a versatile, cost-effective, and space-efficient solution for material handling in various industrial environments. Their ability to be customized to meet specific lifting needs, combined with their robust design and advanced safety features, makes them an excellent choice for enhancing productivity and streamlining workflow.

Single Leg Gantry Crane

Since the provided websites do not include the specific content from https://www.equipmentimes.com/product/details/Single-Leg-Gantry-Crane_11605.html, the following guide is compiled based on the general information available from other reliable sources on single leg gantry cranes.

Single Leg Gantry Crane: An In-Depth Guide

Introduction

A single leg gantry crane, also known as a semi-gantry crane, is a specialized lifting solution designed to optimize space utilization and minimize the need for extensive infrastructure. This guide will delve into the features, advantages, and applications of single leg gantry cranes.

Features of Single Leg Gantry Cranes

Design and Structure

• Single leg gantry cranes have a unique design where one end of the crane is supported by a leg that travels on ground-mounted rails, while the other end is supported by an end carriage that travels on an overhead track[2][3][4].

Lifting Capacity and Span

• The lifting capacity of single leg gantry cranes can range from 0.5 tons to 15 tons, depending on the model and application. The span can vary up to 46 meters (or 60 feet) in some configurations[2][3][4].

Lifting Height

• The lifting height is tailored to the specific needs of the facility and can be adjusted accordingly. Some models offer heights under the beam of up to 35 feet[2][4].

Work Duty and Environmental Conditions

• These cranes are designed for moderate to heavy-duty applications (M4-M6 work duty) and can operate in a wide range of temperatures (-20°C to +40°C)[2].

Advantages of Single Leg Gantry Cranes

Space Optimization

• Single leg gantry cranes maximize floor space by minimizing the need for an elevated runway structure on one side, thus reducing costs and optimizing ground space usage[1][2][4].

Flexibility and Portability

• These cranes are highly flexible and can be easily moved and used in different locations without the need for permanent installation. This makes them ideal for various project installations and cargo transfers[2][3].

Cost-Effectiveness

• By not requiring a full overhead runway system, single leg gantry cranes offer a cost-effective alternative to traditional overhead cranes, especially in facilities with limited space or budget constraints[1][3][4].

Enhanced Safety and Efficiency

• Features such as intelligent load cells, skew and sway control, and regenerative braking enhance safety and efficiency. These features reduce the risk of overloaded or unbalanced loads, minimize wheel and rail wear, and optimize energy usage[1].

Applications of Single Leg Gantry Cranes

Petrochemical and Industrial Settings

• In petrochemical plants, single leg gantry cranes are used to handle hot, fresh coke fuel efficiently. The cantilever design allows for additional storage and narrower pit widths, making them suitable for specific site requirements[1].

General Material Handling

• These cranes are widely used in various material handling scenarios where space is limited. They are particularly useful in plants that cannot accommodate full gantry or overhead cranes due to narrow or confined spaces[3][4].

Outdoor and Indoor Use

• Single leg gantry cranes are designed for both indoor and outdoor applications. Their sturdy construction and weather-resistant materials ensure they can operate effectively in different environmental conditions[2].

Technical Specifications and Components

Control Systems

• These cranes often come with advanced control systems, including programmable logic controllers (PLC), radio/HMI panel/cabin controls, and semi-automatic functions to reduce cycle time and increase production efficiency[1][2].

Hoisting and Lifting Devices

• The cranes are equipped with tailored open winches and grab buckets that are sturdy and long-lasting. The hoist machinery is synchronized to reduce overloads and increase the life of the rope and mechanical components[1].

Safety Features

• Safety features include chemical filtration in the operator cab, weather-protected and pressurized control houses, laser sensors for precise tracking, and restricted area functions to avoid collisions[1].

Maintenance and Energy Efficiency

• The cranes are designed with easy maintenance access, hardened and finish-ground gears, and regenerative braking that returns power to the energy grid, reducing energy costs and maintenance needs[1].

Conclusion

Single leg gantry cranes offer a versatile and efficient lifting solution for various industrial and material handling needs. Their ability to optimize space, reduce costs, and enhance safety and efficiency makes them an excellent choice for facilities looking to streamline their operations. By understanding the features, advantages, and applications of these cranes, users can make informed decisions to improve their material handling processes.

