Device for the step-by-step transport of heavy-load units

摘要

The invention relates to a device for the step-by-step transport of heavy-load units. This device comprises a trestle 1 and a substructure 8 which can move relative to one another both horizontally and vertically, the trestle 1 comprising a central hydraulic jack 18 mounted on a carriage 10 which can move in the substructure 8, and comprising a set of second hydraulic jacks 4 mounted in the vicinity of the outer ends of the supports 3 and raising the trestle relative to the ground. Application especially to naval construction sites. <IMAGE>