80results about How to "Easy to attach" patented technology

The invention relates to the technical field of medical instruments, in particular to a balloon delivery microcatheter and a using method thereof.The microcatheter comprises a handle, a balloon delivery pipe, a balloon delivery pipe and a balloon delivery pipe, the catheter body is connected with the handle, and the catheter body sequentially comprises a near-end tube, a balloon tube and a far-end tube from near to far; wherein the catheter body is of a double-cavity structure and comprises an inner cavity and an outer cavity, the inner cavity is a channel, one end of the inner cavity is communicated with the first connector, and the other end of the inner cavity penetrates to the end of the far-end tube and is used for conveying instruments, therapeutic drugs or diagnostic radiography liquid; one end of the outer cavity is communicated with the second connector, the other end of the outer cavity is communicated with the balloon tube, and the outer cavity is used for filling and pressure relief of the balloon tube. The balloon catheter has the functions of a micro catheter and a balloon catheter, a near-end blood vessel can be blocked, temporary blocking of local blood flow is achieved, the balloon catheter is further used for expanding the position, not attached to the wall, of an intravascular stent, the stent can be better attached to the blood vessel wall, and therefore pain and risks of a patient are reduced.

The invention relates to an AprilTag code-based surgical instrument tip positioning method, which comprises the following steps of: adding an octagonal prism with a plurality of AprilTag marks at the tail part of a surgical instrument, and calculating the accurate position of the tip of the surgical instrument in a camera coordinate system by combining image information captured by a camera. According to the method, high detection precision and stability of an AprilTag mark are utilized, a transformation relation between a tool and a camera coordinate system is determined through a calibration process, and high-precision and high-robustness surgical instrument positioning is realized by combining real-time pose detection and a nonlinear optimization algorithm. The problems that a traditional marker is prone to being shielded and low in operation flexibility are solved, and the positioning precision and reliability of a surgical navigation system are improved.

The invention discloses an electrical mutual inductor fusion type environment-friendly pole, and relates to the technical field of environment-friendly poles, the electrical mutual inductor fusion type environment-friendly pole comprises a device main body and a port short column, the port short column is fixedly connected to the device main body, and the electrical mutual inductor fusion type environment-friendly pole further comprises a device protection mechanism, the device protection mechanism is composed of a cylinder surface self-protection assembly and a port sealing protection assembly, the cylinder surface self-protection assembly is located on the same vertical line of the device body, and the protection air bag is designed to be in a telescopic shape similar to a corrugated pipe. According to the design of the shape, storage can be carried out as much as possible in an inner cavity formed by the small arc-shaped groove piece A and the arc-shaped groove piece B, it can be effectively guaranteed that a protected piece, namely a device body, can be completely wrapped after the protective air bag is expanded, meanwhile, the design similar to a corrugated pipe is different from randomness when a traditional air bag is expanded, and the protection effect is good. Under the limitation of the shape of the corrugated pipe, the ballooning protective air bag has ballooning directivity, and the use stability is high.

The invention discloses a food packaging film sealing machine, and relates to the technical field of film sealing machines, the food packaging film sealing machine comprises a film sealing rack, the top of the film sealing rack is provided with a belt conveying rack, the top of the inner side of the film sealing rack is fixedly connected with two sets of suspension brackets, and the inner side of each set of suspension bracket is rotationally connected with a fixed roller; and a packaging film is wound between the two fixed rollers. According to the food packaging box, through cooperation of parts such as the gas outlet channel, inert gas is input into the gas outlet channel from the hose and then blown out of the gas outlet of the gas outlet channel, water stains and other stains on the surface of the food packaging box are removed, and the clean surface is beneficial to tight attachment between the packaging film and the food packaging box; the purging of the inert gas ensures that no impurity interference exists in the packaging area, so that the heat sealing head can uniformly and effectively heat and press the packaging film, and the sealing performance and firmness of packaging are improved.

The utility model discloses a coal mining wet-type dust removal device, and particularly relates to the technical field of cleaning devices, the coal mining wet-type dust removal device comprises an assembly cylinder, a fixed seat, a rotating bearing, a water inlet pipe, a sealing ring, a sealing cover and a control assembly, the assembly cylinder is connected with the fixed seat through the rotating bearing, water is introduced into the water inlet pipe to form water pressure, and an assembly pipe is arranged in an assembly window of the control assembly; the atomizing head on one side sprays out water mist under water pressure, the rotating twisting wheel can achieve rotary atomizing spraying, the water mist can cover the space more comprehensively, the dust contact area is increased, dust is better attached to the water mist, the dust removal effect is improved, the two ends of the rotating roller in the mounting groove in the inner wall of the assembly window are sleeved with coil springs, clamping and fixing of the assembly pipe are achieved, and the dust removal effect is improved. And by means of the rotating roller and the limiting base structure, the spraying area of the atomization head can be conveniently adjusted according to the actual situation, the device adapts to different mining areas and dust distribution, and the adaptability and practicability of the device are improved.

The utility model discloses a glue spreading structure for AB glue in a curved-surface tempered film, which relates to the technical field of curved-surface tempered films and comprises a curved-surface tempered film, an AB glue layer and a PC (polycarbonate) back plate, the four edges of the curved surface tempered film are bent towards the release surface of the curved surface tempered film to form a curved surface, the curved surface tempered film covers and presses the PC back plate, the PC back plate is convexly provided with a convex step towards the direction of the curved surface tempered film, the convex surface of the convex step is attached to the release surface of the curved surface tempered film, and the convex surface of the convex step is attached to the release surface of the curved surface tempered film. The side faces of the periphery of the convex step are all attached to the curved surface of the periphery of the curved surface tempered film. The AB adhesive layer comprises a silica gel film, a base material, an OCA optical adhesive and a release film which are laminated, the silica gel film is attached to the release surface of the curved-surface tempered glass film, AB adhesive can be uniformly distributed on the curved-surface tempered glass film, and the formation of height difference and generation of gaps are avoided, so that the curved-surface tempered glass film can be completely attached to a mobile phone screen, and the service life of the mobile phone screen is prolonged. The problem of unbalanced glue spreading of the AB glue layer on the release surface of the curved-surface tempered film is solved, and the curved-surface tempered film is convenient to use.

The utility model relates to the technical field of greening irrigation, and discloses a buried irrigation device which comprises a buried pipe, a cleaning mechanism is arranged in the buried pipe, a water spraying pipe is fixedly connected to the top end of the buried pipe, an auxiliary mechanism is arranged outside the water spraying pipe, and a protection mechanism is arranged at the top of the water spraying pipe. Through the arrangement of the protection mechanism, during use, through cooperative use of a circular ring seat, a telescopic rod, a protection cover, a second spring, a positioning plate and a positioning groove, when irrigation is not carried out, a water spraying part of a water spraying pipe can be protected, foreign matter is prevented from entering the water spraying part to cause blockage, and water delivery irrigation can be well carried out conveniently; when in use, the firmness between the water spraying pipe and the buried pipe is enhanced through the circular ring plate and the auxiliary column, so that the situation that the joint between the water spraying pipe and the buried pipe is pressed by large-size objects such as stones in the ground is avoided.

The utility model relates to the field of rubber sealing ring detection, in particular to a rubber sealing ring deformation resistance detection testing device, which comprises a base frame main body, a supporting table is fixedly connected to the front end of the bottom table body, the limiting frame is installed at the upper end of the supporting table, a power motor is installed on the inner side of the supporting table, a threaded rod is installed on a rotating shaft of the power motor through a coupler, and the outer side of the threaded rod is in threaded connection with the lifting table; the limiting frame is installed through the bottom table body and the supporting table, the power motor is used for driving the threaded rod to rotate so as to be matched with the supporting table to drive the lifting table to ascend and descend, the limiting frame is matched with the rotating frame to enable the limiting block and the stretching tables to move on the horizontal plane, and the four stretching tables are used for supporting the inner edge of the rubber sealing ring. Therefore, the opening degree during tension deformation observation is improved, a tester can conveniently observe in all directions, a strain gauge can be conveniently attached to the rubber sealing ring, and the use convenience and the observation test effect of the device are improved.

The present invention discloses a picking arm mechanism, including a rigid component and a flexible component, wherein the rigid main arm and the adjusting arm do not directly contact the target object to be picked up, and the main arm and the adjusting arm can pull the flexible component, and while the flexible component contacts the target object to be picked up and picks up the object, the rigid component adjusts the angle between the main arm and the adjusting arm to ensure that the flexible component is in full contact with the target object to be picked up, thereby improving the working stability of the flexible component of the picking arm mechanism during picking up and subsequent handling. The present invention also provides a picking device, including the above-mentioned picking arm mechanism and a driving component, wherein the main arm is connected to the driving component, and the flexible component is connected to other structures of the robot, and the driving component can drive the picking arm mechanism to move, and the main arm and the adjusting arm rotate relative to each other to adjust, tension and support the flexible substrate, and the flexible component can adapt to the special-shaped target object to be picked up, thereby ensuring the stable picking up of the picking arm mechanism and reducing the control difficulty of the picking device.

The invention belongs to the technical field of soft magnetic material preparation, and particularly relates to an iron-silicon magnetic material and a preparation method and application thereof. The preparation method comprises the following steps: (1) mixing iron-silicon magnetic powder with a passivator, and cooling to room temperature at a speed of not higher than 30 DEG C / h after primary heat treatment; (2) mixing the magnetic powder obtained in the step (1) with a passivating agent to obtain passivated magnetic powder; (3) adding a first coating agent into the passivated magnetic powder to carry out primary coating and secondary heat treatment; (4) adding a second coating agent into the magnetic powder obtained in the step (3) to carry out secondary coating, pressing and third heat treatment; the average particle size of the first coating agent is 300 nm to 1 [mu] m; the second coating agent comprises colloidal particles, and the average particle size of the colloidal particles is not higher than 100 nm. According to the preparation method, the density and effective magnetic conductivity of the iron-silicon magnetic material can be improved, the iron-silicon magnetic material has excellent magnetic performance, loss is greatly reduced, heat is reduced, and energy conservation and high efficiency of devices are facilitated.

The present application provides a flexible photovoltaic power generation device, including a flexible photovoltaic component and a flexible cover, wherein the flexible photovoltaic component includes a first surface and a second surface relative to each other; the flexible cover includes a bearing portion, a fixing portion and a telescopic portion, wherein the bearing portion is disposed on one side of the first surface of the flexible photovoltaic component and is fixedly connected to the first surface; the fixing portion is at least partially arranged around the edge of the bearing portion, and extends from the edge of the bearing portion along the direction of the first surface of the flexible photovoltaic component to define a receiving space, wherein the receiving space is used to receive a mounting portion so that the flexible photovoltaic power generation device is sleeved on the mounting portion; the telescopic portion is at least partially arranged around the edge of the fixing portion, and the telescopic portion is configured to form an opening that can be expanded or tightened at the edge of the fixing portion. The flexible photovoltaic power generation device provided by the present application can simplify the structure of the flexible photovoltaic power generation device, facilitate the installation and disassembly of the flexible photovoltaic power generation device, and reduce the installation cost of the flexible photovoltaic power generation device.

The application belongs to the technical field of soft magnetic material preparation, and particularly relates to a ferrosilicon magnetic material and a preparation method and application thereof. The preparation method comprises the following steps: (1) mixing ferrosilicon magnetic powder and a passivation agent, and then performing primary heat treatment and cooling to room temperature at a speed of not higher than 30 DEG C / h; (2) mixing the magnetic powder obtained in the step (1) with the passivation agent to obtain passivated magnetic powder; (3) adding a first coating agent to the passivated magnetic powder to perform primary coating, and then performing secondary heat treatment; and (4) adding a second coating agent to the magnetic powder obtained in the step (3) to perform secondary coating, pressing, and then performing tertiary heat treatment. The average particle size of the first coating agent is 300 nm-1 mu m; and the second coating agent comprises colloidal particles, and the average particle size of the colloidal particles is not higher than 100 nm. The preparation method can improve the density and effective magnetic permeability of the ferrosilicon magnetic material, so that the ferrosilicon magnetic material has excellent magnetic performance, the loss is greatly reduced, heat generation is reduced, and the device is beneficial to energy saving and high efficiency.

The invention discloses an in-wheel generator for a vehicle. The in-wheel generator includes: a stator configured to be coupled to a non-rotating main shaft of a vehicle; and a rotor configured to be indirectly coupled to a rotating hub of the vehicle. The in-wheel generator is configured to be disposed outside the rotating hub. The invention further discloses a vehicle comprising the in-wheel generator and an auxiliary unit system for a trailer, wherein the auxiliary unit system is used for supplying power to the auxiliary unit through the in-wheel generator.