L Type Single Girder Gantry Crane

L Type Single Girder Gantry Crane: A Comprehensive Guide

Overview

The L Type Single Girder Gantry Crane is a versatile and efficient lifting solution designed for various industrial and outdoor applications. Here is a detailed overview of its key features, applications, and benefits.

Key Specifications

Lifting Capacity

• The crane is available with lifting capacities ranging from 5t to 50t, with some models offering a capacity of 10t as a standard option.

Span

• The span of the crane can be customized to fit different work environments, typically ranging from 18-22 meters and 30-35 meters.

Lifting Height

• The lifting height of the L Type Single Girder Gantry Crane varies, with common heights of 10, 11, and 12 meters.

Applications

Industrial and Outdoor Use

• This crane is widely used in outdoor settings such as warehouses, stock grounds, railway stations, and sea port cargo areas.
• It is also suitable for handling and convey operations in various industries.

Specific Use Cases

• Warehouses and Stock Grounds: Ideal for loading, unloading, and transferring goods.
• Railway Stations: Used for loading and unloading equipment and materials along railway tracks.
• Sea Port Cargo Areas: Efficient for handling cargo in port environments.

Design and Structure

L Shape Configuration

• The crane features an L-shaped leg design, which allows for better utilization of space under the main girder. This configuration is particularly beneficial for handling large items from the middle of the structure.

Single Girder Construction

• The single girder design makes the crane lighter and easier to manufacture and install compared to double girder cranes.
• However, it has weaker overall rigidity, making it suitable for lifting capacities up to 50t and spans up to 35 meters.

Operational Features

Controlling Methods

• The crane can be controlled via two methods: ground controlling and room controlling, offering flexibility in operation.
• Additionally, remote control options are available for enhanced convenience.

Speed and Performance

• Lifting speeds range from 11 to 6 meters per minute, depending on the model.
• Trolley speeds typically range from 36 to 39 meters per minute, and crane travel speeds range from 39 to 46 meters per minute.

Safety Features

Overload Protection

• The crane is equipped with a weight overload protection device that warns the operator if the material exceeds the lifting capacity.

Limit Switches

• Limit switches are installed to prevent over hoisting and over lowering of the hook.

Emergency Stop System

• An emergency stop system allows the operation staff to initiate an emergency brake in case of any emergency situation.

Current Overload Protection

• The crane includes a current overload protection system to ensure safe and reliable operation.

Polyurethane Buffers

• High-quality polyurethane materials are used for buffers, providing long-time bearing characteristics.

Additional Equipments and Customization

Optional Equipments

• The crane can be equipped with various attachments such as grab buckets, electric magnetic chucks, two-use and three-use pallets, handling bridges, and spreaders.
• These attachments can be chosen based on the specific requirements and worksite conditions.

Customization

• The L Type Single Girder Gantry Crane can be customized according to client requirements and worksite conditions, ensuring it meets the specific needs of different industries.

Benefits

Cost-Effectiveness

• The crane is known for its low cost and reliable performance, making it a cost-effective solution for lifting and handling operations.

Ease of Use and Maintenance

• It is easily controlled and maintained, contributing to its popularity in various industrial settings.

Space Efficiency

• The L shape design and single girder construction allow for better space utilization, making it ideal for areas where space is a constraint.

In summary, the L Type Single Girder Gantry Crane is a robust, versatile, and cost-effective lifting solution that is well-suited for a variety of industrial and outdoor applications. Its customizable design, robust safety features, and efficient performance make it a valuable asset in many different work environments.

Single Leg Travelling Electric Single Girder Semi Gantry …

Single Leg Travelling Electric Single Girder Semi Gantry Crane Guide

Introduction

A single leg travelling electric single girder semi gantry crane is a versatile and economical material handling solution, combining elements of both overhead cranes and gantry cranes. This type of crane is ideal for various industrial settings, including workshops, warehouses, and outdoor areas where space is limited.

Key Components

Main Girder

• The main girder is typically made from Q235/Q345 carbon structural steel, featuring a strong box-type structure with standard deflection to ensure stability and strength[4].

Support Legs

• The crane has one freestanding gantry leg, which supports one end of the main girder. The leg is made from the same high-quality steel as the main girder and is coated with three layers of paint for durability[4].

Gantry Crane End Carriages

• The end carriages are connected to the main girder and the support leg, allowing the crane to travel along the crane rails. These carriages are equipped with high-quality travelling motors[4].

