In the heart of China’s industrial landscape, overhead cranes stand as indispensable pillars, revolutionizing the way heavy materials are lifted, moved, and positioned. These sophisticated machines are the backbone of various industries, from steel plants and power stations to construction sites and manufacturing facilities. An in-depth guide to overhead crane beam charts in China is more than just a technical manual; it is a comprehensive roadmap to understanding the intricacies of these powerful tools.

This guide will delve into the world of double girder and single girder overhead cranes, explaining their capacities, spans, lifting heights, and operational speeds. Readers will gain insights into the different types of overhead cranes, such as the LH Model double girder crane and the LD model single girder crane, and how they cater to various industrial needs. You will learn about the critical specifications, including work duty classifications, control methods, and the advanced technologies like variable frequency drives that enhance their efficiency.

Whether you are an industry professional seeking to optimize your production

Chinese Standard Single Girder Overhead Crane

Chinese Standard Single Girder Overhead Crane Guide

Introduction

A Chinese Standard Single Girder Overhead Crane is a versatile and widely used lifting solution in various industrial settings. This guide provides a comprehensive overview of its structure, specifications, and applications.

Structure and Components

Main Girder

• The single girder overhead crane consists of one girder beam supported on each side by end trucks. This design is often referred to as a single beam bridge crane or single girder overhead travelling crane[3].

Electric Hoist

• The electric hoist, which can be either an electric wire rope hoist or an electric chain hoist, runs on the bottom flange of the main girder. This underhung design is typical for single girder cranes[3].

End Trucks

• End trucks are the wheeled carriages at each end of the girder that move along the runway beams, allowing the crane to travel.

Control Systems

• Control methods include remote control and pendant control, offering flexibility in operation[3].

Specifications

Capacity

• The lifting capacity of single girder overhead cranes ranges from 0.5 tons to 20 tons, with some models extending up to 32 tons[3].

Span

• The span of these cranes can vary from 6 meters to 31.5 meters, accommodating different workspace requirements[1][3][4].

Lifting Height

• Lifting heights can range from 3 meters to 60 meters, depending on the specific model and configuration[1][3][4].

Lifting Speed

• Lifting speeds typically range from 0.8 m/min to 8 m/min, with some models offering dual-speed options (e.g., 0.8/8 m/min)[1][3][4].

Trolley and Crane Speed

• Trolley speeds and crane travelling speeds are usually around 20 m/min, with some models offering speeds up to 30 m/min[1][3][4].

Work Duty

• The work duty classification for single girder overhead cranes often includes A3, A4, and A5, indicating the frequency and severity of use[1][3][4].

Types of Single Girder Overhead Cranes

LD Model Single Girder Overhead Crane

• This is a universal design crane, commonly used in warehouses, factories, and other industrial settings. It features a single girder beam and can be equipped with CD/MD hoists[3].

HD European Type Single Girder Overhead Crane

• Designed according to European standards, these cranes have higher work duty classifications (A5) and are known for their robust construction and reliability. They often feature advanced control systems and variable frequency drives[1][4].

LX Single Girder Suspension Crane

• This type is used in settings where the crane needs to be suspended from the ceiling rather than supported by end trucks on the floor. It has a similar capacity range but is designed for specific overhead space constraints[1].

Applications

Industrial Settings

• Single girder overhead cranes are widely used in various industries, including steel plants, oil industries, plastic plants, cement plants, power plants, mines, food industries, chemical industries, and more[3].

Manufacturing and Maintenance

• These cranes are essential for manufacturing and maintenance tasks due to their versatility and reliability. They can be used in pre-engineered steel buildings, car/truck industries, transport companies, construction companies, and electrical companies[3].

Advantages

Cost-Effectiveness

• Single girder overhead cranes are generally less expensive compared to double girder cranes due to reduced freight expenses, faster installation, simpler hoist and trolley design, and lighter runway beams[3].

Ease of Installation and Maintenance

• The simpler design of single girder cranes makes them easier to install and maintain, reducing downtime and operational costs[3].

Safety Features

Electrical Parts and Motors

• Cranes are equipped with high-quality electrical parts from brands like CHINT or Schneider, and motors from reputable manufacturers such as China Nanjing brand[3].

Bearings and Hooks

• They use reliable bearings from famous Chinese brands like “HRB” and forged hooks with safety locks to ensure secure lifting operations[3].

Conclusion

Chinese Standard Single Girder Overhead Cranes are highly versatile and efficient lifting solutions suitable for a wide range of industrial applications. Their varied specifications, robust construction, and cost-effectiveness make them a preferred choice for many industries. Understanding the structure, specifications, and applications of these cranes can help in selecting the right model for specific needs.

China EOT Cranes Manufacturer Tavol Brand Double …

Guide to Tavol Brand Double Beam Bridge Cranes

Introduction

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 precise movement. Here is a comprehensive guide to these cranes, covering their structure, specifications, features, and applications.

Structure and Components

Double Girder Bridge Crane Structure

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

Key Components

• Main Beam: The primary structural element of the crane.
• End Carriage: Supports the main beam and allows the crane to travel along the runway.
• Hoist or Winch: The lifting mechanism fitted on the trolley frame.
• Electric Power Transmission Device: Ensures efficient power distribution.
• Operation Room: Optional, for cabin control[1][3].

