US3872929A - Method and apparatus for stablizing the sub-grade of a railroad ballast bed - Google Patents

Method and apparatus for stablizing the sub-grade of a railroad ballast bed Download PDF

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Publication number
US3872929A
US3872929A US452203A US45220374A US3872929A US 3872929 A US3872929 A US 3872929A US 452203 A US452203 A US 452203A US 45220374 A US45220374 A US 45220374A US 3872929 A US3872929 A US 3872929A
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Prior art keywords
sand
ballast
grade
sub
separated
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US452203A
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English (en)
Inventor
Josef Teurer
Karl Folser
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Franz Plasser Bahnbaumaschinen Industrie GmbH
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Franz Plasser Bahnbaumaschinen Industrie GmbH
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B27/00—Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers
    • E01B27/12—Packing sleepers, with or without concurrent work on the track; Compacting track-carrying ballast
    • E01B27/13—Packing sleepers, with or without concurrent work on the track
    • E01B27/16—Sleeper-tamping machines
    • E01B27/18—Sleeper-tamping machines by introducing additional fresh material under the sleepers, e.g. by the measured-shovel method, by the blowing method
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B27/00—Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers
    • E01B27/02—Placing the ballast; Making ballastway; Redistributing ballasting material; Machines or devices therefor; Levelling means
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B27/00—Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers
    • E01B27/02—Placing the ballast; Making ballastway; Redistributing ballasting material; Machines or devices therefor; Levelling means
    • E01B27/022—Placing the ballast; Making ballastway; Redistributing ballasting material; Machines or devices therefor; Levelling means by devices moving on the track with or without spreading or levelling
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B27/00—Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers
    • E01B27/06—Renewing or cleaning the ballast in situ, with or without concurrent work on the track
    • E01B27/10—Renewing or cleaning the ballast in situ, with or without concurrent work on the track without taking-up track
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2203/00—Devices for working the railway-superstructure
    • E01B2203/01—Devices for working the railway-superstructure with track
    • E01B2203/012—Devices for working the railway-superstructure with track present, i.e. in its normal position
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2203/00—Devices for working the railway-superstructure
    • E01B2203/02—Removing or re-contouring ballast
    • E01B2203/024—Inclined chain
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2203/00—Devices for working the railway-superstructure
    • E01B2203/04—Cleaning or reconditioning ballast or ground beneath
    • E01B2203/045—Cleaning or reconditioning ballast or ground beneath the ballast having been taken up
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2203/00—Devices for working the railway-superstructure
    • E01B2203/04—Cleaning or reconditioning ballast or ground beneath
    • E01B2203/047—Adding material, e.g. tar, glue, protective layers
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2203/00—Devices for working the railway-superstructure
    • E01B2203/06—Placing ballast
    • E01B2203/065—Re-use of ballast
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2203/00—Devices for working the railway-superstructure
    • E01B2203/08—Levelling ballast or ground beneath
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2203/00—Devices for working the railway-superstructure
    • E01B2203/14—Way of locomotion or support
    • E01B2203/141—Way of locomotion or support on the track to be treated

