CN204314040U - A kind of novel vibrating fixture for inlet manifold vibration test - Google Patents
A kind of novel vibrating fixture for inlet manifold vibration test Download PDFInfo
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- CN204314040U CN204314040U CN201420860758.8U CN201420860758U CN204314040U CN 204314040 U CN204314040 U CN 204314040U CN 201420860758 U CN201420860758 U CN 201420860758U CN 204314040 U CN204314040 U CN 204314040U
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- installing plate
- inlet manifold
- rebound
- plate
- vibration test
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- 238000012360 testing method Methods 0.000 title claims abstract description 34
- 230000008878 coupling Effects 0.000 claims abstract description 6
- 238000010168 coupling process Methods 0.000 claims abstract description 6
- 238000005859 coupling reaction Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 5
- 230000001413 cellular effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000002474 experimental method Methods 0.000 description 6
- 230000005284 excitation Effects 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 210000003850 cellular structure Anatomy 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010205 computational analysis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The utility model relates to a kind of novel vibrating fixture for inlet manifold vibration test, this vibration tong comprises setting rebound on a vibration table and the bearing plate be successively set on from top to bottom on rebound, first installing plate and the second installing plate, rebound is provided with pilot hole, set bolt is provided with in this pilot hole, rebound is fixedly connected with shaking table by set bolt, first installing plate is arranged on bearing plate, and be fixedly connected with rebound by bearing plate, second installing plate is fixed on the first installing plate by coupling bolt, first installing plate and the second installing plate are respectively equipped with the first fixed orifice matched with inlet manifold sample size, second fixed orifice, second installing plate is also provided with support installing seat.Compared with prior art, the utility model one-piece construction is simple, and compact, easy to process, cost of manufacture is low, can once clamp multiple sample, effectively improves the detection efficiency of vibration test, has good application prospect.
Description
Technical field
The utility model belongs to technical field of mechanical design, relates to a kind of vibration tong, especially relates to a kind of novel vibrating fixture for inlet manifold vibration test.
Background technology
Vibration tong is in order to exemplar is securely fixed on the work top of shaking table, and exemplar is passed in the vibration of vibration testing equipment, and its vibration direct relation the quality of exemplar product quality.But at present, the attention of people to test vibration tong importance is inadequate, especially at home, some testing crews only only rely on to be felt to design fixture, lacks necessary computational analysis, also do not do necessary vibration detection test during design.Vibration tong will be caused like this to there is mass defect, and such as, the vibration distortion of transmission is comparatively large, and on vibration tong, the vibration value of each point differs greatly, and namely uniformity coefficient is poor etc.Meanwhile, can there is multistage resonance in test frequency range, vibration control is very difficult, and even the material selection of some vibration tong is improper, and quality is excessive, causes energy consumption larger.
At present, China not yet makes the standard to vibration tong, only proposes some basic demands: 1) can easily be connected with vibration table and exemplar; 2) clamp weight is light as far as possible, because the weight of fixture directly affects the general assembly (TW) of vibrational system, affects the peak acceleration of shaking table; 3) easy to process, good manufacturability, low price; 4) design cycle is short; 5) rigidity of fixture will be got well, and occurs within the scope of the test frequency of exemplar without resonant frequency.But there is many technical matterss needing to improve in existing vibration tong.
Summary of the invention
The purpose of this utility model is exactly provide a kind of structure simple to overcome defect that above-mentioned prior art exists, can install the novel vibrating fixture for inlet manifold vibration test of several samples simultaneously.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of novel vibrating fixture for inlet manifold vibration test, this vibration tong comprises setting rebound on a vibration table and the bearing plate be successively set on from top to bottom on rebound, first installing plate and the second installing plate, described rebound is provided with pilot hole, set bolt is provided with in this pilot hole, described rebound is fixedly connected with shaking table by set bolt, the first described installing plate is arranged on bearing plate, and be fixedly connected with described rebound by bearing plate, the second described installing plate is fixed on the first installing plate by coupling bolt, the first described installing plate and the second installing plate are respectively equipped with the first fixed orifice matched with inlet manifold sample size, second fixed orifice, the second described installing plate is also provided with support installing seat.
