EP0888230B1 - Intervention device for railway maintenance and repair - Google Patents

Intervention device for railway maintenance and repair Download PDF

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Publication number
EP0888230B1
EP0888230B1 EP97906227A EP97906227A EP0888230B1 EP 0888230 B1 EP0888230 B1 EP 0888230B1 EP 97906227 A EP97906227 A EP 97906227A EP 97906227 A EP97906227 A EP 97906227A EP 0888230 B1 EP0888230 B1 EP 0888230B1
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EP
European Patent Office
Prior art keywords
chassis
tool
axis
platform
intervention
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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EP97906227A
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German (de)
French (fr)
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EP0888230A1 (en
Inventor
Jean-Paul Charbuillet
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Regie Autonome des Transports Parisiens
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Regie Autonome des Transports Parisiens
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Publication of EP0888230A1 publication Critical patent/EP0888230A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D15/00—Other railway vehicles, e.g. scaffold cars; Adaptations of vehicles for use on railways
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D3/00—Wagons or vans
    • B61D3/04—Wagons or vans with movable floors, e.g. rotatable or floors which can be raised or lowered

Definitions

  • the invention relates to installations intervention on railways, and more particularly intervention equipment consisting of an interchangeable drawer intended for equip mobile intervention facilities on tract.
  • Trolley installations are generally specialized by type of intervention, and maintenance of lanes on a specific site requires existence on it site of a fairly large number of carts. Furthermore their weight (several hundred kilograms) makes them difficult to transport from storage to track, this drawback being appreciable in the case of metropolitan railways, when the carts must pass through the corridors and stairs designed for public use during normal network operating hours, and also when it is necessary to transfer them from a platform to the track and vice versa.
  • the object of the invention is to remedy these disadvantages in creating intervention equipment consisting of interchangeable drawers for be installed on an intervention module under the form of a carriage or part of a carriage adapted to wear these intervention devices to enter the constitution, with the intervention apparatus, of a mobile intervention installation, a control in the form of a separate cart with switchgear control gear intervention;
  • the intervention module comprises a frame having, seen from above, a shape in H consisting of a central body and, on both sides ends thereof, of branches substantially perpendicular and equal lengths to determine two notches each extending between the body central and the branches facing each other side of it in order to each receive a intervention equipment, these branches comprising removable attachment means for the apparatus intervention, associated with guiding bodies of sliding belonging to this apparatus.
  • the invention relates to a intervention equipment as defined by the claim 1.
  • this drawer is: easily adaptable to an installation such as the one mentioned above, in which the means of joining removable from intervention equipment to module intervention include guide members sliding adapted to cooperate with those of the drawer.
  • modules in the form of trolleys to be able to perform a wide variety of work, since these modules are not specialized and can be equipped at the request of intervention equipment required. Also, the installation can be easily transported, since on the one hand the modules are removably secured and so can be transported separately, and on the other hand intervention devices are themselves removable by sliding relative to the module.
  • the drawer according to the invention can also be adapted to an intervention module belonging to a trolley formed by the association of several modules, know this intervention module consisting of a chassis in H and two modules constituted respectively by two bearing assemblies provided with rolling members, the H-frame module being placed between and secured removably to these two bearing sets of such so that in case multiple carts must be made up in a row, those immediately following each other have a set of joint turnover, which reduces the costs of material, and thanks to the removability of the sets of rolling compared to H-frames, further decreases the weight of the items to be transported.
  • the drawer and the tools it carries can be positioned laterally relative to the module at any desired place to intervene on the track and in particular on track, always at the best possible location depending on the task accomplish.
  • the support plate of tooling is pivotally mounted relative to the chassis of the drawer, the tool can be folded up and then returned to the original location with a large precision.
  • the tray has a light whose outline delimits the section of a space inside which a tool holder, this tool holder is pivotally mounted by relation to the tool support plate, around an axis parallel to the pivot axis of the plate relative to to the chassis, and moreover, the tool is mounted movable in translation.
  • the correct positioning of the tool by relation to the way can be ensured by means pivoting actuation of the tool holder relative to the tool support plate and by means actuation in translation of the tool, and the pivoting of the tray in relation to the drawer frame can only be used for the retraction of the tool by tilting, without the adjustment tool positioning is lost, or at least without the adjustment having to be completely resumed.
  • the tool holder is fitted with an abrasive tool pivoting relative to the chassis, about an axis orthogonal to the direction of the sliding movement of the drawer frame, which is none other than the axis of pivoting of the plate relative to this chassis.
  • This feature allows you to work with the abrasive tool inclined laterally to the rail, such that so that it is in contact with this rail on several centimeters in the longitudinal direction of it.
  • an interchangeable drawer 10 equipped as a function of the planned intervention is intended to be installed on an intervention module M here in the form of a carriage whose chassis, seen from above, has a H shape;
  • the central body of the H is constituted by a spar 1, the frame of which comprises elements profiles 2 extending horizontally, parallel to the vertical plane equidistant from the left and right wheels of each set of wheels, front and rear respectively, when the carriage rests on a horizontal floor;
  • this central body carries at each of its two ends, two branches constituted by crosspieces 3 extending laterally on either side of it, whose framework includes tubular sections 4, 5, 6 ( Figure 2); the central body and its four perpendicular branches and substantially equal, therefore determine two notches 7 approximately rectangular on either side of the central body; the branches 3 being facing a same side of the body to determine the notches 7, include removable securing means for intervention drawers 10 in module M, comprising sliding guide members for these drawers, two outer edges of the drawers being themselves endowed sliding guide members
  • each module M is adapted to receive two intervention devices in the form of drawers 10 removable by lateral sliding on both sides other of its spar 1, intended to intervene respectively on the two rails of the railway.
  • drawers 10 must be able to be actuated in lateral sliding with respect to the direction of movement of the carriage M and immobilized at any desired location within a predetermined range locations (an example of a limit position in the lateral direction indicated by an arrow F, east represented by a line L in FIG. 2).
  • each drawer 10 carries actuation means in sliding 11 ( Figures 2 and 4) comprising two cylinders 111 here pneumatic or hydraulic whose axis longitudinal preferably extends in the direction desired for sliding the drawer; the rod each actuator 111 is secured, in a removable manner, via a big end 112 in which is housed an insert 113 having a part of spherical surface forming a ball, to a pivot 114 fixed to a respective cheek 102 of drawer 10; the cylinder of each cylinder 111 is secured, also so removable, by a clevis support 115 and a pivot 116, at profile 2 of the spar which is closest.
  • sliding actuation securing the drawer to trolley are slaved from a control device carried by a control trolley and controlled by computer (not shown).
  • Apparatus supply (also not shown), connected electrically to the control gear, and electrically and pneumatically or / and hydraulically intervention equipment and more specifically motors and cylinders therefor, such as cylinders 111 sliding actuation, are carried by the branches of the trolley, or possibly if it is made up of several modules, by one of the others modules constituting the carriage.
  • the load-bearing structure of each device intervention is a symmetrical drawer chassis by with respect to a central axis extending in the direction of sliding, transverse to the module M therefore to the direction of movement of the carriage along the track.
  • This chassis has a base made up of those plates identical rectangular metallic 103 arranged on the same plane at a distance from each other symmetrically on either side of the central axis with each two edges parallel to this axis and two edges perpendicular to it, connected by a spacer 104 constituting the front face of the drawer extending in the longitudinal direction of the module and constituting thus a side face portion of the latter.
  • the cheeks 102 are themselves rectangular plates standing perpendicular to the base plates 103 above from the upper side of these so that constitute the edges or sides of the drawer; these cheeks are themselves connected by spacers 105 (of which one is shown only in Figure 1 in order to do not overload the other figures), especially at near their upper part.
  • the plates of base, cheeks and spacers, are assembled by screw.
  • the two base plates 103 are arranged at a distance from each other and connected by the front face 104 of the drawer, is determined between them a notch 106 opening on the side of the module side member, whose outline delimits the section of a space prismatic right inside which a tray 12 tool support.
  • the tool support plate 12 includes a metal plate 121 pivotally mounted removable from the frame of drawer 10, around from an axis orthogonal to the axis of symmetry of this chassis therefore to the sliding direction of the drawer, i.e. parallel to the longitudinal axis of the module and to the direction of movement of the carriage.
