In the heart of China’s rapid urbanization and infrastructure boom, the crane industry has emerged as a pivotal sector, driving the country’s economic growth and construction landscape. At the forefront of this transformation is the truss crane, a crucial piece of machinery that has revolutionized the way China builds its skyscrapers, highways, and other monumental projects.

This in-depth guide delves into the world of truss cranes in China, exploring their significance, technological advancements, and the factors driving their increasing demand. Readers will gain insights into how domestic manufacturers like XCMG, Zoomlion, and Yongmao are pushing the boundaries of crane technology, producing larger and more sophisticated models to meet the country’s escalating construction needs.

You will learn about the impact of government initiatives, such as the Belt and Road project, on the global reach of Chinese crane manufacturers and how these companies are adapting to international safety standards and market demands. The guide will also cover the shift towards more fuel-efficient, technologically advanced

China Truss Gantry Crane Manufacturers, Suppliers …

Guide to Truss Gantry Cranes

Introduction

Truss gantry cranes are a type of gantry crane that utilize a truss structure, which is particularly advantageous in environments with strong winds and for applications requiring light to heavy-duty lifting. Here is a comprehensive guide to understanding the features, applications, and benefits of truss gantry cranes.

Types of Truss Gantry Cranes

Single Girder Truss Gantry Crane

• Design and Construction: Single girder truss gantry cranes are designed for low-speed and light-duty lifting work. They are equipped with electric hoists, such as AQ-CD1/AQ-MD1, that run along the main beam girder[3][4].
• Capacity and Span: These cranes typically have a lifting capacity ranging from 3 to 20 tons and a span of 8 to 40 meters[2][3][4].
• Features: They feature a simple structure, light dead weight, easy fabrication, and installation. The truss design provides excellent wind resistance and is suitable for long-term use in coastal areas[2][3][4].

Double Girder Truss Gantry Crane

• Design and Construction: Double girder truss gantry cranes are engineered for heavy-duty lifting requirements. They have two truss girder beams and are usually fitted with standard hoist trolleys that deliver high lifting speeds and large carrying capacities[3][5].
• Capacity and Span: These cranes can handle loads from 5 to 100 tons and have a span of 22 to 40 meters[5].
• Features: Double girder truss gantry cranes offer high rigidity, high utilization, broad adaptability, and consistent performance. They can extend beyond the crane runway on one or both sides to form cantilevers[5].

Components and Structure

Main Beam and Girder

• The main beam of a truss gantry crane is constructed using a truss structure, which is lighter and provides better wind resistance compared to box-shaped structures[1][3][4].

Legs and Cross Beams

• The crane is supported by two rigid legs, although for larger spans, one rigid leg and one flexible leg may be used to reduce the likelihood of rail gnawing[3][4].

Trolley and Hoisting Mechanism

• The trolley part uses hoists or electric hoists that travel along the upper part of the main beam. The hoisting mechanism involves lifting ropes from both sides of the main beam, enabling the lifting of large objects[1][3].

Technical Specifications

Lifting Capacity

• Single girder truss gantry cranes typically have a lifting capacity of 3 to 20 tons, while double girder truss gantry cranes can handle loads from 5 to 100 tons[2][3][5].

Span

• The span of single girder truss gantry cranes ranges from 8 to 40 meters, and for double girder cranes, it ranges from 22 to 40 meters[2][3][5].

Lifting Height

• The lifting height refers to the distance between the upper and lower limit positions of the spreader and can vary from 6 to 30 meters depending on the crane configuration[1][3][4].

Working Class

• Truss gantry cranes are classified into different working classes (A1-A6), with single girder cranes often falling into A3-A5 and double girder cranes capable of heavier duty classifications[1][2][5].

Speeds

• Trolley running speeds and crane running speeds are typically around 20 meters per minute, with lifting speeds varying based on the load capacity[2][3][4].

Applications

Industrial Use

• Truss gantry cranes are widely used in various industries such as material warehouses, cement plants, granite industry, construction sites, shipyards, mines, quarries, and ports for loading, unloading, and handling goods[2][3][5].

Environmental Suitability

• These cranes are particularly suitable for areas with strong winds due to their truss structure, which offers excellent wind resistance[1][2][3].

Benefits

Wind Resistance

• The truss structure provides a smaller windward area, making the crane highly resistant to strong winds and suitable for coastal or storm-prone areas[1][2][3].

Light Dead Weight

• Truss gantry cranes have a light dead weight, which reduces the pressure on the wheels and makes them easier to transport and install[1][2][3].

Easy Operation and Maintenance

• The simple structure of truss gantry cranes makes them easy to operate and maintain. They also feature advanced safety mechanisms such as overload limiters, travel limit switches, and emergency shutdown systems[2][3][4].

Cost Efficiency

• The truss design results in lower construction costs compared to ordinary box-shaped gantry cranes, making them a cost-effective option for material handling needs[2][4].

Safety Features

Overload Limiters

• Intelligent overload limiters are integrated into the hoist to ensure maximum safety during lifting operations[2].

Travel Limit Switches

• Travel limit switches and hoisting limiters are included to prevent over-travel and ensure safe working conditions[2].

Emergency Shutdown

• Advanced emergency shutdown systems are available to handle any emergencies promptly[2].

Power Protection

• The cranes are equipped with integrative out-voltage protection and phase protection to safeguard against electrical issues[2].

