FR2618733A1 - Load-bearing axle for motor vehicle - Google Patents

Load-bearing axle for motor vehicle Download PDF

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Publication number
FR2618733A1
FR2618733A1 FR8711166A FR8711166A FR2618733A1 FR 2618733 A1 FR2618733 A1 FR 2618733A1 FR 8711166 A FR8711166 A FR 8711166A FR 8711166 A FR8711166 A FR 8711166A FR 2618733 A1 FR2618733 A1 FR 2618733A1
Authority
FR
France
Prior art keywords
axle
arms
axle according
cross
welded
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.)
Granted
Application number
FR8711166A
Other languages
French (fr)
Other versions
FR2618733B1 (en
Inventor
Bernard Villadier
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.)
Automobiles Peugeot SA
Automobiles Citroen SA
Original Assignee
Automobiles Peugeot SA
Automobiles Citroen SA
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 Automobiles Peugeot SA, Automobiles Citroen SA filed Critical Automobiles Peugeot SA
Priority to FR8711166A priority Critical patent/FR2618733B1/en
Publication of FR2618733A1 publication Critical patent/FR2618733A1/en
Application granted granted Critical
Publication of FR2618733B1 publication Critical patent/FR2618733B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B60G21/051—Trailing arm twist beam axles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
    • B60B35/02—Dead axles, i.e. not transmitting torque
    • B60B35/06—Dead axles, i.e. not transmitting torque cranked
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00—Indexing codes relating to suspension types
    • B60G2200/20—Semi-rigid axle suspensions
    • B60G2200/21—Trailing arms connected by a torsional beam, i.e. twist-beam axles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00—Indexing codes relating to suspension types
    • B60G2200/20—Semi-rigid axle suspensions
    • B60G2200/22—Trailing arms connected by a straight torsion bar
    • 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
    • B60G2202/136—Twist-beam type arrangement
    • B60G2202/1362—Twist-beam type arrangement including a second torsional element, e.g. second beam, stabiliser bar 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
    • B60G2202/10—Type of spring
    • B60G2202/14—Plastic spring, e.g. rubber
    • B60G2202/142—Plastic spring, e.g. rubber subjected to shear, e.g. Neidhart type
    • 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
    • B60G2202/14—Plastic spring, e.g. rubber
    • B60G2202/142—Plastic spring, e.g. rubber subjected to shear, e.g. Neidhart type
    • B60G2202/1424—Torsional
    • 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
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/41—Elastic mounts, e.g. bushings
    • 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
    • B60G2204/41—Elastic mounts, e.g. bushings
    • B60G2204/4104—Bushings having modified rigidity in particular directions

Landscapes

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

Abstract

The subject of the present invention is a load-bearing motor vehicle axle which includes a deformable crossmember 1 and two arms 2 made from folded metal sheet which are fixed to the crossmember and on each of which the wheel axle 5 is mounted. According to the invention, the ends of the crossmember are bounded by two planes which are oblique with respect to the longitudinal axis of the crossmember and are closed by two flat bases 3 onto which the arms 2 are welded.

Description

La présente invention concerne un essieu porteur de véhicule automobile qui comporte une traverse déformable et deux bras en tole pliee qui sont fixés à la traverse et sur chacun desquels est monté un axe de roue. Un essieu de ce genre est décrit dans la demande de brevet français 83 10350.The present invention relates to a carrier axle of a motor vehicle which comprises a deformable cross member and two arms of folded sheet metal which are fixed to the cross member and on each of which is mounted a wheel axle. An axle of this kind is described in French patent application 83 10350.

La présente invention a pour objet un essieu de ce type qui peut être relativement peu rigide et permet ainsi de grands débattements.The subject of the present invention is an axle of this type which can be relatively not very rigid and thus allows large deflections.

L'essieu selon l'invention est caractérisé en ce que les extrémités de la traverse sont délimitées par deux plans obliques par rapport à l'axe longitudinal de la traverse et sont fermées par deux fonds plats sur lesquels les bras sont soudés.The axle according to the invention is characterized in that the ends of the cross-member are delimited by two oblique planes with respect to the longitudinal axis of the cross-member and are closed by two flat bottoms on which the arms are welded.

Dans un mode de réalisation particulier de l'invention, une barre anti-roulis est disposée à l'intérieur de la traverse, ses extrémités traversant les fonds plats et étant soudées aux parois extérieures des bras. Cette barre travaille à la torsion en parallèle avec la traverse, ce qui permet de prévoir une traverse plus souple et plus légère.In a particular embodiment of the invention, an anti-roll bar is disposed inside the cross member, its ends passing through the flat bottoms and being welded to the outer walls of the arms. This bar works with torsion in parallel with the cross-member, which makes it possible to provide a more flexible and lighter cross-member.

La caisse du véhicule est généralement reliée à l'essieu par l'intermédiaire de paliers élastiques montés sur des axes solidaires de l'essieu. Selon une caractéristique complémentaire de l'invention qui permet de répondre facilement à cette condition, les extrémités de la barre de torsion font saillie par rapport aux bras et ces extrémités en porte-a-faux servent d'axe d'articulation pour des paliers élastiques supportant la caisse du véhicule.The vehicle body is generally connected to the axle by means of elastic bearings mounted on axes integral with the axle. According to an additional characteristic of the invention which makes it possible to easily meet this condition, the ends of the torsion bar protrude relative to the arms and these cantilevered ends serve as a hinge axis for elastic bearings supporting the vehicle body.

On a décrit ci-apres, à titre d'exemple non limitatif, un mode de réalisation de l'essieu porteur selon l'invention, avec référence aux dessins annexés dans lesquels
La Figure 1 est une vue en perspective de l'es
sieu;
La Figure 2 est une vue en perspective de l'une
des extrémités de la traverse;
La Figure 3 est une vue en perspective montrant
une extrémité de la traverse et le bras fixé
sur cette extrémité;
La Figure 4 est une vue en coupe horizontale de
l'une des extrémités de l'essieu et montre la
liaison de cette extrémité avec la caisse du
véhicule.An embodiment of the carrying axle according to the invention has been described below, by way of non-limiting example, with reference to the accompanying drawings in which
Figure 1 is a perspective view of the es
god;
Figure 2 is a perspective view of one
ends of the sleeper;
Figure 3 is a perspective view showing
one end of the cross member and the arm attached
on this end;
Figure 4 is a horizontal sectional view of
one end of the axle and shows the
connection of this end with the body of the
vehicle.

Tel qu'il est représenté au dessin, l'essieu selon l'invention comporte une traverse 1 à chacune des extrémités de laquelle est fixé un bras 2. As shown in the drawing, the axle according to the invention comprises a cross member 1 at each end of which is fixed an arm 2.

La traverse 1 est constituée par une pièce en forme d'auge en tle emboutie. A chacune de ses extrémités, la traverse 1 est coupée par un plan oblique par rapport à l'axe longitudinal de la traverse; chaque extrémité de la traverse qui présente la forme d'un triangle à sommet arrondi est cloisonnée par un fond plat 3.The cross member 1 is constituted by a piece in the form of a stamped trough. At each of its ends, the cross member 1 is cut by an oblique plane with respect to the longitudinal axis of the cross member; each end of the crosspiece which has the shape of a triangle with a rounded top is partitioned by a flat bottom 3.

Chacun des bras 2 est formé de deux demi-coquilles embouties qui présentent la forme d'un U et sont soudées l'une à l'autre pour constituer le corps de bras. L'une des extrémités de ce bras est soudée au fond 3 en laissant libre la portion d'extrémité intérieure de ce fond, comme indiqué en 3a, afin d'éviter tout risque de rupture dans la liaison. L'extrémité libre du bras est fermée par un fond 4. Au voisinage de cette extrémité libre, le bras est traversé par un axe de roue arrière 5 qui fait saillie par rapport à la face latérale extérieure du bras et par un axe support d'amortisseur 6 qui fait saillie par rapport à la face latérale intérieure de ce bras. Les deux axes sont reliés entre eux par un renfort intérieur 7 et un renfort extérieur 8.Each of the arms 2 is formed from two stamped half-shells which have the shape of a U and are welded to one another to constitute the arm body. One end of this arm is welded to the bottom 3, leaving the interior end portion of this bottom free, as indicated in 3a, in order to avoid any risk of rupture in the connection. The free end of the arm is closed by a bottom 4. In the vicinity of this free end, the arm is crossed by a rear wheel axle 5 which projects relative to the external lateral face of the arm and by a support axle. shock absorber 6 which projects relative to the inner lateral face of this arm. The two axes are interconnected by an internal reinforcement 7 and an external reinforcement 8.

Une barre anti-roulis 9 est disposée à l'intérieur de la traverse; elle traverse les fonds 3 et la paroi extérieure de chaque bras sur laquelle elle est soudée par l'intermédiaire d'une rondelle 10. Les portions d'extrémité de cette barre ont un diamètre plus grand que celui de la portion intermédiaire qui est calculée pour que cette portion intermédiaire remplisse la fonction anti-roulis; ces portions d'extrémité qui sont obtenues par refoulement et sont soudées sur les bras par l'intermédiaire des rondelles 10, remplissent les fonctions d'axes d'articulation et de liaison avec la caisse du véhicule. Un trou d'allègement 11 y est effectué.An anti-roll bar 9 is arranged inside the cross member; it crosses the bottoms 3 and the outer wall of each arm to which it is welded by means of a washer 10. The end portions of this bar have a larger diameter than that of the intermediate portion which is calculated for that this intermediate portion fulfills the anti-roll function; these end portions which are obtained by delivery and are welded to the arms by means of the washers 10, fulfill the functions of articulation axes and of connection with the body of the vehicle. A lightening hole 11 is made there.

La souplesse de liaison de l'essieu avec la caisse 12 est obtenue grâce a des paliers élastiques 13 montés sur des extrémités en porte-à-faux 9a de la barre de torsion 9 et comprenant un silent-bloc 14 ainsi que des rondelles en élastomère 15 serrées entre deux rondelles en acier 16.The flexibility of connection of the axle with the body 12 is obtained by means of elastic bearings 13 mounted on the overhanging ends 9a of the torsion bar 9 and comprising a silent block 14 as well as elastomer washers 15 clamped between two steel washers 16.

L'essieu qui vient d'être décrit offre de plus grands débattements que la plupart des essieux connus, ce qui peut permettre une plus grande souplesse dans les liaisons au sol pour un plus grand confort.The axle which has just been described offers greater travel than most known axles, which can allow greater flexibility in the connections to the ground for greater comfort.

I1 va de soi que la présente invention ne doit pas etre considérée comme limitée au mode de réalisation décrit et représenté, mais en couvre, au contraire, toutes les variantes.  It goes without saying that the present invention should not be considered as limited to the embodiment described and shown, but on the contrary covers all variants thereof.

Claims (7)

RevendicationsClaims 1. Essieu porteur de véhicule automobile qui comporte une traverse déformable (1) et deux bras (2) en tole pliée qui sont fixés a la traverse et sur chacun desquels est monté un axe de roue (5), caractérisé en ce que les extrémités de la traverse sont délimitées par deux plans obliques par rapport à l'axe longitudinal de la traverse et sont fermées par deux fonds plats (3) sur lesquels les bras (2) sont soudés.1. Carrier axle of a motor vehicle which comprises a deformable cross member (1) and two arms (2) of folded sheet metal which are fixed to the cross member and on each of which is mounted a wheel axle (5), characterized in that the ends of the cross are delimited by two planes oblique to the longitudinal axis of the cross and are closed by two flat bottoms (3) on which the arms (2) are welded. 2. Essieu selon la revendication 1, caractérisé en ce que la traverse (1) est formée d'une seule pièce en forme d'auge en tôle emboutie sans soudure.2. Axle according to claim 1, characterized in that the cross-member (1) is formed in one piece in the form of a trough in stamped sheet metal without welding. 3. Essieu selon la revendication 1 ou 2, caractérisé en ce que les fonds plats (3) sont sensiblement triangulaires et en ce que les bras (2) sont soudés sur les contours externes de ces fonds plats (3) en laissant libre la pointe (3a) située en profondeur.3. Axle according to claim 1 or 2, characterized in that the flat bottoms (3) are substantially triangular and in that the arms (2) are welded to the external contours of these flat bottoms (3) leaving the tip free (3a) located deep. 4. Essieu selon l'une des revendications 1 à 3, caractérisé en ce qu'une barre anti-roulis (9) est disposée à l'intérieur de la traverse (1), ses extrémités traversant les fonds plats (3) et étant soudées aux parois extérieures des bras (2).4. Axle according to one of claims 1 to 3, characterized in that an anti-roll bar (9) is disposed inside the cross member (1), its ends passing through the flat bottoms (3) and being welded to the outer walls of the arms (2). 5. Essieu selon la revendication 4, caractérisé en ce que la barre anti-roulis (9) comporte des extrémités émergentes (9a) en porte-à-faux servant d'axe d'articulation pour des paliers élastiques (13) qui supportent la caisse (12) du véhicule. 5. Axle according to claim 4, characterized in that the anti-roll bar (9) has emerging ends (9a) in overhang serving as a hinge axis for elastic bearings (13) which support the vehicle body (12). 6. Essieu selon la revendication 5, caractérisé en ce que la barre anti-roulis (9) comporte des extrémités élargies par refoulement au diamètre nécessaire à l'articulation de la caisse.6. Axle according to claim 5, characterized in that the anti-roll bar (9) has ends enlarged by delivery to the diameter necessary for the articulation of the body. 7. Essieu selon la revendication 6, caractérisé en ce que la barre anti-roulis (9) comporte des évidements intérieurs (11) aux parties élargies. 7. Axle according to claim 6, characterized in that the anti-roll bar (9) has internal recesses (11) with enlarged parts.
FR8711166A 1987-07-31 1987-07-31 MOTOR VEHICLE CARRIER AXLE Expired - Fee Related FR2618733B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8711166A FR2618733B1 (en) 1987-07-31 1987-07-31 MOTOR VEHICLE CARRIER AXLE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8711166A FR2618733B1 (en) 1987-07-31 1987-07-31 MOTOR VEHICLE CARRIER AXLE

Publications (2)

Publication Number Publication Date
FR2618733A1 true FR2618733A1 (en) 1989-02-03
FR2618733B1 FR2618733B1 (en) 1990-09-07

Family

ID=9353940

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8711166A Expired - Fee Related FR2618733B1 (en) 1987-07-31 1987-07-31 MOTOR VEHICLE CARRIER AXLE

Country Status (1)

Country Link
FR (1) FR2618733B1 (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0452835A1 (en) * 1990-04-19 1991-10-23 Volkswagen Aktiengesellschaft Rear axle of a motor car
EP0552537A1 (en) * 1992-01-22 1993-07-28 Benteler Industries, Inc. Twist beam axle
US5324073A (en) * 1990-08-10 1994-06-28 Benteler Industries, Inc. Tuned twist beam axle
US5409255A (en) * 1990-08-10 1995-04-25 Benteler Industries, Inc. Twist beam axle
WO1997047486A1 (en) * 1996-06-14 1997-12-18 Compagnie Generale Des Etablissements Michelin - Michelin & Cie Flexible axle comprising a crosspiece and trailing arms
US6099084A (en) * 1994-11-25 2000-08-08 Vaw Aluminium Ag Twist beam axle and method of producing same
US6447073B1 (en) * 2001-05-02 2002-09-10 Bernhardt P. Goettker Torsion axle having a selectively replaceable insert assembly
FR2846914A1 (en) * 2002-11-08 2004-05-14 Auto Chassis Int Reinforcement device for anti-cant bar mounted on flexible axle, has reinforcement placed between longitudinal arm and end of bar, where arm is welded at ends of reinforcement and bars are welded in center of reinforcement
WO2009077810A1 (en) * 2007-12-18 2009-06-25 Renault Trucks Rear modular suspension for a motorized heavy goods vehicle

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2164530A1 (en) * 1971-12-24 1973-07-05 Volkswagenwerk Ag AXLE ARRANGEMENT WITH A TORSIONALLY SOFT AXLE
US3767224A (en) * 1971-01-26 1973-10-23 Audi Ag Rear axle for motor cars
FR2547540A1 (en) * 1983-06-17 1984-12-21 Citroen Sa Vehicle carrier axle
EP0133829A1 (en) * 1983-08-10 1985-03-06 Regie Nationale Des Usines Renault Independent rear wheel suspension

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3767224A (en) * 1971-01-26 1973-10-23 Audi Ag Rear axle for motor cars
DE2164530A1 (en) * 1971-12-24 1973-07-05 Volkswagenwerk Ag AXLE ARRANGEMENT WITH A TORSIONALLY SOFT AXLE
FR2547540A1 (en) * 1983-06-17 1984-12-21 Citroen Sa Vehicle carrier axle
EP0133829A1 (en) * 1983-08-10 1985-03-06 Regie Nationale Des Usines Renault Independent rear wheel suspension

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0452835A1 (en) * 1990-04-19 1991-10-23 Volkswagen Aktiengesellschaft Rear axle of a motor car
US5324073A (en) * 1990-08-10 1994-06-28 Benteler Industries, Inc. Tuned twist beam axle
US5409255A (en) * 1990-08-10 1995-04-25 Benteler Industries, Inc. Twist beam axle
US5520407A (en) * 1990-08-10 1996-05-28 Alatalo; Clarke E. Twist beam axle
EP0552537A1 (en) * 1992-01-22 1993-07-28 Benteler Industries, Inc. Twist beam axle
US6099084A (en) * 1994-11-25 2000-08-08 Vaw Aluminium Ag Twist beam axle and method of producing same
WO1997047486A1 (en) * 1996-06-14 1997-12-18 Compagnie Generale Des Etablissements Michelin - Michelin & Cie Flexible axle comprising a crosspiece and trailing arms
US6074016A (en) * 1996-06-14 2000-06-13 Compagnie Generale des Etablissements Michelin--Michelin & Cie Flexible axle embodying a crosspiece and trailing arms
US6447073B1 (en) * 2001-05-02 2002-09-10 Bernhardt P. Goettker Torsion axle having a selectively replaceable insert assembly
FR2846914A1 (en) * 2002-11-08 2004-05-14 Auto Chassis Int Reinforcement device for anti-cant bar mounted on flexible axle, has reinforcement placed between longitudinal arm and end of bar, where arm is welded at ends of reinforcement and bars are welded in center of reinforcement
WO2004043718A1 (en) * 2002-11-08 2004-05-27 Auto Chassis International Flexible anti-roll bar brace
WO2009077810A1 (en) * 2007-12-18 2009-06-25 Renault Trucks Rear modular suspension for a motorized heavy goods vehicle

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