EP0647738B1 - Dispositif de boíte à ressort pour l'isolation des fondations de voies ferrées - Google Patents
Dispositif de boíte à ressort pour l'isolation des fondations de voies ferrées Download PDFInfo
- Publication number
- EP0647738B1 EP0647738B1 EP19930402474 EP93402474A EP0647738B1 EP 0647738 B1 EP0647738 B1 EP 0647738B1 EP 19930402474 EP19930402474 EP 19930402474 EP 93402474 A EP93402474 A EP 93402474A EP 0647738 B1 EP0647738 B1 EP 0647738B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- case
- spring unit
- trefoil
- collar
- slab
- 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
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2/00—General structure of permanent way
- E01B2/003—Arrangement of tracks on bridges or in tunnels
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B19/00—Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
- E01B1/002—Ballastless track, e.g. concrete slab trackway, or with asphalt layers
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2204/00—Characteristics of the track and its foundations
- E01B2204/01—Elastic layers other than rail-pads, e.g. sleeper-shoes, bituconcrete
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2204/00—Characteristics of the track and its foundations
- E01B2204/12—Floating rails or sleepers
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2204/00—Characteristics of the track and its foundations
- E01B2204/13—Dowels for slabs, sleepers or rail-fixings
Definitions
- the present invention relates to a device allowing the implementation reinforced concrete slabs of great length, poured on site and lifted, after drying, by the combined action of helical spring boxes and hydraulic cylinders, through prior reservations embétonnées.
- the present invention relates to a device according to claim 1 attached.
- a device retains the advantages associated with the use of helical springs and allows, by the use of cylinders hydraulic, progressive lifting of heavy loads.
- the cylinder hydraulic allows the spring preload. It’s the liberation of helical spring which ensures the lifting of the foundation.
- the hydraulic cylinders are moved apart and, as in the case of a floor floating on spring boxes, the foundation of the railway is completely disconnected from the primary slab.
- the hydraulic device makes it possible to vary the characteristics of the suspension depending on any change in charges.
- the supports when moving from the non-isolated area to the isolated area, the supports will be concentrated to increase the stiffness of the foundation and allow a gradual passage in suspended tracks.
- Figure 1 shows a principle section of a suspended track.
- Figure 2 shows the corresponding longitudinal view.
- Figure 3 shows a section of spring box with its damper.
- Figures 4a and 4b show the spring box introduced into the booking.
- Figures 5a and 5b show the implementation of the cylinder for the gradual lifting of the railway foundation.
- Figures 6a and 6b show the spring box after removing the cylinder and closing the cover.
- the device of the present invention therefore consists of a reservation (1) integrated in the slab (2) during the pouring of the concrete, the primary slab (3) serving as formwork. Anchorages provided on the reservations (4) allow these to be joined to the concrete and its frame.
- the spring box (5) After drying the slab, the spring box (5) is introduced into the reservation and 60 ° tour so that the clover (6) fulfills its role of support plate.
- the cylinder (7) is, in turn, inserted and locked in the reservation to ensure the lifting of the slab by pressure on the spring.
- the effort of cylinder is therefore transmitted to the primary slab (3) via the prestressed spring.
- the 3 screws (8) do not participate in dynamic lifting efforts.
- the operation is progressive and can be repeated up to the height of desired lift.
- the cylinder is then released from its hydraulic pressure and unlocked from the reservation.
- the potential energy is then stored in the spring prestressed which will deliver it during the lifting of the slab (2) depending on the progress of prestressing work on other reservations.
- the springs are pre-stressed in sufficient number, the slab (2) rises gradually.
- the 3 tabs (10) prevent any horizontal sliding of the part upper spring.
- the cover (11) is put in place with a suitable seal (12).
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Working Measures On Existing Buildindgs (AREA)
- Railway Tracks (AREA)
- Vibration Prevention Devices (AREA)
Description
- d'une réservation avec ancrages, embétonnées lors de la coulée et protégée contre la corrosion,
- d'un noyau constitué par un ressort protégé et ses plaques d'appui inférieures et supérieures, et d'un éventuel amortisseur,
- d'un trèfle (6) équipé de 3 vis de réglage, le trèfle et la bague d'appui interne étant conformés de façon à constituer un ensemble de type à baïonnette permettant d'une part l'engagement du trèfle dans la bague d'appui pour l'interposition de celui-ci entre la bague et la boíte à ressort, et d'autre part la rotation du dit trèfle de façon à remplir une fonction d'appui contre la bague, lesdites vis de réglage permettant de transférer à la boíte à ressort, après levage de la dalle de fondation, par un vérin provisoirement verrouillé dans la partie supérieure de la réservation et prenant appui sur la boíte à ressort, les efforts transmis par la bague d'appui interne au trèfle,
- d'un outillage hydraulique dont la mise en oeuvre est limitée aux opérations de levage et de réglage,
- d'un couvercle assurant l'étanchéité après dépose du vérin.
Claims (3)
- Dispositif pour la mise en oeuvre de fondations élastiques sur appuis ponctuels pour voies ferrées, caractérisé en ce qu'il comprend :une réservation (1) munie d'ancrages (4) pour solidariser la dite réservation à une dalle de fondation (2) lors de la coulée de celle-ci sur une dalle primaire, ladite réservation étant munie d'une bague d'appui interne,une boíte à ressort hélicoïdal (5) insérée dans la réservation et destinée à coopérer avec la dalle primaire et la dite bague d'appui pour former un appui ponctuel, basse fréquence, pour la dalle de fondation,un trèfle (6) équipé de trois vis de réglage (8), le trèfle et la bague d'appui interne étant conformés de façon à constituer un ensemble de type à baïonnette permettant d'une part l'engagement du trèfle dans la bague d'appui pour l'interposition de celui-ci entre la bague et la boíte à ressort, et d'autre part la rotation du dit trèfle de façon à remplir une fonction d'appui contre la bague, lesdites vis de réglage permettant de transférer à la boíte à ressort, après levage de la dalle de fondation par un vérin (7) provisoirement verrouillé dans la partie supérieure de la réservation et prenant appui sur la boíte à ressort, les efforts transmis par la bague d'appui interne au trèfle.
- Dispositif suivant la revendication 1) caractérisé en ce qu'il peut être combiné avec un amortisseur visqueux.
- Dispositif suivant les revendications 1) et 2) caractérisé en ce qu'il est visitable après la mise en service de la fondation élastique pour permettre le réglage et l'accord en fréquence en cas d'évolution des conditions du trafic ferroviaire grâce au vérin (7) introduit et verrouillé dans la réservation comme lors des opérations de levage.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1993631932 DE69331932T2 (de) | 1993-10-08 | 1993-10-08 | Federnde Kastenvorrichtung zur Isolierung des Unterbaus eines Eisenbahngleises |
EP19930402474 EP0647738B1 (fr) | 1993-10-08 | 1993-10-08 | Dispositif de boíte à ressort pour l'isolation des fondations de voies ferrées |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19930402474 EP0647738B1 (fr) | 1993-10-08 | 1993-10-08 | Dispositif de boíte à ressort pour l'isolation des fondations de voies ferrées |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0647738A1 EP0647738A1 (fr) | 1995-04-12 |
EP0647738B1 true EP0647738B1 (fr) | 2002-05-15 |
Family
ID=8214752
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19930402474 Expired - Lifetime EP0647738B1 (fr) | 1993-10-08 | 1993-10-08 | Dispositif de boíte à ressort pour l'isolation des fondations de voies ferrées |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0647738B1 (fr) |
DE (1) | DE69331932T2 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105714620A (zh) * | 2015-09-17 | 2016-06-29 | 成都明日星辰科技有限公司 | 一种带油压减震器轨道 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1297712C (zh) * | 2004-07-23 | 2007-01-31 | 尹学军 | 浮置道床 |
CN102359525B (zh) * | 2011-10-31 | 2013-03-27 | 浙江天铁实业股份有限公司 | 橡胶弹簧减振器 |
AT517573A1 (de) | 2015-07-21 | 2017-02-15 | Steinhauser Consulting Eng Zt Gmbh | Bahngleisauflagerung |
CN108591355B (zh) * | 2018-06-27 | 2024-06-18 | 佛山科学技术学院 | 一种竖向隔振支座 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3974963A (en) * | 1974-11-15 | 1976-08-17 | Westinghouse Air Brake Company | Railway wheel squeal suppression arrangement |
DE2927852C2 (de) * | 1979-07-10 | 1981-04-02 | Gumba Gummi Im Bauwesen Gmbh, 8011 Grasbrunn | Anordnung zur schwingungs- und körperschallgedämmmten Gleislagerung unterirdischer Bahnen |
US4616395A (en) * | 1983-06-30 | 1986-10-14 | Perini Corporation | Railroad track fixation method and apparatus |
AT402829B (de) * | 1992-01-29 | 1997-09-25 | Vae Ag | Einrichtung zum verbinden von schienen |
-
1993
- 1993-10-08 EP EP19930402474 patent/EP0647738B1/fr not_active Expired - Lifetime
- 1993-10-08 DE DE1993631932 patent/DE69331932T2/de not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105714620A (zh) * | 2015-09-17 | 2016-06-29 | 成都明日星辰科技有限公司 | 一种带油压减震器轨道 |
Also Published As
Publication number | Publication date |
---|---|
DE69331932T2 (de) | 2002-12-19 |
EP0647738A1 (fr) | 1995-04-12 |
DE69331932D1 (de) | 2002-06-20 |
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