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
  • B62D65/18—Transportation, conveyor or haulage systems specially adapted for motor vehicle or trailer assembly lines
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
  • B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
  • B65G2201/02—Articles
  • B65G2201/0294—Vehicle bodies

Definitions

• the invention relates to a structure for supporting the body of a ve ve icule automobile, which comprises a movable tray support of the body.
• the invention relates more particularly to a structure for supporting the body of a motor vehicle, a structure which comprises: a frame which extends horizontally,
• means for supporting the body of the motor vehicle comprising at least one support leg which is carried by the chassis and which is capable of being inserted vertically between the chassis and the body of the vehicle.
• 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 able to execute a task on the vehicle crate.
• the support structure is movable to transport the vehicle body from one workstation to another.
• the support structure comprises a generally rectangular horizontal frame of which a first and a second longitudinal member 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.
• Veh icule for example during an application operation wax, mastic, paint or other pasty substance.
• the frame of the support structure of the sled type comprises at least one support foot which is fixed to the frame of the support structure and which is capable of supporting a portion of the underbody of the vehicle body.
• the foot comprises an upper plate whose upper surface appu i is able to cooperate with a lower surface complementary to the crate of the veh icule, for the vertical support of the body.
• the top surface of the base of the foot extends parallel to the underside of the body, so that the upper plate of the foot and the complementary surface of the body are in plane support, or in support of the straight rectilinear.
• the upper support surface of the foot is machined so as to have a slope parallel to the underside of appu i associated the body.
• the slope, or attitude, of the underside of the box may be different from one type of box to another.
• the slope or attitude of the underside of the box varies according to the degree of inclination of the box relative to the support structure, for example when the rear of the box is raised above the front of the box.
• this type of inclined plate foot is unsuitable for a body support structure that is intended to support different types of vehicle body.
• the object of the invention is to provide a structure for supporting the body of a motor vehicle which comprises at least one support leg of which a plate is adapted to a plurality of types of vehicle body.
• the invention proposes a structure of the type described above, characterized in that the support leg comprises:
• a lower base which is mounted on the chassis, an upper support plate which is arranged above the base and which has a generally horizontal upper face for supporting the vehicle body,
• a mechanical articulation means which is interposed between the upper plate and the lower base, so that the plate is pivotally mounted relative to the base around at least a first horizontal axis.
• the articulation means comprises: a central column which projects vertically from the base towards the plate and which delimits a first bore extending along the first horizontal axis of pivoting of the plate;
• a first cylindrical hub which is pivotally mounted in said first bore of the column about the first horizontal axis, and the plate is pivoted on the first hub, so that the plate is pivotally mounted around dud it first horizontal axis;
• the base and the plate are pivoted by the articulation means around a second horizontal axis which is orthogonal to said first horizontal axis and intersects the first horizontal axis;
• the central column delimits a second bore, which extends along said second horizontal axis
• the first hub delimits a cylindrical bore, which extends along the second horizontal axis
• the articulation means comprises a second cylindrical hub, which is pivotally mounted in led it drilling the first hub around the second horizontal axis, the second hub being pivoted on the plate, so that the plate is pivotally mounted together along the first horizontal axis and the second horizontal axis;
• the tray del imitates a light emerging vertically and the column has an upper positioning section that extends through the tray light and is adapted to cooperate with a housing complementary to the veh icule box for the m ise in position the body of the veh icule relative to the frame of the support structure;
• the upper section positioning section of the column is of a frustoconical shape of decreasing section upwards;
• the upper column positioning section comprises at least one vertical flat part which is able to cooperate with a complementary face of the vehicle body box to block in vertical rotation the vehicle body;
• the structure comprises at least two support legs which are arranged facing the frame.
• FIG. 1 is a diagrammatic perspective view, which illustrates a support structure having four support legs mounted on a horizontal frame;
• FIG. 2 is an exploded detail view in perspective, which illustrates a foot of FIG. 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 in cross section, which illustrates the arrangement of the first hub and the second hub of the foot of FIG. 2, in the central column;
• FIG. 4 is a detail view in longitudinal section along the line 4-4 of FIG. 3, which illustrates the arrangement of the first hub and the second hub of the foot of FIG. central column.
• FIG. 1 shows a support structure 10 for supporting the base of the base. the body (not shown) of a motor vehicle.
• the support structure 1 0 has a general design symmetry with respect to a long vertical plane of symmetry (not shown) passing through the m ilieu of the structure 1 0. Elements or components identical and symmetrical with respect to the plane of symmetry will be designated by the same reference numerals a or b as they are located on a first side or a second side of the plane of symmetry.
• the support structure 10 is here of the sled type, or stretcher, that i comprises a frame 12.
• the chassis 1 2 consists of a first spar 1 8a and a second spar 18b long itud inal and parallel, which i relés them by a first transverse cross 20a transverse and a second transverse cross 20b transverse.
• the support structure 1 0 comprises a first front member 14a and a second front member 14b for supporting a front portion of the underbody of the vehicle body.
• the first 14a and second 14b front support members each comprise for example a support arm 22a, 22b of the body, which is pivotally mounted about a vertical axis, whereby each support arm 22a, 22b is adapted to occupy a plurality of positions.
• the support structure 10 has a first rear leg 16a and a second rear leg 16b support a rear portion of the underbody of the vehicle body.
• first rear support leg 16a which is shown in FIGS. 2 to 4
• second rear foot 16b resulting from the description of the first back foot 16a support.
• first rear support leg 16a is called “support leg 16a" thereafter.
• 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 is a parallelepipedal metal part which is fixed on the frame 12 of the structure 10, for example by welding.
• the base 24a delimits a cylindrical central well 30a which extends vertically along a vertical axis A and which opens vertically upwards.
• the base 24a delimits a first cylindrical housing 32a which extends along a first transverse axis B through the central well 30a, the first transverse axis B being secant and orthogonal to the vertical axis A.
• the articulation means 28a comprises a vertical central column 34a of which a lower section 36a is arranged in the well 30a of the base 24a.
• the lower section 36a of the central column 34a delimits a second housing 38a which is coaxial with the first housing 32a of the base 24a, along the first transverse axis B.
• An elastic pin 40a extends through the first housing 32a and the second housing 38a to retain the column 34a on the base 24a.
• the column 34a is adapted to be disengaged from the base 24a by removing the elastic pin 40a, for example to be replaced by a different column.
• Column 34a comprises an upper vertical portion 42a delimiting a first bore 46a which extends along a longitudinal axis C.
• the upper portion 42a of the column 34a delimits 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 hinge 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 delimits an inductive cylindrical bore 52a which extends coaxially with the second bore 48a of the column 34a, along the second transverse axis D.
• 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 portion 56a and a second end portion 58a opposite axial, which each protrude transversely from the column 34a and which cooperate with 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, so that the box is able to be in plane support on the plate 26a.
• the plate 26a delimits a vertical opening 62a which is traversed by the column, so that the plate 26a extends around the upper portion 42a of the column 34a.
• the plate 26a delimits a first housing 64a and a second housing 66a cylindrical along 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 first housing 64a and the second housing 64b respectively of the plate 26a, so that the plate 26a is 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, as shown by the arrow F in FIG.
• the plate 26a is pivotally mounted about the longitudinal axis C, by pivoting the first hub 50a in the first bore 46a of the column 42a, as illustrated by the arrow E in FIG. .
• the first hub 50a is pivotally driven through the second hub 24a which connects the plate 26a.
• the first hub 50a is made of bronze, thus constituting a wear part of the articulation means 28a.
• one end of the second hub 54a defines a threaded hole 68a, shown in Figure 3, for the axial withdrawal of the second hub by means of a complementary threaded rod (not shown), in particular for mounting and disassembling the hinge 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 is able to 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 70a and a second flat 72a, as can be seen in Figures 2 and 4.
• the two flats 70a, 72a extend vertically in opposite directions, and are intended to cooperate with a complementary face of the associated positioning housing of the vehicle body, in order to lock the body in rotation along a vertical axis, relative to the support structure 10.
• the movable plate 26a of the support leg 16a is able to pivot 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 bearing surface of the vehicle body, so that the support leg 16a is adapted 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 of the box exerted on the plate 26a.
• the movable plate 26a of the support leg 16a and the bearing surface of the box are here in plane support.
• the base 24a of the support leg 16a is removably mounted on the frame 12, for example by a screw system, whereby the support leg 16a is adapted to occupy a plurality of positions for be adaptable to support a large number of vehicle body types.
• the base 24a of the support leg 16a can be mounted movably on the frame, for example slidably longitudinally and / or transversely, for example by means of a rail system.
• the base 24a delimits a first frustoconical recess with a vertical axis and an increasing section upwards
• the plate 26a delimits a second frustoconical recess with a vertical axis and an increasing section towards the bottom. , the second recess being arranged opposite the first recess.
• the hinge means consists of a ball which is interposed vertically between the base 24a and the plate 26a, so as to cooperate with the first and second recesses, whereby the plate is pivotally mounted around a transverse axis and a longitudinal axis.

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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)
• Motor Or Generator Frames (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=41009301

Family Applications (1)

Country Status (4)

Families Citing this family (4)

Family Cites Families (3)

• 2008
  • 2008-12-15 FR FR0858589A patent/FR2939760B1/fr not_active Expired - Fee Related
• 2009
  • 2009-12-01 EP EP09803797A patent/EP2365925A1/fr not_active Withdrawn
  • 2009-12-01 WO PCT/FR2009/052354 patent/WO2010076444A1/fr active Application Filing
  • 2009-12-14 AR ARP090104858 patent/AR074742A1/es unknown

Non-Patent Citations (1)

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