In the heart of China’s rapid urbanization and industrialization, the fixed crane industry stands as a pivotal component, driving the country’s construction, infrastructure, and economic growth. The demand for fixed cranes, particularly tower cranes, has skyrocketed due to the relentless pace of high-rise building construction, large-scale infrastructure projects, and the expansion of key sectors such as power and utility, and shipbuilding.

This in-depth guide delves into the intricacies of the fixed crane market in China, exploring the market’s size, growth projections, and the factors driving its expansion. Readers will gain insights into the technological advancements, such as the adoption of telematics, that are revolutionizing crane operations. The guide will also examine the impact of government regulations, safety standards, and the competitive landscape dominated by local and global players.

From understanding the different types of fixed cranes, including tower, hammerhead, and luffing cranes, to analyzing the regional dynamics and future trends, this guide

China Fixed Lattice Boom Crane Manufacturers, Suppliers

Guide to Fixed Lattice Boom Cranes

Introduction

Fixed lattice boom cranes are specialized heavy-lifting machines designed for permanent or long-term installation in various environments, such as ports, construction sites, and offshore platforms. These cranes are renowned for their robustness, reliability, and ability to handle heavy loads in challenging conditions.

Key Components of a Fixed Lattice Boom Crane

Boom Structure

• The lattice boom is constructed from multiple steel bars welded in a “W” or “V” shape, enhancing its strength while reducing weight. This design allows the boom to handle massive loads efficiently[3][5].

Hoisting System

• The hoisting system includes a hook attached to an electric motor-controlled steel cable. This system enables the crane to lift and move loads vertically. The cables are made of helically twisted reinforced steel to ensure strength and stability[3].

Crane Cabin and Controls

• The operator’s cabin is typically accessed internally through the deck mounting, with an emergency exit via an outside ladder. The cabin houses the controls necessary for operating the crane, including sensors and safety systems[1].

Performance Capabilities

Lifting Capacity

• Fixed lattice boom cranes can have hoisting capacities ranging from 50 to 300 tonnes SWL (Safe Working Load), depending on the model and application. The whip hoist, if equipped, can have a capacity of up to 30 tonnes SWL[1].

Outreach

• These cranes can achieve outreaches of up to 50 meters, allowing for extensive coverage and versatility in load handling[1].

Design and Construction

General Design

• The cranes are designed to operate in harsh environments, from tropical to Arctic conditions. All machinery is housed inside an enclosed crane housing, protecting it from corrosive elements[1].

Stability and Mobility

• Although fixed, these cranes are often mounted on stable platforms or foundations that ensure minimal movement and maximum stability during operation. For crawler-mounted versions, the tracks distribute the weight evenly, enhancing stability on various terrains[2][4].

Standard and Optional Features

Standard Features

• Error Override (EO): Allows the selection of another sensor if a malfunction is detected in one.
• Manual Overload Protection System (MOPS): Prevents overloading and ensures safe operation.
• Personnel Handling on Whip Hoist Winch: Enables safe handling of personnel.
• Constant Tensioning on Whip Hoist Winch: Maintains consistent tension to prevent load swing.
• Anti-Collision 3D, Static/Dynamic: Prevents collisions with other structures.
• Wind Speed Indicator: Monitors wind conditions to ensure safe operation.
• Level-Luffing: Maintains the boom at a consistent angle despite changes in the crane’s height[1].

Optional Features

• Camera System in Boom Top and Crane House: Enhances visibility and safety.
• Tugger Winches: Additional winches for handling smaller loads.
• Automatic Lubrication of Slewing Bearing: Reduces maintenance needs.
• Jack-Ups for Replacing Slewing Bearing On-Site: Facilitates maintenance without dismantling the crane.
• Active Pendulation Control (APC) on Main Hoist Winch: Reduces load swing.
• EX-Proof Equipment on Boom: For use in explosive environments.
• Portable Service Crane: For maintenance and repair tasks[1].

Operational Environments

Offshore and Subsea

• Fixed lattice boom cranes are often installed on floating or fixed offshore platforms. They comply with industry standards such as API-2C and are designed to handle heavy loads in corrosive and challenging marine environments[1].

Port and Construction Sites

• These cranes are also used in ports for cargo handling and in construction sites for lifting heavy building materials. Their stability and lifting capacity make them ideal for long-term projects in various terrains[4].

Safety and Maintenance

Safety Systems

• The cranes are equipped with multiple safety features, including anti-collision systems, wind speed indicators, and manual overload protection. These systems ensure safe operation and protect both the crane and the personnel[1].

Maintenance

• Regular maintenance is crucial for the longevity of the crane. Features like automatic lubrication and the ability to replace the slewing bearing on-site reduce downtime and maintenance costs[1].

Conclusion

Fixed lattice boom cranes are powerful and reliable tools for heavy lifting in various environments. Their robust design, extensive safety features, and high lifting capacities make them indispensable for construction, offshore operations, and port cargo handling. Understanding the components, capabilities, and operational features of these cranes is essential for their effective and safe use.

Gantry Crane Manufacture/Supplier in China

Gantry Cranes: A Comprehensive Guide

Introduction

Gantry cranes are versatile and powerful lifting solutions used in various industries, including construction, manufacturing, ports, and more. They are known for their efficiency, durability, and ability to handle a wide range of lifting tasks.

Types of Gantry Cranes

Single Girder Gantry Cranes

• Application: Suitable for smaller lifting applications.
• Design: Features a single girder beam, often used in workshops, storage facilities, and outdoor locations.
• Capacity: Typically ranges from 1 to 20 tons[3][4].

