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LH Hoist Double Girder Overhead Crane
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Capacity:
3t,5t,10t,16t,20t,32t
Working Class:
A3,A4
Lifting Height:
18m
Span:
10.5m
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LH double-girder crane is applicable to operational sites of medium and small lifting load such as factories and mines, workshops and warehouses
Product overview:

Introduction of LH Type Electric Hoist Bridge Crane

The LH double-girder overhead crane is engineered for robust performance in medium-duty industrial applications. Its core structure features a high-strength, box-shaped bridge, a precision trolley travel system, a compact crab unit, and reliable electrical components. A fixed electric hoist is securely mounted on the crab frame, forming the primary lifting mechanism.


This crane is distinguished by its advanced crab design. It incorporates articulated end carriage joints, guaranteeing that all four wheels maintain constant, positive contact with the runway track for superior stability and weight distribution. Cross travel is powered by two independent, direct-drive motors. Operators can choose from three control methods: a standard ground-operated pendant, a flexible wireless remote, or a dedicated operator's cab (available in open or enclosed configurations).


Features of LH Type Electric Hoist Bridge Crane

Key Specifications & Advantages:

  • Lifting Capacity: Handles loads from 3 to 32 tons.

  • Drive Systems: Crab utilizes LD drive; trolley options include LD or QD drive systems.

  • Hoisting & Control: Equipped with CD/MD wire rope hoists. Trolley travel speeds can be smoothly regulated using a Variable Frequency Drive (VFD) for precise load positioning.

  • Lifting Speeds: Offers two distinct lifting speeds in a 1:10 ratio for operational flexibility.

  • Safety & Durability: Includes dual upper/lower precision limit switches, a heavy-duty wear-resistant rope guide, and a fail-safe mechanical brake. Gear drives are sealed and lubricated for life.

  • Optimized Crab Unit: The lightweight, compact crab ensures equal load distribution across all wheels via its articulated joints, enhancing track contact and service life.

  • Component Quality: Features a high-strength 16Mn steel trolley rail and is supplied with a hook block, pendant station, and premium-brand electrical components.


Product Highlights:

  • Space-Efficient & Energy-Saving Design

  • Superior Performance with Smooth Start/Stop Operation

  • Intuitive Operation and Easy Maintenance

  • Durable, Rational Structure

  • Excellent Parts Interchangeability


Robust Mechanical Construction:

The main girders are double-welded box sections, designed to meet DIN/FEM deflection standards. Constructed from Q235B or Q345B steel, the crane is protected by a durable 120μm epoxy zinc-rich coating. The main girder and end beams are bolted together with high-strength fasteners for structural integrity. End trucks are fitted with anti-friction bearing wheels, buffer blocks, and derailment guards. A secure maintenance walkway with handrail runs alongside the main girder.


Comprehensive Safety Systems:

  • Overload Limiter and Warning System

  • Lifting Height Limit Device

  • Voltage Loss and Phase Sequence Protection

  • Emergency Stop Function

  • Safety Latches on Hooks


We provide custom solutions, offering comprehensive support from initial planning to final implementation.


Technical Parameters of LH Type Electric Hoist Bridge Crane


Lifting Capacity: 3t-32t

Crane Span: Max. 31.5m or Customized

Lifting Height: Customized

Work Class: A3, A4,A5

Raged voltage: Three-phase AC 380V 50HZ

Crane control mode: Pendantcontrol / Wireless remote control / Cabin control


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Product Details
Application Scenario

What are the applications of LH type Electric hoist bridge crane?

Engineered for efficiency and space-saving operation, the LH Double-Girder Overhead Crane is the ideal lifting solution for a multitude of industrial environments. Its unique design, characterized by a low overall headroom and lightweight yet robust construction, delivers exceptional performance where larger, more cumbersome cranes are not suitable.


This crane excels in handling the demanding, repetitive material flow tasks essential to modern manufacturing and logistics, providing reliable and precise load handling for medium-duty applications.


Ideal for a Wide Range of Industries & Facilities:

  • Manufacturing & Assembly Workshops: Streamline production lines by moving raw materials, components, and finished products between workstations. The smooth start/stop control ensures precise positioning for assembly tasks.

  • Warehousing & Distribution Centers: Optimize storage space in facilities with lower clearances. Perfect for loading/unloading trucks, order picking, and organizing inventory in high-bay shelving.

  • Metallurgy & Steel Service Centers: Support auxiliary operations in foundries and metal fabrication shops, handling dies, molds, and processed materials with reliability.

  • Power Generation & Utility Plants: Facilitate the safe and efficient maintenance of equipment, such as turbines, pumps, and transformers, during scheduled servicing or component replacement.

  • Mining & Mineral Processing Operations: Perform essential equipment handling and maintenance duties in preparation plants and ancillary mine buildings.

  • Repair Bays and Maintenance Bays: The availability of remote control allows a single operator to manage lifting and positioning tasks safely and efficiently from the optimal viewpoint.


By choosing the adaptable LH Double-Girder Crane, you are not just installing a piece of equipment; you are enhancing the material handling backbone of your operation, boosting throughput and safety across your facility.


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