EP0649377A1 - Adjustable, insulating push or track rod for railway points. - Google Patents

Adjustable, insulating push or track rod for railway points.

Info

Publication number
EP0649377A1
EP0649377A1 EP94914960A EP94914960A EP0649377A1 EP 0649377 A1 EP0649377 A1 EP 0649377A1 EP 94914960 A EP94914960 A EP 94914960A EP 94914960 A EP94914960 A EP 94914960A EP 0649377 A1 EP0649377 A1 EP 0649377A1
Authority
EP
European Patent Office
Prior art keywords
bolt
insulating
bushings
interposition
adjustable
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
EP94914960A
Other languages
German (de)
French (fr)
Other versions
EP0649377B1 (en
Inventor
Gerald Durchschlag
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
Application filed by Voestalpine VAE GmbH, Voestalpine Weichensysteme GmbH filed Critical Voestalpine VAE GmbH
Publication of EP0649377A1 publication Critical patent/EP0649377A1/en
Application granted granted Critical
Publication of EP0649377B1 publication Critical patent/EP0649377B1/en
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
    • B61L5/02—Mechanical devices for operating points or scotch-blocks, e.g. local manual control
    • B61L5/023—Mechanical devices for operating points or scotch-blocks, e.g. local manual control using funicular driving means

Definitions

  • the invention relates to an adjustable insulating slide or tie rod for rail switches, in which two bushings with an internal thread are provided in the middle, in which part of the slide rods are screwed.
  • From DE-PS 1 116 712 for the transfer of the changeover force to a pair of tongues of a switch slide rods for a clamp closure have become known, which are designed to be insulating. From the known design, adjustability is achieved by providing a middle part in the manner of a turnbuckle with counter-rotating socket threads, in which track or slide rods are screwed in on both sides. In this known design, the middle part has the connecting strap for the adjusting drive. In this known design, it was proposed to achieve insulation by fitting the socket threads as an insulating bushing in the middle part.
  • the insulating bushes are subjected to tensile and compressive stresses and in the course of vibrations there is a risk that the bushings will loosen overall, as a result of which the previously set adjustment is lost.
  • the force absorption via insulated bush pressed into blind bores of a central part therefore has limitations.
  • An analogous design was developed in DE-AS 1 279 711, the longitudinal bores in the coupling sleeves being formed with a larger inside diameter than the outside diameter of the threaded bushings and a composite outer layer made of electrically insulating material for filling the threaded bushings being proposed .
  • the insulating intermediate layers are subjected to shear stress in the axial direction, which in turn can result in the adjustment for loosening in the course of long-lasting vibrations.
  • the connecting piece for the adjusting drive has two oppositely directed, conically tapering recesses into which a screw bolt with a corresponding conical head can be inserted.
  • the outer edge of the screw head is covered with insulating material and by screwing on the slide rod parts with the interposition of an insulating intermediate layer, the head of the connecting screw bolt is drawn into the conical recess of the intermediate piece.
  • an anti-rotation device is used by means of a dowel pin which penetrates a part of the connecting bolt and a part of the slide rod which is screwed to the connecting bolt, this is limited Anti-twist device on an anti-twist device relative to the connecting bolt, which is only held in a frictionally engaged manner and which can be twisted even in the conical recess of the intermediate piece while overcoming the frictional force. If the non-positive or frictional connection between the connecting bolt and the central part is loosened, there is no overall security against rotation relative to the central part.
  • the invention now aims to provide a simple to manufacture and easy to assemble insulated slide rod, in which, in the manner of a modular system, the components can be used both for an embodiment of the slide rod with or without an engagement piece for a drive rod, and at the same time for each Training a sales rotation of the slide rod parts relative to the central part and the parts of the central part with each other is ensured.
  • the invention aims to allow the forces of the individual parts of the slide rod against one another and during operation on insulating intermediate layers to act exclusively as compressive forces, as a result of which the insulating materials are exposed to less wear.
  • the design of the adjustable insulating slide or tie rod according to the invention essentially consists in that the bushings have at their inner end faces facing away from the free end for screwing in the sections at least one anti-rotation pin or screw pin arranged outside the axis , and that the bushings are connected to one another by means of at least one eccentric screw bolt or a further connecting bolt, optionally with the interposition of a center piece for the attack of an actuating rod, with the interposition of insulating inserts on the end faces, in the region of the anti-rotation bolt and / or the connecting bolt are.
  • the bushes have at their free end for screwing in the inner end face facing away from the parts, at least one anti-rotation pin arranged outside the axis or a screw bolt, when assembling the bushings becomes a middle piece, which assembly with the interposition of an engagement piece for an actuating rod or direct assembly of two bushings can ensure that the parts of the middle piece are secured against rotation against one another, insulating inserts arranged between the bushings, optionally with the interposition of a middle piece for attacking an actuating rod, being stressed only under pressure.
  • connection of the bushings carrying the thread can either be via eccentric screw bolts or in addition to a simple anti-rotation bolt in the manner of an eccentric fitting.
  • the insulation must be provided on the end faces in the area of the anti-rotation bolt and / or the connecting bolt.
  • the further connecting bolt is formed by an essentially axial screw bolt.
  • one of the two female threads of the bushings must be designed as a right-hand thread and the other as a left-hand thread, the insulated middle part being able to be assembled in a corresponding manner.
  • the design can be such that the bushings each have a fleece facing away from the insertion end, which is penetrated by at least one screw bolt with the interposition of insulating inserts, likewise a particularly simple one Assembling is again possible with the interposition of a center piece for the attack of an actuating rod.
  • the forces during assembly and operation are absorbed essentially exclusively as pressure forces, as a result of which a long service life and operational reliability are achieved.
  • an additional anti-rotation lock can be provided in a particularly simple manner.
  • the design is advantageously made such that the sections which can be screwed into the bushings each have at least one axial groove or a radial bolt bore for the engagement of an anti-rotation device, a plurality of axial grooves or radial pin bores in the circumferential direction of the insertion end a correspondingly exact adjustment is made possible even with small changes in the rotational position for axial adjustment.
  • the design is such that the connecting bolts are screwed against the insulating inserts with the interposition of pressure distribution disks, as a result of which no special care has to be taken during assembly and assembly with conventional ones
  • the push rod ends screwed into the thread of the central part designed as a turnbuckle can optionally be secured in a conventional manner by means of a nut and lock nut relative to the central part, since no further insulation is required at this point.
  • the fact that insulating materials in the threaded bushing itself are avoided not only makes it easy to secure them against rotation by means of adjusting screws immersed in an essentially axially extending groove, but also adjustment without additional checking of the insulation on site.
  • FIG. 1 shows a first embodiment of a middle piece with screwed-in pushrods without the interposition of a middle piece for the attack of an actuating rod
  • Fig. 2 shows a second embodiment of such a center piece, partly in axial section
  • 3 shows an embodiment with bushes corresponding to FIG. 2 with the interposition of the intermediate piece for the attack of an actuating rod
  • FIG. 4 shows an enlarged representation of the central pieces corresponding to FIG. 1 with an intermediate middle piece for the attack of an actuating rod, partly in axial section
  • 1 shows two bushings 2, each carrying an internal thread 1, which are screwed together on their inner surfaces or end faces facing one another, facing away from the insertion 3, with the interposition of insulating intermediate layers 4 which are subjected to pressure.
  • An anti-rotation lock is achieved here by using a dowel pin 5, the fixed connection of the two bushings being achieved by an essentially axial connecting bolt 6.
  • the axial connecting bolt 6 can itself be secured against rotation, for which purpose a radial bolt bore 7 is provided, in which an anti-rotation bolt engages. Due to the anti-twist device by means of the dowel pin or anti-twist device bolt 5, in spite of the anti-twist device of the connecting bolt 6, a secure rotational position fixing is also passed on in the event of a slight shrinkage in the area of the insulation elements.
  • Slide rod parts 8 are screwed into the insertion ends 3 of the bushes 2, the two interconnected bushes being designed in the manner of a turnbuckle, whereby the axial length of the slide rod can be adjusted by turning the two bushings.
  • the inserted bolts in the slide rod parts 8 carry radial grooves 9, in which anti-rotation bolts 10 can engage, which results in a particularly stable and reliable design.
  • two bushes 2 are in turn directly connected to one another without the interposition of an intermediate piece for the engagement of an actuating rod.
  • the connecting forces are absorbed between the end faces of the bushes 2 by insulating intermediate layers 4, which are essentially only subjected to pressure, the insulation naturally also having to be provided in the form of sleeves 13 in the region of the connecting bolts 12.
  • These sleeves 13 have ring flanges 14, with pressure Distribution rings 15 are interposed between the screw head and the ring flanges 14 in order to prevent damage to the insulation during assembly.
  • FIG. 4 When using bushings, as shown in FIG. 1 with the interposition of an engagement piece 20 for an actuating rod, an embodiment can be used as shown in FIG. 4.
  • the bushes 2 are used, as shown in FIG. 1, and in addition to an eccentric dowel pin 5 for securing the rotational position, an essentially axial connecting bolt 6 is again provided here, which, with the interposition of an insulating bushing 21 and the insulating intermediate layers 4, directly with the intermediate piece 20 is screwed.
  • the intermediate piece 20 in turn has an attack point 21 for the attack of an actuating rod.
  • identical components are used, with only one additional piece for the drive Rod is added and the rest of the same components as used in the embodiment of FIG. 1.
  • the insulating intermediate layers 4 can be designed such that they have overlapping annular projections on the outside of the bushes 2 or the intermediate piece 20, as a result of which Penetration of moisture into the area of the insulating intermediate layers is made more difficult.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Railway Tracks (AREA)
  • Insulating Bodies (AREA)
  • Insulators (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Toys (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Switches With Compound Operations (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Slide Switches (AREA)
  • Magnetically Actuated Valves (AREA)

