In the bustling construction landscapes of China, one piece of machinery stands out for its precision, reliability, and sheer scale: the hammerhead tower crane. These towering giants are indispensable in modern construction, enabling the accurate and efficient handling of heavy materials that underpin the country’s rapid urban development.

This in-depth guide delves into the world of hammerhead cranes in China, exploring their history, technical specifications, and the critical role they play in shaping the country’s skyline. Readers will gain insights into the manufacturing process, the advantages of these cranes over other types, and how they are integrated into various construction projects. Additionally, the guide will cover maintenance and safety protocols, as well as the future trends and innovations in crane technology.

Whether you are a construction professional, an engineering enthusiast, or simply curious about the machinery that builds our cities, this guide will provide a comprehensive understanding of the hammerhead tower crane’s significance and operation in China. Join us as we ascend into the world of these engineering

Hammerhead crane

Since the specific website https://www.symtowercrane.com/products/Hammerhead+crane.html is not accessible in the provided search results, I will create a comprehensive guide on Hammerhead Tower Cranes based on the information available from other reliable sources.

Hammerhead Tower Cranes: A Comprehensive Guide

Introduction

Hammerhead tower cranes are a type of heavy-duty lifting equipment widely used in various construction and industrial projects. They are known for their robust design, high lifting capacity, and versatility.

Key Features

Load Capacity

Hammerhead tower cranes have a load capacity ranging from 12 to 50 tons, making them suitable for heavy lifting tasks such as pre-cast construction, port operations, and industrial applications[1][2][4].

Jib Length and Height

These cranes typically have a maximum jib length of up to 80 meters (262.4 feet) and can reach heights of over 120 meters when anchored. The free-standing height can range from 29 to 50 meters depending on the model[2][3][4].

Tip Load Capacity

The tip load capacity, which is the load at the end of the jib, can vary but is generally around 3-11 tons depending on the crane model and its maximum jib length[1][2][4].

Applications

Construction

Hammerhead tower cranes are extensively used in high-rise building construction, infrastructure projects, and other large-scale construction sites where heavy and precise lifting is required[2][3].

Industrial and Port Operations

These cranes are also used in industrial settings and ports for handling heavy loads and equipment[1].

Energy and Mining

They are versatile enough to be used in energy-related projects and mining operations due to their reliability and high lifting capacities[2].

Technical Specifications

Hoisting Mechanism

• The hoisting mechanism includes high-performance motors and advanced braking systems to ensure safe and reliable lifting operations. The lifting speed can vary from 0-100 m/min depending on the model[4].

Trolley Mechanism

• The trolley mechanism allows for precise movement along the jib, with speeds ranging from 25 to 60 m/min. This mechanism often includes planetary gear reducers with brake motors for maintenance-free operation[3][4].

Slewing Mechanism

• The slewing mechanism enables the crane to rotate 360 degrees, with slewing speeds typically ranging from 0.6 to 0.7 r/min[3][4].

Safety Features

• Hammerhead tower cranes are equipped with various safety devices such as hoisting height limiters, slewing range limiters, multifunctional limiters, anemoscopes, and obstacle lights to prevent accidents and ensure safe operation[4].

Maintenance and Reliability

Design and Components

• These cranes are designed for easy maintenance and reliable performance, ensuring excellent uptime. They feature comfortable ergonomic cabs, high-performance load diagrams, and built-in safety features[2][5].

Materials and Construction

• The cranes are made from high-quality materials such as angel steel seamless tubes and square tubes, ensuring durability and reliability. The raw materials are often sourced from reputable suppliers to maintain high product quality[4].

Operational Considerations

Setup and Height Requirements

• The height of the hammerhead tower crane needs to be 10 to 15 meters above the maximum height of the building to ensure safe operation[3].

Electrical and Hydraulic Systems

• The cranes are equipped with advanced electrical systems, including French Schneider contactors, power and phase sequence protection, and motor overload protection. Hydraulic systems, such as hydraulic self-propelling devices, are also integrated for efficient operation[4].

Conclusion

Hammerhead tower cranes are indispensable tools in modern construction and industrial settings due to their high lifting capacities, robust designs, and advanced safety features. Understanding their key features, applications, and technical specifications is crucial for selecting the right crane for your project needs and ensuring efficient and safe operation.

Hammerhead tower crane

Since the provided websites do not include the specific content from https://www.tavolgroup.com/products/Hammerhead+tower+crane.html, I will create a comprehensive guide based on the general information about hammerhead tower cranes gathered from the other sources.

Hammerhead Tower Crane Guide

Introduction

Hammerhead tower cranes are a type of heavy-duty lifting equipment widely used in various construction, industrial, and port applications. They are known for their robust design, high lifting capacity, and versatility.

Key Characteristics

Load Capacity

Hammerhead tower cranes have load capacities ranging from 12 to 50 tons, making them suitable for a variety of heavy lifting tasks such as pre-cast concrete, industrial projects, and port operations[1][3][4].

