CN214084446U - Mounting bracket for improving dynamic stiffness of suspension attachment point of auxiliary frame of hydrogen energy automobile - Google Patents
Mounting bracket for improving dynamic stiffness of suspension attachment point of auxiliary frame of hydrogen energy automobile Download PDFInfo
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- CN214084446U CN214084446U CN202022812495.1U CN202022812495U CN214084446U CN 214084446 U CN214084446 U CN 214084446U CN 202022812495 U CN202022812495 U CN 202022812495U CN 214084446 U CN214084446 U CN 214084446U
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- hydrogen energy
- auxiliary frame
- dynamic stiffness
- energy automobile
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Abstract
The utility model provides an installation bracket for improving the dynamic stiffness of a suspension attachment point of an auxiliary frame of a hydrogen energy automobile, relating to the technical field of hydrogen energy automobile accessories; the mounting bracket for improving the dynamic stiffness of the suspension attachment points of the auxiliary frame of the hydrogen energy automobile comprises a cross beam and two suspension connecting brackets; the cross beam is used for being installed on the upper surface of an auxiliary frame assembly provided with an opening fit type suspension bracket; one end of each of the two suspension connecting supports is respectively arranged on the upper surface of the beam, and the other end of each of the two suspension connecting supports is respectively connected with the upper end of the open-fit type suspension support; through crossbeam and two the cooperation of suspension linking bridge is fixed the upper end of opening cooperation formula suspension support promotes hydrogen energy car sub vehicle frame suspension attaches some dynamic stiffness, and then guarantees the whole car of hydrogen energy car controls performance and suspension vibration isolation performance.
Description
Technical Field
The utility model relates to a hydrogen energy auto-parts technical field especially relates to a installing support for promoting hydrogen energy car sub vehicle frame suspension attaches some dynamic stiffness.
Background
In a fuel cell hydrogen powered vehicle, the powertrain needs to be mounted on the subframe via a suspension system. The arrangement mode of the center-of-mass arrangement principle has the characteristics of compact structure, good bearing capacity, simple assembly process and the like; in the installation process of the fuel cell hydrogen energy automobile power assembly, the arrangement mode is often adopted to arrange and install the electric power assembly. After the arrangement mode is adopted, the power assembly is connected with the auxiliary frame through the suspension mechanism, and the suspension mechanism plays roles in supporting, vibration isolating and limiting the power assembly.
The subframe suspension attachment point is the bushing center point of the suspension mount or bracket on the subframe. The dynamic stiffness value of the auxiliary frame suspension attachment point has important influence on the performance of the whole vehicle control, suspension vibration isolation and the like; therefore, in the development of subframe products, the dynamic stiffness of the suspension attachment point of the subframe must meet certain design requirements.
The existing suspension mechanism based on the principle of centroid type arrangement usually only adopts a suspension bracket to suspend a power assembly of a fuel cell hydrogen energy automobile. Because the suspension support is mostly the open-ended fit formula suspension support, lead to sub vehicle frame suspension attachment point to be cantilever type structure. The structure causes that the dynamic stiffness of the auxiliary frame suspension attachment point of the hydrogen energy automobile is poor, and directly influences the whole automobile control and suspension vibration isolation performance.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving the relatively poor technical problem of sub vehicle frame suspension attachment point dynamic stiffness of current fuel cell hydrogen energy car.
The embodiment of the utility model provides a mounting bracket for improving the dynamic stiffness of a suspension attachment point of an auxiliary frame of a hydrogen energy automobile, which comprises a cross beam and two suspension connecting brackets;
the cross beam is used for being installed on the upper surface of an auxiliary frame assembly provided with an opening fit type suspension bracket;
one end of each of the two suspension connecting supports is respectively arranged on the upper surface of the beam, and the other end of each of the two suspension connecting supports is respectively connected with the upper end of the open-fit type suspension support;
the beam is matched with the two suspension connecting supports to be used for fixing the upper ends of the open-fit type suspension supports.
