EP0824082B1 - Dispositif de mise en place - Google Patents

Dispositif de mise en place Download PDF

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Publication number
EP0824082B1
EP0824082B1 EP97113464A EP97113464A EP0824082B1 EP 0824082 B1 EP0824082 B1 EP 0824082B1 EP 97113464 A EP97113464 A EP 97113464A EP 97113464 A EP97113464 A EP 97113464A EP 0824082 B1 EP0824082 B1 EP 0824082B1
Authority
EP
European Patent Office
Prior art keywords
cylinder
piston rod
piston
setting device
working fluid
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
EP97113464A
Other languages
German (de)
English (en)
Other versions
EP0824082A1 (fr
Inventor
Hubertus Höhne, (Ing.)
Erich Nuding (Dipl.-Ing.)
Thomas Maul (Dipl.-Ing.)
Horst Gebhardt
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
Voestalpine Turnout Technology Germany GmbH
Original Assignee
Voestalpine BWG GmbH
Butzbacher Weichenbau 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 BWG GmbH, Butzbacher Weichenbau GmbH filed Critical Voestalpine BWG GmbH
Publication of EP0824082A1 publication Critical patent/EP0824082A1/fr
Application granted granted Critical
Publication of EP0824082B1 publication Critical patent/EP0824082B1/fr
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
    • B61L5/10—Locking mechanisms for points; Means for indicating the setting of points
    • 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

