US3472174A - Track aligning devices - Google Patents

Track aligning devices Download PDF

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Publication number
US3472174A
US3472174A US697519A US3472174DA US3472174A US 3472174 A US3472174 A US 3472174A US 697519 A US697519 A US 697519A US 3472174D A US3472174D A US 3472174DA US 3472174 A US3472174 A US 3472174A
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United States
Prior art keywords
track
aligning
force
wheels
machine
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
US697519A
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English (en)
Inventor
Franz Plasser
Josef Theurer
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Franz Plasser Bahnbaumaschinen Industrie GmbH
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Individual
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Publication date
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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
    • E01B27/17—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
    • E01B33/00—Machines or devices for shifting tracks, with or without lifting, e.g. for aligning track, for shifting excavator track
    • E01B33/06—Machines or devices for shifting tracks, with or without lifting, e.g. for aligning track, for shifting excavator track for slewing in a continuous operation, e.g. for tracks which carry excavators
    • E01B33/10—Bridge track-slewing 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
    • E01B2203/10—Track-lifting or-lining devices or methods
    • 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
    • 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
    • E01B2203/148—Way of locomotion or support having wheelsets that can be displaced horizontally or vertically

Definitions

  • ABSTRACT OF THE DISCLOSURE An improvement to track aligning devices for the continuous alignment of tracks wherein the tracks are displaced by the application of lateral forces during the passage of the device from their position into a corrected position, wherein the difliculties encountered in gaining access for the tools in the zones of points, crossings and the like are eliminated, and wherein the aligning tools are constructed as Wheels with bilateral flanges overlying the rails on both sides.
  • the invention relates, as indicated to improved track aligning devices for the continuous alignment of straight or curved sections of track.
  • the continuous alignment of track wherein the lateral displacement of the track is performed without stopping the track aligning machine at certain reference points during the passage through a given track section, has the advantage that longer track sections can be aligned during a given unit of time than with the use of the intermittent alignment method.
  • FIG. 1 is a side elevation of the track aligning device according to the invention
  • FIG. 2 shows on an enlarged scale the aligning tools of the track aligning device of FIG. 1;
  • FIG. 3 is a front elevation of the aligning tools of a track aligning machine, viewed in the direction of arrows III-III in FIG. 2, wherein two identical groups of aligning tools are associated with each rail.
  • FIGURE 1 shows a track aligning machine in side elevation.
  • This machine comprises substantially a fixed base frame or chassis 2 with sets of front and rear wheels 2' and 2", respectively, and a superstructure 3, containing the driving units for the movement of the track aligning machine, as well as for the track tamping and aligning tools, described further below.
  • the superstructure also houses the drivers cab and the necessary controls.
  • the track aligning machine of FIGURE 1 is associated with small trolleys 17, 18, 19 and 20; ropes, wires or the like, acting as chords, are anchored in these trolleys, and serve as reference lines for measuring the magnitude of the aligning movement of the track, for example, in accordance with the proposal of US. Patent No. 3,314,- 373.
  • These small trolleys or trucks 17, 18, 19, 20 are connected with the main frame 2 by means of telescopic linkages.
  • gripping rollers 22 for lifting the track, and arranged vertically adjustably by means of a cylinder-piston unit 26 on the front side of the track aligning device.
  • the track aligning device is also provided with tamping tools 23 for tamping the track; these tamping tools 23 are mounted vertically adjustably on an overhanging part 25 of the frame of the machine.
  • a monitoring device is provided for leveling the track; of this device only a part 24 is shown which rests via a support 28 on the track.
  • Each track aligning unit 4 comprises substantially a support arm 7, mounted via a ball-and-socket joint 6 pivotably on a bracket 5, connected rigidly, such as, e.g., by welding or bolting, with the main frame 2; two holders 9, projecting in the direction of travel slantingly toward the front and botttom, and towards the rear and bottom, respectively, and connected through joints 8 with the support arm 7; and wheels 10, located by means of shafts 10' in the said holders 9 and rotatably located in the shafts 10'.
  • the leading and trailing ends of the holders 9, as viewed in the direction of travel, are equipped with lugs 11, forming hinge points for hydraulic units, comprising pistons 12 and cylinders 13.
  • the upper ends of the said cylinders 13 are hinge-mounted on lugs 11' projecting on both sides from the support arm 7.
  • the wheels 10 roll on the top surface of the rail heads of the rails of track 1. They are provided with flanges 10a which overlie the rail head flanks on both sides and the profile of which is such as to enable them to rest flush on the flanks of the rail head and to transmit forces acting on the wheels (in the plane of FIG. 3) to the track 1.
  • the radial width of these rail flanges 10a is such that they make contact with the flanks of the rail heads over their entire height or almost over their entire height.
  • the wheels 10 are mounted exchangeably in the holders 9, so that different wheels may be mounted for different types of rails.
  • the width of the wheels 10 is so selected that the wheel flanges 10a run on the rail head flanges with a certain amount of clearance.
  • Hydraulic piston-cylinder units 14, 15 are mounted on underside of the main frame 2 on a downwardly projecting part thereof, and are each associated with one of the lateral aligning units 4. As may best be seen from FIG- URE 3, these hydraulic piston-cylinder units 14, 15 are substantially horizontal; the inner ends of the cylinders 14, facing each other, are articulately mounted on the main frame 2, and the outwardly directed ends of the pistons 15 are hinged to the supporting arm 7.
  • These hydraulic units 14, 15, communicate through conduits 14' with a source of pressure medium, e.g., a hydraulic pump, not shown, and located inside the superstructure 3, and are thereby delivered with the pressure medium.
  • the piston-cylinder units 12, 13 communicate through conduits 13 with this pressure source or with another pressure source arranged within the superstructure 3.
  • the wheels 10 are pivoted upwardly in the holders 9, and out of engagement with the rails 1, owing to a corresponding application of the pressure medium to the pistons 12 in the cylinders 13.
  • This position is indicated by dotted lines in FIGURE 2.
  • pressure medium is applied through the conduits 13 to the pistons 12 in the cylinders 13, causing the wheels 10 to be lowered on to the rails of the track 1.
  • the wheels 10 roll along the rails 1.
  • the track aligning machine When the track aligning machine reaches a part of the track which has been displaced from its correct position, the track is pushed by the force applied by the hydraulic units 14, 15 via the two lateral alignment units 4 in the direction of the correct track position, e.g., to the left as viewed in FIGURE 3.
  • the direction of the deviation between real and correct positions of the track is measured by a measuring device, for example, the device disclosed in our prior Patent No. 3,314,373 already mentioned, and the direction of the force application is correspondingly controlled.
  • the lateral aligning force P acts horizontally on the rail head flanks of the rails 1, it forms with the resistance force R, acting on the end faces of the sleepers 16, a rotary moment which tends to tilt the sleepers about the point of attack of the force R.
  • the vertical forces applied through the hydraulic units 12 and 13 counteract this moment so that the horizontal position of the sleepers, and such the level of the track remain unchanged.
  • the magnitude of the vertical compressive force exerted on wheels 10 by the piston-cylinder units 12 and 13 is preferably functionally related to the magnitude of the laterally directed aligning force applied at the time, and amounts normally to about ,5 to of this laterally directed force.
  • the radial width of the flanges a of the wheels 10 is so selected as to enable travelling over frogs, switch toes, check rails, mountings, and the like of points or crossovers, without fouling the flanges.
  • the extension of the pistons 15 in the cylinders 14 is such that the side faces of the wheels 10 or flanges 10a can be pressed from the inside or outside against the rail head flanges of the rails 1. This is of advantage for aligning points, crossovers, or check rails, guide rails and the like, and makes also possible an adaptation to different rail gauges or changes in the rail gauge.
  • the lateral aligning units 4 can be pivoted about a vertical and a horizontal axis.
  • the pivoting about a vertical axis causes the uniform distribution of the lateral aligning force to both wheels 10 and prevents overloading and kinking of the rails 1.
  • the figures show an embodiment comprising always two wheels 10 on the lateral alignment units. Obviously, however, also more than who wheels can be used in the form of a group, without thereby departing from the principles of the invention.
  • a track aligning machine including a device for continuous alignment of track
  • the improvement comprising the device for the continuous alignment of track including a wheel having a horizontal axis with flanges on both sides thereof to roll on the surface of a rail, wherein the said flanges are adapted in their profiles to the railhead and overlie the railhead over almost its entire height, a holder for receiving the said wheel located movably in the direction across the longitudinal direction of the rails in the main frame of the track aligning machine, and means for applying a force in the direction transversely of the track to the said wheel, wherein the direction and magnitude of the said force is controlled as a function of the position of the track.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
US697519A 1967-01-23 1968-01-12 Track aligning devices Expired - Lifetime US3472174A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT63267A AT289880B (de) 1967-01-23 1967-01-23 Fahrbare Vorrichtung und Verfarhen zum kontinuierlichen Ausrichten eines Gleises der Seite nach

Publications (1)

Publication Number Publication Date
US3472174A true US3472174A (en) 1969-10-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
US697519A Expired - Lifetime US3472174A (en) 1967-01-23 1968-01-12 Track aligning devices

Country Status (5)

Country Link
US (1) US3472174A (de)
AT (1) AT289880B (de)
CH (1) CH479772A (de)
DE (1) DE1708650C3 (de)
GB (1) GB1220721A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4342263A (en) * 1979-12-19 1982-08-03 Sig Societe Industrielle Suisse Railway work-site machine equipped with a mechanical unit for displacement of the track
US20240279878A1 (en) * 2023-02-20 2024-08-22 Caterpillar Inc. Tool for aligning rail segments

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1082611B (de) * 1958-05-24 1960-06-02 Schwermaschb Lauchhammerwerk B Gleisrueckmaschine zum gleichzeitigen Ruecken zweier nebeneinanderliegender, durch Zuganker verbundener Gleise
US3295461A (en) * 1964-12-02 1967-01-03 Messrs Franz Plasser Bahnbauma Means for laterally aligning tracks
US3338174A (en) * 1963-03-18 1967-08-29 Matisa Materiel Ind Sa Device for displacing railway tracks

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1082611B (de) * 1958-05-24 1960-06-02 Schwermaschb Lauchhammerwerk B Gleisrueckmaschine zum gleichzeitigen Ruecken zweier nebeneinanderliegender, durch Zuganker verbundener Gleise
US3338174A (en) * 1963-03-18 1967-08-29 Matisa Materiel Ind Sa Device for displacing railway tracks
US3295461A (en) * 1964-12-02 1967-01-03 Messrs Franz Plasser Bahnbauma Means for laterally aligning tracks

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4342263A (en) * 1979-12-19 1982-08-03 Sig Societe Industrielle Suisse Railway work-site machine equipped with a mechanical unit for displacement of the track
US20240279878A1 (en) * 2023-02-20 2024-08-22 Caterpillar Inc. Tool for aligning rail segments
US12516477B2 (en) * 2023-02-20 2026-01-06 Caterpillar Inc. Tool for aligning rail segments

Also Published As

Publication number Publication date
DE1708650B2 (de) 1974-05-16
GB1220721A (en) 1971-01-27
CH479772A (de) 1969-10-15
AT289880B (de) 1971-05-10
DE1708650C3 (de) 1975-01-02
DE1708650A1 (de) 1971-05-19

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