WO2012038650A1 - Structure for supporting the body shell of a vehicle, comprising a means for actuating a supporting leg - Google Patents

Structure for supporting the body shell of a vehicle, comprising a means for actuating a supporting leg Download PDF

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Publication number
WO2012038650A1
WO2012038650A1 PCT/FR2011/052145 FR2011052145W WO2012038650A1 WO 2012038650 A1 WO2012038650 A1 WO 2012038650A1 FR 2011052145 W FR2011052145 W FR 2011052145W WO 2012038650 A1 WO2012038650 A1 WO 2012038650A1
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WO
WIPO (PCT)
Prior art keywords
plate
actuating
support
axis
foot
Prior art date
Application number
PCT/FR2011/052145
Other languages
French (fr)
Inventor
Eric Levouin
Yannick Chailleux
Original Assignee
Renault S.A.S.
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 Renault S.A.S. filed Critical Renault S.A.S.
Publication of WO2012038650A1 publication Critical patent/WO2012038650A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
    • B62D65/02—Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components
    • B62D65/024—Positioning of sub-units or components with respect to body shell or other sub-units or components
    • B62D65/026—Positioning of sub-units or components with respect to body shell or other sub-units or components by using a jig or the like; Positioning of the jig
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
    • B62D65/02—Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components
    • B62D65/18—Transportation, conveyor or haulage systems specially adapted for motor vehicle or trailer assembly lines

Definitions

  • Carrier support structure of a vehicle having means for actuating a support leg
  • the invention relates to a structure for supporting the body of a motor vehicle, which comprises a movable plate for supporting the body.
  • the invention relates more particularly to a structure for supporting the body of a motor vehicle, a structure comprising:
  • Means for supporting the body of the motor vehicle comprising at least one support leg which is carried by the frame and which is adapted to be interposed vertically between the frame and the vehicle body.
  • the industrial manufacture of a motor vehicle involves several manufacturing stages, such as sheet metal work, painting and cataphoresis.
  • the vehicle body also called body structure
  • a support structure also called "rack” which supports the vehicle in a stable and substantially elevated position, so that an operator or a machine is capable of performing a task on the vehicle body.
  • the support structure is movable to transport the vehicle body from one workstation to another.
  • the support structure comprises a generally rectangular horizontal frame, a first and a second longitudinal members are interconnected and extend longitudinally opposite.
  • a sled type structure which is arranged under the vehicle body and which makes it possible to carry the body of the vehicle. vehicle, for example during an application operation of wax, putty, paint or other pasty substance.
  • the frame of the sled type support structure comprises at least one support leg which is fixed on the frame of the support structure and which is able to support a portion of the underbody of the vehicle body.
  • the foot comprises an upper plate, an upper bearing surface is adapted to cooperate with a lower bearing surface complementary to the vehicle body, for the vertical support of the body.
  • the upper bearing surface of the foot extends parallel to the lower bearing surface of the box, so that the upper plate of the foot and the complementary bearing surface of the box are in plane support, or linear support straight.
  • the upper bearing surface of the foot is machined so as to have a slope parallel to the lower bearing surface associated with the body.
  • the slope, or the attitude, of the underside of support of the body may be different from one type of body to another.
  • the slope, or the attitude, of the underside of support of the body varies according to the degree of inclination of the body relative to the support structure, for example when the rear of the body is raised compared to the front of the box.
  • the support foot has a tray adapted to a plurality of vehicle body types, which comprises:
  • An upper support plate which is arranged above the base and which has a generally horizontal upper face for the support of the vehicle body
  • a mechanical articulation means which is interposed between the upper plate and the lower base, so that the tray is pivotally mounted relative to the base around at least a first horizontal axis.
  • the invention proposes a structure for supporting the body of a motor vehicle of the type described above, comprising means for checking the articulation of the foot.
  • the invention proposes a structure for supporting the body of a motor vehicle of the type described above, characterized in that it comprises at least one means for actuating the support foot, intended to solicit the tray said foot pivoting about at least the first horizontal axis relative to its base to verify the good articulation prior to its use.
  • the base and the plate are pivotally connected by the hinge means about a second horizontal axis which is orthogonal to said first horizontal axis and which intersects the first horizontal axis, and in that the actuating means of the foot support, also allows to solicit the plateau of said foot pivotally about the second horizontal axis,
  • the structure comprises at least one bracket, arranged near the chassis, which comprises at least in line with the foot a carrier plate of the actuating means, said plate being movable between a high position in which it releases a height determined above the chassis to allow the passage of the body of the motor vehicle and a low position in which the plate allows the actuating means to reach the support foot to actuate it,
  • the structure comprises at least two support legs which are arranged transversely opposite the frame, and it comprises two brackets, arranged on either side of the frame, which are combined in the form of a single gantry of which a single crosspiece carries two plates carrying actuating means each arranged at the right of a corresponding foot, - each actuating means comprises at least two fingers, mounted sliding vertically in opposite directions from one another, which are intended to bear on the upper face of the upper support plate on either side of the horizontal axis of pivoting of the plate to cause its pivoting in both directions of rotation,
  • each actuating means comprises two pairs of vertical actuating fingers, each pair being included in a vertical plane substantially orthogonal to the other pair, the actuating fingers of each pair being slidably mounted vertically in opposite directions; on the other, and being intended to bear on the upper face of the upper support plate on either side of one of the horizontal axes of pivoting of the plate to cause the pivoting of said plate about said axis in both sense of rotation,
  • the hinge means comprises a central column of which a lower section is arranged in a well of the base, which projects vertically from the base, towards the plate, with respect to which the plate is hinged according to said first and second horizontal pivoting axes of the plateau, one of which upper column positioning, intended to receive a compliant element of the body of the motor vehicle, is of a truncated conical shape facing upwards, and each actuating means comprises a soleplate, fixed to the plate, which is traversed by the sliding actuating fingers arranged in pairs on either side of a vertical drilling of the soleplate, complementary to the upper section positioning section of the column,
  • the sliding fingers of each pair of fingers of the actuating means comprise lower keys for actuating the plate and upper ends which are capable of being urged vertically by corresponding bearing parts of an associated lever which is articulated on the sole around an axis parallel to the associated axis of pivoting of the support foot plate, said support portions being arranged on either side of the axis of articulation of the lever, and a free end actuating the lever being able to be moved vertically to actuate in tilting said lever,
  • the actuating means comprises two cylinders of vertical axes, each of which has a fixed end connected to the plate and a movable end connected to the operating end of one of the levers,
  • the plate is fixed to the end of the rod of a cylinder whose body is fixed on the bracket, said rod being movable between an extended position associated with the lower position of the plate and a retracted position associated with the up position.
  • FIG. 1 is a schematic perspective view, which illustrates a support structure according to the invention comprising at least two support feet mounted on a horizontal frame;
  • FIG. 2 is an exploded detail view in perspective, which illustrates a foot of Figure 1 comprising a plate pivotally mounted longitudinally and transversely on a central column by means of a first hub and a second hub;
  • FIG. 3 is a detail view of the gantry carrying the actuating means
  • FIG. 4 is an assembled perspective view of an actuating means
  • FIG. 5 is an exploded perspective view of an actuating means
  • FIG. 6 is a sectional view of an actuating means.
  • Figure 1 shows a support structure 10 for supporting the underbody of the body (not shown) of a motor vehicle.
  • the support structure 10 has a general design symmetry with respect to a longitudinal vertical plane of symmetry (not shown) passing through the middle of the structure 10.
  • the support structure 10 is here of the sled type, or stretcher, which comprises a frame 12.
  • the frame 12 consists of a longitudinal and parallel first longitudinal beam 18a and a second longitudinal beam 18b which are interconnected at least by a first transverse cross member and a second transverse cross member 22.
  • the support structure 10 comprises at least a first rear foot 14a and a second rear leg 14b for supporting a rear portion of the underbody of the vehicle body.
  • the support structure 10 comprises a first front leg 16a and a second front leg 16b of support of a front portion of the underbody of the vehicle body.
  • At least the front legs 16a, 16b are pivotally articulated along two horizontal orthogonal axes.
  • the support leg 16a essentially comprises a lower base 24a, an upper support plate 26a which is arranged above the base 24a and a mechanical articulation means 28a which is interposed between the upper plate 26a. and the lower base 24a.
  • the base 24a consists of a parallelepipedal metal element which is fixed on the frame 12 of the structure 10, for example by welding.
  • the base 24a comprises a cylindrical central well 30a which extends vertically along a vertical axis A, and which opens vertically upwards, in the direction of the arrow "V".
  • the base 24a comprises a first cylindrical bore 32a which extends along a first transverse axis B through the central well 30a, the first transverse axis being oriented substantially in the direction of the arrow "T", secant and orthogonal to the direction of the arrow "V".
  • the articulation means 28a comprises a vertical central column 34a, a lower section 36a of which is intended to be arranged in the well 30a of the base 24a.
