CN106338374A - Vibration impact test fixture - Google Patents
Vibration impact test fixture Download PDFInfo
- Publication number
- CN106338374A CN106338374A CN201610837529.8A CN201610837529A CN106338374A CN 106338374 A CN106338374 A CN 106338374A CN 201610837529 A CN201610837529 A CN 201610837529A CN 106338374 A CN106338374 A CN 106338374A
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- CN
- China
- Prior art keywords
- fixture
- vibration
- product
- test
- vibration impact
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- 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
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/027—Specimen mounting arrangements, e.g. table head adapters
-
- 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
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/06—Multidirectional test stands
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to the technical field of vibration impact test equipment and provides a vibration impact test fixture which comprises a fixture body which comprises at least two fixture mounting surfaces and two production installation surfaces. The production installation surfaces are provided with connection pieces for fixing a product, and the two production installation surfaces are fixed to a vibration test platform through fasteners. Since the device is provided with multiple installation surfaces, the installation and test of multiple products can be carried out through replacing different connection pieces. Through arranging the multiple fixture installation surfaces, each direction of the product can be tested, and the vibration impact tests of multiple products can be carried out at the same time. The test time and cost are greatly saved, and the efficiency is improved. About 10 minutes are needed in one time of changing a direction. The vibration force transfer of the vibration fixture is reasonable, and the quality of the vibration test is improved. The removal of the test product is not needed in changing a direction, and thus the probability of the man-made damage of the product is greatly reduced.
Description
Technical field
The present invention relates to vibratory impulse testing experiment equipment technical field, more particularly, to a kind of vibration impact experiment fixture.
Background technology
It is arranged on equipment on aerospace craft, securing member etc. during rocket launching lift-off, can be subject to whole arrow
The random vibration causing to air drag and flame acceleration, accordingly, it would be desirable to the large number quipments on aerospace craft, fastening
Part etc. carries out vibratory impulse test, with the structural fatigue intensity of apparatus for checking, that is, whether can be because of the use ring actual by simulation
Border and cause fatigue failure or damage.
In order to realize the requirement to vibratory impulse for the product in laboratory, usual technical staff can design corresponding fixture and come
Become test, by fixture, test products are fixed on testing stand, and practice operation is realizing the environment of vibratory impulse.Existing
Have in technology, vibration tong demand is big, need to carry out design fixture according to different shape of products, size, intensity etc., lead to shake
Dynamic test cost up.In a direction vibration completing test product, need to change next measurement direction, change every time
During measurement direction, the demolition, installation of product and the wiring of product are required for taking a significant amount of time, and take around 1-2 hour, and every
During secondary replacing direction, all it is particularly easy to lead to the artificial damage of the abrasion of product appearance or attachment screw screw thread.
Furthermore, it is understood that if because vibration test leads to the damage of product, related personnel can be carried out to product
Follow-up improvement, this also exactly one of purpose of vibration impact experiment.But if after being dismounted for multiple times, occur in that artificial damage
Bad, related personnel may be judged by accident to the damage of product it is believed that being the damage that vibration impact experiment causes, then goes to be changed
Enter, undoubtedly waste substantial amounts of time, money and resource；And the test carrying out before is required for be zeroed, again again
Tested, greatly be increased experimentation cost.
Content of the invention
It is an object of the invention to overcoming the shortcomings of above-mentioned technology, and providing a kind of vibration impact experiment fixture, solving existing
There are vibration impact experiment high cost, the time-consuming, problem of easy artificial damage.
The present invention for achieving the above object, employs the following technical solutions:
A kind of vibration impact experiment fixture it is characterised in that: include jig main body, described jig main body includes at least two
Fixture installed surface and two product installed surfaces, described two product installed surface upper bands have the connector for fixing product, institute
State two fixture installed surfaces to fix with vibration mechine by securing member.
Preferably, described jig main body is hollow square body.
Preferably, described jig main body has three fixture installed surfaces, and described three fixture installed surfaces are mutually perpendicular to two-by-two,
Each fixture installed surface is all detachably mounted on vibration test table top.
Preferably, described product installed surface is two, is mutually orthogonal to one another.
Preferably, described three fixture installed surfaces carry fixing hole.
Preferably, the quantity of the fixing hole on each fixture installed surface is four, square arrangement setting.
The invention has the beneficial effects as follows: with respect to prior art, because this device arranges multiple product installed surfaces, by more
Change installation and the test that different connectors can carry out multiple product.By arranging multiple fixture installed surfaces, can be to product
All directions tested, also can carry out the vibration impact experiment of more than one piece product simultaneously.Greatly save test period and
Expense, improves efficiency.The time changing a direction only needs 10 minutes about；The vibration force transmission of vibration tong rationally, carries
The high quality of vibration test；Do not need when changing direction to dismantle test products, therefore product by the probability of artificial damage significantly
Reduce.
Brief description
Accompanying drawing 1 is the axonometric chart of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings and preferred embodiment describe in detail the present invention specific embodiment.As shown in Figure 1, a kind of
Vibration impact experiment fixture, including jig main body 1, described jig main body includes at least two fixture installed surfaces 2 and two products
Product installed surface 3, described two product installed surface upper bands have the connector 4 for fixing product, and described two fixture installed surfaces lead to
Cross securing member to fix with vibration mechine.Described securing member can be selected for bolt and nut and fixes it is also possible to select other quickly to fix
Structure.Described jig main body is hollow square body, and in the present invention, described jig main body has three fixture installed surfaces, institute
State three fixture installed surfaces to be mutually perpendicular to two-by-two, each fixture installed surface is all detachably mounted on vibration test table top.Institute
State product installed surface and be two, be mutually orthogonal to one another.
For the ease of being arranged on jig main body on vibration mechine, heretofore described three fixture installed surfaces carry
Fixing hole 5.The quantity of the fixing hole on each fixture installed surface is four, square arrangement setting.Bolt passes through fixing hole
Jig main body is fixed on vibration mechine.
Accompanying drawing 1 is the equipment on certain model aerospace craft, and this equipment passes through the product installed surface use of connector and fixture
Four Screw fixed installations.The product of different directions, on another one product installed surface, can also be installed simultaneously, realize many
Part product vibrates (the vibration test condition in each direction is identical) simultaneously.Vibratory impulse platform table top is logical with the connection of jig main body
Cross four screws matching with vibratory impulse platform table top installing hole to install, it is not necessary to tear open after the completion of the test in a direction
Unload product it is only necessary to four screws being connected with vibratory impulse platform table top of dismounting, then turnover fixture main body, tighten described in
Four screws, that is, complete and change orienting task, not only simple save time again, and one just can complete.Three installed surfaces are good
Ensure that the installation direction demand of most of vibration impact experiment, can on the vertical of vibration table or level are to a direction
To complete testpieces all of test direction it is not necessary to son of falling from power, save the substantial amounts of time.
The main body of the fixture of the present invention is square, and 5 faces (three fixture installed surfaces, two product installed surfaces) adopt
Length of side 300mm, the steel of thickness 10mm, both can ensure that vibration force transmits the weight mitigating fixture it is also possible to as far as possible.
The above is only the preferred embodiment of the present invention it is noted that ordinary skill people for the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (6)
1. a kind of vibration impact experiment fixture it is characterised in that: include jig main body, described jig main body includes at least two folders
Tool installed surface and two product installed surfaces, described two product installed surface upper bands have the connector for fixing product, described
Two fixture installed surfaces are fixed with vibration mechine by securing member.
2. vibration impact experiment fixture according to claim 1 it is characterised in that: described jig main body be hollow square
Body.
3. vibration impact experiment fixture according to claim 2 it is characterised in that: described jig main body has three fixtures
Installed surface, described three fixture installed surfaces are mutually perpendicular to two-by-two, and each fixture installed surface is all detachably mounted to vibration test
On table top.
4. vibration impact experiment fixture according to claim 3 it is characterised in that: described product installed surface be two, that
This is mutually perpendicular to.
5. the vibration impact experiment fixture according to claim 3 or 4 it is characterised in that: on described three fixture installed surfaces
With fixing hole.
