Under Slung Overhead Crane

under slung overhead crane are heavy-duty industrial cranes used for lifting and moving heavy objects in a wide range of industries, from manufacturing plants to construction sites. These cranes are typically used for handling large, bulky loads that cannot be easily lifted or moved by other types of cranes.

under slung overhead crane can be manufactured with a variety of features such as automated controls, safety devices, and customized lifting attachments.

Weight (KG):5000 kg

Max. Lifting Load:32 ton

Span:10.5~31.5m

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

Control model:pendent control, wireless remote control, cabin control

Power Source:3 Phase 380V 50hz

Lifting speed:1-15m/min

Lifting mechanism:Electric Trolley

Packing:According to client request

Trolley running speed:5-40m/min

Crane running speed:5-100m/min

Double Beam (Girder):

1. The main beam is usuallymade ofsteel or welded boxsections.

2. The main beam carries thetrolley and hoisting system,which moves along its length.

3. The main beam is designed tolimit deflection to a safe range toensure smooth operation ofthecrane.

End beam:

1. The end beam isdesigned to bear theweight of the beam andload while ensuringsmooth movement.

2. The compact designfits into the limited spaceof the crane structure.

3.Precise alignmentensures stability andsafety.

Hoist:

1. It is responsible for lifting andlowering the load along a verticalaxis.

2. The hoist is usually mountedon a trolley that moveshorizontally along the length ofthe crane beam.

3. The hoist is the mechanicalcomponent that performs thelifting operation.

Trolley: A trolley of a crane magnet refers to the moving mechanism that carries the electromagnetic lifting system along the bridge or girder of a crane. This system is commonly used in industries like steel mills, scrap yards, and shipyards to lift and transport ferrous metal materials.

Magnet:

Key Features:
High lifting capacity – Can handle loads from a few hundred kilograms to several tons.
Energy-efficient options – Electro-permanent magnets consume power only during switching.
Safety mechanisms – Some models have battery backups to prevent load drops in case of power failure.
Durability – Designed for harsh industrial environments.

Control system: The control system of a crane magnet is essential for safely lifting and handling ferrous materials using an electromagnetic lifting system.

Sketch:

1. Increased lifting capacity: Double girder bridge cranes have two beams instead of the usual one. This allows them to carry much heavier loads and lift them higher than single girder cranes.

2. Increased stability: Because of the two beams, double girder cranes have more stability than single girder cranes. This
allows them to be used in applications where precision and control are critical.

3. Increased durability: Double girder cranes are designed to withstand heavy usage and have a longer lifespan than single girder cranes.

4. Flexible design: Double girder bridge cranes can be designed to fit specific needs and requirements, making them more versatile than other crane types.

5. High operating efficiency: Double girder cranes offer high operating efficiency because they can lift larger loads and can cover more ground than single girder cranes.

6. Improved safety: Double girder cranes are built with strict safety features. They come with emergency stops, overload
protection, and other safety features to ensure that workers and equipment are not harmed.

7. Low maintenance: Double girder cranes have fewer wear and tear as compared to single girder cranes. Double girder cranes require less maintenance, which can help save you money in the long run.

8. Remote control operations: Some double girder cranes can be operated by remote control, which increases workforce safety and can save time and money.

under slung overhead crane is a type of overhead crane that consists of two girders and a trolley that runs along the bottom of the girders. This type of crane is commonly used in various industries such as manufacturing, warehouses, construction, and shipping to lift and transport heavy loads.

Some of the applications of under slung overhead crane are:

1. Manufacturing: Double girder overhead cranes are widely used in manufacturing industries to transport heavy machinery and equipment from one production line to another.

2. Warehouses: Double girder overhead cranes are used in warehouses to stack and move heavy loads such as pallets, containers, and raw materials.

3. Construction: This type of crane is used in construction to lift and move heavy materials such as steel, concrete, and other building materials to different levels of the construction site.

4. Shipyards: Double girder overhead cranes are used in shipyards to move heavy parts and sections of ships during the construction process.

5. Power plants: This type of crane is used in power plants to transport heavy equipment such as turbines, generators, and transformers.

Overall, the double girder overhead crane is a versatile and reliable crane that is widely used in various industries for lifting and transporting heavy loads.

1. Design and Specification
Requirement Assessment: Understanding the lifting capacity, size, and application of the crane magnet (e.g., for lifting steel, scrap, etc.).
Magnet Type: Decide whether to use an electromagnet, permanent magnet, or electro-permanent magnet, depending on the use case.
Engineering Design: Engineers create detailed designs, including specifications for magnet strength, materials, power supply (for electromagnets), and safety features.
2. Material Selection
Magnetic Materials: High-quality magnetic materials such as ferrite, neodymium, or Alnico are selected based on the required magnetic strength.
Structural Materials: Steel or other durable metals are chosen for the housing and structural components of the magnet.
Insulation: Materials that can handle high temperatures and are resistant to corrosion are used, especially for electromagnets.
3. Manufacturing the Magnet Core
Core Preparation: The core, which is made of steel or iron, is shaped and machined to match the design specifications.
Magnetization: The magnetizing process is performed using electrical machines for electromagnets or the magnetization process for permanent magnets. For electromagnets, coils are wound around the core to generate a magnetic field when current flows.
Testing: The magnetization is tested to ensure that the magnet meets the required strength.
4. Fabrication of Housing and Components
Housing Manufacturing: The housing is typically made from high-strength steel, which is shaped to fit around the magnet core. This housing serves as protection for the magnet and ensures safe operation.
Cooling System (if needed): For high-powered electromagnets, a cooling system (water or air-based) is integrated into the housing to prevent overheating during use.
5. Assembly
Magnet Assembly: The magnet core and housing are assembled together. For electromagnets, the necessary electrical wiring and terminals are installed to allow connection to the power source.
Control Systems: For electromagnets, a control system with switches, relays, and sometimes a remote control system is added to activate or deactivate the magnet remotely.
6. Quality Control and Testing
Magnetic Testing: The magnet is tested for its lifting capacity, magnetic field strength, and uniformity.
Load Testing: The crane magnet is tested under load conditions to ensure it can handle the specified weight without failure.
Durability Testing: The magnet undergoes stress tests to verify it can withstand harsh working conditions, including high temperatures, moisture, and vibrations.
Safety Features Testing: Check safety mechanisms such as fail-safe systems, emergency shutoff, or manual release features.
7. Finishing
Painting and Coating: The crane magnet is painted or coated to prevent rust and corrosion, ensuring long-term durability, especially if used outdoors.
Final Inspection: A thorough inspection is conducted to ensure that all components are correctly installed and functional.
8. Shipping and Installation
Packaging: The magnet is carefully packaged for shipment, ensuring no damage occurs during transit.
Installation: Once received, the crane magnet is installed on the crane system and connected to the power source (for electromagnets). It's calibrated to ensure proper operation.
9. Maintenance and After-Sales Support
Routine Maintenance: Regular checks and maintenance are advised to ensure that the magnet continues to function effectively.
Repairs and Replacement: Components that wear out over time, such as insulation or the control system, can be replaced as needed.

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

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