Electromagnetic Bridge Crane

Electromagnetic bridge cranes are ideal for industries where large, heavy metal components are frequently moved and need to be handled quickly and efficiently.

 

 

Weight (KG):32000 kg

Max. Lifting Load:32 ton

Span:10.5~31.5m

Product Name:popular selling electric lift magnet 32 ton bridge overhead crane

Control method:Cabin Control

Power Source:3 Phase 380V 50hz

Lifting speed:1-15m/min

Lifting mechanism:Electric Trolley

Color:Optional

Trolley running speed:5-40m/min

Crane running speed:5-100m/min

 

 

Double Beam (Girder): A Double Beam Electromagnetic Bridge Crane is a type of overhead crane that is designed for lifting and transporting heavy ferromagnetic materials, such as steel plates, beams, or scrap metal. The key feature of this crane is the use of electromagnets to lift these materials, instead of traditional hooks or slings.

End beam: An end beam in an electromagnetic bridge crane refers to the horizontal structural component at the end of the crane's bridge that supports the electromagnetic lifting mechanism. The crane's main structure, the bridge, typically spans the width of a workspace, such as a warehouse or factory, while the end beams are situated at either side of the bridge, providing the necessary support and anchorage for the crane's movement.

 

Hoist: A hoist of an electromagnetic bridge crane refers to a lifting mechanism integrated with an electromagnetic system. This system is typically used in industrial environments where heavy, ferromagnetic materials need to be lifted and moved.

Trolley: A trolley of an electromagnetic bridge crane is a component that moves along the bridge beam of the crane, carrying an electromagnet that is used to lift and transport metal objects, typically steel or other ferrous materials. The trolley travels along the bridge crane's track system and can position the electromagnet precisely over the material to be lifted. Once the electromagnet is activated, it generates a magnetic field strong enough to hold the metal object in place while the crane moves it.

Magnet: An electromagnetic bridge crane typically uses an electromagnet as its lifting mechanism. This electromagnet is powered by an electric current that generates a magnetic field strong enough to lift and move heavy ferrous materials, such as steel plates, beams, or scrap metal.

Control system: Manual Control: The operator directly controls the crane's movements using the control panel. This is common for routine tasks where the operator can observe and adjust in real-time.
Automatic Control: In more advanced systems, the crane can operate automatically based on preset parameters and conditions. The PLC can control the movement and electromagnet activation, depending on input from sensors (e.g., load sensors or position sensors).

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Efficient Handling of Magnetic Materials: Electromagnetic bridge cranes are ideal for lifting and transporting ferrous materials like steel plates, scrap, and coils, thanks to their electromagnetic lifting mechanism.

Increased Productivity: These cranes can quickly and easily pick up multiple pieces of metal at once, reducing the time needed for manual loading or unloading.

Precision and Control: Electromagnetic cranes offer precise control over the movement of ferrous materials, which is especially useful for industries like steel production and scrap yards.

Safety: The ability to lift materials using electromagnetic force reduces the need for workers to handle heavy, sharp, or dangerous objects, improving workplace safety.

Reduced Wear and Tear on Material: Unlike mechanical grabs or hooks, which can damage materials, electromagnetic cranes lift items without direct contact, minimizing damage and wear on the material.

Low Maintenance: The design of electromagnetic bridge cranes requires less maintenance compared to mechanical lifting systems. There's no need for hooks, chains, or slings, which can wear out over time.

Flexibility: These cranes can handle a wide variety of ferrous materials of different shapes and sizes without needing to adjust the lifting mechanism.

Cost-Effective: Over time, electromagnetic cranes can reduce costs associated with material handling by increasing efficiency, reducing labor, and minimizing material damage.

 

 

 

Steel Industry:

Steel mills use electromagnetic bridge cranes to handle steel ingots, billets, slabs, and coils. The electromagnet enables the crane to lift these heavy, hot, and large items without the need for additional slings or hooks.
Scrap Metal Handling:

Recycling plants use electromagnetic cranes to gather and move scrap metal. These cranes can pick up large volumes of scrap iron, steel, and other ferrous materials quickly and with precision.
Shipyards:

In shipbuilding, electromagnetic cranes help move large metal sheets and structural parts during construction or repairs. They provide a safer and more efficient way to transport ferrous materials.
Manufacturing and Fabrication:

Factories involved in the manufacturing of metal components or parts often use electromagnetic cranes to transport metal sheets, plates, or other raw materials throughout the facility.
Foundries:

In foundries, where molten metals are handled, electromagnetic cranes help in moving molds, castings, and raw metal materials.
Construction Sites:

Construction projects that require lifting steel girders or beams can benefit from electromagnetic bridge cranes. These cranes ensure that the materials are lifted securely and efficiently, even in rough or difficult conditions.
Warehouses and Distribution Centers:

Some warehouses specializing in metal products use electromagnetic cranes to organize and manage stock. These cranes help with moving bulk materials that are too heavy or unwieldy to be handled manually.

 

1. Design and Planning
Engineering Design: Engineers design the electromagnetic bridge crane based on customer specifications, load capacity, span, lifting height, and operational environment.
Component Selection: Selection of materials and components, including the crane structure, hoist, motor, and electromagnetic equipment.
Electromagnetic System Design: This includes designing the electromagnetic lifting system, ensuring it is powerful enough to hold the materials and can be controlled precisely.
2. Procurement of Materials
Structural Components: Steel plates, beams, and other materials for the frame, bridge, and trolley.
Electromagnetic Parts: Electro magnets, coils, controllers, and other electronic components.
Motors and Drives: Motors for the hoist, trolley, and bridge movements, and the associated drive systems.
3. Fabrication of the Crane Structure
Cutting and Welding: Steel plates and sections are cut, welded, and assembled to form the crane's bridge, trolley, and hoisting structures.
Surface Treatment: The structure may undergo painting or coating for corrosion resistance, particularly for cranes used in harsh environments.
4. Assembly of the Electromagnetic Lifting System
Magnetic Coil Manufacturing: The coils for the electromagnet are wound and tested for electrical performance.
Magnet Assembly: The magnetic cores and coils are assembled to form the electromagnetic lifting units.
Magnetic Control System: The electromagnetic system must be integrated with a control system, including power electronics for controlling the strength of the magnet.
5. Installation of the Hoisting Mechanism
Hoist and Gearbox: Installation of the hoisting mechanism, including motors, gearboxes, and wire ropes or chains.
Load Testing: The hoist is tested to ensure it can lift the rated load capacity and operates smoothly.
6. Electronics and Control System
Control Panel Wiring: The control system, including a remote control or pendant station, is wired into the crane.
Integration of Electromagnet Control: The electromagnetic lifting system is integrated into the control panel to allow for precise on/off control and magnet strength adjustment.
Safety Systems: Installation of limit switches, emergency stop buttons, and overload protection to ensure safe operation.
7. Assembly of the Crane on the Track
Bridge Assembly: The crane bridge, which spans the length of the rail or track, is assembled and tested.
Trolley and Electromagnet Mounting: The trolley carrying the electromagnet is mounted on the bridge and connected to the hoisting mechanism.
Rail Testing: The crane is tested on the track for smooth movement, stability, and alignment.
8. Testing and Calibration
Operational Testing: The crane is fully tested under load, including the electromagnetic lifting system, hoist, and movement along the rails. This is done to ensure that everything operates as expected.
Load Testing: The crane undergoes load testing, which involves lifting and lowering a test load to check the performance and safety.
Control System Calibration: The electromagnetic control system is calibrated to ensure the magnet is working at the correct power levels.
9. Final Inspection and Quality Control
Safety Inspection: Detailed inspection for safety compliance, including brakes, limit switches, electrical systems, and load safety.
Final Adjustments: Any issues discovered during testing are addressed, and adjustments are made to ensure optimal performance.
10. Delivery and Installation at Site
Transporting the Crane: The crane is disassembled if necessary and transported to the installation site.
On-Site Assembly: The crane is assembled at the site, with final connection to power and control systems.
Final Testing on Site: A final round of testing is done at the installation site, ensuring the crane operates efficiently in its intended working environment.
11. Training and Handover
Operator Training: Operators are trained to safely and efficiently use the crane, with a focus on handling the electromagnetic lifting system.
Handover to Customer: Once everything is complete, the crane is handed over to the customer with all relevant documentation and warranties.

 

 

 

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