WO2004110844A2 - Verschlussvorrichtung für weichenzungen mit profilanpassung - Google Patents
Verschlussvorrichtung für weichenzungen mit profilanpassung Download PDFInfo
- Publication number
- WO2004110844A2 WO2004110844A2 PCT/EP2004/005692 EP2004005692W WO2004110844A2 WO 2004110844 A2 WO2004110844 A2 WO 2004110844A2 EP 2004005692 W EP2004005692 W EP 2004005692W WO 2004110844 A2 WO2004110844 A2 WO 2004110844A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- locking
- bearing
- switch tongue
- rail
- component
- Prior art date
Links
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 present invention relates to a device for adjusting a switch tongue between a position adjacent to a pole rail and a position remote from the pole rail.
- railway switches are equipped with locking devices, e.g. are disclosed in European patent application EP 0 885 795 A1.
- This European patent application shows the function of a modern locking device (latch lock CKA). Shown there is locking or unlocking as well as changing the switch tongues, which happens with a latch lock by means of a locking rod and a locking latch.
- the turnout tongue connected to the locking pawl via a locking bearing is guided by the locking bar against the associated pole rail during the locking process, with the locking pawl passing under the pole rail and from the locking rod to lock the switch tongue upwards against the foot of the pole rail or against the foot the stick rail arranged is pressed.
- a locking device is known from EP 0 624 508 A1, in which a positive connection of the switch tongue to the stick rail is sought. This is achieved in that the lock bearing connected to the switch tongue is provided with an extension which, when the locking device is locked, presses against a lock carrier rigidly connected to the pole rail, whereby the switch tongue is rotated around the lock bearing and pressed positively against the stick rail.
- a closure device according to the above-mentioned EP 0 624 508 Al is also shown, which is integrated in a hollow sleeper body, whereby an automatic tamping of the track ballast in the area of the point adjustment device, i.e. in particular in the area of the tip of the switch tongues.
- the lock carrier is held at the foot of the stick rail by clasping the foot of the stick rail on both sides and / or the locking pawl is held in a lock bearing attached directly to the switch tongue. It is therefore easy to understand that especially in countries with a large variety of track and switch tongue profiles, e.g. the USA, Great Britain and Japan, a correspondingly large number of different lock carriers and / or lock bearings must be stored and used as required. In view of the large number of profiles available, both the stockpiling and the appropriate use are therefore complex and expensive.
- the object of the invention to provide an adjustment and locking device for switch tongues which manages with a particularly small number of parts despite the presence of different rail and tongue profiles and at the same time makes the work of the assembly team efficient and largely eliminates sources of error.
- This object is achieved according to the invention in a first variant of the adjustment and locking device mentioned at the outset in that the device has the following components: a) a locking bearing coupled to the switch tongue, which is connected via an axis to a locking pawl, b) a locking rod, which leads the locking pawl against a coupling carrier coupled to the pole rail and closes or unlocks it with this and continues from the bolt carrier, wherein c) the bolt carrier is mounted on the pole rail on the side of the pole rail facing away from the switch tongue and with a counter bearing which is attached to a fixed track superstructure component is arranged, is connected.
- the closure carrier can be fastened to the pole rail without fastening elements having to be fastened to the pole rail on the side of the pole rail facing the switch tongue.
- the stationary track superstructure component that is to say a component which is present anyway in the area of the track and / or a switch, can thus be used for fastening the closure carrier and creates it thus the prerequisites for freeing the above-mentioned interior profile.
- a particularly expedient solution is to use a component for storing the switch tongue as a fixed track superstructure component.
- a component for storing the switch tongue is designed to be very stable and is therefore suitable for holding the fastening of the closure carrier on the inside of the stick rail, possibly also by bracing the closure carrier.
- a switch tongue sliding chair proves to be particularly suitable. This sliding chair can also be used as a Point switch slide bearings or switch switch roller bearings.
- a switch distribution device can also be integrated in a hollow sleeper body.
- the stationary track superstructure component is arranged on a rising flank of a sleeper body having a U-shaped profile.
- any flange which is attached to a sleeper body is also suitable as a stationary upper track component.
- This flange only has to be made sufficiently stable so that it can serve as a counter bearing for fastening the closure carrier.
- the flange can of course be reinforced with support webs or the like.
