Double-Girder Underslung Bridge Crane

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Lifting capacity: 0.5 to 12.5 tons
Span length: 15.0 to 32.5 m
Travel drive type: Electric
Lifting height: Up to 36.0 m
Operating mode (ISO 4301/0): A2 – A9

This metal structure is designed to transport various loads within its rated lifting capacity.

It is used for lifting and moving loads up to 12.5 tons.
The crane consists of a main girder (made from an I-beam) and three end carriages, each equipped with motor gear units that drive its movement.

Power is supplied by an electric cable system or another suitable method.
Operation is carried out via a wired pendant control with an emergency stop button, with optional radio control or operator cabin control available for enhanced convenience and safety.

The lifting and travel mechanism is an electric hoist (trolley) moving along the crane span.
The load-handling device is a hook suspension attached to a wire rope.

A distinctive feature of the design is that the underslung bridge crane is mounted beneath the runway beams, eliminating the need for columns and freeing up valuable workspace.
Double-girder bridge cranes are additionally equipped with a central end carriage, which ensures maximum stability and secure positioning of the crane on the tracks.

For improved safety and ease of operation, various optional features can be installed.

This type of crane is widely used in industrial facilities for maintenance, assembly, and material handling tasks.
Its key advantages include versatility, reliability, and the ability to cover the entire working area of the workshop or production site.

 


This metal structure is designed to handle various loads within its rated lifting capacity.

Lifting capacity: 0.5 to 12.5 tons
Span length: 15.0 to 32.5 m
Travel drive type: Electric
Lifting height: Up to 36.0 m
Operating mode (ISO 4301/0): A2 – A9


Types of Double-Girder Underslung Bridge Cranes

  • Underslung Double-Girder Bridge Crane – 1.0 ton capacity

  • Underslung Double-Girder Bridge Crane – 2.0 tons capacity

  • Underslung Double-Girder Bridge Crane – 3.2 tons capacity

  • Underslung Double-Girder Bridge Crane – 5.0 tons capacity

  • Underslung Double-Girder Bridge Crane – 10.0 tons capacity


Scope of Supply

  • Crane bridge (main girder): 1 pc.
    (May consist of 2 or 3 sections, depending on span length)

  • Rigid end carriage: 1 pc.

  • Floating end carriages: 2 pcs.

  • Crane control panel: 1 pc.
    (May be omitted for explosion-proof models)

  • Motor-gear units: 2–4 pcs.
    (Depending on crane span and lifting capacity)

  • Cable products: Included

  • Hoist (trolley): Included if supplied with the crane

  • Crane power supply system: Optional

  • Hoist power supply system: Cable type by default; other options available

  • Additional components: Depending on configuration and selected options

• All wheel assemblies are filled with long-lasting grease, so no additional lubrication is required before operation.

• All crane girders are engineered to ensure that elastic deflection does not exceed the limits established by regulatory standards.

• The girders are also designed to completely eliminate the risk of deformation under load.

• The connection between the crane girders and end carriages is made only with bolts, without welding.

• Only European components are used:

  • Hoists manufactured in Bulgaria and Germany

  • Motor-gear units manufactured in Italy

• The end carriages are equipped with anti-derailment devices to prevent the crane from coming off the rails or guide tracks.

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