EP0709523A1 - Ausdehnungsvorrichtung für Eisenbahngleis; Montageplatine für eine Backenschiene oder für eine Zunge mit zugehöriger Backenschiene auf einer Schwelle - Google Patents

Ausdehnungsvorrichtung für Eisenbahngleis; Montageplatine für eine Backenschiene oder für eine Zunge mit zugehöriger Backenschiene auf einer Schwelle Download PDF

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Publication number
EP0709523A1
EP0709523A1 EP95402356A EP95402356A EP0709523A1 EP 0709523 A1 EP0709523 A1 EP 0709523A1 EP 95402356 A EP95402356 A EP 95402356A EP 95402356 A EP95402356 A EP 95402356A EP 0709523 A1 EP0709523 A1 EP 0709523A1
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EP
European Patent Office
Prior art keywords
needle
track
counter
plate
needles
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Granted
Application number
EP95402356A
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English (en)
French (fr)
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EP0709523B1 (de
Inventor
Alain Macchi
Jean-Claude Delorieux
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SNCF Mobilites
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SNCF Mobilites
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Publication of EP0709523A1 publication Critical patent/EP0709523A1/de
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Publication of EP0709523B1 publication Critical patent/EP0709523B1/de
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/06—Arrangement, construction or bridging of expansion joints
    • E01D19/065—Joints having sliding plates
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B11/00—Rail joints
    • E01B11/02—Dismountable rail joints
    • E01B11/20—Dismountable rail joints with gap-bridging
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2/00—General structure of permanent way
    • E01B2/003—Arrangement of tracks on bridges or in tunnels