Operation and Control

Control Modes

• Truss gantry cranes can be operated using wired pendant control, wireless remote control, or cabin control, depending on the crane’s capacity, environmental conditions, and user convenience[3].

Safety Ensurance

• The control system of the gantry crane is designed to ensure excellent safety for lifting operations, incorporating various safety features to prevent accidents[3].

In conclusion, truss gantry cranes offer a versatile and efficient solution for a wide range of material handling needs, particularly in environments with strong winds. Their light weight, simple structure, and advanced safety features make them a reliable choice for various industrial applications.

500kg Mobile Material Handling Gantry Truss Crane with …

Guide to the 500kg Mobile Material Handling Gantry Truss Crane with Electric Hoist

Overview

The 500kg Mobile Material Handling Gantry Truss Crane with Electric Hoist is a versatile and economical solution for various material handling needs. Here is a detailed guide to its features, applications, and technical specifications.

Basic Information

Type and Application

• Type: Truss system supported Manipulator
• Application: Ideal for big plant production lines for material flows, workshops, and other industrial settings.

Key Features

Capacity and Customization

• Capacity: Ranges from 50kg to 500kg, with customization options available.
• Up and Down Stroke: Adjustable from 0-2000mm, customizable to specific needs.
• Working Radius: Adjustable from 1000-3000mm, customizable to fit various work environments.

Design and Installation

• Basic Design: Includes clamping, lifting, and rotating functions.
• Installation Form: Truss system with rails for stable and efficient operation.
• Transport Package: Supplied in a wood box for safe transportation.

Technical Specifications

Hoist Models

The crane can be equipped with various hoist models to suit different load requirements:

Electric Hoist

NAME	BMS125	BMS250	BMS500	BMS1000	BMS2000
Maximum Load (Kg)	125	250	500	2000	2000
Lifting Speed (m/min)	8/2	8/2	4/1	4/1	4/1
Motor Power (Kw)	0.4/0.1	0.4/0.1	0.4/0.1	0.75/0.2	1.5/0.37
Lifting Medium	Chain	Chain	Chain	Chain	Chain
Power Supply	220-460V	220-460V	220-460V	220-460V	220-460V

Intelligent Hoist

NAME	IAD-H80	IAD-H200	IAD-H300	IAD-H600
Maximum Load (Kg)	80	200	300	600
Handle-Lifting Speed-Unloaded (m/min)	40	30	15	7.5
Float-Lifting Speed-Unloaded (m/min)	36	27	13.5	6.75
Maximum Stroke (m)	3.5	3.5	3.5	1.7
Lifting Medium	Wire rope	Wire rope	Wire rope	Wire rope
Power Supply	220V±10% 50HZ	220V±10% 50HZ	220V±10% 50HZ	220V±10% 50HZ

Pneumatic Air Balancer and Rigid Arm Pneumatic Manipulator

Pneumatic Air Balancer

• Uses pneumatic drive for precise positioning of workpiece transfer and assembly.
• Easy to operate and maintains accurate and intuitive movement.

Rigid Arm Pneumatic Manipulator

• Utilizes the pneumatic balance principle, allowing heavy objects to float when raised or lowered.
• Achieves balanced movement and positioning in space, ensuring safe and efficient operation.

Working Scenarios

General Use

• Widely used in big plant production lines for material flows.
• Suitable for workshops, warehouses, and various industrial applications.

Customized Applications

• Can be customized for specific requirements such as mold handling, automotive factories, mines, and construction sites.
• Tailored designs available for workshop equipment installation, repair, and debugging.

Advantages and Benefits

Economic and Practical

• The equipment is simple to install and operate, with low maintenance costs.
• Economical and practical, making it a cost-effective material handling solution.

Smart and Efficient

• Smart hoist models feature internal sensors that automatically adjust the direction and speed of movement.
• High precision, intelligent, controllable speed, safety, and reliability.

Versatile and Adaptable

• Can be used on all flat and uneven ground.
• Adjustable height and installation options make it versatile for different work environments.

Conclusion

The 500kg Mobile Material Handling Gantry Truss Crane with Electric Hoist is a highly versatile and efficient tool for various material handling tasks. Its customizable features, advanced hoist models, and practical design make it an ideal solution for industries requiring precise and reliable lifting and moving operations. Whether used in production lines, workshops, or warehouses, this crane offers significant benefits in terms of efficiency, safety, and cost-effectiveness.

20 Ton Truss Gantry Crane Manufacturers and Suppliers

Guide to 20 Ton Gantry Cranes

Overview

A 20 ton gantry crane is a robust and versatile piece of lifting equipment designed to handle heavy loads up to 20 tons in various industrial settings. These cranes are known for their sturdy steel frames, horizontal beams, and movable legs, which provide excellent stability and flexibility.

Types of 20 Ton Gantry Cranes

Single Girder Gantry Crane

• Design and Application: Single girder gantry cranes are ideal for light duty applications. They feature a single beam supported by two legs and are widely used in warehouses, workshops, and other light to medium-duty environments[2][5].
• Specifications:
• Lifting capacity: 3.2-20 tons
• Span length: 8-35 meters
• Lifting height: 6-18 meters
• Lifting speed: 3.3-8 m/min
• Trolley speed: 14-20 m/min
• Crane speed: 20-30 m/min
• Work duty: A3-A4[2][4].

Double Girder Gantry Crane

• Design and Application: Double girder gantry cranes are suited for heavy duty applications. They feature two beams and are commonly used in ports, goods yards, and other heavy-duty environments[3][5].
• Specifications:
• Lifting capacity: 20 tons
• Span length: 18-35 meters
• Lifting height: 6-12 meters
• Lifting speed: 7.2 m/min
• Trolley speed: 22.5-44.6 m/min
• Crane speed: 28-44 m/min
• Work duty: A3-A7[3][4].

Truss Gantry Crane

• Design and Application: Truss gantry cranes are designed for outdoor use, particularly in areas with high winds. The truss structure reduces friction and ensures high safety[2][3].
• Specifications:
• Lifting capacity: 20 tons
• Span length: 12-30 meters
• Lifting height: 6-12 meters
• Lifting speed: 0.33-3.3 m/min
• Crane speed: 3-30 m/min
• Track type: P43[3].

Key Components and Features

Lifting Capacity and Span

• Lifting Capacity: 20 ton gantry cranes can lift loads up to 20 tons, with some models offering adjustable capacities from 3.2 to 20 tons[2][4].
• Span Length: The span length can vary from 8 to 35 meters, depending on the model and application[2][3].

Lifting Height and Speed

• Lifting Height: The lifting height ranges from 6 to 18 meters, with some models offering heights up to 30 meters[1][3].
• Lifting Speed: Lifting speeds range from 0.33 to 8 m/min, depending on the crane type and configuration[2][4].

Power Supply and Control

• Power Supply: These cranes can be powered by cable reels, diesel generators, or sliding bare copper wires. They typically operate on 220-480V power supply[1][3].
• Control System: Modern gantry cranes often use PLC (Programmable Logic Controller) and frequency conversion control technology to enhance performance and efficiency[5].

Working Class and Duty Cycle

• Working Class: Gantry cranes are classified into different working classes (A3-A7), which indicate their suitability for various duty cycles. For example, A3-A4 is suitable for light to medium-duty applications, while A5-A7 is for heavier duty cycles[2][4].

Customization and Adaptability

• Customization: 20 ton gantry cranes can be customized to meet specific operational needs. Manufacturers offer services to design and manufacture cranes according to customer requirements and working conditions[1][5].
• Adaptability: These cranes are adaptable to both indoor and outdoor applications and can be configured as full gantry, semi-gantry, or mobile gantry systems[5].

Installation and Maintenance

• Installation: The installation process involves setting up the crane on a fixed route, which may include supporting power lines and tracks. Manufacturers often provide detailed installation programs[5].
• Maintenance: Regular maintenance is crucial to ensure the longevity and efficiency of the crane. Lifetime maintenance services are sometimes included with the purchase[2].

Considerations for Selection

Clarify Crane Specifications

• Rated Load Capacity: Ensure the crane’s lifting capacity matches your load requirements.
• Span and Lifting Height: Choose a crane with a span and lifting height that fit your workspace.
• Hook Coverage: Consider the area that the crane’s hook can cover[5].

Environmental Conditions

• Outdoor Use: For outdoor applications, consider special paint systems, materials, and components to withstand environmental conditions[5].

Duty Cycle

• Work Duty: Select a crane with a work duty classification that matches your usage requirements[2][4].

Type of Gantry System

• Full Gantry, Semi-Gantry, or Mobile Gantry: Choose the type of gantry system that best suits your application[5].

Power Delivery

• Cable Reel or Customized Solution: Decide whether to use a cable reel for power delivery or a customized solution[5].

By carefully considering these factors, you can select and customize a 20 ton gantry crane that meets your specific needs and ensures efficient and safe material handling operations.

Truss Electric Hoist Gantry Crane …

Guide to Truss Electric Hoist Gantry Cranes

Introduction

Truss electric hoist gantry cranes are specialized lifting equipment known for their lightweight, yet robust and efficient design. These cranes are widely used in various industrial settings, including factories, construction sites, warehouses, and outdoor areas. Here is a comprehensive guide to help you understand the key features, advantages, and technical specifications of truss electric hoist gantry cranes.

Structure and Components

Main Beam and Legs

• The main beam of a truss gantry crane is typically a triangular truss structure fabricated in sections, often using angle steel or I-beam welded together[5].
• The legs of the crane can be either rigid or flexible. The rigid leg is usually an inverted triangle structure welded by steel pipes, while the flexible leg is a single steel pipe. Auxiliary supporting rods are connected by pins[1].

Hoisting Mechanism

• The lifting mechanism often employs electric hoists such as CD1/MD1 types, which are known for their simple structure, stable performance, and durability[1][3][5].
• The hoisting trolley moves along the upper flange of the main beam, allowing for precise positioning of the load.

Operating Mechanism

• The traveling mechanism of the trolley is driven by a three-in-one drive device or vertical driving devices, ensuring smooth and controlled movement[1][5].
• The control mechanism utilizes advanced variable frequency and speed regulation control systems, enabling precise control over the crane’s movements[1].

Features and Advantages

Lightweight and Wind Resistance

• Truss gantry cranes have a lightweight structure, which reduces the impact of wind and makes them ideal for use in areas with high wind conditions[2][4][5].

High Lifting Capacity

• Despite their lightweight design, truss gantry cranes can handle significant loads, often ranging from 3 to 100 tons, depending on the model[4][5].

