EP0708205A1 - Procédé et dispositif de traitement des surfaces de roulement de rails par rectification tangentielle - Google Patents

Procédé et dispositif de traitement des surfaces de roulement de rails par rectification tangentielle Download PDF

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Publication number
EP0708205A1
EP0708205A1 EP95890188A EP95890188A EP0708205A1 EP 0708205 A1 EP0708205 A1 EP 0708205A1 EP 95890188 A EP95890188 A EP 95890188A EP 95890188 A EP95890188 A EP 95890188A EP 0708205 A1 EP0708205 A1 EP 0708205A1
Authority
EP
European Patent Office
Prior art keywords
grinding
rails
running surface
grinding body
dressing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP95890188A
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German (de)
English (en)
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EP0708205B1 (fr
Inventor
Josef Dipl.-Ing. Pomikacsek
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Individual
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Individual
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B31/00—Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor
    • E01B31/02—Working rail or other metal track components on the spot
    • E01B31/12—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails
    • E01B31/17—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails by grinding

Definitions

  • the invention relates to a method for machining the running surface of rails by peripheral grinding with the aid of at least one rotating grinding body which is movable along the rails and can be pressed onto the running surface, the axis of rotation of which includes an acute angle with the longitudinal direction of the rail, and a device for carrying out the Procedure.
  • the invention is therefore based on the object of avoiding these deficiencies and of specifying a method for circumferentially grinding the running surface of rails which, with little effort, permits advantageous removal even at comparatively high feed speeds without having to fear overloading.
  • the invention solves this problem in that the tread is ground with the grinding movement that occurs during the frictional rolling of the freely rotatable abrasive body on the tread.
  • the grinding wheel can be freely rotated, the effort otherwise associated with a grinding wheel drive is first dispensed with. Nevertheless, due to the inclination of its axis of rotation relative to the longitudinal direction of the rail, the grinding wheel has a rotational movement due to the friction-induced rolling of the grinding wheel shell on the tread, with a simultaneous sliding movement, so that a sufficient grinding movement between the grinding wheel and the running surface is ensured. This grinding movement increases with increasing feed speed, so that optimal grinding conditions are only achieved at higher feed speeds.
  • the effective depth of the grinding process depends on the contact pressure of the grinding wheel against the running surface of the rails and the grinding movement is not due to a motorized grinding wheel drive. but is determined by the feed of the grinding wheel in the longitudinal direction of the rail, the contact pressure of the grinding wheel on the running surface of the rails can be kept constant over all feed speeds.
  • a dressing tool can be used, with the help of which friction-related rotation of the grinding body can be dressed during grinding according to the desired tread pattern.
  • there are again very simple conditions if a freely rotatable dressing body is pressed onto the grinding body when the running surface is ground, the axes of rotation of the grinding body and the dressing body crossing at an acute angle. Because of this limitation, the dressing body is entrained in rotation by the grinding body, but with a simultaneous sliding movement between the surfaces in contact with one another, which enables the desired dressing process.
  • the grinding wheel can also be braked, although a rotary movement must remain upright.
  • the grinding performance can be increased under certain operating conditions because of the influence on the direction and size of the resulting grinding force.
  • a grinding frame can be set against the running surface of the rails and can be moved along the rails, which has at least one rotatably mounted grinding body for peripheral grinding with an axis of rotation enclosing an acute angle to the longitudinal direction of the rails.
  • the grinding wheel is only to be freely rotatably supported in the grinding frame and is to be supported in the direction of the pressing force by means of a spring body which can optionally be bridged by a rigid support, in order to ensure advantageous grinding conditions which can be adapted to different conditions.
  • the additional resilient support of the grinding wheel causes an increase in the contact pressure in the region of the wave peaks from longitudinal height errors as a function of the spring characteristics of the spring body, so that, to a certain extent, there is a self-regulation of the pressing force of the grinding wheel against the running rail from the respective height error.
  • the spring body can optionally be bridged by a rigid support.
  • the grinding wheel with its hub can be freely rotatably mounted on an axis held in a guide fork. This eliminates the bearings in the guide fork, which can therefore be very simple.
  • a dressing wheel can be provided in the guide fork for the grinding wheel, which is held radially displaceable and can be pressed against the grinding wheel, on the side of the grinding wheel facing away from the running surface of the rails.
  • This dressing body could be arranged stationary with respect to the rotatable grinding body.
  • the rotating dressing body is held in a freely rotatable bearing fork with respect to the guide fork, the axes of rotation of the grinding body and the dressing body crossing at an acute angle.
  • the dressing body is carried along by the grinding body during grinding. This results not only in a rolling movement between the grinding and dressing bodies but also in a sliding displacement, so that the relative movement necessary for dressing is given between the grinding body and the dressing body in the area of contact between these two bodies.
  • the grinding wheel can provide a braking device via which the resulting cutting forces can be influenced.
  • this braking device can be formed by the dressing body. But it would also be possible to use a magnetic particle brake or a hydraulic pump for this purpose.
  • a roller-shaped grinding body 3 is used according to FIGS. 1 and 2, which is mounted on an axis 4 according to FIG. 3 in a freely rotatable manner.
  • This axis of rotation 4 runs in a plane parallel to the rail foot and is inclined relative to the longitudinal direction 5 of the rail at an acute angle ⁇ , for example of 45 °, as can be seen in FIG. 2.
  • the pressing force P of the grinding body 3 against the running surface 1 of the rail 2 can also be selected as a function of the compressive strength of the grinding body 3, which creates different grinding conditions compared to driven grinding wheels.
  • the grinding body 3 and the tread 1 there is an engagement line e extending from one tread longitudinal side to the other, which has an S-shape in the projection plane shown, which runs parallel to the rail foot, the The axis of rotation 4 of the grinding wheel 3 in this projection represents a turning tangent for this line of engagement.
  • the line of engagement e extends over a longitudinal section of the tread 1, which is advantageously longer than the distance between two successive shafts of characteristic longitudinal height errors in the form of corrugations or the like. Since more than one shaft of the running surface is covered by the engagement area of the grinding body 3, the risk of these grooves being copied is greatly reduced.
  • the grinding wheel 3 can be supported via its hub on the rotational axis 4 held in a rotationally fixed manner in a guide fork 6, which not only allows a very compact design, but also enables simple replacement of the grinding wheel 3 together with the rotating axis 4.
  • the axis of rotation 4 for the grinding bodies 3 will run in a plane parallel to the rail base, this is by no means absolutely necessary. To different grinding speeds across the width of the tread To be able to use, the axis of rotation 4 could also be inclined with respect to the plane of the rail foot, as is indicated in FIG. 4. This results in similar conditions for circumferential grinding.
  • a plurality of grinding bodies 3 arranged one behind the other in the longitudinal direction 5 of the rail will be used, which are combined in a grinding frame 7 which is attached to a rail vehicle 8, as is indicated in FIG. 5, which shows two grinding frames 7.
  • These grinding frames 7 are placed on the running surface 1 of the rails 2 by means of an adjusting device 9, with guide wheels 10 taking over the support of the grinding frames 7 with respect to the rail 2.
  • the grinding bodies 3 can be pressed against the tread 1 by a pressure cylinder 11 under a predetermined constant pressure force.
  • the grinding bodies 3 are supported according to FIG. 6 via guide forks 6, which are supported relative to the grinding frame 7 in the pressing direction by a spring body 12, for example a rubber-elastic intermediate piece.
  • This spring body 12 entails additional control of the pressing force in the area of the associated grinding body, because the spring body 12 is subjected to greater stress in the area of a wave crest to be ground, but is relieved in the area of a wave trough.
  • the effect of the spring body 12 can, however, be switched off, in each case by a rigid support 13 bridging this spring body 12, which is connected to the guide fork 6 for the mounting of the grinding body 3 so as to be displaceably fixed via a tubular body 14.
  • This rigid support 13 interacts with a hydraulically actuated support cylinder 15, which either releases the support 13 or forms a height-adjustable abutment for this support, which then prevents the guide fork 6 from shifting in height relative to the grinding frame 7.
  • rotating dressing bodies 16 are used according to FIG. 6, which are freely rotatable in a bearing fork 17 and can be adjusted radially via the bearing fork 17 to the associated grinding body 3.
  • a displacement guide 18 was indicated for the bearing fork 17 in FIG. 6 for reasons of clarity.
  • the bearing forks 17 are connected to a piston rod 19 of a piston 20 which engages in the tubular body 14 acting as a cylinder and is acted upon accordingly by a pressure medium. Since the axis of rotation 21 of the dressing body 16 is set at an acute angle with respect to the axis of rotation 4, there is a rotational entrainment between the rotating grinding body 3 and the freely rotatably mounted dressing body 16 pressed against this grinding body 3, with a simultaneous sliding movement, which the dressing process for the Grinding body 3 enables the dressing body 16 or the grinding body 3 to be driven by a motor.
  • a non-rotatable dressing body could of course also be used, the service life of which naturally has to be reduced.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
EP95890188A 1994-10-20 1995-10-18 Procédé et dispositif de traitement des surfaces de roulement de rails par rectification tangentielle Expired - Lifetime EP0708205B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4437585A DE4437585C1 (de) 1994-10-20 1994-10-20 Verfahren und Vorrichtung zum Bearbeiten der Lauffläche von Schienen durch ein Umfangsschleifen
DE4437585 1994-10-20

Publications (2)

Publication Number Publication Date
EP0708205A1 true EP0708205A1 (fr) 1996-04-24
EP0708205B1 EP0708205B1 (fr) 1998-05-06

Family

ID=6531308

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95890188A Expired - Lifetime EP0708205B1 (fr) 1994-10-20 1995-10-18 Procédé et dispositif de traitement des surfaces de roulement de rails par rectification tangentielle

Country Status (4)

Country Link
US (1) US5580299A (fr)
EP (1) EP0708205B1 (fr)
AT (1) ATE165883T1 (fr)
DE (1) DE4437585C1 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1460176A1 (fr) * 2003-03-20 2004-09-22 Stahlberg Roensch GmbH & Co. KG Dispositif pour reprofiler un rail par meulage
EP2390415A1 (fr) 2010-05-28 2011-11-30 Vossloh High Speed Grinding GmbH Agencement de pierre à aiguiser doté d'un moment et d'une force résultants minimisés
EP2400056A1 (fr) 2010-06-28 2011-12-28 Vossloh High Speed Grinding GmbH Dispositif de traitement des surfaces de roulement de rails par meulage périphérique à l'aide d'un profilé de meulage réglable
EP2886714A1 (fr) 2013-12-17 2015-06-24 Vossloh High Speed Grinding GmbH Tôle d'impact comprenant un revêtement protecteur d'un machine de meulage de rails
EP3031693A1 (fr) 2014-12-11 2016-06-15 Vossloh High Speed Grinding GmbH Châssis à écartement forcé pour un véhicule sur rail et véhicule sur rail doté d'un tel châssis
EP3190230A1 (fr) 2016-01-11 2017-07-12 Vossloh High Speed Grinding GmbH Coussinet pour un élément abrasif
DE102017107059A1 (de) * 2017-04-03 2018-10-04 Ludwig Koehne Schienenschleif-Vorrichtung
EP3779045A1 (fr) 2019-08-13 2021-02-17 Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft m.b.H. Dispositif et procédé d'usinage de la surface d'une tête d'un rail par affûtage de surface
EP3879032A1 (fr) 2020-03-11 2021-09-15 Vossloh Rail Maintenance GmbH Dispositif de réglage permettant de positionner un outil d'usinage par rapport à un rail
DE102021120681B3 (de) 2021-08-09 2022-11-24 Vossloh Rail Services Deutschland GmbH Schleifgestell

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT411912B (de) * 2000-07-17 2004-07-26 Linsinger Maschinenbau Gmbh Verfahren zum schleifen einer schiene sowie vorrichtung zur durchführung des verfahrens
AT410951B (de) 2000-07-17 2003-09-25 Linsinger Maschinenbau Gmbh Verfahren zum reprofilieren mindestens des fahrspiegels einer schiene sowie einrichtung hierzu
GB0212517D0 (en) 2002-05-30 2002-07-10 Balfour Beatty Plc Rail grinding apparatus and method
US6953386B1 (en) 2004-07-19 2005-10-11 Railworks Corporation Active spark control
US6981907B1 (en) 2004-11-03 2006-01-03 Railworks Corporation High angle grinder
US20060196386A1 (en) * 2005-03-01 2006-09-07 Mull James A Model train rail cleaning system
AT515805B1 (de) * 2014-07-29 2015-12-15 Rungger Helmut Schienenfahrzeug mit einer Vorrichtung zum Nachbearbeiten der Lauffläche von Gleisschienen
JP2019044434A (ja) * 2017-08-31 2019-03-22 株式会社ディスコ 鉄道レール修正車両
AT521163B1 (de) * 2018-08-07 2019-11-15 Linsinger Maschb Gesellschaft M B H Verfahren zum Bearbeiten der Lauffläche einer Schiene

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB406610A (en) * 1932-10-04 1934-03-01 Cyril Abraham Fox Method of and machine for grinding track rails
DE2118209A1 (de) * 1970-08-14 1972-02-17 Speno International S A , Genf (Schweiz), Frank Speno Railroad Ballast Cleaning Co Inc , Ithaca, NY (V St A ) Vorrichtung zum Schleifen der lang gestreckten Wellen von Eisenbahnschienen
CH672338A5 (en) * 1987-05-19 1989-11-15 Speno International Rail track profiling equipment - had bladed rotary grinding tool adjustable in two directions and lockable in position
EP0606787A1 (fr) * 1993-01-15 1994-07-20 Travaux Du Sud-Ouest Machine pour le traitement en voie des rails de voie ferrée notamment le décalaminage et la rectification de l'usure ondulatoire