Definitions

  • Such a device is used in particular when it is necessary to absorb the movements due to the expansion of engineering structures located in areas of long welded rails, in a particularly well suited manner in the case of very high speed railways. , it being understood that use in other locations or on other types of railways can also be envisaged.
  • each needle and the associated counter-needle are linked to the sleepers by means of a rigid cradle, several meters in length parallel to the axis of the track, so as to rigidly connect the crosspieces of the part of the device in which the counter-needles rest on the bevels of needles, as well as a few crosspieces from each of the neighboring parts.
  • a rigid cradle several meters in length parallel to the axis of the track, so as to rigidly connect the crosspieces of the part of the device in which the counter-needles rest on the bevels of needles, as well as a few crosspieces from each of the neighboring parts.
  • This known assembly by means of rigid cradles, is incompatible with a change in gradient of the track or with positioning in a curve. It creates a heterogeneity in the behavior of the track at the level of the expansion apparatus in comparison with the adjacent sections thereof, causing difficulties in maintaining the geometry of the framing track both in leveling and in straightening. In addition, it complicates maintenance operations such as interventions on the ballast, in particular stuffing, and changes of needle or counter-needle in the event of damage.
  • each of the crosspieces comprises mounting means respectively fixed or sliding, parallel to the axis of the track or diverging from this, for the two needles or counter-needles, independent of the respectively fixed or sliding mounting means, parallel to the axis of the track or diverging from it, of the two needles or counter-needles on the other sleepers, and that localized means of mutual bracing of the sleepers are provided, for example in the form of a lierne situated in the axis of the track and mutually connecting the sleepers which are preferably chosen of the monobloc type, made made of a material chosen from a group comprising prestressed reinforced concrete and wood.
  • this assembly unlike the aforementioned assembly, is compatible with a change in gradient or a positioning in a curve, so that by "axis" of the railroad will be understood an average line not only rectilinear, but also curved within the framework of the present description.
  • An apparatus produced in accordance with the present invention also has the advantage of making it possible without difficulty to change the needle or the counter-needle, at least temporarily, to quickly restore the passage of the convoys after damage, while 'Such an intervention is long and complicated in the case of known expansion devices, mounted on rigid cradles.
  • the mounting means comprise, respectively for each needle or counter-needle, on each cross member, a rigid plate elastically mounted on the cross member and means respectively for securing the needle with the plate or for guiding the needle against sliding on the plate, parallel to the axis of the track or diverging from to this one.
  • the mounting means comprise, for each plate, an elastic sole interposed between a lower face for bearing the plate on the cross member and an upper face for the cross member and means for elastic setting of the plate on the cross member in any direction parallel to the upper face of the latter and elastic retaining of the plate in the direction of a distance from the upper face of the cross member.
  • the present invention provides plates that are particularly well suited to fulfill their role, either of fixed mounting of a needle and sliding mounting of the associated counter-needle, in the parts of the device where these these are mutually juxtaposed, either by sliding mounting of the counter-needle alone, in the part of the device in which the latter extends the associated needle.
  • Such a design ensures effective mutual securing between the needle and the plate, and provides support, downwards, against the needle, allowing it to slide in all directions parallel to the area d 'support.
  • This total freedom of sliding of the pad of the counter-needle has the consequence that it is preferred to limit the use of this simple version of the plate to the mounting, on a crosspiece, of the zone of the needle and of the corresponding counter-needle. at the second end of it.
  • the mounting of the needle and the associated counter-needle in the zone of the bevel of the needle, at least , a more complete version of this plate, characterized in that it further comprises, on the side of the bearing and sliding zone intended to be turned towards the outside of the track, a sliding support integral with the plate , projecting from said upper face and having on the side intended to be turned towards the inside of the track means for supporting the core of the counter-needle towards the outside of the track and for guiding the counter-needle to the sliding between positions in which its core is pressed against these support means towards the outside of the track.
  • the counter-needle is guided in its displacements with respect to the needle so that no one is created no discontinuity between them at the level of the directing line, that is to say so that no rolling discontinuity is established.
  • the plate further comprises, between the respective means for supporting the stop and the support for sliding, a stop integral with the plate and having on the side intended to be turned towards the outside of the track means of support for the core of the counter-needle towards the inside of the track and for guiding the counter-needle sliding between positions in which its core is pressed against these support means towards the inside of the track.
  • the guiding of the counter-needle is thus ensured under the best conditions, in order to preserve the continuity of the bearing whatever the state of expansion of the section of track to which the counter-needle is connected, relative to the section of track to which the 'needle, which makes the use of the device according to the invention fully compatible with very high speeds, where we mean not very high speeds speeds that can exceed 500 km / h.
  • a plate according to the invention can be produced in a particularly simple and economical manner, from an individualized or standardized foundry piece, defining said lower and upper faces, with the support zone downwards and sliding for the pad of the counter-needle, and thus constituting a base plate on which is attached in an integral manner another foundry piece, meanwhile constituting the stop for the needle in the aforementioned simple version of the plate, or two more standardized foundry pieces constituting this stop as well as the sliding support for the counter-needle in the more complete version, in relative positions adapted to the zone concerned by the dilation apparatus, and if necessary the stop which can advantageously be made integral with the plate by means of the stop support means, through the core of the needle; a single piece, bolted to the stopper through holes suitably arranged in the core of the needle, can then serve both as a stop and as means for securing the needle with the stopper.
  • Such a plate can advantageously be produced from the same parts as the aforementioned plate, intended for mounting an associated needle and counter-needle, namely the aforementioned foundry part, defining the lower face, the upper face and the bearing and sliding zone for the pad of the counter-needle on this upper face, and thus constituting a base plate, as well as the castings constituting the stop and the sliding support, it being understood that then , the stop is used without securing it to the core of the counter-needle, that is to say simply as a means for defining with the sliding support a guide channel for the core of the counter-needle parallel to the axis of the track.
  • the plates intended for mounting the needle and / or the counter-needle on the crosspieces, to produce an expansion device can thus be produced from a limited number of standardized parts, produced in the foundry and assembled by devices standardized by example of bolting, so that, on the one hand, their cost of manufacture and storage is low and that, on the other hand, damage which may have occurred on one of the plates can be easily repaired, by changing the component concerned , generally without it being necessary to disassemble for this purpose the plate relative to the cross-member and in all cases without it being necessary to intervene on the other plates which continue to ensure their function and consequently to allow the passage of convoys.
  • FIG. 1 where 1 has been designated by 1 an expansion device according to the invention, interposed between two sections 2, 3 of the current track, the second of which rests on a structure not shown capable, by expansion, of causing relative displacements of the section 3 in translation along a determined axis 4 of the track, relative to the section 2.
  • the axis 4 is rectilinear in the example illustrated, but one of the Advantages of the expansion device 1 according to the invention resides in the possibility of mounting it in a curve, in which case axis 4, the mean, curved line of the track is considered.
  • the device 1 ensures rolling continuity between a rail 5 of the section 2 and a rail 6 of the section 3, by means of a needle 7 and a counter-needle 8, and between the other rail 9 of the section 2 and the other rail 10 of section 3, by means of a needle 11 and a counter-needle 12.
  • each needle 7, 11 has a first end 13, 14 connected integrally, for example by welding, to the respectively corresponding rail 5, 9 of the section 2, just as each counter-needle 8, 12 has a first end 15, 16 connected integrally, for example by welding, to the respective corresponding rail 6, 10 of the section 3.
  • each needle 7, 11 and the corresponding corresponding counter-needle 8, 12 extend towards one another, parallel to the axis 4, to a central part 17 of the apparatus 1 in which each of them has a respective second end 18, 19, 20, 21 and in which the two needles 7, 11 retain their parallelism with respect to the axis 4 and their mutual parallelism, until their second end 18, 19, while the counter-needles 8, 12 curve progressively outwards 40, 41 of the track, to their second end 20, 21, thus moving apart mutually by pressing, towards inside 39 of the track, on a bevel 22, 23 which the corresponding needle 7, 11 respectively presents in the central part 17 of the apparatus 1, outside 40, 41 of the track, and which corresponds to a gradual refinement to the second end 18, 19 of this needle.
  • the two needles 17, 11 are mounted like the rails 5 and 9 of the section 2 on sleepers 24 of any known type, for example of the bi-block type as illustrated, according to a so-called "elastic" installation method, by means of saddles of known type, respectively 25, 26, 27, 28
  • the needles 7 and 11 are thus mounted in a practically integral manner, if one disregards the elasticity of the laying, on seven crosspieces 24, between their first end 13, 14 and the central part 17 of the device 1 , in the example illustrated, but this number naturally constitutes only a nonlimiting example.
  • the counter-needles 8, 12 are mounted like the rails 6, 10 of the section 3 on crosspieces 29 of a freely chosen type, for example of the bi-block type, by means of saddles 30, 31, 32, 33 of known type, ensuring a so-called laying "elastic".
  • This almost integral assembly if we disregard the elasticity of the pose, relates to six crosspieces from the first ends 15, 16 of the counter-needles 8, 12 in the example illustrated, but this number also only constitutes 'a nonlimiting example.
  • the unreferenced part of the device 1 located between the central part 17 and the first ends 13, 14 of the needles 7 and 11 and the also unreferenced part of this device directly adjacent to the first ends 15, 16 of the counter needles 8, 12 and extending to a zone 96, 97 thereof intermediate between their first end 15, 16 and the central part 17 of the device 1, where the second ends 19, 20 of the needles 7 are located , 11, can be considered as an integral part of the running track sections 2, 3, respectively.
  • the counter-needles 8 , 12 are mounted differently since they are carried by cross members 34 of rigid type, that is to say of a monobloc type chosen from a group comprising wooden cross members and prestressed reinforced concrete cross members, and this by by means of individual saddles 35, 36 of a known type, ensuring a so-called "sliding" pose, that is to say allowing a sliding of the counter-needles 8 and 12 parallel to the axis 4 relative to each cross members 34 while maintaining the mutual spacing of these counter needles 8 and 12 at the standard track spacing, as measured perpendicular to the axis 4 between the rails 5 and 9, or between the rails 6 and 10, or between needles 7 and 11.
  • This assembly relates to a part 37 of the device directly adjacent to the central part 17 thereof, on the side of the section 3 placed on the engineering structure whose device 1 is intended to absorb the expansions, which are reflected in particular by a sliding of the counter-needle 8, 12 on the saddles 35, 36 relative to the corresponding crosspieces 34.
  • the needles 7, 11 and counter-needles 8, 12 are mounted according to a type of installation called "semi-elastic" on the crosspieces 38 also chosen of rigid type, that is to say that is to say of the monobloc type and for example of wood or reinforced concrete, respectively fixedly if we disregard the aforementioned semi-elastic nature of the laying, and slidingly.
  • the sleepers 38 of the central part 17 are eleven in the example illustrated, but this number also constitutes only a nonlimiting example and other numbers may be chosen without departing from the scope of the present invention.
  • the crosspieces 34 and 38 are braced mutually by a straight link 93 which prevents them from approaching or s' distance each other, along the axis 4, during the movements that the expansions of the structure impose on the counter-needles 8, 12 relative to the needles 7, 11.
  • the lierne 93 for example constituted by a rigid metal profile, is mounted and fixed on the crosspieces 34 and 38 in a manner known per se in the case of other switches and crossings, by means of lag screws provided at a rate of two per crosspiece 34 or 38 and the axes of which have simply been indicated on Figure 1, an insulating sole interposed between the lierne 93 and each cross member 34, 38, and a plate interposed between the head of the lag bolts and the lierne 93, not in detail in the figures but known to a man of job.
  • the needles 7, 11 and the counter-needles 8, 12 are mounted on the crosspieces 38 by means of mounting means ensuring in themselves no bracing between them , namely mounting plates 42, 43 mutually independent of a cross member 38 to the other, as will emerge more clearly from the examination of FIG. 2 where the assembly of the needle 7 and the illustrated has been illustrated needle 8 on the crosspieces 38, in the whole of the central part 17, by the mounting plates 42, it being understood that the plates 43 for mounting the needle 11 and the counter-needle 12 on each crosspiece 38 are similar.
  • the plates 43 for mounting the needle 11 and / or the counter-needle 12 on a determined cross-member 38 are symmetrical with the plates 42 for mounting the needle 7 and / or the counter-needle 8 on the same cross-member 38 , relative to a plane including axis 4 of the track or tangent to this axis 4 if it is a track in curve, and perpendicular to the general direction, itself perpendicular to the axis 4, of the crosspiece 38 in question; such a plan and such a general direction have not been shown, but such symmetry is known to a person skilled in the art, with regard to the current track or other track devices.
  • FIG. 2 illustrates this mounting for the whole of the central part 17 of the apparatus 1, according to a preferred embodiment of the mounting plates 42, and one will easily deduce from this the mounting of the needle 11 and the counter-needle 12 on the same crosspieces, as well as a preferred embodiment of the mounting plates 43 .
  • 38a to 38k have been designated respectively the various successive crosspieces 38, in the central part 17 of the apparatus 1, in a direction going from section 3 towards section 2, that is to say from the counter-needle 8 towards the needle 7, parallel to the axis 4, and it can be seen that each of them carries either the counter-needle 8 alone, or the counter-needle 8 and the needle 7 in a mutually juxtaposed state, via a respective base plate 42a to 42k, independent of the base plates corresponding to the other crosspieces and partially constitutes a respective mounting plate 42.
  • the base plates 42a to 42k will subsequently be designated by the term "plates", the references 42 and 43 generally designating the mounting plates.
  • the various plates 42a to 42k are foundry pieces having large analogies between them, although they differ from each other essentially by certain dimensional characteristics, and each of them carries in a joined manner standardized, standardized parts, also mutually independent from one crosspiece to the other, chosen and positioned on each plate 42a to 42k to constitute a mounting plate 42 differentiated according to the position that the crosspiece 38 which carries it occupies in the device 1.
  • the plates 42b, 42c, 42j, 42k have a flat lower face 44b, 44c, 44j, 44k by which they lie flat, by means of a flat sole, glued on it, 45b, 45c, 45d, 45k, elastically compressible in compression and in shear, on a flat upper face 46b, 46c, 46d, 46k of the corresponding crosspiece 38b, 38c, 38d, 38k.
  • This lower face 44b, 44c, 44j, 44k has an approximately rectangular shape, when viewed in plan, defined by its connection with an edge 47b, 47c, 47j, 47k formed by four flat faces not referenced, perpendicular two by two as well as on the lower face 44b 44c, 44j, 44k to which the edge is connected downwards.
  • edge faces Two of these edge faces, corresponding to the longest sides of the rectangle, are oriented parallel to a mean plane 94b, 94c, 94j, 94k perpendicular to the axis 4 and constituting for the plate 42b, 42c, 42j, 42k as for the corresponding crosspiece 38b, 38c, 38j, 38k a plane of general symmetry if we except execution details which will be described later, while the other two faces, corresponding to the shorter sides of the rectangle in a view in plane, are perpendicular to this plane which they overlap.
  • This average plane of general symmetry 94b, 94c, 94j, 94k partially constitutes respectively one of the section planes III-III, IV-IV, V-V, VI-VI furthermore constituted respectively by planes parallel to this mean plane.
  • the edge 47b, 47c, 47j, 47k is connected to a flat upper face 48b, 48c, 48j, 48k, parallel to the lower face 44b, 44c, 44j, 44k and forming a peripheral rim all around the plate 42b, 42c, 42j, 42k in order to cooperate with means 49b, 49c, 49j, 49k ensuring an elastic setting of the plate 42b, 42c, 42j, 42k relative to the crosspiece 38b, 38c, 38j, 38k in any direction parallel to the upper face 46b, 46c, 46j, 46k thereof, and an elastic retaining of the plate 42b, 42c, 42j, 42k upwards, that is to say in the direction of a separation by relative to this upper face 46b, 46c, 46j, 46k.
  • each of the plates 42a and 42d to 42i is mounted on the flat upper face 46a, 46d to 46i of the corresponding corresponding cross member 38a, 38d to 38i, by respective wedging and elastic retaining means 49a, 49d to 49i , in a position in which it has in common with the respective crosspiece a mean plane of general symmetry 94a, 94d to 94j perpendicular to the axis 4.
  • edge 47b, 47c, 47j, 47k In the direction of a distance from edge 47b, 47c, 47j, 47k, the upper face 48b, 48c, 48j, 48k is connected to edge 50b, 50c, 50j, 50k of rectangular plan like edge 47b and the lower face 44b and having the same symmetries as the latter with respect to the above-mentioned mean plane of the plate and of the cross-member.
  • This edge 50b, 50c, 50d, 50k is defined by four non-referenced faces, perpendicular to the upper face 48b, 48c, 48d, 48k with respect to which it protrudes, at right angles, upwards.
  • the edge 50b, 50c, 50j, 50k connects itself upwards to an upper face 51b, 51c, 51j, 51k, the conformation of which constitutes the only difference from one base plate to the other.
  • this upper face 51b, 51c, 51j, 51k has a flat part 52b, 52c, 52j, 52k perpendicular to the mean plane 94b, 94c, 94j, 94k which it overlaps, and which progressively moves away from the underside 44b, 44c, 44d, 44k in a direction going from the inside 39 of the track to the outside 40 thereof, from the face of the edge 50b, 50c, 50d, 50k facing inward 39 of the way.
  • the flat part 52b, 52c, 52j, 52k is connected to this face towards the inside 39 of the track, and is connected itself, in a direction parallel to the axis 4, to the two faces of the edge 50b, 50c, 50j, 50k which are oriented parallel to the mean plane 94b, 94c, 94j, 94k.
  • the flat part 52k constitutes for this purpose the whole of the upper face 51k as shown in FIG. 6, and is therefore connected to the edge 50k also towards the outside 40 of the track , that is to say from all sides.
  • the second end 18 of the needle 7 is located between the plates 42b and 42c, in the immediate vicinity of the latter, the flat part 52b, 52c, 52j of the upper face 51b, 51c, 51j does not extend to the edge 50b, 50c, 50j towards the outside 40 of the track, but thus only extends up to a shoulder 53b, 53c, 53j perpendicular to the flat part 52b, 52c, 52j, turned towards the inside 39 of the track and which, connecting to the bottom to the flat part 52b, 52c, 52j, is connected upwards to another flat part 54b, 54c, 54j of the upper face 51b, 51c,
  • This other flat part 51b, 51c, 51j is turned upwards and parallel to the lower face 44b, 44c, 44j of the plate 42, 42c, 42j. and is connected to the edge 50b, 50c, 50j on the one hand towards the outside 40 of the track and on the other hand in a direction parallel to the axis 3.
  • the flat part 52c to 52k of the plate 42c to 42k serves as a flat support, downwards, on the shoe 56 of the needle 7, which is complete at the level of the plate 42k and will diminish , on the side of the core 57 of the needle 7 facing outwards 40 of the track, by the effect of the bevel 22, up to the second end 18 of the needle 7, that is to say say from stage 42j to stage 42c.
  • the mean plane 59 of this needle 7 or, in the case of curved mounting, an average surface 59 of this, parallel to the axis 4, is perpendicular to the flat part 52k to 52c of the plates 42k to 42c, occupies on all these plates the same position, defined by identical means 59k to 59c.
  • These means 59c to 59k comprise a respective stop 60c to 60k, produced in the form of a foundry piece identical from one plate to the other and retained on the corresponding plate respectively, in an integral manner.
  • a respective stop 60c to 60k produced in the form of a foundry piece identical from one plate to the other and retained on the corresponding plate respectively, in an integral manner.
  • plates 42c, 42g, 42k rivets 61c, 61j, 61k, oriented along respective axes perpendicular to the flat part. respectively corresponding 52c, 52j, 52k and having a respective head not referenced housed inside a recess 62c, 62j, 62k of the lower face 44c, 44j, 44k of the respective corresponding plate 42c, 42j, 42k.
  • the shape and design of the stop such as 60c, 60d, 60k are indifferent, as long as the latter is cantilevered above the flat part 52c, 52d, 52k of the corresponding plate 42c, 42j, 42k, towards the outside 40 of the track, a face 63c, 63j, 63k for supporting the core 57 of the needle 7 towards the inside 39 of the track.
  • This bearing face 63c, 63j, 63k is symmetrical with respect to the above-mentioned mean plane 94c, 94j, 94k of the respective corresponding plate 42c, 42j, 42k and can be plane, perpendicular to the plane part 52c, 52j, 52k of the platinum, or even have a slight outward convexity 40 of the track when it is seen in section through the mean plane 94c, 94j, 94k or by a plane parallel to it, so as to best fit the part corresponding to the core 57 of the needle 7.
  • the above-mentioned overhang of the stop 60c, 60d, 60k makes it possible to accommodate under the face 63c, 63d, 63k of support of the core 57 of the needle 7 the part of the shoe 56, complete, facing inward 39 of the track.
  • This part of the shoe 56 thus comes along, however without contact, another face 64c, 64d, 64k that the stop such as 60c, 60d, 60k presents towards the outside 40 of the track, with a flat conformation and a perpendicularity to both with respect to the plane of symmetry of the corresponding plate 42c, 42j, 42k and with respect to the flat part 52c, 52j, 52k thereof, inside the respective overhang.
  • the core 57 of the needle 7 has a respective through hole 67c, 67j, 67k and the holes thus mutually aligned, respectively of the core 57 of the needle 7 and stops such as 60c, 60j, 60k, receive coaxially a respective bolt 68c, 68j, 68k having a head on the side of the core 57 of the needle 7 facing outward 40 of the track, to bear on this core 57 inward 39 of the track, and receiving on the side of the stop 60c, 60d, 60k a nut and washer assembly respectively 69c, 69d, 69k, bearing on the respective stop 60c, 60d, 60k towards the outside 40 of the track to ensure mutual joining with support of the core 57 against the bearing face 63c, 63j, 63k.
  • the bolts 68c, 68k, as well as the similar bolts equipping the respective stops 60d to 60i of the plates 42d to 42i are hammer head bolts, bearing directly on the core 57 of the needle 7, while the bolt 68j is a square head bolt, bearing on the core 57 of the needle 7 by means of a stop 70 for guiding the counter-needle 8 in sliding, keeping the needle 8 spaced from the counter-needle 7 at right of the plate 42j, under the conditions for guiding the counter-needle 8 which will be described later.
  • each stop such as 60c, 60j, 60k present, in mutually symmetrical positions with respect to the mean plane 94c, 94j, 94k of the plate 42c, 42j, 42k, respective means, known in themselves and not detailed, of receiving a toad 71c, 72j, 71k taking support towards the bottom on the one hand on the pad area 56 adjoining the face 64c, 64d, 64k and on the other hand on an area of the stop 60c, 60d, 60k adjacent to this face 64c, 64d, 64k, and a set of application of this toad 71c, 71j, 71k down against the shoe 56 and the corresponding zone of the stop 60c, 60j, 60k, along an axis 72c, 72j, 72k perpendicular to the flat part 52c, 52j , 52k
  • the shoe 56 of the needle 7 is pressed in the same way on the flat part 52d to 52i, corresponding to the flat parts 52c, 52j, 52k, of the plates 42d to 42i.
  • each rigid assembly formed by one of the plates 42c to 42k and the corresponding corresponding stop such as 60c, 60j, 60k is secured to the needle 7 independently of similar assemblies corresponding to the other crosspieces.
  • the stops such as 60b are fixed in an integral manner , for example by riveting as shown schematically in 61b, on the corresponding plate such as 42b in a position further from the axis 4 of the track than the stops 60c to 60k, and the core 76 of the counter-needle 8 can bear directly, towards the inside 39 of the track, on the face such as 63b, corresponding to the faces 63c, 63j, 63k, stops such as 60b of the plates 42a and 42b, with the possibility of sliding parallel to the axis 4 in relation to these.
  • stops 60a to 60k could be produced in a single piece with the corresponding corresponding plate, but that a production in form joined together makes it possible to make them standardized parts, easy to manufacture and to store, that the 'can be fixed by simple means on the respective corresponding plate.
  • these means comprise, mounted integrally on each of the plates 42a to 42j respectively, outside 40 of the track, a respective sliding support 75a to 75j, identical from one plate to the other, as is illustrated in more detail in Figures 3 to 5 about the sliding supports 75b, 75c, 75j.
  • the sliding supports 75a and 75b are intended to force the counter-needle 8 to respect with respect to the counter-needle 12 the same spacing as the needles 7 and 11 between them, or the rails 5 and 9 between them, or the rails 6 and 10 between them, at the plates 42a and 42b where the guide line 55 of the needle 8 extends the guide line 58 of the counter-needle 7, and the sliding supports 75c to 75j are intended to force the counter needle 8 to be curved as previously indicated at the plates 42c to 42k, while remaining applied against the bevel 22 of the needle 7, from the second end 18 of the latter to the level of the platen 42i, and against the abovementioned stop 70 at the level of platen 42j, with a functional play of sliding close, by preventing the two counter-needles 8, 12 from moving apart mutually when the convoys pass.
  • the second end 20 of the counter-needle 8, like the second end 21 of the counter-needle 12 remains free in this respect.
  • each sliding support such as 75b, 75c, 75j has opposite the face 63b, 63c, 63j of the corresponding stop respectively 60b, 60c, 60j, that is to say inward 39 of the track, a face 78b, 78c, 78j planar and perpendicular to the planar part 52b, 52c, 52j or preferably, as illustrated, convex towards the interior 39 of the track when viewed in section through the plan respective means 94b, 94c, 94j or by any plane parallel thereto, to match the core 76 of the counter-needle 8 and offer it support towards the outside 40 of the track, with the possibility of relative sliding parallel to the axis 4 with regard to the sliding support 75b and the analogous sliding support 75a of the plate 42a, and respecting the aforementioned curvature and the abovementioned support against the bevel of the needle 7 with regard to the support 75c sliding support, 75j sliding support, and corresponding sliding supports 75d to 7 5i carried integrally by