Maximum Working Range

These cranes typically have a maximum working range of 47 to 82 meters, depending on the model. For example, the QTZ4708 model has a maximum working range of 47 meters, while some Liebherr models can reach up to 82 meters[2][4].

Height and Free-Standing Capability

The height of hammerhead tower cranes needs to be 10 to 15 meters above the maximum height of the building to ensure safe and efficient operation. Free-standing heights can range from 29 to 52.4 meters, and when anchored, they can reach heights of up to 180 meters[2][3].

Tip Load and Lifting Moment

The tip load capacity varies by model but can range from 0.8 tons to 11 tons. The maximum lifting moment also varies, with some models offering up to 43.8 t.m or more[2][3].

Industry Applications

Construction

Hammerhead tower cranes are extensively used in construction projects due to their ability to handle heavy loads over long distances. They are ideal for high-rise buildings, bridges, and large infrastructure projects[1][3][5].

Industrial

In industrial settings, these cranes are used for heavy lifting tasks such as moving machinery and equipment. Their high load capacity and precision make them a valuable asset in industrial environments[1][3].

Ports

At ports, hammerhead tower cranes are used for loading and unloading heavy cargo. Their long reach and high load capacity make them efficient for port operations[1][3].

Selection Guide

Determining Arm Length

The arm length of the crane should be long enough to cover the entire project area with a slight margin. This ensures that all parts of the construction site can be accessed efficiently[2].

Height Considerations

The crane’s height should be at least 10 to 15 meters above the maximum height of the building to avoid obstacles and ensure safe operation[2].

Load Capacity

The load capacity of the crane should be determined based on the weight of the objects to be lifted. Different models offer various load capacities, so selecting the right model is crucial[2].

Main Components and Mechanisms

Hoisting Mechanism

The hoisting mechanism is responsible for lifting the load. It includes components like winches and motors that provide the necessary power and control[3].

Trolleying Mechanism

The trolleying mechanism allows the load to be moved along the jib, providing lateral movement. This mechanism is crucial for precise placement of loads[3].

Slewing Mechanism

The slewing mechanism enables the crane to rotate, allowing it to cover a wide area around the tower. This is essential for multitasking and efficient site management[3].

Safety and Maintenance

Built-in Safety Features

Modern hammerhead tower cranes come with built-in safety features such as load moment indicators, anti-collision systems, and emergency stop mechanisms to ensure safe operation[5].

Maintenance

Regular maintenance is crucial to ensure the crane operates efficiently and safely. This includes checking the mechanical components, electrical systems, and performing routine inspections[5].

Models and Specifications

Example Models

• QTZ4708: Maximum working range of 47 meters, maximum lifting height of 120 meters, and a maximum lifting load of 4 tons[2].
• GHT7032-12: Maximum working range of 70 meters, free-standing height of 52.4 meters, and a maximum load of 12 tons[3].
• Liebherr 420 EC-H 16: Maximum working range of 75 meters, maximum capacity of 16,000 kg, and a tip capacity of 3,200 kg[4].

Conclusion

Hammerhead tower cranes are indispensable in modern construction and industrial projects due to their high load capacity, long reach, and robust design. By understanding the key characteristics, industry applications, and selection criteria, users can choose the right crane for their specific needs, ensuring efficient and safe operation. Regular maintenance and adherence to safety protocols are also vital for the longevity and performance of these cranes.

70m Jib Hammer Head Tower Crane

Guide to the BQ GHT7032-12 Hammer Head Tower Crane

Overview

The BQ GHT7032-12 Hammer Head Tower Crane is a top-slewing crane designed for heavy-duty lifting tasks in various construction and industrial settings. Here is a detailed guide to its specifications, features, and applications.

Key Specifications

General Specifications

• Model Number: GHT7032-12 (MC310K12)
• Brand: BQ
• Type: Hammer Head Tower Crane
• Place of Origin: China

Structural Specifications

• Jib Length: 70 meters
• Free Standing Height: 52.4 meters
• Mast Section Size: 2.0m * 2.0m * 3.0m mast (L68B2)

Lifting Capabilities

• Maximum Load: 12 tons
• Tip Load: 3.2 tons

Mechanisms

• Hoisting Mechanism: 55JLF30
• Trolleying Mechanism: 120JXL
• Slewing Mechanism: RCV145

Performance and Features

Lifting Performance

• The crane has a maximum working range of 70 meters, making it suitable for large construction projects.
• The maximum load capacity is 12 tons, with a tip load of 3.2 tons, ensuring efficient and safe lifting of heavy loads.

Mechanism Capabilities

• Hoisting Mechanism: The 55JLF30 hoisting mechanism provides reliable and efficient lifting operations.
• Trolleying Mechanism: The 120JXL trolleying mechanism allows for smooth movement of the load along the jib.
• Slewing Mechanism: The RCV145 slewing mechanism enables precise rotation of the crane.

