EP0715580B1 - Einrichtung zum umstellen von weichen - Google Patents

Einrichtung zum umstellen von weichen Download PDF

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Publication number
EP0715580B1
EP0715580B1 EP95921646A EP95921646A EP0715580B1 EP 0715580 B1 EP0715580 B1 EP 0715580B1 EP 95921646 A EP95921646 A EP 95921646A EP 95921646 A EP95921646 A EP 95921646A EP 0715580 B1 EP0715580 B1 EP 0715580B1
Authority
EP
European Patent Office
Prior art keywords
piston
cylinder
hydraulic
working volumes
cylinder piston
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
EP95921646A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0715580A1 (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 SI9530154T priority Critical patent/SI0715580T1/xx
Publication of EP0715580A1 publication Critical patent/EP0715580A1/de
Application granted granted Critical
Publication of EP0715580B1 publication Critical patent/EP0715580B1/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 of switches, in which a plurality of coupled together hydraulic actuators in the longitudinal direction of the rails is staggered.
  • a mechanical connection of a plurality of actuators or closures requires a lot Space as well as a large number of different ones Individual parts.
  • the stuffability of Tongue device impaired and there is also a unfavorable one-sided mass distribution on a switch.
  • a hydraulic actuating device is already known from EP-A2 480 303 known in which a hydraulic station A plurality of individual adjustment cylinders is controlled.
  • Out DE-B2 1952823 are different circuit arrangements for series connection or parallel connection of a plurality such hydraulic actuators known.
  • DE 21 44 564 shows and describes a point setting system several actuating cylinders, at least the actuating cylinders for the same switch tongue are connected in series and all actuating cylinders the switch via an electromechanically operated Control valve to a hydraulic belonging to the drive unit Pressure accumulator are connected by a pump powered by a pressure switch controllable drive motor becomes.
  • FR-PS 2 196 619 shows and describes a device for hydraulic changeover of a switch.
  • the known hydraulic actuators each require a separate hydraulic drive unit, making overall a relatively complex construction is given.
  • the invention now aims to set up a device to create the type mentioned, which in a simple manner retrospectively built into existing switchover devices can be and at which the effort for an additional
  • the drive unit and a correspondingly complex control system are eliminated can.
  • the invention aims at despite a simple one requiring only minor different components Construction a high degree of reliability and failure immunity to ensure.
  • the invention easily set up as an exchange for mechanical devices of known construction are used can to improve the packability of the tongue device and to avoid the one-sided mass distribution at the switch.
  • a device for converting Switch proposed with the features of claim 1.
  • a first mechanical actuator is at least one hydraulic cylinder piston unit connected, whose cylinder rooms as pump work rooms with the work spaces of neighboring, hydraulic Actuators formed cylinder piston units are connected to drive in the same direction.
  • the Pump unit displaces fluid from the during a changeover process respective work space in work spaces of identical design Cylinder-piston units, which means the coupling with neighboring cylinder piston units can be achieved.
  • the training according to the invention is particularly simple trained so that the pump element and the hydraulic Actuators each have a floating piston or plunger contained in a cylinder between two work spaces, where each in the opposite work rooms immersed end or ring surfaces of the piston or Plungers have identical cross-sectional area.
  • Such one Floating piston or plunger makes a special design simple, reliable and compact unit, which with little space required at the desired Place can be arranged.
  • Such cylinder piston units can be provided, wherein the main advantage is that they are identical Cross-sectional areas are pressurized, whereby there is a synchronous movement.
  • the training be advantageously taken so that the piston or plunger of the pump element, a bearing, in particular a sliding block with an annular groove or a bearing eye between its free Has ends and that the bearing from an opening of the Cylinders projecting or between two fixed Cylinders is arranged.
  • a bearing in particular a sliding block with an annular groove or a bearing eye between its free Has ends and that the bearing from an opening of the Cylinders projecting or between two fixed Cylinders is arranged.
  • each Piston the required identical cross section in both Ensure shifting directions.
  • a particularly simple construction is achieved in this case by the piston with a continuous one and sealingly penetrating the cylinders Piston rod is rigidly connected and that the piston rod or the cylinder is fixed.
  • the pressure relief valves are particularly simple designed as controllable check valves, such controllable check valves to a high degree Operational safety result. At high operating temperatures Medium by opening the check valves in the pressure accumulator pressed out, whereas if the Pressure the pressure through the check valves in the system in turn can be made available.
  • An alternative control method to change the cross-section a different adjustment position along the rail path represents an education that is preferably taken this way is that in one of the two working spaces of a cylinder piston unit connecting line, e.g. in the form of a hole, Blow-open valves are arranged. Depending on the piston or Plismewolf this connection is interrupted or it there is a flow, the target position being reached exactly can.
