WO1979000031A1 - Support de rail avec reservoir de ballast - Google Patents

Support de rail avec reservoir de ballast Download PDF

Info

Publication number
WO1979000031A1
WO1979000031A1 PCT/US1978/000031 US7800031W WO7900031A1 WO 1979000031 A1 WO1979000031 A1 WO 1979000031A1 US 7800031 W US7800031 W US 7800031W WO 7900031 A1 WO7900031 A1 WO 7900031A1
Authority
WO
WIPO (PCT)
Prior art keywords
rail support
ballast
cavity
reservoir
pea gravel
Prior art date
Application number
PCT/US1978/000031
Other languages
English (en)
Inventor
H Moehren
Original Assignee
H Moehren
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
Application filed by H Moehren filed Critical H Moehren
Publication of WO1979000031A1 publication Critical patent/WO1979000031A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B3/00—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails
    • 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
    • E01B3/00—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails
    • E01B3/16—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from steel
    • E01B3/20—Sleeper construction for special purposes, e.g. with openings for ballast working
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B3/00—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails
    • E01B3/28—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone
    • 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
    • E01B2203/062—New 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
    • E01B2203/06—Placing ballast
    • E01B2203/067—Special methods for posing or quantifying ballast

Definitions

  • This operation is realized by different methods, one of which is the "packing" to which this invention is related.
  • Packing consists in the introduction, with help of special shovels or injectors, of small grade ballast, or pea gravel, underneath the crossties being worked on, while the said crossties are kept in a raised position at the. desired elevation, by appropriate hoisting equipment such as lifting jacks for example.
  • OMPI effects of tamping is that at each stroke, the equilibrated structure of the ballast mould around the crosstie is destroyed.
  • the tamping operation must generally be completed by a vertical, vibratory compaction operation in order to rebuild a certain compaction and a certain stability of the ballast, at least in the area surrounding the crosstie, before the track is reopened to traffic.
  • the present invention proposes a rail support characterized by the fact that it comprises at least one cavity-reser ⁇ voir serving as a container of small grade ballast or pea gravel to flow out of the reservoir and to be directed automatically underneath the rail support in proportion to the settlement of the underlaying ballast, under the combined effect of gravity and the amplitude of the vertical oscillations induced by the wheel sets of passing trains.
  • the drawing at the appendix illustrates, as an example, one of the possible forms of the invention:
  • Figure 1 is in plain view; figure 2 is the view in elevation of the section A-A through figure 1;
  • figure 3 shows the section H-H of figure 1 in elevation; figure 4 shows the bottom face; figure 5 and 6 show the cross-sections B-B and C-C of fig. 2; figure 7 and 8 show the cross-sections D-D and E-E of fig. 3. Description of the Preferred Embodiments
  • the rail support in this example is a concrete tie (1) with two rails
  • This concrete tie (1) includes two cavities (4) opening on the surface of said tie (1), placed as close to the rails (2) and (3) as possible without interfering with their means of fastening.
  • the bottom (5) of these two cavities is inclined from the most distant face (6) toward the face closest (7) to the rail.
  • To this face (7) are connected two lateral conduits (8) and (8') . the orientation of which is parallel to that of the longitudinal axis of the tie (1), and the faces of which are biased toward the bottom face (9) with the openings
  • the openings (10) and (10') are centered under the rails (2) and (3) and spaced transversally in such a proportion that the distance between two openings corresponds approximatively to two times the distance which separates them from the lateral faces (11) and (12) of the tie (1).
  • the dimensions of the tie (1) are of course established with regard to the continuity of mechanical resistance through the cavities (4) and their conduits (8) and (8').
  • the width of the bottom face (9) of the tie (1) is increased by the sum of the widths of the
  • the "packing" operation of a railroad track built on crossties such as described above, is extremely simple. It is sufficient to fill the cavities (4) with small grade ballast or pea gravel. As soon as the track settlement becomes irregular, the packing process is initiated automatically by the oscillations induced by the wheel sets in motion, as mentioned before. In fact, as symbolized by the small arrows on figure 6, the particles of the small grade ballast or pea gravel contained in the cavity (4), by their weight have the tendency to flow underneath the bottom face (9) of the crosstie (1) onto the underlaying ballast.
  • the outflow of small grade ballast or pea gravel is facilitated by the conical shape of the conduits (8) and (8') which, combined with the effect of the vertical oscillations of the tie, accelerates the outflow and hinders the backing or lock-up of the particles in the said conduits; but this particularity is not indispensable.
  • the transverse symmetrical partitioning of the openings (10) and (10') on the bottom face (9) of the crosstie produces an equal distribution of the particles on either side of the opening if suc distribution is preferred; but this particularity is not indispensable either.
  • the rail support fully pervades the objective striven for, given the fact that it provides all advantages of the so-called "packing" method in an economical, automatic mode, eliminating all of the time-consuming, expensive operations of the method which have been described above, and does so by recurring to the very same phenomenon which causes the settlement, to automatically correct and compensate its effects.
  • the replenishing of the cavities with small grade ballast or pea gravel is the only exterior intervention, and the replenishing lends iself easily to mechan- isation, because the cavities can be designed to be very accessible, such as in the example shown above. Design changes can be realized without altering the applicability of the invention.
  • a single cavity-reservoir for example, centered half-way between the two rails, can be connected with the bottom face of the tie underneath
  • the rails by an unspecified number of conduits, the openings of these conduits leading to the bottom of the rail support being of variable length or width, according to the desired effect and the required size of the bearing surface.
  • a removable cover can be installed to close each cavity.
  • the openings can be placed in the upper part of the ends, or in the vertical faces of the crosstie sides.
  • the concrete tie (1) given as an example of possible execution of the rail support is not limitative, and the invention is applicable to all other types of crossties, as well as to large surface slab sections and pads, provided these various elements function as rail supports and transmit and distribute dynamic loads.
  • the cavity-reservoir may be attached to one or the other upper part of these crosssties.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Railway Tracks (AREA)

Abstract

Une nouvelle traverse de chemin de fer (1) comprend une cavite (4) formant reservoir contenant du ballast de granulometrie fine ou du gravier fin, qui est automatiquement depose sous la traverse (1) en fonction du tassement du ballast sous-jacent. Le complement de ballast de granulometrie fine ou de gravier se depose automatiquement sous l'effet combine de la gravite et de l'oscillation d'amplitude verticale produite par les roues des trains qui passent.
PCT/US1978/000031 1977-07-07 1978-07-06 Support de rail avec reservoir de ballast WO1979000031A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH844077 1977-07-07
CH8440/77 1977-07-07

Publications (1)

Publication Number Publication Date
WO1979000031A1 true WO1979000031A1 (fr) 1979-01-25

Family

ID=4340386

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1978/000031 WO1979000031A1 (fr) 1977-07-07 1978-07-06 Support de rail avec reservoir de ballast

Country Status (2)

Country Link
EP (1) EP0006870A1 (fr)
WO (1) WO1979000031A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5312038A (en) * 1991-10-23 1994-05-17 Paolo Merlanti Drainage system for a railroad superstructure for supporting sleepers
WO1997031154A1 (fr) * 1996-02-21 1997-08-28 Olaf Unbehaun Voie ferree, traverse et element de recouvrement pour l'espace situe entre les traverses
EP1865107A1 (fr) * 2006-06-09 2007-12-12 Alstom Ferroviaria S.P.A. Traverse ferroviaire
JP2011047143A (ja) * 2009-08-26 2011-03-10 Railway Technical Res Inst 自動沈下補正まくらぎおよび自動沈下補正システム
JP2015101832A (ja) * 2013-11-21 2015-06-04 公益財団法人鉄道総合技術研究所 自動沈下補正装置

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US853176A (en) * 1906-10-05 1907-05-07 Jacob F Kaylor Metallic railway-tie.
US1050708A (en) * 1912-10-09 1913-01-14 Charles Yeadicke Railroad-tie.
US1138428A (en) * 1914-08-12 1915-05-04 Joseph F Vallin Metallic railway-tie.
US1260336A (en) * 1915-05-08 1918-03-26 Daniel I Cowgill Metallic railroad-tie.
FR690361A (fr) * 1930-02-04 1930-09-19 Procédé de conservation des bois des traverses de chemins de fer
US2669942A (en) * 1949-12-12 1954-02-23 Scheuchzer Auguste Pneumatic ballast tamper
US2875953A (en) * 1954-09-21 1959-03-03 Weber Carl Railway track construction
US3877640A (en) * 1974-07-18 1975-04-15 Raghuram Shripad Hemmady Railroad cross supports and process for maintenance of track bed
US3878987A (en) * 1972-02-10 1975-04-22 Japan National Railway Railway track structure
US3942448A (en) * 1973-05-26 1976-03-09 Basf Aktiengesellschaft Apparatus for consolidating ballast

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US853176A (en) * 1906-10-05 1907-05-07 Jacob F Kaylor Metallic railway-tie.
US1050708A (en) * 1912-10-09 1913-01-14 Charles Yeadicke Railroad-tie.
US1138428A (en) * 1914-08-12 1915-05-04 Joseph F Vallin Metallic railway-tie.
US1260336A (en) * 1915-05-08 1918-03-26 Daniel I Cowgill Metallic railroad-tie.
FR690361A (fr) * 1930-02-04 1930-09-19 Procédé de conservation des bois des traverses de chemins de fer
US2669942A (en) * 1949-12-12 1954-02-23 Scheuchzer Auguste Pneumatic ballast tamper
US2875953A (en) * 1954-09-21 1959-03-03 Weber Carl Railway track construction
US3878987A (en) * 1972-02-10 1975-04-22 Japan National Railway Railway track structure
US3942448A (en) * 1973-05-26 1976-03-09 Basf Aktiengesellschaft Apparatus for consolidating ballast
US3877640A (en) * 1974-07-18 1975-04-15 Raghuram Shripad Hemmady Railroad cross supports and process for maintenance of track bed

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5312038A (en) * 1991-10-23 1994-05-17 Paolo Merlanti Drainage system for a railroad superstructure for supporting sleepers
WO1997031154A1 (fr) * 1996-02-21 1997-08-28 Olaf Unbehaun Voie ferree, traverse et element de recouvrement pour l'espace situe entre les traverses
US6216958B1 (en) 1996-02-21 2001-04-17 Olaf Unbehaun Railway track and sleeper and gap-covering element therefor
EP1865107A1 (fr) * 2006-06-09 2007-12-12 Alstom Ferroviaria S.P.A. Traverse ferroviaire
JP2011047143A (ja) * 2009-08-26 2011-03-10 Railway Technical Res Inst 自動沈下補正まくらぎおよび自動沈下補正システム
JP2015101832A (ja) * 2013-11-21 2015-06-04 公益財団法人鉄道総合技術研究所 自動沈下補正装置

Also Published As

Publication number Publication date
EP0006870A1 (fr) 1980-01-23

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