EP1764443B1 - Device for reprofiling of raiway rail including collecting refuse - Google Patents

Device for reprofiling of raiway rail including collecting refuse Download PDF

Info

Publication number
EP1764443B1
EP1764443B1 EP06018155A EP06018155A EP1764443B1 EP 1764443 B1 EP1764443 B1 EP 1764443B1 EP 06018155 A EP06018155 A EP 06018155A EP 06018155 A EP06018155 A EP 06018155A EP 1764443 B1 EP1764443 B1 EP 1764443B1
Authority
EP
European Patent Office
Prior art keywords
waste
abrasive
grinding
jet
pickup
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.)
Not-in-force
Application number
EP06018155A
Other languages
German (de)
French (fr)
Other versions
EP1764443A1 (en
Inventor
Jean-Jacques Meroz
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.)
Speno International SA
Original Assignee
Speno International SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Speno International SA filed Critical Speno International SA
Publication of EP1764443A1 publication Critical patent/EP1764443A1/en
Application granted granted Critical
Publication of EP1764443B1 publication Critical patent/EP1764443B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/004—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding rails, T, I, H or other similar profiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B24B55/06—Dust extraction equipment on grinding or polishing machines
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B31/00—Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor
    • E01B31/02—Working rail or other metal track components on the spot
    • E01B31/12—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails
    • E01B31/17—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails by grinding

Definitions

  • the present invention relates to a continuous reprofiling device for railway rails comprising at least one reprofiling unit of the rails by guided grinding along the railway track and comprising at least one abrasive wheel that can be applied against the rails. .
  • the reprofiling units are usually mounted on a railway vehicle having grinding units provided with abrasive wheels driven rotatably and applied against the relevant surface of the head of the rail to be grinded.
  • the railway vehicle moves on the tracks of the railroad track to be rectified by making the best use of the available time intervals in view of the increasingly intense occupation of the railways.
  • grinding waste consists of metal particles from the material removed on the rail surface and, for a small fraction, abrasive particles from the grinding wheel.
  • the mass of these The particles cover a fairly wide spectrum so that there is, on the one hand, a cloud of dust composed of particles of low mass as well as, on the other hand, a jet of sparks well located on a trajectory specific and composed mainly of incandescent chips of a larger mass and having in particular a very high kinetic and thermal energy.
  • the document DE 44 37 541 A1 discloses a machine for continuous reprofiling of rails of a railroad track having at least one rail grinding unit guided along the railway track and comprising at least one abrasive wheel that can be applied against the rails, means for transporting waste and at least one grinding waste sensor comprising at least one portion forming a collection mouth placed in the immediate vicinity of at least one abrasive wheel and in the geometric axis of the main jet of the waste emitted during the operation of this abrasive wheel, this part being simultaneously in cooperation with said waste transport means.
  • this device In order to recover the waste created during reprofiling of the rails by grinding, there is a device comprising a caisson set in depression.
  • the box covers the grinding unit from the top and surrounds it laterally.
  • this device allows, on the one hand, to suck up the cloud of dust composed of low mass particles from above and to convey them to a container placed on the railway vehicle in order to store them preliminary until they are unloaded.
  • the side walls of this device form a kind of mechanical recuperator possibly being equipped with a deflector, this by accumulating the heavy particles ejected with the jet of sparks.
  • the object of the present invention is to obviate the aforementioned drawbacks and to allow the evacuation of all the grinding waste generated by the grinding of railway rails by grinding, to improve the ecological compatibility of the grinding of rails and at least partly eliminate the spark jet representing a source of danger to the staff in charge of the reprofiling device as well as constituting the reason for the high thermal load of the components of the device.
  • the present invention relates to a reprofiling device for railroad rails having the features set forth in claim 1.
  • this device comprises at least one grinding waste sensor comprising at least one portion forming a collection mouth, said portion being placed in the immediate vicinity of at least one abrasive grinding wheel and in the geometric axis of the main jet of waste issued during the operation of this abrasive wheel, this part being simultaneously in cooperation with means of transporting waste.
  • This is not only the low mass particles, but also the heavy particles in the spark jet that are recovered and then conveyed into a container for disposal in the rules of art.
  • the evacuation of almost all the grinding waste generated by the grinding of railway rails by grinding is possible and the ecological compatibility of the grinding of rails is improved.
  • a source of danger for the personnel in charge of the reprofiling device is eliminated and the other components of the device apart from the wheel and the waste sensor are thermally much less stressed.
  • each waste sensor of the device comprises in particular means for reflection and absorption of kinetic and thermal energy. This makes it possible to avoid the formation of agglomerations of material on said sensor, in particular on the interior walls of the sensor or of the collection mouth, which is necessary in order to subsequently be able to convey this waste towards the container.
  • These means have a specific shape and are of a material adapted to prevent the formation of agglomerations of material on its surface.
  • they are equipped with a ceramic coating.
  • They may also have a cooling system and / or vibrators may be provided to prevent the attachment of waste on the sensor.
  • the relative position between an abrasive wheel of a reprofiling unit and a collection mouth of a grinding waste sensor may be variable.
  • This orientation of the relative position can be obtained by a movement of the portion forming a collection mouth of a grinding waste sensor according to the position of an abrasive grinding wheel of a reprofiling unit. It can also be achieved by proper management of the geometrical axis of the main jet of waste emitted during the operation of an abrasive wheel of a reprofiling unit or by a combination of these two measurements.
  • the principle of a device for continuous reprofiling of the rails of a railroad track according to the present invention is schematically illustrated by a view along the axis of the rail 1 on the device, some parts of which have not been shown. for the sake of simplicity, at the figure 1 , and by a view perpendicular to the rail 1 from the inside of the railway track, at the figure 2 .
  • the device comprises at least one reprofiling unit of the rails by grinding 2.
  • This unit 2 is guided along the railway track and comprises at least one abrasive wheel 3 that can be applied against the rails 1.
  • the device also comprises minus a grinding waste sensor 20 comprising at least one portion 21 forming a collection mouth.
  • This portion 21 is placed in the immediate vicinity of at least one abrasive wheel 3 and in the geometric axis 41 of the main jet of waste 40 emitted during the operation of this abrasive wheel 3. Simultaneously, said portion 21 is in cooperation with means of transporting waste.
  • the main jet of waste 40 is formed mainly by sparks ejected at a very high kinetic and thermal energy.
  • the railway vehicle comprises a fixed part serving as a support 11 of the device.
  • Spring blades 9 are fixed at one end to this support 11 and carry two at their other ends two plates 8 parallel to each other and substantially orthogonal to the direction of the rails 1.
  • a jack 10 can act orthogonally relative to to the direction of the rails 1 and substantially parallel to the plane of the railroad track on each of these plates 8 so as to be able to bring said two plates 8 laterally and simultaneously to the rails 1, due to the elasticity of the spring blades 9. The usefulness of this function will be explained in detail later in the text.
  • the cradle 5 Between the plates 8 is a cradle 5 which is fixed on these plates 8 pivotably about the rotation points respectively the axis of rotation 7 which is substantially parallel to the rails 1.
  • the cradle 5 houses at least one abrasive wheel 3 and a drive motor 4 and the servo-control for the grinding wheel 3.
  • This assembly forms a grinding reprofiling unit 2, hereinafter referred to simply as a grinding unit 2.
  • Cylinders 6 are mounted on each side of the cradle 5 between a plate 8 and the side wall of the cradle 5 so that that it and so the wheel or grinders 3 can be inclined to direct them to a specific surface on the rail 1 to grind.
  • each cradle 5 with several grinding wheels 3 and / or to place several cradles 5 with a single grinding wheel 3 (or with several grinding wheels) on the support 11, the grinding units 2 can therefore be of variable composition .
  • the grinding units 2 can therefore be of variable composition .
  • only the embodiment having an abrasive wheel 3 per grinding unit 2 will be described in detail below.
  • the grinding waste sensor 20 is also mounted on the cradle 5, so that the portion 21 forming a collection mouth placed in front of the grinding wheel 3 follows, in principle, the movements of the grinding unit 2 to remove material on the surface of the rail concerned to obtain an optimal grinding result.
  • most of the material of the spark jet 40 automatically leaves in the collection mouth, the latter being placed at the outlet, that is to say at the source, of the waste which is thus captured directly at the source. the place of their generation.
  • the sensor 20 and, in particular, the portion 21 forming a collection mouth will in the following described in more detail.
  • each waste sensor 20 comprises reflection and absorption means making it possible to avoid the formation of material agglomerations on said sensor, which allows following the aspiration of waste.
  • a first measure concerning these means of reflection and absorption of kinetic and thermal energy is constituted by a coating of at least a portion of the inner walls of the waste sensor 20 with a material adapted to prevent the formation of material agglomerations. on its surface.
  • a material adapted to prevent the formation of material agglomerations. on its surface As shown in figure 3 , this can for example be obtained by realizing the part 21 forming the collecting mouth by a steel outer structure 25 jacketed with an inner structure 24 of a special material.
  • This material is for example a ceramic, preferably of the silicon carbide (SiC) type. Unlike steel, the ceramic makes it possible to recover the incandescent chips from the spark jet by effectively preventing the formation of agglomerations of material on the surface of the inner walls of the collection mouth 21, which is essential to avoid clogging. the input 22 of the sensor 20 and for the subsequent transport of this material to the container.
  • the means of reflection and absorption of kinetic and thermal energy comprise at least one portion having a smooth shape adapted to prevent the formation of agglomeration of matter on its surface.
  • a shape avoids ridges or obstacles in the path of the sparks falling in the collection mouth 21 with a very high energy so that the collection mouth 21 has no point that could cause agglomeration of material.
  • the coating of the interior walls of the waste sensor 20 respectively the means for reflection and absorption of kinetic and thermal energy generally have a round sectional shape, the outer structure of steel 25 and the inner structure 24 being in the form of a tube. Otherwise, a waste sensor 20 of rectangular section can obviously be equipped inside a round and smooth coating, especially in its corners.
  • the portion 21 forming the collection mouth is provided with an inlet 22 and an outlet 23 of specific shape.
  • the inlet 22 receiving the jet of sparks can be made by a slot in the portion 21 forming the collection mouth and in front of the abrasive wheel 3.
  • the lower part of this slot constitutes a tangent with the inside diameter of the ceramic tube 24 forming the coating of the means of reflection and absorption of kinetic and thermal energy and it can, in addition, be slightly upwardly to adapt to the shape of the beam of the jet of sparks 40.
  • the latter being substantially conical, the height of the input 22 or even said slot must be large enough to recover almost the entire spark jet.
  • the waste sensor 20 may have several separate parts 21 each forming a collection mouth in front of a grinding wheel 3 or the slot may simply be long enough to serve 22 for all abrasive wheels 3.
  • the particles of the jet of sparks received in the collection mouth 21 without forming agglomerations on its inner walls having lost a sufficient portion of their energy they can preferably be sucked by an outlet 23. In the example shown in the figures, it is positioned to route the waste upwards.
  • a connecting piece 28 is connected to the outlet 23.
  • this piece 28 may have a round section, preferably oval, allowing, on the one hand, to achieve a relatively narrow exit to increase the impact surface in the sensing mouth 21 available for sparks and, secondly, to create a seamless transition between the portion 21 forming the sensing mouth and the connecting piece 28 and between the latter and a flexible pipe forming a conduit 29 for disposal of waste to a container placed on the rail vehicle.
  • the railway vehicle respectively the container comprises suitable filters and means for depressing the portion 21 forming a collection mouth connected by the connecting piece 28 and the duct 29 to the portion 21.
  • the grinding waste and in particular, the incandescent chips mainly forming the spark jet 40 are thus sucked, deflected and conveyed from the collection mouth to the container for preliminary storage until unloading.
  • the waste transport means using mechanical means instead of a vacuum conveyor which requires vacuum means.
  • the outlet 23 would be placed at the bottom of the waste sensor 20 so that the particles of the jet of sparks, once they are captured in the portion 21 forming the collection mouth without forming agglomerations, fall down under the effect of gravity and are conveyed to the container, for example with a conveyor belt or other equivalent mechanical means.
  • the device according to the present invention comprises a waste sensor 20 having a surface adapted to receive the particles of the spark jet 40 without forming agglomerations on this surface and that this sensor 20 is in cooperation with means of transporting waste for disposal.
  • they include, apart from the material and the specific form, still other measures preventing the adhesion of
  • they preferably comprise a device for cooling at least a portion of the inner walls of the waste sensor 20, in particular of the portion 21 forming the collection mouth.
  • This cooling device can in particular comprise cooling by water and / or air, as is shown by way of example in FIG. figure 3 .
  • the ceramic tube 24 respectively the inner walls of the portion 21 forming a collection mouth are water cooled with the aid of several through channels which are fed to the side tips 27 located on each side of the part 21 or the tube 24, as shown schematically in the figure 4 .
  • the means of reflection and absorption of kinetic and thermal energy may also comprise air and / or water nozzles.
  • These nozzles are normally placed in the side tips 27 and can be used, on the one hand, as water jets on the spark stream so as to lower the energy of the jet particles by the vaporization of the water to cool the jet of sparks.
  • the energy of the incandescent metal particles can thus be sufficiently reduced to effectively contribute to preventing their agglomeration in the portion 21 forming a collection mouth.
  • these nozzles can be used to create an irregular flow of air inside this part 21, especially in the impact zone of the spark jet, also contributing to the action preventing waste deposits. in part 21.
  • the means of reflection and absorption of kinetic and thermal energy may comprise a vibration device facilitating the stall and aspiration of accumulations of material on the inner walls of the waste sensor.
  • vibrators may be provided on the sensor 20 and in particular the portion 21 to facilitate the unhooking of the small points of agglomeration of material that would have formed despite the other measures mentioned above.
  • any grinding unit 2 having either several abrasive grinding wheels 3 or a waste sensor 20 of a different shape, for example with separate collecting ports 21 for each grinding wheel 3 or a single large mouth 21 for several abrasive wheels.
  • the grinding waste sensor 20 is mounted, as the grinding unit 2 with the grinding wheel 3, on the cradle 5, so that the portion 21 forming a collection mouth placed in front abrasive wheel 3 follows the movements of the grinding unit 2 necessary for an optimal result of grinding of the rails. It is however advantageous to provide the possibility that the waste sensor 20 can vary its height with respect to the abrasive wheel 3 on the grinding unit 2, this depending on the inclination of the grinding wheel 3 and the working conditions for the reprofiling of the rail 1.
  • the waste sensor 20 is also mounted on the cradle 5, the retraction of the abrasive wheel 3 by the servocontrol results in a slight relative movement between the grinding wheel. 3 and the sensor 20, in particular its portion 21 forming a collection mouth.
  • the waste sensor 20 is mounted on the cradle 5 so as to be able to assume different positions in height relative to the axis of rotation 7 of the cradle 5.
  • the sensor 20 is mounted on a linear guide 30 with a cylinder 31 incorporated.
  • the cylinder 31 or the sensor 20 is then positionable in height for example by means of a system of folding stops 32 or any other means adapted to this functionality.
  • a height position of the corresponding waste sensor 20 is assigned at each inclination angle of the grinding wheel 3 at each inclination angle of the grinding wheel 3. This is normally done in a discrete manner, i.e. the entire tilting angle range of the grinding wheel 3 is divided by a number of available height positions for the sensor 20 to reduce the number of necessary positions and to facilitate the construction of the device.
  • the figure 5 shows schematically how the sensor 20 is mounted in height by the distance d 1 -d 2 following the inclination of the abrasive wheel 3 to work on another part of the surface of the rail 1.
  • the geometrical axis of the main jet of the waste emitted during the operation of this abrasive wheel 3 thus always falls substantially in the geometric center of the inlet 22 of said collection mouth 21 because the part 21 forming a capture mouth of a grinding waste sensor 20 is adjustable according to the position of an abrasive grinding wheel of a grinding unit reprofiling.
  • Part 21 forming a collection mouth of a grinding waste sensor is, in the embodiment illustrated in the figures, in particular vertically adjustable relative to the plane of the rails 1 of the railway track. According to the same principle, it could also be horizontally adjustable along the rail 1.
  • a reprofiling unit 2 Another possibility for ensuring the optimal efficiency of the device as regards the quantity of waste discharged consists in the management of the geometric axis 41 of the main jet 40 of the waste emitted during the operation of an abrasive grinding wheel 3.
  • a reprofiling unit 2 Indeed, this geometric axis 41 can be oriented during the operation of the device so that this axis 41 of the jet 40 always falls substantially in the geometric center of a portion 21 forming a mouth of capture of a grinding waste sensor 20.
  • This constellation is shown schematically in FIG. figure 6 .
  • the abrasive surface of a grinding wheel 3 is in contact with the surface of the rail 1 along a generatrix g 1 respectively g 2 .
  • the geometric axis of the corresponding spark jet is simply the tangent t 1 and t 2 respectively at the circumference of the grinding wheel 3 at the intersection point of the circumference with the generator in question.
  • the correct lateral positioning of the abrasive wheel 3 with respect to the rail 1 as a function of the inclination of the grinding wheel 3 can then be used to manage the direction of the spark jet 40 towards the waste sensor 20, in particular in the horizontal plane. , in order to capture the most waste and thus increase the efficiency of the device.
  • the plates 8 are fixed by the spring blades 9 mentioned above between the support 11 and the cradle 5.
  • the cradle 5 carrying the grinding unit 2 can thus be moved by means of the jack 10 in a direction substantially orthogonal to the direction of the rails 1, as is apparent from the figure 1 .
  • the cylinders 10 are, for example, equipped with a measuring system housed in their rods for the purpose of adjusting the required position of the cradle 5.
  • the line of contact between the grinding wheel 3 and the rail 1 and thus the direction of the jet of sparks 40 can be managed so as to that the latter falls substantially in the geometric center of the inlet 22 of the portion 21 forming a collection mouth.
  • the geometric axis 41 of said jet 40 emanating from an abrasive grinding wheel 3 is then adjustable by displacement of this grinding wheel, which makes it possible to direct the jet of sparks 40 in a desired direction.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Abstract