  • FIG. 1 shows a plan view of a partial area of a Rail switch
  • Fig.2 shows a detail of the connection of a cylinder-piston unit with a mechanical pushrod
  • Fig.3 is a schematic partial view of the illustration of Fig.2
  • Fig.4 an enlarged view of the hydraulic cylinder piston unit partly in section
  • Figure 5 is a plan view of the Representation according to Fig.4
  • Fig.6 is a schematic representation of the hydraulic connection of the individual cylinder piston units
  • 7 shows a modified design of the hydraulic connection
  • 8 shows an alternative arrangement of hydraulic cylinder piston units in the course of the track
  • Fig. 9, Fig. 10 and Fig. 11 further alternative designs of cylinder piston units for the device according to the invention.
  • Fig.1 rails 1 are schematically indicated, which with Thresholds 2 are connected.
  • tongue rails 3 provided, which via an actuator, which is denoted schematically by 4 is, can be brought into their respective position.
  • Actuator 4 acts here via slide rods 5 on the tongue rails 3.
  • the slide rods 5 are over a central Tap 6 coupled to a hydraulic cylinder-piston unit 7.
  • hydraulic cylinder piston units 7 can be seen in the course of the rails, each of which with slide rods and locking devices, which in turn are denoted schematically by 5, are coupled.
  • the type of mechanical connection of the hydraulic cylinder piston assemblies 7 with the slide rods 5 more clearly visible.
  • the cylinder piston units 7 have one Slide block 8, in which a bolt 9 of the slide rod 5 engages.
  • a bolt 9 of the slide rod 5 engages.
  • the hydraulic cylinder piston units 7 on the threshold 2 clarifies. The determination is made via a stop plate 10, which is set at threshold 2.
  • the hydraulic cylinder piston units 7 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 embodiment is shown in FIGS. 4 and 5 explained.
  • 4 and 5 is a hydraulic plunger 11 Cylinder-piston unit 7 can be seen.
  • the plungers 11 plunge into the respective working spaces 13 of the seals 12 hydraulic cylinder piston units, and with a shift of the plunger 11 in one of the directions of the double arrow 14 becomes medium from the corresponding work space 13 squeezed out.
  • the hydraulic connections open to the outside Openings 15 in the respective work area 13.
  • the sliding block is again designated 8, by which the mechanical Coupling is done.
  • a rubber sleeve 16 is provided to protect the facility.
  • FIG. 5 shows the top view of the device according to FIG.
  • results are in such a design of the hydraulic Cylinder-piston unit have the same cross-sections on both sides effective. Determining the hydraulic cylinders Cylinder-piston unit takes place via bolts 17 on the angle plate 10th
  • the hydraulic lines 18 now contain a series of valves to reduce the pressure Keeping operating conditions constant and avoiding impermissible situations to be able to record safely.
  • a spring-loaded Valve 19 is provided, which from the hydraulic pressure in the Lines 18 is applied. If the pressure in the hydraulic lines 18 falls below a limit, the force of the Spring of the spring-loaded valve 19, the spring-loaded valve 19 move to the closed position, so that another shift of the hydraulic cylinder-piston unit acting as a pump element 7 is prevented. In this case, the point machine blocked and submitted a corresponding fault message.
  • a pressure accumulator 20 which is provided Overflow valves or check valves 21 with the respective Hydraulic lines 18 is connected.
  • the overflow valves or Check valves are switched so that when the Pressure due to thermal expansion fluid in the memory 20 is pressed and vice versa with a slight Decrease in pressure fluid from the hydraulic accumulator 20 in the Lines 18 is pressed back. Only with a leak and with one corresponding pressure drop also in the memory 20 spring-loaded safety valves 19 effective.
  • FIG. 7 shows a simplified design of the hydraulic linkage evident.
  • the reference numerals from Fig. 6 were in Fig. 7 maintained.
  • Fig. 7 As with the simplified training according to Fig. 7 can be seen here with a smaller number of valves sufficiency can be found, with the same effect achievable is.
  • pressure accumulator 20 connected throughout the hydraulic circuit, so that hydraulic fluid when a pressure relief valve responds 21 is returned to the memory 20.
  • the preload valves or safety valves 19 are from the accumulator pressure of the piston accumulator acted upon. An overpressure can be especially with strong warming due to solar radiation.
  • the piston spaces are again in series switched connected together, the pump element in turn provided with the bias valves or safety valves 19 is. Both connecting lines are in turn separate with pressure relief valves secured.
  • modified hydraulic cylinder piston units 7 provided, each at the ends of the Attack slide rods 5.
  • the modified ones Cylinder-piston units 7 have the same purpose as training 1, but with the functions for shifts are separated from each other to the left or to the right and none Common plunger or piston for both work rooms finds.
  • valves 10 and 11 are the working spaces 13 of a cylinder piston unit 7 through a line 24 in the form of a bore connected to each other, with poppet valves 25 installed. With the appropriate setting, these valves ensure the exact required path-dependent adjustment, which leads to the alternative possible cross-sectional changes can be dispensed with.

