CN217738452U - New energy automobile electric drive assembly noise test equipment - Google Patents
New energy automobile electric drive assembly noise test equipment Download PDFInfo
- Publication number
- CN217738452U CN217738452U CN202221230412.0U CN202221230412U CN217738452U CN 217738452 U CN217738452 U CN 217738452U CN 202221230412 U CN202221230412 U CN 202221230412U CN 217738452 U CN217738452 U CN 217738452U
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- new energy
- drive assembly
- energy automobile
- electric drive
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- 230000030279 gene silencing Effects 0.000 claims abstract description 16
- 230000003028 elevating effect Effects 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims description 16
- 238000013016 damping Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The utility model relates to the technical field of new energy vehicles, in particular to a noise testing device for a new energy vehicle electric drive assembly, which comprises a platform, wherein both ends of the top of the platform are provided with mounting seats, both ends of the top of the mounting seats are fixedly provided with first electric cylinders through a rack, and the inner side of the top of the platform is provided with a silencing mechanism; the base, the base sets up in the top middle part of platform, the top of base is provided with elevating system. The utility model discloses a set up the platform, this device is when using, installs the drive main part at the top of flange, then drives the drive main part through elevating system and rises to suitable height, the output shaft that will drive the main part keeps the level with equipment mechanism, then carry out the group through equipment mechanism and take over, can use supporting noise detecting instrument to detect in the anechoic chamber after the equipment is accomplished, and can subduct the vibrations that produce when driving the main part through amortization mechanism, avoid conducting to the ground of anechoic chamber.
Description
Technical Field
The utility model relates to a new energy automobile technical field specifically is a new energy automobile electric drive assembly noise test equipment.
Background
The new energy automobile is an automobile which is advanced in technical principle, has a new technology and a new structure, is formed by taking unconventional automobile fuel as a power source and integrating advanced technologies in the aspects of power control and driving of the automobile, and comprises a new energy electric automobile, wherein an electric drive assembly in the electric automobile needs to be subjected to noise test when the electric drive assembly leaves a factory.
Although the noise test device for the electric drive assembly of the new energy automobile disclosed by the publication No. CN209181912U realizes the noise test of the electric drive assembly of the new energy automobile, and can effectively control the background noise transmitted from the outside of the semi-anechoic chamber by arranging the sound-proof cover, the test result is more real, and the accuracy of the test result is ensured, the problem that the test result has errors due to the fact that the vibration generated during the test of the existing electric drive assembly is transmitted to the bottom plate of the anechoic chamber is not solved, and therefore a new energy automobile electric drive assembly noise test device is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a new energy automobile electric drive assembly noise test equipment to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme:
new energy automobile electric drive assembly noise test equipment, new energy automobile electric drive assembly noise test equipment includes
The device comprises a platform, wherein mounting seats are arranged at two ends of the top of the platform, first electric cylinders are fixedly mounted at the tops of the mounting seats at two ends through a rack, and a silencing mechanism is arranged on the inner side of the top of the platform;
the base, the base sets up in the top middle part of platform, the top of base is provided with elevating system, elevating system's top has the flange through a plurality of spliced poles fixed mounting, the top fixedly connected with bracket of flange, the top fixed mounting of bracket has the drive main part, be provided with equipment mechanism between the both ends of drive main part and the output shaft of first electronic jar.
Preferably, the silencing mechanism comprises a silencing plate and a ground mat, the bottom end of the platform is fixedly connected with the ground mat, the inner side of the top of the platform is fixedly connected with the silencing plate, two ends of the top of the silencing plate are fixedly connected with the mounting seats, and the middle of the top end of the silencing plate is fixedly connected with the base;
preferably, the lifting mechanism comprises a second electric cylinder, a push rod and a supporting plate, the second electric cylinder is fixedly installed at the top of the base, an output shaft of the second electric cylinder is fixedly connected with the push rod, the top of the push rod is fixedly connected with the supporting plate, and the top of the supporting plate is fixedly connected with a plurality of connecting columns;
preferably, the assembling mechanism comprises an installation sleeve, positioning grooves, a fixed disc and positioning columns, the output end of the first electric cylinder is movably connected with the installation sleeve through a bearing, a plurality of positioning grooves are formed in one end, far away from the first electric cylinder, of the installation sleeve, the two ends of the driving main body are fixedly connected with the fixed disc, and one side, close to the installation sleeve, of the fixed disc is in sleeve connection with the positioning grooves through the positioning columns;
preferably, sleeves are fixedly mounted at the top ends of four corners of the base, and four corners of the bottom end of the supporting plate are movably connected with the sleeves through loop bars;
preferably, the connecting column and the ground mat are made of rubber.
Compared with the prior art, the beneficial effects of the utility model are that:
1. this new energy automobile electric drive assembly noise test equipment, through setting up amortization mechanism, the vibrations that the drive main part produced when moving can be conducted to the base on, at this moment through the acoustical panel with the noise absorption, and the ground mat of platform bottom can play absorbing effect, avoids vibrations to conduct to the ground of anechoic chamber, can avoid like this to shake the noise that produces when detecting and produce the influence to the result that detects to reach the mesh of the amortization of being convenient for.
2. This new energy automobile electric drive assembly noise test equipment, through setting up equipment mechanism, install the fixed disk on the output shaft at drive main part both ends, start first electronic jar after that, first electronic jar drives the direction promotion of installation cover toward the fixed disk, after promoting to the nearest distance, rotate the installation cover, aim at the inside reference column of installation cover and constant head tank, start first electronic jar again after that, through reference column joint constant head tank to reach the purpose of the equipment of being convenient for.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of the present invention at A in FIG. 1;
FIG. 3 is an enlarged schematic view of the present invention at B of FIG. 1;
fig. 4 is an enlarged schematic view of the present invention at C in fig. 1.
In the figure: 1. a platform; 2. a mounting seat; 3. a frame; 4. a first electric cylinder; 5. a base; 6. a lifting mechanism; 7. connecting columns; 8. a flange; 9. a bracket; 10. a drive body; 11. an assembly mechanism; 12. a silencing mechanism; 13. a sound-absorbing panel; 14. a floor mat; 15. a second electric cylinder; 16. a push rod; 17. a support plate; 18. a loop bar; 19. installing a sleeve; 20. positioning a groove; 21. fixing the disc; 22. a positioning column; 23. a sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "top", "bottom", "inner", "outer", and the like refer to orientations or positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by one of ordinary skill in the art as appropriate.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-4, the present invention provides a technical solution:
new energy automobile electric drive assembly noise test equipment, new energy automobile electric drive assembly noise test equipment includes
The device comprises a platform 1, wherein mounting seats 2 are arranged at two ends of the top of the platform 1, first electric cylinders 4 are fixedly mounted at the tops of the mounting seats 2 at the two ends through a rack 3, and a silencing mechanism 12 is arranged on the inner side of the top of the platform 1;
the device comprises a base 5, wherein the base 5 is arranged in the middle of the top end of a platform 1, a lifting mechanism 6 is arranged at the top of the base 5, a flange 8 is fixedly mounted at the top of the lifting mechanism 6 through a plurality of connecting columns 7, a bracket 9 is fixedly connected to the top of the flange 8, a driving main body 10 is fixedly mounted at the top of the bracket 9, and an assembling mechanism 11 is arranged between two ends of the driving main body 10 and an output shaft of a first electric cylinder 4;
through the above scheme, through setting up platform 1, this device is when using, install drive main part 10 at the top of flange 8, then drive main part 10 through elevating system 6 and rise to suitable height, output shaft and equipment mechanism 11 with drive main part 10 keep the level, then organize the length through equipment mechanism 11, can use supporting noise detection instrument to detect in the anechoic chamber after the equipment is accomplished, and can subdue the vibrations that produce when driving main part 10 moves through amortization mechanism 12, avoid conducting to the ground of anechoic chamber.