Operational Flexibility

• The crane is available in three types: travelling type, stationary type, and inner-climbing type, catering to different project requirements.
• Customers can choose frequency conversion speed change technology for the hoisting, trolleying, and slewing mechanisms to optimize performance.

Design and Construction

Novel Design and Advanced Mechanism

• The GHT7032-12 features a novel design and advanced mechanisms, ensuring reliable performance and high operating efficiency.
• The crane incorporates technologies such as group technology, combinatorial design technique, and finite element analysis technique.

Cabin and Control

• The crane cabin is equipped with air-conditioning and a joystick for comfortable and precise control.

Applications

Industry Use

• Construction Works: Ideal for large-scale construction projects, including high-rise buildings and infrastructure development.
• Other Industrial Applications: Suitable for pre-cast, ports, and other heavy lifting tasks in industrial settings.

Service and Support

Warranty and Maintenance

• Core Component Warranty Period: 1 year
• Out-of-warranty Service: Video technical support and online support are available.
• Overseas Service Outlets: Local services are provided in countries such as the UAE.

Additional Services

• Video Factory Inspection: Provided to ensure quality and performance.
• Mechanical Test Report: Available for verification of the crane’s specifications and performance.

Conclusion

The BQ GHT7032-12 Hammer Head Tower Crane is a robust and versatile lifting solution designed to meet the demands of heavy-duty construction and industrial projects. With its advanced mechanisms, high lifting capacity, and flexible operational options, this crane is an excellent choice for ensuring efficient, safe, and reliable lifting operations.

S450L25 Chinese Manufactured Hammerhead Tower Crane

S450L25 Chinese Manufactured Hammerhead Tower Crane: An In-Depth Guide

Overview

The S450L25 is a highly reliable and versatile hammerhead tower crane, also known as a topkit tower crane, manufactured by SYM Hoist&Tower Crane Equipment in China. This crane is widely used for precise and accurate handling of heavy materials in various construction projects.

Key Specifications

Maximum Load and Jib Length

• Maximum Load: 25 tons
• Jib Length: 75 meters
• Tip Load: 4 tons at the jib end[5].

Height and Stability

• Free Standing Height: 77.9 meters
• The crane is designed to ensure stability and reliability, making it suitable for a variety of construction environments.

Types of Tower Cranes

The S450L25 falls under the category of hammerhead or topkit tower cranes, which are distinguished by their tower cap and jib structure. Here are some key points about this type:

Advantages of Hammerhead Tower Cranes

• Reliability and Precision: Hammerhead tower cranes are known for their precise and accurate handling of heavy materials.
• Wide Application: These cranes are widely used in construction projects due to their reliability and versatility.
• Structural Integrity: Despite the emergence of topless tower cranes, hammerhead tower cranes remain popular for their robust structure and stability[5].

Technical Features

Electrical and Control Systems

While the specific website does not detail the electrical control system of the S450L25, it is common for such cranes to feature advanced control systems, including:
– PLC Control: Programable Logic Controllers (PLCs) enhance reliability and safety.
– Advanced Electrical Elements: Often produced by professional manufacturers using foreign technology, these elements offer longer service lives, fewer faults, and easier maintenance[1].

Mechanisms and Performance

• Hoisting Mechanism: Typically includes multiple speed settings to ensure efficient and precise lifting operations.
• Slewing Mechanism: Allows for smooth and controlled rotation of the crane.
• Trolley Mechanism: Facilitates the movement of the load along the jib.
• Climbing Mechanism: Enables the crane to be raised or lowered as needed during the construction process[2].

Operational Modes and Applications

Multiple Operation Modes

• Stationary Crane with Embedded Outriggers: Suitable for projects requiring a stable base.
• Stationary Crane with Under-Frame: For projects where the crane needs to be anchored to a foundation.
• Stationary Crane with Embedded Bolts: For added stability in certain ground conditions.
• Crane Anchored to Wall: For use in confined or urban construction sites[1].

Wide Application

The S450L25 is applicable to various construction projects, including:
– High-Rise Buildings: Due to its high free-standing height and maximum load capacity.
– Infrastructure Projects: Such as bridges, highways, and large-scale civil engineering projects.
– Industrial Construction: For handling heavy equipment and materials.

Safety Features

Mechanical and Mechatronic Safety Devices

• These cranes are equipped with a variety of safety devices to ensure reliable operation in severe working conditions.
• Independent Cab: The cab is externally installed, providing good vision and a large inner space for operators.
• Stability and Speed Regulation: Features like stepless speed regulation by frequency control ensure stable and reliable operation[1].

After-Sales Service and Support

Spare Parts and Maintenance

• Original Spare Parts: SYM Hoist&Tower Crane Equipment provides 100% original spare parts.
• Experienced Support: With over 20 years of experience, the company offers comprehensive support from pre-sales to after-sales processes.
• Client Rights Protection: The company prioritizes protecting the rights of clients throughout the entire process[5].