The first described fixed orifice is provided with two groups altogether, lays respectively on the two sides, front and back of the first installing plate.
The second described installing plate comprises left installing plate and right installing plate, and described left installing plate and right installing plate are longitudinally symmetricly set on the left and right sides of the first installing plate.
Described left installing plate and right installing plate are respectively equipped with the inclination installed surface for installing inlet manifold sample.
The second described fixed orifice is provided with two groups altogether, lays respectively on the inclination installed surface of left installing plate, right installing plate.
The first described installing plate is mainly used in installing ground floor inlet manifold sample, can make, as far as possible real simulation actual motion state according to the installment state of actual vehicle.
The second described installing plate is mainly used in installing second layer inlet manifold sample, can install multiple inlet manifold sample, effectively can shorten experimental period, save experimental resources under the prerequisite ensureing vibration tong resonant frequency.
Described support installing seat comprises left socle mount pad and right support mount pad, and described left socle mount pad is arranged in the front end side wall of left installing plate, and described right support mount pad is arranged on the rear end sidewall of right installing plate.
Described support installing seat is mainly used in mounting bracket, can make according to the installation site of actual vehicle, and mounting bracket effectively can improve the resonant frequency of inlet manifold sample.
Described bearing plate is cellular bearing plate, and the top and bottom of this bearing plate are all fixedly connected with the first installing plate, rebound respectively by fastening bolt.
Described bearing plate is mainly used in connecting rebound and the first installing plate, can make according to the true altitude of inlet manifold sample, adopts cellular structure, then while guarantee rigidity, can alleviate the general assembly (TW) of vibration tong self.
Described rebound is mainly used in connecting vibration tong and vibration table surface, can make the rebound of different size, can be applicable to the shaking table of different size according to different table tops.
The first described installing plate, the second installing plate and support installing seat all adopt alumina based material to be prepared from.
Described rebound and bearing plate adopt alumina based material to be prepared from.
The utility model vibration tong is in concrete use procedure, and within the scope of whole test frequency, Frequency Response is smooth, and first natural frequency higher than the highest test frequency, and should avoid the resonance coupling that vibration tong and sample occur; Vibration tong will be tried one's best consistent with the response of each tie point on sample joint face, the homogeneity of excitation input during to guarantee to test; The rigidity mass ratio of vibration tong is enough large; The damping of vibration tong wants large, and during fixture resonance (first natural frequency), its quality (amplification) factor Q is not more than 4; The quality of vibration tong is 2 ~ 4 times of sample gross mass, or the weight of vibration tong is close to the weight of vibration table surface; Fixture transverse movement (referring to perpendicular to direction of excitation) is little; Waveform distortion is little, and before fixture first natural frequency, waveform distortion is not more than 25%, afterwards, is not more than 60%.
When using the utility model vibration tong to carry out vibration test, when three direction experiment conditions are consistent, when doing horizontal direction experiment, be X, the experiment of Y both direction simultaneously.