- a particularly expedient fastening of the lock carrier results on the outside of the stick rail (the side of the stick rail facing away from the switch tongues) if the lock carrier is positively coupled in the foot region of the stick rail.
- the closure carrier can then enclose the rail foot on the outside like a clamp and thus be braced in a direction which is essentially perpendicular to the longitudinal extension of the pole rail.
- Closure device solved in that the device has the following components: a) a lock bearing coupled to the switch tongue, which is connected via an axis to a lock pawl, b) a lock rod which guides the lock pawl against a lock carrier coupled to the pole rail and locks or unlocks with it and continues from the lock carrier, wherein c) the lock bearing is arranged on a component which at least partially follows the adjustment movement and a transfer of the displacement movement from the lock bearing to the switch tongue is achieved by means of an adjustable push rod.
- the locking bearing in which the locking pawl is rotatably mounted about an axis essentially parallel to the longitudinal extension of the stick rail.
- the adjustment to different profiles of the switch tongue is made by the push rod, which is designed to be adjustable.
- One of the locking components involved in the adjustment movement of the locking rod is, for example, the locking rod itself, the slide rod or a component which itself constitutes an element in the connecting chain from the slide rod to the lock rod.
- Such a component can also be an additional carrier or sliding part or the like, which is attached to one or more of the above-mentioned components and thus carries the locking bearing.
- a preferred variant in an embodiment of the invention provides for the pushrod to be firmly connected to the switch tongue and to be held displaceably in the locking bearing. This variant therefore usually requires a hole in the switch tongue in order to screw the push rod to the switch tongue. However, a solution is also conceivable in which the push rod is held on the switch tongue without drilling by means of clamping or bracing or the like.
- the push rod can be held displaceably in the lock bearing and the two switch tongues can be connected by means of a coupling rod. So it becomes a switch tongue during an adjustment movement from the push rod to the pole rail and the other switch tongues are pulled away from the pole rail by means of the coupling rod. Thanks to the displaceability of the push rod in the lock bearing, an almost arbitrary number of different switch tongue profiles can be operated.
- the push rod can be held in the locking bearing with a defined holding force against its displacement.
- a non-destructive cutting of the switch tongues for the switch adjustment mechanism can be achieved, which was otherwise solved, for example, by installing components with predefined predetermined breaking points.
- the push rod instead of having to replace the now more broken component after cutting the switch tongues, in this variant the push rod only has to be pushed back into its original position and fastened again with the predetermined holding force.
- This holding force can be achieved by means of a spring-loaded locking device.
- a ball or a roller is pressed into a bulge in the push rod by means of a spring. Thanks to this bulge, it is also possible to move the plunger back into the correct position (after cutting the switch tongue) without special adjustment tools or the like, because by means of the spring force the cheapest and therefore the correct end position of the push rod can be achieved almost automatically.
- This third variant represents a combination of the first and the second variant and has the following features:
- Device for adjusting a switch tongue between a layer adjacent to a pole rail and a position remote from the pole rail comprising: a) a.
- locking bearing coupled to the switch tongue, which is connected via an axis to a locking pawl, b) a locking rod which guides the locking pawl against a locking carrier coupled to the pole rail and locks or unlocks with this and continues from the locking carrier, c) the locking carrier mounted on the side rail of the pole rail facing away from the switch tongue and connected to a counterbearing which is arranged on a stationary track superstructure component; and d) the lock bearing is arranged on a component which at least partially follows the adjustment movement and a transfer of the displacement movement from the lock bearing to the switch tongue is achieved by means of an adjustable push rod.
- FIG. 1 shows a schematic side view of a first adjustment device for a switch tongue
- FIG. 2 shows a schematic side view of a second adjustment device for a switch tongue
- FIG 3 shows a closure device known from EP 0 624 508 A1.
- FIG. 3 shows a locking device 2 known from EP 0 624 508 A1, which has a locking pawl 10 connected via an axis 4 and a locking bearing 6 to a switch tongue 8, which pawl is closed on a surface 12 of a locking carrier connected to a stick rail 14 16 fits positively and in it by a Locking rod 18 is locked.
