CN103760019B - Atomic force microscope is supporting with horizontal material extending compression test - Google Patents
Atomic force microscope is supporting with horizontal material extending compression test Download PDFInfo
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- CN103760019B CN103760019B CN201310751692.9A CN201310751692A CN103760019B CN 103760019 B CN103760019 B CN 103760019B CN 201310751692 A CN201310751692 A CN 201310751692A CN 103760019 B CN103760019 B CN 103760019B
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- leading screw
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Abstract
A kind of atomic force microscope is supporting with horizontal material extending compression test, and gear train comprises leading screw, moving beam, speed reduction unit, left fixture, right fixture; The table top of framework is hollow structure, is provided with servomotor, power supply in its left crossbeam; Be respectively arranged with leading screw in framework all side beam, rear side beam, moving beam two ends are in transmission connection two leading screws respectively; The rotation axis of two leading screw one end is affixed with two engaged wheels respectively, and engaged wheel is in transmission connection by circular arc synchronous toothed belt and speed reduction unit; Speed reduction unit is connected with servo motor transmission; Left fixture is fixed on left cross rail inner, and right fixture is fixed on force snesor, and force snesor is fixed on movable beam.Structure of the present invention is simple, easy to use, the space that atomic force microscope can work can being met, the surface topography of sample can be measured to a certain degree utilizing afterwards sample extension or be compressed to atomic force microscope, thus analyze and stretch or the impact of compression on sample structure.
Description
Technical field
The present invention relates to analysis classes instrument field, be specifically related to improvement that is a kind of and the material extending compression test structure of atomic force microscope coupling.
Background technology
Scientific research be unable to do without the exploitation of science and technology and instrument, in order to organically combine to the measurement of nano material and Mechanical Properties of Products and the detection of microscopic appearance, academia and engineering technological are being developed some mechanics test devices and are being come and scanning electron microscope (SEM), transmission electron microscope (TEM), the micro-nano optical viewers such as atomic force microscope (AFM) with the use of, thus in depth can explore microscopic damage fracture behaviour and the mechanism of all kinds of nano material and goods, and and load effect, correlativity rule between material structure and performance.
There is now a kind of horizontal dynamic and static electrohydraulic-servo microexamination testing machine, primarily of main frame, hydraulic power source, control system composition.Wherein, main frame is provided with adjustment oil cylinder subsystem, and servo-cylinder is from system, and optical microscope and three-dimensional Mobile Slide, for sample provides experiment porch; And controlled by computing machine.But this machine construction is comparatively complicated, structure is special, the space that atomic force microscope can work can not be met, thus also cannot support the use with atomic force microscope, thus atomic force microscope observation sample urn Topography cannot be utilized to change when carrying out Compression and Expansion operation to sample.Therefore be necessary to manufacture and the matched horizontal material extending compression test of atomic force microscope.
Summary of the invention
For limitation of the prior art, the object of the invention is, provides a kind of and the matched material extending compression test of atomic force microscope.
The present invention adopts following technical scheme:
A kind of atomic force microscope is supporting with horizontal material extending compression test, includes gear train, servomotor and power supply; It is characterized in that, gear train comprises leading screw, moving beam, speed reduction unit, left fixture, right fixture;
The table top of framework is hollow structure, is provided with servomotor, power supply in its left crossbeam; Be respectively arranged with leading screw in framework all side beam, rear side beam, moving beam two ends are in transmission connection two leading screws respectively; The rotation axis of two leading screw one end is affixed with two engaged wheels respectively, and engaged wheel is in transmission connection by circular arc synchronous toothed belt and speed reduction unit; Speed reduction unit is connected with servo motor transmission;
Left fixture is fixed on left cross rail inner, and right fixture is fixed on force snesor, and force snesor is fixed on movable beam.
The present invention and atomic force microscope supporting after, while the Mechanics Performance Testings such as Tension and Compression are carried out to sample, atomic force microscope test can be carried out to sample.The present invention may be used for the measurement to samples such as organic and inorganic, compound substances.
