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What is a synchronised lifting system and how does it differ to a split flow pump

What is a synchronised lifting system and how does it differ to a split flow pump?

30 Mar 2016

A synchronised lifting system is an electronic system developed for controlled hydraulic movement. It is an electronically managed system where the pressure and extension of a number of cylinders are fed back to a central computer control system. This control system automatically opens and closes directional control valves as required to keep the load level within a set and specific tolerance. The system will therefore compensate for small variations in pump output or differences in cylinder size. A synchronised lifting system is typically used for applications such as bridge lifting or repositioning, lifting and lowering of heavy equipment, leveling of structures and structural testing.

The control system allows manual control of individual cylinders, for set up purposes as well as fully synchronised lifting and lowering. The touch screen display shows monitoring and data logging, and comprehensive safety features are fitted as standard.

A split flow pump, such as the Hi-Force HSP range, is designed to provide a multipoint lifting solution on structure with uneven load distribution. The pump provides nominally equal oil flow to each outlet to lift the load, which provides an adequately equal lift for many applications. However if there is an uneven load distribution, or the cylinder stroke required is particularly long, the small variations in lift are magnified which may result in an uneven lift in some cases. Whilst the HSP range of pumps offers a control hand pendant allowing for independent adjustments to be made to each cylinder as required throughout the lift, a synchronised lifting system may be the more suitable options for the application if greater accuracy is required.

Hi-Force offers a range of HSP split flow pumps throughout its network however synchronised lifting systems are custom designed by the design and engineering team to suit each individual application.