CN111058450B - Grouting control method, device and system - Google Patents
Grouting control method, device and system Download PDFInfo
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- CN111058450B CN111058450B CN201911412339.1A CN201911412339A CN111058450B CN 111058450 B CN111058450 B CN 111058450B CN 201911412339 A CN201911412339 A CN 201911412339A CN 111058450 B CN111058450 B CN 111058450B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/003—Injection of material
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Abstract
The invention relates to the technical field of drilling machine grouting, and particularly discloses a grouting control method, which comprises the following steps: acquiring the pressure data of the current formation cement slurry in real time; comparing the current formation cement slurry pressure data with a preset cement slurry pressure value to obtain a comparison result; and generating a control signal according to the comparison result, wherein the control signal is used for controlling an execution mechanism to execute cement slurry injection, excess cement slurry suction or stop cement slurry injection. The invention also discloses a grouting control device and system. The grouting control method provided by the invention can ensure smooth grouting, realize intelligent control and avoid the problem of insufficient grouting or excessive overpressure grouting in the prior art.
Description
Technical Field
The invention relates to the technical field of drilling machine grouting, in particular to a grouting control method, a grouting control device and a grouting control system comprising the grouting control device.
Background
The development in the field of foundation engineering drives huge demand of foundation engineering construction, stratum grouting construction is often required to be involved in the field of foundation engineering construction, high-pressure grouting construction is widely applied due to high efficiency, simplicity and convenience and good concealment, but on the contrary, the construction state cannot be observed by visual observation, the following inherent construction hidden dangers exist due to the fact that the construction state cannot be observed by visual observation, and the main performance is as follows: firstly, the slip casting is not enough, leads to the closely knit degree of ground not enough, and secondly excessive superpressure slip casting leads to the high pressure thick liquid to destroy the regional all kinds of pipelines of construction, simultaneously because the slip casting of excessive superpressure leads to the uplift of construction stratum, destroys the road, leads to the slope and the structural failure of ground building when serious.
Disclosure of Invention
The invention provides a grouting control method, a grouting control device and a grouting control system comprising the grouting control device, and solves the problems of insufficient grouting or excessive overpressure grouting in the related technology.
As a first aspect of the present invention, there is provided a grouting control method, including:
acquiring the pressure data of the current formation cement slurry in real time;
comparing the current formation cement slurry pressure data with a preset cement slurry pressure value to obtain a comparison result;
and generating a control signal according to the comparison result, wherein the control signal is used for controlling an execution mechanism to execute cement slurry injection, excess cement slurry suction or stop cement slurry injection.
Further, the comparing the current formation cement slurry pressure data with a preset cement slurry pressure value and obtaining a comparison result includes:
judging whether the current formation cement slurry pressure data is larger than the preset cement slurry pressure value or not;
if the pressure data of the current formation cement slurry is larger than the preset cement slurry pressure value, judging that the current formation cement slurry is subjected to excessive overpressure grouting;
if the current stratum cement slurry pressure data is smaller than the preset cement slurry pressure value, judging that the current stratum cement slurry is insufficient for grouting;
and if the current formation cement slurry pressure data is equal to the preset cement slurry pressure value, judging that the current formation cement slurry injection meets the requirement.
Further, the generating a control signal according to the comparison result, the control signal being used for controlling an execution mechanism to execute cement slurry injection, excess cement slurry suction or stop cement slurry injection, includes:
and if the current formation cement grout is subjected to excessive overpressure grouting, generating a first control signal, wherein the first control signal is used for controlling the suction of the redundant cement grout.
Further, the first control signal is used for controlling the slurry suction port cover plate to be opened, and is used for controlling the high-pressure nozzle to spray high-pressure water into the formation cement slurry and controlling the extraction of redundant cement slurry.
Further, the generating a control signal according to the comparison result, the control signal being used for controlling an execution mechanism to execute cement slurry injection, excess cement slurry suction or stop cement slurry injection, includes:
and if the current stratum cement grout is insufficient in grouting, generating a second control signal, wherein the second control signal is used for controlling the injection of the cement grout.
Further, the generating a control signal according to the comparison result, the control signal being used for controlling an execution mechanism to execute cement slurry injection, excess cement slurry suction or stop cement slurry injection, includes:
and if the current formation cement grout injection meets the requirement, generating a third control signal, wherein the third control signal is used for controlling to stop cement grout injection.
As another aspect of the present invention, there is provided a grouting control device, including:
the acquisition module is used for acquiring the pressure data of the current formation cement slurry in real time;
the comparison module is used for comparing the current formation cement slurry pressure data with a preset cement slurry pressure value and obtaining a comparison result;
and the control module is used for controlling the injection of cement grout, the suction of redundant cement grout or the stop of the injection of cement grout according to the comparison result.
As another aspect of the present invention, there is provided a grouting control system, including: the grouting control device comprises a ground pressure sensing device, an actuating mechanism and the grouting control device, wherein the ground pressure sensing device and the actuating mechanism are in communication connection with the grouting control device;
the ground pressure sensing device is used for acquiring the pressure data of the current formation cement slurry in real time;
the grouting control device is used for generating a control signal according to the comparison result of the current formation cement slurry pressure data and a preset cement slurry pressure value;
and the executing mechanism is used for controlling the executing mechanism to execute cement slurry injection, excess cement slurry suction or stop cement slurry injection according to the control signal.
Further, the earth pressure sensing device comprises a pressure diaphragm, a pressure transmission medium and a pressure sensor, wherein the pressure diaphragm is used for sensing the pressure of the formation cement grout, the pressure transmission medium is used for transmitting the pressure of the formation cement grout sensed by the pressure diaphragm to the pressure sensor, and the pressure sensor is used for generating a current formation cement grout pressure data signal according to the pressure of the current formation cement grout and sending the current formation cement grout pressure data signal to the grouting control device.
Further, the actuator comprises: displacement sensor, sealing piston, piston rod, inhale thick liquid apron, high-pressure nozzle, the piston rod can drive under slip casting controlling means's control inhale the thick liquid apron and remove, displacement sensor can detect inhale the distance that the thick liquid apron removed to the displacement signal who inhales the thick liquid apron that will detect sends to slip casting controlling means, sealing piston can open the nozzle passageway so that high-pressure nozzle blowout high pressure water under slip casting controlling means's control.
By the grouting control method, the pressure data of the current formation cement slurry can be acquired in real time, and the control signal is obtained after the pressure data of the current formation cement slurry is processed, so that grouting is controlled. The grouting control method can realize real-time monitoring of the formation grouting pressure, pump drainage and pressure reduction at any time and enable the formation grouting pressure to be in a controllable state all the time. In addition, the grouting control method can ensure smooth grouting, realize intelligent control and avoid the problem of insufficient grouting or excessive overpressure grouting in the prior art.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a flowchart of a grouting control method provided by the present invention.
Fig. 2 is a schematic structural diagram of a grouting control system according to the present invention, when a grouting cover is in an open state.
Fig. 3 is another schematic structural diagram of a grouting control system according to the present invention, when a grouting cover plate is in an open state.
Fig. 4 is a schematic structural diagram of a grouting control system according to the present invention, when a grouting cover plate is in a closed state.
Fig. 5 is another schematic structural diagram of a grouting control system according to the present invention, when a grouting cover plate is in a closed state.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this embodiment, a grouting control method is provided, and fig. 1 is a flowchart of a grouting control method according to an embodiment of the present invention, as shown in fig. 1, including:
s110, acquiring pressure data of current formation cement slurry in real time;
s120, comparing the current formation cement slurry pressure data with a preset cement slurry pressure value to obtain a comparison result;
and S130, generating a control signal according to the comparison result, wherein the control signal is used for controlling an execution mechanism to execute cement slurry injection, suction of excess cement slurry or stop cement slurry injection.
By the grouting control method, the pressure data of the current formation cement slurry can be acquired in real time, and the control signal is obtained after the pressure data of the current formation cement slurry is processed, so that grouting is controlled. The grouting control method can realize real-time monitoring of the formation grouting pressure, pump drainage and pressure reduction at any time and enable the formation grouting pressure to be in a controllable state all the time. In addition, the grouting control method can ensure smooth grouting, realize intelligent control and avoid the problem of insufficient grouting or excessive overpressure grouting in the prior art.
Specifically, the comparing the current formation cement slurry pressure data with a preset cement slurry pressure value to obtain a comparison result includes:
judging whether the current formation cement slurry pressure data is larger than the preset cement slurry pressure value or not;
if the pressure data of the current formation cement slurry is larger than the preset cement slurry pressure value, judging that the current formation cement slurry is subjected to excessive overpressure grouting;
if the current stratum cement slurry pressure data is smaller than the preset cement slurry pressure value, judging that the current stratum cement slurry is insufficient for grouting;
and if the current formation cement slurry pressure data is equal to the preset cement slurry pressure value, judging that the current formation cement slurry injection meets the requirement.
Specifically, the generating a control signal according to the comparison result, where the control signal is used to control an execution mechanism to perform cement slurry injection, excess cement slurry suction, or stop cement slurry injection, includes:
and if the current formation cement grout is subjected to excessive overpressure grouting, generating a first control signal, wherein the first control signal is used for controlling the suction of the redundant cement grout.
Specifically, the first control signal is used for controlling the slurry suction port cover plate to be opened, and is used for controlling the high-pressure nozzle to spray high-pressure water into the formation cement slurry and controlling the extraction of redundant cement slurry.
Specifically, the generating a control signal according to the comparison result, where the control signal is used to control an execution mechanism to perform cement slurry injection, excess cement slurry suction, or stop cement slurry injection, includes:
and if the current stratum cement grout is insufficient in grouting, generating a second control signal, wherein the second control signal is used for controlling the injection of the cement grout.
Specifically, the generating a control signal according to the comparison result, where the control signal is used to control an execution mechanism to perform cement slurry injection, excess cement slurry suction, or stop cement slurry injection, includes:
and if the current formation cement grout injection meets the requirement, generating a third control signal, wherein the third control signal is used for controlling to stop cement grout injection.
As another embodiment of the present invention, there is provided a grouting control device including:
the acquisition module is used for acquiring the pressure data of the current formation cement slurry in real time;
the comparison module is used for comparing the current formation cement slurry pressure data with a preset cement slurry pressure value and obtaining a comparison result;
and the control module is used for controlling the injection of cement grout, the suction of redundant cement grout or the stop of the injection of cement grout according to the comparison result.
The grouting control device provided by the embodiment of the invention can acquire the pressure data of the current formation cement slurry in real time, and process the pressure data according to the currently acquired formation cement slurry to obtain the control signal so as to realize the control of grouting. The grouting control device can realize real-time monitoring of the formation grouting pressure, pump drainage and pressure reduction can be achieved at any time, and the formation grouting pressure is always in a controllable state. In addition, the grouting control device can ensure smooth grouting, realize intelligent control and avoid the problem of insufficient grouting or excessive overpressure grouting in the prior art.
As another embodiment of the present invention, there is provided a grouting control system, including: the grouting control device comprises a ground pressure sensing device, an actuating mechanism and the grouting control device, wherein the ground pressure sensing device and the actuating mechanism are in communication connection with the grouting control device;
the ground pressure sensing device is used for acquiring the pressure data of the current formation cement slurry in real time;
the grouting control device is used for generating a control signal according to the comparison result of the current formation cement slurry pressure data and a preset cement slurry pressure value;
and the executing mechanism is used for controlling the executing mechanism to execute cement slurry injection, excess cement slurry suction or stop cement slurry injection according to the control signal.
The grouting control system provided by the embodiment of the invention can acquire the pressure data of the current formation cement slurry in real time, and process the pressure data according to the pressure data of the current formation cement slurry to obtain a control signal so as to realize the control of grouting. The grouting control system can realize real-time monitoring of the formation grouting pressure, pump drainage and pressure reduction can be achieved at any time, and the formation grouting pressure is always in a controllable state. In addition, the grouting control system can ensure smooth grouting, realize intelligent control and avoid the problem of insufficient grouting or excessive overpressure grouting in the prior art.
