CN114414412B - Auxiliary tool for detecting strength of concrete member by rebound method - Google Patents
Auxiliary tool for detecting strength of concrete member by rebound method Download PDFInfo
- Publication number
- CN114414412B CN114414412B CN202111539632.1A CN202111539632A CN114414412B CN 114414412 B CN114414412 B CN 114414412B CN 202111539632 A CN202111539632 A CN 202111539632A CN 114414412 B CN114414412 B CN 114414412B
- Authority
- CN
- China
- Prior art keywords
- detection
- plate
- auxiliary
- rubber
- sides
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 62
- 239000011087 paperboard Substances 0.000 claims abstract description 3
- 239000000853 adhesive Substances 0.000 claims description 22
- 230000001070 adhesive effect Effects 0.000 claims description 17
- 238000003825 pressing Methods 0.000 claims description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 239000002390 adhesive tape Substances 0.000 claims description 7
- 229920000297 Rayon Polymers 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000011065 in-situ storage Methods 0.000 abstract description 2
- 239000004819 Drying adhesive Substances 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000003860 storage Methods 0.000 abstract 1
- 238000007689 inspection Methods 0.000 description 7
- 239000003292 glue Substances 0.000 description 4
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 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
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/40—Investigating hardness or rebound hardness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to the technical field of constructional engineering detection, in particular to an auxiliary tool for detecting the strength of a concrete member by a rebound method, wherein the auxiliary plate comprises a detection plate and an information plate, the detection plate and the information plate are folded, an information area is printed and a detection hole is formed on two sides of a paperboard structure of the auxiliary plate respectively, the auxiliary detection is convenient for an operator to directly carry out auxiliary detection in use, the detection point is not required to be measured and marked on site, a standardized detection mode is provided for detecting the strength entity of a concrete cast-in-situ member, the detection speed is accelerated, the detection accuracy is improved, the auxiliary plate is conveniently connected with a wall body by arranging a rubber pipe on one side of the detection area, meanwhile, the rubber outlet of the rubber pipe is sealed under the action of the folded information plate when the auxiliary plate is not used, the problem of non-drying adhesive caused by long-time storage is avoided, the service period is prolonged, the manufacturing is simple, and the operation is convenient and the use is convenient.
Description
Technical Field
The invention relates to the technical field of building engineering detection, in particular to an auxiliary tool for detecting the strength of a concrete member by a rebound method.
Background
In the detection of the constructional engineering, the rebound method is used for detecting the compressive strength of the concrete, the equipment is simple, the operation is convenient, the test is rapid, the detection cost is low, and the normal use of the concrete is not destroyed, so that the rebound method is more used in the direct detection on site and is the nondestructive detection method with the widest application;
the technical specification of concrete compressive strength detection by rebound method (JGJT 23-2011) specifies: the area of the measuring area is not more than 0.04m < 2 >, the measuring points are uniformly distributed in the range of the measuring area, the clear distance between two adjacent measuring points is not less than 20mm, strict requirements are set for the division of the measuring area and the measuring points, in actual operation, the measuring points are limited by field actual conditions, and the positions of the measuring points are difficult to control conveniently, so that the accuracy of detection data is affected.
Disclosure of Invention
The invention aims to provide an auxiliary tool for detecting the strength of a concrete member by a rebound method so as to solve the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: an auxiliary tool for detecting strength of a concrete member by a rebound method, the auxiliary tool comprising:
the auxiliary plate comprises a detection plate and an information plate, and the detection plate and the information plate are arranged in a folding way;
the pressing assembly comprises three pressing strips which are symmetrically arranged on one side of the detection plate;
the adhesive assembly comprises three rubber pipes, and the three rubber pipes are respectively inserted into one side of the three pressing strips;
the connecting assembly comprises a plurality of connecting strips, the connecting strips are symmetrically arranged on one side of the information board, and the connecting strips are contacted with one side of the viscose assembly.
Preferably, the auxiliary plate is a cardboard having a thickness of more than two millimeters.
Preferably, the size of the detection plate is equal to that of the information plate, sixteen detection holes of four rows and four columns are symmetrically formed in one side of the detection plate, and the distances between two adjacent detection holes are equal.
Preferably, a spacing area is arranged between every two adjacent rows of detection holes, three pressing strips are respectively and horizontally arranged in the spacing area, and the centers of the upper ends of the pressing strips are respectively and horizontally provided with a rib.
