EP0194550B1 - Befestigungsklammer und Befestigungsanordnung für Eisenbahnschienen - Google Patents

Befestigungsklammer und Befestigungsanordnung für Eisenbahnschienen Download PDF

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Publication number
EP0194550B1
EP0194550B1 EP86102794A EP86102794A EP0194550B1 EP 0194550 B1 EP0194550 B1 EP 0194550B1 EP 86102794 A EP86102794 A EP 86102794A EP 86102794 A EP86102794 A EP 86102794A EP 0194550 B1 EP0194550 B1 EP 0194550B1
Authority
EP
European Patent Office
Prior art keywords
section
clamp
accordance
rail
clip
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
Application number
EP86102794A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0194550A2 (de
EP0194550A3 (en
Inventor
Helmut Eisenberg
Henning Dipl.-Ing. Von Heimburg
Friedhelm Dipl.-Ing. Weber
Achim Beste
Dirk Dipl.-Ing. Vorderbrück
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.)
Vossloh Werke GmbH
Original Assignee
Vossloh Werke GmbH
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
Priority claimed from DE19853509472 external-priority patent/DE3509472A1/de
Priority claimed from DE19853509473 external-priority patent/DE3509473A1/de
Application filed by Vossloh Werke GmbH filed Critical Vossloh Werke GmbH
Priority to AT86102794T priority Critical patent/ATE46201T1/de
Publication of EP0194550A2 publication Critical patent/EP0194550A2/de
Publication of EP0194550A3 publication Critical patent/EP0194550A3/de
Application granted granted Critical
Publication of EP0194550B1 publication Critical patent/EP0194550B1/de
Expired 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
    • E01B9/60—Rail fastenings making use of clamps or braces supporting the side of the rail
    • 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
    • E01B9/303—Fastening on wooden or concrete sleepers or on masonry with clamp members by resilient steel clips the clip being a shaped bar

