EP0330238B1 - Fixation plate for rails such as a slide plate - Google Patents
Fixation plate for rails such as a slide plate Download PDFInfo
- Publication number
- EP0330238B1 EP0330238B1 EP89103411A EP89103411A EP0330238B1 EP 0330238 B1 EP0330238 B1 EP 0330238B1 EP 89103411 A EP89103411 A EP 89103411A EP 89103411 A EP89103411 A EP 89103411A EP 0330238 B1 EP0330238 B1 EP 0330238B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fastening plate
- rail fastening
- rail
- section
- chamfers
- 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
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B7/00—Switches; Crossings
- E01B7/02—Tongues; Associated constructions
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2202/00—Characteristics of moving parts of rail systems, e.g. switches, special frogs, tongues
- E01B2202/04—Nature of the support or bearing
- E01B2202/042—Sliding
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2202/00—Characteristics of moving parts of rail systems, e.g. switches, special frogs, tongues
- E01B2202/04—Nature of the support or bearing
- E01B2202/06—Use of friction-reducing surfaces
Definitions
- the invention relates to a rail mounting plate such as a sliding chair or a wheel control foot plate with a sliding rail section, such as a switch tongue section, which is provided in the region interacting with the rail mounting plate surface with a first and second chamfered sliding element, such as a sliding plate, from which the first bends along the side surfaces of the Foot of the rail section and the second folds extend along the longitudinal edges of the rail mounting plate, wherein the sliding element is at least partially associated with an insulating intermediate layer, which comprises a base section running along the rail mounting plate and wiping edges interacting with the surface of the rail mounting plate.
- a sliding chair is known from DE 87 00 566 U1, in which a sliding plate is present to reduce wear and friction between the sliding chair and the rail, such as tongue or vignole rail, which is supported on this. This is ensured in that bends extending in sections in the direction of the rail foot or sliding chair extend.
- the surface of the sliding chair on which the sliding plate is moved has a sliding insert with several sliding elements made of a self-lubricating material, which protrude above the surface of the sliding chair and which are fixed in a frame which is removably locked in a recess in the sliding chair.
- the lubricant can consist of a self-lubricating sliding metal such as graphite bronze.
- the lubricant ensures that regular lubrication of the sliding chair is not necessary.
- rust comes from the rails onto the surface of the sliding chair, which leads to an increase in the friction factor, so that a check or maintenance of the sliding chair is still required at relatively short intervals.
- a switch arrangement is known from US Pat. No. 4,131,255 according to the preamble of claim 1, in which an intermediate layer consisting of polyamide is arranged between the switch tongue and sliding chair.
- the intermediate layer can be poured into a sliding element serving as a frame.
- the object of the present invention is, inter alia, to design a rail mounting plate such as, in particular, a sliding chair of the type mentioned at the outset in such a way that existing sliding elements can be provided with an insulating intermediate layer without problems, on the one hand to prevent undesirable noise formation and on the other hand to close the rail mounting plate while the rail section is being moved clean.
- the intermediate layer should not be subject to increased wear. Furthermore, it should also be ensured that the friction factor is not reduced even after long use.
- the rail is to be held by the rail fastening plate without an additional spring element.
- the intermediate layer extends between the sliding element and the foot of the rail section and a detached from Sliding element is a U-shaped element of inherently stiff design and that starting from the base section, extending along the side surfaces of the foot of the rail section, form side walls, which have the stripping edges.
- the base section of the intermediate layer is concavely curved, at least in regions, with respect to the rail fastening plate.
- Noise reduction is consequently achieved by the teaching according to the invention in that the sliding element, such as in particular the sliding plate, does not come into direct contact with the rail foot.
- the insulating intermediate layer serving as a protective profile also has the advantage that the rail foot does not attack and destroy due to the different electrochemical potential between the sliding element and the rail foot.
- the concave base section results in the advantage that differing sliding elements can be accommodated by one and the same intermediate layer in terms of their dimensions with respect to the distance between the first bends. Furthermore, the concave design offers additional cushioning of the rail section on the rail mounting plate and thus noise reduction.
- the intermediate layer preferably has an essentially U-shaped cross section, the legs of which in turn have a U-shaped cross section for receiving the first bends of the sliding element, such as sliding plate.
- a corresponding design ensures that the intermediate layer between the rail foot and the sliding element is securely fixed.
- the object of the invention further provides that the first folds of the sliding element running along the foot extend at least over the entire width of the rail fastening plate and that the side edges of the Rail fastening plate-detecting second folds extend over at least the entire width of the foot.
- the area of the sliding chair on which the sliding plate slides is provided with a hard lubricant which has emergency running properties and which is flush or almost flush with the sliding chair surface.
- the property "hard” is intended to express that the material is harder than steel and that, in particular, the lubricant, in particular, is not affected by environmental influences.
- the areas that interact with one another, in particular sliding on one another, are preferably at least partially covered with the lubricant, for example partial lubrication of the lubricant on the rail fastening plate.
- the hard material which mainly has a brittle property
- the existing fastening plate in the manner of a "composite material”
- the elasticity of the base material that is to say the steel
- the disadvantages associated with the brittle are avoided.
- the surface of the sliding element facing the rail fastening plate, such as sliding plate can also be provided with a lubricant.
- the rail mounting plate forms the harder part of the pair of rail mounting plate-sliding element.
- the latter can be bent from a stainless steel sheet or, for example, by a coating that is protected against rust, at least that of Rail mounting plate facing surface is softer than the lubricant applied to the rail mounting plate.
- the lubricant preferably contains or consists of stainless austenitic cast iron, in particular with spheroidal graphite (GGG).
- GGG spheroidal graphite
- the lubricant can also consist of molybdenum. Also to be mentioned is the possibility that the lubricant is welded to the sliding chair or applied by plasma or flame spraying processes and contains molybdenum or ternary or quaternary alloys based on Co or Ni, optionally with additives such as Mo, Cr and / or Si.
- the rail mounting plate is releasably arranged on a base plate for a rail to be secured by the rail mounting plate, with the holding down of the Rail mounting plate interact from this section extending laterally of the base plate with second sections starting from the base plate and at least one clamping element is provided which introduces at least one force running perpendicular to the rail mounting plate into the rail mounting plate and which is characterized in that the second sections extend from the side surfaces go out of the base plate and are wedge-shaped and can be grasped by ramp-shaped areas of the first sections and that the vertical force from the eccentric clamping element can be introduced to the rail mounting plate via spring elements, which are preferably designed as disc springs.
- a wedge element is preferably interchangeably arranged between the latter and the base plate.
- the rail fastening plate can be arranged immovably on the base plate with structurally simple means, at the same time ensuring that the rails fixed by the rail fastening plate are not tilted regardless of the forces introduced into the displaceable rail section such as the switch tongue section. Separate spring elements acting on the rail foot are not required.
- the device for fastening rails shown in FIG. 1 serves to hold down stock rails as well as the inside of the running rail in the area of wheel handlebar stands, which run in the points and / or crossing area.
- a stock rail (10) is to be attached by means of a sliding chair (12).
- the sliding chair (12) is detachably arranged on a base plate (14), on which the stock rail may overlap supports an intermediate layer (16) made of shock-absorbing material.
- the rail foot (18) bears against a stop (20).
- the rail foot (18) is held down by means of a tensioning element (22) of conventional construction.
- the base plate (14) preferably also lies on a base such as a threshold (26) via a shock-absorbing intermediate layer (24).
- the base plate (14) is fixed via a fastening element (28) starting from the threshold (26).
- Disc springs not specified, ensure in particular, taking into account the intermediate layer (24) such as a rubber plate, that there is no uncontrolled loosening of the fastening element (28).
- a screw element (30) also extends from the threshold (26). Its shaft (32) passes eccentrically through a preferably hexagonal sleeve (34) which runs through openings (36) in the base plate (14) that are adapted to the geometry of the sleeve (34) in such a way that the base plate (14) with sliding chair (12 ) is axially displaceable depending on the position of the sleeve (34). This results in an attachment according to DE-GM 87 07 560. If the sleeve (34) is rotated around the shaft (32), the base plate (14) moves. So that the screw element (28) does not represent a disability, its shaft (38) penetrates a recess (40) that is larger than its diameter.