Conclusion

The S450L25 Chinese Manufactured Hammerhead Tower Crane is a robust and reliable piece of equipment designed for precise and heavy-duty construction tasks. Its advanced technical features, multiple operation modes, and strong safety measures make it an ideal choice for a wide range of construction projects. With comprehensive after-sales support and original spare parts, this crane ensures long-term efficiency and reliability.

Hot sale china brand self erecting construction lift …

Guide to Self-Erecting Tower Cranes

Introduction

Self-erecting tower cranes are versatile and efficient pieces of equipment designed to streamline construction processes. Here is a comprehensive guide to their features, benefits, and applications.

Key Features of Self-Erecting Tower Cranes

Design and Transportability

• Self-erecting tower cranes are designed to fold up into multiple sections for easy transport. They typically fold into two sections for the tower and two or more sections for the jib, making them legal for transport on highways or via flatbed trucks[1][2][5].

Setup and Erection

• These cranes are known for their rapid setup and erection. The process from beginning to full operation usually takes between 2 to 3 hours, including calibration and testing. The actual erection time is typically between 15 to 30 minutes[1][2][5].

Operational Capabilities

• Self-erecting tower cranes have varying capacities, with jib radii ranging from 80 to 160 feet, hook heights from 55 to 120 feet, tip loads between 1,000 and 3,000 pounds, and maximum loads from 2,000 to 11,000 pounds[1][4].

Benefits of Self-Erecting Tower Cranes

Improved Efficiency and Productivity

• These cranes significantly improve efficiency by reducing the need for multiple pieces of material handling equipment such as telehandlers, mobile cranes, and all-terrain forklifts. They can be operated by a single crew member, enhancing productivity[1][2][5].

Cost Savings

• By reducing the need for specialized equipment and labor, self-erecting tower cranes help in saving costs. They also reduce fuel costs associated with operating other material handling equipment[1][2][5].

Environmental and Safety Benefits

• Self-erecting tower cranes often operate on electricity, making them environmentally friendly with no emissions or noise. This also enhances team communication and reduces the risk of worker injuries and compensation claims[1][2][5].

Compact Footprint

• These cranes have a minimal footprint, ranging from a 10×10 foot to a 14×14 foot area, making them ideal for tight and impassable job sites where other equipment cannot operate[1][2][5].

Applications of Self-Erecting Tower Cranes

Masonry and Wall Construction

• Self-erecting tower cranes are highly effective for lifting masonry blocks and prefabricated wall sections. They eliminate the need for telehandlers and other equipment, especially in sites with limited access[1][2][5].

Multi-Storied Construction

• These cranes are versatile and can be adjusted to various heights and jib configurations, making them suitable for multi-storied building projects. They can handle tasks such as placing trusses, roof rafters, and flooring materials efficiently[1][2][5].

General Material Handling

• Self-erecting tower cranes can handle a wide range of material handling tasks including placing lumber, engineered floor joists, and other construction materials. They can also be used for tasks like trash removal and other site-specific needs[1][2][5].

Operational Advantages

Autonomous Operation

• Self-erecting tower cranes can be operated autonomously with features like wireless remote control, allowing a single crew member to manage the crane from anywhere on the site[2][5].

Precision and Control

• These cranes often come with advanced electronic controls, such as Terex Power Plus and Power Match functions, ensuring precise setting and control of the crane[4].

Versatility

• Self-erecting tower cranes can cover the entire jobsite from one location, reducing the need for frequent relocations and setup of equipment. This versatility makes them highly valuable for various construction projects[1][2][4].

Conclusion

Self-erecting tower cranes offer a multitude of benefits, including rapid setup, improved efficiency, cost savings, and environmental sustainability. Their versatility and ability to handle a wide range of construction tasks make them an essential tool for modern construction projects.

Hammerhead

Since the provided website does not have a specific page for “hammerhead” cranes under the Manitowoc domain, the following guide is compiled from general information about hammerhead cranes and relevant details from Potain, a brand owned by Manitowoc.

Hammerhead Tower Cranes: An In-Depth Guide

Introduction

Hammerhead tower cranes are a type of top-slewing crane distinguished by their unique design and capabilities, making them a crucial tool in various construction projects. Here’s a comprehensive guide to understanding these cranes.

Design and Components

Mast and Jib Configuration

Hammerhead cranes feature a vertical mast from which a horizontal jib extends, resembling the shape of a hammerhead. This design allows for significant lifting capacities and stability, making them ideal for heavy-load lifting in construction sites[2][3].

Slewing Mechanism

The slewing mechanism enables the entire crane to rotate 360 degrees, providing flexibility and eliminating the need for constant repositioning. This feature is essential for efficient operation on busy construction sites[2].

