EP2519693B1 - Schleifer für schienenprofil - Google Patents

Schleifer für schienenprofil Download PDF

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Publication number
EP2519693B1
EP2519693B1 EP10809292.5A EP10809292A EP2519693B1 EP 2519693 B1 EP2519693 B1 EP 2519693B1 EP 10809292 A EP10809292 A EP 10809292A EP 2519693 B1 EP2519693 B1 EP 2519693B1
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EP
European Patent Office
Prior art keywords
grinding
head
machine
movement
track
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.)
Not-in-force
Application number
EP10809292.5A
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English (en)
French (fr)
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EP2519693A1 (de
Inventor
Jean-Marie Bressan
Gilles Noel
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.)
Societe des Anciens Etablissements Lucien Geismar SAS
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Societe des Anciens Etablissements Lucien Geismar SAS
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.)
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Publication date
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Publication of EP2519693A1 publication Critical patent/EP2519693A1/de
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Publication of EP2519693B1 publication Critical patent/EP2519693B1/de
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Anticipated expiration legal-status Critical

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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/004—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding rails, T, I, H or other similar profiles

Definitions

  • the invention relates to rail grinding equipment, and more particularly to an automated rail profile grinding equipment, for new works and maintenance on rails of similar railways and tracks, particularly in the field of rail grinding. rail transport.
  • a rail profile grinder is a device designed to grind the rail head, mainly after welding, in order to give the weld area a profile identical to the current profile of the rail.
  • light machines mainly used on track, which usually comprise a chassis carrying an abrasive tool which is rotated by a motor (see FR 2 661 698 A1 or JP 7 207603 A ).
  • the abrasive tool is driven by a rise / fall movement, also called a diving movement, allowing it to move closer or further away from the rail.
  • the frame of the machine and the mounted wheel can be inclined at will on either side of the rail, to allow the grinding of the tread of the rail, the flank of the mushroom of the inner rail to the track, and connecting radii between the tread and each side of the mushroom.
  • the frame is provided with rolling means consisting of a set of copying rollers to allow the alternating movements of the machine in advance and back.
  • the rail profile grinders currently used in track are generally essentially manual machines.
  • the operator must move the grinder rolling along the rail, alternately by pushing and pulling it, control the dive movement of the grinding wheel.
  • the present invention aims to provide equipment that overcomes all the disadvantages of the state of the art, which has just been described.
  • the on-track solder grinding machine comprises a servocontrol of the positioning of the grinding gate in said first direction perpendicular to the beam by means of a radial displacement cylinder of the grinding gate fed by a servo-distributor in association with a sensor. position.
  • the beam comprises at least one hearty blade brought and maintained in contact on a point of said mushroom for each rotational movement of the beam so as to maintain the same reference during the sweeping movement of the grinding wheel.
  • the beam comprises a sound sensor for detecting a docking of the wheel on the rail head.
  • the rail-based grinding machine comprises a longitudinal displacement cylinder of the grinding wheel carrier associated with an absolute position sensor for automating the sweeping motion of the grinding wheel carrier with variable stroke lengths.
  • the beam comprises a hydraulic motor driving the rotation of the wheel, and a pressure sensor mounted on the hydraulic motor power to measure a force provided by the hydraulic motor.
  • the pressure sensor signal is then used to manage the position of the mill gate to compensate for wheel wear and to detect effective grinding of the weld on the rail head.
  • a wheel release movement is operated automatically at the end of each scan stroke to connect the ground surfaces with the raw portion of the rail head.
  • the track welding grinding machine comprises two curved supports and the beam comprises one or more straight rollers at one end for rolling on a straight crown sector of one of the curved supports and one or more rollers V at the other ends for rolling on a V-shaped crown sector on the other of the curved supports so as to provide a reduced clearance clearance of the beam moving on the curved supports.
  • the welding grinding machine on the track comprises an automation controller Programmable controller arranged to control and control each movement of the beam and the mill gate.
  • the programmable automation controller comprises a memory storing data obtained from an associated portable straightness measuring electronic rule and an electronic processing device programmed to define positions and lengths of the sweeps according to the applicable tolerance, in order to control a complete progress of the grinding cycle in automatic mode, without human intervention.
  • the unit of grinding of welds in track which is represented on figures 1 and 2 , makes it possible to perform a finishing grinding of the rail welds by eliminating the weld bead on the useful profile of the poppet 13.
  • the grinding takes place on the rolling surface 40, on the guide spokes 41 and on the sidewall 42 inside the track welded rails.
  • the grinding is carried out by alternating longitudinal passes over a maximum length of substantially 600 mm centered or not on the welding, combined with a rotational movement around the rail head.
  • a plug wheel 32 is mounted at the end of a spindle housed in a grinding aluminum body 23 and driven in rotation by a hydraulic motor 11. This spindle is inclined at a slight angle of the order of 1 ° by relative to the vertical axis to promote cutting of the grinding wheel.
  • the grinding wheel carrier 23 Four shoes 21 with prestressed rollers are fixed on the grinding wheel holder 23.
  • the skids 21 are mounted on two guide rails 22 integral with a support bracket 24.
  • the relative positioning of the grinding wheel carrier 23 with respect to the bracket 24, defining the depth of pass, is provided by a hydraulic cylinder 33.
  • the hydraulic jack 33 is fed by a servo-distributor 15 for controlling the direction and the speed of displacement.
  • a programmable real-time automation controller 31 allows the position of the wheel to be servo-controlled with a resolution of 0.05 mm.
  • the real-time programmable automation controller 31 which receives the signal supplied by a sound sensor 16, controls the stopping of the movement as soon as the predetermined threshold corresponding to the docking of the wheel on the mushroom 13 of the rail is reached.
  • an operator controls the up / down movement of the grinding wheel in steps of 0.05mm through a manipulator on the control box 50.
  • the signal of a pressure sensor 65 mounted on the feed of the hydraulic wheel rotation motor 11 is used by the real-time programmable automation controller to detect the actual grinding.
  • a low pressure is sufficient to turn it.
  • the pressure rises considerably when the wheel in contact with the rail is braked by the abrasion work.
  • the pressure variations are gradually reduced to remain contained at the end of grinding in a range of values between two thresholds corresponding to a touch of the grinding wheel on the rail. A pressure detection remaining between two predefined thresholds then makes it possible to control a rotation of the beam.
  • the pressure sensor 65 is also used by the real-time programmable automation controller to automatically control the positioning of the grinding wheel in steps of 0.05mm depending on the pressure level, thus making it possible to compensate for the wear of the grinding wheel and avoid excessive reduction of the rotation speed.
  • the support bracket 24 is fixed on four prestressed roller carriages 25 mounted on two guide rails 26 integral with a grinding beam 12.
  • the reciprocating movements parallel to the track, of adjustable stroke, are made automatic by the combination of a hydraulic cylinder 17 with an absolute cable position sensor 19 mounted on the grinding beam 12.
  • an operator defines the grinding length on either side of the weld by means of potentiometers located on the control box 50.
  • the position and the grinding length are managed automatically by the real-time programmable automation controller 31.
  • This automatic management is made possible by the use of a portable electronic measuring rule.
  • the rule Prior to the installation of the unit 1 on the track, measurements of the straightness of the rail on the mushroom 13 to the right of the welding.
  • the data is stored in an electronic device that allows to define out-of-tolerance areas according to the applicable standards.
  • the rule comprises an electronic device which is for example a personal digital assistant (PDA acronym for personal digital assistant in English) which communicates with the processor of the rule by a connection compliant with the IEEE 802.15 standard.
  • the electronic device is then connected to the controller 31, for example by means of a serial transmission bus (USB acronym for Universal Serial Bus in English), to communicate the applicable grinding parameters.
  • USB Universal Serial Bus
  • the rise of the wheel is automatic at the end of each race to connect the ground surfaces with the raw part of the rail.
