1301 results about "Construction worker" patented technology

An intelligent design method for a support scheme of a rock burst section in a TBM tunnel, relating to the field of tunnel engineering. The intelligent design method for the support scheme of the rock burst section in the TBM tunnel comprises: determining a surrounding rock class on the basis of TBM mainframe operation data, surrounding rock feedback evaluation, and a tunnel engineering geological survey report, and using a rock burst intensity assessment method to predict a rock burst grade; and on the basis of the surrounding rock class and the rock burst grade, using a computer deep learning technology to determine an initial surrounding rock support method. The method effectively avoids the impact of subjective factors, actively utilizes TBM mainframe operation data and surrounding rock feedback evaluation, utilizes big data processing and an artificial intelligence technology to propose an intelligently designed support scheme for a rock burst section in a TBM tunnel, and can provide an efficient support scheme for field construction workers for a rock burst section in a tunnel.

The invention discloses a construction site unsafe behavior detection method and system based on image recognition, and relates to the technical field of intelligent visual safety monitoring, and the method comprises the steps: collecting a construction image containing a constructor, carrying out the rectangular frame labeling of unsafe behaviors in the construction image, and generating a structured labeling data set; inputting the structured annotation data set into a YOLOv5 target detection model, performing training through Mosaic data enhancement and an adaptive anchor box generation algorithm, and outputting the trained YOLOv5 target detection model; based on the trained YOLOv5 target detection model, performing 128-dimensional feature vector extraction and track association matching on a detected target through a DeepSORT multi-target tracking algorithm, and outputting a track data table; and the recognition stability and behavior analysis depth of the system in a complex environment are enhanced, so that automation and intelligentization of safety management of a construction site are effectively supported.

The invention discloses a pumped storage power station safety construction monitoring method based on image recognition, and relates to the technical field of pumped storage power station safety construction monitoring, and the method comprises the steps: carrying out the intelligent monitoring of a construction site through a high-definition camera, an unmanned plane, and a multispectral imaging device, and optimizing the target capturing capability through an environment adaptive adjustment strategy. And in combination with a deep learning and behavior analysis model, identifying construction personnel, equipment and environment states, detecting behaviors such as no safety helmet wearing, illegal retention, equipment abnormity and the like, and performing real-time tracking and updating. Based on a risk level calculation model, a multi-level alarm mechanism is constructed, acousto-optic early warning, remote alarm and task scheduling are triggered, and construction safety is optimized in combination with cloud collaborative management. And self-supervised learning and cross-scene transfer learning are adopted, so that the recognition precision and the system adaptability in a complex environment are improved. According to the method, better effects are achieved in the aspects of real-time performance and accuracy.

The invention discloses a digital twinning-based high-altitude falling risk state assessment technology for building workers and a mapping method and system. The method comprises the following steps: extracting aqueduct building engineering site space element information and personnel positions by an IFC model, and respectively inputting the information and the positions into an indoor navigation model and a three-dimensional digital model; historical risk data of an aqueduct construction engineering site are collected to analyze a risk assessment index and a preset risk threshold value; constructing a digital twinborn model according to the risk assessment index, the risk threshold value, the indoor navigation model and the three-dimensional digital model; real-time construction site environment data, worker behavior data and equipment state data are collected to update and simulate the digital twin model in real time; evaluating the risk range of the high-altitude falling risk by combining the updated and simulated results with a risk evaluation algorithm; and performing mapping association on the digital twinborn model through the construction site environment data, the worker behavior data and the risk range, performing visual interface presentation on the mapping association part, and designing a risk early warning trigger threshold.

The automatic tiling device for building construction comprises a base plate and a feeding device arranged at the top of a first bottom plate, and a paving device is arranged at the top of a second bottom plate; according to the brick tiling device, horizontally-placed bricks are rotated by a certain angle through the rotating mechanism to be in a vertical state and attached to the wall face, so that existing suction cup tiling is replaced, the bricks of various materials and sizes can be firmly adsorbed, the bricks are not prone to falling off in the conveying process, and the brick tiling device is convenient to use and high in practicability. According to the automatic tiling device, the tiling efficiency is improved, the surfaces of the attached bricks are intermittently beaten in a reciprocating mode to a certain degree through the vibration mechanism, then the surfaces of the attached bricks are evenly vibrated, the beating strength and position of each time can be guaranteed, and the tiling efficiency is improved. The tightness of full contact between the bricks and the concrete and the smoothness of attachment between the bricks are improved.

The invention provides a building engineering data information intelligent management platform which comprises an intelligent sensing module, an edge calculation module, a data management module, an AI decision module, a business application module and a safety standard module. Through the intelligent sensing module, the edge calculation module, the data management module, the AI decision module, the service application module and the safety standard module, the position of a constructor and the equipment state can be tracked in real time, personnel are prevented from entering a dangerous area by mistake and the mechanical overload risk is prevented, operation safety is guaranteed, AI quality inspection and fault diagnosis are locally processed, cloud dependence is reduced, and the working efficiency is improved. According to the method, the system and the device, real-time early warning of potential safety hazards can still be ensured when the network is interrupted, BIM, IoT and service data can be integrated in a standardized manner, information islands are eliminated, and cross-stage quality tracing and responsibility definition are realized.

The invention relates to the technical field of pile foundation construction, and particularly discloses a pile foundation drilling steel casing mounting device which comprises a base and a position adjusting mechanism, the position adjusting mechanism comprises a coaxial correction assembly, a mounting hole is formed in the base, and the coaxial correction assembly comprises two clamping pieces which are symmetrically arranged up and down; the clamping piece comprises a clamping arm, a first retaining elastic piece, a rotating shaft, a first gear, a clamping plate and a second retaining elastic piece; when the first retaining elastic piece is in a natural state, the clamping arm is kept at the initial position, a clamping face used for clamping the peripheral face of the steel casing is arranged on the inner side of the clamping plate, and when the second retaining elastic piece is in a natural state, the clamping plate is located at the initial position. When the steel casing installation device for pile foundation drilling is used, the position of a steel casing can be automatically adjusted, the steel casing to be in butt joint and an embedded steel casing are coaxial, constructors do not need to continuously observe the position of the steel casing and conduct manual adjustment, and therefore the construction efficiency is improved.

The invention provides an electric power engineering full-period safety supervision method, and relates to the technical field of electric power engineering safety monitoring, and the method comprises the steps: collecting the electromagnetic field intensity and environment humidity data of a hot-line work region, obtaining three-dimensional space coordinates in real time through combining with a positioning tag on a safety helmet of a constructor, and dynamically calculating the three-dimensional boundary of a dangerous region; a comprehensive proximity index is constructed by analyzing the spatial relationship and the moving trend of the constructors and the dangerous boundary, the trend of the constructors approaching the dangerous area is judged in real time, and early warning is given out through the dynamically adjusted vibration frequency. In this way, the problems that in the prior art, dangerous area division is not accurate, monitoring of the movement trend of constructors is insufficient, and early warning response is single can be solved, and the safety monitoring capacity of the hot-line work environment is greatly improved.

The invention discloses a multifunctional water retaining device for water conservancy construction, and relates to the technical field of water conservancy projects, the multifunctional water retaining device comprises a base and a first water retaining plate fixed at the top end of the base, a plurality of ground nails are arranged at the bottom end of the base, a self-adjusting assembly and a buffering assembly are arranged in the first water retaining plate, and the buffering assembly is located below the self-adjusting assembly; the self-adjusting assembly comprises an open groove formed in the first water baffle, and a second water baffle is installed in the open groove in a sliding mode. The situation that the height of a traditional water baffle is fixed and cannot be automatically adjusted according to the change of the water level, so that when the water level is higher than the water baffle, the water overflows from the top of the water baffle, and equipment and materials are damaged can be avoided, meanwhile, manual intervention can be reduced, the psychological pressure of constructors can be relieved, the working intensity is reduced, and in an emergency, the construction efficiency is improved. And workers can timely evacuate or take corresponding protection measures, so that the safety can be effectively improved.

The utility model relates to the technical field of hanging basket frames, and discloses a construction hanging basket frame which comprises a bottom plate, stand columns are fixedly installed at the four corners of the top of the bottom plate, a fixing rod is fixedly installed between every two adjacent stand columns, and a plurality of protective fences are fixedly installed between the fixing rods and the bottom plate at equal intervals. A hydraulic cylinder is arranged in the middle of the bottom plate, the output end of the hydraulic cylinder is fixedly connected with a supporting plate, the supporting plate is arranged among the multiple stand columns in a sliding mode, and the protective fence penetrates through the supporting plate. The mounting groove is formed in the bottom plate, the hydraulic cylinder and the supporting plate are arranged in a matched mode, the hydraulic cylinder can drive the supporting plate to move up and down by starting the hydraulic cylinder, the distance between the supporting plate and the fixing rod can be adjusted, and therefore the protection effect on constructors of different heights is improved; the influence on the construction operation of constructors is avoided, and the practicability of the device is improved.

The application relates to the technical field of wall body dismantling, and discloses a building wall body dismantling device capable of guaranteeing the completeness of old bricks, which comprises a surrounding wall and a bearing box, further comprises a dismantling unit arranged on the bearing box, the dismantling unit comprises a flattening component and a cutting component arranged in the bearing box; the flattening component comprises shafts arranged on the inner walls of the bearing box, deflection frames arranged on the shafts, and a plurality of connecting rods arranged on the inner walls of the deflection frames; through the dismantling unit, a construction worker can divide a wall body into a plurality of wall body units when dismantling the wall body, and slowly lays down the single wall body units one by one, and through the cutting unit, the wall body units after being laid down are cut in the horizontal direction, the wall body units are divided into strips one by one, and then the strip-shaped wall bodies are cut into single bricks, so that the safety during the dismantling of the wall body is effectively improved, the completeness of the bricks is guaranteed, the construction cost is reduced, and the utilization rate of resources is improved.

The utility model relates to a cast-in-situ bored pile construction operation platform. The cast-in-situ bored pile construction operation platform comprises a platform base and a turnover platform plate. Wherein the platform base comprises a platform top plate and a plurality of supporting legs, the supporting legs are fixedly arranged at the bottom of the platform top plate, and a center hole is formed in the middle of the platform top plate; the two overturning platform plates are hinged to the upper surface of the platform top plate, the two overturning platform plates are symmetrically arranged, and the two overturning platform plates are used for covering the upper portion of the center hole; and semi-circular grooves are correspondingly formed in the opposite sides of the two overturning platform plates correspondingly, and when the two overturning platform plates cover the center hole, the two semi-circular grooves are spliced to form a circular hole. According to the cast-in-situ bored pile construction operation platform, a working platform can be provided for constructors in the construction process, the safety of the constructors is ensured, inclination or displacement in the drilling or pouring process can be prevented, the drilling and pile forming quality is improved, and the construction efficiency is improved.

The invention discloses a building safety education training system based on interactive experience, relates to the technical field of construction site safety education, and aims to solve the problems that traditional building worker safety education lacks pertinence and is difficult to meet specific safety requirements of various types of work, and the teaching mode is relatively single. The system comprises a database, a personalized learning recommendation module, an interactive learning module and a learning progress and achievement tracking module. The database is used for pre-storing safety knowledge of various construction work types; the personalized learning recommendation module is used for screening and recommending learning content suitable for the worker from a pre-stored database covering safety knowledge of various construction work types according to the work type information and learning history of the construction worker, and the learning content comprises a document and a video course. The method has the advantages that precise education content conforming to the work type and the knowledge level of each worker is provided for the worker, and the safety awareness and the skill level of the building worker are improved.

