Protection method for safe operation of tower crane

Abstract

The invention provides a tower crane safety operation protection method, which is based on a tower crane safety operation protection system, and comprises a personnel management module, a data collection module, a data processing module, a tower crane operation track module, a safety radius and risk radius drawing module, an intersection detection module, an alarm signal processing module, a real-time operation module and the like. The method specifically comprises the following steps: S1, deploying a positioning base station in a tower crane operation area, and allocating positioning labels for all employees entering the area; s2, tower crane data are collected in real time, and the collected tower crane data are processed; s3, drawing a safety radius and a risk radius, and performing intersection detection; s4, performing potential risk reminding; s5, dynamically planning an optimal tower crane operation path of the tower crane rail car according to the real-time data; through the real-time personnel positioning technology and the tower crane rail car positioning technology, the operation blind area is effectively avoided, safety accidents caused by sight limitation are reduced, and the safety of tower crane operation is remarkably improved.

Description

Technical Field

[0001] The invention relates to the field of building construction, and in particular to a tower crane safe operation protection method. Background Art

[0002] Tower crane operation refers to the process of using tower cranes to lift and transport heavy objects at construction sites or large projects. A tower crane is a tall lifting device that is usually used to lift building materials (such as steel, concrete, etc.) from the ground to the construction site of a high-rise building. The operation of a tower crane involves precise control and coordination, and the operator needs to monitor the surrounding environment to ensure safe and efficient operation. In existing tower crane operations, due to the limited vision of the tower crane operator, there are blind spots in the operation, which may lead to cross-operation of personnel in the area directly below the tower crane rail car operation and collision with obstacles during the tower crane operation, increasing the risk of safety accidents. Summary of the invention

[0003] The purpose of the present invention is to solve the shortcomings existing in the prior art and to propose a tower crane safe operation protection method.

[0004] To achieve the above object, the present invention adopts the following technical solutions: Based on the tower crane safety operation protection system, the tower crane safety operation protection system includes a personnel management module, a data collection module, a data processing module, a tower crane operation trajectory module, a safety radius and risk radius drawing module, an intersection detection module, an alarm signal processing module, a real-time operation module, etc.; The data collection module is used to collect tower crane rail vehicle related data from sensors; The data processing module is used to process the collected tower crane data, including data cleaning, formatting, normalization, etc.; The tower crane operation trajectory module is used to draw the position and movement trajectory of the tower crane rail vehicle in real time; The safety radius and risk radius are used to draw the safe operation area and risk operation area of ​​the tower crane rail vehicle; The intersection detection module is used to detect the overlapping area between the safety radius and the risk radius and other tower crane rail vehicles or obstacles; The alarm signal processing module is used to receive potential risk information, trigger an alarm signal, and remind relevant personnel of potential risks; The real-time operation module is used to display the real-time position, movement trajectory, safety radius area and risk radius area, intersection detection results, etc. of the tower crane rail vehicle; The present invention also proposes a tower crane safe operation protection method, comprising the following steps: S1: Deploy positioning base stations in the tower crane operation area and equip all employees entering this area with positioning tags; Engineers determine the deployment location of the positioning base station in the tower crane operation area based on factors such as the coverage of the positioning base station, the impact of obstacles, and power supply. After the deployment is completed, the regional map of the tower crane operation area is obtained through on-site surveying, architectural drawings, drone aerial photography, etc. The regional map is uploaded to the GIS platform, and the base station location is marked on the regional map according to the location of the deployed base station. Assign positioning tags to personnel entering the tower crane operation area, and enter the corresponding employee identity information, job type or department information into the positioning tags; The employee identity information includes employee number, name, etc.; The job type or department information includes the employee's job responsibilities or department to which he or she belongs; Furthermore, GPS or base station positioning technology is integrated into the positioning tag to update the employee's location information in real time; The positioning tag is equipped with motion sensors, environmental sensors, etc. to detect the employee's status information and environmental information in real time; the status information includes motion status and static status; the environmental information includes temperature, humidity, light, etc.; Furthermore, the location tag is bound to the personnel management module, and the information in the location tag is synchronized to the personnel management module in real time; By binding the positioning tag with the personnel management module, the information of participating personnel can be recorded and tracked to achieve comprehensive management and control of personnel.

[0005] S2: collect tower crane data in real time and process the collected tower crane data; The following sub-steps are included: S21: Collect crane data; A variety of sensors are installed on the tower crane rail car, including inclination sensors, wind speed sensors, pressure sensors, load sensors, position sensors, acceleration sensors, etc. The data collection module collects tower crane data from sensors in real time, and the tower crane data includes tilt angle, wind speed, pressure, load, position, acceleration, etc.; Specifically, the tilt angle of the tower crane is monitored in real time through the inclination sensor; the wind speed around the tower crane rail car is monitored in real time through the wind speed sensor; the pressure of each part of the tower crane rail car is monitored in real time through the pressure sensor; the lifting weight of the tower crane rail car is monitored in real time through the load sensor; the position information of the tower crane rail car is obtained in real time through the position sensor; the acceleration change of the tower crane rail car during movement is obtained in real time through the acceleration sensor, etc. S22: Processing the collected tower crane data; The data processing module performs data cleaning, formatting, normalization and other processing on the tower crane data; Specifically, the data cleaning includes removing noise, processing missing values, etc.; using filtering algorithms to remove noise in tower crane data; using interpolation or mean filling methods to process missing values ​​in tower crane data; Use data processing frameworks such as Pandas to convert the collected crane data into a unified format; the formats include CSV, JSON, etc.; The Min-Max method is used to normalize the tower crane data and scale the tower crane data to between 0 and 1.

[0006] S3: Draw the safety radius and risk radius, and perform intersection detection; The following sub-steps are included: S31: Obtain the moving trajectory of the tower crane rail vehicle; The tower crane operation trajectory module transmits the location information of the tower crane rail vehicle in step S2 to the GIS platform through real-time data transmission methods such as WebSocket. The GIS platform receives the location information of the tower crane rail vehicle in real time, draws the current location information of the tower crane rail vehicle in the regional map of the GIS platform, connects the historical location information of the tower crane rail vehicle, and obtains the movement trajectory of the tower crane rail vehicle; The regional map of the GIS platform also includes the location movement trajectories of other tower crane rail vehicles, the location information of obstacles, the personnel activity areas, etc. S32: Draw the operation area of ​​the tower crane rail vehicle; The operation area includes a safe operation area and a risky operation area; Engineers set the safety radius and risk radius and select the graphic type corresponding to the radius in combination with the industry standards and safety specifications of the tower crane; the graphic types include circle, rectangle, etc.; The safety radius and risk radius drawing module uses graphical tools to draw the safe operation area and risk operation area of ​​the current tower crane rail vehicle on the regional map of the GIS platform according to the set safety radius, risk radius, and graphic type; S33: Perform intersection detection to determine whether there is a potential risk for the tower crane rail vehicle; Obtain the location information of other tower cranes and rail vehicles and obstacles contained in the regional map, and obtain the safe operation areas and risky operation areas of other tower cranes and rail vehicles; Calculate the intersection area and union area of ​​the current tower crane rail vehicle's operating area and other tower crane rail vehicles and obstacles in the area map; Specifically, the intersection detection module uses geometry libraries such as Shapely to calculate the intersection area of ​​the current tower crane rail vehicle's safe operation area and risky operation area with other tower crane rail vehicles' safe operation areas and risky operation areas; the intersection detection module uses geometry libraries such as Shapely to calculate the intersection area of ​​the current tower crane rail vehicle and obstacles; the total intersection area is obtained by adding up the obtained intersections; The union area = the safe operating area of ​​the current tower crane rail vehicle + the risky operating area of ​​the current tower crane rail vehicle + the safe operating area of ​​other tower crane rail vehicles + the risky operating area of ​​other tower crane rail vehicles + the area of ​​obstacles - the total intersection area; Set the threshold I according to actual needs, and calculate the ratio of the intersection area to the union area, recorded as IOU; IOU = intersection area / union area; The IOU value is compared with the threshold value I. If the IOU value is greater than the threshold value I, it is judged that the tower crane rail vehicle has potential risks such as collision; otherwise, there is no potential risk such as collision.

[0007] S4: Provide potential risk reminders; If the intersection detection module detects a potential risk, the potential risk information is passed to the alarm signal processing module; The alarm signal processing module receives potential risk information, triggers an alarm signal, and notifies on-site managers and operators through interface prompts, sound alarms, SMS notifications, etc. Specifically, potential risk reminders are provided by prompting warning information on the monitoring interface of the tower crane safety operation protection system, triggering a buzzer or speaker to sound an alarm, and sending warning information to managers, operators, etc. via text messages; S5: Dynamically plan the optimal tower crane operation path of the tower crane rail vehicle based on real-time data; Based on the motion information and environmental information of the tower crane rail vehicle, the improved RRT or probabilistic road sign method is used to plan the tower crane operation path of the tower crane rail vehicle in real time; The motion information includes real-time position, acceleration, etc.; The environmental information includes location information of obstacles, personnel activity areas, etc.; The safety assessment module combines BIM technology and tower crane rail vehicle data collected in real time by sensors to evaluate the planned tower crane operation path and obtain the optimal tower crane operation path; Specifically, the safety assessment module uses a collision detection algorithm to detect in real time whether there is a potential conflict between the spatial interaction between the tower crane rail vehicle and personnel or equipment in the planned tower crane operation path; based on the assessment results, the tower crane operation path is optimized to obtain the optimal tower crane operation path; The real-time operation module displays the optimal tower crane operation path to the tower crane driver in real time through a graphical interface; The tower crane driver performs tower crane operations according to the optimal tower crane operation path.

[0008] Compared with the prior art, the present invention has the following beneficial effects: The present invention effectively avoids blind spots in operations through real-time personnel positioning technology and tower crane rail vehicle positioning technology, reduces safety accidents caused by limited vision, and significantly improves the safety of tower crane operations; by drawing the safe operation area and risky operation area of ​​the tower crane trolley and calculating the intersection with other tower crane trolleys and obstacles, the safety status of the operation area can be monitored in real time. Once it is detected that the personnel safety radius and the tower crane risk radius intersect, an early warning is immediately issued, providing valuable reaction time for on-site operators and tower crane operators; at the same time, the optimal tower crane operation path is recommended based on the intersection detection result, reducing operation interruptions caused by safety problems caused by incorrect tower crane operation path, and improving operation efficiency; Through visual display, the tower crane driver can intuitively understand the safety status of the operating area, which enhances the transparency of the operation and helps to improve the confidence of the operators and the accuracy of the operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 The present invention is a flowchart of the steps of the tower crane safe operation protection method. DETAILED DESCRIPTION

[0010] In order to provide a further understanding of the purpose, structure, features, and functions of the present invention, the following detailed description is given in conjunction with the embodiments.

[0011] like Figure 1 As shown, a tower crane safety operation protection method is based on a tower crane safety operation protection system, and the tower crane safety operation protection system includes a personnel management module, a data collection module, a data processing module, a tower crane operation trajectory module, a safety radius and risk radius drawing module, an intersection detection module, an alarm signal processing module, a real-time operation module, etc.; The data collection module is used to collect tower crane rail vehicle related data from sensors; The data processing module is used to process the collected tower crane data, including data cleaning, formatting, normalization, etc.; The tower crane operation trajectory module is used to draw the position and movement trajectory of the tower crane rail vehicle in real time; The safety radius and risk radius are used to draw the safe operation area and risk operation area of ​​the tower crane rail vehicle; The intersection detection module is used to detect the overlapping area between the safety radius and the risk radius and other tower crane rail vehicles or obstacles; The alarm signal processing module is used to receive potential risk information, trigger an alarm signal, and remind relevant personnel of potential risks; The real-time operation module is used to display the real-time position, movement trajectory, safety radius area and risk radius area, intersection detection results, etc. of the tower crane rail vehicle; Preferably, it also includes a positioning equipment management module, a tower crane equipment management module, a personnel management module, a data storage and analysis module, a communication module, and a system management module; The positioning device management module is used to manage personnel positioning devices, including basic information of the device, device location, power, alarm data, bound personnel, etc. The tower crane equipment management module is used to manage the tower crane equipment, including information such as the foundation, positioning, and driver of the tower crane; The personnel management module is used to establish a personnel management system to record and track the information of participating personnel, including personnel entry management, behavior management, exit and exit management, etc., to achieve comprehensive management and control of construction unit personnel; The data storage and analysis module is used to store historical data and provide data analysis tools for trend analysis, accident prevention and report generation; The communication module is used to ensure data transmission between the system and sensors, user interfaces and other possible external systems (such as enterprise resource planning systems); The system management module is responsible for the configuration, maintenance and upgrade of the system to ensure the stable operation of the system.

[0012] The present invention also proposes a tower crane safe operation protection method, comprising the following steps: S1: Deploy positioning base stations in the tower crane operation area and equip all employees entering this area with positioning tags; Engineers determine the deployment location of the positioning base station in the tower crane operation area based on factors such as the coverage of the positioning base station, the impact of obstacles, and power supply. After the deployment is completed, the regional map of the tower crane operation area is obtained through on-site surveying, architectural drawings, drone aerial photography, etc. The regional map is uploaded to the GIS platform, and the base station location is marked on the regional map according to the location of the deployed base station. Assign positioning tags to personnel entering the tower crane operation area, and enter the corresponding employee identity information, job type or department information into the positioning tags; The employee identity information includes employee number, name, etc.; The job type or department information includes the employee's job responsibilities or department to which he or she belongs; Furthermore, GPS or base station positioning technology is integrated into the positioning tag to update the employee's location information in real time; The positioning tag is equipped with motion sensors, environmental sensors, etc. to detect the employee's status information and environmental information in real time; the status information includes motion status and static status; the environmental information includes temperature, humidity, light, etc.; Furthermore, the location tag is bound to the personnel management module, and the information in the location tag is synchronized to the personnel management module in real time; By binding the positioning tag with the personnel management module, the information of participating personnel can be recorded and tracked to achieve comprehensive management and control of personnel.

[0013] S2: collect tower crane data in real time and process the collected tower crane data; The following sub-steps are included: S21: Collect crane data; A variety of sensors are installed on the tower crane rail car, including inclination sensors, wind speed sensors, pressure sensors, load sensors, position sensors, acceleration sensors, etc. The data collection module collects tower crane data from sensors in real time, and the tower crane data includes tilt angle, wind speed, pressure, load, position, acceleration, etc.; Specifically, the tilt angle of the tower crane is monitored in real time through the inclination sensor; the wind speed around the tower crane rail car is monitored in real time through the wind speed sensor; the pressure of each part of the tower crane rail car is monitored in real time through the pressure sensor; the lifting weight of the tower crane rail car is monitored in real time through the load sensor; the position information of the tower crane rail car is obtained in real time through the position sensor; the acceleration change of the tower crane rail car during movement is obtained in real time through the acceleration sensor, etc. S22: Processing the collected tower crane data; The data processing module performs data cleaning, formatting, normalization and other processing on the tower crane data; Specifically, the data cleaning includes removing noise, processing missing values, etc.; using filtering algorithms to remove noise in tower crane data; using interpolation or mean filling methods to process missing values ​​in tower crane data; Use data processing frameworks such as Pandas to convert the collected crane data into a unified format; the formats include CSV, JSON, etc.; The Min-Max method is used to normalize the tower crane data and scale the tower crane data to between 0 and 1.

[0014] S3: Draw the safety radius and risk radius, and perform intersection detection; The following sub-steps are included: S31: Obtain the moving trajectory of the tower crane rail vehicle; The tower crane operation trajectory module transmits the location information of the tower crane rail vehicle in step S2 to the GIS platform through real-time data transmission methods such as WebSocket. The GIS platform receives the location information of the tower crane rail vehicle in real time, draws the current location information of the tower crane rail vehicle in the regional map of the GIS platform, connects the historical location information of the tower crane rail vehicle, and obtains the movement trajectory of the tower crane rail vehicle; The regional map of the GIS platform also includes the location movement trajectories of other tower crane rail vehicles, the location information of obstacles, the personnel activity areas, etc. By combining the processed data with the GIS platform, the position of the tower crane on the map is dynamically updated, and the movement trajectory of the tower crane rail car is visualized on the regional map. The position and movement trajectory of the tower crane can be monitored in real time, the transparency of on-site operations can be improved, potential safety hazards can be discovered in time, and corresponding response measures can be taken to reduce the risk of accidents. S32: Draw the operation area of ​​the tower crane rail vehicle; The operation area includes a safe operation area and a risky operation area; Engineers set the safety radius and risk radius and select the graphic type corresponding to the radius in combination with the industry standards and safety specifications of the tower crane; the graphic types include circle, rectangle, etc.; The safety radius and risk radius drawing module uses graphical tools to draw the safe operation area and risk operation area of ​​the current tower crane rail vehicle on the regional map of the GIS platform according to the set safety radius, risk radius, and graphic type; Furthermore, the real-time operation module displays the safe operation area and risky operation area to the tower crane driver in real time through a graphical interface, so that the operator can intuitively understand the safety status of the operation area; S33: Perform intersection detection to determine whether there is a potential risk for the tower crane rail vehicle; Obtain the location information of other tower cranes and rail vehicles and obstacles contained in the regional map, and obtain the safe operation areas and risky operation areas of other tower cranes and rail vehicles; Calculate the intersection area and union area of ​​the current tower crane rail vehicle's operating area and other tower crane rail vehicles and obstacles in the area map; Specifically, the intersection detection module uses geometry libraries such as Shapely to calculate the intersection area of ​​the current tower crane rail vehicle's safe operation area and risky operation area with other tower crane rail vehicles' safe operation areas and risky operation areas; the intersection detection module uses geometry libraries such as Shapely to calculate the intersection area of ​​the current tower crane rail vehicle and obstacles; the total intersection area is obtained by adding up the obtained intersections; The union area = the safe operating area of ​​the current tower crane rail vehicle + the risky operating area of ​​the current tower crane rail vehicle + the safe operating area of ​​other tower crane rail vehicles + the risky operating area of ​​other tower crane rail vehicles + the area of ​​obstacles - the total intersection area; Set the threshold I according to actual needs, and calculate the ratio of the intersection area to the union area, recorded as IOU; IOU = intersection area / union area; The IOU value is compared with the threshold value I. If the IOU value is greater than the threshold value I, it is judged that the tower crane rail vehicle has potential risks such as collision; otherwise, there is no potential risk such as collision.

[0015] S4: Provide potential risk reminders; If the intersection detection module detects a potential risk, the potential risk information is passed to the alarm signal processing module; The alarm signal processing module receives potential risk information, triggers an alarm signal, and notifies on-site managers and operators through interface prompts, sound alarms, SMS notifications, etc. Specifically, potential risk reminders are provided by prompting warning information on the monitoring interface of the tower crane safety operation protection system, triggering a buzzer or speaker to sound an alarm, and sending warning information to managers, operators, etc. via text messages; Furthermore, the real-time operation module displays the intersection detection results to the tower crane operator in real time through a graphical interface; S5: Dynamically plan the optimal tower crane operation path of the tower crane rail vehicle based on real-time data; Based on the motion information and environmental information of the tower crane rail vehicle, the improved RRT or probabilistic road sign method is used to plan the tower crane operation path of the tower crane rail vehicle in real time; The motion information includes real-time position, acceleration, etc.; The environmental information includes location information of obstacles, personnel activity areas, etc.; Through path planning, it can ensure that the hoisting path avoids detected obstacles and dangerous areas, improving the safety of tower crane operations; The safety assessment module combines BIM technology and tower crane rail vehicle data collected in real time by sensors to evaluate the planned tower crane operation path and obtain the optimal tower crane operation path; Specifically, the safety assessment module uses a collision detection algorithm to detect in real time whether there is a potential conflict between the spatial interaction between the tower crane rail vehicle and personnel or equipment in the planned tower crane operation path; based on the assessment results, the tower crane operation path is optimized to obtain the optimal tower crane operation path; The real-time operation module displays the optimal tower crane operation path to the tower crane driver in real time through a graphical interface; The tower crane driver performs tower crane operations according to the optimal tower crane operation path.

[0016] The present invention has been described by the above-mentioned relevant embodiments, however, the above-mentioned embodiments are only examples for implementing the present invention. It must be pointed out that the disclosed embodiments do not limit the scope of the present invention. On the contrary, changes and modifications made without departing from the spirit and scope of the present invention are all within the scope of patent protection of the present invention.

Claims

1. A tower crane safety operation protection method, characterized in that: The following steps are involved: S1: Deploy positioning base stations in the tower crane operation area and equip all employees entering this area with positioning tags; Engineers determine the deployment location of the positioning base station in the tower crane operation area based on the coverage of the positioning base station, the impact of obstacles, and power supply factors; After deployment, obtain the regional map of the tower crane operation area through on-site surveying, architectural drawings, and drone aerial photography; Upload the regional map to the GIS platform and mark the base station locations on the regional map according to the deployed base station locations; Assign positioning tags to personnel entering the tower crane operation area, and enter the corresponding employee identity information, job type or department information into the positioning tags; S2: collect tower crane data in real time and process the collected tower crane data; The following sub-steps are included: S21: Collect crane data; There are various sensors installed on the tower crane rail car, and the data collection module collects tower crane data from the sensors in real time; S22: Processing the collected tower crane data; The data processing module cleans, formats and normalizes the tower crane data; S3: Draw the safety radius and risk radius, and perform intersection detection; The following sub-steps are included: S31: Obtain the moving trajectory of the tower crane rail vehicle; The tower crane operation trajectory module transmits the location information of the tower crane rail vehicle in step S2 to the GIS platform through the WebSocket real-time data transmission method. The GIS platform receives the location information of the tower crane rail vehicle in real time, draws the current location information of the tower crane rail vehicle in the regional map of the GIS platform, connects the historical location information of the tower crane rail vehicle, and obtains the movement trajectory of the tower crane rail vehicle; The regional map of the GIS platform also includes the location movement tracks of other tower crane rail vehicles, the location information of obstacles, and the personnel activity areas; S32: Draw the operation area of ​​the tower crane rail vehicle; The operation area includes a safe operation area and a risky operation area; Engineers set the safety radius and risk radius and select the graphic type corresponding to the radius based on the industry standards and safety specifications of the tower crane; The safety radius and risk radius drawing module uses graphical tools to draw the safe operation area and risk operation area of ​​the current tower crane rail vehicle on the regional map of the GIS platform according to the set safety radius, risk radius, and graphic type; S33: Perform intersection detection to determine whether there is a potential risk for the tower crane rail vehicle; S4: Provide potential risk reminders; If the intersection detection module detects a potential risk, the potential risk information is passed to the alarm signal processing module; the alarm signal processing module receives the potential risk information, triggers an alarm signal, and reminds relevant personnel of the potential risk; S5: Dynamically plan the optimal tower crane operation path of the tower crane rail vehicle based on real-time data; Based on the motion information and environmental information of the tower crane rail vehicle, the improved RRT or probabilistic road sign method is used to plan the tower crane operation path of the tower crane rail vehicle in real time; The safety assessment module combines BIM technology and tower crane rail vehicle data collected in real time by sensors to evaluate the planned tower crane operation path and obtain the optimal tower crane operation path; The tower crane driver performs tower crane operations according to the optimal tower crane operation path.

2. The tower crane safe operation protection method according to claim 1, characterized in that: The specific content of step S2 is as follows: S21: Collect crane data; A variety of sensors are installed on the tower crane rail car, including inclination sensors, wind speed sensors, pressure sensors, load sensors, position sensors, and acceleration sensors; The data collection module collects tower crane data from sensors in real time, and the tower crane data includes tilt angle, wind speed, pressure, load, position, and acceleration; Specifically, the tilt angle of the tower crane is monitored in real time through the inclination sensor; the wind speed around the tower crane rail car is monitored in real time through the wind speed sensor; the pressure of each part of the tower crane rail car is monitored in real time through the pressure sensor; the lifting weight of the tower crane rail car is monitored in real time through the load sensor; the position information of the tower crane rail car is obtained in real time through the position sensor; the acceleration change of the tower crane rail car during movement is obtained in real time through the acceleration sensor; S22: Processing the collected tower crane data; The data processing module cleans, formats and normalizes the tower crane data; Specifically, the data cleaning includes removing noise and processing missing values; Use filtering algorithms to remove noise from crane data; use interpolation or mean filling methods to handle missing values ​​in crane data; Use the Pandas data processing framework to convert the collected crane data into a unified format; The Min-Max method is used to normalize the tower crane data and scale the tower crane data to between 0 and 1.

3. The tower crane safe operation protection method according to claim 1, characterized in that: The specific contents of step S33 are as follows: Obtain the location information of other tower cranes and rail vehicles and obstacles contained in the regional map, and obtain the safe operation areas and risky operation areas of other tower cranes and rail vehicles; Calculate the intersection area and union area of ​​the current tower crane rail vehicle's operating area and other tower crane rail vehicles and obstacles in the area map; Specifically, the intersection detection module uses the Shapely geometry library to calculate the intersection area of ​​the current tower crane rail vehicle's safe operating area and risky operating area with other tower crane rail vehicles' safe operating areas and risky operating areas; The intersection detection module uses the Shapely geometry library to calculate the intersection area of ​​the current tower crane rail car and the obstacle; the total intersection area is obtained by adding up the intersections obtained; The union area = the safe operating area of ​​the current tower crane rail vehicle + the risky operating area of ​​the current tower crane rail vehicle + the safe operating area of ​​other tower crane rail vehicles + the risky operating area of ​​other tower crane rail vehicles + the area of ​​obstacles - the total intersection area; Set the threshold I according to actual needs, and calculate the ratio of the intersection area to the union area, recorded as IOU; IOU = intersection area / union area; The IOU value is compared with the threshold value I. If the IOU value is greater than the threshold value I, it is judged that the tower crane rail vehicle has potential risks; otherwise, there is no potential risk.

4. The tower crane safe operation protection method according to claim 1, characterized in that: In step S4, the alarm signal processing module receives the potential risk information, triggers the alarm signal, and notifies the on-site management personnel and operators through interface prompts, sound alarms, and SMS notifications; Specifically, potential risk reminders are provided by displaying warning messages on the monitoring interface of the tower crane safety operation protection system, triggering a buzzer or speaker to sound an alarm, and sending warning messages to managers and operators via text messages.

5. The tower crane safe operation protection method according to claim 1, characterized in that: In step S5, the safety assessment module uses a collision detection algorithm to detect in real time whether there is a potential conflict between the spatial interaction between the tower crane rail vehicle and personnel or equipment in the planned tower crane operation path; based on the assessment results, the tower crane operation path is optimized to obtain the optimal tower crane operation path; The real-time operation module displays the optimal tower crane operation path to the tower crane operator in real time through a graphical interface.

6. A tower crane safe operation protection system, characterized in that: To realize the rights The tower crane safe operation protection method described in any one of items 1-5 comprises a personnel management module, a data collection module, a data processing module, a tower crane operation trajectory module, a safety radius and risk radius drawing module, an intersection detection module, an alarm signal processing module, and a real-time operation module; The data collection module is used to collect tower crane rail vehicle related data from sensors; The data processing module is used to process the collected tower crane data, including data cleaning, formatting, and normalization; The tower crane operation trajectory module is used to draw the position and movement trajectory of the tower crane rail vehicle in real time; The safety radius and risk radius are used to draw the safe operation area and risk operation area of ​​the tower crane rail vehicle; The intersection detection module is used to detect the overlapping area between the safety radius and the risk radius and other tower crane rail vehicles or obstacles; The alarm signal processing module is used to receive potential risk information, trigger an alarm signal, and remind relevant personnel of potential risks; The real-time operation module is used to display the real-time position, movement trajectory, safety radius area and risk radius area, and intersection detection results of the tower crane rail vehicle.

Images