EP3621869A1 - Sous-ensemble de direction pour un véhicule automobile et véhicule automobile - Google Patents
Sous-ensemble de direction pour un véhicule automobile et véhicule automobileInfo
- Publication number
- EP3621869A1 EP3621869A1 EP18713585.0A EP18713585A EP3621869A1 EP 3621869 A1 EP3621869 A1 EP 3621869A1 EP 18713585 A EP18713585 A EP 18713585A EP 3621869 A1 EP3621869 A1 EP 3621869A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- steering assembly
- wheel carrier
- link
- wheel
- connecting member
- 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- Withdrawn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
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/16—Arrangement of linkage connections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/06—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G3/00—Resilient suspensions for a single wheel
- B60G3/02—Resilient suspensions for a single wheel with a single pivoted arm
- B60G3/04—Resilient suspensions for a single wheel with a single pivoted arm the arm being essentially transverse to the longitudinal axis of the vehicle
- B60G3/06—Resilient suspensions for a single wheel with a single pivoted arm the arm being essentially transverse to the longitudinal axis of the vehicle the arm being rigid
-
- 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
- B60G2200/156—Independent suspensions with lateral arms wishbone-type arm formed by two links defining a virtual apex
-
- 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
- B60G2200/44—Indexing codes relating to the wheels in the suspensions steerable
Definitions
- the invention relates to a steering assembly for a motor vehicle, with a wheel, to which a wheel is fastened bar, and a strut, via which the wheel is pivotally mounted on a vehicle body.
- the invention relates to a motor vehicle with such a steering assembly.
- Such motor vehicles and such steering assemblies are known from the prior art. They are used to allow motor vehicles to corner.
- a motor vehicle for this purpose comprises two steering assemblies on a steerable axle.
- One steering assembly is then associated, for example, with a left wheel and another steering assembly with a right wheel.
- the steerable wheels are usually pivoted in a complex movement. This movement results in a rotation of the wheels about a substantially vertical axis.
- a curve outside wheel is regularly deflected less strongly, so less twisted, as a curve-inside wheel. So it is possible that both wheels each run on a circular path and both circular paths have a common center.
- the midpoint can also be referred to as a virtual pivot or center of curvature.
- this conflict of objectives is achieved by limiting the turning circle diameter or turning circle of a motor vehicle downwards so that only a limited clearance for the movement of the steerable wheels has to be provided on the body side.
- the object of the invention is to further improve steering assemblies and motor vehicles of the type mentioned.
- the aforementioned conflict of objectives should be at least partially resolved by a steering assembly and a motor vehicle to be specified, which are both equipped with a very small turning circle, as well as body side have plenty of space for the technical vehicle equipment and / or passengers.
- the space to be kept ready for the wheels should therefore be as low as possible.
- the object is achieved by a steering assembly of the type mentioned above, comprising a first, articulated on the wheel bearing wishbone and a second, articulated mounted on the wheel arm wishbone, wherein the first wishbone and the second wishbone each on its side facing away from the wheel by means of a connecting member coupled to each other and wherein the connecting member is rotatably mounted on the vehicle body.
- the wheel carrier side bearing of the strut is a ball joint.
- the vehicle body side bearing of the strut may be a ball joint or rubber mount.
- the associated wheel carrier side bearings and the link side bearings can be ball joints.
- the vehicle body-side bearing of the connecting member is preferably a pivot bearing, thus has essentially only one rotational degree of freedom.
- the two wishbones are therefore not directly connected to the vehicle body, but indirectly via the link.
- particularly large steering angles are possible for a wheel fixed to the wheel.
- the space provided on the body side for the deflected wheel clearance can be kept relatively short.
- first transverse link and the second transverse link preferably extend substantially parallel and / or are essentially the same length.
- the directions of action of the wishbones that is, the connecting lines between the wheel carrier-side bearings and the connecting goods side, run
- the first transverse link, the second transverse link and / or the connecting link can or may lie in a common, substantially horizontally extending plane. This plane is also substantially parallel to a roadway with respect to which the steering assembly steers.
- the connecting member is coupled to an actuator assembly and by means of this can be rotated relative to the vehicle body.
- the actuator assembly may in particular comprise electric motors designed as rotary actuators.
