CN102094783A - Electric double-liquid chemical grouting pump - Google Patents
Electric double-liquid chemical grouting pump Download PDFInfo
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- CN102094783A CN102094783A CN201010597395XA CN201010597395A CN102094783A CN 102094783 A CN102094783 A CN 102094783A CN 201010597395X A CN201010597395X A CN 201010597395XA CN 201010597395 A CN201010597395 A CN 201010597395A CN 102094783 A CN102094783 A CN 102094783A
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- slurry
- grouting pump
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- chemical grouting
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- 239000007788 liquid Substances 0.000 title claims abstract description 40
- 239000000126 substance Substances 0.000 title claims abstract description 31
- 239000002002 slurry Substances 0.000 claims abstract description 63
- 238000006073 displacement reaction Methods 0.000 claims abstract description 44
- 239000012530 fluid Substances 0.000 claims description 30
- 238000000034 method Methods 0.000 description 13
- 239000000306 component Substances 0.000 description 11
- 230000033001 locomotion Effects 0.000 description 8
- 238000012545 processing Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000875 corresponding effect Effects 0.000 description 3
- 238000005429 filling process Methods 0.000 description 3
- 239000011440 grout Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000008358 core component Substances 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 229910002056 binary alloy Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003823 mortar mixing Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention relates to an electric double-liquid chemical grouting pump. The electric double-liquid chemical grouting pump is formed by parallelly connecting two electric single-liquid chemical grouting pumps, wherein the electric single-liquid chemical grouting pumps comprise liquid cylinders, electric push rods which are fixedly connected with the pistons of the liquid cylinders, stepping motors for driving the electric push rods to move, and displacement sensors which are connected with the electric push rods by displacement sensor connecting rods and are used for measuring the displacement of the electric push rods; the liquid cylinders are provided with slurry inlet check valves and slurry outlet check valves; and slurry enters an electric stirrer to be mixed through the two slurry outlet check valves. The two-component slurry can be accurately proportioned through calculation of a flow meter, so that the quality of chemical grouting is ensured.
Description
Technical field
The present invention relates to a kind of electronic biliquid chemical grouting pump.
Background technique
Chemical grouting equipment is the important construction equipment in the chemical grouting engineering, and the correctness of its performance quality, using method directly influences the chemical grouting quality.
Present chemical grouting mainly all is two-shot grouting, and its key is to need two kinds of different chemical grouts of A, B to carry out a certain proportion of mixing, and the precision of two kinds of slurries mixed proportions will directly influence the quality of grouting.
Chinese patent notice of authorization number is for the patent of invention Pneumatic plunger type grouting pump of CN 11172086C and mortar mixing machine and join the slurry grouting equipment automatically and comprise and drive cylinder, operational hydraulic cylinder and piston rod, drive cylinder and be provided with decompression pressure regulator valve, reversing solenoid valve and travel control switch, pressurized air enters the driving cylinder behind decompression pressure regulator valve, reversing solenoid valve, promote the reciprocating motion of the pistons that piston rod drives operational hydraulic cylinder.The present invention is not provided with flowmeter, the flow of energy measurement grouting not, and the monitoring of flow relies on staff's experience fully, and grouting quality and stability all can not be guaranteed.When realizing the grouting of two components or many components, the present invention adopts two or many simplex pumps to compose in parallel, alternately inhale the slurry mud jacking by replacing reciprocal control circuit control grouting pump, adopt synchronously reciprocal control circuit that many Pneumatic plunger type grouting pumps are formed control circuit with the position limit switch series connection of end, ratio between the component is to rely on the cylinder diameter and the stroke of each operational hydraulic cylinder to determine that can produce many-sided problem that influences quality like this: the inconsistent meeting in the pulp-inlet pipe road of each operational hydraulic cylinder (length and cast) causes mixing ratio error; The speed difference of two piston motions during grouting also can cause proportioning inaccurate; Because two cylinder sectional area differences, two needed thrusts of piston are different, can cause grouting pressure inhomogeneous; The ratio of component need be regulated by changing fluid cylinder and stroke, can not be adjustable continuously, and adjustable proportion is also limited, regulates very inconvenient; And when practical application, need use the parallel connection of many Pneumatic plunger type grouting pumps, the cost of use is high and inconvenient.
Summary of the invention
The technical problem to be solved in the present invention is a grouting component proportioning problem, provide a kind of can be accurately and be easy to proportioning, can measure the electronic biliquid chemical grouting pump of chemical grouting flow.
