EP2791422A1 - Vorrichtung zur schienenbearbeitung mittels gesteuerter nachführung der bearbeitungswerkzeuge - Google Patents
Vorrichtung zur schienenbearbeitung mittels gesteuerter nachführung der bearbeitungswerkzeugeInfo
- Publication number
- EP2791422A1 EP2791422A1 EP12839146.3A EP12839146A EP2791422A1 EP 2791422 A1 EP2791422 A1 EP 2791422A1 EP 12839146 A EP12839146 A EP 12839146A EP 2791422 A1 EP2791422 A1 EP 2791422A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rail
- axis
- processing unit
- machining
- milling
- 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
Links
- 238000003754 machining Methods 0.000 title claims abstract description 37
- 238000012545 processing Methods 0.000 claims description 61
- 238000003801 milling Methods 0.000 claims description 46
- 238000005259 measurement Methods 0.000 claims description 16
- 238000000227 grinding Methods 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 2
- 238000002604 ultrasonography Methods 0.000 claims 1
- 238000012937 correction Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 12
- 238000013016 damping Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
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
Definitions
- the invention relates to a device for rail processing, in which the processing tools are tracked as accurately as possible to the rail profile in order to achieve an optimal result in the post-processing.
- the rail processing for laid railway or underground rails is such. mentioned in the patents EP 0952255 A1.
- the objectives are defined in all rail machining so that at the same time a maximum removal of flaws or cracks depending on the rail condition at the lowest possible material removal, and the best possible surface quality or dimensional accuracy in relation to the longitudinal or transverse profile can be achieved. Grinding applications here are more in the range of low removal rates, milling more in the range of larger delivery depths represented.
- the requirements in terms of machining accuracy and surface quality are always higher, especially in view of the low noise of the moving train due to the rolling noise to be minimized. This presents advanced and new challenges for the machining methods, especially with regard to the track tracking of the machining tools, in order to meet the above requirements.
- the milling technology has proposed a face milling technology as described in patent AT508756B1 as a solution for increasing the surface quality, in particular in the area of the driving mirror.
- the use of multiple end mills although an improvement in surface finish, but is due to the supported on the opposite side of the rail head guide rollers, as described for example in US 4583893 A, consuming or may be uneven with respect to the successively arranged milling cutters and their milling patterns.
- the exact positioning and orientation of the milling tool to the rail both in the longitudinal direction and in the transverse direction of the rail to adjust exactly to avoid a processing offset in relation to the longitudinal or transverse profile of the rail due to the low feed depths in finishing applications.
- the spatial orientation of the rail on the one hand and the necessary lane play of the towing vehicles and torsion of the vehicle frame and different Bending of the rail depending on the substructure or axle loads on the other hand as problems to be solved.
- the prior art is that the milling devices on the rail vehicle as described in the patent DE 32222208 A1 attached via a pivot bar with pivot pin on the chassis, laterally guided over guide rollers of the rail and vertically supported by a liftable and sliding shoe associated with the rail.
- the tracking takes place here with a rotational movement about the pivot in the longitudinal direction and vertically arranged pivot points in the transverse direction of the rail - ie in two mutually perpendicular planes.
- the aim of the present invention is to solve these stated disadvantages of the existing systems and the associated problems in the rail processing and to provide a device that can ensure optimum rail processing with at least four degrees of freedom by a controlled tracking of the processing tools.
- a combined rail height and side offset pivots with two measurement points offset in the longitudinal direction via e.g. hydraulic cylinders or via e.g. Hydraulic or electric rotary drive about a pivot point from a first mounting plate to the effect until the two consecutively arranged measuring points of the page copy in a predetermined tolerance range have the same measurement results for rail inner edge.
- the measuring points are arranged symmetrically to the processing unit and thus rotate the orientation of the machining tool to the necessary symmetrical orientation with respect to the rail profile.
- the lateral adjustment to the rail and the vertical adjustment to the rail head are realized here per rail via a cross slide.
- the machining tools are preferably mechanical, abrasive tools, such as milling tools or grinding tools, preferably milling tools. Furthermore, the orientation relative to the height position of the rails is readjusted to each other via the average measurement results of the respective height adjustment associated with the two rails via a second mounting plate which is rotatably mounted on the already twisted mounting plate until the measurement results of the vertical copy between the left and the right rail again in a predetermined tolerance range are the same.
- the processing units are now oriented according to the rail and are employed on the linear axes of the cross slide for rail head side surface or rail head surface, wherein the damping shoe rests and the actual processing unit to the rail of height in each case based on the diameter of the Machining tool coordinated retreat altitude is located.
- This return height position is chosen so that in normal operation no collisions with a defined clearance gauge is given.
- the processing unit is arranged via a further pivot point so that the alignment takes place in the longitudinal direction of the rail by the overlying damping shoe or support shoe.
- the processing depth is infinitely adjustable and can thus be used for roughing or finishing applications or targeted removal.
- the actual processing unit can thus, based on the damping or support shoe, from the withdrawal height to the max. Move the feed depth vertically.
- a maximum milling cutter geometry depending on the clearance profile, can be used in the case of several processing tools arranged one behind the other. Depending on the interference geometry, the respective machining tool is lowered for machining or raised in the retracted position.
- the retraction movement or adjusting movement can be controlled between, for example, two milling units in such a way that the new milling unit to be started starts machining via a flat ramp and, after a short simultaneous, overlapping machining, the returning milling unit ends machining by a return movement with a likewise flat ramp.
- Fig. 1 A rail vehicle with two devices according to the invention for
- Fig. 2 The rail vehicle shown in Fig. 1 in a schematic
- Fig. 3 The rail vehicle shown in Fig. 1 in a schematic
- Fig. 4 A rail vehicle with three different mounting positions 1,
- FIG. 5 A rail vehicle with three different mounting positions 1, 2 and 3 in a schematic plan view when driving in a curve with different angles of rotation about the Z-axis.
- Fig. 6 A rail vehicle with three different mounting positions in a schematic plan view when driving in a curve with different angles of rotation and directions of rotation about the Z axis.
- Fig. 7 Schematic outline of the measuring systems for the rotational movement of the first mounting plate in the starting position.
- Figure a shows a schematic representation with 2 -
- Figure b is a schematic diagram with 3 measuring systems.
- Fig. 8 Schematic outline of the measuring systems for the rotational movement of the first mounting plate when entering curves with rotation about the Z-axis and adjustment along the Y-axis.
- Figure a shows a schematic representation with 2 -
- Figure b is a schematic diagram with 3 measuring systems.
- Fig. 9 Schematic outline of the measuring systems for the rotational movement of the first mounting plate when cornering with rotational movement about the Z axis and adjustment along the Y axis.
- Figure a shows a schematic representation with 2 -
- Figure b is a schematic diagram with 3 measuring systems.
- Fig. 10 Schematic side view of the measuring systems for the rotational movement of the second mounting plate when driving on a straight line.
- Fig. 1 1 Schematic side view of the measuring systems for the rotational movement of the second mounting plate when driving in a curve, with respect to the vehicle center or original position on a straight line in the Y direction offset tracks, without elevation.
- Fig. 12 Schematic side view of the measuring systems for the rotational movement of the second mounting plate when driving in a curve, with respect to the vehicle center or original location on a straight line in the Y direction offset tracks, with elevation.
- Fig. 13 Schematic representation of a selection of different realizable arrangements of machining tools.
- an X, Y, Z coordinate system is set up, wherein X along the rails, Y perpendicular to the plane of the laid rails normal to these and Z normally rises in height.
- Rotation about X (30) thus means a rotation about a parallel to the rail
- rotation about Y (31) a rotation parallel to the axis of a rail vehicle
- rotation about Z (32) means a turning from the direction of travel, or normal thereto.
- This coordinate system is used for ease of understanding and refers to the axes as described, with each deviation of the axes by +/- 10 ° can result from the combination of movement in multiple axes.
- a movement along Z means that the movement is from top to bottom or bottom to top in a cone with 10 ° opening angle; thus not strictly normal, but each can be done at an angle between 80 and 100 °.
- This deviation of 10 ° results from the curve and angle of the rails (2) and will not be mentioned separately in the following to ensure better readability of the description.
- a plurality of degrees of freedom can each be covered and utilized for tracking along the individual rail (2), that is to say each rail (2) can be followed independently of the other one.
- At least 4 degrees of freedom preferably the two axes of rotation about the X (30) and the Z axis (32) and the two linear axes Y and the Z axis are covered.
- the rotation about the Y-axis (31) and also an additional linear movement in X can be controlled.
- This succession can be done on the one hand on the principle of an industrial robot, preferably a articulated robot, on the other hand, by other suitable combinations of linear and rotary movements.
- the movements for the two rail tracks (2) can also be combined via a mounting plate (10, 15), in particular if the general rail quality can be improved in the interaction of the left and right rails (2).
- the background of the necessary tracking of the rail (2) leads mentioned and described solutions with coupling of two movements respectively for the right and left rail (2).
- a hydraulic cylinder (1 1) proposed.
- Another possibility are appropriately dimensioned pneumatic cylinders, but also electric drives.
- the actual feed movement of the processing unit (1 a, 1 b) is made possible by an additional adjustment in the Z direction via a further linear axis (24).
- This linear axis (24) can be displaced or raised by means of a hydraulic cylinder (11), pneumatic cylinder, electrically, or by means of mechanical translation by a spindle drive, or a toothed rack.
- FIG 2 shows a schematic plan view when driving on a straight line.
- the processing units (1 a, 1 b) are in their orientation parallel to the rail vehicle (4).
- the machining units (1a, 1b) rotate about the Z axis (32).
- 5 several assembly or processing positions in the longitudinal direction (position 1, 2, 3) are given.
- This movement is achieved by a rotational movement according to the invention about the Z-axis (32) by means of hydraulic cylinders (1 1) or via a pivot drive (12) which movement is coupled by the common mounting plate (10) for the left and right rail.
- the pivot drive (12) can in turn be driven electrically, hydraulically or pneumatically.
- a rail vehicle (4) is shown with three different mounting positions in a schematic plan view when driving in a curve, here clearly the different rotation of the processing units (1) to the rail vehicle (4) can be seen. Of course, this effect occurs the greater the smaller the radius of curvature of the track strands (2) to be traveled.
- the control principle or measuring system principle for readjusting the rotational movement about the Z-axis (32) is shown schematically in Figures 7, 8 and 9. Basically, after a transfer travel of the rail vehicle (4), in which the processing units (1 a, 1 b) were moved in a safe retreat position, the rail positions below the rail vehicle (4) determined by a mechanical or optical rail search device. The axes of the cross slide (16) are moved analogously to these determined positions and the measuring systems (20, 22) applied to the rail head (2). The processing units (1 a, 1 b) are in this case opposite the shoe (17) in the vertical retraction position.
- the measuring systems (20, 22) can be designed to be scanned so that, for example, with a sliding block (17), the actual position is determined. But it is also possible to perform the measuring systems (20, 22) optically by means of camera detection or laser. Other possibilities for detecting the positions are ultrasonic sensors or capacitive sensors. Since the measuring systems (20, 22) e.g.
- the average measurement result is used as the traversing speed indicator between the front and rear measuring system (20) as a control value, and the measured value of the page copy closer to the fulcrum (32) is used as the setting value.
- the rotational movement (32) is e.g. implemented via hydraulic cylinder (1 1) or a rotary actuator (12).
- Figure 8 shows a first minimum rotational movement about the Z axis (32) when entering a curve. Since the measurement results deviate upon reaching the first curvature in a predetermined tolerance range, there is a rotational movement about the Z-axis (32) and simultaneously by the changed average values of the measurement results of the rear and front scanning position as well as a deviating value of the closer to the pivot point (32) located page copy to a rotation and a shift until the measurement results of the front and rear measurement points (20) in a predefined tolerance range are equal again and the average of the measurement results or the measured value of the closer to Pivot (32) page copy again have reached the preset normal value.
- the movement of the right and left sides is coupled via a common attachment plate (10).
- the introduction of an additional measuring system (20, 22) as close as possible to the machining tool engagement point for adjustment of the cross slide (16) is possible.
- the rotational movement about the Z-axis (32) is further controlled via the front and rear measuring points as described above.
- the traversing movement in the Y-direction takes place purely via the control value or the measurement result of the additional central measuring device (20, 22).
- a further measuring system (20, 22) may also be connected upstream of the processing unit (1) in order to detect large rail errors or impacts, etc., at an early stage.
- This upstream measuring system (20, 22) can be used for various measures of the processing unit (1). This can be a controlled withdrawal of the processing unit (1), information to the operator, who of course can also control the processing system (1) externally, or an error correction stored in the controller.
