LH Double Girder Overhead Crane with Hoist Trolley for Industry

Parameter Specification
Lifting Capacity 5t – 32t
Span 10.5m – 31.5m
Lifting Height 6m – 18m
Working Class A3 – A4
Ambient Temperature -20℃ – +40℃

LH Double Girder Overhead Crane with Hoist Trolley for Industry

The LH series double girder overhead crane with hoist trolley is a high-performance industrial lifting solution designed for heavy-duty material handling in demanding environments. Featuring a box-type main girder, end carriages, hoist trolley, long crane traveling system, and advanced electrical components, this crane double girder ensures efficient longitudinal movement along workshop tracks, lateral trolley movement, and precise hook lifting. DONGQI offers customizable LH double girder cranes tailored to specific industrial crane requirements, delivering reliable performance for diverse heavy-duty lifting applications.
LH Double Girder Overhead Crane
LH Double Girder Overhead Crane
 
Applications of LH Double Girder Crane
The LH series crane double girder excels in various industrial sectors, including:
  • Manufacturing Warehouses: Efficient handling of raw materials and finished products for streamlined warehouse lifting systems.
  • Assembly Workshops: Precision lifting of heavy machinery and components for industrial assembly cranes.
  • Steel Plants and Metallurgical Casting: Reliable transport of metal and molten materials in metallurgical crane operations.
  • Power Plants: Safe handling of heavy equipment and transformers for power plant lifting solutions.
  • Mining and Quarrying: Robust lifting for machinery and materials in mining crane applications.
  • Construction Projects: Seamless transport of heavy building materials for construction lifting equipment.
Its high-capacity design makes it ideal for heavy-duty industrial material handling.
Advantages of LH Double Girder Overhead Crane
The LH double girder crane offers several key benefits:
  • Compact Structure: Optimized design for efficient crane double girder performance.
  • Smooth Operation: Soft starting and stopping for controlled material handling.
  • Stable and Safe Travel: Enhances operational safety and extends crane lifespan.
  • Low Noise: Spacious cabin with excellent visibility for operator comfort in industrial crane operations.
  • High-Quality Construction: Automatic welding and non-destructive testing (NDT) ensure durable double girder crane performance.
  • Reliable Drive System: IP54 or IP55 motors with level F insulation for consistent heavy-duty crane functionality.
Technical Parameters of LH Double Girder Crane
Double girder bridge crane technical drawings
Parameter Details
Lifting Capacity 5 to 32 tons, suitable for medium to heavy-duty material handling
Span 10.5 to 31.5 meters, customizable for industrial crane operations
Lifting Height 6 to 18 meters, ideal for high-capacity lifting applications
Lifting Speed 0.35/3.5 to 0.8/8 m/min, adjustable for precise material lifting
Trolley Traveling Speed 20 m/min, ensuring efficient crane movement
Crane Traveling Speed 20 to 43 m/min, optimized for industrial material handling
Work Duty A4, suitable for medium-duty crane applications
Track Type P24, P38, or P43, depending on capacity
Power Supply 3-phase 380V/50Hz (customizable)
Control Modes Pendant control, wireless remote, or cabin control for safe crane operation
Main Components of LH Double Girder Crane
Main Girder
  • Structure: Box-type girder with CNC cutting for high surface flatness, using standard 24#, 38#, or 43# rails for cross travel.
  • Material: High-strength steel plates for durable crane double girder construction.
End Carriages
  • Design: Welded rectangular steel tubes with buffers for safe industrial crane travel.
  • Assembly: Bolted to the main girder for quick and easy setup.
Hoist Trolley
  • Components: Includes hoist, trolley frame, hook, and pulley, fixed with bolts for stable operation.
  • Hoist: Electric hoist with adjustable speeds for precise material handling in double girder cranes.
Drive Mechanism
  • Motor: High-quality motor (top Chinese brands) for reliable heavy-duty crane performance.
  • Reducer and Brake: Integrated for efficient and maintenance-free operation.
Electrical System
  • Schneider Electrics: Original French components for reliable crane electronics.
  • Protection: Voltage and current protection for consistent industrial lifting performance.
Safety Features of LH Double Girder Crane
The LH double girder overhead crane is equipped with advanced crane safety systems, including:
  • Polyurethane Buffer: Enhances durability and absorbs collision energy.
  • Limit Switches: Prevent overlifting, over-lowering, or excessive trolley travel.
  • Overload Limiter: Triggers alerts to prevent unsafe lifting conditions.
  • Anti-Collision Devices: Laser detection for distance monitoring in industrial crane operations.
  • Safety Brake: Locks the reel for added security during material handling.
  • Electrical Interlock Switch: Ensures safe access and operation.
Why Choose LH Double Girder Overhead Crane?
The LH series double girder overhead crane with hoist trolley, offered by DONGQI, delivers exceptional efficiency, reliability, and durability for industrial lifting applications. Compliant with international standards, its robust construction, high-capacity lifting, and advanced safety features ensure long-term performance and cost-effective material handling. Ideal for manufacturing warehouses, steel plants, and construction projects, this crane double girder guarantees stable operation and safety. For more information or to request a customized solution, contact DONGQI today.

Frequently Asked Questions About LH Double Girder Overhead Crane

What is the LH double girder overhead crane with hoist trolley?

The LH double girder overhead crane, also known as a crane double girder or industrial bridge crane, is a heavy-duty lifting solution with a box-type main girder and hoist trolley. Designed for precise material handling, it excels in factories, steel plants, and construction sites, making it ideal for industrial lifting applications.

What are the main applications of the LH double girder crane?

This crane double girder is widely used in:

  • Manufacturing Warehouses: Efficient handling of raw materials and products for warehouse lifting systems.
  • Steel Plants and Metallurgical Casting: Reliable transport of heavy metals for metallurgical crane operations.
  • Power Plants: Safe lifting of equipment and transformers for power plant lifting solutions.
  • Construction Projects: Seamless transport of building materials for construction lifting equipment.
What is the lifting capacity and span of the LH crane?

The LH series crane supports a lifting capacity of 5–32 tons, ideal for heavy-duty material handling. Its span ranges from 10.5 to 31.5 meters, customizable for various industrial crane operations.

What safety features are included in the LH double girder crane?

Key safety features include:

  • Polyurethane Buffers: Absorb impact to protect the crane structure.
  • Limit Switches: Prevent overlifting or over-lowering for safe load handling.
  • Overload Limiter: Ensures secure material handling operations.
  • Anti-Collision Devices: Laser detection for safe industrial crane operations.
  • Safety Brake and Interlock Switch: Enhance operational safety.
Can the LH crane operate in hazardous environments?

Standard LH double girder cranes are not suitable for explosive, flammable, or highly corrosive environments. DONGQI offers customized industrial crane solutions compliant with safety standards for such conditions.

What control modes are available for the LH crane?

The crane supports flexible operation through:

  • Pendant Control: For direct, hands-on operation.
  • Wireless Remote Control: For convenient, remote crane handling.
  • Cabin Control: For enhanced control in large-scale industrial lifting systems.
How often should the LH crane be maintained?

Regular maintenance ensures reliable performance:

  • Conduct no-load tests on wire ropes, hooks, and electrical systems before use.
  • Lubricate wire ropes and replace worn components promptly.
  • Inspect motors and electrical systems regularly for smooth double girder crane operations.
What is the warranty period for DONGQI’s LH double girder crane?

DONGQI provides a warranty of 1–3 years

Can the LH crane be customized?

Yes, DONGQI offers fully customizable crane double girder solutions. You can adjust lifting capacity, span, lifting height, control modes, and other specifications to meet specific heavy-duty material handling needs.

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