The present invention learns grouting pump by two electronic single liquefaction and is formed in parallel, described electronic single liquefaction is learned grouting pump and is comprised fluid cylinder, the displacement transducer that is used to measure the electric pushrod displacement that is connected with electric pushrod with the fixedly connected electric pushrod of liquid cylinder piston, stepper motor that the driving electric pushrod moves, by the displacement transducer connecting rod, described fluid cylinder is provided with into slurry check valve and goes out slurry check valve, and slurries go out slurry check valve by two and enter in the electric mixer and mix.
The described displacement transducer of the present invention is provided with a left side near switch and right near switch.The present invention also comprises control circuit, described control circuit is controlled described electronic biliquid chemical grouting pump and is inhaled the slurry mud jacking, described control circuit comprises CPU, be used for measures ambient temperature and slurry temperature and carry the temperature sensor module of signal to CPU, be used to measure the pulp mouth pressure and carry the pressure sensor module of signal to CPU, control slurries component proportioning is also carried the displacement sensor module of signal to CPU, receive fluid cylinder run to end signal and carry signal to CPU near switch module, be used to the serial port module of communicating by letter and downloading, drive motor mixes the motor drive module of slurries, control apparatus starts, the input/output module of suspending and stopping to also have the step motor drive module that receives from signal and the control step motor of CPU.
The present invention is by step motor drive electric pushrod moving linearly, liquid cylinder piston in the fluid cylinder realizes inhaling slurry and mud jacking by moving under the drive of electric pushrod, in the process of grouting, displacement sensor is to the displacement of electric pushrod, calculate the flow of grouting by formula 1
Wherein, q
vBe volume flowrate, R is the fluid cylinder diameter,
Be the displacement of electric pushrod in the unit time.
In the present invention, suppose fluid cylinder stroke L=5cm, the displacement transducer range equals the fluid cylinder stroke, and the output voltage signal scope is 0～5V, and the binary system A/D converter is 12 A/D converters, and collection of chemical grouting flow meter signal and processing system reversable are:
D=k
1k
2S (formula 2)
Wherein, k
1Be the carry-over factor of resistance type displacement transducer, unit is V/cm, k
2Be the carry-over factor of 12 A/D converters, unit is 1/V.K wherein
1And k
2Formula as follows:
The error of chemical grouting flowmeter of the present invention is very little, but practical requirement.
Chemical grouting flowmeter error can be calculated by following formula by the precision decision of the sum of errors A/D converter of resistance type displacement transducer:
γ=γ
1+ γ
2(formula 5)
Wherein, γ
1Being the error of resistance type displacement transducer, is 0.2%, γ
2Be assumed to be the precision of 12 A/D converters,
So chemical grouting flowmeter error γ=0.22% less than 1%, can satisfy the chemical grouting requirement.
Electronic biliquid formula chemical grouting pump of the present invention, calculating by flowmeter, can realize the accurate proportioning of two component slurries, promptly only need to adopt a fluid cylinder just can realize the two-shot grouting function, avoided the problem that adopts two fluid cylinders to bring, speed difference such as two liquid cylinder piston motions causes the inaccurate defective of proportioning, the phenomenon of grouting pressure inequality; Can be at any time the flow and the ratio of adjustable two components continuously, flow size and the grouting total amount of the flow in the time of can showing grouting during with control grouting accurately guarantees the chemical grouting quality.The present invention adopts software control, monitors in real time and the data when writing down chemical grouting, guarantees the accuracy of data.The present invention is simple in structure, and is easy to maintenance, and user cost is low.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural principle schematic representation of the control circuit of invention;
Fig. 3 is the flow chart of control circuit of the present invention.
In the drawings, 1A electric pushrod, 2A stepper motor, a 3A left side advance slurry check valve, 8A slurry storing tank, 9A near switch, 4A displacement transducer connecting rod, 5A displacement transducer, the 6A right side near switch, 7A and go out slurry check valve, 10 electric mixers, 11A liquid cylinder piston, 12A fluid cylinder, 13B electric pushrod, 14B stepper motor, a 15B left side and advance slurry check valve, 20B slurry storing tank, 21B near switch, 16B displacement transducer connecting rod, 17B displacement transducer, the 18B right side near switch, 19B and go out slurry check valve, 22B fluid cylinder, 23B liquid cylinder piston.
Embodiment
As shown in Figure 1, the present invention learns grouting pump by two electronic single liquefaction and is formed in parallel, a described electronic single liquefaction is learned grouting pump and is comprised A fluid cylinder 12, the A electric pushrod 1 of fixedlying connected with A liquid cylinder piston 11, drive the A stepper motor 2 that A electric pushrod 1 moves, the A displacement transducer 5 that is used to measure 1 displacement of A electric pushrod that is connected with A electric pushrod 1 by A displacement transducer connecting rod 4, described A fluid cylinder 12 is provided with A and advances slurry check valve 7 and go out slurry check valve 9, another electronic single liquefaction is learned grouting pump and is comprised B fluid cylinder 22, the B electric pushrod 13 that is connected with B liquid cylinder piston 23, drive the B stepper motor 14 that B electric pushrod 13 moves, the B displacement transducer 17 that is used to measure 13 displacements of B electric pushrod that is connected with B electric pushrod 13 by B displacement transducer connecting rod 16, described B fluid cylinder 22 is provided with B and advances slurry check valve 19 and go out slurry check valve 21, and slurries go out slurry check valve 9 and B by A and go out slurry check valve 21 and enter in the electric mixer 10 and mix.
The present invention on described A displacement transducer 5 and B displacement transducer 17, be respectively arranged with an A left side near switch 3, the A right side near switch and a B left side near switch 15, the B right side near switch 18.The present invention also comprises control circuit, described control circuit is controlled described electronic biliquid chemical grouting pump and is inhaled the slurry mud jacking, described control circuit comprises CPU, be used for measures ambient temperature and slurry temperature and carry the temperature sensor module of signal to CPU, be used to measure the pulp mouth pressure and carry the pressure sensor module of signal to CPU, control slurries component proportioning is also carried the displacement sensor module of signal to CPU, receive fluid cylinder run to end signal and carry signal to CPU near switch module, be used to the serial port module of communicating by letter and downloading, drive motor mixes the motor drive module of slurries, control apparatus starts, the input/output module of suspending and stopping to also have the step motor drive module that receives from signal and the control step motor of CPU.
Workflow of the present invention is divided 3 processes:
(1) reseting procedure
Behind the machine electrifying startup, A stepper motor 2 and B stepper motor 14 are just changeing, and drive A electric pushrod 1 and B electric pushrod 13 and move right, and A electric pushrod 1 and B electric pushrod 13 promote A liquid cylinder piston 11 respectively and B liquid cylinder piston 23 moves right.When A liquid cylinder piston 11 and B liquid cylinder piston 23 ran to A fluid cylinder 12 and B fluid cylinder 22 the right end points, the A right side was sensed signal near the switch 6 and the B right side near switch 18. A stepper motor 2 and 14 stalls of B stepper motor, A liquid cylinder piston 11 and 23 stop motions of B liquid cylinder piston, reseting procedure finishes.
(2) inhale the slurry process
Reseting procedure finishes, and enters the slurry process of inhaling, and A stepper motor 2 and 14 counter-rotatings of B stepper motor drive A electric pushrod 1 and B electric pushrod 13 to left movement, and A electric pushrod 1 and B electric pushrod 13 promote A liquid cylinder piston 11 and B liquid cylinder piston 23 respectively to left movement.A advances slurry check valve 7 and B advances slurry check valve 19 conductings, with difference inspiration A fluid cylinder 12 of the slurries in A slurry storing tank 8 and the B slurry storing tank 20 and B fluid cylinder 22.The displacement that A displacement transducer 5 and B displacement transducer 17 are measured A liquid cylinder piston 11 and B liquid cylinder piston 23 respectively.The displacement of A liquid cylinder piston 11 and B liquid cylinder piston 23 can be calculated by following formula:
l
A=L (formula 6)
Wherein, l
ABe the displacement of A liquid cylinder piston, unit is cm, l
BBe the displacement of B liquid cylinder piston, unit is cm, and L is the stroke of A fluid cylinder and B fluid cylinder, and unit is cm,
For the proportioning of A component and B component, in the proportioning of chemical grout,
When the displacement of A liquid cylinder piston 11 and B liquid cylinder piston 23 arrives, A stepper motor 2 and 14 stalls of B stepper motor, A liquid cylinder piston 11 and 23 stop motions of B liquid cylinder piston are inhaled the slurry process and are finished.
(3) filling process
Inhale the slurry process and finish, enter filling process, A stepper motor 2 and B stepper motor 14 are just changeing, and drive A electric pushrod 1 and B electric pushrod 13 and move right, and A electric pushrod 1 and B electric pushrod 13 promote A liquid cylinder piston 11 respectively and B liquid cylinder piston 23 moves right.A goes out slurry check valve 9 and B goes out slurry check valve 21 conductings, and A advances slurry check valve 9 and B and advances slurry check valve 21 and end, and the slurries in A fluid cylinder 12 and the B fluid cylinder 22 are extruded.Two kinds of slurries are discharged from grout outlet through after the mixing of electric mixer 10.A stepper motor 2 and B stepper motor 14 step numbers ratio can have following formula to obtain:
When A liquid cylinder piston 11 and B liquid cylinder piston 23 ran to A fluid cylinder 12 and B fluid cylinder 22 the right end points, the A right side was sensed signal near the switch 6 and the B right side near switch 18.A stepper motor 2 and 14 stalls of B stepper motor, A liquid cylinder piston 11 and 23 stop motions of B liquid cylinder piston, filling process finishes.Repeat to enter the slurry process of inhaling.
Working procedure of the present invention is by control circuit control, and as shown in Figures 2 and 3, control circuit of the present invention comprises:
That 1, CPU (central processing unit): CPU adopts is STC89C58RD+, and whole module comprises reset circuit, and crystal oscillation circuit is the control core component of entire equipment, and analysing and processing is sent the corresponding action instruction then from the information of other each module.
2, temperature sensor module: that temperature sensor module adopts is digital temperature sensor DS18B20, two temperature that are used for test environment temperature and slurries respectively.
3, pressure sensor module: what pressure transducer adopted is SCB3111P plane pressure transmitter, is used for testing the pressure of grout outlet, output current signal.Make corresponding processing by output digital signal after 12 the TLC1549 analog-to-digital conversion to CPU.
4, displacement sensor module: what displacement transducer adopted is KTC series high accuracy displacement sensor, is the core component of metering grouting amount, and output voltage signal is made corresponding processing by output digital signal after 12 the TLC1549 analog-to-digital conversion to CPU.This equipment has the two-way displacement sensor module, is used for controlling the proportioning of slurries A and B respectively.
5, near switch module: pneumatic single cylinder biliquid formula chemical grouting pump adopts the NPN open type to receive the signal that cylinder runs to the end near switch.Then this signal being transferred to CPU, is a load module.This equipment has two-way near switch module, is used for receiving the running position of A and B cylinder respectively.
6, serial port module: serial port module comprises the electrical level conversion circuit of MAX232, is that equipment is used for the module of communicating by letter and downloading.
7, motor drive module: motor-drive circuit is used for drive motor and mixes slurries.The H bridge drive circuit that adopts TIP122 and TIP127 to constitute.By motor-drive circuit may command rotating speed of motor and clockwise and anticlockwise direction.
8, input/output module: load module comprises three buttons, and the respectively startup of control apparatus suspends and stops.Output module adopts the liquid crystal screen of OCMJ4*8C, and output shows grouting pressure, grouting amount, ambient temperature, slurry temperature, filling speed and grouting state.
9, step motor drive module: this module adopts sift register CD4094 to finish the distribution of pulse, and power drive adopts NPN large power triode 5408 that big power is provided.
Control flow of the present invention as shown in Figure 3, element of the present invention by control circuit control to realize accurate operation.Protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses, and the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.
Claims (3)
1. electronic biliquid chemical grouting pump, it is characterized in that, it is learned grouting pump by two electronic single liquefaction and is formed in parallel, the displacement transducer that is used to measure the electric pushrod displacement that described electronic single liquefaction is learned stepper motor that grouting pump comprises that fluid cylinder, the electric pushrod that is connected with liquid cylinder piston, driving electric pushrod move, is connected with electric pushrod by the displacement transducer connecting rod, described fluid cylinder is provided with into slurry check valve and goes out slurry check valve, and slurries go out slurry check valve by two and enter in the electric mixer and mix.
2. electronic biliquid chemical grouting pump according to claim 1 is characterized in that described displacement transducer is provided with a left side near switch and right near switch.
3. electronic biliquid chemical grouting pump according to claim 1 and 2, it is characterized in that it also comprises control circuit, described control circuit is controlled described electronic biliquid chemical grouting pump and is inhaled the slurry mud jacking, described control circuit comprises CPU, be used for measures ambient temperature and slurry temperature and carry the temperature sensor module of signal to CPU, be used to measure the pulp mouth pressure and carry the pressure sensor module of signal to CPU, control slurries component proportioning is also carried the displacement sensor module of signal to CPU, receive fluid cylinder run to end signal and carry signal to CPU near switch module, be used to the serial port module of communicating by letter and downloading, drive motor mixes the motor drive module of slurries, control apparatus starts, the input/output module of suspending and stopping to also have the step motor drive module that receives from signal and the control step motor of CPU.
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|---|---|---|---|
| CN 201010597395 CN102094783B (en) | 2010-12-21 | 2010-12-21 | Electric double-liquid chemical grouting pump |
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| CN 201010597395 CN102094783B (en) | 2010-12-21 | 2010-12-21 | Electric double-liquid chemical grouting pump |
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| CN102094783A true CN102094783A (en) | 2011-06-15 |
| CN102094783B CN102094783B (en) | 2013-07-17 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103334436A (en) * | 2013-06-17 | 2013-10-02 | 北京市政建设集团有限责任公司 | Dual slurry injection pipe end head mixing device |
| CN103691634A (en) * | 2013-12-16 | 2014-04-02 | 张明 | Continuous glue feeding system of dual-liquid automatic glue applying machine |
| CN106792444A (en) * | 2016-12-06 | 2017-05-31 | 武汉长江仪器自动化研究所有限公司 | Remote-wireless based on lora lifts micro-displacement monitoring system and method |
| CN108823650A (en) * | 2018-07-16 | 2018-11-16 | 绍兴百慧科技有限公司 | A kind of liquid feed device of solution electrostatic spinning |
| CN108979191A (en) * | 2018-08-09 | 2018-12-11 | 武汉长江科创科技发展有限公司 | A kind of electronic biliquid chemical grouting system |
| CN109098948A (en) * | 2018-10-08 | 2018-12-28 | 四川力程建设工程有限责任公司 | A kind of two-shot grouting pump of accurate flow adjustment |
| CN109825823A (en) * | 2019-03-11 | 2019-05-31 | 东北大学 | A kind of silver-plated film device of wet process for excitation fiber surface plasma resonance phenomenon |
| CN110869604A (en) * | 2017-07-11 | 2020-03-06 | 西门子股份公司 | Driving of pumps |
| CN111270870A (en) * | 2020-03-18 | 2020-06-12 | 山东未来机器人有限公司 | Underwater building crack repairing robot |
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| CN107989393A (en) * | 2017-11-27 | 2018-05-04 | 瑞派尔（宜昌）科技集团有限责任公司 | A kind of biliquid chemical grouting system |
| CN108411956A (en) * | 2018-05-18 | 2018-08-17 | 东南大学 | Model pipe post-pressure grouting device and its construction method |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103334436A (en) * | 2013-06-17 | 2013-10-02 | 北京市政建设集团有限责任公司 | Dual slurry injection pipe end head mixing device |
| CN103691634A (en) * | 2013-12-16 | 2014-04-02 | 张明 | Continuous glue feeding system of dual-liquid automatic glue applying machine |
| CN106792444A (en) * | 2016-12-06 | 2017-05-31 | 武汉长江仪器自动化研究所有限公司 | Remote-wireless based on lora lifts micro-displacement monitoring system and method |
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| CN108823650A (en) * | 2018-07-16 | 2018-11-16 | 绍兴百慧科技有限公司 | A kind of liquid feed device of solution electrostatic spinning |
| CN108979191A (en) * | 2018-08-09 | 2018-12-11 | 武汉长江科创科技发展有限公司 | A kind of electronic biliquid chemical grouting system |
| CN109098948A (en) * | 2018-10-08 | 2018-12-28 | 四川力程建设工程有限责任公司 | A kind of two-shot grouting pump of accurate flow adjustment |
| CN109825823A (en) * | 2019-03-11 | 2019-05-31 | 东北大学 | A kind of silver-plated film device of wet process for excitation fiber surface plasma resonance phenomenon |
| CN111270870A (en) * | 2020-03-18 | 2020-06-12 | 山东未来机器人有限公司 | Underwater building crack repairing robot |
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| CN102094783B (en) | 2013-07-17 |
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