Specifications

Capacity and Span

• Load Capacity: Ranges from 3 tons to 200 tons, including combinations like 20/5 tons and 32/5 tons[1][3][5].
• Span: Can be customized from 6 meters to 42 meters, with some models offering cantilever options[1][3][5].

Lifting Height and Work Duty

• Lifting Height: Varies from 3 meters to 60 meters.
• Work Duty: Classified as A4/M4, A5/M5, A6/M6, A7/M7, depending on the model and application[1][3][5].

Control and Electrical Systems

• Control Method: Remote control or cabin control.
• Electrical Parts: High-quality brands such as CHINT or Schneider.
• Motors: Chinese famous brands or international brands like Boneng.
• Bearings: Chinese famous brand “HRB”[1][3][5].

Speed and Performance

• Lift Speed: 0-8 meters/minute or 0-10 meters/minute for heavier models.
• Cross Travel Speed: 0-20 meters/minute or 0-30 meters/minute.
• Long Travel Speed: 0-20 meters/minute or 0-30 meters/minute for heavier models.
• Variable Frequency Drives: Optional for smooth operation[1][3][5].

Features and Benefits

Cost Efficiency

• Reduced Plant and Workshop Costs: Designed to minimize the cost of building and maintaining the plant and workshop[1].

Production Efficiency

• Improved Production Efficiency: Enhances productivity by providing reliable and efficient lifting solutions[1].

Versatility and Adaptability

• Suitable for Different Operating Conditions: Can be customized to fit various working environments and provide one-stop solutions[1].

Maintenance

• Reduced Daily Maintenance: Designed for easy maintenance, reducing downtime and maintenance costs[1].

Safety and Performance

• High Safety Standards: Equipped with forged hooks with safety locks and other safety features to ensure high performance and safety[1][3].

Applications

Industrial Uses

• Steel Plants: For handling heavy steel products.
• Cement Plants: For loading and unloading cement.
• Power Plants: For maintenance and assembly tasks.
• Mine Industry: For heavy-duty lifting in mining operations.
• Food Industry: For material handling in food processing plants.
• Chemical Industry: For safe handling of chemical materials.
• Shipyards: For lifting heavy ship components.
• Construction and Transport Companies: For various construction and transport needs[1][3][5].

Other Applications

• Pre-Engineered Steel Buildings: For assembly and installation.
• Machine Tools and Car/Truck Industry: For manufacturing and assembly.
• Warehouses and Goods Yards: For material handling and storage[1][3].

Packaging and Shipping

Packaging

• Electric Parts: Packed in high-quality plywood crates to prevent damage.
• Main Beams and End Beams: Packed in plastic woven cloth to reduce abrasion.
• Whole Set: Shipped by container or bulk to ensure safe transportation[1][3][5].

After-Sales Service

Warranty and Support

• Warranty: Typically 1-2 years, depending on the model.
• After-Sales Service: Engineers available for overseas service, installation videos, and free spare parts within the warranty period[2][5].

Installation and Operation Manuals

• Installation Manual: Provided to assist in the installation process.
• Operation Manual: Detailed instructions for safe and efficient operation.
• 24/7 Online Service: Available for any queries or issues[5].

This guide provides a detailed overview of Tavol Brand Double Beam Bridge Cranes, highlighting their structure, specifications, features, and wide range of applications. These cranes are designed to meet the heavy-duty lifting needs of various industries while ensuring safety, efficiency, and cost-effectiveness.

1 Ton to 50 Ton Overhead Cranes in China, Types …

Guide to Overhead Cranes: Types and Specifications

Introduction to Overhead Cranes

Overhead cranes are essential components in various industrial settings, including factories, warehouses, and workshops. They are designed to facilitate the efficient and safe movement of heavy loads within a workspace. Here is a comprehensive guide to the types and specifications of overhead cranes.

Types of Overhead Cranes

Single Girder Overhead Cranes

Definition and Structure

Single girder overhead cranes are characterized by a single beam or girder that supports the load. This type of crane is typically lighter and has a lower load capacity compared to double girder cranes.

Specifications

• Capacity: Generally up to 15 tons, though some models can handle up to 20 tons[2][4][5].
• Span: Ranges from 7.5 to 31.5 meters or 10 to 100+ feet[2][4][5].
• Lifting Height: Typically from 6 to 30 meters[1][2].
• Lifting Speed: Varies from 0.8 to 5 meters per minute[2].
• Trolley Speed: Usually between 2 to 20 meters per minute[2].
• Crane Speed: Can range from 3 to 30 meters per minute[2].

Advantages

• Lighter and more cost-effective.
• Easier installation and maintenance.
• Suitable for applications where headroom is not a critical issue[4].

Double Girder Overhead Cranes

Definition and Structure

Double girder overhead cranes use two girders as the bridge structure, providing greater lifting capacity and longer spans compared to single girder cranes.

Specifications

• Capacity: Ranges from 5 to 450 tons, depending on the model[1][2][5].
• Span: Typically from 10.5 to 31.5 meters or 10 to 100+ feet[1][2][5].
• Lifting Height: Generally from 6 to 24 meters, with some models offering up to 30 meters[1][2].
• Lifting Speed: Varies from 2.1 to 11.5 meters per minute[2].
• Trolley Speed: Usually between 27 to 40 meters per minute[2].
• Crane Speed: Can range from 42 to 75 meters per minute[2].

