EP1741830A1 - Frog with movable point for railway - Google Patents
Frog with movable point for railway Download PDFInfo
- Publication number
- EP1741830A1 EP1741830A1 EP20060291066 EP06291066A EP1741830A1 EP 1741830 A1 EP1741830 A1 EP 1741830A1 EP 20060291066 EP20060291066 EP 20060291066 EP 06291066 A EP06291066 A EP 06291066A EP 1741830 A1 EP1741830 A1 EP 1741830A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heel
- elements
- tip
- cradle
- heart according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 125000006850 spacer group Chemical group 0.000 claims abstract description 34
- 239000011324 bead Substances 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 229910001018 Cast iron Inorganic materials 0.000 claims description 3
- 238000003754 machining Methods 0.000 claims description 3
- 230000000284 resting effect Effects 0.000 claims description 2
- 238000000605 extraction Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 241000422252 Cales Species 0.000 description 1
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B7/00—Switches; Crossings
- E01B7/10—Frogs
- E01B7/14—Frogs with movable parts
Definitions
- the design of the known crossing centers does not allow disassembly and replacement in track (on site) of the moving tip, when the latter is worn or damaged.
- the crossover hearts described in the patent FR 2 788 535 include spacers formed integrally with the heel elements.
- the extraction of the movable tip of the bolting chamber can be performed for such crossing hearts only in the main direction of the path, that is to say axially.
- This extraction requires prior dismantling of the embedding part, solidarily with the moving tip, the extraction of the moving tip being then carried out in the workshop, and not on site, which requires the removal of the worn or damaged core and its replacement by a spare part of the same type.
- Such a maintenance operation represents not only a very high cost, but also a very long period of neutralization of the track.
- the object of the invention is to solve this drawback, and to make possible such a maintenance operation on site, in order to very substantially reduce the duration and the cost of the maintenance operation.
- the subject of the invention is a crossover core of the above type, in which the spacer pieces are removably attached to the heel elements by the said removable fixing means, so that the dismounting vertical of the tip relative to the entire cradle is possible.
- FIG 1 there is shown schematically a crossover heart 1 according to the invention, placed on the track in use situation.
- crossing heart will be assumed in its horizontal position of use, and all terms of direction and position will be understood in this orientation.
- the terms “horizontal” and “vertical” may qualify certain parts of the crossing heart, will agree according to a position of horizontal use of the crossing heart.
- the crossing heart 1 essentially comprises a set of cradle 3 fixed to the sleepers, and a movable tip 5 mounted in the cradle assembly 3.
- the cradle assembly 3 consists essentially of a tip cradle 11, a recess portion 12, and an intermediate portion 13 connecting the recess portion 12 to the tip cradle 11.
- the cradle 11 has two regions 21, 22, arranged symmetrically on either side of the axial vertical plane.
- These regions 21, 22 have, in cross section, respective symmetrical shapes with respect to the axial vertical plane of the cradle 11, and have a rail profile.
- Two rail coupons 21A, 22A are respectively welded to the regions 21, 22 of the tip end of the cradle 11, each of these coupons having a rail profile identical to that of the corresponding end region 21, 22.
- the cradle 11 has, at its end of heel, two regions 23, 24 arranged symmetrically on either side of the axial vertical plane, these regions 23, 24 having in cross section respective shapes symmetrical with respect to this plane.
- the intermediate portion 13 comprises two intermediate elements 33, 34 each having a rolled rail profile or molded elements whose ends are identical to those of the corresponding region 23, 24.
- the recess portion 12 correspondingly comprises two bead elements 35, 36, the profile ends of which correspond to those of the intermediate elements 33, 34, and respectively extending the latter.
- the cradle assembly 3 further comprises, generally in several assembled parts, a bottom wall extending horizontally between the profiles defined by the end regions 21, 22, 23, 24, the intermediate elements 33, 34 , and the heel members 35, 36.
- the movable tip 5 comprises a tapered free end region 41 (or tip end), having a profile provided to provide guiding surface continuity, selectively with one or other of the tip regions 21, 22 of the cradle 11, depending on the position of the tip end 41.
- the movable tip 5 comprises two rails 43, 44 of special thick-core profile 46, having a mushroom 47 and a reinforced pad 48. These rails 43, 44 are extend to converge towards the tip end 41, the latter consisting of the end of one of the two rails.
- the movable tip 5 has an embedding section 49 which is fixed in the cradle assembly 3 by means which will be described hereinafter.
- FIGS 2 and 3 there is illustrated a first embodiment of the invention, wherein the recess portion 12 consists of a monoblock cradle.
- this monobloc cradle 12 is made by molding steel or special cast iron, the heel elements 35, 36 are assembled to the respective intermediate elements 33, 34, by welding or by means of glued joints.
- the cradle assembly 3 is attached to crosspieces 50, by means of fixing devices all designated by the general reference 51, but which may be of a different type for each of the elements of the cradle 3.
- cradle assembly 3 namely the cradle 11, the recess portion 12, and the intermediate portion 13.
- the one-piece cradle 12 forming the embedding portion has a bearing plate 55 forming a bottom wall on which the pads 48 of the two rails 43, 44 forming the movable point rest.
- the support plate 55 is extended laterally, externally relative to the elements of heel 35, 36, by external flanges 57 allowing the fixing on the crosspieces 50 of the cradle 12, by means of the fixing devices 51.
- the two rails 43, 44 are wedged to each other by a spacer 60 which marries their internal parts in profile, building on them.
- the crossover core 1 comprises removable fastening and locking means 61.
- spacer pieces 63 These comprise spacer pieces 63, four in number in the example shown in Figure 2, arranged in pairs facing each side of the movable tip.
- Each spacer piece 63 has a generally parallelepipedal shape elongated axially.
- the two spacer pieces 63 of the same pair are substantially symmetrical with respect to the vertical axial plane, and each ensure the wedging of one of the two rails 43, 44 on the corresponding heel element 35, 36.
- Each spacer piece 63 is supported, by an external lateral face, on an internal face of the corresponding heel element 35, 36, and by an internal lateral face, on an outer side of the core 46 of the rail 43. , 44 corresponding.
- the spacers 63 have a shape adapted to cooperate by shape complementarity, over the entire axial length of the spacer, with a portion of the outer profile of the respective rail 43, 44, this portion comprising the upper surface of the pad 48, the outer surface from the core 46 to the transition surface between the core 46 and the mushroom 47.
- the bead elements 35, 36, the webs 46 of the rails 43, 44, the spacer 60, and the spacer pieces 63, are pierced coaxially by transverse bores 69, for example four in number per spacer. These bores 69 are axially offset with respect to each other in the example shown; they are represented by broken lines in Figure 2.
- Fixing and securing means 61 comprise, for each bore 69, a clamping bolt 70.
- the bolt 70 comprises a screw 71, whose head 72 bears on an outer face of a heel member 36, via washers 73, and whose threaded rod 75 extends coaxially through the bore 69.
- the bolt 70 further comprises a nut 77, clamped on the threaded end of the threaded rod 75, and bearing on an outer face of the other element of heel 35, by means of washers 79. The tightening of the nut 77 on the screw 71 is secured by means of a locking nut 80.
- the securing and wedging means 61 further comprise a bushing assembly arranged coaxially between the threaded rod 75 and the inner face of the bore 69.
- This bushing assembly comprises a central cylindrical sleeve 81 housed in the bore of the spacer 60, and two pins 83 (preferably Mecanindus® type). These pins 83 are each engaged in a bore section 69 formed in a heel member 35, 36, a spacer piece 61, and a rail core 46, on either side of the central sleeve 81.
- Each bolt 70 defines with the socket assembly 81, 83 a removable assembly member which is, in use, clamped on the two bead elements 35, 36, transversely wedging, without the possibility of substantial transverse play, the movable tip 5 between the bead elements 35, 36 through the spacer pieces 63.
- the fastening and wedging means 61 comprise, in the example shown, and although this is optional, safety shims 89 associated with each spacer piece 63.
- Each shim 89 is removably fixed, here by means of screw 90 on a respective heel member 35, 36, in an upper portion thereof.
- the shim 89 projects inwardly from the cradle 12 and is supported, by a lower face, on an upper face of the corresponding spacer piece 63.
- the shims 89 are provided to limit the vertical movement of the spacer pieces 63 in the life situation of the crossing core, so as to reduce the vertical movements of the tip 5 in case of loosening of one or more bolts 70.
- the movable tip 5 can be extracted vertically (in the direction Z indicated in FIG. 3) from its nesting position, after removal of the fastening and wedging means 61.
- the reassembly of the mobile tip is performed in a reverse manner, it is not necessary to specify.
- the second embodiment of the invention which has been illustrated in Figures 4 and 5 differs from the first mode previously described only in that the embedding portion 12 is not defined by a monoblock cradle.
- the support plate 155 is a separate part of the two bead elements 35, 36, which are obtained by machining the respective intermediate elements 33, 34.
- the support plate 155 is made in a material different from that of the heel elements 35, 36, and fixed independently of these on the support.
- spacer pieces 63 and the fastening and wedging means 61 of the movable tip in the recess portion 12 are in all respects analogous or identical to those described in the first embodiment. They will not be described again.
- the cradle 11 is obtained from foundry and cast in alloy steel, in particular manganese super-quenched steel, possibly pre-cured. It is machined on all rolling, contact, sliding or connecting surfaces.
