CN114034615A - Impervious detection device of precast concrete pipe - Google Patents
Impervious detection device of precast concrete pipe Download PDFInfo
- Publication number
- CN114034615A CN114034615A CN202111180535.8A CN202111180535A CN114034615A CN 114034615 A CN114034615 A CN 114034615A CN 202111180535 A CN202111180535 A CN 202111180535A CN 114034615 A CN114034615 A CN 114034615A
- Authority
- CN
- China
- Prior art keywords
- concrete pipe
- detection device
- precast concrete
- water injection
- sealing
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 26
- 239000011178 precast concrete Substances 0.000 title claims abstract description 17
- 239000004567 concrete Substances 0.000 claims abstract description 34
- 238000007789 sealing Methods 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000002347 injection Methods 0.000 claims abstract description 19
- 239000007924 injection Substances 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000003044 adaptive effect Effects 0.000 claims abstract description 5
- 238000003860 storage Methods 0.000 claims abstract description 5
- 238000013459 approach Methods 0.000 claims abstract description 4
- 230000006835 compression Effects 0.000 claims description 17
- 238000007906 compression Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 13
- 238000012544 monitoring process Methods 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000012806 monitoring device Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 230000003487 anti-permeability effect Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000002969 artificial stone Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000006467 substitution reaction Methods 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
- F16J15/46—Sealings with packing ring expanded or pressed into place by fluid pressure, e.g. inflatable packings
-
- 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
- G01N15/082—Investigating permeability by forcing a fluid through a sample
- G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pathology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Health & Medical Sciences (AREA)
- Fluid Mechanics (AREA)
- Dispersion Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Examining Or Testing Airtightness (AREA)
- Pipe Accessories (AREA)
Abstract
The invention provides a precast concrete pipe impermeability detection device, which comprises a base and a sealing end mechanism, wherein the sealing end mechanism comprises a stand column, a mounting plate fixedly arranged on the side wall of the upper end of the stand column and a sealing end plug fixedly arranged on the side wall of the mounting plate, the sealing end plug is in adaptive splicing with a concrete pipe port to complete sealing and closing, and two sides of the base are provided with telescopic columns for driving the sealing end mechanism to approach towards or separate away from each other; run through on one of them end-capping mechanism and be equipped with the water injection pipe, water injection pipe one end intercommunication storage water tank, the other end and concrete pipe inner chamber intercommunication, this application monitoring devices is applicable to the impervious detection of different model specification pipelines, and whole automation is controlled, and is simple high-efficient, and the water injection leakproofness is good, has improved the accurate nature that detects greatly, and is high-efficient practical.
Description
Technical Field
The invention relates to the technical field of production and processing of concrete pipes, in particular to a precast concrete pipe impermeability detection device.
Background
Concrete is an artificial stone widely used in construction, and for some buildings, such as hydraulic construction, underwater, underground and other construction projects, the buildings are required to have a special performance, namely, impermeability. Impervious concrete refers to concrete having an impermeability rating equal to or greater than the P6 rating. The impervious concrete is divided into 5 grades of P6, P8, P10, P12 and more than P12 according to different impervious pressure. The impervious concrete improves the pore structure by improving the compactness of the concrete, thereby reducing a permeation channel and improving the impermeability.
The impermeability refers to the resistance of the materials used in the construction to the penetration of water and other liquid (light oil, heavy oil) media under pressure. The concrete impermeability instrument is used for testing the impermeability of concrete, but the existing impermeability experiment device has complex structure, high production cost and poor experiment effect, and can not achieve ideal experiment results.
Disclosure of Invention
In view of this, the invention aims to provide a precast concrete pipe impermeability detection device, which is suitable for impermeability detection of pipelines of different types and specifications, is integrally and automatically controlled, is simple and efficient, has good water injection tightness, greatly improves the detection accuracy, and is efficient and practical.