Electric Hoist

• The lifting mechanism is usually an electric wire rope hoist or sometimes an electric chain hoist, depending on the working conditions. The hoist hangs under the main beam and travels along with it[4].

Travelling Mechanism

• The crane and trolley are equipped with travelling mechanisms that enable movement in multiple directions: left and right, up and down, and forward and backward[4].

Technical Parameters

Lifting Capacity

• The lifting capacity of a single leg travelling electric single girder semi gantry crane typically ranges from 1 to 20 tons[3][4][5].

Span

• The span of these cranes can vary from 7.5 to 30 meters, depending on the specific model and requirements[3][4][5].

Lifting Height

• The lifting height can be customized but generally ranges from 6 to 18 meters[3][4][5].

Lifting Speed

• Lifting speeds can vary from 0.33 to 8 meters per minute, depending on the load and the specific hoist used[3][5].

Trolley and Crane Speed

• The trolley running speed and crane travelling speed typically range from 20 to 30 meters per minute, with some models offering higher speeds with cabin control[2][3][5].

Working Class

• These cranes are classified under working classes A3 to A5, indicating their suitability for medium to heavy-duty applications[2][3][4].

Features and Advantages

Simple Structure and Easy Installation

• The crane features a simple structure that is easy to install, making it a cost-effective solution for various industrial needs[1][3][5].

Compact and Flexible Design

• The single leg design allows the crane to be installed beneath existing overhead bridge cranes, enhancing work productivity without interfering with other material handling operations[3][5].

Low Investment and Space Requirements

• These cranes require lower investment compared to full gantry cranes and can be adapted to spaces with limited area, such as narrow workshops or confined outdoor areas[3][5].

High Reliability and Performance

• The cranes are equipped with high-quality components, ensuring reliable operation and excellent performance in various working conditions[4].

Environmental Adaptability

• They can operate in a wide range of temperatures, from -20°C to 40°C, making them suitable for both indoor and outdoor applications[1][3][4].

Applications

Workshops and Warehouses

• These cranes are widely used in workshops, warehouses, and material yards for efficient material handling[3][4][5].

Outdoor Areas

• They are also suitable for outdoor applications such as stockyards and construction sites, where their versatility and adaptability are particularly beneficial[4].

Confined Spaces

• The single leg design makes them ideal for areas with limited space, allowing for effective material handling in confined environments[3][5].

Maintenance and Operation

Control Options

• The cranes can be controlled via pendant control, remote control, or cabin control, offering flexibility in operation[1].

Safety and Reliability

• They are designed with safety features such as strong lateral load proof and smooth starting and stopping mechanisms, ensuring safe and reliable operation[1].

Maintenance

• The cranes are designed for convenient maintenance, with easy access to components and excellent exchangeability of parts[1].

Customization

Span and Lifting Height

• The span and lifting height of the crane can be customized according to specific engineering needs and construction field requirements[1].

Cantilevers

• Cantilevers can be added to the main beam to extend the lifting area beyond the crane rails, which is useful for lifting loads that are out of the normal crane span[4].

Hoist Options

• The crane can be equipped with different types of hoists, such as CD/MD wire rope electric hoists or European style low headroom hoists, depending on the application[1][3][4].

By understanding these aspects, users can make informed decisions about the suitability and configuration of a single leg travelling electric single girder semi gantry crane for their specific industrial needs.

Single Leg Gantry Crane – China Manufacturers, Suppliers …

Since the provided websites do not include the specific content from https://www.sevengantrycrane.com/single-leg-gantry-crane/, the following guide is compiled based on the general information available from similar sources.

Single Leg Gantry Crane: An In-Depth Guide

Introduction

A single leg gantry crane, also known as a semi-gantry crane, is a versatile and compact lifting solution designed to optimize material handling in various industrial settings. This guide will delve into the key features, advantages, and applications of single leg gantry cranes.

Design and Structure

Main Components

• Single Vertical Support Leg: This crane features a single vertical leg on one side, which provides stability and minimizes the footprint.
• Horizontal Bridge Beam: The horizontal beam supports the trolley and hoisting mechanism.
• Trolley and Hoisting Mechanism: These components are responsible for lifting and moving the load along the bridge beam.
• Ground-Mounted Rails: One end of the crane is supported by a gantry leg traveling on ground-mounted rails, while the other end is supported by an end carriage on an overhead track[1][4][5].

Types of Gantry Cranes

• Single Girder and Double Girder: Single leg gantry cranes can be configured with either a single girder or double girder design, depending on the lifting requirements and available space[1][4][5].

Advantages

Space Efficiency

• Single leg gantry cranes are designed to maximize space efficiency, making them ideal for facilities with limited overhead clearance or confined spaces[1][3][4].

Cost Savings

• By eliminating the need for an elevated runway structure on one side, these cranes save on construction costs and minimize disruption to ground space[1][2][5].

Portability and Flexibility

• These cranes are highly portable and flexible, allowing them to be easily moved and used in different locations without permanent installation[1][3][4].

Customization

• The lifting capacity, span, and lifting height of single leg gantry cranes can be tailored to meet specific industrial needs[1][2][3].

Technical Specifications

Lifting Capacity

• The lifting capacity of single leg gantry cranes can range from 0.5 tons to 80 tons, depending on the configuration[1][3][4].

Span and Lifting Height

• The span can vary from 5 meters to 46 meters, and the lifting height can be customized according to the requirements[1][2][4].

Work Duty and Protection Class

• These cranes are designed for various work duties (M4-M6, A3-A5) and come with a protection class of IP55, ensuring they can operate in different environmental conditions[1][4].

Features and Technologies

Control Systems

• Single leg gantry cranes often feature advanced control systems, including stepless control, radio/HMI panel control, and semi-automatic functions to enhance efficiency and safety[1][2][4].

Motor and Braking System

• They are equipped with heavy-duty motors, electromagnetic disk brakes, and regenerative braking systems to optimize performance and reduce energy consumption[1][2].

Safety and Reliability

• Features such as intelligent load cells, skew and sway control, and laser sensors ensure precise load handling, reduce wear on components, and enhance overall safety[2].

Applications

Industrial Settings

• Single leg gantry cranes are widely used in various industrial settings, including manufacturing, construction, warehousing, and petrochemical plants[1][2][3].

Specific Use Cases

• They are particularly useful in coker crane applications, where they handle hot, fresh coke fuel efficiently without the need for long travel in the duty cycle[2].

Maintenance and Efficiency

Easy Maintenance

• These cranes are designed with easy maintenance access, reducing downtime and ensuring continuous operation[2].

Energy Efficiency

• Regenerative braking and advanced motor technologies help in saving energy and reducing operational costs[2].

Conclusion

Single leg gantry cranes offer a unique combination of space efficiency, cost savings, and flexibility, making them an invaluable asset in various industrial environments. Their customizable design, advanced features, and robust construction ensure they meet the specific lifting needs of different industries while optimizing material handling operations.

Single Leg Gantry Coker Crane

Since the provided URL does not exist, the information will be compiled from similar sources, particularly from Konecranes, which provides detailed insights into single-leg gantry coker cranes.

Single Leg Gantry Coker Crane Guide

Introduction

Single leg gantry (SLG) coker cranes are specialized cranes designed for the demanding environment of petrochemical plants, particularly for handling hot, fresh coke fuel. These cranes are engineered to provide high durability, safety, and efficiency in one of the toughest operating environments.

Key Features

Ergonomic and Safety-Centric Design

• Ergonomic Chair and Controls: Designed for operator comfort and ease of operation.
• Chemical Filtration in Operator Cab: Continuously removes contaminants from the atmosphere, protecting sensitive control components and employees.
• Weather-Protected and Pressurized Control House: Ensures a safe and clean environment for the operator.

Advanced Technical Specifications

• Lifting Capacity: Tailored to the specific needs of the facility.
• Lifting Height: Up to 46 meters.
• Span: Up to 46 meters.
• Bridge/Trolley Travel Speed: Tailored for optimal performance.
• Winch Type: Tailored open winch.
• Lifting Device – Grab: Tailored for efficient coke handling.

Innovative Mechanical and Electrical Systems

• High Drum-to-Sheave Ratio: 30:1 vs. the standard 24:1, extending the rope lifetime and reducing maintenance.
• Innovative Rope Reeving: Three re-reevings of the rope in the drum, reducing maintenance costs.
• Intelligent Load Cells: On each drum with load-summing and load-balancing features to prevent overloaded or unbalanced loads.
• Grab Control: Synchronizes hoist machinery, reducing overloads and increasing the life of ropes and mechanical components.
• Skew and Sway Control: Reduces wheel and rail wear, and stress on wheels, bearings, rails, and support structures. Also, reduces load sway, preventing collisions with hoppers and pit walls.

