In the rapidly evolving industrial landscape of China, the safe and efficient operation of overhead cranes is paramount for ensuring workplace safety, maximizing productivity, and reducing operational costs. Overhead crane training is not just a regulatory requirement, but a critical component of any comprehensive workplace safety program.

This in-depth guide delves into the world of overhead crane training in China, highlighting its indispensable role in modern industrial operations. Readers will gain insights into the various categories of crane training, including technical, safety, and installation training, and understand the importance of accreditation from reputable bodies such as the National Commission for the Certification of Crane Operators (NCCCO) and the American National Standards Institute (ANSI).

You will learn about the different types of crane operators that require specialized training, from mobile and tower crane operators to overhead and articulating crane operators. The guide will also explore the benefits of both third-party and in-house training programs, helping you determine the best approach for your organization.

Moreover, this guide will emphasize the critical

Overhead and Gantry Crane Safety (Chinese) 高架和龙门 …

Overhead and Gantry Crane Safety Guide

Introduction

Overhead and gantry cranes are crucial pieces of equipment in various industries, including manufacturing, construction, and warehousing. However, their operation poses significant safety risks if not managed properly. This guide outlines the key aspects of overhead and gantry crane safety, including operator responsibilities, pre-operation checks, and safe operating procedures.

Characteristics of Overhead and Gantry Cranes

• Overhead Cranes: These cranes have a movable bridge that carries a movable trolley supporting the hoisting mechanism, traveling on an overhead fixed runway structure.
• Gantry Cranes: Similar to overhead cranes but with a bridge rigidly supported on two or more legs, running on fixed rails or a similar runway, usually on the ground.

Operator Responsibilities

Before the Lift

• Inspection: Conduct a thorough inspection of the crane, including the control pendant, ladders, stairways, and raised walkways. Check for any damaged or missing parts[3].
• Pre-Operation Check: Test each function of the operating controls, operate the crane a few feet in each direction, check the upper limit switch, and verify the wire rope is spooling properly on the drum[3].

During the Lift

• Signal Compliance: Respond to all signals from a lift director or designated signalperson.
• Load Verification: Ensure the load is within the working load limit of the crane, hoist, and components used in rigging. Verify the weight of the load without using a load-limiting device[2].
• Safe Lifting: Minimize swinging of the load, avoid sudden acceleration and deceleration, and ensure the load and rigging are free to move and clear all obstructions[2].

After the Lift

• Load Placement: Slowly lower the load to its set-down point. Never carry a load over the top of someone.
• Post-Operation: Return the load block to its designated location after use. Do not leave the load block low enough for someone to run into, and never leave a suspended load unattended[3].

Safety Standards and Regulations

OSHA and ASME Standards

• While OSHA does not specify overhead crane training requirements, the American Society of Mechanical Engineers (ASME) provides detailed standards through the B30 Committee, particularly the ASME B30.2 standard for Overhead and Gantry Cranes[2].
• These standards cover the construction, installation, operation, inspection, testing, maintenance, and use of cranes and other lifting equipment.

Compliance with Standards

• Training Specificity: Training must be specific to the equipment and task at hand[2].
• Regular Updates: Standards are reviewed and updated every few years to reflect technological advances, new data, and evolving industry needs[2].

Pre-Operation and Inspection Safety

Control Pendant Inspection

• Check for any damage or malfunction in the control pendant and associated components[3].

Crane and Hoist Inspection

• Inspect the crane and hoist for any signs of wear or damage. This includes checking the wire rope, hooks, and other rigging components[3].

Below-the-Hook Device Inspection

• Inspect spreader bars, shackles, pulleys, and slings for any damage before use[3].

Safe Operating Procedures

Starting the Lift

• Start the lift slowly to minimize swinging of the load. Ensure the rigging job is properly holding and there is no slipping[3].

Moving the Load

• Raise the load high enough to clear any obstacles in one smooth motion. Avoid abrupt moves and never pull the load sideways, as this can cause serious damage or catastrophic crane failure[3].

Load Placement and Securing

• Use tag lines if the load needs to be turned for placement. Keep hands away from pinch points and stop when the load block is low enough to unhook the sling[3].

Required Safety Practices

General Safety

• Never move a load over co-workers or permit co-workers to walk underneath the load.
• Do not leave unused slings suspended on a crane hook where they could become snagged on passing equipment.
• Continuously observe equipment for any sign of problems during operation and avoid becoming careless or distracted[3].

Emergency Procedures

• Know the location of the main disconnect switch and use it in case of an emergency. If the crane does not have a disconnect box nearby, use the stop button on the control pendant to cut off all power to the crane[3].

Training and Certification

Comprehensive Training Programs

• Training programs should include multimedia presentations, interactive discussions, and hands-on activities. These programs should cover health and safety standards, preventative maintenance, and proper operating techniques[2][4].

Certification

• Upon successful completion of the training course, participants should receive a certificate of completion. This ensures that operators are qualified and knowledgeable about safe crane operation[2][4].

Conclusion

Operating overhead and gantry cranes safely requires a combination of thorough training, adherence to safety standards, and diligent pre-operation checks. By understanding and following these guidelines, operators can significantly reduce the risks associated with crane operations, ensuring a safer and more efficient work environment.

Behind the Scenes: Inside Overhead Crane Factories in China

Guide to Overhead Crane Manufacturers in China

Introduction

China has emerged as a significant player in the global market for overhead cranes, driven by its large manufacturing capacity and relatively low labor costs. This guide provides an in-depth look at the top overhead crane manufacturers in China, their capabilities, advantages, and potential challenges.

Top Overhead Crane Manufacturers in China

Henan Weihua Heavy Machinery Co., Ltd.

• Established: 1989
• Headquarters: Anyang City, Henan Province
• Products: Lifting machinery, construction machinery, special vehicles, overhead cranes, and gantry cranes
• Market Position: Leads in the production and sales of overhead cranes and gantry cranes in China
• Revenue: Reached 12.2 billion yuan in 2018
• Capabilities: Design, research and development, production, and sales of a wide range of lifting machinery[1].

Zoomlion Heavy Industry Group Co., Ltd.

• Established: 1993
• Headquarters: Changsha, Hunan Province
• Products: Bridge cranes, tower cranes, and other construction machinery
• Capabilities: Advanced production equipment and technology to provide high-quality products and services
• Market Position: One of the leading construction machinery manufacturers in China[1].

Langfang Hongqi Heavy Machinery Co., Ltd.

• Established: 1958
• Headquarters: Langfang City, Hebei Province
• Products: Bridge cranes and other heavy machinery
• Capabilities: Rich experience and technology, with product quality and performance leading in China
• Recognition: Widely recognized and praised for product quality[1].

Hebei Yabang Heavy Industry Machinery Co., Ltd.

• Established: 1998
• Headquarters: Tangshan City, Hebei Province
• Products: Bridge cranes, gantry cranes, and other lifting equipment
• Capabilities: Many years of experience and technology, with leading product quality and performance in China[1].

Hebei Shuangma Heavy Industry Machinery Manufacturing Co., Ltd.

• Established: 2002
• Headquarters: Xingtai City, Hebei Province
• Products: Bridge cranes, gantry cranes, and other heavy machinery
• Capabilities: Skilled team and efficient production equipment, with widely recognized product quality and performance[1].

Other Notable Manufacturers

Henan Sinoko Cranes Co., Ltd.

• Headquarters: Henan Province
• Products: Bridge cranes, gantry cranes, jib cranes, and electric hoists
• Capabilities: Cutting-edge technology and adherence to European standards, with advanced manufacturing and testing equipment[2].

Henan Dongqi Machinery Co., Ltd

• Type: Sino-New Zealand joint venture
• Products: Overhead cranes, gantry cranes, jib cranes, and electric wire rope hoists
• Capabilities: Provides complete crane and hoist solutions, including design, installation, and maintenance services. Specializes in FEM standard cranes and hoists[5].

Types of Overhead Cranes

Overhead crane manufacturers in China offer a variety of crane types to suit different industrial needs:

Bridge Cranes

• Used in various industrial settings for lifting and moving heavy loads.
• Available in single and double girder configurations.

Gantry Cranes

• Suitable for outdoor and indoor applications where a bridge crane is not feasible.
• Often used in shipyards, construction sites, and large manufacturing facilities.

Jib Cranes

• Used for lifting and moving loads within a specific radius.
• Commonly installed in workshops, warehouses, and manufacturing plants[3].

Manufacturing Process

The manufacturing process for overhead cranes in China typically involves:

Design

• Utilizes computer-aided design (CAD) software to create precise designs.

Fabrication

• Uses advanced equipment such as robotic welding systems and precision machining tools.

Assembly

• Assembles the crane components with high precision and quality control.

Testing

• Conducts thorough testing to ensure the crane meets safety and performance standards[1].

Advantages of Working with Chinese Manufacturers

Cost Savings

• Lower labor costs compared to Western countries, resulting in competitive pricing.
• Economies of scale and efficient production processes further reduce costs[1].

Advanced Technology

• Many Chinese manufacturers use cutting-edge technology and equipment to ensure high-quality products.
• Adherence to international standards such as European standards is common[2].

Potential Challenges

Language Barriers

• Communication can be a challenge due to language differences.
• Clear and effective communication is crucial throughout the entire process[1].

Cultural Differences

• Understanding and navigating cultural differences is important for successful collaboration.
• Building a strong relationship with the manufacturer can help mitigate these challenges[1].

Quality Control and Intellectual Property

• Ensuring quality control and protecting intellectual property can be concerns.
• Conducting thorough research and due diligence when selecting a manufacturer is essential[1].

Choosing the Right Supplier

Research and Due Diligence

• Research the manufacturer’s reputation, experience, and product quality.
• Check for certifications such as ISO 9001 and other relevant standards[3].

Communication

• Establish clear communication channels to ensure all requirements are met.
• Visit the factory if possible to assess the manufacturing process and facilities[5].

Customization and Support

• Look for manufacturers that offer customization options and comprehensive support services, including installation, maintenance, and repair[1][5].

By understanding the capabilities, advantages, and potential challenges of working with Chinese overhead crane manufacturers, businesses can make informed decisions and benefit from the cost savings and high-quality products offered by these manufacturers.

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 based in China. The company was established on the foundation of advanced European technology and research and development, specializing in the design, production, and customization of various types of cranes and lifting equipment.

History and Experience

With over 20 years of rich technical experience, DQCRANES has built a reputation for providing high-quality crane services and products. The company is committed to innovation and excellence in the field of material handling.

Manufacturing Capabilities

Factory and Facilities

• DQCRANES operates a large-scale factory located in 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.
• The facility is equipped with over 2000 sets of advanced manufacturing and detection devices, ensuring precision, cost-efficiency, and high-quality production.

Advanced Technology and Equipment

• The factory utilizes state-of-the-art equipment such as four guns air protection portal shaped weld, impeller blasting descaling machine, digital control plaint drill, hoist spray paint line, and various other automated and precision machinery.
• The use of advanced facilities from domestic and international brands enhances the manufacturing process.

Production Capacity

• DQCRANES has the capability to produce over 10,000 sets of cranes and hoists annually.
• The comprehensive annual output value of the company has reached significant levels, such as 15 billion RMB in 2014.

Research and Development

R&D Center

• The company boasts a robust Research & Development Center that provides advanced technology support.
• The R&D Center includes specialized design rooms for gantry cranes, bridge cranes, hoists, electric apparatus, testing, and craft design.
• More than 60 medium and superior project technicians are dedicated to meeting specific material handling requirements.

Products and Services

Types of Cranes

• DQCRANES manufactures a wide range of cranes, including:
• Overhead cranes (European-style Bridge cranes)
• Gantry cranes (common type single girder and double girder)
• Jib cranes
• Electric hoists
• Port cranes (Shore-to-Shore Quayside Container Crane, Rail Mounted Container Gantry Crane, Single Jib Portal Crane, etc.)

Customization

• The company offers customized crane services tailored to specific client needs and application environments.
• DQCRANES can design and manufacture complex cranes for various industries such as ports, harbors, shipyards, container terminals, and bulk handling.

Product Specifications

• Overhead cranes: LH type double girder (capacity 3ton to 50ton), LD type single girder (capacity 1ton to 32ton)
• Gantry cranes: applied to open warehouses or rail along for general handling
• Port cranes: include Shore-to-Shore Quayside Container Crane, Rail Mounted Container Gantry Crane, and more

Quality and Workforce

Skilled Workforce

• The company takes pride in its skilled and experienced workforce, including masters in machining, electrical, steel fabrication, painting, and shipping/receiving.
• Employees undergo various training programs to enhance their professional skills.

Quality Assurance

• DQCRANES adheres to strict European-style technology standards to ensure the overall performance of its products reaches advanced world levels.
• The fabrication craftsmen are certified, and the company emphasizes serious work attitudes, modesty, and diligence in polishing professional skills.

Applications and Industries

Industry Coverage

• DQCRANES’ products are widely applicable to multiple fields such as:
• Steel industry
• Electric power industry
• Petrochemical industry
• Machine building industry
• War industry
• Warehouse logistics
• Papermaking industry

Port and Harbor Solutions

• The company provides world-level portal crane design, manufacture, installation, and maintenance services for ports, harbors, shipyards, and container terminals.
• DQCRANES ensures the safety and reliability of port crane operations through its high-level services.

Conclusion

DQCRANES stands as a leading crane manufacturer and supplier, renowned for its innovative approach, advanced technology, and high-quality products. With a strong focus on customization, research and development, and a skilled workforce, the company meets the diverse material handling needs of various industries globally.

Overhead Crane – Gantry Crane | China Heavy Crane …

Guide to Dafang Cranes: Products, Services, and Solutions

About Dafang Crane

• Company Overview: Henan Dafang Heavy Machine Co., Ltd. is a prominent crane manufacturer equipped with advanced production and testing equipment.
• Manufacturing Capabilities: Dafang Crane produces a wide range of cranes, including gantry cranes, semi gantry cranes, overhead cranes, jib cranes, electric hoists, and more.
• Global Presence: With offices in several countries, including the Philippines, Indonesia, Malaysia, Pakistan, and Uzbekistan, Dafang Crane offers comprehensive global support.

Design Capabilities

• Customized Designs: Dafang Crane provides customized designs to meet various working conditions, with drawings available within 2 working days.
• Technical R&D Team: A team of 300 technical R&D professionals ensures innovative and intelligent products.
• Intelligent Products: Examples include low-emission unmanned overhead cranes, battery electric flat carts, fully automatic unattended slag grabs, AGV carts, and wellhead double-beam cantilever cranes.

Products Performance

• Material Preparation: Pre-processing of steel plates, shot blasting, and a marking system to improve welding quality.
• Lightweight Design: Designs that prioritize safety while ensuring long service life.
• Easy Installation: Pre-connected electrical parts and bolts in place for easy operation and installation.

Testing Center

• Non-destructive Inspection: Ultrasonic defect detectors and magnetic particle defect detectors.
• Mechanics and Chemical Inspection: Universal testing machines and impact testing equipment.
• Metallographic Analysis and Hardness Inspection: 400 times metallographic microscopes and Rockwell hardness testers.

Quality Assurance

• Raw Material Inspection: Random inspections before raw material production.
• Production Process Tracking: QC department tracks every production process.
• Pre-Delivery Checks: Ensures high-quality goods through thorough checks before delivery.

Service and Maintenance

• Spare Parts Availability: Plenty of matched spare parts in stock for immediate needs.
• Installation and Commissioning: Installation engineers can be dispatched within 48 hours for field installation and commissioning.
• After-Sales Service: Includes crane installation, commissioning, staff training, and free technical consultation.

Transportation

• Flexible Delivery Options: Delivery by bulk, container, or other suitable methods.
• Quality Supervision: Quality Test Department supervises loading to ensure no goods are left out.
• Packaging: Electric parts are packed in plywood crates to prevent distortion during conveyance.

