EP1163393B1 - Anordnung von schleifmodulen mit schleifwerkzeugen in schienenschleifmaschinen - Google Patents

Anordnung von schleifmodulen mit schleifwerkzeugen in schienenschleifmaschinen Download PDF

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Publication number
EP1163393B1
EP1163393B1 EP00920566A EP00920566A EP1163393B1 EP 1163393 B1 EP1163393 B1 EP 1163393B1 EP 00920566 A EP00920566 A EP 00920566A EP 00920566 A EP00920566 A EP 00920566A EP 1163393 B1 EP1163393 B1 EP 1163393B1
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EP
European Patent Office
Prior art keywords
grinding
arrangement
frame
rail
modules
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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
EP00920566A
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German (de)
English (en)
French (fr)
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EP1163393A1 (de
Inventor
Wilfried Scherf
Michael Luddeneit
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Individual
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B31/00—Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor
    • E01B31/02—Working rail or other metal track components on the spot
    • E01B31/12—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails
    • E01B31/17—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails by grinding

Definitions

  • the invention relates to an arrangement of grinding modules Grinding tools in rail grinding machines according to the type of Claim 1 (see EP-A-0 304 960). Such arrangements are used in the Restoration of the rail head profile, the elimination of short Waves (ripples) and the warping of long waves in Direction used. Generally serve as grinding tools Cup wheels.
  • Rail grinding machines are already known in which in Depends on whether a grinding module is a wave crest or a The trough runs over, the contact pressure of the grinding module increases or is reduced so that existing waves are eliminated, see DE-OS 2 037 461. Rail grinding machines are also included hydrostatic controls known to the specified Feed speed regardless of the slope or the Maintain driving resistance with high accuracy. An exact Positioning the grinding wheels (cup wheels) is for the Rail regeneration indispensable, see LRR 8-M grinding machine Speno. But this is especially the case with small radii of curvature ( ⁇ 30m) relatively difficult because the existing wheelbases, especially when grinding both rail tracks at the same time, one relatively large radial offset of the grinding modules.
  • this object is achieved by the characterizing features of the first claim. It is irrelevant whether the arrangement should be used to grind only one track or both tracks of a track 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 reprofiling unit in a frame, which can be made of steel tubes, for example.
  • 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 provided for each grinding module.
  • 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 gear.
  • 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 means for blocking can be arranged in whole or in part in the vicinity of the gear for transverse movement of the frame.
  • the blocking means in the vicinity of the measuring rollers of corresponding grinding modules of both rail tracks.
  • a plurality of 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 articulated in a vertical manner on the frame.
  • the grinding modules on a frame can be combined into groups and each grinding module group can be fastened to a carrier which is pivotably 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 between them, at least about an axis arranged substantially at right angles to the rail to be ground.
  • a grinding carriage 10 moving in the x direction is provided with a center line m with two wheel axles 11, 12 which are pivotally attached to it about essentially vertical axes XX and whose wheel pairs 13, 14 roll on rails 15, 16 of a rail track, whose rail heads 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.
  • 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 rail curvature also causes secant offsets g x for the reprofiling units firmly connected to the grinding carriage 10, which have an effect on the grinding tools in the reprofiling units 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, with the aid 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, with the aid 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.
  • electric motors 63, 64, 65 fastened to the frames 38, 39, 40 serve to pivot the housings 34, 35, 36 and guides 57, 58, 59 in bearings 69, 70, 71 via corresponding movement transmission means 66, 67, 68 accomplish 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 cylinder, can be lifted.
  • 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 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 help of jute screws 110 with the corresponding measuring roller 50, 52 and the rollers upstream or downstream of it about an axis transverse to the rail head 37, essentially horizontally directed 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 rail 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. If the corrugated wave peaks are greater than the specified play, the middle grinding module 25 can deviate 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 remains.
  • the drive means 44, 45, 46 ensure that during the Grinding process the wheel flanges 50 ', 51', 52 'of all measuring rollers Re-profiling units 19 to 21 in contact with the rail heads 37 are that the measuring rollers through the rails 15, 16 guided without play become.
  • the cup wheels 31, 32, 33 are driven by the electric motors 34, 35, 36 set in rotation about axes 77, 78, 79, their inclination corresponding to the cross 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.
  • 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 with the aid 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 hydraulically acting blocking device 49 is used, the piston 96 of which, for example, is fixedly connected to the frame 40 and the cylinder 49 of which is correspondingly connected to the frame 23.
  • the frame 23 can be adjusted substantially vertically along the guides 28 by means of pneumatic cylinders 30 in the directions indicated by the double arrow 56. In the position shown, the frame 23 is in the upper (transport) position. In the frame 23, the guides 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 guides 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 cup 33 attached to 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 to it for driving the cup wheel 33 and thus the cup wheel 33 itself with the journal 15 essentially parallel to the rail 15 is near this rail in the bearings 7 ] pivotally mounted on the frame 40.
  • 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 rotatably mounted about axes parallel to one another in a bearing body 53 and can be moved together with the grinding module 24 in the direction of a double arrow 102.
  • 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 guide, 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 tappet 100 in its axial direction.
  • a three-lever lever 101 which is 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 so that the measuring roller 50 with its wheel flange 50 'is positioned relative to the frame 38 in accordance with the set grinding angle a with respect to the rail cross section in the desired manner 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, which acts via an axially movable plunger 92 on a lever 105 rigidly connected to an invisible axle journal.
  • 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 guides 57, which carries the housing 34 of the drive motor for a cup wheel 31.
  • 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 guides (not shown) (41 in FIGS. 2 and 3) are attached 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 guide pairs 27, 28, which is cut in the left half of FIG. 6 and shown in side view in the right half.
  • the frame 23 is directed essentially parallel to the rail head 37 to be machined and has at least one stabilizing cross strut 107 approximately in the middle of its long side.
  • three round guides 113 and 114 are arranged parallel to the cross strut 107 and at right angles to the plane of the drawing, on which corresponding guide bodies 115 and 116 of a slide 117 and 118 are slidably mounted.
  • 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.
  • a frame 127, 128 with a grinding module 129, 130 is rigidly connected.
  • the frames 123, 124, 127, 128 and the grinding modules 125, 126, 129, 130 are designed and arranged analogously to FIGS. 2, 4, 5.
  • the grinding 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 pivoting amounts of the grinding modules on the support plate 121 can differ from the pivoting amounts of the grinding modules on the support plate 122 for grinding different facets (1-3 °), because only one device 145, 146 for pivoting each for the modules attached to a support plate is provided around the axis YY. 6, the grinding modules 125 and 130 are shown in section and the grinding modules 126 and 129 in view. All of the grinding modules are shown in a vertical plane parallel to the rail 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 rail head 37 on the respective frame. Adjusting screws 137, 138, 139, 140 enable an improvement in the position of the measuring rollers 131, 132, 133 relative to the corresponding frame 125, 126, 129, 130.
  • the common measuring roller 132 is firmly 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, by virtue of an elongated hole 143, has a slight play 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 rail head 37.
  • the measuring rollers 131, 132, 133 are assigned to rollers 144 analogously to FIGS.
  • 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 the form of a 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 1611 and 1592 or 1612 of which 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 frame 167, 168.
  • Each of the grinding modules 160, 162 is assigned a measuring roller 163 or 164, each with a flange 163 ', 164'.
  • a fluid blocking device 165 which blocks the action of the right and left fluid gears 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. That is for the function of the invention. Arrangement meaningful because only the flanges 163 ', 164' have sensor functions with respect to the grinding process.
  • the blocking device 165 is operated hydraulically (for example with glycol) and has two cylinders 1651, 1652 articulated to the respective frame 167 or 168, in which corresponding pistons 1653 or 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 conditions in the fluid gears 159, 161 as a function of 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 take positions A1, B1, C1 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, first 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), by varying the articulations of the grinding modules 160, 162 on the pistons P1 (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 blocking device 165 operate through the control means 166. When positioning, starting from any rest position, the pistons 1593 and 1613 in the positioning cylinders P1 take the positions C1 and the pistons 1594 and 1614 in the working cylinders P2 take the position C2.
  • the cylinders P1 and P2 are influenced by the control means 166 such that the pistons 1593 and 1613 in the position cylinders P1 maintain the positions C1 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 prestressed to the set nominal pressure by the control means 166. If the grinding machine according to FIG. 1 now moves into a circular arc and if the module 160 is viewed above the rail 15, this is shifted by a distance g x to the center of the vehicle m (FIG. 1).
  • the piston 1594 moves from C2 by the path g x in the direction of A2, since the piston 1593 is already in the end position C1. Conversely, for the rail 16 on the outside of the curve, the piston 1613 of C1 and thus the grinding module 162 is pressed outward by the path g x in the direction A1 because the piston 1612 is already in the end position C2.
  • the pistons of P1 and P2 move at the same gas pressures initiated by the control means in P1 and P2 in the direction of B1 and B2. Dynamic movement compensation in the horizontal direction is therefore possible when driving through curves. In the transport position of the grinding carriage, i.e.
  • 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 do not 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 grinding 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. However, a module group should consist of no more than three or four module pairs. 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.

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  • 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)
  • Polishing Bodies And Polishing Tools (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
  • Machine Tool Units (AREA)
EP00920566A 1999-03-25 2000-03-24 Anordnung von schleifmodulen mit schleifwerkzeugen in schienenschleifmaschinen Expired - Lifetime EP1163393B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19914274 1999-03-25
DE19914274 1999-03-25
PCT/EP2000/002613 WO2000058559A1 (de) 1999-03-25 2000-03-24 Anordnung von schleifmodulen mit schleifwerkzeugen in schienenschleifmaschinen

Publications (2)

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

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP00920566A Expired - Lifetime EP1163393B1 (de) 1999-03-25 2000-03-24 Anordnung von schleifmodulen mit schleifwerkzeugen in schienenschleifmaschinen

Country Status (9)

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

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ATE385273T1 (de) * 2002-09-20 2008-02-15 Wilfried Scherf Schleifmaschine für schienen, insbesondere für containerkranschienen
CH698609B1 (fr) * 2005-09-16 2009-09-15 Speno Internat S A Dispositif de reprofilage des rails de chemins de fer avec captage des déchets.
CN102383345B (zh) * 2011-08-08 2013-11-20 北京二七轨道交通装备有限责任公司 夹紧装置及打磨定位装置
AT512270B1 (de) * 2011-12-12 2014-08-15 Liezen Und Giesserei Gesmbh Maschf Vorrichtung zur schienenbearbeitung mittels gesteuerter nachführung der bearbeitungswerkzeuge
AU2013209555B2 (en) * 2012-01-19 2015-08-27 Loram Maintenance Of Way, Inc. Method and apparatus for milling of railroad track
CN102768124B (zh) * 2012-07-02 2014-07-30 湖南海捷精密工业有限公司 钢轨铣磨车试验台
FR3025228B1 (fr) * 2014-09-03 2016-12-23 Robert Pouget Machine autonome de meulage des rails presentant des defauts d'usure ondulatoire verticale et laterale
CN104816224B (zh) * 2015-04-13 2017-08-25 福州弘博工艺有限公司 一种六自由度运动角磨机
AT519049B1 (de) * 2016-09-07 2019-02-15 Plasser & Theurer Export Von Bahnbaumaschinen Gmbh Gleisverfahrbare Maschine zum Abtragen von Unregelmäßigkeiten an einer Schienenkopfoberfläche
CN109500703A (zh) * 2017-06-16 2019-03-22 合肥智慧龙图腾知识产权股份有限公司 一种手持式陶瓷材料表面打磨设备
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
EP3879032B1 (de) * 2020-03-11 2024-04-17 Vossloh Rail Maintenance GmbH Stelleinrichtung zum positionieren eines bearbeitungswerkzeuges relativ zu einer schiene
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
JP2024500798A (ja) 2020-12-22 2024-01-10 シュヴェーアバウ・インテルナツィオナール・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング・ウント・コンパニー・コマンデイトゲゼルシャフト 成形物を削正する装置及び方法
CN113529507B (zh) * 2021-07-22 2022-09-27 孔超 铁路绝缘接头肥边切割机

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DE19518457A1 (de) * 1995-05-19 1996-11-21 Robel Georg Gmbh & Co Vorrichtung zum Schleifen von Schienen

Also Published As

Publication number Publication date
CN1346418A (zh) 2002-04-24
EP1163393A1 (de) 2001-12-19
US6638138B1 (en) 2003-10-28
HK1046025A1 (en) 2002-12-20
JP2002541359A (ja) 2002-12-03
JP4711370B2 (ja) 2011-06-29
ATE280860T1 (de) 2004-11-15
HK1046025B (zh) 2005-01-07
AU4109600A (en) 2000-10-16
DE50008420D1 (de) 2004-12-02
WO2000058559A1 (de) 2000-10-05
CN1143917C (zh) 2004-03-31

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