• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
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  • 优先权
    • 专利摘要:
    cross member and method for mounting a component to a vehicle chassis spar. the present invention relates to a cross member (1) for a vehicle having a chassis frame comprising two longitudinal spars (beams, bars) (2a, 2b), wherein the cross member (1) comprises a main portion (4) and two end sections (5a, 5b) wherein each end section (5a, 5b) comprises an outer surface (6a, 6b) for facing (facing) an inner surface (7a, 7b) of a stringer of longitudinal chassis (2a, 2b). in accordance with the present invention, the cross member (1) comprises at least one protrusion (protrusion, projection) (8) extending from the outer surface (6a, 6b) of the end sections (5a, 5b) to be introduced to a hole (hole) or notch (notch) (9) of the longitudinal frame spar (2a, 2b) for forming a form lock for one or more components (11) to be mounted to the longitudinal frame spar (2a) , 2b).
    公开号:BR112015030827B1
    申请号:R112015030827-9
    申请日:2013-06-11
    公开日:2022-01-11
    发明作者:Goran Levin；Bengt Kolqvist
    申请人:Volvo Truck Corporation；
    IPC主号:
    专利说明:

    TECHNICAL FIELD OF THE INVENTION
    [0001] The present invention relates to a cross member to be connected to two longitudinal frame stringers, i.e. chassis stringers positioned along the length of the vehicle, cross member which also provides for a less complex, and improved, manner, assembly of components for the frame spar (beam, bar). FUNDAMENTALS OF THE INVENTION
    [0002] The component assembly process for a vehicle chassis can be categorized into two main procedures, pre-assembly and final assembly. During pre-assembly, the individual components are assembled together as modules, while final assembly represents the final assembly step where the individual components or pre-assembled modules are positioned in the correct position on the vehicle chassis frame and, thereafter, mounted to the frame by means of fasteners. Many types of assembly techniques are used in the automotive industry for attaching components to the chassis (chassis frame) of a vehicle. Assembly generally includes the use of fasteners such as screws, rivets and/or pins that connect the component to the frame spar.
    [0003] In US patent application number US 2009/0303179, a retention device for attaching an extension part to the chassis frame of a vehicle is described. The retention device is attached to the outer side of the chassis frame. The retention device comprises a hook for attaching an extension part to the chassis frame, and the extension portion has a complementary shaped attachment surface such that a positive locking connection is formed between the retention device and the component.
    [0004] It is in the interest of the vehicle industry to discover improved ways to assemble components and modules to the chassis in such a way that it discovers less expensive and more ergonomic assembly methods. When mounting a component to a heavy vehicle frame spar, there is often also a focus on achieving a connection between the component and the vehicle that will have improved strength. SUMMARY OF THE INVENTION
    [0005] An object of the present invention is to discover an improved way of assembling components for the chassis frame with improved results in terms of increased robustness, improved ergonomics during assembly and maintenance, less complexity, and less assembly costs. . In particular, it is an object of the present invention to find an improved way of mounting wheel suspension components to a vehicle chassis structure and at the same time achieving a more stable wheel axle construction.
    [0006] The object of the present invention is achieved by a vehicle having a chassis structure comprising two longitudinal spars by a transverse member in accordance with the accompanying claim framework. The cross member comprises a main part and two end sections wherein each end section comprises an outer surface for facing (facing) an inner surface of a longitudinal chassis spar wherein the cross member comprises at least one protrusion (protrusion, projection) extending from the outer surface of the end sections to be inserted into a hole or notch in the frame spar to form a form lock for one or more components to be mounted to the longitudinal frame spar.
    [0007] The cross member makes it possible for a more stable construction to be achieved as the shape lock provides a tightly tight connection with low tolerance distances and high connection area between the component and the cross member. Additionally, the construction is stabilized as the outer surface of the cross member is aligned to the inner surface of the frame stringers. This results in a more stable connection of a component to the frame spar than adding a connecting member to the outer surface of the frame spar to mount the component.
    [0008] Additionally, by locking the shape and its position on the outer side of the cross member end sections, the cross member can also provide direct mechanical support for the component to be tied. For example, this is important for large modules to be mounted to both sides of the chassis, such as a wheel axle suspension module.
    [0009] In addition, by using the cross member, the component assembly procedure is made less complex as the exact positioning of the component on the chassis becomes easier to find out due to the fact that the protrusions of the cross member become extending over the outer side of the chassis spar, fewer fasteners are needed; and because of the added stability achieved by the cross member, assembly steps can be moved from the final assembly to the pre-assembly procedure. For example, for a wheel axle suspension module, wheel alignment can be done already during a pre-assembly procedure. In addition, improved ergonomics for the worker is achieved as the shape lock created by the protrusion and the complementary recess make it easy to assemble modules or complete units rather than separate components. Also, the possibility to form lock components directly to the protrusions on the cross member reduces the amount of other types of fasteners needed.
