In the heart of China’s bustling industrial landscape, overhead crane operators play a crucial role in the smooth operation of various industries, from construction and manufacturing to logistics and heavy engineering. These skilled professionals are the unsung heroes behind the efficient and safe movement of heavy loads, ensuring the continuity and productivity of critical operations.

This in-depth guide delves into the world of overhead crane operators in China, exploring the intricacies of their role, the stringent safety and training standards they must adhere to, and the challenges they face. Readers will gain insights into the specialized training and certification processes that operators undergo, the importance of regular inspections and maintenance to ensure crane reliability, and the diverse range of crane types and applications across different industries.

Additionally, this guide will discuss the key players in China’s overhead crane manufacturing sector, the benefits and risks associated with sourcing cranes from Chinese manufacturers, and the critical design standards that govern the safety and efficiency of these machines. Whether you are an industry professional, a business owner, or

Top 10 Overhead Crane Manufacturer In China | WeiHuaCrane

Top 10 Overhead Crane Manufacturers in China: An In-Depth Guide

Introduction

China has emerged as a major player in the global market for overhead cranes, driven by its large manufacturing capacity and relatively low labor costs. Here, we will explore the top 10 overhead crane manufacturers in China, highlighting their history, products, and contributions to the industry.

1. Henan Weihua Heavy Machinery Co., Ltd.

Overview

• Established in 1989 and headquartered in Anyang City, Henan Province.
• Weihua Group is a leading machinery manufacturing enterprise in China.

Products and Services

• Specializes in the design, research and development, production, and sales of lifting machinery, construction machinery, special vehicles, and other products.
• Leads in the production and sales of overhead cranes and gantry cranes in China.
• Achieved sales revenue of 12.2 billion yuan in 2018.

2. Zoomlion Heavy Industry Group Co., Ltd.

Overview

• Founded in 1993 and headquartered in Changsha, Hunan Province.
• One of the leading construction machinery manufacturers in China.

Products and Services

• Engaged in the R&D, manufacturing, and sales of bridge cranes, tower cranes, and other products.
• Utilizes advanced production equipment and technology to provide high-quality products and services.
• Strong global presence with branches in over 40 countries.

3. Langfang Hongqi Heavy Machinery Co., Ltd.

Overview

• Established in 1958 and headquartered in Langfang City, Hebei Province.
• Known for its rich experience and technology in crane manufacturing.

Products and Services

• Specializes in the production of bridge cranes, with product quality and performance leading in China.
• Widely recognized and praised for its products.

4. Henan Weineng Heavy Industry Machinery Co., Ltd.

Overview

• Founded in 2004 and headquartered in Zhengzhou City, Henan Province.
• Engaged in the R&D, manufacturing, and sales of bridge cranes, gantry cranes, and tower cranes.

Products and Services

• Uses advanced production equipment and technology to provide high-quality products and services.

5. Shanghai Electric Group Co., Ltd.

Overview

• Founded in 1880, making it one of the oldest companies in the sector.
• Headquartered in Shanghai.

Products and Services

• Specializes in the R&D, manufacturing, and sales of bridge cranes, tower cranes, and other products.
• Known for its long history and rich experience, with product quality and performance consistently leading in China.

6. Harbin Electric Group Co., Ltd.

Overview

• Established in 1898, with a long history and rich experience.
• Headquartered in Harbin.

Products and Services

• Engaged in the R&D, manufacturing, and sales of bridge cranes, gantry cranes, and other products.
• Product quality and performance have always been in the leading position in China.

7. Henan Qiaoqiao Heavy Industry Co., Ltd.

Overview

• Founded in 2003 and headquartered in Nanyang City, Henan Province.
• Specializes in the R&D, manufacturing, and sales of bridge cranes, gantry cranes, and other products.

Products and Services

• Has a professional R&D team and advanced production equipment, committed to providing high-quality products and services.

8. Hebei Shuangma Heavy Industry Machinery Manufacturing Co., Ltd.

Overview

• Established in 2002 and headquartered in Xingtai City, Hebei Province.
• Specializes in the R&D, manufacturing, and sales of bridge cranes, gantry cranes, and other products.

Products and Services

• Known for its skilled team and efficient production equipment, with widely recognized product quality and performance.

Manufacturing Process

The manufacturing process for overhead cranes typically involves several stages:
– Design: Initial planning and design of the crane based on customer specifications and industry standards.
– Fabrication: Production of the crane components, including the girder, hoist, and other structural elements.
– Assembly: Bringing together the fabricated components to form the complete crane.
– Testing: Comprehensive testing to ensure the crane meets safety and performance standards.

Range of Products

These manufacturers offer a wide range of overhead crane models, including:
– Single Girder Cranes
– Double Girder Cranes
– Gantry Cranes
– Jib Cranes
– Customized Solutions: Tailored to specific industries or applications.

