WO2008046474A1 - Suspension de véhicule avec un ressort porteur pouvant être déplacé au moyen d'un mécanisme de rotation - Google Patents

Suspension de véhicule avec un ressort porteur pouvant être déplacé au moyen d'un mécanisme de rotation Download PDF

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Publication number
WO2008046474A1
WO2008046474A1 PCT/EP2007/007739 EP2007007739W WO2008046474A1 WO 2008046474 A1 WO2008046474 A1 WO 2008046474A1 EP 2007007739 W EP2007007739 W EP 2007007739W WO 2008046474 A1 WO2008046474 A1 WO 2008046474A1
Authority
WO
WIPO (PCT)
Prior art keywords
rotation
link
suspension spring
rotary mechanism
suspension
Prior art date
Application number
PCT/EP2007/007739
Other languages
German (de)
English (en)
Inventor
Alfred Pruckner
Original Assignee
Bayerische Motoren Werke Aktiengesellschaft
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 Bayerische Motoren Werke Aktiengesellschaft filed Critical Bayerische Motoren Werke Aktiengesellschaft
Publication of WO2008046474A1 publication Critical patent/WO2008046474A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
    • B60G17/021—Spring characteristics, e.g. mechanical springs and mechanical adjusting means the mechanical spring being a coil spring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
    • B60G11/14—Resilient suspensions characterised by arrangement, location or kind of springs having helical, spiral or coil springs only
    • B60G11/16—Resilient suspensions characterised by arrangement, location or kind of springs having helical, spiral or coil springs only characterised by means specially adapted for attaching the spring to axle or sprung part of the 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
    • B60G2200/14—Independent suspensions with lateral arms
    • B60G2200/142—Independent suspensions with lateral arms with a single lateral arm, e.g. MacPherson type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00—Indexing codes relating to suspension types
    • B60G2200/10—Independent suspensions
    • B60G2200/17—Independent suspensions with a strut contributing to the suspension geometry by being articulated onto the wheel support
    • 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
    • B60G2202/12—Wound spring
    • 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
    • B60G2202/40—Type of actuator
    • 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
    • B60G2204/124—Mounting of coil springs
    • 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
    • B60G2204/419—Gears
    • B60G2204/4191—Planetary or epicyclic gears
    • 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
    • B60G2204/62—Adjustable continuously, e.g. during driving

