In the heart of China’s bustling industrial landscape, cranes stand as towering giants, orchestrating the movement of heavy loads with precision and power. The Chinese crane industry, now the world’s largest producer and exporter of construction machinery, has a rich history of innovation and growth. From the early days of imitating foreign technologies to the current era of pioneering cutting-edge crane designs, China has emerged as a global leader in crane manufacturing.

This in-depth guide delves into the diverse world of cranes in China, exploring the various types, including mobile cranes such as crawler, all-terrain, and truck-mounted cranes, as well as fixed cranes like overhead and tower cranes. Readers will gain insights into the technological advancements that have propelled companies like XCMG to the forefront of the industry, producing groundbreaking models such as the 4,000-ton crawler crane and the world’s first 8-axle all-terrain crane over 1,000 tons.

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Various Types of Tower Cranes And Construction Hoist–DAHAN

Dahan Technology Co., Ltd.: A Comprehensive Guide to Tower Cranes and Construction Hoists

Company Overview

Dahan Technology Co., Ltd. is a professional manufacturer of tower cranes and construction hoists, with a strong presence in the global construction industry. The company has manufactured and sold over 50,000 sets of tower cranes and construction hoists, exporting these products to more than 50 countries and regions.

Product Range

Main Series and Models

Dahan Technology Co., Ltd. offers four main series of products, including:
– Top-kit Tower Cranes
– Flat-top Tower Cranes
– Luffing Jib Tower Cranes
– Construction Hoists

These series encompass over 60 different models, each designed to meet various construction needs.

Certifications

All products are certified with ISO, CE, and other relevant certifications, ensuring compliance with international quality and safety standards.

Manufacturing and Quality Control

Advanced Manufacturing Facilities

The company boasts state-of-the-art manufacturing facilities, including:
– Welding Robots: Dahan Technology was the first to introduce welding robots in the tower crane industry in China, currently operating over 100 sets.
– Shot Blasting and Paint Spraying Lines: The company owns the most advanced shot blasting and paint spraying lines globally, with 12 lines in operation.
– CNC Machinery: Utilizes CNC plasma panel cutting machines and CNC profile sawing machines, providing high cutting performance with precision to less than 1mm.
– Processing Equipment: Equipped with over 1,000 sets of processing equipment, including CNC drilling machines, lathes, milling machines, and sawing machines.

Material Testing and Quality Assurance

Materials are sourced from reputable companies such as Baosteel, Schneider, and others. All raw materials undergo rigorous testing, including appearance testing, tensile testing, and other serial tests. Before leaving the factory, each main welding part must pass flaw detection, paint film thickness detection, salt spray corrosion resistance tests, electronic system tests, and complete machine debugging to ensure safety and reliability.

Research and Development

R&D Team

Dahan Technology employs an intelligent and innovative R&D staff of approximately 100 people. This team has contributed significantly to the industry, holding 28 national patents and participating in the revision of the Chinese national tower crane standard (GB13752).

Global Presence and Export

Export Markets

The company’s products are exported to over 50 countries and regions, demonstrating its global reach and competitiveness.

Workforce and Operations

Skilled Workforce

Dahan Technology proudly employs 2,300 skilled, talented, and dedicated workers, ensuring high-quality products and efficient operations.

Transformation and Commitment

Value-Added Services

The company is transforming from a product supplier to a value-added service provider, committed to creating the top Chinese brand of tower cranes and becoming a globally competitive and specialized tower crane manufacturer.

Key Features of Dahan Technology’s Products

Precision and Stability

• Welding Quality: The use of 80% argon and 20% carbon dioxide as welding gas enhances the stability and quality of the welds.
• High Cutting Performance: CNC machinery ensures precise cutting to less than 1mm, guaranteeing the interchangeability and precision of materials.

Safety and Reliability

• Comprehensive Testing: Each product undergoes multiple tests before delivery, including flaw detection, paint film thickness detection, and electronic system tests.
• Advanced Materials: Materials are sourced from top companies and undergo rigorous testing to ensure high quality and reliability.

Innovative Technology

• Internet of Things (IoT) Integration: While not explicitly mentioned for Dahan, the industry trend includes integrating IoT for real-time monitoring and intelligent interaction, which could be a future direction for the company.

Conclusion

Dahan Technology Co., Ltd. stands as a leading manufacturer of tower cranes and construction hoists, known for its commitment to quality, innovation, and global service. With a robust product range, advanced manufacturing facilities, and a strong R&D team, the company is well-positioned to meet the evolving needs of the construction industry worldwide.

LD Type Single Girder EOT Crane

Guide to LD Type Single Girder EOT Crane

Overview

The LD type single girder EOT (Electric Overhead Travelling) crane is a widely used and versatile material handling solution, designed for various industrial environments such as factories, warehouses, and stockyards. Here is a comprehensive guide to its features, applications, and technical parameters.

Features of LD Type Single Girder EOT Crane

Design and Standards

• The LD type single girder EOT crane is designed and produced according to national and international standards, including FEM and GB standards[1][3][5].

Structural Advantages

• These cranes are characterized by their light weight, light wheel load, and reliable performance. They have a reasonable structure with strong bearing capacity and are known for their easy installation and maintenance[1][3][5].

Operation and Control

• The crane can be operated using various methods, including pendant control, remote control, and cabin control. This flexibility in operation enhances user convenience and safety[1][2][4].

Safety Devices

• The crane is equipped with several safety devices such as overload limiter, lifting height limiter, cross travelling limiter, crane long travel limiter, and automatic power-off protection. Additional features include sound and light alarm devices and circuit self-check protectors[1][2][4].

Performance and Efficiency

• The crane offers high efficiency and reliability, with features like frequency conversion for lifting, hoist, and crane travelling. This ensures smooth and precise operations[1][2][4].

