Welcome to the comprehensive guide on Electric Overhead Traveling (EOT) cranes in China, a pivotal piece of equipment in the modern industrial landscape. EOT cranes are the backbone of material handling in various sectors, including manufacturing, construction, logistics, and warehouses, enabling the efficient and safe movement of heavy loads.

In this guide, you will delve into the world of EOT cranes, understanding their types, components, and operational principles. From single girder to double girder and underslung cranes, each design caters to specific industrial needs, offering solutions for different load capacities, spans, and operational environments.

You will learn about the latest technological innovations driving the Chinese crane industry, such as intelligence and digitalization, lightweight and energy-saving designs, multifunctional improvements, and the application of high-performance materials. These advancements not only enhance operational efficiency and safety but also contribute to environmental sustainability.

Additionally, this guide will cover the critical aspects of EOT crane selection, installation,

EOT Crane Manufacturer In China – KSCRANE

Guide to Electric Overhead Traveling (EOT) Cranes

What is an EOT Crane?

An EOT crane, or Electric Overhead Traveling crane, is a type of bridge crane widely used in various industrial settings for lifting and shifting heavy loads. These cranes are electrically powered and operate along parallel runways with a traveling bridge that spans the gap between them.

Key Components of EOT Cranes

• Parallel Runways: These are the beams on either side of the workspace that support the traveling bridge.
• Traveling Bridge: This is the beam that spans the gap between the parallel runways and carries the hoist.
• Hoist: Mounted on the traveling bridge, the hoist is responsible for lifting and lowering loads.
• Control Systems: EOT cranes can be operated using a control pendant, radio/IR remote pendant, or an operator cabin attached to the crane[1][2][4].

Types of EOT Cranes

Single Girder EOT Cranes

• Construction: These cranes have a single girder with a trolley and hoist that runs along the axis.
• Features:
• Lighter and easier to install compared to double girder cranes.
• Use a four-wheel arrangement in the long travel end carriage.
• Operated through push-button pendant stations or radio remote control.
• Suitable for handling typical to medium objects and materials.
• Lower weight limits, typically up to 20 tons.
• Often used for short work periods[1][3][5].

Double Girder EOT Cranes

• Construction: These cranes have two girders with two trolleys and hoists that run along the axis of the beams.
• Features:
• Higher load capacity and longer spans compared to single girder cranes.
• More robust and sturdy, often used for heavier loads.
• Eight-wheel arrangement for better distribution of weight.
• Can be operated by push-button pendant, radio remote control, and operating cabin.
• Used for maintenance purposes and in industries requiring heavy lifting, such as transformer, cable, and iron and steel plants[1][4][5].

Applications of EOT Cranes

EOT cranes are versatile and are used in a wide range of industries, including:
– Power Plants
– Transport Industry
– Construction Industry
– Petrochemical Industry
– Chemical Industries
– Steel Plants
– Ceramic Industries
– Dairy Industries
– Foundries
– Textile Industry
– Cement Industry
– Auto Manufacturing
– Marine Manufacturing
– Logistics and Warehouses[1][3][4].

Features and Advantages

• Heavy-Duty Construction: EOT cranes are known for their sturdy construction and heavy-duty cast steel rope guides.
• Low Maintenance: Easy to operate and maintain, with features like upper and lower hook travel limit switches.
• Corrosion-Resistant: Designed to withstand various environmental conditions.
• Efficient Operation: Motors are TEFC (Totally Enclosed, Fan Cooled) with F-class insulation, ensuring reliable and efficient operation.
• Flexibility: Can be used both indoors and outdoors, with the option to upgrade for outdoor use[1][2][4].

Working Principle of EOT Cranes

EOT cranes have three primary functional movements:
– Crane Hook Up and Down Lifting: Controlled by the hoisting mechanism.
– Trolley Lateral Movement: The trolley moves horizontally along the bridge.
– Crane Long Traveling Longitudinal Motion: The bridge moves along the parallel runways[1][4][5].

Installation and Operation

• Installation: EOT cranes are typically installed inside factories or warehouses, requiring support from the building structure.
• Operation Modes: Can be operated from the ground using a wire control or remote control, or from an operating cabin attached to the crane[2][4].

Choosing the Right EOT Crane

When selecting an EOT crane, consider the following factors:
– Load Capacity: Single girder cranes are suitable for lighter loads, while double girder cranes handle heavier loads.
– Span and Headroom: Double girder cranes often provide better headroom and can span wider areas.
– Maintenance and Cost: Single girder cranes are generally lighter and easier to maintain but may not offer the same load capacity as double girder cranes[1][3][5].

By understanding the types, applications, and operational principles of EOT cranes, you can make informed decisions about which crane is best suited for your specific industrial needs.

The Most Comprehensive Introduction To China’s Crane …

Comprehensive Guide to China’s Cranes and Their Accessories: A Novice’s Guide

Introduction

This guide provides a detailed overview of cranes and their accessories, focusing on the specific aspects of Chinese-manufactured cranes. It covers the various types of cranes, their components, and the critical information found on crane nameplates.

Types of Cranes

General Bridge Cranes

• These cranes are commonly used in industrial environments such as warehouses.
• They consist of two parallel girder rails and a single traveling girder that spans the gap between them.
• General bridge cranes can lift very large weights up to the maximum height determined by the supporting infrastructure.

Explosion-Proof Overhead Cranes

• Designed for operation in hazardous environments with flammable gases or dust.
• These cranes incorporate features that prevent sparks and arcs, ensuring safe operation in sensitive areas.

