EP2475536A1 - Barre anti-roulis pour véhicule à moteur et son procédé de fabrication - Google Patents

Barre anti-roulis pour véhicule à moteur et son procédé de fabrication

Info

Publication number
EP2475536A1
EP2475536A1 EP10776273A EP10776273A EP2475536A1 EP 2475536 A1 EP2475536 A1 EP 2475536A1 EP 10776273 A EP10776273 A EP 10776273A EP 10776273 A EP10776273 A EP 10776273A EP 2475536 A1 EP2475536 A1 EP 2475536A1
Authority
EP
European Patent Office
Prior art keywords
stabilizer
resin
roll bar
rope
motor vehicle
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Withdrawn
Application number
EP10776273A
Other languages
German (de)
English (en)
Inventor
Christian Schulz
Tom-Hendrik Braun
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IFA Technologies GmbH
Original Assignee
IFA Technologies GmbH
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 IFA Technologies GmbH filed Critical IFA Technologies GmbH
Publication of EP2475536A1 publication Critical patent/EP2475536A1/fr
Withdrawn legal-status Critical Current

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/06—Fibrous reinforcements only
    • B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
    • B29C70/16—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length
    • B29C70/20—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in a single direction, e.g. roofing or other parallel fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/06—Fibrous reinforcements only
    • B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
    • B29C70/16—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length
    • B29C70/22—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in at least two directions forming a two dimensional structure
    • B29C70/222—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in at least two directions forming a two dimensional structure the structure being shaped to form a three dimensional configuration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
    • B29C70/46—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
    • B29C70/48—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs and impregnating the reinforcements in the closed mould, e.g. resin transfer moulding [RTM], e.g. by vacuum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
    • B29C70/86—Incorporated in coherent impregnated reinforcing layers, e.g. by winding
    • B29C70/865—Incorporated in coherent impregnated reinforcing layers, e.g. by winding completely encapsulated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
    • F16F1/14—Torsion springs consisting of bars or tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
    • F16F1/366—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers made of fibre-reinforced plastics, i.e. characterised by their special construction from such materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • 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
    • 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
    • B60G2206/40—Constructional features of dampers and/or springs
    • B60G2206/42—Springs
    • B60G2206/427—Stabiliser bars or tubes
    • 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
    • B60G2206/70—Materials used in suspensions
    • B60G2206/71—Light weight materials
    • B60G2206/7101—Fiber-reinforced plastics [FRP]
    • 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
    • B60G2206/80—Manufacturing procedures
    • B60G2206/81—Shaping

Definitions

  • the invention relates to a stabilizer for a motor vehicle according to the preamble of claim 1 and a method for its production according to the preamble of claim 7.
  • one or each axle of a motor vehicle is assigned a stabilizer operating on the torsion bar principle.
  • This stabilizer may be formed in one or more parts and has the task to counteract the rolling of the vehicle during operation causing forces and thus to limit the rolling motion to a minimum.
  • CONFIRMATION COPY are known stabilizers, which are formed of a round steel or a hollow shaft. However, these have the disadvantage that their weight for a relatively large, especially in solid composite rods.
  • stabilizers which consist of a carbon fiber reinforced plastic, wherein provided on the stabilizer bearing eyes and end receptacles for force application elements are included in the fiber composite of the basic form of the stabilizer (DE 36 12 777).
  • stabilizers produced in this way have the disadvantage that they are always applicable only for very specific, namely fixed to these articulation and connection points vehicle types due to the structurally integrated articulation and connection points.
  • their production is associated with a relatively high cost.
  • the fibers, wet with resin are wet-wound on a core which is then inflated in a mold. Thereafter, further layers are brought up wet.
  • a further disadvantage is that in this procedure, a so-called. Laminatrauhe surface is formed, the technically z. B. can not use as a storage area.
  • a stabilizer bar comprising a fiber reinforced composite rod consisting of a plurality of fibers embedded in a resin / plastic binder. With its two ends metallic arms are positively and non-positively connected.
  • the composite rod can be produced by means of rolling technology, in the blow molding process or in the filament winding process (DE 602 22 494 T2). These manufacturing methods are relatively expensive and directed only to the production of the composite rod.
  • the invention is therefore an object of the invention to provide a stabilizer for motor vehicles, whose weight is reduced and which is universally applicable and can be produced in a simple manner.
  • the invention has the advantage that the assembly of the stabilizer according to the invention already used for motor vehicles and safety-tested components and elements can be left unchanged in their essential characteristics, resulting on the one hand by the design and shape and on the other by the choice of material given the presented stabilizer.
  • a stabilizer whose main body consists of a rope preform, which is placed in a closed mold and then infiltrated with a resin. After curing of the base body of the stabilizer is completed with the necessary parts for the introduction of force or assemblies, which are provided depending on the particular type of vehicle for which it is to be used.
  • Another advantage of the invention is that can be used as preforms industrially produced by the meter in ropes ropes. This makes the Production of stabilizers for different types of vehicles very cost-effective.
  • the rope consists of a soul, which are wrapped with fibers or braided.
  • fibers all kinds of inorganic and organic fibers can be used.
  • the fibers are arranged at an angle of 45 ° to the soul of the rope.
  • an unidirectional arrangement which is as unproblematic as possible is more sensible than a mere wrapping in a 45 ° position, followed by a 45 "position in the opposite direction.
  • the soul of the rope is woven with a woven structure. A possibly occurring lower rigidity of the rope is eliminated by the subsequent treatment of the rope.
  • the stabilizer in its spring stiffness can be adapted to the conditions on the vehicle.
  • This possibility of producing the stabilizer broad application of the stabilizer is given because the prevailing design conditions and the arrangement of functional parts in a motor vehicle in their form and Arrangement can be maintained and the stabilizer is adapted to these prevailing conditions, whereby advantages are achieved both in the assembly of such stabilizers and in their function.
  • the stabilizer over its length on different cross-sectional shapes, but the cross-sectional area remains constant regardless of their shape.
  • the cross-section of the stabilizer is favorably circular in the areas in which torsional stresses are predominantly present.
  • other cross-sectional shapes for example elliptical cross sections, are possible.
  • the method for producing the stabilizer is that the corresponding rope is inserted into a tool that is sealed resin-tight over a counter-mold. Thereafter, a resin is pressed into the tool, which displaces the remaining air from the preform, thereby impregnating the inserted rope.
  • a pre-impregnated with resin rope a so-called prepreg
  • prepreg a pre-impregnated with resin rope
  • the tool is formed with a shape which corresponds to the cross-section of the stabilizer on the one hand and to its longitudinal configuration on the other hand.
  • the stabilizer according to the invention can be adapted to the prevailing operating and arrangement conditions and the design of the motor vehicle parts in the respective motor vehicle, without having to make changes to their design and arrangement.
  • Fig. 2 is a sectional view through the tool
  • Fig. 3 is a stabilizer with different
  • Fig. 1 shows the formation of a tool for forming a transverse stabilizer, which consists of a lower part 1 and a top part 2, in each of which a mold cavity 3 is incorporated, which corresponds to the shape of the stabilizer to be produced. Above the lower part 1, a cable 4 to be inserted into the mold cavity 3 is already shown in the form corresponding to the stabilizer.
  • a resin inlet 5 is provided, also the tool is equipped with resin overflows 6.
  • the tool is equipped with resin overflows 6.
  • 2 holes 7 are provided for fixing both parts.
  • Fig. 2 illustrates the design and assignment of lower and upper parts 1, 2 to each other.
  • the mold cavity 3 is completely filled by the cable 4, which in the present example has a core 9 in its core and is wound with fibers 10.
  • a liquid synthetic resin is pressed into the tool via the resin inlet 5, which fills all gaps between the individual fibers 10 or the fibers 10 and the core 9.
  • the curing process can begin.
  • Fig. 3 shows an end of a stabilizer 11 according to the invention, which consists of a torsion bar 12 and two 90 ° to this in a plane with a radius 13 angled rotary legs 14. The latter are angled in the same plane again with a radius 15 by 90 ° in the opposite direction to an end piece 16.
  • the cross sections are circular, in the regions of the radii 13 and 15 elliptical formed.
  • the rope 4 makes the change in shape via a constraint in the mold cavity 3 with.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • General Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Vehicle Body Suspensions (AREA)
  • Moulding By Coating Moulds (AREA)

Abstract

L'invention se rapporte à une barre anti-roulis pour un véhicule à moteur, qui est réalisée en une ou plusieurs pièces, et constituée d'une barre de torsion (12) et de bras pivotants (14) inclinés sur deux côtés, dont les extrémités libres (16) peuvent chacune se raccorder à une suspension d'un véhicule à moteur par l'intermédiaire de rotules, ce stabilisateur (11) étant constitué d'un corps de base lié par une résine. Selon l'invention le corps de base est constitué d'un câble (4) qui acquiert une rigidité par durcissement de la résine. Le câble (4) est introduit en tant que préforme dans un moule fermé et de la résine est injectée dans le moule. Cette structure présente l'avantage de permettre de conserver, sans modification de leurs principales caractéristiques, les blocs et les éléments déjà utilisés et dont la sécurité a déjà été éprouvée, ce qui est rendu possible d'une part par la conception et la forme, et d'autre part par le choix du matériau de ladite barre anti-roulis.
EP10776273A 2009-09-10 2010-09-10 Barre anti-roulis pour véhicule à moteur et son procédé de fabrication Withdrawn EP2475536A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009041038 2009-09-10
PCT/DE2010/001066 WO2011029434A1 (fr) 2009-09-10 2010-09-10 Barre anti-roulis pour véhicule à moteur et son procédé de fabrication

Publications (1)

Publication Number Publication Date
EP2475536A1 true EP2475536A1 (fr) 2012-07-18

Family

ID=43567512

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10776273A Withdrawn EP2475536A1 (fr) 2009-09-10 2010-09-10 Barre anti-roulis pour véhicule à moteur et son procédé de fabrication

Country Status (5)

Country Link
US (1) US20120169022A1 (fr)
EP (1) EP2475536A1 (fr)
JP (1) JP2013504464A (fr)
DE (1) DE102010045301A1 (fr)
WO (1) WO2011029434A1 (fr)

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DE102010035524A1 (de) * 2010-08-25 2012-03-01 Benteler Automobiltechnik Gmbh Faserverbundwerkstoffstabilisator
DE102011085029A1 (de) * 2011-10-21 2013-04-25 Luhn & Pulvermacher - Dittmann & Neuhaus GmbH Stabilisator in Faserkunststoffverbund und Verfahren zu dessen Herstellung
JP5961223B2 (ja) 2014-04-10 2016-08-02 日本発條株式会社 パイプ状部材およびその端部封止方法
DE102020201326A1 (de) 2020-02-04 2021-08-05 Zf Friedrichshafen Ag Verfahren zum Herstellen eines Stabilisators für ein Fahrwerk eines Fahrzeugs
US11413926B2 (en) 2020-07-31 2022-08-16 Nhk Spring Co., Ltd. Stabilizer manufacturing device and method for manufacturing stabilizer
DE102021005702A1 (de) 2021-11-18 2023-05-25 Rainer Landeck Verfahren zum Erzeugen von Durchführungen und Formgebungen bei Kunststoff-Faserseilen

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Also Published As

Publication number Publication date
DE102010045301A1 (de) 2011-03-31
WO2011029434A1 (fr) 2011-03-17
US20120169022A1 (en) 2012-07-05
JP2013504464A (ja) 2013-02-07
WO2011029434A4 (fr) 2011-06-23

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