EP1460176B1 - Dispositif pour reprofiler un rail par meulage - Google Patents

Dispositif pour reprofiler un rail par meulage Download PDF

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Publication number
EP1460176B1
EP1460176B1 EP03006321A EP03006321A EP1460176B1 EP 1460176 B1 EP1460176 B1 EP 1460176B1 EP 03006321 A EP03006321 A EP 03006321A EP 03006321 A EP03006321 A EP 03006321A EP 1460176 B1 EP1460176 B1 EP 1460176B1
Authority
EP
European Patent Office
Prior art keywords
grinding
rail
grinding wheel
running surface
wheel
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
Application number
EP03006321A
Other languages
German (de)
English (en)
Other versions
EP1460176A1 (fr
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.)
Vossloh High Speed Grinding GmbH
Original Assignee
Stahlberg Roensch & Co KG GmbH
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
Priority to AT03006321T priority Critical patent/ATE333006T1/de
Application filed by Stahlberg Roensch & Co KG GmbH filed Critical Stahlberg Roensch & Co KG GmbH
Priority to ES03006321T priority patent/ES2269848T3/es
Priority to EP03006321A priority patent/EP1460176B1/fr
Priority to DE50304209T priority patent/DE50304209D1/de
Priority to PCT/EP2004/002884 priority patent/WO2004083524A1/fr
Priority to CNB2004800066408A priority patent/CN100532719C/zh
Priority to JP2006504745A priority patent/JP4586016B2/ja
Publication of EP1460176A1 publication Critical patent/EP1460176A1/fr
Application granted granted Critical
Publication of EP1460176B1 publication Critical patent/EP1460176B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E01B31/17—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails by grinding

Definitions

  • the invention relates to a device for machining the running surface of rails by peripheral grinding with an engageable on the running surface of the rail and movable rail along the grinding frame, which has at least one freely rotatably mounted grinding wheel for peripheral grinding with an inclining to the rail longitudinal direction an acute angle axis of rotation.
  • Prolonged use shows signs of wear on rails in railway tracks. These consist, in the 'main thing in material shifts in the rail and cracking in the rail body.
  • the material displacements caused by the forces caused by the train wheel on the rail cause two wear phenomena.
  • the material of the rail is moved transversely. That is, on the rail body, material is shifted from the side on which the wheel of the train is running to the other side, there is a profile change, which adversely affects the rail operation.
  • the material is longitudinally displaced, which leads to the formation of ripples in the rail longitudinal direction. These ripples have a disturbing effect on the driving operation, lead to an increased formation of driving noise and thus noise pollution and are therefore undesirable.
  • a simple and effective measure with which all described errors or changes to the rails can be eliminated or treated, is the grinding of the rails.
  • the running surface of the rail usually by a measure of about 5/100 mm, abraded and material displacements are compensated, and resulting microcracks are ground flat.
  • the device shown in EP 0 708 205 B1 still has a disadvantage that is worthy of improvement.
  • the grinding process is hampered in the passage of switches, track intersections and similar track components.
  • the shaped abrasive bodies as shown in EP 0 709 205 B1 remain at a turnout with the on the outside of the rail (the second rail the side facing away from the grinding edge surface section hang on the heart of the switch or the tongue.
  • the invention has the object , a device of the type mentioned in such a way that it also switches and similar track components can be edited with it, without causing a significant reduction in the operating speed is required.
  • the invention is based on the finding that it is sufficient for a grinding treatment to grind only the upper running surface actually traveled by a track wheel and, if appropriate, the running edge traveled by the track wheel.
  • a grinding treatment When laid to track rails only the opposite rail facing inner edges of the rails are driven and claimed accordingly.
  • the outer edges of the rails are not driven by the track wheel and therefore experience a much lower stress, which does not require a grinding of these edges.
  • the abrasive body according to the invention now has an abrasive surface, which has only the upper running surface of the rail and / or one of the two laterally adjoining the upper tread side edges, namely in practice the inner or running edge, the rail overlapping contour , the mentioned impediments are avoided in a turnout passage or the passage of a similar track component, and the device can also grind the rails with increased forward speed in areas with such track components.
  • a further advantage results from the fact that the abrasive bodies to be used according to the invention can be dimensioned smaller due to the reduced grinding surface compared with the grinding bodies previously known from EP 0 708 205 B1.
  • the abrasive articles are expensive to manufacture, with manufacturing costs increasing with increasing size of the abrasive article.
  • the use of smaller abrasives thus means a cost savings in the production. Since the abrasive bodies are naturally wear parts which are to be replaced regularly, a smaller cost due to the smaller grinding bodies also results in terms of operating and maintenance costs.
  • the at least one abrasive body is preferably formed rotationally symmetrical to its axis of rotation.
  • the at least one grinding body is preferably supported in the direction of a pressing force directed against the running surface of the rail by a spring body, which can be bridged over by a rigid support, relative to the grinding frame.
  • the resilient support of the abrasive body caused in the range of wave crests of the above-described waviness of the rail an increase in the contact pressure as a function of the spring characteristic of the spring body, so that in a sense results in a self-regulation of the contact pressure of the grinding wheel to the tread of the rail in dependence on the respective height error.
  • the spring body can optionally be bridged by a rigid support.
  • At least two grinding bodies are arranged, of which one forms a grinding surface with a contour shaped for grinding the upper running surface of the rail and a second forms a grinding surface with a side edge adjoining the upper running surface of the rail for grinding Has contour.
  • two grinding bodies which are specially designed for grinding certain regions of the running surface of the rail, they can be contoured in a particularly targeted manner along their grinding surface in order to grind the respective area of the running surface as precisely as possible. This results in a particularly good microsection, that is to say a particularly good form of the rail after the grinding, combined with good running properties of the rail.
  • the grinding wheels can also be made particularly small and compact with the cost advantages already mentioned above.
  • the first grinding body has a substantially truncated cone-shaped, possibly slightly concave grinding surface in the axial direction of the grinding body and that the second grinding body has an abrasive surface which is made a first substantially truncated cone-shaped, in the axial direction of the grinding body optionally slightly concave portion and a second, in the axial direction of the grinding body adjacent to the first portion portion in which the grinding surface is seen in the axial direction of the grinding body is curved concavely outwardly composed.
  • the first abrasive article is made in practice as a truncated cone and used for grinding the upper tread of the rail.
  • a slightly concave profile complementary to the curvature of the upper running surface of the rail will grind into the grinding surface of the first grinding body.
  • Such a slightly concave profile can already be formed in the grinding surface of the first grinding body during production.
  • the truncated cone shape of the first abrasive body has proven to be advantageous in terms of the profile of the ground with this upper grinding surface tread.
  • the second abrasive article has an abrasive surface divided into two sections. In a first section, the second abrasive body is also frusto-conically shaped. This section is followed by a second section in which the second abrasive body has a concave outwardly extending "collar". This design of the second abrasive body provides a good suitability for grinding the edge of the tread, in particular the inner or driving edge.
  • the axial length of the grinding surface preferably corresponds substantially to approximately the width of the upper running surface of the rail to be machined
  • the first portion of the grinding surface of the second abrasive body in the axial direction is preferably shorter than the width of the upper tread to be processed.
  • the grinding frame can be arranged one behind the other in the rail longitudinal direction a plurality of grinding wheels, wherein the axes of rotation are all aligned parallel and at an acute angle to the rail longitudinal direction.
  • a parallel arrangement is shown for known shaped abrasive articles in Fig. 5 of EP 0 708 205 B1. It leads to a particularly compact design.
  • grinding wheels can be arranged one behind the other in the grinding frame in the longitudinal direction of the rails, their axes of rotation in a substantially horizontal plane but alternately at an angle of between 60 ° and 120 °, preferably about 90 °, twisted to each other and at an acute angle to the rail longitudinal direction are aligned.
  • an arrangement can not be made as compact as that described above, it has advantages in terms of the grinding result.
  • abrasive body 20 is shown schematically as it is placed on a rail 1.
  • Fig. 2 is a plan view from above of the arrangement shown in Fig. 1 is shown.
  • the grinding wheel 20 is freely rotatably mounted with its axis of rotation 21 in a grinding frame, not shown, a grinding device according to the invention and constructed rotationally symmetrical to this axis of rotation 21.
  • the abrasive body 20 has an abrasive surface 22 composed of two sections. In a first section 23, it corresponds to the lateral surface of a truncated cone. In a second section 24, it is concavely arched outwards, thus forming a collar 25 of the grinding wheel 20.
  • the grinding wheel 20 during operation comprises the inner edge 3 of the rail 1 and grinds it.
  • the axis of rotation 21 of the grinding wheel 20 is arranged horizontally and at an acute angle ⁇ to the rail longitudinal direction 5 employed.
  • the angle ⁇ is in the illustrated embodiment 72 °.
  • the diameter of the grinding wheel is 200 mm.
  • the freely rotatably mounted grinding body 20 is pulled in operation in the inclined position shown to the rail longitudinal direction 5 in this direction, resulting in a grinding effect also for this abrasive body 20 according to the principle described in EP 0708502 B1.
  • a forming a preferred part of the device according to the invention forming grinding wheel 10 is shown schematically as it is placed on a rail 1.
  • Fig. 2 is a plan view from above of the arrangement shown in Fig. 1 is shown.
  • the grinding body 10 is freely rotatably mounted with its axis of rotation 11 in a grinding frame, not shown, a grinding device according to the invention and constructed rotationally symmetrical about this axis of rotation 11.
  • the grinding body 10 is frusto-conical with a slightly concave curved grinding surface 12 in the axial direction. The slight concave curvature shown can already be provided in the grinding body 10 during its manufacture.
  • the abrasive body 10 is made as a truncated cone, and the concave curvature is introduced only by the grinding of the rail 1 as a complementary curvature to the curvature of the upper tread 2 in the grinding surface 12.
  • the axis of rotation 11 of the grinding wheel 10 is arranged horizontally and at an acute angle ⁇ to the rail longitudinal direction 5 employed.
  • the angle ⁇ is 40 ° in the embodiment shown.
  • the diameter of the grinding wheel is 200 mm.
  • a plurality of the grinding members 10 and 20 in the rail longitudinal direction 5 in succession, each arranged at an acute angle to the rail 1 are combined to form a unit.
  • a device according to the invention may further comprise parallel units for simultaneously processing the two rails of a track.
  • the grinding bodies 10, 20 can be arranged as shown in the exemplary embodiments of EP 0 708 502 B1 by means of grinding bodies of known geometry, but they can also be arranged at an angle of between 60 ° and 120 °, preferably about 90 °, in each case. in a horizontal. Level against each other twisted axes of rotation 11, 21 may be arranged.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)

Claims (8)

  1. Dispositif pour profiler la surface de roulement (2, 3, 4) de rails (1) par meulage avec un bâti de meulage pouvant être placé sur la surface de roulement (2, 3, 4) du rail (1) et déplaçable le long du rail (1), qui présente au moins un corps de meulage (10, 20) logé de façon à pouvoir tourner librement pour le meulage avec un axe de rotation (11, 21) formant un angle (α) aigu par rapport au sens longitudinal des rails (5), caractérisé en ce qu'une surface de meulage (22) pour le profilage des rails par le corps de meulage (20) présente un contour qui recouvre uniquement l'une des deux arêtes latérales (3) du rail (1), qui font suite latéralement à une surface de roulement (2) supérieure du rail (1), ou présente un tel contour qui recouvre par les deux arêtes latérales (3, 4) du rail (1) seulement une telle arête latérale (3) et en plus au moins une partie de la surface de roulement (2) supérieure du rail (1).
  2. Dispositif selon la revendication 1, caractérisé en ce que dans le bâti de meulage sont disposés au moins deux corps de meulage (10, 20), dont un premier (10) présente une surface de meulage (11) avec un contour formé pour le meulage de la surface de roulement (2) supérieure du rail (1) et un second corps (20) présente une surface de meulage (21) avec un contour formé pour le meulage de l'arête latérale (3) faisant suite à la surface de roulement (2) supérieure du rail (1).
  3. Dispositif selon la revendication 2, caractérisé en ce que le premier corps de meulage (10) présente une surface de meulage (11) sensiblement en forme d'enveloppe de cône tronqué, éventuellement légèrement concave dans la direction axiale du corps de meulage (10) et en ce que le second corps de meulage (20) présente une surface de meulage (21) qui se compose d'une première partie (23) sensiblement en forme d'enveloppe de cône tronqué, éventuellement légèrement concave dans la direction axiale du corps de meulage (20) et d'une seconde partie (24) contiguë à la première partie (23) dans la direction axiale du corps de meulage (20), partie dans laquelle la surface de meulage (21) s'étend pliée de façon concave vers l'extérieur vue dans la direction axiale du corps de meulage (20).
  4. Dispositif selon la revendication 3, caractérisé en ce que la longueur axiale de la surface de meulage (11) du premier corps de meulage (10) correspond sensiblement à peu près à la largeur de la surface de roulement (2) supérieure à profiler du rail (1), alors que la première partie (23) de la surface de meulage (21) du second corps de meulage (20) est plus courte dans la direction axiale que la largeur de la surface de roulement (2) supérieure à profiler.
  5. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce que le/les corps de meulage (10, 20) est/sont symétrique(s) en rotation par rapport à son(leurs) axe(s) de rotation (11, 21).
  6. Dispositif selon l'une des revendications 1 à 5, caractérisé en ce que le/les corps de meulage (10, 20) est/sont soutenu(s) en direction d'une force d'appui dirigée vers la surface de frottement (2, 3, 4) du rail (1) par un corps de ressort, pouvant être surmonté en option par un support rigide, par rapport au bâti de meulage.
  7. Dispositif selon l'une des revendications 1 à 6, caractérisé en ce que plusieurs corps de meulage (10, 20) sont disposés les uns derrière les autres, vus dans la direction longitudinale du rail (5), dans le bâti de meulage, leurs axes de rotation (11, 21) étant tous orientés parallèlement et avec un angle (α) aigu par rapport à la direction longitudinale du rail (5).
  8. Dispositif selon l'une des revendications 1 à 6, caractérisé en ce que plusieurs corps de meulage (10, 20) sont disposés les uns derrière les autres, vus dans la direction longitudinale du rail (5), dans le bâti de meulage, leurs axes de rotation (11, 21) étant orientés dans un plan sensiblement horizontal, mais tournés alternativement d'un angle compris entre 60° et 120°, de préférence d'environ 90°, les uns par rapport aux autres et avec un angle aigu (α) par rapport à la direction longitudinale du rail (5).
EP03006321A 2003-03-20 2003-03-20 Dispositif pour reprofiler un rail par meulage Expired - Lifetime EP1460176B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
ES03006321T ES2269848T3 (es) 2003-03-20 2003-03-20 Dispositivo para trabajar las superficies de rodaduras de carriles por rectificado periferico.
EP03006321A EP1460176B1 (fr) 2003-03-20 2003-03-20 Dispositif pour reprofiler un rail par meulage
DE50304209T DE50304209D1 (de) 2003-03-20 2003-03-20 Vorrichtung zum Bearbeiten der Laufflächen von Schienen durch Umfangsschleifen
AT03006321T ATE333006T1 (de) 2003-03-20 2003-03-20 Vorrichtung zum bearbeiten der laufflächen von schienen durch umfangsschleifen
PCT/EP2004/002884 WO2004083524A1 (fr) 2003-03-20 2004-03-19 Dispositif d'usinage des surfaces de roulement de rails par rectification peripherique
CNB2004800066408A CN100532719C (zh) 2003-03-20 2004-03-19 通过圆周磨削加工钢轨的滑动面的设备
JP2006504745A JP4586016B2 (ja) 2003-03-20 2004-03-19 レールの走行面を周囲研削によって加工するための装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03006321A EP1460176B1 (fr) 2003-03-20 2003-03-20 Dispositif pour reprofiler un rail par meulage

Publications (2)

Publication Number Publication Date
EP1460176A1 EP1460176A1 (fr) 2004-09-22
EP1460176B1 true EP1460176B1 (fr) 2006-07-12

Family

ID=32798847

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03006321A Expired - Lifetime EP1460176B1 (fr) 2003-03-20 2003-03-20 Dispositif pour reprofiler un rail par meulage

Country Status (7)

Country Link
EP (1) EP1460176B1 (fr)
JP (1) JP4586016B2 (fr)
CN (1) CN100532719C (fr)
AT (1) ATE333006T1 (fr)
DE (1) DE50304209D1 (fr)
ES (1) ES2269848T3 (fr)
WO (1) WO2004083524A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2390415B1 (fr) 2010-05-28 2015-04-29 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
CZ2011283A3 (cs) * 2011-05-13 2013-01-02 Morávek@Petr Zpusob broušení železnicních kolejí a zarízení k jeho provádení
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
CN111155382A (zh) * 2020-01-21 2020-05-15 长沙讯亚机电科技有限公司 一种打磨车及仿形钢轨打磨装置
EP3879032B1 (fr) 2020-03-11 2024-04-17 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

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH655528B (fr) * 1984-02-06 1986-04-30
FR2629142A1 (fr) * 1988-03-24 1989-09-29 Carrouset Pierre Machine rotative a deplacement non positif utilisable comme pompe, compresseur, propulseur ou turbine motrice
ATE72851T1 (de) * 1988-05-30 1992-03-15 Scheuchzer Fils Auguste Schienenschleifmaschine.
US5596358A (en) 1994-10-31 1997-01-21 Hewlett-Packard Company Method and apparatus for refilling a print cartridge having a reservoir pressure of less than ambient pressure
DE4437585C1 (de) * 1994-10-20 1996-03-21 Pomikacsek Josef Verfahren und Vorrichtung zum Bearbeiten der Lauffläche von Schienen durch ein Umfangsschleifen
IT1291080B1 (it) * 1996-11-12 1998-12-14 Mecno Srl Macchina molatrice tangenziale
AT411912B (de) * 2000-07-17 2004-07-26 Linsinger Maschinenbau Gmbh Verfahren zum schleifen einer schiene sowie vorrichtung zur durchführung des verfahrens

Also Published As

Publication number Publication date
ATE333006T1 (de) 2006-08-15
JP4586016B2 (ja) 2010-11-24
DE50304209D1 (de) 2006-08-24
CN1759219A (zh) 2006-04-12
ES2269848T3 (es) 2007-04-01
JP2006520435A (ja) 2006-09-07
CN100532719C (zh) 2009-08-26
EP1460176A1 (fr) 2004-09-22
WO2004083524A1 (fr) 2004-09-30

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