- the two rail coupons 21A, 22A which are part of the crossing core, are profiles of carbon-laminated or low-alloyed steel rails, and are connected to the cradle 11 by welding, possibly via inserts.
- the intermediate elements 33, 34 are preferably made of rail or carbon-cast or low-alloy steel, having a mechanical strength close to that of the rails, and allowing their welding to the cradle 11, possibly via an insert.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Bearings For Parts Moving Linearly (AREA)
- Railway Tracks (AREA)
- Prostheses (AREA)
- Connection Of Plates (AREA)
- Eyeglasses (AREA)
- Leg Units, Guards, And Driving Tracks Of Cranes (AREA)
- Drawers Of Furniture (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Road Paving Structures (AREA)
Abstract
Description
La présente invention concerne un coeur de croisement à pointe mobile pour voie ferrée, comprenant :
- un ensemble de berceau comportant une partie d'encastrement pour pointe mobile, qui possède deux éléments de talon espacés l'un de l'autre,
- une pointe mobile montée dans l'ensemble de berceau en étant encastrée dans la partie d'encastrement,
- des pièces d'entretoise interposées entre les éléments de talon et la pointe mobile, et
- des moyens de fixation démontable de la pointe mobile dans la partie d'encastrement.
- a cradle assembly having a movable tip embedding portion, which has two heel members spaced from one another,
- a movable tip mounted in the cradle assembly being recessed in the recess portion,
- spacer pieces interposed between the heel members and the movable tip, and
- removable fastening means of the movable tip in the recess portion.
Généralement, la conception des coeurs de croisement connus ne permet pas le démontage et le remplacement en voie (sur site) de la pointe mobile, lorsque cette dernière est usée ou endommagée.Generally, the design of the known crossing centers does not allow disassembly and replacement in track (on site) of the moving tip, when the latter is worn or damaged.
Par exemple, les coeurs de croisement décrits dans le brevet
Une telle opération de maintenance représente non seulement un coût très élevé, mais également une très longue durée de neutralisation de la voie.Such a maintenance operation represents not only a very high cost, but also a very long period of neutralization of the track.
L'invention a pour but de résoudre cet inconvénient, et de rendre possible une telle opération de maintenance sur site, afin de réduire très sensiblement la durée et le coût de l'opération de maintenance.The object of the invention is to solve this drawback, and to make possible such a maintenance operation on site, in order to very substantially reduce the duration and the cost of the maintenance operation.
A cet effet, l'invention a pour objet un coeur de croisement du type ci-dessus, dans lequel les pièces d'entretoise sont fixées de façon démontable sur les éléments de talon par lesdits moyens de fixation démontable, de telle sorte que le démontage vertical de la pointe par rapport à l'ensemble de berceau est possible.For this purpose, the subject of the invention is a crossover core of the above type, in which the spacer pieces are removably attached to the heel elements by the said removable fixing means, so that the dismounting vertical of the tip relative to the entire cradle is possible.
Suivant des caractéristiques optionnelles de l'invention :
- les moyens de fixation démontable comprennent des organes d'assemblage possédant chacun une tige filetée transversale, serrée sur les deux éléments de talon, et traversant, dans une section transversale, les éléments de talon, les entretoises, et la pointe mobile ;
- les organes d'assemblage possèdent chacun un ensemble de douille, dans lequel est montée la tige filetée, l'ensemble de douille traversant au moins partiellement, dans une section transversale, les éléments de talon, les entretoises, et la pointe mobile ;
- le coeur de croisement comprend, pour chaque pièce d'entretoise, au moins une cale de sécurité fixée de façon démontable sur un élément de talon, par exemple par vissage, en appui sur une face supérieure de la pièce d'entretoise, de sorte à limiter le débattement vertical de la pointe ;
- l'ensemble de berceau comporte
- un berceau du côté de l'extrémité de pointe,
- la partie d'encastrement du côté de l'extrémité de talon, et
- deux éléments intermédiaires reliant le berceau respectivement aux deux éléments de talon ; et
- la partie d'encastrement possède une plaque d'appui s'étendant entre les deux éléments de talon, et supportant la pointe mobile.
- the removable fixing means comprise assembly members each having a transverse threaded rod, clamped on the two bead elements, and passing through, in a cross section, the bead elements, the spacers, and the movable tip;
- the connecting members each have a bushing assembly, in which the threaded rod is mounted, the bushing assembly at least partially traversing, in a cross section, the bead elements, the spacers, and the movable tip;
- the crossover core comprises, for each spacer piece, at least one safety wedge removably attached to a heel element, for example by screwing, resting on an upper face of the spacer piece, so as to limit the vertical deflection of the tip;
- the cradle set comprises
- a cradle on the side of the tip end,
- the embedding portion on the side of the heel end, and
- two intermediate elements connecting the cradle respectively to the two heel elements; and
- the recess portion has a backing plate extending between the two bead members, and supporting the movable tip.
