CN206818560U - A kind of self-compaction cement paste rheology testing device - Google Patents
A kind of self-compaction cement paste rheology testing device Download PDFInfo
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- CN206818560U CN206818560U CN201621492682.3U CN201621492682U CN206818560U CN 206818560 U CN206818560 U CN 206818560U CN 201621492682 U CN201621492682 U CN 201621492682U CN 206818560 U CN206818560 U CN 206818560U
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Abstract
It the utility model is related to a kind of self-compaction cement paste rheology testing device, the device is justified mould, divergence test board by cement paste truncated cone, support with adjustable, formed apart from induction system, light sensing system and data analysis system, divergence test board is made up of two layers of smooth glass plate, first layer glass plate front is provided with truncated cone as the center of circle using test board center and justifies mould location graduation line, the back side is provided with the graduation mark of different-diameter using test board center as the center of circle, non-ferrous metal annulus is inlayed on graduation mark, light sensor is provided with below metal ring；Adjustable frames include support base, bolt, spring and nut composition；Distance-sensor and light sensor are connected by dedicated data line with data analyzer.The utility model has the advantages that using apart from induction system and light level system, intelligent, high accuracy and high efficiency test self-compaction pulp flowage duration are realized, while cement paste divergence is accurately read with concentric non-ferrous metal annulus using support with adjustable.
Description
Technical field
A kind of slurries rheological property test equipment is the utility model is related to, refers in particular to a kind of self-compaction cement paste extension
Degree and flowing duration test device.
Background technology
Self-compaction cement paste is that the materials such as cement, fine coal, water and high efficiency water reducing agent are formulated according to special ratios
Slurries, have high fluidity, uniformity and stability, and self-compaction cement paste rheological characteristic has to working performance of self-compacting concrete
Directly affect.Net slurry rheological characteristic is the important measurement index of self-compaction cement paste performance, and generally use divergence and viscosity are come
Characterize.In order to ensure the service behaviour of self-compacting concrete, typically in laboratory and scene to self-compaction cement paste divergence
Detected with indexs such as viscosity.
Detection for self-compaction cement paste rheological characteristic, mainly detected at present using pulp flowage tester
Experiment.Pulp flowage tester mainly justifies mould by truncated cone and glass plate forms.During experiment, truncated cone is justified into the wetting of mould inwall and put
Glass core position is put, the uniform self-compaction cement paste of mix is poured into truncated cone circle mould, self-compaction cement paste is extremely cut
After cone circle mould upper limb flushes, lift truncated cone circle mould, start to use manual time-keeping while truncated cone circle mould lifts, in self-compaction cement
After mortar flowing stops, timing stops, and the time surveyed is the expansion time that self-compaction is starched only, while measures two with ruler
The diameter of vertical direction, average as self-compaction cement paste divergence.The flowing time of self-compaction cement paste is very short,
The artificial method using manual time-keeping, which has truncated cone circle mould and lifted, cement mortar stream stopping time quarter asynchronous with starting timing to be difficult to sentence
Very big error be present with the real flowing duration of net slurry in the problem of disconnected, the flowing duration of test.In test process, test platform without
Method ensures the levelness of glass plate, exists in measurement process caused by many factors such as test board putting position, ruler reading
Measurement error, test accuracy are poor.Based on the above situation, there is an urgent need to a kind of intelligent, high accuracy and high efficiency to test from close
Real cement paste rheology testing device, the device can the incomplete job site of applicable elements and laboratory test platform put down
The not high situation of whole degree, at the same can precision record cement paste flowing duration, to reach simple to operate, high accuracy, high efficiency
Measurement cement paste rheological characteristic.
The content of the invention
The utility model implement purpose be to propose a kind of self-compaction cement paste rheology testing device, utilize institute
State the divergence test board of device, support with adjustable, apart from induction system, light sensing system and data analysis system, can
To the flowing duration of the net slurry of self-compaction and accurately and efficiently record, display and the preservation of divergence, reach intelligent, high-precision
Degree, efficient purpose.To achieve these goals, the utility model adopts the following technical scheme that：A kind of self-compaction cement is net
Rheology testing device is starched, including：
Divergence test board：Including smooth surface glass test board 3, spirit level 9, concentric non-ferrous metal annulus 2 and bottom glass
Plate 6.
Support with adjustable：Including support base 7, the stainless steel bolt 4 for being screwed together in support base, high-performance spring 8 and stainless steel
Nut 5, the levelness of divergence test board is adjusted by rotating nuts
Apart from induction system：Including distance-sensor 14 and sensor data cable 13.
Light sensing system：Including light sensor 10 and sensor data cable 11.
Data analysis system：The signal that distance-sensor 14 and light sensor 10 are collected passes through data wire 13 and 11 respectively
Transmit into data analyzer 12, the flowing duration of slurries is handled signal, recorded by data analyzer.Preferably, water
Cement paste high accuracy V-arrangement funnel measurement apparatus, it is characterised in that：The V-arrangement funnel 7 is net slurry V-arrangement funnel, and time set has
Portability, mobility is strong, and automaticity is high, the advantages that high accuracy, high efficiency.