    [0010] In embodiments of the present invention, an outer portion of the bulge is adapted to lock the component upwardly and/or downwardly relative to a vehicle height direction. As a result, the component can be significantly stabilized in the vertical direction of the vehicle in that any vertical forces to which the component is exposed will be directly distributed to the cross member.
    [0011] In embodiments of the present invention, an outer portion of the protrusion is adapted to lock the component relative to the length direction of the longitudinal chassis spar. As a result, the component can be significantly stabilized in the vehicle's length direction in that any longitudinal forces to which the component is exposed will be directly distributed to the cross member.
    [0012] In embodiments of the present invention, an outer portion of the protrusion is adapted to lock the component rotationally (R) relative to one direction along the chassis stringers. This can be achieved, for example, by using at least one protrusion of which the outer part has a non-circular cross-sectional area or by using at least two circular protuberances on each outer surface of the cross member to face the surface. inside the chassis stringers. This is an efficient way of creating improved stability for a component to be mounted to the chassis frame as the cross member will support the component as an integrated part of the component.
    [0013] In embodiments of the present invention, an outer portion of the protrusion is adapted to lock the component in a transverse direction relative to the length direction of the longitudinal chassis spar. The locking mechanism ensures more accurate positioning in the transverse direction compared to using traditional fasteners such as screws, rivets and pins. When using screws, rivets and pins, the exact positioning is dependent on the worker assembling the component, while when using the shape lock, the component can be more accurately positioned in the transverse direction. This combined with the direct connection to the cross member results in a significant increase in strength in the cross direction.
    [0014] In embodiments of the present invention, an inner part of the protrusion is arranged to form a shape lock for the chassis spar. As a result, a shape lock between the chassis and the cross member is created in addition to the shape lock between the cross member and the component. The cross member will therefore be attached with increased strength to the chassis frame compared to tying with just screws or pins. Therefore, the component will form an integrated unit with both the cross member and the frame stringers. As a result, high stability is achieved, which is advantageous for components with a high impact load, for example a wheel axle suspension module. In other words, the protrusions are positioned on the chassis frame with increased precision in such a way that the resulting connection between the component and the protuberance can be superior compared to, for example, using a form-fitting detent mounted to the outer side of the chassis by traditional fastening feature. In order to obtain a similar locking function of the frame spar, the outer surface may alternatively comprise one or more additional protuberances, wherein the additional protuberances are arranged to form a form lock between the cross member and the frame spar.
    [0015] In embodiments of the present invention, the main part of the cross member comprises connection points for mounting additional functional components. As a result, efficient assembly of components, such as a wheel axle suspension module, can be achieved.
    [0016] In accordance with a second aspect of the present invention, the object is achieved by a vehicle in accordance with the accompanying claim 9. The vehicle comprises a cross member as described above, wherein the cross member is disposed between two longitudinal chassis spars of the vehicle and the at least one protrusion extends through a longitudinal chassis spar and forms a form lock for the component, wherein the component comprises at least one recess of complementary configuration compared to at least an outer portion of the at least one protuberance. As previously described, such a cross member provides several advantages when used in a vehicle, in terms of higher stability of components assembled to the chassis using the cross member as a connector, of less expensive construction due to the fact that it makes it possible to use assembly processes. less complex with fewer assembly steps in the final assembly assembly procedure.
    [0017] In embodiments of the present invention, the component comprises additional connection points, for example, threaded holes, for attaching the component (or module) to the bulge; and/or to the chassis spar. As a result, the component can be fixed in the remaining directions where the protuberance does not form a blockage. For example, in the case of mounting from the top, the component can be additionally secured by fasteners attached to the top of the protuberance. Also, the component can be additionally fixed to the frame spar by traditional fasteners.
    [0018] In embodiments of the present invention, the component to be connected to the chassis stringers is a tractioned or non-tractioned wheel suspension unit. It can be a rigid wheel axle unit or an individual wheel suspension unit. For example, the wheel suspension unit may comprise at least two suspension brackets, each comprising at least one recess with complementary configuration compared to at least the outside of the protuberance for forming a shape lock for the cross member and /or for the chassis stringers. Using the cross member of the present invention for mounting a wheel suspension module allows for significant improvements during the assembly process as the exact position of the wheel assembly module makes it possible for wheel alignment to be done as a pre-assembly step. Currently, the wheel assembly is first mounted to the chassis and wheel alignment is done on the final assembly to the chassis. Additionally, the final assembly is made less complex as the shape lock makes it possible to use fewer other fasteners in the narrow space available in the chassis. Additionally, a significantly more stable construction is achieved due to the direct mechanical support of the cross member and/or chassis spars created by the protrusions, which at least partially integrates the cross member into the wheel suspension arrangement. For example, in the case of using a single wheel suspension, the longitudinal frame spars of the vehicle may be exposed to rotational forces in the transverse direction during travel. Direct connection to the cross member via the form-locking protrusions on the two longitudinal frame spars results in efficient stabilization of the frame spars in the transverse direction. In contrast to this, current extra support structures are utilized in order to mitigate the instability effects of such transverse rotational forces.
    [0019] In embodiments of the present invention, a height between a top surface and a bottom surface of the end sections may be less than the height of the cross member. This makes it possible for cables and piping to be able to be mounted along the inner side of the frame spar efficiently.
    [0020] In accordance with a third aspect of the present invention, the object is achieved by a method for mounting a component to a longitudinal chassis spar of a vehicle in accordance with the accompanying claim 15. The method for mounting a component to a longitudinal frame spar of a vehicle comprises the steps of: a) providing a cross member in accordance with the present invention; b) providing a component having a recess that has an essentially complementary configuration compared to at least an external part of the at least one protrusion; c) inserting at least one protrusion into a hole or notch of a longitudinal chassis spar in such a way that at least an external part of the protuberance extends through the hole or notch and into a external surface of the longitudinal chassis spar; and d) connecting the component to the longitudinal frame spar by enabling the protrusion to be received in the recess of the component to form a form lock for the component.
    [0021] The advantages of the method in accordance with the present invention are that modular assembly is facilitated in such a way that fewer assembly steps are required in the final assembly, ergonomics are increased, and less complexity and costs are reduced. as explained earlier. BRIEF DESCRIPTION OF THE DRAWINGS
    [0022] In the following, the present invention will be described in greater detail by way of reference to illustrative embodiments of the present invention and with reference to the Drawings of the accompanying Figures. In the Drawings of the accompanying Figures:
    [0023] Figure 1a shows a cross member in accordance with an embodiment of the present invention and its use in a chassis structure for a vehicle;
    [0024] Figure 1b shows a more detailed view of the protrusion disposed on the cross member in accordance with the embodiment of the present invention shown in Figure 1a;
    [0025] Figure 1c shows a more detailed view of a recess arranged on the component to be mounted, which component has a recess with a complementary configuration like the outside of the protuberance shown in Figure 1b;
    [0026] Figure 2 shows the cross member in accordance with an embodiment of the present invention and its use in a vehicle chassis frame for connecting a wheel suspension module to the vehicle chassis frame; and
    [0027] Figures 3a - 3e show a few examples of end sections comprising at least one protrusion for forming a shape lock for a component to be attached to the vehicle chassis frame.
    [0028] The accompanying Figure Drawings are schematic/diagrammatic representations only and the present invention is not limited to the exemplary embodiments depicted therein. DETAILED DESCRIPTION OF THE INVENTION
    [0029] Figure 1a shows a cross member (1) in accordance with a first embodiment of the present invention and its use in a chassis structure (2a, 2b) for a vehicle. The cross member (1) in accordance with the present invention is applicable for any kind of vehicle, but is particularly advantageous for commercial vehicles, in particular trucks and tractors for towing a trailer.
    [0030] The cross member (1) is a spar member which is adapted to be positioned in a transverse direction between two longitudinal chassis stringers (2a, 2b). Longitudinal chassis stringers refer to chassis stringers that span the length of a vehicle. The two frame stringers (2a, 2b) can, for example, have U-profile cross-sections and can, for example, be perforated in such a way that vehicle components can be attached to the chassis stringers.
    [0031] The cross member (1) comprises a main part (an elongate member) (4) and two end sections (5a, 5b). The elongate member (4) and end sections (5a, 5b) may be formed as a one-piece component or may be formed by tying together two separate end section components to an elongate stringer. The elongate member (4) may have any suitable cross-sectional configuration, such as a U-profile cross-section. The end sections (5a, 5b) may comprise connection points (3a, 3b) for attaching the cross member (1) to the longitudinal frame stringers (2a, 2b). Each end section (5a, 5b) comprises an outer surface (6a, 6b) to face the inner surface (7a, 7b) of the longitudinal chassis spar (2a, 2b). The end sections (5a, 5b) have a height that can be aligned to an inner surface (7a, 7b) of the longitudinal chassis stringers (2a, 2b), wherein the height of the outer surface (6a, 6b) of the cross member ( 1) preferably corresponds to the height of the inner surfaces (7a, 7b) inside the longitudinal chassis stringers (2a, 2b).
    [0032] The cross member (1) comprises at least one protrusion (8) extending from the outer surface (6a, 6b) of the end sections (5a, 5b) to be inserted into a hole or notch (9) of the longitudinal frame spar (2a, 2b) for forming a form lock for one or more components (11) to be mounted to the longitudinal frame spar (2a, 2b). Therefore, at least one protrusion (8) is arranged on an outer surface (6a, 6b) of the end sections (5a, 5b). The at least one protrusion (8) is constructed to extend through the longitudinal chassis spar (2a, 2b). The longitudinal chassis spar (2a, 2b) comprises a hole or notch (9) into which the at least one protrusion (8) can be inserted. In Figure 1a, two protrusions (8) on each end section (5a, 5b) are shown as an example. Therefore, protrusions (8) can be constructed to be inserted into the holes (9) of the longitudinal chassis stringers ( 2a, 2b) and to project from an outer surface (15a, 15b) of each longitudinal chassis spar (2a, 2b). The inner surface (7a, 7b) of the longitudinal frame stringers (2a, 2b) and consequently located on opposite sides of the longitudinal frame stringers (2a, 2b) compared to the external surfaces (15a, 15b). An example of a possible geometry of the bulge (8) is shown in greater detail in Figure 1b.
    [0033] An outer part (12b) of the protrusion (8) is adapted to extend outwardly from the outer surface (15a, 15b) of the chassis spar (2a, 2b). In this way, the outer part (12b) of the at least one protrusion (8) can act as a connecting element between a component (11) and the chassis stringers (2a, 2b). A part of the component (11) comprises a recess (14) which has a complementary geometry compared to at least the outer part (12b) of the protuberance (8), see Figure 1c. Consequently, the bulge (8) makes it possible for there to be a shape lock between the cross member (1) and the component (11) and/or a shape lock for the chassis spar (2a, 2b) can be achieved .
    [0034] The cross member (1) in accordance with the present invention can be applied for tying any kind of component, such as a clamp or a module (i.e. a unit of assembled components) to the longitudinal frame stringers ( 2a, 2b). For example, the component (11) in accordance with the present invention may be a clamp alone comprising at least one recess area (14) for forming the shape lock, the clamp comprising connection points for at least one component or module. Alternatively, the recess (14) can be integrated onto a component or a module (11). The component (11) can be any component to be mounted to the chassis structure (2a, 2b) of the vehicle, such as a fuel tank, a battery box or an after treatment device. An important application of the present invention is where the component (11) is part of a wheel suspension module.
    [0035] The shape lock is defined here as a first part having a first configuration and a second part having a complementary configuration/geometry, in such a way that the first part can be locked to the second part, making it difficult to move the parts in at least least one direction in relation to each other. Therefore, the shape lock is created by at least an outer part (12b) of the at least one protrusion (8) of the end sections (5a, 5b) and the corresponding recess/s configured/complementary recesses (14). ) on the component (11) to be mounted to the frame stringers (2a, 2b), see for example area (A) in Figure 1b and Figure 1c. The use of complementary geometries to achieve a shape lock is also called shape lock, shape fit lock, and positive shape fit lock.
    [0036] The shape lock can therefore make it difficult to move the tied component (11) in a direction longitudinally, vertically, transversely, diagonally and/or rotationally (R) in relation to the chassis stringers (2a, 2b). The vertical direction refers to a direction along the height of the vehicle, the longitudinal direction is along the length of the frame spar, the transverse direction is a transverse direction for the length of the frame spar, and the diagonal direction refers to a direction in any position among the longitudinal direction, the vertical direction and the transverse direction. The rotational direction (R) can be longitudinally, vertically, transversely and/or diagonally with respect to the frame spar. In other words, an outer part (12b) of the protrusion (8) can be adapted to lock the component (11) upwardly and/or downwardly relative to the height direction of a vehicle and/or adapted to lock the component (11) relative to the length direction of the longitudinal frame spar (2a, 2b), and/or adapted to lock component (11) rotationally (R) relative to a direction along the frame spars (2a, 2b), and/or or adapted to lock the component (11) in a transverse direction relative to the length direction of the longitudinal chassis spar (2a, 2b).
    [0037] Preferably, an inner part (12a) of the protrusion (8) is arranged to form a shape lock for the chassis spar (2a, 2b). Therefore, the inner part (12a) of the protuberance (8) may comprise a geometric configuration that locks the cross member (1) in a direction longitudinally, vertically, transversely, diagonally and/or rotationally (R) with respect to the chassis spar (2a). , 2b). Therefore, the hole or notch (9) of the frame rail (2a, 2b) in this embodiment of the present invention comprises a complementary configuration compared to the inner part (12a) of the protuberance (8). Another way to achieve the same effect is for the outer surface (6a, 6b) to comprise one or more additional protuberances (31), wherein the additional protuberances (31) are arranged to form a shape lock between the member (1) and the chassis spar (2a, 2b). Therefore, in addition to the hole or notch (9) for the at least one protrusion (8), the chassis spar (2a, 2b) may comprise at least an additional hole, notch or recess area that has complementary geometry compared to the at least one additional protuberance (31).
    [0038] An advantageous geometry of the at least one protrusion (8) and at least one complementary recess (14) in the component (11) and in the frame spar (2a, 2b) is shown in Figure 1b and Figure 1c. The inner part (12a) of the protuberance (8) has a circular configuration. As two protrusions (8) are provided on each outer surface (6a, 6b) of the cross member (1), the rotational movement of the cross member (1) in mounted position relative to the frame stringers (2a, 2b) is prevented. The outer part (12b) of the protuberance (8) has a cross-sectional area parallel to the outer surface (6a, 6b) which has a tapered (conical) configuration. In addition, the cross-sectional area can also vary in size depending on the distance from the outer surface (6a, 6b). This results in preventing both rotational movement and movement in the transverse direction with respect to the frame spar (2a, 2b) of component (11). stop position in the height direction or in the length direction during assembly due to the fact that the component comprises a configuration which is complementary with respect to the external part (12b) of the protuberance (8). However, the present invention is not limited to the geometry described above. The geometry and number of protrusions (8) can be varied depending on the desired locking function and the specific assembly requirements of the component (11).
    [0039] In addition, the cross member (1) may comprise connection points (3a, 3b) for connecting the outer surface (6a, 6b) of the end sections (5a, 5b) to the chassis stringers (2a, 2b) . As a result, the blocking of the cross member (1) to the chassis stringers (2a, 2b) can be ensured. Additionally, the protrusion (8) may comprise one or more connection points for connecting the component (11) to the protrusion. (8), for example, a threaded hole. As a result, the component (11) can also be fixed in the movement directions that are not hampered by the shape lock. In parallel, from the recess (14), the component (11) may also comprise additional connection points (20), for example threaded holes for fixing the component (11) to the frame spar (2a, 2b) and/or or to the end sections (5a, 5b) of the cross member (1). Preferably, such connection points (20) are symmetrical both with the frame spar (2a, 2b) and with the holes in the component (11) so that such that fastening elements such as screws, rivets or pins can be used to fasten both the cross member (1) and the component (11) to the frame spar (2a, 2b) simultaneously. It should be noted that the use of a form lock for the frame spar (2a, 2b) makes it possible for bolting to be used as an additional connection feature between the cross member (1) and the frame spar (2a, 2b ), as the shape lock can lock the cross member (1) from rotational movement. This is possible even when high stability is required, such as for a wheel suspension module.
    [0040] The end sections (5a, 5b) of the transverse member (1) may additionally comprise an upper surface (16) and a lower surface (17), preferably T-shaped surfaces, which extend horizontally. The surfaces may each comprise connection points (18) for the elongate member (4).
    [0041] The cross member (1) in accordance with the present invention may have additional functionality in parallel for connecting together longitudinal chassis stringers (2a, 2b) and for acting as a connecting member. For example, a distance/height between the top surface (16) and the bottom surface (17) of the end sections (5a, 5b) may be less than the height of the cross member (1). This is advantageous in that, as a result, a space is created along the longitudinal frame stringers (2a, 2b) in such a way that cables and pipes (30) can be mounted along the length of the frame stringers. longitudinal (2a, 2b). Additionally, the end sections (5a, 5b) can be reinforced at the outer edges (19) to further increase stability between the cross member (1) and the longitudinal frame stringers (2a, 2b). Such reinforcement may also comprise connecting elements (3a, 3b) for connecting the cross member (1) to the chassis spar (2a, 2b). The cross member(1), as a result, is even more stabilized within the chassis profile. Additionally, the main part (4) may comprise connection points (13) for mounting additional functional components. For example, an inner surface of the end sections (5a, 5b) may comprise connection points (13) for an additional vehicle component or module or connection points (13) for the component (11). The connection points (13) can be arranged on an internal surface having an inclined angle to facilitate connection for certain components.
    [0042] When assembling the cross member (1) of the present invention, the following method is applied: provision of a cross member (1) in accordance with an embodiment of the present invention; providing a component (11) having a recess (14) having an essentially complementary configuration compared to at least an outer part (12b) of the at least one protrusion (8); inserting the at least one protrusion (8) into a hole or notch (9) of a chassis spar (2a, 2b) so that at least an outer part (12b) of the protuberance (8) extends through the hole or notch (9) and on an outer surface (15a, 15b) of the chassis stringer (2a, 2b); and tying the component (11) to the chassis spar (2a, 2b) by enabling the protrusion (8) to be received in the recess (14) of the component (11) to form a form lock for the component (11). ).
    [0043] The end sections (5a, 5b) can be connected to the frame stringers (2a, 2b) by fasteners such as screws, rivets and pins. Therefore, the end sections (5a, 5b) are positioned parallel and adjacent to the inner surface (7a, 7b) of the chassis stringers (2a, 2b) in the assembled position. The method may therefore further comprise, after provision of the cross member (1), the step of connecting the cross member (1) to the chassis spar (2a, 2b) by fastening means.
    [0044] After the cross member (1) has been positioned between the chassis stringers (2a, 2b), the component (11) can be mounted to the protrusion (8) of the end sections (5a, 5b) of the member transverse(1), e.g. in a top-down, bottom-up or sideways movement relative to the frame spar (2a, 2b) depending on the size and available space present in the specific mounting situation. In addition to the shape lock created by the protrusion (8), the component (11) can be connected to the chassis frame (2a, 2b) and/or to the cross member (1) by additional fastening features. Additional attachment of the component (11) to the frame stringers (2a, 2b) may include attachment to the bulge (8); and/or fixing to the frame spar (2a, 2b) by fixing features. Therefore, the protuberance (8) can, for example, be provided with a connection point or with several connection points, such as threaded holes.
    [0045] Figure 2 shows an application of the present invention where a cross member (1) is mounted between the chassis stringers (2a, 2b) of a vehicle. Therefore, the cross member (1) is disposed between two chassis stringers (2a, 2b) of the vehicle. At least one protrusion (8) extends through a longitudinal frame spar (2a, 2b) and forms a shape lock for the component (11). The component (11) comprises at least one recess (14) with complementary configuration compared to at least an external part (12b) of the at least one protuberance (8). The cross member (1) can be used as a connecting element for a component (11) which is a traction or non-traction wheel suspension module (21). In Figure 2, the wheel suspension module (21) comprises two clamps (22), each clamp (22) including at least one recess (14) with complementary configuration compared to at least an external part (12b) of the protuberances (8). ) for forming a shape lock for the cross member (1). The clamps (22) are mounted using the shape lock created by the protuberance parts (8) on the two outer surfaces (6a, 6b) of the cross member (1) and the recess (14). Therefore, the clamps (22) are mounted one on each outer side of the frame stringers (2a, 2b). The cable ties (22) are additionally attached to the frame stringers (2a, 2b) by additional fastening features such as screws. In this example, the clamps (22) comprise connection points (23a, 23b, 23c) for suspension elements, such as a reaction rod (24), a hydraulic damper (25) and/or an air spring (26). Additionally, the clamps (22) may include a tie point (26) for an anti-roll bar. The cable ties (22) may also include tie-off points (29) for piping and cabling.
    [0046] In Figure 2, an additional vehicle component (27), a rod at (V) for a wheel suspension is mounted at connection points (13) on an inner surface of the end sections (5a, 5b).
    [0047] A particularly advantageous application of the present invention is to combine the cross member (1) where a shape lock is provided for both the chassis spar (2a, 2b) and the component (11), with a component (11) which is a wheel suspension module (21), insofar as the lock forms between the cross member (1) and the wheel suspension module (21) and the chassis stringers (2a, 2b) results in a significant improvement in robustness compared to using only screws, rivets and pins as fasteners. This is due to the fact that the shape lock between the wheel suspension module (21) and the frame (2a, 2b) and the protuberances (8) of the cross member (1) create a very close (firm) tight fitting connection. where the cross member (1) will act as an integrated part of the wheel suspension module (21). Consequently, the cross member (1) provides mechanical support and stability for the wheel suspension module (21). Consequently, wheel alignment can be done already during pre-assembly. Therefore, the wheel suspension module (21) may be a complete wheel axle module which is attached by an upward drive to and from the protuberances (8) of the cross member (1) extending over the two outer sides of the spars. chassis (2a, 2b), and secured by additional connecting elements. In Figure 2, component (21) is a wheel suspension module for a rigid wheel axle. The present invention is applicable to both driven wheel axles and non-driven wheel axles.
    [0048] It should also be noted that the present invention is not limited to a rigid wheel axle module, but can also advantageously be applied to an individual wheel suspension module. For a single wheel suspension module, the cross member (1) provides significant support in the transverse direction, mitigating the negative effects of rotational forces in the transverse direction.
    [0049] The configuration and number of protrusions (8) can be varied depending on the component (11) to be attached to the chassis. For example, the bulge (8) may have a circular cross-sectional area parallel to the outer end-section surface (6a, 6b). Therefore, the protuberance (8) comprising parts (12a) and (12b) may have a cylindrical configuration. However, in the case of only one protrusion (8) present on the outer surface (6a, 6b), such a configuration can only lock the component (11, 21) in the height direction, in the vertical direction and/or diagonally, and not lock the component rotationally (R) relative to one direction along the frame spar (2a, 2b). Accordingly, it is preferred to use a non-circular geometry of the cross-sectional area, or to use two or more cylindrical protrusions on each outer surface (6a, 6b).
    [0050] In addition, depending on the mounting direction of the component (11) relative to the frame stringers (2a, 2b), e.g. a top-down, bottom-up or lateral movement, the geometry of the bulge (8 ) and the complementary recess (14) can be varied. For example, when the component (11, 21) is mounted in a side drive, the recess (14) may be a hole (9), while when the component (11) is mounted in a top-down or bottom-up drive. above, the recess (14) should either be situated on an edge of the component (11) (thus being a notch) or the hole (9) needs to be enlarged so that there is extra free space available that can be used for inserting the bulge (8) into the recess (14). In the case where the protuberance (8) has a cylindrical configuration and is mounted in a bottom-up or top-down motion, the recess area can be positioned on an outer edge of the component (11) which can be formed to receive the lower half and the upper half of the cylindrical protuberance.
    [0051] Figures 3a - 3e illustrate additional examples of advantageous geometric configurations of the at least one protuberance (8).
    [0052] In Figure 3a, the protuberances (8) form a lock for the component (11, 21) having a tapered (conical) configuration cross-section. If the tapered configuration is in the height direction, the bulge (8) is adapted to lock the component (11) upwards or downwards relatively to a height position. Therefore, when the component (11, 21) is mounted in a bottom-up drive, the protuberances (8) together with the complementary configuration recess (14) form a height stop position for the component (11, 21) and a lock in the longitudinal direction of the vehicle.
    [0053] An additional function of the bulges (8) has been added in Figure 3b. In addition to the tapered configuration cross-sectional area parallel to the outer surface (6a, 6b) of the end sections (5a, 5b), the cross-sectional area of the protuberance (8) also varies in size depending on the distance from from the outer surface (6a, 6b) of the end section (5a, 5b). As a result, movements in the transverse direction relative to the length direction of the longitudinal frame spar (2a, 2b) can be minimized.
    [0054] An additional function of the protrusions (8) has been added in Figure 3c, where the geometry of an inner part (12a) of the protrusion (8) is adapted to form a shape lock for the chassis spar (2a, 2b) . As two such protuberances (8) are present on the outer surface (6a, 6b) of the end sections (5a, 5b), the circular configuration inner parts provide a shape lock in vertical, longitudinal and rotational direction. . The external parts (12b) of the protuberances (8) have the same functionality as the protuberances (8) described in Figure 3b.
    [0055] An additional function of the protrusions (8) has been added in Figure 3d, where an inner part (12a) of the protuberance (8) has a non-circular cross-sectional area parallel to the outer surface (6a, 6b) of the protrusion section. end (5a, 5b), such as a multi-edged configuration, preferably a configuration with more than 4 edges, such as between 4 edges - 12 edges, e.g. a gear wheel type configuration. This makes it possible to use very small tolerances between the protrusion (8) and the frame spar frame (2a, 2b) insofar as the protrusion edges (8) are enabled to be slightly deformed at the insertion of the protrusions (8). ) into the holes (9). As a result, a very close (firm) fit connection between the cross member (1) and the chassis spar (2a, 2b) can be achieved.
    [0056] Figure 3e shows an alternative embodiment of the present invention that has similar advantages as the embodiment of the present invention that is shown in Figure 3d. In Figure 3e, two protrusions of tapered configuration (8) which also have varying cross-sectional size depending on the distance from the outer surface (6a, 6b) for locking the cross member (1) to the component (11, 21) are shown. combined with the presence of two additional protrusions (31) which are located on the outer surface (6a, 6b), additional protrusions (31) which form a lock for the chassis spar (2a, 2b).
    [0057] Figure 3f shows a further alternative embodiment of the present invention that has similar advantages as the embodiment of the present invention which is shown in Figure 3c. In Figure 3f, two protrusions of tapered configuration (8) with cross-section size varying depending on the distance from the outer surface (6a, 6b) for locking the cross member (1) to the component (11, 21) are shown, wherein the inner part (12a) of the protrusions (8) is one and the same for both protrusions (8) and is used for locking the cross member (1) to the frame spar (2a, 2b).
    [0058] To summarize, the present invention relates to a cross member (1) for a vehicle having a chassis frame comprising two longitudinal spars (2a, 2b), wherein the cross member (1) comprises a main part (4) and two end sections (5a, 5b) comprising connection points (3a, 3b) for attaching the cross member (1) to the longitudinal frame stringers (2a, 2b), wherein each end section (5a, 5b) comprises a surface (6a, 6b) for facing (facing) an inner surface (7a, 7b) of a longitudinal chassis spar (2a, 2b) wherein the cross member (1) comprises a bulge (8) extending from from the outer surface (6a, 6b) of the end sections (5a, 5b) to be inserted into a hole or notch (9) of the frame stringers (2a, 2b) to form a form lock for one or more components ( 11) to be mounted to the longitudinal frame spar (2a, 2b).
    [0059] The present invention is not to be considered as being limited to the examples of embodiments described above, a number of further variations and modifications being conceivable without departing from the scope of the accompanying patent claims.
    [0060] Therefore, while the present invention has been described accordingly and with reference to specific exemplifications and preferred embodiments, those skilled in the art will appreciate that the present invention may be embodied in many other different ways without departing from the spirit. invention and the scope of protection of the present invention which is solely limited with regard to what is established by the set of claims subsequently.
    权利要求:
    Claims (15)
    [0001]
    1. Cross member (1) for a vehicle, having a chassis frame comprising two longitudinal spars (2a, 2b), wherein the cross member (1) comprises a main part (4) and two end sections (5a, 5b) ) wherein each end section (5a, 5b) comprises an outer surface (6a, 6b) to face an inner surface (7a, 7b) of a longitudinal chassis spar (2a, 2b), characterized in that the cross member (1) comprises at least one protrusion (8) extending from the outer surface (6a, 6b) of the end sections (5a, 5b) to be introduced into a hole or notch (9) of the longitudinal chassis spar (2a, 5b) 2b) for forming a form lock for one or more components (11) to be mounted on the longitudinal frame spar (2a, 2b).
    [0002]
    2. Transverse member (1), according to claim 1, characterized in that an external part (12b) of the protuberance (8) is adapted to block the component (11) upwards and/or downwards in relation to the direction of vehicle height.
    [0003]
    3. Transverse member (1), according to claim 1 or 2, characterized in that an external part (12b) of the protuberance (8) is adapted to block the component (11) in relation to the length direction of the spar of longitudinal chassis (2a, 2b).
    [0004]
    4. Transverse member (1) according to any one of claims 1 to 3, characterized in that an external part (12b) of the protuberance (8) is adapted to lock the component (11) rotationally (R) in relation to in one direction along the longitudinal frame stringers (2a, 2b).
    [0005]
    5. Transverse member (1), according to any one of claims 1 to 4, characterized in that an external part (12b) is adapted to lock the component (11) in a transverse direction in relation to the length direction of the stringer of longitudinal chassis (2a, 2b).
    [0006]
    6. Transverse member (1) according to any one of claims 1 to 5, characterized in that an inner part (12a) of the protuberance (8) is arranged to form a shape lock for the longitudinal chassis spar ( 2a, 2b).
    [0007]
    7. Transverse member (1) according to any one of claims 1 to 6, characterized in that the outer surface (6a, 6b) comprises one or more additional protuberances (31), wherein the additional protuberances (31) are arranged to form a form lock between the cross member (1) and the longitudinal frame spar (2a, 2b).
    [0008]
    8. Transverse member (1), according to any one of claims 1 to 7, characterized in that the main part (4) comprises connection points (13) for mounting additional functional components.
    [0009]
    9. Vehicle, comprising a cross member (1) of the type defined in any one of claims 1 to 8, wherein the cross member (1) is disposed between two longitudinal chassis spars (2a, 2b) of the vehicle characterized by the fact that the at least one protrusion (8) extends through a longitudinal chassis spar (2a, 2b) and forms a shape lock for the component (11), wherein the component (11) comprises at least one recess (14) with complementary configuration compared to at least an outer part (12b) of the at least one protuberance (8).
    [0010]
    10. Vehicle, according to claim 9, characterized in that the component (11) comprises additional connection points (20) to fix the component to the bulge (8); and/or the longitudinal frame spar (2a, 2b).
    [0011]
    11. Vehicle, according to claim 9 or 10, characterized in that the component (11) to be connected to the longitudinal chassis stringers (2a, 2b) is a wheel suspension module.
    [0012]
    12. Vehicle according to any one of claims 9 to 11, characterized in that the component (11) to be connected to the longitudinal chassis stringers (2a, 2b) is an individual wheel suspension module.
    [0013]
    13. Vehicle according to any one of claims 9 to 12, characterized in that the component (11) is a traction or non-traction wheel suspension module comprising at least two suspension clamps (22) which each one comprises at least one recess (14) of complementary configuration compared to at least the outer part (12b) of the protuberances (8) to form a shape lock for the cross member (1).
    [0014]
    14. Vehicle according to any one of claims 9 to 13, characterized in that a height between an upper surface (16) and a lower surface (17) of the end sections (5a, 5b) may be less than the height of the cross member (1).
    [0015]
    Method for mounting a component on a longitudinal chassis spar of a vehicle, characterized by: a) providing a cross member (1) of the type defined in any one of claims 1 to 8; b) providing a component (11) having a recess (14) having a complementary configuration compared to at least an outer part (12b) of the at least one protuberance (8); c) inserting the at least one protuberance (8) into a hole or notch (9) of a longitudinal frame spar (2a, 2b) such that at least an outer part (12b) of the protrusion (8) extends through the hole or notch (9) and into an outer surface (15a, 15b) of the longitudinal frame spar ( 2a, 2b); and d) connecting the component (11) to the longitudinal frame spar (2, 2b) by enabling the bulge (8) to be received in the recess (14) of the component (11) to form a form lock for the component (11).
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    同族专利:
    公开号 | 公开日
    CN105283376A|2016-01-27|
    EP3007962A1|2016-04-20|
    WO2014200392A1|2014-12-18|
    KR20160018667A|2016-02-17|
    EP3007962B1|2018-04-18|
    BR112015030827A2|2017-07-25|
    EP3007962A4|2017-02-22|
    CN105283376B|2018-04-17|
    US9616929B2|2017-04-11|
    KR102047420B1|2019-11-22|
    US20160121929A1|2016-05-05|
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    法律状态:
    2018-12-04| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2020-04-07| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2021-07-20| B350| Update of information on the portal [chapter 15.35 patent gazette]|
    2021-11-03| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2022-01-11| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 11/06/2013, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    PCT/SE2013/000098|WO2014200392A1|2013-06-11|2013-06-11|Cross-member and method for mounting a component to a vehicle frame beam|
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