EP0677127A1 - Butee isolante pour attache de rail de chemin de fer. - Google Patents
Butee isolante pour attache de rail de chemin de fer.Info
- Publication number
- EP0677127A1 EP0677127A1 EP94902863A EP94902863A EP0677127A1 EP 0677127 A1 EP0677127 A1 EP 0677127A1 EP 94902863 A EP94902863 A EP 94902863A EP 94902863 A EP94902863 A EP 94902863A EP 0677127 A1 EP0677127 A1 EP 0677127A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- face
- fastener
- stop according
- stop
- central
- 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.)
- Granted
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
- 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
- E01B9/306—Fastening on wooden or concrete sleepers or on masonry with clamp members by resilient steel clips the clip being a shaped plate
-
- 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
- Insulating stopper for rail track fastening Insulating stopper for rail track fastening.
- the present invention relates to an insulating stop for a rail fastener.
- the insulating lateral stops have very varied geometries depending on the fixing system of which they are a part. They are generally made of a plastic material allowing a good compromise to be obtained between mechanical and electrical properties.
- the known insulating stops comprise a front part for bearing against the shoe of the rail, a base resting in a corresponding housing of the cross member, an upper part for supporting the fastener provided with means for supporting the rear end of said fastener and a central through hole for the passage of an anchoring member and a rear part provided with a wedging face against the rear wall of the cross member housing.
- the object of the present invention is to solve the above technical problems by providing that the upper part has a central depression, the bottom of which is inclined downwards from front to rear, which is laterally flanked by two symmetrical reinforcing ribs and limited towards the rear by the support means of the fastener.
- the central through hole extends upwards through a portion of cylinder to open into the depression slightly above the upper face of the ribs.
- the inclined bottom communicates at the rear with a groove formed through the support means of the fastener and opening out at the rear part.
- each reinforcing rib is connected by its outer edge to a lateral wing.
- said support means of the rear end of the fastener consist of two symmetrical cradles connected transversely to the respective rear end of each rib and the two cradles are arranged on either side of said groove at the upper face of the ribs.
- the base comprises a central inclined face corresponding to the underside of the depression, bordered by two concave lateral spoils.
- the lower end of the remains and that of the inclined face are joined by a transverse support face which transmits to the cross member the pressure from the rear end of the fastener and the transverse support face is connected to the rear wedging face s 'extending substantially vertically and in a plane approximately perpendicular to the cradles.
- the thickness of the wall of the cylinder portion is determined so as to avoid excessive bending of the fastener by forming a support stop for the blade, which consequently limits the bending deformations of the assembly. of fixation.
- the bending of the stop may exceed the accepted value, which may cause cracks or even a rupture.
- the protuberance of the base makes it possible to avoid these phenomena.
- the stop of the invention is lighter and more compact than existing stops while offering a high resistance to compression generated by the transverse forces of the rail thanks to the specific geometry of the transition volumes between the upper part, the base, the rear part and the front part.
- this stop has no solid parts and can therefore be easily manufactured by injection molding without the phenomenon of withdrawal or inclusion of air being detrimental to the quality and effectiveness of the finished product.
- FIG. 1 shows a perspective view of the stop of the invention cooperating with a rail fastening system
- FIG. 4 shows a bottom view of another embodiment of the stop of Figure 3.
- FIG. 5 shows an exploded perspective view of a rail fastening system comprising a stop according to the invention.
- the stop B shown in Figures 1 to 5 comprises a front part 1 of support against the shoe of the rail R, a base 2 resting in a corresponding housing L of the cross T, an upper part 3 of support for the fastener A consisting of a leaf spring and a rear part 4 comprising a wedging face 40 against the rear wall of the housing L of the cross member T.
- the front part 1 has two angled faces 11, 12 matching the lateral edge of the rail pad R (see FIGS. 3 and 5).
- the upper part 3 is provided with support means 36 of the rear end of the fastener A and a central through hole 34 for the passage of the anchor member X in the cross member T (see FIGS. 2 and 5).
- the upper part 3 also includes a central depression or recess 33, the bottom 330 of which is inclined downwards from the front towards the rear of the stop.
- the depression 33 is flanked laterally by two symmetrical ribs 31, 32 of reinforcement and is limited towards the rear by the support means 36 of the fastener A.
- the depression 33 rises gradually forward to the level of a flat rim 30 on which the front part of the fastener comes to bear.
- the inclined bottom 330 communicates at its lower rear end, with a groove 35 opening onto the cross-member T directly above the rear part 4 and intended to evacuate water infiltration.
- the groove 35 is formed through the support means 36 of the fastener A and thus separates them into two symmetrical parts.
- the upper face of the reinforcing ribs 31, 32 is situated at a level slightly lower than that of the flat edge 30.
- Each rib 31, 32 is connected by its outer edge to a lateral wing 310, 320 which reinforces the stability in compression.
- the central orifice 34 is extended upwards by a portion of cylinder 37 to open into the depression 33 above the level of the upper face of the ribs 31, 32.
- the upper edge of the wall of the cylinder 37 thus constitutes a support stop for the central part of the fastener A.
- the thickness of the wall of the cylinder 37 is determined so as to avoid excessive bending of the fastener A.
- the support means 36 of the rear end of the fastener A consist of two symmetrical cradles 361,362 on either side of the groove 35 connected transversely to the respective rear end of each rib 31,32.
- the bottom of the cradles 361,362 is located at a lower level relative to the upper face of the ribs 31,32 while their upper front edge is located at the same level.
- the cradles 361,362 are closed laterally by vertical walls 360.
- the base 2 of the stop B has a central inclined face 22 corresponding to the underside of the depression 33 whose inclination is the same as that of the bottom 330 and where the central orifice 34 opens.
- the pan 22 is bordered over its entire length with two concave and symmetrical side drafts 23, 24.
- the transverse support face 21 rises slightly inclined upwards and backwards relative to the mean plane of the upper part 3.
- the transverse face 21 is connected to the rear face 40 of wedging the rear part 4 extending substantially vertically and in a plane approximately perpendicular to the cradles 361,362.
- the rear face 40 bears against the rear internal wall of the housing L of the cross member T.
- the width of the upper part 3 located above the cross member T is greater than that of the base 2 housed in the cross member so that the underside of the lateral wings 310, 320 normally rests on the upper face of the cross member T while the lateral faces of the bodies 23, 24 are in contact with the internal lateral walls of the housing L (see FIG. 5).
- the wedging face 40 of the rear part 4 is extended horizontally by a face 41 resting on the upper face of the cross-member T and reflecting, just like the support face 21, part of the forces from the rear end of the fastener AT.
- the horizontal face 41 is provided over its entire width with a groove 42 at the junction with the wedging face 40.
- the stop represented in FIG. 4 conforms to that which is illustrated in FIGS. 1 to 3, but its base 2 also comprises at least one and preferably two frustoconical protuberances or lugs 251,252 arranged symmetrically on either side of the inclined face central 22.
- protrusions are intended to come into bearing contact against the upper face of the housing L of the cross-member T during the bending of the stop from a predetermined clamping force. These protrusions 251, 252 thus limit the bending of the stop and prevent the appearance of any phenomenon of deformation or rupture.
- the protrusions 251,252 are produced in the undercuts 23,24 midway between the front and rear support zones of the stop, that is to say in the zone where the amplitude of the bending is maximum .
- the clearance located between the lower end of the protrusions 251, 252 and the upper face of the housing L is between 0.5 and 3 mm. After tightening, there should be little play. If the tightening is excessive, the protrusions come to bear against the upper face of the housing L and the deformation of the bending is limited.
- This additional support can have drawbacks for certain applications; for this purpose by a judicious choice of the geometry of the protrusions associated with the creep or relaxation properties of the material, it is possible to obtain a bearing force whose value decreases rapidly over time to become almost zero.
- the bearing force is therefore only effective when it is useful, that is to say during tightening.
- the protuberances are produced in the form of frustoconical elements.
- the lower support face of these elements has a circular section whose surface is for example less than or equal to 2 cm 2 -
- the protrusions 251, 252 are produced in one piece with the stop directly by injection molding.
- the stop shown in Figure 4 also includes on the inclined face 22, a vertical lug 26 for wedging intended to be inserted into a corresponding slot formed in the housing L.
- the protuberance is produced on the base 2 in the form of a cylinder surrounding the central orifice 34.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Railway Tracks (AREA)
- Connection Of Plates (AREA)
- Seats For Vehicles (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Moving Of Heads (AREA)
- Insulators (AREA)
- Seal Device For Vehicle (AREA)
- Road Paving Structures (AREA)
- Bridges Or Land Bridges (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Linear Motors (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Description
Claims
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9215860 | 1992-12-29 | ||
FR9215860A FR2699942B1 (fr) | 1992-12-29 | 1992-12-29 | Butée isolante pour attache de rail de chemin de fer. |
FR9307680 | 1993-06-24 | ||
FR9307680A FR2699943B1 (fr) | 1992-12-29 | 1993-06-24 | Butée isolante pour attache de rail de chemin de fer. |
PCT/FR1993/001304 WO1994015022A1 (fr) | 1992-12-29 | 1993-12-28 | Butee isolante pour attache de rail de chemin de fer |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0677127A1 true EP0677127A1 (fr) | 1995-10-18 |
EP0677127B1 EP0677127B1 (fr) | 1997-07-30 |
Family
ID=26229998
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94902863A Expired - Lifetime EP0677127B1 (fr) | 1992-12-29 | 1993-12-28 | Butee isolante pour attache de rail de chemin de fer |
Country Status (17)
Country | Link |
---|---|
EP (1) | EP0677127B1 (fr) |
JP (1) | JP3260374B2 (fr) |
KR (1) | KR960700381A (fr) |
CN (1) | CN1103687A (fr) |
AT (1) | ATE156211T1 (fr) |
BR (1) | BR9307751A (fr) |
DE (1) | DE69312742D1 (fr) |
DK (1) | DK0677127T3 (fr) |
DZ (1) | DZ1743A1 (fr) |
ES (2) | ES2096513B1 (fr) |
FR (1) | FR2699943B1 (fr) |
GR (1) | GR3024838T3 (fr) |
MA (1) | MA23059A1 (fr) |
MX (1) | MX9308180A (fr) |
OA (1) | OA10170A (fr) |
TN (1) | TNSN93142A1 (fr) |
WO (1) | WO1994015022A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9315947B2 (en) | 2011-02-01 | 2016-04-19 | Pandrol Limited | Railway rail fastening clip and insulator |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2119656B1 (es) * | 1995-09-22 | 1999-05-16 | Red Nac Ferrocarriles Espan | Perfeccionamientos introducidos en las placas acodadas para sujeciones elasticas de carriles sobre traviesas de hormigon. |
FR2764316B1 (fr) * | 1997-06-05 | 1999-08-27 | Allevard Stedef | Dispositif de fixation ajustable d'un rail |
US6305615B1 (en) * | 2000-08-16 | 2001-10-23 | Otis Elevator Company | Rail clip |
DE202007018602U1 (de) * | 2007-09-21 | 2008-12-04 | Vossloh-Werke Gmbh | System zum Befestigen einer Schiene |
CN101824780B (zh) * | 2009-02-11 | 2013-10-23 | 沃斯洛工厂有限公司 | 将铁轨紧固至路基的系统的导板及包含该导板的系统 |
US20110047786A1 (en) * | 2009-02-11 | 2011-03-03 | Vossloh-Werke Gmbh | Guide plate for a system for securing a rail on a substrate and a system comprising such guide plate |
GB2476460B (en) * | 2009-12-22 | 2016-01-13 | Pandrol Ltd | Railway rail fastening apparatus |
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 |
GB2510419B (en) * | 2013-02-04 | 2020-02-05 | Pandrol Ltd | A railway rail anchoring device |
DE102013221175B4 (de) | 2013-10-18 | 2020-10-01 | Semperit Ag Holding | Winkelführungsplatte |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2411920A1 (fr) * | 1977-12-16 | 1979-07-13 | Ressorts Ind | Assemblage elastique d'un rail sur son support |
FR2634801B1 (fr) * | 1988-08-01 | 1990-11-09 | Sonneville Int | Dispositif de support et de fixation pour rail de chemin de fer |
-
1993
- 1993-06-24 FR FR9307680A patent/FR2699943B1/fr not_active Expired - Lifetime
- 1993-12-17 MX MX9308180A patent/MX9308180A/es unknown
- 1993-12-20 MA MA23369A patent/MA23059A1/fr unknown
- 1993-12-22 DZ DZ930141A patent/DZ1743A1/fr active
- 1993-12-28 ES ES09302700A patent/ES2096513B1/es not_active Expired - Fee Related
- 1993-12-28 TN TNTNSN93142A patent/TNSN93142A1/fr unknown
- 1993-12-28 DK DK94902863.3T patent/DK0677127T3/da active
- 1993-12-28 KR KR1019950702624A patent/KR960700381A/ko not_active Application Discontinuation
- 1993-12-28 CN CN93121467A patent/CN1103687A/zh active Pending
- 1993-12-28 WO PCT/FR1993/001304 patent/WO1994015022A1/fr active IP Right Grant
- 1993-12-28 AT AT94902863T patent/ATE156211T1/de not_active IP Right Cessation
- 1993-12-28 JP JP51488694A patent/JP3260374B2/ja not_active Expired - Lifetime
- 1993-12-28 DE DE69312742T patent/DE69312742D1/de not_active Expired - Lifetime
- 1993-12-28 EP EP94902863A patent/EP0677127B1/fr not_active Expired - Lifetime
- 1993-12-28 ES ES94902863T patent/ES2107175T3/es not_active Expired - Lifetime
- 1993-12-28 BR BR9307751A patent/BR9307751A/pt not_active Application Discontinuation
-
1995
- 1995-06-29 OA OA60681A patent/OA10170A/fr unknown
-
1997
- 1997-09-24 GR GR970402477T patent/GR3024838T3/el unknown
Non-Patent Citations (1)
Title |
---|
See references of WO9415022A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9315947B2 (en) | 2011-02-01 | 2016-04-19 | Pandrol Limited | Railway rail fastening clip and insulator |
Also Published As
Publication number | Publication date |
---|---|
MX9308180A (es) | 1995-01-31 |
FR2699943B1 (fr) | 1997-08-29 |
JPH08504908A (ja) | 1996-05-28 |
GR3024838T3 (en) | 1998-01-30 |
JP3260374B2 (ja) | 2002-02-25 |
TNSN93142A1 (fr) | 1994-03-17 |
ES2096513B1 (es) | 1997-10-16 |
KR960700381A (ko) | 1996-01-20 |
MA23059A1 (fr) | 1994-07-01 |
DZ1743A1 (fr) | 2002-02-17 |
OA10170A (fr) | 1998-12-18 |
WO1994015022A1 (fr) | 1994-07-07 |
ATE156211T1 (de) | 1997-08-15 |
ES2096513A1 (es) | 1997-03-01 |
EP0677127B1 (fr) | 1997-07-30 |
DE69312742D1 (de) | 1997-09-04 |
FR2699943A1 (fr) | 1994-07-01 |
CN1103687A (zh) | 1995-06-14 |
BR9307751A (pt) | 1995-10-24 |
ES2107175T3 (es) | 1997-11-16 |
DK0677127T3 (da) | 1998-03-16 |
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