  • each sliding support such as 75b, 75c, 75j has its face 78b, 78c, 78j of support for the core 76 cantilevered towards the inside 39 of the track, relative to a flat lower face 79b, 79c, 79j for supporting the sliding support 75b, 75c, 75j flat on the flat part 52b, 52c, 52j for the plate 42b, 42c, 42j, between the counter-needle 8 and l 'shoulder 53b, 53c, 53j of the plate.
  • Each sliding support 75b, 75c, 75j is also supported flat, outward 40 of the track, on this shoulder 53b, 53c, 53j by a respective flat face 80b, 80c, 80j, perpendicular to its underside 79b, 79c, 79j, thus having the same obliquity, with respect to the mean plane 94b, 94c, 94jof the plate 42b, 42c, 42j, as the shoulder 53b, 53c, 53j thereof; similarly, the sliding supports 75a and 75d to 75i bear flat on the one hand towards the outside 40 of the track, against the shoulder 53a, 53d to 53i, of the corresponding corresponding plate, and on the other part, downwards, on the respective flat part 52a, 52d to 52i.
  • each sliding support such as 75b, 75c, 75j is retained in an integral manner on the plate 42b, 42c, 42j in a position in which it is applied flat by its faces 79b and 80b, 79c and 80c, 79j and 80j, respectively against the flat part 52b and the shoulder 53b, the plate 52c and the shoulder 53c, the flat part 52j and the shoulder 53j, by means allowing easy disassembly, if necessary.
  • the overhang formed by the faces 78b, 78c, 78j defines around the area of the partial shoe 77 of the counter-needle 8 furthest from the axis 4 of the track a flat face 83b, 83c, 83d parallel to the face 80b, 80c, 80j, facing inward 39 of the track and connecting perpendicularly, downward, to the underside 79b, 79c, 79j, and an approximately planar face 84b, 84c, 84j turned downwards, facing the flat part 52b, 52c, 52j of the plate 42b, 42c, 42j and to which the face 83b, 83c, 83j is connected upwards, so as to wrap this part of the pad 77 without contact with the latter when it lies flat on the flat part 52b, 52c, 52j of the plate 42b, 42c, 42j and even when its core 76 is pressed against the face 78b, 78c, 78j in the direction of a distance from axis
  • each sliding support 75b, 75c, 75j is ensured. by bolting.
  • each of the plates 42a to 42k in particular plates 42b, 42c, 42j, 42k, present in the region of its flat part such as 52b, 52c, 52j, 52k the furthest from the axis 4 of the track, that is to say directly adjacent to the shoulder 53b, 53c, 53j with regard to all the plates except the plate 42k or on the face of the edge 50k facing outwards 40 of the track with regard to the plate 42k, two rectilinear lights 85b, 85c, 85j, 85k mutually parallel, mutually symmetrical with respect to the mean plane 94b, 94c, 94j, 94k of the plate 42b, 42c, 42j, 42k, each of these lights opening on the one hand into the plane part 52b, 52c, 52j, 52k, upwards, and secondly, downwards, in
  • each sliding support 75b, 75c, 75j has, in two zones corresponding respectively to one and the other of the slots 75b, 75c, 75j, a respective through hole 87b, 87c, 87j of respective axis 88b, 88c, 88j perpendicular to the underside 79b, 79c, 79j of the sliding support 75b, 75c, 75j and opening on the one hand downward in this underside, and on the other hand upward in a unreferenced face of indifferent shape except that it has, on the side of the hole 87b, 87c, 87j situated towards the inside 39 of the track, a planar facet 89b, 89c, 89j, parallel to the lower face 79b , 79c, 79j but turned upwards.
  • the sliding support 75b, 75c, 75j houses a toad 90b, 90c, 90j of known type, bearing flat, down, on the one hand on the respective upper facet 89b, 89c, 89j of the sliding support 75b, 75c, 75j and on the other hand, inside the hole 87b, 87c, 87j, on the flat part 52b, 52c, 52j of the plate 42b, 42c, 42j, respectively on either side of the respective lumen 85b, 85c, 85j, and having at this support a tail penetrating into this lumen 85b, 85c, 85j in order to prevent relative rotation about the respective axis 88b, 88c, 88d.
  • This toad 90b, 90c, 90j is retained by means of an assembly comprising a respective bolt 91b, 91c, 91j, having a T-head in abutment against the plate 42b, 42c, 42j, upwards, inside the cavity 86b, 86c, 86j, and a rod arranged along the respective axis 88b, 88c, 88j, along which it passes through the toad between its supports respectively on the face 89b, 89c, 89j and on the platinum part 52b, 52c, 52j of the plate 42b, 42c, 42j, and carrying above the toad a nut-washer assembly 92b, 92c, 92j urging the toad 90b, 90c, 90j in the direction of approach towards the plate 42b, 42c, 42j, which applies to the toad a lever effect resulting in a pinching of the sliding support 75b, 75c, 75j, by each facet 89b, 89c,
  • this assembly in addition to the fact that it makes it possible to use sliding supports 75a to 75j which are identical for all the plates, with the exception of the plate 42k which is devoid of them, also makes it possible to dismantle easily, if necessary these sliding supports and to release the counter-needle 8 and change it.
  • the disassembly of the counter-needle 8 itself allows the needle 7 to be released, with a view to possible replacement.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Railway Tracks (AREA)
  • Stringed Musical Instruments (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Adornments (AREA)
  • Braking Arrangements (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
EP95402356A 1994-10-24 1995-10-23 Ausdehnungsvorrichtung für Eisenbahngleis; Montageplatine für eine Backenschiene oder für eine Zunge mit zugehöriger Backenschiene auf einer Schwelle Expired - Lifetime EP0709523B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9412672A FR2726015B1 (fr) 1994-10-24 1994-10-24 Appareil de dilatation pour voie ferree; platine de montage d'un contre-aiguille, ou d'une aiguille et d'un contre-aiguille associe, sur une traverse pour la realisation d'un tel appareil
FR9412672 1994-10-24

Publications (2)

Publication Number Publication Date
EP0709523A1 true EP0709523A1 (de) 1996-05-01
EP0709523B1 EP0709523B1 (de) 2000-01-26

Family

ID=9468131

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95402356A Expired - Lifetime EP0709523B1 (de) 1994-10-24 1995-10-23 Ausdehnungsvorrichtung für Eisenbahngleis; Montageplatine für eine Backenschiene oder für eine Zunge mit zugehöriger Backenschiene auf einer Schwelle

Country Status (4)

Country Link
EP (1) EP0709523B1 (de)
AT (1) ATE189281T1 (de)
DE (1) DE69514756D1 (de)
FR (1) FR2726015B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0727522A1 (de) * 1995-02-17 1996-08-21 BWG Butzbacher Weichenbau GmbH Weiche
WO2017125689A1 (fr) * 2016-01-22 2017-07-27 Vossloh Cogifer (Société Anonyme) Appareil de voie

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110512476B (zh) * 2019-09-05 2021-06-04 北京建工土木工程有限公司 一种双连拱富水隧道中软基双线轨道铺设方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1534052A1 (de) * 1966-05-14 1969-06-19 Krug & Co Heinrich Schienenauszug fuer den Eisenbahn-Oberbau
EP0554238A1 (de) * 1992-01-29 1993-08-04 VAE Aktiengesellschaft Anordnung zum Verbinden von Schienen
WO1994010383A1 (en) * 1992-10-28 1994-05-11 Stretto Di Messina S.P.A. Sliding joint system for railway tracks, allowing a wide longitudinal excursion, particularly for suspension bridges

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1534052A1 (de) * 1966-05-14 1969-06-19 Krug & Co Heinrich Schienenauszug fuer den Eisenbahn-Oberbau
EP0554238A1 (de) * 1992-01-29 1993-08-04 VAE Aktiengesellschaft Anordnung zum Verbinden von Schienen
WO1994010383A1 (en) * 1992-10-28 1994-05-11 Stretto Di Messina S.P.A. Sliding joint system for railway tracks, allowing a wide longitudinal excursion, particularly for suspension bridges

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0727522A1 (de) * 1995-02-17 1996-08-21 BWG Butzbacher Weichenbau GmbH Weiche
WO2017125689A1 (fr) * 2016-01-22 2017-07-27 Vossloh Cogifer (Société Anonyme) Appareil de voie
FR3047015A1 (fr) * 2016-01-22 2017-07-28 Vossloh Cogifer Mecanisme de gestion au niveau de rail de voie d'un ecartement d'elements de structure d'un ouvrage d'art
EA036544B1 (ru) * 2016-01-22 2020-11-20 Воссло Кожифер (Сосьетэ Аноним) Система для усиления ходового рельса

Also Published As

Publication number Publication date
FR2726015A1 (fr) 1996-04-26
DE69514756D1 (de) 2000-03-02
FR2726015B1 (fr) 1997-01-17
EP0709523B1 (de) 2000-01-26
ATE189281T1 (de) 2000-02-15

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