1634results about How to "Improve construction safety" patented technology

The invention discloses a rock tunnel intelligent supporting system and method adaptive to geological conditions, and relates to the technical field of tunnel construction automation and intellectualization. The system comprises an intelligent advanced geological forecast module, an intelligent surrounding rock quality evaluation system, a self-adaptive support design optimization module, an intelligent construction equipment monitoring system, an environment monitoring module, a safety early warning system, a construction data analysis and decision support system, a material supply chain management module, a personnel positioning and management system and an integrated control system. Through real-time monitoring and analysis of the intelligent advanced geological forecast module and the safety early warning system, potential geological risks and safety threats in the tunnel construction process can be found in time. And through an adaptive support design optimization algorithm, support parameters and a construction scheme can be dynamically adjusted according to real-time geological data and a surrounding rock quality evaluation result. The integrated control system serves as the core of the whole intelligent supporting system, and unified management and coordination of all the sub-modules are achieved.

The invention discloses an in-tunnel construction vehicle meeting scheduling system based on positioning equipment. The system comprises a basic service module which is used for storing basic data for business service analysis in an acquisition and collection mode; the business service module is used for carrying out detailed analysis of the corresponding service through the data acquired by the basic service, and providing an analysis result to the display end for display; and the display end module is used for displaying the analysis result of the business service module, wherein the display modes comprise a mobile phone APP, a webpage large screen, an LED panel, a tunnel loudspeaker and a tunnel traffic light. The system carries out weight grading on vehicle and personnel positioning labels by standardizing a tunnel construction process, and integrates data of avoidance points of a transverse tunnel. And in combination with an intelligent technology, efficient vehicle meeting scheduling, intelligent construction path planning and avoidance point path planning of the construction area are realized.

The invention relates to the technical field of building construction, in particular to a curtain wall construction stage management method and system, and the method comprises the steps: generating a design scheme through a generative adversarial network, and carrying out the multi-objective optimization through reinforcement learning and a genetic algorithm; integrating construction site data in real time by adopting a digital twinborn technology, generating a construction twinborn model, and dynamically adjusting a construction strategy through a self-adaptive control algorithm; deploying a multi-scale sensor network for real-time monitoring, performing anomaly detection by using deep learning, and providing a construction strategy adjustment basis in combination with a causal analysis model; by integrating the advanced digital technology, comprehensive optimization from design to construction is achieved, the responsiveness and safety of construction are enhanced, and the construction quality and efficiency are improved.

The invention discloses an intelligent construction scheme optimization system based on building decoration, and relates to the technical field of building decoration. The system comprises four modules, and the constructor selection module is used for selecting a construction principal according to the performance value of the constructor. The building material monitoring module is used for dividing the storage area into a plurality of monitoring areas and marking the monitoring areas as deviation or overlapping areas according to the area overlap ratio; calculating a zone condition value, and marking the zone condition value as a suitable or non-suitable zone; and calculating a storage score value, and generating a storage early warning signal or a storage qualified signal. The construction safety supervision and analysis module is used for monitoring a construction site in real time and generating a construction early warning signal; calculating an operation monitoring value; and calculating a construction environment coefficient, and generating an environment control abnormal signal or an environment control normal signal. The construction progress risk monitoring module is used for collecting delay data, calculating progress influence values and generating influence signals of different levels; and adjusting the progress plan. According to the system, through intelligent management, the construction efficiency and safety are improved, and the construction cost is reduced.

A long-distance pipe-jacking tunnel construction method based on three-dimensional stability analysis comprises the following steps: constructing a three-dimensional numerical model based on geological exploration data; performing high-precision discretization processing to form an infinitesimal triangular mesh; assigning physical and mechanical parameters to the soil body in the model; deducing a pipe-jacking tunnel excavation face supporting force calculation formula by applying a limit analysis upper limit theorem; developing an integrated calculation program, and performing comparative analysis with measured data; the accuracy of a calculation program is verified through actual measurement data, the jacking force is dynamically optimized by integrating construction parameters, and the influence of additional stress of the upper structure on construction stability is evaluated; the three-dimensional stability analysis model is optimized and updated, and accurate control over the construction process is achieved; and according to the optimization model and a data analysis result, a construction scheme is adjusted in real time to adapt to stratum change and construction deviation. Compared with a traditional method, the stability analysis precision of pipe-jacking tunnel construction is improved, the construction scheme is optimized, and the method has remarkable engineering application value and popularization prospects.

The invention discloses a shield tunneling machine driving attitude adjusting method and system under multi-sensor monitoring, and relates to the technical field of shield tunneling machine control. Interactive engineering planning is carried out, a tunnel center line is identified, a driving reference axis is determined, a tunnel section is subjected to triangular grid division, and an attitude adjusting module is trained by setting the attitude position relation of a shield tunneling machine; and collecting measurement data, carrying out shield attitude misalignment measurement and adjustment decision of each shield single ring in the tunneling operation of the shield tunneling machine, determining an attitude adjustment strategy, and responding to a control center of the shield tunneling machine to carry out tunneling attitude adjustment management and control. The method and the device are used for solving the technical problems that in the prior art, decision consideration is not comprehensive enough, the technical support degree is insufficient, instantaneity and adaptivity of tunneling posture adjustment cannot be guaranteed, and consequently accuracy and reliability of an adjustment strategy are insufficient. High-precision real-time adjustment and control of the posture of the shield tunneling machine are achieved, and construction safety and efficiency are effectively improved.

The invention discloses a power grid construction subpackage management and control method based on big data, and the method comprises the following steps: collecting the data of a power grid construction site in real time, carrying out the preprocessing, and carrying out the storage through a distributed storage system; generating a comprehensive evaluation report by using the residual neural network and the graph convolutional network; adopting a particle swarm optimization algorithm to carry out subpackage provider selection and task allocation; predicting the construction progress through a long short-term memory network; performing image analysis on the video stream of the construction site by using a residual neural network and a single-time multi-frame detection algorithm; a Bayesian network and a multi-layer perceptron are used to predict construction risks, an isolated forest algorithm is used to carry out abnormal value detection on data, and a risk early warning report is generated and notified to related personnel. According to the invention, big data, deep learning and reinforcement learning technologies are fully combined, the power grid construction subpackage management and control method based on big data is described in detail, and the method has the advantages of high construction efficiency, accurate risk prediction and resource optimization.

The invention discloses a self-adaptive control method for underground coal mine hole sealing and grouting, and belongs to the technical field of well hole packing. The method comprises the steps that plugging bags are sequentially installed at the cross sections of two drill holes of an underground coal mine working face, compressed air is injected into the plugging bags, and a cylindrical space between the bags is filled with multi-stage coal powder distribution materials in a layered mode and compacted; mixing ordinary Portland cement, a composite expanding agent, a carboxyl water reducer, a hydroxypropyl methyl cellulose stabilizer and water according to a preset ratio, and screening; stepwise pressure injection is implemented, and the grouting pressure and rate are regulated and controlled in a variable-rate climbing mode, a constant-pressure variable-speed mode and a proportional attenuation mode; and constant-temperature and constant-humidity maintenance is conducted on the grouting completion area, so that the desorption value of the drilling cuttings is reduced to a target value. According to the scheme, the grouting process parameters can be optimized, and the grouting quality is improved.

The invention relates to a construction method of an anti-typhoon sea wave sea-crossing steel trestle and platform adjacent to a residential building. The construction method comprises the steps that firstly, deep fusion application of BIM and VR is conducted; step 2, surveying and setting out; step 3, embedding steel bars and pouring strip-shaped concrete; fourthly, the steel pipe piles are transported and lengthened; fifthly, steel pipe piles are driven; sixthly, parallel connection and diagonal bridging construction is conducted; seventhly, bearing beams are installed; eighthly, longitudinal beams are installed; ninthly, the distribution beams are installed; tenthly, bridge deck slabs and guardrails are installed; and 11, an intelligent monitoring and early warning system.

The invention discloses a wireless monitoring system for real-time deformation of a negative ring segment during shield tunnel starting tunneling, which comprises a standard block, an adjacent block and a top sealing block which are mounted on the negative ring segment, and a data acquisition system for monitoring corner deformation in X, Y and Z directions generated by the negative ring segment; the data post-processing system comprises a local server and is used for cleaning and pre-processing the monitoring data and calculating deformation data by applying a corresponding algorithm in the local server; the visual monitoring system is used for carrying out three-dimensional visual dynamic display on the negative ring duct piece according to the deformation data and the accumulated deformation data; when the threshold value is exceeded, alarm processing is carried out. The system has the beneficial effects that real-time automatic acquisition, remote wireless data transmission and remote real-time monitoring and early warning of negative ring duct piece deformation during shield tunnel starting tunneling can be achieved, and the requirement for shield attitude control during shield tunnel starting tunneling construction is met.