  • the hydraulic jack 33 releases the grinding wheel 23 by approximately 0.5 mm and returns it at the beginning of the reverse movement, these values can be parameterized.
  • this additional function is activated or not by the operator from the control box 50.
  • this function is automatically activated if a recessed weld has been detected during the definition phase of the out-of-box zones. tolerances.
  • the grinding beam 12 is provided with guides at each end, each consisting of a prestressed roller shoe 27 mounted on a guide rail.
  • Two hydraulic cylinders 18 mounted on each of the two vertical arms give the downward movement of the beam 12 to the rail 28 from the initial position of disengagement.
  • the contact with the mushroom 13 of the rail 28 is established by means of two copious blades 52 integral with the beam and 1 m apart.
  • the copious blades make it possible to place and keep in reference the beam 12 during its rotation around the mushroom 13 of the rail 28 by means of a regulation maintaining a constant pressure in the jacks 18.
  • the grinding beam 12 rotates around the head 13 of the rail 28 via an on-board mechanism consisting of a hydraulic geared motor 20 and a transmission shaft equipped with two gears 30.
  • the assembly described above is stiffened by a cross member 53 with respect to which the upward movement of the beam 12 is carried out.
  • Each of the gears 30 rotates the beam 12 and here also crosses 53 through the beam 12.
  • the figure 1 only the curved support of the right is visible, the left curved support being masked by a wall of the main frame 9.
  • Precision guidance in rotation is provided by eight rollers 8 and 58 integral with the beam 12, rolling on two sectors of 7.
  • One of the sides of the beam is equipped with guide rollers 58 and V-groove crown sector while the other side is equipped with guide rollers 8 and straight crown sector to provide clearance guidance. reduced without being hyperstatic.
  • Two limit switches 6 detect the extreme angular positions and a third limit switch indicates the initial vertical position, the extreme contacts cutting the rotation control of the beam.
  • the angular grinding range extends from 90 ° to the inside of the track at 20 ° outwards.
  • the two curved supports 10 integral with the main frame 9 describe an arc that covers the mushroom 13 perpendicular to the 110 ° track.
  • an operator controls the direction and speed of rotation of the grinding beam 12 via a manipulator and a potentiometer located on the control box 50.
  • the hydraulic motor 20 is equipped with an integrated speed sensor enabling the real-time programmable automation controller to manage the angular indexing of the grinding beam.
  • the integrated speed sensor is for example of the pulse generator type.
  • a counter in the controller 31 then makes it possible to measure the displacement angle by summation of the sampled pulses.
  • the main frame 9, made of mechanically welded sections, supports the sectors of crowns as well as the tensioned chains allowing the rotation of the beam.
  • the chassis 9, in the working position, rests on the two rails 28, 29 so as to compensate for any cant of the track.
  • the tread is used as a reference for the 0 ° position of the beam 12.
  • Two horizontal cylinders 79, not visible on the figures 1 and 2 as located under the unit 1, provide shifting and maintaining reference frame on the inner side of the rail 28 treated.
  • Four rollers with guide cheeks, placed at the ends and actuated by jacks 85, not shown on the figures 1 and 2 allow the unit 1 to be lifted out of the lower jig of the lane and moved on the lane in compatibility with the circulation jig.
  • the unit 1 is equipped with an adaptation yoke 55 in the upper part of the chassis allowing a mechanical connection with the point of attachment of the carrier vehicle.
  • the carrier vehicle provides a handling function when setting up unit 1 track, a reversing function of the unit to work on the opposite rail queue and a towing function on the track.
  • the energy required to operate the unit is provided by the carrier vehicle.
  • the hydraulic and electrical connection is made at the clevis 55 of the unit by quick connections.
  • the electrical energy is supplied with a voltage of 24 V and the hydraulic energy is supplied with a flow rate of 105 l / min at a pressure of 160 bar.
  • the unit is provided with a partially transparent hood 51 with smoke extraction system, not shown, effectively protecting the operator from grinding projections while providing optimum visibility on the grinding area.
  • a dust suction system installed on the carrier vehicle and connected by flexible duct to the cowling of the grinding unit, ensures effective filtration of the dust generated.
  • a pressure limiter 62 associated with a solenoid valve 61 of pressure validation secures the operation of the equipment.
  • the hydraulic motor 11 for driving the rotating grinding wheel receives a flow of fluid regulated by a solenoid valve 63 and a flow regulator 64.
  • a fluid sample represented in dashed lines, allows an auto-lubrication of the grinding wheel carrier 23.
  • the hydraulic cylinder 17 sweeping the door mills along the beam is controlled by a solenoid valve 66 and a pressure reducer 67.
  • a hydraulic Graetz bridge 69 associated with a flow regulator 68 ensures a constant speed of movement grinding gate in one direction as in the other, regardless of the section of the rod which varies differently the volume of the chamber upstream and downstream of the piston of the cylinder 17.
  • a solenoid valve 70 makes it possible to control a safety brake 56 to block the hydraulic geared motor 20 in the absence of rotation control of the beam or in the event of a fault.
  • Two balancing valves 60 guarantee a smooth movement of the beam.
  • the jacks 18 for lowering the beam are supplied with fluid by a two-position solenoid valve 73 associated with a pressure reduction 74, the current-controlled position corresponding to the descent of the beam and the position with no current corresponding to the ascent. of the beam.
  • a 75m flow regulator short-circuited by a non-return valve during the descent of the beam, ensures a constant flow and therefore a constant rate of rise of the beam.
  • a flow regulator 75d, short-circuited by a non-return valve during the ascent of the beam ensures a constant flow rate and therefore a constant rate of descent of the beam.
  • a safety valve 90 prevents the uncontrolled descent of the beam.
  • the horizontal clamping and alignment cylinders 79 of the frame are supplied with fluid by a solenoid valve 76 associated with a flow regulator 77 and a pressure reducer 78.
  • a three-position solenoid valve 80 controls the raising, lowering or holding in position of the chassis in combination with flow regulators 82 and a pressure reducer 81.
  • a safety valve 84 prevents uncontrolled lowering of the chassis.
  • the ram 33 for lowering the mill gate is fed by the proportional servo-distributor 15 associated with the position sensor 35 to move the grinding wheel holder 23 in the direction perpendicular to the beam 12 so as to bring the wheel 32 mounted on a end of the grinding wheel 23 of the center of the arc described by the curved supports 10.
  • the organization chart of the figure 3 shows the essential steps of a grinding method according to the invention and executed by the real-time programmable automation controller 31.
  • the flowchart can be through a semi-automatic cycle or an automatic cycle.
  • the receptions of the transitions and the actions of the steps are identical in semi-automatic mode and in automatic mode.
  • the programmable real-time automation controller 31 is by default in a waiting step 101.
  • a transition 201 to a step 102 is crossed when a set of initial conditions is realized and when a semi-automatic or automatic cycle is activated.
  • the semi-automatic or automatic activation is memorized until the end of the cycle unless a voluntary change from one mode of operation to another during the cycle.
  • the set of initial conditions comprises a state of the unit hydraulically and electrically connected to the carrier, a state of the unit positioned at the weld, a state of the grinding beam in a vertical position and in a raised position, a state of the wheel in the high and centered position, a state of the unit descended on the track and clamped by reference.
  • step 102 an electrical signal is sent to the solenoid valve 63 to rotate the wheel and an electrical signal is sent to the solenoid valve 73 to lower the beam.
  • a transition 202 to a step 103 is passed after a timeout has elapsed.
  • step 103 an electrical signal is sent to the proportional distributor 15 to lower the mill gate.
  • a transition 203 to a step 104 is reached after detection of contact of the wheel with the mushroom by the sound sensor 16.
  • step 104 the electrical signal sent to the proportional distributor 15 is set to a value which stops the descent of the mill carrier.
  • step 104 From step 104, a transition 204 to a step 105, a step 107 and a step 110 is systematically completed.
  • step 105 an electrical signal is sent on a first coil of solenoid valve 66 to sweep the grinding door to the left.
  • a transition 205 to a step 106 is passed after detection of extreme left position by the absolute position sensor cable 19.
  • step 106 an electrical signal is sent on a second coil of solenoid valve 66 to sweep the grinding gate to the right.
  • step 106 From step 106, a loopback transition 206 on step 105 is crossed after detection of extreme right position by the absolute cable position sensor 19.
  • the far left position and far right position values can be changed at any time by the human operator to adjust a grinding amplitude.
  • the human operator can also select and deselect at any time a recessed grinding function which consists of synchronizing with step 107, a rise of the grinding wheel before reaching each extreme position and a return to the return.
  • the far left position and far right position values are calculated according to predefined grinding amplitudes that result from preliminary measurements.
