EP0248685B1 - Schlauchförmige Abdichtung, gebildet aus zwei Roll-Membranen unter schwachem Überdruck für eine ringförmige Übergangseinrichtung - Google Patents
Schlauchförmige Abdichtung, gebildet aus zwei Roll-Membranen unter schwachem Überdruck für eine ringförmige Übergangseinrichtung Download PDFInfo
- Publication number
- EP0248685B1 EP0248685B1 EP87400784A EP87400784A EP0248685B1 EP 0248685 B1 EP0248685 B1 EP 0248685B1 EP 87400784 A EP87400784 A EP 87400784A EP 87400784 A EP87400784 A EP 87400784A EP 0248685 B1 EP0248685 B1 EP 0248685B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tubular joint
- membranes
- vehicles
- joint according
- tubular
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
- B61D17/20—Communication passages between coaches; Adaptation of coach ends therefor
- B61D17/22—Communication passages between coaches; Adaptation of coach ends therefor flexible, e.g. bellows
Definitions
- the invention relates to rail or road vehicles for travelers, where interconnection by a weatherproof and noise-tight gangway is provided between several successive vehicles. By extension, it is also applicable to gateways for access to an aircraft or a ship having similar kinematics.
- a current orientation in railway construction is to provide passengers with free movement along the length of the train with as few physical or visual obstacles as possible.
- An improvement in the services offered on the train, a possible distribution of crowds and security against attacks and acts of vandalism are sought by means of open traffic as wide as possible over the entire width of the boxes and without making use of doors. separation even automatic.
- Tramway systems use a rigid gangway, which can have soundproofing the body walls, each half of which will pivot around a vertical axis secured to each body and will be fitted with appropriate seals.
- Patent FR-A-2,357,409 to Alsthom Atlantique describes a means of connecting these two halves of the intercirculation compartment by a transverse horizontal axis close to the floor and supported by a median bogie between two boxes, thus linked in roll, but this system is unsuitable for linking a number of cases greater than two.
- Document EP 0134 202 from Fiat Ferroviara Savigliano describes a means of connecting two compartment halves by a single common point provided by a ball joint, conventional seals between the rigid walls which must allow roll movement between the vehicles thus connected .
- Patent application FR-A-2,571,010 of the RATP describes an intercirculation device between railway vehicles positioned, at each of its ends on the ends of the bodies of vehicles by means of a deformable pneumatic seal.
- a continuous pneumatic seal of the necessary dimensions, which, according to the inventor, "constitutes, in the free state, a kind of large air chamber” is, in practice, impossible to achieve with the conventional means of the rubber processing industry.
- the method of attachment shown diagrammatically in FIG. 10 of this document forcing the O-ring to be pressed parallel to flat and cylindrical faces, would require before closing of said seal, the insertion of metal plywoods whose perimeter should necessarily vary during tightening intended to ensure sealing.
- the known means and simple enough to implement in the rubber processing industry do not allow an economic realization of such a seal.
- the invention aims to propose a device, usable for the tight connection of rail or road vehicles but also of access gangways to ships or planes which is simple and economical to manufacture and which has all the mechanical properties, sound insulation and fire resistance necessary for the application.
- the object of the present invention is to propose an industrial solution to the problem to which the device described in document FR-A-2 571 010 provided only a theoretical solution.
- the invention consists in having, in order to form a flexible tubular joint having the general shape of a closed ring overlapping with the ends of rail or road vehicles or access gangways to ships or aircraft, two rolling membranes, in U-shaped, made of elastomeric composition and to introduce, into the closed deformable enclosure, thus formed, a moderate pressure relative to atmospheric pressure, for example an overpressure of the order of 0.2 bars.
- the invention is characterized in that said rolling membranes are assembled as they come from molding, according to the plane which is then common at their ends and which serves as a plane of symmetry for said tubular joint and that they are gas tight ensuring said overpressure and continuous over the entire periphery of the intercirculation ring, owing to the fact that said ends are each clamped between two rigid walls contained in parallel planes transverse to the axis of the vehicle or of the gangway.
- the plane of symmetry of the tubular joint consists of either a rigid external fixing frame and a rigid, independent internal fixing frame, on which the ends of the rolling membranes are enclosed by studs, straddling both sides. another of said external and internal fixing frames, that is to say the walls themselves of the rolling membranes, the ends of which are placed on profiles or extensions, inside or outside.