The invention provides a waterproof glass curtain wall structure of a building facade, which comprises a movable supporting assembly and a dynamic sealing system, and the movable supporting assembly is communicated with the dynamic sealing system. The movable supporting assembly is fixedly connected to the curtain wall unit, so that the curtain wall unit can slide in the indoor direction. The dynamic sealing system comprises a sealing assembly, and the sealing assembly maintains the sealing state between the adjacent curtain wall units through self deformation. The sealing assemblies are located on the peripheral wall face of the curtain wall unit and form a first sealing assembly and a second sealing assembly, and the deformation amount of the first sealing assembly is larger than that of the second sealing assembly. Therefore, by arranging the movable supporting assembly, the curtain wall unit is transferred into a room to be disassembled, by arranging the dynamic sealing system, impurities are effectively prevented from invading the curtain wall unit, and the structure of the curtain wall unit in the vertical direction is more stable. Constructors do not need to carry out high-altitude hanging operation for many times, and the construction safety is improved.

The utility model discloses an assembly type vertical prefabricated part which comprises a part body, a transparent pipe which is communicated with a grouting cavity in the part body and used for monitoring grouting quality is embedded in the part body, and scale marks are arranged on the transparent pipe and exposed out of the surface of the part body. Visualization in the grouting process is achieved, the grouting quality of the connecting position of the vertical prefabricated parts is guaranteed, and the reliability and safety of an assembly type structure are improved; and meanwhile, construction workers can observe the grouting condition of the prefabricated part in time, grouting materials are saved, and economic benefits are improved.

The invention discloses a building labor constructor access identification device, and relates to the technical field of identification devices, the building labor constructor access identification device comprises a bottom plate, the top of the bottom plate close to one side edge is provided with a blocking assembly used for preventing people from randomly accessing; according to the building labor service constructor access identification device, when a worker needs to enter a construction site on a building labor service construction site, firstly, the corresponding finger is inserted into the corresponding rubber sleeve, so that one end of the fingerprint surface of the finger is erected on the surface of the compression-resistant frame; the high-pressure water source is used for cleaning fingerprints, and then hot air is used for heating and air-drying the fingerprint surfaces of the fingerprints, so that the fingerprints can be scanned and identified through the optical fingerprint sensor, and normal reading of the fingerprints is effectively prevented from being influenced by dirt on the hands of building workers; the problem that in the prior art, most building labor service constructor access recognition devices do not have the fingerprint cleaning function, and fingerprint recording errors are likely to be caused is solved.

An optical fiber movable connector and an optical fiber connection and assembly method. The optical fiber movable connector is used for being assembled to an optical fiber to be connected, and comprises a tube pass-through connection unit, which comprises a pulling sheath (1), a ferrule assembly, a stopper (3) and a tail sleeve (4) which are coaxially arranged, said optical fiber being detachably connected to one end of the tail sleeve (4), the other end of the tail sleeve (4) being connected to the stopper (3), one end of the stopper (3) being sleeved on the ferrule assembly, and the other end of the stopper (3) being detachably connected to the pulling sheath (1); and a discrete part unit, which is used for being assembled to the tube pass-through connection unit, the discrete part unit comprising a dust cover (5), an SC outer shell (6) and an SC inner shell (7). The optical fiber movable connector is a cheaply pre-fabricated, small-sized and pullable tube pass-through assembly, which can significantly enhance the convenience for construction workers; after completion of tube passing-through, the optical fiber movable connector no matter being applied to on-site reservation or on-site assembly can make subsequent installation more convenient; and during processes of tube pass-through or wall pass-through for indoor access, the optical fiber movable connector makes optical fibers less likely to bend.

【Problem】An object of the present invention is to provide a marker holder that enables a construction worker during work to easily separate and combine a cap and a marker body, and that is less likely to damage the peripheral surface of the cap due to holding. 【Solution means】The marker holder of the present invention has openings formed at both ends, and penetrates the marker body while allowing at least a part of the base end side portion of the marker body to protrude from one end side opening and at least a part of the tip end portion of the marker body to protrude from the other end side opening, and supports the grip portion of the marker body in a posture along the axial direction. A first cylinder, fixed to the other end of the first cylinder, having a through hole in which the cap is disposed, the inner diameter of which is larger than the inner diameter of the first cylinder, so that a step surface that faces the other end side in the axial direction at the boundary with the first cylinder and interferes with the opening peripheral edge of the cap when viewed from the axial direction is formed. A second cylinder, and a lid fixed to the second cylinder and closing the other end side opening of the second cylinder. 【Selected drawing】Figure 5

The invention discloses a centering device for pier column reinforcement cage hoisting, and relates to the technical field of pier column reinforcement cage installation. Comprising a positioning piece and a centering piece, the positioning piece is installed at the bottom of a pile foundation pit where a pier column reinforcement cage needs to be placed, and the centering piece is installed on the pier column reinforcement cage. Wherein a laser pen is installed on the positioning piece, the laser pen and the pile foundation pit are coaxially arranged through the positioning piece, a positioning cone is installed on the centering piece, and the pier column reinforcement cage is placed in the pile foundation pit in a hoisting mode. By means of the positioning piece and the centering piece, a constructor can visually judge the centering condition of the pier column reinforcement cage, in the hoisting process, the reinforcement cage can be accurately adjusted to the position coaxial with a pile foundation pit by observing the light spot position in real time, the installation precision of the pier column reinforcement cage is ensured, and the construction efficiency is improved. The problems of uneven structure stress and the like caused by position deviation are effectively avoided, and the construction quality and stability of the pier column are improved.

The invention discloses construction equipment and method for controlling the shield tunneling temperature in auxiliary material transportation, the construction equipment comprises a fixed buffer frame and a customized heat conduction copper box or aluminum box, and the fixed buffer frame is connected with a shield construction duct piece through a customized bolt penetrating through a limiting bolt and a bolt hole; the method has the advantages that the buffer frame is installed and fixed to assist transportation, the buffer frame is made of high-strength materials, the density and the thickness of a buffer pad are increased, the transportation impact force can be effectively absorbed, smooth proceeding of the construction process is ensured, the shutdown risk caused by material damage is reduced, and the temperature control method is efficient; a large amount of heat generated in the shield tunneling operation process is effectively absorbed, so that the overall temperature in a tunnel is remarkably reduced, the operation environment of constructors is improved, health risks caused by high-temperature operation are reduced, the operation stability and safety of a shield tunneling machine are improved, the construction cost is reduced, and the construction period is shortened. And high-quality promotion of shield construction is ensured.

The utility model provides an anti-falling device of a building construction elevator, which relates to the technical field of building material transportation and comprises a shear type elevator and a base plate arranged on the shear type elevator, four side edges of the base plate are respectively and rotatably provided with an anti-falling plate, and the four anti-falling plates are in mutual transmission through bevel gears; a spring leaf rolling mechanism is connected between the base plate and the anti-falling plate, and a stabilizing mechanism connected with the base plate is connected to the spring leaf rolling mechanism. The displacement type transportation seat plate is arranged on the base plate, the periphery of the base plate is protected through the anti-falling plate, falling of building materials is avoided, the anti-falling plate is rotationally connected with the base plate and can be rotated to be flush with the base plate, and the building materials are conveniently placed; and building materials can be conveniently transported to a construction platform through the displacement type transportation base plate, and constructors are prevented from getting on the base plate to take the materials.