General Gantry Cranes

• Similar to bridge cranes but have legs instead of being supported by the building structure.
• These legs have wheels or tracks, allowing the crane to move along the floor, making them suitable for outdoor applications or facilities with irregular floor layouts.

Jib Cranes

• Feature a vertical mast that supports a horizontal boom or jib.
• The jib can be fixed or rotate, providing a 360-degree range of motion.
• Jib cranes are commonly used in smaller work areas or individual workstations.

Crane Components

Crane Trolleys

• Move along the crane beam, carrying the hoist and load.
• Essential for precise load positioning.

Crane Hoists

• Primary lifting devices that raise and lower the load.
• Can include main and auxiliary hoists for different lifting capacities.

Winches

• Used for lifting and pulling loads horizontally or vertically.
• Often used in conjunction with other crane components.

Crane Control Cabinets

• House the electrical control systems of the crane.
• Critical for safe and efficient operation.

Three-Phase Induction Motors

• Power the crane’s movements, including lifting, traveling, and slewing.
• Explosion-proof motors are available for hazardous environments.

Crane Cable Reels

• Manage the cable or wire rope used for lifting operations.
• Ensure proper cable deployment and retraction.

Crane Drums

• Wind the wire rope or cable around during lifting operations.
• Must be inspected regularly for wear and tear.

Crane Rail Clamps

• Secure the crane rails to the floor or supporting structure.
• Ensure stability and prevent rail movement during operation.

Crane Hooks

• Attach to the end of the wire rope or chain to lift loads.
• Must be inspected regularly for signs of wear.

Crane Reducers

• Gearboxes that adjust the speed and torque of the crane’s motors.
• Essential for precise control over crane movements.

Crane Brakes

• Safety devices that stop the crane’s movements in case of emergencies.
• Include mechanical and electrical braking systems.

Crane Load Limiters

• Prevent the crane from lifting beyond its maximum capacity.
• Critical for safe operation and preventing overloading.

Crane Nameplate Information

Product License Code

• A unique code assigned by the manufacturer to ensure the crane meets regulatory standards.

Type

• Indicates the specific model and type of crane.
• Different models have their respective type codes.

Lifting Capacity

• The maximum weight the crane can safely lift under normal working conditions.
• Does not include the weight of the hook and moving pulley group.
• Includes the weight of removable material handling devices like grabs and electromagnetic suction cups.

Lifting Speed

• The vertical displacement speed of the rated load under stable operating conditions.
• Measured in meters per minute (m/min).
• Example: A single girder overhead crane might have two lifting speeds (e.g., 0.7 m/min and 7 m/min).

Crane Travel Speed

• The travel speed of the gantry crane on a horizontal surface or track when fully loaded.
• Measured in meters per minute (m/min).

Main/Auxiliary Hook Lifting Height

• The distance from the ground or track surface to the highest lifting position of the main/auxiliary crane hook.
• Marked as H.

Effective Cantilever

• In gantry cranes, the horizontal distance from the centerline of the gantry crane’s load to the centerline of the main girder track when the crane trolley is at its furthest extended position.
• Measured in meters (m).

Working State Wind Power

• The maximum calculated wind power that the gantry crane can withstand during normal operation.

Total Power

• The total power consumption of the entire gantry crane system during operation.
• Includes all parts such as motors, transmission devices, hydraulic systems, and auxiliary equipment.
• Typically expressed in watts (W) or kilowatts (kW).

Product Number

• A unique number assigned by the manufacturer when the crane leaves the factory.
• Used to access all information about the product.

Safety and Operational Considerations

Safety Devices

• Include load indicators and limit switches to prevent overloading and other dangerous conditions.
• Load indicators provide real-time information about the load weight.
• Limit switches prevent the crane from lifting beyond its maximum capacity.

Regular Maintenance and Inspections

• Essential for ensuring the crane’s reliable performance and extending its lifespan.
• Regularly inspect critical components such as wire ropes, hooks, and safety devices.
• Establish a maintenance schedule to address potential hazards promptly.

Operator Training

• Adequate training for operators and maintenance personnel is crucial for safe use and efficient operation.
• Training should cover all aspects of crane operation, maintenance, and safety protocols.

Conclusion

Understanding the various types of cranes, their components, and the information on their nameplates is vital for safe and efficient operation. This guide provides a comprehensive overview to help novices and experienced users alike in selecting, operating, and maintaining cranes manufactured in China. By adhering to the guidelines and standards outlined, users can ensure their cranes meet international safety and performance standards.

Eot Cranes Manufacturer In China

Guide to Electric Overhead Traveling (EOT) Cranes

Introduction

Electric Overhead Traveling (EOT) cranes are a type of material handling equipment widely used in various industries for lifting, moving, and positioning heavy loads efficiently. This guide provides an in-depth look at the types, features, and applications of EOT cranes.

Types of EOT Cranes

Top Running and Underhung Cranes

EOT cranes can be broadly categorized into two main types based on their design and installation:

Top Running EOT Cranes

• Installation: These cranes are mounted on rails installed on top of the building’s support structure, allowing the crane to travel along the length of the building.
• Components: The hoist and trolley are suspended from the bridge girder, which spans the width of the building.
• Applications: Ideal for heavy-duty applications requiring high lifting capacity and long travel distances. They are versatile and customizable, making them suitable for complex lifting tasks[3].

Underhung EOT Cranes

• Installation: These cranes travel on the bottom flange of the runway beam using special hangers.
• Applications: Suitable for lighter loads and low-headroom applications. They are cost-effective and easy to install, making them an excellent choice for smaller workspaces with a limited budget[3].