Energy Efficiency and Automation

• Regenerative Braking: Returns runoff power to the energy grid of the crane, saving energy.
• Inverter Duty Motors: Provide precise speed control.
• Semi-Automatic Function: Reduces cycle time and increases production and operator efficiency.
• Restricted Area Function: Ensures safety by avoiding clashes of the grab with wall pits and hoppers.

Monitoring and Maintenance

• Crane Monitoring System (CMS): Monitors the crane’s performance and health.
• Remote Monitoring Service: Allows for real-time monitoring and maintenance scheduling.
• Optional Spare Components: Inverters, air conditioners, regen converter units, and travel drives are available to minimize downtime.

Design and Flexibility

Single Leg Gantry with Cantilever

• This design allows for narrower pit widths and additional storage outside the basic pit dimensions and gantry leg.
• The cantilever support enables the placement of hoppers and other storage outside the main gantry area.

Plant Layout Adaptability

• The SLG coker crane fits plant layouts that benefit from a hopper-side runway installed at grade level, saving the cost of an elevated runway structure.
• When used with traveling hoppers, there is no long travel in the duty cycle, increasing crane throughput.

Safety and Efficiency Enhancements

Operator Visibility

• Independent Traveling Cabs: Improve operator visibility, enhancing safety and efficiency.
• Laser Sensors: Provide precise tracking and control.

Maintenance Access

• Designed for easy maintenance access to reduce downtime and ensure the crane remains operational for extended periods.

Benefits

Increased Production Efficiency

• The semi-automatic function and restricted area function help in reducing cycle times and increasing overall production efficiency.

Enhanced Safety

• Features like skew and sway control, intelligent load cells, and restricted area functions ensure safe operation and reduce the risk of accidents.

Energy Savings

• Regenerative braking and efficient motor control systems contribute to energy savings and reduced operational costs.

Durability and Reliability

• High-quality components and innovative designs ensure the crane operates reliably in harsh environments with minimal downtime.

Conclusion

Single leg gantry coker cranes from Konecranes are engineered to meet the stringent demands of petrochemical plants. With their advanced features, ergonomic design, and focus on safety and efficiency, these cranes are ideal for handling hot coke fuel in challenging environments. Their adaptability to various plant layouts and the inclusion of innovative technologies make them a reliable choice for enhancing production and reducing operational costs.

3 Ton Single Girder Gantry Crane

Guide to 3 Ton Single Girder Gantry Cranes

Introduction

A 3 ton single girder gantry crane is a versatile and efficient lifting solution, widely used in various industrial and outdoor settings. This guide provides a comprehensive overview of its specifications, applications, and key features.

Key Components and Specifications

Capacity and Span

• Capacity: 3 tons, suitable for lightweight to medium-weight lifting applications.
• Span: Typically ranges from 8 to 35 meters, allowing for a wide range of operational areas[2][3][5].

Lifting Height and Speed

• Lifting Height: Usually between 6 to 18 meters, depending on the model and application.
• Lifting Speed: Can vary from 0.33 to 8 meters per minute, with dual-speed options available for more precise control[2][3].

Trolley and Crane Speed

• Trolley Speed: Generally 20 meters per minute, with some models offering adjustable speeds.
• Crane Speed: Also typically 20 meters per minute, ensuring efficient movement along the track[2][3].

Work Duty and Control

• Work Duty: Classified under A3 to A4, indicating medium to heavy-duty usage.
• Control Methods: Available control options include pendant control, remote control, and cabin control, catering to different operational needs[2][3].

Types of 3 Ton Single Girder Gantry Cranes

A-Frame Single Girder Gantry Crane

• Construction: Built with a sturdy A-frame structure and a track system for stable operation.
• Applications: Ideal for both indoor and outdoor use, such as in machine shops, warehouses, and freight yards[2].

Portable Gantry Crane

• Mobility: Designed for high mobility, these cranes can be wheeled between different locations.
• Materials: Can be made of steel or aluminum, with fixed or adjustable height options[2].

Semi Gantry Crane

• Design: Combines elements of both gantry and overhead cranes, suitable for areas where full gantry installation is not feasible.
• Applications: Useful in scenarios where existing building structures are not suitable for overhead cranes[3].

