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Air Cargo Lifts Handle Large Containers

A major logistics company required a loading dock solution for transferring extremely large and heavy air cargo containers between variable truck bed heights and a fixed dock height.

The Challenge

As one of the world’s largest shipping/logistics companies, FedEx required a lifting solution that could safely and efficiently transfer air cargo containers of various sizes between ground level and dock elevation at its distribution centers and terminals. In finding the right solution, Autoquip faced multiple challenges, including strict performance criterion that would provide uninterrupted and reliable service, and a useful life of 10 years or more under extremely rigorous operating conditions. Several of the design challenges associated with this dock lift application: 1. Must lift/transfer containers weighing up to 15,000 lbs with minimal deflection 2. Containers sizes vary, up to 12 ft x 12 ft 3. Must be able to manually transfer containers between trucks and building 4. Manual stops and locks must be utilized to prevent unintentional container movement 5. Redundant systems must be in place in lieu of motor failures or electrical outages 6. Must be able to withstand severe/outdoor operating conditions

The Autoquip Solution

The design team at Autoquip utilized an American Lift scissors design to effectively meet all the performance requirements of this severe duty application. In order to handle the extremely large, extremely heavy loads with minimal deflection, a heavy-duty scissors leg assembly was designed utilizing large, structural steel tubing leg material, captured scissors rollers, and a one-piece axle pin. The large platforms required for this application were designed to optimize operator safety, as well as product stability. Platforms are equipped with a non-skid walkway, roller conveyor deck, OSHA-compliant personnel guard rails, and manually-operated pallet stops. Other premium lift features providing durability and longevity include self-aligning hydraulic cylinders, high-impact self-lubricated bushings, structural steel cross-members at every pinned joint, and low-pressure hydraulic circuit. Basic Equipment Specifications: • Lift Model: 49AC150-13 • Lifting Capacity: 15,000 lbs. • Platform Size: 156" x 156" with non-skid walking surface, roller transfer deck, manual pallet stops, and OSHA-compliant guard rails • Vertical Travel: 49" • Lifting Speed: 7 FPM • Redundancies: redundant hydraulic power unit; manual override “Down” valve

Solution Benefits

Through the use of this heavy-duty dock lifting solution, the customer has experienced improved performance in the transfer of large containers between delivery trucks and terminal building with minimum downtime and a wide variety of container sizes. The entire operation can be accomplished by one operator, and the personnel safety features have effectively prevented lost-time work accidents.

Published: 08/30/2012
Tags: Logistics , Air Cargo Lift , Hydraulic Lifts , Custom Lifts , TorkLift , Dock Lifts , Docks , Conveyor , Work Platform Lifts , Work Platforms , AUTOQUIP SCISSOR LIFT TABLES , High Capacity Lifts

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