347results about How to "Achieve maintenance" patented technology

The invention provides a method for constructing a chemical-plastic industry chain knowledge graph by using a graph convolutional network, and relates to the technical field of knowledge graphs, and the method comprises the steps: obtaining the multi-source heterogeneous data of a chemical-plastic industry chain through a data collection system, and forming an initial data set; preprocessing the initial data set to generate a standardized data set; performing knowledge modeling based on the standardized data set to form a domain knowledge model; constructing an initial knowledge graph according to the domain knowledge model; and optimizing the initial knowledge graph by using a graph convolutional network, including constructing a graph convolutional network model, training the model, and performing automatic completion and error correction on the knowledge graph through the trained model to obtain an optimized chemical and plastic industry chain knowledge graph. Through systematic data processing, knowledge modeling and graph convolutional network optimization methods, efficient expression, automatic complementation and error correction of the knowledge of the chemical and plastic industry chain are realized, so that an accurate and reliable chemical and plastic industry chain knowledge graph with an automatic optimization capability is constructed.

The utility model provides a base station which comprises a movable part and a fixed part, the movable part and the fixed part are of a split structure, the movable part can carry a cleaning main machine so that the cleaning main machine can cross some obstacles which cannot be crossed by the cleaning main machine, and therefore the application scene of the cleaning main machine is expanded, and the cleaning efficiency is improved. For example, the cleaning main machine can clean different floors and is not limited to plane cleaning any more; meanwhile, the fixing part can maintain the cleaning main machine, so that the cleaning main machine can be maintained when the cleaning main machine needs to be maintained, and the use effect of the cleaning main machine can be guaranteed; according to the base station with the structure, the function of the base station is modularized, and the setting is flexible, so that the base station can be used in more scenes.

The invention discloses a storage battery remote capacity checking method, system and equipment, and the method, system and equipment are executed through a remote capacity checking main control module in a storage battery remote capacity checking system, the remote capacity checking main control module establishes communication with a remote management platform, and is connected with an inversion compensation grid-connected module in the storage battery remote capacity checking system; comprising the following steps: controlling a storage battery to discharge a direct-current electricity load based on a capacity checking discharge instruction issued by a remote management platform; acquiring an actually measured current value in the discharging process of the storage battery, and determining a current difference value between the actually measured current value and the reference current value; if the absolute value of the current difference value is greater than a preset threshold value, the storage battery is discharged through an inversion compensation grid-connected module for current compensation; when it is detected that the discharge end condition of the storage battery is met, checking the capacity of the storage battery to obtain a capacity checking result of the storage battery; the discharge current of the storage battery can be stably maintained in the precision range of the reference current value in the storage battery capacity checking process so as to meet the relevant regulation requirements of capacity checking discharge of the storage battery.

The invention discloses a digital twin-driven photovoltaic module monitoring and self-purification system, belongs to the technical field of photovoltaic module cleaning, and realizes intelligent management and maintenance of a photovoltaic system through mutual cooperation of a sensing layer, an information capturing layer, an information transfer layer, an intelligent analysis layer, a decision support layer and an interactive experience layer. The sensing layer deploys various sensors to collect key data of the photovoltaic module; the information capturing layer transmits the data to a back-end processing system in real time; the information transfer layer ensures efficient transmission of data in the system; the intelligent analysis layer predicts a maintenance demand by using a machine learning algorithm, realizes predictive maintenance, and maintains the optimal working state of the component through an intelligent cleaning mechanism; the decision support layer provides decision support based on data analysis for an operator of the photovoltaic power station, and optimizes a maintenance plan and a productivity plan; and the interactive experience layer provides a visual management interface, so that the component state can be remotely monitored conveniently.

The invention provides an electric power tower state real-time monitoring and common fault identification system based on a digital twinborn technology. According to the system, a high-precision digital twinborn model module is constructed, and a sensor network module is integrated so as to acquire key data of a tower in real time. The data processing center module utilizes an advanced clock synchronization technology to ensure data precision, cooperates with the common fault identification system module and the health state evaluation module, and adopts finite element analysis and Paris laws to accurately evaluate the health condition of the tower. The system further comprises an intelligent maintenance decision support module which provides a scientific maintenance strategy. In addition, the data visualization platform module and the user interaction interface module enhance the user experience, so that the system is not limited to monitoring and evaluation, and optimization of maintenance decision and individuation of user interaction are also realized. The overall system design pays attention to real-time performance, accuracy and intelligence, and aims at improving the operation and maintenance efficiency and safety of the electric power tower.

The embodiment of the invention discloses a transformer fault detection method based on acoustic emission and related equipment, and the method comprises the steps: training a machine learning model through employing an acoustic signal and a corresponding fault type, and enabling the trained machine learning model to automatically extract features from the acoustic signal obtained in an equipment operation process, and the fault type of the equipment is accurately judged based on the characteristics, so that the fault detection precision and efficiency are effectively improved, the downtime and maintenance cost of the equipment are reduced, and intelligent management and maintenance of the mechanical equipment are realized.

The invention discloses a method for crushing and recycling waste diapers, and relates to the technical field of resource recycling. The operation state of gravity separation equipment and the crushing condition of waste diapers are monitored in real time, and fault identification and risk analysis are performed on equipment power consumption fluctuation and material particle size distribution by utilizing feature extraction, so that early warning signals of corresponding levels are generated; the maintenance sequence is determined according to the risk level of the equipment, and the material putting amount and frequency are dynamically adjusted, so that the equipment is always operated in the optimal state; therefore, equipment overload and faults are effectively prevented, the service life of the equipment is prolonged, the maintenance cost is reduced, distribution of maintenance resources can be optimized, production stagnation caused by the equipment faults is reduced, the production efficiency and economic benefits are improved, and the continuity and high efficiency of the waste baby diaper treatment process are ensured.

The invention provides a sewage pumping control method of a cleaning base station, a liquid pumping system, the cleaning base station and a cleaning system.The cleaning base station comprises a base station body, a cleaning tank is arranged at the bottom of the base station body, and the cleaning tank is used for collecting sewage generated when the cleaning base station cleans a cleaning assembly of self-cleaning equipment; a cleaning tank is arranged in the base station body, a liquid storage container is arranged on the base station body and used for collecting sewage in the cleaning tank, and the sewage pumping control method comprises the following steps that a sewage pumping channel between the cleaning tank and the liquid storage container is closed; performing air exhaust operation on the liquid storage container until the negative pressure of the liquid storage container reaches a set threshold value; opening a sewage pumping channel between the cleaning tank and the liquid storage container; and sewage in the cleaning tank is pumped into the liquid storage container under the action of negative pressure. By means of the sewage pumping control method, the technical problems that in the process that an existing liquid pumping system pumps sewage in the sewage tank, bubble sound is obvious, and the duration time is long can be solved.

The invention relates to the technical field of inductor processing, in particular to an enameled wire winding protection winding device for inductor processing, which comprises a base, a fixing main body, a protection main body and a positioning main body, a control main body is fixedly connected to the front of the top of the base, and a discharging main body is fixedly connected to the right side of the top of the base; the winding device comprises a discharging main body, a winding main body is arranged on the left side of the discharging main body, a fixing main body is arranged on the left side of the winding main body, and a feeding main body is arranged on the left side of the fixing main body. The enameled wire floating up and down is buffered through the rubber sleeve and the sponge ring, the enameled wire is protected, the enameled wire is prevented from being damaged, meanwhile, the rotating wheel can rotate under the action of the bearing, and the enameled wire is further protected.

The invention discloses a write optimization Hash index construction method and system based on a separated memory, and the method comprises the steps: building a Hash index structure comprising a directory, a segment and a bucket in a memory node based on the design of the separated memory, building a directory tree structure comprising a leaf item and a non-leaf item, and caching a corresponding directory in a computing node; maintaining a corresponding predictor for each slot in the barrel, and indicating the position where the slot should be placed during splitting by reading a corresponding bit in the predictor during splitting; when the Hash index is introduced and split, starting a single-thread memory crawler in a memory node to regularly search an unupdated predictor; multiple round-trip times are compressed into one by merging multiple RDMA operations into one RDAM request through passive acknowledgement and batch processing. According to the method, the multi-level catalog is combined with the extensible Hash, the Hash index is expanded and synchronized in a fine-grained mode, meanwhile, the splitting overhead is reduced through a predictor component and optimization splitting, and finally the writing performance is improved.

The invention relates to the technical field of sheet metal part machining, in particular to a scraper sheet metal part scraping device with a positioning mechanism, which comprises a base, a placing groove is formed in the upper end of the base, and two groups of symmetrical fixing blocks are fixedly connected to two sides of the placing groove in the upper end of the base; third sliding rods are jointly and fixedly connected between the two sets of fixing blocks, an adjusting mechanism is jointly installed on the outer sides of the two sets of third sliding rods, the adjusting mechanism comprises an installation block, two sets of symmetrical grinding mechanisms are installed at the positions, close to the lower end, of the front end of the installation block, and the adjusting mechanism further comprises a sliding block; the punching mechanism is installed at the lower end of the sliding block, the adjusting mechanism can enable the sliding block to move left and right while moving up and down, so that the comprehensive angle of the boring blade is adjusted, the grinding mechanism grinds the edge of the scraper cutting board, burrs left on the edge of the scraper cutting board are cleaned, and holes can be cleaned when the punching mechanism punches holes.

The invention provides a protection device and a lithium battery pack, and relates to the technical field of lithium battery packs. The protection device comprises a first shell and a second shell, a first cavity is formed in the first shell, a first opening communicated with the first cavity is formed in the side portion, in the first direction, of the first shell, the first cavity is used for containing a battery body, and an elastic assembly is arranged at the bottom of the first shell; the second shell is internally provided with a second cavity, the top of the second shell is provided with a second opening communicated with the second cavity, and the second cavity is used for containing the first shell and sealing the second opening through the first shell; the two adjusting assemblies are movably arranged on the two opposite sides of the second shell in the second direction, and the adjusting ends of the adjusting assemblies are located in the first cavity, matched with the first shell and used for adjusting the first shell to be fixed in the second cavity or move out of the second shell.

The invention relates to the technical field of integrated hydraulic station systems, and discloses an integrated hydraulic station system based on intelligent control. The integrated hydraulic station system comprises an intelligent control core module, a power and transmission control module, a monitoring and feedback adjusting module, a safety and protection module, a fault diagnosis and early warning module, a network communication and remote monitoring module and a system integration and cooperation module. The intelligent control core module comprises a central controller and a data acquisition and processing unit; the power and transmission control module comprises a hydraulic pump set and a hydraulic motor; the monitoring and feedback adjusting module comprises a sensor network and a human-computer interaction interface; the safety and protection module comprises an energy accumulator, a safety valve, an overflow valve, a filter and a cooler; the network communication and remote monitoring module comprises a network communication unit and a remote monitoring platform; through the system, the working stability and reliability of the hydraulic system can be improved.

The invention discloses an integrated assembly type steel structure outer envelope system which comprises a steel structure body and further comprises two coamings located on the inner side and the outer side of the steel structure body respectively. The outer decorative plate is arranged on the surface of the surrounding plate on the outer side of the steel structure main body; the buffer layer is adhered to the surface of the coaming on the inner side of the steel structure main body; and the inner decorative plate is arranged on the side, away from the steel structure body, of the buffer layer. According to the integrated assembly type steel structure outer envelope system, the inner decorative plate, the outer decorative plate, the basic plate, the heat preservation cotton and the like are integrated together, and after the integrated assembly type steel structure outer envelope system is assembled on the steel structure body, integrity is high, the inner decorative plate and the outer decorative plate are not prone to falling off, and safety is good.

The invention relates to the technical field of bridge maintenance management, in particular to a bridge group digital inspection and maintenance system and method based on GIS and BIM. Comprising a data acquisition and integration module, a GIS space information management module, a BIM model construction and management module, a data analysis and early warning module, an inspection plan and maintenance management module, a user authority and safety management module and an emergency response and processing module. By integrating the GIS and BIM technologies, digital inspection and maintenance of a bridge group are realized, the bridge management efficiency and precision are remarkably improved, various data of bridges can be acquired and analyzed in real time, potential risks can be found in time, early warning can be performed, inspection routes and maintenance strategies can be scientifically planned, efficient execution of inspection work is ensured, and the inspection efficiency is improved. Strict user permission and a safety management mechanism guarantee the safety and integrity of data, and an emergency response and processing module enhances the capability of dealing with bridge emergencies, thereby providing powerful guarantee for long-term safe operation of the bridge.

The utility model relates to nanometer material grinding equipment which comprises an outer barrel, a grinding device, a grinding device, a grinding device body and a grinding device body, the outer barrel is provided with a feeding port and a discharging port, and the outer barrel is internally provided with a grinding medium; the inner cylinder body is arranged in the outer cylinder body and can be arranged in a self-rotation manner; a stirring piece for stirring the grinding medium to move is connected to the peripheral wall of the inner barrel; a material hole communicated with the interior of the inner barrel body is also formed in the peripheral wall of the inner barrel body; the screen drum body is arranged in the inner drum body, and the screen drum body is communicated with the discharging opening; the power part is arranged on the outer cylinder body, and the power output end of the power part extends into the outer cylinder body and is connected to the inner cylinder body. According to the grinding equipment, the power output end of the power part is directly connected to the inner cylinder, so that the power, efficiency and torque loss can be reduced, and the stability is enhanced.

The invention discloses an electricity-hydrogen production and charging integrated station planning method and system based on artificial intelligence and a medium, which are used in the field of electricity-hydrogen production and charging integrated station planning, and the electricity-hydrogen production and charging integrated station planning method comprises the following steps: obtaining energy climate data of each traffic node in an electricity-hydrogen production and charging integrated station; pre-constructing a neural network fusion model, and inputting the energy climate data into the neural network fusion model to obtain a space-time distribution prediction model of the electric hydrogen energy demand; analyzing the energy flow of the electricity-hydrogen production and charging integrated station, and constructing a multi-target operation planning model of coupling of a power grid and a traffic network; and utilizing the spatial-temporal distribution prediction model to predict the spatial-temporal distribution of the electro-hydrogen energy charging demand, and fusing the prediction result with the output data of the multi-target operation planning model to obtain the optimal site and equipment capacity planning of the electro-hydrogen production and charging integrated station. According to the invention, management and maintenance of data of the electro-hydrogen production and charging integrated station are realized, and efficient operation and management of the integrated energy station are promoted.

The invention discloses a steel wire rope tension detection device and system. The device comprises an excitation coil framework with a concave structure; the excitation coil is wound on the excitation coil framework, and when excitation voltage is input, an excitation magnetic field is generated in a groove of the excitation coil framework; the induction coil framework is arranged in the groove and is connected with the excitation coil framework; the induction coil is wound on the induction coil framework, the induction coil comprises a plurality of induction coil sections which are detachably connected, the to-be-detected steel wire rope is sleeved with the induction coil, the induction coil generates induction voltage and outputs the induction voltage under the coupling action of the excitation magnetic field and the pulling force of the to-be-detected steel wire rope, and the induction voltage is used for determining the pulling force. The tension detection device can also be conveniently installed for tension detection after the steel wire rope is installed, and can also be conveniently detached from the steel wire rope after detection is completed, so that detachment and maintenance after the tension detection device is installed are realized.

The invention discloses an unmanned aerial vehicle management system and method based on an unmanned aerial vehicle intelligent storage cabinet. The management system comprises a business management module, a battery management module, an environment management module and a control unit, and by arranging the business management module, the battery management module, the environment management module and the control unit, automatic management of warehouse-in and warehouse-out of the unmanned aerial vehicle is achieved, warehouse-in and warehouse-out are recorded and stored one by one, manual dependence is reduced, and the management efficiency is improved; the battery management module can achieve comprehensive battery management on batteries of the unmanned aerial vehicle in the whole intelligent storage cabinet, battery maintenance is achieved, the service life of the batteries is prolonged, the damage probability of the batteries is reduced, the environment management module can monitor the storage environment in each storage grid, the safety of the whole management system is improved, and the management efficiency is improved. Through an intelligent means, a comprehensive, reliable and easy-to-operate asset management solution is provided for unmanned aerial vehicle storage.

The invention discloses a liquid catalyst and a coal combustion efficiency improvement detection system thereof, and belongs to the technical field of coal chemical industry, the catalyst comprises active metal ions and other combustion performance adjusting substances, the activation energy of coal combustion can be reduced, and the combustion rate can be improved. Furthermore, according to the use requirement that the characteristics of all coal types are matched with the adaptability of the catalyst, in order to further optimize the proportion of all formulas of the catalyst, the invention provides a detection system for improving the coal combustion efficiency of the catalyst, the detection system comprises a plurality of test chambers, and the coal combustion efficiency of the catalyst is improved by accurately adjusting the test environment of the coal powder and the catalyst. According to the method, a high consistency test is provided, and a batch circulating test is adopted, so that the improvement effect of the catalyst on combustion of different coal types is quickly and efficiently verified, and the optimal proportion value of each component in the catalyst to a specific coal type is determined.

The embodiment of the invention provides an interaction method and device of a server and a client and electronic equipment, and the method comprises the steps: receiving a request message sent by the client, and the request message carries an uploaded target model folder; analyzing the request message to obtain a target file used for being transmitted between the client side and the server side in the target model folder; determining a suffix type of the target file; generating a target object array corresponding to the target file according to the suffix type; and returning the target object array to the client so as to display the target file at the client. Through the embodiment of the invention, the unified management and maintenance of the model file are realized, and the high availability and disaster recovery capability of the data are ensured, so that the management efficiency and security are improved.

The invention provides a fault determination method, device and system for a master-slave communication line, and relates to the technical field of fault detection.The method comprises the steps that under the condition that it is detected that a master-slave communication loss fault exists in a vehicle machine, whether collected data sent by a monitoring device DTU is received or not is determined; the method comprises the following steps: determining a current communication line in a working state under the condition of determining that collected data is received, counting and accumulating a first fault frequency under the condition of determining that the current communication line is a first communication line, and controlling closing and opening of the line through an MOS tube under the condition of determining that the first fault frequency is greater than or equal to a preset frequency. Therefore, the first communication line is in an open state and the second communication line is in a closed state. Through the design of double communication lines and an automatic switching mechanism, the stability and safety of master-slave communication are remarkably improved, a standby line can be quickly switched, the actual vehicle use experience of customers is improved, and the communication continuity is ensured.

The utility model discloses an automatic water inlet and outlet device of circulating water aquaculture system relates to aquaculture technical field, including siphon drain pipe, with curved pipe section, the inlet end of siphon drain pipe is connected to the aquaculture pond, and the export end extends to the sewage bin, water level indicating pipe has the vertical pipe section with the intercommunication of aquaculture pond, and the top of vertical pipe section is communicated with atmosphere, makes its inside water level and aquaculture pond real -time synchronization, air pipe, one end intercommunication curved pipe section's top, the other end inserts the top of vertical pipe section, is used for controlling the start -stop of siphon drainage, wherein, the depth of air pipe insertion vertical pipe section is adjustable, is used for controlling the flow of siphon drainage. The utility model discloses a siphon drain pipe with curved pipe section is set up, utilizes siphon physical effect to realize zero -energy -consumption's drainage start and maintain, through setting up the air pipe of intercommunication curved pipe section top and inserting vertical pipe section, completes pure physical formula drainage start -stop control, and the need of artificial intervention is eliminated.

The utility model relates to the technical field of pipeline accessories, and disclose a kind of urban water supply pipeline fast repair joint of self-adapting different pipe diameter, left half ring and right half ring are away from the one end of hinged axle and hinge by bolt and nut detachable installation, the inside of right half ring is embedded with connecting pipe, the outside one end of connecting pipe is connected with external connection pipe, the inside movable mounting of external connection pipe has ball core body, the inside of ball core body is provided with through-hole, the top and bottom of ball core body are all fixedly installed with axle rod, the end of axle rod is fixedly installed with turntable, the outer wall of external connection pipe and located the outside of axle rod is provided with locking assembly. When two rubber pads are folded, the inner arc surface of both is elliptical, because the inner arc surface of rubber pad is larger, the inside of rubber pad is provided with deformation hole, so that the folding of left half ring and right half ring can be well applied to different outer diameter pipes.

This invention relates to a prefabricated 3D-printed box-type concrete retaining wall and retaining wall system. The prefabricated 3D-printed box-type concrete retaining wall is assembled from 3D-printed concrete retaining wall units. Each 3D-printed concrete retaining wall unit is an integrated 3D-printed concrete structure, consisting of an arched outer wall panel, a concave inner wall panel, and concave side wall panels, which enclose a cavity. A transverse keyway is formed between the concave side wall panels of adjacent 3D-printed concrete box-type retaining wall units. Shear keys are formed by casting cement-based material within the transverse keyway, enabling the combined load-bearing capacity of the 3D-printed concrete retaining wall units. Under the same loading conditions, the peak bearing capacity of the structure of this invention is significantly improved compared to traditional vertical box-type retaining walls, and the bearing performance is further enhanced under simulated backfill conditions, demonstrating good engineering applicability and green construction value.

The present application relates to the field of bridge maintenance, and discloses a landscape bridge steel structure pulse cleaning device, which comprises a supporting seat, a main flow pipe, a push flow assembly, a driving assembly, a reset assembly and a cleaning assembly. The supporting seat is fixedly connected with the main flow pipe, and the push flow assembly is slidably arranged in the main flow pipe. The driving assembly is arranged on the supporting seat and used for driving the push flow assembly to move to compress the reset assembly to accumulate potential energy. The reset assembly releases the potential energy to drive the push flow assembly to quickly reset, extrude the liquid in the main flow pipe to generate a pulse water flow. The cleaning assembly is arranged at both ends of the main flow pipe and used for switching the fluid discharge path and opening the cleaning port. The present application uses pulse jet to improve the stripping efficiency of rust on the surface of the steel structure. The internal pipeline is self-cleaned through the cleaning assembly, so that the mixed corrosion of the chemicals is avoided. The negative pressure generated by the push flow assembly can suck and recycle the accumulated water in the gap, prevent secondary rust, and solve the problem that the secondary rust is caused by the residual accumulated water after the cleaning of the complex steel structure surface.

The utility model relates to a filler structure and a catalytic ozonation device, the filler structure is applied to the catalytic ozonation device, the catalytic ozonation device further comprises a reaction tank, the filler structure is arranged in the reaction tank, and the filler structure comprises a plurality of supporting square pipes which are horizontally arranged in parallel at intervals; the packing frames are embedded in the supporting square pipes and are detachably arranged, and at least one packing frame is arranged on each supporting square pipe; and the catalyst filler is arranged in the filler frame. The modular arrangement of the filler structure can be realized, so that the uniformity of water distribution and gas distribution is facilitated. Meanwhile, due to the fact that the specific surface area of the filler structure is small, the catalyst filler in the filler frame is not prone to hardening. Even if the hardening phenomenon occurs, the filler structure can be conveniently maintained, so that the treatment effect of the catalytic ozonation device on the white spirit wastewater is guaranteed.

The utility model discloses a controllable permeation regulation constructed wetland bottom layer drainage system, which comprises a water filtering layer arranged in a wetland pond and sequentially comprises a river sand filling layer, a quartz sand filling layer, a gravel filling layer and a high-strength permeable grating layer. A drainage connector is connected to the side wall of the bottom of the wetland pond, and a drainage caisson connected with the drainage connector is buried in a soil layer on the outer side of the wetland. The sandy soil backfilling assembly and the drainage assembly are installed on the drainage caisson. The sandy soil backfilling assembly comprises an outer sleeve, a desilting barrel, an inner sleeve, a spiral conveying blade and a backfilling pipe. According to the system, long-term stable operation of the wetland is ensured, the water quality purification efficiency is improved, the landscape effect and the ecological function of the wetland are enhanced, and an advanced and practical solution is provided for urban and rural sewage treatment and river and lake restoration.

The invention discloses a pole-mounted terminal storage battery intelligent detection system and method, and relates to the field of power distribution automation, and the pole-mounted terminal storage battery intelligent detection system comprises a plug-and-play connection module, a data acquisition and processing unit, a wireless communication module, a cloud service platform, and an energy management module. Data acquisition and analysis processing are performed on the storage battery through the data acquisition and processing unit, the data are sent to the cloud service platform through the wireless communication module, a remote control instruction from the cloud service platform is received through the wireless communication module, and automatic management of energy is realized through the energy management module. All-weather intelligent detection of the pole-mounted terminal storage battery is achieved, it is guaranteed that the pole-mounted terminal storage battery is in the optimal working state, the workload of operation and maintenance personnel is reduced, and the pole-mounted terminal storage battery detection system has the advantages of being intelligent, efficient, high in adaptability and high in reliability.

The utility model discloses a landfill sludge screening mechanism which comprises a screening box, the top of the screening box is open, the interior of the screening box is hollow and provided with a containing cavity, opening grooves are formed in the two side walls of the screening box, and a first opening is formed in the opposite side of the screening box; the screening net is provided with screening holes, the screening net is located in the containing cavity of the screening box, the screening net is inserted into the screening box from the first opening, the two sides of the screening net are located in the opening grooves, and the screening net can horizontally move along the opening grooves; the vibrating mechanism is arranged below the screening box and used for reserving a space between the vibrating mechanism and the ground and vibrating the screening box in the horizontal direction and the vertical direction. The driving motor can drive the gear and drive the rack to move horizontally, the screen slides out, cleaning and maintenance of the filter screen are achieved, the horizontal vibration effect and the longitudinal vibration effect of the screening box are achieved through the first compression spring and the second compression spring, and the screening effect is better.