Supporting device for supporting module
By designing an optimized support device on the vehicle multi-beam frame, using multiple support points and elastic support members to compensate for the torsional load, the deformation and stress problems caused by torsional force of the energy supply module on the vehicle are solved, and the module safety is achieved Stable support and extended life.
Patent Information
- Application Number
- CN202410748512.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Priority Date
- 2023-06-15
- Filing Date
- 2024-06-11
- Publication Date
- 2024-12-17
AI Technical Summary
The prior art is difficult to effectively prevent the deformation and stress caused by torsional forces of the energy supply module on the vehicle under the multi-beam frame, resulting in damage to the module, and increasing the torsional resistance of the frame usually increases weight and manufacturing costs.
A support device is designed, including at least three support points, installed on the load-bearing structure, and by optimizing the position and connection method of the support points, compensating the torsional load, ensuring that the module is free of stress and vibration during torsion, reducing the risk of damage. The support points are distributed in the torsion axis of the load-bearing structure and its nearby locations. The stiffness and position of the support points are adjusted by using elastic support members and compensation devices to achieve stress-free support.
It significantly reduces the risk of module damage caused by torsional forces, extends service life, and reduces the additional burden on the frame, and improves the protection effect of the vehicle's energy supply module.
Smart Images

Figure CN119142126A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to a support device for supporting a module on a support structure. The invention also relates to a support structure having at least one such support device. Furthermore, the invention relates to a vehicle having at least one support device or a support structure having such a support device. Background Art
[0002] The progressive defossilization of the transport sector requires the use of new and complex technologies for the energy supply of vehicles. One challenge that arises is the support or suspension of energy supply modules (e.g. batteries and / or fuel cells) on the vehicle as well as the associated facility parts and machine units in order to protect these sensitive components in particular from external forces.
[0003] In particular in motor vehicles and / or trailers, multi-beam frames serve as load-bearing structures for the drive, the body and the payload. One of the most common and stable configurations of multi-beam frames is the box frame. This is an approximately rectangular, bisymmetrical multi-beam frame which, in the simplest embodiment, consists of two longitudinal beams which are arranged parallel to one another and are connected to one another by at least two cross beams. The longitudinal beams and cross beams are usually designed as C-profiles and / or solid profiles. The aforementioned multi-beam frames are designed for particularly high load capacities, making them particularly suitable for supporting energy supply modules, for example.
[0004] However, the vehicle on which the multi-beam frame is installed has a large wheelbase, which causes the multi-beam frame to be frequently subjected to strong torsional forces. In particular, when used on uneven terrain, the multi-beam frame is subjected to lateral forces. The resulting torque can lead to severe deformations and stresses in the multi-beam frame, which, if not ideally supported, can also be transmitted to other vehicle components arranged on the multi-beam frame and may cause permanent damage to them.
[0005] In order to be able to securely attach the energy supply module to the multi-beam frame without the risk of damaging the energy supply module in the event of torsional loads, the transmission of forces to the energy supply module should be prevented as much as possible. One measure to achieve this is to make the multi-beam frame as torsion-resistant as possible by increasing its dimensions. However, since this generally has a negative impact on the weight and / or the manufacturing costs of the multi-beam frame, attempts have been made to decouple the energy supply module from mechanical oscillations and vibrations occurring on the load-bearing structure or the multi-beam frame or to dampen them by means of suitable support devices.
[0006] Support devices for supporting energy supply modules in vehicles are known in the prior art and are disclosed, for example, in WO 22108446 A1. This document describes the elastic mounting of a fuel cell on a multi-beam frame of a motor vehicle using elastic bearings. Summary of the invention
[0007] The object of the present invention is to provide a supporting device having improved properties for protecting a module arranged on a load-bearing structure.
[0008] This object is achieved by a supporting device having the features of patent claim 1 .
[0009] Further refinements are given in the enclosed dependent claims.
[0010] The support device according to the invention comprises at least three support points which are designed to be mounted to a load-bearing structure, for example in the form of a multi-beam frame of a motor vehicle. The load-bearing structure has a first torsion axis and a second torsion axis. The support points support at least one module and compensate its support point in the event of torsion loads. In this case, the support points are arranged at different positions on and / or in the vicinity of the first or second torsion axis of the load-bearing structure.
[0011] The inventors have recognized that by advantageously positioning the support points and / or coupling them to each other, the occurrence of torsion-related damage to the modules installed in the vehicle can be minimized. When positioning the support points, it is important to take into account the position of the torsion axis of the load-bearing structure on which at least one module is arranged. The two torsion axes relevant to the design of the support points are usually defined by the shear center points of the longitudinal beams and the cross beams of the load-bearing structure. The first torsion axis passes through the two shear center points of the parallel longitudinal beams. The second torsion axis passes through the two shear center points of the cross beam connecting the two longitudinal beams. The shear center point is the point that remains stationary under torsion load. In the case of a bisymmetrical design of the load-bearing structure, the two torsion axes to be considered are located on the orthogonal symmetry axes of the load-bearing structure. The assignment of the support points to the first or second torsion axis can result in, for example, at least one support point assigned to the first torsion axis being located in a support plane that is perpendicular to the first torsion axis and extends between the load-bearing structure. At least one of the other support points assigned to the torsion axis is located in another support plane that extends perpendicular to the second torsion axis and extends between the load-bearing structure and the module to be supported. The support planes can be parallel to each other or perpendicular to each other.