Single Girder EOT Cranes

Features

• Design: Single girder EOT cranes have a single girder with a trolley and hoist that runs along the axis of the girder.
• Operation: Can be operated through a push-button pendant station or radio remote control.
• Components: Use mounted motors and vertical gearboxes. They have a four-wheel arrangement in the long travel end carriage.
• Applications: Mostly used for handling typical to medium objects and materials. They are lighter and more cost-effective, making them ideal for short work periods and lighter loads[2][5].

Advantages and Limitations

• Advantages: Lower cost, quicker installation, and reduced building costs due to lighter crane dead weight.
• Limitations: Generally limited to a maximum span of 20-50 feet and a maximum lift of 15-50 feet. They handle 1-15 tonnes and are candidates for light to moderate service[5].

Double Girder EOT Cranes

Features

• Design: Double girder EOT cranes have two girders with two trolleys and hoists that run along the axis of the beams.
• Operation: Can be operated by push-button pendant, radio remote control, and operating cabin.
• Components: Use foot-mounted motors and horizontal gearboxes. They have an eight-wheel arrangement and include rotary and gravity limit switches for controlling movements.
• Applications: Designed for lifting heavy-load materials and objects. They are robust and sturdy, making them suitable for high-capacity lifting and complex tasks[2][5].

Advantages and Limitations

• Advantages: Higher lifting capacity (up to 100 tons or more), better lifting height, and suitability for continuous severe service. They can be fitted with special equipment like walkways, crane lights, and cabs.
• Limitations: Generally more expensive than single girder cranes but offer greater durability and versatility for heavy-duty applications[2][5].

Key Components and Features

Bridge and Girders

• Single Girder: One main girder supported on two end trucks.
• Double Girder: Two bridge girders supported on two end trucks, providing greater stability and lifting capacity[5].

Hoist and Trolley

• Hoist: The mechanism responsible for lifting and lowering the load.
• Trolley: Moves along the girder, allowing lateral movement of the load[2].

Control Systems

• Operation Modes: Can be operated via control pendant, radio/IR remote pendant, or an operator cabin attached to the crane[2].

Safety Features

• Limit Switches: Used to control the upward and downward movements of the hoist. Double girder cranes often include both rotary and gravity limit switches[2].

Applications of EOT Cranes

Industries

• Power Plants: For heavy lifting and maintenance tasks.
• Workshops: General material handling and production processes.
• Transformer and Cable Industries: Handling heavy transformers and cable reels.
• Process Plants: Chemical, steel, coal, and cement plants where heavy loads are common.
• Engineering Industry: For various engineering and manufacturing tasks[1].

Maintenance and Operation

Smooth Operation

• Starting and Braking: Smooth starting and braking mechanisms to ensure safe and efficient operation[1].

Energy Efficiency

• Energy Saving: Designed to reduce energy consumption while maintaining high performance[1].

Maintenance

• Convenient Maintenance: Easy component exchange and maintenance procedures to minimize downtime[1].

Conclusion

EOT cranes are essential in various industrial settings due to their versatility, high lifting capacity, and efficient operation. Understanding the differences between single girder and double girder cranes, as well as top running and underhung configurations, is crucial for selecting the right crane for specific needs. By considering factors such as load weight, workspace size, and available headroom, users can make informed decisions to optimize their material handling processes.

How EOT Cranes Enhance Safety And Efficiency – DQCRANES

Since the provided websites do not include the specific content from https://www.cranesdq.com/electric-overhead-traveling-crane-types-and-price.html, I will create a comprehensive guide based on the information gathered from the other sources.

Guide to Electric Overhead Traveling (EOT) Cranes: Types and Prices

Introduction

Electric Overhead Traveling (EOT) cranes are essential pieces of equipment in various industrial settings, including manufacturing plants, warehouses, and construction sites. They are designed to efficiently handle and transport heavy loads, enhancing operational efficiency and reducing manual labor.

Types of Overhead Cranes

Single Girder Overhead Cranes

• Description: These cranes feature a single horizontal beam or girder that supports both the trolley and hoist system. They are suitable for light to medium-duty applications.
• Load Capacity: Typically ranges from 1 ton to 20 tons[5].
• Span and Lift Height: Span ranges from 5 to 30 meters, and lift height commonly varies from 3 to 20 meters[5].
• Price Range: Generally ranges from $10,000 to $50,000, influenced by load capacity, span, lift height, and additional features like advanced control systems[5].

Double Girder Overhead Cranes

• Description: These cranes have two bridge girders, offering increased stability and higher lifting capacities. They are suitable for heavy-duty and super heavy-duty applications.
• Load Capacity: Generally above 20 tons, and can reach several hundred tons[2].
• Span and Lift Height: Varies widely depending on the application, but there is no limit to maximum span or capacity[2].
• Price Range: Relatively high, ranging from $40,000 to $100,000 or more for higher capacities[2][4].

Gantry Cranes

• Description: Gantry cranes have legs supporting the bridge, providing mobility and versatility. They are often used in industries like shipping, manufacturing, or construction.
• Price Range: Varies based on design complexities, spanning capabilities, and functionalities. Prices can range from $130,000 to $170,000 or more for full gantry cranes[4].

Factors Influencing the Cost of Overhead Cranes

Load Capacity

• The cost of an overhead crane increases with the load capacity. Higher capacity cranes, such as those above 20 tons, are significantly more expensive[2][4].

Span and Lift Height

• The span (the distance between support structures) and lift height (the vertical distance the crane can lift) are crucial factors. Longer spans and higher lift heights increase the cost due to the need for more robust structures and mechanisms[5].

