CN220639498U - Suspension bracket assembly and vehicle - Google Patents

Abstract

The application relates to the technical field of vehicles, discloses a suspension bracket component and vehicle, include: one end of the bracket is fixedly connected with a vehicle beam of the vehicle, and the bracket is provided with a mounting part which is used for mounting a suspension assembly of the vehicle and bearing the suspension assembly; one end of the reinforcing piece is fixedly connected with the vehicle beam, the top of the reinforcing piece is fixedly connected with the bottom wall of the bracket to support the bracket, and part of the top wall of the reinforcing piece is arranged at intervals with the bottom wall of the bracket to form a cavity. Therefore, the dynamic stiffness of the suspension bracket assembly can be improved through the arrangement of the reinforcing piece, and the dynamic stiffness of the suspension bracket assembly can be further enhanced through the cavity formed between the reinforcing piece and the bracket bottom wall, so that the vibration tingling problem of the suspension bracket assembly is reduced.

Description

Suspension bracket assembly and vehicle

Technical Field

The application relates to the technical field of vehicles, in particular to a suspension bracket assembly and a vehicle.

Background

The power suspension system has vibration isolation function in addition to supporting power components and reducing limited displacement. The dynamic stiffness parameter is used as one of important indexes for NVH assessment, can reflect the deformation resistance of the structure under specific dynamic disturbance, and directly influences the performance of the whole vehicle.

At present, the suspension bracket has a serious vibration tingling problem. Through actual measurement, the dynamic stiffness of a large number of suspension brackets is only about 3000N/mm, and the dynamic stiffness is more different from a set target value, so that structural optimization is needed to improve the actual measurement value of the dynamic stiffness, and the problem of vibration and tingling of the existing suspension brackets is solved.

Disclosure of Invention

In view of the above, embodiments of the present application provide a suspension bracket assembly and a vehicle, which can strengthen the dynamic stiffness of the suspension bracket assembly, and further reduce the vibration and tingling problem of the suspension bracket assembly.

A first aspect of the present application provides a suspension bracket assembly comprising: one end of the bracket is fixedly connected with a vehicle beam of the vehicle, and the bracket is provided with a mounting part which is used for mounting a suspension assembly of the vehicle and bearing the suspension assembly; one end of the reinforcing piece is fixedly connected with the vehicle beam, the top of the reinforcing piece is fixedly connected with the bottom wall of the bracket to support the bracket, and part of the top wall of the reinforcing piece is arranged at intervals with the bottom wall of the bracket to form a cavity.

In some embodiments, the length direction of the stiffener is perpendicular to the length direction of the vehicle beam, and the cavity extends along the length direction of the stiffener.

In some embodiments, the reinforcement includes a groove body portion formed with a bar-shaped groove with an opening upward and extending along a length direction of the vehicle, and a fitting portion provided at one end of the groove body portion, the fitting portion being for fitting connection with an outer wall of the vehicle beam.

In some embodiments, the attaching portion includes a first arc attaching portion and a second arc attaching portion, the first arc attaching portion and the second arc attaching portion are located at two sides of the groove body portion in a width direction of the groove body portion respectively, and the first arc attaching portion and the second arc attaching portion are both used for attaching to a side wall and a bottom wall of the vehicle beam.

In some embodiments, the bracket is provided with a connecting portion, one side of the connecting portion, which is close to the vehicle beam, is provided with a first bonding surface and a second bonding surface, the first bonding surface is used for bonding with the side wall of the vehicle beam, and the second bonding surface is used for bonding with the top wall of the vehicle beam.

In some embodiments, the first bonding surface and the second bonding surface are connected through an arc surface, and the arc surface is bonded with the surface of the round corner structure between the top wall and the side wall of the vehicle beam.

In some embodiments, the connecting portion is provided with an inclined plate, the inclined plate is arranged obliquely relative to the side wall of the vehicle beam, the inclined plate and the side wall of the vehicle beam are arranged at intervals, the distance between the top of the inclined portion and the side wall of the vehicle is smaller than the distance between the bottom of the inclined portion and the side wall of the vehicle, and the first bonding surfaces are located on two sides of the inclined plate in the length direction of the vehicle beam.

In some embodiments, the bracket includes a reinforcing wall disposed on both sides of the mounting portion in a longitudinal direction of the vehicle beam, and a third arc-shaped fitting portion disposed at one end of the reinforcing wall and adapted to fit the side wall and the bottom wall of the vehicle.

In some embodiments, the mounting portion includes a first mounting plate, a second mounting plate and a third mounting plate, the first mounting plate, the second mounting plate and the third mounting plate are sequentially connected and arranged along a length direction of the vehicle beam, the first mounting plate and the third mounting plate are higher than the second mounting plate to form a groove, the first mounting plate and the third mounting plate are used for mounting the suspension assembly, and a bottom wall of the second mounting plate is used for connecting the reinforcing member.

A second aspect of the present application provides a vehicle comprising a suspension bracket assembly as defined in any one of the preceding claims, a suspension assembly for mounting the suspension assembly, and a vehicle powertrain, the suspension assembly being for connectively supporting the vehicle powertrain.

The application has the following beneficial effects: suspension bracket assembly and vehicle based on this application provides includes: one end of the bracket is fixedly connected with a vehicle beam of the vehicle, and the bracket is provided with a mounting part which is used for mounting a suspension assembly of the vehicle and bearing the suspension assembly; one end of the reinforcing piece is fixedly connected with the vehicle beam, the top of the reinforcing piece is fixedly connected with the bottom wall of the bracket to support the bracket, and part of the top wall of the reinforcing piece is arranged at intervals with the bottom wall of the bracket to form a cavity. Therefore, the dynamic stiffness of the suspension bracket assembly can be improved through the arrangement of the reinforcing piece, and the dynamic stiffness of the suspension bracket assembly can be further enhanced through the cavity formed between the reinforcing piece and the bracket bottom wall, so that the vibration tingling problem of the suspension bracket assembly is reduced.

The foregoing description is only an overview of the technical solutions of the embodiments of the present application, and may be implemented according to the content of the specification, so that the technical means of the embodiments of the present application can be more clearly understood, and the following detailed description of the present application will be presented in order to make the foregoing and other objects, features and advantages of the embodiments of the present application more understandable.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained from the structures shown in these drawings without inventive effort to a person of ordinary skill in the art.

FIG. 1 is a schematic illustration of a prior art suspension structure provided in the prior art disposed on a vehicle beam;

FIG. 2 is a schematic structural view of an upper plate of the roof rail in FIG. 1;

FIG. 3 is a schematic view of the structure of the lower plate of the vehicle beam of FIG. 1;

FIG. 4 is a schematic view of the structure of the suspension bracket assembly provided in the present application disposed on a vehicle beam;

FIG. 5 is a top view of the structure shown in FIG. 4;

FIG. 6 is a cross-sectional view of the structure of FIG. 5 taken along section line A-A;

FIG. 7 is a cross-sectional view of the structure of FIG. 5 taken along section line B-B;

FIG. 8 is a schematic view of the reinforcement of FIG. 4;

FIG. 9 is a schematic view of the structure of the bracket of FIG. 4;

FIG. 10 is a top view of the bracket shown in FIG. 9;

FIG. 11 is a cross-sectional view of the bracket shown in FIG. 10, taken along section line C-C;

FIG. 12 is a front view of the bracket shown in FIG. 9;

fig. 13 is a cross-sectional view of the structure of fig. 12 taken along section line D-D.

Reference numerals illustrate: suspension bracket assembly 10, bracket 11, mounting portion 111, first mounting plate 1111, second mounting plate 1112, third mounting plate 1113, mounting hole 1114, connection portion 112, first bonding surface 1121, second bonding surface 1122, third bonding surface 1123, inclined plate 1124, spacing space 1125, reinforcing wall 113, third arcuate bonding portion 1131, reinforcing member 12, tank 121, bar-shaped groove 1211, bonding portion 122, first arcuate bonding portion 1221, second arcuate bonding portion 1222, cavity 13;

the existing suspension structure 21, the vehicle beam 22, the upper plate 221, the lower plate 222, the positioning hole 223, the lightening hole 224, the reinforcing groove 225, and the limiting portion 226.

The realization, functional characteristics and advantages of the present application will be further described with reference to the embodiments, referring to the attached drawings.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

It should be noted that, in the embodiment of the present application, directional indications (such as up, down, left, right, front, and rear … …) are referred to, and the directional indications are merely used to explain the relative positional relationship, movement conditions, and the like between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present application, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if the meaning of "and/or" is presented throughout this document, it is intended to include three schemes in parallel, taking "a and/or B" as an example, including a scheme, or B scheme, or a scheme where a and B meet simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be regarded as not exist and not within the protection scope of the present application.

