224 results about "Pavement maintenance" patented technology

The invention discloses a pavement maintenance decision-making method, system and equipment, a medium and a product, and relates to the field of highway engineering management. The method comprises the following steps: firstly, collecting performance data of a target road section, and identifying a to-be-optimized pavement maintenance unit through a threshold judgment method or a K-means clustering algorithm; encoding each maintenance measure type and the corresponding maintenance opportunity into a real number vector, and taking the real number vector as a maintenance scheme code; constructing a multi-target fitness function covering pavement performance, maintenance cost and carbon emission; carrying out iterative optimization on the maintenance scheme through a particle swarm optimization algorithm on the basis, and outputting a particle swarm optimization solution set; performing rapid non-dominated sorting and congestion degree distance calculation on the particle swarm optimization solution set, and extracting a Pareto optimal solution set; and fusing the Pareto optimal solution and the full-life-cycle comparison data of the target road section, and outputting a maintenance decision scheme for each pavement maintenance unit, so that the decision efficiency and the scientificity, accuracy, sustainability and refinement degree of the maintenance decision scheme are improved.

The invention discloses a pavement crack identification method and system based on YOLOv8-Seg, and belongs to the technical field of road engineering pavement maintenance. The method comprises the following steps: identifying a pavement crack slice image by using a trained YOLOv8-Seg segmentation model, and generating a mask area of a crack; extracting attribute information of the crack, wherein the attribute information comprises a center point coordinate, a bounding box, a crack area and a mask binary image; performing space-time continuity analysis on a plurality of images continuously acquired in the same road range, and judging whether cracks with similar forms and similar positions exist or not; and if cracks with similar forms and similar positions exist in the images of the at least two different point positions, determining that the cracks are real cracks, and outputting an identification result. According to the method, crack pixel-level segmentation and attribute extraction are realized, cross-image space-time continuity analysis is combined, crack authenticity is judged, the false detection rate is effectively reduced, and the identification accuracy and engineering applicability are improved.

The invention particularly relates to a bituminous pavement crack multi-scale segmentation method based on image recognition, which relates to the technical field of crossing of computer vision and road engineering, and comprises the following steps: extracting multi-scale features from shallow details to deep semantics, balancing feature expression capability and vehicle-mounted real-time processing requirements, and providing a multi-level feature source for feature fusion; a channel and space double-branch attention architecture is constructed, features of each coding stage are dynamically screened, noise is suppressed, and refining features are generated through dynamic residual fusion. In the feature fusion stage, a channel and space double-branch attention architecture is adopted, useful features are dynamically screened, details and semantics are balanced through a dynamic threshold correction mechanism, and segmentation imbalance caused by low-quality input is avoided; in the post-processing stage, background false detection, crack breakpoints and edge sawteeth are eliminated through a three-step progressive process, and multi-index comprehensive evaluation such as intersection-to-union ratio and F1-score is combined to ensure that a segmentation result meets the requirements of pavement maintenance engineering on precision and stability.

The invention discloses a pavement maintenance system and detection method based on an unmanned aerial vehicle, and belongs to the technical field of highway maintenance, and the method comprises the following steps: obtaining a pavement image and three-dimensional point cloud data of a target road section based on a main survey machine; screening a road surface suspicious region set in the target road section based on the road surface image and the three-dimensional point cloud data acquired by the main surveying machine; planning a re-exploration path based on the road surface suspicious region set; the method comprises the following steps: acquiring an optical image, a thermal infrared image and three-dimensional point cloud data of a road surface suspicious region set from a surveying machine; and performing defect verification on the road surface suspicious region set based on the optical image, the thermal infrared image and the three-dimensional point cloud data acquired from the surveying machine. The technical problems that a traditional road surface detection mode is low in detection efficiency, needs to close a lane and hinders traffic are solved, and the technical effect of low-cost, high-precision and rapid road surface detection is achieved.

The invention relates to the technical field of image recognition, in particular to an asphalt pavement crack detection method and system. The method comprises the following steps: collecting a road surface image of a target road section, executing illumination compensation, and generating a to-be-analyzed road surface image; determining the road indication texture of the target road section according to the gray level change condition of the pixel points in the to-be-analyzed road surface image; removing non-pavement texture features in the to-be-analyzed pavement image by using the road indication texture; identifying a linear crack region according to pavement texture features in the to-be-analyzed pavement image, associating lane information, and generating a crack feature set of each lane of the target road section; and identifying crack connectivity between adjacent lanes according to the crack feature set of each lane, and dividing maintenance priorities of cracks of the target road section based on the crack connectivity between the adjacent lanes to obtain a pavement maintenance report of the target road section. According to the invention, the precision and reliability of crack identification are obviously improved, and accurate identification of cracks of a single lane and adjacent lanes can be realized.

