EP1163393A1 - Dispositif de modules de meulage avec outils de meulage dans des machines a meuler les rails - Google Patents

Dispositif de modules de meulage avec outils de meulage dans des machines a meuler les rails

Info

Publication number
EP1163393A1
EP1163393A1 EP00920566A EP00920566A EP1163393A1 EP 1163393 A1 EP1163393 A1 EP 1163393A1 EP 00920566 A EP00920566 A EP 00920566A EP 00920566 A EP00920566 A EP 00920566A EP 1163393 A1 EP1163393 A1 EP 1163393A1
Authority
EP
European Patent Office
Prior art keywords
grinding
frame
rail
arrangement according
measuring roller
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
EP00920566A
Other languages
German (de)
English (en)
Other versions
EP1163393B1 (fr
Inventor
Wilfried Scherf
Michael Luddeneit
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP1163393A1 publication Critical patent/EP1163393A1/fr
Application granted granted Critical
Publication of EP1163393B1 publication Critical patent/EP1163393B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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 an arrangement of grinding modules with grinding tools in grinding machine tools according to the preamble of the claims. Such arrangements are used in the restoration of the Scliienenkop rof ⁇ ls, the removal of short waves (ripples) and the warping of long waves in the direction of travel. In general, cups are used as grinding tools.
  • this object is achieved by the characterizing features of the first claim. It does not matter whether with the arrangement only one track or both tracks of a track are to be ground at the same time; in the latter case, the arrangement can be used particularly effectively. It is also irrelevant how many grinding modules are combined to form a re-profiling unit in a frame that can consist, for example, of steel tubes.
  • a preferred arrangement according to the invention results if the at least one grinding module with a frame is mounted at least approximately vertically and at least approximately horizontally adjustable on the frame with a frame; In the frame, a housing is arranged to be pivotable about an axis that is at least approximately parallel to the rail to be ground, and in the housing the grinding cup is adjustable at least approximately at right angles to the rail to be ground.
  • a measuring roller and means for carrying out a relative movement between the grinding module and the measuring roller are advantageously provided for each grinding module. This makes it possible to take into account its radial offset for each grinding module, particularly in tight curves. So that the measuring rollers always lie on the associated rail with their wheel flanges, each measuring roller is rotatably mounted in a bearing body which is adjustable on the frame along a guide transverse to the rail to be machined with the aid of an actuator or a drive means and a gear, advantageously a lever mechanism.
  • the horizontal transverse movement of the frame on the frame is advantageously carried out as a function of the transverse movement of the measuring roller by means of a fluid transmission.
  • the fluid transmission advantageously contains a double cylinder with two pistons moving in opposite directions in the cylinder chambers of the double cylinder.
  • the arrangement according to the invention can be used on different track gauges, the track width adjustment range preferably being between 1000 and 1458 mm.
  • Means for blocking the fluid transmission are advantageously provided for driving over difficult track bends and switches, which means can themselves be designed as a cylinder-piston arrangement.
  • the blocking means can be wholly or partially be arranged in the vicinity of the transmission for transverse movement of the frame.
  • the blocking means in the vicinity of the measuring rollers of corresponding grinding modules of both rail tracks.
  • several grinding modules can be mounted on the frame and the front and rear measuring rollers assigned in the direction of movement of the grinding carriage can be movably anchored to the frame in the vertical direction.
  • the grinding modules on a frame can be combined into groups and each grinding module group can be fastened to a carrier which is pivotally mounted on the frame in a plane that is at least approximately parallel to the rails.
  • the measuring rollers are advantageously assigned to the grinding module groups.
  • Each of the measuring rollers arranged between the grinding module groups is effective for the two adjacent grinding module groups, which are articulated in the vicinity of the measuring roller located between them, at least about an axis arranged essentially at right angles to the rail to be ground.
  • Fig. 1 is a plan view of a grinding car essentially characterized by wheel axles with arrangements according to the invention located between the wheel axles