Double Girder Gantry Cranes

• Application: Designed for high-capacity and demanding tasks.
• Design: Includes two girder beams, accommodating top-running or under-running trolleys.
• Capacity: Can handle loads from 5 to 500 tons[3][4].

Semi-Gantry Cranes

• Application: Used for materials handling in warehouses, outdoor places, and loading/unloading tasks.
• Design: Smaller or medium-sized cranes with one leg running on a rail and the other on the floor or another rail.
• Capacity: Generally ranges from 2 to 10 tons[2].

L-Shaped Gantry Cranes

• Application: Commonly used in freight yards, railroad stations, and storage facilities.
• Design: Features L-shaped legs and a single beam, ideal for handling extended loads.
• Capacity: Ranges from 5 to 50 tons[3].

U-Shaped Gantry Cranes

• Application: Ideal for lifting large and heavy loads.
• Design: Includes support legs in a “U” configuration, providing additional clearance between the legs and girders.
• Capacity: Can handle heavy loads and extend on one or both sides to create cantilevers[3].

Truss Gantry Cranes

• Application: Suitable for windy environments due to their high safety features, lower price, and lighter weight.
• Design: Features a truss structure for added stability.
• Capacity: Ranges from 1 to 50 tons[2].

Key Components of Gantry Cranes

Mechanical Parts

• Lifting Mechanism: Includes the hoist and its associated motors and gears.
• Trolley Traveling Mechanism: Allows the trolley to move along the girder.
• Gantry Crane Traveling Mechanism: Enables the crane to move along its runway[2].

Structural Parts

• Gantry Frame: The main structure of the crane, including the girders and legs.
• Trolley: Moves along the girder to position the hoist over the load[2].

Electrical Parts

• Electrical Equipment: Includes motors, control systems, and electrical lines.
• Control Systems: Can include pendant, radio, or remote control options[2][4].

Specifications and Features

Lifting Capacity

• Ranges from a few hundred pounds to several hundred tons, depending on the crane type[3].

Span Length

• Can vary from 8 to 35 meters, depending on the application and crane type[2][4].

Lifting Height

• Typically up to 10 meters, but can be extended up to 15 meters or more in some configurations[1][4].

Traveling Speeds

• Hoist Speed: Often dual-speed, such as 5/0.83 m/min.
• Trolley Traverse Speed: Can be stepless, typically around 20 m/min.
• Bridge Travel Speed: Also stepless, often around 32 m/min[1].

Safety Features

• Overload Limiting Device: Prevents overloading.
• Disk Brakes: In all motors for secure stopping.
• Thermal Protection: On hoisting motors to prevent overheating.
• Emergency Stops: On each leg and at the control station.
• Anti-Collision Devices: To prevent collisions between cranes.
• Load Display: Shows the load weight on the crane.
• Horn and Warning Systems: For alerting operators and nearby personnel[1][4].

Control Options

• Pendant Control: A wired control system.
• Radio Remote Control: For wireless operation, often with a backup pendant[1][4].

Power and Voltage

• Main Voltage: Typically 3-phase, 415 V, 50 Hz.
• Control Voltage: Often 48 V[1].

Environmental Considerations

• Ambient Temperature: Can operate in temperatures from -10 to 40 °C.
• Surface Treatment: Crane structure and machinery are treated for corrosion resistance[1].

Selection and Installation

Factors to Consider

• Lifting Capacity: Ensure the crane can handle the maximum load required.
• Span and Lifting Height: Match the crane’s specifications to the workspace requirements.
• Working Class: Choose a crane with the appropriate working class (e.g., A3, A5, A6) based on the frequency and severity of use[2].

Installation

• Railway Installation: Ensure the runway rails are properly aligned and secured.
• Electrical Connections: Connect the electrical equipment according to the manufacturer’s instructions.
• Testing: Perform thorough safety and operational tests before putting the crane into service[4].

Maintenance and Safety

Regular Maintenance

• Inspections: Regularly inspect the crane’s mechanical, structural, and electrical components.
• Lubrication: Keep moving parts lubricated.
• Repairs: Address any issues promptly to maintain crane reliability and safety[4].

Safety Practices

• Operator Training: Ensure operators are trained and certified.
• Load Handling: Follow safe load handling practices to avoid accidents.
• Emergency Procedures: Establish clear emergency procedures and ensure all personnel are aware of them[4].

Conclusion

Gantry cranes are essential tools in various industries due to their versatility, strength, and reliability. By understanding the different types, key components, specifications, and safety features, users can select and operate these cranes effectively, ensuring safe and efficient lifting operations. Regular maintenance and adherence to safety practices are crucial for the long-term performance and safety of gantry cranes.

Overhead Crane – Gantry Crane | China Heavy Crane …

Guide to Dafang Cranes: Products, Capabilities, and Services

Company Overview

Henan Dafang Heavy Machine Co., Ltd. is a prominent crane manufacturer equipped with advanced production and testing equipment. The company specializes in producing a wide range of cranes, including gantry cranes, semi gantry cranes, overhead cranes, jib cranes, electric hoists, and more. With a large plant area and a strong focus on quality and customer service, Dafang Crane has become a competitive force in the domestic and international crane industry.

