EP2071078A1 - Dispositif et procédé destiné à traiter des rails, notamment des rails à gorge - Google Patents

Dispositif et procédé destiné à traiter des rails, notamment des rails à gorge Download PDF

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Publication number
EP2071078A1
EP2071078A1 EP08020936A EP08020936A EP2071078A1 EP 2071078 A1 EP2071078 A1 EP 2071078A1 EP 08020936 A EP08020936 A EP 08020936A EP 08020936 A EP08020936 A EP 08020936A EP 2071078 A1 EP2071078 A1 EP 2071078A1
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EP
European Patent Office
Prior art keywords
milling
rail
milling head
groove
head
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.)
Withdrawn
Application number
EP08020936A
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German (de)
English (en)
Inventor
Laurent Goer
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP2071078A1 publication Critical patent/EP2071078A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • 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
    • E01B31/13—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails by milling

Definitions

  • the invention relates to a device for processing rails, in particular grooved rails, or track systems.
  • the invention is an improvement in connection with the processing or repair of tram rails. These are usually designed as grooved rails. However, the invention is also applicable in connection with the processing or repair of conventional railroad tracks or other rails. Rail-like parts of track systems are also machined and repaired in the same or similar way as the rails, in particular frogs of intersections or points.
  • Rails have a well-defined cross-sectional profile, which changes during operation due to wear. It is therefore customary to rework the rails to restore running surfaces, flat grooves or the original cross-sectional profile, in particular in the region of a running edge or guide rail. Ripples can form in the riding areas, which have to be leveled. On the worn driving edge of a tram track, a new pad is welded and then sanded smooth to achieve the original cross-sectional profile. The grinding process is associated with strong noise and dust emissions and extraordinary sparking. In addition, the surfaces of the driving edge and the Driving surfaces after grinding not as flat as in the original state, but slightly faceted by the grinding movements.
  • Object of the present invention is to provide a device with which the processing of the rail profile and / or the running surface safer, more environmentally friendly or easier to carry out than before.
  • the device according to the invention is characterized by a milling device.
  • the machining of the rail is done by milling and not by grinding. In particular, this applies to the profiling of a prepared by welding a covering rail or edge thereof.
  • the milling device is provided with at least one milling head rotating about a substantially vertical axis. This preferably applies in connection with the machining of grooved rails. The diameter of the milling head is then smaller than the width of the rail groove.
  • the milling head is formed profiled as a contour milling cutter.
  • the contour of the milling head corresponds to the contour of the rail profile to be produced.
  • the milling head must be placed only on the rail and then moved in the longitudinal direction of the rail.
  • the milling head can be configured as an end mill or with milling blades arranged on the circumference.
  • a contour adapted to the cross-sectional profile of the rail is advantageous, it is not absolutely necessary.
  • a head profile of the rail can be completely or partially processed or reworked.
  • a non-contoured cutter different profiles can be processed.
  • the milling head is provided with a guide for engagement with the rail or track system.
  • the milling head is then preferably supported by the guide on a part of the rail during the processing of the same.
  • the milling head may have an axial extension, on which the guide is held. The axial extension is preferably aligned with the axis of rotation of the milling head.
  • the guide is a freely rotatable guide wheel. This can rotate in a plane perpendicular to the axis of rotation of the milling head and supports the latter preferably laterally from the rail profile.
  • the guide - with a vertical axis of rotation - below a plane of a lowermost milling tool is effective.
  • the guide is located below the running edge of the rail, namely in a region that is not usually subject to wear. The distance of the guide from the milling head, moreover, is adjusted accordingly.
  • the milling head is held in a substantially vertical and horizontal direction adjustable on a chassis.
  • “Horizontal” in this case means at least the horizontal direction transverse to the rail longitudinal direction. In this way, a precise adjustment of the milling head for machining is possible.
  • the milling head is pivotally mounted, in particular in an upright and transverse to the rail longitudinal direction plane. This makes possible a universal mobility of the milling head relative to the rail surface, in particular in conjunction with the vertical and horizontal adjustment.
  • the milling head is held on a holding device, wherein the milling head is connected in particular via two or three adjustable holder with the holding device.
  • a milling head drive is connected via the adjustable holder with the holding device. Accordingly, milling head and milling head drive form a manageable unit that is moved relative to the holding device in space.
  • the holders are spindle assemblies or piston-cylinder assemblies. This allows the milling head to be precisely positioned and moved in the room.
  • the spindle arrangements are manually adjustable and / or controlled by stepper motors adjustable. Only manual adjustability is preferred for an easy-to-use device.
  • the milling head can be manually adjusted, for example, outside of a length to be processed section of a rail, a switch, crossing or other track system and then moved only along the rail. In this case, the already mentioned guide the milling head support the precise course of processing.
  • a spindle control via stepper motors allows more complicated movements of the milling head, in particular transversely to the rail longitudinal direction and preferably also the departure of Profilrundungen.
  • the path control of stepper motors by a suitable control unit is known and need not be explained in detail here. The same applies to the control of a combination of stepper motors for achieving a movement in space. It also preprogrammed movements are possible.
  • Analog control may also be provided in conjunction with piston-cylinder assemblies (hydraulic or pneumatic).
  • the milling head is held on a holding device, wherein the holding device is connected to a chassis for moving the holding device along the rail or track system to be processed.
  • the chassis With the chassis a true to the scale movement of the holding device is ensured along the rail.
  • the chassis is motorized along the rails. As a result, a matched to the tool and the materials, optimum feed of the milling head can be maintained.
  • the chassis has at least three wheels which enclose a surface, wherein the milling head is held on the chassis outside a space lying above the enclosed surface.
  • the milling head is held in the direction of travel (feed direction) in front of the enclosed surface on the chassis.
  • the wheels pass only already processed by the milling head rail sections.
  • the milling head in particular as a face milling cutter or contour milling cutter, has a diameter which is as large as the width of a groove in the groove rail or smaller than the width of the groove.
  • the Fräskopf matmesser corresponds to about half the groove width.
  • the milling head diameter can be designed differently thick, for example, between a quarter and the full width of the groove. The greater the difference between the diameter of the milling head and the groove width, the greater the distance that the milling head is theoretically movable transversely to the rail longitudinal direction.
  • a contour milling cutter can have such a large diameter that there is little or no play for a non-machining transverse movement.
  • the diameter of an end mill is based on the width of the groove or the width of the surface to be machined.
  • the end mill can have a diameter which is approximately 50% to 120% of the running surface width.
  • the width of a milling track produced by the milling head is smaller than the width of the groove of a grooved rail and greater than half the width of the groove or 50% to 120% of the width of a running surface to be machined.
  • the width of the groove is preferably defined at half the height of the groove, between the lowest point of the groove to the highest point on the guide rail.
  • a chassis can be provided with at least one spreader.
  • the Sp Drrad ensures a backlash-free or almost backlash-free arrangement of the device in the horizontal direction transverse to the rail longitudinal direction.
  • the device has a device for, in particular, manual lifting and transverse movement of the device.
  • the device may have a pair of wheels or a plurality of wheels as an additional chassis, which is variable relative to the chassis of the device in height.
  • the device can also have a noise protection hood. This insulates the milling noise and protects against chips.
  • the noise control hood is preferably designed so that it can meet the requirements of the Federal Immission Control Ordinance and the relevant administrative regulations, especially with regard to nocturnal work and / or in residential areas.
  • An inventive method for processing rails, grooved rails or track systems, especially running surfaces, driving edges, flat grooves or guide rails is characterized by the use of the milling device according to the invention, as described above.
  • the milling is provided in connection with the previous welding of a repair coating on a milled rail section.
  • the milling device is used to machine the rail section provided with the repair covering to achieve a flat running surface or flat groove or the profile of a running edge or guide rail.
  • the milling device can have the properties mentioned above.
  • a milling head is used as a contour cutter or end mill with a substantially vertical axis of rotation or with a slight inclination to the vertical.
  • Milling head diameter and / or width of a milling track are about 2 cm to 6 cm.
  • only one cutter is used, d. H. the milling track is produced by just one cutter. It is preferable not the milling tracks of multiple cutters combined.
  • a repair coating is welded, for example, in the rail longitudinal direction and then processed to form a desired profile.
  • a milling device is provided with a milling head 18, according to Fig. 1 is formed as a contour cutter, with an outer contour (milling contour) corresponding to the desired cross-sectional profile of the driving edge 15.
  • Corresponding cutting blades are arranged along the intended contour of the milling head 18.
  • the individual cutting blades 19 are preferably offset from one another in the circumferential direction on the milling head 18.
  • the milling head 18 is here drawn with a vertical axis of rotation and in the vertical direction - double arrow 20 - and in the horizontal direction (transverse to the rail longitudinal direction) - double arrow 21 - movable.
  • the milling head 18 may be pivotally supported, in particular about a parallel to the rail longitudinal direction pivot axis 22, which preferably the axis of rotation 23 crosses (touches). The pivoting movement is indicated by the double arrow 24.
  • the milling head 18 is provided at its lower free end 25 with a guide 27 held on an extension 26.
  • the guide 27 here is a freely rotatable about the rotation axis 23 wheel and is at a distance from the bottom of the cutting blade 19 during milling on the head-side wall 17 at.
  • the acted upon by the cutting blades 19 part of the cross-sectional profile extends as far as possible at least as well as in use, a stress on the surface and thus wear of the same is possible.
  • the guide 27 is as possible outside (below) the wear surface on the head-side wall 17 at.
  • Fig. 2a and Fig. 2b show for machining the rail head 11 as a milling head an end mill 28, with at least or exactly a frontal cutter 29 and for processing the rail head top 16 as a running surface and / or the adjacent edge 15.
  • the end mill 28 is correspondingly movable, see double arrows 20, 21st , 24.
  • the end mill 28 is movable in the rail longitudinal direction, see Fig. 2b ,
  • the corrugations forming during operation are preferably machined and smoothed in the running surface.
  • this can be achieved by a movement thereof in the rail longitudinal direction or else a transverse movement corresponding to the double arrow 21 may additionally be necessary.
  • Preference is given to a face milling cutter 28 which, due to its diameter and the circumference covered by the cutting blade 29, only has to be moved in the rail longitudinal direction for machining the running surface.
  • a chassis 30 with a holding device 31 for a milling cutter - milling head 18 or end mill 28 - is in the Fig. 5a to 8a shown.
  • the milling head is covered by the holding device 31.
  • only the milling head 18 is shown for simplicity.
  • the chassis 30 here has a triangular frame with a longitudinal member 32 and two angle brackets 33, 34. At the ends of the longitudinal member 32 is a respective rail wheel 35, 36 stored. The rail wheels 35, 36 run in a common lane.
  • Another rail wheel 37 is mounted at a node 38 of the angle bracket 33, 34.
  • the rail wheels 35 to 37 include a triangular-shaped surface.
  • the chassis 30 has at its three vertices on the top side each have a mounting option, namely eyelets 39, 40, 41 for a not shown carrying harness.
  • the device can be taken as a whole in a simple manner, for example, by a truck and sold.
  • the holding device 31 consists essentially of an upright supporting column 42, which is positioned approximately centrally on the angle bracket 34, and a boom 43, which extends from the upper end of the support column 42 to a through the position of the rail wheel 37 resulting virtual running edge 44 ,
  • the support column 42 is still supported by a diagonal support 45 which extends from the longitudinal member 32 to the upper end of the support column 42.
  • a drive unit 46 is mounted for the milling head 18 together with the same adjustable.
  • three length-adjustable holder 47, 48, 49 are provided, which are designed here as manually adjustable spindle units.
  • an electromotive, hydraulic or pneumatic length adjustment of the holder 47 to 49 is possible.
  • the drive unit 46 depends substantially on the holder 47 under the free end of the boom 43, so that the processing of the running edge 44 is well possible.
  • the holders 48, 49 extend above one another and parallel to one another from the support column 42 to the drive unit 46.
  • the milling head 18 suspended below the drive unit 46 can be positioned relative to the rail 50.
  • the milling head 18 is located in the horizontal direction outside the area enclosed by the rail wheels 35 to 37 and thus at the same time in the direction of travel (arrow 51) in front of the rail wheel 37.
  • the rail wheel 37 passes exclusively already processed areas of the rail 50th ,
  • the feed of the milling head 18 in the rail longitudinal direction is for example possible by electric drive individual or all rail wheels 35 to 37.
  • a correspondingly programmable control of the drive can be provided.
  • electromotive the drive unit 46 operates. To simplify lines, controls and the like are not shown.
  • the illustrated invention is preferably used for the repair and refurbishment of grooved rails for trams, but can also be used in general for the processing and profiling of rails, such as for profiling a rail head, even without prior welding a repair pad.
  • Fig. 7a, 7b can the device according to the invention, in particular the basis of the Fig. 5a to 6 have shown device, a means for lifting and Quervers mecanic.
  • the device may be relatively easily formed with a manually operable lever arm 52 which is pivotable about a pivot bearing 53, wherein the axis of rotation extends parallel to the rail longitudinal direction. Angled relative to the lever arm 52 but firmly connected to this is a shorter support arm 54, at the end of a rotatable wheel 55 is mounted, with a direction transverse to the rail longitudinal direction.
  • a further combination of parts 52, 53, 54, 55 are arranged, which together with the in the Fig. 7a, 7b visible parts 52 to 55 give a two-wheeled frame for lifting and traversing the device.
  • the lever arm 52 is then preferably reversed U-shaped.
  • FIG. 7a the device 31 is shown in working position, namely with the wheel 55 raised and at a distance therefrom to the road surface 56.
  • FIG Fig. 7b the lowered wheel 55, which has 56 contact with the road surface.
  • the diameter of the wheels 55 is dimensioned so that they can easily pass the groove 12 in the transverse direction.
  • a noise protection hood 57 To a lower peripheral edge of the noise protection hood 27 preferably include a rubber skirt or a brush curtain 58 at. A gap between noise protection cover 57 and road surface 56 is thereby reliably closed.
  • the noise protection hood 57 is preferably held detachably on the support column 42 or the extension arm 43.
  • the noise protection hood 57 can therefore be designed to be particularly compact.
  • a spreader 59 according to Fig. 8b be provided.
  • the Sp Dr. 59 has an outer impeller 60, which rolls on the driving edge 15 or the driving surface, and an inner mating gear 61 which bears against an inner edge 62 of the guide rail 13.
  • the distance between the impeller 60 and mating gear 61 is adjustable via a fine thread, so that transverse movements of the spreader 59 in the groove 12 can be avoided.
  • one or two spreader wheels on the chassis 30 and the cutter are arranged opposite, so that the transverse fixing of the chassis takes place along the currently not to be processed rail.
  • Fig. 3a shows the processing of the inner edge 62 by the milling head 18, which is designed here as a contour cutter with circumferentially arranged cutting blades 19. These are preferably parallel to the axis of rotation 23 and at the same time offset in the circumferential direction to each other. In Fig. 3a only an offset in the direction of the axis of rotation 23 can be seen.
  • Fig. 3b shows the processing of a so-called flat groove.
  • a flat groove or filling 63 is preferably provided in the region of a rail crossing 64, see Fig. 4b , Since there are gaps 65 between the intersecting rail head tops at the intersection of the rails, the rail wheels can not rest on a running surface here. In order to avoid sagging of the rail wheels with corresponding shocks of the vehicle, the flat grooves are provided. Only in this area can the wheel flanges 66 of the rail wheels take over the load for a short time.
  • the flat groove wears off due to the pressure of the flanges.
  • filling 63 undergoes a cavity 67 which is filled by welding.
  • the welded material is then placed on the desired dimension milled.
  • This is according to Fig. 3b in particular the end mill 28 is provided.
  • the effective circumference of the end mill 28 is smaller than the width of the groove 12 in this case.
  • Fig. 4a shows as a further advantageous use of the device according to the invention, the processing of a heart 68 of the rail intersection 64.
  • a wear takes place here not only in the region of the filling 63, but also on the running surface 69 of the core 68th
  • a covering 70 is welded on and then milled flat, in particular with the end mill 28.
  • the device according to the invention can be easily and thus constructed mobile. At the same time an effective noise protection by encapsulation is possible.
  • the device is on the one hand during operation and on the other hand even at night, taking into account special requirements for the noise emissions for the processing of grooved rails used.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Milling Processes (AREA)
EP08020936A 2007-12-12 2008-12-03 Dispositif et procédé destiné à traiter des rails, notamment des rails à gorge Withdrawn EP2071078A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200710060215 DE102007060215A1 (de) 2007-12-12 2007-12-12 Vorrichtung zum Bearbeiten einer Fahrkante

Publications (1)

Publication Number Publication Date
EP2071078A1 true EP2071078A1 (fr) 2009-06-17

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EP08020936A Withdrawn EP2071078A1 (fr) 2007-12-12 2008-12-03 Dispositif et procédé destiné à traiter des rails, notamment des rails à gorge

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EP (1) EP2071078A1 (fr)
DE (1) DE102007060215A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009058190A1 (de) 2009-12-15 2011-06-16 Db Netz Ag Verfahren und Vorrichtung zur Profilierung einer Überlaufgeometrie von Gleisbauteilen
WO2015010636A1 (fr) * 2013-07-24 2015-01-29 常州市瑞泰工程机械有限公司 Outil de retrait de cordons de soudure et dispositif de soudage par étincelage de rail d'acier rainuré à section asymétrique l'utilisant
EP3480359A1 (fr) * 2017-11-06 2019-05-08 Geiger + Schüle Beteiligungs-GmbH & Co. KG Dispositif de construction de voies ferrées destiné au traitement de rails
EP3419780A4 (fr) * 2016-02-24 2019-10-23 Holland, L.P. Appareil de fraise portable pour points de soudure de rail et ses procédés d'utilisation
US10941527B2 (en) 2016-02-24 2021-03-09 Holland, L.P. Portable weld milling machine apparatus and methods of using the same

