EP1301385A1 - Dispositif de controle mecanique et electrique de systeme de reglage d'appareil de commande d'aiguillage - Google Patents

Dispositif de controle mecanique et electrique de systeme de reglage d'appareil de commande d'aiguillage

Info

Publication number
EP1301385A1
EP1301385A1 EP01984228A EP01984228A EP1301385A1 EP 1301385 A1 EP1301385 A1 EP 1301385A1 EP 01984228 A EP01984228 A EP 01984228A EP 01984228 A EP01984228 A EP 01984228A EP 1301385 A1 EP1301385 A1 EP 1301385A1
Authority
EP
European Patent Office
Prior art keywords
coupling rod
parts
tongue
piston
sensors
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
EP01984228A
Other languages
German (de)
English (en)
Other versions
EP1301385B1 (fr
Inventor
Herbert Achleitner
Anton Schaffer
Josef Hörtler
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.)
Voestalpine Turnout Technology Zeltweg GmbH
Voestalpine Railway Systems GmbH
Original Assignee
Voestalpine VAE GmbH
Voestalpine Weichensysteme GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Voestalpine VAE GmbH, Voestalpine Weichensysteme GmbH filed Critical Voestalpine VAE GmbH
Publication of EP1301385A1 publication Critical patent/EP1301385A1/fr
Application granted granted Critical
Publication of EP1301385B1 publication Critical patent/EP1301385B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/10—Locking mechanisms for points; Means for indicating the setting of points
    • B61L5/107—Locking mechanisms for points; Means for indicating the setting of points electrical control of points position

