CN107478444A - A kind of body mode exciting device - Google Patents
A kind of body mode exciting device Download PDFInfo
- Publication number
- CN107478444A CN107478444A CN201710847423.0A CN201710847423A CN107478444A CN 107478444 A CN107478444 A CN 107478444A CN 201710847423 A CN201710847423 A CN 201710847423A CN 107478444 A CN107478444 A CN 107478444A
- Authority
- CN
- China
- Prior art keywords
- pole
- platform
- body mode
- carrying platform
- exciting device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The present invention provides a kind of body mode exciting device, including exciting agency and load carrier；The exciting agency includes vibrator, and the load carrier includes carrying platform and fixed platform, and the vibrator is arranged on the carrying platform；At least two supports are provided between the carrying platform and the fixed platform, each support is formed by the first pole and the second pole are be hinged, the first end of first pole is hinged with the carrying platform, and the second end and the fixed platform of first pole are slidably connected；The first end of second pole is hinged with the fixed platform；The carrying platform is installed with threaded rod, one end of the threaded rod is provided with rocking bar, and the other end of the threaded rod is connected jointly by connector with the second end of each second pole towards fixed block is provided with the face of the fixed platform on the fixed block.The body mode exciting device of the present invention has the advantages of height flexible adjustment is good.
Description
Technical field
The present invention relates to technical field of vehicle, more particularly to a kind of body mode exciting device.
Background technology
With the development of science and technology, automobile is gradually dissolved into daily life, requirement of the people to automotive performance
Also more and more higher, NVH (Noise, Vibration and Harshness, noise, vibration and sound vibration roughness) is that automotive performance is commented
The leading indicator of valency, it can be directly by consumers' perceptions.It is unreasonable and body mode is the major control index of auto NVH
Body mode can cause serious NVH problems.
In order to improve the performance of vehicle, the cost of later development is reduced, it is necessary to be carried out by exciting device to body mode
Test.Because the Position of Vibrating of different automobile types is different, it is necessary to be filled by increasing or reducing the quantity of backing plate to adjust exciting
The height put.It can be seen that there is the problem of height flexible adjustment difference in existing body mode exciting device.
The content of the invention
The present invention provides a kind of body mode exciting device, height regulation be present to solve existing body mode exciting device
The problem of very flexible.
In order to solve the above-mentioned technical problem, the present invention is realized in：
A kind of body mode exciting device, including exciting agency and load carrier；
The exciting agency includes vibrator and force snesor, and the force snesor is fixedly installed on the top of the vibrator
Portion, the force snesor are provided with the data wire being electrically connected with the force snesor；
The load carrier includes carrying platform and fixed platform, and the vibrator is arranged on the carrying platform；
Be provided with least two supports between the carrying platform and the fixed platform, each support by the first pole and
Second pole is be hinged to be formed, and first end and the carrying platform of first pole are hinged, the second end of first pole
It is slidably connected with the fixed platform；The first end of second pole is hinged with the fixed platform；
The carrying platform is installed with screw thread towards fixed block is provided with the face of the fixed platform on the fixed block
Bar, one end of the threaded rod are provided with rocking bar, the other end of the threaded rod pass through connector and each second pole the
Two ends connect jointly.
Optionally, the connector includes connecting rod, and the connecting rod is fixedly connected with the second end of each second pole,
The threaded rod is fixedly connected with the connecting rod.
Optionally, the connector also includes contiguous block, and the connecting rod and the threaded rod are through at the contiguous block
On.
Optionally, two supports, the both ends of the connecting rod are provided between the carrying platform and the fixed platform
The second end with two the second poles is fixedly connected respectively, and the contiguous block is arranged at the middle part of the connecting rod.
Optionally, the second end of first pole is provided with roller, and the second end of first pole passes through the rolling
Wheel contacts with the fixed platform.
Optionally, the second end of second pole is provided with roller, and the second end of second pole passes through the rolling
Wheel contacts with the carrying platform.
Optionally, the rocking bar stretches out the edge of the carrying platform.
Optionally, at least three rollers are provided with below the fixed platform.
Optionally, the fixed platform is additionally provided with least three suckers, at least three sucker by screwed pipe with
The fixed platform connection.
Optionally, the connector for fixing the vibrator is provided with the carrying platform.
The present invention between carrying platform and fixed platform by setting support, because support can be realized with the shake of rocking bar
Lifting or decline to carrying platform, so as to realize that the high flexible of vibrator is adjustable, it is seen then that body mode exciting of the invention
Device has the advantages of height flexible adjustment is good.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, needed for being described below to the embodiment of the present invention
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention,
For those of ordinary skill in the art, without having to pay creative labor, can also be obtained according to these accompanying drawings
Take other accompanying drawings.
Fig. 1 is the structural representation of body mode exciting device provided in an embodiment of the present invention；
Fig. 2 is the schematic diagram that body mode exciting device provided in an embodiment of the present invention carries out body mode experiment.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is part of the embodiment of the present invention, rather than whole embodiments.Based on this hair
Embodiment in bright, those of ordinary skill in the art's every other implementation acquired under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
As shown in figure 1, a kind of body mode exciting device, including exciting agency 1 and load carrier 2.
Exciting agency 1 includes vibrator 11 and force snesor 12, and force snesor 12 is fixedly installed on the top of vibrator 11,
Force snesor 12 is provided with the data wire 13 being electrically connected with force snesor 12.
Load carrier 2 includes carrying platform 21 and fixed platform 22, and vibrator 11 is arranged on carrying platform 21.
At least two supports 23 are provided between carrying platform 21 and fixed platform 22, wherein, two branch are shown in Fig. 1
The embodiment of frame 23, but two supports 23 are not limited to, can be three supports 23 or more supports 23.Due to two
Individual support 23 can be that carrying platform 21 and fixed platform 22 provide the support force stablized, from angle simple in construction, sheet
The embodiment of preferably two supports 23 of inventive embodiments.
Each support 23 is formed by the first pole 231 and the second pole 232 are be hinged, and the first end of the first pole 231 is with holding
Carrying platform 21 is be hinged, and the second end and the fixed platform 22 of the first pole 231 are slidably connected；The first end of second pole 232 is with consolidating
Fixed platform 22 is be hinged.
Carrying platform 21 is installed with threaded rod 25 towards fixed block 24 is provided with the face of fixed platform 22 on fixed block 24,
One end of threaded rod 25 is provided with rocking bar 251, the other end of threaded rod 25 pass through connector and each second pole 232 second
The common connection in end.
As shown in Fig. 2 Fig. 2 is to carry out showing for body mode experiment using the body mode exciting device of the embodiment of the present invention
It is intended to.
First, by vehicle body suspension in the air, vibrator 11 is placed on carrying platform 21, and whole body mode is swashed
Vibrating device is moved to vehicle body excitation point lower section.
Then, rocking bar 251 is shaken, carrying platform 21 is lifted to force snesor 12 and is contacted with vehicle body excitation point, you can opened
Beginning body mode is tested.
The vehicle body excitation point position shown in Fig. 2 is vehicle body left front girder, and force snesor 12 connects completely with longeron lower plane
Touch.The regulation of height can be carried out to the body mode exciting device of the present invention according to specific excitation point position.
In general, it is actuated to vertical excitation needed for testing body mode, that is to say, that vibrator 11 only needs to provide
Vertical exciting, therefore, vibrator 11 almost do not stress in a lateral direction.Based on this, vibrator 11 is if stable put
It is placed on carrying platform 21, then without vibrator 11 is fixed, i.e., carrying platform 21 need not pass through with vibrator 11 and be connected
Part is attached.
Optionally, the connector for fixing vibrator 11 is provided with carrying platform 21.
Although as it was previously stated, without vibrator 11 is fixed, in order to further improve when vibrator 11 works
Stability, in embodiment of the present invention, it can be provided for fixing the connector of vibrator 11, the connector on carrying platform 21
It can be bolt or neck, can also be baffle plate, etc., the embodiment of the present invention is not construed as limiting to this.In carrying platform
It is provided for fixing the connector of vibrator 11 on 21, the embodiment of the present invention can also be made not only to be adapted to, and body mode is vertical to swash
Encourage, may also adapt in body mode transversely excited.
Optionally, connector includes connecting rod 26, and connecting rod 26 is fixedly connected with the second end of each second pole 232,
Threaded rod 25 is fixedly connected with connecting rod 26.
In embodiment of the present invention, connector can be connecting rod 26, so, can be with each second by connecting rod 26
Second end of pole 232 is fixedly connected, and threaded rod 25 is fixedly connected with connecting rod 26.So, when shaking rocking bar 251, screw thread
Bar 25 can be movable along fixed block 24, and drives connecting rod 26 movable, so as to drive each second pole 232 jointly
The second end move forward and backward, realize the regulation of support height, and then realize the lifting or decline of carrying platform.
