EP2236384B1 - Composant de fermeture pour dispositif de fermeture à languette, dispositif de fermeture à languette et aiguillage doté d'un dispositif de fermeture à languette - Google Patents

Composant de fermeture pour dispositif de fermeture à languette, dispositif de fermeture à languette et aiguillage doté d'un dispositif de fermeture à languette Download PDF

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Publication number
EP2236384B1
EP2236384B1 EP20100158208 EP10158208A EP2236384B1 EP 2236384 B1 EP2236384 B1 EP 2236384B1 EP 20100158208 EP20100158208 EP 20100158208 EP 10158208 A EP10158208 A EP 10158208A EP 2236384 B1 EP2236384 B1 EP 2236384B1
Authority
EP
European Patent Office
Prior art keywords
interlocking
closure
tongue
component
switch
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.)
Not-in-force
Application number
EP20100158208
Other languages
German (de)
English (en)
Other versions
EP2236384A3 (fr
EP2236384A2 (fr
Inventor
Frank Bornscheuer
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.)
CDP Bharat Forge GmbH
Original Assignee
CDP Bharat Forge 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 CDP Bharat Forge GmbH filed Critical CDP Bharat Forge GmbH
Publication of EP2236384A2 publication Critical patent/EP2236384A2/fr
Publication of EP2236384A3 publication Critical patent/EP2236384A3/fr
Application granted granted Critical
Publication of EP2236384B1 publication Critical patent/EP2236384B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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

