In the bustling industrial landscape of China, the semi gantry crane stands as a versatile and indispensable tool, revolutionizing material handling in various sectors. From the bustling warehouses and assembly workshops to the expansive outdoor yards of ports, steel yards, and construction sites, the semi gantry crane is a workhorse that enhances efficiency, safety, and productivity.

This in-depth guide delves into the world of semi gantry cranes, offering a comprehensive overview of their types, features, and applications. Readers will gain insights into the different configurations, such as single girder, double girder, and trackless types, and how these cranes can be customized to meet specific industrial needs. You will learn about the advanced technologies and safety features that make these cranes reliable and efficient, including weight overload protection, limit switches, and emergency stop systems.

Whether you are an industry professional seeking to optimize your material handling operations or an investor looking to understand the market potential of semi gantry cranes, this guide provides

Gantry Crane Manufacture/Supplier in China

Gantry Cranes: A Comprehensive Guide

Introduction

Gantry cranes are versatile and powerful lifting solutions used in a variety of industries, including construction, manufacturing, ports, and warehouses. They are designed to handle heavy workloads and offer efficient and cost-effective ways to lift and move equipment, materials, and tools of varying sizes and weights.

Types of Gantry Cranes

Single Girder Gantry Cranes

• Lifting Capacity: Typically range from 1 to 20 tons[3][4].
• Span Length: Usually between 8 to 35 meters[3][4].
• Working Class: Often classified under A3 and A4 duty groups, indicating moderate usage[3][4].
• Applications: Widely used in workshops, storage facilities, ports, and outdoor locations where smaller lifting applications are required[3][4].

Double Girder Gantry Cranes

• Lifting Capacity: Can handle loads from 5 to 500 tons, making them suitable for high-capacity and demanding tasks[1][3][4].
• Span Length: Generally range from 12 to 35 meters[1][3][4].
• Working Class: Classified under A5 and A6 duty groups, indicating heavy-duty usage[1][3][4].
• Applications: Ideal for open warehouses, rail yards, and general handling and lifting work that requires high bearing capacity and excellent stability[3][4].

Semi-Gantry Cranes

• Lifting Capacity: Typically range from 2 to 32 tons[1][3].
• Span Length: Usually between 8 to 30 meters[1][3].
• Working Class: Often classified under A3 and A4 duty groups[1][3].
• Applications: Used for materials handling in outdoor places, warehouses, and for loading and unloading tasks where only one side of the crane needs to be supported[1][3].

L-Shaped Gantry Cranes

• Lifting Capacity: Range from 5 to 50 tons[4].
• Span Length: Generally between 18 to 35 meters[4].
• Working Class: Classified under A5 and A6 duty groups[4].
• Applications: Commonly used in freight yards, railroad stations, and storage facilities due to their ability to handle extended loads efficiently[4].

U-Shaped Gantry Cranes

• Lifting Capacity: Can handle loads from 1 to 50 tons[4].
• Span Length: Usually between 12 to 35 meters[4].
• Working Class: Classified under A5 and A6 duty groups[4].
• Applications: Ideal for lifting large and heavy loads, with the option to extend girders on one or both sides to create cantilevers for easier loading and unloading[4].

Key Specifications and Features

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 5 to 35 meters, with some cranes offering custom span lengths[1][3][4].

Lifting Height

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

Lifting Speed

• Can vary from 0.33 to 11.5 meters per minute, depending on the crane model and its application[1][3].

Trolley and Crane Traveling Speeds

• Trolley traveling speeds can range from 2 to 40.1 meters per minute, while crane traveling speeds can range from 3 to 50 meters per minute[1][3].

Work Duty

• Classified under various duty groups (A3 to A7), indicating the crane’s usage intensity and frequency[1][3].

Mechanical, Structural, and Electrical Components

Mechanical Parts

• Include the lifting mechanism, trolley traveling mechanism, and crane traveling mechanism. These mechanisms enable efficient transfer and lifting of loads[3][4].

Structural Parts

• Primarily consist of the gantry frame and trolley. The structure is designed to provide stability and support for heavy loads[3][4].

Electrical Parts

• Comprise electrical equipment and electrical lines. Features include hoist motors, trolley motors, and bridge travel motors, along with control systems and safety devices[2][3].

Safety Features

Overload Limiting Devices

• Prevent the crane from lifting loads beyond its capacity[2].

Disk Brakes

• Installed in all motors to ensure safe and controlled braking[2].

Thermal Protection

• Protects the hoisting motor from overheating[2].

Anti-Collision Devices

• Prevent collisions between the crane and other obstacles[2].

Emergency Stops

• Located on each leg of the crane for immediate shutdown in emergency situations[2].

Load Display

• Displays the load weight to ensure safe operation[2].

Applications and Benefits

Industrial Use

• Gantry cranes are used in various industrial settings such as workshops, storage facilities, ports, and rail yards for lifting and moving heavy equipment and materials[3][4].

Space Efficiency

• They can be designed to fit different types of buildings, saving space with compact hoist designs[5].

Safety and Reliability

• Equipped with multiple safety features to prevent collisions, derailing, and wind damage. They are designed for long-term reliability and optimal performance[5].

Custom Designs

• Many manufacturers offer custom designs to meet specific application needs, ensuring the crane is tailored to the user’s requirements[1][3].

Considerations for Purchasing a Gantry Crane

Lifting Capacity and Height

• Ensure the crane’s lifting capacity and height meet the requirements of your application[3].

Span Length and Working Class

• Select a crane with the appropriate span length and working class to match your usage intensity[3].

Mechanism Operating Speeds

• Consider the lifting, trolley traveling, and crane traveling speeds to ensure they align with your operational needs[3].

Total Weight and Wheel Load

• Important for ensuring the crane does not exceed the load-bearing capacity of the floor or rails[3].

By understanding these key aspects of gantry cranes, users can make informed decisions when selecting the most suitable crane for their specific lifting applications.

Gantry Crane For Sale | China Manufacturer

Guide to Gantry Cranes from Kinocranes

Introduction

Gantry cranes are versatile and essential pieces of equipment in various industrial settings, including warehouses, yards, and port facilities. Kinocranes, a leading manufacturer, offers a range of gantry crane solutions tailored to different applications and needs.

Types of Gantry Cranes

Single Girder Gantry Cranes

Description

Single girder gantry cranes are known for their simple structure, ease of manufacture and installation, and lightweight design. They are ideal for light to medium-duty lifting applications.

Key Features

• Lifting Capacity: Up to 50 tons[2].
• Lifting Height: 3 to 30 meters or customized[2].
• Span: 3 to 35 meters[2].
• Leg Types: L-shaped and C-shaped legs, with C-shaped legs providing larger transverse space for cargo[2].
• Lifting Mechanism: Wire rope hoist or electric chain hoist[2].
• Control Methods: Ground handle control, wireless remote control, or cabinet control[2].

Applications

Single girder gantry cranes are suitable for various settings such as factories, workshops, warehouses, power stations, and logistic centers[2].

Double Girder Gantry Cranes

Description

Double girder gantry cranes are designed for heavier-duty applications and offer higher lifting capacities and spans compared to single girder cranes.

Key Features

• Lifting Capacity: Higher than single girder cranes, suitable for heavy-duty applications[3].
• Applications: Open warehouses, yards, railway freight stations, port dock cargo areas, and specialized industries like steel production[3].
• Design: Robust design with safety-first principles, high performance, and humanized design features such as anti-corrosion elements[3].

Types

• Full Gantry Crane: Suitable for comprehensive lifting tasks.
• Semi Gantry Crane: Ideal for applications where space is limited on one side.
• Truss Gantry Crane: Lightweight and suitable for outdoor use with increased wind resistance[3].

Technical Specifications

Lifting Mechanisms

• Wire Rope Hoist: Commonly used in both single and double girder cranes for efficient lifting[2][3].
• Electric Chain Hoist: An alternative lifting mechanism, especially suitable for lighter loads[2].

Control and Operation

• Control Methods: Ground handle control, wireless remote control, and cabinet control are available options[2].
• Speed: Single speed and variable speed options are available, with speeds ranging from 1/10 m/min to 8 m/min[2].

Safety Features

• Safety Anti-Hook: Ensures the safety and reliability of the crane’s operation[4].
• Emergency Stops and Alarms: Integrated safety features to prevent accidents and ensure operator safety[2].

Customization and Assessment

Client-Specific Solutions

Kinocranes specializes in designing and constructing gantry cranes that meet specific client needs. This process involves a comprehensive evaluation of the client’s application, lifting requirements, and facility constraints[2].

Factors for Selection

When choosing a gantry crane, consider factors such as:
– Lifting Capacity: The maximum weight the crane needs to lift.
– Span: The distance between the crane’s legs.
– Facility Dimensions: The space available for the crane’s operation.
– Materials Handled: The type and size of the cargo.
– Indoor/Outdoor Use: The environment in which the crane will operate.
– Budget: The financial constraints of the project[2].

Safety and Maintenance

Safety Priorities

Safety is a top priority for Kinocranes. Their gantry cranes adhere to industry standards and regulations, ensuring operational safety and reducing accident risks[2].

Maintenance Programs

Kinocranes offers training, maintenance programs, and regular inspections to ensure the crane operates safely and efficiently throughout its lifetime[2].

Applications and Industries

Industrial Use Cases

Gantry cranes from Kinocranes are used in various industries, including:
– Metallurgy: Robust cranes designed for the steel industry with safety-first principles[3].
– General Manufacturing: Suitable for factories and workshops.
– Paper Making: Customized solutions for the paper industry.
– Waste Recycling: Specialized cranes for waste handling, such as those used by energy producers[5].

Conclusion

Kinocranes’ gantry cranes offer a range of solutions tailored to different industrial needs, from light to heavy-duty applications. With a focus on safety, customization, and efficient operation, these cranes are essential for optimizing lifting processes in various settings. By understanding the types, features, and applications of these cranes, users can make informed decisions to enhance their operational efficiency and safety.

Single Girder Semi Gantry Crane

Since the provided URL does not lead to a accessible webpage, I will create a comprehensive guide based on the general information about single girder and semi-gantry cranes from the available sources.

Guide to Single Girder and Semi-Gantry Cranes

Introduction

Gantry cranes are versatile and widely used in various industries for lifting and moving heavy loads. Among the different types of gantry cranes, single girder and semi-gantry cranes are particularly popular due to their efficiency, cost-effectiveness, and adaptability.

Single Girder Gantry Crane

Definition and Components

• A single girder gantry crane features one bridge beam with a hoist trolley that operates along the lower portion of the crane.
• Key components include the main beam, support legs, cross beam, crane drive, controls, and hoist[2][3][4].

Types of Single Girder Gantry Cranes

Box Type Single Girder Gantry Crane

• Characterized by a box-shaped structure, this type is known for its simplicity in fabrication, high safety, and reliability. It is suitable for batch production and has good fabrication technology[5].

Truss Type Single Girder Gantry Crane

• This type features a truss structure made from angle steel or I-beam through a welding process. It is lighter, has good wind resistance, but may require frequent testing of solder joints due to its structure[5].

Applications and Capacities

• Single girder gantry cranes are typically suitable for capacities of 32 tons or less and spans of less than 35 meters.
• They are commonly used in factories, mines, freight yards, and warehouses for general handling of small to medium lifting loads[2][3][4].

Configurations

• Can be configured as either semi-gantry or full gantry cranes.
• Can be adapted to fit different working conditions, including indoor and outdoor operations[2][3].

Semi-Gantry Crane

Definition and Components

• A semi-gantry crane is a variation of the gantry crane that uses one leg and one end of the girder supported by a building or other structure.
• It includes the gantry frame (girder, leg, ground cross beam, etc.), hoisting mechanism, travelling mechanism, and electric control part[4].

Types of Semi-Gantry Cranes

Box Type Semi-Gantry Crane

• Similar to the box type single girder gantry crane, this type is known for its simple structure, easy installation, and maintenance. It is widely used for handling various pieces and bulk materials[4].

Truss Type Semi-Gantry Crane

• Features a truss structure, which is light, has strong wind resistance, but may have lower security and stability compared to box-type structures[4].

Applications and Capacities

• Semi-gantry cranes can handle lifting weights of less than 100 tons and spans of 4 to 39 meters.
• They are versatile and can be used in various settings such as warehouses, freight yards, and construction sites[4].

Advantages

• Offers a cost-effective solution for locations where the building structure cannot support an overhead crane.
• Provides efficient use of space, as one end of the girder is supported by a building or other structure[2][4].

Specialized Designs

L-Shaped Gantry Crane

• A special type of single girder gantry crane with L-shaped legs.
• Designed to handle long pieces efficiently, commonly used in warehouses, freight yards, and railroad terminals.
• Load capacity ranges from five to fifty tons, with low dead weight and minimal wheel pressure[2][4].

U-Shaped Gantry Crane

• A type of double girder gantry crane but can be relevant in discussions of single girder adaptations.
• Features support legs shaped like a “U,” providing additional clearance between the legs and the girders.
• Suitable for lifting heavy loads, with the ability to extend girders on one or both sides to form cantilevers[2][4].

Conclusion

Single girder and semi-gantry cranes are essential tools in various industrial settings due to their flexibility, cost-effectiveness, and efficiency. Understanding the different types, components, and applications of these cranes can help in selecting the right equipment for specific lifting needs. Whether it is for small-scale operations or more demanding tasks, these cranes offer reliable and adaptable solutions.

16/5t Load Semi-Gantry Crane

Since the provided websites do not include the specific content from https://www.eurocranegroup.com/semi-gantry-crane/56623936.html, the following guide is compiled based on the general information about semi-gantry cranes from the other sources.

What is a Semi Gantry Crane?

A semi gantry crane is a hybrid of an overhead crane and a gantry crane. It is designed with one end of the main girder supported by a freestanding gantry leg, while the other end travels along a runway beam supported by facility walls or other structural elements.

Key Components

• Bridge: The main structure that spans the area where the crane operates.
• Crane Running Mechanism: Allows the crane to move along the runway.
• Trolley Running Mechanism: Enables the trolley to move along the bridge.
• Hoisting Mechanism: Responsible for lifting and lowering the load.

Applications

Semi gantry cranes are versatile and can be used in various settings, including:
– Indoor and Outdoor Applications: Suitable for workshops, warehouses, material yards, and outdoor areas such as steel stockyards and construction sites.
– Limited Space: Ideal for areas with confined spaces or where existing overhead cranes are present, as they can be installed beneath these cranes without interfering with their operation[1][2][4].

Types of Semi Gantry Cranes

Single Girder Semi Gantry Crane

• Load Capacity: Typically ranges from 1 to 20 tons.
• Span: Can be up to 30 meters.
• Lifting Height: Up to 18 meters.
• Lifting Speed: 0.33-8 m/min.
• Trolley and Crane Running Speed: Up to 20 m/min.
• Features: Economical, light in design, and can be equipped with European style low headroom hoists. Often used in mechanical processing workshops and warehouses[1][2][4].

Double Girder Semi Gantry Crane

• Load Capacity: Can range from 5 to 32 tons or even up to 70 tons in some designs.
• Span: Up to 30-35 meters.
• Lifting Height: Up to 12-15 meters.
• Lifting Speed: 0.66-11.5 m/min.
• Trolley and Crane Running Speed: Up to 40.1 m/min.
• Features: Higher working speed, compact structure, lightweight, and easy to maintain. Used in steel stockyards, mines, concrete industry, and other heavy-duty applications[1][3][5].