In some preferred embodiments, the mounting bracket for improving the dynamic stiffness of the suspension attachment point of the auxiliary frame of the hydrogen energy automobile further comprises a vertical beam; one end of the vertical beam is connected with the lower surface of the cross beam, and the other end of the vertical beam is used for being mounted on the side face of the auxiliary frame assembly.
In some more preferred embodiments, the upper ends of the vertical beams are welded to the cross beams.
In some preferred embodiments, the suspension attachment bracket is "L" shaped; the suspension connecting bracket comprises a first connecting part and a second connecting part; the first connecting part and the second connecting part are integrally formed; the first connecting part is arranged on the upper surface of the cross beam; the second connecting portion is used for being connected with the upper end of the open-fit type suspension bracket.
In some more preferred embodiments, the first connecting portion is detachably mounted to the upper surface of the cross member by a bolt.
In some preferred embodiments, the mounting bracket for improving the dynamic stiffness of the suspension attachment point of the subframe of the hydrogen energy automobile further comprises a mass block; the mass block is arranged on one side, far away from the opening fit type support, of the cross beam.
In some more preferred embodiments, the mass is detachably mounted to the side of the cross member by bolts.
In some more preferred embodiments, the number of the mass blocks is one or more than two.
In some preferred embodiments, the vertical beam is further provided with a wiring harness mounting bolt.
In some more preferred embodiments, the wire harness mounting bolt is riveted to the vertical beam.
The embodiment of the utility model provides a beneficial effect that technical scheme brought is: the mounting bracket for improving the dynamic stiffness of the suspension attachment points of the auxiliary frame of the hydrogen energy automobile comprises a cross beam and two suspension connecting brackets; the cross beam is used for being installed on the upper surface of an auxiliary frame assembly provided with an opening fit type suspension bracket; one end of each of the two suspension connecting supports is respectively arranged on the upper surface of the beam, and the other end of each of the two suspension connecting supports is respectively connected with the upper end of the open-fit type suspension support; through crossbeam and two the cooperation of suspension linking bridge is fixed the upper end of opening cooperation formula suspension support promotes hydrogen energy car sub vehicle frame suspension attaches some dynamic stiffness, and then guarantees the whole car of hydrogen energy car controls performance and suspension vibration isolation performance.
Drawings
Fig. 1 is a schematic structural diagram of a mounting bracket for improving dynamic stiffness of a suspension attachment point of an auxiliary frame of a hydrogen energy automobile in an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a suspension connecting bracket 5 in a mounting bracket for improving the dynamic stiffness of a suspension attachment point of a subframe of the hydrogen energy automobile in fig. 1.
Fig. 3 is a schematic structural diagram of a mass block 4 in a mounting bracket for improving the dynamic stiffness of a suspension attachment point of a subframe of a hydrogen energy automobile in fig. 1.
Fig. 4 is a reference view of the mounting bracket used for improving the dynamic stiffness of the suspension attachment point of the auxiliary frame of the hydrogen energy automobile in the using state in fig. 1.
FIG. 5 is a reference view of another use state of the mounting bracket for improving the dynamic stiffness of the suspension attachment point of the auxiliary frame of the hydrogen energy automobile in FIG. 1.
Wherein, 1, the auxiliary frame assembly; 2. an open-fit suspension mount; 3. erecting a beam; 301. a wire harness mounting bolt; 302. a first mounting hole; 4. a mass block; 401. a second mounting hole; 5. a suspension connecting bracket; 501. a second connecting portion; 502. a third mounting hole; 503. a first connection portion; 504. a fourth mounting hole; 6. a cross beam; 601. a fifth mounting hole; 602. a sixth mounting hole; 7. and (4) suspending the support.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be further described below with reference to the accompanying drawings.
Referring to fig. 1, 4 and 5, an embodiment of the present invention provides a mounting bracket for improving the dynamic stiffness of a suspension attachment point of a subframe of a hydrogen energy automobile, which includes a cross beam 6, a vertical beam 3 and two suspension connecting brackets 5.
The cross beam 6 is used for being installed on the upper surface of the auxiliary frame assembly 1 provided with the opening fit type suspension bracket 2; a fifth mounting hole 601 and a sixth mounting hole 602 are respectively arranged at two ends of the cross beam 6; the cross beam 6 is fixed with the auxiliary frame assembly 1 through a fifth mounting hole 601, a sixth mounting hole 602 and bolts; the cross beam 6 is arranged on the upper surface of the auxiliary frame assembly 1 close to the side surface of the opening fit type suspension bracket 2; the lower end of the opening matching type suspension bracket 2 is fixed on the auxiliary frame assembly 1 body; the open-fit type suspension bracket 2 is used for mounting a suspension support 7; the suspension support 7 is used for mounting a power assembly of the hydrogen energy automobile.
The upper end of the vertical beam 3 is welded with the lower surface of the cross beam 6, and the lower end of the vertical beam 3 is used for being installed on the side surface of the auxiliary frame assembly 1; the lower end of the vertical beam 3 is provided with a first mounting hole 302; the lower end of the vertical beam 3 is mounted on the side of the sub-frame assembly 1 through the first mounting hole 302 and the bolt.
One end of each of the two suspension connecting supports 5 is respectively arranged on the upper surface of the beam 6, and the other end of each of the two suspension connecting supports is respectively connected with the upper end of the open-fit type suspension support 2.
Through crossbeam 6 and the cooperation of two suspension linking bridge 5, the upper end of fixed opening cooperation formula suspension support 2 has realized the fixed at both ends about opening cooperation formula suspension support 2, from promoting hydrogen energy car sub vehicle frame suspension connects some dynamic stiffness, and then guarantees the whole car of hydrogen energy car controls performance and suspension vibration isolation performance.
In particular, with reference to fig. 2, the suspension connection bracket 5 is "L" -shaped; the suspension attachment bracket 5 includes a first attachment portion 503 and a second attachment portion 501; the first connecting portion 503 and the second connecting portion 501 are integrally formed; the first connecting portion 503 is mounted on the upper surface of the cross member 6; the second connecting portion 501 is used for connecting with the upper end of the open-fitting type suspension bracket 2; the first connecting portion 503 is provided with a fourth mounting hole 504; a third mounting hole 502 is formed in the second connecting portion 501; the first connecting portion 503 is detachably mounted on the upper surface of the cross member 6 through a fourth mounting hole 504 and a bolt; the second connecting portion 501 is mounted at the upper end of the opening-fitting type suspension bracket 2 through a third mounting hole 502 and a bolt.
Further, referring to fig. 1 and 3, in order to further improve the dynamic stiffness of the suspension attachment point of the auxiliary frame of the hydrogen energy automobile, a mass block 4 is further mounted on the cross beam 6; the mass block 4 is arranged on one side of the cross beam 6 far away from the opening fit type suspension bracket 2; a second mounting hole 401 is formed in the mass block 4; the mass 4 is detachably mounted to the side of the cross member 6 through the second mounting holes 401 and bolts.
In the present embodiment, the number of the mass blocks 4 is one.
As a modification of the present embodiment, the number of the mass blocks 4 may be two or more; the mass 4 can also be, for example, two, three, four or five.
Further, referring to fig. 1, in order to facilitate installation of the wire harness, a wire harness installation bolt 301 is further provided on the vertical beam 3; the harness mounting bolt 301 is riveted to the vertical beam 3.