Abstract

The adjustable, insulating push or track rod for railway points has two sleeves (2) fitted together in the manner of a turnbuckle, each of which has an internal thread (1). Track or push-rod sections (9) are screwed into the internal thread (1) so that the rotation of the turnbuckle permits the axial adjustment of the track or push-rod. The sleeves (2) are interconnected via insulating intermediate layers (4) using at least one off-centre locating pin (5) or connecting bolt, thus making it possible to maintain the correct rotation position even in case of lengthy operation and vibrations.

Description

Justierbare , isolierende Schieber- oder Spurstanαe für Schienen¬ weichenAdjustable, insulating slide or track stub for rail switches
Die Erfindung bezieht sich auf eine justierbare isolierende Schieber- oder Spurstange für Schienenweichen, bei welcher im mittleren Bereich zwei Buchsen mit Innengewinde vorgesehen sind, in welche Teils tücke der Schieberstangen eingeschraubt sind.The invention relates to an adjustable insulating slide or tie rod for rail switches, in which two bushings with an internal thread are provided in the middle, in which part of the slide rods are screwed.
Aus der DE-PS 1 116 712 sind zur Übertragung der Umstellkraft auf ein Zungenpaar einer Weiche Schieberstangen für einen Klam- merverschluß bekannt geworden, welche isolierend ausgebildet sind. Aus der bekannten Ausbildung wird eine Justierbarkeit da¬ durch erzielt, daß ein Mittelteil nach Art eines Spannschlosses mit gegenläufigen Buchsengewinden vorgesehen ist, in welchen Spur- bzw. Schieberstangen zu beiden Seiten eingeschraubt sind. Der Mittelteil weist bei dieser bekannten Ausbildung die An¬ schlußlasche für den Versteilantrieb auf. Bei dieser bekannten Ausbildung wurde vorgeschlagen, eine Isolierung dadurch zu er¬ zielen, daß die Muffengewinde als isolierende Buchse in den Mittelteil eingepaßt werden. Die isolierenden Buchsen werden hierbei auf Zug und Druck beansprucht und im Zuge von Erschütte¬ rungen besteht hier die Gefahr, daß sich die Buchsen insgesamt lockern, wodurch die zuvor eingestellte Justierung verloren geht. Die Kraftaufnahme über in Sackbohrungen eines Mittelteiles eingepreßten isolierende Buchse weist daher Begrenzungen auf. Eine analoge Ausbildung wurde in der DE-AS 1 279 711 ausgebil¬ det, wobei hier die Längsbohrungen in den Kupplungsmuffen mit größerem Innendurchmesser als der Außendurchmesser der Gewinde¬ buchsen ausgebildet ist und eine Verbundaußenschicht aus elek¬ trisch isolierendem Werkstoff zur Umfüllung der Gewindebuchsen vorgeschlagen wird. Die isolierenden Zwischenlagen werden bei dieser Ausbildung in axialer Richtung auf Scherung beansprucht, wodurch sich im Zuge von lange wahrenden Erschütterungen wiede¬ rum die Justierung um Lockerungen ergeben können.From DE-PS 1 116 712 for the transfer of the changeover force to a pair of tongues of a switch slide rods for a clamp closure have become known, which are designed to be insulating. From the known design, adjustability is achieved by providing a middle part in the manner of a turnbuckle with counter-rotating socket threads, in which track or slide rods are screwed in on both sides. In this known design, the middle part has the connecting strap for the adjusting drive. In this known design, it was proposed to achieve insulation by fitting the socket threads as an insulating bushing in the middle part. The insulating bushes are subjected to tensile and compressive stresses and in the course of vibrations there is a risk that the bushings will loosen overall, as a result of which the previously set adjustment is lost. The force absorption via insulated bush pressed into blind bores of a central part therefore has limitations. An analogous design was developed in DE-AS 1 279 711, the longitudinal bores in the coupling sleeves being formed with a larger inside diameter than the outside diameter of the threaded bushings and a composite outer layer made of electrically insulating material for filling the threaded bushings being proposed . In this configuration, the insulating intermediate layers are subjected to shear stress in the axial direction, which in turn can result in the adjustment for loosening in the course of long-lasting vibrations.
um eine derartige ungünstige Krafteinleitung auf Kunststoffzwi¬ schenlagen zu vermeiden, wurde in der DE-OS 2 239 493 bereits vorgeschlagen die Ausbildung so zu treffen, daß isolierende Zwi¬ schenlagen weitestgehend auf Druck beansprucht werden. Zu diesem Zweck weist das die Anschlußlasche für den VerStellantrieb auf¬ weisende Zwischenstück zwei entgegengesetzt gerichtete nach außen sich konisch verjüngende Ausnehmungen auf, in welche ein Schraubbolzen mit entsprechendem konischen Kopf eingelegt werden kann. Die Außenkante des Schraubkopfes ist mit isolierendem Ma¬ terial umkleidet und durch Anschrauben der Schieberstangenteile unter Zwischenschaltung einer isolierenden Zwischenschicht, wird der Kopf des Verbindungsschraubbolzens in die konische Ausneh- mung des Zwischenstückes hineingezogen. Wahrend hier die Zwi¬ schenlagen an den Stirnseiten zwischen dem Teilstück der Schie¬ berstange und dem Mittelstück ausschließlich auf Druck und daher wesentlich günstiger beansprucht werden, verbleibt im Bereich des Kopfes der Verbindungsbolzen wiederum eine Scherebeanspruc- hung, welche in der Folge zu NachJustierungen Anlaß geben kann. Darüberhinaus ist bei einer derartigen Ausbildung der Zusammen¬ bau aufwendig und die Passung bzw. Ausbildung der Konizitaten im Bereich des Kopfes des Verbindungsbolzens problematisch. Wenn hier, wie in der DE-OS 2 239 493 vorgeschlagen, eine Verdrehsi- cherung mittels eines Paßstiftes, welcher einen Teil des Verbin¬ dungsbolzens und ein Teilstück der Schieberstange, welches mit dem Verbindungsbolzen verschraubt wird, durchsetzt, Verwendung findet, beschränkt sich diese Verdrehsicherung