Double Girder Bridge Crane

The double girder bridge crane is a robust and reliable lifting solution for industries that require high load capacities and precise control. With its dual-girder design, it provides enhanced stability and is capable of lifting loads up to hundreds of tons. This crane is ideal for large manufacturing plants, steel processing facilities, and heavy machinery assembly lines.

Engineered for smooth and efficient operations, the double girder design ensures greater lifting height and wider spans, making it a versatile choice for various heavy-duty applications. Whether it’s moving large materials or precise positioning of components, the double girder bridge crane delivers excellent performance, safety, and long-lasting durability.

Main Components

  • Electric Chain Hoist: The primary lifting mechanism powered by an electric motor, responsible for driving the lifting chain and performing vertical movements.

  • Load Chain: A durable, high-strength alloy chain designed for lifting heavy loads with precision and smooth operation.

  • Trolley: Supports the hoist and travels horizontally along the crane’s girder, available in both single and double girder configurations.

  • Girder: The primary horizontal beam (offered in either profile or box designs) that supports both the hoist and the trolley.

  • Hooks: Made from forged steel, these hooks are engineered to meet industrial safety standards, ensuring secure lifting.

  • Control System: Options include a pendant control with a festoon system, or an optional wireless remote control for enhanced convenience.

  • Travel Motor & Drive: Features stepless travel motion, providing smooth, precise horizontal movement with no jerking or delays.

  • Power Supply System: A reliable drag chain or cable system designed to provide consistent power transmission to the hoist for uninterrupted operation.

 

Technical Specifications

  • Load Capacity: Capable of handling loads up to 30 tons.

  • Hoisting Height (HOL): Maximum lifting height of 12 meters.

  • Hoisting Speed: Adjustable from 0.6 to 7 m/min, depending on the configuration.

  • Operating Temperature: Suitable for environments with temperatures between -10°C and +40°C.

  • Suitable Environment: Designed for indoor applications.

  • Number of Hoists: Equipped with a single hoist per crane.

  • Crane Configuration: Available in single or double girder designs.

  • Girder Type: Choose from profile girder (up to 12 meters in span) or box girder (up to 30 meters in span).

  • Travel Motion: Smooth, stepless frequency-controlled motion.

  • Lifting Control: Options for single speed, dual speed, or stepless variable frequency.

  • Power Supply to Hoist: Can be powered by flat cable or drag chain.

  • Rated Voltage: Operates at either 380–415V / 50Hz or 440–480V / 60Hz.

  • Control Type: Includes pendant control with a festoon system or an optional wireless remote control.

 

Key Advantages

  • Compact and Lightweight: Easy to install and relocate, ideal for low headroom spaces

  • Cost-Effective: Lower initial investment and maintenance costs

  • Precise Load Control: Accurate vertical lifting and positioning

  • Low Noise and Vibration: Smooth, quiet operation for indoor environments

  • Simple Installation: Suitable for small-scale cranes, monorails, or ceiling systems

 

Comparison with Other Cranes

FeatureElectric Chain Hoist CraneWire Rope Hoist CraneJib CraneWorkstation Crane
Lifting CapacityLight to Medium (up to 5 tons)Medium to Heavy (up to 80 tons)Light (up to 2 tons)Light (up to 2 tons)
Lifting MediumAlloy ChainWire Rope (synthetic/steel)Chain or manualChain
Lifting SpeedModerateFastModerateModerate
PrecisionHighMediumMediumHigh
DurabilityMediumHighMediumMedium
InstallationSimpleComplexWall/Floor MountedModular Overhead Track
Best Use CaseWorkshops, maintenance, small factoriesIndustrial plants, long cyclesWorkstations, localized liftingRepetitive small item handling
CostLowerHigherMediumMedium

 

Applications

  • Compact Manufacturing Units: Ideal for smaller-scale production environments.

  • Repair and Maintenance Stations: Perfect for upkeep and servicing of machinery and equipment.

  • Production and Assembly Lines: Tailored for use in continuous or batch production operations.

  • Storage and Distribution Centers: Designed for efficient material handling in warehousing and logistics.

  • Automotive and Component Factories: Suitable for lifting and moving parts in automotive manufacturing.

  • Light Construction and Prefabrication Workshops: Ideal for assembling prefabricated parts or light construction tasks.

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