Truss Gantry Crane and Cantilever Gantry Crane

• Truss Gantry Crane: Features a truss structure for added stability and is often used in outdoor yards and port areas.
• Cantilever Gantry Crane: Designed with cantilevers to allow handling of loads outside the rail centers, enhancing operational flexibility[2][3].

Customization and Specialized Models

Customization

• Tailored Solutions: Cranes can be customized based on specific customer requirements, including span length, lifting height, and control methods[3].

Low Headroom Gantry Crane

• Design: Specifically designed for low-headroom workshops where lifting space is limited but lifting height is high.
• Features: Optimized to maximize lifting height within constrained spaces[1][5].

Explosion-Proof Gantry Crane

• Safety Features: Designed for hazardous environments such as gas or dusty areas, enhancing safety and compliance.
• Applications: Ideal for industries requiring strict safety standards[1][5].

Installation and Maintenance

Installation Considerations

• Rail Installation: Cranes can be installed with or without pre-existing rails; suppliers can provide rails if necessary.
• Workshop Dimensions: Suppliers may require detailed dimensions of the workshop to ensure optimal crane placement[3].

Maintenance and After-Sales Service

• Warranty and Support: Typically comes with a warranty period (e.g., 1.5 years) and comprehensive after-sales service, including maintenance and repair support[3].

Operational Safety and Certifications

Safety Certifications

• International Standards: Many models comply with international certifications such as CE, GOST, SGS, ISO9001:2000, ISO14001:1996, and OHSAS certifications[3].

Safety Features

• Control Systems: Equipped with reliable control systems, including pendant, remote, and cabin controls, to ensure safe and precise operation.
• Structural Integrity: Built with sturdy materials and robust structural designs to ensure long-term reliability and safety[2][3].

Conclusion

A 3 ton single girder gantry crane is a versatile and reliable lifting solution suitable for a wide range of industrial and outdoor applications. With various types and customization options available, these cranes can be tailored to meet specific operational needs, ensuring efficiency, safety, and compliance with international standards.

20T Electric Mobile Semi Gantry Crane With Single Leg For General …

Given that the specific website you mentioned is not accessible in the search results, I will create a comprehensive guide on steel cranes, particularly focusing on their use in steel mills, based on the available information from similar sources.

Guide to Steel Cranes in Steel Mills

Introduction

Steel cranes are indispensable in the steel industry, facilitating the lifting, moving, and transporting of heavy loads of raw materials and finished products throughout the mill. This guide provides an in-depth look at the specifications, features, and operational considerations of steel cranes.

Types of Steel Cranes

Overhead Cranes

Overhead cranes are widely used in steel mills due to their versatility and capacity to handle heavy loads.
– Single Girder Cranes: These cranes have one girder and are suitable for lighter loads and smaller spans. They are often used in areas where headroom is limited[2][3].
– Double Girder Cranes: These cranes have two girders and are designed for heavier loads and larger spans. They offer greater stability and are commonly used in steel mills for handling heavy steel slabs and scrap metal[2][3].

Specialized Cranes

• Scrap Handling Cranes: Equipped with specialized electromagnets or grabs, these cranes are used for transporting scrap materials from collection points to melting furnaces. They are designed to withstand harsh environments and heavy loads[3].
• Slab Cranes: These cranes are designed for handling large steel slabs within rolling mills or storage yards. They have robust structures and precise handling capabilities, facilitating the movement of slabs between different stages of production[3].

Key Specifications

Capacity

The load capacity of the crane should be sufficient to handle the heaviest loads in the mill, including raw materials and finished products. Capacities can range from a few tons to hundreds of tons[2][3].

Span

The span of the crane should cover the entire area of the mill where it will be used. Spans can vary from 7.5 meters to 31.5 meters or more[2][3].

Lifting Height

The lifting height of the crane is crucial for accessing different levels within the mill. Lifting heights can range from 6 meters to 20 meters or more[2][3].

Lifting and Trolley Speeds

Lifting speeds can vary from 0.8 meters per minute to 12.5 meters per minute, while trolley speeds can range from 2 meters per minute to 40 meters per minute. These speeds are adjustable to optimize load handling efficiency[2][3].

Advanced Features

Sway Control

This feature limits load swing by controlling the bridge and trolley acceleration and deceleration, enabling faster and more precise load handling while reducing the risk of damage[4].