Optionally, connector also includes contiguous block 27, and connecting rod 26 and threaded rod 25 are through on contiguous block 27.
In embodiment of the present invention, in order that the connection between connecting rod 26 and threaded rod 25 is more stable, connector is also
Contiguous block 27 can be included, connecting rod 26 and threaded rod 25 are through on the contiguous block 27.The setting of contiguous block 27, the company of strengthening
The stability of extension bar 26 and threaded rod 25.
Optionally, two supports 23, the both ends difference of connecting rod 26 are provided between carrying platform 21 and fixed platform 22
It is fixedly connected with the second end of two the second poles 232, contiguous block 27 is arranged at the middle part of connecting rod 26.
When support 23 is two, the second end that the both ends of connecting rod 26 can be respectively with two the second poles 232 is fixed
Connection, so, contiguous block 27 can be arranged at the middle part of connecting rod 26, so that the stress of two the second poles 232 is more
Balance, improve the stability of support 23.
Optionally, the second end of the first pole 231 is provided with roller 28, and the second end of the first pole 231 passes through roller 28
Contacted with fixed platform 22.
As it was previously stated, the second end of the first pole 231 is to be slidably connected with fixed platform 22, in order to reduce the first pole
Frictional force of 231 the second end when being slided along fixed platform 22, in embodiment of the present invention, the second end of the first pole 231
Roller 28 can be set.So, not only make support 23 in height adjustment, make the first pole 231 along fixed platform 22
Slip is more smooth, can also reduce power required when shaking rocking bar 251.
Likewise, the second end of the second pole 232 can also set roller, so, the second end of the second pole 232 can be with
Contacted with carrying platform 21 by roller, to avoid repeating, this is not repeated.
Optionally, rocking bar 251 stretches out the edge of carrying platform 21.
Rocking bar 251 can stretch out the edge of carrying platform 21, and operation is more convenient when being advantageous to shake rocking bar 251.
Optionally, the lower section of fixed platform 22 is provided with least three rollers 28.
Further, roller 28 can be universal rolling wheel, the quantity of roller 28 preferably four.
By setting roller 28 below fixed platform 22 so that the body mode exciting device of the embodiment of the present invention is moving
It is more convenient when dynamic.
Optionally, fixed platform 22 is additionally provided with least three suckers 29, at least three suckers 29 by screwed pipe 291 with
Fixed platform 22 connects.
Further, the quantity of sucker 29 preferably four.
In embodiment of the present invention, sucker 29 is set below fixed platform 22, the absorption of sucker the last 29 can be utilized
Power, the body mode exciting device of the embodiment of the present invention is firmly fixed, the car of the embodiment of the present invention can be greatly improved
The earth-grasping force of body mode exciting device.
In use, first lifting sucker 29, raised specifically, realizing that sucker 29 is liftoff by rotated threaded tubular 291；Then
Body mode exciting device is pushed to vehicle body excitation point lower section；Finally by screwed pipe 291 is reversely rotated, fall sucker 29
And firmly adsorb on the ground；Finally, vibrator 11 is lifted by shaking rocking bar 251, force snesor 12 is encouraged point with vehicle body
Contact, you can start body mode experiment.
In summary understand, the body mode exciting device of the embodiment of the present invention has height flexible adjustment, movement convenient
And the advantages that fixation.
More than, it is only embodiment of the invention, but protection scope of the present invention is not limited thereto, and it is any to be familiar with
Those skilled in the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be covered
Within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (10)
1. a kind of body mode exciting device, it is characterised in that including exciting agency and load carrier；
The exciting agency includes vibrator and force snesor, and the force snesor is fixedly installed on the top of the vibrator,
The force snesor is provided with the data wire being electrically connected with the force snesor；
The load carrier includes carrying platform and fixed platform, and the vibrator is arranged on the carrying platform；
At least two supports are provided between the carrying platform and the fixed platform, each support is by the first pole and second
Pole is be hinged to be formed, and first end and the carrying platform of first pole are hinged, the second end of first pole and institute
Fixed platform is stated to be slidably connected；The first end of second pole is hinged with the fixed platform；
The carrying platform is installed with threaded rod, institute towards fixed block is provided with the face of the fixed platform on the fixed block
The one end for stating threaded rod is provided with rocking bar, and the other end of the threaded rod is total to by connector and the second end of each second pole
With connection.
2. body mode exciting device according to claim 1, it is characterised in that the connector includes connecting rod, institute
The second end that connecting rod is stated with each second pole is fixedly connected, and the threaded rod is fixedly connected with the connecting rod.