  • the joining means 13 of the plate 12 to pivotally frame include, on the area back of plate 121 (i.e. region intended to be closest to the longitudinal member of module M), fixed parallel to each other, bearings 131 in the respective and aligned bores of which is adjusted, free in rotation, a cylindrical spindle 132 whose two ends are fixed by screws respectively to two cheeks 102 of the chassis, so that the spindle 132 extends orthogonally to the axis of symmetry of this one, in the vicinity of its base plates 103 and at the opposite of its front face 104; more precisely, the axis longitudinal of spindle 132 around which the plate 12 is mounted swivel is located here a few centimeters above the base plates (about three centimeters) and in front of the posterior edge thereof (about four centimeters).
  • pivoting actuation means 14 comprising two cylinders 141 here preferably pneumatic or possibly hydraulic, themselves pivoting so that their longitudinal axis is approximately perpendicular to the base plates 103 and located approximately halfway between their front edge and their rear edge when the angle of the plate 121 of the plate 12 relative to the base plates 103 is zero; the cylinder of actuating cylinders 141 of the pivoting plate is carried by removable attachment to a respective cheek 102, and their rod is also removably secured to the plate 12 by ball joint members.
  • the fasteners include a support in the form a vertical partition 142 fixed by screws to the cheek, bearing a yoke 143 whose branches carry themselves a pivot 144 whose axis is parallel to that of spindle 132 and to which the cylinder of the jack 141 so that it is movable in a plane perpendicular to the axis of the spindle;
  • the articulation members of the cylinder rod 141 include a foot 145 fixed by screw to the plate 121 of the plate 12, carrying a removable pivot 146 whose axis is parallel to that of pin 132, around which is articulated the rod of the jack 141 by means of a insert 147 having a spherical surface part forming a ball joint housed in a connecting rod head 148 extending the cylinder rod.
  • Control equipment of these cylinders 141 is the same as that of the previous ones, and their power supplies are similar. Thanks to the means 13 for securing the plate to the chassis, with pivoting actuation means 14 and control and supply equipment, the plate 12 is pivotally movable about the axis of pin 132 in a selected range of angles swivel, and can be immobilized at any location desired in this range.
  • the tool is not carried directly by this plate, but is mounted (possibly also indirectly) on a tool holder 15 itself movable relative to it.
  • the base plate 121 of the support plate 12 has a light 122 (fig. 5) of general shape rectangular whose surface constitutes the section of a right prismatic space inside which moves the tool holder and more particularly a plate of base 151 of it, also having the shape general of a rectangle, of dimensions slightly lower than those of light, so that this base plate of the tool holder can take a position in which it is inserted in the light 122 while being approximately centered in the same plane that the base plate 121 of the support plate; the rectangular light 122 is oriented in the plate base of the support plate so that one of its medians (here its large median) is parallel to the axis pivoting of the support plate 12, and the other is orthogonal; when the base plate 151 of the tool holder is inserted into the light as defined more top, one of the medians of the plate is approximately superimposed on that of the light which is orthogonal to the pivot axis of the plate, and the other can be shifted more clearly (a few millimeters) of that of light which is
  • the base plate 151 of the tool holder 15 is itself mounted to pivot about an axis contained in a plane perpendicular to the base plate of the tool support plate and approximately median to light, at the same level above of the base plate of the support plate, which the pivot axis thereof (spindle axis 132) to which it is parallel.
  • Pins 162 each adjusted in a bearing 161 of the plate of the plate and in a bearing 163 of the tool holder plate on the one hand are free to rotate in the first and secondly removably attached to the second; at this end, pins 162 have a shaped head flange adapted to be applied against the bearing 163 of the tool holder plate and to be fixed to it by screws, so that a rotation of the pins 162 causes that of these bearings 163 and thus of the plate 151 of the tool holder 15.
  • the spindles 162 are actuated in rotation by actuation means 17 of the type rod-crank with cylinders 171 mechanical and pitch motors at step 172; more precisely, pin 162 is keyed in a bore of an end region of a crank 173 of which the opposite end region, in the form of yoke, has a bore secured by means of a pivot 174 to the region of the free end of the rod of the jack 171 arranged like a connecting rod and inserted in the screed.
  • the free end of the cylinder 171 is itself articulated to a support 175 by via a pivot 176 inserted in a bore extending in a screed-like part, of this support 175.
  • the longitudinal stroke of the cylinder rod is here of the order of 90 millimeters.
  • the tool is itself actuated in height by translation actuation means 18 comprising one or several mechanical cylinders 181 powered by pitch motors step 182, here two cylinders powered by motors arranged head to tail.
  • the base plate 151 and the tool can rotate around the rail on top of it, in a plane perpendicular to the direction in which extends the track, on an angle of 55 degrees including 35 degrees from the side of the inner side of the rail and 20 degrees on the side of its outer face, and the tool itself can to be approached or distant, whatever its orientation relative to it, for example in steps of 4 or 5 micrometers.
  • the base plate 151 of the tool holder or a integral with the tool itself can wear rail detection means (not shown on the drawings), set to detect when the tool enters contact with the rail or arrive in the immediate vicinity of this one ; these means may for example include a arm extending under the tool holder, carrying by via an articulated finger, a suitable wheel to follow the contour of the rail during the progression of the tool on the surface of it, the articulated finger being associated with a microswitch electrically connected to the control gear so that the tool movement is controlled according to information given by the rail detection means or proximity to it.
  • the intervention module M (trolley or part of trolley), if it is not yet equipped with its drawers 10 (with or without their tray 112 tool support), is provided with these by sliding in its notches lateral 7; always on the same assumption, the sliding actuators 111 are secured to the module and / or drawers depending on whether they were initially disassociated from these two elements, or joined to only one of them. Then, if the trays 12 tool supports were not in place, they are arranged in the notches 106 of the drawers, and secured on the one hand to the pivot pins 132 and on the other hand at the 145 feet for securing the plate 12 with actuators 141 for pivoting actuation.
  • the tool holders 15 provided with their tool are secured to the plate 12 via the pins 162 and bearings 161, 163 fixed on the base plates 121, 151 respective of these elements.
  • the trays 12 tool supports are tilted towards the high as long as the intervention module is not the appropriate place to perform the intervention on the way.
  • the cylinders sliding 111 and pivoting 141 of the plate are actuated to place the tool at a desired location. It only remains to realize approaching the tool by means of actuation 18 in translation of the tool and / or the means 17 actuation in pivoting of the tool holder, and animate if necessary the tool itself of the desired movement (rotational movement for example, in the case of a milling or grinding).
  • the installation itself can be set in motion along the track.
  • the intervention must be interrupted or simply the installation progress on the track should be stopped, it suffices to feed the jacks 141 pivoting actuation of the plate 12, not modifying no other setting, to toggle the latter in the retracted position, and avoid digging rails at the stop location, the platform can be replaced exactly in the same "tackle", and "smooth" position, when and where the desired location, by means of these jacks 141, thanks to the fact that these are pneumatic.
  • the computer program of the control unit can command a return of installation at any point, for a repeating an operation in the same area, if it is detected that the result obtained is not perfect.
  • the advance speed of the installation is regulated according to the rotation speed of abrasives or tools; similarly, the pressure exerted on the tools is controlled by microprocessors which ensure the consistency of all functions.
  • a rectification tool is used with the drawer according to the invention, in the mobile installation appropriate, in combination with a Sufficiently precise rail flatness check, can achieve flatness on the order of three hundredths of a millimeter per meter, on the surface of the tread.
  • the tool holder must be adapted to the operation to be carried out: descaling of the rails, rectification of their surface defects, erasure of their wave wear (for example by means of discs abrasives, diamond grinding wheels, carbide tools or high-speed steel, diamond tools etc. driven by electric, hydraulic, thermal motors, air turbine or other), track suction, high pressure cleaning of this and the rails, rail drawing and reverse engineering, bolting and unbolt, measurement of surface defects, ultrasonic testing, recharging, brushing, tamping, removal of concrete blocks and sleepers, laying of sleepers, or even their reworking.
  • the tool holder can be provided for carrying several tools, and the tool support tray can be designed to carry several tool holders.
  • the fact that the support plates of tools are pivotally mounted relative to the chassis of the drawer, around an axis parallel to the direction in which extends the way, can be applied more particularly and advantageously to the erasure of ripples due to wave wear of the rails.
  • the abrasive tool such that a grinding wheel is pivotally mounted relative to an axis parallel to the plane of symmetry of the rail, and turns at high speed around an axis located in a plane perpendicular to this plane of symmetry, the grinding wheel is in contact with the rail over several centimeters simultaneously, therefore with several peaks of undulations simultaneously, and so the ripples can be gradually removed (in several passes) by clipping from their top to their base; as, according to the invention, the pivot axis of the plate by relation to the drawer frame is precisely parallel in the plane of symmetry of the rail, the condition sought is here realized, and, by the implementation of a tool holder (s) appropriate, the undulations can actually be deleted.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Bearings For Parts Moving Linearly (AREA)

Description

L'invention concerne les installations d'intervention sur les voies ferrées, et plus particulièrement des appareillages d'intervention consistant en un tiroir interchangeable destiné à équiper des installations mobiles d'intervention sur les voies.The invention relates to installations intervention on railways, and more particularly intervention equipment consisting of an interchangeable drawer intended for equip mobile intervention facilities on tract.

Actuellement, l'entretien et la réparation des voies ferrées sont assurés, en fonction des opérations à effectuer, soit par du personnel équipé d'outils ou de machines dits "portables", soit au moyen d'un matériel lourd installé sur un chariot tracté ou automoteur circulant sur la voie.Currently, maintenance and repair of railways are insured, depending on the operations to be carried out either by personnel equipped with tools or so-called "portable" machines, either by means of equipment heavy installed on a towed or self-propelled cart traveling on the track.

Les outils "portables" sont d'un emploi relativement malcommode, car la notion de portabilité recouvre une grande variété d'outils et de machines dont certains sont encombrants et pas aussi légers qu'il serait souhaitable, et cela est précisément le cas dans le domaine ferroviaire ; un exemple caractéristique est celui des machines pour meuler. les joints de rails, lesquelles ne peuvent aboutir à -un résultat conforme aux normes que si leur longueur est de l'ordre du mètre, et dont le poids est nécessairement important compte-tenu de la nature de l'outil lui-même.The "portable" tools are of use relatively awkward because the notion of portability covers a wide variety of tools and machines including some are bulky and not as light as it would be desirable, and this is precisely the case in the railway sector; a typical example is that of grinding machines. rail joints, which cannot lead to a result in accordance with standards only if their length is of the order of a meter, and whose weight is necessarily important given of the nature of the tool itself.

Les installations sur chariot sont généralement spécialisées par type d'intervention, et l'entretien des voies sur un site déterminé nécessite l'existence sur ce site d'un assez grand nombre de chariots. De plus leur poids (plusieurs centaines de kilogrammes) les rend difficiles à transporter de leur lieu d'entreposage à la voie, cet inconvénient étant sensible dans le cas des voies de chemins de fer métropolitains, lorsque les chariots doivent transiter par les couloirs et les escaliers conçus pour être empruntés par le public pendant les heures de fonctionnement normal du réseau, et également lorsqu'il est nécessaire de les transférer d'un quai à la voie et inversement.Trolley installations are generally specialized by type of intervention, and maintenance of lanes on a specific site requires existence on it site of a fairly large number of carts. Furthermore their weight (several hundred kilograms) makes them difficult to transport from storage to track, this drawback being appreciable in the case of metropolitan railways, when the carts must pass through the corridors and stairs designed for public use during normal network operating hours, and also when it is necessary to transfer them from a platform to the track and vice versa.

L'invention a pour but de remédier à ces inconvénients en créant des appareillages d'intervention consistant en des tiroirs interchangeables destinés à être installés sur un module d'intervention sous la forme d'un chariot ou d'une partie de chariot adapté à porter ces appareillages d'intervention pour entrer dans la constitution, avec l'appareillage d'intervention, d'une installation mobile d'intervention, un module de commande sous la forme d'un chariot distinct comportant un appareillage de commande des appareillages d'intervention ; à cette fin, le module d'intervention comporte un châssis présentant, vu de dessus, une forme en H constitué d'un corps central et, de part et d'autre des extrémités de celui-ci, de branches sensiblement perpendiculaires et d'égales longueurs pour déterminer deux échancrures s'étendant chacune entre le corps central et les branches se faisant vis-à-vis d'un même côté de celui-ci afin de recevoir chacune un appareillage d'intervention, ces branches comportant des moyens de solidarisation amovible de l'appareillage d'intervention, associés à des organes de guidage de coulissement appartenant à cet appareillage.The object of the invention is to remedy these disadvantages in creating intervention equipment consisting of interchangeable drawers for be installed on an intervention module under the form of a carriage or part of a carriage adapted to wear these intervention devices to enter the constitution, with the intervention apparatus, of a mobile intervention installation, a control in the form of a separate cart with switchgear control gear intervention; to this end, the intervention module comprises a frame having, seen from above, a shape in H consisting of a central body and, on both sides ends thereof, of branches substantially perpendicular and equal lengths to determine two notches each extending between the body central and the branches facing each other side of it in order to each receive a intervention equipment, these branches comprising removable attachment means for the apparatus intervention, associated with guiding bodies of sliding belonging to this apparatus.

A cet effet, l'invention concerne un appareillage d'intervention tel que défini par la revendication 1.To this end, the invention relates to a intervention equipment as defined by the claim 1.

Grâce à cette structure, ce tiroir est: aisément adaptable à une installation telle que celle évoquée plus haut, dans laquelle les moyens de solidarisation amovible de l'appareillage d'intervention au module d'intervention comprennent des organes de guidage de coulissement adaptés à coopérer avec ceux du tiroir.Thanks to this structure, this drawer is: easily adaptable to an installation such as the one mentioned above, in which the means of joining removable from intervention equipment to module intervention include guide members sliding adapted to cooperate with those of the drawer.

Alors, il suffit d'un faible nombre de modules d'intervention sous la forme de chariots, pour pouvoir exécuter une grande variété de travaux, puisque ces modules ne sont pas spécialisés et peuvent être équipés à la demande des appareillages d'intervention nécessaires. Egalement, l'installation peut être aisément transportée, puisque d'une part les modules sont solidarisés de manière amovible et ainsi peuvent être transportés séparément, et d'autre part les appareillages d'intervention sont eux-mêmes amovibles par coulissement par rapport au module.So just a small number of modules in the form of trolleys, to be able to perform a wide variety of work, since these modules are not specialized and can be equipped at the request of intervention equipment required. Also, the installation can be easily transported, since on the one hand the modules are removably secured and so can be transported separately, and on the other hand intervention devices are themselves removable by sliding relative to the module.

Le tiroir selon l'invention peut aussi bien être adapté à un module d'intervention appartenant à un chariot formé par l'association de plusieurs modules, à savoir ce module d'intervention constitué par un châssis en H et deux modules constitués respectivement par deux ensembles de roulement munis d'organes de roulement, le module à châssis en H étant disposé entre et solidarisé amoviblement à ces deux ensembles de roulement de telle sorte que dans le cas où plusieurs chariots d'intervention doivent être constitués à la file, ceux qui se suivent immédiatement aient un ensemble de roulement en commun, ce qui réduit les coûts de matériel, et grâce à l'amovibilité des ensembles de roulement par rapport aux châssis en H, diminue encore le poids des éléments à transporter.The drawer according to the invention can also be adapted to an intervention module belonging to a trolley formed by the association of several modules, know this intervention module consisting of a chassis in H and two modules constituted respectively by two bearing assemblies provided with rolling members, the H-frame module being placed between and secured removably to these two bearing sets of such so that in case multiple carts must be made up in a row, those immediately following each other have a set of joint turnover, which reduces the costs of material, and thanks to the removability of the sets of rolling compared to H-frames, further decreases the weight of the items to be transported.

Grâce aux moyens d'actionnement en coulissement, le tiroir et l'outillage qu'il porte peuvent être positionnés latéralement par rapport au module à tout endroit désiré pour intervenir sur la voie et notamment sur les rails, en se trouvant à tout moment au meilleur emplacement possible en fonction de la tâche à accomplir.Thanks to the sliding actuation means, the drawer and the tools it carries can be positioned laterally relative to the module at any desired place to intervene on the track and in particular on track, always at the best possible location depending on the task accomplish.

De plus, grâce au fait que le plateau support d'outillage est monté pivotant par rapport au châssis du tiroir, l'outillage peut être escamoté vers le haut et ensuite replacé à l'emplacement initial avec une grande précision.In addition, thanks to the fact that the support plate of tooling is pivotally mounted relative to the chassis of the drawer, the tool can be folded up and then returned to the original location with a large precision.

Selon des caractéristiques de l'invention, le plateau comporte une lumière dont le contour délimite la section d'un espace à l'intérieur duquel se déplace un porte-outil, ce porte-outil est monté pivotant par rapport au plateau support d'outillage, autour d'un axe parallèle à l'axe de pivotement du plateau par rapport au châssis, et de plus, l'outil est monté mobile en translation.According to features of the invention, the tray has a light whose outline delimits the section of a space inside which a tool holder, this tool holder is pivotally mounted by relation to the tool support plate, around an axis parallel to the pivot axis of the plate relative to to the chassis, and moreover, the tool is mounted movable in translation.

Ainsi, le positionnement correct de l'outil par rapport à la voie peut être assuré par des moyens d'actionnement en pivotement du porte-outil par rapport au plateau support d'outillage et par des moyens d'actionnement en translation de l'outil, et le pivotement du plateau par rapport au châssis du tiroir peut n'être mis en oeuvre que pour l'escamotage de l'outil par basculement, sans pour autant que le réglage du positionnement de l'outil soit perdu, ou au moins sans que le réglage soit à reprendre entièrement.Thus, the correct positioning of the tool by relation to the way can be ensured by means pivoting actuation of the tool holder relative to the tool support plate and by means actuation in translation of the tool, and the pivoting of the tray in relation to the drawer frame can only be used for the retraction of the tool by tilting, without the adjustment tool positioning is lost, or at least without the adjustment having to be completely resumed.