Wide Span and Adjustable Height

• These cranes can span large areas, typically between 12 to 30 meters, and their height can be adjusted to suit various lifting tasks[2][5].

Precise Positioning and Stability

• The trolley’s ability to move along the main beam ensures precise positioning of the load. The truss structure and double girder design (in some models) provide high stability and support for the load being lifted[2][4].

Easy Mobility and Installation

• Truss gantry cranes are mounted on wheels or rails, making them easy to move to different locations. They also have a simple and compact structure, which simplifies installation[3][5].

Technical Specifications

Lifting Capacity and Height

• The lifting capacity ranges from 3 to 100 tons, depending on the crane model. The lifting height can vary from 6 to 50 meters[2][4][5].

Span and Traveling Length

• The span of the crane typically ranges from 12 to 30 meters. The traveling length can be customized based on the rail track or runway beam requirements[2][5].

Operating Speeds

• Lifting speeds can range from 8 to 46 meters per minute, while travel speeds can range from 20 to 70 meters per minute[2][3].

Control Methods

• Control methods include ground control, remote control, and cabin control. Advanced control systems allow for synchronized operation of multiple hooks and precise positioning[1][3][5].

Applications

Industrial Settings

• Truss gantry cranes are commonly used in factories, warehouses, construction sites, and lumber yards due to their versatility and efficiency[4][5].

Outdoor Areas

• They are particularly suitable for outdoor areas, including open construction sites and areas prone to large sandstorms, due to their good wind resistance[4].

Maintenance and Safety

Reduced Maintenance

• The simple and compact structure of truss gantry cranes reduces the need for frequent maintenance. However, regular inspection of welding points is necessary for truss beams[5].

Safety Features

• These cranes are equipped with safety features such as dead slow functions to ensure stability and accurate movement. They also have mechanisms to limit the sway of the loader and ensure synchronized operation of multiple hooks[1].

Conclusion

Truss electric hoist gantry cranes offer a blend of efficiency, stability, and versatility, making them a valuable asset in various industrial and outdoor settings. Their lightweight yet robust design, combined with advanced control systems and safety features, ensures precise and safe lifting operations. Understanding the structure, features, and technical specifications of these cranes can help in selecting the right model for specific lifting needs.

Truss Gantry Crane Manufacturers and Suppliers

Truss Gantry Crane: A Comprehensive Guide

Introduction

A truss gantry crane is a type of gantry crane that utilizes a truss structure, which is particularly advantageous in environments with strong winds and for handling large or heavy loads. Here is a detailed guide to help you understand the features, applications, and benefits of truss gantry cranes.

Components and Structure

Main Components

• Truss Girder: The main beam of the crane, constructed using shaped steel and welded into a truss structure to reduce wind resistance.
• Legs: Typically two rigid legs, but for larger spans, one rigid leg and one flexible leg may be used.
• Lower Cross Beams: Connect the legs and provide additional stability.
• Trolley and Hoisting Mechanism: Usually equipped with an electric hoist or wire rope hoist that travels along the main beam[1][3][5].

Structural Advantages

• The truss structure is lighter and has a smaller windward area, making it ideal for use in strong wind conditions.
• Easy disassembly and transportation due to the use of shaft connections between structural components[1][3][4].

Types of Truss Gantry Cranes

Single Girder Truss Gantry Crane

• Capacity and Span: Typically handles loads from 3 to 20 tons, with spans ranging from 8 to 35 meters.
• Lifting Speed and Efficiency: Designed for low-speed and light-duty lifting work, often equipped with AQ-CD1/AQ-MD1 electric hoists.
• Operation and Maintenance: Features a simple structure, light dead weight, and ease of fabrication and installation[3][4][5].

Double Girder Truss Gantry Crane

• Capacity and Span: Capable of handling heavier loads from 5 to 100 tons, with spans typically between 22 to 40 meters.
• Lifting Speed and Efficiency: Engineered for heavy-duty lifting, with higher lifting speeds and larger carrying capacities compared to single girder cranes.
• Cantilevers: Can be designed with cantilevers on one or both sides to extend the crane’s reach beyond the runway[3][5].

Technical Specifications

Lifting Capacity

• Single girder: 3 to 20 tons
• Double girder: 5 to 100 tons[3][5].

Span

• Single girder: 8 to 35 meters
• Double girder: 22 to 40 meters[3][5].

Lifting Height

• Varies depending on the configuration but typically ranges from 6 to 18 meters for single girder cranes[3][4].

Speed

• Trolley Running Speed: Usually 20 meters per minute
• Crane Running Speed: Also typically 20 meters per minute
• Lifting Speed: Varies from 0.33 to 8 meters per minute depending on the load capacity[2][3][4].

Working Class

• Classified into different working classes (A3-A5), indicating the crane’s duty cycle and usage intensity[2][3][5].

Applications

Industrial Use

• Widely used in material warehouses, cement plants, granite industry, construction sites, shipyards, mines, quarries, railway yards, and ports[2][3][5].

Environmental Suitability

• Particularly suitable for areas with strong winds due to its truss structure, which reduces wind resistance[1][3][4].

Safety Features

Overload Protection

• Equipped with intelligent overload limiters to ensure safe operation[2].

Emergency Shutdown

• Advanced emergency shutdown systems to handle unexpected situations[2].

Travel Limit Switches

• Hoisting limiters and travel limit switches to prevent over-travel and ensure safe operation[2].

Power Protection

• Integrative out-voltage protection and phase protection to safeguard the crane’s electrical system[2].

Benefits

Wind Resistance

• The truss structure provides excellent wind resistance, making it ideal for use in coastal or windy areas[1][3][4].

Light Dead Weight

• The crane has a light dead weight, which reduces the impact on the foundation and makes it easier to install and maintain[1][3][4].

Easy Operation and Maintenance

• Simple structure and easy operation make it user-friendly and reduce maintenance needs[1][3][4].

Cost Efficiency

• Lower construction cost compared to ordinary box-shaped gantry cranes due to its simple structure[2].

Operation and Control

Control Modes

• Can be operated using wired pendant control, wireless remote control, or cabin control, depending on the crane’s capacity and environmental conditions[3].

Safety Ensurance

• The control system is designed to ensure excellent safety for lifting operations, with features like hoisting limiters and travel limit switches[2][3].

By understanding these aspects of truss gantry cranes, you can make informed decisions about their suitability for your specific material handling needs.

MH type truss gantry crane – Henan, China

Since the provided URL does not lead to accessible content, I will create an in-depth guide based on the information available from the other sources about Henan Weihua Heavy Machinery Co., Ltd.

Company Overview

Founding and Development

Henan Weihua Heavy Machinery Co., Ltd. was founded in 1988 and has since developed into a large-scale equipment manufacturing enterprise specializing in crane manufacturing. The company is the core subsidiary of the Weihua Group Co., Ltd.[1][2][4].

Business Scope

Weihua integrates R&D, design, manufacturing, sales, installation, service, import, and export of various products including overhead cranes, gantry cranes, European series cranes, portal machines, electric hoists, reducers, and other special lifting equipment[1][2][4].

Products and Applications

Product Range

Weihua produces over 200 types of products across 9 series, including:
– Overhead cranes
– Gantry cranes
– European series cranes
– Portal machines
– Electric hoists
– Reducers
– Special lifting equipment[1][2][5].

Industry Applications

Weihua’s products are widely used in various industries such as:
– Machinery manufacturing
– Ferrous metallurgy
– Nuclear energy
– Mining
– Hydropower
– Highway and railway
– Electrical power
– Automobile manufacturing
– Petrochemical industry
– Port logistics
– Ship-building industry[1].

Manufacturing and Production

Facilities and Capacity

The company has a registered capital of 560 million yuan and total assets of 4 billion yuan. It covers an area of 470,000 square meters and has more than 5,200 employees. Weihua is equipped with over 1,700 sets of manufacturing and testing facilities[1][2].

Production Efficiency

Weihua has implemented advanced manufacturing technologies, including intelligent operation of production lines, real-time scheduling of production processes, and automation of material distribution. This has resulted in an 80% increase in production efficiency and a 70% reduction in the production cycle[3].

Production Volume

Weihua produces approximately 25,000 sets of gantry cranes, overhead cranes, hoists, and special lifting equipment annually[2].

Innovation and Technology

Research and Development

Weihua has a strong R&D capacity with more than 50 R&D staff and over 10 production lines. The company has been granted 111 national patents for technologies such as anti-sway control systems, wire rope multi-layer winding drum anti-tilt devices, and three-dimensional configuration simulation control systems for cranes[1][2].

Certifications and Awards

Weihua has received several prestigious awards and certifications, including:
– “Intellectual Property Advantageous Enterprise in Henan Province” in 2008
– “National Intellectual Property Pilot Unit” in 2009
– “National High-tech Enterprise” in 2009
– “The 2009 Quality Credit AAA Grade Industrial Enterprise in Henan Province”
– “2010 Xinxiang City Mayor Quality Award”
– ISO 9001 and ISO 14001 management system certifications[1][2].

Global Presence

Export Markets

Weihua’s products are exported to more than 130 countries and regions, including the United States, Britain, France, and Russia. The company serves well-known enterprises such as ArcelorMittal, Sheffield Steel, Alliance Steel, Elsewedy, Heidelberg Cement, Samsung Heavy Industries, and Thailand PAT Port[2].

International Recognition

Weihua’s products are highly appreciated by international customers, and the company is recognized for its quality and reliability in the global market[2].

Future Developments

Weihua Intelligent Industrial Park

Weihua is investing in a new intelligent industrial park with a total planned area of 512,000 square meters, a total construction area of 767,000 square meters, and a total investment of 3 billion yuan. This park will further enhance the company’s production capacity and technological capabilities[2][3].

In summary, Henan Weihua Heavy Machinery Co., Ltd. is a leading manufacturer of crane and lifting equipment, known for its innovative technologies, extensive product range, and global market presence. The company’s commitment to R&D, quality, and customer satisfaction has established it as a significant player in the industry.

Double Girder Truss Gantry Crane

Double Girder Truss Gantry Crane: A Comprehensive Guide

Introduction

The Double Girder Truss Gantry Crane is a sophisticated piece of heavy lifting equipment, designed to handle extreme loads with precision and reliability. This guide will delve into the key features, advantages, and applications of these cranes.

Components and Structure

Main Beams

• The Double Girder Truss Gantry Crane features two truss girder beams, which are typically made from high-quality carbon steel (such as Q235B or Q345B)[1][3][5].
• These beams are often double welded box beams, ensuring high safety and structural integrity.

Trolley Part

• The trolley mechanism includes a motor, speed reducer, brake, coupling, wheels, and coiling blocks. This compact structure is durable and efficient[1][3][5].

Electric System

• The crane is equipped with a comprehensive electric system, including hoisting motors, long traveling motors, and sometimes hydraulic power motors.
• It supports two operation modes: cabin control and remote control[1][3][4].

Safety System

• The crane includes several safety features such as crane switches, travel and end switches, and overload protection devices.
• An emergency switch can stop all movements in case of danger[1][4].

Features and Advantages

Truss Structure

• The truss structure is lightweight, yet strong and resistant to wind, making it ideal for outdoor use[1][2][5].
• It reduces wheel pressure and enhances overall performance.

High Lifting Capacity

• Double Girder Truss Gantry Cranes are capable of lifting extremely heavy loads, often up to several hundred tons[2][3][5].

Wide Span and Adjustable Height

• These cranes can span large areas, typically between 12 to 40 meters, and the height can be adjusted according to the lifting task[2][3][4].

Precise Positioning

• The trolley can move along the length of the girder, allowing for precise positioning of the load[2][3].

Easy Mobility

• The cranes are mounted on wheels or rails, making them easy to move to different locations[2][3][5].

High Stability

• The double girder and truss design provide high stability and support for the load being lifted[2][3].

Applications

Construction Sites

• These cranes are widely used in construction sites for highways, bridges, power plants, and other workshops for general material handling and lifting operations[1][3][4].

Outdoor Material Handling

• They are suitable for loading, unloading, or extracting materials and goods in outdoor environments such as warehouses and open spaces[3][4].

Heavy Duty Lifting

• Double Girder Truss Gantry Cranes are ideal for heavy lifting tasks due to their high capacity, rigidity, and broad adaptability[3][5].

Technical Parameters

Lifting Capacity

• The lifting capacity ranges from 1 to 500 tons, depending on the configuration[2][3][5].

Span and Lifting Height

• The span typically ranges from 12 to 35 meters, and the lifting height can be up to 50 meters[2][3][4].

Speed

• The lifting speed varies from 6 to 46 meters per minute, and the travel speed can be between 25 to 70 meters per minute[2][4].

Control Methods

• The crane can be controlled via cabin, remote control, or pendent handle[2][3][4].

Maintenance and Support

Low Maintenance

• The design of these cranes reduces daily maintenance needs due to their robust and reliable construction[1][3].

Warranty and Support

• Many manufacturers offer a warranty period, typically 3 years, along with technical support, field installation, and spare parts[2][4].

Conclusion

The Double Girder Truss Gantry Crane is a versatile and powerful tool for heavy lifting tasks, offering a combination of high lifting capacity, wide span, adjustable height, and precise positioning. Its lightweight yet strong truss structure, along with advanced safety features and low maintenance requirements, make it an excellent choice for various industrial and construction applications.

80T 44M Truss Gantry Cranes for China Railway Project

Guide to 80t Truss Gantry Cranes

Overview

Truss gantry cranes are specialized lifting equipment known for their lightweight yet robust structure, making them ideal for various industrial and outdoor applications. Here is a comprehensive guide to 80t truss gantry cranes, covering their key specifications, features, and operational aspects.

Key Specifications

Lifting Capacity

• The primary specification of an 80t truss gantry crane is its lifting capacity, which is 80 tons. This capacity is suitable for handling heavy loads in industries such as manufacturing, construction, and port operations.

Span Length

• The span length of an 80t truss gantry crane typically ranges from 12 to 44 meters, depending on the specific application and site requirements[3][4].

Lifting Height

• The lifting height of these cranes usually ranges from 6 to 18 meters, allowing for versatile use in different environments[2][4].

Lifting Speed

• The lifting speed can vary but typically ranges from 0.33 to 7.2 meters per minute, depending on the hoist or winch trolley used[3][4].

Trolley Speed

• The trolley speed, which is the speed at which the trolley moves along the main beam, can range from 20 to 44.1 meters per minute[2][4].

Crane Speed

• The crane speed, which is the speed at which the entire crane moves along the track, can range from 20 to 40.1 meters per minute[2][4].

Structural Features

Truss Structure

• The truss structure of these cranes is designed to be lightweight yet strong, using steel trusses to minimize weight while maintaining structural integrity. This design makes the crane easier to install, commission, and transport[2][3].

Legs and Cross Beams

• The crane is composed of truss girders, legs, and lower cross beams. The structure uses shaft connections, which facilitate easy disassembly and transport[3].

Operational Features

Control Modes

• These cranes can be operated in two main modes: ground control and cabin control. The cabin control provides a better view and more precise control over the crane operations[2][4].

Hoisting Mechanism

• The hoisting mechanism typically involves a dual-speed electric hoist or winch trolley. The hoisting rope is lifted from both sides of the main beam, allowing for the lifting of large and heavy objects[3].

Safety and Reliability

• Truss gantry cranes are equipped with various safety devices to ensure secure operation. These include non-slip measures on platform walkways, reliable ladder and platform designs, and comprehensive safety inspections[5].

Working Environment and Applications

Ambient Temperature

• These cranes can operate in a wide range of ambient temperatures, typically from -25°C to 40°C, making them suitable for various outdoor and indoor environments[3].

Industries and Uses

• Truss gantry cranes are widely used in ports, goods yards, construction sites, and manufacturing industries. They are versatile and can be adapted for different material handling needs[2][4].

Maintenance and Installation

Installation

• The lightweight and modular design of truss gantry cranes makes them easy to install and commission. They can be quickly assembled and disassembled for transport[3].

Maintenance

• These cranes are designed for minimal maintenance. The compact layout and quality components ensure stable and reliable performance over time[5].

Selection Considerations

Size and Span

• When selecting an 80t truss gantry crane, it is crucial to consider the span length, overall equipment height, trolley gauge, and cantilever length based on the specific lifting requirements[5].

Movement Type

• Choose between rail-mounted or rubber-tired types depending on the application, working environment, and facility conditions[5].

Lifting Mechanism

• Ensure the hoisting mechanism matches the lifting needs of your application. This includes considering the lifting speed, trolley speed, and crane speed[2][4].

By understanding these specifications, features, and operational aspects, you can make an informed decision when selecting and using an 80t truss gantry crane for your industrial or outdoor lifting needs.

truss single girder gantry crane from China Manufacturer

Truss Single Girder Gantry Crane: An In-Depth Guide

Overview

The truss single girder gantry crane is a type of lifting machinery widely used in various industrial settings due to its unique structural advantages and operational efficiency. Here is a comprehensive guide to help you understand the key features, applications, and benefits of this crane.

Structure and Components

Main Components

• Truss Girder: The main beam of the crane is constructed using a truss structure, which is welded from shaped steel. This design provides excellent wind resistance and reduces the overall weight of the crane[2][4][5].
• Supporting Legs: The crane is typically built with two rigid legs, but for spans larger than 35 meters, it may be engineered with one rigid leg and one flexible leg[4].
• Lower Beams: These connect the supporting legs and provide additional stability to the crane.
• Trolley and Hoisting Mechanism: Equipped with CD, MD, or other electric hoists, the trolley runs along the upper part of the main beam, facilitating the lifting and moving of loads[3][5].

Technical Parameters

Lifting Capacity

• The truss single girder gantry crane has a lifting capacity ranging from 3.2 to 32 tons, making it suitable for small to medium lifting loads[2][3][4].

Span and Lifting Height

• The span of these cranes can vary from 10 to 40 meters, and the lifting height can be up to 30 meters or customized according to specific needs[1][2][3].

Speeds

• Lifting Speed: Varies from 3 to 8 meters per minute depending on the lifting capacity.
• Trolley Running Speed: Typically 20 meters per minute.
• Crane Running Speed: Also typically 20 meters per minute[1][3][4].

Working Class

• Classified under working classes A3-A5, indicating medium to heavy-duty applications[1][2][3].

Applications

Industrial Uses

• These cranes are widely used in material warehouses, cement plants, granite industries, construction sites, shipyards, mines, quarries, railway yards, and ports for loading, unloading, and handling goods[1][2][5].

Environmental Suitability

• Due to their truss structure, these cranes are particularly suitable for areas with strong winds and can operate effectively in coastal regions[1][4][5].

Advantages

Wind Resistance

• The truss structure offers a small windward area, making the crane highly resistant to strong winds and storms[2][4][5].

Light Weight and Low Cost

• The crane has a light dead weight and a simple structure, which reduces construction costs and makes it easier to install and maintain[1][2][3].

Easy Operation and Maintenance

• The crane is designed for easy operation, with options for ground control, wireless remote control, and driver’s cab control. It also requires less maintenance due to its simple and compact structure[2][3][4].

Safety Features

• Equipped with intelligent overload limiters, polyurethane buffers, advanced emergency shutdown systems, and travel limit switches to ensure maximum safety during operations[1][2][3].

Considerations for Selection

Assessment of Needs

• When selecting a truss single girder gantry crane, it is crucial to assess the specific lifting capacity, span, lifting height, and working class required for your application[2][3].

Control Methods

• Choose between ground control, wireless remote control, and driver’s cab control based on your operational needs and safety requirements[2][3][4].

Customization

• Many manufacturers offer customized designs, including options for cantilevers, to suit specific site requirements and improve efficiency[2][3][4].

Conclusion

The truss single girder gantry crane is an efficient and reliable solution for various industrial material handling needs. Its unique truss structure, light weight, and strong wind resistance make it an ideal choice for outdoor applications, especially in areas prone to strong winds. By understanding the technical parameters, applications, and advantages of this crane, you can make an informed decision to meet your specific lifting and handling requirements.

Double Girder Truss Type Gantry Crane Supplier China

50t Truss-Type Double Girder Gantry Crane Guide

Overview

The 50t Truss-Type Double Girder Gantry Crane is a specialized lifting equipment designed for various industrial and construction applications. Here is a comprehensive guide to its features, specifications, and applications.

Structure and Components

Main Beams

• The crane features a truss structure, which is characterized by its light weight, small wheel pressure, and reliable performance.
• The main beams are typically made from high-quality carbon steel, such as Q235B or Q345B, ensuring high safety and durability[1][3][5].

Trolley Part

• The trolley is equipped with a motor, speed reducer, brake, coupling, wheels, and coiling blocks.
• It has a compact and durable structure, designed for efficient operation and long service life[1][2][5].

Electric System

• The electric system includes hoisting motors, long traveling motors, and hydraulic power motors.
• The crane can be operated through two main modes: cabin control and remote control[1][2][5].

Safety System

• The crane is equipped with a range of safety features, including crane switches, travel and end switches, and overload protection devices.
• An emergency switch is available to stop all movements in case of danger[1][2].

Technical Parameters

Lifting Capacity

• The lifting capacity of the 50t Truss-Type Double Girder Gantry Crane can range from 5 to 50 tons, with specific configurations such as 10/3.2, 16/3.2, 20/5, 32/5, and 50/10 tons[1][3][5].

Span and Lifting Height

• The span of the crane can vary between 12 to 40 meters.
• The lifting height can be customized but typically ranges from 10 to 30 meters[1][3][5].

Speed

• The main hook lifting speed ranges from 4.0 to 8.0 meters per minute.
• The auxiliary hook lifting speed is generally around 9.0 meters per minute.
• The traveling speed of the trolley and crane can be up to 35 meters per minute[1][3][5].

Working Class

• The crane is classified under working classes A5 to A6, indicating medium to heavy-duty applications[3][4][5].

Features and Advantages

Structural Benefits

• The truss structure provides light weight, small wheel pressure, and high stiffness, making it suitable for windy environments and reducing processing costs[1][3][4].

Operational Efficiency

• The crane offers flexible operation, low noise, and a commodious cabin with a good view.
• It is designed for smooth starting and stopping, ensuring safe and reliable traveling[1][2][5].

Maintenance and Customization

• The crane is designed to reduce daily maintenance needs.
• It allows for easy disassembly and transportation due to its flexible pole outrigger design.
• Customization is available to meet specific user requirements[1][3][5].

Applications

Industrial Use

• The 50t Truss-Type Double Girder Gantry Crane is widely used in various industrial settings, including construction workshops, power stations, and outdoor material handling areas such as material stocks, cement plants, and granite industries[1][3][5].

Environmental Conditions

• The crane can operate in a wide range of temperatures from -25°C to 40°C.
• It is suitable for environments where flammable, explosive, or corrosive gases are not present[4][5].

Safety and Control

Control Methods

• The crane can be controlled through pendant control, remote control, or cabin control, offering flexibility in operation[2][4][5].

Safety Measures

• The crane is equipped with wind alarms, break-proof shafts, and other security measures to prevent tilting and ensure safe operation.
• Overload protection devices and emergency switches are also integrated for enhanced safety[1][2].

Conclusion

The 50t Truss-Type Double Girder Gantry Crane is a robust and versatile lifting solution tailored for various heavy-duty applications. Its truss structure, advanced safety features, and customizable design make it an ideal choice for industries requiring reliable and efficient material handling.

Frequently Asked Questions (FAQs)

What is a Truss Gantry Crane and what are its key characteristics?

A Truss Gantry Crane is a type of gantry crane that utilizes a truss structure for its main beam. This design is characterized by its high strength, light weight, and good stability. The truss structure makes the crane more resistant to wind and other external forces, making it suitable for outdoor yards, warehouses, ports, and other material handling operations. These cranes can be equipped with cantilevers, allowing for the loading of goods to the edge of the crane through supporting legs, which enhances efficiency and convenience.

What are the typical specifications and capabilities of Truss Gantry Cranes in China?

Truss Gantry Cranes in China typically have a maximum lifting capacity ranging from 10 to 50 tons. The span of these cranes can vary between 12 to 30 meters, and the lifting height can range from 6 to 12 meters. They are designed to handle various working duties, categorized from A5 to A7. The lifting speed of these cranes is generally between 5 to 15 meters per minute, while the trolley traveling speed and crane traveling speed can be up to 30-45 meters per minute. They are usually powered by a 3-phase 380V 50Hz electrical supply and can be controlled via a cabin or remote control.

Where are Truss Gantry Cranes commonly used?

Truss Gantry Cranes are widely used in various industrial and logistical settings. They are commonly found in outdoor yards, warehouses, and ports where material handling is a primary requirement. These cranes are also utilized in construction sites, manufacturing facilities, and other areas where heavy lifting and precise placement of loads are necessary. Their versatility and robust design make them suitable for a range of applications, including loading and unloading goods, assembling heavy equipment, and managing inventory.

What safety features are typically incorporated into Truss Gantry Cranes?

Truss Gantry Cranes are equipped with several safety features to ensure safe and reliable operation. These include stable and robust truss structures that provide high wind resistance, reducing the risk of structural failure. Additionally, these cranes often come with advanced control systems, such as cabin or remote control, which allow for precise and safe load handling. Some models also feature load stability systems and variable stability limit systems to monitor and adjust the crane’s capacity based on its current configuration and load. Regular maintenance and adherence to international safety standards, such as ISO 9001 and OHSAS 18001, are also crucial for ensuring the safety of these cranes.

How do Truss Gantry Cranes contribute to efficiency and cost-effectiveness in material handling operations?

Truss Gantry Cranes significantly contribute to the efficiency and cost-effectiveness of material handling operations through several key aspects. Their light weight and high strength allow for faster and more precise lifting operations, reducing the time required for loading and unloading goods. The cantilever design, when available, enables the crane to load goods to the edge of the crane, increasing the working area and reducing the need for additional equipment. Additionally, these cranes are designed for long-term reliability, minimizing downtime and maintenance costs. Their energy-efficient operation and ability to handle heavy loads efficiently also help in reducing operational costs and enhancing overall productivity.