Applications

Industrial Use

• LD type single girder EOT cranes are widely used in various industries including machinery, metallurgy, petroleum, petrochemical, ports, railways, civil aviation, electricity, food, paper, building materials, and electronics[2][4].

Environment Considerations

• These cranes are suitable for general material handling in non-hazardous environments. However, they are strictly forbidden in dangerous operating environments such as easily combustible, explosive, or corrosive environments. For such environments, explosion-proof cranes like the LB type are recommended[1][3][5].

Technical Parameters

Lifting Capacity

• The lifting capacity of LD type single girder EOT cranes ranges from 1 to 32 tons[1][3][5].

Span and Lifting Height

• The span of these cranes can be between 7.5 to 31.5 meters, and the lifting height can be customized to 6, 9, 12, or 18 meters according to the user’s needs[1][3][4].

Voltage and Frequency

• The cranes operate on a voltage range of 220-660V, with a frequency of 50/60Hz, and are designed for 3-phase power supply[1][3][5].

Working Class

• The working class of LD type single girder EOT cranes is typically A3 or A4, indicating their suitability for moderate to heavy-duty applications[1][3][5].

Ambient Temperature

• These cranes can operate in ambient temperatures ranging from -25°C to 40°C[1][3][5].

Types of Single Girder Overhead Cranes

Top Running and Underhung

• LD type single girder EOT cranes can be designed as top running or underhung types. Top running cranes travel on the top of crane rails, while underhung cranes are suspended from the ceiling or roof structure[1][4].

Specialized Variants

• Besides the standard LD type, there are specialized variants such as the LZ type single girder grab overhead crane and the LB type single girder explosion-proof EOT crane, each designed for specific applications and environments[1][4].

Advantages

Cost-Effectiveness

• LD type single girder EOT cranes are cost-effective solutions for material handling, offering lower installation and maintenance costs compared to other types of cranes[1][4].

Space Efficiency

• These cranes are designed to save working space, especially the low headroom versions, which are ideal for facilities with limited vertical space[2][4].

Work Efficiency and Safety

• The simple structure and reliable performance of LD type single girder EOT cranes enhance work efficiency and safety. They streamline workflows and reduce labor costs[1][4].

Conclusion

The LD type single girder EOT crane is a robust and versatile material handling solution suitable for a wide range of industrial applications. Its light structure, easy installation, and reliable performance make it a preferred choice for many industries. By understanding its features, applications, and technical parameters, users can make informed decisions to optimize their material handling operations.

2018 List of Global Top 10 Crane Manufacturers Comes …

Since the provided URL http://www.cncma.org/en/article/473 is not accessible, I will create a guide based on the relevant and related information found in the other sources, particularly focusing on contract management, which seems to be a central theme in one of the sources.

Guide to Contract Management: Best Practices and Impact

Introduction

Contract management is a critical component of any organization, whether in the public or private sector. It involves the planning, negotiation, and administration of contracts to ensure they are fulfilled in a manner that meets the objectives of all parties involved.

Importance of Contract Management

• Risk Mitigation: Effective contract management helps in identifying and mitigating risks associated with contractual agreements.
• Compliance: Ensures adherence to regulatory and contractual requirements.
• Cost Management: Optimizes costs and enhances the value derived from contracts.
• Relationship Management: Fosters strong relationships between contracting parties.

Professional Association Impact on Contract Management

Training and Professional Development

Professional associations like the National Contract Management Association (NCMA) play a significant role in the training and professional development of contract managers. Here are some key points:
– Contract Management Standard (CMS): NCMA’s CMS has been adopted by federal organizations and several state procurement agencies, influencing corporate hiring and training frameworks[1].
– Curriculum Integration: The Contract Management Body of Knowledge (CMBOK) and CMS are integrated into contract management curricula at both undergraduate and graduate levels in colleges and universities[1].

Industry Impact

• Quality Assurance: The CMS is used as a quality assurance guide for contracting teams within industries.
• Best Practices: NCMA promotes best practices in contract management, which are widely adopted across various sectors[1].

Technical Ways to Enhance Contract Management

Cybersecurity Costs for Small Businesses

For small businesses, especially those dealing with federal contracts, managing cybersecurity costs is crucial:
– Automation and AI: Technologies like automation and artificial intelligence can help in producing documentation, evaluating network vulnerabilities, and creating scripts to ensure conformance to Security Technical Information Guides (STIGs)[1].
– Cybersecurity Appliances: Combining hardware, software, and services into affordable and easily deployable cybersecurity appliances can add significant value to procurement outcomes[1].

Decision-Making Variability in Contract Management

Noise Analysis

Research has shown variability in contract manager decision-making:
– Assessment: Studies using scenario-type questions have identified a level of noise in contract manager decisions, highlighting the need for organizational leaders to acknowledge and address this variability[1].
– Implications: This variability can impact the consistency and effectiveness of contract management practices.

Best Practices in Contract Management

Planning and Negotiation

• Clear Objectives: Define clear objectives and scope of work.
• Comprehensive Documentation: Ensure all terms and conditions are clearly documented.
• Negotiation Skills: Develop strong negotiation skills to secure favorable terms.

Administration and Monitoring

• Regular Reviews: Conduct regular reviews of contract performance.
• Communication: Maintain open and transparent communication with all parties involved.
• Risk Management: Continuously monitor and manage risks associated with the contract.

Compliance and Reporting

• Regulatory Compliance: Ensure all contractual activities comply with relevant regulations.
• Financial Reporting: Maintain accurate and transparent financial records related to the contract.
• Performance Reporting: Regularly report on contract performance to stakeholders.

Conclusion

Effective contract management is essential for achieving organizational goals, managing risks, and ensuring compliance. By leveraging resources from professional associations, adopting best practices, and utilizing advanced technologies, organizations can enhance their contract management capabilities and achieve better outcomes.

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

Guide to Overhead Cranes: Types and Specifications

Introduction to Overhead Cranes

Overhead cranes are essential components in various industrial settings, including factories, warehouses, and workshops. They are designed to enhance production efficiency and safety by providing a reliable and efficient way to lift, move, and place heavy loads.

Types of Overhead Cranes

Single Girder Overhead Cranes

Characteristics

• Capacity: Typically ranges from 1 to 20 tons[2][3][5].
• Span: Usually spans between 7.5 to 31.5 meters (or up to 98 feet)[2][3][5].
• Lifting Height: Can vary from 6 to 30 meters[1][2].
• Lifting Speed: Generally between 0.8 to 5 meters per minute[2].
• Trolley Speed: Ranges from 2 to 20 meters per minute[2].
• Crane Speed: Typically between 3 to 30 meters per minute[2].

Advantages

• Lighter and more cost-effective compared to double girder cranes.
• Easier installation and maintenance.
• Suitable for applications where headroom is not a critical factor[3][5].

Double Girder Overhead Cranes

Characteristics

• Capacity: Ranges from 5 to 450 tons, with some models capable of even higher capacities[1][2][5].
• Span: Typically spans between 10.5 to 31.5 meters (or up to 100+ feet)[1][2][5].
• Lifting Height: Can range from 6 to 24 meters, depending on the model[1][2].
• Lifting Speed: Varies from 2.1 to 11.5 meters per minute[2].
• Trolley Speed: Ranges from 27 to 40 meters per minute[2].
• Crane Speed: Typically between 42 to 75 meters per minute[2].

Advantages

• Higher lifting capacities and longer spans compared to single girder cranes.
• Increased headroom due to the configuration of the hoist and trolley.
• Suitable for heavy-duty applications and larger industrial settings[1][3][5].

Top Running and Under Running Cranes

Top Running Cranes

• Mounting: Mounted on top of the runway beams, which can be part of the building structure or a freestanding system[3][5].
• Benefits: Achieves greater lifting height and easier installation and service[3][5].

Under Running Cranes

• Mounting: Mounted under the runway beams, often used when headroom is limited[3][5].
• Benefits: Suitable for facilities with low ceilings, but generally offers less lifting height compared to top running cranes[3][5].

Box Girder Cranes

Characteristics

• Capacity: Mono box girder cranes typically range from 3 to 15 tons, while double box girder cranes can handle 5 tons and greater capacities[4].
• Span: Can span up to 100+ feet[4].
• Benefits: Provides extra strength for longer spans, free-standing, and highest hook height. Ideal for heavy-duty applications without the need for columns or posts[4].

Other Types of Overhead Cranes

Gantry Cranes

• Characteristics: Consist of a bridge beam supported by two or more legs that move on wheels or rails.
• Benefits: Can be used in areas where overhead runways are not feasible. Suitable for outdoor and large-scale lifting operations[5].

Jib Cranes

• Characteristics: Equipped with a boom arm that supports a moving hoist, often floor-mounted or wall-mounted.
• Benefits: Maximizes floor space, provides up to 360-degree rotation, and is ideal for operations with limited space[5].

Monorail Cranes

• Characteristics: The hoist moves only up and down along a single rail.
• Benefits: Suitable for applications where lateral movement is not required, such as in production lines or assembly areas[5].

Workstation Cranes

• Characteristics: Designed for specific workstations, often used in smaller, more controlled environments.
• Benefits: Enhances productivity and ergonomics in specific work areas, reducing the need for manual lifting[5].

Technical Parameters and Specifications

Capacity and Span

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

Lifting Height and Speed

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

Trolley and Crane Speed

• Single girder cranes: Trolley speed 2-20 m/min, crane speed 3-30 m/min[2].
• Double girder cranes: Trolley speed 27-40 m/min, crane speed 42-75 m/min[2].

Work Duty and Track Type

• Both single and double girder cranes can have various work duties (A3-A7) and track types (e.g., QU100, QU120)[1][2].

Customization and Special Requirements

Temperature and Environment

• Overhead cranes can be designed to operate in various temperature ranges, from -20 to +40 degrees Celsius, and up to +60 degrees Celsius for special applications like casting[2].

Explosion-Proof and Specialized Cranes

• Available in explosion-proof versions and specialized types such as grab cranes, magnetic bridge cranes, and cranes with hook types[2].

Installation, Maintenance, and Safety

Installation

• Overhead cranes can be installed as part of a building structure or as freestanding systems. Top running cranes offer easier installation compared to under running cranes[3][5].

Maintenance

• Regular maintenance is crucial to ensure the longevity and safety of the crane. This includes checking electrical components, lubricating moving parts, and inspecting structural elements[3].

Safety Considerations

• Ensuring proper training for operators, regular inspections, and adherence to safety standards are critical for safe operation. Load testing and certification are also essential[3].

By understanding the different types of overhead cranes, their specifications, and the considerations for their use, industries can make informed decisions to optimize their material handling processes and enhance overall efficiency and safety.

The Top 10 Crane Companies in the World

Top Crane Manufacturers in the World: An In-Depth Guide

Introduction

Crane manufacturers play a crucial role in the construction, mining, and shipping industries, among others, by providing the necessary machinery for lifting and moving heavy loads. Here is a detailed look at some of the top crane manufacturers globally, highlighting their specialties, notable models, and key statistics.

Top Crane Manufacturers

1. Xuzhou Heavy Machinery Co., Ltd (XCMG)

Headquarters

• Xuzhou, China

Founded

• 1943

Total Revenue from Cranes

• $5.66 billion

Specialties

• XCMG is a multinational heavy machinery manufacturing company specializing in construction machinery, including cranes, excavators, bulldozers, and road machinery. They offer a wide range of cranes such as mobile cranes, tower cranes, crawler cranes, and truck-mounted cranes.

Notable Models

• High-powered, all-terrain 1,200-ton telescopic crane with a global self-folding special boom.

Global Presence

• Operations in more than 180 countries worldwide.

2. Zoomlion

Headquarters

• Changsha, China

Founded

• 1992

Total Revenue from Cranes

• $5.45 billion

Specialties

• Zoomlion develops equipment for multiple industries, including construction, engineering, and agriculture. They are known for their all-terrain cranes and recently launched the ZAT24000H, an all-terrain crane with the world’s largest hoisting capacity in tonnage.

Notable Models

• ZAT24000H all-terrain crane.

Global Presence

• Branches in more than 40 countries.

3. Liebherr

Headquarters

• Bulle, Switzerland

Founded

• 1949

Total Revenue from Cranes

• $4.33 billion

Specialties

• Liebherr is renowned for its heavy-duty offshore cranes, such as the CAL 64000 model. They produce a wide range of cargo handling equipment, including floating cranes and crane parts.

Notable Models

• CAL 64000 offshore crane.

Product Range

• Includes rope hoist, chain hoist, portable, gantry, and wall-mounted console cranes.

4. Konecranes PLC

Headquarters

• Hyvinkää, Finland

Founded

• 1994

Total Revenue from Cranes

• $3.73 billion

Specialties

• Konecranes specializes in overhead cranes, providing several variations including rope hoist, chain hoist, portable, gantry, and wall-mounted console cranes. Their cranes are used in construction, shipping, and mining.

Notable Models

• Gottwald Model 6 and Gottwald Model 8, used extensively in construction and shipping applications.

Features

• Sway control and target positioning for enhanced safety and productivity.

5. Zhenhua Heavy Industries Co., Ltd (ZPMC)

Headquarters

• Shanghai, China

Total Revenue from Cranes

• $3.43 billion

Specialties

• ZPMC is a significant player in the crane manufacturing industry, particularly known for its heavy-duty cranes used in port and shipping applications.

6. SANY Heavy Equipment Co., Ltd

Headquarters

• Changsha, China

Total Revenue from Cranes

• $3.43 billion

Specialties

• SANY is the leading manufacturer of construction and overhead cranes. They produce a wide range of cranes suitable for various applications, including the Sany SRC843, one of the largest crawler cranes in the world.

Market Presence

• Dominant market share in China, the largest industrial and construction market globally.

7. Cargotec

Headquarters

• Helsinki, Finland

Total Revenue from Cranes

• $2.52 billion

Specialties

• Cargotec is involved in the manufacturing of cranes and other cargo handling solutions. Their products are used in various industries, including construction and shipping.

8. Manitowoc Cranes

Headquarters

• Wisconsin, USA

Total Revenue from Cranes

• $1.70 billion

Specialties

• Manitowoc Cranes is a leading manufacturer of cranes, including tower cranes, mobile cranes, and crawler cranes. They are known for their innovative crane designs and technology.

9. Tadano

Headquarters

• Kagawa, Japan

Founded

• 1948

Total Revenue from Cranes

• $1.63 billion

Specialties

• Tadano specializes in manufacturing rough terrain and all-terrain cranes. Their cranes are used extensively in global construction and mining projects.

Notable Models

• Rough-terrain cranes, often used in large processing plants.

Market Presence

• Mobile cranes account for 56% of the total demand in North America.

Key Statistics and Global Presence

• XCMG: Operations in over 180 countries, with a strong presence in the global construction machinery market.
• Zoomlion: Branches in more than 40 countries, emphasizing global reach and market penetration.
• Liebherr: Known for its global presence in the heavy-duty crane market, particularly in offshore and cargo handling sectors.
• Konecranes: Global operations with a focus on overhead cranes used in various industrial settings.
• SANY: Dominant in the Chinese market, which is the largest industrial and construction market worldwide.

Conclusion

The top crane manufacturers in the world are characterized by their innovative designs, global market presence, and the ability to cater to a wide range of industries. From heavy-duty offshore cranes by Liebherr to the extensive range of construction cranes by SANY and XCMG, each manufacturer brings unique strengths and specialties to the table. Understanding these manufacturers and their offerings is crucial for industries that rely heavily on crane technology.

All Types of Overhead Cranes for Sale in China

Guide to Overhead Cranes: Types, Features, and Applications

Introduction

Overhead cranes are essential pieces of equipment in industrial settings, designed to lift, move, and position heavy loads both horizontally and vertically. Understanding the various types of overhead cranes, their features, and applications is crucial for selecting the right crane for your specific needs.

Types of Overhead Cranes

Single Girder Overhead Cranes

• Basic Structure: A single girder crane consists of a single bridge girder supported on two end trucks. The trolley hoist mechanism runs on the bottom flange of the bridge girder.
• Main Types and Models:
• LB Model: Span of 3-16m, working class A3-A5, lifting capacity of 1-16 tons, and lifting heights of 6, 9, 12, 18, 24m[1].
• LX Explosion Proof Overhead Crane: Span of 7.5-28.5m, working class A3, lifting capacity of 0.5-10 tons, and lifting heights of 6, 9, 12, 18m[1].
• LDY Model: Span of 3-16m, working class A3, lifting capacity of 1-10 tons, and lifting heights of 9, 12, 15, 18, 20m[1].
• LDP Model: Span of 7.5-22.5m, working class A3, A4, lifting capacity of 3-10 tons, and lifting heights of 6, 9, 12m[1].
• LDE Model: Span of 7.5-22.5m, working class A3, lifting capacity of (5+5) ton, (10+10) ton, and lifting heights of 6, 9, 12, 18, 24, 30m[1].
• SL Model: Span of 1-10m, working class A3, lifting capacity of 1-5 tons, and lifting heights of 1-6m[1].
• LDZ Model: Span of 4.5-28.5m, working class A5, lifting capacity of 3-10 tons, and lifting heights of 9, 12, 15, 18, 20m[1].

Double Girder Overhead Cranes

• Basic Structure: A double girder crane consists of two girder beams supported by an end truck on each side. The electric hoist trolley runs on a rail installed above the bridge girders.
• Advantages: High lifting capacity, increased height, greater stability, customizability, and versatility. They do not require floor space, making them ideal for industrial settings with limited space[1][2][4].
• Main Types and Models:
• LH Model: Suitable for light and middle-grade working duties, span size of 6-40m, lifting capacity of 5t, 10t, 15t, 20t, 25t, 32/5t. Working temperature: -25 to 40°C[2].
• QD Model: Span of 10.5-31m, working class A5, A6, lifting capacity of 5-450 tons, and lifting height of 26m[1].
• QB Model: Span of 10.5-31.5m, working class A4, lifting capacity of 5-75 tons, and lifting heights of 14-22m[1].
• QE Model: Span of 10.5-31.5m, working class A5, A6, lifting capacity of 5-16 tons, and lifting height of 16m[1].
• QDY Model: Span of 10.5-31.5m, working class A7, lifting capacity of less than 75 tons, and lifting height of 20m[1].
• QZ Model: Span of 10.5-31.5m, working class A6, lifting capacity of 5, 10, 16, 20 tons, and lifting heights of 18, 20, 26, 28m[1].
• QC Model: Span of 10.5-31.5m, working class A6, lifting capacity of 5-32/5 tons, and lifting height of 18m[1].

Features of Overhead Cranes

Single Girder Overhead Cranes

• Cost-Effective: Generally less expensive than double girder cranes due to simpler design and fewer materials.
• Space Efficiency: Ideal for facilities with limited headroom or where the crane needs to be installed under existing structures[4].

Double Girder Overhead Cranes

• High Lifting Capacity: Can handle heavier loads and longer spans compared to single girder cranes.
• Greater Stability: The two girders provide greater stability and support, making them suitable for heavier-duty applications.
• Customizability: Can be customized to meet specific industrial needs and applications.
• Versatility: Suitable for various operating conditions and provide one-stop solutions[1][2][4].

Specifications and Technical Parameters

Double Girder Overhead Cranes

• Lifting Capacity: Ranges from 3 tons to 450 tons depending on the model.
• Span: Typically ranges from 6 to 40 meters.
• Lifting Height: Can vary from 3 to 60 meters.
• Working Duty: Classified under A4, A5, A6, and A7.
• Control Methods: Can be controlled via remote control or pendant control.
• Electrical Parts: Often use components from reputable brands like CHINT or Schneider.
• Motors and Bearings: Use Chinese Nanjing brand motors and HRB bearings.
• Hook and Hoist: Feature forged hooks with safety locks and variable hoist lifting speeds[2][3].

Applications of Overhead Cranes

Overhead cranes are widely used in various industries due to their efficiency and versatility:
– Steel Plants: For handling heavy steel products.
– Oil Industry: For lifting and moving heavy equipment.
– Cement Plants: For managing heavy loads in the production process.
– Power Plants: For maintenance and material handling.
– Food Industry: For lifting and moving heavy machinery and raw materials.
– Chemical Industry: For handling hazardous materials safely.
– Construction and Shipyard: For lifting and positioning heavy components.
– Transport and Logistics: For loading and unloading heavy cargo[2][3][4].

Selection Criteria

When selecting an overhead crane, consider the following factors:
– Lifting Capacity: Ensure the crane can handle the maximum weight you need to lift.
– Span and Lifting Height: Choose a crane with a span and lifting height that matches your facility’s dimensions.
– Working Duty Class: Select a crane with a working duty class that aligns with your operational needs (e.g

Mobile Crane Types China Manufacturer Guide

Guide to Mobile Crane Types

Introduction

Mobile cranes are versatile and essential pieces of equipment in the construction, logistics, and various other industries. They offer the advantage of being easily transported to different job sites and can handle a variety of terrain and specific site issues. Here is a comprehensive guide to the most common types of mobile cranes.

Types of Mobile Cranes

1. Truck-Mounted Cranes

• Description: These cranes are mounted on a truck chassis, making them highly adaptable and easy to transport between job sites.
• Capabilities: They can hoist loads ranging from 14.5 to 1,300 short tons and can drive on highways.
• Features: Many truck-mounted cranes can swivel a full 360 degrees and are equipped with counterweights and outriggers for stability.
• Best Use: Ideal for building construction, maintenance projects, and any job requiring quick setup and mobility[1][3][5].

2. All Terrain Cranes

• Description: Designed to travel both on normal roads and rough terrain, these cranes combine the benefits of truck-mounted and rough terrain cranes.
• Capabilities: They can handle loads up to 1,300 short tons and are equipped with large tires and powerful engines.
• Features: All terrain cranes have hydraulic outriggers to support lifting heavy loads on uneven surfaces.
• Best Use: Suitable for a wide range of terrains, including paved highways and off-road areas[1][3][5].

3. Rough Terrain Cranes

• Description: These cranes are built for off-road use and are equipped with four large rubber tires, typically with four-wheel drive.
• Capabilities: They are ideal for pick and carry operations in rough terrains and can handle significant loads, though the exact weight capacity varies but generally is lower than all-terrain cranes.
• Features: Rough terrain cranes come with outriggers to improve stability and are often used in oil fields, mining sites, and infrastructure projects[1][3][5].

4. Crawler Cranes

• Description: These heavy-duty cranes move on treads (crawlers) instead of wheels, providing stability and the ability to handle very heavy loads.
• Capabilities: Crawler cranes can handle weights up to 3,500 short tons and are highly adaptable on various terrains.
• Features: They do not require outriggers due to their wide base and track system, but they need to be disassembled and transported to the work site.
• Best Use: Ideal for heavy-duty work, especially during the initial phases of construction projects[1][2][3].

5. Telescopic Handler Cranes

• Description: Essentially forklift trucks with a telescoping boom attached, these cranes are versatile and can rotate 360 degrees.
• Capabilities: They are used for tasks like moving pallets of bricks or hoisting framing trusses in place.
• Features: Telescopic handler cranes are simple to operate and can navigate confined spaces.
• Best Use: Suitable for tasks that require both lifting and moving materials over short distances[1][4].

6. Carry Deck Cranes

• Description: Small, four-wheeled cranes that evolved from the older pick and carry models.
• Capabilities: They can rotate a full 360 degrees and are simple to set up, making them highly portable.
• Features: Carry deck cranes are ideal for loading and moving materials in confined and open spaces.
• Best Use: Best for tasks requiring high mobility and the ability to navigate tight spaces[2][3][4].

7. Sidelifter Cranes

• Description: Permanently mounted on the top of a flatbed truck or a railroad car.
• Capabilities: Primarily used to load and unload containers, but can also be used in some construction applications.
• Features: Sidelifter cranes are specialized for container handling and are not as versatile as other types.
• Best Use: Ideal for logistics and container handling[1].

8. Floating Cranes/Crane Ships/Crane Vessels

• Description: Cranes mounted on a pontoon or a specialized crane barge.
• Capabilities: Used in bridge and port construction, offloading difficult loads from ships, and salvaging sunken ships.
• Features: Highly specialized and adaptable for water-based construction and logistics.
• Best Use: Suitable for maritime and aquatic construction projects[2][3][4].

9. Aerial Cranes (Skycranes)

• Description: Helicopters outfitted to lift and transport heavy loads.
• Capabilities: Used in areas inaccessible to traditional cranes, such as high-rises, military projects, or disaster relief areas.
• Features: Long cables or slings are connected to the helicopter to carry loads.
• Best Use: Ideal for unique and challenging environments where traditional cranes cannot operate[2][4].

10. Loader Cranes/Lorry Cranes

• Description: Hydraulically powered lifting machines mounted on a truck or trailer.
• Capabilities: Equipped with automated lifting capabilities and can travel easily on roads.
• Features: Loader cranes have a boom (arm) and are used for loading, unloading, and repair work.
• Best Use: Suitable for loading and unloading vehicles and general repair tasks[2][3].

Choosing the Right Mobile Crane

When selecting a mobile crane for your project, consider the following factors:
– Terrain: Different cranes are suited for different terrains. For example, rough terrain cranes are ideal for off-road areas, while all terrain cranes can handle both paved roads and rough terrains.
– Load Capacity: Determine the weight and size of the loads you need to lift and choose a crane that can handle those loads.
– Mobility: Consider how easily the crane can be transported to and around the job site.
– Setup Time: Some cranes, like truck-mounted and all terrain cranes, require less setup time compared to crawler cranes.
– Specialized Needs: For unique environments or tasks, such as water-based projects or high-rise construction, specialized cranes like floating cranes or aerial cranes may be necessary.

By understanding the different types of mobile cranes and their capabilities, you can make informed decisions to ensure your project is completed efficiently and safely.

Truck Mounted Crane Manufacturer in China

Since the provided websites do not include the specific content from https://ouco-industry.com/truck_mounted_crane.html, I will create a comprehensive guide based on the general information about truck-mounted cranes gathered from the other sources.

Truck-Mounted Cranes: A Comprehensive Guide

Introduction

Truck-mounted cranes, also known as truck cranes or crane trucks, are versatile and essential pieces of equipment in various industries, including construction, logistics, forestry, and utilities. These cranes combine the mobility of a truck with the lifting capabilities of a crane, making them ideal for a wide range of tasks.

Types of Truck-Mounted Cranes

Knuckle Boom Truck Cranes

• Features and Advantages:
• Knuckle boom truck cranes are characterized by their articulated “knuckle” arm, which provides excellent control and flexibility.
• They are compact and can fold into a small space when not in use, making them perfect for projects with limited space.
• These cranes are known for their precision and versatility, allowing them to maneuver into tight spots where straight boom cranes cannot[1][3][4].

Lattice Boom Truck Cranes

• Features and Advantages:
• Lattice boom truck cranes feature a lightweight lattice boom structure that can reach high elevations.
• They are ideal for tasks requiring vertical lift over long distances and are easy to transport and assemble due to their modular lattice sections.
• These cranes are suitable for diverse sites, including those with restricted access or rough terrain, and are often used in bridge construction and tower assembly[1][3].

Telescopic Truck Cranes

• Features and Advantages:
• Telescopic truck cranes offer a unique combination of compactness and extendable reach.
• The boom can extend and retract, allowing operators to adjust the crane’s reach on the fly.
• These cranes are highly versatile and suitable for both short-range lifting in confined spaces and longer-range tasks where reach is paramount. They also have quick setup and breakdown times, enhancing project efficiency[1][3][4].

Boom Trucks

• Features and Advantages:
• Boom trucks are truck-mounted cranes with a hydraulic crane attached to the truck’s chassis.
• They feature a hydraulically operated articulated arm or boom with a cable and hook system.
• Boom trucks are particularly useful in industrial settings due to their flexibility and maneuverability. They are often used in building construction to lift and place materials such as steel beams and HVAC units[3][4][5].

Key Characteristics of Truck-Mounted Cranes

Lifting Capacity

• Truck-mounted cranes have a wide range of lifting capacities, from approximately 14.5 tons to 1,300 tons, making them suitable for various heavy lifting tasks[2][3].

Mobility

• These cranes are mounted on trucks, allowing them to travel on highways and move around job sites easily. This mobility eliminates the need for special equipment to transport the crane to different locations[2][3].

Height and Reach

• Truck-mounted cranes have an impressive height and reach, enabling them to lift and move materials to high or hard-to-reach areas. They can reach over buildings, bridges, and other obstacles[3][4].

Safety Features

• Modern truck-mounted cranes are equipped with safety features such as load moment indicators and anti-two block systems, ensuring operations are conducted with the highest safety standards[1].

Components of a Truck-Mounted Crane

Basic Structure

• The basic structure, or shell, includes the anchors and bearing systems for turning the column[4].

Column

• The column is the main support for the hydraulic boom system[4].

Arm System

• The arm system includes the main boom and any extendable sections, which are structural parts of the loader boom truck system[4].

Stabilizers

• Stabilizers add solidity to the load-bearing structure and are anchored to the vehicle. They can have a seat fixed to the crane column or a platform located at its base[4].

Hydraulic Crane System

• This system includes a pressurized pumping mechanism with lubricating oil that activates the boom’s movement through hydraulic cylinders[4].

Hydraulic Jacks

• Hydraulic jacks level the machine and allow the crane to operate properly by transferring the weight to the stabilizers rather than the tires[4].

Applications and Uses

Construction

• Truck-mounted cranes are extensively used in construction projects for lifting and placing materials such as steel beams, precast concrete panels, and HVAC units. They are particularly useful in urban construction sites and projects with limited access[1][3][5].

Logistics

• These cranes are used in logistics for transporting and lifting large containers, making them essential in sectors that require the movement of heavy goods[4].

Utilities and Maintenance

• Truck-mounted cranes are valuable for utility and maintenance projects, such as servicing electrical utilities and installing advertising signs[5].

Selection and Operation

Determine Lifting Requirements

• The first step in selecting a truck-mounted crane is to determine the weight of the loads that need to be lifted and moved on the job site[3].

Evaluate Reach and Height

• Assess the maximum height and distance the crane needs to reach to ensure the chosen crane meets the project’s requirements[3].

Consider Mobility

• Evaluate the mobility of the crane, considering the size of the job site, space requirements, and any potential obstacles that could limit mobility[3].

Assess Space Requirements

• Depending on the job site’s space constraints, choose a crane that is compact or has a smaller footprint to ensure it can operate effectively[3].

By understanding the different types, characteristics, and applications of truck-mounted cranes, you can make an informed decision when selecting the right crane for your project, ensuring efficiency, safety, and successful execution.

The Most Comprehensive Introduction To China’s Crane …

Comprehensive Guide to China’s Cranes and Their Accessories: Understanding Nameplates and Key Components

Introduction

This guide provides a detailed overview of cranes produced in China, focusing on the critical information found on crane nameplates and the various components that make up these complex machines. Understanding these elements is essential for ensuring safe, efficient, and effective crane operations.

Crane Types

China manufactures a variety of crane types, each designed for specific applications:

General Bridge Cranes

• These cranes are mounted on overhead runways and are commonly used in indoor settings such as warehouses and factories.

Explosion-Proof Overhead Cranes

• Designed for use in hazardous environments where flammable gases or dust are present.

General Gantry Cranes

• Similar to bridge cranes but have legs instead of being supported by the building structure, allowing them to move along the floor.

Jib Cranes

• Feature a vertical mast supporting a horizontal boom or jib, often used in smaller work areas or individual workstations.

Crane Nameplate Parameters

The nameplate on a crane contains vital information necessary for its safe and proper operation. Here are the key parameters:

Product License Code

• Each manufacturer has a unique Product License Code, indicating that the crane meets regulatory requirements.

Type

• Different models of cranes have their respective type codes, which help in identifying the specific crane model.

Lifting Capacity

• The rated lifting capacity (Q) is the maximum weight the crane can lift in a single operation under normal working conditions. This does not include the weight of the hook and moving pulley group but does include the weight of removable material handling devices like grabs and electromagnetic suction cups.

Lifting Speed

• Refers to the vertical displacement speed of the rated load, measured in meters per minute (m/min). Cranes often have multiple lifting speeds, such as fast and slow speeds.

Crane Travel Speed

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

Main/Auxiliary Hook Lifting Height

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

Effective Cantilever

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

Working State Wind Power

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

Total Power

• The total power consumption of the entire crane system, including motors, transmission devices, hydraulic systems, and auxiliary equipment, expressed in watts (W) or kilowatts (kW).

Product Number

• A unique number assigned by the manufacturer, used to access all information about the product.

Crane Components

Understanding the various components of a crane is crucial for its efficient and safe operation:

Crane Trolleys

• Move along the crane’s beam, carrying the hoist and hook to position the load.

Crane Hoists

• Primary lifting devices that raise and lower loads. There are also explosion-proof hoists for hazardous environments.

Winches

• Used for pulling or lifting loads and can be manual or powered.

Crane Control Cabinets

• House the electrical controls and safety devices that operate the crane.

Three-Phase Induction Motors

• Power the crane’s movements, including lifting, traveling, and slewing.

Crane Cable Reels

• Manage the cable or wire rope, ensuring it is properly wound and unwound during operations.

Crane Drums

• Used in conjunction with wire ropes to lift and lower loads.

Crane Rail Clamps

• Secure the crane to the rail to prevent movement during operation.

Crane Hooks

• The most basic form of hoist attachment, used for general lifting purposes. Self-locking hooks are particularly useful for ensuring load safety.

Crane Reducers

• Gearboxes that reduce the speed of the motor while increasing the torque, essential for precise and controlled movements.

Crane Brakes

• Critical safety devices that stop the crane’s movements in case of emergencies or at the end of operations.

Crane Load Limiters

• Devices that prevent the crane from lifting loads beyond its rated capacity, ensuring safety and preventing accidents.

Conclusion

Understanding the nameplate parameters and the various components of cranes is essential for their safe and efficient operation. By knowing the lifting capacity, lifting speed, and other critical details, operators can ensure that the crane is used within its limits and that all safety protocols are followed. This guide provides a comprehensive overview to help both novices and experienced professionals in the crane industry make informed decisions and maintain high standards of safety and efficiency.

Tower Crane,China Construction Machinery …

Guide to Tower Cranes and Construction Hoists from Dahan Technology Co, Ltd.