Fig. 1 is a schematic view of a structure in which a conventional suspension structure 21 provided in the prior art is provided on a vehicle beam 22, fig. 2 is a schematic view of a structure of an upper plate 221 of the vehicle beam 22 in fig. 1, and fig. 3 is a schematic view of a structure of a lower plate 222 of the vehicle beam 22 in fig. 1.

Referring to fig. 1-3, one end of the existing suspension structure 21 is secured to a side wall of the vehicle beam 22, thereby enabling the suspension assembly to be secured to the vehicle beam 22 by the existing suspension structure 21. The vehicle may specifically include an upper plate 221 and a lower plate 222, with the upper plate 221 being disposed on the lower plate 222 to form the complete vehicle frame 22. The upper plate 221 and the lower plate 222 may be provided with positioning holes 223 for achieving positioning installation between the upper plate 221 and the lower plate 222. The upper plate 221 may also be provided with weight-reducing holes 224 to achieve weight reduction and reduce set material. The lower plate 222 may be provided with a reinforcing groove 225 for reinforcing the structural strength of the lower plate 222. The inner wall of the lower plate 222 may further be provided with a limiting portion 226, where the limiting portion 226 is used to abut against the bottom of the upper plate 221, so that the upper plate 221 is not excessively sunk into the lower plate 222.

Based on the above-mentioned conventional suspension structure 21, the dynamic stiffness is small, and vibration and tingling are easy to occur. Based on this, a first aspect of the present application provides a suspension bracket assembly 10, fig. 4 is a schematic structural view of the suspension bracket assembly 10 provided in the present application disposed on a vehicle beam 22, fig. 5 is a top view of the structure shown in fig. 4, fig. 6 is a cross-sectional view of the structure shown in fig. 5 along a section line A-A, and fig. 7 is a cross-sectional view of the structure shown in fig. 5 along a section line B-B.

Referring to fig. 4-7, the suspension bracket assembly 10 includes a bracket 11 and a reinforcing member 12, wherein the bracket 11 and the reinforcing member 12 are fixedly connected with a beam 22, the bracket 11 is used for mounting the suspension assembly, and the reinforcing member 12 is used for reinforcing the overall dynamic stiffness of the suspension bracket 11.

Specifically, one end of the bracket 11 is fixedly connected with the beam 22 of the vehicle, one end of the reinforcing member 12 is fixedly connected with the beam 22, the bracket 11 and the reinforcing member 12 are both of metal structures, and the bracket 11 and the vehicle can be fixedly connected with the beam 22 in a welding mode. The bracket 11 is provided with a mounting portion 111, and the mounting portion 111 is used for mounting and carrying a suspension assembly of a vehicle. The top of the bracket 11 may be provided with a mounting surface to which the suspension assembly may be mounted. The top of the stiffener 12 is fixedly connected to the bottom wall of the bracket 11 to support the bracket 11, and a portion of the top wall of the stiffener 12 is spaced from the bottom wall of the bracket 11 to form a cavity 13. Wherein, the top part of the reinforcement 12 and the bottom wall of the bracket 11 can be fixed by welding, and the rest part of the top part of the reinforcement 12 and the bottom wall of the bracket 11 can be arranged at intervals to form a cavity 13. The cavity 13 may be a closed cavity or a non-closed cavity, and is not particularly limited herein.

In summary, according to the suspension bracket assembly 10 provided in the above embodiment, since the reinforcement member 12 is disposed in the suspension bracket assembly 10, the reinforcement member 12 can support and strengthen the bracket 11, and thus can strengthen the overall dynamic stiffness of the suspension bracket assembly 10. The top of the reinforcing member 12 is not entirely attached to the bottom wall of the bracket 11, and the cavity 13 can be formed by a space arrangement of a partial structure. It has been found through measurement that the provision of the cavity 13 increases the overall dynamic stiffness of the suspension bracket assembly 10 to a greater extent, further enhancing the dynamic stiffness of the suspension bracket assembly 10. Therefore, the suspension bracket assembly 10 provided by the application improves dynamic stiffness to a greater extent, and can effectively reduce vibration and tingling of the suspension bracket assembly 10.

With continued reference to fig. 4-7, in some embodiments, the length of the stiffener 12 is perpendicular to the length of the vehicle beam 22 and the cavity 13 extends along the length of the stiffener 12. At this time, the reinforcing member 12 is arranged in a strip shape, so that the cavity 13 is arranged to extend in the longitudinal direction of the reinforcing member 12. Wherein the cavity 13 may be provided with openings at both ends in the length direction of the reinforcing member 12, respectively.

Fig. 8 is a schematic structural view of the reinforcing member 12 in fig. 4.

Referring to fig. 8, in some embodiments, the reinforcement member 12 includes a groove body 121 and a fitting portion 122, and the groove body 121 and the fitting portion 122 may be integrally formed, so as to ensure structural stability of the reinforcement member 12. The groove body 121 is formed with a bar-shaped groove 1211 that opens upward and extends in the longitudinal direction of the vehicle, and the top of the groove body 121 forms the cavity 13 when it is attached to the bottom wall of the bracket 11. At this time, the bottom wall of the bracket 11 is covered on the top of the bar-shaped groove 1211, and further, the cavity 13 is formed by surrounding.

For the attaching portion 122, the attaching portion 122 is disposed at one end of the groove body 121, that is, at one end of the groove body 121 near the beam 22, and the attaching portion 122 is used for attaching to the outer wall of the beam 22. By the provision of the fitting portion 122, the reinforcement 12 is fixed to the vehicle beam 22. The attachment portion 122 may be connected to the vehicle beam 22 by welding.

Continuing with fig. 8, in some embodiments, the attaching portion 122 includes a first arc attaching portion 1221 and a second arc attaching portion 1222, where the first arc attaching portion 1221 and the second arc attaching portion 1222 are located on two sides of the slot body 121 in the width direction, respectively, and the first arc attaching portion 1221 and the second arc attaching portion 1222 are both used for attaching to the side wall and the bottom wall of the vehicle beam 22.

Specifically, the first and second arc fitting portions 1221 and 1222 may have the same structure, and the first and second arc fitting portions 1221 and 1222 may be symmetrically disposed. At this time, the first arc fitting portion 1221 may be fitted to the side wall and the bottom wall of the vehicle beam 22, and the second arc fitting portion 1222 may be fitted to the bottom wall and the side wall of the vehicle beam 22. It should be appreciated that the junction between the side wall and the bottom wall of the vehicle beam 22 may be an arcuate structure, such that the first arcuate engagement portion 1221 and the second arcuate engagement portion 1222, when engaged with the arcuate structure, achieve engagement with the side wall and the bottom wall of the vehicle beam 22. At this time, the reinforcing member 12 is fixed to the side wall and the bottom wall of the vehicle body member 22, and thus the reinforcing member 12 can be stably fixed.

Fig. 9 is a schematic view of the structure of the bracket 11 in fig. 4, fig. 10 is a plan view of the bracket 11 shown in fig. 9, fig. 11 is a sectional view of the bracket 11 shown in fig. 10 along a section line C-C, fig. 12 is a front view of the bracket 11 shown in fig. 9, and fig. 13 is a sectional view of the structure shown in fig. 12 along a section line D-D.

Referring to fig. 9-13, in some embodiments, the bracket 11 is provided with a connection portion 112, and a first attaching surface 1121 and a second attaching surface 1122 are disposed on a side of the connection portion 112 near the beam 22, where the first attaching surface 1121 is used for attaching to a side wall of the beam 22, and the second attaching surface 1122 is used for attaching to a top wall of the beam 22. At this time, by providing the first bonding surface 1121 and the second bonding surface 1122, the bracket 11 can be bonded to the top wall and the side wall of the vehicle beam 22 through the connecting portion 112, and the bracket 11 can be well fixed to the vehicle beam 22.

The second contact surface 1122 extends in the width direction of the entire holder 11, and the first contact surface 1121 is located only on both sides of the holder 11 in the width direction thereof, and the first contact surface 1121 is longer than the second contact surface 1122. Therefore, the bracket 11 is connected to the vehicle beam 22 mainly through the second contact surface 1122, and the first contact surface 1121 serves as an auxiliary connection, thereby reinforcing the fixation between the bracket 11 and the vehicle beam 22.

Referring to fig. 9, in some embodiments, the first engagement surface 1121 is connected to the second engagement surface 1122 by an arcuate surface that engages the surface of the rounded structure between the top wall and the side wall of the vehicle beam 22. The first bonding surface 1121 extends in the vertical direction, the second bonding surface 1122 extends in the horizontal direction, and at this time, the connection between the first bonding surface 1121 and the second bonding surface 1122 is achieved by an arcuate surface. Through the above arrangement, the first bonding surface 1121, the second bonding surface 1122, and the third bonding surface 1123 are well bonded to the vehicle beam 22, so as to ensure the connection effect between the bracket 11 and the vehicle beam 22.