Key Features

Lifting Capacity

Hammerhead cranes are known for their high lifting capacities. They can handle heavy loads to significant heights, making them suitable for large-scale construction projects such as skyscrapers, infrastructure developments, and power plants[1][2].

Working Radius

The jib’s length translates to a vast working radius, allowing materials to be delivered precisely to any location on the construction site. This reach is crucial for managing large and complex projects efficiently[2].

Compact Footprint

Despite their capabilities, hammerhead cranes have a relatively compact footprint, which makes them suitable for urban areas and constrained construction sites where space is limited[2].

Operational Capabilities

Load Handling

Hammerhead cranes can lift heavy loads to great heights while maintaining stability. The crane’s hoisting winch and trolley motors work in tandem to raise and move loads horizontally at adjustable speeds, ensuring precise and efficient load handling[1].

Height and Reach

These cranes can achieve significant heights under hook, depending on the mast and jib configuration. For example, the Potain MCT 2205, while not exclusively a hammerhead, can reach heights of up to 99.9 meters with the right fixing angles[1].

Maintenance and Reliability

Easy Maintenance

Hammerhead cranes are designed for easy maintenance and reliable performance. They are equipped with components that ensure excellent uptime, such as ergonomic cabs, high-performance load diagrams, and built-in safety features[3].

Safety Features

These cranes are engineered with safety in mind, including features that enhance operator safety and ease of use. This includes secure anchoring or attachment to building structures to handle heavy loads with control[2].

Applications

Large-Scale Construction

Hammerhead cranes are widely used in large-scale construction projects, including high-rise buildings, infrastructure developments, and power plants. Their ability to lift heavy loads to significant heights makes them indispensable in these environments[1][2].

Urban Construction

Their compact footprint and ability to operate in constrained spaces make hammerhead cranes suitable for urban construction sites where space is limited[2].

Conclusion

Hammerhead tower cranes are powerful and versatile tools in the construction industry, offering high lifting capacities, significant working radii, and a compact design. Their reliability, ease of maintenance, and safety features make them a preferred choice for various large-scale and urban construction projects. Understanding the design, features, and operational capabilities of these cranes is essential for maximizing their benefits in construction environments.

Hammerhead Tower Crane – from China

Since the provided URL does not lead to a specific webpage with detailed information on hammerhead tower cranes, I will create a comprehensive guide based on the general knowledge of hammerhead tower cranes and related information from the other sources.

Guide to Hammerhead Tower Cranes

Introduction

Hammerhead tower cranes are a type of tower crane widely used in the construction industry, particularly for high-rise and large-scale projects. They are known for their versatility, reliability, and efficiency.

Types of Tower Cranes

Hammerhead Tower Cranes

• Design and Functionality: Hammerhead tower cranes are characterized by their horizontal jib (boom) that extends out from the tower, resembling a hammer. This design allows for a wide range of motion and high lifting capacities.
• Applications: These cranes are ideal for high-rise construction, large infrastructure projects, and any site where a significant amount of lifting and moving heavy loads is required.
• Advantages: They offer high lifting capacities, long reach, and the ability to work efficiently in confined spaces when properly positioned.

Key Features of Hammerhead Tower Cranes

Lifting Capacity and Reach

• Hammerhead tower cranes can lift loads ranging from a few tons to over 20 tons, depending on the model and configuration.
• The jib length can vary significantly, allowing for a wide reach that is essential for large construction sites.

Assembly and Installation

• These cranes are typically assembled on-site using a combination of climbing collars and external climbing systems.
• The installation process requires careful planning and execution to ensure stability and safety.

Operator Comfort and Safety

• Modern hammerhead tower cranes often feature ergonomic cabins that enhance operator comfort and safety.
• Advanced safety features include anti-collision systems, load moment indicators, and emergency shutdown systems[1][2][3].

Manufacturers and Distributors

Leading Manufacturers

• JASO: Known for their innovative and reliable tower cranes, JASO offers a range of hammerhead tower cranes with advanced features like energy-efficient systems[1].
• Terex: Terex produces a variety of tower cranes, including hammerhead models, with a focus on performance, safety, and environmental sustainability[2].
• Comansa: Comansa is renowned for its flat-top and luffing-jib cranes but also offers hammerhead models with high lifting capacities and versatile configurations[3].

Distributors and Rental Services

• Companies like Crane Tech Solutions (CTS) serve as exclusive distributors for brands like JASO in specific regions, offering sales, rentals, and comprehensive service support[1].
• Other companies, such as Morrow Equipment and Maxim Crane Works, provide extensive rental services and fleet management for various types of tower cranes, including hammerhead models[4].

Operational Considerations

Site Planning

• Proper site planning is crucial to ensure the safe and efficient operation of hammerhead tower cranes. This includes assessing the terrain, nearby obstacles, and wind conditions.