Design Capabilities

• Customized Design: Dafang Crane offers customized designs to meet various working conditions. They provide drawings within 2 working days to ensure quick and tailored solutions.
• R&D Team: The company boasts a 300-member technical R&D team, ensuring continuous innovation and improvement in crane design and technology.
• Intelligent Products: Dafang Crane develops intelligent products such as low-emission unmanned overhead cranes, battery electric flat carts, fully automatic unattended slag grabs, AGV carts, and wellhead double-beam cantilever cranes.

Products Performance

• Material Preparation: The company pre-processes steel plates with shot blasting and uses a marking system to improve welding quality and adherence to welding norms.
• Lightweight Design: Cranes are designed to be lightweight while ensuring safety and a long service life.
• Easy Installation: Electrical parts are pre-connected, and bolts are in place, making operation and installation easier.

Product Range

Overhead Cranes

• Configurations: Overhead cranes come in single girder, double girder, top running, and underhung system configurations to accommodate different facility conditions and lifting requirements.
• Components: Overhead cranes are composed of the bridge, lifting mechanism, crane and trolley travelling mechanisms, control room, and main power conductive devices.
• Bridge: Includes the main beam, end beams, and a walking platform with safety railings.
• Lifting Mechanism: Comprises a motor, reducer, drum, and brake. For cranes with a lifting capacity of 15t and above, there are two sets of lifting mechanisms (main hook and auxiliary hook).
• Crane Travelling Mechanism: Includes motor, transmission shaft, reducer, wheel, and brake with centralized or separate driving modes.
• Trolley Travelling Mechanism: Moves along the bridge rail and consists of a trolley frame, trolley running mechanism, and lifting mechanism.
• Control Room: Houses control devices for crane and trolley mechanisms, lifting mechanisms, and crane protection devices[5].

Gantry Cranes

• Structure: Gantry cranes are composed of metal structure, lifting mechanism, running mechanism, and safety protection system.
• Metal Structure: Includes main beam, end beam, support legs, and lower beams. Can be box-shaped or truss structure.
• Lifting Mechanism: Typically an electric hoist with picking devices such as hooks, grab buckets, or electromagnetic chucks.
• Running Mechanism: Includes trolley running mechanism and crane running mechanism, driven by three-in-one or two-in-one motors.
• Safety Protection System: Features lifting limiter, overload limiter, stroke limiter, bumper, and wind-resistant anti-skid device[4].

Testing and Quality Assurance

• Testing Center: Equipped with non-destructive inspection rooms (ultrasonic and magnetic particle defect detectors), mechanics and chemical inspection rooms (universal testing machine and impact testing), and metallographic analysis and hardness inspection rooms (400 times metallographic microscope and Rockwell hardness tester).
• Quality Control: Random inspections are conducted before raw material production. The QC department tracks every production process, and goods are thoroughly checked before delivery to ensure high-quality products[1].

Service and Maintenance

• Spare Parts: Dafang Crane maintains a stock of matched spare parts, ensuring timely availability when needed.
• Installation and Commissioning: Installation engineers can be dispatched for field installation and commissioning within 48 hours if required.
• After-Sales Service: The company offers a full range of after-sales services, including crane installation, commissioning, staff training, and free technical consultation[2].

Transportation

• Delivery Options: Cranes can be delivered by bulk, container, or other suitable methods.
• Packing: Electrical parts are packed in plywood crates to prevent distortion during transportation.
• Quality Supervision: The Quality Test Department supervises the loading process to ensure no goods are left out[1].

Global Presence

Dafang Crane has offices in several countries, including the Philippines, Indonesia, Malaysia, Pakistan, and Uzbekistan, providing local support and services to customers worldwide[2].

By leveraging its advanced production capabilities, comprehensive testing facilities, and robust after-sales services, Dafang Crane is well-positioned to provide efficient, safe, and cost-effective material handling solutions for a wide range of industrial applications.

China Overhead Crane Manufacturer

Guide to Overhead Cranes

Introduction to Overhead Cranes

Overhead cranes are essential pieces of equipment in various industrial settings, including factories, warehouses, and workshops. They are designed to facilitate the efficient and safe movement of heavy loads within a workspace.

Types of Overhead Cranes

Single Girder Overhead Cranes

Characteristics

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

Advantages

• Lightweight: Single girder cranes are lighter and less expensive compared to double girder cranes[5].
• Easy Installation: Known for easy installation and service, especially in settings where headroom is not a critical issue[4].

Applications

• Suitable for lighter lifting tasks and smaller industrial spaces.

Double Girder Overhead Cranes

Characteristics

• Capacity: Can handle heavier loads, typically ranging from 5 to 450 tons[1][2][5].
• Span: Spans can be up to 31.5 meters[1][2].
• Lifting Height: Can range from 6 to 24 meters[1][2].
• Lifting Speed: Varies from 2.1 to 11.5 meters per minute[2].
• Trolley Speed: Generally between 27 to 40 meters per minute[2].
• Crane Speed: Ranges from 42 to 75 meters per minute[2].

Advantages

• Higher Lifting Capacity: Double girder cranes have a stronger structure and can handle much heavier loads[5].
• Increased Headroom: These cranes provide more headroom under the crane due to the configuration of the hoist and trolley[4].

Applications

• Ideal for heavy-duty applications in large industrial settings such as factories and warehouses.

Mounting Types

Top Running Cranes

Characteristics

• Mounting: Mounted on top of the runway beams, which can be part of the building structure or a freestanding system[5].
• Benefits: Achieves greater lifting height and easier installation and service[4].

Applications

• Suitable for most industrial settings where maximum lifting height is required.

