200 results about "Highway maintenance" patented technology

The invention relates to the field of intelligent transportation systems, discloses an intelligent highway maintenance system and method, and aims to solve the fundamental defects that in the prior art, the data acquisition dimension is single, the maintenance decision depends on artificial experience, and prospective prediction is lacked. The method comprises the following steps: acquiring multi-modal dynamic sensing data covering a whole road domain; constructing and updating a four-dimensional space-time digital twinborn model in real time; driving the causal graph neural network model to perform structure health state prediction and diagnosis; generating an active maintenance instruction through a multi-objective optimization engine; and the autonomous maintenance execution unit is dispatched to complete unmanned closed-loop operation. According to the method and the system, fundamental transformation of road maintenance from passive response to active prevention, from artificial experience to intelligent decision making and from discrete operation to closed-loop automation is realized, and the maintenance efficiency, the safety and the health level of the whole life cycle of the road are remarkably improved.

The invention relates to the technical field of application computer science and artificial intelligence, and discloses a highway pavement disease rapid identification and diagnosis system based on deep learning, and the system comprises a data collection and preprocessing module which is used for obtaining and processing multi-source time series data; the unified state vector characterization module is used for constructing a unified vector for characterizing the comprehensive state of the pavement; the spatio-temporal evolution and inference module is used for simulating the spatio-temporal evolution process of the pavement state; the model training and optimizing module is used for carrying out optimization training on the evolution model; and the diagnosis and prediction application module is used for generating a final diagnosis report and maintenance decision. According to the method, the development trend of the pavement diseases and the effects under different maintenance scenes are deduced and simulated through the spatio-temporal depth model jointly constrained and optimized by physical and causal knowledge, a complete closed loop of the pavement diseases from static recognition to dynamic diagnosis and decision making is realized, and the scientificity and the intelligent level of road maintenance management are improved.

The invention is suitable for the technical field of intelligent traffic and digital construction, and provides a highway maintenance construction traffic influence simulation method based on an unreal engine V5, which comprises the following steps: acquiring a target area satellite image, a digital elevation model and road network vector data, completing coordinate unification and layer registration in a QGIS, generating a geographic base map, importing the geographic base map into CityEngine, and constructing a highway maintenance construction model. A model matched with a real road network structure is generated by utilizing a CGA rule, an unreal engine V5 is imported through a Datasmith plug-in to establish a digital twinborn simulation environment, a vehicle entity is generated through blueprint logic in a simulation scene and runs along a spline path, speed regulation and avoidance are dynamically performed based on the vehicle distance, the passing time of a construction area is recorded and compared with a non-construction standard, and the real road network model is established. Calculating traffic efficiency, collecting vehicle density, speed and path occupancy rate, and generating a thermodynamic diagram to realize traffic state visualization. Therefore, the static, low-efficiency and non-interactive characteristics of traditional construction influence evaluation are broken through, and the scientificity, accuracy and engineering implementability of construction organization optimization and traffic flow pre-judgment are remarkably improved.

The road maintenance pavement repairing device comprises a material storage pipe, the front end of the material storage pipe is detachably connected with a material injection nozzle in a sealed mode, the rear end of the material storage pipe is detachably connected with a connecting sleeve in a sealed mode, and a gear motor is fixedly installed on the outer wall of the connecting sleeve; an output shaft of the speed reduction motor penetrates into the material storage pipe and then is fixedly connected with a square rod, a rotating shaft is arranged in the material storage pipe, spiral blades are fixedly arranged on the peripheral wall of the rotating shaft, and the end, facing the speed reduction motor, of the rotating shaft is arranged on the square rod in a sleeving mode through a square hole; according to the device, through cooperation of a second positioning block and different second positioning grooves, the orientation of a handle can be adjusted relative to a material storage pipe, and the device is matched with two scenes of material supply of a material storage hopper and material supply of a material pumping hose; the auxiliary grip is detachably connected with the ring body through the quick release mechanism, the orientation can be adjusted through the matching of the locking mechanism and different clamping grooves, the use habits of a left-hand user and a right-hand user can be met at the same time, and the operation comfort and stability are improved.

