Auxiliary Hook Electromagnetic Bridge Crane

1. Bridge Crane Structure

Bridge/Beam: The crane has a large horizontal beam (the bridge) that spans the width of the workspace and moves along tracks.

Trolley System: The trolley runs along the bridge, carrying the lifting mechanism, which can move forward and backward along the beam.

Hoist System: The hoist is the lifting mechanism that raises and lowers the load, usually driven by electric motors.

2. Auxiliary Hook

The auxiliary hook is a secondary lifting hook used for lighter or more precise lifting tasks. It complements the main lifting mechanism (which may be an electromagnetic system or another primary hook).

This hook provides flexibility, allowing the crane to handle a wide range of materials and perform detailed tasks that require more precision than the primary hook or electromagnet.

3. Electromagnetic System

Electromagnet: A large electromagnetic plate or block is used for lifting ferrous (magnetic) materials like steel plates, beams, pipes, or scrap metal.

Electromagnetic Control: The operator can control the strength of the magnet to engage or release the materials, allowing for quick and efficient handling.

Power Supply: The electromagnet is powered by electricity, which creates a magnetic field strong enough to lift heavy loads. When the power is cut off, the magnet releases the load.

4. Applications

Metalworking and Steel Mills: Used for moving steel plates, beams, coils, or scrap metal.

Scrap Yards: Efficient for loading and unloading bulk materials.

Shipping Yards and Warehouses: Handling of metal containers, pipes, and other heavy metal products.

5. Safety Features

Electromagnetic systems are often equipped with a battery backup to prevent accidental release of materials in the event of a power failure.

Sensors and limit switches are used to ensure safe operation, preventing overload and accidental drops.

 

 

1. Bridge

The bridge is the main horizontal structure that spans the working area. It is mounted on end trucks that run along rails fixed to the building's ceiling or structure.

End Trucks: These are the wheeled components at either end of the bridge, allowing it to move horizontally along the rails.

Rails/Runways: Tracks along which the crane bridge moves, installed on either side of the workspace.

 

2. Trolley

The trolley moves horizontally along the bridge. It carries both the hoist system (for the auxiliary hook) and the electromagnet.

Trolley Frame: A platform that supports the hoist and electromagnetic system.

Trolley Motors: Electric motors drive the trolley's horizontal movement along the bridge.

 

3. Hoist

The hoist is responsible for the vertical lifting and lowering of loads. The auxiliary hook and the electromagnet are attached to this system.

Auxiliary Hook: A secondary, lighter-duty hook designed for more precise handling tasks or lifting lighter loads. It can be used for non-magnetic materials or smaller objects.

Wire Rope/Chain: This connects the hook or magnet to the hoist mechanism, enabling the vertical movement of loads.

Hoist Motor: Powers the hoist system, allowing it to lift or lower the auxiliary hook or electromagnet.

 

4. Electromagnetic Lifting System

Electromagnet: A large electromagnetic plate or coil that can be energized to lift ferrous (magnetic) materials like steel beams, plates, or scrap metal.

Magnet Control System: Allows the operator to control the activation (magnet on/off) and intensity of the electromagnet.

Power Supply for Magnet: The electromagnet requires electrical power to generate the magnetic field necessary to lift metal objects. In some cases, battery backups are installed for safety in case of a power failure.

Magnet Suspension Gear: Mechanisms like chains or spreader bars are used to suspend the electromagnet and ensure stability during lifting operations.

4. End Carriages

1) An electromagnetic overhead crane is a type of crane that uses an electromagnet to pick up and move heavy loads. End carriages are the parts of the crane that support the bridge and allow it to move along the rails. End carriages also typically support the hoist and trolley assembly, allowing the crane to move the load from side to side and up and down.

2) Electromagnetic overhead crane end carriages are specifically designed to work with electromagnetic cranes. They are typically made of heavy-duty steel and are designed to withstand the weight and stress of moving heavy loads. The end carriages are often equipped with wheels that allow the crane to move along the rails smoothly and easily.

3) One of the main benefits of electromagnetic overhead crane end carriages is their ability to work with a variety of different loads. Because the electromagnet can be turned on and off, the crane can pick up and move loads of different sizes and shapes. This makes the crane highly versatile and useful in a variety of different industries.

4) Overall, electromagnetic overhead crane end carriages are an essential component of any electromagnetic crane. They provide the necessary support and mobility for the crane to move heavy loads efficiently and safely.

 

5. Crane traveling mechanism

The electromagnetic overhead crane traveling mechanism is an important component of an electromagnetic overhead crane. It is responsible for moving the crane along the tracks that are located on the ceiling of the building. The traveling mechanism needs to be strong and durable, as it must support the weight of the crane as well as the loads that it carries.

 

The traveling mechanism consists of several main components:

1. Bridge Structure: The bridge structure is the main body of the crane that spans the width of the building. It is composed of two end trucks and one or more bridge girders that connect them. The end-trucks house the wheels that run along the tracks and support the bridge structure.

2. Wheels and Axles: The wheels and axles are an important part of the traveling mechanism. The wheels are mounted on axles that are supported by the end trucks. The wheels run along the tracks on the ceiling of the building and enable the crane to move forwards and backwards, as well as side to side.

3. Motor: The motor is the driving force behind the traveling mechanism. It provides the power that moves the crane along the tracks. The motor is typically located on one of the end trucks and is connected to the wheels through a transmission system.

4. Brakes: The brakes are an important safety feature of the traveling mechanism. They are designed to stop the crane in an emergency or when power to the motor is cut. The brakes are typically located on both end trucks and are connected to the wheels through a braking system.

5. Control System: The control system is the brain of the traveling mechanism. It is responsible for controlling the motor, brakes, and other components of the crane. The control system can be operated manually or automatically, depending on the requirements of the job.

 

Overall, the electromagnetic overhead crane traveling mechanism is a vital component of the crane. It must be designed and built to withstand the heavy loads that are carried by the crane, as well as the often-harsh conditions of the work environment.

 

6. Trolley traversing mechanism

1) The electromagnetic overhead crane trolley traversing mechanism is an important part of an overhead crane system. It is responsible for the movement of the trolley along the bridge of the crane, allowing it to pick up and transport heavy loads.

2) The trolley traversing mechanism uses powerful electromagnetic forces to move the trolley. A series of electromagnets are mounted on the bottom of the trolley, which can be turned on and off as necessary. When the electromagnets are activated, they create a magnetic field that interacts with the steel rails on the bridge of the crane. This causes the trolley to move along the rails.

3) The trolley traversing mechanism can be controlled by a variety of methods, including manual controls or computerized systems. These systems can provide precise control over the movement of the trolley, allowing it to be maneuvered into position for loading and unloading.

4) Overall, the electromagnetic overhead crane trolley traversing mechanism is a crucial component of any overhead crane system. Its ability to move the trolley smoothly and efficiently is essential for maximizing the productivity and safety of the crane.

 

7. Crane wheel

1) Double girder electric hoist bridge crane wheel refers to the wheels installed on the bridge beam of a double girder electric hoist bridge crane. The crane wheels are responsible for the movement of the bridge beam along the runway rails, allowing the crane to travel horizontally across the working area. These wheels are typically made of forged steel or cast iron, and are designed to withstand the weight of the crane and its load. The wheels are often equipped with bearings or lubrication systems to ensure smooth operation and reduce wear and tear. Proper maintenance and inspection of the crane wheels is essential for safe and efficient operation of the crane.

2) The crane wheels are typically made of cast or forged steel and are designed to run on rails installed on the top of the runway or bridge. The wheels are driven using a motor or geared drive mechanism to move the crane along the runway or bridge.

 

8. Auxiliary Hook

This is an additional hook apart from the main lifting system. It is typically lighter and used for smaller or more precise lifting tasks. It complements the primary hoisting mechanism and offers flexibility for lifting non-magnetic materials or lighter loads.

 

9. Motor

An electromagnetic overhead crane motor is a type of motor that uses electromagnets to generate magnetic fields to produce torque (rotational force) and power. These motors are commonly used in overhead cranes to lift heavy loads and move them from one location to another in industrial settings. The electromagnetic motors are known for their high efficiency, precise control, and ability to handle heavy loads. They are designed to operate in harsh environments and can withstand high temperatures, dust, and moisture. Electromagnetic overhead crane motors are commonly powered by AC (alternating current) or DC (direct current) sources depending on the application requirements.

 

10. Sound and light alarm system & limit switch& safety parts

1) Every crane will be equipped a sound and light alarm system and so that it is an effective way to keep people safe in emergency situations. It is important to ensure that the system is regularly tested and maintained to ensure that it is in good working order.

2) The limit switch can be widely used in three - dimensional control and travel limitation of hoisting machinery, and it can protect the crane.