The invention provides an expressway digital maintenance management method and system, and belongs to the field of pavement maintenance, and the method comprises the construction of a multi-mode sensing network, and achieves the accurate monitoring of a vehicle impact event and a pavement foreign matter through the pre-burying of a LoRaWAN vibration sensor and a millimeter wave radar array. A road surface point cloud model is generated by using a laser radar and an integrated navigation system, and three-dimensional space-time disease modeling is realized by combining infrared thermal imaging data. And during work order generation, maintenance decision is performed through a semi-Markov decision process, a maintenance strategy is optimized by adopting deep reinforcement learning, and an AR work order is generated for visualization and conflict detection. And meanwhile, a multi-relation graph is constructed to predict a pavement performance attenuation trend, and knowledge migration and generalization of a cross-section maintenance strategy are realized by using federal migration learning, so that the maintenance working efficiency and quality are improved, and digitization and automation of highway maintenance management are realized.

The invention discloses cutting equipment for pavement maintenance, and relates to the field of cutting equipment.The cutting equipment comprises a cutting vehicle, a cutting engine and a cutting power frame are installed on the cutting vehicle, a driving disc is installed on the cutting engine, and two driving rotating frames are rotatably installed on the cutting power frame; a cutting saw is mounted on one driving rotating frame; the device further comprises a hammering obstacle removing device. It needs to be explained that in the cutting process of the cutting vehicle, through continuous lifting of the lifting hammering frame, the two hammering heads hammer and smash obstacles on the road surface, the obstacles are pushed away through the synchronous shoveling plate, it is guaranteed that the cutting saw and the cutting vehicle cannot be blocked by the obstacles, and in addition, if the obstacles cannot be shoveled away, the cutting saw and the cutting vehicle cannot be shoveled away. And when the cutting saw breaks away from the ground, the synchronous shovel plate is stopped from retracting, and then the lifting rotating rod drives the cutting power frame to rotate through the lifting wheel, so that the cutting saw breaks away from the ground, and the problem that the cutting saw makes contact with an obstacle to cause accidents is solved.

The invention discloses an urban and rural pavement maintenance monitoring system based on intelligent well lid data linkage, and the system comprises a data collection module which detects the acceleration data, angular motion data and inclination angle change data of a well lid in real time through a three-axis acceleration sensor, a gyroscope and an inclination angle sensor which are disposed on the well lid; the edge calculation module is used for calculating a vibration value of the well lid according to the acceleration data, the angular motion data and the inclination angle change data of the well lid and correcting the vibration value; the cloud data center obtains a risk index of a road surface where the well lid is located through a pre-constructed association model according to the corrected vibration value and the position of the well lid corresponding to the vibration value; and the maintenance decision terminal module performs maintenance decision on the road surface where the well lid is located according to the risk index of the road surface where the well lid is located. According to the invention, the well lid on the road surface is taken as the basis of data acquisition, and the maintenance condition of urban and rural road surfaces is detected in real time by acquiring the data on the well lid, so that the maintenance condition can be accurately obtained in real time.

The utility model relates to the technical field of pavement base course maintenance, and discloses a pavement maintenance device which comprises a water storage tank, a water spraying assembly arranged on one side of the water storage tank, a connecting seat arranged in the middle of the water spraying assembly, and an auxiliary assembly arranged on the connecting seat, wherein a telescopic plate is arranged on the auxiliary assembly, and the telescopic plate is used for adjusting the length of the auxiliary assembly; the water spraying assembly is used for spraying water in the water storage tank to the ground to maintain the ground; the auxiliary assembly is used for driving the water storage tank to move. By means of the water storage tank grip, the problem that the length of the water storage tank grip cannot be adjusted can be solved, free adjustment of the length of the water storage tank grip is achieved, the operation comfort and efficiency are improved, and the use requirements of different workers are met.

The application discloses a ground penetrating radar time-frequency feature selection method and system based on crack morphology similarity, and belongs to the technical field of road engineering pavement maintenance. The application carries out time-frequency feature analysis on the extracted electromagnetic signal; calculates the change rate of the crack and the intact part, and maps the calculated change rate of each data in the crack marking frame to the crack identification marking frame; further calculates the maximum curvature of the change rate curve, and forms a marking point; analyzes the morphology similarity of the marking point and the crack, obtains a feature comprehensive score, and determines the feature importance. The application carries out feature screening based on the similarity between the crack morphology identified by the feature and the actual crack morphology, can directly show the sensitivity of different features to the crack, screens the most sensitive features to the crack, and can greatly reduce the number of features.

The utility model relates to the technical field of maintenance equipment, and discloses municipal road pavement maintenance equipment which comprises a shell, a plurality of wheels are rotatably connected to the bottom of the shell, a plurality of mounting columns are fixedly connected to the right side of the bottom of the shell, and a plurality of mounting cylinders are fixedly connected to the bottoms of the mounting columns. The outer walls of the multiple mounting columns are rotationally connected with multiple second short columns, the right sides of the multiple second short columns are fixedly connected with multiple connecting plates, and the right sides of the multiple connecting plates are fixedly connected with multiple fixing plates. According to the maintenance equipment, a second short column is rotated, a connecting plate drives a fixing plate to rotate, a connecting block and brush heads rotate together, the brush heads move front and back, then a first short column starts to be rotated, a second rotating plate and a third rotating plate are driven to rotate, the brush heads stretch out and draw back, and the cleaning range can be freely adjusted when the maintenance equipment cleans a road; the practicability is enhanced.

The invention relates to a pavement maintenance intelligent decision-making method and system based on deep learning and GIS, and belongs to the field of artificial intelligence traffic science. The method comprises the following steps: collecting road surface images and road geographic data, constructing a GIS image data set GISVision after manual labeling, preprocessing the GIS image data set GISVision, and dividing a training set, a verification set and a test set; inputting road image data into an image feature extractor, inputting road geographic data into a GIS feature encoder, and respectively obtaining image features and GIS encoding features; the two images are processed by a geographic alignment image encoder to obtain joint features, the image features and the joint features are added and then input into a disease form modeling device to obtain disease modeling features, and then the disease modeling features are respectively input into a road risk grade scoring device and a maintenance visualization generator to obtain predicted risk grades and maintenance visualization images; and constructing total loss function training, iterating parameters by using an Adam optimizer, finally inputting to-be-predicted data into the trained model, and combining the maintenance prediction condition of the GIS pavement maintenance scientific decision system. According to the invention, the accuracy of road disease identification can be improved, and scientific early warning and decision making are realized.

The utility model discloses an expressway pavement maintenance water spraying device which comprises a vehicle body, a water storage tank, a water pump and a mounting plate are arranged at the top of the vehicle body, a water inlet pipe is arranged on one side of the water storage tank, an adjusting pipe is arranged on one side of the mounting plate, a water collecting mechanism and a threaded rod are arranged at the top of the water storage tank, and a nut is arranged on the threaded rod. A connecting port is formed in the top of the water storage tank, a sealing ring is arranged in the connecting port, a rotating rod is arranged on one side of the adjusting pipe, a stepping motor is arranged on the mounting plate, and a water collecting plate is arranged on the adjusting pipe. Through the arrangement of the water collecting mechanism, the threaded rod, the nut, the connector, the sealing ring, the adjusting pipe, the rotating rod, the stepping motor, the water collecting plate and the water spraying holes, rainwater can be recycled through the structure, water is supplied to the device through a rainwater filtering water source, resource waste is reduced, and the environmental protection property of the device is improved; and the structure enables the water spraying inclination angle of the device to be automatically adjusted, so that the water spraying coverage of the device is more uniform.

The invention provides a road performance prediction and maintenance scheme decision optimization method based on implicit diseases, and relates to the technical field of pavement maintenance decision optimization, and the method comprises the steps: collecting surface disease data parameters and implicit disease data parameters of each maintenance unit; calculating a current pavement PCI value of each maintenance unit; classifying implicit diseases according to types, top end depth positions and bottom end depth positions by applying a decision tree algorithm; constructing a road surface PCI prediction model of natural decay and different treatment depths based on a classification result; calculating PCI predicted values of the maintenance units in different treatment modes and PCI amplification benefits and budget costs corresponding to different treatment depths of the maintenance units by using the pavement PCI prediction model; a pavement maintenance technical scheme decision optimization model is constructed by combining a DE algorithm with a multi-objective optimization algorithm of an NSGA-II algorithm, pavement maintenance technical scheme decision optimization calculation is carried out with maintenance benefit maximization and maintenance cost minimization as double objectives, and an optimal scheme is output according to a TOPSIS method.

The utility model belongs to the technical field of road pavement maintenance, and particularly relates to road pavement maintenance equipment which comprises a bottom plate, a stirring box used for loading concrete repairing materials is arranged at the top of the bottom plate, and the stirring box is integrally manufactured by a containing barrel, a conical hopper and a discharging pipe from top to bottom. A feeding opening in the bottom of the stirring box extends to the position below the bottom plate, a bearing is rotationally installed in the center of the top of the stirring box, a stirring shaft extending into the stirring box is inserted into the bearing, a limiting sliding groove is formed in the inner surface of the bearing, and a limiting protrusion in sliding connection with the limiting sliding groove is fixed to the outer wall of the stirring shaft; a conical sealing cover is rotationally mounted at the bottom end of the bearing; according to the utility model, when the equipment moves, the concrete repairing material in the stirring box can be stirred through the movement of the equipment, so that the concrete repairing material in the stirring box is prevented from being solidified in the moving process, the energy consumption of equipment operation is also reduced, and the equipment is relatively energy-saving and environment-friendly.

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.

This invention discloses a semi-rigid base pavement maintenance structure, relating to the field of pavement maintenance technology. It includes a pavement asphalt concrete layer, a bridge deck asphalt concrete layer, and a cast-in-place subgrade located beneath both layers. The cast-in-place subgrade has an embedded frame inside. Speed ​​reduction pads are provided at the connection points of the pavement and bridge deck asphalt concrete layers. The structure also includes: a lever mechanism installed inside the embedded frame; and a first elastic support mechanism connected to the speed reduction pads. The semi-rigid base pavement maintenance structure provided by this invention can repair cracks from within the road surface and has a strong interconnected technical effect.

The invention provides a concrete terrace maintenance system, comprising: a sensing unit comprising a plurality of sensing subunits, each sensing subunit being arranged in a partitioned manner to monitor a maintenance judgment parameter of a concrete terrace in each partition; the curing environment parameters comprise the humidity, the wind speed, the temperature, the environment humidity and the environment temperature of the surface of the concrete terrace; the spraying array comprises a plurality of sprayers and is suitable for spraying water to the concrete terrace in each subarea so as to maintain the humidity of the concrete terrace within a preset range; the controller is suitable for receiving the maintenance judgment parameters of all the subareas and controlling the spraying array to spray water to the subareas under the condition that the humidity of the concrete terrace in the subareas is smaller than a maintenance humidity threshold value or the predicted evaporation rate of the concrete terrace in the subareas is larger than the preset evaporation rate; wherein the predicted evaporation rate is calculated based on the wind speed, the temperature, the environment humidity and the environment temperature of the surface of the concrete terrace.

The invention discloses a pure electric pavement maintenance truck, and belongs to the technical field of pavement maintenance, the pure electric pavement maintenance truck comprises a maintenance truck body, a snow melting box is fixedly arranged at the tail of the maintenance truck body, the top of the snow melting box is designed to be open, and the bottom of the snow melting box is communicated with a plurality of material distribution pipes; an upper cross beam is fixedly arranged at the tail part of the maintenance truck body, the plurality of material distribution pipes respectively penetrate through the upper cross beam and are respectively connected with hoses, a lower cross beam is further fixedly arranged at the tail part of the maintenance truck body, and a plurality of snow melting devices are mounted on the lower cross beam; the snow melting device comprises a mounting block, a mounting handle, a transverse block, a snow guiding plate, a knocking block and two wind shields, and the mounting block is mounted on the lower cross beam. The snow melting device and a matched mechanism are arranged at the tail of the maintenance truck body, so that a snow melting agent is sprayed more stably and is not prone to being blown away by wind, the snow melting efficiency of the snow melting agent is improved, and then the efficiency of cleaning accumulated snow on the road surface is improved.

The utility model relates to the technical field of building construction equipment, and discloses an emulsified asphalt atomizing and spraying mechanism for asphalt pavement maintenance, which comprises a moving frame, a storage tank is fixedly connected to the upper surface of the moving frame, a connecting pipe is fixedly connected to the lower surface of the storage tank, and a water pump is fixedly connected to the upper surface of the storage tank. The input end of the water pump is fixedly connected with one side of the outer wall of the connecting pipe, the output end of the water pump is fixedly connected with an output pipe, the lower surface of the output pipe is fixedly connected with an atomizing nozzle, a connecting box is fixedly connected in the connecting pipe, and a filter plate is arranged in the connecting box; the filter plate is used for filtering impurity particles in the emulsified asphalt. According to the utility model, the filtering efficiency of the filtering plate is ensured, and the blocking problem caused by impurity accumulation is effectively reduced, so that the continuity and the stability of the emulsified asphalt atomization spraying operation are maintained, the emulsified asphalt is fully utilized, and the construction cost is reduced.

This invention discloses an asphalt heating device and method for asphalt pavement maintenance vehicles. The asphalt heating device includes a microwave generator, a rotating reflector, and a hot air duct. The rotating reflector is located at the outlet of the hot air duct. The microwave generator and the rotating reflector are connected through a heater housing. The rotating reflector is tilted, and the microwaves generated by the microwave generator are reflected by the rotating reflector and coupled with the hot air to heat the asphalt pavement. This invention can maximize thermal efficiency. Through this dual heat source and rotating electromagnetic field design, not only can the speed and depth of asphalt heating be improved, but thermal efficiency can also be maximized, energy consumption can be reduced, and environmental impact can be minimized. Microwave heating can quickly and evenly penetrate heat into the asphalt, while hot air heating can maintain the surface temperature of the asphalt and prevent excessive internal and external temperature differences caused by rapid surface cooling, thereby ensuring the uniformity of asphalt heating.

The utility model provides a pavement maintenance device for urban traffic engineering, which belongs to the field of pavement maintenance and comprises a movable bottom plate, a suction mechanism is arranged at the top of the movable bottom plate, a sweeping component is arranged on one side of the movable bottom plate, and a spraying component is arranged at the top of the movable bottom plate. According to the road kerb included angle cleaning device, the suction mechanism is arranged, so that the effect of extracting and cleaning dust and garbage at the road kerb included angle is achieved; the movable bottom plate is pushed to a road needing to be swept; an exhaust fan is started, and garbage and dust on the road surface can be sucked into a collecting box through cooperative use of an exhaust pipe and a dust suction pipe; through the arrangement of the cross-shaped pipe, the bottom and the two sides of the movable bottom plate can be extracted and cleaned at the same time, and the cleaning efficiency is greatly improved; the garbage sucked into the collecting box can be blocked by the partition plate after being continuously sucked by the suction pipe, and dust can finally enter the dust storage box through the leakage holes, so that subsequent cleaning is facilitated.

The utility model discloses sidewalk pavement brick leveling equipment, which belongs to the technical field of pavement maintenance equipment and structurally comprises a U-shaped frame and a brick picking module, the brick picking module is rotatably mounted at the bottom of the U-shaped frame through a shaft lever, a handle is arranged at the upper end of the U-shaped frame, and the brick picking module is mounted at the lower end of the U-shaped frame. A brick face abutting table and a leveling nail plate are arranged on the two sides of the brick picking module correspondingly. A plurality of shovel-shaped clamping arms are installed on the side portion of the brick face abutting table in a sliding mode, the number of the shovel-shaped clamping arms is consistent with the number of the side edges of the brick body, and the shovel-shaped clamping arms can act on the peripheral side of the brick body at the same time; the sidewalk pavement brick leveling device can be matched with the size of bricks, the leveling efficiency of sidewalk pavement bricks is improved, the operation convenience is good, and damage to the integrity of the bricks is avoided.

The utility model discloses a kind of highway pavement crack caulking tape machines, it is related to pavement maintenance technical field, main purpose is to improve the efficiency of highway caulking. The main technical scheme of the utility model is as follows: highway pavement crack caulking tape machine, it includes: frame body and driving part;The upper end of the frame body is fixedly connected to handle;The driving part includes winding belt wheel, compacting wheel and collection wheel, the winding belt wheel is rotatably connected to the middle part of the frame body, the compacting wheel is rotatably connected to the lower end of the frame body, the lower edge of the compacting wheel is lower than the lower end of the frame body, the collection wheel is rotatably arranged above the compacting wheel, for making caulking tape pass through the gap between the collection wheel and the compacting wheel, and sweep the lower edge of the compacting wheel, extend backward.

A connecting device for a special vehicle and maintenance equipment is characterized in that a bottom frame is connected with a longitudinal mounting frame through a first transverse moving mechanism, the longitudinal mounting frame is connected with a lifting mounting plate through a lifting mechanism, and the lifting mounting plate is connected with a rotary connecting seat through a second transverse moving mechanism; the power input end of the rotary connecting seat is connected with the rotary motor, the power output end is connected with the rotary frame, and a connecting flange plate is arranged on the rotary frame; the moving direction of the second transverse moving mechanism is perpendicular to the moving direction of the first transverse moving mechanism. According to the utility model, the maintenance equipment can move back and forth, left and right and up and down through electrical control, compared with the prior art which depends on feeling control of operators, the maintenance equipment has the advantages of small error and high precision, realizes precise maintenance and repair, and improves the pavement maintenance quality.

The utility model belongs to the technical field of asphalt pavement maintenance equipment, and particularly discloses an asphalt crack filler which comprises a tractor, a rotary table is rotatably mounted on the upper surface of a tractor body of the tractor, a storage box used for mixing filling raw materials is mounted on the rotary table, one side of the storage box is communicated with a discharging pipe, and the other side of the storage box is communicated with a motor. A height adjusting mechanism is installed on the supporting plate, a heat preservation cylinder is installed on the height adjusting mechanism, the lower end of the heat preservation cylinder is communicated with a filling head, and the lower end of the filling head is arranged in a conical shape. And the position of the filling head is adjusted through the height adjusting mechanism, so that the filling head can be inserted into the crack, the filling raw material overflows from the inner side of the crack to the outside, the probability that holes appear in the crack is reduced, and the maintenance efficiency of the asphalt pavement is improved.

The present application relates to the technical field of asphalt, in particular to a high-viscosity ultra-thin overlay asphalt for road maintenance and a construction method thereof, the asphalt comprises the following raw materials in parts by weight: 55-60 parts of base asphalt, 8-11 parts of terpene resin, 7-10 parts of SBS elastomer, 4-7 parts of silicate cement, 5-8 parts of modified fiber agent, 4-7 parts of functional agent, 2-4 parts of silane agent, and 2-4 parts of aggregate; the ultra-thin overlay asphalt of the present application adopts base asphalt, terpene resin, SBS elastomer, silicate cement and aggregate, and is mixed with modified fiber agent and functional agent; through the coordination and mutual assistance of the raw materials, the crack resistance, bonding strength and compressive strength of the obtained ultra-thin overlay asphalt are improved in coordination, and the weather resistance and stability of the product are significantly improved.

The utility model discloses a pavement maintenance vehicle which comprises a water storage vehicle, two sets of moving wheels are installed on the bottom face of the water storage vehicle, a storage battery box is fixedly connected to the upper surface of the water storage vehicle, an infusion pump is fixedly connected to the inner wall of the water storage vehicle, and a T-shaped spray pipe is fixedly connected to the bottom face of the water storage vehicle. The left end and the right end of the T-shaped spraying pipe fixedly communicate with water spraying pipes, the bottom face of the T-shaped spraying pipe and the bottom faces of the water spraying pipes fixedly communicate with a set of spraying heads, and the input end of the T-shaped spraying pipe penetrates through the water storage vehicle and fixedly communicates with the output end of the liquid extraction pump. Through the arrangement of the push handle, the movable wheel cake, the infusion pump, the T-shaped spray pipe, the sprinkler pipe and the sprinkler head, the water storage vehicle can be conveniently pushed, the infusion pump works to pump sprayed water, the sprayed water is evenly sprayed out through the T-shaped spray pipe, the sprinkler pipe and the sprinkler head, water sprinkling maintenance of a road surface is achieved, and the maintenance vehicle is simple in structure, convenient to operate and high in practicability. And maintenance operation on a narrow road surface is facilitated.

The invention relates to the technical field of road engineering, and discloses a precise calculation method and system for the amount of emulsified asphalt used in pavement maintenance engineering.The precise calculation method for the amount of emulsified asphalt used in pavement maintenance engineering comprises the steps that pavement three-dimensional color point cloud data are collected and preprocessed; identifying the type and position of the pavement disease; inverting the pore characteristics of the pavement material; calculating the penetration depth of the emulsified asphalt and determining the penetration depth of a sub-region in combination with the disease identification result data set; predicting the amount of emulsified asphalt; construction process parameters are optimized; a construction operation instruction book is generated and electronized; the construction quality is monitored in real time, deviation analysis is conducted, and parameter adjustment is conducted based on a deviation analysis result; according to the invention, by introducing transfer learning and incremental learning technologies, the disease identification model can quickly adapt to disease characteristics in different regions and under different conditions.