CN108317950B - Paste formula strainometer - Google Patents
Paste formula strainometer Download PDFInfo
- Publication number
- CN108317950B CN108317950B CN201810298600.9A CN201810298600A CN108317950B CN 108317950 B CN108317950 B CN 108317950B CN 201810298600 A CN201810298600 A CN 201810298600A CN 108317950 B CN108317950 B CN 108317950B
- Authority
- CN
- China
- Prior art keywords
- strain gauge
- central boss
- adhesive
- adhesive layer
- strainometer
- 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.)
- Expired - Fee Related
Links
- 239000012790 adhesive layer Substances 0.000 claims abstract description 17
- 239000000853 adhesive Substances 0.000 claims abstract description 11
- 230000001070 adhesive effect Effects 0.000 claims abstract description 11
- 239000002390 adhesive tape Substances 0.000 claims abstract description 6
- 239000010410 layer Substances 0.000 claims description 6
- 229920000297 Rayon Polymers 0.000 claims description 4
- 239000006260 foam Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 13
- 239000003292 glue Substances 0.000 abstract description 11
- 238000009434 installation Methods 0.000 abstract description 8
- 239000000758 substrate Substances 0.000 abstract description 8
- 238000011084 recovery Methods 0.000 abstract description 4
- 238000011900 installation process Methods 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005493 welding type Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
- G01B7/18—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge using change in resistance
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The invention discloses an adhesive strain gauge, which comprises a strain gauge body, wherein the strain gauge body comprises a mark substrate arranged at the bottom of the strain gauge body, the mark substrate is provided with a central boss and an edge forming surface surrounding the central boss, and the edge forming surface is provided with an adhesive layer with the surface flush with the surface of the central boss. The design of the adhesive layer can effectively solve the problems of relatively complex process, difficult recovery and easy influence of weather in the process of installing the strain gauge, and reduces the procedures of dispensing glue on site and pressing the strain gauge by means of external force until the glue is solidified during installation. Meanwhile, the surface of the adhesive layer is flush with the surface of the central boss, so that the central boss can be completely contacted with the beam body structure during the installation of the strain gauge, and the accuracy of a measuring result is ensured; in the using process, the adhesive can be directly installed only by tearing the release paper on the adhesive layer; when the strain is recovered, only the double-sided adhesive tape is cut by a knife without forcibly breaking the strain gauge or dissolving the adhesive. The invention is not influenced by the type of the beam body and has wide application.
Description
Technical Field
The invention relates to the technical field of strain gauges, in particular to a sticking type strain gauge.
Background
A transducer (also called a resistance strain gauge) capable of converting dimensional changes, which are strains on an engineering member, into resistance changes is simply referred to as a strain gauge. A strain gauge is typically composed of a sensitive grating, leads, adhesive, a flag substrate, and a cover layer. The existing strain gauges are mostly of a traditional sticking type, a welding type and a spraying type, wherein the traditional sticking type is used by blending glue on site for sticking; the welding type is used for steel structures; the spraying type is similar to the pasting type, and no matter the traditional pasting type, welding type or spraying type, certain limitation exists when the spraying type and the pasting type are used.
At present, the strainometer is mostly pasted and installed, but the installation of the strainometer is often troublesome, especially, the strainometer is required to be pasted at the bottom of a beam for measurement during bridge detection, the bottom of the beam is often required to be pretreated firstly in the process of pasting the strainometer, then the strainometer is pasted by glue after glue is prepared on site, the strainometer is required to be uniformly coated and continuously pressed by hands for a certain time to ensure that the strainometer is completely contacted with the beam body for installation, but the pasted strainometer is greatly influenced by weather, the time spent in cloudy days or rainy days is more than that in sunny days, finally, a great amount of time is spent in the recovery process of the strainometer, and the strainometer cannot be used in both concrete structures and.
Disclosure of Invention
The invention designs an adhesive strain gauge, which can well solve the problems of relative complexity, difficult recovery, even incapability of recovering and great influence of weather in the process of installing the strain gauge, so that the strain gauge is not influenced by the weather, the complicated process of installing the strain gauge is reduced, the time is saved, the strain gauge is convenient to recover, and the like.
The solution of the invention for solving the technical problem is as follows: the utility model provides a paste formula strainometer, includes the strainometer body, and the strainometer body is including establishing the mark basement in its bottom, the mark basement is equipped with central boss and encircles the limit profiled surface of central boss, be equipped with the viscose layer on the limit profiled surface, the surface on viscose layer keeps level with the surface of central boss.