Type and Configuration

• Single girder cranes are generally cheaper than double girder cranes due to their simpler structure. Custom-engineered cranes and those with specialized functionalities also cost more[1][2].

Additional Features

• Advanced control systems, such as pendant controls, radio remote controls, or automated systems, can add to the overall cost[5].

Installation and Maintenance

• Installation costs are not always included in the initial price and can add significant expense. Ongoing maintenance is also a factor to consider in the total cost of ownership[5].

Applications and Usage

Manufacturing Plants

• Overhead cranes are commonly used in manufacturing plants to move heavy materials, transport components between stations, and manage bulk items[5].

Warehouses

• They are ideal for warehouses where efficient material handling is crucial, reducing manual lifting efforts and enhancing operational efficiency[5].

Construction Sites

• Gantry cranes, in particular, are often used in construction for their mobility and versatility in handling heavy loads[1].

Classes of Overhead Cranes

Class A and Class B Cranes

• These are the least expensive options, used mostly for maintenance or initial installation of equipment. They are used infrequently and have long periods of idle time between lifts[4].

Class C Cranes

• Middle-of-the-road type cranes, used moderately to handle loads at or around 50% capacity. They are in service for about 5 to 10 lifts per hour[4].

Class D and Class E Cranes

• These are heavy-duty cranes, often referred to as process cranes, built for specific needs. They consistently run over 50% of the rated capacity and make 15 or more lifts per hour[4].

Class F Cranes

• These cranes must handle loads approaching rated capacity continuously under severe service conditions. They are extremely expensive due to additional design, engineering, and heavy-duty components[4].

Conclusion

Choosing the right overhead crane involves careful consideration of several factors, including load capacity, span, lift height, type, and additional features. Understanding these elements and their impact on cost can help businesses select the most appropriate crane for their specific operational needs, ensuring both efficiency and cost-effectiveness.

China Single Girder EOT Crane Manufacturers, Suppliers, …

Single Girder Overhead Crane: A Comprehensive Guide

Introduction

Single girder overhead cranes are a common and versatile type of overhead crane, widely used in various industries for light to medium-duty material handling. This guide will provide an in-depth look at the components, features, advantages, and disadvantages of single girder overhead cranes.

Components of a Single Girder Overhead Crane

Bridge Girder

• The primary horizontal beam that spans the width of the working area, supporting the trolley and hoist.
• Typically made from steel plate or I-beam steel with advanced welding technologies[2][5].

End Trucks

• Mounted at each end of the bridge girder, enabling the crane to travel along the runway beams.
• Equipped with wheels and a traveling mechanism (motor, reducer, and brake)[2][5].

Runway Beams

• Parallel beams that support the entire crane structure, providing a smooth surface for the end trucks to move along[5].

Hoist

• The mechanism that lifts and lowers the load, consisting of a motor, gearbox, and drum or chain with a hook or other lifting attachment.
• Can be CD (single lifting speed) or MD (dual lifting speed) models[2].

Trolley

• The unit that houses the hoist and moves horizontally along the bridge girder to position the load.
• Usually underhung, meaning it is suspended from the bottom of the bridge girder[3][5].

Features of Single Girder Overhead Cranes

Design and Construction

• Follows international design codes such as FEM, CMAA, and EN ISO.
• Compact design, light self-weight, and low noise operation.
• The girder is often welded from S355 material, with strict welding specifications[1].

Hoist Options

• Can be equipped with low headroom hoist or standard room hoist.
• Hoist motors are typically branded, with features like IP55, F insulation class, IE3 energy efficiency, over-heat protection, and electro-magnetic brakes[1].

Control and Operation

• Control panel designed according to IEC standards, installed in an IP55 enclosure.
• Operation can be via pendant control and/or remote control[1][2].

Safety and Maintenance

• Regular inspections and maintenance are crucial to ensure safe operation.
• Proper training for operators is essential, including safe operating procedures, emergency response, and maintenance[5].

Advantages of Single Girder Overhead Cranes

Cost-Effectiveness

• Less expensive than double girder cranes due to lighter weight and less material required.
• Lower production costs, freight, installation, and material costs[3][4][5].

Easy Installation and Maintenance

• Simplified design makes installation and maintenance easier and less time-consuming.
• Lower overall weight can reduce support structure costs or be supported by existing building structures[3][4][5].

Space Efficiency

• Ideal for buildings with limited headroom due to their low headroom design.
• Maximizes the use of vertical space in facilities with height restrictions[3][5].

Versatility

• Can be customized to suit various applications with different lifting capacities, spans, and heights.
• Used across a wide range of industries such as manufacturing, warehousing, construction, automotive, and shipbuilding[3][5].

Disadvantages of Single Girder Overhead Cranes

Limited Capacity and Span

• Generally limited to a weight capacity of up to 20 tons and shorter spans compared to double girder cranes.
• Not suitable for applications requiring heavy-duty lifting or longer spans[3][4].

Reduced Hook Height

• The underhung trolley can lower the hook height, which may be a limitation in certain applications[3][4].

Wear and Tear

• The trolley wheels riding on the main girder’s bottom flange can cause more wear to the beam over time[3][4].

Special Features

• Adding special features such as walkways, operator cabs, or service paths can be more difficult and costly[3][4].

Safety Considerations

Proper Training

• Ensure 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 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 needs. While they have several advantages, it is important to consider their limitations, especially in terms of capacity and special features. By understanding the components, features, and safety considerations of single girder overhead cranes, users can make informed decisions and ensure safe and efficient operation.