In this embodiment, preferably, the silencing mechanism 12 includes a silencing plate 13 and a ground mat 14, the bottom end of the platform 1 is fixedly connected to the ground mat 14, the inner side of the top of the platform 1 is fixedly connected to the silencing plate 13, both ends of the top of the silencing plate 13 are fixedly connected to the mounting base 2, and the middle of the top end of the silencing plate 13 is fixedly connected to the base 5;
through the scheme, the noise reduction mechanism 12 is arranged, so that vibration generated when the driving main body 10 operates can be transmitted to the base 5, noise is absorbed through the noise reduction plate 13, the ground mat 14 at the bottom end of the platform 1 can play a role in shock absorption, and the vibration is prevented from being transmitted to the ground of a noise reduction chamber, so that the noise generated by the vibration during detection can be prevented from influencing a detection result, and the purpose of facilitating noise reduction is achieved;
in this embodiment, preferably, the lifting mechanism 6 includes a second electric cylinder 15, a push rod 16 and a supporting plate 17, the second electric cylinder 15 is fixedly installed at the top of the base 5, an output shaft of the second electric cylinder 15 is fixedly connected with the push rod 16, the top of the push rod 16 is fixedly connected with the supporting plate 17, and the top of the supporting plate 17 is fixedly connected with the connecting posts 7;
through the scheme, the lifting mechanism 6 is arranged, the driving main body 10 is installed at the top of the flange 8 through the bracket 9 with the bottom end integrally formed, then the second electric cylinder 15 is started, the supporting plate 17 is driven to rise through the sleeve rod 18 after the second electric cylinder 15 is started, the driving main body 10 is driven to rise to keep the horizontal position with the installation sleeve 19 after the supporting plate 17 rises, and the lifting mechanism 6 is used for adjusting the height, so that the device can detect the driving main bodies 10 with various specifications, and the purpose of facilitating adjustment is achieved;
in this embodiment, preferably, the assembling mechanism 11 includes an installation sleeve 19, positioning slots 20, a fixed disk 21 and positioning posts 22, the output end of the first electric cylinder 4 is movably connected to the installation sleeve 19 through a bearing, one end of the installation sleeve 19, which is far away from the first electric cylinder 4, is provided with a plurality of positioning slots 20, both ends of the driving main body 10 are fixedly connected to the fixed disk 21, and one side of the fixed disk 21, which is close to the installation sleeve 19, is sleeved with the positioning slots 20 through the plurality of positioning posts 22;
through the scheme, the fixed disc 21 is arranged on the output shafts at the two ends of the driving main body 10 by arranging the assembling mechanism 11, then the first electric cylinder 4 is started, the first electric cylinder 4 drives the mounting sleeve 19 to push towards the fixed disc 21, after the mounting sleeve 19 is pushed to the nearest distance, the mounting sleeve 19 is rotated, the positioning column 22 in the mounting sleeve 19 is aligned with the positioning groove 20, then the first electric cylinder 4 is started again, and the positioning groove 20 is clamped and connected through the positioning column 22, so that the purpose of facilitating assembly is achieved;
in this embodiment, preferably, sleeves 23 are fixedly mounted at the top ends of four corners of the base 5, and four corners of the bottom end of the supporting plate 17 are movably connected with the sleeves 23 through loop bars 18;
through the scheme, the sleeve rods 18 are arranged for the purpose that when the second electric cylinder 15 pushes the supporting plate 17 to ascend and descend, the sleeve rods 18 at the four corners of the supporting plate 17 synchronously slide in the middle of the sleeve 23, so that a guiding effect is achieved;
in this embodiment, preferably, the connecting column 7 and the ground mat 14 are made of rubber;
through the above scheme, the purpose of setting up ground mat 14 is to carry out the shock attenuation through the rubber material, can avoid vibrations conduction to ground like this, and the position of spliced pole 7 can play absorbing purpose equally.
