In the dynamic landscape of industrial manufacturing, the portable bridge crane has emerged as a versatile and essential tool, particularly in China, where innovation and efficiency are paramount. This in-depth guide delves into the world of portable bridge cranes, a category that includes gantry cranes and other mobile lifting solutions, which have revolutionized material handling in various industries.

From auto and aircraft manufacturing to construction and shipyards, portable bridge cranes offer the flexibility, reliability, and cost-effectiveness that modern businesses demand. Readers can expect to learn about the different types of portable bridge cranes available in China, including semi-gantry cranes and portable gantry cranes, each with their unique features and applications.

This guide will cover critical aspects such as design specifications, manufacturing processes, and quality control measures that ensure these cranes meet international standards. You will also gain insights into the customization options available, safety features, and the logistical considerations involved in importing these cranes from China to global markets.

Whether you are

Mobile Gantry Crane – Henan Seven Industry Co., Ltd

Given that the specific website content is not provided in the search results, here is a comprehensive guide to portable gantry cranes based on the general information available from similar sources.

Guide to Portable Gantry Cranes

What is a Portable Gantry Crane?

A portable gantry crane is a type of overhead crane designed for mobility and adaptability. It is characterized by its freestanding legs mounted on casters or rubber wheels, allowing it to be easily moved around a facility.

Types of Portable Gantry Cranes

Portable Gantry Crane System

• Design and Mobility: These cranes are much smaller and lighter, making them highly portable. They can be moved using casters or rubber wheels, allowing for flexibility in various work environments[1][2][5].
• Applications: Ideal for light to medium lifting tasks, these cranes are often used in warehouses, workshops, garages, and construction sites where a permanent installation is not necessary.

Adjustable (Telescoping) Gantry Crane System

• Variable Dimensions: These cranes have adjustable height, span, and base width, making them highly maneuverable around different working areas[1][5].
• Flexibility: The adjustability allows for better accommodation of various lifting requirements and working environments.

Rail Mounted Portable Gantry Crane

• Design: These cranes are mounted on rails and are more economical and simple in design. They are suitable for light-duty applications with capacities up to 20 tons[1].
• Customization: Can be customized to fit specific rail configurations.

Key Components and Features

Support Legs

• Mobility: The legs are mounted on wheels or casters, enabling easy movement around the facility[3][5].

Horizontal Beam (Gantry Span)

• Load Support: The horizontal beam, or gantry span, is the main support for the load and can be adjusted in some models to accommodate different working environments[3].

Hoist Trolley

• Lifting and Positioning: The hoist lifts and lowers the load, while the trolley moves the hoist along the horizontal beam for precise positioning[3].

Applications of Portable Gantry Cranes

Industrial Settings

• Warehouses and Workshops: Used for lifting and moving materials, tools, and equipment in warehouses, workshops, and garages[2][4].
• Construction Sites: Valuable for lifting heavy items such as concrete blocks, steel beams, and lumber in construction projects[2][4].

Outdoor Tasks

• Shipping and Container Yards: Used for container handling and other outdoor tasks such as unloading cargo from ships[3][4].
• Rail and Highway Construction: Employed in railway and highway construction sites for handling heavy materials and equipment[4].

Advantages of Portable Gantry Cranes

Cost-Effectiveness

• Economical Solution: Portable gantry cranes offer a cost-effective solution compared to permanent crane installations, especially for infrequent lifting needs[2][5].

Space Flexibility

• Space-Saving: These cranes can be easily moved or stored when not in use, saving floor space and improving facility flexibility[1][5].

Versatility

• Adaptability: Portable gantry cranes can be used in various environments, from tight indoor spaces to expansive outdoor settings, making them versatile tools for different industries[3].

Safety and Maintenance Considerations

Safe Operation

• Load Capacity: Ensure the crane is used within its specified load capacity to avoid accidents and damage[3].
• Regular Maintenance: Regular maintenance is crucial to ensure the crane’s stability and performance. This includes checking the wheels, hoist, and trolley system[4].

Training and Operation

• Skilled Operators: It is essential to have trained operators who understand the crane’s capabilities and limitations to ensure safe and efficient operation[3].

Conclusion

Portable gantry cranes are invaluable tools in various industrial and construction settings due to their mobility, adaptability, and cost-effectiveness. By understanding the different types, components, and applications of these cranes, users can make informed decisions to meet their specific material handling needs. Always prioritize safety and regular maintenance to maximize the benefits of using a portable gantry crane.

Gantry Crane For Sale | China Manufacturer

Guide to Gantry Cranes from Kino Cranes

Introduction

Gantry cranes are versatile and essential pieces of equipment in various industries, including construction, shipbuilding, and manufacturing. 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 Cranes

• Design and Structure: These cranes are typically A-frame designed, making them suitable for general lifting purposes and heavy-duty outdoor applications such as freight yards, construction sites, railroad terminals, shipyards, and ports[1].
• Specifications:
• Maximum Lifting Height: 12-30 meters
• Span: Up to 35 meters
• Warranty: 1-2 years
• Material: Steel structure
• Power Source: Electric
• Certification: CE, ISO9001[1].
• Features:
• Full frequency conversion drive and PLC central control for independent mechanism action.
• High strength bolt assembly for onsite structural installation.
• Customized products available to meet specific needs[1].