EOT Crane Manufacturers | Overhead Crane Suppliers …

About Henan Sinoko Cranes Co., Ltd.

Company Overview

Henan Sinoko Cranes Co., Ltd. is a modern manufacturing enterprise specializing in European standard cranes. The company is based in Changyuan County, Xinxiang, Henan, China, and operates on a vast factory area of about 280 acres.

Workforce and Capital

Sinoko Cranes employs over 1200 employees, including more than 180 engineers and technicians. The company has a registered capital of 108.80 million RMB and a total capital investment of 220 million RMB.

Certifications and Standards

Sinoko Cranes has acquired production licenses from the China National Technical Supervision Bureau and has passed through ISO9001:2000 international quality control standard, ISO14001:1996 environment standard, and OHSAS18001 health and safety standard.

Manufacturing Capabilities

Factory Facilities

The company has multiple factory sections dedicated to different aspects of crane manufacturing:
– Assembling and manufacturing
– Riveting and welding
– Machining processing
– Electric appliance assembly warehouse
– Shipping space

Advanced Equipment

Sinoko Cranes utilizes over 210 sets of advanced manufacturing and testing equipment to ensure the production of high-quality cranes.

Product Range

European Standard Cranes

Sinoko Cranes focuses on producing cranes that adhere to European standards, characterized by:
– Slim size and light weight
– Excellent free maintenance performance
– Continuing working efficiency
– Advanced configuration
– Galvanized steel rope
– Disc brake for lifting safety
– Hardened reducer
– PLC lifting limit switch

Types of Cranes

The company offers a wide range of crane products, including:
– Europe Type Double Girder Overhead Crane
– CXSM Double Beam Open Winch Electric Overhead Crane
– Double Girder Overhead Crane
– European Single Girder Gantry Crane
– European Gantry Crane
– Hydraulic Grab Overhead Crane for handling large materials
– Magnet Handling Overhead Bridge Crane
– Container Lifting Gantry Crane
– Truss Structure Gantry Crane

Key Features of Sinoko Cranes

Design and Structure

Sinoko Cranes are designed with optimized structures to meet strength, stiffness, and stability requirements. Features include:
– Flexible box section designing structure
– Maintenance-friendly design
– Computer-optimized design box beam to reduce dead weight and costs

Customization

The company offers customized crane solutions based on customer-specific requirements, including the choice between single and double girder models, which depend on factors such as workload and budget.

Operational Parameters

Technical Specifications

For example, the 25-ton overhead crane has the following specifications:
– Span: Up to 60 meters
– Cross Speed: 0~20 m/min (VVVF)
– Duty Class: Up to M6
– Sling Type: Wire Rope
– Lifting Speed: 5/0.8 M/Min (VVVF available)
– Long Travel Speed: 0~30 M/Min (VVVF)

Control Modes

Cranes can be controlled via:
– Pendant control
– Remote control
– Cabin control

Maintenance and Support

Maintenance Requirements

To ensure the normal operation of the cranes, regular maintenance is crucial. This includes checking and maintaining various components to prevent failures.

Customer Support

Sinoko Cranes provides comprehensive support, including on-site installation guidance and technical assistance. Customers can contact the technical department for any queries or to discuss specific requirements.

Exhibitions and Global Presence

International Exhibitions

Sinoko Cranes participates in major international exhibitions such as Metec Düsseldorf and the China (Shanghai) International Heavy Machinery Equipment Exhibition to showcase their latest innovations and products.

Global Installations

The company has successfully installed cranes in various countries, including Bangladesh and Pakistan, demonstrating their global reach and capability.

How to Choose the Right Crane

Selection Criteria

When selecting a crane, consider the following factors:
– Lifting Capacity: Determine the required lifting capacity.
– Span and Cantilever Length: Calculate the center-to-center distance between railways and the cantilever length.
– Lifting Height: Measure the distance from the center of the hook to the floor.
– Travelling Length: Determine the length of the crane’s travel path.
– Industrial Voltage: Specify the voltage, frequency, and phases required.
– Control Mode: Choose between pendant, remote, or cabin control.
– Additional Components: Decide if additional components like rails and bus bars are needed.
– Main Lifting Material: Identify the primary material to be lifted.

By considering these factors and consulting with Sinoko Cranes’ engineers, customers can ensure they receive a crane that meets their specific needs and operational requirements.

Overhead Crane / Double Girder EOT Crane

Since the provided URL does not lead to a valid or accessible webpage, I will create a comprehensive guide based on the general information about European-style single girder overhead cranes, using the details from the other sources.

Guide to European-Style Single Girder Overhead Cranes

Introduction

European-style single girder overhead cranes are designed with advanced technology and materials to offer superior performance, efficiency, and space utilization. Here is a detailed guide to help you understand their features, technical parameters, and applications.

Design and Structure

Main Beam

• Made from high-strength materials, such as Q235B carbon structural steel, using seamless once-forming technology to enhance strength and durability[1].

End Carriage

• Constructed from Q235B carbon structural steel, equipped with quality wheels and powerful motors to ensure smooth and reliable operation[1].

Electric Wire Rope Hoist

• Complies with European standards (NDS type), characterized by a simple structure, high performance, low clearance, fewer failures, and a long service life[1].

Electric Cabinet

• Uses renowned brands such as Schneider or Siemens, ensuring high-quality and reliable electrical components[1].

Technical Parameters

Capacity and Span

• Capacity ranges from 1 to 12.5 tons.
• Span ranges from 7.5 to 25.5 meters[1].

Lifting Height and Speed

• Lifting height typically starts at 6 meters or more.
• Lifting speed is often dual-speed, such as 0.8/5 meters per minute[1].