Preferably, the opposite sides of the spacing area of the detection plate are provided with tube grooves in a pressure equalizing mode, and the three rubber tubes are respectively inserted into the three tube grooves in a horizontal inserting mode.
Preferably, the two sides of the rubber tube are of sealing structures, the rubber tube is filled with self-adhesive, and a plurality of rubber outlet holes are symmetrically formed in one side of the rubber tube.
Preferably, three reinforcing adhesive tapes are symmetrically arranged on one sides of the three tube slots of the detection plate, and two sides of the three reinforcing adhesive tapes are respectively adhered to two sides of the tube slots of the detection plate.
Preferably, the information board comprises a filling surface and a connecting surface, and the connecting strips are symmetrically arranged on one side of the connecting surface respectively.
Preferably, the side surface of the connecting strip far away from the information board is provided with a single-sided adhesive structure, and one sides of the single-sided adhesive of the connecting strips are respectively contacted with one sides of the plurality of adhesive outlets of the three adhesive pipes.
Preferably, the filling surface of the information board is provided with sixteen data distinguishing frames and registration bars.
Compared with the prior art, the invention has the beneficial effects that:
1. by respectively printing information areas and forming detection holes on two sides of the paperboard structure of the auxiliary plate, an operator can conveniently and directly carry out auxiliary detection during use without measuring and marking detection points on site, a standardized detection mode is provided for the strength entity detection of the concrete cast-in-situ member, the detection speed is increased, the detection error is reduced, and the detection accuracy is improved;
2. through setting up the rubber tube in detection zone one side, go out the extrusion of the interior non-setting adhesive of rubber tube through pressing the strip when using, make things convenient for the accessory plate to be connected with the wall body, when not using simultaneously, seal the play glue mouth of rubber tube under folding information board effect, avoid appearing depositing for a long time and lead to the problem that the non-setting adhesive is not sticky, improve life, and simple manufacture, convenient operation, it is convenient to use.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a side view of the structure of the present invention;
FIG. 3 is a schematic view of the hose installation of the present invention;
FIG. 4 is a schematic view of a connecting structure of the connecting strip according to the present invention;
FIG. 5 is a partial cross-sectional view of the structure of the present invention;
FIG. 6 is a schematic view of a partial structure of the present invention;
FIG. 7 is a schematic illustration of a fill-in plane division of the present invention.
In the figure: auxiliary board 1, detection board 2, information board 3, pressing bar 4, rubber tube 5, detection hole 6, spacer 7, rib 8, tube groove 9, glue outlet 10, reinforcing rubber belt 11, filling face 12, connecting face 13, data distinguishing frame 14, register bar 15, and connecting bar 16.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-7, the present invention provides an auxiliary tool for detecting the strength of a concrete member by a rebound method: the auxiliary tool comprises:
the auxiliary plate 1, the auxiliary plate 1 includes detection plate 2 and information board 3, and detection plate 2 and information board 3 fold and set up, the auxiliary plate 1 is cardboard that the thickness is greater than two millimeters, detection plate 2 and information board 3 size are equal, sixteen detection holes 6 of four rows by four columns are offered to detection plate 2 one side symmetry, and the distance between two adjacent detection holes 6 is equal, all be equipped with interval 7 between two adjacent rows of detection holes 6, press the subassembly to include three and press the strip 4, three press the strip 4 to locate detection plate 2 one side symmetrically, three press the strip 4 to locate in interval 7 horizontally respectively an organic whole, and press the strip 4 upper end center all horizontally to be equipped with rib 8, press rubber tube 5;
the adhesive assembly comprises three rubber hoses 5, wherein the three rubber hoses 5 are respectively connected with one side of three pressing strips 4 in an inserted mode, tube grooves 9 are formed in the opposite sides of a spacing area 7 of the detection plate 2 in a pressure equalizing mode, the three rubber hoses 5 are respectively connected in the three tube grooves 9 in a horizontally inserted mode, two sides of each rubber hose 5 are of sealing structures, adhesive tapes are filled in the rubber hoses 4, one side of each rubber hose 4 is symmetrically provided with a plurality of adhesive outlet holes 10, one side of each tube groove 9 of the detection plate 2 is symmetrically provided with three reinforcing adhesive tapes 11, two sides of each reinforcing adhesive tape 11 are respectively bonded with two sides of the tube groove 9 of the detection plate 2, and the reinforcing plate 2 is provided with a stable structure on one side of the tube groove 9;
the connecting component comprises a plurality of connecting strips 16, the connecting strips 16 are symmetrically arranged on one side of the information board 3, the connecting strips 16 are contacted with one side of the viscose component, the information board 3 comprises a filling surface 12 and a connecting surface 13, the connecting strips 16 are symmetrically arranged on one side of the connecting surface 13 respectively, the connecting strips 16 are far away from one side of the information board 3 and are arranged in a single-sided adhesive structure, one side of the single-sided adhesive of the connecting strips 3 is contacted with one side of a plurality of glue outlet holes 10 of three glue pipes 9 respectively, and the filling surface 12 of the information board 3 is provided with sixteen data distinguishing frames 14 and registration bars 15 for data summarization and convenient summarization and disc multiplexing.