Referring to fig. 9, 10, 12, and 13, in some embodiments, the connection 112 is provided with an angled plate 1124, the angled plate 1124 being part of the connection 112 that is generally angled with respect to the vehicle beam 22. When the inclined plate 1124 is disposed obliquely with respect to the side wall of the vehicle beam 22, the inclined plate 1124 is disposed at a distance from the side wall of the vehicle beam 22, and the distance between the top of the inclined portion and the side wall of the vehicle is smaller than the distance between the bottom thereof and the side wall of the vehicle.

At this time, the inclined plate 1124 is spaced apart from the side wall of the vehicle beam 22, so that a space 1125 is formed between the inclined plate 1124 and the side wall of the vehicle beam 22. Through the actual measurement, because of the arrangement of the interval space 1125, the overall dynamic stiffness of the suspension bracket assembly 10 is enhanced, and the problem of vibration and tingling of the suspension bracket assembly is further reduced.

In combination with the above arrangement of the first bonding surface 1121, the first bonding surface 1121 is located on both sides of the inclined plate 1124 in the longitudinal direction of the vehicle body member 22. At this time, both sides of the connection portion 112 are bonded and fixed by the first bonding surface 1121.

Referring to fig. 9-13, in some embodiments, the bracket 11 includes a reinforcing wall 113, the reinforcing wall 113 is disposed on two sides of the mounting portion 111 in the length direction of the beam 22, and one end of the reinforcing wall 113 is provided with a third arc fitting portion 1131, where the third arc fitting portion 1131 is used to fit with a side wall and a bottom wall of the vehicle. At this time, the number of the reinforcing walls 113 is two, and the two reinforcing walls 113 are provided on both sides of the mounting portion 111, respectively. One end of the reinforcing wall 113 is provided with a third arc-shaped fitting portion 1131, that is, one end of the reinforcing wall 113, which is close to the vehicle beam 22, is provided with the third arc-shaped fitting portion 1131.

It should be understood that a portion of the third arc-shaped fitting portion 1131 is fitted to the bottom wall of the vehicle beam 22, and a portion thereof is fitted to the side wall of the vehicle beam 22, so that a good fixing effect is achieved between the reinforcing wall 113 and the vehicle beam 22. In combination with the above, the structure between the bottom wall and the side wall of the vehicle beam 22 is an arc structure, and by setting the third arc fitting portion 1131 to be an arc structure, good fitting can be achieved at the junction between the third arc fitting portion 1131 and the side wall and the bottom wall of the vehicle beam 22.

Referring to fig. 9 to 12, in some embodiments, the mounting portion 111 includes a first mounting plate 1111, a second mounting plate 1112, and a third mounting plate 1113, where the first mounting plate 1111, the second mounting plate 1112, and the third mounting plate 1113 are sequentially connected and arranged along a length direction of the vehicle beam 22, and the first mounting plate 1111, the second mounting plate 1112, and the third mounting plate 1113 are integrally formed to further ensure structural stability of the mounting portion 111.

The first and third mounting plates 1111, 1113 are raised above the second mounting plate 1112 to form a recess, the first and third mounting plates 1111, 1113 being used to mount the suspension assembly, the bottom wall of the second mounting plate 1112 being used for attachment of the stiffener 12. Mounting holes 1114 may be provided in the first mounting plate 1111 and the third mounting plate 1113, the mounting holes 1114 being used to effect mounting of the suspension assembly. In combination with the above, the bottom wall of second mounting plate 1112 is connected to the bottom of angled plate 1124 near the end of beam 22.

A second aspect of the present application provides a vehicle comprising a suspension bracket assembly 10 as defined in any one of the preceding claims, a suspension assembly, and a vehicle powertrain, the suspension bracket assembly 10 being for mounting the suspension assembly, the suspension assembly being for connection support of the vehicle powertrain. The specific description of the suspension bracket assembly 10 may be found in the above embodiments, and will not be repeated.

