CN103711316A - Control method of intelligent pulping and grouting system - Google Patents
Control method of intelligent pulping and grouting system Download PDFInfo
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- CN103711316A CN103711316A CN201310690974.2A CN201310690974A CN103711316A CN 103711316 A CN103711316 A CN 103711316A CN 201310690974 A CN201310690974 A CN 201310690974A CN 103711316 A CN103711316 A CN 103711316A
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Abstract
A control method of an intelligent pulping and grouting system includes a weighting step, a step of setting weights of water, auxiliary material and main material, a step of controlling adding the water, auxiliary material and main material, a step of controlling the high speed stirring time, and a step of controlling the low speed stirring time; setting standard low speed stirring time; when the low speed stirring time is equal to the standard low speed stirring time, allowing a control center to sending signals for stopping low speed stirring; an automatic grouting step; when the pressure maintaining time reaches a standard value of the constant pressure time, allowing the control center to store grouting data automatically and generate grouting trend curves automatically. The control method has the advantages that pressure can be controlled accurately, gas in pipelines can be exhausted thoroughly, filling and compaction of grouting can be guaranteed, the whole grouting process is controlled through the computer control center, loading is performed automatically according to the preset proportion, pulping and grouting are performed automatically, and grouting data are recorded automatically.
Description
Technical field
The present invention relates to Construction of Civil Engineering equipment and technical field, the control method of the intelligent slurrying mud jacking system that particularly a kind of prestress engineering is used.
Background technology
Hole path pressure grouting is one of most important operation of post-tensioned concrete structure, whether mud jacking is full closely knit, rigidity on the burn into loss of prestress of presstressed reinforcing steel, prestressed member has conclusive impact, directly has influence on safety and the durability of prestressed reinforced concrete construction.Traditional pumping of prostressed duct method is that manual operation is controlled, and has many drawbacks: the uncontrollable mud jacking that causes of (1) pressure is not full closely knit; (2) prestress pipe exhaust does not thoroughly cause mud jacking not full closely knit; (3) artificial weighing and burden, manual record data, human factor uncontrollable (4) labor workload is large.
Summary of the invention
Object of the present invention be just to provide the accurate controlled pressure of a kind of energy, pipeline air exhaust water thoroughly, guarantee the control method of the full closely knit intelligent pulping system mud jacking of mud jacking, the method can realize by computer controlling center and control slurrying mud jacking process, automatically according to the match ratio material loading of setting, Automatic pulp making, automatically mud jacking, records mud jacking data automatically.
Solution of the present invention is such:
The present invention includes step:
(1) step of weighing: adopt LOAD CELLS to carry out Real-Time Monitoring to the weight of high-speed stirred cement slurry preparing barrel;
(2) water, auxiliary material and major ingredient weight are set step: by control centre, set the weight of water, auxiliary material and the major ingredient of slurry, the parameter of setting is set to standard value;
(3) the access control step of water, auxiliary material, major ingredient: the water adding, auxiliary material, major ingredient are carried out to Real-Time Monitoring, monitored data is sent into the standard value of control centre and setting and is compared, once the water adding, material, major ingredient reach standard value, control centre sends halt instruction, stops adding water, auxiliary material, major ingredient;
(4) the high-speed stirred time is controlled step: the established standards high-speed stirred time, control centre receives high-speed stirring slurry mixing tank mixing time signal and compares with the standard high-speed stirred time, while equating with the standard high-speed stirred time, control centre sent and stopped high-speed stirred signal the high-speed stirred time;
(5) the stirring at low speed time is controlled step: the established standards stirring at low speed time, control centre receives stirring at low speed slurry bucket time signal and compares with the standard stirring at low speed time, while equating with the standard stirring at low speed time, control centre sent and stopped stirring at low speed signal the stirring at low speed time;
(6) automatic mud jacking step: mud jacking pressure criteria value, constant voltage time standard value and the dwell time standard value of setting stock inlet, during mud jacking, control centre compares the stock inlet pressure monitoring and pressure criteria value, when the time that pressure reaches pressure criteria value and keeps stable reaches constant voltage time standard value, stop mud jacking, close ball valve and start pressurize, dwell time reaches guarantor] press after time standard value, control centre preserves mud jacking data automatically, automatically generates mud jacking trend curve, form.
Technical scheme also comprises more specifically: in described water, auxiliary material, major ingredient access control step, the method adopting is Weight control water, auxiliary material, the major ingredient addition that measures high-speed stirring slurry mixing tank, its step order is: first add water, measure in real time the water weight that adds high-speed stirring slurry mixing tank, reach after the water weight standard value of setting, stop adding water, add again auxiliary material, the auxiliary material adding reaches after auxiliary material standard value, stops adding auxiliary material, finally adds major ingredient to major ingredient standard value.
Further: in described automatic mud jacking step, if force value drops to below pressure criteria value between hold period, control centre sends mends slurry instruction, mud jacking again, until carry out pressurize after reaching pressure criteria value again.
Advantage of the present invention is that the accurate controlled pressure of energy, pipeline air exhaust water are thorough, guarantees that mud jacking is full closely knit, by computer controlling center, controls slurrying mud jacking process, automatically according to the match ratio material loading of setting, and Automatic pulp making, automatic mud jacking, records mud jacking data automatically.
Accompanying drawing explanation
Fig. 1 is use structural representation of the present invention.
Fig. 2 is automatic slurrying system structural representation of the present invention.
Fig. 3 is Automatic pulp making mud jacking schematic diagram of the present invention.
In accompanying drawing: 1, control centre 2, automatical feeding system 3, high-speed stirred cement slurry preparing barrel 4, stirring at low speed slurry storing tank 5, ball valve 6, member 7, " U " type tube connector 8, prestressed pore passage 9, automatic pressing pulp grinder 10, pressure meter 11, pressure sensor 12, main reservoir 13, auxiliary material case 14, feed pipe 15, charging aperture 16, high-speed stirred axle 17, reductor 18, auxiliary material feeder motor 19, major ingredient feeder motor 20, high-speed stirred motor 21, LOAD CELLS 22, mixer support 23, water pump cable 24, water pump 25, water inlet pipe 26, wheel 1, grout outlet 28, stirring at low speed motor 29, wheel 2 30, Butterworth Hatch.
The specific embodiment
As shown in Figure 3, the present invention includes step:
(1) step of weighing: adopt LOAD CELLS to carry out Real-Time Monitoring to the weight of high-speed stirred cement slurry preparing barrel;
(2) water, auxiliary material and major ingredient weight are set step: by control centre, set the weight of water, auxiliary material and the major ingredient of slurry, the parameter of setting is set to standard value;
(3) the access control step of water, auxiliary material, major ingredient: the water adding, auxiliary material, major ingredient are carried out to Real-Time Monitoring, monitored data is sent into the standard value of control centre and setting and is compared, once the water adding, material, major ingredient reach standard value, control centre sends halt instruction, stops adding water, auxiliary material, major ingredient;
(4) the high-speed stirred time is controlled step: the established standards high-speed stirred time, control centre receives high-speed stirred cement slurry preparing barrel mixing time signal and compares with the standard high-speed stirred time, while equating with the standard high-speed stirred time, control centre sent and stopped high-speed stirred signal the high-speed stirred time;
(5) the stirring at low speed time is controlled step: the established standards stirring at low speed time, control centre receives stirring at low speed time signal and compares with the standard stirring at low speed time, while equating with the standard stirring at low speed time, control centre sent and stopped stirring at low speed signal the stirring at low speed time;
(6) automatic mud jacking step: mud jacking pressure criteria value, constant voltage time standard value and the dwell time standard value of setting stock inlet, during mud jacking, control centre compares the stock inlet pressure monitoring and pressure criteria value, when the time that pressure reaches pressure criteria value and keeps stable reaches constant voltage time standard value, stop mud jacking, close ball valve and start pressurize, dwell time reaches after dwell time standard value, control centre preserves mud jacking data automatically, automatically generates mud jacking trend curve, form.
In described water, auxiliary material, major ingredient access control step, the method adopting is Weight control water, auxiliary material, the major ingredient addition that measures high-speed stirred cement slurry preparing barrel, its step order is: first add water, measure in real time the water weight that adds high-speed stirring slurry mixing tank, reach after the water weight standard value of setting, stop adding water, add again auxiliary material, the auxiliary material adding reaches after auxiliary material standard value, stops adding auxiliary material, finally adds major ingredient to major ingredient standard value.
In described automatic mud jacking step, if force value drops to below pressure criteria value between hold period, control centre sends mends slurry instruction, and mud jacking again, until carry out pressurize after reaching pressure criteria value again.
Adopt a kind of intelligent slurrying mud jacking system of said method as shown in Figure 1 and Figure 2, be provided with:
(1) be provided with LOAD CELLS 21, described LOAD CELLS 21 is for the weight of high-speed stirred cement slurry preparing barrel 3 is carried out to Real-Time Monitoring, and monitored data is delivered to control centre;
(2) be provided with water inlet pipe 25, auxiliary material feeding motor 18 and major ingredient feeding motor 19, for water, auxiliary material, major ingredient are sent into high-speed stirred cement slurry preparing barrel 3;
(3) be provided with control centre 1, be mainly used in: the weight of Real-Time Monitoring high-speed stirred cement slurry preparing barrel 3, set the weight of water, auxiliary material, major ingredient and compare with the weight that monitors high-speed stirred cement slurry preparing barrel 3, control the addition of water, auxiliary material and major ingredient; Control high-speed stirred time and stirring at low speed time; The pressure of Real-Time Monitoring stock inlet, sets mud jacking pressure criteria value, constant voltage time standard value and the dwell time standard value of stock inlet and contrasts with pressure, constant voltage time and the dwell time of the stock inlet monitoring, and controls the action of automatic pressing pulp grinder 9.Described LOAD CELLS 21 is arranged between high-speed stirred cement slurry preparing barrel 3 and frame, and supporting high-speed stirred cement slurry preparing barrel 3 also measures the weight data of high-speed stirred cement slurry preparing barrel 3.
Described LOAD CELLS 21 arranges three, is arranged at respectively the periphery of high-speed stirred cement slurry preparing barrel 3.
The grout outlet 27 of described stirring at low speed slurry storing tank 4 is communicated with automatic pressing pulp grinder 9, and the grout outlet of described automatic pressing pulp grinder 9 is provided with pressure sensor 11, for measuring the slurry pressure in prestressed pore passage.
Described pressure sensor 11Yu control centre 1 connects, for the pressure data measuring is in real time provided.
Described control centre 1 has touch-screen input unit, for inputting the standard value that comprises major ingredient, auxiliary material, the water yield, the high-speed stirred time, the stirring at low speed time, the mud jacking dwell time, after finishing, automatically preserves the mud jacking dwell time mud jacking data, automatically generate mud jacking trend curve, form.
When the present invention uses, by structure shown in Fig. 1, connect completely, adopt method of the present invention to carry out slurrying mud jacking step as follows:
Automatic pulp making step: the touch-screen input parameter by control centre 1, comprising: major ingredient, auxiliary material and water formulations, high-speed stirred time, stirring at low speed time, mud jacking pressure criteria value, constant voltage time, dwell time.Press start button, water pump 24 energisings are drawn water, and water injects high-speed stirred cement slurry preparing barrel 3 by water inlet pipe 25, LOAD CELLS 21 claims in real time the weight of water and weight is transmitted go back to control centre 1, when the water yield reaches setting value, control centre 1 sends the power supply that water pump 24 is cut off in instruction, and water inlet stops.Then control centre 1 sends instruction, start auxiliary material feeder motor 18 and high-speed stirred motor 20, limit is added auxiliary material limit and is stirred, LOAD CELLS 21 claims in real time auxiliary material weight and transmits go back to control centre 1, when auxiliary material weight reaches setting value, control centre 1 sends the power supply that auxiliary material feeder motor 18 is cut off in instruction, stops into auxiliary material.Start major ingredient feeder 19 simultaneously and send major ingredient, retransmit sensor 21 and claim in real time major ingredient weight and transmit go back to control centre 1, when major ingredient weight reaches setting value, control centre 1 sends the power supply that major ingredient feeder motor 19 is cut off in instruction, stops into major ingredient.High-speed stirred reaches the default time, and control centre 1 sends the power supply that high-speed stirred motor 20 is cut off in instruction, stops stirring.
Open the valve between high-speed stirred cement slurry preparing barrel and stirring at low speed slurry storing tank, the slurry being stirred flows into stirring at low speed slurry storing tank 4 from high-speed stirred cement slurry preparing barrel 3.After slurry has shifted, valve-off, starts stirring at low speed motor 28, prevents that slurry from condensing, and prepares mud jacking, again carries out slurrying simultaneously.
Automatic mud jacking step: open the valve between stirring at low speed slurry storing tank 4 and prestressed pore passage 8, start pneumatic mortar machine 9, start mud jacking.Slurry starts to flow to high prestressed pore passage from minimum prestressed pore passage, and unnecessary slurry flows back to stirring at low speed slurry storing tank 4 from the grout outlet of the highest prestressed pore passage.Be arranged on the real-time detected pressures of pressure sensor 11 of stock inlet and be transferred to control centre, the pressure meter 10 constructability personnel that are arranged on stock inlet intuitively observe.When the pressure of stock inlet reaches the pressure criteria value of setting, grout outlet flows out slurry, and the time that keeps stable, while reaching constant voltage time standard, control centre 1 sent the power supply that pneumatic mortar machine 9 is cut off in instruction, stops mud jacking.Close the ball valve 5 of grout outlet, start pressurize.Between hold period, as force value drops to below pressure criteria value, control centre 1 sends instruction, starts pneumatic mortar machine 9, carries out ftercompction slurry, until pressure reaches pressure criteria value.Dwell time arrives, and automatically preserves mud jacking data, automatically generates mud jacking trend curve, form.
Claims (3)
1. a control method for intelligent slurrying mud jacking system, is characterized in that: comprise step:
(1) step of weighing: adopt LOAD CELLS to carry out Real-Time Monitoring to the weight of high-speed stirring slurry mixing tank;
(2) water, auxiliary material and major ingredient weight are set step: by control centre, set the weight of water, auxiliary material and the major ingredient of slurry, the parameter of setting is set to standard value;
(3) the access control step of water, auxiliary material, major ingredient: the water adding, auxiliary material, major ingredient are carried out to Real-Time Monitoring, monitored data is sent into the standard value of control centre and setting and is compared, once the water adding, material, major ingredient reach standard value, control centre sends halt instruction, stops adding water, auxiliary material, major ingredient;
(4) the high-speed stirred time is controlled step: the established standards high-speed stirred time, control centre receives high-speed stirring slurry mixing tank mixing time signal and compares with the standard high-speed stirred time, while equating with the standard high-speed stirred time, control centre sent and stopped high-speed stirred signal the high-speed stirred time;
(5), the stirring at low speed time is controlled step: the established standards stirring at low speed time, control centre receives stirring at low speed slurry storing tank time signal and compares with the standard stirring at low speed time, while equating with the standard stirring at low speed time, control centre sent and stopped stirring at low speed signal the stirring at low speed time;
(6) automatic mud jacking step: mud jacking pressure criteria value, constant voltage time standard value and the dwell time standard value of setting stock inlet, during mud jacking, control centre compares the stock inlet pressure monitoring and pressure criteria value, when the time that pressure reaches pressure criteria value and keeps stable reaches constant voltage time standard value, stop mud jacking, close ball valve and start pressurize, dwell time reaches after dwell time standard value, control centre preserves mud jacking data automatically, automatically generates mud jacking trend curve, form.
2. the control method of intelligent slurrying mud jacking system according to claim 1, it is characterized in that: in described water, auxiliary material, major ingredient access control step, the method adopting is Weight control water, auxiliary material, the major ingredient addition that measures high-speed stirred cement slurry preparing barrel, its step order is: first add water, measure in real time the water weight that adds high-speed stirred cement slurry preparing barrel, reach after the water weight standard value of setting, stop adding water, add again auxiliary material, the auxiliary material adding reaches after auxiliary material standard value, stop adding auxiliary material, finally add major ingredient to major ingredient standard value.
3. the control method of intelligent slurrying mud jacking system according to claim 1, it is characterized in that: in described automatic mud jacking step, if force value drops to below pressure criteria value between hold period, control centre sends mends slurry instruction, mud jacking again, until carry out pressurize after reaching pressure criteria value again.
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Cited By (3)
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CN104532844A (en) * | 2014-12-26 | 2015-04-22 | 柳州黔桥工程材料有限公司 | Anti-slurry-leakage circulating intelligent slurry making and pressing 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 |
CN108677738A (en) * | 2018-07-17 | 2018-10-19 | 中铁三局集团有限公司 | A kind of prefabricated case beam prestressed pore passage series connection mud jacking construction method |
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CN101446072A (en) * | 2008-10-31 | 2009-06-03 | 上海市第五建筑有限公司 | Construction method for pouring concrete within steel pipe of arch bridge |
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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 |
CN108677738A (en) * | 2018-07-17 | 2018-10-19 | 中铁三局集团有限公司 | A kind of prefabricated case beam prestressed pore passage series connection mud jacking construction method |
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Address after: 545112 Sifang Industrial Zone, Xinxing Industrial Park, Liujiang County, Liuzhou City, Guangxi Zhuang Autonomous Region Patentee after: Liuzhou Qianqiao Technology Co.,Ltd. Address before: 545112 Sifang Industrial Zone, Xinxing Industrial Park, Liujiang County, Liuzhou City, Guangxi Zhuang Autonomous Region Patentee before: LIUZHOU QIAN BRIDGE ENGINEERING MATERIALS Co.,Ltd. |
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