Abstract: Railway maintenance machine for track levelling and alignment, with the capacity to operate without interruptions to its advance on straight tracks, to operate on track turnouts, and with the capacity to tamp the diverging track, characterised in that it comprises a lifting and slewing unit with a duplicated power system at the front end and at the rear end of said unit, where the lifting and slewing unit comprises a lifting trolley (21), with two pairs of hydraulic cylinders (27A and 27B) arranged so as to exert force to lift the track, and a slewing trolley (20) with two pairs of hydraulic cylinders (28A and 28B), arranged so as to exert force to modify the lateral position of the track, where said power system at the front end exerts force to carry out approximately 80% of the levelling and alignment needed by the track and where said power system at the rear end exerts force to carry out the rest of the levelling and alignment needed by the track to reach its definitive position.

Abstract: The invention refers to a machine and a method used to level, align and stabilise the track and compact the ballast bed, producing controlled lifting, so that the load used in the settlement of the rail in its theoretical position falls within the established range, working in an uninterrupted manner. The machine is constituted by two bogies with traction capacity, and front, back and centre control cabins and a rear and frontal measuring tensioner trolleys. The machine has an additional lifting unit whose relative movement with the rest of the machine in controlled by total longitudinal cylinder. The alignment cylinders generate a transversal movement to cause track alignment. Behind this unit according to the direction of work a stabilising unit is situated which consists of two stabilising trolleys. The ground-penetrating radar is situated at the machine front.

Abstract: The invention refers to a machine and a method used to level, align and stabilise the track and compact the ballast bed, producing controlled lifting, so that the load used in the settlement of the rail in its theoretical position falls within the established range, working in an uninterrupted manner. The machine is constituted by two bogies with traction capacity, and front, back and centre control cabins and a rear and frontal measuring tensioner trolleys. The machine has an additional lifting unit whose relative movement with the rest of the machine in controlled by total longitudinal cylinder. The alignment cylinders generate a transversal movement to cause track alignment. Behind this unit according to the direction of work a stabilising unit is situated which consists of two stabilising trolleys. The ground-penetrating radar is situated at the machine front.