When the present invention applies, forward and backward curb girder, moving beam and left crossbeam are work space, make the present invention and atomic force microscope supporting.The two ends of test sample are separately fixed on left fixture and right fixture, fixture has screw screw, fixture can be made after tighten the screws tightly to clamp sample; Left fixture and right fixture are clamped sample two ends, makes test specimens product be positioned at the below of atomic force microscope probe 15, namely in work space.By the conbined usage of the present invention and atomic force microscope, thus the macro-mechanical property of analytical sample and the microscopic damage fracture behaviour under stretching/compressing condition, and and load effect, correlativity rule between material structure and performance.
The present invention adopts horizontal type structure, structure is simple, easy to use, the space that atomic force microscope can work can be met, the surface topography of sample can be measured to a certain degree utilizing afterwards sample extension or be compressed to atomic force microscope, thus analyze and stretch or the impact of compression on sample structure.The present invention simultaneously also can measure the macro-mechanical property of sample.Thus the Dominant Facies of the advantage of atomic force microscope and omnipotent mechanics machine can be combined, and result of use is good.
Accompanying drawing explanation
Accompanying drawing 1 is perspective view of the present invention.
Accompanying drawing 2 is left crossbeam inner structure schematic diagram.
Accompanying drawing 3 is leading screw, circular arc synchronous toothed belt and speed reduction unit syndeton schematic diagram
Beam, 7 speed reduction units, 71 followers, 8 circular arc synchronous toothed belts, 9 force snesor, 10 left fixtures, 11 right fixtures, 12 controllers, 13 brace summers, 14 power supplys, 15 atomic force microscope probes, 16 protection rubber, 17 servomotors on rear side of 1 framework, 2 left crossbeams, 3 leading screws, 31 rotation axiss, 4 moving beams, 5 all side beams, 6.
Embodiment
The preferred embodiments of the present invention accompanying drawings is as follows:
A kind of atomic force microscope is supporting with horizontal material extending compression test, includes gear train, servomotor 17 and power supply 14; Gear train comprises leading screw 3, moving beam 4, speed reduction unit 7, left fixture 10, right fixture 11;
The table top of framework 1 is hollow structure, is provided with servomotor 17, power supply 14 in its left crossbeam 2; Be respectively arranged with leading screw 3 in framework all side beam 5, rear side beam 6, moving beam 4 two ends are in transmission connection two leading screws respectively; The rotation axis 31 of two leading screw one end is affixed with two engaged wheels 71 respectively, and engaged wheel is in transmission connection by circular arc synchronous toothed belt 8 and speed reduction unit 7; Speed reduction unit and servomotor 8 are in transmission connection;
Left fixture 10 is fixed on inside left crossbeam 2, and right fixture 11 is fixed on force snesor 9, and force snesor 9 is fixed on movable beam 4.
In all side beam, rear side beam, the arranged outside of leading screw has protection rubber 16, and the inner side of leading screw is provided with brace summer 13.Brace summer can play the effect of bracing reinforcement to whole horizontal material extending compression test machine frame.The effect of protection rubber is protection leading screw.
Framework before measurement beam is provided with controller 12; Controller connects power supply, force snesor, computing machine, servomotor respectively.
Described left fixture and right fixture keep level, are 200-1100mm apart from adjustable range.
Principle of work of the present invention is: utilize left fixture and right fixture to clamp the two ends of sample, and the screw screw tightened on fixture thus make fixture tightly clamp sample; Start power switch, utilize computer software to control subsequently, driven by servomotor speed reduction unit, utilize circular arc synchronous toothed belt to drive guide screw movement, the rotational movement movable beam of leading screw moves left and right, thus stretches to sample or compress; The signal of the mechanical signal that controller collection force snesor is collected and servomotor, thus can the Quality control distance that is stretched or compresses, and then analyze the macro-mechanical property of sample, and stop stretching or compression by stretching or being compressed to after certain distance, now utilize atomic force microscope to carry out nano level imaging to sample surfaces, after just can analyzing tractive compression, the structure of sample changes.
Claims (1)
1. atomic force microscope is supporting with a horizontal material extending compression test, includes gear train, servomotor and power supply; It is characterized in that, gear train comprises leading screw, moving beam, speed reduction unit, left fixture, right fixture;
The table top of framework is hollow structure, is provided with servomotor, power supply in its left crossbeam; Be respectively arranged with leading screw in framework all side beam, rear side beam, moving beam two ends are in transmission connection two leading screws respectively; The rotation axis of two leading screw one end is affixed with two engaged wheels respectively, and engaged wheel is in transmission connection by circular arc synchronous toothed belt and speed reduction unit; Speed reduction unit is connected with servo motor transmission;
Left fixture is fixed on left cross rail inner, and right fixture is fixed on force snesor, and force snesor is fixed on movable beam;
In all side beam, rear side beam, the arranged outside of leading screw has protection rubber, and the inner side of leading screw is provided with brace summer;
Framework all side beam is provided with controller; Controller connects power supply, force snesor, computing machine and servomotor respectively;
Described left fixture and right fixture keep level, and adjustable distance is 200-1100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310751692.9A CN103760019B (en) | 2013-12-31 | 2013-12-31 | Atomic force microscope is supporting with horizontal material extending compression test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310751692.9A CN103760019B (en) | 2013-12-31 | 2013-12-31 | Atomic force microscope is supporting with horizontal material extending compression test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103760019A CN103760019A (en) | 2014-04-30 |
| CN103760019B true CN103760019B (en) | 2016-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310751692.9A Expired - Fee Related CN103760019B (en) | 2013-12-31 | 2013-12-31 | Atomic force microscope is supporting with horizontal material extending compression test |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104316399B (en) * | 2014-10-16 | 2017-01-11 | 上海纳米技术及应用国家工程研究中心有限公司 | Lever-type tensile fixture for horizontal type material stretch compression tester for atomic force microscope |
| CN106596260A (en) * | 2016-11-09 | 2017-04-26 | 深圳烯湾科技有限公司 | Tensile testing method based on atomic force microscope probe |
| CN107192604A (en) * | 2017-04-14 | 2017-09-22 | 上海海洋大学 | The horizontal material Compression and Expansion testing machine gear driving sample holder of AFM |
| CN107290207A (en) * | 2017-06-06 | 2017-10-24 | 华南理工大学 | A kind of material testing apparatus based on AFM and electrodynamics stretching-machine |
| CN107764640A (en) * | 2017-09-13 | 2018-03-06 | 上海海洋大学 | The supporting Universal micro mechanics machine of AFM |
| CN112748099A (en) * | 2020-12-21 | 2021-05-04 | 湘潭大学 | Material micro-stretching device used with atomic force microscope and using method thereof |
Citations (2)
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| CN103105510A (en) * | 2013-01-31 | 2013-05-15 | 上海纳米技术及应用国家工程研究中心有限公司 | Film sample stretching device used for being matched with atomic force microscope (AFM) |
| CN103344494A (en) * | 2013-07-16 | 2013-10-09 | 中国农业大学 | Straw stretching property test device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3675406B2 (en) * | 2002-01-15 | 2005-07-27 | 関西ティー・エル・オー株式会社 | Micromaterial testing apparatus and mechanical property evaluation method using the same |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103105510A (en) * | 2013-01-31 | 2013-05-15 | 上海纳米技术及应用国家工程研究中心有限公司 | Film sample stretching device used for being matched with atomic force microscope (AFM) |
| CN103344494A (en) * | 2013-07-16 | 2013-10-09 | 中国农业大学 | Straw stretching property test device |
Non-Patent Citations (1)
| Title |
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| AFM原位拉伸试验装置研制及试验研究;周琴;《中国优秀硕士学位论文全文数据库 工程科技II辑》;20111215(第S2期);第9－19页，图2-2，图2-5，图2-11 * |
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