EP0513105B1 - Vorrichtung zur befestigung von eisenbahnschienen auf einem beton- oder metallträger - Google Patents
Vorrichtung zur befestigung von eisenbahnschienen auf einem beton- oder metallträger Download PDFInfo
- Publication number
- EP0513105B1 EP0513105B1 EP91903328A EP91903328A EP0513105B1 EP 0513105 B1 EP0513105 B1 EP 0513105B1 EP 91903328 A EP91903328 A EP 91903328A EP 91903328 A EP91903328 A EP 91903328A EP 0513105 B1 EP0513105 B1 EP 0513105B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- blade
- rail
- support
- insert
- stop
- 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
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
- E01B9/00—Fastening rails on sleepers, or the like
- E01B9/02—Fastening rails, tie-plates, or chairs directly on sleepers or foundations; Means therefor
- E01B9/28—Fastening on wooden or concrete sleepers or on masonry with clamp members
- E01B9/30—Fastening on wooden or concrete sleepers or on masonry with clamp members by resilient steel clips
Definitions
- the present invention relates to a device for fixing a railway rail to a concrete or metal support.
- the pre-assembled character means that the fixing was put in place as of the manufacture of the support or cross-member, and that it is in a position such that it will be possible on the site to bring, deposit and position the rail without dismantling or moving a any element.
- Patent VOSSLOH DE 32 43 895 describes a device of this type (cf. preamble of claim 1) which however has a certain number of drawbacks in particular with regard to the spring of this fixing which is made of a wire.
- steel in the form of an open loop tightened by a lag screw which requires, in the pre-assembled position, to sufficiently tighten the lag screw to hold the spring in place otherwise, when handling the cross member, the spring may come off.
- This tightening which is not always correct complicates the mechanization of the installation. Indeed, once the rail is in place, you have to unscrew the lag screw to pivot the fastener by 180 °, then tighten it and unscrewing the lag screw cannot be done by hand because the initial tightening was deliberately strong enough to hold the spring.
- the attachment spring presses once pivoted in the clamping position, directly on the rail pad.
- the contact pressure of the spring metal on the metal of the rail is therefore very high and often causes a notching of the rail pad by the spring, in particular if very elastic soles are used under the rail.
- the present invention aims to solve these technical problems satisfactorily.
- said means for wedging the blade comprise an insulating stop mounted on the underside of the blade at its outer edge, said stop being intended to come respectively into the pre-assembly position or into the working position of the blade, either in contact with the support and the outer edge of the interlayer, or in contact with the rail and the inner edge of the interlayer.
- said spacer comprises at its external part an anchoring element intended to be inserted in a corresponding housing of the support.
- the device of the invention makes it possible both to distribute the clamping pressure, to electrically isolate the blade from the rail and to retain the blade in transverse position relative to the rail, the end of the blade opposite to that equipped with the insulating stop being, for its part, always in abutment on one or the other of the ends of the insulating interlayer.
- the leaf spring is inseparable from the support.
- the leaf spring in the tight position is mechanically and electrically isolated from the rail and the rear support reaction of the blade takes place further from the rail than the transverse support on the concrete. Finally, the anchoring of the binding benefiting from the present invention does not need to be electrically isolated from the support cross member, which makes this device very economical.
- the cooperation of the blade blocking means with the wedging means of said blade allows the device to be pre-assembled on the support without hindering the subsequent installation of the rail, then the pivoting and the support of the blade against the rail in place.
- This combination of means also avoids all displacement and any untimely rotation of any of the elements of the device despite the movements of the rail when the trains pass.
- Figure 1 shows a side view of the fixing device of the invention in the pre-assembled position.
- FIG. 2 represents a top view of the device of FIG. 1.
- FIG. 3 represents a side view of the fixing device in the clamped position on the rail.
- FIG. 4 represents a top view of the device of FIG. 3.
- FIG. 5 represents a sectional view along AA of the device of FIG. 4.
- Figure 6 shows a side view of the leaf spring before tightening.
- Figure 7 shows a side view of the leaf spring after tightening.
- Figure 8 shows a top view of the leaf spring before or after tightening.
- Figures 9 and 10 are top and side views of the insulating interlayer.
- the device of the invention as shown in Figures 1 to 4 comprises a leaf spring 5 pivotally mounted on the support by means of a clamping member 6 passing through the blade 5 through an opening 53, between a transport position also allowing the installation of the rail and a working position ensuring support against the rail and an insulating interlayer 3 disposed between the support 1 and the blade 5.
- the device of the invention also comprises locking means and means for wedging the blade 5 in the transport position and in the working position.