Advantages

• Higher lifting capacities and longer spans.
• Increased headroom due to the hoist being positioned between the two girders.
• Suitable for heavy-duty applications[1][4][5].

Top Running and Under Running Cranes

Top Running Cranes

• Mounting: Mounted on top of the runway beams, which can be part of the building structure or a freestanding system[4][5].
• Advantages: Greater lifting height and easier installation and maintenance[4].

Under Running Cranes

• Mounting: Mounted on the bottom flange of the runway beams.
• Advantages: Suitable for applications with limited headroom, though it offers less lifting height compared to top running cranes[4][5].

Box Girder Cranes

Definition and Structure

Box girder cranes have a bridge structure made of a hollow box, which provides additional strength and stability.

Specifications

• Capacity: Can handle capacities from 5 tons and greater, with some designs capable of much higher loads[4].
• Span: Ranges from 50 to 100+ feet[4].
• Key Benefits: Free-standing, space-saving, highest hook height, and capacity. Ideal for long spans and heavy loads[4].

Jib Cranes

Definition and Structure

Jib cranes have a boom arm that supports a moving hoist and are often used in areas with limited space.

Specifications

• Capacity: Up to 5 tons[4][5].
• Mount: Free-standing or wall-mounted[4][5].
• Key Benefits: Maximizes floor space, up to 360-degree rotation, and efficient for short-distance lifts[4][5].

Gantry Cranes

Definition and Structure

Gantry cranes are overhead cranes supported by legs that run on rails or wheels, allowing them to move independently of the building structure.

Specifications

• Capacity: Can range from small to very large capacities, with the largest gantry cranes capable of lifting massive loads[5].
• Key Benefits: Can be used in areas where the building cannot support the crane’s weight, and they provide flexibility in movement[5].

Monorail Cranes

Definition and Structure

Monorail cranes consist of a hoist that moves along a single rail or beam, typically used for lifting and moving loads in a linear path.

Specifications

• Capacity: Varies depending on the application.
• Key Benefits: Efficient for tasks that require vertical lifting and lowering without side-to-side movement[5].

Work Class and Duty

Overhead cranes are classified into different work classes based on their usage and duty cycles.
– Work Class: Ranges from A3 to A7, indicating the crane’s usage from light to heavy-duty applications[1][2].
– Duty Cycle: Defines the frequency and duration of the crane’s operation, influencing the crane’s design and components.

Environmental Considerations

• Temperature: Overhead cranes can operate in a wide range of temperatures, typically from -20 to +40 degrees Celsius. Specialized cranes, such as those for casting applications, can operate up to +60 degrees Celsius[2].
• Other Conditions: Cranes can be customized to operate in various environmental conditions, including explosive environments with explosion-proof designs.

Customization and Installation

• Customized Service: Many manufacturers offer customized crane designs and specifications to meet specific user requirements, including adjustments in span, lifting height, and capacity[1][2].
• Installation: The installation process involves careful planning, including the preparation of the runway beams, the installation of the crane itself, and the necessary testing and commissioning to ensure safe and efficient operation[2].

Conclusion

Choosing the right overhead crane involves a thorough understanding of the types, specifications, and applications of these cranes. By considering factors such as capacity, span, lifting height, and work class, users can select a crane that optimally meets their operational needs and enhances productivity and safety in their workspace.

Single girder crane beam chart

Since the provided websites and documents do not include the specific content from https://www.craneyt.com/single-girder-crane-beam-chart.html, I will create a comprehensive guide based on the general information available from the other sources.

Single Girder Crane Beam Chart Guide

Introduction

A single girder crane beam chart is a critical tool for determining the appropriate beam sizes and configurations for overhead cranes. This guide will cover the key aspects of selecting and designing single girder crane beams.

Beam Calculation and Design

Factors Influencing Beam Size

The size and strength of the beam are determined by several factors:
– Load Capacity: The weight of the load to be lifted, including the trolley and hoist system.
– Span Length: The distance between the supports of the beam.
– Material Properties: The type of steel used, such as ASTM A36, A572, or A992, which affects the beam’s strength and durability.
– Allowable Stress and Deflection: The maximum stress the beam can withstand and the allowable deflection to ensure safe operation[3].

Calculation Methodology

The calculation involves:
– Maximum Bending Moment: Calculated by multiplying the weight of the load by the distance between the supports and dividing by 8.
– Allowable Stress: The maximum stress the beam can withstand without deforming or breaking.
– Modulus of Elasticity: A measure of the beam’s ability to withstand deformation under stress[3].

Beam Types and Materials

Standard Shape Beams

• S Beams (American Standard Beams): Used for lighter loads and shorter spans.
• W Beams (Wide Flange Beams): Used for heavier loads and longer spans due to their higher strength and stability[1][2][4].

Combination Sections

• S Beam or W Beam with a Channel Cap: These combinations can be used to enhance the beam’s strength and stability for specific applications[1][2].

Materials

• ASTM A36: General-purpose carbon structural steel.
• ASTM A572: High-strength low-alloy steel, often used for W-shapes.
• ASTM A992: High-strength low-alloy steel, often used for S-shapes[1][2][5].

Using the Beam Chart

Chart Components

A typical beam chart includes:
– Load Capacities: Ranges from fractions of a ton to several tons (e.g., 1/8 to 10 tons).
– Span Lengths: Usually in 5-foot increments (e.g., 10 ft to 60 ft).
– Beam Sizes: Listed in terms of standard beam designations (e.g., S8x18.4, W18x71).
– Material Specifications: Indicates the type of steel used[1][2].

Application Considerations

• Indoor Use: No wind load is considered for indoor cranes.
• Custom Fabrication: For long spans or heavy loads, custom box girders or fabricated beams may be required[1][2].

Beam Sizing and Selection

Step-by-Step Process

1. Determine Load Capacity: Calculate the total weight of the load, trolley, and hoist system.
2. Measure Span Length: Determine the distance between the supports.
3. Select Beam Type: Choose between S beams, W beams, or combination sections based on load and span.
4. Refer to Beam Chart: Use the chart to find the appropriate beam size for the given load capacity and span.
5. Consider Material: Ensure the selected beam is made from the appropriate material (ASTM A36, A572, or A992)[1][2][3].

Additional Considerations

Trolley and Hoist Compatibility

Ensure the selected beam is compatible with the trolley and hoist system, considering factors such as wheel size and travel distance[3].

Safety and Compliance

• Standards and Specifications: Ensure compliance with standards such as ASTM A6/A6M, CMAA Specification #74, and AISE Technical Report No. 6[1][2][4].

Conclusion

Selecting the right single girder crane beam is crucial for the safe and efficient operation of an overhead crane. By understanding the factors that influence beam size, using the appropriate beam chart, and considering material and application specifics, you can ensure that your crane system meets all necessary standards and requirements. Always consult with engineering professionals if custom or complex beam designs are needed.

European Design Single Beam Bridge Crane …

European Design Single Beam Bridge Crane: A Comprehensive Guide

Introduction

European design single beam bridge cranes, also known as single girder overhead cranes, are advanced material handling solutions that incorporate the latest in European technology and design standards. These cranes are optimized for efficiency, safety, and cost-effectiveness, making them a preferred choice in various industrial settings.

Key Features and Advantages

Compact and Lightweight Structure

• These cranes are designed with a compact and lightweight structure, utilizing high-strength materials that reduce the total weight while maintaining or even increasing the carrying capacity[4][5].
• The compact design saves space and reduces the initial construction costs, as it requires less steel material and lighter runway systems[3][5].

Energy Efficiency

• European design single girder overhead cranes are known for their low energy consumption. They use variable frequency control, which not only makes the crane travel smoothly but also reduces power costs[1][2][4].

Safety Devices and Protection

• These cranes are equipped with multiple safety devices, including:
• Crane traveling limit switch
• Weight overload protection device
• Lifting height limit device
• Voltage lower protection function
• Emergency stop function
• Phase sequence protection function
• Overload warning, secondary class anti-clamp, sound and light alarm devices, and circuit self-check protector[1][2][5].

Operational Flexibility

• The cranes offer various operational methods such as pendent control, remote control, and cabin control, providing flexibility and ease of use. Ground operation or crane control is simple and does not require a professional crane operator[5].

High Performance and Reliability

• The lifting mechanism often uses European-style ND steel wire rope electric hoists or NDS type hoists, which are known for their simple structure, high performance, low clearance, and long service life[1][4].
• The cranes are designed to meet European FEM, DIN, and ISO standards, ensuring high reliability and durability[1][4][5].

Technical Specifications

Lifting Capacity

• The lifting capacity of these cranes ranges from 1 ton to 20 tons, catering to both light and medium duty material handling needs[3][4][5].

Span and Lifting Height

• The span of the crane can vary from 6 to 31.5 meters, and the lifting height can range from 3 to 100 meters, depending on the specific design and requirements[2][3][4].

Power Supply

• The power supply typically is 3-phase 380V 50Hz, but can be customized according to the user’s requirements[1][2][4].

Working Class

• The working class of these cranes can reach up to A5/M5 under ISO standards, indicating high-duty performance[4][5].

Applications

European design single girder overhead cranes are widely applicable in various industries, including:
– Machinery manufacture
– Warehouses and logistics
– Food and paper industries
– Electronics and chemical industries
– Steel plants and oil industries
– Power plants and mine industries
– Construction and transportation companies
– Shipyards and stone yards[2][4][5].

Installation and Maintenance

• These cranes are designed for easy installation and maintenance. Manufacturers often provide senior engineers for on-site installation guidance and training[1][4].
• The use of high-quality components reduces the failure rate and maintenance costs, ensuring smooth and continuous operation[1].

Customization Options

• European design single girder overhead cranes can be customized to meet specific operational needs. This includes flexibility in load capacity, span, lifting height, and other specifications to ensure optimal performance and safety in diverse industrial environments[3][4][5].

Safety Considerations

• It is crucial to ensure that these cranes are not used in hazardous environments such as combustible, explosive, or corrosive settings without proper modifications. Explosion-proof or acid-proof versions can be customized for such environments[1][5].

Conclusion

European design single beam bridge cranes offer a blend of advanced technology, safety, and efficiency, making them an ideal choice for various industrial applications. Their compact design, energy efficiency, and high performance ensure that they meet the demands of modern material handling while providing long-term reliability and cost savings.