[0012] The support device according to the invention ensures that at least one module is supported safely and simply on the load-bearing structure of the vehicle. The advantageous positioning of the support points and / or the coupling of the support points make it possible to compensate or compensate for torsional loads occurring in particular on the load-bearing structure. In other words, the support device according to the invention ensures that the module mounted on the load-bearing structure is always mounted virtually free of stress and vibration. This means that the risk of damage to the module to be supported due to the occurrence of torsional forces or, for example, excitation of natural frequencies can be significantly reduced and the service life can therefore be increased.
[0013] All support points of the support device can be located in a rest position on a reference plane, in which at least one module is supported without stress. In the rest position, only the weight of the module acts on the support structure. The reference plane can be formed by two torsion axes. Ideally, the support points do not leave the reference plane even if torsional loads occur.
[0014] According to one design solution of the present invention, all support points can be arranged on the torsion axis of the load-bearing structure. The support points can be arranged on two torsion axes, that is, not all support points can be arranged on the same torsion axis. Since the sections of the load-bearing structure located on the torsion axis are hardly affected or not affected at all when torsion load occurs, these positions are particularly suitable for supporting at least one module thereon in a stress-free manner. If all other points located on the load-bearing structure and spaced apart from the torsion axis move in the vertical direction when torsion load occurs, the position of the support points on the load-bearing structure arranged on one of the torsion axes remains essentially unchanged. Therefore, the module can be advantageously mounted on the load-bearing structure on three side surfaces or particularly advantageously on four side surfaces, wherein the respective two side surfaces are opposite to each other.
[0015] Furthermore, a further development of the support device according to the invention can have at least one support point arranged on one of the torsion axes of the load-bearing structure and at least two support points not arranged on one of the torsion axes. The support points are advantageously arranged on opposite side surfaces of the load-bearing structure. The at least two support points not located on one of the torsion axes on the load-bearing structure can be arranged adjacent to each other and spaced apart from the torsion axis by the same amount.
[0016] It is also conceivable to arrange all support points of the support device near one of the torsion axes of the load-bearing structure. In other words, the support device can be configured so that no support point is arranged on one of the torsion axes.
[0017] The supporting points of the supporting device, which are respectively arranged on the same torsion axis, can be arranged on opposite sides of the module. Such a configuration of the supporting device allows a particularly uniform support of at least one module.
[0018] The first torsion axis of the support device may extend in the longitudinal direction of the load-bearing structure, and the second torsion axis may extend in the transverse direction of the load-bearing structure. The two torsion axes may be orthogonal to each other. In the case of a bisymmetrical load-bearing structure, the two torsion axes may intersect at the center of gravity of the load-bearing structure.
[0019] The support device can be designed so that the support point can compensate for a larger or smaller displacement of at least one supporting structure in the vertical direction (z-axis) by its spacing relative to the torsion axis assigned to it. The larger the spacing between the corresponding support point and the support point assigned to it, the greater the displacement of the supporting structure in the vertical direction (z-axis) compensated by the support device. This compensation in the vertical direction can be achieved in opposite directions. If two support points have the same spacing from the torsion axis but are arranged on different sides of the torsion axis, then due to the torsion load on the supporting structure, one support point can compensate for the upward displacement of the supporting structure in the vertical direction, while the other support point can compensate for the downward displacement of the supporting structure. In terms of quantity, the displacements that need to be compensated for the two support points in the vertical direction can be the same.
[0020] At least one compensation device can be designed so that the support point can compensate for different displacements of at least one support structure in the vertical direction (z-axis). These displacements of at least one support structure in the vertical direction (z-axis) can be varied depending on the distance of the respective support point to the torsion axis assigned to it.
[0021] The support point can have at least two support elements. A first support element can be arranged on at least one module to be supported, and a second support element can be arranged on the load-bearing structure. Furthermore, the second support element can be adapted to be coupled to the first support element. This configuration serves primarily for easy assembly and disassembly of the support device. In the assembled state, the first support element can be coupled to the second support element of the support device.
[0022] Another embodiment of the invention also relates to a support device, wherein the position of the support points can be symmetrical relative to the first torsion axis and / or the second torsion axis of the load-bearing structure. This type of arrangement represents a particularly stable and effective support arrangement and is particularly suitable for supporting large and heavy modules.
[0023] An improved solution of the present invention proposes that the support points of the support device can have a defined spring stiffness on the spatial axis. "Spatial axis" can be understood as the x, y and z axes, wherein the z axis can extend in the vertical direction. Different support points can have different spring stiffnesses depending on their position. For example, a support point arranged between a longitudinal beam and a module to be supported can have a spring stiffness different from a support point arranged between a module and a crossbeam. In another example, the spring stiffness of a support point that is not located on the torsion axis can be different from a support point that is located on the torsion axis. By changing the spring stiffness of the individual support points, the support device can be precisely adjusted and adapted to the position of at least one module or support point to be supported.
[0024] In another embodiment, the support points of the support device can have substantially the same spring stiffness relative to the vertical axis (z-axis). In this case, the spring stiffness in the x-axis and y-axis direction can be freely selected. For example, the spring stiffness of the support point in the x-axis and / or y-axis direction can be selected depending on the position of the support point on the load-bearing structure or depending on the position of the support point between the load-bearing structure and the module to be supported.
[0025] Another alternative design solution provides that the support device has at least one compensation device. The compensation device is designed to connect at least two support points that are not located in the torsion plane to each other. By connecting the support points, a simple compensation mechanism can be created, which can compensate for deformations caused by torsion and compensate for changes in the position of the support structure in the vertical direction by reverse movement. For this purpose, the support points arranged next to the torsion axis can be variably positioned relative to the longitudinal and / or vertical axis of the multi-beam frame, so that their position between the support structure and the module to be supported can be freely selected. In this way, the generation of mechanical stresses is prevented and the modules to be supported, which can be sensitive modules, for example, are protected from potential damage.
