CN219474894U - Leakage testing device for waterproof coiled material - Google Patents
Leakage testing device for waterproof coiled material Download PDFInfo
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- CN219474894U CN219474894U CN202320578609.1U CN202320578609U CN219474894U CN 219474894 U CN219474894 U CN 219474894U CN 202320578609 U CN202320578609 U CN 202320578609U CN 219474894 U CN219474894 U CN 219474894U
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Abstract
The utility model provides a waterproof coiled material leakage testing device which comprises a pressurizing cylinder, a testing cylinder, a pressurizing assembly and a lifting assembly, wherein the pressurizing cylinder is arranged on the testing cylinder; the pressurizing cylinder and the testing cylinder are coaxially arranged, and the pressurizing cylinder is positioned above the testing cylinder; the input end of the pressurizing assembly is communicated with external pressure source equipment, and the output end of the pressurizing assembly is communicated with the pressurizing cylinder at least for injecting leakage testing liquid into the pressurizing cylinder; the lifting component is used for driving the pressurizing cylinder and the testing cylinder to be mutually attached or separated; at least one first annular groove is formed in one end, facing the test cylinder, of the pressurizing cylinder, a second annular groove corresponding to the first annular grooves one by one is formed in one end, facing the test cylinder, of the pressurizing cylinder, and an annular air bag is embedded in the first annular groove or the second annular groove and is communicated with an external air source. After the annular air bag is inflated and expanded, the waterproof coiled material to be detected tightly abuts against the inner wall of the annular groove, so that the reliability and stability of clamping the waterproof coiled material are enhanced on one hand, and labyrinth seal is formed on the other hand so as to enhance the waterproof sealing effect.
Description
Technical Field
The utility model relates to the field of detection equipment, in particular to a waterproof coiled material leakage testing device.
Background
The waterproof coiled material, such as waterproof cloth, needs to be subjected to leakage test operation before application, or needs to be evaluated and detected in the development process.
However, when most leakage testing devices are used for testing the leakage of the waterproof coiled material, water is very easy to seep from the contact position of the waterproof coiled material and the testing device, the waterproof sealing effect is poor, and then the testing device cannot accurately obtain the leakage testing result of the waterproof coiled material.
Disclosure of Invention
Aiming at the defects in the prior art, the waterproof roll leakage testing device provided by the utility model solves the technical problem that the waterproof sealing effect of the existing waterproof roll leakage testing device at the contact position with the waterproof roll is poor.
In order to achieve the above object, the present utility model is realized by the following technical scheme:
a leakage test device for waterproof coiled materials comprises a pressurizing cylinder, a testing cylinder, a pressurizing assembly and a lifting assembly; the pressurizing cylinder and the testing cylinder are coaxially arranged, the pressurizing cylinder is positioned above the testing cylinder, and a waterproof coiled material is clamped between the pressurizing cylinder and the testing cylinder; the input end of the pressurizing assembly is communicated with external pressure source equipment, and the output end of the pressurizing assembly is communicated with the pressurizing cylinder at least for injecting leakage testing liquid into the pressurizing cylinder; the lifting assembly is used for driving the pressurizing cylinder and the testing cylinder to be mutually attached or separated; at least one first annular groove is formed in one end, facing the test cylinder, of the pressurizing cylinder, a second annular groove corresponding to the first annular grooves one by one is formed in one end, facing the test cylinder, of the pressurizing cylinder, an annular air bag is embedded in the first annular groove or the second annular groove, and the annular air bag is communicated with an external air source.
Optionally, a first flange is arranged at one end, facing the testing cylinder, of the pressurizing cylinder, and the first annular groove is formed in the surface of the first flange; the test cylinder is provided with a second flange towards one end of the pressurizing cylinder, and the second annular groove is formed in the surface of the second flange; the first flange and the second flange are used together to clamp the waterproof coiled material.
Optionally, a pressure gauge is inserted into the top end or the periphery of the pressurizing cylinder, and the detection end of the pressure gauge extends to the bottom of the pressurizing cylinder.