- Loads - permanent and variable - of a few hundred kilograms are balanced, with the same radius of curvature of the free part, by a support difference of a few centimeters made between the top seal, located on the ceiling, and the bottom seal , located under the floor, said difference being measured in the longitudinal direction of the vehicles.
- Such a low pressure - of the order of 0.2 times atmospheric pressure - is very low to keep entire months, permanently, with periodic control or automatic detection, which constitutes an excellent means of warning before failure, at the slightest crack, long before the joint's rolling possibilities are compromised.
- Figure 1 is a view along the axis of the vehicle, cut by the fixing plane of the tubular joint according to the invention.
- the tubular joint (1) is secured to the vehicle body (5) by a rigid frame (2) for external fixing. It is another rigid frame (3) for internal fixing which provides the connection with the intercirculation ring (7).
- the tightening of the tubular joint (1), by bolts (or by rivets), is done in a direction parallel to the axis of the vehicles.
- the internal pressure is introduced and controlled by known means such as a valve (4) which can be placed anywhere in the tubular joint (1).
- FIG. 2 is a horizontal section along AA ⁇ of Figure 1, the side walls of the vehicle bodies (5a) and (5b) and the intercirculation ring (7), all floors removed.
- the housing with parallel faces of the two tubular seals (1) is extended by an external profile (8), for the vehicle bodies (5a) and (5b) and by an internal profile (9) for the intercirculation ring ( 7), these two profiles (8) and (9) being here shown bevelled at their end.
- the generally planar bearing face of the tubular seals (1) can optionally receive a cylindrical curvature around the axes (B) and (B ⁇ ).
- Figure 3 is an enlargement of Figure 2 which details the U-shaped section of the two membranes (1a) and (1b) forming the tubular joint.
- Said membranes (1a) and (1b) are not subjected, in service, to significant stresses and deformations which would require a formulation of the rubber-based mixture giving it great resistance to dynamic weariness.
- the designer of mixtures is therefore free to seek a composition of the rubber-based mixture allowing him to achieve fire resistance and / or improved sound insulation characteristics.
- the elastomer from polymers having, in their molecular structure, halogen atoms such as chlorine or bromine.
- the mixture formulator can select, by way of nonlimiting examples, polychloroprene, chlorinated polyethylene, chlorobutyl or bromobutyl. Elastomers containing fluorine atoms in their molecule could also be used, but this solution does not go in the direction of the desired economy.
- the formulator of mixtures also has a large palette in which it will advantageously choose from the class of borates - such as sodium borate - or also from chlorinated paraffins which will have to be associated with antimony oxide or still hydrated alumina.
- the designer of mixtures can combine with the above-mentioned elastomers fillers based on lead salts or oxides such as litharge.
- a convenient implementation of said tubular joint (1) consists of a prior fixing, by fitting or by screwing the studs (10), straddling the frames (2) and (3), where the membranes (1a) and (1b ) - preferably pre-drilled - are threaded, before this assembly is placed, on one side on the vehicle body (5) and the interior profile (9), on the other side on the exterior profile ( 8) and the intercirculation ring (7) itself.
- the inflation and control valve (represented in (4) in FIG. 1) will advantageously consist of a tube secured to the rigid outer frame (2) and located at a low point thus allowing the evacuation of any condensation.
- FIG. 4 represents a deformed position of the assembly which is illustrated in the aligned position in FIG. 2.
- Figure 5 is a schematic enlargement of the areas of particular interest to the tubular joint (1), according to the invention. Only the diagram of the maximum deformations that said tubular joint (1) has to undergo in the entire vertical part along the side walls (5) and the intercirculation ring (7), according to the cutting plane AA ⁇ of the figure. 1.
- the order of magnitude of the rigidity provided by this link will be close to 1 centimeter for values at the limit of lateral comfort such as 0.15 times the gravity.
- the tubular joint (1) must pass, very repetitively, from the position as close as possible as shown in view 5a to the position stretched as far as possible shown in view 5b.
