CN207066867U - The fixture of performance is pulled for test compound material Ω shape components - Google Patents
The fixture of performance is pulled for test compound material Ω shape components Download PDFInfo
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- CN207066867U CN207066867U CN201721100791.0U CN201721100791U CN207066867U CN 207066867 U CN207066867 U CN 207066867U CN 201721100791 U CN201721100791 U CN 201721100791U CN 207066867 U CN207066867 U CN 207066867U
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- clamping part
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Abstract
The utility model discloses a kind of fixture that performance is pulled for test compound material Ω shape components, the fixture is made up of six clamping parts, and the first clamping part, the second clamping part coordinate with the 4th clamping part respectively, the covering both sides of fixed clamp Ω shape components；3rd clamping part and the 4th clamping part coordinate, the cavity inside panel of fixed clamp Ω shape components；5th clamping part and the 6th clamping part coordinate, at the top of the rib of fixed clamp Ω shape components；Wherein the 4th clamping part is provided with groove, and Ω shape component coverings and the rib being connected with covering are fixed in groove during test.The utility model is distinguished using Ω shape components different parts by the way of clamping fastener, ensure that component is non-slip in fixture, and component deformation is reduced as far as possible, external load is vertical with the interface layer of test member when being tested, be advantageous to the precision of test result, and present apparatus processing is simple, easy to operate, experimental repeatability is good.
Description
Technical field
A kind of fixture that performance is pulled for test compound material Ω shape components is the utility model is related to, belongs to composite
Detection field.
Background technology
Currently, fiber-reinforced resin matrix compound material component is widely used in aerospace field, and it is applied
Scope is also from conventional non-bearing component gradually to primary load bearing component transition.Composite Ω shape components, due to its good knot
Structure stability and the axial load-carrying ability of transmission, it is even more to be generally used in aircraft Material Stiffened Panel.Especially in tubular fuselage knot
Structure position, the usage amounts of composite Ω shape components close in aircraft composite structure total amount 80%, turn into flight
One of typical structure of device composite element.
Composite Ω shapes component is mainly made up of top Ω shapes rib and lower skin two parts, frequently with co-curing skill
Art is molded.In engineering, performance test is typically pulled come evaluating combined material members interlayer co-curing quality by interface layer
It is good and bad.Existing mechanics performance testing technology often can simple structure such to such as flat part test, and for multiple
Condensation material Ω shape components are this to have labyrinth variable cross-section, Varying-thickness, the structure with turning, when carrying out Mechanics Performance Testing
Need to ensure that its each position is not slided, and to ensure that the interface layer between its direction loaded and rib/covering mutually hangs down
Directly, tool acquires a certain degree of difficulty.At present, dependence test fixture and technology is not had also to carry out aided composite Ω shape components and pull performance survey
The development of examination.Therefore, need badly and develop a kind of fixture that performance is pulled for test compound material Ω shape components, to solve composite wood
Interface layer caused by material Ω shape components are not easy stable holding pulls the problem of performance is difficult to accurately test.
The content of the invention
In view of the above-mentioned problems existing in the prior art, the purpose of this utility model is the special construction using Ω shape components as base
Plinth, obtain a kind of fixture that performance is pulled for test compound material Ω shape components.
First purpose of the present utility model is to provide a kind of pulls performance for test compound material Ω shape components
Fixture, Ω shape components have the section rib for being Ω shapes and the covering being connected with rib, shape are fixedly connected between rib and covering
One section of Ω shape component is cut into a cavity, during test to be tested.Fixture is made up of six clamping parts, the first clamping part,
Two clamping parts coordinate with the 4th clamping part respectively, the covering both sides of fixed clamp Ω shape components；3rd clamping part and the 4th clamping
Portion coordinates, the cavity inside panel of fixed clamp Ω shape components；5th clamping part and the 6th clamping part coordinate, fixed clamp Ω shape structures
At the top of the rib of part；Wherein the 4th clamping part is provided with groove, and Ω shape component coverings and the rib being connected with covering are fixed during test
In groove.First clamping part is identical with the second clamping part shape and structure, and the 3rd clamping part is in structure with the one the second
Clamping part is similar, but undersized, and the 3rd clamping part is the half of the first clamping part in shape, and the 4th clamping part is along long side direction
Provided with groove, the section shape of groove is " u "-shaped.
4th clamping part plays a part of whole clamp bottom board, and the covering of Ω shapes component to be measured is fixed on into the 4th during test
It is in the groove of clamping part, the characteristics of this fixture, during test pulls performance, coordinates clamping between clamping part two-by-two
Ω shapes component to be measured, at utmost fixing in test process Ω shapes component is ensure that, and will not be due to the excessive production of pulling force
Raw influence of crust deformation testing result so that testing result is more accurate.During test, the first clamping part and the 4th clamping part coordinate fixation
One side skin of Ω shape components, the second clamping part and the 4th clamping part coordinate another side skin of fixed Ω shape components, the 5th folder
Hold portion with the 6th clamping part to coordinate at the top of the rib of fixed Ω shape components, Ω shape components are not only fixed in such design, are more ensured
The uniform stressed of Ω shape components, and according to the structure design of Ω shape components, clamp structure is easy and effective, it is easy to tear open during test
Dress, it is easy to use.
The width of groove is more than or equal to the width of Ω shape components, is easy to Ω shape components being fastened in groove, depth of groove
More than or equal to the skin thickness of Ω shape components, made up when depth of groove is more than Ω shape component skin thickness, during test with pad
Thickness difference, when recess width is more than Ω shape surface member widths, bar shaped fixture can be added in both sides and make up stand out, to Ω shape structures
Part is fixed, and makes it that relative displacement not occur.Meanwhile pad and bar shaped fixture can also play reinforcement fixed effect, make
With more stable effect when Ω shapes component to be measured is fixed.
Preferably, in order that fixture is with pulling performance detection apparatus (generally stretching-machine) preferably compatible use, this reality
Also include joint with the fixture in new, the first joint is located at the bottom centre position of the 4th clamping part, and the second joint is located at the
The top of six clamping parts, the end face of two joints are generally aligned in the same plane, and the first joint and the second joint are stretched machine in test
Chuck be fixedly clamped, then drive shrinkage direction of the whole fixture along chuck that slow displacement occurs.
Preferably, each clamping part of fixture is completed to be fixedly connected by the way of mode connects for screw, therefore accordingly in each clamping
Screw hole is offered in portion.Mode connects for screw is a kind of preferred embodiment in the utility model, any to realize two
Two other connected modes fixed, such as engage or rivet, can be used in the utility model, mode connects for screw is not considered as
To limitation of the present utility model.
It is highly preferred that screw hole number needs to design according to fixing intensity, as long as can realize that cooperation is fixed.This
Preferable fixed form is fixed for angle in utility model, that is to say, that screw hole, the 4th clamping are provided with the corner of individual clamping part
The screw hole of the screw hole in portion and first, second and third clamping part corresponds, the screw hole of the 5th clamping part and the 6th folder
The screw hole for holding portion corresponds.3rd clamping part because size is smaller, only need to both sides set two screw holes, the 4th
Clamping part coordinates the screw hole number of the one the second the 3rd clamping parts, and screw hole is provided with groove both sides, per side five.
Preferably, in order that clamping is more stable, the 5th clamping part is in integrally " work " font, and both ends are fixed part, and centre is
Connecting portion, the length of middle interconnecting piece are not less than the width of Ω shapes component rib to be measured, and " work " font can be by Ω shapes structure to be measured
Part rib is completely embedded in the 5th clamping part, and after the 5th clamping part and the cooperation fixation of the 6th clamping part, rib is completely fixed in
It in 5th the 6th clamping part, will not be subjected to displacement, ensure that the accuracy of test result.
It is highly preferred that there is certain thickness difference between the both ends fixed part and middle interconnecting piece of the 5th clamping part, both ends are solid
The thickness for determining portion is more than the thickness of middle interconnecting piece, and thickness difference ensure that Ω shape component ribs can be completely fitted in the 5th clamping
In portion, therefore, the thickness is more than or equal to the top material thickness of Ω shape component ribs.When the thickness difference of the 5th clamping part is more than Ω
During the top material thickness of shape component rib, pad can be increased and ensure fixed effect.
Ω shapes component is mostly typically fiber/resin composite, such as carbon fiber/asphalt mixtures modified by epoxy resin because the environment used is special
Resin composite material etc..Fixture in the utility model is not limited material, if test request can be met, but each clamping
Portion, groove inner surface and boss surface polish smooth.
Compared with prior art, the utility model is correspondingly arranged clamping device according to the structure of Ω shape components, simple in construction,
By the way of Ω shape components different parts distinguish clamping fastener, it can preferably ensure that component is non-slip in fixture, and
Component deformation is reduced as far as possible, and external load is vertical with the interface layer of test member when being tested, and is advantageous to test result
Precision.And present apparatus processing is simple, easy to operate, experimental repeatability is good, solves composite Ω shape structures in Practical Project experiment
The problem of part interface layer Mechanics Performance Testing.
Brief description of the drawings
Fig. 1 is the structural representation of fixture provided by the utility model.
Fig. 2 is the clamping part schematic diagram of fixture first and second provided by the utility model.
Fig. 3 is the clamping part schematic diagram of fixture the 3rd provided by the utility model.
Fig. 4 is the clamping part schematic diagram of fixture the 4th provided by the utility model.
Fig. 5 is the clamping part schematic diagram of fixture the 5th provided by the utility model.
Fig. 6 is the clamping part schematic diagram of fixture the 6th provided by the utility model.
Fig. 7 is composite Ω shape component schematic diagrames.
Fig. 8 is that the interface layer of carbon fiber/epoxy resin composite material Ω shape components pulls curve.
Reference
1st, the first clamping part, the 2, second clamping part, the 3, the 3rd clamping part, the 4, the 4th clamping part, the 5, the 5th clamping part, 6,
Six clamping parts, 7, trip bolt, 8, composite Ω shape components, 9, screw, 10, groove, the 11, first joint, 12, second connects
Head, 13, boss, 14, Ω shape component ribs, 15, Ω shape component coverings.
Embodiment
With reference to embodiment to the folder provided by the utility model that performance is pulled for test compound material Ω shape components
Tool work is further detailed, intactly illustrates.The embodiments described below is exemplary, is only used for explaining the utility model, and
It is not intended that to limitation of the present utility model.
As shown in figs. 1 to 6, the Ω shapes component 8 in the utility model have section for Ω shapes rib 14 and with rib 14
Connected covering 15, a cavity is fixedly connected to form between rib 14 and covering 15, for test compound material Ω shape components
The fixture for pulling performance is made up of six clamping parts, and the first clamping part 1, the second clamping part 2 coordinate with the 4th clamping part 4 respectively,
The both sides of covering 15 of fixed clamp Ω shape components；3rd clamping part 3 coordinates with the 4th clamping part 4, fixed clamp Ω shape components
Cavity inside panel；5th clamping part 5 coordinates with the 6th clamping part 6, the top of rib 14 of fixed clamp Ω shape components；Wherein the 4th
Clamping part 4 is provided with groove, and Ω shape component coverings and the rib being connected with covering are fixed in groove during test.First clamping part 1
Identical with the shape and structure of the second clamping part 2, the first clamping part 1 and the second clamping part 2 are provided with four trip bolt holes 9,
3rd clamping part 3 is similar with the one the second clamping parts in structure, but undersized, and the 3rd clamping part (3) is first in shape
The half of clamping part (1), two trip bolt holes 9 are also provided with the 3rd clamping part, and the 4th clamping part 4 is provided with recessed along long side direction
Groove 10, the section shape of groove 10 is " u "-shaped, and the fluting thickness of groove 10 is consistent with the skin thickness of Ω shape components, groove two
Side is respectively provided with five screw holes 9, is additionally provided with the first joint 11 on the bottom centre position of the 4th clamping part 4, the first joint 11 and recessed
Groove 10 is distributed on two opposite faces of the 4th clamping part, and it is in " work " font that the 5th clamping part 5 is overall, and both ends are fixed part, in
Between be connecting portion, the thickness of the both ends fixed part of the 5th clamping part 5 is more than the thickness of middle interconnecting piece, and thickness difference is not less than Ω shape structures
The rib top thickness of part, the length of middle interconnecting piece are equal to the width of Ω shapes component rib to be measured, are provided with the 5th clamping part 5
Screw hole 9, the 6th clamping part 6 are provided with the second joint 12, are provided with screw hole corresponding with the 5th clamping part screw hole location, and two
The end face of individual joint 11 and 12 is generally aligned in the same plane.
As shown in fig. 7, Ω shapes component includes rib 14 and the two parts of covering 15, formed by hot pressing co-curing forming method
One, rib and covering are generally prepared from composites such as carbon fiber/epoxy resins, and rib and covering surround closing
Cavity.Covering/when pulling performance test of rib interface is carried out under external load effect, Ω shapes component can produce larger elasticity
Deformation, is difficult to ensure that measuring accuracy.Therefore, tested using the fixture in the utility model, by rib and covering
It is fixed and clamps and carry out the larger elastic deformation of limiting member, then carries out pulling experiment.When fixed, Ω shape components are fastened on the
In the groove 10 of four clamping parts, the width of groove 10 is consistent with the width of Ω shape components.First clamping part 1 and the second clamping part 2
The 4th clamping part is fixed in the both sides of covering 15 respectively, it is fixed to be fixed using screw 7, select the pad consistent with skin thickness
Circle pad fixed unstable is asked between the first clamping part or the second clamping part and the 4th clamping part with make up that skin thickness brings
Topic.The covering that 3rd clamping part fixation is impaled by rib, the 3rd clamping part pass through the cavity surrounded, and covering is fixed on into the 4th folder
Hold in portion, fixed form is identical with the first clamping part.
5th clamping part 5 and the 6th clamping part 6 coordinate fixed rib, and the 5th clamping part 5 passes through cavity, exposes " work " font
Both ends fixed part, have certain thickness difference, both ends fixed part between the both ends fixed part and middle interconnecting piece of the 5th clamping part
Thickness be more than the thickness of middle interconnecting piece, thickness difference and Ω shape component rib tip material consistency of thickness, the 6th clamping part with
The rib of Ω shape components is clipped in the middle by the 5th clamping part, is fixed by screw.4th clamping part and the 6th clamping part, which have, to be connect
Head, joint are used to stretching machine grip holder be connected during actual test, state to be measured such as Fig. 1 institutes after fixing
Show, wherein shade is a part for the visible Ω shapes component 8 of fixed rear side viewing, and remaining Ω shapes component is clamped fixed or is embedded in
In groove, the first clamping part 1 and the second clamping part 2 fix the both sides of covering in the 4th clamping part, the 3rd clamping part fixation cavity
Inside panel coordinates at the top of fixed rib in the 4th clamping part, the 5th clamping part 5 and the 6th clamping part 6, and fixed form is screw
It is fixed.Above-mentioned each clamping part to prepare material unlimited, but each clamping part, groove inner surface and boss surface polish smooth.
Finally be necessary described herein be：Above example is served only for making further the technical solution of the utility model
Explain, it is impossible to be interpreted as the limitation to scope of protection of the utility model, those skilled in the art is new according to this practicality
Some nonessential modifications and adaptations that the above of type is made belong to the scope of protection of the utility model.
Claims (9)
1. a kind of fixture that performance is pulled for test compound material Ω shape components, Ω shapes component (8) has section for Ω shapes
Rib (14) and the covering (15) being connected with rib (14), are fixedly connected to form a sky between rib (14) and covering (15)
Chamber, it is characterised in that：The fixture is made up of six clamping parts, and the first clamping part (1), the second clamping part (2) are respectively with the 4th
Clamping part (4) coordinates, the covering both sides of fixed clamp Ω shape components；3rd clamping part (3) coordinates with the 4th clamping part (4), shape
On shape the 3rd clamping part (3) be the first clamping part (1) half, the cavity inside panel of fixed clamp Ω shape components；5th clamping
Portion (5) coordinates with the 6th clamping part (6), at the top of the rib of fixed clamp Ω shape components；Wherein the 4th clamping part (4) is provided with recessed
Groove, Ω shape component coverings and the rib being connected with covering are fixed in groove during test.
2. the fixture according to claim 1 that performance is pulled for test compound material Ω shape components, it is characterised in that：The
Five clamping parts (5) are in " work " font, and both ends are fixed part, and centre is connecting portion, and the middle interconnecting piece of " work " font passes through Ω shapes
The cavity of component, both ends fixed part stretch out cavity and are fixedly connected with the 6th clamping part (6).
3. the fixture according to claim 2 that performance is pulled for test compound material Ω shape components, it is characterised in that：The
The thickness of five clamping parts (5) both ends fixed part is more than the thickness of middle interconnecting piece, and thickness difference is not less than the rib top of Ω shape components
Portion's thickness.
4. the fixture according to claim 1 that performance is pulled for test compound material Ω shape components, it is characterised in that：Folder
Tool is with the joint being connected with pulling performance detection apparatus.
5. the fixture according to claim 4 that performance is pulled for test compound material Ω shape components, it is characterised in that：Connect
Head is two, and the first joint (11) is located at the bottom surface of the 4th clamping part (4), and the second joint (12) is located at the 6th clamping part (6)
Top surface, the end face of two joints are generally aligned in the same plane.
6. the fixture according to claim 1 that performance is pulled for test compound material Ω shape components, it is characterised in that：Respectively
It is fixedly connected between clamping part by screw, clamping part is provided with screw hole.
7. the fixture according to claim 6 that performance is pulled for test compound material Ω shape components, it is characterised in that：The
The screw hole of four clamping parts (4) and the screw hole of first, second and third clamping part correspond, the spiral shell of the 5th clamping part (5)
Nail and the screw hole of the 6th clamping part (6) correspond.
8. the fixture according to claim 1 that performance is pulled for test compound material Ω shape components, it is characterised in that：The
The depth of groove of four clamping parts (4) is not less than the skin thickness of Ω shapes component to be measured.
9. the fixture according to claim 1 that performance is pulled for test compound material Ω shape components, it is characterised in that：The
The recess width of four clamping parts (4) is not less than the width of Ω shapes component to be measured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721100791.0U CN207066867U (en) | 2017-08-30 | 2017-08-30 | The fixture of performance is pulled for test compound material Ω shape components |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721100791.0U CN207066867U (en) | 2017-08-30 | 2017-08-30 | The fixture of performance is pulled for test compound material Ω shape components |
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| Publication Number | Publication Date |
|---|---|
| CN207066867U true CN207066867U (en) | 2018-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721100791.0U Expired - Fee Related CN207066867U (en) | 2017-08-30 | 2017-08-30 | The fixture of performance is pulled for test compound material Ω shape components |
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| Country | Link |
|---|---|
| CN (1) | CN207066867U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107884266A (en) * | 2017-08-30 | 2018-04-06 | 湖南科技大学 | The fixture and method of testing of performance are pulled for test compound material Ω shape components |
| CN111948050A (en) * | 2020-08-15 | 2020-11-17 | 哈尔滨工业大学 | Carbon fiber/epoxy resin three-dimensional woven composite material pulling-pulling fatigue damage evolution research test method based on synchrotron radiation CT |
-
2017
- 2017-08-30 CN CN201721100791.0U patent/CN207066867U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107884266A (en) * | 2017-08-30 | 2018-04-06 | 湖南科技大学 | The fixture and method of testing of performance are pulled for test compound material Ω shape components |
| CN107884266B (en) * | 2017-08-30 | 2020-01-07 | 湖南科技大学 | Clamp for testing pull-out performance of composite material omega-shaped component and testing method |
| CN111948050A (en) * | 2020-08-15 | 2020-11-17 | 哈尔滨工业大学 | Carbon fiber/epoxy resin three-dimensional woven composite material pulling-pulling fatigue damage evolution research test method based on synchrotron radiation CT |
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| Date | Code | Title | Description |
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| 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: 20180302 Termination date: 20200830 |