CN117252353A - Shield construction management platform and management method - Google Patents

Shield construction management platform and management method Download PDF

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Publication number
CN117252353A
CN117252353A CN202311004486.1A CN202311004486A CN117252353A CN 117252353 A CN117252353 A CN 117252353A CN 202311004486 A CN202311004486 A CN 202311004486A CN 117252353 A CN117252353 A CN 117252353A
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shield
data
construction
articulated cylinder
articulated
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杨旭明
解萍
黄雪刚
曹磊
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Jiangsu Geruite Pipe Network Engineering Co ltd
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    • G06Q50/08—Construction
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    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
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    • G06T7/20—Analysis of motion
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    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/20—Analysis of motion
    • G06T7/277—Analysis of motion involving stochastic approaches, e.g. using Kalman filters
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
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    • G06V20/50—Context or environment of the image
    • G06V20/52—Surveillance or monitoring of activities, e.g. for recognising suspicious objects
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    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
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    • G06V40/20—Movements or behaviour, e.g. gesture recognition
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    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10016—Video; Image sequence
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
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    • G06T2207/30196—Human being; Person

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Abstract

The invention relates to the technical field of building construction and discloses a shield construction management platform and a management method. The invention realizes the acquisition, processing and analysis of the construction site data based on the Internet technology, monitors the construction progress, quality and safety in real time, provides comprehensive data support and decision basis, can effectively reduce accident risk, ensures the safety of the construction site, has wide application prospect and market value, and has important application significance in the field of shield construction; in addition, the invention can also effectively avoid the occurrence of the deviation condition of the posture of the shield machine caused by untimely adjustment or out-of-place adjustment of operators.

Description

Shield construction management platform and management method
Technical Field
The invention relates to the technical field of building construction, in particular to a shield construction management platform and a shield construction management method.
Background
The shield construction industry is a diversified industry, and needs to coordinate various activities and resources, including personnel, materials, equipment and the like. In this industry, shield construction management is a crucial part, because it can ensure that all activities and resources can be performed orderly, thereby ensuring that construction projects are performed smoothly.
However, in the conventional shield construction management, there are many problems, for example, in the conventional shield propulsion process, a shield driver adjusts the posture of the shield machine according to experience and feel, so that the posture of the shield machine is not adjusted in place, deviation exists between the line type of the shield machine and the existing line type, the propulsion curve is bent and twisted, and even when the line type of the shield machine is serious, the shield machine cannot normally exit. In order to solve the problems, the invention provides a shield construction management platform and a management method, which use visual data to guide a shield driver to accurately adjust a hinged oil cylinder and ensure that the posture of a shield machine is consistent with the existing line type.
Disclosure of Invention
Aiming at the problems in the related art, the invention provides a shield construction management platform and a management method, and mainly aims to solve the problems in the traditional shield construction management, such as asymmetric information, unreasonable task allocation, insufficient safety management and the like. By introducing advanced technologies such as Internet technology and big data analysis, the automation, informatization and collaborative management of the construction process are realized, the construction efficiency and safety are improved, and the cost and risk are reduced. Meanwhile, the invention aims to promote the digital transformation of the shield construction industry and promote the construction and sustainable development of smart cities.
For this purpose, the invention adopts the following specific technical scheme:
according to one aspect of the invention, a shield construction management platform is provided, which comprises a guide system, a shield machine sensor, an equipment management module, a safety management module, a material management module, a shield system, a data acquisition layer, a data processing layer, a database, a data analysis layer and a shield construction management platform application module;
the guiding system is used for acquiring tunneling attitude data of the shield machine in real time, and comprises horizontal deviation of the center of the shield head and vertical deviation of the center of the shield head;
the shield tunneling machine sensor is used for acquiring travel data of the articulated oil cylinder in real time by using four magnetostrictive travel sensors built in the articulated oil cylinder;
the equipment management module is used for tracking maintenance history and maintenance plan of equipment, recording equipment fault conditions, managing maintenance processes and tracking inventory and service conditions of equipment accessories;
the safety management module is used for monitoring the safety condition of the construction site in real time and providing early warning and emergency response functions;
the material management module is used for assisting a purchasing department in managing purchasing flows, recording the in-out information of materials and tracking the inventory condition of the materials;
The shield system is used for connecting the guide system with the shield machine sensor through a profinet communication protocol and receiving the tunneling attitude data of the shield machine and the sensor data of the shield machine;
the data acquisition layer is used for transmitting the tunneling data of the shield machine, the sensor data of the shield machine and other data processed by the PLC (programmable logic controller) acquired in the shield system to the data processing layer through a TCP/IP (transmission control protocol/Internet protocol) communication protocol;
the data processing layer is used for extracting equipment maintenance, fault and analysis report data by utilizing a TCP/IP communication protocol, extracting accident management, risk assessment, safety training, safety inspection, safety management system and safety monitoring data by utilizing the TCP/IP communication protocol, and extracting purchase management, warehouse entry and exit management, inventory management and scrapping management data by utilizing the TCP/IP communication protocol;
the database is used for storing all data of the shield construction management platform;
the data analysis layer is used for receiving the data transmitted by the data processing layer and further analyzing and processing the data, and comprises the steps of automatically calculating the deviation correction quantity required to be adjusted by each hinged oil cylinder;
the application module of the shield construction management platform is used for displaying deviation rectifying amounts required to be adjusted of all the hinged oil cylinders and timely informing a shield driver and a manager of adjusting the posture of the shield machine.