In order to achieve the purpose, the invention provides the following technical scheme:
a precast concrete pipe impermeability detection device comprises a base and end capping mechanisms slidably mounted on two sides of the base, wherein each end capping mechanism comprises an upright post, a mounting plate fixedly arranged on the side wall of the upper end of the upright post and an end capping plug fixedly arranged on the side wall of the mounting plate, the end capping plugs are in adaptive splicing with concrete pipe ports to complete sealing and closing, and two sides of the base are provided with telescopic columns for driving the end capping mechanisms to approach or separate from each other oppositely; one end-sealing mechanism is provided with a water injection pipe in a penetrating mode, one end of the water injection pipe is communicated with the water storage tank, and the other end of the water injection pipe is communicated with the inner cavity of the concrete pipe.
As a further preferred mode of the invention, the upper surface of the base is provided with a sliding groove, and the bottom end of the upright post is provided with a sliding block which is in adaptive connection with the sliding groove.
As further optimization of the invention, the upright post is of a telescopic rod structure, and the outer wall of the upright post is provided with a scale value for observing the height of the sealing plug.
Preferably, the middle part of the base is provided with a longitudinal through groove, and a conveying belt is arranged in the longitudinal through groove and used for conveying and moving the concrete pipe.
Preferably, the end plug is of a truncated cone structure, and the end plug is made of an integral rubber material or a built-in rigid material and an outer layer coated with a rubber material.
Preferably, a hollow compression ring is arranged on one side, close to the mounting plate, of the sealing end plug, an annular hollow air bag is arranged on one side, not the mounting plate, of the sealing end plug, a plurality of vent grooves are formed in the sealing end plug, one end of each vent groove is communicated with the hollow compression ring, and the other end of each vent groove is communicated with the annular hollow air bag.
Preferably, the hollow compression ring and the annular hollow air bag are made of rubber materials, the hollow compression ring compresses and extends along the long axis direction of the concrete pipe, and the annular hollow air bag contracts and expands along the direction vertical to the long axis direction of the concrete pipe.
Further preferably, the number of the vent grooves is at least 1.
Preferably, the water injection pipe is provided with a pressure pump for regulating and controlling the pressure in the concrete pipe, and the outer end surface of the sealing plug is provided with a pressure sensor for monitoring the pressure in the concrete pipe.
The invention has the beneficial effects that: the anti-permeability detection device is suitable for anti-permeability detection of pipelines of different types and specifications, is integrally and automatically controlled, is simple and efficient, has good water injection sealing performance, greatly improves the detection accuracy, and is efficient and practical.
Set the conveyer belt, can carry out automated conveying to the concrete pipe, also can drive to next process after detecting, form continuous type operation, simple high efficiency, labour saving and time saving.
The end plug is the round platform structure, but its slope wall adaptability laminating different mouth of pipe internal diameters, along with flexible post drive adaptation laminating, sealed conflict, application scope is big.
The end-sealing plug is further provided with an annular hollow air bag and a hollow compression ring, in the using process, when the telescopic column is driven, the concrete pipe opening firstly abuts against the hollow compression ring to compress the hollow compression ring, the air flow is guided to the annular hollow air bag to expand, and finally the hollow air bag is attached to the inner wall of the pipeline, so that double sealing (the annular hollow air bag and the inner wall of the pipeline, and the hollow compression ring and the end port of the pipeline) is formed, the sealing effect is greatly improved, and the pressure detection accuracy is high.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of a stopper according to the present invention;
in the figure: the device comprises a base 1, a sealing mechanism 2, a stand column 3, a mounting plate 4, a sealing plug 5, a telescopic column 6, a water injection pipe 7, a sliding groove 8, a scale value 9, a longitudinal channel 10, a conveying belt 11, a hollow compression ring 12, an annular hollow air bag 13 and an air groove 14.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
Example 1:
a precast concrete pipe impermeability detection device comprises a base 1 and end-capping mechanisms 2 slidably mounted on two sides of the base 1, wherein each end-capping mechanism 2 comprises an upright post 3, a mounting plate 4 fixedly arranged on the side wall of the upper end of the upright post 3 and an end-capping plug 5 fixedly arranged on the side wall of the mounting plate 4, the end-capping plugs 5 are in adaptive splicing with concrete pipe ports to complete sealing and closing, and two sides of the base 1 are provided with telescopic columns 6 for driving the end-capping mechanisms 2 to approach towards or separate away from each other oppositely; the end plug 5 is in a round table structure, and the end plug 5 is made of an integral rubber material or a built-in rigid material and an outer layer coated rubber material.
One end of the water injection pipe 7 is communicated with a water storage tank (not shown in the figure, during the impermeability test, the water storage tank is used for filling liquid, such as water or other liquid solvents, such as oil, which is not limited in the figure), and the other end of the water injection pipe 7 is communicated with the inner cavity of the concrete pipe.
A pressure pump is arranged on the water injection pipe 7 and used for regulating and controlling the pressure in the concrete pipe, and a pressure sensor (not shown in the figure) is arranged on the outer end face of the end plug 5 and used for monitoring the pressure in the concrete pipe.
Specifically, the spout 8 has been seted up to base 1 upper surface, and 3 bottoms of stand are equipped with the slider with this spout 8 looks adaptation connection, like the picture, the stand sliding joint of end-capping mechanism is on the spout, along the horizontal lateral sliding of spout along with the flexible drive of flexible post to adjust and control the distance between two end-capping plugs, in order to satisfy the sealed grafting at different length pipeline both ends.
The stand 3 is telescopic rod structure, can adopt current electronic flexible regulation and control structure, and purchase finished product installation, guarantee flexible regulation can, do not limit here, 3 outer walls of stand are equipped with scale value 9 and are used for observing 5 height of end plug
Example 2:
based on above-mentioned structural design, further, base 2 middle part has been seted up vertical logical groove 10, installs conveyer belt 11 in vertical logical groove 10 and is used for the conveying of concrete pipe to remove. As shown in the figure, the scale mark one end is initially calculated from the upper end surface of the conveying belt, the other end corresponds to the center height of the end-sealing plug, the reference calculation is facilitated, the telescopic height of the stand column can be preset according to the pipeline specification during use, and the use is convenient and accurate.
Example 3:
the side, close to the mounting plate 4, of the end plug 5 is provided with a hollow compression ring 12, the side, not the mounting plate 4, of the end plug 5 is provided with an annular hollow air bag 13, the end plug 5 is internally provided with a plurality of vent grooves 14 (at least one, 2 in the figure), one end of each vent groove 4 is communicated with the hollow compression ring 12, and the other end of each vent groove is communicated with the annular hollow air bag 13.
The hollow compression ring 12 and the annular hollow air bag 13 are made of rubber materials, the hollow compression ring 12 compresses and extends along the long axis direction of the concrete pipe, and the annular hollow air bag 13 contracts and expands along the direction vertical to the long axis direction of the concrete pipe.
During the use, the concrete pipe is transported to on the base, between two end plugs through the conveyer belt, then drives flexible post and makes the end plug insert pipeline both ends mouth, starts the force pump and to wherein water injection, can acquire the testing data through the numerical value of observing pipeline outer wall infiltration condition and pressure sensor monitoring.
The anti-permeability detection device is suitable for anti-permeability detection of pipelines of different types and specifications, is integrally and automatically controlled, is simple and efficient, has good water injection sealing performance, greatly improves the detection accuracy, and is efficient and practical.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention 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 solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. The impervious detection device of the precast concrete pipe is characterized by comprising a base and end-capping mechanisms which are slidably mounted on two sides of the base, wherein each end-capping mechanism comprises a stand column, a mounting plate fixedly arranged on the side wall of the upper end of the stand column and an end-capping plug fixedly arranged on the side wall of the mounting plate, the end-capping plugs are in adaptive splicing with ports of the precast concrete pipe to complete sealing and closing, and two sides of the base are provided with telescopic columns which drive the end-capping mechanisms to approach or separate away from each other oppositely; one end-sealing mechanism is provided with a water injection pipe in a penetrating mode, one end of the water injection pipe is communicated with the water storage tank, and the other end of the water injection pipe is communicated with the inner cavity of the concrete pipe.
2. The precast concrete pipe impermeability detection device according to claim 1, wherein: the base upper surface has been seted up the spout, and the stand bottom is equipped with the slider with this spout adaptation connection.
3. The precast concrete pipe impermeability detection device according to claim 1, wherein: the stand is telescopic rod structure, and the stand outer wall is equipped with the scale interval and is used for observing the end-capping stopper height.
4. The precast concrete pipe impermeability detection device according to claim 1, wherein: a longitudinal through groove is formed in the middle of the base, and a conveying belt is installed in the longitudinal through groove and used for conveying and moving the concrete pipes.
5. The precast concrete pipe impermeability detection device according to claim 1, wherein: the end plug is of a round table structure and is made of an integral rubber material or a built-in rigid material and an outer layer coated rubber material.
6. The precast concrete pipe impermeability detection device according to claim 1, wherein: the sealing plug is provided with a hollow compression ring on one side close to the mounting plate, an annular hollow air bag is arranged on one side of the sealing plug, a plurality of vent grooves are formed in the sealing plug, and one end of each vent groove is communicated with the hollow compression ring and the other end of each vent groove is communicated with the annular hollow air bag.
7. The precast concrete pipe impermeability detection device of claim 6, wherein: the hollow compression ring and the annular hollow air bag are made of rubber materials, the hollow compression ring compresses and extends along the long axis direction of the concrete pipe, and the annular hollow air bag contracts and expands along the direction vertical to the long axis direction of the concrete pipe.
8. The precast concrete pipe impermeability detection device of claim 6, wherein: the number of the vent grooves is at least 1.
9. The precast concrete pipe impermeability detection device according to claim 1, wherein: the water injection pipe is provided with a pressure pump for regulating and controlling the pressure in the concrete pipe, and the outer end face of the end-sealing plug is provided with a pressure sensor for monitoring the pressure in the concrete pipe.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111180535.8A CN114034615B (en) | 2021-10-11 | 2021-10-11 | Impervious detection device of precast concrete pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111180535.8A CN114034615B (en) | 2021-10-11 | 2021-10-11 | Impervious detection device of precast concrete pipe |
Publications (2)
Publication Number | Publication Date |
---|---|
CN114034615A true CN114034615A (en) | 2022-02-11 |
CN114034615B CN114034615B (en) | 2024-02-20 |
Family
ID=80134870
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202111180535.8A Active CN114034615B (en) | 2021-10-11 | 2021-10-11 | Impervious detection device of precast concrete pipe |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN114034615B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116678802A (en) * | 2023-08-03 | 2023-09-01 | 常州市建筑材料研究所有限公司 | Prefabricated inspection well impermeability detection device and detection method thereof |
Citations (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3211452A1 (en) * | 1982-03-27 | 1983-09-29 | Omag Ostfriesische Maschinenbau Ag, 2970 Emden | Method of testing the imperviousness of ceramic hollow bodies, in particular concrete pipes |
US20060169027A1 (en) * | 2005-01-14 | 2006-08-03 | Fish Robert B Jr | Apparatus for accurately measuring permeation rates through polymeric pipes and uses thereof |
CN106015821A (en) * | 2016-08-15 | 2016-10-12 | 武汉金牛经济发展有限公司 | Steel-plastic composite pipe end face sealing device and method |
CN207248699U (en) * | 2017-09-28 | 2018-04-17 | 上海岩土工程勘察设计研究院有限公司 | Double plunger water filling infiltration testing apparatus in a kind of hole |
CN210015026U (en) * | 2019-05-27 | 2020-02-04 | 南通鼎宏建筑材料有限公司 | Intelligence concrete impermeability detection device |
CN210141482U (en) * | 2019-06-14 | 2020-03-13 | 宁夏水利水电工程局有限公司 | PCP pipeline interface leakage detection device |
CN210375993U (en) * | 2019-07-06 | 2020-04-21 | 青岛优派普环保科技有限公司 | Pipe pressure resistance test device with clamping firmness |
CN211853175U (en) * | 2019-12-01 | 2020-11-03 | 安徽华睿水利建设有限公司 | Plugging device for municipal pipeline port |
CN211877708U (en) * | 2019-12-24 | 2020-11-06 | 国际竹藤中心 | A testing arrangement for bamboo timber liquid permeability |
CN212321392U (en) * | 2020-06-24 | 2021-01-08 | 佟雪莹 | Anti-leakage detection device of building water supply and drainage pipeline |
CN212537124U (en) * | 2020-06-18 | 2021-02-12 | 广东信烨管业有限公司 | Stainless steel pipeline shutoff seal structure |
CN212539978U (en) * | 2020-07-25 | 2021-02-12 | 天津鑫润泽通钢铁有限公司 | Spiral steel pipe hydrostatic testing machine |
CN212658584U (en) * | 2020-07-30 | 2021-03-05 | 曲周县胜道混凝土有限公司 | Concrete anti-permeability construction module |
CN213412416U (en) * | 2020-08-11 | 2021-06-11 | 江西创基管桩有限公司 | Concrete pipe pile shedder |
CN213741964U (en) * | 2020-09-30 | 2021-07-20 | 浙江新盛建设集团有限公司 | Prefabricated concrete building permeability cell goes out roofing structure |
CN113219160A (en) * | 2021-04-13 | 2021-08-06 | 盐城市沐勋商贸有限公司 | Concrete pipe pile quality detection system and application method thereof |
CN113305706A (en) * | 2021-06-03 | 2021-08-27 | 浙江正大管桩有限公司 | Forming device of corrosion-resistant impervious type prestressed concrete tubular pile |
-
2021
- 2021-10-11 CN CN202111180535.8A patent/CN114034615B/en active Active
Patent Citations (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3211452A1 (en) * | 1982-03-27 | 1983-09-29 | Omag Ostfriesische Maschinenbau Ag, 2970 Emden | Method of testing the imperviousness of ceramic hollow bodies, in particular concrete pipes |
US20060169027A1 (en) * | 2005-01-14 | 2006-08-03 | Fish Robert B Jr | Apparatus for accurately measuring permeation rates through polymeric pipes and uses thereof |
CN106015821A (en) * | 2016-08-15 | 2016-10-12 | 武汉金牛经济发展有限公司 | Steel-plastic composite pipe end face sealing device and method |
CN207248699U (en) * | 2017-09-28 | 2018-04-17 | 上海岩土工程勘察设计研究院有限公司 | Double plunger water filling infiltration testing apparatus in a kind of hole |
CN210015026U (en) * | 2019-05-27 | 2020-02-04 | 南通鼎宏建筑材料有限公司 | Intelligence concrete impermeability detection device |
CN210141482U (en) * | 2019-06-14 | 2020-03-13 | 宁夏水利水电工程局有限公司 | PCP pipeline interface leakage detection device |
CN210375993U (en) * | 2019-07-06 | 2020-04-21 | 青岛优派普环保科技有限公司 | Pipe pressure resistance test device with clamping firmness |
CN211853175U (en) * | 2019-12-01 | 2020-11-03 | 安徽华睿水利建设有限公司 | Plugging device for municipal pipeline port |
CN211877708U (en) * | 2019-12-24 | 2020-11-06 | 国际竹藤中心 | A testing arrangement for bamboo timber liquid permeability |
CN212537124U (en) * | 2020-06-18 | 2021-02-12 | 广东信烨管业有限公司 | Stainless steel pipeline shutoff seal structure |
CN212321392U (en) * | 2020-06-24 | 2021-01-08 | 佟雪莹 | Anti-leakage detection device of building water supply and drainage pipeline |
CN212539978U (en) * | 2020-07-25 | 2021-02-12 | 天津鑫润泽通钢铁有限公司 | Spiral steel pipe hydrostatic testing machine |
CN212658584U (en) * | 2020-07-30 | 2021-03-05 | 曲周县胜道混凝土有限公司 | Concrete anti-permeability construction module |
CN213412416U (en) * | 2020-08-11 | 2021-06-11 | 江西创基管桩有限公司 | Concrete pipe pile shedder |
CN213741964U (en) * | 2020-09-30 | 2021-07-20 | 浙江新盛建设集团有限公司 | Prefabricated concrete building permeability cell goes out roofing structure |
CN113219160A (en) * | 2021-04-13 | 2021-08-06 | 盐城市沐勋商贸有限公司 | Concrete pipe pile quality detection system and application method thereof |
CN113305706A (en) * | 2021-06-03 | 2021-08-27 | 浙江正大管桩有限公司 | Forming device of corrosion-resistant impervious type prestressed concrete tubular pile |
Non-Patent Citations (1)
Title |
---|
倪志权;倪靖珂;谈永泉;: "聚丙烯纤维预应力混凝土管的研发", 混凝土与水泥制品, no. 02 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116678802A (en) * | 2023-08-03 | 2023-09-01 | 常州市建筑材料研究所有限公司 | Prefabricated inspection well impermeability detection device and detection method thereof |
CN116678802B (en) * | 2023-08-03 | 2023-11-14 | 常州市建筑材料研究所有限公司 | Prefabricated inspection well impermeability detection device and detection method thereof |
Also Published As
Publication number | Publication date |
---|---|
CN114034615B (en) | 2024-02-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN114034615A (en) | Impervious detection device of precast concrete pipe | |
CN103954411A (en) | Water pressure detecting device and method in drainage pipe | |
CN104390093B (en) | Close water, Air-tight Test method and usedly close water, double-purpose shutoff of holding one's breath test air bag | |
CN112649247B (en) | Automatic river and lake sediment sampling device and method | |
CN109520909B (en) | Concrete impermeability test device | |
CN113082775B (en) | Chemical solution separating tank | |
CN106706500A (en) | Device for determining permeability of concrete | |
CN109946213A (en) | Soil cement penetration equipment and permeability test method | |
CN114486101A (en) | Pressure pipeline detection device convenient to operate and using method thereof | |
CN215066013U (en) | Polymer modified concrete impermeability test equipment | |
CN106198919A (en) | A kind of head and percolation path adjustable soil layer seepage experimental apparatus | |
CN104444989A (en) | Liquid level quantified filling device | |
CN108361242A (en) | Hydraulic cylinder sealing detection device | |
CN209841787U (en) | Ultrasonic detection device for concrete pile | |
CN116380357A (en) | Antiseep detection device for oilfield sewage pipes | |
CN110206049A (en) | A kind of immersed tube water bag ballast water automatic control system and method | |
CN212133990U (en) | Valve leak protection test equipment | |
CN210464806U (en) | Leakage stoppage performance test device | |
CN108088777B (en) | Material impermeability detection device and detection method thereof | |
CN212871653U (en) | Intelligent ball valve detection equipment | |
CN202974814U (en) | Device for indoor measuring of permeability of cement mixing pile in horizontal direction | |
CN112683746A (en) | Device and method for measuring effective stress conversion rate of slurry film forming | |
CN117741076B (en) | Shallow groundwater pollutant monitoring instrument | |
CN111380589A (en) | Liquid level measuring device and liquid level measuring method for pressure difference type gas storage | |
CN205374435U (en) | Soil layer seepage flow experimental apparatus with adjustable flood peak and seepage flow route |
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 | ||
GR01 | Patent grant | ||
GR01 | Patent grant |