Compared with prior art, the utility model has following characteristics:
1) the first installing plate is combined with the second installing plate, makes a vibration tong several samples can be installed simultaneously, for carrying out vibration test to sample, effectively can shorten experimental period, save experimental resources;
2) adopt the bearing plate of cellular structure, while guarantee rigidity, the general assembly (TW) of vibration tong self can be alleviated;
3) support installing seat is set on the second installing plate, can mounting bracket be used for, effectively can improve the resonant frequency of sample;
4) vibration tong aluminium material is prepared from, and while meeting material stiffness, can reduce the general assembly (TW) of self, thus reduces energy consumption, and reduces the impact on shaking table peak acceleration;
5) one-piece construction is simple, compact, easy to process, good manufacturability, and cost of manufacture is low, and practicality is good, and can once clamp multiple sample, effectively improves the detection efficiency of vibration test, has good application prospect.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of novel vibrating fixture for inlet manifold vibration test of the utility model;
Description of symbols in figure:
1-rebound, 2-bearing plate, the 3-the first installing plate, 4-left installing plate, 5-right installing plate, 6-left socle mount pad, 7-right support mount pad.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Embodiment:
As shown in Figure 1, a kind of novel vibrating fixture for inlet manifold vibration test, this vibration tong comprises setting rebound 1 on a vibration table and the bearing plate 2 be successively set on from top to bottom on rebound 1, first installing plate 3 and the second installing plate, rebound 1 is provided with pilot hole, set bolt is provided with in this pilot hole, rebound 1 is fixedly connected with shaking table by set bolt, first installing plate 3 is arranged on bearing plate 2, and be fixedly connected with rebound 1 by bearing plate 2, second installing plate is fixed on the first installing plate 3 by coupling bolt, first installing plate 3 and the second installing plate are respectively equipped with the first fixed orifice matched with inlet manifold sample size, second fixed orifice, second installing plate is also provided with support installing seat.
Wherein, the first fixed orifice is provided with two groups altogether, lays respectively on the two sides, front and back of the first installing plate 3.
Second installing plate comprises left installing plate 4 and right installing plate 5, and left installing plate 4 and right installing plate 5 are longitudinally symmetricly set on the left and right sides of the first installing plate 3; Left installing plate 4 and right installing plate 5 are respectively equipped with the inclination installed surface for installing inlet manifold sample; Second fixed orifice is provided with two groups altogether, lays respectively on the inclination installed surface of left installing plate 4, right installing plate 5.First installing plate 3 is mainly used in installing ground floor inlet manifold sample, can make, as far as possible real simulation actual motion state according to the installment state of actual vehicle; Second installing plate is mainly used in installing second layer inlet manifold sample, can install multiple inlet manifold sample, effectively can shorten experimental period, save experimental resources under the prerequisite ensureing vibration tong resonant frequency.
Support installing seat comprises left socle mount pad 6 and right support mount pad 7, and left socle mount pad 6 is arranged in the front end side wall of left installing plate 4, and right support mount pad 7 is arranged on the rear end sidewall of right installing plate 5.Support installing seat is mainly used in mounting bracket, can make according to the installation site of actual vehicle, and mounting bracket effectively can improve the resonant frequency of inlet manifold sample.
Bearing plate 2 is cellular bearing plate, and the top and bottom of this bearing plate 2 are all fixedly connected with the first installing plate 3, rebound 1 respectively by fastening bolt; Bearing plate 2 is mainly used in connecting rebound 1 and the first installing plate 3, can make according to the true altitude of inlet manifold sample, adopts cellular structure, then while guarantee rigidity, can alleviate the general assembly (TW) of vibration tong self.
Rebound 1 is mainly used in connecting vibration tong and vibration table surface, can make the rebound 1 of different size, can be applicable to the shaking table of different size according to different table tops.
In the present embodiment, rebound, bearing plate, the first installing plate, the second installing plate and support installing seat all adopt alumina based material to be prepared from.
The present embodiment vibration tong is in concrete use procedure, and within the scope of whole test frequency, Frequency Response is smooth, and first natural frequency higher than the highest test frequency, and should avoid the resonance coupling that vibration tong and sample occur; Vibration tong will be tried one's best consistent with the response of each tie point on sample joint face, the homogeneity of excitation input during to guarantee to test; The rigidity mass ratio of vibration tong is enough large; The damping of vibration tong wants large, and during fixture resonance (first natural frequency), its quality (amplification) factor Q is not more than 4; The quality of vibration tong is 2 ~ 4 times of sample gross mass, or the weight of vibration tong is close to the weight of vibration table surface; Fixture transverse movement (referring to perpendicular to direction of excitation) is little; Waveform distortion is little, and before fixture first natural frequency, waveform distortion is not more than 25%, afterwards, is not more than 60%.
When using the present embodiment vibration tong to carry out vibration test, when three direction experiment conditions are consistent, when doing horizontal direction experiment, be X, the experiment of Y both direction simultaneously.
Claims (9)
1. the novel vibrating fixture for inlet manifold vibration test, it is characterized in that, this vibration tong comprises setting rebound on a vibration table and the bearing plate be successively set on from top to bottom on rebound, first installing plate and the second installing plate, described rebound is provided with pilot hole, set bolt is provided with in this pilot hole, described rebound is fixedly connected with shaking table by set bolt, the first described installing plate is arranged on bearing plate, and be fixedly connected with described rebound by bearing plate, the second described installing plate is fixed on the first installing plate by coupling bolt, the first described installing plate and the second installing plate are respectively equipped with the first fixed orifice matched with inlet manifold sample size, second fixed orifice, the second described installing plate is also provided with support installing seat.
2. a kind of novel vibrating fixture for inlet manifold vibration test according to claim 1, it is characterized in that, the first described fixed orifice is provided with two groups altogether, lays respectively on the two sides, front and back of the first installing plate.
3. a kind of novel vibrating fixture for inlet manifold vibration test according to claim 1, it is characterized in that, the second described installing plate comprises left installing plate and right installing plate, and described left installing plate and right installing plate are longitudinally symmetricly set on the left and right sides of the first installing plate.
4. a kind of novel vibrating fixture for inlet manifold vibration test according to claim 3, is characterized in that, described left installing plate and right installing plate is respectively equipped with the inclination installed surface for installing inlet manifold sample.
5. a kind of novel vibrating fixture for inlet manifold vibration test according to claim 1 or 4, it is characterized in that, the second described fixed orifice is provided with two groups altogether, lays respectively on the inclination installed surface of left installing plate, right installing plate.
6. a kind of novel vibrating fixture for inlet manifold vibration test according to claim 1 or 3, it is characterized in that, described support installing seat comprises left socle mount pad and right support mount pad, described left socle mount pad is arranged in the front end side wall of left installing plate, and described right support mount pad is arranged on the rear end sidewall of right installing plate.
7. a kind of novel vibrating fixture for inlet manifold vibration test according to claim 1, it is characterized in that, described bearing plate is cellular bearing plate, and the top and bottom of this bearing plate are all fixedly connected with the first installing plate, rebound respectively by fastening bolt.
8. a kind of novel vibrating fixture for inlet manifold vibration test according to claim 1, it is characterized in that, the first described installing plate, the second installing plate and support installing seat all adopt alumina based material to be prepared from.
9. a kind of novel vibrating fixture for inlet manifold vibration test according to claim 1, it is characterized in that, described rebound and bearing plate adopt alumina based material to be prepared from.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420860758.8U CN204314040U (en) | 2014-12-26 | 2014-12-26 | A kind of novel vibrating fixture for inlet manifold vibration test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420860758.8U CN204314040U (en) | 2014-12-26 | 2014-12-26 | A kind of novel vibrating fixture for inlet manifold vibration test |
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| Publication Number | Publication Date |
|---|---|
| CN204314040U true CN204314040U (en) | 2015-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420860758.8U Expired - Fee Related CN204314040U (en) | 2014-12-26 | 2014-12-26 | A kind of novel vibrating fixture for inlet manifold vibration test |
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| Country | Link |
|---|---|
| CN (1) | CN204314040U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112595477A (en) * | 2020-11-09 | 2021-04-02 | 中国航空工业集团公司沈阳飞机设计研究所 | Excitation clamping device for arc-shaped air inlet pipe vibration test |
-
2014
- 2014-12-26 CN CN201420860758.8U patent/CN204314040U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112595477A (en) * | 2020-11-09 | 2021-04-02 | 中国航空工业集团公司沈阳飞机设计研究所 | Excitation clamping device for arc-shaped air inlet pipe vibration test |
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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: 20150506 Termination date: 20171226 |