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013012167B4 (de) 2013-07-20 2022-02-03 Airbus Defence and Space GmbH Vorrichtung zur spanenden Bearbeitung von Kanten
DE202017106689U1 (de) 2017-11-06 2017-12-06 Geiger + Schüle Beteiligungs-Gmbh & Co. Kg Gleisbauvorrichtung zur Bearbeitung von Schienen

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2612173A1 (de) * 1975-12-01 1977-06-08 Plasser Bahnbaumasch Franz Fahrbare schienenschleifmaschine
GB2019279A (en) * 1977-12-30 1979-10-31 Plasser Bahnbaumasch Franz Traveling on track machine for smoothing out irregularities on laid rail tracks
DE3222208A1 (de) * 1982-06-12 1983-12-15 Dr. techn. Ernst Linsinger & Co GmbH, 4662 Steyrermühl Vorrichtung zum fraesen von schienenkoepfen
EP0148089A2 (fr) * 1983-12-28 1985-07-10 Societe Des Anciens Etablissements L. Geismar Machine à reprofiler les rails usés
WO1995020071A1 (fr) * 1994-01-19 1995-07-27 Linsinger Maschinenbau Gesellschaft Mbh Procede de fraisage de la surface en forme de bande d'une piece
EP1266999A1 (fr) * 2001-06-12 2002-12-18 Soluxtrafer S.A. Dispositif mobile d'usinage de rails
EP1950348A1 (fr) * 2007-01-29 2008-07-30 Zehnder AG, Zürich Dispositif et procédé de reprofilage de rails
EP1983100A2 (fr) * 2007-04-18 2008-10-22 Plasser Italiana S.R.L. Procédé et dispositif d'alignement de surface et de restauration du profil de deux sections de rail soudées ensemble

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT294887B (de) * 1968-03-27 1971-12-10 Elektro Thermit Gmbh Verfahren zur Beseitigung von Riffeln bzw. zur Verminderung oder Vermeidung der Riffelbildung auf den Lauf- und bzw. oder Führungsflächen von Schienen
AT410952B (de) * 2000-12-06 2003-09-25 Linsinger Maschinenbau Gmbh Fahrbare vorrichtung zum spanabhebenden bearbeiten von schienen

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2612173A1 (de) * 1975-12-01 1977-06-08 Plasser Bahnbaumasch Franz Fahrbare schienenschleifmaschine
GB2019279A (en) * 1977-12-30 1979-10-31 Plasser Bahnbaumasch Franz Traveling on track machine for smoothing out irregularities on laid rail tracks
DE3222208A1 (de) * 1982-06-12 1983-12-15 Dr. techn. Ernst Linsinger & Co GmbH, 4662 Steyrermühl Vorrichtung zum fraesen von schienenkoepfen
EP0148089A2 (fr) * 1983-12-28 1985-07-10 Societe Des Anciens Etablissements L. Geismar Machine à reprofiler les rails usés
WO1995020071A1 (fr) * 1994-01-19 1995-07-27 Linsinger Maschinenbau Gesellschaft Mbh Procede de fraisage de la surface en forme de bande d'une piece
EP1266999A1 (fr) * 2001-06-12 2002-12-18 Soluxtrafer S.A. Dispositif mobile d'usinage de rails
EP1950348A1 (fr) * 2007-01-29 2008-07-30 Zehnder AG, Zürich Dispositif et procédé de reprofilage de rails
EP1983100A2 (fr) * 2007-04-18 2008-10-22 Plasser Italiana S.R.L. Procédé et dispositif d'alignement de surface et de restauration du profil de deux sections de rail soudées ensemble

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009058190A1 (de) 2009-12-15 2011-06-16 Db Netz Ag Verfahren und Vorrichtung zur Profilierung einer Überlaufgeometrie von Gleisbauteilen
WO2011072762A1 (fr) 2009-12-15 2011-06-23 Db Netz Ag Procédé et dispositif de profilage d'une géométrie d'éléments de rail
WO2015010636A1 (fr) * 2013-07-24 2015-01-29 常州市瑞泰工程机械有限公司 Outil de retrait de cordons de soudure et dispositif de soudage par étincelage de rail d'acier rainuré à section asymétrique l'utilisant
EP3419780A4 (fr) * 2016-02-24 2019-10-23 Holland, L.P. Appareil de fraise portable pour points de soudure de rail et ses procédés d'utilisation
US10941527B2 (en) 2016-02-24 2021-03-09 Holland, L.P. Portable weld milling machine apparatus and methods of using the same
EP3480359A1 (fr) * 2017-11-06 2019-05-08 Geiger + Schüle Beteiligungs-GmbH & Co. KG Dispositif de construction de voies ferrées destiné au traitement de rails

Also Published As

Publication number Publication date
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