  • the lower portion 36a of the central column 34a has a second bore 38a which is coaxial with the first bore 32a of the base 24a, along the first transverse axis B.
  • An elastic pin 40a extends through the first bore 32a and the second bore 38a to retain the column 34a on the base 24a.
  • the column 34a can be detached from the base 24a by removing the elastic pin 40a, for example to be replaced by a different column.
  • the column 34a comprises an upper vertical portion 42a defining a first bore 46a which extends along a longitudinal axis C, oriented substantially in the direction of the arrow "L", ie orthogonal to the direction "T".
  • the upper portion 42a of the column 34a has a second bore 48a which extends along a second transverse axis D, the second transverse axis D being secant and orthogonal to the longitudinal axis C.
  • the articulation means 28a comprises a first longitudinal cylindrical hub 50a which is pivotally mounted in the first bore 46a of the column 34a, about the longitudinal axis C.
  • the first hub 50a has a cylindrical bore
  • the articulation means 28a comprises a second transverse cylindrical hub 54a which is pivotally mounted in the cylindrical bore 52a of the first hub 50a, around the second transverse axis D.
  • the second hub 54a has a first axial end section 56a and a second opposite axial end section 58a, which are intended to project each transverse projection. both sides of the column 34a and to be received in complementary holes 66a opposite the plate 26a.
  • the plate 26a is in the form of a plate which extends generally horizontally and which is arranged above the base 24a.
  • the plate 26a has a generally horizontal upper face 60a for the vertical support of the vehicle body.
  • the upper face 60a of the plate 26a is flat to be able to receive the box, which is adapted to bear flat on the plate 26a.
  • the plate 26a has a vertical opening 62a which is traversed by the column 34a, so that the plate 26a extends around the upper portion 42a of the column 34a.
  • the plate 26a delimits holes 66a opposite the second transverse axis D, which are arranged axially opposite to open into the slot 62a.
  • the first end section 56a and the second end section 58a of the second hub 54a are received in the opposite bores 66a of the plate 26a, so that the plate 26a is thus fixed and rotatably connected to the second hub 54a.
  • the plate 26a is pivotally mounted about the second transverse axis D, by pivoting the second hub 54a in the cylindrical bore 52a of the first hub 50a.
  • the plate 26a is pivotally mounted about the longitudinal axis C, by pivoting the first hub 50a in the first hole 46a of the column 42a.
  • the first hub 50a is pivotally driven through the second hub 54a which connects the plate 26a to the upper section 42a.
  • the first hub 50a is made of bronze, thus constituting a wear part of the articulation means 28a.
  • the upper portion 42a of the column 34a which extends vertically through the slot 30a of the plate 24a, is of frustoconical shape of decreasing section upwards, in order to favor the insertion of the upper section. 42a in a complementary housing (not shown) for positioning the vehicle body.
  • the upper portion 42a of the column 34a can thus cooperate with the positioning housing of the vehicle body to position the body relative to the support structure 10.
  • the upper portion 42a of the column 34a has a first flat portion 70a and a second flat portion 72a, shown in FIG. 2, which extend vertically in opposite directions and are intended to cooperate with a complementary surface of the housing. associated positioning of the vehicle body, in order to lock the body in rotation along a vertical axis, with respect to the support structure 10.
  • the movable plate 26a of the support leg 16a is pivotable about the longitudinal axis C and around the second transverse axis D, whereby the upper bearing face 60a of the plate 26a is inclined parallel to the support surface of the vehicle body, so that the support leg 16a is likely to support different types of vehicle bodies.
  • the upper bearing surface 60a of the plate 26a is inclined parallel to the bearing surface of the vehicle body automatically by the pressure that the body exerts on the plate 26a.
  • the movable plate 26a of the support leg 16a and the bearing surface of the body are here in plane support.
  • the support legs 16a, 16b are likely to become wedged and can no longer be pivoted if polluting bodies, such as varnishes or residues of paint, interfere with the rotational movement of the hubs 40a, 50a, or 54a.
  • the invention proposes a structure of the type described above, characterized in that it comprises at least one means 74 for actuating the support leg 16a, 16b, intended to urge the plate 60a of said foot 16a, 16b pivoting about at least the first axis "C" horizontal relative to its base 24a to check the good articulation before use.
  • the means 74 for actuating the foot 16a is actuated.
  • the structure 10 comprises at least a bracket 76, arranged near the frame 12, which comprises at least in the foot of a platinum 78 carrier of the actuating means 74, said plate 78 being movable between a high position, shown in Figure 1, which is associated with a high position of the actuating means 74, in which it releases a determined height above the frame 12 to allow the passage of the body of the motor vehicle and a low position, shown in Figure 3, and which is associated with a low position of the actuating means 74, wherein the plate 78 allows the actuating means 74 to reach the support foot 16a, 16b to actuate it.
  • the structure 10 comprises at least two support legs 16a, 16b arranged transversely opposite the frame 12.
  • the structure 10 also comprises two brackets 76, arranged on either side of the frame 12, which are united under the shape of a single gantry 80 including a single cross member 82 carries two plates 78 carrying means 74 for actuating each arranged to the right of a corresponding foot 16a, 16b.
  • each actuating means 74 comprises at least two fingers 82, 84 mounted sliding vertically in opposite directions to one another, which are intended to bear on the upper face 60a. the upper support plate on either side of the axis "C" horizontal pivoting of the plate to cause its pivoting in both directions of rotation.
  • each actuating means 74 comprises two pairs of vertical actuating fingers 82, 84 and 86, 88, each pair being included in a vertical plane substantially orthogonal to the other pair, the fingers 82, 84 and 86, 88 of each pair being slidably mounted vertically in opposite directions to one another, and being intended to bear on the upper face 60a of the upper support plate 26a on either side of the one of the horizontal pivot axes C, D of the plate 26a for causing said plate to pivot about said axis C, D in both directions of rotation.
  • each actuating means 74 comprises a sole 90, fixed to the plate 78, which is traversed by the sliding actuating fingers 82, 84, 86, 88.
  • the sliding actuating fingers 82, 84, 86 , 88 are arranged in pairs on either side of a vertical hole 92 of the soleplate, complementary to the upper portion 42a for positioning the column 34a.
  • the sole 90 is fixed to the plate 78 by means of four vertical columns 79 between which are slidably mounted the fingers 82, 84, 86, 88.
  • each pair of fingers 82, 84 and 86, 88 of the actuating means 74 comprise lower actuating keys 94, 95 of the plate and upper ends 96, 97 which can be solicited vertically by corresponding bearing portions 98, 99 of a lever 100, 101 associated which is articulated on the sole 90 about an axis 102 or 103 parallel to the associated axis C or D of pivoting of the foot plate 16a, 16b of support, said support portions 98, 99 being arranged on either side of the axis 102, 103 of articulation of the lever 100, 101, and a free end 104, 105 for actuating the lever 100, 101 being capable of being moved vertically to actuate tilting said lever 100, 101.
  • the upper ends 96, 97 are shaped as connecting rod caps and the corresponding bearing portions 98, 99 consist of axes passing through said connecting rod caps 96, 97.
  • the actuating means 74 comprises two cylinders 106, 107 of vertical axis each having a fixed end 108, 109 connected to the plate and a movable end 110, 111 connected to the operating end of one of the levers.
  • the plate 76 is fixed to the end of the rod 112 of a cylinder 114 whose body 116 is fixed on the bracket 82, said rod being movable between a extended position associated with the low position of the plate, as shown in Figure 3, and a retracted position associated with the high position of the plate, as shown in Figure 1.
  • the invention therefore provides a structure for verifying the proper operation of a support leg prior to its use.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

The invention relates to a structure (10) for supporting the body shell of a motor vehicle, comprising: a chassis (12) that extends horizontally in the longitudinal direction; and a means for supporting the body shell of the motor vehicle, comprising at least one supporting leg (16a) which is supported by the chassis (12), which is capable of being vertically positioned between the chassis (12) and the body shell of the vehicle, and which comprises a plate hinged about at least one first horizontal axis (C), said structure being characterized in that it comprises at least one means (74) for actuating the supporting leg (16a, 16b), said actuation means pivotably biasing the plate of said leg about at least the first horizontal axis (C) relative to the base (24a) thereof so as to verify that the plate is correctly hinged prior to the use thereof.

Description

Structure de support d'une caisse d'un véhicule comportant un moyen d'actionnement d'un pied de support  Carrier support structure of a vehicle having means for actuating a support leg
L'invention concerne une structure pour le support de la caisse d'un véhicule automobile, qui comporte un plateau mobile de support de la caisse. The invention relates to a structure for supporting the body of a motor vehicle, which comprises a movable plate for supporting the body.