Selon un premier mode de réalisation de l'invention :
- la plaque d'appui est réalisée d'une pièce avec les deux éléments de talon ;
- la partie d'encastrement est constituée d'une pièce de talon monobloc, notamment moulée en acier ou en fonte spéciale ; et
- la pièce de talon est assemblée sur les deux éléments intermédiaires par soudage ou au moyen de joints collés.
- the support plate is made in one piece with the two heel elements;
- the recess portion is constituted by a one-piece heel piece, in particular molded steel or special cast iron; and
- the heel piece is assembled on the two intermediate elements by welding or by means of glued joints.
Suivant un deuxième mode de réalisation de l'invention :
- la plaque d'appui est une pièce distincte des deux éléments de talon ; et
- les deux éléments de talon sont obtenus par usinage des deux éléments intermédiaires.
- the backing plate is a separate part of the two heel elements; and
- the two bead elements are obtained by machining the two intermediate elements.
Des modes de réalisation de l'invention vont maintenant être décrits plus en détail en référence aux dessins annexés, sur lesquels :
- la Figure 1 est une vue schématique de dessus d'un coeur de croisement selon l'invention, placé en voie ;
- la Figure 2 est une vue partielle de dessus d'un coeur de croisement conforme à un premier mode de réalisation de l'invention ;
- la Figure 3 est une vue en coupe, à plus grande échelle, dans le plan 3-3, du coeur de croisement de la Figure 2 ;
- la Figure 4 est une vue analogue à la Figure 2, d'un coeur de croisement conforme à un deuxième mode de réalisation de l'invention; et
- la Figure 5 est une vue en coupe, à plus grande échelle, dans le plan 5-5, du coeur de croisement de la Figure 4.
- Figure 1 is a schematic top view of a crossing heart according to the invention, placed in the track;
- Figure 2 is a partial view from above of a crossing heart according to a first embodiment of the invention;
- Figure 3 is a sectional view, on a larger scale, in the plane 3-3, of the crossing heart of Figure 2;
- Figure 4 is a view similar to Figure 2, a crossing heart according to a second embodiment of the invention; and
- Figure 5 is a sectional view, on a larger scale, in the plane 5-5, of the crossing heart of Figure 4.
Sur la Figure 1, on a représenté schématiquement un coeur de croisement 1 conforme à l'invention, placé en voie en situation d'utilisation.In Figure 1, there is shown schematically a crossover heart 1 according to the invention, placed on the track in use situation.
Dans toute la description qui va suivre, le coeur de croisement sera supposé dans sa position d'utilisation horizontale, et tous les termes de direction et de position seront compris selon cette orientation.Throughout the following description, the crossing heart will be assumed in its horizontal position of use, and all terms of direction and position will be understood in this orientation.
En particulier, les termes « horizontal » et « vertical » pouvant qualifier certaines parties du coeur de croisement, s'entendront selon une position d'utilisation horizontale du coeur de croisement.In particular, the terms "horizontal" and "vertical" may qualify certain parts of the crossing heart, will agree according to a position of horizontal use of the crossing heart.
D'autre part, les termes « axial » et « transversal » s'entendront par rapport à la direction générale de la voie.On the other hand, the terms "axial" and "transverse" will be understood in relation to the general direction of the track.
En référence à la vue schématique de la Figure 1, le coeur de croisement 1 comprend essentiellement un ensemble de berceau 3 fixé aux traverses, et une pointe mobile 5 montée dans l'ensemble de berceau 3.With reference to the schematic view of FIG. 1, the crossing heart 1 essentially comprises a set of
L'ensemble de berceau 3 est constitué essentiellement d'un berceau de pointe 11, d'une partie d'encastrement 12, et d'une partie intermédiaire 13 reliant la partie d'encastrement 12 au berceau de pointe 11.The
A une extrémité de pointe, le berceau 11 présente deux régions 21, 22, disposées symétriquement de part et d'autre du plan vertical axial.At a tip end, the
Ces régions 21, 22 ont, en section transversale, des formes respectives symétriques par rapport au plan vertical axial du berceau 11, et présentent un profil de rail.These
Deux coupons de rail 21A, 22A sont soudés respectivement aux régions 21, 22 de l'extrémité de pointe du berceau 11, chacun de ces coupons présentant un profil de rail identique à celui de la région d'extrémité correspondante 21, 22.Two
De la même façon, le berceau 11 présente, à son extrémité de talon, deux régions 23, 24 disposées symétriquement de part et d'autre du plan vertical axial, ces régions 23, 24 ayant en section transversale des formes respectives symétriques par rapport à ce plan.In the same way, the
La partie intermédiaire 13 comporte deux éléments intermédiaires 33, 34 présentant chacun un profil laminé de rail ou des éléments moulés dont les extrémités sont identiques à celles de la région correspondante 23, 24.The
La partie d'encastrement 12 comprend de façon correspondante deux éléments de talon 35, 36, dont les extrémités de profil correspondent à celles des éléments intermédiaires 33, 34, et prolongeant respectivement ces derniers.The
L'ensemble de berceau 3 comprend d'autre part, généralement en plusieurs parties assemblées, une paroi de fond s'étendant horizontalement entre les profils définis par les régions d'extrémité 21, 22, 23, 24, les éléments intermédiaires 33, 34, et les éléments de talon 35, 36. La pointe mobile 5, lorsqu'elle est montée dans l'ensemble de berceau 3, repose sur cette paroi de fond.The
La pointe mobile 5 comprend une région d'extrémité libre 41 (ou extrémité de pointe) effilée, ayant un profil prévu pour assurer une continuité de surface de guidage, sélectivement avec l'une ou l'autre des régions de pointe 21, 22 du berceau 11, selon la position de l'extrémité de pointe 41.The
Comme cela sera mieux vu en se référant également aux Figures 3 et 5, la pointe mobile 5 comporte deux rails 43, 44 de profil spécial à âme épaisse 46, ayant un champignon 47 et un patin renforcé 48. Ces rails 43, 44 s'étendent de façon à converger vers l'extrémité de pointe 41, cette dernière étant constituée de l'extrémité de l'un des deux rails.As will be better seen with reference also to FIGS. 3 and 5, the
La pointe mobile 5 a une section d'encastrement 49 qui est fixée dans l'ensemble de berceau 3, par des moyens qui vont être décrits ci-après.The
Sur les Figures 2 et 3, on a illustré un premier mode de réalisation de l'invention, dans lequel la partie d'encastrement 12 est constituée d'un berceau monobloc. Par exemple, ce berceau monobloc 12 est réalisé par moulage en acier ou en fonte spéciale, dont les éléments de talon 35, 36 sont assemblés aux éléments intermédiaires respectifs 33, 34, par soudage ou au moyen de joints collés.In Figures 2 and 3, there is illustrated a first embodiment of the invention, wherein the
Comme représenté sur la Figure 2, l'ensemble de berceau 3 est fixé à des traverses 50, au moyen de dispositifs de fixation tous désignés par la référence générale 51, mais qui peuvent être d'un type différent pour chacun des éléments de l'ensemble de berceau 3, à savoir le berceau 11, la partie d'encastrement 12, et la partie intermédiaire 13. Ces dispositifs de fixation ne font pas l'objet de l'invention, et ne sont donc pas décrits plus en détail.As shown in FIG. 2, the
Comme cela est visible sur la Figure 3, le berceau monobloc 12 formant partie d'encastrement possède une plaque d'appui 55 formant paroi de fond, sur laquelle reposent les patins 48 des deux rails 43, 44 formant la pointe mobile.As can be seen in FIG. 3, the one-
La plaque d'appui 55, formée d'une pièce avec les éléments de talon 35, 36, définit avec eux une section transversale du berceau 12 généralement en U. La plaque d'appui 55 est prolongée latéralement, extérieurement par rapport aux éléments de talon 35, 36, par des rebords extérieurs 57 permettant la fixation sur les traverses 50 du berceau 12, au moyen des dispositifs de fixation 51.The
Les deux rails 43, 44 sont calés entre eux par une entretoise 60 qui épouse leurs parties internes de profil, en prenant appui sur ces dernières.The two
Pour assurer la fixation et le calage de la pointe mobile 5 au niveau de sa section 49 dans le berceau 12 (ou partie d'encastrement), le coeur de croisement 1 comporte des moyens de fixation et de calage démontables 61.To ensure the attachment and wedging of the
Ces derniers comprennent des pièces d'entretoise 63, au nombre de quatre dans l'exemple représenté sur la Figure 2, disposées par paires en vis-à-vis de chaque côté de la pointe mobile.These comprise
Chaque pièce d'entretoise 63 a une forme généralement parallélépipédique allongée axialement. Les deux pièces d'entretoise 63 d'une même paire sont sensiblement symétriques par rapport au plan axial vertical, et assurent chacune le calage de l'un des deux rails 43, 44 sur l'élément de talon correspondant 35, 36.Each
Chaque pièce d'entretoise 63 est en appui, par une face latérale extérieure, sur une face interne de l'élément de talon correspondant 35, 36, et par une face latérale interne, sur un flanc externe de l'âme 46 du rail 43, 44 correspondant.Each
Les entretoises 63 ont une forme adaptée pour coopérer par complémentarité de forme, sur toute la longueur axiale de l'entretoise, avec une partie du profil externe du rail respectif 43, 44, cette partie comprenant la surface supérieure du patin 48, la surface externe de l'âme 46, jusqu'à la surface de transition entre l'âme 46 et le champignon 47.The
Les éléments de talon 35, 36, les âmes 46 des rails 43, 44, l'entretoise 60, et les pièces d'entretoise 63, sont percées coaxialement par des alésages transversaux 69, par exemple au nombre de quatre par entretoise. Ces alésages 69 sont décalés axialement les uns par rapport aux autres dans l'exemple représenté ; ils sont représentés par des traits mixtes sur la Figure 2.The
Les moyens de fixation et de calage 61 comprennent, pour chaque alésage 69, un boulon de serrage 70.Fixing and securing means 61 comprise, for each bore 69, a clamping
Le boulon 70 comprend une vis 71, dont la tête 72 prend appui sur une face externe d'un élément de talon 36, par l'intermédiaire de rondelles 73, et dont la tige filetée 75 s'étend coaxialement au travers de l'alésage 69. Le boulon 70 comprend d'autre part un écrou 77, serré sur l'extrémité filetée de la tige filetée 75, et en appui sur une face externe de l'autre élément de talon 35, par l'intermédiaire de rondelles 79. Le serrage de l'écrou 77 sur la vis 71 est sécurisé au moyen d'un écrou frein 80.The
Les moyens de fixation et de calage 61 comprennent en outre un ensemble de douille agencé coaxialement entre la tige filetée 75 et la face interne de l'alésage 69. Cet ensemble de douille comprend un manchon cylindrique central 81 logé dans l'alésage de l'entretoise 60, et deux goupilles 83 (de préférence de type Mecanindus®). Ces goupilles 83 sont engagées chacune dans une section d'alésage 69 formée dans un élément de talon 35, 36, une pièce d'entretoise 61, et une âme de rail 46, de part et d'autre du manchon central 81.The securing and wedging means 61 further comprise a bushing assembly arranged coaxially between the threaded
Chaque boulon 70 définit avec l'ensemble de douille 81, 83 un organe d'assemblage démontable qui est, en utilisation, serré sur les deux éléments de talon 35, 36, en calant transversalement, sans possibilité de jeu transversal sensible, la pointe mobile 5 entre les éléments de talon 35, 36 par l'intermédiaire des pièces d'entretoise 63.Each
Les moyens de fixation et de calage 61 comprennent, dans l'exemple représenté, et bien que cela soit optionnel, des cales de sécurité 89 associées à chaque pièce d'entretoise 63. Chaque cale 89 est fixée de façon démontable, ici au moyen de vis 90 sur un élément de talon respectif 35, 36, dans une partie supérieure de ce dernier. La cale 89 fait saillie vers l'intérieur du berceau 12 et prend appui, par une face inférieure, sur une face supérieure de la pièce d'entretoise 63 correspondante.The fastening and wedging means 61 comprise, in the example shown, and although this is optional, safety shims 89 associated with each
Les cales 89 sont prévues pour limiter le débattement vertical des pièces d'entretoise 63 en situation de vie du coeur de croisement, de sorte à réduire les mouvements verticaux de la pointe 5 en cas de desserrage d'un ou plusieurs boulons 70.The
On comprend que la pointe mobile 5 peut être extraite verticalement (suivant la direction Z indiquée sur la Figure 3) à partir de sa position d'encastrement, après démontage des moyens de fixation et de calage 61.It is understood that the
Pour démonter la pointe mobile 5 de l'ensemble de berceau 3, les opérateurs peuvent procéder sur site de la façon suivante :
- libérer les extrémités des rails 43, 44 en les séparant de la voie courante ;
- démonter les cales 89 en retirant les vis 90 ;
- retirer les boulons 70 avec leur ensemble de douille 81, 83 (par des moyens adaptés tels que des vérins hydrauliques) ;
- extraire verticalement, suivant la direction Z, la pointe mobile 5 avec les pièces d'entretoise 63.
- releasing the ends of the
43, 44 separating them from the current path;rails - remove the
wedges 89 by removing thescrews 90; - removing the
bolts 70 with theirbushing assembly 81, 83 (by suitable means such as hydraulic cylinders); - extract vertically, in the direction Z, the
movable tip 5 with thespacer pieces 63.
Après remplacement de la pointe mobile endommagée, le remontage de la pointe mobile est effectué de façon inverse, qu'il n'est pas nécessaire de préciser.After replacement of the damaged mobile tip, the reassembly of the mobile tip is performed in a reverse manner, it is not necessary to specify.
Le deuxième mode de réalisation de l'invention qui a été illustré sur les Figures 4 et 5 diffère du premier mode précédemment décrit uniquement en ce que la partie d'encastrement 12 n'est pas définie par un berceau monobloc.The second embodiment of the invention which has been illustrated in Figures 4 and 5 differs from the first mode previously described only in that the embedding
Dans cet exemple de réalisation, la plaque d'appui 155 est une pièce distincte des deux éléments de talon 35, 36, lesquels sont obtenus par usinage des éléments intermédiaires respectifs 33, 34. De préférence, la plaque d'appui 155 est réalisée dans une matière différente de celle des éléments de talon 35, 36, et fixée indépendamment de ces derniers sur le support.In this embodiment, the support plate 155 is a separate part of the two
On notera en particulier que les pièces d'entretoise 63 et les moyens de fixation et de calage 61 de la pointe mobile dans la partie d'encastrement 12 sont en tous points analogues, voire identiques, à ceux décrits dans le premier mode de réalisation. Ils ne seront donc pas décrits à nouveau.It will be noted in particular that the
On précisera que, de façon préférée, le berceau 11 est obtenu de fonderie et moulé en acier allié, notamment en acier moulé hyper-trempé au manganèse, éventuellement pré-durci. Il est usiné sur toutes les surfaces de roulement, de contact, de glissement ou de raccordement.It will be specified that, preferably, the
Les deux coupons de rail 21A, 22A, qui font partie du coeur de croisement, sont des profils de rail en acier laminé au carbone ou faiblement allié, et sont reliés au berceau 11 par soudure, éventuellement par l'intermédiaire d'inserts.The two
Les éléments intermédiaires 33, 34 sont de préférence réalisés en rail ou en acier moulé au carbone ou faiblement allié, ayant une résistance mécanique proche de celle des rails, et permettant leur soudage au berceau 11, éventuellement par l'intermédiaire d'un insert.The
Claims (11)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL06291066T PL1741830T3 (en) | 2005-07-04 | 2006-06-28 | Frog with movable point for railway |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0507091A FR2887898B1 (en) | 2005-07-04 | 2005-07-04 | CROSSING HEART WITH MOBILE POINT FOR RAILWAY |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1741830A1 true EP1741830A1 (en) | 2007-01-10 |
EP1741830B1 EP1741830B1 (en) | 2017-06-14 |
Family
ID=36178151
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06291066.6A Active EP1741830B1 (en) | 2005-07-04 | 2006-06-28 | Frog with movable point for railway |
Country Status (12)
Country | Link |
---|---|
US (1) | US7740208B2 (en) |
EP (1) | EP1741830B1 (en) |
KR (1) | KR101562385B1 (en) |
CN (2) | CN1891906A (en) |
AU (1) | AU2006202847B2 (en) |
ES (1) | ES2634258T3 (en) |
FR (1) | FR2887898B1 (en) |
MA (1) | MA28424B1 (en) |
PL (1) | PL1741830T3 (en) |
RU (1) | RU2335591C2 (en) |
TW (1) | TWI336362B (en) |
UA (1) | UA91009C2 (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7997540B2 (en) * | 2007-09-06 | 2011-08-16 | Universal City Studios Llc | Fast track switch |
GB0802495D0 (en) * | 2008-02-11 | 2008-03-19 | Balfour Beatty Plc | Swing nose crossing |
CN101697378B (en) | 2009-10-30 | 2012-11-21 | 华为终端有限公司 | Wireless equipment antenna treating method and wireless equipment |
US8424813B1 (en) * | 2011-01-25 | 2013-04-23 | Cleveland Track Material, Inc. | Elevated frog and rail track assembly |
US8870128B1 (en) * | 2011-09-14 | 2014-10-28 | Cleveland Track Material, Inc. | Flange bearing frog crossing |
US9523458B2 (en) * | 2012-01-19 | 2016-12-20 | Nippon Steel & Sumitomo Metal Corporation | Box protector for a threaded joint for pipes |
US9074325B2 (en) | 2013-03-14 | 2015-07-07 | Union Pacific Railroad Company | Portable temporary turnout system for rails |
KR101876502B1 (en) * | 2015-09-25 | 2018-07-16 | 삼표레일웨이 주식회사 | Up and Down Separating Type Crossing Structure of Turnout |
DE102015121273A1 (en) * | 2015-12-07 | 2017-06-08 | Voestalpine Bwg Gmbh | Track section and method for connecting track components |
DE202017107122U1 (en) | 2017-09-19 | 2018-12-21 | Voestalpine Bwg Gmbh | A tongue device |
CN109930429A (en) * | 2019-03-20 | 2019-06-25 | 浙江贝尔轨道装备有限公司 | A kind of small number railway frog of low noise using diamond shape heart rail assembly |
CN111335080B (en) * | 2020-05-21 | 2020-08-18 | 中铁工程设计咨询集团有限公司 | Long and short point rail dislocation device of movable point rail frog |
DE102021106050A1 (en) * | 2021-03-12 | 2022-09-15 | Voestalpine Railway Systems GmbH | heart |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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DE1222957B (en) * | 1961-03-27 | 1966-08-18 | Const J Kihn Atel | Heart for switches and crossings |
DE1658316B1 (en) * | 1966-12-21 | 1970-08-27 | Kloeckner Werke Ag | Simple centerpiece for switches and crossings |
EP0587517A1 (en) * | 1992-09-11 | 1994-03-16 | Cogifer (Cie Generale D'installations Ferroviaires), S.A. | Installation of the movable point in a crossing piece incorporated in long welded railway rails and method to this purpose |
EP1020562A1 (en) * | 1999-01-15 | 2000-07-19 | Comagep | Frog with movable point and its manufacturing process |
Family Cites Families (8)
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GB328528A (en) * | 1928-10-19 | 1930-05-01 | Ver Stahlwerke Ag | Improvements in and relating to wearproof insertions for crossings and points with vignoles rails |
FR1528087A (en) * | 1967-04-28 | 1968-06-07 | Paris & Outreau Acieries | Cross heart |
AT391500B (en) * | 1987-11-05 | 1990-10-10 | Voest Alpine Ag | CONVERSION DEVICE FOR MOVING PARTS OF A RAIL SWITCH |
US5456430A (en) * | 1993-05-04 | 1995-10-10 | Ortiz-Rivas; Arturo A. | Frog with interchangeable insert |
US5560571A (en) * | 1995-10-02 | 1996-10-01 | Abc Rail Products Corporation | Reversible wing insert frog |
US5743496A (en) * | 1997-02-19 | 1998-04-28 | Upcor, Inc. | Railroad frog crossing bolt and nut assembly for clamping railroad rail sections together |
CN2321805Y (en) * | 1998-01-19 | 1999-06-02 | 李丰实 | Frame changing type railway frog |
US6732980B2 (en) * | 2002-10-08 | 2004-05-11 | Progress Rail Services Corp. | Railway frog wear component |
-
2005
- 2005-07-04 FR FR0507091A patent/FR2887898B1/en active Active
-
2006
- 2006-06-28 EP EP06291066.6A patent/EP1741830B1/en active Active
- 2006-06-28 PL PL06291066T patent/PL1741830T3/en unknown
- 2006-06-28 ES ES06291066.6T patent/ES2634258T3/en active Active
- 2006-06-30 TW TW095123867A patent/TWI336362B/en not_active IP Right Cessation
- 2006-07-03 US US11/478,643 patent/US7740208B2/en active Active
- 2006-07-03 RU RU2006123534/11A patent/RU2335591C2/en active
- 2006-07-03 AU AU2006202847A patent/AU2006202847B2/en active Active
- 2006-07-03 MA MA29156A patent/MA28424B1/en unknown
- 2006-07-04 KR KR1020060062549A patent/KR101562385B1/en active IP Right Grant
- 2006-07-04 CN CNA2006100934327A patent/CN1891906A/en active Pending
- 2006-07-04 UA UAA200607405A patent/UA91009C2/en unknown
- 2006-07-04 CN CN201410064824.5A patent/CN103821041A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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DE1222957B (en) * | 1961-03-27 | 1966-08-18 | Const J Kihn Atel | Heart for switches and crossings |
DE1658316B1 (en) * | 1966-12-21 | 1970-08-27 | Kloeckner Werke Ag | Simple centerpiece for switches and crossings |
EP0587517A1 (en) * | 1992-09-11 | 1994-03-16 | Cogifer (Cie Generale D'installations Ferroviaires), S.A. | Installation of the movable point in a crossing piece incorporated in long welded railway rails and method to this purpose |
EP1020562A1 (en) * | 1999-01-15 | 2000-07-19 | Comagep | Frog with movable point and its manufacturing process |
Also Published As
Publication number | Publication date |
---|---|
PL1741830T3 (en) | 2017-12-29 |
AU2006202847A1 (en) | 2007-01-18 |
US7740208B2 (en) | 2010-06-22 |
UA91009C2 (en) | 2010-06-25 |
CN103821041A (en) | 2014-05-28 |
TWI336362B (en) | 2011-01-21 |
TW200722589A (en) | 2007-06-16 |
AU2006202847B2 (en) | 2011-08-11 |
ES2634258T3 (en) | 2017-09-27 |
KR101562385B1 (en) | 2015-10-21 |
RU2335591C2 (en) | 2008-10-10 |
FR2887898B1 (en) | 2009-06-05 |
KR20070004461A (en) | 2007-01-09 |
CN1891906A (en) | 2007-01-10 |
MA28424B1 (en) | 2007-02-01 |
RU2006123534A (en) | 2008-01-20 |
US20070001060A1 (en) | 2007-01-04 |
EP1741830B1 (en) | 2017-06-14 |
FR2887898A1 (en) | 2007-01-05 |
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