CN213779436U - Vibration rack suitable for power battery pack - Google Patents
Vibration rack suitable for power battery pack Download PDFInfo
- Publication number
- CN213779436U CN213779436U CN202022584209.0U CN202022584209U CN213779436U CN 213779436 U CN213779436 U CN 213779436U CN 202022584209 U CN202022584209 U CN 202022584209U CN 213779436 U CN213779436 U CN 213779436U
- Authority
- CN
- China
- Prior art keywords
- power battery
- battery pack
- vibration
- rectangular frame
- fixedly connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a vibration rack suitable for a power battery pack, which is a vibration rack suitable for flexibly fixing the power battery pack and comprises a rectangular vibration platform, a supporting beam and a rectangular frame, wherein the rectangular vibration platform and the rectangular frame are connected through the supporting beam, the upper end of the supporting beam is fixedly connected with the rectangular frame, the supporting beam is symmetrical relative to the central line of the rectangular frame, the lower end of the supporting beam is fixedly connected with the upper end surface of the rectangular vibration platform, the lower end surface of the rectangular vibration platform is fixedly connected with a vibration test rack, a power battery pack bracket is arranged between the lower end of the rectangular frame and the rectangular vibration platform, the rectangular frame is elastically and fixedly connected with the power battery pack bracket through a rubber elastic bush, the circular structures of a first cross beam and a third cross beam and the I-shaped structure of a second cross beam can improve the rigidity of the vibration rack, and the rectangular frame simulates an actual automobile frame, the rubber elastic bushing can simulate the buffer structure of the power battery pack, so that the test data of the power battery pack are more accurate.
Description
Technical Field
The utility model relates to a power battery wraps test field, specifically is a shaking table frame suitable for power battery wraps.
Background
In the running process of a vehicle, a power battery pack is arranged on a vehicle body, loads borne by the power battery pack comprise vibration loads, impact loads and torsional loads in three directions, and because the power battery pack is large in mass, a longitudinal beam, a key welding point and a welding line of a lower shell of a battery box are easy to fatigue failure. After the structure became invalid, the sealed waterproof performance of power battery package can not satisfy IP 67's requirement, when the vehicle met operating mode such as wading, torrential rain, probably arouse electrical fault because the steam corrodes to influence electric vehicle's security. In order to improve the fatigue durability of the power battery pack, the connection between the power battery pack and the frame is changed from the original bolt fixed connection into flexible connection, and when the power battery pack is subjected to impact load, the impact on the power battery pack is reduced by the buffer action of the flexible connection device. Meanwhile, when the vehicle-connected vehicle runs on a twisted road surface, the flexible connecting device can absorb energy and reduce the twisting load on the power battery pack, so that the fatigue durability of the power battery pack is improved. As shown in fig. 2, the original random vibration rack only tests the power battery pack, and does not consider the flexible connection device between the power battery pack and the frame, and the rubber elastic sleeve can change the vibration transmitted from the frame to the power battery pack, so that the real stress condition of the power battery pack when the vehicle runs on a complex road surface cannot be reproduced, and the random vibration test result does not accord with the actual use condition of the vehicle. The original random vibration table frame is not provided with a fixed support at a frame end and a power battery pack end, and lacks of simulation of real use conditions of the power battery pack. Therefore, a vibration table frame suitable for a power battery pack is needed to solve the above problems.
Disclosure of Invention
An object of the utility model is to provide a shaking table frame suitable for power battery package to solve the problem among the prior art.
A vibration rack suitable for a power battery pack is a vibration rack suitable for flexibly fixing the power battery pack and comprises a rectangular vibration platform, a supporting beam and a rectangular frame, wherein the rectangular vibration platform and the rectangular frame are connected through the supporting beam, the upper end of the supporting beam is fixedly connected with the rectangular frame, the supporting beam is symmetrical relative to the central line of the rectangular frame, the lower end of the supporting beam is fixedly connected with the upper end face of the rectangular vibration platform, the lower end face of the rectangular vibration platform is fixedly connected with a vibration test rack, the rectangular frame comprises a first cross beam, a second cross beam, a third cross beam, a second longitudinal beam and a third longitudinal beam, the first cross beam, the second cross beam and the third cross beam are arranged on the same plane in parallel, the two ends of the first cross beam and the third cross beam are respectively fixedly connected with the second longitudinal beam and the third longitudinal beam to form a rectangular shape, and the cross sections of the first cross beam and the third cross beam are circular, the cross section of the second cross beam is I-shaped, the cross section of the second longitudinal beam is U-shaped, a power battery pack support is arranged between the lower end of the rectangular frame and the rectangular vibration platform, the rectangular frame is elastically and fixedly connected with the power battery pack support, the circular structures of the first cross beam and the third cross beam and the I-shaped structure of the second cross beam can improve the rigidity of the vibration rack, the rectangular frame simulates an actual automobile frame, and the power battery pack is tested by simulating the running condition of an actual automobile.
As a further improvement of the technical scheme, the supporting beam comprises a first longitudinal beam and at least 2 vertical beams, the cross sections of the first longitudinal beam and the vertical beams are U-shaped, and the first longitudinal beam is vertically and fixedly connected with the vertical beams.
As a further improvement of the technical scheme, a first connecting plate is arranged at the joint of the first longitudinal beam and the vertical beam, and the first connecting plate is welded with the first longitudinal beam and the vertical beam.
As a further improvement of the technical scheme, the rectangular frame is elastically and fixedly connected with the power battery pack support through the rubber elastic bushing, and the rubber elastic bushing provides a more real use environment for testing the power battery pack.
As a further improvement of the above technical scheme, a sleeve and a circular support member are arranged in the rubber elastic bushing, the sleeve and the circular support member are connected through vulcanized rubber, the sleeve is fixedly connected with the rectangular frame through a second connecting plate, and the circular support member is fixedly connected with the power battery pack support.
As a further improvement of the above technical solution, the support beam is fixedly connected with the second longitudinal beam of the rectangular frame by a bolt.
As a further improvement of the technical scheme, two ends of the first cross beam, the second cross beam and the third cross beam are fixedly connected with the second longitudinal beam and the third longitudinal beam through bolts respectively, and the vibration table frame is convenient to disassemble and maintain.
As a further improvement of the technical scheme, the thickness of the rectangular vibration platform is 50mm, and the rectangular vibration platform is used as a transition between the vibration test bed and the rectangular frame, so that a support beam under the rectangular frame can be prevented from directly wearing the vibration test bed.
The utility model has the advantages that: the utility model discloses it is structurally simple reasonable, the vibration test rack can simulate actual car frame in the test environment, add rubber elasticity bush simultaneously between vibration test rack and power battery package, can simulate the situation under car frame of the buffer structure of power battery package and power battery package in the actual environment, restore real test environment, it is more accurate to make the test result, solved and adopted the original condition that the vibration rack can not adapt to the flexonics, manufacturing process is simple, convenient to detach, the general degree of vibration rack is high.
Drawings
FIG. 1 is a schematic view of a rubber elastomeric bushing mounting for a vibration table of a power battery pack;
FIG. 2 is a schematic view of an original vibration stand for a power battery pack;
FIG. 3 is a schematic diagram of a rectangular frame structure of a vibration table frame suitable for a power battery pack;
FIG. 4 is a schematic diagram of a rectangular vibration platform suitable for a vibration table of a power battery pack;
FIG. 5 is a schematic diagram of a support beam structure of a vibration table for a power battery pack;
FIG. 6 is a schematic diagram of a cross beam structure of a rectangular frame of a vibration table frame suitable for a power battery pack;
FIG. 7 is a schematic diagram of an overall structure of a vibration table suitable for a power battery pack;
fig. 8 is an enlarged schematic view of a rubber elastic bushing structure of a vibration rack suitable for a power battery pack.
