EP0710308B1 - Verankerungsvorrichtung für eine elastische schienenbefestigung - Google Patents

Verankerungsvorrichtung für eine elastische schienenbefestigung Download PDF

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Publication number
EP0710308B1
EP0710308B1 EP94922294A EP94922294A EP0710308B1 EP 0710308 B1 EP0710308 B1 EP 0710308B1 EP 94922294 A EP94922294 A EP 94922294A EP 94922294 A EP94922294 A EP 94922294A EP 0710308 B1 EP0710308 B1 EP 0710308B1
Authority
EP
European Patent Office
Prior art keywords
helicoidal
female
male
face
female member
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
EP94922294A
Other languages
English (en)
French (fr)
Other versions
EP0710308A1 (de
Inventor
Joel Cailliau
Denis Vallet
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.)
Traverses En Beton Arme Systeme Vagneux SA
Allevard SA
Original Assignee
Traverses En Beton Arme Systeme Vagneux SA
Allevard SA
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 Traverses En Beton Arme Systeme Vagneux SA, Allevard SA filed Critical Traverses En Beton Arme Systeme Vagneux SA
Publication of EP0710308A1 publication Critical patent/EP0710308A1/de
Application granted granted Critical
Publication of EP0710308B1 publication Critical patent/EP0710308B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E01B9/00—Fastening rails on sleepers, or the like
    • E01B9/02—Fastening rails, tie-plates, or chairs directly on sleepers or foundations; Means therefor
    • E01B9/04—Fastening on wooden or concrete sleepers or on masonry without clamp members
    • E01B9/14—Plugs, sleeves, thread linings, or other inserts for holes in sleepers

Definitions

  • the present invention relates to a device for anchoring a fastener elastic rail in a railway sleeper.
  • anchoring systems comprising a male element threaded to be fixed by screwing in a female threaded element internal or threaded, incorporated in the crosspiece.
  • This female element is usually made of a plastic sheath inserted in the crosspiece during the molding of the latter. But this sheath resists badly the permanent tensile force exerted by the male element, which results in a creep of the material constituting the sheath, that is to say a deformation continuous resulting in a decrease in the clamping force and therefore compromising the effectiveness of the rail fastener.
  • FR-A-2 677 677 describes a device for anchoring a fastener rail elastic in a cross member comprising a male thread element external intended to be fixed by screwing in a female element to internal thread incorporated in the cross member, and provided with a helical element integral with its external lateral face, the internal diameter of the turns is less than or equal to the outside diameter of the thread of the male element.
  • this game could be filled either by concrete or by thicknesses of the wall of the female element. But in the first case, the interstices to be filled are small and it is then very difficult to control their filling with concrete. In the second case, the manufacturing of the female element is made more complex and more expensive due to dimensional control.
  • the object of the present invention is to resolve satisfactorily technical problems resulting from the above drawbacks.
  • a device for anchoring an elastic rail fastener in a sleeper comprising a male element with external thread intended to be fixed by screwing into a female element with internal thread incorporated in the cross member, and provided with a helical element integral with its lateral face external, whose internal diameter of the turns is less than or equal to outside diameter of the thread of the male element, characterized in that said helical element consists of a wire whose cross-section parallelogram provides overlap in mounting position parallel of the faces of the threads of the helical element by the threads vis-à-vis the male element as well as mutual contact between said element helical and the entire external surface of the threads of the female element.
  • the outer upper face threads of the helical element is inclined relative to the axis of the element male.
  • the upper external face of the helical element is parallel to its inner underside.
  • the section of the element helical is a rhombus.
  • said helical element is screwed onto the body of said female element.
  • the height of said element female is greater than or equal to the height of the helical element.
  • the device comprises in in addition to a flange intended to be housed between the upper face of the crosspiece and the upper edge of the female element.
  • said collar has a sealing wall forming sealing capsule and capable of being perforated by introduction of the male element.
  • the female element and the element helical are provided with a coating of compressible material ensuring the connection with the crosspiece.
  • the device comprises also anti-rotation fins extending longitudinally and the outer edge is located on or inside the cylinder-envelope of the female element with the helical element or the coating.
  • the helical element is metallic and the female element is made of insulating plastic.
  • the device of the invention makes it possible to limit creep while increasing the range of the external thread of the male element on the thread internal of the female element, which improves the resistance to tearing.
  • the device of the invention can be easily adapted to male elements of different lengths by adjusting the height of the element helical and using a single female element.
  • the anchoring device shown in Figures la and 1b is intended for anchoring a rail fastener (not shown) in a crosses railway T. It includes a male thread element external 1 intended to be fixed by screwing in a female element or threaded sheath 2 in insulating plastic material incorporated in the cross member T, generally during the molding of the latter.
  • the female element 2 comprises an element helical 20 secured to its external lateral face, preferably by screwing on the same body of said element 2.
  • the connection between the element female 2 and the concrete of the cross T is thus ensured by means of the helical element 20.
  • the internal diameter of the turns of the helical element 20 is several millimeters smaller than the outside diameter of the thread of the male element 1. In this way, in the mounting position, obtains an axial overlap of the faces opposite the threads respectively of the helical element 20 and of the male element 1. This covering guarantees excellent mechanical resistance in the axial direction. Under static or dynamic loading, the effort of the male element 1 is thus transmitted to the helical element 20 via the wall side of the female element 2 which is formed of a thickness relatively low elastic elastically deformable material does exhibiting a low sensitivity to creep.
  • the male element 1 is blocked upwards thanks to the covering previous and any break in the anchor is thus avoided for values normal effort in the area under consideration. It is also planned to leave, in the radial direction in the mounted position, a clearance between the face side of the male element 1 and the internal face of the female element 2 of in order to compensate for a possible manufacturing dispersion or else a thermal expansion.
  • the bottom of the female element 2 is blind as shown in Figures 1a and 1b but can also be opening out according to embodiments not shown.
  • the helical element 20 is consisting of a metal wire wound in a helix around an axis XX 'whose section is in parallelogram and preferably in rhombus.
  • the section in diamond allows good functional cooperation between the thread of the male element 1 and the profile of the helical element 20. It allows also to produce the side wall of the female element 2 with a substantially uniform thickness.
  • the tips of the cross section rhombus which are oriented radially towards the cross T in the concrete participate in the retention of the female element 2 in its housing.
  • the height of the female element 2 is greater than or equal to the height of the helical element 20 when it is screwed onto the body of said element 2. It is clear however that, given its helical winding, the element 20 has a certain elasticity, especially in the direction XX '.
  • the upper edge of said element 2 is flush with the upper face of the cross member T.
  • a flange 12 as shown in the figure 3.
  • the collar 12 then constitutes an extension of the female element 2 in coming to connect to its upper edge.
  • she does not participate in anchoring since it has no thread.
  • the element helical 20 is not in screwing contact with the flange 12.
  • a cylindrical profile will be given or frustoconical at the mouth of the housing so as not to set up the flange 12 only after molding of the cross member and drying of the concrete. So the risks of cracking due to the phenomenon of shrinkage of the concrete are eliminated.
  • the collar 12 advantageously comprises a sealing wall 12a forming sealing capsule.
  • the wall 12a is capable of being perforated by introduction of the lower end of the male element 1 during assembly.
  • the female element 2 and the helical element 20 are provided with a coating 22 of compressible material (such as certain elastomeric or plastic materials) which ensures the connection with the concrete of the cross member T.
  • This coating 22 is produced for example by overmolding and absorbs the expansion differences between the material of the female element 2 and / or of the helical element 20 and the concrete of the crosses T.
  • the face outer side of the coating 22 has fins 220 which extend in a longitudinal direction discontinuously between two adjacent turns of the helical element 20. These fins have for function to prohibit rotation of the lower part of the device anchor with respect to the cross member T.
  • the fins 220 are made by molding or overmolding and have a radial width less than or equal to the depth of the groove in propeller delimited by the envelope cylinder of the coating 22. In the case where no coating is provided, the radial width of the fins 220 is less than or equal to the projecting part of the helical element 20. In in all cases, the outer edge of the fins is located on or inside the cylinder-envelope of the lower part of the anchoring device. Optionally, the device will include several series of fins 220 aligned or offset on the outer side face.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Dowels (AREA)
  • Railway Tracks (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Chutes (AREA)
  • Vehicle Body Suspensions (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Chain Conveyers (AREA)
  • Gear-Shifting Mechanisms (AREA)
  • Vibration Prevention Devices (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Bolts, Nuts, And Washers (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Clamps And Clips (AREA)
  • Installation Of Indoor Wiring (AREA)
  • Window Of Vehicle (AREA)
  • Supports For Pipes And Cables (AREA)

Claims (12)

  1. Verankerungselement für eine elastische Schienenbefestigung an einem Querträger (T), enthaltend ein Steckelement mit Außengewinde (1) für eine Verschraubungsbefestigung mit einem in dem Querträger (T) enthaltenem Buchsenelement mit Innengewinde (2) und versehen mit einem an seiner Außenrandfläche in einem Stück ausgebildetem schraubenförmigen Element, dessen Windungsinnendurchmesser kleiner gleich dem Außendurchmesser des Gewindes von dem Steckerelement (1) ist, dadurch gekennzeichnet, daß das schraubenförmige Element (20) durch einen Draht gebildet ist, dessen Parallelogramm-Formprofil ermöglicht, daß in der Einbaulage eine parallele Abdeckung der Gewindeflächen des schraubenförmigen Elements (20) durch die gegenüberliegenden Gewindeflächen des Steckelements (1) derart erzielt wird, daß ein wechselseitiger Kontakt zwischen dem schraubenförmigen Element und der gesamten Außenoberfläche der Gewindeflächen des Buchsenelements (2) erfolgt.
  2. Einrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die obere Außenfläche der Gewindegänge des schraubenförmigen Elements (2) im Hinblick auf die Achse des Steckelements (1) geneigt ist.
  3. Einrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die obere Außenfläche des schraubenförmigen Elements (20) parallel zu seiner unteren Innenfläche verläuft.
  4. Einrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Querschnitt des schraubenförmigen Elements (20) ein Rombus ist.
  5. Einrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das schraubenförmige Element (20) mit dem Körper des Buchsenelements (2) verschraubt ist.
  6. Einrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Höhe des Buchsenlements (2) größer gleich der Höhe des schraubenförmigen Elements (20) ist.
  7. Einrichtung nach Anspruch 6, dadurch gekennzeichnet, daß sie zudem einen Kragen (12) aufweist, der an der oberen Fläche des Querträgers (T) und dem oberen Rand des Buchsenelements (2) anliegt.
  8. Einrichtung nach Anspruch 7, dadurch gekennzeichnet, daß der Kragen (12) eine Verschlußwand (12a) aufweist, die eine Abdichtkapsel bildet und bei Einführen des Steckelements (1) durchstoßbar ist.
  9. Einrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Buchsenelement (2) und das schraubenförmige Element (20) in einem Ummantelungselement (22) aus komprimierbarem Material zum Gewährleisten der Verbindung mit der Querschiene (T) vorgesehen sind.
  10. Einrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß es sich in Längsrichtung erstreckende Dreh-Sperrflügel (220) aufweist, deren Außenrand an oder innerhalb des Zylindermantels des Buchsenelements (2) mit dem schraubenförmigen Element (20) oder der Ummantelung (22) angeordnet ist.
  11. Einrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß es derart ausgebildet ist, daß das schraubenförmige Element (20) metallisch ist und das Buchsenelement (2) aus isolierendem Plastikmaterial ist.
  12. Einrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß zwischen der Randfläche des Steckelements (1) und der Innenfläche des Buchsenelements (2) Radialspiel besteht.
EP94922294A 1993-07-23 1994-07-22 Verankerungsvorrichtung für eine elastische schienenbefestigung Expired - Lifetime EP0710308B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9309109A FR2708012B1 (fr) 1993-07-23 1993-07-23 Dispositif d'ancrage d'une attache élastique de rail.
FR9309109 1993-07-23
PCT/FR1994/000920 WO1995003451A1 (fr) 1993-07-23 1994-07-22 Dispositif d'ancrage d'une attache elastique de rail

Publications (2)

Publication Number Publication Date
EP0710308A1 EP0710308A1 (de) 1996-05-08
EP0710308B1 true EP0710308B1 (de) 1998-05-06

Family

ID=9449577

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94922294A Expired - Lifetime EP0710308B1 (de) 1993-07-23 1994-07-22 Verankerungsvorrichtung für eine elastische schienenbefestigung

Country Status (13)

Country Link
EP (1) EP0710308B1 (de)
AT (1) ATE165882T1 (de)
DE (1) DE69410097T2 (de)
DK (1) DK0710308T3 (de)
DZ (1) DZ1803A1 (de)
ES (1) ES2119214T3 (de)
FR (1) FR2708012B1 (de)
GR (1) GR3027588T3 (de)
HU (1) HU218802B (de)
MA (1) MA23281A1 (de)
RO (1) RO116023B1 (de)
TN (1) TNSN94083A1 (de)
WO (1) WO1995003451A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011055797A1 (de) * 2011-11-29 2013-05-29 Track Tec GmbH Befestigungsvorrichtung mit Dübel und Bewehrung
ITBS20130132A1 (it) * 2013-09-25 2015-03-26 Essebi Plast S R L Tappo di protezione del tassello di una traversina ferroviaria e traversina ferroviaria
RU185598U1 (ru) * 2018-09-07 2018-12-11 Акционерное Общество "Комплексное Сервисное Обслуживание Пути" Железобетонная шпала
RU202904U1 (ru) * 2020-07-21 2021-03-12 Открытое акционерное общество "Северсталь-метиз" Спираль для армирования железобетонного подрельсового основания в зоне установки дюбеля

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB249773A (en) * 1925-11-16 1926-04-01 Edmond Francois Leopold Vagneu Improvements in or relating to means for securing railroad lines to sleepers
FR686672A (fr) * 1929-12-14 1930-07-29 Perfectionnements des attaches pour traverses en béton armé
FR2315568A1 (fr) * 1975-06-25 1977-01-21 Vape Sa Ets Dispositif de fixation a vis dans un element de construction en matiere agglomeree
FR2677677B1 (fr) * 1991-06-17 1996-07-05 Urba Insert pour ancrage de fixation de traverses de chemin de fer.

Also Published As

Publication number Publication date
DK0710308T3 (da) 1999-03-15
TNSN94083A1 (fr) 1995-04-25
GR3027588T3 (en) 1998-11-30
EP0710308A1 (de) 1996-05-08
FR2708012A1 (fr) 1995-01-27
DE69410097D1 (de) 1998-06-10
FR2708012B1 (fr) 1995-10-20
ATE165882T1 (de) 1998-05-15
HU218802B (hu) 2000-12-28
HUT75632A (en) 1997-05-28
DZ1803A1 (fr) 2002-02-17
HU9600144D0 (en) 1996-03-28
RO116023B1 (ro) 2000-09-29
WO1995003451A1 (fr) 1995-02-02
DE69410097T2 (de) 1998-12-17
MA23281A1 (fr) 1995-04-01
ES2119214T3 (es) 1998-10-01

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