CN211206203U - Bonding performance testing device of self-adhesive waterproof coiled material under low-temperature environment - Google Patents
Bonding performance testing device of self-adhesive waterproof coiled material under low-temperature environment Download PDFInfo
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- CN211206203U CN211206203U CN201922049747.7U CN201922049747U CN211206203U CN 211206203 U CN211206203 U CN 211206203U CN 201922049747 U CN201922049747 U CN 201922049747U CN 211206203 U CN211206203 U CN 211206203U
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Abstract
The utility model discloses a bonding performance testing arrangement of autohension waterproofing membrane under low temperature environment. The scheme comprises a low-temperature test chamber, a bonding property holding measuring instrument and an automatic timing device, wherein the automatic timing device comprises an electronic timer body, a timing starting trigger switch and a timing stopping sensor. Adopt this testing arrangement, can carry out waterproofing membrane bonding operation under the simulation low temperature environment in the low temperature test case to waterproofing membrane after test, the automatic timing device test are pasted is long when bonding under the low temperature environment, and the simulation nature is better, and can be accurate, conveniently acquire low temperature condition waterproofing membrane and paste performance data, provide the reference of preferred for in-service use.
Description
Technical Field
The utility model relates to a waterproofing membrane capability test field, concretely relates to self-adhesion waterproofing membrane adhesion capability test device under low temperature environment.
Background
At present, the waterproof performance of a building is an important index for evaluating construction quality, and the performance of a waterproof material and a waterproof construction process play a decisive role.
At present, a large-area waterproof construction process is to lay a waterproof roll on a foundation surface and then cover concrete on the surface of the waterproof roll.
The poor binding force between the waterproof roll and the base surface can cause the problems of water channeling, water leakage and the like, so the bonding performance of the waterproof roll has great influence on the waterproof effect.
In the normal case: the bonding capability of the bonding material changes correspondingly with the change of the external environment, and the bonding test under the normal temperature environment can only reflect the construction bonding effect of the bonding material under the normal temperature environment, but cannot reflect the bonding effect after bonding of the bonding agent at a lower temperature (for example, below 0 ℃).
In the prior art, chinese patent application publication No. CN 108169122 a discloses a method for testing performance of a waterproof composite application system, which includes the following steps:
(1) preparing a sample, namely uniformly coating the non-cured rubber modified asphalt waterproof coating on the surface of the modified asphalt waterproof coiled material by two or three times to prepare a composite application system sample, wherein the non-cured thickness is 1.5-2.0 mm, and the bonding area is 50mm × 50 mm;
(2) and (3) performance testing: and (2) carrying out a permanent adhesion test, a peeling strength test, an adhesive strength test, an elongation test, a scurring resistance test and a creep property test in a shearing state on the sample prepared in the step (1).
The invention discloses a method for bonding a waterproof coiled material at normal temperature and testing the waterproof coiled material at normal temperature, and does not consider the construction bonding under the low-temperature environment and obtain the bonding effect which can be actually achieved under the low-temperature environment after the waterproof coiled material is bonded.
Therefore, the adhesion effect of the waterproof roll is not judged at low temperature construction.
Waterproofing membrane's application, it requires highly to the bonding effect of overlap edge, if can not realize effective bonding during the construction, the bonding interface will be polluted rapidly to the laying materials such as subsequent handling's grout, forms the moisture passageway, leads to waterproof inefficacy, so test waterproofing membrane bonds and the actual performance that exerts under low temperature environment, and then conveniently, the accurate material low temperature of acquireing uses the interval is very important and the urgent problem that needs to solve.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, an object of the utility model is to provide a bonding performance testing arrangement of autohension waterproofing membrane under low temperature environment, it can simulate waterproofing membrane that bonds under the low temperature environment to can make things convenient for, the accurate suitable use interval that tests out waterproofing membrane bonds.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:
the utility model provides a bonding performance testing arrangement of autohension waterproofing membrane under low temperature environment, includes: the automatic timing device comprises an electronic timer body, a timing start trigger switch and a timing stop sensor, the adhesion holding measuring instrument and the automatic timing device are arranged in the low-temperature test box, the automatic timing device comprises an electronic timer body, the timing start trigger switch and the timing stop sensor, the adhesion holding measuring instrument comprises a base, a suspension hook is arranged on the base, the suspension hook comprises a fixed end and a suspension end, the fixed end is fixed with the base, the suspension end is used for suspending a second connector to be tested, the timing start trigger switch is arranged below the fixed end and is in contact with the lower surface of the fixed end, the timing start trigger switch triggers and starts the electronic timer body after the second connector is suspended at the suspension end together with a counterweight;
the second connecting body comprises a first testing connecting block, a waterproof coiled material sample and a second testing connecting block, the waterproof coiled material sample is adhered to the first testing connecting block, and one end, far away from the first testing connecting block, of the waterproof coiled material sample is folded for 180 degrees and then fixed with the second testing connecting block;
the second connecting body is suspended on the suspension end in a mode that the second test connecting block is arranged above the first test connecting block and below the first test connecting block;
the timing stop sensor is a photoelectric sensor or an infrared sensor, the timing stop sensor is fixed on the base, the timing stop sensor faces the direction outside the base and is right opposite to the second connector, and when the timing stop sensor does not detect the obstacle of the second connector any more, the timing stop sensor triggers and stops the timing of the electronic timer body.
Through the arrangement, before the second connector is not hung, the timing start trigger switch is not triggered, after the second connector is bonded to form the second connector, the counterweight suspension is hung on the second test connecting block of the second connector and the second connector is hung behind the hanging end of the hanging hook, and the fixed end is abutted against the timing start trigger switch and triggers the timing start trigger switch, so that the electronic timer body is started to start timing; in the testing process, when the waterproofing membrane sample of second connector did not break away from with second test connecting block, the timing sensor is for not triggering the state, and the waterproofing membrane sample of second connector breaks away from or partly breaks away from to timing trigger sensor no longer detects the obstacle after completely with second test connecting block, the timing sensor triggers, promptly when the waterproofing membrane sample is no longer detected to photoelectric sensor's probe or infrared sensor's probe, the electronic timer body stops the timing, the waterproofing membrane sample that obtains the second connector breaks away from or the time that partly breaks away from with second test connecting block, adopt the automatic timing device, reducible artifical measuring error that pinches the table of manual work, be favorable to improving measuring accuracy, be convenient for realize automatic test.
Preferably, the timing stop sensor is flush with the height of the lower end face of the suspended second connecting block or is located below the lower end face of the second connecting block.
Through setting up like this, when starting to the time that breaks away from completely with the second test connection from the test for obtaining the waterproofing membrane sample, can set up the position of timing stop sensor in the below of the lower terminal surface at the lower terminal surface place after hanging with the second connecting block or be located the second connecting block, after the waterproofing membrane sample falls down under the action of gravity, the state that the timing stop sensor can detect this waterproofing membrane sample fast, the timing stop sensor no longer detects the barrier promptly, thereby send triggering signal, follow-up stop timing, obtain the timing time.
Preferably, at least one test mark line is arranged on the second test connecting block and is positioned in the range of bonding the waterproof coiled material sample and the second test connecting block, the distance from the test mark line to the lower end face of the second test connecting block after the test mark line is suspended with the second connecting block is H, the value of H is 0< H < 40mm, a test hole is formed in the second test connecting block and penetrates through the second test connecting block, the axis of the test hole vertically penetrates through the test mark line, and the timing stop sensor is arranged right opposite to the test hole.
Through the arrangement, the test mark line is arranged on the second test connecting block, the time from the start of the test to the time when the waterproof coiled material sample is separated from the test mark line is taken as the detection standard, and is different from the time when the waterproof coiled material sample is required to be completely separated from the second test connecting block to obtain the bonding property of the waterproof coiled material, by adopting the mode, the test time can be effectively reduced, the test efficiency is favorably improved, when the waterproof coiled material sample is not separated from the test mark line, the timing stop sensor is not triggered, when the waterproof coiled material sample is separated from the test mark line, namely, the waterproof coiled material sample is not closed to the test hole, the timing stop sensor is triggered, so that the electronic timer body stops timing, the automatic timing is realized when the waterproof coiled material sample is separated from the test mark line, therefore, the manual measurement error of manually plugging the meter can be reduced, and the measurement accuracy is favorably, and automatic testing is convenient to realize.
Preferably, H is 15mm, 25mm or 35 mm.
Through setting up like this, the tester selects the setting position of test mark line according to the bonding condition of coiled material, improves the suitability.
Compared with the prior art, the utility model discloses profitable technological effect has been obtained:
1. adopt this testing arrangement, can carry out waterproofing membrane bonding operation under the simulation low temperature environment in the low temperature test case to waterproofing membrane after test, the automatic timing device test are pasted is long when bonding under the low temperature environment, and the simulation nature is better, and can be accurate, conveniently acquire low temperature condition waterproofing membrane and paste performance data, provide the reference of preferred for in-service use.
2. By arranging the test mark line and arranging the timing stop sensor in the test hole just opposite to the second test connecting block, the time length from the test start to the separation of the waterproof coiled material sample to the position below the test mark line can be used as another test index of the waterproof coiled material, so that the test time is reduced, and the test efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of a low temperature test chamber and a bonding force testing device in embodiment 1 of the present invention;
fig. 2 is a schematic structural view of a second connecting body after a counterweight is connected in embodiment 1 of the present invention;
fig. 3 is a schematic structural diagram of a low temperature test chamber and a bonding force testing device in embodiment 2 of the present invention;
fig. 4 is a schematic view of an installation relationship between the adhesion measuring instrument and the second connecting body after the counterweight is connected in embodiment 2 of the present invention;
fig. 5 is a schematic structural view of a second connecting body after a counterweight is connected in embodiment 3 of the present invention;
fig. 6 is a schematic view of an installation relationship between the adhesion measuring instrument and the second connecting body after the counterweight is connected according to embodiment 4 of the present invention.
Wherein, the technical characteristics that each reference numeral refers to are as follows:
1. waterproof coiled material sample; 2. a first test connection block; 3. a low temperature test chamber; 4. adhesive force testing equipment; 401. a machine base; 5. a second test connection block; 501. testing the marking line; 502. a test well; 6. balancing weight; 7. starting a trigger switch in a timing manner; 8. a timing stop sensor; 9. a hanging hook; 901. a fixed end; 902. and (4) hanging the end.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments, but the scope of the present invention is not limited to the following specific embodiments.
Example 1
Referring to fig. 1 and fig. 2, this embodiment discloses a bonding performance testing device of a self-adhesive waterproofing membrane in a low temperature environment, including:
s1: cutting and manufacturing a waterproof coiled material sample 1, wherein the waterproof coiled material is a self-adhesive waterproof coiled material;
s2: bonding a waterproof coiled material sample 1 with a first test connecting block 2 at normal temperature (25 +/-2 ℃) to form a first connecting body;
the self-adhesive waterproof coiled material has firm bonding stability at normal temperature, so that one end of a waterproof coiled material sample 1 is firmly connected with the first test connecting block 2, and the end, away from the first test connecting block 2, of the waterproof coiled material sample 1 serves as a test end, and testing is facilitated;
s3: placing the first connecting body and the bonding force testing equipment 4 in a low-temperature test chamber 3 for preserving for a preset time t1The low-temperature test chamber 3 is preset with a temperature value T;
preset time t1Setting according to the test requirement, for example, if the actual construction process needs to be simulated, t needs to be set1Set to 24 hours or more, in this embodiment, t1Is 24 hours;
the preset temperature value T is selected according to the test requirement, for example, in order to obtain a temperature range which can be better played by the waterproof coiled material in the temperature range of-10 ℃ to 0 ℃, the test temperature value can be set in a step-type manner, and after the low temperature of 0 ℃, 1 ℃, 2 ℃, 3 ℃, 4 ℃, 5 ℃, 6 ℃, 7 ℃, 8 ℃, 9 ℃ and 10 ℃ is respectively kept and bonded, the bonding performance which can be actually played by the waterproof coiled material can be determined, so that a wider suitable use temperature range is determined, and then the selected temperature range is further subjected to a step-type temperature test, so that a more accurate suitable use temperature range is obtained for the waterproof coiled material to use and reference;
s4: in the low-temperature test box 3, after turning over one end of the waterproof coiled material sample 1 away from the first test connecting block 2 by 180 degrees, adhering the waterproof coiled material sample to the second test connecting block 5 to form a second connecting body;
s5: storing the second connecting body in the low-temperature test chamber 3 by another preset t2After that time, the adhesion performance of the second connected body was tested on the adhesion testing device 4.
And S1, cutting the to-be-detected coiled material along the edge to form a waterproof coiled material sample 1, wherein the cut length × width of the waterproof coiled material sample 1 is 200mm × 50 mm.
In S2, referring to national standards GB/T328.20-2007 and GB-T23260-.
And S4, folding one end, away from the first test connecting block 2, of the waterproof coiled material sample 1 in the first connecting body by 180 degrees, and then bonding the end to the surface of a second test connecting block 5, wherein the second test connecting block 5 is also a smooth aluminum plate cleaned by a solvent, the bonding area is 50mm, × 50mm, and a press roll with the width of 50-60 mm is used for rolling back and forth for 3 times, wherein the press roll is 2 kg.
Storing the second connected body in the low temperature test chamber 32After time, in this embodiment, t2In the embodiment, the second connecting body is hung on a bonding strength measuring instrument, when the second connecting body is hung, one end of the first testing connecting block 2 is arranged above one end of the second testing connecting block 5 is hung below the other end of the first testing connecting block 5, after the second connecting body is hung, a 1kg counterweight 6 is connected to the second testing connecting block 5 for testing, 1kg of the weight of the second testing connecting block 5 is included, and the time t for the waterproof coiled material sample 1 to fall off from the first testing connecting block 2 is recorded3In units of min.
Can be provided with a plurality of groups of waterproof coiled material samples 1 for testingFor example, set five sets of waterproof roll samples 1, take t3Of the average value thereof.
Example 2
Referring to fig. 3 and fig. 4, based on embodiment 1, this embodiment discloses another method for testing the adhesion performance of a self-adhesive waterproofing membrane in a low temperature environment, and the difference between this embodiment and the above embodiment 1 is:
the test method also uses an automatic timing device (not shown in the figure), the automatic timing device comprises an electronic timer body (not shown in the figure), a timing start trigger switch 7 and a timing stop sensor 8, the adhesion holding measuring instrument comprises a base 401, a suspension hook 9 is arranged on the base 401, the suspension hook 9 comprises a fixed end 901 and a suspension end 902, the fixed end 901 is fixed with the base 401, the suspension end 902 is used for suspending a second connector to be tested, the timing start trigger switch 7 is arranged below the fixed end 901 and is contacted with the lower surface of the fixed end 901, before the second connector is suspended, the timing start trigger switch 7 is not triggered, a counterweight is suspended on a second test connecting block of the second connector, and the second connector is suspended behind the suspension end 902 of the suspension hook 9, the fixed end 901 is pressed against the timing start trigger switch 7 to trigger, so that the electronic timer body is started.
The timing stop sensor 8 is a photoelectric sensor or an infrared sensor, the timing stop sensor 8 is fixed on the base 401 and is arranged towards the direction outside the base 401, the timing stop sensor 8 is arranged right opposite to the second connecting body, namely the timing stop sensor 8 is vertical to the plate surface of the second connecting block of the second connecting body, the plate surface of the first connecting block or the surface of the waterproof coiled material sample, in the implementation, the height of the lower end surface of the suspended timing stop sensor 8 and the second connecting block is flush or below the lower end surface of the second connecting block, when the waterproof coiled material sample of the second connecting body is not separated from the second testing connecting block, the timing sensor is in a non-triggering state, and when the waterproof coiled material sample of the second connecting body is completely separated from the second testing connecting block, the timing sensor is triggered, namely when the probe of the photoelectric sensor or the probe of the infrared sensor does not detect the waterproof coiled material sample any more, and stopping timing by the electronic timer body to obtain the time for separating the waterproof coiled material sample of the second connecting body from the second testing connecting block.
By adopting the automatic timing device, the manual measurement error of manual nipping and cutting of the meter can be reduced, the measurement accuracy can be improved, and the automatic test can be realized conveniently.
Example 3
Referring to fig. 5, based on example 1, this example discloses another method for testing the adhesion performance of a self-adhesive waterproofing membrane in a low temperature environment, and the difference between this example and example 1 is that:
at least one test mark line 501 is arranged on the second test connecting block, and the test mark line 501 is positioned in the bonding range of the waterproof coiled material sample and the second test connecting block.
After the second connecting body is hung, the lower end face of the second testing connecting block is a first end face, and the upper end face of the second testing connecting block is a second end face.
In this embodiment, the distance between the test mark line 501 and the first end surface is H, and the value of H is 0< H ≦ 40 mm.
H can take the values of 40mm, 35mm, 30mm, 25mm, 20mm, 15mm, 10mm and 5 mm.
In this embodiment, the mode of inspecting the adhesive property of the waterproofing membrane is:
suspending the second connection to the adhesion measuring instrument and adding a balance weight, starting timing until the waterproof coiled material sample falls off to the test mark line 501, stopping timing, and obtaining time tFixed lengthIn this way, t is quoted, unlike the waterproof roll bonding performance which can be obtained by waiting for the waterproof roll sample to completely separate from the second test connection blockFixed lengthThe test parameter can effectively reduce the test time and is beneficial to improving the test efficiency.
Example 4
Referring to fig. 6, based on example 2 and example 3, this example discloses another method for testing the adhesion performance of a self-adhesive waterproofing membrane in a low temperature environment, and the difference between this example and example 2 and example 3 is that:
be provided with test hole 502 on the second test connecting block, test hole 502 runs through the second test connecting block, and the axis of test hole 502 passes the test mark line perpendicularly (not marked in the figure), timing stop sensor 8 is just to test hole 502, when waterproofing membrane sample did not break away from under the test mark line, timing stop sensor 8 does not trigger, when the waterproofing membrane sample breaks away from under the test mark line, when the waterproofing membrane sample no longer seals test hole 502, timing stop sensor 8 triggers, thereby the electronic timer body stops timing, obtain test time.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. In addition, although specific terms are used in the specification, the terms are used for convenience of description and do not limit the utility model in any way.
Claims (4)
1. The utility model provides a bonding performance testing arrangement of autohension waterproofing membrane under low temperature environment which characterized in that includes: the automatic timing device comprises an electronic timer body, a timing start trigger switch and a timing stop sensor, the adhesion holding measuring instrument and the automatic timing device are arranged in the low-temperature test box, the automatic timing device comprises an electronic timer body, the timing start trigger switch and the timing stop sensor, the adhesion holding measuring instrument comprises a base, a suspension hook is arranged on the base, the suspension hook comprises a fixed end and a suspension end, the fixed end is fixed with the base, the suspension end is used for suspending a second connector to be tested, the timing start trigger switch is arranged below the fixed end and is in contact with the lower surface of the fixed end, the timing start trigger switch triggers and starts the electronic timer body after the second connector is suspended at the suspension end together with a counterweight;
the second connecting body comprises a first testing connecting block, a waterproof coiled material sample and a second testing connecting block, the waterproof coiled material sample is adhered to the first testing connecting block, and one end, far away from the first testing connecting block, of the waterproof coiled material sample is folded for 180 degrees and then fixed with the second testing connecting block;
the second connecting body is suspended on the suspension end in a mode that the second test connecting block is arranged above the first test connecting block and below the first test connecting block;
the timing stop sensor is a photoelectric sensor or an infrared sensor, the timing stop sensor is fixed on the base, the timing stop sensor faces the direction outside the base and is right opposite to the second connector, and when the timing stop sensor does not detect the obstacle of the second connector any more, the timing stop sensor triggers and stops the timing of the electronic timer body.
2. The device for testing the bonding performance of the self-adhesive waterproof roll material in a low-temperature environment according to claim 1, wherein the timing stop sensor is flush with the height of the lower end face of the second connecting block after the second connecting block is hung or is positioned below the lower end face of the second connecting block.
3. The device for testing the bonding performance of the self-adhesive waterproof roll material in the low-temperature environment according to claim 1, wherein the second test connecting block is provided with at least one test mark line, the test mark line is located in the range of bonding the waterproof roll material sample and the second test connecting block, the distance from the test mark line to the lower end face of the self-adhesive waterproof roll material suspended by the second connecting block is H, the value of H is 0< H < 40mm, the second test connecting block is provided with a test hole, the test hole penetrates through the second test connecting block, the axis of the test hole vertically penetrates through the test mark line, and the timing stop sensor is arranged right opposite to the test hole.
4. The device for testing the adhesion performance of the self-adhesive waterproof roll material in a low-temperature environment according to claim 3, wherein H is 15mm, 25mm or 35 mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922049747.7U CN211206203U (en) | 2019-11-22 | 2019-11-22 | Bonding performance testing device of self-adhesive waterproof coiled material under low-temperature environment |
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| CN201922049747.7U CN211206203U (en) | 2019-11-22 | 2019-11-22 | Bonding performance testing device of self-adhesive waterproof coiled material under low-temperature environment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112254880A (en) * | 2020-09-27 | 2021-01-22 | 深圳市盐田港建筑工程检测有限公司 | Building waterproof detection device |
| CN114354446A (en) * | 2022-01-07 | 2022-04-15 | 中车青岛四方机车车辆股份有限公司 | Rail vehicle window sealant selection evaluation method |
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2019
- 2019-11-22 CN CN201922049747.7U patent/CN211206203U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112254880A (en) * | 2020-09-27 | 2021-01-22 | 深圳市盐田港建筑工程检测有限公司 | Building waterproof detection device |
| CN112254880B (en) * | 2020-09-27 | 2021-10-29 | 深圳市盐田港建筑工程检测有限公司 | Building waterproof detection device |
| CN114354446A (en) * | 2022-01-07 | 2022-04-15 | 中车青岛四方机车车辆股份有限公司 | Rail vehicle window sealant selection evaluation method |
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