Fig. 9 is a schematic diagram of the internal structure of a rubber elastic bushing suitable for a vibration rack of a power battery pack.
Description of the drawings: 1. rectangular vibration platform, 2, a supporting beam, 3, a rectangular frame, 4, a vibration test bench, 5, a second longitudinal beam, 6, a vertical beam, 7, a first connecting plate, 8, a first longitudinal beam, 9, a first cross beam, 10, a second cross beam, 11, a third cross beam, 12, a power battery pack, 13, a power battery pack support, 14, a second connecting plate, 15, a rubber elastic bush, 16, a third longitudinal beam, 17, a sleeve, 18 and a circular support member.
Detailed Description
The technical scheme of the utility model is further explained in detail with the attached drawings as follows:
example (b): as shown in fig. 7, a vibration table rack suitable for a power battery pack is a vibration table rack suitable for flexibly fixing a power battery pack, and comprises a rectangular vibration platform 1, a supporting beam 2 and a rectangular frame 3, as shown in fig. 3, the rectangular vibration platform 1 and the rectangular frame 3 are connected through the supporting beam 2, the upper end of the supporting beam 2 is fixedly connected with the rectangular frame 3, the supporting beam 2 is symmetrical relative to the center line of the rectangular frame 3, the lower end of the supporting beam 2 is fixedly connected with the upper end face of the rectangular vibration platform 1, and the lower end face of the rectangular vibration platform 1 is fixedly connected with a vibration test table rack 4, as shown in fig. 6, the rectangular frame 3 comprises a first cross beam 9, a second cross beam 10 and a third cross beam 11, and a second longitudinal beam 5 and a third longitudinal beam 16, the first cross beam 9, the second cross beam 10 and the third cross beam 11 are arranged in parallel to each other and on the same plane, and both ends of the first cross beam 9, the cross sections of the first cross beam 9 and the third cross beam 11 are circular, the cross section of the second cross beam 10 is I-shaped, the cross section of the second longitudinal beam 5 is U-shaped, a power battery pack support 13 is arranged between the lower end of the rectangular frame 3 and the rectangular vibration platform 1, the rectangular frame 3 is elastically and fixedly connected with the power battery pack support 13, the circular structures of the first cross beam 9 and the third cross beam 11 and the I-shaped structure of the second cross beam 10 can enhance the rigidity strength of the rectangular frame 3, and meanwhile the whole rectangular frame 3 can simulate an actual automobile frame.
As shown in fig. 5, the support beam 2 includes a first longitudinal beam 8 and at least 2 vertical beams 6, the first longitudinal beam 8 and the vertical beams 6 have U-shaped cross sections, and the first longitudinal beam 8 is vertically and fixedly connected with the vertical beams 6.
The first connecting plate 7 is arranged at the joint of the first longitudinal beam 8 and the vertical beam 6, and the first connecting plate 7 is welded with the first longitudinal beam 8 and the vertical beam 6.
As shown in fig. 1 and 8, the rectangular frame 3 is elastically and fixedly connected with the power battery pack support 13 through the rubber elastic bushing 15, the power battery pack 12 mounted on the automobile generally has a buffer structure, and the rubber elastic bushing 15 is added, so that the condition of the power battery pack 12 in the actual operation of the automobile can be simulated more truly, and the simulation experiment result is more accurate.
As shown in fig. 9, a sleeve 17 and a circular support member 18 are arranged in the rubber elastic bushing 15, the sleeve 17 and the circular support member 18 are connected through vulcanized rubber, the sleeve 17 is fixedly connected with the rectangular frame 3 through a second connecting plate 14, the circular support member 18 is fixedly connected with the power battery pack support 13, that is, the upper end of the rubber elastic bushing 15 is fixedly connected to the second connecting plate 14 through the sleeve 17, the second connecting plate 14 is fixedly connected to the rectangular frame 3, the lower end of the rubber elastic bushing 15 is fixedly connected to the power battery pack support 13 through the circular support member 18, the sleeve 17 is a steel sleeve, and the rubber elastic bushing 15 between the sleeve 17 and the circular support member 18 can attenuate vibration transmitted to the power battery pack by the vehicle frame in all directions.
The support beam 2 is fixedly connected with the second longitudinal beam 5 of the rectangular frame 3 through bolts.
Two ends of the first cross beam 9, the second cross beam 10 and the third cross beam 11 are fixedly connected with the second longitudinal beam 5 and the third longitudinal beam 16 through bolts respectively, and the rectangular frame 3 is convenient to disassemble and maintain.
As shown in fig. 4, the thickness of the rectangular vibration platform 1 is 50mm, the material is aluminum alloy, the weight of the whole structure is reduced, the rectangular vibration platform 1 is used as the transition between the rectangular frame 3 and the vibration test bed 4, and the direct abrasion of the support beam 2 at the lower end of the rectangular frame 3 on the vibration test bed 4 can be avoided.
The utility model discloses a theory of operation is: as shown in fig. 7, when the power battery pack 12 is installed in the power battery pack support 13, the rectangular frame 3 simulates an actual frame of an automobile, the vibration test bench 4 inputs a random vibration power spectrum load, the rectangular vibration platform 1 is fixedly connected with the vibration test bench 4, the rectangular frame 3 can obtain the same load as the vibration test bench 4, the vibration of the frame is simulated, the vibration of the frame is transmitted to the rubber elastic bushing 15, the rubber elastic changes the vibration size and is transmitted to the power battery pack 12, the vibration transmission mode in the process is consistent with that in the driving process of the automobile, and the problem that the original power battery pack vibration bench is not suitable for the flexible fixation of the power battery pack is solved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration only, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the claims and their equivalents.
Claims (8)
1. The utility model provides a shaking table suitable for power battery package, its characterized in that is a shaking table suitable for flexible fixed power battery package, includes rectangle vibration platform (1), a supporting beam (2) and rectangular frame (3), rectangle vibration platform (1), rectangular frame (3) are connected through a supporting beam (2), the upper end and the rectangular frame (3) fixed connection of a supporting beam (2), supporting beam (2) are symmetrical for rectangular frame (3) central line, a supporting beam (2) lower extreme and rectangle vibration platform (1) up end fixed connection, terminal surface fixed connection has vibration test rack (4) under rectangle vibration platform (1), rectangular frame (3) include first crossbeam (9), second crossbeam (10) and third crossbeam (11) to and second longeron (5) and third longeron (16), first crossbeam (9), second crossbeam (10) and third crossbeam (11) are parallel to each other and set up in the coplanar, and its both ends constitute the rectangle with second longeron (5) and third longeron (16) fixed connection respectively, first crossbeam (9) and third crossbeam (11) cross-section are circular, second crossbeam (10) cross-section is the I shape, second longeron (5) cross-section is the U type, be provided with power battery package support (13) between rectangular frame (3) lower extreme and rectangle vibration platform (1), rectangular frame (3) and power battery package support (13) elastic fixation are connected.
2. The vibration table frame suitable for the power battery pack is characterized in that the supporting beam (2) comprises a first longitudinal beam (8) and at least 2 vertical beams (6), the cross sections of the first longitudinal beam (8) and the vertical beams (6) are U-shaped, and the first longitudinal beam (8) is vertically and fixedly connected with the vertical beams (6).
3. The vibration rack suitable for the power battery pack is characterized in that a first connecting plate (7) is arranged at the joint of the first longitudinal beam (8) and the vertical beam (6), and the first connecting plate (7) is welded with the first longitudinal beam (8) and the vertical beam (6).
4. The vibration stand for power battery packs according to claim 1, characterized in that the rectangular frame (3) is elastically and fixedly connected with the power battery pack support (13) through a rubber elastic bushing (15).
5. The vibration table frame suitable for the power battery pack is characterized in that a sleeve (17) and a circular support piece (18) are arranged in the rubber elastic bushing (15), the sleeve (17) and the circular support piece (18) are connected through vulcanized rubber, the sleeve (17) is fixedly connected with the rectangular frame (3) through a second connecting plate (14), and the circular support piece (18) is fixedly connected with the power battery pack support (13).
6. The vibration table frame suitable for the power battery pack is characterized in that the supporting beam (2) is fixedly connected with the second longitudinal beam (5) of the rectangular frame (3) through a bolt.
7. The vibration rack suitable for the power battery pack as claimed in claim 1, wherein two ends of the first cross beam (9), the second cross beam (10) and the third cross beam (11) are fixedly connected with the second longitudinal beam (5) and the third longitudinal beam (16) through bolts respectively.
8. The vibration table frame suitable for the power battery pack as claimed in claim 1, wherein the rectangular vibration table (1) is 50mm thick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022584209.0U CN213779436U (en) | 2020-11-10 | 2020-11-10 | Vibration rack suitable for power battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022584209.0U CN213779436U (en) | 2020-11-10 | 2020-11-10 | Vibration rack suitable for power battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213779436U true CN213779436U (en) | 2021-07-23 |
Family
ID=76915980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022584209.0U Active CN213779436U (en) | 2020-11-10 | 2020-11-10 | Vibration rack suitable for power battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213779436U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114441128A (en) * | 2022-01-13 | 2022-05-06 | 东风柳州汽车有限公司 | Testing device and testing method for detecting spare wheel carrier |
-
2020
- 2020-11-10 CN CN202022584209.0U patent/CN213779436U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114441128A (en) * | 2022-01-13 | 2022-05-06 | 东风柳州汽车有限公司 | Testing device and testing method for detecting spare wheel carrier |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213779436U (en) | Vibration rack suitable for power battery pack | |
| CN102829985B (en) | Fatigue testing device and fatigue testing method for traction connecting rod system of single-rail cart | |
| CN102095578A (en) | High-speed train transmission system assembly reliability test bed | |
| CN104198198B (en) | The parts of the dynamical characteristic test bed frame of people's chair and application | |
| CN214215473U (en) | Auxiliary supporting device for gearbox and vehicle | |
| CN207850709U (en) | A kind of automobile suspended fatigue tester | |
| CN112461525B (en) | Unmanned helicopter engine mounting bracket test device | |
| CN112329313A (en) | Power battery pack fatigue life calculation method | |
| CN210293597U (en) | Adjustable wallboard vibration impact test anchor clamps | |
| CN212737724U (en) | Flexible anti-torsion suspension device for power battery | |
| Ruan et al. | Simulation and optimization of a new energy vehicle power battery pack structure | |
| CN108168917A (en) | For testing the loading device of bogie frame bearing capacity and test system | |
| CN110589023B (en) | Structure for disabling helicopter focusing vibration isolation system | |
| CN206556839U (en) | A kind of multidirectional alternating temperature damper test stand of monoblock type | |
| Tang et al. | Fatigue strength and modal analysis of bogie frame for DMUs exported to Tunisia | |
| CN206459820U (en) | Balladeur train assembly stiffness test platform | |
| CN112591137A (en) | Horizontal tail large shaft test device for airplane | |
| CN212304322U (en) | Comprehensive distribution box | |
| CN216926005U (en) | Three-degree-of-freedom vibration bench test structure of battery support assembly | |
| CN218865443U (en) | Battery pack testing tool | |
| CN217424769U (en) | Multi-connecting-rod structure bench test tool for SX5G rear auxiliary frame | |
| CN210829496U (en) | Engine supporting leg structure | |
| CN213985717U (en) | Shock absorber testing device | |
| CN214667580U (en) | Experimental frock of assembly of marking time and test system | |
| CN217111812U (en) | Rigidity test fixture for vehicle body suspension |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |