EP0708205B1 - Verfahren und Vorrichtung zum Bearbeiten der Lauffläche von Schienen durch ein Umfangsschleifen - Google Patents
Verfahren und Vorrichtung zum Bearbeiten der Lauffläche von Schienen durch ein Umfangsschleifen Download PDFInfo
- Publication number
- EP0708205B1 EP0708205B1 EP95890188A EP95890188A EP0708205B1 EP 0708205 B1 EP0708205 B1 EP 0708205B1 EP 95890188 A EP95890188 A EP 95890188A EP 95890188 A EP95890188 A EP 95890188A EP 0708205 B1 EP0708205 B1 EP 0708205B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- grinding
- rails
- tread surface
- rail
- grinding member
- 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
Links
- 238000000034 method Methods 0.000 title claims description 15
- 238000005096 rolling process Methods 0.000 title claims description 6
- 230000002093 peripheral effect Effects 0.000 claims abstract description 12
- 230000001154 acute effect Effects 0.000 claims abstract description 11
- 238000003754 machining Methods 0.000 claims description 2
- 238000003825 pressing Methods 0.000 description 10
- 238000005520 cutting process Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- 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 tread of Rails by circumferential grinding using at least one along the Rails movable and rotating on their tread Grinding body, the axis of rotation of which points to the longitudinal direction of the rail Includes angle, and on a device for performing the method.
- the invention is therefore based on the object of avoiding these deficiencies and to provide a method for circumferentially grinding the tread of rails, that with little effort also an advantageous removal comparatively high feed speeds allowed without overloading to fear.
- the invention solves this problem in that the tread with the when the freely rotating grinding wheel rolls on the Tread of this opposite grinding movement is ground.
- the effective depth of the grinding process from the contact pressure of the grinding wheel the running surface of the rails depends and not the grinding movement by one motorized grinding wheel drive, but by feeding the grinding wheel is determined in the longitudinal direction of the rail, the contact pressure of the grinding wheel on the running surface of the rails at all feed speeds be kept constant.
- a dressing tool can be used, with the help of which friction-related rotation of the grinding wheel during grinding can be dressed according to the desired tread pattern.
- very simple conditions arise, if a freely rotatable when grinding the tread on the grinding wheel Dressing body is pressed, the axes of rotation of the grinding body and cross the dressing body at an acute angle. Based on these Restriction results in a rotational entrainment of the dressing body by the Grinding wheel, but with a simultaneous sliding movement between the surfaces touching one another, which results in the desired dressing process enables.
- the grinding wheel are additionally braked, although one Rotational movement must remain upright. By braking the Under certain operating conditions, the grinding wheel can affect the grinding performance the influence on the direction and size of the resulting grinding force increase.
- the method according to the invention for peripheral grinding Tread of rails can go from one to the tread of the rails adjustable and movable grinding frame along the rails be, the at least one rotatably mounted grinding body for peripheral grinding with an acute angle to the longitudinal direction of the rail Has axis of rotation.
- the grinding wheel is only free to be rotatably supported in the grinding frame and in the direction of one against the running surface the pressing force directed by the rails by either a rigid one Support bridgeable spring body against the grinding frame, about advantageous grinding conditions that can be adapted to different conditions ensure.
- the additional resilient support of the grinding wheel due to longitudinal height errors in the area of the wave crests Increasing the contact pressure depending on the spring characteristics of the spring body, so that there is a self-regulation of the pressing force of the cutting body depending on the running rail from the respective height error.
- This alternative way of grinding wheel against an increasing pressing force is not always desirable.
- the spring body can optionally by a rigid support be bridged.
- the grinding wheel can its hub rotates freely on an axis held in a guide fork be stored. This eliminates the bearings in the guide fork, which is therefore very can just fail.
- To dress the grinding wheel can be on the tread of the rails opposite side of the grinding wheel in the guide fork for the grinding wheel this is held radially displaceable and on the grinding wheel Pressable dressing body can be provided.
- This dresser could be arranged stationary with respect to the rotatable grinding wheel. More advantageous However, conditions arise when the rotating dressing body freely rotatable in a radially displaceable relative to the guide fork Bearing fork is held, the axes of rotation of the grinding wheel and the Cross the dressing body at an acute angle. When pressing the Dressing body on the grinding body becomes the dressing body during grinding taken the grinding wheel. This does not only result in a rolling motion between grinding and dressing body but also a sliding displacement, so that the relative movement necessary for dressing between the Grinding body and the dressing body in the contact area of these two bodies given is.
- the grinding wheel can provide a braking device via which the resulting cutting forces can be influenced.
- this braking device can are 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 according to FIG. 3 is freely rotatable on an axis 4.
- 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 abrasive body 3 is pressed under a predetermined pressing force P against the tread surface 1 of the rail 2 and moved v l in the rail longitudinal direction 5 at a feed rate, so 3, two velocity components can be made of this feed speed v l, due to the frictional engagement between the tread 1 and the abrasive v u and v s are derived, from which the speed component v u corresponds to the peripheral speed of the grinding wheel 3 rolling on the tread 1 and the speed component v s corresponds to the actual grinding speed as a result of a sliding movement between the rail and the grinding wheel.
- the tread 1 is thus ground over the inclined grinding body 3, the grinding speed being decisively determined by the feed speed, as can be seen directly from 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 wheel 3 can be moved over its Hub on the rotational axis 4 held in a guide fork 6 in a rotationally fixed manner be stored, which not only allows a very compact design, but also a simple replacement of the grinding body 3 together with the axis of rotation 4 enables.
- the axis of rotation 4 for the grinding wheel 3 in one Rail foot parallel plane is by no means mandatory required.
- the axis of rotation 4 could also with respect to the The plane of the rail foot is inclined, as indicated in FIG. 4 is. This results in similar conditions for circumferential grinding.
- grinding wheel 3 In practice, several are usually arranged one behind the other in the longitudinal direction 5 of the rail arranged grinding wheel 3 are used, which in one Grinding frame 7 are summarized, which on a rail vehicle 8th is attached, as indicated in Fig. 5, the two grinding frames 7 shows.
- These grinding frames 7 are connected to the Tread 1 of the rails 2 are employed, guide wheels 10 providing the support take over the grinding frames 7 opposite the rail 2.
- These guide wheels 10 opposite can the grinding wheel 3 via pressure cylinder 11 under a predetermined constant pressing force against the tread 1 will.
- the grinding wheels 3 are supported according to FIG. 6 via Guide forks 6 which are in relation to the grinding frame 7 in the pressing direction a spring body 12, for example a rubber-elastic intermediate piece, are supported.
- This spring body 12 brings additional control of the Pressing force in the area of the associated grinding wheel with it because of Spring body 12 is more heavily loaded in the area of a wave crest to be ground, is relieved in the area of a trough.
- 12 can be switched off, in each case by one of these Spring body 12 bridging, rigid support 13, which has a tubular body 14 fixed with the guide fork 6 for mounting the grinding wheel 3 connected is.
- This rigid support 13 acts with a hydraulically operated Support cylinder 15 together, which either releases the support 13 or for this support forms a height-adjustable abutment, which then a height shift of the guide fork 6 relative to the grinding frame 7 prevented.
- rotating dressing body 16 which in a storage fork 17 held freely rotatable and via the storage fork 17 to the associated grinding wheel 3 are radially adjustable.
- a pivot bearing the bearing fork 17 is more advantageous during grinding, was shown in FIG. 6, for reasons of clarity, a sliding guide for the bearing fork 17 18 indicated.
- the bearing forks 17 For pressing the dressing body 16 onto the associated grinding body 3 are the bearing forks 17 with a piston rod 19 of a piston 20 connected, which engages in the tubular body 14 acting as a cylinder and via a pressure medium is applied accordingly. Since the axis of rotation 21 of the Dressing body 16 with respect to the axis of rotation 4 at an acute angle runs obliquely, results between the rotating grinding wheel 3 and the dressing body, which is pressed against this grinding body 3 and is freely rotatably mounted 16 a rotary drive under a simultaneous sliding movement, which the Dressing process for the grinding body 3 enables without the dressing body 16 or the grinding wheel 3 would have to be driven by a motor. Instead of one rotatable dressing body 16 could of course also be a non-rotatable held dressing body kick, whose service life is naturally set shorter must become.
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)
Description
- Fig. 1
- einen erfindungsgemäß eingesetzten Schleifkörper in einer schematischen Ansicht in Schienenlängsrichtung,
- Fig. 2
- den Schleifkörper nach der Fig.1 in einer Draufsicht,
- Fig. 3
- einen Schnitt nach der Linie III-III der Fig. 1,
- Fig. 4
- eine der Fig. 1 entsprechende Darstellung einer Konstruktionsvariante,
- Fig. 5
- ein Schienenfahrzeug mit zwei erfindungsgemäßen Vorrichtungen zum Umfangsschleifen der Lauffläche von Schienen ausschnittsweise in einer vereinfachten Seitenansicht in einem kleineren Maßstab und
- Fig. 6
- einen Schnitt nach der Linie Vl-Vl der Fig. 5 in einem größeren Maßstab.
Claims (9)
- Verfahren zum Bearbeiten der Lauffläche von Schienen durch ein Umfangsschleifen mit Hilfe wenigstens eines entlang der Schienen bewegbaren und an deren Lauffläche andrückbaren, rotierenden Schleifkörpers, dessen Drehachse mit der Schienenlängsrichtung einen spitzen Winkel einschließt, dadurch gekennzeichnet, daß die Lauffläche mit der beim reibungsbedingten Abwälzen des frei drehbaren Schleifkörpers auf der Lauffläche dieser gegenüber auftretenden Schleifbewegung geschliffen wird.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß der Anpreßdruck des Schleifkörpers an die Lauffläche der Schienen konstant gehalten wird.
- Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß beim Schleifen der Lauffläche an den Schleifkörper ein frei drehbarer Abrichtkörper angedrückt wird, wobei sich die Drehachsen des Schleifkörpers und des Abrichtkörpers unter einem spitzen Winkel kreuzen.
- Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der Schleifkörper gebremst wird.
- Vorrichtung zur Durchführung des Verfahrens nach einem der Ansprüche 1 bis 4 mit einem an die Lauffläche (1) der Schienen (2) anstellbaren und entlang der Schienen (2) verfahrbaren Schleifgestell (7), das wenigstens einen drehbar gelagerten Schleifkörper (3) zum Umfangsschleifen mit einer zur Schienenlängsrichtung (5) einen spitzen Winkel (α) einschließenden Drehachse (4) aufweist, dadurch gekennzeichnet, daß der Schleifkörper (3) frei drehbar im Schleifgestell (7) gelagert und in Richtung einer gegen die Lauffläche (1) der Schienen (2) gerichteten Andrückkraft durch einen wahlweise durch eine starre Abstützung (13) überbrückbaren Federkörper (12) gegenüber dem Schleifgestell (7) abgestützt ist.
- Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß der Schleifkörper (3) mit seiner Nabe frei drehbar auf einer in einer Führungsgabel (6) gehaltenen Achse (4) gelagert ist.
- Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, daß auf der von der Lauffläche (1) der Schienen (2) abgewandten Seite des Schleifkörpers (3) ein in der Führungsgabel (6) für den Schleifkörper (3) diesem gegenüber radial verlagerbar gehaltener und an den Schleifkörper (3) andrückbarer Abrichtkörper (16) vorgesehen ist.
- Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, daß der rotierende Abrichtkörper (16) frei drehbar in einer gegenüber der Führungsgabel (6) radial verlagerbaren Lagergabel (17) gehalten ist, wobei sich die Drehachsen (4, 21) des Schleifkörpers (3) und des Abrichtkörpers (16) unter einem spitzen Winkel kreuzen.
- Vorrichtung nach einem der Ansprüche 5 bis 8, dadurch gekennzeichnet, daß für den Schleifkörper (3) eine Bremseinrichtung vorgesehen ist.
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 EP0708205A1 (de) | 1996-04-24 |
EP0708205B1 true EP0708205B1 (de) | 1998-05-06 |
Family
ID=6531308
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95890188A Expired - Lifetime EP0708205B1 (de) | 1994-10-20 | 1995-10-18 | Verfahren und Vorrichtung zum Bearbeiten der Lauffläche von Schienen durch ein Umfangsschleifen |
Country Status (4)
Country | Link |
---|---|
US (1) | US5580299A (de) |
EP (1) | EP0708205B1 (de) |
AT (1) | ATE165883T1 (de) |
DE (1) | DE4437585C1 (de) |
Families Citing this family (19)
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 |
DE50304209D1 (de) * | 2003-03-20 | 2006-08-24 | Stahlberg Roensch Gmbh & Co Kg | Vorrichtung zum Bearbeiten der Laufflächen von Schienen durch Umfangsschleifen |
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 |
EP2390415B1 (de) | 2010-05-28 | 2015-04-29 | Vossloh High Speed Grinding GmbH | Schleifsteinanordnung mit minimierten resultierenden Moment und Kraft |
EP2400056A1 (de) | 2010-06-28 | 2011-12-28 | Vossloh High Speed Grinding GmbH | Vorrichtung zum Bearbeiten der Laufflächen von Schienen durch Umfangsschleifen mit einstellbarem Schleifprofil |
EP2886714B1 (de) | 2013-12-17 | 2017-09-27 | Vossloh High Speed Grinding GmbH | Prallblech mit Schutzbeschichtung für eine Schienenschleifmaschine |
AT515805B1 (de) * | 2014-07-29 | 2015-12-15 | Rungger Helmut | Schienenfahrzeug mit einer Vorrichtung zum Nachbearbeiten der Lauffläche von Gleisschienen |
EP3031693B1 (de) | 2014-12-11 | 2018-11-21 | Vossloh High Speed Grinding GmbH | Zwangsgespreiztes Fahrgestell für ein Schienenfahrzeug und Schienenfahrzeug mit einem solchen Fahrgestell |
EP3190230A1 (de) | 2016-01-11 | 2017-07-12 | Vossloh High Speed Grinding GmbH | Lagerbuchse für ein schleifelement |
DE102017107059A1 (de) * | 2017-04-03 | 2018-10-04 | Ludwig Koehne | Schienenschleif-Vorrichtung |
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 |
AT522861A1 (de) | 2019-08-13 | 2021-02-15 | Plasser & Theurer Export Von Bahnbaumaschinen Gmbh | Vorrichtung und Verfahren zum Bearbeiten der Oberfläche eines Schienenkopfes einer Schiene durch Stirnschleifen |
EP3879032B1 (de) | 2020-03-11 | 2024-04-17 | Vossloh Rail Maintenance GmbH | Stelleinrichtung zum positionieren eines bearbeitungswerkzeuges relativ zu einer schiene |
DE102021120681B3 (de) | 2021-08-09 | 2022-11-24 | Vossloh Rail Services Deutschland GmbH | Schleifgestell |
Family Cites Families (16)
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 |
GB406610A (en) * | 1932-10-04 | 1934-03-01 | Cyril Abraham Fox | Method of and machine for 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 |
CH529260A (fr) * | 1970-08-14 | 1972-10-15 | Speno Internat S A | Procédé de meulage des ondes longues d'ondulation des rails de chemin de fer et dispositif pour sa mise en oeuvre |
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 |
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 |
DE3937812C1 (de) * | 1989-11-14 | 1991-03-21 | Linsinger Maschinenbau Ges.M.B.H., Steyrermuehl, At | |
FR2700561B1 (fr) * | 1993-01-15 | 1995-04-07 | Mach Voie Ferree | Machine pour le traitement en voie des rails de voie ferrée notamment le décalaminage et la rectification de l'usure ondulatoire. |
-
1994
- 1994-10-20 DE DE4437585A patent/DE4437585C1/de not_active Expired - Lifetime
-
1995
- 1995-06-02 US US08/458,265 patent/US5580299A/en not_active Expired - Lifetime
- 1995-10-18 AT AT95890188T patent/ATE165883T1/de active
- 1995-10-18 EP EP95890188A patent/EP0708205B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5580299A (en) | 1996-12-03 |
DE4437585C1 (de) | 1996-03-21 |
ATE165883T1 (de) | 1998-05-15 |
EP0708205A1 (de) | 1996-04-24 |
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