auf eine Verdreh¬ sicherung gegenüber dem lediglich reibschlüssig gehaltenen Ver- bindungsbolzen, welcher selbst unter Überwindung der Reibkraft in der konischen Ausnehmung des Zwischenstückes verdrehbar ist. Bei einem Lockern des Kraftschlußes bzw. Reibschlußes zwischen dem Verbindungsbolzen und dem Mittelteil besteht insgesamt rela¬ tiv zum Mittelteil keine Verdrehsicherung.In order to avoid such an unfavorable introduction of force onto plastic intermediate layers, DE-OS 2 239 493 has already been published proposed to make the training so that insulating interlayers are largely subjected to pressure. For this purpose, the connecting piece for the adjusting drive has two oppositely directed, conically tapering recesses into which a screw bolt with a corresponding conical head can be inserted. The outer edge of the screw head is covered with insulating material and by screwing on the slide rod parts with the interposition of an insulating intermediate layer, the head of the connecting screw bolt is drawn into the conical recess of the intermediate piece. While the intermediate layers on the end faces between the section of the slide rod and the middle section are only subjected to pressure and therefore much more favorably, there remains a shear stress in the area of the head of the connecting bolts, which subsequently gives rise to readjustments can. In addition, with such a configuration, the assembly is complex and the fit or formation of the conicity in the area of the head of the connecting bolt is problematic. If, as proposed in DE-OS 2 239 493, an anti-rotation device is used by means of a dowel pin which penetrates a part of the connecting bolt and a part of the slide rod which is screwed to the connecting bolt, this is limited Anti-twist device on an anti-twist device relative to the connecting bolt, which is only held in a frictionally engaged manner and which can be twisted even in the conical recess of the intermediate piece while overcoming the frictional force. If the non-positive or frictional connection between the connecting bolt and the central part is loosened, there is no overall security against rotation relative to the central part.
Die Erfindung zielt nun darauf ab, eine einfach herzustellende und leicht zusammenzubauende Ausbildung einer isolierten Schie¬ berstange zu schaffen, bei welchem nach Art eines Baukastens die Bauelemente sowohl für eine Ausführungsform der Schieberstange mit oder ohne Angriffsstück für eine Antriebsstange Verwendung finden können und gleichzeitig bei jeder Ausbildung eine Ver- drehsicherung der Schieberstangenteile relativ zum Mittelteil und der Teile des Mittelteiles untereinander gewährleistet ist. Gleichzeitig zielt die Erfindung darauf ab, die durch die Ver¬ spannung einzelnen Teile der Schieberstange gegeneinander und im Betrieb auftretenden Kräfte auf isolierende Zwischenlagen aus¬ schließlich als Druckkräfte zur Wirkung gelangen zu lassen, wo¬ durch die isolierenden Materialen einem geringeren Verschleiß ausgesetzt werden.The invention now aims to provide a simple to manufacture and easy to assemble insulated slide rod, in which, in the manner of a modular system, the components can be used both for an embodiment of the slide rod with or without an engagement piece for a drive rod, and at the same time for each Training a sales rotation of the slide rod parts relative to the central part and the parts of the central part with each other is ensured. At the same time, the invention aims to allow the forces of the individual parts of the slide rod against one another and during operation on insulating intermediate layers to act exclusively as compressive forces, as a result of which the insulating materials are exposed to less wear.
Zur Lösung dieser Aufgabe besteht die erfindungsge äße Ausbil¬ dung der justierbaren isolierenden Schieber- oder Spurstange im wesentlichen darin, daß die Buchsen an ihrem den freien Ende für das Einschrauben der Teilstücke abgewandten inneren Stirnflächen wenigstens einen außerhalb der Achse angeordneten Verdrehsiche- rungsbolzen oder Schraubbolzen aufweisen, und daß die Buchsen mittels wenigstens eines außermittigen Schraubbolzens oder eines weiteren Verbindungsbolzens miteinander, gegebenenfalls unter Zwischenschaltung eines Mittelstückes für den Angriff einer Be¬ tätigungsstange, unter Zwischenschaltung von isolierenden Einla¬ gen an den Stirnseiten, im Bereich des Verdrehsicherungsbolzen und/oder der Verbindungsbolzen verbunden sind. Dadurch, daß die Büchsen an ihrem freien Ende für das Einschrauben der Teilstücke abgewandten inneren Stirnfläche wenigstens einen außerhalb der Achse angeordneten Verdrehsicherungsbolzen oder einen Schraub¬ bolzen aufweisen, wird beim Zusammenbauen der Buchsen zu einem Mittelstück, welcher Zusammenbau unter Zwischenschaltung eines Angriffsstückes für eine Betätigungsstange oder durch unmittel¬ baren Zusammenbau zweier Buchsen erfolgen kann, eine Drehsiche¬ rung der Teile des Mittelstückes gegeneinander gewährleistet, wobei zwischen den Buchsen, gegebenenfalls unter Zwischenschal- tung eines Mittelstückes für den Angriff einer Betätigungsstange angeordnete isolierende Einlagen ausschließlich auf Druck bean¬ sprucht werden.To achieve this object, the design of the adjustable insulating slide or tie rod according to the invention essentially consists in that the bushings have at their inner end faces facing away from the free end for screwing in the sections at least one anti-rotation pin or screw pin arranged outside the axis , and that the bushings are connected to one another by means of at least one eccentric screw bolt or a further connecting bolt, optionally with the interposition of a center piece for the attack of an actuating rod, with the interposition of insulating inserts on the end faces, in the region of the anti-rotation bolt and / or the connecting bolt are. Because the bushes have at their free end for screwing in the inner end face facing away from the parts, at least one anti-rotation pin arranged outside the axis or a screw bolt, when assembling the bushings becomes a middle piece, which assembly with the interposition of an engagement piece for an actuating rod or direct assembly of two bushings can ensure that the parts of the middle piece are secured against rotation against one another, insulating inserts arranged between the bushings, optionally with the interposition of a middle piece for attacking an actuating rod, being stressed only under pressure.