- rotary actuators or linear actuators can also be used together with a gear unit, which accordingly represents an actuator assembly.
- linear actuators are hydraulic cylinders, pneumatic cylinders or electric linear axes. Due to the direct coupling of the connecting member with an actuator assembly on the one hand a spatially compact design is achieved. On the other hand, a particularly dynamic and precise control of the wheel to be steered can take place. This results in a particularly direct and agile steering feel for the driver.
- the steering assembly is preferably designed as a steer-by-wire assembly. A mechanical coupling between a steering wheel and the steering assembly can therefore be omitted. This will further space saved.
- the steering assembly in a simple manner with different characteristics, the z. B. the translation of an outgoing from the steering wheel steering command in a steering movement of the wheels are operated. It is also possible to provide a driver with situation-adapted feedback via the steering wheel.
- the link is rotatable substantially about a vertical axis relative to the vehicle body. It is achieved as small as possible space with a smallest possible turning circle.
- the connecting member comprises a first connecting arm, which connects a body-side bearing of the connecting member with a link member side bearing of the first arm, and a second connecting arm, which connects the body-side bearing of the connecting member with a link member side bearing of the second arm.
- the link member side bearings of the control arms are each connected via a lever to the body.
- the wishbones are driven by these levers. This implies the gain and translation effects known in levers.
- the two arms are coupled together so that the first wishbone and the second wishbone are always moved coordinated with each other.
- the structure of the steering assembly is thus particularly simple and space-saving.
- the link member side bearing of the first transverse link and / or the link member side bearing of the second link link are ball bearings and a ball bearing, respectively.
- the bearings can be designed as hinges or as so-called rubber bearings, the storage is thus precise and durable.
- both the link member side bearing of the first wishbone may be formed as a ball bearing and the link member side bearing of the second wishbone.
- the ball bearing ensures that rotation around all three spatial axes is possible.
- the first connecting arm and the second connecting arm include a link angle away from the wheel carrier, wherein the link angle is less than 180 ° so that the body-side bearing of the link is in a neutral position of the steering gear.
- the neutral position corresponds to the position of the wheel carrier, which occupies this in a straight ahead.
- the link angle may be blunt or pointed. About a distance between the two control arms and the size of the angle can be adjusted as far as the body-side bearing of the connecting member relative to the link member side bearings of the control arm is offset in the direction of the wheel carrier. This also sets a steering behavior of the steering assembly. In particular, can be adjusted on the choice of the angle, as far as the wheel carrier and thus a wheel attached thereto when turning along a motor vehicle axle to the vehicle interior wanders out.
- such a steering assembly can be realized, in which the wheel during the steering along the motor vehicle axle moves relatively little towards the vehicle interior. This effect results in a significant reduction of the space to be provided for the deflecting wheel.
- the steering assembly according to the invention thus only requires a particularly small clearance.
- the thus released space within the vehicle body can be used for components of an electric drive, in particular for electrical energy storage.
- the first wishbone, the second wishbone and the strut can each be spaced from each other supported on the wheel. This results in a particularly stable and reliable mounting of the wheel carrier on the vehicle body.
- a wheel attached to the wheel carrier can be precisely and reproducibly deflected.
- a Radylzanside corresponds to a vehicle longitudinal direction when the wheel and thus a wheel attached to it is in the straight ahead position.
- the Radylhacks- direction corresponds to a direction of travel, provided that the vehicle axle, which includes the steering assembly is a front axle.
- a vehicle body side bearing of the strut is spaced from a vehicle body side bearing of the connecting member. This results in a mechanically stable support of the wheel carrier and a wheel mounted on the motor vehicle.
- a motor vehicle having a steering assembly according to the invention, in particular wherein a wheel is attached to the wheel carrier.
- a motor vehicle has a particularly small turning circle and is therefore particularly easy to maneuver.
- body-side clearance for the turning of the wheels must be provided. This creates additional space within the body, which can be used for example as a passenger compartment or as space for drive components.
- the additional space for components of an electric drive preferably an electrical energy storage can be used.
- the motor vehicle comprises two steering assemblies according to the invention, the two steering assemblies complementing one another to a steerable motor vehicle axle.
- FIG. 1 shows a steering assembly according to the invention of a motor vehicle according to the invention in a neutral position in plan view
- FIG. 2 shows a steering assembly according to the invention of a motor vehicle according to the invention in a deflected state in plan view, wherein the
- Steering assembly cooperates with a wheel on the outside
- 3 shows a steering assembly according to the invention of a motor vehicle according to the invention in a sunk state in plan view, wherein the steering assembly cooperates with a curve-inner wheel
- Figure 4 shows a known steering assembly in plan view
- Figure 5 shows the steering assembly according to the invention of Figure 2 in comparison to the known steering assembly of Figure 4 in a deflected state in plan view, both steering assemblies each cooperating with a curve outer wheel, and
- FIG. 6 shows the steering assembly according to the invention from FIG. 3 in comparison to the known steering assembly from FIG. 4 in a deflected manner
- Figure 1 shows a steering assembly 10 to which a wheel 12 is mounted. More specifically, the wheel 12 is attached to a wheel carrier 14 of the steering assembly 10.
- the neutral position shown corresponds to a straight-ahead position of the steering assembly 10. In this position, the wheel 12 is not deflected.
- the wheel carrier 14 is mounted on a strut 16 on a vehicle body 18.
- the steering assembly 10 includes a first, articulated on the wheel carrier 14 mounted control arm 20 and a second, articulated on the wheel 14 transverse control arm 22nd
- first transverse link 20, the second transverse link 22 and the strut 16 are each held along a Radangolteilscardi R spaced on the wheel carrier 14.
- a wheel carrier side bearing 16r of the strut 16 lies between a wheel carrier side bearing 20r of the first transverse link 20 and a wheel carrier side bearing 22r of the second transverse link 22.
- the first transverse link 20 and the second transverse link 22 are coupled to one another via a connecting link 24.
- the link 24 is rotatably attached to the vehicle body 18 via a vehicle body side bearing 28.
- vehicle body side bearing 26 associated axis is arranged substantially vertically (see also Figures 2 and 3). It therefore stands out from the plane of the drawing.
- the vehicle body side bearing 26 is also spaced from a vehicle body side bearing 16f of the strut 16.
- the first transverse link 20, the second transverse link 22 and the connecting link 24 lie substantially in a common, horizontally extending plane.
- this level corresponds to the plane of the drawing. In reality, this plane is essentially parallel to a non-illustrated roadway.
- first transverse link 20 and the second transverse link 22 are substantially parallel. Furthermore, they are essentially the same length.
- the connecting member 24 comprises a first connecting arm 24a which connects the body-side bearing 26 of the connecting member 24 with a connecting member-side bearing 20v of the first transverse link 20.
- the link 24 has a second link arm 24b connecting the body-side bearing 26 of the link 24 to a link-side bearing 22v of the second transverse link 22.
- the link-side bearing 22v and the link-member-side bearing 20v are configured as a rotary or ball bearing.
- the first link arm 24a and the second link arm 24b include a link angle ⁇ . This is oriented such that the body-side bearing 26 in the neutral pitch of the steering assembly 10 shown in Figure 1 with respect to the link-side bearings 20v. 22v of the control arm 20, 22 is offset in the direction of the wheel carrier 14.
- the kausgüedwinkel ⁇ is less than 180 °.
- the connecting member 24 is coupled to an actuator assembly 28, which is symbolized by a double arrow.
- the connecting member 24 can be actively rotated relative to the vehicle body 18.
- a motor vehicle 30 may be equipped with a steering assembly 10.
- the motor vehicle 30 comprises two steering assemblies 10, which complement each other to a steerable motor vehicle axle 32 (see Figure 7).
- motor vehicle 30 also includes a non-steerable motor vehicle axle 34 on which wheels 12c, 12d are mounted.
- the wheel 12 represents a curve-external wheel.
- the steering assembly 10 therefore executes a right-hand turn in the configuration shown in FIG.
- the connecting member 24 is pivoted about the actuator assembly 28 in a clockwise direction.
- the strut 16 is passive and follows this movement.
- the wheel 12 is a curve-internal wheel.
- the steering assembly 10 therefore executes a left-hand bend in the configuration shown in FIG.
- the connecting member 24 is now pivoted counterclockwise about the body-side bearing 26.
- a virtual spreading axis S is in the imaginary intersection of the strut 16 and the axis which lies between the instantaneous pole M and the bearing 26 (see
- FIG. 1 1).
- FIGS. 5 and 6 the steering assembly 10 is compared to a known steering assembly 100 shown in FIG.
- the steering assembly 100 includes a wheel carrier 114 to which a wheel 112 is mounted, a first and single wishbone 120, via which the wheel carrier 114 is connected to a vehicle body 118, and a strut 116, which also connects the wheel carrier 114 to the vehicle body 118 ,
- the steering assembly 100 is actuated via a tie rod 22 which is actu bar via a linear actuator 128 shown symbolically.
- a virtual expansion axis S of the steering assembly 100 is located at the imaginary intersection of the strut 116 and the control arm 120th
- both the wheel 12 of the steering assembly 10 according to the invention and the wheel 112 of the steering assembly 100 known from the prior art represent a curved outer wheel.
- the steering assembly 10 according to the invention is shown in dashed lines and the known steering assembly 100 in solid lines.
- the wheels 12, 112 are exactly at the same angle. It is clear that in this state, the wheel 112 by a distance D1 closer to the vehicle body 18, 1 18 is located as the wheel 12. In other words, the wheel moves 1 12 of the steering assembly 100 known from the prior art when turning over the distance D1 further in the direction of a vehicle interior than the wheel 12 of the steering assembly 10 according to the invention.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Vehicle Body Suspensions (AREA)
- Power Steering Mechanism (AREA)
Abstract
L'invention concerne un sous-ensemble de direction (10) pour un véhicule automobile. Celui-ci comprend un porte-roue (14) auquel peut être fixée une roue (12), un élément jointif (16) par le biais duquel le porte-roue (14) est monté de manière articulée à une carrosserie de véhicule (18), un premier bras transversal (20) monté articulé sur le porte-roue (14) et un deuxième bras transversal (22) monté articulé sur le porte-roue (14). Dans ce contexte, le premier bras transversal (20) et le deuxième bras transversal (22) sont respectivement accouplés l'un à l'autre au moyen d'un élément de liaison (24) sur leur côté à l'opposé du porte-roue (14). L'élément de liaison (24) est monté à rotation sur la carrosserie de véhicule (18). L'invention concerne également un véhicule automobile équipé d'un tel sous-ensemble de direction (10).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017207723.9A DE102017207723A1 (de) | 2017-05-08 | 2017-05-08 | Lenkungsbaugruppe für ein Kraftfahrzeug und Kraftfahrzeug |
PCT/EP2018/056701 WO2018206187A1 (fr) | 2017-05-08 | 2018-03-16 | Sous-ensemble de direction pour un véhicule automobile et véhicule automobile |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3621869A1 true EP3621869A1 (fr) | 2020-03-18 |
Family
ID=61800474
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18713585.0A Withdrawn EP3621869A1 (fr) | 2017-05-08 | 2018-03-16 | Sous-ensemble de direction pour un véhicule automobile et véhicule automobile |
Country Status (5)
Country | Link |
---|---|
US (1) | US11130520B2 (fr) |
EP (1) | EP3621869A1 (fr) |
CN (1) | CN110546060B (fr) |
DE (1) | DE102017207723A1 (fr) |
WO (1) | WO2018206187A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT201800009669A1 (it) * | 2018-10-22 | 2020-04-22 | Eugenio Perri | Sospensione anteriore per autoveicoli. |
