CN111007793A - Digital construction system and method for cement soil mixing pile - Google Patents
Digital construction system and method for cement soil mixing pile Download PDFInfo
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- CN111007793A CN111007793A CN201911284262.4A CN201911284262A CN111007793A CN 111007793 A CN111007793 A CN 111007793A CN 201911284262 A CN201911284262 A CN 201911284262A CN 111007793 A CN111007793 A CN 111007793A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/054—Input/output
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/46—Concrete or concrete-like piles cast in position ; Apparatus for making same making in situ by forcing bonding agents into gravel fillings or the soil
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/11—Plc I-O input output
- G05B2219/1103—Special, intelligent I-O processor, also plc can only access via processor
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Abstract
The invention discloses a digital construction system and a digital construction method for a cement-soil mixing pile, wherein the digital construction system comprises the following steps: a control system, a monitoring system and a terminal system; control system is including batching stirring module, spout a module, PLC control module and touch-sensitive screen, batching stirring module, spout a module and touch-sensitive screen respectively with PLC control module electric connection, monitored control system includes construction data processing module, positioning monitoring module and resource management module, through monitored control system is with the all-round integration of parameter, position, the behavior of cement mixing stake machine, real-time supervision, analysis construction data improve the standardization and the accuracy of construction, monitored control system, terminal system with touch-sensitive screen electric connection realize with control system's data transmission. By adopting the digital construction system and the method, the construction efficiency and the construction quality are improved, and the construction process is more standardized, more refined and more intelligent.
Description
Technical Field
The invention relates to the field of geotechnical engineering, in particular to a digital construction system and method for a cement soil mixing pile.
Background
A cement-soil mixing pile is used to reinforce the saturated soft clay foundation, and features that cement is used as solidifying agent, the deep soft soil and solidifying agent are forcibly mixed by special mixing machine, and the solidified agent and soft soil are chemically and physically reacted to form a high-quality foundation with integrity, water stability and strength.
Conventional traditional construction generally adopts artifical control device to accomplish the construction, and a series of shortcomings often appear because of the artificial subjective factor in the configuration of every equipment: the cost of labor is high, the efficiency of construction is low, artifical record data is incomplete, construction quality control is difficult, the operation standardization of unable real-time supervision construction etc. the operating duration of cement mixing pile is longer, the stability of construction quality is seriously influenced to the above circumstances, the operation standardization of unable assurance construction.
Disclosure of Invention
In order to solve the technical problems, improve the quality of a mixing pile and realize automatic control and real-time monitoring of the construction process, the invention discloses a digital construction system of a cement mixing pile, which comprises the following steps: a control system, a monitoring system and a terminal system; control system is including batching stirring module, spout a module, PLC control module and touch-sensitive screen, batching stirring module, spout a module and touch-sensitive screen respectively with PLC control module electric connection, monitored control system includes construction data processing module, location monitoring module and resource management module, through monitored control system is with cement soil mixing pile machine's parameter, position, the all-round integration of operational aspect, real-time supervision, analysis construction data improve the standardization and the accuracy of construction, monitored control system, terminal system with touch-sensitive screen electric connection realize with control system's data transmission, monitored control system is used for integratively, monitors, analysis data, thereby adjusts control system's parameter optimizes construction system, terminal system is used for construction system's remote management.
Preferably, the batching and stirring module comprises a batching assembly, a stirrer and a slurry storage device, the batching assembly comprises a water scale, a cement scale and an additive scale, the batching assembly adopts a PR weighing module, construction parameters of batching, stirring and discharging processes are set and adjusted through a touch screen, digital control of the batching and stirring process is realized, the PR weighing module has the characteristics of high metering precision and high sampling speed, the batching precision can be further improved, and the monitoring system can accurately master material resource consumption and residual conditions.
Preferably, the ground paste storage device is equipped with the ultrasonic wave charge level indicator, PLC control module gathers whether ultrasonic wave charge level indicator real-time supervision's material level signal judgement is unloaded, when the material level was too high, for preventing the ground paste storage device flash, control system forbids the mixer automatically and unloads, works as when the material level of ground paste storage device can be enough to hold the batching, allows the mixer is unloaded.
Preferably, the pile-spraying module comprises a material pressing machine and material spraying equipment, the PLC control module can adjust the output slurry flow of the material pressing machine through a frequency conversion signal, the output slurry flow is positively correlated with the frequency of the frequency conversion signal, the material pressing machine is connected with the slurry storage equipment and the material spraying equipment through a pipeline, and slurry in the slurry storage equipment is conveyed to the material spraying equipment.
Preferably, a flow sensor and a pressure sensor are arranged at the outlet of the pipeline of the material pressing machine, so that the PLC control module can acquire the flow parameter and the pressure parameter of the output slurry flow.
Preferably, a position encoder is arranged on a drilling machine of the material spraying equipment to obtain a position signal of the drilling machine, the PLC control module calculates the moving speed according to the position signal so as to calculate and obtain the required slurry flow rate at the position moving speed, PID operation is carried out by taking the required slurry flow rate and the output slurry flow rate as input values, and the PLC control module controls the output slurry flow rate according to the PID operation result so that the output slurry flow rate is consistent with the required slurry flow rate, thereby realizing fine construction and improving the pile forming quality.
Preferably, the construction data processing module comprises a data acquisition module and a data analysis module, the data acquisition module acquires construction data in the construction process and uploads the construction data to the terminal system, the data analysis module is used for integrating and analyzing the construction data, the setting of construction parameters of each module of the control system is gradually optimized according to an analysis result, the parameter setting can be carried out according to different types of cement mixing pile driver types, and the construction process is accurate and standardized;
preferably, the positioning monitoring module is used for identifying and positioning the pile machines on the construction site, and comprises positioning monitoring based on an image identification technology and positioning monitoring based on a GPS technology, the positioning monitoring based on the image identification technology can pre-store a construction site digital map, image identification is carried out by using a video monitoring system on the construction site, the position of each pile machine is presented on the digital map, and the positioning monitoring based on the GPS technology realizes accurate identification by installing a GPS system; so as to realize the quick positioning of the cement-soil mixing pile.
Preferably, the resource management module comprises an equipment resource module and a material resource module, the equipment resource module can monitor the state of the construction equipment, and the material resource module can dynamically display used equipment resource information and material resource information in the construction process through the terminal system, wherein the information comprises the quantity, the surplus, the usage amount and the like, so that the resource can be supplemented and managed, the operation condition of the mixing pile can be monitored and managed in real time, and the standardized and standardized management of the mixing pile in use can be realized.
Preferably, the terminal system comprises a mobile terminal or a webpage terminal, the terminal system is provided with a cloud server module and a database module, the cloud server module can preprocess data and transmit the data to the database module for data storage, and the mobile terminal or the webpage terminal can remotely access the data in the cloud server module for visual display and management.
Preferably, the touch screen is a Kunlun normal touch screen, and the Kunlun normal touch screen can realize the simulation display of the production flow.
Preferably, the monitoring system is further provided with a personnel management module for attendance checking and permission setting of personnel.
The method for utilizing the cement mixing pile to construct the system digitally comprises the following steps: a control step and a monitoring step, wherein,
the controlling step further comprises the steps of:
step S11: setting construction parameters through a touch screen according to construction process requirements; the construction parameters at least comprise: material mixing parameters, stirring parameters and guniting parameters;
step S12: the batching component automatically carries out batching according to the set batching parameters; after the materials are mixed, the materials are sequentially and automatically put into a stirrer;
step S13: the stirrer performs full-automatic stirring according to the set stirring parameters;
step S14: the system carries out unloading judgment, and the stirrer unloads the slurry to the slurry storage device under the condition of allowing unloading;
step S15: the material pressing machine extracts slurry to the pile spraying equipment;
step S16: controlling the pile spraying equipment to spray the pile, and adjusting the flow of output slurry in real time in the pile spraying process;
the monitoring step comprises the following steps:
step S21: acquiring data of the cement soil mixing pile in real time, wherein the data comprises construction data and positioning data;
step S22: the system uploads data to a cloud server module for preprocessing, wherein the preprocessing process comprises the step of utilizing a data analysis module to perform statistical analysis on construction data of the cement soil mixing pile;
step S23: the cloud server module stores the processed data into the database module;
step S24: and the terminal system remotely accesses the cloud server module and calls and manages the data in the database module.
Preferably, in the step S14, the discharging judgment is to obtain a material level signal of an ultrasonic material level meter in the slurry storage device, determine the material level state, and automatically prohibit the stirrer from discharging when the material level is too high, otherwise, allow the stirrer to discharge.
Preferably, the adjusting the flow rate of the slurry in real time comprises: the method comprises the steps of obtaining a position signal of a drilling machine of the material spraying equipment, calculating the required slurry flow according to the position signal, obtaining the output slurry flow at the outlet of a pipe of the material pressing machine, carrying out PID (proportion integration differentiation) operation on the system by taking the required slurry flow and the output slurry flow as input values, and carrying out frequency conversion control on the output slurry flow of the material pressing machine according to the PID operation result to enable the output slurry flow to be consistent with the required slurry flow.
Preferably, the stirring parameters include, but are not limited to: the number of stirring discs, the stirring time and the unloading time of the stirrer; the guniting parameters include, but are not limited to: pile body number, grouting length, and slurry weight per unit length, wherein the construction parameters include but are not limited to: material proportioning parameters, stirring parameters and guniting parameters.
The invention has the beneficial effects that:
(1) the construction system and the construction method of the invention integrate all working modules in the construction process by sensing, adopt a digital system to control and monitor the construction quality, utilize the control system and the monitoring system to work cooperatively, realize the automatic, standardized and intelligent construction working mode, and ensure the standardization and the refinement of the construction of the cement soil mixing pile; and can pass through monitoring system's analysis, independently discover the problem that soil cement mixing pile exists in the in-service use, improve the operating efficiency of soil cement mixing pile, guarantee construction quality.
(2) Because the batching process directly influences the quality and the speed of the spray pile, in order to improve the quality and the speed of the spray pile, the batching component is upgraded, the PR weighing module is adopted, and the PR weighing module is electrically connected with the PLC control module to control the proportioning so as to monitor the batching use, cumulant and residual conditions in real time.
(3) The pile spraying process is upgraded, the system firstly stirs the mixture according to the proportion, the mixture is conveyed to the material spraying device by the material pressing machine for spraying, and the material spraying flow is automatically adjusted according to the speed calculated by the position encoder in the material spraying process, so that the aims of uniformly spraying the pile body and keeping the pile spraying quality are fulfilled; meanwhile, operations such as storage, uploading and downloading of construction data are performed through the touch screen, automatic printing and storage can be set according to construction specifications, and the problems that construction quality control is difficult, data records are incomplete, construction normative detection cannot be implemented and other defects caused by human factors due to manual operation are avoided.
(4) The invention carries out human-computer interaction and remote control of the parameters of each module of the construction system through the touch screen and the terminal system, thereby realizing unattended automatic construction control and visual management; according to the construction system and the construction method, a large amount of parameter data in the construction process are integrated and analyzed through the data acquisition module and the data analysis module of the monitoring system, the optimized construction parameters are obtained, and the construction system is more standardized and accurate according to the optimized construction parameters.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a schematic structural diagram of a digital construction system for a soil-cement mixing pile according to the present invention;
FIG. 2 is a flow chart illustrating the control steps of the digital construction method of the soil-cement mixing pile according to the present invention;
FIG. 3 is a schematic view illustrating a flow of monitoring steps of the digital construction method of a soil-cement mixing pile according to the present invention;
FIG. 4 is a schematic flow diagram of the ingredient blending process of the present invention;
FIG. 5 is a schematic process flow diagram of the stirring process of the present invention;
fig. 6 is a schematic flow chart of adjusting the slurry flow rate in real time according to the present invention.
Detailed Description
The technical solutions 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.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
As shown in fig. 1 to 6, the present embodiment provides a digital construction system for a soil cement mixing pile, including: the system comprises a control system 1, a monitoring system 2 and a terminal system 3; the control system 1 comprises a batching and stirring module 11, a pile spraying module 12, a PLC control module 13 and a touch screen 14, wherein the batching and stirring module 11, the pile spraying module 12 and the touch screen 14 are respectively electrically connected with the PLC control module 13, the batching and stirring module 11 comprises a batching component 111, a stirrer 112 and a slurry storage device 113, the batching component 111 comprises 111-1, a cement scale 111-2 and an additive scale 111-3, the batching component 111 adopts a PR weighing module, the pile spraying module 12 comprises a material pressing machine 121 and a material spraying device 122, the PLC control module 13 can adjust the output slurry flow of the material pressing machine 121 through a frequency conversion signal, the output slurry flow is in positive correlation with the frequency of the frequency conversion signal, the material pressing machine 121 is connected with the slurry storage device 113 and the material spraying device 122 through a pipeline, the slurry in the slurry storage device 113 is conveyed to the material spraying device 122, the slurry storage device 113 is provided with an ultrasonic material level meter 113, the PLC control module 13 of this embodiment collects the level signal monitored by the ultrasonic level meter 113-1 in real time, and when the level is too high, the command control system 1 automatically prohibits the mixer 112 from discharging in order to prevent the slurry storage device 113 from overflowing, and allows the mixer 112 to discharge when the level of the slurry storage device 113 can sufficiently accommodate the ingredients. A flow sensor 121-1 and a pressure sensor 121-1 are arranged at the outlet of the pipeline of the swaging machine 121, so that the PLC control module 13 can acquire the pressure parameter and the flow parameter of the output slurry flow of the output slurry. The position encoder 122-2 is arranged on the drilling machine 122-1 of the material spraying equipment 122 to obtain a position signal of the drilling machine 122-1, the PLC control module 13 calculates the moving speed according to the position signal so as to obtain the required slurry flow rate at the position moving speed, PID operation is carried out by taking the required slurry flow rate as an input value, and the PLC control module 13 controls the output slurry flow rate according to the PID operation result so as to enable the output slurry flow rate to be consistent with the required slurry flow rate.
The monitoring system 2 aims at realizing intelligent remote control of the cement mixing pile, and comprises a construction data processing module 21, a positioning monitoring module 22 and a resource management module 23, wherein the monitoring system 2, the terminal system 3 and the touch screen 14 are electrically connected to realize data transmission. The construction data processing module 21 comprises a data acquisition module 211 and a data analysis module 212; the positioning monitoring module 22 comprises a positioning monitoring module 221 based on an image recognition technology and a positioning monitoring module 222 based on a GPS technology, wherein the positioning monitoring module 221 based on the image recognition technology can prestore a digital map of a construction site, a video monitoring system of the construction site is used for identification, the position of each pile machine is shown on the digital map, and the positioning monitoring module 222 based on the GPS technology realizes accurate identification by installing a GPS system; so as to realize the quick positioning of the cement-soil mixing pile. The resource management module 23 comprises an equipment resource module 231 and a material resource module 232, the equipment resource module 231 can monitor the state of the construction equipment, and the material resource module 232 can dynamically display information such as the quantity, the surplus, the usage amount and the like of used equipment resources and material resources in the construction process through the terminal system 3 to realize digital resource management, so that standardized and standardized management in the use of the cement soil mixing pile is realized.
The terminal system 3 comprises a mobile terminal 31 or a webpage terminal 32, the terminal system 3 is provided with a cloud server module and a database module, the cloud server module can preprocess data and transmit the data to the database module for data storage, and the mobile terminal 31 or the webpage terminal 32 is used for achieving remote acquisition, visual display and construction data control.
The touch screen 14 of this embodiment adopts the touch-sensitive screen of Kunlun Tong attitude, and the touch-sensitive screen of Kunlun Tong attitude can realize the analog display to production flow, and touch screen 14 can be connected the external printing equipment and carry out printout and can upload and download data in real time with the data of production process, more vivid comprehensive demonstration work progress and control work progress. The monitoring system 2 is also provided with a personnel management module, including personnel attendance and personnel permission setting.
