CN110954196A - Earth pressure balance shield earth output monitoring system based on belt weighing - Google Patents
Earth pressure balance shield earth output monitoring system based on belt weighing Download PDFInfo
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- CN110954196A CN110954196A CN201911287157.6A CN201911287157A CN110954196A CN 110954196 A CN110954196 A CN 110954196A CN 201911287157 A CN201911287157 A CN 201911287157A CN 110954196 A CN110954196 A CN 110954196A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G11/00—Apparatus for weighing a continuous stream of material during flow; Conveyor belt weighers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/18—Indicating devices, e.g. for remote indication; Recording devices; Scales, e.g. graduated
- G01G23/36—Indicating the weight by electrical means, e.g. using photoelectric cells
- G01G23/37—Indicating the weight by electrical means, e.g. using photoelectric cells involving digital counting
- G01G23/3728—Indicating the weight by electrical means, e.g. using photoelectric cells involving digital counting with wireless means
Abstract
The system for monitoring the soil discharge amount of the earth pressure balance shield based on belt weighing comprises a bottom layer communication module, a data acquisition module, a data management module, a calculation analysis module and an interface display and operation module. The invention measures and displays the soil output in real time by a reliable digital means, and adapts to the construction requirements of refinement and informatization of the current shield; reasonableness analysis is automatically carried out, soil discharge amount early warning is set, timely adjustment is convenient for operators, and safety and stability of shield tunneling are guaranteed; the invention organically combines and synchronizes the shield soil output and the shield tunneling parameters, thereby realizing dynamic monitoring of the change of the soil output, achieving the purposes of real-time monitoring and real-time control, realizing the matching of the soil output and the tunneling parameters and ensuring the construction safety.
Description
Technical Field
The invention belongs to the technical field of subway tunnel construction application, and particularly relates to a belt weighing-based earth pressure balance shield earth output monitoring system.
Background
The shield method is a construction method for underground excavation of a tunnel in a soil layer or a rock layer below the earth surface. Since 1818 France engineer Brruorol (Brunel) invented shield method, after more than a hundred years of application and development, the shield method can be applied to construction under any hydrogeological conditions, and the shield method can be used for soft, hard, underground water-containing and groundwater-free dark excavation tunnel engineering.
The shield earth output directly reflects the stratum loss condition after shield tunneling, and also closely influences the control of mechanical parameters such as the tunneling speed, the total thrust, the cutter head torque and the like of the shield. The method is an important task for shield construction management and is also an important means for ensuring stability of an excavation surface and controlling surface subsidence.
At present, the monitoring and management of the soil output in the subway construction at home and abroad are basically estimation and measurement of constructors, generally, the method of counting soil buckets through experience is adopted, and obviously, the method has the defects of excessive human factors, difficulty in controlling precision, rough calculation mode, large error and serious construction delay. With the development of electronic technology, the laser belt scale section scanning unearthed amount measurement is newly provided, but the scheme is influenced by a plurality of external environment interference factors and poor maintenance factors, and in addition, the nucleon scale unearthed amount measurement method is controlled due to the safety problem, so that the application cannot be popularized.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in the existing subway construction, the real-time performance of the soil discharge measurement of the shield machine is not enough, and workers cannot timely and effectively master the soil discharge and the tunneling condition of the shield machine.
The technical scheme of the invention is as follows: the system for monitoring the earth pressure balance shield earth output based on belt weighing comprises a bottom layer communication module, a data acquisition module, a data management module, a calculation analysis module and an interface display and operation module,
a bottom layer communication module: the system is used for realizing communication with a PLC (programmable logic controller) of the shield machine main controller and a weighing system through a communication protocol of a PLC system of the shield machine;
a data acquisition module: the system is used for acquiring real-time operation data of the shield tunneling machine, acquiring data of a weighing system in real time and sending the data to the data management module;
a data management module: the data acquisition module is used for acquiring data of a user, receiving the data sent by the data acquisition module, storing the received data in a queue mode, transmitting the data to the calculation analysis module in an event mode, and storing result data generated by the calculation analysis module;
a calculation analysis module: the system is used for calculating the real-time soil output and the shield machine propelling stroke according to the weighing system data and the shield machine real-time operation data, carrying out reasonability analysis on the real-time soil output and the shield machine propelling stroke according to a set threshold value, and transmitting an analysis result to an interface display and operation module in a chart and numerical mode;
the interface display and operation module comprises: the system is used for receiving and displaying the graphs and numerical data of the calculation and analysis module and providing a human-computer interaction interface.
Furthermore, the interface display and operation module adopts WPF as a UI framework.
Further, the data stored by the data management module are transmitted to the remote monitoring platform.
The invention provides a shield soil output monitoring and management system based on belt weigher weighing. The electronic belt scale can measure the instantaneous flow and cumulant of the passing material on the belt conveyor under the condition of not interrupting the material flow, has the error precision within 3 percent, namely the weighing error of each ring of the soil output is within 3 percent, has high stability, has less modification on equipment, is simple in subsequent maintenance and is a metering mode with the greatest popularization significance.
The main improvements of the system of the invention include:
firstly, a reliable digital means is used for measuring and displaying the soil output in real time, so that the construction requirements of refinement and informatization of the current shield are met;
secondly, the soil output is visualized, so that each unit can conveniently monitor the soil in real time and visually observe the soil at any time and any place;
and thirdly, rationality analysis is carried out, the early warning of the soil output is set, and when the soil output exceeds the limit, an alarm is given in time, so that an operator can conveniently adjust the soil output in time, and the safety and the stability of shield tunneling are ensured.
And fourthly, organically combining and synchronizing the shield soil output and the tunneling parameters of the shield, thereby realizing dynamic monitoring of the change of the soil output, achieving the purposes of real-time monitoring and real-time control, realizing the matching of the soil output and the tunneling parameters and ensuring the construction safety.
Drawings
FIG. 1 is a functional schematic of the system of the present invention.
Detailed Description
The invention provides a belt weighing-based earth pressure balance shield earth output monitoring system which comprises a bottom layer communication module, a data acquisition module, a data management module, a calculation analysis module and an interface display and operation module. As shown in fig. 1, the shield machine PLC data and the belt scale measurement data are input to the data management module through the bottom layer communication module via the data acquisition module, stored, and further calculated and analyzed by the calculation and analysis module, so that the obtained graph and the numerical data are displayed on the human-computer interaction interface of the interface display and operation module in real time, and meanwhile, the operator can also set the user of the monitoring system through the human-computer interaction interface of the interface display and operation module, such as time, calculation update frequency, and the like.
The practice of the present invention is described in detail below. The system preferably adopts C #6.0 as a development language, MySQL as a database and WPF as a UI framework. The system mainly comprises a bottom layer communication module, a data acquisition module, a data management module, a calculation analysis module and an interface display and operation module.
A bottom layer communication module: the communication objects of the system of the invention are divided into two main categories: the shield constructs owner accuse ware PLC and weighing system. The method mainly comprises the steps of communicating with the shield tunneling machine to obtain real-time operation data of the shield tunneling machine, simultaneously collecting weighing system data in real time, and carrying out operation analysis. The bottom layer communication module is necessary to ensure the completion of communication. The communication module covers the communication protocol of most shield tunneling machine PLC systems on the market at present, can realize communication with different shield tunneling machines through interface setting, and can support simultaneous communication of a plurality of PLC systems. Weighing systems mainly include two types, one is conveying belt weighing, and the other is muck bucket weighing. The two weighing modes can be freely switched for different application scenes.
A data acquisition module: the system can set an automatic periodic acquisition mode to acquire data through user setting, or acquire data in a subscription mode. The automatic periodic acquisition can set the data acquisition period according to the requirements, so as to meet the requirements under different working conditions; the subscription mode is used for subscribing and collecting the changed data in a fixed period when the data are changed.
A data management module: the system of the invention adopts a queue type and an event mode to manage the collected data. The data of the shield machine PLC and the weighing system have the characteristic of obvious queue sorting according to time, so that the queue type is adopted, the original data are stored through the queue, the data are transmitted to each data processing and analyzing module through events, and the generated result data are stored in the database. Meanwhile, the data management module is also used for sending the stored data to a remote monitoring platform for remote monitoring.
A calculation analysis module: the system of the invention relates to two types of data and carries out real-time data calculation and analysis on the data. The soil discharge management system has the main functions of managing and monitoring the relationship between the soil discharge and the advancing stroke of the shield machine and performing reasonability analysis, the calculation and analysis module calculates the real-time soil discharge and the advancing stroke of the shield machine according to the data of the weighing system and the real-time operation data of the shield machine, performs reasonability analysis on the real-time soil discharge and the advancing stroke of the shield machine according to a set threshold value, and an analysis result is transmitted to the interface display and operation module in a chart and numerical mode to be displayed.
The interface display and operation module comprises: a user interface framework WPF (Windows presentation information) of Microsoft is used as a UI framework to build a human-computer interaction interface, and the WPF has the advantages of friendly interface, easiness in design and smoothness in operation. The main interface of the invention is data display, system setting and data parameter setting. Data presentation is based on graphs, lists, and data blocks. Through good human-computer interaction, real-time monitoring data and calculation analysis results can be visually displayed.
Claims (3)
1. The system for monitoring the soil discharge amount of the earth pressure balance shield based on belt weighing is characterized by comprising a bottom layer communication module, a data acquisition module, a data management module, a calculation analysis module and an interface display and operation module,
a bottom layer communication module: the system is used for realizing communication with a PLC (programmable logic controller) of the shield machine main controller and a weighing system through a communication protocol of a PLC system of the shield machine;
a data acquisition module: the system is used for acquiring real-time operation data of the shield tunneling machine, acquiring data of a weighing system in real time and sending the data to the data management module;
a data management module: the data acquisition module is used for acquiring data of a user, receiving the data sent by the data acquisition module, storing the received data in a queue mode, transmitting the data to the calculation analysis module in an event mode, and storing result data generated by the calculation analysis module;
a calculation analysis module: the system is used for calculating the real-time soil output and the shield machine propelling stroke according to the weighing system data and the shield machine real-time operation data, carrying out reasonability analysis on the real-time soil output and the shield machine propelling stroke according to a set threshold value, and transmitting an analysis result to an interface display and operation module in a chart and numerical mode;
the interface display and operation module comprises: the system is used for receiving and displaying the graphs and numerical data of the calculation and analysis module and providing a human-computer interaction interface.
2. The belt-weighing-based soil pressure balance shield soil discharge monitoring system according to claim 1, wherein the interface display and operation module adopts WPF as a UI framework.
3. The belt weighing-based earth pressure balance shield earth output monitoring system as claimed in claim 1, wherein the data stored in the data management module is transmitted to a remote monitoring platform.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911287157.6A CN110954196A (en) | 2019-12-14 | 2019-12-14 | Earth pressure balance shield earth output monitoring system based on belt weighing |
| PCT/CN2020/100742 WO2021114649A1 (en) | 2019-12-14 | 2020-07-08 | Earth pressure balance shield unearthed volume monitoring system based on belt weighing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911287157.6A CN110954196A (en) | 2019-12-14 | 2019-12-14 | Earth pressure balance shield earth output monitoring system based on belt weighing |
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| Publication Number | Publication Date |
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| CN110954196A true CN110954196A (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911287157.6A Pending CN110954196A (en) | 2019-12-14 | 2019-12-14 | Earth pressure balance shield earth output monitoring system based on belt weighing |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110954196A (en) |
| WO (1) | WO2021114649A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021114649A1 (en) * | 2019-12-14 | 2021-06-17 | 南京城市地下空间工程研究院有限公司 | Earth pressure balance shield unearthed volume monitoring system based on belt weighing |
| CN113236271A (en) * | 2021-05-21 | 2021-08-10 | 上海隧道工程有限公司 | Shield intelligent control system and method |
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| JPS5477429A (en) * | 1977-10-18 | 1979-06-20 | Gewerk Eisenhuette Westfalia | Shield machine shield |
| CN106611376A (en) * | 2015-10-26 | 2017-05-03 | 哈尔滨市永恒鑫科技开发有限公司 | Mine intelligent mine measuring and data acquisition and management system |
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| CN109184709A (en) * | 2018-10-29 | 2019-01-11 | 幸智军 | A kind of construction of Suporting structure is slagged tap monitoring management system and method |
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| EP0735237A1 (en) * | 1995-03-27 | 1996-10-02 | Nissan Chemical Industries Ltd. | Method for shield excavating soil layer |
| CN204060705U (en) * | 2014-07-04 | 2014-12-31 | 西南交通大学 | The real-time Weighing mechanism of shield-tunneling construction dregs |
| CN207361212U (en) * | 2017-09-05 | 2018-05-15 | 中建隧道建设有限公司 | Shield belt conveyor weighing device |
| CN108267210A (en) * | 2017-12-21 | 2018-07-10 | 北方重工装备（沈阳）有限公司 | A kind of shield machine is unearthed measurement and early warning system |
| CN207937050U (en) * | 2018-03-28 | 2018-10-02 | 南宁轨道交通集团有限责任公司 | A kind of shield tunnel project dregs real-time weighing system |
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| CN110954196A (en) * | 2019-12-14 | 2020-04-03 | 南京城市地下空间工程研究院有限公司 | Earth pressure balance shield earth output monitoring system based on belt weighing |
-
2019
- 2019-12-14 CN CN201911287157.6A patent/CN110954196A/en active Pending
-
2020
- 2020-07-08 WO PCT/CN2020/100742 patent/WO2021114649A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS5477429A (en) * | 1977-10-18 | 1979-06-20 | Gewerk Eisenhuette Westfalia | Shield machine shield |
| CN106611376A (en) * | 2015-10-26 | 2017-05-03 | 哈尔滨市永恒鑫科技开发有限公司 | Mine intelligent mine measuring and data acquisition and management system |
| CN108708733A (en) * | 2018-05-16 | 2018-10-26 | 中铁工程装备集团有限公司 | A kind of shield machine remote data acquisition transmission device and method |
| CN109184709A (en) * | 2018-10-29 | 2019-01-11 | 幸智军 | A kind of construction of Suporting structure is slagged tap monitoring management system and method |
| CN109376194A (en) * | 2018-12-29 | 2019-02-22 | 中铁工程装备集团有限公司 | A kind of rock tunnel(ling) machine remote monitoring platform based on big data |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021114649A1 (en) * | 2019-12-14 | 2021-06-17 | 南京城市地下空间工程研究院有限公司 | Earth pressure balance shield unearthed volume monitoring system based on belt weighing |
| CN113236271A (en) * | 2021-05-21 | 2021-08-10 | 上海隧道工程有限公司 | Shield intelligent control system and method |
| CN113236271B (en) * | 2021-05-21 | 2024-01-19 | 上海隧道工程有限公司 | Intelligent shield control system and method |
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| Publication number | Publication date |
|---|---|
| WO2021114649A1 (en) | 2021-06-17 |
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Application publication date: 20200403 |
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