EP0330238A2 - Plaque d'attache pour rails telle que coussinet de glissement - Google Patents

Plaque d'attache pour rails telle que coussinet de glissement Download PDF

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Publication number
EP0330238A2
EP0330238A2 EP89103411A EP89103411A EP0330238A2 EP 0330238 A2 EP0330238 A2 EP 0330238A2 EP 89103411 A EP89103411 A EP 89103411A EP 89103411 A EP89103411 A EP 89103411A EP 0330238 A2 EP0330238 A2 EP 0330238A2
Authority
EP
European Patent Office
Prior art keywords
rail
mounting plate
rail mounting
section
sliding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP89103411A
Other languages
German (de)
English (en)
Other versions
EP0330238A3 (en
EP0330238B1 (fr
Inventor
Alfred Kais
Sebastian Benenowski
Horst Gebhardt
Erich Dipl.-Ing. Nuding (Fh)
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.)
Butzbacher Weichenbau GmbH
Voestalpine Turnout Technology Germany GmbH
Original Assignee
Voestalpine BWG GmbH
Butzbacher Weichenbau GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19883805963 external-priority patent/DE3805963A1/de
Priority claimed from DE19883834823 external-priority patent/DE3834823A1/de
Application filed by Voestalpine BWG GmbH, Butzbacher Weichenbau GmbH filed Critical Voestalpine BWG GmbH
Priority to AT89103411T priority Critical patent/ATE94924T1/de
Publication of EP0330238A2 publication Critical patent/EP0330238A2/fr
Publication of EP0330238A3 publication Critical patent/EP0330238A3/de
Application granted granted Critical
Publication of EP0330238B1 publication Critical patent/EP0330238B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • 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
    • 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 Extend foot of the rail section and the second bends along the longitudinal edges of the rail mounting plate.
  • 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 Extend foot of the rail section and the second bends along the longitudinal edges of the rail mounting plate.
  • a sliding chair is known from DE-GM 87 00 566, in which a sliding plate is present to reduce wear and friction between the sliding chair and the rail, such as tongue or Vignol rail, which is supported on the sliding chair. 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 reaches the slide chair surface from the rails, which leads to an increase in the friction factor, so that a check or maintenance of the slide chair is still required at relatively short intervals.
  • 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, despite the presence of the sliding element, undesirable noise formation does not occur. It is also the task that the rail mounting plate is cleaned during the displacement of the rail section. 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.
  • an insulating and inherently rigid intermediate layer is arranged at least in regions between the sliding element and the foot.
  • the teaching according to the invention consequently achieves noise damping in which the sliding element, 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 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 outer sections of the Sidewalls can have a scraper edge or scraper lip that slide along the surface of the rail mounting plate so as to cause deposits such as rust, dirt particles, liquid or the like to be cleaned. Appropriate wiping edges or lips enable the rail mounting plate surface to be self-cleaned when the rail section is displaced thereon.
  • the base section running between the side walls that is to say the web of the intermediate layer, is concave in relation to the rail fastening plate. This 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.
  • 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
  • a sliding rail section such as a switch tongue section
  • 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 mounting plate, to shield against liquid flowing off the rail section
  • the first folds of the sliding element running along the foot extend at least over the entire width of the rail mounting 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 has a hard lubricant which has emergency running properties is provided, which is flush or almost flush with the surface of the sliding chair.
  • the property "hard” is intended to express that the material is harder than steel and that preferably the lubricant, in particular, is not adversely affected by environmental influences.
  • the interacting, in particular sliding, areas are at least partially covered with the lubricant, e.g. the lubricant is partially welded to the rail mounting 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 surface of the sliding element facing the rail fastening 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 made from a stainless or e.g. be bent by a coating of rust-proof steel sheet, at least the surface facing the rail fastening plate being softer than the lubricant applied to the rail fastening 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, whereby to hold down 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 mounting plate can be arranged immovably on the base plate with structurally simple means, at the same time ensuring that, regardless of the forces introduced into the displaceable rail section such as the switch tongue section, the rails fixed by the rail mounting plate are not tilted. 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 (16 ) 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 (32) 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 slope (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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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Seats For Vehicles (AREA)
EP89103411A 1988-02-25 1989-02-27 Plaque d'attache pour rails telle que coussinet de glissement Expired - Lifetime EP0330238B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89103411T ATE94924T1 (de) 1988-02-25 1989-02-27 Schienenbefestigungsplatte wie gleitstuhl.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3805963 1988-02-25
DE19883805963 DE3805963A1 (de) 1988-02-25 1988-02-25 Gleitstuhl
DE3834823 1988-10-13
DE19883834823 DE3834823A1 (de) 1988-02-25 1988-10-13 Schienenbefestigungsplatte wie gleitstuhl