Definitions

  • the invention relates to a mounting bracket and a mounting arrangement for railroad tracks according to the preamble of claims 1 and 10 respectively.
  • a fastening arrangement for railroad tracks is known with a clamp made of elastic steel rod, which is bent in five sections.
  • the end of the first section of the clamp is inserted into a bore in an anchoring part of the fastening arrangement and loops around the receiving part of an anchoring element in relatively wide, large angles in the horizontal line.
  • the end of the bar is parallel to the beginning of the bar.
  • the third section of the bracket is supported on a substantially horizontal support surface on the receiving part, which is arranged on the side of the bore facing away from the rail, while the fifth and last section, which has a flattened portion, rests on the top of the rail foot.
  • the fastening clip of this known arrangement has the disadvantage that it can also be driven into the receiving part in an incorrect manner, that is to say in such a way that the undersides of the fifth and third sections are interchanged. As a result, the hold-down force of the clip can be significantly reduced. Furthermore, the known clip is relatively long, so that there is a considerable need for material.
  • AT-B 298 542, DE-A 2 461 158 and DE-C 2 649 527 also relate to the more detailed design of the anchoring element for these fastening arrangements. It has the upper receiving part with the receiving bore for the fastening clip running parallel to the longitudinal direction of the rail, as well as an essentially horizontal supporting surface which is located on a supporting part which extends away from the rail.
  • An anchoring part extends vertically downward from the underside of the receiving part and is equipped with undulating surfaces for the purpose of preventing the anchoring element from being easily pulled out of the concrete sleeper.
  • the pressure force exerted on the horizontal support surface by the fastening clip in the assembly position is comparatively high.
  • the object of the invention is to provide a fastening clip and a fastening arrangement for railroad tracks which are material-saving, have good hold-down properties and are simple and safe in construction, function and assembly.
  • a fastening clip for a rail fastening arrangement is already known, which essentially corresponds in shape to the fastening clip according to the invention.
  • This known fastening clip is also inserted with its first section into a receptacle part that runs parallel to the rail and horizontally, while its last section presses on the rail foot.
  • it does not have an intermediate section which is supported on the receiving part, as is the case with the known fastening arrangements from which the invention is based and also with the fastening arrangement according to the invention.
  • the fastening clip has four successive sections which merge into one another or have such a spatial orientation that the clip shows the Greek letter " 11 " in plan view and an "E" -shaped loop or its mirror images in side view looks similar.
  • the second section forms an arc which encloses an angle of at least 180 ° and whose end shows an essentially same horizontal direction as the beginning of the first section.
  • the third or penultimate section again has an arcuate configuration and slopes downwards. The end of this section has essentially the same direction as the end of the first section, an arc of at least 180 ° being enclosed by this arcuate section.
  • the fourth or last section of the clip is essentially rectilinear, but curved in a very large, upwardly open arc.
  • This last section runs at an acute angle to the horizontal or vertical planes passing through the first section.
  • This particular arcuate design of the clip according to the invention ensures that, despite minimal material expenditure, the torsion spring arm of the clip brings a high tensioning force (approx. 11 kp) with a sufficiently large spring travel (approx. 10 mm).
  • the clip can therefore be used with at least as good an effect as the previously used mounting clips.
  • the flattening provided on the last section of the clip has a relatively short length.
  • the flattening is crowned in a vertical plane perpendicular and parallel to the longitudinal direction of the rail. This results in an optimal contact surface that is independent of the rail foot.
  • the two ends of the clip according to the invention protrude beyond the arcuate sections, as seen in the horizontal direction.
  • the clip is a kind of torsion spring. Accordingly, it also has their positive properties. So it has a high clamping force with a minimal length and allows a relatively large spring travel.
  • the relatively elongated start and end sections enable the clamp to be held well or the force to be transmitted.
  • the fastening clip according to the invention can consist of five sections.
  • the fifth additional section is provided between the second and third sections and extends substantially in the same vertical plane as the first and second sections of the bracket. In this case, it forms an arc, the first part of which slopes towards the first section and the second part of which rises in comparison to the latter and merges into the penultimate section.
  • the beginning and end of this clip are - seen in the longitudinal direction - within the arc sections of the clip.
  • This second constructive variant of the clamp also has some of the advantages shown above for the first embodiment. Large material savings are possible due to the fact that all sections are located on the rail foot side of the receiving part.
  • this clamp - viewed in the transverse direction to the rail course - takes up a much smaller space than the conventional clamps, which have a much more complicated shape.
  • a mounting arrangement for railroad tracks of the type required in claim 10 in that the support surface of the receiving part is arranged substantially vertically above the bore, and in that the mounting bracket is a bracket according to claims 1 to 9, which is is supported on the support surface via a section lying in the vertical plane above the first section.
  • the clip already described is then supported on a support surface via the clip section lying in the vertical plane above the first section.
  • This support surface is arranged essentially vertically above the bore receiving the first section of the clamp on the receiving part.
  • the clip is consequently supported according to the invention on a support surface which is arranged essentially vertically above the bore on the top of the receiving part of the anchoring element.
  • This mutually adapted design of the clip and the receiving part enables the arrangement, in particular the clip, to be configured in a particularly material-saving manner.
  • the support surface directly above the bore and not laterally on the side of the bore facing away from the rail as in the known arrangements, it is in fact possible to design the clip in the optimal brevity according to the invention.
  • the vertical arrangement of the holding section (1st section) and support arch (2nd section) allows a significantly easier installation of the clip. Because the fitter knows that the second section must always point upwards when the clamp is inserted. A mechanical driving in is just as cheap to carry out by raising the second section as manual driving (with a hammer) by the fitter.
  • the simple insertion of the clamp allows the correct insertion direction to be recognized immediately, since the second section always points in the direction of the rail when the second section is oriented vertically upward. This ensures that the clip is always driven in the correct direction of insertion. If the fitter has inserted the holding section of the clip into the wrong end of the hole in the receiving part due to carelessness, he will immediately recognize this error by the fact that the clip is loose, since it is not supported at all.
  • the support surface can be arranged in a wide variety of ways on the upper side of the receiving part.
  • the flat, essentially horizontal upper surface of the receiving part can serve as a support surface.
  • this support option only exists when the clip is used in the second embodiment, namely the clip with five sections.
  • the third section that is the section curved downward after the vertical second section, resiliently rests with its lowest point on the flat support surface.
  • the upper surface of the receiving part is provided with two ribs each aligned in the longitudinal direction of the rail. These ribs form a channel-shaped channel between them, in which the support arch of the clip engages.
  • the side walls of the ribs ensure lateral guidance or lateral support of the clip. There is no need to fear that if the clamp is driven in not perfectly aligned, it may be skewed and thus insufficient support with corresponding negative consequences. It may also be sufficient if there is only a single lateral rib, on the side of the bracket facing away from the rail.
  • the described lateral rib on the upper side of the receiving part can be designed to be substantially raised in the vertical direction, which results in a nose-like or strip-like configuration. It is particularly advantageous if the vertical, lateral support surface of the strip extends in a plane that is tangential to the receiving bore. This makes it possible for the clip to be supported on the support surface by means of the second, upwardly curved section. When the clip is driven in, an optimal alignment of the clip is achieved.
  • the design of the receiving part with a vertical support surface on the strip-shaped elevation is particularly advantageous since the vertical support surface of the bar fully absorbs the support forces of the clip. An additional support on a horizontal surface of the receiving part is therefore no longer necessary. This makes it possible to save a fifth section, namely a vertically effective support section.
  • the strip-shaped, vertical support part advantageously extends only in the first half of the receiving part, specifically on its insertion side.
  • the height of the support part is essentially coordinated with the height of the bracket in the assembled state of the arrangement.
  • the support part does not protrude from the highest point of the clamp in the assembled state of the arrangement. This means that no additional space is required for the support part.
  • a particular advantage can be achieved in that the receiving bore on the insertion side is open at the top of the width of this bore.
  • the vertical support surface of the support part thus merges into the insertion channel formed thereby. It is expedient if the insertion channel makes up about 1/3 of the length of the receiving part.
  • the second section of the clamp namely the support arch section, can thus be pushed into the interior of the receiving part to such an extent that the clamp does not protrude beyond the end face of the insertion side of the receiving part. This results in a particularly compact form of the fastening arrangement.
  • the brace is supported essentially over the entire support arch on the vertical support surface. This guarantees optimal support conditions.
  • the support bar has an insertion bevel on the insertion side, so that the full support forces do not have to be overcome during the entire insertion process, but preferably only over the last third of the support part length.
  • a recess is further provided according to the invention on the vertically downward-facing side of the holding section of the clip, whereby the protruding end of the clip has a hook-shaped or detent-shaped design.
  • the clamp is rotated by 180 ° about the horizontal axis relative to the mounting position, so that it is outside the rail area.
  • the special design of the receiving part and the interaction with the bracket consisting of four or five sections with the receiving part results in a favorable force situation in which the forces are dissipated well into the substructure without loosening of the anchoring element, which is also caused by the special design of the anchoring part is counteracted.
  • the first embodiment of the fastening clip which is designated overall by 10, can be seen.
  • the clip consists of a multi-curved rod made of suitable steel and can be divided into four sections. The orientation of the individual sections of the clip is described below on the basis of the mounting position of the clip.
  • the first section 11 of the clamp 10 then runs essentially horizontally and has an initial surface A perpendicular to the rod axis.
  • the first section 11 merges into a second section 12 which is bent up and then back in a substantially vertical plane passing through the first section 11, so that the end of the second section 12 is substantially in the same direction as the beginning A of the bracket 10 shows.
  • the second section 12 merges into an arcuate third section 13, which slopes downward both at an angle to the vertical and to the horizontal plane.
  • a fourth and last section 14 follows, which runs obliquely downwards with respect to the third section 13 and inwards in the opposite direction and with respect to the first section 11 and has a slight curvature R which is open towards the top.
  • the end surface E of section 14 is perpendicular to the rod axis in the same way as the starting surface A, but has an inclination to the horizontal of approximately 15 ° .
  • a step-shaped recess is provided which forms a catch 16 on the underside of this section 11.
  • a flat 17 designed with which the clamp 10 rests on the rail foot in a manner to be described. This flattening has an incline of 14 ° to the horizontal in the axial view and an inclination of 5 ° in the view transverse to the longitudinal axis of the rail.
  • the additional fifth section 15 is arranged between the second section 12 and the section 13. It runs essentially in the vertical plane through the first section 11 and is designed to drop downwards in its first half and to rise upwards in the second half.
  • the ends of the clip 9, viewed in the axial direction, do not exceed the arcuate sections 12, 13 of the clip 10.
  • the ends of the clip 10 of the first exemplary embodiment are formed so as to protrude beyond the arc sections 12 and 13.
  • 6 to 11 show the interaction and the functional adaptation according to the invention of clip 9 or 10 and the receiving part 22 of an anchoring element 20.
  • the bracket 9 is used with five sections.
  • the first section 11 of the clamp 9 is inserted into a horizontal bore 24 in the receiving part 22 of the anchoring element 20. It can be seen that the bore 24 has a larger diameter than the clamp 9.
  • the first section 11 is angularly wedged in the bore 24 such that the beginning A is supported on the upper surface of the bore 24, while the other End of section 11 abuts the lower surface of the bore 24.
  • a substantially horizontal support surface 23 is provided on the upper side of the receiving part 22, on which the fifth section 15, also called a support arch, is supported with its underside.
  • the holding means of the first section 11 of the clamp 9, the support point between the support surface 23 and the support arch 15 and the flattened support end E are arranged approximately centrally with respect to that of the receiving part 22, as seen in the longitudinal direction of the rail.
  • the five-part clamp 9 is inserted into a receiving part 22, which has two rounded ribs 25 running on the top in the longitudinal direction of the rail. These ribs 25 form between them a support channel 26, the support surface of which has a larger radius than the section 15 of the bracket 9 which is supported therein. It can be seen that the support channel 26 provides an even better, in particular more precise, support in the lateral direction than that first embodiment of FIGS. 6 and 7 allowed.
  • the receiving part 22 has a strip-shaped support part 27 with an essentially vertical support surface 23.
  • This support surface 23 is also oriented essentially tangentially upwards to the bore 24.
  • the clamp 10 is supported on the support surface 23 essentially over the entire second section 12, which forms the support arch here.
  • the support forces run essentially horizontally into a strip-shaped support part 27.
  • the bore 24 is essentially open over its entire width on the first third from the insertion side. As a result, the support surface 23 is extended into the interior of the bore 24.
  • the support part 27 has a length of max.
  • the support part 27 is also beveled on at least half of its longitudinal extent towards the insertion side, so that the driving-in of the clamp 9 is made considerably easier by this inlet or insertion bevel 28.
  • Fig. 11 shows a different support behavior compared to the bracket 9.
  • the support takes place in the area of the insertion side on the upper side of the bore 24 and in the area of the outlet side on the underside of the bore 24 the catch 16 the outlet end of the bore 24, so that an axial sliding out of the portion 11 of the bracket 10 from the bore 24 is not possible.
  • the end E of the last section 14 extends beyond the insertion end of the receiving part 22. 11 also shows that the support point S of the second section 12 on the support surface 23 lies approximately midway between the lower support point at the end A and the support point at the end E of the bracket 10. As a result, an optimal load condition has also been achieved.
  • a railroad track 4 rests with its track foot 5 on a concrete sleeper 3.
  • Anchoring elements 20 are arranged on both sides of the rail foot 5 and are firmly cast with their lower part 21 in the sleeper 3, while their receiving part 22 lies above the surface of the sleeper.
  • a clamp 10 is driven into the bore of the receiving part in the manner described above. The advantageous support of the clamp 10 on the support part 27 of the receiving part 22 of the anchoring element 20 can be seen in particular from FIG. 13.
  • a base plate 31 is shown.
  • holes 29 are provided for fastening them on wooden, concrete or metal sleepers.
  • the two receiving parts 22 are arranged offset such that the rail foot-side sections of the brackets 10 are supported essentially on both sides of the rail foot with respect to the center line of the plate 31 running transversely to the rail in the region of the center line mentioned on the rail foot.
  • the anchoring element or the base plate can be a plastic part, a cast part or a forged part, depending on the loads and the application.
  • a particularly preferred anchoring element 101 which in principle consists of an upper receiving part 102 and an anchoring part 103 extending vertically below it.
  • the receiving part 102 has a receiving bore 104 in the longitudinal direction of the rail, into which the first section of a fastening clip 105 having four sections is inserted.
  • a strip-shaped, vertically upwardly projecting support part 106 Arranged on the top of the receiving part 102 is a strip-shaped, vertically upwardly projecting support part 106, which has a support surface oriented essentially vertically and tangentially to the receiving bore 104.
  • the support part 106 takes up approximately half the length of the receiving part 102, is no higher than the second section of the holding clip 105 and has an inlet slope 108 on approximately 2/3 or at least half of its side facing the insertion side.
  • the receiving bore is open in a channel-like manner at approximately 1/3 of its length, so that the clamp 105 with its second section, the so-called support arch, is pushed completely into this area of the receiving part can.
  • FIG. 21 shows the distribution of forces when the clamp 105 is driven in, while the manner in which the first clamp section is supported in the receiving bore 104 can be clearly seen from FIG. 18.
  • the construction according to the invention results in more favorable force relationships, which stress all components less.
  • the vertical arrangement of the second section of the clamp which is acted upon when the clamp is driven in the longitudinal direction of the rail, prevents the arrangement from rotating about the vertical axis, as is the case when the clamps are driven in with the known rail fastenings.
  • two vertically downward-pointing walls 109 are provided, which start from the narrow sides of the anchoring part 103 and are oriented transversely to the longitudinal direction of the rails.
  • the walls 109 preferably have a triangular shape.
  • the foot part 110 formed in this way is relatively large and has approximately the same length at its base as the receiving part.
  • the two legs are designed to extend at an acute angle into the narrow side of the anchoring part 103.
  • openings or, as shown in the drawing, undulating surfaces can also be provided in the anchoring part 103.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Railway Tracks (AREA)
  • Clamps And Clips (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Flanged Joints, Insulating Joints, And Other Joints (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Connection Of Plates (AREA)
  • Wire Bonding (AREA)
EP86102794A 1985-03-15 1986-03-04 Befestigungsklammer und Befestigungsanordnung für Eisenbahnschienen Expired EP0194550B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86102794T ATE46201T1 (de) 1985-03-15 1986-03-04 Befestigungsklammer und befestigungsanordnung fuer eisenbahnschienen.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19853509472 DE3509472A1 (de) 1985-03-15 1985-03-15 Verankerungselement fuer befestigungsanordnungen mit befestigungsklammern, insbesondere fuer eisenbahnschienen
DE19853509473 DE3509473A1 (de) 1985-03-15 1985-03-15 Befestigungsklammer und befestigungsanordnung fuer eisenbahnschienen
DE3509472 1985-03-15
DE3509473 1985-03-15

Publications (3)

Publication Number Publication Date
EP0194550A2 EP0194550A2 (de) 1986-09-17
EP0194550A3 EP0194550A3 (en) 1986-11-20
EP0194550B1 true EP0194550B1 (de) 1989-09-06

Family

ID=25830368

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86102794A Expired EP0194550B1 (de) 1985-03-15 1986-03-04 Befestigungsklammer und Befestigungsanordnung für Eisenbahnschienen

Country Status (10)

Country Link
US (1) US4718604A (ja)
EP (1) EP0194550B1 (ja)
JP (1) JPH0723601B2 (ja)
KR (1) KR950010519B1 (ja)
CN (1) CN1004642B (ja)
AT (1) ATE46201T1 (ja)
AU (1) AU574904B2 (ja)
BR (1) BR8601157A (ja)
CA (2) CA1332829C (ja)
DE (1) DE3665492D1 (ja)

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US4967954A (en) * 1988-12-15 1990-11-06 American Track Systems, Inc. Rail fastening device
DE69220303T2 (de) * 1991-07-24 1998-01-02 Sharp Kk Verfahren zur Herstellung eines Halbleiterlasers mit verteilter Rückkoppelung
FR2701276B1 (fr) * 1993-02-05 1995-04-28 Allevard Ind Sa Insert de fixation pour une attache de rail.
GB2298442B (en) * 1995-03-03 1999-01-13 Pandrol Ltd Railway rail-fastening clip and assembly
CN1213203C (zh) * 1999-11-18 2005-08-03 张泳吉 轨道固定栓
KR100369639B1 (ko) * 1999-11-18 2003-01-29 장영길 자갈도상용 ｐｃ침목 고정쇠
GB0024684D0 (en) * 2000-10-09 2000-11-22 Pandrol Ltd Railway rail fastening clip assembly
EP2176464B1 (en) * 2007-07-04 2014-09-10 Pandrol Limited Components for rail fastening assembly
US20090057435A1 (en) * 2007-08-27 2009-03-05 Jude Igwemezie P-clip clip for retaining rails
KR101050490B1 (ko) * 2010-09-20 2011-07-20 삼표이앤씨 주식회사 철도 레일 고정용 탄성클립 및 이의 설치방법
US9702091B2 (en) 2015-04-14 2017-07-11 Pandrol Ltd. Railroad tie plate with integral clip retainers and method of making the same
US10240299B2 (en) * 2016-07-25 2019-03-26 Progress Rail Services Corporation Mechanism and system for fastening track rail to a substrate and track rail fastening method
GB2557609B (en) * 2016-12-12 2023-01-18 Pandrol Ltd A variable diameter fastener for a railway rail fastening assembly
US11098454B2 (en) * 2019-04-01 2021-08-24 Progress Rail Services Corporation Track rail fastener and system for pedestal mounted track rail
RU196421U1 (ru) * 2019-11-26 2020-02-28 Леонид Михайлович Попко Клемма рельсового скрепления
RU2744086C1 (ru) * 2020-09-15 2021-03-02 Федеральное государственное бюджетное образовательное учреждение высшего образования "Сибирский государственный университет путей сообщения" (СГУПС) Анкерное рельсовое скрепление

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GB1305871A (ja) * 1971-01-26 1973-02-07

Also Published As

Publication number Publication date
BR8601157A (pt) 1986-11-25
CA1332829C (en) 1994-11-01
DE3665492D1 (en) 1989-10-12
KR950010519B1 (en) 1995-09-19
ATE46201T1 (de) 1989-09-15
EP0194550A2 (de) 1986-09-17
AU5441986A (en) 1986-09-18
AU574904B2 (en) 1988-07-14
KR860007425A (ko) 1986-10-13
CA1337563C (en) 1995-11-14
JPS61211401A (ja) 1986-09-19
CN86102427A (zh) 1986-09-17
CN1004642B (zh) 1989-06-28
JPH0723601B2 (ja) 1995-03-15
US4718604A (en) 1988-01-12
EP0194550A3 (en) 1986-11-20

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