Under Running Cranes

Characteristics

• Mounting: Mounted below the runway beams, typically used when headroom is a significant issue[4].
• Benefits: Optimizes available headroom but may have limited lifting height compared to top running cranes[4].

Applications

• Ideal for spaces with limited headroom, such as in older buildings or areas with structural constraints.

Other Types of Overhead Cranes

Gantry Cranes

Characteristics

• Free-Standing: Do not rely on the building’s structural integrity and can be placed almost anywhere[5].
• Capacity: Can range from a few tons to much heavier loads depending on the design.

Applications

• Often used in outdoor settings or where the building cannot support the weight of a traditional overhead crane.

Jib Cranes

Characteristics

• Boom Arm: Supports a moving hoist and is compact, ideal for operations with limited space[4][5].
• Capacity: Typically up to 5 tons[4].

Applications

• Used in areas where precise load positioning is required and floor space is limited.

Monorail Cranes

Characteristics

• Hoist Movement: The hoist only moves up and down along a single rail[5].
• Applications: Often used in production lines where materials need to be moved along a fixed path.

Technical Parameters and Customization

Work Duty

• Overhead cranes are classified into different work duty categories (e.g., A3 to A7), which indicate their usage and load cycles[1][2].

Temperature Range

• Can operate in a wide temperature range, typically from -20 to +40 degrees Celsius. Specialized cranes can operate up to +60 degrees Celsius[2].

Customization

• Many manufacturers offer customized services to tailor the crane’s specifications to the user’s specific needs, including adjustments in capacity, span, lifting height, and speed[1][2].

Installation and Maintenance

Installation

• Requires careful planning and execution to ensure the crane is securely mounted and aligned with the runway beams. This can include both top running and under running configurations[4].

Maintenance

• Regular maintenance is crucial to ensure the crane’s longevity and safety. This includes inspections, lubrication, and replacement of worn-out parts.

Conclusion

Overhead cranes are versatile and indispensable tools in industrial settings, offering a range of capacities, spans, and mounting options to suit various needs. Understanding the different types, their characteristics, and applications can help in selecting the most appropriate crane for your specific requirements, thereby enhancing efficiency and safety in your workspace.

Gantry Crane For Sale | China Manufacturer

Guide to Gantry Cranes from Kino Cranes

Introduction

Gantry cranes are essential pieces of equipment in various industrial settings, including construction sites, shipyards, and manufacturing plants. Kino Cranes, a leading manufacturer, offers a range of gantry crane solutions tailored to different needs and applications.

Types of Gantry Cranes

Double Girder Gantry Crane

• Design and Application: The double girder gantry crane is a typical A-frame crane designed for general lifting purposes. It is commonly used in outdoor heavy-duty lifting applications such as freight yards, construction sites, railroad terminals, shipyards, and ports[1].
• Key Features:
• Maximum lifting height: 12-30 meters
• Span: Up to 35 meters
• Material: Steel structure
• Power source: Electric
• Certification: CE, ISO9001
• Customization: Available with customized colors and specifications[1].
• Technical Specifications:
• High strength bolt assembly for onsite structural installation
• Full frequency conversion drive and PLC central control for independent mechanism actions[1].

Single Girder Gantry Crane

• Design and Application: The single girder gantry crane is a cost-effective and customizable lifting solution. It is suitable for various industries such as factories, workshops, warehouses, power stations, and logistics centers[5].
• Key Features:
• Lifting capacities: 5 tons, 10 tons, 16/3.2 tons, 20/5 tons, and 32/5 tons
• Safety features: Anti-hook safety devices and reverse rollers to ensure safe operation[3].
• Technical Specifications:
• Single main beam design with horizontal or vertical movement
• Humanized and anti-corrosion design based on working environment[5].

Specialized Gantry Cranes

Large-Tonnage Shipbuilding Gantry Crane

• Application: Specifically designed for shipyards, these cranes are used for the assembly of ship sections and parts.
• Key Features:
• Extra heavy-duty design (A8) according to actual operating conditions
• Incorporation of foreign advanced technologies for optimized performance[5].

Mobile Gantry Crane

• Application: Designed for flexibility, these cranes can be used in various locations where mobility is crucial.
• Key Features:
• Compact design for easy relocation
• Suitable for temporary or project-based lifting needs[5].

Safety Features

• General Safety:
• Emergency stops and flashing beacons integrated into the crane design
• Safety loops to prevent collisions
• Derailment catches and rail cleaners for smooth crane movement[2].
• Wind Protection:
• Storm locks and tiedown systems to prevent sliding or falling in heavy winds
• Wind speed meters providing audible signals for safety actions[2].

Operational Efficiency

• Control Systems:
• Full frequency conversion drive and PLC central control systems for efficient and precise operations
• Options for pendant, radio, or radio with backup pendant controls[1][2].
• Hoist Options:
• CXT wire rope hoists and S-series synthetic rope hoists available, offering features like sway control, hook centering, and slack rope prevention[2].

Maintenance and Service

• After-Sales Service:
• Field installation, commissioning, and training provided
• Regular maintenance support and global customer service[1][4].
• Technical Support:
• Access to Crane Advisor, an online tool offering recommendations based on specific lifting application needs[2].

Customization and Certification

• Customization:
• Kino Cranes offers customized products to meet individual client requirements, including customized colors and specifications[1][5].
• Certification:
• Products are certified with CE and ISO9001, ensuring compliance with international standards[1].