Further, the safety management module comprises a personnel positioning and health monitoring module, a mechanical equipment state monitoring module, an environmental parameter monitoring module, a structural stability monitoring module, a thermal power monitoring module, a site construction monitoring module and an early warning emergency response module;
the personnel positioning and health monitoring module is used for monitoring the positions of constructors through the positioning system, ensuring that the constructors work in a safe area and tracking the physiological condition of the workers through the health monitoring equipment;
the mechanical equipment state monitoring module is used for monitoring the running states of the shield machine and other important equipment in real time, including temperature, pressure and vibration, and timely finding and processing potential faults;
the environment parameter monitoring module is used for monitoring the environmental factors of ventilation, temperature, humidity, dust and toxic gas in the tunnel and ensuring the comfort and safety of constructors;
the structural stability monitoring module is used for monitoring the stability of the tunnel and the supporting structure by utilizing various sensors, including the conditions of cracks, deformation and groundwater penetration;
the thermal power monitoring module is used for monitoring smoke and electrical parameters in the tunnel, including voltage, current and grounding conditions;
The on-site construction monitoring module is used for monitoring whether constructors follow all safety regulations and operation guidelines, including correctly executing construction actions, correctly using personal protective equipment, and correctly using tools and equipment;
the early warning emergency response module is used for timely sending early warning and emergency response when the safety of the construction site is in a problem.
Further, the on-site construction monitoring module includes the following steps when monitoring whether constructors follow all safety regulations and operation guidelines:
s1, acquiring video data of a construction site in real time by using video monitoring equipment pre-installed at a key position of a tunnel;
s2, carrying out dynamic target recognition on an original sequence in the video by utilizing a background elimination technology, and extracting a dynamic human body image of a constructor from the dynamic target recognition;
s3, cutting and standardizing the dynamic human body image of each frame to generate a continuous dynamic image sequence;
s4, selecting a first frame image sequence in the dynamic image sequence as a construction target, and calculating a target model in a search window;
s5, iteratively obtaining a new position of an optimal window by using a Camshift algorithm, and recording the position and the speed of a construction target in a current frame;
S6, judging whether the Pasteur distance coefficient exceeds a preset boundary, if so, shielding the construction target, executing S7, if not, not shielding the construction target, and returning to S5;
s7, carrying out parameter identification by using a Kalman filter, carrying out subsequent state prediction on the construction targets with shielding, returning to S5, and continuously executing until all the shielded construction targets are processed, so as to obtain a continuous non-shielded dynamic image sequence;
s8, recognizing construction actions, personal protective equipment, using tools and equipment of construction targets in the continuous non-occluded dynamic image sequences by utilizing an image recognition technology, comparing the construction actions, the personal protective equipment, the using tools and the equipment with preset standard construction actions, the personal protective equipment, and judging that the construction actions are not standard/the personal protective equipment is not standard/the using tools and the equipment are not standard when the comparison results are different.
Furthermore, the data processing layer is further configured to export the extracted data in batch into a CSV format file, and transmit the CSV format file to the data analysis layer.
Further, the data analysis layer is further configured to access the database through a contracted MySQL protocol, and store the analyzed result in the database.
Further, when the data analysis layer automatically calculates the deviation correction amount to be adjusted for each articulated cylinder, the data analysis layer includes:
acquiring a shield head center horizontal offset delta y and a shield head center vertical offset delta z in shield tunneling attitude data of a shield machine, and acquiring stroke data of four articulated cylinders in a shield machine sensor;
and calculating the up-down swing angle theta z and the left-right swing angle theta y of the shield machine by using a PLC program, and calculating the deviation rectifying quantity required to be regulated for each articulated cylinder of the shield machine by combining the horizontal deviation quantity delta y of the center of the shield head and the vertical deviation quantity delta z of the center of the shield head, wherein the deviation rectifying quantity comprises the deviation rectifying quantity in the horizontal direction and the deviation rectifying quantity in the vertical direction.
Further, the four articulated cylinders are a first articulated cylinder x1, a second articulated cylinder x2, a third articulated cylinder x3 and a fourth articulated cylinder x4 respectively;
the first articulated cylinder x1 is arranged in the 2 o 'clock direction of the shield machine front shield body, the second articulated cylinder x2 is arranged in the 4 o' clock direction of the shield machine front shield body, the third articulated cylinder x3 is arranged in the 8 o 'clock direction of the shield machine front shield body, and the fourth articulated cylinder x4 is arranged in the 10 o' clock direction of the shield machine front shield body.
Further, the calculation formula of the vertical swing angle θz of the shield tunneling machine is as follows:
The calculation formula of the left-right swing angle thetay of the shield machine is as follows:
the calculation formula of the deviation correction amount in the horizontal direction is as follows:
dy＝Δy*tanθy；
the calculation formula of the deviation correction amount in the vertical direction is as follows:
dz＝Δz*tanθz；
wherein θz is the vertical swing angle of the shield machine, Δx (34) is the stroke difference obtained by subtracting the stroke of the fourth articulated cylinder from the stroke of the third articulated cylinder, and Δz is the vertical distance between the installation positions of the third articulated cylinder and the fourth articulated cylinder in the shield machine;
θy is the left-right swing angle of the shield machine, Δx (14) is the stroke difference obtained by subtracting the stroke of the fourth articulated cylinder from the stroke of the first articulated cylinder, and Δy is the horizontal distance between the installation positions of the first articulated cylinder and the fourth articulated cylinder in the shield machine.
