Abstract: A track renewal machine comprises an elongated machine frame supported on undercarriages for mobility in an operating direction, a device for receiving ties of an old track mounted on the machine frame, a device for planing the ballast bed mounted on the machine frame, the planing device comprising a planing shield extending transversely to the machine frame and two transversely spaced boundary shields extending in the longitudinal direction at respective sides of the planing shield, and a device for laying ties of a new track mounted on the machine frame and positioned between the boundary shields.

Abstract: A mobile apparatus for loading and transporting an assembled track section and for laying the track section on a track bed comprises a track section hoisting device comprising an elongated carrier frame extending in the longitudinal direction of the track bed, pairs of lifting jacks spaced from each other in said direction, and drives for vertically adjusting the lifting jacks between a retracted position and an extended position in which the lifting jacks support the carrier frame on the track bed. An elongated transport car for supporting an assembled track section and the hoisting device is movable in this direction independently of the hoisting device. The elongated carrier frame and transport car each are comprised of two parts connected by a pivot between their opposite ends for pivoting the parts relative to each other about a vertical axis.

Abstract: A mobile arrangement for rehabilitating a ballast bed by installing a protective layer between a subgrade and layer of ballast at a construction site of the track includes an excavation unit for continuously removing old ballast from the ballast bed to expose the subgrade and a rock crusher unit which receives at least a portion of withdrawn old ballast for comminution thereof. Comminuted old ballast is then laid over the exposed subgrade for forming at least part of the protective layer.

Abstract: A mobile working machine for treatment of a ballast bed or subgrade for a ack comprised of rails fastened to ties includes a machine frame which is defined by a longitudinal axis and supported by undercarriages for movement in an operating direction along a track, and a track lifting unit which is vertically adjustably mounted to the machine frame between two undercarriages for lifting the track. The track lifting unit includes a load-bearing member which extends perpendicular to the longitudinal axis of the machine frame and has a length exceeding a tie length. The load-bearing member forms with its drives a structural unit, which encircles the track in a direction transversely to the machine frame during operation and is solely supported by the machine frame, and has a rolling element which is rotatable about an axis transverse to the longitudinal axis of the machine frame for providing a support for the ties of the track.

Abstract: A car for transporting a track switch comprises a beam-shaped frame, undercarriages supporting the beam-shaped frame on track rails, the undercarriages having axles extending perpendicularly to the longitudinal direction and the beam-shaped frame being centered with respect to the axles. At least two track switch loading platforms are mounted on the beam-shaped frame for pivoting about an axis extending in the longitudinal direction, the loading platforms being spaced from each other in the longitudinal direction. At least two drives link each loading platform to the beam-shaped frame for pivoting the loading platform, and fastening elements are provided for detachably connecting a track switch to the loading platforms for transporting the track switch.

Abstract: A loading wagon (1) for the transport, storage and discharge of bulk material has a wagon frame (2) supported on on-track undercarriages (3) and a wagon body (5) connected to the wagon frame, there being arranged in the base region of the wagon body a base conveyor belt (7) having a drive (11). Provided adjacent thereto is a transfer conveyor belt (8) which projects over the end of the wagon frame, has an elevated discharge end (9) with respect to the wagon frame (2), and which is provided with a drive (12), with a storing or transporting direction (31) running from the base conveyor belt (7) to the transfer conveyor belt (8). An outlet opening (14) for discharging the bulk material onto the track is provided beneath the base conveyor belt (7). The drive (11) for the base conveyor belt (7) or the transfer conveyor belt (8) is designed for selective operation in the first transporting direction or in a second transporting direction running in the opposite direction thereto.

Abstract: A track-bound freight car comprises a longitudinally extending machine frame, an undercarriage at each machine frame end, a conveyor band extending obliquely with respect to the track plane and above the machine frame in the longitudinal direction of the machine frame, the conveyor band having a lower input end above one of the undercarriages and a higher output end above the other undercarriage. At least one of the conveyor band ends is displaceable transversely to the longitudinal direction with respect to the undercarriage at said one conveyor band end and a transverse displacement drive is connected to the one conveyor band end for effectuating the displacement. Parallel side walls extend in the longitudinal direction along the conveyor band, the conveyor band constituting the bottom of a storage space defined between the side walls.

Abstract: A machine for renewing and laying a railway track comprises an elongated machine frame and undercarriages supporting the machine frame at the ends thereof. The undercarriages include at one of the machine ends an undercarriage which is vertically adjustable relative to the machine frame and detachable therefrom, the vertically adjustable undercarriage not being track-bound, and a track-bound undercarriage which is arranged adjacent the vertically adjustable undercarriage and is detachable from the machine frame. A first coupling detachably mounts the vertically adjustable undercarriage on the machine frame and a second coupling is provided at the track-bound undercarriage for mounting the vertically adjustable undercarriage on the machine frame.

Abstract: A transport wagon (1) is provided with a wagon frame (4) supported on on-track undercarriages (2) and a conveyor belt (8) extending in the longitudinal direction of the wagon and arranged so as to be inclined relative to the track plane, forming a lower-lying receiving end (11) and an elevated discharge end (12), with which side walls (13) are associated, extending in the longitudinal direction of the conveyor belt, to delimit laterally and form a storage space (14). The wagon frame (4) is formed from a number of frame parts (5) disposed one behind another in the longitudinal direction of the wagon, joined together in an articulated manner in each case in the region of an on-track undercarriage (2), forming an articulation point (6), and having respective individual conveyor belts (8).

Abstract: A loading car for receiving, conveying and discharging bulk material onto a bulk material freight car comprises an elongated machine frame end and undercarriages supporting the machine frame on a track for mobility therealong in an operating direction. An inclined, elongated conveyor band arrangement for the bulk material is mounted on the machine frame and has a lower receiving end including a hopper arranged to receive bulk material for upward conveyance by the conveyor band arrangement, and a drive is provided for vertically adjusting the rear undercarriage relative to the machine frame.

Abstract: A mobile track working machine arrangement comprises two consecutively arranged, independent track working vehicles, each track working vehicle comprising an elongated two-part machine frame, the two parts of the machine frame being linked by a pivot for pivoting of one part in relation to the other part about a horizontal axis extending perpendicularly to the track, and undercarriages supporting the machine frame on the track. A ballast excavating device is vertically adjustably mounted on the machine frame of a first track working vehicle for excavating the ballast supporting the track whereby the subgrade is exposed, and a conveyor arrangement is mounted on the machine frame of the first track working vehicle for removing the excavated ballast. A device for planing and compacting a protective layer of sand on the subgrade is mounted on the machine frame of the second track working vehicles.

Abstract: A track is progressively renewed in an operating direction by continuously lifting the used track rails from the used ties, replacing the old ties by new ties and laying new rails on the new ties. Before the new rails are laid, adjoining ends thereof are continuously welded together behind the location where the ties are exchanged and the welded rails are exchanged for the used rails.

Abstract: A freight car comprises an elongated frame supported on undercarriages, an elongated box for holding bulk material, the box being mounted on the frame and having a bottom and an open top, an elongated conveyor at the bottom of the box for transporting the bulk material in a conveying direction, the conveyor having an input at one end of the box and an output at a box end opposite to the one end, and a transfer conveyor extending in the conveying direction and arranged to receive the transported bulk material from the output of the conveyor, the transfer conveyor having a free end projecting beyond the opposite box end. A centering device is arranged at the one box end transversely displaceably with respect to the elongated frame and transfer conveyor, the free end of a transfer conveyor of a like freight car coupled to the frame at the one box end being detachably connectable to the centering device, and a remote-controlled drive is provided for transversely displacing the centering device.

Abstract: A freight car for transporting and storing bulk material, comprises an elongated frame supported on undercarriages running on a track, an elongated box mounted on the frame for storing the bulk material, a conveyor band at the bottom of the box for transporting the stored bulk material, the conveyor band extending in the longitudinal direction of the box and having an input end and an output end, and a transfer conveyor adjoining the conveyor band at the output end, the transfer conveyor extending in the longitudinal direction of the box and being arranged to receive the transported bulk material from the conveyor band. The transfer conveyor has a free discharge end projecting beyond the elongated frame and is freely pivotal transversely to the longitudinal direction about a vertical axis in a first range within the side walls of the box and a second range beyond the side walls. A blocking device is arranged for selectively limiting the first and second pivoting ranges of the transfer conveyor.

Abstract: A track-bound freight car comprising a box for storing bulk material, the box having a bottom portion and comprising a longitudinally extending conveyor in the bottom portion of the box, a carrier frame bearing the conveyor, the conveyor and carrier frame having a width exceeding the width of the bottom portion of the box car, and two longitudinally extending side walls, at least a lower portion of the side walls adjacent the conveyor being pivotal about a longitudinally extending axis away from the conveyor, or a lower side wall portion being detachable.

Abstract: A ballast cleaning machine comprises a machine frame comprising two frame parts, one of the ends of one machine frame part adjoining one of the ends of the other machine frame part while the machine frame part ends opposite to the one ends are remote from each other, and the adjoining machine frame part ends being pivotally linked to each other for pivoting about a vertical axis. Respective undercarriages support the machine frame on the track, two of the undercarriages being arranged at the remote machine part ends and a third one of the undercarriages being arranged on one of the machine frame parts in the range of the vertical pivoting axis.

Abstract: A ballast cleaning machine comprises a chain for excavating the ballast and for conveying the excavated ballast to a discharge end, a screening installation arranged to receive the excavated ballast from the discharge end of the excavating and conveying chain, and to clean the received ballast by separating waste therefrom. The screening installation comprises a supporting frame and two sets of vibratory screens extending obliquely with respect to the track in the direction of elongation of the machine, the sets of screens being arranged sequentally in said direction and having a common inlet area receiving the ballast from the chain at a respective upper end of each set of screens, the two sets of screens having facing sides adjacent each other and the obliquely extending screens descending from the respective upper end whereby the screens of the two sets enclose an angle.

Abstract: A machine for cleaning ballast along the shoulders of a railroad track, which comprises a machine frame, an endless ballast excavating and conveying chain vertically adjustably mounted at each machine frame side, a ballast screening installation arranged to receive the excavated ballast conveyed by the endless chains, and a ballast loosening and excavating device preceding each endless ballast excavating and conveying chain in the operating direction of the machine and vertically adjustably mounted on the machine frame. Each device includes a ballast loosening and excavating tool arranged to project below a respective tie end in a vertically adjusted operating position and a ballast guide plate arranged adjacent the tool for receiving the loosened and excavated ballast therefrom and guiding it transversely outwardly from the tie end whereby a ballast heap spaced from the tie end in longitudinal alignment with each chain is produced for excavation and conveyance by the chain.

Abstract: A mobile apparatus for loading, transporting and laying an assembled track section comprises a track section carrier comprising an elongated carrier frame, track section gripping and holding devices mounted on the elongated carrier frame, and two pairs of transversely opposite lifting jacks arranged on the carrier frame for lifting and lowering the carrier frame, the jacks of each pair being fixedly connected to each other and the pairs of jacks being widely spaced from each other in a longitudinal direction to provide a high stability during lifting and lowering of the carrier frame. A self-propelled auxiliary vehicle is movable independently of the track section carrier and comprises a flatbed frame having two opposite ends and capable of receiving and supporting the carrier with the assembled track section gripped and held thereon, and a track-bound undercarriage and an off-track undercarriage at each end of the flatbed frame.

Abstract: A mobile apparatus for loading, transporting and laying an assembled track section comprises a self-propelled main vehicle comprising an elongated carrier frame, a pair of transversely aligned flanged wheels at each end thereof for engagement with, and support on, the rails of the assembled track section, a pair of lifting jacks at each carrier frame end associated with the flanged wheels, and a device for gripping the track section rails associated with each flanged wheel and associated lifting jack, the lifting jack being placeable on the track bed and operable to lift the carrier frame and flanged wheels with the assembled track section gripped by the rail gripping devices off the track bed, and an auxiliary self-propelled vehicle movable independently of the main vehicle and comprising a flatbed frame capable of receiving and supporting the carrier frame and flanged wheels of the main vehicle with the assembled track section gripped by the rail gripping devices, a track-bound undercarriage with flanged wh