Definitions

  • the invention relates to a device for checking the function of devices for converting movable switch parts, in which the movable switch parts are connected to one another via an opposing rod.
  • a device for converting movable switch parts has become known, for example, from AT 405 925 B.
  • two parts which are axially displaceable relative to one another can be displaced in a position which is non-positively coupled to one another in at least one direction of movement, the parts which are displaceable relative to one another being formed by a tube and a rod guided in the tube and at least partially arranged in a stationary outer tube are.
  • the locking members for the end position locking are formed by balls which cooperate with the axially displaceable parts and the outer tube and can be moved in the radial direction into a locking position in a recess or inner ring groove of the outer tube.
  • the rod guided in the tube is at the same time designed as a piston rod for a hydraulic cylinder-piston unit, so that the device known from AT 405 925 B not only ensures end position locking for movable switch parts, but also effects the changeover of the switch.
  • a rigid coupling rod is provided in the known device, via which the switch tongues are connected, so that when a tongue is adjusted, the corresponding corresponding movement of the second tongue is non-positively ensured.
  • AT 405 925 B describes sensors which are adjacent to the end face of the hydraulic cylinder piston unit or cylinder and thus the distance of the tubular tube connected to the tongue. signal the component from the required end position.
  • a break in the coupling rod leads, for example, to the fact that the movement of the two tongues in the same direction is no longer guaranteed, so that the tongue moving from the system into the storage area is secured against further displacement via a separate locking groove in a position in which a correct end position is not was achieved.
  • the previously known safety devices are not sufficient and it is therefore an object of the present invention to provide a device with which an additional function check of devices for the changeover and end position locking of movable switch parts.
  • the invention aims to provide an additional mechanical function control in which any deviation of the tongue position from the respective target position and any malfunction of the end position lock can be electronically monitored directly and in which the exact cause of the fault can be deduced directly on the basis of the signals generated.
  • the design according to the invention essentially consists in that the coupling rod consists of two rod parts displaceable in the axial direction relative to one another and that sensors for detecting at least two mutually different displacement positions of the Coupling rod parts are arranged.
  • Such a two-part coupling rod is particularly suitable when using change-over devices, in which the movable switch parts are not moved synchronously, i.e., for example, via a rigid coupling rod, but in which the remote tongue is first unlocked and moved over a first partial path, after which only the changeover process for the adjacent tongue begins.
  • a changeover device has the advantage that the tongue located in the system is held in this position for a longer time, even while the changeover process is starting.
  • the coupling rod parts move in such a way that the coupling rod initially becomes longer at the beginning of the conversion process, then maintains its length and, at the end of the conversion process, reaches its original length again.
  • the sensors can thus signal at least three switching operations during the entire changeover process, so that an almost continuous functional check of the changeover device is ensured.
  • a second control level can be realized with the checking device according to the invention and thus also a statement about the cause of a possible error can be made.
  • a preferred development of the device according to the invention is that the coupling rod parts have stops to limit the axial mutual displaceability. This ensures that the length change of the coupling rod is only possible within defined limits and that the coupling rod takes over the effect of a rigid coupling rod when the maximum length given by the stops is reached and thus guarantees a synchronous movement of the two movable switch parts over part of the changeover path is.
  • This has the advantage that the locking of a tongue simultaneously ensures a certain securing of the second tongue even when the locking device for one of the two tongues no longer functions correctly.
  • a coupling rod part has a tubular part encompassing at least one axial partial region of the other coupling rod part.
  • the tubular part of one coupling rod part here has a stop which engages behind a piston-shaped end piece of the other coupling rod part.
  • a stop which engages behind a piston-shaped end piece of the other coupling rod part.
  • the coupling rod parts are advantageously connected to one another via a spring, in particular a helical spring.
  • a spring in particular a helical spring.
  • Such a design has the advantage that the mutual displacement of the two coupling rod parts to one another is not hindered, but that if the coupling rod breaks, ie if the two tongues are no longer rigidly connected to one another, the coupling rod is held in its initial position.
  • the spring holds the two coupling rod parts in a certain position to each other, in which the two Coupling rod parts can not be moved against each other due to the action of the spring, so that the sensors can not generate switching signals. In this way, a break in the coupling rod is reliably detected even in a monitoring station that is locally removed from the changeover device.
  • the sensors are designed as contacts, so that the reliability of such sensors can be increased further and a corresponding signal is only reliably generated when the corresponding end position is reached.
  • a first sensor is rigidly connected to a coupling rod part, the sensor interacting with an actuating element arranged on the tubular part in order to detect a first displacement end position of the coupling rod parts.
  • This sensor is thus arranged in such a way that it can be displaced together with a coupling rod part relative to the other coupling rod part and, when a displacement end position is reached, that is to say when the stops for limiting the change in length of the coupling rod interact, cooperates with a rigid actuating element arranged on the tubular part and generate a signal this way.
  • a second sensor is preferably rigidly connected with a coupling rod part, said second sensor for detecting a second displacement end of Koppel tange parts wi th a disposed within the tubular member stop face interacts, wherein further the stop face supported within 'of the tubular member relative to said resiliently displaceable can be .
  • Such a resilient mounting of the stop surface for the second sensor which signals the final displacement position, which corresponds to the contact of the tongues, has the advantage that there is no elastic deflection of the adjacent tongue, which can be triggered, for example, by a train running over it Triggers a switching signal, since the resiliently mounted stop surface follows this resilient movement of the tongue.
  • the design is such that the stops are arranged displaceably.
  • the limitation of the change in length of the piston rod given by the stops can be set, so that the test device can be adapted to the conditions given by the changeover and locking device in each case.
  • the piston-shaped end piece is advantageously connected to a coupling rod part by means of a thread, it also being possible for the tubular part to be connected to a coupling rod part by means of a thread.
  • the sensors are advantageously connected to an evaluation and monitoring device.
  • the signals of other sensors can also be fed to such an evaluation and monitoring device, so that a detailed error analysis can be carried out.
  • FIG. 1 a switch changeover device with a coupling rod
  • FIG. 2 shows an enlarged representation of the left side of the changeover device according to FIG. 1
  • FIG. 3 shows an enlarged representation of the right side of the changeover device according to FIG. 1
  • FIG. 4 shows a partial representation of the coupling rod in section.
  • Fig. 1 shows a stock rail 1, with 2 a switch tongue resting against the stock rail 1 being shown.
  • the remote switch tongue is labeled 3.
  • the changeover device 4 in this case comprises an external tube 5, which extends on both sides of a central region, which is designed as a cylinder 6.
  • a hydraulic one Movable piston 7 is arranged, wherein the hydraulic medium is pressed into the effective working spaces via hydraulic lines 8 and 9.
  • the piston 7 is connected to a continuous piston rod 10 which has different cross-sectional areas over its axial length.
  • tubes 11 are provided which are connected to the switch tongues 2 and 3 via connection devices 12.
  • connection devices 12 which are described in detail in WO 99/20511, ensure that vibrations of the switch tongues 2 and 3 can be kept completely away from the changeover and locking system 4 and at the same time a play-free absorption of the changeover forces is made possible.
  • a coupling rod 13 can also be seen, which consists of the rod parts 14 and 15. The parts 14 and 15 are each coupled to a part of the connecting device 12 connected to the switch tongue 2 and 3, respectively.
  • the encapsulated part 16 of the coupling rod 13 is shown in more detail in FIG. 4 and described in more detail below.
  • FIG. 1 The left-hand side of FIG. 1 shown in FIG. 2 is the side which is responsible for the locking position of the remote tongue 3.
  • the locking elements which are formed by an expandable ring 17 and the associated balls 18, are in this case held by an axial region 19 of the piston rod 10 in the locking position against a stop 20 in a recess 21 of the outer tube 5, with a displacement of the with the Tongue 3 connected tube 11 is prevented from the remote position of the tongue in a system position by the stop 20 and the ring 17.
  • This locking position for the remote tongue 3 can only be released in that the piston rod 10 is displaced by the piston 7 in the direction of arrow 22, the balls 18 reaching the smaller diameter axial area 23 of the piston rod 10.
  • the overlap lengths of the closure members can be chosen, for example, such that after a piston adjustment of 14 mm (a), an active adjustment of the remote tongue 3 begins, so that the coupling rod part 14 is taken along by the remote tongue 3.
  • Fig. 4 can be seen in more detail, thus moves at the beginning of the part-operation process of the coupling rod part 14 in the direction of arrow 22, but the coupling rod part 15, which is connected to the adjacent tongue 2, remains immobile.
  • the coupling rod part 15 is in this case connected via a thread to a tubular part 30 which engages around the coupling rod part 14.
  • a piston-shaped end piece 31 is connected to the coupling rod part 14 and is engaged behind by a stop 32 of the tubular part 30.
  • a distance b is provided at the beginning of the operation.
  • the piston-shaped end piece 31 now comes into contact with the stop 32 of the tubular part 30, so that the coupling rod part 15 and thus the attached lying tongue 2 is taken.
  • the closure of the adjacent tongue 2 is already unlocked, so that the tongue 2 is moved from the system into the storage area via the coupling rod.
  • the length c must be chosen greater than the sum of the lengths a and b.
  • Sensors 34 and 35 are rigidly connected to the coupling rod part 14 and signal the respective displacement end positions of the coupling rod parts 14 and 15.
  • the contact switch 35 In the initial position, in which the stops 32 and 33 are held at a distance b from one another, the contact switch 35 is in contact with the ring-shaped contact part 36.
  • the sensor 34 then contacts a mating contact 37 attached to the tubular part 30, whereupon at the end of the switching process, the contact holder 35 again triggers a switching signal.
  • a sequence of switching signals is thus generated during the entire relocation process, which enables a precise functional check of the changeover device.
  • a spring 41 is provided between the coupling rod part 15 and the end piece 31 of the other coupling rod part 14. If the coupling rod breaks, the spring 41 has the effect that the distance b between the stops 32 and 33 is maintained. In this way, a relative displacement of the coupling rod parts 14 and 15 with respect to one another can be avoided, so that in this case the contact switches 34 and 35 do not trigger any signals. Overall, the two coupling rod parts 14 and 15 are secured by a nut 42.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Railway Tracks (AREA)
  • Actuator (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Mechanisms For Operating Contacts (AREA)

Abstract

L'invention concerne un dispositif de contrôle du fonctionnement de systèmes (4) de déplacement d'éléments d'aiguillage mobiles (2, 3), dans lequel lesdits éléments mobiles (2, 3) sont reliés entre eux par l'intermédiaire d'une tringlerie d'accouplement (13) comprenant deux éléments de tringle (14, 15) déplaçables l'un par rapport à l'autre en direction axiale. Il est prévu des détecteurs (34, 35) permettant de détecter au moins deux positions de déplacement, différentes l'une de l'autre, des éléments de tringle d'accouplement (14, 15).
EP01984228A 2000-07-14 2001-07-12 Dispositif de controle mecanique et electrique de systeme de reglage d'appareil de commande d'aiguillage Expired - Lifetime EP1301385B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT0051800U AT4844U1 (de) 2000-07-14 2000-07-14 Einrichtung zur mechanischen und elektrischen überprüfung der verstelleinrichtung von weichenantrieben
AT2000518U 2000-07-14
PCT/AT2001/000230 WO2002006104A1 (fr) 2000-07-14 2001-07-12 Dispositif de controle mecanique et electrique de systeme de reglage d'appareil de commande d'aiguillage

Publications (2)

Publication Number Publication Date
EP1301385A1 true EP1301385A1 (fr) 2003-04-16
EP1301385B1 EP1301385B1 (fr) 2008-07-02

Family

ID=3492722

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01984228A Expired - Lifetime EP1301385B1 (fr) 2000-07-14 2001-07-12 Dispositif de controle mecanique et electrique de systeme de reglage d'appareil de commande d'aiguillage

Country Status (14)

Country Link
US (1) US7191986B2 (fr)
EP (1) EP1301385B1 (fr)
CN (1) CN1285478C (fr)
AT (2) AT4844U1 (fr)
AU (1) AU2002222924A1 (fr)
CA (1) CA2415546C (fr)
CZ (1) CZ293033B6 (fr)
DE (1) DE50114074D1 (fr)
DK (1) DK1301385T3 (fr)
ES (1) ES2307663T3 (fr)
HU (1) HUP0301738A2 (fr)
PL (1) PL204400B1 (fr)
PT (1) PT1301385E (fr)
WO (1) WO2002006104A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT502042B1 (de) * 2005-05-18 2007-01-15 Vae Gmbh Vorrichtung zur endlagenprüfung von beweglichen teilen einer schienenweiche
US7699272B2 (en) * 2007-09-14 2010-04-20 Jim Arnold Railroad switching indicator mechanism
AT507216B1 (de) * 2008-09-11 2010-03-15 Vae Eisenbahnsysteme Gmbh Vorrichtung zum festlegen einer weichenstelleinrichtung an backenschienen einer schienenweiche
US8684318B2 (en) * 2010-09-16 2014-04-01 Spx International Limited Mechanical lock
US8152111B1 (en) * 2010-11-30 2012-04-10 Albert Edwin Bryan System and apparatus for indicating the position and condition of a switch point in a railroad switch
CN113562018B (zh) * 2021-08-16 2025-03-25 北京全路通信信号研究设计院集团有限公司 一种铁路道岔外锁闭装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2091155A (en) * 1932-06-21 1937-08-24 Gen Railway Signal Co Control switch for railway traffic controlling systems
US2740041A (en) * 1951-10-06 1956-03-27 Gen Equipment & Mfg Company Railway switch position indicator
DE1957120A1 (de) 1969-11-13 1971-05-19 Langer Paul Gerhard Rotierende axial foerdernde Verdraengerpumpe
SE506183C2 (sv) * 1993-05-27 1997-11-17 Abb Daimler Benz Transp Anordning vid järnvägsspår för omläggning av spårväxel
US5806809A (en) * 1997-03-12 1998-09-15 Danner; Don D. Railroad switch point position sensing system and method
AT405925B (de) * 1997-05-27 1999-12-27 Vae Ag Einrichtung zum verriegeln der endlagen von beweglichen weichenteilen
US6062514A (en) * 1998-07-22 2000-05-16 Union Switch & Signal, Inc. Railway switch circuit controller
US6427950B1 (en) * 1999-06-04 2002-08-06 Meridian Rail Information Systems Corp. Electrically operated railroad switch machine
US6296208B1 (en) * 1999-08-25 2001-10-02 Union Switch & Signal, Inc. Railway switch machine point detection system
ATA149899A (de) * 1999-08-31 2005-10-15 Vae Ag Einrichtung zur feststellung der verriegelungslage oder der verschiebeendlage eines zylinderkolbenaggregates eines weichenantriebes

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0206104A1 *

Also Published As

Publication number Publication date
AT4844U1 (de) 2001-12-27
ATE399691T1 (de) 2008-07-15
AU2002222924A1 (en) 2002-01-30
PL359103A1 (en) 2004-08-23
EP1301385B1 (fr) 2008-07-02
DK1301385T3 (da) 2008-10-27
CA2415546A1 (fr) 2003-01-09
PL204400B1 (pl) 2010-01-29
ES2307663T3 (es) 2008-12-01
CN1458893A (zh) 2003-11-26
PT1301385E (pt) 2008-09-24
CN1285478C (zh) 2006-11-22
US7191986B2 (en) 2007-03-20
HUP0301738A2 (en) 2003-09-29
CZ200351A3 (cs) 2003-04-16
WO2002006104A1 (fr) 2002-01-24
DE50114074D1 (de) 2008-08-14
CZ293033B6 (cs) 2004-01-14
US20040069910A1 (en) 2004-04-15
CA2415546C (fr) 2007-01-09

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