Single girder eot cranes are a type of lightweight material handling equipment that is commonly used within production and engineering facilities. As one of the leading manufacturers of single girder eot cranes, we specialize in designing cranes with convenience and safety in mind. Our cranes are offered in standard configurations as well as custom-built specifications. The size and load-bearing capacity can be adapted to the specific lifting requirements of our customers..
Our selection of bespoke single girder eot cranes is ideal for lifting requirements as light as 250kg or 15T and up to 30 meters span. Additionally, we design and manufacture our cranes with adequate safety guidelines in mind, and our products can be designed to match the requirements of both new and existing buildings.
Typical Specifications (These can vary significantly based on the manufacturer and specific application):
- Lifting Capacity: Typically ranges from 1 ton to 10 tons, but some manufacturers may offer higher capacities.
- Span : Can range from 5 meters to over 25 meters, depending on the application and design.
- Lift Height : Determined by the hoist and application requirements.
- Travel Speed : Variable for hoisting, trolley travel, and bridge travel, often with options for single or dual speed, or variable frequency drives for smooth operation.
- Control Options : Typically include pendant push-button controls, radio remote controls, or a combination of both.
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Here's a breakdown of the key features and characteristics of a new single girder crane:
Structural Components:
- Single Bridge Girder : This is the main horizontal beam that spans the width of the crane bay and supports the lifting mechanism. It can be constructed from rolled steel or fabricated as a box girder for increased strength.
- End Trucks : Located at each end of the bridge girder, these assemblies house the wheels that allow the entire crane to travel along the runway beams.
- Trolley and Hoist : The trolley is the unit that moves horizontally along the bridge girder, and it carries the hoist, which is the lifting mechanism itself (typically a wire rope hoist or chain hoist). In single girder cranes, the trolley and hoist are most commonly under-running, meaning they run on the bottom flange of the bridge girder. However, top-running designs are also available.
- Runway Beams : These are fixed structural beams that run the length of the building or a designated area and support the movement of the crane's end trucks.
Advantages of a Single Girder Crane:
- Cost-Effective : Generally less expensive than double girder cranes due to simpler design, less material usage, and lower installation costs.
- Lighter Weight : The single girder design results in a lower deadweight, reducing the load on the building structure and potentially allowing for lighter runway systems.
- Better Hook Approach : Offers improved hook approach, both laterally (trolley travel) and longitudinally (bridge travel), maximizing the usable lifting area.
- Compact and Space-Saving : The design is often more compact and requires less headroom compared to double girder cranes, making it ideal for facilities with limited space.
- Easier Installation and Maintenance : The simpler construction typically leads to easier and faster installation and simplified maintenance procedures.
Considerations:
- Capacity and Span Limitations : Single girder cranes generally have limitations in terms of maximum lifting capacity and span compared to double girder cranes. For very heavy loads or wide spans (typically over 15 tons or 20 meters respectively, though this can vary), a double girder crane might be a better solution.
- Hook Height : Under-running hoists in single girder cranes may offer slightly less maximum hook height compared to the top-running trolleys in double girder cranes.
In summary, a new single girder crane offers a reliable and economical lifting solution for a wide range of light to medium-duty material handling needs. Its simpler design provides benefits in terms of cost, weight, and space efficiency, making it a popular choice for workshops, warehouses, and manufacturing facilities
