CN111458275A - Air bag sealing device for concrete test block penetration test - Google Patents
Air bag sealing device for concrete test block penetration test Download PDFInfo
- Publication number
- CN111458275A CN111458275A CN202010330028.7A CN202010330028A CN111458275A CN 111458275 A CN111458275 A CN 111458275A CN 202010330028 A CN202010330028 A CN 202010330028A CN 111458275 A CN111458275 A CN 111458275A
- Authority
- CN
- China
- Prior art keywords
- air bag
- test block
- sleeve
- sealing device
- test
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 58
- 230000035515 penetration Effects 0.000 title claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000002347 injection Methods 0.000 claims abstract description 16
- 239000007924 injection Substances 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 239000013013 elastic material Substances 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000012188 paraffin wax Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/0806—Details, e.g. sample holders, mounting samples for testing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/14—Sealings between relatively-stationary surfaces by means of granular or plastic material, or fluid
Landscapes
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Dispersion Chemistry (AREA)
- Mechanical Engineering (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention relates to a gasbag sealing device for a concrete test block penetration test, which comprises a base for bearing a test block, a sleeve arranged on the base, a gasbag with an annular cross section arranged in the sleeve, and an upper cover covering the sleeve, wherein the height of the gasbag is higher than or equal to that of the test block, an inflation cavity is arranged in the gasbag, a gap is reserved between the inner wall of the gasbag and the side surface of the test block before the gasbag is inflated, the inner wall of the gasbag is tightly attached to the side surface of the test block after the gasbag is inflated, an inflation inlet communicated with the inflation cavity is arranged on the outer wall of the gasbag, an opening is arranged on the side wall of the sleeve and corresponds to the inflation inlet, at least one water injection channel is arranged on the base, and a water injection inlet of the water injection channel is arranged. The air bag sealing device for the concrete test block penetration test has the advantages of simple structure, time and labor saving, high sealing efficiency and capability of ensuring the sealing quality.
Description
Technical Field
The invention belongs to the field of concrete detection devices, and particularly relates to a sealing device for a concrete impermeability test.
Background
The impermeability of concrete is one of the important indexes of the durability of concrete, when the impermeability of a concrete test block is tested, a truncated cone-shaped test block with the diameter of 175mm at the upper bottom, the diameter of 185mm at the lower bottom and the height of 150mm needs to be manufactured according to the national standard, test water needs to permeate from one bottom to the other bottom of the test block but cannot permeate from the side (conical surface) of the test block, so the side of the test block needs to be sealed. The sealing treatment of the test block is particularly important, and the impermeability of concrete cannot be accurately tested if the test block is not sealed well.
The sealing methods in the prior art mainly include two types:
the first mode is to utilize an elastic sealing sleeve with a certain thickness to seal the test block, the size of the elastic sealing sleeve is slightly smaller than that of the test block, and the elastic sealing sleeve is sleeved outside the test block when in use, so that the operation is simple, but if the size of the elastic sealing sleeve is too large, the elastic sealing sleeve has a fitting problem, and if the size of the elastic sealing sleeve is too small, the elastic sealing sleeve is not easily sleeved outside the test block, so that the difficulty degree of sleeving and the fitting degree with the side surface of the test block cannot be considered;
the second method is to seal the test block by using paraffin, which requires heating the paraffin to be completely melted, rolling the side surface of the test block for a circle in the melted paraffin, and waiting for cooling to form a paraffin sealing layer on the side surface of the test block.
The two modes adopt manual sealing, and the problems of time and labor consumption, low sealing efficiency and incapability of ensuring the sealing quality exist.
Disclosure of Invention
The invention aims to solve the technical problem of providing the air bag sealing device for the concrete test block penetration test, which has the advantages of simple structure, time and labor saving, high sealing efficiency and capability of ensuring the sealing quality.
The invention relates to a gasbag sealing device for a concrete test block penetration test, which comprises a base for bearing a test block, a sleeve arranged on the base, a gasbag with an annular cross section arranged in the sleeve, and an upper cover covering the sleeve, wherein the height of the gasbag is higher than or equal to that of the test block, an inflation cavity is arranged in the gasbag, a gap is reserved between the inner wall of the gasbag and the side surface of the test block before the gasbag is inflated, the inner wall of the gasbag is tightly attached to the side surface of the test block after the gasbag is inflated, an inflation inlet communicated with the inflation cavity is arranged on the outer wall of the gasbag, an opening is arranged on the side wall of the sleeve and corresponds to the inflation inlet, at least one water injection channel is arranged on the base, and a water injection inlet of the water injection channel is arranged on the.
The air bag sealing device for the concrete test block penetration test is characterized in that the air bag is made of rubber or other elastic materials.
The air bag sealing device for the concrete test block penetration test is characterized in that the base, the sleeve and the upper cover are made of plastic materials.
The air bag sealing device for the concrete test block penetration test further comprises a metal protective cover, and the metal protective cover is pressed and sleeved outside the upper cover and the sleeve.
The air bag sealing device for the concrete test block penetration test is characterized in that the upper cover is provided with a plurality of air vents.
The air bag sealing device for the concrete test block penetration test is characterized in that the open holes are long circular holes.
The air bag sealing device for the concrete test block penetration test is characterized in that after the air bag is inflated, the inner wall of the upper cover is in contact with the air bag, the upper end face of the sleeve and the upper bottom face of the test block.
The air bag sealing device for the concrete test block penetration test further comprises a water-sensitive sensor and a pressure sensor, wherein the water-sensitive sensor is arranged on the upper bottom surface of the test block or the contact position of the bottom surface of the inner wall of the upper cover and the upper bottom surface of the test block, and the pressure sensor is arranged on the lower bottom surface of the test block or the contact position of the upper surface of the base and the lower bottom surface of the test block.
The air bag sealing device for the concrete test block penetration test is different from the prior art in that the air bag sealing device for the concrete test block penetration test comprises a base, a sleeve arranged on the base, an air bag with an annular cross section and arranged in the sleeve, and an upper cover covering the sleeve, and is simple in structure, an inflation cavity is arranged in the air bag, a gap is reserved between the inner wall of the air bag and the side surface of the test block before the air bag is inflated.
In the air bag sealing device for the concrete test block penetration test, the base, the sleeve and the upper cover are made of plastic materials, so that rusting is avoided; the metal protective cover is sleeved outside the upper cover and the sleeve in a pressing mode, so that the test block can be further compressed, and an explosion-proof effect can be achieved.
The air bag sealing device for the concrete test block penetration test of the present invention will be further described with reference to the accompanying drawings.
Drawings
FIG. 1 is a front view of an air bag sealing device for a concrete block penetration test according to the present invention;
FIG. 2 is a schematic view taken along A-A in FIG. 1;
FIG. 3 is a schematic view of the balloon after inflation, showing the test block;
FIG. 4 is a perspective view of the present invention with the protective cover removed;
FIG. 5 is a perspective view of a base in the air bag sealing device for a concrete block penetration test according to the present invention;
FIG. 6 is a perspective view of a sleeve in the air bag sealing device for a concrete block penetration test according to the present invention;
FIG. 7 is a perspective view of an upper cover of the air bag sealing device for a concrete block penetration test according to the present invention;
FIG. 8 is a perspective view of a metal shield in the air-tight packing for a concrete block infiltration test according to the present invention.
Detailed Description
As shown in fig. 1 and 2, the air bag sealing device for the concrete test block penetration test of the invention comprises a base 1 for bearing a test block 1 ', a sleeve 2 arranged on the base 1, an air bag 3 which is arranged in the sleeve 2 and is made of rubber with an annular cross section, an upper cover 4 covering the sleeve 2, and a metal protective cover 5, wherein the height of the air bag 3 is higher than or equal to that of the test block 1', an inflation cavity 31 (shown in fig. 3) is arranged in the air bag 3, a gap is reserved between the inner wall of the air bag 3 and the side surface of the test block 1 'before the air bag is inflated, as shown in fig. 3, the inner wall of the air bag 3 is tightly attached to the side surface of the test block 1' after the air bag is inflated, an inflation opening 32 communicated with the inflation cavity 31 is arranged on the outer wall of the air bag 3, as shown in combination with fig. 1, 2, 4 and 6, an opening 21 is arranged on the side wall of the sleeve 2 corresponding to the inflation opening 32, at least one water injection channel is arranged on the base 1, as shown in fig. 2 and 5, a water outlet of the water injection channel extends to the boss 12 at the center of the base 1, a water injection port 111 of the water injection channel is arranged on the peripheral wall of the base 1, and three water injection ports 111 are arranged in the figure. When the test block is used, the test block 1 'is placed on the central boss 12 of the base 1, test water is required to be supplied by pressing force, and the test water enters the test block 1' through the water injection port 111, the water injection channel and the water outlet.
The base 1, the sleeve 2 and the upper cover 4 are made of plastic materials. The metal shield 5 is pressed and sleeved outside the upper cover 4 and the sleeve 2, the metal shield 5 is made of stainless steel, as shown in fig. 1 and 8, a hole 51 is formed in the metal shield 5, the position of the hole 51 corresponds to the positions of the inflation inlet 32 and the opening 21, and the hole 51 is an oblong hole.
As shown in fig. 7, in the air-bag sealing device for a concrete sample infiltration test of the present invention, a plurality of air vent holes 41 are uniformly formed in the upper cover 4, and the air vent holes 41 are located above the sample 1'. After the air bag 3 is inflated, the inner wall of the upper cover 4 is contacted with the air bag 3, the upper end surface of the sleeve 2 and the upper bottom surface of the test block 1'.
As shown in FIG. 4, the air bag sealing device for the concrete block penetration test further comprises a water sensor 6 and a pressure sensor, wherein the water sensor 6 is arranged on the upper bottom surface of the block 1 'or the contact position of the bottom surface of the inner wall of the upper cover 4 and the upper bottom surface of the block 1', and the pressure sensor is arranged on the lower bottom surface of the block 1 'or the contact position of the upper surface of the base 1 and the lower bottom surface of the block 1'. When the water-sensitive sensor 6 detects a water leakage signal, the signal is fed back to the control system, the control system controls the air pump to stop injecting water into the water leakage test block, and the control system does not belong to the invention.
In the air bag sealing device for the concrete test block penetration test, the air bag 3 can also be made of other elastic materials, the air bag 3 can be of a hollow round table structure or a taper pipe structure, the air bag can completely surround and seal the side surface of the test block after the air is filled in the air charging cavity, and test water cannot flow out of the side surface of the test block.
The air bag sealing device for the concrete test block penetration test is simple in structure, when the air bag sealing device is used, a test block is filled into the air bag sealing device, the air bag is inflated by the air pump, the air bag is inflated and then expands, the inner wall of the air bag encircles the side face of the test block and is tightly attached to the side face of the test block, the side face of the test block is sealed, manual operation is not needed, time and labor are saved, the sealing efficiency is high, the sealing quality problem caused by the existence of air holes in the sealing layer does not exist, and the sealing quality can be guaranteed. The test block is sealed by filling air in the air bag, the surface of the test block cannot be polluted by the filled air, and the test block can be distinguished easily when water seeps. The base, the sleeve and the upper cover are made of plastic materials, so that rusting is avoided; the metal protective cover is sleeved outside the upper cover and the sleeve, so that the test block can be further compressed, and an explosion-proof effect can be achieved.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (8)
1. The utility model provides a concrete test block is gasbag sealing device for penetration test which characterized in that: comprises a base (1) for bearing a test block (1 '), a sleeve (2) arranged on the base (1), an air bag (3) with an annular cross section arranged in the sleeve (2), and an upper cover (4) covered above the sleeve (2), wherein the height of the air bag (3) is higher than or equal to that of the test block (1'), an inflation cavity (31) is arranged in the air bag (3), a gap is reserved between the inner wall of the air bag (3) and the side surface of the test block (1 ') before the air bag is inflated, the inner wall of the air bag (3) is tightly attached to the side surface of the test block (1') after the air bag (3) is inflated, an inflation opening (32) communicated with the inflation cavity (31) is arranged on the outer wall of the air bag (3), and an opening (21) is arranged on the side wall of the sleeve (2) at a position corresponding to, at least one water injection channel is arranged on the base (1), and a water injection port (111) of the water injection channel is arranged on the peripheral wall of the base (1).