The utility model discloses a road surface cleaning device for highway maintenance, and relates to the technical field of highway maintenance. A dust collection opening is formed in the lower portion of the side wall of the impurity storage box, a dust collector is arranged in the impurity storage box, the input end of the dust collector is communicated with the dust collection opening, a shell is arranged on one side of the impurity storage box, a lifting plate is arranged in the shell in a lifting mode, and a rotating shaft is rotationally connected to the middle of the bottom face of the lifting plate in a penetrating mode. The side wall of the rotating shaft is fixedly connected with a gear, an electric push rod is arranged below the lifting plate, the output shaft end of the electric push rod is fixedly connected with a connecting block, the side wall of the connecting block is fixedly connected with a lengthening plate, one end of the lengthening plate is fixedly connected with a toothed plate, the other end of the lengthening plate is fixedly connected with a frame body, and the top face of the frame body is rotatably connected with a lengthening shaft in a penetrating mode. The bottom end of the lengthened shaft is fixedly connected with a road sweeping disc; the cleaning device is good in cleaning effect, the cleaning surface can be enlarged, and the cleaning efficiency is improved.

The invention discloses a post-evaluation method for a road maintenance project. The post-evaluation method comprises the following steps: S1, establishing a post-evaluation index system of an ordered hierarchical structure related to the road maintenance project; s2, calculating a correlation degree between indexes of each level in the post-evaluation index system; s3, on the basis of the association degree between the indexes of each level, constructing the weight of the index of each level; s4, constructing a fuzzy membership matrix of each level index; and S5, performing fuzzy comprehensive evaluation on the maintenance engineering project according to the weight and the fuzzy membership matrix of each hierarchy index, establishing a post-evaluation index system of three structural hierarchies, and adopting a comprehensive evaluation method based on an association degree-AHP-fuzzy mathematics theory to evaluate the maintenance engineering project. The method has the advantages of clear process, strong operability, subjective and objective combination and practical evaluation results.

The application belongs to the technical field of highway maintenance, and provides a highway greening engineering maintenance method and system based on machine learning, comprising the following steps: S100, acquiring a to-be-maintained greening engineering area map and generating a collection path, and flying a UAV along the collection path to acquire multiple hyperspectral images of the area map; S200, generating a first image according to the acquired multiple hyperspectral images; S300, marking a pest area in the first image and updating the first image into a second image; S400, introducing a decision tree model to train and learn pest image features and environmental parameters by training the second image to the initialized decision tree model obtained by training the second image to the decision tree model, so that key influencing factors can be autonomously extracted, intelligent identification of pest areas and judgment of diffusion trends are realized, and targeted maintenance suggestions are generated according to the training results, the accuracy and reliability of pest detection are improved, and the method is particularly suitable for highway scenes with wide distribution of green belts and rapid environmental changes.

The application discloses a kind of highway maintenance digital twinborn application system construction method and system, it is related to digital twinborn technical field, the steps of this method include: real-time acquisition of the multi-source perception data of highway section, and introduce constraint engine, to highway three-dimensional entity construction, generate several three-dimensional sub-image model;Among them, multi-source perception data includes highway image, highway laser point cloud and component attribute;Based on three-dimensional sub-image model, abstractly constructed to form topological space, adopt interpolation algorithm to generate datum curve, and combine the grid vertex of three-dimensional sub-image model, identify envelope boundary, to execute cross section scanning and generate target rendering road;Based on target rendering road, identify disease area, and based on disease area introduce preset maintenance rule, through semantic mounting mapping back to topological space, form digital twinborn application system;The application improves the efficiency of highway maintenance management, improves the computing power and rendering performance of three-dimensional rendering.