The digital construction method of the digital construction system by utilizing the cement mixing pile comprises the following steps: a control step and a monitoring step, wherein,
the controlling step further comprises the steps of:
step S11: setting construction parameters through a touch screen according to construction process requirements; the construction parameters include, but are not limited to: material mixing parameters, stirring parameters and guniting parameters; the agitation parameters include, but are not limited to: the number of stirring discs, the stirring time and the unloading time of the stirrer; the guniting parameters include, but are not limited to: pile body number, grouting length, slurry weight per unit length;
step S12: the batching component automatically carries out batching according to the set batching parameters; after the materials are mixed, the materials are sequentially and automatically put into a stirrer;
step S13: the stirrer performs full-automatic stirring according to the set stirring parameters;
step S14: the system carries out unloading judgment, and the stirrer unloads the slurry to the slurry storage device under the condition of allowing unloading; the discharging judgment is to obtain a material level signal of an ultrasonic material level meter in the slurry storage device, determine the material level state, automatically forbid the stirrer to discharge when the material level is too high, and otherwise, allow the stirrer to discharge;
step S15: the material pressing machine extracts slurry to the pile spraying equipment;
step S16: controlling the pile spraying equipment to spray the pile, and adjusting the flow of output slurry in real time in the pile spraying process; the real-time adjustment of the slurry flow rate comprises the following steps: acquiring a position signal of a drilling machine of the material spraying equipment, calculating the required slurry flow according to the position signal, and simultaneously acquiring the output slurry flow at the outlet of a pipeline of a material pressing machine, wherein the system performs PID (proportion integration differentiation) operation by taking the required slurry flow and the output slurry flow as input values, and controls the output slurry flow of the material pressing machine according to the PID operation result in a frequency conversion manner, so that the output slurry flow is consistent with the required slurry flow;
the monitoring step comprises the following steps:
step S21: acquiring data of the cement soil mixing pile in real time, wherein the data comprises construction data and positioning data;
step S22: the system uploads data to a cloud server module for preprocessing, wherein the preprocessing process comprises the step of utilizing a data analysis module to perform statistical analysis on construction data of the cement soil mixing pile; the statistical analysis result is used for carrying out comparative analysis and optimizing a construction scheme;
step S23: the cloud server module stores the processed data into the database module;
step S24: and the terminal system remotely accesses the cloud server module and calls and manages the data in the database module.
When the construction system and the method are applied for construction, a user sets a formula according to a material proportioning by adopting a PR weighing module water scale 111-1, a cement scale 111-2 and an additive scale 111-3 according to a process requirement of pile spraying, then puts the materials into a stirrer 112 in sequence, sets stirring parameters of the stirrer 112 through a touch screen 14 for stirring, wherein the stirring parameters comprise whether continuous stirring is performed or not, the number of stirring discs, stirring time, the unloading time of the stirrer and the like, the user can stop production or modify parameter setting, for example, the stirring time is prolonged, after stirring is completed, the stirrer 112 unloads the materials into a slurry storage device 113, the commonly used slurry storage device 113 is a slurry pool, the slurry storage device 113 continuously stirs the materials for preventing slurry precipitation, an ultrasonic material level meter 113-1 is arranged in the slurry storage device 113, and the material level of the slurry storage device 113 can be monitored in real time, when the level is too high, the system automatically prohibits discharge, otherwise, the blender 112 is allowed to discharge. During pile spraying, the touch screen 14 is used for setting the guniting parameters, the material pressing machine 121 can extract slurry according to the guniting parameters and convey the slurry to the guniting equipment 122 through a pipeline, in the process, the moving speed of lifting and descending of the material pressing machine can be calculated according to the position encoder 122-2 of the drilling machine 122-1 of the guniting equipment 122, so that the slurry flow is adjusted according to the moving speed, the pile body quality is improved, and data, including the slurry amount, the slurry flow, the grouting pressure and the like, are recorded every 10cm of lifting of a pile foundation. The touch screen 14 uploads the construction parameters of the control system to the cloud server module 33, the cloud server module 33 stores the construction parameters into the database module 34 after preprocessing, and the preprocessing process includes calculating a total value, a maximum value, a minimum value, an average value and the like, so that managers can check and know the site construction conditions in real time through logging in the webpage terminal 32 or the mobile phone terminal 31, and the parameters include displaying the construction process, inquiring the batching data, displaying the pressure and flow trend of the pile spraying process, displaying the material consumption of a pile body and the like.
Before material spraying is started, construction parameters are input in advance through the touch screen 14, when material spraying is started, the material pressing machine 121 is started along with the starting of the material spraying equipment 122, the system calculates the moving speed according to position signals of the material spraying equipment 122, PID operation is carried out on the initial flow and the required slurry flow when the material pressing machine 121 is started according to the moving speed, and the frequency conversion of the material pressing machine 121 is automatically adjusted according to the operation result, so that the pile forming quality is improved. In the whole construction process, the touch screen 14 can be used for carrying out visual display, storing construction parameters and uploading the construction parameters in a simulated animation mode, and can also be connected with external printing equipment for printing. The data acquisition module 211 and the data analysis module 212 of the monitoring system 2 acquire a large amount of data of the construction process, the data of the data acquisition module 211 mainly comprises construction parameters such as drilling machine speed, pipeline pressure and feeding weight, the data analysis module 212 comprises functions such as a graphic report form and process line analysis, construction data under different driving depths of multiple different cement soil mixing piles are contrastively analyzed, the analysis data can be called through the mobile phone terminal 31 or the webpage terminal 32 and visually displayed, an optimal scheme is selected from multiple groups of data, and initial parameter adjustment is performed according to the data. The monitoring system 2 integrates the position, parameters, efficiency, operation status, etc. of the soil cement mixing pile into the system through the positioning monitoring module 22 and the resource management module 23, and the positioning technology, the equipment resource module 231 and the material resource module 232.
In conclusion, according to the technical scheme provided by the invention, each working module in the construction process is integrated by sensing, the construction quality is controlled and monitored by adopting a digital system, and the control system and the monitoring system work cooperatively, so that the construction system realizes automatic, standardized and intelligent work, and the standardization and refinement of the construction of the cement-soil mixing pile are ensured; and the problems of the cement-soil mixing pile in the actual use process can be automatically found through the analysis of the monitoring system, the operation efficiency of the cement-soil mixing pile is improved, and the construction quality is ensured.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein. In addition, the technical solutions between the various embodiments can be combined with each other, but must be based on the realization of those skilled in the art; where combinations of features are mutually inconsistent or impractical, such combinations should not be considered as being absent and not within the scope of the claimed invention.
Claims (14)
1. Digital construction system of cement mixing pile, its characterized in that includes: a control system, a monitoring system and a terminal system; control system is including batching stirring module, spout a module, PLC control module and touch-sensitive screen, batching stirring module, spout a module and touch-sensitive screen respectively with PLC control module electric connection is under construction, monitored control system includes construction data processing module, location monitoring module and resource management module, is used for construction system's parameter integration, monitoring and analysis, monitored control system, terminal system with touch-sensitive screen electric connection realize with control system's data transmission, terminal system is used for construction system's remote management.
2. The digital construction system of the soil-cement mixing pile as claimed in claim 1, wherein the batching and mixing module comprises a batching assembly, a mixer and a slurry storage device, the batching assembly comprises a water scale, a cement scale and an additive scale, and the batching assembly adopts a PR weighing module.
3. The digital construction system for the cement-soil mixing pile as claimed in claim 2, wherein the slurry storage device is provided with an ultrasonic material level meter, and the PLC control module collects material level signals monitored by the ultrasonic material level meter in real time.
4. The digital construction system for cement-soil mixing piles as claimed in any one of claim 3, wherein the pile-spraying module comprises a material pressing machine and a material spraying device, the PLC control module can adjust the output slurry flow rate of the material pressing machine through a frequency conversion signal, the output slurry flow rate is in positive correlation with the frequency of the frequency conversion signal, the material pressing machine is connected with the slurry storage device and the material spraying device through a pipeline, and slurry in the slurry storage device is conveyed to the material spraying device.
5. The digital construction system of cement-soil mixing pile as claimed in claim 4, characterized in that a flow sensor and a pressure sensor are arranged at the outlet of the pipeline of the pressing machine, so that the PLC control module can obtain the flow parameter and the pressure parameter of the output slurry flow.
6. The digital construction system of cement-soil mixing pile as claimed in claim 5, wherein a position encoder for acquiring a position signal is provided on the drilling machine of the material spraying device, the PLC control module calculates the slurry flow rate required for the movement of the position according to the position signal and performs PID operation, and the output slurry flow rate can be controlled according to the PID operation result to be consistent with the required slurry flow rate.
7. The digital construction system of cement-soil mixing pile as claimed in any one of claims 1-6, wherein the construction data processing module comprises a data acquisition module and a data analysis module, the data acquisition module is used for acquiring construction data in the construction process and uploading the construction data to the terminal system, and the data analysis module is used for the integrated analysis of the construction data.
8. The digital construction system for cement-soil mixing piles as claimed in claim 7, wherein the location monitoring module comprises location monitoring based on image recognition technology and location monitoring based on GPS technology.
9. The digital construction system of cement-soil mixing pile of claim 8, characterized in that the resource management module comprises an equipment resource module and a material resource module, the equipment resource module can monitor the status of the construction equipment, and the material resource module can dynamically display the used equipment resource information and material resource information in the construction process through the terminal system.
10. The digital construction system of cement-soil mixing pile according to claim 9, characterized in that the terminal system comprises a mobile terminal or a web terminal, the terminal system is loaded with a cloud server module and a database module, and the cloud server module can use the data analysis module to preprocess data and transmit the data to the database module for data storage.
11. The digital construction method using the digital construction system for soil-cement mixing piles as set forth in any one of claims 1 to 10, which essentially comprises: a control step and a monitoring step, wherein the control step further comprises the following steps:
step S11: setting construction parameters through a touch screen according to construction process requirements; the construction parameters at least comprise: material mixing parameters, stirring parameters and guniting parameters;
step S12: the batching component automatically carries out batching according to the set batching parameters; after the materials are mixed, the materials are sequentially and automatically put into a stirrer;
step S13: the stirrer performs full-automatic stirring according to the set stirring parameters;
step S14: the system carries out unloading judgment, and the stirrer unloads the slurry to the slurry storage device under the condition of allowing unloading;
step S15: the material pressing machine extracts slurry to the pile spraying equipment;
step S16: controlling the pile spraying equipment to spray the pile, and adjusting the flow of output slurry in real time in the pile spraying process;
the monitoring step comprises the following steps:
step S21: acquiring data of the cement soil mixing pile in real time, wherein the data comprises construction data and positioning data;
step S22: the system uploads data to a cloud server module for preprocessing, wherein the preprocessing process comprises the step of utilizing a data analysis module to perform statistical analysis on construction data of the cement soil mixing pile;
step S23: the cloud server module stores the processed data into the database module;
step S24: and the terminal system remotely accesses the cloud server module and calls and manages the data in the database module.
12. The method of claim 11, wherein in step S14, the discharging determination is to obtain a level signal from an ultrasonic level gauge in the slurry storage device, determine the level status, and automatically prohibit discharging from the mixer when the level is too high, otherwise, allow discharging from the mixer.
13. The method of claim 11, wherein said adjusting the flow rate of slurry in real time comprises: the method comprises the steps of obtaining a position signal of a drilling machine of the material spraying equipment, calculating the required slurry flow according to the position signal, obtaining the output slurry flow at the outlet of a pipe of the material pressing machine, carrying out PID (proportion integration differentiation) operation on the system by taking the required slurry flow and the output slurry flow as input values, and carrying out frequency conversion control on the output slurry flow of the material pressing machine according to the PID operation result to enable the output slurry flow to be consistent with the required slurry flow.
14. The method of claim 11, wherein the agitation parameters include, but are not limited to: the number of stirring discs, the stirring time and the unloading time of the stirrer; the guniting parameters include, but are not limited to: pile body number, grouting length, and slurry weight per unit length, wherein the construction parameters include but are not limited to: material proportioning parameters, stirring parameters and guniting parameters.
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