To sum up, based on the suspension bracket assembly 10 and the vehicle provided in the present application, the vehicle and the suspension assembly specifically include: the bracket 11, one end of which is fixedly connected with the beam 22 of the vehicle, the bracket 11 is provided with a mounting part 111, and the mounting part 111 is used for mounting a suspension assembly of the vehicle and bearing the suspension assembly; one end of the reinforcing member 12 is fixedly connected with the vehicle beam 22, the top of the reinforcing member 12 is fixedly connected with the bottom wall of the bracket 11 to support the bracket 11, and part of the top wall of the reinforcing member 12 is arranged at intervals with the bottom wall of the bracket 11 to form the cavity 13.

Through the above arrangement, the dynamic stiffness of the suspension bracket assembly 10 can be improved by the arrangement of the reinforcing member 12, the dynamic stiffness of the suspension bracket assembly 10 can be further enhanced by the cavity 13 formed between the reinforcing member 12 and the bottom wall of the bracket 11, and the dynamic stiffness of the suspension bracket assembly 10 can be further enhanced by the arrangement of the inclined plate 1124, so that the vibration and tingling problems of the suspension bracket assembly 10 are reduced.

The foregoing description is only of the optional embodiments of the present application, and is not intended to limit the scope of the patent application, and all the modifications of equivalent structures made by the descriptions and the drawings of the present application or the direct/indirect application in other related technical fields are included in the scope of the patent protection of the present application.

Claims (10)

1. A suspension bracket assembly comprising:

one end of the bracket is fixedly connected with a beam of the vehicle, and the bracket is provided with a mounting part which is used for mounting a suspension assembly of the vehicle and bearing the suspension assembly;

one end of the reinforcing piece is fixedly connected with the vehicle beam, the top of the reinforcing piece is fixedly connected with the bottom wall of the support to support the support, and part of the top wall of the reinforcing piece is arranged at intervals with the bottom wall of the support to form a cavity.

2. The suspension bracket assembly of claim 1, wherein,

the length direction of the reinforcing piece is perpendicular to the length direction of the vehicle beam, and the cavity extends along the length direction of the reinforcing piece.

3. The suspension bracket assembly of claim 2, wherein,

the reinforcement includes cell body portion and laminating portion, the cell body portion is formed with the opening upwards and follows the bar groove that length direction of vehicle extends, the top of cell body portion with form when the diapire laminating of support the cavity, laminating portion set up in the one end of cell body portion, laminating portion be used for with the outer wall laminating of roof beam is connected.

4. A suspension bracket assembly according to claim 3, wherein,

the laminating portion includes first arc laminating portion and second arc laminating portion, first arc laminating portion with second arc laminating portion is located respectively cell body portion is in its width direction's both sides, first arc laminating portion with second arc laminating portion all be used for with lateral wall and the diapire of roof beam laminate mutually.

5. The suspension bracket assembly of claim 1, wherein,

the support is provided with connecting portion, connecting portion is close to one side of roof beam is provided with first laminating face and second laminating face, first laminating face be used for with the lateral wall of roof beam is laminated mutually, the second laminating face be used for with the roof of roof beam is laminated mutually.

6. The suspension bracket assembly of claim 5, wherein,

the first binding face with connect through the arcwall face between the second binding face, the arcwall face with the fillet structure's between roof and the lateral wall of roof beam laminating mutually.

7. The suspension bracket assembly of claim 5, wherein,

the connecting portion is provided with the hang plate, the hang plate for the lateral wall slope setting of roof beam, the hang plate with the interval sets up between the lateral wall of roof beam, the top of hang plate with interval between the lateral wall of vehicle is less than its bottom with interval between the lateral wall of vehicle, first faying surface is located the hang plate is in the both sides of the length direction of roof beam.

8. The suspension bracket assembly of claim 1, wherein,

the support includes the reinforcing wall, the reinforcing wall set up in the installation department is in the ascending both sides of roof beam length direction, the one end of reinforcing wall is provided with the third arc laminating portion, the third arc laminating portion be used for with roof beam's lateral wall and diapire laminate mutually.

9. The suspension bracket assembly of claim 1, wherein,

the installation department includes first mounting panel, second mounting panel and third mounting panel, first mounting panel the second mounting panel with the third mounting panel is followed the length direction of roof beam connects gradually and arranges, first mounting panel with the third mounting panel is higher than the second mounting panel is in order to form the recess, first mounting panel with the third mounting panel is used for the installation suspension subassembly, the diapire of second mounting panel is used for the reinforcement is connected.

10. A vehicle comprising a suspension bracket assembly as claimed in any one of claims 1 to 9 for mounting the suspension assembly, a suspension assembly for connection supporting the vehicle powertrain, and a vehicle powertrain.