Additional Services

In addition to manufacturing, these companies often provide:
– Installation Services: Ensuring the crane is correctly installed at the customer’s site.
– Maintenance Services: Regular maintenance to keep the crane in optimal working condition.
– Repair Services: Addressing any issues or repairs needed to maintain crane functionality.

By understanding the capabilities, products, and services of these top manufacturers, customers can make informed decisions when selecting an overhead crane that meets their specific needs.

Dongqi Crane: Overhead Crane Hoist Manufacturer and …

Overview of DQCRANES

Company Profile

DQCRANES, also known as HENAN DONGQI MACHINERY CO., LTD, is a leading crane manufacturer and supplier based in China. The company was established using advanced European technology and research and development, making it a prominent figure in the crane and lifting equipment industry.

Manufacturing Capabilities

Production Facilities

• DQCRANES operates out of the Dongqi Industry Park in Changyuan, Henan, known as the “Cradleland of Cranes.”
• The factory spans 240,000 square meters and employs over 3600 workers, including 500 technicians and more than 70 senior engineers[2].

Equipment and Automation

• The manufacturing plant is highly automated and equipped with over 2000 sets of advanced manufacturing and detection devices.
• Facilities include four guns air protection portal shaped weld, impeller blasting descaling machine, digital control plaint drill, hoist spray paint line, and various other precision machinery[2].

Annual Production

• DQCRANES has the capacity to produce over 10,000 sets of cranes and hoists annually.
• The comprehensive annual output value of the company reached 15 billion RMB in 2014[2][3].

Research and Development

R&D Center

• The company has a dedicated Research & Development Center that provides advanced technology support.
• The technical department includes specialized design rooms for gantry cranes, bridge cranes, hoists, electric apparatus, and craft design, among others[2].

Innovation and Collaboration

• DQCRANES collaborates with famous European machinery manufacturers such as Britain SZW, German NORD, SIEMENS, and French Schneider.
• This collaboration ensures that the components and final products meet and exceed international standards[3].

Product Range

Types of Cranes

• DQCRANES manufactures a variety of cranes, including overhead cranes, gantry cranes, jib cranes, port cranes, and container cranes.
• The product line also includes European-style electric hoists and other lifting equipment[3][4].

Customized Solutions

• The company offers customized crane services to meet specific material handling requirements of various industries.
• Products are designed and manufactured to cater to industries such as steel, electric power, petrochemical, machine building, war industry, warehouse logistics, and papermaking[1][3].

Quality and Certifications

Quality Standards

• DQCRANES adheres to national standards and has passed ISO9001 international quality system certification, ISO14004 environment management system certification, and OHSA18001 occupational health and safety management system certification[3].

Employee Expertise

• The fabrication craftsmen are certified, skilled, and experienced. Many employees participate in ongoing training to enhance their professional skills[2].

Global Reach

International Presence

• DQCRANES supplies cranes and lifting equipment to various countries and regions, including South Africa, Malaysia, United Arab Emirates, Singapore, Canada, Saudi Arabia, Philippines, Australia, United States, Thailand, United Kingdom, Indonesia, Egypt, India, Brazil, Sweden, and Taiwan, among others[3].

Competitive Pricing

• The company offers competitive pricing for its products and services, comparable to local manufacturers and suppliers in different regions[3].

Conclusion

DQCRANES stands out as a leading crane manufacturer and supplier with a strong focus on innovation, quality, and customer satisfaction. With advanced manufacturing facilities, a robust R&D center, and a global reach, the company is well-positioned to meet the diverse material handling needs of various industries worldwide.

Overhead Crane

Overview of Overhead Cranes at Eurocrane Group

Introduction

Eurocrane Group is a renowned manufacturer and service provider of cranes and material handling products. Their overhead cranes are designed with unparalleled performance, light weight, maximum safety, and high operating efficiency.

Types of Overhead Cranes

Single Girder Overhead Crane

• Description: The single girder overhead crane features one bridge girder that supports the trolley and hoist. This design is compact and efficient.
• Key Features:
• Ergonomic operator cabin/control cabin for real-time monitoring of the crane’s operating status.
• Dependable safety devices and a comfortable operating environment.
• Calculations of crane structures are in accordance with the FEM booklet 3 – Design Stresses in the Structure.
• Available with dual hoists for increased versatility[2].

Double Girder Overhead Crane

• Description: Double girder overhead cranes have two bridge girders, offering higher load capacities and more robust construction.
• Key Features:
• Compact design with light deadweight and small wheel pressure.
• Even load distribution, which saves investment and improves available working space.
• Maximum load capacity up to 100 tons.
• Designed to solve various applications with high operating efficiency and reliability[2].