  • FIG. 2 shows an arrangement according to the invention with three grinding modules in
  • FIG. 3 the arrangement according to the invention of FIG. 2 in plan view
  • FIG. 4 a grinding module of the reprofiling unit in front view
  • FIG. 5 a grinding module in perspective
  • FIG. 6 a second arrangement according to the invention in side view
  • FIG. 7 a control logic of a Fluid transmission with a double cylinder.
  • Fig. 1 is a grinding carriage 10 moving in the x direction with a center line m with two on it about substantially vertical axes XX pivotally mounted wheel axles 11, 12, the wheel pairs 13, 14 roll on rails 15, 16 of a rail track, the rail heads of which are to be processed, reprofiled.
  • wheel rims 17, 18 of the wheels 13, 14 move along the inner edges of the rails shown by a dashed curved line.
  • Between the wheel axles 11, 12 10 reprofiling units 19, 20, 21, 22 are attached to the grinding carriage, with the aid of which the heads of the rails 15, 16 are machined.
  • the wheel axes 11, 12 are inclined by an angle of ⁇ ⁇ x with respect to the center line m of the grinding carriage 10 to a center of curvature, not shown.
  • the curvature also causes secant offsets g x for the re-profiling unit permanently connected to the grinding carriage 10, which have an effect on the grinding tools in the re-profiling leads 19 to 22 and their position with respect to the rails 15, 16. If the radii of curvature of the rails 15, 16 are too small, the grinding tools do not act on the entire width of the rail head or in an incorrect manner on the rail head. This deficiency is remedied by the arrangement according to the invention.
  • an arrangement according to the invention consists of a frame 23 with grinding modules 24, 25, 26, which is attached to guides 27, 28, which are fastened to the grinding carriage (not shown in the rest), by means of drive means 29, 30 in the direction of a double arrow 56 is arranged vertically adjustable.
  • the drive means 29, 30 can act pneumatically.
  • Each of the grinding modules 24, 25, 26 has a grinding cup (grinding wheel) 31, 32, 33 which, by means of an electric motor located in a housing 34, 35, 36, for grinding a rail head (surface) 37 of the rail 15 (FIG. 1) driven and fed along guides 57, 58, 59 by appropriate electric motors 60, 61, 62 substantially at right angles to the associated rail 15 and pressed.
  • the housing 34, 35, 36 is in each case mounted in a frame 38, 39, 40 so as to be pivotable about an axis at least approximately parallel to the rail 15 to be ground, for grinding the rail head cross section.
  • a frame 38, 39, 40 fixed electric motors 63, 64, 65, which corresponding movement transmission means 66, 67, 68 bring about the pivoting of the housings 34, 35, 36 and guides 57, 58, 59 in bearings 69, 70, 71 on the respective frame 38, 39, 40.
  • the frame 38, 39, 40 is arranged on the frame 23 along essentially horizontal guides 41, 42, 43 lying transversely to the rail head 37.
  • the transverse displacement of the frames 38, 39, 40 are used by drive means 44, 45, 46, for example pneumatic double cylinders, which are partially attached to the associated grinding module 24, 25, 26 and partially on the frame 23 at a suitable point and their mode of operation by means of blocking 47, 48, 49, for example hydraulic locking cylinders, can be lifted.
  • drive means 44, 45, 46 for example pneumatic double cylinders
  • blocking 47, 48, 49 for example hydraulic locking cylinders
  • Each grinding module 24, 25, 26 has a measuring roller 50, 51, 52 with a wheel flange 50 ', 51', 52 ', which is mounted in an associated bearing body 53, 54, 55 and which is moved by moving the frame 23 along the guides 27, 28 can be placed on the rail head 37.
  • the measuring rollers 50 and 52 are upstream or downstream of rollers 501, 502 or 521, 522, which prevent short waves and corrugations from being traced in the rail surface.
  • the bearing body 53, 55 is mounted with the aid of jute screws 110 with the corresponding measuring roller 50, 52 and the rollers upstream or downstream thereof about a substantially transverse to the rail head 37, essentially horizontally oriented axis on the respective grinding module 24, 25, 26 in a defined manner .
  • the measuring rollers 50, 51, 52 with their bearing bodies 53, 54, 55 on the respective frame 38, 39, 40 are arranged transversely to the rail head 37 and parallel to the respective guide 41, 42, 43.
  • Corresponding drive means 72, 73, 74 of the grinding modules 24, 25, 26 are used for this purpose, which are shown and explained in more detail by way of example with slight deviations in FIGS. 4 and 5.
  • the measuring roller 51 of the middle grinding module 25 has a play s (approx. 0.3 to 0.8 mm) to the closing head 37 to avoid constraining forces when the measuring rollers 50 and 52 lie on the rail surface 37, which is fine with a cam screw 75 can be adjusted.
  • the middle grinding module 25 can diverge in the vertical direction by an amount f, which is indicated by a dash-dotted curved line 76, so that the bridge or measuring length 1 between the outer Measuring rollers 50, 52 are retained.
  • the clipping pots 31, 32, 33 are above the rail height, i.e. they are with their re-profiling leads 19, 20, 21, 22 from the rails 15, 16 or the rail surface 37 lifted off.
  • the frames 23 of the individual re-profiling lines 19 to 21 are lowered so that the slave cups 31, 32, 33 are located directly above the rails 15, 16 to be ground.
  • the measuring rollers 50, 51, 52 of all re-profiling leads 19 to 22 are lowered onto the rails 15, 16 or the rail surface 37.
  • the drive means 44, 45, 46 ensure that during the grinding process the flanges 50 ', 51', 52 'of all measuring rollers of the re-profiling leads 1 to 21 are in contact with the rail heads 37, so that the measuring rollers are free of play through the rails 15, 16 be performed.
  • the sclilift pots 31, 32, 33 are set in rotation about axes 77, 78, 79 by the electric motors 34, 35, 36, the inclination of which according to the transverse profile of the rail heads 37 with the electric motors 63, 64, 65 and the movement transmission means 66, 67, 68 in transverse planes to the rails 15, 16 is changeable.
  • the positions of the guides 57, 58, 59 and the carriages 83, 84, 85 guided by them also change.
  • the delivery and contact pressure of the slile pots 31, 32, 33 with respect to the rails is carried out by the Electric motors 60, 61, 62 via movement transmission means 80, 81, 82 and the slides 83, 84, 85 which are the motor housing 34, 35, 36 for the rotational drive of the cup wheels 31, 32, 33 and on which the drive shafts 86, 87, 88 of the cup wheels themselves are mounted.
  • the Ralimen 23 is moved with the aid of the drive means 29, 30 along the guides 27, 28 in a substantially vertical direction, so that the grinding cups 31, 32, 33 are lifted off the rail heads 37, and all drive means and motors are switched off. Overall, the arrangement according to the invention is brought into the transport position.
  • FIG. 4 essentially contains a section along a line SS in FIG. 2; it is a front view of the grinding module 26.
  • the frame 26 is pneumatically preset essentially horizontally in the directions indicated by a double arrow 97 by means of the double cylinder 46 and pistons 94, 95 sliding therein, to the spacing of the rails 15, 16.
  • One of the pistons, in the present case 94 (FIG. 3), is attached to the frame 23 and the other, 95, is attached to the frame 40.
  • the locking of the presetting which is necessary, for example, when driving over switches, is provided by the hydraulic blocking device 49, the piston 96 of which is, for example, firmly connected to the frame 40 and the cylinder 49 of which is correspondingly connected to the frame 23.
  • the Ralimen 23 can be adjusted essentially vertically along the fillings 28 in the directions indicated by the double arrow 56 via pneumatic cylinders 30. In the position shown, the Ralimen 23 is in the upper (transport) position. In Ralimen 23, the fillings 43 are arranged in pairs, on which the frame 40 slides with axial bearings 89. Only one guide and two associated axial bearings can be seen.
  • the drive 62 which is fixedly connected to the fillings 59 via a base 90 and is preferably designed as an electric motor, moves the slide 85 to which it is articulated with the movement transmission means designed as a plunger 82, and thus also presses the housing (motor) 36 fastened to the slide 85 the sclilift pot 33 fastened on the motor shaft (not visible) against the surface 37 of the rail 15, the measuring roller 52 touching the rail surface 37.
  • the base 90 with the guides 59, the slide 85 and the housing 36 attached thereto for driving the cup wheel 33 and thus the cup wheel 33 itself with pivot pin 91 substantially parallel to the rail 15 near this rail in the bearings 71 on the frame 40 pivotally mounted.
  • the pivoting is the drive 65 designed as an electric motor, which is articulated by means of a plunger 92 to a lever 93 fastened to the journal 91.
  • a measuring roller 50 with a flange 50 'and a roller 501 arranged upstream thereof and a downstream roller 502 are rotatable about axes parallel to one another and are movable together with the grinding module 24 in the direction of a double arrow 102 in a bearing body 53.
  • the bearing body 53 is pivotally mounted on a support 98 about an axis UU, which slides on a guide 99, which is preferably designed as a dovetail fill, is directed parallel to the axes of rotation of the rollers 50, 501 and 502 and is rigidly connected to a frame 38.
  • a drive means in the form of an electric motor 72 is fastened to the frame 38 and moves a plunger 100 in its axial direction.
