Electromagnetic Travelling Double Girder Overhead Crane

electromagnetic double girder overhead crane

electromagnetic double girder bridge crane

electromagnetic double beam overhead crane

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Capacity:5 – 50 t (customizable)

Lifting Height:6 – 30 m (customizable)

Voltage/Hertz:(customizable)

Brand Name: YUNTIAN

Place of Origin: Henan, China

Product manual

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Introduction

Technical Data (General Version)

Application

Features

PRODUCT INTRODUCTION

The Electromagnetic Double Girder Overhead Crane, also widely recognised in the industry as the QC model, is a specialised heavy-duty lifting solution designed for handling ferromagnetic materials in steel mills, metal processing facilities, shipyards, and scrap yards. Unlike a standard hook crane that relies on slings or chains to secure the load, this crane uses a powerful electromagnetic lifting device—the electromagnetic chuck—as its primary below-the-hook attachment, enabling fast, contactless gripping and release of steel plates, billets, bars, coils, and scrap metal.

TECHNICAL DATA

Parameter	Specification
Lifting Capacity	5 – 50 t (customizable)
Span	10.5 – 31.5 m (customizable)
Lifting Height	6 – 30 m (customizable)
Work Duty Class	A5, A6 (customizable)
Trolley Travel Speed	40 – 45 m/min
Crane Travel Speed	3 – 75 m/min (VFD adjustable)
Lifting Attachment	Electromagnetic chuck
Electromagnet Temperature Rating	Up to 600°C – 700°C
Control Method	Cabin / Pendant / Wireless Remote

HOT PRODUCTS

Scrap Yards & Recycling Facilities

Shipyards & Marine Engineering

Foundries & Metallurgical Plants

Ports & Freight Terminals

Steel Mills & Rolling Plants

Metal Fabrication & Heavy Machinery

FEATURES

Electromagnetic Lifting for Ferromagnetic Materials — The crane‘s primary distinguishing function is its electromagnetic chuck, which generates powerful magnetic force to grip and release ferromagnetic loads—steel plates, billets, bars, coils, scrap metal, and sections—without the need for slings, chains, or manual rigging. This enables significantly faster load attachment and release cycles compared to traditional hook cranes.

Power-Loss Protection with Battery Backup — A critical safety system automatically engages a backup battery supply if mains power is interrupted during a lift. The battery maintains the electromagnetic field for 10 to 30 minutes, preventing the load from being released unexpectedly and ensuring workplace safety during power outages.

Heavy-Duty Double Box-Girder Structure — Two parallel high-grade steel main girders with full-penetration welding provide superior bending, torsion, and shear strength. The double-girder configuration delivers stable, even load distribution, making the crane suitable for handling dense, irregularly-shaped metal loads that a single-girder design would struggle to manage.

Flexible Electromagnetic Beam Options — Available in both upper-rotating and lower-rotating configurations. The rotating beam allows the operator to adjust the angle of the electromagnetic chuck for precise positioning of long steel plates, pipes, or sections without needing to reposition the entire crane.

Smooth VFD-Controlled Operation — All motion axes are driven by variable frequency drives delivering stepless speed regulation, shock-free starts and stops, and precise load positioning. This is particularly important when handling long steel plates, where sudden movements can cause material distortion or swinging.

High-Temperature Material Handling Capability — Optional heat-insulated electromagnets are available for applications involving hot steel products, with temperature resistance up to 600–700°C. This makes the crane suitable for direct handling of materials coming off rolling lines or out of furnaces.

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Our products are mainly exported to South America, Southeast Asia,Africa, Russia, Turkey, Middle East countries and so on.