CN106123846A - A kind of device and method testing the sedimentation of aggregate in fill paste - Google Patents
A kind of device and method testing the sedimentation of aggregate in fill paste Download PDFInfo
- Publication number
- CN106123846A CN106123846A CN201610427418.XA CN201610427418A CN106123846A CN 106123846 A CN106123846 A CN 106123846A CN 201610427418 A CN201610427418 A CN 201610427418A CN 106123846 A CN106123846 A CN 106123846A
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- groove
- test
- aggregate
- chip microcomputer
- fill paste
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
Abstract
The invention discloses a kind of device and method testing the sedimentation of aggregate in fill paste.Apparatus of the present invention include organic glass guide channel, resistivity measurement device；It is provided with copper plate electrode in the insulation draw-in groove of lucite groove, electrode converter is connected by wire, electrode converter connects H bridge launching circuit and amplifier, H bridge launching circuit emission current signal, H bridge launching circuit external impressed current sensor, the current pulse signal of transmitting is converted to the voltage signal easily measured by current sensor, then is input to after Signal-regulated kinase in single-chip microcomputer, and voltage signal to be measured is amplified in the input range of single-chip microcomputer by amplifier；Single-chip microcomputer controls H bridge launching circuit by light-coupled isolation driving means, receives the data of single-chip microcomputer by PC computer and processes.The present invention uses the method for resistivity to test the sedimentation of aggregate in fill paste, and method of testing is simple, and test result is the most reliable；Test required time is short, and testing efficiency is high.
Description
Technical field
The present invention relates to a kind of device and method testing the sedimentation of aggregate in fill paste, belong to coal mining filling technique
Field.
Background technology
China's coal-mine " three times " pressure coal is huge, implements filling mining and can improve " three times " pressure coal recovery ratio, and effective guarantee
The safety in production of mine, disposes mining area solid waste simultaneously, reduces and take up an area and alleviate subsidence, reduce village migration, protect
Protect and improve mining area ecological environment, beneficially development of resources and Coordination Development Between Eco-environment.China's railways and water-bodies method form
Various, wherein paste body filling is preferable to controlling ground shift and deformation effect, thus is generally used.
Paste body filling process system is simple, relies on pipeline to realize high-efficiency and continuous conveying, and therefore paste filling material must is fulfilled for
The primary condition of pumpability requirements.For adding the mastic of aggregate it should be further noted that ensure not isolate, no under high pump function
Bleeding, do not settle.In paste filling material, the isolation of aggregate necessarily causes sedimentation, and the sedimentation of aggregate is easily caused pipeline jam accident
Occurring, plugging not only affects being normally carried out of packing job, and can pollute subsurface environment.The sedimentation of aggregate also can affect filling
The intensity of body, weakens control overlying rock and the effect of surface movement and deformation.Therefore, for the mastic prepared, by test
Wherein whether aggregate settles and judges that the height of fill paste quality is particularly important.
Summary of the invention
Test the device and method of aggregate sedimentation in fill paste it is desirable to provide a kind of, solve in fill paste
The mensuration problem of aggregate sedimentation.
The invention provides a kind of device testing the sedimentation of aggregate in fill paste, survey including organic glass guide channel, resistivity
Electricity testing device；
Described lucite groove is rectangular structure, is uniformly provided with several respectively on the vertical centrage in four vertical faces
Insulation draw-in groove, insulation draw-in groove is used for connecting resistivity measurement device；
Described resistivity measurement device includes that copper plate electrode, multicore cable, electrode converter, H bridge launching circuit, light-coupled isolation are driven
Dynamic device, current sensor, signal conditioning circuit, amplifier, single-chip microcomputer, PC computer, power supply, copper plate electrode is welded on organic
In the insulation draw-in groove of glass guide channel, the wire being connected with copper plate electrode is connected electrode conversion through the circular aperture on lucite groove
Device, can test the resistivity of fill paste test piece upper part, middle part, bottom respectively by controlling electrode converter, and electrode is changed
Device connects H bridge launching circuit and amplifier, H bridge launching circuit emission current signal, and H bridge launching circuit external impressed current senses
Device, the current pulse signal of transmitting is converted to the voltage signal easily measured by current sensor, more defeated after Signal-regulated kinase
Entering in single-chip microcomputer, voltage signal to be measured is amplified in the input range of single-chip microcomputer by amplifier；Single-chip microcomputer passes through light-coupled isolation
Driving means controls H bridge launching circuit, and single-chip microcomputer is connected with PC computer, is received the data of single-chip microcomputer by PC computer
And process.
In said apparatus, each vertical plane of lucite groove inwall is respectively equipped with three insulation draw-in grooves, along organic
Have three circular apertures at the upper, middle and lower of the centrage of four vertical planes of glass guide channel, and edge insulator groove center is with circular
Small hole center overlaps.
In said apparatus, four brachium pontis of described H bridge launching circuit by four gate level turn-off thyristor VT1, VT2,
VT3, VT4 form, the HVDC that input current is provided by power supply, and when VT1, the VT3 on diagonal is open-minded, VT2, VT4 close
Time disconnected, output electric current is just；When VT2, VT4 are open-minded, when VT1, VT3 turn off, output electric current is negative, controls four gate electrode capable of switching off
The shutoff of IGCT can be obtained by the square-wave pulse of required alternate positive and negative and launches signal.
Described light-coupled isolation driving means uses the linear optical coupling TLP521-4 of four-way.
Described signal conditioning circuit moves to the zero point of the output signal of current sensor in single-chip microcomputer in ADC range
Point.
The model of described single-chip microcomputer is MSP430F149.
Being provided with hardhead sponge between described copper plate electrode and draw-in groove, described hardhead sponge is boss shape, and through CuSO4Solution soaks
Bubble, has good electric conductivity, when test specimen is placed in lucite groove, it is ensured that copper plate electrode and test specimen are when test
It is fully contacted.
The invention provides a kind of method testing the sedimentation of aggregate in fill paste, by fill paste test piece upper part, in
Portion, the difference condition of lower resistance rate judge whether fill paste aggregate in process of setting settles, and it is specifically pressed
Row step is carried out:
(1) copper plate electrode is welded in the draw-in groove of lucite groove, the wire being connected with copper plate electrode circle in draw-in groove
Aperture picks out, and by CuSO4The hardhead sponge that solution soaking is crossed is stuck between copper plate electrode and draw-in groove；
(2) resistivity measurement device is connected；
(3) the fill paste test specimen prepared is placed in lucite groove；
(4) switch on power, start PC computer, observe the resistivity comparing the top of fill paste test specimen, middle part, bottom, from
And judge whether aggregate settles.
The principle of the present invention: the fill paste after just solidifying is more due to the moisture in pore structure, fill paste
The influence factor of resistivity is mainly pore solution and circulation passage, and circulation passage includes the intercommunicating pore in pore structure and aggregate
Interfacial transition zone loose structure around, aggregate content is the most, and the specific surface area of interfacial transition zone is the biggest, and pore solution is the easiest
In fill paste internal transmission, resistivity value is the lowest.If in the mastic newly mixed and stirred, aggregate does not occur sedimentation i.e. aggregate filling
Being uniformly distributed in filling out mastic, the resistivity value that the fill paste after solidification is surveyed at upper and lower position should be consistent, if aggregate
Settle, the resistivity value that the resistivity value that bottom records records significantly lower than top, by fill paste after solidification
The measurement of diverse location resistivity value, it is judged that whether fill paste settles.
Beneficial effects of the present invention:
(1) present invention uses the method for resistivity to test the sedimentation of aggregate in fill paste, and method of testing is simple, test
Result is the most reliable；
(2) easy to operate, after device installation, only need to pick and place test specimen, software operation can complete to organize the test of test specimen more；
(3) test required time is short, and testing efficiency is high, and a people individually can test multi-group data；
(4) according to resistivity measurement result, can quickly judge whether aggregate settles, and to the raw material type of fill paste and content
Being adjusted, the method and device are applicable to the test to fill paste performance of laboratory and industry spot.
Accompanying drawing explanation
Fig. 1 is the population structure schematic diagram that the present invention tests device；
Fig. 2 is that schematic diagram is arranged in lucite groove inwall side；
Fig. 3 is the circuit diagram of H bridge launching circuit；
In figure: 1 is lucite groove, 2 is circular aperture, and 3 is insulation draw-in groove, and 4 is hardhead sponge, and 5 is copper plate electrode, and 6 is multicore
Cable, 7 is electrode converter, and 8 is H bridge launching circuit, and 9 is light-coupled isolation driving means, and 10 is current sensor, and 11 is signal
Modulate circuit, 12 is amplifier, and 13 is single-chip microcomputer, and 14 is PC computer, and 15 is power supply.
Detailed description of the invention
Further illustrate the present invention below by embodiment, but be not limited to following example.
Embodiment:
As shown in Figure 1 and 2, a kind of test the device that aggregate in fill paste sinks, including organic glass guide channel 1, circular aperture 2, absolutely
Edge draw-in groove 3, hardhead sponge 4, resistivity measurement device；Lucite groove 1 four sides all around are vertically at centrage
On have three circular apertures 2, each face of lucite groove 1 inwall be respectively welded on vertically three insulation draw-in grooves
3；Resistivity measurement device includes that copper plate electrode 5, multicore cable 6, electrode converter 7, H bridge launching circuit 8, light-coupled isolation drive
Device 9, current sensor 10, signal conditioning circuit 11, amplifier 12, single-chip microcomputer 13, PC computer 14, power supply 15, copper sheet electricity
Pole 5 is welded in the insulation draw-in groove 3 of lucite groove 1, and the wire being connected with copper plate electrode 5 is through the circle on lucite groove
Aperture 2 is connected on electrode converter 7, and electrode converter 7 connects H bridge launching circuit 8 and amplifier 12, H bridge launching circuit 8
Emission current signal, H bridge launching circuit 8 external impressed current sensor 10, the current pulse signal of transmitting is turned by current sensor 10
Being changed to the voltage signal easily measured, then be input to after Signal-regulated kinase in single-chip microcomputer 13, voltage to be measured is believed by amplifier 12
Number being amplified in the input range of single-chip microcomputer 13, single-chip microcomputer 13 controls H bridge launching circuit 8 by light-coupled isolation driving means 9,
Single-chip microcomputer 13 connects PC computer 14, and PC computer 14 is used for receiving the data of single-chip microcomputer and processing.
Further illustrate and utilize said apparatus to carry out the method tested, comprise the steps:
1, lucite groove 1 specification is；Long 140mm width 140mm height 110mm, lucite thickness is 10mm, at lucite groove
1 all around four sides height for 20mm, 60mm, 100mm at have three a diameter of 3mm circular apertures 2；Organic
The each face of glass guide channel 1 inwall is respectively welded three insulation draw-in grooves 3 on vertically, insulation draw-in groove 3 specification is: long 40mm width
10mm height 20mm, the height of the center in the vertical direction of insulation draw-in groove 3 is 20mm, 60mm, 100mm；
2, being welded on by copper plate electrode in the draw-in groove of lucite groove, the wire being connected with copper plate electrode picks out from circular aperture,
And by CuSO4The hardhead sponge that solution soaking is crossed is stuck between copper plate electrode and draw-in groove；
3, resistivity measurement device is connected；
4, the long 100mm width 100mm height 100mm fill paste test specimen just having solidified the demoulding is put into organic glass guide channel；
5, switch on power, start PC computer, observe and compare fill paste test piece upper part, middle part, lower resistance rate, determine aggregate
Whether settle；(specifically, by electrode converter, the electrode of position corresponding with its opposite for copper plate electrode is opened, with
Time power and receive resistivity data, after data stabilization to be tested, record result.)
6, close computer and power supply after having tested, take out fill paste test specimen.
Claims (8)
1. test the device of aggregate sedimentation in fill paste for one kind, it is characterised in that: include that organic glass guide channel, resistivity measurement fill
Put；
Described lucite groove is rectangular structure, is uniformly provided with several respectively on the vertical centrage in four vertical faces
Insulation draw-in groove, insulation draw-in groove is used for connecting resistivity measurement device；
Described resistivity measurement device includes that copper plate electrode, multicore cable, electrode converter, H bridge launching circuit, light-coupled isolation are driven
Dynamic device, current sensor, signal conditioning circuit, amplifier, single-chip microcomputer, PC computer, power supply, copper plate electrode is welded on organic
In the insulation draw-in groove of glass guide channel, the wire being connected with copper plate electrode is connected electrode conversion through the circular aperture on lucite groove
Device, electrode converter connects H bridge launching circuit and amplifier, and H bridge launching circuit emission current signal, outside H bridge launching circuit
Connecing current sensor, the current pulse signal of transmitting is converted to the voltage signal easily measured by current sensor, then adjusts through signal
Being input in single-chip microcomputer after reason module, voltage signal to be measured is amplified in the input range of single-chip microcomputer by amplifier；Single-chip microcomputer leads to
Crossing light-coupled isolation driving means to control H bridge launching circuit, single-chip microcomputer is connected with PC computer, receives list by PC computer
The data of sheet machine also process.
The device of aggregate sedimentation in test fill paste the most according to claim 1, it is characterised in that: at lucite groove
Be respectively equipped with on each vertical plane of inwall three insulation draw-in grooves, along four vertical planes of lucite groove centrage upper, in,
Lower place has three circular apertures, and edge insulator groove center and circular aperture center superposition.
The device of aggregate sedimentation in test fill paste the most according to claim 1, it is characterised in that: described H bridge is launched
Four brachium pontis in loop are made up of four gate level turn-off thyristors VT1, VT2, VT3, VT4, and input current is provided by power supply
HVDC, when VT1, the VT3 on diagonal is open-minded, VT2, VT4 turn off time, output electric current be just；When VT2, VT4 are open-minded,
When VT1, VT3 turn off, output electric current be negative, and the shutoff of four gate level turn-off thyristors of control can be obtained by required positive and negative
Alternate square-wave pulse launches signal.
The device of aggregate sedimentation in test fill paste the most according to claim 1, it is characterised in that: described light-coupled isolation
Driving means is to use the linear optical coupling TLP521-4 of four-way.
The device of aggregate sedimentation in test fill paste the most according to claim 1, it is characterised in that: described signal condition
Circuit moves to the midpoint of ADC range in single-chip microcomputer the zero point of the output signal of current sensor.
The device of aggregate sedimentation in test fill paste the most according to claim 1, it is characterised in that: described single-chip microcomputer
Model is MSP430F149.
The device of aggregate sedimentation in test fill paste the most according to claim 1, it is characterised in that: described copper plate electrode
And between draw-in groove, it being provided with hardhead sponge, described hardhead sponge is boss shape, and through CuSO4Solution soaking, has good electric conductivity,
When test specimen is placed in lucite groove, it is ensured that copper plate electrode and test specimen are fully contacted.
8. test a method for aggregate sedimentation in fill paste, use the test filling cream described in any one of claim 1 ~ 7
The device of aggregate sedimentation in body, it is characterised in that: by fill paste test piece upper part, middle part, the difference condition of lower resistance rate
Judge whether fill paste aggregate in process of setting settles, comprise the following steps:
(1) being welded on by copper plate electrode in the draw-in groove of lucite groove, the wire being connected with copper plate electrode passes lucite groove
Inwall picks out, and by CuSO4The hardhead sponge that solution soaking is crossed is stuck between copper plate electrode and draw-in groove；
(2) resistivity measurement device is connected；
(3) the fill paste test specimen prepared is placed in lucite groove；
(4) switch on power, start PC computer, observe and compare the top of fill paste test specimen, middle part, lower resistance rate, thus
Judge whether aggregate settles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610427418.XA CN106123846B (en) | 2016-06-16 | 2016-06-16 | The device and method that aggregate settles in a kind of test fill paste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610427418.XA CN106123846B (en) | 2016-06-16 | 2016-06-16 | The device and method that aggregate settles in a kind of test fill paste |
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| Publication Number | Publication Date |
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| CN106123846A true CN106123846A (en) | 2016-11-16 |
| CN106123846B CN106123846B (en) | 2018-05-15 |
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| CN201610427418.XA Active CN106123846B (en) | 2016-06-16 | 2016-06-16 | The device and method that aggregate settles in a kind of test fill paste |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106872320A (en) * | 2017-03-22 | 2017-06-20 | 太原理工大学 | The apparatus and method of aggregate sedimentation in a kind of test fill paste |
| CN106932319A (en) * | 2017-03-22 | 2017-07-07 | 太原理工大学 | The test device and method of aggregate sedimentation in a kind of fill paste |
| CN106940285A (en) * | 2017-03-22 | 2017-07-11 | 太原理工大学 | The device and method that aggregate is settled in a kind of test fill paste |
| CN109298025A (en) * | 2018-08-28 | 2019-02-01 | 太原理工大学 | The experimental rig and method of paste body filling slurry isolation in a kind of monitoring pipeline |
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| US20120131998A1 (en) * | 2009-06-26 | 2012-05-31 | Marcus Philippus Maria Druyts | Method and Device for Determining a Rheological Transition Level |
| CN102924010A (en) * | 2012-10-19 | 2013-02-13 | 太原理工大学 | Self-compaction filling paste body and preparation process thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106872320A (en) * | 2017-03-22 | 2017-06-20 | 太原理工大学 | The apparatus and method of aggregate sedimentation in a kind of test fill paste |
| CN106932319A (en) * | 2017-03-22 | 2017-07-07 | 太原理工大学 | The test device and method of aggregate sedimentation in a kind of fill paste |
| CN106940285A (en) * | 2017-03-22 | 2017-07-11 | 太原理工大学 | The device and method that aggregate is settled in a kind of test fill paste |
| CN106932319B (en) * | 2017-03-22 | 2019-11-12 | 太原理工大学 | The test device and method of aggregate sedimentation in a kind of fill paste |
| CN109298025A (en) * | 2018-08-28 | 2019-02-01 | 太原理工大学 | The experimental rig and method of paste body filling slurry isolation in a kind of monitoring pipeline |
| CN109298025B (en) * | 2018-08-28 | 2021-03-05 | 太原理工大学 | Test device and method for monitoring segregation of paste filling slurry in pipeline |
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| Publication number | Publication date |
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| CN106123846B (en) | 2018-05-15 |
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