US3357366A - Track tamping machine - Google Patents

Track tamping machine Download PDF

Info

Publication number
US3357366A
US3357366A US528277A US52827766A US3357366A US 3357366 A US3357366 A US 3357366A US 528277 A US528277 A US 528277A US 52827766 A US52827766 A US 52827766A US 3357366 A US3357366 A US 3357366A
Authority
US
United States
Prior art keywords
tools
tamping
track
adjacent
pair
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US528277A
Other languages
English (en)
Inventor
Plasser Franz
Theurer Josef
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from AT211365A external-priority patent/AT313957B/de
Priority claimed from AT575965A external-priority patent/AT294895B/de
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of US3357366A publication Critical patent/US3357366A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • E01B27/17—Sleeper-tamping machines combined with means for lifting, levelling or slewing the track
    • 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
    • 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
    • E01B2203/12—Tamping devices

Definitions

  • ABSTRACT OF THE DISCLOSURE Track tamping machine with groups of tamping tools spaced on the machine in the direction of elongation of the track, each group of tamping tools being designed to tamp a tie, and adjacent tamping tool groups being spaced so closely together that the adjacent tools of adjacent groups are immersed in the ballast betwen adjacent ties, and a common drive is provided for the adjacent groups of tamping tools.
  • Conventional track tamper comprise pairs of opposing tamping tools arranged for immersion in the ballast adjacent the track ties, with each tie positioned ⁇ between the opposing tools, and for reciprocation in the direction of elongation of the track so as to tamp the ballast underneath each tie upon reciprocation of the preferably vibratory tools.
  • the tamping tools are vertically adjustably mounted on a carriage frame which moves along the track fo-r continuous tamping of one tie after another; According to our application Ser. No.
  • two such pairs of opposing tamping tools are mounted on the carriage frame and are so spaced l from each other in the direction of elongation of the track that adjacent ones of the tools of each pair are at a smaller distance from each other than the distance between adjacent ties whereby the adjacent tools may be immersed in the ballast between adjacent ones of the ties while the other tools of each pair immersed on the other side of the adjacent ties, thus doubling the eiiiciency of the tamping operation by simultaneously tamping two ties and/or producing a better quality of tamping.
  • the track tamping assembly as a mechanical unit with a common drive for the pairs of tamping tools.
  • the common drive is a means, such as a Vibratory shaft, for imparting vibration to the tamping tools all of which are operatively connected to this single means.
  • a track tamping assembly constructed according to the invention requires so little space that a vertically adjustable tamping tool carrier therefor may be vmounted in the conventional manner in a forward portion of the mobile track tamper carriage frame, which overhangs the track section to be tamped ahead of the front axle.
  • a vertically adjustable tamping tool carrier therefor may be vmounted in the conventional manner in a forward portion of the mobile track tamper carriage frame, which overhangs the track section to be tamped ahead of the front axle.
  • the efficiency of the tamper is doubled with a single tamping tool carrier and a single tamping tool vibrating means.
  • FIG. 1 shows an elevational view of one embodiment of a track tamping assembly, partly in section
  • FIG. 2 is a plan view taken along section line II-II of FIG. l;
  • FIG. 3 illustrates a detail in the structure of FIG. 1
  • FIG. 4 is a side view of the entire track tamper showing the mounting of the tamping tool carrier with the tamping assembly;
  • FIGS. 5 and 6 are schematic views of two other embodiments.
  • FIG..7 is a view similar to that of FIG. 1 but illus trating still another embodiment.
  • a tamping tool carrier 5 ris slidably supported on posts 5a, 5a mounted in carriage frame 20 of a mobile track tamper moving on track 1 which rests on ties 2.
  • the illustrated machine may be used for grading and includes, as is conventional, a track lifting mechanism 20'.
  • Vibratory shaft 11 is supported on the carrier with its axis parallel to the ties, this shaft being vibrated by rotation of an axle mounted eccentrically in a central bore of the shaft, as is conventional.
  • Arms 10, 10' extend from the Vibratory shaft in diametrically opposite directions and are vibrated therewith.
  • the track tamping assembly comprises two pairs of opposing tamping tools 3, 4 and 3', 4', the pairs, as illustrated, being so spaced that the tools 4, 4' of each pair, which are adjacent to each other, are at a smaller distance from each other than the distance between adjacent ties 2, 2.
  • a group or series of such pairs of tamping tools may be arranged on the carrier in the direction of elongation of the ties for operation in unison, as shown in FIG. 2, only the outermost pair being seen in FIG. l because the other pairs are aligned therewith and, therefore, cannot be seen inthe elevational view.
  • FIG. 2 indicates, it is preferred to stagger the pairs of opposing tamping tools laterally, i.e. in the direction of elongation of the ties.
  • the tamping tools are pivotal levers pivotally secured intermediate their ends to fulcrurns provided in the tamping tool carrier.
  • a iixed fulcrum 14, 14' is pivotally secured to each of the adjacent tamping tools 4, 4 of the pairs of tools, and the means for eifectuating the reciprocation of the adjacent tools consists of actuating devices 16, 17 and 16', 17' linked respectively to each of the upper ends 15, 15' of the adjacent tools 4, 4 for moving the upper toolends in the direction of elongation of the track.
  • all the actuating devices are hydraulic motors consisting of a stationary part and a moving part, one part being an hydraulic cylinder and the other part being a piston moving therein under hydraulic pressure supplied to the cylinder.
  • the stationary cylinders 17, 17' are linked to the outer ends of the Vibratory arms 10, 10', respectively, at pivots 18, 18', while the moving pistons 16, 16 are linked to the upper ends 15, 15 of tools 4, 4', respectively, thus transmitting vibration of the Vibratory arms to the tamping tools via their actuating devices.
  • Fulcrums 6, 6 are mounted for adjustmentl in thel latter tamping tools includes a movable piston 12, 12' connected to a respective one of the fulcrum supports, both pistons gliding in stationary cylinders 13, 13 mounted in an integral unit below vibratory shaft 11 and, as the latter, centrally of the pairs of tools.
  • Vibration is imparted to the tools 3, 3 by linking their upper ends at pivots 9, 9', respectively, to the vibratory arms ⁇ 10, 10'.
  • ⁇ the vibratory movement of each of the opposing tools of eachpair is effected in opposite directions, which is novel and produces a particularly good compacting of the ballast between the opposing vibratory tools.
  • FIG. 3 illustrates a modification in the mounting of the upper ends of the other tamping tools of each pair, which makes it possible to vary the path of reciprocation of the opposing tools of each pair so that the assembly may be used, for instance, for tamping double ties, i.e. ties of twice the width of the usual ties.
  • the vibratory arms 10, 10' have elongated guide means illustrated as slots 19 for adjustably mounting the pivots to which the upper ends 9,9 of these tools are linked.
  • the common vibratory shaft 111 carries diametrically oppositely extending vibratamping tools 104, 104', respectively, in the direction of' elongation of the track, the piston 116, 116 of each actuating device being linked at one end to a respective one of the tools at their upper ends 115, 115', and the cylinder 117, 117' of the actuating devices being linked at 123, 123' to a respective one of the other tools 103, 103' of the same pair of tools.
  • a fixed fulcrum 114, 114' is pivotally secured to each of the adjacent tools 104, 104 intermediate its ends. In this manner, the vibration of the other tools 103, 103 is transmitted via the actuating devices for the adjacent tools 104, 104' to the latter tools.
  • Additional fulcrums 106 and 106 are pivotally secured to each of the other tools intermediate its ends and are arranged for movement in the direction of the track.
  • a second set of actuating devices 121, 122 and 121', 122' is arranged to move the additional fulcrums in the direction of elongation of the track and thus to reciprocate the other tools 103, 103 in this direction.
  • vibration of the other tools 203, 203 of each pair is etfectuated in the same manner as in FIG. 5 so that a repetition of the description of the structure and function of vibratory shaft 211, vibratory arms 210, 210' and their Ilinkage to the tools at upper ends 209, 209' need not be repeated.
  • a single set of actuating devices 221, 222 and 221', 222' is provided for moving selected ones of the tamping tools of each pair in the direction of elongation of the track.
  • the selected tools are the other tamping tools 203, 203 whose movable fulcrums 206, 206' are connected to the pistons 222, 222' of the actuating devices while the hydraulic cylinders 221, 221' of the actuating devices are stationary.
  • Each driven tamping tool of one pair is coupled to the adjacent tamping tool 204, 204'-of the other pair by fixed connecting rods 225, 225, these coupling means enabling the opposing tools of one pair to move in unison with the selected tools of the other pair.
  • the upper ends of the adjacent tools 204, 204 are linked to stationary brackets 224, 224'.
  • FIG. 6 The embodiment of FIG. 6 is particularly advantageous because of the relatively few structural parts required for driving the tamping tools.
  • the upper ends of all tamping tools are linked to respective actuating devices, illustrated as hydraulic motors, which, in turn, are connected to the common vibratory shaft for all the tools,
  • the actuating devices being designed for effectuating reciprocation of the tamping tools in the direction of elongation of the track.
  • this embodiment is specifically illustrated as comprising fixed fulcrums 306, 306 and 307, 307 to which the respective ones of tamping tools 303, 303 and 304, 304' are pivotally secured intermediate their ends, the tools being the conventional pivotal levers and the fulcrums being arranged on the vertically adjustable tamping tool carrier 305 which supports the tamping assembly.
  • the vibration imparting means for all ⁇ the tamping tools is the centrally positioned vibratory shaft 311 to which are fixed a pair of angularly spaced arms 310, 310', each arm extending diametrically from the shaft at opposite sides thereof. In the illustrated embodiment, the arms are perpendicular to each other.
  • each actuating device 316, 317 and 316', 317' for the adjacent tamping tools 304, 304 is connected to one of the arms 310, 310' and each actuating device 312, 313 and 312', 313 for the other tamping tools 303,
  • each pair of tools is connected to ⁇ one of the arms.
  • Each arm has connected thereto an actuating device for one of the adjacent tools and an actuating dcvice for one of the other tools of each pair, so that the upper ends of an adjacent tool of one pair and of another tool of the other pair are coupled together via their respective actuating devices and one of the vibratory arms.
  • the movable pistons 312, 312 of the actuating devices for the other tamping tools 303, 303 of each pair are linked t0 the upper ends of these tamping tools at pivots 309, 309' while the stationary hydraulic cylinders of these actuating devicesare pivotally connected to the vibratory shaft arms at pivots 310, 310.
  • the stationary hydraulic cylinders 317, 317' of the actuating devices for the adjacent vtools of each pair are iixedly connected to the vibratory shaft arms the movable pistons 316, 316' of these devices being linked to the upper ends of the adjacent tamping tools at pivots 31S, 315.
  • a so-called double tie may also be tamped with this assembly and, for this purpose, adjustable stops are provided for limiting the outward movement of the other tamping tools 303, 303' of each pair of tools during their reciprocation.
  • the illustrated stops 323, 323' are mounted for pivotal movement into and out of the path of the upper ends 309, 309 of tamping tools 303, 303', as indicated by arrows and the broken line position of stop 323.
  • the stops are ⁇ arranged to move into the horizontal path of movement of the movable upper ends 309, 309 ⁇ between-these ends and the fixed cylinders 313, 313' of the actuating devices for these tools.
  • the actuating devices for the stops are also hydraulic motors.
  • actuating devices are carried by the stationary cylinders 313, 313', the illustrated arrangement including lugs 318, 318' on the stationary cylinders to which the stationary hydraulic cylinders 319, 319 are linked while the movable pistons 320, 320' of these actuating devices are linked to the stops at pivots 321, 321 so as to pivot the stops about fulcrums 322, 322'.
  • a machine for tamping ballast underneath a track (a) two pairs of opposed tamping tools, said pairs of tools being spaced from each other in the direction of elongation of the track, the spacing between said pairs of tools being such that the tools of each pair, which are adjacent to each other, are at a smaller distance from each other than the distance between adjacent ones of said ties whereby said adjacent tools may -be immersed in the ballast between said adjacent ties, the opposing tools of each pair being arranged for immersion in the ballast adjacent one of said ties, with the one tie positioned between the opposing tools, and for Ireciprocation in the direction of elongation of the track, and
  • a machine for tamping ballast underneath a track including rails supported on a plurality of spaced ties resting on the ballast, said machine comprising (l) a carriage frame; and
  • the assembly including (a) two pairs of opposed tamping tools, said pairs of tools being spaced from each other in the direction of elongation of the track, the spacing between said pairs of tools being such that the tools ⁇ of each pair, which are adjacent to each other, are at a smaller distance from each other than the distance between adjacent ones of said ties whereby said adjacent tools may be immersed in the ballast between said adjacent ties, the opposing tools of each pair being arranged for immersion in the ballast adjacent one of said ties, with the one tie positioned between the opposing tools, and for reciprocation in the direction of elongation of the track, and
  • said vibration imparting means is a vibratory shaft to which ⁇ all the tamping tools are operatively connected.
  • the machine of claim 5, further comprising means for effectuating the reciprocation of the tamping tools in the direction of elongation of the track, said reciprocation means including a separate -actuating device for each of the tools, each actuating device being connected at one end to the vibratory shaft and being linked at-the other end to a respective one of the upper ends of the tamping tools.
  • each actuating device is an hydraulic motor.
  • actuating devices include a stationary part and a moving part, the stops being arranged for movement between the iixed parts of the actuating devices and the upper ends of the other tamping tools.
  • -means for elfectuating the reciprocation of the adjacent ones of the pairs of tools;
  • the vibration imparting means including a vibratory shaft positioned centrally of said pairs of tools and two arms extending in opposite directions from the shaft and being vibrated therewith upon vibration of the shaft;
  • the reciprocation means including an actuating device for moving the upper tool ends of the adjacent ones of the pairs of tools in the direction of elongation of the track, a fixed fulcrum secured to each of the adjacent tools intermediate its ends, the adjacent tools being pivotal levers, and one end of each of the actuating devices being linked to a respective one of the upper ends of the adjacent tools and the other end of each actuating device being linked to a respective one of said arms.
  • the reciprocation means further includes another actuating device for moving each of the last-named fulcrums, said other actuating device comprising a movable part connected to each of the latter fulcrums and a vcommon stationary pa-rt wherein the movable parts are mounted, the stationary part being mounted below the vibration imparting means and centrally of the pairs of tools.
  • a machine for tamping ballast underneath a track including rails supported on a plurality of spaced ties resting on the ballast, said machine comprising (l) a carriage frame; and
  • the assembly including (a) two pairs of opposed tamping tools, said pairs of tools being spaced from each other in the direction of elongation of the track, the spacing between said pairs of tools being such that the toolstof eachpair, which are adjacent to each other, are at a smaller distance from each other than the distance between adjacent ones of said ties whereby said adjacent tools may be immersed in the ballast between said adjacent ties, the opposing tools of each pair being arranged for immersion in the ballast adjacent one of said ties, with the one tie positioned between the opposing tools, and for reciprocation in the direction of elongation of the track,
  • a machine for tamping ballast underneath a track including rails supported on a plurality of spaced ties resting'on the ballast, said machine comprising 1) a carriage frame; and
  • the assembly including (a) two pairs of opposed tamping tools, vsaid pairs of tools being spaced from each other in the direction of elongation of the track, the spacing between said pairs of tools being such that the tools of each pair, which are adjacent to each other, are at a smaller distance from each other than the dist-ance between adjacent ones of said ties whereby said adjacent tools may beimmersed in the ballast between said adjacent ties, the opposing tools of each pair being arranged for immersion in the ballast adjacent one of said ties, with the one tie positionedbetween the opposing tools, and for reciprocation in the direction of elongation ⁇ of the track,
  • reciprocation means comprising a first set of Iactuating devices for moving the adjacent ones of the pairs of tools in the direction of elongation of the track,teach of said actuating devices having one end linked to a respective one of the adjacent tools of each pair of tools and another end linked to a respective one of the other tools of the same pair of tools, a fixed fulcrum pivotally secured to each of the adjacent tools intermediate its ends and arranged for movement in the direction of elongation of the track, and a second set of actuating devices for moving the additional fulcrums kin said direction.
  • the common ⁇ drive is a means for imparting vibration to all the tamping tools of each pair of tools
  • the vibration imparting means including a vibratory shaft positioned centrally of said pairs of tools and two arms extending in ropposite directions from the shaft and being vibrated therewith upon vibration of the shaft, the upper ends of the other ones of the tamping tools of each pair of tools being linked to a respective one of said arms.
  • a machine for tamping ballast underneath a track including rails supported on a plurality of spaced ties resting on the ballast, said machine comprising (l) a carriage frame; and
  • the assembly including (a) two pairs of opposed tamping tools, said pairs of tools kbeing spaced from ⁇ each other in the direction of elongation of the track, the spacing between said pairs of tools being such that the tools of each pair, which are adjacent to each other, are at a smaller distance from each other than the distance between adjacent ones of said ties whereby said adjacent tools may be immersed in the ballast between said adjacent ties, the opposing tools of each pair being arranged for immersion in the ballast adjacent one of said ties, with the one tie positioned between the opposing tools, and for reciprocation in the direction of elongation of the track, (b) a common drive for said pair of tamping tools, and (c) means for efiectuating the reciprocation of the opposing -tools of each pair of tools, the reciprocation means comprising a single set of actuating devices for moving selected ones of the tamping tools of each pair in the direction of elongation of the track, and means coupling the tool opposing the selected one

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
US528277A 1965-03-09 1966-02-17 Track tamping machine Expired - Lifetime US3357366A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT211365A AT313957B (de) 1965-03-09 1965-03-09 Maschine zum Enterstopfen eines Gleises
AT575965A AT294895B (de) 1965-06-24 1965-06-24 Maschine zum Unterstopfen eines Gleises

Publications (1)

Publication Number Publication Date
US3357366A true US3357366A (en) 1967-12-12

Family

ID=25597710

Family Applications (1)

Application Number Title Priority Date Filing Date
US528277A Expired - Lifetime US3357366A (en) 1965-03-09 1966-02-17 Track tamping machine

Country Status (5)

Country Link
US (1) US3357366A (de)
BR (1) BR6677223D0 (de)
CH (1) CH470536A (de)
DE (1) DE1287100B (de)
GB (1) GB1130889A (de)

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3430579A (en) * 1966-03-15 1969-03-04 Australian Railway Equipment Tamping tool
US3465688A (en) * 1966-10-06 1969-09-09 Matisa Materiel Ind Sa Railway track ballast tamping machine
DE1910652B1 (de) * 1969-03-03 1971-02-18 Gleis Und Strassenbautechnik G Stopfaggregat fuer Gleisstopfmaschinen
US3589297A (en) * 1968-04-29 1971-06-29 Plasser Bahnbaumasch Franz Track-tamping assembly
US3799059A (en) * 1972-11-24 1974-03-26 Research Corp Packing apparatus for railroad track packing machines
US4130063A (en) * 1975-09-16 1978-12-19 Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H. Tamping head
US4258627A (en) * 1976-06-09 1981-03-31 Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H. Ballast tamping
US4282815A (en) * 1979-10-12 1981-08-11 Canron Corp. Railroad tamping machine
US4369712A (en) * 1979-10-12 1983-01-25 Canron Corporation Railroad tamping machine
US4563953A (en) * 1982-07-07 1986-01-14 Franz Plasser Bahnbaumaschinen-Industriegesellschaft Mbh Tamping head with limiting stop for tool reciprocation
US4576095A (en) * 1983-11-02 1986-03-18 Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H. Ballast tamping machine
US4744303A (en) * 1986-02-27 1988-05-17 Kershaw Manufacturing Co., Inc. Railway track tamping machine
US4773333A (en) * 1985-03-25 1988-09-27 Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H. Selective production tamper machine and a tamping head therefor
US5048425A (en) * 1989-06-16 1991-09-17 Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H. Ballast tamping unit for mounting on a tamping machine and a tamping tool therefor
US5133263A (en) * 1990-04-20 1992-07-28 Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H. Ballast tamping assembly
CN103850157A (zh) * 2012-12-06 2014-06-11 常州市瑞泰工程机械有限公司 双枕捣固装置
CN103850158A (zh) * 2012-12-06 2014-06-11 常州市瑞泰工程机械有限公司 一种双枕捣固装置
WO2017011187A1 (en) 2015-07-10 2017-01-19 Harsco Technologies LLC Workhead assembly for rail applications
ES2644352A1 (es) * 2017-01-25 2017-11-28 Jose Antonio Ibañez Latorre Grupo de bateo para máquinas de mantenimiento ferroviario con capacidad de batear el balasto bajo las traviesas de la vía, tanto las simples como las dobles
US10208432B2 (en) * 2014-10-17 2019-02-19 Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M.B.H. Tamping unit for tamping sleepers of a track

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT315227B (de) * 1969-08-08 1974-05-10 Plasser Bahnbaumasch Franz Stopfwerkzeug für Gleisstopfmaschinen

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2734463A (en) * 1956-02-14 Railway track ballast tamping apparatus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2734463A (en) * 1956-02-14 Railway track ballast tamping apparatus

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3430579A (en) * 1966-03-15 1969-03-04 Australian Railway Equipment Tamping tool
US3465688A (en) * 1966-10-06 1969-09-09 Matisa Materiel Ind Sa Railway track ballast tamping machine
US3589297A (en) * 1968-04-29 1971-06-29 Plasser Bahnbaumasch Franz Track-tamping assembly
DE1910652B1 (de) * 1969-03-03 1971-02-18 Gleis Und Strassenbautechnik G Stopfaggregat fuer Gleisstopfmaschinen
US3799059A (en) * 1972-11-24 1974-03-26 Research Corp Packing apparatus for railroad track packing machines
US4130063A (en) * 1975-09-16 1978-12-19 Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H. Tamping head
US4258627A (en) * 1976-06-09 1981-03-31 Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H. Ballast tamping
US4282815A (en) * 1979-10-12 1981-08-11 Canron Corp. Railroad tamping machine
US4369712A (en) * 1979-10-12 1983-01-25 Canron Corporation Railroad tamping machine
US4563953A (en) * 1982-07-07 1986-01-14 Franz Plasser Bahnbaumaschinen-Industriegesellschaft Mbh Tamping head with limiting stop for tool reciprocation
US4576095A (en) * 1983-11-02 1986-03-18 Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H. Ballast tamping machine
US4773333A (en) * 1985-03-25 1988-09-27 Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H. Selective production tamper machine and a tamping head therefor
US4744303A (en) * 1986-02-27 1988-05-17 Kershaw Manufacturing Co., Inc. Railway track tamping machine
US5048425A (en) * 1989-06-16 1991-09-17 Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H. Ballast tamping unit for mounting on a tamping machine and a tamping tool therefor
US5133263A (en) * 1990-04-20 1992-07-28 Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H. Ballast tamping assembly
CN103850157A (zh) * 2012-12-06 2014-06-11 常州市瑞泰工程机械有限公司 双枕捣固装置
CN103850158A (zh) * 2012-12-06 2014-06-11 常州市瑞泰工程机械有限公司 一种双枕捣固装置
CN103850157B (zh) * 2012-12-06 2015-10-28 常州市瑞泰工程机械有限公司 双枕捣固装置
CN103850158B (zh) * 2012-12-06 2015-10-28 常州市瑞泰工程机械有限公司 一种双枕捣固装置
US10208432B2 (en) * 2014-10-17 2019-02-19 Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M.B.H. Tamping unit for tamping sleepers of a track
WO2017011187A1 (en) 2015-07-10 2017-01-19 Harsco Technologies LLC Workhead assembly for rail applications
EP3320144A4 (de) * 2015-07-10 2019-02-27 Harsco Technologies LLC Werkstückspindelstockanordnung für schienenanwendungen
US10844550B2 (en) 2015-07-10 2020-11-24 Harsco Technologies LLC Workhead assembly for rail applications
ES2644352A1 (es) * 2017-01-25 2017-11-28 Jose Antonio Ibañez Latorre Grupo de bateo para máquinas de mantenimiento ferroviario con capacidad de batear el balasto bajo las traviesas de la vía, tanto las simples como las dobles

Also Published As

Publication number Publication date
GB1130889A (en) 1968-10-16
CH470536A (de) 1969-03-31
BR6677223D0 (pt) 1973-12-26
DE1287100B (de) 1969-01-16

Similar Documents

Publication Publication Date Title
US3357366A (en) Track tamping machine
US3669025A (en) Tamper unit for mobile track tamping machine
US3919943A (en) Track surfacing method
US4094251A (en) Mobile track tamping machine
US4094250A (en) Mobile track tamping machine
US4576095A (en) Ballast tamping machine
US4090451A (en) Mobile track tamping machine that tamps three successive cribs
JP2023546981A (ja) 道床つき固め機のためのタンピングユニット
US5133263A (en) Ballast tamping assembly
US4881467A (en) Continuously advancing track maintenance or rehabilitation machine
US4537135A (en) Tamping unit
US4258627A (en) Ballast tamping
US3753621A (en) Concrete-working machine with walking vibrators
US4404913A (en) Tamping tool assembly
US3608496A (en) Ballast tamping apparatus
US3735708A (en) Drive for vibrating a track maintenance machine tool
US3120194A (en) Ballast tamping machine
US4773333A (en) Selective production tamper machine and a tamping head therefor
US3372651A (en) Track tamping machine
US4096806A (en) Track tamper with hingeable unitary pivotable tamping unit
US2926617A (en) Ballast tamping apparatus
US3429276A (en) Track tamping machine
SE7900217L (sv) Sparstoppningsmaskin
US4355579A (en) Track tamper
US3012516A (en) Light tamping machine