CN105928787A - Stretching and aging test fixing device and testing method - Google Patents
Stretching and aging test fixing device and testing method Download PDFInfo
- Publication number
- CN105928787A CN105928787A CN201610236965.XA CN201610236965A CN105928787A CN 105928787 A CN105928787 A CN 105928787A CN 201610236965 A CN201610236965 A CN 201610236965A CN 105928787 A CN105928787 A CN 105928787A
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- stretching
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to a stretching and aging test fixing device and a testing method. The test device comprises a fixing rack, a first limiting member, a second limiting member, and an adjusting member. The first limiting member and the second limiting member can fix a sample to be detected from two fixing positions of the sample. The position of the adjusting member arranged on the second limiting member can be adjusted so as to adjust the distance between the first limiting member and the second limiting member. According to the stretching and aging test fixing device and testing method, a certain tension force can be loaded on a test sample in advance, and then the test sample is subjected to simulated tests of aging caused by high temperature, radiation, and/or corrosive solution. The stretching and aging test fixing device has the advantages of simple operation and strong practicality, and can be widely used in stretching and aging tests, and moreover, the stretch length is controllable, and the operation is flexible.
Description
Technical field
The present invention relates to fiber or cable field tests, especially relate to a kind of stretching burn-in test fixing device
And method of testing.
Background technology
At present in industry for long under its condition of work of fiber (or cable) time use safe special concern,
Such as boats and ships hawser, fishing net etc..In actual service conditions, fiber is subject to radiation, temperature under stress condition
The multifactorial common effects such as degree stimulation and/or certain concentration solution (such as seawater), cause himself the oldest
Change.The most a method of testing and instrument can not simulate testing sample ageing process under stressing conditions.
Summary of the invention
Based on this, it is necessary to provide a kind of and can simulate drawing of testing sample ageing process under stressing conditions
Stretch burn-in test fixing device and method of testing.
A kind of stretching burn-in test fixing device, including fixed mount, the first locating part, the second locating part and tune
Joint part；Described fixed mount has the first fixed part and the second fixed part being oppositely arranged, described first fixed part
And between described second fixed part, there is gap；Described first locating part is respectively used to described second locating part
Fixing testing sample from the two of testing sample fixed positions, wherein, described first locating part is located at described
One fixed part, described second locating part is actively located in described second fixed part and limits with corresponding described first
Position part is oppositely arranged, and described second locating part has external screw thread, and described regulating part has internal thread, described tune
Joint part is threadeded with described second locating part, and described regulating part can be by regulating it described second spacing
Second locating part described in position adjustments on part and the distance between described first locating part.
Wherein in an embodiment, described first locating part is fixing is located at described first fixed part.
Wherein in an embodiment, described first locating part has hook.
Wherein in an embodiment, described second locating part includes regulation portion and hook portion, described regulation portion
In shaft-like and have described external screw thread, described hook portion is located at the one end in described regulation portion, and described hook portion has
There is hook；Described second fixed part has adjustment hole, and described regulation portion is actively located in described adjustment hole.
Wherein in an embodiment, described regulation portion has the rule axially in parallel with it.
Wherein in an embodiment, described hook portion has baffle plate, and the size of described baffle plate is more than described tune
The size of knothole, described baffle plate and described regulating part lay respectively at the both sides of described second fixed part.
Wherein in an embodiment, described regulating part has handle.
Wherein in an embodiment, described fixed mount is rectangle rack, described first fixed part and described second
Fixed part is respectively two relative both sides of rectangle rack；Described first locating part is located at the inner side of described rectangle rack,
Described second locating part also is located at the inner side of described rectangle rack, described regulation for the part fixing testing sample
Part is positioned at the outside of described rectangle rack.
Wherein in an embodiment, described fixed mount has multiple fixed cell, each described fixed cell
There is least one set the first locating part, described second locating part and described regulating part, and adjacent described fixing
Fixed with described first fixed part and described second fixed part respectively by two ends between unit the bracing piece that is connected every
Open.
Present invention also offers a kind of stretching ageing testing method, it uses drawing described in any of the above-described embodiment
Stretch burn-in test fixing device, specifically include following steps:
The two of testing sample fixed positions are separately fixed at described first locating part and described second locating part
On；
By rotate distance that described regulating part regulates between described first locating part and described second locating part with
Regulate described first locating part and described second locating part tensile force to described testing sample, make described to be measured
Sample reaches default percentage elongation；
After described percentage elongation reaches preset value, the described stretching burn-in test of described testing sample will be fixed with
Fixing device is placed in test environment, carries out stretching burn-in test.
Above-mentioned stretching burn-in test fixing device and method of testing can be by testing sample at certain pre-tensions
In the case of, make testing sample reach default percentage elongation, in conjunction with other aging condition, simulate real work
Environment turntable, carries out high temperature (being such as placed in baking oven), radiation (being such as placed in radiative aging case) to testing sample
And/or the test of the Aging simulation process such as corrosive solution (being such as immersed in corrosive solution).This stretching is old
Change test fixing device simple to operate, but practical, can be widely used in and need testing sample (such as fibre
Dimension or cable etc.) carry out stretching burn-in test during, and the tensile elongation of testing sample is controlled, behaviour
Make flexibly.
Accompanying drawing explanation
Fig. 1 is the structural representation of the stretching burn-in test fixing device of an embodiment；
Fig. 2 is the decomposed schematic diagram of stretching burn-in test fixing device shown in Fig. 1；
Fig. 3 is the enlarged schematic partial view of stretching burn-in test fixing device shown in Fig. 2.
Detailed description of the invention
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.
Accompanying drawing gives presently preferred embodiments of the present invention.But, the present invention can come real in many different forms
Existing, however it is not limited to embodiment described herein.On the contrary, providing the purpose of these embodiments is to make this
The understanding of disclosure of the invention content is more thorough comprehensively.
It should be noted that when element is referred to as " being fixed on " another element, and it can be directly at another yuan
On part or element placed in the middle can also be there is.When an element is considered as " connection " another element, and it can
To be directly to another element or to may be simultaneously present centering elements.
Unless otherwise defined, all of technology used herein and scientific terminology and the technology belonging to the present invention
The implication that the technical staff in field is generally understood that is identical.The art used the most in the description of the invention
Language is intended merely to describe the purpose of specific embodiment, it is not intended that in limiting the present invention.Used herein
Term "and/or" includes the arbitrary and all of combination of one or more relevant Listed Items.
Incorporated by reference to Fig. 1, Fig. 2 and Fig. 3, the stretching burn-in test fixing device 100 of an embodiment includes fixing
Frame the 110, first locating part the 120, second locating part 130 and regulating part 140.
Fixed mount 110 has the first fixed part 112 and the second fixed part 114.First fixed part 112 and second
Fixed part 114 is oppositely arranged.By connecting portion 116 between first fixed part 112 and the second fixed part 114
Fixing connection.Between first fixed part 112 and the second fixed part 114, there is gap 111.This gap 111 is used
In stretching for testing sample (such as fiber or cable etc.), and testing sample is made to be exposed in test environment.
Concrete, in the present embodiment, this fixed mount 110 is rectangle rack structure, wherein the first fixed part 112
Two relative both sides of the fixed mount 110 of this rectangle rack structure, connecting portion it is respectively with the second fixed part 114
116 is other both sides.Further, in the present embodiment, this fixed mount 110 has multiple fixed cell.Often
Individual fixed cell has least one set the first locating part the 120, second locating part 130 and regulating part 140.Adjacent
Fixed cell between by two ends respectively fixing with the first fixed part 112 and the second fixed part 114 be connected add
Strong bar 118 separates.By arranging bracing piece 118 between adjacent fixed cell, it is ensured that whole fixing
The structural strength of frame 110, prevents the first fixed part 112 and the second fixed part 114 when stretching testing sample
Produce bigger deformation, affect test result.
First fixed part the 112, second fixed part 114, connecting portion 116 and the bracing piece 118 of the present embodiment are
Integrated structure, as the metal or metal alloy that intensity is higher can be used to make shaping, stability is strong,
When testing sample extension test, deformation is less, and measuring accuracy is high.
It is understood that in other embodiments, the shape of this fixed mount 110 and structure are not limited to recited above
Rectangle rack structure, as long as this fixed mount 110 has relative position and is relatively fixed and structural strength is higher first
Between having between fixed part 112 and the second fixed part 114, and the first fixed part 112 and the second fixed part 114
Gap 111.
First locating part 120 and the second locating part 130 be respectively used to from the two of testing sample fixed positions (as
The two ends of testing sample) fixing testing sample.Wherein, the first locating part 120 is fixing is located at the first fixed part
On 112.Second fixed part 114 has adjustment hole 113.Second locating part 130 is actively located in second and fixes
It is oppositely arranged in the adjustment hole 113 in portion 114 and with corresponding first locating part 120.
Concrete, in the present embodiment, the first locating part 120 has hook.First locating part 120 is
The inner side of one fixed part 112 is arranged.Second locating part 130 includes regulation portion 132 and hook portion 134.Regulation
Portion 132 is in shaft-like and have external screw thread.Hook portion 134 is located at the one end in regulation portion 132.Hook portion 134
There is hook.Regulation portion 132 is actively located in adjustment hole 113, and hook portion 134 is positioned at second and fixes
The inner side in portion 114.The outer wall of the hook of the first locating part 120 and hook portion 134 uses arcuate structure design,
Testing sample will not be caused damage, it is ensured that measuring accuracy.
Regulating part 140 is positioned at the outside of the second fixed part 114.Regulating part 140 has internal thread.Regulating part
140 threaded with the regulation portion 132 of the second locating part 130.Regulating part 140 can be by regulating it
The distance between position adjustments the second locating part 130 and the first locating part 120 on two locating parts 130.?
In the present embodiment, regulating part 140 is provided with handle 142.Handle 142 has two.Two handles 142 are being adjusted
It is oppositely arranged, to facilitate operating personnel's turn regulating part 140 on the outer wall of joint part 140.
In the present embodiment, regulation portion 132 has the rule 136 axially in parallel with it.By in regulation portion
Rule 136 is set on 132, can accurately indicate the position of relative second fixed part 114 in regulation portion 132,
Thus distance between the first locating part 120 and the second locating part 130 quantifies controlled, namely can realize right
The quantization regulation of the tensile elongation of testing sample.
Further, in the present embodiment, regulation portion 132 preferably radial section be shaped as non-circular bar
Shape structure, the shape of adjustment hole 113 is suitable with the outer wall shape in regulation portion 132.The shape of radial section
Can avoid during regulation regulating part 140 for non-circular regulation portion 132, regulation portion 132 rotates,
Cause operation inconvenience.
Additionally, in the present embodiment, hook portion 134 has baffle plate 138.The size of baffle plate 138 is more than regulation
The size in hole 113.Baffle plate 138 and regulating part 140 lay respectively at the both sides of the second fixed part 114.
In the present embodiment, each fixed mount 110 is provided with many groups first locating part the 120, second locating part
130 and regulating part 140, and each fixed cell to have least one set the first locating part 120, second spacing
Part 130 and regulating part 140, thus this stretching burn-in test fixing device 100 can treat test sample to multiple simultaneously
Product carry out stretch processing, and to test under identical simulated conditions, uniformity is high, can further improve
The accuracy or comparative of result.
Need airtight cyclization (i.e. knotting) before fixing due to testing sample, therefore length has certain inclined
Difference, the stretching burn-in test fixing device 100 using the present embodiment can be for the length of each testing sample
Difference, adjusts respectively, to reach identical level of stretch, 10cm as a length of in testing sample 1, treats test sample
The a length of 12cm of product 2, in order to make it have the percentage elongation of 10%, can regulate regulating part 140, to be measured
Sample 1 is adjusted to the elongation of 1cm, and testing sample 2 is adjusted to the elongation of 1.2cm, reaches phase with this
Same percentage elongation carries out follow-up burn-in test.
Additionally, the present embodiment additionally provides a kind of stretching ageing testing method, it uses the aging survey of above-mentioned stretching
Examination fixing device 100.This stretching ageing testing method specifically includes following steps:
Step one: the two of testing sample fixed positions are separately fixed at the first locating part 120 and the second limit
On the part 130 of position.
Step 2: regulate between the first locating part 120 and the second locating part 130 by rotating regulating part 140
Distance to regulate the first locating part 120 and second locating part 130 tensile force to testing sample.
Step 3: when tensile force reaches preset value, fixes the stretching burn-in test being fixed with testing sample
Device 100 is placed in test environment, carries out stretching burn-in test.
Testing sample can be opened by above-mentioned stretching burn-in test fixing device 100 and method of testing in certain pre-add
In the case of power, making testing sample reach default percentage elongation, in conjunction with other aging condition, simulation is true
Working environment turntable, testing sample is carried out high temperature (being such as placed in baking oven), radiation (be such as placed in radiative aging
In case) and/or the test of the Aging simulation process such as corrosive solution (being such as immersed in corrosive solution),
After again strength machine on testing sample is tested, using mechanical index as its anti-aging or ageing-resistant evaluation.
This stretching burn-in test fixing device 100 is simple to operate, but practical, can be widely used in needs and treats
During test sample product (such as fiber or cable etc.) carry out stretching burn-in test, and the stretching of testing sample
Length is controlled, flexible operation.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, the most right
The all possible combination of each technical characteristic in above-described embodiment is all described, but, if these skills
There is not contradiction in the combination of art feature, is all considered to be the scope that this specification is recorded.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed,
But can not therefore be construed as limiting the scope of the patent.It should be pointed out that, for this area
For those of ordinary skill, without departing from the inventive concept of the premise, it is also possible to make some deformation and change
Entering, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended power
Profit requires to be as the criterion.
Claims (10)
1. one kind stretching burn-in test fixing device, it is characterised in that include fixed mount, the first locating part,
Second locating part and regulating part；Described fixed mount has the first fixed part and the second fixed part being oppositely arranged,
Between described first fixed part and described second fixed part, there is gap；Described first locating part and described second
Locating part is respectively used to fix testing sample from the two of testing sample fixed positions, wherein, and described first limit
Position part be located at described first fixed part, described second locating part be actively located in described second fixed part and with phase
Described first locating part answered is oppositely arranged, and described second locating part has external screw thread, and described regulating part has
Internal thread, described regulating part threadeds with described second locating part, and described regulating part can be by regulating it
Described in position adjustments on described second locating part between the second locating part and described first locating part away from
From.
2. stretching burn-in test fixing device as claimed in claim 1, it is characterised in that described first limit
Position part is fixing to be located on described first fixed part.
3. stretching burn-in test fixing device as claimed in claim 1, it is characterised in that described first limit
Position part has hook.
4. stretching burn-in test fixing device as claimed in claim 1, it is characterised in that described second limit
Position part includes that regulation portion and hook portion, described regulation portion are shaft-like and have described external screw thread, described hook portion
Being located at the one end in described regulation portion, described hook portion has hook；Described second fixed part has adjustment hole,
Described regulation portion is actively located in described adjustment hole.
5. stretching burn-in test fixing device as claimed in claim 4, it is characterised in that described regulation portion
There is the rule axially in parallel with it.
6. stretching burn-in test fixing device as claimed in claim 4, it is characterised in that described hook portion
Having baffle plate, the size of described baffle plate is more than the size of described adjustment hole, and described baffle plate and described regulating part divide
It is not positioned at the both sides of described second fixed part.
7. stretching burn-in test fixing device as claimed in claim 1, it is characterised in that described regulating part
There is handle.
8. the stretching burn-in test fixing device as according to any one of claim 1～7, it is characterised in that
Described fixed mount is rectangle rack, and described first fixed part and described second fixed part are respectively the two-phase of rectangle rack
To both sides；Described first locating part is located at the inner side of described rectangle rack, and described second locating part is used for fixing
The part of testing sample also is located at the inner side of described rectangle rack, and described regulating part is positioned at the outside of described rectangle rack.
9. stretching burn-in test fixing device as claimed in claim 8, it is characterised in that described fixed mount
Having multiple fixed cell, each described fixed cell has least one set the first locating part, described second limit
Position part and described regulating part, and adjacent described fixed cell between by two ends respectively with described first fixed part
And the bracing piece that described second fixed part fixes connection separates.
10. a stretching ageing testing method, it is characterised in that use institute as any one of claim 1-9
The stretching burn-in test fixing device stated, described stretching ageing testing method comprises the steps:
The two of testing sample fixed positions are separately fixed at described first locating part and described second locating part
On；
By rotate distance that described regulating part regulates between described first locating part and described second locating part with
Regulate described first locating part and described second locating part tensile force to described testing sample, make described to be measured
Sample reaches default percentage elongation；
After described percentage elongation reaches preset value, the described stretching burn-in test of described testing sample will be fixed with
Fixing device is placed in test environment, carries out stretching burn-in test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610236965.XA CN105928787A (en) | 2016-04-14 | 2016-04-14 | Stretching and aging test fixing device and testing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610236965.XA CN105928787A (en) | 2016-04-14 | 2016-04-14 | Stretching and aging test fixing device and testing method |
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| CN105928787A true CN105928787A (en) | 2016-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610236965.XA Pending CN105928787A (en) | 2016-04-14 | 2016-04-14 | Stretching and aging test fixing device and testing method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426797A (en) * | 2018-02-09 | 2018-08-21 | 海宁双迪电子照明有限公司 | A kind of illuminating lamp shade ageing management case |
| CN109342700A (en) * | 2018-08-20 | 2019-02-15 | 中国纺织科学研究院有限公司 | Long filament ageing properties test macro and method |
| CN113790964A (en) * | 2021-11-17 | 2021-12-14 | 中国电器科学研究院股份有限公司 | Stress aging test device and method for high polymer material |
| CN113804546A (en) * | 2021-11-18 | 2021-12-17 | 中国电器科学研究院股份有限公司 | Stress aging test device and method for carbon fiber reinforced composite material |
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| CN108426797A (en) * | 2018-02-09 | 2018-08-21 | 海宁双迪电子照明有限公司 | A kind of illuminating lamp shade ageing management case |
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| CN113790964A (en) * | 2021-11-17 | 2021-12-14 | 中国电器科学研究院股份有限公司 | Stress aging test device and method for high polymer material |
| CN113804546A (en) * | 2021-11-18 | 2021-12-17 | 中国电器科学研究院股份有限公司 | Stress aging test device and method for carbon fiber reinforced composite material |
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