EP0000905B1 - Road vehicle with two jointedly connected vehicle parts - Google Patents

Road vehicle with two jointedly connected vehicle parts Download PDF

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Publication number
EP0000905B1
EP0000905B1 EP78100641A EP78100641A EP0000905B1 EP 0000905 B1 EP0000905 B1 EP 0000905B1 EP 78100641 A EP78100641 A EP 78100641A EP 78100641 A EP78100641 A EP 78100641A EP 0000905 B1 EP0000905 B1 EP 0000905B1
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EP
European Patent Office
Prior art keywords
articulation
vehicle
another
road vehicle
support arms
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
Application number
EP78100641A
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German (de)
French (fr)
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EP0000905A1 (en
Inventor
Werner Buschenhenke
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.)
HAMBURGER HOCHBAHN AG
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HAMBURGER HOCHBAHN AG
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Application filed by HAMBURGER HOCHBAHN AG filed Critical HAMBURGER HOCHBAHN AG
Publication of EP0000905A1 publication Critical patent/EP0000905A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D47/00—Motor vehicles or trailers predominantly for carrying passengers
    • B62D47/02—Motor vehicles or trailers predominantly for carrying passengers for large numbers of passengers, e.g. omnibus
    • B62D47/025—Motor vehicles or trailers predominantly for carrying passengers for large numbers of passengers, e.g. omnibus articulated buses with interconnecting passageway, e.g. bellows
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60D—VEHICLE CONNECTIONS
    • B60D5/00—Gangways for coupled vehicles, e.g. of concertina type

Definitions

  • the invention relates to a road vehicle with two vehicle parts, which are connected to each other via a joint, which is provided with damping and / or blocking devices, each comprising a pair of support arms on both sides of the joint, the ends of which when the joint is bent in one direction are clamped against each other with stop surfaces.
  • the invention is therefore based on the object of providing a vehicle of the type mentioned at the beginning, the damping device of which operates smoothly.
  • the solution according to the invention is that the cooperating stop surfaces of the support arms are provided with interlocking elevations and depressions which prevent a lateral relative movement.
  • Coupling elements with elevations and depressions preventing lateral relative movement are known (CH-PS 336 862), but they are intended to prevent a relative movement in the transverse direction between the two coupled rail vehicles. This problem does not occur in the road vehicle according to the invention, since both vehicles are connected by a common swivel joint, so that such a lateral relative movement of the two vehicle parts cannot occur at the connection point.
  • the invention also does not consist of providing special additional parts provided with elevations and depressions, but rather to provide parts already provided with such elevations and depressions.
  • the elevations and depressions are expediently designed as teeth on the convexly formed abutment surfaces.
  • the abovementioned stops are provided, which ensure that the support arms with the stop surfaces located thereon assume a defined position in the released state.
  • stop plates are not kept in constant contact with one another, but detach from one another when the joint is bent in the other direction, it is advantageous to keep the support arms detached from one another ready for engagement by means of stops.
  • the front and rear vehicle parts are arranged. Their chassis extend towards each other extensions 3, 4, which are connected by the hinge 5 to the vertical axis, so that they can be adjusted, for example, as shown in FIG. 2 on a left turn.
  • a pair of support arms 6, 7 are provided on each side of the joint and are tensioned against one another by hydraulic devices 10, 11. Of course, other devices than hydraulic could also be provided in order to generate a force on the support arms 6, 7 which supports the joint against excessive or rapid buckling.
  • the support arms 6, 7 are hinged at 19, 20 to the extensions 3, 4.
  • the articulation points are eccentric to the joint 5.
  • the articulation axes 19 and 20 and the articulation axis 5 are parallel to one another and essentially vertical in the operating position.
  • the support arms 6, 7 carry at their ends rigidly connected to the arms pressure plates which form the stop surfaces 12, 13 which are provided with corrugated, interlocking teeth 16, 17.
  • the tooth engagement ensures a uniform and constant engagement even if the supporting forces caused by the hydraulic devices 10, 11 or the friction occurring at the articulation points 19, 20 should be different.
  • the support arms are constantly acted upon by a resilient return force which changes the angle between the Support arms and the longitudinal axis of the vehicle is aimed to reduce. This restoring force can also be generated hydraulically in the cylinders of the devices 10, 11.
  • the abutment surfaces 12, 13 abut one another (FIG. 1).
  • the angle between the support arms lying on the inside of the curve and the longitudinal direction of the vehicle increases while they separate from one another on the other side (FIG. 2 on the right).
  • the position of the support arms is determined by stops 14, 15, against which the support arms are placed under the return force. They then take the same angle to the vehicle's longitudinal axis if they are of the same length. In any case, their stop surfaces are then at an equal distance from the articulation axis 5.
  • the stops 14, 15 are thus positioned such that the teeth of the stop surfaces 12, 13 find the correct engagement again when the vehicle parts return to the straight-ahead position.
  • the toothing can optionally be reduced to one tooth in one pressure plate and to 2 teeth in the counterpressure plate interacting with it.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Body Structure For Vehicles (AREA)
  • Vehicle Body Suspensions (AREA)
  • Fluid-Damping Devices (AREA)

Description

Die Erfindung bezieht sich auf ein Straßenfahrzeug mit zwei Fahrzeugteilen, die über ein Gelenk mieinander verbunden sind, das mit Dämpfungs- und/oder Blockiereinrichtungen versehen ist, die beiderseits des Gelenks je ein Paar von Stützarmen umfassen, deren Enden bei Knickung des Gelenks in einem Richtungssinn mit Anschlagflächen gegeneinander gespannt sind.The invention relates to a road vehicle with two vehicle parts, which are connected to each other via a joint, which is provided with damping and / or blocking devices, each comprising a pair of support arms on both sides of the joint, the ends of which when the joint is bent in one direction are clamped against each other with stop surfaces.

Es sind bei Schienenfahrzeugen Stützarme bekannt, deren Anschlagplatten zwecks besserer Abwälzung konvex gegeneinander gewölbt sind (DE-PS 918 864). Dies führt im allgemeinen, auch bei Straßenfahrzeugen, zu einwandfreier Funktion; jedoch hat man festgestellt, daß in manchen Fällen die Dämpfungskraft sich ruckweise ändert. Man glaubte zunächst, daß für die ruckweise Änderung der Dämpfungskraft irgendwelche Fehler in der Dämpfungshydraulik verantwortlich seien.In the case of rail vehicles, support arms are known whose stop plates are convexly curved against one another for better rolling (DE-PS 918 864). This generally leads to perfect functioning, even with road vehicles; however, it has been found that in some cases the damping force changes jerkily. It was initially believed that any errors in the damping hydraulics were responsible for the jerky change in the damping force.

Die Erfindung liegt daher die Aufgabe zugrunde, ein Fahrzeug der eingangs genannten Art zu schaffen, dessen Dämpfungseinrichtung ruckfrei arbeitet.The invention is therefore based on the object of providing a vehicle of the type mentioned at the beginning, the damping device of which operates smoothly.

Die erfindungsgemäße Lösung besteht darin, daß die zusammenwirkenden Anschlagflächen der Stützarme mit ineinandergreifenden, eine seitliche Relativbewegung verhindernden Erhöhungen und Vertiefungen versehen sind.The solution according to the invention is that the cooperating stop surfaces of the support arms are provided with interlocking elevations and depressions which prevent a lateral relative movement.

Es sind zwar Kupplungselemente mit eine seitliche Relativbewegung verhindernden Erhöhungen und Vertiefungen bekannt (CH-PS 336 862), die jedoch eine Relativbewegung in Querrichtung zwischen den zwei miteinander gekuppelten Schienenfahrzeugen verhindern sollen. Diese Problematik tritt beim erfindungsgemäßen Straßenfahrzeug nicht auf, da beide Fahrzeuge durch ein gemeinsames Drehgelenk verbunden sind, so daß eine solche seitliche Relativbewegung der beiden Fahrzeugteile an der Verbindungsstelle gar nicht auftreten kann. Die Erfindung besteht auch nicht darin, besondere mit Erhöhungen und Vertiefungen versehene zusätzliche Teile vorzusehen, sondem ohnehin vorgesehene Teile mit solchen Erhöhungen und Vertiefungen zu versehen.Coupling elements with elevations and depressions preventing lateral relative movement are known (CH-PS 336 862), but they are intended to prevent a relative movement in the transverse direction between the two coupled rail vehicles. This problem does not occur in the road vehicle according to the invention, since both vehicles are connected by a common swivel joint, so that such a lateral relative movement of the two vehicle parts cannot occur at the connection point. The invention also does not consist of providing special additional parts provided with elevations and depressions, but rather to provide parts already provided with such elevations and depressions.