  • the results of Preliminary measurements can also trigger and trigger the recessed grinding function at any time.
  • Step 107 is a waiting step.
  • a transition 207 to a step 108 is passed following a request for movement of the wheel gate up or down by the human operator in semi-automatic mode or following a command of movement in automatic mode of the wheel gate up or down by different functions.
  • the hollow grinding function controls a gradual raising of the grinding wheel when the absolute cable position sensor 19 gives a value that changes from a predefined threshold to the extreme position and then orders a progressive lowering of the grinding wheel when the absolute position sensor at cable 19 gives a value that changes from the extreme position to the predefined threshold.
  • a grinding function which receives as input the measurement of the pressure sensor 65, controls a descent which has the effect of increasing the driving pressure of the hydraulic motor 11 at a constant speed to overcome forces of increasing abrasion or controlling a rise which has the effect of reducing the driving pressure of the hydraulic motor 11 at a constant speed to overcome decreasing abrasion forces so as to maintain the driving pressure in a corresponding range of values to optimal abrasion efforts.
  • the grinding function that has just been described, has the merit of automatically correcting the wear of the grinding wheel.
  • step 108 an electrical signal is sent on the servo-distributor 15 to move the mill carrier over a 0.05 mm stroke.
  • a transition 208 to a step 109 is passed after detection of end of movement controlled by the synchronous serial interface incremental sensor (SSI Synchronous Serial Interface in English).
  • step 109 the electrical signal sent on the servo-distributor 15 is set to a value which stops the downward movement of the mill carrier.
  • step 109 a loopback transition 209 on step 107 is systematically crossed.
  • Step 110 is a waiting step.
  • a transition transition 210 to a step 111 is crossed, provided that no limit switch is activated, following a request for rotation of the beam forward or backward by the human operator in semi-automatic mode or following a command to rotate the beam forward or backward by different functions.
  • step 111 an electric signal is sent on one or other of the solenoid valve coils 71 depending on whether the rotation is required forwards or backwards. An electrical signal is also sent on the coil of the solenoid valve 70 to release the brake 56.
  • a transition 211 to a step 112 is crossed after end-of-travel detection or release of the rotation request in semi-automatic mode or position reached in automatic mode.
  • step 112 the electrical signals sent to the solenoid valves 70 and 71 are cut off to immobilize the beam.
  • step 112 a loopback transition 212 on step 110 is systematically crossed.
  • a transition 305, 306, 307 and 310 to a step 113 is crossed if an end of cycle is requested in semi-automatic mode or controlled in automatic mode.
  • step 113 an electrical signal is sent on the servo-distributor 15 to raise the mill gate and an electrical signal is sent on that of the coils the solenoid valve 66 which is suitable for bringing the wheel gate in the central position.
  • a transition transition 213 to a step 114 is crossed when the grinding wheel is in the high center position.
  • step 114 the electrical signal sent to the solenoid valve 63 is set to zero to stop the rotation of the grinding wheel.
  • step 114 From step 114, a transition 214 to step 115 is systematically taken.
  • step 115 an electrical signal is sent to the proportional distributor 71 to bring the beam back to the 0 ° position.
  • a transition 215 to a step 116 is crossed when the beam is returned to the 0 ° position.
  • step 116 the electrical signal sent to the solenoid valve 73 is cut so as to raise the beam and a timer is armed with a value slightly greater than the rise time of the beam.
  • step 116 an ironing transition 216 in step 101 is passed when the timer has elapsed.
  • the method which has just been described is preferably implemented with the automated welding grinding machine in track on a rail head 13 which comprises the main portable frame 9 arranged to be placed on the track and equipped with supports 10 describing an arc of a circle that covers the mushroom 13 perpendicular to the path.
  • the beam 12 is supported by the frame 9 so as to be able to turn around the mushroom 13 via the supports 10 and move towards and away from the center of the arc to take reference on the mushroom 13 of the rail and copy the profile of the mushroom 13 during the rotation of the beam 12.
  • the mill gate 23 is supported by the beam 12 of so as to be able to move in a first direction perpendicular to the beam 12 to bring a wheel 32 mounted on one end of the grinding wheel 23 closer to the center of the arc of a circle and in a second direction parallel to the beam 12 to effect a sweeping motion of the grinding wheel 32.

