CN208091819U - A kind of test specimen tensile test equipment clamping device - Google Patents
A kind of test specimen tensile test equipment clamping device Download PDFInfo
- Publication number
- CN208091819U CN208091819U CN201820659001.0U CN201820659001U CN208091819U CN 208091819 U CN208091819 U CN 208091819U CN 201820659001 U CN201820659001 U CN 201820659001U CN 208091819 U CN208091819 U CN 208091819U
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- CN
- China
- Prior art keywords
- fixture
- test specimen
- loop bar
- clamping device
- limit opening
- Prior art date
- 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.)
- Expired - Fee Related
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a kind of test specimen tensile test equipment clamping devices, including the first fixture and the second fixture, it is provided with limit opening at the top of first fixture, Damping material layer is installed on the inside of the limit opening, loop bar is provided with below the limit opening, one end of the loop bar is connected with fixing nut, and the fixing nut is fixed on the outer wall of the first fixture, the loop bar is mounted on the inside of the first fixture, and two symmetrical threaded rods are provided with below the loop bar.By being designed with anti-skidding salient point on contact plate, Damping material layer is installed on the inner wall of limit opening, increase the relative friction forces of test specimen and fixture, enable clamping device rapidly, test specimen is easily and safely installed, ensure phenomena such as bare terminal end of test specimen will not fall off displacement when carrying out tension test, it is ensured that the equipment work safety when accuracy of test result and experiment.
Description
Technical field
The utility model belongs to tensile test equipment accessory technical field, and in particular to a kind of test specimen tensile test equipment use
Clamping device.
Background technology
Tension test refers to that the test method of material property is measured in the case where bearing axial tensile loads.It is obtained using tension test
To data can determine the elastic limit of material, elongation, elasticity modulus, proportional limit, area reduction amount, tensile strength,
Yield point, yield strength and other tensile property indexs.The tension test carried out under high temperature can obtain creep data.It is
One of the basic skills of mechanical property of materials experiment, be mainly used for experimental material whether meet as defined in standard and research material
Performance.Stretching clamp is a retaining mechanism.There is no fixed pattern in structure, it is big according to different samples and test force
Small, difference is very big in structure.The sample of big test force generally uses inclined-plane clamping structure, with the increase of test force, clamping force
Increase therewith, shoulder sample is using suspended structure etc., if fixture is divided by structure, can be divided into wedge-shaped class fixture and (refer to using oblique
Lock the fixture of theory structure in face), to the folder class fixture fixture of theory structure (refer to held out against using single or double screw thread), winding
Class fixture (referring to the fixture that sample is locked by canoe), eccentric class fixture refer to the use (folder of Camlock theory structure
Tool), lever class fixture (referring to the fixture using lever force amplification principle structure) etc..
Existing technology has the following problems：1, when tension test, if test specimen clamping shakiness, which falls off, is easy to happen safety
Accident and test result can be caused inaccurate；It is not square by the way of fixture clamping when 2, for the test of cyclic spring fiber
Just the pulling force data of connector stripping is effectively measured, clamping function is single.
Utility model content
To solve the problems mentioned above in the background art.The utility model provides a kind of test specimen tensile test equipment use
Clamping device has the characteristics that clamping is firm.
To achieve the above object, the utility model provides the following technical solutions：A kind of test specimen tensile test equipment clamping
Device, including the first fixture and the second fixture, are provided with limit opening at the top of first fixture, the limit opening it is interior
Damping material layer is installed in portion, loop bar is provided with below the limit opening, one end of the loop bar is connected with fixed spiral shell
Mother, the fixing nut are fixed on the outer wall of the first fixture, and the loop bar is mounted on the inside of the first fixture, the loop bar
Lower section is provided with two symmetrical threaded rods, and the threaded rod is mounted on the inside of the first fixture, and one end of the threaded rod connects
It is connected to pressurization clamping plate, contact plate is installed on the side side wall of the pressurization clamping plate, several are installed on contact plate
The other end of the anti-skidding salient point of even distribution, the threaded rod is connected with lock handle, and the lock handle is arranged in the first fixture
Outside, the bottom of first fixture is equipped with mounting seat, and second fixture is identical as the first clamp structure, described
Two fixtures are symmetricly set on the top of the first fixture.
Preferably, several installation screws are provided in the mounting seat.
Preferably, the connection type of the Damping material layer and limit opening is adhesion.
Preferably, the anti-skidding salient point is an integral structure with contact plate.
Preferably, the connection type of the loop bar and the first fixture is to be connected together.
Preferably, slow pressure pad circle is provided on the threaded rod, the slow pressure pad circle setting is pressed from both sides in lock handle and first
Between tool.
Compared with prior art, the utility model has the beneficial effects that：
1, the utility model is equipped with damping by being designed with anti-skidding salient point on contact plate on the inner wall of limit opening
Material layer increases the relative friction forces of test specimen and fixture so that clamping device can rapidly, test specimen is easily and safely installed,
Ensure phenomena such as bare terminal end of test specimen will not fall off displacement when carrying out tension test, it is ensured that the accuracy of test result
And equipment work safety when experiment.