Maintenance and Service

• Regular maintenance is essential to maintain the crane’s performance and extend its lifespan. This includes routine checks, part replacements, and periodic inspections.
• Many manufacturers and distributors offer comprehensive maintenance packages and support services to ensure the crane operates optimally[1][2][3].

Training and Safety Protocols

• Operators must undergo thorough training to handle hammerhead tower cranes safely and efficiently.
• Adhering to strict safety protocols, including daily inspections and compliance with industry standards, is vital to prevent accidents and ensure a safe working environment.

Conclusion

Hammerhead tower cranes are indispensable tools in modern construction, offering a combination of high lifting capacities, long reach, and operational versatility. By understanding their features, applications, and operational considerations, construction teams can leverage these cranes to achieve efficient and safe project execution.

Hammerhead Tower Crane China Manufacturer Guide

Given that the specific website you mentioned is not accessible in the search results, I will create a comprehensive guide to hammerhead tower cranes based on the information from the other sources.

Hammerhead Tower Crane Guide

Introduction

Hammerhead tower cranes are a type of heavy-duty lifting equipment widely used in various construction and industrial projects. They are known for their robust design, high lifting capacity, and versatility.

Key Characteristics

Load Capacity

Hammerhead tower cranes have a load capacity ranging from 12 to 50 tons, making them suitable for heavy lifting tasks in construction, industrial, and port applications[1][3][4].

Jib Length and Working Range

These cranes typically have jib lengths ranging from 47 to 70 meters, allowing them to cover extensive areas of construction sites. The maximum working range can vary, but it often exceeds 60 meters[2][3][4].

Height and Free Standing Capability

The height of a hammerhead tower crane needs to be 10 to 15 meters above the maximum height of the building. Free-standing heights can range from 29 to 59.7 meters, and when anchored, the maximum lifting height can reach up to 120 meters[2][3][4].

Technical Specifications

Hoisting Mechanism

Hammerhead tower cranes are equipped with advanced hoisting mechanisms, such as the 55JLF30 or 45JLF25, which provide reliable and efficient lifting operations[3][4].

Trolleying and Slewing Mechanisms

The trolleying mechanism allows for the movement of the load along the jib, while the slewing mechanism enables the crane to rotate. Models like the 120JXL and RCV145 are commonly used[3][4].

Tip Load and Maximum Lifting Moment

The tip load, which is the load at the end of the jib, can range from 0.8 to 3.2 tons, depending on the model. The maximum lifting moment can be as high as 43.8 t.m[2][3].

Industry Applications

Construction

Hammerhead tower cranes are extensively used in construction projects for lifting heavy building materials, pre-cast components, and other construction equipment[1][3][4].

Industrial

These cranes are also used in industrial settings for tasks such as material handling and equipment installation[1].

Port and Oil & Gas

Their high lifting capacity makes them ideal for port operations and oil & gas projects where heavy loads need to be lifted and moved efficiently[1].

Selection Guide

Determining Arm Length

The arm length of the crane should be long enough to cover the entire project area with a slight margin. This is determined based on the dimensions of the construction building[2].

Height Considerations

The crane’s height should be at least 10 to 15 meters above the maximum height of the building to ensure safe and efficient operations[2].

Models and Variations

Common Models

Models like the QTZ4708, QTZ7052, and QTZ900 offer varying capacities and working ranges, catering to different project requirements[1][2].

Customization

Many manufacturers offer customization options, including different types such as travelling, stationary, and inner-climbing tower cranes. Customers can also choose frequency conversion speed change technology for the hoisting, trolleying, and slewing mechanisms[3][4].

Maintenance and Support

Warranty and Service

Most hammerhead tower cranes come with a one-year warranty on core components such as bearings, gearboxes, and motors. Manufacturers also provide online support, video technical support, and overseas service outlets in some cases[3][4].

Safety and Efficiency

Design and Technology

Hammerhead tower cranes incorporate advanced technologies like group technology, combinatorial design, and finite element analysis to ensure robust and reliable performance[2].

Operating Efficiency

These cranes are designed for high operating efficiency, with features such as variable speed control and advanced mechanisms that enhance their performance and safety[3][4].

Conclusion

Hammerhead tower cranes are essential tools in modern construction and industrial projects due to their high lifting capacity, versatility, and advanced technological features. By understanding their key characteristics, technical specifications, and industry applications, users can make informed decisions when selecting and operating these cranes to achieve their project goals efficiently and safely.

Hammerhead Tower Crane CHINA brand small large 10-90 …

Hammerhead Tower Crane: A Comprehensive Guide

Introduction

Hammerhead tower cranes are versatile and heavy-duty lifting solutions widely used in various industries, including construction, industrial, and port applications. These cranes are known for their robust design, high lifting capacity, and adaptability to different project requirements.

Key Characteristics

Load Capacity

Hammerhead tower cranes have a load capacity ranging from 12 to 50 tons, making them suitable for a variety of heavy lifting tasks such as pre-cast concrete, industrial projects, and port operations[1][2][5].

