WO2013075787A1 - Essieu multibras de véhicule automobile - Google Patents

Essieu multibras de véhicule automobile Download PDF

Info

Publication number
WO2013075787A1
WO2013075787A1 PCT/EP2012/004578 EP2012004578W WO2013075787A1 WO 2013075787 A1 WO2013075787 A1 WO 2013075787A1 EP 2012004578 W EP2012004578 W EP 2012004578W WO 2013075787 A1 WO2013075787 A1 WO 2013075787A1
Authority
WO
WIPO (PCT)
Prior art keywords
link
trapezoidal
plane
wheel carrier
coupling
Prior art date
Application number
PCT/EP2012/004578
Other languages
German (de)
English (en)
Inventor
Norbert Schote
Andreas Munzert
Original Assignee
Dr. Ing. H.C. F. Porsche 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
Priority claimed from DE102011055704A external-priority patent/DE102011055704A1/de
Priority claimed from DE201210110080 external-priority patent/DE102012110080A1/de
Application filed by Dr. Ing. H.C. F. Porsche Ag filed Critical Dr. Ing. H.C. F. Porsche Ag
Publication of WO2013075787A1 publication Critical patent/WO2013075787A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G3/00—Resilient suspensions for a single wheel
    • B60G3/18—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram
    • B60G3/20—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram all arms being rigid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G7/00—Pivoted suspension arms; Accessories thereof
    • B60G7/001—Suspension arms, e.g. constructional features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G7/00—Pivoted suspension arms; Accessories thereof
    • B60G7/008—Attaching arms to unsprung part of vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G7/00—Pivoted suspension arms; Accessories thereof
    • B60G7/02—Attaching arms to sprung part of vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00—Indexing codes relating to suspension types
    • B60G2200/10—Independent suspensions
    • B60G2200/18—Multilink suspensions, e.g. elastokinematic arrangements
    • B60G2200/184—Assymetric arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00—Indexing codes relating to suspension types
    • B60G2200/40—Indexing codes relating to the wheels in the suspensions
    • B60G2200/462—Toe-in/out
    • 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
    • B60G2204/14—Mounting of suspension arms
    • B60G2204/143—Mounting of suspension arms on the 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
    • B60G2204/14—Mounting of suspension arms
    • B60G2204/148—Mounting of suspension arms on the unsprung part of the vehicle, e.g. wheel knuckle or rigid axle
    • 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
    • B60G2204/422—Links for mounting suspension elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/10—Constructional features of arms
    • B60G2206/121—Constructional features of arms the arm having an H or X-shape

Definitions

  • the invention relates to a multi-link vehicle axle according to the preamble of claim 1.
  • Multi-link vehicle axles are well known in practice.
  • several links are arranged in handlebar levels, said handlebars serve to accommodate preferably five degrees of freedom of the six degrees of freedom of a body in space. Only one degree of freedom remains for the incident suspension and failure suspension of the vehicle wheel to be picked up.
  • Such a multi-link vehicle axle is intended to ensure the highest possible level of ride comfort, and it must furthermore be ensured that the same remains in a desired track when longitudinal forces and lateral forces occur on the motor vehicle.
  • so-called five-handlebar motor vehicle axles are known, in which five individual links ensure a connection between a wheel carrier and a motor vehicle body.
  • Such five-link vehicle axles offer a high level of comfort and high variability in terms of the adjustability of the
  • Radmons but they require a relatively large amount of space and require a relatively high installation costs.
  • the trapezoidal link of the multi-link motor vehicle axle known from EP 0 288 654 B1 is at the wheel carrier end via a first articulation point and a first coupling link articulated to the wheel, at the body-side end, however, the trapezoidal link is articulated via two pivot points on the vehicle body.
  • a multi-link vehicle axle can be mounted while ensuring a smaller space with less effort, but it is characterized by a lower level of comfort and a lower
  • the object of the invention is to provide a novel multi-link motor vehicle axle.
  • the trapezoidal link of the second link plane is at one
  • Body-side end articulated via a second articulation point and a second coupling link to the vehicle body, wherein the wheel carrier on the
  • Motor vehicle body is connected via a further link, which is positioned between the first link plane and the second link plane.
  • the multi-link vehicle axle according to the invention combines the advantages of the known multi-link vehicle axles and avoids their disadvantages. Thus, a high ride comfort can be ensured with the multi-link vehicle axle according to the invention. Furthermore, a large variability in the
  • Adjustability of the wheel carrier can be ensured. So kinematic and elastokinematic characteristics can be set individually. In addition, low installation space can be ensured with little space.
  • first coupling link and the second coupling link each engage a rear side or front side of the trapezoidal link.
  • first coupling link and the second coupling link engage in such a diagonally offset manner on
  • the handlebar positioned between the first link plane and the second link plane in particular designed as a trailing arm, is arranged approximately in the middle of a wheel which can be mounted on the wheel carrier.
  • This refinement of the multi-link motor vehicle axle is advantageous for providing a high level of ride comfort, in particular a high longitudinal suspension comfort with stiff braking torque support at the same time.
  • the trapezoidal link has a
  • a damper is articulated at the wheel carrier end of the trapezoidal link.
  • the damper and the first coupling link are articulated in a common pivot point on the wheel carrier end of the trapezoidal link.
  • the damper and the first coupling link are articulated in separate articulation points on the wheel carrier end of the trapezoidal link. This is a particularly advantageous connection of suspension spring and damper possible.
  • FIG. 1 is a side view of a detail of a multi-link vehicle axle together with a wheel carrier and a suspension spring.
  • Fig. 2 is a perspective view of the detail of Fig. 1 together with a damper partially shown;
  • Fig. 3 is a perspective view of the arrangement of Fig. 1 with a first
  • Fig. 4 is a perspective view of the arrangement of Fig. 1 with a second
  • the present invention relates to a multi-link vehicle axle, which is preferably suitable for use as a multi-link rear axle of a motor vehicle.
  • Figures 1 and 2 show a multi-link vehicle axle according to the invention in different views each together with a wheel 10, an am
  • Wheel carrier 10 mounted braking device 11, a suspension spring 12 and a damper 13, wherein the multi-link vehicle axle according to the invention the connection of the wheel carrier 10 is used on a motor vehicle body not shown in Figures 1 and 2.
  • the multi-link vehicle axle according to the invention has arms 15 and 16 positioned in a first link plane 14, these two links 15 and 16 of the first link plane 14 being designed as transverse links.
  • This first link plane 14 preferably runs obliquely or obliquely or inclined from top to bottom.
  • Each link 15 and 16 of the first link plane 14 is hinged to a wheel carrier end via a respective first pivot point 17 directly or directly to the wheel carrier 10, wherein each of these links 15 and 16 of the first link plane 14 at a body-side end via a second pivot point 18 directly or
  • the multi-link motor vehicle axle of Figures 1 and 2 further has a positioned in a second link plane 19 trapezoidal link 20, wherein the trapezoidal link 20 is designed as a multi-functional component.
  • the trapezoidal link 20 takes over, inter alia, a wishbone function.
  • the second link plane 19 and thus the trapezoidal link 20 is disposed below the first link plane 14 and thus below the link 15, 16.
  • the trapezoidal link 20 of the second link plane 19 is at a wheel carrier end via a first, not visible in Figures 1 and 2 pivot point directly or
  • first coupling link 21 indirectly or indirectly connected to the wheel carrier 10, wherein the first coupling link 21 is articulated with a first pivot point 22 on the trapezoidal link 20 and with an opposite pivot point 23 to the wheel 10.
  • the trapezoidal link 20 is at a body end via a second end
  • Vehicle body is connected or articulated. Furthermore, the wheel carrier 11 is connected to the motor vehicle body, not shown, via a further link 28, which is articulated directly with a first articulation point 29 on the wheel carrier 10 and with a second articulation point 30 on the motor vehicle body.
  • This further link 28, which is preferably designed as a trailing arm, is positioned between the first link plane 14 and the second link plane 19.
  • the further link 28 is arranged between the upper of the two transverse links 15, 16 of the first link plane 14 and the trapezoidal link 20 of the second link plane 19.
  • the further link 28 is also between the lower of the two
  • the further link 28 extends approximately at the height of the lower of the two wishbones 15, 16 of the first link plane 14th Preferably, this further link 28 extends approximately in the middle of a wheel 11 mountable on the wheel.
  • the trapezoidal link 20 is a
  • Multifunctional component which serves in addition to the aforementioned wishbone function of the bearing of the suspension spring 12 and the damper 13.
  • Figure 3 shows an embodiment of the invention, in which the damper 13 and the first coupling link 21 of the multi-link vehicle axle in the region of
  • FIG. 4 shows a variant of the invention, in which the damper 13 and the first coupling link 21 of the multi-link -Kraftschachse at the wheel carrier end of the trapezoidal link 22 in separate pivot points 22 and 31 on the
  • Radastas facilityen end of the trapezoidal link 20 are articulated.
  • the two coupling links 21 and 25 are connected with their first articulation points 22 and 26 respectively on the same side of the trapezoidal link 20, so they either engage the rear side of the trapezoidal link 20 or on the front side of the trapezoidal link
  • Trapezoidal link 20 wherein in Figure 4, the articulation point 31 of the damper 13 is connected to the same on the opposite side of the trapezoidal link 20.
  • the two coupling links 21 and 25 with their first articulation points 22 and 26 diagonally offset on the trapezoidal link 20 attack namely such that one of the coupling links on a front side of the trapezoidal link 20 and the other of the Koppellenker on the rear side of the trapezoidal handlebar attacks.
  • damper 13 engages with its pivot point 31 either at the same point of articulation as the first coupling link 21 or at another point of articulation on the trapezoidal link 20.
  • a tie rod 32 is further shown, which may be formed as an active tie rod.
  • the tie rod 32 engages above the trapezoidal link 20 on the wheel 10.
  • the multi-link vehicle axle according to the invention behaves like a five-handlebar motor vehicle axle.
  • the trapezoidal link 20 of the second link plane 19 is directly connected on the one hand via articulation points and on the other hand via two coupling links 21 and 25 both to the wheel 10 and to the vehicle body.
  • the two coupling links 21 and 25 take in particular the support of braking torques.
  • Kinematic and elastokinematic parameters can be set individually or separately.
  • the multi-link vehicle axle according to the invention finds particular use for steered rear axles of a motor vehicle.

Landscapes

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

Abstract

L'invention concerne un essieu multibras de véhicule automobile destiné à relier un support de roue à une carrosserie du véhicule, cet essieu multibras comprenant des bras de suspension (15, 16) positionnés dans un premier plan de bras de suspension (14) et un bras de suspension trapézoïdal (20) positionné dans un deuxième plan de bras de suspension (19). Chaque bras de suspension (15, 16) du premier plan de bras de suspension (14) est articulé sur le support de roue à une extrémité côté support de roue par l'intermédiaire d'un premier point d'articulation (17) et sur la carrosserie du véhicule à une extrémité côté carrosserie par l'intermédiaire d'un deuxième point d'articulation (18), et le bras de suspension trapézoïdal (20) du deuxième plan de bras de suspension (19) est articulé sur le support de roue à une extrémité côté support de roue par l'intermédiaire d'un premier point d'articulation et d'un premier bras d'accouplement (21). Selon l'invention, le bras de suspension trapézoïdal (20) du deuxième plan de bras de suspension (19) est articulé sur la carrosserie du véhicule à une extrémité côté carrosserie par l'intermédiaire d'un deuxième point d'articulation (24) et d'un deuxième bras d'accouplement (25), et le support de roue est relié à la carrosserie du véhicule par l'intermédiaire d'un autre bras de suspension (28) qui est positionné entre le premier plan de bras de suspension (14) et le deuxième plan de bras de suspension (19).
PCT/EP2012/004578 2011-11-25 2012-11-02 Essieu multibras de véhicule automobile WO2013075787A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102011055704A DE102011055704A1 (de) 2011-11-25 2011-11-25 Mehrlenker-Hinterradachse für ein Kraftfahrzeug
DE102011055704.0 2011-11-25
DE201210110080 DE102012110080A1 (de) 2012-10-23 2012-10-23 Mehrlenker-Kraftfahrzeugachse
DE102012110080.2 2012-10-23

Publications (1)

Publication Number Publication Date
WO2013075787A1 true WO2013075787A1 (fr) 2013-05-30

Family

ID=47178563

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/004578 WO2013075787A1 (fr) 2011-11-25 2012-11-02 Essieu multibras de véhicule automobile

Country Status (1)

Country Link
WO (1) WO2013075787A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130069330A1 (en) * 2011-03-10 2013-03-21 Audi Ag Wheel suspension for rear wheels of a motor vehicle
WO2014202300A1 (fr) * 2013-06-19 2014-12-24 Zf Friedrichshafen Ag Suspension dirigeable
CN105270128A (zh) * 2014-07-18 2016-01-27 通用汽车环球科技运作有限责任公司 前悬架组件和用于车辆的悬架系统
WO2016096293A1 (fr) * 2014-12-15 2016-06-23 Zf Friedrichshafen Ag Suspension de roue arrière pourvue d'un ressort à lame transversal configuré en forme de bras d'écartement
ITUB20152142A1 (it) * 2015-07-14 2017-01-14 Fca Italy Spa Sospensione di ruota di autoveicolo, con dispositivo di regolazione dell'angolo di convergenza
DE102021100178A1 (de) 2021-01-08 2022-07-14 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Mehrlenker-Kraftfahrzeugachse

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0193796A1 (fr) * 1985-02-28 1986-09-10 Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 Suspension de roues orientables de véhicules, en particulier de roues avant
EP0306625A2 (fr) * 1987-09-05 1989-03-15 Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 Suspension de roue pour roues directrices
EP0288654B1 (fr) 1987-04-28 1991-12-04 Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 Suspension des roues arrière motrices pour des véhicules automobiles
DE4224484A1 (de) * 1992-07-24 1994-01-27 Audi Ag Unabhängige Radaufhängung für die Hinterräder eines Kraftfahrzeuges
WO2000064690A1 (fr) * 1999-04-26 2000-11-02 Volvo Personvagnar Ab Système de suspension pour roue de véhicule
WO2007045308A1 (fr) * 2005-10-19 2007-04-26 Bayerische Motoren Werke Aktiengesellschaft Suspension pour les roues arriere entrainees d'un vehicule automobile
EP1870263A2 (fr) * 2006-06-22 2007-12-26 Audi Ag Suspension de roue de véhicule pour une roue arrière fixe d'un véhicule automobile en particulier
DE102010003332A1 (de) * 2010-03-26 2011-09-29 Ford Global Technologies, Llc Aktive Hinterradaufhängung

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0193796A1 (fr) * 1985-02-28 1986-09-10 Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 Suspension de roues orientables de véhicules, en particulier de roues avant
EP0288654B1 (fr) 1987-04-28 1991-12-04 Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 Suspension des roues arrière motrices pour des véhicules automobiles
EP0306625A2 (fr) * 1987-09-05 1989-03-15 Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 Suspension de roue pour roues directrices
DE4224484A1 (de) * 1992-07-24 1994-01-27 Audi Ag Unabhängige Radaufhängung für die Hinterräder eines Kraftfahrzeuges
WO2000064690A1 (fr) * 1999-04-26 2000-11-02 Volvo Personvagnar Ab Système de suspension pour roue de véhicule
WO2007045308A1 (fr) * 2005-10-19 2007-04-26 Bayerische Motoren Werke Aktiengesellschaft Suspension pour les roues arriere entrainees d'un vehicule automobile
EP1870263A2 (fr) * 2006-06-22 2007-12-26 Audi Ag Suspension de roue de véhicule pour une roue arrière fixe d'un véhicule automobile en particulier
DE102010003332A1 (de) * 2010-03-26 2011-09-29 Ford Global Technologies, Llc Aktive Hinterradaufhängung

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8646787B2 (en) * 2011-03-10 2014-02-11 Audi Ag Wheel suspension for rear wheels of a motor vehicle
US20130069330A1 (en) * 2011-03-10 2013-03-21 Audi Ag Wheel suspension for rear wheels of a motor vehicle
US10035393B2 (en) 2013-06-19 2018-07-31 Zf Friedrichshafen Ag Steerable wheel suspension
WO2014202300A1 (fr) * 2013-06-19 2014-12-24 Zf Friedrichshafen Ag Suspension dirigeable
CN105270128A (zh) * 2014-07-18 2016-01-27 通用汽车环球科技运作有限责任公司 前悬架组件和用于车辆的悬架系统
CN105270128B (zh) * 2014-07-18 2018-04-06 通用汽车环球科技运作有限责任公司 前悬架组件和用于车辆的悬架系统
WO2016096293A1 (fr) * 2014-12-15 2016-06-23 Zf Friedrichshafen Ag Suspension de roue arrière pourvue d'un ressort à lame transversal configuré en forme de bras d'écartement
ITUB20152142A1 (it) * 2015-07-14 2017-01-14 Fca Italy Spa Sospensione di ruota di autoveicolo, con dispositivo di regolazione dell'angolo di convergenza
EP3118032A1 (fr) * 2015-07-14 2017-01-18 FCA Italy S.p.A. Suspension de roue de véhicule à moteur, avec un dispositif de réglage d'angle de pincement
US9776466B2 (en) 2015-07-14 2017-10-03 Fca Italy S.P.A. Motor-vehicle wheel suspension, with a toe angle regulating device
DE102021100178A1 (de) 2021-01-08 2022-07-14 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Mehrlenker-Kraftfahrzeugachse
GB2604442A (en) * 2021-01-08 2022-09-07 Porsche Ag Multi-link motor vehicle axle
GB2604442B (en) * 2021-01-08 2023-10-18 Porsche Ag Multi-link motor vehicle axle
US11872865B2 (en) 2021-01-08 2024-01-16 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Multi-link motor vehicle axle

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