  • a tri-axial lever 101 mounted on the frame 38 is articulated with one end, which is connected at its other end to the carrier 98.
  • the drive means 72 is set with the lever 101, the carrier 98 and its guide 99 such that the measuring roller 50 with its flange 50 'is positioned in the desired manner relative to the frame 38 in accordance with the set grinding angle ⁇ with respect to the transverse rail profile for the grinding process.
  • a housing 103 is pivotally mounted about an axis with axles 104 in bearings 69, of which only the one located in the vicinity of the bearing body 53 is visible, said axis being directed parallel to the double arrow 102.
  • an electric motor 63 is attached to the frame 38 and acts via an axially movable plunger 92 on a lever 105 rigidly connected to an axle pin (not visible).
  • an essentially invisible carriage 106 (similar to the carriage 83 in FIG. 2) can be displaced substantially vertically and at right angles to the direction of movement 102 along fillings 57, which the housing 34 of the Drive motor for a cup 31 carries.
  • the carriage 106 is displaced by an electric motor 60 which is fastened on the outside of the housing 103 and which interacts with a movement transmission means 80 which acts on the carriage 106.
  • Sliders 108 for fillings (not shown) (41 in FIGS. 2 and 3) are fastened to the frame 38.
  • a bearing block 109 is provided on the frame 38 for the articulation of the pistons which slide according to FIG. 3 in the cylinder 41 and part of the double cylinder 44.
  • a frame 23 with slide bearing pairs 111, 112 can be adjusted along vertical pairs of fillings 27, 28, which is cut in the left half of FIG. 6 and shown in side view in the right half.
  • the Ralimen 23 is directed essentially parallel to the rail head 37 to be machined and has at least one stabilizing cross strut 107 approximately m in the middle of its long side.
  • a support plate 121 or 122 is pivoted about a vertical axis VV or WW (for example by 15 °) approximately centrally with the aid of a bearing bolt 119 or 120.
  • a frame 123, 124, each with a grinding module 125, 126, is fastened to the support plate 121 on each side of the bearing pin 119.
  • a frame 127, 128 is rigidly connected, each with a grinding module 129, 130.
  • the frames 123, 124, 127, 128 and the slave modules 125, 126, 129, 130 are designed and arranged analogously to FIGS. 2, 4, 5.
  • the slave modules 125, 126, 129, 130 can thus be pivoted in their associated frames 123, 124, 127, 128 about axes YY, which are directed parallel to the rail head 37; the swiveling amounts of the grinding modules on the support plate 121 can differ from the swiveling amounts of the Sclileifinodules on the support plate 122 for grinding different facets (1-3 °), because for the modules attached to the support plate only one device 145, 146 each for swiveling is provided around the axis YY. 6 are the grinding modules 125 and 130 shown in section and the grinding modules 126 and 129 in view. All grinding modules are shown in a vertical plane parallel to the section head 37.
  • Two measuring rollers 131, 132 and 133, 132 are assigned to the supporting plates 121 and 122 and corresponding to the grinding modules 123, 124 and 129, 130 assigned to them, the middle measuring roller 132 acting for both supporting plates 121, 122.
  • the measuring rollers 131, 132, 133 are mounted in associated bearing bodies 134, 135, 136 and are supported with these bearing bodies about axes UU transversely to the column head 37 on the respective frame. Adjustment screw caps 137, 138, 139, 140 enable the position of the measuring rollers 131, 132, 133 to the corresponding frame 125, 126, 129, 130 to be improved.
  • the common measuring roller 132 is fixedly connected to the support plate 121 via an arm 141 and the frame 124.
  • the two units fastened to the support plates 121 and 122 are connected to one another in the vicinity of the common measuring roller 132 by a joint 142 which, because of an elongated hole 143, has a slight clearance which is appropriate for the smallest curves to be traversed by the associated grinding carriage, parallel to the direction of travel and thus parallel to the head 37.
  • the measuring rollers 131, 132, 133 are assigned to rollers 144 analogously to FIGS. 2 and 5.
  • Each support plate unit 121, 122 is assigned two drive means 151, 152 and 153, 154 in the form of pneumatically acting double cylinders for the transverse movement of the support plates 121, 122.
  • the individual cylinders of each double cylinder are arranged one above the other.
  • each drive 151 to 154 is assigned a means for blocking 155, 156, 157, 158 of the action of the drive in fo ⁇ n emer hydraulically acting cylinder-piston combination.
  • the pneumatically and hydraulically acting cylinders and pistons are connected in a suitable arrangement partly to the frame 23 and partly to the frames 123, 124, 127, 128.