Definitions

  • ABSTRACT The sub-grade of a railroad ballast bed is stablized by depositing sand on the bed, removing the sand and ballast in admixture with an excavating bucket conveyor until the sub-grade has been exposed, the sand and ballast are separated from each other on a screen which receives the admixture, and two endless conveyors mounted below the screen convay the separated sand and ballast to the exposed sub-grade to deposit the separated sand thereat at a point ahead of a succeeding point where the separated ballast is deposited, thus depositing the ballast on a layer of sand in terposed between the sub-grade and the ballast.
  • a substantial factor in the quality and durability of a railroad ballast bed is the nature of the sub-grade.
  • Subgrade soil which is water-impermeable causes water stagnation after precipitation and subsequent softening of the soil.
  • the lowest pieces of ballast accordingly penetrate into the softened sub-grade soil, thus slowly lowering the level of the bed and causing misalignments in the track grade.
  • British Pat. No. 1,174,930 published Dec. 17, 1969, proposes to remove a part of the sub-grade soil during a ballast cleaning operation, in which the ballast is excavated forcleaning, to mix the soil with suitable additives and binders, and then to deposit the reinforced soil again before the cleaned ballast is laid down.
  • This avoids the need for large amounts of sand and makes the transport problem easier to solve so as to make continuous operations possible.
  • the method is not economical because of the high price of the required additives to strengthen and consolidate the soil.
  • the chemical and mechanical strength of the treated sub-grade soil is not assured for a long period of time.
  • the present invention also provides an apparatus for stabilizing the sub-grade of a railroad ballast bed supporting ties fastened to track rails.
  • the apparatus comprises means for removing a mixture of sand and ballast from the bed to leave an exposed section of the subgrade, and screening means associated with the removing means.
  • the screening means receives the removed mixture and separates the sand from the ballast, and at least two endless conveyors are mounted below the screening means to receive the separated sand and ballast, to convey the separated sand and ballast to the exposed sub-grade section and to deposit the separated sand thereat at a point ahead of the succeeding point where the separated ballast is deposited.
  • Means are also provided for sweeping sand off the ties and for planing the sand on the exposed sub-grade, which means are arranged between these points.
  • FIG. 1 is a schematic side elevational view of a mobile apparatus according to the invention and FIGS. 2 to 4 are enlarged views of structural details of the apparatus at the points of sand and ballast deposit in side elevational, top and front views, respectively.
  • the illustrated apparatus comprises frame I mounted on undercarriages 2, 2 for mobility on rails 3 of the track which are fastened to ties 4 resting on ballast bed 5.
  • the ballast is supported on sub-grade soil 6.
  • sand 7 is first deposited on the ballast bed 5, whereupon the sand and ballast are removed or excavated in admixture by a conventional excavating chain or bucket conveyor 8 until the sub-grade has been exposed.
  • ballast removing or excavating means are well known in the art of cleaning ballast, as is screening means 10associated with the removing means. Screen 10- receives the mixture of sand and ballast, and separates the sand! from the ballast.
  • the separated sand is then deposited in a layer on the exposed sub-grade and the separated ballast is deposited on the layer of sand so that the layer of sand comes to be interposed between subgrade 6 and ballast 5.
  • the means for removing or excavating the mixture of ballast and sand from the bed beneath the track to leave an exposed section of the sub-grade is designated as 8 and, as is common in the ballast cleaning art, the illustrated excavating means is a conventional endless bucket conveyor supported on frame 1 by hydraulic jack 9 to enable the conveyor to be vertically adjusted.
  • screening apparatus 10 is associated with the removing means 8, being mounted under the upper end of the removing means and rearwardly thereof, in the working direction, to receive the mixture of sand and ballast from the screening apparatus and to separate the sand from the ballast.
  • a guide or baffle means 11 arranged at the rear end of the screening apparatus serves to direct the separated sand and ballast separately to the associated portion of endless conveyor means.
  • the conveyor means comprises two endless conveyor bands each comprising a center dividing web 12a keeping the sand and the ballast separated during conveyance on adjacent portions of the conveyor bands. As shown in FIG. 4, one endless conveyor band 12 is associate with each track rail 3, the conveyor band portions facing the center of the track conveying sand 7 while the outwardly facing conveyor band portions convey ballast 5.
  • each endless conveyor band 12 may be useful to provide means for pivoting each endless conveyor band 12 in a substantially horizontal plane, as shown in broken lines in FIG. 3, so as to facilitate the even distribution of ballast and sand over the entire width of the bed.
  • Guiding device 13 is associated with the output end of each conveyor band 12 and is arranged to direct ballast vertically downwardly, the illustrated guiding device, as best shown in FIG. 3, consisting of a segmental hood hinged to the output end of the conveyor to force the ballast vertically downwardly in the direction of the downwardly pointing arrows.
  • the sand on the other hand, is thrown free off the output end of the conveyor in a parabolic path, as indicated by the paraboliform arrows in FIG. 2.
  • the separated sand is deposited on the exposed sub-grade section at a point ahead ofthe succeeding point where the separated ballast is deposited, thus causing a layer of sand to be formed on the sub-grade and the ballast to be laid on topof the layer of sand.
  • the path of the ballast may be adjusted by suitably pivoting hood 13, for instance, and the parabolic path of the sand may be changed by changing the speed of the conveyor band, if desired, thus adjusting the paths of the sand and ballast, depending on the nature of these materials.
  • Planing means 14 is arranged between the points of deposit of the sand and the ballast so that the deposited sand may be suitably planed down and compacted into a substantially even layer.
  • Yielding jack 15 adjustably mounts the planing means on bucket conveyor 8 so as to enable the position of the planing means to be adjusted in conformity to the surface configuration of the sub-grade.