Single Girder Gantry Cranes

• Design and Structure: These cranes feature a single main beam and are designed for cost-effective and customizable lifting solutions. They are suitable for factories, workshops, warehouses, power stations, and logistic centers[5].
• Specifications:
• Standard lifting capacities: 5 tons, 10 tons, 16/3.2 tons, 20/5 tons, and 32/5 tons[3].
• Safety features include anti-hook devices and reverse rollers to ensure safe and reliable operation[3].
• Features:
• Humanized design with anti-corrosion features, especially for harsh working environments.
• Integration of foreign advanced technologies for optimization[5].

Applications and Industries

• Construction and Building Material Shops: Gantry cranes are used for heavy-duty lifting in construction sites and building material shops[1].
• Shipbuilding and Ports: Large-tonnage shipbuilding gantry cranes are specifically designed for shipyards to assemble sections and parts of ships[5].
• Manufacturing and General Industry: Gantry cranes are used in various manufacturing plants for efficient material handling and lifting operations[1][4].
• Logistics and Warehouses: Single girder gantry cranes are often used in logistic centers and warehouses for loading and unloading goods[5].

Safety Features and Technologies

• Safety Mechanisms:
• Emergency stops and flashing beacons.
• Safety loops to avoid collisions.
• Derailment catches and rail cleaners for smooth crane movement.
• Storm locks and tiedown to prevent sliding or falling in heavy winds.
• Wind speed meters for safety alerts[2].
• Advanced Technologies:
• Full frequency conversion drive and PLC central control.
• High strength bolt assembly for robust installation.
• Integration of advanced foreign technologies for optimized performance[1][5].

Customization and After-Sales Service

• Customization: Kino Cranes offers customized products to meet the specific needs of different industries and applications[1].
• After-Sales Service: Services include field installation, commissioning, and training to ensure the smooth operation of the cranes. Regular maintenance and global customer service support are also provided[1][4].

Operational Efficiency and Benefits

• Efficient Processes: Gantry cranes from Kino Cranes are designed to enable efficient processes and optimize production in multiple layers[2].
• Space Efficiency: Compact hoist designs save space and fit different kinds of buildings[2].
• Performance and Maintenance: The cranes are designed for optimal performance throughout their lifetime, with regular maintenance and outstanding customer service[2].

Conclusion

Gantry cranes from Kino Cranes offer a comprehensive range of solutions for various industrial needs. With their robust design, advanced safety features, and customizable options, these cranes are ideal for enhancing operational efficiency and safety in different applications. Whether it is for construction, shipbuilding, or general manufacturing, Kino Cranes provides reliable and high-performance gantry crane solutions.

Gantry Crane Manufacture/Supplier in China

Guide to Gantry Cranes: Types, Specifications, and Applications

Introduction

Gantry cranes are versatile and powerful lifting solutions used in various industries, including construction, manufacturing, ports, and warehouses. They are known for their ability to handle heavy loads efficiently and safely. Here is a comprehensive guide to help you understand the different types, specifications, and applications of gantry cranes.

Types of Gantry Cranes

Single Girder Gantry Cranes

• Description: Single girder gantry cranes feature one girder beam and are suited for smaller lifting applications. They are widely used in workshops, storage facilities, and outdoor locations.
• Specifications:
• Lifting Capacity: 1-20 tons[3][4]
• Span Length: 8-35 meters[3][4]
• Lifting Height: 6-18 meters[1][3]
• Lifting Speed: 0.33-8 m/min[1][3]
• Working Class: A3, A4[1][3]
• Applications: Ideal for light to medium lifting tasks, these cranes are often used in warehouses, workshops, and hydroelectric power stations.

Double Girder Gantry Cranes

• Description: Double girder gantry cranes have two girder beams and are designed for high-capacity and demanding tasks. They can accommodate either top-running or under-running trolleys.
• Specifications:
• Lifting Capacity: 5-500 tons[1][3][4]
• Span Length: 12-35 meters[1][3][4]
• Lifting Height: 6-18 meters[1][3]
• Lifting Speed: 1.5-11.5 m/min[1]
• Working Class: A5, A6[1][3][4]
• Applications: These cranes are used in open warehouses, along rail lines, and for general handling and lifting work, especially in heavy-duty applications.

Semi-Gantry Cranes

• Description: Semi-gantry cranes are smaller or medium-sized cranes that use only one leg, often mounted to a wall or other support. They are versatile and used for materials handling in outdoor places and warehouses.
• Specifications:
• Lifting Capacity: 3-32 tons[1][3]
• Span Length: 8-30 meters[1][3]
• Lifting Height: 6-18 meters[1][3]
• Lifting Speed: 0.33-11.5 m/min[1][3]
• Working Class: A3-A6[1][3]
• Applications: Suitable for loading and unloading tasks in warehouses and outdoor locations.

L-Type Gantry Cranes

• Description: L-type gantry cranes feature L-shaped legs and are used to meet general outdoor material handling requirements.
• Specifications:
• Lifting Capacity: 5-50 tons[3][4]
• Span Length: 18-35 meters[3][4]
• Lifting Height: Similar to other types, typically 6-18 meters
• Working Class: A5, A6[3][4]
• Applications: Commonly used in freight yards, railroad stations, and storage facilities.

U-Type Gantry Cranes

• Description: U-type gantry cranes have support legs designed in a “U” configuration, providing additional clearance between the legs and the girders.
• Specifications:
• Lifting Capacity: 1-50 tons[4]
• Span Length: 12-35 meters[4]
• Lifting Height: Similar to other types, typically 6-18 meters
• Working Class: A5, A6[4]
• Applications: Ideal for lifting large and heavy loads, with the ability to extend girders on one or both sides to create cantilevers.