When the new energy automobile electric drive assembly noise test equipment of this embodiment is in use, place this device in the soundproof room and detect, the supporting noise detection instrument that has been equipped with in the soundproof room, then install drive main part 10 at the top of flange 8 through its bottom integrated into one piece's bracket 9, then start second electronic cylinder 15, second electronic cylinder 15 drives layer board 17 through loop bar 18 after starting, layer board 17 drives drive main part 10 after rising to keep horizontal position with mounting sleeve 19, then install fixed disk 21 on the output shaft at drive main part 10 both ends, then start first electronic cylinder 4, first electronic cylinder 4 drives mounting sleeve 19 and promotes towards fixed disk 21 direction, after promoting to the nearest distance, rotate mounting sleeve 19, align reference column 22 and constant head tank 20 inside mounting sleeve 19, then start first electronic cylinder 4 again, through reference column 22 joint constant head tank 20, then connect drive main part 10 to the external power supply, drive main part 10 drives mounting sleeve 19 through fixed disk 21 after starting, at a high-speed rotation, at this moment can detect through detecting instrument in the soundproof room, drive main part 10 when operation, can produce the vibration noise through the vibration damping noise of base, can avoid the damping noise of shock absorption platform to the damping floor, can the noise detection result of this moment can be produced to the damping floor, can be avoided the damping floor.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a new energy automobile electric drive assembly noise test equipment which characterized in that: new energy automobile electric drive assembly noise test equipment includes
The device comprises a platform (1), wherein mounting seats (2) are respectively arranged at two ends of the top of the platform (1), first electric cylinders (4) are respectively fixedly mounted at the tops of the mounting seats (2) at the two ends through a rack (3), and a silencing mechanism (12) is arranged on the inner side of the top of the platform (1);
base (5), base (5) set up in the top middle part of platform (1), the top of base (5) is provided with elevating system (6), there are flange (8) at the top of elevating system (6) through a plurality of spliced poles (7) fixed mounting, the top fixedly connected with bracket (9) of flange (8), the top fixed mounting of bracket (9) has drive main part (10), be provided with equipment mechanism (11) between the output shaft of the both ends of drive main part (10) and first electronic jar (4).
2. The new energy automobile electric drive assembly noise test equipment of claim 1, characterized in that: silencing mechanism (12) including noise damping board (13) and ground mat (14), bottom fixed connection ground mat (14) of platform (1), inboard fixed connection noise damping board (13) in the top of platform (1), the equal fixed connection mount pad (2) in top both ends of noise damping board (13), the top middle part fixed connection base (5) of noise damping board (13).
3. The noise testing device for the electric drive assembly of the new energy automobile according to claim 1, characterized in that: elevating system (6) including electronic jar of second (15), push rod (16) and layer board (17), the electronic jar of top fixed mounting second (15) of base (5), output shaft fixed connection push rod (16) of the electronic jar of second (15), top fixed connection layer board (17) of push rod (16), a plurality of spliced poles of top fixed connection (7) of layer board (17).
4. The noise testing device for the electric drive assembly of the new energy automobile according to claim 1, characterized in that: equipment mechanism (11) is including installation cover (19), constant head tank (20), fixed disk (21) and reference column (22), bearing swing joint installation cover (19) are passed through to the output of first electronic jar (4), a plurality of constant head tanks (20) are seted up to the one end that first electronic jar (4) were kept away from in installation cover (19), the equal fixed connection fixed disk (21) in both ends of drive main part (10), constant head tank (20) are cup jointed through a plurality of reference columns (22) in one side that fixed disk (21) are close to installation cover (19).
5. The new energy automobile electric drive assembly noise test equipment of claim 3, characterized in that: the four corners top of base (5) all fixed mounting have sleeve (23), the bottom four corners of layer board (17) all is through loop bar (18) swing joint sleeve (23).
6. The new energy automobile electric drive assembly noise test equipment of claim 2, characterized in that: the connecting column (7) and the ground mat (14) are both made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221230412.0U CN217738452U (en) | 2022-05-19 | 2022-05-19 | New energy automobile electric drive assembly noise test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221230412.0U CN217738452U (en) | 2022-05-19 | 2022-05-19 | New energy automobile electric drive assembly noise test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217738452U true CN217738452U (en) | 2022-11-04 |
Family
ID=83836409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221230412.0U Expired - Fee Related CN217738452U (en) | 2022-05-19 | 2022-05-19 | New energy automobile electric drive assembly noise test equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217738452U (en) |
-
2022
- 2022-05-19 CN CN202221230412.0U patent/CN217738452U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221104 |
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| CF01 | Termination of patent right due to non-payment of annual fee |