[0026] The support points can be connected in different ways. In one embodiment, at least two support points of the support device arranged near the torsion axis are pivotally mounted and connected via at least one compensation lever. This can, for example, compensate the vertical position of the connected support points by an oscillating movement. In another embodiment, at least two support points of the support device arranged near the torsion axis can be connected via a cable pull or via fluid technology. The latter connection technology includes pneumatic and hydraulic connection devices, which have the advantage that the spring hardness and the sensitivity of the support points can be adjusted very accurately.
[0027] Furthermore, the second support element in the support device can be designed as a support pin or a support shaft. The support element can be arranged on the side surface of the load-bearing structure and / or on a support plate belonging to the compensation device. The second support element is configured so that it can be coupled to the first support element in a reversible and vibration-damping manner. For example, the support pin can be designed to complement the elastomeric bearing so that the outer peripheral surface of the support pin is reversibly surrounded by the elastomeric bearing in the coupled state.
[0028] In an alternative design, the support device can have a support point with at least two support elements, which are connected to each other via elastic supports. In this design, for example, support pins can be arranged on one side of at least one module to be supported and on one side of the load-bearing structure, which are connected to each other via elastic supports.
[0029] Furthermore, the support point can have at least one support pin as a support element and at least one bushing-shaped support element, into which the at least one support pin extends. The at least one support pin and the bushing-shaped support element can be connected to each other via an elastic support. The elastic support device can be designed so that it can be at least partially accommodated in the bushing-shaped support element. The at least one support pin can in turn be at least partially accommodated in the elastic support.
[0030] Furthermore, the support points of the support device can be arranged on the inside and / or outside of the load-bearing structure. As a result, at least one module can be attached in a cantilevered manner not only between the longitudinal beams of the load-bearing structure, but also on the outside of the longitudinal beams. Due to the additional arrangement of modules on the outside of the load-bearing structure, on the one hand, the number of modules can be significantly increased, and on the other hand, the positioning on the outside of the load-bearing structure is more accessible, which facilitates any repair and / or maintenance work.
[0031] The at least one elastic support element may have at least one elastic body. The at least one elastic body may be made, for example, of an elastomer, a thermoplastic elastomer, a polymer, a rubber or a silicone. The elastic support element may have at least one wire package. The at least one wire package may be designed in the form of a wing. The terms "loop package" or "wire insert" are also used instead of the term "wire package". The at least one wire package may be made of a single wing-shaped wound wire or of at least one single wing-shaped wound wire.
[0032] At least one elastic support member may be designed as an elastic sheet. The elastic support member may have two bushings embedded in the elastomer. The two bushings may be coupled to each other via at least one wire package. At least one wire package may be embedded in the elastomer.
[0033] The at least one elastic support may be an elastic bearing. The elastic bearing may have at least one outer bushing and at least one inner bushing. The at least one outer bushing and the at least one inner bushing may be connected to each other via at least one spring element. A plurality of spring elements may be provided, which extend in radial direction between the at least one outer bushing and the at least one inner bushing. A stop body may be arranged between the spring elements in circumferential direction. Such a stop body may buffer a stop between the inner bushing and the outer bushing.
[0034] The at least one elastic spring element can also be made, for example, from an elastomer, a thermoplastic elastomer, a polymer, rubber or silicone.
[0035] The at least one elastic support has good weather resistance and aging resistance and is therefore particularly suitable for use in vehicles. The at least one elastic support may be designed to be attached to a side surface of at least one module to be supported.
[0036] By means of this support arrangement, torsional loads on the load-bearing structure can be completely or at least almost completely compensated. However, in addition to torsional loads, the load-bearing structure may also be subject to other loads. For example, bending loads may act on the load-bearing structure. If the load-bearing structure is, for example, a multi-beam frame of a vehicle, the multi-beam frame may bend along the longitudinal axis due to the load of the vehicle. In addition, misalignments may occur between the load-bearing structure and the module to be supported. Such misalignments may occur, for example, due to tolerances or weight distribution of the module to be supported. Bending loads and misalignments can be compensated by means of a support point having at least one elastic support. In addition, loads due to shocks or vibrations can also be buffered by means of a support point having at least one elastic support. Therefore, a support device having a support point having an elastic support can not only closely balance or compensate torsional loads, but also closely balance or compensate other loads that may act on the load-bearing structure and thus prevent them from being transmitted to the module to be supported.
[0037] The invention further relates to a support device designed for use in a vehicle and to a vehicle having at least one support device according to the invention.
[0038] The invention also relates to a load-bearing structure having at least one support device of the above-mentioned type, which load-bearing structure may be a multi-beam frame having at least one support device of the above-mentioned type.
[0039] Furthermore, the invention relates to a vehicle having at least one supporting device or at least one load-bearing structure of the type described above.
[0040] In particular, at least one of the modules to be supported can be an energy supply module. Thus, the module to be supported can be an energy supply module, for example in the form of a battery or a fuel cell.
[0041] In the following description of the figures, the load-bearing structure is simplified as an example only to a multi-beam frame with two parallel longitudinal beams, which are connected to each other by two cross beams and are spaced apart from each other. The longitudinal beams and the cross beams are connected to each other to form a closed and symmetrical profile. However, the support device according to the invention is not limited to use on multi-beam frames in this simplified embodiment. The support device can also be used on asymmetric and / or multi-beam frames with multiple closed and / or open profiles.
[0042] The present invention will be explained below by way of example using embodiments with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0043] Figure 1 is a perspective view of the support device in an unloaded state;
[0044] Figure 2 is a perspective view of the support device in a twisted state;
[0045] Figure 3 is a perspective view of the support device in a twisted state;
[0046] Figure 4 is based on Figure 3 A top view of a supporting device;
[0047] Figure 5 is based on Figure 3 A longitudinal section of a supporting device;
[0048] Figure 6 is based on Figure 5 A partial enlarged view of the supporting device;
[0049] Figure 7 is based on Figure 4 The cross section of the supporting device;
[0050] Figure 8 is a perspective view of an alternative support device in an unloaded state;
[0051] Fig. 9 is based on Figure 8 A top view of a supporting device;
[0052] Fig.10 is based on Fig. 9 A top view of a supporting device;
[0053] Fig.11 is along Fig.10 A cross-sectional view of line XI-XI;
[0054] Fig.12 is a perspective view of an alternative support device in an unloaded state;
[0055] Fig.13 is based on Fig.12 A top view of a supporting device;
[0056] Fig.14 is along Fig.13 A section view of section line XIV-XIV in FIG.
[0057] Fig.15 is based on Fig.13 A partial enlarged view of the supporting device;
[0058] Fig.16 is a perspective view of an alternative embodiment of a support device in an unloaded state;
[0059] Fig.17 is based on Fig.16 A top view of a supporting device;
[0060] Fig.18 is along Fig.17 A cross-sectional view taken along section line XVIII-XVIII in FIG.
[0061] Fig.19 is a top view of an alternative support device. DETAILED DESCRIPTION
[0062] exist Figure 1 1 shows a load-bearing structure 100, which can be, for example, a multi-beam frame of a vehicle. More precisely, the multi-beam frame shown is designed as a box frame. The support device according to the invention can be used to support a module 26 on the load-bearing structure 100. The module 26 to be supported can be, for example, an energy supply module such as a battery or a fuel cell.
[0063] The multi-beam frame 100 shown as an example is designed to be bisymmetrical and has at least a first longitudinal beam 12a and a second longitudinal beam 12b. In the form shown, the longitudinal beams 12a, 12b are shown as C-profiles. At least two longitudinal beams 12a, 12b extend parallel to each other and are connected to each other in the proximal part 32a, 32b by at least one first crossbeam 14a and in the distal part 34a, 34b by a second crossbeam 14b and are spaced apart from each other by a certain distance. In this design, the crossbeams 14a, 14b are also designed as C-profiles. The profiles of the longitudinal beams 12a, 12b and the profiles of the crossbeams 14a, 14b are arranged so that their flanges are aligned with each other and their profile backs 16 face each other. In this arrangement, the longitudinal beams 12a, 12b and the two cross beams 14a, 14b form a closed contour with a rectangular intermediate space 20, which is delimited by the profile backs 16 of the longitudinal beams 12a, 12b and the profile backs 18 of the cross beams. The intermediate space 20 is dimensioned so that at least one energy supply module 26 can be supported therein. Each of the at least two longitudinal beams 12a, 12b and each of the at least two cross beams 14a, 14b has a longitudinal axis 22, 23 extending in the respective longitudinal direction. In addition, the multi-beam frame 100 has a first torsion axis T1 and a second torsion axis T2 which are located on two axes of symmetry of the multi-beam frame 100. Figure 1 The multi-beam frame 100 is shown in a rest position, wherein the longitudinal axes 22 , 23 and the torsional axes T1 , T2 all lie in one plane.
[0064] Figure 2 Shown in perspective Figure 1The torsion state of the multi-beam frame 100 and the energy supply module 26 in FIG. The relative torsion of the longitudinal beams 12a, 12b and the transverse beams 14a, 14b and their longitudinal axes 22, 23 about the torsion axes T1 and T2 can be seen. The angular amounts α, β are arranged between the longitudinal axes 22, 23 of the longitudinal beams 12 and the transverse beams 14 in the static state of the support structure 100 (dashed lines) and the longitudinal axes 24, 25 of the longitudinal beams 12 and the transverse beams 14 in the twisted state of the support structure 100 (dotted lines). The movement of the longitudinal beams 12a, 12b and the transverse beams 14a, 14b in the vertical direction is achieved by the torsion-related relative movement of the longitudinal beams 12a, 12b and the transverse beams 14a, 14b. The sections of the longitudinal beams 12a, 12b and the cross beams 14a, 14b divided by the torsion axes T1, T2 are moved upward or downward in opposite directions relative to the corresponding torsion axes T1, T2, as shown by the arrow directions at angles α, β. The points where the longitudinal beams 12a, 12b and the cross beams 14a, 14b of the multi-beam frame 100 intersect the torsion axes T1, T2 remain almost unchanged in their vertical positions.
[0065] Figure 3 A perspective view of the support device 10 in a twisted state is shown. Further, an energy supply module 26 is arranged in the intermediate space 20. The energy supply module 26 has four side surfaces, which are arranged parallel to the profile backs of the longitudinal beams 12a, 12b and the profile backs of the cross beams 14a, 14b. The energy supply module 26 is connected to the multi-beam frame 100 via four support points 28, 30. Here, two support points 28a, 28b connect the longitudinal beams 12a, 12b and two support points 30a, 30b connect the cross beams 14a, 14b to the side surfaces of the energy supply module. In this design, all support points 28, 30 are positioned on one of the two torsion axes T1, T2 of the multi-beam frame 100. Since the vertical and horizontal positions of the support points 28, 30 located on the torsion axes T1, T2 only change slightly or not at all, the position of the energy supply module 26 does not change despite the torsion load on the multi-beam frame 100. The support device 10 can compensate for torsional loads with the support points 28 , 30 . The torsional loads are thus compensated by the support device 10 and are not transmitted to the energy supply module 26 .
[0066] Figure 4 Shown according to Figure 3 1 shows a top view of a support device 10 with an energy supply module 26. The energy supply module 26 is symmetrically mounted on a multi-beam frame 100 at four support points 28, 30. Each of the four support points 28, 30 is arranged on one of the two torsion axes T1, T2 between the energy supply module 26 and the profile back of the longitudinal beams 12a, 12b or the profile back of the cross beams 14a, 14b.
[0067] Figure 5 Shown according to Figure 4 The longitudinal cross section of the support device is shown in FIG. 1 . Due to the transverse forces acting on the multi-beam frame 100, the longitudinal beams 12a, 12b and the transverse beams 14a, 14b are rotated about the torsion axis T1, T2 by an angle α. Due to the favorable positioning of the support points 30a, 30b on the torsion axis, the position of the energy supply module 26 remains unchanged compared to the rest position of the multi-beam frame 100 without the action of the torsion moment.
[0068] Figure 6 Shown according to Figure 5 Detailed enlargement of one of the support points 30b of the energy supply module 26. The support point 30b comprises two support elements 36, 38. The first support element represents a support pin 36, which in essence is a projection on the side of the profile back plate of one of the longitudinal profiles and / or the crossbeam. In this design, the second support element is designed as a bushing-shaped support element 38, which is arranged on the side surface of the energy supply module 26. The two support elements 36, 38 are connected to each other via a support 60 designed as an elastic bearing, which will be referred to below. Fig.15 Explained in more detail. The elastic bearing 60 accommodates the support pin 36 in sections. At this point, it should be noted that the elastic bearing 60 shown in the figure and acting as a compensating bearing only represents various different embodiments of compensating bearings. These can especially have variable geometries and different characteristics with regard to static and dynamic stiffness and damping. The two support elements 36, 38 are coupled to each other in such a way that the two elements 36, 38 can rotate relative to each other.
[0069] Figure 7 Shows Figure 4 A cross section of the support device 10 is shown. It can be clearly seen that due to the arrangement of the support point on the torsion axis, the position of the energy supply module 26 is not influenced by the relative rotation of the longitudinal beams 12a, 12b.
[0070] Figures 8 to 11 A view showing another embodiment of a support device 10 for mounting an energy supply module 26 on a load-bearing structure in the form of a multi-beam frame 100 is shown. Figures 9 and 10 It can be seen from FIG. 2 that the design is different in particular in the design of the support points 28 , 30 . Fig.11 Shown along Fig.10 Sectional view along section line XI-XI.
[0071] In this design, the support plates 40a, 40b are mounted to both the multi-beam frame 100 and the energy supply module by screws 42a, 42b. A large number of support pins 36a, 36b are arranged on the support plates 40a, 40b. The support pins 36a, 36b are offset by a predetermined angular amount on a circular path K1, K2 extending around the center of the support plates 40a, 40b. In addition, the circular path K2 has a larger radius than the circular path K1, wherein the support plates 40b ( Fig.10 The support pins 36a and 36b are fixed to the energy supply module 26, wherein the support plate 40a is fixed to the energy supply module 26, wherein the support pins 36a on the support plate 40a are fixed to the multi-beam frame 100. An elastic support member 44 in the form of an elastic sheet 44 is arranged at the support point. The elastic sheet 44 extends substantially in a radial direction between the support pins 36a, 36b. These elastic sheets 44 connect the support pins 36a fixed to the multi-beam frame 100 with the support pins 36b fixed to the energy supply module 26. The elastic sheet 44 extends substantially in a radial direction between the support pins 36a, 36b. The elastic sheet 44 is arranged in the axial free space between the support plates 40a, 40b, and is therefore arranged between the multi-beam frame 100 and the energy supply module 26.
[0072] According to this design, the support points 28, 30 are arranged on the torsion axes T1, T2. The support points 30a, 30b arranged on the torsion axis T1 are arranged on opposite sides of the energy supply module 26. The same applies to the support points 28a, 28b arranged on the torsion axis T2. The support points 28a, 28b are also arranged on opposite sides of the energy supply module 26.
[0073] Figures 12 to 15 The illustration shows a further embodiment of a support device 10 for supporting an energy supply module 26 on a supporting structure in the form of a multi-beam frame 100 . Fig.14 Shown along Fig.13 Sectional view along section line XIV-XIV. Fig.12 A perspective view of the support device 10 is shown. The support device 10 has a total of twelve support points 28a-j, 30a, 30b, which are arranged on and in the vicinity of the torsion axes T1, T2. In the stationary state of the support device 10, all support points 28a-j are located in a reference plane formed by the two torsion axes T1, T2 of the multi-beam frame. Two support points 30a, 30b connect the crossbeams 14a, 14b to the energy supply module 26. Each of the five support points 28a-j connects one of the two longitudinal beams 12a, 12b to the energy supply module 26.
[0074] exist Fig.13 As shown in Fig.12In the top view of the support device shown, the support points 28a-j that are not located on the torsion axes T1, T2 are spaced apart from each other at regular intervals along the longitudinal extension direction of the longitudinal beams 12a, 12b. In addition, the support points are arranged symmetrically with respect to the symmetry axis of the energy supply module 26. The symmetry axis of the energy supply module 26 coincides with the torsion axes T1, T2 in a stationary state. A first support plane extends between the energy supply module 26 and the longitudinal support 12a, in which, for example, the section line XIV-XIV can be located. The first support plane extends perpendicular to the second torsion axis T2. The support points 28a-e located in the support plane are assigned to the second torsion axis T2. The same applies to the support points 28f-j located in the second support plane. The second support plane extends between the energy supply module 26 and the longitudinal beam 12b and is perpendicular to the second torsion axis T2. The support points 28f-j are also assigned to the second torsion axis T2. There are also third and fourth support planes, each extending between the energy supply module 26 and one of the crossbeams 14a, 14b and extending perpendicularly to the first torsion axis T1. The support point 30a is located in the third support plane and is assigned to the first torsion axis T1. The support point 30b is located in the fourth support plane and is therefore assigned to the first torsion axis T1. In the case of the support points 30a, 30b, the assignment to the first torsion axis is already given by the fact that the support points 30a, 30b are located on the first torsion axis.
[0075] from Fig.14 The edge shown Fig.13 Starting from the sectional view along the section line XIV-XIF of FIG. 1 , the support points 28a-e which are not located on the torsion axes T1, T2 of the multi-beam frame 100 are connected to each other via a compensation device 48. In this design, the two support points 28b, 28c which are directly adjacent to the middle support point 28e which is located on the second torsion axis T2 are connected to each other via a first compensation lever 50a. The two support points 28a, 28d which are located on the outermost side of the second torsion axis T2 and are farthest away from the support point 28e are connected to each other via a second compensation lever 50b. The connection of the support points 28a-e serves to compensate the position of the support points 28 in the event of a relative movement of the multi-beam frame 10 in the vertical direction due to torsion. The support point 28e which is located on the torsion axis T2 is not connected to any other support point 28 or compensation lever 50a, 50b.
[0076] Fig.15 Shown in detail Figure 12 to Figure 14 The principle and structure of the compensation device 48 shown, namely, Fig.15 Shows Fig.14Magnified view of detail X in . Unlike the support points 28e, 28j, 30a, 30b arranged on the torsion axes T1, T2, the support points 28a-d, fj not arranged on the torsion axes T1, T2 have an additional degree of freedom in the vertical direction (z direction). This degree of freedom is generated by fixing the support pin 36 to the compensation plates 52, 54, wherein the compensation plates are pivotally connected to the multi-beam frame 100 via bolts 56. In addition, the compensation plate 52 is hingedly connected to the compensation lever 50 by bolts 58. According to this design, the two compensation plates 52a, 52b having the same position relative to the torsion axis T2 are hingedly connected to each other by the two ends of the compensation lever 50a and the bolts 58 arranged at these ends. The two compensation plates 54a, 54b are hingedly connected to each other by the two ends of the compensation lever 50b and the bolts 58 arranged at these ends. The support point 28e of the compensation lever 50a on the second torsion axis T2 (see Fig.14 ) in the vertical direction. The compensating lever 50b extends in the vertical direction below the supporting point 28e on the second torsion axis T2. The compensating lever 50a that connects the compensating plates 52a, 52b assigned to the supporting points 28b, 28c to each other is shorter than the compensating lever 50b that connects the compensating plates 54a, 54b assigned to the supporting points 28a, 28d to each other.
[0077] The support pin 36 arranged on the pivotable compensation plate 52, 54 is coupled to a support element 62 on the energy supply module 26 via an elastic support in the form of an elastic bearing 60. The support element 62 on the energy supply module 26 is designed in the shape of a socket. The support element 62 at least partially accommodates the elastic bearing 60.
[0078] The elastic bearing 60 has an inner bushing 64 and an outer bushing 66, which are connected to each other by a spring element 68. The spring element 68 extends in the radial direction between the inner bushing 64 and the outer bushing 66. The stop element 70 is arranged on the outer bushing 66 between the spring elements 68 in the circumferential direction. The spring element 68 and the stop element 70 can be made of an elastomer, rubber or silicone. The support pin 36 is accommodated in the inner bushing 64 in sections. The elastic bearing 60 is accommodated in the bushing-shaped support element 60.
[0079] The compensation device 48 with the lever 50 and the compensation plates 52, 54 allows the coupled support points 28 to interact with each other by means of a linear movement of the compensation lever 50, which ensures that undesired position changes of the support points 28a-d in the vertical direction (z direction) caused by torsion are compensated by the deflection of the compensation plates 52, 54. For example, if the longitudinal beam 12a of the multi-beam frame 100 is pressed upwards at the end at which the support points 28a, 28b are arranged in the case of a torsional load, the weight of the energy supply module 26 pulls at least the support points 28a, 28b downwards. As a result, the compensation plates 52a and 54a deflect downwards about the bolts 56. The compensation lever 50a is pulled toward the longitudinal beam 12a under such a load. Fig.14 Under such a load, the compensation lever 50b will be pressed toward the left side through the deflection of the compensation plates 52a, 54a. Fig.14 The compensating levers 50a, 50b transmit this movement to the compensating plates 52b and 54b, which are pivoted upward in the vertical direction about the bolts 56. With this function, the compensating device 48 can compensate for the torsional loads and prevent them from being transmitted to the energy supply module 26. In this way, the energy supply module 26 can remain essentially free of torsional loads and can remain almost in its static position.
[0080] based on Figure 1 and Figure 2 The deformation of the multi-beam frame 100 due to torsional loads shown in the figure shows that the support device 10 with the compensation device 48 is designed so that, in the case of torsional loads, the support points 28a-d or 28f-i can compensate for different displacements of the longitudinal beams 12a, 12b in the vertical direction (z axis) according to their spacing from the torsional axis T1 or T2 assigned to them. As the spacing of the support points 28a-d or 28f-i relative to the torsional axis T1 or T2 increases in the z-axis direction, the displacement increases. Figure 2 is shown by the angle α and in Fig.14 d. For example, the support points 28a, 28d having the maximum distance A1 from the torsion axis T2 assigned to them can compensate for the maximum displacement Za, Zd in the z-direction of the longitudinal beam 12a. This compensation in the z-direction takes place in the opposite direction, as indicated by the arrows Za, Zd. The support points 28a and 28d have the same distance A1 from the torsion axis T2, but are arranged on different sides of the torsion axis T2. Due to the torsional load and with reference to Figure 2 As well as the deformation of the longitudinal beam 12a shown therein, the support point 28d is moved upward in the z-axis direction (Zd) and the support point 28a is moved downward in the z-axis direction (Za), thereby being able to compensate for the torsional load. In terms of quantity, the displacements Za, Zd to be compensated in the z-direction can be the same for the two support points 28a, 28d.
[0081] The support points 28b and 28c have the same spacing A2 from the torsion axis T2. The spacing A2 to the torsion axis T2 is smaller than the spacing A1. Therefore, the displacement Zb, Zc of the support points 28b, 28c in the z-axis direction is smaller than the displacement Za of the support points 28a, 28d having a larger spacing A1 from the torsion axis T2. The displacement Zb, Zc of the support points 28b, 28c also occurs in the opposite direction. The support point 28e located on the torsion axis T2 does not or hardly shift in the z-axis direction under torsional load.
[0082] In summary, the following points should be noted: The greater the distances A1, A2 from the support points 28a-d to the torsion axis T2, the greater the displacements Za-d of the longitudinal beam 12a in the z-axis direction compensated by the support points 28a-d. The support device 10 and the compensation device 48 are designed so that these displacements Za-d varying along the longitudinal beam 12a can be compensated in the z-axis direction.
[0083] Another design of the support device is as follows Figures 16 to 18 This design is similar to Figures 12 to 15 The illustrated design differs in that the compensating lever 50 connects more than two support points 28a-d. The compensating lever 50 connects four support points 28a-d to one another. The support point 28e is not connected to the compensating lever 50. The support points 28a-j, 30a, 30b are identical to the above-described designs. The support points 28a-j, 30a, 30b have a support pin 36 mounted to the multi-beam frame 100, a bushing-shaped support element 62 arranged on the energy supply module 26, and an elastic bearing 60 connecting the support pin 36 to the bushing-shaped support element 62.
[0084] The compensation mechanism is based on the same principle as described in the previous paragraph. If a similar torsional load situation is assumed with reference to this design, for example, in the case of a torsional load, the longitudinal beam 12a of the multi-beam frame 100 on which the support points 28a, 28b are arranged is pressed upwards at one end, and the weight of the energy supply module 26 pulls at least the support points 28a, 28b downwards. As a result, the compensation plates 52a and 54a are deflected downwards about the bolts 56. The compensation lever 50 is Fig.18 The compensating lever 50 is pulled to the left in the middle and this movement is transmitted to the compensating plates 52b and 54b via the bolt 58. The compensating plates 52b, 54b are deflected upward in the vertical direction about the bolt 56. This movement of the compensating lever 50 and the deflecting movement of the compensating plates 52a, 52b, 54a, 54b about the bolt 56 ensure that the torsional loads on the multi-beam frame 100 are compensated and are not transmitted to the energy supply module 26. In addition to the compensating device 48, the elastic bearing 60 that connects the support pin 36 with the bushing-shaped support element 62 can also compensate for loads caused by shocks and vibrations in addition to compensating for torsional loads.
[0085] The support points 28e, j and 30a, 30b are located on the torsion axes T1 and T2. Due to the location of the mentioned support points on the torsion axes T1, T2, no torsional loads can be transmitted to the energy supply module 26 via these support points, since the regions of the multi-beam frame 100 through which the torsion axes T1 and T2 extend do not change their position or only change their position slightly under torsion loads. Slight changes in the positioning and orientation of these regions of the multi-beam frame 100 can be compensated by the elastic bearings 60 arranged at the support points 28e, 28j and 30a, 30b.
[0086] refer to Figures 12 to 15 The statements made regarding the compensation of the displacement in the z-direction also apply to this design. To avoid repetitions, reference is made to the above-mentioned design. Figures 16 to 18 The illustrated design also applies in that the larger the distances A1, A2 of the support points 28a-d from the torsion axis T2, the larger the displacements Za-d of the longitudinal beam 12a in the z-direction compensated by the support point 28a. The support device 10 and the compensation device 48 are designed such that these displacements Za-d that vary along the longitudinal beam 12a can be compensated in the z-direction.
[0087] Fig.19 Another design of a support device 10 for an energy supply module 26 on a load-bearing structure 100 is shown. According to this design, the load-bearing structure is a multi-beam frame 100. The multi-beam frame 100 has a projection 72. The projection 72 is formed by two support elements 74a, 74b. The energy supply module 26 is mounted on the longitudinal beam 2b and the two support elements 74a, 74b via the support device 10. The support device 10 includes support points 28a-d and support points 30a, 30b on the support elements 74a, 74b. The support points 28a-d and the support points 30a, 30b can have a first support element and a second support element similar to the above-mentioned support points, which are connected to each other by elastic supports.
[0088] The support points 28a-d are arranged on the outer side of the longitudinal beam 12b in the region between the two support elements 74a, 74b. The multi-beam frame 100 has two torsion axes T1, T2. In this embodiment, the torsion axis T1 extending in the longitudinal direction of the multi-beam frame 100 does not pass through the energy supply module 26.
[0089] The schematically shown support points 28a-d are arranged in the vicinity of the torsion axis T2. Figures 12 to 18 As explained in conjunction with the compensation device 48, the schematically shown support points 28a-d are connected to one another. Such a compensation device 48 can compensate for torsional loads and prevent them from being transmitted to the energy supply module 26. Fig.19The section extending to the right of the first torsion axis T1 and including the support elements 74a, 74b is uniformly moved upward or downward, so that no torsional load about the first torsion axis T1 can be introduced into the energy supply module 26. For this purpose, it is sufficient to provide only one support point 30a, 30b between the support elements 74a, 74b and the energy supply module 26. For this purpose, the support points 30a, 30b can also be freely positioned along the corresponding side surfaces of the support elements 74a, 74b or the energy supply module 26.
[0090] With this function, the compensating device 48 can compensate for torsional loads and prevent them from being transmitted to the energy supply module 26. In this way, the energy supply module 26 can remain substantially free of torsional loads and can remain nearly in its stationary position.
[0091] It goes without saying that the design of the support device 10 can vary and deviate from the design shown.
Claims
1. A supporting device (10), include: at least three support points (28, 30) designed to be mounted to a load-bearing structure (100); wherein the bearing structure (100) has a first and a second torsion axis (T1, T2); wherein the support points (28, 30) are designed to support at least one module (26) on the bearing structure (100); wherein the support points (28, 30) are arranged at different positions on and / or near the first or second torsion axis (T1, T2) of the bearing structure (100); The at least three support points (28, 30) are designed and positioned relative to at least one of the torsion axes (T1, T2) such that torsional loads on the bearing structure (100) can be compensated by the at least three support points (28, 30).
2. The support device (10) according to claim 1, wherein In the rest position of the support device (10), all support points (28, 30) lie in a common horizontal reference plane.
3. The support device (10) according to claim 1 or 2, wherein All of the support points (28, 30) are arranged on the torsion axis (T1, T2) of the bearing structure (100).
4. The support device (10) according to claim 1 or 2, wherein At least one support point (28e, 28j, 30a, 30b) is arranged on one of the torsional axes (T1, T2) of the load-bearing structure (100), and at least two support points (28a-d, 28f-i) are arranged near one of the torsional axes (T1, T2).
5. The support device (10) according to any one of claims 1, 2 or 4, wherein All of the support points (28, 30) are arranged near one of the torsion axes (T1, T2) of the load-bearing structure (100).
6. The support device (10) according to any one of the preceding claims, wherein Support points (28e, 28j, 30a, 30b) respectively arranged on the same torsion axis (T1, T2) are arranged on opposite sides of the module (26).
7. A support device according to any one of the preceding claims, wherein The first torsion axis (T1) extends in the longitudinal direction of the load-bearing structure (100), and / or The second torsion axis (T2) extends in the transverse direction of the bearing structure (100).
8. The support device (10) according to any one of the preceding claims, wherein Each support point (28, 30) has at least two support elements (36, 38; 36a, 36b; 62), wherein a first support element (38; 36b; 62) can be positioned at at least one module (26) and a second support element (36; 36a) can be positioned at the load-bearing structure (100), and wherein at least two support elements (36, 38; 36a, 36b; 62) can be connected to each other or are connected.
9. The support device according to claim 8, wherein The first support element (38; 36b; 62) and the second support element (36; 36a) are coupled via at least one elastic support (44; 60).
10. The support device (10) according to any one of the preceding claims, wherein The positions of the support points (28, 30) are symmetrical relative to the first torsion axis (T1) and / or the second torsion axis (T2) of the bearing structure (100).
11. The support device (100) according to any one of the preceding claims, wherein The support points (28, 30) have a spring rate defined in a spatial axis (x, y, z).
12. The support device (100) according to any one of the preceding claims, wherein The support points (28, 30) have substantially the same spring rate relative to the vertical axis (z).
13. The support device (10) according to any one of the preceding claims, wherein The support device (10) has at least one compensating device (48) which couples at least two of the support points (28, 30) to one another.
14. Support device (10) according to any one of the preceding claims, in, The compensating device (48) has at least one compensating lever (50) which connects at least two supporting points (28) arranged in the vicinity of the torsion axis (T1, T2).
15. The support device (10) according to claim 13, wherein At least one of the compensating devices (48) is connected to at least two supporting points via a cable pulling device.
16. The support device (10) according to claim 3, wherein At least one of the compensation devices (48) connects at least two support points using fluid technology.
17. The support device (10) according to any one of claims 9 to 16, wherein The support point (28, 30) has at least one support pin (36; 36a, 36b) as the first support element and / or the second support element.
18. The support device (10) according to any one of claims 9 to 17, wherein The support point (28, 30) has at least one bushing-shaped support element (38, 62) as the second support element.
19. The support device (10) according to any one of claims 1 to 18, wherein The support device (10) is designed so that the support points (28, 30) compensate for greater or smaller displacements (Za-d) of the at least one supporting structure (100) in the direction of the vertical axis (z), depending on the spacing (A1, A2) of the support points relative to the torsion axis (T1, T2) assigned to them.
20. The support device (10) according to claim 19, wherein The at least one compensation device (48) is designed such that the support points (28, 30) compensate for different displacements (Za-d) of the at least one load-bearing structure (100) in the direction of the vertical axis (z), in, The displacement (Za-d) of the at least one bearing structure (100) in the direction of the vertical axis (z) varies according to the distance (A1, A2) from the corresponding support point (28, 30) to the torsion axis (T1, T2).
21. A load-bearing structure (100) comprising at least one supporting device (10) according to any one of claims 1 to 20.
22. A multi-beam frame (100) for a vehicle, comprising at least one supporting device (10) according to any one of claims 1 to 20.
23. A vehicle having a support device according to any one of the preceding claims 1 to 20 or a multi-beam frame (100) according to claim 22.
Citation Information
Patent Citations
Fuel cells mounting concept
WO2022108446A1