Trolley and Crane Speed

• Trolley speed can vary from 2 to 20 meters per minute.
• Crane traveling speed ranges from 3 to 30 meters per minute[1].

Wheel Load and Traveling Rail

• Maximum wheel load varies between 13.5 to 90.94 kN.
• Traveling rail types include P24 to P43[1].

Working Duty

• Classified under M5 working class according to ISO standards, indicating high-duty cycles and frequent use[1].

Applications

Industries

• Widely used in various industries such as machinery manufacturing, warehouses, logistics, food, paper making, and electronics[1].

Workshops and Warehouses

• Ideal for material handling in workshops and warehouses due to their efficient use of space and high lifting capacities[1].

Key Features

Space Utilization

• Designed to make full use of the factory building space with lower height above the rails and shorter limit distances from the hook to both sides[1].

High-Strength Materials

• Use of high-strength materials reduces the total weight of the crane while increasing its carrying capacity[1].

Variable Speeds

• Cross and long traveling speeds are variable, enhancing operational flexibility[1].

Electrical Components

• Electric parts are protected to IP 54 standards, ensuring high reliability and durability in various environments[1].

Standards and Compliance

FEM/DIN Standards

• Cranes and electric hoists comply with FEM/DIN standards, ensuring adherence to international quality and safety norms[1].

CMAA Specifications

• While specific to American standards, CMAA specifications (e.g., Spec 74 for single girder cranes) provide a framework for uniform quality and performance that can be considered in the context of European-style cranes[5].

Maintenance and Service

Regular Inspections

• Regular pre-operational checks and periodic inspections are crucial to maintain the crane’s performance and safety, as outlined in standards like CMAA Spec 78[5].

Professional Services

• It is recommended to use safety-minded, manufacturer-trained, and certified technicians for maintenance and repair services[5].

Conclusion

European-style single girder overhead cranes are engineered to provide efficient, reliable, and safe material handling solutions. Their advanced design, high-strength materials, and variable speeds make them ideal for a wide range of industrial applications. Ensuring compliance with international standards and regular maintenance is key to maximizing their performance and lifespan.

China OEM Workshop Electric Hoist Crane Eot Crane-Single …

Single Girder Electric Hoist Crane: A Comprehensive Guide

Introduction

A single girder electric hoist crane, also known as a single beam bridge crane or EOT (Electric Overhead Traveling) crane, is a versatile and widely used piece of equipment in various industrial settings. This guide will provide an in-depth look at the structure, specifications, applications, and benefits of single girder electric hoist cranes.

Structure and Components

Main Girder

• The single girder crane consists of a single bridge beam, which can be either an I-beam or a box girder design, depending on the application and load requirements[3][5].

End Trucks

• The main girder is supported on each side by end trucks, which run on rails fixed on the runway beams. These end trucks are equipped with wheels and a traveling mechanism that includes motors, reducers, and brakes[3][5].

Electric Hoist

• The electric hoist, which can be either a wire rope hoist or a chain hoist, is mounted on the bottom flange of the main girder. Common models include CD (single lifting speed) and MD (dual lifting speed) hoists[1][3][5].

Runway Beams

• The crane operates on two runway beams, which are the tracks that the end trucks move along. These beams are typically installed at the top of the workshop or warehouse[1][3].

Control Systems

• The crane can be operated using various control methods, including pendant control, remote control, and sometimes crane cabin control[3][5].

Specifications

Lifting Capacity

• Single girder electric hoist cranes have a lifting capacity ranging from 1 to 32 tons, depending on the model and configuration[2][3][5].

Span Length

• The span length of these cranes can vary from 7.5 to 31.5 meters, accommodating different workshop and warehouse layouts[1][2][5].

Lifting Height

• The lifting height can range from 3 to 60 meters, making them suitable for various industrial environments[3][5].

Working Class

• These cranes are classified into different working classes, such as A3, A4, and A5, indicating their duty cycle and usage frequency[3][5].

Ambient Temperature

• The operating temperature range for these cranes is typically between -20°C and 40°C[2].

Applications

Industrial Settings

• Single girder electric hoist cranes are widely used in factories, warehouses, stockyards, and various other industrial settings such as steel mills, shipyards, and maintenance shops[1][3][5].

Specific Industries

• They are applicable in multiple fields including mechanical processing, assembly, repair, oil industry, plastic plants, cement plants, power plants, and more[3].

Indoor and Outdoor Use

• While primarily used indoors, these cranes can also be used outdoors in suitable environments[1].

Benefits and Advantages

Cost-Effectiveness

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

Space Efficiency

• They occupy the least floor space and meet the fewest number of obstacles in the range of movement, making them ideal for areas with limited headroom[1].

Flexibility

• These cranes offer great flexibility in terms of cover area and movement control. They can be customized to adapt to changing demands and unique plant conditions[1].

Easy Maintenance

• The light structure and reasonable design make installation and maintenance easier and less costly. They also feature low noise, soft starting and stopping, and safe and reliable operation[5].

Safety Considerations

Hazardous Environments

• Single girder electric hoist cranes are not suitable for use in hazardous environments such as easily combustible, explosive, or corrosive environments. For such environments, explosion-proof or special-purpose cranes are recommended[1][4][5].

Safety Features

• Modern single girder cranes often come with safety features like overload warning, secondary class anti-clamp, sound and light alarm devices, and circuit self-check protectors to enhance safety during operation[4].

Customization and After-Sales Service

Custom Designs

• Manufacturers often provide customized solutions based on the specific needs of the customer. This includes adjusting details to better match the actual working conditions of the client[1].