The reprofiling system, comprising at least one grinding tool (2) with an abrasive wheel (3), has a collector (20) for the waste material from the grinding operation, positioned so that its inlet (21) is in line with the main jet of waste (40). The collector's inner surface has a ceramic lining (24), preferably of silicon carbide, to absorb kinetic and thermal energy, and air and/or water nozzles (26) to cool the collector's inner walls. The collected waste is transported by a mechanical system to a storage unit.

Description

La présente invention concerne un dispositif de reprofilage en continu des rails de chemins de fer comportant au moins une unité de reprofilage des rails par meulage guidée le long de la voie de chemin de fer et comprenant au moins une meule abrasive pouvant être appliquée contre les rails.The present invention relates to a continuous reprofiling device for railway rails comprising at least one reprofiling unit of the rails by guided grinding along the railway track and comprising at least one abrasive wheel that can be applied against the rails. .

Dans le contexte de la rectification des rails d'une voie ferrée, plusieurs méthodes comme par exemple le meulage, le fraisage, le rabotage ou encore d'autres procédés sont connus depuis longtemps. L'une des méthodes actuellement préférée est le reprofilage par meulage du champignon du rail car elle est rapide et permet un enlèvement de métal important. Les unités de reprofilage sont habituellement montées sur un véhicule ferroviaire comportant des unités de meulage munies de meules abrasives entraînées rotativement et appliquées contre la surface concernée de la tête du rail à rectifier. Le véhicule ferroviaire se déplace sur les rails de la voie de chemins de fer à rectifier en utilisant au mieux les intervalles de temps disponibles au vu de l'occupation de plus en plus intense des réseaux ferroviaires.In the context of the rectification of rails of a railway, several methods such as grinding, milling, planing or other processes have been known for a long time. One of the currently preferred methods is the reprofiling by grinding the rail head because it is fast and allows a large metal removal. The reprofiling units are usually mounted on a railway vehicle having grinding units provided with abrasive wheels driven rotatably and applied against the relevant surface of the head of the rail to be grinded. The railway vehicle moves on the tracks of the railroad track to be rectified by making the best use of the available time intervals in view of the increasingly intense occupation of the railways.

Le temps limité pour effectuer la rectification, par conséquent la puissance significative des unités de meulage actuelles et les exigences en qualité de la rectification requise, notamment pour les réseaux de chemins de fer à haute vitesse ou ceux destinés à servir pour les convois de charges très lourdes, font que les quantités de matière enlevées durant une opération de rectification sont très importantes. De ce fait, la nécessité de récupérer les déchets de meulage crées lors d'une opération de rectification sur les rails devient de plus en plus importante.The limited time to perform the grinding, therefore the significant power of the current grinding units and the quality requirements of the required grinding, especially for high speed rail networks or those intended to serve for very heavy load convoys heavy, make the quantities of material removed during a grinding operation are very important. As a result, the need to recover the grinding waste created during a grinding operation on the rails becomes more and more important.

Les déchets de meulage se composent en effet, pour la plupart, de particules de métal provenant du matériau enlevé à la surface du rail et, pour une petite fraction, de particules abrasives provenant de la meule. La masse de ces particules couvre un spectre assez large de manière à ce qu'il y ait, d'une part, un nuage de poussière composé de particules de faible masse ainsi que, d'autre part, un jet d'étincelles assez bien localisé sur une trajectoire spécifique et composé majoritairement de copeaux incandescents d'une masse plus importante et ayant notamment une énergie cinétique et thermique très élevée.For the most part, grinding waste consists of metal particles from the material removed on the rail surface and, for a small fraction, abrasive particles from the grinding wheel. The mass of these The particles cover a fairly wide spectrum so that there is, on the one hand, a cloud of dust composed of particles of low mass as well as, on the other hand, a jet of sparks well located on a trajectory specific and composed mainly of incandescent chips of a larger mass and having in particular a very high kinetic and thermal energy.

