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 PDF

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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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China
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fixed
movable plate
mechanical property
male
measuring mechanical
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CN201910711909.0A
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CN110411365B (en
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赵义虎
王聪
任文娟
李阔
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Bengbu College
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Bengbu College
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/16Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
    • G01B11/165Measuring 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00Measuring force or stress, in general
    • G01L1/24Measuring 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
    • G01L1/242Measuring 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

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  • 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

A kind of fiber grating measuring mechanical property instrument with male-female disk clamp
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.
CN201910711909.0A 2019-08-02 2019-08-02 Fiber grating mechanical property tester with convex-concave matched disc clamp Active CN110411365B (en)

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CN110411365B CN110411365B (en) 2021-08-31

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US3474195A (en) * 1964-11-28 1969-10-21 Victor Company Of Japan Apparatus for guiding and driving a tape for magnetic recording and reproducing in oblique tracks
BR7502594A (en) * 1974-05-20 1976-04-20 Gen Motors Corp IMPROVEMENT IN SCRAPER FOR EARTH REMOVAL (SCRAPER)
CN101412064A (en) * 2008-10-30 2009-04-22 苏州市德意机电设备有限公司 Hydraulic clamping head of rotating bending drawframe
CN102681086A (en) * 2012-05-03 2012-09-19 山东省科学院激光研究所 Fiber bragg grating producing device capable of controlling wavelengths
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
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
CN104483214A (en) * 2014-12-17 2015-04-01 南京大学 Distributive sensing optical cable fatigue property test device
CN104986629A (en) * 2015-06-11 2015-10-21 安庆市华鑫重工股份有限公司 Revolving and conveying device for hoisting steel wire rope
CN205352843U (en) * 2016-01-19 2016-06-29 西南科技大学 Small -size accurate tensile test appearance
CN106124168A (en) * 2016-06-30 2016-11-16 江苏亨通海洋光网系统有限公司 A kind of fiber stress strain testing method
CN206689917U (en) * 2017-03-28 2017-12-01 深圳市源国科技有限公司 Optical fiber quick clamping device
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
CN207798311U (en) * 2017-12-22 2018-08-31 天津立孚光电科技股份有限公司 Cable pulling force test device
CN108622757A (en) * 2017-03-15 2018-10-09 温建 Cradle safety lock manual lock rope device and lock rope method
CN108801765A (en) * 2018-06-15 2018-11-13 北京航天时代光电科技有限公司 A kind of optical fibre device pulling force automatic detection device
CN208125359U (en) * 2018-04-13 2018-11-20 苏州拓博机械设备有限公司 A kind of optical fiber combined type testing machine
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

Patent Citations (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3474195A (en) * 1964-11-28 1969-10-21 Victor Company Of Japan Apparatus for guiding and driving a tape for magnetic recording and reproducing in oblique tracks
BR7502594A (en) * 1974-05-20 1976-04-20 Gen Motors Corp IMPROVEMENT IN SCRAPER FOR EARTH REMOVAL (SCRAPER)
CN101412064A (en) * 2008-10-30 2009-04-22 苏州市德意机电设备有限公司 Hydraulic clamping head of rotating bending drawframe
CN102681086A (en) * 2012-05-03 2012-09-19 山东省科学院激光研究所 Fiber bragg grating producing device capable of controlling wavelengths
CN102681086B (en) * 2012-05-03 2013-06-12 山东省科学院激光研究所 Fiber bragg grating producing device capable of controlling wavelengths
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
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
CN104483214A (en) * 2014-12-17 2015-04-01 南京大学 Distributive sensing optical cable fatigue property test device
CN104986629A (en) * 2015-06-11 2015-10-21 安庆市华鑫重工股份有限公司 Revolving and conveying device for hoisting steel wire rope
CN205352843U (en) * 2016-01-19 2016-06-29 西南科技大学 Small -size accurate tensile test appearance
CN106124168A (en) * 2016-06-30 2016-11-16 江苏亨通海洋光网系统有限公司 A kind of fiber stress strain testing method
CN108622757A (en) * 2017-03-15 2018-10-09 温建 Cradle safety lock manual lock rope device and lock rope method
CN206689917U (en) * 2017-03-28 2017-12-01 深圳市源国科技有限公司 Optical fiber quick clamping device
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
CN207798311U (en) * 2017-12-22 2018-08-31 天津立孚光电科技股份有限公司 Cable pulling force test device
CN208125359U (en) * 2018-04-13 2018-11-20 苏州拓博机械设备有限公司 A kind of optical fiber combined type testing machine
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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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

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