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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)

Claims (10)

  1. Maschine zum Schleifen einer Gleisschweißnaht auf einem Schienenkopf (13), die aufweist:
    - ein tragbares Hauptgestell (9), das ausgebildet ist, um auf das Gleis stellbar zu sein, und mindestens mit einem gekrümmten Halter (10) ausgestattet ist, der einen Kreisbogen beschreibt, der den Schienenkopf (13) lotrecht zum Gleis bedeckt,
    - einen Balken (12), der mit dem gekrümmten Halter (10) derart verbunden ist, dass er rotierend um den Schienenkopf (13) parallel zum Gleis auf dem gekrümmten Halter (10) bewegbar ist und sich dem Schienenkopf (13) annähern und von ihm entfernen kann, um eine Referenz auf dem Schienenkopf (13) derart zu nehmen, dass er dem Profil des Schienenkopfs (13) während der Rotation des Balkens (12) folgt,
    - einen Schleifsteinhalter (23), der von dem Balken (12) derart gehalten ist, dass er in eine erste Richtung lotrecht zum Balken (12), um einen Schleifstein (32), der auf einem Ende des Schleifsteinhalters (23) montiert ist, an das Zentrum des Kreisbogens anzunähern und von diesem zu entfernen, und in eine zweite Richtung parallel zum Balken (12), um eine Hin- und Herbewegung des Schleifsteins (32) durchzuführen, verlagerbar ist.
  2. Maschine zum Schleifen einer Gleisschweißnaht nach Anspruch 1, dadurch gekennzeichnet, dass sie eine Positionsregelung des Schleifsteinhalters (22) in der ersten Richtung lotrecht zum Balken (12) mittels eines Zylinders (33) für die radiale Verlagerung des Schleifsteinhalters aufweist, der von einem Servoventil (15) in Kombination mit einem Positionssensor (35) versorgt wird.
  3. Maschine zum Schleifen einer Gleisschweißnaht nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der Balken (12) mindestens eine Kopierlamelle (52) umfasst, die für jede rotierende Verlagerung des Balkens (12) auf einen Punkt des Schienenkopfs (13) geführt und im Kontakt gehalten wird, um dieselbe Referenz während der Hin- und Herbewegung des Schleifsteins (32) beizubehalten.
  4. Maschine zum Schleifen einer Gleisschweißnaht nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der Balken (12) einen akustischen Sensor (16) umfasst, um ein Anliegen des Schleifsteins (32) auf dem Schienenkopf zu ermitteln.
  5. Maschine zum Schleifen einer Gleisschweißnaht nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass sie einen Zylinder (17) für die Längsverlagerung des Schleifsteinhalters, kombiniert mit einem absoluten Positionssensor (19), aufweist, um die Hin- und Herbewegung des Schleifsteinhalter (22) mit variablen Lauflängen zu automatisieren.
  6. Maschine zum Schleifen einer Gleisschweißnaht nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der Balken (12) einen Hydraulikmotor (11) zum Rotationsantrieb des Schleifsteins (32) und einen Drucksensor (65), der auf der Versorgung des Hydraulikmotors (11) montiert ist, um eine von dem Hydraulikmotor (11) bereitgestellte Kraft zu messen, umfasst.
  7. Maschine zum Schleifen einer Gleisschweißnaht nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass im Fall eine hohlen Schweißnaht eine Freisetzungsbewegung des Schleifsteins (32) am Ende jedes Hin- und Herlaufs automatisch durchgeführt wird, um die Schleifflächen mit dem unbearbeiteten Teil des Schienenkopfs (3) zusammenzubringen.
  8. Maschine zum Schleifen einer Gleisschweißnaht nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass sie zwei gekrümmte Halter (10) aufweist und dass der Balken (12) eine oder mehrere gerade Rollen (8) an einem der Enden umfasst, um auf einem geraden Kranzsektor eines der gekrümmten Halter zu rollen und eine oder mehrere V-förmige Rollen (58) am anderen der Enden, um auf einem V-förmigen Kranzsektor des anderen der gekrümmten Halter zu rollen, um eine Führung mit vermindertem Spiel des Balkens (12) in Verlagerung auf diesen gekrümmten Haltern zu sichern.
  9. Maschine zum Schleifen einer Gleisschweißnaht nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass sie einen programmierbaren Automatikcontroller (31) aufweist, der für die Kontrolle und Steuerung jeder Verlagerung des Balkens (12) und des Schleifsteinhalter (23) ausgebildet ist.
  10. Maschine zum Schleifen einer Gleisschweißnaht nach Anspruch 9, dadurch gekennzeichnet, dass der programmierbare Automatikcontroller (31) einen Speicher umfasst, der Daten speichert, die von einem zugeordneten tragbaren elektronischen Lineal zum Messen der Geradheit bereitgestellt werden, und eine elektronische Vorrichtung zum programmierten Verarbeiten, um Positionen und Längen der Hin- und Herbewegungen in Abhängigkeit von den zulässigen Toleranzen festzulegen, um einen vollständigen Ablauf des Schleifzyklus im Automatikmodus ohne menschliches Eingreifen zu steuern.
EP10809292.5A 2009-12-29 2010-12-17 Schleifer für schienenprofil Not-in-force EP2519693B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0959649A FR2954784B1 (fr) 2009-12-29 2009-12-29 Meuleuse de profil de rails
PCT/FR2010/052806 WO2011080463A1 (fr) 2009-12-29 2010-12-17 Meuleuse de profil de rails