The invention relates to a shaped SPCS cavity wall assembly type combined system and a construction method thereof. The shaped SPCS cavity wall assembly type combined system comprises an SPCS cavity wall, assembly type ring ribs, a height-adjustable base, a laminated plate, a supporting angle adjusting piece and an adjustable supporting rod. An SPCS cavity wall and a ground anchor are arranged on the laminated slab; fabricated ring ribs are arranged in the SPCS cavity wall, and supporting angle adjusting pieces are arranged on the upper side face and the lower side face of the SPCS cavity wall correspondingly. The group of adjustable supporting rods are respectively connected with the ground anchor piece and the supporting angle adjusting piece; the SPCS cavity wall and the laminated slab are connected through a height-adjustable base, and the side face is sealed through a sealing plate. And a group of lifting lugs are arranged at the upper end of the SPCS cavity wall. According to the method, BIM modeling is adopted to extract data, intelligent machine tool machining is adopted, an SPCS cavity wall assembly type combined system is formed, the construction procedures are greatly reduced, size control is accurate, the reinforcing mode is reliable, and the forming effect is good; the method not only has a good construction error-tolerant rate, but also guarantees the safety of construction workers, and improves the efficiency of building construction.

The invention discloses a deep foundation pit supporting system in a complex environment and a construction method, and belongs to the technical field of deep foundation pit construction. The construction method comprises the following steps that technical preparation is conducted, and slope protection is conducted; according to the method, the foundation is effectively divided into different areas, the problems that an existing foundation pit supporting system is low in construction efficiency, insufficient in safety, waste in resources and the like are effectively solved, the slope protection process is set in the method, a safety fence is arranged at the slope top, water outside the pit is prevented from entering, and the safety of the foundation pit supporting system is improved. According to the method, materials stacked beside a pit and vehicle overload rolling can be effectively prevented, constructors are protected against falling, the overall safety of follow-up construction is improved, meanwhile, in the waist beam construction process of the anchoring force transmission device, the axis of the anchor rod can be perpendicular to the pressed face, the structural strength of the anchor rod can be greatly improved, and the construction efficiency is improved. Therefore, firmness and stability of the foundation pit can be effectively guaranteed, and the construction effect of the whole method is improved.

The invention discloses a construction personnel unsafe behavior detection method based on an improved YOLO, and relates to the technical field of behavior detection, and the method comprises the steps: carrying out the improvement and training of the YOLO through the marked video data, obtaining an improved YOLO model, obtaining the video data of the operation motion of a to-be-recognized construction personnel, inputting the video data into the improved YOLO model, and combining with a multi-target tracking algorithm, and carrying out the recognition of the operation motion of the to-be-recognized construction personnel. Performing quantitative analysis on the behavior types and the behavior track characteristics of the construction personnel by applying a quantitative theory, and performing evaluation in combination with a safety evaluation model constructed based on a fuzzy analytic hierarchy process to obtain a comprehensive safety score of the construction personnel. And generating an unsafe behavior detection report according to the comprehensive safety score and the behavior safety level of the construction personnel. Through the YOLO behavior detection method, the accuracy and efficiency of unsafe behavior detection of the construction personnel are greatly improved.

The present invention relates to the technical field of building formwork, and provides a modular housing building formwork system, which includes a formwork component and a fixing component, and further includes a formwork removal structure for removing the formwork component. The formwork removal structure includes a wedge-shaped strip rib, and the inclined angle structure of the wedge-shaped strip rib is used to jack up the formwork component, so that it gradually moves away from the concrete wall, so as to realize the stable and controllable process of removing the formwork component. When removing the formwork of the present invention, no auxiliary tools such as a formwork removal hammer and a formwork removal rod are required, the formwork component will not be damaged, the operation is convenient and fast, the labor intensity of construction workers is reduced, and the operation efficiency is improved; high-strength alloy is adopted to enhance the durability and stability of the building formwork system; by rotating the vertical screw rod to drive the wedge-shaped strip rib to jack up the vertical plate to make the formwork component, the problems that the formwork falls randomly easily and damages the concrete wall and the formwork in the traditional formwork removal operation are overcome, the recycling utilization rate of the formwork component is improved, and the recycling cost is reduced.