Conclusion

Gantry cranes from Kino Cranes are designed to meet the diverse needs of various industries, offering a blend of safety, efficiency, and customization. Whether it is a double girder crane for heavy-duty applications or a single girder crane for cost-effective solutions, Kino Cranes provides comprehensive support from design to after-sales service, ensuring optimal performance and safety in all operations.

WUXI Port Fixed Crane For Sale

Guide to WUXI Port Fixed Crane

Overview

The WUXI Port Fixed Crane is a specialized piece of equipment designed for loading and unloading operations in various port and warehouse settings. Here is a comprehensive guide to its key features, working principles, and applications.

Working Condition

The WUXI Port Fixed Crane is primarily used for loading and unloading operations in:
– Small and medium-sized wharfs
– Outdoor warehouses
– Stacks or barges in inland ports

This crane is engineered to handle the demands of these environments efficiently.

Boom Models

The crane features several boom models, each with distinct characteristics:

Wire Rope Various Amplitude

This model utilizes wire rope to manage the boom’s amplitude, providing flexibility in lifting operations.

Rack Single Boom Form

This form involves a single boom structure supported by a rack system, ensuring stability and strength.

Four Connecting Rod Form

This model incorporates four connecting rods to enhance the structural integrity and lifting capacity of the boom.

Working Principle

The crane operates based on the principle of complex pulley compensation. Here’s how it works:
– Pulley System: The crane uses a complex system of pulleys to distribute the weight of the cargo evenly.
– Cargo Displacement: This system allows for precise displacement of cargo, making the loading and unloading process more efficient and safe.

Key Features

Structural Design

• The boom is designed with a combination of wire rope, rack, and connecting rod forms to ensure maximum stability and lifting capability.
• The use of complex pulley compensation enhances the crane’s ability to handle various types of cargo.

Operational Versatility

• The crane is versatile and can be used in different settings, including wharfs, warehouses, and inland ports.
• It is designed to handle a range of cargo types, from general cargo to project-specific loads.

Safety and Reliability

• The structural design and pulley system ensure safe and reliable operations, minimizing the risk of accidents.
• The crane is built with high-quality materials and is subject to rigorous testing to ensure it meets stringent safety standards.

Applications

The WUXI Port Fixed Crane is suitable for a variety of applications:

Port Operations

• Loading and unloading containers, bulk cargo, and general cargo.
• Handling project-specific cargoes that require precise and safe lifting.

Warehouse Operations

• Managing inventory in outdoor warehouses by efficiently loading and unloading goods.
• Assisting in stacking and arranging goods within the warehouse.

Inland Port Operations

• Facilitating the loading and unloading of barges and other inland waterway vessels.

Maintenance and Support

The manufacturer, THHI, provides comprehensive support for the crane:

Quality Assurance

• The company adheres to the ISO 9001:2015 quality assurance standard, ensuring high-quality products.
• Regular testing and inspection are conducted to maintain the crane’s performance and safety.

Customer Service

• THHI offers a 100% satisfaction guarantee and encourages feedback to improve their products and services.
• Customers can visit the factory and interact with the technical team for any queries or custom requirements.

Conclusion

The WUXI Port Fixed Crane is a robust and versatile piece of equipment designed to meet the demanding needs of port and warehouse operations. With its advanced structural design, complex pulley system, and focus on safety and reliability, it is an ideal solution for efficient and safe cargo handling.

All Types of Overhead Cranes for Sale in China

Guide to Overhead Cranes: Types, Features, and Applications

Introduction

Overhead cranes are essential pieces of machinery in industrial settings, designed to lift, move, and position heavy loads both horizontally and vertically. This guide will delve into the various types of overhead cranes, their features, benefits, and applications to help you make an informed decision when selecting the right crane for your needs.

Types of Overhead Cranes

Single Girder Bridge Cranes

• Structure: These cranes consist of a single bridge girder supported on two end trucks, with a trolley hoist mechanism running on the bottom flange of the bridge girder.
• Advantages: Single girder cranes are cost-effective, require less material, and are suitable for smaller to moderate lifting applications.
• Applications: Widely used in workshops, manufacturing, repairing, assembly lines, warehouses, and storage yards.
• Specifications:
• Crane Span: 3-16m, 7.5-28.5m
• Working Class: A3-A5
• Lifting Capacity: 0.5-16 tons
• Lifting Height: 6-24m
• Examples:
• LX Explosion Proof Overhead Crane: 0.5-10 tons, 6-18m lifting height
• LDY Overhead Crane: 1-10 tons, 9-20m lifting height
• LDP Overhead Crane: 3-10 tons, 6-12m lifting height[1][3].

Double Girder Bridge Cranes

• Structure: These cranes feature two bridge girders supported on two end trucks, providing greater stability and higher lifting capacities.
• 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.
• Applications: Suitable for heavy-duty applications, including power plants, steel mills, and large manufacturing facilities.
• Specifications:
• Crane Span: 10.5-31.5m
• Working Class: A5-A7
• Lifting Capacity: 5-450 tons
• Lifting Height: 6-30m
• Examples:
• LH Double Girder Overhead Crane: 5-32 tons, 6-30m lifting height
• QD Double Girder Overhead Crane: 5-450 tons, 26m lifting height
• QB Double Girder Overhead Crane: 5-75 tons, 14-22m lifting height[1][3].

Specialized Overhead Cranes

Explosion Proof Overhead Cranes

• Application: Used in environments with flammable gases or mixtures, such as coal mines and factories.
• Features: Equipped with explosion-proof measures in the motor, electrical parts, and mechanical parts to ensure safety.
• Certifications: Coal safety certificate (MA certification) for coal mines and explosion-proof certificate issued by the National Testing Center for factories[4].

Metallurgical Overhead Cranes

• Application: Designed for specific process operations during steel production.
• Features: High working level and ability to withstand harsh working conditions.
• Structure: Similar to ordinary overhead cranes but with special working mechanisms or devices installed on the crane trolley[4].

Grab and Electromagnetic Overhead Cranes

• Application:
• Grab Overhead Cranes: Used for handling bulk materials such as scrap steel, garbage, sand, and soil.
• Electromagnetic Overhead Cranes: Used for lifting and moving magnetic ferrous metal and its products.
• Features: Equipped with grab buckets or electromagnetic chucks as the picking devices[4].

Dual-Purpose and Three-Purpose Overhead Cranes

• Application: Designed for different purposes, allowing for the use of various lifting devices.
• Features:
• Dual-Purpose: Equipped with two sets of independent lifting mechanisms on one trolley.
• Three-Purpose: Can use hooks, grab buckets, or electromagnetic chucks attached to the hook to handle various materials[4].

Key Considerations for Selecting an Overhead Crane

Working Duty Class

• The working duty class (e.g., A3-A7) indicates the crane’s usage intensity and is crucial for ensuring the crane matches your operational needs.

Crane Span and Lifting Height

• The crane span and lifting height must align with the dimensions of your facility and the specific tasks the crane will perform.

Lifting Capacity

• The lifting capacity should be sufficient to handle the heaviest loads you anticipate lifting.

Space Requirements

• Consider the headroom and available space in your facility. Options like low headroom single girder overhead cranes are ideal for places with limited vertical space[3].

Financial Constraints

• Overhead cranes vary significantly in cost. Single girder cranes are generally more cost-effective, while double girder cranes offer higher capacities but at a higher cost.

Customization and Configuration

Overhead cranes can be customized to meet specific industrial needs:
– Hoist Unit: Wire rope hoist or chain hoist.
– Crane Speed and Trolley Speed: Adjustable to optimize efficiency.
– Working Environment: Cranes can be designed for various environments, including explosive or corrosive settings[1][3].

Importance in Various Industries

Overhead cranes are pivotal in several industries, including:
– Manufacturing: Facilitates efficient material handling in workshops and assembly lines.
– Steel Mills: Specialized cranes are used for specific process operations during steel production.
– Warehouses and Storage Yards: Used for loading, unloading, and moving goods.
– Power Plants: Heavy-duty cranes are used for handling heavy equipment and materials[2][4].

By understanding the different types of overhead cranes, their features, and the considerations for selection, you can choose the most suitable crane to enhance the efficiency and safety of your material handling operations.

120+40t Double Girder Overhead Crane

Since the provided URL does not lead to a accessible webpage, I will create a comprehensive guide on double girder overhead cranes based on the information from the other sources.

Double Girder Overhead Cranes: A Comprehensive Guide

Introduction

Double girder overhead cranes are robust and versatile lifting solutions, often used in industries that require the handling of heavy loads over large areas. These cranes are characterized by their two main girders, which provide superior strength, stability, and lifting capacity compared to single girder cranes.

Structure and Design

Main Girders

• Double girder cranes feature two main girders, typically made from structural steel or box-shaped designs. These girders can be welded box girders, which offer high strength, rigidity, and stability[3][5].
• The girders can be designed to meet various standards, including European standards, which emphasize a lightweight yet robust structure[2].

End Carriages and Wheels

• The end carriages are fabricated from plates welded to a rigid frame, often with stationary axles. The wheels are typically forged steel, hardened to a minimum of 325 Bhn, and have a tapered tread for smooth operation on rails[4].

Performance and Capabilities

Lifting Capacity

• Double girder cranes can handle a wide range of lifting capacities, from as low as 3 tons to over 500 tons, making them suitable for various heavy-duty applications[2][4][5].

Span and Coverage

• These cranes can span distances up to 42 meters or more, depending on the load capacity. They are ideal for larger workspaces where extensive coverage is necessary[2][3][5].

Lifting Height

• The lifting height can vary significantly, but double girder cranes are often used where high hook lift is required. The hook can be pulled up between the girders, allowing for maximum vertical lift[5].

Speed and Operation

• Double girder cranes are designed for high-speed operation, with fast long and cross travel speeds possible. They can be equipped with frequency conversion motors for enhanced safety, reliability, and stability[2][3].

Types and Configurations

General Type

• The general type double girder crane, such as the AQ-QD model, features a robust box-shaped main beam design. It is ideal for high-speed operation and efficient production in demanding environments[2].

European Standard

• The European standard double girder crane, like the AQ-QDX model, offers a lightweight and compact structure with low wheel pressure. It is suited for operations requiring precision and reliability in space-constrained environments[2].

Custom Configurations

• Double girder cranes can be customized with various features such as walkways, crane lights, cabs, magnet cable reels, and auxiliary hoists to meet specific application needs[5].

Additional Features and Accessories

Hoisting Options

• These cranes can be equipped with different types of hoists, including wire rope hoists, engineered hoists, and auxiliary hoists. The choice of hoist depends on the specific lifting requirements and the level of precision needed[4][5].

Control Systems

• Modern double girder cranes can be equipped with advanced control systems, such as ABUControl, which offer intelligent functions for enhanced safety and productivity[3].

Safety and Maintenance

• Features like thermal detectors in the motor windings, rubber bumpers, and rail sweeps are standard to ensure safe and reliable operation. Maintenance platforms and crab units with walkways can also be integrated for easier maintenance[4][5].

Applications and Industries

Heavy-Duty Lifting

• Double girder cranes are ideal for industries that require the handling of heavy loads, such as manufacturing, construction, and heavy-duty industrial equipment repair[2][3][5].

High-Speed Operations

• These cranes are suited for environments where high-speed operation and efficient production are critical, such as in production lines and material handling facilities[2][5].

Benefits and Advantages

High Lifting Capacity and Span

• Double girder cranes offer superior lifting capacity and span compared to single girder cranes, making them ideal for large-scale operations[2][3][5].

Flexibility and Customization

• They can be customized to fit various application needs, including different hoisting options, control systems, and additional features[5].

Durability and Longevity

• Built with high-quality materials and designed to meet or exceed industry standards, double girder cranes ensure a long lifespan and lower life cycle costs[4].

Enhanced Safety and Productivity

• Advanced features like smart controls, sway control, and load floating enhance safety and productivity, making these cranes a valuable asset in any industrial setting[1].

Conclusion

Double girder overhead cranes are powerful and versatile lifting solutions that cater to a wide range of industrial needs. With their robust design, high lifting capacity, and customizable features, they are essential for efficient and safe material handling in various sectors. Understanding the structure, performance, and applications of these cranes can help in selecting the right equipment for specific industrial requirements.

Fixed cantilever crane China Best Maker

Given that the provided websites do not include the specific content from the URL https://henankuangshan.org/fixed-cantilever-crane-china-best-maker/, I will create a comprehensive guide based on the general information about fixed cantilever cranes extracted from the other sources.

Fixed Cantilever Crane Guide

Overview

A fixed cantilever crane, also known as a column jib crane or pillar jib crane, is a type of lifting equipment widely used in various industrial settings. It is characterized by its high efficiency, energy saving, labor saving, and ease of operation and maintenance.

Types of Fixed Cantilever Cranes

Floor-Mounted Fixed Column Jib Crane

• This type of crane is mounted directly to the floor and is known for its stability and robustness.
• It has a lifting capacity ranging from 125kg to 10000kg, making it suitable for a wide range of applications[1][4].
• Key features include easy installation, small footprint, and the ability to rotate up to 360°.

Wall-Mounted Cantilever Crane

• This crane is fixed to the wall or a cement column, saving ground space and ideal for areas with limited floor space.
• It provides 180° rotation and is suitable for short-distance, frequent, and intensive lifting operations[5].
• The wall-mounted design allows for low headroom and can meet the requirements of lesser space but higher hoisting heights.

Key Components and Parameters

Lifting Capacity

• The maximum rated weight that the crane is designed to handle, ranging from 0.125 tons to 16 tons depending on the model[4][5].

Cantilever Length

• For column-type jib cranes, this refers to the distance from the center of the column’s rotating shaft to the end of the cantilever. It can be customized to fit specific needs[4].

Effective Cantilever Length

• This is the maximum extension of the hook and the distance between the hoist trolley and the column[4].

Lifting Height

• The distance from the hoist to the ground, which can be customized from 2m to 12m or more[4][5].

Rotation Angle and Method

• The crane can rotate up to 360°, with options for manual or electric rotation depending on the model[4].

Hoist Unit

• Can be either a wire rope hoist or a chain hoist, chosen based on the specific lifting requirements[4][5].

Features and Advantages

High Efficiency and Energy Saving

• Designed for short-distance, frequent, and intensive lifting operations, making them highly efficient and energy-saving[2][4].

Easy Operation and Maintenance

• These cranes have a simple structure and are easy to operate and maintain, reducing downtime and increasing productivity[2][4].

Small Footprint

• Especially beneficial for wall-mounted models, which save ground space and are ideal for small operation areas[5].

Flexibility and Maneuverability

• Mobile type cantilever cranes can move in any direction to the required location, ensuring flexibility in the production line[2].

Safety and Reliability

• Built with robust materials and treated for rust prevention, these cranes are safe and reliable for long-term use[2][3].

Applications

Workshops and Warehouses

• Widely used in workshops and warehouses for material handling, especially in areas with large spans and high headroom[5].

Assembly Lines

• Essential for efficient automatic production lines, ensuring that the production process remains unimpeded[2][5].

Industrial and Mining

• Suitable for light to small heavy lifting operations in various industrial and mining settings[5].

Installation and Use

Easy Installation

• Wall-mounted cranes have easy installation processes with standardized support, saving time and effort[5].

Operating Precautions

• Users should avoid standing under the boom during operation, dragging heavy objects, and overloading the crane[4].

Customization and OEM Services

Custom Models

• Many manufacturers offer customization options to meet specific customer demands, including different lifting capacities, cantilever lengths, and rotation angles[3][4].

OEM Services

• Leading manufacturers provide OEM services at a discount, allowing customers to get customized products at competitive prices[2][3].

By understanding these aspects, users can make informed decisions when selecting and using fixed cantilever cranes for their specific industrial needs.

Top 10 Overhead Crane Manufacturer In China | WeiHuaCrane

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

Introduction

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

1. Henan Weihua Heavy Machinery Co., Ltd.

Overview

• Established in 1989 and headquartered in Anyang City, Henan Province.
• A leading machinery manufacturing enterprise in China.

