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Pre-Loading Bridge Cables with a Battery Powered Hydraulic Pump

Customer

ALE Heavy Lift

Location

Erlangen, Germany

Challenge

ALE Heavy Lift was tasked with skidding an 800 ton railway bridge over a highway using skidding equipment and steel strands. The steel strands were used as diagonals within the skidding towers and as a connection in a longitudinal direction between the skidding supports. Before the bridge could be skided onto the towers, more than 20 cable strands had to be pre-loaded to the same tension.

Solution

A RCH-Series hollow hydraulic cylinder powered by an XC-Series hydraulic pump was used to pre-load the cables. Due to the quantity and access restrictions of the cables, a battery powered pump provided an ideal solution; portable, fast and safe.

Products

RCH-Series Hollow Plunger Cylinder, XC-Series Battery Pump