The invention relates to the technical field of hard rock stratum blasting construction, and discloses a hard rock stratum blasting excavation method and a blasting delay time calculation method. The technical problems that in the prior art, in underground engineering drilling and blasting method construction, harmful effects exist, vibration generated by blasting is difficult to control, the surrounding environment is affected, the blasting efficiency is low, the construction period is long, and the engineering cost is high are solved. The method comprises the following steps that the tunneling blasting delay time is calculated, and vertical shaft large-diameter empty hole underholing blasting is carried out; vibration reduction holes are formed in the tunnel and the vertical shaft and between the blast hole and the protection object; and tunnel driving blasting charge and vibration effect test are carried out. The technical level of hard rock stratum blasting excavation construction is improved, and fine design and construction of hard rock stratum blasting and control over harmful effects are achieved.

The invention relates to the technical field of engineering management, in particular to a method for assisting open caisson foundation construction through a three-dimensional geologic model based on BIM and GIS fusion, and the method comprises the steps: collecting engineering data, and constructing a three-dimensional live-action model based on the engineering data; geological exploration data are collected, and a three-dimensional geological model is constructed based on the geological exploration data; superposing the three-dimensional geologic model and the three-dimensional live-action model based on the coordinate information; and an open caisson foundation construction management platform is built, and the overlapped model is integrated in the open caisson foundation construction management platform. By providing high-precision geological information and a visual construction view, the problems that in open caisson foundation construction, the sinking rate is difficult to control, the posture adjusting difficulty is large, and the stress condition is complex are effectively solved, and the construction safety and efficiency are improved.

The invention discloses a method for rapidly judging the surrounding rock stability of a shallow-buried large-span tunnel in an upper-soft and lower-hard stratum, and relates to the technical field of tunnel engineering design. Constructing a physical plane graph according to the engineering design drawing; mapping the physical plane graph to an image plane through a conformal mapping function; generating a stress field analytic equation corresponding to the physical plane according to each parameter in the image plane graph and the complex variable function analytic form; calculating a plurality of different principal stresses of the surrounding rock through the stress field analytic equation, calculating a shear failure stress according to the plurality of different principal stresses, and obtaining an expression between the normal stress and the shear stress of the surrounding rock; and defining the shear failure shear stress as tau c, the shear stress as tau and the shear safety coefficient as s = tau / tau c, judging whether s is greater than 1 or not, and if so, considering that the unit rock mass meets the failure condition. The method aims at quickly and accurately evaluating the surrounding rock stability of the large-span tunnel in the upper-soft and lower-hard stratum, and the safety risk and the cost pressure faced by tunnel construction are reduced.

The invention belongs to the technical field of highway tunnel construction, and particularly provides a highway tunnel vertical shaft pilot well expanding excavation construction method which comprises the following steps that a directional drilling machine drills a guide hole from top to bottom; a reamer bit is installed below the guide hole, and reaming is conducted from bottom to top; vertical shaft opening locking construction is conducted; carrying out tunneling and supporting construction on a shaft body; during construction, disintegrating slag falls into a connecting air duct of a main tunnel through the guide hole and is conveyed out through slag discharging equipment; a lifting suspension system, a signal, illumination, a wind and water pipeline and a waterproof and drainage pipeline are installed in the vertical shaft; excavating and supporting the whole section of the vertical shaft to the shaft bottom; assembling a slip form at the bottom of the vertical shaft, and constructing the slip form to a designed elevation; and dismantling the slip form machine, cleaning the site, and completing acceptance. The problems of high construction difficulty, high cost, low construction efficiency, poor safety and the like of deslagging, ventilation and drainage of the traditional normal well excavation method are solved; the slag discharging speed is high, ventilation can be achieved, temporary drainage facilities are omitted, the cost is reduced, and the construction efficiency is improved.

The invention discloses a prediction model-based anchor mooring force prediction method for an immersed tube workboat. According to the method, water area environment characteristics, ship body posture characteristics, anchor mooring parameter characteristics and construction state characteristics are used as key data characteristics for predicting the anchor mooring force of the immersed tube construction ship; according to the method, an anchor cable tension prediction model is constructed, historical data, reduced scale physical model test data, numerical simulation data and short-term test data are subjected to data fusion to form a data set, and the model is trained and verified; and finally, predicting the tension value of each anchor mooring line on line by using the trained anchor mooring line tension prediction model. According to the method, the stress condition of each anchor mooring line can be predicted in real time under multiple working conditions (such as sinking, leveling, steering and self-storage states), and powerful support is provided for accurate positioning and safety control of installation and construction of the immersed tunnel.

The invention discloses a BIM-based municipal road construction method and system, and the method comprises the steps: collecting traffic flow data, accident information and weather conditions, and generating original traffic data and traffic state data; collecting construction data; cleaning and processing the collected original traffic data and traffic state data to obtain traffic data and traffic information characteristics; generating traffic flow prediction data and an initial model framework based on the traffic data and the traffic information features; generating a construction scheme and a stage schedule by using an optimization algorithm in combination with the predicted traffic flow data and construction data; and filling the construction scheme and the stage schedule into the initial model framework to generate an initial BIM model, and generating the BIM model according to the construction data through dynamic traffic simulation. Through collection, processing and analysis of comprehensive traffic data and construction data, a construction scheme is optimized, and dynamic traffic simulation is carried out, so that the construction efficiency is remarkably improved, traffic congestion is reduced, and the construction safety is improved.

The invention discloses a data acquisition management method and system based on an electronic fence, particularly relates to the field of construction safety management, is used for solving the problem of real-time monitoring of constructors, and is characterized in that risk areas are divided through a GIS (Geographic Information System), the electronic fence is arranged, the position information of the constructors is collected in real time, and individual and collective behavior characteristics are extracted; and calculating the difference degree between the individual and the collective behavior mode, and evaluating the consistency and coordination degree of collective behaviors. Constructing an interaction event matrix, analyzing the interaction strength between constructors, calculating an interaction risk index, identifying a high-frequency interaction group through a graph theory algorithm, and evaluating the group risk level. And the hidden risk index is combined with the main component projection score and the interaction-synergy isomerism index, so that a manager can accurately identify high-risk personnel and formulate targeted management and prevention measures according to an electronic fence area, and comprehensive data support and decision basis are provided for safety management of a construction site.

The invention relates to the technical field of building construction, and discloses a cantilever type multi-layer large-span steel reinforced concrete wall active anti-cracking construction method which comprises the following steps: step 1, carrying out optimization calculation through finite element software; secondly, a supporting jig frame is installed; step 3, mounting a cantilever support; fourthly, pouring is conducted in different areas; 5, the orthogonal truss is poured; and sixthly, layered pouring is conducted. Through all-working-condition stress simulation analysis, reasonable construction procedures of all stages of the steel reinforced concrete cantilever wall are optimized, through the arranged locking unit and the arranged limiting unit, the construction efficiency and safety are improved, meanwhile, the supporting operation procedures are reduced, the efficiency is improved, meanwhile, the cantilever wall fully considers the tension and compression area, and the construction cost is reduced. The pressed area is poured in advance in a stepped mode, and the pulled area is poured later, so that the cracking risk of the cantilever type multi-layer large-span steel reinforced concrete wall is effectively weakened, and the construction safety and stability of all stages of the structure are guaranteed.

The invention discloses a hydraulic engineering construction monitoring data management system and method, and relates to the technical field of engineering management. The system comprises an abnormity analysis unit which is used for acquiring a design settlement range of each monitoring point at each construction moment during a construction period; continuously obtaining a plurality of types of monitoring values of each monitoring point, and obtaining an abnormal settlement monitoring point according to the monitoring value of the settlement amount of each monitoring point at each construction moment in the construction period and the corresponding design settlement amount range; taking part of other monitoring points adjacent to the abnormal settlement monitoring points as accumulated abnormal settlement monitoring points according to the plurality of types of monitoring values of the abnormal settlement monitoring points and the monitoring points adjacent to the position relation; and taking multiple types of monitoring values of the abnormal settlement monitoring points and the affected abnormal settlement monitoring points as key construction monitoring data. The efficiency of data monitoring management in the water conservancy construction process is improved, and the construction safety is improved.

The present invention discloses a method, device, equipment and storage medium for early warning of the stress state of a pole, which are used for early warning of the stress state of a pole. The present invention comprises: determining the installation position according to preset simulation information of the stress condition of the pole; installing the intelligent sensing standard section at the installation position; the intelligent sensing standard section comprises a data transmission center and a plurality of sensors connected by cable communication; receiving the pole state information sent by the data transmission center in a preset mode in real time; the pole state information is collected by the plurality of sensors; generating and outputting an alarm signal according to the comparison result between the pole state information and the preset simulation information. Thereby achieving the technical purpose of being able to perceive the working state of the pole under various working conditions in real time and timely early warning of dangerous conditions of the pole, thereby improving construction safety.

The invention relates to the technical field of drilling, in particular to a horizontal directional drilling device for underground excavation of an electric power tunnel. According to the horizontal directional drilling device for underground excavation of the electric power tunnel, the drill rods to be spliced can be limited and locked, the situation that the drill rods fall off from the limiting frame due to soil pressure is avoided, and the construction safety and efficiency are improved. An electric power tunnel underground excavation horizontal directional drilling device comprises a mounting frame, moving wheels, a drilling mechanism and the like, the lower side of the mounting frame is rotationally connected with the multiple moving wheels, and the drilling mechanism capable of conducting horizontal directional drilling is arranged on the mounting frame. When the drill rod slides rightwards, the drill rod pushes the friction wheel to rotate, at the moment, the top frame cannot move, then the drill rod cannot push the friction wheel to rotate, and the effects that the drill rod to be spliced can be limited and locked, the drill rod is prevented from falling off the limiting frame due to soil pressure, and the construction safety and efficiency are improved are achieved.

The invention discloses a digital construction data processing method, a server, a medium and a product, and relates to the technical field of data processing, and the method comprises the steps: obtaining construction project data; performing preprocessing operation on the construction project data to obtain digital processing data; generating a digital construction data processing system based on the digital processing data; inputting the real-time construction data into a digital construction data processing system to obtain progress deviation, resource deviation, quality deviation and safety risk assessment; determining a construction adjustment suggestion based on the progress deviation, the resource deviation, the quality deviation and the safety risk assessment; and the construction adjustment suggestion is sent to the construction site end, so that the construction site end adjusts the construction project. By implementing the method, the efficiency and accuracy of construction management are improved.

The invention provides a building lofting system and method based on real-time differential positioning and BIM visualization, and the system comprises a base station which is fixed at a construction site and is used for providing a stable positioning signal; the mobile station is carried on the light high-strength woodworking splint material lofting sample plate and is used for realizing real-time signal receiving and transmission; the lofting sample plate adopting the light high-strength woodworking splint material comprises a sample plate body, a base, a positioning mark and a handle, has a modular design, is convenient to carry and operate, and can flexibly cope with various complex construction environments. The flexibility of lofting is improved through the accurate scales and folding design of the edge of the sample plate, and rapid customization and adjustment of building elements in different shapes are ensured. Through the three-dimensional visualization and automatic lofting process of the BIM software, personal errors are remarkably reduced, and the lofting speed is increased. By using the handheld device or the tablet computer, the mobile display of the BIM model and the interactive display of real-time position information are realized, and the real-time performance and accuracy of lofting are enhanced.

The invention relates to the technical field of curtain wall installation, and discloses a safety protection device for building curtain wall engineering installation, which comprises a base assembly horizontally placed on a working plane; the telescopic assembly is installed on the base assembly, the tail end of the telescopic assembly is connected with the overturning assembly, the tail end of the overturning assembly is connected with a suction cup support, the suction cup support is provided with a plurality of pneumatic suction cups, the pneumatic suction cups are adsorbed to the outer wall of one side of curtain wall glass, and the telescopic assembly comprises a stepping motor, a sliding seat, a supporting seat and an overturning connecting frame; the overturning connecting frame is installed at the tail end of the sliding base, and the sliding base is connected into the supporting base in a sliding mode. According to the glass curtain wall, the glass curtain wall is integrated on the glass mounting bracket, and the scalable connecting frame body is used for achieving multiple effects of coating, abutting extrusion and edge protection, so that curtain wall materials are prevented from being damaged in the transportation and mounting processes, the risk of workers during construction is reduced, and the construction quality and safety are improved.

The present invention relates to a double-walled steel cofferdam with no bottom and a construction method for deep-water rock capping platform rotary excavation. The BIM three-dimensional simulation technology is used to accurately design the size of the cofferdam module and the position of the preset holes, which greatly improves the accuracy and efficiency of the construction. By solving the problems of module size and layout in the design stage, the installation and commissioning work on site can be significantly reduced, thereby speeding up the construction progress and ensuring the quality of the project. The quick connection method of prestressed tendons and extruded waterproof strips is adopted between the cofferdam modules, which saves a lot of welding work, not only improves the construction efficiency but also reduces the construction difficulty. The guide device used for the lowering of the cofferdam is used for horizontal and vertical displacement and inclination monitoring, which can help the cofferdam lowering process more accurately, and greatly improve the construction efficiency and safety. The comprehensive slotting method of impact drill, rotary drilling drill and grab bucket greatly improves the slotting efficiency and reduces the slotting difficulty.

The utility model belongs to the technical field of high pier cable bent tower construction, and particularly relates to an intelligent automatic die retreating and assembling system for cable bent tower construction, which comprises a backward-moving cross beam platform fixedly connected to a load-bearing tripod; the load-bearing tripod is fixedly connected into the concrete wall body through the wall-embedded part; the backward moving cross beam is arranged on the backward moving cross beam platform in a sliding manner; one end of the backward moving pull rod is connected with the backward moving cross beam, and the other end of the backward moving pull rod is connected with the backward moving cross beam platform; the movable end of the automatic hydraulic system is fixedly connected with one end of the backward moving cross beam, and the fixed end of the automatic hydraulic system is arranged on the backward moving cross beam platform; the formwork assembly is fixedly connected to the end, away from the automatic hydraulic system, of the backward moving cross beam. The device has the characteristics of sufficient demolding force, accurate demolding distance control, short demolding time and high efficiency, the demolding synchronism of each template is high, accurate synchronous backward movement can be realized, the intelligent and automatic degrees are high, and the construction efficiency and the safety performance are improved.

The invention relates to the technical field of non-road mobile mechanical dynamics models, in particular to a method for establishing a digital model of a vibration system of a road roller. The method comprises the following steps: acquiring an initial pavement material vibration characteristic data set; performing multi-physical field coupling analysis on the initial pavement material vibration characteristic data set to obtain pavement material response characteristic data; performing dynamic system modeling on the vibration system of the road roller based on the pavement material response characteristic data to obtain an initial digital model of the vibration system; performing dynamic feature extraction on the initial digital model of the vibration system to obtain dynamic parameter mapping data of the vibration system; and performing parameter calibration on the initial digital model of the vibration system based on the dynamic parameter mapping data of the vibration system to obtain a digital model of the vibration system. The intelligent vibration system model can accurately capture the dynamic characteristics of soil, and the optimal compaction effect is achieved.

The invention discloses an engineering drawing intelligent auxiliary correction method and platform, and relates to the technical field of data analysis processing, and the method comprises the steps: collecting synchronous measurement data after an engineering drawing is completed, importing the synchronous measurement data into a BIM model, and carrying out the alignment processing of building design data. And according to the industry specification standard, the construction deviation in the BIM model is analyzed, an error source and an error influence degree are obtained, and the error source is used for positioning a deviation node in a construction link. And an error balance optimization strategy is generated by taking minimization of the non-adjustable error as a target. And tracking the dynamic update of the BIM model, and setting an error correction cycle in comparison with an error balance optimization strategy. And performing error management in a multi-terminal collaborative window of the cartographic software according to an error balance optimization strategy and an error correction cycle. The technical problem that in the prior art, in the construction process, field real-time data and design data are difficult to effectively compare and correct, and consequently the overall construction quality is difficult to improve is solved.

The invention discloses a road construction site mobile shielding protection device, and relates to the technical field of road construction protection devices, the road construction site mobile shielding protection device comprises a mobile platform, a lower shielding plate, an upper shielding plate and an intelligent sensing network module, the lower shielding plate is fixedly mounted on the top of the outer wall of the mobile platform; an upper shielding plate is movably connected into the lower shielding plate through a lifting assembly, and an intelligent sensing network module is fixedly installed on the side face of the inner wall of the lower shielding plate. By installing the lifting assembly and the intelligent sensing network module, the function of dynamically changing the protection range according to the construction environment is achieved, the problem that a traditional protection device cannot dynamically adjust the protection range according to the construction site requirement is solved, the protection use range and flexibility are improved, and the protection safety is improved.