DE102020123524B4 (de) * | 2020-09-09 | 2022-06-23 | Schaeffler Technologies AG & Co. KG | Radmodul für ein Kraftfahrzeug |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
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DE2535670A1 (de) * | 1975-08-09 | 1977-02-17 | Porsche Ag | Radaufhaengung fuer die gelenkten raeder von kraftfahrzeugen |
DE3146612C2 (de) * | 1981-11-25 | 1983-12-08 | Ford-Werke AG, 5000 Köln | Lenksystem für Kraftfahrzeuge |
AT387545B (de) * | 1984-06-22 | 1989-02-10 | Steyr Daimler Puch Ag | Einzelradaufhaengung fuer gelenkte raeder von kraftfahrzeugen |
GB2192597B (en) | 1986-06-27 | 1990-05-30 | Honda Motor Co Ltd | Wheel suspension system for automobiles |
GB8815147D0 (en) * | 1988-06-24 | 1988-08-03 | Lotus Group Plc | Front wheel drive suspension unit |
US5129477A (en) * | 1990-03-08 | 1992-07-14 | Ford New Holland, Inc. | Compound steering apparatus for tractors |
KR100293672B1 (ko) | 1997-11-21 | 2001-07-12 | 이계안 | 자동차의현가장치 |
US6561307B1 (en) * | 2001-12-28 | 2003-05-13 | Meritor Heavy Vehicle Technology, Llc | Independent suspension steering system |
EP1551652B1 (fr) * | 2002-07-22 | 2012-06-06 | Société de Technologie Michelin | Dispositif de suspension d'une roue de vehicule |
DE60211352T2 (de) | 2002-12-03 | 2007-02-08 | Ford Global Technologies, LLC (n.d.Ges.d. Staates Delaware), Dearborn | Radaufhängungs-Anordnung, Lenkgestänge-Anordnung und Verfahren zum Bereitstellen eines veränderlichen Radstandes |
US7487985B1 (en) * | 2005-08-25 | 2009-02-10 | Robert Mighell | Tilting wheeled vehicle |
JP2007062524A (ja) * | 2005-08-30 | 2007-03-15 | Showa Corp | ステアリングダンパ装置 |
DE102006046241A1 (de) * | 2006-09-28 | 2008-04-03 | Zf Friedrichshafen Ag | Einzelradaufhängung |
SE533002C2 (sv) * | 2008-10-20 | 2010-06-08 | Bae Systems Haegglunds Ab | Hjulupphängning för hjulfordon |
US8474842B2 (en) * | 2009-06-03 | 2013-07-02 | Toyota Jidosha Kabushiki Kaisha | Vehicle steering apparatus and setting apparatus thereof |
DE102011081543A1 (de) * | 2011-08-25 | 2013-02-28 | Zf Friedrichshafen Ag | Flach bauende Radaufhängung mit Strebe, Wippe und quer umgelenktem Dämpferelement |
NL2009111C2 (nl) * | 2012-07-03 | 2014-01-06 | Stichting Hogeschool Rotterdam | Wielophanging voor een sturend wiel van een voertuig. |
CN203126949U (zh) * | 2013-02-22 | 2013-08-14 | 同济大学 | 拉索传动双横臂悬架线控独立转向系统 |
CN203426949U (zh) | 2013-06-29 | 2014-02-12 | 湖南腾煌水泵有限公司 | 一种潜水电泵主轴压入装置 |
DE102013225083A1 (de) * | 2013-12-06 | 2015-06-11 | Bayerische Motoren Werke Aktiengesellschaft | Unterbodenverkleidung für ein zweispuriges Kraftfahrzeug sowie zweispuriges Kraftfahrzeug mit einer solchen Unterbodenverkleidung |
DE102014223619A1 (de) * | 2014-11-19 | 2016-05-19 | Bayerische Motoren Werke Aktiengesellschaft | Achse für Räder eines zweispurigen Kraftfahrzeugs und zweispuriges Kraftfahrzeug mit einer solchenAchse |
JP2021003904A (ja) * | 2017-09-04 | 2021-01-14 | ヤマハ発動機株式会社 | 傾斜車両 |
JP6634063B2 (ja) * | 2017-11-27 | 2020-01-22 | 本田技研工業株式会社 | 車輪操舵装置 |
-
2017
- 2017-05-08 DE DE102017207723.9A patent/DE102017207723A1/de active Pending
-
2018
- 2018-03-16 EP EP18713585.0A patent/EP3621869A1/fr not_active Withdrawn
- 2018-03-16 WO PCT/EP2018/056701 patent/WO2018206187A1/fr unknown
- 2018-03-16 CN CN201880027409.9A patent/CN110546060B/zh active Active
-
2019
- 2019-11-07 US US16/677,019 patent/US11130520B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
WO2018206187A1 (fr) | 2018-11-15 |
CN110546060A (zh) | 2019-12-06 |
US20200070881A1 (en) | 2020-03-05 |
US11130520B2 (en) | 2021-09-28 |
CN110546060B (zh) | 2022-04-05 |
DE102017207723A1 (de) | 2018-11-08 |
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