176results about How to "Guaranteed coverage" patented technology

The invention relates to the technical field of software application testing, in particular to an automatic intelligent testing system and method for software application. The method comprises the following steps: acquiring test environment parameters of software to be tested, calculating a dynamic waiting time reference value, and generating waiting mechanism configuration data; performing element positioning information collection and element positioning strategy generation on a user interface of the software application based on the waiting mechanism configuration data to obtain element positioning configuration data; performing conditional waiting strategy processing according to the element positioning configuration data and the waiting mechanism configuration data to generate conditional waiting mapping data; and performing visual AI auxiliary positioning processing according to the conditional waiting mapping data to generate visual positioning feature data. Through real-time monitoring of test environment parameters, the system automatically calculates and configures appropriate waiting time, so that the test process can flexibly adapt to various operation environments.

The invention is suitable for the technical field of public rental housing management, and provides a public rental housing inspection management system, which comprises a hardware equipment layer used for collecting environment data, equipment state data and inspection data of a public rental housing, and the hardware equipment layer comprises a plurality of sensor equipment, a wireless communication module and mobile inspection equipment; the data processing layer is used for receiving, storing and processing data collected by the hardware equipment layer, and the data processing layer comprises a data receiving module, a data processing module, a data storage module, a data analysis module and an early warning module; and the application service layer is used for providing user interaction and system management services according to the data acquired by the hardware equipment layer and the data processed by the data processing layer, and the application service layer comprises a housing resource management module, an inspection task distribution module, an inspection management module, an early warning management module, a contract management module and a housing maintenance management module. The problem of low inspection efficiency in the prior art is solved.

The invention provides an intelligent question-answering system for enteric microorganisms based on a knowledge graph and a large model, and intelligent question-answering in the field of enteric microorganisms is realized based on a Graph RAG technology by calling an available LLM through a constructed Keying enteric microorganism knowledge base. In the intelligent question-answering system for intestinal microorganisms, the knowledge richness of question-answering is remarkably improved. By combining the knowledge graph and the large language model (LLM), the system not only can provide direct knowledge points, but also can supplement context and background information and multi-level scientific interpretation, so that the answer content is richer and more comprehensive.

The invention discloses an agile satellite multi-satellite collaborative observation-data transmission combined planning method, which comprises the following steps: carrying out discrete sampling on a target area, calculating the visibility of each satellite to a sampling point, and obtaining the coverage characteristic of each satellite to the area based on the visibility of the sampling point; based on satellite coverage characteristics, a K-Means clustering algorithm is used to segment the target area into a plurality of sub-areas and distribute the sub-areas to corresponding satellites; boundary adaptive stripe division is carried out on the distributed sub-regions, and the number of stripes is calculated; constructing an observation-data transmission joint planning problem model, solving based on an elite genetic algorithm to obtain a planning result, integrating all satellites, and outputting an optimal scheduling scheme; according to the method, the problem that regional target observation-data transmission combined planning is difficult to solve under multi-satellite cooperation of agile satellites is solved, the coverage of the satellites on the distribution region is ensured, the overlapping rate of observation strips of different satellites is reduced, the overall observation benefit under multi-satellite cooperation can be improved, and the method can be effectively applied to a remote sensing satellite management and control technology.

The invention discloses an ultrahigh-voltage submarine cable flexible joint insulation recovery method, which comprises the following steps: S1, placement: placing a cable to be processed in a working environment; s2, checking to ensure that the surface of the to-be-processed cable is smooth and clean; s3, mold filling: putting the cable to be processed into an injection mold, installing a cold contraction pipe, and adjusting the position; s4, the cable to be processed in the mold is heated and kept; s5, starting an external plastic extruding machine; s6, the pressure of the mold is kept, discharging is stopped, and the extruder is removed; s7, the injection mold is heated and kept, and cooling is conducted in stages; s8, the injection mold and the cooling pipe are dismantled; according to the recovery method, the steps are simple, only one-time mold installation and extrusion process is needed, the workpiece does not need to be vulcanized after heating is stopped and cooling is completed, and the recovery method can effectively save the preparation process, shorten the process time, improve the production efficiency and be beneficial to guaranteeing the on-time delivery rate of a factory.

The invention discloses an irrigation device for root fertilization for tobacco planting and an irrigation method, and relates to the technical field of tobacco planting.The irrigation device comprises a walking device and a spray irrigation mechanism, the spray irrigation mechanism comprises two connectors and a spray pipe, and the two connectors are movably arranged at the top ends of the left side wall and the right side wall of a compartment respectively; a plurality of spraying pipes are uniformly and fixedly installed on each connector through bolts, each spraying pipe is of an arc-shaped structure, the unfolding driving mechanism comprises a driving plate, the driving plate is movably installed in the middle of the top end of the compartment in a sliding mode, and the driving plate is connected with the spraying pipes through bolts. And one end close to the spraying pipe is movably inserted into the front end of the carriage. According to the device, the sprinkling irrigation mechanism is designed and installed, tobacco leaves which are stopped from moving forwards are ejected open through the arc-shaped spraying pipe, the tobacco leaves are prevented from being damaged when the device moves forwards, water is sprayed through the spraying pipe, and therefore the device can conduct sprinkling irrigation on the roots of tobaccos in the moving process.

The invention discloses a database adaptation method and system based on object relation mapping, and the method and system achieve the purpose that a unified external function is compatible with different database types in a mode of achieving a callback function. Meanwhile, a plurality of databases can be registered for use at the same time in a registration mode, differences between various database environments and grammar are ignored, and the purpose of unification in use is achieved. In addition, according to the method and the device, the capabilities of link tracking and log interface unification are also included, and the database logs and call chains which are originally disordered and different are unified into a set of logic, so that the cost for adapting to different databases is reduced.

The invention provides an electricity-energy-carbon-pollution-oriented multi-source data treatment method, system and equipment, and is applied to the technical field of data treatment. The method comprises the following steps: collecting multi-source time sequence data of different hierarchical objects; performing multi-dimensional data characteristic analysis on the multi-source time series data to obtain abnormal characteristics, missing characteristics and time-space characteristics of the multi-source time series data; performing data cleaning on the multi-source time sequence data based on the abnormal characteristics, the missing characteristics and the time-space characteristics of the multi-source time sequence data to obtain cleaned multi-source data; respectively extracting object features, business features and time features of the cleaned multi-source data, and adding a multi-level label to the cleaned multi-source data; and constructing a corresponding multi-level directory structure based on the multi-level tag, and storing the cleaned multi-source data based on the multi-level directory structure. According to the invention, the problem of low monitoring data accuracy caused by insufficient data coverage of pollution supervision data and lack of multi-source data verification is solved.

The utility model discloses a charger and a charging system in the technical field of medical instruments, the charger is used for charging an implantable device, the implantable device is used for being implanted into the skull of a user, the implantable device comprises a receiving coil, the charger comprises a transmitting coil, the transmitting coil is used for being coupled with the receiving coil, and the receiving coil is used for receiving the transmitting coil. At least part of the transmitting coil is in an arc shape, and the arc shape is at least matched with the skull of the user. By adopting the transmitting coil adaptive to the radian of the human skull, the radian of the human skull and the shape of the nerve stimulator can be better matched, so that the distances from the surface of the receiving coil to the surface of the transmitting coil are equal everywhere in the receiving area, and the magnetic flux variation in the receiving area is improved; the coupling coefficient between the transmitting coil and the receiving coil is improved, and the induction voltage and current of the receiving coil are improved, so that the charging efficiency is improved.

A landfill and leachate distribution range detection method based on multiple physical property parameters relates to the field of environmental protection, and comprises the following steps: acquiring a target area selected by a user, and detecting the target area by adopting a multi-frequency electromagnetic method to obtain surface area detection data; determining a preliminary distribution range of landfill and leachate according to the surface area detection data; according to the initial distribution range and the surface area detection data, determining a wiring area of refined detection; detecting electrical structure parameters of different depths in the wiring area by adopting an electrical sounding method, and generating line area detection data; determining a plurality of detection point locations according to the wiring area and the line area detection data; detecting speed construction parameters of different depths in the detection point by adopting a micro-motion method, and generating point area detection data; and inputting the surface area detection data, the line area detection data and the point area detection data into a joint inversion formula to obtain a distribution range result. By implementing the application, the landfill and the percolate in the designated area can be accurately detected.

The invention relates to a version comparison method and system for a freight rate search system, equipment and a medium, and the comparison method comprises the steps: generating test requests which reflect the use preference demands of different user groups and preset scene test demands, and adjusting the distribution proportion of the test requests based on the distribution of historical data; according to the method, the distribution proportion of the test requests conforms to the actual situation, the coverage range of the test requests is ensured, then response data of the test requests in the new-version freight rate search system and the old-version freight rate search system are compared to obtain a version comparison result of the new-version system and the old-version system, and therefore the operation situation between the new-version system and the old-version system is determined. The system can be conveniently and timely optimized and adjusted by a worker, the safety and stability of the system are guaranteed, and the user experience is also improved.

The invention provides a UWB-based adaptive communication method. The UWB-based adaptive communication method comprises the steps of monitoring a distance between a target tag and a base station; under the condition that the distance is smaller than a first distance threshold value, adopting a first communication rate to communicate with the target label; under the condition that the distance is greater than a second distance threshold value, communicating with the target label at a second communication rate; wherein the first distance threshold value is smaller than or equal to the second distance threshold value, the first communication rate is larger than the second communication rate, and the base station and the label communicate according to the composite frame structure. According to the technical scheme of the invention, the communication rate is adaptively adjusted through the distance of the label, the reliability and effectiveness of the system can be considered, the structure of the transmission subframe can be configured according to the actual demand and the change of the system capacity, and the flexibility and the adaptive capability of the system are improved.

The present invention discloses an irrigation device and an irrigation method for root fertilization for tobacco planting, which relates to the technical field of tobacco planting, and includes a walking device, a sprinkler mechanism, the sprinkler mechanism includes a connector and a spray pipe, the connectors have two in total and are respectively movably arranged at the top of the left and right side walls of a carriage, the spray pipes have a total of several in total on each connector and are evenly fixed on the connectors by bolts, the spray pipes are in an arc-shaped structure, and an unfolding drive mechanism includes a drive plate, the drive plate is movably installed in the middle of the top of the carriage through sliding, and one end close to the spray pipe is movably installed inside the front end of the carriage through insertion. The present invention is designed to install a sprinkler mechanism, and the tobacco leaves that block the forward movement are pushed open by the arc-shaped spray pipe, and the tobacco leaves are prevented from being damaged by the device when moving forward, and water is sprayed by the spray pipe, so that the device can irrigate the roots of the tobacco during the process of moving.

The invention relates to a gantry relieving machine and belongs to the technical field of cooling fin machining, the gantry relieving machine comprises a gantry and a fixing plate arranged on the gantry in a sliding mode, a tool apron base plate and a relieving knife are installed on the fixing plate, a liquid storage cavity is formed in the tool apron base plate, and a liquid inlet pipe communicated with the liquid storage cavity is arranged on the tool apron base plate in a penetrating mode; a plurality of fixed nozzles are arranged on the side, close to the scraper knife, of the knife holder base plate, an adjusting hole is formed in the side, close to the scraper knife, of the liquid storage cavity, a blocking plate used for sealing the adjusting hole is arranged in the liquid storage cavity in a sliding mode, the sliding direction of the blocking plate is parallel to the arrangement direction of the fixed nozzles, and a movable nozzle is arranged on the blocking plate. The tool apron base plate is provided with an adjusting piece used for adjusting the plugging plate to drive the movable spray head to slide. The cooling and lubricating device has the advantages that under the conditions of different shapes, sizes or cutting of the base plates, the coverage range of the cutting fluid can be guaranteed, and the cooling and lubricating effect is improved to a certain extent.

The present application relates to the technical field of molecular biology, and discloses a goat whole genome 50K breeding chip and application thereof. The present application is based on whole genome resequencing data of goat populations (more than 500) covering domestic local, breeding and foreign introduced breeds, and filters functional marker information significantly related to 14 economic traits of goats, such as growth and development, slaughter, reproduction, wool production and milk production, through whole genome association analysis and selection signal analysis. The probe combination contains 50,000 SNP sites. The goat whole genome 50K breeding chip has the characteristics of strong cross-breed universality, high detection accuracy and comprehensive functional information, and can be widely applied to goat genetic diversity analysis, whole genome association analysis, whole genome selection breeding and other aspects, and can significantly shorten the breeding cycle and reduce the typing cost.

The invention relates to a community health service center site selection method and system in an urban high-density environment, and the method comprises the steps: obtaining the data of a target region in the urban high-density environment, and forming a first sample data set; arranging the first sample data set to obtain a second sample data set; obtaining community health service center site selection related indexes according to the second sample data set, and further obtaining a third sample data set; sampling the third sample data set to obtain a fourth sample data set, and obtaining a community health service center site selection model through parameter tuning and feature combination preferential selection; and inputting the characteristic value data set of the third sample data set into the model to obtain alternative points, and determining a service center site selection point set capable of covering the most demand points by using a maximum coverage model. According to the method, the site selection accuracy and the service coverage rate of the health service center can be effectively improved.

The invention provides electronic equipment, which comprises a radio frequency system, and the radio frequency system comprises a radio frequency transceiver module, a front-end module, a power division module and at least one radiator. The front-end module comprises a first front-end transmitting module and a second front-end transmitting module, one end of the first front-end transmitting module is electrically connected with the radio frequency transceiving module, and the first front-end transmitting module is used for transmitting a radio frequency signal supporting a first frequency band; one end of the second front-end transmitting module is electrically connected with the radio frequency transceiving module, and the second front-end transmitting module is used for transmitting a radio frequency signal supporting a first frequency band; the first end of the power dividing module is electrically connected with the first input end of the first front-end transmitting module, and the second end of the power dividing module is electrically connected with the second input end of the second front-end transmitting module; and the radiator is electrically connected with the output end of the power division module and is used for receiving radio frequency signals from the first front-end transmitting module and the second front-end transmitting module through the power division module so as to ensure the coverage range of the antenna.

The invention relates to the technical field of machining milling machines, and discloses a milling machine with a lifting table and a using method thereof.The milling machine comprises a working device, the working device comprises a working table, a portal frame is fixedly connected to the upper surface of the working table, a lifting rail groove is formed in the portal frame, and a lifting sliding block is slidably connected into the lifting rail groove; a working plate is fixedly connected between the lifting sliding blocks, milling machine machining equipment is fixedly connected to the bottom of the working plate, an oil outlet assembly is arranged on the side wall of the lifting rail groove and comprises a T-shaped installation groove formed in the portal frame, a T-shaped oil outlet block is installed in the T-shaped installation groove, and the interior of the T-shaped oil outlet block communicates with an oil bin. According to the scheme, in the up-and-down lifting process of machining equipment, lubrication is intermittently smeared to the inner wall of the rail so that it can be guaranteed that the rail slides fast and stably, and the problem that when the sliding block slides in the sliding groove, the blocking or clamping stagnation phenomenon is likely to be formed on the contact interface of the sliding block and the sliding groove is solved.

The invention discloses a model display device for automobile design, and particularly relates to the technical field of model display devices.The model display device comprises a base, trundles with brakes are installed at the four corners of the lower end of the base, a display cabinet is fixedly connected to the upper end of the base, and a plurality of partition plates arranged in an array are fixedly installed on the inner surface of the display cabinet; the upper ends of the multiple partition plates are each provided with a plurality of horizontally-arranged positioning assemblies. According to the model display device for automobile design, by arranging the positioning assembly, a user can adjust the distance between the two clamping assemblies by manually rotating a second star-shaped handle so as to adapt to the front and rear wheel tracks of different automobile models, and the distance between the clamping blocks is adjusted by rotating a first star-shaped handle in a matched mode, so that the model display device is more convenient to use. Therefore, the device adapts to automobile models with different tire thicknesses, the effect of fixing the automobile models is achieved, the situation that the positions of the automobile models placed in the device are possibly moved during moving is avoided, and the convenience and practicability of the device are improved.

The present invention relates to a mold-free, coating-free, easy-to-peel in-mold label film and its preparation method and application, belonging to the technical field of functional polypropylene films. The mold-free, coating-free, easy-to-peel in-mold label film comprises a printing layer, a supporting layer, a bonding layer, a sub-surface layer and a laminating layer arranged in sequence; the printing layer comprises ≥99.5wt% maleic anhydride grafted propylene-ethylene copolymer, wherein the content of ethylene is 3-4mol%; the supporting layer comprises polypropylene, titanium dioxide and calcium carbonate; the bonding layer comprises 50-59wt% propylene-ethylene copolymer, 40-49wt% ethylene-norbornene copolymer and 0.5-1wt% antistatic agent; the sub-surface layer is composed of ethylene-norbornene copolymer, wherein the content of ethylene is 38-40mol%; the laminating layer comprises ≥98wt% ethylene-norbornene copolymer, wherein the content of ethylene is 30-35mol%. The mold-free, coating-free, easy-to-peel in-mold label film can avoid continuous sheets without a molding process, and can be directly printed without a coating process; the prepared in-mold label is easy to peel and recycle after being used for in-mold labeling.

The invention is applicable to the technical field of site selection of fire stations, and relates to a site selection method for co-building and sharing fire stations of expressways and cities and towns, which accurately characterizes fire rescue demand points of cities and towns by fusing multi-source data, and establishes an equivalent conversion model for expressway fire risks and urban building fire risks. A linear expressway rescue demand is converted into a discrete rescue demand point, reachability is calculated based on a real-time road condition, and an absolute value of a ratio between a coverage expressway rescue demand point and an input ratio of a coverage town rescue demand point which can be newly added compared with an original fire station after a candidate fire station is newly added is calculated; according to the method, the combination meeting the specified floating range is sequentially evaluated and reserved, so that the coverage rate, fairness and economical efficiency of the site selection method at the demand point are ensured, the maximum coverage rate of the demand point is ensured, the scientificity of site selection decision is improved, the fire-fighting service level and the emergency response capability of the expressway are improved, the rescue efficiency is high, and the loss is relatively low.

The utility model relates to the technical field of anaerobic towers, in particular to a coating device for an anticorrosive coating on the inner wall of an anaerobic tower, which not only facilitates the adjustment of the device along with the radius of the anaerobic tower, shortens the distance between a spray head and the inner wall and reduces the coating waste, but also ensures the covering effect of the anticorrosive coating by carrying out roll coating after spraying. Comprising a lifting mechanism; the device further comprises a rotating mechanism, an extending mechanism, a spraying mechanism and a smearing mechanism, the rotating mechanism is installed on the lifting mechanism and drives the extending mechanism to rotate, the extending mechanism is installed on the rotating mechanism so that the spraying mechanism can get close to the inner wall of the anaerobic tower conveniently, and the spraying mechanism is installed on the extending mechanism and sprays paint to the inner wall of the anaerobic tower. The smearing mechanism is installed on the extending mechanism and smears the coating.

The present invention discloses a high-efficiency centrifugal induced fan capable of back-blowing and automatic dust removal, comprising a fan housing, wherein both ends of the fan housing are respectively provided with an air inlet and an air outlet, and a filter, a side air inlet channel, a blowing device, and a volute are sequentially installed along the air inlet toward the air outlet, a back-blowing reserved air outlet is provided at the bottom of the fan housing, a fan flow channel switching device is provided between the side air inlet channel and the back-blowing reserved air outlet, and a valve device capable of adjusting the opening and closing of the air outlet is provided at the air outlet. The present invention changes the direction of the airflow by changing the flow channel direction inside the fan, and adopts a back-blowing dust removal cleaning method, which has the advantages of good cleaning effect, simple structure, no need to add a special small cleaning fan, convenient control, small maintenance workload, safe and reliable operation, etc. The gas is disinfected by using a disinfection device to effectively prevent the occurrence and spread of pathogens.

The embodiment of the invention discloses a data screening method and device and a computer readable storage medium. The data screening method comprises the steps that one or more pieces of track data and feature data corresponding to the track data are acquired; track points included in the track data are matched with generated road data, and road sections covered by each piece of track data are determined; based on a road section covered by the trajectory data, establishing an observation matrix for representing a coverage relationship between the trajectory data and the road section; based on feature data corresponding to the trajectory data, determining a quality evaluation matrix of the trajectory data; and screening the trajectory data according to the observation matrix and the quality evaluation matrix. According to the track data screened by the technical scheme, the data processing amount can be reduced, the coverage degree of high-precision map construction can be ensured, the quality of collected data can be ensured, the production efficiency and quality of a high-precision map can be effectively improved, and the mapping or updating requirements of the high-precision map can be met.

The utility model discloses a packing structure for seawater desalination, which belongs to the field of container manufacturing and comprises a plate cylinder, a plurality of support rods are arranged in the plate cylinder in parallel, and two ends of each support rod are connected onto the inner wall of the plate cylinder; a plurality of stand columns are arranged on the supporting rod and are parallel to the center line of the plate cylinder. The two stand columns at different positions are sleeved with spiral-wire-shaped rings, and each spiral-wire-shaped ring is formed by winding at least one spiral wire. The utility model not only facilitates the installation and arrangement of the filler, but also facilitates the replacement after local damage, and is low in cost.

The present invention discloses a radar data processing system and method for surface target monitoring, and belongs to the field of radar data processing technology. The present invention includes: setting radar monitoring equipment and cameras to monitor the target coast conditions and personnel dynamics in real time; combining coastal terrain data and wave buoys to predict the change of water depth at each cross-sectional position of the target coast within a unit time; analyzing the position information of each active person within the target coast range according to the radar monitoring equipment and image recognition results, and tracking the dynamics of each active person within the target coast range; analyzing the safety risks of each active person within the current target coast range within a unit time according to the predicted change of water depth at each cross-sectional position of the target coast, combined with the personnel position information; judging whether to issue a safety warning. Rapid positioning of risk personnel is achieved, and rescue efficiency is improved; through early warning, the occurrence of coastal emergencies is effectively avoided, and the safety of coastal activities is enhanced.

The invention discloses a steel structure fatigue damage detection device, and relates to the technical field of steel structure detection.The steel structure fatigue damage detection device comprises a steel structure body and a base, two side plates are fixedly installed on the base, a plurality of cross beams are fixedly installed between the two side plates, and limiting assemblies are installed on the two side plates; the two limiting assemblies are matched with the front end and the rear end of the steel structure body correspondingly, a detection assembly is installed between every two transverse beams corresponding in left-right position, and the two detection assemblies are matched with the upper end and the lower end of the steel structure body correspondingly. The automatic feeding device has the advantages that stable pushing feeding can be automatically conducted on a steel structure body in the detection process, manual operation is not needed, the problem of result errors caused by manual intervention is effectively avoided, the accuracy of the detection result is guaranteed, the working efficiency is greatly improved, and the labor intensity of workers is reduced. And in the pushing and feeding process, the cleaning plate can be driven to automatically reciprocate up and down, so that the cleaning plate can effectively clean the steel structure body in the moving process.

An optimization method and an optimization device for a test case set, the optimization method comprising: obtaining a Pcell and CDF parameter information of the Pcell, the Pcell having a plurality of parameter modules, each parameter module having at least one CDF parameter, the parameter information of the Pcell being suitable for representing the function of each parameter module and the function association between different parameter modules; obtaining a to-be-optimized test case set; and according to the Pcell and the CDF parameter information of the Pcell, based on the FMEA, optimizing the test case set to be optimized, and obtaining an optimized test case set. According to the technical scheme, the number of the test cases in the test case set can be reduced while the coverage rate of the test case set is guaranteed, the quality guarantee period can be effectively shortened, and the quality guarantee cost is reduced; and the method is simple to implement, does not depend on commercialized software, and can effectively reduce software cost.

This invention discloses a method and system for mobile robot path coverage based on a hierarchical topology graph, belonging to the field of mobile robot mapping technology. The method includes: segmenting a binarized map into sub-regions to construct an initial adjacency graph; hierarchically dividing the sub-regions according to the number of neighbors and coverage difficulty to construct a hierarchical topology graph; adding sub-regions with one neighbor pair to a candidate pool based on the hierarchical topology graph, selecting the optimal candidate region for coverage through multi-objective optimization scoring, dynamically pruning and updating the candidate pool after coverage until the candidate pool is empty; and using a greedy strategy to complete coverage of the remaining sub-regions. This invention integrates regional geometry and topology information through a hierarchical topology graph, combined with dynamic pruning and entrance / exit optimization, effectively solving the problems of traditional methods relying on static rules, easy repetitive traversal of covered areas, and low efficiency in end-point coverage. It significantly shortens the length of uncovered paths and improves the regularity and operational efficiency of fully covered paths.

The utility model discloses coating equipment for PVC (polyvinyl chloride) coated fabric production, which relates to the field of textile processing equipment and comprises a supporting bottom plate, a supporting top plate is arranged above the supporting bottom plate, control devices are symmetrically arranged on two sides of the supporting bottom plate, a center mounting frame is arranged at the bottom of the supporting top plate, and a plurality of control devices are symmetrically arranged on the center mounting frame. A plurality of liquid spraying plates are arranged at the bottom of the center mounting frame, and liquid conveying pipelines matched with the liquid spraying plates are arranged at the top of the center mounting frame. Cloth is preheated through the heating frame, and the adhesion effect and stability of follow-up spraying can be guaranteed; the cleaning roller cleans the surface of the cloth at the cloth inlet end, the covering effect of a cloth coating can be ensured, the cloth is preheated through the heating frame, and the adhesion effect and stability of subsequent spraying can be ensured; and the cleaning roller cleans the surface of the cloth at the cloth inlet end, so that the covering effect of a cloth coating can be ensured.