2. The air bag sealing device for the concrete block penetration test according to claim 1, wherein: the air bag (3) is made of rubber or other elastic materials.
3. The air bag sealing device for the concrete block penetration test according to claim 2, wherein: the base (1), the sleeve (2) and the upper cover (4) are made of plastic materials.
4. The air bag sealing device for the concrete block penetration test according to claim 3, wherein: the protective sleeve is characterized by further comprising a metal protective cover (5), wherein the metal protective cover (5) is sleeved outside the upper cover (4) and the sleeve (2) in a pressing mode.
5. The air bag sealing device for the concrete block penetration test according to claim 4, wherein: the upper cover (4) is provided with a plurality of exhaust holes (41).
6. The air bag sealing device for the concrete block penetration test according to claim 5, wherein: the metal protective cover (5) is provided with a hole (51), the position of the hole (51) corresponds to the positions of the inflation inlet (32) and the opening hole (21), and the hole (51) is an oblong hole.
7. The air bag sealing device for the concrete block penetration test according to claim 6, wherein: after the air bag (3) is inflated, the inner wall of the upper cover (4) is in contact with the air bag (3), the upper end face of the sleeve (2) and the upper bottom face of the test block (1').
8. The air bag sealing device for the concrete block penetration test according to claim 7, wherein: the water-sensitive test device is characterized by further comprising a water-sensitive sensor and a pressure sensor, wherein the water-sensitive sensor is arranged on the upper bottom surface of the test block (1 ') or on the contact position of the bottom surface of the inner wall of the upper cover (4) and the upper bottom surface of the test block (1'), and the pressure sensor is arranged on the lower bottom surface of the test block (1 ') or on the contact position of the upper surface of the base (1) and the lower bottom surface of the test block (1').
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010330028.7A CN111458275A (en) | 2020-04-24 | 2020-04-24 | Air bag sealing device for concrete test block penetration test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010330028.7A CN111458275A (en) | 2020-04-24 | 2020-04-24 | Air bag sealing device for concrete test block penetration test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111458275A true CN111458275A (en) | 2020-07-28 |
Family
ID=71683804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010330028.7A Pending CN111458275A (en) | 2020-04-24 | 2020-04-24 | Air bag sealing device for concrete test block penetration test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111458275A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111785147A (en) * | 2020-08-13 | 2020-10-16 | 陕西省一九四煤田地质有限公司 | Natural gas yield prediction model |
| CN112730199A (en) * | 2021-02-01 | 2021-04-30 | 温州市市政工程建设开发公司 | Water permeability detection device and method for permeable asphalt concrete |
| CN113218836A (en) * | 2021-04-13 | 2021-08-06 | 宁夏同润华盛建设工程有限公司 | Test device for detecting seepage failure ratio degradation quality of plastic concrete diaphragm wall |
| CN115015085A (en) * | 2022-06-22 | 2022-09-06 | 中国矿业大学 | Test device for detecting seepage failure ratio degradation quality of plastic concrete diaphragm wall |
| CN115791564A (en) * | 2022-12-13 | 2023-03-14 | 中冶检测认证(上海)有限公司 | Test mould for mortar impermeability detection, mortar impermeability instrument and impermeability detection method |
-
2020
- 2020-04-24 CN CN202010330028.7A patent/CN111458275A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111785147A (en) * | 2020-08-13 | 2020-10-16 | 陕西省一九四煤田地质有限公司 | Natural gas yield prediction model |
| CN112730199A (en) * | 2021-02-01 | 2021-04-30 | 温州市市政工程建设开发公司 | Water permeability detection device and method for permeable asphalt concrete |
| CN113218836A (en) * | 2021-04-13 | 2021-08-06 | 宁夏同润华盛建设工程有限公司 | Test device for detecting seepage failure ratio degradation quality of plastic concrete diaphragm wall |
| CN115015085A (en) * | 2022-06-22 | 2022-09-06 | 中国矿业大学 | Test device for detecting seepage failure ratio degradation quality of plastic concrete diaphragm wall |
| CN115791564A (en) * | 2022-12-13 | 2023-03-14 | 中冶检测认证(上海)有限公司 | Test mould for mortar impermeability detection, mortar impermeability instrument and impermeability detection method |
| CN115791564B (en) * | 2022-12-13 | 2023-10-13 | 中冶检测认证(上海)有限公司 | Test mold for detecting mortar impermeability, mortar impermeability instrument and impermeability detection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111458275A (en) | Air bag sealing device for concrete test block penetration test | |
| CN111609326B (en) | Gas leakage detection and plugging device | |
| CN104390093B (en) | Close water, Air-tight Test method and usedly close water, double-purpose shutoff of holding one's breath test air bag | |
| CN201225965Y (en) | Gas control type groundwater constant depth sampler | |
| CN106483180A (en) | Blood gas analyzer and its vim and vigour biochemical test card | |
| CN205562462U (en) | Blood gas analysis appearance and biochemical test card of vim and vigour thereof | |
| CN206906209U (en) | A kind of radial penetration experimental provision for being used to evaluate soil body radial penetration characteristic | |
| CN206074567U (en) | Liquid level volatilization gas detector closure construction | |
| CN106483179A (en) | Blood gas analyzer and its vim and vigour biochemical test card | |
| CN214174090U (en) | Coal rock anisotropic adsorption expansion and permeability testing device | |
| CN212674719U (en) | Air bag sealing device for concrete test block penetration test | |
| CN208721546U (en) | A kind of antifouling barrier materials chemistry compatibility test device in underground | |
| CN210604309U (en) | High-pressure sealing extrusion device | |
| CN113029895B (en) | Concrete impermeability test device and test method | |
| CN107727453A (en) | A kind of flowover-proof type urine liquid sampler | |
| CN213274746U (en) | Leakage monitoring device for flange structure at heat exchange station heating power pipeline joint | |
| CN208715604U (en) | Contamination feed transfer device | |
| CN213148229U (en) | Novel oil field gas tightness detects sealed device | |
| CN207963949U (en) | A kind of detection device detecting packaging bag air-tightness and resistance to pressure | |
| CN209117285U (en) | A kind of management grout sleeve spillage detection device | |
| CN217738580U (en) | Portable building infiltration short-term test device | |
| CN220470624U (en) | Sealing device for concrete water-resistant penetration test | |
| CN211527968U (en) | Negative pressure collection system is prevented leaking by air | |
| CN217542773U (en) | Concrete impermeability detection device | |
| CN220939225U (en) | Solid phase extraction device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 061000 Guo Zhuang Zhen Yang Zhuang Zi Cun, Xian County, Cangzhou City, Hebei Province Applicant after: Hebei Tianheng Weiye Test Instrument Co.,Ltd. Address before: 061000 Guo Zhuang Zhen Zhuang Zi Cun, Xian County, Cangzhou City, Hebei Province Applicant before: Hebei Tianheng Weiye Test Instrument Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210726 Address after: 061000 yangzhuangzi village, Guozhuang Town, Xian County, Cangzhou City, Hebei Province Applicant after: Hebei Tianheng Weiye Test Instrument Co.,Ltd. Applicant after: Situorui (Hebei) measurement and Control Technology Co.,Ltd. Applicant after: Situorui (Tianjin) measurement and Control Technology Co.,Ltd. Address before: 061000 yangzhuangzi village, Guozhuang Town, Xian County, Cangzhou City, Hebei Province Applicant before: Hebei Tianheng Weiye Test Instrument Co.,Ltd. |
|
| TA01 | Transfer of patent application right |