Roof cantilever plate frame monitoring system and method and frame body structure

Abstract

The invention provides a monitoring system and method for a roof cantilever plate frame and a frame body structure, and belongs to the technical field of building construction, and the monitoring system comprises an acoustic characteristic monitoring module, an electrical characteristic monitoring module, a mechanical characteristic monitoring module, a data processing module and a B / S application structure system. The acoustic characteristic monitoring module is used for acoustically monitoring the construction of the cantilever frame; the electrical property monitoring module is used for monitoring the use of electrical equipment for cantilever frame construction; the mechanical property monitoring module is used for monitoring mechanical properties on the cantilever frame structure; the data processing module is used for processing data of the acoustic characteristic monitoring module, the electrical characteristic monitoring module and the mechanical characteristic monitoring module; and the B / S application structure system is used for storing the monitoring data in the data processing module in a server and browsing the monitoring data by using a browser. The problems that according to a conventional method, the stability of the frame body is difficult to guarantee, the forming quality of the cantilever structure is greatly affected, and the quality safety risk is large are solved.

Description

Technical Field

[0001] The present invention belongs to the technical field of building construction, and in particular, relates to a monitoring system, method and frame structure of a roof cantilevered plate frame. Background Art

[0002] With the rapid development of the construction industry, and in order to meet people's demand for visual effects of building appearance, the roof shapes of many high-rise and super-high-rise residential buildings are becoming more and more complex and diverse, and even many cantilever structures of the roof frame layer exceed the roof building plane. However, this type of design has caused great difficulties in construction; the current conventional method is to use steel pipes or discs to build a ground-type full-floor support frame system to carry out high-altitude reinforced concrete cantilever slab construction.

[0003] The traditional cantilever structure has a large span and very high requirements for construction quality. It is difficult to ensure the stability of the frame using conventional methods, which has a great impact on the forming quality of the cantilever structure and poses a great quality and safety risk. Therefore, a monitoring system, method and frame structure of a roof cantilever frame are designed. Summary of the invention

[0004] The embodiments of the present invention provide a monitoring system, method and frame structure for a roof cantilever panel frame, which solves the problem that conventional methods are difficult to ensure the stability of the frame, have a great impact on the forming quality of the cantilever structure, and have a great quality and safety risk.

[0005] In view of the above problems, the technical solution proposed by the present invention is:

[0006] The present invention provides a monitoring system for a roof cantilevered panel frame, comprising an acoustic characteristic monitoring module, an electrical characteristic monitoring module, a mechanical characteristic monitoring module, a data processing module and a B / S application structure system;

[0007] The acoustic characteristic monitoring module is used to acoustically monitor the construction of the cantilever frame;

[0008] The electrical characteristic monitoring module is used to monitor the use of electrical equipment in cantilever frame construction;

[0009] The mechanical property monitoring module is used to monitor the mechanical properties of the cantilever frame structure;

[0010] The data processing module is used to process the data of the acoustic characteristic monitoring module, the electrical characteristic monitoring module and the mechanical characteristic monitoring module;

[0011] The B / S application structure system is used to store the monitoring data in the data processing module on a server and browse the data using a browser.

[0012] As a preferred technical solution of the present invention, the acoustic characteristic monitoring module includes a noise monitoring unit and a connection point acoustic monitoring unit. The noise monitoring unit is used to monitor the construction of the cantilever frame using a sound level meter and locate the noise using sound source localization technology. The sound source localization is specifically as follows:

[0013] A. Arrange multiple sound receiving devices around the structure to capture the sound signals emitted by the structure and process the sound signals;

[0014] B, calculate the location range of the sound source based on the time difference;

[0015] C, using machine learning or signal processing algorithms to identify and classify different sound sources;

[0016] D. Send the analyzed data to the B / S application structure system in real time for storage;

[0017] The connection point acoustic monitoring unit uses the sound receiving device of the noise monitoring unit to receive sound, capture the sound of the loose connection point, and judge the looseness of the connection point, specifically:

[0018] a. Arrange the sound receiving equipment reasonably near the connection point and collect the sound data of the connection point under normal working conditions as the baseline data;

[0019] b. Preprocess the collected sound signals

[0020] c. Extract the features of the sound signal, compare the extracted features with the baseline data, and identify normal and abnormal sound patterns;

[0021] d. Continuously analyze the sound signal and set the threshold of the sound feature based on engineering experience to determine whether the connection point is loose.

[0022] As a preferred technical solution of the present invention, the electrical characteristic monitoring module includes a cable monitoring unit, a socket monitoring unit and a lighting monitoring unit, and the cable monitoring unit is used to monitor the current condition of the cable and the overheating condition of the cable connector;

[0023] The socket monitoring unit is used to monitor whether the socket wiring is correct and the load condition;

[0024] The lighting monitoring unit is used to monitor the brightness of the lighting equipment.