- This torsional deformation of the tubular joint (1) is distributed over the approximate width of the vehicle, only by shearing of the material in a longitudinal plane of the vehicle, shearing of the order of 10% in relative value; such a low deformation rate guarantees a very long fatigue life and allows the choice of rubber-based mixtures optimized more particularly for their fire resistance.
- a rolling of the tubular joint (1) parallel to the axis of the vehicles due to the small elastic variations in length of the coupling between the consecutive vehicles (5a) and (5b) will be, by definition, without any effort, at constant length (1) of the wave formed by the membranes (1a) and (1b) (see Figures 2 and 3).
- the two support faces of length (c) shift on the rigid walls with unwinding by bending of the tubular joint, this constituting the only constraint, minute, which is opposed to displacement.
- FIG. 6 represents a possible variant, advantageous for the kinematics of the floors, when the instantaneous vertical axes of rotation (B) or (B prompt) are distant from the plane of installation of the tubular joints (1).
- the intercirculation ring (7) surrounds the end of the vehicle bodies (5), unlike the previous configurations where it was inside.
- Figure 7 is an enlargement of Figure 6, in the area of the tubular joint (1).
- the extensions (8a) and (9a) are conical in the curved parts; they are rectilinear and oblique in the lateral and horizontal walls.
- one of the essential characteristics of the invention remains: it is the fixing of the tubular joint (1), by its plane assembly, perpendicular to the axis of the vehicles.
- the U-shaped membrane (1a) and (1b) manufacturing method does not require any modification, for this configuration, compared to that described in FIG. 3 due to the very great deformability of the part.
- One of the most economical manufacturing methods is the production by molding, in one piece, from a continuous rubber blank, placed in a compression mold having the size of the part and which can be heated. by any means used in the rubber processing industry, such as an autoclave, elastic stirrups ensuring the sealed closure of the mold during the operation. The holes in the membranes can be obtained in this way, upon molding.
- Another possible embodiment, even more favorable to sound insulation, is the replacement of the area, in the internal volume defined by the U-shaped membranes, by a heavy gas whose speed of propagation of sounds is lower than that of air, such as carbon dioxide, which improves the fatigue life of rubber compounds and is safe for passengers in the event of a leak or fire.
- a heavy gas whose speed of propagation of sounds is lower than that of air, such as carbon dioxide, which improves the fatigue life of rubber compounds and is safe for passengers in the event of a leak or fire.
- this gas also has the advantage, in the event of a fire, of increasing the fire resistance of the tubular joint by limiting the presence of oxygen in contact with it and therefore by reducing combustion.
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Joints Allowing Movement (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Gasket Seals (AREA)
- Tires In General (AREA)
Claims (8)
- Schlauchförmige Abdichtung für ringförmige Übergangsvorrichtung zwischen Eisenbahn- oder Straßenfahrzeugen oder für Zugangsstege zu Schiffen oder Flugzeugen, in der allgemeinen Form eines geschlossenen Rings unter Überdeckung der Enden der genannten Fahrzeuge oder Stege, mit einer Gasfüllung eines Überdrucks von 0,1 bis 0,5 bar gegenüber dem Atmosphärendruck und gebildet aus zwei Rollmembranen (1a und 1b) in Form eines U, die aus einer elastomeren Zusammensetzung bestehen, wobei die schlauchförmige Abdichtung dadurch gekennzeichnet ist, daß die Rollmembranen (1a und 1b) die, wie sie aus der Form kommen, längs der ihren Enden (11a und 11b) gemeinsamen und als Symetrieebene der schlauchförmigen Abdichtung (1) dienenden Ebene zusammengefügt für das den Überdruck bewirkende Gas dicht und über den ganzen Umfang der ringförmigen Übergangsvorrichtung durchlaufend sich, weil die genannten Enden (11a und 11b) jeweils zwischen zwei starren Wänden in Ebenen verklemmt sind, die untereinander parallel sind und quer zur Achse des Fahrzeuges oder des Steges liegen.
- Schlauchförmige Abdichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Symetrieebene gebildet ist aus einem äußeren starren Halterahmen (2 oder 3a) und einem inneren starren Halterahmen (3 oder 2a), die voneinander unabhängig sind, wobei die Enden (11a und 11b) der Rollmembranen (1a und 1b) durch Muttern verklemmt werden, die jeweils auf Gewinden von Bolzen (10) befestigt sind, die rittlings auf den genannten äußeren (2 udn 3a) oder inneren (3 oder 2a) starren Halterahmen sitzen.
- Schlauchförmige Abdichtung nach Anspruch 1, dadurch gekennzeichnet, daß ihre Symetrieebene durch Wandungen der genannten Rollmembranen (1a und 1b) gebildet ist, deren Enden einerseits auf einer Verlängerung (8a) und andererseits unter leichter Spannung auf einer Verlängerung (9a) befestigt sind.
- Schlauchförmige Abdichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Länge der Abstützlinien (C) der Schenkel des U für Decke und Fußboden des Fahrzeugs unterschiedlich ist, um ein Gleichgewicht mit den dauernden Lasten sicherzustellen.
- Schlauchförmige Abdichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß das an sich bekannte Ventil (4) für das Aufblasen und die Steuerung des Innendrucks fest mit dem äußeren Halterahmen (2 oder 3a) verbunden ist, wodurch der kleinste Fehler der Abdichtung durch Überwachung auf eine Verminderung des Innendrucks festgestellt werden kann.
- Schlauchförmige Abdichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß das im durch die Rollmembranen (1a und 1b) gebildeten geschlossenen Volumen eingeschlossene Gas ein schweres Gas geringer Schallübertragungsgeschwindigkeit wie Kunststoffdioxid ist.
- Schlauchförmige Abdichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Rollmembranen (1a und 1b) zum Sicherstellen einer derjenigen der Wände des Fahrzeugkastens äquivalenten Schalldämmung eine Stärke von mindestens 6 Millimeter aufweisen.
- Schlauchförmige Abdichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die elastomere Zusammensetzung der Rollmembranen (1a und 1b), die gleichzeitig den Anforderungen der Beständigkeit unter Biegewechselbeanspruchung bzw. unter der Dauerzugbeanspruchung durch den Überdruck, der Dichtigkeit, der Schalldämmung und der Unbrennbarkeit genügen müsse, eine kompakte und homogene elastomere Zusammensetzung ist, die einerseits ein in seiner Molekularstruktur Halogenatome aufweisendes Elastomer aufweist und andererseits verstärkende Füllstoffe auf der Basis von Salzen oder Oxiden von Blei.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT87400784T ATE72181T1 (de) | 1986-05-27 | 1987-04-08 | Schlauchfoermige abdichtung, gebildet aus zwei roll-membranen unter schwachem ueberdruck fuer eine ringfoermige uebergangseinrichtung. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8607696A FR2599308B1 (fr) | 1986-05-27 | 1986-05-27 | Joint tubulaire forme de deux membranes roulantes sous faible surpression pour anneau d'intercirculation |
FR8607696 | 1986-05-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0248685A1 EP0248685A1 (de) | 1987-12-09 |
EP0248685B1 true EP0248685B1 (de) | 1992-01-29 |
Family
ID=9335766
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP87400784A Expired - Lifetime EP0248685B1 (de) | 1986-05-27 | 1987-04-08 | Schlauchförmige Abdichtung, gebildet aus zwei Roll-Membranen unter schwachem Überdruck für eine ringförmige Übergangseinrichtung |
Country Status (7)
Country | Link |
---|---|
US (1) | US4819565A (de) |
EP (1) | EP0248685B1 (de) |
AT (1) | ATE72181T1 (de) |
CA (1) | CA1278464C (de) |
DE (1) | DE3776407D1 (de) |
ES (1) | ES2028887T3 (de) |
FR (1) | FR2599308B1 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3807167A1 (de) * | 1988-03-04 | 1989-09-14 | Huebner Gummi & Kunststoff | Uebergangseinrichtung fuer schienenfahrzeuge |
FR2629034B1 (fr) * | 1988-03-25 | 1990-04-20 | Caoutchouc Manuf Plastique | Membrane deformable pour tunnel d'intercirculation entre vehicules successifs ferroviaires ou routiers |
US5102150A (en) * | 1991-02-19 | 1992-04-07 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Pressure vessel flex joint |
JP3962463B2 (ja) * | 1997-11-28 | 2007-08-22 | 株式会社成田製作所 | 車両用連結幌 |
US6067911A (en) | 1998-03-25 | 2000-05-30 | Burrell Leder Beltech, Inc. | Flexible vandal-resistant panels |
EP1077855B1 (de) * | 1998-05-13 | 2005-09-07 | DB Fernverkehr AG | Schienenfahrzeug |
FR2846727B1 (fr) * | 2002-10-30 | 2005-02-18 | Claude Bresso | Agencement de joint d'etancheite pour deux pieces articulees |
GB2420105A (en) * | 2004-11-15 | 2006-05-17 | Bombardier Transp Gmbh | Inflatable escape chute for a train |
WO2009134874A1 (en) * | 2008-04-29 | 2009-11-05 | Thermal Structures, Inc. | Thermal seal and methods therefor |
DE102010005250B4 (de) * | 2010-01-20 | 2013-03-21 | Db Fernverkehr Ag | Schienenfahrzeug für einen Fahrbetrieb auf Gleisanlagen mit Schotter-Oberbau |
DE202010011337U1 (de) * | 2010-08-12 | 2010-10-21 | Bohnet, Hans | System zur Abdichtung eines Rohrleitungssystems |
PL2489567T3 (pl) * | 2011-02-16 | 2015-04-30 | Huebner Gmbh & Co Kg | Przejście między dwoma wagonami pojazdu szynowego, zwłaszcza pojazdu szynowego o dużej prędkości jazdy |
KR102122076B1 (ko) * | 2018-05-21 | 2020-06-26 | 한국철도기술연구원 | 하이퍼튜브용 실링장치 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US487776A (en) * | 1892-12-13 | Edgar c | ||
US474796A (en) * | 1892-05-10 | Vestibule connection for cars | ||
GB566016A (en) * | 1943-03-22 | 1944-12-08 | Du Pont | Improvements in or relating to neoprene compositions |
FR61872E (fr) * | 1951-07-30 | 1955-05-18 | Ile D Etudes D App S Et D Equi | Tuyau en matière synthétique incombustible |
US3399632A (en) * | 1966-06-24 | 1968-09-03 | Budd Co | Railway car diaphragm and buffer structure |
LU72099A1 (de) * | 1974-05-10 | 1975-08-20 | ||
US3996859A (en) * | 1975-04-18 | 1976-12-14 | The Budd Company | Railway vehicle diaphragm face plate assembly |
DE2554072A1 (de) * | 1975-12-02 | 1977-06-16 | Huebner Gummi & Kunststoff | Faltenbalg fuer den uebergang zwischen den einzelnen gliedern von glieder- bzw. gelenkfahrzeugen |
DE3124682C2 (de) * | 1981-06-24 | 1986-04-30 | Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn | Wagenübergangseinrichtung für spurgeführte Hochgeschwindigkeitsfahrzeuge |
FR2571010B1 (fr) * | 1984-10-02 | 1988-03-11 | Regie Autonome Transports | Dispositif d'intercirculation entre deux modules de rame ferroviaire |
FR2583350B1 (fr) * | 1985-06-14 | 1989-04-21 | Caoutchouc Manuf Plastique | Tunnel d'intercirculation entre vehicules |
-
1986
- 1986-05-27 FR FR8607696A patent/FR2599308B1/fr not_active Expired - Lifetime
-
1987
- 1987-04-08 EP EP87400784A patent/EP0248685B1/de not_active Expired - Lifetime
- 1987-04-08 ES ES198787400784T patent/ES2028887T3/es not_active Expired - Lifetime
- 1987-04-08 DE DE8787400784T patent/DE3776407D1/de not_active Expired - Lifetime
- 1987-04-08 AT AT87400784T patent/ATE72181T1/de not_active IP Right Cessation
- 1987-04-30 CA CA000536070A patent/CA1278464C/fr not_active Expired - Lifetime
- 1987-05-27 US US07/054,860 patent/US4819565A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA1278464C (fr) | 1991-01-02 |
DE3776407D1 (de) | 1992-03-12 |
US4819565A (en) | 1989-04-11 |
FR2599308A1 (fr) | 1987-12-04 |
ATE72181T1 (de) | 1992-02-15 |
EP0248685A1 (de) | 1987-12-09 |
ES2028887T3 (es) | 1992-07-16 |
FR2599308B1 (fr) | 1990-03-09 |
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