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1169377A (en) * 1915-03-08 1916-01-25 Walter C Barnhart Grinding-machine.
DE640817C (de) * 1932-10-04 1937-01-21 Cyril A Fox Vorrichtung zum Schleifen von Fahrzeugschienen mit Hilfe einer am Umfang wirkenden Schleifscheibe
US1923020A (en) * 1932-10-04 1933-08-15 Cyril A Fox Method of grinding track rails
US2018411A (en) * 1934-08-22 1935-10-22 Charles A Miller Rail grinder
US2140860A (en) * 1937-03-11 1938-12-20 Lawrence C Steele Polisher for rolling mills
DE1098395B (de) * 1954-01-29 1961-01-26 Sheffield Corp Eine Ges Nach D Verfahren zum Abrichten einer gerippten Schleifscheibe
US3214868A (en) * 1963-07-24 1965-11-02 Dale I Riley Dressing, grinding and polishing tool for doffer rolls of carding machines
US3946525A (en) * 1974-11-18 1976-03-30 John Ford Harper Automatic buffing machine
CH663923A5 (de) * 1983-09-24 1988-01-29 Hauni Werke Koerber & Co Kg Abrichteinrichtung fuer bahngesteuertes abrichten von schleifscheibenprofilen.
SE8404350L (sv) * 1984-08-31 1986-03-01 Lidkoepings Mekaniska Verkstad Anordning for profilskerpning av en slipskiva
IT1218120B (it) * 1986-10-01 1990-04-12 Claudio Baldo Macchina molatrice e/o rettificatrice tangenziale
DE3937812C1 (fr) * 1989-11-14 1991-03-21 Linsinger Maschinenbau Ges.M.B.H., Steyrermuehl, At

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB406610A (en) * 1932-10-04 1934-03-01 Cyril Abraham Fox Method of and machine for grinding track rails
DE2118209A1 (de) * 1970-08-14 1972-02-17 Speno International S A , Genf (Schweiz), Frank Speno Railroad Ballast Cleaning Co Inc , Ithaca, NY (V St A ) Vorrichtung zum Schleifen der lang gestreckten Wellen von Eisenbahnschienen
DE2118209C3 (de) 1970-08-14 1982-04-08 Frank Speno Railroad Ballast Cleaning Co. Inc., Ithaca, N.Y. Vorrichtung zum Schleifen der langgestreckten Wellen von Eisenbahnschienen
CH672338A5 (en) * 1987-05-19 1989-11-15 Speno International Rail track profiling equipment - had bladed rotary grinding tool adjustable in two directions and lockable in position
EP0606787A1 (fr) * 1993-01-15 1994-07-20 Travaux Du Sud-Ouest Machine pour le traitement en voie des rails de voie ferrée notamment le décalaminage et la rectification de l'usure ondulatoire

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1460176A1 (fr) * 2003-03-20 2004-09-22 Stahlberg Roensch GmbH & Co. KG Dispositif pour reprofiler un rail par meulage
WO2004083524A1 (fr) * 2003-03-20 2004-09-30 Stahlberg Roensch Gmbh & Co. Kg Dispositif d'usinage des surfaces de roulement de rails par rectification peripherique
EP2390415A1 (fr) 2010-05-28 2011-11-30 Vossloh High Speed Grinding GmbH Agencement de pierre à aiguiser doté d'un moment et d'une force résultants minimisés
EP2400056A1 (fr) 2010-06-28 2011-12-28 Vossloh High Speed Grinding GmbH Dispositif de traitement des surfaces de roulement de rails par meulage périphérique à l'aide d'un profilé de meulage réglable
EP2886714A1 (fr) 2013-12-17 2015-06-24 Vossloh High Speed Grinding GmbH Tôle d'impact comprenant un revêtement protecteur d'un machine de meulage de rails
EP3031693A1 (fr) 2014-12-11 2016-06-15 Vossloh High Speed Grinding GmbH Châssis à écartement forcé pour un véhicule sur rail et véhicule sur rail doté d'un tel châssis
EP3190230A1 (fr) 2016-01-11 2017-07-12 Vossloh High Speed Grinding GmbH Coussinet pour un élément abrasif
CN106979228A (zh) * 2016-01-11 2017-07-25 福斯罗高速打磨有限公司 用于研磨件的轴套
DE102017107059A1 (de) * 2017-04-03 2018-10-04 Ludwig Koehne Schienenschleif-Vorrichtung
EP3779045A1 (fr) 2019-08-13 2021-02-17 Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft m.b.H. Dispositif et procédé d'usinage de la surface d'une tête d'un rail par affûtage de surface
EP3879032A1 (fr) 2020-03-11 2021-09-15 Vossloh Rail Maintenance GmbH Dispositif de réglage permettant de positionner un outil d'usinage par rapport à un rail
DE102021120681B3 (de) 2021-08-09 2022-11-24 Vossloh Rail Services Deutschland GmbH Schleifgestell

Also Published As

Publication number Publication date
EP0708205B1 (fr) 1998-05-06
DE4437585C1 (de) 1996-03-21
ATE165883T1 (de) 1998-05-15
US5580299A (en) 1996-12-03

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