Overhead Crane Solutions

Types of Overhead Cranes

• Single Girder Crane: Basic form, typically handles loads up to 25 tons.
• Double Girder Crane: Engineered for higher capacities, up to 450 tons, with greater efficiency and lifting speed.
• Top Running Crane: Standard overhead crane, capable of handling small to extremely large loads.
• Underhung Crane: Crane hung below the runway beams, supported by the building roof structure.

Warehouse Overhead Crane System

• System Components: Consists of one or two horizontal beams supported by parallel runways, with a hoist or trolley for movement.
• Control Methods: Can be controlled from the ground using a push button pendant, wireless remote control, or from within a cabin.
• Benefits: High efficiency, excellent safety, stable performance, and great durability.

Custom Design and Installation

• Design Considerations: Type of crane, span, rated load capacity, duty cycle, operating environment, and building structural requirements.
• Installation: Crane runway beams can be installed during the construction process or designed to fit pre-existing buildings.

Cost and Versatility

• Cost Variability: Price varies based on crane configuration and design options.
• Long-Term Value: Made from high-quality materials, these cranes can work for decades, making them cost-effective.

Gantry Crane System

Structure and Components

• Main Components: Metal structure, lifting mechanism, running mechanism, and safety protection system.
• Types of Gantry Cranes: Full gantry cranes, semi gantry cranes, cantilever gantry cranes, single beam and double beam gantry cranes, box-shaped and truss structures.

Lifting Mechanism

• Electric Hoist: Can be equipped with hooks, grab buckets, or electromagnetic chucks to handle various materials.

Running Mechanism

• Trolley and Crane Movement: Driven by three-in-one motors or two-in-one motors with independent brakes.

Safety Protection System

• Features: Lifting limiter, overload limiter, stroke limiter, bumper, and wind-resistant anti-skid device.

Applications

• Indoor and Outdoor Use: Ideal for both indoor and outdoor applications due to high site utilization, large working range, and strong versatility.
• Specific Applications: General gantry cranes, container gantry cranes, shipyard gantry cranes, and hydro-power station gantry cranes.

Selecting the Right Crane Solution

Key Considerations

• Rated Load: The maximum weight the crane needs to lift.
• Span of the Crane: The distance between the runway beams.
• Lifting Height: The maximum height the crane needs to lift loads to.
• Type of Load or Material: The nature of the materials being lifted.
• Crane Working Environment: The conditions under which the crane will operate.
• Operating Hours and Travel Distance: How many hours the crane will work per day and how many meters it will travel.

By considering these factors and leveraging Dafang Crane’s comprehensive range of products and services, users can find the most efficient, safe, and cost-effective crane solutions tailored to their specific needs.

Made In China construction Overhead Customized design …

Guide to Wholesale Mini Workshop Cranes from China

Introduction

Wholesale mini workshop cranes are essential tools for various industries, including construction, manufacturing, and logistics. These cranes are designed for lifting, handling, and moving heavy objects efficiently and safely. Here is a comprehensive guide to help you understand the key aspects of these cranes.

Product Introduction

Mini workshop cranes are designed to facilitate the production process with ease of use and high safety standards. Before using the crane, it is crucial to read the instructions and follow the operating procedures to avoid potential accidents. A test run during the first use ensures the stability and safety factor of the hoisting equipment.

Key Features

• Simple Structure and Reliable Work: These cranes have a simple structure, which makes them reliable and easy to construct quickly.
• Customizable Appearance: The appearance size of the crane can be customized according to the customer’s requirements.
• Lifting Capacity: Cranes come in various models with lifting capacities ranging from 600 kg to 3000 kg (2 tons to 3 tons).
• Rated Voltage and Rope Specifications: Typically, these cranes operate at 380V with rope diameters of 11mm to 13mm and rope lengths of 30-100 meters.
• Components: Include bridge components, motor vehicles, and other machinery components that need to be verified before installation to ensure compatibility and safety.

Parameters

Model	Lifting Weight	Rated Voltage	Rope Dia	Rope Length
2 ton	600-2000kg	380V	11mm	30-100m
3 ton	1000-3000kg	380V	13mm	30-100m

Application

Mini workshop cranes are versatile and can be used in various settings:
– Mold Manufacturing Companies: For lifting and handling heavy molds.
– Mines: For heavy-duty lifting and material transportation.
– Auto Repair Shops: For hoisting large engine parts.
– Construction Sites: For lifting and moving construction materials.
– Logistics Companies: For handling and transporting heavy goods.
– Warehouses: For lifting, repair, installation, and debugging of heavy equipment.

Safety and Maintenance

• Pre-Use Inspection: Inspect the objects to be lifted and the crane itself before use to ensure safety.
• Ground Clearance: Ensure the ground clearance is not greater than the required height to maintain the crane’s stability.
• Fire Protection: In places with high fire hazards, cranes are equipped with simple operation, convenient maintenance, and automatic fire extinguishing systems.

Payment and Delivery Terms

• Payment Terms: Acceptable payment methods include T/T, credit card, LC, and Western Union.
• Price Terms: FOB, CIF, CFR, and DDP are accepted.
• Delivery Time: Typically within 5-18 working days for 1-10 pieces, with longer delivery times for larger quantities.

Manufacturer and Quality Assurance

• Manufacturer Profile: Hebei Jinteng Hoisting Machinery Manufacturing Co., Ltd is a reputable manufacturer with over 20 years of experience in crane and hoist production.
• Certifications: The company holds various certifications such as ISO 9001, ensuring high-quality products.
• Customer Testimonials: Positive feedback from international customers highlights the company’s commitment to quality and customer satisfaction.

FAQs

What About the Payment Term & Price Term?

• The company accepts T/T, credit card, LC, and Western Union as payment terms. Price terms include FOB, CIF, CFR, and DDP.

What’s the Delivery Time?

• Delivery is usually within 5-18 working days for 1-10 pieces, with delivery times for larger quantities depending on the order size.

Are You a Manufacturer or Trading Company?

• Hebei Jinteng Hoisting Machinery Manufacturing Co., Ltd is a manufacturer with extensive experience in producing high-quality cranes and hoists.

By considering these aspects, you can make an informed decision when purchasing a wholesale mini workshop crane that meets your specific needs and ensures safe and efficient operations.

Chinese Standard Single Girder Overhead Crane

Guide to Chinese Standard Single Girder Overhead Cranes

Introduction

Chinese Standard Single Girder Overhead Cranes are widely used in various industrial settings, including steel plants, hydro-power stations, warehouses, and workshops. These cranes are designed and manufactured according to Chinese national standards, ensuring reliability, efficiency, and safety.

Types of Single Girder Overhead Cranes

Traditional LD Type

• Capacity: 1 to 20 tons[2][5].
• Span: Typically ranges from 7.5 to 31.5 meters[2][4][5].
• Lifting Height: Can be customized but commonly includes heights of 6, 9, 12, 18, 24, and 30 meters[2][4][5].
• Working Class: Classified as A3 or A4, indicating light to medium duty usage[5].
• Lifting Speed: Usually 8 m/min or dual-speed options like 8/0.8 m/min[2][5].
• Trolley and Crane Speed: Typically 20 m/min, with some models offering 30 m/min[2][5].

European HD Type

• Capacity: 1 to 20 tons, with some models extending up to 32 tons[1][5].
• Span: Ranges from 7.5 to 28.5 meters[1][5].
• Lifting Height: Generally up to 18 meters, but can be customized[1][3].
• Working Class: Classified as A5, indicating higher duty cycles[1].
• Lifting Speed: Dual-speed options like 0.8/5 m/min[1].
• Trolley and Crane Speed: Typically 2-20 m/min for trolley and 3-30 m/min for crane travel[1].

LX Suspension Type

• Capacity: 0.5 to 10 tons[1].
• Span: Ranges from 3 to 22.5 meters[1].
• Lifting Height: Up to 30 meters[1].
• Working Class: Classified as A3-A4[1].
• Lifting Speed: Dual-speed options like 8/0.8 m/min[1].
• Trolley and Crane Speed: Typically 20 m/min[1].

Key Components and Specifications

Main Dimensions

• Rail Top to Crane Top: Varies depending on the span and capacity, typically between 490-1200 mm[2][3].
• Rail Top to Hook Center: Customizable but generally ranges from 910-2000 mm[2][3].
• Crane Base Distance: Varies from 1500 to 4000 mm[2][3].
• Crane Width: Typically ranges from 2000 to 4700 mm[2][3].

Motors and Controls

• Lifting Motor: Usually around 13 kW for 10-ton cranes, but varies with capacity[3].
• Trolley Motor: Typically 0.8 kW[3].
• Control Systems: Often include dual-speed controls for lifting, trolley, and crane travel[1][2][5].

Track and Wheels

• Track Type: Commonly P18, P24, or P30 depending on the crane model and capacity[1][3].
• Max Wheel Load: Calculated based on the crane’s total weight and span, typically ranging from 51.3 to 85.4 kN[3].

Applications and Installation

Industrial Settings

• Steel Plants: Used for handling heavy steel products and materials.
• Hydro-Power Stations: Employed for maintenance and repair tasks.
• Warehouses and Workshops: Utilized for general lifting and moving of goods and equipment[4].

Installation Considerations

• Structural Integrity: Ensure the building structure can support the crane’s weight and load.
• Clearance: Verify sufficient clearance for the crane’s operation, including hook height and trolley travel.
• Electrical Supply: Ensure a reliable electrical supply that meets the crane’s power requirements.

Safety and Maintenance

Safety Features

• Overload Protection: Many models come with overload protection to prevent accidents.
• Limit Switches: Installed to prevent over-travel and ensure safe operation.
• Emergency Stops: Standard on most models for immediate shutdown in case of emergencies[5].

Maintenance

• Regular Inspections: Schedule regular inspections to check for wear and tear.
• Lubrication: Regularly lubricate moving parts to maintain smooth operation.
• Training: Ensure operators are trained and certified to operate the crane safely and efficiently.

Customization and Special Requirements

Custom Span and Height

• Cranes can be customized to fit specific span and lifting height requirements[4].

Low Headroom Designs

• Special designs for low headroom environments where lifting height is limited but lifting room is high[5].

Specialized Hoist Options

• Available in various hoist types such as wire rope, chain, and fem electric hoists, each suited for different applications[5].

By understanding these aspects of Chinese Standard Single Girder Overhead Cranes, users can make informed decisions about selecting and operating the right crane for their specific needs.

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 significant 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.
• 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 the country in the production and sales of overhead cranes and gantry cranes.
• 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.
• Has a strong global presence with operations 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 and other lifting equipment.
• Product quality and performance are highly recognized and praised in China.

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

Overview

• Founded in 2004 and headquartered in Zhengzhou City, Henan Province.
• Engaged in R&D, manufacturing, and sales of various crane types.

Products and Services

• Produces bridge cranes, gantry cranes, tower cranes, and other products.
• Equipped with advanced production equipment and technology to ensure high-quality products.

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.
• Has a long history and rich experience, with product quality consistently at the leading position in China.

6. Harbin Electric Group Co., Ltd.

Overview

• Established in 1898 and headquartered in Harbin.
• Another long-standing company in the Chinese construction machinery industry.

Products and Services

• Engaged in the R&D, manufacturing, and sales of bridge cranes, gantry cranes, and other products.
• Known for its high-quality products and extensive experience.

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 various crane types.

Products and Services

• Produces bridge cranes, gantry cranes, and other lifting equipment.
• Has a professional R&D team and advanced production equipment.

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.
• Product quality and performance are widely recognized.

Manufacturing Process

The manufacturing process for overhead cranes typically involves several stages:
– Design: Initial planning and design of the crane based on customer requirements and industry standards.
– Fabrication: Production of the crane components such as the girder, hoist, and trolley.
– Assembly: Bringing together all the fabricated components to form the complete crane.
– Testing: Thorough testing to ensure the crane meets safety and performance standards.

Range of Products

These top 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 also provide:
– Installation Services: Ensuring the crane is correctly installed at the customer’s site.
– Maintenance Services: Regular maintenance to keep the crane in optimal condition.
– Repair Services: Repair and troubleshooting services to address any issues that may arise.

By understanding the capabilities, products, and services offered by these top overhead crane manufacturers in China, customers can make informed decisions when selecting the right equipment for their needs.

DQCRANES Training Service

DQCRANES Training Service: A Comprehensive Guide

Introduction

DQCRANES, a leading manufacturer of industrial cranes, offers a robust training service designed to enhance the skills and knowledge of crane operators, ensuring safety, efficiency, and compliance with industry standards.

Objectives of DQCRANES Training Service

• Improve safety and productivity in crane operations
• Reduce errors and injuries caused by improper crane operation
• Ensure compliance with local and international regulations
• Enhance the overall efficiency of material handling processes

Training Topics

1. Function of Major Crane Components and Assemblies

The training covers the detailed functioning of all major crane components, including the mechanical, electrical, and hydraulic systems. This knowledge is crucial for operators to understand how to operate, maintain, and troubleshoot the crane effectively.

2. Minimum Qualifications and Requirements for Crane Operators

Participants learn about the minimum qualifications, training requirements, and certifications necessary to become a qualified crane operator. This includes understanding local governing body regulations and industry standards.

3. Daily Crane Inspection Procedures

The training emphasizes the importance of daily crane inspections, teaching participants how to conduct these inspections in accordance with local and international standards. This ensures the crane is in safe working condition, reducing the risk of accidents.

4. Rules of Safe and Proficient Crane Operation

The four rules of safe and proficient crane operation are a cornerstone of the training. These rules cover precise spotting of loads, making precision lifts, minimizing load swing, and using proper hand signals.

5. Precise Spotting of Loads and Making Precision Lifts

Operators learn techniques for accurately positioning loads and performing precision lifts, which is critical for maintaining safety and efficiency during crane operations.

6. Proper Techniques to Minimize Load Swing

The training includes methods to minimize load swing, which is essential for preventing accidents and ensuring stable crane operations.

7. Recommended Hand Signals

Participants are taught the standard hand signals used in crane operations to ensure clear communication between the operator and the ground crew.

8. Basic Rigging Procedures

The training covers basic rigging procedures, including how to attach loads to the hook safely and securely. This is vital for preventing accidents and ensuring the load is handled correctly.

Training Delivery

On-Site Training

DQCRANES offers on-site training, allowing participants to learn in their actual working environment. This approach helps operators become familiar with the specific cranes and conditions they will encounter.

Training at DQCRANES Facilities

Training can also be conducted at DQCRANES’ facilities, providing access to a variety of crane types and scenarios, enhancing the learning experience.

Benefits of DQCRANES Training Service

Improved Safety

The training significantly reduces the risk of accidents by teaching operators how to identify and mitigate potential hazards.

Increased Productivity

Well-trained operators can perform tasks more efficiently, leading to increased productivity and reduced downtime.

Compliance with Regulations

The training ensures that operators are aware of and comply with all relevant local and international regulations, reducing the risk of legal issues.

Enhanced Operator Skills

Operators gain comprehensive knowledge and skills, enabling them to handle various types of cranes and lifting equipment effectively.

Target Audience

New Operators

The training is ideal for newly hired personnel who need to acquire the necessary skills and knowledge to operate cranes safely and efficiently.

Seasonal Workers

Seasonal workers can benefit from refresher training to ensure they are up-to-date with the latest techniques and regulations.

Experienced Operators

Even experienced operators can benefit from refresher training to reinforce their skills and learn about new technologies and best practices.

Conclusion

DQCRANES’ training service is a valuable resource for any organization seeking to improve the safety, efficiency, and compliance of their crane operations. By providing comprehensive training on various aspects of crane operation, DQCRANES helps ensure that operators are well-equipped to handle their responsibilities effectively.

Gantry Crane For Sale | China Manufacturer

Gantry Cranes: A Comprehensive Guide

Introduction

Gantry cranes are versatile and essential pieces of equipment in various industries, including construction, shipbuilding, and manufacturing. They are designed to handle heavy-duty lifting tasks efficiently and safely. Here is a detailed guide to help you understand the features, benefits, and applications of gantry cranes.

Types of Gantry Cranes

Double Girder Gantry Cranes

• Design and Structure: Double girder gantry cranes feature two horizontal beams (girders) that support the crane’s hoist and trolley. This design is ideal for heavy-duty lifting applications.
• Applications: Commonly used in freight yards, construction sites, railroad terminals, shipyards, and ports.
• Specifications:
• Maximum Lifting Height: 12-30 meters
• Span: Up to 35 meters
• Material: Steel structure
• Power Source: Electric
• Certification: CE, ISO9001
• Features: Full frequency conversion drive, PLC central control, and high-strength bolt assembly for structural installation. These cranes can be customized to meet specific needs[1][4].

Single Girder Gantry Cranes

• Design and Structure: Single girder gantry cranes have one main beam that supports the hoist and trolley. This design is more compact and cost-effective.
• Applications: Suitable for factories, workshops, warehouses, power stations, and logistics facilities.
• Specifications:
• Capacity: 0.5-50 tons
• Lift Height: 3-30 meters
• Span: 3-35 meters
• Work Duty: M3-M5
• Protection Class: IP55
• Working Temperature: -20°C to +40°C
• Features: Humanized design, anti-corrosion features, and the option for full gantry, truss gantry, or mobile gantry configurations[5].

Key Features and Technologies

Safety Features

• Emergency Stops and Flashing Beacons: Integrated safety features to ensure immediate stoppage in emergency situations.
• Safety Loops and Derailment Catches: Prevent collisions and ensure smooth crane movement.
• Storm Locks and Wind Speed Meters: Prevent sliding or falling in heavy winds and provide audible signals for safety actions[2].

Drive and Control Systems

• Full Frequency Conversion Drive: Enhances the efficiency and precision of crane operations.
• PLC Central Control: Allows for independent action of each mechanism and linked control for coordinated movements[1].

Hoist Options

• Wire Rope Hoists: Such as the CXT wire rope hoist, offering efficient use of space and smart features like sway control and hook centering.
• Synthetic Rope Hoists: Like the S-series, providing safer, lighter, and more controlled lifting with features such as Follow Me and Snag Prevention[2].

Applications and Industries

Construction and Infrastructure

• Gantry cranes are crucial in construction sites for lifting heavy materials and equipment.
• They are also used in railroad terminals and freight yards for efficient cargo handling.

Shipbuilding

• Large-tonnage shipbuilding gantry cranes are specially designed for assembling ship sections and parts.
• These cranes are built to withstand the heavy-duty requirements of shipyards[5].

Manufacturing and Logistics

• Used in factories, workshops, and warehouses for material handling and production processes.
• Essential in logistics facilities for loading and unloading goods efficiently[5].

Benefits and Advantages

Efficiency and Productivity

• Gantry cranes enable efficient processes and optimize working areas, especially in multi-layered production environments.
• They are designed to improve working efficiency with features like rotating cranes and precise loading/unloading capabilities[1][2].

Safety and Reliability

• Multiple safety features prevent accidents, such as collisions, derailing, and wind damage.
• High-quality materials and advanced technologies ensure reliability and longevity of the equipment[2].

Customization and Flexibility

• Gantry cranes can be customized to meet specific industry needs and working conditions.
• Options for semi and full gantry configurations, as well as different hoist types, provide flexibility in various applications[1][2].

Maintenance and Service

Regular Maintenance

• Regular maintenance is crucial to ensure optimal performance and extend the lifespan of the crane.
• Konecranes and other manufacturers offer global customer service and maintenance support[2].

Training and Installation

• Field installation, commissioning, and training are provided to ensure that operators are well-versed in the safe and efficient operation of the crane[1].

Conclusion

Gantry cranes are indispensable in modern industrial settings due to their versatility, efficiency, and safety features. Whether you are in the construction, shipbuilding, or manufacturing sector, understanding the types, features, and applications of gantry cranes can help you make informed decisions and optimize your operations. By choosing the right gantry crane and maintaining it properly, you can significantly enhance your productivity and safety standards.

Overhead Crane Operator Training

Overhead Crane Operator Training: A Comprehensive Guide

Introduction

Overhead crane operator training is crucial for ensuring the safe and efficient operation of overhead cranes in various industrial settings. This guide outlines the key components, responsibilities, and best practices involved in training overhead crane operators.

Qualifications and Certification

Minimum Qualifications

• Overhead crane operators must have corrected vision that meets the same requirements as vision for a valid driver’s license.
• They must have effective use of all four limbs.
• Operators should be of sufficient height to operate the controls and have an unobstructed view over the controls into the work area.
• They must have coordination between eyes, hands, and feet.
• Operators should be free of known convulsive disorders and episodes of unconsciousness.
• They must be properly educated and trained to perform these duties and be able to understand written signs and labels, as well as follow written and verbal instructions[1].

Certification

• Prospective crane operators should be trained and tested by an OSHA Certified Trainer.
• Certification involves passing a written test and demonstrating proficiency in operating the crane.
• Both the employer and employee should keep a copy of the certification and be able to make it available upon request[1].

Training Components

General Training Requirements

• Training should include company rules, regulations, and procedures.
• Operators must understand the capacities of equipment and attachments, the purpose, use, and limitations of controls, and how to make daily checks.
• Training should cover energizing sequences (pneumatic, hydraulic, electrical), start-up and shutdown procedures, emergency shutdown procedures, and general operating procedures[1].