3. body mode exciting device according to claim 2, it is characterised in that the connector also includes contiguous block,
The connecting rod and the threaded rod are through on the contiguous block.
4. body mode exciting device according to claim 3, it is characterised in that the carrying platform and the fixation are put down
It is provided with two supports between platform, the second end of the both ends of the connecting rod respectively with two the second poles is fixedly connected, described
Contiguous block is arranged at the middle part of the connecting rod.
5. body mode exciting device according to any one of claim 1 to 4, it is characterised in that first pole
The second end be provided with roller, the second end of first pole is contacted by the roller with the fixed platform.
6. body mode exciting device according to any one of claim 1 to 4, it is characterised in that second pole
The second end be provided with roller, the second end of second pole is contacted by the roller with the carrying platform.
7. body mode exciting device according to any one of claim 1 to 4, it is characterised in that the rocking bar stretches out
The edge of the carrying platform.
8. body mode exciting device according to any one of claim 1 to 4, it is characterised in that the fixed platform
Lower section is provided with least three rollers.
9. body mode exciting device according to claim 8, it is characterised in that the fixed platform is additionally provided with least
Three suckers, at least three sucker are connected by screwed pipe with the fixed platform.
10. body mode exciting device according to any one of claim 1 to 4, it is characterised in that the carrying platform
On be provided with connector for fixing the vibrator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710847423.0A CN107478444A (en) | 2017-09-19 | 2017-09-19 | A kind of body mode exciting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710847423.0A CN107478444A (en) | 2017-09-19 | 2017-09-19 | A kind of body mode exciting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107478444A true CN107478444A (en) | 2017-12-15 |
Family
ID=60586897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710847423.0A Pending CN107478444A (en) | 2017-09-19 | 2017-09-19 | A kind of body mode exciting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107478444A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112710445A (en) * | 2020-12-17 | 2021-04-27 | 同济大学 | Simulation test bed of straddle type single-rail single-shaft bogie |
| CN113970416A (en) * | 2021-10-28 | 2022-01-25 | 中国地质大学（武汉） | Method for rapidly testing static human body dynamic characteristics by utilizing artificial rhythmic excitation |
| CN114030842A (en) * | 2021-11-19 | 2022-02-11 | 中国直升机设计研究所 | Excitation platform positioning and moving device |
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| CN106698251A (en) * | 2017-03-02 | 2017-05-24 | 李理 | Lifting device with height adjusting function |
| CN107140575A (en) * | 2017-07-12 | 2017-09-08 | 苏州道达信工程技术有限公司 | A kind of manual lead screw formula lift truck |
| CN207163721U (en) * | 2017-09-19 | 2018-03-30 | 北京汽车研究总院有限公司 | A kind of body mode exciting device |
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2017
- 2017-09-19 CN CN201710847423.0A patent/CN107478444A/en active Pending
Patent Citations (8)
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| CN204302009U (en) * | 2014-12-16 | 2015-04-29 | 北京汽车研究总院有限公司 | A kind of exciter support |
| CN205038032U (en) * | 2015-09-22 | 2016-02-17 | 华晨汽车集团控股有限公司 | Over -and -under type vibration exciter rack |
| CN105784302A (en) * | 2016-02-02 | 2016-07-20 | 华晨汽车集团控股有限公司 | Automobile modal testing apparatus and method |
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| CN106586387A (en) * | 2016-12-16 | 2017-04-26 | 昆明理工大学 | Lifting and moving device |
| CN106698251A (en) * | 2017-03-02 | 2017-05-24 | 李理 | Lifting device with height adjusting function |
| CN107140575A (en) * | 2017-07-12 | 2017-09-08 | 苏州道达信工程技术有限公司 | A kind of manual lead screw formula lift truck |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112710445A (en) * | 2020-12-17 | 2021-04-27 | 同济大学 | Simulation test bed of straddle type single-rail single-shaft bogie |
| CN113970416A (en) * | 2021-10-28 | 2022-01-25 | 中国地质大学（武汉） | Method for rapidly testing static human body dynamic characteristics by utilizing artificial rhythmic excitation |
| CN113970416B (en) * | 2021-10-28 | 2022-11-15 | 中国地质大学（武汉） | Method for rapidly testing static human body dynamic characteristics by utilizing artificial rhythmic excitation |
| CN114030842A (en) * | 2021-11-19 | 2022-02-11 | 中国直升机设计研究所 | Excitation platform positioning and moving device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171215 |