Specifically, the ground pressure sensing device comprises a pressure diaphragm, a pressure transmission medium and a pressure sensor, wherein the pressure diaphragm is used for sensing the pressure of the formation cement grout, the pressure transmission medium is used for transmitting the pressure of the formation cement grout sensed by the pressure diaphragm to the pressure sensor, and the pressure sensor is used for generating a current formation cement grout pressure data signal according to the pressure of the current formation cement grout and sending the current formation cement grout pressure data signal to the grouting control device.
Specifically, the actuator includes: displacement sensor, sealing piston, piston rod, inhale thick liquid apron, high-pressure nozzle, the piston rod can drive under slip casting controlling means's control inhale the thick liquid apron and remove, displacement sensor can detect inhale the distance that the thick liquid apron removed to the displacement signal who inhales the thick liquid apron that will detect sends to slip casting controlling means, sealing piston can open the nozzle passageway so that high-pressure nozzle blowout high pressure water under slip casting controlling means's control.
The grouting control system provided by the embodiment of the invention can sense the pressure of the construction stratum cement slurry, can open the slurry return and suck high-pressure water according to the acquired pressure signal, and simultaneously automatically open the slurry return cover plate to suck out redundant cement slurry in the stratum, relieve the stratum pressure and restore the grouting stratum to a stable and safe state. In addition, the opening size of the slurry return opening cover plate in the embodiment of the invention can be accurately controlled so as to further accurately control the slurry return amount.
The earth pressure sensing device and the actuating mechanism in the embodiment of the invention can be integrally designed in a construction drill bit and are divided into an earth pressure sensing section, a sensing section and a slurry sucking section, the whole body is cylindrical, and each mounting hole, a working medium and each line channel are arranged in the whole body; the earth pressure sensing device and the actuating mechanism are integrated with the drill bit, the outer part of the earth pressure sensing device has the same strength and hardness, and the inner part of the earth pressure sensing device keeps the precision division of work of all functions.
Preferably, the grouting control device comprises a PLC controller.
The operation of the grouting control system according to the embodiment of the invention will be described in detail with reference to fig. 2 and 3.
The grouting control system in the embodiment of the invention mainly realizes the following functions under the control signal of the grouting control device: in particular to ground pressure induction, cover plate opening and closing, and back suction and pulp return.
As shown in fig. 2 and 3, the ground pressure sensing apparatus mainly includes: the grouting device comprises a pressure diaphragm 25, a diaphragm gland 24, a pressure transmitting medium 26, a pressure sensor 22 and a plurality of cables, wherein during operation, an external pressure acts on the pressure diaphragm 25, the pressure sensor 22 further acts through the pressure transmitting medium 26, and the pressure sensor 22 transmits a pressure signal to a grouting control device through the cables.
Specifically, the actuating mechanism mainly comprises a cover plate opening and closing structure and a back suction and pulp return structure.
Further specifically, as shown in fig. 2 and 3, the cover plate opening and closing structure mainly includes: inhale thick liquid apron 13, piston rod 3, the sealing washer, displacement sensor 2, reciprocal hydraulic circuit and some cable conductor are constituteed, the thick liquid apron 13 is inhaled through the drive of two effect piston rods 3 in the during operation, form the opening and close of arbitrary size, the reciprocal action of two effect piston rods 3 is through the oil circuit control at its both ends, the accurate feedback signal of the distance change with displacement sensor 2 is passed through to the one end of piston rod 3 to transmit to slip casting controlling means through the cable conductor, so that slip casting controlling means can inhale the opening size of thick liquid apron 13 according to the displacement signal regulation.
Further specifically, as shown in fig. 2 and 3, the suck-back structure mainly includes: the high-pressure nozzle 14, the sealing piston 16, the first compression spring 18, the second compression spring 19 and the high-pressure water channel, when the high-pressure nozzle is in a non-working state, the sealing piston 16 is propped against the inlet of the high-pressure nozzle 14 through the compression spring to form a one-way sealing structure; when the device works, high-pressure water from the high-pressure water channel overcomes the compression force of the spring, the sealing piston 16 is pushed open and is ejected out at high speed through the nozzle, negative pressure is formed at the slurry back-suction port, and the function of back-suction and slurry return is realized.
As shown in fig. 2 and 3, the pressure sensing section 1 and the sensing section 4 are connected through the transition joint 20 and the first hexagon socket head cap screw 27, and the pressure sensing section 1 is provided with a channel for installing a sensor and a cable.
The displacement sensor 2 is connected to the sensing section 4 through double nuts, and the screwing depth can be freely adjusted.
A third sealing ring 8 is arranged in the middle section of the piston rod 3, two ends of the third sealing ring form two closed cavities through a sequence sealing joint 5 and a guide joint 12 which are provided with a first sealing ring 6 and a fourth sealing ring 10, and the two closed cavities are respectively communicated with a slurry return opening closed oil path and a slurry return opening opened oil path; the right end of the piston rod 3 is connected with a sequential slurry suction cover plate 13 through threads.
The sealing joint 5 is provided with a second sealing ring 7, and two parts of the sealing joint are respectively sealed with the sensing section 4 and the slurry sucking section 9; the guide joint 12 is provided with a fifth sealing ring 11 which forms a seal with the pulp sucking section 9.
The high-pressure nozzle 14 is arranged on the pulp sucking section 9 through self threads, and the middle part of the high-pressure nozzle is provided with a sixth sealing ring 15.
A sealing piston 16 closely attached to an inlet of the high pressure nozzle 14 by a first compression spring 18 and a second compression spring 19 to form a seal; the seventh sealing ring 17 is circumferentially installed on the sealing piston 16 to form a sealing structure.
The sensing section 4 and the pulp sucking section 9 are connected through a transition joint 20 and an eighth sealing ring 21 to form a sealed channel.
The pressure sensor 22 is mounted on the sensing section 4 by its own thread, and a sealing gasket 23.
The pressure diaphragm 25 is mounted in a threaded manner on the sensor section 4 by means of a diaphragm gland 24.
The pressure transmission medium 26 is enclosed in the pressure diaphragm 25 and contacts with the sensing end of the pressure sensor 22 to transmit the external pressure in real time.
The first inner hexagon bolt 27 is respectively connected with the sensing section 4 and the slurry sucking section 9.
The fixed cover plate 28 is mounted on the slurry suction section 9 through a second hexagon socket head cap screw 29, and the middle cavity of the fixed cover plate is used for reciprocating sliding of the slurry suction cover plate 13.
When the pulp suction flap is in the closed state, as shown in fig. 4 and 5, the pulp suction flap 13 is in the closed state. The slurry suction cover plate 13 closes the oil inlet of the oil path, the slurry suction cover plate 13 opens the oil return of the oil path, and the piston rod 3 drives the slurry suction cover plate 13 to move right to seal the slurry return port.
When the suction cover plate is in the open state, as shown in fig. 2 and 3, the formation cement slurry hydraulic pressure acts on the pressure diaphragm 25, and the pressure transmitting medium 26 further transmits the pressure to the sensing end of the pressure sensor 22. The grouting control device receives the pressure signal, controls the slurry suction cover plate 13 to open an oil path for oil inlet, closes the oil path for oil return by the slurry suction cover plate 13, drives the slurry suction cover plate 13 to move left by the piston rod, and gradually opens the slurry return port. The grouting control device simultaneously opens the slurry suction high-pressure water to enter the slurry suction high-pressure water channel, the high-pressure water further enters the end part of the sealing piston 16, the first compression spring 18 and the second compression spring 19 are compressed, the end part of the piston is forced to leave the inlet of the high-pressure nozzle 14, the nozzle channel is opened, the high-pressure water is sprayed out, negative pressure is formed at the slurry suction port, and external cement slurry is sucked and discharged together.
When the piston rod 3 drives the slurry suction cover plate 13 to move left to open the slurry suction port, the distance between the leftmost end surface of the piston rod 3 and the displacement sensor 2 changes synchronously, and at the moment, a displacement signal can be sent to the slurry injection control device, so that the slurry injection control device can accurately master the opening size of the slurry suction port. The grouting control device can simultaneously refer to the pressure of the formation cement slurry and the opening size of the slurry return port so as to further control the slurry suction cover plate to open and close the oil circuit, form opening of any size and accurately control the slurry suction amount.
Therefore, the grouting control system provided by the embodiment of the invention integrates the ground pressure sensing and accurate back suction and slurry pumping functions, successfully realizes the real-time monitoring of the formation grouting pressure, can pump, discharge and reduce the pressure at any time, and always enables the formation grouting pressure to be in a controllable state. The redundant slurry is pumped and discharged in a mode of forming negative pressure by slurry sucking high-pressure water, so that automatic pumping in principle can be realized, and a natural pressure reduction effect is formed; meanwhile, the high-pressure water can dilute the slurry, so that the fluidity of the slurry is enhanced, and the pumping and the drainage are convenient. The grouting control system provided by the embodiment of the invention designs multiple seals at each movable structure, can better avoid being polluted by slurry in a stratum high-pressure environment, and ensures the high reliability of the device.
The grouting control system provided by the embodiment of the invention can pump, discharge and store the redundant slurry in the stratum in a centralized manner, and the construction process is more environment-friendly. Compared with the traditional extensive slurry pumping and discharging mode, the grouting control system provided by the embodiment of the invention really realizes intelligent slurry pumping and controllable ground pressure, has upgrading and updating significance for the traditional grouting process, and realizes digital and intelligent conversion of construction equipment and the construction process.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (7)
1. A method of controlling grouting, comprising:
acquiring the pressure data of the current formation cement slurry in real time;
comparing the current formation cement slurry pressure data with a preset cement slurry pressure value to obtain a comparison result;
generating a control signal according to the comparison result, wherein the control signal is used for controlling an execution mechanism to execute cement slurry injection, excess cement slurry suction or stop cement slurry injection;
wherein, the comparing the current formation cement slurry pressure data with a preset cement slurry pressure value and obtaining a comparison result comprises:
judging whether the current formation cement slurry pressure data is larger than the preset cement slurry pressure value or not;
if the pressure data of the current formation cement slurry is larger than the preset cement slurry pressure value, judging that the current formation cement slurry is subjected to excessive overpressure grouting;
if the current stratum cement slurry pressure data is smaller than the preset cement slurry pressure value, judging that the current stratum cement slurry is insufficient for grouting;
if the current formation cement slurry pressure data is equal to the preset cement slurry pressure value, judging that the current formation cement slurry injection meets the requirement;
wherein, the said control signal that produces according to the said comparative result, the said control signal is used for controlling the actuating mechanism to carry out cement thick liquid and pour into, the suction of surplus cement thick liquid or stop cement thick liquid and pour into, include:
if the current formation cement grout is subjected to excessive overpressure grouting, generating a first control signal, wherein the first control signal is used for controlling the suction of redundant cement grout;
the first control signal is used for controlling the slurry suction port cover plate to be opened, and is used for controlling the high-pressure nozzle to spray high-pressure water into the formation cement slurry and controlling the extraction of redundant cement slurry.
2. The grouting control method according to claim 1, wherein generating a control signal for controlling an actuator to perform cement slurry injection, suction of excess cement slurry or stop cement slurry injection according to the comparison result comprises:
and if the current stratum cement grout is insufficient in grouting, generating a second control signal, wherein the second control signal is used for controlling the injection of the cement grout.
3. The grouting control method according to claim 1, wherein generating a control signal for controlling an actuator to perform cement slurry injection, suction of excess cement slurry or stop cement slurry injection according to the comparison result comprises:
and if the current formation cement grout injection meets the requirement, generating a third control signal, wherein the third control signal is used for controlling to stop cement grout injection.
4. A grouting control device for implementing the grouting control method according to any one of claims 1 to 3, comprising:
the acquisition module is used for acquiring the pressure data of the current formation cement slurry in real time;
the comparison module is used for comparing the current formation cement slurry pressure data with a preset cement slurry pressure value and obtaining a comparison result;
and the control module is used for controlling the injection of cement grout, the suction of redundant cement grout or the stop of the injection of cement grout according to the comparison result.
5. A grouting control system, comprising: the grouting control device comprises a ground pressure sensing device, an actuating mechanism and the grouting control device as claimed in claim 4, wherein the ground pressure sensing device and the actuating mechanism are both in communication connection with the grouting control device;
the ground pressure sensing device is used for acquiring the pressure data of the current formation cement slurry in real time;
the grouting control device is used for generating a control signal according to the comparison result of the current formation cement slurry pressure data and a preset cement slurry pressure value;
and the executing mechanism is used for controlling the executing mechanism to execute cement slurry injection, excess cement slurry suction or stop cement slurry injection according to the control signal.
6. The grouting control system of claim 5, wherein the ground pressure sensing device comprises a pressure diaphragm, a pressure transmission medium and a pressure sensor, the pressure diaphragm is used for sensing the pressure of the formation cement grout, the pressure transmission medium is used for transmitting the pressure of the formation cement grout sensed by the pressure diaphragm to the pressure sensor, and the pressure sensor is used for generating a current formation cement grout pressure data signal according to the pressure of the current formation cement grout and sending the current formation cement grout pressure data signal to the grouting control device.
7. The grouting control system of claim 5, wherein the actuator comprises: displacement sensor, sealing piston, piston rod, inhale thick liquid apron, high-pressure nozzle, the piston rod can drive under slip casting controlling means's control inhale the thick liquid apron and remove, displacement sensor can detect inhale the distance that the thick liquid apron removed to the displacement signal who inhales the thick liquid apron that will detect sends to slip casting controlling means, sealing piston can open the nozzle passageway so that high-pressure nozzle blowout high pressure water under slip casting controlling means's control.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101392529A (en) * | 2008-10-31 | 2009-03-25 | 北京市三一重机有限公司 | Bored pile control method, control system and drill using the control system |
| CN101864966A (en) * | 2010-06-09 | 2010-10-20 | 北京市三一重机有限公司 | Control method of grouting of shield machine and system thereof |
| CN103790152A (en) * | 2014-01-17 | 2014-05-14 | 株式会社N.I.T. | Slurry-discharge-free high-pressure jet grouting system with pressure in ground controllable and construction method |
| CN107503733A (en) * | 2017-10-18 | 2017-12-22 | 徐工集团工程机械有限公司 | High pressure jet grouting parameter monitoring system, method and high-pressure rotary-spray rig |
| CN108612545A (en) * | 2018-04-18 | 2018-10-02 | 北京交通大学 | A kind of sand-pebble layer passes through the compound slip-casting lifting engineering method of existing facility active control |
| CN109681192A (en) * | 2019-02-02 | 2019-04-26 | 江苏省无锡探矿机械总厂有限公司 | A kind of stratum slip casting feedback pressure sensing device |
-
2019
- 2019-12-31 CN CN201911412339.1A patent/CN111058450B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101392529A (en) * | 2008-10-31 | 2009-03-25 | 北京市三一重机有限公司 | Bored pile control method, control system and drill using the control system |
| CN101864966A (en) * | 2010-06-09 | 2010-10-20 | 北京市三一重机有限公司 | Control method of grouting of shield machine and system thereof |
| CN103790152A (en) * | 2014-01-17 | 2014-05-14 | 株式会社N.I.T. | Slurry-discharge-free high-pressure jet grouting system with pressure in ground controllable and construction method |
| CN107503733A (en) * | 2017-10-18 | 2017-12-22 | 徐工集团工程机械有限公司 | High pressure jet grouting parameter monitoring system, method and high-pressure rotary-spray rig |
| CN108612545A (en) * | 2018-04-18 | 2018-10-02 | 北京交通大学 | A kind of sand-pebble layer passes through the compound slip-casting lifting engineering method of existing facility active control |
| CN109681192A (en) * | 2019-02-02 | 2019-04-26 | 江苏省无锡探矿机械总厂有限公司 | A kind of stratum slip casting feedback pressure sensing device |
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