US3318259A - Device for shifting a section of railway track laid on its bed of ballast - Google Patents

Device for shifting a section of railway track laid on its bed of ballast Download PDF

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Publication number
US3318259A
US3318259A US352567A US35256764A US3318259A US 3318259 A US3318259 A US 3318259A US 352567 A US352567 A US 352567A US 35256764 A US35256764 A US 35256764A US 3318259 A US3318259 A US 3318259A
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United States
Prior art keywords
shifting
track
ballast
railway track
jack
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Expired - Lifetime
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US352567A
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English (en)
Inventor
Eugene E Oville
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.)
Matisa Materiel Industriel SA
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Matisa Materiel Industriel SA
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Publication date
Application filed by Matisa Materiel Industriel SA filed Critical Matisa Materiel Industriel SA
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    • 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
    • E01B33/02—Machines or devices for shifting tracks, with or without lifting, e.g. for aligning track, for shifting excavator track for slewing, i.e. transversely shifting, in steps

Definitions

  • the present invention relates to devices for shifting a .section of railway track which rests on its bed of ballast, and in particular to machines known under the names of Shifters, squarers, lifters-shifters, levellers-squarers, etc.
  • the invention essentially proposes to effect this shifting by means of a mechanism actuated by a jack and hinged so that the shifting strain is applied on the section of track at a point situated on the level where the shifting resistance occurs.
  • the track section may then pivot freely about this point which is at the level of the sleepers.
  • the present invention contemplates a new device for shifting a railway track laid on its bed of ballast, which avoids the drawbacks cited above. It has for an object to provide a device for shifting a section of railway track laid on its bed of ballast, including, on the one hand, a hinged frame constituted by -a chassis carrying rail grippers, a supporting chassis and two connecting members, and on the other hand, at lleast one shifting jack.
  • the device according to the invention is characterized by the fact that the frame has four hinges which are on twO straight lines which intersect one another Iat a point located at the level of the sleepers, so that the track and the chassis which is connected thereto may freely pivot about this point when the shifting jack operates to elect the shifting.
  • FIGS. 1 to 3 of the accompanying drawing show, by way of example, three embodiments of the device according to the invention. Each figure shows diagrammatically a front view of one embodiment in partial sections, disposed transversely to the track.
  • FIG. l which is for the greater part symmetrical, the same reference number has been employed for corresponding symmetrical elements so as to render the description more clear.
  • the track is rendered integral with a horizontal chassis 4 by two rail grippers 5.
  • chassis 4 Connected to chassis 4 at hinges 6 are two slanting bars 7 themselves hinged at 8 to a second horizont-al chassis 9.
  • the four hinges 6 and 8 of the frame thus formed are therefore at the angles of a trapezium of which the extension of the two nonparallel sides (6 8) defines a point of intersection A located between the upper ⁇ and lower surfaces of the sleeper 2.
  • the chassis 9 may slide horizontally in the two guides 10 of an auxiliary chassis 11 under the action of a shifting jack, the cylinder 12 of which is fixed to 11 while the rod 13 of the piston 14 thereof is xe'd to chassis 9.
  • This auxiliary chassis 11 may itself slide freely in the vertical direction due to the sliding engagement of its two lower guides 15 and its two upper guides 16 on two columns 17 integral with the front girder 18 of a railway vehicle not shown.
  • this device permits dragging the track transvversely-on the ballast tolerating if need be vthe pivoting imposed by the irregularities of the stones of the ballast. The shifting is thus facilitated in the most satisfactory manner andthe levelling error is reduced to a minimum.
  • girder 18 may rest direct-ly on lthe ballast to ensure the support necessary for the shifting.
  • 'Ihese jacks permit not only of hoisting the track section, but also to x the transverse slant thereof.
  • FIG. 2 has been shown with the same references those parts of the elements of FIG. 1 which are found again in the second embodiment.
  • the bars 7 are replaced by two hydraulic shifting jacks instead of one. Each one is hinged through its rod 13 at 6 and through its cylinder r12 Iat 8. The auxiliary chassis 11 is eliminated and -the chassis 9 merges into the girder 18 of the frstexample.
  • FIG. 3 again shows, with Ithe same reference characters, a part of the elements of FIG. 1.
  • the shifting jack 12, 14, 13 is hinged at 6 to chassis 4 and at 8 to girder 18, so that it forms one of the extensible connecting rods of the deformable frame, Ithe other connecting rod being the hoisting jack (19, 2t), 21) to t-he right in the drawing.
  • the four articulations 6, 8, 22 and 23 are arranged Ialong two straight lines converging at A.
  • the other hoisting jack, lto the left of the figure is obviously free of any shifting stress.
  • the shifting jack In order to shift the track to the right of the drawing, the shifting jack must be lengthened which, acting under compression, provides at Aa slanting force the horizontal component of which balances R the vertical component being compensated by the right-hand hoisting jack only.
  • This compensation may easily be effected by the usual means of hydraulics, such as an auxiliary jack, suitable control of the pressures in the chambers, etc.
  • L1A device for shifting a part of a railway track having sleepers resting on a bed of ballast, said device comprising: an articulated frame constituted by two superposed transverse members and two connecting members which are hingeably connected to said transverse members, rail grippers carried by the lower of said transverse members, and at least one shifting jack for acting on said frame to shift said" track, the articulation points of one connecting member defining a straight'line which intersects a straight line ⁇ passing through the articulation points of the second connecting member at a point located at the level of the railway track sleepers.
  • a device wherein said two connecting members are of fixed length, the upper transverse member being slidably supported for movement transverse to the railway track, said shifting jack being engaged with the upper member for shifting the same.
  • a device wherein said two connecting members 4are of variable length and the device further comprises control means for actuating said connecting members so that one connecting member is reduced in lengt-h while the length of the other connecting member ⁇ increases.
  • IA device comprising heightadjusting means suspended from the upper transverse member in pendulum-like fashion transverse of the railway track forV being articulated to said lower transverse member.
  • a device wherein said one shifting jack is axially coupled to one of said connecting members.
  • At least one of the connecting members is a rigid bar.
  • a device wherein at least one of the connecting members is variable in length and said shifting jack is axially coupled thereto.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
US352567A 1963-03-18 1964-03-17 Device for shifting a section of railway track laid on its bed of ballast Expired - Lifetime US3318259A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH338963A CH384610A (fr) 1963-03-18 1963-03-18 Dispositif pour riper une section de voie ferrée posée sur son lit de ballast