The invention relates to the technical field of coal mines, and discloses a coal mine overlying strata separation layer grouting device and a coal mine overlying strata separation layer grouting process. The coal mine overlying strata separation layer grouting device comprises a quaternary unconsolidated formation, a rock stratum is arranged below the quaternary unconsolidated formation, and an overlying strata separation layer space is arranged below a key layer with large thickness and high strength in the rock stratum; drilling grooves communicating with the overlying strata separation space are formed in the quaternary unconsolidated formation and the rock stratum, mounting grooves communicating with the drilling grooves are formed in the top end of the quaternary unconsolidated formation, a sleeve is inserted into the drilling grooves in a penetrating mode, the bottom end of the sleeve extends into the overlying strata separation space, and a grouting auxiliary assembly is installed at the inner bottom end of the sleeve; a stabilizing assembly connected with the mounting groove is mounted at the top end of the sleeve; through the design of the stabilizing assembly, the sleeve can be fixedly installed, the problem that grouting is interrupted due to the fact that the sleeve moves upwards due to the fact that the internal air pressure is increased when grouting is conducted in the overlying strata separation layer space is solved, and the grouting stability and the grouting safety are improved.

The invention relates to the technical field of light-emitting chip packaging, in particular to a preparation method of a packaged lamp bead, the packaged lamp bead and a display module, and the preparation method of the packaged lamp bead comprises the following steps: providing a reflector plate, a color changing plate and a flip chip, cutting the reflector plate to form array cup holes, and attaching the array cup holes to the color changing plate; the flip chip comprises a substrate and an LED chip arranged on the substrate in an inverted mode. According to the array cup holes, alignment cutting is carried out on the color changing sheet pasted with the cut reflection sheet, and a plurality of light-blocking color changing structures are obtained; each light blocking and color changing structure is provided with a cup hole; and attaching the light-blocking and color-changing structure to the LED chip, so that the cup hole is buckled with the LED chip to obtain the packaged lamp bead. The packaging cost of the white light LED is broken through downwards under the existing condition, so that the packaging cost of the white light LED is lower.

The utility model belongs to the technical field of packaging equipment, and particularly relates to a winding packaging machine which comprises a machine frame provided with a pressure bearing rotating disc, an adhesive tape output mechanism installed on the outer diameter of the pressure bearing rotating disc, a cutting mechanism installed on the machine frame and used for cutting off output adhesive tape and a winding mechanism installed on the machine frame and used for winding the adhesive tape. The reset mechanism is used for detecting whether the adhesive tape output mechanism is reset; the adhesive tape is output through the adhesive tape output mechanism, goods are packaged through the pressure bearing rotating disc, the adhesive tape is cut off through the tape cutting mechanism, then the position of the adhesive tape output mechanism is detected through the reset mechanism, resetting is facilitated, manual operation is effectively reduced, the automation degree is increased, and convenience and efficiency are improved.

The invention discloses a building panel attaching device, comprising a control ring, a driving rod rotatably connected to the middle part of the control ring, a positioning rod symmetrically connected to the side end surface of the control ring, a holding rod movably arranged at one end of the positioning rod away from the control ring, an adsorption mechanism for negative pressure adsorption of the decorative panel fixedly connected to the lower end of the control ring, a movable sealing chamber provided inside the adsorption mechanism, a piston plate slidably connected inside the movable sealing chamber, the driving rod penetrates the control ring and extends to the inside of the movable sealing chamber and is drive-connected to the piston plate, and a sealing ring is embedded in the bottom of the adsorption mechanism. The device can ensure the stability of large-area objects such as wooden boards, tiles, etc. when being attached, is easy to operate, and has high attachment safety.

An embolic protection device includes a frame, an edge filter screen, and a plurality of supporting rods that are arranged at intervals. Each supporting rod includes a first tail end, a second tail end, and at least one head end that faces a distal end. The first tail end and the second tail end are separately connected to two opposite sides of the frame. The first tail end and the second tail end separately form a first line segment and a second line segment with the head end. The first line segment extends in a direction from the first tail end to the head end and gradually moves away from the frame, and the second line segment extends in a direction from the second tail end to the head end and gradually moves away from the frame, such that the plurality of supporting rods support the edge filter screen, which covers the plurality of supporting rods, in a direction facing away from the frame.