Further, when horizontal deviation correction is performed, the deviation correction amounts of the first articulated cylinder x1 and the fourth articulated cylinder x4, the second articulated cylinder x2 and the third articulated cylinder x3 are kept to be zero, meanwhile, the deviation correction amounts of the first articulated cylinder x1 and the second articulated cylinder x2, the third articulated cylinder x3 and the fourth articulated cylinder x4 are kept consistent, so that the deviation correction value of the first articulated cylinder x1 is dy, the deviation correction value of the second articulated cylinder x2 is dy, the deviation correction value of the third articulated cylinder x3 is-dy, and the deviation correction value of the fourth articulated cylinder x4 is-dy;
When vertical deviation correction is carried out, the sum of deviation correction amounts of the first articulated cylinder x1 and the second articulated cylinder x2, the third articulated cylinder x3 and the fourth articulated cylinder x4 is kept to be zero, meanwhile, the deviation correction amounts of the first articulated cylinder x1 and the fourth articulated cylinder x4, the deviation correction amounts of the third articulated cylinder x3 and the second articulated cylinder x2 are kept to be consistent, the deviation correction value of the first articulated cylinder x1 is dz, the deviation correction value of the fourth articulated cylinder x4 is dz, the deviation correction value of the second articulated cylinder x2 is-dz, and the deviation correction value of the third articulated cylinder x3 is-dz.
According to another aspect of the present invention, there is provided a shield construction management method comprising the steps of:
the data acquisition layer extracts data in the guide system and data of the shield machine sensor by using the shield system and transmits the data to the data processing layer;
acquiring data in the equipment management module, the security management module and the material management module through the data processing layer, exporting the data in batches into CSV format files, and simultaneously storing the acquired data into a database;
the data analysis layer performs data access by connecting to a database, and calls an API interface provided by the data processing layer to acquire required data for analysis processing;
the application display of the analyzed and processed data is carried out by utilizing a shield construction management platform application module;
The data in the guide system and the data of the shield machine sensor are transmitted to a PLC control unit in the shield system through a profinet communication protocol, and then enter a data acquisition layer through a TCP/IP communication protocol.
The beneficial effects of the invention are as follows:
1) The shield construction management platform combines tunneling management and construction management, can monitor the progress of a construction project and various indexes in real time, generates detailed reports, and displays shield tunneling data on the management platform in real time, so that a project manager can know the project state in time remotely and make necessary adjustment and decision.
2) The shield construction management platform can help optimize the use and distribution of resources, can avoid the waste and the idling of the resources through the accurate prediction and the scheduling of the resource demands, improves the utilization rate of the resources and reduces the project cost.
3) The shield construction management platform of the invention collects and stores a large amount of project data, can perform data analysis and mining, provides valuable insight and decision support, and helps project managers to make more intelligent decisions and improve future construction projects.
4) The invention can realize real-time monitoring and management of the construction site through data acquisition and processing, can automatically and cooperatively work through integrating a plurality of functional modules of equipment management, safety management and material management, improves the efficiency and accuracy of construction projects, and can ensure the safety of the construction site through the safety management module so as to avoid accidents.
5) By the aid of the on-site construction monitoring module, whether construction actions of constructors, personal protection equipment and tool equipment are used or not can be monitored in real time according to all safety regulations and operation guidelines, so that safety of construction sites can be further guaranteed, accidents are avoided, in addition, correct tracking of shielding constructors can be achieved through a Camshift algorithm and a Kalman filtering algorithm, reliability of tracking construction actions of the constructors is effectively improved, and safety monitoring of construction actions of the construction sites can be better achieved.
6) According to the invention, through collecting the guide system data and the travel data of the articulated cylinders of the shield machine, the deviation correction quantity of each articulated cylinder to be adjusted is automatically calculated and displayed on the construction management platform module, so that a shield driver and a manager can be timely informed to adjust and monitor the posture of the shield machine, the occurrence of the posture deviation condition of the shield machine caused by untimely adjustment and improper adjustment of the operator is effectively avoided, and the shield machine can be further ensured to be propelled according to the existing line type, and the line deviation is prevented.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed 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 other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural diagram of a shield construction management platform according to an embodiment of the present invention;
fig. 2 is a schematic diagram of calculation of a telescopic angle of a hinged oil cylinder in a shield construction management platform according to an embodiment of the invention.
In the figure:
101. a guide system; 102. a shield machine sensor; 103. an equipment management module; 104. a security management module; 105. a material management module; 106. a shield system; 107. a data acquisition layer; 108. a data processing layer; 109. a database; 110. a data analysis layer; 111. and the shield construction management platform application module.
Detailed Description
For the purpose of further illustrating the various embodiments, the present invention provides the accompanying drawings, which are a part of the disclosure of the present invention, and which are mainly used to illustrate the embodiments and, together with the description, serve to explain the principles of the embodiments, and with reference to these descriptions, one skilled in the art will recognize other possible implementations and advantages of the present invention, wherein elements are not drawn to scale, and like reference numerals are generally used to designate like elements.
According to the embodiment of the invention, a shield construction management platform and a shield construction management method are provided.