Landscapes

  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Actuator (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Vehicle Body Suspensions (AREA)
  • Selective Calling Equipment (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Structure Of Transmissions (AREA)
  • Massaging Devices (AREA)
  • Motor Or Generator Current Collectors (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Confectionery (AREA)
  • Power Steering Mechanism (AREA)
  • Pens And Brushes (AREA)
  • Transmitters (AREA)
  • Keying Circuit Devices (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Reciprocating Pumps (AREA)
EP95921646A 1994-06-24 1995-06-21 Einrichtung zum umstellen von weichen Expired - Lifetime EP0715580B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI9530154T SI0715580T1 (en) 1994-06-24 1995-06-21 Device for changing points

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
AT14094 1994-06-24
AT140/94U 1994-06-24
AT758/95 1995-05-03
AT75895 1995-05-03
PCT/AT1995/000125 WO1996000160A1 (de) 1994-06-24 1995-06-21 Einrichtung zum umstellen von weichen

Publications (2)

Publication Number Publication Date
EP0715580A1 EP0715580A1 (de) 1996-06-12
EP0715580B1 true EP0715580B1 (de) 1998-10-21

Family

ID=25591595

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95921646A Expired - Lifetime EP0715580B1 (de) 1994-06-24 1995-06-21 Einrichtung zum umstellen von weichen

Country Status (19)

Country Link
US (1) US5687935A (zh)
EP (1) EP0715580B1 (zh)
CN (1) CN1058670C (zh)
AT (1) ATE172416T1 (zh)
BG (1) BG62563B1 (zh)
CA (1) CA2170128C (zh)
CZ (1) CZ282833B6 (zh)
DE (1) DE59503982D1 (zh)
DK (1) DK0715580T3 (zh)
EE (1) EE9600027A (zh)
ES (1) ES2122623T3 (zh)
FI (1) FI113160B (zh)
HU (1) HU220656B1 (zh)
NO (1) NO960729D0 (zh)
PL (1) PL177783B1 (zh)
RO (1) RO117012B1 (zh)
RU (1) RU2128746C1 (zh)
SK (1) SK14996A3 (zh)
WO (1) WO1996000160A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7150436B2 (en) 2001-05-07 2006-12-19 Vae Eisenbahnsysteme Gmbh Method for installing points in railway tracks and points for carrying out said method

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT403462B (de) * 1995-05-03 1998-02-25 Vae Ag Einrichtung zum umstellen von weichen
GB9524541D0 (en) * 1995-11-30 1996-01-31 Westinghouse Brake & Signal Point drive unit
AT403463B (de) * 1995-12-14 1998-02-25 Vae Ag Einrichtung zum sichern der endlagen von weichen- und kreuzungsstellantrieben
DE19631174A1 (de) * 1996-08-05 1998-02-12 Butzbacher Weichenbau Gmbh Stelleinrichtung
IT1298019B1 (it) * 1997-10-22 1999-12-20 Sasib Railway Spa Cassa di manovra per scambi ferroviari, ferrotranviari, o simili.
AT407369B (de) * 1998-04-07 2001-02-26 Vae Ag Einrichtung zum umstellen der beweglichen teile von schienenweichen oder -kreuzungen
US6164602A (en) * 1999-02-17 2000-12-26 Abc Rail Products Corporation Railroad frog assembly with multi-position holdback
AU4384699A (en) * 1999-06-01 2000-12-18 Gabor Horvath Driving gear for points
AT5757U1 (de) * 2001-07-31 2002-11-25 Vae Eisenbahnsysteme Gmbh Einrichtung zum umstellen von weichen
ITMI20061647A1 (it) * 2006-08-28 2008-02-29 Gen Electric Motore idraulico per scambi ferroviari
ATE532690T1 (de) * 2008-11-27 2011-11-15 Alstom Transport Sa Vorrichtung zum bewegen von weichen, speziell hochgeschwindigkeitsweichen, sowie verfahren zum bewegen von weichen
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
CN102582663B (zh) * 2011-11-16 2015-03-18 北京国铁路阳技术有限公司 一种电动液压转辙机用同步传动机构
CN102582662B (zh) * 2011-11-16 2015-06-24 天津辉煌路阳科技有限公司 一种电动液压转辙机用液压总成
CN102602427B (zh) * 2011-11-16 2015-06-24 天津辉煌路阳科技有限公司 电动液压转辙机
JP6243258B2 (ja) * 2014-02-28 2017-12-06 株式会社京三製作所 接着照査器およびｉｄ設定装置
CN115162072A (zh) * 2022-07-21 2022-10-11 中铁六局集团有限公司 采用液压同步控制设备进行道岔横移的装置及施工方法

Family Cites Families (11)

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Publication number Priority date Publication date Assignee Title
FR586627A (fr) * 1924-09-26 1925-03-31 Signaux Entr Electriques Dispositif de manoeuvre des aiguilles de chemin de fer avec contrôle de la positionde ces aiguilles
US2367716A (en) * 1943-04-17 1945-01-23 Union Switch & Signal Co Apparatus for controlling railway switches
DE1005112B (de) * 1955-01-25 1957-03-28 Fritz Gruender Maschinenfabrik Weichenstellanlage, insbesondere fuer Grubenbahnen
DE1105450B (de) * 1956-07-26 1961-04-27 Hans Joachim Von Hippel Dr Ing Elektrohydraulisches Verstellgeraet, insbesondere Weichenstellvorrichtung
DE2051882C2 (de) * 1970-10-22 1975-03-06 Elektro-Thermit Gmbh, 1000 Berlin Zungenweiche mit zwei Zungenpaaren aus Gleisabschnitten des Stamm- und des Zweiggleises
DE2144564A1 (de) * 1971-09-06 1973-03-15 Siemens Ag Weichenstellsystem fuer eisenbahnanlagen mit schlankweichen
FR2196619A5 (zh) * 1972-08-17 1974-03-15 Sncf
FR2280537A2 (fr) * 1974-08-02 1976-02-27 Sncf Dispositif hydraulique de manoeuvre d'aiguillages, a commande electrique
IN147860B (zh) * 1977-02-03 1980-07-26 Westinghouse Brake & Signal
DE2817782C3 (de) * 1978-04-22 1981-02-19 Elektro-Thermit Gmbh, 1000 Berlin Zungenweiche
IT1242226B (it) * 1990-10-10 1994-03-03 Sasib Spa Dispositivo di manovra per deviatoi ferroviari, in particolare per linee ad alta velocita'

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7150436B2 (en) 2001-05-07 2006-12-19 Vae Eisenbahnsysteme Gmbh Method for installing points in railway tracks and points for carrying out said method

Also Published As

Publication number Publication date
PL312937A1 (en) 1996-05-27
DE59503982D1 (de) 1998-11-26
PL177783B1 (pl) 2000-01-31
WO1996000160A1 (de) 1996-01-04
HU220656B1 (hu) 2002-03-28
FI960830A0 (fi) 1996-02-23
HU9600280D0 (en) 1996-04-29
FI960830A (fi) 1996-02-23
EE9600027A (et) 1996-06-17
US5687935A (en) 1997-11-18
HUT74373A (en) 1996-12-30
RU2128746C1 (ru) 1999-04-10
FI113160B (fi) 2004-03-15
EP0715580A1 (de) 1996-06-12
ATE172416T1 (de) 1998-11-15
CN1058670C (zh) 2000-11-22
CA2170128A1 (en) 1996-01-04
CN1130892A (zh) 1996-09-11
DK0715580T3 (da) 1999-06-28
SK14996A3 (en) 1996-06-05
RO117012B1 (ro) 2001-09-28
CA2170128C (en) 1999-05-11
BG100384A (bg) 1996-10-31
NO960729L (no) 1996-02-23
CZ282833B6 (cs) 1997-10-15
CZ52696A3 (en) 1996-06-12
NO960729D0 (no) 1996-02-23
BG62563B1 (bg) 2000-02-29
ES2122623T3 (es) 1998-12-16

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