Durch die erfindungsgemäßen Maßnahmen konnten die ruckartigen Anderungen der Dämpfungskraft vermieden werden. Diese beruht nämlich nicht, wie man zunächst dachte, auf einem fehlerhaften Arbeiten der mit den Stützarmen verbundenen Dämpfungshydraulik, sondern darauf, daß beim Auftreten von unterschiedlichen Dämpfungskräften an den miteinander verbundenen Stützarmen seitliche Relativebewegungen an den Anschlagflächen auftraten, die durch die erfindungsgemäße Ausbildung verhütet werden.The sudden changes in the damping force could be avoided by the measures according to the invention. This is because, as was initially thought, not based on faulty operation of the damping hydraulics associated with the support arms, but rather on the fact that when different damping forces occurred on the interconnected support arms, lateral relative movements occurred on the stop surfaces, which are prevented by the inventive design.

Damit die Anschlagflächen trotz der Erhöhungen und Vertiefungen noch einwandfrei aufeinander abwälzen können, sind die Erhöhungen und Vertiefungen auf den in an sich bekannter Weise konvex ausgebildeten Anschlagflächen zweckmäßigerweise als Verzahnung ausgebildet.So that the abutment surfaces can still roll perfectly against one another despite the elevations and depressions, the elevations and depressions are expediently designed as teeth on the convexly formed abutment surfaces.

Damit die Erhöhungen und Vertiefungen richtig ineinandergreifen, wenn die Anschlagflächen nach einer Lösung voneinander wieder zusammenkommen, sind die oben erwähnten Anschläge vorgesehen, die dafür sorgen, daß die Stützarme mit den daran befindlichen Anschlagflächen im gelösten Zustand eine definierte Stellung einnehmen.So that the elevations and depressions interlock properly when the stop surfaces come together again after a solution from one another, the abovementioned stops are provided, which ensure that the support arms with the stop surfaces located thereon assume a defined position in the released state.

Wenn die Anschlagplatten nicht ständig in gegenseitigem Kontakt gehalten sind, sondern bei einer Knickung des Gelenks in dem anderen Richtungssinn sich voneinander lösen, ist es vorteilhaft, die voneinander gelösten Stützarme durch Anschläge eingriffsbereit zu halten.If the stop plates are not kept in constant contact with one another, but detach from one another when the joint is bent in the other direction, it is advantageous to keep the support arms detached from one another ready for engagement by means of stops.

Die Erfindung wird im folgenden näher unter Bezugnahme auf das in der Zeichnung schematisch dargestellte Ausführungsbeispiel beschrieben. Darin zeigen:

  • Fig. 1 eine schematische Draufsicht auf den Gelenkbereich bei Geradeausfahrt und
  • Fig. 2 eine entsprechende Draufsicht bei Kurvenfahrt.
The invention is described in more detail below with reference to the embodiment shown schematically in the drawing. In it show:
  • Fig. 1 is a schematic plan view of the joint area when driving straight ahead and
  • Fig. 2 shows a corresponding top view when cornering.

Bei 1 und 2 sind der vordere und der hintere Fahrzeugteil angeordnet. Ihre Fahrgestelle strecken einander Fortsätze 3, 4 entgegen, die durch das Gelenk 5 mit vertikaler Achse verbunden sind, so daß sie bei einer Linkskurve sich beispielsweise gemäß Fig. 2 einstellen können.At 1 and 2, the front and rear vehicle parts are arranged. Their chassis extend towards each other extensions 3, 4, which are connected by the hinge 5 to the vertical axis, so that they can be adjusted, for example, as shown in FIG. 2 on a left turn.

Auf jeder Gelenkseite ist ein Paar von Stützarmen 6, 7 vorgesehen, die durch hydraulische Einrichtungen 10, 11 gegeneinander gespannt werden. Selbstverständlich könnten aber auch andere Einrichtungen als hydraulische vorgesehen sein, um an den Stützarme 6, 7 eine Kraft zu erzeugen, die das Gelenk gegenüber einer übermäßigen oder zu raschen Knickung abstützt. Die Stützarme 6, 7 sind bei 19, 20 an den Fortsätzen 3, 4 angelenkt. Die Anlenkpunkte liegen exentrisch zu dem Gelenk 5. Die Anlenkachsen 19 und 20 sowie die Gelenkachse 5 sind zueinander parallel und in Betriebsstellung im wesentlichen vertikal.A pair of support arms 6, 7 are provided on each side of the joint and are tensioned against one another by hydraulic devices 10, 11. Of course, other devices than hydraulic could also be provided in order to generate a force on the support arms 6, 7 which supports the joint against excessive or rapid buckling. The support arms 6, 7 are hinged at 19, 20 to the extensions 3, 4. The articulation points are eccentric to the joint 5. The articulation axes 19 and 20 and the articulation axis 5 are parallel to one another and essentially vertical in the operating position.

