CN110630600A - Supplementary paster device of foil gage - Google Patents
Supplementary paster device of foil gage Download PDFInfo
- Publication number
- CN110630600A CN110630600A CN201910951169.8A CN201910951169A CN110630600A CN 110630600 A CN110630600 A CN 110630600A CN 201910951169 A CN201910951169 A CN 201910951169A CN 110630600 A CN110630600 A CN 110630600A
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- CN
- China
- Prior art keywords
- film
- isolation film
- glue
- strain gauge
- layer
- 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
- 239000011888 foil Substances 0.000 title claims abstract description 25
- 238000002955 isolation Methods 0.000 claims abstract description 51
- 239000003292 glue Substances 0.000 claims abstract description 33
- 230000004888 barrier function Effects 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 7
- 239000012528 membrane Substances 0.000 claims 1
- 239000012790 adhesive layer Substances 0.000 abstract description 24
- 239000010410 layer Substances 0.000 abstract description 24
- 239000000853 adhesive Substances 0.000 abstract description 5
- 230000001070 adhesive effect Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 238000012360 testing method Methods 0.000 abstract description 5
- 239000010408 film Substances 0.000 description 90
- 230000000576 supplementary effect Effects 0.000 description 10
- 230000007547 defect Effects 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 230000001464 adherent effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Images
Classifications
-
- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B11/00—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
- F16B11/006—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding by gluing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The invention provides an auxiliary paster device for a strain gauge, and belongs to the technical field of part testing. Including last barrier film, glue film, film scale strip, barrier film and foil gage down, its characterized in that: the upper isolation film is positioned on the outermost layer and is fixedly bonded with the glue layer, the lower isolation film is positioned on the bottommost layer and is also fixedly bonded with the glue layer, the upper isolation film is a whole isolation film, the lower isolation film is a grid-shaped small isolation film, the glue layer is clamped between the upper isolation film and the lower isolation film, and the upper isolation film and the lower isolation film can be stripped. The two sides of the adhesive layer are provided with film scale strips with scales, and the film scale strips are transparent films and do not contain adhesives. The back of the strain gauge is fixedly bonded with the adhesive layer after the lower small grid isolation film is peeled off. The glue layer, the upper isolation film and the lower isolation film are all made of flexible materials. The method is used for testing the strain or deformation of the parts.
Description
Technical Field
The invention relates to the technical field of part testing, in particular to an auxiliary patch device for a strain gauge.
Background
In order to accurately measure the stress and deformation of a mechanical structure component, a method is often adopted in which a strain gauge is attached to the component, and the deformation and the strain of an object are indirectly measured by measuring the deformation and the change of resistance of the strain gauge. The traditional strain gauge is adhered manually, the plane of a strain gauge area is polished to be smooth, the bottom surface of the strain gauge and the concrete patch part are uniformly coated with mixed epoxy resin, the end part of the strain gauge is clamped by tweezers to be adhered to the position of the concrete patch, then a layer of polyvinyl chloride film is covered on the strain gauge, the strain gauge is forcibly extruded along the direction of the strain gauge patch, and the strain gauge is pressed tightly by fingers until the strain gauge is tightly combined with a test piece. The operation not only wastes a large amount of time and epoxy resin, but also has the defects of uneven thickness of the pasting layer caused by inconsistent applied pressure, great harm to human bodies caused by glue used for pasting, inaccurate measurement of pasting positions, poor pasting precision and the like. Because the strain gauge is light in weight and small in size and is not beneficial to manual positioning and pasting, a plurality of strain gauge pasting devices can be produced at the same time.
At present, most of common strain gauge auxiliary paster devices belong to a human-shaped type or a semi-automatic type, and the test operation is complicated and cannot be fast and accurate. For example, in the auxiliary device for sticking the strain gauge (CN 107676354 a), a set of link mechanism is used to drive the brushing roller brush to brush the epoxy resin on the surface of the concrete sample, and then the slide roller is used to roll the strain gauge to attach the strain gauge to the surface of the concrete sample, which is suitable for large-batch and coarse-precision sticking, but has the defects of being unstable in sticking, easy to slide, and incapable of accurate centering. The utility model provides a device is pasted to foil gage (CN 109915450A), can ensure that the foil gage can be released and paste on the work piece that awaits measuring at pasting the in-process, put the function that has automatic fixed, fast propulsion and automatic pressurize, not only can effectively improve the efficiency of pasting of foil gage, but also effectively reduced staff's intensity of labour, avoided the damage of foil gage pasting in-process, improved and pasted the quality. But still has the defects of insecure adhesion, easy slippage, inaccurate centering and the like.
The auxiliary paster device for the strain gauge, provided by the invention, well solves the problems, the problem that the adhesive layer is not sticky is guaranteed by the two layers of isolation films, the strain gauge is fixed with the adhesive layer in an adhesive way, the strain gauge does not slide, the film scale strips on the two sides of the adhesive layer can accurately center the paster position, the distance between each strain gauge is accurately divided, and the paster precision is higher. Whole device is flexible material, all has fine supplementary effect to plane and curved surface paster. The auxiliary paster device for the strain gauge has the advantages of no hand sticking, high centering accuracy of a pasting position, no sliding, firm pasting, high reliability, good protection measures, wide application range and the like.
Disclosure of Invention
The invention aims to provide a strain gauge auxiliary paster device which can effectively solve the technical problem of high centering accuracy of pasting positions during plane and curved surface paster.
The purpose of the invention is realized by the following technical scheme: the utility model provides a supplementary paster device of foil gage, includes barrier film, glue film, film scale strip, barrier film and foil gage down, its characterized in that: the upper isolating film is positioned on the outermost layer and is fixedly bonded with the adhesive layer, the lower isolating film is positioned on the bottommost layer and is also fixedly bonded with the adhesive layer, and the lower isolating film is a grid-shaped small isolating film. Film scale strips with scales are arranged on two sides of the adhesive layer. The back of the strain gauge is fixedly bonded with the adhesive layer after the lower small grid isolation film is peeled off. The upper isolating film is a whole isolating film, and the lower isolating film is a grid-shaped small isolating film. The glue layer is clamped between the upper isolation film and the lower isolation film, the upper isolation film and the lower isolation film can be stripped, and the glue layer, the upper isolation film and the lower isolation film are all flexible layers. The film scale strip is positioned on two sides of the adhesive layer and has no adhesive.
Furthermore, the upper isolation film and the lower isolation film are attached to the middle adhesive layer, and the upper isolation film and the lower isolation film protect the adhesive layer and hands of people during surface mounting. The lower isolation film is a grid-shaped small isolation film, small grids at the position of the patch are peeled off during patch mounting, and then the back of the strain gauge is adhered and fixed with the adhesive layer at the position of the small grids. The glue film both sides are equipped with the film scale strip of taking the scale, and the film scale strip is transparent film, and the scale uses mm as the unit, can accurate centering paster position, and the interval of every foil gage is divided to the accuracy, and the paster precision is higher. Go up barrier film, glue film, film scale strip and barrier film down and be flexible material, all have fine supplementary effect to plane and curved surface paster.
According to the auxiliary paster device for the strain gauge, the problem that the adhesive layer is not sticky is solved due to the two layers of isolation films, the strain gauge is fixed with the adhesive layer in an adhesive mode, the strain gauge does not slide, the thin film scale bars on the two sides of the adhesive layer can accurately center the paster position, the distance between each strain gauge is accurately divided, and the paster precision is high. Whole device is flexible material, all has fine supplementary effect to plane and curved surface paster. The auxiliary paster device for the strain gauge has the advantages of no hand sticking, high centering accuracy of a pasting position, no sliding, firm pasting, high reliability, good protection measures, wide application range and the like.
Drawings
FIG. 1 is a top view of a post-patch structure of the present invention;
FIG. 2 is a bottom view of the post-patch structure of the present invention;
FIG. 3 is a schematic view of a pre-patch structure of the present invention;
FIG. 4 is an exploded view of the patch of the present invention;
Detailed Description
As shown in fig. 1, a supplementary paster device of foil gage, includes barrier film 1, glue film 2, film scale strip 3, barrier film 4 and foil gage 5 down, its characterized in that: the upper isolation film 1 is positioned on the outermost layer and is fixedly bonded with the glue layer 2, the lower isolation film 4 is positioned on the bottommost layer and is also fixedly bonded with the glue layer 2, and the lower isolation film 4 is a grid-shaped small isolation film. And film scale strips 3 with scales are arranged on two sides of the adhesive layer 2. The back of the strain gauge 5 is fixedly bonded with the adhesive layer 2 after the lower small grid isolation film is peeled off. The upper isolation film 1 is a monolithic isolation film, and the lower isolation film 4 is a grid-shaped small isolation film. The glue layer 2 is clamped between the upper isolation film 1 and the lower isolation film 4, the upper isolation film 1 and the lower isolation film 4 can be stripped, and the glue layer 2, the upper isolation film 1 and the lower isolation film 4 are made of flexible materials. The film scale strips 3 are positioned on two sides of the adhesive layer 2 and do not have adhesive.
Further, the upper isolation film 1 and the lower isolation film 4 are attached to the middle adhesive layer 2, and the upper isolation film 1 and the lower isolation film 4 protect the adhesive layer 2 and hands of people during surface mounting. The lower isolation film 4 is a grid-shaped small isolation film, the small grid at the position of the patch is peeled off during patch mounting, and then one side of the strain gauge 5 is fixedly bonded with the adhesive layer 2 at the position of the small grid. 2 both sides of glue film are equipped with the film scale strip 3 of taking the scale, and film scale strip 3 is transparent film, and the scale uses mm as the unit, can accurate centering paster position, and the interval of every foil gage is divided to the accuracy, and the paster precision is higher. Go up barrier film 1, glue film 2, film scale strip 3 and barrier film 4 down and be the flexible layer, all have fine supplementary effect to plane and curved surface paster.
This kind of paster device is assisted to foil gage, two-layer barrier film have ensured the glue film problem of being stained with, and the foil gage has guaranteed with the sticky fixed foil gage not sliding of glue film, and the film scale strip of glue film both sides can accurate centering paster position, the interval of every foil gage of accurate division, and the paster precision is higher. Whole device is flexible material, all has fine supplementary effect to plane and curved surface paster. The auxiliary paster device for the strain gauge has the advantages of no hand sticking, high centering accuracy of a pasting position, no sliding, firm pasting, high reliability, good protection measures, wide application range and the like. Before the experiment, tentatively confirm the supplementary paster device length of foil gage, then cut one section, peel off the little grid of the lower barrier film of paster department after confirming the paster position, then with foil gage back adhesion to peel off on the glue film of grid, other little grids that do not peel off can prevent hand and glue film adhesion. The specific position of foil gage is according to the film scale strip of glue film both sides centering for the foil gage can not deflect, waits that all foil gages are all centering to paste, scribbles 502 glue on the foil gage front, then peels off remaining little grid. When the plane is pasted, the adhesive layer and the strain gauge of the auxiliary pasting device with the strain gauge are integrally pasted on the measured plane directly after the film scale strips are centered, and then the auxiliary pasting device is pressed by hands to be firmly pasted. When the curved surface or the axial surface is pasted with the adhesive layer, the auxiliary pasting device is wound around the curved surface or the axial surface to be measured for a circle after the film scale strips are centered. Go up the barrier film and play about the protection at the paster in-process, make hand and glue film not adherent, if the vibration magnitude of magnitude ratio of the piece is great can peel off last barrier film after the paster is accomplished, then glue a layer 3M sticky tape outside the glue film for whole supplementary paster device and foil gage are more firm.
The invention is not to be considered as limited to the specific embodiments thereof, and all changes, equivalents and improvements that can be made by those skilled in the art are intended to be included within the scope of the invention, all within the spirit and principle of the inventive concept.
Claims (3)
1. A strain gauge assisted patch device comprising a strain gauge (5) and a positioning film, characterized in that: the utility model discloses a film scale bar, including location membrane, film scale strip (3), upper and lower barrier film (4), upper and lower barrier film (1), the locating film is sandwich structure, and the border of its both sides all is equipped with the millimeter scale, and middle upper and lower two sides all are equipped with glue film (2), goes up barrier film (1) and is whole strip structure, is located sandwich structure top layer, its bottom surface and glue film (2) of film scale strip (3) upper surface bond fixedly, and barrier film (4) are the cubic barrier film of rectangle that sets up side by side down, are located sandwich structure's bottom, the bonding setting of glue film (2) of its top surface and film scale strip (3) lower surface, the back of foil gage (5) and glue film (2) bonding of film scale strip (3) lower surface are fixed, its left and right both sides respectively with the vertical border contact of adjacent lower barrier film (4).
2. A strain gage auxiliary patch device as claimed in claim 1, wherein: the longitudinal width of the rectangular block-shaped isolating film is equal to the transverse width of the strain gauge (5).
3. A strain gage auxiliary patch device as claimed in claim 1, wherein: the glue layer (2), the upper isolation film (1) and the lower isolation film (4) are all made of flexible materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910951169.8A CN110630600A (en) | 2019-10-08 | 2019-10-08 | Supplementary paster device of foil gage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910951169.8A CN110630600A (en) | 2019-10-08 | 2019-10-08 | Supplementary paster device of foil gage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110630600A true CN110630600A (en) | 2019-12-31 |
Family
ID=68975812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910951169.8A Pending CN110630600A (en) | 2019-10-08 | 2019-10-08 | Supplementary paster device of foil gage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110630600A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112923845A (en) * | 2021-03-24 | 2021-06-08 | 中国石油大学(华东) | Pipeline four-point strain acquisition belt device |
| CN114165507A (en) * | 2021-12-02 | 2022-03-11 | 无锡瑞来检测科技有限公司 | Foil gage paster device |
-
2019
- 2019-10-08 CN CN201910951169.8A patent/CN110630600A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112923845A (en) * | 2021-03-24 | 2021-06-08 | 中国石油大学(华东) | Pipeline four-point strain acquisition belt device |
| CN114165507A (en) * | 2021-12-02 | 2022-03-11 | 无锡瑞来检测科技有限公司 | Foil gage paster device |
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