In the heart of China’s industrial landscape, girder cranes stand as indispensable pillars, revolutionizing the way heavy materials are handled and moved across various sectors. From the bustling steel plants and shipyards to the dynamic manufacturing and construction sites, these cranes play a pivotal role in enhancing efficiency, precision, and safety.

This in-depth guide delves into the world of girder cranes in China, offering a comprehensive overview of both single and double girder cranes. Readers will gain insights into the distinct advantages of each type, including the cost-effectiveness and compact design of single girder cranes, ideal for medium- to light-duty applications, and the robust construction and higher load capacity of double girder cranes, essential for heavy-duty industries such as steel production and oil & gas.

You will learn about the various specifications, applications, and maintenance requirements of these cranes, as well as the latest advancements in automation and technology that are driving their evolution. Whether you are an industry professional

LD Type Single Girder EOT Crane

LD Type Single Girder EOT Crane: A Comprehensive Guide

Overview

The LD type single girder EOT (Electric Overhead Traveling) crane is a widely used and cost-effective solution for various industrial settings, including factories, warehouses, and stockyards. This guide provides an in-depth look at the features, applications, and technical parameters of the LD type single girder EOT crane.

Features of LD Type Single Girder EOT Crane

Design and Standards

• The LD type single girder EOT crane is designed and produced according to national and international standards such as FEM and GB.
• It is known for its light weight, light wheel load, and reliable performance.

Structural Components

• Main Girder: The main girder is typically made of a welding structure of steel plate and I-beam steel, formed into a U-shaped groove.
• Electric Hoist: The crane can be equipped with CD (single lifting speed) or MD (dual lifting speed) electric hoists, which realize both lifting and cross-travel functions.
• End Carriage: Composed of wheels and a traveling mechanism (motor, reducer, and brake), the end carriage is connected to the main girder by bolts and nuts for easy transportation and installation.
• Hook Block: The hook block includes sheaves, hooks, and a latch, allowing for 360-degree rotation. Single and double hooks are available.

Operation and Control

• The crane can be operated using pendant control, remote control, or cabin control.
• It features frequency conversion for lifting, hoist, and crane traveling, ensuring smooth and precise operations.

Safety Features

• Overload limiter, lifting height limiter, cross-traveling limiter, and crane long travel limiter are included for safety.
• Automatic power-off protection and other safety devices such as sound and light alarm systems are integrated.

Applications

Industrial Settings

• The LD type single girder EOT crane is widely used in factories, warehouses, stockyards, and other industrial environments for general material handling.
• It is suitable for various industries including machinery, metallurgy, petroleum, petrochemical, ports, railways, civil aviation, electricity, food, paper, building materials, and electronics.

Specialized Environments

• However, it is strictly forbidden to use the LD type crane in dangerous operating environments such as easily combustible, explosive, or corrosive environments. For such environments, the LB type explosion-proof crane is recommended.

Technical Parameters

Lifting Capacity and Span

• Lifting capacity ranges from 1 to 32 tons.
• Span lengths vary from 7.5 to 31.5 meters or can be specified according to customer needs.

Lifting Height and Speed

• Lifting heights can be 6, 9, 12, or 18 meters, or customized as required.
• Lifting speeds can range from 0.3 to 8 meters per minute, depending on the hoist model.

Hoist and Crane Traveling Speeds

• Hoist traveling speed is typically 20 meters per minute.
• Crane traveling speed can range from 20 to 30 meters per minute.

Working Class and Power

• The working class is A3, A4, or A5, depending on the frequency of use.
• The crane operates on 220-660V, 50/60Hz, 3-phase power.

Ambient Temperature

• The crane can operate in ambient temperatures ranging from -25 to 40°C.

Types of Single Girder Overhead Cranes

Top Running and Underhung Cranes

• Top Running: The crane travels on the top of crane rails, suitable for most general material handling needs.
• Underhung: The crane is hung under the crane rails fixed on the ceiling, also known as ceiling-mounted single girder bridge crane.

Specialized Models

• LZ Type: Single girder grab overhead crane for handling bulk materials.
• LB Type: Explosion-proof single girder overhead crane for hazardous environments.
• HD Type: European standard single girder overhead crane with advanced features like frequency conversion and high performance.

Advantages

Cost-Effectiveness

• The LD type single girder EOT crane is a cost-effective solution for general lifting applications, offering lower investment costs compared to double girder cranes.

Ease of Installation and Maintenance

• The crane has a simpler structure, making it easy to install and maintain. This reduces labor and maintenance costs.

Work Efficiency and Safety

• The crane enhances work efficiency and safety by streamlining workflows and incorporating various safety features.
• It is designed to improve the accuracy and safety of the transportation process, allowing operators to focus on the load rather than the crane movement.

Customization

Tailored Solutions

• The LD type single girder EOT crane can be customized according to the customer’s specific working conditions and space requirements.
• Custom designs are available to meet the unique needs of different industries and environments.

By understanding these features, applications, and technical parameters, users can make informed decisions when selecting and utilizing the LD type single girder EOT crane for their industrial needs.

China Double girder overhead crane manufacturers …

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 available about double girder overhead cranes from the other sources.

Double Girder Overhead Crane Guide

Introduction

A double girder overhead crane is a type of bridge crane that features two parallel girders (the bridge) running between overhead runways. This design offers several advantages over single girder cranes, particularly in terms of load capacity, span, and hook height.

Structure and Components

• Girders: The girders act as the supporting beams of the crane, running perpendicular to the runways built into the building structure. They are typically box-shaped for high strength, rigidity, and stability[2][3][4].
• End Trucks: Located at the ends of each girder, these trucks move the girders and the hoist forward and backward along the length of the runways.
• Trolley and Hoist: Usually, the trolley and hoist run along the top of the girders, providing higher hook heights compared to single girder cranes[1][4].

Benefits and Advantages

Load Capacity

• Double girder overhead cranes are designed for handling medium to heavy-duty loads, often ranging from 20 tons to over 500 tons or more. This makes them ideal for applications requiring frequent lifting of heavy loads[2][3][4].

Improved Hook Height

• The trolley travels on top of the bridge, elevating the hook height and allowing operators to hoist taller and longer objects within the work area[1][4].

Span and Coverage

• Double girder cranes can span longer distances due to their combined strength, making them suitable for larger workspaces and heavier loads[1][3][4].

Additional Hoists and Lifting Points

• It is possible to add secondary hoists to individual girders, providing multiple lifting points and allowing hoists to bypass each other[1].

Customization and Accessories

• Double girder cranes can be fitted with various accessories such as maintenance platforms, crab units with walkways, and auxiliary hoists to enhance functionality and safety[3][5].

Applications

Manufacturing Industry

• These cranes are crucial in the manufacturing industry, especially in heavy industries that require the movement of large and heavy materials, components, and equipment throughout a facility[2].

Metal Smelting

• In metal smelting, double girder overhead cranes are essential for processes such as feeding, casting, forging, and storage within steel mills and foundries[2].

Key Considerations for Selection

Weight Capacity

• Determine the maximum weight the crane needs to lift. Ensure the crane’s capacity exceeds the maximum load to provide a safety margin[2][4].

Span

• Measure the distance between the crane’s runway beams. This span will determine the crane’s coverage area[2][4].

Hook Height

• Consider the height from the ground to the highest point the crane needs to lift. Top-running cranes provide more overhead room and greater hook height compared to under-running cranes[4].

Hook Approach

• Note that double girder cranes have a smaller hook approach than single girder cranes, affecting how you utilize your floorspace beneath the crane[4].

Installation

• Double girder cranes require more material for the bridge beams and runway systems, placing greater strain on the building structure and foundation. Extra tie-backs or support columns may be necessary[4].

Installation and Maintenance

Building Integration

• Double girder cranes can be integrated into various building structures, whether new or existing, thanks to different main girder connection options[3][5].

Maintenance and Operation

• These cranes often feature low-maintenance designs with smooth starting and braking systems. Regular maintenance is crucial to ensure continuous high functionality and safety[5].

Cost and Efficiency

Cost-Effectiveness

• While double girder cranes are generally more expensive than single girder cranes, they offer cost and space efficiency for heavy-duty applications. They can handle heavier loads and span longer distances, making them a valuable investment for demanding environments[1][2].

Operational Efficiency

• Double girder cranes are designed for high-speed operation, which can enhance production efficiency in demanding environments[2].

Conclusion

Double girder overhead cranes are versatile and powerful tools for handling heavy loads across various industrial environments. By considering factors such as load capacity, span, hook height, and installation requirements, you can select the right double girder overhead crane to meet your specific lifting needs and ensure efficient and safe operations.

Single Girder Overhead Crane

Single Girder Overhead Crane: A Comprehensive Guide

Introduction

Single girder overhead cranes are a common and versatile solution for light to medium-duty material handling in various industries. This guide will delve into the components, features, advantages, and disadvantages of single girder overhead cranes, as well as their applications and safety considerations.

Components of a Single Girder Overhead Crane

Bridge Girder

The bridge girder is the primary horizontal beam that spans the width of the working area. It is typically made from steel, such as S355 material, and is designed to be compact and lightweight while maintaining strong structural integrity[1][3][5].

End Trucks

End trucks are mounted at each end of the bridge girder, enabling the crane to travel along the runway beams. They consist of wheels and a traveling mechanism, including motors, reducers, and brakes[2][5].

Runway Beams

Runway beams are the parallel beams that support the entire crane structure, providing a smooth surface for the end trucks to move along.

Hoist

The hoist is the mechanism that lifts and lowers the load. It consists of a motor, gearbox, and drum or chain with a hook or other lifting attachment. Hoists can be configured with single or dual lifting speeds[2][5].

Trolley

The trolley houses the hoist and moves horizontally along the bridge girder to position the load. It is usually underhung, meaning it rides on the bottom flange of the bridge girder[3][4][5].

Features of Single Girder Overhead Cranes

Design and Construction

Single girder overhead cranes follow international design codes such as FEM, CMAA, and EN ISO. The girder is welded according to specifications like ISO 15614 and AWS D14.1, ensuring high-quality construction[1].

Hoist Options

These cranes can be equipped with low headroom hoists or standard room hoists, making them suitable for various workshop and warehouse applications[1].

End Carriage Design

The end carriage can be designed as either hollow shaft or open gear type, with wheels made from alloy steel and proper heat treatment[1].

Motor and Control System

The cranes are equipped with branding gear motors that have IP55 protection, F insulation class, IE3 energy efficiency, overheat protection, manual release bar, and electromagnetic brake. The motor is controlled by an inverter for smooth operation. The control panel follows IEC standards and is installed in an IP55 enclosure[1].

Safety and Maintenance

Single girder overhead cranes are designed for easy installation and maintenance. They feature a double line galvanized C track festoon system for power and signal transmission, and the surface is pre-treated by blasting according to ISO8501-1 with a C3-C5 painting system according to ISO 12944-5[1].

Advantages of Single Girder Overhead Cranes

Cost-Effectiveness

Single girder overhead cranes are less expensive than double girder cranes due to their lighter weight and lower material requirements. This reduces costs in shipping, installation, and materials[3][4][5].

Easy Installation and Maintenance

The straightforward design of single girder cranes makes them easier to install and maintain compared to double girder cranes. This simplicity also reduces the complexity and cost of the system[3][4][5].

Space Efficiency

These cranes are ideal for buildings with limited headroom due to their low headroom design, allowing for maximum use of vertical space[3][4][5].

Versatility

Single girder overhead cranes can be customized to suit various applications, with options for different lifting capacities, spans, and heights[5].

Disadvantages of Single Girder Overhead Cranes

Limited Capacity and Span

Single girder cranes have a lower weight capacity, typically up to 20 tons, and shorter spans compared to double girder cranes. They are not suitable for heavy-duty applications or large spans[3][4].

Reduced Hook Height

The underhung trolley design of single girder cranes results in a lower hook height compared to double girder cranes[3][4].

Special Feature Limitations

Adding special features such as walkways and operator cabs is more difficult and costly in single girder crane designs[3][4].

Wear on the Beam

The trolley wheels riding on the bottom flange of the bridge girder can cause more wear to the beam over time[3][4].

Applications of Single Girder Overhead Cranes

Manufacturing

Single girder overhead cranes are widely used in manufacturing facilities to move raw materials, machinery, and finished products[5].

Warehousing

These cranes are used in warehouses for loading and unloading goods from trucks, ships, and storage areas[5].

Construction

They are employed in construction sites for lifting and transporting heavy construction materials such as steel, concrete, and pre-fabricated sections[5].

Automotive

Single girder overhead cranes are used in the automotive industry for handling engine blocks, body panels, and other components during assembly and maintenance[5].

Shipbuilding

They are also used in shipbuilding for lifting and moving large sections of the ship during construction and repair[5].

Safety Considerations

Proper Training

Ensure that all crane operators receive comprehensive training on safe operating procedures, emergency response, and crane maintenance[5].

Regular Inspections and Maintenance

Conduct routine inspections and maintenance to identify and address any potential issues before they become safety hazards[5].

Load Capacity Adherence

Never exceed the crane’s rated load capacity to avoid structural damage or accidents[5].

Proper Rigging

Use appropriate slings, shackles, and other rigging equipment to securely attach the load to the crane[5].

Clear Communication

Establish clear communication protocols between the crane operator and ground personnel to coordinate movements and avoid accidents[5].

Conclusion

Single girder overhead cranes offer a cost-effective, versatile, and space-efficient solution for light to medium-duty material handling. While they have several advantages, it is crucial to consider their limitations and ensure proper safety measures are in place. By understanding the components, features, and applications of single girder overhead cranes, users can make informed decisions and optimize their use in various industrial settings.

China EOT Cranes Manufacturer Tavol Brand Double …

Guide to Tavol Brand Double Beam Bridge Cranes

Overview

Tavol Brand Double Beam Bridge Cranes, also known as double girder overhead cranes or double girder bridge cranes, are designed for various industrial applications requiring heavy-duty lifting and moving of loads. Here is a comprehensive guide to these cranes.

Structure and Components

Main Structure

• The crane consists of two girder beams that make up the bridge, supported by an end truck on each side[1][3][5].
• The bridge girders are typically of a box-type frame design.
• The electric hoist or winch trolley runs on a rail installed above the bridge girders.

Key Components

• Main Beam and End Carriage: The main beams and end carriages form the core structure of the crane.
• Hoist or Winch: This is the lifting mechanism, often an electric hoist, which is fitted on the trolley frame.
• Electric Power Transmission Device: This includes the electrical system that powers the crane.
• Operation Room: Optional cabin control for more complex operations[3].

Specifications

Load Capacity

• The load capacity of Tavol Brand Double Beam Bridge Cranes ranges from 3 tons to 200 tons, including combinations like 20/5 tons and 32/5 tons[1][3][5].

Span

• The span of these cranes can be customized but generally ranges from 6 meters to 42 meters, with some models offering cantilever options[1][3][5].

Lifting Height

• The lifting height can vary from 3 meters to 60 meters, depending on the model and application[1][3][5].

Work Duty

• The work duty classification ranges from A3/M3 to A7/M7, indicating the crane’s suitability for light to heavy-duty applications[1][3][5].

Control Methods

• Control methods include remote control and cabin control, providing flexibility in operation[1][3][5].

Electrical and Mechanical Parts

• Electrical parts are from reputable brands such as CHINT or Schneider.
• Motors are from Chinese famous brands or international brands like Boneng.
• Bearings are from Chinese famous brands like “HRB”[1][3][5].

Speeds

• Hoist lifting speed: 0-8 m/min or 0-10 m/min depending on the model.
• Cross travel speed: 0-20 m/min or 0-30 m/min.
• Long travel speed: 0-20 m/min or 0-30 m/min[1][3][5].

Product Features

Cost Efficiency

• These cranes help in reducing the cost of building and maintaining plant and workshop facilities[1].

Production Efficiency

• They improve production efficiency by enabling quick and precise movement of heavy loads[1].

Versatility

• Suitable for different operating conditions, providing one-stop solutions for various industrial needs[1].

Maintenance

• Designed to reduce daily maintenance requirements, ensuring smooth and continuous operation[1].

Safety and Performance

• Emphasize safety with high performance, featuring forged hooks with safety locks and other safety measures[1][3][5].

Applications

Industrial Use

• Widely applicable in multiple fields such as:
• Steel plants
• Cement plants
• Power plants
• Mine industry
• Food industry
• Chemical industry
• Cable plants
• Machine tools
• Car/Truck industry
• Transport companies
• Construction companies
• Electrical companies
• Shipyards
• Stone yards
• Installation and maintenance[1][3][5].

Specific Tasks

• Recommended for heavier-duty applications where the crane needs to handle heavy capacities and longer spans.
• Suitable for transfer, assembly, check, and repair, as well as load and unload operations in various workshops and warehouses[3].

Packaging and Shipping

Packaging

• Electric parts are packed in high-quality plywood crates to reduce distortion during transportation.
• Main beams and end beams are packed in plastic woven cloth to reduce abrasion.
• The whole set of the crane is shipped by container or by bulk[1][3][5].

After-Sales Service

Warranty

• Typically comes with a 1-year to 2-year warranty, depending on the model[2][5].

Installation and Support

• Installation teams are available for overseas installation services.
• Installation videos and manuals are provided to assist in self-installation.
• Free spare parts are provided within the warranty period.
• 24/7 online service support is available[5].

Customization

Custom Options

• Customization is available for various parameters such as load capacity, lifting height, span size, and travel length.
• Local power supply can be customized to fit specific requirements[2][5].

By understanding these aspects, users can make informed decisions when selecting and utilizing Tavol Brand Double Beam Bridge Cranes for their industrial needs.

Single Girder Overhead Crane

Guide to Single Girder Overhead Cranes

Introduction

Single girder overhead cranes are a versatile and widely used type of lifting equipment in various industries. They are known for their efficiency, cost-effectiveness, and suitability for facilities with limited headroom or floor space.

Components and Design

Bridge and Runways

A single girder overhead crane consists of a single girder beam that serves as the bridge, supported on each side by an end truck. These end trucks ride on wheels along the overhead runways, which are typically integrated into the building’s support structure.

Trolley and Hoist

The trolley and hoist are usually underhung, meaning they run on the bottom flange of the bridge. This design allows for efficient movement of the trolley and hoist along the length of the bridge.

Top Running and Under Running Designs

Single girder cranes can be either top running or under running in design. Top running cranes have the end trucks riding on top of the runways, while under running cranes have the end trucks riding on the bottom of the runways. Top running designs generally provide more overhead room and greater hook height.

Advantages

Cost-Effectiveness

Single girder cranes are less expensive due to their simpler design, reduced material usage, lower freight costs, and faster installation. They require less material for the bridge and runway beams, resulting in significant cost savings.

Space Efficiency

These cranes are ideal for facilities with limited headroom or floor space. They have a lower deadweight, which means they can utilize lighter runway systems and often tie into the existing building support structure without additional support columns.

Better Hook Approach

Single girder cranes offer better hook approach for both trolley travel and bridge travel, enhancing the overall efficiency of lifting operations.

Ease of Installation, Service, and Maintenance

The design of single girder cranes makes them easier to install, service, and maintain compared to double girder cranes. This simplicity reduces downtime and maintenance costs.

Industry Suitability

Single girder cranes are suitable for various industries, including workshops, warehouses, material yards, and manufacturing and production facilities. They are particularly useful in applications where loads are light to medium weight.

Disadvantages

Capacity and Span Limitations

Single girder cranes have limitations in terms of capacity, span, and hook height. They are rarely rated higher than 15 tons and typically have spans under 65 feet. For heavier-duty applications or larger spans, a double girder crane may be more appropriate.

Limited Customization

Adding specialized features such as service walkways, enclosed or exposed operator cabs, or magnet cable reels can be difficult or expensive with single girder cranes.

Applications

Manufacturing

Single girder cranes are used in manufacturing to move raw materials, machinery, and finished products within the facility.

Warehousing

They are utilized in warehousing for loading and unloading goods from trucks, ships, and storage areas.

Construction

In construction, single girder cranes help in lifting and transporting heavy materials such as steel, concrete, and pre-fabricated sections.

Automotive

In the automotive industry, these cranes handle engine blocks, body panels, and other components during assembly and maintenance.

Shipbuilding

Single girder cranes are also used in shipbuilding for lifting and moving large sections of the ship during construction and repair.

Safety Considerations

Regular Inspections and Maintenance

Regular inspections and maintenance are crucial to ensure the safe operation of single girder overhead cranes. This includes identifying and addressing any potential issues before they become safety hazards.

Operator Training

Comprehensive training for crane operators is essential to ensure they understand how to safely operate the equipment and respond to emergencies.

Load Capacity Adherence

Never exceeding the crane’s rated load capacity is critical to avoid structural damage or accidents.

Proper Rigging

Using appropriate slings, shackles, and other rigging equipment to securely attach the load to the crane is vital for safe operations.

Clear Communication

Establishing clear communication protocols between the crane operator and ground personnel is necessary to coordinate movements and avoid accidents.

Conclusion

Single girder overhead cranes are a reliable and cost-effective solution for light to medium-duty lifting applications. Their design and advantages make them an ideal choice for various industries, especially where headroom and floor space are limited. However, it is important to consider their limitations and ensure proper safety measures are in place to maximize their efficiency and safety.

120+40t Double Girder Overhead Crane

Since the provided URL does not lead to a specific webpage with detailed information, I will create a comprehensive guide on double-girder overhead cranes using the information from the other sources.

Double Girder Overhead Cranes: A Comprehensive Guide

Introduction

Double-girder overhead cranes are a type of bridge crane that consists of two girders (the bridge) running between two or more overhead runways built into the building’s support structure. These cranes are ideal for heavy-duty applications and offer several advantages over single-girder cranes.

Key Components and Design

Girders

• Double-girder cranes feature two girders, which can be designed as box girders, profile girders, or compact box girders. Box girders are often used for their strength and cost efficiency[2][4].
• The girders are typically made from high-strength materials such as Q235B carbon structural steel[3].

End Carriages

• The end carriages are attached to the ends of the girders and move the girders and the hoist forward and backward along the length of the runways. They are equipped with quality wheels and powerful motors[3].

Hoisting System

• The hoisting system can include a main hoist and an auxiliary hoist. The main hoist handles the primary lifting tasks, while the auxiliary hoist is used for lighter loads or to assist in load rotation[4].
• Hoists can be equipped with advanced features such as two-speed or frequency double-speed control, which stabilize the start, acceleration, and deceleration of the crane and reduce load swing[3].

Control Systems

• Control systems can include pendant, radio, or wireless remote control options. These systems are designed for ergonomic use and can be operated from various locations within the span range[3].
• Advanced crane control systems like ABUControl can integrate intelligent functions to enhance operation efficiency and safety[2].

Technical Specifications

Capacity and Span

• Double-girder cranes can handle capacities up to 120 tons and spans up to 42 meters, depending on the specific design and application[2][4].
• For example, Konecranes CXT NEO cranes can lift up to 80 tons, and with two hoists, up to 160 tons[1].

Lifting Height

• The lifting height can vary but typically ranges from 6 to 12 meters. Top-running cranes provide the greatest hook height and more overhead room[5].

Speeds

• Hoist speeds can range from 0.8 to 5 meters per minute, and crane travel speeds can range from 3 to 30 meters per minute[3].
• Fast long and cross travel speeds are possible, making these cranes suitable for high-speed applications[2].

Work Duty and Classification

• Cranes are classified according to their work duty and load cycles. Common classifications include Class C (Moderate Service), Class D (Heavy Service), Class E (Severe Service), and Class F (Continuous Severe Service)[5].

Benefits and Advantages

Greater Hook Height

• Double-girder cranes offer higher hook heights compared to single-girder cranes, providing more overhead room and flexibility in lifting operations[5].

Flexibility and Customization

• These cranes can be customized with various features such as service walkways, maintenance platforms, lights, cabs, and other accessories to meet specific application needs[2][4].

High Performance and Efficiency

• Double-girder cranes are designed for high performance and efficiency, making them ideal for heavy-duty and frequent lifting applications[2][4].

Integration with Existing Structures

• They can integrate well into different building structures, whether new or existing, thanks to various main girder connection options[2].

Selection Criteria

Weight Capacity

• The first consideration is the weight capacity required for your application. Double-girder cranes are suitable for loads of 20 tons or more[5].

Span

• The span of the crane is another critical factor. Cranes over 60 feet typically require double-girder designs[5].

Hook Approach

• The hook approach is important for ensuring adequate space between the hook and the walls or other obstacles. Top-running cranes provide the best hook approach and maximum headroom[5].

Classification

• Ensure the crane is classified correctly for your application based on the load cycles and intensity of use[5].

Installation and Maintenance

Installation

• Double-girder cranes can be installed in various configurations, including top-running and under-running designs. Top-running cranes offer higher weight capacities and greater hook heights[5].

Maintenance

• Regular maintenance is crucial for ensuring the longevity and performance of the crane. Features like service walkways and maintenance platforms can facilitate maintenance tasks[4].

Advanced Features and Technologies

Smart Features

• Modern double-girder cranes can be equipped with smart features such as Sway Control, Target Positioning, Synchronized Hoisting, Load Floating, and ESR Inverter Hoisting. These features enhance safety, reliability, and user-friendliness[1].

Remote Monitoring

• Some cranes come with remote monitoring systems like TRUCONNECT, which provide real-time data on crane condition and performance, helping in predictive maintenance and optimizing crane usage[1].

Conclusion

Double-girder overhead cranes are robust and versatile lifting solutions suitable for a wide range of heavy-duty applications. By understanding their key components, technical specifications, benefits, and selection criteria, you can choose the right crane to meet your specific needs and ensure efficient and safe lifting operations.

China Top Crane Manufacturer 30/10t 50/10t Double …

China Top Crane Manufacturer: 30/10t 50/10t Double Girder Bridge Crane with Hook

Overview

The 30/10t 50/10t Double Girder Bridge Crane with Hook, offered by the Nucleon Crane Group, is a high-capacity lifting solution designed for various industrial applications. Here is a comprehensive guide to this product.

Manufacturer Information

Company Background

• The Nucleon Crane Group is a reputable manufacturer based in China, established on January 10, 2005.
• The company specializes in the production of a wide range of crane types, including gantry cranes, overhead cranes, electric hoists, electric winches, jib cranes, and boat lifting gantry cranes.

Product Specifications

Lifting Capacity

• The crane is available in two main configurations:
• 30/10 tons: This configuration features a main hook with a 30-ton capacity and an auxiliary hook with a 10-ton capacity.
• 50/10 tons: This configuration features a main hook with a 50-ton capacity and an auxiliary hook with a 10-ton capacity.

Girder Type

• The crane is a double girder bridge crane, which provides greater stability and higher lifting capacities compared to single girder cranes.

Hook Type

• The crane is equipped with a hook, which is suitable for lifting and moving heavy loads.

Pricing and Ordering

Cost

• The price range for this crane is between $2000 to $2000, though this may vary based on specific configurations and additional features.

Minimum Order Quantity

• The minimum order quantity is 1 piece.

Product Features

Design and Construction

• The crane features a robust design to ensure durability and reliability in heavy-duty applications.
• The double girder structure enhances the crane’s stability and load-bearing capacity.

Operation

• The crane can be operated via both air and ground controls, offering flexibility in different working environments.

Safety and Reliability

• The crane is designed with safety and reliability in mind, incorporating advanced safety features to minimize risks during operation.

Applications

Industrial Use

• These cranes are widely used in various industries such as:
• Machinery manufacturing
• Paper making
• Energy and power plants
• Automobile and shipbuilding
• Metal processing
• Aviation and aerospace

Additional Services

Installation and Maintenance

• The Nucleon Crane Group offers installation services for the crane to ensure it is set up correctly and safely.
• They also provide maintenance and repair services to extend the lifespan of the crane and ensure optimal performance.

Conclusion

The 30/10t 50/10t Double Girder Bridge Crane with Hook from the Nucleon Crane Group is a versatile and reliable lifting solution for heavy-duty industrial applications. With its robust design, advanced safety features, and comprehensive service offerings, this crane is an excellent choice for businesses requiring high-capacity lifting capabilities.

5 Ton Double Girder Overhead Crane Manufacturers and …

Guide to 5-Ton Double Girder Overhead Cranes

Introduction

Double girder overhead cranes are robust and versatile material handling solutions, often used in heavy-duty applications. A 5-ton double girder overhead crane is a popular choice for various industries due to its balance of capacity and cost-effectiveness.

Key Specifications

Lifting Capacity

• The primary specification of a 5-ton double girder overhead crane is its lifting capacity, which is 5 tons.

Span

• The span of a 5-ton double girder overhead crane typically ranges from 7.5 meters to 31.5 meters, allowing it to cover a wide area within a factory or warehouse[1][3][4].

Lifting Height

• The lifting height can be customized according to the user’s requirements but generally ranges from 6 meters to 18 meters or more, depending on the installation and application[1][3][4].

Lifting Speed

• The lifting speed for a 5-ton double girder crane usually ranges from 5 m/min to 11.5 m/min, with slower speeds for precise handling and faster speeds for efficient operations[1][2][4].

Trolley Speed

• The trolley speed, which is the speed at which the trolley moves along the crane’s girder, typically ranges from 2 m/min to 40 m/min[1][2][4].

Crane Speed

• The crane speed, which is the speed at which the entire crane moves along the runway, can range from 3 m/min to 30 m/min or more[1][2][4].

Working Class

• Double girder overhead cranes are often classified under working class A5, indicating they are suitable for heavy-duty operations with frequent use[1][3][4].

Types of Double Girder Overhead Cranes

QD Series

• The QD series double girder overhead crane is a common type, featuring an open winch trolley and a capacity range of 5 tons to 320 tons. It is known for its sturdy construction and wide application in various industries[1][3][4].

QDX Series (European Style)

• The QDX series is an advanced European-style double girder crane, characterized by its compact structure, low headroom design, and use of frequency conversion for stable and efficient operation. It has a capacity up to 80 tons[1][3][4].

NLH Series

• The NLH series is another European-style double girder crane, known for its hoist trolley and low headroom design. It is designed for heavy-duty applications and has a capacity up to 80 tons[1][4].

Features and Advantages

High Safety and Reliability

• Double girder overhead cranes are designed with high safety and reliability in mind, featuring robust structures and advanced safety mechanisms to ensure secure and efficient operations[1][3][4].

Customization

• These cranes can be customized to meet specific user requirements, including lifting height, span, and other specifications to fit the particular needs of the workplace[1][3][4].

Versatility in Attachments

• Double girder overhead cranes can be equipped with various attachments and below-the-hook lifting devices such as grabs, tongs, magnets, and spreader beams, making them versatile for different types of loads[1][4].

Energy Efficiency

• European-style double girder cranes, such as the QDX and NLH series, are designed with energy-saving features and advanced technologies, making them more efficient and environmentally friendly[1][3][4].

Applications

Industrial Use

• Double girder overhead cranes are widely used in heavy industries such as steel mills, shipyards, and construction sites where heavy material handling is required[1][3][4].

Warehouse and Factory Use

• These cranes are also used in warehouses and factories for general material handling, offering a reliable and efficient way to move heavy loads around the facility[1][3][4].

Installation and Maintenance

Installation

• The installation of a double girder overhead crane requires careful planning and execution to ensure that the crane is properly aligned and securely fastened to the runway beams[1][3][4].

Maintenance

• Regular maintenance is crucial to extend the lifespan of the crane. This includes checking the electrical and mechanical components, lubricating moving parts, and performing periodic inspections to ensure all safety standards are met[1][3][4].

Conclusion

A 5-ton double girder overhead crane is a powerful and versatile piece of equipment that can significantly enhance the efficiency and safety of material handling operations in various industries. With its customizable specifications, advanced safety features, and versatility in attachments, it is an ideal choice for heavy-duty applications. Ensuring proper installation and regular maintenance is key to maximizing the performance and longevity of these cranes.

China Overhead Crane Manufacturer

Guide to Overhead Cranes

Introduction to Overhead Cranes

Overhead cranes are essential pieces of equipment in various industrial settings, including factories, warehouses, and workshops. They are designed to enhance efficiency and safety in material handling operations. Here is a comprehensive guide to help you understand the different types, specifications, and applications of overhead cranes.

Types of Overhead Cranes

Single Girder Overhead Cranes

• Construction: These cranes feature a single I-beam or girder that supports the load.
• Capacity: Typically ranges from 1 to 20 tons[2][5].
• Span: Usually spans between 7.5 to 31.5 meters[1][2].
• Lifting Height: Can vary from 6 to 30 meters[1][2].
• Speeds:
• Lifting speed: 0.8 to 5 m/min
• Hoist travelling speed: 2 to 20 m/min
• Crane speed: 3 to 30 m/min[2].
• Advantages: Lighter, easier to install, and less expensive compared to double girder cranes[5].

Double Girder Overhead Cranes

• Construction: These cranes have two girders that support the load, providing greater stability and lifting capacity.
• Capacity: Ranges from 5 to 450 tons[1][2].
• Span: Typically spans between 10.5 to 31.5 meters[1][2].
• Lifting Height: Can range from 6 to 24 meters[1][2].
• Speeds:
• Lifting speed: 2.1 to 11.5 m/min
• Trolley speed: 27 to 40 m/min
• Crane speed: 42 to 75 m/min[2].
• Advantages: Higher lifting capacity, greater lifting heights, and longer spans compared to single girder cranes[4][5].

Mounting Types

Top Running Cranes

• Description: Mounted on top of the runway beams, which can be part of the building structure or a freestanding system.
• Benefits: Achieves greater lifting height, easier installation and service, and optimal lifting capabilities[4][5].

Under Running Cranes

• Description: Mounted below the runway beams.
• Benefits: Suitable when facility headroom is a major issue, though it offers less lifting height compared to top running cranes[4][5].

Other Types of Overhead Cranes

Gantry Cranes

• Description: These cranes are supported by legs and run on rails or wheels, often used outdoors or in large indoor spaces.
• Benefits: Can handle heavy loads and are versatile in their application[5].

Jib Cranes

• Description: Feature a boom arm that supports a moving hoist, often free-standing or wall-mounted.
• Benefits: Ideal for operations with limited space, providing up to 360-degree rotation and precise load positioning[4][5].

Monorail Cranes

• Description: Consist of a single rail with a hoist that moves along it, typically used for vertical lifting.
• Benefits: Unique design, efficient for tasks that require only up and down movement[5].

Workstation Cranes

• Description: Designed for specific workstations, these cranes do not rely on the building’s structural integrity.
• Benefits: Can be placed almost anywhere, used in big manufacturing plants, and offer lifting capabilities from half a ton to several tons[5].

Specifications and Parameters

Capacity and Span

• Single girder cranes: 1-20 tons, span of 7.5-31.5 meters[1][2].
• Double girder cranes: 5-450 tons, span of 10.5-31.5 meters[1][2].

Lifting Height and Speed

• Single girder cranes: Lifting height of 6-30 meters, lifting speed of 0.8-5 m/min[1][2].
• Double girder cranes: Lifting height of 6-24 meters, lifting speed of 2.1-11.5 m/min[1][2].

Work Duty and Temperature

• Work duty classes range from A3 to A7, depending on the crane model and application[1][2].
• Operating temperatures can range from -20 to +40 degrees Celsius, with some models capable of operating up to +60 degrees Celsius[2].

Applications and Industries

Overhead cranes are widely used in various industries, including:
– Automotive Factories: For assembling and moving heavy vehicle parts.
– Paper Mills: For handling heavy rolls of paper.
– Warehouses: For loading and unloading goods.
– Workshops: For general material handling and maintenance tasks[5].

Customization and Installation

• Overhead cranes can be customized to meet specific user requirements, including adjustments in height, span, and lifting capacity[1][2].
• Installation involves careful planning, including packing, dispatch, transportation, and on-site installation and testing[2].

Conclusion

Overhead cranes are critical for enhancing efficiency and safety in industrial settings. Understanding the different types, specifications, and applications of these cranes is essential for selecting the right equipment for your needs. Whether you require a single girder crane for lighter loads or a double girder crane for heavy-duty applications, there is an overhead crane designed to meet your specific requirements.

Chinese Standard Single Girder Overhead Crane

Chinese Standard Single Girder Overhead Crane: A Comprehensive Guide

Introduction

A Chinese Standard Single Girder Overhead Crane is a widely used lifting solution in various industrial settings, including steel plants, hydro-power stations, warehouses, and workshops. This guide provides an in-depth look at the specifications, types, and applications of these cranes.

Types of Single Girder Overhead Cranes

LD Traditional Single Girder Overhead Crane

• Lifting Capacity: Ranges from 1 to 32 tons[5].
• Span Length: Typically between 7.5 to 31.5 meters[4][5].
• Lifting Height: Can be customized but commonly ranges from 6 to 30 meters[1][2][5].
• Working Class: Classified under A3 and A4, indicating moderate to heavy-duty usage[5].
• Hoisting System: Equipped with electric hoists, such as wire rope hoists, chain hoists, or other types depending on the application[5].

HD European Type Single Girder Overhead Crane

• Lifting Capacity: Usually up to 10 tons, but can extend to higher capacities[1][3].
• Span Length: Generally between 7.5 to 28.5 meters[1][3].
• Lifting Height: Typically ranges from 6 to 18 meters, but can be customized[1][3].
• Working Class: Classified under A5, indicating heavy-duty usage[1].
• Hoisting System: Features advanced European standards with high-efficiency motors and precise control systems[1][3].

