EP0344145B1 - Einrichtung zum Erfassen des Zustandes von Schienenweichen oder Kreuzungen - Google Patents

Einrichtung zum Erfassen des Zustandes von Schienenweichen oder Kreuzungen Download PDF

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Publication number
EP0344145B1
EP0344145B1 EP89890151A EP89890151A EP0344145B1 EP 0344145 B1 EP0344145 B1 EP 0344145B1 EP 89890151 A EP89890151 A EP 89890151A EP 89890151 A EP89890151 A EP 89890151A EP 0344145 B1 EP0344145 B1 EP 0344145B1
Authority
EP
European Patent Office
Prior art keywords
sensor
rail
sensors
tongue
spring leaves
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.)
Expired - Lifetime
Application number
EP89890151A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0344145A1 (de
Inventor
Franz Dipl.-Ing. Rotter
Wolfgang Dipl.-Ing. Nayer
Erich Sattler
Heribert Quantschnigg
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 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
Priority claimed from AT139588A external-priority patent/AT396843B/de
Application filed by Voestalpine VAE GmbH, Voestalpine Weichensysteme GmbH filed Critical Voestalpine VAE GmbH
Publication of EP0344145A1 publication Critical patent/EP0344145A1/de
Application granted granted Critical
Publication of EP0344145B1 publication Critical patent/EP0344145B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
    • B61L23/04—Control, warning or like safety means along the route or between vehicles or trains for monitoring the mechanical state of the route
    • B61L23/042—Track changes detection
    • B61L23/045—Rail wear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L1/00—Devices along the route controlled by interaction with the vehicle or train
    • B61L1/02—Electric devices associated with track, e.g. rail contacts
    • B61L1/06—Electric devices associated with track, e.g. rail contacts actuated by deformation of rail; actuated by vibration in rail

Definitions

  • the invention relates to a device for detecting the condition of rail switches or crossings, in particular for diagnosing wear and for determining maintenance intervals.
  • Monitoring devices for the spatial position of swiveling rails can be found, for example, in AT-PS 358 625.
  • the known monitoring devices which were used in connection with rail switches and crossings, were limited to reporting back the end positions of the pivotable rails, so that the track can be released after the correct end position of the pivotable rails has been reported.
  • Such devices were primarily used in remote control devices or signal boxes or local control devices and from EP-A-153 900 it has already become known to include the monitoring of the point machine in the end position monitoring.
  • Premature wear of switch parts can only be insufficiently recognized with such devices, and it is in particular not possible to use the known devices to create a diagnostic system which can record operational data of a switch at a distance from the actual switch drive or the tongue rail ends and in particular the premature wear .
  • the invention now aims to provide a device of the type mentioned at the beginning, with which it is additionally possible to record data for the condition of the switch, in particular the wear of the switch.
  • the device according to the invention essentially consists in that a sensor for detecting deviations of the wheel arch in the lateral direction and / or in the height direction is arranged in the area of the theoretical centerpiece tip.
  • a sensor for detecting deviations of the wheel arch in the lateral and / or in the vertical direction is provided in the area of the theoretical centerpiece tip, it is now possible to prevent unacceptable wear or changes in the To record the range, which can lead to premature wear of the tailpiece.
  • an embodiment according to the invention is therefore made such that the sensor is designed as a switch, the actuating member of which is pivotably mounted about an intersecting axis which is essentially normal to the rail surface plane or essentially parallel to the rail surface plane and runs in the direction of the bisector of the centerpiece is.
  • Such a simple switch can be actuated by pivoting the actuating member about its respective pivot axis and can be designed to be correspondingly robust, and can be largely kept free of interference from electromagnetic fields.
  • the actuator of the switch can be conical and can flare from the top edge downwards and from the front end to the frog tip. As long as there is no excessive wear, such an actuator for the switch is not touched by either the wheel flange or the tread of the wheels and the switch is therefore not operated as long as no such collision of the flange or the tread with the actuator occurs.
  • displaceability of the actuating member in the vertical direction can be permitted, and the design can advantageously be made such that the Bearing the actuator is connected to another pressure sensor for detecting vertical forces on the sensor.
  • the configuration is preferably such that the sensor is formed by two spring leaves connected to one another at an acute angle, on the side surfaces of which strain gauges are fixed and whose free ends on a base plate, in particular on a threshold.
  • the structure can be further simplified and the effort for evaluating the sensor signals can be reduced.
  • the extent of such deviations can be detected in order to define the permissible limit values for the deviation in each case solely via the evaluation circuit, regardless of the design of the sensor.
  • the design is preferably such that the free ends of the spring leaves are angled outwards and that the strain gauges are arranged on the side surfaces in the area of these bends.
  • the arrangement of the strain gauges in the area of the bends of the side surface leads to relatively large measurement signals even with only slight bending in the tip area of the sensor, so that a high detection and measurement accuracy is given.
  • the design is preferably such that the strain gauges are arranged on the mutually facing inner surfaces of the spring leaves.
  • the spring leaves themselves can be designed in such a way that their outer sides are not aligned with the side flanks of the frog, but rather are offset inwards, in such cases, in order to obtain exact measured values, the design must be such that the An appropriate probe with the required width is connected to the connection point of the spring leaves.
  • the training can advantageously be such that the sensor has a particularly spherical head in the area of the connection of the spring leaves to one another.
  • the design is advantageously made such that the acute angle enclosed by the spring leaves or the angle between the flanks of the pivotable sensor of the angles enclosed by the lateral flanks of the frog tip essentially corresponds.
  • the design can advantageously be developed in such a way that the space formed between the spring leaves is filled with a permanently elastic mass, in particular synthetic resin or foam.
  • the range of the theoretical frog tip basically extends from the actual or effective frog tip to beyond the mathematical frog tip, since such a range is not exactly limited.
  • a sensor is now preferably arranged between the mathematical or theoretical frog tip and the effective frog tip, with such an arrangement creating the possibility of realizing effective protection against impermissible deformation of the sensor.
  • the design is advantageously made such that a rigid protective device for the sensor is arranged between the sensor and the theoretical frog tip. In order to be able to withstand the loads, this rigid protective device must naturally end just before the mathematical or theoretical centerpiece tip and it must be ensured in any case that the groove width required for the passage of the flange is guaranteed.
  • the senor is designed in a contactless manner, in particular as an IR sensor.
  • a contactlessly working sensor in particular an IR sensor, it is possible in a simple manner to determine the distance between the sensor and the wheel both in the vertical and in the horizontal direction, from which if certain limit values for are undershot the distance can be concluded from wear of the rails in the frog area.
  • a complete picture of the functional state of the switch can be obtained by additional sensors, some of which are known per se.
  • additional sensors With such additional sensors, conventional inductive or capacitive proximity switches can be used, since this additional information only has to be measured in the static state, but not while the switch is being driven on.
  • sensors known per se are also provided at a distance from the end of the tongue rail for monitoring the minimum distance of the stock rail from the tongue rail.
  • Such additional sensors which are arranged at a distance from the end of the tongue rail, provide information about the narrowest passage, which until now has only been checked at random or has been checked visually.
  • a complete picture of the operating status of a switch can only be achieved if the screwing of the cardiac tip to the wing splints is also monitored when using this type of heart.
  • the design is advantageously created in such a way that additional sensors for monitoring the fixing of the frog screws, in particular between the screw head and the washer or on the screw head, are arranged and are connected to a measured value circuit via measuring lines.
  • the sensors known per se for monitoring the end position of the tongue rails can advantageously be designed and used as part of a device for carrying out a switch diagnosis method in such a way that the sensors for monitoring the end position of the tongue rails in a manner known per se as contactless sensors, in particular as inductive sensors or IR sensors, and that both the signal for the contact of the tongue rail on a stock rail and the signal indicating a distance from the contact position are fed to an evaluation circuit. Because both the signal for the contact of the tongue rails on a stock rail and the signal indicating a distance from the system position are evaluated, wear on the tongue system or the insertion of a foreign body can also be diagnosed in this area by evaluating the distance indicator .
  • the design is such that additional mechanical sensors are provided for monitoring the tongue rail system over the entire length of the rail switch or crossing, and by evaluating the distance from the contact position, conclusions can be drawn about the state of wear or the penetration of foreign bodies between the stock rail and Tongue rail are possible, whereby the condition of the tongue rail can be monitored over a wide area and the detection of wear thereof is not limited to the tip area.
  • a non-contact or mechanical sensor is additionally arranged in the area of the narrowest passage between the stock rail and the tongue rail for the detection of a drop below the limit value for the mutual distance, whereby the distance is recognized during operation and damage to the components can be prevented by taking measures in good time.
  • FIG. 1 shows a schematic overall arrangement of a diagnostic device according to the invention
  • 2 shows an enlarged illustration of a switch frog, in the tip area of which a switch according to the invention is arranged
  • 3 shows a section in the direction of the bisector the heart of a first embodiment of a sensor according to the invention with the actuator removed
  • 4 shows a view in the longitudinal direction of the rail on the switch according to FIG. 3 with the actuating member in the area of the heart tip
  • 5 shows an enlarged view of a modified embodiment of the sensor according to the invention
  • FIG. 6 shows a side view of the sensor according to FIG. 5 in the direction of arrow VI with a protective device arranged directly adjacent to it.
  • a switch 1 is indicated in FIG. 1, the tongue rails 2 of which are drawn in a position releasing the straight track 3.
  • the conventional point machine and the known safety devices are used. Sensors for the tongue position and the smallest passage at a distance from the tongue rail end can be provided in this area.
  • the associated signal line is schematically designated 4 and connected to an evaluation circuit 5.
  • the changeover force of the turnout drive and in particular the current consumption of the turnout drive can also be detected via the evaluation circuit 5, the associated control lines being designated by 6.
  • remote monitoring of the insulating joint or, if appropriate, a point heater is indicated schematically with a signal line 7.
  • the sensors used in this area are of a conventional nature and are described in detail in the literature, so that a detailed description can be omitted here.
  • the guidance distance, the wheel control groove and the height wear can be detected via signal lines 9, as will be described in detail below.
  • Measured values for the correct screwing of the frog to the evaluation circuit 5 can be sent via a signal line 10 be directed.
  • the signals of the evaluation circuit 5 can be processed in a master computer 11 and, if necessary, displayed or recorded on a display device 12.
  • the sensor arrangement provided in the area of the frog 8 is shown in more detail in FIG.
  • the area of the frog is shown enlarged in FIG. 2, an area of the outer running rail being indicated with a wheel control arm 13 even in a representation that is not to scale.
  • a knee splint 15 is located adjacent to the frog 8, a catch opening 14 being provided between the frog and the knee splint, which tapers to the inlet opening a.
  • the groove width between the tip of the heart and the knee brace is designated by b.
  • the effective heart tip 16 is at a distance from the theoretical mathematical heart tip 17, which represents the intersection of the imaginary extensions of the flanks of the heart tip.
  • a sensor 18 is now arranged between the effective cardiac tip 16 and the mathematical cardiac tip 17, which provides information about impermissible wear.
  • a protective device 30 (FIG. 6) is arranged directly adjacent to the sensor 18 in the direction of the mathematical or theoretical tip 17 of the heart.
  • a first embodiment of the sensor 18 has, as shown in FIGS. 3 and 4, an actuating member 20 which can be pivoted about an axis 19.
  • the pivot axis 19 is parallel to the bisector 21 of the frog 8, as shown in Fig.2.
  • the carrier part 22, on which the actuating member 20 is pivotally articulated, carries a receiving opening 23 for a switch which is actuated by pivoting the actuating member 20.
  • the carrier 22 can be displaced in a substantially vertical direction in the sense of the double arrow 24 to avoid deviations in the vertical direction and in particular a collision of the wheel tread with the switch.
  • the carrier 22 is spring-loaded via a spring 25 and a further pressure sensor 26 is provided below the carrier, which responds to the upper edge 27 of the actuating member when the wheel tread strikes.
  • Excessive wear or an intolerable drop below the guide distance 29, which is defined by the distance between the wheel control arm 13 and the centerpiece 8, is also signaled when the wheel flange of a wheel comes into collision with the side flanks 28 of the actuating member 20, because in this If the actuator is deflected about the axis 19, whereby the switch in the receiving opening 23 is actuated.
  • a protective device is not shown.
  • a modified embodiment of the sensor 18, which is shown enlarged in a view in FIG. 5, is formed by two spring leaves 31 enclosing an acute angle ⁇ , on the inner side surfaces of which strain gauges 32 are arranged.
  • the free ends of the spring leaves 31 are angled outwards and the strain gauges are located in the area of the bends, the free ends 33 of the spring leaves being fixed on a base plate 34, for example by screw connections 35.
  • the acute angle enclosed by the spring leaves 31 essentially corresponds to the flank angle of the frog tip, the flanks of the frog being indicated schematically in FIG. 5 by the dashed lines 36.
  • the protective device 30 lying adjacent to the sensor 18 in the direction of the mathematical tip of the heart has a similar outline. 5 also shows the spherical head 37 provided in the area of the connection of the spring leaves 31.
  • 5 and 6 show the common setting of the sensor 18, which of the two spring leaves with the ones arranged thereon Strain gauge is formed, shown in more detail on the common base plate 34.
  • the free ends of the spring leaves 31 are fixed in bores 38 of the base plate 34, while the protective device 30 is welded to the base plate 34.
  • the free space formed between the spring leaves 31 is filled with a permanently elastic mass, in particular synthetic resin or foam.
  • the monitoring of defined limit values and guide values while driving on the switches allows early, impermissible loads on the tip of the heart to be recognized.
  • the continuous monitoring and checking of the pre-tensioning forces of the screw connections by means of pressure transducers or strain gauges means that the screw connections are loosened automatically when the value falls below a defined limit recognized in time. From the conventional monitoring of the tongue system, the tongue fracture and the tongue opening with magnetic or induction fields or also with infrared sensors, continuous monitoring and detection can detect a change in the system behavior or undue undershooting of the limit value in the event of surface wear on the tongue rails.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Cash Registers Or Receiving Machines (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)
  • Recording Measured Values (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Earth Drilling (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)
  • Gears, Cams (AREA)
  • Stored Programmes (AREA)
  • Valve Device For Special Equipments (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Push-Button Switches (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Control Of Conveyors (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Air Bags (AREA)
  • Electrophonic Musical Instruments (AREA)
EP89890151A 1988-05-27 1989-05-19 Einrichtung zum Erfassen des Zustandes von Schienenweichen oder Kreuzungen Expired - Lifetime EP0344145B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AT1395/88 1988-05-27
AT139588A AT396843B (de) 1988-05-27 1988-05-27 Einrichtung zum erfassen des zustandes von schienenweichen oder kreuzungen
AT0270888A AT399401B (de) 1988-05-27 1988-11-03 Einrichtung zum erfassen des zustandes von schienenweichen oder kreuzungen
AT2708/88 1988-11-03

Publications (2)

Publication Number Publication Date
EP0344145A1 EP0344145A1 (de) 1989-11-29
EP0344145B1 true EP0344145B1 (de) 1994-03-30

Family

ID=25595736

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89890151A Expired - Lifetime EP0344145B1 (de) 1988-05-27 1989-05-19 Einrichtung zum Erfassen des Zustandes von Schienenweichen oder Kreuzungen

Country Status (14)

Country Link
US (1) US4986498A (ro)
EP (1) EP0344145B1 (ro)
JP (1) JPH0818556B2 (ro)
AT (2) AT399401B (ro)
AU (1) AU608981B2 (ro)
CA (1) CA1330120C (ro)
DE (1) DE58907323D1 (ro)
ES (1) ES2052970T3 (ro)
FI (1) FI90847C (ro)
LV (1) LV10518B (ro)
MD (1) MD311C2 (ro)
NO (1) NO174090C (ro)
RU (1) RU2013262C1 (ro)
UA (1) UA25968A1 (ro)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT407982B (de) * 1999-07-15 2001-07-25 Vae Ag Einrichtung zur erfassung von abweichungen eines radlaufes für schienenweichen oder -kreuzungen

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US5192038A (en) * 1989-09-11 1993-03-09 Ocampo Salvador C Safety detector for railroad switch points with visual indicator mechanism
AT399851B (de) * 1991-05-08 1995-08-25 Vae Ag Verfahren zum überwachen des zustandes von schienenweichen
AT399483B (de) * 1992-06-17 1995-05-26 Voest Alpine Eisenbahnsysteme Einrichtung zur erfassung von abweichungen des radlaufes für schienenweichen oder -kreuzungen
EP0575942A3 (en) * 1992-06-23 1995-10-25 Hitachi Ltd Display apparatus and method
AT399696B (de) * 1992-11-04 1995-06-26 Alcatel Austria Ag Weichenantrieb
FR2745543B1 (fr) * 1996-02-29 1998-05-22 Cogifer Systeme de telesurveillance pour reseau ferroviaire
AT407983B (de) * 1996-03-12 2001-07-25 Vae Ag Vorrichtung zum erfassen der positionen von schwenkbaren teilen einer weiche
US5806809A (en) * 1997-03-12 1998-09-15 Danner; Don D. Railroad switch point position sensing system and method
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US9733625B2 (en) 2006-03-20 2017-08-15 General Electric Company Trip optimization system and method for a train
US10308265B2 (en) 2006-03-20 2019-06-04 Ge Global Sourcing Llc Vehicle control system and method
US6588710B1 (en) * 2002-07-19 2003-07-08 Philip A. Taylor Railroad trackwork switch point position status indicator
KR100501463B1 (ko) * 2002-11-07 2005-07-18 경봉기술(주) 선로전환기 모니터링 시스템 및 방법
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US9956974B2 (en) 2004-07-23 2018-05-01 General Electric Company Vehicle consist configuration control
WO2006120258A1 (es) * 2005-05-13 2006-11-16 Plasticos Mondragon, S.L.U. Metodo y dispositivo para la comprobación del estado de apriete de sujecciones de vias ferroviarias
US7575201B2 (en) * 2005-08-18 2009-08-18 General Electric Company System and method for detecting a change or an obstruction to a railway track
US9828010B2 (en) 2006-03-20 2017-11-28 General Electric Company System, method and computer software code for determining a mission plan for a powered system using signal aspect information
JP2009053937A (ja) * 2007-08-27 2009-03-12 Asyst Technologies Japan Inc 搬送システム、及び搬送システムの制御方法
DE102008008578B3 (de) * 2008-02-11 2009-08-20 Deutsche Bahn Ag Ermittlung der dynamischen Radkraft eines Eisenbahnfahrzeugs auf das Herzstück einer Weiche
US8914171B2 (en) 2012-11-21 2014-12-16 General Electric Company Route examining system and method
CN103129584B (zh) * 2011-11-30 2016-02-03 国际商业机器公司 道岔监测方法与系统、铁路线路管理方法与系统
AU2013299501B2 (en) 2012-08-10 2017-03-09 Ge Global Sourcing Llc Route examining system and method
US9702715B2 (en) 2012-10-17 2017-07-11 General Electric Company Distributed energy management system and method for a vehicle system
US9255913B2 (en) 2013-07-31 2016-02-09 General Electric Company System and method for acoustically identifying damaged sections of a route
RU2652673C1 (ru) * 2017-04-26 2018-04-28 Открытое акционерное общество "Радиоавионика" Способ определения стрелочных переводов и положения остряков
US20200307662A1 (en) * 2017-10-30 2020-10-01 Konux Gmbh Data fusion concept
DE102018219137A1 (de) * 2018-11-09 2020-05-14 Siemens Mobility GmbH Weichenantriebsanordnung und Verfahren zur Weichendiagnose
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RU2757508C1 (ru) * 2021-04-13 2021-10-18 Открытое акционерное общество "Объединенные электротехнические заводы" Винтовой привод стрелочного перевода

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT407982B (de) * 1999-07-15 2001-07-25 Vae Ag Einrichtung zur erfassung von abweichungen eines radlaufes für schienenweichen oder -kreuzungen

Also Published As

Publication number Publication date
AU3516789A (en) 1989-11-30
CA1330120C (en) 1994-06-07
FI90847C (fi) 1994-04-11
LV10518B (en) 1995-06-20
JPH0818556B2 (ja) 1996-02-28
NO892144L (no) 1989-11-28
FI892591A0 (fi) 1989-05-26
EP0344145A1 (de) 1989-11-29
NO174090C (no) 1994-03-16
NO174090B (no) 1993-12-06
RU2013262C1 (ru) 1994-05-30
MD311C2 (ro) 1996-02-29
MD311B1 (ro) 1995-10-31
AT399401B (de) 1995-05-26
ATE103546T1 (de) 1994-04-15
AU608981B2 (en) 1991-04-18
UA25968A1 (uk) 1999-02-26
ES2052970T3 (es) 1994-07-16
FI90847B (fi) 1993-12-31
NO892144D0 (no) 1989-05-26
DE58907323D1 (de) 1994-05-05
US4986498A (en) 1991-01-22
LV10518A (lv) 1995-02-20
JPH0224263A (ja) 1990-01-26
ATA270888A (de) 1994-09-15
FI892591A (fi) 1989-11-28

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