Rubber Tyred Gantry (RTG) Cranes

• Description: RTG cranes are mounted on rubber tires, allowing for greater mobility and flexibility.
• Specifications:
• Lifting Capacity: 5-500 tons[1]
• Span Length: 5-35 meters[1]
• Lifting Height: 6-18 meters[1]
• Lifting Speed: 1-10 m/min[1]
• Working Class: A3-A5[1]
• Applications: Used in ports and container terminals for efficient container handling.

Key Specifications and Components

Lifting Capacity

• Ranges from a few hundred pounds to several hundred tons, depending on the type of gantry crane[1][3][4].

Span Length

• Varies from 8 to 35 meters, depending on the crane type and application[1][3][4].

Lifting Height

• Typically ranges from 6 to 18 meters, with some cranes offering higher lifting heights[1][3].

Speeds

• Lifting speed: 0.33-11.5 m/min[1][3]
• Trolley running speed: 10-40.1 m/min[1]
• Crane running speed: 16-50 m/min[1]

Working Class

• Classified under various duty groups such as A3, A4, A5, and A6, indicating the crane’s workload and frequency of use[1][3][4].

Mechanical Parts

• Include the lifting mechanism, trolley traveling mechanism, and crane traveling mechanism[3].

Structural Parts

• Consist of the gantry frame and trolley, often made from steel and designed according to standards like FEM and AWS[2][4].

Electrical Parts

• Include electrical equipment and lines, with features such as overload limiting devices, disk brakes, and thermal protection on hoisting motors[2][3].

Safety Features and Standards

Standard Safety Features

• Overload limiting devices
• Disk brakes in all motors
• Thermal protection on hoisting motors
• Emergency stops
• Anti-collision devices
• Load display
• Horns
• Floodlights[2][5].

Design and Manufacturing Standards

• Design, dimensioning, and calculations are based on standards such as BS and FEM[2].
• Manufacturing of steel construction follows AWS standards[2].

Applications and Benefits

Industrial Applications

• Used in workshops, storage facilities, ports, hydroelectric power stations, and other industrial settings[1][3][4].

Benefits

• Efficient processes and space-saving designs
• Multiple safety features to prevent collisions, derailing, and wind damage
• Optimal performance and long-term reliability
• Versatility in handling different types of loads and working conditions[5].

Selection and Installation Considerations

Factors to Consider

• Lifting capacity and height requirements
• Span length and working class
• Type of load and lifting frequency
• Space constraints and building structure
• Safety features and compliance with standards[3][4].

Custom Designs

• Many manufacturers offer custom designs to fit specific application needs, including varying lifting capacities, spans, and working classes

China Portable Gantry Crane Manufacturers, Suppliers …

Guide to Portable Gantry Cranes

Introduction

Portable gantry cranes are versatile and adaptable lifting solutions widely used in various industrial and construction settings. They are known for their mobility, ease of use, and the ability to handle light to medium lifting tasks efficiently.

Types of Portable Gantry Cranes

Portable Gantry Crane System

• Design and Mobility: Portable gantry cranes are smaller and lighter, designed to be moved around any facility using casters or rubber wheels. This mobility allows them to be used in different locations as needed and stored away when not in use, saving space and improving floor space flexibility[1][2][5].
• Load Capacity: These cranes typically have a lifting capacity ranging from 0.25 tons to 10 tons, making them suitable for light to medium lifting tasks[1][2][5].

Adjustable (Telescoping) Gantry Crane System

• Variable Dimensions: Adjustable gantry cranes have variable dimensions, including movable placement along the I-beam (gantry span), movable height, and movable base width. This adjustability makes them more maneuverable around the working area[1][5].
• Flexibility: The adjustable design allows the crane to accommodate different working environments and lifting requirements, enhancing its versatility in various settings.

Rail Mounted Gantry Crane

• Design and Capacity: Rail mounted gantry cranes are light-duty cranes with a simple design and cost-effective configurations. They have capacities up to 20 tons and are used for tasks that require movement along a rail system[1][4].
• Customization: These cranes can be customized to fit specific rail systems, making them suitable for various industrial applications.

Key Components and Features

Support Structure

• Freestanding Legs: Portable gantry cranes are supported by freestanding legs that can move on wheels or along a track or rail system. This design eliminates the need for permanent runway beams and support columns, making them a cost-effective solution[5].

Horizontal Beam (Bridge)

• Main Support: The horizontal beam, or bridge, spans the width of the crane and serves as the main support for the load. It is a critical component that ensures the stability and safety of the crane during operation[3].

Hoist Trolley

• Lifting and Positioning: The hoist lifts and lowers the load, while the trolley moves the hoist along the horizontal beam. This combination allows for precise positioning of the load, enhancing the crane’s efficiency and accuracy[3].

Applications and Uses

Industrial Settings

• Warehouses and Workshops: Portable gantry cranes are commonly used in warehouses, workshops, and garages for light lifting tasks. They are ideal for locations where the building structure cannot support an overhead crane[2][4][5].
• Construction Sites: These cranes are highly valued in the construction industry for their mobility and load capacity. They are used to lift heavy items such as concrete blocks, large steel support beams, and substantial quantities of lumber[2][3].

Outdoor Tasks

• Shipping and Container Yards: Portable gantry cranes are used in shipping docks, container yards, and other outdoor settings for tasks such as unloading cargo and handling containers[2][4][5].
• Heavy Fabrication and Yards: They are also employed in rail yards, steel yards, and scrap yards for heavy fabrication applications and material handling[4][5].

Safety and Maintenance

Safety Considerations

• Load Capacity: Always ensure that the load does not exceed the crane’s specified capacity to avoid accidents and damage to the crane[1][2][3].
• Work Area Assessment: Understand the size, shape, and conditions of the work area to select a crane with the right dimensions and mobility[3].

Maintenance

• Regular Inspections: Regularly inspect the crane’s components, including the support structure, horizontal beam, and hoist trolley, to ensure they are in good working condition.
• Proper Storage: When not in use, store the crane in a safe location to prevent damage and maintain its mobility.

Selection Criteria

Load Capacity and Frequency of Use

• Light Loads: For light loads and infrequent use, portable gantry cranes with capacities up to 10 tons are suitable[1][2][5].
• Adjustability: Consider adjustable gantry cranes if the working environment requires variable dimensions and lifting requirements[1][5].

Work Environment

• Indoor vs. Outdoor: Choose a crane that is suitable for the specific work environment, whether it is an indoor workshop or an outdoor construction site[2][3][5].
• Space Constraints: Select a crane that fits into the available space, considering factors such as height, span, and mobility[3][5].

By understanding the types, components, applications, and selection criteria of portable gantry cranes, users can make informed decisions to optimize their material handling and lifting operations efficiently and safely.

Adjustable Mobile Gantry Crane Suppliers …

Since the provided URL is not accessible, I will create a comprehensive guide based on the general characteristics, features, and applications of portable gantry cranes, using the information from the other sources.

Guide to Portable Gantry Cranes

Introduction

Portable gantry cranes are versatile and mobile lifting solutions designed to assist in the safe and efficient lifting of heavy objects in various work environments. They are particularly useful in areas where permanent lifting structures are not feasible or economical.

Key Components and Design

A-Frame and Beam Structure

• Portable gantry cranes consist of an overhead structure supported by freestanding legs (A-frames) that move on wheels. The beams and A-frames are often interchangeable and adjustable to accommodate different lifting requirements[1][3][5].

Materials

• These cranes can be made from various materials, including steel and aluminum. Aluminum gantry cranes are notable for their lightweight and corrosion-resistant properties, making them ideal for easy transportation and use in clean environments[2][5].

Wheels and Casters

• The cranes are equipped with ergonomic 360° swivel-locking casters or non-marking durable phenolic casters, which provide low rolling resistance and smooth movement over various floor surfaces[1][2][5].

Features and Advantages

Load Capacity

• Portable gantry cranes have a wide range of load capacities, from 100 kg to 11,000 lbs (5 tons), depending on the model and configuration. They can be used for both goods and personnel lifting[1][3][5].

Adjustability

• Many models offer adjustable height and span configurations, allowing for flexibility in different work environments. This adjustability includes simple bolt adjustments for lift height and clear span[2][3][5].

Safety Compliance

• These cranes are often OSHA and ANSI Z359.18-17 compliant, ensuring they meet stringent safety standards for both goods and personnel lifting, as well as fall protection applications[1][4].

Ease of Assembly and Disassembly

• Portable gantry cranes are designed for easy assembly and disassembly, with some models capable of being set up by a single person without tools. This feature enhances their portability and convenience[2][4].

Customization

• The cranes can be customized with various trolley options, winch brackets, and other accessories to meet specific lifting requirements. Customizable configurations include different beam lengths and A-frame heights[1][3][5].

Applications

General Lifting

• Portable gantry cranes are used for lifting materials anywhere in a facility, especially in areas where permanent lifting structures are not available or practical[2][3][5].

Maintenance and Repair

• They are useful for maintenance tasks over machines, allowing for the safe lifting of equipment and personnel during repair operations[2].

Infrequent Lifting Needs

• These cranes are ideal for situations where lifting is required on an infrequent basis, as they can be easily moved and stored when not in use[2][5].

Confined Space Access

• Some models, like the PORTA GANTRY RAPIDE, are specifically designed for confined space access scenarios, providing a quick and safe solution for lifting equipment and personnel in tight spaces[4].

Safety and Operational Considerations

Fall Protection

• Many portable gantry cranes offer integrated fall protection features, including overhead anchor points for multiple users. They are designed to meet ANSI Z359.18-17 standards for fall protection applications[1][4].

Operator Safety

• The cranes are engineered with safety in mind, featuring bolted beam designs and stable structures to ensure operator safety during lifting operations[2][3].

Supervision and Instruction

• It is crucial to follow detailed instructions and have competent supervision when moving the crane under load to ensure safe operation[1].

Maintenance and Storage

Compact Design

• Portable gantry cranes are designed to be compact and lightweight, making them easy to transport and store when not in use. Aluminum models are particularly noted for their lightweight and collapsible design[2][5].

Corrosion Resistance

• Many models are anodized or powder-coated to enhance corrosion resistance, ensuring durability and long service life[1][2].

Conclusion

Portable gantry cranes offer a versatile, safe, and efficient solution for lifting needs in various work environments. Their adjustability, ease of assembly, and compliance with safety standards make them an invaluable tool for industries requiring mobile lifting solutions. By understanding the key components, features, and applications of these cranes, users can select the most appropriate model to meet their specific needs.

China Portable Gantry Crane Quotation

Since the provided websites do not include the specific URL you mentioned, the following guide is compiled from the general information available on portable gantry cranes from the other sources.

Portable Gantry Crane Guide

Introduction

A portable gantry crane is a versatile, economical, and flexible solution for lifting and moving heavy loads within various facilities, including garages, shops, workstations, construction sites, and factories. Here is a comprehensive guide to help you understand the features, benefits, and applications of portable gantry cranes.

Key Features

Load Capacity and Technical Parameters

• Load capacity: Up to 10 tons, though common models range from 0.5 to 3 tons[1][4][5].
• Span: Adjustable from 2 to 20 feet (or up to 35 feet in some models)[1][3][5].
• Lifting height: Typically ranges from 2 to 12 feet, with adjustable height options[1][3][5].
• Lifting speed: Varies from 0.9 to 7.2 meters per minute[1].
• Trolley running speed: Usually around 11 meters per minute[1].
• Crane running speed: Can be manual or up to 6 meters per minute[1].

Materials and Construction

• Often made from lightweight materials such as aluminum or heavy-gauge steel tubing, which ensures stability and portability[2][3][5].

Adjustability

• Adjustable height, span, and caster frame spread to accommodate different lifting requirements and environments[3][4][5].
• Height adjustments can be made in 6-inch increments to fit various ceiling heights and floor conditions[3][5].

Mobility

• Equipped with caster wheels (phenolic, urethane, or inflatable pneumatic wheels) for easy movement and positioning[1][3][5].

Benefits

Mobility and Flexibility

• Designed to be mobile and flexible, allowing the crane to be moved anywhere and anytime. This feature is particularly useful in environments where the crane needs to be relocated frequently[1][3][5].

Light Weight

• Lightweight construction makes it easier to transport and store the crane when not in use. Aluminum models are especially light, starting as low as 116 pounds[2][3][5].

Quick Assembly and Disassembly

• Easy to assemble and disassemble, which facilitates transportation to remote areas and storage in compact spaces[1][3][5].

Cost-Effective

• Generally cheaper than standard gantry cranes, with additional savings on transportation and construction costs[1].

Adjustable

• The ability to adjust the height and span of the crane makes it versatile for various tasks and environments, including low headroom areas and wider lift ranges[3][4][5].

Applications

Industrial and Commercial Use

• Widely used in shipyards, scrap yards, construction sites, warehousing, manufacturing, plant facilities, repair shops, and HVAC applications due to their portability and heavy lifting capabilities[4].

Construction Sites

• Useful for lifting and moving materials on construction sites where traditional cranes may not be feasible[2].

Workstations and Factories

• Ideal for lifting heavy loads inside facilities where space is limited and traditional cranes cannot be installed[1].

Specialized Environments

• Corrosion-resistant aluminum gantries are suitable for use in refrigerated areas and other controlled environments[5].

Safety and Compliance

Safety Features

• Many models come with safety features such as auto-monitoring systems, safety cables, and four-position swivel locks to ensure safe operation[1][3][5].

Compliance with Standards

• Designed and manufactured to comply with OSHA and ANSI standards, ensuring the safety and reliability of the equipment[3][5].

Additional Components and Accessories

Trolleys and Hoists

• Can be equipped with manual hoists, chain hoists, electric hoists, and various types of trolleys to meet specific lifting needs[1][4].

Casters and Wheels

• Options include molded phenolic casters, urethane casters, and inflatable pneumatic wheels for different surface conditions[3][4].

Height Adjustment Kits

• Kits available for frequent crane height adjustments, such as jack kits and ratchet-adjusted height options[4].

Other Accessories

• Festooning kits, track mounting with V-groove casters, and power drive kits for motorizing the crane are also available[4].

Conclusion

Portable gantry cranes offer a highly versatile and cost-effective solution for lifting and moving heavy loads in various settings. Their adjustability, mobility, and compliance with safety standards make them an essential tool for many industries. By understanding the features, benefits, and applications of these cranes, you can select the most suitable model for your specific needs.

All Types of Overhead Cranes for Sale in China

Guide to Overhead Cranes: Types, Features, and Applications

Introduction

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

Types of Overhead Cranes

Single Girder Overhead Cranes

Basic Structure

• A single girder overhead crane consists of a single bridge girder supported on two end trucks.
• It includes a trolley hoist mechanism that runs on the bottom flange of the bridge girder[1].

Main Types and Models

• LB Model: Span of 3-16m, working class A3-A5, lifting capacity of 1-16 tons, and lifting heights of 6, 9, 12, 18, and 24 meters.
• LX Explosion Proof Overhead Crane: Span of 7.5-28.5m, working class A3, lifting capacity of 0.5-10 tons, and lifting heights of 6, 9, 12, and 18 meters.
• LDY Model: Span of 3-16m, working class A3, lifting capacity of 1-10 tons, and lifting heights of 9, 12, 15, 18, and 20 meters.
• LDP Model: Span of 7.5-22.5m, working class A3-A4, lifting capacity of 3-10 tons, and lifting heights of 6, 9, and 12 meters.
• LDE Model: Span of 7.5-22.5m, working class A3, lifting capacity of (5+5) tons to (10+10) tons, and lifting heights of 6, 9, 12, 18, 24, and 30 meters.
• SL Model: Span of 1-10m, working class A3, lifting capacity of 1-5 tons, and lifting heights of 1-6 meters.
• LDZ Model: Span of 4.5-28.5m, working class A5, lifting capacity of 3-10 tons, and lifting heights of 9, 12, 15, 18, and 20 meters[1].

Double Girder Overhead Cranes

Basic Structure

• A double girder overhead crane features two girder beams supported by an end truck on each side.
• The electric hoist trolley runs on a rail installed above the bridge girders[2].

Advantages

• High lifting capacity
• Increased height
• Greater stability
• Customizability and versatility
• Ideal for industrial settings with limited space[1].

Main Types and Models

• LH Model: Suitable for light and middle-grade working duties, with a lifting capacity of 5, 10, 16, 20, 32/5 tons, span of 7.5-25.5 meters, and lifting heights of 6, 9, 12, 18, 24, and 30 meters.
• QD Model: High-duty crane with a lifting capacity of 5-450 tons, span of 10.5-31 meters, and lifting height of 26 meters.
• QB Model: Lifting capacity of 5-75 tons, span of 10.5-31.5 meters, and lifting heights of 14-22 meters.
• QE Model: Lifting capacity of 5-16 tons, span of 10.5-31.5 meters, and lifting height of 16 meters.
• QDY Model: Lifting capacity of up to 75 tons, span of 10.5-31.5 meters, and lifting height of 20 meters.
• QZ Model: Lifting capacity of 5, 10, 16, 20 tons, span of 10.5-31.5 meters, and lifting heights of 18, 20, 26, and 28 meters.
• QC Model: Lifting capacity of 5-32/5 tons, span of 10.5-31.5 meters, and lifting height of 18 meters[1].

Features of Overhead Cranes

Design and Construction

• Bridge Frame: Can be box-type or other structural designs.
• Lifting Trolley: Includes the hoist mechanism and runs on the bridge girders.
• Crane Traveling Mechanism: Allows the crane to move along the runway.
• Electrical System: Controls the crane’s operations, including motors, electrical parts, and control methods (remote or pendant control)[2].

Technical Specifications

• Lifting Capacity: Ranges from 1 ton to 450 tons depending on the model.
• Span: Varies from 3 meters to 31.5 meters.
• Lifting Height: Can range from 6 meters to 30 meters or more.
• Working Duty Class: Classified as A3 to A7 depending on the application.
• Control Methods: Includes remote control and pendant control.
• Electrical Parts: Often uses brands like CHINT or Schneider.
• Motors and Bearings: Typically uses Chinese brands like Nanjing for motors and HRB for bearings.
• Hoist Lifting Speed: Can vary from 0-8 m/min.
• Crane Traveling Speed: Can range from 0-20 m/min[2].

Applications of Overhead Cranes

Industrial Settings

• Overhead cranes are widely used in various industries such as:
• Steel plants
• Power plants
• Oil industry
• Plastic plants
• Cement plants
• Mines
• Food industry
• Chemical industry
• Cable plants
• Machine tool industry
• Automotive industry
• Construction companies
• Electrical companies
• Shipyards
• Stone yards
• Installation and maintenance services[2].

Specific Use Cases

• Pre-Engineered Steel Buildings: For handling and assembling steel structures.
• Steel Product Makers: For lifting and moving steel products.
• Workshops and Assembly Lines: For general lifting tasks in manufacturing and repair workshops.
• Warehouses and Storage Yards: For cargo handling and storage[2].

Selection Criteria for Overhead Cranes

Lifting Capacity

• Determine the maximum weight you need to lift and choose a crane with an appropriate lifting capacity.

Span and Lifting Height

• Consider the width of the area where the crane will operate and the height to which you need to lift loads.

Working Duty Class

• Choose a crane that matches your working duty class, whether it is light, medium, or heavy duty.

Space Requirements

• Ensure the crane fits within the available space in your facility, considering both the span and the height.

Financial Constraints

• Balance the cost of the crane with its features and the benefits it provides to your operations.

Environmental Conditions

• Consider the working ambient temperature

Motorized Portable Gantry Crane Suppliers …

Since the provided websites do not include the specific content from https://www.stonimagecrane.com/portal-gantry-crane/motorized-portable-gantry-crane.html, I will create a comprehensive guide based on the general information about motorized portable gantry cranes gathered from the other sources.

Guide to Motorized Portable Gantry Cranes

Introduction

Motorized portable gantry cranes are versatile and efficient lifting solutions designed for various industrial and operational needs. These cranes offer mobility, flexibility, and ease of use, making them ideal for environments where permanent crane installations are not feasible.

Key Features of Motorized Portable Gantry Cranes

Structural Design

• Frame and Uprights: Typically made from heavy-duty steel or lightweight aluminum, these cranes feature square tubing uprights, knee braces, and a channel base for stability and smooth movement[3].
• Adjustable Height: Many models come with adjustable height options, allowing the crane to be tailored to different lifting requirements[3].
• Modular Design: The beam and columns are often bolted together, facilitating easy installation and disassembly[2].

Lifting Capabilities

• Capacity: Ranges from 1 ton to 5 tons, depending on the model and application[2][3].
• Span: Can extend up to 30 feet (approximately 9 meters) for steel models and up to 20 feet (approximately 6 meters) for aluminum models[3].
• Lifting Height: Varies from 1 to 15 meters, depending on the crane’s configuration[2][3].

Power and Control Systems

• Motorized Operation: Equipped with electric motors that power the movement and lifting operations. These can be controlled via pendant, radio, or a combination of both[1].
• Battery-Powered Options: Some models are battery-powered, offering independence from a fixed power supply and enhanced mobility[4].

Mobility and Maneuverability

• Wheels and Casters: Fitted with durable, wear-resistant wheels or casters that provide low rolling resistance, enabling easy movement across various surfaces[2][3].
• Wireless Remote Control: Many models are steerable and can be controlled using wireless remote controls for added convenience[2].

Safety Features

General Safety

• Emergency Stops: Built-in emergency stops to ensure immediate halt in case of an emergency[1].
• Safety Loops: Designed to avoid collisions and ensure safe operation[1].

Wind and Stability

• Storm Locks and Tie-Downs: Features to prevent sliding or falling in heavy winds[1].
• Wind Speed Meter: Provides audible signals to prompt safety actions based on wind speed[1].

Hoist Safety

• Smart Features: Includes features like Sway Control, Hook Centering, and Slack Rope Prevention to enhance safety and control during lifting operations[1].

Operational Benefits

Efficiency and Productivity

• Flexible Lifting Solution: Can be used for infrequent lifts, in areas where permanent structures are not feasible, or in conjunction with overhead cranes[3].
• Easy Movement: Allows for smooth and efficient movement across the work area, even over rough floor surfaces[3].

Cost-Effectiveness

• Reduced Material Costs: Compared to bridge cranes, gantry cranes often have lower material costs due to not requiring permanent runway beams and support columns[5].

Adaptability

• Indoor and Outdoor Use: Suitable for both indoor and outdoor applications, making them versatile for various operational needs[3][5].

Maintenance and Service

Design for Easy Maintenance

• Modular Components: Designed for easy installation, disassembly, and maintenance. Key components are often bolted together for simplicity[2].
• Regular Maintenance: Important for optimal performance and longevity of the crane. Regular checks and maintenance can be performed to ensure the crane remains in good working condition[1].

Customer Support

• Global Customer Service: Many manufacturers offer outstanding global customer service, including professional installation, in-house repairs, and engineering expertise tailored to specific operational needs[5].

Conclusion

Motorized portable gantry cranes are highly versatile and efficient tools for material handling in various industrial settings. With their adjustable heights, robust structural designs, advanced safety features, and cost-effective nature, these cranes can significantly enhance operational efficiency and productivity. Whether used in indoor or outdoor environments, these cranes offer a flexible and reliable lifting solution that can be tailored to meet specific industry requirements.

Portable Rapid Gantry China – toyo-hoists.com

Since the provided websites do not include the specific content from https://www.toyo-hoists.com/portable-rapid-gantry-china.html, I will create a comprehensive guide based on the general information available about the Porta-Gantry Rapide, which is a similar product.

Guide to the Porta-Gantry Rapide

Introduction

The Porta-Gantry Rapide is a highly versatile, portable, and lightweight aluminium gantry system designed for rapid deployment and ease of use. It is ideal for various applications including goods lifting, personnel safety, and fall protection.

Key Features

Portability and Lightweight Construction

• The Porta-Gantry Rapide is made from durable and lightweight aluminium, allowing it to be easily transported and stored. It can be carried by two people and has a compact storage design[2][3].

Rapid Assembly and Disassembly

• One of the standout features is its ability to be assembled or disassembled by a single person in approximately 60 seconds, without the need for any tools[1][2][3].

Load Capacity

• The system has a goods working load limit of up to 1000kg (1 tonne) and a personnel capacity of up to 500kg (depending on the model)[1][2][3].

Height Adjustability

• The gantry is available in three height-adjustable versions with overall beam lengths of 2m, 3m, and 4m. The height can be adjusted up to 2.9m to the lifting eye[1][2].

Fall Protection and Personnel Lifting

• The Porta-Gantry Rapide is suitable for fall protection applications and can support up to 3 users. It is ANSI Z359.18-17 and OSHA compliant, making it an essential piece of equipment for personnel lifting and lowering[3].

Integrated Wheel Design

• The system features an integrated wheel design that folds with the frame, facilitating easy transportation and positioning. Load-bearing lockable castors are also available for secure placement[2][3].

Applications

Confined Space Access

• The Porta-Gantry Rapide is particularly useful for confined space access, rescue, and entry lifting situations due to its compact and adjustable design[1][2][3].

Heavy Lifting

• It is suitable for heavy lifting applications in various environments, including warehouses, workshops, and outdoor sites[2][4].

Personnel Safety

• The gantry is designed to ensure personnel safety, with features such as fall arrest capacity and compatibility with winches and SRLs (Self-Retracting Lifelines)[3].

Accessories and Customization

Additional Components

• The system can be customized with various accessories such as close coupled trolleys, sheaves and sheave carriers, winches, and fall arrest and retrieval devices[2][3].

Beam and Trolley Options

• Multiple beam lengths and trolley options are available to suit specific requirements, allowing for dual use in lifting both materials and personnel[3].

Safety and Compliance

Certifications

• The Porta-Gantry Rapide is certified to EN795:2012 and ATEX (Zone 2, as standard), ensuring compliance with safety standards[1].

Compliance with Regulations

• The system is ANSI Z359.18-17 and OSHA compliant, making it a reliable choice for personnel lifting and fall protection applications[3].

Maintenance and Storage

Corrosion Resistance

• The gantry is anodised for corrosion resistance, ensuring durability over time[2].

Storage

• The lightweight and foldable design allows for compact storage, making it easy to store and transport the gantry when not in use[2][3].

Conclusion

The Porta-Gantry Rapide is an innovative and versatile lifting solution that combines ease of use, safety, and portability. Its rapid assembly, adjustable heights, and compatibility with various accessories make it an ideal choice for a wide range of lifting and fall protection applications.

5 Ton Portable Gantry Crane Manufacturers and Suppliers

Given that the specific website you mentioned is not accessible in the provided search results, I will create a comprehensive guide based on the general characteristics and features of a 5-ton portable gantry crane, using the information from the other sources.

Guide to 5-Ton Portable Gantry Cranes

Introduction

Gantry cranes are versatile and essential tools in various industrial settings, including manufacturing, assembly, repair, and material handling. A 5-ton portable gantry crane is particularly useful due to its high load capacity, adjustability, and portability.

Key Components

A-Frame or I-Beam Structure

• Gantry cranes typically consist of two leg structures and an I-beam span.
• The A-frame design provides stability and support for heavy loads[3].

I-Beam Specifications

• The I-beam is usually made from high-quality steel and can vary in size, such as S15″ X 42.9#/’ or similar configurations.
• The beam is designed to have a minimal deflection, typically no greater than 1/800th of the span[1].

Leg Structures

• The legs are adjustable in height, often in 6-inch increments, and equipped with safety stops to prevent accidental height changes.
• The main leg castings are typically made from ductile iron and feature spring-loaded pins for secure height adjustments[1].

Adjustability Features

Height Adjustment

• The crane allows for adjustable height settings to accommodate different lifting requirements.
• Telescoping legs can be adjusted in 6-inch increments[1].

Span Adjustment

• The span of the crane can be adjusted to fit various workspaces, allowing for inboard braced, outboard braced, or cantilevered configurations[1].

Caster Frame Spread Adjustment

• The caster frame spread can be adjusted in 6-inch increments, with an internal steel safety cable to prevent over-spreading[1].

Portability and Mobility

Casters

• Gantry cranes are equipped with rotating casters, typically 8 inches in diameter, which allow for easy movement and positioning.
• Casters often feature non-marking phenolic resin and 4-position swivel locks for better control and stability[1].

Assembly and Disassembly

• These cranes are designed to be easy to assemble, disassemble, transport, and store, making them highly portable[1].

Safety and Stability

Load Capacity

• A 5-ton gantry crane has a maximum load capacity of 10,000 pounds, with specific guidelines for cantilevered loads (e.g., 6,000 pounds)[1].

Stability Features

• The crane is designed to roll under load, ensuring stability during movement.
• Safety features include malleable iron safety stops and internal steel safety cables to prevent over-spreading of the caster frame[1].

Applications

Industrial Use

• Gantry cranes are used in various industrial applications such as assembly, repair, and material transfer.
• They are particularly useful in facilities where loads need to be moved frequently between different areas[3].

Flexibility

• The ability to configure the crane in different ways (e.g., cantilever style) makes it versatile for different tasks, such as assembly work or moving loads off the crane[3].

Maintenance and Painting

Painting and Protection

• The I-beam and I-beam brackets are typically painted with red gloss industrial quality paint.
• The frames, including brace legs, caster frames, and main legs, are dip-painted for protection of both inner and outer tubing walls[1].

Additional Considerations

No Permanent Installation Required

• Gantry cranes do not require permanent installation or secondary foundations, making them ideal for rented facilities or for those anticipating a move[3].

Cost-Effectiveness

• Portable gantry cranes are cost-effective solutions for areas with infrequent lifts, offering a balance between functionality and cost[4].

By understanding these features and benefits, users can make informed decisions when selecting and utilizing a 5-ton portable gantry crane for their specific needs.

Frequently Asked Questions (FAQs)

What are the key technical parameters to consider when selecting a portable gantry crane?

When selecting a portable gantry crane, several key technical parameters need to be considered. These include the load capacity, which ranges from 0.5 to 10 tons, depending on the model. The span of the crane, which can be between 2 to 16 meters, and the lifting height, which can range from 2 to 12 meters, are also crucial. Additionally, the lifting speed, trolley running speed, and crane running speed are important factors. For example, the lifting speed can be between 0.9 to 7.2 meters per minute, while the trolley running speed can be up to 11 meters per minute. The work duty classification, such as A2, also needs to be considered to ensure the crane meets the operational demands of your workplace[2].

How do I ensure the safe operation of a portable gantry crane?

Ensuring the safe operation of a portable gantry crane involves several steps. First, after assembling the crane, a load test should be conducted to check the operating strength, bearing strength, stability, and reliability of the system. During operation, the crane must be reliable and stable without any distortion. Overload lifting is strictly prohibited, and the crane should be moved without a load. A dedicated person should provide unified guidance during operation, and other personnel should have a clear division of labor and a unified contact signal. In the event of a power outage or other special circumstances, heavy objects should be lowered to the ground and not left suspended in the air. It is also strictly forbidden to stand under the movable gantry and the heavy objects being lifted[2].

What are the installation requirements for a portable gantry crane?

The installation of a portable gantry crane is relatively straightforward but requires careful attention to detail. The crane is typically delivered in an unassembled form, and installation should be done according to the provided drawings. The main beam of the crane is connected to the legs with high-strength bolts through flange plates, which allows for quick disassembly and installation. Universal wheels attached to the legs enable the crane to be moved in all directions on flat ground. It is essential to ensure the ground is flat and stable before operation and to lock the universal wheel locks after adjusting the position of the crane[2].

Can portable gantry cranes be customized to meet specific workplace requirements?

Yes, portable gantry cranes can be customized to meet specific workplace requirements. Manufacturers often provide options for customization based on customer needs. This can include adjusting the load capacity, span, and lifting height to fit the particular demands of your workspace. Additionally, the crane can be equipped with different types of hoists, such as manual hoists, chain hoists, or electric hoists. Customers can provide details of their workstations, including drawings, heights, and widths, to ensure the crane specifications match their needs[2][4].

What maintenance is required for a portable gantry crane?

Regular maintenance is essential to ensure the longevity and safe operation of a portable gantry crane. This includes greasing moving parts and inspecting for wear and tear. The crane’s operational systems should be checked periodically to ensure they are functioning correctly. Additionally, the crane’s load-bearing structure and other critical components should be inspected regularly to prevent any potential failures. It is also important to follow the manufacturer’s guidelines for maintenance and to address any issues promptly to avoid accidents and extend the lifespan of the crane[2][4].