Referring to fig. 4 and 5, the method for using the mounting bracket for improving the dynamic stiffness of the suspension attachment point of the subframe of the hydrogen energy automobile in the embodiment is as follows:
mounting the cross beam 6 on the upper surface of the sub frame assembly 1 close to the side surface of the open-fit type suspension bracket 2 through the fifth mounting hole 601 and the sixth mounting hole 602 and bolts; fixing the vertical beam 3 on the side surface of the auxiliary frame assembly 1 through the first mounting hole 302 and a bolt; finally, the two suspension connecting supports 5 are respectively fixed at the upper ends of the opening-fit type suspension supports 2 through the second connecting portions 501, so that the upper ends of the opening-fit type suspension supports 2 are fixed.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. The mounting bracket is used for improving the dynamic stiffness of the suspension attachment points of the auxiliary frame of the hydrogen energy automobile and is characterized by comprising a cross beam and two suspension connection brackets;
the cross beam is used for being installed on the upper surface of an auxiliary frame assembly provided with an opening fit type suspension bracket;
one end of each of the two suspension connecting supports is respectively arranged on the upper surface of the beam, and the other end of each of the two suspension connecting supports is respectively connected with the upper end of the open-fit type suspension support;
the beam is matched with the two suspension connecting supports to be used for fixing the upper ends of the open-fit type suspension supports.
2. The mounting bracket for improving the dynamic stiffness of the suspension attachment point of the auxiliary frame of the hydrogen energy automobile as claimed in claim 1, further comprising a vertical beam; one end of the vertical beam is connected with the lower surface of the cross beam, and the other end of the vertical beam is used for being mounted on the side face of the auxiliary frame assembly.
3. The mounting bracket for improving the dynamic stiffness of a suspension attachment point of a hydrogen energy automobile subframe of claim 2 wherein the upper end of the vertical beam is welded to the cross beam.
4. The mounting bracket for improving the dynamic stiffness of the suspension attachment point of the auxiliary frame of the hydrogen energy automobile according to claim 1, wherein the suspension connection bracket is L-shaped; the suspension connecting bracket comprises a first connecting part and a second connecting part; the first connecting part and the second connecting part are integrally formed; the first connecting part is arranged on the upper surface of the cross beam; the second connecting portion is used for being connected with the upper end of the open-fit type suspension bracket.
5. The mounting bracket for improving the dynamic stiffness of the suspension attachment point of the auxiliary frame of the hydrogen powered vehicle as claimed in claim 4, wherein the first connecting part is detachably mounted on the upper surface of the cross beam through a bolt.
6. The mounting bracket for improving the dynamic stiffness of the suspension attachment point of the subframe of the hydrogen powered vehicle as claimed in claim 1, further comprising a mass; the mass block is arranged on one side, far away from the opening fit type support, of the cross beam.
7. The mounting bracket for improving the dynamic stiffness of the suspension attachment point of the auxiliary frame of the hydrogen energy automobile as claimed in claim 6, wherein the mass block is detachably mounted on the side surface of the cross beam through a bolt.
8. The mounting bracket for improving the dynamic stiffness of the suspension attachment point of the auxiliary frame of the hydrogen energy automobile as claimed in claim 6, wherein the number of the mass blocks is one or more than two.
9. The mounting bracket for improving the dynamic stiffness of the suspension attachment point of the auxiliary frame of the hydrogen energy automobile as claimed in claim 2, wherein the vertical beam is further provided with a wiring harness mounting bolt.
10. The mounting bracket for improving the dynamic stiffness of a hydrogen energy automobile subframe suspension attachment point of claim 9 wherein said wire harness mounting bolt is riveted to said vertical beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022812495.1U CN214084446U (en) | 2020-11-27 | 2020-11-27 | Mounting bracket for improving dynamic stiffness of suspension attachment point of auxiliary frame of hydrogen energy automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022812495.1U CN214084446U (en) | 2020-11-27 | 2020-11-27 | Mounting bracket for improving dynamic stiffness of suspension attachment point of auxiliary frame of hydrogen energy automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214084446U true CN214084446U (en) | 2021-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022812495.1U Active CN214084446U (en) | 2020-11-27 | 2020-11-27 | Mounting bracket for improving dynamic stiffness of suspension attachment point of auxiliary frame of hydrogen energy automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214084446U (en) |
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2020
- 2020-11-27 CN CN202022812495.1U patent/CN214084446U/en active Active
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