CN206161265U - Three shaft vibration test device of non -contact - Google Patents
Three shaft vibration test device of non -contact Download PDFInfo
- Publication number
- CN206161265U CN206161265U CN201621216516.0U CN201621216516U CN206161265U CN 206161265 U CN206161265 U CN 206161265U CN 201621216516 U CN201621216516 U CN 201621216516U CN 206161265 U CN206161265 U CN 206161265U
- Authority
- CN
- China
- Prior art keywords
- chamber
- exciting electromagnet
- exciting
- proof box
- electromagnet
- 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.)
- Expired - Fee Related
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model discloses a three shaft vibration test device of non -contact, the device include testing system base, proof box, excitation electromagnetism iron group and supplementary suspension. The testpieces is installed in the proof box and is carried out the trim for the whole barycenter of proof box is located its geometric centre department, the proof box is whole puts through assisting the suspension to make it be in quiet power balanced state and lie in vibration central point, through electric magnetic force realization non -contact three shaft vibration s of proof box with the relative three excitation electromagnetism iron group that sets up of the three orthogonal direction of testing system base, avoided the reliance to the decoupling zero device, be applicable to broadband vibration control.
Description
Technical field
The utility model is related to vibration test, more particularly to a kind of contactless three-axle vibration testing device.
Background technology
The vibration environment that space flight and aviation product is experienced in its life cycle management is extremely complex, and the vibration that product is subject to swashs
Encourage and be generally simultaneously from multiple directions, conventional vibration test often adopts single shaft vibration testing method, in three axis directions point
It is not independent to apply the load-up condition of regulation, or only carry out responding the single shaft vibration test in maximum direction, experimental condition is carried out
It is appropriate to strengthen, Approximate Equivalent three-axis vibration test is come with this.Such method had both been likely to result in overtesting, and some events may be made again
Barrier pattern cannot be completely exposed, and to the environmental suitability and reliability assessment of product larger difficulty is brought.
The restriction of the technical merit that is put to the test, ground environment test cannot completely true analog equipment working condition, most often
The multi-dimensional vibration test method seen is three-axis vibration test method, using three traditional electric vibration tables along tri- orthogonal sides of XYZ
To layout, decoupled using motion of the decoupling device to three directions.In this way, the complicated motion solution of design is needed
Coupling device, causes high-frequency range vibration transmissibility undesirable.
Utility model content
The purpose of this utility model is that and provide a kind of contactless three-axle vibration test in order to solve the above problems
Device.
The utility model is achieved through the following technical solutions above-mentioned purpose：
A kind of contactless three-axle vibration testing device, including pilot system pedestal, chamber, exciting electromagnet group and auxiliary
Suspension, the chamber is helped to be fixedly connected with the pilot system pedestal by the assisted suspension system, the exciting
Electromagnet group includes exciting electromagnet I and exciting electromagnet II, and the exciting electromagnet I is fixed with the lateral surface of the chamber
Connection, the exciting electromagnet II is oppositely arranged with the exciting electromagnet I, and the exciting electromagnet I and exciting electricity
Gap is provided between magnet II, the exciting electromagnet II is fixedly connected with the pilot system pedestal.
Specifically, the chamber is hollow, rectangular case, and three exciting electromagnet groups are separately positioned on the test
On three orthogonal sides of case, the axis direction of three exciting electromagnet groups with the geometric center weight of the chamber
Close.
Specifically, the assisted suspension system includes eight suspension lines, the first end of eight suspension lines respectively with institute
Eight summits for stating chamber are fixedly connected, and the second end of eight suspension lines is fixed with the pilot system pedestal connect respectively
Connect.
The beneficial effects of the utility model are：
A kind of contactless three-axle vibration testing device of the utility model is by exciting electromagnet group and assisted suspension system
Cooperation, realize the contactless three-axle vibration test of testpieces, it is to avoid dependence to decoupling device, it is adaptable to which broadband is shaken
Dynamic control.
Description of the drawings
Fig. 1 is a kind of structural representation of contactless three-axle vibration testing device described in the utility model.
Specific embodiment
Below in conjunction with the accompanying drawings the utility model is described in further detail：
As shown in figure 1, a kind of contactless three-axle vibration testing device of the utility model, including pilot system pedestal, examination
Tryoff 1, exciting electromagnet group and assisted suspension system 4, chamber 1 is fixed by assisted suspension system with pilot system pedestal,
Exciting electromagnet group includes exciting electromagnet I 2 and exciting electromagnet II 3, and exciting electromagnet I 2 is fixed with the lateral surface of chamber 1
Connection, exciting electromagnet II 3 is oppositely arranged with exciting electromagnet I 2, and sets between exciting electromagnet I 2 and exciting electromagnet II 3
Be equipped with gap, exciting electromagnet II 3 is fixedly connected with pilot system pedestal, chamber 1 be hollow, rectangular case, three exciting electromagnetism
Iron group is uniformly arranged on respectively on three orthogonal sides of chamber 1, the axis direction of three exciting electromagnet groups with test
The geometric center of case 1 overlaps, and assisted suspension system includes eight suspension lines, the first end of eight suspension lines respectively with chamber 1
Eight summits be fixedly connected, the second end of eight suspension lines is fixedly connected respectively with pilot system pedestal.
Be provided with the various test elements such as fixture, sensor for vibration test in chamber 1, and be additionally provided with for
The servicing units such as the balancing weight of the barycenter of trim chamber 1.
By assisted suspension system 4, the gravity of chamber 1 and test element can be offset so as in standing balance
State, carry out contactless three-axle vibration test under this kind of state, it is to avoid traditional three-axis vibration test apparatus are due to rigidity
Connection and to the dependence of decoupling device.
It is just right by two, and non-contacting exciting electromagnet I 2 and exciting electromagnet II 3, and repelled each other according to the same sex and different
Property attracting principle so as to interact and produce vibration.
Its test method is as follows：
(1) testpieces is installed in chamber 1, and testpieces is fixed in chamber 1 by test fixture, and led to
Cross balancing weight carries out trim to chamber 1 so that the overall barycenter of chamber 1 is located at the geometric center of chamber 1；
(2) chamber 1 is hung on the centre of oscillation position of pilot system, and so that three by assisted suspension system 4
The axis direction of exciting electromagnet group is through the geometric center of chamber 1；
(3) according to experimental condition, controller sends control signal, is input into drive signal after power amplifier amplifies
Into exciting electromagnet group, producing electromagnetic force carries out exciting；
Exciting electromagnet group on (4) three orthogonal directions works simultaneously, realizes contactless three-axle vibration test.
The technical solution of the utility model is not limited to the restriction of above-mentioned specific embodiment, every according to skill of the present utility model
The technology deformation that art scheme is made, each falls within protection domain of the present utility model.
Claims (3)
1. a kind of contactless three-axle vibration testing device, it is characterised in that：Including pilot system pedestal, chamber, exciting electricity
Group of magnets and assisted suspension system, the chamber is fixed with the pilot system pedestal by the assisted suspension system and connected
Connect, the exciting electromagnet group includes exciting electromagnet I and exciting electromagnet II, the exciting electromagnet I and the chamber
Lateral surface be fixedly connected, the exciting electromagnet II is oppositely arranged with the exciting electromagnet I, and the exciting electromagnet I
Gap is provided between the exciting electromagnet II, the exciting electromagnet II is fixedly connected with the pilot system pedestal.
2. a kind of contactless three-axle vibration testing device according to claim 1, it is characterised in that：The chamber is
Hollow, rectangular case, three exciting electromagnet groups are uniformly arranged on respectively on three orthogonal sides of the chamber, three
The axis direction of the exciting electromagnet group overlaps with the geometric center of the chamber.
3. a kind of contactless three-axle vibration testing device according to claim 1, it is characterised in that：The assisted suspension
System includes eight suspension lines, and the first end of eight suspension lines is fixedly connected respectively with eight summits of the chamber,
Second end of eight suspension lines is fixedly connected respectively with the pilot system pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621216516.0U CN206161265U (en) | 2016-11-11 | 2016-11-11 | Three shaft vibration test device of non -contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621216516.0U CN206161265U (en) | 2016-11-11 | 2016-11-11 | Three shaft vibration test device of non -contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206161265U true CN206161265U (en) | 2017-05-10 |
Family
ID=58658241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621216516.0U Expired - Fee Related CN206161265U (en) | 2016-11-11 | 2016-11-11 | Three shaft vibration test device of non -contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206161265U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106568567A (en) * | 2016-11-11 | 2017-04-19 | 中国工程物理研究院总体工程研究所 | Non-contact three-axial vibration test device and test method thereof |
| CN115014683A (en) * | 2022-08-09 | 2022-09-06 | 太原理工大学 | Three-component standard vibration table based on magnetic suspension decoupling device |
-
2016
- 2016-11-11 CN CN201621216516.0U patent/CN206161265U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106568567A (en) * | 2016-11-11 | 2017-04-19 | 中国工程物理研究院总体工程研究所 | Non-contact three-axial vibration test device and test method thereof |
| CN115014683A (en) * | 2022-08-09 | 2022-09-06 | 太原理工大学 | Three-component standard vibration table based on magnetic suspension decoupling device |
| CN115014683B (en) * | 2022-08-09 | 2022-11-11 | 太原理工大学 | Three-component standard vibration table based on magnetic suspension decoupling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20170510 Termination date: 20191111 |