Definitions

  • the invention relates to an actuating device for at least one to be adjusted Track section, in particular switch or frog point actuating device, comprising a piston-cylinder arrangement to which working fluid can be applied this starting and leading to the track section connecting element such Slide rod, the actuating device being a double-acting cylinder with a fixed position arranged piston rod, along which the directly or indirectly with the Connecting element connected cylinder slidably and in its respective end position can be locked.
  • actuators that can be actuated via spindle drives or hydraulic cylinders known from which pushrods start.
  • the push rods work on switches for example with clasps to close the switch tongues lock or unlock.
  • Known actuators which can be actuated via spindle drives are for Example of DE 31 06 708 C1, US 4,637,579 or WO 95/08672.
  • the piston-cylinder arrangement forming a linear drive has one with the Cylinder firmly connected spring box, arranged in the preloaded springs are, which in turn can be supported on brackets of a shift rod, via one Switch tongue is adjustable.
  • Switch drives are also from DE 27 24 969 C3 or DE 25 57 574 B2 Piston-cylinder arrangements are known in which the cylinder is along a piston rod is movable.
  • EP 0 601 992 A1 relates to an actuating device of the type mentioned at the beginning.
  • a locking lever is provided, on the one hand by the Cylinder goes out and on the other hand engages in a valve housing that runs along a parallel to the piston rod sliding rod is displaceable.
  • a device for switching switches is known a plurality of coupled hydraulic actuating devices in the longitudinal direction of the rail has offset.
  • the present invention is based on the problem of an actuating device to provide the type mentioned above, in the case of a piston-cylinder arrangement a secure adjustment and locking and thus holding the track section in the respective end position is made possible, while at the same time little wear of the elements used and thus a reduction in maintenance shall be. In particular, it should also be ensured that when adjusting occurring leverage are kept as low as possible.
  • the problem is essentially solved in that the cylinder can be locked with the piston rod via at least one locking element, which has a auxiliary piston starting from the piston rod can be unlocked, the locking element is either a radially displaceable element in the cylinder or that Locking element is an element emanating from the piston rod that is used for locking of the cylinder in an external receptacle in its end region intervenes.
  • the cylinder is in its respective end position with the piston rod locked directly or indirectly. This ensures that when locked or unlocked track section this is not adjustable in an uncontrolled manner. It is particularly provided that when the working fluid is not in the required Should be pressurized by adjusting the cylinder by hand the respective end position and thus for locking it is possible, so that with the Basic safety requirements according to the invention is satisfied.
  • the cylinder in predetermined positions of the Piston rod each over the at least one in the cylinder, i.e. H. in the cylinder wall or in the cylinder head radially displaceable element such as a spring-loaded Bolt can be locked, which can be acted upon by fluid in the piston rod first auxiliary piston is adjustable, via which a connection between the working fluid supply and the working space between the piston and the cylinder can be closed or released.
  • the cylinder can only be adjusted along the piston rod then possible if the first auxiliary piston on the one hand has the locking element in engagement the piston rod brings and on the other hand released the connection to the work area is. There is a coordination between moving the locking element and Release the connecting channel in such a way that the locking element becomes jammed between cylinder and piston.
  • each cylinder head there are two diametrically opposed to each other in each cylinder head arranged at the end Arranged locking elements are provided, each of which within the Piston is associated with radially displaceable auxiliary pistons.
  • the locking device on the inside creates a closed unit on the outside, by which it is ensured that pollution or the like is an impairment is hardly possible. External controls are also not required.
  • the cylinder has the outer soap in its respective end Has receptacle for the articulation element that over the inside of the piston extending fluid-loaded second auxiliary piston for locking or unlocking of the cylinder is adjustable, the second auxiliary piston being in the unlocked cylinder a connection between the working fluid supply and between the cylinder and Piston releases existing working space.
  • the second auxiliary piston protrudes from the front of the respective piston face and is on the face side opposite the piston via a spring element surrounding the auxiliary piston so pressurized that to unlock the locking element of this must be pulled into the piston against the spring force.
  • the locking element has two in each case in a receptacle engaging leg having clamp element, the outside of the Piston or a bearing holding it like the bearing block can be supported. hereby there is a relief of the axes about which the legs of the locking element can be pivoted are.
  • the invention also preferably relates to an arrangement for adjusting thresholds supported track sections such as switch tongues in particular with several die Actuating devices adjusting track sections according to the invention, each cylinder piston arrangement of each actuator in each case in a threshold designed as a trough threshold is arranged and the cylinder piston assemblies via a common working fluid reservoir can be supplied with working fluid, the other as a trough threshold trained threshold is arranged.
  • the working fluid can flow to the existing working spaces between the piston rod and the cylinder via axial Bores of the piston rod flow, preferably from one end of each Extend the piston rod.
  • Movable lines for supplying the working fluid such as Hydraulic oil is not required. It is also particularly provided that the connecting element how the slide rod extends from the cylinder in the middle. This is direct power transmission possible with cheap lever elements.
  • FIG. 1 shows a first embodiment of an actuating device 10 in the form of a Double-acting cylinder 12 shown, in which a piston rod 13 runs with End sections 14, 16 passes through the end of the cylinder 12, which in turn is stationary in Bearings such as pedestals 18, 20 are fixed. So that the cylinder 12 along the Piston rod 13 is displaceable, a must between the piston rod section 14 or 16 and the cylinder 12 trained working space 22, 24 with working fluid such Hydraulic oil are applied, which within the piston rod sections 14, 16 axially extending bores 26, 28 of the working spaces 22, 24 in the described below Kind is feedable.
  • One is preferably in the center of the outer wall 30 of the cylinder 12 Slider rod 32 attached, the unspecified tip clip closures or other locking devices to those to be adjusted or locked and leads to unlocking track sections.
  • Slider rod 32 and the closure is referred to well-known constructions.
  • the locking bolt 38 extends in a radial bore 40 of the cylinder head 34 and is in the direction of the piston rod section 14 by means of a helical spring 42.
  • the closure for the track section for example the turnout closure
  • the pin 38 with its tapered End 41 engage in a corresponding receptacle 44 of the piston rod section 14.
  • the cylinder 12 is immovably connected to the piston rod 13.
  • an auxiliary piston assigned to the pin 38 must be used 46 acted upon with flowing through the bore 26 working fluid and after be pressed outside so that the bolt 38 with its inner end 41 in engagement arrives with the piston rod section 14.
  • the auxiliary piston 46 simultaneously a connection 47 to the work space 22 opened or closed. This means, that when the locking pin 38 is in engagement with the piston portion 14 arrives, the auxiliary piston 46 releases the connection 47, so that via the channel 26 in the working space 22 can flow working fluid.
  • the Cylinder 12 are shifted to the left. A corresponding arrangement can be found in the cylinder head 36 again.
  • FIG 3 also shows that the working space 22 with the bore 26 can be connected via a bore 50 which can be closed by a check valve 48, so that working fluid can flow back into the bore 26 when the cylinder 12 is again moved back into the position to be removed from FIGS. 2 and 4, and then to be locked.
  • a double-acting Cylinder 52 includes, within which there is a stationary piston rod 54 extends so that the cylinder 52 moves along the piston rod 54.
  • the piston rod 54 is penetrated at its respective end by an auxiliary piston 56, which is opposite the end face 58 of the piston rod 54 by means of a spring element such as a coil spring 60 is supported.
  • the auxiliary piston 56 or its piston rod arrives in the exemplary embodiment, two claw-like legs 62, 64 comprising locking element 66, whose angled leg ends 68, 70 in the direction of the cylinder 52 in corresponding receptacles 72, 74 engage in the outer cylinder wall when the cylinder 52 is to be locked.
  • the Auxiliary piston 56 are pressed against the spring force in the piston rod 54.
  • working fluid is arranged in a stationary manner via bearing eyes 76 of the bearing block 78 Piston rod 54 supplied.
  • the auxiliary piston 56 is simultaneously from the bearing eye 76 through a bore 80 and one between the outer wall 82 of the piston rod of the auxiliary piston 56 and of sections 84, 86 of the Inner wall 88 of the piston rod 54 limited channel (indicated by the arrow 90)
  • Working fluid directed into the longitudinal bore 92 of the piston rod 54 to be on this Way, the work space, not shown, between cylinder 52 and the like To apply section of the piston rod 54 and to move the cylinder 52.
  • a corresponding locking arrangement is located on the opposite, stationary arranged end of the piston rod 54.
  • the auxiliary piston 56 is in a position in which the locking element 66 in the Receptacles 72, 74 of the cylinder 52 engages, the channel 90 is closed, so that Working fluid cannot flow into the bore 92 through the bore 80 (FIG. 7).
  • FIG. 5 further clarifies that the legs 62, 64 are coaxial with their pivot axes can be supported on sections of the bearing block 78, so that the axles are relieved he follows.
  • a completely pre-assembled main part of the switch is shown in principle, in which the switch tongues 110, 112 are adjustable by means of adjusting devices according to the invention, from which are shown purely in principle piston-cylinder arrangements 12, 52, which 1-7 correspond.
  • the piston-cylinder assemblies 12, 52 are preferred for switches with ballast substructure in trough or lock compartment sleepers 94, 96, 100, 102 and are arranged by a common working fluid reservoir 104 supplied with working fluid via lines 106 and 108, which are preferably below the Rail should be arranged so as not to interfere with the tamping process.
  • the Working fluid reservoir 104 itself is also in a trough or lock compartment threshold trained threshold 98 arranged.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Actuator (AREA)
  • Component Parts Of Construction Machinery (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Massaging Devices (AREA)

Claims (9)

  1. Appareil de positionnement (10) pour au moins un segment de voie à positionner, notamment appareil de positionnement d'aiguille ou de pointe de coeur comprenant un vérin à fluide (12, 13, 52, 54), et un élément de liaison tel qu'une tige ou poussoir partant de celui-ci et relié au segment de voie,
    l'appareil de positionnement comprenant un vérin à double effet dont la tige de piston est fixe et le long de laquelle le cylindre relié directement ou indirectement à l'élément de liaison (32) coulisse et peut être bloqué dans sa position de fin de course respective,
    caractérisé en ce que
    le cylindre (12) avec la tige de piston (13) peut être bloqué par au moins un élément de blocage (66, 68) qui peut être débloqué par un piston auxiliaire (54, 56) partant de la tige de piston,
    l'élément de blocage est un élément coulissant radialement dans le cylindre, ou un élément partant de la tige de piston et qui, pénétrant dans une cavité (72, 74) du côté extérieur, au niveau de sa zone d'extrémité pour bloquer le cylindre,.
  2. Appareil de positionnement selon la revendication 1,
    caractérisé en ce que
    l'élément coulissant radialement est un goujon (38) chargé par la force d'un ressort.
  3. Appareil de positionnement selon l'une quelconque des revendications 1 ou 2,
    caractérisé en ce que
    le cylindre (12) comporte à son extrémité respective une tête de cylindre (34, 36) munie de deux des éléments tels que des goujons (38) sollicités par la force de ressorts et dirigés diamétralement l'un par rapport à l'autre vers la tige de piston (13).
  4. Appareil de positionnement selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    pour un élément (66) partant de la tige de piston, le piston auxiliaire (56) est sollicité par une force par l'intermédiaire d'un élément de ressort (60) appuyé du côté de la surface frontale contre la tige de piston et relié de manière articulée à l'élément,
    l'élément est un élément de griffes à deux branches (62, 64),
    lors du blocage du cylindre les branches pénètrent respectivement dans une cavité (72, 74) et
    pour déverrouiller le cylindre, on tire le piston auxiliaire contre la force de ressort, en agissant sur la tige de piston tout en basculant en même temps les branches de l'élément à griffes.
  5. Appareil de positionnement selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    de préférence des faces frontales de la tige de piston (13, 54), sont issues chaque fois d'un canal (26, 28, 92) traversé par le fluide de travail, ce canal conduisant par une liaison (47, 92) qui peut être libérée ou fermée par le piston auxiliaire (44, 46) coulissant dans la tige de piston, vers une chambre de travail (22, 24) entre la tige de piston et le cylindre.
  6. Appareil de positionnement selon l'une quelconque des revendications précédentes,
    caractérisé par
    un clapet anti-retour (48) entre la chambre de travail (22, 24) et le canal ainsi que le perçage axial (26, 28) de la tige de piston (13), ce clapet anti-retour étant ouvert pour déplacer le cylindre (12, 52) en l'absence de sollicitation par le fluide de travail.
  7. Appareil de positionnement selon la revendication 1,
    caractérisé en ce que
    l'élément de liaison tel qu'une tige de poussoir (32) est issu du milieu du cylindre (12, 52).
  8. Installation pour actionner des segments de voie appuyés sur des traverses (94, 96, 98, 100, 102) comme par exemple des lames d'aiguille avec plusieurs installations de positionnement (12, 52) déplaçant les segments de voie selon au moins la revendication 1, chaque dispositif à vérin ou chaque appareil de positionnement étant logé dans une traverse (94, 96, 100, 102) respective en forme de traverse creuse et les vérins sont alimentés en fluide à partir d'un accumulateur de fluide (104) commun, installé dans une autre traverse en forme de traverse creuse (98).
  9. Installation selon la revendication 8,
    caractérisée en ce qu'
    elle est constituée par un ensemble pré-assemblé transportable.
EP97113464A 1996-08-05 1997-08-05 Dispositif de mise en place Expired - Lifetime EP0824082B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19631174 1996-08-05
DE19631174A DE19631174A1 (de) 1996-08-05 1996-08-05 Stelleinrichtung

Publications (2)

Publication Number Publication Date
EP0824082A1 EP0824082A1 (fr) 1998-02-18
EP0824082B1 true EP0824082B1 (fr) 2002-10-02

Family

ID=7801555

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97113464A Expired - Lifetime EP0824082B1 (fr) 1996-08-05 1997-08-05 Dispositif de mise en place

Country Status (4)

Country Link
EP (1) EP0824082B1 (fr)
AT (1) ATE225269T1 (fr)
DE (2) DE19631174A1 (fr)
ES (1) ES2187705T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8684318B2 (en) 2010-09-16 2014-04-01 Spx International Limited Mechanical lock

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1952823C3 (de) * 1969-10-21 1975-08-21 Standard Elektrik Lorenz Ag, 7000 Stuttgart Einrichtung zum Umstellen von Schlankweichen in Eisenbahnanlagen
DE2144564A1 (de) * 1971-09-06 1973-03-15 Siemens Ag Weichenstellsystem fuer eisenbahnanlagen mit schlankweichen
DE2557574B2 (de) * 1975-12-20 1979-07-05 Fabeg Gmbh, 7518 Bretten Hydraulischer Weichenantrieb
DE2744969B2 (de) * 1977-10-06 1980-03-20 Fabeg Gmbh, 7518 Bretten Hydraulischer Weichenantrieb
DE3106708C1 (de) * 1981-02-23 1982-11-11 Siemens AG, 1000 Berlin und 8000 München Innenverschluß-Weichenantrieb
US4637579A (en) * 1983-02-10 1987-01-20 General Signal Corporation Railroad switch mechanism
DE3916696C2 (de) * 1988-05-26 1996-07-25 Barmag Barmer Maschf Weichenantrieb mit Linearantrieb
WO1992006244A1 (fr) * 1990-09-28 1992-04-16 Hsst Corporation Dispositif pour encliqueter et fixer un corps anime d'un mouvement alternatif
AT397790B (de) * 1991-01-16 1994-06-27 Alcatel Austria Ag Hydraulikeinheit
AT399697B (de) * 1992-11-04 1995-06-26 Alcatel Austria Ag Weichenantrieb mit einem hydraulischen stellzylinder
DE4332493C2 (de) * 1993-09-24 2002-12-12 Butzbacher Weichenbau Gmbh Stelleinrichtung
SK14996A3 (en) * 1994-06-24 1996-06-05 Vae Ag Device for setting up of changing points

Also Published As

Publication number Publication date
EP0824082A1 (fr) 1998-02-18
DE19631174A1 (de) 1998-02-12
ES2187705T3 (es) 2003-06-16
ATE225269T1 (de) 2002-10-15
DE59708361D1 (de) 2002-11-07

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