The invention belongs to the technical field of road maintenance equipment, and more particularly relates to a double-machine cooperative asphalt pavement field thermal regeneration centralized power supply system and method. The device is applied to asphalt pavement site thermal regeneration construction and comprises a first combined type heating machine integrated with a main diesel generator and a second combined type heating machine internally provided with an electric interface. The first combined type heating machine and the second combined type heating machine are each provided with a heating system, a hydraulic system and an electrical system. The power supply connecting device comprises a high-voltage cable and a quick plug connector; and the control system integrated on the first combined type heating machine realizes global monitoring and fault self-protection of the dual-machine power supply system through a power switch module, an overload protection module, a voltage monitoring module and a state display panel. Through cooperative operation of double machines, the operation distance can be flexibly adjusted to adapt to construction of different road surfaces; the transition refueling frequency is reduced by 50%, the time is shortened by more than 40%, and the construction efficiency is greatly improved.

The utility model provides an ice crushing device, and relates to the field of highway maintenance. The ice crushing device comprises a box body and an ice crushing mechanism, a collecting mechanism is arranged below the box body, a moving mechanism is further arranged below the box body, the collecting mechanism comprises an ice shovel and a collecting box, and the moving mechanism comprises a rotating shaft and a crawler belt. According to the ice crushing device, the collecting mechanism is arranged, and an ice shovel, a collecting box and a water pump are matched for use, so that the problem that in the patent, crushed ice residues are swept and accumulated to one side of a road surface only through a cleaning wheel brush, so that the ice residues accumulated to one side of the road surface are secondarily iced, and normal use of the road is affected is solved; the beneficial effects that crushed ice residues are collected and treated, and it is avoided that secondary icing of the ice residues affects road use are achieved. According to the ice crushing device, wheels used for moving are replaced by the crawler belts, the problem that the wheels are prone to slipping on the ice surface is solved, and the beneficial effect that the use of the device is prevented from being affected by slipping of the wheels is achieved.

This invention belongs to the field of highway maintenance and mainly relates to a highway crack treatment device. Its features include: a mobile vehicle equipped with a push-pull handle; a cleaning mechanism including a support frame, an air tank, a storage box, a sand-blowing pipe, and a heating component; the support frame is mounted on the top of the mobile vehicle, the air tank and the storage box are mounted on the support frame, the outlet of the storage box is connected to the sand-blowing pipe, and the sand-blowing pipe, the outlet of the air tank, and the inlet of the heating component are connected via a T-junction; a discharge mechanism equipped with a counterweight, the discharge mechanism being connected to the outlet of the heating component and the outlet of the sand-blowing pipe via a discharge pipe; and an air pump connected to the air tank. This application utilizes a T-junction to switch pathways, allowing the same air source to both drive the sand-blowing pipe for sandblasting and provide a high-temperature drying airflow, achieving effective removal of gravel and impurities from the cracks and rapid drying of the crack walls.

The invention relates to the technical field of road maintenance equipment, in particular to a viaduct ice and snow active identification and removal method and equipment based on deep learning, and aims to realize high-precision and low-delay identification of ice at the bottom of a bridge by replacing a standard convolutional layer in a YOLOv8 backbone network with a GSConv module and constructing a lightweight target detection model; by means of the identified and output position coordinates and size information, the infrared heating plate is guided to be accurately aligned with the root of the ice hanging part, heating parameters are dynamically adjusted, and the ice hanging part naturally falls off after being heated; falling ice blocks enter an ice melting box with a heating layer at the bottom through a collecting tank and a conveying pipeline, are instantly melted into water and are discharged through a drainage pipe, and a closed-loop clearing process without ice storage is formed. Manual intervention is not needed, the bridge body is prevented from being damaged by mechanical impact, the overturning risk of equipment caused by ice storage is eliminated, and the safety, efficiency and automation level of deicing operation are remarkably improved.