L'invention concerne plus particulièrement une structure pour le support de la caisse d'un véhicule automobile, structure qui comporte :  The invention relates more particularly to a structure for supporting the body of a motor vehicle, a structure comprising:
- un châssis qui s'étend horizontalement,  - a frame that extends horizontally,
- des moyens de support de la caisse du véhicule automobile, comportant au moins un pied de support qui est porté par le châssis et qui est apte à être interposé verticalement entre le châssis et la caisse du véhicule.  - Means for supporting the body of the motor vehicle, comprising at least one support leg which is carried by the frame and which is adapted to be interposed vertically between the frame and the vehicle body.
La fabrication industrielle d'un véhicule automobile comporte plusieurs étapes de fabrication, comme la tôlerie, la peinture et la cataphorèse. The industrial manufacture of a motor vehicle involves several manufacturing stages, such as sheet metal work, painting and cataphoresis.
Au cours de ces étapes, la caisse du véhicule, aussi appelée structure de caisse, est posée sur une structure de support, aussi appelée "portoir", qui supporte le véhicule dans une position stable et sensiblement surélevée, de sorte qu'un opérateur ou une machine est apte à exécuter une tâche sur la caisse du véhicule.  During these steps, the vehicle body, also called body structure, is placed on a support structure, also called "rack", which supports the vehicle in a stable and substantially elevated position, so that an operator or a machine is capable of performing a task on the vehicle body.
De plus, la structure de support est apte à être déplacée pour transporter la caisse du véhicule d'un poste de travail à un autre.  In addition, the support structure is movable to transport the vehicle body from one workstation to another.
A cet effet, la structure de support comporte un châssis horizontal globalement rectangulaire dont un premier et un second longerons sont reliés entre eux et s'étendent longitudinalement en vis à vis.  For this purpose, the support structure comprises a generally rectangular horizontal frame, a first and a second longitudinal members are interconnected and extend longitudinally opposite.
On connaît une structure du type « luge », qui est agencée sous la caisse du véhicule, et qui permet de porter la caisse du véhicule, par exemple au cours d'une opération d'application de cire, de mastic, de peinture ou de toute autre substance pâteuse. A sled type structure is known which is arranged under the vehicle body and which makes it possible to carry the body of the vehicle. vehicle, for example during an application operation of wax, putty, paint or other pasty substance.
De façon connue, le châssis de la structure de support du type luge comporte au moins un pied de support qui est fixé sur le châssis de la structure de support et qui est apte à supporter une partie du soubassement de la caisse du véhicule.  In known manner, the frame of the sled type support structure comprises at least one support leg which is fixed on the frame of the support structure and which is able to support a portion of the underbody of the vehicle body.
A cet effet, le pied comporte un plateau supérieur dont une face supérieure d'appui est apte à coopérer avec une face inférieure d'appui complémentaire de la caisse du véhicule, pour l'appui vertical de la caisse.  For this purpose, the foot comprises an upper plate, an upper bearing surface is adapted to cooperate with a lower bearing surface complementary to the vehicle body, for the vertical support of the body.
La face supérieure d'appui du pied s'étend parallèlement à la face inférieure d'appui de la caisse, de sorte que le plateau supérieur du pied et la face d'appui complémentaire de la caisse sont en appui plan, ou en appui linéaire rectiligne.  The upper bearing surface of the foot extends parallel to the lower bearing surface of the box, so that the upper plate of the foot and the complementary bearing surface of the box are in plane support, or linear support straight.
Dans ce but, la face supérieure d'appui du pied est usinée de façon à présenter une pente parallèle à la face inférieure d'appui associée de la caisse.  For this purpose, the upper bearing surface of the foot is machined so as to have a slope parallel to the lower bearing surface associated with the body.
Toutefois, la pente, ou l'assiette, de la face inférieure d'appui de la caisse peut être différente d'un type de caisse à un autre.  However, the slope, or the attitude, of the underside of support of the body may be different from one type of body to another.
De même, la pente, ou l'assiette, de la face inférieure d'appui de la caisse varie selon le degré d'inclinaison de la caisse par rapport à la structure de support, par exemple lorsque l'arrière de la caisse est surélevé par rapport à l'avant de la caisse.  Similarly, the slope, or the attitude, of the underside of support of the body varies according to the degree of inclination of the body relative to the support structure, for example when the rear of the body is raised compared to the front of the box.
Aussi le pied de support comporte t-il un plateau adapté à une pluralité de types de caisse de véhicule, qui comporte :  Also, the support foot has a tray adapted to a plurality of vehicle body types, which comprises:
- une embase inférieure qui est montée sur le châssis, a lower base which is mounted on the chassis,
- un plateau supérieur d'appui qui est agencé au dessus de l'embase et qui comporte une face supérieure globalement horizontale pour l'appui de la caisse du véhicule, - An upper support plate which is arranged above the base and which has a generally horizontal upper face for the support of the vehicle body,
- un moyen d'articulation mécanique qui est interposé entre le plateau supérieure et l'embase inférieure, de sorte que le plateau est monté pivotant par rapport à l'embase autour d'au moins un premier axe horizontal. a mechanical articulation means which is interposed between the upper plate and the lower base, so that the tray is pivotally mounted relative to the base around at least a first horizontal axis.
L'inconvénient d'un tel pied est qu'il est particulièrement exposé aux différents traitements à laquelle est soumise la caisse du véhicule associé. De ce fait, le pied est susceptible de voir son moyen d'articulation mécanique se coincer sous l'action desdits traitements.  The disadvantage of such a foot is that it is particularly exposed to the different treatments to which the body of the associated vehicle is subjected. Therefore, the foot is likely to see its mechanical articulation means get stuck under the action of said treatments.
Lorsque que l'on passe d'un type de véhicule à un autre sur la structure de support, il est primordial de vérifier que le pied est susceptible de s'articuler naturellement sans coincement.  When moving from one type of vehicle to another on the support structure, it is important to check that the foot is able to articulate naturally without jamming.
Sans cela, la caisse du véhicule serait susceptible d'occuper une position inadéquate.  Without this, the vehicle's body would be likely to occupy an inadequate position.
Il est par ailleurs souhaitable de pouvoir automatiser cette opération de vérification.  It is also desirable to be able to automate this verification operation.
Dans ce but, l'invention propose une structure pour le support de la caisse d'un véhicule automobile du type décrit précédemment, comportant des moyens de vérification de l'articulation du pied. For this purpose, the invention proposes a structure for supporting the body of a motor vehicle of the type described above, comprising means for checking the articulation of the foot.
Dans ce but, l'invention propose une structure pour le support de la caisse d'un véhicule automobile du type décrit précédemment, caractérisé en ce qu'elle comporte au moins un moyen d'actionnement du pied de support, destiné à solliciter le plateau dudit pied en pivotement autour d'au moins le premier axe horizontal par rapport à son embase pour en vérifier la bonne articulation préalablement à son utilisation.  For this purpose, the invention proposes a structure for supporting the body of a motor vehicle of the type described above, characterized in that it comprises at least one means for actuating the support foot, intended to solicit the tray said foot pivoting about at least the first horizontal axis relative to its base to verify the good articulation prior to its use.
Selon d'autres caractéristiques de l'invention :  According to other features of the invention:
- l'embase et le plateau sont reliés en pivotement par le moyen d'articulation autour d'un second axe horizontal qui est orthogonal audit premier axe horizontal et qui coupe le premier axe horizontal, et en ce que le moyen d'actionnement du pied de support, permet de surcroît de solliciter le plateau dudit pied en pivotement autour du second axe horizontal, - la structure comporte au moins une potence, agencée à proximité du châssis, qui comporte au moins au droit du pied une platine porteuse du moyen d'actionnement, ladite platine étant mobile entre une position haute dans laquelle elle libère une hauteur déterminée au-dessus du châssis pour permettre le passage de la caisse du véhicule automobile et une position basse dans laquelle la platine permet au moyen d'actionnement d'atteindre le pied de support pour l'actionner, - The base and the plate are pivotally connected by the hinge means about a second horizontal axis which is orthogonal to said first horizontal axis and which intersects the first horizontal axis, and in that the actuating means of the foot support, also allows to solicit the plateau of said foot pivotally about the second horizontal axis, - The structure comprises at least one bracket, arranged near the chassis, which comprises at least in line with the foot a carrier plate of the actuating means, said plate being movable between a high position in which it releases a height determined above the chassis to allow the passage of the body of the motor vehicle and a low position in which the plate allows the actuating means to reach the support foot to actuate it,
- la structure comporte au moins deux pieds de support qui sont agencés transversalement en vis à vis sur le châssis, et elle comporte deux potences, agencées de part et d'autre du châssis, qui sont réunies sous la forme d'un portique unique dont une traverse unique porte deux platines porteuses de moyens d'actionnement agencés chacun au droit d'un pied correspondant, - chaque moyen d'actionnement comporte au moins deux doigts, montés coulissants verticalement en sens inverse l'un de l'autre, qui sont destinés à prendre appui sur la face supérieure du plateau supérieur d'appui de part et d'autre de l'axe horizontal de pivotement du plateau pour provoquer son pivotement dans les deux sens de rotation,  - The structure comprises at least two support legs which are arranged transversely opposite the frame, and it comprises two brackets, arranged on either side of the frame, which are combined in the form of a single gantry of which a single crosspiece carries two plates carrying actuating means each arranged at the right of a corresponding foot, - each actuating means comprises at least two fingers, mounted sliding vertically in opposite directions from one another, which are intended to bear on the upper face of the upper support plate on either side of the horizontal axis of pivoting of the plate to cause its pivoting in both directions of rotation,
- chaque moyen d'actionnement comporte deux paires de doigts verticaux d'actionnement, chaque paire étant comprise dans un plan vertical sensiblement orthogonal à l'autre paire, les doigts d'actionnement de chaque paire étant montés coulissants verticalement en sens inverse l'un de l'autre, et étant destinés à prendre appui sur la face supérieure du plateau supérieur d'appui de part et d'autre de l'un des axes horizontal de pivotement du plateau pour provoquer le pivotement dudit plateau autour dudit axe dans les deux sens de rotation,  each actuating means comprises two pairs of vertical actuating fingers, each pair being included in a vertical plane substantially orthogonal to the other pair, the actuating fingers of each pair being slidably mounted vertically in opposite directions; on the other, and being intended to bear on the upper face of the upper support plate on either side of one of the horizontal axes of pivoting of the plate to cause the pivoting of said plate about said axis in both sense of rotation,
- le moyen d'articulation comporte une colonne centrale dont un tronçon inférieur est agencé dans un puits de l'embase, qui fait saillie verticalement depuis l'embase, vers le plateau, par rapport à laquelle le plateau est articulé selon lesdits premier et second axes horizontal de pivotement du plateau, dont un tronçon supérieur de positionnement de la colonne, destiné à recevoir un élément conforme de la caisse du véhicule automobile, est d'une forme tronconique de conicité tournée vers le haut, et chaque moyen d'actionnement comporte une semelle, fixée à la platine, qui est traversée par les doigts d'actionnement coulissants agencés par paire de part et d'autre d'un perçage vertical de la semelle, complémentaire du tronçon supérieur de positionnement de la colonne, - The hinge means comprises a central column of which a lower section is arranged in a well of the base, which projects vertically from the base, towards the plate, with respect to which the plate is hinged according to said first and second horizontal pivoting axes of the plateau, one of which upper column positioning, intended to receive a compliant element of the body of the motor vehicle, is of a truncated conical shape facing upwards, and each actuating means comprises a soleplate, fixed to the plate, which is traversed by the sliding actuating fingers arranged in pairs on either side of a vertical drilling of the soleplate, complementary to the upper section positioning section of the column,
- les doigts coulissants de chaque paire de doigts du moyen d'actionnement comportent des touches inférieures d'actionnement du plateau et des extrémités supérieures qui sont susceptibles d'être sollicitées verticalement par des parties d'appui correspondantes d'un levier associé qui est articulé sur la semelle autour d'un axe parallèle à l'axe associé de pivotement du plateau du pied de support, lesdites parties d'appui étant agencées de part et d'autre de l'axe d'articulation du levier, et une extrémité libre de manoeuvre du levier étant susceptible d'être mue verticalement pour actionner en basculement ledit levier,  the sliding fingers of each pair of fingers of the actuating means comprise lower keys for actuating the plate and upper ends which are capable of being urged vertically by corresponding bearing parts of an associated lever which is articulated on the sole around an axis parallel to the associated axis of pivoting of the support foot plate, said support portions being arranged on either side of the axis of articulation of the lever, and a free end actuating the lever being able to be moved vertically to actuate in tilting said lever,
- le moyen d'actionnement comporte deux vérins d'axes verticaux dont chacun comporte une extrémité fixe liée à la platine et une extrémité mobile liée à l'extrémité de manoeuvre d'un des leviers,  the actuating means comprises two cylinders of vertical axes, each of which has a fixed end connected to the plate and a movable end connected to the operating end of one of the levers,
- la platine est fixée à l'extrémité de la tige d'un vérin dont le corps est fixé sur la potence, ladite tige étant mobile entre une position étendue associée à la position basse de la platine et une position rétractée associée à la position haute de la platine.  - The plate is fixed to the end of the rod of a cylinder whose body is fixed on the bracket, said rod being movable between an extended position associated with the lower position of the plate and a retracted position associated with the up position. platinum.
D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description détaillée qui suit pour la compréhension de laquelle on se reportera aux dessins annexés dans lesquels : - la figure 1 est une vue schématique en perspective, qui illustre une structure de support selon l'invention comportant au moins deux pieds de support montés sur un châssis horizontal ; Other features and advantages of the invention will appear on reading the detailed description which follows for the understanding of which reference will be made to the appended drawings in which: - Figure 1 is a schematic perspective view, which illustrates a support structure according to the invention comprising at least two support feet mounted on a horizontal frame;
- la figure 2 est une vue de détail éclatée en perspective, qui illustre un pied de la figure 1 comportant un plateau monté pivotant longitudinalement et transversalement sur une colonne centrale au moyen d'un premier moyeu et d'un second moyeu ;  - Figure 2 is an exploded detail view in perspective, which illustrates a foot of Figure 1 comprising a plate pivotally mounted longitudinally and transversely on a central column by means of a first hub and a second hub;
- la figure 3 est une vue de détail du portique porteur des moyens d'actionnement ;  FIG. 3 is a detail view of the gantry carrying the actuating means;
- la figure 4 est une vue en perspective assemblée d'un moyen d'actionnement ;  FIG. 4 is an assembled perspective view of an actuating means;
- la figure 5 est une vue en perspective éclatée d'un moyen d'actionnement ;  FIG. 5 is an exploded perspective view of an actuating means;
- la figure 6 est une vue en coupe d'un moyen d'actionnement.  - Figure 6 is a sectional view of an actuating means.
On utilisera à titre non limitatif les orientations longitudinale, verticale et transversale selon le trièdre L, V, T représenté aux figures. The longitudinal, vertical and transverse orientations according to the L, V, T trihedron represented in the figures will be used without limitation.
On adoptera aussi le terme horizontal, en référence à la gravité terrestre, et les termes supérieur et inférieur en référence à la direction verticale du repère L, V, T.  We will also adopt the term horizontal, with reference to the Earth's gravity, and the terms upper and lower with reference to the vertical direction of the reference L, V, T.
La figure 1 représente une structure de support 10 pour le support du soubassement de la caisse (non représentée) d'un véhicule automobile.  Figure 1 shows a support structure 10 for supporting the underbody of the body (not shown) of a motor vehicle.
La structure de support 10 présente une symétrie générale de conception par rapport à un plan vertical longitudinal de symétrie (non représenté) passant par le milieu de la structure 10.  The support structure 10 has a general design symmetry with respect to a longitudinal vertical plane of symmetry (not shown) passing through the middle of the structure 10.
Des éléments ou composants identiques et symétriques par rapport au plan de symétrie seront désignés par les mêmes chiffres de référence indicés a ou b selon qu'ils sont situés d'un premier côté ou d'un second côté du plan de symétrie.  Elements or components that are identical and symmetrical with respect to the plane of symmetry will be designated by the same reference numbers indexed a or b according to whether they are situated on a first side or a second side of the plane of symmetry.
La structure de support 10 est ici du type luge, ou brancard, qui comporte un châssis 12. Le châssis 12 est constitué d'un premier longeron 18a et d'un second longeron 18b longitudinaux et parallèles, qui sont reliés entre eux au moins par une première traverse avant 20 transversale et une seconde traverse arrière 22 transversale. The support structure 10 is here of the sled type, or stretcher, which comprises a frame 12. The frame 12 consists of a longitudinal and parallel first longitudinal beam 18a and a second longitudinal beam 18b which are interconnected at least by a first transverse cross member and a second transverse cross member 22.
La structure de support 10 comporte au moins un premier pied arrière 14a et un second pied arrière 14b de support d'une partie arrière du soubassement de la caisse du véhicule.  The support structure 10 comprises at least a first rear foot 14a and a second rear leg 14b for supporting a rear portion of the underbody of the vehicle body.
De plus, la structure de support 10 comporte un premier pied avant 16a et un second pied avant 16b de support d'une partie avant du soubassement de la caisse du véhicule.  In addition, the support structure 10 comprises a first front leg 16a and a second front leg 16b of support of a front portion of the underbody of the vehicle body.
Comme on va le voir dans la suite de la présente description, au moins les pieds avant 16a, 16b sont articulés en pivotement selon deux axes orthogonaux horizontaux.  As will be seen in the remainder of this description, at least the front legs 16a, 16b are pivotally articulated along two horizontal orthogonal axes.