Definitions

  • the invention relates to a vehicle suspension with a clamped between the construction of the vehicle and a wheel-guiding arm suspension, which is supported via a rotating mechanism in such a way on the handlebar, that the distance between the body-side linkage pivot point and the intersection of the line of action of the suspension spring with a in the Essential horizontal link plane, which contains the body-side and the wheel-arm link point, by rotation or displacement of the suspension spring to a substantially perpendicular to said link plane extending and predominantly spaced from the said force line of action first axis of rotation is variable.
  • the prior art in addition to DE 37 07 085 A1, reference is made in particular to EP 0 639 123 B1.
  • suspension springs transmit the forces introduced from the roadway via the wheel into a so-called wheel carrier or the like, either directly, namely when the suspension spring is supported on the wheel carrier, or indirectly via a wheel-guiding link, when the suspension spring is supported on the latter A vehicle structure.
  • the position of the suspension spring support point on this link determines the height of the forces to be absorbed by the suspension spring. The closer this support point is at the articulation point of the handlebar on the vehicle body, the greater the spring force required to carry the Fzg. -conombau.
  • the figures 5a, 5b show as known prior art in each case in a schematic representation of the suspension of the left rear wheel of a two-lane vehicle in rear view. While the construction of this vehicle is designated by the reference numeral 1, the wheel carries the reference numeral 2. An unrepresented wheel carrier for this wheel 2 is articulated, inter alia, via a here designed as a wishbone link 3 on Fzg. -Avembau, the body-side handlebar Anlenkddling the reference numeral 1a and the wheel-side linkage pivot point, the reference numeral 2a carries.
  • the Fzg. -Avembau 1 is supported inter alia via a suspension spring 4 on the handlebar 3, wherein between the lower end of the suspension spring 4 and the handlebar 3, a rotating mechanism 5, for example.
  • the suspension spring 4 is designed in the form of a conventional helical spring, which, however, is arranged eccentrically on the rotary mechanism 5 (and analogously eccentrically on the turntable 5 * ), such that the force-action line 4a coinciding with the spring-center line Suspension spring 4 is laterally spaced from the axis of rotation 5a parallel thereto.
  • the force action line 4a comes in the figure representation on the left side of the axis of rotation 5a to lie, so that in this way the distance between the body-side linkage pivot point 1a and the (respective) intersection point 6 of the force action line 4a of the suspension spring 4 with the substantially horizontal link plane 3 * , which contains the body-side link pivot point 1a and the wheel-link linkage point 2a and coincides in this figure representation with the link 3, is increased relative to the figured suspension spring position.
  • the suspension spring 4 is one in which the force action line 4a deviates from the geometric spring center line.
  • FIG.5c shows, using the same reference numbers, the plan view of the handlebar 3 with the rotary mechanism 5 without the suspension spring 4, for both embodiments according to FIGS. 5a, 5b.
  • the reference numeral 5b denotes a suitable bearing which is part of the rotating mechanism 5 and via which the turntable or the like not marked with a separate reference number is supported on the handlebar 4.
  • a plurality of points (6) lying on a semicircular arc about the axis of rotation 5a characterize the individual points of intersection 6 of the line of action 4a of the suspension spring 4, not shown, with the link plane 3 * , when the suspension spring 4, starting from that shown in FIG. 5a shown displaced position, as described in the preceding paragraph, namely rotated by 180 ° about the axis of rotation 5a.
  • FIG. 5c it follows from this FIG. 5c that in the course of this displacement a torsional moment illustrated by the arrow 7 about the connecting line 8 of the body-side linkage point 1a with the wheel-side linkage point 2a via the body-side linkage point 1a into the vehicle. Structure 1 is initiated, which may be detrimental in particular for the (not shown) bearing in this body-side linkage pivot point 1a.
  • a second rotation mechanism is provided, the support spring in operation of the first rotation mechanism in relation to this first Rotating mechanism rotated about a second axis of rotation that the cutting point of the force line of action of the suspension spring with the said link plane is displaced substantially along the projected into this plane connecting line between the body-side and the wheel-arm link point.
  • the direction of rotation of the second rotation mechanism is preferably opposite to that of the first rotation mechanism, and the rotational movements of the two rotation mechanisms are mechanically coupled to one another, in particular via a toothing, while an advantageous further development is specified in claim 3.
  • FIG. 1 there is shown a view and illustration analogous to Fig. 5c. Notwithstanding FIG. 5c, a second rotary mechanism 9 is present here in addition to the rotary mechanism 5 illustrated by the bearing 5b, which is why the rotary mechanism 5 is also referred to below as the first rotary mechanism 5.
  • the suspension spring (4) not shown in this Fig.1 is completely on the second rotating mechanism 9, which (also) a turntable, for example. In the form of the smaller circular area shown here, supported.
  • This second rotating mechanism 9 is in turn supported on the first rotating mechanism 5 shown in the form of a larger circular area (see reference numeral 5b).
  • FIG. 3 which shows only the two rotary mechanisms 5, 9 in a view analogous to FIG.
  • the second rotary mechanism 9 can be mechanically coupled to the first rotary mechanism 5 via a toothing, such that the second rotary mechanism 9 similarly as a planetary gear of a planetary gear on the inside of the ring gear (s) formed by the first rotating mechanism 5 rolls when this ring gear or the first rotating mechanism 5 rotates about its axis of rotation 5a.
  • the rotation axis 9a of the second rotation mechanism 9 can-but does not have to-be parallel to the rotation axis 5a of the first rotation mechanism 5, so that this so-called second rotation axis 9a of the rotation mechanism 9 in FIGS. 1, 3 and in the sequence of figures 2a explained below - 2c is visible only as a dot.
  • the second axis of rotation 9a should be spaced apart from the first axis of rotation 5a in the region of the link plane 3 * in order to achieve the effect explained with reference to the sequence of figures 2a-2c.
  • the second rotating mechanism 9 is shown in different positions, when the first rotating mechanism 5, for example, starting from the position shown in Fig.5a according to arrow 10 is rotated by 180 ° about its axis of rotation 5a.
  • FIG. 4 shows a highly abstracted side view, cf. 5a, wherein the second rotary mechanism 9 is inclined relative to the first rotary mechanism 5 and thus the two axes of rotation 9a, 5a extend at an angle to each other, so that at substantially unchanged body-side, ie in the top 4 lying support point 11 of the suspension spring 4 via their possible Veriager ⁇ ngsweg a substantially constant Feäericarde or length L of the force action line 4a between the two ends of the suspension spring 4 and thus practically gives a substantially constant spring length.
  • 4 thus shows a possible variant without upper turntable 5 * (cf., FIGS.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Axle Suspensions And Sidecars For Cycles (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