Die Stützarme 6, 7 tragen an ihren Enden starr mit den Armen verbundene Druckplatten, die die Anschlagflächen 12, 13 bilden, die mit gewellten, ineinandergreifenden Zahnungen 16, 17 versehen sind. Der Zahneingriff sorgt für einen gleichmäßen und gleichbleibenden Eingriff selbst dann, wenn die durch die hydraulischen Einrichtungen 10, 11 verursachten Stützkräfte oder die an den Anlenkpunkten 19, 20 auftretenden Reibungen unterschiedlich sein sollten. Die Stützarme sind zusätzlich zu der Dämpfungskraft, die hydraulisch in den Zylindern der Einrichtungen 10, 11 erzeugt werden kann, ständig von einer nachgiebigen Rückführkraft beaufschlagt, die den Winkel zwischen den Stützarmen und der Fahrzeuglängsachse zu verkleinern bestrebt ist. Diese Rückstellkraft kann auch hydraulisch in den Zylindern der Einrichtungen 10, 11 erzeugt werden.The support arms 6, 7 carry at their ends rigidly connected to the arms pressure plates which form the stop surfaces 12, 13 which are provided with corrugated, interlocking teeth 16, 17. The tooth engagement ensures a uniform and constant engagement even if the supporting forces caused by the hydraulic devices 10, 11 or the friction occurring at the articulation points 19, 20 should be different. In addition to the damping force that can be generated hydraulically in the cylinders of the devices 10, 11, the support arms are constantly acted upon by a resilient return force which changes the angle between the Support arms and the longitudinal axis of the vehicle is aimed to reduce. This restoring force can also be generated hydraulically in the cylinders of the devices 10, 11.

Bei Geradeausfahrt liegen die Anschlagflächen 12, 13 aneinander an (Fig. 1). Bei Kurvenfahrt vergrößert sich der Winkel zwischen den auf der Kurveninnenseite liegenden Stützarmen und der Fahrzeuglängsrichtung (Fig. 2 links) während sie sich auf der anderen Seite (Fig. 2 rechts) voneinander lösen. In diesem voneinander gelösten Zustand wird die Stellung der Stützarme durch Anschläge 14, 15 bestimmt, an die sich die Stützarme unter der Rückführkraft anlegen. Sie nehmen dann gleiche Winkel zur Fahrzeuglängsachse ein, wenn sie gleich lang sind. Jedenfalls haben ihre Anschlagflächen dann einen gleichen Abstand von der Gelenkachse 5. Die Anschläge 14, 15 sind also derart positioniert, daß die Zähne der Anschlagflächen 12, 13 wieder den richtigen Eingriff finden, wenn die Fahrzeugteile in die Geradeausstellung zurückkehren. Die Verzahnung kann gegebenenfalls auf einen Zahn in der einen Druckplatte und auf 2 Zähne in der damit zusammenwirkenden Gegendruckplatte reduziert werden.When driving straight ahead, the abutment surfaces 12, 13 abut one another (FIG. 1). When cornering, the angle between the support arms lying on the inside of the curve and the longitudinal direction of the vehicle (FIG. 2 on the left) increases while they separate from one another on the other side (FIG. 2 on the right). In this released state, the position of the support arms is determined by stops 14, 15, against which the support arms are placed under the return force. They then take the same angle to the vehicle's longitudinal axis if they are of the same length. In any case, their stop surfaces are then at an equal distance from the articulation axis 5. The stops 14, 15 are thus positioned such that the teeth of the stop surfaces 12, 13 find the correct engagement again when the vehicle parts return to the straight-ahead position. The toothing can optionally be reduced to one tooth in one pressure plate and to 2 teeth in the counterpressure plate interacting with it.