Selon une autre caractéristique de l'invention, le porte-outil est muni d'un outil abrasif monté pivotant par rapport au châssis, autour d'un axe orthogonal à la direction du mouvement de coulissement du châssis du tiroir, qui n'est autre que l'axe de pivotement du plateau par rapport à ce châssis.According to another characteristic of the invention, the tool holder is fitted with an abrasive tool pivoting relative to the chassis, about an axis orthogonal to the direction of the sliding movement of the drawer frame, which is none other than the axis of pivoting of the plate relative to this chassis.

Cette caractéristique permet de travailler avec l'outil abrasif incliné latéralement au rail, de telle sorte qu'il soit en contact avec ce rail sur plusieurs centimètres dans la direction longitudinale de celui-ci.This feature allows you to work with the abrasive tool inclined laterally to the rail, such that so that it is in contact with this rail on several centimeters in the longitudinal direction of it.

Ainsi, la surface de roulement de rails présentant une usure ondulatoire peut être égalisée de manière simple et efficace.So the running surface of rails with wave wear can be equalized by simple and efficient way.

D'autres caractéristiques et avantages de l'invention ressortiront de la description qui va suivre d'une forme de réalisation donnée à titre d'exemple non limitatif et illustrée par les dessins ci-joints dans lesquels :

  • la figure 1 est une vue montrant schématiquement le montage d'une forme de réalisation d'un tiroir selon l'invention, sur un côté d'un module sous la forme d'un chariot, certains éléments du tiroir et du chariot n'étant pas représentés afin de ne pas surcharger le dessin,
  • la figure 2 est une vue schématique de dessus d'une partie du tiroir de la figure 1 monté sur un module d'intervention,
  • la figure 3 est une vue schématique de face d'une partie du tiroir de la figure 1 monté sur un module d'intervention,
  • la figure 4 est une vue schématique de côté d'une partie du tiroir de la figure 1 monté sur un module d'intervention, montrant en traits fins son plateau support d'outillage dans une position inclinée, et
  • la figure 5 est une vue schématique de dessus du plateau support d'outillage avec une partie des organes qu'il porte (ceux de la partie droite, symétriques à ceux de la partie gauche, n'étant pas ou n'étant que partiellement représentés) et un porte-outil montré à titre d'exemple.
Other characteristics and advantages of the invention will emerge from the description which follows of an embodiment given by way of nonlimiting example and illustrated by the attached drawings in which:
  • Figure 1 is a view schematically showing the mounting of an embodiment of a drawer according to the invention, on one side of a module in the form of a carriage, certain elements of the drawer and the carriage being not shown so as not to overload the drawing,
  • FIG. 2 is a schematic top view of part of the drawer of FIG. 1 mounted on an intervention module,
  • FIG. 3 is a schematic front view of a part of the drawer of FIG. 1 mounted on an intervention module,
  • FIG. 4 is a schematic side view of a part of the drawer of FIG. 1 mounted on an intervention module, showing in fine lines its tool support plate in an inclined position, and
  • Figure 5 is a schematic top view of the tool support plate with a part of the organs which it carries (those of the right part, symmetrical to those of the left part, not being or being only partially represented ) and a tool holder shown as an example.

L'appareillage selon l'invention, sous la forme d'un tiroir 10 interchangeable équipé en fonction de l'intervention prévue, est destiné à être installé sur un module d'intervention M ici sous la forme d'un chariot dont le châssis, vu de dessus, présente une forme en H ; le corps central du H est constitué par un longeron 1 dont l'ossature comprend des éléments profilés 2 s'étendant horizontalement, parallèlement au plan vertical équidistant des roues gauche et droite de chaque train de roues respectivement avant et arrière, lorsque le chariot repose sur un sol horizontal ; ce corps central porte à chacune de ses deux extrémités, deux branches constituées par des traverses 3 s'étendant latéralement de part et d'autre de lui, dont l'ossature comprend des profilés tubulaires 4, 5, 6 (figure 2) ; le corps central et ses quatre branches perpendiculaires et sensiblement égales, déterminent donc deux échancrures 7 approximativement rectangulaires de part et d'autre du corps central ; les branches 3 se faisant vis-à-vis d'un même côté du corps pour déterminer les échancrures 7, comportent des moyens de solidarisation amovible des tiroirs d'intervention 10 au module M, comprenant des organes de guidage de coulissement pour ces tiroirs, deux bords extérieurs des tiroirs étant eux-mêmes dotés d'organes de guidage de coulissement coopérant avec ceux des branches 3 ; ici, les organes de guidage de coulissement portés par les branches du châssis du module d'intervention sont des glissières 41 cylindriques et rectilignes fixées à des entretoises 42 elles-mêmes fixées aux profilés 4, destinées à guider, en tant qu'organes de guidage de coulissement des tiroirs, des galets 101 portés par des joues 102 du tiroir, prévues pour venir en regard des faces des profilés 4 des branches du châssis se faisant vis-à-vis d'un même côté du corps central ; cependant, la nature des organes de guidage ainsi définis entre les faces des profilés 4 du châssis et celles des joues 102 de l'appareillage d'intervention 2 peut être inversée ; ici, le coulissement s'effectue le long d'un chemin rectiligne, et horizontal lorsque le module M repose sur un sol horizontal, mais les glissières peuvent parfaitement définir une direction inclinée, par exemple vers le bas en s'éloignant du corps central du H, ou même une direction curviligne ; il faut noter que les galets supportés par l'une des joues du tiroir sont à gorge pour assurer un guidage précis, tandis que ceux portés par l'autre joue n'en comportent pas et sont ici cylindriques pour éviter tout coincement lors du coulissement ; de plus, les galets correspondant aux glissières supérieures sont au-dessus de celles-ci, tandis que ceux correspondant aux glissières inférieures sont au-dessous d'elles, pour éviter tout soulèvement intempestif du tiroir par rapport au module d'intervention.The apparatus according to the invention, in the form an interchangeable drawer 10 equipped as a function of the planned intervention is intended to be installed on an intervention module M here in the form of a carriage whose chassis, seen from above, has a H shape; the central body of the H is constituted by a spar 1, the frame of which comprises elements profiles 2 extending horizontally, parallel to the vertical plane equidistant from the left and right wheels of each set of wheels, front and rear respectively, when the carriage rests on a horizontal floor; this central body carries at each of its two ends, two branches constituted by crosspieces 3 extending laterally on either side of it, whose framework includes tubular sections 4, 5, 6 (Figure 2); the central body and its four perpendicular branches and substantially equal, therefore determine two notches 7 approximately rectangular on either side of the central body; the branches 3 being facing a same side of the body to determine the notches 7, include removable securing means for intervention drawers 10 in module M, comprising sliding guide members for these drawers, two outer edges of the drawers being themselves endowed sliding guide members cooperating with those branches 3; here the guide members of sliding carried by the branches of the chassis intervention module are slides 41 cylindrical and rectilinear fixed to spacers 42 themselves fixed to the profiles 4, intended to guide, as sliding guide members of the drawers, pebbles 101 carried by cheeks 102 of the drawer, intended to come opposite the faces of the profiles 4 of the branches of the chassis facing each other on the same side of the central body; however, nature guide members thus defined between the faces of the profiles 4 of the chassis and those of the cheeks 102 of the intervention apparatus 2 can be reversed; here, the sliding takes place along a path straight, and horizontal when the module M rests on horizontal ground, but the slides can perfectly define an inclined direction for example downward away from the central body of the H, or even a curvilinear direction; it should be noted that the rollers supported by one of the drawer cheeks are groove for precise guidance, while those worn by the other cheek do not have one and are here cylindrical to avoid jamming when sliding; moreover, the rollers corresponding to the upper slides are above these, while those corresponding to the lower slides are below them, to avoid any lifting nuisance of the drawer in relation to the module intervention.

Ainsi, chaque module M est adapté à recevoir deux appareillages d'intervention sous la forme de tiroirs 10 amovibles par coulissement latéral de part et d'autre de son longeron 1, destinés à intervenir respectivement sur les deux rails de la voie ferrée.Thus, each module M is adapted to receive two intervention devices in the form of drawers 10 removable by lateral sliding on both sides other of its spar 1, intended to intervene respectively on the two rails of the railway.

Le plus souvent, lors de l'utilisation des appareillages, à la fois la position et l'emplacement de ceux-ci par rapport aux rails doivent être respectés avec précision, et les tiroirs 10 doivent pouvoir être actionnés en coulissement latéral par rapport à la direction de déplacement du chariot M et immobilisés à tout emplacement souhaité dans une gamme prédéterminée d'emplacements (un exemple de position limite dans la direction latérale indiquée par une flèche F, est représenté par un trait L sur la figure 2). A cette fin, chaque tiroir 10 porte des moyens d'actionnement en coulissement 11 (figures 2 et 4) comprenant deux vérins 111 ici pneumatiques ou hydrauliques dont l'axe longitudinal s'étend de préférence dans la direction désirée pour le coulissement du tiroir ; la tige de chaque vérin 111 est solidarisée, de manière amovible, par l'intermédiaire d'une tête de bielle 112 dans laquelle est logé un insert 113 présentant une partie de surface sphérique formant rotule, à un pivot 114 fixé à une joue 102 respective du tiroir 10 ; le cylindre de chaque vérin 111 est solidarisé, également de manière amovible, par un support à chape 115 et un pivot 116, au profilé 2 du longeron qui est le plus proche. Ces moyens d'actionnement en coulissement solidarisant le tiroir au chariot sont asservis depuis un appareillage de commande porté par un chariot de commande et piloté par ordinateur (non représentés). Des appareillages d'alimentation (également non représentés), reliés électriquement à l'appareillage de commande, et électriquement et pneumatiquement ou/et hydrauliquement aux appareillages d'intervention et plus précisément aux moteurs et vérins de ceux-ci, tels que les vérins 111 d'actionnement en coulissement, sont portés par les branches du chariot, ou, éventuellement, si celui-ci est constitué par plusieurs modules, par l'un des autres modules constituant le chariot.Most often when using apparatus, both the position and location of these in relation to the rails must be observed precisely, and drawers 10 must be able to be actuated in lateral sliding with respect to the direction of movement of the carriage M and immobilized at any desired location within a predetermined range locations (an example of a limit position in the lateral direction indicated by an arrow F, east represented by a line L in FIG. 2). To this end, each drawer 10 carries actuation means in sliding 11 (Figures 2 and 4) comprising two cylinders 111 here pneumatic or hydraulic whose axis longitudinal preferably extends in the direction desired for sliding the drawer; the rod each actuator 111 is secured, in a removable manner, via a big end 112 in which is housed an insert 113 having a part of spherical surface forming a ball, to a pivot 114 fixed to a respective cheek 102 of drawer 10; the cylinder of each cylinder 111 is secured, also so removable, by a clevis support 115 and a pivot 116, at profile 2 of the spar which is closest. These means sliding actuation securing the drawer to trolley are slaved from a control device carried by a control trolley and controlled by computer (not shown). Apparatus supply (also not shown), connected electrically to the control gear, and electrically and pneumatically or / and hydraulically intervention equipment and more specifically motors and cylinders therefor, such as cylinders 111 sliding actuation, are carried by the branches of the trolley, or possibly if it is made up of several modules, by one of the others modules constituting the carriage.

La structure porteuse de chaque appareillage d'intervention est un châssis de tiroir symétrique par rapport à un axe central s'étendant dans la direction de coulissement, transversale au module M donc à la direction de déplacement du chariot le long de la voie. Ce châssis comporte une base constituée de ceux plaques métalliques rectangulaires identiques 103 disposées sur un même plan à distance l'une de l'autre symétriquement de part et d'autre de l'axe central avec chacune deux chants parallèles à cet axe et deux chants perpendiculaires à celui-ci, reliées par une entretoise 104 constituant la face avant du tiroir s'étendant dans la direction longitudinale du module et constituant ainsi une partie de face latérale de ce dernier. Les joues 102 sont elles-mêmes des plaques rectangulaires dressées perpendiculairement aux plaques de base 103 au-dessus de la face supérieure de celles-ci de manière à constituer les bords ou flancs du tiroir ; ces joues sont elles-mêmes reliées par des entretoises 105 (dont l'une est représentée seulement sur la figure 1 afin de ne pas surcharger les autres figures), notamment au voisinage de leur partie supérieure. Les plaques de base, les joues et les entretoises, sont assemblées par vis.The load-bearing structure of each device intervention is a symmetrical drawer chassis by with respect to a central axis extending in the direction of sliding, transverse to the module M therefore to the direction of movement of the carriage along the track. This chassis has a base made up of those plates identical rectangular metallic 103 arranged on the same plane at a distance from each other symmetrically on either side of the central axis with each two edges parallel to this axis and two edges perpendicular to it, connected by a spacer 104 constituting the front face of the drawer extending in the longitudinal direction of the module and constituting thus a side face portion of the latter. The cheeks 102 are themselves rectangular plates standing perpendicular to the base plates 103 above from the upper side of these so that constitute the edges or sides of the drawer; these cheeks are themselves connected by spacers 105 (of which one is shown only in Figure 1 in order to do not overload the other figures), especially at near their upper part. The plates of base, cheeks and spacers, are assembled by screw.

Comme les deux plaques de base 103 sont disposées à distance l'une de l'autre et reliées par la face avant 104 du tiroir, est déterminée entre elles une échancrure 106 débouchant du côté du longeron du module, dont le contour délimite la section d'un espace prismatique droit à l'intérieur duquel se déplace un plateau 12 support d'outillage.As the two base plates 103 are arranged at a distance from each other and connected by the front face 104 of the drawer, is determined between them a notch 106 opening on the side of the module side member, whose outline delimits the section of a space prismatic right inside which a tray 12 tool support.

Le plateau 12 support d'outillage comporte une plaque métallique 121 montée pivotante de manière amovible par rapport au châssis du tiroir 10, autour d'un axe orthogonal à l'axe de symétrie de ce châssis donc à la direction de coulissement du tiroir, c'est-à-dire parallèle à l'axe longitudinal du module et à la direction de déplacement du chariot.The tool support plate 12 includes a metal plate 121 pivotally mounted removable from the frame of drawer 10, around from an axis orthogonal to the axis of symmetry of this chassis therefore to the sliding direction of the drawer, i.e. parallel to the longitudinal axis of the module and to the direction of movement of the carriage.

Les moyens de solidarisation 13 du plateau 12 au châssis de manière pivotante comprennent, sur la région arrière de la plaque 121 (c'est-à-dire la région destinée à être la plus proche du longeron du module M), fixés parallèlement l'un à l'autre, des paliers 131 dans les alésages respectifs et alignés desquels est ajustée, libre en rotation, une broche 132 cylindrique dont les deux extrémités sont fixées par vis respectivement aux deux joues 102 du châssis, de telle sorte que la broche 132 s'étende orthogonalement à l'axe de symétrie de celui-ci, au voisinage de ses plaques de base 103 et à l'opposé de sa face avant 104 ; plus précisément, l'axe longitudinal de la broche 132 autour duquel le plateau 12 est monté pivotant est situé ici quelques centimètres au-dessus des plaques de base (environ trois centimètres) et en avant du chant postérieur de celles-ci (environ quatre centimètres). Compte-tenu du poids en charge du plateau support d'outillage (comprenant l'outillage lui-même), il est utile que la broche 132 repose également dans deux paliers intermédiaires 133 fixés chacun sur l'une des plaques de base 103 du châssis du tiroir, à proximité immédiate du plateau 12. A ces moyens de solidarisation amovible, sont associés des moyens d'actionnement en pivotement 14 comprenant deux vérins 141 ici de préférence pneumatiques ou éventuellement hydrauliques, montés eux-mêmes pivotants de telle sorte que leur axe longitudinal soit approximativement perpendiculaire aux plaques de base 103 et situé approximativement à mi-distance entre leur chant avant et leur chant arrière lorsque l'angle de la plaque 121 du plateau 12 par rapport aux plaques de base 103 est nul ; le cylindre des vérins 141 d'actionnement du plateau en pivotement est porté par des organes de fixation amovible à une joue 102 respective, et leur tige est solidarisée également de manière amovible au plateau 12 par des organes d'articulation à rotule. Les organes de fixation comprennent un support sous la forme d'une cloison 142 verticale fixée par vis à la joue, portant une chape 143 dont les branches portent elles-mêmes un pivot 144 dont l'axe est parallèle à celui de la broche 132 et auquel est articulé le cylindre du vérin 141 de telle sorte que celui-ci soit mobile dans un plan perpendiculaire à l'axe de la broche ; les organes d'articulation de la tige du vérin 141 comprennent un pied 145 fixé par vis à la plaque 121 du plateau 12, portant un pivot 146 amovible dont l'axe est parallèle à celui de la broche 132, autour duquel est articulée la tige du vérin 141 par l'intermédiaire d'un insert 147 présentant une partie de surface sphérique formant rotule logé dans une tête de bielle 148 prolongeant la tige du vérin. L'appareillage de commande de ces vérins 141 est le même que celui des précédents, et leurs appareillages d'alimentation sont similaires. Grâce aux moyens de solidarisation 13 du plateau au châssis, aux moyens d'actionnement en pivotement 14 et aux appareillages de commande et d'alimentation, le plateau 12 est mobile en pivotement autour de l'axe de la broche 132 dans une gamme choisie d'angles de pivotement, et peut être immobilisé à tout emplacement souhaité dans cette gamme.The joining means 13 of the plate 12 to pivotally frame include, on the area back of plate 121 (i.e. region intended to be closest to the longitudinal member of module M), fixed parallel to each other, bearings 131 in the respective and aligned bores of which is adjusted, free in rotation, a cylindrical spindle 132 whose two ends are fixed by screws respectively to two cheeks 102 of the chassis, so that the spindle 132 extends orthogonally to the axis of symmetry of this one, in the vicinity of its base plates 103 and at the opposite of its front face 104; more precisely, the axis longitudinal of spindle 132 around which the plate 12 is mounted swivel is located here a few centimeters above the base plates (about three centimeters) and in front of the posterior edge thereof (about four centimeters). Given the weight in tool tray load (including the tool itself), it is useful if the pin 132 also rests in two intermediate bearings 133 each fixed to one of the base plates 103 of the drawer frame, close to the plate 12. These removable securing means are associated pivoting actuation means 14 comprising two cylinders 141 here preferably pneumatic or possibly hydraulic, themselves pivoting so that their longitudinal axis is approximately perpendicular to the base plates 103 and located approximately halfway between their front edge and their rear edge when the angle of the plate 121 of the plate 12 relative to the base plates 103 is zero; the cylinder of actuating cylinders 141 of the pivoting plate is carried by removable attachment to a respective cheek 102, and their rod is also removably secured to the plate 12 by ball joint members. The fasteners include a support in the form a vertical partition 142 fixed by screws to the cheek, bearing a yoke 143 whose branches carry themselves a pivot 144 whose axis is parallel to that of spindle 132 and to which the cylinder of the jack 141 so that it is movable in a plane perpendicular to the axis of the spindle; the articulation members of the cylinder rod 141 include a foot 145 fixed by screw to the plate 121 of the plate 12, carrying a removable pivot 146 whose axis is parallel to that of pin 132, around which is articulated the rod of the jack 141 by means of a insert 147 having a spherical surface part forming a ball joint housed in a connecting rod head 148 extending the cylinder rod. Control equipment of these cylinders 141 is the same as that of the previous ones, and their power supplies are similar. Thanks to the means 13 for securing the plate to the chassis, with pivoting actuation means 14 and control and supply equipment, the plate 12 is pivotally movable about the axis of pin 132 in a selected range of angles swivel, and can be immobilized at any location desired in this range.

