CN207396148U - Adhesive tensile shear sample preparation clamping - Google Patents
Adhesive tensile shear sample preparation clamping Download PDFInfo
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- CN207396148U CN207396148U CN201720967364.6U CN201720967364U CN207396148U CN 207396148 U CN207396148 U CN 207396148U CN 201720967364 U CN201720967364 U CN 201720967364U CN 207396148 U CN207396148 U CN 207396148U
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- tensile shear
- adhesive tensile
- cantilever
- shear sample
- mandril
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Abstract
The utility model is related to physico-chemical examination technique field, more particularly to a kind of adhesive tensile shear sample preparation clamping, including pedestal, column, mandril, cantilever, hanging and positioning pin；Column is fixed on pedestal；One end of cantilever is flexibly connected with column, and hanging is hung on cantilever, and counterweight is provided in hanging；Adhesive tensile shear sample is arranged on pedestal, and mandril is arranged on directly over adhesive tensile shear sample, and one end of mandril is connected with cantilever, and the other end of mandril is abutted with adhesive tensile shear sample.Adhesive tensile shear sample preparation clamping provided by the utility model, change the adjustment for realizing force value by the arm of force, it is calculated with the counterweight weight of loading, the surface of adhesive tensile shear sample is applied to after the gravimetric value amplification several times of counterweight by mandril, it realizes and the big load of adhesive tensile shear sample is accurately loaded, improve the preparation quality of adhesive tensile shear sample.
Description
Technical field
The utility model is related to physico-chemical examination technique field, more particularly to a kind of adhesive tensile shear sample prepares folder
Tool.
Background technology
In aerospace field, adhesive uses extensively, and tensile shear strength is typically to evaluate adhesive mechanical property
Key index.For specification adhesive tensile shear(ing) test, the accuracy and reliability of test data is improved, has promulgated national mark
Quasi- GB/T 7124-2008《The measure of adhesive tensile shear strength (rigid material is to rigid material)》, clear stipulaties in standard
The contents such as strip materials, size and test piece bonding requirements require standard regulation using fixture for sample preparation, but unknown
True fixture pattern.
For glue sticking, sample preparation quality is larger to the determination influences of tensile shear strength, influences to prepare quality
Factor mainly have position, bondline thickness, hardening time etc. between test piece.Standard regulation generally uses 12.5mm × 25mm aluminium
Alloy test piece is bonded, and on-load pressure is in 0.5MPa~1.5MPa scopes and heating cure.Since bond area is small (generally
12.5mm × 10mm), it is limited by heating compartment space, it is difficult to realize that big load accurately loads.In addition, adding after test piece bonding
Carry in curing, glue initial flow can cause it is opposite between test piece deflect, slide, sample stress during so as to change shearing test
And influence test result.
Utility model content
The utility model solves gluing in the prior art by providing a kind of adhesive tensile shear sample preparation clamping
The technical issues of big load accurately loads is difficult to realize in agent tensile shear sample preparation, adhesive is improved and stretches fine cut
The preparation quality of sample.
The utility model provides a kind of adhesive tensile shear sample preparation clamping, including pedestal, column, mandril, outstanding
Arm and hanging；The column is fixed on the pedestal；
One end of the cantilever is flexibly connected with the column, and the hanging hangs on the other end of the cantilever, described
Counterweight is provided in hanging；
The adhesive tensile shear sample is arranged on the pedestal, and the mandril is arranged on the adhesive stretching and cuts
It cuts directly over sample, one end of the mandril is connected with the cantilever, and the other end of the mandril is cut with adhesive stretching
Cut sample abutting.
Further, positioning pin is further included；The positioning pin passes through the adhesive tensile shear sample and the pedestal
It is fixedly connected.
Further, the mandril is flexibly connected by axis pin with the cantilever.
Further, the column upper end is provided with mounting groove；One end of the cantilever is arranged in the mounting groove；
Offer to install the first mounting hole of the crossbeam on the cantilever, the crossbeam is through the described first installation
Hole and the cantilever；The cantilever rotates at an angle around the crossbeam.
Further, the lower end of the column is fixed on by nut on the pedestal.
Further, the hanging includes drag hook and pallet；The pallet is fixedly connected with the drag hook lower end, the drawing
The upper end of hook is suspended on the cantilever.
One or more technical solution provided by the utility model, at least possesses following advantageous effect or advantage：
Adhesive tensile shear sample preparation clamping provided by the utility model, hanging, cantilever and mandril form lever knot
Structure changes the adjustment for realizing force value by the arm of force, is calculated with the counterweight weight of loading, leads to after the gravimetric value amplification several times of counterweight
The surface that mandril is applied to adhesive tensile shear sample is crossed, adhesive tensile shear sample can be met and cure loading demands, it is real
Show and the big load of adhesive tensile shear sample has accurately been loaded, improved the preparation quality of adhesive tensile shear sample.
Further, adhesive tensile shear sample preparation clamping provided by the utility model, positioning pin are drawn through adhesive
It stretches shearing sample to be fixedly connected with pedestal, /V is carried out to adhesive tensile shear sample by positioning pin, at the beginning of can preventing glue
Beginning to flow can cause deflect, slide relatively between test piece, avoid sample stress during change shearing test and influence test result.
Description of the drawings
Fig. 1 is the adhesive tensile shear sample preparation clamping structure diagram that the utility model embodiment provides；
Fig. 2 is the top view of Fig. 1 in the utility model embodiment.
Specific embodiment
The utility model embodiment solves the prior art by providing a kind of adhesive tensile shear sample preparation clamping
The technical issues of big load accurately loads is difficult to realize in middle adhesive tensile shear sample preparation, improves adhesive drawing
Stretch the preparation quality of fine cut sample.
Referring to Fig. 1 and Fig. 2, the utility model embodiment provides a kind of adhesive tensile shear sample preparation clamping, bag
Include pedestal 1, column 3, mandril 5, cantilever 6 and hanging；One end of cantilever 6 is flexibly connected with column 3, and it is another that hanging hangs on cantilever 6
On one end, counterweight is provided in hanging；Adhesive tensile shear sample 2 is arranged on pedestal, and mandril 5 is arranged on adhesive stretching
It shears directly over sample 2, one end of mandril 5 is connected with cantilever 6, and the other end and the adhesive tensile shear sample 2 of mandril 5 support
It connects.
The adhesive tensile shear sample preparation clamping provided as a kind of preferred embodiment, the utility model embodiment
Further include positioning pin 8；Positioning pin 8 is fixedly connected through adhesive tensile shear sample 2 with pedestal 1.
As a kind of preferred embodiment, mandril 5 is flexibly connected by axis pin with the cantilever 6.
As a kind of preferred embodiment, 3 upper end of column is provided with mounting groove；One end of cantilever 6 is arranged in mounting groove.
The both sides of mounting groove offer the mounting hole parallel to pedestal 1, and crossbeam 11 passes through mounting hole and cantilever 6；Cantilever 6 is in around crossbeam 11
Certain angle rotates.
As a kind of preferred embodiment, the lower end of column 3 is fixed on by nut 9 on pedestal 1.
As a kind of preferred embodiment, hanging includes drag hook 7 and pallet 10；Pallet 10 is fixedly connected with 7 lower end of drag hook,
The upper end of drag hook 7 is suspended on cantilever 6.
With reference to Figure of description and specific embodiment to adhesive tensile shear sample provided by the utility model
Fixture is prepared to illustrate：
Referring to Fig. 1 and Fig. 2, present embodiments provide a kind of adhesive tensile shear sample preparation clamping, including pedestal 1,
Column 3, mandril 5, cantilever 6, hanging and positioning pin 8.The lower end of column 3 is fixed on by nut 9 on pedestal 1, column 3 it is upper
End is provided with mounting groove.It offers that the first mounting hole of crossbeam 11 is installed on cantilever 6, pacify for installing the second of mandril 5
Hole and the 3rd mounting hole for hanging hanging are filled, the first mounting hole, the second mounting hole and the 3rd mounting hole are the bottom of parallel to
Seat 1 is set.The distance between second mounting hole center and the 3rd mounting hole center are the first mounting hole center and the second mounting hole
Three times of the distance between center.One end of cantilever 6 is arranged in mounting groove, and crossbeam 11 passes through the first mounting hole and cantilever 6, is hanged
Arm 6 can at an angle be rotated around crossbeam 11.Hanging includes drag hook 7 and pallet 10, and pallet 10 is fixedly connected with 7 lower end of drag hook,
Counterweight is provided on pallet 10, the upper end of drag hook 7 is suspended on cantilever 6.Adhesive tensile shear sample 2 is arranged on pedestal 1,
Mandril 5 is arranged on directly over adhesive tensile shear sample 2, and one end of mandril 5 is flexibly connected by axis pin 4 with cantilever 6, mandril
5 other end is abutted with adhesive tensile shear sample 2.Positioning pin 8 is fixed through adhesive tensile shear sample 2 with pedestal 1
Connection.
In adhesive tensile shear sample 2 carries out cure under pressure process, such as it is loaded directly into, because forced area is smaller, and
Loaded load is relatively large, is technically difficult to realize.Adhesive tensile shear sample preparation clamping provided in this embodiment, due to
Hanging with three times that the distance of mandril 5 is hanging and 3 distance of column, according to lever principle, after the gravimetric value quadruplication of counterweight
The surface of adhesive tensile shear sample 2 is applied to by mandril 5, adhesive tensile shear sample 2 can be fully met and cure load
Lotus requires.Integrally-built stability and compactedness are considered in the design of pedestal 1, due to the leverage of 6 structure of cantilever, are caused
Whole center of gravity Forward does not ensure that fixture is unlikely to unstability overturning, and the length dimension design of pedestal 1 is bigger compared with 6 length of cantilever.For
Ensure that the test piece in loading cures of adhesive tensile shear sample 2 is not shifted, slid, 8 auxiliary positioning of Design Orientation pin, it is fixed
With the hole on adhesive tensile shear sample 2 using smaller clearance fit, guarantee positioning pin 8 is easily installed or dismantles position pin 8,
Do not influence positioning accuracy simultaneously.
Referring to Fig. 1 and Fig. 2, the application method of adhesive tensile shear sample preparation clamping provided in this embodiment is：It will
The two panels adhesive tensile shear sample 2 of adhesive has been smeared by the positioning pin on the difference inserted base 1 of hole, has then been adjusted
Angle between adhesive tensile shear sample 2 ensures different 2 axis of adhesive tensile shear sample in a coaxial line
On, second adhesive tensile shear sample 2 is stacked in the same fashion, until placing six adhesive tensile shear samples 2.
Suitable mandril 5 is selected, ensures that cantilever 6 is in horizontality after loading, is required further according to loading stress as defined in technical conditions,
Increased counterbalance mass is answered in calculating in hanging, by adhesive tensile shear specimen holder it is next be integrally placed to heat in baking oven it is solid
Change, realize the preparation to adhesive tensile shear sample 2.
One or more technical solution provided by the utility model, at least possesses following advantageous effect or advantage：
Referring to Fig. 1 and Fig. 2, adhesive tensile shear sample preparation clamping provided by the utility model, hanging, cantilever 6 and
Mandril 5 forms lever construction, changes the adjustment for realizing force value by the arm of force, is calculated with the counterweight weight of loading, the weight of counterweight
The surface of adhesive tensile shear sample 2 is applied to after magnitude amplification several times by mandril 5, adhesive stretching can be fully met and cut
It cuts sample 2 and cures loading demands, realize and the big load of adhesive tensile shear sample 2 is accurately loaded, improve adhesive
The preparation quality of tensile shear sample 2.Further, adhesive tensile shear sample preparation clamping provided by the utility model, it is fixed
Position pin 8 is fixedly connected through adhesive tensile shear sample 2 with pedestal 1, by positioning pin 8 to adhesive tensile shear sample 2
/V is carried out, prevents glue initial flow from can cause deflect, slide relatively between test piece, sample stress when avoiding changing shearing test
State and influence test result.
It should be noted last that more than specific embodiment is only to illustrate the technical solution of the utility model rather than limit
System, although the utility model is described in detail with reference to example, it will be understood by those of ordinary skill in the art that, it can be right
The technical solution of the utility model is modified or replaced equivalently, without departing from the spirit and model of technical solutions of the utility model
It encloses, should all cover among the right of the utility model.
Claims (6)
1. a kind of adhesive tensile shear sample preparation clamping, which is characterized in that including pedestal, column, mandril, cantilever and hang
It hangs；The column is fixed on the pedestal；
One end of the cantilever is flexibly connected with the column, described to hang the other end for hanging on the cantilever, the hanging
On be provided with counterweight；
The adhesive tensile shear sample is arranged on the pedestal, and the mandril is arranged on the adhesive tensile shear examination
Directly over sample, one end of the mandril is connected with the cantilever, and the other end of the mandril is tried with the adhesive tensile shear
Sample abuts.
2. adhesive tensile shear sample preparation clamping as described in claim 1, which is characterized in that further include positioning pin；Institute
Positioning pin is stated to be fixedly connected with the pedestal through the adhesive tensile shear sample.
3. adhesive tensile shear sample preparation clamping as claimed in claim 2, which is characterized in that the mandril passes through axis pin
It is flexibly connected with the cantilever.
4. adhesive tensile shear sample preparation clamping as claimed in claim 3, which is characterized in that the column upper end is set
There is mounting groove；One end of the cantilever is arranged in the mounting groove；
Offer to install the first mounting hole of crossbeam on the cantilever, the crossbeam is through first mounting hole and described
Cantilever；The cantilever rotates at an angle around the crossbeam.
5. such as claim 1-4 any one of them adhesive tensile shear sample preparation clampings, which is characterized in that the column
Lower end be fixed on by nut on the pedestal.
6. such as claim 1-4 any one of them adhesive tensile shear sample preparation clampings, which is characterized in that the hanging
Including drag hook and pallet；The pallet is fixedly connected with the drag hook lower end, and the upper end of the drag hook is suspended on the cantilever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720967364.6U CN207396148U (en) | 2017-08-04 | 2017-08-04 | Adhesive tensile shear sample preparation clamping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720967364.6U CN207396148U (en) | 2017-08-04 | 2017-08-04 | Adhesive tensile shear sample preparation clamping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207396148U true CN207396148U (en) | 2018-05-22 |
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ID=62418965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720967364.6U Active CN207396148U (en) | 2017-08-04 | 2017-08-04 | Adhesive tensile shear sample preparation clamping |
Country Status (1)
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|---|---|
| CN (1) | CN207396148U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060516A (en) * | 2018-08-20 | 2018-12-21 | 上海航天化工应用研究所 | A kind of vulcanized rubber and metal adhesive tensile shear strength sample preparation clamping |
| CN111551449A (en) * | 2020-05-15 | 2020-08-18 | 沈阳飞机工业（集团）有限公司 | Fixing device for shear strength test sample and using method |
| CN112525637A (en) * | 2020-11-20 | 2021-03-19 | 昌河飞机工业（集团）有限责任公司 | Accurate pressurization gluing clamp |
-
2017
- 2017-08-04 CN CN201720967364.6U patent/CN207396148U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060516A (en) * | 2018-08-20 | 2018-12-21 | 上海航天化工应用研究所 | A kind of vulcanized rubber and metal adhesive tensile shear strength sample preparation clamping |
| CN111551449A (en) * | 2020-05-15 | 2020-08-18 | 沈阳飞机工业（集团）有限公司 | Fixing device for shear strength test sample and using method |
| CN112525637A (en) * | 2020-11-20 | 2021-03-19 | 昌河飞机工业（集团）有限责任公司 | Accurate pressurization gluing clamp |
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