[0025] As a preferred technical solution of the present invention, the mechanical property monitoring module includes a load monitoring unit, a deformation monitoring unit, a tension monitoring unit and a damage monitoring unit, and the load monitoring unit is used to monitor the load condition of the cantilever frame;

[0026] The deformation monitoring unit uses digital image correlation technology to monitor the structural deformation of the cantilever frame, uses a shooting device to shoot the graphics of the object surface, and based on the image recognition technology, extracts the feature points between the images based on the pixel grayscale changes between two or more images, and calculates the relative displacement between the feature points, so as to monitor the displacement and deformation of the object surface;

[0027] The tension monitoring unit uses a sensor to monitor the change in the tension value of the wire rope;

[0028] The damage monitoring unit is used to monitor micro cracks or deformation inside the cantilever frame structure or material.

[0029] As a preferred technical solution of the present invention, the data processing module includes a data display unit, a data mining unit and an early warning unit. The data display unit uses GIS and GPS software to display a dynamic map of the cantilever frame and displays the monitored data in the form of charts;

[0030] The data mining unit is used to highlight the areas with higher problem frequencies in the collected data, specifically:

[0031] Step 1, extracting the data collected by the data display unit and collating the alarm history data;

[0032] Step 2: According to the time range to be analyzed, all abnormal records within the period are screened out, and the screened data are counted to calculate the alarm frequency at each monitoring point or in each time period;

[0033] Step 3, associating the filtered data with the geographic location, and determining the location of each alarm event on the map;

[0034] Step 4: Apply the Getis-Ord General G statistical method to perform hot spot analysis. According to the results of the Getis-Ord General G statistics, identify statistically significant hot spots, that is, areas with abnormally high alarm frequencies;

[0035] The early warning unit is used to issue an early warning prompt when the monitoring data exceeds the safety critical value.

[0036] On the other hand, a method for using a monitoring system of a roof cantilever panel frame monitoring system comprises the following steps:

[0037] S1, according to the design drawings, the compression rings of I-beams are pre-embedded in advance in the construction of the top structural floor slabs of each floor, and the cantilevered supporting I-beam main beams and the lower I-beam diagonal braces are installed;

[0038] S2, after the cantilever supporting I-beam main beam and the lower I-beam diagonal brace are installed, monitoring instruments are installed at the key points and connection nodes of the frame structure, and the use status of the frame structure is monitored in real time by using the monitoring instruments;

[0039] S3, using the acoustic characteristic monitoring module to monitor the noise generated during the cantilever frame construction, and using the sound frequency of the monitoring connection point to determine the tightness of the connection point;

[0040] S4, monitoring the power usage status of the electrical equipment required for cantilever frame construction through the electrical characteristic monitoring module;

[0041] S5, monitors the load, deformation, tension and damage of the cantilever frame through the mechanical property monitoring module;

[0042] S6, using the data processing module to display data, displaying abnormally high-incidence areas as hot spots, and the staff maintains the frame structure according to the data.

[0043] As a preferred technical solution of the present invention, the detailed installation steps of the roof cantilevered panel frame in step S1 include:

[0044] S11, two U-shaped anchor rings are embedded at the end of the cantilever beam for fixing. The threaded buckle is machined and cold-bent. The U-shaped anchor ring is cold-bent. The compression ring is embedded in the floor slab. A C18 steel bar is added at the bend of the anchor ring at the rear anchor point. When tying the floor slab steel bars, the compression ring is accurately arranged according to the cantilever steel beam layout drawing.

[0045] S12, arrange the template hard isolation layer on the main beam, embed the connecting steel plate, connect the lower support I-beam to the main body of the building through the connecting steel plate, set two steel pipe cross braces between adjacent diagonal braces, weld them to the diagonal brace steel web, connect the diagonal braces into a whole, and hang a dense mesh on the inner side of the outer pole;

[0046] S13, each I-beam main beam of the cantilever frame is equipped with a steel wire rope at the lower support as a safety reserve. One end of the steel wire rope is fixed to the lower support of the I-beam cantilever, and the other end is fixed to the steel bar pull ring buried on the upper floor slab side beam. When the upper floor slab steel bars are tied, they are pre-buried at the outer edge of the building side beam. After the concrete solidifies, the steel wire rope is fixed and the rope end is released to form a "safety bend";

[0047] S14, then set up the formwork support frame, use steel pipe fastener scaffolding, set double steel pipe cross bars as main ribs on the top support, and lay wooden square secondary ribs on the steel pipe cross bars. After completing the installation of the cantilever frame and the formwork support frame, set up a single row of protective frames. The protective frames are connected to the frame as a whole. The inside of the protective frames is fully hung with dense mesh safety nets, and a safety net is set under the operating layer.

[0048] On the other hand, a frame structure of a roof cantilever plate frame includes a cantilever support system, a formwork support system and a monitoring system, wherein the cantilever support system includes a cantilever support I-beam main beam and a lower I-beam diagonal brace, connecting steel plates are welded at both ends between the cantilever support I-beam main beam and the lower I-beam diagonal brace, the upper end of the lower I-beam diagonal brace is connected to the cantilever support I-beam main beam with bolts, and the lower end is connected to the side beam with through-wall bolts, an I-beam coupling beam is welded on the cantilever support I-beam main beam, two steel pipe cross braces are arranged between adjacent lower I-beam diagonal braces, and are welded to the steel web of the lower I-beam diagonal brace, and an upper pull wire rope is arranged at the upper end of the cantilever support I-beam main beam, and the position of the upper pull wire rope corresponds to the lower I-beam diagonal brace below;

[0049] The formwork support system is arranged on the upper surface of the cantilever support system. The formwork support system adopts a steel tube fastener scaffolding. Double steel tube cross bars are arranged on the top support of the scaffolding as the main ribs. Wooden square secondary ribs are laid on the steel tube cross bars of the scaffolding. A horizontal scissors brace is arranged on the top and bottom of the formwork support system.

[0050] The monitoring system sets monitoring points at the connection nodes and support key points of the cantilever support system and the formwork support system according to the structures of the cantilever support system and the formwork support system, and different monitoring equipment is installed on the monitoring points according to different characteristics.

[0051] Compared with the prior art, the beneficial effects of the present invention are:

[0052] (1) The present invention monitors the construction of the cantilever frame according to different characteristic directions, monitors the construction noise and the sound frequency of the loose connection nodes by analyzing the sound signal of the radio equipment, monitors the power facilities under construction by comparing the sensors with the preset safety critical values, and monitors the structural state of the cantilever frame by the sensors with the preset critical values. Through multi-faceted monitoring, the safety state of the cantilever frame can be more comprehensively grasped, the construction plan can be adjusted in time, the service life of the frame can be extended, the occurrence of accidents can be reduced, and the maintenance cost can be reduced;

[0053] (2) The present invention stores the warning information of the rack monitoring and uses the generated dynamic map to display hot spots in areas with too much rack warning information, thereby facilitating the staff to focus on observing and maintaining the area, avoiding serious problems with the rack and improving the safety of the rack use.

[0054] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention, it can be implemented according to the contents of the specification. In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0055] Figure 1 It is a structural schematic diagram of a monitoring system for a roof cantilevered panel frame disclosed in the present invention;

[0056] Figure 2 It is a flow chart of a method for using a monitoring system for a roof cantilevered panel frame disclosed in the present invention;

[0057] Figure 3 It is a structural schematic diagram of a roof cantilever plate frame structure disclosed in the present invention;

[0058] Description of reference numerals: 100, cantilever frame monitoring system; 101, acoustic characteristic monitoring module; 1011, noise monitoring unit; 1012, connection point acoustic monitoring unit; 102, electrical characteristic monitoring module; 1021, cable monitoring unit; 1022, socket monitoring unit; 1023, lighting monitoring unit; 103, mechanical characteristic monitoring module; 1031, load monitoring unit; 1032, deformation monitoring unit; 1033, tension monitoring unit; 103 4. Damage monitoring unit; 104. Data processing module; 1041. Data display unit; 1042. Data mining unit; 1043. Early warning unit; 105. B / S application structure system; 106. Monitoring point; 200. Cantilever support system; 201. Cantilever support I-beam main beam; 202. Lower I-beam diagonal brace; 203. Steel web; 204. Upper pull wire rope; 300. Formwork support system; 301. Double steel pipe cross bar; 302. Scissors brace. DETAILED DESCRIPTION

[0059] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0060] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0061] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0062] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0063] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0064] Embodiment 1

[0065] See attached Figure 1 As shown, the present invention provides a technical solution: a monitoring system for a roof cantilevered panel frame, comprising an acoustic characteristic monitoring module 101, an electrical characteristic monitoring module 102, a mechanical characteristic monitoring module 103, a data processing module 104 and a B / S application structure system 105;

[0066] The acoustic characteristic monitoring module 101 is used to acoustically monitor the construction of the cantilever frame;

[0067] The electrical characteristic monitoring module 102 is used to monitor the use of electrical equipment in cantilever frame construction;

[0068] The mechanical property monitoring module 103 is used to monitor the mechanical properties of the cantilever frame structure;

[0069] The data processing module 104 is used to process the data of the acoustic characteristic monitoring module 101, the electrical characteristic monitoring module 102 and the mechanical characteristic monitoring module 103;

[0070] The B / S application structure system 105 is used to store the monitoring data in the data processing module 104 on the server and browse it using a browser. There is no need to install additional software on the client. Users can access the server-side application through browsers on different devices, such as PCs, mobile phones, tablets, etc., and network communication is based on the HTTP / HTTPS protocol. Users send requests to the server through the browser, and the server receives and processes the requests, which involves accessing the database or other services. The server returns the processing results to the browser, and the browser displays the results to the user, providing a flexible, efficient, and easy-to-manage and maintain solution for network applications, and building modern network services for the rack monitoring system.

[0071] The embodiment of the present invention is also implemented through the following technical solutions.

[0072] In an embodiment of the present invention, the acoustic characteristic monitoring module 101 includes a noise monitoring unit 1011 and a connection point acoustic monitoring unit 1012. The noise monitoring unit 1011 is used to monitor the construction of the cantilever frame using a sound level meter and locate the noise using a sound source localization technology. The sound source localization is specifically:

[0073] A. Arrange multiple sound receiving devices around the structure to capture the sound signals emitted by the structure and process the sound signals, including filtering, denoising and other preprocessing of the collected sound signals to improve the signal quality and extract useful features from the preprocessed signals, such as frequency components, amplitude, duration, etc.;

[0074] B, calculate the location range of the sound source based on the time difference;

[0075] C. Use machine learning or signal processing algorithms, such as principal component analysis and independent component analysis, to identify and classify different sound sources. If there are multiple sound sources, use signal source separation technology to distinguish them and locate them separately.

[0076] D. Send the analyzed data to the B / S application structure system 105 in real time for storage;

[0077] The connection point acoustic monitoring unit 1012 uses the sound receiving device of the noise monitoring unit 1011 to collect sound, capture the sound of the loose connection point, and judge the looseness of the connection point, specifically:

[0078] a. Reasonably arrange the sound receiving equipment near the connection point to ensure that the abnormal sound caused by looseness can be captured, and collect the sound data of the connection point in normal working state as the baseline data;

[0079] b. Preprocess the collected sound signals

[0080] c. Extract the characteristics of the sound signal, such as frequency components, amplitude, energy, waveform characteristics, etc., and use machine learning algorithms or statistical methods to compare the extracted characteristics with baseline data to identify normal and abnormal sound patterns;

[0081] d. Continuously analyze the sound signal to capture abnormal sounds when the connection point is loose. According to engineering experience, set the threshold of the sound feature to determine whether the connection point is loose.

[0082] In an embodiment of the present invention, the electrical characteristic monitoring module 102 includes a cable monitoring unit 1021, a socket monitoring unit 1022 and a lighting monitoring unit 1023. In an embodiment of the present invention, the cable monitoring unit 1021 uses a current sensor and a temperature sensor to monitor the current condition of the cable and the overheating condition of the cable connector;

[0083] The socket monitoring unit 1022 uses a voltage sensor and a power sensor to monitor whether the socket is correctly wired and the load condition to avoid overloading;

[0084] The lighting monitoring unit 1023 uses an illumination sensor to monitor the brightness of the lighting equipment to avoid glare or safety hazards.

[0085] In the embodiment of the present invention, the mechanical property monitoring module 103 includes a load monitoring unit 1031, a deformation monitoring unit 1032, a tension monitoring unit 1033 and a damage monitoring unit 1034. The load monitoring unit 1031 is used to monitor the load of the cantilever frame, and uses a pressure sensor to monitor the pressure value of each part of the frame, that is, the load distribution, including the dead load and the live load during the construction process, to ensure that the load does not exceed the design limit;

[0086] The deformation monitoring unit 1032 uses digital image correlation technology to monitor the structural deformation of the cantilever frame. Specifically, it uses a shooting device, such as a drone, a camera, etc. to shoot the graphics of the object surface, based on the image recognition technology, the pixel grayscale changes between two or more images, extracts the feature points between the images, and calculates the relative displacement between the feature points, so as to monitor the displacement and deformation of the object surface;

[0087] The tension monitoring unit 1033 uses sensors to monitor the change of the tension value of the wire rope, including a dynamometer, a piezoelectric sensor or a light sensor. The dynamometer is installed at the connection node of the wire rope, and the value of the dynamometer is directly uploaded to the system. The piezoelectric sensor is installed at the connection part or key stress point of the structure to directly read the tension value. The optical fiber sensor adopts a distributed arrangement to monitor the slight deformation of the structure, so as to calculate the tension;

[0088] The damage monitoring unit 1034 is used to monitor the cantilever frame structure or the tiny cracks or deformation inside the material by using ultrasonic acoustic emission for monitoring.

[0089] In an embodiment of the present invention, the data processing module 104 includes a data display unit 1041, a data mining unit 1042 and an early warning unit 1043. The data display unit 1041 imports the monitoring point data of the cantilever frame into the GPS software, and then imports it from the GPS software into the GIS software, generates a dynamic map display of the cantilever frame, displays the monitored data in the form of charts, performs statistical display of the monitoring data, historical alarm data, current alarm data and offline data, exports the report data to Excel, and provides basic view operation functions such as full map display, map roaming, viewing the construction area, clearing the construction layer and map tool display control;

[0090] The data mining unit 1042 is used to highlight the areas with high problem frequency in the collected data, query the data with high alarm frequency in a period of time according to the alarm history data of all cantilever monitoring data, and display them in the form of heat map on the dynamic map of the data display unit 1041, and perform hot spot analysis based on Getis-Ord General G statistics, specifically:

[0091] Step 1, extracting the data collected by the data display unit 1041, sorting the alarm history data, and ensuring that each piece of data contains information such as time, location, and alarm type;

[0092] Step 2: According to the time range to be analyzed, all abnormal records within the period are screened out, and the screened data are counted to calculate the alarm frequency at each monitoring point or in each time period;

[0093] Step 3, associate the filtered data with the geographic location, determine the location of each alarm event on the map, use data visualization tools to color the corresponding location on the map according to the alarm frequency, and create a heat map;

[0094] Step 4: Apply the Getis-Ord General G statistical method to calculate the sum of the attribute values ​​of each data point and its neighboring points, and then standardize the numerical sum to determine the spatial aggregation degree of the data and perform hot spot analysis. According to the results of the Getis-Ord General G statistics, identify statistically significant hot spots, that is, areas with abnormally high alarm frequencies;

[0095] The early warning unit 1043 is used to preset a safety critical value. When the monitoring data of the noise monitoring unit 1011, the connection point acoustic monitoring unit 1012, the cable monitoring unit 1021, the socket monitoring unit 1022, the lighting monitoring unit 1023, the load monitoring unit 1031, the deformation monitoring unit 1032, the tension monitoring unit 1033 and the damage monitoring unit 1034 exceed the safety critical value, an early warning prompt is issued, the construction of the cantilever frame is processed in time, and the construction plan is improved.

[0096] Embodiment 2

[0097] See attached Figure 2 As shown, an embodiment of the present invention further provides a method for using a monitoring system of a roof cantilever panel frame monitoring system, comprising the following steps:

[0098] S1, pre-embed the compression ring of the I-beam in advance in the construction of the top structural floor of each floor according to the design drawings, and install the cantilever support I-beam main beam 201 and the lower I-beam diagonal brace 202;

[0099] S2, after the cantilevered supporting I-beam main beam 201 and the lower I-beam diagonal brace 202 are installed, monitoring points 106 are set at key points and connection nodes of the frame structure, and monitoring instruments are installed on the monitoring points 106, and the use status of the frame structure is monitored in real time by using the monitoring instruments;

[0100] S3, using the noise monitoring unit 1011 of the acoustic characteristic monitoring module 101 to monitor the noise generated during the cantilever frame construction, and locate the sound source of the noise, locate the area where the noise is emitted, so as to improve the area, and use the connection point acoustic monitoring unit to monitor the sound frequency of the connection point, judge the looseness of the connection point, and maintain the connection points in the area based on the sound source positioning data to prevent the connection points from loosening;

[0101] S4, monitoring the power usage status of the electrical equipment required for the cantilever frame construction, including cables, sockets, lighting, etc., through the electrical characteristic monitoring module 102 to avoid power failure of the electrical equipment;

[0102] S5, monitor the load, deformation, tension and damage of the cantilever frame through the mechanical characteristic monitoring module 103, adjust the frame structure according to the load distribution by using the load monitoring unit 1031, analyze the deformation of the frame according to the displacement of the characteristic points between the images of the frame by using the deformation monitoring unit 1031, monitor the tension of the pull-up wire rope 204 by using the tension monitoring unit 1033, and monitor the cracks of the frame structure by using the damage monitoring unit 1034, so as to avoid problems with the frame structure and affect its use;

[0103] S6, using the monitoring data of the acoustic characteristic monitoring module 101, the electrical characteristic monitoring module 102 and the mechanical characteristic monitoring module 103 to display the data through the data display unit 1041 of the data processing module 104, and comparing the real-time data monitored by the acoustic characteristic monitoring module 101, the electrical characteristic monitoring module 102 and the mechanical characteristic monitoring module 103 with the preset safety critical value in the data processing module 104. When the safety critical value is exceeded, an early warning prompt is sent to the staff through the early warning unit 1042, and maintenance is carried out in time. The early warning information of the early warning unit 1042 is stored in, and the data is mined by the data mining unit 1042 based on the data collected by the data display unit 1041 and the generated dynamic map, and the historical data of the early warning signal is stored in the B / S application structure system 105, providing users with a platform for viewing data, facilitating users to view data, and displaying hot spots in abnormally high-incidence areas. The staff maintains the frame structure according to the data situation.

[0104] In this embodiment, the detailed installation steps of the roof cantilever plate frame in step S1 include:

[0105] S11, two U-shaped anchor rings are embedded at the end of the cantilever beam for fixing. The threaded buckle is machined and cold-bent. The U-shaped anchor ring is cold-bent. The pressure ring is buried in the floor slab. A C18 steel bar is added at the bend of the anchor ring at the rear anchor point. When the floor slab steel bars are tied, the pressure ring is accurately arranged according to the line of the cantilever steel beam layout drawing. The pressure ring is a U-shaped anchor ring. The pressure ring is made of a steel bar with a diameter of 20mm and is made into a "U" shape with a width of 160mm. The U-shaped anchor ring is cold-bent. The pull ring is buried in the floor slab. A C18 steel bar is added at the bend of the anchor ring at the rear anchor point. The anchor steel bar is 1m to 1.5m long. When the floor slab steel bars are tied, the pull ring is accurately arranged according to the line of the cantilever steel beam layout drawing.

[0106] S12, arrange the template hard isolation layer on the main beam, embed the connecting steel plate, connect the lower support I-beam to the main body of the building through the connecting steel plate, set two steel pipe cross braces between adjacent diagonal braces, weld them to the diagonal brace steel web, connect the diagonal braces into a whole, and hang a dense mesh on the inner side of the outer pole;

[0107] S13, each I-beam main beam of the cantilever frame is equipped with a steel wire rope at the lower support as a safety reserve. One end of the steel wire rope is fixed to the lower support of the I-beam cantilever, and the other end is fixed to the steel bar pull ring buried on the upper floor slab side beam. It is pre-buried at the outer edge of the building side beam when the upper floor slab steel bars are tied. One end of the steel wire rope is fixed to the lower support of the I-beam cantilever, and the other end is fixed to the steel bar pull ring buried on the upper floor slab side beam. The spacing between the steel wire rope clips is 100mm, and the distance from the last rope clip to the rope head shall not be less than 200mm. It is used for The pull ring for fixing the steel wire rope is made of first-class steel with a diameter of 20mm after calculation. It is pre-buried at the outer edge of the building side beam when the upper floor reinforcement is tied. After the concrete strength reaches 75%, the steel wire rope is fixed on it. In order to check whether the joint is reliable and whether the steel wire rope slips, another clamp can be installed about 500mm behind the last clamp, and the rope head is released into a "safety bend". When the steel wire rope of the joint slips, the "safety bend" is straightened first. At this time, measures should be taken immediately to deal with it. The "safety bend" is designed to be arched;

[0108] S14, then set up the formwork support frame, use steel pipe fastener scaffolding, set double steel pipe cross bars as main ribs on the top support, and lay wooden square secondary ribs on the steel pipe cross bars. After completing the installation of the cantilever frame and the formwork support frame, set up a single row of protective frames. The protective frames are connected to the frame as a whole. The inside of the protective frames is fully hung with dense mesh safety nets, and a safety net is set under the operating layer.

[0109] Embodiment 3

[0110] See attached Figure 3 As shown, another embodiment of the present invention provides a frame structure of a roof cantilever plate frame, including a cantilever support system 200, a formwork support system 300 and a monitoring system. The cantilever support system includes a cantilever support I-beam main beam 201 and a lower I-beam diagonal brace 202. Connecting steel plates are welded at both ends between the cantilever support I-beam main beam 201 and the lower I-beam diagonal brace 202. The upper end of the lower I-beam diagonal brace 202 is connected to the cantilever support I-beam main beam 201 with bolts, and the lower end is connected to the side The beams are connected with through-wall bolts, and an I-beam connecting beam is welded on the cantilevered supporting I-beam main beam 201. Two steel pipe cross braces are arranged between adjacent lower I-beam diagonal braces 202, which are welded to the steel webs 203 of the lower I-beam diagonal braces 202 to connect the lower I-beam diagonal braces 202 into a whole, thereby enhancing the overall stability of the diagonal braces. An upper pull wire rope 204 is arranged at the upper end of the cantilevered supporting I-beam main beam 201, and the position of the upper pull wire rope 204 corresponds to the lower I-beam diagonal brace 202 below;

[0111] The formwork support system 300 is arranged on the upper surface of the cantilever support system 200. The formwork support system 300 adopts a steel pipe fastener scaffolding. A double steel pipe cross bar 301 is arranged on the top support of the scaffolding as the main rib, and wooden square secondary ribs are laid on the steel pipe cross bar of the scaffolding. A horizontal scissor brace 302 is arranged on the top and bottom of the formwork support system.

[0112] The monitoring system sets monitoring points 106 at the connection nodes and key support points of the cantilever support system and the formwork support system according to the structure of the cantilever support system and the formwork support system, and different monitoring equipment is installed on the monitoring points 106 according to different characteristics.

[0113] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

[0114] It should be understood that the specific order or hierarchy of steps in the disclosed process is an example of an exemplary method. Based on design preferences, it should be understood that the specific order or hierarchy of steps in the process can be rearranged without departing from the scope of protection of the present disclosure. The attached method claims present the elements of the various steps in an exemplary order and are not intended to be limited to the specific order or hierarchy described.

[0115] In the above detailed description, various features are grouped together in a single embodiment to simplify the disclosure. This method of disclosure should not be interpreted as reflecting an intention that the embodiments of the claimed subject matter require more features than are clearly stated in each claim. On the contrary, as reflected in the appended claims, the invention is in a state of having less than all the features of the disclosed individual embodiments. Therefore, the appended claims are hereby expressly incorporated into the detailed description, with each claim standing on its own as a separate preferred embodiment of the invention.

[0116] For software implementation, the techniques described in this application can be implemented with modules (e.g., procedures, functions, etc.) that perform the functions described in this application. These software codes can be stored in a memory unit and executed by a processor. The memory unit can be implemented within the processor or outside the processor. In the latter case, it is coupled to the processor in a communication manner via various means, which are well known in the art.

Claims

1. A monitoring system for a roof cantilever panel frame, characterized in that: It includes an acoustic characteristic monitoring module (101), an electrical characteristic monitoring module (102), a mechanical characteristic monitoring module (103), a data processing module (104) and a B / S application structure system (105); The acoustic characteristic monitoring module (101) is used to acoustically monitor the construction of the cantilever frame; The electrical characteristic monitoring module (102) is used to monitor the use of electrical equipment in cantilever frame construction; The mechanical property monitoring module (103) is used to monitor the mechanical properties of the cantilever frame structure; The data processing module (104) is used to process data from the acoustic characteristic monitoring module (101), the electrical characteristic monitoring module (102) and the mechanical characteristic monitoring module (103); The B / S application structure system (105) is used to store the monitoring data in the data processing module (104) in a server and browse the data using a browser.

2. A monitoring system for a roof cantilevered panel frame according to claim 1, characterized in that: The acoustic characteristic monitoring module (101) comprises a noise monitoring unit (1011) and a connection point acoustic monitoring unit (1012). The noise monitoring unit (1011) is used to monitor the construction of the cantilever frame using a sound level meter and locate the noise using a sound source localization technology. The sound source localization is specifically as follows: A. Arrange multiple sound receiving devices around the structure to capture the sound signals emitted by the structure and process the sound signals; B, calculate the location range of the sound source based on the time difference; C, using machine learning or signal processing algorithms to identify and classify different sound sources; D, sending the analyzed data to the B / S application structure system (105) in real time for storage; The connection point acoustic monitoring unit (1012) uses the sound receiving device of the noise monitoring unit (1011) to receive sound, capture the sound of the loose connection point, and judge the looseness of the connection point, specifically: a. Arrange the sound receiving equipment reasonably near the connection point and collect the sound data of the connection point under normal working conditions as the baseline data; b. Preprocess the collected sound signals c. Extract the features of the sound signal, compare the extracted features with the baseline data, and identify normal and abnormal sound patterns; d. Continuously analyze the sound signal and set the threshold of the sound feature based on engineering experience to determine whether the connection point is loose.

3. A monitoring system for a roof cantilevered panel frame according to claim 2, characterized in that: The electrical characteristic monitoring module (102) comprises a cable monitoring unit (1021), a socket monitoring unit (1022) and a lighting monitoring unit (1023), wherein the cable monitoring unit (1021) is used to monitor the current condition of the cable and the overheating condition of the cable connector; The socket monitoring unit (1022) is used to monitor whether the socket wiring is correct and the load condition; The lighting monitoring unit (1023) is used to monitor the brightness of the lighting equipment.

4. A monitoring system for cantilevered roof panels according to claim 3, characterized in that: The mechanical property monitoring module (103) comprises a load monitoring unit (1031), a deformation monitoring unit (1032), a tension monitoring unit (1033) and a damage monitoring unit (1034); the load monitoring unit (1031) is used to monitor the load condition of the cantilever frame; The deformation monitoring unit (1032) uses digital image correlation technology to monitor the structural deformation of the cantilever frame, uses a shooting device to shoot the graphics of the object surface, based on the image recognition technology, the pixel grayscale changes between two or more images, extracts the feature points between the images, and calculates the relative displacement between the feature points, so as to monitor the displacement and deformation of the object surface; The tension monitoring unit (1033) uses a sensor to monitor changes in the tension value of the steel wire rope; The damage monitoring unit (1034) is used to monitor micro cracks or deformation inside the cantilever frame structure or material.

5. A monitoring system for cantilevered roof panels according to claim 4, characterized in that: The data processing module (104) includes a data display unit (1041), a data mining unit (1042) and an early warning unit (1043). The data display unit (1041) uses GIS and GPS software to display a dynamic map of the cantilever frame and displays the monitored data in the form of charts. The data mining unit (1042) is used to highlight the areas of the collected data where problems frequently occur, specifically: Step 1, extracting the data collected by the data display unit (1041) and arranging the alarm history data; Step 2: According to the time range to be analyzed, all abnormal records within the period are screened out, and the screened data are counted to calculate the alarm frequency at each monitoring point or in each time period; Step 3, associating the filtered data with the geographic location, and determining the location of each alarm event on the map; Step 4: Apply the Getis-Ord General G statistical method to perform hot spot analysis. According to the results of the Getis-Ord General G statistics, identify statistically significant hot spots, that is, areas with abnormally high alarm frequencies; The early warning unit (1043) is used to issue an early warning prompt when the monitoring data exceeds the safety critical value.

6. A method for using a monitoring system for a roof cantilever panel frame, applied to a monitoring system for a roof cantilever panel frame as claimed in any one of claims 1 to 5, characterized in that: The following steps are involved: S1, pre-embed the compression ring of the I-beam in advance during the construction of the top structural floor of each floor according to the design drawings, and install the cantilevered supporting I-beam main beam (201) and the lower I-beam diagonal brace (202); S2, after the cantilevered supporting I-beam main beam (201) and the lower I-beam diagonal brace (202) are installed, monitoring instruments are installed at key points and connection nodes of the frame structure, and the use status of the frame structure is monitored in real time by using the monitoring instruments; S3, using the acoustic characteristic monitoring module (101) to monitor the noise generated during the construction of the cantilever frame, and using the sound frequency of the monitoring connection point to determine the tightness of the connection point; S4, monitoring the power usage status of the electrical equipment required for the cantilever frame construction through the electrical characteristic monitoring module (102); S5, monitoring the load, deformation, tension and damage of the cantilever frame through a mechanical property monitoring module (103); S6, using the data processing module (104) to display data, displaying abnormal high-incidence areas as hot spots, and the staff maintains the frame structure according to the data.

7. The method for using the monitoring system of the roof cantilever panel frame monitoring system according to claim 6, characterized in that: The detailed installation steps of the roof cantilevered panel frame in step S1 include: S11, two U-shaped anchor rings are embedded at the end of the cantilever beam for fixing. The threaded buckle is machined and cold-bent. The U-shaped anchor ring is cold-bent. The compression ring is embedded in the floor slab. A C18 steel bar is added at the bend of the anchor ring at the rear anchor point. When tying the floor slab steel bars, the compression ring is accurately arranged according to the cantilever steel beam layout drawing. S12, arrange the template hard isolation layer on the main beam, embed the connecting steel plate, connect the lower support I-beam to the main body of the building through the connecting steel plate, set two steel pipe cross braces between adjacent diagonal braces, weld them to the diagonal brace steel web, connect the diagonal braces into a whole, and hang a dense mesh on the inner side of the outer pole; S13, each I-beam main beam of the cantilever frame is equipped with a steel wire rope at the lower support as a safety reserve. One end of the steel wire rope is fixed to the lower support of the I-beam cantilever, and the other end is fixed to the steel bar pull ring buried on the upper floor slab side beam. When the upper floor slab steel bars are tied, they are pre-buried at the outer edge of the building side beam. After the concrete solidifies, the steel wire rope is fixed and the rope end is released to form a "safety bend"; S14, then set up the formwork support frame, use steel pipe fastener scaffolding, set double steel pipe cross bars as main ribs on the top support, and lay wooden square secondary ribs on the steel pipe cross bars. After completing the installation of the cantilever frame and the formwork support frame, set up a single row of protective frames. The protective frames are connected to the frame as a whole. The inside of the protective frames is fully hung with dense mesh safety nets, and a safety net is set under the operating layer.

8. A frame structure of a cantilevered roof panel frame, applied to a monitoring system of a cantilevered roof panel frame according to any one of claims 1 to 5, characterized in that: The invention comprises a cantilever support system (200), a formwork support system (300) and a monitoring system, wherein the cantilever support system comprises a cantilever support I-beam main beam (201) and a lower I-beam diagonal brace (202), connecting steel plates are welded at both ends between the cantilever support I-beam main beam (201) and the lower I-beam diagonal brace (202), the upper end of the lower I-beam diagonal brace (202) is connected to the cantilever support I-beam main beam (201) by bolts, and the lower end is connected to the side The beams are connected by through-wall bolts, an I-beam connecting beam is welded on the cantilever supporting I-beam main beam (201), two steel pipe cross braces are arranged between adjacent lower I-beam diagonal braces (202), and are welded to the steel webs (203) of the lower I-beam diagonal braces (202), and an upper pull wire rope (204) is arranged at the upper end of the cantilever supporting I-beam main beam (201), and the position of the upper pull wire rope (204) corresponds to the lower I-beam diagonal brace (202) below; The formwork support system (300) is arranged on the upper surface of the cantilever support system (200). The formwork support system (300) adopts a steel tube fastener type scaffolding. Double steel tube cross bars (301) are arranged on the top support of the scaffolding as main ribs, and wooden square secondary ribs are laid on the steel tube cross bars of the scaffolding. A horizontal scissors brace (302) is arranged on the top and bottom of the formwork support system. The monitoring system sets monitoring points (106) at the connection nodes and support key points of the cantilever support system and the formwork support system according to the structures of the cantilever support system and the formwork support system, and different monitoring equipment is installed on the monitoring points (106) according to different characteristics.

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