- the sliding chair (12) experiences a force introduction via a flange-like section (42) of the sleeve (34).
- the section (42) lies on a step (44) in the transition area between the recesses (46) and (48).
- the diameter of the recess (46) is selected to be slightly larger than the diameter of the section (42).
- spring elements such as disc springs (52) are arranged, which are surrounded by a cap-shaped, U-shaped element in section.
- the sliding chair (12) is held down by sections (58) and (60) extending laterally from the sliding chair (12), which with sections (66) and (wedge-shaped) starting from the side surfaces (62) and (64) of the base plate 68) interact.
- the section (58) between the surface (70) facing the underside of the sliding chair (12) and the underside (72) of the sliding chair provides a side view of a V-shaped free space in which the wedge-shaped sections (66) and (68) can be inserted are.
- a heating element (76) can be arranged between the end region (74) and the upper side (56) of the rail foot (18).
- a wedge element (86) with a square cross section is arranged in a recess (84) in the base plate (14), which comes to rest against a bevel (82) in the underside of the sliding chair and interacts with it in such a way that when the tensioning element (30) is tightened, the sliding chair (12) is pressed against the rail foot (18).
- the base plate (14) can have a ramp-shaped end section along which an incline of the sliding chair (12) can be displaced, which would result in the same effect as with the wedge element (86).
- a switch tongue section (80) is now displaceably arranged on the sliding chair (12).
- a sliding plate (94) is arranged between the bottom surface (88) of the foot (90) of the switch tongue section (80) and the surface (92) of the slide chair (12), through which the friction factor between the switch tongue section (80) and the slide chair (12 ) should be reduced.
- the sliding plate (94) In order to fix the sliding plate (94) to the required extent, it has first and second bends (96), (98) and (100), (102).
- the first folds (96) and (98) run along the side surfaces of the rail foot (90) and the second folds (100) and (102) along the side edges or surfaces (104) and (106) of the sliding chair (12).
- the length of the first and second folds (96), (98) and (100), (102) is selected so that the switch tongue section (80) is shielded from the sliding chair (12) to such an extent that the rail foot (90 ) liquid flowing along the longitudinal edges of the liquid cannot reach the surface (92) of the sliding chair (12), but is drained off along the inner surfaces of the first bends (96) and (98) away from the sliding chair (12).
- the first bends (96) and (98) therefore preferably extend laterally beyond the longitudinal edges (104) and (106) of the sliding chair (12).
- the second bevels (100) and (102) which grip the side edges (104), (106) can extend over at least the entire width of the foot (90).
- the bevels (100) and (102) - optionally also the bevels (96) and (98) - preferably have a trapezoidal shape, as shown in FIG. 1.
- the length of the first and second bends (96) and (98) or (100) and (102) is chosen so that the switch tongue section (80) is shielded from the sliding chair (12) to the extent that the the liquid flowing along the longitudinal edge of the rail foot (90) cannot reach the sliding chair surface (92), but along the inner surfaces of the folds (96) and (98) and then over the Outer surfaces of the folds (100) and (102) are derived from the sliding chair (12) to the outside.
- the folds (96) and (98) therefore preferably extend laterally beyond the longitudinal edges (104) and (106) of the sliding chair (12).
- the area of the sliding chair (12) on which the sliding plate (94) slides can be provided with a hard lubricant which has emergency running properties.
- the lubricant can preferably be GGG-NiCr 20, but can also be molybdenum applied in the plasma or flame spraying process.
- the thickness of the lubricant is preferably about 0.1 to 1 mm.
- the intermediate layer (108) made of plastic is an element which has a U-shaped geometry and serves as a protective profile, the side legs (110) of which emanate from a base section (118), the first folds (96) and (98) of the Take up the sliding plate (94).
- the side walls (110) have a correspondingly formed slot or groove (112).
- the outer wall area (114) is also provided in the area of its free lower edge with a wiping edge or wiping lip (116) which is tapered to a point and which runs laterally below the base section (118) when the intermediate layer is relaxed. The wiper lip (116) can then slide along the surface (92) of the sliding chair (12) to clean it.
- the intermediate layer not only has the task of cleaning the sliding chair with the scraper edge (116), but is also intended to dampen noise.
- the base section (118) running between the legs (110) at least in the central region the surface (92) of the sliding chair (12) is concavely curved.
- This area is provided with the reference symbol (120).
- the arched area (22) starts from flat edge sections (122) which directly adjoin the legs (110).
- the curved central area (120) provides additional damping.
- the distance between the legs (110) can be changed by the degree of curvature in order to be able to accommodate sliding plates in which the distance between the first bends varies.
- areas (248) and (250) of the bevels (96) and (98) can emanate from the areas that are facing away from the sliding chair (12). 252) and (254) of the rail foot (90).
- the clamping elements (248) and (250) can be of any design.
- a spring element can extend from the fold (92), but it does not necessarily have to be part of the fold (96).
- FIG. 6 to 9 show sectional views of the illustration in FIG. 1, without further explanation being required.
- the function of the mutually interacting sections (58), (60) and (66), (68), which start from the side surfaces of the sliding chair (12) or the base plate (14), in order to hold the former down, can be seen readily. It can also be seen from the sectional views in the area of line VI-VI that turning the sleeve (34) causes the base plate (14) with sliding chair (12) to be displaced with respect to the threshold (26).
- FIGS. 2 and 8 A comparison of the representations of FIGS. 2 and 8 shows that the end face (126) of the sliding chair (12) interacting with the side face (124) of the rail foot (18) is spherical, but a flattening has occurred in the contact area (128) , which is created by moving the sliding chair (12) in the direction of the rail (10). This also becomes a Secure setting of the sliding chair (12) and thus the rail (10) caused, which ultimately ensures that forces introduced into this do not cause tilting.
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Description
Die Erfindung bezieht sich auf eine Schienenbefestigungsplatte wie Gleitstuhl oder Radlenkerfußplatte mit auf diesem verschiebbarem Schienenabschnitt wie Weichenzungenabschnitt, der in dem mit der Schienenbefestigungsplattenoberfläche wechselwirkenden Bereich mit einem erste und zweite Abkantungen aufweisenden Gleitelement wie Gleitblech versehen ist, von dem sich die ersten Abkantungen entlang der Seitenflächen des Fußes des Schienenabschnitts und die zweiten Abkantungen entlang der Längsränder der Schienenbefestigungsplatte erstrecken, wobei dem Gleitelement zumindest bereichsweise eine isolierende Zwischenlage zugeordnet ist, die einen entlang der Schienenbefestigungsplatte verlaufenden Basisabschnitt sowie mit der Oberfläche der Schienenbefestigungsplatte wechselwirkende Abstreifränder umfaßt.The invention relates to a rail mounting plate such as a sliding chair or a wheel control foot plate with a sliding rail section, such as a switch tongue section, which is provided in the region interacting with the rail mounting plate surface with a first and second chamfered sliding element, such as a sliding plate, from which the first bends along the side surfaces of the Foot of the rail section and the second folds extend along the longitudinal edges of the rail mounting plate, wherein the sliding element is at least partially associated with an insulating intermediate layer, which comprises a base section running along the rail mounting plate and wiping edges interacting with the surface of the rail mounting plate.
Aus dein DE 87 00 566 U1 ist ein Gleitstuhl bekannt, bei dem zur Verringerung von Verschleiß und Reibung zwischen dem Gleitstuhl und der sich auf diesem abstützenden Schiene wie Zungen- oder Vignolschiene ein Gleitblech vorhanden ist. Dieses wird dadurch gesichert, daß sich abschnittsweise in Richtung des Schienenfußes bzw. des Gleitstuhls weisende Abkantungen erstrecken.A sliding chair is known from DE 87 00 566 U1, in which a sliding plate is present to reduce wear and friction between the sliding chair and the rail, such as tongue or vignole rail, which is supported on this. This is ensured in that bends extending in sections in the direction of the rail foot or sliding chair extend.
Die Fläche des Gleitstuhls, auf der das Gleitblech verschoben wird, besitzt eine Gleiteinlage mit mehreren Gleitelementen aus einem selbstschmierenden Werkstoff, welche die Oberfläche des Gleitstuhls überragen und die in einem Rahmen fixiert sind, der herausnehmbar in einer Ausnehmung des Gleitstuhls verriegelt ist. Das Gleitmittel kann aus einem selbstschmierenden Gleitmetall wie Graphitbronze bestehen.The surface of the sliding chair on which the sliding plate is moved has a sliding insert with several sliding elements made of a self-lubricating material, which protrude above the surface of the sliding chair and which are fixed in a frame which is removably locked in a recess in the sliding chair. The lubricant can consist of a self-lubricating sliding metal such as graphite bronze.
Durch das Gleitmittel ist zwar sichergestellt, daß eine regelmäßige Schmierung des Gleitstuhls nicht erforderlich ist. Jedoch hat sich gezeigt, daß von den Schienen Rost auf die Gleitstuhloberfläche gelangt, der zu einer Erhöhung des Reibfaktors führt, so daß weiterhin in relativ kurzen Abständen eine Überprüfung bzw. Wartung des Gleitstuhls erforderlich ist.The lubricant ensures that regular lubrication of the sliding chair is not necessary. However, it has been shown that rust comes from the rails onto the surface of the sliding chair, which leads to an increase in the friction factor, so that a check or maintenance of the sliding chair is still required at relatively short intervals.
Nachteilig entsprechender Gleitbleche ist ferner eine scheppernde Geräuschbildung beim Befahren bzw. Verschieben der Schienen.Another disadvantage of corresponding sliding plates is clattering noise when driving or moving the rails.
Aus der US-A 4,131,255 ist gemäß dem Oberbegriff des Anspruchs 1 eine Weichenanordnung bekannt, bei der zwischen Weichenzunge und Gleitstuhl eine aus Polyamid bestehende Zwischenlage angeordnet ist. Dabei kann die Zwischenlage in ein als Rahmen dienendes Gleitelement gegossen werden.A switch arrangement is known from US Pat. No. 4,131,255 according to the preamble of claim 1, in which an intermediate layer consisting of polyamide is arranged between the switch tongue and sliding chair. The intermediate layer can be poured into a sliding element serving as a frame.
Aufgabe der vorliegenden Erfindung ist es u.a., eine Schienenbefestigungsplatte wie insbesondere Gleitstuhl der eingangs genannten Art so auszubilden, daß bereits vorhandene Gleitelemente problemlos mit einer isolierenden Zwischenlage versehen werden können, um einerseits eine unerwünschte Geräuschbildung zu unterbinden und andererseits die Schienenbefestigungsplatte während des Verschiebens des Schienenabschnittes zu säubern. Dabei soll die Zwischenlage keinem erhöhtem Verschleiß unterliegen. Ferner soll auch sichergestellt werden, daß eine Reduzierung des Reibfaktors auch nach langem Gebrauch nicht erfolgt. Schließlich soll die Schiene ohne zusätzliches Federelement durch die Schienenbefestigungsplatte gehalten werden.The object of the present invention is, inter alia, to design a rail mounting plate such as, in particular, a sliding chair of the type mentioned at the outset in such a way that existing sliding elements can be provided with an insulating intermediate layer without problems, on the one hand to prevent undesirable noise formation and on the other hand to close the rail mounting plate while the rail section is being moved clean. The intermediate layer should not be subject to increased wear. Furthermore, it should also be ensured that the friction factor is not reduced even after long use. Finally, the rail is to be held by the rail fastening plate without an additional spring element.
Die Aufgabe wird erfindungsgemäß dadurch gelöst, daß sich die Zwischenlage zwischen dem Gleitelement und dem Fuß des Schienenabschnitts erstreckt und ein losgelöst vom Gleitelement eigensteif ausgebildetes U-förmiges Element ist und daß von dem Basisabschnitt sich entlang der Seitenflächen des Fußes des Schienenabschnitts sich erstreckende, Seitenwandungen bildende Schenkel ausgehen, die die Abstreifränder aufweisen. Insbesondere ist vorgesehen, daß der Basisabschnitt der Zwischenlage in bezug auf die Schienenbefestigungsplatte zumindest bereichsweise konkav gewölbt ist.The object is achieved in that the intermediate layer extends between the sliding element and the foot of the rail section and a detached from Sliding element is a U-shaped element of inherently stiff design and that starting from the base section, extending along the side surfaces of the foot of the rail section, form side walls, which have the stripping edges. In particular, it is provided that the base section of the intermediate layer is concavely curved, at least in regions, with respect to the rail fastening plate.
Durch die erfindungsgemäße Lehre wird folglich eine Geräuschdämpfung erzielt, indem das Gleitelement wie insbesondere Gleitblech nicht unmittelbar mit dem Schienenfuß in Berührung gelangt. Durch die als Schutzprofil dienende isolierende Zwischenlage wird des weiteren der Vorteil erzielt, daß ein Angreifen und Zerstören des Schienenfußes aufgrund des unterschiedlichen elektrochemischen Potentials zwischen Gleitelement und Schienenfuß unterbleibt.Noise reduction is consequently achieved by the teaching according to the invention in that the sliding element, such as in particular the sliding plate, does not come into direct contact with the rail foot. The insulating intermediate layer serving as a protective profile also has the advantage that the rail foot does not attack and destroy due to the different electrochemical potential between the sliding element and the rail foot.
Durch das Vorhandensein der Abstreifränder wie -lippen, die entlang der Oberfläche der Schienenbefestigungsplatte gleiten, wird eine Säuberung von Ablagerungen wie z.B. Rost, Schmutzpartikel, Flüssigkeit oder ähnliches bewirkt. Durch entsprechende Abstreifkanten oder -lippen erfolgt eine Selbstreinigung der Schienenbefestigungsplattenoberfläche beim Verschieben des Schienenabschnitts auf dieser.The presence of the scraper edges and lips that slide along the surface of the rail mounting plate will remove deposits such as e.g. Rust, dirt particles, liquid or the like causes. Appropriate wiping edges or lips enable the rail mounting plate surface to be self-cleaned when the rail section is displaced thereon.
Durch den konkav ausgebildeten Basisabschnitt ergibt sich u.a. der Vorteil, daß in ihren Abmessungen in bezug auf den Abstand der ersten Abkantungen differierende Gleitelemente von ein- und derselben Zwischenlage aufgenommen werden können. Ferner bietet die konkave Ausbildung eine zusätzliche Abfederung des Schienenabschnittes auf der Schienenbefestigungsplatte und damit Geräuschdämpfung.The concave base section results in the advantage that differing sliding elements can be accommodated by one and the same intermediate layer in terms of their dimensions with respect to the distance between the first bends. Furthermore, the concave design offers additional cushioning of the rail section on the rail mounting plate and thus noise reduction.
Vorzugsweise weist die Zwischenlage einen im wesentlichen U-förmigen Querschnitt auf, dessen Schenkel ihrerseits einen U-förmigen Querschnitt zur Aufnahme der ersten Abkantungen des Gleitelementes wie Gleitblech aufweisen. Durch eine entsprechende Ausgestaltung ist ein sicheres Festlegen der Zwischenlage zwischen dem Schienenfuß und dem Gleitelement gewährleistet.The intermediate layer preferably has an essentially U-shaped cross section, the legs of which in turn have a U-shaped cross section for receiving the first bends of the sliding element, such as sliding plate. A corresponding design ensures that the intermediate layer between the rail foot and the sliding element is securely fixed.
Um eine Schienenbefestigungsplatte wie Gleitstuhl oder Radlenkerfußplatte mit auf diesem verschiebbarem Schienenabschnitt wie Weichenzungenabschnitt, der in dem mit der Schienenbefestigungsplattenoberfläche wechselwirkenden Bereich mit einem erste und zweite Abkantungen aufweisenden Gleitelement wie Gleitblech versehen ist, von dem sich die ersten Abkantungen entlang der Seitenflächen des Fußes des Schienenabschnitts und die zweiten Abkantungen entlang der Längsränder der Schienenbefestigungsplatte erstrecken, gegen von dem Schienenabschnitt abfließende Flüssigkeit abzuschirmen, ist beim Gegenstand der Erfindung des weiteren vorgesehen, daß sich die entlang des Fußes verlaufenden ersten Abkantungen des Gleitelements zumindest über die gesamte Breite der Schienenbefestigungsplatte und die die Seitenränder der Schienenbefestigungsplatte erfassenden zweiten Abkantungen über zumindest die gesamte Breite des Fußes erstrecken.Around a rail mounting plate such as a sliding chair or a control arm base plate with a sliding rail section such as a switch tongue section, which is provided in the region interacting with the rail mounting plate surface with a first and second bent element, such as a sliding plate, from which the first bends along the side surfaces of the foot of the rail section and the second folds extend along the longitudinal edges of the rail fastening plate to shield against liquid flowing off the rail section, the object of the invention further provides that the first folds of the sliding element running along the foot extend at least over the entire width of the rail fastening plate and that the side edges of the Rail fastening plate-detecting second folds extend over at least the entire width of the foot.
Nach einem weiteren Vorschlag der Erfindung ist vorgesehen, daß der Bereich des Gleitstuhls, auf dem das Gleitblech gleitet, mit einem harten, Notlaufeigenschaften aufweisenden Gleitmittel versehen ist, das bündig oder nahezu bündig zur Gleitstuhloberfläche abschließt. Die Eigenschaft "hart" soll dabei zum Ausdruck bringen, daß das Material härter als Stahl ist und daß vorzugsweise das Gleitmittel insbesondere eine Beeinträchtigung durch Umwelteinflüsse nicht erfährt.According to a further proposal of the invention, it is provided that the area of the sliding chair on which the sliding plate slides is provided with a hard lubricant which has emergency running properties and which is flush or almost flush with the sliding chair surface. The property "hard" is intended to express that the material is harder than steel and that, in particular, the lubricant, in particular, is not affected by environmental influences.
Vorzugsweise werden die miteinander wechselwirkenden, insbesondere aufeinandergleitenden Bereiche zumindest bereichsweise mit dem Gleitmittel überzogen, wobei z.B. ein partielles Verschweißen des Gleitmittels auf der Schienenbefestigungsplatte erfolgt. Hierdurch bedingt wird dem überwiegend eine spröde Eigenschaft aufweisenden harten Werkstoff durch Verbindung mit der bestehenden Befestigungsplatte in Art eines "Verbundwerkstoffes" die Elastizität des Grundwerkstoffes, also des Stahls übertragen, so daß hiermit die mit der Spröde verbundenen Nachteile vermieden werden. Selbstverständlich kann auch die der Schienenbefestigungsplatte zugewandte Fläche des Gleitelementes wie Gleitblechs mit einem Gleitmittel versehen sein. Vorzugsweise bildet jedoch die Schienenbefestigungsplatte den härteren Teil der Paarung Schienenbefestigungsplatte-Gleitelement. Letzteres kann dabei aus einem rostfreien oder z.B. durch einen Überzug rostgeschützten Stahlblech gebogen sein, wobei zumindest die der Schienenbefestigungsplatte zugewandte Fläche weicher als das auf der Schienenbefestigungsplatte aufgebrachte Gleitmittel ist.The areas that interact with one another, in particular sliding on one another, are preferably at least partially covered with the lubricant, for example partial lubrication of the lubricant on the rail fastening plate. As a result, the hard material, which mainly has a brittle property, is transferred to the existing fastening plate in the manner of a "composite material", the elasticity of the base material, that is to say the steel, so that the disadvantages associated with the brittle are avoided. Of course, the surface of the sliding element facing the rail fastening plate, such as sliding plate, can also be provided with a lubricant. Preferably, however, the rail mounting plate forms the harder part of the pair of rail mounting plate-sliding element. The latter can be bent from a stainless steel sheet or, for example, by a coating that is protected against rust, at least that of Rail mounting plate facing surface is softer than the lubricant applied to the rail mounting plate.
Bevorzugterweise enthält das Gleitmittel nichtrostendes austenitisches Gußeisen insbesondere mit Kugelgraphit (GGG) bzw. besteht aus diesem. Auch kann das Gleitmittel aus Molybdän bestehen. Zu erwähnen ist auch die Möglichkeit, daß das Gleitmittel mit dem Gleitstuhl verschweißt oder durch Plasma- oder Flammspritzverfahren aufgebracht ist und Molybdän oder ternäre oder quaternäre Legierungen auf Co- oder Ni-Basis gegebenenfalls mit Zusätzen wie Mo, Cr und/oder Si beinhaltet.The lubricant preferably contains or consists of stainless austenitic cast iron, in particular with spheroidal graphite (GGG). The lubricant can also consist of molybdenum. Also to be mentioned is the possibility that the lubricant is welded to the sliding chair or applied by plasma or flame spraying processes and contains molybdenum or ternary or quaternary alloys based on Co or Ni, optionally with additives such as Mo, Cr and / or Si.
In weiterer Ausgestaltung wird vorgeschlagen, daß die Schienenbefestigungsplatte lösbar auf einer Unterlageplatte für eine von der Schienenbefestigungsplatte zu sichernde Schiene angeordnet ist, wobei zum Niederhalten der Schienenbefestigungsplatte sich von dieser seitlich der Unterlageplatte erstreckende Abschnitte mit von der Unterlageplatte ausgehenden zweiten Abschnitten wechselwirken und wobei zumindest ein Spannelement vorgesehen ist, das zumindest eine senkrecht zur Schienenbefestigungsplatte in die Schienenbefestigungsplatte verlaufende Kraft einleitet und die sich dadurch auszeichnet, daß die zweiten Abschnitte von den Seitenflächen der Unterlageplatte ausgehen und keilförmig ausgebildet sind und von rampenförmig wirkenden Bereichen der ersten Abschnitte unterfaßbar sind und daß die vertikale Kraft von dem als Exzenter ausgebildeten Spannelement auf die Schienenbefestigungsplatte über Federelemente einleitbar ist, die vorzugsweise als Tellerfedern ausgebildet sind.In a further embodiment, it is proposed that the rail mounting plate is releasably arranged on a base plate for a rail to be secured by the rail mounting plate, with the holding down of the Rail mounting plate interact from this section extending laterally of the base plate with second sections starting from the base plate and at least one clamping element is provided which introduces at least one force running perpendicular to the rail mounting plate into the rail mounting plate and which is characterized in that the second sections extend from the side surfaces go out of the base plate and are wedge-shaped and can be grasped by ramp-shaped areas of the first sections and that the vertical force from the eccentric clamping element can be introduced to the rail mounting plate via spring elements, which are preferably designed as disc springs.
Um ein Festklemmen gegen den Schienenfuß sicherzustellen und horizontales also senkrecht zur Schienenlängsachse verlaufendes Verschieben der Schienenbefestigungsplatte zu vermeiden, ist des weiteren vorgesehen, daß zwischen dieser und der Unterlageplatte ein Keilelement vorzugsweise austauschbar angeordnet ist.In order to ensure that the rail fastening plate is clamped against the rail foot and to avoid horizontal displacement of the rail fastening plate that is perpendicular to the longitudinal axis of the rail, it is further provided that a wedge element is preferably interchangeably arranged between the latter and the base plate.
Durch den erfindungsgemäßen Vorschlag kann mit konstruktiv einfachen Mitteln die Schienenbefestigungsplatte unverrückbar auf der Unterlageplatte angeordnet werden, wobei gleichzeitig sichergestellt ist, daß unabhängig von den in den verschiebbaren Schienenabschnitt wie Weichenzungenabschnitt eingeleiteten Kräften ein Kippen der von der Schienenbefestigungsplatte festgelegten Schienen unterbleibt. Gesonderte auf den Schienenfuß einwirkende Federelemente sind nicht erforderlich.Through the proposal according to the invention, the rail fastening plate can be arranged immovably on the base plate with structurally simple means, at the same time ensuring that the rails fixed by the rail fastening plate are not tilted regardless of the forces introduced into the displaceable rail section such as the switch tongue section. Separate spring elements acting on the rail foot are not required.
Weitere Einzelheiten, Vorteile und Merkmale der Erfindung ergeben sich nicht nur aus den Ansprüchen, den diesen zu entnehmenden Merkmalen -für sich und/oder in Kombination-, sondern auch aus der nachfolgenden Beschreibung von in der Zeichnung dargestellten bevorzugten Ausführungsbeispielen.Further details, advantages and features of the invention result not only from the claims, the features to be extracted from them - individually and / or in combination - but also from the following description of preferred exemplary embodiments illustrated in the drawing.
Es zeigen:
- Fig. 1
- eine Schnittdarstellung einer Seitenansicht einer Schienenbefestigung, teilweise im Schnitt,
- Fig. 2
- die Schienenbefestigung gemäß Fig. 1 in Draufsicht,
- Fig. 3
- einen Ausschnitt eines Gleitbleches in Vorderansicht.
- Fig. 4
- eine Schnittdarstellung entlang der Linie IV-IV in Fig. 3,
- Fig. 5
- ein Ausschnitt des Gleitbleches gemäß Fig. 3,
- Fig. 6
- eine Schnittdarstellung entlang der Linie VI-VI in Fig. 1,
- Fig. 7
- eine Schnittdarstellung entlang der Linie VII-VII in Fig. 1,
- Fig. 8
- eine Schnittdarstellung entlang der Linie VIII-VIII in Fig. 1,
- Fig. 9
- eine Schnittdarstellung entlang der Linie IX-IX in Fig. 1,
- Fig. 10
- eine weitere Schnittdarstellung durch einen Gleitstuhl mit Weichenzunge und
- Fig. 11
- eine im Vergleich zu Fig. 10 um 90° gedrehte Schnittdarstellung.
- Fig. 1
- a sectional view of a side view of a Rail fastening, partly in section,
- Fig. 2
- 1 in top view,
- Fig. 3
- a section of a sliding plate in front view.
- Fig. 4
- 3 shows a sectional illustration along the line IV-IV in FIG. 3,
- Fig. 5
- 3 shows a section of the sliding plate according to FIG. 3,
- Fig. 6
- 2 shows a sectional illustration along the line VI-VI in FIG. 1,
- Fig. 7
- 2 shows a sectional illustration along the line VII-VII in FIG. 1,
- Fig. 8
- 2 shows a sectional illustration along the line VIII-VIII in FIG. 1,
- Fig. 9
- 2 shows a sectional illustration along the line IX-IX in FIG. 1,
- Fig. 10
- another sectional view through a sliding chair with switch tongue and
- Fig. 11
- a sectional view rotated by 90 ° compared to FIG. 10.
Die in der Fig. 1 dargestellte Vorrichtung zum Befestigen von Schienen dient sowohl zum Niederhalten von Backenschienen als auch von Fahrschieneninnenseiten im Bereich von Radlenkerständern, die im Weichen- und/oder Kreuzungsbereich verlaufen. Zur Vereinfachung soll jedoch angenommen werden, daß eine Backenschiene (10) mittels eines Gleitstuhles (12) befestigt werden soll. Dabei ist der Gleitstuhl (12) lösbar auf einer Unterlageplatte (14) angeordnet, auf die sich die Backenschiene gegebenenfalls über eine Zwischenlage (16) aus stoßabsorbierendem Material abstützt. Auf der dem Gleitstuhl (12) gegenüberliegenden Seite liegt der Schienenfuß (18) an einem Anschlag (20) an. Ferner wird der Schienenfuß (18) mittels eines Spannelementes (22) üblicher Konstruktion niedergehalten. Die Unterlageplatte (14) liegt vorzugsweise ebenfalls über eine stoßabsorbierenden Zwischenlage (24) auf einem Untergrund wie Schwelle (26) auf. Über ein von der Schwelle (26) ausgehendes Befestigungselement (28) wird die Unterlageplatte (14) festgelegt. Dabei stellen nicht näher bezeichnete Tellerfedern insbesondere unter Berücksichtigung der Zwischenlage (24) wie Gummiplatte sicher, daß ein unkontrolliertes Lockern des Befestigungselementes (28) unterbleibt.The device for fastening rails shown in FIG. 1 serves to hold down stock rails as well as the inside of the running rail in the area of wheel handlebar stands, which run in the points and / or crossing area. For simplification, however, it should be assumed that a stock rail (10) is to be attached by means of a sliding chair (12). The sliding chair (12) is detachably arranged on a base plate (14), on which the stock rail may overlap supports an intermediate layer (16) made of shock-absorbing material. On the side opposite the sliding chair (12), the rail foot (18) bears against a stop (20). Furthermore, the rail foot (18) is held down by means of a tensioning element (22) of conventional construction. The base plate (14) preferably also lies on a base such as a threshold (26) via a shock-absorbing intermediate layer (24). The base plate (14) is fixed via a fastening element (28) starting from the threshold (26). Disc springs, not specified, ensure in particular, taking into account the intermediate layer (24) such as a rubber plate, that there is no uncontrolled loosening of the fastening element (28).
Auf der gegenüberliegenden Seite geht ebenfalls ein Schraubelement (30) von der Schwelle (26) aus. Dabei durchsetzt dessen Schaft (32) exzentrisch eine vorzugsweise sechskantige Hülse (34), die in einer der Geometrie der Hülse (34) derart angepaßten Durchbrechungen (36) in der Unterlageplatte (14) verläuft, daß die Unterlageplatte (14) mit Gleitstuhl (12) in Abhängigkeit von der Lage der Hülse (34) axial verschiebbar ist. Es ergibt sich folglich eine Befestigung entsprechend dem DE-GM 87 07 560. Wird folglich die Hülse (34) um den Schaft (32) gedreht, so verschiebt sich die Unterlageplatte (14). Damit das Schraubelement (28) eine Behinderung nicht darstellt, durchsetzt dessen Schaft (38) eine im Vergleich zu dessen Durchmesser größere Aussparung (40).On the opposite side, a screw element (30) also extends from the threshold (26). Its shaft (32) passes eccentrically through a preferably hexagonal sleeve (34) which runs through openings (36) in the base plate (14) that are adapted to the geometry of the sleeve (34) in such a way that the base plate (14) with sliding chair (12 ) is axially displaceable depending on the position of the sleeve (34). This results in an attachment according to DE-GM 87 07 560. If the sleeve (34) is rotated around the shaft (32), the base plate (14) moves. So that the screw element (28) does not represent a disability, its shaft (38) penetrates a recess (40) that is larger than its diameter.
Der Gleitstuhl (12) erfährt über einen flanschartig ausgebildeten Abschnitt (42) der Hülse (34) eine Krafteinleitung. Der Abschnitt (42) liegt auf einer Stufe (44) im Übergangsbereich zwischen Aussparungen (46) und (48) auf. Dabei ist der Durchmesser der Aussparung (46) geringfügig größer als der Durchmesser des Abschnitts (42) gewählt. Zwischen dem Kopf (50) der Schraube (30) und der Hülse (34) sind Federelemente wie Tellerfedern (52) angeordnet, die von einem kappenförmigen, im Schnitt U-förmigen Element umgeben sind. Beim Anziehen der Schraube (30) werden folglich über die Federelemente (52) senkrecht zur Gleitstuhloberfläche verlaufende Kräfte in den Gleitstuhl (12) eingeleitet.The sliding chair (12) experiences a force introduction via a flange-like section (42) of the sleeve (34). The section (42) lies on a step (44) in the transition area between the recesses (46) and (48). The diameter of the recess (46) is selected to be slightly larger than the diameter of the section (42). Between the head (50) of the screw (30) and the sleeve (34), spring elements such as disc springs (52) are arranged, which are surrounded by a cap-shaped, U-shaped element in section. When the screw (30) is tightened, forces running perpendicular to the surface of the sliding chair are therefore introduced into the sliding chair (12) via the spring elements (52).
Hierdurch erfolgt ein Niederhalten des Gleitstuhls, der mit seinem vorderen Ende auf der Oberseite (56) des Schienenfußes (18) aufliegt. Die Tellerfedern (52) stellen dabei -wie beim Element (28)- sicher, daß eine fortwährende Vorspannung gegeben ist, durch die ein Lockern der Schraube (30) ausgeschlossen ist.This results in the sliding chair being held down, the front end of which rests on the upper side (56) of the rail foot (18). As with the element (28), the plate springs (52) ensure that there is a constant preload which prevents the screw (30) from loosening.
Zusätzlich wird der Gleitstuhl (12) durch seitlich von dem Gleitstuhl (12) ausgehende Abschnitte (58) und (60) niedergehalten, die mit von den Seitenflächen (62) und (64) der Unterlageplatte ausgehenden im Schnitt keilförmigen Abschnitten (66) und (68) wechselwirken. Hierzu stellt der Abschnitt (58) zwischen der der Unterseite des Gleitstuhls (12) zugewandten Fläche (70) und der Gleitstuhlunterseite (72) in Seitenansicht einen V-förmigen Freiraum zur Verfügung, in dem die keilförmigen Abschnitte (66) und (68) einbringbar sind. Dadurch, daß die Abschnitte (58) und (60) der Gleitstuhlplatte (12) die Abschnitte (66) und (68) der Unterlageplatte (14) zumindest bereichsweise unterfassen, wird der Gleitstuhl im erforderlichen Umfang niedergehalten, wodurch das Wechselwirken mit dem Schienenfuß (18) im Bereich dessen Oberseite (56) gewährleistet ist, so daß die Schiene (10) beim Befahren nicht wegkippen kann.In addition, the sliding chair (12) is held down by sections (58) and (60) extending laterally from the sliding chair (12), which with sections (66) and (wedge-shaped) starting from the side surfaces (62) and (64) of the base plate 68) interact. For this purpose, the section (58) between the surface (70) facing the underside of the sliding chair (12) and the underside (72) of the sliding chair provides a side view of a V-shaped free space in which the wedge-shaped sections (66) and (68) can be inserted are. Characterized in that the sections (58) and (60) of the sliding chair plate (12) underlap the sections (66) and (68) of the base plate (14) at least in regions, the sliding chair is held down to the required extent, so that the interaction with the rail foot ( 18) is ensured in the area of the upper side (56) thereof, so that the rail (10) cannot tip away when being driven over.
Zwischen dem Stirnbereich (74) und der Oberseite (56) des Schienenfußes (18) kann ein Heizelement (76) angeordnet sein.A heating element (76) can be arranged between the end region (74) and the upper side (56) of the rail foot (18).
Im rückwärtigen Bereich zwischen Gleitstuhl (12) und Unterlageplatte (14) ist ferner in einer Aussparung (84) in der Unterlageplatte (14) ein im Querschnitt viereckiges Keilement (86) angeordnet, das gegen eine Schräge (82) in der Gleitstuhlunterseite zum Anliegen kommt und mit dieser derart wechselwirkt, daß beim Anziehen des Spannelements (30) der Gleitstuhl (12) gegen den Schienenfuß (18) gedrückt wird. Selbstverständlich kann die Unterlageplatte (14) einen rampenförmigen Endabschnitt aufweisen, entlang dem eine Schräge des Gleitstuhls (12) verschiebbar ist, wodurch sich die gleiche Wirkung wie mit dem Keilelement (86) ergeben würde.In the rear area between the sliding chair (12) and the base plate (14), a wedge element (86) with a square cross section is arranged in a recess (84) in the base plate (14), which comes to rest against a bevel (82) in the underside of the sliding chair and interacts with it in such a way that when the tensioning element (30) is tightened, the sliding chair (12) is pressed against the rail foot (18). Of course, the base plate (14) can have a ramp-shaped end section along which an incline of the sliding chair (12) can be displaced, which would result in the same effect as with the wedge element (86).
Auf den Gleitstuhl (12) ist nun ein Weichenzungenabschnitt (80) verschiebbar angeordnet. Zwischen der Bodenfläche (88) des Fußes (90) des Weichenzungenabschnittes (80) und der Oberfläche (92) des Gleitstuhls (12) ist ein Gleitblech (94) angeordnet, durch das der Reibfaktor zwischen dem Weichenzungenabschnitt (80) und dem Gleitstuhl (12) reduziert werden soll. Um das Gleitblech (94) im erforderlichen Umfang festzulegen, weist dieses erste und zweite Abkantungen (96), (98) und (100), (102) auf. Die ersten Abkantungen (96) und (98) verlaufen entlang der Seitenflächen des Schienenfußes (90) und die zweiten Abkantungen (100) und (102) entlang der Seitenränder bzw. -flächen (104) und (106) des Gleitstuhls (12). Hierdurch ist sichergestellt, daß das Gleitblech beim Verschieben des Weichenzungenabschnittes (80) gesichert zwischen diesem und der Oberfläche (92) des Gleitstuhls (12) verbleibt. Die Länge der ersten und zweiten Abkantungen (96), (98) und (100), (102) ist so gewählt, daß der Weichenzungenabschnitt (80) in einem Umfang gegenüber dem Gleitstuhl (12) abgeschirmt ist, daß von dem Schienenfuß (90) entlang dessen Längsränder fließende Flüssigkeit nicht auf die Fläche (92) des Gleitstuhls (12) gelangen kann, sondern entlang der Innenflächen der ersten Abkantungen (96) und (98) nach außen vom Gleitstuhl (12) weg abgeleitet wird. Bevorzugterweise erstrecken sich daher die ersten Abkantungen (96) und (98) seitlich über die Längsränder (104) und (106) des Gleitstuhls (12) hinaus. Ferner können sich die die Seitenränder (104), (106) erfassenden zweiten Abkantungen (100) und (102) über zumindest die gesamte Breite des Fußes (90) erstrecken. Die Abkantungen (100) und (102) - gegebenenfalls auch die Abkantungen (96) und (98) - weisen dabei vorzugsweise Trapezform auf, wie die Fig. 1 verdeutlicht.A switch tongue section (80) is now displaceably arranged on the sliding chair (12). A sliding plate (94) is arranged between the bottom surface (88) of the foot (90) of the switch tongue section (80) and the surface (92) of the slide chair (12), through which the friction factor between the switch tongue section (80) and the slide chair (12 ) should be reduced. In order to fix the sliding plate (94) to the required extent, it has first and second bends (96), (98) and (100), (102). The first folds (96) and (98) run along the side surfaces of the rail foot (90) and the second folds (100) and (102) along the side edges or surfaces (104) and (106) of the sliding chair (12). This ensures that the sliding plate remains securely between the switch tongue section (80) and the surface (92) of the sliding chair (12) when it is moved. The length of the first and second folds (96), (98) and (100), (102) is selected so that the switch tongue section (80) is shielded from the sliding chair (12) to such an extent that the rail foot (90 ) liquid flowing along the longitudinal edges of the liquid cannot reach the surface (92) of the sliding chair (12), but is drained off along the inner surfaces of the first bends (96) and (98) away from the sliding chair (12). The first bends (96) and (98) therefore preferably extend laterally beyond the longitudinal edges (104) and (106) of the sliding chair (12). Furthermore, the second bevels (100) and (102) which grip the side edges (104), (106) can extend over at least the entire width of the foot (90). The bevels (100) and (102) - optionally also the bevels (96) and (98) - preferably have a trapezoidal shape, as shown in FIG. 1.
Mit anderen Worten ist die Länge der ersten und zweiten Abkantungen (96) und (98) bzw. (100) und (102) so gewählt, daß der Weichenzungenabschnitt (80) in einem Umfang gegenüber dem Gleitstuhl (12) abgeschirmt ist, daß vom dem Schienenfuß (90) entlang dessen Längsränder fließende Flüssigkeit nicht auf die Gleitstuhlfläche (92) gelangen kann, sondern entlang der Innenflächen der Abkantungen (96) und (98) und sodann über die Außenflächen der Abkantungen (100) und (102) nach außen vom Gleitstuhl (12) weg abgeleitet wird. Bevorzugterweise erstrecken sich daher die Abkantungen (96) und (98) seitlich über die Längsränder (104) und (106) des Gleitstuhls (12) hinaus.In other words, the length of the first and second bends (96) and (98) or (100) and (102) is chosen so that the switch tongue section (80) is shielded from the sliding chair (12) to the extent that the the liquid flowing along the longitudinal edge of the rail foot (90) cannot reach the sliding chair surface (92), but along the inner surfaces of the folds (96) and (98) and then over the Outer surfaces of the folds (100) and (102) are derived from the sliding chair (12) to the outside. The folds (96) and (98) therefore preferably extend laterally beyond the longitudinal edges (104) and (106) of the sliding chair (12).
Ferner kann der Bereich des Gleitstuhls (12), auf dem das Gleitblech (94) gleitet, mit einem harten, Notlaufeigenschaften aufweisenden Gleitmittel versehen sein. Bei dem Gleitmittel kann es sich vorzugsweise um GGG-NiCr 20 handeln, kann aber auch im Plasma- oder Flammspritzverfahren aufgebrachtes Molybdän sein. Die Stärke des Gleitmittels beläuft sich dabei vorzugsweise auf in etwa 0,1 bis 1 mm.Furthermore, the area of the sliding chair (12) on which the sliding plate (94) slides can be provided with a hard lubricant which has emergency running properties. The lubricant can preferably be GGG-
Zwischen der Unterseite (88) des Schienenfußes (90) und dem Gleitblech (94) befindet sich des weiteren eine isolierende und eigensteife Zwischenlage (108), die anhand der Fig. 3 bis 5 näher erläutert wird.Between the underside (88) of the rail foot (90) and the sliding plate (94) there is also an insulating and inherently rigid intermediate layer (108), which is explained in more detail with reference to FIGS. 3 to 5.
Bei der aus Kunststoff bestehenden Zwischenlage (108) handelt es sich um ein im Schnitt eine U-förmige Geometrie aufweisendes als Schutzprofil dienendes Element, dessen von einem Basisabschnitt (118) ausgehenden Seitenschenkel (110) die ersten Abkantungen (96) und (98) des Gleitblechs (94) aufnehmen. Hierzu weisen die Seitenwandungen (110) einen entsprechenden ausgebildeten Schlitz bzw. eine Nut (112) auf. Der Außenwandbereich (114) ist ferner im Bereich seines freien unteren Randes mit einer Abstreifkante oder Abstreiflippe (116), die spitz zulaufend ausgebildet ist, versehen, die bei entspannter Zwischenlage seitlich unterhalb des Basisabschnitts (118) verläuft. Die Abstreiflippe (116) kann dann auf der Oberfläche (92) des Gleitstuhls (12) entlanggleiten, um diesen zu säubern.The intermediate layer (108) made of plastic is an element which has a U-shaped geometry and serves as a protective profile, the side legs (110) of which emanate from a base section (118), the first folds (96) and (98) of the Take up the sliding plate (94). For this purpose, the side walls (110) have a correspondingly formed slot or groove (112). The outer wall area (114) is also provided in the area of its free lower edge with a wiping edge or wiping lip (116) which is tapered to a point and which runs laterally below the base section (118) when the intermediate layer is relaxed. The wiper lip (116) can then slide along the surface (92) of the sliding chair (12) to clean it.
Die Zwischenlage hat nicht nur die Aufgabe, mit der Abstreifkante (116) den Gleitstuhl zu säubern, sondern soll außerdem eine Geräuschdämpfung bewirken.The intermediate layer not only has the task of cleaning the sliding chair with the scraper edge (116), but is also intended to dampen noise.
Zu erwähnen ist noch, daß der zwischen den Schenkeln (110) verlaufende Basisabschnitt (118) zumindest im Mittenbereich zu der Oberfläche (92) des Gleitstuhls (12) hin konkav gewölbt ist. Dieser Bereich ist mit dem Bezugszeichen (120) versehen. Der gewölbte Bereich (22) geht dabei von ebenen Randabschnitten (122) aus, die sich unmittelbar an den Schenkeln (110) anschließen. Durch den gewölbten Mittenbereich (120) erfolgt eine zusätzliche Dämpfung. Ferner kann durch den Grad der Wölbung der Abstand zwischen den Schenkeln (110) verändert werden, um so Gleitbleche aufnehmen zu können, bei denen der Abstand zwischen den ersten Abkantungen variiert.It should also be mentioned that the base section (118) running between the legs (110) at least in the central region the surface (92) of the sliding chair (12) is concavely curved. This area is provided with the reference symbol (120). The arched area (22) starts from flat edge sections (122) which directly adjoin the legs (110). The curved central area (120) provides additional damping. Furthermore, the distance between the legs (110) can be changed by the degree of curvature in order to be able to accommodate sliding plates in which the distance between the first bends varies.
Um ein sicheres Befestigen des Gleitblechs (94) am Schienenfuß (90) zu gewährleisten, können von den Abkantungen (96) und (98) bereichsweise Spannelemente (248) und (250) ausgehen, die sich an dem Gleitstuhl (12) abgewandten Bereichen (252) und (254) des Schienenfußes (90) abstützen. Dabei können die Spannelemente (248) und (250) beliebig ausgebildet sein. So kann sich von der Abkantung (92) ein Federelement erstrecken, das jedoch nicht notwendigerweise Teil der Abkantung (96) sein muß. Diese und weitere Details ergeben sich unmittelbar aus den Fig. 10 und 11, in denen entsprechend der zuvor erfolgten Beschreibung gleiche Elemente mit gleichen Bezugszeichen versehen sind.In order to ensure that the sliding plate (94) is securely attached to the rail foot (90), areas (248) and (250) of the bevels (96) and (98) can emanate from the areas that are facing away from the sliding chair (12). 252) and (254) of the rail foot (90). The clamping elements (248) and (250) can be of any design. Thus, a spring element can extend from the fold (92), but it does not necessarily have to be part of the fold (96). These and further details result directly from FIGS. 10 and 11, in which, in accordance with the description given above, the same elements are provided with the same reference symbols.
Den Fig. 6 bis 9 sind Schnittdarstellungen der Darstellung der Fig. 1 zu entnehmen, ohne daß es weitergehender Erläuterung bedarf. Man erkennt ohne weiteres die Funktion der miteinander wechselwirkenden Abschnitte (58), (60) und (66), (68), die von den Seitenflächen des Gleitstuhls (12) bzw. der Unterlageplatte (14) ausgehen, um erstere niederzuhalten. Auch erkennt man durch die Schnittdarstellungen im Bereich der Linie VI-VI, daß ein Verdrehen der Hülse (34) ein Verschieben der Unterlageplatte (14) mit Gleitstuhl (12) in bezug auf die Schwelle (26) bewirkt.6 to 9 show sectional views of the illustration in FIG. 1, without further explanation being required. The function of the mutually interacting sections (58), (60) and (66), (68), which start from the side surfaces of the sliding chair (12) or the base plate (14), in order to hold the former down, can be seen readily. It can also be seen from the sectional views in the area of line VI-VI that turning the sleeve (34) causes the base plate (14) with sliding chair (12) to be displaced with respect to the threshold (26).
Ein Vergleich der Darstellungen der Fig. 2 und 8 zeigt, daß die mit der Seitenfläche (124) des Schienenfußes (18) wechselwirkende Stirnfläche (126) des Gleitstuhls (12) ballig ausgebildet ist, wobei jedoch im Berührungsbereich (128) eine Abflachung entstanden ist, die durch das Verschieben des Gleitstuhls (12) in Richtung der Schiene (10) entstanden ist. Auch hierdurch wird ein sicheres Festlegen des Gleitstuhls (12) und damit der Schiene (10) hervorgerufen, wodurch letztendlich gewährleistet ist, daß in diese eingeleitete Kräfte ein Verkippen nicht hervorrufen.A comparison of the representations of FIGS. 2 and 8 shows that the end face (126) of the sliding chair (12) interacting with the side face (124) of the rail foot (18) is spherical, but a flattening has occurred in the contact area (128) , which is created by moving the sliding chair (12) in the direction of the rail (10). This also becomes a Secure setting of the sliding chair (12) and thus the rail (10) caused, which ultimately ensures that forces introduced into this do not cause tilting.
Claims (19)
- Rail fastening plate in the form of a slide chair (12) or guard rail footplate, having a rail section in the form of a switch tongue section (80) which is displaceable thereon and, in the region interacting with the surface of the rail fastening plate, is provided with a sliding element (94) in the form of a slide plate having first and second chamfers, of which the first chamfers (96, 98) extend along the side surfaces of the foot (90) of the rail section and the second chamfers (100, 102) extend along the longitudinal edges (104, 106) of the rail fastening plate, there being associated with the slide element (94) at least in sections an insulating intermediate layer (108) comprising a bottom section (118), which extends along the rail fastening plate, as well as stripping edges (116) which interact with the surface of the rail fastening plate,
characterized in that
the intermediate layer (108) extends between the slide element (94) and the foot (90) of the rail section and is an inherently rigid U-shaped element dissociated from the slide element, and that limbs (110) extending along the side surfaces of the foot (90) of the rail section (80) and forming side walls emanate from the bottom section and have the stripping edges (116). - Rail fastening plate according to claim 1,
characterized in that
the bottom section (118) of the intermediate layer (108) at least in sections is vaulted in a concave manner in relation to the rail fastening plate (12). - Rail fastening plate according to claim 1 or 2,
characterized in that
the first chamfers (96, 98) of the slide element (94) in the form of a slide plate extend at least in sections inside the side walls (110) of the intermediate layer (108). - Rail fastening plate according to at least one of the preceding claims,
characterized in that
the side walls (110) of the intermediate layer (108) are divided by longitudinal recesses (112) such as slots, gaps or grooves, which accommodate the first chamfers (96, 98), into spaced-apart inner and outer side wall sections (114), the height of the outer side wall sections (114) which have the stripping edges or lips (116) extending laterally below the bottom section (118) when the intermediate layer (108) is relaxed. - Rail fastening plate according to claim 1,
characterized in that
the vaulted section (120) emanates from edge sections (122) of the bottom section (118) which extend substantially at right angles to the side walls (110). - Rail fastening plate according to claim 1,
characterized in that
the intermediate layer (108) extends laterally over the edges (104, 106) of the rail fastening plate (12) and preferably the second chamfers (100, 102) of the slide element (94) extend over the entire foot width of the rail section (80). - Rail fastening plate according to claim 1,
characterized in that
the intermediate layer (108) is composed of sections which are spaced apart from one another below the rail foot (90). - Rail fastening plate according to claim 1,
characterized in that
the intermediate layer (108) has a substantially U-shaped cross-section, whose limbs (110) in turn have a U-shaped cross-section for receiving the first chamfers (96, 98) of the slide element (94). - Rail fastening plate preferably according to claim 1,
characterized in that
the first chamfers (96, 98) of the slide element (94) which run along the foot (90) extend at least over the entire width of the rail fastening plate (12) and the second chamfers (100, 102) which grasp the side edges (104, 106) of the rail fastening plate extend over at least the entire width of the foot (90). - Rail fastening plate according to claim 9,
characterized in that
the first chamfers (96, 98) extend beyond the side edges (104, 106) of the rail fastening plate (12). - Rail fastening plate according to claim 9,
characterized in that
a tension element, which is supported against the foot (90), emanates from at least one of the first chamfers (96, 98) or is a part thereof. - Rail fastening plate according to claim 9,
characterized in that
the first chamfers (96, 98) at least in sections lie against the surface (252, 254) of the foot (90) remote from the rail fastening plate (12). - Rail fastening plate according to at least one of the preceding claims,
characterized in that
the slide element (94) is slidable along a region of the rail fastening plate (12) which is provided with a hard sliding means, which has emergency running properties and terminates flush or almost flush with the surface (92) of the rail fastening plate. - Rail fastening plate according to claim 13,
characterized in that
the sliding means contains or is made of rustproof austenitic cast iron, in particular nodular graphite iron (GGG), the thickness of the sliding means preferably being between 0.1 and 1 mm, preferably between 0.2 and 0.4 mm. - Rail fastening plate according to claim 14,
characterized in that
the sliding means is or is made of austenitic nodular graphite iron (GGG) having Ni and Cr fractions, with preferably the Ni fraction being 18.0 to 22.0% and the Cr fraction being 1.0 to 2.5% of the GGG sliding means (26). - Rail fastening plate (12) according to at least one of the preceding claims, wherein the rail fastening plate is disposed detachably on a base plate (14) for a rail (10) which is to be secured by the rail fastening plate, wherein, for holding down the rail fastening plate, first sections (58, 60) extending from said plate laterally of the base plate interact with second sections (66, 68) emanating from the base plate and wherein at least one tension element (30) is provided, which initiates at least one force extending at right angles to the rail fastening plate surface into the rail fastening plate,
characterized in that
the second sections (66, 68) emanate from the side surfaces (62, 64) of the base plate (14) and are of a wedge-shaped construction and may be grasped underneath by ramp-like acting regions (70) of the first sections (58, 60) and that the vertical force may be initiated by the tension element (30) onto the rail fastening plate (12) via spring elements (52). - Rail fastening plate according to claim 16,
characterized in that
the spring element (52) is formed by cup springs. - Rail fastening plate according to claim 16,
characterized in that
the tension element (30) comprises a sleeve (34), which is eccentrically penetrated by a screw element and by means of which the base plate (14) with the rail fastening plate (12) is displaceable relative to a base such as a sleeper (26). - Rail fastening plate according to claim 18,
characterized in that
disposed in the rear region of the rail fastening plate (12) between said plate and the base plate is a preferably square and exchangeable wedge element by means of which, when the tension element (30) is tightened, the rail fastening plate is displaceable relative to the base plate (14) in the direction of the rail (10).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT89103411T ATE94924T1 (en) | 1988-02-25 | 1989-02-27 | RAIL MOUNTING PLATE LIKE SLIDING CHAIR. |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19883805963 DE3805963A1 (en) | 1988-02-25 | 1988-02-25 | Slide chair |
DE3805963 | 1988-02-25 | ||
DE3834823 | 1988-10-13 | ||
DE19883834823 DE3834823A1 (en) | 1988-02-25 | 1988-10-13 | Rail-fastening plate such as slide chair |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0330238A2 EP0330238A2 (en) | 1989-08-30 |
EP0330238A3 EP0330238A3 (en) | 1990-06-27 |
EP0330238B1 true EP0330238B1 (en) | 1993-09-22 |
Family
ID=25865216
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89103411A Expired - Lifetime EP0330238B1 (en) | 1988-02-25 | 1989-02-27 | Fixation plate for rails such as a slide plate |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0330238B1 (en) |
DE (1) | DE58905652D1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19613996C2 (en) * | 1996-04-10 | 2002-06-27 | Butzbacher Weichenbau Gmbh | Support for an adjustable rail section |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2662450B1 (en) * | 1990-05-23 | 1992-09-11 | Cogifer | SWITCHING FOR ROUTES OF GUIDE. |
FR2672316B1 (en) * | 1991-02-05 | 1993-05-28 | Cogifer Cie Cle Installat Ferr | TRACK APPARATUS FOR RAIL VEHICLES ON TIRES WITH MEDIAN GUIDING ROLLER AND METHOD FOR MANUFACTURING SAME. |
DE10139198A1 (en) * | 2001-08-16 | 2003-04-03 | Vossloh Werke Gmbh | Mounting for direction change points, at the rails of a railway permanent way, has elastic supports for the rails on the crossties |
AT509055B1 (en) * | 2010-06-15 | 2011-06-15 | Vae Eisenbahnsysteme Gmbh | DEVICE FOR FIXING A JAW RAIL |
PT3235951T (en) * | 2016-04-22 | 2019-07-12 | Schwihag Ag | Device for fixing a rail for rail vehicles |
DE102016117636A1 (en) * | 2016-09-19 | 2018-03-22 | Wolfgang Feldmann | Sliding chair of a switch |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4131255A (en) * | 1976-02-09 | 1978-12-26 | Heinz Faigle | Rail switch arrangement |
DE2702645B1 (en) * | 1977-01-22 | 1977-11-24 | Wilfried Ensinger | Railway junction points plastics sliding layer - is mounted on carriage to be able to slide backwards and forwards using intervening plastics layer |
DE3406726A1 (en) * | 1984-02-24 | 1985-08-29 | Wilfried 7031 Nufringen Ensinger | Plastic slide plate for a rail switch |
-
1989
- 1989-02-27 EP EP89103411A patent/EP0330238B1/en not_active Expired - Lifetime
- 1989-02-27 DE DE89103411T patent/DE58905652D1/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19613996C2 (en) * | 1996-04-10 | 2002-06-27 | Butzbacher Weichenbau Gmbh | Support for an adjustable rail section |
Also Published As
Publication number | Publication date |
---|---|
DE58905652D1 (en) | 1993-10-28 |
EP0330238A2 (en) | 1989-08-30 |
EP0330238A3 (en) | 1990-06-27 |
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