- Figure 10 shows the interaction of the displacement in the Y direction and the rotation about the X axis (30) when driving with a curve elevation.
- Figure 10 shows the initial situation on the straight track (2).
- the distance values between the cross slide (16) and the rail top edge (3) for the right and the left rail side (2) are determined using the height adjustment measurement results (18).
- the rail vehicle (4) is driven into an elevation or a twisting or twisting of the rail vehicle (4) relative to the track strands (2).
- this state is achieved via a pivoting movement about the X-axis about the pivot point (30) by an adjustment of the second attachment plate (15) relative to the first attachment plate (10).
- a common mounting plate (15) has a coupling between given right and left side.
- the subsequent rotation about the horizontal axis (30) in the X-direction takes place until the measurement results of the height adjustment (18) are equal again in a predefined tolerance range.
- the rotational movement (30) can in turn be effected, for example, by hydraulic cylinders (11) or a pivot drive (12).
- Figure 13a shows, by the inventive device and associated accurate tracking of multiple processing units (1), especially milling units along the laid track (2), the ability to make several milling units (1 a, 1 b) so that several cutters in a row arranged different sections of the rail head (2) edit so that as possible per router (1 a) of the cutter axis normal standing rail head area is processed and thus a Stirnfrästechnologie is used, which has a major advantage with respect to the ripple of the processed rail (2).
- Figure 13b shows a processing unit (1 b) as a radial processing unit with angled working axis.
- Figure 13c shows a radial milling technology (1b) with indexable inserts in several tracks assigned to the rail head profile (2).
- FIG. 13d shows an end mill (1a), which is designed analogously to the milling profile of FIG. 13b and is designed so that the milling cutter axis is rotated relative to the rail center, that the entire pre-machined contour can be finished with only one end mill (1a).
- the positioning and orientation of the milling cutter (1 a) to the rail profile (2) due to the longer cutter engagement of great importance which are solved by the device according to the invention.
- Figure 13e also shows a face milling technology, wherein two end mills (1 a) are employed to the right and left of the rail (2). This application can be used especially in confined spaces.
- Figure 13f shows a reamer as shown in Figure 13c in the profiled insert embodiment.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA1814/2011A AT512270B1 (de) | 2011-12-12 | 2011-12-12 | Vorrichtung zur schienenbearbeitung mittels gesteuerter nachführung der bearbeitungswerkzeuge |
PCT/AT2012/000310 WO2013086547A1 (de) | 2011-12-12 | 2012-12-10 | Vorrichtung zur schienenbearbeitung mittels gesteuerter nachführung der bearbeitungswerkzeuge |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2791422A1 true EP2791422A1 (de) | 2014-10-22 |
EP2791422B1 EP2791422B1 (de) | 2017-07-19 |
Family
ID=48045208
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12839146.3A Active EP2791422B1 (de) | 2011-12-12 | 2012-12-10 | Schienenfahrzeug mit vorrichtung zur nachführung der bearbeitungswerkzeuge |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2791422B1 (de) |
CN (1) | CN104114769B (de) |
AT (1) | AT512270B1 (de) |
WO (1) | WO2013086547A1 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2947204B1 (de) * | 2014-05-19 | 2017-01-11 | Mevert Maschinenbau GmbH & Co.KG | Verfahrbare Vorrichtung zum Fräsen von Schienenköpfen und Verfahren zum Wechsel von Schneidplatten bei einer derartigen Vorrichtung |
AT515805B1 (de) * | 2014-07-29 | 2015-12-15 | Rungger Helmut | Schienenfahrzeug mit einer Vorrichtung zum Nachbearbeiten der Lauffläche von Gleisschienen |
CN106988175B (zh) * | 2017-03-22 | 2018-09-07 | 武汉新瑞达激光工程有限责任公司 | 一种在线式钢轨激光加工车 |
AT520384B1 (de) * | 2017-11-21 | 2019-03-15 | Maschf Liezen Und Giesserei Ges M B H | Bearbeitungsvorrichtung für Schienenanlagen im urbanen Bereich |
CN111188233A (zh) * | 2020-03-06 | 2020-05-22 | 唐山昆铁科技有限公司 | 智能化钢轨修整打磨设备 |
CN111851177B (zh) * | 2020-07-28 | 2021-11-12 | 黑龙江瑞兴科技股份有限公司 | 一种城际高速铁路检修设备 |
CN112676623B (zh) * | 2020-12-18 | 2023-03-24 | 重庆江增船舶重工有限公司 | 一种涡轮增压器叶轮的免干涉定向铣削方法 |
WO2022135814A2 (de) | 2020-12-22 | 2022-06-30 | Schweerbau International Gmbh & Co. Kg | Vorrichtung und verfahren zum schleifen eines profils |
CN114132355B (zh) * | 2021-12-03 | 2023-05-26 | 山东东铁动力科技有限公司 | 用于侧导向轨道运行车辆的牵引救援车及其导向前进方法 |
DE202024102080U1 (de) | 2023-05-11 | 2024-05-07 | Schweerbau International Gmbh & Co. Kg | Vorrichtung zur materialabtragenden Bearbeitung einer in einem Gleisbett verlegten Schiene |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
AT369809B (de) * | 1979-08-14 | 1983-02-10 | Plasser Bahnbaumasch Franz | Gleisverfahrbare maschine zum abtragen der schienenkopfoberflaechen-unregelmaessigkeiten |
DE3222208C2 (de) | 1982-06-12 | 1985-03-28 | Dr. techn. Ernst Linsinger & Co GmbH, Steyrermühl | Verfahrbare Vorrichtung zum Fräsen von Schienenköpfen |
US4583893A (en) | 1984-05-08 | 1986-04-22 | Matix Industries (Societe Anonyme) | Reprofiling device for rails through continuous milling |
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. |
EP0665332B1 (de) * | 1994-02-01 | 1998-04-15 | Franz Plasser Bahnbaumaschinen-Industriegesellschaft m.b.H. | Einrichtung zum Schleifen von Schienen |
EP0789108A1 (de) * | 1996-02-06 | 1997-08-13 | Scheuchzer S.A. | Rollwagen mit Schleif- oder Bearbeitungswerkzeuge für die Lauffläche und das Pilzteil von Eisenbahnschienen |
DE19617276A1 (de) * | 1996-04-30 | 1997-11-06 | Wiebe Hermann Grundstueck | Verfahren und Vorrichtung zum Schleifen von Schienen mittels rotierender Schleifkörper |
DE59910484D1 (de) | 1998-04-20 | 2004-10-21 | Schweerbau Gmbh & Co Kg | Schienenfahrzeug mit einer Vorrichtung zum Fräsen der befahrenen Schienen |
DE50008420D1 (de) * | 1999-03-25 | 2004-12-02 | Wilfried Scherf | Anordnung von schleifmodulen mit schleifwerkzeugen in schienenschleifmaschinen |
AT410952B (de) * | 2000-12-06 | 2003-09-25 | Linsinger Maschinenbau Gmbh | Fahrbare vorrichtung zum spanabhebenden bearbeiten von schienen |
ES2324473T3 (es) * | 2003-02-12 | 2009-08-07 | Robel Bahnbaumaschinen Gmbh | Maquina y procedimiento de acondicionamiento de una via ferrea. |
CN2797424Y (zh) * | 2005-06-29 | 2006-07-19 | 周静 | 铁轨肥边切割机 |
AT508756B1 (de) | 2010-01-21 | 2011-04-15 | Rungger Helmut | Vorrichtung zum spanabhebenden nachbearbeiten der lauffläche eines schienenkopfes |
-
2011
- 2011-12-12 AT ATA1814/2011A patent/AT512270B1/de not_active IP Right Cessation
-
2012
- 2012-12-10 EP EP12839146.3A patent/EP2791422B1/de active Active
- 2012-12-10 WO PCT/AT2012/000310 patent/WO2013086547A1/de active Application Filing
- 2012-12-10 CN CN201280069406.4A patent/CN104114769B/zh active Active
Non-Patent Citations (2)
Title |
---|
None * |
See also references of WO2013086547A1 * |
Also Published As
Publication number | Publication date |
---|---|
AT512270B1 (de) | 2014-08-15 |
AT512270A1 (de) | 2013-06-15 |
WO2013086547A1 (de) | 2013-06-20 |
CN104114769B (zh) | 2016-09-07 |
CN104114769A (zh) | 2014-10-22 |
EP2791422B1 (de) | 2017-07-19 |
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