Optionally, the pressurizing assembly comprises a liquid injection pipe inserted into the top end or the periphery of the pressurizing cylinder, and the liquid injection pipe is used for introducing the leakage testing liquid into the pressurizing cylinder.
Optionally, the device also comprises a recovery groove arranged below the test cylinder.
Optionally, the liquid injection pipe extends to the bottom of the pressurizing cylinder so as to facilitate recovery of the leakage testing liquid after the leakage testing is finished.
Optionally, the pressurizing assembly further comprises an air inlet pipe inserted into the top end of the pressurizing cylinder for introducing air into the pressurizing cylinder.
According to the technical scheme, the beneficial effects of the utility model are as follows:
the utility model provides a waterproof coiled material leakage testing device which comprises a pressurizing cylinder, a testing cylinder, a pressurizing assembly and a lifting assembly, wherein the pressurizing cylinder is arranged on the testing cylinder; the pressurizing cylinder and the testing cylinder are coaxially arranged, the pressurizing cylinder is positioned above the testing cylinder, and a waterproof coiled material is clamped between the pressurizing cylinder and the testing cylinder; the input end of the pressurizing assembly is communicated with external pressure source equipment, and the output end of the pressurizing assembly is communicated with the pressurizing cylinder at least for injecting leakage testing liquid into the pressurizing cylinder; the lifting assembly is used for driving the pressurizing cylinder and the testing cylinder to be mutually attached or separated; at least one first annular groove is formed in one end, facing the test cylinder, of the pressurizing cylinder, a second annular groove corresponding to the first annular grooves one by one is formed in one end, facing the test cylinder, of the pressurizing cylinder, an annular air bag is embedded in the first annular groove or the second annular groove, and the annular air bag is communicated with an external air source. After the annular air bag is inflated and expanded, the waterproof coiled material to be detected tightly abuts against the inner wall of the annular groove, so that the reliability and stability of clamping the waterproof coiled material are enhanced on one hand, and labyrinth seal is formed on the other hand so as to enhance the waterproof sealing effect.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
Fig. 1 is a schematic structural view of a waterproof roll leakage test device;
fig. 2 is a schematic structural view of a waterproof roll leakage test device in partial section;
FIG. 3 is an enlarged view of FIG. 2 at A;
FIG. 4 is a schematic view of the internal structure of the pressure cylinder;
reference numerals:
1-pressurizing cylinder, 2-testing cylinder, 3-base, 4-upright post, 5-recovery tank, 6-pressure gauge, 7-liquid injection pipe and 8-air inlet pipe;
11-a first flange, 21-a second flange, 41-a cantilever;
111-first annular groove, 211-second annular groove.
Detailed Description
Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.
The utility model provides a waterproof coiled material leakage testing device, referring to fig. 1-4, which comprises a pressurizing cylinder 1, a testing cylinder 2, a pressurizing assembly and a lifting assembly; the pressurizing cylinder 1 and the testing cylinder 2 are coaxially arranged, the pressurizing cylinder 1 is positioned above the testing cylinder 2, and a waterproof coiled material is clamped between the pressurizing cylinder 1 and the testing cylinder 2. Preferably, a pressure gauge 6 is further inserted at the top end or the periphery of the pressurizing cylinder 1, and the detection end of the pressure gauge 6 extends to the bottom of the pressurizing cylinder 1, so that the pressure value above the waterproof coiled material can be observed in real time through the pressure gauge 6 during the leak test. The input end of the pressurizing assembly is communicated with external pressure source equipment, and the output end of the pressurizing assembly is communicated with the pressurizing cylinder 1 at least for injecting leakage testing liquid into the pressurizing cylinder 1; the lifting assembly is used for driving the pressurizing cylinder 1 and the testing cylinder 2 to be mutually attached or separated; at least one first annular groove 111 is formed in one end, facing the test cylinder 2, of the pressure cylinder 1, second annular grooves 211 corresponding to the first annular grooves 111 one by one are formed in one end, facing the test cylinder 2, of the pressure cylinder 2, annular air bags are embedded in the first annular grooves 111 or the second annular grooves 211, and the annular air bags are communicated with an external air source. When the pressurizing cylinder 1 and the testing cylinder 2 are mutually attached, the first annular groove 111 and the second annular groove 211 form an annular cavity, and the annular air bag is accommodated in the annular cavity.
As a further improvement of the above scheme, a first flange 11 is arranged at one end of the pressurizing cylinder 1 facing the testing cylinder 2, and the first annular groove 111 is formed on the surface of the first flange 11; the end, facing the pressurizing cylinder 1, of the testing cylinder 2 is provided with a second flange 21, and the second annular groove 211 is formed in the surface of the second flange 21; the first flange 11 cooperates with the second flange 21 to hold the roll. The design of flange has increased the area of contact of pressurization section of thick bamboo 1 and test section of thick bamboo 2 and waterproofing membrane, is convenient for set up a plurality of annular chamber, and then forms labyrinth seal after inflation through two at least annular air bags to further improve the sealed effect of pressurization section of thick bamboo 1 and test section of thick bamboo 2 junction.
As a further improvement of the above-mentioned scheme, the pressurizing assembly comprises a liquid injection pipe 7 inserted into the top end or the periphery of the pressurizing cylinder 1, so as to be used for introducing the leakage testing liquid into the pressurizing cylinder 1. Preferably, the liquid injection pipe 7 extends to the bottom of the pressurizing cylinder 1 so as to recover the leakage testing liquid after the leakage testing is finished.
As a further improvement to the scheme, the device further comprises a recovery tank 5 arranged below the test cylinder 2 for collecting the leakage testing liquid, so that the device is convenient for recycling and can avoid the leakage testing liquid from being scattered everywhere. After the leak test is completed, the pressurizing cylinder 1 and the testing cylinder 2 can be directly driven to be separated from each other, and the waterproof coiled material directly falls into the lower recovery groove 5 under the pressure of the leak test.
As a further improvement of the above scheme, the pressurizing assembly further comprises an air inlet pipe 8 inserted into the top end of the pressurizing cylinder 1, so as to be used for introducing air into the pressurizing cylinder 1, so as to detect the waterproof performance of the waterproof coiled material under different air pressures.
Referring to fig. 1-2, in one embodiment, the leakage test device for waterproof coiled materials further includes a base 3 and an upright post 4 disposed on the top surface of the base 3; the test cylinder 2 is arranged on the top surface of the base 3 through an air cylinder or an oil cylinder and is positioned on one side of the upright post 4; the top surface of the base 3 is also provided with a recovery groove 5, and the recovery groove 5 surrounds the test cylinder 2; the top end of the upright post 4 is provided with a cantilever 41, and the top end of the pressurizing cylinder 1 is connected with one end, far away from the upright post 4, of the cantilever 41; the liquid injection pipe 7 and the air inlet pipe 8 are accommodated inside the upright post 4 and the cantilever 41.
In another embodiment, the waterproof coiled material leakage testing device further comprises a base 3 and an upright post 4 arranged on the top surface of the base 3, a cantilever 41 is arranged at the top end of the upright post 4, and the top end of the pressurizing cylinder 1 is connected with one end, far away from the upright post 4, of the cantilever 41; a screw motor is arranged on the upright post 4 and is used for enabling the cantilever 41 to slide up and down along the upright post 4; the liquid filling pipe 7 and the air inlet pipe 8 are also accommodated inside the upright post 4 and the cantilever 41.
When the leakage testing device is used, the cut waterproof coiled material is paved on the top surface of the testing cylinder 2, then the pressurizing cylinder 1 and the testing cylinder 2 are driven to be close to each other through the lifting component so as to primarily clamp the waterproof coiled material, then the annular air bag is inflated through an external air source to expand the waterproof coiled material, the inflated annular air bag tightly props against the waterproof coiled material to be detected on the inner wall of the annular groove so as to complete secondary clamping, and then the lifting component drives the pressurizing cylinder 1 and the testing cylinder 2 to be clung to each other so as to complete final clamping. It should be noted that, for the waterproof coiled material with poor elasticity, in the primary clamping stage, the pressurizing cylinder 1 and the testing cylinder 2 can only apply small clamping force, so that the waterproof coiled material can still be pulled and shifted by external force, the laying state of the coiled material can be adjusted in the annular air bag expansion process, and after the annular air bag is expanded in place, the clamping force can be increased. After the waterproof coiled material is finally clamped, the leak testing liquid is injected into the pressurizing cylinder 1 through the pressurizing assembly, or air is injected into the pressurizing cylinder to pressurize after the leak testing liquid is added, so that the leak testing detection of the waterproof coiled material is completed. After the leak testing is finished, the leak testing liquid in the pressurizing cylinder 1 can be pumped out through the liquid injection pipe 7, the pressurizing cylinder 1 and the testing cylinder 2 can be directly driven to be separated from each other, the waterproof coiled material directly falls into the recovery groove 5 below under the pressure of the leak testing liquid, and site personnel can take out from the recovery groove 5.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.
Claims (7)
1. The waterproof coiled material leakage testing device is characterized by comprising a pressurizing cylinder (1), a testing cylinder (2), a pressurizing assembly and a lifting assembly; the pressurizing cylinder (1) and the testing cylinder (2) are coaxially arranged, the pressurizing cylinder (1) is positioned above the testing cylinder (2), and a waterproof coiled material is clamped between the pressurizing cylinder (1) and the testing cylinder (2); the input end of the pressurizing assembly is communicated with external pressure source equipment, and the output end of the pressurizing assembly is communicated with the pressurizing cylinder (1) at least for injecting leakage testing liquid into the pressurizing cylinder (1); the lifting assembly is used for driving the pressurizing cylinder (1) and the testing cylinder (2) to be mutually attached or separated; at least one first annular groove (111) is formed in one end, facing the test cylinder (2), of the pressurizing cylinder (1), second annular grooves (211) corresponding to the first annular grooves (111) one by one are formed in one end, facing the test cylinder (2), of the pressurizing cylinder (1), annular air bags are embedded in the first annular grooves (111) or the second annular grooves (211), and the annular air bags are communicated with an external air source.
2. The waterproof roll leakage testing device according to claim 1, wherein a first flange (11) is arranged at one end of the pressurizing cylinder (1) facing the testing cylinder (2), and the first annular groove (111) is formed in the surface of the first flange (11); a second flange (21) is arranged at one end, facing the pressurizing cylinder (1), of the testing cylinder (2), and the second annular groove (211) is formed in the surface of the second flange (21); the first flange (11) and the second flange (21) cooperate to clamp the waterproof coiled material.
3. The waterproof coiled material leakage testing device according to claim 1, wherein a pressure gauge (6) is further inserted into the top end or the periphery of the pressurizing cylinder (1), and the detection end of the pressure gauge (6) extends to the bottom of the pressurizing cylinder (1).
4. The waterproof coiled material leakage testing device according to claim 1, wherein the pressurizing assembly comprises a liquid injection pipe (7) inserted into the top end or the periphery of the pressurizing cylinder (1) for introducing leakage testing liquid into the pressurizing cylinder (1).
5. The waterproof roll leakage testing device according to claim 4, further comprising a recovery tank (5) arranged below the test cylinder (2).
6. The waterproof coiled material leakage testing device according to claim 4, wherein the liquid injection pipe (7) extends to the bottom of the pressurizing cylinder (1) so as to recover the leakage testing liquid after the leakage testing is finished.
7. The waterproof roll leakage testing device according to any one of claims 1 to 6, wherein the pressurizing assembly further comprises an air inlet pipe (8) inserted into the top end of the pressurizing cylinder (1) for introducing air into the pressurizing cylinder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320578609.1U CN219474894U (en) | 2023-03-22 | 2023-03-22 | Leakage testing device for waterproof coiled material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320578609.1U CN219474894U (en) | 2023-03-22 | 2023-03-22 | Leakage testing device for waterproof coiled material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219474894U true CN219474894U (en) | 2023-08-04 |
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ID=87434715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320578609.1U Active CN219474894U (en) | 2023-03-22 | 2023-03-22 | Leakage testing device for waterproof coiled material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219474894U (en) |
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2023
- 2023-03-22 CN CN202320578609.1U patent/CN219474894U/en active Active
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