EP0339023A1 - Device for securing a rail to a sleeper. - Google Patents
Device for securing a rail to a sleeper.Info
- Publication number
- EP0339023A1 EP0339023A1 EP87906560A EP87906560A EP0339023A1 EP 0339023 A1 EP0339023 A1 EP 0339023A1 EP 87906560 A EP87906560 A EP 87906560A EP 87906560 A EP87906560 A EP 87906560A EP 0339023 A1 EP0339023 A1 EP 0339023A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rail
- tendons
- locking
- rail foot
- foot
- 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
- 241001669679 Eleotris Species 0.000 title abstract description 6
- 238000004873 anchoring Methods 0.000 claims abstract description 17
- 210000002435 tendon Anatomy 0.000 claims description 68
- 230000007704 transition Effects 0.000 claims description 12
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 238000006386 neutralization reaction Methods 0.000 claims description 6
- 230000001154 acute effect Effects 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
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
- E01B9/38—Indirect fastening of rails by using tie-plates or chairs; Fastening of rails on the tie-plates or in the chairs
- E01B9/44—Fastening the rail on the tie-plate
- E01B9/46—Fastening the rail on the tie-plate by clamps
- E01B9/48—Fastening the rail on the tie-plate by clamps by resilient steel clips
- E01B9/486—Fastening the rail on the tie-plate by clamps by resilient steel clips the clip being a shaped plate
Definitions
- the invention relates to a device for fastening a rail on a sleeper, in which a support plate provided with guide ribs for the rail foot is fastened or can be fastened on the sleeper with anchoring openings provided in the region of the guide ribs, and in which anchors with abutments for the rail foot against in the anchoring openings the base plate can be used to tension tendons
- the anchors are designed as hook screws, can be placed on the tension clamps and can be clamped by means of nuts, e.g. DE-OS 35 07 310 shows.
- DE-OS 35 07 310 shows.
- These known devices have the disadvantage that the connection between the rail and the base plate is rigid, so that after about 10 years of installation the knocked-out base plate must be replaced. Since the material content of the base plate is large, the knocked-out base plates are forged and reinserted. However, this is associated with additional workload. There has been no shortage of attempts to eliminate these disadvantages of the known rail fastening.
- abutments are integrally formed as a boom on the anchors and protrude above the rail foot and that on both sides of the rail in the recordings formed between the rail foot and the arms of the anchor elastic tendons insertable in the longitudinal direction of the rail are supported under deformation with tension on the rail foot and the arm of the anchor.
- the anchors with outrigger are inserted and held in the anchoring openings of the guide ribs of the base plates like the hook screws.
- the elastic tendons are inserted without screw fastening between the rail foot and the arm extensions and provide the desired positive and / or non-positive, elastic connection between the rail and base plate. This not only eliminates wear on the base plate.
- the new device can also be retrofitted to the rails that have already been laid without having to dismantle the base plates, with little effort in terms of parts and assembly. This is a very decisive advantage of the new device, since only the nuts of the hook screws have to be loosened, the hook screws with the tension clamps have to be removed from the anchoring openings of the guide ribs of the base plates and the new anchors have to be inserted. The introduction of the new tendons can then be facilitated with simple handling devices.
- the anchors are designed so that they are provided with a foot which is adapted in cross section to the cross section of the anchoring openings of the guide ribs of the base plate, and that the cantilever is integrally formed on the anchor in the plug-in direction of the foot in the region of the upper end are.
- a clearly secured support for the tendons is achieved according to one embodiment in that the tendons are C-shaped, supported centrally on the cantilevers of the anchors and with their ends on the rail foot of the rail.
- the tendons are preferably bent from flat material sections.
- a kind of overload protection for the tendons results from a further embodiment simply by that the end faces of the bent ends are still at a predetermined distance from the middle leg of the tendons in the working position.
- a defined working position for the tendons has an embodiment which is characterized in that the tendons have concave locking troughs in the center on the outside, that the undersides of the arm of the armature facing the tendons are designed as convex locking bars and that the locking troughs and the locking bars are vertical are aligned with the rail.
- the tendons are inserted in the longitudinal direction of the rail until the cantilever web of the boom snaps into the recess of the tendon.
- Guidance ensured that the arm of the anchor designed for the width of the tendons and are provided at their free ends with a retaining web at least partially covering the thickness of the tendons.
- the tendons on both sides of the locking trough have further troughs on the outer sides at a predetermined distance, which define the relaxation positions of the tendons with the locking bars of the cantilever of the anchors, then the tendons can be brought into a set-up position and held therein , in which the rail can be moved in the longitudinal direction without having to detach the parts of the device from the base plate.
- the locking troughs and the other troughs are introduced into the tendons during the bending process of the flat material sections.
- the locking troughs and the further troughs are introduced into the tendons during the bending process of the flat material sections.
- the anchor is designed as a hollow chamber anchor.
- the overload protection of the tendons is designed in such a way that the bent ends with their end sections are perpendicular to the middle leg of the tendons and with their end faces still take an overload path of about 2 mm to the middle leg.
- Tendons are designed as a loop that the
- Lower leg of the loop facing the rail foot forms two convexly curved support sections, between which a section bent toward the upper leg as
- Abutment serves that the loop is divided in the central region of the upper leg, with the facing end portions overlapping, and that the
- the tendons can bridge large tolerances because they have a large span. In addition, these tendons can be easily inserted into and removed from the receptacles.
- a defined clamping position results from the fact that the outer end section is in one End stop runs out.
- the end stop prevents the tendon from sliding between the boom and the rail foot.
- an approximately semicircular transition section connecting the outer end section to the lower leg has parallel sections which are at an acute angle to the connecting line of the support points of the stand lower leg, and that the outer dimension between these sections is equal to or slightly less than the distance between the locking bar of the boom and the rail foot. It is then provided that, in an insertion position, the sections of the transition section are aligned parallel to the top of the rail foot until the latching web of the boom is inserted into the intermediate latching recess, which is embedded on the outside in the section of the transition section that merges into the outer end section .
- Optimal clamping forces can be achieved with the loop-shaped tendons if it is provided that both end sections overlap over the abutment of the lower leg of the loop and that in the In the relaxed position, the vertical distance between the locking trough of the outer end section and the connecting line of the support points of the lower leg of the loop is greater than the distance between the locking bar of the boom and the rail foot by a predetermined clamping distance.
- the maximum clamping force is reached when in a tensioned position the locking bar of the boom is locked in the locking trough of the outer end section, and that the inner end section is adjusted over the outer end section up to a predetermined overtravel distance up to the abutment, the loop under Support tension on the boom and the rail foot.
- the anchor can also be fastened in an anchoring opening of a connecting plate arranged between the rail and the sleeper or in an anchoring opening made in the sleeper.
- 1 is a side view of an attachment point between the rail and the threshold
- FIG. 2 is a view along the line II-II of FIG. 1st 3 is a top view of the attachment point in the direction III of FIG. 1,
- FIG. 5 is a view corresponding to FIG. 2, in which the tendon according to FIG. 4 is in the insertion position
- Fig. 6 is a view of FIG. 5, in which the tendon is brought into the neutralizing position
- Fig. 7 is a view of FIG. 5, in which the tendon assumes the clamping position.
- the base plate 11 is fastened to the threshold 10 by means of the cap screws 14 and the spring washers 15 are arranged, which corresponds to the width of the rail foot 33.
- the rail 32 rests on the threshold 11 above the elastic plate 16.
- the view according to FIG. 2 shows that the anchoring openings 13 are made in the center of the guide ribs 12 of the base plate 11 and are matched in cross-section to the hook screws known per se. Instead of these hook screws, the feet 18 of anchors 17 are inserted into the anchoring openings 13.
- the feet 18 are designed in cross section for the cross section of the anchoring openings 13, so that the inserted anchor 17 is held like a hook screw.
- the armature 17 can be designed as a hollow chamber anchor, ie as a hollow body, or can be provided with lateral recesses in order to save material.
- the arm 20 is formed towards the rail 32, which projects beyond the rail foot 33 in the inserted working position of the armature 17.
- the armature 17 can also be subsequently inserted into the anchoring opening 13 of a base plate 11 connected to the threshold 10. This enables the new device to be retrofitted, i.e. the replacement of the old rigid hook connection.
- Cantilever 20 of the armature 17 form the support points for an elastic tendon 23, which in the longitudinal direction of the
- Rail 32 is inserted and deformed with
- the top of the rail foot 33 is pointed
- the view according to FIG. 2 shows that the tensioning member 23, which is designed as a spiral spring, has a convex outwardly curved central leg 24, the ends 28 and 30 of which are bent inward in a loop.
- the convex outside of the spiral spring is supported on the underside of the arm 20, while the ends 28 and 30 are supported symmetrically to the top of the rail foot 33.
- the working position of the spiral spring shown in FIG. 2 is secured by the fact that the underside of the extension arm 17, which is designed as a transverse locking web 22, engages in the locking recess 25, which extends centrally into the outside of the central leg 24 of the spiral spring and also extends transversely to the rail 32.
- the spiral spring is preloaded so far that the clamping force required per fastening point is 1.25 Mp.
- the spring travel of the spiral spring is sufficiently large at the ends 28 and 30 thus bent in, for the elastic bracing and to achieve these tensioning forces.
- the end portions of the bent ends 28 and 30 of the tendon 23 are perpendicular to the inside of the Middle leg 24 and end in the working position at a predetermined distance from the inside of the middle leg 24 of the tendon 23.
- This embodiment provides an overload protection against transverse forces acting on the rail head. It has been shown that a distance of about 2 mm is sufficient.
- Fig. 1 ur a fastening point on one side of the rail 32 provided with the central web 34 and rail head 35 is shown. On the other side of the rail, another identical fastening point with armature 17 and tendon 23 is provided for each threshold 10 and rail 32.
- an embodiment is shown with a loop-shaped tendon 40 which can be easily inserted into the receptacle between the arm 20 of the armature 17 and can also be easily removed from this receptacle, but with a high tensioning force in the tensioned position allows.
- FIG. 4 shows the tension gliled 40 designed as a loop in a side view.
- the lower leg facing the rail foot 33 is provided with the two convexly curved support sections 41 and 42. Between the two support sections 41 and 42, the tendon 40 bent from flat material is bent in the middle as an abutment 43, the convex side facing the upper, divided leg of the loop.
- the end sections 45 and 50 of the upper leg overlap over the centrally arranged abutment 43, the outer end section 50 having on its outside the locking trough 51 for the locking web 22 of the arm 20.
- the inner end section 45 can be deflected inward via the outer end section 50. until he hits abutment 43.
- the position of the end sections 45 and 50 shown at 45 'and 50' corresponds to the bracing position from which the overload protection is achieved by a stop on the abutment 43 over an overtravel distance of approximately 2 mm. This overtravel is also necessary so that the latching web 22 of the boom 20 can snap into the latching trough 50.
- the semicircular transition section 46 of the loop extends over the partial areas running parallel to one another
- the tensioning member 40 can be in the insertion position 40.1 into the receptacle between the locking web 22 of the boom 20 and the rail foot 33 are inserted.
- the transition section 44 which connects the support section 41 to the inner end section 45, is raised to the angle ⁇ , so that the partial regions 47 and 48 of the transition section 46 are aligned parallel to the upper side of the rail foot 33 after adjustment by an angle ⁇ .
- the insertion movement of the tensioning member 40 is ended when the latching web 22 is inserted into the intermediate latching groove 49, which forms the transition from the partial region 48 to the outer end section 50.
- the tensioning member 40 after being released, falls with the support section 41 onto the rail foot 33 due to its own weight, so that a neutralization position 40.2 is reached, in which the tensioning member 40 is in the receptacle is held between the trailer 20 and the rail foot 33, but still assumes its relaxed position according to FIG. 4.
- the latching web 22 slides along the end section 50 and deflects it and the inner end section 45 in the direction of the abutment 43 until the latching web 22 engages in the latching depression 51.
- the end sections 45 and 50 carry out a small overstroke and then return to the tensioning position 40.3 shown in FIG. 7.
- the outer end section 50 ends in the end stop 52, which prevents the clamping member 40 from being pushed further into the receptacle, and the end sections assume the positions shown at 45 'and 50', the intermediate catch receptacle 49 being exposed again.
- recesses 36 and 37 are provided on both sides of the boom 20 above the latching web 22, in which a tool is immovable when the clamping member 40 is pressed into the receptacle or when the clamping member 40 is pressed out of the receptacle can support.
- the neutralization position 40.2 according to FIG. 6 is first reached. If the transition section 44 is raised again to the angle ⁇ , then the tensioning member 40 can be pulled out of the receptacle in the insertion position 40.1.
- the anchoring opening 13 for the foot 18 of the armature 17 can also be introduced in a differently designed intermediate plate which is arranged between the threshold 10 and the rail 32.
- the anchoring opening 13 can also be embedded directly in the threshold 10.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Railway Tracks (AREA)
- Supports For Pipes And Cables (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
Dans le dispositif décrit, une plaque de base munie de nervures de guidage du patin de rail et comportant, dans la région de ces nervures, des ouvertures d'ancrage, est ou peut être fixée sur la traverse. Des ancrages munis de butées destinées au patin de rail peuvent être introduits dans les ouvertures d'ancrage, contre des organes de serrage assujettissant la plaque de base. Le maintien desdites plaques prévues pour une fixation par boulons à tête rectangulaire permet d'effectuer une fixation élastique du rail sans assemblages vissés, grâce au fait que les butées sont réalisées d'une seule pièce avec les ancrages (18), sous forme de potences (20) et dépassent du patin de rail, et que des organes de serrage (23) élastiques peuvent être introduits, des deux côtés du rail, dans les logements formés entre le patin de rail et les potences des ancrages dans le sens longitudinal du rail. Lesdits organes (23) s'appuient, sous déformation par tension, sur le patin de rail et la potence de l'ancrage.In the device described, a base plate provided with ribs for guiding the rail shoe and comprising, in the region of these ribs, openings for anchoring, is or can be fixed to the sleeper. Anchorages provided with abutments intended for the rail shoe can be introduced into the anchorage openings, against clamping members securing the base plate. Maintaining said plates provided for fixing by rectangular-headed bolts makes it possible to perform elastic fixing of the rail without screwed assemblies, thanks to the fact that the stops are made in one piece with the anchors (18), in the form of brackets (20) and protrude from the rail shoe, and that elastic clamping members (23) can be introduced, on both sides of the rail, into the housings formed between the rail shoe and the brackets of the anchorages in the longitudinal direction of the rail . Said members (23) rest, under deformation by tension, on the rail foot and the bracket of the anchor.
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT87906560T ATE70100T1 (en) | 1986-10-08 | 1987-10-07 | DEVICE FOR FIXING A RAIL ON A SLEEPER. |
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3634249 | 1986-10-08 | ||
DE3634249 | 1986-10-08 | ||
DE3709034 | 1987-03-19 | ||
DE19873709034 DE3709034A1 (en) | 1986-10-08 | 1987-03-19 | DEVICE FOR FASTENING A RAIL ON A SILL |
CA000550726A CA1328438C (en) | 1986-10-08 | 1987-10-30 | Device for securing a rail to a railroad tie |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0339023A1 true EP0339023A1 (en) | 1989-11-02 |
EP0339023B1 EP0339023B1 (en) | 1991-12-04 |
Family
ID=27167798
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP87906560A Expired - Lifetime EP0339023B1 (en) | 1986-10-08 | 1987-10-07 | Device for securing a rail to a sleeper |
Country Status (8)
Country | Link |
---|---|
US (1) | US4988040A (en) |
EP (1) | EP0339023B1 (en) |
JP (1) | JP2577590B2 (en) |
AU (1) | AU8037287A (en) |
CA (1) | CA1328438C (en) |
DE (1) | DE3709034A1 (en) |
FI (1) | FI90894C (en) |
WO (1) | WO1988002798A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4109068C2 (en) * | 1991-03-20 | 1995-01-19 | Langen & Sondermann Gmbh & Co | Device for fastening rails to sleepers or the like |
US5485955A (en) * | 1994-07-11 | 1996-01-23 | Kerr-Mcgee Chemical Corporation | Rail-tie fastening assembly for concrete tie |
GB9820462D0 (en) * | 1998-09-18 | 1998-11-11 | Molyneux Godfrey M O | Support of resilient material under compression attached to a rail anchorage |
GB2370062A (en) * | 2000-12-12 | 2002-06-19 | Resitech Ltd | Base assembly for mounting a rail on a support structure |
DE102005048829A1 (en) * | 2004-12-09 | 2006-06-29 | SCHWIHAG GESELLSCHAFT FüR EISENBAHNOBERBAU MBH | Positive-elastic rail fastening for track systems |
JP6989893B2 (en) * | 2017-10-25 | 2022-01-12 | 信号器材株式会社 | Temporary bond device for rails |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE648150C (en) * | 1937-07-23 | Fritz Minor | Screwless rail fastening on rib support plates by means of clamping pieces guided through transverse recesses in the ribs | |
DE531722C (en) * | 1931-08-17 | Max Rueping | Rail fastening by means of leaf springs pressed down on the rail base | |
FR331477A (en) * | 1903-04-30 | 1903-09-15 | Pierre Charles Louis Aurejac | Aerejac metal corner |
FR389197A (en) * | 1908-04-14 | 1908-09-02 | Ouzon | Metal corner for railway tracks |
US1815815A (en) * | 1928-07-07 | 1931-07-21 | Vossloh Karl | Rail fastening device |
FR697905A (en) * | 1930-06-26 | 1931-01-23 | Tension device for rail fastening devices | |
CH169990A (en) * | 1932-11-22 | 1934-06-30 | Rueping Max | Fastening of rails on iron sleepers. |
FR895594A (en) * | 1943-06-17 | 1945-01-29 | Device for fixing the rails to the reinforced concrete sleepers | |
DE1726850U (en) * | 1954-07-28 | 1956-07-26 | Vossloh Werke Gmbh | RAIL FASTENING USING THE RAIL FOOT SUPPORTING SPRINGS THAT EXTEND IN THE LONGITUDINAL DIRECTION OF THE RAIL. |
DE1146086B (en) * | 1961-06-29 | 1963-03-28 | Kloeckner Werke Ag | Clamp fastening for railroad tracks |
GB968128A (en) * | 1962-05-02 | 1964-08-26 | Mills James Ltd | A new or improved fastening for securing flange footed railway rails to sleepers |
DE1188110B (en) * | 1962-12-13 | 1965-03-04 | Kloeckner Werke Ag | Rail fastening for stock rails in turnouts |
FR1415724A (en) * | 1964-09-14 | 1965-10-29 | Ressorts Du Nord Sa | Device for elastic fixing of a rail |
GB1449890A (en) * | 1973-12-28 | 1976-09-15 | Pandrol Ltd | Fastening railway rails |
PL100999B1 (en) * | 1974-12-17 | 1978-11-30 | WOODEN PRIMING ESPECIALLY FOR RAILWAY TRACKS | |
DE2623944A1 (en) * | 1976-05-28 | 1977-12-08 | Schwihag Gmbh | Railway track force locked elastic rail fixture - has clamp bracing unit lying on rail foot in rounding radius area |
JPS594326Y2 (en) * | 1977-07-29 | 1984-02-08 | やまと産業株式会社 | automatic control pressure reducing valve |
DE2806817C2 (en) * | 1978-02-17 | 1981-08-20 | Estel Hoesch Werke Ag, 4600 Dortmund | Guide plate for resilient rail fastening |
DE2810618C2 (en) * | 1978-03-11 | 1980-05-29 | Ernst Schmitthelm, Federn- Und Metallwarenfabrik Gmbh & Co Kg, 6900 Heidelberg | Rail fastening on sleepers |
GB2102478B (en) * | 1981-07-20 | 1985-02-13 | Pandrol Ltd | A spring clip for securing a bullhead railway rail |
DE3507310A1 (en) * | 1985-03-01 | 1986-09-04 | Vossloh-Werke Gmbh, 5980 Werdohl | Rail fastening |
-
1987
- 1987-03-19 DE DE19873709034 patent/DE3709034A1/en active Granted
- 1987-10-07 JP JP62506045A patent/JP2577590B2/en not_active Expired - Fee Related
- 1987-10-07 EP EP87906560A patent/EP0339023B1/en not_active Expired - Lifetime
- 1987-10-07 WO PCT/DE1987/000455 patent/WO1988002798A1/en active IP Right Grant
- 1987-10-07 AU AU80372/87A patent/AU8037287A/en not_active Abandoned
- 1987-10-30 CA CA000550726A patent/CA1328438C/en not_active Expired - Fee Related
-
1988
- 1988-06-08 US US07/254,943 patent/US4988040A/en not_active Expired - Lifetime
- 1988-06-08 FI FI882706A patent/FI90894C/en active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO8802798A1 * |
Also Published As
Publication number | Publication date |
---|---|
JPH01501957A (en) | 1989-07-06 |
US4988040A (en) | 1991-01-29 |
FI90894C (en) | 1994-04-11 |
FI882706A (en) | 1988-06-08 |
EP0339023B1 (en) | 1991-12-04 |
CA1328438C (en) | 1994-04-12 |
WO1988002798A1 (en) | 1988-04-21 |
FI90894B (en) | 1993-12-31 |
AU8037287A (en) | 1988-05-06 |
DE3709034C2 (en) | 1991-10-17 |
FI882706A0 (en) | 1988-06-08 |
DE3709034A1 (en) | 1988-04-21 |
JP2577590B2 (en) | 1997-02-05 |
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