CN220230896U - Semi-automatic three-dimensional movement measuring device of automobile wind tunnel - Google Patents
Semi-automatic three-dimensional movement measuring device of automobile wind tunnel Download PDFInfo
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- CN220230896U CN220230896U CN202321987573.9U CN202321987573U CN220230896U CN 220230896 U CN220230896 U CN 220230896U CN 202321987573 U CN202321987573 U CN 202321987573U CN 220230896 U CN220230896 U CN 220230896U
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- 239000000523 sample Substances 0.000 claims abstract description 29
- 238000005259 measurement Methods 0.000 claims abstract description 19
- 238000005452 bending Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The utility model relates to a semiautomatic three-dimensional mobile measurement device of an automobile wind tunnel, which comprises a probe and a two-dimensional mobile measurement frame, wherein the probe is fixedly arranged on a Z-direction mobile platform of the two-dimensional mobile measurement frame; the back of the Z-shaped guide rail of the two-dimensional moving and measuring frame is provided with a supporting plate; the supporting plate is fixedly connected with the Y-direction guide rail and the Z-direction moving platform through screws; two flow field sliding rails are arranged at the bottom of the two-dimensional moving and measuring frame Y-direction guide rail along the X-direction, the flow field sliding rails are linear sliding rails, and the two-dimensional moving and measuring frame is connected with the flow field sliding rails through sliding blocks and moves on the flow field sliding rails; the flow field sliding rail is fixed on the wind tunnel floor through the base plate. The two-dimensional moving and measuring frame is matched with the flow field to the sliding rail to realize the three-dimensional movement of the probe, so that the structure is simple, the processing is easy, and the installation is convenient; the sliding rail is adopted for movement, the movement is stable, the positioning is convenient, the movement speed of the two-dimensional movement measuring frame is high, and the measurement is more efficient; the device has small whole volume and effectively reduces the influence of the device on the air flow.
Description
Technical Field
The utility model relates to the technical field of measuring tools, in particular to a semi-automatic three-dimensional mobile measuring device for an automobile wind tunnel, which is used for measuring a flow field on the side of an automobile front wheel or a rearview mirror.
Background
Automobile wind tunnel measurement experiments are often equipped with large three-dimensional mobile measurement devices that are commonly used for flow field calibration or automobile wake measurement. However, as domestic vehicle enterprises pay more attention to the study of aerodynamic performance of automobiles, many vehicle enterprises begin to study the air flow pressure distribution of front wheels and rearview mirror areas of automobiles. However, the existing three-dimensional movement measuring device is limited to be applied to the area due to the factors of large volume, slow movement and the like, and meanwhile, the existing three-dimensional movement measuring device is expensive and has extremely high cost.
Disclosure of Invention
Aiming at the defects in the prior art, the technical problem to be solved by the utility model is to provide the semiautomatic three-dimensional movement measuring device for the automobile wind tunnel, which has small volume, convenient movement and lower cost.
In order to solve the technical problems, the utility model adopts the following technical scheme: the semi-automatic three-dimensional mobile measurement device for the automobile wind tunnel comprises a probe and a two-dimensional mobile measurement frame, wherein the two-dimensional mobile measurement frame consists of two linear guide rails arranged along the Y direction and the Z direction of an automobile to be measured, the Z guide rail is fixedly arranged on a Y-direction mobile platform, and the probe is fixedly arranged on the Z-direction mobile platform of the two-dimensional mobile measurement frame; the back of the Z-shaped guide rail of the two-dimensional moving and measuring frame is provided with a supporting plate; the supporting plate is fixedly connected with the Y-direction guide rail and the Z-direction moving platform through screws; two flow field sliding rails are arranged at the bottom of the Y-direction guide rail of the two-dimensional moving and measuring frame along the X-direction, the flow field sliding rails are linear sliding rails, and the two-dimensional moving and measuring frame is connected with the flow field sliding rails through sliding blocks and moves on the flow field sliding rails; the flow field sliding rail is fixed on the wind tunnel floor through the base plate.
Preferably, the probe is a hole probe or a hole probe.
Preferably, the probe needle is arranged in the forward direction of the X direction, and the probe needle is positioned on the Y-direction plane of the front wheel or the rearview mirror of the automobile for flow field testing.
Preferably, the support plate body is connected with the Y-shaped guide rail, and the lower end of the support plate is provided with a bending flanging which is connected with the Z-shaped guide rail.
Preferably, the substrate is made of stainless steel.
Preferably, the X-direction graduated scale is arranged on the base plate, so that the positioning is accurate when the two-dimensional moving and measuring frame is manually pushed.
Preferably, the base plate is fixed on the wind tunnel floor by countersunk screws.
The utility model has the beneficial effects that:
1) The three-dimensional motion of the probe is realized by matching the two-dimensional moving and measuring frame with the flow field to the sliding rail, the structure is simple, the processing is easy, and the installation is convenient.
2) The sliding rail is adopted to move, the movement is stable, the positioning is convenient, the moving speed of the two-dimensional moving and measuring frame is high, and the measurement is more efficient.
3) The device has small whole volume and effectively reduces the influence of the device on the air flow.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
in the figure: 1-probe; 2-two-dimensional moving and measuring frames; 3-supporting plates; 4-a substrate; and 5-the flow field faces the sliding rail.
Detailed Description
For a better understanding of the improvements of the present utility model with respect to the prior art, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments.
As shown in FIG. 1, a semi-automatic three-dimensional movement measuring device for an automobile wind tunnel mainly comprises a probe 1 and a two-dimensional movement measuring frame 2.
The two-dimensional moving and measuring frame 2 consists of two linear guide rails arranged along the Y direction and the Z direction of the automobile to be measured. The Z-direction guide rail is fixedly arranged on the Y-direction moving platform, so that the Z-direction guide rail moves on the Y-direction guide rail. Meanwhile, the probe 1 is fixedly arranged on the Z-direction moving platform, so that the probe 2 moves on the Z-direction guide rail and cooperates with the Y-direction guide rail to complete the two-dimensional movement of the probe 1.
In order to ensure the strength and stability of the device structure, the two-dimensional moving and measuring frame 2 can still keep normal operation under the condition of high wind speed, namely the wind speed reaches 160km/h, and therefore, the back surface of the Z-shaped guide rail is provided with the supporting plate 3. The support plate 3 is fixedly connected with the Y-direction guide rail and the Z-direction moving platform through screws, wherein the support plate 3 body is connected with the Y-direction guide rail, and the lower end of the support plate 3 is provided with a bending flanging which is connected with the Z-direction guide rail.
In order to realize the three-dimensional movement of the probe 1, two flow field slide rails 5 are arranged at the bottom of the two-dimensional moving and measuring frame 2Y-direction guide rail along the X-direction, the flow field slide rails 5 are linear slide rails, the two-dimensional moving and measuring frame 2 is connected with the flow field slide rails 5 through sliding blocks, and the two-dimensional moving and measuring frame 2 moves on the flow field slide rails 5. The flow field is provided with a trapezoid groove matched with the sliding block on the sliding rail 5, and the flow field is convenient to disassemble and assemble while being connected and slid with the sliding block. The flow field guiding rail 5 is fixed on the wind tunnel floor through the base plate 4.
Preferably, the probe 1 is a 5-hole probe or a 14-hole probe, and is suitable for measuring the flow field distribution scene of the side area of the automobile at the side of the automobile. Meanwhile, the probe 1 needle is arranged in the forward direction of the pointing X, and the probe 1 needle is positioned on the Y-direction plane of the front wheel or the rearview mirror of the automobile for flow field testing.
Preferably, the base plate 4 is made of stainless steel, and the X-direction graduated scale is arranged on the base plate 4 to realize accurate positioning when the two-dimensional moving and measuring frame 2 is manually pushed.
Preferably, the base plate 4 is fixed to the wind tunnel floor by countersunk screws.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The utility model provides a semi-automatic three-dimensional mobile measurement device of car wind tunnel, includes probe (1) and two-dimensional moving and survey frame (2), two-dimensional moving and survey frame (2) are constituteed by two linear guide along await measuring car Y to, Z to the direction setting, wherein Z guide fixed mounting is on Y to moving platform, its characterized in that: the probe (1) is fixedly arranged on a Z-direction moving platform of the two-dimensional moving and measuring frame (2); the back of the Z-shaped guide rail of the two-dimensional moving and measuring frame (2) is provided with a supporting plate (3); the supporting plate (3) is fixedly connected with the Y-direction guide rail and the Z-direction moving platform through screws; two flow field direction sliding rails (5) are arranged at the bottom of the Y-shaped guide rail of the two-dimensional moving and measuring frame (2) along the X-direction, the flow field direction sliding rails (5) are linear sliding rails, the two-dimensional moving and measuring frame (2) is connected with the flow field direction sliding rails (5) through sliding blocks, and the two-dimensional moving and measuring frame (2) moves on the flow field direction sliding rails (5); the flow field sliding rail (5) is fixed on the wind tunnel floor through the base plate (4).
2. The automotive wind tunnel semiautomatic three-dimensional movement measurement device according to claim 1, wherein: the probe (1) is a 5-well probe or a 14-well probe.
3. The automotive wind tunnel semiautomatic three-dimensional movement measurement device according to claim 1, wherein: the probe (1) needle head is arranged forwards in the direction of X, and the probe (1) needle head is positioned on the Y-direction plane of the front wheel or the rearview mirror of the automobile for flow field test.
4. The automotive wind tunnel semiautomatic three-dimensional movement measurement device according to claim 1, wherein: the support plate (3) body is connected with the Y-shaped guide rail, and the lower end of the support plate (3) is provided with a bending flanging which is connected with the Z-shaped guide rail.
5. The automotive wind tunnel semiautomatic three-dimensional movement measurement device according to claim 1, wherein: the substrate (4) is made of stainless steel.
6. The automotive wind tunnel semiautomatic three-dimensional movement measurement device according to claim 1, wherein: the X-direction graduated scale is arranged on the base plate (4) to realize accurate positioning when the two-dimensional moving and measuring frame (2) is manually pushed.
7. The automotive wind tunnel semiautomatic three-dimensional movement measurement device according to claim 1, wherein: the base plate (4) is fixed on the wind tunnel floor through countersunk screws.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321987573.9U CN220230896U (en) | 2023-07-26 | 2023-07-26 | Semi-automatic three-dimensional movement measuring device of automobile wind tunnel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321987573.9U CN220230896U (en) | 2023-07-26 | 2023-07-26 | Semi-automatic three-dimensional movement measuring device of automobile wind tunnel |
Publications (1)
Publication Number | Publication Date |
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CN220230896U true CN220230896U (en) | 2023-12-22 |
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ID=89178869
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202321987573.9U Active CN220230896U (en) | 2023-07-26 | 2023-07-26 | Semi-automatic three-dimensional movement measuring device of automobile wind tunnel |
Country Status (1)
Country | Link |
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CN (1) | CN220230896U (en) |
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2023
- 2023-07-26 CN CN202321987573.9U patent/CN220230896U/en active Active
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