CN203684110U - Intelligent vacuum circulation slurry pressing system - Google Patents
Intelligent vacuum circulation slurry pressing system Download PDFInfo
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- CN203684110U CN203684110U CN201420040522.XU CN201420040522U CN203684110U CN 203684110 U CN203684110 U CN 203684110U CN 201420040522 U CN201420040522 U CN 201420040522U CN 203684110 U CN203684110 U CN 203684110U
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- 239000002002 slurry Substances 0.000 title claims abstract description 51
- 230000004087 circulation Effects 0.000 title claims abstract description 23
- 239000004568 cement Substances 0.000 claims description 17
- 239000011440 grout Substances 0.000 claims description 14
- 238000005303 weighing Methods 0.000 claims description 14
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 230000008676 import Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 10
- 238000010276 construction Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 239000011230 binding agent Substances 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 description 6
- 210000002966 serum Anatomy 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005429 filling process Methods 0.000 description 2
- 239000008267 milk Substances 0.000 description 2
- 210000004080 milk Anatomy 0.000 description 2
- 235000013336 milk Nutrition 0.000 description 2
- 238000004537 pulping Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000011268 mixed slurry Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 230000001839 systemic circulation Effects 0.000 description 1
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Abstract
The utility model provides an intelligent vacuum circulation slurry pressing system which comprises a slurry making machine with an automatic feeding device, a grouting machine with a density collecting device, a vacuumizing device, a pre-stressed beam and a controller. The slurry making machine is communicated with the grouting machine, the grouting machine is respectively communicated with a slurry inlet and a slurry returning opening of the pre-stressed beam, the vacuumizing device is arranged between the grouting machine and the slurry returning opening of the pre-stressed beam, and the vacuumizing device and the like are all connected with the controller. By means of the technical scheme, the overall structure is simplified; vacuum assisting slurry pressing is adopted, and the grouting quality is guaranteed while the working efficiency is improved; the water-binder ratio, timing slurry making and the like can be accurately controlled through the slurry making machine, and qualified slurry is provided for follow-up slurry pressing; the grouting machine can guarantee that the slurry density can be accurately monitored in real time; the vacuumizing device and the like are all connected with the controller, intelligent operation is achieved in the whole construction process, operation is simple and reliable, and the slurry pressing efficiency is improved.
Description
Technical field
The utility model relates to bridge prestress grouting technique field, especially, relates to a kind of intelligent vacuum circulation mud jacking system.
Background technology
The grouting of tradition mud jacking, is under the pressure of 0.5～1.0MPa, and mixed slurry is pressed into prestressed pore passage, and technique is fairly simple, and for example in bridge construction process, the cement paste preparing is injected into Liang Tizhong by the grout hole by beam body; Ground to building is in the milk, to ensure that ground is firm; Bridge tunnel beam body pipeline is in the milk, to guarantee beam body durability; Guarantee slurries grouting in grouting works time, pressure and slurries quality are the important means that ensures grouting works quality.And in engineering construction at present, the overwhelming majority still adopts single hole mud jacking, its composition comprises pulping equipment, grout pump, mechanical pressure gauge and pipeline.This technology human factor is occupied an leading position, poor controllability, cannot carry out effectively metering and cause slurries effect to be difficult to meet bridge specification adding water quality and the quality that feeds intake, cannot grouting pressure in mud jacking process and slurries water-cement ratio carry out Real-Time Monitoring and cannot guarantee the quality of grouting works.Tradition is exerted pressure slurry because beam body inside exists air, easily produces bubble after mud jacking completes.In addition, in construction, easily there is mixture segregation, bleed and dry and shrink, owing to there is the phenomenon such as bleed and dry contraction, cause in duct prestress wire and works adhesion strength inadequate, after slurry solidifies, leave space.
The weak point of existing mud jacking system is as follows: (1) pulping equipment is simple, and automaticity is low, poor controllability, thus can not accurately control slurries water-cement ratio well can not guarantee slurries quality; (2) pressure controling precision of grout pump is low, can not guarantee grouting pressure stability; (3) mechanical pressure gauge human error is larger, random strong; (4) take single hole mud jacking, can not guarantee grout hole serum density; (5) can not carry out Real-Time Monitoring to slurries pressure and quality, in whole work progress, not there is environmental protection, energy-conservation and practical purpose; (6) before mud jacking, beam body inner air is not got rid of easy generation bubble after mud jacking completes.
Therefore, invent that a kind of structure is simplified, safety easy to use and the good mud jacking system tool of grouting result have very important significance.
Utility model content
The utility model object is to provide that structure is simplified, safety easy to use and the good intelligent vacuum circulation mud jacking system of grouting result, and concrete technical scheme is as follows:
A kind of intelligent vacuum circulation mud jacking system, comprises with the pulper of automatic charging device, grouting machine, vacuum extractor, prestressed girder body and controller with density harvester;
Between described pulper and described grouting machine, be provided with reversal valve, described pulper is communicated with described reversal valve by centrifugal pump;
Grout pump on described grouting machine is communicated with the stock inlet of described prestressed girder body by outlet pipe, between described grouting machine and described outlet pipe, is provided with pressure regulating overflow valve; Described grouting machine is communicated with the pulp returning port of described prestressed girder body by feed pipe and three way cock successively, the import of described three way cock is communicated with the pulp returning port of described prestressed girder body, its first outlet is communicated with described feed pipe, and its second outlet is communicated with described vacuum extractor; Described feed pipe is provided with and returns slurry pressure regulator valve;
Described automatic charging device, density harvester, reversal valve, centrifugal pump, grout pump, pressure regulating overflow valve, three way cock, vacuum extractor and return slurry pressure regulator valve be all connected with described controller.
Preferred in above technical scheme, described vacuum extractor comprises vacuum pump and hollow transparent pipeline, and the second outlet of described three way cock is connected with described vacuum pump by described hollow transparent pipeline; The vacuum of described vacuum pump is-0.1MPa-0.1MPa.
Preferred in above technical scheme, described automatic charging device comprises at least two screw feeding machines and weighing device, described screw feeding machine is connected with the import of the cement slurry preparing barrel of described pulper, described weighing device be arranged on described cement slurry preparing barrel under, described screw feeding machine and weighing device are all connected with described controller.
Preferred in above technical scheme, described weighing device is LOAD CELLS.
Preferred in above technical scheme, the inside of described prestressed girder body is provided with first passage and second channel, one end of described first passage is communicated with the pulp returning port of described prestressed girder body, the other end is communicated with one end of described second channel by pressure piping, and the other end of described second channel is communicated with the stock inlet of described prestressed girder body.
Preferred in above technical scheme, pulp returning port and the stock inlet of described prestressed girder body are equipped with ball valve, and described ball valve is connected with described controller.
Preferred in above technical scheme, described density harvester is gradiomanometer.
Preferred in above technical scheme, described controller is PLC controller, preferably Wi-Fi programmable logic controller.
The utlity model has following beneficial effect:
(1) intelligent vacuum circulation mud jacking system of the present utility model comprises pulper, grouting machine, vacuum extractor, prestressed girder body and the several parts of controller, and overall structure is simplified; Take vacuum aid grouting, the air that can extract in advance beam body inside forms a vacuum environment, has guaranteed grouting quality when having improved operating efficiency; Pulper, with automatic charging device, can be realized and accurately control water-cement ratio, timing slurrying etc., for follow-up mud jacking provides qualified slurries; Grouting machine, with density harvester, can be guaranteed accurately serum density to be carried out to Real-Time Monitoring; Automatic charging device, density harvester, vacuum extractor etc. are all connected with controller, whole work progress is realized intellectualized operation, and operation is simple and reliable, has avoided the interference of human factor, guarantee that the automation of filling process, with intelligent, improves mud jacking efficiency.
(2) in the utility model, vacuum extractor comprises vacuum pump and hollow transparent pipeline, the vacuum of vacuum pump is-0.1MPa-0.1MPa, in mud jacking process, be easy to the control time, also make mud jacking result meet the relevant regulations of " vacuum should be stabilized within the scope of-0.06～-0.10MPa " in JTGT F50-2011 highway bridge and culvert construction technique normalizing 7.9.9 bar simultaneously.
(3) in the utility model, automatic charging device comprises at least two screw feeding machines and weighing device, can realize automatic charging and the accurate control amount to raw material; Weighing device is LOAD CELLS, and accuracy is high.
(4) in the utility model, the inside of prestressed girder body is provided with first passage and second channel, adopts diplopore cycle grouting mode, constantly mix with the new slurries in agitator from the slurries that reflux in hole, and the temperature of reduction loop slurry, guarantee pours into the quality of slurries.
(5) in the utility model, the pulp returning port of prestressed girder body and stock inlet are equipped with ball valve, pin beam body internal pressure by the switch of ball valve, improve squeezing quality.
(6) in the utility model, density harvester adopts gradiomanometer, and instrument precision is high, with the combination of pressure regulator valve, can realize Real-Time Monitoring serum density and pressure, thereby has ensured the quality of grouting, improves the quality of grouting works; Controller adopts PLC controller, preferably utilizes the PLC controller of Wi-Fi communication, is convenient to control sequence of movement and time between each parts, easy to operate, practical.
Except object described above, feature and advantage, the utility model also has other object, feature and advantage.Below with reference to figure, the utility model is described in further detail.
Brief description of the drawings
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structured flowchart of the intelligent vacuum circulation mud jacking system of the utility model preferred embodiment 1;
Fig. 2 is the structural representation of prestressed girder body in Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can limit and cover according to claim is implemented.
Embodiment 1:
A kind of intelligent vacuum circulation mud jacking system, refers to Fig. 1, specifically comprises pulper 1, grouting machine 2, vacuum extractor 3, prestressed girder body 4 and controller (not shown), and overall structure is simplified.
Described pulper 1 is with automatic charging device, described automatic charging device comprises at least two screw feeding machines and weighing device, described screw feeding machine is connected with the import of the cement slurry preparing barrel of described pulper 1, described weighing device be arranged on described cement slurry preparing barrel under, described screw feeding machine and weighing device are all connected with described controller; Described weighing device is LOAD CELLS, can realize automatic charging and the accurate control amount to raw material, and accuracy is high.
Described grouting machine 2 is with density harvester, and described density harvester is gradiomanometer, and accuracy is high.
Described prestressed girder body 4 is provided with stock inlet 41 and pulp returning port 42, its inside is provided with first passage 43 and second channel 44, one end of described first passage 43 is communicated with the pulp returning port 42 of described prestressed girder body 4, the other end is communicated with one end of described second channel 44 by pressure piping 45, the other end of described second channel 44 is communicated with the stock inlet 41 of described prestressed girder body 4, on described pulp returning port 42 and stock inlet 41 places and described pressure piping 45, be equipped with ball valve, described ball valve is connected with described controller, pin beam body internal pressure by the switch of ball valve, improve squeezing quality.
Described vacuum extractor 3 comprises vacuum pump 31 and hollow transparent pipeline 32, and the vacuum of described vacuum pump 31 is-0.1MPa-0.1MPa.
Between described pulper 1 and described grouting machine 2, be provided with reversal valve 11, described pulper 1 is communicated with described reversal valve 11 by centrifugal pump 12.
Described automatic charging device, density harvester, reversal valve 11, centrifugal pump 12, grout pump 21, pressure regulating overflow valve 23, three way cock 25, vacuum extractor 3 and return slurry pressure regulator valve 26 be all connected with controller, described controller is the PLC controller that adopts Wi-Fi communication, convenient control, practical.
In the utility model, adopt the combination of density harvester and pressure-detecting device, can realize Real-Time Monitoring serum density and pressure, thereby ensured the quality of grouting, improve the quality of grouting works; Adopt PLC to control, be convenient to automatic charging device, density harvester, reversal valve 11, centrifugal pump 12, grout pump 21, pressure regulating overflow valve 23, three way cock 25, vacuum extractor 3 and return slurry pressure regulator valve 26 sequence of movement and time control, control procedure can adopt Wi-Fi communication modes, handled easily, improves squeezing quality and efficiency.
It is as follows that the work of the utility model intelligent vacuum circulation mud jacking system has process:
The first step: pulper 1 Automatic pulp making: it is that 0.27(GB is 0.26-0.28 that start sets water-cement ratio), set the regularly 5 minutes time of slurrying; Start Automatic pulp making button and carry out slurrying, wherein screw feeding machine adds water, Admixture and cement automatically successively, LOAD CELLS has weighed weight (the high speed bucket startup after having added water in pulper of water, Admixture and cement successively, form inner loop, start to add Admixture and cement), wherein cement: Admixture: the ratio that water is 100:10:29.7;
Second step: be three way cock by a band reversal valve 11(between pulper 1 and grouting machine 2) high-voltage tube conducting, by opening reversal valve 11, pulper 1 uses the centrifugal pump 12 carrying the slurries that make in step 1 to be transported in the slurry storing tank of grouting machine 2;
The 3rd step: grouting machine 2 is communicated with the stock inlet 41 of prestressed girder body 4 through outlet pipe 22 by grout pump 21, between the slurry storing tank of pulp returning port 42, vacuum pump 31, densometer and the grouting machine 2 of prestressed girder body 4, be interconnected by feed pipe 24, form systemic circulation grouting loop;
The 4th step: close the ball valve of the stock inlet 41 of prestressed girder body 4, open the ball valve of the pulp returning port 42 of prestressed girder body 4, the switch spanner of three way cock 25 is to being communicated with vacuum pump 31; The unlatching vacuum pump 31 be evacuated to-0.06-0.1MPa(retention time can arrange according to actual requirement), start grout pump 21, make slurries be full of outlet pipe 22; Stop grout pump 21, be communicated with the stock inlet 41 of outlet pipe 22 and prestressed girder body 4; Open the ball valve of the stock inlet 41 of prestressed girder body 4, start and start grouting;
The 5th step: observe the hollow transparent pipeline 32 that is connected with vacuum pump 31, until slurries are while arriving hollow transparent pipeline 32, the switch spanner of three way cock 25, to the pulp returning port 42 that is communicated with prestressed girder body 4, is closed vacuum pump 31; Start the mud jacking that circulates.
Wherein, after circulation mud jacking starts, circulation 2～5min(can arrange circulation timei), the density that detects the pulp returning port 42 of prestressed girder body 4 reaches acceptance value (in the slurries of 2.13～2.18g/cm3, corresponding water-cement ratio is 0.26～0.28); Start to regulate pressure, pressure is adjusted to the goal pressure (goal pressure can arrange according to the actual requirements) of 0.5～0.7MPa, and keeps 3～5 minutes; After pressure hold time completes, close the stock inlet 41 of prestressed girder body 4 and the ball valve of pulp returning port 42, stop mud jacking.
Apply intelligent vacuum circulation mud jacking system of the present utility model, whole system comprises pulper, grouting machine, vacuum extractor, prestressed girder body and the several parts of controller, and overall structure is simplified; Take vacuum aid grouting, the air that can extract in advance beam body inside forms a vacuum environment, has guaranteed grouting quality when having improved operating efficiency; Pulper, with automatic charging device, can be realized and accurately control water-cement ratio, timing slurrying etc., for follow-up mud jacking technique provides good guarantee; Grouting machine, with density harvester, can be guaranteed accurately serum density to be carried out to Real-Time Monitoring; Automatic charging device, density harvester, vacuum extractor etc. are all connected with controller, whole work progress is realized intellectualized operation, and operation is simple and reliable, has avoided the interference of human factor, guarantee that the automation of filling process, with intelligent, improves mud jacking efficiency; Adopt diplopore cycle grouting mode, constantly mix with the new slurries in agitator from the slurries that reflux in hole, the temperature of reduction loop slurry, guarantee pours into the quality of slurries.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. an intelligent vacuum circulation mud jacking system, is characterized in that: comprise the pulper (1) with automatic charging device, grouting machine (2), vacuum extractor (3), prestressed girder body (4) and the controller with density harvester;
Between described pulper (1) and described grouting machine (2), be provided with reversal valve (11), described pulper (1) is communicated with described reversal valve (11) by centrifugal pump (12);
Grout pump (21) on described grouting machine (2) is communicated with the stock inlet (41) of described prestressed girder body (4) by outlet pipe (22), between described grouting machine (2) and described outlet pipe (22), is provided with pressure regulating overflow valve (23); Described grouting machine (2) is communicated with the pulp returning port (42) of described prestressed girder body (4) by feed pipe (24) and three way cock (25) successively, the import (251) of described three way cock (25) is communicated with the pulp returning port (42) of described prestressed girder body (4), its first outlet (252) is communicated with described feed pipe (24), and its second outlet (253) is communicated with described vacuum extractor (3); Described feed pipe (24) is provided with and returns slurry pressure regulator valve (26);
Described automatic charging device, density harvester, reversal valve (11), centrifugal pump (12), grout pump (21), pressure regulating overflow valve (23), three way cock (25), vacuum extractor (3) and return slurry pressure regulator valve (26) be all connected with described controller.
2. intelligent vacuum circulation mud jacking system according to claim 1, it is characterized in that: described vacuum extractor (3) comprises vacuum pump (31) and hollow transparent pipeline (32), the second outlet (253) of described three way cock (25) is connected with described vacuum pump (31) by described hollow transparent pipeline (32); The vacuum of described vacuum pump (31) is-0.1MPa-0.1MPa.
3. intelligent vacuum circulation mud jacking system according to claim 1, be characterised in that: described automatic charging device comprises at least two screw feeding machines and weighing device, described screw feeding machine is connected with the import of the cement slurry preparing barrel of described pulper (1), described weighing device be arranged on described cement slurry preparing barrel under, described screw feeding machine and weighing device are all connected with controller.
4. intelligent vacuum circulation mud jacking system according to claim 3, is characterized in that: described weighing device is LOAD CELLS.
5. according to the intelligent vacuum circulation mud jacking system described in claim 1-4 any one, it is characterized in that: the inside of described prestressed girder body (4) is provided with first passage (43) and second channel (44), one end of described first passage (43) is communicated with the pulp returning port (42) of described prestressed girder body (4), the other end is communicated with one end of described second channel (44) by pressure piping (45), and the other end of described second channel (44) is communicated with the stock inlet (41) of described prestressed girder body (4).
6. intelligent vacuum circulation mud jacking system according to claim 5, is characterized in that: pulp returning port (42) and the stock inlet (41) of described prestressed girder body (4) locate to be equipped with ball valve, and described ball valve is connected with described controller.
7. intelligent vacuum circulation mud jacking system according to claim 1, is characterized in that: described density harvester is gradiomanometer.
8. intelligent vacuum circulation mud jacking system according to claim 1, is characterized in that: described controller is PLC controller.
9. intelligent vacuum circulation mud jacking system according to claim 8, is characterized in that: described PLC controller is Wi-Fi programmable logic controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420040522.XU CN203684110U (en) | 2014-01-22 | 2014-01-22 | Intelligent vacuum circulation slurry pressing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420040522.XU CN203684110U (en) | 2014-01-22 | 2014-01-22 | Intelligent vacuum circulation slurry pressing system |
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| CN203684110U true CN203684110U (en) | 2014-07-02 |
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| CN201420040522.XU Expired - Fee Related CN203684110U (en) | 2014-01-22 | 2014-01-22 | Intelligent vacuum circulation slurry pressing system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758043A (en) * | 2014-01-22 | 2014-04-30 | 湖南联智桥隧技术有限公司 | Intelligent vacuum circulating grouting system |
| CN105002826A (en) * | 2015-06-30 | 2015-10-28 | 中铁二十三局集团有限公司 | Intelligent mud jacking system for magnetic levitation track beam |
| CN105603876A (en) * | 2015-12-24 | 2016-05-25 | 中国铁路总公司 | Dynamic real-time monitoring method for concrete bridge prestressed tendon tensioning force and special prestress construction system |
| CN106638317A (en) * | 2016-11-25 | 2017-05-10 | 柳州市邱姆预应力机械有限公司 | Intelligent large grouting equipment |
-
2014
- 2014-01-22 CN CN201420040522.XU patent/CN203684110U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758043A (en) * | 2014-01-22 | 2014-04-30 | 湖南联智桥隧技术有限公司 | Intelligent vacuum circulating grouting system |
| CN105002826A (en) * | 2015-06-30 | 2015-10-28 | 中铁二十三局集团有限公司 | Intelligent mud jacking system for magnetic levitation track beam |
| CN105603876A (en) * | 2015-12-24 | 2016-05-25 | 中国铁路总公司 | Dynamic real-time monitoring method for concrete bridge prestressed tendon tensioning force and special prestress construction system |
| CN106638317A (en) * | 2016-11-25 | 2017-05-10 | 柳州市邱姆预应力机械有限公司 | Intelligent large grouting equipment |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 410200 No.168, Section 2, Yanhe Road, Wangcheng Economic Development Zone, Changsha City, Hunan Province Patentee after: Hunan Lianzhi Technology Co.,Ltd. Patentee after: GUANGXI GUIDONG EXPRESSWAY Co.,Ltd. Address before: 410019 Yanhe Road, Wangcheng Economic Development Zone, Changsha City, Hunan Province Patentee before: HUNAN LIANZHI BRIDGE AND TUNNEL TECHNOLOGY Co.,Ltd. Patentee before: GUANGXI GUIDONG EXPRESSWAY Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 |