CN110411365A - A kind of fiber grating measuring mechanical property instrument with male-female disk clamp - Google Patents
A kind of fiber grating measuring mechanical property instrument with male-female disk clamp Download PDFInfo
- Publication number
- CN110411365A CN110411365A CN201910711909.0A CN201910711909A CN110411365A CN 110411365 A CN110411365 A CN 110411365A CN 201910711909 A CN201910711909 A CN 201910711909A CN 110411365 A CN110411365 A CN 110411365A
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- Prior art keywords
- fixed
- movable plate
- mechanical property
- male
- measuring mechanical
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- 239000000835 fiber Substances 0.000 title claims abstract description 39
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000006073 displacement reaction Methods 0.000 claims abstract description 10
- 238000011056 performance test Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 6
- 238000012360 testing method Methods 0.000 abstract description 5
- 239000013307 optical fiber Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
- G01B11/165—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge by means of a grating deformed by the object
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
- G01L1/242—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Optical Transform (AREA)
Abstract
The invention discloses a kind of fiber grating measuring mechanical property instrument with male-female disk clamp, including pedestal, body, movable plate, the body is set on the base, the movable plate is arranged on body, the body side is provided with the driving handle for driving movable plate to move up and down along body, tensiometer is removably provided on the movable plate, the body side is provided with the shift scale for recording movable plate displacement, is removably provided with the fixture for fixed tested grating fibers on the tensiometer connecting pin and pedestal respectively.The present invention on measuring mechanical property instrument by setting dedicated fixture, tested grating fibers are effectively fixed by fixed arm, link block, rotate driving handle, driving handle and shift scale show the pulling force that tested grating fibers are subject to and length variation, and then it just can be derived that wavelength and the displacement of tested grating fibers by primary test, the relationship of wavelength and power, it is convenient to bring to detection work.
Description
Technical field
The present invention relates to fiber grating mechanical performance detection device technical fields, specially a kind of to have male-female disk
The fiber grating measuring mechanical property instrument of fixture.
Background technique
Measuring mechanical property instrument is a kind of detection device for detection object length variation and stress size relation, is passed through
Object is fixed on tester by fixture, is applied pulling force, record measurement object receiving force size and length variation, is obtained its mechanicalness
Energy.
The return wavelength change of fiber grating is directly proportional to the variation of the length of fiber grating, the drawing being also subject to fiber grating
Power is directly proportional.Optic fiber grating wavelength variation and the proportionate relationship of length variation and the ratio of wavelength change and tension variations in order to obtain
Example relationship, conventional method is to be tested twice, records its wavelength change and length variation and wavelength change respectively and pulling force becomes
The two kinds of relationships changed.As described in bibliography: K.Li, et al, " Fiber Bragg grating strain modulation
based on nonlinear string transverse-force amplifier”,Optics Letters,vol.38,
no.3,pp.311-313,2013.
If can once obtain above two relationship using measuring mechanical property instrument.But due to fiber grating compared with
Carefully, easily broken, it can not be fixed on measuring mechanical property instrument with conventional fixture.This brings greatly not to measurement work
Just.
Summary of the invention
The purpose of the present invention is to provide a kind of fiber grating measuring mechanical property instrument with male-female disk clamp,
To solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme:
A kind of fiber grating measuring mechanical property instrument with male-female disk clamp, for carrying out machine to grating fibers
Tool performance test, including pedestal, body, movable plate, the body are set on the base, and the movable plate is arranged on body,
The body side is provided with the driving handle for driving movable plate to move up and down along body, dismountable on the movable plate
It is provided with tensiometer, the body side is provided with the shift scale for recording movable plate displacement, the tensiometer connecting pin
With the fixture for fixed tested grating fibers is removably provided on pedestal respectively.
Preferably, the fixture includes attachment base, fixed disc, fixed arm, connecting rod, link block, the fixed disc
It is arranged on attachment base, the attachment base is used to fixture being fixed to tensiometer and pedestal, is provided on the fixed disc
Fixing seat, the fixed arm are arranged in fixing seat by shaft, and connecting shaft, the connecting rod one are provided on the fixed arm
It holds and connect axis connection, the other end is connected with link block, is provided with fixed block on the link block.
Preferably, the fixed block includes the arc structure being adapted with fixed disc.
Preferably, the groove for accommodating tested grating fibers is offered on the fixed disc side, is set on the fixed block
It is equipped with the protrusion being adapted with groove.
Compared with prior art, the beneficial effects of the present invention are:
The present invention on measuring mechanical property instrument by setting dedicated fixture, by fixed arm, link block to tested grating
Optical fiber is effectively fixed, rotate driving handle, and driving handle and shift scale show the drawing that tested grating fibers are subject to
Power and length variation, and then just can be derived that by primary test wavelength and the displacement of tested grating fibers, wavelength and power
Relationship improves detection efficiency, and it is convenient to bring to detection work.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is present clip structural schematic diagram;
Fig. 3 is the top view of present clip.
In figure: 1 pedestal, 2 bodies, 3 movable plates, 4 tensiometers, 5 driving handles, 6 shift scales, 7 fixtures, 71 attachment bases,
72 fixed discs, 721 grooves, 73 fixing seats, 74 fixed arms, 75 connecting shafts, 76 connecting rods, 77 link blocks, 78 fixed blocks, 781
Protrusion.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution:
A kind of fiber grating measuring mechanical property instrument with male-female disk clamp, for carrying out machine to grating fibers
Tool performance test, including pedestal 1, body 2, movable plate 3, body 2 are fixed on pedestal 1, and movable plate 3 is movably arranged on machine
2 upper end of body, 2 side of body are provided with the driving handle 5 for driving movable plate 3 to move up and down along body 2, and tensiometer 4 passes through
Bolt is arranged on movable plate 3, and tensiometer 4 includes digital display tensiometer, for showing tested grating fibers stress size, body 2
Side is provided with the shift scale 6 for recording the displacement of movable plate 3, and shift scale 6 includes digital display displacement scale, for recording quilt
The displacement of grating fibers during the test is surveyed, is removably provided with respectively on 4 connecting pin of tensiometer and pedestal 1 for solid
Surely the fixture 7 of tested grating fibers.
Fixture 7 includes attachment base 71, fixed disc 72, fixed arm 74, connecting rod 76, link block 77, and fixed disc 72 is set
It sets on attachment base 71, the grating fibers detected are wrapped on fixed disc 72, and attachment base 71 is for consolidating fixture 7
Determine onto tensiometer 4 and pedestal 1, fixing seat 73 is provided on fixed disc 72, fixed arm 74 is arranged by shaft in fixing seat
On 73, connecting shaft 75 is provided on fixed arm 74,76 one end of connecting rod is connect by screw thread with connecting shaft 75, and the other end is connected with
Link block 77 adjusts the length of connecting rod 76, and then adjust the power that protrusion 781 presses grating fibers by being rotatablely connected bar 76
The size of degree, it is ensured that it will not be slided during the test, influence test result.Fixed block is provided on link block 77
78, fixed block 78 includes the arc structure being adapted with fixed disc 72, and the tested light of receiving is offered on 72 side of fixed disc
The groove 721 of grid optical fiber is provided with the protrusion 781 being adapted with groove 721, the grating light detected on fixed block 78
Fibre is wrapped in groove 721, and 781 pressure holding of protrusion is on grating fibers.
Fixture 7: being respectively fixed on 4 connecting pin of tensiometer and pedestal 1 by working principle first, then, by tested grating
It in groove 721 on Optical Fiber Winding to fixed disc 72, and is pressed by protrusion 781, is locked by fixed arm 74
Fixed, the tail optical fiber of grating one end is connected with fiber Bragg grating (FBG) demodulator, finally, swinging handle 5, drives movable plate 3 and tensiometer 4 upward
Movement, tested optical fiber are recorded the pulling force that tested grating fibers are subject to by certain pulling force, tensiometer 4 and shift scale 6 respectively
With the displacement of generation, the relationship for surveying wavelength and displacement, wavelength and power is obtained simultaneously by grating demodulation instrument.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (4)
1. a kind of fiber grating measuring mechanical property instrument with male-female disk clamp, mechanical for carrying out to grating fibers
Performance test, including pedestal (1), body (2), movable plate (3), the body (2) are arranged on pedestal (1), the movable plate
(3) it is arranged on body (2), body (2) side is provided with for driving movable plate (3) to move up and down along body (2)
Driving handle (5) is removably provided with tensiometer (4) on the movable plate (3), and body (2) side, which is provided with, to be used for
Record the shift scale (6) of movable plate (3) displacement, it is characterised in that: on tensiometer (4) connecting pin and pedestal (1) respectively
Removably it is provided with the fixture (7) for fixed tested grating fibers.
2. a kind of fiber grating measuring mechanical property instrument with male-female disk clamp according to claim 1,
Be characterized in that: the fixture (7) includes attachment base (71), fixed disc (72), fixed arm (74), connecting rod (76), link block
(77), the fixed disc (72) is arranged on attachment base (71), and the attachment base (71) is used to fixture (7) being fixed to pulling force
It counts on (4) and pedestal (1), is provided with fixing seat (73) on the fixed disc (72), the fixed arm (74) is set by shaft
It sets on fixing seat (73), is provided with connecting shaft (75) on the fixed arm (74), described connecting rod (76) one end and connecting shaft
(75) it connects, the other end is connected with link block (77), is provided with fixed block (78) on the link block (77).
3. a kind of fiber grating measuring mechanical property instrument with male-female disk clamp according to claim 2,
Be characterized in that: the fixed block (78) includes the arc structure being adapted with fixed disc (72).
4. a kind of fiber grating measuring mechanical property instrument with male-female disk clamp according to claim 3,
It is characterized in that: offering the groove (721) for accommodating tested grating fibers, the fixed block on fixed disc (72) side
(78) protrusion (781) being adapted with groove (721) is provided on.
Priority Applications (1)
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CN201910711909.0A CN110411365B (en) | 2019-08-02 | 2019-08-02 | Fiber grating mechanical property tester with convex-concave matched disc clamp |
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CN201910711909.0A CN110411365B (en) | 2019-08-02 | 2019-08-02 | Fiber grating mechanical property tester with convex-concave matched disc clamp |
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CN110411365A true CN110411365A (en) | 2019-11-05 |
CN110411365B CN110411365B (en) | 2021-08-31 |
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CN102784442A (en) * | 2012-08-09 | 2012-11-21 | 中国能源建设集团南京线路器材厂 | Fall-preventing device for ropes and round bars |
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CN107661584A (en) * | 2017-08-01 | 2018-02-06 | 江苏能建机电实业集团有限公司 | A kind of high-altitude cage Anti-inclining or the mechanical mechanism to fall |
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CN108622757A (en) * | 2017-03-15 | 2018-10-09 | 温建 | Cradle safety lock manual lock rope device and lock rope method |
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CN108982071A (en) * | 2018-08-08 | 2018-12-11 | 长飞光纤光缆股份有限公司 | A kind of fiber active linker test device |
CN109095270A (en) * | 2018-06-11 | 2018-12-28 | 黄河科技学院 | A kind of Communication ray cable unwinding device |
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2019
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CN103808489A (en) * | 2012-11-09 | 2014-05-21 | 鸿富锦精密工业(深圳)有限公司 | Fixing device used for fiber detection |
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