WO2006103008A1 - Vehicule automobile - Google Patents

Vehicule automobile Download PDF

Info

Publication number
WO2006103008A1
WO2006103008A1 PCT/EP2006/002556 EP2006002556W WO2006103008A1 WO 2006103008 A1 WO2006103008 A1 WO 2006103008A1 EP 2006002556 W EP2006002556 W EP 2006002556W WO 2006103008 A1 WO2006103008 A1 WO 2006103008A1
Authority
WO
WIPO (PCT)
Prior art keywords
frame
motor vehicle
drive unit
axle
vehicle according
Prior art date
Application number
PCT/EP2006/002556
Other languages
German (de)
English (en)
Inventor
Jürgen Berghus
Thomas Wergula
Original Assignee
Daimlerchrysler Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Daimlerchrysler Ag filed Critical Daimlerchrysler Ag
Publication of WO2006103008A1 publication Critical patent/WO2006103008A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G9/00—Resilient suspensions of a rigid axle or axle housing for two or more wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
    • B60G11/32—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds
    • B60G11/34—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds including leaf springs
    • B60G11/44—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds including leaf springs and also torsion-bar springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
    • B60G13/16—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dynamic absorbers as main damping means, i.e. spring-mass system vibrating out of phase
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00—Indexing codes relating to suspension types
    • B60G2200/30—Rigid axle suspensions
    • B60G2200/31—Rigid axle suspensions with two trailing arms rigidly connected to the axle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/10—Type of spring
    • B60G2202/11—Leaf spring
    • B60G2202/112—Leaf spring longitudinally arranged
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/10—Type of spring
    • B60G2202/13—Torsion spring
    • B60G2202/135—Stabiliser bar and/or tube
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/20—Type of damper
    • B60G2202/25—Dynamic damper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/12—Mounting of springs or dampers
    • B60G2204/122—Mounting of torsion springs
    • B60G2204/1222—Middle mounts of stabiliser on vehicle body or chassis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/18—Mounting of vehicle engines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/45—Stops limiting travel
    • B60G2204/4502—Stops limiting travel using resilient buffer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2300/00—Indexing codes relating to the type of vehicle
    • B60G2300/02—Trucks; Load vehicles
    • B60G2300/024—Light trucks