Claims (3)

1. A road vehicle with two vehicle parts which are interconnected via an articulation which is provided with damping and/or locking devices which, on either side of the articulation, each comprise a pair of supporting arms, the ends of which during hinging of the articulation in one direction are pressed against one another with stop faces, characterised in that the co-operating stop faces (12, 13) of the supporting arms (6, 7) are provided with protuberances (16) and recesses (17) which engage one another and prevent any lateral relative movement.
2. A road vehicle according to claim 1, characterised in that the stop faces (12, 13) are convexly curved about axes lying parallel to the articulation axis and are provided with teeth.
3. A road vehicle according to claim 1 or claim 2, characterised in that the stop faces (12, 13) of the supporting arms are disengaged from one another during hinging of the articulation in the other direction and are kept by stops (14, 15) in a position ready for engagement.
EP78100641A 1977-08-25 1978-08-10 Road vehicle with two jointedly connected vehicle parts Expired EP0000905B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2738311 1977-08-25
DE2738311A DE2738311C3 (en) 1977-08-25 1977-08-25 Road vehicle with two vehicle parts connected to one another by a joint

Publications (2)

Publication Number Publication Date
EP0000905A1 EP0000905A1 (en) 1979-03-07
EP0000905B1 true EP0000905B1 (en) 1980-08-20

Family

ID=6017268

Family Applications (1)

Application Number Title Priority Date Filing Date
EP78100641A Expired EP0000905B1 (en) 1977-08-25 1978-08-10 Road vehicle with two jointedly connected vehicle parts

Country Status (9)

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US (1) US4168848A (en)
EP (1) EP0000905B1 (en)
JP (1) JPS5445027A (en)
BR (1) BR7805480A (en)
CA (1) CA1096898A (en)
DE (2) DE2738311C3 (en)
GB (1) GB1599577A (en)
HU (1) HU176106B (en)
IT (1) IT1103058B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2748713C2 (en) * 1977-10-29 1986-11-27 Daimler-Benz Ag, 7000 Stuttgart Device for influencing the articulation angle for an articulated pull
DE2945441C2 (en) * 1979-11-10 1987-08-20 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8000 München Breakaway protection device for articulated vehicles
DE3030015A1 (en) * 1980-08-08 1982-04-01 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8000 München ARTICULATED VEHICLE, ESPECIALLY OMNIBUS
FR2614847B1 (en) * 1987-05-06 1991-04-05 Lohr Sa SHORT HITCH WITH VARIABLE GEOMETRY FOR TRAILERS
EP2361682A1 (en) 2010-02-23 2011-08-31 Bayer MaterialScience AG Catalyst for chlorine production
CN102152719B (en) * 2011-02-15 2012-09-19 伊卡路斯(苏州)车辆系统有限公司 Damping control buffering system with high integration
CN110906164B (en) * 2019-12-09 2021-07-09 永州新奥燃气有限公司 Stable LNG skid-mounted gas filling device convenient for pressure regulation

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE691015C (en) * 1936-10-29 1940-05-14 Siemens Schuckertwerke Akt Ges Articulated or bogie locomotive
DE918864C (en) * 1941-03-20 1954-10-07 Creusot Forges Ateliers Device for preventing rolling of rail vehicles with bogies
DE1057163B (en) * 1955-06-08 1959-05-14 Linke Hofmann Busch Stabilizing device for multi-part traction units
BE541823A (en) * 1955-06-21
BE637555A (en) * 1962-09-18
US3730555A (en) * 1971-04-09 1973-05-01 A Keller Pivot limiting assembly
US3740076A (en) * 1972-01-07 1973-06-19 J Cupp Anti-jacknifing trailer coupling
DE2420203B2 (en) * 1974-04-26 1979-07-12 Hamburger Hochbahn Ag, 2000 Hamburg Device for protecting an articulated road vehicle against excessive buckling

Also Published As

Publication number Publication date
IT7809571A0 (en) 1978-08-22
JPS5445027A (en) 1979-04-10
BR7805480A (en) 1979-05-08
DE2738311A1 (en) 1979-03-08
CA1096898A (en) 1981-03-03
US4168848A (en) 1979-09-25
DE2738311B2 (en) 1979-08-30
EP0000905A1 (en) 1979-03-07
DE2738311C3 (en) 1980-05-22
GB1599577A (en) 1981-10-07
DE2860238D1 (en) 1980-12-04
IT1103058B (en) 1985-10-14
HU176106B (en) 1980-12-28

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