Technical Parameters and Features

General Technical Parameters

• Load Capacity: 1-70 tons depending on the design.
• Span: Up to 35 meters.
• Lifting Height: Up to 18 meters.
• Lifting Speed: Varies from 0.33 to 11.5 m/min.
• Trolley and Crane Running Speed: Up to 50 m/min in some models.
• Work Duty: Classified under A3, A4, A5, or A6 depending on the usage and design[1][2][4].

Additional Features

• Control Systems: Can be operated via pendant pushbutton control or remote control.
• Variable Speed Control: Available through VVF Drive.
• Safety Features: Include weight overload protection, lifting height limiter, emergency stop function, and phase sequence protection[2][4][5].

Installation and Maintenance

• Installation: Quick and easy, with the option to install beneath existing overhead cranes. Does not usually require concrete foundations or a full runway structure[1][2][5].
• Maintenance: Designed for steady performance and easy maintenance. Features like soft starters and waterproof designs enhance durability[5].

Benefits

• Space Efficiency: Ideal for areas with limited space as they can be configured to fit specific workshop dimensions.
• Cost-Effective: Lower investment costs compared to full gantry cranes.
• Flexibility: Can be adapted to various industrial sectors, including manufacturing, metallurgy, and construction.
• Enhanced Productivity: Increases work efficiency by allowing simultaneous operation with overhead cranes without interference[1][2][4].

Certifications and Standards

• Compliance: Semi gantry cranes are designed to meet national and international standards such as FEM and ISO standards, ensuring safety and reliability[3].

By understanding these aspects, users can make informed decisions when selecting and implementing semi gantry cranes for their specific needs.

Semi Gantry Cranes from China Manufacturer

Guide to Semi Gantry Cranes

Overview of Semi Gantry Cranes

Semi gantry cranes are a specialized type of crane that combines the design elements of both overhead bridge cranes and motorized gantry cranes. This hybrid design makes them highly versatile and suitable for various industrial and construction environments.

Key Components and Design

• End Beams: A semi gantry crane has two sets of end beams. One end beam runs on a rail on the ground, while the other end beam runs on a rail mounted on the building or an elevated runway[2][4].
• Support Structure: One side of the crane’s bridge is supported by an elevated runway, similar to an overhead bridge crane. The other side is supported by the leg of the semi gantry, which has its endtruck on the floor, running along wheels or a track[1][4].

Load Capacity and Span

• Load Capacity: Semi gantry cranes are available in a range of load capacities, typically from 1 ton to 32 tons. Smaller capacities (1 ton, 2 ton, 3 ton) often use electric chain hoists, while larger capacities use electric wire rope hoists[1][2].
• Span: The span of semi gantry cranes can vary widely, from 3 meters to 30 meters or more, depending on the specific application and site requirements[2][3].

Lifting Height and Hoist Units

• Lifting Height: The lifting height of semi gantry cranes can range from 3 meters to 18 meters or more, customizable to fit the needs of different workplaces[2][3].
• Hoist Units: The hoist units can be either electric chain hoists for smaller loads or electric wire rope hoists for heavier loads[1].

Power and Control Systems

• Power Source: The power source for semi gantry cranes can be customized based on the local power supply, including various voltages and frequencies[2][3].
• Control Systems: Semi gantry cranes can be controlled using wired pendant controls or optional crane radio remote control systems[1][4].

Applications and Use Cases

• Indoor and Outdoor Use: Semi gantry cranes are suitable for both indoor and outdoor applications, including fabrication workshops, warehouses, assembly factories, storage areas, and other modern production facilities[2][4].
• Special Conditions: They are particularly useful in situations where a full gantry or overhead crane cannot be installed due to site constraints, such as the absence of a complete runway or building support[2][4].

Advantages of Semi Gantry Cranes

• Cost Savings: Semi gantry cranes save on runway costs and can fit under larger overhead bridge cranes without obstructing the workspace[1][4].
• Flexibility: They are great for use along the walls of long, clear-span buildings and can be easily moved to access machinery and materials in the work area[1][4].
• Portability: Semi gantry cranes are portable, allowing them to be relocated to a new site without causing damage to the current or proposed housing location[4].

Safety Protection and Features

• Overload Limiter: Prevents the crane from lifting loads beyond its capacity[2].
• Travel Limit Switch: Ensures the crane does not travel beyond its designated area[2].
• Loss of Voltage Protection: Protects the crane from voltage fluctuations and phase protection issues[2].
• Emergency Parking System: Allows for safe parking of the crane in emergency situations[2].
• Lifting Height Limiter: Prevents the crane from lifting beyond its safe height limit[2].

Custom Installation Options

• Crane Controls: Various control options, including crane controls suitable for severe environments or hazardous areas[1].
• Multi-Speed AC Inverter Drives: For precise speed control[1].
• Motor Brake and Air-Driven Power Drive Kits: Additional features for enhanced performance and safety[1].
• Electrification Systems: Cable reels, festooning systems, and other electrification solutions[1].
• Warning Lights and Audible Alarms: For enhanced safety and alert systems[1].

Installation and Maintenance

• Pre-Engineered Kits: Simplify the installation process, with electrical connections pre-wired and ready to connect[4].
• Professional Installation: Optional installation services by trained technicians to ensure safe and economical setup[4].

By understanding these aspects, users can make informed decisions about the suitability and benefits of semi gantry cranes for their specific material handling needs.

18t Load Semi-Gantry Crane

Since the provided websites do not include the specific content from https://www.eurocranegroup.com/semi-gantry-crane/56577876.html, I will create a comprehensive guide based on the general information available from the other sources.

What is a Semi Gantry Crane?

Definition and Composition

A semi gantry crane is a hybrid of an overhead crane and a gantry crane. It consists of a bridge, crane running mechanism, trolley running mechanism, and hoisting mechanism. This design allows it to be adapted for both indoor and outdoor applications.

Key Components

• Bridge: The main beam that spans the area where the crane operates.
• Crane Running Mechanism: The system that allows the crane to move along its length.
• Trolley Running Mechanism: The system that allows the trolley (which carries the hoist) to move along the bridge.
• Hoisting Mechanism: The system responsible for lifting and lowering loads.

Features and Benefits

Versatility

• Semi gantry cranes can be installed below pre-existing large overhead cranes, enhancing shop floor efficiency without obstructing the overhead lifting process[1][3][5].

Design Options

• Available in both single girder and double girder designs, depending on the lifting requirements[1][2][5].

Technical Specifications

Load Capacity

• Ranges from 1 ton to 70 tons, depending on the model and manufacturer[2][5].

Span

• Can span up to 35 meters, allowing for optimal use of floor space[2][3][5].

Lifting Height

• Maximum lifting height can be up to 18 meters, with some models offering customizable heights[1][3][5].

Speeds

• Lifting speeds range from 0.33 to 11.5 meters per minute.
• Trolley and crane running speeds can be up to 40 meters per minute[1][3][4].

Operational Benefits

• Low Investment Costs: Semi gantry cranes offer a cost-effective solution compared to full gantry or overhead cranes[1].
• Low Structural Load: Designed to minimize the load on the structure, making them suitable for various environments[1].
• No Headroom Constraints: Ideal for outdoor work where headroom is not a limitation[2].
• Customizable: Can be customized to fit specific workshop dimensions and application requirements[3][5].

Installation and Application

Installation Flexibility

• Can be installed in scenarios where one end of the crane has support in the shed and the other end needs self-support through its own legs[2].

Indoor and Outdoor Use

• Suitable for both indoor and outdoor applications, including general-purpose workshops, outdoor steelyards, and various industrial settings[1][3][5].

Industry Applications

• Commonly used in manufacturing, metallurgy, and other industrial fields where efficient material handling is crucial[1][3].

Control and Safety Features

Control Options

• Can be controlled from the ground through pendant or radio remote control systems[3].

Safety Enhancers

• Equipped with intelligent features and safety enhancers such as anti-tipping mechanisms to prevent accidents and ensure stable operation[3][5].

Certifications and Standards

Compliance

• Semi gantry cranes are compliant with national and international standards such as FEM and ISO standards[2].

Maintenance and Support

Service and Spare Parts

• Manufacturers often provide comprehensive service support, including 24/7 customer service and readily available spare parts[2].

Conclusion

Semi gantry cranes offer a versatile, cost-effective, and efficient solution for material handling needs in various industrial settings. Their ability to adapt to different environments, customizable designs, and advanced safety features make them a valuable asset for enhancing operational efficiency.

Semi Gantry Crane Manufacturer In China

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

What is a Semi Gantry Crane?

A semi gantry crane is a hybrid crane that combines the design elements of both overhead bridge cranes and gantry cranes. This unique design allows for the crane to be supported on one end by an elevated runway, typically connected to the building structure, while the other end is supported by a leg or outrigger on the ground[1][3][4].

Components of a Semi Gantry Crane

• Bridge: The main horizontal beam that spans the area where the crane operates.
• Crane Running Mechanism: The system that allows the crane to move along its span.
• Trolley Running Mechanism: The system that enables the trolley to move along the bridge.
• Hoisting Mechanism: Typically includes an electric chain hoist or electric wire rope hoist, depending on the load capacity[2][3].

Standard Capacities and Configurations

Semi gantry cranes are available in various capacities, ranging from 1 ton to 70 tons.
– For smaller capacities (1 ton, 2 ton, 3 ton), electric chain hoists are commonly used.
– For larger capacities (5 ton, 7.5 ton, 10 ton, and up to 70 tons), electric wire rope hoists are used[1][4].

Spans and Heights

• Spans can range up to 35 meters, depending on the manufacturer and model.
• Lifting heights can vary up to 18 meters or more, with some models offering stool up designs to maximize the height of lift[2][4].

Control and Operation

Semi gantry cranes can be controlled using:
– Wired pendant control
– Remote control systems
Optional features include variable speed control through VVF drives and soft starters[1][5].

Advantages of Semi Gantry Cranes

Cost Savings

• Reduces the need for additional support structures at ground level, making it a less expensive solution compared to full gantry cranes[3][4].

Space Optimization

• Allows loads to be moved without obstructing floor space, making them ideal for facilities with limited space.
• Can be installed below pre-existing large overhead cranes without interfering with the overhead lifting process[1][3].

Flexibility and Maneuverability

• The single-leg design provides flexibility, especially in areas with limited or irregular floor space.
• Can traverse spaces with obstacles or uneven terrain[3][4].

Easy Installation

• Generally easier to install than full-gantry cranes due to the single-leg configuration[3][5].

Applications of Semi Gantry Cranes

Industrial Settings

• Used in warehouses for efficient material handling, including loading and unloading of goods.
• Common in machine shops, steel stockyards, mines, and the concrete industry[3][5].

Construction and Shipbuilding

• Utilized in construction sites for lifting and moving heavy materials in confined spaces.
• Employed in shipyards to lift and place ship components[3].

Other Industries

• Also used in factories, ports, and other areas where heavy loads need to be lifted and moved accurately[5].

Technical Parameters and Features

Speeds and Motions

• Long travel (LT) and cross travel (CT) speeds can range up to 20 m/min.
• Hoisting speeds vary depending on the model but can range from 0.33 to 8 m/min[2][4].

Safety Features

• Include crane traveling and trolley traveling limit switches, emergency stop functions, weight overload protection devices, and lifting height limiters[5].

Custom Installation Options

• Available with various control enclosures, multi-speed AC inverter drives, motor brakes, air-driven power drive kits, and different festooning systems.
• Optional features such as warning lights, audible alarms, and travel limit switches can be included[1].

Conclusion

Semi gantry cranes offer a versatile and cost-effective solution for material handling in various industries. Their hybrid design, combining elements of both gantry and overhead cranes, makes them ideal for spaces with limited floor area or irregular terrain. With their ease of installation, flexibility, and range of customizable features, semi gantry cranes are a practical choice for optimizing lifting operations and increasing productivity.

China Semi Gantry Crane Manufacturers Suppliers Factory

Guide to Semi Gantry Cranes

What is a Semi Gantry Crane?

A semi gantry crane is a hybrid of an overhead crane and a gantry crane, designed to offer flexibility and efficiency in various industrial settings. It consists of a bridge, crane running mechanism, trolley running mechanism, and hoisting mechanism.

Types of Semi Gantry Cranes

Single Girder Semi Gantry Crane

• Design and Structure: Single girder semi gantry cranes have a simple structure with one main beam spanning the gap between the ground track and the gantry beam. They are lightweight, easy to operate, and cost-effective[1][2][3].
• Lifting Capacity: Typically handles medium to heavy lifting capacities, ranging from 3-20 tonnes[1][2][3].
• Applications: Ideal for lighter loads and smaller work spaces, often used in workshops, warehouses, and outdoor settings[1][2][3].

Double Girder Semi Gantry Crane

• Design and Structure: Double girder semi gantry cranes feature two main beams, offering greater lifting heights and the ability to handle heavier loads compared to single-girder options[1][2][3].
• Lifting Capacity: Can handle larger loads, with capacities ranging from 5-32 tonnes[2][3].
• Applications: Suitable for handling larger loads, and can be customized with additional features such as lights, warning devices, and anti-collision systems[1][2][3].

Key Features and Specifications

General Features

• Simple Structure: Easy installation and maintenance due to their simple and compact design[2][3].
• Lifting Mechanism: Can be equipped with hoists, trolleys, or winches depending on the application[2][3].
• Control Methods: Can be controlled via pendant, remote, or cabin control[2][3].
• Working Conditions: Can operate in a wide temperature range, typically from -20 ℃ to 40 ℃[2][4].

Technical Parameters

• Lifting Capacity: Ranges from 3-50 tonnes depending on the type and configuration[2][3].
• Span: Can vary from 3-35 meters, with some models allowing for customized spans[2][3].
• Lifting Height: Typically ranges from 3-30 meters, with options for customization[2][3].
• Speeds: Lifting speeds, trolley speeds, and crane speeds vary but are generally adjustable[2][3].

Applications of Semi Gantry Cranes

Manufacturing

• Semi gantry cranes are used in manufacturing to lift and transport large machinery and equipment. They are versatile and can handle tasks from material handling to maintenance and assembly line production[1][3].

Warehousing

• These cranes are ideal for warehouses, especially for loading and unloading goods. They can operate in confined spaces and handle heavy loads efficiently[1].

Machine Shops

• In machine shops, semi gantry cranes are used to move heavy materials and machinery, load and unload raw materials, and perform various tasks within tight workshop spaces[1].

Installation and Maintenance

Installation

• Semi gantry cranes have a simple structure, making them easy to install. The leg height can be adjusted according to the site construction requirements[2][5].

Maintenance

• The standardization and serialization of components make maintenance and repair easier. Regular inspections and testing by professional engineers ensure the crane’s reliability and safety[3][4].

Selection Tips

Load Capacity and Span

• For loads up to 50 tonnes and spans within 35 meters, single-girder semi gantry cranes are often sufficient. For heavier loads and wider leg clearance, double-girder cranes are more suitable[5].

Working Conditions

• Consider the working environment and the frequency of use. For busy or frequently full-load working conditions, higher work duty classifications (A5-A6) are recommended[4].

Safety and Reliability

Structural Integrity

• Semi gantry cranes, especially those with box-shaped double beam structures, offer high safety and stiffness. They are designed to withstand various loads and working conditions[4][5].

Safety Features

• Additional safety features such as anti-collision systems, warning devices, and optimized main beam designs ensure safe and reliable operation[1][2][3].

By understanding the types, features, and applications of semi gantry cranes, users can make informed decisions to enhance their operational efficiency and safety in various industrial settings.

China Semi-Gantry Crane Manufacturers

Given that the specific website http://www.stonimage.com/semi-gantry-crane-p.html is not accessible, the following guide is compiled based on the general information available from similar sources on semi gantry cranes.

What is a Semi Gantry Crane?

A semi gantry crane is a hybrid crane that combines the features of both overhead cranes and gantry cranes. It consists of a bridge, crane running mechanism, trolley running mechanism, and hoisting mechanism.

Key Components

• Bridge: The main horizontal beam that spans the area where the crane operates.
• Crane Running Mechanism: Allows the crane to move along its length.
• Trolley Running Mechanism: Enables the trolley to move along the bridge.
• Hoisting Mechanism: Responsible for lifting and lowering loads.

Applications

Semi gantry cranes can be adapted for both indoor and outdoor applications. They are particularly useful in scenarios where one end of the crane has support in a shed or building, and the other end needs self-support through its own legs.

Design and Configuration

• Single Girder and Double Girder Designs: Available to meet different lifting requirements. Single girder designs are lighter and more cost-effective, while double girder designs offer higher load capacities and more stability[1][2][5].

Technical Parameters

General Specifications

• Load Capacity: Ranges from 1 ton to 70 tons, depending on the model and design[2][5].
• Span: Can be up to 35 meters, allowing for flexible use of floor space[2][5].
• Lifting Height: Typically up to 12-18 meters, with some models offering heights up to 15 meters[1][3][5].
• Lifting Speed: Varies from 0.33 to 11.5 meters per minute, depending on the model and configuration[1][4][5].
• Trolley and Crane Running Speeds: Usually up to 20-40 meters per minute[1][2][4].

Control and Operation

• Control Options: Can be controlled via pendant, radio remote control, or from an operator cabin[3][5].
• Power Supply: Often powered via cable reel or diesel generator[5].

Features and Benefits

Installation and Cost

• Quick and Easy Installation: Semi gantry cranes can be installed quickly, reducing downtime and increasing efficiency[1][5].
• Low Investment Costs: Generally more cost-effective compared to full gantry cranes, especially for smaller spans[1][5].

Flexibility and Efficiency

• Optimized Use of Floor Space: The ability to select the span optimizes the use of floor space, making it ideal for workshops and outdoor areas[2][5].
• No Constraint on Headroom: Suitable for outdoor work where headroom is not a constraint[2].

Safety and Reliability

• Intelligent Features and Safety Enhancers: Many models come equipped with advanced safety features and intelligent controls to ensure reliable operation[3][5].
• Anti-Tipping and Hydraulic Clamp: Some models include anti-tipping mechanisms and hydraulic clamps to prevent sliding and ensure stability[5].

Industry Applications

Semi gantry cranes are used in various industrial fields, including:
– Manufacturing: For general-purpose workshops and assembly lines.
– Metallurgy: For handling heavy loads in metal processing plants.
– Construction: For loading and unloading materials in construction sites.
– Warehouses: For efficient material handling and storage[1][3][5].

Certifications and Standards

Semi gantry cranes are designed and manufactured to meet national and international standards, such as FEM and ISO standards, ensuring compliance and reliability[2].

Customization and Support

• Customized Design: Many manufacturers offer customized designs to meet specific workshop dimensions and application requirements[1][3][5].
• Technical Support and Service: Manufacturers often provide comprehensive technical support, maintenance services, and spare parts availability[2][5].

By understanding these aspects, users can make informed decisions when selecting and implementing a semi gantry crane system for their specific needs.

Semi Gantry Crane

Guide to Semi Gantry Cranes

Introduction

Semi gantry cranes are a unique and versatile type of crane that combines the design elements of both gantry cranes and overhead cranes. This hybrid design offers several advantages, making them an ideal choice for various industrial applications where space is limited or where flexibility in material handling is crucial.

Design and Components

Hybrid Design

Semi gantry cranes integrate the features of both gantry and overhead cranes. One side of the crane is supported by an elevated runway system connected to the building structure, while the other side is supported by a leg that rests on the floor, often moving along wheels or a track[1][2][4].

Key Components

• Bridge: The main horizontal beam that spans the area where the crane operates.
• Crane Mechanism: Includes the hoist and trolley system that allows for vertical and horizontal movement of loads.
• Trolley: Moves along the bridge, carrying the hoist.
• Hoist: Can be either an electric chain hoist for smaller capacities or an electric wire rope hoist for larger capacities[1][4][5].

Types of Semi Gantry Cranes

Single Girder Semi Gantry Crane

• Characterized by a single horizontal beam or girder.
• Suitable for confined spaces and lighter load handling.
• Cost-effective and versatile, often used in light manufacturing and maintenance operations[5].

Double Girder Semi Gantry Crane

• Features two horizontal beams or girders.
• Provides enhanced stability and is capable of handling heavier loads.
• Commonly used in heavy manufacturing, construction, and shipping where precision and control are necessary[5].

Capacities and Configurations

Standard Capacities

Semi gantry cranes are available in various capacities, ranging from 1 ton to 15 ton. Smaller capacity cranes (1 ton, 2 ton, 3 ton) typically use electric chain hoists, while larger capacity cranes use electric wire rope hoists[1].

Span Options

Semi gantry cranes can be configured to fit different span requirements. Pre-engineered options are available to save on custom engineering costs, and custom solutions can be designed for larger or specialty applications[1].

Advantages and Benefits

Space Optimization

Semi gantry cranes are ideal for facilities with limited space. They allow loads to be moved without obstructing floor space, making them perfect for long, clear-span buildings or areas where floor space is at a premium[2][4].

Cost-Effectiveness

• Reduced Runway Costs: Since one side is supported by the building structure, there is less need for additional support structures at ground level, making them a less expensive solution compared to full gantry cranes[1][2].
• Long-term Durability and Low Maintenance: Built to withstand heavy use, these cranes require low maintenance, reducing the need for frequent replacements and translating to cost savings over their lifespan[5].

Flexibility and Adaptability

• Ease of Installation: Easier to install than full-gantry cranes due to their single-leg design.
• Navigating Obstacles: Can operate on uneven surfaces or navigate around obstacles, providing adaptability to various site conditions[2][4].
• Enhanced Maneuverability: Offers precision and control in material handling operations, making them versatile enough to handle a wide array of tasks[2][5].

Applications

Industrial Settings

Semi gantry cranes are widely used in various industries, including:
– Manufacturing: For efficient material handling and precision assembly.
– Construction: For lifting and moving heavy materials in confined spaces.
– Warehouses: For loading and unloading goods.
– Shipyards: For lifting and placing ship components[2][5].

Other Uses

• Outdoor Warehouses: Suitable for loading and unloading goods in outdoor settings such as railway freight stations and docks.
• Maintenance and Installation: Used for transporting materials and installing maintenance equipment within fixed spans in factories, power stations, and other areas[3][5].

Control and Safety Features

Control Options

Semi gantry cranes can be controlled using either a wired pendant control or an optional crane radio remote control system, offering flexibility in operation[1].

Safety and Additional Features

• Warning Lights and Audible Alarms: Can be equipped with warning lights, audible alarms, or travel limit switches to enhance safety.
• Control Enclosures: Available with control enclosures suitable for severe environments or hazardous areas.
• Multi-speed AC Inverter Drives: Can include multi-speed AC inverter drives for precise control.
• Motor Brake and Air-driven Power Drive Kits: Additional features such as motor brakes and air-driven power drive kits can be included for specific applications[1].

Installation and Customization

Custom Installation Options

Semi gantry cranes can be customized to fit specific needs, including:
– Crane Controls and Enclosures
– Festooning Systems
– Cable Reels and Electrification Systems
– Push-button Stations
– Top Running and Under Running End Trucks[1].

By understanding these aspects, users can make informed decisions about the use and installation of semi gantry cranes, ensuring they meet the specific requirements of their industrial operations.

Frequently Asked Questions (FAQs)

What is a Semi Gantry Crane and How Does it Work?

A semi gantry crane is a hybrid crane that combines the design elements of both overhead cranes and gantry cranes. It consists of a bridge or beam supported on one side by a building structure or wall, and on the other side by a supporting beam on wheels. This configuration allows the crane to operate efficiently in spaces where a full gantry crane might not fit, such as areas with obstacles on one side. The semi gantry crane includes components like the bridge, crane running mechanism, trolley running mechanism, and hoisting mechanism, enabling it to handle various lifting tasks in both indoor and outdoor settings.

What Are the Key Features and Benefits of Semi Gantry Cranes?

Semi gantry cranes offer several key features and benefits. They can be configured in single girder or double girder designs, depending on the lifting requirements, with load capacities ranging up to 20 tons and spans up to 30 meters. These cranes are known for their quick and easy installation, low investment costs, and low structural load, making them a cost-effective solution. Additionally, they can be customized to fit specific industrial needs, such as in manufacturing and metallurgy industries, and can be integrated with existing overhead crane systems to enhance work efficiency.

How Do I Choose the Right Semi Gantry Crane for My Application?

Choosing the right semi gantry crane involves several considerations. First, determine the load capacity and span required for your specific application. Single-girder semi gantry cranes are suitable for loads up to 20 tons, while double-girder cranes can handle heavier loads. You should also consider the lifting height, trolley and crane running speeds, and the work duty classification (e.g., A3, A4, A5) that matches your operational needs. Additionally, factors such as the material of the crane beam, the type of electric hoist, and the control mode (remote, pendent, or cabin control) need to be evaluated to ensure the crane meets your operational requirements and fits within the existing infrastructure of your facility.

What Are the Installation and Maintenance Requirements for Semi Gantry Cranes?

The installation of a semi gantry crane requires careful planning and execution. The crane can be installed without breaking the ground if the concrete floor is sufficiently strong (typically more than 20cm in width), by paving a steel plate and fixing it with bolts. Proper installation ensures the crane operates safely and efficiently. For maintenance, regular inspections and adherence to the manufacturer’s maintenance schedule are crucial. This includes checking the electrical components, lubricating moving parts, and ensuring all safety devices are functioning correctly. Timely maintenance helps extend the lifespan of the crane and minimizes downtime.

What Safety Considerations Should Be Taken into Account When Using Semi Gantry Cranes?

Safety is a paramount concern when operating semi gantry cranes. The crane should be equipped with various safety devices such as overload protection, anti-collision systems, and emergency stop mechanisms. Operators must undergo thorough training to understand the safe operation and maintenance of the crane. Additionally, regular inspections should be conducted to ensure all components, including the hoisting mechanism, trolley, and crane running mechanisms, are in good working condition. Compliance with local regulations and standards is also essential to prevent any legal issues and ensure the safety of operators and bystanders. Proper ventilation and insulation should be considered, especially in extreme temperature conditions, to maintain the crane’s performance and longevity.