Publications (3)

Publication Number Publication Date
EP0330238A2 true EP0330238A2 (fr) 1989-08-30
EP0330238A3 EP0330238A3 (en) 1990-06-27
EP0330238B1 EP0330238B1 (fr) 1993-09-22

Family

ID=25865216

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89103411A Expired - Lifetime EP0330238B1 (fr) 1988-02-25 1989-02-27 Plaque d'attache pour rails telle que coussinet de glissement

Country Status (2)

Country Link
EP (1) EP0330238B1 (fr)
DE (1) DE58905652D1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5207401A (en) * 1990-05-23 1993-05-04 Cogifer-Compagnie Generale D'installations Ferroviaires Switch for a grooved guide track
US5224672A (en) * 1991-02-05 1993-07-06 Cogifer - Compagnie Generale D'installations Ferroviaires Track apparatus for railroad vehicles having tired wheels and median guide roller
DE10139198A1 (de) * 2001-08-16 2003-04-03 Vossloh Werke Gmbh Befestigung einer in einen Schienenweg eingebauten Weiche auf einem Oberbau
EP2397606A3 (fr) * 2010-06-15 2014-09-03 voestalpine Weichensysteme GmbH Dispositif de fixation d'une contre-aiguille
EP3235951A1 (fr) * 2016-04-22 2017-10-25 Schwihag Ag Dispositif de fixation d'un rail pour véhicules sur rails
EP3296460A1 (fr) * 2016-09-19 2018-03-21 Wolfgang Feldmann Plaque de glissement d'un changement de voie

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19613996C2 (de) * 1996-04-10 2002-06-27 Butzbacher Weichenbau Gmbh Abstützung für einen verstellbaren Schienenabschnitt

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2702645B1 (de) * 1977-01-22 1977-11-24 Wilfried Ensinger Kunststoffgleitbelag fuer schienenweichen
US4131255A (en) * 1976-02-09 1978-12-26 Heinz Faigle Rail switch arrangement
DE3406726A1 (de) * 1984-02-24 1985-08-29 Wilfried 7031 Nufringen Ensinger Kunststoffgleitplatte fuer eine schienenweiche

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4131255A (en) * 1976-02-09 1978-12-26 Heinz Faigle Rail switch arrangement
DE2702645B1 (de) * 1977-01-22 1977-11-24 Wilfried Ensinger Kunststoffgleitbelag fuer schienenweichen
DE3406726A1 (de) * 1984-02-24 1985-08-29 Wilfried 7031 Nufringen Ensinger Kunststoffgleitplatte fuer eine schienenweiche

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5207401A (en) * 1990-05-23 1993-05-04 Cogifer-Compagnie Generale D'installations Ferroviaires Switch for a grooved guide track
US5224672A (en) * 1991-02-05 1993-07-06 Cogifer - Compagnie Generale D'installations Ferroviaires Track apparatus for railroad vehicles having tired wheels and median guide roller
DE10139198A1 (de) * 2001-08-16 2003-04-03 Vossloh Werke Gmbh Befestigung einer in einen Schienenweg eingebauten Weiche auf einem Oberbau
EP2397606A3 (fr) * 2010-06-15 2014-09-03 voestalpine Weichensysteme GmbH Dispositif de fixation d'une contre-aiguille
EP3235951A1 (fr) * 2016-04-22 2017-10-25 Schwihag Ag Dispositif de fixation d'un rail pour véhicules sur rails
EP3296460A1 (fr) * 2016-09-19 2018-03-21 Wolfgang Feldmann Plaque de glissement d'un changement de voie

Also Published As

Publication number Publication date
EP0330238A3 (en) 1990-06-27
DE58905652D1 (de) 1993-10-28
EP0330238B1 (fr) 1993-09-22

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