Working principle: when the automatic inspection device is used, the information board 3 is folded out through connection with the inspection board 2 to be turned over to the level position with the inspection board 2, or is directly pressed by the pressing bar 4, the pressing bar can press the pipe groove 9 to form a bulge or directly manufacture the bulge, the self-adhesive in the rubber pipe 5 is extruded out of a plurality of adhesive outlet holes 10, the connecting bar 16 is separated from one side of the adhesive outlet holes 10 of the rubber pipe 5, then the information board 3 is turned over in the same way, when the pipe groove 9 side of the inspection board 2 is coated with the self-adhesive, the self-adhesive is attached to the corresponding concrete inspection position, at the moment, a rebound detector which is common in the prior art is taken out to carry out rebound inspection on concrete in sixteen inspection hole 6 areas, data are filled in the corresponding sixteen data distinguishing frames 14, statistics summarization and disc multiplexing are convenient, and finally after the registration bar, the auxiliary board 1 is kept in the folded state in the same way.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An appurtenance for rebound method detects concrete member intensity, its characterized in that: the auxiliary tool comprises:
an auxiliary board (1), wherein the auxiliary board (1) comprises a detection board (2) and an information board (3), and the detection board (2) and the information board (3) are arranged in a folding way;
the pressing assembly comprises three pressing strips (4), and the three pressing strips (4) are symmetrically arranged on one side of the detection plate (2);
the adhesive assembly comprises three rubber hoses (5), and the three rubber hoses (5) are respectively inserted into one sides of the three pressing strips (4);
the connecting assembly comprises a plurality of connecting strips (16), the connecting strips (16) are symmetrically arranged on one side of the information board (3), and the connecting strips (16) are contacted with one side of the viscose assembly;
the size of the detection plate (2) is equal to that of the information plate (3), sixteen detection holes (6) in four rows and four columns are symmetrically formed in one side of the detection plate (2), and the distances between two adjacent detection holes (6) are equal;
a spacing area (7) is arranged between two adjacent rows of detection holes (6), three pressing strips (4) are respectively and horizontally arranged in the spacing area (7) in an integrated manner, and the centers of the upper ends of the pressing strips (4) are respectively and horizontally provided with a rib (8);
the opposite sides of the spacing areas (7) of the detection plate (2) are provided with tube grooves (9) in a pressure equalizing mode, and the three rubber tubes (5) are respectively and horizontally inserted into the three tube grooves (9);
the two sides of the rubber tube (5) are of sealing structures, the rubber tube (4) is filled with self-adhesive, and a plurality of rubber outlet holes (10) are symmetrically formed in one side of the rubber tube (4).
2. An auxiliary tool for detecting the strength of a concrete member by a rebound method according to claim 1, wherein: the auxiliary plate (1) is a paperboard with a thickness of more than two millimeters.
3. An auxiliary tool for detecting the strength of a concrete member by a rebound method according to claim 2, wherein: three reinforcing adhesive tapes (11) are symmetrically arranged on one sides of the three tube slots (9) of the detection plate (2), and two sides of the three reinforcing adhesive tapes (11) are respectively adhered to two sides of the tube slots (9) of the detection plate (2).
4. An auxiliary tool for detecting the strength of a concrete member by a rebound method according to claim 3, wherein: the information board (3) comprises a filling surface (12) and a connecting surface (13), and a plurality of connecting strips (16) are symmetrically arranged on one side of the connecting surface (13) respectively.
5. An auxiliary tool for detecting the strength of a concrete member by a rebound method according to claim 4, wherein: the side surface of the connecting strip (16) far away from the information board (3) is of a single-sided adhesive structure, and one sides of the single-sided adhesive of the connecting strips (3) are respectively contacted with one sides of the plurality of adhesive outlet holes (10) of the three rubber pipes (9).
6. An auxiliary tool for detecting the strength of a concrete member by a rebound method according to claim 5, wherein: the filling surface (12) of the information board (3) is provided with sixteen data distinguishing frames (14) and a registration bar (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111539632.1A CN114414412B (en) | 2021-12-16 | 2021-12-16 | Auxiliary tool for detecting strength of concrete member by rebound method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111539632.1A CN114414412B (en) | 2021-12-16 | 2021-12-16 | Auxiliary tool for detecting strength of concrete member by rebound method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114414412A CN114414412A (en) | 2022-04-29 |
| CN114414412B true CN114414412B (en) | 2024-01-16 |
Family
ID=81268147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111539632.1A Active CN114414412B (en) | 2021-12-16 | 2021-12-16 | Auxiliary tool for detecting strength of concrete member by rebound method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114414412B (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10160654A (en) * | 1996-11-29 | 1998-06-19 | Sogo Concrete Service:Kk | Positioning tool for schmitt hammer |
| CN204197580U (en) * | 2014-10-24 | 2015-03-11 | 李晶 | A kind of glue painting brush |
| CN105618333A (en) * | 2016-03-30 | 2016-06-01 | 江阴市利澄机械制造有限公司 | Extruding type gluing device |
| CN205387036U (en) * | 2016-03-21 | 2016-07-20 | 巢湖学院 | Convenient machine that pastes spring festival couplet |
| DE102017200847A1 (en) * | 2017-01-19 | 2018-07-19 | Michael Barsch | label |
| KR101888018B1 (en) * | 2018-01-02 | 2018-08-13 | (주)화신엔지니어링 | Location Maker For Rebound Hardness Tester |
| CN109368025A (en) * | 2018-11-22 | 2019-02-22 | 南京讯飞智慧空间信息科技有限公司 | A kind of quickstick device and its package |
| CN109490070A (en) * | 2018-12-26 | 2019-03-19 | 中交二公局第二工程有限公司 | Area's plate and application method are surveyed in a kind of rebound |
| CN210211825U (en) * | 2019-07-17 | 2020-03-31 | 黄河 | Building circuit diagram drawing board for electrical design |
| KR102129387B1 (en) * | 2020-01-21 | 2020-07-02 | 주식회사 동해종합기술공사 | Measuring position of rebound hardness using pad |
| CN211251976U (en) * | 2019-12-30 | 2020-08-14 | 甘肃机电职业技术学院（甘肃省机械工业学校、甘肃省机械高级技工学校） | Drawing device for machine design and manufacture |
| CN211667319U (en) * | 2020-03-13 | 2020-10-13 | 江苏江南水务股份有限公司 | Pipeline connecting structure for municipal water supply and drainage |
| CN113295508A (en) * | 2021-04-26 | 2021-08-24 | 中震（北京）工程检测股份有限公司 | Auxiliary tool for fixing grid-divided grid-shaped line by adopting flat-head screw with hole and construction method |
| CN214472317U (en) * | 2021-04-13 | 2021-10-22 | 沧州市建设工程质量检测中心有限责任公司 | Concrete strength resilience survey district depicting device |
| CN214688754U (en) * | 2021-03-02 | 2021-11-12 | 上海升广科技有限公司 | Sliding pin locking folding operation plate |
-
2021
- 2021-12-16 CN CN202111539632.1A patent/CN114414412B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10160654A (en) * | 1996-11-29 | 1998-06-19 | Sogo Concrete Service:Kk | Positioning tool for schmitt hammer |
| CN204197580U (en) * | 2014-10-24 | 2015-03-11 | 李晶 | A kind of glue painting brush |
| CN205387036U (en) * | 2016-03-21 | 2016-07-20 | 巢湖学院 | Convenient machine that pastes spring festival couplet |
| CN105618333A (en) * | 2016-03-30 | 2016-06-01 | 江阴市利澄机械制造有限公司 | Extruding type gluing device |
| DE102017200847A1 (en) * | 2017-01-19 | 2018-07-19 | Michael Barsch | label |
| WO2018134292A1 (en) * | 2017-01-19 | 2018-07-26 | Michael Barsch | Label |
| KR101888018B1 (en) * | 2018-01-02 | 2018-08-13 | (주)화신엔지니어링 | Location Maker For Rebound Hardness Tester |
| CN109368025A (en) * | 2018-11-22 | 2019-02-22 | 南京讯飞智慧空间信息科技有限公司 | A kind of quickstick device and its package |
| CN109490070A (en) * | 2018-12-26 | 2019-03-19 | 中交二公局第二工程有限公司 | Area's plate and application method are surveyed in a kind of rebound |
| CN210211825U (en) * | 2019-07-17 | 2020-03-31 | 黄河 | Building circuit diagram drawing board for electrical design |
| CN211251976U (en) * | 2019-12-30 | 2020-08-14 | 甘肃机电职业技术学院（甘肃省机械工业学校、甘肃省机械高级技工学校） | Drawing device for machine design and manufacture |
| KR102129387B1 (en) * | 2020-01-21 | 2020-07-02 | 주식회사 동해종합기술공사 | Measuring position of rebound hardness using pad |
| CN211667319U (en) * | 2020-03-13 | 2020-10-13 | 江苏江南水务股份有限公司 | Pipeline connecting structure for municipal water supply and drainage |
| CN214688754U (en) * | 2021-03-02 | 2021-11-12 | 上海升广科技有限公司 | Sliding pin locking folding operation plate |
| CN214472317U (en) * | 2021-04-13 | 2021-10-22 | 沧州市建设工程质量检测中心有限责任公司 | Concrete strength resilience survey district depicting device |
| CN113295508A (en) * | 2021-04-26 | 2021-08-24 | 中震（北京）工程检测股份有限公司 | Auxiliary tool for fixing grid-divided grid-shaped line by adopting flat-head screw with hole and construction method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114414412A (en) | 2022-04-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114414412B (en) | Auxiliary tool for detecting strength of concrete member by rebound method | |
| CN210953425U (en) | Auxiliary device for air volume test of air conditioner | |
| CN203145459U (en) | Building template connecting structure | |
| CN211626583U (en) | Intelligent flow meter based on Internet of things | |
| CN217425021U (en) | Intelligent fire-fighting detection equipment | |
| CN212497383U (en) | Tool for projection detection of fastener | |
| CN107121799B (en) | Positioning jig for panel frame glue peeling test | |
| CN219641180U (en) | Checking device of building door and window air tightness detection device | |
| CN212621324U (en) | Air collecting equipment for detecting air tightness of doors and windows | |
| CN212007020U (en) | Fully-mechanized coal mining face roadway through fall measuring device | |
| CN208488410U (en) | A kind of Bridge Piles detection ultrasonic wave test tube | |
| CN219496395U (en) | Colloidal gold card detection device | |
| JP3128476U (en) | Scaled adhesive tape | |
| CN219381658U (en) | Adhesive tape broken end bonding device | |
| CN221100454U (en) | High-precision adhesion degree detection device | |
| CN219168461U (en) | Pipette tube | |
| CN210714340U (en) | Frame structure applied to aluminum alloy window sash | |
| CN210718913U (en) | Measuring tool for mounting brake lever hanger shaft | |
| CN220602848U (en) | Building external window tightness measuring device | |
| CN214952389U (en) | Adsorption tube liquid mark preparation device | |
| CN219992788U (en) | Water seepage prevention structure | |
| CN219178795U (en) | Osmotic pressure monitoring device | |
| CN215568960U (en) | High-strength rubber-lined pipeline | |
| CN219685824U (en) | Perforated plate installation positioning auxiliary device | |
| CN109187942B (en) | Detection test paper and manufacturing method thereof |
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: 250014 17th floor, unit 1, phase II office building, Zhongjian cultural city, 16 Wenhua East Road, Lixia District, Jinan City, Shandong Province Applicant after: THE SECOND CONSTRUCTION LIMITED COMPANY OF CHINA CONSTRUCTION EIGHTH ENGINEERING DIVISION Address before: 250014 18th floor, Zhongjian building, No.16, Wenhua East Road, Lixia District, Jinan City, Shandong Province Applicant before: THE SECOND CONSTRUCTION LIMITED COMPANY OF CHINA CONSTRUCTION EIGHTH ENGINEERING DIVISION |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |