CN219694498U - Top cover wind tunnel test structure and automobile - Google Patents
Top cover wind tunnel test structure and automobile Download PDFInfo
- Publication number
- CN219694498U CN219694498U CN202320998440.5U CN202320998440U CN219694498U CN 219694498 U CN219694498 U CN 219694498U CN 202320998440 U CN202320998440 U CN 202320998440U CN 219694498 U CN219694498 U CN 219694498U
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- Prior art keywords
- top cover
- cutting point
- wind tunnel
- test structure
- tunnel test
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- 238000012360 testing method Methods 0.000 title claims abstract description 35
- 238000005520 cutting process Methods 0.000 claims abstract description 50
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000003466 welding Methods 0.000 claims description 21
- 239000002184 metal Substances 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Abstract
The utility model provides a top cover wind tunnel test structure and an automobile, and belongs to the technical field of automobile top cover tests. The problem of current test structure top cap below the material extravagant is solved and all be equipped with the cutting point on top cap assembly and the bracket, at sheet material cutting's in-process, cut in proper order, can guarantee to discern easily, avoid using wrong part. The novel top cover comprises a mounting plate, a top cover assembly and brackets, wherein a plurality of brackets are uniformly arranged on the front side and the rear side of the top cover assembly, the brackets are arranged in the middle of the left side of the top cover assembly, and the brackets are all mounted on the mounting plate. The test device is mainly used for automobile top cover wind tunnel tests.
Description
Technical Field
The utility model belongs to the technical field of automobile top cover tests, and particularly relates to a top cover wind tunnel test structure and an automobile.
Background
In the trial production stage of a new vehicle type, a user has the requirements of a plurality of roof wind tunnel test modules, and at present, in order to meet the experimental requirements of the user, 1 roof skylight module is required to produce 1 trial production body in white, then the top of the body is cut, and a roof part is obtained to perform wind tunnel test. Each new vehicle trial production project requires approximately 4 parts of body in white to be produced for the experiment, and a large amount of waste can be caused because the top cover is scrapped completely. According to the utility model, according to the region to be verified in the wind tunnel test, the experiment requirement can be met only by using the top cover assembly part and the special bracket, and a large amount of waste caused by scrapping of the whole white car body is avoided.
Disclosure of Invention
In view of the above, the utility model aims to provide a top cover wind tunnel test structure and an automobile so as to solve the problem of waste of materials below a top cover of the existing test structure.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a top cap wind tunnel test structure, includes mounting panel, top cap assembly and bracket, both sides all evenly are provided with a plurality of brackets around the top cap assembly, top cap assembly's left side middle part is provided with the bracket, the bracket is all installed on the mounting panel.
Furthermore, the four sides of the outer side of the top cover assembly are sequentially provided with a first cutting point, a second cutting point, a third cutting point and a seventh cutting point.
Further, the brackets on the front side and the rear side of the top cover assembly are sequentially provided with a fourth cutting point, a fifth cutting point, a sixth cutting point and an eighth cutting point, the bracket provided with the eighth cutting point is further provided with a ninth cutting point, and the bracket in the middle of the left side of the top cover assembly is provided with a tenth cutting point.
Still further, the gap between the mounting plate and the lower plane of the frame formed by the top cover assembly and the bracket is less than 0.2mm.
Still further, the mounting plate flatness is less than 0.3mm.
Further, the top cover assembly is made of steel materials.
Further, the top cover assembly and the bracket are welded by a cold metal transition welding technology.
Still further, the bracket is welded to the mounting plate by a cold metal transition welding technique.
Furthermore, the top cover of the automobile adopts the top cover wind tunnel test structure to conduct wind tunnel test.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the wind tunnel test requirement can be met by only welding the top cover assembly and the bracket below, and the problem of waste of materials below the top cover of the existing test structure is solved.
2. The top cover assembly and the bracket are provided with the cutting points, and the cutting points are sequentially cut in the plate cutting process, so that easy identification and part error prevention can be ensured.
3. The gap between the lower plane of the frame and the mounting plate is smaller than 0.2mm, so that the welding length is ensured.
4. After the whole welding, the molded surface is overhauled and corrected, and the actual measurement precision of the molded surface is ensured to be less than 0.2mm.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic structural view of a roof wind tunnel test structure according to the present utility model;
FIG. 2 is a three-dimensional schematic view of a header assembly according to the present utility model;
FIG. 3 is a side view of the cap assembly of the present utility model;
FIG. 4 is a bottom view of the cap assembly of the present utility model;
fig. 5 is a schematic view of the installation of the present utility model.
1-first cutting point, 2-second cutting point, 3-third cutting point, 4-fourth cutting point, 5-fifth cutting point, 6-sixth cutting point, 7-seventh cutting point, 8-eighth cutting point, 9-ninth cutting point, 10-tenth cutting point, 11-mounting plate, 12-top cover assembly, 13-bracket.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It should be noted that, in the case of no conflict, embodiments of the present utility model and features of the embodiments may be combined with each other, and the described embodiments are only some embodiments of the present utility model, not all embodiments.
The first embodiment is; referring to fig. 1-5 for illustrating the present embodiment, a roof wind tunnel test structure includes a mounting plate 11, a roof assembly 12 and a bracket 13, both sides all are provided with a plurality of brackets 13 uniformly around the roof assembly 12, the left side middle part of roof assembly 12 is provided with bracket 13, bracket 13 is all installed on mounting plate 11, roof assembly 12 adopts steel material, roof assembly 12 and bracket 13 pass through cold metal transition welding technique and weld, bracket 13 and mounting plate 11 pass through cold metal transition welding technique and weld, and this structure only need with roof assembly 12 and bracket 13 of below through cold metal transition welding technique after can accomplish wind tunnel test demand, has solved the extravagant problem of material below the current test structure roof.
The second embodiment is as follows: referring to fig. 1-5 for describing the present embodiment, the four sides of the outer side of the top cover assembly 12 are sequentially provided with a first cutting point 1, a second cutting point 2, a third cutting point 3 and a seventh cutting point 7, the brackets 13 on the front side and the rear side of the top cover assembly 12 are sequentially provided with a fourth cutting point 4, a fifth cutting point 5, a sixth cutting point 6 and an eighth cutting point 8, the brackets 13 provided with the eighth cutting point 8 are further provided with a ninth cutting point 9, the brackets 13 in the middle of the left side of the top cover assembly 12 are provided with a tenth cutting point 10, and when a plate material passes through laser cutting, the plate material needs to be sequentially cut from the first cutting point 1 to the tenth cutting point 10, so that easy identification can be ensured, and wrong parts are avoided.
And a third specific embodiment: referring to fig. 1-5 for describing the present embodiment, the gap between the lower plane of the frame formed by the top cover assembly 12 and the bracket 13 and the mounting plate 11 is less than 0.2mm, so as to ensure welding strength, and the flatness of the mounting plate 11 is less than 0.3mm, so that the actual measurement accuracy of the molded surface is ensured.
Further, when the mounting plate 11 is welded, the welding strength of the bracket 13 and the mounting plate 11 needs to be guaranteed, defects such as warping, bubbles, false welding and tilting are avoided, the overall flatness of the mounting plate 11 is less than 0.3mm, a welding platform can be utilized, the mounting plate 11 is mounted, the welding cooling speed and the release of welding stress are paid attention to, then the top cover assembly 12 is mounted according to the drawing position, the joint surface gap is guaranteed to be less than 0.2mm, intermittent welding is carried out in sections, the welding seam is smooth, the defects such as bubbles and false welding are avoided, and when the internal welding is carried out, the parts are prevented from colliding, the defect of the whole parts of the top cover is guaranteed, and the welding strength is guaranteed.
The specific embodiment IV is as follows: referring to fig. 1-5, the present embodiment is described with reference to an automobile, in which a roof wind tunnel test structure is described for a roof of the automobile to perform a wind tunnel test.
The embodiments of the utility model disclosed above are intended only to help illustrate the utility model. The examples are not intended to be exhaustive or to limit the utility model to the precise forms disclosed. Many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model.
Claims (9)
1. The utility model provides a top cap wind tunnel test structure which characterized in that: the novel top cover comprises a mounting plate (11), a top cover assembly (12) and brackets (13), wherein a plurality of brackets (13) are uniformly arranged on the front side and the rear side of the top cover assembly (12), the brackets (13) are arranged in the middle of the left side of the top cover assembly (12), and the brackets (13) are all arranged on the mounting plate (11).
2. The roof wind tunnel test structure according to claim 1, wherein: the four sides in the outer side of the top cover assembly (12) are sequentially provided with a first cutting point (1), a second cutting point (2), a third cutting point (3) and a seventh cutting point (7).
3. The roof wind tunnel test structure according to claim 1, wherein: the bracket (13) on the front side and the rear side of the top cover assembly (12) are sequentially provided with a fourth cutting point (4), a fifth cutting point (5), a sixth cutting point (6) and an eighth cutting point (8), the bracket (13) provided with the eighth cutting point (8) is also provided with a ninth cutting point (9), and the bracket (13) in the middle of the left side of the top cover assembly (12) is provided with a tenth cutting point (10).
4. The roof wind tunnel test structure according to claim 1, wherein: the gap between the lower plane of the frame formed by the top cover assembly (12) and the bracket (13) and the mounting plate (11) is smaller than 0.2mm.
5. The roof wind tunnel test structure according to claim 4, wherein: the flatness of the mounting plate (11) is smaller than 0.3mm.
6. The roof wind tunnel test structure according to claim 1, wherein: the top cover assembly (12) is made of steel materials.
7. The roof wind tunnel test structure according to claim 1, wherein: the top cover assembly (12) and the bracket (13) are welded by a cold metal transition welding technology.
8. The roof wind tunnel test structure according to claim 1, wherein: the bracket (13) and the mounting plate (11) are welded by a cold metal transition welding technology.
9. An automobile, characterized in that: the roof of the automobile is subjected to wind tunnel test by adopting the roof wind tunnel test structure according to any one of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320998440.5U CN219694498U (en) | 2023-04-28 | 2023-04-28 | Top cover wind tunnel test structure and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320998440.5U CN219694498U (en) | 2023-04-28 | 2023-04-28 | Top cover wind tunnel test structure and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219694498U true CN219694498U (en) | 2023-09-15 |
Family
ID=87946444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320998440.5U Active CN219694498U (en) | 2023-04-28 | 2023-04-28 | Top cover wind tunnel test structure and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219694498U (en) |
-
2023
- 2023-04-28 CN CN202320998440.5U patent/CN219694498U/en active Active
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