Pour faciliter la compréhension de la description, on décrira seulement le premier pied avant 16a de support, qui sera appelé « pied de support 16a » par la suite.  To facilitate the understanding of the description, it will be described only the first front support leg 16a, which will be called "support foot 16a" thereafter.
Selon la figure 2, le pied de support 16a comporte essentiellement une embase 24a inférieure, un plateau 26a supérieur d'appui qui est agencé au dessus de l'embase 24a et un moyen d'articulation 28a mécanique qui est interposé entre le plateau 26a supérieur et l'embase 24a inférieure.  According to FIG. 2, the support leg 16a essentially comprises a lower base 24a, an upper support plate 26a which is arranged above the base 24a and a mechanical articulation means 28a which is interposed between the upper plate 26a. and the lower base 24a.
L'embase 24a est constituée d'un élément métallique parallélépipédique qui est fixé sur le châssis 12 de la structure 10, par exemple par soudage.  The base 24a consists of a parallelepipedal metal element which is fixed on the frame 12 of the structure 10, for example by welding.
L'embase 24a comporte un puits 30a central cylindrique qui s'étend verticalement selon un axe vertical A, et qui débouche verticalement vers le haut, suivant la direction de la flèche "V".  The base 24a comprises a cylindrical central well 30a which extends vertically along a vertical axis A, and which opens vertically upwards, in the direction of the arrow "V".
De plus, l'embase 24a comporte un premier perçage 32a cylindrique qui s'étend selon un premier axe transversal B à travers le puits 30a central, le premier axe transversal étant orienté sensiblement suivant la direction de la flèche "T", sécante et orthogonale à la direction de la flèche "V". Le moyen d'articulation 28a comporte une colonne 34a centrale verticale dont un tronçon inférieur 36a est destiné à être agencé dans le puits 30a de l'embase 24a. In addition, the base 24a comprises a first cylindrical bore 32a which extends along a first transverse axis B through the central well 30a, the first transverse axis being oriented substantially in the direction of the arrow "T", secant and orthogonal to the direction of the arrow "V". The articulation means 28a comprises a vertical central column 34a, a lower section 36a of which is intended to be arranged in the well 30a of the base 24a.
Le tronçon inférieur 36a de la colonne 34a centrale comporte un second perçage 38a qui est coaxial au premier perçage 32a de l'embase 24a, selon le premier axe transversal B.  The lower portion 36a of the central column 34a has a second bore 38a which is coaxial with the first bore 32a of the base 24a, along the first transverse axis B.
Une goupille élastique 40a s'étend à travers le premier perçage 32a et le second perçage 38a, afin de retenir la colonne 34a sur l'embase 24a.  An elastic pin 40a extends through the first bore 32a and the second bore 38a to retain the column 34a on the base 24a.
Ainsi, la colonne 34a est susceptible d'être désolidarisée de l'embase 24a par retrait de la goupille élastique 40a, par exemple pour être remplacée par une colonne différente.  Thus, the column 34a can be detached from the base 24a by removing the elastic pin 40a, for example to be replaced by a different column.
La colonne 34a comporte un tronçon supérieur 42a vertical délimitant un premier alésage 46a qui s'étend selon un axe longitudinal C, orienté sensiblement suivant la direction de la flèche "L", c'est à dire orthogonalement à la direction "T".  The column 34a comprises an upper vertical portion 42a defining a first bore 46a which extends along a longitudinal axis C, oriented substantially in the direction of the arrow "L", ie orthogonal to the direction "T".
Le tronçon supérieur 42a de la colonne 34a comporte un second alésage 48a qui s'étend selon un second axe transversal D, le second axe transversal D étant sécant et orthogonal à l'axe longitudinal C.  The upper portion 42a of the column 34a has a second bore 48a which extends along a second transverse axis D, the second transverse axis D being secant and orthogonal to the longitudinal axis C.
Le moyen d'articulation 28a comporte un premier moyeu 50a cylindrique longitudinal qui est monté pivotant dans le premier alésage 46a de la colonne 34a, autour de l'axe longitudinal C.  The articulation means 28a comprises a first longitudinal cylindrical hub 50a which is pivotally mounted in the first bore 46a of the column 34a, about the longitudinal axis C.
Le premier moyeu 50a comporte un perçage cylindrique The first hub 50a has a cylindrical bore
52a qui s'étend coaxialement au second alésage 48a de la colonne 34a, selon le second axe transversal D. 52a extending coaxially with the second bore 48a of the column 34a, along the second transverse axis D.
De plus, le moyen d'articulation 28a comporte un second moyeu 54a cylindrique transversal qui est monté pivotant dans le perçage cylindrique 52a du premier moyeu 50a, autour du second axe transversal D.  In addition, the articulation means 28a comprises a second transverse cylindrical hub 54a which is pivotally mounted in the cylindrical bore 52a of the first hub 50a, around the second transverse axis D.
Le second moyeu 54a comporte un premier tronçon d'extrémité 56a axiale et un second tronçon d'extrémité 58a axiale opposé, qui sont destinés à faire chacun saillie transversa- lement de part et d'autre de la colonne 34a et à être reçus dans des perçages complémentaires 66a opposés du plateau 26a. The second hub 54a has a first axial end section 56a and a second opposite axial end section 58a, which are intended to project each transverse projection. both sides of the column 34a and to be received in complementary holes 66a opposite the plate 26a.
Le plateau 26a est de la forme d'une plaque qui s'étend globalement horizontalement et qui est agencé au dessus de l'embase 24a.  The plate 26a is in the form of a plate which extends generally horizontally and which is arranged above the base 24a.
Le plateau 26a comporte une face supérieure 60a globalement horizontale pour l'appui vertical de la caisse du véhicule.  The plate 26a has a generally horizontal upper face 60a for the vertical support of the vehicle body.
La face supérieure 60a du plateau 26a est plane pour pouvoir recevoir la caisse, laquelle est apte à venir en appui plan sur le plateau 26a.  The upper face 60a of the plate 26a is flat to be able to receive the box, which is adapted to bear flat on the plate 26a.
Le plateau 26a comporte une lumière 62a débouchante verticalement, qui est traversée par la colonne 34a, de sorte que le plateau 26a s'étend autour du tronçon supérieur 42a de la colonne 34a.  The plate 26a has a vertical opening 62a which is traversed by the column 34a, so that the plate 26a extends around the upper portion 42a of the column 34a.
De plus, le plateau 26a délimite des perçages 66a opposés selon le second axe transversal D, qui sont agencés axialement en vis à vis de façon à déboucher dans la lumière 62a.  In addition, the plate 26a delimits holes 66a opposite the second transverse axis D, which are arranged axially opposite to open into the slot 62a.
Le premier tronçon d'extrémité 56a et le second tronçon d'extrémité 58a du second moyeu 54a sont reçus dans les perçages opposés 66a du plateau 26a, de sorte que le plateau 26a est ainsi fixé et lié en rotation sur le second moyeu 54a.  The first end section 56a and the second end section 58a of the second hub 54a are received in the opposite bores 66a of the plate 26a, so that the plate 26a is thus fixed and rotatably connected to the second hub 54a.
Ainsi, le plateau 26a est monté pivotant autour du second axe transversal D, par pivotement du second moyeu 54a dans le perçage cylindrique 52a du premier moyeu 50a.  Thus, the plate 26a is pivotally mounted about the second transverse axis D, by pivoting the second hub 54a in the cylindrical bore 52a of the first hub 50a.
De même, de façon simultanée et conjointe, le plateau 26a est monté pivotant autour de l'axe longitudinal C, par pivotement du premier moyeu 50a dans le premier perçage 46a de la colonne 42a.  Similarly, simultaneously and jointly, the plate 26a is pivotally mounted about the longitudinal axis C, by pivoting the first hub 50a in the first hole 46a of the column 42a.
Le premier moyeu 50a est entraîné en pivotement par l'intermédiaire du second moyeu 54a qui relie le plateau 26a au tronçon supérieur 42a.  The first hub 50a is pivotally driven through the second hub 54a which connects the plate 26a to the upper section 42a.
Avantageusement, le premier moyeu 50a est en bronze, constituant ainsi une pièce d'usure du moyen d'articulation 28a. Selon un autre aspect, le tronçon supérieur 42a de la colonne 34a, qui s'étend verticalement à travers la lumière 30a du plateau 24a, est d'une forme tronconique de section décroissante vers le haut, afin de favoriser l'insertion du tronçon supérieur 42a dans un logement complémentaire (non représenté) de positionnement de la caisse du véhicule. Advantageously, the first hub 50a is made of bronze, thus constituting a wear part of the articulation means 28a. In another aspect, the upper portion 42a of the column 34a, which extends vertically through the slot 30a of the plate 24a, is of frustoconical shape of decreasing section upwards, in order to favor the insertion of the upper section. 42a in a complementary housing (not shown) for positioning the vehicle body.