Publications (2)

Publication Number Publication Date
EP2519693A1 EP2519693A1 (de) 2012-11-07
EP2519693B1 true EP2519693B1 (de) 2015-03-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP10809292.5A Not-in-force EP2519693B1 (de) 2009-12-29 2010-12-17 Schleifer für schienenprofil

Country Status (3)

Country Link
EP (1) EP2519693B1 (de)
FR (1) FR2954784B1 (de)
WO (1) WO2011080463A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107175554A (zh) * 2017-07-19 2017-09-19 西藏天仁科技发展有限公司 一种钢轨肥边自动打磨方法
CN111660168A (zh) * 2020-06-22 2020-09-15 筑岚门窗设计（杭州）有限公司 一种防溅射的建筑门门窗五金件加工用打磨装置

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ITVE20110025A1 (it) * 2011-04-26 2012-10-27 Fama S R L Macchina molatrice tangenziale.
DE102017208906A1 (de) * 2017-05-26 2018-11-29 Robel Bahnbaumaschinen Gmbh Schienen-Schleifmaschine und Verfahren zum Schleifen von Schienen eines Gleises
CN107165008A (zh) * 2017-07-19 2017-09-15 西藏天仁科技发展有限公司 一种可调节钢轨肥边打磨高度的打磨机
CN107217558A (zh) * 2017-07-19 2017-09-29 西藏天仁科技发展有限公司 一种钢轨肥边自动打磨机
DE202018004312U1 (de) * 2018-09-17 2018-10-10 Goldschmidt Thermit Gmbh Vorrichtung zum Reprofilieren und Entgraten von Schienen
CN110205883B (zh) * 2019-05-27 2024-09-20 长春航泰智联科技有限公司 一种全自动铁轨打磨系统
NL2023916B1 (nl) 2019-09-27 2021-05-27 Volkerwessels Intellectuele Eigendom Bv Lokaal slijpen van een spoorstaaf

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FR2661698A1 (fr) * 1990-05-03 1991-11-08 Repcorail Sarl Meuleuse reprofileuse portative par copie du rail.
JP3383056B2 (ja) * 1994-01-24 2003-03-04 川崎重工業株式会社 レール溶接部自動仕上げ装置

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CN107175554A (zh) * 2017-07-19 2017-09-19 西藏天仁科技发展有限公司 一种钢轨肥边自动打磨方法
CN111660168A (zh) * 2020-06-22 2020-09-15 筑岚门窗设计（杭州）有限公司 一种防溅射的建筑门门窗五金件加工用打磨装置

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EP2519693A1 (de) 2012-11-07
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WO2011080463A1 (fr) 2011-07-07

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