EP0439485B1 - Dispositif de calage d'une lame ressort sur une traverse de chemin de fer - Google Patents
Dispositif de calage d'une lame ressort sur une traverse de chemin de fer Download PDFInfo
- Publication number
- EP0439485B1 EP0439485B1 EP89911561A EP89911561A EP0439485B1 EP 0439485 B1 EP0439485 B1 EP 0439485B1 EP 89911561 A EP89911561 A EP 89911561A EP 89911561 A EP89911561 A EP 89911561A EP 0439485 B1 EP0439485 B1 EP 0439485B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- plate spring
- tie
- swarf
- rail
- wedging
- 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
- 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
- the present invention relates to a device for wedging a leaf spring on a railway sleeper.
- the systems for fixing a railway rail to a crosspiece such as those described in patent application FR 88/10759 or in patents FR-A-1 228 126 and FR-A-2 287 551 include as elements for fixing a leaf spring, an insulating stop interposed between said blade and the rail pad and a means for fixing and clamping the blade on the cross member.
- the support plate is made by shearing a small flat laminated sawing ordinary. It can also be made by plastic molding to avoid injuring the concrete of the crosspiece.
- this plate can either be pre-assembled on the crosspiece during the manufacture of the latter or else be added afterwards on the site.
- the dimensions of the plate are conditioned by the distribution of the pressure which must be exerted on a large surface to avoid problems linked to the resistance of the material constituting the crosspiece (wood or concrete).
- this device is not the crosspiece itself which forms the lateral abutment support means for the rear heel of the blade but the added metal plate.
- Another object of the invention is a method of manufacturing a device for wedging a spring leaf on a railway sleeper, said spring leaf forming part of a system for fixing a rail on a sleeper, comprising the removal of a riblon of material from the spring blade to produce an opening through which a clamping means is passed, the locking of which in the crosspiece makes it possible to press said blade against the shoe of the rail and the blocking and the support of the rear heel of the leaf spring on the cross-member, characterized in that the locking and the support of the rear heel of the blade are carried out by inserting said riblon horizontally in a housing delimited between vertical projections made in the mass of the cross member and by putting the heel in contact with support on the riblon.
- the opening of the spring leaf is generally carried out by cold punching.
- the dimensions of this opening (25 x 30 mm) and therefore those of the riblon, that is to say of the piece of material removed to make said opening, are sufficient to properly distribute the pressure exerted by the rear heel of the blade spring on the concrete sleeper.
- the riblon substantially has the shape of the meeting of two semicircles whose centers are spaced.
- Figure 1 shows a top view of a leaf spring as it is presented in the prior art.
- FIG. 2 represents a perspective view of a riblon coming from the leaf spring of FIG. 1.
- FIG. 3 represents a top view of a system for fixing a railway rail on a cross-member with the wedging device of the invention.
- FIG. 4 represents a side view of the fixing system of FIG. 3.
- FIG. 1 shows a leaf spring 1 of substantially trapezoidal shape in which an opening 4 is produced by removing material (for example by cold punching).
- the part resulting from this operation is a riblon 5 represented in FIG. 2 which has the same dimensions as those of the opening 4.
- This riblon 5 was usually thrown into the scrap metal, but its dimensions are such that it has a sufficient surface to serve as a support plate for the leaf spring 1 when the latter is locked in the rail fixing position.
- this ratchet 5 is therefore kept for use as a support plate.
- FIG. 3 represents a fixing system such as that described in application 88 10759 but with the wedging device of the invention.
- the fixing system comprises in particular a clamping means 3 passing through the opening 4 made in the leaf spring 1 by removing the riblon 5 of material. Locking for example by screwing the clamping means 3 in the cross member 2 through the blade 1 allows the leaf spring 1 to be pressed against the shoe 6 of the rail R.
- the front end 1A of the blade therefore comes into bearing contact on an insulating stop 9 interposed between the rail and the blade 1.
- This setting is obtained by means of blocking and supporting the rear heel 1R of the leaf spring 1 on the crosspiece 2.
- these blocking and support means comprise vertical projections 2D, 2G made in the mass of the cross member 2.
- the projections 2D, 2G define a housing 7 intended to receive the riblon 5 horizontally on which the 1R rear heel of the blade 1 comes into bearing contact.
- the protrusions 2D, 2G are produced on the cross member 2 parallel to the rail R and form a coaming against which the outer edge 8 of the rear heel 1R of the blade 1 comes into lateral abutment abutment.
- the largest dimension of the riblon 5 (formed by the union of two semicircles of 25 mm diameter whose centers are 5 mm apart, i.e. an area of approximately 6 cm2) is less than the width of the rear heel 1R of the blade 1, which is about 70 mm.
- the rear heel 1R is arched and therefore rests only in its central part and by its edge on the riblon 5 which acts both as a support plate for distributing the pressure and as a protective plate for the material of the cross member 2 .
- the blade 1 exerts approximately on the riblon 5 a force of 630 kg, which corresponds to a pressure of approximately 105 kg / cm2 which is entirely acceptable for the concrete cross member knowing that the riblon 5 has a thickness d '' about 4 mm and a breaking strength of around 70 kg / mm2.
- the riblon therefore has all the necessary and sufficient qualities to fulfill its role.
- the housing 7 with the riblon 5 is located in the plane of symmetry of the leaf spring 1.
- Projections 2D, 2G allow both to position transversely the leaf spring 1 relative to the rail, in association with the clamping means 3 and to prevent any rotation of the blade 1 around the axis of said clamping means.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Railway Tracks (AREA)
- Clamps And Clips (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Springs (AREA)
- Connection Of Plates (AREA)
- Braking Arrangements (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT89911561T ATE87678T1 (de) | 1988-10-19 | 1989-09-29 | Befestigungsanordnung fuer elastische klemme auf einer eisenbahnschwelle. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8813763 | 1988-10-19 | ||
FR8813763A FR2627519B1 (fr) | 1988-10-19 | 1988-10-19 | Dispositif de calage d'une lame ressort sur une traverse de chemin de fer |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0439485A1 EP0439485A1 (fr) | 1991-08-07 |
EP0439485B1 true EP0439485B1 (fr) | 1993-03-31 |
Family
ID=9371168
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89911561A Expired - Lifetime EP0439485B1 (fr) | 1988-10-19 | 1989-09-29 | Dispositif de calage d'une lame ressort sur une traverse de chemin de fer |
Country Status (17)
Country | Link |
---|---|
EP (1) | EP0439485B1 (no) |
JP (1) | JPH04501149A (no) |
KR (1) | KR900702140A (no) |
BR (1) | BR8907730A (no) |
DK (1) | DK164515C (no) |
ES (1) | ES2016218A6 (no) |
FI (1) | FI911869A0 (no) |
FR (1) | FR2627519B1 (no) |
GR (1) | GR1000526B (no) |
IE (1) | IE63432B1 (no) |
MA (1) | MA21639A1 (no) |
MY (1) | MY104212A (no) |
NO (1) | NO176063C (no) |
OA (1) | OA09099A (no) |
PT (1) | PT91935B (no) |
TN (1) | TNSN89113A1 (no) |
WO (1) | WO1990004680A1 (no) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2657631B1 (fr) * | 1990-01-30 | 1997-05-09 | Allevard Ind Sa | Dispositif de fixation de rail de chemin de fer sur un support en beton ou en metal. |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH301375A (fr) * | 1952-07-14 | 1954-09-15 | Sidervia S A | Dispositif de fixation de rail. |
GB869834A (en) * | 1958-10-23 | 1961-06-07 | Tempered Spring Company Ltd | Improvements in or relating to railway rail fastenings |
FR2134867A6 (no) * | 1971-04-22 | 1972-12-08 | Peyresaubes Raoul |
-
1988
- 1988-10-19 FR FR8813763A patent/FR2627519B1/fr not_active Expired - Lifetime
-
1989
- 1989-09-19 MY MYPI89001279A patent/MY104212A/en unknown
- 1989-09-27 MA MA21893A patent/MA21639A1/fr unknown
- 1989-09-28 GR GR890100616A patent/GR1000526B/el unknown
- 1989-09-29 BR BR898907730A patent/BR8907730A/pt not_active IP Right Cessation
- 1989-09-29 WO PCT/FR1989/000504 patent/WO1990004680A1/fr active IP Right Grant
- 1989-09-29 EP EP89911561A patent/EP0439485B1/fr not_active Expired - Lifetime
- 1989-09-29 JP JP1510794A patent/JPH04501149A/ja active Pending
- 1989-09-29 KR KR1019900701325A patent/KR900702140A/ko not_active Application Discontinuation
- 1989-10-02 IE IE314489A patent/IE63432B1/en not_active IP Right Cessation
- 1989-10-10 PT PT91935A patent/PT91935B/pt not_active IP Right Cessation
- 1989-10-18 ES ES8903509A patent/ES2016218A6/es not_active Expired - Lifetime
- 1989-10-19 TN TNTNSN89113A patent/TNSN89113A1/fr unknown
- 1989-10-19 OA OA59666A patent/OA09099A/xx unknown
-
1991
- 1991-04-15 NO NO911471A patent/NO176063C/no unknown
- 1991-04-18 DK DK070591A patent/DK164515C/da not_active IP Right Cessation
- 1991-04-18 FI FI911869A patent/FI911869A0/fi not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
PT91935A (pt) | 1990-04-30 |
DK70591A (da) | 1991-04-18 |
BR8907730A (pt) | 1991-08-27 |
DK70591D0 (da) | 1991-04-18 |
FI911869A0 (fi) | 1991-04-18 |
OA09099A (fr) | 1991-10-31 |
KR900702140A (ko) | 1990-12-05 |
WO1990004680A1 (fr) | 1990-05-03 |
DK164515B (da) | 1992-07-06 |
PT91935B (pt) | 1995-08-09 |
NO176063B (no) | 1994-10-17 |
FR2627519A1 (fr) | 1989-08-25 |
IE63432B1 (en) | 1995-04-19 |
NO176063C (no) | 1995-01-25 |
NO911471L (no) | 1991-04-15 |
GR1000526B (el) | 1992-08-25 |
NO911471D0 (no) | 1991-04-15 |
JPH04501149A (ja) | 1992-02-27 |
ES2016218A6 (es) | 1990-10-16 |
MY104212A (en) | 1994-02-28 |
TNSN89113A1 (fr) | 1991-02-04 |
FR2627519B1 (fr) | 1990-08-10 |
GR890100616A (en) | 1990-11-29 |
IE893144L (en) | 1990-04-19 |
DK164515C (da) | 1992-11-23 |
EP0439485A1 (fr) | 1991-08-07 |
MA21639A1 (fr) | 1990-04-01 |
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