Definitions

  • the invention relates to a closure component for a setting tongue closing device for switches, a positioning tongue closure device with such a closure component and a switch with such a locking device.
  • jacking closure devices for the control and fixation of switches, such as railway switches, is well known in the art.
  • Such positioning-locking devices serve, depending on the given directional choice, to use a positioning tab to a corresponding adjacent stock rail and hold there or move the positioning tab by a certain distance from the stock rail and hold in this remote position.
  • Conventional position-closure devices are used, for example, in US Pat EP-A-0 624 508 and the DE-A-40 14 249 described.
  • Post-closure devices typically include multiple closure components, such as, for example Closures, pusher bars, closure clips, tongue plungers, etc., which at least partially interact or cooperate with one another during operation of the closure device and move relative to one another.
  • closure components such as, for example Closures, pusher bars, closure clips, tongue plungers, etc.
  • the friction forces which occur at the respective contact surfaces of these closure components relative to one another or to other elements of the closure device or the diverter can make it considerably more difficult to set the diverter.
  • the DE-C-195 02 105 proposed to provide the sliding surfaces of a closure clip of a Steilzungen closure device with a coating of molybdenum.
  • molybdenum coatings can generally be formed only very thin, for example, too tight a setting of the closure device lead to wear of the coating, whereby the actuating forces are increased due to increased frictional resistance and thus relubrication of the closure clip is required.
  • the invention has for its object to provide a reliable and stable closure component for a positioning latches closure device for points that provides high wear resistance and good sliding properties to reduce the restoring forces. It is also an object of the present invention to provide a long-life and easy-maintenance lug closure device and a shunt with such a luer lock device.
  • the closure component for a turnout closing device for switches comprises the features of claim 1.
  • sliding properties sliding behavior, sliding friction
  • a coating material with better sliding properties in such a sliding movement has a lower friction than a material with poorer sliding properties, so that less force is required to carry out the movement. Since a different material is used for the closure component core than for the coating, the respective material properties can be adjusted independently of one another specifically to the requirements in the operation of the positioning tong closure device.
  • a material having high strength and material elasticity may be selected so as to reduce the vulnerability of the fastener component and to ensure a long life of the fastener device.
  • a material having better sliding properties is used, so that the frictional forces generated at the sliding contact surfaces of the closure component can be kept low, resulting in reduced wear of the component and low required actuating forces when using the closure device. Since the need for regular lubrication of the closure component thus eliminated, also the maintenance is considerably simplified.
  • the closure component may optionally be provided with the coating only at the portions where it is in sliding contact with at least one other element of the setting tongue closure device and / or the switch, or over its entire surface.
  • the coating material is needed, which may reduce the cost of the closure component, while in the latter case may simplify the manufacture of the component becomes. Since the use of the closure component only their sliding properties at the respective contact surfaces for the operation of the closure device of importance, both embodiments offer to the same extent the above-described advantageous effects of the invention.
  • the coating is applied to the closure component core by build-up welding, a reliable and stable connection of these two elements is ensured even under increased requirements, such as large forces acting on the elements.
  • build-up welding is a simple and reliable technique that requires virtually no dimensional or structural limitations of the coating and component core. For example, the thickness of the coating is freely selectable over a wide range.
  • build-up welding enables fast, uncomplicated and cost-effective production of the closure component.
  • the material of the job-welded coating is a plain bearing material, namely an aluminum bronze.
  • Sliding bearing materials have good sliding properties and can be easily and reliably applied to a closure component core by build-up welding. Since according to the invention, only the coating of the closure component consists of a plain bearing material, the component can also be produced inexpensively.
  • the closure component according to the invention may be, for example, a closure box or a closure piece or a slider rod or a slider rod part or a closure clip or a clip or a reed clip (tongue block).
  • These elements are usually in sliding contact with each other and / or with other elements of the Stellzonne-closure device and / or the switch and in the operation of the Stellzungen-closure device and thus exposed to high wear.
  • poor sliding properties of these elements ie high frictional forces on the contact surfaces with other parts, can lead to a considerable increase in the required actuating forces during operation of the closure device.
  • the above-described effects of the invention can thus be used particularly advantageously in these closure components.
  • the closure component according to the invention may be a component which fulfills the function of one or more of the above-mentioned elements.
  • the closure component core is made of a hard metal, preferably steel. This allows a particularly stable and robust construction of the closure component and thus ensures a long life of the positioning tab closure device.
  • a steel closure component core with a coating of aluminum bronze. These two materials can be reliably and simply joined together by build-up welding and offer a closure component with a high degree of stability and very good sliding properties.
  • closure component core may be a forging, such as a steel forgings.
  • forgings have higher strength and material elasticity over castings, whereby a reduction in the susceptibility or frequency of closure component can be achieved.
  • a turntable closing device for turnouts according to the invention comprises at least one closure component as described above and thus offers the above-described advantageous effects of the invention, such as a high wear resistance, a long life, low required restoring forces and a simple maintenance.
  • the positioning tab closure device comprises a plurality of closure components according to the invention, the various components may comprise identical or different coating materials of urd or core materials.
  • the choice of materials, in particular of the coating targeted to the respective element or the respective elements of the Stellzept-closure device and / or the switch, with which / which the corresponding closure component is in sliding contact, are tuned.
  • closure components which are in sliding contact with one another
  • they are each constructed in accordance with the invention and consequently have an application-welded coating with better sliding properties to one another at least at the contact surfaces. In this way, the frictional forces between the components are minimized, which results in a further reduction of the actuating forces and extension of the life of the locking latch device.
  • the locking device comprises a locking element for locking a positioning tongue and a slider rod, which cooperates with the closure element, wherein the closure element and / or the slide rod is a closure component according to the invention.
  • the closure element and the slide rod are constructed according to the invention.
  • the closure member may be, for example, a closure clip or the like.
  • the post-closure device may include a closure member (locking clip) for locking a positioning tab, a pusher rod cooperating with the closure member, and a fastener attached to a stock rail of the switches comprising, wherein the closure element and / or the slider rod and / or the closure piece is a closure component according to the invention.
  • a closure member locking clip
  • the closure element and / or the slider rod and / or the closure piece is a closure component according to the invention.
  • at least two, more preferably all three, of these closure components are constructed in accordance with the invention, whereby the further advantages set forth above can be achieved.
  • the locking tongue closure device comprises a closure element (locking clip) for locking a positioning tongue, a slider rod cooperating with the closure element, a closure piece attached to a stock rail of the switch and a tongue block connected to the positioning tongue and the closure element
  • Closure element and / or the slide rod and / or the closure piece and / or the tongue block is a closure component according to the invention.
  • at least two, particularly preferably at least three and better still all four of these closure components are constructed in accordance with the invention. In this way, the further advantages described in detail above can be achieved.
  • the slide rod is constructed as a closure component according to the invention and is slidably on a support with a flat support surface.
  • Such a construction of the locking tab lock device allows the slide bar to be displaced relative to the low friction support.
  • this configuration over embodiments of the closure device, which use rollers as a support for the slide bar, the advantage that the bearing surface between rod and support, since it is flat, is significantly increased. The support is thereby not in the closure of the locking tongues closure device in the Push rod support side pressed, as it may be the case with Rollenauflagern, which bear only a line contact on the slide rod.
  • the support surface of the support may consist of a plain bearing material, which leads to a further reduction of the friction between the slide rod and the bearing surface.
  • the order-welded coating of the slide rod may consist of the same plain bearing material as the bearing surface of the support.
  • a switch according to the invention comprises a locking tongue closure device according to the invention as described above and thus offers the above-described advantageous effects of the invention, such as a high wear resistance, a long life, low required restoring forces and easy maintenance.
  • the risk of an accident caused by a switch malfunction is also significantly reduced.
  • Fig. 7 the function of a switch according to the invention is shown.
  • Two jaw rails 10 are arranged at a defined distance from each other, the so-called track, to each other.
  • the setting tongues 12 are moved so that one of the two positioning tongues 12 is in contact with the associated stock rail 10, while the other positioning tab 12 is away from the associated other stock rail 10 by a suitable distance, the so-called tongue surcharge.
  • the switch on the left is closed, the switch on the right is open.
  • the simultaneous control of the two switch closures is done by two equal slide rod halves 14, which are connected via a e.g. insulated connecting strap 15 are connected together.
  • a drive linkage 17 which is by a servomotor (not shown) is moved.
  • the interconnected slide rod halves 14 are on guide rollers 20, whose axis is fixed in each case in the closure piece 22.
  • the guide rollers 20 are replaced by supports with a flat support surface on which the slide rod 14 with its lower surface practically frictionless rests, wherein the bearing surface of the bearing consists of a plain bearing material, such as aluminum bronze.
  • Fig. 1 shows a cross section through the Stellzonne-closure device according to the invention. As is clear from the position of the positioning tongue 12 to the adjacent stock rail 10, the closure device is in the locked, closed state.
  • the control of the switch follows via the slide rod 14, which can be performed in a hollow sleeper (not shown).
  • the slider rods 14 is guided between the forked ends of a forged tongue block 18 on the one hand and the forked ends of the locking clip 16.
  • the slider bar 14 rolls on a guide roller 20 which is pushed onto a pin 24, or slides alternatively via a bearing bearing surface made of a plain bearing material.
  • the bolt 24 is guided through holes and bushings inserted in a forged closure piece 22 and prevented by securing splint slipping out.
  • the vertical position of the guide roller 20 by means of an eccentric bush or an eccentric pin (not shown) can be adjusted.
  • the two slide rods 14 for both jaw rails 10 of a switch are interconnected by the intermediate piece 15 of electrically non-conductive material (see Fig. 7 ) and are moved by an electric drive for the switch blade pusher bars 14. Due to the line contact between the guide roller 20 and the pusher bar 14, the friction is negligible and therefore no plain bearing material coating or lubrication of the lower surface of the pusher bar 14 is required.
  • the shape of the pusher bar 14 is specifically tailored to the shape of the closure clip 16, as will be described in conjunction with the explanation of the operation.
  • the closure clip 16 is rotatably connected to the tongue block 18 by an eccentric pin 26.
  • the bolt 26 is guided in a rubber-metal bushing 28, as best of Fig. 6 is apparent.
  • Spring plugs secure the bolt from falling out axially.
  • the closure clip 16 is passed through an opening in the closure piece 22, as shown Fig. 3 becomes clear.
  • a downward fork of the locking clip 16 serves as a guide (driver) for the slide rod 14.
  • Der axial distance d between the closure clip 16 and the closure piece 22 is dimensioned sufficiently large, preferably by 30 mm in size to ensure a balance of the relative movement between the adjusting tongue 12 and the stock rail 10.
  • the closure piece 22 is, as in the FIGS. 1 and 4 is shown firmly screwed to the stock rail 10.
  • a Meichenschraube 32 are fixed to the U-shaped web in a corresponding to the position of the standard holes of Deutsche Bahn two bolts.
  • the bolts of the switch screw 32 are inserted through the existing holes in the jaw rails, the closure piece 22 attached to the threaded bolts and fastened the closure piece 22 with turnouts 34.
  • Turnout nuts have a defined wrench size, for which the suitable tool is available in the limited reminder set of the Meichenscher of Irish Bahn.
  • the rotational movement is prevented by a locking plate 36.
  • the locking plate 36 is secured by a locking bolt 38, the bore is located centrally between the two standard holes for the bolts.
  • the central bore for the bolt in the closure piece 22 is as shown Fig. 3 it can be seen formed as a slot to fix the symmetrical closure piece 22 on both sides of the stock rail 10 without having to use two different fasteners due to the non-symmetrical to the axis of the slide axis standard holes of Irish Bru.
  • Fig. 3 it can be seen formed as a slot to fix the symmetrical closure piece 22 on both sides of the stock rail 10 without having to use two different fasteners due to the non-symmetrical to the axis of the slide axis standard holes of Irish Bahn.
  • the closing clip 16 is rotatably connected to the tongue block 18.
  • At the positioning tongue 12 of the tongue block 18 is fixed by a screw connection.
  • the lock-clamp screw 40 has, as well as the turnout nuts 34, the key width adapted to the tool assortment of turnout locksmiths.
  • the clamp screw 40 passes through the tongue block 18 and the positioning tab 12 and is screwed into a through-internal thread of the tongue block 18. In the contact region of the tongue block 18 with the adjusting tongue 12, the clamping screw 40 is guided by an eccentric clamping bush 42 which is turned in a rotationally fixed manner into the setting tongue 12.
  • the distance between the positioning tongue 12 and the stock rail 10 can be adjusted.
  • the safety pin 48 which is inserted through a bore in the tongue block 18.
  • the locking pin 48 is secured against falling out by a split pin 50 and protrudes, as from the Fig. 1 and 4 is clear, far into the area of the staple screw 40, so that they can not come out of the hole without the locking pin 48 has been previously removed.
  • the slide rod 14 To operate the switch lock the slide rod 14 is moved axially.
  • the locking clip 16 has a shoulder 16a, which cooperates with the nose (the driver) 14a of the slide rod when opening the switch lock.
  • Fig. 1 the slide rod 14 is shown in a position as it exists after closing the switch closure.
  • An axial displacement of the slider rod 14 to the right brings the nose (the driver) 14 a and the shoulder 16 a in contact with each other and generates a torque which causes a rotation of the closure clip 16 counterclockwise.
  • the shoulder 16b of the locking clip 16 separates from the projection 22a of the locking piece 22 and the locking clip 16 falls under its weight into the recess of the slider rod 14 formed by the shoulder 14b or is pressed down by the nose (the catch) 14a, so that the Surface 16 d of the closure clip 16 comes to lie on the surface 18 a of the tongue block 18.
  • the locking of the closure piece 22 is released with the tongue block 18 and the soft closure can be opened.
  • the slide rod 14 is pulled in the axial direction to the left until the shoulder 14 b of the slide rod abuts against the shoulder 16 c of the closure clip 16 and causes the closure clip 16 to slide onto the slide rod 14.
  • the locking clip 16 is rotated clockwise about its pivot point (pin 26) and the shoulder 16b engages around the projection 22a.
  • the closure piece 22 is again firmly connected to the tongue block 18 and the positioning tongue 12 is fixed in contact with the stock rail 10.
  • the surfaces of the closure components that are in sliding contact with each other namely the shoulder 16a of the locking clip 16 and the nose 14a of the slider rod 14, the shoulder 16b of the locking clip 16 and the projection 22a of the locking piece 22, the shoulder 14b of the slider rod 14 and the heel 16c of the closure clip 16 and the surface 16d of the closure clip 16 and the surface 18a of the tongue clip 18 are provided with an overlay-welded coating of a plain bearing material illustrated in the figures as a blackened area.
  • a coating of aluminum bronze is, for example, custom-welded on the sliding contact portions of a component core formed as a steel forging.
  • the thickness of the coating is in the range of 1-5 mm.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Slide Switches (AREA)

Claims (12)

  1. Composant de fermeture (14, 16, 18, 22) pour un dispositif de fermeture à lame pour aiguillages,
    caractérisé en ce que
    au moins sur des parties où il est en contact glissant avec au moins un autre élément du dispositif de fermeture à lame et/ou de l'aiguillage, ledit composant de fermeture (14, 16, 18, 22) est pourvu d'un revêtement métallique soudé par rechargement sur un noyau du composant de fermeture (14, 16, 18, 22),
    un matériau du revêtement soudé par rechargement présentant des propriétés de glissement supérieures à celles d'un matériau du noyau du composant de fermeture, le matériau du revêtement soudé par rechargement étant un bronze d'aluminium et l'épaisseur du revêtement soudé par rechargement étant comprise entre 1 et 5 mm.
  2. Composant de fermeture (14, 16, 18, 22) selon la revendication 1, où ledit composant de fermeture est une boîte d'enclenchement, ou un obturateur (22), ou une tige de tiroir (14), ou une pièce de tige de tiroir, ou une pince de fermeture (16), ou une pince, ou une patte d'articulation (18).
  3. Composant de fermeture (14, 16, 18, 22) selon la revendication 1 ou 2, où le noyau du composant de fermeture est en acier.
  4. Composant de fermeture (14, 16, 18, 22) selon l'une des revendications précédentes, où le noyau du composant de fermeture est une pièce forgée.
  5. Dispositif de fermeture à lame pour aiguillages, comprenant au moins un composant de fermeture (14, 16, 18, 22) selon l'une des revendications précédentes.
  6. Dispositif de fermeture à lame selon la revendication 5, comprenant un élément de fermeture (16) pour la fixation d'une lame (12) et une tige de tiroir (14) coopérant avec l'élément de fermeture (16), ledit élément de fermeture (16) et/ou la tige de tiroir (14) étant des composants de fermeture selon l'une des revendications 1 à 4.
  7. Dispositif de fermeture à lame selon la revendication 5, comprenant un élément de fermeture (16) pour la fixation d'une lame (12), une tige de tiroir (14) coopérant avec l'élément de fermeture (16), et une boîte d'enclenchement (22) fixée contre une contre-aiguille (10) de l'aiguillage, l'élément de fermeture (16) et/ou la tige de tiroir (14) et/ou la boîte d'enclenchement (22) étant des composants de fermeture selon l'une des revendications 1 à 4.
  8. Dispositif de fermeture à lame selon la revendication 5, comprenant un élément de fermeture (16) pour la fixation d'une lame (12), une tige de tiroir (14) coopérant avec l'élément de fermeture (16), une boîte d'enclenchement (22) fixée contre une contre-aiguille (10) de l'aiguillage et une patte d'articulation (18) reliée à la lame (12) et à l'élément de fermeture (16), l'élément de fermeture (16) et/ou la tige de tiroir (14) et/ou la boîte d'enclenchement (22) et/ou la patte d'articulation (18) étant des composants de fermeture selon l'une des revendications 1 à 4.
  9. Dispositif de fermeture à lame selon l'une des revendications 6 à 8, où la tige de tiroir (14) est un composant de fermeture selon l'une des revendications 1 à 4 et repose de manière coulissante sur un appui avec une surface de contact plane.
  10. Dispositif de fermeture à lame selon la revendication 9, où die la surface de contact de l'appui est en matériau pour palier lisse.
  11. Dispositif de fermeture à lame selon la revendication 10, où le revêtement soudé par rechargement de la tige de tiroir (14) est constitué du même matériau pour palier lisse que la surface de contact de l'appui.
  12. Aiguillage, comportant un dispositif de fermeture à lame selon l'une des revendications 5 à 11.
EP20100158208 2009-03-30 2010-03-29 Composant de fermeture pour dispositif de fermeture à languette, dispositif de fermeture à languette et aiguillage doté d'un dispositif de fermeture à languette Not-in-force EP2236384B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200910001971 DE102009001971A1 (de) 2009-03-30 2009-03-30 Verschlusskomponente für Stellzungen-Verschlussvorrichtung, Stellzungen-Verschlussvorrichtung und Weiche mit Stellzungen-Verschlussvorrichtung

Publications (3)

Publication Number Publication Date
EP2236384A2 EP2236384A2 (fr) 2010-10-06
EP2236384A3 EP2236384A3 (fr) 2011-05-25
EP2236384B1 true EP2236384B1 (fr) 2013-08-14

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EP20100158208 Not-in-force EP2236384B1 (fr) 2009-03-30 2010-03-29 Composant de fermeture pour dispositif de fermeture à languette, dispositif de fermeture à languette et aiguillage doté d'un dispositif de fermeture à languette

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EP (1) EP2236384B1 (fr)
DE (1) DE102009001971A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2403480T3 (es) * 2009-04-22 2013-05-20 Schwihag Ag Dispositivo de cambio en agujas de ferrocarril
FR2974051B1 (fr) * 2011-04-12 2013-05-31 Vossloh Cogifer Dispositif de manoeuvre ferroviaire sans graissage
EP2657101A1 (fr) * 2012-04-25 2013-10-30 Siemens Schweiz AG Dispositif d'aiguillage doté de propriétés de glissement améliorées et/ou d'une résistance augmentée à l'usure
ITFI20120166A1 (it) * 2012-08-09 2014-02-10 Wegh Group S P A "un assieme di attacco per operare la manovra e il controllo degli aghi di un deviatoio"
DE202012103261U1 (de) * 2012-08-28 2013-12-04 Hanning & Kahl Gmbh & Co. Kg Zungenkloben
PL2703249T3 (pl) * 2012-09-03 2017-10-31 Siemens Schweiz Ag Zamknięcie zapadkowe z regulowanym łożyskiem zamknięcia
CN108016465B (zh) * 2016-11-03 2024-07-02 西门子信号有限公司 外锁闭装置

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Publication number Priority date Publication date Assignee Title
GB822792A (en) * 1957-02-12 1959-10-28 Air Reduction Magnetic oscillation of welding arc
GB823504A (en) * 1957-02-12 1959-11-11 Air Reduction Method of controlling cross-sectional contour of weld arc
DE4014249A1 (de) 1990-05-04 1991-11-07 Butzbacher Weichenbau Gmbh Vorrichtung zum verriegeln einer weichenzunge
CH684939A5 (de) 1993-05-10 1995-02-15 Siemens Integra Verkehrstechni Klinkenverschluss für Eisenbahnweichen.
DE19502105C5 (de) 1995-01-24 2004-12-30 Carl Dan. Peddinghaus Gmbh & Co Kg Verschlußvorrichtung für Weichenzungen

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EP2236384A3 (fr) 2011-05-25
DE102009001971A1 (de) 2010-10-07
EP2236384A2 (fr) 2010-10-06

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