6. vibration impact experiment fixture according to claim 5 it is characterised in that: the fixing hole on each fixture installed surface
Quantity be four, square arrangement setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610837529.8A CN106338374A (en) | 2016-09-20 | 2016-09-20 | Vibration impact test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610837529.8A CN106338374A (en) | 2016-09-20 | 2016-09-20 | Vibration impact test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106338374A true CN106338374A (en) | 2017-01-18 |
Family
ID=57840237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610837529.8A Pending CN106338374A (en) | 2016-09-20 | 2016-09-20 | Vibration impact test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106338374A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106885673A (en) * | 2017-04-24 | 2017-06-23 | 中国电子产品可靠性与环境试验研究所 | Servomotor vibration impact experiment device |
| CN108827572A (en) * | 2018-07-31 | 2018-11-16 | 天津航天瑞莱科技有限公司 | A kind of vibration impact experiment fixture of more part combination body products |
| CN110595715A (en) * | 2019-10-21 | 2019-12-20 | 西安近代化学研究所 | Fuel gas generator environmental test clamping device |
| CN111595540A (en) * | 2019-12-10 | 2020-08-28 | 西南技术物理研究所 | Multipurpose convenient dismounting vibration impact tool |
| CN112082721A (en) * | 2020-09-17 | 2020-12-15 | 航天科工防御技术研究试验中心 | Cable screening test fixture |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5650569A (en) * | 1995-07-26 | 1997-07-22 | Liu; Hong S. | Skewed, multi-axis vibration fixture |
| US6851320B1 (en) * | 2004-02-23 | 2005-02-08 | Kun-Ta Lee | Closed-form head expander |
| WO2009007211A1 (en) * | 2007-07-10 | 2009-01-15 | Siemens Aktiengesellschaft | Test specimen holder and method for vibrational material testing |
| CN201765102U (en) * | 2010-08-17 | 2011-03-16 | 上海航天精密机械研究所 | Fixture for completing three-direction vibration test under condition without sliding table |
| CN202994408U (en) * | 2012-12-10 | 2013-06-12 | 上海航天精密机械研究所 | General cable network vibration test clamp and system |
| CN203643118U (en) * | 2013-10-28 | 2014-06-11 | 珠海格力电器股份有限公司 | Multidirection shock test device |
| US20150007662A1 (en) * | 2013-07-02 | 2015-01-08 | Texas Instruments Incorporated | Fixture for test circuit board reliability testing |
| CN104502046A (en) * | 2014-12-09 | 2015-04-08 | 上海航天精密机械研究所 | Test fixture used for three-directional vibration test of thin and long elbow pipe and test method of test fixture |
| CN104949814A (en) * | 2014-03-25 | 2015-09-30 | 株洲南车时代电气股份有限公司 | Fixture for mechanical shock test on power semiconductor module, and test method |
| CN206208480U (en) * | 2016-09-20 | 2017-05-31 | 天津航天瑞莱科技有限公司 | Vibration impact experiment fixture |
-
2016
- 2016-09-20 CN CN201610837529.8A patent/CN106338374A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5650569A (en) * | 1995-07-26 | 1997-07-22 | Liu; Hong S. | Skewed, multi-axis vibration fixture |
| US6851320B1 (en) * | 2004-02-23 | 2005-02-08 | Kun-Ta Lee | Closed-form head expander |
| WO2009007211A1 (en) * | 2007-07-10 | 2009-01-15 | Siemens Aktiengesellschaft | Test specimen holder and method for vibrational material testing |
| CN201765102U (en) * | 2010-08-17 | 2011-03-16 | 上海航天精密机械研究所 | Fixture for completing three-direction vibration test under condition without sliding table |
| CN202994408U (en) * | 2012-12-10 | 2013-06-12 | 上海航天精密机械研究所 | General cable network vibration test clamp and system |
| US20150007662A1 (en) * | 2013-07-02 | 2015-01-08 | Texas Instruments Incorporated | Fixture for test circuit board reliability testing |
| CN203643118U (en) * | 2013-10-28 | 2014-06-11 | 珠海格力电器股份有限公司 | Multidirection shock test device |
| CN104949814A (en) * | 2014-03-25 | 2015-09-30 | 株洲南车时代电气股份有限公司 | Fixture for mechanical shock test on power semiconductor module, and test method |
| CN104502046A (en) * | 2014-12-09 | 2015-04-08 | 上海航天精密机械研究所 | Test fixture used for three-directional vibration test of thin and long elbow pipe and test method of test fixture |
| CN206208480U (en) * | 2016-09-20 | 2017-05-31 | 天津航天瑞莱科技有限公司 | Vibration impact experiment fixture |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106885673A (en) * | 2017-04-24 | 2017-06-23 | 中国电子产品可靠性与环境试验研究所 | Servomotor vibration impact experiment device |
| CN108827572A (en) * | 2018-07-31 | 2018-11-16 | 天津航天瑞莱科技有限公司 | A kind of vibration impact experiment fixture of more part combination body products |
| CN110595715A (en) * | 2019-10-21 | 2019-12-20 | 西安近代化学研究所 | Fuel gas generator environmental test clamping device |
| CN111595540A (en) * | 2019-12-10 | 2020-08-28 | 西南技术物理研究所 | Multipurpose convenient dismounting vibration impact tool |
| CN112082721A (en) * | 2020-09-17 | 2020-12-15 | 航天科工防御技术研究试验中心 | Cable screening test fixture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170118 |
|
| RJ01 | Rejection of invention patent application after publication |