The utility model provides a metal sealing bonding pad, a sealing structure, a battery assembly and a capacitive type lithium battery, a mounting cavity is formed in a sealing column of the metal sealing bonding pad, the mounting cavity is used for accommodating a welding position of a tab and a terminal of the capacitive type lithium battery, and the side wall of the mounting cavity is also used for sealing and welding with the tab of the capacitive type lithium battery; the first clamping sealing part is arranged at the press-in end of the sealing column; the second clamping sealing part is arranged at the pressing end of the sealing column and forms a clamping sealing cavity with the first clamping sealing part, and the clamping sealing cavity is used for clamping and fixing a sealing ring of the capacitive lithium battery. When the metal sealing pad is used, the metal sealing pad clamps and fixes the sealing ring and can be tightly attached to the sealing ring, the sealing performance of connection between the metal sealing pad and the sealing ring is improved, the structure is simple, the assembling efficiency is high, the cost is low, the sealing performance is good, and protection on the welding position of the electrode lug and the terminal of the capacitive lithium battery is improved.

The utility model relates to the technical field of film covering of foot pads, in particular to rolling and film covering equipment for anti-skid foot pads. According to the technical scheme, the film laminating device comprises a film laminating box, an inlet pipe and an outlet pipe are fixedly installed on the two sides of the outer surface of the film laminating box respectively, a film laminating roller and a driven roller are rotatably installed in the film laminating box, and transparent covers are fixedly installed on the two sides of the upper surface of the film laminating box respectively; and a film roll and a winding roller are rotationally installed in the two transparent covers correspondingly, communicating openings are formed in the positions, located below the two transparent covers, of the upper surface of the film covering box, a hollow scraping plate is rotationally installed in an inlet pipe, and an air outlet is formed in the outer side of the hollow scraping plate. According to the utility model, before a calendering film is coated on the surface of the anti-slip foot pad, dust, impurities and production chippings adhered to the surface of the anti-slip foot pad are removed, so that the calendering film can be better adhered to the surface of the anti-slip foot pad, the generation of bulges and bubbles is prevented, and the film coating quality is improved.

The invention discloses a flexible antenna automatic bending multi-surface bonding machine, which relates to the field of bending and bonding of antennas on smart wearable products and mobile electronic products. The machine comprises a stripping device arranged on a frame for stripping the antenna from a protective film, an antenna feeding device for feeding the antenna stripped by the stripping device, an antenna transfer device, a bending device for bending the antenna, a bonding device for bonding the bent antenna to a product, and a product feeding device located on one side of the bonding device, which are respectively arranged on the frame; the bonding device comprises a third driving device, a vacuum suction nozzle transmission-connected to the third driving device, and a side bending assembly transmission-connected to the third driving device and used for bending the side of the antenna; the invention solves the technical problems of low efficiency and large human error in the prior art of bending and bonding by manual work during antenna installation.

The utility model discloses an anti -drop fixing assembly of anaesthetic breathing pipeline relates to medical instrument technical field, including the installation mainboard, the surface fixed setting of installation mainboard has guide slot and guide rail, and two groups of support components are simultaneously swinged and connected on guide slot and guide rail, the back of installation mainboard swinged and connected has the clamping plate and sucking disc, the back fixed connection of support component has guide tailstock, and guide tailstock is swinged and inserted into guide slot simultaneously. Through guide slot and guide rail reach the effect that the support component whole is convenient for the horizontal sliding adjustment of along its on the surface of installation mainboard, through the sucking disc reach the effect that the whole device and external plane are convenient for adsorbing and connecting, through the clamping plate of turning over setting reach the effect that the whole device and external plane are convenient for clamping and fixing, and the sponge buffer layer of setting on its back is convenient for the whole device to provide protection buffer when adsorbing and connecting through the sucking disc and external plane.

The utility model discloses an adsorption type phototherapy instrument, which comprises a shell, an electric control board and an adsorption assembly, and is characterized in that the shell is provided with a bottom surface and a top surface which are back to back, and a first chamber is formed in the shell; the electric control board is arranged in the first chamber, the electric control board is electrically connected with a light-emitting unit, and the light-emitting end of the light-emitting unit is arranged towards the bottom surface; the adsorption assembly comprises a plane part and at least one soft rubber suction cup which are of an integrated structure, so that the soft rubber suction cup is arranged on the bottom face through the plane part, and the soft rubber suction cup is provided with a bottom, a top and a vacuum cavity extending from the bottom to the top. The service life is remarkably prolonged, the adsorption performance of the soft rubber suction cup is still good after repeated use, replacement is not needed, consumables and the purchase cost of a user are reduced, and the product is light, small in size, convenient to store and carry, simple in overall structure, beneficial to attachment and phototherapy use and good in user experience.

The invention relates to a method of manufacturing an artificial turf (600, the method comprising: - creating (102) fluid polyurethane mass (210), the creation comprising reacting first and second polyols with an isocyanate, ▪the first polyol being a polyether polyol and / or a polyester polyol having at least 2 hydroxyl groups per molecule, the second polyol being polybutadiendiol; ▪the isocyanate comprising isocyanate monomers, isocyanate polymers or isocyanate prepolymers or a mixture thereof, the isocyanate monomers, isocyanate polymers and the isocyanate prepolymers having two or more isocyanate groups per molecule; - incorporating (104) an artificial turf fiber (501) into a carrier (308) such that a first portion (302) of the fiber protrudes to the front side of the carrier and that a second portion (506) of the fiber is located at the back side of the carrier; and - adding (106) the fluid polyurethane mass on the back side of the carrier; and - hardening (108) the fluid polyurethane mass.

The utility model relates to the technical field of tassel manufacturing, and particularly discloses a tassel manufacturing stretching springback structure which comprises a winding frame, a sleeving frame is fixedly connected to one side of the inner wall of the winding frame, an electrifying device body is fixedly connected to one side of the inner wall of the sleeving frame, one end of the electrifying device body is electrically connected with an iron core, and the other end of the electrifying device body is electrically connected with the iron core. One side of the sleeving frame is fixedly connected with a connecting sleeve; through the arrangement of the electrifying device body, the iron core, the telescopic rod, the negative pole magnetic attraction block, the assembly disc and the extension spring, the electrifying device body is formed by connecting the electrically connected iron core with a power supply, so that the iron core is electrified to form a positive pole magnetic attraction block, and the negative pole magnetic attraction block is arranged at the tail end of the telescopic rod, so that the negative pole magnetic attraction block is connected with the iron core on one side in an adsorption manner; when the magnets are disconnected, the assembly disc can be stretched forwards through stretching of the stretching springs on the periphery, balance is controlled through the telescopic rods, and therefore the effect of stably stretching the assembly disc is achieved, and stable control over the assembly disc is facilitated.

The invention discloses a release protective film and a manufacturing method thereof. The manufacturing method of the release protective film comprises the following steps: preparing a resin material; the resin material is subjected to a calendering step and a stretching step to form a resin film layer; and using an embossing wheel to form patterned embossing with the depth of 1-5 microns on the resin film layer so as to prepare the release protective film. Wherein the resin material comprises a polyolefin material and petroleum resin. Based on 100 parts by weight of the polyolefin material, the addition amount of the petroleum resin is 5-20 parts by weight. The release protective film can be prepared by a simple process, and has the characteristics of high structural strength and low release force.

The application discloses a VHB adhesive attaching device, which comprises a platform and a bearing table, a fixed pipe is fixedly arranged on the platform, a rotating pipe is fixedly arranged on the bearing table, and a fixed block is rotationally connected with the rotating pipe; a plurality of bases are fixedly arranged on the bearing table, an intermediate rod is slidably arranged on each of the bases, a clamping rod is slidably arranged on the intermediate rod, the clamping rod is fixedly provided with a polygonal block, a first guide groove is arranged on the base, and the polygonal block is slidably arranged in the first guide groove; the plurality of clamping rods are arranged to clamp the finished product, so that the stability of the finished product in the rotating process is ensured, excessive friction is avoided, and the phenomenon of scratching is avoided; meanwhile, when the bearing table rotates with the finished product, the clamping rod on one side of the finished product attached to the bearing table is separated from the finished product and avoids the finished product, so that the back adhesive of the edge of the finished product is attached.

The invention discloses an anti-freezing agent for bulk ores transported by an automobile and a preparation method of the anti-freezing agent. The raw materials comprise the following components in parts by weight: 20-60 parts of water, 2-4 parts of sodium metaaluminate, 2-6 parts of urea, 4-6 parts of slow-release water-reducing anti-freezing microspheres, 4-8 parts of an air entraining agent, 2-6 parts of modified calcium sulfate whiskers, 2-8 parts of organic silicon modified nano titanium dioxide dispersion liquid, 2-6 parts of amino acid, 2-10 parts of a preservative and 4-8 parts of an adhesive. The invention belongs to the technical field of anti-freezing agents, and aims to solve the problem of limited corrosion resistance of anti-freezing agents in the prior art. The anti-freezing agent has the technical effects that the anti-corrosion performance of the anti-freezing agent can be improved by adding the preservative, and the service environment of the anti-freezing agent can be expanded by improving the anti-corrosion performance of the anti-freezing agent, so that the service life of a coating formed by the anti-freezing agent can be prolonged to a certain extent.