EP0711234B1 - Vorrichtung zum verriegeln einer weichenzunge - Google Patents

Vorrichtung zum verriegeln einer weichenzunge Download PDF

Info

Publication number
EP0711234B1
EP0711234B1 EP94924264A EP94924264A EP0711234B1 EP 0711234 B1 EP0711234 B1 EP 0711234B1 EP 94924264 A EP94924264 A EP 94924264A EP 94924264 A EP94924264 A EP 94924264A EP 0711234 B1 EP0711234 B1 EP 0711234B1
Authority
EP
European Patent Office
Prior art keywords
switch tongue
locking
roller element
sliding
section
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP94924264A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0711234A1 (de
Inventor
Alfred Kais
Erich Nuding
Sebastian Benenowski
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 DE19934324883 external-priority patent/DE4324883A1/de
Application filed by Voestalpine BWG GmbH, Butzbacher Weichenbau GmbH filed Critical Voestalpine BWG GmbH
Publication of EP0711234A1 publication Critical patent/EP0711234A1/de
Application granted granted Critical
Publication of EP0711234B1 publication Critical patent/EP0711234B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/10—Locking mechanisms for points; Means for indicating the setting of points

Definitions

  • the invention relates to a device for locking a switch tongue with a stock rail comprising a locking piece starting from the stock rail and a indirectly or directly articulated to the switch tongue and penetrating the locking piece and a locking clip penetrating the locking clip and the locking clip for unlocking or locking the switch tongue, which is mounted on a support and which has a sliding element such as a rod, with the switch tongue being locked, the locking clip rests on a support surface which extends indirectly or directly from the locking piece.
  • a corresponding switch bracket can be found in EP 0 455 182 A2.
  • the resultant force running between the axis of rotation of the locking clip and the support surface intersects the transition area of the rail foot and web of the switch tongue. Furthermore, the vertical force component runs within or in the immediate vicinity of the rail base, so that the switch tongue cannot tilt in the locked position.
  • the locking clip In the locked position, the locking clip is clamped between a push rod and a support surface, so that considerable friction forces have to be overcome when unlocking, even if the locking clip should be supported by a roller element on the push rod.
  • EP 0 455 153 A2 proposes that the switch tongue be held down on the base only in the locked and open position, whereas a spacing from the base occurs between these positions.
  • this requires that the locking clip be on a stationary support is supported, along which a push rod is displaceable in such a way that rollers of the locking clip in the locked and open position are fixed in receptacles formed between the support and the push rod and are captured and carried during the displacement of sections of the push rod.
  • a roller element starts from a push rod, which runs in a V-shaped slotted slot in the locking clip that starts from the switch tongue. Due to the design, there is a certain stiffness when adjusting the push rod. A clear fixation of the roller element in the link slot is also not ensured.
  • the present invention is based on the object of developing a device of the type mentioned at the outset in such a way that the switch tongue can be locked or opened using structurally simple measures, with ease of movement resulting in a reduction in maintenance. It should also be ensured that the locked switch tongue cannot be unlocked even if the sliding element of the locking clip is no longer properly gripped or, if necessary, released from it. Finally, it must be possible to space the switch tongue in the unlocked position from the base of the sliding chair. Optimal storage should also be guaranteed.
  • the object is achieved essentially by the fact that at least one support element bearing on the support surface is elastically supported in such a way that soft support is provided for static loads and hard support for dynamic loads.
  • all of the support elements, such as roller element, starting from the closure clip are supported according to the invention.
  • the elements which are soft under static load and hard under dynamic load do not originate from the locking clip, but are supported on corresponding roller elements which e.g. can be arranged on the closure piece or a push rod.
  • the locking clip rests on a (first) roller element on the support surface designed as a curved segment, that offset in the direction of the switch tongue, a second roller element extends from the locking clip and from a section that runs in the sliding direction of the sliding element (horizontally) and one section this angled and facing away from the switch tongue section extending in the sliding element is received, the second roller element being in the horizontal section of the guide when the switch tongue is locked and in the unlocked position in the angled section thereof.
  • the curve segment in the end region facing your sliding element has a curvature deviating from the radius of the first roller element such that in the absence of a controlled vertical (vertical) force component in the sliding direction the locking clip that first role element remains in the curve segment.
  • the first roller element must overcome a dead center at the end of the curve segment so that the switch tongue can be unlocked.
  • the first roller element is elastically supported.