 

11. Control Mode

 

12. Sketch

 

Lifting capacity			5t+5t; 7.5t+7.5t; 10t+10t; 16t+16t
Lifting height			up to 20m
Span (Standard)			10.5-31.5m
Speed	Hoisting	Slow	1 m/min
		Fast	15 m/min
	crab		4-40 m/min
	Crane		10-100 m/min
Working system			A5~A6

 

 

Versatile material handling with the ability to lift both ferrous and non-ferrous materials.

Efficient operations with fast lifting and release mechanisms.

Improved productivity through reduced setup time and faster load handling.

Enhanced safety with remote control and backup systems.

Cost-effective with reduced labor and maintenance requirements.

Precision handling through the auxiliary hook for smaller or more delicate loads.

Space efficiency and optimized use of work areas.

Reduced risk of damage to materials and equipment.

Time-saving in bulk handling and multi-piece lifting.

Environmental adaptability for use in a wide range of industries.

 

 

The auxiliary hook electromagnetic bridge crane is widely used in various industries due to its versatility, combining the benefits of an electromagnetic lifting system with the precision of an auxiliary hook. Below are the key applications where this type of crane is most effective:

1. Steel Mills and Metal Processing Plants

Handling Steel Products: The crane is used to lift, move, and transport heavy steel products such as steel plates, billets, beams, coils, and bars.

Transporting Hot Metal: Electromagnetic cranes are used for moving hot steel slabs or billets in steel mills.

Scrap Metal Loading/Unloading: The electromagnet can quickly pick up scrap metal for recycling or further processing. The auxiliary hook can handle non-magnetic items like tools or containers.

2. Scrap Yards and Recycling Facilities

Lifting and Sorting Scrap: The crane is ideal for lifting and sorting large volumes of scrap metal. The electromagnet helps gather and move ferrous materials efficiently, while the auxiliary hook is used to lift non-magnetic materials such as plastic, aluminum, or other waste.

Bulk Handling: The crane can lift multiple pieces of scrap metal at once, making it highly efficient for bulk handling operations.

3. Shipyards and Ports

Loading and Unloading Metal Cargo: The electromagnetic crane is commonly used in shipyards to handle steel plates, beams, and other metal products used in shipbuilding or as cargo.

Transporting Heavy Components: The auxiliary hook allows the crane to lift non-magnetic items, such as ship components, crates, or machinery, making it a versatile tool in marine environments.

4. Manufacturing and Assembly Plants

Metal Fabrication: The crane is used to transport heavy metal components, such as steel parts, to and from fabrication machines (e.g., CNC machines, welding stations). The auxiliary hook can be used for more delicate assembly tasks.

Assembly of Large Equipment: When assembling heavy equipment or machinery, the crane's auxiliary hook provides precision for lifting smaller components, while the electromagnet handles large metal parts.

 

 

The production procedure for an electromagnetic overhead crane is as follows:

1. Design: The first step in producing an electromagnetic overhead crane is to design it according to the client's requirements. This involves determining the crane's lifting capacity, span, and any other specific requirements.

2. Fabrication: Once the design is finalized, the fabrication process begins. The fabrication process involves cutting, welding, and assembling the various parts of the crane.

3. Electrical wiring: After the fabrication process, electrical wiring is added to the crane. This includes the installation of the electromagnetic brakes, control panel, power circuit, and other electrical components.

4. Testing: Once the crane is fully assembled, it undergoes rigorous testing to ensure optimal performance. This includes load testing, functional testing, and electrical testing.

5. Delivery and installation: After testing, the crane is ready for delivery and installation. The installation process involves positioning the crane on the overhead rails and connecting it to the power and control systems.

6. Commissioning: Once the crane is installed, it undergoes thorough commissioning procedures to verify its optimal performance. This involves running several tests and adjustments to ensure that the crane meets the specified requirements.

7. Andover: After commissioning, the crane is handed over to the client for use. The client is provided with training on how to operate the crane safely and effectively.

8. Overall, the production procedure for an electromagnetic overhead crane is a complex process that requires precision, expertise, and quality assurance. The aim is to produce a reliable and capable crane that can meet the needs of the client and ensure optimal efficiency in material handling.

 

 

The company has installed an intelligent equipment management platform, and has installed 310 sets (sets) of handling and welding robots. After the completion of the plan, there will be more than 500 sets (sets), and the equipment networking rate will reach 95%. 32 welding lines have been put into use, 50 are planned to be installed, and the automation rate of the entire product line has reached 85%.

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