Definitions

  • the invention relates to a motor vehicle according to the preamble of claim 1.
  • a motor vehicle with a rigid axle is known from the book "Commercial Vehicle Technology” by Erich Hoepke, Vieweg- Verlag, 2nd edition of 2002, page 82.
  • the rigid axle is movably mounted on spring elements relative to the frame on page 73 of the same textbook is a motor vehicle
  • a drive unit is arranged between longitudinal members of the frame, and it is well known from the prior art to connect the drive unit to longitudinal and / or cross members via elastic bearings.
  • the object of the invention is in contrast to provide a motor vehicle with a device available that reduces vibrations of the drive unit in the elastic bearings.
  • the motor vehicle according to the invention is characterized by a coupling element which is arranged between an axle component which is movable relative to the frame during compression of at least one of the wheels and the drive unit.
  • the coupling element comprises a device that transmits forces that arise due to solid state, air or hydraulic friction, at the same time, the coupling element is variable in length.
  • the coupling element may comprise several items such as linkages, joints or gears.
  • the guide elements on the frame via spring bearings connected leaf springs.
  • the connection of the rigid axle to leaf springs allows a good wheel guidance with a simple structure.
  • the guide elements comprise a guide link connected to the frame.
  • the guide arm can be designed for example as a longitudinal or transverse link.
  • the guide elements comprise an air spring.
  • the air spring allows advantageously independently of the load state almost constant suspension characteristic and a constant natural frequency.
  • the movable relative to the frame axle component is the rigid axle itself.
  • the direct connection of the coupling element to the rigid axle allows a simple structure.
  • axle component is connected to the rigid axle torsion bar stabilizer.
  • a connection of the coupling element on the torsion bar allows a remote from the rigid axle arrangement of the coupling element.
  • the torsion bar stabilizer on a lever on which the coupling element is connected.
  • the free positioning of the lever on a transverse to the direction of travel 21 torsion bar portion is advantageously influenced by changing the effective lever length, the size of the force acting on the drive unit during Radeinfedern force component.
  • the coupling element is designed as a vibration damper.
  • the preferably filled with hydraulic oil vibration damper allows not only the initiation of the oscillation of the drive unit opposite in phase excitation and the vapor deposition of vibrations. Thus, not excited by the road vibrations of the drive unit are damped.
  • the adaptation of the damping characteristic curve by changing hydraulic throttles enables effective tuning.
  • the vibration damper on a different train and compression stage.
  • different tension and compression stages of the vibration damper different forces can be exerted on the drive unit during extension and compression. This can be done for the load cases of compression and rebound independent, each optimized tuning.
  • Fig. 2 is a schematically illustrated, modified
  • Axle suspension in a motor vehicle according to the invention from Fig.l and Fig. 3 shows an axle suspension of Fig. 2 in a further view.
  • FIGS. 1-3 a rigid axle 2 arranged on a frame 1 is shown.
  • the figures show the axle assembly on a vehicle side, this corresponds in mirror image to the axle assembly on the other side of the vehicle, not shown.
  • a wheel 8 is mounted in each case.
  • leaf spring package 3 constructed from individual leaf springs 3a, which is connected to the frame 1 via spring bearings 4, 4.
  • One side of the leaf spring assembly 3 has a spring bolt, which is articulated in the spring bearing 4, the other side of the leaf spring assembly 3 is connected to a length compensation of the leaf spring package 3 enabling rocker 5.
  • a shock absorber 18 is arranged between the rigid axle 2 and the frame 1.
  • a leg 10 of a torsion bar stabilizer 9 is connected to the counter-plate 7 alternatively on the rigid axle 2, see also FIGS. 1 and 2.
  • a leg 10 is arranged in the same way Legs 10 are connected by a transversely to the direction 21 arranged torsion bar section 11.
  • the torsion bar section 11 is mounted in links 1 articulated to the frame 1. With lateral inclination of the frame mens 1 or a structure connected to the frame 1, the torsion bar portion 11 is twisted, the resulting reaction torque counteracts the rolling motion.
  • both legs 10 and the torsion bar section 11 are rotated by the same angle of rotation.
  • the frame 1 comprises cross struts l s to which a drive unit 13 comprising a transmission 15 and an internal combustion engine 16 is mounted in elastic bearings 14, see also FIG. 3.
  • Elastic bearings 14 are provided in order to generate vibrations emanating from the drive unit 13 decouple from the structure 1 connected to the frame 1.
  • the axle suspension schematically illustrated in FIG. 2 and FIG. 3 corresponds in function and construction to the axle suspension of FIG. 1.
  • the torsion bar section 11 has a lever 17.
  • a coupling element 19 connected to the lever 17 and designed as a vibration damper connects the torsion bar section 11 operatively connected to the rigid axle 2 to the drive unit 13.
  • the introduced when crossing an obstacle in the wheel 8 impulse is transmitted at least partially to the frame 1, whereby the drive unit 13 is excited to vibrate.
  • vibration damper 19 is an anti-phase excitation to one of the triggered by road excitations vibration of the drive unit 13 exercisable.
  • the wheels 8 spring against the frame 1.
  • the unevenness is not completely compensated by the compression of one or both wheels 8, so that the frame 1 also increases proportionately, at least in the case of low-frequency excitations.
  • the drive unit 13 does not follow the movement of the frame 1 directly due to the large mass inertia, so that the elastic bearings 14 spring in and the drive unit 13 is caused to oscillate.
  • These oscillations of the drive unit 13, which are referred to as stucco, are transmitted to vehicle occupants, as a result of which the ride comfort is significantly reduced.
  • the vibration damper 19 connected between the torsion stabilizer 9 and the drive unit 13 prevents this stuttering.
  • the vibration damper 19 transmits a force to the drive assembly 13, which counteracts the above-described compression of the elastic bearing 14.
  • the vibration damper 19 generates an antiphase running to the stuttering.
  • the size of the damping force of the vibration damper 19 can be influenced. Further tuning can be done by different train and compression stages of the vibration damper 19. Furthermore, the size of the damping force can be influenced by changing the damping stroke that occurs when driving over an obstacle. This can be done by changing the length of the lever 17. Of course, the position of the lever 17 also has an influence on the amplitude; the closer it is connected to one of the wheels 8, the greater are the deflections.
  • the vibration damper 19, for example, on the live axle 2 itself or on the counter-plate 7 "be connected. Due to the geometric position of the vibration damper 19, the direction of the force acting on the drive unit 13 force or the pulse can be determined.
  • the vibration damper 19 is slightly inclined in the direction of travel 21, so that upon compression of the wheel 8, a force acting in the longitudinal direction 21 on the drive unit 13, so that, for example, longitudinal vibrations can be suppressed.
  • the vibration damper 19 is inclined toward the vehicle center 20, so that with one-sided Radeinfeder a force acts transversely to the direction 21 on the drive unit 13.
  • the active calming of vibrations of the drive assembly 13 is accordingly carried out with the device according to the invention in all spatial directions.
  • the elastic bearings 14 can be made softer and acoustically optimized in terms of comfort, without at the same time having to accept the disadvantage of stuccoing.
  • the use of a vibration damper 19 as a coupling element between the rotation stabilizer 9 and drive unit 13 also makes a saving of hydraulically damped bearings 14 possible.
  • the device for vibration damping or to reduce stucco can also be used as a retrofit solution.
  • Handlebar 3 Power unit 4 Flexible bearing 5 Transmission 6 Internal combustion engine 7 Lever 8 Shock absorber 9 Coupling element, vibration damper 0 Center of vehicle 1 Direction of travel

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

L'invention concerne un véhicule automobile qui comprend un châssis (1, 1') auquel est relié, au moyen d'éléments de guidage (3), un essieu rigide (2) mobile par rapport au châssis (1, 1') et portant des roues (8), et qui comprend un groupe motopropulseur (13) monté de manière élastique sur le châssis (1, 1'). Dans le véhicule selon l'invention, un élément d'accouplement (19) est placé entre un composant essieu (2, 3, 6, 7, 9, 10, 11, 12, 17, 18) déplaçable par rapport au châssis (1, 1') en cas de débattement d'au moins une des roues (8) et le groupe motopropulseur (13). L'invention peut être utilisée dans des véhicules automobiles, notamment des véhicules utilitaires.
PCT/EP2006/002556 2005-03-30 2006-03-21 Vehicule automobile WO2006103008A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200510014231 DE102005014231A1 (de) 2005-03-30 2005-03-30 Kraftfahrzeug
DE102005014231.1 2005-03-30

Publications (1)

Publication Number Publication Date
WO2006103008A1 true WO2006103008A1 (fr) 2006-10-05

Family

ID=36441430

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2006/002556 WO2006103008A1 (fr) 2005-03-30 2006-03-21 Vehicule automobile

Country Status (2)

Country Link
DE (1) DE102005014231A1 (fr)
WO (1) WO2006103008A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018207485A1 (de) * 2018-05-15 2019-11-21 Bayerische Motoren Werke Aktiengesellschaft Befestigungseinrichtung eines Hybrid-Antriebsaggregats in einem Kraftfahrzeug
IT202100027863A1 (it) * 2021-10-29 2023-04-29 Iveco Spa Sistema di sospensione migliorato di un veicolo commerciale

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB784816A (en) * 1954-12-04 1957-10-16 Daimler Benz Ag Improvements relating to resilient mountings for auxiliary frames or transverse members carrying road wheel suspensions on vehicles
DE1257598B (de) * 1958-04-24 1967-12-28 Daimler Benz Ag Vorrichtung zur Tilgung von Schwingungen der ungefederten Massen von Kraftfahrzeugen
US3395769A (en) * 1965-02-02 1968-08-06 Paulstra Levallcis Perret Vehicle suspension devices
DE1405857A1 (de) * 1960-05-31 1970-06-25 Daimler Benz Ag Stossdaempferanordnung,insbesondere bei der Federung von Strassenfahrzeugen
US3970162A (en) * 1974-03-28 1976-07-20 Automobiles Peugeot Device for suspending the body and the engine-drive unit in an automobile vehicle
FR2529838A1 (fr) * 1982-07-12 1984-01-13 Renault Vehicules Ind Dispositif de suspension pneumatique pour vehicule industriel
EP0352541A1 (fr) * 1988-07-23 1990-01-31 Iveco Magirus Aktiengesellschaft Suspension élastique d'essieu pour véhicules automobiles, notamment pour véhicules utilitaires
DE4115314A1 (de) * 1991-05-10 1992-11-12 Opel Adam Ag Aufhaengung eines triebwerkes in einem kraftfahrzeug
DE10244361A1 (de) * 2002-09-24 2004-04-01 Daimlerchrysler Ag Vorrichtung zur Schwingungsdämpfung bei einem Fahrzeug
DE10311271A1 (de) * 2003-03-14 2004-09-23 Daimlerchrysler Ag Vorrichtung zur Verminderung der Einleitung von Schwingungen in die Karosserie eines Fahrzeugs
WO2006007975A1 (fr) * 2004-07-17 2006-01-26 Daimlerchrysler Ag Dispositif pour amortir des vibrations

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB784816A (en) * 1954-12-04 1957-10-16 Daimler Benz Ag Improvements relating to resilient mountings for auxiliary frames or transverse members carrying road wheel suspensions on vehicles
DE1257598B (de) * 1958-04-24 1967-12-28 Daimler Benz Ag Vorrichtung zur Tilgung von Schwingungen der ungefederten Massen von Kraftfahrzeugen
DE1405857A1 (de) * 1960-05-31 1970-06-25 Daimler Benz Ag Stossdaempferanordnung,insbesondere bei der Federung von Strassenfahrzeugen
US3395769A (en) * 1965-02-02 1968-08-06 Paulstra Levallcis Perret Vehicle suspension devices
US3970162A (en) * 1974-03-28 1976-07-20 Automobiles Peugeot Device for suspending the body and the engine-drive unit in an automobile vehicle
FR2529838A1 (fr) * 1982-07-12 1984-01-13 Renault Vehicules Ind Dispositif de suspension pneumatique pour vehicule industriel
EP0352541A1 (fr) * 1988-07-23 1990-01-31 Iveco Magirus Aktiengesellschaft Suspension élastique d'essieu pour véhicules automobiles, notamment pour véhicules utilitaires
DE4115314A1 (de) * 1991-05-10 1992-11-12 Opel Adam Ag Aufhaengung eines triebwerkes in einem kraftfahrzeug
DE10244361A1 (de) * 2002-09-24 2004-04-01 Daimlerchrysler Ag Vorrichtung zur Schwingungsdämpfung bei einem Fahrzeug
DE10311271A1 (de) * 2003-03-14 2004-09-23 Daimlerchrysler Ag Vorrichtung zur Verminderung der Einleitung von Schwingungen in die Karosserie eines Fahrzeugs
WO2006007975A1 (fr) * 2004-07-17 2006-01-26 Daimlerchrysler Ag Dispositif pour amortir des vibrations

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"8SUSPENSION", REVUE TECHNIQUE DIESEL, ETAI, BOULOGNE BILLANCOURT, FR, vol. 35, no. 212, July 1998 (1998-07-01), pages 88 - 89, XP000768043, ISSN: 0037-2579 *
ERICH HOEPKE: ""Nutzfahrzeugtechnik" 2.Auflage", 2002, VIEWEG-VERLAG, pages: 82

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