After-Sales Support

• Many manufacturers offer ongoing support and services beyond the installation of the crane, including maintenance, repair, and operator training[1][3].

By understanding the structure, specifications, applications, and benefits of single girder electric hoist cranes, users can make informed decisions about their material handling needs and ensure efficient and safe operations in their industrial environments.

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 handle heavy loads efficiently and safely. Here is a comprehensive guide to the types and specifications of overhead cranes.

Types of Overhead Cranes

Single Girder Overhead Cranes

Characteristics

• Capacity: Typically ranges from 1 to 20 tons[2][3][5].
• Span: Usually spans between 7.5 to 31.5 meters[1][2][3].
• Lifting Height: Can range from 6 to 30 meters[1][2].
• Lifting Speed: Varies from 0.8 to 5 meters per minute[2].
• Trolley Speed: Generally between 2 to 20 meters per minute[2].
• Crane Speed: Ranges from 3 to 30 meters per minute[2].

Advantages

• Lighter and less expensive compared to double girder cranes.
• Easier installation and maintenance.
• Suitable for smaller to medium-sized loads.

Applications

• Ideal for workshops, warehouses, and smaller production lines.

Double Girder Overhead Cranes

Characteristics

• Capacity: Ranges from 5 to 450 tons[1][2][5].
• Span: Typically spans between 10.5 to 31.5 meters[1][2][5].
• Lifting Height: Can range from 6 to 24 meters[1][2].
• Lifting Speed: Varies from 2.1 to 11.5 meters per minute[2].
• Trolley Speed: Generally between 27 to 40 meters per minute[2].
• Crane Speed: Ranges from 42 to 75 meters per minute[2].

Advantages

• Stronger structure and higher lifting capacities.
• Increased headroom due to the configuration of the hoist between the two girders.
• Suitable for heavy-duty applications.

Applications

• Ideal for large manufacturing plants, heavy-duty workshops, and high-capacity lifting needs.

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[3][5].
• Advantages: Greater lifting height, easier installation and service, optimal lifting height[3][4].

Under Running Cranes

• Mounting: Mounted on the bottom flange of the runway beams[3][5].
• Advantages: Suitable when headroom is a major issue, as they require less vertical space[3][4].

Other Types of Overhead Cranes

Gantry Cranes

• Characteristics: Free-standing or rail-mounted, often used outdoors or in large indoor spaces.
• Advantages: High lifting capacities, can be used where building structure cannot support loads[5].

Jib Cranes

• Characteristics: Floor-mounted or wall-mounted, equipped with an electric chain hoist.
• Advantages: Efficient for short-distance lifts, maximizes floor space, up to 360-degree rotation[5].

Monorail Cranes

• Characteristics: Hoist moves only up and down along a single rail.
• Advantages: Unique design, suitable for specific tasks where side-to-side movement is not required[5].

Workstation Cranes

• Characteristics: Designed for specific workstations, often used in smaller production areas.
• Advantages: Space-saving, efficient for precise load positioning, simple to operate and maintain[5].

Specifications and Parameters

Capacity

• Single girder cranes: 1-20 tons
• Double girder cranes: 5-450 tons

Span

• Single girder cranes: 7.5-31.5 meters
• Double girder cranes: 10.5-31.5 meters

Lifting Height

• Single girder cranes: 6-30 meters
• Double girder cranes: 6-24 meters

Lifting Speed

• Single girder cranes: 0.8-5 meters per minute
• Double girder cranes: 2.1-11.5 meters per minute

Trolley Speed

• Single girder cranes: 2-20 meters per minute
• Double girder cranes: 27-40 meters per minute

Crane Speed

• Single girder cranes: 3-30 meters per minute
• Double girder cranes: 42-75 meters per minute

Work Duty

• Classified under A3-A7, indicating the crane’s usage and load cycle[1][2].

Track Type

• Varies depending on the crane model, such as QU100 or QU120 for different capacities[1].

Customization and Special Requirements

Temperature Range

• Standard cranes operate in temperatures from -20 to +40 degrees Celsius. Specialized cranes, like those for casting, can operate up to +60 degrees Celsius[2].

Customized Service

• Many manufacturers offer customized services to meet specific user requirements, including adjustments in crane height, span, and other parameters[1][2].

Installation and Maintenance

Installation

• Top running cranes are easier to install and service compared to under running cranes.
• Double girder cranes may require more complex installation due to their heavier and more complex structure[3][4].

Maintenance

• Regular maintenance is crucial to ensure the longevity and safety of the crane.
• Components such as the hoist, trolley, and crane beams need periodic inspection and maintenance[3][4].

Conclusion

Overhead cranes are versatile and critical pieces of equipment 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, knowing the specifications and parameters will help you make an informed decision. Additionally, considering factors such as installation, maintenance, and customization options can ensure that your overhead crane operates efficiently and safely.

EOT Crane Manufacturer China

Given the provided sources and the nature of the inquiry, here is a comprehensive guide to Huada Heavy Industry, focusing on their expertise in manufacturing overhead cranes and other related equipment, even though the specific webpage from https://www.huadacrane.com/news/eot-crane-manufacturer-china.html is not directly accessible.

Overview of Huada Heavy Industry

Company History and Establishment

Huada Heavy Industry was established in 2008 and has since developed into a prominent enterprise in the design and manufacture of bridge erection equipment and gantry cranes.

