CN204479307U - A kind of vehicle tire noise test bracket - Google Patents
A kind of vehicle tire noise test bracket Download PDFInfo
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- CN204479307U CN204479307U CN201520169335.6U CN201520169335U CN204479307U CN 204479307 U CN204479307 U CN 204479307U CN 201520169335 U CN201520169335 U CN 201520169335U CN 204479307 U CN204479307 U CN 204479307U
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- bar
- hollow tube
- vehicle tire
- test bracket
- tire noise
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Abstract
The utility model provides a kind of vehicle tire noise test bracket, belongs to automobile technical field.It solve the technical matters such as vehicle tire noise test bracket stability and modulability difference in prior art.This vehicle tire noise test bracket comprises bar one and bar two, and the upper end of bar one is detachably connected on car body, and the lower end of bar one is provided with microphone mount pad, and mount pad to be connected on bar one and can to slide axially along bar one; The left end of bar two is detachably connected on car body, and the right-hand member of bar two and the middle part of bar one are connected.The utility model king-rod one and bar two have tie point, and bar one and bar two respectively have a tie point with car body respectively, and such three tie points form triangle, and syndeton is stablized, and in test process, microphone can not offset, and stability is high; Bar one and the dismountable connected mode of bar two are applicable to different automobile, and the mount pad position of microphone is adjustable, can adjust the height of microphone like this, is suitable for dissimilar automobile, highly versatile.
Description
Technical field
The utility model belongs to Automobile Measuring Techniques field, relates to a kind of vehicle tire noise test bracket.
Background technology
Along with the development gradually of automobile industry, the requirement of people to car mass is more and more higher, the comfortableness of automobile more and more becomes the emphasis of people's concern, and driving or noise size when riding in an automobile in automobile directly can have influence on the comfort of people, simultaneously automobile noise also can have an impact to the resident of road periphery, so the NVH performance of automobile can as an important test index.When high speed travels, it is all the more obvious that doughnut and earth surface can produce noise, and tyre noise is larger, and NVH performance is poorer; Noise is less, and NVH performance is better.In the NVH performance optimization process of vehicle, NVH slip-stick artist can test the tyre noise of vehicle, the scope making tyre noise reach desirable by various prioritization scheme.
In the experimentation of making an uproar test for tire, just need the microphone apparatus mounting bracket that a kind of tyre noise is tested.
China's patent (CN 201904896U) discloses a kind of microphone holder of the fixing microphone for testing tire noise.It comprises microphone erecting frame, also comprise microphone connecting link, one end of microphone erecting frame is fixedly connected on microphone connecting link, microphone connecting link by the stop means be fixed on vehicle body, be fixed on shaft collar on wheel load and support bar is formed, support bar is connected with shaft collar, and the upper end of support bar is connected with stop means.Microphone is arranged on microphone erecting frame, and this microphone erecting frame is vertically fixed on microphone and connects on pavilion.
The microphone holder that above-mentioned patent provides, microphone erecting frame is fixed on one end of a connecting link, and steadiness is poor, and the adjustability of its height and angle is not high, and when being transformed into different kinds of tyre, different car body, it installs also inconvenient simultaneously.
Summary of the invention
The problems referred to above that the utility model exists for existing technology, provide a kind of vehicle tire noise test bracket, technical problem to be solved in the utility model is: the adjustability and the stability that how to improve vehicle tire noise test bracket.
The purpose of this utility model realizes by following technical proposal:
A kind of vehicle tire noise test bracket, it is characterized in that, described test bracket comprises bar one and bar two, the upper end of described bar one is detachably connected on car body, the lower end of described bar one is provided with the mount pad for installing microphone, and described mount pad to be connected on described bar one and can to slide axially along described bar one; The left end of described bar two is detachably connected on car body, and the right-hand member of described bar two and the middle part of described bar one are connected.
Its principle is as follows: for testing the tyre noise of the automobile in motion after this test bracket installation microphone, it is by the vertical bar one that is connected and bar two is dismountable is connected on car body, bar one and bar two have tie point, bar one and bar two respectively have a tie point with car body respectively, such three tie points form triangle, syndeton is stablized, and in test process, microphone can not offset, and stability is high.Dismountable connected mode is applicable to many different automobiles, and the mount pad position of microphone is adjustable, can adjust the height of microphone like this, is suitable for dissimilar automobile, highly versatile.
In above-mentioned a kind of vehicle tire noise test bracket, preferably, the upper end of described bar one is provided with sucker one, and described sucker one front is the cavity of indent, described sucker one back side is installed with installed cassette one, and the upper end thereof of described bar one is on described installed cassette one; The left end of described bar two is provided with sucker two, and described sucker two front is the cavity of indent, and described sucker two back side is installed with installed cassette two, and the left end of described bar two is hinged on described installed cassette two.Fix bar one and bar two by the atmosphere negative pressure of sucker one and sucker two, install simple, for convenience detach, clean hygiene, bar one and bar two are hinged on the setting angle that installed cassette one and installed cassette two can adjust microphone respectively, and versatility is high.
In above-mentioned a kind of vehicle tire noise test bracket, preferably, described bar one comprises hollow tube and solid hopkinson bar, the upper end of described solid hopkinson bar to be plugged in described hollow tube and can to slide axially along described hollow tube one, described hollow tube is also provided with the keeper that solid tubes can be fixed in hollow tube, described mount pad is connected on described solid hopkinson bar.Bar one in the technical program can stretch, hollow tube inner sleeve has solid hopkinson bar, solid hopkinson bar can move axially along hollow tube in hollow tube, after the relative position of hollow tube and solid hopkinson bar has adjusted, is clamped by keeper, it is kept no longer to slide, thus complete the adjustment of bar one height, and because mount pad is connected on solid hopkinson bar, the installation site of adjustment microphone that just can be wider further, adapt to different automobile types, reach best test effect as required.
In above-mentioned a kind of vehicle tire noise test bracket, described keeper is included in the screw be spirally connected in screw and screw that hollow tube sidewall is offered, and the inner of described screw can be resisted against on the outer wall of described solid tubes.After hollow tube and hollow stem adjust position as required, tightening screw, pushes against relative with hollow stem for hollow tube, completes fastener cycle, thus adjust the installation site of microphone.Very easy to use.
In above-mentioned a kind of vehicle tire noise test bracket, alternatively, described bar one comprises hollow tube and solid hopkinson bar, internal thread is provided with in described hollow tube, external thread is provided with outside described solid hopkinson bar, described solid hopkinson bar to be plugged in from hollow tube lower end in hollow tube and to be spirally connected with described hollow tube, and described mount pad is connected on described solid hopkinson bar.By the mode be spirally connected can be convenient complete position fixing process, regulate convenient.
In above-mentioned a kind of vehicle tire noise test bracket, described bar one and bar two all adopt aluminum alloy material to make.Bar one and bar two adopt aluminum alloy material, and the light intensity of its quality is good, reliability and durability, and the diameter of bar one and bar two can control in certain scope, and the wind reducing the generation that bar one and bar two moves in high speed is made an uproar, thus the precision of raising experimental data.
Compared with prior art, advantage of the present utility model is as follows:
1, this test bracket king-rod one and bar two have tie point, and bar one and bar two respectively have a tie point with car body respectively, and such three tie points form triangle, and syndeton is stablized, and in test process, microphone can not offset, and stability is high.
2, this test bracket king-rod one and the dismountable connected mode of bar two are applicable to many different automobiles, and the mount pad position of microphone is adjustable, can adjust the height of microphone like this, is suitable for dissimilar automobile, highly versatile.
Accompanying drawing explanation
Fig. 1 is this device perspective view.
Fig. 2 is that this device faces structural representation.
Fig. 3 is the right TV structure schematic diagram of this device in embodiment one.
Fig. 4 is that embodiment two devices look up structural representation.
In figure, 1, bar one; 11, hollow tube; 12, solid hopkinson bar; 2, bar two; 3, sucker one; 4, sucker two; 5, installed cassette one; 6, installed cassette two; 7, mount pad; 8, keeper; 81, screw; 82, screw; 9, car body.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
Embodiment one
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, this vehicle tire noise test bracket comprises bar 1 and bar 22, bar 1 and bar 22 all adopt aluminum alloy material to make, the upper end of bar 1 is provided with sucker 1, sucker 1 front is the cavity of indent, sucker 1 back side is installed with installed cassette 1, and the upper end thereof of bar 1 is on installed cassette 1; The left end of bar 22 is provided with sucker 24, sucker 24 front is the cavity of indent, and sucker 24 back side is installed with installed cassette 26, and the left end of bar 22 is hinged on installed cassette 26, the lower end of bar 1 is provided with microphone mount pad 7, and mount pad 7 to be connected on bar 1 and can to slide axially along bar 1; The right-hand member of bar 22 and the middle part of bar 1 are connected.
Bar 1 comprises hollow tube 11 and solid hopkinson bar 12, the upper end of solid hopkinson bar 12 to be plugged in hollow tube 11 and can to slide axially along hollow tube 11 1, hollow tube 11 is also provided with the keeper 8 that solid tubes can be fixed in hollow tube 11, keeper 8 is included in the screw 82 be spirally connected in screw 81 and screw 81 that hollow tube 11 sidewall is offered, the inner of screw 82 can be resisted against on the outer wall of solid tubes, and mount pad 7 is connected on solid hopkinson bar 12.Bar 1 in the technical program can stretch, hollow tube 11 inner sleeve has solid hopkinson bar 12, solid hopkinson bar 12 can move axially along hollow tube 11 in hollow tube 11, after the relative position of hollow tube 11 and solid hopkinson bar 12 has adjusted, tightening screw 82, push against relative with hollow stem for hollow tube 11, complete fastener cycle, it is kept no longer to slide, thus complete the adjustment of bar 1 height, namely the installation site of microphone is adjusted, very easy to use, because mount pad 7 is connected on solid hopkinson bar 12, the installation site of adjustment microphone that just can be wider further, adapt to different automobile types, reach best test effect as required.
For testing the tyre noise of the automobile in motion after this test bracket installation microphone, vertical connected bar 1 and bar 22 are fixed on car body 9 by the atmosphere negative pressure of sucker 1 and sucker 24, install simple, for convenience detach, clean hygiene, bar 1 and bar 22 are hinged on the setting angle that installed cassette 1 and installed cassette 26 can adjust microphone respectively, versatility is high, bar 1 and bar 22 have tie point, bar 1 and bar 22 respectively have such three tie points of tie point to form triangle respectively with car body 9, syndeton is stablized, in test process, microphone can not offset, stability is high.Dismountable connected mode is applicable to many different automobiles, and mount pad 7 position of microphone is adjustable, can adjust the height of microphone like this, be suitable for dissimilar automobile, highly versatile.
Embodiment two
The present embodiment is roughly the same with embodiment one, difference is, the present embodiment king-rod 1 comprises hollow tube 11 and solid hopkinson bar 12, internal thread is provided with in hollow tube 11, external thread is provided with outside solid hopkinson bar 12, solid hopkinson bar 12 to be plugged in from hollow tube 11 lower end in hollow tube 11 and to be spirally connected with hollow tube 11, and mount pad 7 is connected on solid hopkinson bar 12.By the mode be spirally connected can be convenient complete position fixing process, regulate convenient.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (6)
1. a vehicle tire noise test bracket, it is characterized in that, described test bracket comprises bar one (1) and bar two (2), the upper end of described bar one (1) is detachably connected on car body (9), the lower end of described bar one (1) is provided with the mount pad (7) for installing microphone, and described mount pad (7) is connected to described bar one (1) and goes up and can slide axially along described bar one (1); The left end of described bar two (2) is detachably connected on car body (9), and the right-hand member of described bar two (2) and the middle part of described bar one (1) are connected.
2. a kind of vehicle tire noise test bracket according to claim 1, it is characterized in that, the upper end of described bar one (1) is provided with sucker one (3), described sucker one (3) front is the cavity of indent, described sucker one (3) back side is installed with installed cassette one (5), and the upper end thereof of described bar one (1) is on described installed cassette one (5); The left end of described bar two (2) is provided with sucker two (4), described sucker two (4) front is the cavity of indent, described sucker two (4) back side is installed with installed cassette two (6), and the left end of described bar two (2) is hinged on described installed cassette two (6).
3. a kind of vehicle tire noise test bracket according to claim 1 and 2, it is characterized in that, described bar one (1) comprises hollow tube (11) and solid hopkinson bar (12), the upper end of described solid hopkinson bar (12) to be plugged in described hollow tube (11) and can to slide axially along described hollow tube (11), described hollow tube (11) is also provided with the keeper (8) that solid tubes can be fixed in hollow tube (11), described mount pad (7) is connected on described solid hopkinson bar (12).
4. a kind of vehicle tire noise test bracket according to claim 3, it is characterized in that, described keeper (8) is included in the screw (82) be spirally connected in screw (81) and screw (81) that hollow tube (11) sidewall is offered, and the inner of described screw (82) can be resisted against on the outer wall of described solid tubes.
5. a kind of vehicle tire noise test bracket according to claim 1 and 2, it is characterized in that, described bar one (1) comprises hollow tube (11) and solid hopkinson bar (12), described hollow tube is provided with internal thread in (11), described solid hopkinson bar is provided with external thread outside (12), described solid hopkinson bar (12) to be plugged in from hollow tube (11) lower end in hollow tube (11) and to be spirally connected with described hollow tube (11), and described mount pad (7) is connected on described solid hopkinson bar (12).
6. a kind of vehicle tire noise test bracket according to claim 1 and 2, is characterized in that, described bar one (1) and bar two (2) all adopt aluminum alloy material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520169335.6U CN204479307U (en) | 2015-03-25 | 2015-03-25 | A kind of vehicle tire noise test bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520169335.6U CN204479307U (en) | 2015-03-25 | 2015-03-25 | A kind of vehicle tire noise test bracket |
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| Publication Number | Publication Date |
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| CN204479307U true CN204479307U (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520169335.6U Expired - Fee Related CN204479307U (en) | 2015-03-25 | 2015-03-25 | A kind of vehicle tire noise test bracket |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106872018A (en) * | 2017-01-10 | 2017-06-20 | 吉利汽车研究院（宁波）有限公司 | For the acoustic matrix array apparatus of vehicle testing tire noise power level |
| CN109141621A (en) * | 2018-07-16 | 2019-01-04 | 上海空间推进研究所 | A kind of wheel near field noise test fixture |
| CN110307998A (en) * | 2019-08-02 | 2019-10-08 | 中国汽车工程研究院股份有限公司 | Motor vehicle emergency safety device test of blowing out with high speed breaks device of tyre and method |
| CN112461359A (en) * | 2020-12-17 | 2021-03-09 | 安徽江淮汽车集团股份有限公司 | Mounting structure and noise testing device |
-
2015
- 2015-03-25 CN CN201520169335.6U patent/CN204479307U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106872018A (en) * | 2017-01-10 | 2017-06-20 | 吉利汽车研究院（宁波）有限公司 | For the acoustic matrix array apparatus of vehicle testing tire noise power level |
| CN106872018B (en) * | 2017-01-10 | 2019-08-30 | 吉利汽车研究院（宁波）有限公司 | Acoustic matrix array apparatus for vehicle testing tire noise power grade |
| CN109141621A (en) * | 2018-07-16 | 2019-01-04 | 上海空间推进研究所 | A kind of wheel near field noise test fixture |
| CN110307998A (en) * | 2019-08-02 | 2019-10-08 | 中国汽车工程研究院股份有限公司 | Motor vehicle emergency safety device test of blowing out with high speed breaks device of tyre and method |
| CN112461359A (en) * | 2020-12-17 | 2021-03-09 | 安徽江淮汽车集团股份有限公司 | Mounting structure and noise testing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150715 Termination date: 20200325 |