  • a guide path for the first roller element runs along the displacement path of the sliding element at least above the angled section of the guide in such a way that the second one Roller element remains in the angled section.
  • the clear distance between the guideway and the apex of the first roller element in the case of the second roller element present in the angled section is smaller than the effective length of the angled section for the second roller element.
  • the locking clip In order that the locking clip can be moved without tilting from the push rod, a further development of the invention provides that the locking clip comprises two angle levers running parallel to one another and supporting the first and second roller elements, between which the sliding element runs.
  • an inventive development of the invention is characterized in that the sliding element facing away from the stock rail has a projecting section or shoulder, with which, when the switch is unlocked, the locking clip is supported on the base-side support in the form of preferably a further (third) roller element, which results in a spacing between the switch tongue foot and the base like a sliding chair. Consequently, it is ensured with structurally simple measures that the switch tongue can be spaced apart from the base in the unlocked position.
  • section or shoulder projecting on the bottom should have a length such that the switch tongue rests on the base in the locked or open position, but is spaced from the base during the displacement path.
  • a locking piece (14) starts from the stock rail (10) in a known manner, which is penetrated on the one hand by a push rod (16) and on the other hand by a locking clip (18), preferably in the form of one of two parallel levers, between which the Push rod (16) runs.
  • the locking clip (18) is based on a clip receptacle (20) and is rotatably mounted in it about an axis (22).
  • the clamp receptacle (20) itself is preferably firmly connected in a known manner to the foot (24) of the switch tongue (12).
  • a support for a first roller element (28) designed as a curved segment (26) extends from the closure piece (14).
  • the roller element (28) itself is arranged at the free end of an angled leg (30) of the locking clip (18).
  • the locking clip or the angle lever (18) have approximately a U-shape with legs (30) and (32) of different lengths, of which the longer leg (32) rotatably extends from the bracket receptacle (20) and the shorter leg (30) mentioned the first roller element (28) carries.
  • a second roller element (36) is also elastically mounted, which extends within an angled guide (38) of the push rod (16).
  • the push rod (16) itself is supported on a third roller element (40) in the bottom region of the closure piece (14).
  • angled guide (38) consists of an essentially horizontal section (46) and a section (48) describing an obtuse angle, which extends in the direction of the underside (50) of the push rod (16) .
  • a shoulder (52) Protruding from the underside (50) of the push rod (16) is a shoulder (52), the length of which is less than the distance of the displacement path of the switch tongue (12) between the locked and open positions.
  • Fig. 1 the switch is shown with a locked switch tongue (12) resting against a stock rail (10).
  • the first roller element (28) starting from the angle lever (18) bears against the curve segment (26).
  • the connecting line between the support thus formed and the axis (22) of the angle lever (18) intersects the transition area between the web and the foot of the stock rail (10). This ensures that the switch tongue (12) bears securely against the stock rail (10).
  • the vertical force component passing through the axis (22) runs directly in the region of the foot (24) of the switch tongue (12), it is also ensured that the switch tongue (12) cannot tip over.
  • the second roller element (36) is also located in the horizontally extending section (46) of the guide (38).
  • the push rod (16) must be moved in the direction of the arrow (58).
  • the roller element (28) moves along the curve segment (26).
  • the second roller element (36) reaches the transition area between the horizontal section (46) of the guide (38) and the angled section (48).
  • the roller element (28) In order to carry out a complete unlocking (Fig. 3), however, the roller element (28), which is elastically mounted, must overcome a so-called dead center, which is generated by the curve segment (26) in that the end region (16) facing the push rod (16) 60) is not adapted to the radius of the roller element (28). Rather, the distance in the end region (60) and the axis of rotation (22) is greater than the distance between the axis of rotation (22) and the axis of rotation (62) of the roller element (28) minus its radius.
  • the dead center is overcome, however, by forcing the second roller element (38) along the angled section (48), that is to say its inclined wall in the direction of the floor, when the push rod (16) is moved further in the direction of the arrow (58) (64) of section (48).
  • a vertical force component is introduced onto the angle lever (18) to such an extent that the roller element (28) can overcome the dead center (60).
  • this is a continuous recess in the push rod (16), which extends partially in a section (70) projecting towards the stock rail (10).
  • the roller elements (28), (36), (40) and (42) are to be mounted elastically in such a way that a soft bearing results under static loading and a hard bearing under dynamic loading.

Landscapes

  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Push-Button Switches (AREA)
  • Knives (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Lock And Its Accessories (AREA)
  • Mechanical Operated Clutches (AREA)
  • Cookers (AREA)
  • Seats For Vehicles (AREA)
  • Manipulator (AREA)
  • Railway Tracks (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Knitting Machines (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Clamps And Clips (AREA)
  • Chain Conveyers (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Bearings For Parts Moving Linearly (AREA)
  • Preventing Unauthorised Actuation Of Valves (AREA)
  • Soil Working Implements (AREA)
  • Centrifugal Separators (AREA)
EP94924264A 1993-07-26 1994-07-20 Vorrichtung zum verriegeln einer weichenzunge Expired - Lifetime EP0711234B1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE19934324883 DE4324883A1 (de) 1993-07-26 1993-07-26 Vorrichtung zum Verriegeln einer Weichenzunge
DE4324883 1993-07-26
DE4325521 1993-07-30
DE4325521 1993-07-30
PCT/EP1994/002378 WO1995003199A1 (de) 1993-07-26 1994-07-20 Vorrichtung zum verriegeln einer weichenzunge

Publications (2)

Publication Number Publication Date
EP0711234A1 EP0711234A1 (de) 1996-05-15
EP0711234B1 true EP0711234B1 (de) 1997-12-29

Family

ID=25927993

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94924264A Expired - Lifetime EP0711234B1 (de) 1993-07-26 1994-07-20 Vorrichtung zum verriegeln einer weichenzunge

Country Status (14)

Country Link
EP (1) EP0711234B1 (no)
KR (1) KR960705711A (no)
AT (1) ATE161493T1 (no)
AU (1) AU7459294A (no)
BR (1) BR9407151A (no)
CZ (1) CZ292140B6 (no)
DE (1) DE59404904D1 (no)
ES (1) ES2111318T3 (no)
FI (1) FI960341A (no)
HU (1) HUT75170A (no)
NO (1) NO960311L (no)
PL (1) PL175140B1 (no)
TW (1) TW271453B (no)
WO (1) WO1995003199A1 (no)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19514491C1 (de) * 1995-04-25 1996-11-14 Wbg Weichenwerk Brandenburg Vorrichtung zum Verriegeln einer Weichenzunge
DE19545342A1 (de) 1995-12-05 1997-06-12 Butzbacher Weichenbau Gmbh Anordnung von Schwellen für Schienen
DE19615196A1 (de) * 1996-04-17 1997-10-23 Peddinghaus Carl Dan Gmbh Weichenendverschluß
EP0818376A1 (en) * 1996-07-10 1998-01-14 TECNOLOGIE MECCANICHE s.r.l. Switch locking device
DE19735099A1 (de) * 1997-08-13 1999-02-18 Butzbacher Weichenbau Gmbh Stelleinrichtung
WO2000002759A1 (de) * 1998-07-09 2000-01-20 Siemens Schweiz Ag Verschlussvorrichtung
AU6824900A (en) * 1999-08-24 2001-03-19 Carl Dan. Peddinghaus Gmbh & Co. Kg Point locking system
DE10000804A1 (de) * 2000-01-11 2001-07-26 Schreck Mieves Gmbh Weichenverschluß für Weichenzungen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR550064A (no) * 1923-02-26
DE4014249A1 (de) * 1990-05-04 1991-11-07 Butzbacher Weichenbau Gmbh Vorrichtung zum verriegeln einer weichenzunge
DE4014248A1 (de) * 1990-05-04 1991-11-07 Butzbacher Weichenbau Gmbh Vorrichtung zum verriegeln einer weichenzunge mit einer backenschiene

Also Published As

Publication number Publication date
ATE161493T1 (de) 1998-01-15
KR960705711A (ko) 1996-11-08
FI960341A0 (fi) 1996-01-25
PL312742A1 (en) 1996-05-13
FI960341A (fi) 1996-01-25
AU7459294A (en) 1995-02-20
PL175140B1 (pl) 1998-11-30
WO1995003199A1 (de) 1995-02-02
BR9407151A (pt) 1996-09-17
HUT75170A (en) 1997-04-28
ES2111318T3 (es) 1998-03-01
CZ14096A3 (en) 1996-05-15
NO960311D0 (no) 1996-01-25
NO960311L (no) 1996-01-25
EP0711234A1 (de) 1996-05-15
CZ292140B6 (cs) 2003-08-13
TW271453B (no) 1996-03-01
DE59404904D1 (de) 1998-02-05
HU9600178D0 (en) 1996-03-28

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