  • FIG. 7 essentially shows a fluid transmission 159 for a grinding module 160 for a right rail 15 and a fluid transmission 161 for a grinding module 162 for a left rail 16.
  • Each of the fluid transmissions 159, 161 is operated with gas and has a double cylinder, in the cylinder chambers 1591 or 161 of which 1 and 1592 or 1612 pistons 1593 or 1613 and 1594 or 1614 are arranged so as to be displaceable relative to one another.
  • the pistons 1593 and 1613 are each articulated to the associated module 160, 162 and the pistons 1594 and 1614 are articulated to an associated Ralimen 167, 168.
  • a measuring roller 163 or 164, each with a wheel flange 163 ', 164', is assigned to each of the slave modules 160, 162.
  • a fluid blocking device 165 which blocks the action of the right and left fluid transmission 159, 161 when, for example, the grinding carriage (10 in FIG. 1) travels over a switch; the blocking device 165 prevents the fluid gears 159, 161 from pressing the wheel flanges 163 ', 164' of the measuring rollers 163, 164 against the rails inside the switch. This is important for the function of the arrangement according to the invention, because only the flanges 163 ', 164' have sensor functions with regard to the grinding process.
  • the blocking device 165 is operated hydraulically (for example with glycol) and has two cylinders 1651, 1652 which are articulated to the respective Ralimen 167 or 168 and in which corresponding pistons 1653 and 1654, which are articulated to the associated grinding module 160, 162, slide.
  • the cylinders 1651 and 1652 are connected to a liquid container 171 via two-way valves 169, 170.
  • control means 166 are provided, which control the pressure ratios in the fluid gears 159, 161 depending on the working, positioning and rest position of the grinding modules 160, 162.
  • cylinders 1591 and 1611 are referred to as positioning cylinders P1 and cylinders 1592 and 1612 as working cylinders P2.
  • Each cylinder P1 can have the positions AI, Bl, Cl and each cylinder P2 can take positions A2, B2, C2.
  • the grinding modules 160, 162 are to be set up on the track width S, whereby for safety reasons, until they are lowered between the rails 15, 16 in a straight line between the wheel flanges 163 ', 164' and the rails 15 and 16, respectively Air gap remains.
  • a track gauge r is available for adjusting the track width for the grinding module 160 (or for both grinding modules 160, 162) and accordingly for the measuring roller 163 (or for both measuring rollers 163, 164), which is varied by varying the articulations of the grinding modules 160, 162 on the pistons Pl (1591, 1611) and to the pistons 1651, 1652 can be changed by ⁇ r. Only after the measuring rollers 163, 164 have been lowered onto the associated rails 15, 16, do the fluid gears 159, 161 and the fluid block device 165 operate through the control means 166.
  • the pistons 1593 and 1613 in the positioning cylinders P1 take the positions Cl and the pistons 1594 and 1614 in the working cylinders P2 take the position C2.
  • the cylinders Pl and P2 are influenced by the control means 166 in such a way that the pistons 1593 and 1613 maintain the positions Cl in the position cylinders Pl and the positions A2 in the working cylinders P2 are aimed for.
  • the position C2 is maintained in the working cylinders P2 and the working cylinders P2 are biased to the set nominal pressure by the control means 166.
  • the blocking device 165 of FIG. 7 permits the same adjustment path for each piston 1653 or 1654 in the associated cylinder 1651 or 1652 as the fluid gears 159, 161 for the piston 1593, 1594 or 1613, 1614 in the double cylinders 1591, 1592 or 1611, 1612.
  • the two-way valves 169, 170 are actuated pneumatically by the control means 166. 7 shows the hydraulic circuit in a pressure-free representation, the two-way valves 169, 170 block the liquid circuit to the liquid container 171. In this state, the grinding modules 160, 162 can be freely positioned, pressed and retracted.
  • the liquid can only move between and in the cylinders 1651, 1652, the action of the fluid gears 159, 161 is blocked, the slave modules 160, 162 and their measuring rollers 163, 164 are held in the blocked position.
  • a measuring roller always takes the lead in the case of rail elevations and switches. In the case of elevations, this is the measuring roller on the inside of the curve and the track-bound measuring roller on turnouts.
  • the hydraulic line can be expanded as a mirror image for other modules, so that additional modules can be connected and combined into groups.
  • a module group should not consist of more than three or four pairs of modules. It is also possible to attach the blocking device to the bearing bodies of the measuring rollers and / or to produce the blocking device with only one cylinder.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
  • Machine Tool Units (AREA)

