A real-time safety monitoring system and method for hanging baskets used in bridge construction

Abstract

The application discloses a hanging basket safety real-time monitoring system and method for bridge construction, and belongs to the technical field of monitoring and early warning, which comprises an initial data acquisition module, which is used for acquiring initial horizontal data when a preset hanging basket is put into use, and dividing the initial horizontal data into at least five monitoring data, wherein the five monitoring data at least include vertical data of four ends of the preset hanging basket in a downward position and a horizontal end face closest to the four ends; and a data acquisition module, which comprises a sensor measurement method for data acquisition, and the sensor measurement method comprises an inclination sensor; the data acquisition module is used for collecting vertical data changes in the use process of the preset hanging basket based on the vertical data; and the application significantly improves the safety and efficiency of the hanging basket construction through multi-dimensional data fusion, real-time monitoring and early warning, comprehensive and targeted monitoring layout, and guarantees the quality of bridge construction and the safety of construction personnel.

Description

Technical Field

[0001] This invention relates to the field of monitoring and early warning technology, and in particular to a real-time safety monitoring system and method for hanging baskets used in bridge construction. Background Technology

[0002] Bridge construction is a crucial part of road and transportation infrastructure development, and the formwork is one of the key pieces of equipment in bridge construction, directly impacting construction safety and structural stability. Bridges are typically constructed using formwork equipment, with each section requiring meticulous attention to construction quality. Otherwise, accumulated errors will lead to deviations during final closure, severely affecting the bridge's overall quality, especially for long-distance bridges.

[0003] The main purpose of hanging basket monitoring is to monitor the status of the hanging basket in real time, so as to promptly detect and warn of potential safety risks. Specific monitoring targets include monitoring the tilt, load, vibration, fixation and environmental conditions of the hanging basket. Among them, the tilt is to monitor whether the hanging basket is tilted, as well as the angle and direction of the tilt. When monitoring the tilt of the hanging basket, the angle between the hanging basket and the vertical direction is measured by tilt sensor to determine the degree and direction of the tilt.

[0004] In related technologies, the technical document with application number CN201910608436.1 provides an online monitoring system and control method for bridge hanging basket construction. This technical solution includes network cameras, switches, routers, local handheld terminals, and a remote parameter and video control center. At least one network camera is installed on each side of the hanging basket equipment and connected to the switch. The switch is connected to the router. The local handheld terminal is connected to the local area network (LAN) formed by the router. The remote parameter and video control center is connected to the router in a wide area network (WAN). This technical solution can monitor the bridge construction process in real time. Through network cameras, it monitors the travel distance, positioning, and smoke generation of the poured concrete during construction. Through on-site or remote analysis and feedback, it controls the pouring process, ensuring the quality of the bridge pouring.

[0005] However, there are still some shortcomings in the current monitoring of hanging basket tilt, including insufficient data fusion. This results in a lack of effective correlation analysis between the data from tilt sensors and stress sensors, making it difficult to comprehensively determine whether the tilt of the hanging basket is caused by changes in the stress on its own structure or by other reasons. This affects the comprehensive and accurate assessment of the tilt status of the hanging basket, resulting in the inability to issue timely and accurate early warning signals when the tilt exceeds a certain threshold, or the warning information being unclear enough to provide construction personnel with sufficient reaction time to take effective countermeasures, thus increasing construction safety risks. Summary of the Invention

[0006] In view of the problems existing in the field of existing monitoring and early warning technology, the present invention is proposed.

[0007] Therefore, one of the objectives of this invention is to provide a real-time safety monitoring system and method for hanging baskets used in bridge construction. Through multi-dimensional data fusion, real-time monitoring and early warning, and a comprehensive and targeted monitoring layout, it can more comprehensively and accurately assess the safety status of the hanging basket, avoid misjudgments or omissions due to single data monitoring, significantly improve the safety and efficiency of hanging basket construction, and ensure the quality of bridge construction and the safety of construction personnel.

[0008] To solve the above-mentioned technical problems, the present invention provides the following technical solution:

[0009] On one hand, the present invention provides a real-time safety monitoring system for hanging baskets used in bridge construction, comprising:

[0010] The initial data acquisition module is used to acquire the initial horizontal data when the preset hanging basket is put into use, and to divide the initial horizontal data into at least 5 monitoring data. The 5 monitoring data include at least the vertical data of the four ends of the preset hanging basket in the downward position and the nearest horizontal end face.

[0011] The data acquisition module includes a sensor measurement method for data acquisition, which includes a tilt sensor. Based on the vertical data, the data acquisition module is used to collect changes in the vertical data during the use of the preset hanging basket. The acquisition method includes collecting data at a frequency of 2 to 3 times per minute and generating a database.

[0012] A fusion analysis unit; the fusion analysis unit responds to the database and is used to perform difference analysis on the vertical data in the database; the fusion analysis unit includes a stress acquisition module, a stress interval division module, a calculation module, and a judgment module;

[0013] The stress acquisition module responds to the data acquisition module and is used to simultaneously acquire the stress value of the preset hanging basket when acquiring the vertical data change, and analyze and compare the stress value with the acquired vertical data to obtain the correlation between the vertical data change and the stress value.

[0014] The stress interval division module, based on the correlation rule, is used to extract and divide relevant stress values ​​from the correlation rule; the relevant stress values ​​include at least three stress values ​​that cause the preset hanging basket to tilt at an angle of 1°; wherein, the three stress values ​​are sorted in ascending order, and the largest stress value among the sorted stress values ​​is marked as the risk value; this risk value is the risk value that causes the preset hanging basket to tilt at an angle of 1°;

[0015] The calculation module uses the risk value as a basis to calculate the stress value that would cause the preset hanging basket angle to tilt by 2°; and uses the stress value to preset a safety threshold.

[0016] Based on the safety threshold, the determination module determines that the structural safety of the preset hanging basket is at risk when the tilt angle of the preset hanging basket exceeds the safety threshold; otherwise, it does not make a determination.

[0017] A data monitoring unit, based on the risk value, is used to monitor the change of the risk value toward the safety threshold when the tilt angle of the preset hanging basket reaches the risk value; the data monitoring unit includes a time analysis module and an early warning module;

[0018] The time analysis module is used to analyze the increase and / or decrease of the preset hanging basket stress value in a time cycle of one second, and record the stress value for 5 to 10 consecutive time cycles.

[0019] The early warning module responds to the time analysis module and issues a safety warning when the stress value shows an increasing trend for 5 to 10 consecutive time periods; otherwise, no safety warning is issued.

[0020] The monitoring terminal is used to record the communication base station that matches the preset hanging basket and to receive the field data uploaded by the collection and monitoring point corresponding to the preset hanging basket. When the safety warning is issued for the preset hanging basket, the terminal initiates an information acquisition request for the warning status of the preset hanging basket to the communication base station.

[0021] In a preferred embodiment of the present invention, when the safety warning is issued, the stress value corresponding to the safety warning is recorded, the stress value is marked as a reference value, and the median value between the risk value and the safety threshold is obtained; when the reference value does not exceed the median value, the system determines that the stress change of the preset hanging basket is in a stable state, and correspondingly determines that the tilt change of the preset hanging basket is at a stable level; otherwise, no determination is made.

[0022] In a preferred embodiment of the present invention, when it is determined that the stress change of the preset hanging basket is in a non-stationary state, the difference between the median value and the safety threshold is obtained, the difference is marked as a critical value, and the stress value difference generated in adjacent time periods is calculated based on the stress value change trend in 5 to 10 consecutive time periods. The time required to reach the critical value is calculated based on the difference, and a safety warning is issued before the time arrives. At the same time, the system determines that the non-stationary state of the preset hanging basket is in a state of continuous deterioration.

[0023] In a preferred embodiment of the present invention, when it is determined that the non-stationary state of the preset hanging basket is in a continuously deteriorating state, the stress value at the end opposite to the end of the continuously deteriorating stress change of the preset hanging basket is collected using a method including diagonal analysis, and the collection frequency of the stress value at the opposite end is given to twice per second, while analyzing the change characteristics of the stress value; and based on the change characteristics, the stress value at the continuously deteriorating end is collected simultaneously at the given collection frequency, and the change trend of the two stress values ​​is calculated;

[0024] When the difference decreases, the system determines that the stress at both ends of the preset hanging basket tends to be balanced, and correspondingly determines that the tilt angle of the preset hanging basket is decreasing; otherwise, no determination is made.

[0025] In a preferred embodiment of the present invention, the initial data acquisition module further includes monitoring data for the area between the center of the preset hanging basket and the four ends of the preset hanging basket. The monitoring data consists of data from preset monitoring points between the center of the preset hanging basket and the four ends of the preset hanging basket. The four preset monitoring points are monitoring points located 0.3 to 0.5 meters away from the center of the preset hanging basket, and stress changes from the center to the four preset monitoring points are collected.

[0026] In a preferred embodiment of the present invention, the stress change data from the center to the four preset monitoring points is collected by simultaneously collecting the stress values ​​of the four preset monitoring points every second. If the stress value of one of the preset monitoring points is greater than the stress values ​​of the other preset monitoring points, the system marks the end corresponding to the stress value as the primary monitoring end.

[0027] In a preferred embodiment of the present invention, in addition to the primary monitoring end, the stress values ​​of other preset monitoring points are verified. The verification method includes continuously collecting the stress value changes of each preset monitoring point for 20 seconds. If the difference in the stress value changes is ≤1 to 2 Pascals, the system determines that the stress value changes of other ends are in a stable state except for the primary monitoring end.

[0028] In a preferred embodiment of the present invention, when it is determined that the stress value changes at other ends are in a non-stationary state, the variation law of stress values ​​at different ends is obtained, and the tilt angle of different ends of the preset hanging basket due to the stress value changes in the future period is predicted based on the variation law. Then, a graded management scheme corresponding to different tilt angles is formulated by evidence-based and Delphi method.

[0029] On the other hand, the present invention provides a method for real-time safety monitoring of hanging baskets used in bridge construction, which is applied to a real-time safety monitoring system for hanging baskets used in bridge construction, and includes the following steps:

[0030] Obtain the initial horizontal data when the preset hanging basket is put into use, and divide the initial horizontal data into at least 5 monitoring data. The 5 monitoring data include at least the vertical data of the four ends of the preset hanging basket in the downward position and the nearest horizontal end face.

[0031] Based on the vertical data, the changes in the vertical data are collected during the use of the preset hanging basket; the collection method includes collecting data at a frequency of 2 to 3 times per minute, and generating a database;

[0032] Perform difference analysis on the vertical data in the database; and simultaneously collect the stress value of the preset hanging basket when collecting the changes in the vertical data, analyze and compare the stress value with the collected vertical data, and obtain the correlation between the changes in the vertical data and the stress value;

[0033] The relevant stress values ​​are extracted from the correlation rules and divided; the relevant stress values ​​include at least 3 stress values ​​that cause the preset hanging basket to tilt at an angle of 1°; wherein, the 3 stress values ​​are sorted in ascending order, and the largest stress value among the sorted stress values ​​is marked as the risk value; this risk value is the risk value that causes the preset hanging basket to tilt at an angle of 1°;

[0034] Calculate the stress value that would cause the preset hanging basket angle to tilt by 2°; and use the stress value to preset a safety threshold.

[0035] When the tilt angle of the preset hanging basket exceeds the safety threshold, the system determines that the structural safety of the preset hanging basket is at risk; otherwise, no determination is made.

[0036] 1. By integrating multi-dimensional data and combining tilt sensor and stress value data, the safety status of the pre-set hanging basket can be assessed more comprehensively and accurately, avoiding misjudgment or omission due to single data monitoring.

[0037] 2. The detailed stress range division and analysis can more sensitively capture the changes in the tilt risk of the pre-set hanging basket under different stress levels, providing an accurate basis for timely safety measures;

[0038] 3. Real-time data acquisition and rapid response mechanism ensures that abnormal changes in the preset hanging basket tilt angle or stress value can be detected and an early warning issued immediately, giving construction personnel valuable emergency response time;

[0039] 4. Precise early warning and hierarchical management: Early warnings are issued in advance by calculating the trend of stress value changes and critical values, and hierarchical management plans are formulated to improve the safety management level and emergency response efficiency of pre-installed hanging basket construction.

[0040] 5. Comprehensively monitor key parts of the pre-set hanging basket, including the four ends of the pre-set hanging basket and the pre-set monitoring points from the center to the four ends, to gain a more comprehensive understanding of the overall stress and tilt of the pre-set hanging basket;

[0041] 6. Targeted monitoring of stress changes, identification of the primary monitoring end and verification of stress value changes at other ends, timely detection of potential local safety hazards, and ensuring the overall stability of the pre-set hanging basket. Attached Figure Description

[0042] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Wherein:

[0043] Figure 1 This is a schematic diagram of the modular structure of the real-time safety monitoring system for hanging baskets used in bridge construction according to an embodiment of the present invention;

[0044] Figure 2 This is a schematic diagram of the method flow according to an embodiment of the present invention;

[0045] Figure 3 This is a schematic diagram of the process structure of an embodiment of the present invention;

[0046] The diagram is labeled as follows: 110 - Initial data acquisition module; 120 - Data acquisition module; 130 - Fusion analysis unit; 1301 - Stress acquisition module; 1302 - Stress interval division module; 1303 - Calculation module; 1304 - Judgment module; 140 - Data monitoring unit; 1401 - Time analysis module; 1402 - Early warning module; 150 - Monitoring terminal. Detailed Implementation

[0047] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the described embodiments of the present invention are within the scope of protection of the present invention.

[0048] Due to insufficient data fusion at present, there is a lack of effective correlation analysis between the data from tilt sensors and stress sensors. It is difficult to comprehensively determine whether the tilt of the hanging basket is caused by changes in the stress on its own structure or by other reasons. This affects the comprehensive and accurate assessment of the tilt status of the hanging basket. As a result, when the tilt of the hanging basket exceeds a certain threshold, it is not possible to issue a timely and accurate warning signal, or the warning information is not clear enough, which cannot provide construction personnel with enough reaction time to take effective countermeasures, thus increasing the construction safety risks.

[0049] Based on this, the present invention proposes a real-time safety monitoring system and method for hanging baskets used in bridge construction. Through multi-dimensional data fusion, real-time monitoring and early warning, and a comprehensive and targeted monitoring layout, it can more comprehensively and accurately assess the safety status of the hanging basket, avoid misjudgment or omission due to single data monitoring, significantly improve the safety and efficiency of hanging basket construction, and ensure the quality of bridge construction and the safety of construction personnel.

[0050] The present solution will be further described in detail below through embodiments and in conjunction with the accompanying drawings.

[0051] Reference Figures 1 to 3 As one embodiment of the present invention, this embodiment provides a real-time safety monitoring system for hanging baskets used in bridge construction, comprising:

[0052] The initial data acquisition module 110 is used to acquire the initial horizontal data when the preset hanging basket is put into use, and to divide the initial horizontal data into at least 5 monitoring data. The 5 monitoring data include at least the vertical data of the four ends of the preset hanging basket in the downward position and the nearest horizontal end face.

[0053] The data acquisition module 120 includes a sensor measurement method for data acquisition, which includes a tilt sensor. The data acquisition module is based on vertical data and is used to collect changes in vertical data during the use of the preset hanging basket. The acquisition method includes a frequency of 2 to 3 times per minute and generates a database.

[0054] It should be noted that this embodiment also includes data collection in different time periods. If the environment of the bridge construction site is relatively stable, the stress change of the formwork is relatively slow, and the construction technology is relatively mature, the sensitivity to the tilt of the formwork is low. In this case, data collection in different time periods can be considered. For example, tilt data can be collected once a day before, during, and after construction, or data can be collected according to the transition nodes of the construction process, such as collecting data before and after concrete pouring, before and after the formwork is moved, etc., to grasp the tilt change trend of the formwork at different construction stages and provide a reference for construction management and quality control.

[0055] It should be further explained in this embodiment that the sensor measurement method also includes an accelerometer and a gyroscope; wherein, the accelerometer calculates the tilt angle of the basket by measuring the acceleration of the basket in different directions; the gyroscope can measure the angular velocity and rotation direction of the basket, and the tilt angle of the basket can be obtained by integrating the angular velocity.

[0056] Fusion analysis unit 130; Fusion analysis unit 130 responds to database and is used to perform difference analysis on vertical data in the database; Fusion analysis unit 130 includes stress acquisition module 1301, stress interval division module 1302, calculation module 1303 and judgment module 1304;

[0057] The stress acquisition module 1301 responds to the data acquisition module, which is used to simultaneously acquire the preset stress value of the hanging basket when the vertical data changes, and analyze and compare the stress value with the acquired vertical data to obtain the correlation between the vertical data change and the stress value.

[0058] The stress interval division module 1302 is based on the correlation law and is used to extract and divide the relevant stress values ​​in the correlation law. The relevant stress values ​​include at least 3 stress values ​​that cause the preset hanging basket to tilt at an angle of 1°. The 3 stress values ​​are sorted in ascending order, and the largest stress value among the sorted stress values ​​is marked as the risk value. This risk value is the risk value that causes the preset hanging basket to tilt at an angle of 1°.

[0059] The calculation module 1303 uses the risk value as a basis to calculate the stress value that would cause the preset hanging basket angle to tilt by 2°; and presets a safety threshold based on the stress value.

[0060] The judgment module 1304 is based on a safety threshold. When the tilt angle of the preset hanging basket exceeds the safety threshold, the system determines that the structural safety of the preset hanging basket is at risk; otherwise, it does not make a judgment.

[0061] It should be emphasized in this embodiment that when the preset tilt angle of the hanging basket is between 1° and 2°, although the structural stress of the hanging basket changes within this angle range, it is generally still within its safe bearing range and will not seriously affect the overall stability of the hanging basket. However, slight tilt may affect the quality of concrete pouring, leading to problems such as uneven concrete surface and uneven thickness. It may also cause the construction equipment and materials on the hanging basket to shift, increasing the difficulty and risk of construction operations.

[0062] It is also necessary to consider that when the preset tilt angle of the hanging basket is between 2° and 5°, the structural safety risk of the hanging basket increases significantly within this angle range. Some components may experience large stress concentrations, leading to increased deformation of the components, loosening of connections, and even local damage.

[0063] When the pre-set tilt angle of the hanging basket is greater than 5°, the hanging basket is in a very dangerous state and may overturn at any time. Most of the components of the hanging basket may have exceeded their design load-bearing capacity, resulting in serious deformation or damage, and the anchoring system may also fail. In this case, construction must be stopped immediately, and emergency measures must be taken to reinforce, adjust or dismantle the hanging basket to avoid serious safety accidents, casualties and property damage.

[0064] Data monitoring unit 140 is based on risk value and is used to monitor the change of risk value toward safety threshold when the preset tilt angle of the hanging basket reaches the risk value; data monitoring unit 140 includes time analysis module 1401 and early warning module 1402;

[0065] The time analysis module 1401 is used to analyze the increase and / or decrease of the preset hanging basket stress value in one second time cycle, and record the stress value for 5 to 10 consecutive time cycles;

[0066] The early warning module 1402 response time analysis module is used to issue a safety warning when the stress value shows an increasing trend for 5 to 10 consecutive time periods; otherwise, no safety warning is issued.

[0067] It is important to emphasize in this embodiment that when a safety warning is issued, the stress value corresponding to the safety warning is recorded, the stress value is marked as a reference value, and the median value between the risk value and the safety threshold is obtained; when the reference value does not exceed the median value, the system determines that the stress change of the preset hanging basket is in a stable state, and correspondingly determines that the tilt change of the preset hanging basket is at a stable level; otherwise, no determination is made.

[0068] When the stress change of the preset hanging basket is determined to be in a non-stationary state, the difference between the median value and the safety threshold is obtained, the difference is marked as the critical value, and the stress value difference generated by adjacent time periods is calculated based on the stress value change trend in 5 to 10 consecutive time periods. The time required to reach the critical value is calculated based on the difference, and a safety warning is issued before the time arrives. At the same time, the system determines that the non-stationary state of the preset hanging basket is in a state of continuous deterioration.

[0069] When the non-stationary state of the preset hanging basket is determined to be continuously deteriorating, the stress value at the opposite end of the preset hanging basket with continuously deteriorating stress is collected using a method including diagonal analysis. The collection frequency of the stress value at the opposite end is set to twice per second, and the change characteristics of the stress value are analyzed. Based on the change characteristics, the stress value at the continuously deteriorating end is collected at the given collection frequency, and the change trend of the two stress values ​​is calculated. When the difference is decreasing, the system determines that the stress at both ends of the preset hanging basket is approaching equilibrium, and the tilt angle of the preset hanging basket is decreasing accordingly; otherwise, no determination is made.

[0070] The monitoring terminal 150 is used to record the communication base station matched with the preset hanging basket and to receive the field data uploaded by the collection and monitoring point corresponding to the preset hanging basket. When a safety warning is issued for the preset hanging basket, it initiates an information acquisition request for the warning status of the preset hanging basket to the communication base station.

[0071] In this embodiment, the initial data acquisition module further includes monitoring data from the center of the preset hanging basket to the four ends of the preset hanging basket. The monitoring data are data from preset monitoring points from the center of the preset hanging basket to the four ends of the preset hanging basket. The four preset monitoring points are monitoring points located 0.3 to 0.5 meters away from the center of the preset hanging basket. The stress change from the center to the four preset monitoring points is collected.

[0072] Based on the above, this embodiment collects stress changes from the center to four preset monitoring points. The collection method includes simultaneously collecting the stress values ​​of the four preset monitoring points every second. If the stress value of one preset monitoring point is greater than the stress values ​​of the other preset monitoring points, the system will mark the end corresponding to the stress value as the primary monitoring end.

[0073] Specifically, in this embodiment, in addition to the primary monitoring end, the stress values ​​of other preset monitoring points are verified. The verification method includes continuously collecting the stress value changes of each preset monitoring point for 20 seconds. If the difference in stress value changes is ≤1 to 2 Pascals (Pa), the system determines that the stress value changes of other ends are in a stable state except for the primary monitoring end.

[0074] Furthermore, when it is determined that the stress value changes at other ends are in a non-stationary state, the variation pattern of stress values ​​at different ends is obtained. Based on the variation pattern, the tilt angle of different ends of the pre-set hanging basket due to stress value changes in the future period is predicted. And through evidence-based and Delphi method, a hierarchical management plan corresponding to different tilt angles is formulated.

[0075] Based on the above, this application, through multi-dimensional data fusion, real-time monitoring and early warning, and a comprehensive and targeted monitoring layout, can more comprehensively and accurately assess the safety status of the hanging basket, avoid misjudgments or omissions due to single data monitoring, significantly improve the safety and efficiency of hanging basket construction, and ensure the quality of bridge construction and the safety of construction personnel.

[0076] This embodiment, in conjunction with the aforementioned real-time safety monitoring system for hanging baskets used in bridge construction, also proposes the system's operating method, as follows:

[0077] Obtain the initial horizontal data when the preset hanging basket is put into use, and divide the initial horizontal data into at least 5 monitoring data. The 5 monitoring data include at least the vertical data of the four ends of the preset hanging basket in the downward position and the nearest horizontal end face.

[0078] Based on vertical data, vertical data changes are collected during the use of the pre-set hanging basket; the collection method includes collecting data at a frequency of 2 to 3 times per minute and generating a database.

[0079] Perform differential analysis on the vertical data in the database; and simultaneously collect the stress value of the preset hanging basket when collecting changes in vertical data, analyze and compare the stress value with the collected vertical data to obtain the correlation between changes in vertical data and stress value;

[0080] The relevant stress values ​​are extracted from the correlation rules and divided; the relevant stress values ​​include at least 3 stress values ​​that cause the preset hanging basket to tilt at an angle of 1°; the 3 stress values ​​are sorted in ascending order, and the largest stress value among the sorted stress values ​​is marked as the risk value; this risk value is the risk value that causes the preset hanging basket to tilt at an angle of 1°.

[0081] Calculate the stress value that would cause the preset hanging basket angle to tilt by 2°; and use the stress value to preset a safety threshold.

[0082] When the tilt angle of the preset hanging basket exceeds the safety threshold, the system determines that the structural safety of the preset hanging basket is at risk; otherwise, it does not make a determination.

[0083] In summary, this invention, through multi-dimensional data fusion, real-time monitoring and early warning, and a comprehensive and targeted monitoring layout, can more comprehensively and accurately assess the safety status of the hanging basket, avoid misjudgments or omissions due to single data monitoring, significantly improve the safety and efficiency of hanging basket construction, and ensure the quality of bridge construction and the safety of construction personnel.

[0084] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A hanging basket safety real-time monitoring system for bridge construction, characterized in that, The application relates to a safety monitoring system for a preset hanging basket, which comprises the following parts: an initial data acquisition module, which is used for acquiring initial horizontal data of the preset hanging basket in use and dividing the initial horizontal data into at least five monitoring data, wherein the five monitoring data at least include vertical data of four ends of the preset hanging basket in a downward position and a horizontal end face closest to the four ends; a data acquisition module, which comprises a sensor measurement method, and the sensor measurement method comprises an inclination sensor; the data acquisition module is used for acquiring vertical data changes of the preset hanging basket in use based on the vertical data; the acquisition mode comprises acquisition at a frequency of 2-3 times per minute, and a database is generated; a fusion analysis unit, which is used for performing difference analysis on the vertical data in the database in response to the database; the fusion analysis unit comprises a stress acquisition module, a stress interval division module, a calculation module and a judgment module; the stress acquisition module is used for synchronously acquiring stress values of the preset hanging basket when the vertical data changes are acquired in response to the data acquisition module, and the stress values are compared with the acquired vertical data to acquire a correlation rule of the vertical data changes and the stress values; the stress interval division module is used for intercepting and dividing relevant stress values in the correlation rule based on the correlation rule; the relevant stress values include at least three stress values which make the preset hanging basket develop at an inclination angle of 1 DEG; wherein the three stress values are sorted in ascending order, and the maximum stress value is marked as a risk value in the sorted stress values; the risk value is a risk value when the preset hanging basket is caused to be inclined at an angle of 1 DEG; the calculation module is used for calculating a stress value which causes the preset hanging basket to be inclined at an angle of 2 DEG based on the risk value; and a safety threshold value is preset for the stress value; the judgment module judges that the structure safety of the preset hanging basket is in a risk state when the inclination angle of the preset hanging basket exceeds the safety threshold value based on the safety threshold value; otherwise, the judgment module does not judge; a data monitoring unit, which is used for monitoring changes of the risk value towards the safety threshold value when the inclination angle of the preset hanging basket reaches the risk value based on the risk value; the data monitoring unit comprises a time analysis module and a warning module; the time analysis module is used for analyzing increase and / or decrease changes of the stress value of the preset hanging basket in each second as a time period, and recording stress values of 5-10 continuous time periods; the warning module is used for issuing a safety warning when the stress value shows an increasing change trend in the 5-10 continuous time periods in response to the time analysis module; otherwise, the warning module does not issue a safety warning; a monitoring terminal, which is used for recording a communication base station matched with the preset hanging basket, receiving on-site data uploaded by an acquisition monitoring point corresponding to the preset hanging basket, and initiating an information acquisition request of a warning state of the preset hanging basket to the communication base station when the safety warning is issued to the preset hanging basket. The initial data acquisition module, 5 the monitoring data also includes the monitoring data between the preset hanging basket center to the preset hanging basket four ends, the monitoring data is the data of the preset monitoring point between the preset hanging basket center to the preset hanging basket four ends, and 4 the preset monitoring point is the monitoring point at a distance of 0.3-0.5 meters from the preset hanging basket center, and the stress change of the center to 4 the preset monitoring point is collected.

2. The hanging basket safety real-time monitoring system for bridge construction of claim 1, wherein When the safety warning is issued, the stress value corresponding to the safety warning is recorded, the stress value is marked as a reference value, and the median value between the risk value and the safety threshold is obtained; when the reference value does not exceed the median value, the system determines that the stress change of the preset hanging basket is in a stable state, and the corresponding determination of the inclination change of the preset hanging basket is in a stable level; On the contrary, it is not determined.

3. The hanging basket safety real-time monitoring system for bridge construction of claim 2, wherein, When it is determined that the stress change of the preset hanging basket is in a non-stationary state, the difference between the median value and the safety threshold is obtained, the difference is marked as a critical value, the stress value difference generated in the adjacent time period is calculated according to the change trend of the stress value in the continuous 5-10 time periods, the time required to reach the critical value is calculated based on the difference value, and a safety warning is issued before the time comes, and the system determines that the non-stationary state of the preset hanging basket is in a continuous deterioration state.

4. The hanging basket safety real-time monitoring system for bridge construction of claim 3, wherein, When it is determined that the non-stationary state of the preset hanging basket is in a continuous deterioration state, the stress value of the opposite end of the continuously deteriorating end of the preset hanging basket is collected by using a diagonal analysis method, and the stress value of the opposite end is collected at a frequency of twice per second, while the change characteristics of the stress value are analyzed; And based on the change characteristics, the stress value of the continuously deteriorating end is collected at the given collection frequency, and the change trend of the two stress values is calculated, when the difference value is reduced, the system determines that the stress of the preset hanging basket at the two ends tends to be balanced, and the corresponding determination of the inclination angle of the preset hanging basket is in a decreasing state; on the contrary, it is not determined.

5. The hanging basket safety real-time monitoring system for bridge construction of claim 1, wherein, The collection of the stress change of the center to 4 the preset monitoring point includes collecting the stress value of 4 the preset monitoring point at the same time every second, if the stress value of one of the preset monitoring points is greater than that of the other preset monitoring points, the system will mark the end corresponding to the stress value as the primary monitoring end.

6. The hanging basket safety real-time monitoring system for bridge construction of claim 5, wherein, In addition to the primary monitoring end, the stress values of the other preset monitoring points are verified, and the verification method includes collecting the stress value change of each preset monitoring point for 20 seconds continuously, if the difference range of the stress value change is ≤1-2 pascal, the system determines that the stress value change of the other ends except the primary monitoring end is in a stable state.

7. The hanging basket safety real-time monitoring system for bridge construction of claim 6, wherein, When it is determined that the stress value change of the other ends is in a non-stationary state, the change law of the stress value of different ends is obtained, the inclination angle of the different ends of the preset hanging basket in the future period due to the stress value change is predicted based on the change law, and a hierarchical management scheme corresponding to different inclination angles is developed through evidence-based and Delphi method. 8.A method for real-time monitoring of a hanging basket for bridge construction, applied to the hanging basket for bridge construction real-time monitoring system according to claim 1, characterized in that, Including the following steps: Obtaining initial horizontal data of a preset hanging basket in use, and dividing the initial horizontal data into at least five monitoring data, wherein the five monitoring data at least include vertical data of four ends of the preset hanging basket in a downward position and a horizontal end face closest to the four ends; Based on the vertical data, collecting the vertical data changes in the use of the preset hanging basket, wherein the collecting method includes collecting 2-3 times per minute, and generating a database; Differentially analyzing the vertical data in the database, and synchronously collecting stress values of the preset hanging basket when collecting the vertical data changes, comparing and analyzing the stress values and the collected vertical data, and obtaining a correlation rule of the vertical data changes and the stress values; In the correlation rule, intercepting relevant stress values and dividing the relevant stress values, wherein the relevant stress values include at least three stress values causing the preset hanging basket to develop at an inclination angle of 1°, wherein the three stress values are sorted in ascending order, and the maximum stress value is marked as a risk value in the sorted stress values; The risk value is a risk value causing the preset hanging basket to be inclined at an angle of 1°; Calculating a stress value causing the preset hanging basket to be inclined at an angle of 2°, and presetting a safety threshold value with the stress value; When the inclination angle of the preset hanging basket exceeds the safety threshold value, the system determines that the structure safety of the preset hanging basket is in a risk state, otherwise, the system does not determine.

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