- Sep 09, 2025
- Case Studies
5-Ton Single Girder Overhead Travelling Crane for Sri Lanka
Looking for a reliable 5-ton single girder overhead travelling crane in Sri Lanka? Discover affordability and efficiency with our top-quality cranes designed for seamless lifting. Elevate your operations today!
The client in Colombo required a lifting solution that was reliable, small, and affordable for a busy warehouse that supported logistics and packing operations. To swiftly load trucks, transport palletized items, and set up packing machinery, they needed a crane. We suggested a 5-ton overhead traveling crane (EOT crane) with a single girder. The warehouse roof structure is compatible with this system. Without overbuilding, it provides the customer with the capacity they require. Throughput is increased by the crane. It reduces handling time. It lowers accidents at work.
Customer Needs
Warehouses and packaging hubs have clear, practical lifting needs. Describe them in actionable terms:
- Move palletized loads quickly from inbound docks to storage.
- Feed packaging machines with heavy components and reels.
- Load and unload light trucks and containers on trailers.
- Reposition equipment for line changeovers.
- Handle occasional awkward or high-value items that forklifts cannot reach safely.
The warehouse requires safe repeatability and predictable cycle times. The crane needs to be able to fit within the structure. Aisles must not be blocked. It ought to provide a high uptime. Controls must be quick to learn for operators.
Why we offered a 5-ton single girder overhead travelling crane program
Cost, performance, and long-term dependability must all be considered when choosing an overhead crane for a client. Without needless expense or complexity, it satisfied the client's operational needs. After carefully assessing the customer's budget, production requirements, and facility architecture, we suggested this crane as a sensible and effective option.
1. Cost-effectiveness
More structural steel is needed for a single girder overhead crane than for a double girder design. In order to save installation costs, it also requires less complicated runway support. Excellent performance at a cheaper initial cost is provided by this design for a mid-range lifting capability of 5 tons. Without going over the entire budget, the savings can be put back into upgraded hoists or more sophisticated control systems, among other upgrades.
2. Building Constraints
Many logistics hubs and warehouses have shorter spans and little headroom. It is simpler to install a single girder design in areas with height limits because it is lighter and smaller. Space usage is further improved by the availability of low-headroom hoist options. This guarantees that the client can optimize storage and workflow effectiveness without being concerned about the crane causing any disruptions to already-existing structures or equipment.
3. Crane Operation
The client's duties include handling warehouses, logistics, and packaging; these operations don't require the intense demands of steel or heavy manufacturing, but they do require frequent lifting cycles. For these applications, a well-specified 5-ton hoist offers more than enough capacity. In order to ensure seamless and effective handling without over-engineering the solution, we carefully matched the duty class and hoist parameters to the customer's anticipated lifting frequency.
4. Maintenance
Single girder cranes have fewer components compared to double girder systems, which means fewer parts subject to wear. This translates into reduced maintenance costs, quicker servicing, and fewer unplanned downtimes. For a company that relies on constant material flow, this dependability is crucial.
In conclusion, the 5-ton overhead travelling crane with a single girder provided the ideal balance of durability, flexibility, and affordability. It provided dependable performance for day-to-day warehouse operations while taking into account the client's space and financial limitations. By selecting this option, the client gains access to a crane system that supports long-term efficiency in addition to meeting short-term demands.
5-ton Single Girder Overhead Crane Design We Provided
We designed and delivered a complete solution tailored for Colombo's warehouse environment. Strength, efficiency, and dependability must all be balanced in a 5-ton single girder overhead travelling crane that blends in perfectly with the customer's building design. Every component, including the hoist, trolley, controls, bridge, and girder, was chosen to provide safe lifting performance with the least amount of downtime. We created a crane system that offers long-term value with low maintenance needs by considering factors like building geometry, lifting frequency, climate, and operator safety.
1. 5-Ton Single Girder Overhead Travelling Crane: Bridge and Girder Design
The crane was intended to be a top-running bridge crane with a single girder. As a result, the bridge moves smoothly and dependably throughout the warehouse bay thanks to tracks that are fixed directly to the runway beams. The actual girder is made of welded I-section steel and is precisely sized to have the necessary span and 5-ton load capability. In order to provide safe and stable performance under maximum loading conditions, engineering standards for bending strength and deflection control were adhered to.
2. 5-Ton Wire Rope Hoist and Trolley Selection
The lifting system uses a 5-ton electric wire rope hoist, chosen over a chain hoist for its better headroom and durability in heavy, frequent use. It is mounted on a motorized trolley that moves smoothly along the girder. A variable frequency drive gives operators precise speed control, preventing jerks and improving load positioning while reducing stress on the equipment. The trolley also has anti-rollback protection and mechanical brakes, adding extra safety during sudden stops or power loss.
3. Controls for the 5-Ton Overhead Crane
The 5-ton overhead crane uses a radio remote as its main control, giving operators safe distance and full handling of lifts. A wired pendant is available as backup for maintenance or tight spaces. Both bridge and trolley drives run on VFD technology, allowing smooth starts and stops that protect the crane and load. This setup makes operation safer, reduces strain on equipment, and improves accuracy when placing goods near racks and conveyors.
4. Safety and Protection Features
The 5-ton crane includes several built-in safety features to protect both operators and equipment. An overload device prevents lifting beyond capacity, while limit switches stop the hoist and trolley at set points. Collision protection is available for multi-crane bays, with bumpers as standard and advanced sensors as an option. Emergency stop buttons on the pendant and remote allow quick response in dangerous situations. The crane follows ASME B30.2 standards, making inspection, certification, and long-term compliance easier.
5. Environmental and Corrosion Protection
The crane was designed to withstand heat, humidity, and salty air in the harsh coastal climate of Colombo. Rust, fading, and surface damage are prevented by a robust paint system that includes an epoxy primer and a UV-protected polyurethane finish. While bearings are grease-lubricated or sealed-for-life to reduce maintenance, motors have sealed IP ratings. Corrosion-resistant materials and stainless steel fasteners shield exposed components. When combined, these steps increase the crane's lifespan, save maintenance expenses, and maintain its dependability under Sri Lankan conditions.
How the 5-Ton Overhead Crane Meets the Warehouse Lifting Needs
1. Faster pallet handling and reduced truck turn-time
The crane moves full pallets from dock to staging faster than manual handling. The 5-ton capacity covers pallet loads and palletized machinery. Radio remote control lets operators place loads directly onto conveyors or into racking without back-and-forth repositioning. The result is fewer touches per pallet and faster truck turnaround.
2. Precise machine feeding for packaging lines
Packaging equipment often needs reels or heavy subassemblies moved into position. The wire-rope hoist with VFD trolley gives home-position accuracy. Smooth starts cut the risk of damaging delicate packaging gear.
3. Improved safety and lower injury risk
The crane eliminates risky two-person lifts. Built-in overload protection and limit switches stop accidental overtravel. Operators are kept clear of pinch zones while running lifts with the remote. These changes reduce reported musculoskeletal injuries and associated costs.
4. Flexibility for mixed goods and awkward loads
Palletized goods and irregular forms can be handled by the crane using slings or specially designed lifting gear. When necessary, the open under-bridge space provides ideal access for forklift transfers.
5. Maintenance
There are fewer parts on a single girder crane that are subject to wear. At five tons, wire rope hoists are sturdy. When combined, they reduce the need for spare parts. The overall cost of ownership is lowered as a result.
