CN110346214A - A kind of experiment loading device - Google Patents
A kind of experiment loading device Download PDFInfo
- Publication number
- CN110346214A CN110346214A CN201910743677.7A CN201910743677A CN110346214A CN 110346214 A CN110346214 A CN 110346214A CN 201910743677 A CN201910743677 A CN 201910743677A CN 110346214 A CN110346214 A CN 110346214A
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- China
- Prior art keywords
- pressure head
- experiment loading
- clamp assemblies
- beam type
- linear slide
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- 238000011068 loading method Methods 0.000 title claims abstract description 36
- 238000002474 experimental method Methods 0.000 title claims abstract description 32
- 238000000429 assembly Methods 0.000 claims abstract description 24
- 230000000712 assembly Effects 0.000 claims abstract description 24
- 238000006073 displacement reaction Methods 0.000 claims description 12
- 239000011521 glass Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 abstract description 11
- 238000003384 imaging method Methods 0.000 description 7
- 239000007779 soft material Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
- G01N3/068—Special adaptations of indicating or recording means with optical indicating or recording means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
- G01N2203/0423—Chucks, fixtures, jaws, holders or anvils using screws
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Microscoopes, Condenser (AREA)
Abstract
The invention discloses a kind of experiment loading devices, including fixed frame, Linear slide platform, actuator, pressure head clamp assemblies and sample plummer；Linear slide platform is mounted on fixed frame, and beam type sensor is fixed on the slide unit of Linear slide platform；Actuator is for driving slide unit to move along the vertical direction；Pressure head clamp assemblies are fixed on the free end of beam type sensor；Sample plummer is connected with microscope slide table top, and the above and or below of sample plummer is equipped with micro objective.When using above-mentioned experiment loading device, it is moved up and down using actuator driving Linear slide platform, the pressure head that pressure head clamp assemblies can be made to be held is pushed or is above mentioned, wherein, beam type sensor can obtain the variation of contact force in pressure head and sample contact process, micro objective can obtain contact picture picture, facilitate the evolution condition of user's observational record contact surface.
Description
Technical field
The present invention relates to mechanical testing equipment technical fields, more specifically to a kind of experiment loading device.
Background technique
Soft material (including many high molecular materials, biologic soft tissue) using more and more extensive, their mechanical property
Acquisition also become more and more important.
For soft material sample, the process of pressure head contact sample may cause the destruction of material surface, moreover, many soft
Material surface usually shows certain viscosity, and the form of contact area unsticking also will affect mechanical property, therefore to contact zone
Domain carries out whole microscopic observation and has a very big significance.
But there is no the contact forces for not only measuring pressure head and soft material in the prior art, but also survey and remember to contact surface Appearance View
The equipment of record.
Summary of the invention
In view of this, the present invention provides a kind of experiment loading device, with beam type sensor and micro objective,
The variation of contact force in pressure head and soft material sample contact process can be obtained and contacted by micro objective observational record
The evolution condition in face.
To achieve the above object, the invention provides the following technical scheme:
A kind of experiment loading device, comprising:
Fixed frame；
The Linear slide platform being mounted on the fixed frame is fixed with beam type sensing on the slide unit of the Linear slide platform
Device；
Actuator, the actuator is for driving the slide unit of the Linear slide platform to move along the vertical direction；
Pressure head clamp assemblies, the pressure head clamp assemblies are fixed on the free end of the beam type sensor；
Sample plummer, the sample plummer are connected with microscope slide table top, and the top of sample plummer and/or
Lower section is equipped with micro objective.
Preferably, in above-mentioned experiment loading unit, further includes:
Reflecting element, the reflecting element are fixed on the pressure head clamp assemblies；
Laser displacement sensor, the laser displacement sensor are located above the reflecting element, for detect its with it is described
The distance between reflecting element.
Preferably, in above-mentioned experiment loading unit, the reflecting element is plane mirror.
Preferably, in above-mentioned experiment loading unit, the pressure head clamp assemblies include described in two side plates and connection two
The screw of side plate, wherein the first side plate is fixedly connected with the beam type sensor, and first side plate and second side
Pressure head is accompanied between plate.
Preferably, in above-mentioned experiment loading unit, the pressure head is transparent pressure head.