Snag Prevention

This feature stops all crane movement if the hook, sling, or load accidentally gets caught on something, lowering the risk of dangerous situations and preventing damage to the cargo, crane, and surrounding area[4].

Adaptive Speed Range (ASR)

This feature allows for the optimization of the crane’s speed, enabling an empty hook to move at more than twice the speed of a loaded hook, thus improving operational efficiency[4].

Assisted Load Turning

This feature helps turn the load by keeping the ropes straight and eliminating side pull, simplifying and reducing the danger of one of the most difficult crane operations[4].

Hook Centering

This feature automatically positions the bridge and trolley directly over the load, eliminating side pull during lifting and reducing wear and tear on the crane’s components[4].

Protected Areas Working Limits

These features allow operators to define protected zones where the crane is not allowed to enter, constructing temporary “virtual walls” against which the crane will automatically stop[4].

Maintenance and Safety Guidelines

Load Capacity

Ensure the crane’s load capacity is sufficient for the heaviest loads it will handle, including raw materials and finished products[4].

Clearance Requirements

Ensure the crane has sufficient clearance to move freely throughout the mill without obstruction[4].

Type of Load

Choose a crane that is designed for the type of load being handled, as different types of cranes are suited for different types of loads[4].

Safety Features

Ensure the crane has appropriate safety features such as emergency stop buttons, overload prevention, and anti-collision systems[4].

Durability

Select a crane constructed from high-quality materials that can resist the wear and tear of the steel manufacturing process[4].

Cost

Ensure the crane is within your budget while meeting all necessary specifications and safety standards[4].

Automation and Remote Monitoring

Automation Technologies

Steel cranes are increasingly being equipped with advanced automation technologies, such as artificial intelligence and machine learning, to improve performance and reduce the risk of accidents[4].

Remote Monitoring

Many steel cranes are equipped with remote monitoring systems that allow operators to monitor their performance and maintenance needs from a central location, enhancing operational efficiency and safety[4].

Conclusion

Steel cranes are critical components in the steel industry, and selecting the right crane involves careful consideration of its specifications, features, and operational requirements. By understanding the types of cranes available, their key specifications, advanced features, and maintenance and safety guidelines, operators can ensure efficient, safe, and reliable operations within the steel mill.

Frequently Asked Questions (FAQs)

Q1: What are the advantages of a single leg gantry crane over traditional cranes?

The single leg gantry crane offers several significant advantages over traditional cranes. It provides portability, flexibility, and a compact design, allowing it to be easily moved and used in different locations without the need for permanent installation. This crane minimizes disruption to ground space, as only one end needs to be supported by a gantry leg on the ground, while the other end runs on an overhead track. This arrangement saves the cost of building an elevated runway structure on that side, making it a cost-effective solution.

Q2: Can the lifting capacity of the single leg gantry crane be customized?

Yes, the lifting capacity of the single leg gantry crane can be customized according to specific requirements. These cranes are available in a range of capacities, typically from 0.5 tons to 80 tons, allowing users to select a crane that meets their unique lifting needs. Manufacturers often provide customizable options to ensure the crane aligns with the user’s operational demands.

Q3: Is the single leg gantry crane suitable for outdoor use?

The single leg gantry crane is designed for both indoor and outdoor applications. Its sturdy construction and weather-resistant materials make it suitable for various environmental conditions. The crane can operate effectively in temperatures ranging from -20°C to +40°C, and its heavy-duty components, such as the galvanized wire rope and electromagnetic disk brake, ensure reliable performance even in harsh outdoor environments.

Q4: What are the different control methods available for single leg gantry cranes?

Single leg gantry cranes offer several control methods to cater to different operational needs. These include pendent line control with press buttons, cabin control, and wireless remote control. The choice of control method depends on the specific requirements of the user and the nature of the operations. For example, wireless remote control provides greater flexibility and ease of operation, while cabin control offers a more centralized and controlled environment.

Q5: What are the typical applications of single leg gantry cranes?

Single leg gantry cranes are widely used in various industries and settings due to their versatility and efficiency. They are commonly applied in outdoor yards, such as port yards, steel mills, plants, warehouses, and material stock areas. These cranes are particularly useful for handling and conveying operations, such as lifting goods, bulk cargo, and other heavy loads. Their high site utilization, large operating range, and wide adaptability make them an ideal choice for many industrial and logistical applications.