Products and Services

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

Industry Position

• Weihua Group is one of the key representatives of China’s construction machinery industry.

2. Zoomlion Heavy Industry Group Co., Ltd.

Overview

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

Products and Services

• Focuses on the R&D, manufacturing, and sales of bridge cranes, tower cranes, and other products.
• Equipped with advanced production equipment and technology to provide high-quality products and services.

Global Presence

• Known for its strong performance in the Chinese market and global reach.

3. Langfang Hongqi Heavy Machinery Co., Ltd.

Overview

• Established in 1958 and headquartered in Langfang City, Hebei Province.
• A renowned bridge crane manufacturer in China.

Products and Services

• Rich in experience and technology, with product quality and performance leading in China.
• Widely recognized and praised for its products.

Industry Reputation

• Has a long history and is well-respected in the industry.

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

Overview

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

Products and Services

• Equipped with advanced production equipment and technology, committed to providing high-quality products and services.

5. Shanghai Electric Group Co., Ltd.

Overview

• Founded in 1880, making it one of the oldest companies in the list.
• Headquartered in Shanghai, with a long history and rich experience.

Products and Services

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

6. Harbin Electric Group Co., Ltd.

Overview

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

Products and Services

• Engaged in the R&D, manufacturing, and sales of bridge cranes, gantry cranes, and other products.
• Maintains a leading position in product quality and performance in China.

7. Henan Qiaoqiao Heavy Industry Co., Ltd.

Overview

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

Products and Services

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

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

Overview

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

Products and Services

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

Common Features and Services

Product Range

• These manufacturers offer a wide range of overhead crane models, including single girder, double girder, gantry, and jib cranes, as well as customized solutions for specific industries or applications.

Additional Services

• Provide installation, maintenance, and repair services for their products.

Manufacturing Process

Stages

• The manufacturing process for overhead cranes typically involves several stages:
• Design
• Fabrication
• Assembly
• Testing

Conclusion

China’s top overhead crane manufacturers are at the forefront of innovation and quality in the global crane industry. Companies like Henan Weihua Heavy Machinery Co., Ltd., Zoomlion Heavy Industry Group Co., Ltd., and others have established themselves through their rich history, advanced technology, and commitment to providing high-quality products and services. Their extensive product range and additional services make them key players in meeting the diverse needs of various industries worldwide.

Frequently Asked Questions (FAQs)

What are the key specifications to consider when purchasing a fixed crane from China?

When purchasing a fixed crane from China, several key specifications need to be considered to ensure the crane meets your specific requirements. These include the lifting capacity, which is the maximum weight the crane can safely lift; the boom length, which determines how far the crane can reach; the working radius, which is the distance from the center of the crane to the tip of the boom; and the maximum working height, which is the highest point the crane can lift a load to. Additionally, you should consider the power source (electricity, diesel, or a combination of both), the lifting speed, and the crane travel speed. Understanding these specifications helps in selecting a crane that is suitable for your application[1][2][3].

How do I ensure the safe operation of a fixed crane from China?

Ensuring the safe operation of a fixed crane from China involves several critical steps. First, it is essential to properly inspect the crane before use, checking for any signs of damage or malfunction. This includes inspecting the crane’s hoist, hook, ropes, and controls. The crane must be set up on stable ground, and all safety precautions should be in place, such as using outriggers or stabilizers if necessary. The operator should be properly trained and familiar with the manufacturer’s guidelines. During operation, loads should be moved slowly and steadily to prevent swinging or jerking, and effective communication between the operator and ground workers is crucial. After use, the crane should be properly shut down and secured, and regular maintenance and inspections should be conducted to maintain its good working condition[1][5].

What are the potential challenges and considerations when sourcing a fixed crane from China?

Sourcing a fixed crane from China can present several challenges. One of the main issues is the lead time, as ordering a crane from China can result in longer delivery times due to shipping and customs procedures. Another challenge is the language barrier, which can complicate communication with Chinese manufacturers, especially if there are cultural differences. There is also the risk of quality control issues, as while most Chinese crane manufacturers adhere to high-quality standards, there have been cases of substandard products. Additionally, getting warranty support or after-sales service can be difficult if the manufacturer is located overseas. Ensuring the supplier has a good reputation and provides adequate support is crucial[1].

Can fixed cranes from China be customized to meet specific requirements?

Yes, fixed cranes from China can be customized to meet specific requirements. Chinese manufacturers often offer customization options to accommodate different lifting capacities, span lengths, lifting heights, and other specifications. When inquiring about a crane, it is important to provide detailed information about your needs, such as the lifting capacity, lifting height, span of the main girder, power supply requirements, and the specific application scenario. This allows the manufacturer to design and produce a crane that fits your unique demands. Customization can include adjusting the beam model, hoist type, and even the operation method (e.g., pendent controller, remote control, or cabin control)[3][4].

What kind of maintenance and support should I expect for a fixed crane from China?

For a fixed crane from China, regular maintenance is essential to ensure the crane remains in good working condition. This includes greasing moving parts, inspecting for wear and tear, and conducting periodic checks on the crane’s components such as the hoist, trolley, and controls. Manufacturers often provide warranties, typically lasting one year, which cover manufacturing defects and faulty components. After-sales support is also crucial; look for suppliers that offer professional installation assistance and have a logistics department to handle shipment and delivery. Additionally, some manufacturers provide remote control systems and other safety features, and they may offer customization and repair services to extend the lifespan of the crane[1][4][5].