Le document DE 44 37 541 A1 divulgue une machine de reprofilage en continu de rails d'une voie de chemins de fer comportant au moins une unité de meulage des rails guidée le long de la voie de chemin de fer et comprenant au moins une meule abrasive pouvant être appliquée contre les rails, des moyens de transport de déchets et au moins un capteur de déchets de meulage comprenant au moins une partie formant une bouche de captage placée à proximité immédiate d'au moins une meule abrasive et dans l'axe géométrique du jet principal des déchets émis lors de l'opération de cette meule abrasive, cette partie étant simultanément en coopération avec des lesdits moyens de transport de déchets.The document DE 44 37 541 A1 discloses a machine for continuous reprofiling of rails of a railroad track having at least one rail grinding unit guided along the railway track and comprising at least one abrasive wheel that can be applied against the rails, means for transporting waste and at least one grinding waste sensor comprising at least one portion forming a collection mouth placed in the immediate vicinity of at least one abrasive wheel and in the geometric axis of the main jet of the waste emitted during the operation of this abrasive wheel, this part being simultaneously in cooperation with said waste transport means.

Dans le but de récupérer les déchets créés lors du reprofilage des rails par meulage, il existe un dispositif comportant un caisson mis en dépression. Le caisson couvre l'unité de meulage par le haut et l'entoure latéralement. Comme décrit en détail dans le fascicule de brevet suisse CH 671 595 , ce dispositif permet, d'une part, d'aspirer par le haut le nuage de poussière composé de particules de faible masse et de les convoyer vers un conteneur placé sur le véhicule ferroviaire afin de les y stocker préliminairement jusqu'à leur déchargement. D'autre part, les parois latérales de ce dispositif forment un genre de récupérateur mécanique étant éventuellement équipé d'un déflecteur, ceci en accumulant les particules lourdes éjectées avec le jet d'étincelles. Du fait de l'énergie cinétique et thermique très élevée des particules lourdes, celles-ci ne peuvent pas être aspirées par ce dispositif mais forment rapidement des accumulations de matière sur lesdits parois du caisson. Ainsi, elles ne sont pas convoyées vers le conteneur afin d'être effectivement éliminées, mais elles sont à certains intervalles de temps simplement déversées à coté de la voie de chemin de fer.In order to recover the waste created during reprofiling of the rails by grinding, there is a device comprising a caisson set in depression. The box covers the grinding unit from the top and surrounds it laterally. As described in detail in the Swiss patent specification CH 671 595 this device allows, on the one hand, to suck up the cloud of dust composed of low mass particles from above and to convey them to a container placed on the railway vehicle in order to store them preliminary until they are unloaded. On the other hand, the side walls of this device form a kind of mechanical recuperator possibly being equipped with a deflector, this by accumulating the heavy particles ejected with the jet of sparks. Due to the very high kinetic and thermal energy of the heavy particles, they can not be sucked by this device but quickly form accumulations of material on said walls of the box. Thus, they are not conveyed to the container in order to be effectively eliminated, but they are some time intervals simply dumped next to the railway line.

Du fait que les particules de faible masse comprises dans le nuage aspiré par ce dispositif ne constituent que 10% à 20% des déchets de meulage tandis que le reste de la matière des déchets est compris dans le jet d'étincelles lourdes, ce procédé ne permet pas la récupération d'un pourcentage satisfaisant de déchets générés lors du reprofilage des rails par meulage. Le désavantage écologique en découlant a de plus en plus d'importance dû à l'augmentation des quantités de déchets produits lors du reprofilage tel qu'expliqué ci-dessus ainsi que dû à la protection de la nature devenant généralement de plus en plus importante. De plus, la présence d'un jet d'étincelles a d'autres conséquences négatives telles qu'un dégagement de chaleur important, ce qui engendre des conditions de travail difficiles pour le personnel en charge du dispositif et une sollicitation thermique élevée des composants du dispositif. Le jet d'étincelles représente même un danger de blessure pour le personnel et il serait souhaitable d'éliminer cette source de danger.Since the particles of low mass included in the cloud sucked by this device constitute only 10% to 20% of the grinding waste while the rest of the waste material is included in the heavy sparger jet, this method does not It does not allow the recovery of a satisfactory percentage of waste generated during reprofiling of rails by grinding. The resulting environmental disadvantage is of increasing importance due to the increased quantities of waste produced during reprofiling as explained above and due to the protection of nature, which is generally becoming more and more important. important. In addition, the presence of a spark jet has other negative consequences such as a significant release of heat, which generates difficult working conditions for the personnel in charge of the device and a high thermal load of the components of the device. device. The spark jet even represents a danger of injury to the personnel and it would be desirable to eliminate this source of danger.

Le but de la présente invention est d'obvier aux inconvénients précités et de permettre l'évacuation de l'ensemble des déchets de meulage générés par la rectification des rails de chemins de fer par meulage, d'améliorer la compatibilité écologique de la rectification des rails et d'éliminer au moins en partie le jet d'étincelles représentant une source de danger pour le personnel en charge du dispositif de reprofilage ainsi que constituant la raison de la sollicitation thermique élevée des composants du dispositif.The object of the present invention is to obviate the aforementioned drawbacks and to allow the evacuation of all the grinding waste generated by the grinding of railway rails by grinding, to improve the ecological compatibility of the grinding of rails and at least partly eliminate the spark jet representing a source of danger to the staff in charge of the reprofiling device as well as constituting the reason for the high thermal load of the components of the device.

La présente invention a pour objet un dispositif de reprofilage des rails de chemins de fer comportant les caractéristiques énoncées à la revendication 1.The present invention relates to a reprofiling device for railroad rails having the features set forth in claim 1.

En particulier, ce dispositif comporte au moins un capteur de déchets de meulage comprenant au moins une partie formant une bouche de captage, ladite partie étant placée à proximité immédiate d'au moins une meule abrasive et dans l'axe géométrique du jet principal des déchets émis lors de l'opération de cette meule abrasive, cette partie étant simultanément en coopération avec des moyens de transport de déchets. Ce n'est alors pas seulement les particules de faible masse, mais également les particules lourdes comprises dans le jet d'étincelles qui sont récupérées et ensuite convoyées dans un conteneur en vue de leur élimination dans les règles de l'art. Ainsi, l'évacuation de presque l'ensemble des déchets de meulage générés par la rectification des rails de chemins de fer par meulage est possible et la compatibilité écologique de la rectification des rails est améliorée. En même temps, une source de danger pour le personnel en charge du dispositif de reprofilage est éliminée et les autres composants du dispositif mis à part la meule et le capteur de déchets sont thermiquement beaucoup moins sollicités.In particular, this device comprises at least one grinding waste sensor comprising at least one portion forming a collection mouth, said portion being placed in the immediate vicinity of at least one abrasive grinding wheel and in the geometric axis of the main jet of waste issued during the operation of this abrasive wheel, this part being simultaneously in cooperation with means of transporting waste. This is not only the low mass particles, but also the heavy particles in the spark jet that are recovered and then conveyed into a container for disposal in the rules of art. Thus, the evacuation of almost all the grinding waste generated by the grinding of railway rails by grinding is possible and the ecological compatibility of the grinding of rails is improved. At the same time, a source of danger for the personnel in charge of the reprofiling device is eliminated and the other components of the device apart from the wheel and the waste sensor are thermally much less stressed.

De plus, chaque capteur de déchets du dispositif comprend notamment des moyens de réflexion et d'absorption d'énergie cinétique et thermique. Ceci permet d'éviter la formation d'agglomérations de matière sur ledit capteur, en particulier sur les parois intérieures du capteur voire de la bouche de captage, ce qui est nécessaire pour pouvoir par la suite convoyer ces déchets vers le conteneur.In addition, each waste sensor of the device comprises in particular means for reflection and absorption of kinetic and thermal energy. This makes it possible to avoid the formation of agglomerations of material on said sensor, in particular on the interior walls of the sensor or of the collection mouth, which is necessary in order to subsequently be able to convey this waste towards the container.

Ces moyens présentent une forme spécifique et sont en un matériau adapté à éviter la formation d'agglomérations de matière sur sa surface. A cet effet, ils sont équipés d'un revêtement en céramique. Ils peuvent également disposer d'un système de refroidissement et/ou des vibreurs peuvent être prévus afin d'empêcher l'accrochage des déchets sur le capteur.These means have a specific shape and are of a material adapted to prevent the formation of agglomerations of material on its surface. For this purpose, they are equipped with a ceramic coating. They may also have a cooling system and / or vibrators may be provided to prevent the attachment of waste on the sensor.

En outre, la position relative entre une meule abrasive d'une unité de reprofilage et une bouche de captage d'un capteur de déchets de meulage peut être variable.In addition, the relative position between an abrasive wheel of a reprofiling unit and a collection mouth of a grinding waste sensor may be variable.

Cette orientation de la position relative peut être obtenue par un mouvement de la partie formant une bouche de captage d'un capteur de déchets de meulage en fonction de la position d'une meule abrasive d'une unité de reprofilage. Elle peut également être réalisée par une gestion adéquate de l'axe géométrique du jet principal des déchets émis lors de l'opération d'une meule abrasive d'une unité de reprofilage ou par une combinaison de ces deux mesures.This orientation of the relative position can be obtained by a movement of the portion forming a collection mouth of a grinding waste sensor according to the position of an abrasive grinding wheel of a reprofiling unit. It can also be achieved by proper management of the geometrical axis of the main jet of waste emitted during the operation of an abrasive wheel of a reprofiling unit or by a combination of these two measurements.

Quelque soit le mode d'opération pour arriver à la modification de la position relative entre une meule abrasive et une bouche de captage, le but est toujours le même, notamment que l'axe géométrique du jet principal des déchets émis lors de l'opération de cette meule tombe sensiblement dans le centre géométrique de la bouche de captage correspondante, de façon à ce que presque toute la matière d'un jet d'étincelles soit récupérée et ensuite convoyée vers le conteneur. Par ces mesures on peut, d'une part, augmenter l'efficacité du dispositif en ce qui concerne le pourcentage des déchets évacués et, d'autre part, optimiser la conception du dispositif en vue de l'espace assez limité.Whatever the mode of operation to arrive at the modification of the relative position between an abrasive wheel and a collection mouth, the goal is always the same, in particular that the geometric axis of the main jet of the waste emitted during the operation This wheel falls substantially in the geometric center of the corresponding sensing mouth, so that almost all the material of a spark jet is recovered and then conveyed to the container. These measures can, on the one hand, increase the efficiency of the device with regard to the percentage of waste evacuated and, secondly, optimize the design of the device in view of the rather limited space.

D'autres avantages ressortent des caractéristiques exprimées dans les revendications dépendantes et de la description exposant ci-après l'invention plus en détail à l'aide de dessins.Other advantages emerge from the features expressed in the dependent claims and from the description which sets forth the invention in more detail with the aid of drawings.

Les dessins annexés illustrent schématiquement et à titre d'exemple une forme d'exécution d'un dispositif de reprofilage selon l'invention.

  • La figure 1 montre schématiquement par une vue parallèle au rail le principe d'un dispositif de reprofilage par meulage comportant une unité de reprofilage par meulage et un capteur de déchets de meulage avec une partie formant une bouche de captage.
  • La figure 2 est une vue perpendiculaire au rail montrant les différents composants du dispositif et un exemple pour leur montage ainsi que les moyens permettant de positionner le berceau portant l'unité de reprofilage par meulage.
  • La figure 3 est une coupe schématique représentant plus en détail l'unité de reprofilage par meulage avec le capteur de déchets de meulage positionné dans l'axe géométrique du jet principal des déchets émis lors de l'opération de la meule abrasive.
  • La figure 4 représente une vue schématique, partiellement en coupe, de dessus d'une meule avec un capteur de déchets de meulage placé en face.
  • La figure 5 illustre schématiquement la variation en hauteur de la meule et du jet d'étincelles généré par rapport au capteur de déchets de meulage en fonction de l'inclinaison de la meule abrasive.
  • La figure 6 montre schématiquement la variation de la direction horizontale du jet d'étincelles par rapport au capteur de déchets de meulage en fonction de la position de la meule abrasive sur le rail.
The accompanying drawings illustrate schematically and by way of example an embodiment of a reprofiling device according to the invention.
  • The figure 1 schematically shows a view parallel to the rail principle of a grinding reprofiling device comprising a grinding reprofiling unit and a grinding waste sensor with a portion forming a collection mouth.
  • The figure 2 is a view perpendicular to the rail showing the various components of the device and an example for their mounting and the means for positioning the cradle carrying the reprofiling unit by grinding.
  • The figure 3 is a schematic section showing in more detail the grinding reprofiling unit with the grinding waste sensor positioned in the geometric axis of the main jet of the waste emitted during the operation of the grinding wheel.
  • The figure 4 is a schematic view, partially in section, from above of a grinding wheel with a grinding waste sensor placed in front.
  • The figure 5 schematically illustrates the variation in height of the grinding wheel and the spark jet generated with respect to the grinding waste sensor as a function of the inclination of the grinding wheel.
  • The figure 6 shows schematically the variation of the horizontal direction of the spark jet with respect to the grinding waste sensor as a function of the position of the grinding wheel on the rail.

L'invention va maintenant être décrite en détail en référence aux dessins susmentionnés qui illustrent à titre d'exemple une forme d'exécution de l'invention.The invention will now be described in detail with reference to the aforementioned drawings which illustrate by way of example an embodiment of the invention.

Le principe d'un dispositif de reprofilage en continu des rails d'une voie de chemins de fer selon la présente invention est illustré schématiquement par une vue suivant l'axe du rail 1 sur le dispositif, dont certaines parties n'ont pas été représentées pour des raisons de simplicité, à la figure 1, et par une vue perpendiculaire au rail 1 depuis l'intérieur de la voie de chemin de fer, à la figure 2. Le dispositif comporte au moins une unité de reprofilage des rails par meulage 2. Cette unité 2 est guidée le long de la voie de chemin de fer et comprend au moins une meule abrasive 3 pouvant être appliquée contre les rails 1. Le dispositif comporte également au moins un capteur de déchets de meulage 20 comprenant au moins une partie 21 formant une bouche de captage. Cette partie 21 est placée à proximité immédiate d'au moins une meule abrasive 3 et dans l'axe géométrique 41 du jet principal des déchets 40 émis lors de l'opération de cette meule abrasive 3. Simultanément, ladite partie 21 est en coopération avec des moyens de transport de déchets. Le jet principal des déchets 40 est formé principalement par les étincelles éjectées à une énergie cinétique et thermique très élevée.The principle of a device for continuous reprofiling of the rails of a railroad track according to the present invention is schematically illustrated by a view along the axis of the rail 1 on the device, some parts of which have not been shown. for the sake of simplicity, at the figure 1 , and by a view perpendicular to the rail 1 from the inside of the railway track, at the figure 2 . The device comprises at least one reprofiling unit of the rails by grinding 2. This unit 2 is guided along the railway track and comprises at least one abrasive wheel 3 that can be applied against the rails 1. The device also comprises minus a grinding waste sensor 20 comprising at least one portion 21 forming a collection mouth. This portion 21 is placed in the immediate vicinity of at least one abrasive wheel 3 and in the geometric axis 41 of the main jet of waste 40 emitted during the operation of this abrasive wheel 3. Simultaneously, said portion 21 is in cooperation with means of transporting waste. The main jet of waste 40 is formed mainly by sparks ejected at a very high kinetic and thermal energy.

Dans la forme d'exécution présentée aux figures, ces composants sont montés sur un véhicule ferroviaire comme suit. D'abord, le véhicule ferroviaire comprend une partie fixe servant de support 11 du dispositif. Des lames ressort 9 sont fixées à une extrémité sur ce support 11 et portent à deux à leurs autres extrémités deux plaques 8 parallèles l'une à l'autre et sensiblement orthogonales à la direction des rails 1. Un vérin 10 peut agir orthogonalement par rapport à la direction des rails 1 et sensiblement parallèlement au plan de la voie de chemins de fer sur chacune de ces plaques 8 de façon à pouvoir rapprocher ou éloigner latéralement et simultanément ces deux plaques 8 des rails 1, dû à l'élasticité des lames ressort 9. L'utilité de cette fonction sera expliquée en détail plus loin dans le texte. Entre les plaques 8 se trouve un berceau 5 qui est fixé sur ces plaques 8 de manière pivotable autour des points de rotation respectivement l'axe de rotation 7 qui est sensiblement parallèle aux rails 1. Le berceau 5 héberge au moins une meule abrasive 3 ainsi qu'un moteur d'entraînement 4 et l'asservissement pour la meule 3. Cet ensemble forme une unité de reprofilage par meulage 2, dénommée par la suite simplement unité de meulage 2. Des vérins 6 sont montés sur chaque coté du berceau 5 entre une plaque 8 et la paroi latérale du berceau 5 de façon à ce que celui-ci et ainsi la ou les meules 3 puissent être inclinées pour les orienter vers une surface déterminée sur le rail 1 à rectifier. Evidemment, il est possible d'équiper chaque berceau 5 avec plusieurs meules 3 et/ou de placer plusieurs berceaux 5 avec une seule meule 3 (ou avec plusieurs meules) sur le support 11, les unités de meulage 2 pouvant donc être de composition variable. Pour des raisons de simplicité, uniquement la forme d'exécution ayant une meule abrasive 3 par unité de meulage 2 sera décrite en détail ci-dessous.In the embodiment shown in the figures, these components are mounted on a railway vehicle as follows. First, the railway vehicle comprises a fixed part serving as a support 11 of the device. Spring blades 9 are fixed at one end to this support 11 and carry two at their other ends two plates 8 parallel to each other and substantially orthogonal to the direction of the rails 1. A jack 10 can act orthogonally relative to to the direction of the rails 1 and substantially parallel to the plane of the railroad track on each of these plates 8 so as to be able to bring said two plates 8 laterally and simultaneously to the rails 1, due to the elasticity of the spring blades 9. The usefulness of this function will be explained in detail later in the text. Between the plates 8 is a cradle 5 which is fixed on these plates 8 pivotably about the rotation points respectively the axis of rotation 7 which is substantially parallel to the rails 1. The cradle 5 houses at least one abrasive wheel 3 and a drive motor 4 and the servo-control for the grinding wheel 3. This assembly forms a grinding reprofiling unit 2, hereinafter referred to simply as a grinding unit 2. Cylinders 6 are mounted on each side of the cradle 5 between a plate 8 and the side wall of the cradle 5 so that that it and so the wheel or grinders 3 can be inclined to direct them to a specific surface on the rail 1 to grind. Obviously, it is possible to equip each cradle 5 with several grinding wheels 3 and / or to place several cradles 5 with a single grinding wheel 3 (or with several grinding wheels) on the support 11, the grinding units 2 can therefore be of variable composition . For the sake of simplicity, only the embodiment having an abrasive wheel 3 per grinding unit 2 will be described in detail below.

Le capteur de déchets de meulage 20 est également monté sur le berceau 5, de manière à ce que la partie 21 formant une bouche de captage placée en face de la meule abrasive 3 suit, en principe, les mouvements de l'unité de meulage 2 correspondante effectués pour enlever de la matière sur la surface du rail concernée afin d'obtenir un résultat de rectification optimal. De ce fait, la plupart de la matière du jet d'étincelles 40 part automatiquement dans la bouche de captage, celle-ci étant placée en sortie, c'est-à-dire à la source, des déchets qui sont ainsi captés directement à l'endroit de leur génération. En se référant à la figure 3, le capteur 20 et, en particulier, la partie 21 formant une bouche de captage seront dans la suite décrits de manière plus détaillée.The grinding waste sensor 20 is also mounted on the cradle 5, so that the portion 21 forming a collection mouth placed in front of the grinding wheel 3 follows, in principle, the movements of the grinding unit 2 to remove material on the surface of the rail concerned to obtain an optimal grinding result. As a result, most of the material of the spark jet 40 automatically leaves in the collection mouth, the latter being placed at the outlet, that is to say at the source, of the waste which is thus captured directly at the source. the place of their generation. Referring to the figure 3 , the sensor 20 and, in particular, the portion 21 forming a collection mouth will in the following described in more detail.

D'abord, à cause de l'énergie cinétique et thermique très élevée des étincelles, chaque capteur de déchets 20 comprend des moyens de réflexion et d'absorption permettant d'éviter la formation d'agglomérations de matière sur ledit capteur, ce qui permet à la suite l'aspiration des déchets.Firstly, because of the very high kinetic and thermal energy of the sparks, each waste sensor 20 comprises reflection and absorption means making it possible to avoid the formation of material agglomerations on said sensor, which allows following the aspiration of waste.

Une première mesure concernant ces moyens de réflexion et d'absorption d'énergie cinétique et thermique est constituée par un revêtement d'au moins une partie des parois intérieures du capteur de déchets 20 par un matériau adapté à éviter la formation d'agglomérations de matière sur sa surface. Comme le montre la figure 3, ceci peut par exemple être obtenu en réalisant la partie 21 formant la bouche de captage par une structure extérieure en acier 25 chemisée avec une structure intérieure 24 en un matériau spécial. Ce matériau est par exemple une céramique, de préférence du type carbure de silicium (SiC). Contrairement à l'acier, la céramique permet de récupérer les copeaux incandescents du jet d'étincelles en évitant efficacement la formation d'agglomérations de matière sur la surface des parois intérieures de la bouche de captage 21, ce qui est primordial pour éviter de boucher l'entrée 22 du capteur 20 et pour le transport ultérieur de cette matière vers le conteneur.A first measure concerning these means of reflection and absorption of kinetic and thermal energy is constituted by a coating of at least a portion of the inner walls of the waste sensor 20 with a material adapted to prevent the formation of material agglomerations. on its surface. As shown in figure 3 , this can for example be obtained by realizing the part 21 forming the collecting mouth by a steel outer structure 25 jacketed with an inner structure 24 of a special material. This material is for example a ceramic, preferably of the silicon carbide (SiC) type. Unlike steel, the ceramic makes it possible to recover the incandescent chips from the spark jet by effectively preventing the formation of agglomerations of material on the surface of the inner walls of the collection mouth 21, which is essential to avoid clogging. the input 22 of the sensor 20 and for the subsequent transport of this material to the container.

A part le matériau utilisé pour le capteur de déchets 20, notamment la bouche de captage 21, c'est surtout aussi la forme de ces pièces qui est importante pour les mêmes raisons précitées. Ainsi, les moyens de réflexion et d'absorption d'énergie cinétique et thermique comprennent au moins une partie présentant une forme lisse adaptée à éviter la formation d'agglomérations de matière sur sa surface. Une telle forme évite des arêtes ou obstacles sur le chemin des étincelles tombant dans la bouche de captage 21 avec une énergie très élevée afin que la bouche de captage 21 ne présente aucun point qui pourrait provoquer des agglomérations de matière. De préférence, le revêtement des parois intérieurs du capteur de déchets 20 respectivement les moyens de réflexion et d'absorption d'énergie cinétique et thermique présentent en général une forme de section ronde, la structure extérieure en acier 25 ainsi que la structure intérieure 24 étant sous forme d'un tube. Sinon, un capteur de déchets 20 de section rectangulaire peut évidemment être équipé à l'intérieur d'un revêtement rond et lisse, surtout dans ses angles.Apart from the material used for the waste sensor 20, especially the collection mouth 21, it is also especially the shape of these parts which is important for the same reasons mentioned above. Thus, the means of reflection and absorption of kinetic and thermal energy comprise at least one portion having a smooth shape adapted to prevent the formation of agglomeration of matter on its surface. Such a shape avoids ridges or obstacles in the path of the sparks falling in the collection mouth 21 with a very high energy so that the collection mouth 21 has no point that could cause agglomeration of material. Preferably, the coating of the interior walls of the waste sensor 20 respectively the means for reflection and absorption of kinetic and thermal energy generally have a round sectional shape, the outer structure of steel 25 and the inner structure 24 being in the form of a tube. Otherwise, a waste sensor 20 of rectangular section can obviously be equipped inside a round and smooth coating, especially in its corners.

De plus, la partie 21 formant la bouche de captage est munie d'une entrée 22 et d'une sortie 23 de forme spécifique. L'entrée 22 réceptionnant le jet d'étincelles peut être réalisée par une fente dans la partie 21 formant la bouche de captage et en face de la meule abrasive 3. Dans la forme d'exécution préférée et illustrée à la figure 3, la partie basse de cette fente constitue une tangente avec le diamètre intérieur du tube en céramique 24 formant le revêtement des moyens de réflexion et d'absorption d'énergie cinétique et thermique et elle peut, en outre, être légèrement orientée vers le haut pour s'adapter à la forme du faisceau du jet d'étincelles 40. Ce dernier étant sensiblement conique, la hauteur de l'entrée 22 voire de ladite fente doit être suffisamment grande pour récupérer quasiment l'intégralité du jet d'étincelles. Dans le cas où l'unité de meulage 2 comporte plusieurs meules abrasives 3, le capteur de déchets 20 peut avoir plusieurs parties 21 séparées formant chacune une bouche de captage en face d'une meule 3 ou la fente peut simplement être suffisamment longue pour servir d'entrée 22 pour toutes les meules abrasives 3.In addition, the portion 21 forming the collection mouth is provided with an inlet 22 and an outlet 23 of specific shape. The inlet 22 receiving the jet of sparks can be made by a slot in the portion 21 forming the collection mouth and in front of the abrasive wheel 3. In the preferred embodiment and illustrated in FIG. figure 3 , the lower part of this slot constitutes a tangent with the inside diameter of the ceramic tube 24 forming the coating of the means of reflection and absorption of kinetic and thermal energy and it can, in addition, be slightly upwardly to adapt to the shape of the beam of the jet of sparks 40. The latter being substantially conical, the height of the input 22 or even said slot must be large enough to recover almost the entire spark jet. In the case where the grinding unit 2 comprises several abrasive grinding wheels 3, the waste sensor 20 may have several separate parts 21 each forming a collection mouth in front of a grinding wheel 3 or the slot may simply be long enough to serve 22 for all abrasive wheels 3.

Une fois les particules du jet d'étincelles réceptionnées dans la bouche de captage 21 sans former des agglomérations sur ses parois intérieures en ayant perdu une partie suffisante de leur énergie, elles peuvent, de préférence, être aspirées par une sortie 23. Dans l'exemple présenté aux figures, celle-ci est positionnée pour acheminer les déchets vers le haut.Once the particles of the jet of sparks received in the collection mouth 21 without forming agglomerations on its inner walls having lost a sufficient portion of their energy, they can preferably be sucked by an outlet 23. In the example shown in the figures, it is positioned to route the waste upwards.

A cet effet, une pièce de jonction 28 est branchée à la sortie 23. De nouveau, cette pièce 28 peut avoir une section ronde, de préférence ovale, permettant, d'une part, de réaliser une sortie relativement étroite afin d'augmenter la surface d'impact dans la bouche de captage 21 disponible pour les étincelles et, d'autre part, de créer une transition sans arêtes entre la partie 21 formant la bouche de captage et la pièce de jonction 28 ainsi qu'entre cette dernière et un tuyau flexible formant un conduit 29 permettant l'évacuation des déchets vers un conteneur placé sur le véhicule ferroviaire. De plus, le véhicule ferroviaire respectivement le conteneur comprend des filtres adaptés et des moyens de mise en dépression de la partie 21 formant une bouche de captage connectés par la pièce de jonction 28 et le conduit 29 à la partie 21. Les déchets de meulage et, en particulier, les copeaux incandescents formant principalement le jet d'étincelles 40 sont ainsi aspirés, déviés et convoyés de la bouche de captage au conteneur afin d'y être stockés préliminairement jusqu'à leur déchargement.For this purpose, a connecting piece 28 is connected to the outlet 23. Again, this piece 28 may have a round section, preferably oval, allowing, on the one hand, to achieve a relatively narrow exit to increase the impact surface in the sensing mouth 21 available for sparks and, secondly, to create a seamless transition between the portion 21 forming the sensing mouth and the connecting piece 28 and between the latter and a flexible pipe forming a conduit 29 for disposal of waste to a container placed on the rail vehicle. In addition, the railway vehicle respectively the container comprises suitable filters and means for depressing the portion 21 forming a collection mouth connected by the connecting piece 28 and the duct 29 to the portion 21. The grinding waste and in particular, the incandescent chips mainly forming the spark jet 40 are thus sucked, deflected and conveyed from the collection mouth to the container for preliminary storage until unloading.

Dans une autre forme d'exécution non représentée aux figures, il est concevable de réaliser les moyens de transport de déchets à l'aide des moyens mécaniques au lieu d'un convoyeur aspirateur qui nécessite des moyens de mise en dépression. Dans ce cas, la sortie 23 serait placée en bas du capteur de déchets 20 de manière à ce que les particules du jet d'étincelles, une fois qu'ils sont captés dans la partie 21 formant la bouche de captage sans former des agglomérations, tombent en bas sous l'effet de la gravité et sont convoyées vers le conteneur, par exemple avec un convoyeur à courroie ou d'autres moyens mécaniques équivalents. Cela montre qu'il est essentiel que le dispositif selon la présente invention comporte un capteur de déchets 20 ayant une surface adaptée à réceptionner les particules du jet d'étincelles 40 sans formation d'agglomérations sur cette surface et que ce capteur 20 est en coopération avec des moyens de transport de déchets en vue de leur élimination.In another embodiment not shown in the figures, it is conceivable to realize the waste transport means using mechanical means instead of a vacuum conveyor which requires vacuum means. In this case, the outlet 23 would be placed at the bottom of the waste sensor 20 so that the particles of the jet of sparks, once they are captured in the portion 21 forming the collection mouth without forming agglomerations, fall down under the effect of gravity and are conveyed to the container, for example with a conveyor belt or other equivalent mechanical means. This shows that it is essential that the device according to the present invention comprises a waste sensor 20 having a surface adapted to receive the particles of the spark jet 40 without forming agglomerations on this surface and that this sensor 20 is in cooperation with means of transporting waste for disposal.

Pour revenir aux moyens de réflexion et d'absorption d'énergie cinétique et thermique, il est à noter qu'il est préférable qu'ils incluent, à part le matériau et la forme spécifique, encore d'autres mesures empêchant l'adhésion de matière à l'intérieur du capteur 20. En outre, ils comprennent de préférence un dispositif de refroidissement d'au moins une partie des parois intérieures du capteur de déchets 20, notamment de la partie 21 formant la bouche de captage. Ce dispositif de refroidissement peut notamment comprendre un refroidissement par eau et/ou air, comme cela est montré à titre d'exemple à la figure 3. Ici, le tube en céramique 24 respectivement les parois intérieures de la partie 21 formant une bouche de captage sont refroidis à eau à l'aide de plusieurs canaux traversant qui sont alimentés aux embouts latéraux 27 situés de chaque coté de la partie 21 voire du tube 24, comme cela est représenté schématiquement à la figure 4.To return to the means of reflection and absorption of kinetic and thermal energy, it should be noted that it is preferable that they include, apart from the material and the specific form, still other measures preventing the adhesion of In addition, they preferably comprise a device for cooling at least a portion of the inner walls of the waste sensor 20, in particular of the portion 21 forming the collection mouth. This cooling device can in particular comprise cooling by water and / or air, as is shown by way of example in FIG. figure 3 . Here, the ceramic tube 24 respectively the inner walls of the portion 21 forming a collection mouth are water cooled with the aid of several through channels which are fed to the side tips 27 located on each side of the part 21 or the tube 24, as shown schematically in the figure 4 .

Les moyens de réflexion et d'absorption d'énergie cinétique et thermique peuvent également comprendre des buses à air et/ou à eau. Ces buses sont normalement placées dans les embouts latéraux 27 et peuvent être utilisées, d'une part, comme gicleurs d'eau sur le jet d'étincelles de manière à abaisser l'énergie des particules du jet par la vaporisation de l'eau afin de refroidir le jet d'étincelles. L'énergie des particules de métal incandescentes peut ainsi être suffisamment diminuée pour contribuer efficacement à éviter leur agglomération dans la partie 21 formant une bouche de captage. D'autre part, ces buses peuvent servir à créer un flux d'air irrégulier à l'intérieur de cette partie 21, notamment dans la zone d'impact du jet d'étincelles, contribuant également à l'action empêchant des dépôts de déchets dans la partie 21.The means of reflection and absorption of kinetic and thermal energy may also comprise air and / or water nozzles. These nozzles are normally placed in the side tips 27 and can be used, on the one hand, as water jets on the spark stream so as to lower the energy of the jet particles by the vaporization of the water to cool the jet of sparks. The energy of the incandescent metal particles can thus be sufficiently reduced to effectively contribute to preventing their agglomeration in the portion 21 forming a collection mouth. On the other hand, these nozzles can be used to create an irregular flow of air inside this part 21, especially in the impact zone of the spark jet, also contributing to the action preventing waste deposits. in part 21.

Finalement, les moyens de réflexion et d'absorption d'énergie cinétique et thermique peuvent comprendre un dispositif de vibration facilitant le décrochage et l'aspiration des accumulations de matière sur les parois intérieures du capteur de déchets. Ainsi, des vibreurs peuvent être prévus sur le capteur 20 et notamment la partie 21 afin de faciliter le décrochage des petits points de départ d'agglomération de matière qui se seraient formés malgré les autres mesures précitées.Finally, the means of reflection and absorption of kinetic and thermal energy may comprise a vibration device facilitating the stall and aspiration of accumulations of material on the inner walls of the waste sensor. Thus, vibrators may be provided on the sensor 20 and in particular the portion 21 to facilitate the unhooking of the small points of agglomeration of material that would have formed despite the other measures mentioned above.

Il est évident que l'homme du métier saurait transposer ces principes à toute unité de meulage 2 ayant soit plusieurs meules abrasives 3 soit un capteur de déchets 20 d'une forme différente, par exemple avec des bouches de captage 21 séparées pour chaque meule 3 ou une seule grande bouche 21 pour plusieurs meules abrasives.It is obvious that those skilled in the art would be able to translate these principles to any grinding unit 2 having either several abrasive grinding wheels 3 or a waste sensor 20 of a different shape, for example with separate collecting ports 21 for each grinding wheel 3 or a single large mouth 21 for several abrasive wheels.

Comme déjà mentionné ci-dessus, le capteur de déchets de meulage 20 est monté, comme l'unité de meulage 2 avec la meule 3, sur le berceau 5, de manière à ce que la partie 21 formant une bouche de captage placée en face de la meule abrasive 3 suive les mouvements de l'unité de meulage 2 nécessaires pour un résultat optimal de rectification des rails. Il est pourtant avantageux de prévoir la possibilité que le capteur de déchets 20 puisse varier sa hauteur par rapport à la meule abrasive 3 sur l'unité de meulage 2, ceci en fonction de l'inclinaison de la meule 3 et des conditions de travail pour le reprofilage du rail 1.As already mentioned above, the grinding waste sensor 20 is mounted, as the grinding unit 2 with the grinding wheel 3, on the cradle 5, so that the portion 21 forming a collection mouth placed in front abrasive wheel 3 follows the movements of the grinding unit 2 necessary for an optimal result of grinding of the rails. It is however advantageous to provide the possibility that the waste sensor 20 can vary its height with respect to the abrasive wheel 3 on the grinding unit 2, this depending on the inclination of the grinding wheel 3 and the working conditions for the reprofiling of the rail 1.

En effet, il est souvent le cas dans les dispositifs de reprofilage des rails de chemins de fer que le point de pivotement voire l'axe de rotation 7 de la meule abrasive 3 se trouve en dessus du rail 1, comme c'est illustré schématiquement à la figure 5. Cet axe de rotation 7 est normalement stationnaire par rapport au rail 1, ce qui implique que l'asservissement assurant une force d'application suffisante de la meule 3 contre un rail 1 doit faire rétracter la meule 3 vers le haut en cas d'inclinaison de la meule 3 afin de travailler sur une autre partie de la surface du rail 1. La distance d1 voire d2 entre le plan de contact entre la meule 3 et le rail 1 et l'axe de rotation 7 du berceau 5 varie par conséquent en hauteur en fonction de l'inclinaison de la meule abrasive 3. Puisque le capteur de déchets 20 est aussi monté sur le berceau 5, la rétraction de la meule abrasive 3 par l'asservissement a pour conséquence un léger mouvement relatif entre la meule 3 et le capteur 20, notamment sa partie 21 formant une bouche de captage. Afin de pouvoir s'adapter à cette variation, le capteur de déchets 20 est monté sur le berceau 5 de manière à pouvoir prendre différentes positions en hauteur par rapport à l'axe de rotation 7 du berceau 5. A cet effet, le capteur 20 est monté sur un guidage linéaire 30 avec un vérin 31 incorporé. Le vérin 31 voire le capteur 20 est alors positionnable en hauteur par exemple à l'aide d'un système de butées rabattables 32 ou tout autre moyen adapté à cette fonctionnalité. De préférence, à chaque angle d'inclinaison de la meule abrasive 3 est attribuée une position en hauteur du capteur de déchets 20 correspondant. Ceci est normalement fait de manière discrète, c'est-à-dire que toute la plage d'angle d'inclinaison de la meule 3 est divisée par un certain nombre de positions en hauteur disponible pour le capteur 20 afin de réduire le nombre de positions nécessaires et de faciliter la construction du dispositif. La figure 5 montre schématiquement comment le capteur 20 est monté en hauteur de la distance d1-d2 à la suite de l'inclinaison de la meule abrasive 3 pour travailler sur une autre partie de la surface du rail 1.Indeed, it is often the case in reprofiling devices railroad rails that the pivot point or the axis of rotation 7 of the abrasive wheel 3 is above the rail 1, as shown schematically. at the figure 5 . This axis of rotation 7 is normally stationary with respect to the rail 1, which implies that the servocontrol ensuring a sufficient application force of the grinding wheel 3 against a rail 1 must retract the grinding wheel 3 upwards in case of inclination of the grinding wheel 3 in order to work on another part of the surface of the rail 1. The distance d 1 or even d 2 between the plane of contact between the grinding wheel 3 and the rail 1 and the axis of rotation 7 of the cradle 5 varies by Therefore, since the waste sensor 20 is also mounted on the cradle 5, the retraction of the abrasive wheel 3 by the servocontrol results in a slight relative movement between the grinding wheel. 3 and the sensor 20, in particular its portion 21 forming a collection mouth. In order to adapt to this variation, the waste sensor 20 is mounted on the cradle 5 so as to be able to assume different positions in height relative to the axis of rotation 7 of the cradle 5. For this purpose, the sensor 20 is mounted on a linear guide 30 with a cylinder 31 incorporated. The cylinder 31 or the sensor 20 is then positionable in height for example by means of a system of folding stops 32 or any other means adapted to this functionality. Preferably, at each inclination angle of the grinding wheel 3 is assigned a height position of the corresponding waste sensor 20. This is normally done in a discrete manner, i.e. the entire tilting angle range of the grinding wheel 3 is divided by a number of available height positions for the sensor 20 to reduce the number of necessary positions and to facilitate the construction of the device. The figure 5 shows schematically how the sensor 20 is mounted in height by the distance d 1 -d 2 following the inclination of the abrasive wheel 3 to work on another part of the surface of the rail 1.

De façon générale, l'axe géométrique du jet principal des déchets émis lors de l'opération de cette meule abrasive 3 tombe ainsi toujours sensiblement dans le centre géométrique de l'entrée 22 de ladite bouche de captage 21 du fait que la partie 21 formant une bouche de captage d'un capteur de déchets de meulage 20 est orientable en fonction de la position d'une meule abrasive d'une unité de reprofilage. La partie 21 formant une bouche de captage d'un capteur de déchets de meulage est, dans la forme d'exécution illustrée aux figures, notamment ajustable verticalement par rapport au plan des rails 1 de la voie de chemin de fer. Selon le même principe, elle pourrait également être ajustable horizontalement le long du rail 1.In general, the geometrical axis of the main jet of the waste emitted during the operation of this abrasive wheel 3 thus always falls substantially in the geometric center of the inlet 22 of said collection mouth 21 because the part 21 forming a capture mouth of a grinding waste sensor 20 is adjustable according to the position of an abrasive grinding wheel of a grinding unit reprofiling. Part 21 forming a collection mouth of a grinding waste sensor is, in the embodiment illustrated in the figures, in particular vertically adjustable relative to the plane of the rails 1 of the railway track. According to the same principle, it could also be horizontally adjustable along the rail 1.

Une autre possibilité pour assurer l'efficacité optimale du dispositif en ce qui concerne la quantité de déchets évacuée consiste dans la gestion de l'axe géométrique 41 du jet principal 40 des déchets émis lors de l'opération d'une meule abrasive 3 d'une unité de reprofilage 2: En effet, cet axe géométrique 41 peut être orienté lors de l'opération du dispositif de manière à ce que cet axe 41 du jet 40 tombe toujours sensiblement dans le centre géométrique d'une partie 21 formant une bouche de captage d'un capteur de déchets de meulage 20. Cette constellation est représentée schématiquement à la figure 6. Normalement, la surface abrasive d'une meule 3 est en contact avec la surface du rail 1 le long d'une génératrice g1 respectivement g2. L'axe géométrique du jet d'étincelles correspondant est simplement la tangente t1 respectivement t2 à la circonférence de la meule 3 au point d'intersection de la circonférence avec la génératrice en question. Le bon positionnement latéral de la meule abrasive 3 par rapport au rail 1 en fonction de l'inclinaison de la meule 3 peut alors être utilisé pour gérer la direction du jet d'étincelles 40 vers le capteur de déchets 20, notamment dans le plan horizontal, dans le but de capter le plus de déchets et ainsi d'augmenter l'efficacité du dispositif.Another possibility for ensuring the optimal efficiency of the device as regards the quantity of waste discharged consists in the management of the geometric axis 41 of the main jet 40 of the waste emitted during the operation of an abrasive grinding wheel 3. a reprofiling unit 2: Indeed, this geometric axis 41 can be oriented during the operation of the device so that this axis 41 of the jet 40 always falls substantially in the geometric center of a portion 21 forming a mouth of capture of a grinding waste sensor 20. This constellation is shown schematically in FIG. figure 6 . Normally, the abrasive surface of a grinding wheel 3 is in contact with the surface of the rail 1 along a generatrix g 1 respectively g 2 . The geometric axis of the corresponding spark jet is simply the tangent t 1 and t 2 respectively at the circumference of the grinding wheel 3 at the intersection point of the circumference with the generator in question. The correct lateral positioning of the abrasive wheel 3 with respect to the rail 1 as a function of the inclination of the grinding wheel 3 can then be used to manage the direction of the spark jet 40 towards the waste sensor 20, in particular in the horizontal plane. , in order to capture the most waste and thus increase the efficiency of the device.

C'est à cette fin que les plaques 8 sont fixées par les lames ressort 9 mentionnées plus haut entre le support 11 et le berceau 5. Le berceau 5 portant l'unité de meulage 2 peut ainsi être déplacé à l'aide du vérin 10 dans une direction sensiblement orthogonale à la direction des rails 1, comme cela ressort de la figure 1. Les vérins 10 sont, par exemple, équipés d'un système de mesure logé dans leurs tiges en vue du réglage de la position requise du berceau 5. En rapprochant ou éloignant latéralement l'unité de meulage 2 des rails 1, en combinaison avec des mouvements en hauteur de la meule abrasive 3 par son asservissement ou une inclinaison de la meule 3, la ligne de contact entre la meule 3 et le rail 1 et ainsi la direction du jet d'étincelles 40 peuvent être gérées de manière à ce que ce dernier tombe sensiblement dans le centre géométrique de l'entrée 22 de la partie 21 formant une bouche de captage. L'axe géométrique 41 dudit jet 40 émanant d'une meule abrasive 3 est alors ajustable par déplacement de cette meule, ce qui permet de diriger le jet d'étincelles 40 dans un sens voulu. Le positionnement latéral de la meule 3 pour gérer la direction du jet d'étincelles 40 ne touche en contrepartie en rien à la qualité de la rectification du rail puisque cela sera toujours la même partie déterminée de la surface du rail 1 qui est meulée, seulement le long d'une autre génératrice, alors une géométrie différente.It is for this purpose that the plates 8 are fixed by the spring blades 9 mentioned above between the support 11 and the cradle 5. The cradle 5 carrying the grinding unit 2 can thus be moved by means of the jack 10 in a direction substantially orthogonal to the direction of the rails 1, as is apparent from the figure 1 . The cylinders 10 are, for example, equipped with a measuring system housed in their rods for the purpose of adjusting the required position of the cradle 5. By bringing the grinding unit 2 closer to or laterally away from the rails 1, combination with movements in height of the abrasive wheel 3 by its servocontrol or inclination of the grinding wheel 3, the line of contact between the grinding wheel 3 and the rail 1 and thus the direction of the jet of sparks 40 can be managed so as to that the latter falls substantially in the geometric center of the inlet 22 of the portion 21 forming a collection mouth. The geometric axis 41 of said jet 40 emanating from an abrasive grinding wheel 3 is then adjustable by displacement of this grinding wheel, which makes it possible to direct the jet of sparks 40 in a desired direction. The lateral positioning of the grinding wheel 3 to manage the direction of the jet of sparks 40 in no way affects the quality of the grinding of the rail since this will always be the same determined part of the surface of the rail 1 which is ground, only along another generator, then a different geometry.

Les deux possibilités décrites ci-dessus pour augmenter l'efficacité du dispositif en ce qui concerne la quantité de déchets évacuée concernent de façon abstraite la position relative entre une meule abrasive 3 d'une unité de reprofilage 2 et une bouche de captage 21 d'un capteur de déchets de meulage 20. Pour achever ce but, cette position relative doit être variable de manière à ce que l'axe géométrique 41 du jet principal 40 des déchets émis lors de l'opération de la meule abrasive 3 tombe toujours sensiblement dans le centre géométrique de l'entrée 22 de la bouche de captage 21 correspondante. Ce but peut être achevé non seulement par les mesures mentionnées ci-dessus respectivement leur combinaison, mais par toute autre mesure ayant le même effet. Par exemple, la partie 21 formant une bouche de captage pourrait dans une autre forme d'exécution être réalisée comme une tête mobile permettant d'orienter son entrée vers le jet d'étincelles.The two possibilities described above for increasing the efficiency of the device with regard to the quantity of waste evacuated relate abstractly to the relative position between an abrasive wheel 3 of a reprofiling unit 2 and a collection mouth 21. a grinding waste sensor 20. To achieve this goal, this relative position must be variable so that the geometric axis 41 of the main jet 40 of the waste emitted during the operation of the grinding wheel 3 still falls substantially in the geometric center of the inlet 22 of the corresponding sensing mouth 21. This purpose may be completed not only by the measures mentioned above, respectively their combination, but by any other measure having the same effect. For example, the portion 21 forming a catchment mouth could in another embodiment be made as a movable head for directing its entrance to the spark jet.

Il est encore à noter que notamment le déplacement vertical du capteur de déchets 20 le long du guidage linéaire 30 à l'aide du vérin 31 est également utile dans le cas où un obstacle sur les rails doit être contourné, nécessitant par exemple l'enlèvement momentané du capteur par un mouvement vertical.It should also be noted that in particular the vertical displacement of the waste sensor 20 along the linear guide 30 by means of the jack 31 is also useful in the case where an obstacle on the rails must be bypassed, for example requiring the removal Momentary sensor by a vertical movement.

La description détaillée ci-devant montre que par les mesures apportées à un dispositif de reprofilage selon la présente invention, on obtient en particulier l'évacuation des particules lourdes comprises dans le jet d'étincelles qui est réceptionné, dévié et ensuite convoyé dans un conteneur en vue de l'élimination des déchets de meulage dans les règles de l'art. Ainsi, l'évacuation de presque l'ensemble des déchets de meulage générés par la rectification des rails de chemins de fer par meulage est rendue possible et la compatibilité écologique de la rectification des rails est améliorée. Simultanément avec le jet d'étincelles, la source de danger qu'il représente pour le personnel en charge du dispositif de reprofilage est éliminée. D'ailleurs, les autres composants du dispositif mis à part la meule abrasive et le capteur de déchets sont thermiquement beaucoup moins sollicités ce qui prolonge leur durée de vie.The detailed description above shows that by the measurements made to a reprofiling device according to the present invention, in particular the evacuation of the heavy particles included in the jet of sparks which is received, deviated and then conveyed into a container. with a view to the elimination of grinding waste in the state of the art. Thus, the evacuation of almost all the grinding waste generated by the grinding of railway rails by grinding is made possible and the ecological compatibility of the grinding of rails is improved. Simultaneously with the spark jet, the source of danger it represents for the personnel in charge of the reprofiling device is eliminated. Moreover, the other components of the device apart from the abrasive wheel and the waste sensor are thermally much less stressed which prolongs their service life.

Claims (13)

  1. Device for the continuous reprofiling of rails (1) of railroad tracks, including at least one abrasive rail reprofiling unit (2) guided along a railroad track and comprising at least one abrasive disc (3) that can be pressed against the rails (1), and additionally including means for transporting the waste and at least one abrasive-waste pickup (20) comprising at least one segment forming a collection port (21), said segment being placed in the immediate vicinity of at least one abrasive disc (3) and into the geometric axis (41) of the major waste jet (40) produced during operation of this abrasive disc, this segment (21) simultaneously cooperating with said means for transporting the waste, characterized in that each waste pickup (20) comprises means for reflecting and absorbing the kinetic and thermal energy, allowing the formation of agglomerations of matter on said pickup to be avoided, said means for reflecting and absorbing the kinetic and thermal energy comprising a cladding (24) of at least one part of the inner walls of the waste pickup (20) with a material adapted to avoid the formation of agglomerations of matter on its surface, and in that said material is a ceramic material.
  2. Device according to claim 1, characterized in that the means for reflecting and absorbing the kinetic and thermal energy comprise at least one segment having a smooth shape and/or a curved cross section adapted to avoid the formation of agglomerations of matter on its surface.
  3. Device according to claim 1 or 2, characterized in that the means for reflecting and absorbing the kinetic and thermal energy comprise a device for cooling at least one part of the inner walls of the waste pickup.
  4. Device according to the preceding claim, characterized in that the device for cooling comprises a cooling by water and/or by air (26).
  5. Device according to one of claims 1 to 4, characterized in that the means for reflecting and absorbing the kinetic and thermal energy comprise air and/or water nozzles.
  6. Device according to one of claims 1 to 5, characterized in that the means for reflecting and absorbing the kinetic and thermal energy comprise a vibrating device facilitating the detachment and conveying of accumulations of matter on the inner walls of the waste pickup.
  7. Device according to one of the preceding claims, characterized in that each waste pickup (20) is connected with a sucking device adapted to convey the abrasive waste from the collection port (21) to a waste storage device.
  8. Device according to one of claims 1 to 7, characterized in that each waste pickup (20) cooperates with means of mechanical transport adapted to convey the abrasive waste from the collection port (21) to a waste storage device.
  9. Device according to one of the preceding claims, characterized in that the relative positions of an abrasive disc (3) of a reprofiling unit (2) and a collection port (21) of an abrasive-waste pickup (20) are variable in such a way that the geometric axis (41) of the major waste jet (40) produced during operation of this disc (3) essentially falls into the geometric centre of the corresponding collection port (21).
  10. Device according to the preceding claim, characterized in that the segment forming a collection port (21) of an abrasive-waste pickup (20) can be oriented as a function of the position of an abrasive disc (3) of a reprofiling unit (2) in such a way that the geometric axis (41) of the major waste jet (40) produced during operation of this abrasive disc (3) essentially falls into the geometric centre of said collection port (21).
  11. Device according to the preceding claim, characterized in that the segment forming a collection port (21) of an abrasive-waste pickup (20) can be adjusted in a direction vertical with respect to the plane of the rails (1).
  12. Device according to one of the preceding claims 9 to 11, characterized in that the geometric axis (41) of the major waste jet (40) produced during operation of an abrasive disc (3) of a reprofiling unit (2) can be oriented in such a way that the geometric axis (41) of this jet essentially falls into the geometric centre of a segment forming a collection port (21) of an abrasive-waste pickup (20).
  13. Device according to the preceding claim, characterized in that the geometric axis (41) of said jet (40) coming from an abrasive disc (3) can be adjusted by displacing this disc (3).
EP06018155A 2005-09-16 2006-08-31 Device for reprofiling of raiway rail including collecting refuse Not-in-force EP1764443B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH01521/05A CH698609B1 (en) 2005-09-16 2005-09-16 Device for reshaping railway rails with waste collection.