Single Girder Overhead Crane

Single Girder Overhead Cranes: A Comprehensive Guide

Introduction

Single girder overhead cranes are a versatile and cost-effective solution for various industrial and commercial applications. These cranes are designed to handle light to medium-duty lifting tasks, making them ideal for facilities with limited headroom and 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.
• The bridge runs between two or more overhead runways built into the building’s support structure[3][4].

Trolley and Hoist

• The trolley and hoist are typically underhung, meaning they run on the bottom flange of the bridge. This design is common in single girder cranes[1][3][4].

Top Running and Under Running Designs

• Single girder cranes can be either top running or under running in design. Top running cranes provide more overhead room and greater hook height, while under running cranes are suitable for facilities with very low headroom[1][2][3].

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[1][3][4].

Space Efficiency

• These cranes are ideal for facilities with limited headroom and floor space. They offer better hook approach for both trolley and bridge travel, maximizing the use of vertical space[1][3][4].

Lightweight and Low Deadweight

• Single girder cranes are lighter and have less deadweight, which allows them to utilize lighter runway systems and often tie into the existing building support structure without additional support columns[1][3].

Ease of Installation, Service, and Maintenance

• The straightforward design of single girder cranes makes them easier to install, service, and maintain compared to double girder cranes[1][3][4].

Industry Applications

• Single girder overhead cranes are widely used in manufacturing, warehousing, construction, automotive, and shipbuilding industries for moving raw materials, machinery, and finished products[4].

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[1][2][3].

Limited Customization

• Incorporating specialized features such as service walkways, enclosed or exposed operator cabs, and magnet cable reels can be difficult or expensive in single girder crane designs[1][2].

Safety Considerations

Regular Inspections and Maintenance

• Conduct routine inspections and maintenance to identify and address any potential issues before they become safety hazards[4].

Operator Training

• Provide comprehensive training for crane operators to ensure they understand how to safely operate the equipment and respond to emergencies[4].

Load Capacity Adherence

• Never exceed the crane’s rated load capacity to avoid structural damage or accidents[4].

Proper Rigging

• Use appropriate slings, shackles, and other rigging equipment to securely attach the load to the crane[4].

Clear Communication

• Establish clear communication protocols between the crane operator and ground personnel to coordinate movements and avoid accidents[4].

Choosing Between Single Girder and Double Girder Cranes

Application Needs

• If lifting height is not a concern and loads are light to medium weight, a single girder design may be the best option. For applications requiring lifts over 15 tons or greater hook height, a double girder crane is more suitable[1][2][3].

Installation and Maintenance

• Consider the ease of installation and maintenance when deciding between single and double girder cranes. Single girder cranes are generally easier to install and maintain[3].

By understanding the design, advantages, and limitations of single girder overhead cranes, businesses can make informed decisions to optimize their lifting operations and improve overall efficiency.

Single Girder Overhead Cranes from China Manufacturer

Single Girder Overhead Cranes: A Comprehensive Guide

Introduction

Single girder overhead cranes are a common and versatile solution for light to medium-duty material handling in various industrial settings. Here is a detailed guide outlining their key features, specifications, and applications.

Key Features of Single Girder Overhead Cranes

Design and Construction

• Single girder overhead cranes are characterized by their compact design and low self-weight, making them ideal for spaces with limited headroom[1][4][5].
• The girder is typically welded using high-strength materials such as S355, following international welding specifications like ISO 15614 and AWS D14.1[1].

Lifting Capacity and Span

• These cranes have a lifting capacity ranging from 1 to 25 tons, depending on the model and manufacturer[2][4][5].
• The span of single girder overhead cranes can vary from 3 to 35 meters, catering to different workshop and warehouse layouts[2][4][5].

Lifting Height and Speed

• The lifting height can range from 3 to 30 meters, with some models offering up to 100 meters[2][3][5].
• Lifting speeds are typically dual-speed, ranging from 0.8 to 8 meters per minute, depending on the specific model and application[2][4][5].

Trolley and Crane Travel Speed

• Trolley traveling speeds usually range from 2 to 30 meters per minute, and crane traveling speeds can be from 3 to 30 meters per minute, often controlled by Variable Frequency Drives (VFD) for smooth operation[2][4][5].

Control Methods

• Control methods include ground control, remote control, and cab control, offering flexibility in operation[2][3][4].

Power Supply and Protection Grade

• These cranes typically operate on a 380V 50Hz 3-phase power supply, but customized power supplies are also available[2][5].
• The protection grade of the electrical components is usually IP54 to IP65, ensuring durability and safety in various environments[2].

Technical Parameters

General Specifications

Parameter	Range/Value
Capacity	1-25 tons
Span	3-35 meters
Lifting Height	3-30 meters
Lifting Speed	0.8-8 m/min (dual speed)
Trolley Speed	2-30 m/min
Crane Speed	3-30 m/min
Control Method	Ground, Remote, Cab Control
Power Supply	380V 50Hz 3-phase
Protection Grade	IP54-IP65

End Carriage and Wheels

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

Hoist and Motor

• The cranes can be equipped with low headroom hoists or standard room hoists, depending on the application[1][2][5].
• The motors are typically branded gear motors with features such as IP55 protection, F insulation class, IE3 energy efficiency, overheat protection, manual release bar, and electromagnetic brake. These motors are controlled by inverters for smooth running[1].

