30results about How to "Achieve free movement" patented technology

The invention relates to a cross-block chain data management system, comprising a communication gateway, a certificate center module, a block chain management module, a data retrieval module and a data processing module. The communication gateway is used for connecting to the block chain for data exchange. The certificate center module is responsible for the management of public and private keys;The block chain management module is responsible for maintaining the identity information of the cross-block chain data management system in the block chain, and the node identity information contained in each block chain; Responsible for docking with different types of block chains; Responsible for the management of data access rights between different block chains; Data retrieval module is responsible for retrieving and extracting according to the retrieval elements; Data processing module is responsible for processing the retrieved data to generate graphics data structure. Thus, the cross-block chain data management system of the invention processes the data contents distributed in different block chains according to the objective process of the development and evolution of the application data, and realizes data retrieval, data association and data integration among the closed block chains.

The invention relates to a resource configuration method and system, being characterized by: carrying out the systematic sorting of complex resource configuration related elements through employing various technologies, carrying out the analysis of different dimensions, and setting a resource configuration system architecture model which can be referenced by an application-level service; assistingorganizations or individuals through innovation and reform; establishing a resource configuration system on the basis of an existing resource exchange system or no resource exchange system, so as topromote organizations and individuals, and individuals and individuals to establish a new cooperation mode under the condition of ensuring the legitimate identity and the data validity of networking,and ensuring the authenticity, the consistency and the non-tampering property of the data in different system transmission processes, thus realizing efficient utilization of data; and the data serviceand the intelligent service are combined with economy, resources and users to better research and distribute through communication with the server; and values are mined from big data such as geographic space, time, resources, users, reputations and demands, and data matching of resource demands and supply is established, and the association relationship between a regular mode and geographic lawsis acquired, and a sustainable and long-term-development complete business mode is created.

The invention provides a method for achieving layered storage and copy of data of a storage system. The method achieves that the storage system can automatically copy the data from a high-speed high-cost storage to a low-speed low-cost storage; or when required, the data are automatically copied from the low-speed low-cost storage to the high-speed high-cost storage. According to the method, the data are layered according to access frequency degree, data which are accessed frequently are stored in a high-speed high-cost storage medium containing a solid state disk, and data which dot not be accessed frequently are stored in a high-speed high-cost storage medium containing a high-capacity serial advanced technology attachment (SATA) state disk, so that use rate and disk array performance of a high-speed storage device are effectively improved, and total ownership cost of the disk is reduced. The method for achieving the layered storage and copy of the data of the storage system is effective and simple in design, and capable of achieving the fact that the data flow freely on different storage mediums according to data access frequency under the circumstance that system resource consumption is reduced.

The invention discloses a well completion pipe string comprising a bushing. Two floating couplings are arranged on a horizontal section of the bushing. Each floating coupling comprises a shell, an upper slide sleeve and a lower slide sleeve, the upper slide sleeve comprises a communication portion and a shear portion, the shear portion is supported on the upper section of the inner wall of the shell through an upper shear pin, the lower slide sleeve is supported on the lower section of the inner wall of the shell through a lower shear pin, the communication portion is disposed in the lower slide sleeve, and a discharge hole is formed in the communication portion; an annular steady flow groove is formed in the upper end face of the shear portion, and the width of the steady flow groove decreases axially along the shear portion. The floating couplings are arranged on the bushing to enable the bushing to be filled with air; since the bushing below the floating couplings is filled with air, after the section of the bushing enters a horizontal well section, gravity acting on the horizontal well wall is reduced, friction force between the bushing and the well wall is reduced accordingly, thrust pushing the bushing forward is reduced, and accordingly quality of well cementation of the horizontal section is improved beneficially, and convenience is brought to the bushing to lower to the design position.

The invention relates to a segment lining grouting system and method based on an outer-embedding-type channel and an expandable bag. The segment lining grouting system comprises a tunnel structure formed by splicing segment lining, wherein a grouting hole serving as a hoisting hole is embedded in the central part of the segment lining, a transverse and longitudinal outer-embedding-type channel isarranged on the outer arc surface of the segment lining, a slurry diffusion main channel is arranged along the segment circumferential direction, a slurry diffusion secondary channel is arranged in the tunnel longitudinal direction, and the slurry diffusion main channel is connected with the grouting hole; and the outer-embedding-type channel adopts a embedded channel which is internally providedwith the bag with high extensibility, and the slurry injected through the grouting hole can only flow within the limited range of the bag. The segment lining grouting system and method have more obvious significance for water-rich and large-particle pebble soil layers, the defect that slurry corresponding to the conventional grouting process is diluted or lost to surrounding loose stratum by underground water under the condition of stratum overbreak or disturbance can be effectively overcome, the effective filling of the three-dimensional annular space of a shield tail gap is realized, the effective contact between a tunnel and the surrounding stratum is ensured, and the stability of the tunnel structure and the safety of the surrounding environment are realized.

The invention discloses a double-cylinder and double-outlet-rod flowing type magnetorheological damper. The double-cylinder and double-outlet-rod flowing type magnetorheological damper comprises a piston cylinder and an electromagnet cylinder; the piston cylinder and the electromagnet cylinder are both filled with magnetorheological fluid; a piston is arranged inside the piston cylinder; a pistonrod connected to the piston penetrates out of the piston cylinder in a sealed mode; cavities on two sides of the piston inside the piston cylinder communicate with the electromagnet cylinder through guide pipes; an electromagnet is arranged inside the electromagnet cylinder; and a magnetic conductive area generated by the electromagnet is used for controlling the magnetorheological fluid to generate the magnetorheological effect. Mounting of a special maintenance device is avoided, and the double-cylinder and double-outlet-rod flowing type magnetorheological damper has high reliability in theuse period compared with ordinary mechanical elements. Needed energy is extremely low, and even if energy is interrupted in an earthquake, the double-cylinder and double-outlet-rod flowing type magnetorheological damper still can be used as a passive energy dissipation device to continue to play a control role; and the magnetorheological fluid in the damper can achieve the alternate changes of free flow, viscous flow and semi-solid state by controlling the changes of an electric field and a magnetic field within the time of several milliseconds.

The invention discloses an energy storage charging pile. The energy storage charging pile comprises high-frequency isolation DC / DC conversion devices and direct current buses, high-frequency isolationAC / DC conversion devices and direct current buses, an electric vehicle charging device and a charging port as well as energy storage devices and energy storage buses, wherein the DC / DC conversion devices can be unidirectional or bidirectional; and the AC / DC conversion devices can also be unidirectional or bidirectional. The different energy storage devices can be treated differently, and can be respectively charged or discharged, meanwhile, electric energy of an alternating-current power grid, electric energy stored by the energy storage devices and electric energy of a battery in an electricvehicle can be combined simultaneously, so that the electric energy of the alternating-current power grid, the electric energy stored by the energy storage devices and the electric energy of the battery in the electric vehicle can flow freely, impact of charging on the alternating-current power grid can be reduced, and meanwhile, the battery in the vehicle can be effectively utilized as an energystorage device to feed the power grid reversely or charge the energy storage devices, and thus, an integrated solution is achieved.

The invention discloses a centralized energy storage charging pile. The charging pile comprises two-way or unidirectional DC / DC conversion device with a high-frequency isolation transformation function and a direct-current bus. A first connecting point of the DC / DC device is connected to one or more energy storage devices through an energy storage bus, and a second connecting point is connected tothe direct-current bus. The charging pile also comprises first and second two-way or unidirectional AC / DC conversion devices with a high-frequency isolation transformation function. Electric energy of the energy storage device can be concentrated in the energy storage bus, and the electric energy of the energy storage device, electric energy of an alternating-current power grid and electric energy of a battery in an electric vehicle are combined, so that the electric energy can freely flow among the energy storage bus, the alternating-current power grid and the battery, and impact of chargingof the electric vehicle on the alternating-current power grid is reduced. Meanwhile, the battery in the vehicle can be effectively utilized and used for energy storage to feed the power grid or charge the energy storage device reversely, the electric energy of the energy storage device can also be used for charging the electric vehicle or feeding the power grid, and an integrated solution is formed.

The invention discloses an in-situ reduction system for gas-phase pollutants at a refuse landfill based on an intercalation function layer. The system comprises the intercalation function layer disposed above a refuse heap body of the refuse landfill and under a closure covering system, wherein the intercalation function layer comprises a gas-permeable film layer, functional filling layer and an HDPE film layer which are disposed in succession; and a power-free air automatic exchange system is also disposed in the functional filling layer. Mineralized refuses in the functional filling layer are characterized by a high organic content, a large number of microbe, abundant porous structures of mud carbon, a high content of nitrogen in straw stalks after oxidative ammonolysis and so forth andthe power-free air automatic exchange system is installed to promote formation of an aerobic environment for microbial activities, so the system can effectively reduce a release concentration and a release amount of the gas-phase pollutants at the refuse landfill. Application of the system in a current refuse landfill structure has the advantages that operations are simple; cost is low; adsorptionand degradation effects are good; and social and economic benefits are very high.

The invention discloses concentrated fertilizer for tuber vegetables with grapefruit flower honey taste. The concentrated fertilizer is prepared from, by weight, gibberellin, compound sodium nitrophenolate, diethylaminoethyl hexanoate, naphthylacetic acid, a tuberous root and tuber swelling agent, soya bean lecithin, sodium alginate oligosaccharide, sodium carboxymethylcellulose, vitamin C, spirulina micro powder, straw biochar, potassium tartrate, fresh water hyacinth pulp, humulus lupulus, composted rape seed cake powder, composted lemon pericarp, composted wheat straw powder, soybean isolate protein, rice bran, pericarpium zanthoxyli smashed branches, polyaspartic acid, edible grade graphene oxide, grapefruit flower honey, a chitosan aqueous solution and the like. The adopted functional grapefruit flower honey, the tuberous root and tuber swelling agent and vitamin C can assist in achieving cultivation of the tuber vegetables with the grapefruit flower honey taste, a nutrient solution and a main material prepared through composting are matched to prepare the fertilizer coated with outer layer coating liquid, and the concentrated fertilizer has the advantages of double release, rich nutrition, unique taste and efficient tuber vegetable cultivation.

A cellular electric fusion chip device based on a dispersed type side wall microelectrode array is composed of a cellular electric fusion chip and a flow path control layer. The cellular electric fusion chip is provided with a silicon substrate layer, a silicon dioxide insulating layer is arranged on the silicon substrate layer, a top layer low-resistivity silicon layer is positioned on the silicon dioxide insulating layer, a microchannel is disposed in the top layer low-resistivity silicon layer and enables the silicon dioxide insulating layer to serve as the bottom, and toothed side wall microelectrodes are oppositely arranged on two sides of the microchannel. Insulating isolation structures are adopted between the adjacent toothed side wall microelectrodes to separate low-resistivity silicon from the toothed side wall microelectrodes, the end face of the separated low-resistivity silicon is flush with the end faces of the toothed side wall microelectrodes so that the microchannel is a smooth channel. The chip guarantees that the toothed side wall microelectrodes array forms an un-uniform electric field in the microchannel, a smooth linear microchannel side wall is formed, and the problem of cell blockage caused by a traditional toothed microelectrode structure can be solved.

The invention discloses a production tubing which comprises a sleeve, wherein the horizontal segment of the sleeve is provided with two floating couplings, wherein each floating coupling comprises a shell, a fixed sleeve, an upper sliding sleeve and a lower sliding sleeve; the upper sliding sleeve consists of a communication part and a shearing part; the shearing part is supported on the upper segment of the inner wall of the fixed sleeve by virtue of an upper shearing nail; the lower sliding sleeve is supported on the lower segment of the inner wall of the fixed sleeve by virtue of a lower shearing nail; the communication part is arranged in the lower sliding sleeve; the communication part is provided with a leakage flow hole; the upper end surface of the shearing part is provided with a steady flow groove; the groove width of the steady flow groove decreases progressively and upwards along the axial direction of the shearing part. The sleeve is additionally provided with multiple floating couplings, the sleeve is filled with air; since the sleeve positioned below the floating couplings is filled with air, after the sleeve enters a horizontal well section, gravity applied to the horizontal well wall is alleviated, friction between the sleeve and the well wall decreases, and the thrust pushing the sleeve to move forward is decreased, so that production tubing is beneficial to improvement on the cementing quality of the horizontal section and capable of favorably feeding the sleeve to a design position.

The invention discloses a calcium magnesium silicate pipeline heat preservation layer convenient to install, which comprises a pipeline body, the surface of the pipeline body is uniformly coated with an anti-corrosion layer, the outer side wall of the anti-corrosion layer is provided with a calcium magnesium silicate heat preservation plate, and the calcium magnesium silicate heat preservation plate is respectively composed of a composite heat preservation layer, a heat insulation layer and a waterproof layer from inside to outside. Supporting pipes are arranged on the upper outer side wall and the lower outer side wall of the calcium magnesium silicate heat preservation plate, and fixing mechanisms are arranged on the left sides and the right sides of the two supporting pipes correspondingly. A positioning block and a positioning groove are arranged to form clamping connection, accurate positioning is facilitated, then a connecting block is lifted upwards to enable an L-shaped rod to be clamped in a concave block, therefore, two supporting pipes are rapidly fixed, installation is convenient, it can be guaranteed that the two supporting pipes extrude a calcium magnesium silicate heat preservation plate through the tension of a spring, and the heat preservation plate can be conveniently and rapidly fixed. The calcium magnesium silicate heat preservation plate can be attached to the pipeline body, heat loss of the pipeline body is reduced, and therefore the heat preservation effect of the pipeline body is improved.

The invention relates to the technical field of sanitary ware, and discloses a multifunctional wash stand cosmetic mirror capable of moving freely. The mirror includes a frame, and the right end of the frame is rotationally connected with a first gear; and the right end of the first gear is in engaged connection with a second gear through a fixing rod, a folding rod is movably installed at the right end of the second gear, a connecting rod is fixedly installed at the upper end of the folding rod, a movable column is movably connected to the connecting rod, and a first spring is fixedly installed between the movable column and the connecting rod. According to the device, a user rotates the mirror body, the oval wheel rotates in the movable wheel, the mirror body moves by 90 degrees, the rolling wheel moves on the movable groove body, after the mirror body rotates by 90 degrees, the rolling wheel enters a limiting groove in the movable groove body, at the moment, the mirror body is fixed, at the moment, the mirror can be used as a mirror, and the effect of free movement is achieved in cooperation with the action of the folding rod and the gear.

The invention relates to the field of extrusion presses and discloses a horizontal forging press base. The horizontal forging press base comprises a rack and a fixed support; the rack is formed by fixedly connecting two cross beams and a stand column located between the cross beams through a pre-tightening mechanism, the fixed support is located at the bottom of the first cross beam, and the rackis fixedly connected with the ground through the fixed support; the base further comprises a swing arm support; the swing arm support is arranged at the bottom of the second cross beam; and the swingarm support comprises a bearing seat, a horizontal rotating shaft and a swing arm supporting piece, the top of the bearing seat is fixedly connected with the second cross beam through bolts, a transverse horizontal rotating shaft is arranged in the bearing seat, the top of the swing arm supporting piece is fixedly connected with the horizontal rotating shaft, an arc-shaped plate is fixedly arranged at the bottom of the swing arm supporting piece, the arc-shaped plate and the horizontal rotating shaft are coaxial, and the bottom of the arc-shaped plate is in rolling connection with the ground.Horizontal additional loads generated by telescopic deformation of the rack on the base are eliminated through the rolling connection between the bottom of the arc-shaped plate and the ground, the stability of a machine body is improved when the forging press operates, and the service life of the base is prolonged.

The invention relates to the technical field of energy storage and charging, and discloses an energy storage and charging integrated system. Through the invention, on one hand, the energy storage characteristic can be utilized to reduce the power load of an AC power grid and power distribution equipment, break through the power limitation of original power distribution equipment and power grid infrastructure, and improve the use efficiency of power equipment in a charging place; and, on the other hand, the purpose of free flowing of energy among the power grid, the energy storage device and the electric vehicle can be achieved by switching multiple charging / feeding modes, multiple possibilities of energy management are provided, and the use efficiency of the internal converter is improvedto a great extent. In addition, an electric vehicle or an energy storage device can be used for reversely feeding the alternating-current power grid, therefore, electric energy is provided for alternating-current electric equipment of other users on an alternating-current power grid, an energy-saving electric vehicle battery performance detection mode is provided for the users by discharging the electric vehicle, the service diversity of charging equipment is provided, and the economic value is improved.

The invention discloses a flow string, which comprises a casing. Two floating couplings are arranged on the horizontal segment of the casing, the floating coupling comprises a shell body, a fixing sleeve, an upper sliding bushing and a lower sliding bushing. The upper sliding bushing comprises a communication portion and a cutting portion, the cutting portion is supported on the upper segment of the inner wall of the fixing sleeve through an upper cutting nail, the lower sliding bushing is supported on the lower segment of the inner wall of the fixing sleeve through a lower cutting nail, the communication portion is disposed in the lower sliding bushing, and a flow discharging hole is formed in the communication portion; a flow stabilizing groove is formed in the upper end face of the cutting portion, and the width of the groove successively decreases upward in the axial direction of the cutting portion. By installing a plurality of floating couplings on the casing, the casing is filled with air. Because the casing under the floating couplings is full of air, after the casing enters the horizontal well segment, the gravity force acted on the horizontal well wall is reduced, accordingly the friction between the casing and the well wall is decreased, the pushing force of pushing the casing to move forward is reduced, and therefore the improvement of well cementing quality of thehorizontal segment is facilitated, and the casing moving downward to the designed position is facilitated.

The invention relates to a cross-block chain data management system, comprising a communication gateway, a certificate center module, a block chain management module, a data retrieval module and a data processing module. The communication gateway is used for connecting to the block chain for data exchange. The certificate center module is responsible for the management of public and private keys;The block chain management module is responsible for maintaining the identity information of the cross-block chain data management system in the block chain, and the node identity information contained in each block chain; Responsible for docking with different types of block chains; Responsible for the management of data access rights between different block chains; Data retrieval module is responsible for retrieving and extracting according to the retrieval elements; Data processing module is responsible for processing the retrieved data to generate graphics data structure. Thus, the cross-block chain data management system of the invention processes the data contents distributed in different block chains according to the objective process of the development and evolution of the application data, and realizes data retrieval, data association and data integration among the closed block chains.

The invention discloses a U-shaped driver and belongs to the field of a driver. The U-shaped driver comprises a pipe ring, electromagnetic driving devices and a rotor, wherein the electromagnetic driving devices are symmetrically arranged on two sides of the pipe ring, the rotor is arranged in the pipe ring, and the electromagnetic driving devices are used for providing power for the rotor to do circular motion. The driver is simple in structure and convenient to use, the rotor does circular motion in the pipe ring, high-efficiency cyclic utilization can be achieved, internal acting is adoptedfor direct driving, compared with traditional reciprocating acting, indirect driving and material throwing driving, efficiency is improved by many times, by means of the device, turning, advancing, retreating and hovering of the driver can be achieved, the driver can be installed outside or inside an aircraft cabin, a plurality of devices can move in any track and space through cooperative use, the driver can further be used as a backpack for flying of people to be installed on an intelligent robot, and free displacement of the intelligent robot is achieved.

The invention discloses a horizontal well completion pipe string for medium and shallow oil reservoirs, including a casing, and two floating couplings are arranged on the horizontal section of the casing, and the floating couplings include a shell, an upper sliding sleeve and a lower sliding sleeve. The upper sliding sleeve is composed of a connecting part and a shearing part. The shearing part is supported on the upper part of the inner wall of the shell by the upper shearing nail. The lowering sleeve is supported on the lower part of the inner wall of the shell by the lower shearing nail. The connecting part is placed in the lowering sleeve. , and a discharge hole is opened on the connecting part; an annular stabilizing groove is opened on the upper end surface of the shearing part, and the groove width of the stabilizing groove decreases gradually along the axial direction of the shearing part. By adding multiple floating collars on the casing, the casing is kept full of air. Since the casing below the floating collar is filled with air, after this section of casing enters the horizontal well section, the gravity acting on the horizontal well wall is reduced. , the friction between the casing and the well wall decreases accordingly, and the thrust to push the casing forward also decreases, which helps to improve the cementing quality of the horizontal section and facilitates running the casing to the designed position.

The invention discloses a well completion pipe column. The well completion pipe column comprises a sleeve, two floating couplings are arranged on the horizontal segment of the sleeve, the floating couplings comprise shells, upper sliding sleeves and lower sliding sleeves, the upper sliding sleeves are composed of communication parts and shearing parts, the shearing parts are supported by the uppersegments of the inner walls of the shells through upper shearing nails, the lower sliding sleeves are supported by the lower segments of the inner walls of the shells through lower shearing nails, the communication parts are placed in the lower sliding sleeves, and drainage holes are formed in the communication parts; annular steady flow grooves are formed in the upper end surfaces of the shearing parts, and the widths of the steady flow grooves decrease upwards and progressively in the axial directions of the shearing parts. By additionally arranging the multiple floating couplings on the sleeve, the sleeve is always filled with air, due to the fact that the segment, below the floating couplings, of the sleeve is filled with the air, after the segment of the sleeve enters the horizontalwell segment, gravity on the horizontal well wall decreases, then friction force between the sleeve and the well wall decreases, and push force for pushing the sleeve to advance also decreases, so that the well completion pipe column is beneficial for improving the well cementing quality of the horizontal segment and is beneficial for the sleeve to be run to a designed position.

The invention discloses an integrated management and control information model for a metal processing production and operation process. The model comprises an industrial internet cloud database and a development platform formed by a unified digital information model, and is characterized in that on the cloud database of the industrial internet platform, various micro-service modules with business logic are constructed through a unified digital information model (the model comprises a unified identification code and a unified API (Application Program Interface), a metal processing industry application development platform is formed by a plurality of modules, and the modules are called on the platform to construct an integrated management and control system for business and production management of a service enterprise. The system establishes a unified description image for each link of enterprise production and operation on the cloud through an information model, perceives the production and operation behavior of the enterprise, and performs real-time association operation on all perceived enterprise operation data on the cloud by utilizing cloud computing, and all departments of the enterprise are directed to produce according to a big data optimization scheme obtained by cloud computing through a visual system.

The invention discloses a soft skeletal muscle driver based on a ferrofluid and an electromagnetic coil. Artificial skeletal muscle (I) is a cylindrical or semi-cylindrical shape, the interior of themuscle is in a grid hollow pipe design, and an artificial elastic fiber material is adopted; the ferrofluid (II) fills in the grid hollow pipe and can flow freely; the electromagnetic coil (III) is distributed on the surface of the artificial skeletal muscle (I), a flexible copper coil material is adopted, and the coil deforms and bends along with the artificial skeletal muscle (I); and the electromagnetic coil (III) is powered on and an magnetic field is generated, the ferrofluid (II) is promoted to be gathered in the different positions in the artificial skeletal muscle (I), the inner pressure is generated, bending and deformation of the artificial skeletal muscle (I) is achieved, and driving of soft skeletal muscle is achieved. Compared with current popular pneumatic artificial skeletalmuscle, the driver has the advantages of being high in controllability, light and convenient and no need of an extra pneumatic device.

The invention discloses a double-cylinder and double-outlet-rod flowing type magnetorheological damper. The double-cylinder and double-outlet-rod flowing type magnetorheological damper comprises a piston cylinder and an electromagnet cylinder; the piston cylinder and the electromagnet cylinder are both filled with magnetorheological fluid; a piston is arranged inside the piston cylinder; a pistonrod connected to the piston penetrates out of the piston cylinder in a sealed mode; cavities on two sides of the piston inside the piston cylinder communicate with the electromagnet cylinder through guide pipes; an electromagnet is arranged inside the electromagnet cylinder; and a magnetic conductive area generated by the electromagnet is used for controlling the magnetorheological fluid to generate the magnetorheological effect. Mounting of a special maintenance device is avoided, and the double-cylinder and double-outlet-rod flowing type magnetorheological damper has high reliability in theuse period compared with ordinary mechanical elements. Needed energy is extremely low, and even if energy is interrupted in an earthquake, the double-cylinder and double-outlet-rod flowing type magnetorheological damper still can be used as a passive energy dissipation device to continue to play a control role; and the magnetorheological fluid in the damper can achieve the alternate changes of free flow, viscous flow and semi-solid state by controlling the changes of an electric field and a magnetic field within the time of several milliseconds.

The invention discloses a self-cleaning road marking coating. 50-150 parts by mass of modified acrylic resin, 0.1-2 parts by mass of an accelerant, 1-10 parts by mass of inert oil and 10-50 parts by mass of a low-boiling-point and low-surface-tension solvent are mixed to form a component A; and 50-150 parts by mass of modified acrylic resin, 1-10 parts by mass of a curing agent, 1-10 parts by mass of inert oil and 10-50 parts by mass of a low-boiling-point and low-surface-tension solvent are mixed to form a component B. The modified acrylic resin is a mixture obtained by taking active monomer methyl methacrylate, butyl acrylate and hydroxypropyl methacrylate dissolved solid acrylic resin as a dispersion medium, adding inorganic filler and pigment nano titanium dioxide, and modifying the inorganic filler and the nano titanium dioxide with a silane coupling agent. On the premise of not increasing the surface smoothness of the road marking, the coating can realize the continuous and long-lasting self-cleaning effect of the road marking.