L'invention concerne une suspension de véhicule avec un ressort porteur (4) monté entre la caisse (1) du véhicule et un bras de suspension (3) guidant la roue. Le ressort porteur (4) est, au moyen d'un mécanisme de rotation (5), soutenu sur le bras de suspension de telle sorte que la distance - entre le point (1a) d'articulation du bras de suspension côté caisse et le point d'intersection (6) de la ligne de force (4a) du ressort porteur avec un plan (3*) sensiblement horizontal de bras de suspension qui contient les points d'articulation du bras de suspension côté caisse et côté roue (2a) - peut être modifiée par rotation du ressort porteur autour d'un premier axe de rotation (5a) s'étendant sensiblement perpendiculairement par rapport au plan précité de bras de suspension et sensiblement distant de la ligne de force précitée. Selon l'invention, un deuxième mécanisme de rotation (9) est prévu entre le ressort porteur et le premier mécanisme de rotation précité, soutenu sur le bras de suspension. Le deuxième mécanisme de rotation (9), lors du fonctionnement du premier mécanisme de rotation, fait tourner le ressort porteur autour d'un deuxième axe de rotation (9a) par rapport à ce premier mécanisme de rotation de telle sorte que le point d'intersection de la ligne de force du ressort porteur avec le plan précité de bras de suspension est déplacé sensiblement le long de la ligne de jonction (8), projetée dans ce plan, entre les points d'articulation du bras de suspension côté caisse et côté roue.
PCT/EP2007/007739 2006-10-21 2007-09-05 Suspension de véhicule avec un ressort porteur pouvant être déplacé au moyen d'un mécanisme de rotation WO2008046474A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200610049726 DE102006049726B4 (de) 2006-10-21 2006-10-21 Fahrzeug-Radaufhängung mit einer über einen Drehmechanismus verlagerbaren Tragfeder
DE102006049726.0 2006-10-21

Publications (1)

Publication Number Publication Date
WO2008046474A1 true WO2008046474A1 (fr) 2008-04-24

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Application Number Title Priority Date Filing Date
PCT/EP2007/007739 WO2008046474A1 (fr) 2006-10-21 2007-09-05 Suspension de véhicule avec un ressort porteur pouvant être déplacé au moyen d'un mécanisme de rotation

Country Status (2)

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DE (1) DE102006049726B4 (fr)
WO (1) WO2008046474A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008004089B4 (de) 2007-01-30 2018-12-20 Schaeffler Technologies AG & Co. KG Schraubenfeder für ein Fahrwerk
DE102009020108B4 (de) 2009-05-06 2016-11-03 Audi Ag Radaufhängung für Kraftfahrzeuge
DE102019129431A1 (de) * 2019-10-31 2021-05-06 Thk Co., Ltd. Fahrwerkslenker

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2538103A1 (de) * 1975-08-27 1977-03-10 Herbert Evertz Federelement insbesondere fuer fahrzeuge
DE3707085A1 (de) 1986-03-13 1987-09-17 Volkswagen Ag Federungssystem fuer kraftfahrzeuge
EP0639123A1 (fr) 1992-05-04 1995-02-22 Univ Delft Tech Systeme a masse suspendue sur ressorts avec stabilisation du roulis et du tangage pour vehicules.
DE102004058698B3 (de) * 2004-12-06 2006-02-09 Muhr Und Bender Kg Radaufhängung mit Federverstellung für Kraftfahrzeuge

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2538103A1 (de) * 1975-08-27 1977-03-10 Herbert Evertz Federelement insbesondere fuer fahrzeuge
DE3707085A1 (de) 1986-03-13 1987-09-17 Volkswagen Ag Federungssystem fuer kraftfahrzeuge
EP0639123A1 (fr) 1992-05-04 1995-02-22 Univ Delft Tech Systeme a masse suspendue sur ressorts avec stabilisation du roulis et du tangage pour vehicules.
EP0639123B1 (fr) * 1992-05-04 1997-08-06 Technische Universiteit Delft Systeme a masse suspendue sur ressorts avec stabilisation du roulis et du tangage pour vehicules
DE102004058698B3 (de) * 2004-12-06 2006-02-09 Muhr Und Bender Kg Radaufhängung mit Federverstellung für Kraftfahrzeuge

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DE102006049726A1 (de) 2008-04-24
DE102006049726B4 (de) 2015-03-05

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