Track and Rail

• The track types vary, including P18, P24, P30, and P38, depending on the capacity and span of the crane[2][3][4].

Applications and Custom Designs

Workshop and Warehouse Use

• Single girder overhead cranes are widely used in workshops and warehouses for light to medium-duty material handling due to their compact design and ease of installation and maintenance[1][4][5].

Custom Designs

• Many manufacturers offer custom designs to meet specific workshop or warehouse requirements, including different types of end carriages, hoists, and control systems[1][4][5].

Maintenance and Safety

Surface Treatment and Painting

• The surfaces of single girder overhead cranes are often pre-treated by blasting according to ISO8501-1 and painted with a C3-C5 painting system according to ISO 12944-5 to ensure corrosion resistance[1].

Regular Maintenance

• Regular maintenance is crucial to ensure the longevity and safe operation of the crane. This includes checking the electrical systems, lubricating moving parts, and inspecting the structural integrity of the crane[1].

Conclusion

Single girder overhead cranes offer a reliable and efficient solution for material handling in various industrial settings. Their compact design, customizable features, and adherence to international standards make them a versatile choice for different applications. Understanding the key features, specifications, and maintenance requirements is essential for optimal use and safety.

LD Type Single Girder EOT 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 light to medium-duty applications. Here is a comprehensive guide to help you understand the components, advantages, disadvantages, and applications of single girder overhead cranes.

Components of a Single Girder Overhead Crane

Bridge

• The bridge of a single girder crane consists of one girder beam that spans the width of the crane bay.
• This girder beam is supported on each side by an end truck, which rides on wheels along the runway or beam[1][3][5].

Trolley and Hoist

• The trolley and hoist are typically underhung, meaning they run on the bottom flange of the bridge girder.
• This design allows for better hook approach for both trolley and bridge travel[1][3][5].

Runway System

• The runway system consists of two or more overhead runways built into the building’s support structure.
• The bridge girder moves along these runways, enabling the crane to cover the entire area of the crane bay[1][3].

Advantages of Single Girder Overhead Cranes

Cost-Effectiveness

• Single girder cranes are less expensive due to a simpler trolley design, reduced freight costs, and less material required for the bridge and runway beams.
• They offer significant cost savings in material, freight, and installation[1][3][4].

Space Efficiency

• These cranes are ideal for facilities with limited headroom and floor space.
• The low deadweight of single girder cranes allows them to utilize lighter runway systems and tie into existing building support structures without additional support columns[1][3][4].

Ease of Installation and Maintenance

• Single girder cranes have a straightforward design, making them easier to install, service, and maintain compared to double girder cranes.
• They require less maintenance, which further reduces operational costs[1][3][4].

Better Hook Approach

• Single girder cranes offer better hook approach for both trolley travel and bridge travel, enhancing the overall efficiency of the lifting operation[1][3].

Disadvantages of Single Girder Overhead Cranes

Capacity and Span Limitations

• Single girder cranes have limitations in terms of capacity and span. They are typically rated for loads up to 15 tons and spans up to 65 feet.
• For heavier loads or larger spans, a double girder crane may be necessary[1][2][3].

Limited Customization

• Incorporating specialized features such as service walkways, enclosed or exposed operator cabs, and magnet cable reels can be difficult or expensive with single girder cranes[1][2].

Hook Height

• Single girder cranes generally offer less hook height compared to double girder cranes, as the hoist is hung below the girder beam[1][2][3].

Applications of Single Girder Overhead Cranes

Manufacturing

• Single girder cranes are widely used in manufacturing facilities for moving raw materials, machinery, and finished products[4].

Warehousing

• They are used in warehouses for loading and unloading goods from trucks, ships, and storage areas[4].

Construction

• In construction, single girder cranes are used for lifting and transporting heavy construction materials such as steel, concrete, and pre-fabricated sections[4].

Automotive

• In the automotive industry, these cranes handle engine blocks, body panels, and other components during assembly and maintenance[4].

Workshops and Material Yards

• Single girder cranes are ideal for workshops, material yards, and other facilities where light to medium-duty lifting is required[1][3].

Safety Considerations

Regular Inspections and Maintenance

• Conduct routine inspections and maintenance to identify and address any potential issues before they become safety hazards[4].

Operator Training

• Provide comprehensive training for crane operators to ensure they understand how to safely operate the equipment and respond to emergencies[4].

Load Capacity Adherence

• Never exceed the crane’s rated load capacity to avoid structural damage or accidents[4].

Proper Rigging

• Use appropriate slings, shackles, and other rigging equipment to securely attach the load to the crane[4].

Clear Communication

• Establish clear communication protocols between the crane operator and ground personnel to coordinate movements and avoid accidents[4].

Conclusion

Single girder overhead cranes are a reliable and cost-effective solution for light to medium-duty lifting applications. Their advantages in terms of cost, space efficiency, and ease of maintenance make them a popular choice across various industries. However, it is crucial to consider their limitations and ensure proper safety measures are in place to optimize their performance and safety.

Single Girder Overhead Crane Kit

Guide to Eurocrane Group’s Crane Kits

Introduction

Eurocrane Group’s crane kits are designed to offer quality, efficiency, and reliability, making them a versatile solution for various industrial needs. Here is a comprehensive guide to their overhead crane kits.

Key Features of Eurocrane Kits

Design and Construction

• Eurocrane kits are engineered to handle heavy loads efficiently.
• They are built with a focus on durability and performance, ensuring long-term reliability.
• The kits often include components such as hoist ropes, wire ropes, or chains, and sheaves, which facilitate both lifting and horizontal movement of materials[4].

Types of Cranes

• Overhead Cranes: These are the primary focus of Eurocrane kits. They are suitable for a wide range of industrial applications, including manufacturing, maintenance, and material handling.
• Bridge Cranes: Part of the overhead crane category, these are designed for heavy-duty lifting and moving loads within a factory or warehouse setting.
• Other Crane Types: Eurocrane also offers other types of cranes, such as gantry cranes, jib cranes, and KBK cranes, each tailored to specific industrial needs[5].

Technical Specifications

Structural Components

• Main Girder: Often made from square box H-shaped steel, ensuring strength and stability. The main girder is designed to be compact and lightweight, reducing the overall dead weight of the crane[1].
• End Carriages: These are typically welded or shaped from rectangular steel pipes or plates. They are machined to precise dimensions to ensure smooth operation and are equipped with double flange wheels, buffers, and derailment protection devices[1].

Lifting Mechanisms

• Hoisting Systems: Eurocrane kits can be equipped with variable frequency drives for stepless speed control in hoisting, cross travel, and long travel. This ensures precise and smooth operation[2].
• Wire Rope Hoists: These are commonly used for light to medium lifting tasks and are designed to meet European standard design concepts, ensuring high efficiency and reliability[3].

Control Systems

• Control Options: Eurocrane kits offer various control options, including pendant control from the floor, master control switches, and master controllers in the driver’s cabin. Radio remote control is also available for applications in inaccessible or hazardous areas[2].
• Electrical Panels: The electrical panels are designed with modular architecture, ensuring ease of installation and maintenance. They feature fuseless circuitry, ducted wiring, and non-screwed terminals, along with motor overload protection devices[2].

Safety Features

Braking Systems

• Eurocrane kits are equipped with failsafe magnetic or hydraulic brakes that provide 150% torque or more. For heavy-duty cranes, a second brake can be installed to ensure failsafe operation[2].

Safety Guarantees

• The cranes are designed with multiple safety features, including atomic shutdown in case of impact and three-level safety guarantees. This ensures the highest level of safety during operation[1].

Applications

Industrial Uses

• Eurocrane kits are widely applicable in various industries, including pre-engineered steel buildings, steel plants, oil industries, plastic plants, cement plants, power plants, mine industries, food industries, chemical industries, cable plants, machine tool industries, car/truck industries, transport companies, construction companies, electrical companies, and shipyards[3].

Warehouse and Manufacturing

• These cranes are particularly useful in warehouse and manufacturing settings where efficient material handling is crucial. They help in lowering initial construction costs, increasing productivity, and reducing daily maintenance efforts and energy consumption[3].

Benefits

Cost Savings

• The lightweight and compact design of Eurocrane kits allows for smaller plant designs, reducing initial construction investment and long-term costs such as heating, air conditioning, and maintenance[1][3].

Efficiency and Productivity

• The high-performance efficiency of these cranes, combined with their smooth operation and precise control systems, enhances productivity and reduces operational efforts[3].

Reliability and Durability

• Eurocrane kits are built to last, ensuring reliable operation over an extended period. The use of high-quality materials and rigorous testing procedures guarantees durability and minimal downtime[4].

Conclusion

Eurocrane Group’s crane kits are a robust and efficient solution for industrial material handling needs. With their advanced design, safety features, and wide range of applications, these kits offer significant benefits in terms of cost savings, efficiency, and reliability. Whether for heavy-duty lifting or precise material handling, Eurocrane kits are a reliable choice for various industrial settings.

10 ton Overhead Crane

Given that the provided websites do not include the specific URL you mentioned, the following guide is compiled from similar sources that provide detailed information on 10-ton overhead cranes.

Guide to 10-Ton Overhead Cranes

Overview

Overhead cranes, particularly those with a 10-ton capacity, are crucial pieces of equipment in various industrial settings, including manufacturing plants, warehouses, and construction sites. These cranes are designed to handle heavy loads efficiently and safely.

Technical Specifications

Lifting Capacity

• The primary specification of a 10-ton overhead crane is its lifting capacity, which is 10 tons[2][3][5].

Span

• The span of a 10-ton overhead crane can vary widely, typically ranging from 7.5 meters to 31.5 meters. This flexibility allows the crane to be adapted to different workspace sizes[2][3][5].

Lifting Height

• The lifting height of these cranes generally ranges from 6 meters to 30 meters, depending on the model and application. Some cranes may have fixed lifting heights, while others can be adjusted[2][3][5].

Speeds

• Lifting Speed: Typically ranges from 0.8 m/min to 8 m/min, with some models offering dual-speed options (e.g., 0.8/8 m/min)[2][3][5].
• Trolley Speed: Usually around 20 m/min, but can range from 2 m/min to 30 m/min[2][3][5].
• Crane Speed: Generally ranges from 3 m/min to 30 m/min[2][3][5].

Control and Operation

• Control methods can include ground operation or cab control. Some cranes may also offer remote control options[2][3].
• The power supply typically requires 380V 50HZ 3-phase power, but can be customized based on the user’s requirements[2].

Motors and Power

• Lifting Motor: Usually around 13 kW for a 10-ton single girder crane[2][3].
• Trolley Motor: Typically around 0.8 kW[2][3].

Dimensions and Weight

• Total Weight: Varies with the span, but generally ranges from 3.26 tons to 14.05 tons[2][3].
• Max Wheel Load: Important for structural integrity, typically ranging from 51.3 kN to 85.4 kN depending on the span[2][3].

Track and Rail

• The track type is often P24, but can vary based on the crane model and span (e.g., P18, P30, P38)[2][3][5].

Types of Overhead Cranes

Single Girder Overhead Cranes

• These are the most common type for 10-ton capacities. They feature a single girder beam and are known for their simplicity and cost-effectiveness[2][3][5].
• Specifications:
• Span: 7.5~31.5 meters
• Lifting height: 6~30 meters
• Lifting speed: 0.8/8 m/min
• Trolley speed: 20 m/min
• Crane speed: 20 m/min[2][3][5].

Double Girder Overhead Cranes

• These cranes have two girder beams and are used for heavier loads or when more lifting height is required.
• Specifications:
• Span: 10.5~31.5 meters
• Lifting height: 6~18 meters
• Lifting speed: Varies (e.g., 0.81~8.1 m/min)
• Trolley speed: 37.4 m/min
• Crane speed: 33 m/min[4].

Safety and Maintenance

Work Duty

• Overhead cranes are classified based on their work duty, with A3 to A5 being common for 10-ton cranes. This classification indicates the crane’s usage frequency and load intensity[2][3][5].

Protection Grade

• The protection grade, such as IP44 to IP65, is crucial for ensuring the crane’s electrical components are protected from dust and water, especially in harsh environments[2].

Temperature Range

• Most 10-ton overhead cranes can operate within a temperature range of -20°C to 60°C[2].

Installation and Setup

Main Dimensions

• The main dimensions, including rail top to main top (H1) and rail top to hook centre (H2), are critical for ensuring proper installation and clearance[3].

Wheel Base and Crane Width

• The wheel base and crane width vary with the span and are important for structural integrity and space planning[3].

Conclusion

A 10-ton overhead crane is a versatile and powerful tool for industrial lifting needs. Understanding its technical specifications, types, and operational requirements is essential for safe and efficient use. Proper installation, regular maintenance, and adherence to safety standards are crucial to extend the crane’s lifespan and ensure workplace safety.

Frequently Asked Questions (FAQs)

What are the typical lifting capacities and spans of single girder overhead cranes in China?

Single girder overhead cranes in China are designed to handle a variety of lifting capacities and spans. Typically, these cranes have a lifting capacity that ranges from 1 ton to 20 tons. The span of these cranes can vary from 7.5 meters to 31.5 meters, with some models offering special spans as per specific requirements. For example, the LD model single girder overhead crane commonly used in workshops and warehouses can have spans up to 31.5 meters and lifting heights of 6 to 30 meters[3][4].

What are the key features and advantages of single girder overhead cranes?

Single girder overhead cranes are known for their strong rigidity, light dead weight, and outstanding structure design. These cranes are ideal for low workshop ceilings and high lifting height demands, making them efficient for saving factory space and investment. They are often made with high-strength materials such as Q235B and Q355B steel, and the trolley rail is made of high-strength hot rolled flat steel. Additionally, the epoxy zinc-rich painting ensures a long lifespan and a good appearance. These features make single girder overhead cranes reliable and efficient lifting solutions[2][4].

In what environments can single girder overhead cranes be used, and are there any restrictions?

Single girder overhead cranes are widely used in various industrial settings such as workshops, manufacturing plants, repairing and assembly lines, warehouses, and storage yards. However, they are prohibited from use in environments that are flammable, explosive, or corrosive. This restriction is due to safety considerations and the potential risks associated with operating heavy machinery in hazardous conditions[3][4].

How are the beam sizes and calculations determined for single girder overhead cranes?

The beam sizes and calculations for single girder overhead cranes are determined using specific methodologies and standards. These calculations are based on standards such as ASTM A6/A6M for rolled steel plates and shapes, CMAA Specification #74 for top running and under running single girder electric traveling cranes, and AISE Technical Report No. 6 for electric traveling cranes for steel mill service. These standards ensure that the bridge beams are designed and selected to meet the required structural integrity and safety standards[5].

What are the differences between single girder and double girder overhead cranes in terms of application and design?

Single girder and double girder overhead cranes differ significantly in their application and design. Single girder cranes have the hoist trolley traversing on the lower flange of the girder, which can result in a lower available hook height compared to double girder cranes. Double girder cranes are generally used for very heavy-duty or severe-duty applications, often including open winches with separate split gearcases, heavy-duty motors, and brakes. Double girder cranes also provide space for bridge-mounted footwalks or maintenance platforms, which is not typically practical for single girder designs. Single girder cranes are more suitable for low ceiling heights and where there is insufficient clearance above the runway girders for a double girder crane[5].