This utility model provides a traffic safety guidance device for highway maintenance construction, including an indicating mechanism and a support mechanism, which are detachably installed together. The indicating mechanism includes an indicator sign, and two support frames are symmetrically arranged on the bottom back of the indicator sign along its central axis. Each support frame has an n-shaped end, and a fastening key is installed on the n-shaped structure. A support rod mounting hole is provided at the center of the bottom of the indicator sign. In use, by providing a support rod mounting hole at the bottom of the indicator sign, the indicator sign can be connected to the support mechanism through the support hole, allowing it to be installed on the road surface. After disassembling the support mechanism, the indicator sign can be secured to a fence using the support frame and fastened with the fastening key. Alternatively, the indicator sign can be fixed to a flat surface by using screws in conjunction with the support hole. This adaptable method improves the ease of installation according to the construction environment.

The invention relates to the technical field of road construction, and provides a road maintenance crack repairing and flattening device which comprises a base, an inclined tamping assembly is arranged in the middle of the bottom end of the base and comprises a fixing plate fixedly arranged at the bottom end of the base, and a first driving chain wheel and two first rotating shafts are arranged on one side of the fixing plate; first connecting rods are arranged on the outer surfaces of the first rotating shafts, second connecting rods are arranged at the bottom end of the base, a third rotating shaft is arranged at the lower ends of the two first connecting rods, a fourth rotating shaft is arranged at the lower ends of the two second connecting rods, and mounting plates are arranged at one ends of the third rotating shaft and the fourth rotating shaft; arc-shaped plates capable of moving in an opening and closing mode are symmetrically arranged at the lower end of the mounting plate. According to the crack repairing and flattening device for road maintenance, the V-shaped structure capable of being adjusted to be opened and closed is matched with the inclined tamping assembly, multidirectional compaction and rapid surface leveling of a crack repairing material are achieved, and the compactness of a repairing layer and the flatness of a road surface are improved.

The utility model provides a highway maintenance engineering is with foldable fence belongs to highway maintenance equipment technical field. Including the fence body, the fence body one side is provided with hollow rotating drum, the fence body other side is provided with folding subassembly, the hollow rotating drum inside rotatable connection another fence body's folding subassembly, the folding subassembly inside whole penetration, the folding subassembly is used for folding to the fence, the folding subassembly inside rotatable connection has adjusting assembly, adjusting assembly is used for adjusting fence folding angle and bottom pulley, the folding subassembly includes connecting shaft, connecting shaft one end fixed mounting in the fence body side. The utility model is through the close cooperation between folding subassembly and adjusting assembly, has realized the folding function of fence, can adjust folding angle and bottom pulley, has promoted the practicality and flexibility of fence in highway maintenance engineering.

The application relates to the technical field of highway maintenance, in particular to a highway drainage ditch self-leveling mortar and a preparation method thereof. The highway drainage ditch self-leveling mortar is prepared from at least gelatinous material and 20-200 mesh graded aggregate, the mass ratio of the gelatinous material and the graded aggregate is (14-17):(9-12), and a composite reinforcing agent and a functional additive are further added. The application greatly improves the core contradiction that the self-leveling performance and the structural durability cannot be simultaneously considered in the construction of the highway drainage ditch, the prepared mortar has excellent fluidity and thixotropy in the construction, can automatically flow and evenly cover on the inclined ditch wall, effectively avoids defects caused by manual troweling, greatly improves the construction efficiency and the forming quality, and the structure formed after hardening is compact and has a self-reinforcing characteristic.

The invention relates to the field of road maintenance construction monitoring, in particular to a road maintenance construction monitoring system and method based on vehicle-road cooperation. Comprising the following steps: collecting road construction induction information in a road maintenance construction task under a distributed vehicle-road cooperation terminal, processing the road construction induction information, and constructing an induction field index table; analyzing the induction field index table and the road construction induction information, generating semantic nodes and relation edges, and constructing a road induction semantic map; configuring a recording unit for a semantic node of the road induction semantic map, analyzing the recording unit, and generating a road time sequence link of induction information; analyzing the road time sequence link to generate a change label; based on the change label and the road induction semantic map, analyzing semantic nodes, and constructing an induction abnormity linkage chain; and generating a response instruction state table according to the vehicle-road cooperation terminal and the induction abnormity linkage chain. The road traffic safety can be improved.

This utility model discloses a road maintenance grouting structure, belonging to the field of road maintenance. It includes a movable mechanism, with a main body installed at the upper end of the movable mechanism. A discharge mechanism is installed at the upper end of the movable mechanism in front of the main body. The movable mechanism includes a base plate, with rollers fixedly installed at the front end of the base plate. A push handle is fixedly installed on the upper side of the base plate, and an electric push rod is fixedly installed in the middle of the right side of the upper end of the base plate. An adjusting block is fixedly installed in the middle of the upper end of the electric push rod, and a through hole is opened in the middle of the adjusting block. The key technical point is that when grouting materials into the road, a slot is provided at the lower end of the discharge pipe. The slot matches the adjusting block at the upper end of the electric push rod. The electric push rod causes the adjusting block to move up and down inside the discharge pipe. The through hole in the middle of the adjusting block allows adjustment of the discharge volume of the discharge pipe according to the through hole when the adjusting block moves up and down.

The invention relates to the field of road maintenance and traffic safety, and relates to a road maintenance operation area safety management and control system, which comprises a cloud platform, an intelligent road cone, a flash warning device, maintenance personnel wearable equipment, a construction warning sign state detector, a construction area vehicle intrusion alarm instrument and a satellite base station, the server is used for performing real-time communication with an intelligent road cone, a flash warning device, maintenance personnel wearing equipment, a construction warning sign state detector, a construction area vehicle intrusion alarm instrument, a satellite base station and a vehicle navigation terminal through 5G wireless transmission equipment, processing and analyzing various data and issuing safety early warning information; a positioning module, a monitoring module, a warning module, a power module and a control module are arranged in the intelligent road cone, and the intelligent road cone is used for defining a maintenance operation area; and the satellite base station is deployed at a construction site commanding height, provides centimeter-level positioning reference and synchronously corrects coordinates of each device. The problem that the risk of accidents is remarkably increased is solved.

The invention provides an intelligent maintenance decision-making system based on a road maintenance large model, which relates to the technical field of artificial intelligence and comprises an acquisition module, a first data processing module, a second data processing module, a feature extraction module and a prediction module. And constructing a dynamic knowledge graph based on data driving. The technical bottleneck that a causal chain cannot be accurately identified and quantified by an expert annotation knowledge graph is fundamentally solved. According to the method, manual rules depending on subjective experience are abandoned, and the disease-cause associated causal paths with statistical significance are identified from the target data; meanwhile, on the basis of real observation data of disease recurrence intervals before and after intervention, an intervention effect index is objectively calculated in combination with target road section analysis and serves as a weight of an inhibition edge, and one-to-one binding of an intervention strategy and a specific causal path is achieved. The objectivity and accuracy of causal relationship identification are remarkably improved, and misjudgment caused by incomplete coverage or deviation of expert experience is avoided.

The utility model discloses a mountain area highway road shoulder earth accumulation removes device belongs to highway maintenance equipment technical field. Including the car body, the car body side fixedly be provided with two support plate, and the support plate is rotationally connected with the rotating frame on, and the rotating frame verticality is established, and the scraper fixed connection in the rotating frame below can remove the residual soil of the cleaning push plate working surface, and the spray head can be washed to the cleaning push plate working surface and is located on the support, and the spray head is towards horizontal direction, and the rotating frame that can drive the spray head to rotate to vertical downward direction is connected with the support plate through the rotating mechanism. The present application is through setting up the scraper and the lifting plate, can scrape the mud that adheres on the cleaning push plate quickly. Without manual intervention, the continuity and high efficiency of cleaning operation are guaranteed. At the same time, the rotating mechanism can drive the spray head to rotate, not only can reduce dust in the earth accumulation removal process, still can wash the cleaning push plate, one can achieve two effects.