Abstract

L'invention a pour but de fournir un dispositif de modules de meulage dans une machine à meuler les rails permettant un déport radial pour d'étroits rayons de courbure des rails, sans tenir compte de façon rigoureuse de l'apparition de contraintes, tout en ayant la possibilité de reprofiler le rail de manière simple et reproductible. En conséquence, le dispositif est caractérisé en ce que l'outil de meulage présente cinq degrés de liberté, du fait que chaque module de meulage muni d'un cadre est monté réglable au moins sensiblement verticalement et, sur le cadre, doté d'une monture, réglable au moins sensiblement horizontalement, cependant qu'il est prévu sur la monture, un caisson monté pivotant autour d'un axe au moins sensiblement parallèle au rail à meuler, et que l'outil de meulage est monté dans le caisson, réglable perpendiculairement au rail à meuler.
EP00920566A 1999-03-25 2000-03-24 Dispositif de modules de meulage avec outils de meulage dans des machines a meuler les rails Expired - Lifetime EP1163393B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19914274 1999-03-25
DE19914274 1999-03-25
PCT/EP2000/002613 WO2000058559A1 (fr) 1999-03-25 2000-03-24 Dispositif de modules de meulage avec outils de meulage dans des machines a meuler les rails

Publications (2)

Publication Number Publication Date
EP1163393A1 true EP1163393A1 (fr) 2001-12-19
EP1163393B1 EP1163393B1 (fr) 2004-10-27

Family

ID=7902851

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00920566A Expired - Lifetime EP1163393B1 (fr) 1999-03-25 2000-03-24 Dispositif de modules de meulage avec outils de meulage dans des machines a meuler les rails

Country Status (9)

Country Link
US (1) US6638138B1 (fr)
EP (1) EP1163393B1 (fr)
JP (1) JP4711370B2 (fr)
CN (1) CN1143917C (fr)
AT (1) ATE280860T1 (fr)
AU (1) AU4109600A (fr)
DE (1) DE50008420D1 (fr)
HK (1) HK1046025B (fr)
WO (1) WO2000058559A1 (fr)

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CN108044488B (zh) * 2018-01-22 2019-11-08 合肥工业大学 一种多自由度平面抛光机
CN110804911B (zh) * 2019-11-25 2021-07-30 株洲时代电子技术有限公司 一种钢轨打磨单元
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CN111501443B (zh) * 2020-03-19 2022-01-28 湖南大学 一种钢轨打磨装置
CN112720203B (zh) * 2020-12-17 2022-09-06 宁波宇信金属制品有限公司 一种金属表面发黑处理装置
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IT202100007190A1 (it) * 2021-03-24 2022-09-24 Mecno Service S R L Macchina molatrice particolarmente per il profilo longitudinale delle rotaie ferroviarie, ferrotranviarie e/o metropolitane.
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US6638138B1 (en) 2003-10-28
CN1143917C (zh) 2004-03-31
ATE280860T1 (de) 2004-11-15
EP1163393B1 (fr) 2004-10-27
JP4711370B2 (ja) 2011-06-29
HK1046025B (zh) 2005-01-07
WO2000058559A1 (fr) 2000-10-05
JP2002541359A (ja) 2002-12-03
HK1046025A1 (en) 2002-12-20
DE50008420D1 (de) 2004-12-02
CN1346418A (zh) 2002-04-24
AU4109600A (en) 2000-10-16

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