LX Single Girder Suspension Crane

• Lifting Capacity: Ranges from 0.5 to 10 tons[1].
• Span Length: Between 3 to 22.5 meters[1].
• Lifting Height: Typically from 6 to 30 meters[1].
• Working Class: Classified under A3-A4[1].
• Application: Ideal for spaces with limited headroom or specific installation requirements[1].

Key Specifications

Lifting Capacity and Span

• The lifting capacity of single girder overhead cranes can range from 0.5 tons to 32 tons, depending on the type and model[1][4][5].
• The span length varies widely, from 3 meters to 31.5 meters, accommodating different workshop and plant layouts[1][4][5].

Lifting Height

• The lifting height can be customized but generally ranges from 6 meters to 30 meters, with some models offering higher or lower heights based on specific requirements[1][2][5].

Speeds

• Lifting Speed: Varies from 0.8 m/min to 8 m/min, with dual-speed options available for more precise control[1][2][5].
• Trolley Speed: Typically ranges from 20 m/min to 30 m/min[1][2][5].
• Crane Speed: Also ranges from 20 m/min to 30 m/min, ensuring efficient movement along the track[1][2][5].

Motor and Control Systems

• Lifting Motor: Usually powered by motors ranging from a few kilowatts to higher capacities depending on the crane’s lifting capacity[3].
• Trolley and Crane Motors: Smaller motors, typically around 0.8 kW, are used for trolley and crane movement[3].

Dimensions and Weight

• Main Dimensions: Include rail top to crane top, rail top to hook center, crane base distance, and crane width, which vary based on the span and capacity[2][3].
• Total Weight: Can range from a few tons to over 14 tons, depending on the crane’s size and capacity[3].

Applications and Installation

Industrial Settings

• These cranes are commonly used in steel plants, hydro-power stations, warehouses, and various workshops where heavy lifting is required[4].

Installation Considerations

• Track Type: Cranes can be fitted with different track types such as P18, P24, and P30, depending on the load and span requirements[1][3].
• Low Headroom Options: Available for installations where headroom is limited but lifting height needs to be maximized[5].
• Underslung Cranes: Can be installed on the roof of the workplace without brackets, saving space and reducing costs[5].

Maintenance and Safety

Regular Maintenance

• Regular checks on motors, hoisting systems, and structural components are essential to ensure the crane’s longevity and safety[5].

Safety Features

• Include overload protection, limit switches, and emergency stop systems to prevent accidents and ensure safe operation[5].

Conclusion

Chinese Standard Single Girder Overhead Cranes offer versatile and reliable lifting solutions for a wide range of industrial applications. Understanding the various types, specifications, and installation considerations is crucial for selecting the right crane for your specific needs. By ensuring proper maintenance and adhering to safety protocols, these cranes can provide efficient and safe lifting operations.

Frequently Asked Questions (FAQs)

What are the main components of a single girder overhead crane?

A single girder overhead crane is composed of several key components. The main girder, which is the single horizontal beam, supports the hoist and trolley. The crane also includes two end trucks or end carriages that run on the crane rails fixed on the overhead runway beams. Additionally, it features an overhead hoist, which can be either a single speed or double speed wire rope hoist or an electric chain hoist, to handle the load. Other essential parts include the trolley rail, made of high-strength hot rolled flat steel, and the electric control system.

What are the typical applications and environments for single girder overhead cranes?

Single girder overhead cranes are widely used in various industrial settings such as plants, warehouses, material stock grounds, and other similar environments. They are ideal for general material handling tasks, including lifting goods in manufacturing workshops, tube convey plants, storage warehouses, and parts maintenance areas. However, these cranes are prohibited from use in explosive, combustible, or corrosive environments, as they require specialized designs for such hazardous conditions.

What are the specifications and capacities of single girder overhead cranes?

Single girder overhead cranes typically have a lifting capacity ranging from 1 ton to 20 tons. The lifting height can vary from 6 meters to 30 meters, and the crane span can range from 7.5 meters to 28.5 meters. These cranes usually operate under working classes A3 or A4, which define their duty cycles and load handling frequencies. The speed of the crane can vary, with lifting speeds often around 8 meters per minute and cross-travel speeds around 20-30 meters per minute.

How do single girder overhead cranes compare to double girder overhead cranes?

Single girder overhead cranes are simpler and more cost-effective, making them suitable for lighter loads and shorter spans. They feature a single horizontal beam and are ideal for tasks that require precision, such as in automobile manufacturing, metalworking, and assembly lines. In contrast, double girder overhead cranes are designed to handle heavier loads and longer spans, with two horizontal girders providing greater strength and stability. Double girder cranes are commonly used in heavy industries like steel production and shipbuilding, where higher load capacities and robust construction are necessary.

What maintenance and safety considerations are important for single girder overhead cranes?

Single girder overhead cranes require regular maintenance to ensure safe and efficient operation. This includes checking the crane’s structural integrity, the condition of the hoist and trolley, and the electrical systems. The cranes are designed with safety in mind, featuring compact designs that minimize stress on the rail and reduce energy consumption. Operators should be professionally trained, and the cranes should be inspected regularly to ensure they meet safety standards. Additionally, spare parts should be readily available to minimize downtime in case of repairs. The cranes’ epoxy zinc-rich painting and high-strength bolts also contribute to their long lifespan and reliable performance.