EP0825943B1 - Einrichtung zum umstellen von weichen - Google Patents

Einrichtung zum umstellen von weichen Download PDF

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Publication number
EP0825943B1
EP0825943B1 EP96910853A EP96910853A EP0825943B1 EP 0825943 B1 EP0825943 B1 EP 0825943B1 EP 96910853 A EP96910853 A EP 96910853A EP 96910853 A EP96910853 A EP 96910853A EP 0825943 B1 EP0825943 B1 EP 0825943B1
Authority
EP
European Patent Office
Prior art keywords
piston
cylinder
hydraulic
working chambers
valves
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
EP96910853A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0825943A1 (de
Inventor
Gerald Durchschlag
Herbert Achleitner
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
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 filed Critical Voestalpine VAE GmbH
Priority to SI9630140T priority Critical patent/SI0825943T1/xx
Publication of EP0825943A1 publication Critical patent/EP0825943A1/de
Application granted granted Critical
Publication of EP0825943B1 publication Critical patent/EP0825943B1/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
    • B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/04—Fluid-pressure devices for operating points or scotch-blocks
    • B61L5/045—Fluid-pressure devices for operating points or scotch-blocks using electrically controlled fluid-pressure operated driving means

Definitions

  • the invention relates to a device for switching switches with a A plurality of hydraulic systems connected in parallel or in series Cylinder-piston units which are arranged offset in the longitudinal direction of the rail and with a hydraulic drive unit are connected.
  • Cylinder-piston units which are arranged offset in the longitudinal direction of the rail and with a hydraulic drive unit are connected.
  • a mechanical linkage In such facilities for Moving switches is known to connect the individual closures with a mechanical linkage.
  • Such a mechanical connection A large number of adjusting devices or closures, however, requires a relatively large amount of space as well a large number of different parts. In addition to the heightened With such a mechanical connection, the need for space is required Tongue device impaired, and it also becomes an unfavorable one-sided Mass distribution caused on a switch.
  • a hydraulic actuating device is already known from EP-A2 480 303, in which a plurality of individual adjustment cylinders is controlled via a hydraulic station. From DE-B2 1952823 are different circuit arrangements for the Series connection or the parallel connection of a plurality of such hydraulic Actuators known.
  • DE-A-2 144 564 discloses a device for switching switches with the features according to the preamble of claim 1.
  • the invention now aims to provide a device of the type mentioned in the introduction, which can easily be retrofitted into existing switch devices can be installed and in which the effort for a correspondingly complex Control can be omitted.
  • the invention aims to achieve this, despite only one small number of different components requiring simple construction a high degree of To ensure reliability and failure immunity.
  • the device according to the invention is intended in a simple manner as an exchange for mechanical Establishments of known design can be used to improve the packability of the To improve the tongue device and the one-sided mass distribution on the switch avoid.
  • the hydraulic cylinder piston units each contain a floating piston or plunger between two work rooms and the floating pistons or Plungers interact with blow-open valves within their displacement.
  • the It controls different adjustment positions along the rail path lockable or switchable connection achieved by means of the poppet valves.
  • Depends on the Piston or plunging is opened or interrupted in this connection. At If the connection is interrupted, the target position of the actuating device is reached exactly.
  • Such a hydraulic actuator with floating pistons or plungers forms Thus, in addition to its compact design, it can also be easily adapted to the required requirements.
  • Hydraulic drive unit becomes fluid in the work rooms during a changeover process displaced by identically constructed cylinder piston assemblies, which means that the Coupling with neighboring cylinder piston units can be achieved.
  • Hydraulic drive unit becomes fluid in the work rooms during a changeover process displaced by identically constructed cylinder piston assemblies, which means that the Coupling with neighboring cylinder piston units can be achieved.
  • Overall can such a device with identical cylinder piston units in particular simple construction are built, with the connection between neighboring Cylinder-piston units only corresponding hydraulic lines are to be provided. The Interconnection takes place in such a way that the same adjustment of neighboring ones Cylinder-piston units are caused when medium is extracted from the hydraulic Drive unit is squeezed.
  • the inventive method is particularly simple Training so that the poppet valves in one of the two workrooms connected bore of the piston or plunger are arranged, each in the mutually opposite working spaces immersed end or ring surfaces of the Pistons or plungers can have identical cross-sectional area.
  • Such one floating piston or plunger provides a structurally particularly simple, Reliable and compact unit, which each with a small footprint desired location can be arranged.
  • Such cylinder piston units can be provided, the main advantage in it is that identical cross-sectional areas are acted upon by pressure medium, which results in a synchronous movement.
  • the control of different Adjustment positions along the rail path is achieved by means of the push-open valves lockable or switchable connection reached.
  • the training can be taken with advantage so that the piston or plunger of Pump element a bearing, in particular a sliding block with an annular groove or Has bearing eye between its free ends and that the bearing from a Breakthrough of the cylinder protruding or between two fixed cylinders is arranged.
  • a bearing in particular a sliding block with an annular groove or Has bearing eye between its free ends and that the bearing from a Breakthrough of the cylinder protruding or between two fixed cylinders is arranged.
  • the ring surface of a piston has the required identical working cross-section guarantee in both shift directions.
  • a particularly simple construction is in This is achieved in that the piston with a continuous and the cylinder sealingly penetrating piston rod is rigidly connected and that the piston rod or Cylinder is fixed.
  • the entire system is advantageous set at a predetermined pressure above atmospheric pressure.
  • temperature fluctuations which lead to a change in pressure could be buffered, for which the training is advantageously made such that the Working areas of the cylinder-piston units via pressure relief valves with a pressure accumulator are connected.
  • the pressure relief valves are controllable check valves, wherein such controllable check valves result in a high degree of operational safety. At high operating temperatures it becomes a medium pressed by opening the check valves in the pressure accumulator, whereas if the pressure drops, the pressure via the check valves into the system in turn can be made available.
  • FIG. 1 shows a plan view of a Part of a rail switch
  • Fig. 2 shows a detail of the connection of a Cylinder-piston unit with a mechanical slide rod
  • Fig. 3 is a schematic 2
  • FIG. 4 is an enlarged view of the hydraulic Cylinder-piston unit partially in section
  • Fig. 5 is a plan view of the illustration 4
  • Fig. 6 is a schematic representation of the hydraulic connection of the individual Cylinder-piston units
  • Fig. 7 shows an alternative design of cylinder-piston units for the device according to the invention
  • Fig. 8 is a schematic view of the in Soft built-in training according to FIG. 7.
  • Fig. 1 rails 1 are schematically indicated, which are connected to sleepers 2. in the Area of a switch, tongue rails 3 are provided in addition to the control rails 1, which via a separate reversible hydraulic drive unit, which is schematic with 4, can be brought into their respective position.
  • the hydraulic Drive unit 4 acts via a hydraulic linkage 5 and the hydraulic ones Cylinder-piston units 6 on the tongue rails 3.
  • Cylinder-piston units 6 can be seen in the course of the rails, which are coupled together are.
  • the hydraulic cylinder piston units 6 with the Slide rods 7 can be seen more clearly.
  • the cylinder-piston units 6 have one Slide block 8, in which a pin 9 of the slide rod 7 engages.
  • Fig. 3 is the way of determining the hydraulic Cylinder-piston units 6 on the threshold 2 clarified. The determination is made via a Stop plate 10, which is fixed on the threshold 2. The hydraulic Cylinder-piston units 6 require relatively little space, so that the plugging of the Substructure is not affected.
  • FIGS. 4 and 5 The operation of the hydraulic cylinder piston units and their preferred Design is explained in more detail in FIGS. 4 and 5.
  • 4 and 5 is a plunger 11 having hydraulic cylinder piston unit 6 can be seen.
  • the plungers 11 dive via seals 12 in the respective working spaces 13 of the hydraulic Cylinder-piston units, and when the plunger 11 is shifted in one of the directions of the double arrow 14 is medium from the corresponding work space 13 squeezed out.
  • the hydraulic connections open to the outer openings 15 in respective work area 13.
  • the sliding block is again designated 8, above which the mechanical coupling takes place.
  • To protect the facility is also a Rubber sleeve 16 provided.
  • the device according to FIG. 4 can be seen in plan view. How to get out of the 4 also shows, are in such a design of the hydraulic cylinder piston unit have the same cross-sections on both sides effective.
  • the cylinders of the hydraulic cylinder-piston unit are fixed via bolts 17 on the angle plate 10.
  • a spring-loaded valve 20 is provided, which from Hydraulic pressure in the lines 5 is applied. If the pressure in the Hydraulic lines 5 drops below a limit, the force of the spring of spring-loaded valve 20 move the spring-loaded valve 20 into the closed position, so that a further displacement of the hydraulic cylinder piston unit 6 is prevented. In this case, the point machine is blocked and a corresponding fault message submitted.
  • a pressure accumulator 21 is also provided, which is connected via overflow valves or Check valves 22 is connected to the respective hydraulic lines 5.
  • the Overflow valves or check valves are switched so that when the Pressure due to thermal expansion fluid is pressed into the memory 21 and conversely with a slight drop in pressure fluid from the hydraulic accumulator 21 is pressed back into the lines 5. Only if there is a leak and if there is a corresponding one Pressure drop in the memory 21, the spring-loaded safety valves 20 are effective.
  • Fig. 7 is again a modified design of the hydraulic Cylinder-piston units can be seen. Again, the same is for the purpose To apply work surfaces with fluid, the training is made so that in the two Working spaces 13 each have the same cross sections of a piston.
  • the Piston 23 is connected to a piston rod 24 and it is in the present case the ring surface is effective or acted upon.
  • FIG. 8 shows closures arranged coaxially to the drive according to FIG. 7.
  • 6 is again the hydraulic cylinder piston unit of the drive and with 25 each designated for each changeover closure.

Landscapes

  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Actuator (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Vehicle Body Suspensions (AREA)
  • Selective Calling Equipment (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Keying Circuit Devices (AREA)
  • Jib Cranes (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Pens And Brushes (AREA)
  • Motor Or Generator Current Collectors (AREA)
  • Braking Arrangements (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Lock And Its Accessories (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
EP96910853A 1995-05-03 1996-05-02 Einrichtung zum umstellen von weichen Expired - Lifetime EP0825943B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI9630140T SI0825943T1 (en) 1995-05-03 1996-05-02 Points control device

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AT759/95 1995-05-03
AT0075995A AT403462B (de) 1995-05-03 1995-05-03 Einrichtung zum umstellen von weichen
AT75995 1995-05-03
PCT/AT1996/000087 WO1996034786A1 (de) 1995-05-03 1996-05-02 Einrichtung zum umstellen von weichen

Publications (2)

Publication Number Publication Date
EP0825943A1 EP0825943A1 (de) 1998-03-04
EP0825943B1 true EP0825943B1 (de) 2000-01-19

Family

ID=3499043

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96910853A Expired - Lifetime EP0825943B1 (de) 1995-05-03 1996-05-02 Einrichtung zum umstellen von weichen

Country Status (14)

Country Link
US (1) US6056244A (pl)
EP (1) EP0825943B1 (pl)
AT (2) AT403462B (pl)
AU (1) AU703598B2 (pl)
CA (1) CA2220083C (pl)
DE (1) DE59604244D1 (pl)
DK (1) DK0825943T3 (pl)
ES (1) ES2141492T3 (pl)
GR (1) GR3033037T3 (pl)
NO (1) NO975025L (pl)
PL (1) PL180128B1 (pl)
PT (1) PT825943E (pl)
RU (1) RU2143360C1 (pl)
WO (1) WO1996034786A1 (pl)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT403463B (de) * 1995-12-14 1998-02-25 Vae Ag Einrichtung zum sichern der endlagen von weichen- und kreuzungsstellantrieben
IT1298019B1 (it) * 1997-10-22 1999-12-20 Sasib Railway Spa Cassa di manovra per scambi ferroviari, ferrotranviari, o simili.
AT406038B (de) * 1997-12-17 2000-01-25 Vae Ag Einrichtung zum unterstützen der verschiebebewegung und zum elastischen verriegeln von beweglichen weichenteilen
AT407369B (de) * 1998-04-07 2001-02-26 Vae Ag Einrichtung zum umstellen der beweglichen teile von schienenweichen oder -kreuzungen
AT5706U1 (de) * 2001-05-07 2002-10-25 Vae Eisenbahnsysteme Gmbh Verfahren zum einbauen von weichen in geleise sowie weiche zur durchführung dieses verfahrens
AT5757U1 (de) * 2001-07-31 2002-11-25 Vae Eisenbahnsysteme Gmbh Einrichtung zum umstellen von weichen
AT411350B (de) * 2002-08-13 2003-12-29 Vae Eisenbahnsysteme Gmbh Weichenantrieb für bewegliche herze
ATE329811T1 (de) * 2003-03-21 2006-07-15 Cit Alcatel Weichenantriebssystem
AT6379U3 (de) * 2003-05-09 2005-06-27 Vae Eisenbahnsysteme Gmbh Einrichtung zum fernüberwachen von weichenantrieben
ITFI20030296A1 (it) * 2003-11-19 2005-05-20 Ge Transp Systems S P A Cassa di manovra per scambi ferroviari
AT502042B1 (de) * 2005-05-18 2007-01-15 Vae Gmbh Vorrichtung zur endlagenprüfung von beweglichen teilen einer schienenweiche
AT507216B1 (de) * 2008-09-11 2010-03-15 Vae Eisenbahnsysteme Gmbh Vorrichtung zum festlegen einer weichenstelleinrichtung an backenschienen einer schienenweiche
EP2418135B1 (en) * 2010-07-22 2013-04-17 ALSTOM Transport SA Method and oil-hydraulic control unit for supplying oil-hydraulic actuators in switch machines of railway points
DE202010008526U1 (de) * 2010-09-14 2010-12-30 Contec Gmbh Transportation Systems Betonschwelle
CN102951181B (zh) * 2012-11-16 2015-08-19 北京中铁通电务技术开发有限公司 一种轨枕式电液转辙机
US12104331B2 (en) * 2016-09-12 2024-10-01 Mona Beaman Saborage-resistant switch device for moving railroad switch points
CN112249086B (zh) * 2020-10-17 2021-09-03 西安交通大学 一种矿用液压增力一体化直驱转辙机
CN112727831A (zh) * 2021-01-04 2021-04-30 北京全路通信信号研究设计院集团有限公司 一种电液转辙机用液压动力单元

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1910070B2 (de) * 1969-02-28 1973-08-16 Standard Elektrik Lorenz Ag, 7000 Stuttgart Elektrohydraulischer antrieb zum umstellen von auffahrbaren und nicht auffahrbaren weichen in eisenbahnanlagen
CH520009A (de) * 1970-06-16 1972-03-15 Int Standard Electric Corp Elektrohydraulischer Antrieb zum Umstellen von auffahrbaren und nichtauffahrbaren Weichen in Eisenbahnanlagen
DE2144564A1 (de) * 1971-09-06 1973-03-15 Siemens Ag Weichenstellsystem fuer eisenbahnanlagen mit schlankweichen
IT1242226B (it) * 1990-10-10 1994-03-03 Sasib Spa Dispositivo di manovra per deviatoi ferroviari, in particolare per linee ad alta velocita'
US5417392A (en) * 1993-10-25 1995-05-23 Wyatt; Michael L. Hydraulic switch stand with rail pump charging and hydraulic lock
SK14996A3 (en) * 1994-06-24 1996-06-05 Vae Ag Device for setting up of changing points

Also Published As

Publication number Publication date
US6056244A (en) 2000-05-02
NO975025L (no) 1998-01-02
AU5392796A (en) 1996-11-21
PL180128B1 (pl) 2000-12-29
CA2220083A1 (en) 1996-11-07
GR3033037T3 (en) 2000-08-31
EP0825943A1 (de) 1998-03-04
DE59604244D1 (de) 2000-02-24
ATA75995A (de) 1997-07-15
PL323107A1 (en) 1998-03-16
AU703598B2 (en) 1999-03-25
PT825943E (pt) 2000-06-30
RU2143360C1 (ru) 1999-12-27
WO1996034786A1 (de) 1996-11-07
ES2141492T3 (es) 2000-03-16
NO975025D0 (no) 1997-10-31
ATE188928T1 (de) 2000-02-15
AT403462B (de) 1998-02-25
DK0825943T3 (da) 2000-07-03
CA2220083C (en) 2001-02-20

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