CN206906146U - A kind of tensile property test fixture - Google Patents
A kind of tensile property test fixture Download PDFInfo
- Publication number
- CN206906146U CN206906146U CN201720464202.0U CN201720464202U CN206906146U CN 206906146 U CN206906146 U CN 206906146U CN 201720464202 U CN201720464202 U CN 201720464202U CN 206906146 U CN206906146 U CN 206906146U
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- China
- Prior art keywords
- fastener
- test fixture
- tensile property
- nut
- property test
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Abstract
A kind of tensile property test fixture, the test fixture include upper fixture, lower clamp, and the upper fixture, lower clamp structure are identical, are relatively fixed up and down on the pedestal；For the lower clamp into the U-shape structure of an opening, the both ends of the U-shape structure are provided with closing-in structure；The first fastener that can be fed is installed at left and right sides of the U-shape structure, the second fastener that can be fed is installed at left and right sides of the closing-in structure；The outer end of two first fasteners is connected by the first nut, and the outer end of two second fasteners is connected by the second nut.The utility model reduces existing error precision, while controls the feeding of fastener, and coarse adjustment and accurate adjustment both of which can be used to test specimen, and the clamping for the test specimen that can also make more is stablized；Rational in infrastructure simple, strong applicability, frock is simple, is a kind of safe and reliable and practical tensile testing clamps.
Description
Technical field
A kind of material properties test fixture that the utility model is related to, more particularly, to a kind of stretching of adhesive for building
Performance test fixture.
Background technology
The research object of tension test is deformational behavior of the fixed gauge length under load effect, therefore load transmission is steady
Property, it is to obtain premise and the guarantee of the strong plasticity energy of material to load the centering of axis and the one-way of gauge length deformation.Wherein, press from both sides
The interaction of tool and test specimen is the key of load effectively transmission and measurement.And screw thread is generally between existing fixture and test specimen
The screws of manual alignment jig both sides clamps test specimen, and it is inconsistent the feeding distance of left and right not only easily occur, it may also occur that drawing
Stretch the actual axis of the test specimen in experiment and the larger phenomenon of deviation of theoretical axis.
The content of the invention
The utility model is to overcome above-mentioned the problems of the prior art, there is provided a kind of tensile property test fixture, it is described
Test fixture reduces existing error precision, while controls the feeding of fastener, ensure that the identical amount of feeding, secondly described in
Test fixture contains two level bite, not only can use coarse adjustment and accurate adjustment both of which to test specimen, the test specimen that can also make
Clamping is more stable.The utility model is rational in infrastructure simple, and strong applicability, frock is simple, is a kind of safe and reliable and practical
Tensile testing clamps.
Above-mentioned purpose of the present utility model is achieved by the following technical programs.
A kind of tensile property test fixture, the test fixture include upper fixture, lower clamp, the upper fixture, lower folder
Lamps structure is identical, is relatively fixed up and down on a pedestal；
For the lower clamp into the U-shape structure of an opening, the both ends of the U-shape structure are provided with closing-in structure；
The first fastener that can be fed, the left and right sides of the closing-in structure are installed at left and right sides of the U-shape structure
The second fastener that can be fed is installed；
The outer end of two first fasteners is connected by the first nut, the outer end of two second fasteners
It is connected by the second nut.
The utility model provides a kind of tensile property test fixture, and the upper fixture of the test fixture, lower clamp are located at
On pedestal, up and down relatively, all with identical mechanical mechanism；Can feed first is installed at left and right sides of the U-shape structure
Fastener, the second fastener that can be fed is installed at left and right sides of the closing-in structure；First fastener and described
Two fasteners are used for clamping test pieces, control first fastener and described second by the first nut, the second nut respectively
The amount of feeding of fastener, wherein, first nut is rotated, two first fasteners all move therewith, rotate described the
Two nuts, two second fasteners also all move therewith.
Preferably, the fastening section of first fastener and the second fastener is provided with screw thread, first fastener
Thread pitch is more than the thread pitch of second fastener.First fastener and the second fastener are by fastening section
Tightness between threaded adjusting fastener and test specimen, two level regulation is carried out to test specimen, from different thread pitch, then may be used
To carry out coarse adjustment and accurate adjustment to test specimen；Secondly, there are two clamping points in one end of test specimen, strengthen that test specimen is stepped up to act on, drop
Error of the low test specimen in tension test.
Preferably, the inner end of first fastener and the second fastener is square structure；In the experiment of adhesive for building
In, the test specimen is rectangular parallelepiped structure, then the area that fastener contacts with test specimen is more abundant, it also avoid test specimen and skids
Phenomenon.
It is further preferred that to improve the static friction system between first fastener and the second fastener and test specimen,
Contact surface to fastener carries out anti-skidding processing, i.e. the inner end surface of first fastener and the second fastener is all provided with
There is irregular concave-convex type texture.
Preferably, first nut and second nut are ball screw nut；Described in the first nut control
The feeding of first fastener, second nut control the feeding of second fastener, using ball screw nut, improved
The feed accuracy of fastener.
It is further preferred that the precision of second nut is higher than the precision of first nut.
Preferably, pressure sensor is additionally provided between the upper fixture and the pedestal, for turning power in tension test
Turn to digital information.
It is further preferred that the pressure sensor is single or multiple；The numerical value of multiple pressure sensors is using average
Value.
Preferably, the pedestal is rotatable base；The anglec of rotation of pedestal can be adjusted according to the true form of test specimen,
So that the contact surface of test specimen and fixture is more abundant.
Compared with prior art, the beneficial effects of the utility model are：Provide a kind of tensile property test fixture, institute
State test clip and include lower clamp in structure identical；Fixture is in into a U-shape structure for carrying closing-in structure, the U-shape structure
The left and right sides the first fastener that can be fed is installed, it is tight to be provided with can feed second at left and right sides of the closing-in structure
Firmware；First fastener and second fastener are used for clamping test pieces, are controlled respectively by the first nut, the second nut
The amount of feeding of first fastener and second fastener is made, wherein the first fastener can carry out coarse adjustment to the amount of feeding,
Second fastener can carry out accurate adjustment to the amount of feeding.The test fixture reduces existing error precision, while controls fastening
The feeding situation of part, ensure that the identical amount of feeding, and secondly the test fixture contains two level bite, not only can be to test specimen
Using coarse adjustment and accurate adjustment both of which, the clamping for the test specimen that can also make is more stable.The utility model is rational in infrastructure simple, fits
Strong with property, frock is simple, is a kind of safe and reliable and practical tensile testing clamps.
Brief description of the drawings
Fig. 1 is a kind of lower clamp front view schematic cross-sectional view of the tensile property test fixture of embodiment 1.
Fig. 2 is a kind of lower clamp main view portion schematic diagram of the tensile property test fixture of embodiment 1..
Fig. 3 is a kind of lower clamp schematic top plan view of tensile property test fixture of embodiment 1.
Fig. 4 is a kind of upper fixture front view schematic cross-sectional view of the tensile property test fixture of embodiment 2.
In figure：1st, upper fixture；2nd, lower clamp；201st, U-shape structure；202nd, closing-in structure；301st, the first fastener；302nd,
Two fasteners；303rd, the first ball screw nut；304th, the second ball screw nut；305th, square structure；306th, concave-convex type line
Network；4th, pedestal；401st, revolving part；5th, pressure sensor.
Embodiment
Clear, complete description is carried out to the technical scheme of each embodiment in the utility model below with reference to accompanying drawing, shown
So, described embodiment is only part of the embodiment of the present utility model, rather than whole embodiments.Based on this practicality
New embodiment, those of ordinary skill in the art's all other reality resulting on the premise of creative work is not made
Example is applied, belongs to the scope that the utility model is protected.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.It is pointed out that all accompanying drawings are exemplary expression.For the general of this area
For logical technical staff, concrete meaning of the above-mentioned term in the utility model can be understood with concrete condition.
The utility model is described in further detail below by specific examples of the implementation and with reference to accompanying drawing.
Embodiment 1
As shown in Figures 1 to 3, a kind of tensile property test fixture, the test fixture include upper fixture, lower clamp 2, institute
It is identical to state upper fixture, the structure of lower clamp 2, is relatively fixed up and down on the pedestal 4；U of the lower clamp 2 into an opening
Type structure 201, the both ends of the U-shape structure 201 are provided with closing-in structure 202；The left and right sides of the U-shape structure 201 is provided with
The first fastener 301 that can be fed, the left and right sides of the closing-in structure 202 are provided with the second fastener 302 that can be fed；Two
The outer end of individual first fastener 301 is connected by the first nut, and the outer end of two second fasteners 302 passes through
Second nut is connected, and specifically, first nut and second nut are ball screw nut；First ball wire
Stem nut 303 controls the left and right sides of first fastener 301 while fed, and second ball screw nut 304 controls
The left and right sides of second fastener 302 is fed simultaneously, and further, the precision of second ball screw nut 304 is high
In the precision of the first ball screw nut 303.
A kind of tensile property test fixture is present embodiments provided, upper fixture 1, lower clamp 2 are located on pedestal 4, up and down phase
It is right, all with identical mechanical mechanism；The left and right sides of the U-shape structure 201 is provided with the first fastener 301 that can be fed,
The left and right sides of the closing-in structure 202 is provided with the second fastener 302 that can be fed；First fastener 301 and described
Second fastener 302 is used for clamping test pieces, passes through first ball screw nut 303, the second ball screw spiral shell respectively
Mother 304 controls the amount of feeding of first fastener 301 and second fastener 302, wherein, rotate first ball
Feed screw nut 303, and two first fasteners 301 being connected with first ball screw nut 303 all move therewith；Turn
Second ball screw nut 304 is moved, two second fasteners 302 also all move therewith.
Improve and supplement as to the further of the present embodiment, the fastener 302 of the first fastener 301 and second
Fastening section is provided with screw thread, and the thread pitch of first fastener 301 is more than the thread pitch of second fastener 302,
The thread pitch is unmarked in figure；The inner end of the fastener 302 of first fastener 301 and second is square structure
305；Further, the inner end surface of the fastener 302 of the first fastener 301 and second is equipped with irregular concave-convex type
Texture 306.The fastener 302 of first fastener 301 and second by fasten the threaded adjusting fastener in section and test specimen it
Between tightness, to test specimen carry out two level regulation；Secondly, there are two clamping points in one end of test specimen, strengthen adding test specimen
Tight effect, reduce error of the test specimen in tension test.And in the experiment of adhesive for building, the test specimen is rectangular parallelepiped structure,
The area that then fastener contacts with test specimen is more abundant, it also avoid test specimen and the phenomenon skidded occurs；Contact table to fastener
Face carries out anti-skidding processing, also improves the confficient of static friction between the fastener 302 of the first fastener 301 and second and test specimen,
Enhance clamping effect.
Embodiment 2
As shown in figure 4, the utility model preferred embodiment is to provide a kind of tensile property test fixture, the present embodiment with
The structure of embodiment 1 is similar with operation principle, and is with the difference of embodiment 1, the upper fixture 1 and the pedestal 4
Between be additionally provided with a pressure sensor 5, for power to be converted into digital information in tension test.
As further improving and supplementing to the present embodiment, the pedestal 4 is rotatable base, and the pedestal 4 is logical
Cross a revolving part 401 with the pressure sensor 5 to be connected, the revolving part 401 can use any with rotation in the prior art
The structure of principle；The anglec of rotation of pedestal can be adjusted according to the true form of test specimen so that the contact surface of test specimen and fixture is more
Fully.
Obviously, above-described embodiment of the present utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, in described above
On the basis of can also make other changes in different forms.There is no need and unable to give all embodiments
It is exhaustive.All made within spirit of the present utility model and principle all any modification, equivalent and improvement etc., should be included in
Within the protection domain of the utility model claims.
Claims (9)
- A kind of 1. tensile property test fixture, it is characterised in that the test fixture includes upper fixture, lower clamp, it is described on Fixture, lower clamp structure are identical, are relatively fixed up and down on a pedestal；For the lower clamp into the U-shape structure of an opening, the both ends of the U-shape structure are provided with closing-in structure；The first fastener that can be fed, the left and right sides installation of the closing-in structure are installed at left and right sides of the U-shape structure There is the second fastener that can be fed；The outer end of two first fasteners is connected by the first nut, and the outer end of two second fasteners passes through Second nut is connected.
- 2. a kind of tensile property test fixture according to claim 1, it is characterised in that first fastener and second The fastening section of fastener is provided with screw thread, and the thread pitch of first fastener is more than the screw thread spiral shell of second fastener Away from.
- 3. a kind of tensile property test fixture according to claim 2, it is characterised in that first fastener and second The inner end of fastener is square structure.
- 4. a kind of tensile property test fixture according to claim 3, it is characterised in that first fastener and second The inner end surface of fastener is equipped with irregular concave-convex type texture.
- 5. a kind of tensile property test fixture according to claim 1, it is characterised in that first nut and described Two nuts are ball screw nut.
- 6. a kind of tensile property test fixture according to claim 5, it is characterised in that the precision of second nut is high In the precision of first nut.
- 7. a kind of tensile property test fixture according to claim 1, it is characterised in that the upper fixture and the pedestal Between be additionally provided with pressure sensor.
- 8. a kind of tensile property test fixture according to claim 7, it is characterised in that the pressure sensor is single It is or multiple.
- 9. a kind of tensile property test fixture according to claim 1, it is characterised in that the pedestal is rotatable base Seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720464202.0U CN206906146U (en) | 2017-04-28 | 2017-04-28 | A kind of tensile property test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720464202.0U CN206906146U (en) | 2017-04-28 | 2017-04-28 | A kind of tensile property test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206906146U true CN206906146U (en) | 2018-01-19 |
Family
ID=61291499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720464202.0U Expired - Fee Related CN206906146U (en) | 2017-04-28 | 2017-04-28 | A kind of tensile property test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206906146U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109030194A (en) * | 2018-08-01 | 2018-12-18 | 长沙理工大学 | A assembled anchor clamps for fatigue crack growth rate test |
| CN110806347A (en) * | 2019-11-27 | 2020-02-18 | 东台市华源复合材料有限公司 | Mechanical detection device for filter material |
-
2017
- 2017-04-28 CN CN201720464202.0U patent/CN206906146U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109030194A (en) * | 2018-08-01 | 2018-12-18 | 长沙理工大学 | A assembled anchor clamps for fatigue crack growth rate test |
| CN109030194B (en) * | 2018-08-01 | 2023-12-15 | 长沙理工大学 | Assembled fixture for fatigue crack growth rate test |
| CN110806347A (en) * | 2019-11-27 | 2020-02-18 | 东台市华源复合材料有限公司 | Mechanical detection device for filter material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20180119 |