Cependant, afin que l'orientation de l'outil par rapport au rail et la progression de cet outil en fonction de l'état d'avancement de l'intervention sur le rail, ainsi que la profondeur de passe, puissent être réglés de manière précise et directe, c'est-à-dire sans avoir à intervenir en continu sur l'emplacement du tiroir 10 et sur la position angulaire de la plaque de base 121 du plateau 12 support d'outillage, l'outil n'est pas porté directement par cette plaque, mais est monté (éventuellement également indirectement) sur un porte-outil 15 lui-même mobile par rapport à elle.However, so that the orientation of the tool by rail and the progress of this tool in depending on the progress of the intervention on the rail, as well as the pass depth, can be precisely and directly adjusted, i.e. without have to intervene continuously on the location of the drawer 10 and on the angular position of the plate base 121 of the plate 12 tool support, the tool is not carried directly by this plate, but is mounted (possibly also indirectly) on a tool holder 15 itself movable relative to it.

Aussi, la plaque de base 121 du plateau support 12 présente une lumière 122 (fig. 5) de forme générale rectangulaire dont la surface constitue la section d'un espace prismatique droit à l'intérieur duquel se déplace le porte-outil et plus particulièrement une plaque de base 151 de celui-ci, présentant également la forme générale d'un rectangle, de dimensions légèrement inférieures à celles de la lumière, de telle sorte que cette plaque de base du porte-outil puisse prendre une position dans laquelle elle est insérée dans la lumière 122 en y étant approximativement centrée dans le même plan que la plaque de base 121 du plateau support ; la lumière rectangulaire 122 est orientée dans la plaque de base du plateau support de telle sorte que l'une de ses médianes (ici sa grande médiane) soit parallèle à l'axe de pivotement du plateau support 12, et l'autre lui soit orthogonale ; lorsque la plaque de base 151 du porte-outil est insérée dans la lumière comme défini plus haut, l'une des médianes de la plaque est approximativement superposée à celle de la lumière qui est orthogonale à l'axe de pivotement du plateau, et l'autre peut être décalée plus nettement (quelques millimètres) de celle de la lumière qui est parallèle à cet axe de pivotement.Also, the base plate 121 of the support plate 12 has a light 122 (fig. 5) of general shape rectangular whose surface constitutes the section of a right prismatic space inside which moves the tool holder and more particularly a plate of base 151 of it, also having the shape general of a rectangle, of dimensions slightly lower than those of light, so that this base plate of the tool holder can take a position in which it is inserted in the light 122 while being approximately centered in the same plane that the base plate 121 of the support plate; the rectangular light 122 is oriented in the plate base of the support plate so that one of its medians (here its large median) is parallel to the axis pivoting of the support plate 12, and the other is orthogonal; when the base plate 151 of the tool holder is inserted into the light as defined more top, one of the medians of the plate is approximately superimposed on that of the light which is orthogonal to the pivot axis of the plate, and the other can be shifted more clearly (a few millimeters) of that of light which is parallel to this pivot axis.

La plaque de base 151 du porte-outil 15 est montée elle-même mobile en pivotement autour d'un axe contenu dans un plan perpendiculaire à la plaque de base du plateau support d'outillage et approximativement médian par rapport à la lumière, au même niveau au-dessus de la plaque de base du plateau support, que l'axe de pivotement de celle-ci (axe de la broche 132) auquel il est parallèle. En tant que moyens 16 pour solidariser amoviblement la plaque de base 151 du porte-outil à la plaque de base 121 du plateau de manière pivotante, de part et d'autre de la lumière 122, approximativement au milieu de la largeur de celle-ci, sont fixés, parallèlement l'un à l'autre, deux paliers 161 dans les alésages respectifs et alignés desquels sont ajustées deux broches 162 également ajustées dans deux paliers respectifs 163 fixés à la plaque de base 151 du porte-outil, à proximité de ses petits côtés, approximativement au milieu de ceux-ci. Les broches 162 ajustées chacune dans un palier 161 de la plaque du plateau et dans un palier 163 de la plaque du porte-outil sont d'une part libres en rotation dans le premier et d'autre part fixées amoviblement au second ; à cette fin, les broches 162 comportent une tête en forme de bride adaptée à être appliquée contre le palier 163 de la plaque porte-outil et à être fixée à lui par vis, de telle sorte qu'une rotation des broches 162 entraíne celle de ces paliers 163 et ainsi de la plaque 151 du porte-outil 15. Les broches 162 sont actionnées en rotation par des moyens d'actionnement 17 du type bielle-manivelle à vérins 171 mécaniques et moteurs pas à pas 172 ; plus précisément, la broche 162 est clavetée dans un alésage d'une région d'extrémité d'une manivelle 173 dont la région d'extrémité opposée, en forme de chape, comporte un alésage solidarisé au moyen d'un pivot 174 à la région de l'extrémité libre de la tige du vérin 171 agencée à la manière d'une bielle et insérée dans la chape. L'extrémité libre du cylindre du vérin 171 est elle-même articulée à un support 175 par l'intermédiaire d'un pivot 176 inséré dans un alésage s'étendant dans une partie en forme de chape, de ce support 175. La course longitudinale de la tige du vérin est ici de l'ordre de 90 millimètres.The base plate 151 of the tool holder 15 is itself mounted to pivot about an axis contained in a plane perpendicular to the base plate of the tool support plate and approximately median to light, at the same level above of the base plate of the support plate, which the pivot axis thereof (spindle axis 132) to which it is parallel. As a means 16 for removably secure the base plate 151 of the tool holder to the base plate 121 of the tray so pivoting, on either side of the light 122, approximately in the middle of its width, are fixed, parallel to each other, two bearings 161 in the respective aligned bores of which are adjusted two pins 162 also adjusted in two respective bearings 163 fixed to the base plate 151 of the tool holder, near its short sides, approximately in the middle of these. Pins 162 each adjusted in a bearing 161 of the plate of the plate and in a bearing 163 of the tool holder plate on the one hand are free to rotate in the first and secondly removably attached to the second; at this end, pins 162 have a shaped head flange adapted to be applied against the bearing 163 of the tool holder plate and to be fixed to it by screws, so that a rotation of the pins 162 causes that of these bearings 163 and thus of the plate 151 of the tool holder 15. The spindles 162 are actuated in rotation by actuation means 17 of the type rod-crank with cylinders 171 mechanical and pitch motors at step 172; more precisely, pin 162 is keyed in a bore of an end region of a crank 173 of which the opposite end region, in the form of yoke, has a bore secured by means of a pivot 174 to the region of the free end of the rod of the jack 171 arranged like a connecting rod and inserted in the screed. The free end of the cylinder 171 is itself articulated to a support 175 by via a pivot 176 inserted in a bore extending in a screed-like part, of this support 175. The longitudinal stroke of the cylinder rod is here of the order of 90 millimeters.

L'outil est lui-même actionné en hauteur par des moyens d'actionnement en translation 18 comportant un ou plusieurs vérins 181 mécaniques mus par des moteurs pas à pas 182, ici deux vérins actionnés par des moteurs disposés tête-bêche.The tool is itself actuated in height by translation actuation means 18 comprising one or several mechanical cylinders 181 powered by pitch motors step 182, here two cylinders powered by motors arranged head to tail.

De la sorte, le plaque de base 151 et l'outil peuvent tourner autour du rail par dessus celui-ci, dans un plan perpendiculaire à la direction dans laquelle s'étend la voie, sur un angle de 55 degrés dont 35 degrés du côté de -la face interne du rail et 20 degrés du côté de sa face externe, et l'outil lui-même peut en être approché ou éloigné, quelle que soit son orientation par rapport à lui, par exemple par pas de 4 ou 5 micromètres.In this way, the base plate 151 and the tool can rotate around the rail on top of it, in a plane perpendicular to the direction in which extends the track, on an angle of 55 degrees including 35 degrees from the side of the inner side of the rail and 20 degrees on the side of its outer face, and the tool itself can to be approached or distant, whatever its orientation relative to it, for example in steps of 4 or 5 micrometers.

La plaque de base 151 du porte-outil ou une pièce solidaire de l'outil lui-même peuvent porter des moyens de détection du rail (non représentés sur les dessins), réglés pour détecter lorsque l'outil entre en contact avec le rail ou arrive à proximité immédiate de celui-ci ; ces moyens peuvent par exemple comporter un bras s'étendant sous le porte-outil, portant par l'intermédiaire d'un doigt articulé, une molette adaptée à suivre le contour du rail lors de la progression de l'outil sur la surface de celui-ci, le doigt articulé étant associé à un microrupteur relié électriquement à l'appareillage de commande de telle sorte que le mouvement de l'outil soit commandé en fonction des informations données par les moyens de détection du rail ou de la proximité de celui-ci.The base plate 151 of the tool holder or a integral with the tool itself can wear rail detection means (not shown on the drawings), set to detect when the tool enters contact with the rail or arrive in the immediate vicinity of this one ; these means may for example include a arm extending under the tool holder, carrying by via an articulated finger, a suitable wheel to follow the contour of the rail during the progression of the tool on the surface of it, the articulated finger being associated with a microswitch electrically connected to the control gear so that the tool movement is controlled according to information given by the rail detection means or proximity to it.

Lorsque l'installation doit être mise en oeuvre, le module d'intervention M (chariot ou partie de chariot), s'il n'est pas encore équipé de ses tiroirs 10 (avec ou sans leur plateau 112 support d'outillage), est muni de ceux-ci par coulissement dans ses échancrures latérales 7 ; toujours dans la même hypothèse, les vérins d'actionnement en coulissement 111 sont solidarisés au module et/ou aux tiroirs selon qu'ils étaient initialement désolidarisés de ces deux éléments, ou solidarisés à un seul d'entre eux. Puis, si les plateaux 12 supports d'outillage n'étaient pas en place, ils sont disposés dans les échancrures 106 des tiroirs, et solidarisés d'une part aux broches de pivotement 132 et d'autre part aux pieds 145 de solidarisation du plateau 12 aux vérins 141 d'actionnement en pivotement. When the installation must be implemented, the intervention module M (trolley or part of trolley), if it is not yet equipped with its drawers 10 (with or without their tray 112 tool support), is provided with these by sliding in its notches lateral 7; always on the same assumption, the sliding actuators 111 are secured to the module and / or drawers depending on whether they were initially disassociated from these two elements, or joined to only one of them. Then, if the trays 12 tool supports were not in place, they are arranged in the notches 106 of the drawers, and secured on the one hand to the pivot pins 132 and on the other hand at the 145 feet for securing the plate 12 with actuators 141 for pivoting actuation.

Les porte-outils 15 munis de leur outil sont solidarisés au plateau 12 par l'intermédiaire des broches 162 et des paliers 161, 163 fixes sur les plaques de bases 121, 151 respectives de ces éléments.The tool holders 15 provided with their tool are secured to the plate 12 via the pins 162 and bearings 161, 163 fixed on the base plates 121, 151 respective of these elements.

Au moyen de l'appareillage de commande, les plateaux 12 supports d'outillage sont basculés vers le haut tant que le module d'intervention n'est pas à l'endroit approprié pour effectuer l'intervention sur la voie. Lorsque cet endroit est atteint, les vérins d'actionnement en coulissement 111 et en pivotement 141 du plateau sont actionnés pour disposer l'outil à un emplacement désiré. Il ne reste alors plus qu'à réaliser l'approche de l'outil grâce aux moyens 18 d'actionnement en translation de l'outil et/ou les moyens 17 d'actionnement en pivotement du porte-outil, et animer si nécessaire l'outil lui-même du mouvement désiré (mouvement de rotation par exemple, dans le cas d'un fraisage ou d'un meulage). L'installation elle-même peut être mise en mouvement le long de la voie. Si l'intervention doit être interrompue ou simplement la progression de l'installation sur la voie doit être stoppée, il suffit d'alimenter les vérins 141 d'actionnement en pivotement du plateau 12, en ne modifiant aucun autre réglage, pour faire basculer celui-ci en position d'escamotage, et éviter le creusement des rails à l'emplacement d'arrêt, le plateau pouvant être remis en place exactement dans la même position de "plaquage", et "en douceur", au moment et à l'emplacement souhaités, au moyen de ces vérins 141, grâce au fait que ceux-ci sont pneumatiques. En particulier, dans certains cas, par exemple celui de la rectification, le programme de l'ordinateur de l'appareillage de commande peut commander un retour de l'installation en un point quelconque, en vue d'une répétition d'une opération dans la même zone, s'il est détecté que le résultat obtenu n'est pas parfait. Egalement, la vitesse d'avance de l'installation est régulée en fonction de la vitesse de rotation des abrasifs ou des outils ; de même, la pression exercée sur les outils est contrôlée par les microprocesseurs qui assurent la cohérence de toutes les fonctions. Lorsqu'un outil de rectification est mis en oeuvre avec le tiroir selon l'invention, dans l'installation mobile appropriée, en association avec un dispositif de contrôle de la planéité du rail suffisamment précis, on peut atteindre une planéité de l'ordre de trois centièmes de millimètres au mètre, sur la surface de la bande de roulement.By means of the control gear, the trays 12 tool supports are tilted towards the high as long as the intervention module is not the appropriate place to perform the intervention on the way. When this location is reached, the cylinders sliding 111 and pivoting 141 of the plate are actuated to place the tool at a desired location. It only remains to realize approaching the tool by means of actuation 18 in translation of the tool and / or the means 17 actuation in pivoting of the tool holder, and animate if necessary the tool itself of the desired movement (rotational movement for example, in the case of a milling or grinding). The installation itself can be set in motion along the track. Yes the intervention must be interrupted or simply the installation progress on the track should be stopped, it suffices to feed the jacks 141 pivoting actuation of the plate 12, not modifying no other setting, to toggle the latter in the retracted position, and avoid digging rails at the stop location, the platform can be replaced exactly in the same "tackle", and "smooth" position, when and where the desired location, by means of these jacks 141, thanks to the fact that these are pneumatic. In particular, in some cases, for example that of the rectification, the computer program of the control unit can command a return of installation at any point, for a repeating an operation in the same area, if it is detected that the result obtained is not perfect. Also, the advance speed of the installation is regulated according to the rotation speed of abrasives or tools; similarly, the pressure exerted on the tools is controlled by microprocessors which ensure the consistency of all functions. When a rectification tool is used with the drawer according to the invention, in the mobile installation appropriate, in combination with a Sufficiently precise rail flatness check, can achieve flatness on the order of three hundredths of a millimeter per meter, on the surface of the tread.

Bien entendu, l'invention n'est pas limitée à la forme et au mode de réalisation ci-dessus décrits et représentés, et on pourra en prévoir d'autres formes et d'autres modes sans sortir de son cadre.Of course, the invention is not limited to the form and embodiment described above and represented, and we can provide other forms and other modes without departing from its framework.

Notamment, le porte-outil doit être adapté à l'opération à effectuer : décalaminage des rails, rectification de leurs défauts de surface, effacement de leur usure ondulatoire (par exemple au moyen de disques abrasifs, de meules diamantées, d'outils au carbure ou en acier rapide, d'outils diamants etc. entraínés par des moteurs électriques, hydrauliques, thermiques, turbine à air ou autre), aspiration de la voie, nettoyage haute pression de celle-ci et des rails, tirefonnage et détirefonnage des rails, boulonnage et déboulonnage, mesure des défauts de surface, auscultation aux ultrasons, rechargement, brossage, bourrage, dépose de blochets béton et de traverses, pose de traverses, ou encore rentaillage de celles-ci. Egalement, le porte-outil peut être prévu pour porter plusieurs outils, et le plateau support d'outillage peut être prévu pour porter plusieurs porte-outils.In particular, the tool holder must be adapted to the operation to be carried out: descaling of the rails, rectification of their surface defects, erasure of their wave wear (for example by means of discs abrasives, diamond grinding wheels, carbide tools or high-speed steel, diamond tools etc. driven by electric, hydraulic, thermal motors, air turbine or other), track suction, high pressure cleaning of this and the rails, rail drawing and reverse engineering, bolting and unbolt, measurement of surface defects, ultrasonic testing, recharging, brushing, tamping, removal of concrete blocks and sleepers, laying of sleepers, or even their reworking. Also, the tool holder can be provided for carrying several tools, and the tool support tray can be designed to carry several tool holders.

Par ailleurs, le fait que les plateaux support d'outillage sont montés pivotant par rapport au châssis du tiroir, autour d'un axe parallèle à la direction dans laquelle s'étend la voie, peut être appliqué plus particulièrement et avantageusement à l'effacement des ondulations dues à l'usure ondulatoire des rails. En effet, il est coutume de tenter d'effacer les ondulations des rails au moyen d'un outil abrasif tel qu'une meule progressant dans la direction dans laquelle s'étend le rail et tournant à grande vitesse autour d'un axe situé dans le plan longitudinal de symétrie du rail et incliné, vers le haut, vers l'arrière par rapport à la direction de progression de cet outil, cette meule étant par ailleurs montée pivotante par rapport à un axe perpendiculaire au plan de symétrie déjà mentionné ; cependant, cette disposition n'est efficace qu'à condition de parvenir à maítriser la pression de l'outil sur le rail, faute de quoi l'outil a tendance à suivre les ondulations. En revanche, si l'outil abrasif tel qu'une meule est monté pivotant par rapport à un axe parallèle au plan de symétrie du rail, et tourne à grande vitesse autour d'un axe situé dans un plan perpendiculaire à ce plan de symétrie, la meule est en contact avec le rail sur plusieurs centimètres simultanément, donc avec plusieurs sommets d'ondulations simultanément, et ainsi les ondulations peuvent être supprimées progressivement (en plusieurs passes) par écrètage depuis leur sommet jusqu'à leur base ; comme, selon l'invention, l'axe de pivotement du plateau par rapport au châssis du tiroir est précisément parallèle au plan de symétrie du rail, la condition recherchée est ici réalisée, et, par la mise en oeuvre d'un porte-outil (s) approprié, les ondulations peuvent effectivement être supprimées.Furthermore, the fact that the support plates of tools are pivotally mounted relative to the chassis of the drawer, around an axis parallel to the direction in which extends the way, can be applied more particularly and advantageously to the erasure of ripples due to wave wear of the rails. In Indeed, it is customary to try to erase the undulations of the rails by means of an abrasive tool such that a grinding wheel progressing in the direction in which extending the rail and rotating at high speed around a axis located in the longitudinal plane of symmetry of the rail and inclined, upwards, backwards with respect to the direction of progression of this tool, this wheel being otherwise pivotally mounted with respect to an axis perpendicular to the already mentioned plane of symmetry; however, this provision is only effective condition of managing the pressure of the tool on the rail, otherwise the tool tends to follow the ripples. On the other hand, if the abrasive tool such that a grinding wheel is pivotally mounted relative to an axis parallel to the plane of symmetry of the rail, and turns at high speed around an axis located in a plane perpendicular to this plane of symmetry, the grinding wheel is in contact with the rail over several centimeters simultaneously, therefore with several peaks of undulations simultaneously, and so the ripples can be gradually removed (in several passes) by clipping from their top to their base; as, according to the invention, the pivot axis of the plate by relation to the drawer frame is precisely parallel in the plane of symmetry of the rail, the condition sought is here realized, and, by the implementation of a tool holder (s) appropriate, the undulations can actually be deleted.

Claims (10)

  1. Railway intervention device, for example for repair and/or maintenance of the track, characterised in that it comprises a slide which is intended to be installed on an intervention module in the form of a trolley in order to be part of the structure of a mobile intervention installation, this slide comprising at least,
    one chassis (102, 103, 104, 105) comprising external edges provided with sliding guide members (101) in order to guide the chassis of the slide in a sliding movement in a predetermined direction, and slidhg actuation means (11) which are adapted to actuate it by Sliding in the predetermined direction and to immobilise it at any desired location in a predetermined range of locations which follow each other in this predetermined direction,
    one equipment support platform (12) which is mounted so as to pivot relative to the chassis (102, 103, 104, 105) of the slide about an axis which is orthogonal to the predetermined direction of the sliding movement of the chassis, by means of means (13) for connecting the platform to the chassis, this platform being connected likewise to pivoting actuation means (14) which are adapted to actuate the platform so as to pivot about this axis in a predetermined range of pivoting angles and to immobilise it at any desired location in this predetermined range of pivoting angles.
  2. Device according to claim 1, characterised in that the sliding guide members which are provided on the chassis are rollers (101).
  3. Device according to any of the claims 1 and 2, characterised in that the sliding guide members comprise rollers (101), and the rollers which correspond to one of the external edges of the slide are grooved rollers whilst those which correspond to another external edge of the slide have no groove.
  4. Device according to any of the claims 1 to 3, characterised in that the connecting means (13) of the equipment support platform to the chassis comprise a spindle (132) which extends orthogonally to the direction of the sliding movement of the chassis, and bearings (131, 133) in a boring of which this spindle is adjusted.
  5. Device according to any of the claims 1 to 4, characterised in that the pivoting actuation means (14) comprise pneumatic or hydraulic jacks (141).
  6. Device according to any of the claims 1 to 5, characterised in that the chassis comprises a notch (106), the contour of which delimits the section of a space in the interior of which the platform (12) moves.
  7. Device according to any of the claims 1 to 6, characterised in that the platform (12) comprises a port (122), the contour of which delimits the section of a space in the interior of which a tool carrier (15) moves.
  8. Device according to any of the claims 1 to 7, characterised in that a tool carrier (15) is mounted so as to pivot relative to the equipment support platform (12) about an axis which is parallel to the pivoting axis of the platform relative to the chassis.
  9. Device according to any of the claims 1 to 8, characterised in that the tool carrier (15) is actuated in rotation by stepwise actuation means (17).
  10. Device according to any of the claims 1 to 9, characterised in that the tool carrier (15) is provided with an abrasive tool which is mounted so as to pivot relative to the chassis, about an axis which is orthogonal to the direction of the sliding movement of the chassis.
EP97906227A 1996-03-19 1997-02-19 Intervention device for railway maintenance and repair Expired - Lifetime EP0888230B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9603401 1996-03-19
FR9603401A FR2746358B1 (en) 1996-03-19 1996-03-19 INTERCHANGEABLE DRAWER FOR RAILWAY MAINTENANCE AND REPAIR INSTALLATION
PCT/FR1997/000310 WO1997034791A1 (en) 1996-03-19 1997-02-19 Interchangeable drawer for railway maintenance and repair installation

Publications (2)

Publication Number Publication Date
EP0888230A1 EP0888230A1 (en) 1999-01-07
EP0888230B1 true EP0888230B1 (en) 2002-05-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP97906227A Expired - Lifetime EP0888230B1 (en) 1996-03-19 1997-02-19 Intervention device for railway maintenance and repair

Country Status (4)

Country Link
EP (1) EP0888230B1 (en)
DE (1) DE69712330T2 (en)
FR (1) FR2746358B1 (en)
WO (1) WO1997034791A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102877386A (en) * 2012-09-29 2013-01-16 北京二七轨道交通装备有限责任公司 Positioning device for railway working device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3139220A1 (en) * 1981-10-02 1983-04-21 Rheiner Maschinenfabrik Windhoff Ag, 4440 Rheine Rail vehicle for transportation within a works
DE8911198U1 (en) * 1989-09-20 1989-11-23 Hermann Wiebe Grundstuecks- Und Maschinenanlagen Kg, 2800 Bremen, De

Also Published As

Publication number Publication date
FR2746358B1 (en) 1998-06-05
WO1997034791A1 (en) 1997-09-25
DE69712330T2 (en) 2002-11-07
EP0888230A1 (en) 1999-01-07
DE69712330D1 (en) 2002-06-06
FR2746358A1 (en) 1997-09-26

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