Hd Type Single Girder Overhead Crane

Core Components: Gearbox, Motor, Gear

Place of Origin: Henan, China

Warranty: 1 Year

Weight (KG): 10000 kg

Video outgoing-inspection: Provided

Machinery Test Report: Provided

Selling Units: Single item

Single package size: 600X300X300 cm

Single gross weight: 200.000 kg

 

A single girder overhead crane (HD type) consists of several key components that work together to enable safe and efficient material handling. Below is a detailed breakdown of its main parts:

 

1. Main Components of an HD-Type Single Girder Overhead Crane

A. Bridge Girder (Main Beam)

The primary load-bearing structure, usually made of rolled steel (I-beam) or welded box girder.

Supports the hoist, trolley, and load.

Designed to resist bending and deflection under load.

 

 

B. End Trucks (End Carriages)

Located at both ends of the girder.

Consist of wheels, bearings, and drive mechanisms (for motorized cranes).

Allow the crane to move along the runway rails.

C. Hoist Unit

The lifting mechanism that raises/lowers the load.

Types:

Electric chain hoist (for light to medium loads).

Wire rope hoist (for heavier loads).

Includes:

Motor

Gearbox

Drum or chain sprocket

Brake system

 

 

D. Trolley

The moving unit that carries the hoist along the girder.

Can be manual push, hand-geared, or motorized.

Includes wheels, drive motor (if powered), and limit switches.

E. Runway System

Comprises rails mounted on runway beams (supported by building columns or freestanding structures).

Provides the path for the crane's movement.

F. Electrical System

Power supply: Typically 3-phase AC (380V, 50Hz) or customized voltage.

Control options:

Pendant control (hanging button station).

Radio remote control (wireless operation).

Cabin control (for large cranes).

Safety devices:

Limit switches (to prevent over-travel).

Overload protection (to avoid excess load).

Emergency stop button.

G. Buffers & Bumpers

Rubber or spring-based shock absorbers at the ends of the girder to prevent damage from collisions.

H. Festoon System (for powered cranes)

Manages cable movement for power and control signals.

Can be cable festoon or conductor bar system.

2. Optional Components (Depending on Application)

Crane cabin (for operator-controlled cranes).

Anti-sway system (for precise load positioning).

Weighing system (load measurement).

Variable frequency drive (VFD) for smooth acceleration/deceleration.

Explosion-proof components (for hazardous environments).

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3. Working Principle

The hoist lifts the load vertically.

The trolley moves the hoist horizontally along the girder.

The end trucks move the entire crane along the runway for longitudinal travel.

The control system (pendant/remote) manages all movements.

4. Maintenance & Safety Checks

Regularly inspect wires, chains, and hooks for wear.

Check brakes and limit switches for proper function.

Lubricate wheels, bearings, and gears periodically.

Ensure runway alignment is correct to prevent uneven wear.

Sketch

 

Main technical

 

1. Cost-Effective

Lower initial cost compared to double girder cranes due to simpler design and fewer components.

Reduced installation and maintenance expenses.

2. Lightweight & Space-Saving

Requires less structural support (saving on building/runway costs).

Ideal for facilities with height restrictions (since the hoist hangs below the girder).

3. Easy Installation & Maintenance

Fewer parts mean easier assembly and lower downtime for repairs.

Simple mechanical structure reduces long-term servicing costs.

4. Energy Efficient

Consumes less power than double girder cranes (suitable for frequent but light-duty use).

5. Versatile & Customizable

Available in manual, electric, or remote-controlled versions.

Can be adapted with special hooks, grabs, or magnets for different materials.

6. Smooth & Precise Operation

Modern models feature variable frequency drives (VFDs) for jerk-free movement.

Suitable for assembly lines requiring accurate positioning.

 

Applications of HD-Type Single Girder Overhead Crane

1. Manufacturing & Workshops

Moving raw materials, machinery parts, and finished products.

Used in automotive, steel fabrication, and machinery plants.

2. Warehousing & Logistics

Loading/unloading goods, stacking pallets, and transporting heavy items.

Common in distribution centers and freight terminals.

3. Construction & Material Handling

Lifting steel beams, concrete blocks, and construction tools.

Often used in prefabrication workshops.

4. Power Plants & Utilities

Handling transformers, generators, and heavy equipment during maintenance.

5. Paper & Cement Industries

Transporting rolls of paper, cement bags, and bulk materials.

6. Aviation & Shipbuilding

Assisting in aircraft component assembly and shipyard material handling.

7. Mining & Heavy Industries

Used in light to medium-duty lifting of ores, equipment, and spare parts.

 

1. Design and Engineering
Initial Consultation: The process begins with discussions between the manufacturer and the customer to understand the crane's operational requirements, such as load capacity, span, lifting height, and environment (e.g., indoor or outdoor use, temperature conditions, etc.).

Engineering & Customization: The design team customizes the crane, including the structure, lifting system, and radio remote control features. Detailed engineering drawings and specifications are prepared, ensuring the crane meets all required standards and safety codes.

Control System Design: The radio remote control system is integrated into the design, with attention to ease of use, range, safety features (emergency stop, overload protection), and compatibility with the crane's other systems.

2. Material Selection and Procurement
Structural Materials: High-quality materials like steel are sourced for the crane's main beam, girder, end carriages, and other structural components. These materials are selected for their strength, durability, and ability to withstand heavy loads.

Mechanical Components: The components for the hoisting system, trolley, crane wheel, motors, gearboxes, and radio remote control system are procured from reliable suppliers.

Electrical Components: Wiring, electrical panels, switches, safety devices, and other electrical components for the crane's control system are also sourced.

3. Fabrication and Manufacturing
Main Beam Construction: The steel is cut, welded, and assembled to form the main girder (single beam) of the crane. This process often involves precision cutting, bending, and welding to meet specific design tolerances.

End Carriage Fabrication: The end carriages, which support the crane's travel mechanism, are fabricated and assembled. These components are designed for stability and strength, ensuring smooth crane movement along the tracks.

Assembly of Lifting Mechanism: The hoist, hook, and lifting mechanism are assembled, with motors, gears, and pulleys integrated into the system. The lifting system is tested for load-bearing capacity and smooth operation.

Trolley and Crane Traveling Mechanisms: The trolley and crane traveling mechanisms are built and assembled. This includes the wheels, motor, and rail system, ensuring smooth movement of the crane along the rails.

Radio Remote Control Installation: The radio remote control system is installed. This includes fitting the necessary receivers, antennas, and integrating the control system with the crane's electrical and mechanical systems.

4. Electrical and Control System Integration
Wiring and Electrical Systems: The electrical wiring is installed, connecting the hoisting system, control panel, motors, and radio remote control system. The wiring is tested for safety and compliance with electrical codes.

Control Panel Assembly: The crane's control panel is assembled and integrated with the radio remote control system. It is tested for responsiveness and safety features, including emergency stop and overload protection.

Safety Features: Safety devices such as limit switches, overload sensors, and sound and light alarms are installed and integrated into the control system. These systems ensure safe crane operation and prevent damage.

5. Testing and Quality Control
Load Testing: The crane is subjected to a load test to ensure it can handle the specified weight capacity. The test is done using calibrated weights to verify the crane's performance under operational conditions.

Operational Testing: The crane undergoes a full operational test, where it is run through its motions (lifting, lowering, traveling, etc.) using the radio remote control. The crane's response to commands, including emergency stop and safety alarms, is closely monitored.

Electrical & Mechanical Testing: All electrical systems, including the radio remote control, are tested for functionality and safety. The motors, brakes, and electrical wiring are inspected for proper operation.

Inspection for Compliance: The crane is inspected for compliance with local and international standards (such as ISO, CE, or OSHA) to ensure it meets safety regulations. The structure, load-bearing components, and safety systems are thoroughly checked.

6. Final Assembly
Final Assembly and Inspection: After testing, the crane is fully assembled, with all components securely attached and double-checked for accuracy. The radio remote control is configured, and the system is tested one last time to ensure seamless integration.

Painting & Finishing: The crane is painted with protective coatings to prevent corrosion and improve its appearance. The final finishing touches are added to the structure, including any labeling or safety markings.

Documentation: All necessary documentation, including manuals, certificates of compliance, test reports, and warranty information, are prepared for the customer.
 

Workshop view:

The company has installed an intelligent equipment management platform, and has installed 310 sets (sets) of handling and welding robots. After the completion of the plan, there will be more than 500 sets (sets), and the equipment networking rate will reach 95%. 32 welding lines have been put into use, 50 are planned to be installed, and the automation rate of the entire product line has reached 85%.