Preferably, in above-mentioned experiment loading unit, the sample plummer includes the transparency glass plate and ring being stacked
Shape table top, the transparency glass plate are located above, and the circular table is connected with the microscope slide table top.
Preferably, right above and below the micro objective, with the open-work of the circular table in above-mentioned experiment loading unit
It answers.
The present invention provides a kind of experiment loading device, including fixed frame, Linear slide platform, actuator, pressure head clamp assemblies
With sample plummer；Linear slide platform is mounted on fixed frame, and beam type sensor is fixed on the slide unit of Linear slide platform；
Actuator is for driving slide unit to move along the vertical direction；Pressure head clamp assemblies are fixed on the free end of beam type sensor；Sample
Product plummer is connected with microscope slide table top, and the above and or below of sample plummer is equipped with micro objective.
When using above-mentioned experiment loading device, is moved up and down using actuator driving Linear slide platform, pressure head can be made to clamp
The pressure head that component is held is pushed or is above mentioned, wherein beam type sensor can obtain contact force in pressure head and sample contact process
Variation, micro objective can obtain contact picture picture, facilitate the evolution condition of user's observational record contact surface.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of experiment loading device provided in an embodiment of the present invention；
Fig. 2 is that experiment loading unit provided in an embodiment of the present invention carries out the power measured in once load and time relationship is bent
Line；
Fig. 3 is that experiment loading unit provided in an embodiment of the present invention carries out the load depth measured in once load and time
Relation curve；
Wherein, in Fig. 1:
Fixed frame 1；Linear slide platform 2；Actuator 3；Beam type sensor 4；Pressure head 5；Pressure head clamp assemblies 6；Reflection
Part 7；Laser displacement sensor 8；Sample 9；Transparency glass plate 10；Circular table 11；Micro objective 12,13.
Specific embodiment
The embodiment of the invention discloses a kind of experiment loading device, with beam type sensor and micro objective,
The variation of contact force in pressure head and soft material sample contact process can be obtained and contacted by micro objective observational record
The evolution condition in face.
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-Fig. 3 is please referred to, the embodiment of the present invention provides a kind of experiment loading device comprising fixed frame 1 is linearly slided
Platform 2, actuator 3, pressure head clamp assemblies 6 and sample plummer；Linear slide platform 2 is mounted on fixed frame 1, and Linear slide platform 2
Slide unit on be fixed with beam type sensor 4；Actuator 3 is for driving the slide unit of Linear slide platform 2 to move along the vertical direction；Pressure
Head clamp assemblies 6 are fixed on the free end of beam type sensor 4；Sample plummer is connected with microscope slide table top, and sample
The above and or below of product plummer is equipped with micro objective.
When using above-mentioned experiment loading device, drives Linear slide platform 2 to move up and down using actuator 3, pressure head can be made to press from both sides
It holds the held pressure head 5 of component 6 to push or above mention, wherein beam type sensor 4 can obtain to be connect in pressure head 5 and 9 contact process of sample
The variation of touch, micro objective can obtain contact picture picture, facilitate the evolution condition of user's observational record contact surface.
Specifically, in above-mentioned experiment loading unit, fixed frame 1 is for Linear slide platform 2 to be fixed on desktop or micro-
Switching device on the expanding table of mirror.Linear slide platform 2 can provide uniaxial loading, and hole location is provided on slide unit to fixed outstanding
Arm beam sensor 4.Actuator 3 is stepper motor or other kinds of motor.The entirety that Linear slide platform 2 and actuator 3 form
The device of other automatically controlled loads of energy can also be substituted for, it is only necessary to guarantee that beam type sensor 4 is driven to move up and down.
In the present embodiment, the root of beam type force snesor 4 is fixed on Linear slide platform 2, thus can integrally be carried out controlled
Displacement.
It further, further include reflecting element 7 and laser displacement sensor in experiment loading unit provided by the above embodiment
8；Reflecting element 7 is fixed on pressure head clamp assemblies 6；Laser displacement sensor 8 is located at the top of reflecting element 7, for detect its with it is anti-
Penetrate the distance between part 7.
Laser displacement sensor 8 can be fixed by optics bridge or other easy devices, so that laser exit is reflecting
The surface of part 7, when the distance between reflecting element 7 and laser displacement sensor 8 change, laser displacement sensor 8 is measured
Value will change.Reflecting element 7 is fixed on the upside of clamp assemblies 6, avoids deformation when beam type 4 dynamometry of sensor
Bring errors in position measurement, thus the change in location of reflecting element 7 has corresponded to the change in location of pressure head 5 in pressure head clamp assemblies 6.
By calibration, the output information of recording laser displacement sensor 8 can be obtained by the practical compression distance of pressure head 5.As can be seen that
In the present embodiment, the measurement of contact force and load depth is decoupling, can demarcate dynamometry part respectively and survey load depth portion
Point, structure is simple, is convenient for experimental implementation.
Preferably, reflecting element 7 may be configured as the upside for being adhered to clamp assemblies, and bonding location needs to guarantee will not be to object lens
Imaging interferes.Reflecting element 7 is set as plane mirror or the good surface of other reflection lasers.
Clamp assemblies 6 need to ensure cause to block to the viewing area of micro objective.Clamp assemblies 6 are set as by two
A side plate and two screw compositions；Screw connects two side plates；First side plate is fixed on the freedom of beam type sensor 4
End, and pressure head 5 is accompanied between the first side plate and the second side plate, it is clamped by screw.It can be seen that fixed frame 1, linearly slide
Platform 2, actuator 3, beam type force snesor 4, pressure head clamp assemblies 6 constitute loading force and dynamometry part in test.Using
When, by the movement of PC control actuator 3, so that pressure head 5 is made to push or above mention, power in pressure head 5 and 9 contact process of sample
Variation obtained by the beam type sensor 4 that is connected on clamp assemblies 6, this process makes load and dynamometry be able to reality
It is existing.
Sample plummer may be configured as including the transparency glass plate 10 and ring being stacked for carrying sample to be tested 9
Shape table top 11, transparency glass plate 10 are located above, and circular table 11 is connected with microscope slide table top.Sample to be tested 9 is placed in
On bright glass plate 10.Transparency glass plate 10 not only provides support, but also does not influence optical imagery, alternatively has greater stiffness at other
Transparent panel.Circular table 11 is used to connect transparency glass plate 10 and microscope slide table top, thus alternatively at other auxiliary
The fixed and unlikely component for influencing imaging.The micro objective of sample plummer above and or below, it is saturating with circular table 11
Hole is corresponding up and down.
In embodiment as above, there are object lens 12 and 13 in 5 top of pressure head and 10 lower section of transparency glass plate respectively, facilitate user by upper
Side or lower section are observed, to record the evolution condition of contact surface.
When sample to be tested 9 is opaque or only needs side field of microscope, object lens 13 can be cancelled, only retain object lens
12；Meanwhile transparency glass plate 10 and circular table 11 can be substituted for the supporting element of big rigidity together, without considering downside imaging
Problem.In this embodiment, pressure head 5 should select transparent pressure head, so that the micro objective imaging of upside is normal, to be recorded
The imaging of contact surface.
When sample to be tested 9 is transparent, the part of object lens 12 can also be cancelled, lower section is used only and observes.In this embodiment, nothing
Need to consider pressure head 5 it is transparent whether.At this point, object lens 13 are observed from below, the pattern variation of contact area is recorded.
As can be seen that load is surveyed with dynamometry part, load depth in experiment loading unit provided in an embodiment of the present invention
Amount part, contact surface pattern imaging moiety are mutually indepedent, realize while being loaded, dynamometry, survey actual loaded depth and connect
The function of contacting surface pattern imaging.In conjunction with the control of host computer, a variety of loading method control methods, including control line can also be provided
Property slide unit 2 multi-motion, load is controlled by the variation of force-feedback control contact force, and pass through load depth feedback control
Loading procedure.
Experiment loading unit structure provided in an embodiment of the present invention is simple, manufacture easy to produce, and production cost is low.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (7)
1. a kind of experiment loading device characterized by comprising
Fixed frame；
The Linear slide platform being mounted on the fixed frame is fixed with beam type sensor on the slide unit of the Linear slide platform；
Actuator, the actuator is for driving the slide unit of the Linear slide platform to move along the vertical direction；
Pressure head clamp assemblies, the pressure head clamp assemblies are fixed on the free end of the beam type sensor；
Sample plummer, the sample plummer is connected with microscope slide table top, and the above and or below of sample plummer
Equipped with micro objective.
2. experiment loading unit according to claim 1, which is characterized in that further include:
Reflecting element, the reflecting element are fixed on the pressure head clamp assemblies；
Laser displacement sensor, the laser displacement sensor is located above the reflecting element, for detecting itself and the reflection
The distance between part.
3. experiment loading unit according to claim 2, which is characterized in that the reflecting element is plane mirror.
4. experiment loading unit according to claim 1, which is characterized in that the pressure head clamp assemblies include two side plates
With the screw of two side plates of connection, wherein the first side plate is fixedly connected with the beam type sensor, and described the
Pressure head is accompanied between side plate and the second side plate.
5. experiment loading unit according to claim 4, which is characterized in that the pressure head is transparent pressure head.
6. experiment loading unit according to claim 1, which is characterized in that the sample plummer includes being stacked
Transparency glass plate and circular table, the transparency glass plate are located above, the circular table and the microscope slide table top
It is connected.
7. experiment loading unit according to claim 6, which is characterized in that the micro objective, with the annular table
The open-work in face is corresponding up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910743677.7A CN110346214A (en) | 2019-08-13 | 2019-08-13 | A kind of experiment loading device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910743677.7A CN110346214A (en) | 2019-08-13 | 2019-08-13 | A kind of experiment loading device |
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| CN110346214A true CN110346214A (en) | 2019-10-18 |
Family
ID=68184803
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| CN201910743677.7A Pending CN110346214A (en) | 2019-08-13 | 2019-08-13 | A kind of experiment loading device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113862155A (en) * | 2021-09-24 | 2021-12-31 | 中国科学院力学研究所 | Sample auxiliary device for in-situ microscopic resolution observation of cells under mechanical loading |
| CN113865974A (en) * | 2021-08-20 | 2021-12-31 | 北京航空航天大学 | Experimental platform for observing deformation failure of electrode material under compression/indentation working condition |
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| DE4127116A1 (en) * | 1991-08-16 | 1993-02-18 | Univ Schiller Jena | Optical measurement device for measuring material mechanical properties - processes successive images of contour of beam deflected under measured loads for computation of deformation characteristics |
| CN1587965A (en) * | 2004-08-10 | 2005-03-02 | 东华大学 | Measuringm ethod and device for fiber material transverse compression property |
| JP3182252U (en) * | 2012-12-28 | 2013-03-14 | 独立行政法人産業技術総合研究所 | Mechanical property measurement test equipment |
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| WO2017138582A1 (en) * | 2016-02-12 | 2017-08-17 | 国立研究開発法人産業技術総合研究所 | Indenter transmission type specimen surface observation device and observation method, and program for moving image analysis/device control/characteristic value calculation |
| CN108414378A (en) * | 2017-12-29 | 2018-08-17 | 南方科技大学 | System and method for detecting mechanical property of biological tissue |
| CN210293907U (en) * | 2019-08-13 | 2020-04-10 | 中国科学技术大学 | Experiment loading device |
-
2019
- 2019-08-13 CN CN201910743677.7A patent/CN110346214A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4127116A1 (en) * | 1991-08-16 | 1993-02-18 | Univ Schiller Jena | Optical measurement device for measuring material mechanical properties - processes successive images of contour of beam deflected under measured loads for computation of deformation characteristics |
| CN1587965A (en) * | 2004-08-10 | 2005-03-02 | 东华大学 | Measuringm ethod and device for fiber material transverse compression property |
| JP3182252U (en) * | 2012-12-28 | 2013-03-14 | 独立行政法人産業技術総合研究所 | Mechanical property measurement test equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113865974A (en) * | 2021-08-20 | 2021-12-31 | 北京航空航天大学 | Experimental platform for observing deformation failure of electrode material under compression/indentation working condition |
| CN113865974B (en) * | 2021-08-20 | 2022-11-25 | 北京航空航天大学 | Experimental platform for observing deformation failure of electrode material under compression/indentation working condition |
| CN113862155A (en) * | 2021-09-24 | 2021-12-31 | 中国科学院力学研究所 | Sample auxiliary device for in-situ microscopic resolution observation of cells under mechanical loading |
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