  • a vibratory motor may be associ ated with the planing means to assure increased compaction of the sand layer.
  • the width of the planing means 14 exceeds the length of ties 4 so that the planing means extends beyond the tie ends and provides an even and smooth support for the entire width of the ballast bed.
  • the planing means may be so shaped as to provide a different sand layer'profile, such as a layer which is thicker underneath the rails and thinner therebetween.
  • Sweeping means is also arranged between the points of deposit of the sand and the ballast to sweep sand off the ties, the illustrated sweeping means comprising a sweeping device 16 associated with each track rail.
  • Each sweeping device comprises longitudinal carrier 18 extending along and above each rail 3 to cover the same and four successive plow-like wiping plates 17 mounted on the carrier and extending transversely thereof, each in the shape of an arrow head and extending in oblique planes.
  • the lower edges of the wiping plates are closely adjacent the upper faces of ties 4 so that, as the apparatus moves forwardly, the plates will sweep off any sand deposited on the ties and throw it unto the bed.
  • the wiping plates serve to direct the sand in its parabolic path downwardly.
  • the carrier 18 protects the rails from falling sand and ballast, and also protects the area of the ties where the railfasteners are from being covered by sand, this area not being reached by the wiping plates.
  • the above-described apparatus operates in the following manner:
  • a desired amount of sand is deposited on an existing ballast bed which, if desired, was previously cleaned. Normally, about 1 ton of sand per meter of track will suffice.
  • This first step in the operation causes practically no interruption in train traffic since a number of sand-carrying trains may be used to lay down the sand as they move over the track, and trains may freely move over all track sections on which sand has been deposited (as shown at the left side of FIG. I).
  • the mobile apparatus of the present invention is moved into position so that the excavating means 8 may remove the sand 7 and ballast 5 in admixture until the sub-grade has been exposed.
  • the removed sand and ballast are conveyed by bucket conveyor 8 to screening apparatus 10 where the sand and the ballast are separated from each other.
  • the baffle device 11 guides the separated sand to the two inwardly facing portions of the two endless conveyor bands l2, 12 while guiding the separated ballast to the two outwardly facing conveyor band portions.
  • the sand is thrown off the conveyors in an initially substantially horizontal path which then becomes parabolic and intersects wiping plates 16, the latter forcing the sand vertically downwardly onto the exposed sub-grade.
  • the arrangement of the two adjacently running conveyor bands 12, 12 makes it possible to reduce the length of the track section remaining unsupported by ballast to a minimum, thus assuring a machine length between the two undercarriages which is not excessive. This is an important consideration in dimensioning the support structures of the apparatus.
  • the apparatus frame may carry further ballast working tools, as may be desired in ballasting operations.
  • a particularly simple structure is obtained in the illustrated embodiment by arranging the conveying means as endless conveyor bands l2, 12 for pivoting in a horizontal plane, mounting a center dividing web on each conveyor band to keep the sand and ballast separated during conveyance, and to use a guiding device for the ballast at the output end of the conveyors. It would also be possible to provide a single endless conveyor provided with two dividing webs dividing the conveyor into a center portion and two side portions, the center portion conveying the separated sand and the two side portions conveying the separated ballast. Such a single conveyor would extend substantially over the entire width of the track bed and would be driven by a single power source. However, two separate conveyors, each associated with a respective rail, are lighter in weight than a single massive conveyor.
  • the thickness of the deposited sand layer may be kept as constant as possible by mounting the planing means 14 vertically adjustably. Thus, if the sub-grade surface is uneven, it will force the planing means up and down in conformity with the sub-grade surface configuration so that the thickness of the sand layer will remain unchanged.
  • ballast will be deposited on the sand layer in a rather even layer, even without special smoothing operations, particularly since the wiping plates 17, which sweep sand and ballast off ties 4, also have the effect of smoothing the surface ofthe ballast layer.
  • additional plow means may be mounted on the apparatus or follow the same to provide any desired ballast bed profile.
  • the bed provides a sufficiently firm track sup port to enable conventional mobile track correction apparatus to travel over the track for leveling and/or lining the same.
  • a method of stabilizing the sub-grade ofa railroad ballast bed comprising the sequential steps of l. depositing sand on the ballast bed,
  • An apparatus for stabilizing the sub-grade of a railroad ballast bed supporting ties fastened to track rails comprising 1. means for removing a mixture of sand and ballast from the bed to leave an exposed section of the sub-grade,
  • screening means associated with the removing means, the screening means receiving the mixture and separating the sand from the ballast,
  • the conveyor bands each comprising a center dividing web separating the sand and the ballast on adjacent portions of the conveyor band to convey the separated sand and ballast to the exposed sub-grade section and to deposit the separated sand thereat a point ahead of a succeeding point where the separated ballast is de posited,
  • ballast guiding device associated with each conveyor band at the succeeding point.
  • the means for sweeping sand off the ties comprises a longitudinal carrier means extending along and above each of the track rails, and a plurality of successive plow-like wiping plates mounted on the carrier means and extending transversely thereof.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
US452203A 1973-04-16 1974-03-18 Method and apparatus for stablizing the sub-grade of a railroad ballast bed Expired - Lifetime US3872929A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT333873A AT332442B (de) 1973-04-16 1973-04-16 Anordnung und verfahren zum stabilisieren des unterbauplanums von gleisbettungen unter verwendung einer solchen anordnung

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US (1) US3872929A (fr)
AT (1) AT332442B (fr)
CA (1) CA1005278A (fr)
CH (1) CH574012A5 (fr)
DD (1) DD110321A5 (fr)
DE (1) DE2331914C2 (fr)
ES (1) ES425375A1 (fr)
FR (1) FR2225573B1 (fr)
GB (1) GB1459244A (fr)
HU (1) HU168836B (fr)
IT (1) IT1010734B (fr)
RO (1) RO80993B (fr)
ZA (1) ZA741962B (fr)

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4043398A (en) * 1974-08-14 1977-08-23 Franz Plasser Bahnbaumaschinen-Industrie-Gesellschaft M.B.H. Mobile ballast cleaning machine
US4245703A (en) * 1977-12-29 1981-01-20 Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H. Mobile ballast cleaning machine
US4263851A (en) * 1978-05-09 1981-04-28 Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H. Mobile ballast cleaning machine
US4357874A (en) * 1980-01-15 1982-11-09 Franz Plasser Bahnbaumaschinen Industriegesellschaft M.B.H. Mobile arrangement and method for improving a track bed
US4479439A (en) * 1981-12-22 1984-10-30 Franz Bahnbaumaschinen-Industriegesellschaft m.b.H Mobile arrangement and method for improving a track bed
US4502389A (en) * 1980-07-24 1985-03-05 Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H. Track work train
US4813488A (en) * 1986-04-02 1989-03-21 Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H. Ballast cleaning machine
US4854243A (en) * 1986-07-25 1989-08-08 Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H. Mobile track renewal machine
US4912862A (en) * 1989-01-09 1990-04-03 Bishop William B Backfill machine
US4958573A (en) * 1987-08-07 1990-09-25 Danieli & C. Officine Meccaniche S.P.A. Rehabilitation machine having its feed and discharge of materials at its leading end in the direction of its advance
US5109775A (en) * 1990-09-28 1992-05-05 Knox Kershaw, Inc. Ballast reconditioning apparatus with multiple excavating wheels and independent cleaning stations for increased operating speed
US5172636A (en) * 1991-02-12 1992-12-22 Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H. Ballast cleaning machine with pivotal and varying speed conveyors for selectively controlling cleaned ballast distribution
US5257580A (en) * 1991-11-13 1993-11-02 Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H. Arrangement and method for producing a protective layer on the subgrade of a track
US5261171A (en) * 1990-03-26 1993-11-16 Bishop William B Pipeline padding machine attachment for a vehicle
US5479725A (en) * 1993-06-16 1996-01-02 Franz Plasser Bahnbaumaschinen-Industrieges. M.B.H. Method of and arrangement for rehabilitating a ballast bed of a track
US5511485A (en) * 1993-08-31 1996-04-30 Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H. Method and apparatus for stabilizing a subgrade with additives added through the scarifier
USRE35788E (en) * 1994-06-13 1998-05-12 Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H Method of and arrangement for rehabilitating a ballast bed of a track
EP1249536A3 (fr) * 2001-04-12 2003-09-17 GSG Knape Gleissanierung GmbH Méthode pour alimenter un chantier en matériaux de construction
WO2008022475A1 (fr) * 2006-08-25 2008-02-28 J. Müller Ag, Maschineller Geleiseunterhalt Procédé et dispositif pour renouveler un lit de ballast
US10036127B2 (en) * 2014-07-14 2018-07-31 Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M.B.H. Cleaning vehicle for cleaning ballast of a track
US10597827B2 (en) * 2016-03-15 2020-03-24 Matisa Materiel Industriel S.A. Machine for repairing a ballast bed with two screening machines, and method for repairing a ballast bed
US11718963B2 (en) * 2017-03-17 2023-08-08 Plasser & Theurer Export Von Bahnbaumaschinen Gmbh Machine and method for profiling and distributing ballast of a track

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AR205066A1 (es) * 1975-01-10 1976-03-31 Plasser Bahnbaumasch Franz Maquina rodante para ferrovias mas en particular maquina limpiadora de agujas
DE2966927D1 (en) * 1979-11-08 1984-05-24 Scheuchzer Fils Auguste Train for stabilising a railway track
AT370152B (de) * 1981-04-16 1983-03-10 Plasser Bahnbaumasch Franz Fahrbare anlage zur herstellung einer zwischen planum und schotterbett eines gleises verlaufenden schutzschichte
DE9218109U1 (de) * 1991-11-13 1993-08-26 Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H., Wien Anlage zur Herstellung einer Planumschutzschichte
AT400862B (de) * 1992-05-26 1996-04-25 Plasser Bahnbaumasch Franz Gleisbaumaschine mit höhenverstellbarem gleishebeaggregat
DE10046994B4 (de) * 2000-09-22 2008-04-30 Srs Deponiebau Gmbh Verfahren zur Instandsetzung der Bettung einer Gleisanlage und Gleisbauzug zur Durchführung des Verfahrens
AT513248B1 (de) * 2012-12-11 2014-03-15 Plasser Bahnbaumasch Franz Verfahren und Maschine zur Reinigung von Schotter eines Gleises

Citations (2)

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Publication number Priority date Publication date Assignee Title
US2775438A (en) * 1951-09-06 1956-12-25 Harold H Bach Method and apparatus for processing ballast
US3624936A (en) * 1969-08-27 1971-12-07 Aresco Trak Chief Ltd Ballast regulator

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT273205B (de) * 1963-07-15 1969-08-11 Plasser Bahnbaumasch Franz Fahrbare Maschine zum Aufnehmen und insbesondere Reinigen und Wiedereinbringen des Bettungsschotters von Eisenbahngleisen
AT308803B (de) * 1969-04-03 1973-07-25 Plasser Bahnbaumasch Franz Vorrichtung an fahrbaren Maschinen zum Seitwärtsverschieben eines Gleises

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2775438A (en) * 1951-09-06 1956-12-25 Harold H Bach Method and apparatus for processing ballast
US3624936A (en) * 1969-08-27 1971-12-07 Aresco Trak Chief Ltd Ballast regulator

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4043398A (en) * 1974-08-14 1977-08-23 Franz Plasser Bahnbaumaschinen-Industrie-Gesellschaft M.B.H. Mobile ballast cleaning machine
US4245703A (en) * 1977-12-29 1981-01-20 Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H. Mobile ballast cleaning machine
US4263851A (en) * 1978-05-09 1981-04-28 Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H. Mobile ballast cleaning machine
US4357874A (en) * 1980-01-15 1982-11-09 Franz Plasser Bahnbaumaschinen Industriegesellschaft M.B.H. Mobile arrangement and method for improving a track bed
US4502389A (en) * 1980-07-24 1985-03-05 Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H. Track work train
US4479439A (en) * 1981-12-22 1984-10-30 Franz Bahnbaumaschinen-Industriegesellschaft m.b.H Mobile arrangement and method for improving a track bed
US4813488A (en) * 1986-04-02 1989-03-21 Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H. Ballast cleaning machine
US4854243A (en) * 1986-07-25 1989-08-08 Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H. Mobile track renewal machine
US4958573A (en) * 1987-08-07 1990-09-25 Danieli & C. Officine Meccaniche S.P.A. Rehabilitation machine having its feed and discharge of materials at its leading end in the direction of its advance
US4912862A (en) * 1989-01-09 1990-04-03 Bishop William B Backfill machine
US5261171A (en) * 1990-03-26 1993-11-16 Bishop William B Pipeline padding machine attachment for a vehicle
US5109775A (en) * 1990-09-28 1992-05-05 Knox Kershaw, Inc. Ballast reconditioning apparatus with multiple excavating wheels and independent cleaning stations for increased operating speed
US5172636A (en) * 1991-02-12 1992-12-22 Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H. Ballast cleaning machine with pivotal and varying speed conveyors for selectively controlling cleaned ballast distribution
US5257580A (en) * 1991-11-13 1993-11-02 Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H. Arrangement and method for producing a protective layer on the subgrade of a track
US5479725A (en) * 1993-06-16 1996-01-02 Franz Plasser Bahnbaumaschinen-Industrieges. M.B.H. Method of and arrangement for rehabilitating a ballast bed of a track
US5511485A (en) * 1993-08-31 1996-04-30 Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H. Method and apparatus for stabilizing a subgrade with additives added through the scarifier
USRE35788E (en) * 1994-06-13 1998-05-12 Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H Method of and arrangement for rehabilitating a ballast bed of a track
EP1249536A3 (fr) * 2001-04-12 2003-09-17 GSG Knape Gleissanierung GmbH Méthode pour alimenter un chantier en matériaux de construction
WO2008022475A1 (fr) * 2006-08-25 2008-02-28 J. Müller Ag, Maschineller Geleiseunterhalt Procédé et dispositif pour renouveler un lit de ballast
NO20090302L (no) * 2006-08-25 2009-05-05 J Mueller Ag Maschineller Gelei Fremgangsmate og anordning til fornying av et baerelag
NO341498B1 (no) * 2006-08-25 2017-11-27 Sersa Maschineller Gleisbau Ag Fremgangsmåte og anordning til fornying av et bærelag
US10036127B2 (en) * 2014-07-14 2018-07-31 Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M.B.H. Cleaning vehicle for cleaning ballast of a track
US10597827B2 (en) * 2016-03-15 2020-03-24 Matisa Materiel Industriel S.A. Machine for repairing a ballast bed with two screening machines, and method for repairing a ballast bed
US11718963B2 (en) * 2017-03-17 2023-08-08 Plasser & Theurer Export Von Bahnbaumaschinen Gmbh Machine and method for profiling and distributing ballast of a track

Also Published As

Publication number Publication date
AT332442B (de) 1976-09-27
DE2331914C2 (de) 1983-02-24
RO80993A (fr) 1984-07-17
CA1005278A (en) 1977-02-15
AU6758574A (en) 1975-10-09
HU168836B (fr) 1976-07-28
DE2331914A1 (de) 1974-10-24
ZA741962B (en) 1975-03-26
GB1459244A (en) 1976-12-22
ES425375A1 (es) 1976-05-16
FR2225573B1 (fr) 1977-06-10
FR2225573A1 (fr) 1974-11-08
IT1010734B (it) 1977-01-20
ATA333873A (de) 1976-01-15
CH574012A5 (fr) 1976-03-31
DD110321A5 (fr) 1974-12-12
RO80993B (ro) 1984-09-30

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