Le tronçon supérieur 42a de la colonne 34a peut ainsi coopérer avec le logement de positionnement de la caisse du véhicule pour positionner la caisse par rapport à la structure de support 10.  The upper portion 42a of the column 34a can thus cooperate with the positioning housing of the vehicle body to position the body relative to the support structure 10.
De plus, le tronçon supérieur 42a de la colonne 34a comporte un premier méplat 70a et un second méplat 72a, représentés à la figure 2, qui s'étendent verticalement de façon opposée, et sont destinés à coopérer avec une face complémen- taire du logement de positionnement associé de la caisse du véhicule, afin de bloquer la caisse en rotation selon un axe vertical, par rapport à la structure de support 10.  In addition, the upper portion 42a of the column 34a has a first flat portion 70a and a second flat portion 72a, shown in FIG. 2, which extend vertically in opposite directions and are intended to cooperate with a complementary surface of the housing. associated positioning of the vehicle body, in order to lock the body in rotation along a vertical axis, with respect to the support structure 10.
Selon l'invention, le plateau 26a mobile du pied de support 16a est susceptible de pivoter autour de l'axe longitudinal C et autour du second axe transversal D, grâce à quoi la face supérieure d'appui 60a du plateau 26a est inclinée parallèlement à la face d'appui de la caisse du véhicule, de sorte que le pied de support 16a est susceptible de supporter différents types de caisses de véhicule.  According to the invention, the movable plate 26a of the support leg 16a is pivotable about the longitudinal axis C and around the second transverse axis D, whereby the upper bearing face 60a of the plate 26a is inclined parallel to the support surface of the vehicle body, so that the support leg 16a is likely to support different types of vehicle bodies.
De plus, la face supérieure d'appui 60a du plateau 26a est inclinée parallèlement à la face d'appui de la caisse du véhicule de façon automatique par la pression que la caisse exerce sur le plateau 26a.  In addition, the upper bearing surface 60a of the plate 26a is inclined parallel to the bearing surface of the vehicle body automatically by the pressure that the body exerts on the plate 26a.
Ainsi, le plateau 26a mobile du pied de support 16a et la face d'appui de la caisse sont ici en appui plan.  Thus, the movable plate 26a of the support leg 16a and the bearing surface of the body are here in plane support.
Dans cette configuration, les pieds de support 16a, 16b sont susceptibles de se coincer et de ne plus pouvoir pivoter si des corps polluants, tels que des vernis ou des résidus de peinture, viennent gêner le mouvement de rotation des moyeux 40a, 50a, ou 54a. In this configuration, the support legs 16a, 16b are likely to become wedged and can no longer be pivoted if polluting bodies, such as varnishes or residues of paint, interfere with the rotational movement of the hubs 40a, 50a, or 54a.
Il importe donc, dans le cadre d'une production de caisses de véhicule automobile en grandes séries, de tester la bonne fonctionnalité de chaque pied 16a, 16b préalablement à la dépose de chaque caisse sur la structure 10.  It is therefore important, in the context of a production of motor vehicle bodies in large series, to test the good functionality of each foot 16a, 16b prior to the removal of each box on the structure 10.
Dans ce but, l'invention propose une structure du type décrit précédemment, caractérisé en ce qu'elle comporte au moins un moyen 74 d'actionnement du pied 16a, 16b de support, destiné à solliciter le plateau 60a dudit pied 16a, 16b en pivotement autour d'au moins le premier axe "C" horizontal par rapport à son embase 24a pour en vérifier la bonne articulation préalablement à son utilisation. For this purpose, the invention proposes a structure of the type described above, characterized in that it comprises at least one means 74 for actuating the support leg 16a, 16b, intended to urge the plate 60a of said foot 16a, 16b pivoting about at least the first axis "C" horizontal relative to its base 24a to check the good articulation before use.
De préférence, le moyen 74 d'actionnement du pied 16a, Preferably, the means 74 for actuating the foot 16a,
16b de support permet aussi de solliciter le plateau 60a dudit pied en pivotement autour du second axe D horizontal. 16b of support also makes it possible to urge the plate 60a of said foot pivotably about the second horizontal axis D.
Dans le mode de réalisation préféré de l'invention, comme l'illustrent les figures 1, 3 et 4, la structure 10 comporte au moins une potence 76, agencée à proximité du châssis 12, qui comporte au moins au droit du pied une platine 78 porteuse du moyen 74 d'actionnement, ladite platine 78 étant mobile entre une position haute, représenté à la figure 1, qui est associée à une position haute du moyen d'actionnement 74, dans laquelle elle libère une hauteur déterminée au-dessus du châssis 12 pour permettre le passage de la caisse du véhicule automobile et une position basse, représentée à la figure 3, et qui est associée à une position basse du moyen d'actionnement 74, dans laquelle la platine 78 permet au moyen d'actionnement 74 d'atteindre le pied de support 16a, 16b pour l'actionner.  In the preferred embodiment of the invention, as illustrated in Figures 1, 3 and 4, the structure 10 comprises at least a bracket 76, arranged near the frame 12, which comprises at least in the foot of a platinum 78 carrier of the actuating means 74, said plate 78 being movable between a high position, shown in Figure 1, which is associated with a high position of the actuating means 74, in which it releases a determined height above the frame 12 to allow the passage of the body of the motor vehicle and a low position, shown in Figure 3, and which is associated with a low position of the actuating means 74, wherein the plate 78 allows the actuating means 74 to reach the support foot 16a, 16b to actuate it.
La structure 10 comporte au moins deux pieds 16a, 16b de support agencés transversalement en vis à vis sur le châssis 12. De ce fait, la structure 10 comporte aussi deux potences 76, agencées de part et d'autre du châssis 12, qui sont réunies sous la forme d'un portique unique 80 dont une traverse unique 82 porte deux platines 78 porteuses de moyens 74 d'actionnement agencés chacun au droit d'un pied 16a, 16b correspondant. The structure 10 comprises at least two support legs 16a, 16b arranged transversely opposite the frame 12. As a result, the structure 10 also comprises two brackets 76, arranged on either side of the frame 12, which are united under the shape of a single gantry 80 including a single cross member 82 carries two plates 78 carrying means 74 for actuating each arranged to the right of a corresponding foot 16a, 16b.
Comme l'illustrent les figures 4 à 6, chaque moyen 74 d'actionnement comporte au moins deux doigts 82, 84, montés coulissants verticalement en sens inverse l'un de l'autre, qui sont destinés à prendre appui sur la face supérieure 60a du plateau supérieur d'appui de part et d'autre de l'axe "C" horizontal de pivotement du plateau pour provoquer son pivotement dans les deux sens de rotation.  As illustrated in FIGS. 4 to 6, each actuating means 74 comprises at least two fingers 82, 84 mounted sliding vertically in opposite directions to one another, which are intended to bear on the upper face 60a. the upper support plate on either side of the axis "C" horizontal pivoting of the plate to cause its pivoting in both directions of rotation.
Par ailleurs, chaque moyen d'actionnement 74 comporte deux paires de doigts 82, 84 et 86, 88 verticaux d'actionnement, chaque paire étant comprise dans un plan vertical sensiblement orthogonal à l'autre paire, les doigts 82, 84 et 86, 88 d'actionne- ment de chaque paire étant montés coulissants verticalement en sens inverse l'un de l'autre, et étant destinés à prendre appui sur la face 60a supérieure du plateau 26a supérieur d'appui de part et d'autre de l'un des axes C, D horizontal de pivotement du plateau 26a pour provoquer le pivotement dudit plateau autour dudit axe C, D dans les deux sens de rotation.  Furthermore, each actuating means 74 comprises two pairs of vertical actuating fingers 82, 84 and 86, 88, each pair being included in a vertical plane substantially orthogonal to the other pair, the fingers 82, 84 and 86, 88 of each pair being slidably mounted vertically in opposite directions to one another, and being intended to bear on the upper face 60a of the upper support plate 26a on either side of the one of the horizontal pivot axes C, D of the plate 26a for causing said plate to pivot about said axis C, D in both directions of rotation.
A cet effet, chaque moyen 74 d'actionnement comporte une semelle 90, fixée à la platine 78, qui est traversée par les doigts d'actionnement coulissants 82, 84, 86, 88. Les doigts d'actionnement coulissants 82, 84, 86, 88 sont agencés par paire de part et d'autre d'un perçage vertical 92 de la semelle, complémentaire du tronçon supérieur 42a de positionnement de la colonne 34a.  For this purpose, each actuating means 74 comprises a sole 90, fixed to the plate 78, which is traversed by the sliding actuating fingers 82, 84, 86, 88. The sliding actuating fingers 82, 84, 86 , 88 are arranged in pairs on either side of a vertical hole 92 of the soleplate, complementary to the upper portion 42a for positioning the column 34a.
La semelle 90 est fixée à la platine 78 par l'intermédiaire de quatre colonnes verticale 79 entre lesquelles sont montés coulissants les doigts 82, 84, 86, 88.  The sole 90 is fixed to the plate 78 by means of four vertical columns 79 between which are slidably mounted the fingers 82, 84, 86, 88.
Comme l'illustrent les figures 5 et 6, les doigts 82, 84, 86, As illustrated in FIGS. 5 and 6, the fingers 82, 84, 86,
88 coulissants de chaque paire de doigts 82, 84 et 86, 88 du moyen d'actionnement 74 comportent des touches inférieures d'actionnement 94, 95 du plateau et des extrémités supérieures 96, 97 qui sont susceptibles d'être sollicitées verticalement par des parties d'appui 98, 99 correspondantes d'un levier 100, 101 associé qui est articulé sur la semelle 90 autour d'un axe 102 ou 103 parallèle à l'axe associé C ou D de pivotement du plateau du pied 16a, 16b de support, lesdites parties d'appui 98, 99 étant agencées de part et d'autre de l'axe 102, 103 d'articulation du levier 100, 101, et une extrémité libre 104, 105 de manoeuvre du levier 100, 101 étant susceptible d'être mue verticalement pour actionner en basculement ledit levier 100, 101. 88 sliding of each pair of fingers 82, 84 and 86, 88 of the actuating means 74 comprise lower actuating keys 94, 95 of the plate and upper ends 96, 97 which can be solicited vertically by corresponding bearing portions 98, 99 of a lever 100, 101 associated which is articulated on the sole 90 about an axis 102 or 103 parallel to the associated axis C or D of pivoting of the foot plate 16a, 16b of support, said support portions 98, 99 being arranged on either side of the axis 102, 103 of articulation of the lever 100, 101, and a free end 104, 105 for actuating the lever 100, 101 being capable of being moved vertically to actuate tilting said lever 100, 101.
Par exemple, de manière non limitative de l'invention, les extrémités supérieures 96, 97 sont conformées en chapeaux de bielle et les parties d'appui correspondantes 98, 99 consistent en des axes traversant lesdits chapeaux de bielle 96, 97.  For example, in a nonlimiting manner of the invention, the upper ends 96, 97 are shaped as connecting rod caps and the corresponding bearing portions 98, 99 consist of axes passing through said connecting rod caps 96, 97.
De préférence, le moyen d'actionnement 74 comporte deux vérins 106, 107 d'axe verticaux dont chacun comporte une extrémité fixe 108, 109 liée à la platine et une extrémité mobile 110, 111 liée à l'extrémité de manoeuvre d'un des leviers.  Preferably, the actuating means 74 comprises two cylinders 106, 107 of vertical axis each having a fixed end 108, 109 connected to the plate and a movable end 110, 111 connected to the operating end of one of the levers.
Enfin, comme l'illustrent les figures 1 et 3, on comprendra que la platine 76 est fixée à l'extrémité de la tige 112 d'un vérin 114 dont le corps 116 est fixé sur la potence 82, ladite tige étant mobile entre une position étendue associée à la position basse de la platine, comme représenté à la figure 3, et une position rétractée associée à la position haute de la platine, comme représenté à la figure 1.  Finally, as illustrated in Figures 1 and 3, it will be understood that the plate 76 is fixed to the end of the rod 112 of a cylinder 114 whose body 116 is fixed on the bracket 82, said rod being movable between a extended position associated with the low position of the plate, as shown in Figure 3, and a retracted position associated with the high position of the plate, as shown in Figure 1.
L'invention propose donc une structure permettant de vérifier le bon fonctionnement d'un pied de support préalablement à son utilisation.  The invention therefore provides a structure for verifying the proper operation of a support leg prior to its use.

Claims

REVENDICATIONS
1. Structure (10) pour le support de la caisse d'un véhicule automobile, comportant : 1. Structure (10) for supporting the body of a motor vehicle, comprising:
- un châssis (12) qui s'étend horizontalement suivant une direction longitudinale,  a frame (12) extending horizontally in a longitudinal direction,
- des moyens de support (14a, 14b, 16a, 16b) de la caisse du véhicule automobile, comportant au moins un pied de support (16a) qui est porté par le châssis (12), qui est susceptible d'être interposé verticalement entre le châssis (12) et la caisse du véhicule, et qui comporte :  - Support means (14a, 14b, 16a, 16b) of the body of the motor vehicle, comprising at least one support leg (16a) which is carried by the frame (12), which is capable of being interposed vertically between the chassis (12) and the vehicle body, and which comprises:
- une embase (24a) inférieure qui est montée sur le châssis (12),  a lower base (24a) which is mounted on the frame (12),
- un plateau (26a) supérieur d'appui qui est agencé au dessus de l'embase (24a) et qui comporte une face supérieure - an upper support plate (26a) which is arranged above the base (24a) and which has an upper face
(60a) sensiblement horizontale destinée à recevoir en appui la caisse du véhicule, (60a) substantially horizontal for receiving in support the vehicle body,
- un moyen d'articulation (28a) mécanique qui est interposé entre le plateau (26a) supérieur et l'embase (24a) inférieure, pour permettre au plateau (26a) de pivoter par rapport à l'embase (24a) autour d'au moins un premier axe (C) horizontal caractérisée en ce qu'elle comporte au moins un moyen (74) d'actionnement du pied (16a, 16b) de support, destiné à solliciter le plateau (60a) dudit pied en pivotement autour d'au moins le premier axe (C) horizontal par rapport à son embase (24a) pour en vérifier la bonne articulation préalablement à son utilisation.  - a mechanical articulation means (28a) which is interposed between the upper plate (26a) and the lower base (24a), to allow the plate (26a) to pivot relative to the base (24a) around at least a first axis (C) horizontal characterized in that it comprises at least one means (74) for actuating the support foot (16a, 16b), intended to urge the plate (60a) of said foot pivotally about at least the first axis (C) horizontal relative to its base (24a) to verify the good articulation prior to its use.
2. Structure (10) selon la revendication précédente, caractérisée en ce que l'embase (24a) et le plateau (26a) sont reliés en pivotement par le moyen d'articulation (28a) autour d'un second axe (D) horizontal qui est orthogonal audit premier axe (C) horizontal et qui coupe le premier axe (C) horizontal, et en ce que le moyen d'actionnement du pied de support, permet de surcroît de solliciter le plateau dudit pied en pivotement autour du second axe (D) horizontal. 2. Structure (10) according to the preceding claim, characterized in that the base (24a) and the plate (26a) are pivotally connected by the hinge means (28a) about a second axis (D) horizontal which is orthogonal to said first horizontal axis (C) and which intersects the first horizontal axis (C), and in that the means for actuating the support leg makes it possible to in addition to soliciting the plate of said foot pivotally about the second axis (D) horizontal.
3. Structure (10) selon l'une quelconque des revendications précédentes, caractérisée en ce qu'elle comporte au moins une potence (76), agencée à proximité du châssis (12), qui comporte au moins au droit du pied une platine (78) porteuse du moyen (74) d'actionnement, ladite platine (78) étant mobile entre une position haute dans laquelle elle libère une hauteur déterminée au-dessus du châssis (12) pour permettre le passage de la caisse du véhicule automobile et une position basse dans laquelle la platine permet (78) au moyen d'actionnement d'atteindre le pied (16a, 16b) de support pour l'actionner. 3. Structure (10) according to any one of the preceding claims, characterized in that it comprises at least a bracket (76), arranged close to the frame (12), which comprises at least to the foot of a plate ( 78) carrying the actuating means (74), said plate (78) being movable between a high position in which it releases a determined height above the frame (12) to allow the passage of the body of the motor vehicle and a low position in which the plate allows (78) the actuating means to reach the support foot (16a, 16b) to actuate it.
4. Structure (10) selon la revendication précédente, caractérisée en ce qu'elle comporte au moins deux pieds de support (16a, 16b) qui sont agencés transversalement en vis à vis sur le châssis (12), et en ce que la structure (10) comporte deux potences (76), agencées de part et d'autre du châssis (12), qui sont réunies sous la forme d'un portique unique (80) dont une traverse unique (82) porte deux platines (78) porteuses de moyens (74) d'actionnement agencés chacun au droit d'un pied (16a, 16b) correspondant. 4. Structure (10) according to the preceding claim, characterized in that it comprises at least two support legs (16a, 16b) which are arranged transversely opposite the frame (12), and in that the structure (10) comprises two brackets (76), arranged on either side of the frame (12), which are joined in the form of a single gantry (80), a single crossmember (82) carries two plates (78) carrying means (74) actuating each arranged to the right of a foot (16a, 16b) corresponding.
5. Structure (10) selon l'une quelconque des revendications précédentes, caractérisée en ce que chaque moyen (74) d'actionnement comporte au moins deux doigts (82, 84), montés coulissants verticalement en sens inverse l'un de l'autre, qui sont destinés à prendre appui sur la face supérieure (60a) du plateau supérieur d'appui de part et d'autre de l'axe (C) horizontal de pivotement du plateau (26a) pour provoquer son pivotement dans les deux sens de rotation. 5. Structure (10) according to any one of the preceding claims, characterized in that each means (74) for actuating comprises at least two fingers (82, 84) mounted vertically sliding in opposite direction one of the other, which are intended to bear on the upper face (60a) of the upper support plate on either side of the horizontal axis (C) of pivoting of the plate (26a) to cause it to pivot in both directions of rotation.
6. Structure (10) selon l'une des revendications 2 à 5, caractérisée en ce que chaque moyen (74) d'actionnement comporte deux paires de doigts (82, 84 ; 86, 88) verticaux d'actionnement, chaque paire étant comprise dans un plan vertical sensiblement orthogonal à l'autre paire, les doigts (82, 84 ; 86, 88) d'actionnement de chaque paire étant montés coulissants verticalement en sens inverse l'un de l'autre, et étant destinés à prendre appui sur la face supérieure (60a) du plateau supérieur d'appui de part et d'autre de l'un des axes (C, D) horizontal de pivotement du plateau pour provoquer le pivotement dudit plateau (26a) autour dudit axe (C,D) dans les deux sens de rotation. 6. Structure (10) according to one of claims 2 to 5, characterized in that each actuating means (74) comprises two pairs of vertical actuating fingers (82, 84; 86, 88), each pair being lying in a vertical plane substantially orthogonal to the other pair, the actuating fingers (82, 84; 86, 88) of each pair being slidably mounted vertically in opposite directions from each other, and being intended to take pressing on the upper face (60a) of the upper support plate on either side of one of the horizontal axes (C, D) pivoting the plate to cause the pivoting of said plate (26a) about said axis (C , D) in both directions of rotation.
7. Structure (10) selon l'une des revendications 2 à 6, caractérisée en ce que le moyen d'articulation (28a) comporte une colonne (34a) centrale dont un tronçon inférieur (36a) est agencé dans un puits (30a) de l'embase (24a), qui fait saillie verticalement depuis l'embase (24a), vers le plateau (26a), par rapport à laquelle le plateau (26a) est articulé selon lesdits premier et second axes (C, D) horizontal de pivotement du plateau (26a), dont un tronçon supérieur (42a) de positionnement de la colonne (34a), destiné à recevoir un élément conforme de la caisse du véhicule automobile, est d'une forme tronconique de conicité tournée vers le haut, et en ce que chaque moyen d'actionnement (74) comporte une semelle (90), fixée à la platine, qui est traversée par les doigts (82, 84 ; 86, 88) d'actionnement coulissants agencés par paire de part et d'autre d'un perçage (92) vertical de la semelle (90), complémentaire du tronçon supérieur (42a) de positionnement de la colonne (34a). 7. Structure (10) according to one of claims 2 to 6, characterized in that the articulation means (28a) comprises a central column (34a) of which a lower section (36a) is arranged in a well (30a). of the base (24a), which protrudes vertically from the base (24a), towards the plate (26a), with respect to which the plate (26a) is articulated along said first and second horizontal axes (C, D) pivoting of the plate (26a), an upper portion (42a) for positioning the column (34a), intended to receive a compliant element of the body of the motor vehicle, is of frustoconical conical shape facing upwards, and in that each actuating means (74) comprises a plate (90), fixed to the plate, which is traversed by the sliding actuating fingers (82, 84; 86, 88) arranged in pairs of parts and other of a drilling (92) of the vertical sole (90), complementary to the upper section (42a) of the positioning of the olonne (34a).
8. Structure (10) selon la revendication précédente, caractérisée en ce que les doigts coulissants (82, 84 ; 86, 88) de chaque paire de doigts du moyen (74) d'actionnement comportent des touches inférieures (94, 95) d'actionnement du plateau et des extrémités supérieures (96, 97) qui sont susceptibles d'être sollicitées verticalement par des parties (98, 99) d'appui correspondantes d'un levier associé (100, 101) qui est articulé sur la semelle autour d'un axe (102, 103) parallèle à l'axe (C, D) associé de pivotement du plateau du pied (16a, 16b) de support, lesdites parties d'appui (98, 99) étant agencées de part et d'autre de l'axe (102, 103) d'articulation du levier (100, 101), et une extrémité libre de manoeuvre (104, 105) du levier (100, 101) étant susceptible d'être mue verticalement pour actionner en basculement ledit levier (100, 101). 8. Structure (10) according to the preceding claim, characterized in that the sliding fingers (82, 84; 86, 88) of each pair of fingers of the means (74) for actuation comprise lower keys (94, 95) d actuation of the plate and upper ends (96, 97) which are likely to be vertically biased by corresponding bearing portions (98, 99) of an associated lever (100, 101) which is articulated on the sole around an axis (102, 103) parallel to the axis (C, D) associated with pivoting of the support plate of the foot (16a, 16b), said support portions (98, 99) being arranged on either side of the axis (102, 103) of articulation of the lever (100, 101), and a free operating end (104, 105) of the lever (100, 101) being vertically movable to actuate said lever (100, 101) to tilt.
9. Structure (10) selon la revendication précédente, caractérisée en ce que le moyen (74) d'actionnement comporte deux vérins (106, 107) d'axe verticaux dont chacun comporte une extrémité fixe (108, 109) liée à la platine et une extrémité mobile (110, 111) liée à l'extrémité (104, 105) de manoeuvre d'un des leviers (100, 101). 9. Structure (10) according to the preceding claim, characterized in that the means (74) for actuating comprises two cylinders (106, 107) of vertical axis each having a fixed end (108, 109) connected to the plate and a movable end (110, 111) connected to the operating end (104, 105) of one of the levers (100, 101).
10. Structure (10) selon l'une des revendications 3 à 9, caractérisée en ce que la platine (78) est fixée à l'extrémité de la tige (112) d'un vérin (114) dont le corps (116) est fixé sur la potence (82), ladite tige (112) étant mobile entre une position étendue associée à la position basse de la platine (78) et une position rétractée associée à la position haute de la platine (78). 10. Structure (10) according to one of claims 3 to 9, characterized in that the plate (78) is fixed to the end of the rod (112) of a cylinder (114) whose body (116) is fixed on the bracket (82), said rod (112) being movable between an extended position associated with the low position of the plate (78) and a retracted position associated with the high position of the plate (78).
PCT/FR2011/052145 2010-09-20 2011-09-19 Structure for supporting the body shell of a vehicle, comprising a means for actuating a supporting leg WO2012038650A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1057492 2010-09-20
FR1057492A FR2964936B1 (en) 2010-09-20 2010-09-20 SUPPORT STRUCTURE OF A BOX OF A VEHICLE COMPRISING A MEANS FOR ACTUATING A SUPPORT FOOT

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WO2012038650A1 true WO2012038650A1 (en) 2012-03-29

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN115180371A (en) * 2022-08-19 2022-10-14 重庆捷庆机械有限公司 Coating skid cleaning and overturning system

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Publication number Priority date Publication date Assignee Title
JP2000095161A (en) * 1998-09-21 2000-04-04 Honda Motor Co Ltd Vehicle body transfer equipment
JP2004122950A (en) * 2002-10-02 2004-04-22 Honda Motor Co Ltd Workpiece positioning mechanism of conveyance device
FR2867170A1 (en) * 2004-03-05 2005-09-09 Peugeot Citroen Automobiles Sa Motor vehicle e.g. car, body shell transport device for use in e.g. automotive paint shop, has support structure with support surfaces receiving rear part of body shell, and support surfaces formed by mountings to support shell`s front part
FR2939760A1 (en) * 2008-12-15 2010-06-18 Renault Sas STRUCTURE FOR THE SUPPORT OF THE BODY OF A MOTOR VEHICLE HAVING A FOOT OF MOBILE TRAY HOLDER.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000095161A (en) * 1998-09-21 2000-04-04 Honda Motor Co Ltd Vehicle body transfer equipment
JP2004122950A (en) * 2002-10-02 2004-04-22 Honda Motor Co Ltd Workpiece positioning mechanism of conveyance device
FR2867170A1 (en) * 2004-03-05 2005-09-09 Peugeot Citroen Automobiles Sa Motor vehicle e.g. car, body shell transport device for use in e.g. automotive paint shop, has support structure with support surfaces receiving rear part of body shell, and support surfaces formed by mountings to support shell`s front part
FR2939760A1 (en) * 2008-12-15 2010-06-18 Renault Sas STRUCTURE FOR THE SUPPORT OF THE BODY OF A MOTOR VEHICLE HAVING A FOOT OF MOBILE TRAY HOLDER.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115180371A (en) * 2022-08-19 2022-10-14 重庆捷庆机械有限公司 Coating skid cleaning and overturning system

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FR2964936A1 (en) 2012-03-23

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