- the closure bearing 6 is provided at the bottom with an extension, not shown, which, when the closure device is closed, abuts the closure carrier 16, which transmits a force P 1 to the closure bearing 6, by means of which a head 20 of the switch tongue 8 is pressed against the head 22 of the pole rail 14 ,
- the locking bearing 6 is connected by a screw connection 24 to the foot 26 of the switch tongue 8, which is designed such that its foot 26, when the head 20 of the switch tongue 8 bears against the head 22 of the stick rail 14, over the foot 28 of the stick rail 14 lies. It is therefore easy to see that the lock bearing 6 can easily be attached to the foot 26 of the switch tongue 8.
- the closure carrier 16 can also be clamped to the foot 28 of the pole rail 14 by means of a clamping screw 30 and a clamp hook 32.
- this embodiment of the closure device 2 can no longer be used if, for example, a different profile of the switch tongue 8 is present and therefore there is no space at the foot 28 of the stick rail 14 for fastening the clip hook 32.
- This embodiment is also problematic if there are many different profiles for the stick rails and the switch tongues within a rail network. In this case, a separate lock bearing and a separate lock carrier must be used for each profile.
- FIG. 1 now shows a schematic side view of a first locking device 100 according to the invention, in which the mounting of a locking carrier 102 and a locking bearing 104 is solved in a manner that is independent of the respective profiles of the stick rail 14 and a switch tongue 106 that has been changed compared to FIG. 3.
- the closure carrier 102 is on the side 108 facing away from the switch tongue 106 by means of a form-fitting clasp attached to the foot 28 of the stick rail 14.
- a counter bearing in the form of a bolt 110 is created, so that the closure carrier 102 can be clamped by means of a clamping screw 112 and a hook rod 114.
- the bolt 110 is attached in a manner not shown here to a track superstructure component, such as, for example, on the inside of a hollow sleeper body or on the underside of a slide bearing for the switch tongue 106.
- the bolt 110 has been arranged so far below the foot 26 of the switch tongue 106 only for the sake of a better illustration in principle.
- the mounting of the lock bearing 104 is also solved in a way that allows the use of completely different switch tongue profiles.
- the locking bearing 104 is therefore mounted by means of a slide plate 118 which is in sliding engagement with a track superstructure component.
- the track superstructure component is a cover plate 119, which is only shown in detail and which closes off the cavity of a hollow sleeper or a sleeper compartment.
- L-shaped guides are on this cover plate 119 121 arranged, on the horizontally extending part 123 of the slide plate 118 slides. The adjustment movement is thus transmitted from the locking rod 18 via the locking pawl 10 to the locking bearing 104 fastened to the slide plate 118.
- the sliding plate 118 With an adjusting movement of the switch tongue 106, the sliding plate 118 is moved back and forth between its two end positions of the sliding movement.
- a rolling bearing or the like can also be used.
- the slide plate 118 thus lies on the guides 121, 123, which also serve as slide bearings.
- the guide 121, 123 thus bears the weight of the locking bearing 104.
- the locking pawl 10 is still mounted on the axis 4 in the locking bearing 104.
- a push rod 120 is slidably mounted in a bore. The push rod 120 is locked in one end position, which is the end face
- the push rod 120 allows it to lie exactly against the switch tongue 106.
- the push rod 120 therefore pushes the switch tongue 106 into the position shown in FIG. 1.
- the push rod 120 on the other opposite side of the locking device 100 which is axially symmetrical to the central attack 124 of the drive rod 126, causes the opposite switch tongue to be pushed against the opposite stick rail and the one shown in FIG Switch tongue 106 is then removed from the stick rail 14.
- the above-mentioned coupling rod between the two switch tongues 106 can also be released by means of a continuous sliding plate 118, which either has elements coupling itself to the switch tongues 106 or is part of an arrangement in which the
- Push rods 120 are not only able to push a switch tongue into the desired position, but also to pull it into a desired position. In the latter case in particular, however, it can then again be advantageous to design the sliding plate 118 separately for each locking bearing 104. So it turns out a switchability of the switch without the slide plate 118 being damaged, which would be the case with a continuous slide plate 118, because when opening the second of the two switch tongues 106 are forced into the position away from the pole rail 14 in any case.
- a second closure device 130 is shown in a schematic side view in FIG. For the sake of clarity, essentially only the mounting of a lock carrier 132 and a lock bearing 134 are shown.
- the entire closure device 130 is integrated in an upwardly open, hollow sleeper body 136 which has a U-shaped profile and has outward-facing flanges 138.
- a sliding chair 140 for a switch tongue 142 secured by means of screw connections 139 is mounted on these flanges 138.
- the stick rail 144 is fastened to the flanges 138 by means of screw connections 146.
- a laterally protruding bolt 148 is provided on each of the inward-facing sides of the sliding chairs 140 and serves as a counter-bearing for fastening the closure carrier 132.
- the closure carrier thus initially surrounds the foot 150 of the stick rail 144 on its outside 152 during its assembly and is fastened by means of a tensioning screw 154 which braces a hook rod 156 encompassing the bolt 148.
- This attachment is provided on both sliding chairs 140 attached to the flanges 138.
- the fastening of the closure carrier 132 can, however, be solved in the manner described above without a hole in the pole rail, which is often required by railway infrastructure operators.
- the fastening of the locking bearing 134 is also correspondingly flexible.
- the locking bearing 134 is again fastened to a sliding part 135, which itself runs in a rolling manner (indicated by dotted rollers 137) in a guide track 141 arranged on the inward-facing side surfaces of the sliding chairs 140.
- the locking pawl (likewise not shown here) is held rotatably about the axis 4 in an eccentric bush 5 (see FIG. 1).
- the locking bearing 134 also has a substantially horizontal bore in which a push rod 156 is slidably held.
- the push rod 156 can be firmly connected to the switch tongue 142 by means of a thread arranged on the push rod 156.
- the push rod 156 has a roller-shaped recess 158, into which a roller body 162, which is acted upon by a spring 160, is pressed.
- the spring 160 is tensioned by means of a screw 164 which is screwed into a vertically extending spring shaft 166.
- a thickness selection for a washer 168 a predefined holding force can be exerted on the push rod 156. The holding force is selected so that it is possible to cut open the switch that has been run over in the opposite direction.
- the second locking device 130 thus also shows the desired advantages of easy adaptability to different profiles of the stick rail 144 and the Switch tongues 142, as has already been demonstrated with the first closure device 100.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Railway Tracks (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Manufacturing Of Electrical Connectors (AREA)
- Body Structure For Vehicles (AREA)
- Platform Screen Doors And Railroad Systems (AREA)
- Coating Apparatus (AREA)
- Motorcycle And Bicycle Frame (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Bearings For Parts Moving Linearly (AREA)
- Automatic Assembly (AREA)
- Stored Programmes (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2529568A CA2529568C (en) | 2003-06-17 | 2004-05-27 | Locking device for switch blades with adaptable profiles |
DE502004008825T DE502004008825D1 (de) | 2003-06-17 | 2004-05-27 | Verschlussvorrichtung für weichenzungen mit profilanpassung |
US10/560,174 US7654491B2 (en) | 2003-06-17 | 2004-05-27 | Locking device for switch blades with adaptable profiles |
AU2004247348A AU2004247348B2 (en) | 2003-06-17 | 2004-05-27 | Locking device for switch blades with adaptable profiles |
EP04734998A EP1633617B1 (de) | 2003-06-17 | 2004-05-27 | Verschlussvorrichtung für weichenzungen mit profilanpassung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03013698.0 | 2003-06-17 | ||
EP03013698A EP1488979A1 (de) | 2003-06-17 | 2003-06-17 | Verschlussvorrichtung für Weichenzungen mit Profilanpassung |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2004110844A2 true WO2004110844A2 (de) | 2004-12-23 |
WO2004110844A3 WO2004110844A3 (de) | 2005-06-30 |
Family
ID=33395811
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2004/005692 WO2004110844A2 (de) | 2003-06-17 | 2004-05-27 | Verschlussvorrichtung für weichenzungen mit profilanpassung |
Country Status (7)
Country | Link |
---|---|
US (1) | US7654491B2 (de) |
EP (2) | EP1488979A1 (de) |
AT (1) | ATE420010T1 (de) |
AU (1) | AU2004247348B2 (de) |
CA (1) | CA2529568C (de) |
DE (1) | DE502004008825D1 (de) |
WO (1) | WO2004110844A2 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008060229A1 (de) | 2008-01-03 | 2009-07-09 | Schwihag Ag | Umstellvorrichtung in Eisenbahnweichen |
ES2403480T3 (es) | 2009-04-22 | 2013-05-20 | Schwihag Ag | Dispositivo de cambio en agujas de ferrocarril |
JP5693294B2 (ja) * | 2011-02-28 | 2015-04-01 | 三菱重工業株式会社 | 分岐装置及び中央案内式の軌道系交通システム |
US10106933B2 (en) * | 2015-05-18 | 2018-10-23 | Narstco, Inc. | Universal slide-plate |
EP3473519A1 (de) * | 2017-10-23 | 2019-04-24 | D.R. Ferroviaria Italia S.r.l. | Innovatives elastisches lager für schaltpunkte, vorzugsweise selbstschmierende lager |
CN110155119B (zh) * | 2019-06-20 | 2021-06-08 | 东台飞系机械配件有限公司 | 一种转换锁闭设备用紧固部件 |
CN113308949A (zh) * | 2021-05-14 | 2021-08-27 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | 一种高稳定性单开道岔 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1599047A (en) * | 1925-06-18 | 1926-09-07 | Hall Tom | Safety switch lock |
EP0624508A1 (de) * | 1993-05-10 | 1994-11-17 | Siemens Integra Verkehrstechnik Ag | Klinkenverschluss für Eisenbahnweichen |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4014248A1 (de) * | 1990-05-04 | 1991-11-07 | Butzbacher Weichenbau Gmbh | Vorrichtung zum verriegeln einer weichenzunge mit einer backenschiene |
DE4315200C2 (de) * | 1993-05-07 | 2003-04-30 | Schwihag Gmbh | Querschwelle mit Verstellvorrichtung für Weichenzungen |
SE506183C2 (sv) * | 1993-05-27 | 1997-11-17 | Abb Daimler Benz Transp | Anordning vid järnvägsspår för omläggning av spårväxel |
AT405925B (de) * | 1997-05-27 | 1999-12-27 | Vae Ag | Einrichtung zum verriegeln der endlagen von beweglichen weichenteilen |
ATE243130T1 (de) | 1997-06-20 | 2003-07-15 | Siemens Schweiz Ag | Verschlussvorricthung |
DE10000804A1 (de) * | 2000-01-11 | 2001-07-26 | Schreck Mieves Gmbh | Weichenverschluß für Weichenzungen |
-
2003
- 2003-06-17 EP EP03013698A patent/EP1488979A1/de not_active Withdrawn
-
2004
- 2004-05-27 CA CA2529568A patent/CA2529568C/en not_active Expired - Fee Related
- 2004-05-27 US US10/560,174 patent/US7654491B2/en not_active Expired - Fee Related
- 2004-05-27 DE DE502004008825T patent/DE502004008825D1/de not_active Expired - Lifetime
- 2004-05-27 EP EP04734998A patent/EP1633617B1/de not_active Expired - Lifetime
- 2004-05-27 WO PCT/EP2004/005692 patent/WO2004110844A2/de active Application Filing
- 2004-05-27 AU AU2004247348A patent/AU2004247348B2/en not_active Ceased
- 2004-05-27 AT AT04734998T patent/ATE420010T1/de active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1599047A (en) * | 1925-06-18 | 1926-09-07 | Hall Tom | Safety switch lock |
EP0624508A1 (de) * | 1993-05-10 | 1994-11-17 | Siemens Integra Verkehrstechnik Ag | Klinkenverschluss für Eisenbahnweichen |
Non-Patent Citations (1)
Title |
---|
See also references of EP1633617A2 * |
Also Published As
Publication number | Publication date |
---|---|
US20070272803A1 (en) | 2007-11-29 |
EP1633617A2 (de) | 2006-03-15 |
EP1633617B1 (de) | 2009-01-07 |
CA2529568A1 (en) | 2004-12-23 |
DE502004008825D1 (de) | 2009-02-26 |
WO2004110844A3 (de) | 2005-06-30 |
AU2004247348B2 (en) | 2009-10-29 |
US7654491B2 (en) | 2010-02-02 |
EP1488979A1 (de) | 2004-12-22 |
ATE420010T1 (de) | 2009-01-15 |
AU2004247348A1 (en) | 2004-12-23 |
CA2529568C (en) | 2012-03-13 |
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