CN207881915U - Automobile Static stiffness test bracket - Google Patents
Automobile Static stiffness test bracket Download PDFInfo
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- CN207881915U CN207881915U CN201820348311.0U CN201820348311U CN207881915U CN 207881915 U CN207881915 U CN 207881915U CN 201820348311 U CN201820348311 U CN 201820348311U CN 207881915 U CN207881915 U CN 207881915U
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- vehicle body
- support component
- bracket
- static stiffness
- columns
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Abstract
The utility model discloses a kind of automobile Static stiffness test brackets, including front support component, rear support component and middle support component, wherein, front support component includes pedestal, middle bracket and two columns, middle bracket is fixed on pedestal, two columns are fixed in middle bracket, and two columns are used to support the preceding damping tower mounting hole of vehicle body.Rear support component includes two support columns, and two support columns are used to support the rear damping tower mounting hole of vehicle body.Middle support component includes cross bar and two upright bars, and the both ends of cross bar are fixedly connected with one end of two upright bars respectively.When experiment, front support component, rear support component and middle support component are placed on test platform, then vehicle body is placed on the test bracket, specifically, column is inserted in the preceding damping tower mounting hole of vehicle body, support column is inserted in the rear damping tower mounting hole of vehicle body, then the position placement sensor yielding in vehicle body, and sensor is fixed in middle support component, the entirety of vehicle body can be detected at this time.
Description
Technical field
The utility model is related to automobile technical field more particularly to a kind of automobile Static stiffness test brackets.
Background technology
Most of coachbuilt body uses full-bearing type structure, this structure type largely to meet structure at present
The lightweight requirements of design, monocoque body almost carry the various load during car use, including bending load and
Torsional load etc., under the action of load, the stiffness characteristics of vehicle body are particularly important.The stiffness characteristics of white body have reacted vehicle body and have held
The ability for carrying bending and torsional load, is the embodiment of white body overall performance.NVH performances in car critical index and vehicle
Body stiffness characteristics are closely related, and reliability, safety and control stability, power performance and the economy performance and vehicle body are quiet just
It spends relevant.
If white body rigidity Design is unreasonable, when vehicle body is by extraneous vibration source (such as engine, road surface) excitation, meeting
The bending and twisting vibration of vehicle body entirety are generated, while part sheet metal component can also be caused to generate local vibration, to generate vehicle
Interior noise.Also, body distortion can be bigger in use vehicle, especially the critical components such as column, doorframe, window frame
Deform it is excessive, may cause door lock deformation, interior trim fall off, vehicle leakproofness be deteriorated etc., seriously affect automotive quality, even make
Use safety.
Therefore, the verification experimental verification of white body Static stiffness is particularly necessary, reasonably controls the Static stiffness of white body, avoids generating
Resonance can preferably improve the internal car noise generated by body structure, the safety for improving automotive quality and using.
Existing technology is mostly the verification experimental verification to the local stiffness of vehicle body, and whole verification is not carried out to vehicle body
Mode, therefore current holder is also for used in local test, when needing progress vehicle body integrally to be verified, there do not have to be suitable
Holder use, therefore, it is necessary to develop the holder that vehicle body integrally carries out Static stiffness experiment.
Utility model content
The purpose of this utility model is to provide a kind of automobile Static stiffness test brackets, are vehicle body to solve the above problems
Static stiffness experiment provides support, and guarantee test is normally carried out, and ensures that test accuracy is accurate.
Automobile Static stiffness test bracket provided by the utility model, including：
Front support component, including pedestal, middle bracket and two columns, the middle bracket are fixed on the pedestal, and two
The column is fixed in the middle bracket, and two columns are for being plugged in the preceding damping tower mounting hole of vehicle body；
Rear support component, including two support columns, two support columns are for being plugged in the rear damping tower mounting hole of vehicle body；
Middle support component, including cross bar and two upright bars, the one end of the both ends of the cross bar respectively with two upright bars are fixed
Connection, the cross bar are used to support the sensor of detection vehicle body.
Automobile Static stiffness test bracket as described above, wherein preferably, the pedestal mass bottom plate, two risers and
Two fixed plates, two risers are both secured on the same side end face of the bottom plate, and are formed with receiving between two risers
Space；
Two fixed plates are both secured on the same side end face of the bottom plate, and two fixed plates respectively with described in two
The opposite side of riser is fixed；
The middle bracket is set in the accommodation space, and the middle bracket and the bottom plate and two fixations
The one end of plate far from the bottom plate is fixedly connected.
Automobile Static stiffness test bracket as described above, wherein preferably, the middle bracket is isosceles triangle frame
Frame, the apex angle of the middle bracket are fixedly connected with the bottom plate, the both sides on the bottom edge of the middle bracket respectively with described in two
The one end of fixed plate far from the bottom plate is fixedly connected；
Two columns are fixed on the bottom edge of the middle bracket, and are extended to the direction far from the pedestal.
Automobile Static stiffness test bracket as described above, wherein preferably, reinforcement is provided in the middle bracket
Bar.
Automobile Static stiffness test bracket as described above, wherein preferably, support is provided on two support columns
Disk.
Automobile Static stiffness test bracket as described above, wherein preferably, the one end of the upright bar far from the cross bar
It is provided with supporting block.
Automobile Static stiffness test bracket as described above, wherein preferably, between the column and the middle bracket
It is provided with link block, card slot is provided on the link block；
The bottom of the column is provided with connecting plate, and perforation is provided on the connecting plate, and the perforation is reserved with opening,
The opening both sides are each provided with a clamping portion；
The connecting plate is sleeved on by the perforation on the link block, and two clamping portions are connected in the card slot.
Automobile Static stiffness test bracket as described above, wherein preferably, the column is telescopic structure.
Automobile Static stiffness test bracket as described above, wherein preferably, the support column is telescopic structure.
Automobile Static stiffness test bracket provided by the utility model, including front support component, rear support component and middle support
Component, wherein front support component includes that pedestal, middle bracket and two columns, middle bracket are fixed on pedestal, and two columns are fixed
In in middle bracket, two columns are used to support the preceding damping tower mounting hole of vehicle body.Rear support component includes two support columns, two supports
Column is used to support the rear damping tower mounting hole of vehicle body.Middle support component includes cross bar and two upright bars, and the both ends of cross bar are respectively with two
One end of upright bar is fixedly connected.When experiment, front support component, rear support component and middle support component are placed in test platform
On, then vehicle body is placed on the test bracket, specifically, column is inserted in the preceding damping tower mounting hole of vehicle body, will be propped up
Dagger is inserted in the rear damping tower mounting hole of vehicle body, then the position placement sensor yielding in vehicle body, and sensor is consolidated
It is scheduled in support component.The entirety of vehicle body can be detected at this time, it, cannot when solving vehicle body and integrally being tested
The problem of effectively being supported, and the holder of this kind of structure, stable structure, therefore can ensure good test accuracy, it keeps away
Exempting from holder shaking causes measurement result error occur.
Description of the drawings
Fig. 1 is the automobile Static stiffness test bracket structural schematic diagram that the utility model embodiment provides.
Reference sign：
10- front support component 11- pedestal 111- bottom plate 112- risers
113- fixed plate 12- middle bracket 121- bracing piece 13- columns
Support component 31- upright bars in 20- support column 21- support plates 30-
311- supporting block 32- cross bar 33- link block 331- card slot 34- connecting plates
40- test platform 50- vehicle bodies
Specific implementation mode
The embodiments of the present invention are described below in detail, the example of embodiment is shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the utility model, and cannot be construed to limitations of the present invention.
The automobile Static stiffness test bracket that the utility model embodiment provides, including front support component 10, rear support component
With middle support component 30.
Wherein, the front support component 10 includes pedestal 11, middle bracket 12 and two columns 13, and the middle bracket 12 is solid
Due on the pedestal 11, two columns 13 are fixed in the middle bracket 12, and two columns 13 are for being plugged in vehicle
In the preceding damping tower mounting hole of body 50.Pedestal 11 is used to provide for front support component 10 and support and middle bracket 12 is support vehicle body
The important component of 50 front, column 13 are balanced for keeping.
Rear support component includes two support columns 20, and two support columns 20 are used to be plugged in the rear damping tower installation of vehicle body 50
Kong Zhong.Support column 20 is used to support 50 rear portion of vehicle body, and 50 rear portion of vehicle body is kept to balance each other with front.
Middle support component 30 includes cross bar 32 and two upright bars 31, the both ends of the cross bar 32 respectively with two upright bars 31
One end is fixedly connected.Middle support component 30 is for fixing and supporting each sensor, in order to test vehicle body 50.
When experiment, front support component 10, rear support component and middle support component 30 are placed on test platform 40, then
Vehicle body 50 is placed on the test bracket, specifically, column 13 is inserted in the preceding damping tower mounting hole of vehicle body 50, will be supported
Column 20 is inserted in the rear damping tower mounting hole of vehicle body 50, it should be noted that front support component 10 and rear support component are by vehicle body
When 50 supports are completed, vehicle body 50 need to keep horizontality.Then the position placement sensor yielding in vehicle body 50, and will sensing
Device is fixed in middle support component 30.The entirety of vehicle body 50 can be detected at this time, solve the whole progress of vehicle body 50
When experiment, the problem of cannot effectively be supported, and the holder of this kind of structure, stable structure, therefore can ensure good
Test accuracy avoids holder shaking that measurement result is caused error occur.
As shown in Figure 1, in one embodiment, the multiple sensors of same distance arrangement are spaced on cross bar 32, so as to
It is detected in the different location to vehicle body, consequently facilitating worker is quickly found out deformation position, facilitates and carry out subsequent maintenance operation,
Improve working efficiency.
It is highly preferred that being provided with link block 33 between column 13 and middle bracket 12, link block 33 is I-shaped, and middle part is set
It is equipped with card slot 331, the bottom of column 13 is provided with connecting plate 34, and perforation is provided on the connecting plate 34, and perforation is reserved with opening,
Opening both sides are each provided with a clamping portion, and when connection, connecting plate 34 is sleeved on by the perforation on link block 33, and two clamping portions
It is then connected in the card slot 331 of link block 33, the fasteners such as bolt can be used to fix the two later.Due to different automobile types
The distance between damping tower mounting hole differs before two, and the setting of link block 33 and connecting plate 34, vertical convenient for quickly adjustment two
The distance between column 13 so that the holder can be suitable for different automobile types, improve applicability, saved cost.
Due to needing to keep vehicle body 50 horizontal during experiment, it is therefore desirable to adjust front support component 10 and rear support component
Height, it is preferable that can by adjusting column 13 height to which vehicle body 50 is kept horizontal, column 13 can specifically be set
It is set to extension type, more specifically, it is two sections that can be divided to column 13, including first segment and second segment, wherein first segment can be with
It is set in second segment, and is disposed radially perforation in first segment and second segment, when adjusting height, first segment can be existed
It moves up and down in second segment, after the completion of adjustment, is inserted into first segment and the corresponding perforation of second segment using positioning pin, to by the
One section is fixed with second segment.
In another embodiment, can by adjusting upright bar 31 height to which vehicle body 50 is kept horizontal, specifically
Upright bar 31 can be set to extension type, more specifically, column 13 can be set to include epimere and hypomere, wherein epimere
It is threadedly coupled with hypomere, height adjustment can be realized by screwing.
It is of course also possible to column 13 and upright bar 31 are disposed as extension type simultaneously, to adjust 13 He of column simultaneously
The height of upright bar 31, to achieve the purpose that quickly to adjust vehicle body 50 to level.
Specifically, 11 mass bottom plate 111 of the pedestal, two risers 112 and two fixed plates 113, two risers 112 are solid
Due on the same side end face of the bottom plate 111, and accommodation space is formed between two risers 112；Two fixed plates
113 are both secured on the same side end face of the bottom plate 111, and two fixed plates 113 are opposite with two risers 112 respectively
Side fix；The middle bracket 12 is set in the accommodation space, and the middle bracket 12 and the bottom plate 111 and
Two one end of the fixed plate 113 far from the bottom plate 111 are fixedly connected.
In use, pedestal 11 is used to provide support for entire front support component 10, and since bottom plate 111 is surface plate
Shape, therefore when it is set on test platform 40, stability is preferable.And two risers 112 form the space for accommodating middle bracket 12,
Middle bracket 12 is accommodated wherein, total intensity is increased, mainly middle bracket 12 is fixed for fixed plate 113.
Preferably, middle bracket 12 is isosceles triangle frame, and the apex angle of the middle bracket 12 is solid with the bottom plate 111
The both sides of fixed connection, the bottom edge of the middle bracket 12 are solid with two one end of the fixed plate 113 far from the bottom plate 111 respectively
Fixed connection；Two columns 13 are fixed on the bottom edge of the middle bracket 12, and are extended to the direction far from the pedestal 11,
The structural stability of triangle is stronger, while can save processing material requested.Preferably, it is provided in the middle bracket 12
Bracing piece 121, bracing piece 121 can further increase structural strength.
For ease of support and held stationary, support plate 21 is provided on two support columns 20, the upright bar 31 is far from described
One end of cross bar 32 is provided with supporting block 311.It is understood that support plate 21 and supporting block 311 with 40 face of test platform
Face contacts.And, it is preferable that for the ease of processing, above-mentioned supporting block 311 is rectangular block.
The structure, feature and effect of the utility model are described in detail based on the embodiments shown in the drawings, with
Upper is only the preferred embodiment of the utility model, but the utility model is not to limit practical range shown in drawing, every according to this
Change made by the conception of utility model, or be revised as the equivalent embodiment of equivalent variations, still without departing from specification and diagram institute
When the spirit covered, it should be within the protection scope of the present utility model.
Claims (9)
1. a kind of automobile Static stiffness test bracket, which is characterized in that including：
Front support component, including pedestal, middle bracket and two columns, the middle bracket is fixed on the pedestal, described in two
Column is fixed in the middle bracket, and two columns are for being plugged in the preceding damping tower mounting hole of vehicle body；
Rear support component, including two support columns, two support columns are for being plugged in the rear damping tower mounting hole of vehicle body；
The both ends of middle support component, including cross bar and two upright bars, the cross bar are fixedly connected with one end of two upright bars respectively,
The cross bar is used to support the sensor of detection vehicle body.
2. automobile Static stiffness test bracket according to claim 1, which is characterized in that the pedestal mass bottom plate, two stand
Plate and two fixed plates, two risers are both secured on the same side end face of the bottom plate, and are formed between two risers
Accommodation space；
Two fixed plates are both secured on the same side end face of the bottom plate, and two fixed plates respectively with two risers
Opposite side is fixed；
The middle bracket is set in the accommodation space, and the middle bracket is remote with the bottom plate and two fixed plates
One end from the bottom plate is fixedly connected.
3. automobile Static stiffness test bracket according to claim 2, which is characterized in that the middle bracket is isoceles triangle
Shape frame, the apex angle of the middle bracket are fixedly connected with the bottom plate, and the both sides on the bottom edge of the middle bracket are respectively with two
The one end of the fixed plate far from the bottom plate is fixedly connected；
Two columns are fixed on the bottom edge of the middle bracket, and are extended to the direction far from the pedestal.
4. automobile Static stiffness test bracket according to claim 3, which is characterized in that be provided with and add in the middle bracket
Strong bar.
5. automobile Static stiffness test bracket according to claim 1, which is characterized in that be provided with branch on two support columns
Support plate.
6. automobile Static stiffness test bracket according to claim 1, which is characterized in that the upright bar is far from the cross bar
One end is provided with supporting block.
7. automobile Static stiffness test bracket according to any one of claim 1 to 6, which is characterized in that the column with
It is provided with link block between the middle bracket, card slot is provided on the link block；
The bottom of the column is provided with connecting plate, perforation is provided on the connecting plate, the perforation is reserved with opening, described
Opening both sides are each provided with a clamping portion；
The connecting plate is sleeved on by the perforation on the link block, and two clamping portions are connected in the card slot.
8. automobile Static stiffness test bracket according to any one of claim 1 to 6, which is characterized in that the column is
Telescopic structure.
9. automobile Static stiffness test bracket according to any one of claim 1 to 6, which is characterized in that the support column
For telescopic structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820348311.0U CN207881915U (en) | 2018-03-14 | 2018-03-14 | Automobile Static stiffness test bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820348311.0U CN207881915U (en) | 2018-03-14 | 2018-03-14 | Automobile Static stiffness test bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207881915U true CN207881915U (en) | 2018-09-18 |
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ID=63497074
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820348311.0U Active CN207881915U (en) | 2018-03-14 | 2018-03-14 | Automobile Static stiffness test bracket |
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|---|---|
| CN (1) | CN207881915U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112414652A (en) * | 2020-11-30 | 2021-02-26 | 东风汽车集团有限公司 | Efficient high-precision white car body static rigidity measurement system and test method |
-
2018
- 2018-03-14 CN CN201820348311.0U patent/CN207881915U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112414652A (en) * | 2020-11-30 | 2021-02-26 | 东风汽车集团有限公司 | Efficient high-precision white car body static rigidity measurement system and test method |
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