The utility model discloses an adjustable anti-sedimentation well lid for road maintenance, which relates to the technical field of well lids for road maintenance and comprises a base, a positioning block is arranged on the inner side of the base, a frame is arranged above the base, a positioning groove matched with the positioning block is arranged inside the frame, and threaded holes communicated with each other are arranged inside the frame and at the top of the base. Multiple sets of pressing plates are arranged above the threaded holes in the top of the base at one end, adjusting mechanisms are arranged above the pressing plates, the base at the other end and the frame are connected to the threaded holes through short bolts, multiple sets of mounting holes are formed in the positions, located on the side faces of the short bolts, of the top of the frame, damping mechanisms are arranged in the mounting holes, and protective well lids capable of being opened and closed are arranged at the tops of the mounting holes. The utility model is favorable for guaranteeing the driving safety, reducing the road surface damage, reducing the road maintenance cost and improving the working efficiency.

The invention belongs to the technical field of road maintenance, and provides a road maintenance rule self-evolution method and system based on mixed knowledge driving, and the method comprises the steps: constructing an initial digital rule library; dynamically calculating a judgment threshold value of a dynamic precondition in each maintenance rule in the current decision period according to the historical accuracy rate of the performance prediction model associated with each maintenance rule in the digital rule base; dynamically setting an optimization weight of each optimization target in a multi-target optimization model for maintenance decision making in the current decision making period according to historical efficiency data of each type of maintenance rules recorded in the rule efficiency file; matching and calling a corresponding maintenance rule from a digital rule base based on the judgment threshold value and the optimization weight in combination with the real-time road network state data, and generating a maintenance scheme; and comparing actual performance data acquired when the maintenance scheme is executed with a prediction result of the expected effect model, and updating the corresponding maintenance rule in the digital rule base according to a comparison result to realize rule self-evolution.

The application belongs to the technical field of highway maintenance, and discloses a safety fence for highway maintenance, which comprises a base, the upper surface of the base is fixedly provided with a guardrail rod which is internally hollow, a rotating groove is formed through the upper surface of the guardrail rod, a rotating rod is rotatably arranged in the rotating groove, a plurality of warning tapes are arranged on the outer wall of the rotating rod, the plurality of warning tapes all penetrate through the guardrail rod and extend out of the guardrail rod, the ends of the plurality of warning tapes away from the rotating rod are commonly provided with a connecting rod, the two ends of the connecting rod are both provided with clamping blocks, the side walls of the guardrail rod away from the warning tapes are symmetrically provided with two connecting blocks, and the connecting blocks and the clamping blocks are matched with each other. The application has the effect of improving the work efficiency of the staff.

The utility model relates to the technical field of crack pouring equipment, and discloses a crack pouring device for rural highway maintenance, which comprises a cart, a storage barrel is mounted at the top of the cart, a top cover is arranged at the top of the storage barrel, a stirring component is mounted at the bottom of the top cover, a fixing plate is fixedly connected to the side surface of the storage barrel, and a plurality of stirring blades are arranged on the fixing plate. A quick release assembly is mounted in the fixing plate, and an inner container is slidably connected to the interior of the storage barrel; the stirring assembly comprises a first connecting frame, the first connecting frame is rotationally connected to the bottom of the top cover, and a second connecting frame is rotationally connected to the interior of the first connecting frame. According to the utility model, the motor is used for driving the connecting frame I to rotate and is matched with the transmission of the gear I and the gear II to enable the connecting frame II to simultaneously revolve and rotate, so that the stirring rod and the scraper blade are driven to uniformly stir and scrape crack pouring materials, the materials are prevented from precipitating and adhering, the corrosion and damage to the liner are reduced, and the stable and reliable operation of the device is ensured.

The utility model provides a multifunctional concrete material frying machine for road maintenance, which is characterized by comprising a moving structure, a cleaning structure, a stir-frying structure and a material storage structure, the cleaning structure and the stir-frying structure are arranged on the side surface of the moving structure, the moving structure is connected with the cleaning structure and the stir-frying structure in a welding manner, and the material storage structure is connected with the cleaning structure and the stir-frying structure. A cleaning structure is additionally arranged, the cleaning structure is composed of a cleaning box, a draught fan, a connecting rod, a motor A and a sweeping brush, dust can be rapidly blown away in a large area through the draught fan and is more efficient compared with manual sweeping, the sweeping brush can remove residual broken stones in a targeted mode, the cleaning structure and the sweeping brush supplement each other, and therefore the cleaning structure is more efficient and more convenient to use. The road surface cleaning efficiency and quality are improved, good conditions are created for follow-up asphalt concrete laying, the construction progress and quality of asphalt concrete curing engineering can be guaranteed, and the problems of reworking and the like caused by incomplete road surface cleaning are solved.

The application provides a highway pavement maintenance method, and belongs to the technical field of highway maintenance, which comprises the following steps: using a first graphic mark at a damaged position of a highway pavement, digging downward according to the first graphic to form a reinforced foundation pit; using a second graphic to cover the first graphic on the highway pavement, performing surface damage treatment on the highway pavement in the second graphic to form a ring-shaped reinforcing connection layer; arranging a first support and a second support in the reinforced foundation pit; filling base material into the reinforced foundation pit to form a new base layer; installing a ring-shaped reinforcing structure on the reinforcing connection layer, and the center position of the reinforcing structure is recessed downward to form a reinforcing connection part, which enters the reinforced foundation pit and is located above the new base layer. The highway pavement maintenance method provided by the application greatly improves the bearing capacity and strength of the repaired damaged position, and the repaired surface layer is not prone to secondary cracking, thereby ensuring long-term effectiveness of highway maintenance work.

The invention relates to the field of engineering management data processing, and discloses a road maintenance construction management system based on an intelligent construction site, and the system comprises a multi-source data synchronous receiving module which is used for the parallel access of positioning tracks and electronic waybill data flows of an operation machine and a material transporting vehicle; the kinematic handshake judgment module is used for calculating a speed vector difference value of the two vehicles and generating a feeding docking logic locking time window when a preset kinematic coupling threshold value is continuously met; the discrete load topology injection module is used for mapping a waybill discrete load to an actual operation zone polygon generated by a track in a time window; according to the non-contact closed-loop auditing system and method for the hidden engineering quality, kinematic characteristic logic is used for replacing physical sensor connection, non-contact closed-loop auditing of the hidden engineering quality is achieved without hardware transformation, and the problem of supervision blind areas caused by quantity-shape separation is solved.

The utility model discloses an anti-collision wall for road maintenance, which comprises two groups of mounting racks and a concrete balancing weight, and a plurality of groups of limiting plates are arranged in the two groups of mounting racks. Through the arrangement of the mounting frame, the stand columns, the supporting rods, the concrete balancing weights, the base, the rubber honeycomb rollers, the metal fixing bases and the limiting plates, the anti-collision buffering function is achieved, the distribution of the multiple sets of stand columns and the rubber honeycomb rollers is matched with the honeycomb-shaped multi-layer structure in the rubber honeycomb rollers, collision energy is absorbed layer by layer, and the collision buffering effect is achieved. Vehicle impact force is effectively absorbed, the multiple sets of supporting rods are distributed, the stand columns are effectively supported and fixed, the matched installation frame is obliquely distributed, the contact area with the front face of a vehicle head is reduced, damage to the vehicle and a driver is reduced, and the effects of further absorbing impact energy and guiding the direction of the vehicle are achieved; vehicles are prevented from colliding with constructors or rushing out of roads, property loss and casualties are reduced, and therefore safety is improved.