- the locking means as shown in Figures 1 to 4 comprise two housings 32, 38 formed on the upper face of the interlayer respectively on either side of the clamping member 6 and intended to receive respectively in the pre-assembly position and in the working position a corresponding boss 52 of the blade, and a lug (34) produced on the upper face of the interlayer 3 and intended to be inserted into the opening of the blade when the latter is in the working position; said opening being made in the form of an oblong hole 53 extending perpendicular to the rail.
- interlayer 3 has more than two housings to reinforce the holding of the blade in its various positions.
- the wedging means as shown in Figures 1 to 4 comprise an insulating stop 4 mounted on the inner face of the blade at its outer edge 51; said stop being intended to come respectively in the pre-assembly position or in the working position of the blade, either in contact with the support 1 and the outer edge 33 of the interlayer 3, or in contact with the rail and the inner edge 31 of the tab 3.
- Figure 1 shows the fixing device in the pre-assembled position when the rail has not yet been placed on its support.
- the clamping member 6 passes through the leaf spring 5 through an opening made in the form of the oblong hole 53 as well as through a round or oblong hole (36) of the interlayer 3 and is screwed or seal in the support 1.
- the stop 4 is clipped onto the outer edge 51 of the spring blade 5. It presses by its lower face 41 on the support 1 and abuts against the outer edge 33 of the interlayer 3. Thus, the spring blade 5 / stop 4 assembly cannot move towards the axis A of the support table.
- the rail is put in place, it is placed on the sole 2 between the faces 31 of the spacers 3 of the two fastening devices facing each other.
- the stop 4 made integral with the blade 5, is therefore movable with the latter in the pivoting between its pre-assembly and transport position and its working position.
- the face 31 of the interlayer 3 is closer to the axis A than any other part of the binding.
- the head 61 of the clamping member 6 can participate in guiding the rail during its descent and its installation on the sole 2, this in order to protect the edge 31 of the interlayer 3 if necessary.
- the sole 2 is deposited there and then the interlayer 3.
- the edge 31 preferably presses on the edge of the sole 2 but it can also press directly on the bottom of the support 1.
- the interlayer 3 possibly has an anchoring element such as a small stud 35 intended to be inserted in a corresponding housing 12 of the cross member 1 to properly hold it in place.
- the length of the interlayer 3 measured between its inner 31 and outer 33 ends is such that in the pre-assembled position the leaf spring 5 is blocked by resting at its end comprising the boss 52 in the appropriate housing 32 of the interlayer 3 while its other end 51 provided with the movable stop 4 is wedged and retained against the outer edge 33 of the interlayer 3. In this way, it is not necessary to tighten the screw or the bolt of the tightening member 6 to hold the blade 5 in place. There may even be a slight clearance between the head or the nut 61 of the clamping member 6 and the top of the leaf spring 5; the latter being blocked in rotation and in vertical translation.
- Figure 2 is a top view of Figure 1 with the trace 71 of the edge of the rail pad.
- the trace 71 is very close to the inner edge 31 of the interlayer 3.
- the distance between the trace 71 and the inner edge 31 is variable during installation. In general, it is between 0 and 3.5 mm to accept the rolling tolerances of the rail shoe.
- the leaf spring 5 has a substantially trapezoidal shape when viewed from above.
- the stop 4 once clipped to the outer edge 51 of the blade 5, can no longer separate away from the interlayer 3 and this thanks to the angle ⁇ between the outer edge 51 and the lateral edge of the blade which is less than 90 °.
- the stop 4 can also not approach the interlayer 3 because it is in bearing contact against the outer edge of said interlayer 3 and there should be a clearance of at least 3 or 4 mm between the bottom of the head 61 of the clamping member 6 and the top of the blade 5 so that the stop 4 can lift and escape the outer edge 33 of the interlayer 3.
- the stop 4 is glued or molded to the end 51 of the blade 5.
- this clearance J is a function of the elasticity in compression of the sole 2 and of the tightening mode of the lag screw 6 During a movement of the rail, the clearance J varies because the elastic blade 5 tends to follow the rail movement.
- the lateral forces communicated by the rail cause the edge 71 of the pad to press against the inner edge 31 of the interlayer 3 which retransmits these forces on the shoulder 11 of the support 1 by its internal face 37.
- the vertical reaction of support of the rear edge 52 of the blade 5 compresses the support 1 and therefore reduces the harmful effects of the lateral thrust of the face 37 of the interlayer 3 on the shoulder 11, lateral thrust which is thus located between the rail and rear vertical support of the leaf spring.
- the rail 7 is only in contact with elastic and insulating parts, the sole 2, the stop 4 and the interlayer 3.
- interlayer 3 and the stopper 4 must both be insulating, they are not mechanically stressed in the same way and it is preferable to take this into account in the choice of materials.
- midsole 3 and sole 2 in one piece.
- Figure 4 is a top view of Figure 3.
- a lug 34 is produced on the upper face of the interlayer 3 and is inserted into the opening in the form of oblong hole 53 of the blade when the latter is in the working position.
- FIG. 5 represents the principle of clipping the stop 4 onto the blade 5 by means of the elastic lugs 41,42,43,44. This arrangement is not, however, limiting and, as already indicated above, the stop 4 can be adhered to or molded onto the edge 51 of the blade 5.
- FIGS. 6, 7 and 8 show the leaf spring 5 with its central flat part, its outer edge 51 and its boss 52.
- Figure 7 shows the new curve of the blade 5 after tightening.
- the general shape of the blade 5 is not limiting, but the present invention requires a trapezoidal blade of flat steel provided with a hole which is sufficiently oblong to be able to be put in a sufficiently offset position in the pre-assembled position, so as not to hinder the setting in place. rail place.
- a rectangular blade would however also be possible if the stop 4 is adhered to or overmolded on said blade (the angle ⁇ of the blade 5 is no longer a retaining element of the stop 4 on the edge 51 of the blade 5) .
- Figures 9 and 10 show tab 3.
- This insert 3 is optionally provided with an anchoring element such as a stud 35.
- the housing 32 is intended to receive the boss 52 of the blade 5 in the pre-assembled position while the housing 38 will receive the boss 52 of the blade 5 in the working position (support against the rail).
- the hole 36 here shown round, will allow the rod 62 of the clamping member to pass through. This hole 36 may also be oblong or even open out onto the internal edge 31 to facilitate the positioning of the interlayer 3 during manufacture. of the support 1. Generally there is a clearance between the rod 61 and the hole 36 so that in the presence of lateral forces, the rod 61 does not undergo any bending force.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Railway Tracks (AREA)
- Clamps And Clips (AREA)
Claims (8)
- Vorrichtung zur Befestigung einer Schiene auf einem Träger (1) mit:- einer Blattfeder (5), die am Träger mit Hilfe eines Klemmorgans (6), das durch eine Öffnung (53) der Blattfeder (5) hindurch verläuft, zwischen einer Transportposition, die auch die Anbringung der Schiene ermöglicht, und einer Arbeitsposition, die den Druck auf die Schiene sicherstellt, schwenkbar montiert ist, und- einem zwischen dem Träger (1) und der Blattfeder (5) angeordneten isolierenden Zwischenstück (3),- Mittel zur Befestigung der Blattfeder derart, daß die Blattfeder am Träger vormontiert werden kann, ohne die nachfolgende Anbringung der Schiene zu behindern, und anschließend geschwenkt und gegen die angebrachte Schiene angedrückt gehalten werden kann, und- Mittel zur Blockierung der Feder, bestehend aus wenigstens zwei an der Oberseite des Zwischenstücks an jeweils einer Seite des Klemmorgans (6) gebildeten Aussparungen (32, 38), die vorgesehen sind, um jeweils in Vormontage bzw. Arbeitsposition eine entsprechende Ausbuchtung (52) der Blattfeder aufzunehmen,dadurch gekennzeichnet, daß die Blockierungsmittel außerdem umfassen:
- einen an der Oberseite des Zwischenstücks (3) gebildeten Vorsprung (34), der dazu bestimmt ist, sich in die Öffnung (53) der Blattfeder einzufügen, wenn diese in Arbeitsposition ist, und daß die Befestigungsmittel der Feder umfassen:
einen an der Unterseite der Blattfeder in Höhe ihrer äußeren Kante (51) montierten isolierenden Anschlag (4), der dazu bestimmt ist, in Vormontageposition der Blattfeder in Kontakt mit dem Träger (1) und der Außenkante (33) des Zwischenstücks (3) bzw. in Arbeitsposition in Kontakt mit der Schiene und der inneren Kante (31) des Zwischenstücks (3) zu kommen. - Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß das Zwischenstück (3) in Höhe seines äußeren Bereichs ein Verankerungselement (35) aufweist, das dazu bestimmt ist, in eine entsprechende Aussparung (12) des Trägers eingeführt zu werden.
- Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Blattfeder im wesentlichen trapezförmig ist.
- Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Öffnung (53) in Form eines senkrecht zur Schiene verlaufenden ovalen Lochs ausgebildet ist.
- Vorrichtung nach einem der Ansprüche 1-4, dadurch gekennzeichnet, daß der isolierende Anschlag (4) an die Außenkante (51) der Blattfeder (5) mit Hilfe elastischer Vorsprünge (41, 42, 43, 44) angeklemmt ist.
- Vorrichtung nach einem der Ansprüche 1-4, dadurch gekennzeichnet, daß der bewegliche Anschlag (4) an die Außenkante (51) der Blattfeder (5) angeklebt oder angeformt ist.
- Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß in festgezogener Position der Blattfeder (5) das Spiel (J) zwischen der Unterseite der Blattfeder (5) und der Oberseite (3) des Zwischenstücks zwischen 0 und 4 mm liegt.
- Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Zwischenstück (3) eine Innenseite (37) aufweist, die dazu bestimmt ist, gegen eine Schulter (11) des Trägers (1) zu drücken.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9001086A FR2657631B1 (fr) | 1990-01-30 | 1990-01-30 | Dispositif de fixation de rail de chemin de fer sur un support en beton ou en metal. |
FR9001086 | 1990-01-30 | ||
PCT/FR1991/000049 WO1991011556A1 (fr) | 1990-01-30 | 1991-01-29 | Dispositif de fixation de rail de chemin de fer sur un support en beton ou en metal |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0513105A1 EP0513105A1 (de) | 1992-11-19 |
EP0513105B1 true EP0513105B1 (de) | 1994-06-22 |
Family
ID=9393242
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91903328A Expired - Lifetime EP0513105B1 (de) | 1990-01-30 | 1991-01-29 | Vorrichtung zur befestigung von eisenbahnschienen auf einem beton- oder metallträger |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP0513105B1 (de) |
JP (1) | JPH05508202A (de) |
CS (1) | CS21491A2 (de) |
FR (1) | FR2657631B1 (de) |
IE (1) | IE910300A1 (de) |
MA (1) | MA22052A1 (de) |
OA (1) | OA09341A (de) |
PT (1) | PT96596A (de) |
TN (1) | TNSN91005A1 (de) |
WO (1) | WO1991011556A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IN185923B (de) * | 1991-12-18 | 2001-05-19 | Pandrol Ltd | |
US5735458A (en) * | 1991-12-18 | 1998-04-07 | Pandrol Limited | Fastening railway rails |
FR2755449B1 (fr) * | 1996-11-06 | 1999-01-22 | Allevard Sa | Dispositif de blocage pour fixation de rail |
JP2003064605A (ja) * | 2001-08-23 | 2003-03-05 | Toko Sangyo Kk | 支承装置 |
FR2933107B1 (fr) * | 2008-06-26 | 2010-09-17 | Railtech Int | Dispositif de fixation de rail sur un support de voie. |
FR2971268A1 (fr) | 2011-02-09 | 2012-08-10 | Vape Rail Int | Dispositif de fixation d'un rail de chemin de fer sur un support tel qu'une traverse |
FR2971267B1 (fr) | 2011-02-09 | 2014-06-27 | Vape Rail Int | Dispositif de fixation d'un rail de chemin de fer sur un support tel qu'une traverse |
HUP1600654A2 (en) * | 2016-12-07 | 2018-06-28 | Hr System Hungary Zrt | Rail fastening device |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH330397A (fr) * | 1956-04-13 | 1958-06-15 | Bayliss Jones & Bayliss Limite | Dispositif de fixation d'un rail à patin à une traverse |
GB1169715A (en) * | 1966-08-16 | 1969-11-05 | British Railways Board | Improvements relating to Rail Fastenings |
FR2627519B1 (fr) * | 1988-10-19 | 1990-08-10 | Allevard Ind Sa | Dispositif de calage d'une lame ressort sur une traverse de chemin de fer |
-
1990
- 1990-01-30 FR FR9001086A patent/FR2657631B1/fr not_active Expired - Lifetime
-
1991
- 1991-01-29 EP EP91903328A patent/EP0513105B1/de not_active Expired - Lifetime
- 1991-01-29 MA MA22325A patent/MA22052A1/fr unknown
- 1991-01-29 WO PCT/FR1991/000049 patent/WO1991011556A1/fr active IP Right Grant
- 1991-01-29 JP JP91503768A patent/JPH05508202A/ja active Pending
- 1991-01-29 PT PT96596A patent/PT96596A/pt not_active Application Discontinuation
- 1991-01-29 IE IE030091A patent/IE910300A1/en unknown
- 1991-01-30 OA OA59942A patent/OA09341A/xx unknown
- 1991-01-30 TN TNTNSN91005A patent/TNSN91005A1/fr unknown
- 1991-01-30 CS CS91214A patent/CS21491A2/cs unknown
Also Published As
Publication number | Publication date |
---|---|
IE910300A1 (en) | 1991-07-31 |
EP0513105A1 (de) | 1992-11-19 |
OA09341A (fr) | 1992-09-15 |
MA22052A1 (fr) | 1991-10-01 |
PT96596A (pt) | 1992-09-30 |
WO1991011556A1 (fr) | 1991-08-08 |
FR2657631A1 (fr) | 1991-08-02 |
JPH05508202A (ja) | 1993-11-18 |
FR2657631B1 (fr) | 1997-05-09 |
TNSN91005A1 (fr) | 1992-10-25 |
CS21491A2 (en) | 1991-10-15 |
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