Preferably, a kind of self-compaction cement paste rheology testing device, it is characterised in that：Described test device can
Between the divergence of accurate measurement self-compaction cement paste simultaneously, net slurry stream stopping time and net slurry reaches the time of particular extension degree,
Measurement apparatus has portability, intelligent, the advantages that high accuracy and high efficiency.
Preferably, the moment is lifted by justifying mould apart from induction system automatic detection truncated cone, as self-compaction cement paste is opened
At the time of beginning to flow.
Preferably, carved by the stream stopping time of light sensing system automatic detection self-compaction cement paste, while detect slurries
Extend to the flowing moment of particular extension degree.
Preferably, divergence test board upper glass plate surface is smooth, and the back side is provided with non-ferrous metal annulus easy to identify, and
The diameter of annulus is indicated between annulus.
Preferably, spirit lever 9 is secured on divergence test board.
Preferably, support with adjustable is provided with high resiliency spring 8 between divergence test board 6 and support base 7, passes through rotation
Spiral shell mesh adjusts the levelness of divergence test board.
Preferably, it is described to identify slurries flowing start time, the identification slurry of light sensing system 10 apart from induction system 14
The liquid stream stopping time carve, the analyze data of data analyzer 12 and show slurries reach particular extension degree flowing duration, stream the stopping time when
Long, the relation function of input flowing duration and slurry viscosity also in data analyzer, data analyzer will show slurries simultaneously
Flowing time and viscosity.
Compared with existing pulp flowage tester detection method, the utility model has the following advantages that：
The self-compaction cement paste rheology testing device that the utility model is related to, it is apart from induction system, light sense
Mutual close fit between system, data analysis system is answered, full-automatic, high accuracy is realized, expeditiously records self-compaction cement
Only the flowing duration starched, the phase interworking for reaching the purpose that duration is flowed when particular extension is spent, support with adjustable and spirit lever
The levelness for ensureing the test board in test process is closed, more diameter concentric non-ferrous metal annulus that test back is set can be real
The accurate reading of existing slurries divergence.
Brief description of the drawings
Fig. 1 is a kind of self-compaction cement paste rheology testing device of the utility model
Fig. 2 is the planar structure schematic diagram of the utility model embodiment bottom plate
Wherein 1- starches truncated cone circle mould, 2- non-ferrous metal annulus, 3- divergence test board top plates, 4- bolts, 5- spiral shell mesh, 6- only
Divergence test board bottom plate, 7- support bases, 8- springs, 9- spirit levers, 10- light sensors, 11- light sensation data wires, 12-
Data analyzer, 13- distance perspectives answer data wire, 14- range sensors, and 15- starches truncated cone circle mould position line only.
Embodiment：
The utility model embodiment is described in detail below in conjunction with the accompanying drawings：
A kind of self-compaction cement paste rheology testing device shown in Fig. 1, Fig. 2, including 1- starch truncated cone circle mould only, and 2- has
Non-ferrous metal annulus, 3- divergence test board top plates, 4- bolts, 5- spiral shell mesh, 6- divergence test board bottom plates, 7- support bases, 8- bullets
Spring, 9- spirit levers, 10- light sensors, 11- light sensation data wires, 12- data analyzers, 13- distance perspectives answer data wire,
14- range sensors, 15- starch truncated cone circle mould position line only.
During work, data analyzer 12 is connected with light sensor 10 and distance-sensor 14, the spiral shell on rotary support
Cap makes the bubble in spirit level be located at peak, and the truncated cone circle mould of inwall wetting then is put in into divergence test board specific bit
Put, range sensor is fixed on truncated cone circle mould outer wall, data analyzer is opened, then continuously pours into self-compaction cement paste
Into truncated cone circle mould 1, until self-compaction cement paste and truncated cone the circle upper port of mould 1 flush rear floating, truncated cone is justified after mould lifts, away from
Lift from inductor automatic detection truncated cone circle mould, data analyzer collection signal simultaneously records the moment, with self-compaction cement paste
Extension, light sensing system transmits slurries and flows to the signal that particular extension degree and final stream stop automatically, and data analyzer is adopted
Collect its signal, stop timing, result of the test shows and stored automatically, while observes self-compaction water by concentric non-ferrous metal annulus
The divergence of cement paste.
The method advantage is that it mutually matches somebody with somebody closely between induction system, light sensing system, data analysis system
Close, realize full-automatic, high accuracy, expeditiously record the flowing duration of self-compaction cement paste, reach when particular extension is spent and flow
The mutual cooperation of the purpose of dynamic duration, support with adjustable and spirit lever ensures the levelness of the test board in test process,
More diameter concentric non-ferrous metal annulus that test back is set can realize the accurate reading of slurries divergence.The principle of device
Simply, can one man operation, realize slurries flowing duration and divergence display, record, analysis and preservation.
It is emphasized that：It the above is only presently preferred embodiments of the present invention, not the present invention made any formal
Limitation, every any simple modification, equivalent change and modification for being made to above example of technical spirit according to the present invention,
In the range of still falling within technical solution of the present invention.
Claims (10)
1. a kind of self-compaction cement paste rheology testing device, the device justifies mould by cement paste truncated cone, divergence is tested
Plate, support with adjustable, apart from induction system, light level system and data analysis system form, it is characterised in that：Including from close
Real cement paste truncated cone justifies mould, and described divergence test board is made up of two layers of smooth glass plate, and the upper glass plate back side is provided with
Different-diameter concentric circles, concentric circles embedded metal annulus are described to be divided into apart from induction system and light level system by special
It is connected with data wire with data analyzer, data analyzer is by analyzing the number transmitted apart from induction system and light level system
According to the flowing duration of accurate record slurries.
A kind of 2. self-compaction cement paste rheology testing device according to claim 1, it is characterised in that：Described
Slurries rheological property refers to slurries divergence and viscosity, and measurement apparatus can detect divergence and the flowing of viscosity characterization parameter simultaneously
Duration.
A kind of 3. self-compaction cement paste rheology testing device according to claim 1, it is characterised in that：Described
Divergence test back is provided with concentric metal annulus, a diameter of 150mm of innermost circle annulus, adjacent rings it is a diameter of
155mm, the spacing between donut is 2.5mm, a diameter of 350mm of outmost turns metal ring.
A kind of 4. self-compaction cement paste rheology testing device according to claim 1, it is characterised in that：Described
Metal ring is less than 0.2mm using non-ferrous metal annulus, non-ferrous metal annulus diameter itself.
A kind of 5. self-compaction cement paste rheology testing device according to claim 1, it is characterised in that：Described
Divergence test board is made up of the glass plate of two layers of smooth surface, and light sensor and levelling tube, light are laid between two glass plates
Line sensor is located under metal ring, and levelling tube is on the inside of four battens of divergence test board.
A kind of 6. self-compaction cement paste rheology testing device according to claim 1, it is characterised in that：Described
Divergence test board corner is provided with adjustable frames, including support base, the stainless steel bolt for being screwed together in support base, high-performance spring
With stainless steel nut, pass through the levelness of rotating nuts regulation divergence test board.
A kind of 7. self-compaction cement paste rheology testing device according to claim 1, it is characterised in that：Described
It is dedicated data line apart from induction system and the signal transmssion line of light sensing system.
A kind of 8. self-compaction cement paste rheology testing device according to claim 1, it is characterised in that：Described
It is separable apart from induction system and truncated cone circle mould.
A kind of 9. self-compaction cement paste rheology testing device according to claim 1, using apart from induction system
In the flowing duration of divergence test board and reach 200~300mm of divergence duration with light sensing system record slurries,
It is characterized in that：It is used to identify that slurries flow start time apart from induction system, light sensing system is used to identify that slurries flow through
Moment, data analyzer are used to receive signal, analyze data and display slurries flowing duration and slurry viscosity.
A kind of 10. self-compaction cement paste rheology testing device according to claim 1, using apart from induction system
Flowing duration of the slurries in divergence test board is recorded with light sensing system, it is characterised in that：Distance perspective answers system data line
The signal transmssion line for having detachable standard interface by multistage with light sensing system signal transmission line is formed by connecting, and realizes signal
The changeability of transmission line length；In addition data analyzer possesses automatic storage and export data function.
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| CN201621492682.3U CN206818560U (en) | 2016-12-30 | 2016-12-30 | A kind of self-compaction cement paste rheology testing device |
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| CN201621492682.3U CN206818560U (en) | 2016-12-30 | 2016-12-30 | A kind of self-compaction cement paste rheology testing device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106769679A (en) * | 2016-12-30 | 2017-05-31 | 清华大学 | A kind of self-compaction cement paste rheology testing device |
| CN108827826A (en) * | 2018-03-12 | 2018-11-16 | 咸阳东方雨虹建筑材料有限公司 | A kind of water paint fluidity measurement device and its measuring method |
| WO2019169956A1 (en) * | 2018-03-07 | 2019-09-12 | 清华大学 | Structured cemented gravel pile and construction method therefor |
-
2016
- 2016-12-30 CN CN201621492682.3U patent/CN206818560U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106769679A (en) * | 2016-12-30 | 2017-05-31 | 清华大学 | A kind of self-compaction cement paste rheology testing device |
| WO2019169956A1 (en) * | 2018-03-07 | 2019-09-12 | 清华大学 | Structured cemented gravel pile and construction method therefor |
| CN108827826A (en) * | 2018-03-12 | 2018-11-16 | 咸阳东方雨虹建筑材料有限公司 | A kind of water paint fluidity measurement device and its measuring method |
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