As a further improvement of the above technical solution, the adhesive layer is a foam double-sided adhesive tape.
As a further improvement of the above technical solution, the projection of the side forming surface is one of a square, a rectangle and a circle.
As a further improvement of the above technical solution, the projection of the central boss is one of a square, a rectangle and a circle.
The invention has the beneficial effects that: the invention designs an adhesive strain gauge which comprises a strain gauge body, wherein the strain gauge body comprises a mark substrate arranged at the bottom of the strain gauge body, the mark substrate is provided with a central boss and an edge forming surface surrounding the central boss, and the edge forming surface is provided with an adhesive layer with the surface flush with the surface of the central boss. The design of the adhesive layer on the edge forming surface can effectively solve the problems that the process of installing the strain gauge is relatively complicated, difficult to recover or even incapable of recovering, and is greatly influenced by weather, so that the installation of the strain gauge is not influenced by the weather, the installation process is simple, time is saved, and the complicated process that the strain gauge needs to be pressed by means of external force until the glue is solidified in the field glue blending and installation processes is particularly reduced. Meanwhile, the surface of the adhesive layer is flush with the surface of the central boss, so that the central boss of the strain gauge can be completely contacted with the beam body structure when the strain gauge is installed, and the accuracy of a measuring result is ensured; in the using process, the installation can be carried out only by tearing the release paper on the adhesive layer; when the strain is recovered, only a small knife is needed to cut the double-sided adhesive tape, and the strain gauge is not needed to be broken with force or other substances are not needed to dissolve the adhesive for recovery. The invention is not influenced by the type of the beam body, can be applied to both concrete bridges and steel bridges, has wide market application prospect, and is worth popularizing.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures are only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from them without inventive effort.
FIG. 1 is a schematic diagram of a conventional strain gauge;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a bottom view of a conventional strain gage;
FIG. 4 is a bottom view of the present invention;
FIG. 5 is a partial enlarged view of the structure at A in the present invention;
reference numerals:
1. a strain gauge body; 101. marking a substrate; 1011. forming a surface; 1012. a central boss; 1013. and (5) gluing the layers.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions. All technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.
Referring to fig. 1-5, an adhesive strain gauge includes a strain gauge body 1, where the strain gauge body 1 includes a mark substrate 101 disposed at a bottom thereof, the mark substrate 101 is provided with a central boss 1012 and an edge forming surface 1011 surrounding the central boss 1012, the edge forming surface 1011 is provided with an adhesive layer 1013, and a surface of the adhesive layer 1013 is flush with a surface of the central boss 1012. The design of the adhesive layer 1013 on the edge forming surface 1011 can effectively solve the problems of being relatively complicated, difficult to recover and even incapable of recovering in the process of installing the strain gauge and being greatly influenced by weather, so that the installation of the strain gauge is not influenced by weather, the installation process is simple and time-saving, and the complicated process that the strain gauge needs to be pressed by means of external force until the glue is solidified in the field glue allocation and installation processes is particularly reduced. Meanwhile, the surface of the adhesive layer 1013 is flush with the surface of the central boss 1012, so that the central boss 1012 on which the strain gauge is mounted can completely contact the beam structure, thereby ensuring the accuracy of the measurement result; meanwhile, in the using process, the installation can be carried out only by tearing the release paper on the adhesive layer 1013; when the strain is recovered, only a small knife is needed to cut the adhesive layer, and the strain gauge is not needed to be broken with force or the dissolved glue is not needed to be recovered.
In a further preferred embodiment, the adhesive layer 1013 is a foam double-sided tape. The bonding effect of the foam double-sided adhesive tape is excellent, so that the strain gauge can be effectively fixed, and meanwhile, only a small knife is needed to cut the double-sided adhesive tape when the strain gauge is recovered, and the strain gauge is not needed to be broken with the hands or recovered after being dissolved by glue.
As a further preferred embodiment, the projection of the side forming surface 1011 is one of a square, a rectangle and a circle.
As a further preferred embodiment, the projection of the central boss 1012 is one of square, rectangular and circular.
While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous equivalents and substitutions without departing from the spirit of the invention as set forth in the claims appended hereto.
Claims (4)
1. The utility model provides a paste formula strainometer, includes the strainometer body, the both sides of strainometer body include two bases, and two bases are including establishing the mark basement in its bottom, its characterized in that, the mark basement is equipped with central boss and encircles the limit profiled surface of central boss, be equipped with the viscose layer on the limit profiled surface, the surface on viscose layer is kept level with the surface of central boss.
2. The adhesive strain gauge according to claim 1, wherein: the adhesive layer is a foam double-sided adhesive tape.
3. The adhesive strain gauge according to claim 1, wherein: the projection of the edge forming surface is one of a square, a rectangle and a circle.
4. The adhesive strain gauge according to claim 1, wherein: the projection of the central boss is one of a square, a rectangle and a circle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810298600.9A CN108317950B (en) | 2018-03-30 | 2018-03-30 | Paste formula strainometer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810298600.9A CN108317950B (en) | 2018-03-30 | 2018-03-30 | Paste formula strainometer |
Publications (2)
Publication Number | Publication Date |
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CN108317950A CN108317950A (en) | 2018-07-24 |
CN108317950B true CN108317950B (en) | 2020-10-16 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201810298600.9A Expired - Fee Related CN108317950B (en) | 2018-03-30 | 2018-03-30 | Paste formula strainometer |
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CN (1) | CN108317950B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109339122A (en) * | 2018-10-29 | 2019-02-15 | 佛山科学技术学院 | A kind of strain gauge built-in fitting for preventing from falling off |
CN111780792B (en) * | 2020-06-06 | 2022-05-06 | 河南交院工程技术集团有限公司 | Method for mounting measuring piece for bridge detection |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6637933B1 (en) * | 2002-03-01 | 2003-10-28 | Yi-Chia Liao | Apparatus for measuring outdoor temperature and humidity |
JP2016008289A (en) * | 2014-06-26 | 2016-01-18 | Dic株式会社 | Double-sided adhesive tape and article |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2008247286B2 (en) * | 2007-05-02 | 2014-07-17 | Flexco Industries Inc. | Sensor device to monitor deformation in structural members, such as solid structures |
JP4387431B2 (en) * | 2007-09-28 | 2009-12-16 | 東海興業株式会社 | Molded product that can be attached to the object and double-sided adhesive tape to be attached to the molded product |
CN201093998Y (en) * | 2007-10-16 | 2008-07-30 | 中航电测仪器股份有限公司 | Polyimide film substrate deformeter |
CN201600630U (en) * | 2010-02-02 | 2010-10-06 | 深圳市鸿达丰电子有限公司 | Laptop with replaceable decorative panel |
DE102010002915B4 (en) * | 2010-03-16 | 2012-10-18 | Senslab-Gesellschaft Zur Entwicklung Und Herstellung Bioelektrochemischer Sensoren Mbh | Microfluidic sensor |
CN102788068A (en) * | 2011-05-18 | 2012-11-21 | 厦门市宏业工程建设技术有限公司 | Sticking method of strain gauge |
CN202439637U (en) * | 2012-02-23 | 2012-09-19 | 管永来 | Tractor applique |
CN103630106B (en) * | 2013-12-03 | 2016-08-24 | 中国建筑第八工程局有限公司 | The measuring method of drying shrinkage constraint strain at concrete floor construction joint |
CN203752622U (en) * | 2013-12-06 | 2014-08-06 | 王侃 | Anti-abrasive ground marking system |
CN103728067B (en) * | 2014-01-23 | 2015-07-22 | 济南金钟电子衡器股份有限公司 | Resistance strain gauge for stress analysis |
CN107046052B (en) * | 2017-04-24 | 2019-09-20 | 京东方科技集团股份有限公司 | Foam, display and display device |
CN107933003A (en) * | 2017-11-14 | 2018-04-20 | 中航电测仪器股份有限公司 | A kind of strain gauge cap rock diaphragm seal and preparation method thereof and application method |
CN207991450U (en) * | 2018-03-30 | 2018-10-19 | 佛山科学技术学院 | A kind of adherent strain gauge |
-
2018
- 2018-03-30 CN CN201810298600.9A patent/CN108317950B/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6637933B1 (en) * | 2002-03-01 | 2003-10-28 | Yi-Chia Liao | Apparatus for measuring outdoor temperature and humidity |
JP2016008289A (en) * | 2014-06-26 | 2016-01-18 | Dic株式会社 | Double-sided adhesive tape and article |
Also Published As
Publication number | Publication date |
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CN108317950A (en) | 2018-07-24 |
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