Publications (1)

Publication Number Publication Date
US3318259A true US3318259A (en) 1967-05-09

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
US352567A Expired - Lifetime US3318259A (en) 1963-03-18 1964-03-17 Device for shifting a section of railway track laid on its bed of ballast

Country Status (4)

Country Link
US (1) US3318259A (de)
AT (1) AT266199B (de)
CH (1) CH384610A (de)
GB (1) GB1057935A (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2341700A1 (fr) * 1976-02-20 1977-09-16 Canron Inc Appareil pour le redressement des voies ferrees
US4274334A (en) * 1978-10-13 1981-06-23 Canron Corporation Machine for changing rails
US4512560A (en) * 1981-10-06 1985-04-23 Krauss-Maffei Aktiengesellschaft Apparatus for mounting rails on a rigid rail beam
US4895078A (en) * 1987-04-10 1990-01-23 Danieli & C. Officine Meccaniche Spa System for the continuous reciprocal self-alignment of rails on sleepers

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT366735B (de) 1980-06-02 1982-05-10 Plasser Bahnbaumasch Franz Gleisbaumaschine mit gleislagekorrekturvorrichtung
FR2731239B1 (fr) * 1995-03-01 1997-05-23 Drouard Dispositif de centrage, dispositif d'ajustement de traverse et train de pose de voie de chemin de fer

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2926616A (en) * 1954-11-04 1960-03-01 Nordberg Manufacturing Co Track lining machine
US3134339A (en) * 1960-02-16 1964-05-26 Plasser Franz Track aligning apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2926616A (en) * 1954-11-04 1960-03-01 Nordberg Manufacturing Co Track lining machine
US3134339A (en) * 1960-02-16 1964-05-26 Plasser Franz Track aligning apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2341700A1 (fr) * 1976-02-20 1977-09-16 Canron Inc Appareil pour le redressement des voies ferrees
US4274334A (en) * 1978-10-13 1981-06-23 Canron Corporation Machine for changing rails
US4512560A (en) * 1981-10-06 1985-04-23 Krauss-Maffei Aktiengesellschaft Apparatus for mounting rails on a rigid rail beam
US4895078A (en) * 1987-04-10 1990-01-23 Danieli & C. Officine Meccaniche Spa System for the continuous reciprocal self-alignment of rails on sleepers

Also Published As

Publication number Publication date
GB1057935A (en) 1967-02-08
CH384610A (fr) 1964-11-30
AT266199B (de) 1968-11-11

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