Die Verbindung der die Gewinde tragenden Buchsen kann entweder über außermittige Schraubbolzen oder zusätzlich zu einem ein¬ fachen Verdrehsicherungsbolzen nach Art eines außermittigen Paß- Stiftes mit einem weiteren Verbindungsbolzen erfolgen, wobei die Isolation an den Stirnseiten im Bereich des Verdrehsicherungs- bolzens und/oder der Verbindungsbolzen vorgesehen sein muß. Eine besonders günstige Kraftaufnahme und ein besonders einfacher Zu¬ sammenbau ergibt sich, wenn, wie es einer bevorzugten Weiterbil- düng entspricht, der weitere Verbindungsbolzen von einem im we¬ sentlichen axialen Schraubbolzen gebildet ist. Bei einer derar¬ tigen Ausbildung können die Spurstangenteile sicher in die Ge¬ winde der Buchsen eingeschraubt werden, wobei die Ausbildung hierbei nach Art eines Spannschlosses gebildet sein kann, und jeweils gegenläufige Gewindesteigungen zu beiden Seiten zum Ein¬ satz gelangen. Wenn identische Ausbildungen für die Spurstangen¬ teile als Serienteile zum Einsatz gelangen sollen, muß eines der beiden Muttergewinden der Buchsen als Rechtsgewinde und das an¬ dere als Linksgewinde ausgebildet sein, wobei der isolierte Mittelteil in entsprechender Weise zusammengebaut werden kann. Alternativ zu der Ausbildung mit einem Paßstift und einem im we¬ sentlichen zentralen Verbindungsbolzen kann die Ausbildung so getroffen sein, daß die Buchsen jeweils einen dem Einsteckende abgewandten Flausch aufweisen, welcher von wenigstens einem Schraubbolzen unter Zwischenschaltung isolierender Einsätze durchsetzt wird, wobei gleichfalls ein besonders einfacher Zu¬ sammenbau wiederum gegebenenfalls unter Zwischenschaltung eines Mittelstückes für den Angriff einer Betätigungsstange möglich wird. Auch hier werden die Kräfte beim Zusammenbau und im Be- trieb im wesentlichen ausschließlich als Druckkräfte aufge¬ nommen, wodurch eine hohe Standzeit und Betriebssicherheit er¬ zielt wird.The connection of the bushings carrying the thread can either be via eccentric screw bolts or in addition to a simple anti-rotation bolt in the manner of an eccentric fitting. Pin with another connecting bolt, the insulation must be provided on the end faces in the area of the anti-rotation bolt and / or the connecting bolt. A particularly favorable force absorption and a particularly simple assembly result if, as is a preferred further development, the further connecting bolt is formed by an essentially axial screw bolt. With such a design, the tie rod parts can be securely screwed into the threads of the bushings, the design being formed here in the manner of a turnbuckle, and opposite thread pitches being used on both sides. If identical designs for the tie rod parts are to be used as series parts, one of the two female threads of the bushings must be designed as a right-hand thread and the other as a left-hand thread, the insulated middle part being able to be assembled in a corresponding manner. As an alternative to the design with a dowel pin and an essentially central connecting bolt, the design can be such that the bushings each have a fleece facing away from the insertion end, which is penetrated by at least one screw bolt with the interposition of insulating inserts, likewise a particularly simple one Assembling is again possible with the interposition of a center piece for the attack of an actuating rod. Here, too, the forces during assembly and operation are absorbed essentially exclusively as pressure forces, as a result of which a long service life and operational reliability are achieved.
Dadurch, daß im Bereich der Schraubgewinde der Buchsen keine weiteren isolierenden Bauteile erforderlich sind, kann in beson¬ ders einfacher Weise eine zusätzliche Verdrehsicherung vorge¬ sehen werden. Zu diesem Zweck ist mit Vorteil die Ausbildung so getroffen, daß die in die Buchsen einschraubbaren Teilstücke je¬ weils wenigstens eine axiale Nut oder eine radiale Bolzenbohrung für den Eingriff einer Verdrehsicherung aufweisen, wobei durch entsprechende Versetzung eine Mehrzahl von axialen Nuten bzw. radialen Bolzenbohrungen in Umfangsrichtung des Einsteckendes eine entsprechend exakte Justierung auch bei geringen Drehlagen¬ änderungen zur axialen Justierung ermöglicht wird.Because no further insulating components are required in the area of the screw thread of the bushings, an additional anti-rotation lock can be provided in a particularly simple manner. For this purpose, the design is advantageously made such that the sections which can be screwed into the bushings each have at least one axial groove or a radial bolt bore for the engagement of an anti-rotation device, a plurality of axial grooves or radial pin bores in the circumferential direction of the insertion end a correspondingly exact adjustment is made possible even with small changes in the rotational position for axial adjustment.
In besonders vorteilhafter Weise ist die Ausbildung so getrof¬ fen, daß die Verbindungsbolzen unter Zwischenschaltung von Druckverteilungsscheiben gegen die isolierenden Einsätze ver¬ schraubt sind, wodurch beim Zusammenbau keine besondere Sorgfalt aufgewandt werden muß und der Zusammenbau mit konventionellenIn a particularly advantageous manner, the design is such that the connecting bolts are screwed against the insulating inserts with the interposition of pressure distribution disks, as a result of which no special care has to be taken during assembly and assembly with conventional ones
Schlagschraubgeräten erfolgen kann.Impact screwdrivers can be done.
Die in die Gewinde des als Spannschloß ausgebildeten Mitteltei¬ les eingeschraubten Schieberstangenenden können gegebenenfalls in konventioneller Weise durch Mutter und Gegenmutter relativ zum Mittelteil drehlagengesichert werden, da an dieser Stelle keine weitere Isolation erforderlich ist. Dadurch, daß isolie¬ rende Werkstoffe in der Gewindebuchse selbst vermieden werden, wird nicht nur die einfache Verdrehsicherung durch in eine im wesentlich axial verlaufende Nut eintauchende Stellschrauben möglich, sondern auch eine Justierung ohne zusätzliche Überprü- f ng der Isolierung vor Ort möglich.The push rod ends screwed into the thread of the central part designed as a turnbuckle can optionally be secured in a conventional manner by means of a nut and lock nut relative to the central part, since no further insulation is required at this point. The fact that insulating materials in the threaded bushing itself are avoided not only makes it easy to secure them against rotation by means of adjusting screws immersed in an essentially axially extending groove, but also adjustment without additional checking of the insulation on site.
Die Erfindung wird nachfolgend anhand von in der Zeichnung sche¬ matisch dargestellten Ausführungsbeispielen näher erläutert.The invention is explained in more detail below with reference to exemplary embodiments schematically shown in the drawing.
in dieser zeigen Fig. 1 eine erste Ausbildung eines Mittelstük- kes mit eingeschraubten Schieberstangen ohne Zwischenschaltung eines Mittelstückes für den Angriff einer Betätigungsstange; Fig. 2 eine zweite Ausbildung eines derartigen Mittelstückes teilweise im Achsschnitt; Fig. 3 eine Ausbildung mit Buchsen entsprechend der Fig. 2 unter Zwischenschaltung des Zwischen¬ stückes für den Angriff einer Betätigungsstange und Fig. 4 eine vergrößerte Darstellung der Mittelstücke entsprechend der Fig. 1 mit zwischengeschaltetem Mittelstück für den Angriff einer Betä¬ tigungsstange teilweise im Achsschnitt. In Fig. 1 sind zwei jeweils ein Innengewinde 1 tragende Buchsen 2 ersichtlich, welche an ihren einander zugewandten, den Ein¬ steckenden 3 abgewandten, Innenflächen bzw. Stirnseiten unter Zwischenschaltung isolierender auf Druck beanspruchter Zwischen¬ lagen 4 miteinander verschraubt sind. Eine Verdrehsicherung er¬ folgt hier durch Verwendung eines Paßstiftes 5, wobei die feste Verbindung der beiden Buchsen durch einen im wesentlichen axi¬ alen Verbindungsbolzen 6 erzielt wird. Der axiale Verbindungs¬ bolzen 6 kann selbst wieder gegen Verdrehung gesichert sein, wo¬ für eine radiale Bolzenbohrung 7 vorgesehen ist, in welche ein Verdrehsicherungsbolzen eingreift. Durch die Verdrehsicherung durch den Paßstift bzw. Verdrehsicherungsbolzen 5 ist trotz der Verdrehsicherung des Verbindungsbolzens 6 auch bei einem gegebe¬ nenfalls geringfügigem Schwund im Bereich der Isolationselemente eine sichere Drehlagenfixierung weitergegeben.1 shows a first embodiment of a middle piece with screwed-in pushrods without the interposition of a middle piece for the attack of an actuating rod; Fig. 2 shows a second embodiment of such a center piece, partly in axial section; 3 shows an embodiment with bushes corresponding to FIG. 2 with the interposition of the intermediate piece for the attack of an actuating rod, and FIG. 4 shows an enlarged representation of the central pieces corresponding to FIG. 1 with an intermediate middle piece for the attack of an actuating rod, partly in axial section . 1 shows two bushings 2, each carrying an internal thread 1, which are screwed together on their inner surfaces or end faces facing one another, facing away from the insertion 3, with the interposition of insulating intermediate layers 4 which are subjected to pressure. An anti-rotation lock is achieved here by using a dowel pin 5, the fixed connection of the two bushings being achieved by an essentially axial connecting bolt 6. The axial connecting bolt 6 can itself be secured against rotation, for which purpose a radial bolt bore 7 is provided, in which an anti-rotation bolt engages. Due to the anti-twist device by means of the dowel pin or anti-twist device bolt 5, in spite of the anti-twist device of the connecting bolt 6, a secure rotational position fixing is also passed on in the event of a slight shrinkage in the area of the insulation elements.
In die Einsteckenden 3 der Buchsen 2 sind jeweils Schieberstan¬ genteile 8 eingeschraubt, wobei die beiden miteinander verbunde¬ nen Buchsen nach Art eines Spannschlosses ausgebildet sind, wo¬ durch durch Verdrehen der beiden Buchsen die axiale Länge der Schieberstange justiert werden kann. Die eingesteckten Bolzen in der Schieberstangenteile 8 tragen radiale Nuten 9, in welche Verdrehsicherungsbolzen 10 eingreifen können, wodurch sich eine besonders stabile und betriebssichere Ausbildung ergibt.Slide rod parts 8 are screwed into the insertion ends 3 of the bushes 2, the two interconnected bushes being designed in the manner of a turnbuckle, whereby the axial length of the slide rod can be adjusted by turning the two bushings. The inserted bolts in the slide rod parts 8 carry radial grooves 9, in which anti-rotation bolts 10 can engage, which results in a particularly stable and reliable design.
Bei der Ausbildung nach Fig. 2 sind wiederum zwei Buchsen 2 un¬ mittelbar miteinander ohne Zwischenschaltung eines Zwischen¬ stückes für den Angriff einer Betätigungsstange miteinander ver¬ bunden. Die Buchsen 2, deren Innengewinde 1 wiederum schematisch angedeutet ist, weisen hier an ihren den Einsteckenden 3 abge- wandten Innenseiten jeweils einen Flansch 11 auf, welcher von Verbindungsbolzen 12 durchsetzt ist. Auch hier werden die Ver¬ bindungskräfte durch im wesentlichen nur auf Druck beanspruchte isolierende Zwischenlagen 4 zwischen den Stirnseiten der Buchsen 2 aufgenommen, wobei die Isolierung naturgemäß auch in Form von Hülsen 13 im Bereich der Verbindungsbolzen 12 vorgesehen sein muß. Diese Hülsen 13 weisen Ringflanschen 14 auf, wobei Druck- Verteilungsringe 15 zwischen dem Schraubkopf und den Ringflan¬ schen 14 zwischengeschaltet sind, um beim Zusammenbau eine Be¬ schädigung der Isolierung zu verhindern.In the embodiment according to FIG. 2, two bushes 2 are in turn directly connected to one another without the interposition of an intermediate piece for the engagement of an actuating rod. The bushings 2, the internal thread 1 of which is again indicated schematically, each have a flange 11 on their inner sides facing away from the insertion ends 3, which flange 11 is penetrated by connecting bolts 12. Here, too, the connecting forces are absorbed between the end faces of the bushes 2 by insulating intermediate layers 4, which are essentially only subjected to pressure, the insulation naturally also having to be provided in the form of sleeves 13 in the region of the connecting bolts 12. These sleeves 13 have ring flanges 14, with pressure Distribution rings 15 are interposed between the screw head and the ring flanges 14 in order to prevent damage to the insulation during assembly.
Insgesamt werden somit für den Zusammenbau derartiger Stangen jeweils nur identisch Spurstangenteile 8 sowie zwei gleichartige Buchsen 2 benötigt. Im Fall der Ausbildung der Buchsen mit einem Flansch 11 erfolgt die Drehsicherung bereits durch die Mehrzahl der außerhalb der Achse liegenden Verbindungsbolzen.Overall, only identical tie rod parts 8 and two identical bushings 2 are required for the assembly of such rods. In the case of designing the bushings with a flange 11, the rotation is already secured by the plurality of connecting bolts lying outside the axis.
Wenn nun zusätzlich ein Zwischenstück für den Angriff einer Be¬ tätigungsstange Verwendung finden soll, ist lediglich ein zu¬ sätzliches Zwischenstück ohne weitere Modifikation der Bauteile erforderlich. Bei Verwendung der Buchsen 2 mit einem Flansch 11 ist diese Ausbildung in Fig. 3 dargestellt. In diesem Fall hat das Zwischenstück 16, welches die Angriffsstelle 17 für die Be¬ tätigungsstange aufweist selbst wiederum zwei Flanschen 18, wel¬ che mit den Flanschen 11 unter Verwendung der Schraubbolzen 19 verschraubt sind. Insgesamt werden wiederum die gleichen Bau¬ teile wie bei der Ausbildung nach Fig. 2 eingesetzt, wobei wiederum Druckverteilungselemente 5 zwischen dem Kopf der Schraubbolzen 19 und den isolierenden Ringflanschen 14 der iso¬ lierenden Hülsen 13 eingeschaltet sind.If, in addition, an intermediate piece is now to be used to engage an actuating rod, only an additional intermediate piece is required without further modification of the components. When using the bushings 2 with a flange 11, this design is shown in Fig. 3. In this case, the intermediate piece 16, which has the point of engagement 17 for the actuating rod, in turn has two flanges 18, which are screwed to the flanges 11 using the screw bolts 19. Overall, the same components are used as in the embodiment according to FIG. 2, again pressure distribution elements 5 being switched on between the head of the screw bolts 19 and the insulating ring flanges 14 of the insulating sleeves 13.
Bei Verwendung von Buchsen, wie sie in Fig. 1 dargestellt sind unter Zwischenschaltung eines Angriffsstückes 20 für eine Be¬ tätigungsstange, kann eine Ausbildung verwendet werden, wie sie in Fig. 4 dargestellt ist. Hier werden wiederum die Buchsen 2 entsprechend Fig. 1 eingesetzt und neben einem exzentrischen Paßstift 5 zur Drehlagensicherung ist hier wiederum ein im we- sentlichen axialer Verbindungsbolzen 6 vorgesehen, welcher unter Zwischenschaltung einer isolierenden Buchse 21 und den isolie¬ renden Zwischenlagen 4 unmittelbar mit dem Zwischenstück 20 ver¬ schraubt ist. Das Zwischenstück 20 weist wiederum eine Angriffs¬ stelle 21 für den Angriff einer Betätigungsstange auf. Auch bei dieser Ausbildung werden somit identische Bauteile verwendet, wobei lediglich zusätzlich ein Angriffsstück für die Antriebs- Stange hinzukommt und im übrigen die gleichen Bauteile, wie bei der Ausbildung nach Fig. 1 zum Einsatz gelangen.When using bushings, as shown in FIG. 1 with the interposition of an engagement piece 20 for an actuating rod, an embodiment can be used as shown in FIG. 4. Here again, the bushes 2 are used, as shown in FIG. 1, and in addition to an eccentric dowel pin 5 for securing the rotational position, an essentially axial connecting bolt 6 is again provided here, which, with the interposition of an insulating bushing 21 and the insulating intermediate layers 4, directly with the intermediate piece 20 is screwed. The intermediate piece 20 in turn has an attack point 21 for the attack of an actuating rod. In this configuration, too, identical components are used, with only one additional piece for the drive Rod is added and the rest of the same components as used in the embodiment of FIG. 1.
Zur Verbesserung der Isolationseigenschaften können die isolie¬ renden Zwischenlagen 4, wie diese insbesondere in Fig. 4 deut¬ lich ersichtlich ist so ausgebildet sein, daß sie an der Außen¬ seite der Buchsen 2 bzw. des Zwischenstückes 20 übergreifend ringförmige Ansätze aufweisen, wodurch das Eindringen von Feuch¬ tigkeit in den Bereich der isolierenden Zwischenlagen erschwert wird. To improve the insulation properties, the insulating intermediate layers 4, as can be seen particularly clearly in FIG. 4, can be designed such that they have overlapping annular projections on the outside of the bushes 2 or the intermediate piece 20, as a result of which Penetration of moisture into the area of the insulating intermediate layers is made more difficult.

Claims

Patentansprüche: Claims:
1. Justierbare isolierende Schieber- oder Spurstange für Schie- nenweichen, bei welcher im mittleren Bereich zwei Buchsen (2) mit Innengewinde (1) vorgesehen sind, in welche Teilstücke der Schieberstangen eingeschraubt sind, dadurch gekennzeichnet, daß die Buchsen (2) an ihren dem freien Ende für das Einschrauben der Teilstücke abgewandten inneren Stirnflächen wenigstens einen außerhalb der Achse angeordneten Verdrehsicherungsbolzen (5) oder Schraubbolzen aufweisen, und daß die Buchsen (2) mittels wenigstens eines außermittigen Schraubbolzens (12) oder eines weiteren Verbindungsbolzen (6) miteinander, gegebenenfalls unter Zwischenschaltung eines Mittelstückes (16,20) für den Angriff einer Betätigungsstange, unter Zwischenschaltung von isolieren¬ den Einlagen (4) an den Stirnseiten, im Bereich des Verdrehsi¬ cherungsbolzen und/oder der Verbindungsbolzen verbunden sind.1. Adjustable insulating slide or tie rod for rail switches, in which two bushings (2) with internal thread (1) are provided in the central area, into which parts of the slide rods are screwed, characterized in that the bushes (2) on their the free end for screwing in the inner end faces have at least one anti-rotation bolt (5) or screw bolt arranged outside the axis, and that the bushings (2) by means of at least one eccentric screw bolt (12) or another connecting bolt (6) with one another, if necessary with the interposition of a middle piece (16, 20) for the engagement of an actuating rod, with the interposition of insulating inserts (4) on the end faces, in the area of the anti-rotation bolt and / or the connecting bolts.
2. Justierbare isolierende Schieber- oder Spurstange für Schie- nenweichen nach Anspruch 1, dadurch gekennzeichnet, daß der Ver¬ bindungsbolzen (6) von einem im wesentlichen axialen Schraubbol¬ zen gebildet ist.2. Adjustable insulating slide or tie rod for rail switches according to claim 1, characterized in that the Ver¬ connecting bolt (6) is formed by an essentially axial Bolt bolt.
3. Justierbare isolierende Schieber- oder Spurstange für Schie- nenweichen nach Anspruch 1 und 2, dadurch gekennzeichnet, daß die Buchsen (2) jeweils einen dem Einsteckende abgewandten Flansch (11,18) aufweisen, welcher von wenigstens einem Schraub¬ bolzen (12,19) unter Zwischenschaltung isolierender Einsätze (4) durchsetzt wird.3. Adjustable insulating slide or tie rod for rail switches according to claim 1 and 2, characterized in that the bushes (2) each have a flange facing away from the insertion end (11, 18), which by at least one screw bolt (12, 19) is interspersed with the interposition of insulating inserts (4).
4. Justierbare isolierende Schieber- oder Spurstange für Schie¬ nenweichen nach Anspruch 1, 2 und 3, dadurch gekennzeichnet, daß die in die Buchsen (2) einschraubbaren Teilstücke jeweils wenig¬ stens eine axiale Nut (9) oder eine radiale Bolzenbohrung für den Eingriff einer Verdrehsicherung aufweisen. 4. Adjustable insulating slide or tie rod for rail switches according to claim 1, 2 and 3, characterized in that the parts screwable into the bushings (2) each have at least one axial groove (9) or a radial pin bore for the engagement have an anti-rotation device.
5. Justierbare isolierende Schieber- oder Spurstange für Schie¬ nenweichen nach einem der Ansprüche 1 bis 4, dadurch gekenn¬ zeichnet, daß die Verbindungsbolzen (12) unter Zwischenschaltung von Druckverteilungsscheiben (15) gegen die isolierenden Ein¬ sätze (4) verschraubt sind.5. Adjustable insulating slide or tie rod for rail switches according to one of claims 1 to 4, characterized gekenn¬ characterized in that the connecting bolts (12) with the interposition of pressure distribution disks (15) against the insulating inserts (4) are screwed.
/.«/. «
2525
30 30
EP94914960A 1993-05-10 1994-05-06 Adjustable, insulating push or track rod for railway points Expired - Lifetime EP0649377B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT0091993A AT399485B (en) 1993-05-10 1993-05-10 ADJUSTABLE, INSULATING PUSH OR TRACK ROD FOR RAILS
AT919/93 1993-05-10
PCT/AT1994/000061 WO1994026572A1 (en) 1993-05-10 1994-05-06 Adjustable, insulating push or track rod for railway points

Publications (2)

Publication Number Publication Date
EP0649377A1 true EP0649377A1 (en) 1995-04-26
EP0649377B1 EP0649377B1 (en) 1996-12-18

Family

ID=3502845

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94914960A Expired - Lifetime EP0649377B1 (en) 1993-05-10 1994-05-06 Adjustable, insulating push or track rod for railway points

Country Status (11)

Country Link
EP (1) EP0649377B1 (en)
CN (1) CN1109679A (en)
AT (2) AT399485B (en)
AU (1) AU6639494A (en)
BG (1) BG99297A (en)
CA (1) CA2139879A1 (en)
DE (1) DE59401328D1 (en)
EE (1) EE9400028A (en)
HU (1) HUT72776A (en)
LT (1) LT3223B (en)
WO (1) WO1994026572A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000073119A1 (en) * 1999-06-01 2000-12-07 Horváth, József Driving gear for points
CN104340238A (en) * 2013-08-07 2015-02-11 张振坤 Two-way adjusting non-buckle shaft sleeve device capable of synchronously moving
CN105346590B (en) * 2014-08-22 2018-02-06 博世华域转向系统有限公司 A kind of turning machine three sections of adjustable branch sleeves and its application
CN108517784B (en) * 2018-06-02 2023-09-08 中国水利水电第七工程局有限公司 Anchor device of bridge girder erection machine for adapting to small curve girder erection

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1116712B (en) 1957-03-07 1961-11-09 Carl Dan Peddinghaus K G Slide rod consisting of two parts for the clamp lock on switches
DE1279711B (en) 1963-02-25 1968-10-10 Carl Dan Peddinghaus K G Slide rod consisting of two parts for the clamp lock on switches
DE2239493A1 (en) 1972-08-11 1974-02-28 Mylaeus Geb CONNECTING SLEEVE FOR THE PUSH RODS USED FOR SWITCH ADJUSTMENT OF TRACK SYSTEMS

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9426572A1 *

Also Published As

Publication number Publication date
AT399485B (en) 1995-05-26
AU6639494A (en) 1994-12-12
HU9500055D0 (en) 1995-03-28
CN1109679A (en) 1995-10-04
ATA91993A (en) 1994-10-15
WO1994026572A1 (en) 1994-11-24
ATE146419T1 (en) 1997-01-15
HUT72776A (en) 1996-05-28
EE9400028A (en) 1995-12-15
DE59401328D1 (en) 1997-01-30
EP0649377B1 (en) 1996-12-18
LTIP1926A (en) 1994-11-25
BG99297A (en) 1996-01-31
LT3223B (en) 1995-04-25
CA2139879A1 (en) 1994-11-24

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