EP0692570A1 - Dispositif de soulèvement de la lame d'une aiguille - Google Patents

Dispositif de soulèvement de la lame d'une aiguille Download PDF

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Publication number
EP0692570A1
EP0692570A1 EP95110993A EP95110993A EP0692570A1 EP 0692570 A1 EP0692570 A1 EP 0692570A1 EP 95110993 A EP95110993 A EP 95110993A EP 95110993 A EP95110993 A EP 95110993A EP 0692570 A1 EP0692570 A1 EP 0692570A1
Authority
EP
European Patent Office
Prior art keywords
tongue
lifting device
spring
lifter bracket
rail
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
EP95110993A
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German (de)
English (en)
Other versions
EP0692570B1 (fr
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.)
Schreck Mieves GmbH
Original Assignee
Schreck Mieves GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schreck Mieves GmbH filed Critical Schreck Mieves GmbH
Publication of EP0692570A1 publication Critical patent/EP0692570A1/fr
Application granted granted Critical
Publication of EP0692570B1 publication Critical patent/EP0692570B1/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

Definitions

  • the invention relates to a tongue lifting device with a frame having a bearing block for a stock rail, a tongue lifter bracket pivotably mounted on the frame for a tongue rail, and an adjusting device for adjusting the height of the tongue lifter bar, which acts against a spring device that can be subjected to pressure, whereby a load on the tongue lifter bar that is transmitted via the tongue rail against the Spring force of the spring device acts.
  • a tongue lifting device of the type mentioned is already known in practice. Such a tongue lifting device has the task of enabling a tongue device in the area of the sliding chairs to be as free of lubricants as possible.
  • the tongue lifting device is attached to the stock rail base for operation.
  • the tongue lifting device mentioned has two rollers or rollers on which the tongue rail rests.
  • a major advantage of the known tongue lifting device is that the tongue rails only rest selectively, namely on the rollers or rollers, but not on the sliding chairs of the sleepers. The sliding chairs therefore no longer require lubrication, while the full switch function is retained.
  • the setting height of the known tongue lifting device can generally be changed with the aid of an adjusting screw.
  • Disc springs serve as the spring device, which transmit the force exerted by the set screw rotation via a lever construction to the roller lying on the stock rail base. This roller rises or falls depending on the setting of the adjusting screw and thus determines the height setting of the upper edge of the tongue to the upper edge of the stock rail or the distance between the sliding chair and the foot of the tongue.
  • the wheel running over a train presses down on this roller against the force exerted by the disc springs until the tongue foot rests on the sliding chairs.
  • the tongue rail on the stock rail is pulled into the open position.
  • the tongue foot slides onto the inner second roller, which is arranged in an inclined plane with the first roller.
  • the tongue base or tongue rail is then lifted overall in accordance with the height setting.
  • the force to be applied during the changeover process due to the rolling resistance it is considerably lower than the frictional resistance between the tongue rail and sliding chairs.
  • the tongue rail is returned to the closed position, it rolls down evenly from the inner roller onto the roller lying towards the stock rail base in the end position.
  • the known tongue lifting device can easily be used with existing switch units and can be easily installed and is also comparatively low-maintenance.
  • the known tongue lifting device is usually mounted in such a way that it is clamped to the stock rail foot in the sleeper compartment using appropriate fastening means, which may be fastening flanges or the like.
  • the low maintenance of the known tongue lifting device results from the fact that once it is set correctly, it generally does not require any readjustment, so that there is little installation and maintenance effort, which in turn has a cost-effective effect.
  • the invention now goes a new way.
  • a limiting device for limiting the height adjustment of the tongue lifter is now provided according to the invention, which is designed such that the spring force is not completely canceled at maximum height adjustment.
  • the invention is based, first of all, on the knowledge that the cause of the deformation or breakage of the fastening means lies in the fact that the tongue lifter bracket has hitherto been set too high in various ways.
  • the too high setting of the tongue lifting bracket leads namely in the known tongue lifting device to the fact that the spring device is completely compressed is so that there is no longer any travel.
  • the invention now sees a tongue lifting device of the type mentioned at the outset with a front roller facing the stock rail and a back roller facing away from the stock rail before, the rollers are mounted on the tongue lifter and protrude beyond the top, that the rear roller protrudes less far over the top of the tongue lifter than the front roller.
  • the aforementioned problem was also initially based on the knowledge that the high changeover forces and the sometimes jerky changeover result from the fact that the tongue rail with its tongue rail foot "runs" against the rear roller when the switch is changed, that is to say strikes against it.
  • the invention provides that the tongue lifting device prevents a lateral deflection or pushing apart of the plates under load having.
  • the problem described - the sudden jerky lowering of the tongue lever under load - in the prior art results from the fact that the two plates separate from each other and against the load Frame are pressed. As a result, a sometimes considerable frictional force occurs, which must first be overcome.
  • the holding device according to the invention now prevents the plates from being pushed apart or from sideways deflection, so that proper pivoting of the tongue lifter bracket is ensured.
  • a tongue lifting device 1 is shown, which is provided with a frame 4 having a bearing block 2 for a stock rail 3.
  • the tongue lifting device 1 also has a tongue lifter bracket 5 pivotably mounted on the frame 4 for a tongue rail 6.
  • the tongue rail 6 itself has an asymmetrical tongue profile with a protruding tongue rail foot 6a directed away from the stock rail 3.
  • the tongue lifting device 1 is provided with an adjusting device 7 for adjusting the height of the tongue lifting bracket 5 and thus the tongue rail 6.
  • the setting device 7 works against a resilient spring device 8, the adjusting device 7, the spring device 8 and the tongue jack 5 are connected to each other in such a way that a load transmitted via the tongue rail 6 acts on the tongue jack 5 against the spring force of the spring device 8. In other words, this means that when the tongue rail 6 is passed over, part of the forces occurring are absorbed by the spring device 8 under compression.
  • the tongue lifting device 1 has corresponding fastening means for fastening the stock rail 3 on the bearing block 2 of the frame 4.
  • These fasteners include, on the one hand, a flange 9 which is adjacent to the tongue lifter bracket 5 and which can be formed in one piece with the frame 4.
  • the flange 9 is designed such that it engages firmly and securely over the inner stock rail base 10a.
  • Opposite the flange 9 is at the end of the tongue lifting device 1 a flange-like clamping piece 11 which engages over the outer stock rail base 10b in a corresponding manner.
  • a screw connection 12 is provided for fastening the clamping piece 11.
  • the screw connection 12 consists of a hammer head screw 13 inserted into the frame 4, a fastening nut 14 and a lock nut 15.
  • a limiting device for limiting the height adjustment of the tongue jack 5 which is designed such that the spring travel of the spring device 8 is greater than zero at maximum height adjustment. This measure ensures that when the tongue rail 6 is passed over, the forces which occur are at least partially absorbed by the spring device 8 and at least not completely introduced into the flange 9. It is of course particularly expedient if the limiting device interacts with the spring device 8 in such a way that the spring travel of the spring device 8 at maximum height setting, which is predetermined by the limiting device, and in the event of a load, when the tongue rail is run over and then lies on the sliding chairs is greater than or equal to zero. This ensures in any case that, even at the highest setting, there is sufficient spring force of the spring device 8 to at least largely intercept the forces occurring under load, so that there is no fear of damage to the flange 9.
  • the adjusting device 7 is supported on the frame 4, is articulated to the tongue lifter bracket 5 and has a screw connection 16 for adjusting the height of the tongue lifter bracket 5.
  • the screw connection 16 in turn has at least one clamping bolt 17 mounted on the tongue jack 5, which is provided with a thread 18 at its free end.
  • An adjusting nut 19 is screwed onto the thread 18 and bears against the spring device 8 via a bushing 20. It goes without saying that the adjusting nut 19 could also bear directly against the spring device 8.
  • the adjusting nut 19 is secured with a lock nut 21. By screwing or loosening the adjusting nut 19, the height adjustment of the tongue jack 5 can be changed.
  • the limiting device is designed as a (not shown) stop on the thread 18 of the clamping bolt 17, so that the adjusting nut 19 can be screwed on as far as possible. Unintentional further screwing is not possible.
  • the stop is preferably designed as a shoulder or step, which is also not shown, a thread-free region 22 adjoining the thread 18 or the shoulder.
  • the spring device 8 preferably has disc springs 23 which are pushed onto the clamping bolt 17 as a package. It goes without saying that instead of a package of disc springs 23, for example, appropriately strong helical compression springs can also be used.
  • the outer diameter of the thread-free area 22 preferably corresponds to the inner diameter of the plate springs 23, so that the area 22 serves as a guide for the plate springs 23 and a defined position of the plate springs 23 is ensured.
  • the plate springs 23 in turn lie against a bush-shaped bearing 24, which in turn is supported on the frame 4.
  • a protective cap 25 is pushed onto the adjusting device 7.
  • the protective cap 25 covers the adjusting nut 19 and the package from the plate springs 23.
  • a secure hold of the protective cap results from the fact that there is a frictional connection between the bearing 24 and the protective cap 25.
  • it has at least one vent opening 26.
  • the vent opening 26 serves to possibly remove the To compensate for the protective cap 25 resulting negative pressure, which could make the removal of the protective cap 25 considerably more difficult.
  • the limiting device has at least one stop, which is preferably arranged above the tongue lifter bracket. If the tongue lifter strikes the stop during the height adjustment, a further height adjustment is excluded.
  • the stop could be arranged on the frame. In the embodiment shown, however, a certain adjustment of the shape and in particular the top of the tongue lifter bracket would be required when using such a stop.
  • the limiting device has at least one elongated hole aligned in the pivoting direction of the tongue lifter bracket and a projection engaging in the elongated hole.
  • the projection could be provided on an outside of the tongue lifter bracket and engage in an elongated hole provided on the frame. A reverse arrangement would of course also be possible.
  • a front roller 28 facing the stock rail 3 and a rear roller facing away from the stock rail 3 are mounted on the tongue lifter bracket 5. Both rollers 28 and 29 protrude above the top 27 of the tongue jack 5. It is essential here that the rear roller 29 projects less far over the top 27 of the tongue jack 5 than the front roller 28. This results in a significant reduction in the changeover forces and a smooth running of the tongue rail 6 when changing the switch. It is advisable if the rear roller 29 has a larger diameter than the front roller 28, so that the transition from the top 27 to the roller 29 is comparatively "gentle" when the tongue rail is changed over. It goes without saying that, in this embodiment, the rear roller must be mounted lower on the tongue jack 5 than the front roller 28. For example, for reasons of space on the tongue jack 5, it is not possible to store the rear roller 29 lower than the front roller 28 it is necessary to reduce the diameter of the rear roller 29 compared to the diameter of the front roller 28.
  • the tongue lifter bracket 5 has two plates 30, 31 spaced apart from one another, between which the rollers 28, 29 are mounted.
  • the plates 30, 31 have different perforations.
  • the rollers 28, 29 are mounted on corresponding stepped bolts 32.
  • the tongue jack 5 itself is mounted in a guide slot provided on the frame 4 between two frame flanks 33, 34.
  • there are perforations in the frame flanks 33, 34 which correspond to corresponding perforations in the tongue lifter bracket 5.
  • the tongue lifter bracket 5 is fastened between the frame flanks 33, 34 by means of a further bolt 35 which is secured on both sides by means of split pins 36. It goes without saying that a different type of fastening of the bolt 35 is of course also possible.
  • the holding device 37 preferably has a screw or plug connection which rigidly connects the plates 30, 31.
  • a screw connection is provided with a cheese head screw 38 which is inserted through the plate 31 and screwed into the plate 30.
  • the head of the cap screw 38 is also sunk in the plate 31.
  • elongated holes are located in the frame flanks, in which, for example, screw bolts, which also serve to implement the holding device, engage.
  • FIGS. 3 and 4 it can also be used, which consists of a type of clip, for example from above is put over the two plates and in this way holds the plates together.
  • This clip would then preferably be countersunk in the plates so that it does not protrude above the top of the tongue lifter.
  • a spacer element for example in such a way that corresponding stops are provided on the clamp on the mutually facing inner sides of the plates.
  • the tongue lifting device 1 is now installed in such a way that the switch is first locked and secured.
  • the clamping piece 11 and the protective cap 25 are then removed.
  • the tongue rail 6 must be raised and secured.
  • the tongue lifting device 1 is then hung approximately in the middle of a threshold compartment under the tongue rail 6 through the flange 9 on the inner stock rail foot 10a.
  • the tongue lifting device 1 is then fastened on the other stock rail side to the outer stock rail base 10b by means of the clamping piece 11 and the screw connection 12.
  • the tongue rail 6 can then be lowered again, which then rests on the front roller 28 of the tongue lifter bracket 5.
  • a second tongue lifting device 1 is then correspondingly arranged on the opposite side of the track.
  • the tongue lever bracket 5 is adjusted in height.
  • the adjusting nut 19 is tightened to such an extent that when the tongue rail 6 is in contact, the distance between the sliding chairs of the adjacent sleepers and the lower edge of the tongue is a maximum of 1 mm is. With the tongue rail 6 lying down, the distance between the adjacent sliding chairs and the lower edge of the tongue is approximately 4 to a maximum of 6 mm with an optimal setting.
  • the adjusting nut 19 is countered with the help of the lock nut 21. The protective cap 25 is then replaced. It should be ensured that the tongue rail 6 which is in contact then does not rest on the rear roller 29.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Railway Tracks (AREA)
  • Processing Of Meat And Fish (AREA)
  • Transplanting Machines (AREA)
  • Cereal-Derived Products (AREA)
  • Automatic Assembly (AREA)
EP95110993A 1994-07-13 1995-07-13 Dispositif de soulèvement de la lame d'une aiguille Expired - Lifetime EP0692570B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4424392A DE4424392A1 (de) 1994-07-13 1994-07-13 Zungenhebevorrichtung
DE4424392 1994-07-13

Publications (2)

Publication Number Publication Date
EP0692570A1 true EP0692570A1 (fr) 1996-01-17
EP0692570B1 EP0692570B1 (fr) 1997-10-01

Family

ID=6522833

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95110993A Expired - Lifetime EP0692570B1 (fr) 1994-07-13 1995-07-13 Dispositif de soulèvement de la lame d'une aiguille

Country Status (3)

Country Link
EP (1) EP0692570B1 (fr)
AT (1) ATE158827T1 (fr)
DE (3) DE4424392A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19812795C1 (de) * 1998-03-24 1999-12-02 Vossloh Werke Gmbh Gleitstuhl für eine Schienenweiche
GB2349905A (en) * 1999-05-14 2000-11-15 Vale Do Rio Doce Co Roller device for displacement of railroad switching rails
WO2001006060A1 (fr) * 1999-07-14 2001-01-25 Vae Aktiengesellschaft Dispositif pour soutenir de maniere elastique des elements mobiles d'un aiguillage
AT410331B (de) * 1999-05-27 2003-03-25 Vae Ag Einrichtung zum erleichtern der umstellbewegung und zum elastischen verriegeln von beweglichen schienen oder schienenteilen
WO2003091501A1 (fr) * 2002-04-23 2003-11-06 Vae Eisenbahnsysteme Gmbh Dispositif a rouleaux conçu pour une pointe de coeur de croisement mobile
CN111727289A (zh) * 2017-12-19 2020-09-29 埃克斯里德公司 辙轨用调节滚柱装置

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29605513U1 (de) * 1996-03-26 1996-07-11 Schreck-Mieves GmbH, 44225 Dortmund Weiche mit einer Zungenhebeeinrichtung und Zungenhebeeinrichtung
DE10215280B4 (de) * 2002-02-07 2006-01-12 Schreck-Mieves Gmbh Herzstückhebevorrichtung
DE102004004784B4 (de) 2004-01-30 2007-05-10 Cdp Bharat Forge Gmbh Vorrichtung zum Verschieben einer Zungenschiene
DE102008052152B4 (de) 2008-10-20 2014-01-23 Hansi Renc Weichenzungenhebe- und Rollvorrichtung
DE102010025770A1 (de) 2010-07-01 2012-01-05 Schwihag Ag Rollvorrichtung für eine Zungenschiene einer Weiche

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH368201A (de) * 1959-02-27 1963-03-31 Peddinghaus Carl Dan Kg Federnde Rollenlagerung für Weichenzungen
EP0495160A1 (fr) * 1990-12-21 1992-07-22 CARL DAN. PEDDINGHAUS GMBH & CO. KG Dispositif pour soulever la lame d'une aiguille
EP0532860A1 (fr) * 1991-07-25 1993-03-24 BWG Butzbacher Weichenbau GmbH Support à roulement pour l'aiguille mobile coopérant avec la contre-aiguille d'un aiguillage

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1056641B (de) * 1957-02-25 1959-05-06 Carl Dan Peddinghaus Kommandit Federnde, in der Hoehe einstellbare Rollenlagerung fuer Weichenzungen
LU75283A1 (fr) * 1976-07-01 1978-02-08
CZ196689A3 (en) * 1989-03-30 1993-10-13 Palivovy Kom S P Rail point slide
DE4223095C2 (de) * 1992-07-14 1995-08-31 Harald Huefner Lagerung für eine Schienenweiche mit einem Schienenpaar und zwei Weichenzungen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH368201A (de) * 1959-02-27 1963-03-31 Peddinghaus Carl Dan Kg Federnde Rollenlagerung für Weichenzungen
EP0495160A1 (fr) * 1990-12-21 1992-07-22 CARL DAN. PEDDINGHAUS GMBH & CO. KG Dispositif pour soulever la lame d'une aiguille
EP0532860A1 (fr) * 1991-07-25 1993-03-24 BWG Butzbacher Weichenbau GmbH Support à roulement pour l'aiguille mobile coopérant avec la contre-aiguille d'un aiguillage

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19812795C1 (de) * 1998-03-24 1999-12-02 Vossloh Werke Gmbh Gleitstuhl für eine Schienenweiche
GB2349905A (en) * 1999-05-14 2000-11-15 Vale Do Rio Doce Co Roller device for displacement of railroad switching rails
GB2349905B (en) * 1999-05-14 2003-01-29 Vale Do Rio Doce Co Roller device for displacement of railroad switching rails
AT410331B (de) * 1999-05-27 2003-03-25 Vae Ag Einrichtung zum erleichtern der umstellbewegung und zum elastischen verriegeln von beweglichen schienen oder schienenteilen
WO2001006060A1 (fr) * 1999-07-14 2001-01-25 Vae Aktiengesellschaft Dispositif pour soutenir de maniere elastique des elements mobiles d'un aiguillage
AU775381B2 (en) * 1999-07-14 2004-07-29 Vae Aktiengesellschaft Device for elastically supporting mobile elements of a switch
WO2003091501A1 (fr) * 2002-04-23 2003-11-06 Vae Eisenbahnsysteme Gmbh Dispositif a rouleaux conçu pour une pointe de coeur de croisement mobile
AT412350B (de) * 2002-04-23 2005-01-25 Vae Eisenbahnsysteme Gmbh Rolleinrichtung für eine bewegliche herzstückspitze
US7063293B2 (en) 2002-04-23 2006-06-20 Vae Eisenbahnsysteme Gmbh Rolling device for a displaceable cross frog
CN111727289A (zh) * 2017-12-19 2020-09-29 埃克斯里德公司 辙轨用调节滚柱装置

Also Published As

Publication number Publication date
DE4424392A1 (de) 1996-01-18
ATE158827T1 (de) 1997-10-15
EP0692570B1 (fr) 1997-10-01
DE59500747D1 (de) 1997-11-06
DE29509542U1 (de) 1995-08-17

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