CN203069342U - Elastic die sheet vibration testing device with improved structure - Google Patents
Elastic die sheet vibration testing device with improved structure Download PDFInfo
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- CN203069342U CN203069342U CN 201220726040 CN201220726040U CN203069342U CN 203069342 U CN203069342 U CN 203069342U CN 201220726040 CN201220726040 CN 201220726040 CN 201220726040 U CN201220726040 U CN 201220726040U CN 203069342 U CN203069342 U CN 203069342U
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- vibration
- elastic sheet
- die sheet
- elastic die
- testing device
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Abstract
The utility model discloses an elastic die sheet vibration testing device with an improved structure. An elastic die sheet is a semispherical casing-shaped member. The relatively large end of the casing-shaped member is an open end. The testing device comprises a vibration generator; and a fixing mechanism for making the periphery of the elastic die sheet open end and the working table top of the vibration generator fixedly rigidly connected in an encircling manner. The elastic die sheet vibration testing device has a simple structure and is easy to operate. The elastic die sheet vibration testing device can perform vibration testing on the elastic die sheet while simulating the real working state of the elastic die sheet in a vivid way. The testing results are accurate. Meanwhile, the structures of test pieces will not be damaged.
Description
Technical field
The utility model relates to a kind of ambient vibration testing equipment, relates in particular to a kind of structure improved elastic sheet vibration-testing apparatus, belongs to the vibration test technical field.
Background technology
Among the assemblies such as fuel tank of space flight devices such as satellite, usually elastic sheet can be set at present, this kind elastic sheet generally is the semisphere shelly spare of being made by the material with elasticity and good complex performance.In fuel tank, be applied as example with it, consult Fig. 1 a, when not injecting fuel in the fuel tank, elastic sheet system fits substantially with the fuel tank upper inside wall, and when in the fuel tank and during filled with fuel, then consult Fig. 1 b, deformation can take place and fits substantially with the fuel tank lower inner wall under the extruding of fuel in elastic sheet; If the fuel in the fuel tank begins output, then the springform sector-meeting gradually complex and the fuel in the fuel tank is extruded substantially fully to recovering state shown in Fig. 1 a, realize taking full advantage of fuel.For guaranteeing that elastic sheet can have good stable performance, generally need carry out vibration-testing to it before using.At present generally be that local edge with the elastic sheet openend is clamped to and carries out vibration test (consulting Fig. 2) on the shaking table, but this mode has many shortcomings, for example: be not inconsistent substantially with practical situations, resonant frequency is on the low side, and then obtains untrue conclusion; And the elastic sheet local pressure is excessive, may cause the test specimen damage.
The utility model content
The utility model aims to provide a kind of structure improved elastic sheet vibration-testing apparatus, thereby overcomes deficiency of the prior art.
For realizing above-mentioned utility model purpose, the utility model has adopted following technical scheme:
A kind of structure improved elastic sheet vibration-testing apparatus, described elastic sheet be for having semisphere shelly spare, and a bigger end of described shell parts is openend, and this test macro comprises:
Vibration generating arrangement;
And, be used for work top with the circumference of described elastic sheet openend and described vibration generating arrangement around fixing rigidly connected fixed mechanism.
A kind of elastic sheet method for testing vibration comprises:
Elastic sheet is provided, and described elastic sheet is the shell parts with circular section, and a bigger end of described shell parts is openend;
With the circumference of described elastic sheet openend and a vibration generating arrangement around fixedly being rigidly connected; And,
The Vibration on Start-up generating means carries out vibration-testing.
Say that further described elastic sheet is semisphere shelly spare.
Described elastic sheet is fixedly set on the work top of vibration generating arrangement.
Described vibration generating arrangement comprises electric vibration table.
Described fixed mechanism has the clamp structure that cooperates with described elastic sheet openend.
Compared with prior art, advantage of the present utility model comprises: simple in structure, and easy operating, and can under height is really simulated the condition of elastic sheet actual working state, carry out vibration-testing to it, test result is accurate, and can not cause damage to the test specimen structure.
