Double-Girder Overhead Crane
A double-girder overhead crane is designed with two parallel girders, providing a robust structure ideal for lifting and transporting very heavy loads. Commonly used in heavy industries such as steel production, automotive manufacturing, and petrochemicals, these cranes offer high load capacity and stability. Installed indoors in spaces like factories, warehouses, and production halls, double-girder overhead cranes significantly boost productivity and safety by enabling precise and safe load handling in complex industrial environments.
What is a Double-Girder Overhead Crane?
The double-girder overhead crane is a type of industrial crane designed for lifting and transporting extremely heavy and bulky loads in workplaces such as workshops, factories, and large-scale industries. This crane features two main beams (girders) arranged parallel to each other on ceiling-mounted rails. Due to its robust structure, it can handle heavier loads and distribute weight more evenly compared to single-girder cranes. This makes the double-girder overhead crane an ideal choice for industries that require the continuous movement of heavy loads. At Taw, our expertise lies in providing high-quality overhead cranes.
Applications of Double-Girder Overhead Cranes
Double-girder overhead cranes are widely used in heavy industries and high-volume work environments due to their strength and high load-bearing capacity. Key applications include the handling of large components and equipment in steel production, automotive manufacturing, petrochemical industries, large assembly workshops, and construction projects. These cranes are particularly effective in lifting heavy machinery, bulky loads, and large components that require high precision. They help improve operational efficiency and speed in environments where precision and heavy lifting are essential.
Types of Double-Girder Overhead Cranes
Double-girder overhead cranes are designed in various types to meet the diverse needs of industries, offering high performance and adaptability:
1. Electric Double-Girder Overhead Crane: This crane is equipped with a powerful electric motor, enabling fast and easy movement of very heavy loads. Typically designed for high capacity and heavy industrial applications, it comes with advanced control systems for precise operation.
2. Suspended Double-Girder Overhead Crane: This model is designed to be suspended and is ideal for environments where direct rail installation on the ceiling is not possible. The suspended double-girder crane provides greater flexibility, allowing for load movement in narrow or confined spaces, making it a versatile choice for challenging environments.
Parts of a Double-Girder Overhead Crane
A double-girder overhead crane is composed of several essential components, each playing a critical role in its performance and structural integrity:
1. Main Girders (Beams): The two parallel beams serve as the central structure of the crane. Due to their stability and strength, these girders can handle heavy and bulky loads while evenly distributing the weight of the load.
2. Winch or Hoist: The winch or hoist is the part of the crane responsible for lifting and lowering the load. Using powerful motors, it moves the load up and down and allows for precise control of the load’s positioning.
3. Rails: Installed on the ceiling, the rails provide the track for the horizontal movement of the crane. Proper and secure installation of the rails is crucial to ensure smooth and trouble-free operation.
4. Hook: The hook is the point of attachment for the load. It must be durable and secure, often featuring automatic locking systems to prevent the load from accidentally detaching during transportation.
5. Control Systems: The double-girder overhead crane is equipped with advanced control systems that allow the operator to precisely control the movement of the load. These systems include both manual and remote control options for ease of operation.
Design of a Double-Girder Overhead Crane
The design of a double-girder overhead crane must be tailored to meet the operational and safety requirements of various industries. Key design considerations include load capacity, lifting height, span length, and environmental factors. Due to the high load capacity of these cranes, the design process requires careful planning and the use of advanced engineering software to ensure the crane’s stability and safety. Additionally, all components and connections should be made from durable, high-quality materials to ensure longevity and reliability in heavy-duty and continuous operations.
Installation of a Double-Girder Overhead Crane
The installation of a double-girder overhead crane requires specialized expertise and strict adherence to safety standards. This task should be carried out by experienced technical teams to ensure the crane operates correctly and safely. After installation, initial inspections and necessary adjustments to the control and safety systems are performed to ensure the crane is fully operational and ready for use.
Double Grider overhead Crane specifications
1. Load Capacity: Ranges from 1 ton to 20 tons, depending on the model and industry application.
2. Span Length: Commonly between 5 to 30 meters, designed to fit the specific dimensions of the work area.
3. Lifting Height: Generally varies from 6 to 20 meters, customizable based on operational needs.
4. Lifting Speed: Ranges from 0.8 to 8 meters per minute, with variable speed options for precise control.
5. Travel Speed: Typically 2 to 20 meters per minute, with smooth motion control systems.
6. Power Supply: Often 380V/50Hz/3-phase, though can be customized for different power requirements.
7. Control System: Can include remote, pendant, or cabin controls, allowing flexibility and safety for operators.
8. Working Class/Duty Cycle: Typically classified as A3 to A5, indicating moderate to heavy usage.
9. Main Components: Includes a single main girder, electric hoist, motorized trolley, rails, hook, and electrical control system.
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