Business Scope

The company specializes in providing a series of customized construction solutions and equipment, including:
– Launching gantry
– Beam launcher
– MSS (Movable Scaffold System)
– Straddle carrier
– Form traveler
– Portal crane
– Overhead crane
– Series of gantry cranes

Product Range and Applications

Types of Cranes and Equipment

Huada Heavy Industry manufactures a wide range of cranes and equipment, each designed for specific applications:
– Launching Gantry: Used for bridge construction, particularly for launching pre-fabricated bridge sections.
– Beam Launcher: Designed for placing concrete or steel beams during bridge construction.
– MSS (Movable Scaffold System): Used for formwork and scaffolding in various construction projects.
– Straddle Carrier: Utilized for transporting heavy loads, such as containers or construction materials.
– Form Traveler: Employed in the construction of high-rise buildings and large infrastructure projects.
– Portal Crane: Used in shipyards, ports, and other large-scale construction sites.
– Overhead Crane: Commonly used in factories, warehouses, and construction sites for lifting and moving heavy loads.
– Gantry Cranes: Available in various configurations, including rubber-tyred and rail-mounted options.

Industry Applications

The products of Huada Heavy Industry are widely used in various sectors, including:
– LRT (Light Rail Transit) and MRT (Mass Rapid Transit)
– Metro and Railway
– Highway and Viaduct Construction
– Interchange and Cable-stayed Bridge Construction
– Formwork Construction

Innovation and Technology

Advanced Solutions

Huada Heavy Industry focuses on technical innovation and customer demands, incorporating:
– Distance-Controlled Equipment: Enhancing safety and efficiency in operations.
– Environment-Friendly Solutions: Ensuring that the equipment and technologies used are sustainable and environmentally friendly.
– Quality Assurance System: Maintaining high-quality standards that meet international advanced levels.

Manufacturing and Export

Production Capacity

The company has a robust production capacity, enabling it to meet global demand. The factory is located in Crane Industrial Park, Xinxiang City, Henan Province, China.

Export Markets

Huada Heavy Industry exports a significant portion of its products, with export markets including Africa, Asia, and the Middle East.

Customer Focus and Quality

Customer Demands

The company prioritizes customer demands, ensuring that their products and services meet the specific needs of clients across different regions and industries.

Quality Assurance

Huada Heavy Industry relies on a stringent quality assurance system to maintain the highest standards in their products and services, ensuring they reach international advanced levels.

By focusing on innovation, quality, and customer satisfaction, Huada Heavy Industry has established itself as a leading manufacturer in the field of bridge erection equipment and gantry cranes.

Frequently Asked Questions (FAQs)

What is an EOT Crane and How Does it Work?

An EOT Crane, or Electric Overhead Traveling crane, is a heavy-duty lifting device commonly used in various industrial settings such as factories, warehouses, construction sites, and power stations. It is designed to move loads both horizontally and vertically. The crane consists of key components including the bridge, hoist, trolley, and end trucks. The bridge is the horizontal beam that spans the working area, supporting the hoist and trolley. The hoist, powered by a motor, lifts and lowers the load using a drum and wire rope or chain. The trolley moves the hoist horizontally along the bridge, and the end trucks support the bridge and facilitate its movement along the gantry or runway.

What Are the Different Types of EOT Cranes Available?

EOT cranes come in several types, each designed to cater to specific lifting needs. The Single Girder EOT Crane features a single girder bridge supported by end trucks and is suitable for light to moderate lifting applications. The Double Girder EOT Crane has two girders running parallel on top of the end trucks, providing increased stability, higher load capacity, and better hook height, making it ideal for heavy-duty lifting operations. The Underslung EOT Crane has its end trucks suspended from the roof structure, allowing better utilization of vertical space and is commonly used in facilities with low headroom. Additionally, there are Gantry Cranes and Monorail Cranes, which are variations that serve specific operational needs.

What Are the Key Parameters to Consider When Selecting an EOT Crane?

When selecting an EOT crane, several key parameters need to be considered. These include the Lifting Capacity, which is the maximum weight the crane can lift in a single operation, measured in tons or kilograms. The Lifting Speed and Crane Travel Speed are also crucial, as they determine how quickly the crane can lift and move loads. Other important factors include the Crane Span, which is the horizontal distance between the rails of the runway, and the Trolley Travel Speed, which affects the horizontal movement of the hoist. Additionally, the Working Class and Ambient Temperature range in which the crane will operate must be taken into account to ensure the crane is suitable for the specific application environment.

How Have Chinese EOT Cranes Incorporated Technological Innovations?

Chinese EOT crane manufacturers have embraced several technological innovations to enhance their products. These innovations include Intelligence and Digitalization, where cranes are equipped with sensors, controllers, and communication technologies for remote monitoring, fault diagnosis, and automatic operation. There is also a focus on Lightweight and Energy Saving through the use of high-strength materials and optimized structural designs, reducing energy consumption. Multifunctional Improvement allows cranes to perform multiple functions such as rotation, telescoping, and grabbing, increasing their versatility. Additionally, there is an emphasis on Personalization and Diversification to meet specific user needs, and the application of High-Performance Materials to enhance strength and durability.

What Safety Features Are Typically Included in EOT Cranes?

EOT cranes often come with several safety features to ensure safe and efficient operation. These include Anti-Collision Systems that use sensors and alarms to detect potential collisions with other cranes or obstacles. Load Limiters prevent the crane from lifting loads beyond its rated capacity, and Crane Brakes ensure secure stopping and holding of loads. Additionally, Explosion-Proof Designs are available for cranes intended for use in hazardous environments, such as those with gas or dust. These safety features are critical for reducing the risk of accidents and ensuring the longevity of the crane and its components.