Publications (2)

Publication Number Publication Date
EP1764443A1 EP1764443A1 (en) 2007-03-21
EP1764443B1 true EP1764443B1 (en) 2008-05-14

Family

ID=35892247

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06018155A Not-in-force EP1764443B1 (en) 2005-09-16 2006-08-31 Device for reprofiling of raiway rail including collecting refuse

Country Status (13)

Country Link
US (1) US7322879B2 (en)
EP (1) EP1764443B1 (en)
JP (1) JP5021266B2 (en)
KR (1) KR101266821B1 (en)
CN (1) CN1932152B (en)
AT (1) ATE395467T1 (en)
CH (1) CH698609B1 (en)
DE (1) DE602006001177D1 (en)
DK (1) DK1764443T3 (en)
ES (1) ES2306334T3 (en)
HK (1) HK1097580A1 (en)
SG (1) SG131064A1 (en)
TW (1) TWI365243B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5508753B2 (en) * 2009-04-10 2014-06-04 東鉄工業株式会社 Rail rust removal machine
CN102230310B (en) * 2011-06-17 2012-12-05 北京二七轨道交通装备有限责任公司 Fireguard device and rail grinding wagon
CN103015279B (en) * 2013-01-11 2014-09-10 成都市新筑路桥机械股份有限公司 High-speed grinding train for rails
CN104612005B (en) * 2013-11-04 2017-02-22 中国铁建高新装备股份有限公司 Machining method for re-forming rail head contour
CN104404846B (en) * 2014-11-17 2017-02-01 南京宏典轨道装备有限公司 Rail grinding machine
KR101657239B1 (en) 2015-05-18 2016-09-19 한국철도기술연구원 Apparatus for removing damage of rail
US9708777B2 (en) * 2015-08-24 2017-07-18 Stanley Black & Decker, Inc. Railroad track tool apparatus
DE202017103078U1 (en) * 2017-05-22 2017-06-21 Robel Bahnbaumaschinen Gmbh Manually slidable rail grinder on rails of a track
CN110153966A (en) * 2018-02-13 2019-08-23 苏州宝时得电动工具有限公司 Hand held power machine
DE102021205190A1 (en) 2021-05-20 2022-11-24 Hyperion Verwaltung Gmbh Working machine and method for reducing the formation of dust during track construction work
CN114875729B (en) * 2022-04-08 2024-02-02 中铁第四勘察设计院集团有限公司 Self-adaptive waste recycling system and method for water jet steel rail grinding wagon
CN115418898A (en) * 2022-08-23 2022-12-02 中铁五局集团路桥工程有限责任公司 Steel rail rust removing device
DE102022129601B4 (en) * 2022-11-09 2024-05-23 Schweerbau International Gmbh & Co. Kg Extraction device for particles during machining of rail tracks

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3096933A (en) * 1961-03-29 1963-07-09 Bora Ion Portable fume exhaust fan apparatus
US3525183A (en) * 1967-07-17 1970-08-25 Dayton Progress Corp Dust collector
JPS5644517A (en) * 1979-09-19 1981-04-23 Babcock Hitachi Kk Chute for feeding substances to be incinerated in furnace for incinerating ash of heavy crude oil
CH625848A5 (en) * 1979-12-31 1981-10-15 Speno International
JPS5820219A (en) * 1981-07-29 1983-02-05 Hitachi Ltd Dust collecting apparatus
US4523411A (en) * 1982-12-20 1985-06-18 Minnesota Mining And Manufacturing Company Wet surface treating device and element therefor
US4583327A (en) * 1983-11-25 1986-04-22 Jackson Jordan, Inc. Rail grinding car
CH671595A5 (en) 1987-05-14 1989-09-15 Speno International Railway line rectifier - has filtering system with fan to remove and separate abrasive and metal particles
AU7151791A (en) * 1990-01-12 1991-08-05 Loram Maintenance Of Way, Inc. Rail grinding machine spark and dust suppression apparatus
US5111624A (en) * 1990-09-10 1992-05-12 Loram Maintenance Of Way, Inc. Method and apparatus for limiting the dispersion of rail grinding machine spark and dust residue
CH689642A5 (en) * 1994-02-18 1999-07-30 Speno International An installation for reprofiling the rails of a railway.
CH689643A5 (en) * 1994-02-18 1999-07-30 Speno International An installation for reprofiling the rails of a railway.
DE4437541C2 (en) * 1994-10-20 1998-08-20 Elektro Thermit Gmbh Grinding machine
JPH08323624A (en) * 1995-06-05 1996-12-10 Dainaka Seiki Kk Collected dust treatment device and its method
CH690963A5 (en) * 1996-12-20 2001-03-15 Speno Internat S A A device for finishing the reprofiling means and continuously from the surface of the head of at least one rail of a railway track.
JPH10201680A (en) * 1997-01-27 1998-08-04 Naotaka Nakamura Water tank cleaning tool
US5941766A (en) * 1997-11-24 1999-08-24 Iversen; Edward P. Dust collector
EP1163393B1 (en) * 1999-03-25 2004-10-27 Wilfried Scherf Arrangement of grinding modules with grinding tools in track grinders
JP3849060B2 (en) * 1999-08-11 2006-11-22 英喜 善明 Ceramic plate mounting structure and method
AT411912B (en) * 2000-07-17 2004-07-26 Linsinger Maschinenbau Gmbh METHOD FOR GRINDING A RAIL AND DEVICE FOR IMPLEMENTING THE METHOD
US6719616B2 (en) * 2000-09-08 2004-04-13 Loram Maintenance Of Way, Inc. Rail grinding apparatus
DE20210021U1 (en) * 2002-06-28 2002-11-14 Robel Bahnbaumaschinen Gmbh grinding machine

Also Published As

Publication number Publication date
ES2306334T3 (en) 2008-11-01
JP5021266B2 (en) 2012-09-05
CN1932152B (en) 2011-07-13
US7322879B2 (en) 2008-01-29
DK1764443T3 (en) 2008-08-25
US20070066193A1 (en) 2007-03-22
SG131064A1 (en) 2007-04-26
CH698609B1 (en) 2009-09-15
TW200726874A (en) 2007-07-16
HK1097580A1 (en) 2007-06-29
DE602006001177D1 (en) 2008-06-26
TWI365243B (en) 2012-06-01
KR101266821B1 (en) 2013-05-23
JP2007083393A (en) 2007-04-05
EP1764443A1 (en) 2007-03-21
KR20070032244A (en) 2007-03-21
ATE395467T1 (en) 2008-05-15
CN1932152A (en) 2007-03-21

Similar Documents

Publication Publication Date Title
EP1764443B1 (en) Device for reprofiling of raiway rail including collecting refuse
FR2826058A1 (en) SUCTION DEVICE FOR THE COMBUSTION AIR OF A THERMAL ENGINE OF A HAND-OPERATED TOOL
EP3814017B1 (en) Window glass fragmentation device
CA3134070C (en) Braking system with air blowing in the groove in the lining
CA2835359C (en) Nozzle for spraying dry ice, notably dry ice made from carbon dioxide
WO2015040181A1 (en) Method for recovering machining waste by input of energy and machining machine comprising a waste recovery system
EP2755800B1 (en) Device for spraying dry ice, particularly frozen carbon dioxide
FR2699197A1 (en) Machine for sucking ballast from a track ballast bed.
EP0561679B1 (en) Semi-portable device and installation for distributing granular material
BE1027856B1 (en) Leveling system and method
CH671595A5 (en) Railway line rectifier - has filtering system with fan to remove and separate abrasive and metal particles
EP0070359B1 (en) Apparatus for breaking down the grinding dust of a railway carriage provided with units for grinding rails
FR2862934A1 (en) Railway vehicle e.g. rail motor engine, has downstream and upstream air intake ducts to cast abrasive material away from contact point of wheel and rail and to provide kinetic energy to abrasive material to clean rail/wheel
FR2999196A1 (en) Cleaning head for use in cleaning machine for cleaning rail track in railway station, has wall structure whose base wall connects front and rear walls, where front and rear walls are located adjacent to air blow and air intake openings
EP2497601B1 (en) System for treating an inner surface of a conduit by spraying particles
FR2685366A1 (en) Supported device for roadway and industrial cleaning
CN105088992A (en) Inner ditch belt type sweeper
BE1018862A5 (en) GRILLEILLAGE APPARATUS AND METHOD OF GRILLING.
BE536699A (en)
FR2726301A1 (en) Motor vehicle with street sweeping and waste collection facilities
WO1997034791A1 (en) Interchangeable drawer for railway maintenance and repair installation
EP0091353A1 (en) Method and apparatus for increasing and realizing heat exchanges on a pulverulent material having a large granulometric distribution

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR MK YU

REG Reference to a national code

Ref country code: HK

Ref legal event code: DE

Ref document number: 1097580

Country of ref document: HK

17P Request for examination filed

Effective date: 20070709

17Q First examination report despatched

Effective date: 20070912

AKX Designation fees paid

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REF Corresponds to:

Ref document number: 602006001177

Country of ref document: DE

Date of ref document: 20080626

Kind code of ref document: P

REG Reference to a national code

Ref country code: CH

Ref legal event code: NV

Representative=s name: MICHELI & CIE SA

REG Reference to a national code

Ref country code: HK

Ref legal event code: GR

Ref document number: 1097580

Country of ref document: HK

REG Reference to a national code

Ref country code: DK

Ref legal event code: T3

REG Reference to a national code

Ref country code: SE

Ref legal event code: TRGR

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080514

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2306334

Country of ref document: ES

Kind code of ref document: T3

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080514

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080514

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080914

REG Reference to a national code

Ref country code: IE

Ref legal event code: FD4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080514

Ref country code: IE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080514

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080514

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080514

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080514

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20081014

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20080831

26N No opposition filed

Effective date: 20090217

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080514

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080814

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20080831

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20081115

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080514

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080514

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080815

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 11

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 12

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 13

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 20210819

Year of fee payment: 16

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20210830

Year of fee payment: 16

Ref country code: FI

Payment date: 20210820

Year of fee payment: 16

Ref country code: AT

Payment date: 20210820

Year of fee payment: 16

Ref country code: FR

Payment date: 20210819

Year of fee payment: 16

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 20210819

Year of fee payment: 16

Ref country code: CH

Payment date: 20210830

Year of fee payment: 16

Ref country code: BE

Payment date: 20210819

Year of fee payment: 16

Ref country code: DE

Payment date: 20210819

Year of fee payment: 16

Ref country code: DK

Payment date: 20210823

Year of fee payment: 16

Ref country code: GB

Payment date: 20210820

Year of fee payment: 16

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20211025

Year of fee payment: 16

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 602006001177

Country of ref document: DE

REG Reference to a national code

Ref country code: DK

Ref legal event code: EBP

Effective date: 20220831

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

REG Reference to a national code

Ref country code: NL

Ref legal event code: MM

Effective date: 20220901

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 395467

Country of ref document: AT

Kind code of ref document: T

Effective date: 20220831

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20220831

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20220831

Ref country code: FI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20220831

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20220831

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20220831

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20220831

Ref country code: SE

Ref legal event code: EUG

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20220901

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20220831

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20220831

Ref country code: DK

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20220831

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230301

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20220901

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20220831

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20230929

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20220831

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20220901