225 results about "Construction site safety" patented technology

The present invention discloses a construction site safety helmet wearing detection system and method, belonging to the field of video identification detection. Aiming at problems that mis-identification is easily generated, there are many data requirements of a safety helmet and the identification result is not good in the prior art, the present invention provides a construction site safety helmet wearing detection system and method, a video device and a detection system. The method comprises the steps of: A, collecting video monitoring images, and establishing a detection and identificationmodel; B, collecting real-time monitoring images of a construction site to perform detection of moving objects, and uploading images of the moving objects to an identification system if the images ofthe moving objects are detected; C, receiving the images sent in the step B by the identification system to perform detection and identification and determine the state of a helmet; D, transmitting aresult to a message queue; and E, displaying a detection and identification result. The construction site safety helmet wearing detection system and method can accurately determine whether there is asafety helmet or not, required original data is few and identification is accurate.

The invention discloses a safety helmet wearing condition monitoring method on a construction site. The hardware used in the monitoring method at least comprises a high-speed spherical camera, a monitoring device and a display device. The monitoring method at least comprises the steps of monitored image collection, monitored image processing and data statistics and display. Monitored image collection comprises the step of controlling the camera to carry out continuous shooting. Monitored image processing comprises the steps of target marking and safety helmet recognition, wherein target marking comprises the steps of obtaining a binaryzation current foreground and marks and tracking the movement target of a representative. Safety helmet detection and recognition are based on target marking, and data statistics and display carry out statistics and calculation according to safety helmet detection and recognition. According to the monitoring method, the detection method based on vision is used for monitoring the safety helmet wearing condition in an inlet of the construction site, and the monitoring method can achieve automatic detection and monitoring.

The invention discloses a construction safety management and control system based on BIM technology, which is applied to safety management and control during the construction period of a constructionproject. The system comprises a background processing system, an infrared sensing device, an alarm device, a sensor, an electronic indicator, a display terminal and a network transmission server, wherein the electronic indicator is placed in a dangerous area of the construction site and is used for displaying the risk situation of the current area; the infrared sensing device is placed in a dangerous area which is used for forbidding personnel to enter in the construction site, and is used for detecting whether a person enters a dangerous area or not; the sensor is arranged at a construction site where accidents usually occur and a key structure position, and is used for monitoring environment data and structural deformation data of the position. Compared with a traditional construction site safety management and control, the system is based on the BIM technology, and the area positioning and information transmission are more accurate and rapid; digital supervision is carried out in the construction area, while real-time early warning is carried out on on-site constructors and monitoring personnel, so that the construction safety management is more simple and effective.

The invention discloses a construction safety helmet wearing monitoring method based on computer vision human body posture estimation. The construction safety helmet wearing monitoring method comprises the following steps: S100, detecting and outputting body skeleton postures of all individuals in an image according to a real-time multi-person posture estimation algorithm model OpenPose; S200, detecting a worker and a safety helmet in the image according to a deep learning target detection algorithm model YOLOv3, and using two types of rectangular frames for identification and output respectively; and S300, integrating the two algorithm models, and judging whether a worker wears the safety helmet or not in the figure according to the intersection surface ratio of the two types of rectangular frames and the comparison of the diagonal length of the rectangular frames of the safety helmet and the length from the center point of the face of the person to the center point of the safety helmet. The construction safety helmet wearing monitoring method can accurately judge whether the safety helmet is correctly worn or not, is clear in logic process and high in detection speed, and has important significance in guaranteeing effective wearing of the safety helmet on a construction site in real time and maintaining the life safety of constructors.

The invention discloses a construction site safety early warning method and system based on a BIM model. The method includes the following steps of establishing the BIM three-dimensional model, establishing coordinate points for dangerous source feature positions, importing the coordinate points into the three-dimensional model, updating feature coordinate points in real time according to the dangerous source information changes provided by site safety officers, judging whether constructors enter a dangerous area or not according to sensor safety helmets of the constructors, conducting dangerous source prompting on the constructors entering the dangerous source area through the safety helmets, transmitting signals back to a monitoring center and site safety managers, supervising the workers entering the dangerous source area in real time by the managers in the monitoring center, and supervising constructors nearby the dangerous source by the site safety managers so as to ensure the safety construction of the constructors. By means of the construction site safety early warning system, through the BIM three-dimensional model, the changes of the site dangerous source are responded toeffectively in time, and dual protection is conducted on the constructors entering the dangerous source area, and guarantees are provided for safety construction.

The invention discloses a construction site safety risk identification, assessment and prevention method comprising the following steps: S1, creating a real-time model of a construction project, identifying and assessing a dangerous work area in the real-time model, and creating a DVF; and S2, acquiring real-time data of a construction site, detecting the safety risk of the construction site according to the real-time data and the DVF, generating a warning, and perfecting safety precautions. Through the method, the construction process of a dynamic project can be visualized in real time, unknown risks can be identified and assessed, safety precautions can be strengthened, and the safety of the construction site can be improved. A BIM semi-finished product model can be created with the project advances. Risks can be identified in phases, and the accuracy is higher. The safety risk of a construction site can be identified, assessed and prevented in real time. The working state of workers can be monitored in real time. Once there is a worker approaching a danger area, the alarm is raised immediately. The precaution consciousness of workers is improved. A real-time and effective building construction safety management system is formed.

The invention relates to a cable coiler for supplying movable city electricity. Wherein, one side of coiler is insulated arranged with electric brush embedded with the cable terminal of city electricity; the electric brush fixed end is connected to the power wire of movable system; the cable is coiled on the coiler; the hysteresis coupler, speed reducer and coiler are coaxially connected, and supported by the support fixed on base; the hysteresis coupler is transmitted by the belt via motor on the base; there are cable supports under the coiler and between two ends of each support; under the base, there is cable baffle support opposite to the cable support; the cable through the cable support and cable baffle support is connected to the electric bank. The invention can directly connect the city electricity and the movable system, with protected shell of cable.

The invention provides a construction site safety monitoring system and method thereof, and relates to the technical field of construction site safety. The construction site safety monitoring system comprises a monitoring module, a helmet, and a safety belt. The helmet is provided with an infrared sensor, a first positioning module, and a first communication module. The safety belt is provided with a second positioning module and a second communication module. The monitoring module comprises a camera, a processor, and a third communication module. The third communication module is in communication connection with the first communication module and the second communication module. According to the construction site safety monitoring system and method thereof, the processor analyzes the thermal energy information acquired by the infrared sensor, a first position information acquired by the first positioning module, and a second position information acquired by the second positioning module, so that whether a worker wears a helmet or not and / or a worker wears a safety belt or not can be accurately obtained; and the construction site safety monitoring system has the advantages of saving manpower resources and comprehensive monitoring.

The invention discloses a construction safety big data supervision system, which comprises related equipment of terminals, side ends and a cloud. The terminals refer to various information acquisitionsystems arranged on a construction site; the side end is a centralized processor which is arranged on a construction site and has certain data processing capacity, and is used for processing information acquired by the construction site terminal to realize identification of a dangerous state of the construction site; and the cloud consists of related network servers and is used for storing various information data of a construction site and displaying various information and dangerous states of the construction site. The invention further discloses a safety risk dynamic evaluation method based on the construction safety big data supervision system. According to the system and the method, construction site information acquisition and big data sharing are realized, dynamic evaluation of construction site safety is realized, and the real-time performance, objectivity and accuracy of construction site safety evaluation are improved.

The invention relates to a positioning device and system for real-time monitoring of construction site personnel information. The system comprises a positioning label attached to a constructor, a positioning base station, a resolving service center station and a background management system. The positioning label is attached to a safety helmet; the positioning label enters a signal coverage rangeof the positioning base station and automatically establishes connection with the positioning base station, and the positioning base station completes acquisition of positioning data according to a built-in rule, transmits the positioning data to a resolving service center through data message middleware for resolving, calculates an actual position of the positioning label and stores the actual position into an entity database; the background management system displays the positions of all people in the area in real time through an electronic map, monitors the dynamic state of people, and masters the number of people and the real-time distribution condition. Based on equipment information collection and reporting, the functions of personnel positioning, track playback, intelligent uncapping detection, safety helmet unwearing monitoring and the like are achieved, safety accidents caused by personnel retention negligence are effectively eradicated, and the construction site safety accident occurrence frequency is reduced.

The invention discloses a rail transit construction visual monitoring and management system based on a BIM-3DGIS and an automatic data analysis technology. The system comprises a monitoring managementmodule, an electronic sand table module, a database module and a display module, wherein the monitoring management module comprises a basic information configuration module, an instrument original data uploading module, a data automatic analysis module and a data query module. The electronic sand table module comprises a BIM module, a 3DGIS module, a BIM-3DGIS model module, a basic information module, a measuring point data module and a measuring point three-dimensional alarm module, and the display module comprises a PC webpage end display and a mobile end display. According to the invention, visual browsing of underground and overground interfaces and the surrounding environment of the subway station can be realized; a data analysis algorithm is developed, a large amount of offline dataprocessing work is omitted, measurement data processing efficiency is improved, through three-dimensional visual positioning of construction measuring points, potential safety hazards of a construction site are visually displayed, site construction conditions are rapidly reported, and project management is more efficient and transparent.

The invention discloses an electric power construction site safety control method and relates to the technical field of electric power construction management methods. The method includes the following steps that electric power construction site safety management software compatible with mobile phones and a remote server is made; electric power site construction staff and managers download and install the management software onto the mobile phones; the construction staff use the mobile phones to collect information of an electric power construction site and transmit the information, collected by the mobile phones, of the electric power construction site to the remote server through the management software, and the remote server is used for classifying and processing the information of the electric power construction site through the management software; the managers have access to the remote server through the mobile phones and the management software installed on the mobile phones in real time to know the condition of the electric power construction site. Supervisors and leaders at different levels can make quick judgments about site work conditions conveniently through the control method, timeliness and accuracy of site information reporting are guaranteed, and the safety management level is improved.

The invention discloses a plane and facade construction method for an APF self-adhibiting waterproof roll. The unique construction process-pre-adhibiting method (border adhibiting method) is adopted; in the aspect of innovative construction method selection, dry adhibiting, wet adhibiting, border adhibiting, pre-adhibiting anti-stick methods can be adopted for construction, so that the labor strength is reduced, and the base layer requirement can be met; roll width can be selected from 1m to 2m, so that lap joint reduced, the construction is faster, and the plane and facade construction method is especially suitable for large-area construction; the plane and facade construction method is safe and environmentally friendly; construction on the APF self-adhibiting roll is cold construction, so that the plane and facade construction method is friendly to the environment, and the potential safety hazard of a construction site is eliminated.

The invention discloses a construction site helmet wearing automatic detection method and system, and the method comprises the steps: obtaining a construction site monitoring video in real time, detecting all faces in the monitoring video, and obtaining a boundary frame of each face; tracking a bounding box of subsequent frames of faces in the monitoring video based on a face tracking algorithm, executing a face key point detection algorithm, detecting obtained face key points, and correcting a rectangular box of the face tracking algorithm by using a face bounding box of a current face key point detection result; solving a face Euler angle based on the detection result of the face key points and a PnP algorithm; detecting and tracking a human face, taking a safety helmet area with the best Euler angle obtained by the human face as a candidate area of the safety helmet, and judging whether the safety helmet exists in the candidate area of the safety helmet or not by using a safety helmet recognition algorithm. According to the invention, near-face detection and a safety helmet detection and recognition system are combined, so that the reliability of safety helmet recognition is improved.

The invention discloses an interactive foundation construction site safety management system and relates to construction management systems. The interactive foundation construction site safety management system solves the technical problem that in existing engineering construction, working levels of all construction units are repeated and consequently management is not in place. The interactive foundation construction site safety management system comprises a management system platform and a front-end monitoring device. The front-end monitoring device collects, codes, stores and uploads a site video. The management system platform comprises a Hikvision iVMS platform, a server and a display. The Hikvision iVMS platform is connected with the front-end monitoring device through a network and receives uploaded data of the front-end monitoring device. A server is connected with the Hikvision iVMS platform and used for storing data, and the display is connected with the Hikvision iVMS platform and used for displaying a surveillance video. The management system platform shares the video, achieves communication and interaction of all departments, coordinates progress schedules in different places, and solves the problems that a grid foundation construction engineering site is wide in range, large in quantity, disperse in geographical distribution and difficult in unified management.

The invention discloses an intelligent wearable safety suit, which comprises a safety helmet, a safety rope, a reflective vest, a pressure sensor, a Hall switch, a horizontal sensor, a power supply, an alarm lamp, a buzzer and a core processing chip. The intelligent safety suit has the advantages that: (1) the intelligent safety suit has a non-standard wearing intelligent alarm function, the intelligent safety suit can give an alarm in time and remind personnel of correct wearing, and constrains field construction personnel to achieve construction safety operation on a construction site in combination with system reminding, assessment and behavior analysis; (2) the intelligent wearable safety suit is combined with a mobile app to bind a security equipment set, records and analyzes data bymeans of the matched mobile app, and is combined with informationized system analysis to realize online security inspection, so that security management covers each site, continuous improvement of each hierarchical unit is formed, and an objective attendance mechanism is formed; (3) and the intelligent wearable safety suit integrates safety management requirements in the power construction processand the building construction process, and forms complete construction site safety requirements.

A building machine, especially a road finishing machine, comprising a presence detection system (3). The presence detection system (3) comprises a sensor (4) which is integrated in the control panel (1) of the building machine. By means of the sensor a distance measurement can be carried out, which determines whether the operator is properly seated on the driver's seat (2) of the building machine or whether he stands properly at the standing work place. In order to determine the presence a tolerance range (6) may be specified, which allows a slight movement of the operator on the driver's seat(2). If the operator approaches the limits of the tolerance range (6)he is asked in time by warning signals to be seated again properly on the driver's seat(2) or adopt a proper position at the standing work place. If the sensor (4)detects no operator on the driver's seat (2)or at the standing work place all of the functions of the building machine are stopped in order to make sure that the work site is safe.

The invention discloses a catalytic reformate refining deolefination catalyst. The catalytic reformate refining deolefination catalyst comprises, by mass, 30-70% of Al2O3 and 30-70% of a molecular sieve. The invention also discloses a preparation method of the catalyst. Through a dipping method, the molecular sieve catalyst carrier is loaded with Al2O3. The catalyst has high activity, good stability and a long usage period, can be cycled, reduces labor intensity and reduces construction on-site safety hidden trouble and environment pollution.

The invention discloses a construction site safety protection detection method and system, and the method comprises the steps: constructing a target detection network integrated with a CLAHE algorithm, and employing a training set to train and optimize the target detection network; obtaining a model weight file according to the trained and optimized target detection network; reading the model weight file into an ImageAI library fused with a non-maximum suppression algorithm; obtaining a safety protection tool detection model; obtaining monitoring video to be detected, and detecting whether a worker in each real-time monitoring image in the to-be-detected monitoring video wears a safety protection tool or not by adopting the safety protection tool detection model; if the detection result ofthe continuous M real-time monitoring images is that the worker not wearing the safety equipment exists, sending alarm information to a field administrator terminal. The safety tool wearing conditionis reliably and effectively detected, manpower and material resources for construction site supervision are reduced, the supervision timeliness is improved, and the probability of safety accidents isreduced.

The invention discloses a construction behavior safety risk analysis and dangerous point identification method based on a knowledge graph. The method comprises the following steps: (1) establishing a construction safety accident knowledge graph according to a related construction safety accident report; (2) acquiring accident occurrence data according to the construction safety accident knowledge graph, analyzing field behavior safety data through a modified grey clustering algorithm, and calculating a construction field safety risk level; (3) calculating a behavior index correlation degree through a grey correlation analysis method, and tracking a key behavior index; and (4) identifying dangerous positions related to the key behavior indexes through a knowledge graph path reasoning algorithm. According to the method, objective data of a construction safety accident report are integrated by introducing the knowledge graph, risk feature data are extracted from the knowledge graph, a risk analysis algorithm is improved, dangerous point identification is supported, and the problem that an existing risk analysis and dangerous point identification method is difficult to reflect project and regional features and subjective uncertainty is solved.

The invention discloses a distribution network construction safety quality control method and platform based on ubiquitous power Internet of Things. The method comprises the steps: obtaining the coordinate data of a construction site; judging whether the construction site coordinate data is consistent with coordinate data of a preset construction safety area or not, If yes, collecting a construction site image and transmitting the construction site image to a background control center through the ubiquitous power Internet of Things; and identifying construction site safety quality informationin the construction site image, and performing operation indication according to an recognition result. By managing and controlling the behavior safety of operators and utilizing intelligent equipmentwith identity authentication, real-time communication and video monitoring functions, data acquired by information of field operators is transmitted to a cloud end, so that real-time monitoring, assistance and guidance of a background on the conditions of the field operators are realized.

The invention relates to a railway construction site safety monitoring method and device; the method comprises the steps: obtaining an operation image; inputting the operation image into a pre-constructed target detection model to obtain coordinate information and dressing information of an operator in the operation image; performing track edge extraction on the operation image, determining track edge information, and determining a safety area in the operation image according to the track edge information; and obtaining a safety detection result according to the dressing information, the coordinate information and the safety area. Thus, without manual monitoring, a detection basis can be provided for the safety of operators in a working site by pre-constructing the target detection model and extracting the track edge in the working image, so that interference of subjective factors and external factors on site monitoring in the manual monitoring process is avoided, the monitoring efficiency is greatly improved, and the safety of on-site constructors is further guaranteed.

The invention discloses a power supply enterprise construction mobile safety supervision platform. The platform comprises an intelligent mobile terminal and a cloud platform in communication connection with the intelligent mobile terminal; the cloud platform is provided with a human face sample unit for storing human face images of field operation personnel of a power supply enterprise, and a personnel safety permission unit for sending personnel permission information to the intelligent terminal; the intelligent mobile terminal is provided with a human face identification module; and the human face identification module is used for identifying whether the personnel entering a scene are matched with permitted human face images sent by the personnel safety permission unit or not to judge whether the personnel are allowed to enter the scene or not. By utilizing latest technologies of a 4G wireless network, the intelligent mobile terminal, cloud computing, human face identification and the like, construction scene safety supervision control is further enhanced, construction operation is standardized, and personal safety is guaranteed.

A construction site safety management apparatus which is wirelessly communicatively connected with a positioning device or a distance measuring device, the apparatus including a recognition unit for appropriately recognizing respectively mutual positions among the one or more construction machines and, the installation objects or the workers, based on positional information transmitted from the positioning devices and / or distance information transmitted from the distance measuring devices, and a judgement unit for judging mutual proximity among the one or more construction machine and, the installation objects or the workers, based on roles of the installation object and / or the workers preliminarily set for the said one or more of the construction machines, while searching said recognized mutual positions among the one or more construction machine and, the installation objects or the workers, thereby performing centralized control of safety of the construction site.

The present invention provides a VR-based integrated safety training system and relates to the technical field of VR. The VR-based integrated safety training system comprises a VR helmet and a matching handle thereof. The VR helmet and its matching handle are connected with a main control computer. The main control computer is characterized in that a high-altitude safety simulation module, a firesafety simulation module and an electric safety simulation module are disposed in the main control computer and are modeled by Max, Maya or Zbush; diagrams are created by a Substance Designer; and content is created by a professional engine Unreal Engine4. The VR-based integrated safety training system transform the traditional speaking-style education into experience-style education, simulates accidents at construction sites by VR so that constructors can personally experience the harms caused by violation operations, strengthen safety awareness, and skillfully master operating skills. In engineering management and regulation, the VR-based integrated safety training system can obtain effects instantly.

The invention discloses a construction site safety management system based on BIM and AI. The system comprises a base layer, a storage layer, an analysis layer and an application layer. The basic layer provides basic data information for the storage layer, the storage layer stores the data information of the basic layer, the analysis layer calls and analyzes the data information of the storage layer and transmits an analysis processing result to the application layer, and the application layer displays the analysis processing result of the analysis layer in a classified mode; and a method comprises the following steps: firstly, constructing a construction site BIM model, and carrying out model lightweight on the construction site BIM model to reduce the transmission pressure of a model network; and secondly, carrying out processing analysis on a video monitoring image collected by a video monitoring system based on a TensorRF deep learning platform, discovering the safety risk existing in the construction site, and generating safety early warning information. The problems that in the prior art, BIM and AI are not fully combined, a measurable safety early warning model does not exist, network transmission of a BIM model occupies many bandwidth resources, and the transmission speed is low are effectively solved.

The invention relates to the field of monitoring, in particular to a construction site monitoring system and a construction site monitoring method. By unmanned aerial vehicle assisted monitoring, image and video acquisition in a whole engineering construction process is realized, and construction progress and safety conditions can be known effectively. As safety management is an important part of project management, eradication of safety production accidents is the basis for completion of set purposes of projects and is also the guarantee of smoothness in project implementation. Safety management strengthening and safety inspection intensification which are critical are normally realized by means of personnel deployment reinforcement and inspection frequency increase, which cannot completely meet requirements of existing mega project construction and management. Therefore, by application of the construction site monitoring system and the construction site monitoring method to a large engineering construction safety management process, construction site safety reliability is improved, and probability of safety accidents is reduced.

The invention provides an advanced water-stopping isolation structure of a later poured band for a basement, which comprises early poured armored concrete slabs positioned at both sides of the later poured band, extending flanges are both arranged below the later poured band on the early poured armored concrete slabs at the two sides, and a rubber water-stopping band is arranged between the two extending flanges, wherein both ends of the rubber water-stopping band are respectively inserted in the two extending flanges. Before the concreting of the later poured band, the water-stopping isolation can be effectively realized inside and outside building structures, so that water-dropping expense is reduced. Meanwhile, the earthwork backfilling construction can be carried out as soon as possible, the eliminate safety management hidden dangers of a foundation pit is eliminated, the operation fields of construction sites is increased, and advantages for the safe production and civil construction management of the construction sites are created.

The invention discloses a self-spraying type fog pile for construction site. The self-spraying type fog pile for the construction site comprises a bottom pile, a spraying pile, a connecting pile and a deceleration strip, wherein the upper surface of the bottom pile is fixedly connected with the lower surface of the connecting pile, the upper surface of the connecting pile is fixedly connected with the lower surface of the spraying pile, the surface of the spraying pile is fixedly connected with a water guide support rod, and the surface of the water guide support rod is inclined, the end, far away from the spraying pile, of the water guide support rod is fixedly connected with a spray forming ring, and relates to the field of fog piles. According to the self-spraying type fog pile for the construction site, the bottom pile, the spraying pile and the connecting pile can further play a role in limiting vehicle passing, the size of the fog pile is designed according to the size of the vehicle, and the speed of the vehicle can be reduced by combining the deceleration strip, and the dust which is rolled up by the vehicle is reduced while the safety of the construction site is improved, so that the problems that most of the spraying ranges of common spraying piles are wide, no pertinency exists, air dust is removed mainly in a large range, the spraying time is not easy to control, and the water resource consumption is large are solved.