DE2849015A1 - Stabiliser for lorry with pneumatic suspension - has rod resiliently supported on chassis via two double-acting hydraulic vibration dampers - Google Patents
Stabiliser for lorry with pneumatic suspension - has rod resiliently supported on chassis via two double-acting hydraulic vibration dampersInfo
- Publication number
- DE2849015A1 DE2849015A1 DE19782849015 DE2849015A DE2849015A1 DE 2849015 A1 DE2849015 A1 DE 2849015A1 DE 19782849015 DE19782849015 DE 19782849015 DE 2849015 A DE2849015 A DE 2849015A DE 2849015 A1 DE2849015 A1 DE 2849015A1
- Authority
- DE
- Germany
- Prior art keywords
- stabiliser
- stabilizer
- vibration damper
- double
- acting hydraulic
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
- B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
- B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
- B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
- B60G21/055—Stabiliser bars
- B60G21/0551—Mounting means therefor
- B60G21/0553—Mounting means therefor adjustable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G15/00—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
Description
Stahilisatoranordnung fr KraftfahrzeugeSteel sterilizer arrangement for motor vehicles
Die Erfindung betrifft eine Stabilisatoranordnung für Kraftfahrzeuge, insbesondere luftgefederte Nutzfahrzeuge, bei der der Stabilisatorstab über zwei Abstützungen drehbar und nachgiebig mit der Karosserie verbunden ist.The invention relates to a stabilizer arrangement for motor vehicles, especially air-sprung commercial vehicles in which the stabilizer bar has two Supports are rotatable and resiliently connected to the body.
Insbesondere bei luftgefederten Fahrzeugen wird die Stabilisierung um die Fahrzeuglängsachse zum größten Teil iiber Stabilisatoren bewirkt, und zwar weitgehend ungedämpft, da insoweit als Dämpfungsglieder lediglich die Achsschwingungsdämpfer ansprechen, diese aber auf wesentlich höhere Frequenzbereiche abgestimmt sind, als sie bei Aufbaubewegungen um die Fahrzeuglängsachse, also Wankschwingungen auftreten.Stabilization is particularly important in vehicles with air suspension about the longitudinal axis of the vehicle for the most part via stabilizers, namely largely undamped, since only the axle vibration damper is used as damping elements respond, but these are tuned to much higher frequency ranges than they occur during body movements around the vehicle's longitudinal axis, i.e. rolling vibrations.
Gerade bei luftgefederten Fahrzeugen wirkt sich dies im Hinblick auf den Fahrkomfort sehr nachteilig aus, da wegen der dort gegebenen, nahezu ausscllließlichen Stabilisierung über den Stabilisator verhältnismäßig stark dimensionierte und harte Stabilisatoren Verwendung finden müssen, die insbesondere bei geringer Beladung sehr hart ansprechen und so den Fahrkomfort erheblich beeinträchtigen.This has an effect on vehicles with air suspension in particular the driving comfort is very disadvantageous, because because of the given there, almost exclusive stabilization relatively large dimensions over the stabilizer and hard stabilizers have to be used, especially with low Responding to the load very hard and thus significantly impairing driving comfort.
Der Erfindung liegt die Aufgabe zugrunde, die genannten Nachteile zu beseitigen und einen wesentlich höheren Anteil der Wankschwingungen zu dämpfens ohne daß umgekehrt wegen harter Achsdämpfung eine Fahrkomforteinbuße hingenommen werden muß.The invention is based on the stated disadvantages to eliminate and to dampen a significantly higher proportion of the rolling vibrations without, conversely, accepting a loss of driving comfort due to hard axle damping must become.
Gemäß der Erfindung wird dies bei einer Stabilisatoranordnung der eingangs genannten Art dadurch erreicht, daß die Abstützungen jeweils einen zweiseitig wirkenden hydraulischen Schwingungsdämpfer umfassen. Diese Art der Ausgestaltung, bei der bezüglich des Stabilisators eine Hintereinanderschaltung von Federung und Dämpfung gegeben ist, erbringt ohne Beeinflussung der Achsfederung eine Dämpfung der Wankbewegungen des Aufbaus um die Fahrzeuglängsachse. Die Dämpfung um die Null-Lage ist bei dieser Ausgestaltung zweckmäßigerweise ausgeschaltet, bevorzugt durch Kunschluß über einen Bypaß, damit durch die Dämpfungshysterese keine unzulässig lange Schräglage des Aufbaus verursacht wird.According to the invention, this is the case with a stabilizer arrangement The type mentioned at the beginning is achieved in that the supports each have one on both sides acting hydraulic vibration damper include. This type of design, with respect to the stabilizer a series connection of suspension and Damping is given, results in damping without influencing the axle suspension the rolling movements of the body around the vehicle's longitudinal axis. The attenuation around the zero position is expediently switched off in this embodiment, preferably by means of a connection via a bypass, so that the damping hysteresis does not result in an inadmissibly long incline of the build-up.
Weiter erweist es sich als zweckmäßig, wenn die Dämpfungscharakteristik lastabhängig veränderbar ist, und zwar im Hinblick auf eine Verhärtung mit zunehmender Last, um eine Abstimmung auf den jeweiligen Beladungszustand vorzunehmen. Insbesondere ergibt sich mit dieser Abstimmung auch ein weicheres Ansprechen des Stabilisators bei geringerer Beladung, was im Hinblick auf den Federungskomfort insbesondere bei Nutzfahrzeugen von Bedeutung ist.It also proves to be useful if the damping characteristics Can be changed as a function of the load, with a view to hardening with increasing Load, in order to adjust to the respective load condition. In particular arises with this Vote also a softer response of the stabilizer with a lower load, which is in terms of suspension comfort is particularly important for commercial vehicles.
Im Rahmen der Erfindung kann es zweckmäßig sein, den hydraulischen Schwingungsdämpfer auf seine Null-Lage hin elastisch, beispielsweise über Federn vorzuspannen, um die Null-Lage zu stabilisieren.In the context of the invention, it may be useful to use the hydraulic Vibration damper is elastic towards its zero position, for example via springs preload to stabilize the zero position.
Die Erfindung wird nachfolgend anhand eines Ausführungsbeispieles näher erläutert, wobei Fig. 1 eine schematische Gesamtdarstellung zeigt, während Fig. 2 im Schema eine vergrößerte Darstellung eines verwendeten Schwingungsdämpfers zeigt.The invention is explained below using an exemplary embodiment explained in more detail, FIG. 1 showing a schematic overall representation while FIG. 2 is an enlarged diagram of a vibration damper used shows.
In der Darstellung gemäß Fig. 1 ist mit 1 die Achse bezeichnet, auf der die Räder 2 endseitig gelagert sind und die über Federn 3, wie bei 4 angedeutet, gegen den Fahrzeugaufbau abgestützt ist. Die Federn 3 sind hier nur symbolisch dargestellt und es können als solche Federn Schrauben- oder Blattfedern, insbesondere aber Luftfederelemente Verwendung finden.In the illustration according to FIG. 1, 1 denotes the axis, on which the wheels 2 are mounted at the ends and which are via springs 3, as indicated at 4, is supported against the vehicle body. The springs 3 are shown here only symbolically and coil springs or leaf springs, but in particular air spring elements, can be used as such springs Find use.
An der Achse 1 sind die Arme 5 eines insgesamt U-förmigen Stabilisatorp angelenkt, dessen Stabilisatorstab 7, wie bei 4 angedeutet, gegen den Fahrzeugaufbau abgestützt ist. Die Abstützung erfolgt über zweiseitig wirkende hydraulische Schwingungsdämpfer 8.On the axis 1 are the arms 5 of a generally U-shaped Stabilizerp hinged, the stabilizer bar 7, as indicated at 4, against the vehicle body supported is. The support is provided by double-acting hydraulic vibration damper 8.
Fig. 2 veranschaulicht, daß die Schwingungsdämpfer 8 durch Hydraulikzylinder gebildet sind, bei denen eine der Konstruktionslage entsprechende, mittlere Null-Lage für den Dämpferkolben 9 vorgesehen ist. Um die Null-Lage ist die Dämpfung dabei dadurch zumindest weitgehend ausgeschaltet, daß ein Bypaß lo vorgesehen ist, ber den die beiderseits des Dämpferkolbens 9 liegenden Kammern 11 und 12 kurzgeschlossen sind, solange der Dämpferkolben 9 eine der Null-Lage im wesentlichen entsprechende Mittellage einnimmt. Durch die vorgesehene, um die Null-Lage gegebene Kurzschlußschaltung ist gewährleistet, daß durch die Dämpfungshysterese keine unzulässig lange Schräglage des Aufbaus verursacht wird. Zwischen den beiden Kammern 11 und 12 des Dämpferzylinders ist ferner eine Leitungsverbindung 13 vorgesehen, in der ein Dämpfungsventil 14 angeordnet ist, das lastabhängig, also in Abhängigkeit vom Beladungszustand des Fahrzeuges angesteuert wird, wobei der Durchflußquerschnitt mit zunehmender Last verkleinert und damit bei geringer Last, also bei geringer B-ladung in erwünschter Weise ein weicheres Ansprechen des Stabilisators erreicht wird, da die durch die Schwingungsdämpfer 8 gebildeten Abstützungen über den vorgesehenen Dämpferwerg nachgeben können und somit die Stabilisierungswirkung im wesentlichen erst dann zum Tragen kommt, wenn die Dämpfer ihre Endlagen erreicht haben.Fig. 2 illustrates that the vibration damper 8 by hydraulic cylinders are formed in which a mean zero position corresponding to the construction position for the damper piston 9 is provided. The attenuation is included around the zero position thereby at least largely switched off that a bypass lo is provided, over the chambers 11 and 12 lying on both sides of the damper piston 9 are short-circuited are, as long as the damper piston 9 is one of the zero position substantially corresponding Occupies central position. By the provided short-circuit circuit around the zero position it is guaranteed that the damping hysteresis does not result in an impermissibly long inclination of the build-up. Between the two chambers 11 and 12 of the damper cylinder a line connection 13 is also provided, in which a damping valve 14 is arranged, the load-dependent, so depending on the load status of the Vehicle is controlled, the flow cross-section with increasing load smaller and therefore more desirable with a low load, i.e. with a low B-charge Way, a softer response of the stabilizer is achieved, since the through the Vibration damper 8 supports formed over the intended damper tow give can and thus the stabilizing effect essentially only then to bear comes when the dampers have reached their end positions.
Mit der erfindungsgemäßen Stabilisierungsanordnung läßt sich damit eine Gesamtfederkennlinie der Stabilisierung, also eine Stabilisator- und Aufhängungskennlinie erreichen, die geknickt ist, so daß den unterschiedlichen Anforderungen an das Gesamtstabilisierungsmoment besser Rechnung getragen werden kann.With the stabilization arrangement according to the invention can thus an overall spring characteristic of the stabilization, i.e. a stabilizer and suspension characteristic achieve that is kinked, so that the different requirements on the total stabilizing moment can be better taken into account.
Die Null-Lage des Dämpferkolbens ist bei der erfindungsgemäßen Lösung durch zwei einander entgegenwirkende und den Kolben 9 entgegengesetzt beaufschlagende Federn 15 und 16 bestimmt, deren Kräfte entsprechend den auf den Schwingungsdämpfer der Ruhelage wirkenden Lasten festgelegt sind. Die Federn 15 und 16 sind hier nur symbolisch dargestellt.The zero position of the damper piston is in the solution according to the invention by two opposing and oppositely acting on the piston 9 Springs 15 and 16 determined whose forces correspond to those on the vibration damper the loads acting on the rest position are specified. The springs 15 and 16 are here only represented symbolically.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19782849015 DE2849015A1 (en) | 1978-11-11 | 1978-11-11 | Stabiliser for lorry with pneumatic suspension - has rod resiliently supported on chassis via two double-acting hydraulic vibration dampers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19782849015 DE2849015A1 (en) | 1978-11-11 | 1978-11-11 | Stabiliser for lorry with pneumatic suspension - has rod resiliently supported on chassis via two double-acting hydraulic vibration dampers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2849015A1 true DE2849015A1 (en) | 1980-05-22 |
Family
ID=6054437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19782849015 Withdrawn DE2849015A1 (en) | 1978-11-11 | 1978-11-11 | Stabiliser for lorry with pneumatic suspension - has rod resiliently supported on chassis via two double-acting hydraulic vibration dampers |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE2849015A1 (en) |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3415869A1 (en) * | 1984-04-28 | 1985-10-31 | Daimler-Benz Ag, 7000 Stuttgart | Device for influencing the roll suspension of vehicles |
| EP0270327A1 (en) * | 1986-12-01 | 1988-06-08 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Spring-constant variable stabilizer device |
| DE3740244A1 (en) * | 1987-11-27 | 1989-06-08 | Daimler Benz Ag | STABILIZER FOR MOTOR VEHICLES |
| DE4135928A1 (en) * | 1991-10-31 | 1993-05-06 | Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De | Stabiliser for motor vehicle axle - has springs, acting directly on cylinder of piston/cylinder unit |
| EP0648625A1 (en) * | 1993-10-19 | 1995-04-19 | Anton Pfeifer | Stabiliser for motor vehicle |
| DE19510719A1 (en) * | 1995-03-24 | 1996-09-26 | Bayerische Motoren Werke Ag | Fixing device with rubber bearings for stabiliser of vehicle |
| EP0829383A3 (en) * | 1996-09-16 | 1999-04-14 | General Motors Corporation | Latchable stabiliser bar actuator |
| WO2003008214A1 (en) * | 2001-07-17 | 2003-01-30 | Daimlerchrysler Ag | Device for roll stabilization of vehicles |
| WO2007033653A1 (en) * | 2005-09-21 | 2007-03-29 | Zf Friedrichshafen Ag | Vehicle having anti-roll bar |
| WO2008054265A1 (en) | 2006-11-01 | 2008-05-08 | Volvo Lastvagnar Ab | A stabilizing device for a heavy vehicle |
| DE202013002373U1 (en) | 2013-03-12 | 2013-04-09 | Piotr Kubinski | Device for self-hardening the damping of a roll motion damper for a motor vehicle |
| DE202013007733U1 (en) | 2013-08-30 | 2013-10-15 | Piotr Kubinski | Extended device for self-hardening the damping of a roll motion damper for a motor vehicle |
| DE102012010297A1 (en) * | 2012-05-24 | 2013-11-28 | Piotr Kubinski | Device for e.g. connecting wheels of axle of passenger car, has pipe lower-suspended at sides of vehicle with connecting elements under carriage or frames of vehicle, where connecting elements are designed as shock absorber and coupling rod |
| FR3037280A1 (en) * | 2015-06-09 | 2016-12-16 | Peugeot Citroen Automobiles Sa | ANTI-DEVICE SYSTEM COMPRISING AUTOMATICALLY VARIABLE STIFFEN BARRIERS |
| US20230271473A1 (en) * | 2021-12-20 | 2023-08-31 | Fox Factory, Inc. | Electronically controlled sway bar damping link |
| US12263711B2 (en) | 2020-12-17 | 2025-04-01 | Fox Factory, Inc. | Automated control system for an electronically controlled sway bar link |
| US12270062B2 (en) | 2017-09-08 | 2025-04-08 | Fox Factory, Inc. | Electronically controlled sway bar damping link |
| US12311720B2 (en) | 2022-02-23 | 2025-05-27 | Fox Factory, Inc. | Hydraulic cross-linked suspension |
| US12502923B2 (en) | 2022-02-23 | 2025-12-23 | Fox Factory, Inc. | Hydraulic cross-linked suspension |
| US12522042B1 (en) | 2024-10-24 | 2026-01-13 | Fox Factory, Inc. | Linked gas chambers for e-sway disconnect |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1530522A1 (en) * | 1964-12-12 | 1970-03-12 | Daimler Benz Ag | Stabilizer, especially for motor vehicles |
| DE2240453A1 (en) * | 1971-09-28 | 1973-04-05 | Messier Fa | DAMPING DEVICE WITH AUTOMATIC DAMPING ADJUSTMENT |
| DE2422825A1 (en) * | 1973-06-05 | 1975-01-09 | Breda Cost Ferroviarie | ROLLING VIBRATION DAMPER FOR RAILS OR ROAD VEHICLES |
-
1978
- 1978-11-11 DE DE19782849015 patent/DE2849015A1/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1530522A1 (en) * | 1964-12-12 | 1970-03-12 | Daimler Benz Ag | Stabilizer, especially for motor vehicles |
| DE2240453A1 (en) * | 1971-09-28 | 1973-04-05 | Messier Fa | DAMPING DEVICE WITH AUTOMATIC DAMPING ADJUSTMENT |
| DE2422825A1 (en) * | 1973-06-05 | 1975-01-09 | Breda Cost Ferroviarie | ROLLING VIBRATION DAMPER FOR RAILS OR ROAD VEHICLES |
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3415869A1 (en) * | 1984-04-28 | 1985-10-31 | Daimler-Benz Ag, 7000 Stuttgart | Device for influencing the roll suspension of vehicles |
| AT395130B (en) * | 1984-04-28 | 1992-09-25 | Daimler Benz Ag | COMMERCIAL VEHICLE WITH AT LEAST ONE VERTICALLY SUSPENSIONED AXLE AND AN ADDITIONAL STABILIZING DEVICE |
| EP0270327A1 (en) * | 1986-12-01 | 1988-06-08 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Spring-constant variable stabilizer device |
| DE3740244A1 (en) * | 1987-11-27 | 1989-06-08 | Daimler Benz Ag | STABILIZER FOR MOTOR VEHICLES |
| DE4135928A1 (en) * | 1991-10-31 | 1993-05-06 | Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De | Stabiliser for motor vehicle axle - has springs, acting directly on cylinder of piston/cylinder unit |
| EP0648625A1 (en) * | 1993-10-19 | 1995-04-19 | Anton Pfeifer | Stabiliser for motor vehicle |
| DE19510719A1 (en) * | 1995-03-24 | 1996-09-26 | Bayerische Motoren Werke Ag | Fixing device with rubber bearings for stabiliser of vehicle |
| EP0829383A3 (en) * | 1996-09-16 | 1999-04-14 | General Motors Corporation | Latchable stabiliser bar actuator |
| WO2003008214A1 (en) * | 2001-07-17 | 2003-01-30 | Daimlerchrysler Ag | Device for roll stabilization of vehicles |
| WO2007033653A1 (en) * | 2005-09-21 | 2007-03-29 | Zf Friedrichshafen Ag | Vehicle having anti-roll bar |
| US7934733B2 (en) | 2006-11-01 | 2011-05-03 | Volvo Lastvasgnar AB | Stabilizing device for a heavy vehicle |
| EP2081784A4 (en) * | 2006-11-01 | 2010-01-20 | Volvo Lastvagnar Ab | A stabilizing device for a heavy vehicle |
| WO2008054265A1 (en) | 2006-11-01 | 2008-05-08 | Volvo Lastvagnar Ab | A stabilizing device for a heavy vehicle |
| DE102012010297A1 (en) * | 2012-05-24 | 2013-11-28 | Piotr Kubinski | Device for e.g. connecting wheels of axle of passenger car, has pipe lower-suspended at sides of vehicle with connecting elements under carriage or frames of vehicle, where connecting elements are designed as shock absorber and coupling rod |
| DE202013002373U1 (en) | 2013-03-12 | 2013-04-09 | Piotr Kubinski | Device for self-hardening the damping of a roll motion damper for a motor vehicle |
| DE202013007733U1 (en) | 2013-08-30 | 2013-10-15 | Piotr Kubinski | Extended device for self-hardening the damping of a roll motion damper for a motor vehicle |
| FR3037280A1 (en) * | 2015-06-09 | 2016-12-16 | Peugeot Citroen Automobiles Sa | ANTI-DEVICE SYSTEM COMPRISING AUTOMATICALLY VARIABLE STIFFEN BARRIERS |
| US12270062B2 (en) | 2017-09-08 | 2025-04-08 | Fox Factory, Inc. | Electronically controlled sway bar damping link |
| US12263711B2 (en) | 2020-12-17 | 2025-04-01 | Fox Factory, Inc. | Automated control system for an electronically controlled sway bar link |
| US12083850B2 (en) * | 2021-12-20 | 2024-09-10 | Fox Factory, Inc. | Electronically controlled sway bar damping link |
| US20230271473A1 (en) * | 2021-12-20 | 2023-08-31 | Fox Factory, Inc. | Electronically controlled sway bar damping link |
| US12311720B2 (en) | 2022-02-23 | 2025-05-27 | Fox Factory, Inc. | Hydraulic cross-linked suspension |
| US12502923B2 (en) | 2022-02-23 | 2025-12-23 | Fox Factory, Inc. | Hydraulic cross-linked suspension |
| US12522042B1 (en) | 2024-10-24 | 2026-01-13 | Fox Factory, Inc. | Linked gas chambers for e-sway disconnect |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8130 | Withdrawal |