Components and Features

Operator Cabin/Control Cabin

• Ergonomic Design: Ensures operator comfort and ease of operation.
• Real-Time Monitoring: Allows operators to monitor the operating status of the crane, lifting hook, and lifted goods.
• Safety Devices: Equipped with dependable safety devices to ensure safe operation[2].

Hoisting Mechanism

• Dual Hoists: Available on some models, providing the ability to handle different types of loads simultaneously.
• Load Capacity: Ranges from a few tons to as high as 100 tons depending on the crane model[2].

Structural Integrity

• Calculations and Standards: Crane structures are calculated according to the FEM booklet 3 – Design Stresses in the Structure, ensuring robust and reliable construction.
• Girder Deflection: Calculated girder deflection with rated load and trolley at the center of the span is provided to ensure stability and safety[2].

Applications and Industries

Industrial Use

• Versatility: Eurocrane’s overhead cranes are designed to solve various applications across different industries.
• High-End Manufacturing: Used in high-end equipment manufacturing, transportation and logistics, paper-making, energy and power, automobiles, and ships.
• Other Industries: Also applied in metal processing, aeronautics, astronautics, and other specialized fields[5].

Specific Industry Uses

• Metallurgy: Ideal for handling heavy loads in metallurgical processes.
• Mining: Used for material handling in mining operations.
• Nuclear Power and Energy: Employed in the nuclear and energy sectors for precise and safe material handling.
• Paper-making: Utilized in paper mills for efficient material handling.
• Petrochemical Industry: Applied in petrochemical plants for handling hazardous materials safely.
• Rail Transit: Used in rail transit systems for maintenance and material handling.
• Ships: Employed in shipbuilding and repair yards.
• Tunneling Construction: Used in tunneling projects for efficient material transport.
• Waste Disposal: Utilized in waste disposal facilities for safe and efficient handling.
• Wind Power: Applied in wind power projects for handling heavy components[5].

Quality and Safety Standards

Compliance with Standards

• FEM Standards: Crane structures comply with FEM booklet 3 – Design Stresses in the Structure.
• Safety Features: Equipped with dependable safety devices and ergonomic operator cabins to ensure safe operation[2].

Quality Assurance

• Manufacturing Excellence: Eurocrane focuses on innovation, adopting new ideas and developing new products to ensure high-quality and reliable performance.
• Lifecycle Services: Offers full lifecycle services for its products, including installation, commissioning, service, maintenance, and repairs[5].

Conclusion

Eurocrane Group’s overhead cranes are engineered to provide maximum efficiency, safety, and reliability across a wide range of industries. With their robust construction, advanced features, and compliance with international standards, these cranes are ideal for various material handling needs. Whether it is a single girder or double girder crane, Eurocrane’s products are designed to meet the specific requirements of different industrial applications.

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 boasts a workforce of 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

Crane Types

Sinoko Cranes offers a wide range of crane products, including:
– Europe Type Double Girder Overhead Crane: Known for its advanced configuration and high efficiency.
– CXSM Double Beam Open Winch Electric Overhead Crane: Designed for heavy-duty applications.
– Double Girder Overhead Crane: Suitable for high work intensity and increased durability.
– European Single Girder Gantry Crane: Cost-effective and suitable for lighter workloads.
– European Gantry Crane: Offers flexibility and low failure rates.
– Hydraulic Grab Overhead Crane: Specialized for handling large materials like mineral, pig iron, scrap steel, and garbage.
– Magnet Handling Overhead Bridge Crane: Designed for handling magnetic materials.
– Container Lifting Gantry Crane: Used for container handling.
– Truss Structure Gantry Crane: Known for its structural integrity and versatility.

Customization Options

Sinoko Cranes offers customization options for their cranes, such as the choice between single girder and double girder models, depending on the customer’s workload and budget. The cranes can be configured to meet specific requirements, including different spans, lifting heights, and control modes (pendant control, remote control, cabin control).

Key Features of Sinoko Cranes

European-Style Crane Characteristics

• Slim Size and Light Weight: Optimized for space efficiency.
• Excellent Free Maintenance Performance: Designed for minimal maintenance needs.
• Continuing Working Efficiency: Ensures high operational reliability.
• Advanced Configuration: Includes features like galvanized steel rope, disc brake for lifting safety, and hardened reducer.
• PLC Lifting Limit Switch: Enhances safety and precision.

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)
– Certification: CE, ISO9001: 2000, ISO9001: 2008

Maintenance and Operation

Maintenance Requirements

To ensure the normal operation of the cranes, regular maintenance is crucial. This includes checking the crane’s mechanical and electrical components, lubrication, and performing routine inspections.

Operational Safety

Sinoko Cranes emphasize safety features such as disc brakes and PLC lifting limit switches to ensure safe and reliable operations.

Customer Inquiry and Support

Query Process

When inquiring about crane supplies, customers are advised to provide detailed information, including:
– Lifting capacity
– Span
– Lifting height
– Travelling length
– Industrial voltage and frequency
– Control mode
– Need for rail and bus bar
– Main lifting material

This information helps Sinoko Cranes to tailor the crane solutions to the customer’s specific needs.

Future Developments and Exhibitions

Expansion and Growth

Sinoko Cranes is expanding its production scale and plant area to meet long-term development needs.

Exhibitions and Events

The company participates in international exhibitions such as Metec Düsseldorf and the China (Shanghai) International Heavy Machinery Equipment Exhibition to showcase their latest innovations and solutions in lifting equipment.

By focusing on cutting-edge technology, European standards, and customer-specific solutions, Henan Sinoko Cranes Co., Ltd. positions itself as a leading manufacturer in the crane industry.

Overhead Crane Operation China Manufacturer Guide

Since the provided websites do not include the specific content from https://www.sourcifychina.com/overhead-crane-operation/, I will create a comprehensive guide based on the general best practices and detailed information from the other sources.

Guide to Operating an Overhead Crane Safely and Efficiently

Introduction

Overhead cranes are powerful and essential pieces of equipment in industrial settings, such as warehouses, assembly lines, and manufacturing facilities. They are designed to lift and move heavy loads efficiently, but their operation requires strict adherence to safety protocols and operational guidelines to prevent accidents and ensure a safe working environment.

Pre-Operational Checks and Preparation

Before Lifting

• Load Securing: Ensure the load is securely attached to the hoist and does not exceed the crane’s load limits, whether the boom is extended or not. The hoisting mechanism should be in good condition[1][3][5].
• Equipment Inspection: Check the crane’s safety devices, such as breakers, sound and light systems, and signals, to ensure they are fully functional and sensitive[2][5].
• Pre-Shift Inspections: Perform pre-shift inspections to verify that all components, including the hoist rope, hook, and controls, are in good working condition. This includes checking for kinks or twists in the hoist rope and ensuring the hook latch is closed[3][5].

Operational Guidelines

During the Lift

• Focus and Communication: The operator must remain focused during operation and follow signals from the signal person or lift director. Emergency stop signals should be acknowledged immediately[1][2][3].
• Load Movement: Keep the crane’s movement fluid and controlled. Avoid sudden acceleration and deceleration of the load, and minimize swinging. Ensure the load path is clear of obstructions[1][3][4].
• Weight Verification: Verify that the load is within the working load limit of the crane, hoist, and rigging components before making the lift[3].

Safety Protocols

General Safety Rules

• No Riding on Loads: Personnel should never ride on a load being lifted by the crane[1][4][5].
• Clear Work Area: Ensure the crane runway is clear of obstructions and personnel during operation. Do not pass loads over workers[1][2][5].
• Grounding: Ensure the crane is properly grounded to prevent electrical shock, especially when the trolley rail is not welded to the main girder[2].

Post-Operational Procedures

Exiting the Crane Booth/Leaving Crane Operation

• Load Placement: When finishing the operation, place any attached load on the floor or another surface that relieves the hoist of the lifted load. Raise the hook to a mid-extension position and secure it in a designated safe area[1][5].
• Controller Position: Ensure all controllers are in the off position before closing the main line disconnect device. Switch off the power and lock the cabin door[1][3][5].

Maintenance and Inspection

Regular Inspections

• Classification of Inspections: Inspections should be divided into four general classifications: pre-shift inspections, monthly inspections, quarterly inspections, and annual inspections. Each type of inspection has specific checks to ensure the crane’s safety and functionality[5].
• Maintenance Procedures: After servicing, inspecting, or repairing the crane, ensure all guards are replaced, locks removed, safety devices reactivated, and maintenance personnel and their equipment are cleared from the area before returning the crane to operation[5].

Training and Certification

Importance of Training

• Safety Enhancement: Overhead crane operator training is crucial for enhancing safety on the worksite. Trained operators are less likely to pose hazards to fellow staff and the work environment[1][3][4].
• Certification Requirements: Operators must be certified by passing practical and written examinations through a national certifying body such as the CCO (National Commission for the Certification of Crane Operators). Certification includes complying with the CCO’s Code of Ethics and Substance Abuse Policy[1][3].

Training Content

• Operational Techniques: Training should include proper operating techniques, pre-operational inspections, and safety measures. It should also cover the basics of rigging and maintenance of overhead cranes[3][4].
• Hands-On Training: Training programs should include interactive classroom workshops and hands-on activities to ensure operators are proficient in operating the crane safely and efficiently[3].

Conclusion

Operating an overhead crane safely and efficiently requires a thorough understanding of pre-operational checks, operational guidelines, safety protocols, post-operational procedures, and regular maintenance. Ensuring that operators are properly trained and certified is essential for maintaining a safe and competent worksite. By following these guidelines, industrial facilities can minimize risks and optimize the use of overhead cranes.

Overhead Crane Operator Salary China

Guide to Overhead Crane Operator Salaries in China

Overview

The salary for an Overhead Crane Operator in China varies based on location, experience, and other factors. Here is a detailed breakdown of the salary structure and additional compensation.

Average Salary

• The average gross salary for an Overhead Crane Operator in China is ¥150,426 per year.
• This translates to an equivalent hourly rate of ¥72.

Location-Specific Salaries

National Average

• The national average salary for Overhead Crane Operators is ¥150,426[5].

Shanghai

• In Shanghai, the average gross salary is ¥172,885, which is 15% higher than the national average.
• This equates to an hourly rate of ¥83[4].

Additional Compensation

Bonuses

• Overhead Crane Operators in China typically earn an average bonus of ¥3,039 per year[5].

Factors Influencing Salary

Experience

• While the source does not provide specific salary ranges based on experience, it is common for salaries to increase with more years of service and expertise.

Location

• Salaries can vary significantly depending on the location. For example, Shanghai offers higher salaries compared to the national average.

Industry Standards

• The salaries for Overhead Crane Operators are part of the broader construction and manufacturing industry standards in China.
• These salaries reflect the level of skill, training, and responsibility associated with operating overhead cranes.

Conclusion

The salary for an Overhead Crane Operator in China is substantial, especially in major cities like Shanghai. Understanding the average salary, location-specific variations, and additional compensation can help both employers and employees make informed decisions about employment and career development.

DQCRANES Training Service

DQCRANES Training Service: A Comprehensive Guide

Overview of DQCRANES Training Services

DQCRANES offers a robust training program designed to turn individuals into professional crane operators, enhancing their skills and ensuring safe and efficient crane operation.

Components of the Training Program

Theory-Based Training

Understanding Equipment and Safety

• The training begins with a thorough understanding of the crane equipment, including its components and how to safely operate it.
• Operators learn about the importance of adhering to the manufacturer’s specifications and relevant safety standards issued by organizations such as the Canadian Standards Association (CSA) and the American Society of Mechanical Engineers (ASME)[5].

Health and Safety Legislation

• Training includes an explanation of occupational health and safety legislation that applies to crane operators, ensuring they are aware of their responsibilities and the regulations governing their work environment.

Practical Training

Hands-On Operation

• Practical training involves hands-on operation of the crane equipment while handling typical loads for the workplace.
• This component is crucial for operators to gain real-world experience and understand the practical aspects of crane operation.

Performance Evaluation

• The practical training includes a formal evaluation of the student’s performance, with written procedures and evaluation criteria.
• The results of the evaluation are summarized in a written record for each student, ensuring a comprehensive assessment of their skills.

Specific Training Topics

Identifying Cranes and Their Components

• Training covers the identification of different types of cranes (overhead cranes, gantry cranes, jib cranes, etc.) and their components.
• Understanding the specific parts and their functions is essential for safe and efficient operation.

Pre-Operational Requirements

• Operators are taught pre-operational checks, including ensuring all rotating devices are correctly installed and functioning properly.
• This includes checking the crane’s brake system, lubrication points, and electrical equipment[4].

Operational Requirements

• The training addresses operational requirements such as load handling techniques, determining the safest route and destination of loads, and selecting appropriate rigging equipment.
• Operators learn how to determine load weight and its center of gravity, and identify if a lift is a critical lift requiring additional planning[5].

Post-Operating Requirements

• Training includes procedures for parking and shutting down the crane safely and securely.
• Operators are also taught the importance of maintaining good housekeeping habits and emergency response procedures for various situations such as electrical or mechanical failure[5].

Rigging Components and Inspection

• The training covers rigging components, inspection criteria, and rejection criteria to ensure that all rigging equipment is in good condition and safe to use.
• Regular inspection and maintenance of the crane and its components are emphasized to guarantee safety during operation[3].

Additional Training Aspects

Site-Specific Training

• Training is tailored to meet site-specific requirements, ensuring that operators are familiar with the unique conditions and hazards of their workplace.
• This includes understanding universal and site-specific crane signals for lifting operations[5].

Supervisor Training and Responsibility

• Supervisors are also trained on their responsibilities, including ensuring that operators are competent and following safety protocols.
• Supervisors learn how to monitor and evaluate operator performance and provide necessary feedback and training[3].

Training Certification and Renewal

Initial Certification

• Upon completing the training program, operators receive a certification that is typically valid for three years.
• The certification process includes both theory and practical components, ensuring a comprehensive understanding of crane operation and safety[5].

Refresher Training

• Every three years, operators are required to take a one-day refresher course to renew their certification.
• After six years, it is recommended that operators take a full training course again to ensure their skills and knowledge are up-to-date[5].

Support and Resources

Complimentary Technical Support

• DQCRANES provides complimentary technical support to all their customers, ensuring that operators have ongoing assistance and resources.
• This support helps in addressing any issues or questions that may arise during crane operation and maintenance[2].

By following this structured training program, DQCRANES ensures that crane operators are not only skilled but also well-versed in safety protocols, making them competent and reliable in their roles.

Overhead Crane 20t load

Double Girder Overhead Crane with Dual Hoist: A Comprehensive Guide

Introduction

Double girder overhead cranes with dual hoists are sophisticated lifting solutions designed for heavy-duty applications, offering unparalleled performance, safety, and efficiency. This guide provides an in-depth look at the key features, benefits, and specifications of these cranes.

Design and Construction

Main Beam Structure

• The crane features a robust double girder design, typically with a box-shaped main beam. This structure ensures high strength, rigidity, and stability, making it ideal for heavy-duty lifting operations[2].

Materials and Build

• Constructed from high-quality structural steel, these cranes meet or exceed industry standards such as CMAA, OSHA, and ANSI specifications. The use of durable materials ensures a long service life and reliable performance[1].

Performance and Operation

Lifting Capacity

• Double girder overhead cranes can handle a wide range of lifting capacities, from 20 tons to over 500 tons, making them suitable for various heavy lifting projects[2].

Speed and Efficiency

• These cranes are designed for high-speed operation, enhancing production efficiency in demanding environments. They can be equipped with frequency conversion motors for improved safety, reliability, and stability[2].

Hoist Options

• The cranes can be fitted with dual hoists, allowing for simultaneous lifting of different loads or for handling larger and more complex loads. This feature is particularly useful in applications where multiple lifting tasks need to be performed concurrently[5].

Safety Features

Motor and Electrical Systems

• The cranes are equipped with advanced motor systems, such as double or triple reduction parallel shaft, helical/spur reducers, which are splash lubricated for dependable service and longer life. Thermal detectors in the motor windings provide overload protection and comply with the latest National Electric Code standards[1].

Structural Integrity

• The cranes are built with a minimum deflection of 1/600 and a built-in safety factor of 5 to 1, ensuring structural integrity and safety during operation[1].

Customization and Versatility

Span and Lifting Height

• Double girder cranes can handle wider spans compared to single girder cranes, making them suitable for larger workspaces. The span can range from several meters to over 60 feet, and the lifting height can be customized to meet specific application requirements[2][3].

Hook Attachments

• These cranes can be fitted with various hook attachments to accommodate different lifting needs, making them versatile for a range of industries and applications[2].

Maintenance and Service

Regular Inspections

• Regular and thorough inspections are crucial to ensure compliance with safety standards and regulations. Certified technicians perform these inspections to maintain the crane’s optimal condition[3].

Maintenance and Repairs

• Preventive maintenance and repair services are available for all makes and models of cranes, including 24/7 emergency breakdown service. This ensures minimal downtime and maximum operational efficiency[3].

Applications and Industries

Heavy Industry

• Double girder overhead cranes are frequently used in heavy industries such as steel production, automotive, construction, mining, and oil & gas, where heavy-duty lifting is a regular requirement[2][3].

Other Industries

• These cranes are also used in various other industries, including aerospace, defense, food processing, and utilities, where reliable and efficient material handling is essential[3].

Cost and Pricing

Factors Affecting Cost

• The price of a double girder overhead crane varies based on factors such as lifting capacity, span length, lifting height, and configurations. Additional considerations like materials used and custom features also impact the cost[2].

General Price Range

• The cost can range widely depending on the specifications, but generally, the price increases with the lifting capacity and complexity of the crane system[2].

Conclusion

Double girder overhead cranes with dual hoists are powerful tools for heavy-duty lifting applications, offering a combination of high performance, safety, and efficiency. By understanding the design, performance, safety features, and customization options, users can make informed decisions to meet their specific lifting needs. Regular maintenance and inspections are key to ensuring the long-term reliability and safety of these critical pieces of equipment.

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 EOT (Electric Overhead Traveling) cranes, are designed for various industrial applications requiring heavy-duty lifting and moving of loads. Here is a comprehensive guide to these cranes, covering their structure, specifications, features, and applications.

Structure and Components

Main Components

• Double Girder Bridge: The crane consists of two girder beams that make up the bridge, supported by an end truck on each side.
• Lifting Trolley: The electric hoist or winch trolley runs on a rail installed above the bridge girders.
• Crane Traveling Mechanism: This includes the end trucks and the rails along which the crane travels.
• Electrical System: This encompasses the control systems, motors, and electrical parts necessary for the crane’s operation[1][3][5].

Specifications

Capacity and Span

• Load Capacity: Ranges from 3 tons to 200 tons, with common models including 5 tons, 10 tons, 15 tons, 20 tons, and combinations like 32/5 tons[1][3][5].
• Span: Can vary from 6 meters to 42 meters, with some models offering customized spans[1][3][5].

Lifting Height and Work Duty

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

Control and Operation

• Control Method: Can be operated via remote control or cabin control[1][3][5].
• Lifting Speed: Generally 0-8 meters per minute, with some heavy-duty models reaching up to 0-10 meters per minute[1][3][5].
• Cross Travel and Long Travel Speeds: Typically 0-20 meters per minute, with some models reaching up to 0-30 meters per minute or even 0-80 meters per minute for heavy-duty cranes[1][3][5].

Electrical and Mechanical Parts

• Electrical Parts: Often from reputable brands such as CHINT or Schneider[1][3][5].
• Motors: Usually from Chinese or international brands known for their reliability[1][3][5].
• Bearings: Typically from Chinese famous brands like “HRB”[1][3][5].
• Hooks: Forged hooks with safety locks are standard[1][3][5].

Features

Cost Efficiency and Production

• Cost Reduction: Designed to cut down costs in building and maintaining plant and workshop infrastructure[1].
• Improved Production Efficiency: Enhances productivity by facilitating smooth and efficient material handling[1].

Maintenance and Safety

• Reduced Maintenance: Built with components that minimize daily maintenance needs[1].
• Safety Features: Equipped with high-performance safety features, including safety locks on hooks and robust electrical systems[1].

Customization and Versatility

• Customization Options: Available for different operating conditions, offering one-stop solutions for various industrial needs[1].
• Variable Frequency Drives: Optional for more precise control over crane movements[1][3][5].

Applications

Industrial Use

• Steel Plants: Suitable for steel production and processing facilities[1][3][5].
• Cement Plants: Used in cement manufacturing and handling[1][3][5].
• Power Plants: Employed in power generation and distribution facilities[1][3][5].
• Mine Industry: Utilized in mining operations for heavy lifting and material transport[1][3][5].
• Food, Chemical, and Other Industries: Applicable in various sectors such as food processing, chemical plants, cable plants, machine tools, car/truck industry, and more[1][3][5].

Work Environments

• Pre-Engineered Steel Buildings: Ideal for use in pre-engineered steel buildings and workshops[1][3][5].
• Warehouses and Goods Yards: Used in warehouses and goods yards for loading and unloading operations[1][3][5].

Packaging and Shipping

Packaging Details

• Electric Parts: Packed in high-quality plywood crates to prevent distortion and damage during transport[1][3][5].
• Main Beams and End Beams: Wrapped in plastic woven cloth to reduce abrasion[1][3][5].

Shipping Methods

• Container or Bulk Shipping: The entire crane set can be shipped via container or bulk transport[1][3][5].

After-Sales Service and Warranty

Warranty

• Warranty Period: Typically 1 to 2 years, depending on the model and supplier[2][5].

After-Sales Service

• Installation Support: Overseas installation services and installation videos are provided to assist in the setup[5].
• Spare Parts and Manuals: Free spare parts within the warranty period, along with installation and operation manuals[5].
• 24/7 Online Service: Continuous customer support available[5].

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, including warehouses, workshops, steel plants, and hydro-power stations. This guide provides a comprehensive overview of its specifications, types, and applications.

Types of Single Girder Overhead Cranes

LD Traditional Single Girder Overhead Crane

• Capacity: Ranges from 1 to 20 tons[5].
• Span: Typically spans from 7.5 to 31.5 meters[2][4].
• Lifting Height: Can be customized but commonly ranges from 6 to 30 meters[2][4].
• Working Class: Classified under A3 and A4, indicating light to medium duty[5].
• Lifting Speed: Usually 8 m/min or 8/0.8 m/min[2][5].
• Trolley Speed: Typically 20 m/min[2][5].
• Crane Speed: Also 20 m/min[2][5].

HD European Type Single Girder Overhead Crane

• Capacity: Ranges from 1 to 20 tons, with specific models up to 32 tons[1][5].
• Span: Generally spans from 7.5 to 28.5 meters[1][5].
• Lifting Height: Commonly ranges from 6 to 18 meters[1].
• Working Class: Classified under A5, indicating medium to heavy duty[1].
• Lifting Speed: Typically 0.8/5 m/min[1].
• Trolley Speed: Ranges from 2 to 20 m/min[1].
• Crane Speed: Ranges from 3 to 30 m/min[1].

LX Single Girder Suspension Crane

• Capacity: Ranges from 0.5 to 10 tons[1].
• Span: Typically spans from 3 to 22.5 meters[1].
• Lifting Height: Commonly ranges from 6 to 30 meters[1].
• Working Class: Classified under A3-A4[1].
• Lifting Speed: Usually 8 m/min or 8/0.8 m/min[1].
• Trolley Speed: Typically 20 m/min[1].

Key Specifications

Span and Lifting Height

• The span of a single girder overhead crane can vary widely, typically from 7.5 to 31.5 meters, depending on the model and type[2][4].
• Lifting heights are customizable but generally range from 6 to 30 meters[2][4].

Lifting and Traveling Speeds

• Lifting speeds are often dual-speed, such as 8 m/min or 8/0.8 m/min for LD and LX types, and 0.8/5 m/min for HD types[1][2][5].
• Trolley and crane traveling speeds are usually around 20 m/min, with some models offering up to 30 m/min[2][5].

Motor and Power

• Lifting motors typically range from 7 to 13 kW depending on the capacity and type of the crane[3].
• Trolley motors are generally smaller, around 0.8 kW[3].

Dimensions and Weight

• The overall dimensions, including rail top to crane top, crane base distance, and crane width, vary based on the span and capacity of the crane[2][3].
• Total weight of the crane can range from a few tons to over 14 tons for larger capacities[3].

Applications and Industries

Warehouses and Workshops

• Single girder overhead cranes are ideal for warehouses and workshops due to their compact design and efficient lifting capabilities.

Steel Plants and Hydro-Power Stations

• These cranes are also widely used in steel plants and hydro-power stations where heavy lifting is required[4].

Customized Solutions

• Cranes can be customized to fit specific application environments, including low headroom designs for limited lifting spaces[5].

Installation and Maintenance

Track and Rail Requirements

• The crane requires a suitable track and rail system, such as P18 or P24, to ensure smooth operation[1][3].

Regular Maintenance

• Regular maintenance is crucial to extend the lifespan of the crane. This includes checking the hoisting system, trolley, and crane motors, as well as lubricating moving parts.

Safety Considerations

Load Capacity

• Ensure that the load does not exceed the crane’s rated capacity to prevent accidents.

Operator Training

• Operators should be trained to use the crane safely and efficiently.

Periodic Inspections

• Regular inspections should be conducted to identify and repair any potential issues before they become major problems.

Conclusion

A Chinese Standard Single Girder Overhead Crane is a reliable and efficient lifting solution for various industrial needs. Understanding its types, specifications, and applications can help in selecting the right crane for your specific requirements. Proper installation, maintenance, and safety measures are essential to ensure the crane operates safely and effectively.

Frequently Asked Questions (FAQs)

What are the primary objectives of crane operator training?

The primary objectives of crane operator training are to improve safety, enhance productivity, and reduce maintenance costs. These training programs are designed to equip operators and supervisory personnel with the necessary knowledge and skills to operate cranes safely and efficiently. The training focuses on reducing human errors, which are a common cause of crane accidents, and ensures that operators are aware of local requirements and best practices for crane operation.

What topics are typically covered in crane operator training?

Crane operator training typically covers a wide range of topics to ensure comprehensive understanding and safe operation. These include the function of all major crane components and assemblies, minimum qualifications and requirements for a crane operator, daily crane inspection procedures as required by local governing bodies, and the four rules of safe and proficient crane operation. Additional topics may include precise spotting of loads, making precision lifts, proper techniques to minimize load swing, recommended hand signals, and basic rigging procedures to attach the load to the hook.

What are the admission requirements for crane operator training?

Admission requirements for crane operator training can vary depending on the jurisdiction and the specific training provider. However, common requirements include having a valid identification document, such as a permanent resident ID card or a working visa, especially in regions like Hong Kong. Applicants may also need to meet specific age and health standards, and some programs may require prior experience or basic knowledge of crane operations.

How is certification obtained and what is its validity?

Certification for crane operators is typically obtained by completing a training course and passing both a written and practical examination. For instance, in Hong Kong, operators must achieve 100% attendance and pass the examinations to receive a certificate, which is recognized by the Labour Department and has a validity of five years. The certification process often involves a theory refresher session, a written test, and a practical test, ensuring that operators are competent in both theoretical knowledge and practical skills.

Who provides and regulates crane operator training and certification?

Crane operator training and certification are often provided and regulated by authorized organizations and government bodies. In Hong Kong, for example, the Construction Industry Council is responsible for implementing refresher training, testing, and certification for construction crane operators. Other approved training course providers include various industry associations, unions, and companies that have been specified by the Commissioner for Labour. These organizations ensure that the training meets the required standards and regulations, such as those stipulated under the Factories and Industrial Undertakings (Lifting Appliances and Lifting Gear) Regulations.