Jib Length and Working Range

These cranes typically feature jib lengths ranging from 47 to 82 meters, with maximum working ranges that can extend up to 70 meters or more. This extensive reach allows for efficient coverage of large construction sites[2][3][5].

Free Standing Height and Maximum Lifting Height

The free standing height of hammerhead tower cranes can vary from 29 to 59.7 meters, and when anchored, the maximum lifting height can reach up to 120 meters or more. This flexibility is crucial for tall structures and complex construction projects[2][3][5].

Technical Specifications

Hoisting, Trolleying, and Slewing Mechanisms

• Hoisting Mechanism: Equipped with advanced hoisting mechanisms such as the 55JLF30 or 45JLF25, these cranes offer multiple speed options to optimize lifting operations[2][5].
• Trolleying Mechanism: Mechanisms like the 120JXL or 95JXL enable smooth and efficient trolley movement along the jib[2][5].
• Slewing Mechanism: The slewing mechanism, such as the RCV145 or RCV95, allows for precise 360-degree rotation, enhancing the crane’s versatility[2][5].

Mast and Jib Structure

• Mast Section: Typically made from robust materials like 2.0m2.0m3.0m mast sections (L68B2) or square tube sections, ensuring stability and strength[2][5].
• Jib: The jib is designed with an upper chord and lower chord structure, often using seamless tube or square tube materials for durability[3].

Industry Applications

Construction

Hammerhead tower cranes are extensively used in construction projects due to their high load capacity and long jib lengths, making them ideal for lifting heavy building materials and equipment[1][2][5].

Industrial

These cranes are also used in industrial settings for tasks such as material handling and equipment installation, where precision and heavy lifting are required[1][2].

Port Operations

In port environments, hammerhead tower cranes are utilized for loading and unloading cargo, leveraging their high load capacity and long reach[1][2].

Safety and Efficiency Features

Advanced Mechanisms

• Frequency Conversion Speed Change Technology: Some models offer frequency conversion speed change technology for the hoisting, trolleying, and slewing mechanisms, enhancing operational efficiency and precision[2].
• Cabin Air-Conditioning and Joystick Control: Modern hammerhead tower cranes often come with air-conditioned cabins and joystick controls, improving operator comfort and control[2].

Warranty and Support

Most manufacturers provide a one-year warranty on core components such as bearings, gearboxes, motors, and pumps. Additionally, they offer online support, video technical support, and overseas service outlets for maintenance and repairs[2][5].

Models and Variations

Model Examples

• Q7032 – 12T: With a max load of 12 tons, a maximum working range of 70 meters, and a tip load of 3.2 tons[1].
• GHT7032-12 (MC310K12): Featuring a max load of 12 tons, a jib length of 70 meters, and a tip load of 3.2 tons[2].
• GHT6024-10 (MC205): With a max load of 10 tons, a jib length of 60 meters, and a tip load of 2.4 tons[5].

Conclusion

Hammerhead tower cranes are indispensable tools in modern construction and industrial projects, offering a combination of high load capacity, extensive reach, and advanced operational mechanisms. Their robust design, versatility, and comprehensive support make them an ideal choice for a wide range of heavy lifting tasks.

Hammerhead Crane Suppliers & Exporters in China

Guide to Hammerhead Tower Cranes

Introduction

Hammerhead tower cranes are among the most versatile and widely used cranes in the construction and industrial sectors. Known for their reliability, precision, and adaptability, these cranes are essential for handling heavy materials and performing a variety of lifting tasks.

Key Characteristics

Load Capacity and Working Range

Hammerhead tower cranes are designed to handle heavy loads, with capacities ranging from 12 to 50 tons, depending on the model. They have a maximum working range that can extend up to 70 meters or more, making them suitable for large-scale construction projects[1][2][4].

Design and Construction

These cranes feature a robust design with modular components, which facilitates safer, quicker, and more efficient erection, disassembly, and transportation. The modular design allows the crane to be built in sections, enhancing its versatility and ease of use[5].

Industry Applications

Construction

Hammerhead tower cranes are extensively used in construction sites for lifting heavy building materials, such as concrete, steel beams, and prefabricated components. Their high lifting capacity and precise horizontal movement make them ideal for this industry[1][5].

Industrial and Port Applications

These cranes are also utilized in industrial settings, including ports and oil & gas projects, where heavy lifting is a regular requirement. Their adaptability and reliability ensure efficient operations in diverse environments[1][2].

Technical Specifications

Maximum Lifting Capacity

The maximum lifting capacity of hammerhead tower cranes varies by model but can range from 12 tons to 40 tons or more. For example, the QTZ 900 – 50T model has a maximum lifting capacity of 50 tons[1].

Maximum Working Range

The maximum working range of these cranes can extend up to 70 meters or more. For instance, the GHT7032-12 model has a jib length of 70 meters[4].

Tip Load Capacity

The tip load capacity, which is the load that can be lifted at the end of the jib, is an important specification. Models like the Q7032 – 12T have a tip load capacity of 3.2 tons[1].

Free Standing Height and Anchoring Height

Hammerhead tower cranes can operate at significant heights. For example, the GHT7032-12 model has a free standing height of 52.4 meters and can be anchored to reach heights of up to 120 meters[3][4].

Operational Features

Hoisting, Trolleying, and Slewing Mechanisms

These cranes are equipped with advanced hoisting, trolleying, and slewing mechanisms that allow for precise and efficient movement of loads. The mechanisms often include frequency converter motors that reduce power requirements and enhance the crane’s working life[5].

Ergonomic Operator Cab

Modern hammerhead tower cranes feature ergonomic, climate-controlled operator cabs with easy-to-read display panels and stepless motor operation. This enhances the operator’s comfort and control over the crane[5].

Maintenance and Safety Features

Hammerhead tower cranes are designed with ease of maintenance in mind, including built-in safety features such as anti-collision and zoning systems, and optional CCTV camera installations. These features ensure safe and efficient operation[5].

Models and Variations

Different Models

There are various models of hammerhead tower cranes available, each with unique specifications. For example:
– Q7032 – 12T: 12-ton maximum load, 70-meter maximum working range, and 3.2-ton tip load[1].
– GHT7032-12: 12-ton maximum load, 70-meter jib length, and 3.2-ton tip load[4].
– 550 EC-H 20 Litronic: 20-ton maximum load, 82-meter maximum working range, and 4,000 kg tip load[2].

Customization and Special Requirements

Many manufacturers offer customization options and special requirements to meet specific project needs. This includes different types of tower cranes such as travelling, stationary, and inner climbing models[4].

Conclusion

Hammerhead tower cranes are indispensable tools in the construction and industrial sectors due to their robust design, high lifting capacity, and precise operational capabilities. Understanding their key characteristics, industry applications, technical specifications, and operational features is crucial for selecting the right crane for your project needs. Whether you are involved in construction, industrial, or port operations, a hammerhead tower crane can significantly enhance the efficiency and safety of your lifting operations.

Frequently Asked Questions (FAQs)

What are the key specifications and capabilities of a hammerhead tower crane?

Hammerhead tower cranes are known for their robust construction and reliable performance. These cranes have a maximum lifting capacity that ranges from 4 to 64 tons, depending on the specific model. The maximum lifting height can reach up to 262 feet, making them suitable for a wide range of building heights. They feature a jib length of up to 230 feet, allowing for a wide working radius. The cranes are equipped with a hoist mechanism that provides smooth and precise lifting operations, and they are powered by electric motors for efficient and eco-friendly operation. Additionally, they come with safety features such as overload protection, anti-collision systems, and emergency stop buttons.

How do hammerhead tower cranes ensure stability and balance during operation?

The stability and balance of hammerhead tower cranes are ensured through several design elements. The hammerhead connects the tower body and the slewing bearing, maintaining the balance of the entire tower body. The pull rod on the hammerhead forms a triangle support with the jib boom and the balance arm, ensuring the overall balance in the horizontal direction. This design prevents excessive distortion of the mast section when the crane turns, thereby enhancing stability and reliability during operation.

What safety features are typically included in hammerhead tower cranes?

Hammerhead tower cranes are equipped with several safety features to ensure safe and efficient operation. These include overload protection systems that prevent the crane from lifting loads beyond its capacity, anti-collision systems that prevent collisions with other cranes or obstacles, and emergency stop buttons that allow immediate shutdown in case of an emergency. Additionally, the cranes have a sturdy base and mast structure, providing stability and reliability. The operator’s cabin is also designed to be spacious and ergonomic, ensuring comfort and ease of operation.

What are the considerations for purchasing and installing a hammerhead tower crane from China?

When purchasing a hammerhead tower crane from China, several considerations are crucial. Ensure that the manufacturer has a strict quality control process in place and request certifications and warranties to safeguard against any defects. It is important to connect with the supplier to understand the installation process and ensure they provide adequate training for your operators. Proper installation and training are essential for the safe and efficient operation of the crane. Additionally, verify that the crane complies with all relevant safety standards and regulations in your country to avoid legal issues and ensure worker safety.

What are the advantages of sourcing hammerhead tower cranes from Chinese manufacturers?

Sourcing hammerhead tower cranes from Chinese manufacturers offers several advantages. China is a leading manufacturer of tower cranes, known for producing reliable and durable machinery. Buyers can benefit from competitive pricing and fast production lead times. Chinese manufacturers such as Zoomlion, XCMG, Sany, and Yongmao have established reputations for producing high-quality tower cranes and have a strong presence in both domestic and international markets. This allows buyers to access a wide selection of crane models that meet their specific project requirements. However, it is important to address potential risks such as quality control issues and language barriers through thorough due diligence.