Abstract: A mobile ballast cleaning machine comprises a machine frame supporting a ballast excavating and conveying chain, a screening installation and a cleaned ballast redistributing apparatus arranged to receive the cleaned ballast from the screening installation and to redistribute the cleaned ballast at a ballast discharge site behind the ballast excavating site. A cleaned ballast compacting device is arranged at the ballast discharge site, the compacting device comprising a plate-shaped compacting beam extending below the track and transversely thereto to the ballast discharge site, the compacting beam having opposite ends projecting beyond the track, a carrier post supporting each compacting beam end on the machine frame, and a drive connected to each carrier post for continuously reciprocating the compacting beam in a plane extending substantially parallel to the track whereby the cleaned ballast is compacted at the discharge site in a direction opposite to the operating direction.

Abstract: An arrangement for excavating bulk material from a track bed and for conveying the excavated bulk material, which comprises an endless driven excavating and conveying chain vertically adjustably mounted on a frame of a track working machine, and a guide wherein the chain is guided in an endless path. The chain is comprised of a succession of chain links and joints connecting adjacent chain links, the joints having two pivoting axles for the adjacent chain links, the axles extending perpendicularly to each other to permit pivoting of the chain links.

Abstract: A box car for storing bulk material and useful for incorporation in a freight train preceding a ballast cleaning machine for transporting waste material coming from the machine, the box car comprising a frame defining a plane, a box open on top and mounted on the frame for storing the bulk material, and a conveyor band arrangement in a lower portion of the box and extending in the direction of elongation of the box car. The conveyor band arrangement has a width substantially equal to that of the lower box portion and comprises a first portion extending in the plane and an ascending portion extending in this direction from the first portion of the conveyor band arrangement beyond the frame, a drive for the conveyor band arrangement, and a bulkhead partition in the box, the bulkhead partition being displaceable in this direction for dividing the box into compartments. The bulkhead partition has a lower end defining a port with the first conveyor band arrangement portion.

Abstract: A conveyor arrangement for bulk material is mounted on a track for mobility therealong in an operating direction and comprises a longitudinally extending track-bound vehicle and a conveyor arranged on the vehicle for receiving the bulk material. The conveyor has a bulk material storage and conveyor band and a controllable drive for the conveyor band whereby conveyance of the bulk material on the conveyor band may be selectively shut off or controlled for temporary storage of the bulk material thereon.

Abstract: In an arrangement for excavating bulk material and for conveying the excavated bulk material, which comprises a main endless excavating and conveying chain vertically adjustably mounted on a frame of a track maintenance machine, a polygonal guide for the chain, the guide including a transverse section operational below the track, an ascending longitudinal section leading from the transverse section, the transverse and ascending sections forming a transition zone, and a descending longitudinal section leading to the transverse section, and a drive for driving the endless chain in the polygonal guide, an auxiliary endless excavating and conveying chain in associated with the polygonal guide at least in the transition zone, and a separate drive is provided for the auxiliary endless chain.

Abstract: In a mobile ballast cleaning machine comprising a frame, an arrangement for excavating the ballast and for conveying the excavated ballast, a first vibratory and vertically adjustable ballast screening installation mounted on the frame and having an inlet to receive the conveyed ballast from an output of the ballast excavating and conveying arrangement and to separate the ballast into a cleaned ballast component and a waste component, and conveyors for redistributing the cleaned ballast component and for removing the waste component: a further ballast screening installation mounted on the frame, separate drives for vibrating and for vertically adjusting the further ballast screening installation, and a remote-controllable conveyor arranged selectively to receive the ballast from the ballast excavating and conveying arrangement output and to deliver it to an inlet of the further ballast screening installation.

Abstract: A track work train for successively reconditioning ballast bed zones supporting respective assembled track section comprises a track building vehicle and a plurality of freight cars interconnected for common movement along the track. The track building vehicle includes an elongated frame and two undercarriages supporting the vehicle frame for movement on the track. A hoist is mounted on the vehicle frame for lifting an assembled track section off the ballast bed and the vehicle frame spans a ballast bed reconditioning zone resulting from the lifting of the assembled track section off the ballast bed. A vertically adjustably ballast bed excavator is mounted on the vehicle frame adjacent the hoist and a conveyor band is associated with the excavator. The hoist and the excavator with the associated conveyor band are displaceably mounted on a guide track on the vehicle frame for movement along the vehicle frame in the direction of the track.

Abstract: A mobile arrangement for continuously laying a sand layer between a subgrade and ballast of a track bed in a construction section of the track comprises a work vehicle supported on undercarriages mounting the vehicle for mobility on the track in an operating direction. The work vehicle comprises a ballast excavating chain including a chain part receiving the excavated ballast. A ballast conveyor conveys ballast to the track section in the operating direction has an output end discharging the conveyed ballast in the track section. A device for planing the sand layer leads the output end in the operating direction, and a sand conveyor conveys sand to the track section in the operating direction. The sand conveyor has an output end discharging the conveyed sand in the track section and laying the sand layer, the output end being positioned between the excavating chain part and the planing device, and the ballast and sand conveyors in their entirety trailing the chain part in the operating direction.

Abstract: A train of railroad cars for receiving, transporting and discharging bulk material, comprising a succession of cars coupled together for movement along a track in an operating direction, each one of the cars having a frame and a last one of the cars in the operating direction constituting a loading station for the bulk material. A plurality of transport containers for the bulk material is arranged on the car frames, a continuous track extends on the frames of the succession of cars along the train in said direction laterally of the containers, and a mobile gantry crane is mounted on the track for movement therealong to the loading station. A first elongated conveyor for respective ones of the containers is mounted on the last car between the track.

Abstract: In a track working machine for removing excess ballast from a ballast bed arranged to support a track defining a plane and for planing the ballast of the bed, which comprises a frame, undercarriages supporting the frame on the track for movement in a working direction, an improved ballast removing and planing device is mounted vertically adjustably on the frame and includes an endless ballast removing chain comprised of a multiplicity of chain members extending substantially parallel to the track plane, two chain reversing points about which the chain is trained for movement in a plane extending substantially vertically to the track plane, and a drive for moving the chain in the vertical plane and having an axis extending substantially parallel to the track plane, the chain having an upper and a lower stringer, the lower stringer facing away from the frame and projecting forwardly of the upper chain stringer in the working direction.

Abstract: An apparatus for operating transport vehicles movable along a track carried by a train of railroad cars to and from a transfer station for loading the vehicles comprises a signalling arrangement including an emitter of perceptible stop-and go-signals for a respective transport vehicle. The signal emitter is positioned at the transfer station within the range of perception of the transport vehicle.

Abstract: A traveling gantry arrangement for receiving, storing and transporting sets of transversely positioned track ties on a vertically adjustable tie carrier frame has a pair of tie-engaging grippers arranged on the frame for power-driven movement transverse to the track into engagement with the respective tie ends. The tie engaging grippers have support faces of a first width subtending the tie ends, and a pivotal support ledge for each tie end is associated with each tie engaging gripper. The support ledge has a second width substantially exceeding the first width, the widths being measured transverse to the track. A pivot extends in the direction of the track for pivotally supporting a respective support ledge for pivoting in a plane transverse to the track, and a drive pivots the support ledge about the pivot in the transverse plane.

Abstract: A mobile track laying apparatus comprises an elevator on a vehicle movement along a right-of-way for lowering a succession of ties, a roller and gliding conveyor receiving the lowered ties and laying the ties on the ballast as the vehicle moves along the right-of-way in an operating direction, and a guide wheel power-driven to rotate about a horizontal axis extending transversely to the right-of-way, the guide wheel having a plurality of radially extending abutment and entrainment elements arranged to interdigitate between the successively lowered ties in an end region of the conveyors adjacent the ballast.

Abstract: A track renewal train of a plurality of track-bound freight cars storing ties removed from an old track section and ties to be laid for a new track section comprises a work car whose front frame end is pivotally supported on a last freight car. Elongated conveyors are mounted on the work car for conveying the old ties from a tie removing device and the new ties to a tie laying device. A tie transfer vehicle has front and rear gantry undercarriages, the front gantry undercarriage being movable only on the last freight car and the rear gantry undercarriage being movable only on the work car. The tie transfer vehicle includes two tie gripping devices arranged successively in the working direction of the train for simultaneously receiving the old ties and delivering the new ties while the ties are positioned transversely to the old track section.

Abstract: A track renewal train includes a semi-trailer work car which carries track renewal equipment and includes two selectively usable undercarriages for supporting the rear end of the work car. One of the undercarriages is an off-track track-laying bogie supporting the work car on the trackless section where track renewal is effected and the other undercarriage is a vertically movable on-track bogie. A selectively usable on-track bogie supports the forward end of the work car when it is linked thereto, the forward work car end being linked to the last car of the train during track renewal operations.

Abstract: A mobile track renewal train comprises a bridge-like elongated carrier frame supported on an old and a new track section on respective on-track undercarriages and bridging an intermediate trackless ballast bed section. A chain guide including a transversely extending guide section is mounted on the carrier frame and encloses a space, the chain guide rising from the transverse guide section adjacent the ballast bed on an upper portion, and an endless excavating chain is supported for movement in the chain guide to excavate ballast from the bed. The carrier frame also supports a tie laying device for laying new ties in a position extending transversely to the carrier frame and a conveyor for transporting the new ties in succession to the tie laying device, the tie laying device being positioned in the enclosed space and the conveyor having a path extending through the space towards the tie laying device.

Abstract: A mobile apparatus for transporting track ties comprises a traveling gantry with a frame on which the track ties are received, stored and transported. This frame includes a tie carrier frame mounted for vertical adjustment on the gantry frame, two tie holders mounted on the carrier frame in superposed relationship for simultaneously receiving, storing and transporting two superposed layers of ties, each tie holder having a pair of tie engaging elements arranged for movement transverse to the direction of track elongation into engagement with respective tie ends in a respective layer, the vertical spacing between the pairs of tie engaging elements corresponding to that of the superposed layers of ties, and a separate drive for transversely moving the tie engaging elements of each tie holder. A common power source is connected to the transverse moving drives, a drive for moving the gantry in the direction of track elongation and a drive for vertically adjusting the tie carrier frame on the gantry frame.

Abstract: A track laying car has a rear undercarriage for moving the car in a working direction on the track rails and track-laying bogie for selective engagement with the ballast bed for moving the car on the ballast bed in the absence of a track for the rear undercarriage. An endless scraper conveyor chain is vertically adjustably mounted on the car and includes a transverse stringer arranged for engagement with the ballast bed for planing the ballast bed and conveying excess ballast from the planed bed, the stringer being arranged in front of the bogie. A tie conveyor is mounted on the car to convey ties in a direction opposite to the working direction to the planed ballast bed behind the bogie and to lay the conveyed ties sequentially on the planed ballast bed, and a ballast conveyor moves in a path arranged to enable the ballast conveyor to receive the excess ballast and to convey it in a direction opposite to the working direction to the rear end of the car where the ties have been laid on the planed ballast bed.

Abstract: A track renewal train comprised of a plurality of rail freight cars has coupled to its last car a bridge-like car having at respective ends thereof a rail-bound front undercarriage and a rail-bound rear undercarriage, and a track-laying bogie running on the ballast bed intermediate the undercarriages, the bridge-like car being supported with the front undercarriage on a track consisting of old ties and rails, on which the train moves in a working direction, and with the bogie on the ballast bed. Hoists are mounted on the bridge-like car for lifting separated sections of the old track and the lifted track sections are conveyed to selected freight cars.