Specific Skills and Knowledge

• Operators need to learn basic signaling procedures (verbal, hand, and radio signals).
• They must be familiar with accepted guidelines from industry governing bodies and local, state, and federal rules and regulations.
• Practice in operating the assigned equipment through mechanical functions is essential.
• Training should include knowledge of the maximum rated capacity of the crane, best practice and accepted operating procedures, basic safety guidelines, and how to avoid accidents[1].

Rigging Training

• Riggers should be trained on company rules, regulations, and procedures.
• They must understand the requirements of the Code of Federal Regulation; Title 29, Part 1910.179 (Overhead and Gantry Cranes) and Part 1910.184 (Slings).
• Training should cover knowledge of accepted guidelines published by the EOT (Electric Overhead Traveling) crane industry[1].

Operational Responsibilities

Before, During, and After the Lift

• Operators must respond to all signals from a lift director or designated signalperson.
• They should verify the weight of the load without using a load-limiting device and ensure the load is within the working load limit of the crane, hoist, and rigging components.
• Minimize swinging of the load and avoid sudden acceleration and deceleration.
• Verify that the load and rigging are free to move and will clear all obstructions[3].

Pre-Operational Inspections

• Operators are responsible for performing pre-operational inspections of the crane to ensure it is in good working condition.
• This includes checking for any damage, wear, or malfunctions in the crane and its components[5].

Safety and Maintenance

Personal Protective Equipment

• Operators must use personal protective equipment (PPE) as required by the job and company policies.
• PPE may include hard hats, safety glasses, gloves, and other protective gear[1].

General Conduct of Operators

• Operators should follow all safety guidelines and company policies.
• They must be aware of their surroundings and ensure the safety of themselves and others in the work area[1].

Maintenance Requirements

• Regular maintenance is crucial to ensure the crane operates safely and efficiently.
• Operators should be trained to identify and report any maintenance issues to the appropriate personnel[1].

Training Methods and Resources

In-Person and Online Training

• Training can be conducted in-person at training centers, on-site, or virtually through online courses and VR simulators.
• Online courses can provide a solid foundation in health and safety standards, preventative maintenance, and proper operating procedures[3][4].

Training Kits and Materials

• Companies can use training kits that include course introduction booklets, DVDs, video viewing forms, written exams, and review materials.
• These kits often include safety booklets, pre-operation checklist pads, chain and wire rope gauges, and other supplementary materials[2].

Conclusion

Overhead crane operator training is a multifaceted process that requires thorough education, practical training, and adherence to strict safety and regulatory standards. By ensuring operators are properly qualified, trained, and certified, employers can significantly reduce the risk of accidents and maintain a safe and efficient work environment. Regular training and recertification are essential to keep operators updated with the latest industry standards and best practices.

Frequently Asked Questions (FAQs)

What are the key components of overhead crane training in China?

Overhead crane training in China typically includes a comprehensive curriculum that covers both theoretical and practical aspects. The training starts with an introduction to the types of overhead cranes, such as single girder, double girder, gantry, and jib cranes, and their applications in various industries. It also includes detailed instruction on the safety protocols and regulations governing crane operations. Trainees learn about the mechanical and electrical components of the cranes, including bridge components, hoisting mechanisms, and control systems. Practical training involves hands-on experience with crane operation, maintenance, and troubleshooting, as well as simulations to prepare operators for real-world scenarios.

Who is eligible to receive overhead crane training in China?

Overhead crane training in China is generally open to individuals who will be operating, maintaining, or supervising the use of overhead cranes in industrial settings. This includes new operators, maintenance personnel, and supervisors who need to understand the safe and efficient operation of these machines. Typically, candidates should have a basic understanding of mechanical principles and safety procedures. Some training programs may also require a certain level of physical fitness and the ability to follow complex instructions. Additionally, some manufacturers and training institutions may offer specialized courses for engineers and technicians involved in the design and installation of overhead cranes.

What safety protocols are emphasized in overhead crane training in China?

Safety is a paramount aspect of overhead crane training in China. Trainees are taught to adhere strictly to safety guidelines and regulations to prevent accidents and ensure a safe working environment. The training emphasizes the importance of pre-operational checks, proper load handling techniques, and the use of personal protective equipment. It also covers emergency procedures, such as what to do in case of a power failure or a load drop. Trainees learn about load calculation, swing radius, and ground clearance to avoid collisions and other hazards. Additionally, the training includes sessions on fire safety, especially in high-risk environments, and the use of automatic fire extinguishing systems where necessary.

How long does overhead crane training typically last in China?

The duration of overhead crane training in China can vary depending on the complexity of the training program and the level of expertise required. Basic operator training can last from a few days to a week, covering the fundamental principles of crane operation, safety, and maintenance. Advanced training programs, which include specialized courses for maintenance personnel or supervisors, can last several weeks or even months. These programs often include both classroom instruction and extensive hands-on training to ensure that trainees are fully competent in all aspects of crane operation and maintenance.

What certifications or qualifications are awarded upon completing overhead crane training in China?

Upon completing overhead crane training in China, trainees are typically awarded certifications that validate their competence in operating, maintaining, or supervising overhead cranes. These certifications are often recognized by both Chinese and international standards. For example, trainees may receive certifications that comply with Chinese national standards or international standards such as FEM (Federation Europeenne de la Manutention). These certifications are crucial for ensuring that operators meet the necessary safety and operational standards, and they can also enhance job prospects and career advancement opportunities in the industry. Additionally, some manufacturers and training institutions may offer their own proprietary certifications that are highly regarded within the industry.