CN207318235U - One kind is glued aluminium honeycomb sandwich construction front built-in fitting pull-off test fixture - Google Patents
One kind is glued aluminium honeycomb sandwich construction front built-in fitting pull-off test fixture Download PDFInfo
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- CN207318235U CN207318235U CN201721271249.1U CN201721271249U CN207318235U CN 207318235 U CN207318235 U CN 207318235U CN 201721271249 U CN201721271249 U CN 201721271249U CN 207318235 U CN207318235 U CN 207318235U
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- top board
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- fitting
- sandwich construction
- honeycomb sandwich
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Abstract
The utility model discloses one kind to be glued aluminium honeycomb sandwich construction front built-in fitting pull-off test fixture, including：Top board, lower platen, head rod, the second connecting rod；The top board and lower platen are used to that aluminium honeycomb sandwich construction front built-in fitting sample holder will to be glued therebetween；It is fastened by bolts between the top board and lower platen；An opening is provided with the axial centerline of the top board；The head rod includes first end of thread and the first connection nose end, and first end of thread is connected to the built-in fitting, and described first connects the lower contact of the testing machine outside nose end connection；A tapped blind hole is provided with the axial centerline of plate face of the lower platen away from the top board；Second connecting rod includes second end of thread and the second connection nose end, and second end of thread is connected to the tapped blind hole, the top connection that the second connection nose end connection is connected with testing machine pulling force sensor.The utility model can improve the efficiency and accuracy of pull-off test.
Description
Technical field
It the utility model is related to and be glued aluminium honeycomb sandwich construction test equipment technical field, particularly relate to a kind of splicing aluminium bee
Nest sandwich front built-in fitting pull-off test fixture.
Background technology
Being glued aluminium honeycomb sandwich construction has specific strength is high, shock resistance is good, vibration damping, saturating microwave, designability are strong etc.
Advantage, is one of indispensable structural material in aerospace field at present.
It is glued aluminium honeycomb sandwich construction to generally comprise：Thin aluminum deck, the thin plate of sandwich outer layer；Aluminium honeycomb core, aluminium
The light-weight filler for the hexagonal grid shape that paper tinsel passes through cementing processing；Inserts, is embedded in honeycomb sandwich construction with adhesive,
A kind of fastener being connected for honeycomb sandwich construction with other structures part or equipment room；Built-in fitting is honeycomb sandwich construction shaping
During, inserts therein is embedded in advance.It is basic structure member to be glued aluminium honeycomb sandwich construction, and each parts are mutual
The connection asked relies primarily on built-in fitting to realize.Built-in fitting is glued to be embedded in by using adhesive is glued aluminium honeycomb sandwich construction
In.
Different front built-in fittings is inlayed in aluminium honeycomb sandwich construction, front built-in fitting bears load, and load passes through front
Built-in fitting transmission is simultaneously distributed in total, it is seen then that the ability that front built-in fitting bears load directly affects the reliable of structure
Property, the destructive power that pulls of front built-in fitting is the most important mechanical property that investigation aluminium honeycomb and front built-in fitting bear load
Can index.
But in the prior art, not dedicated in aluminium honeycomb sandwich construction front built-in fitting pull-off test is glued
The fixture clamped to being glued aluminium honeycomb sandwich construction front built-in fitting, have impact on the efficiency and accuracy of pull-off test.
Utility model content
In view of this, the purpose of this utility model is that proposing that a kind of aluminium honeycomb sandwich construction front built-in fitting that is glued pulls
Test fixture, can effectively be clamped to being glued aluminium honeycomb sandwich construction front built-in fitting, improve the efficiency of pull-off test with
Accuracy.
Based on a kind of above-mentioned purpose splicing aluminium honeycomb sandwich construction front built-in fitting pull-off test provided by the utility model
Fixture, including：Top board, lower platen, head rod, the second connecting rod；The top board and lower platen are used to that aluminium will to be glued
Honeycomb sandwich construction front built-in fitting sample holder therebetween, and the top board, the lower platen and it is described splicing aluminium honeycomb
The central axis of sandwich front built-in fitting sample overlaps；It is fastened by bolts between the top board and lower platen；It is described
The opening of certain diameter is provided with the axial centerline of top board, for the splicing aluminium honeycomb sandwich construction front is pre-
Built-in fitting on embedded part sample exposes；The head rod includes first end of thread and the first connection nose end, first spiral shell
Line end is connected to the built-in fitting, and described first connects the lower contact of the testing machine outside nose end connection；The lower platen is remote
A tapped blind hole is provided with the axial centerline of the plate face of the top board；Second connecting rod includes second end of thread
With the second connection nose end, second end of thread is connected to the tapped blind hole, the second connection nose end connection and testing machine
The top connection of pulling force sensor connection.
In some embodiments, the top board and lower platen are light titanium alloy material.
In some embodiments, the lower platen is provided with the plate face of the top board for placing the glue
Connect the auxiliary line of aluminium honeycomb sandwich construction front built-in fitting sample.
In some embodiments, the auxiliary line is square, and its size is glued aluminium honeycomb sandwich construction with described
The profile of front built-in fitting sample matches.
In some embodiments, the plate face shape of the top board and lower platen is square；The top board and
Perpendicular to plate face, for setting the bolt through hole is both provided with the panel corner location of lower platen.
From the above it can be seen that splicing aluminium honeycomb sandwich construction front provided by the utility model built-in fitting pulls examination
Fixture is tested, the device is ingenious in design rationally, meets that the mechanics of the splicing aluminium honeycomb sandwich construction front built-in fitting pull-off test is surveyed
Examination demand, is easy for installation and removal, and test automatically controls, and data are accurately reliable, substantially increases testing efficiency；The device designs
Simple and reliable, fit precision is high, easy to use, is easily promoted in working practice.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the splicing aluminium honeycomb sandwich construction front sample structure schematic diagram in the embodiment of the present invention；
Fig. 2 is the splicing aluminium honeycomb sandwich construction front specimen cross section structure diagram in the embodiment of the present invention；
Fig. 3 is that the splicing aluminium honeycomb sandwich construction front built-in fitting pull-off test clamp structure of the utility model embodiment shows
It is intended to；
Fig. 4 is the top board structure diagram in the utility model embodiment；
Fig. 5 is the pushing plate structure schematic diagram in the utility model embodiment.
Embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below in conjunction with specific embodiment, and
Referring to the drawings, the utility model is further described.
It should be noted that all statements for using " first " and " second " are for differentiation two in the embodiment of the present invention
The non-equal entity of a same names or non-equal parameter, it is seen that " first " " second " should not only for the convenience of statement
The restriction to the embodiment of the present invention is interpreted as, following embodiment no longer illustrates this one by one.
With reference to figure 1 and Fig. 2, as the clamping object of the fixture of the embodiment of the present invention, it is glued aluminium honeycomb sandwich construction front
Sample includes：Built-in fitting 011, panel 012, fuse 013.It is glued (rear referred to as " the positive interview of aluminium honeycomb sandwich construction front sample
Sample ") panel 012 for square, a built-in fitting 011 is provided with heart position wherein, which hangs down for axis direction
Directly in the threaded female fastener of panel.
With reference to figure 3, the splicing aluminium honeycomb sandwich construction front built-in fitting pull-off test fixture of the embodiment of the present invention, including：
Top board 1, lower platen 2, head rod 3, the second connecting rod 4.Top board 1, the plate face shape of lower platen 2 are square,
It is identical with the shape of front sample.Top board 1 and lower platen 2 are used to clamp front sample 010 therebetween.On as shown in figure 3,
Specific location relation between pressing plate 1, lower platen 2 and front sample 010 is：Top board 1, lower platen 2 and front sample 010
Central axis overlap.As preference, the top board 1 maximum on the influence of whole clamp weight and lower platen 2 use lightweight
Titanium alloy material is made.
In order to realize top board 1 and lower platen 2 aligns interview 010 fastening clamp effect of sample, top board 1 and lower platen 2 it
Between be fastened by bolts.Specifically, perpendicular to plate face, use is both provided with the panel corner location of top board 1 and lower platen 2
In the through hole 10 for setting bolt.Wherein, with reference to figure 3, eight 6, four, nut hexagon-headed bolts of thin nut 5, four are provided with altogether
7th, four spring washers 8 and 12 plain washers 9 realize combination assembly connection.
With reference to figure 3 and Fig. 4, the opening 101 of certain diameter, opening 101 are provided with the axial centerline of top board 1
Position it is corresponding with the position of the built-in fitting 011 on front sample 010, for built-in fitting 011 to be exposed.Correspondingly, first
Connecting rod 3 includes first end of thread 301 and the first connection nose end 302；Wherein, first end of thread 301 is connected by thread fitting
To built-in fitting 011, the lower contact being connected with testing machine that the first connection nose end 302 is used to connect outside with reference to figure 3 and Fig. 5, under
A tapped blind hole 201 is provided with the axial centerline of plate face of the pressing plate 2 away from top board 1.Correspondingly, the second connecting rod 4
Including second end of thread 401 and the second connection nose end 402；Wherein, second end of thread 401 is connected to screw thread by thread fitting
Blind hole 201, the second connection nose end 402 are used for the top connection being connected with testing machine pulling force sensor for connecting outside.On lower platen 2
Tapped blind hole 201 design, front sample 010 is touched on top when can avoid the second connecting rod 4 from being threaded into 2 internal thread of lower platen,
It is easy for installation and removal.Further, as preference, lower platen 2 is provided with the plate face of top board 1 for placing just
Interview the auxiliary line of sample 010.The auxiliary line is square, and its size and the profile of front sample 010 match, preferable to omit
More than the full-size of front sample 010, for 010 installation site of convenient definite front sample.
Based on above preferred embodiment, with reference to figure 3, Fig. 4 and Fig. 5, the splicing aluminium honeycomb of the utility model embodiment is used
The test process that sandwich front built-in fitting pull-off test fixture carries out pulling-out force test is as follows：
Existing testing machine is used when step 1, test, selects the splicing aluminium honeycomb sandwich construction of the utility model embodiment
Front built-in fitting pull-off test fixture, marks each specimen coding.
Step 2, be first inserted in four hexagon-headed bolts 7 (afterwards referred to as respectively by four spring washers 8 and four plain washers 9
" sub-assembly "), it is inserted into respectively after combination in four through holes 10 of lower platen 2, and respectively with four plain washers 9 and eight thin nuts
Lower platen 2 and sub-assembly are tightened fixation by 5 with spanner.
Front sample 010, be then placed in the square auxiliary line of lower platen 2 simultaneously between two parties by step 3；Then by upper pressure
Four through holes 10 of plate 1 are inserted in four 7 ends of thread of hexagon-headed bolt and top board 1 are freely placed on front sample 010 respectively；
Four plain washers 9 and four nuts 6 are screwed into four 7 ends of thread of hexagon-headed bolt and by top board 1 and front sample respectively again
010 tightens fixation.
Step 4, then, second end of thread 401 of the second connecting rod 4 is screwed into the tapped blind hole 201 of lower platen 2 and is in
Free state；Then the second connection nose end 402 of the second connecting rod 4 assembled is connected with testing machine pulling force sensor
The hole of top connection aligns and uses pin to be connected connecting rod 4 with testing machine, and experiment machine power is reset.
Step 5, finally twist first end of thread 301 of head rod 3 is (consistent with 011 screw thread nominal size of built-in fitting)
Enter built-in fitting 011 and be in free state, the first connection nose end 302 of the head rod 3 assembled is connected with testing machine
The hole of lower contact aligns and uses pin to be connected head rod 3 with testing machine, ensures that pull-off test sample center line is carried with applying
Lotus axis is consistent.
Testing machine correlation step software for editing program is pressed in step 6, test, and test automatically controls, with the experiment of 5mm/min
Speed continuously loads the sample assembled, is destroyed to sample, and the maximum, force during record experiment, which is used as, pulls destructive power
Fm, observes and records sample failure mode.
As seen from the above-described embodiment, the splicing aluminium honeycomb sandwich construction front built-in fitting of the utility model embodiment pulls examination
Fixture is tested, is had the advantages that：
(1) top board 1 of the fixture of the utility model, lower platen 2 use light titanium alloy material processing and fabricating, top board
1st, there are four through holes 10 perpendicular to plate face on lower platen 2；Nut 6, thin nut 5, hexagon-headed bolt 7, the peace of spring washer 8
Packing ring 9 makes apparatus structure light stainless using the standard fasteners of stainless steel material.
(2) top board 1 of the fixture of the utility model is designed using the opening 101 of certain diameter, is connected with built-in fitting 011
Head rod 3 use the threaded connection design consistent with 011 screw thread nominal size of built-in fitting.
(3) toolholder central axis of the utility model is using 1 central axis of top board, 2 central axis of lower platen and front
010 central axis of sample, three axis overlaps design.Place area of the sample and indicate slightly larger than sample full-size in 2 upper surface of lower platen
Square auxiliary line, convenient definite sample installation site.
(4) fixture of the utility model is located by connecting connection of the fastening using through hole and bolt and nut packing ring standard fasteners
Design, the pin hole connection of the threaded connection design of threaded hole and connecting rod, connecting rod and testing machine design.Top board 1, positive interview
The assembling fastening of sample 010 and lower platen 2 uses four 6, eight, nut, 7, four spring pads of hexagon-headed bolt of thin nut 5, four
8 and 12 plain washers 9 of circle combine assembly connection design, beneficial to locking, installation and removal.
(5) lower platen 2 is designed with its second connecting rod 4 using the connection with 2 center thread fitting of lower platen.Lower platen 2
Center is designed using tapped blind hole 201, is avoided the second connecting rod 4 from being pushed up when being screwed into lower platen 2 and is touched front sample 010, convenient installation
And dismounting.
(6) test is automatically controlled using existing testing machine, and data are accurately reliable, substantially increase testing efficiency.
(7) fixture of the utility model is ingenious in design rationally, and composition is simple, and easy to process and cost is not high.
(8) since the fixture internal structure of the utility model is easily understood, in that context it may be convenient to changed according to different needs
Make.
Those of ordinary skills in the art should understand that：The discussion of any of the above embodiment is exemplary only, not
It is intended to imply that the scope of the present disclosure (including claim) is limited to these examples；Under the thinking of the utility model, the above is real
Applying can also be combined between the technical characteristic in example or different embodiment, and there are the utility model as described above
Many other changes of different aspect, for simplicity, they are not provided in details.Therefore, all spirit in the utility model
Within principle, any omission for being made, modification, equivalent substitution, improvement etc., should be included in the scope of protection of the utility model
Within.
Claims (5)
1. one kind is glued aluminium honeycomb sandwich construction front built-in fitting pull-off test fixture, it is characterised in that including：Top board, under
Pressing plate, head rod, the second connecting rod；The top board and lower platen are used for splicing aluminium honeycomb sandwich construction front is pre-buried
Part sample holder therebetween, and the top board, the lower platen and the splicing aluminium honeycomb sandwich construction front built-in fitting examination
The central axis of sample overlaps；It is fastened by bolts between the top board and lower platen；The axial centerline of the top board
Place is provided with an opening, for the built-in fitting on the built-in fitting sample of the splicing aluminium honeycomb sandwich construction front to be exposed；It is described
Head rod includes first end of thread and the first connection nose end, and first end of thread is connected to the built-in fitting, and described the
The lower contact of testing machine outside one connection nose end connection；The central axis of plate face of the lower platen away from the nearly top board
A tapped blind hole is provided with position；Second connecting rod includes second end of thread and the second connection nose end, second spiral shell
Line end is connected to the tapped blind hole, the top connection that the second connection nose end connection is connected with testing machine pulling force sensor.
2. splicing aluminium honeycomb sandwich construction front according to claim 1 built-in fitting pull-off test fixture, it is characterised in that
The top board and lower platen are light titanium alloy material.
3. splicing aluminium honeycomb sandwich construction front according to claim 1 built-in fitting pull-off test fixture, it is characterised in that
The lower platen is provided with pre-buried for placing the splicing aluminium honeycomb sandwich construction front in the plate face of the top board
The auxiliary line of part sample.
4. splicing aluminium honeycomb sandwich construction front according to claim 3 built-in fitting pull-off test fixture, it is characterised in that
The auxiliary line is square, and its size and the profile phase of splicing aluminium honeycomb sandwich construction front built-in fitting sample
Match somebody with somebody.
5. splicing aluminium honeycomb sandwich construction front according to claim 4 built-in fitting pull-off test fixture, it is characterised in that
The plate face shape of the top board and lower platen is square；It is all provided with the panel corner location of the top board and lower platen
It is equipped with perpendicular to plate face, for setting the bolt through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721271249.1U CN207318235U (en) | 2017-09-29 | 2017-09-29 | One kind is glued aluminium honeycomb sandwich construction front built-in fitting pull-off test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721271249.1U CN207318235U (en) | 2017-09-29 | 2017-09-29 | One kind is glued aluminium honeycomb sandwich construction front built-in fitting pull-off test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207318235U true CN207318235U (en) | 2018-05-04 |
Family
ID=62428667
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721271249.1U Active CN207318235U (en) | 2017-09-29 | 2017-09-29 | One kind is glued aluminium honeycomb sandwich construction front built-in fitting pull-off test fixture |
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| Country | Link |
|---|---|
| CN (1) | CN207318235U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110031330A (en) * | 2019-03-07 | 2019-07-19 | 航天科工防御技术研究试验中心 | A kind of test sample, preparation method and the test method of ceramic coating bond strength |
| CN112945714A (en) * | 2021-02-03 | 2021-06-11 | 南京航空航天大学 | Clamping detection device based on pull-out test and use method thereof |
-
2017
- 2017-09-29 CN CN201721271249.1U patent/CN207318235U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110031330A (en) * | 2019-03-07 | 2019-07-19 | 航天科工防御技术研究试验中心 | A kind of test sample, preparation method and the test method of ceramic coating bond strength |
| CN112945714A (en) * | 2021-02-03 | 2021-06-11 | 南京航空航天大学 | Clamping detection device based on pull-out test and use method thereof |
| CN112945714B (en) * | 2021-02-03 | 2022-12-13 | 南京航空航天大学 | Clamping detection device based on pull-out test and use method thereof |
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