The invention relates to the technical field of target detection and face recognition, in particular to a construction safety information transmission method based on an intelligent safety helmet, and the method comprises the steps: firstly determining a feature point location on a target image, and drawing a circular region according to the feature point location; marking each circular region according to the coincidence condition of the shadow contour line in the circular region and the pre-stored shadow contour line in the preset target image, marking the region with a higher coincidence degree as a first-level region, marking the region with an extremely low coincidence degree as a third-level region, and considering that a constructor may wear a mask and the like, marking the contours of the circular regions in the first-level region and the contours of the second-level region as the contours of the third-level region; therefore, whether a face shielding condition exists is analyzed according to the distribution condition of the third-level areas, the number of the various areas is counted, whether matching exists is preliminarily analyzed according to the number proportion of the first-level areas, if the number proportion of the first-level areas is large, matching is judged to be successful, and a recognition qualification signal is sent, so that authorized personnel enter the working area, and the working efficiency is improved. Irrelevant personnel are effectively prevented from entering dangerous places, and the safety risk is reduced from the source.

The invention relates to the technical field of elevators, and discloses a landing door structure for an elevator. The landing door vertically slides on a rotating rod on the guide rail and is rotationally mounted on one surface, deviating from the floor, of the landing door; the lock rod is fixedly installed at one end of the rotating rod, and the end, away from the rotating rod, of the lock rod is driven to be attached to or away from the guide rail through rotation of the rotating rod; the balance weight plate is fixedly installed on the rod wall of the other end of the rotating rod, and the balance weight plate is used for driving the rotating rod to have the trend of driving one end of the lock rod to be attached to the guide rail all the time; the first limiting block is fixedly installed on the guide rail, and when the end of the lock rod is attached to the guide rail, the lock rod is located below the first limiting block and matched with the first limiting block to form a landing door self-locking state; when the cage door is opened and moves upwards, the door picking piece pushes the balancing weight upwards, and when the rotating rod drives the locking rod to rotate to leave the guide rail, the landing door is in an unlocked state. The floor door can be prevented from being opened by floor constructors at will.

The invention discloses a shear wall damper installation auxiliary structure and a using method, the shear wall damper installation auxiliary structure comprises a lifting trolley, the upper end of the lifting trolley is provided with a lifting platform, and the lifting trolley is provided with a fine adjustment platform and an adjusting mechanism used for driving and adjusting the height of the fine adjustment platform; the rotating platform and the transmission mechanism are arranged above the fine adjustment platform; the supporting plate piece is arranged on the rotating platform in a sliding mode, two placing arc plates are arranged on the supporting plate piece, and baffles are arranged at the ends, away from each other, of the two placing arc plates; the telescopic mechanism is arranged between the supporting plate and the rotating platform; according to the scheme, the installation process of the damper is different from the situation that the damper needs to be lifted by multiple constructors and is frequently adjusted at present, a large amount of labor force and time are saved, and the installation efficiency is high; and the installation process of the damper is more stable and accurate, collision and damage to the damper are greatly prevented, the installation quality and the using effect of the damper are improved, and high practicability is achieved.

The present invention discloses a construction site safety monitoring system based on drone vision. The present invention relates to the technical field of construction site safety monitoring and solves the problem of being unable to uniformly identify whether relevant construction workers are wearing safety helmets and whether their safety helmets are worn in compliance with standards. The present invention uses a drone to monitor the construction area of ​​the construction site in real time, and determines the monitoring screen in real time, and then selects a face image from the monitoring screen based on relevant extracted features, and then performs a preliminary analysis on the face image. By locking the center point and the point to be processed, it is identified whether the mean angle of the connecting line within the contour is consistent, and a preliminary judgment can be made as to whether the corresponding construction worker's helmet is worn abnormally, and a relevant judgment signal is generated for timely display. The monitoring method is more comprehensive and can achieve better construction site safety supervision effects.