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What is Overhead Crane Used For

Overhead cranes, also known as bridge cranes or overhead traveling cranes, are critical pieces of equipment used in various industries for lifting and moving heavy loads. They operate on an elevated runway system, typically with parallel runways or a single girder track, allowing for horizontal movement while lifting loads vertically. This comprehensive guide explores the definition, types, applications, and benefits of overhead cranes in detail.

16 Ton & 10 Ton Single Girder Overhead Cranes for Russia
16 Ton & 10 Ton Single Girder Overhead Cranes

Overhead Crane Definition

An overhead crane is a type of material handling equipment characterized by its ability to traverse along elevated runways. It consists of a bridge (or multiple bridges) that spans the area to be covered, supported by end trucks on each end. The bridge is equipped with a hoist or trolley mechanism that facilitates vertical lifting and precise positioning of heavy loads. Overhead cranes are designed to handle repetitive lifting tasks efficiently, making them indispensable in industrial environments where productivity and safety are paramount.

Aicrane NLH overhead cranes installed in Kazakhstan
Aicrane NLH Overhead Cranes

Types of Overhead Crane

The overhead crane can be divided into different types based on different standard.

Types of Overhead Crane Based on Girder Structure

There are two main types of overhead crane based on their girder structure. There are single girder overhead crane and double girder overhead crane.

Single Girder Overhead Crane

Single girder overhead cranes feature a single bridge beam supported at each end by end trucks. The hoist and trolley run on the lower flange of the bridge beam. It is cost-effective, easier installation, suitable for lighter loads and lower headroom applications. The single girder overhead crane can be applied for manufacturing, assembly lines, maintenance operations.

AQ-LD 10T Overhead Crane For Manufacturing Industry
Single Girder Overhead Crane

Double Girder Overhead Crane

Double girder overhead cranes have two bridge beams supported at each end by end trucks. The hoist and trolley run between the two bridge beams. It has higher lifting capacities, greater span, better hook height, suitable for heavier loads and higher duty cycles. It can be applied in heavy manufacturing, steel mills, foundries, aerospace industries.

Two NLH Double Girder EOT Crane in Nigeria
Double Girder Overhead Crane Lifting Steel Coils

Types of Overhead Crane Based on Construction Style

There are regular overhead crane and European style overhead crane based on their construction style or construction standard.

Regular Overhead Crane

The regular overhead crane is a commonly used industrial lifting device, featuring a standard design that includes a bridge, trolley, and hoist. It is suitable for general material handling tasks in a variety of industrial settings, offering reliable performance and versatility in moving loads of different sizes and weights.

Double Girder Ovehread Crane In Malaysia
Regular Overhead Crane

European Style Overhead Crane

The European style overhead crane is designed with advanced engineering and modern aesthetics. It typically features a compact and lightweight construction, optimized for energy efficiency and precision lifting. This type of crane often incorporates control systems, ensuring smooth and accurate operation in demanding industrial environments.

Euroepan type crane for sale
AQ-QDX European Type Overhead Crane

Types of Overhead Crane Based on Operation Way

The top running overhead crane operate on the top while the underhung overhead crane operate under the flange of the supporting beams.

Top Running Overhead Crane

A top running overhead crane is characterized by its wheels running on the top flange of the crane runway beams. This design of top running overhead crane allows for greater stability and load capacity, making it ideal for heavy-duty applications. The crane’s bridge spans the width of the workspace, providing efficient material handling across a wide area.

Top Running Overhead Crane
Top Running Overhead Crane

Underhung Overhead Crane

The underhung overhead crane, also known as an under-running crane, has its wheels running on the lower flange of the supporting beams. This configuration is often used in spaces with lower ceilings or where overhead obstructions limit the use of top-running cranes. Underhung cranes are suitable for lighter loads and offer a cost-effective solution for material handling in confined spaces.

NLX overhead crane for sale
NLH Underhung Overhead Crane
underhung bridge crane
AQ-LX Underslung Overhead Crane

Application of Overhead Crane

Overhead crane can be applied in different scenarios.

  • Manufacturing and Production Facilities: Overhead cranes are integral to manufacturing processes, facilitating the movement of raw materials, work-in-progress, and finished goods. They handle heavy components during assembly, transfer finished products to storage or shipping areas, and improve overall production efficiency.
  • Overhead Crane in Long Span Steel Structure Manufacturing Workshop
    Overhead Crane in Manufacturing Workshop
  • Steel Mills and Foundries: In heavy industries like steel manufacturing and foundries, double girder overhead cranes are crucial for lifting and moving heavy loads such as molten metal, ingots, and machinery components. These cranes operate in demanding environments with high temperatures and rugged conditions.
  • Foundry Crane
    Foundry Crane
  • Warehousing and Logistics: Single girder overhead cranes are extensively used in warehouses and distribution centers for efficient storage and retrieval of goods. They enable stacking of pallets and containers, optimize vertical space utilization, and streamline inventory management processes.
  • LH 20T Double Girder EOT Crane in Warehouse
    Double Girder Overhead Crane in Warehouse
  • Aerospace and Automotive Industries: Overhead cranes play vital roles in the aerospace and automotive sectors, handling delicate components, engines, fuselage sections, and entire aircraft or vehicle assemblies during manufacturing, maintenance, and repair operations.

Advantages of Overhead Crane

The overhead crane offers several advantages for industrial application.

solution of steel structure with overhead cranes
Crane Steel Structure
  • Enhanced Efficiency: Overhead cranes improve operational efficiency by reducing manual labor, minimizing handling times, and increasing throughput rates in material handling processes.
  • Safety: They enhance workplace safety by minimizing the risk of injuries associated with manual lifting and repetitive tasks. Overhead cranes are equipped with safety features such as overload protection, emergency stop systems, and collision avoidance mechanisms.
  • Versatility: Overhead cranes are versatile tools that can be customized with various attachments and accessories to meet specific operational requirements. They adapt to different lifting tasks and environments, enhancing their utility across diverse industries.
  • Cost-Effectiveness: While the initial investment in overhead crane systems may be significant, their long-term benefits in terms of increased productivity, reduced labor costs, and improved operational efficiency justify the investment.
  • Maintenance: Proper maintenance and regular inspections ensure the reliability and longevity of overhead crane systems. Routine maintenance tasks include lubrication, inspection of mechanical components, and testing of safety features to comply with regulatory standards.

Overhead cranes are indispensable assets in industrial settings, offering efficient, safe, and reliable solutions for lifting and moving heavy loads. Their versatility, capacity to handle substantial weights, and ability to operate in diverse environments make them essential tools for enhancing productivity, improving safety standards, and optimizing logistical processes. Understanding the different types, applications, and benefits of overhead cranes enables industries to make informed decisions when selecting equipment that meets their specific material handling needs, ensuring seamless operations and sustained growth. Purchase your overhead crane from a reliable overhead crane manufacturer.

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