The invention will be further described with reference to the accompanying drawings and detailed description, as shown in fig. 1-2, according to one embodiment of the invention, there is provided a shield construction management platform, which includes a guiding system 101, a shield machine sensor 102, an equipment management module 103, a security management module 104, a material management module 105, a shield system 106, a data acquisition layer 107, a data processing layer 108, a database 109, a data analysis layer 110 and a shield construction management platform application module 111;
the guiding system 101 is configured to acquire tunneling attitude data of the shield tunneling machine in real time, where the tunneling attitude data includes horizontal shift of a center of a shield head and vertical shift of the center of the shield head;
the shield tunneling machine sensor 102 is used for acquiring travel data of the articulated oil cylinder in real time by using four magnetostrictive travel sensors built in the articulated oil cylinder;
the device management module 103 is configured to track maintenance history and maintenance schedule of the device, record fault conditions of the device, manage maintenance procedures, and track inventory and usage conditions of accessories of the device;
the safety management module 104 is used for monitoring the safety condition of the construction site in real time and providing early warning and emergency response functions;
Specifically, the safety management module 104 includes a personnel positioning and health monitoring module, a mechanical equipment status monitoring module, an environmental parameter monitoring module, a structural stability monitoring module, a thermal power monitoring module, a site construction monitoring module and an early warning emergency response module;
the personnel positioning and health monitoring module is used for monitoring the positions of constructors through the positioning system, ensuring that the constructors work in a safe area and tracking the physiological condition of the workers through the health monitoring equipment;
the mechanical equipment state monitoring module is used for monitoring the running states of the shield machine and other important equipment in real time, including temperature, pressure and vibration, and timely finding and processing potential faults;
the environment parameter monitoring module is used for monitoring the environmental factors of ventilation, temperature, humidity, dust and toxic gas in the tunnel and ensuring the comfort and safety of constructors;
the structural stability monitoring module is used for monitoring the stability of the tunnel and the supporting structure by utilizing various sensors, including the conditions of cracks, deformation and groundwater penetration;
the thermal power monitoring module is used for monitoring smoke and electrical parameters in the tunnel, including voltage, current and grounding conditions;
The on-site construction monitoring module is used for monitoring whether constructors follow all safety regulations and operation guidelines, including correctly executing construction actions, correctly using personal protective equipment, and correctly using tools and equipment;
the early warning emergency response module is used for timely sending early warning and emergency response when the safety of the construction site is in a problem.
The on-site construction monitoring module comprises the following steps when monitoring whether constructors follow all safety regulations and operation guidelines:
s1, acquiring video data of a construction site in real time by using video monitoring equipment pre-installed at a key position of a tunnel;
s2, carrying out dynamic target recognition on an original sequence in the video by utilizing a background elimination technology, and extracting a dynamic human body image of a constructor from the dynamic target recognition;
s3, cutting and standardizing the dynamic human body image of each frame to generate a continuous dynamic image sequence;
s4, selecting a first frame image sequence in the dynamic image sequence as a construction target, and calculating a target model in a search window;
wherein the target model is as follows:
K(x)＝k(||x|| 2 )；
wherein x is 0 Represents the center of the construction target region, ║ ║ represents the norm sign, n represents the number of pixels in the construction target region, K (x) represents the contour function of the kernel function K (x), h represents the window radius of the kernel function, x i Representing the coordinates of the ith pixel, b (x i ) To obtain x i Characteristic value of pixel value at delta [ b (x i )-u]Based on x as a judgment function i Difference value range between characteristic value of pixel value and u, and determine x i Whether the characteristic value of the pixel value at the position is u or not, and C is a normalization coefficient;
s5, iteratively obtaining a new position of an optimal window by using a Camshift algorithm, and recording the position and the speed of a construction target in a current frame;
the Camshift (Continuously Adaptive Mean Shift) algorithm is an improvement based on the Mean Shift algorithm and is mainly used for target tracking in video tracking. The following is a specific step of iteratively obtaining a new position of an optimal window by the Camshift algorithm and recording the position and speed of a construction target in a current frame:
initializing: first, an initial target position and window size are required. This is typically based on user input or other object detection methods.
And (3) calculating a histogram: in order to track the object, it is first necessary to calculate a color histogram of the object. This is typically done in the HSV color space because it is relatively insensitive to illumination changes.
Back projection: back-projecting in the new video frame using the color histogram of the object, resulting in a probability image in which the value of each pixel represents the probability that the pixel belongs to the object.
Mean Shift iteration:
calculating the centroid of the window: in the current search window, the centroid of the window is calculated using the result of the back projection.
Updating window positions: the search window is moved to the location of the centroid.
Repeating: the two steps are continued until the change in window position is less than a predetermined threshold or a maximum number of iterations is reached.
Window size adjustment: one advantage of Camshift is that it can adaptively adjust the size of the search window. Based on the probability distribution of the current search window, the window is resized to better match the target.
Obtaining a result: the final search window position is the position of the target in the current frame. By comparing the positions in successive frames, the velocity of the target can also be estimated.
Updating the model: to cope with possible changes in the object or background, the color histogram of the object may be updated periodically.
Returning to histogram calculation: in the next frame of video, the result of the previous frame is used as the initial position and window size, and then returned to the histogram calculation.
S6, judging whether the Pasteur distance coefficient exceeds a preset boundary, if so, shielding the construction target, executing S7, if not, not shielding the construction target, and returning to S5;
S7, carrying out parameter identification by using a Kalman filter, carrying out subsequent state prediction on the construction targets with shielding, returning to S5, and continuously executing until all the shielded construction targets are processed, so as to obtain a continuous non-shielded dynamic image sequence;
s8, recognizing construction actions, personal protective equipment, using tools and equipment of construction targets in the continuous non-occluded dynamic image sequences by utilizing an image recognition technology, comparing the construction actions, the personal protective equipment, the using tools and the equipment with preset standard construction actions, the personal protective equipment, and judging that the construction actions are not standard/the personal protective equipment is not standard/the using tools and the equipment are not standard when the comparison results are different.
Specifically, when the comparison result of the construction action of the construction target and the preset standard construction action is different, judging that the construction action is not standard; judging that the personal protective equipment is not standard when the comparison result of the personal protective equipment and the preset standard personal protective equipment is different; and when the comparison result of the using tool and the device and the preset standard using tool and device is different, judging that the using tool and the device are not standard.
The material management module 105 is used for assisting a purchasing department in managing purchasing process, recording information of material in and out of the stock, and tracking the stock condition of the material;
The shield system 106 is used for connecting with the guide system and the shield machine sensor through a profinet communication protocol and receiving the tunneling gesture data of the shield machine and the shield machine sensor data;
the data acquisition layer 107 is configured to transmit tunneling data of the shield machine, sensor data of the shield machine, and other data processed by the PLC acquired in the shield system to the data processing layer through a TCP/IP communication protocol;
specifically, in this embodiment, in the shield tunneling section of the comprehensive sewage treatment engineering project of the Qinghai river, by applying the method of the shield construction management platform of the invention, the required shield tunneling machine data is obtained from the synchronous transmission mode in the 2 m slurry shield system independently developed by the company, including shield tunneling machine tunneling data, shield guiding data, shield machine sensor data, the extraction language is the PLC ladder diagram language, and the communication protocol is the profinet protocol. The data acquisition layer transmits the data acquired in the shield system to the data processing layer through a TCP/IP communication protocol, wherein the transmission language is C++ computer language.
The data processing layer 108 is configured to extract data such as equipment maintenance, fault and analysis report from the equipment management module through a TCP/IP communication protocol, where a transmission language is a c++ computer language;
The system is also used for extracting data such as accident management, (construction site) risk assessment, safety training, safety inspection, safety management system, safety monitoring and the like from the safety management module through a TCP/IP communication protocol, and the transmission language is C++ computer language;
the system is also used for extracting data such as purchase management, warehouse-in and warehouse-out management, inventory management, scrapping management and the like from the material management module through a TCP/IP communication protocol, and the transmission language is C++ computer language;
the shield tunneling machine system data, the equipment management data, the safety management data and the material management data are processed by the data processing layer and then exported in batches to form CSV format files, the CSV format files are transmitted to the data analysis layer for further analysis and processing, and then the data analysis layer accesses a database by using a contracted MySQL protocol and stores the analyzed results in the database.
The database 109 is configured to store all data of the shield construction management platform;
the data analysis layer 110 is configured to receive the data transmitted by the data processing layer, and further analyze and process the data, including automatically calculating an offset correction amount required to be adjusted for each articulated cylinder;
meanwhile, the data analysis layer provides an API interface adopting GraphQL standardized design, and the application layer of the shield construction management platform performs data access by connecting the API interface and finally displays the data on the shield construction management platform in a graphical mode.
The following describes the automatic calculation of guide data acquisition and hinge travel deviation correction adjustment in detail:
aiming at the defects of manual adjustment of the posture of a shield in the existing shield construction technology, the invention provides a method for automatically calculating the deviation correction of the stroke of an articulated cylinder, which aims to automatically calculate the deviation correction amount required to be adjusted by each articulated cylinder through collected guide system data and the stroke data of the articulated cylinder of the shield machine, display the deviation correction amount on a construction management platform, and timely inform a shield driver and a manager to adjust and monitor the posture of the shield machine, thereby ensuring that the shield machine is propelled according to the existing line type and preventing the line from deviating.
In order to achieve the functions, the shield construction management platform provided by the invention is characterized in that data acquired through the guide system, the shield machine sensor and the shield system enter the data acquisition layer, then pass through the data processing layer and the data analysis layer, and finally enter the shield construction management application platform to be displayed.
The guiding system adopts a set of Shanghai power signal measuring company RMS-D automatic guiding system to acquire tunneling attitude data of the shield machine in real time.
The shield tunneling machine sensor adopts four magnetostriction travel sensors of America MTS company which are built in the articulated oil cylinder, and acquires the travel data of the articulated oil cylinder in real time.
The shield system adopts a Germany Siemens S7-1200PLC system, is connected with a guide system through a profinet communication protocol, synchronously transmits tunneling gesture data of the shield machine to the shield system through a PLC control program at the frequency of 1Hz, and simultaneously acquires sensor data of the shield machine to the shield system through an analog quantity input module of the system.
Firstly, acquiring two data of a shield head center horizontal offset delta y and a shield head center vertical offset delta z from a guide system of Shanghai power information, and stroke data of 4 articulated cylinders (x 1, x2, x3 and x 4) acquired through a PLC analog module, wherein the data are acquired through a PLC system program, and then the upper and lower swing angle theta z of a shield machine and the left and right swing angle theta y of the shield machine in the figure 2 are obtained through calculation of the PLC program, the advancing direction is taken as the right front in the figure 2, and x1 is the articulated cylinder 1 (namely a first articulated cylinder) and is arranged in the 2 o' clock direction of a shield body in front of the shield machine; x2 is an articulated cylinder 2 (namely a second articulated cylinder) which is arranged in the 4 o' clock direction of the front shield body of the shield machine; x3 is a hinged oil cylinder 3 (namely a third hinged oil cylinder) which is arranged in the 8 o' clock direction of the front shield body of the shield machine; x4 is an articulated cylinder 4 (namely a fourth articulated cylinder) which is arranged at the 10 o' clock direction of the front shield body of the shield machine. The calculation formula is as follows:
Wherein θz is the vertical swing angle of the shield machine, Δx (34) is the stroke difference obtained by subtracting the stroke of the articulated cylinder 4 from the stroke of the articulated cylinder 3, Δz is the vertical distance between the articulated cylinder 3 and the installation position of the articulated cylinder 4 in the shield machine, the calculated value is positive and negative and represents the current head upward of the shield machine, and the angle values of upward and downward inclination of the current head of the shield machine are obtained.
Wherein θy is the left-right swing angle of the shield machine, Δx (14) is the stroke difference obtained by subtracting the stroke of the articulated cylinder (1) from the stroke of the articulated cylinder (4), Δy is the horizontal distance between the articulated cylinder (1) and the installation position of the articulated cylinder (4) in the shield machine, the calculated value is positive and the calculated value is negative and the calculated value is positive.
After the two angles and directions are obtained, the correction quantity required to be adjusted for each articulated cylinder of the shield machine can be calculated according to the up-and-down swing angle of the shield machine and the left-and-right swing angle of the shield machine, which are obtained through calculation, by combining two data, namely the horizontal displacement delta y of the shield head center and the vertical displacement delta z of the shield head center, which are obtained from a guide system of a force company through a control program by a PLC. Formula for correcting deviation in horizontal direction Obtaining dy=deltay, tan and θy, wherein dy is the deviation rectifying quantity in the horizontal direction of the user, and the deviation rectifying quantity in the vertical direction is represented by the formula ∈>And obtaining dz=deltaz, and tan theta z, wherein dz is the deviation rectifying quantity in the vertical direction. The adjustment of the deviation correcting quantity needs to control the hinged oil cylinder to stretch out and draw back through a button on an operation panel by a shield machine operator, and it is noted that when horizontal deviation correction is carried out, the deviation correcting quantity sum of x1 and x4, x2 and x3 is kept to be zero, and meanwhile, the deviation correcting quantity sum of x1 and x2, x3 and x4 needs to be kept consistent, so that the deviation correcting value of x1 is dy, the deviation correcting value of x2 is dy, the deviation correcting value of x3 is-dy, and the deviation correcting value of x4 is-dy; correction and protection of x1 and x2, x3 and x4 during vertical correctionThe deviation rectifying amounts of x1, x4, x3 and x2 are kept to be consistent, so that the deviation rectifying value of x1 is dz, the deviation rectifying value of x4 is dz, the deviation rectifying value of x2 is-dz, the deviation rectifying value of x3 is-dz, the deviation rectifying values are displayed on a construction management platform through subsequent processing, and operators are reminded of adjusting on an operation panel of the shield tunneling machine in real time. The problem that the operator cannot accurately go out of a tunnel because the posture of the shield machine is deviated due to untimely adjustment and improper adjustment and cannot tunnel in the existing route is avoided.
Specifically, the data analysis layer 110 is further configured to access the database through the agreed MySQL protocol, and store the analyzed result in the database.
The shield construction management platform application module 111 is used for displaying deviation rectifying amounts required to be adjusted by each hinged oil cylinder and timely informing a shield driver and a manager of adjusting the posture of the shield machine.
According to another embodiment of the present invention, there is provided a shield construction management method including the steps of:
the data acquisition layer extracts data in the guide system and data of the shield machine sensor by using the shield system and transmits the data to the data processing layer through a TCP/IP protocol (the advantage of the data acquisition layer is that the data transmission stability and reliability are ensured);
acquiring data in the equipment management module, the security management module and the material management module through the data processing layer, exporting the data into a CSV format file in batches, and simultaneously storing the processed data into a database by using a contracted MySQL protocol;
the data analysis layer performs data access by connecting to a database, and calls an API interface provided by the data processing layer to acquire required data for analysis processing;
The application display of the analyzed and processed data is carried out by utilizing a shield construction management platform application module;
the data in the guide system and the data of the shield machine sensor are transmitted to a PLC control unit in the shield system through a profinet communication protocol, and then enter a data acquisition layer through a TCP/IP communication protocol.
The data in the equipment management module, the security management module and the material management module are synchronously transmitted to the data processing layer through the C++ computer language, and the equipment management module, the security management module and the material management module have the advantages of transmitting real-time property, providing higher transmission rate, lower delay and data consistency, ensuring the latest and accurate data acquisition and avoiding the problem of inconsistent data.
The data analysis layer accesses the database by adopting a contracted MySQL protocol, and stores the analyzed result in the database; meanwhile, the data processing layer exports the processed data in batches into CSV format files, transmits the CSV format files to the data analysis layer and further analyzes and processes the CSV format files, and the data analysis layer acquires the required data by calling an API interface provided by the data processing layer, wherein the API interface mode is unified as RESTful API.
The data analysis layer provides an API interface adopting GraphQL standardization design, and the shield construction management platform performs data access and application display by connecting the API interface.
In summary, by means of the technical scheme of the invention, the shield construction management platform combines tunneling management and construction management together, can monitor progress and various indexes of a construction project in real time, generate detailed reports, and display shield tunneling data on the management platform in real time, so that a project manager can know project states in time remotely and make necessary adjustment and decision.
Meanwhile, the shield construction management platform can help optimize the use and distribution of resources, and through accurate prediction and scheduling of resource demands, the waste and idling of the resources can be avoided, the utilization rate of the resources is improved, and the project cost is reduced.
Meanwhile, the shield construction management platform of the invention collects and stores a large amount of project data, can perform data analysis and mining, provides valuable insight and decision support, and is helpful for project managers to make more intelligent decisions and improve future construction projects.
Meanwhile, the invention can realize real-time monitoring and management of the construction site through data acquisition and processing, and can automatically and cooperatively work through integrating a plurality of functional modules of equipment management, safety management and material management, thereby improving the efficiency and accuracy of construction projects, ensuring the safety of the construction site through the safety management module and avoiding accidents.
Meanwhile, by the aid of the on-site construction monitoring module, whether construction actions of constructors, personal protective equipment and tool equipment are used or not can be monitored in real time according to all safety regulations and operation guidelines, so that safety of construction sites can be further guaranteed, accidents are avoided, in addition, correct tracking of shielding constructors can be achieved through a Camshift algorithm and a Kalman filtering algorithm, reliability of tracking construction actions of the constructors is effectively improved, and safety monitoring of construction actions of the construction sites can be better achieved.
Meanwhile, the deviation correction quantity of each articulated oil cylinder to be adjusted is automatically calculated through collecting the guide system data and the travel data of the articulated oil cylinder of the shield machine and is displayed on the construction management platform module, so that a shield driver and a manager can be timely informed to adjust and monitor the posture of the shield machine, the occurrence of the deviation situation of the posture of the shield machine caused by untimely adjustment and improper adjustment of the operator is effectively avoided, and the shield machine can be further ensured to be propelled according to the existing line, and the deviation of a line is prevented.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.

Claims (10)

1. The shield construction management platform is characterized by comprising a guide system (101), a shield machine sensor (102), a device management module (103), a safety management module (104), a material management module (105), a shield system (106), a data acquisition layer (107), a data processing layer (108), a database (109), a data analysis layer (110) and a shield construction management platform application module (111);
the guiding system (101) is used for acquiring tunneling attitude data of the shield tunneling machine in real time, and comprises horizontal deviation of the center of the shield head and vertical deviation of the center of the shield head;
the shield tunneling machine sensor (102) is used for acquiring travel data of the articulated oil cylinder in real time by using four magnetostrictive travel sensors built in the articulated oil cylinder;
the equipment management module (103) is used for tracking maintenance history and maintenance plan of equipment, recording equipment fault conditions, managing maintenance processes and tracking inventory and use conditions of equipment accessories;
The safety management module (104) is used for monitoring the safety condition of the construction site in real time and providing early warning and emergency response functions;
the material management module (105) is used for assisting a purchasing department in managing purchasing flows, recording the in-out information of materials and tracking the inventory condition of the materials;
the shield system (106) is used for connecting with the guide system and the shield machine sensor through a profinet communication protocol and receiving the tunneling gesture data of the shield machine and the shield machine sensor data;
the data acquisition layer (107) is used for transmitting the tunneling data of the shield machine, the sensor data of the shield machine and other data processed by the PLC (programmable logic controller) acquired in the shield system to the data processing layer through a TCP/IP (transmission control protocol/Internet protocol) communication protocol;
the data processing layer (108) is used for extracting equipment maintenance, fault and analysis report data by utilizing a TCP/IP communication protocol, extracting accident management, risk assessment, safety training, safety inspection, safety management system and safety monitoring data by utilizing the TCP/IP communication protocol, and extracting purchase management, warehouse entry management, inventory management and scrapping management data by utilizing the TCP/IP communication protocol;
the database (109) is used for storing all data of the shield construction management platform;
The data analysis layer (110) is used for receiving the data transmitted by the data processing layer and further analyzing and processing the data, and comprises the steps of automatically calculating the deviation correction quantity required to be adjusted by each hinged oil cylinder;
the shield construction management platform application module (111) is used for displaying deviation rectifying amounts required to be adjusted by all the hinged oil cylinders and timely informing a shield driver and a manager of adjusting the posture of the shield machine.
2. The shield construction management platform according to claim 1, wherein the safety management module (104) comprises a personnel positioning and health monitoring module, a mechanical equipment state monitoring module, an environmental parameter monitoring module, a structural stability monitoring module, a thermal power monitoring module, a field construction monitoring module and an early warning emergency response module;
the personnel positioning and health monitoring module is used for monitoring the positions of constructors through the positioning system, ensuring that the constructors work in a safe area and tracking the physiological condition of the workers through the health monitoring equipment;
the mechanical equipment state monitoring module is used for monitoring the running states of the shield machine and other important equipment in real time, including temperature, pressure and vibration, and timely finding and processing potential faults;
The environment parameter monitoring module is used for monitoring the environmental factors of ventilation, temperature, humidity, dust and toxic gas in the tunnel and ensuring the comfort and safety of constructors;
the structural stability monitoring module is used for monitoring the stability of the tunnel and the supporting structure by utilizing various sensors, including the conditions of cracks, deformation and groundwater penetration;
the thermal power monitoring module is used for monitoring smoke and electrical parameters in the tunnel, including voltage, current and grounding conditions;
the on-site construction monitoring module is used for monitoring whether constructors follow all safety regulations and operation guidelines, including correctly executing construction actions, correctly using personal protective equipment, and correctly using tools and equipment;
the early warning emergency response module is used for timely sending early warning and emergency response when the safety of the construction site is in a problem.
3. The shield construction management platform according to claim 2, wherein the field construction monitoring module includes the following steps when monitoring whether a constructor follows all safety regulations and operation guidelines:
s1, acquiring video data of a construction site in real time by using video monitoring equipment pre-installed at a key position of a tunnel;
S2, carrying out dynamic target recognition on an original sequence in the video by utilizing a background elimination technology, and extracting a dynamic human body image of a constructor from the dynamic target recognition;
s3, cutting and standardizing the dynamic human body image of each frame to generate a continuous dynamic image sequence;
s4, selecting a first frame image sequence in the dynamic image sequence as a construction target, and calculating a target model in a search window;
s5, iteratively obtaining a new position of an optimal window by using a Camshift algorithm, and recording the position and the speed of a construction target in a current frame;
s6, judging whether the Pasteur distance coefficient exceeds a preset boundary, if so, shielding the construction target, executing S7, if not, not shielding the construction target, and returning to S5;
s7, carrying out parameter identification by using a Kalman filter, carrying out subsequent state prediction on the construction targets with shielding, returning to S5, and continuously executing until all the shielded construction targets are processed, so as to obtain a continuous non-shielded dynamic image sequence;
s8, recognizing construction actions, personal protective equipment, using tools and equipment of construction targets in the continuous non-occluded dynamic image sequences by utilizing an image recognition technology, comparing the construction actions, the personal protective equipment, the using tools and the equipment with preset standard construction actions, the personal protective equipment, and judging that the construction actions are not standard/the personal protective equipment is not standard/the using tools and the equipment are not standard when the comparison results are different.
4. A shield construction management platform according to claim 1, wherein the data processing layer (108) is further configured to export the extracted data in batches into a CSV format file and transmit the CSV format file to the data analysis layer.
5. A shield construction management platform according to claim 1, wherein the data analysis layer (110) is further configured to access the database via a contracted MySQL protocol and store the result after analysis in the database.
6. The shield construction management platform according to claim 1, wherein the data analysis layer (110) when automatically calculating the deviation correction amount to be adjusted for each articulated cylinder comprises:
acquiring a shield head center horizontal offset delta y and a shield head center vertical offset delta z in shield tunneling attitude data of a shield machine, and acquiring stroke data of four articulated cylinders in a shield machine sensor;
and calculating the up-down swing angle theta z and the left-right swing angle theta y of the shield machine by using a PLC program, and calculating the deviation rectifying quantity required to be regulated for each articulated cylinder of the shield machine by combining the horizontal deviation quantity delta y of the center of the shield head and the vertical deviation quantity delta z of the center of the shield head, wherein the deviation rectifying quantity comprises the deviation rectifying quantity in the horizontal direction and the deviation rectifying quantity in the vertical direction.
7. The shield construction management platform according to claim 6, wherein the four articulated cylinders are a first articulated cylinder x1, a second articulated cylinder x2, a third articulated cylinder x3 and a fourth articulated cylinder x4, respectively;
the first articulated cylinder x1 is arranged in the 2 o 'clock direction of the shield machine front shield body, the second articulated cylinder x2 is arranged in the 4 o' clock direction of the shield machine front shield body, the third articulated cylinder x3 is arranged in the 8 o 'clock direction of the shield machine front shield body, and the fourth articulated cylinder x4 is arranged in the 10 o' clock direction of the shield machine front shield body.
8. The shield construction management platform according to claim 6, wherein the formula for calculating the vertical swing angle θz of the shield machine is:
the calculation formula of the left-right swing angle thetay of the shield machine is as follows:
the calculation formula of the deviation correction amount in the horizontal direction is as follows:
dy＝Δy*tanθy；
the calculation formula of the deviation correction amount in the vertical direction is as follows:
dz＝Δz*tanθz；
wherein θz is the vertical swing angle of the shield machine, Δx (34) is the stroke difference obtained by subtracting the stroke of the fourth articulated cylinder from the stroke of the third articulated cylinder, and Δz is the vertical distance between the installation positions of the third articulated cylinder and the fourth articulated cylinder in the shield machine;
θy is the left-right swing angle of the shield machine, Δx (14) is the stroke difference obtained by subtracting the stroke of the fourth articulated cylinder from the stroke of the first articulated cylinder, and Δy is the horizontal distance between the installation positions of the first articulated cylinder and the fourth articulated cylinder in the shield machine.
9. The shield construction management platform according to claim 8, wherein when horizontal deviation correction is performed, the deviation correction amounts of the first articulated cylinder x1 and the fourth articulated cylinder x4, the second articulated cylinder x2 and the third articulated cylinder x3 are kept to be zero, and meanwhile, the deviation correction amounts of the first articulated cylinder x1 and the second articulated cylinder x2, the third articulated cylinder x3 and the fourth articulated cylinder x4 are kept consistent, so that the deviation correction value of the first articulated cylinder x1 is dy, the deviation correction value of the second articulated cylinder x2 is dy, the deviation correction value of the third articulated cylinder x3 is-dy, and the deviation correction value of the fourth articulated cylinder x4 is-dy;
when vertical deviation correction is carried out, the sum of deviation correction amounts of the first articulated cylinder x1 and the second articulated cylinder x2, the third articulated cylinder x3 and the fourth articulated cylinder x4 is kept to be zero, meanwhile, the deviation correction amounts of the first articulated cylinder x1 and the fourth articulated cylinder x4, the deviation correction amounts of the third articulated cylinder x3 and the second articulated cylinder x2 are kept to be consistent, the deviation correction value of the first articulated cylinder x1 is dz, the deviation correction value of the fourth articulated cylinder x4 is dz, the deviation correction value of the second articulated cylinder x2 is-dz, and the deviation correction value of the third articulated cylinder x3 is-dz.
10. A shield construction management method implemented based on the shield construction management platform according to any one of claims 1 to 9, characterized in that the shield construction management method comprises the steps of:
the data acquisition layer extracts data in the guide system and data of the shield machine sensor by using the shield system and transmits the data to the data processing layer;
acquiring data in the equipment management module, the security management module and the material management module through the data processing layer, exporting the data in batches into CSV format files, and simultaneously storing the acquired data into a database;
the data analysis layer performs data access by connecting to a database, and calls an API interface provided by the data processing layer to acquire required data for analysis processing;
the application display of the analyzed and processed data is carried out by utilizing a shield construction management platform application module;
the data in the guide system and the data of the shield machine sensor are transmitted to a PLC control unit in the shield system through a profinet communication protocol, and then enter a data acquisition layer through a TCP/IP communication protocol.
CN202311004486.1A 2023-08-10 2023-08-10 Shield construction management platform and management method Pending CN117252353A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117552796A (en) * 2024-01-11 2024-02-13 北京城建设计发展集团股份有限公司 Method, device, equipment and medium for controlling telescoping speed of oil cylinder of shield propulsion system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117552796A (en) * 2024-01-11 2024-02-13 北京城建设计发展集团股份有限公司 Method, device, equipment and medium for controlling telescoping speed of oil cylinder of shield propulsion system
CN117552796B (en) * 2024-01-11 2024-04-16 北京城建设计发展集团股份有限公司 Method, device, equipment and medium for controlling telescoping speed of oil cylinder of shield propulsion system

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