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SCS Heavy Lifts - Services - Synchronous Jacking

Synchronous Jacking

Reduces the risk of bending

The synchronous lift system uses feedback from multiple sensors to control the lifting, lowering and positioning of any large, heavy or complex structure regardless of weight distribution.

Synchronous lifting reduces the risk of bending, twisting or tilting due to uneven weight distribution or load-shifts between the lift points. A PLC controller monitors each lift position stroke and optional load transducers located at each lift point.
By varying the oil flow to each lift point the system maintains very accurate positional control. This control maintains structural integrity and can increase the productivity and safety of the lift by eliminating manual intervention in the event of a load-shift or other problem.

Programmable and failsafe monitoring and safety alarms include operating parameters and hydraulic conditions such as oil level and over-temperature. Programmable data recording and “differential-lift” options allow a load to be manipulated into a pre-set position.

 

Characteristics

– Stroke and load controlled movement for positioning and weighing
– Measurement accuracy better than 1.0mm between leading and lagging cylinders
– Data storage and recording capabilities
– Load and stroke alarms for optimal safety
– Integrated 700bar hydraulic pump and controls

 

Typical Synchronous Lifting Applications

– Lifting
– Lowering
– Weighing
– Central point of gravity determination

 

Used for

– Bridge building or maintenance
– Deck lifting & bearing replacement
– De-propping / load transfer from temporary steelwork
– Heavy plant installation
– Incremental bridge launching & box jacking
– Pile testing
– Foundation shoring
– Wind mast aligning on- and offshore

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