CN107727349A - A kind of fixture for testing plate vibration performance - Google Patents
A kind of fixture for testing plate vibration performance Download PDFInfo
- Publication number
- CN107727349A CN107727349A CN201711155301.1A CN201711155301A CN107727349A CN 107727349 A CN107727349 A CN 107727349A CN 201711155301 A CN201711155301 A CN 201711155301A CN 107727349 A CN107727349 A CN 107727349A
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- CN
- China
- Prior art keywords
- clamp
- chuck
- fixture
- plate
- vibration performance
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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
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- 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
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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 plate vibration performance testing field, disclose a kind of fixture for testing plate vibration performance, it includes two clamp bases being oppositely arranged, clamp head is removably connected with clamp base, two clamp bases can be movable relatively to adjust the spacing between two clamp heads, clamp head is connected with chuck bottom by chuck top and formed, chuck bottom is connected with clamp base, formed between the lower surface on chuck top and the upper surface of chuck bottom and be available for the clamping otch that plate to be measured passes through, and chuck top is additionally provided with compressing member, compressing member can compress or unclamp the plate to be measured.Beneficial effects of the present invention are：By setting dismountable clamp head, being available for the clamping otch that plate to be measured passes through, two clamp bases that can be movable relatively, can meet different radians, different length plate to be tested clamping requirement, firm clamping is carried out to sample, the test result without influenceing sample vibration performance.
Description
Technical field
The present invention relates to plate vibration performance testing field, more particularly to a kind of folder for testing plate vibration performance
Tool.
Background technology
When carrying out plate vibration performance test experiments, it is necessary to fix plate to be measured using fixture, form plate to be measured and survey
Both ends boundary condition during examination, in order that test result is accurate, it is necessary to fixture stably can live the both ends of part to be measured by clamping, survey
The reliability of boundary condition during examination, directly affect the accuracy of test result.
At present, the fixture that the fixture of the fixed test block of installation is formed in one is mostly used in, its base and clamp head connect
It is integrated, end of the opening to clamping part to be measured is opened up in clamp head, a kind of fixture is only used for testing same shape, length
Plate, still, the size and dimension of test specimen has diversity, when the shape of plate, which is unsatisfactory for fixture clamping, to be needed, it is necessary to
Destructive cutting is carried out to test sample or the fixture that makes another specification is to adapt to this test block.Therefore, design is a kind of
It is adjustable significant to adapt to the fixture of plate difference change in size and change in shape to be measured.
The content of the invention
The purpose of the present invention is overcome the deficiencies in the prior art, there is provided a kind of fixture for testing plate vibration performance, no
The plate to be measured of different radians can only be used, moreover it is possible to meet the test plate of different length, it is destructive without being carried out to sample
Cutting.
To achieve these goals, the present invention provides a kind of fixture for testing plate vibration performance, and it includes relative set
Two clamp bases put, be removably connected with clamp head in the clamp base, offered in the clamp head be available for it is to be measured
The clamping otch that plate passes through, between two clamp bases can be movable relatively between two clamping otch of regulation
Away from the clamp head includes chuck top and the chuck bottom being connected with the chuck top, the chuck bottom and the folder
Have base connection, the clamping otch is formed between the lower surface on the chuck top and the upper surface of the chuck bottom, and
The chuck top is additionally provided with compressing member, and the compressing member can compress or unclamp the plate to be measured.
Preferably, the compressing member is housing pin, and the chuck top offers and the housing pin phase
The screwed hole of cooperation.
Preferably, the chuck top and the chuck bottom are bolted.
Preferably, the clamping otch is from the interior lateral margin of clamp head to its lateral border inclined arc gradually downward
Shape face or plane.
Preferably, the clamp base includes bottom plate and the column being vertically arranged that is arranged on bottom plate, two
Top of the chuck bottom respectively with two columns is connected.
Preferably, the bottom of two clamp bases offers the first chute and the second chute respectively, described
Connection strap is plugged between first chute and second chute to connect two clamp bases, two clamp bases
It can be slided along the connection strap.
Preferably, the fixture of the test plate vibration performance includes two first chutes and described the
Two chutes, and including two connection straps.
Preferably, the fixture of the test plate vibration performance also includes connecting the chuck bottom and described
The connecting plate of clamp base, the both ends of the connecting plate are connected with the chuck bottom, the clamp base respectively by bolt
Connect.
Preferably, the clamp base includes bottom plate and is fixedly connected on the column on the bottom plate top, two
Top of the chuck bottom respectively with two columns is connected.
Preferably, the bottom plate uses with the column and is threadedly coupled or welds.
The present invention provides a kind of fixture for testing plate vibration performance, and its clamp base and clamp head are using dismountable
Connected mode, when testing the sample of different radians, the replaceable clamp head for offering different clamping otch, and clamp head is by chuck
Top and chuck bottom composition, formed with being available for plate to be measured between the lower surface on chuck top and the upper surface of chuck bottom
The clamping otch that end passes completely through, to meet the requirement of the test plate to different length, sample is broken so as to remove from
The cutting of bad property.
Brief description of the drawings
Fig. 1 is a kind of structural representation for the fixture for testing plate vibration performance in the embodiment of the present invention；
Fig. 2 is a kind of front view for the fixture for testing plate vibration performance in the embodiment of the present invention；
Fig. 3 is Fig. 2 top view；
Fig. 4 is Fig. 2 left view；
In figure, 10, clamp base；11st, the first chute；12nd, the second chute；13rd, bottom plate；14th, column；20th, clamp head；
21st, clamping otch；22nd, chuck top；221st, screwed hole；23rd, chuck bottom；30th, compressing member；40th, connection strap；50th, connecting plate.
Embodiment
With reference to the accompanying drawings and examples, the embodiment of the present invention is described in further detail.Implement below
Example is used to illustrate the present invention, but is not limited to the scope of the present invention.
Shown in reference picture 1- Fig. 4, a kind of fixture of test plate vibration performance of the preferred embodiment of the present invention, it includes
Two clamp bases 10 being oppositely arranged, are removably connected with clamp head 20 in the clamp base 10, in the clamp head 20
The clamping otch 21 for being available for plate to be measured to pass through is offered, two clamp bases 10 can be movable relatively to adjust described in two
Spacing between clamping otch 21, the clamp head 20 are included under chuck top 22 and the chuck being connected with the chuck top 22
Portion 23, the chuck bottom 23 are connected with the clamp base 10, the lower surface on the chuck top 22 and the chuck bottom
The clamping otch 21 is formed between 23 upper surface, and the chuck top 22 is additionally provided with compressing member 30, the compressing member 30
It can compress or unclamp the plate to be measured.The clamp head 20 is detachably connected with the clamp base 10, can be according to treating
The concrete shape of drafting board part changes different types of clamp head 20；In addition, two ends of plate to be measured may pass through clamping otch
21, the sample of different length can be clamped in the clamp head 20, and when the length of plate to be measured is longer, its both ends is stretched out
The certain length of clamping otch 21；Meanwhile two clamp bases 10 that can be mutually shifted are set, two can be adjusted in clamping process
Position relationship between individual clamping otch 21, avoids plate to be measured from producing moment of torsion between two clamping otch 21, makes clamping more steady
It is fixed.During clamping plate to be measured, first plate to be measured is inserted in clamping otch 21, then compresses plate to be measured using compressing member 30,
It can ensure that sample both ends are stably fixed, the result of the test of the vibration performance without influenceing sample itself.
Based on above-mentioned technical proposal, a kind of fixture for testing plate vibration performance, the compression are provided in the present embodiment
Part 30 is housing pin, and the chuck top 22 offers the screwed hole 221 being engaged with the housing pin, using compression spiral shell
Silk, which is tightened, to be propped up the upper surface of plate to be measured and can fix plate to be measured.
The chuck top 22 and the chuck bottom 23 are bolted, and exemplarily, the chuck top 22 is set
Row's housing pin is equipped with, correspondingly, the screwed hole being engaged is offered on chuck top 22 and chuck bottom 23, according to be measured
The width of plate, the upper surface that the housing pin contacted with plate to be measured props up plate to be measured are used to compress plate to be measured；Both ends
The housing pin of position does not contact with plate, can tighten housing pin and extend to the screwed hole of chuck bottom and be used for connecting clip
Top 22 and chuck bottom 23.
In the present embodiment, specifically, the clamping otch 21 be from the interior lateral margin of clamp head 20 to its lateral border gradually to
Under inclined arcwall face or plane, clamping otch is set to by different shapes according to the difference of plate radian to be measured, so as to more
Stably clamping plate to be measured.
Preferably, the bottom of two clamp bases 10 offers the first chute 11 and the second chute 12 respectively, described
Connection strap 40 is plugged between first chute 11 and second chute 12 to connect two clamp bases 10, described in two
Clamp base 10 can be slided along the connection strap 40.Connection strap 40 plays spacing effect, makes two edges of clamp base 10
The connection strap 40 keeps certain depth of parallelism that relative movement occurs, without producing Moment to board under test part, so as to
The experimental result of vibration test is not influenceed.
Preferably, in order to spacing preferably to being carried out in two moving process of clamp base 10, two described are provided with
One chute 11 and second chute 12, and correspondingly include two connection straps 40.
In the present embodiment, in addition to the connecting plate 50 of the connection chuck bottom 23 and the clamp base 10, the company
The both ends of fishplate bar 50 are connected with the chuck bottom 23, the clamp base 10 respectively by bolt, and installation is stable and dismantles
Simply.Exemplarily, clamp head 20 and the two sides of the junction of clamp base 10 include connecting plate 50, the connecting plate of both sides
50 connecting clip bottom 23 and clamp base 10 make connection more stable simultaneously.
Further, in order to easy to process, the clamp base 10 includes bottom plate 13 and is fixedly connected on the bottom plate 13
The column 14 on top, top of two chuck bottoms 23 respectively with two columns 14 are connected.
Preferably, the bottom plate 13 is connected firmly with the column 14 using being threadedly coupled or welding.
To sum up, the embodiment of the present invention provide it is a kind of test plate vibration performance fixture, including clamp base 10 and with
The clamp head 20 that the clamp base 10 is detachably connected, it is replaceable to offer different clampings when testing the sample of different radians
The clamp head 20 of otch 21, the clamping otch 21 that plate to be measured passes through, the two fixture bottoms that can be movable relatively are available for by setting
Seat 10, to meet the clamping requirement of the test plate to different length, destructive cutting is carried out to sample so as to remove from, and
The position relationship of two clamp bases 10 is can adjust in clamping makes clamping stable, the test knot without influenceing sample vibration performance
Fruit.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvement and replacement can also be made, these improve and replaced
Also it should be regarded as protection scope of the present invention.
Claims (9)
- A kind of 1. fixture for testing plate vibration performance, it is characterised in thatIncluding two clamp bases (10) being oppositely arranged, clamp head (20) is removably connected with the clamp base (10), The clamping otch (21) for being available for plate to be measured to pass through is offered on the clamp head (20), two clamp bases (10) can phase To moving the spacing to adjust between two clamping otch (21),The clamp head (20) includes chuck top (22) and the chuck bottom (23) being connected with the chuck top (22), described Chuck bottom (23) is connected with the clamp base (10), the lower surface and the chuck bottom (23) of the chuck top (22) Upper surface between form the clamping otch (21), and the chuck top (22) is additionally provided with compressing member (30), the compression Part (30) can compress or unclamp the plate to be measured.
- 2. the fixture of test plate vibration performance as claimed in claim 1, it is characterised in that the compressing member (30) is pressure Tight screw, the chuck top (22) offer the screwed hole (221) being engaged with the housing pin.
- 3. as claimed in claim 1 test plate vibration performance fixture, it is characterised in that the chuck top (22) and The chuck bottom (23) is threaded connection.
- 4. the fixture of the test plate vibration performance as any one of claim 1-3, it is characterised in that the clamping Otch (21) is from the interior lateral margin of clamp head (20) to its lateral border inclined arcwall face or plane gradually downward.
- 5. the fixture of the test plate vibration performance as any one of claim 1-3, it is characterised in that described in two The bottom of clamp base (10) offers the first chute (11) and the second chute (12) respectively, first chute (11) and described Connection strap (40) is plugged between second chute (12) to connect two clamp bases (10), two clamp bases (10) can be slided along the connection strap (40).
- 6. the fixture of test plate vibration performance as claimed in claim 5, it is characterised in that slided including two described first Groove (11) and second chute (12), and including two connection straps (40).
- 7. the fixture of the test plate vibration performance as any one of claim 1-3, it is characterised in that also include connecting The connecting plate (50) of the chuck bottom (23) and the clamp base (10) is connect, the both ends of the connecting plate (50) pass through spiral shell Bolt is connected with the chuck bottom (23), the clamp base (10) respectively.
- 8. the fixture of the test plate vibration performance as any one of claim 1-3, it is characterised in that the fixture Base (10) includes bottom plate (13) and is fixedly connected on the column (14) on the bottom plate (13) top, two chuck bottoms (23) top respectively with two columns (14) is connected.
- 9. as claimed in claim 8 test plate vibration performance fixture, it is characterised in that the bottom plate (13) with it is described Column (14) is using threaded connection or welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711155301.1A CN107727349A (en) | 2017-11-20 | 2017-11-20 | A kind of fixture for testing plate vibration performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711155301.1A CN107727349A (en) | 2017-11-20 | 2017-11-20 | A kind of fixture for testing plate vibration performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107727349A true CN107727349A (en) | 2018-02-23 |
Family
ID=61217469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711155301.1A Pending CN107727349A (en) | 2017-11-20 | 2017-11-20 | A kind of fixture for testing plate vibration performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107727349A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113740702A (en) * | 2021-07-22 | 2021-12-03 | 中国电子科技集团公司第二十九研究所 | Printed board vibration test device |
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| CN102818689A (en) * | 2011-06-09 | 2012-12-12 | 工业和信息化部电子第五研究所 | Universal fixture for vibration test for board-level circuits |
| CN202599754U (en) * | 2012-05-11 | 2012-12-12 | 中国航空工业集团公司西安飞机设计研究所 | Reinforced wallboard compression test clamping apparatus |
| CN103033326A (en) * | 2011-09-30 | 2013-04-10 | 中航商用航空发动机有限责任公司 | Flat plate vibration test clamp and installation method and calibration method thereof |
| CN204789137U (en) * | 2015-06-23 | 2015-11-18 | 中国航空工业集团公司西安飞机设计研究所 | Coefficient adjustable wallboard compression test anchor clamps are supported to tip |
| CN205138889U (en) * | 2015-11-16 | 2016-04-06 | 郑州大学 | Experimental panel test piece anchor clamps of hammer impact that falls |
| CN106153448A (en) * | 2016-06-29 | 2016-11-23 | 燕山大学 | The fixture that the stretching of a kind of sheet coupon is tested with cyclic compressive load |
| CN106706419A (en) * | 2017-01-09 | 2017-05-24 | 中国铁道科学研究院铁道建筑研究所 | Device for simulating boundary condition of simple support during plate piece testing |
| CN206311428U (en) * | 2016-12-27 | 2017-07-07 | 安徽大华检测技术有限公司 | A kind of bend test of metal materials fixture |
| CN107356392A (en) * | 2017-09-09 | 2017-11-17 | 中南林业科技大学 | A kind of beam oscillating aging platform flexible jig device |
| CN207456721U (en) * | 2017-11-20 | 2018-06-05 | 广州大学 | A kind of fixture for testing plate vibration performance |
-
2017
- 2017-11-20 CN CN201711155301.1A patent/CN107727349A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818689A (en) * | 2011-06-09 | 2012-12-12 | 工业和信息化部电子第五研究所 | Universal fixture for vibration test for board-level circuits |
| CN103033326A (en) * | 2011-09-30 | 2013-04-10 | 中航商用航空发动机有限责任公司 | Flat plate vibration test clamp and installation method and calibration method thereof |
| CN202599754U (en) * | 2012-05-11 | 2012-12-12 | 中国航空工业集团公司西安飞机设计研究所 | Reinforced wallboard compression test clamping apparatus |
| CN204789137U (en) * | 2015-06-23 | 2015-11-18 | 中国航空工业集团公司西安飞机设计研究所 | Coefficient adjustable wallboard compression test anchor clamps are supported to tip |
| CN205138889U (en) * | 2015-11-16 | 2016-04-06 | 郑州大学 | Experimental panel test piece anchor clamps of hammer impact that falls |
| CN106153448A (en) * | 2016-06-29 | 2016-11-23 | 燕山大学 | The fixture that the stretching of a kind of sheet coupon is tested with cyclic compressive load |
| CN206311428U (en) * | 2016-12-27 | 2017-07-07 | 安徽大华检测技术有限公司 | A kind of bend test of metal materials fixture |
| CN106706419A (en) * | 2017-01-09 | 2017-05-24 | 中国铁道科学研究院铁道建筑研究所 | Device for simulating boundary condition of simple support during plate piece testing |
| CN107356392A (en) * | 2017-09-09 | 2017-11-17 | 中南林业科技大学 | A kind of beam oscillating aging platform flexible jig device |
| CN207456721U (en) * | 2017-11-20 | 2018-06-05 | 广州大学 | A kind of fixture for testing plate vibration performance |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113740702A (en) * | 2021-07-22 | 2021-12-03 | 中国电子科技集团公司第二十九研究所 | Printed board vibration test device |
| CN113740702B (en) * | 2021-07-22 | 2023-04-28 | 中国电子科技集团公司第二十九研究所 | Printed board vibration test device |
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