EP0409961B1 - Gleiteinlage für zungenvorrichtungen wie auch für gleitflächen für bewegliche herzstückspitzen, sowie verfahren zum befestigen einer derartigen gleiteinlage an dem gleitbett von zungenvorrichtungen - Google Patents

Gleiteinlage für zungenvorrichtungen wie auch für gleitflächen für bewegliche herzstückspitzen, sowie verfahren zum befestigen einer derartigen gleiteinlage an dem gleitbett von zungenvorrichtungen Download PDF

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Publication number
EP0409961B1
EP0409961B1 EP90903358A EP90903358A EP0409961B1 EP 0409961 B1 EP0409961 B1 EP 0409961B1 EP 90903358 A EP90903358 A EP 90903358A EP 90903358 A EP90903358 A EP 90903358A EP 0409961 B1 EP0409961 B1 EP 0409961B1
Authority
EP
European Patent Office
Prior art keywords
sliding
sliding insert
rail
insert
frame
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
Application number
EP90903358A
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German (de)
English (en)
French (fr)
Other versions
EP0409961A1 (de
Inventor
Urs Germann
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.)
Magna Holding Anstalt
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Magna Holding Anstalt
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Filing date
Publication date
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Application filed by Magna Holding Anstalt filed Critical Magna Holding Anstalt
Priority to AT90903358T priority Critical patent/ATE89624T1/de
Publication of EP0409961A1 publication Critical patent/EP0409961A1/de
Application granted granted Critical
Publication of EP0409961B1 publication Critical patent/EP0409961B1/de
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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
    • E01B7/00—Switches; Crossings
    • E01B7/02—Tongues; Associated constructions
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2202/00—Characteristics of moving parts of rail systems, e.g. switches, special frogs, tongues
    • E01B2202/04—Nature of the support or bearing
    • E01B2202/042—Sliding
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2202/00—Characteristics of moving parts of rail systems, e.g. switches, special frogs, tongues
    • E01B2202/04—Nature of the support or bearing
    • E01B2202/06—Use of friction-reducing surfaces

Definitions

  • the invention relates to a sliding insert for tongue devices as well as for sliding surfaces for movable frog tips for supporting a tongue rail or frog tip movable with respect to a fixedly mounted stock rail, the sliding insert being fastened on a bottom part arranged immovably with respect to the stock rail and running perpendicularly to the web thereof, and several in one rectangular frame held sliding elements made of self-lubricating material.
  • Such a sliding insert is known from EP-A-232 726 and DE-GM 87 00 566.2.
  • the sliding insert consists of a sheet metal frame with openings in which sliding elements are inserted.
  • a tongue rail or movable centerpiece tip rests on the lower surface of these sliding elements, which protrude above the surface of the sliding chair and the sheet metal frame.
  • the sliding insert is inserted into the aforementioned recess.
  • the frame in which the slide insert is arranged is lifted at the front end with a tool and pulled out of the recess.
  • a plastic sliding covering for rail switches is known in which a switch tongue on a switch chair covered with plastic can be slid back and forth relative to a rail and the plastic sliding covering is arranged in a recess of the switch chair so that it dominates the surface of the switch chair.
  • the functional reliability of the switch is guaranteed by the sliding of the switch tongue on the surfaces of plastic strips, because the strips always keep their flat shape due to their free mobility or all-round extensibility and do not bulge.
  • a plastic slide plate for a rail switch with a switch chair and switch slide tongue is known, in which the switch tongue can be moved essentially in a horizontal plane on the surface of the slide plate received by the switch chair, and essentially perpendicular or obliquely to Horizontal load forces are absorbed by the sliding plate.
  • the plastic sliding plate is carried on an essentially horizontal surface of the turnout chair and is held between the lateral boundary strips.
  • the DE-GM 19 18 253 shows a grooved rail switch, the tongue of which is displaceable on a sliding insert which is carried by a base part which is fixed both on the running rail and on the side rail.
  • the sliding insert is fixed on both sides in a dovetail guide. An exchange is therefore only possible by pushing in the longitudinal direction, for which the entire grooved rail must be completely dismantled.
  • AT-PS 319 990 shows a centerpiece with a movable centerpiece tip that slides on a wear plate. This wear plate must be lubricated at regular intervals. This document does not show how this wear plate is attached to the centerpiece.
  • DE-PS 438 513 shows a mounting for switch tongues in grooved rail switches, in which the tongue foot is wider than the track groove. So that the switch tongue can be inserted into the grooved rail, a recess is provided on the head of the side rail, which allows the switch tongue to be inserted laterally and then tilted.
  • the object of the invention is therefore to provide a maintenance-free sliding insert that can be easily replaced.
  • a sliding insert of the type mentioned above in that the bottom part has a rectangular recess for receiving the frame, that this recess has undercut grooves on its two sides running perpendicular to the stock rail, that the frame on at least one of its sides perpendicular to the stock rail extending sides has a projection that at least one of the grooves has at least one upwardly open recess for receiving the associated projection and that the recess is arranged in the longitudinal direction of the groove so that the projection is offset from the recess when the slide insert is fully assembled.
  • this object is achieved in that the sliding insert, with its one side running perpendicular to the stock rail, is inserted obliquely from above into the one groove, that the sliding insert is then tilted into the horizontal position, its projection being inserted into the recess in the other groove and that finally the sliding insert is advanced and locked in the direction of the stock rail.
  • the projections or recesses are only on one side of the sliding insert, while on the other side the groove in the bottom part runs through the entire length.
  • the invention thus creates a sliding insert for tongue devices that can be easily replaced, even with tongue devices of grooved rails, where space is limited.
  • This sliding insert is maintenance-free due to the materials used and does not need to be lubricated.
  • Lubrication has the disadvantage that, when heated, the lubricant evaporates at least partially and, if necessary, resinifies, so that in individual cases new lubricant has to be applied up to twice a day. Some of the lubricant also gets into the groundwater, which is extremely problematic with the oil-containing lubricants.
  • the self-lubricating effect is achieved in that the sliding elements are made of self-lubricating sliding metal, in particular graphite bronze, the coefficient of friction of which is in Comparative tests of up to 1 million strokes have proven to be constant.
  • These sliding elements are designed as rondelles, which are inserted in a frame of the sliding insert in pocket openings in the form of a tight fit.
  • the water channel usually present in grooved rails is used for the assembly and disassembly, the width of which corresponds approximately to the width of one of the projections on the frame of the slide insert.
  • the invention is described below in connection with a sliding insert for the tongue device of a grooved rail. However, it should be pointed out that the invention can be applied to any type of tongue device, that is to say also to so-called open tongue devices.
  • FIG. 1 shows a grooved rail, consisting of a stock rail 2 and an insert or protective rail 4.
  • the stock rail 2 and the insert rail 4 each have a head 2a or 4a, which tapers downward to form a web 2b or 4b.
  • Both webs 2b and 4b have, at their section facing away from the respective head 2a, 4a, vertically integrally formed lugs 2d, 4d, on which the lower surface of a bottom part 5 of the sliding bed partially rests.
  • the base part 5 is welded to the shoulders 2d and 4d of the webs 2b and 4b.
  • the foot 2c of the stock rail 2 and the foot 4c of the shim 4 are welded to a base plate 17.
  • a free space is formed which, in the case of grooved rail tongue devices, serves to accommodate the wheel flange of a rail vehicle, in particular a tram, for guiding the wheel set in a track, as is the case with usual pavers with single sliding chairs and grooved rail tongue devices is the case.
  • the flange can thus move in the tongue device in the longitudinal direction without any problems within the space thus formed.
  • a tongue rail 3 of a switch is arranged between the free space formed by the heads 2a and 4a and, in operation, can optionally be placed on one or the other head 2a, 4a. Since the wheel of a rail vehicle rests on the surface of the tongue rail 3 or not, depending on the direction of travel, the weight forces acting on the tongue rail 3 must be absorbed by the base part 5 of the slide bed. On the top of the bottom part 5, a sliding insert 1 is arranged, which the frictional force caused by the movement of the tongue rail 3 when changing the switch significantly reduces.
  • the sliding insert 1 has pocket openings or openings in which sliding elements 6 are inserted with a tight fit.
  • sliding elements 6 consist of self-lubricating sliding metal, in particular graphite bronze, and preferably protrude above the surface of the sliding insert 1. They are designed as rondelles, which are arranged offset in the longitudinal direction of the sliding insert 5.
  • the tongue rail 3 lies with its surface opposite the wheel support on the surface of the sliding elements 6.
  • the sliding insert 1 lies flat on the base part 5 and is brought with its one section 11 to bear against the inside of the web 2b of the stock rail 2.
  • the opposite end section 12 of the sliding insert is located at a distance from the inside of the web 4b of the shim, this distance forming a channel 13. This channel is used to drain water.
  • a bore 14 and 15 are made, which are aligned with each other when installed.
  • a locking bolt (not shown) can be inserted into this bore.
  • FIG. 2 shows a section along the line BC of FIG. 1.
  • the sliding insert 1 consists of a frame 7 with sliding elements 6 attached to it.
  • the base part 5 has a rectangular recess, the two sides of which run perpendicular to the stock rail have undercut grooves 10 which are preferably wedge-shaped or dovetail-shaped in cross section.
  • the grooves have upwardly open recesses 9 which are so large that the projections 8 of the frame can be inserted from above.
  • the recesses 9 are arranged in the longitudinal direction of the grooves so that the projections 8 in the fully assembled position of the sliding insert 1, in which the end portion 11 abuts the stock rail 2, are displaced with respect to the recesses 9 and are thus held in the grooves 10 .
  • the length of the projections 8 in the insertion direction is equal to or less than the width of the channel 13.
  • the length of the diagonals of the sliding insert 1 is smaller than the distance between the webs 2b and 4b of the two rails 2 and 4, see above that the sliding insert 1 can be rotated by 90 ° in the horizontal plane (drawing plane of FIG. 2).
  • the width of the sliding insert is approximately equal to the distance between the two heads 2a and 4a, so that the sliding insert 1 can be inserted into the space 18 from above.
  • the sliding insert is assembled in the following steps: First, the sliding insert 1 is inserted into the free space 18 formed between the tips 2a and 4a of the two rails 2 and 4, the sliding insert being oriented such that its two longer sides are approximately parallel to the longitudinal direction of the two rails 2 and 4 run.
  • the sliding insert can be tilted relative to the plane of the base part 5 so that it fits between the two heads 2a and 4a of the two rails 2 and 4.
  • the sliding insert on the is inserted past the two heads 2a and 4a into the space 18, it is rotated parallel to the plane formed by the base part 5 by 90 ° and aligned so that the projections 8 lie over the recesses 9.
  • the sliding insert is then lowered and then advanced in the direction of the stock rail 2, so that the projections 8 engage in the undercut grooves 10.
  • the end position is reached when the front section 11 of the sliding insert comes to a stop on the web of the stock rail.
  • the bores 14 and 15 are also aligned and the securing bolt can be driven in.
  • the tongue rail 3 is not installed during these operations.
  • another securing device can also be provided, for example by a securing element arranged in the area of the channel 13, which presses the sliding insert 1 against the stock rail 2.
  • This element can be a spring, for example, which is supported on the web 4b of the shim 4 and the end section 12 of the sliding insert.
  • the sliding insert is removed in the reverse order. First the securing element is removed. If a bolt is used as a securing element, it is knocked down into space 16. The sliding plate is then moved so far in the direction of the shim 4 until the projections 8 are aligned with the recesses 9 and the sliding insert 1 can be lifted upwards. It can be seen that the displacement path required for disassembly is very small, which makes disassembly easier.
  • Fig. 3 shows a plan view of the sliding insert 1 of Figs. 1 and 2. This embodiment is essentially characterized in that there are three projections 8 on both longer sides of the frame 7.
  • FIG. 4 shows a top view of a second exemplary embodiment of the sliding insert similar to FIG. 3.
  • the sliding insert has three projections 8 only on one side, while on the opposite side it has a bevel 19 extending over the entire longitudinal direction.
  • the base part 5 then has a continuous groove on one side, while the groove arranged on the opposite side has the three recesses 9.
  • the sliding insert is initially inserted obliquely from above after appropriate alignment with respect to the base part 5 such that the bevel 19 engages in its associated groove. Only then is the sliding insert tipped down into the horizontal position, the projections 8 then being inserted into the cutouts 9 (cf. FIG. 3). The remaining steps are carried out in the manner described.
  • Fig. 5 shows a cross section of the sliding insert seen along the section line E-F. From this it can be seen that both long sides of the sliding insert are chamfered from the top, corresponding to the shape of the grooves (10) in the bottom part 5.
  • the bevels 19 run continuously straight from the top of the sliding insert to the bottom. The resulting tip can be broken by a chamfer 20 in order to ensure an easier displacement of the sliding insert in relation to the base part 5.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Railway Tracks (AREA)
  • Bearings For Parts Moving Linearly (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Seats For Vehicles (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Replacement Of Web Rolls (AREA)
EP90903358A 1989-02-10 1990-02-12 Gleiteinlage für zungenvorrichtungen wie auch für gleitflächen für bewegliche herzstückspitzen, sowie verfahren zum befestigen einer derartigen gleiteinlage an dem gleitbett von zungenvorrichtungen Expired - Lifetime EP0409961B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90903358T ATE89624T1 (de) 1989-02-10 1990-02-12 Gleiteinlage fuer zungenvorrichtungen wie auch fuer gleitflaechen fuer bewegliche herzstueckspitzen, sowie verfahren zum befestigen einer derartigen gleiteinlage an dem gleitbett von zungenvorrichtungen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3904026 1989-02-10
DE3904026A DE3904026A1 (de) 1989-02-10 1989-02-10 Gleiteinlage fuer geschlossene zungenvorrichtungen wie auch fuer gleitflaechen fuer bewegliche herzstueckspitzen, sowie verfahren zum befestigen einer derartigen gleiteinlage an dem gleitbett von rillenschienenzungenvorrichtungen

Publications (2)

Publication Number Publication Date
EP0409961A1 EP0409961A1 (de) 1991-01-30
EP0409961B1 true EP0409961B1 (de) 1993-05-19

Family

ID=6373834

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90903358A Expired - Lifetime EP0409961B1 (de) 1989-02-10 1990-02-12 Gleiteinlage für zungenvorrichtungen wie auch für gleitflächen für bewegliche herzstückspitzen, sowie verfahren zum befestigen einer derartigen gleiteinlage an dem gleitbett von zungenvorrichtungen

Country Status (9)

Country Link
US (1) US5127613A (enrdf_load_stackoverflow)
EP (1) EP0409961B1 (enrdf_load_stackoverflow)
AT (1) ATE89624T1 (enrdf_load_stackoverflow)
CA (1) CA2028839A1 (enrdf_load_stackoverflow)
DE (2) DE3904026A1 (enrdf_load_stackoverflow)
DK (1) DK0409961T3 (enrdf_load_stackoverflow)
ES (1) ES2040594T3 (enrdf_load_stackoverflow)
FI (1) FI91302C (enrdf_load_stackoverflow)
WO (1) WO1990009484A1 (enrdf_load_stackoverflow)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT397673B (de) * 1992-05-18 1994-06-27 Voest Alpine Eisenbahnsysteme Einrichtung zum festlegen von gleiteinlagen
US5482231A (en) * 1994-06-07 1996-01-09 Double T Railroad Products Rail switch point assist apparatus
AT410330B (de) * 1999-04-27 2003-03-25 Vae Ag Zungenkasten für rillenschienenweichen
DE10016015A1 (de) * 2000-03-31 2001-10-04 Butzbacher Weichenbau Gmbh Oberbau-Zungenvorrichtung
ITVE20030002U1 (it) * 2003-01-24 2004-07-25 Rinaldin Bruna Scambio per rotaie, in particolare per binari di rotaie metropolitane, tranviarie, ferroviarie
DE102004048751B3 (de) * 2004-08-11 2005-12-29 Schreck-Mieves Gmbh Zungenvorrichtung
DE102016001631A1 (de) 2016-02-15 2017-08-17 Heinrich Krug GmbH & Co. KG Zungenvorrichtung, insbesondere Rillenschienen-Zungenvorrichtung und Verfahren zur Herstellung einer Zungenvorrichtung
DE102017129825A1 (de) * 2017-09-19 2019-03-21 Voestalpine Bwg Gmbh Zungenvorrichtung
CN107780311B (zh) * 2017-12-05 2024-02-02 中国铁建重工集团股份有限公司 铁路道岔及其滑床台板
US20220145547A1 (en) * 2020-11-06 2022-05-12 Roller Bearing Company Of America, Inc. Railway switch with lubricious liner

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US752517A (en) * 1904-02-16 Slide-plate for railway-switches
DE438513C (de) * 1926-12-16 Gutehoffnungshuette Oberhausen Lagerung fuer Weichenzungen
DE1918253A1 (de) * 1969-04-03 1970-10-08 Sankyo Co Verbessertes Verfahren zur Herstellung von 3-Hydroxyisoxazolverbindungen
FR2142574B1 (enrdf_load_stackoverflow) * 1971-06-21 1973-05-25 Paris & Outreau Acieries
US4131255A (en) * 1976-02-09 1978-12-26 Heinz Faigle Rail switch arrangement
LU75283A1 (enrdf_load_stackoverflow) * 1976-07-01 1978-02-08
DE2631594C2 (de) * 1976-07-14 1978-09-28 Wilfried 7031 Nufringen Ensinger Kunststoffgleitbelag für Schienenweichen
DE2729723A1 (de) * 1977-07-01 1979-01-18 Koellmann U Vorlaender Fa Rippenplatte mit gleitstuhl und verfahren zu deren herstellung
FR2398841A1 (fr) * 1977-07-27 1979-02-23 Stecma Coussinet pour lame d'aiguille des appareils de voie
FR2423584A1 (fr) * 1978-04-17 1979-11-16 Stecma Coussinet de soutien des lames d'aiguille pour appareils de voie
DE3406726A1 (de) * 1984-02-24 1985-08-29 Wilfried 7031 Nufringen Ensinger Kunststoffgleitplatte fuer eine schienenweiche
CH669231A5 (de) * 1986-01-14 1989-02-28 Magna Holding Anstalt Gleitstuhl fuer weichen und kreuzungen.
JPH0421841Y2 (enrdf_load_stackoverflow) * 1987-01-22 1992-05-19
GB2202563B (en) * 1987-03-19 1991-08-21 British Railways Board A railway switch
DE3743368A1 (de) * 1987-12-21 1989-07-13 Elektro Thermit Gmbh Gleitschuh fuer schienenweichen

Also Published As

Publication number Publication date
DK0409961T3 (da) 1993-06-14
DE3904026A1 (de) 1990-08-16
FI91302C (fi) 1994-06-10
FI904977A0 (fi) 1990-10-09
DE59001478D1 (de) 1993-06-24
DE3904026C2 (enrdf_load_stackoverflow) 1992-03-19
ES2040594T3 (es) 1993-10-16
WO1990009484A1 (de) 1990-08-23
CA2028839A1 (en) 1990-08-11
FI91302B (fi) 1994-02-28
EP0409961A1 (de) 1991-01-30
ATE89624T1 (de) 1993-06-15
US5127613A (en) 1992-07-07

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