Company Overview

Dahan Technology Co, Ltd. is a professional manufacturer of tower cranes and construction hoists, committed to delivering high-quality products and innovative solutions. The company has manufactured and sold over 50,000 sets of tower cranes and construction hoists, exporting to more than 50 countries and regions.

Product Series

Main Product Categories

Dahan Technology Co, Ltd. offers four main series of products:

Top-Kit Tower Cranes

• These cranes are designed for versatility and ease of assembly, making them suitable for a wide range of construction projects.

Flat-Top Tower Cranes

• Known as “Topless Tower Cranes,” these are easy to assemble and often used in projects where overhead clearance is a consideration, such as near airports.

Luffing Jib Tower Cranes

• These cranes are specialized for constructing tall buildings and are particularly useful in urban areas where space is limited.

Construction Hoists

• Also known as construction elevators, these are driven by gear-and-rack transmission and are widely used for transporting personnel and materials on construction sites.

Manufacturing and Quality Control

Raw Materials and Testing

• The company uses high-quality raw materials supplied by well-known enterprises such as Baosteel, Anshan Steel, and Wuhan Iron and Steel.
• All raw materials undergo multiple tests, including appearance testing and tensile testing, to ensure superior quality.

Advanced Manufacturing Technology

• Dahan Technology Co, Ltd. is the first in the Chinese tower crane industry to introduce welding robots, currently operating over 100 sets.
• The company employs advanced shot blasting and paint spraying lines, ensuring precise and stable welding quality.
• CNC plasma cutters, CNC drilling machines, lathes, milling machines, and sawing machines are used to guarantee high cutting performance and precision.

Quality Assurance

• Each main welding part of the machine undergoes flaw detection, paint film thickness detection, salt spray corrosion resistance tests, electronic system tests, and complete machine debugging before leaving the factory.
• This rigorous testing ensures that the products delivered to clients are safe and reliable.

Research and Development

R&D Team

• The company boasts an intelligent and innovative R&D staff of approximately 100 people.
• This team is instrumental in developing new technologies and improving existing products.

National Patents and Standards

• Dahan Technology Co, Ltd. holds 28 national patents and has participated in the revision of the Chinese national tower crane standard (GB13752).

Global Presence and Certifications

Export and Service

• Products are exported to over 50 countries and regions, with a strong global presence.
• The company provides overseas service outlets in several countries.

Certifications

• All products come with ISO, CE, and other certifications, ensuring compliance with international standards.

Workforce and Facilities

Skilled Workforce

• The company employs 2,300 skilled, talented, and dedicated workers.

Advanced Facilities

• Dahan Technology Co, Ltd. operates over 100 sets of welding robots and has the most advanced shot blasting and paint spraying lines in the world.
• The company owns over 1,000 sets of processing equipment, including CNC plasma cutters and CNC profile sawing machines.

Conclusion

Dahan Technology Co, Ltd. stands as a leader in the manufacture and supply of tower cranes and construction hoists, offering a wide range of products that meet various construction needs. With a strong focus on quality, innovation, and global service, the company continues to be a reliable partner for construction projects worldwide.

Frequently Asked Questions (FAQs)

What are the main types of cranes produced in China?

China produces a wide range of crane types to cater to various industries and applications. The primary types include mobile cranes such as crawler cranes, rough terrain cranes, all-terrain cranes, and truck-mounted cranes. Fixed cranes, including overhead cranes and tower cranes, are also widely manufactured. Additionally, specialized cranes like explosion-proof overhead cranes, general gantry cranes, jib cranes, and European-type cranes are produced to meet specific industry needs such as in machinery production, petrochemicals, and warehouse logistics[3][4][5].

What are the key features of European-type cranes produced in China?

European-type cranes produced in China are known for their advanced technology and efficiency. These cranes are designed using modular theories and modern computer technology, incorporating optimized and reliable design methods. They feature low running and maintenance costs, high performance, ease of operation, safety, and reliability. Additionally, they are characterized by green production technology, lightweight construction, energy conservation, and environmental protection. These cranes also offer optional features such as PLC + man-machine interface and safety monitoring systems[2].

How has XCMG contributed to the development of the crane industry in China?

XCMG is a leading crane manufacturer in China and has significantly contributed to the industry’s development. The company has been at the forefront of technical innovation, upgrading manufacturing processes, and improving product quality. XCMG has introduced several groundbreaking products, including the world’s first 4,000-ton crawler crane, the first 6-arm 80-ton crane truck (XCT80L6), and the world’s first 8-axle all-terrain crane over 1,000 tons (XCA1200). These innovations have helped XCMG dominate the domestic market and expand its presence in international markets, particularly in regions along the “One Belt and One Road” initiative[1].

What information is typically included on the nameplate of a crane produced in China?

The nameplate of a crane produced in China includes several critical pieces of information. For general bridge cranes, this includes the product license code, type code, rated lifting capacity (which does not include the weight of the hook and moving pulley group), lifting speed, and crane travel speed. Additionally, the nameplate may specify the working class of the crane, which is determined by the frequency of use and the size of the load it bears. Other details such as the manufacturing date, product number, and specific parameters for crane components like trolleys and hoists are also provided[3].

What are the market trends and growth prospects for the crane industry in China?

The crane industry in China is expected to experience significant growth driven by several factors. The market is anticipated to reach a value of USD 245 billion and a volume of 200,170 units by 2027, growing at a compound annual growth rate (CAGR) of 3.21% during 2021-2027. The demand for mobile cranes, particularly large-tonnage crawler cranes and truck cranes, is rising due to infrastructure development projects, including wind power construction. Government policies and investments by foreign multinationals are also driving the growth. The market is shifting towards medium-tonnage tower cranes and advanced, green manufacturing technologies, such as XCMG’s natural gas-fueled crane trucks[4].