CN107727572A - Fiberglass tyre asphalt tile lamination peeling strength test fixture and test method - Google Patents
Fiberglass tyre asphalt tile lamination peeling strength test fixture and test method Download PDFInfo
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- CN107727572A CN107727572A CN201711150908.0A CN201711150908A CN107727572A CN 107727572 A CN107727572 A CN 107727572A CN 201711150908 A CN201711150908 A CN 201711150908A CN 107727572 A CN107727572 A CN 107727572A
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- sample
- roller
- peeling strength
- strength test
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/04—Measuring adhesive force between materials, e.g. of sealing tape, of coating
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of fiberglass tyre asphalt tile lamination peeling strength test fixture and test method, its drip irrigation device is:It is included in the support component that is supported to sample of lower section and up clamps the clamp assemblies of the single-layer portions of sample, the support component includes the platform being fixed on testing machine and the backboard being fixed on platform, some rotating rollers are rotatably connected on backboard, lower resistance ball bearing is housed inside rotating roller, rotating roller includes a pair of pressure rollers above one group to sample support of lower section parallel support roller and support roller, when the single-layer portions of sample are upward through by clamp assemblies clamping from the interval between pressure roller, the laminate portion of sample is transmitted along support roller level.It is an advantage of the invention that reduce the downward thrust that compressed part applies to sample so that actual measured results are more accurate.
Description
Technical field
The present invention relates to fiberglass tyre asphalt tile to test field, and in particular to fiberglass tyre asphalt tile lamination peeling strength test presss from both sides
Tool and test method.
Background technology
Fiberglass tyre asphalt tile is being a kind of material for being commonly used in roof water-proof, is using glass mat as carcass, surface applies
With modified asphalt layer(Lamination).
In the performance detection of bituminized shingle, the peel strength of lamination is a very important index, and it can detect folded
Whether close bonded between layer and carcass.
Existing lamination peeling strength test is typically by carrying out on microcomputer controlled electronic universal tester 1, such as Fig. 1
It is shown, sample 4 to be detected is prepared first, and the laminate portion 41 of the one end of sample 4 is manually separated to a bit of formation individual layer portion
Divide 42.Then as shown in Figures 2 and 3, sample 4 is fixed on testing machine 1 by fixture, existing fixture includes being used to distinguish
Compress a pair of compressed parts 5 at the both ends of sample 4, and the clamping part 6 above clamped to the one end of single-layer portions 42.Compress
Portion 5 is to be fixed with compact heap using screw rod 34, downwards the surface of sample 4 compress admittedly by tightening the drive of screw rod 34 compact heap
It is fixed;The upper end of clamping part 6 and the cylinder 11 of testing machine 1 are fixed, and are driven and are lifted.Passed by testing machine 1 provided with pulling force
Sensor and external computer(It is not drawn into figure), can be with the pulling force size of real-time display clamping part.
During experiment, sample 4 is placed on the platform 21 of testing machine 1, both ends are compressed by compressed part 5 respectively, separated
The one end of single-layer portions 42 is gripped by the clamping part 6 of top, and then firing test machine 1, is pulled up, to laminate portion 41
Peeled off, required pulling force size is peeled off in test, to judge the peel strength of lamination.
But the fixture is applied with downward thrust to sample 4 because both ends are fixed to sample 4,
Laminate portion 41 during upward pulling force by, it is necessary to additionally overcome the portion compresses power at the both ends of sample 4, therefore testing actual stripping
Can there is a possibility that measurement result is bigger than normal during from intensity, it is not accurate enough.
The content of the invention
The first goal of the invention of the present invention is to provide a kind of fiberglass tyre asphalt tile lamination peeling strength test fixture, its advantage
It is the reduction of the downward thrust that compressed part applies to sample so that actual measured results are more accurate.
The present invention above-mentioned technical purpose technical scheme is that:Fiberglass tyre asphalt tile lamination is peeled off
Strength test fixture, it is included in the support component that is supported to sample of lower section and up clamps the single-layer portions of sample
Clamp assemblies, the support component include the platform being fixed on testing machine and the backboard being fixed on platform, turned on backboard
It is dynamic to be connected with some rotating rollers, lower resistance ball bearing is housed, including lower section is parallel to one group of sample support inside rotating roller
Support roller and support roller above a pair of pressure rollers, the single-layer portions of sample are clamped from the interval between pressure roller by clamp assemblies
When being upward through, the laminate portion of sample is transmitted along support roller level.
Pass through above-mentioned technical proposal, due to being supported by support roller to sample, sample is set only to be supported roller and pressure
The force of rolling friction of low resistance bearings, compared to the compression of original compressed part, substantially reduces sample by clamp assemblies inside roller
Traction process in suffered downward thrust, reduce the error of experiment, improve the levels of precision of experiment so that actual to survey
It is more accurate to measure result.
The present invention is further arranged to:The clamp assemblies include the U-shaped upper jaw of upper end and testing machine to single-layer portions
A pair of the holders clamped.
Pass through above-mentioned technical proposal, single-layer portions are clamped by holder, using being clamped on electronic tension tester
The lifting of mouth, so as to stretch single-layer portions, bituminized shingle is peeled off.
The present invention is further arranged to:The sandwich block of holder is engaged undaform.
Pass through above-mentioned technical proposal, between the grip block and single-layer portions of undaform, contact therebetween can be increased
Area, single-layer portions are clamped caused by frictional force it is bigger, folder it is tighter, and will not pinch off measured material so that folder
Hold more efficient.
The second goal of the invention of the present invention is to provide a kind of fiberglass tyre asphalt tile lamination peeling strength test method.Its step
It is as follows:
The first step:Sample preparation
Sample is intercepted on bituminized shingle(Bituminized shingle length direction is longitudinal direction), in the length direction of sample 4 laminate portion is first used
It is artificial to separate one section;
Second step:Sample is installed
Sample is put into fixture, sample single-layer portions are upward through between a pair of pressure rollers, and are clamped in clamp assemblies, are folded
Layer segment is positioned horizontally between support roller and pressure roller;
3rd step:Test operation
Firing test machine, drives up clamp assemblies, and single-layer portions are pulled up, and laminate portion is gradually stripped, and is peeling off
During read and peel force value and recorded;
After the test for completing a sample, fresh sample is changed, 5 groups of above-mentioned experiments is repeated and records;
4th step:Result of calculation
Using maximum peeling force of each sample during being stripped as measured value, made with the average value of 5 sample measurements
For result of the test, 1N is accurate to, completes experiment.
The present invention is further arranged to:The step of pasting fixed plate is added in first step sample preparation, fixed plate is used
Glue is bonded at the lower surface that sample contacts with support roller.
Pass through above-mentioned technical proposal, during drawing, laminate portion is pulled the table that may depart from support roller
Face, it is bent upwards between a pair of pressure rollers, and the fixed plate for being fixed on laminate portion lower surface can play fixed effect, prevent
Only laminate portion is bent upwards by pulling force, can transmit its keep level in support roller.
The present invention is further arranged to:The fixed plate is steel plate.
Pass through above-mentioned technical proposal, armor plate strength is big and surface is smooth, not only sample can be fixed well but also
It can ensure to move in support roller.
The present invention is further arranged to:The glue is epoxide-resin glue.
Pass through above-mentioned technical proposal, epoxide-resin glue chemical property is stable, will not be reacted with the composition of bituminized shingle.
The present invention is further arranged to:The glue and the gross thickness of the fixed plate are less than 2mm.
The thickness of Pass through above-mentioned technical proposal, steel plate and glue layer is too big, may increase rubbing between sample and support roller
Power is wiped, so as to influence movement of the sample in support roller.
In summary, the invention has the advantages that:
1st, sample downward thrust suffered in by the traction process of clamp assemblies is substantially reduced, reduces the mistake of experiment
Difference, improve the levels of precision of experiment so that actual measured results are more accurate;
2nd, during drawing, and the fixed plate for being fixed on laminate portion lower surface can play fixed effect, prevent from folding
Layer segment is bent upwards by pulling force, can transmit its keep level in support roller.
Brief description of the drawings
Fig. 1 is the structural representation of sample;
Fig. 2 is the schematic diagram of background technology;
Fig. 3 is the enlarged drawing at A in Fig. 2;
Fig. 4 is that the sample schematic diagram Nian Jie with steel plate is embodied in the present embodiment;
Fig. 5 is the structural representation of the present embodiment;
Fig. 6 is schematic diagram when sampling test state is embodied in the present embodiment.
In figure, 1, testing machine;11st, cylinder;2nd, support component;21st, platform;22nd, backboard;23rd, rotating roller;231st, support
Roller;232nd, pressure roller;3rd, clamp assemblies;31st, connecting rod;32nd, U-shaped piece;33rd, holder;331st, grip block;34th, screw rod;4th, sample
Product;41st, laminate portion;42nd, single-layer portions;43rd, fixed plate;5th, compressed part;6th, clamping part.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
Embodiment:Fiberglass tyre asphalt tile lamination peeling strength test fixture, as shown in figure 4, sample 4 includes laminate portion
41, the single-layer portions 42 to form tilting are manually torn in one end.
As shown in Figure 5 and Figure 6, this fixture include being used for the support component 2 that is supported in lower section to sample 4 and
The clamp assemblies 3 of the one end of side's 4 single-layer portions of clamping sample 42.
Support component 2 includes the platform 21 being fixed on testing machine 1 and the vertical backboard 22 for being fixed on the behind of platform 21.
The rotating roller 23 of some lower resistances is rotatably connected on backboard 22, the inside of rotating roller 23 is equipped with lower resistance ball bearing(In figure not
Draw), rotating roller 23 is divided to for upper and lower two groups, and lower section is set to one group of support roller 231, and top is set to a pair of pressure rollers 232.One group of support
Roller 231 keeps sustained height, for sample 4 to be supported and transmitted;Deposited between a pair of pressure rollers 232 and supported underneath roller 231
At the interval transmitted for sample 4, the single-layer portions 42 that the interval between a pair of pressure rollers 232 then Gong peels away are upward through.
Pressure roller 232 away from the porch of sample 4 is relatively large in diameter, because sample 4 is thinning after stripping, it is therefore desirable to so that pressure
The diameter of roller 232 become greatly so as to it is thinning after the upper surface of sample 4 contradict.
What the connecting rod 31 and the lower end of connecting rod 31 that cylinder 11 of the clamp assemblies 3 including upper end and testing machine 1 is fixed were fixed
U-shaped piece 32 and a pair of holders 33 in U-shaped piece 32.Holder 33 is symmetrically fixed on U-shaped piece 32 by screw rod 34
It is interior, single-layer portions 42 are clamped by tightening screw rod 34.
A pair of grip blocks 331 that holder 33 contacts with single-layer portions 42 are the undaform being mutually twisted, and can increase folder
The area held so that single-layer portions 42 are clamped more stable.
Using this fixture carry out lamination peeling strength test procedure be:
The first step:Sample preparation
A transverse direction is intercepted on bituminized shingle(120X75)Mm sample 4(Bituminized shingle length direction is longitudinal direction), in the length of sample 4
There are about 25mm single-layer portions 42 one end in direction, and laminate portion 41 is first manually split up into 25mm;
Then the length of sample 4 be 95mm part high intensity and with its surface reaction glue(Such as epoxide-resin glue)With
Fixed plate 43 is bonded, and indoor solidification 24h is detected in waterproof.Fixed plate 43 is preferable using steel plate effect.
Second step:Sample is installed
Sample 4 is put into fixture, the single-layer portions 42 of sample 4 are upward through between a pair of pressure rollers 232, and are clamped in clamping group
In part 3, laminate portion 41 is positioned horizontally between support roller 231 and pressure roller 232.
3rd step;Test operation
Firing test machine 1, drive up clamp assemblies 3, single-layer portions 42 be pulled up, in drawing process laminate portion 41 with
Motion, transmitted between support roller 231 and pressure roller 232, laminate portion 41 is gradually stripped, in stripping process read stripping
From power numerical value and recorded.
After the test for completing a sample 4, fresh sample 4 is changed, 5 groups of above-mentioned experiments is repeated and records.
4th step:Result of calculation
Using maximum peeling force of each sample 4 during being stripped as measured value, with the average value of 5 measured values of sample 4
As result of the test, 1N is accurate to, completes experiment.
Due to being supported by support roller 231 to sample 4, sample 4 is set only to be supported the rolling of roller 231 and pressure roller 232
Kinetic force of friction, compared to the compression of original compressed part, it is suffered in by the traction process of clamp assemblies 3 to substantially reduce sample 4
Downward thrust, reduce the error of experiment, improve the levels of precision of experiment.
During drawing, laminate portion 41 is pulled the surface that may depart from support roller 231, from a pair of pressure rollers
It is bent upwards between 232, and the fixed plate 43 for being fixed on the lower surface of laminate portion 41 can play fixed effect, prevent lamination
Part 41 is bent upwards by pulling force, keep level can be transmitted in support roller 231.
The points for attention of this experiment are as follows:
1st, the gross thickness of glue and fixed plate 43 is no more than 2mm, to ensure that sample 4 can be more convenient in support roller 231
Transmitted on ground;
If the 2nd, test when sample 4 be broken or sample 4 it is be bonded with fixed plate 43 it is not firm cause sample 4 to deform, this sample 4 is made
It is useless, sample 4 is prepared again to be tested.
This specific embodiment is only explanation of the invention, and it is not limitation of the present invention, people in the art
Member can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but as long as at this
All protected in the right of invention by Patent Law.
Claims (8)
1. fiberglass tyre asphalt tile lamination peeling strength test fixture, it is included in lower section to sample(4)The support component being supported
(2)And up clamp sample(4)Single-layer portions(42)Clamp assemblies(3), it is characterized in that:The support component(2)
Including being fixed on testing machine(1)On platform(21)And it is fixed on platform(21)On backboard(22), backboard(22)Upper rotation
It is connected with some rotating rollers(23), rotating roller(23)Inside is equipped with lower resistance ball bearing, rotating roller(23)Including lower section to sample
Product(4)One group of parallel support roller of support(231)And support roller(231)A pair of pressure rollers of top(232), sample(4)'s
Single-layer portions(42)By clamp assemblies(3)Clamp from pressure roller(232)Between interval when being upward through, sample(4)Laminate part
Point(41)Along support roller(231)Level is transmitted.
2. fiberglass tyre asphalt tile lamination peeling strength test fixture according to claim 1, it is characterized in that:The clamping group
Part(3)Including upper end and testing machine(1)Cylinder(11)Fixed connecting rod(31)With connecting rod(31)Lower end is fixed U-shaped
Block(32U)And positioned at U-shaped piece(32U)It is interior to single-layer portions(42)A pair of the holders clamped(33).
3. fiberglass tyre asphalt tile lamination peeling strength test fixture according to claim 2, it is characterized in that:Holder(33)
Sandwich block(331)For engaged undaform.
4. fiberglass tyre asphalt tile lamination peeling strength test method, it is characterized in that:Comprise the following steps:
The first step:Sample preparation
Sample is intercepted on bituminized shingle(4)(Bituminized shingle length direction is longitudinal direction), in sample(4)Length direction by laminate portion
(41)First manually separate one section;
Second step:Sample is installed
By sample(4)It is put into fixture, sample(4)Single-layer portions(42)From a pair of pressure rollers(232)Between be upward through, and be clamped
In clamp assemblies(3)It is interior, laminate portion(41)It is positioned horizontally in support roller(231)With pressure roller(232)Between;
3rd step:Test operation
Firing test machine(1), drive up clamp assemblies(3), by single-layer portions(42)It is pulled up, laminate portion(41)Gradually
It is stripped, peel force value is read in stripping process and is recorded;
Complete a sample(4)Test after, change fresh sample(4), repeat 5 groups of above-mentioned experiments and record;
4th step:Result of calculation
With each sample(4)Maximum peeling force during being stripped is as measured value, with 5 samples(4)Measured value is put down
Average is accurate to 1N, completes experiment as result of the test.
5. fiberglass tyre asphalt tile lamination peeling strength test method according to claim 4, it is characterized in that:In first step sample
Product(4)Added in preparation and paste fixed plate(43)The step of, by fixed plate(43)Sample is bonded at glue(4)With support roller
(231)The lower surface of contact.
6. fiberglass tyre asphalt tile lamination peeling strength test method according to claim 5, it is characterized in that:The fixed plate
(43)For steel plate.
7. fiberglass tyre asphalt tile lamination peeling strength test method according to claim 5, it is characterized in that:The glue is
Epoxide-resin glue.
8. fiberglass tyre asphalt tile lamination peeling strength test method according to claim 5, it is characterized in that:The glue with
The fixed plate(43)Gross thickness be less than 2mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711150908.0A CN107727572A (en) | 2017-11-18 | 2017-11-18 | Fiberglass tyre asphalt tile lamination peeling strength test fixture and test method |
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CN201711150908.0A CN107727572A (en) | 2017-11-18 | 2017-11-18 | Fiberglass tyre asphalt tile lamination peeling strength test fixture and test method |
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CN201711150908.0A Pending CN107727572A (en) | 2017-11-18 | 2017-11-18 | Fiberglass tyre asphalt tile lamination peeling strength test fixture and test method |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109060654A (en) * | 2018-09-13 | 2018-12-21 | 济南联工测试技术有限公司 | A kind of automobile gluing ring cover tensile peel fixture |
CN110672514A (en) * | 2019-10-25 | 2020-01-10 | 上海应用技术大学 | Metal composite sheet peeling test device |
CN111912688A (en) * | 2020-08-18 | 2020-11-10 | 费勉仪器科技(上海)有限公司 | Multifunctional in-situ sample processing device under ultrahigh vacuum |
CN113029943A (en) * | 2021-03-31 | 2021-06-25 | 中铁检验认证中心有限公司 | Clamp for stripping and bonding performance test |
CN113777024A (en) * | 2021-11-11 | 2021-12-10 | 北京玻钢院复合材料有限公司 | Evaluation device and evaluation method for evaluating quality consistency of composite material tape winding prepreg |
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CN203053843U (en) * | 2012-12-29 | 2013-07-10 | 上海华碧检测技术有限公司 | Clamp for peel strength test |
CN103645134A (en) * | 2013-12-24 | 2014-03-19 | 东莞市科建检测仪器有限公司 | Annular initial adhesion tester |
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CN105067514A (en) * | 2015-07-28 | 2015-11-18 | 奇瑞汽车股份有限公司 | Vehicle asphalt plate peeling strength testing clamp |
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DE1948897A1 (en) * | 1969-09-27 | 1971-04-15 | Erichsen Gmbh & Co Kg | Pull off type adhesion tester for composite - metal-plastic laminates |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN109060654A (en) * | 2018-09-13 | 2018-12-21 | 济南联工测试技术有限公司 | A kind of automobile gluing ring cover tensile peel fixture |
CN110672514A (en) * | 2019-10-25 | 2020-01-10 | 上海应用技术大学 | Metal composite sheet peeling test device |
CN111912688A (en) * | 2020-08-18 | 2020-11-10 | 费勉仪器科技(上海)有限公司 | Multifunctional in-situ sample processing device under ultrahigh vacuum |
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CN113029943A (en) * | 2021-03-31 | 2021-06-25 | 中铁检验认证中心有限公司 | Clamp for stripping and bonding performance test |
CN113777024A (en) * | 2021-11-11 | 2021-12-10 | 北京玻钢院复合材料有限公司 | Evaluation device and evaluation method for evaluating quality consistency of composite material tape winding prepreg |
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Application publication date: 20180223 |