CN111220503A - Pore grouting slurry flow test device - Google Patents
Pore grouting slurry flow test device Download PDFInfo
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- CN111220503A CN111220503A CN202010291060.9A CN202010291060A CN111220503A CN 111220503 A CN111220503 A CN 111220503A CN 202010291060 A CN202010291060 A CN 202010291060A CN 111220503 A CN111220503 A CN 111220503A
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- electromagnetic coil
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- valve
- valve plate
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- 239000002002 slurry Substances 0.000 title claims abstract description 55
- 238000012360 testing method Methods 0.000 title claims abstract description 26
- 239000011148 porous material Substances 0.000 title claims abstract description 9
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 239000002184 metal Substances 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims description 14
- 238000009529 body temperature measurement Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000001179 sorption measurement Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 239000011440 grout Substances 0.000 description 4
- 239000007769 metal material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013100 final test Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000013441 quality evaluation Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
- G01N11/02—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by measuring flow of the material
- G01N11/04—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by measuring flow of the material through a restricted passage, e.g. tube, aperture
- G01N11/06—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by measuring flow of the material through a restricted passage, e.g. tube, aperture by timing the outflow of a known quantity
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- 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)
- Magnetically Actuated Valves (AREA)
Abstract
The invention relates to a flow test device for grouting slurry in a pore passage, which comprises a timer and a flow cone with a slurry outlet at the bottom, wherein a valve is arranged at the slurry outlet, and the flow test device is characterized in that: the valve comprises an electromagnetic coil which is fixed on the flowing cone and is positioned on the periphery of the slurry outlet, and further comprises a valve plate, the valve plate comprises a metal body which is adsorbed by the electromagnetic coil, the upper end of the valve plate is provided with an annular sealing matching part which is in sealing matching with the slurry outlet, the valve plate is provided with a closing position which is adsorbed by the electromagnetic coil and enables the sealing matching part to be in sealing matching with the slurry outlet and an opening position which is separated from the slurry outlet due to the falling motion from top to bottom after the electromagnetic coil is de-energized, and a timer is in control connection with a power supply circuit of the electromagnetic coil so as to cut off the power supply circuit of the electromagnetic coil. The invention solves the technical problems that the valve is opened asynchronously with timing in the prior art, and the opening process of the valve can influence the flow completion time of slurry.
Description
Technical Field
The invention relates to a pore canal grouting slurry flow test device in the field of test devices.
Background
The performance of the prestressed duct grouting slurry has direct influence on the grouting strength index of a key project in the grouting quality evaluation of the bridge engineering pipeline, the most common, most time-efficient and most operable slurry performance test in a construction site is a post-tensioned prestressed duct grouting fluidity test in appendix C3 of highway bridge construction technical Specification, and the test result plays an important guiding role in the construction quality process control.
The existing pore canal grouting slurry flow test device comprises a funnel-shaped flow cone, as described in a highway bridge and culvert construction technical specification (JTG/T F50-2011) and appendix C3, and a post-tensioned prestressed pore canal grouting slurry fluidity test, wherein an outlet is formed in the bottom of the flow cone, and a valve is arranged at the outlet. During the test, the evenly stirred slurry is poured into a funnel until the surface touches the lower end of a point gauge, which indicates that the volume of the slurry in the funnel reaches a set value (1725 +/-5 ml), then a valve is opened to allow the slurry to freely flow out, and the time when the slurry completely flows out is called the fluidity of the grouting slurry.
The existing slurry flow test device has the problems that when the device is operated, one person opens the valve, one person times, two persons operate respectively, certain personal errors are easy to generate, namely, when the valve is opened, the other person cannot time in time, and the accuracy of final test data is influenced; in addition, in the process of opening the valve by a person, the valve is a process from completely closing the outlet to completely opening the outlet, and in the process, the flow rate at the outlet cannot reach the maximum value, and the time value of the final flow-out of the slurry is also influenced.
Disclosure of Invention
The invention aims to provide a flow test device for grouting slurry in a pore passage, which aims to solve the technical problems that the valve is opened asynchronously with timing and the opening process of the valve influences the time of slurry flow completion in the prior art.
In order to solve the technical problems, the technical scheme of the invention is as follows:
the utility model provides a pipeline mud jacking thick liquid flow test device, has the mobile cone of thick liquid export including time-recorder and bottom, and thick liquid export is provided with valve, its characterized in that: the valve comprises an electromagnetic coil which is fixed on the flowing cone and is positioned on the periphery of the slurry outlet, and further comprises a valve plate, the valve plate comprises a metal body which is adsorbed by the electromagnetic coil, the upper end of the valve plate is provided with an annular sealing matching part which is in sealing matching with the slurry outlet, the valve plate is provided with a closing position which is adsorbed by the electromagnetic coil and enables the sealing matching part to be in sealing matching with the slurry outlet and an opening position which is separated from the slurry outlet due to the falling motion from top to bottom after the electromagnetic coil is de-energized, and a timer is in control connection with a power supply circuit of the electromagnetic coil so as to cut off the power supply circuit of the electromagnetic coil.
The electromagnetic coil is an annular coil with an axis extending in the up-down direction, and the bottom of the annular coil is provided with an annular adsorption part for adsorbing the valve plate.
The timer is a stopwatch, the stopwatch is provided with a first key and a second key, the first key is a second-reading switching key, the second key is a timing start-stop key, a first switch linked with the first key and a second switch linked with the second key are arranged on a power supply circuit of the electric coil, the second key is not pressed, and when the first key is switched to a second-reading interface, the power supply circuit of the electric coil is switched on; when the second key is pressed to the beginning of reading the second, the power supply circuit of the electromagnetic coil is disconnected.
The inside temperature measurement water level gauge that is provided with in the upper end of mobile cone, pore mud jacking thick liquid flow test device still include with temperature measurement water level gauge signal connection's buzzer siren.
The invention has the beneficial effects that: in the invention, the valve plate is provided with a closed position which is adsorbed by the electromagnetic coil to enable the sealing matching part to be in sealing matching with the slurry outlet and an open position which is separated from the slurry outlet by the falling motion from top to bottom after the electromagnetic coil is powered off, the timer is in control connection with the power supply circuit of the electromagnetic coil to cut off the power supply circuit of the electromagnetic coil while timing, when a slurry test is needed, only one operator is needed, the operator operates the timer and simultaneously cuts off the power supply circuit of the electromagnetic coil, the electromagnetic coil does not adsorb the valve plate any more, the valve plate does the falling motion from top to bottom and is separated from the slurry outlet, therefore, the slurry outlet can be opened while timing is started, the two are ensured to be synchronous, in addition, the valve plate opens the slurry outlet by the falling motion from top to bottom, and when the valve plate is separated from the slurry outlet, the slurry outlet can be completely opened, and the technical problem that slurry outflow time is influenced because the slurry outlet is gradually opened and the slurry cannot flow out at full flow in the opening process of the slurry outlet in the prior art is solved.
Drawings
FIG. 1 is a schematic structural view of one embodiment of a tunnel grouting slurry flow test apparatus according to the present invention;
FIG. 2 is a schematic diagram of the power supply circuit for the solenoid of FIG. 1 in cooperation with a stop watch button;
FIG. 3 is a schematic structural view of the shutter of FIG. 1;
fig. 4 is a schematic diagram of the valve and the flow cone matching after the power supply coil in fig. 1 is powered off.
Detailed Description
An embodiment of a device for testing the flow of grouting slurry in a pipeline is shown in figures 1-4: comprising a timer and a flow cone 4 with a slurry outlet 5 at the bottom, the slurry outlet is provided with a valve. The upper end of the flow cone is connected with a temperature measurement water level meter 3 through a fixed support, the lower end of the temperature measurement water level meter extends into the flow cone, and the temperature measurement water level meter is connected with a buzzer alarm in a signal mode. The fixed bolster includes that opening U-shaped card 2 down, and one side threaded connection of U-shaped card has top tight screw 1, and the upper end awl wall that flows the awl can block to the inner chamber of U-shaped card, and through rotatory top tight screw, top tight screw and the upper end awl wall top that flows the awl are tight, can realize the fixed bolster and flow the fixed of awl.
The valve includes that it is fixed in the solenoid 6 that flows 4 lower extremes of awl through the fast-assembling buckle, and 5 outlying loop windings in thick liquid export are located for the cover to solenoid 6, and loop windings's bottom has and is used for adsorbing the annular adsorption part 14 of valve board, solenoid 6's axis extend the setting along upper and lower direction, and solenoid adopts DC: 12V or 24V power supply, the valve still includes valve board 7, valve board 7 is including the shutoff board 8 that is used for shutoff thick liquid export and the metal body 10 that is used for being adsorbed by solenoid, metal body 10 is the annular structure who corresponds with annular adsorption part, the shutoff board is non-metallic material, metal body 10 is fixed in shutoff board 8, be provided with on the shutoff board and be used for the sealed complex annular of export with thick liquid and seal up the cooperation portion, help reducing the weight of valve board like this, non-metallic material also keeps sealed with thick liquid export more easily simultaneously. The shutoff board includes that the middle part epirelief is provided with be used for with thick liquid export location fit's location platform 9, in this embodiment, for reducing the frictional force in location platform and thick liquid export, the location platform is big end down's toper structure, and annular seal cooperation portion is for setting up in the peripheral sealing washer 15 of location platform, and sealing washer 15 is used for the bottom end face seal cooperation with the awl that flows. The valve plate 7 has a closed position which is absorbed by the electromagnetic coil 6 to enable the sealing matching part to be in sealing matching with the grout outlet and an open position (shown in figure 4) which is separated from the grout outlet 5 by falling from top to bottom after the electromagnetic coil 6 is de-energized, and the timer is in control connection with the power supply circuit 13 of the electromagnetic coil 6 to cut off the power supply circuit of the electromagnetic coil 6 at the same time of timing.
The stopwatch is a stopwatch, belongs to the prior art, and comprises a display, a first key 11 and a second key 12, wherein the first key 11 is a second reading switching key, the second key 12 is a timing start-stop key, the first key 11 is pressed to switch the stopwatch to a second reading interface, the second key 12 is pressed for the first time to start timing, the second key 12 is pressed for the second time to stop timing, and timing data are stored in a storage module of the stopwatch.
In this embodiment, the power supply circuit 13 of the electromagnetic coil is a dual-control switch circuit having a first switch K1 and a second switch K2, the first switch K1 is connected to the first button 11, the second switch K2 is connected to the second button 12, a specific switch contact of the first switch K1 is fixed to the first button 11, and a switch contact of the second switch K2 is fixed to the second button 12, as shown in fig. 2, ①, ②, ③ show switch contacts of corresponding switches, when the second button 12 is not pressed and the first button 11 is switched to a second reading interface, the power supply circuit of the electromagnetic coil is turned on, when the second button 12 is pressed to the second reading interface, the power supply circuit of the electromagnetic coil 6 is turned off, when the second button 12 is pressed, the second switch K2 is turned off, the electromagnetic coil 6 is not adsorbed to the shutter plate, the shutter plate 7 completely opens the slurry outlet under the self-gravity and the fluid in the flowing cone, when the second button is completely pressed, the power supply circuit is turned off, and the second switch is turned on at the same time test is facilitated.
During testing, the first key is operated firstly, the stopwatch is adjusted to a second reading interface, the power supply coil is electrified, the valve plate plugs the grout outlet, grout fluid to be tested is poured into the inner cavity of the flow cone after being stirred uniformly, and when the buzzer gives an alarm, the fact that the test volume is reached is indicated, and the pouring of the fluid is stopped. When the second button is pressed down, the second reading starts, the second switch disconnects the power supply circuit of the electromagnetic coil, the electromagnetic coil does not adsorb the valve plate any more, the valve plate does falling motion under the action of self gravity and fluid pressure to instantly and completely open the slurry outlet, when the slurry completely flows out, the second button is pressed down, the timing stops, the second reading data is automatically stored in the stopwatch, and the record is conveniently rechecked.
After the test is finished, the electromagnetic coil is taken down and contained in the containing box, the temperature measurement water level meter is taken down and contained in the containing box for next use, and the phenomenon that the electromagnetic coil is easily damaged in the external environment is avoided.
In other embodiments of the invention: the shutter plate can also be made of metal material completely; the electromagnetic coil can be a plurality of electromagnetic coils which are arranged at intervals along the circumferential direction of the slurry outlet; the first switch and the second switch may be connected to the timer without a mechanical connection, for example, the first switch and the second switch are electric switches, when the first button is pressed, the signal is transmitted to the first switch, the first switch operates, and when the second button is pressed, the signal is transmitted to the second switch, the second switch operates.
Claims (4)
1. The utility model provides a pipeline mud jacking thick liquid flow test device, has the mobile cone of thick liquid export including time-recorder and bottom, and thick liquid export is provided with valve, its characterized in that: the valve comprises an electromagnetic coil which is fixed on the flowing cone and is positioned on the periphery of the slurry outlet, and further comprises a valve plate, the valve plate comprises a metal body which is adsorbed by the electromagnetic coil, the upper end of the valve plate is provided with an annular sealing matching part which is in sealing matching with the slurry outlet, the valve plate is provided with a closing position which is adsorbed by the electromagnetic coil and enables the sealing matching part to be in sealing matching with the slurry outlet and an opening position which is separated from the slurry outlet due to the falling motion from top to bottom after the electromagnetic coil is de-energized, and a timer is in control connection with a power supply circuit of the electromagnetic coil so as to cut off the power supply circuit of the electromagnetic coil.
2. The tunnel-grouting slurry flow device of claim 1, characterized in that: the electromagnetic coil is an annular coil with an axis extending in the up-down direction, and the bottom of the annular coil is provided with an annular adsorption part for adsorbing the valve plate.
3. The tunnel grouting slurry flow test device of claim 1, wherein: the timer is a stopwatch, the stopwatch is provided with a first key and a second key, the first key is a second-reading switching key, the second key is a timing start-stop key, a first switch linked with the first key and a second switch linked with the second key are arranged on a power supply circuit of the electric coil, the second key is not pressed, and when the first key is switched to a second-reading interface, the power supply circuit of the electric coil is switched on; when the second key is pressed to the beginning of reading the second, the power supply circuit of the electromagnetic coil is disconnected.
4. The apparatus for testing flow of grouting slurry for duct according to any one of claims 1 to 3, characterized in that: the inside temperature measurement water level gauge that is provided with in the upper end of mobile cone, pore mud jacking thick liquid flow test device still include with temperature measurement water level gauge signal connection's buzzer siren.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010291060.9A CN111220503A (en) | 2020-04-14 | 2020-04-14 | Pore grouting slurry flow test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010291060.9A CN111220503A (en) | 2020-04-14 | 2020-04-14 | Pore grouting slurry flow test device |
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| Publication Number | Publication Date |
|---|---|
| CN111220503A true CN111220503A (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010291060.9A Pending CN111220503A (en) | 2020-04-14 | 2020-04-14 | Pore grouting slurry flow test device |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6474143B1 (en) * | 2000-09-05 | 2002-11-05 | Dynamic Solutions, Inc. | Automatically monitoring density and viscosity of a liquid |
| CN202339486U (en) * | 2011-11-15 | 2012-07-18 | 宁波瑞能电子科技有限公司 | Key-switch type toaster controller |
| CN203178160U (en) * | 2013-03-18 | 2013-09-04 | 合肥市石川工程机械有限公司 | Fluidity tester for prestressing duct pressing slurry |
| CN106596339A (en) * | 2016-12-21 | 2017-04-26 | 清华大学 | Highly precise V-shaped funnel measurement apparatus of cement paste |
| CN206945478U (en) * | 2017-05-24 | 2018-01-30 | 中科兴创（北京）科技有限公司 | Funnel viscometer |
| CN108918346A (en) * | 2018-07-20 | 2018-11-30 | 苏州市兴邦化学建材有限公司 | A kind of fluidity tester |
| CN208805438U (en) * | 2018-09-26 | 2019-04-30 | 宜昌领兴建筑工程有限公司 | A kind of prestress hole path pressure grouting slurry fluidity detection device |
| CN110231249A (en) * | 2019-07-25 | 2019-09-13 | 中冶建工集团有限公司 | Grouting material fluidity judgment means and judgment method |
| CN211856251U (en) * | 2020-04-14 | 2020-11-03 | 王育非 | Pore grouting slurry flow test device |
-
2020
- 2020-04-14 CN CN202010291060.9A patent/CN111220503A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6474143B1 (en) * | 2000-09-05 | 2002-11-05 | Dynamic Solutions, Inc. | Automatically monitoring density and viscosity of a liquid |
| CN202339486U (en) * | 2011-11-15 | 2012-07-18 | 宁波瑞能电子科技有限公司 | Key-switch type toaster controller |
| CN203178160U (en) * | 2013-03-18 | 2013-09-04 | 合肥市石川工程机械有限公司 | Fluidity tester for prestressing duct pressing slurry |
| CN106596339A (en) * | 2016-12-21 | 2017-04-26 | 清华大学 | Highly precise V-shaped funnel measurement apparatus of cement paste |
| CN206945478U (en) * | 2017-05-24 | 2018-01-30 | 中科兴创（北京）科技有限公司 | Funnel viscometer |
| CN108918346A (en) * | 2018-07-20 | 2018-11-30 | 苏州市兴邦化学建材有限公司 | A kind of fluidity tester |
| CN208805438U (en) * | 2018-09-26 | 2019-04-30 | 宜昌领兴建筑工程有限公司 | A kind of prestress hole path pressure grouting slurry fluidity detection device |
| CN110231249A (en) * | 2019-07-25 | 2019-09-13 | 中冶建工集团有限公司 | Grouting material fluidity judgment means and judgment method |
| CN211856251U (en) * | 2020-04-14 | 2020-11-03 | 王育非 | Pore grouting slurry flow test device |
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Application publication date: 20200602 |