Description of drawings
Fig. 1 a-Fig. 1 b is respectively the synoptic diagram of the different application state of elastic sheet in fuel tank;
Fig. 2 is the view of elastic sheet when vibration-testing in the prior art;
Fig. 3 is the structural representation of structure improved elastic sheet vibration-testing apparatus in the utility model one preferred embodiment;
Description of reference numerals: 1-elastic sheet, 2-fuel tank, 3-fuel oil gateway, 4-fuel, the existing clamping device of 5-, 6-vibration generating arrangement, 7-fixed mechanism.
Embodiment
As an aspect of the present utility model, this case utility model people provides a kind of structure improved elastic sheet vibration-testing apparatus, it can realize the high true simulation to the elastic sheet actual working state, and then obtain to have the test result of high accuracy, thereby overcome defective of the prior art.
Followingly reach a preferred embodiment by reference to the accompanying drawings the technical solution of the utility model is further described.
Consult Fig. 3, this structure improved elastic sheet vibration-testing apparatus comprises:
Vibration generating arrangement 6;
And, be used for the circumference of described elastic sheet 1 openend and described vibration generating arrangement 6 around the fixed mechanism 7 of fixedlying connected.
Wherein, described elastic sheet 1 is tool semisphere shelly spare, and a bigger end of described shell parts is openend.
Particularly, described elastic sheet 1 is to be rigidly connected on the work top of vibration generating arrangement 6.
Described vibration generating arrangement 6 comprises electric vibration table, but all kinds of vibration rigs that also can adopt those skilled in the art to commonly see.
Corresponding test process can comprise:
With the circumference of described elastic sheet 1 openend and vibration generating arrangement 6 around fixedly being rigidly connected;
And Vibration on Start-up generating means 6 carries out vibration-testing.
As one of embodiment preferred comparatively, described fixed mechanism 7 has the clamp structure that cooperates with described elastic sheet 1 openend.
Above-described embodiment only is explanation technical conceive of the present utility model and characteristics; its purpose is to allow the personage who is familiar with this technology can understand content of the present utility model and enforcement according to this; can not limit protection domain of the present utility model with this; all equivalences of doing according to the utility model spirit essence change or revise, and all should be encompassed within the protection domain of the present utility model.
Claims (3)
1. structure improved elastic sheet vibration-testing apparatus, described elastic sheet is semisphere shelly spare, and a bigger end of described shell parts is openend, it is characterized in that, comprising:
Vibration generating arrangement;
And, be used for work top with the circumference of described elastic sheet openend and described vibration generating arrangement around fixing rigidly connected fixed mechanism.
2. structure improved elastic sheet vibration-testing apparatus according to claim 1 is characterized in that described vibration generating arrangement comprises electric vibration table.
3. structure improved elastic sheet vibration-testing apparatus according to claim 1 is characterized in that, described fixed mechanism has the clamp structure that cooperates with described elastic sheet openend.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220726040 CN203069342U (en) | 2012-12-25 | 2012-12-25 | Elastic die sheet vibration testing device with improved structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220726040 CN203069342U (en) | 2012-12-25 | 2012-12-25 | Elastic die sheet vibration testing device with improved structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203069342U true CN203069342U (en) | 2013-07-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220726040 Withdrawn - After Issue CN203069342U (en) | 2012-12-25 | 2012-12-25 | Elastic die sheet vibration testing device with improved structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203069342U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063387A (en) * | 2012-12-25 | 2013-04-24 | 苏州长菱测试技术有限公司 | System and method for vibration testing of elastic template |
-
2012
- 2012-12-25 CN CN 201220726040 patent/CN203069342U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063387A (en) * | 2012-12-25 | 2013-04-24 | 苏州长菱测试技术有限公司 | System and method for vibration testing of elastic template |
| CN103063387B (en) * | 2012-12-25 | 2015-11-18 | 苏州长菱测试技术有限公司 | The vibration test system of elastic sheet and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130717 Effective date of abandoning: 20151118 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |