CN108562862A - A kind of specimen holder device for the test of magneto-electric coupled coefficient - Google Patents

A kind of specimen holder device for the test of magneto-electric coupled coefficient Download PDF

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Publication number
CN108562862A
CN108562862A CN201810640349.XA CN201810640349A CN108562862A CN 108562862 A CN108562862 A CN 108562862A CN 201810640349 A CN201810640349 A CN 201810640349A CN 108562862 A CN108562862 A CN 108562862A
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CN
China
Prior art keywords
connecting rod
test
magneto
rear end
specimen holder
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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
Application number
CN201810640349.XA
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Chinese (zh)
Inventor
丁本杰
杜建科
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Ningbo University
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Ningbo University
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Publication date
Application filed by Ningbo University filed Critical Ningbo University
Priority to CN201810640349.XA priority Critical patent/CN108562862A/en
Publication of CN108562862A publication Critical patent/CN108562862A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/12Measuring magnetic properties of articles or specimens of solids or fluids
    • G01R33/1253Measuring galvano-magnetic properties

Abstract

The invention discloses a kind of specimen holder devices for the test of magneto-electric coupled coefficient, feature be include pedestal, strut, first connecting rod, second connecting rod, probe fixture, it is respectively used to the cantilevered test piece fixing device being fixedly connected with second connecting rod, freely-supported beam type test piece fixing device, strut is fixed on the base vertically, first connecting rod is horizontally disposed and one end is fixedly installed sliding sleeve, sliding sleeve is set on strut and is fixed by holding screw, probe fixture is fixed at the other end of first connecting rod, second connecting rod is L-shaped, the vertical portion of second connecting rod is fixedly connected with first connecting rod, the horizontal position of second connecting rod is in the underface of first connecting rod and parallel with first connecting rod;Advantage is the test that the clamping device can be used for different size test specimens, and replacement test specimen is simple and convenient, and versatility is preferable;And the experiment of various forms of boundary conditions can be met.

Description

A kind of specimen holder device for the test of magneto-electric coupled coefficient
Technical field
The present invention relates to the performance testing devices of magnetic electric compound material, more particularly to one kind to be tested for magneto-electric coupled coefficient Specimen holder device.
Background technology
Novel magnetic power composite material is a kind of important intellectual material and information functional material, is by piezoelectric material and pressure magnetic Material is combined according to certain mode, and this kind of material can realize the mutual conversion between mechanical energy, electric energy and magnetic energy, The multi-field coupling effects of magnetic-electricity-power, which become, makes sensor, magnetoelectricity control device, microwave device and the production of other electronics The important materials of product.Carry out based on the lower magnetoelectric effect mechanism study of piezoelectricity/pressure magnetic laminate structures Multi-energy field coupling, can be more work( It can device(Such as:Magnetoelectric transducer, magnetometer, bandstop filter, resonator etc.)Broader practice foreground is provided.Wherein, magnetic It is one of most important parameter of magnetoelectricity laminate structures to be electrically coupled performance, and the size of magneto-electric coupled coefficient reflects magnetoelectricity structure Coupling The power of performance, magneto-electric coupled coefficient reach maximum value in resonance, are suitable for different works to meet the laminated device of magnetoelectricity Make occasion, the laminated device of magnetoelectricity to be made to work under different resonant frequencies, therefore needs to test the magnetoelectricity coupling under various boundary Close performance.But at present when testing the magneto-electric coupled coefficient of the laminated test specimen of magnetoelectricity, the clamping for fixing the laminated test specimen of magnetoelectricity Device can only fix the test specimen of some size, and versatility is bad, and when test, the boundary condition of the laminated test specimen of magnetoelectricity is not allowed Malleable, there are large errors for the test specimen surrounding magnetic field measured.
Invention content
Technical problem to be solved by the invention is to provide one kind, and the laminated test specimen of various sizes of magnetoelectricity can be effectively clamped, and leads to It is preferable with property, and changeable test specimen intrinsic frequency, with obtain different test boundary conditions for the test of magneto-electric coupled coefficient Specimen holder device.
Technical solution is used by the present invention solves above-mentioned technical problem:A kind of examination for the test of magneto-electric coupled coefficient Part clamping device, including pedestal, strut, first connecting rod, second connecting rod, probe fixture, be respectively used to and described second Cantilevered test piece fixing device that connecting rod is fixedly connected, freely-supported beam type test piece fixing device, the strut are fixed on institute vertically On the pedestal stated, the first connecting rod is horizontally disposed and one end is fixedly installed sliding sleeve, and the sliding sleeve is set in described It is fixed on strut and by holding screw, the probe fixture is fixed at the other end of the first connecting rod, The second connecting rod is L-shaped, and the vertical portion of the second connecting rod is fixedly connected with the first connecting rod, and described second The horizontal position of connecting rod is in the underface of the first connecting rod and parallel with the first connecting rod.
Further, the probe fixture includes rubber case, and the rear end of the rubber case is provided with Nei great Kou The other end of small connecting hole, the first connecting rod is wholely set the connecting pole that shape matches with the connecting hole, The connecting pole is plugged with the connecting hole, and the front end of the rubber case is provided with the slot for grafting probe.
Further, the cantilevered test piece fixing device include adjusting bolt, flexible upper clamping limb and under Clamping limb, the rear end of the upper clamping limb and the rear end integrally connected of the lower clamping limb form U-shaped grip slipper, described The rear end of grip slipper be connected with the horizontal part of the second connecting rod, the lower surface front end of the upper clamping limb and described The upper surface front end of lower clamping limb be fixedly installed be useful for contacting top, described adjusting spiral shell with the laminated test specimen of magnetoelectricity respectively Bolt passes perpendicularly through the upper clamping limb and the lower clamping limb and is fixed by nut.
Further, the rear end of the grip slipper is provided with spliced eye, the horizontal part of the second connecting rod with it is described The close grafting of spliced eye.
Further, the freely-supported beam type test piece fixing device includes mounting bracket and push plate, after the mounting bracket End face is connected with the horizontal part of the second connecting rod, and the upper/lower terminal of the mounting bracket is respectively arranged with sliding slot, described The upper/lower terminal of push plate be fixedly installed sliding block respectively, the sliding block is slidably matched with the sliding slot level, described Locating plate is provided in sliding slot, positioning screw passes through the sliding slot and the locating plate bolt, after the push plate End face is fixedly installed spring stack, and spring, the push plate are fixedly installed between the spring stack and the mounting bracket Front end face and the mounting bracket on one side corresponding thereto be fixedly installed respectively it is top.
Further, the rear end face of the mounting bracket is fixedly installed connector sleeve, the horizontal part of the second connecting rod With the close grafting of connector sleeve.
Further, it is described it is top it is outer be arranged with protective jacket, can prevent the laminated test specimen of magnetoelectricity from slipping.
Compared with prior art, it is an advantage of the invention that due to being provided with cantilevered test piece fixing device in the clamping device With freely-supported beam type test piece fixing device, the laminated test specimen of various sizes of magnetoelectricity can be clamped so that the clamping device can be used for not With the test of size test specimen, and replacement test specimen is simple and convenient, and versatility is preferable;And use cantilevered test piece fixing device or letter Branch beam type test piece fixing device fixes the laminated test specimen of magnetoelectricity, may make when test specimen is clamped with different intrinsic frequencies, with Meet the experiment of various forms of boundary conditions;Further, since probe fixture is additionally provided in clamping device, and positioned at examination The surface of part fixing device keeps probe and the laminated test specimen of magnetoelectricity in the same vertical plane so that magnetic induction when test Line passes perpendicularly through probe, keeps the magnetic field that probe measures around the laminated test specimen of magnetoelectricity more accurate.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention;
Fig. 2 is the structural schematic diagram of the probe fixture of the present invention;
Fig. 3 is the structural schematic diagram of the freely-supported beam type test piece fixing device of the present invention;
Fig. 4 is the enlarged diagram at A in Fig. 3;
Fig. 5 is the vertical view of Fig. 4;
Fig. 6 is the structural schematic diagram of the cantilevered test piece fixing device of the present invention.
Specific implementation mode
Below in conjunction with attached drawing embodiment, present invention is further described in detail.
As shown, a kind of specimen holder device for the test of magneto-electric coupled coefficient, including pedestal 1, strut 2, first Connecting rod 3, second connecting rod 4, probe fixture, be respectively used to the cantilevered test piece fixing device being fixedly connected with second connecting rod 4, Freely-supported beam type test piece fixing device, strut 2 are fixed on vertically on pedestal 1, and first connecting rod 3 is horizontally disposed and one end is fixedly installed Sliding sleeve 31, sliding sleeve 31 are set on strut 2 and are fixed by holding screw 32, and probe fixture includes rubber case 5, rubber case 5 rear end is provided with the small connecting holes 51 of Nei great Kou, and the other end of first connecting rod 3 has been wholely set shape and 51 phase of connecting hole The connecting pole 33 matched, connecting pole 33 are plugged with connecting hole 51, and the front end of rubber case 5 is provided with inserting for grafting probe 100 Slot 52, second connecting rod 4 is L-shaped, and the vertical portion 41 of second connecting rod 4 is fixedly connected with first connecting rod 3, the horizontal part of second connecting rod 4 42 be located at first connecting rod 3 underface and first connecting rod 3 it is parallel, cantilevered test piece fixing device include adjusting bolt 63, tool Flexible upper clamping limb 61 and lower clamping limb 62, the rear end of upper clamping limb 61 and the rear end integrally connected of lower clamping limb 62 are formed The rear end of U-shaped grip slipper, grip slipper is provided with spliced eye(It is not marked in figure), the horizontal part 42 and spliced eye of second connecting rod 4 The upper surface front end of close grafting, the lower surface front end of upper clamping limb 61 and lower clamping limb 62 is fixedly installed respectively to be useful for and magnetic Electric layer closes top 64 that test specimen 200 contacts, and adjusting bolt 63 passes perpendicularly through clamping limb 61 and lower clamping limb 62 and passes through nut 65 fix;
Freely-supported beam type test piece fixing device includes mounting bracket 7 and push plate 8, and the rear end face of mounting bracket 7 is fixedly installed connector sleeve 71, The horizontal part 42 of second connecting rod 4 and 71 close grafting of connector sleeve, the upper/lower terminal of mounting bracket 7 are respectively arranged with sliding slot 72, push plate 8 upper/lower terminal is fixedly installed sliding block 81 respectively, and sliding block 81 is slidably matched with 72 level of sliding slot, and it is fixed to be provided in sliding slot 72 Bit slice 74, positioning screw 73 pass through sliding slot 72 and 74 bolt of locating plate, the rear end face of push plate 8 to be fixedly installed spring stack 82, It is fixedly installed spring 9 between spring stack 82 and mounting bracket 7, the one side on the front end face and mounting bracket 7 of push plate 8 corresponding thereto point It is not fixedly installed outside top 64, top 64 and is arranged with protective jacket 66.
In above-described embodiment, cantilevered test piece fixing device and freely-supported beam type test piece fixing device are selectively with second The horizontal part 42 of connecting rod 4 connects, rather than is connect simultaneously with the horizontal part of second connecting rod 4 42.

Claims (7)

1. a kind of specimen holder device for the test of magneto-electric coupled coefficient, it is characterised in that connect including pedestal, strut, first Bar, probe fixture, is respectively used to the cantilevered test specimen being fixedly connected with second connecting rod fixation dress at second connecting rod It sets, freely-supported beam type test piece fixing device, the strut is fixed on vertically on the pedestal, and the first connecting rod level is set It sets and one end is fixedly installed sliding sleeve, the sliding sleeve is set on the strut and is fixed by holding screw, described Probe fixture is fixed at the other end of the first connecting rod, and the second connecting rod is L-shaped, and described second connects The vertical portion of bar is fixedly connected with the first connecting rod, and the horizontal position of the second connecting rod is in the first connecting rod Underface and parallel with the first connecting rod.
2. a kind of specimen holder device for the test of magneto-electric coupled coefficient as described in claim 1, it is characterised in that:It is described Probe fixture include rubber case, the rear end of the rubber case is provided with the small connecting holes of Nei great Kou, described first The other end of connecting rod is wholely set the connecting pole that shape matches with the connecting hole, the connecting pole and the company It connects hole to plug, the front end of the rubber case is provided with the slot for grafting probe.
3. a kind of specimen holder device for the test of magneto-electric coupled coefficient as described in claim 1, it is characterised in that:It is described Cantilevered test piece fixing device include adjusting bolt, flexible upper clamping limb and lower clamping limb, the upper clamping limb Rear end and the rear end integrally connected of the lower clamping limb form U-shaped grip slipper, the rear end of the grip slipper with it is described The horizontal part of second connecting rod be connected, before the upper surface of the lower surface front end of the upper clamping limb and the lower clamping limb End respectively fixed setting be useful for contact with magnetoelectricity laminated test specimen top, described adjusting bolt pass perpendicularly through described in upper folder It gripping arm and the lower clamping limb and is fixed by nut.
4. a kind of specimen holder device for the test of magneto-electric coupled coefficient as claimed in claim 3, it is characterised in that:It is described The rear end of grip slipper be provided with spliced eye, the horizontal part of the second connecting rod and the close grafting of the spliced eye.
5. a kind of specimen holder device for the test of magneto-electric coupled coefficient as described in claim 1, it is characterised in that:It is described Freely-supported beam type test piece fixing device include mounting bracket and push plate, the rear end face of the mounting bracket and the second connecting rod Horizontal part is connected, and the upper/lower terminal of the mounting bracket is respectively arranged with sliding slot, the upper/lower terminal difference of the push plate It is fixedly installed sliding block, the sliding block is slidably matched with the sliding slot level, and locating plate is provided in the sliding slot, fixed Position screw passes through the sliding slot and the locating plate bolt, the rear end face of the push plate to be fixedly installed spring stack, Spring, the front end face of the push plate and the mounting bracket are fixedly installed between the spring stack and the mounting bracket On one side corresponding thereto be fixedly installed respectively it is top.
6. a kind of specimen holder device for the test of magneto-electric coupled coefficient as claimed in claim 5, it is characterised in that:It is described The rear end face of mounting bracket be fixedly installed connector sleeve, the horizontal part of the second connecting rod is closely inserted with the connector sleeve It connects.
7. a kind of specimen holder device for the test of magneto-electric coupled coefficient as claimed in claim 5, it is characterised in that:It is described Top outer be arranged with protective jacket.
CN201810640349.XA 2018-06-21 2018-06-21 A kind of specimen holder device for the test of magneto-electric coupled coefficient Pending CN108562862A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810640349.XA CN108562862A (en) 2018-06-21 2018-06-21 A kind of specimen holder device for the test of magneto-electric coupled coefficient

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810640349.XA CN108562862A (en) 2018-06-21 2018-06-21 A kind of specimen holder device for the test of magneto-electric coupled coefficient

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101571467A (en) * 2008-04-30 2009-11-04 中国科学院金属研究所 Test system and test method for dynamic bending fatigue property of thin film material
US20090323212A1 (en) * 2008-06-30 2009-12-31 Hitachi High-Technologies Corporation Handling robot of magnetic head assembly, magnetic head test method and magnetic head tester
CN103792145A (en) * 2012-10-30 2014-05-14 莆田市产品质量检验所 Overall stiffness measurement method for paper meal plate
CN204564181U (en) * 2015-03-31 2015-08-19 黄一鸣 A kind of physics teaching iron stand
CN105301199A (en) * 2015-11-11 2016-02-03 北京大学 Probe system multi-filed loading device
CN106597329A (en) * 2016-11-15 2017-04-26 华中科技大学 Automatic magneto-electricity coefficient test system
CN206710231U (en) * 2017-05-16 2017-12-05 南京英派克检测有限责任公司 Impact tester for simple supported beam
CN207379412U (en) * 2017-09-07 2018-05-18 山东交通学院 A kind of experimental rig for being used to measure height of Marshall specimen and temperature
CN208443994U (en) * 2018-06-21 2019-01-29 宁波大学 A kind of specimen holder device for the test of magneto-electric coupled coefficient

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101571467A (en) * 2008-04-30 2009-11-04 中国科学院金属研究所 Test system and test method for dynamic bending fatigue property of thin film material
US20090323212A1 (en) * 2008-06-30 2009-12-31 Hitachi High-Technologies Corporation Handling robot of magnetic head assembly, magnetic head test method and magnetic head tester
CN103792145A (en) * 2012-10-30 2014-05-14 莆田市产品质量检验所 Overall stiffness measurement method for paper meal plate
CN204564181U (en) * 2015-03-31 2015-08-19 黄一鸣 A kind of physics teaching iron stand
CN105301199A (en) * 2015-11-11 2016-02-03 北京大学 Probe system multi-filed loading device
CN106597329A (en) * 2016-11-15 2017-04-26 华中科技大学 Automatic magneto-electricity coefficient test system
CN206710231U (en) * 2017-05-16 2017-12-05 南京英派克检测有限责任公司 Impact tester for simple supported beam
CN207379412U (en) * 2017-09-07 2018-05-18 山东交通学院 A kind of experimental rig for being used to measure height of Marshall specimen and temperature
CN208443994U (en) * 2018-06-21 2019-01-29 宁波大学 A kind of specimen holder device for the test of magneto-electric coupled coefficient

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