CN106226202A - A kind of for observational record granular materials carrying node configuration and the photoelastic instrument of characteristic - Google Patents
A kind of for observational record granular materials carrying node configuration and the photoelastic instrument of characteristic Download PDFInfo
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- CN106226202A CN106226202A CN201610516956.6A CN201610516956A CN106226202A CN 106226202 A CN106226202 A CN 106226202A CN 201610516956 A CN201610516956 A CN 201610516956A CN 106226202 A CN106226202 A CN 106226202A
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- granule
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- loading system
- node configuration
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to field of precision measurement, the carrying node configuration of a kind of birefringence principle based on light riding chain in Real Time Observation record particle system and the instrument of characteristic.Comprehensive photo-elastic instrument, multidirectional loading system, data collection display system, industry photographic head, granule applier function, observable compression, shearing granular materials, the feature of contact riding chain can be observed intuitively.This equipment is simple to operate, and load mode is various, has displacement, power and photoelastic image viewing, the comprehensive function of integration.
Description
Technical field
The present invention relates to field of precision measurement, specifically, for particles compress and granule shearing test, and by changing
Load mode and be loaded the parameters such as grain diameter, coefficient of friction, observes and records granular materials interior contact in loading procedure
Riding chain distribution and the thin variation characteristic seeing carrying node configuration and particle system riding chain are along with the structure structure of riding chain in shear history
The differentiation of type.
Background technology
Riding chain is the observational technique that reaction particles system stress characteristic is most effective and lossless, by photoelastic systematic observation pressure
Contracting, shearing granular materials, can observe the feature of contact riding chain intuitively.The existing observation in market particle system riding chain at present
The error of test data of the photo-elastic instrument test of carrying architectural feature is big, is difficult to operate many drawbacks, and existing market does not also have
Can realize the power loaded, displacement and photoelastic image viewing instrument.This equipment is simple to operate, and load mode is various, has
By displacement, power and photoelastic image viewing, the comprehensive function of integration.
Summary of the invention
1, a kind of birefringence principle based on light carrying node configuration of riding chain in Real Time Observation record particle system
And the instrument of characteristic.It is characterized in that: include photo-elastic instrument, multidirectional loading system, data collection display system, industry photographic head,
Granule applier；
Wherein, multidirectional loading system before and after photo-elastic instrument between quarter wave plate, the geometric center of the most multidirectional loading system
Overlap with the axis of the geometric center of polaroid.
2, based on a kind of based on light the birefringence principle described in claim 1 in Real Time Observation record particle system
The carrying node configuration of riding chain and the instrument of characteristic, it is characterised in that: multidirectional particle loaded system is by grating scale, tensile force sensing
Device, Biaxial stress system, line slideway and generating laser composition.Wherein grating scale is used for measuring displacement, tensile force induction apparatus
For measuring vertical counter-force and horizontal shear force, Biaxial stress system loads and horizontal addload, laser transmitting system for vertical
For ensureing that the box up and down of loading system retains certain space.
3, based on a kind of based on light the birefringence principle described in claim 1 in Real Time Observation record particle system
The carrying node configuration of riding chain and the instrument of characteristic, it is characterised in that: granule applier is made up of biaxial loadings system, and rotation pushes away
Entering load mode, its access port can be completely combined with the multidirectional loading system in claim 2, it is ensured that granule pushes granule smoothly
In loading system.
4, based on described in claim 1 a kind of for granular materials compression and the assay method of shearing test device.
(1) mainly realized by five steps during compression test:
Step one: the angle of polarized light piece before and after adjustment photo-elastic instrument, it is ensured that the angle of former and later two polarized light pieces is
90°；
Step 2: after granule is put into granule storing instrument according to test requirements document, by granule applier, granule is slow
Push in particle loaded system；
Step 3: open the generating laser in loading system, adjusts the upper end cassette positions of multidirectional loading system, it is ensured that
There is laser to pass through in gap, rotate vertical loading system, make particle system reach certain compaction rate；
Step 4: open photo-elastic instrument screen power supplies, turn-on data collects display system；
Step 5: be compressed, shear or compression shear combination load and observed and recorded particle system in riding chain develop
Image and numerical value.
Accompanying drawing explanation
Fig. 1 is apparatus of the present invention overall structure schematic diagrams；
In figure:
Quarter wave plate before a1-data collection and display system a2-industry photographic head a3-analyzer a4-
Quarter wave plate a7-polarizer a8-light source after multidirectional loading system a6-of a5-
Fig. 2 is apparatus of the present invention granule applier structural representations；
In figure:
B1-swingle b2-load bar b3-box body
Load plate b6-dividing plate after load plate b5-before b4-
Fig. 3 is multidirectional loading system structural representation；
In figure:
1-outer rectangular housing 201-inner upper end rectangular housing 202-interior lower end rectangular housing 301-compression-loaded
System
301a-ball-screw 301b-screw 301c-load plate 301d-load bar
302-shears loading system 401-compression stress induction apparatus 402-and shears pressure pulling force induction apparatus 5-floor
6-RF transmitter 7-grating scale 8-line slideway 9-compresses plate
10-pallet 11-pin hole
Detailed description of the invention
1, a kind of birefringence principle based on light carrying node configuration of riding chain in Real Time Observation record particle system
And the instrument of characteristic.It is characterized in that: include that photo-elastic instrument a3, a4, a6, a7, a8, multidirectional loading system a5, data collection show
System a1, industry photographic head a2, granule applier (Fig. 2)；
Wherein, multidirectional loading system (Fig. 3) is before photo-elastic instrument between quarter wave plate a4 and rear quarter wave plate a6, and it is multidirectional adds
The geometric center of loading system (Fig. 3) overlaps with the axis of the geometric center of polaroid a4, a6.
2, based on a kind of based on light the birefringence principle described in claim 1 in Real Time Observation record particle system
The carrying node configuration of riding chain and the instrument of characteristic, it is characterised in that: multidirectional particle loaded system is sensed by grating 7, tensile force
Device 401,402, Biaxial stress system 301,302, line slideway 8 and generating laser 6 form.Wherein grating scale 7 is used for measuring position
Moving, tensile force induction apparatus 401,402 is used for measuring vertical counter-force and horizontal shear force, and Biaxial stress system 301,302 is used for erecting
To loading and horizontal addload, laser transmitting system 6 retains certain space for the box up and down ensureing loading system.
3, based on a kind of based on light the birefringence principle described in claim 1 in Real Time Observation record particle system
The carrying node configuration of riding chain and the instrument of characteristic, it is characterised in that: granule applier is made up of multidirectional loading system (Fig. 3),
Rotating and advance load mode, its access port b3 can be completely combined with multidirectional loading system a5 in claim 2, it is ensured that granule is suitable
Profit pushes in particle loaded system (Fig. 3) system.
4, based on described in claim 1 a kind of for granular materials compression and the assay method of shearing test device.
(1) mainly realized by five steps during compression test:
Step one: adjust the angle of the front quarter wave plate a4 and rear quarter wave plate a6 of photo-elastic instrument, it is ensured that former and later two quarter wave plates
Angle be 90 °；
Step 2: after granule is put into granule storing instrument (Fig. 2) according to test requirements document, by granule applier by granule
It is slowly pushed in particle loaded system (Fig. 3)；
Step 3: open the generating laser 6 in loading system, adjusts the upper end box 201,202 of multidirectional loading system
Position, it is ensured that have laser to pass through in gap, rotates vertical loading system 301, makes particle system reach certain compaction rate；
Step 4: open photo-elastic instrument screen power supplies, turn-on data collects display system a1；
Step 5: be compressed, shear or compression shear combination load and observed and recorded particle system in riding chain develop
Image and numerical value.
Claims (4)
1. the carrying node configuration of a birefringence principle based on light riding chain in Real Time Observation record particle system and spy
The instrument of property.It is characterized in that: include photo-elastic instrument, multidirectional loading system, data collection display system, industry photographic head, granule
Applier；
Wherein, multidirectional loading system between photo-elastic instrument two polaroid, the geometric center of its center, granule storehouse and polaroid
Axis overlaps.
2. based on the riding chain in Real Time Observation record particle system of a kind of based on light the birefringence principle described in claim 1
Carrying node configuration and the instrument of characteristic, it is characterised in that: multidirectional particle loaded system by grating scale, tensile force induction apparatus,
Biaxial stress system, line slideway and generating laser composition.Wherein grating scale is used for measuring displacement, and tensile force induction apparatus is used for
Measuring vertical counter-force and horizontal shear force, Biaxial stress system loads and horizontal addload for vertical, and laser transmitting system is used for
Ensure that the box up and down of loading system retains certain space.
3. based on the riding chain in Real Time Observation record particle system of a kind of based on light the birefringence principle described in claim 1
Carrying node configuration and the instrument of characteristic, it is characterised in that: granule applier is made up of biaxial loadings system, rotates propelling and adds
Load mode, its access port can be completely combined with the multidirectional loading system in claim 2, it is ensured that granule pushes particle loaded smoothly
In system.
4. based on described in claim 1 a kind of for granular materials compression and the assay method of shearing test device.
(1) mainly realized by five steps during compression test:
Step one: the angle of polarized light piece before and after adjustment photo-elastic instrument, it is ensured that the angle of former and later two polarized light pieces is 90 °；
Step 2: after granule is put into granule storing instrument according to test requirements document, by granule applier, granule is slowly pushed into
In particle loaded system；
Step 3: open the generating laser in loading system, adjusts the upper end cassette positions of multidirectional loading system, it is ensured that gap
Inside there is laser to pass through, rotate vertical loading system, make particle system reach certain compaction rate；
Step 4: open photo-elastic instrument screen power supplies, data collection display system；
Step 5: be compressed, shear or compression shear combination load and observed and recorded particle system in riding chain evolution picture
And numerical value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610516956.6A CN106226202A (en) | 2016-07-04 | 2016-07-04 | A kind of for observational record granular materials carrying node configuration and the photoelastic instrument of characteristic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610516956.6A CN106226202A (en) | 2016-07-04 | 2016-07-04 | A kind of for observational record granular materials carrying node configuration and the photoelastic instrument of characteristic |
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| CN106226202A true CN106226202A (en) | 2016-12-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110208080A (en) * | 2019-06-21 | 2019-09-06 | 华东交通大学 | A kind of granular materials contact stress Visualization loading equipemtn and its application method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103630441A (en) * | 2013-11-21 | 2014-03-12 | 华南理工大学 | Visualization testing method and device for granular material mechanics experiment |
| CN103698062A (en) * | 2013-10-18 | 2014-04-02 | 中山大学 | Novel photoelastic testing method for inhomogeneous medium |
| CN104897459A (en) * | 2015-06-23 | 2015-09-09 | 北京航空航天大学 | Multidirectional loading system used for mechanical test of particles |
-
2016
- 2016-07-04 CN CN201610516956.6A patent/CN106226202A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698062A (en) * | 2013-10-18 | 2014-04-02 | 中山大学 | Novel photoelastic testing method for inhomogeneous medium |
| CN103630441A (en) * | 2013-11-21 | 2014-03-12 | 华南理工大学 | Visualization testing method and device for granular material mechanics experiment |
| CN104897459A (en) * | 2015-06-23 | 2015-09-09 | 北京航空航天大学 | Multidirectional loading system used for mechanical test of particles |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110208080A (en) * | 2019-06-21 | 2019-09-06 | 华东交通大学 | A kind of granular materials contact stress Visualization loading equipemtn and its application method |
| CN110208080B (en) * | 2019-06-21 | 2021-08-13 | 华东交通大学 | Particle material contact stress visual test loading equipment and use method thereof |
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Application publication date: 20161214 |