EP0568042B1 - Bogie for railway vehicles - Google Patents
Bogie for railway vehicles Download PDFInfo
- Publication number
- EP0568042B1 EP0568042B1 EP93106900A EP93106900A EP0568042B1 EP 0568042 B1 EP0568042 B1 EP 0568042B1 EP 93106900 A EP93106900 A EP 93106900A EP 93106900 A EP93106900 A EP 93106900A EP 0568042 B1 EP0568042 B1 EP 0568042B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spring elements
- bogie
- gas
- bogie according
- separate
- 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
- 239000000725 suspension Substances 0.000 claims abstract 3
- 239000007788 liquid Substances 0.000 claims description 6
- 238000013016 damping Methods 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/26—Mounting or securing axle-boxes in vehicle or bogie underframes
- B61F5/30—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes
- B61F5/307—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes incorporating fluid springs
Definitions
- the invention relates to a bogie according to the preamble of the first claim.
- the invention has for its object to take measures in a rail vehicle bogie having at least two axes according to the preamble of the first claim, by means of which a three-point bearing can be realized in a simple manner.
- the desired three-point bearing is achieved by the simultaneous use of separate spring elements and interconnected spring elements, which increases safety against derailment, since no more differences can occur in the wheel contact forces on the (theoretically) centrally mounted wheel pair.
- a common gas storage for the two interconnected spring elements is connected to the connecting line.
- the interconnected spring elements can be provided with damping in the form of a throttle at the transition to the connected line, while the separate spring elements can be provided with damping in the form of a throttle directly on the piston.
- the gas volume can be arranged in the spring elements, or gas stores as external elements are connected to the spring elements, part of the liquid volume and the gas volume being arranged in the gas stores. If the spring elements are provided with gas and oil fillings, the height of the spring elements can be regulated, for example, by refilling or draining the liquid.
- the spring elements 1, 3 of a bogie are shown here, the upper spring elements 1 being arranged on one bogie side (longitudinally) and the lower spring elements 3 being arranged on the other bogie side.
- All spring elements 1, 3 consist of a cylinder 2 and a piston 8 guided therein and act on a hydropneumatic basis. While the upper spring elements 1 are connected to one another via a connecting line 15 and a common gas reservoir 12 is connected to this connecting line 15, the gas reservoir 11 is integrated into the lower, separately arranged spring elements 3. Accordingly, the damping valves 9, 10 are different, namely in the case of the connected spring elements 1 at the transition to the connecting line and in the separate spring elements 3 on the piston.
- the separate spring elements 3 have a gas and oil filling 5, while the connected spring elements 1 have separate gas and oil fillings 6, 7. All spring elements 1, 3 have vents 4.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- Escalators And Moving Walkways (AREA)
- Platform Screen Doors And Railroad Systems (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
Description
Die Erfindung betrifft ein Drehgestell gemäß dem Oberbegriffs des ersten Anspruchs.The invention relates to a bogie according to the preamble of the first claim.
Bei einem bekannten Drehgestell (GB-A-1 148 003), das für ein Schienenfahrzeug vorgesehen ist, befindet sich zwischen der Achse eines Schienenrades und dem zugehörigen Drehgestell ein hydropneumatisches Federelement, das aus einem Zylinder und einem darin dicht geführten verschiebbaren Kolben besteht. Innerhalb des Federelements befindet sich ein geschlossener Gasraum, während der übrige Teil des Volumens mit Flüssigkeit gefüllt ist. Um dabei den Abstand zwischen der Achse und dem Drehgestell konstant halten zu können, sitzt die Achse an einem zweiarmigen Wiegehebel, auf dessen einen Arm das Federelement und auf dessen anderem Arm eine hydraulische Stützeinrichtung einwirkt. Die hydraulische Stützeinrichtung, wie das Flüssigkeitsvolumen des Federelements, ist an eine hydraulische Steuereinrichtung angeschlossen, welche eine eigene Pumpe und eine Vielzahl von Steuerelementen aufweist. Von Nachteil ist hierbei der erhebliche mechanische und hydropneumatische Aufwand, wobei die Steuerung auf gleichen Abstand zwischen Radachse und Drehgestell keine Erhöhung der Entgleisungssicherheit bringt.In a known bogie (GB-A-1 148 003), which is intended for a rail vehicle, there is a hydropneumatic spring element between the axis of a rail wheel and the associated bogie, which spring element consists of a cylinder and a displaceable piston sealed therein. A closed gas space is located within the spring element, while the remaining part of the volume is filled with liquid. In order to be able to keep the distance between the axle and the bogie constant, the axle is seated on a two-armed weighing lever, on one arm of which the spring element and on the other arm of which a hydraulic support device acts. The hydraulic support device, like the liquid volume of the spring element, is connected to a hydraulic control device which has its own pump and a large number of control elements. A disadvantage here is the considerable mechanical and hydropneumatic effort, the control at the same distance between the wheel axle and bogie does not increase derailment security.
Daneben ist es bei einem geländegängigen Kraftfahrzeug bekannt (US-A-4,798,398), den beiden Rädern einer Achse hydropneumatische Federelemente zuzuordnen, die über eine Leitung hydraulisch zusammengeschaltet sind. Dadurch wird erreicht, daß im unebenen Gelände eine Vergleichmäßigung der Radbelastung eintritt.In addition, it is known in an all-terrain motor vehicle (US-A-4,798,398) to assign the two wheels of one axle to hydropneumatic spring elements which are hydraulically connected via a line. This ensures that the wheel load is evened out in uneven terrain.
Der Erfindung liegt die Aufgabe zugrunde, bei einem wenigstens zwei Achsen aufweisenden Schienenfahrzeug-Drehgestell gemäß dem Oberbegriff des ersten Anspruchs Maßnahmen zu treffen, durch welche auf einfache Weise eine Dreipunktlagerung zu realisieren ist.The invention has for its object to take measures in a rail vehicle bogie having at least two axes according to the preamble of the first claim, by means of which a three-point bearing can be realized in a simple manner.
Die Lösung dieser Aufgabe erfolgt gemäß der Erfindung durch die kennzeichnenden Merkmale des ersten Anspruchs.This object is achieved according to the invention by the characterizing features of the first claim.
Bei einem Aufbau eines Drehgestells gemäß der Erfindung wird die angestrebte Dreipunktlagerung durch die gleichzeitige Anwendung von separaten Federelementen und von zusammengeschalteten Federelementen erreicht, wodurch die Entgleisungssicherheit erhöht wird, da keine Unterschiede mehr in den Radaufstandskräften an dem (theoretisch) mittig gelagerten Radpaar auftreten können. Dabei ist es vorteilhaft, wenn ein gemeinsamer Gasspeicher für die beiden zusammengeschalteten Federelemente an die Verbindungsleitung angeschlossen ist. Auch ist es zweckmäßig, die zusammengeschalteten Federelemente mit einer Dämpfung in Form einer Drossel am Übergang zur angeschlossenen Leitung zu versehen, während die separaten Federelemente mit einer Dämpfung in Form einer Drossel unmittelbar am Kolben versehen sein können. Das Gasvolumen kann in den Federelementen angeordnet sein, oder es sind an den Federelementen Gasspeicher als externe Elemente angeschlossen, wobei in den Gasspeichern ein Teil des Flüssigkeitsvolumens und das Gasvolumen angeordnet ist. Werden die Federelemente mit Gas- und Ölbefüllungen versehen, dann kann beispielsweise durch Nachfüllen oder Ablassen der Flüssigkeit die Höhe der Federelemente reguliert werden.In the construction of a bogie according to the invention, the desired three-point bearing is achieved by the simultaneous use of separate spring elements and interconnected spring elements, which increases safety against derailment, since no more differences can occur in the wheel contact forces on the (theoretically) centrally mounted wheel pair. It is advantageous if a common gas storage for the two interconnected spring elements is connected to the connecting line. It is also expedient to provide the interconnected spring elements with damping in the form of a throttle at the transition to the connected line, while the separate spring elements can be provided with damping in the form of a throttle directly on the piston. The gas volume can be arranged in the spring elements, or gas stores as external elements are connected to the spring elements, part of the liquid volume and the gas volume being arranged in the gas stores. If the spring elements are provided with gas and oil fillings, the height of the spring elements can be regulated, for example, by refilling or draining the liquid.
Im Folgenden wird eine Ausführungsform der Erfindung anhand einer Zeichnung beispielhaft näher erläutert.An embodiment of the invention is explained in more detail below by way of example with reference to a drawing.
Es sind hier die Federelemente 1, 3 eines Drehgestells gezeigt, wobei die oberen Federelemente 1 an einer Drehgestellseite (längs) und die unteren Federelemente 3 an der anderen Drehgestellseite angeordnet sind. Alle Federelemente 1, 3 bestehen aus einem Zylinder 2 und einem darin geführten Kolben 8 und wirken auf hydropneumatischer Basis. Während die oberen Federelemente 1 über eine Verbindungsleitung 15 miteinander verbunden sind und an diese Verbindungsleitung 15 ein gemeinsamer Gasspeicher 12 angeschlossen ist, ist der Gasspeicher 11 bei den unteren, separat angeordneten Federelementen 3 in diesen integriert. Entsprechend sind die Dämpfungsventile 9, 10 unterschiedlich, nämlich bei den verbundenen Federelementen 1 an dem Übergang zur Verbindungsleitung und bei den separaten Federelementen 3 am Kolben angeordnet. Die separaten Federelemente 3 weisen eine Gas- und Ölbefüllung 5 auf, während bei den verbundenen Federelementen 1 getrennte Gas- und Ölbefüllungen 6, 7 vorhanden sind. Alle Federelemente 1, 3 weisen Entlüftungen 4 auf.The
Claims (8)
- A bogie for railway vehicles having a primary suspension associated with the wheels, and hydropneumatic spring elements (1, 3) comprising a cylinder (2) and a piston (8) with associated liquid and gas volumes, wherein at least a part (13) of the liquid volume is disposed in the spring elements (1, 3), characterized in that at least two axles for wheel sets or loose wheel pairs are provided, and in that on the one hand both spring elements (1) of a wheelset or loose wheel pair, or the spring elements (1) of one side of the bogie, are interconnected by way of a line (15), and on the other hand the remaining spring elements (3) are separate.
- A bogie according to claim 1, characterized in that the interconnected spring elements (1) are provided with damping in the form of a throttle (9) at the transition to the connected line (15).
- A bogie according to claim 1 or 2, characterized in that the separate spring elements (3) are provided with damping in the form of a throttle (10) on the piston (8).
- A bogie according to claim 1 or 3, characterized in that the gas volume (11) is disposed in the separate spring elements (3).
- A bogie according to claim 1 or one of the following, characterized in that gas reservoirs (12) are connected as external elements to the interconnected spring elements (1), wherein a part (14) of the fluid volume and the gas volume are disposed in the gas reservoirs (12).
- A bogie according to claim 1 or 2, characterized in that a common gas reservoir (12) for both interconnected spring elements (1) is connected to the connecting line (15).
- A bogie according to claim 1 or one of the following, characterized in that the separate spring elements (3) have a gas and oil inlet (5).
- A bogie according to claim 1 or one of the following, characterized in that the interconnected spring elements (1) have separate gas and oil inlets (6, 7).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4214055 | 1992-04-29 | ||
| DE4214055 | 1992-04-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0568042A1 EP0568042A1 (en) | 1993-11-03 |
| EP0568042B1 true EP0568042B1 (en) | 1996-08-28 |
Family
ID=6457722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP93106900A Expired - Lifetime EP0568042B1 (en) | 1992-04-29 | 1993-04-28 | Bogie for railway vehicles |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0568042B1 (en) |
| AT (1) | ATE141873T1 (en) |
| DE (1) | DE59303536D1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT407032B (en) * | 1999-02-19 | 2000-11-27 | Siemens Sgp Verkehrstech Gmbh | SPRING FOR A RAIL VEHICLE |
| EP2527171A1 (en) * | 2008-11-18 | 2012-11-28 | Hemscheidt Fahrwerktechnik GmbH & Co. KG | Damping system for vehicles |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH203299A (en) * | 1938-04-27 | 1939-06-01 | Schweizerische Lokomotiv | Hydraulic shock absorber with a vertical cylinder containing the oil for damping. |
| GB1148003A (en) * | 1965-06-04 | 1969-04-10 | Skoda Np | Improvements in or relating to apparatus for automatic regulation of hydropneumaticsuspension systems |
| IT1196653B (en) * | 1979-07-26 | 1988-11-25 | Fiat Auto Spa | OLEOPNEUMATIC SHOCK ABSORBER |
| US4798398A (en) * | 1987-08-12 | 1989-01-17 | Unit Rig & Equipment Co. | Dual rate equalizer suspension |
| DE4108801A1 (en) * | 1991-03-18 | 1992-09-24 | Gerhold Dipl Ing Sames | Hydropneumatic spring damper for railed vehicles - has piston rod guide with outer flange of sleeve resting on underneath of cylinder |
-
1993
- 1993-04-28 AT AT93106900T patent/ATE141873T1/en not_active IP Right Cessation
- 1993-04-28 EP EP93106900A patent/EP0568042B1/en not_active Expired - Lifetime
- 1993-04-28 DE DE59303536T patent/DE59303536D1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0568042A1 (en) | 1993-11-03 |
| ATE141873T1 (en) | 1996-09-15 |
| DE59303536D1 (en) | 1996-10-02 |
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