CN105181810A - CFRP fixing support of acoustic emission sensor - Google Patents
CFRP fixing support of acoustic emission sensor Download PDFInfo
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- CN105181810A CN105181810A CN201510602447.0A CN201510602447A CN105181810A CN 105181810 A CN105181810 A CN 105181810A CN 201510602447 A CN201510602447 A CN 201510602447A CN 105181810 A CN105181810 A CN 105181810A
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- cfrp
- adjusting rod
- length adjusting
- length adjustment
- adjustment bar
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Abstract
The invention discloses a CFRP fixing support of an acoustic emission sensor. The CFRP fixing support comprises a TT-shaped support body, wherein the TT-shaped support body is composed of a top beam and column feet at two ends of the top beam, a magnetic terminal is arranged at the bottom of each column foot, a through hole is formed in the middle of the top beam, a length adjusting rod penetrates through the through hole, a drop-proof cap is arranged at the top end of the length adjusting rod, a fixed cap is arranged at the bottom end of the length adjusting rod, the rod section, located between the top beam and the fixed cap, of the length adjusting rod is sleeved with an extensible spring, and the TT-shaped support body, the length adjusting rod and the fixed cap are all made of a carbon fiber reinforced composite material. The support has the advantages of being light in weight, high in strength and good in corrosion resistance and temperature difference resistance. The shortcoming that an existing fixing support is large in weight and poor in fixing adsorption capacity and is largely influenced by temperature can be effectively overcome, and application of an acoustic emission technology in a concrete environment, a corrosive environment or the environment with bad temperature condition can be further promoted.
Description
Technical field
The present invention relates to the accessory of acoustic emission health monitoring systems in a kind of civil engineering work, particularly relate to a kind of bracket component.
Background technology
Acoustic emission is in numerous health monitoring technique, can carry out dynamic monitoring to fault of construction, crackle, positions and judge that the development trend damaged is the most direct effective method to damage.But how sensor is fixed in the application geodesic structure is a technical matters always.At present, conventional fixed support is iron or aluminium is rack body, two subject matters existing for this metal support: one is because own wt is comparatively large, thus affects magnetic adsorption capacity, particularly in xoncrete structure; Two is affect comparatively greatly by environment temperature etc., is not suitable for applying in the larger environment of temperature variation.
The advantage such as carbon fibre reinforced composite (CarbonFiberReinforcedPolymer, CFRP) has high-strength light, corrosion resistivity is good, fatigue resistence is good and loss of prestress is little.
Summary of the invention
For the support bracket fastened deficiency of prior art Central Plains acoustic emission sensor metal material, based on the advantage of CFRP, the invention provides a kind of CFRP fixed support of calibrate AE sensor, this support has high-strength light, corrosion resistivity is good, Anti-temperature difference is good advantage.Effectively can solve large, the fixing deficiency that absorption affinity is weak and temperature influence is larger of existing fixed support weight, the use of acoustic emission in concrete, corrosion environment and temperature conditions rugged environment can be promoted further.
In order to solve the problems of the technologies described above, the CFRP fixed support of a kind of calibrate AE sensor that the present invention proposes, comprise door type rack body, described door type rack body is made up of the suspension column at back timber and two ends thereof, the bottom of each suspension column is equipped with magnetic terminal, the middle part of described back timber is provided with through hole, through a length adjustment bar in described through hole, the top of described length adjustment bar is provided with anti-raising one's hat, the bottom of described length adjustment bar is provided with a locking cap, on described length adjustment bar, and bar section between back timber and locking cap is set with coil tension spring, described door type rack body, length adjustment bar and locking cap all adopt carbon fibre reinforced composite to make.
Further, the bottom surface of described locking cap is provided with the groove of fovea superior.
Compared with prior art, the invention has the beneficial effects as follows:
The CFRP fixed support of calibrate AE sensor of the present invention has original iron or support bracket fastened fixing feature of aluminum, overcomes again the shortcoming that it exists accordingly.This CFRP fixed bracket body cording has the feature that light weight is high-strength, corrosion resistivity good, Anti-temperature difference performance is high, is suitable for the application that the sensor of acoustic emission health monitoring in various civil structure is as steel construction, xoncrete structure, masonry and timber structure is fixing.
Accompanying drawing explanation
Fig. 1 is calibrate AE sensor CFRP fixing rack structure schematic diagram of the present invention;
In figure: 1-main body rack; 2-magnetic terminal; 3-length adjustment bar; 4-locking cap; 5-coil tension spring.
Embodiment
Be described in further detail technical solution of the present invention below in conjunction with the drawings and specific embodiments, described specific embodiment only explains the present invention, not in order to limit the present invention.
As shown in Figure 1, the CFRP fixed support of a kind of calibrate AE sensor that the present invention proposes, comprise door type rack body 1, described door type rack body 1 is made up of the suspension column at back timber and two ends thereof, the bottom of each suspension column is equipped with magnetic terminal 2, magnetic terminal 2 is magnet, is used for support to be fixed in surveyed structure by magnetic; The middle part of described back timber is provided with the through hole inserted for length adjustment bar 3, namely a length adjustment bar 3 is passed in described through hole, the top of described length adjustment bar 3 is provided with anti-raising one's hat, the bottom of described length adjustment bar 3 is provided with a locking cap 4, be used for fixing sensor, the bottom surface of described locking cap 4 is preferably provided with the groove of fovea superior.Bar section on described length adjustment bar 3 and between back timber and locking cap 4 is set with coil tension spring 5, and described door type rack body 1, length adjustment bar 3 and locking cap 4 all adopt carbon fibre reinforced composite to make.
Door type rack body 1 in the present invention can disposal molding, then on its back timber according to the diameter bores of length adjustment bar 3, also this door type rack body 1 can be divided into three parts to make, then two suspension columns are passed through together with powerful gluing with back timber by i.e. two suspension columns at back timber and two ends.Magnetic terminal 2 and two suspension columns are bonded to an entirety by seccotine.Length adjustment bar 3 is CFRP muscle, first length adjustment bar 3 is all inserted in the through hole of door type rack body 1 back timber, then install on the length adjustment bar 3 of door type rack body 1 inside and pay isometric coil tension spring 5 in advance, then the end of length adjustment bar 3 and locking cap 4 are being bonded to an entirety.In use, if the structure that calibrate AE sensor detects is the magnetic structures such as steel construction, can directly by magnetic terminal, the sensor in support be fixed on by geodesic structure.If the structure surveyed is concrete etc. do not have magnetic structure, there are two kinds of methods: one is by magnetic terminal by silica gel etc. directly and sticked together by geodesic structure, thus fixes calibrate AE sensor; Also the position can arranged at tested structure sensor is stained with the iron plate of appropriate size in advance, directly can be absorbed and fixed in structure like this by magnetic terminal.Wherein anti-the raising one's hat on length adjustment bar 3 top can effectively fix centering sensor, prevents the change that possible position occurs in observation process.
Although invention has been described by reference to the accompanying drawings above; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; when not departing from present inventive concept, can also make a lot of distortion, these all belong within protection of the present invention.
Claims (2)
1. the CFRP fixed support of a calibrate AE sensor, comprise door type rack body (1), it is characterized in that, described door type rack body (1) is made up of the suspension column at back timber and two ends thereof, the bottom of each suspension column is equipped with magnetic terminal (2), the middle part of described back timber is provided with through hole, through a length adjustment bar (3) in described through hole, the top of described length adjustment bar (3) is provided with anti-raising one's hat, the bottom of described length adjustment bar (3) is provided with a locking cap (4), on described length adjustment bar (3), and be positioned in the bar section between back timber and locking cap (4) and be set with coil tension spring (5), described door type rack body (1), length adjustment bar (3) and locking cap (4) all adopt carbon fibre reinforced composite CFRP to make.
2. the CFRP fixed support of calibrate AE sensor according to claim 1, it is characterized in that, the bottom surface of described locking cap (4) is provided with the groove of fovea superior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510602447.0A CN105181810A (en) | 2015-09-18 | 2015-09-18 | CFRP fixing support of acoustic emission sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510602447.0A CN105181810A (en) | 2015-09-18 | 2015-09-18 | CFRP fixing support of acoustic emission sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105181810A true CN105181810A (en) | 2015-12-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510602447.0A Pending CN105181810A (en) | 2015-09-18 | 2015-09-18 | CFRP fixing support of acoustic emission sensor |
Country Status (1)
| Country | Link |
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| CN (1) | CN105181810A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106546664A (en) * | 2016-11-22 | 2017-03-29 | 重庆交通大学 | A kind of auxiliary device of Steel Wire Surface placement sensor |
| CN114371219A (en) * | 2021-12-27 | 2022-04-19 | 桂林理工大学 | Adapter of replaceable irregular surface acoustic emission sensor |
Citations (7)
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| CN102253124A (en) * | 2011-04-21 | 2011-11-23 | 北京航空航天大学 | General fixing device for probe of acoustic emission detection apparatus |
| CN102518922A (en) * | 2011-12-12 | 2012-06-27 | 中国科学院长春光学精密机械与物理研究所 | Space remote sensor support frame made of carbon fiber composite |
| JP2013221794A (en) * | 2012-04-13 | 2013-10-28 | Ihi Aerospace Co Ltd | Apparatus and method for standardizing ae generation position of frp-made tank |
| CN103472132A (en) * | 2013-09-27 | 2013-12-25 | 保定天威集团有限公司 | Method and portable device for ultrasonic flaw detection on steel plate |
| CN103760017A (en) * | 2014-02-18 | 2014-04-30 | 北京工业大学 | Carbon fiber reinforced composite laminate compression test clamp and test method using same |
| CN203732510U (en) * | 2014-03-21 | 2014-07-23 | 东北石油大学 | Fixture for measuring sound velocity of rock core |
| CN204945099U (en) * | 2015-09-18 | 2016-01-06 | 天津大学 | The CFRP fixed support of calibrate AE sensor |
-
2015
- 2015-09-18 CN CN201510602447.0A patent/CN105181810A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102253124A (en) * | 2011-04-21 | 2011-11-23 | 北京航空航天大学 | General fixing device for probe of acoustic emission detection apparatus |
| CN102518922A (en) * | 2011-12-12 | 2012-06-27 | 中国科学院长春光学精密机械与物理研究所 | Space remote sensor support frame made of carbon fiber composite |
| JP2013221794A (en) * | 2012-04-13 | 2013-10-28 | Ihi Aerospace Co Ltd | Apparatus and method for standardizing ae generation position of frp-made tank |
| CN103472132A (en) * | 2013-09-27 | 2013-12-25 | 保定天威集团有限公司 | Method and portable device for ultrasonic flaw detection on steel plate |
| CN103760017A (en) * | 2014-02-18 | 2014-04-30 | 北京工业大学 | Carbon fiber reinforced composite laminate compression test clamp and test method using same |
| CN203732510U (en) * | 2014-03-21 | 2014-07-23 | 东北石油大学 | Fixture for measuring sound velocity of rock core |
| CN204945099U (en) * | 2015-09-18 | 2016-01-06 | 天津大学 | The CFRP fixed support of calibrate AE sensor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106546664A (en) * | 2016-11-22 | 2017-03-29 | 重庆交通大学 | A kind of auxiliary device of Steel Wire Surface placement sensor |
| CN114371219A (en) * | 2021-12-27 | 2022-04-19 | 桂林理工大学 | Adapter of replaceable irregular surface acoustic emission sensor |
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Application publication date: 20151223 |