2, the utility model is both provided with dismountable loop bar on the first fixture and the second fixture, can be applied to detect
Ring specimen can be sleeved on loop bar and test by the peeling pulling force at the cyclic spring fiber interface of rubber like circle, work(
Can be diversified, it is simple in structure, it is easy to use.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model strap；
In figure：1, the first fixture；2, delay pressure pad circle；3, lock handle；4, fixing nut；5, Damping material layer；6, second
Fixture；7, mounting seat；8, screw is installed；9, pressurize clamping plate；10, limit opening；11, loop bar；12, threaded rod；13, anti-skidding convex
Point；14, contact plate.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, the utility model provides following technical scheme：A kind of test specimen tensile test equipment clamping dress
It sets, including the first fixture 1 and the second fixture 6, the top of the first fixture 1 is provided with limit opening 10, the inside of limit opening 10
On Damping material layer 5 is installed, the connection type of Damping material layer 5 and limit opening 10 is adhesion, the lower section of limit opening 10
It is provided with loop bar 11, one end of loop bar 11 is connected with fixing nut 4, and fixing nut 4 is fixed on the outer wall of the first fixture 1, set
Bar 11 is mounted on the inside of the first fixture 1, and the connection type of loop bar 11 and the first fixture 1 is is connected together, the lower section of loop bar 11
Two symmetrical threaded rods 12 are provided with, threaded rod 12 is mounted on the inside of the first fixture 1, and one end of threaded rod 12, which is connected with, to be added
Clamping plate 9 is pressed, contact plate 14 is installed on the side side wall for the clamping plate 9 that pressurizes, it is equally distributed to be equipped with several on contact plate 14
Anti-skidding salient point 13, anti-skidding salient point 13 are an integral structure with contact plate 14, and the other end of threaded rod 12 is connected with lock handle 3,
Lock handle 3, which is arranged on the outside of the first fixture 1, threaded rod 12, is provided with slow pressure pad circle 2, and slow 2 setting of pressure pad circle is being locked
Between handle 3 and the first fixture 1, the bottom of the first fixture 1 is equipped with mounting seat 7, several peaces are provided in mounting seat 7
Screw 8 is filled, the second fixture 6 is identical as 1 structure of the first fixture, and the second fixture 6 is symmetricly set on the top of the first fixture 1.
The operation principle and process for using of the utility model：When the utility model is used, the both ends of test specimen are passed through into limit
The inside of opening 10, is placed between two pressurization clamping plates 9, and handle is tightened in rotation so that and contact plate 14 is close to surface of test piece, to
By test specimen clamping between the first fixture 1 and the second fixture 6 of clamping device, in the cyclic spring fiber of detection rubber like circle
When the peeling pulling force of interface, it is inserted into loop bar 11 on the first fixture 1 and the second fixture 6, ring specimen can be sleeved on loop bar
It on 11, is tested, when experiment, two fixtures do relative motion, by the force value sensor and equipment on the second fixture 6
The displacement sensor set collects force value variation and change in displacement during testing, to calculate the stretching of test specimen, tear
It splits, the performance indicators such as deformation rate.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of test specimen tensile test equipment clamping device, including the first fixture (1) and the second fixture (6), it is characterised in that：
It is provided with limit opening (10) at the top of first fixture (1), damping material is installed on the inside of the limit opening (10)
The bed of material (5) is provided with loop bar (11) below the limit opening (10), and one end of the loop bar (11) is connected with fixing nut
(4), the fixing nut (4) is fixed on the outer wall of the first fixture (1), and the loop bar (11) is mounted on the first fixture (1)
Inside, two symmetrical threaded rods (12) are provided with below the loop bar (11), and the threaded rod (12) is mounted on the first folder
Has the inside of (1), one end of the threaded rod (12) is connected with pressurization clamping plate (9), on the side side wall of the pressurization clamping plate (9)
Contact plate (14) is installed, several equally distributed anti-skidding salient points (13), the screw thread are installed on the contact plate (14)
The other end of bar (12) is connected with lock handle (3), and lock handle (3) setting is in the outside of the first fixture (1), and described the
The bottom of one fixture (1) is equipped with mounting seat (7), and second fixture (6) is identical as the first fixture (1) structure, and described
Two fixtures (6) are symmetricly set on the top of the first fixture (1).
2. a kind of test specimen tensile test equipment clamping device according to claim 1, it is characterised in that：The installation bottom
Several installation screws (8) are provided on seat (7).
3. a kind of test specimen tensile test equipment clamping device according to claim 1, it is characterised in that：The damping material
The connection type of the bed of material (5) and limit opening (10) is adhesion.
4. a kind of test specimen tensile test equipment clamping device according to claim 1, it is characterised in that：It is described anti-skidding convex
Point (13) is an integral structure with contact plate (14).
5. a kind of test specimen tensile test equipment clamping device according to claim 1, it is characterised in that：The loop bar
(11) it is to be connected together with the connection type of the first fixture (1).
6. a kind of test specimen tensile test equipment clamping device according to claim 1, it is characterised in that：The threaded rod
(12) slow pressure pad circle (2) is provided on, the slow pressure pad circle (2) is arranged between lock handle (3) and the first fixture (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820659001.0U CN208091819U (en) | 2018-05-04 | 2018-05-04 | A kind of test specimen tensile test equipment clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820659001.0U CN208091819U (en) | 2018-05-04 | 2018-05-04 | A kind of test specimen tensile test equipment clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208091819U true CN208091819U (en) | 2018-11-13 |
Family
ID=64052175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820659001.0U Expired - Fee Related CN208091819U (en) | 2018-05-04 | 2018-05-04 | A kind of test specimen tensile test equipment clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208091819U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109632493A (en) * | 2019-01-24 | 2019-04-16 | 杨松梅 | A kind of new fiber materials strength test device |
-
2018
- 2018-05-04 CN CN201820659001.0U patent/CN208091819U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109632493A (en) * | 2019-01-24 | 2019-04-16 | 杨松梅 | A kind of new fiber materials strength test device |
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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 |
Granted publication date: 20181113 Termination date: 20190504 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |