50results about How to "Stop erosion" patented technology

The invention discloses a method for improving the efficiency of a perovskite solar cell, and belongs to the technical field of solar cells. The insulating spacer film prepared between the electron transport layer and the perovskite layer of the perovskite solar cell by adopting the electron beam evaporation method has high uniformity, the cell interface structure can be optimized, defects are reduced, charge recombination loss is reduced, and the photoelectric conversion efficiency and stability are effectively improved. The insulating spacer layer not only can block external moisture and pollutants, reduce direct contact between the perovskite layer and the electron transport layer and prolong the service life of the cell, but also can inhibit internal ion migration and slow down performance degradation. By accurately regulating and controlling the thickness of the insulating spacer layer, charge transmission optimization and compound loss minimization are realized. An innovative technical path is provided for research and development of efficient and stable perovskite solar cells, and further development of the solar cell technology is expected to be promoted.

The invention relates to the technical field of high polymer materials, and discloses an antibacterial polyethylene composite material which comprises the following raw materials: polyethylene, maleic anhydride grafted polyethylene, a composite antibacterial filler, furyl silicone rubber, an antioxidant, an ultraviolet light absorber, a plasticizer, a stabilizer and a lubricant. The composite antibacterial filler and the furyl silicone rubber are prepared to participate in the preparation process of the polyethylene composite material, so that the prepared polyethylene composite material has excellent antibacterial effect, corrosion resistance, wear resistance and toughness, also has a good hydrophobic effect, can effectively prevent bacterial erosion, and has a good antibacterial effect. The use requirements in the fields of medical instruments, food packaging and the like are met, and the service life is long.

The invention discloses an anti-aging and anti-corrosion coating and a preparation method thereof, and relates to the technical field of coatings. When the anti-aging and anti-corrosion coating is prepared, firstly, tetramethyl tetravinyl cyclotetrasiloxane, n-butyllithium and dimethyl-3-chloropropyl chlorosilane react to obtain modified polysiloxane, then 4-vinylpyridine, methyl methacrylate and n-butyl acrylate are copolymerized and then react with the modified polysiloxane, and then bis (4-chlorphenyl) phosphine is grafted to obtain the anti-aging and anti-corrosion coating. Finally, reacting with p-aminodiphenylamine to obtain modified acrylic resin; secondly, enabling the titanium dioxide nanosheet pretreated by 3-aminopropyltrimethoxysilane to react with ester phthalocyanine, and then hydrolyzing to obtain a modified titanium dioxide nanosheet; finally, mixing the modified acrylic resin, the modified titanium dioxide nanosheet, a solvent, a dispersing agent and a defoaming agent to obtain the anti-aging and anti-corrosion coating. The anti-aging and anti-corrosion coating prepared by the invention has excellent anti-aging, anti-corrosion, flame-retardant and antibacterial properties.

The invention provides a polymeric monomer, a solid electrolyte, a preparation method of the solid electrolyte, a lithium ion battery and electric equipment, and relates to the technical field of lithium ion batteries. The structural formula of the polymeric monomer is # imgabs0 #, wherein R0 is selected from saturated alkyl, unsaturated alkyl, aryl and a group containing non-carbon atoms; r1, R2, R3, R4, R5 and R6 each independently comprise an acrylic acid group or a hydroxyl group. The polymeric monomers are efficiently cross-linked to form a three-dimensional network, and the polymeric monomers can improve the thermal safety performance of the battery and also can reduce side reactions between an electrode and an electrolyte.

This invention provides a halide solid electrolyte and its preparation method, belonging to the field of solid electrolyte technology. First, alkylphosphonic acid is reacted with lithium carboxylate to prepare lithium-ionized alkylphosphonic acid. Then, the lithium-ionized alkylphosphonic acid is mixed with a halide electrolyte, and the mixture is dispersed in a solvent, stirred, filtered, and dried to obtain a halide solid electrolyte coated with lithium-ionized alkylphosphonic acid. This invention constructs a dense, uniform hydrophobic protective layer on the surface of halide electrolyte particles through in-situ coating with long-chain lithium alkylphosphonate, effectively isolating moisture and oxygen from the environment and significantly improving the air stability of the halide electrolyte. Simultaneously, this coating layer helps reduce the interfacial impedance between the electrolyte and electrode materials, optimizing the overall ionic conductivity of the material.

The utility model relates to the technical field of LED street lamps, in particular to an LED street lamp with a heat dissipation structure convenient to install. The LED street lamp convenient to install the heat dissipation structure comprises a shell, installation frames, a light bar and the like, the installation frames are fixedly connected to the left side and the right side of the bottom of the shell, the light bar is installed on the upper portion of the right wall of the shell, a solar panel is installed on the top of the shell, a draught fan is installed on the upper portion in the shell, and the draught fan, the light bar and the solar panel are all electrically connected. Hot air is dissipated through the draught fan and the square holes, then residual heat is taken away through the natural cooling effect and the evaporation process of rainwater in the hollow plate, and therefore the temperature of the street lamp is effectively reduced, environment protection and energy conservation are achieved, manual liquid supplementing is not needed, and the street lamp has the advantages of being high in cost benefit, high in adaptability and the like. Opening and closing of the square hole are controlled through the baffle, so that rainwater is prevented from continuously entering the shell from the square hole in rainy seasons, rainwater erosion is effectively prevented, and a circuit is protected from being affected.

The invention relates to the technical field of anti-corrosion pigments, in particular to a long-acting anti-corrosion pigment and a preparation method thereof. The long-acting anti-corrosion pigment is prepared from the following raw materials in parts by weight: 40 to 60 parts of attapulgite, 10 to 30 parts of zinc phytate, 5 to 10 parts of zirconium oxide, 1 to 3 parts of silane coupling agent, 8 to 15 parts of lanthanum ricinoleate and 5 to 10 parts of modified Ti3C2Tx nanosheet. The long-acting anti-corrosion pigment disclosed by the invention is prepared from the following components: lanthanum ricinoleate, modified Ti < 3 > C < 2 > T < x > nanosheets and the like. The lanthanum ricinoleate and the modified Ti3C2Tx nanosheet can effectively improve the corrosion resistance of the pigment. The obtained pigment has excellent corrosion resistance, and experimental results show that the acid resistance of the obtained pigment is larger than 36 d, the alkali resistance of the obtained pigment is larger than 32 d, the salt water resistance of the obtained pigment is larger than 45 d, and the salt fog resistance of the obtained pigment is larger than 20 d.

The utility model discloses a novel anti-pulling anchor rod pile structure, which belongs to the technical field of pile foundations and is characterized in that a novel anti-pulling anchor rod pile is divided into an expanded anchoring section and a common anchoring section and penetrates through a central rod body of a pile body, and a sleeve is arranged outside the rod body. The expanded anchoring section is a connecting part of the rod body inserted into the reinforcing steel bar clamping groove disc and the umbrella-shaped reinforcing steel bar mesh A; the common anchoring section is a part where the rod body is inserted into the steel bar clamping groove disc and connected with the umbrella-shaped steel bar mesh B; the reinforcing steel bar clamping groove disc is fixed on the rod body through a nut; the steel plate A is fixed to the pile top through the high-strength nut, and the spring and the steel plate B are sleeved with the top of the rod body. And after the anchor rod pile is put down, the steel wires are adjusted, and the reinforcing mesh A and the reinforcing mesh B fill the expanded anchoring section and the common anchoring section in an umbrella shape. The anchor rod pile is simple in structure, and the pulling resistance of the anchor rod pile is improved by enlarging the pulling resistance of the anchoring section and the friction force between the common anchoring section and the soil body; the durability of the pile body is improved through the sleeve; applying prestress through the steel plate A; foundation steel bars are connected with springs, and the anchoring force of the pile and the foundation is improved.

The utility model relates to the technical field of electromagnetic compatibility laboratories, and discloses a wave-absorbing material structure for an EMC electromagnetic compatibility laboratory, which is characterized in that the inner side of a drying plate is provided with a rubber ring, the side surface of the drying plate is provided with a dehumidifying plate, the side surface of the dehumidifying plate is provided with a reinforcing plate, the outer side of the dehumidifying plate is provided with a moisture-proof layer, and the side surface of the moisture-proof layer is provided with a sealing layer. According to the wave-absorbing material structure for the EMC electromagnetic compatibility laboratory, a circular groove, corresponding to the inner side of a rubber ring, of a wave-absorbing material body is in limiting installation with a protection frame and an upper protection frame, a dehumidification plate drives a reinforcing plate to be installed corresponding to limiting grooves in the inner sides of the protection frame and the upper protection frame, and the side end of the dehumidification plate is attached to the side wall of a drying plate; when the protection frame and the upper protection frame are closed, the plates on the inner side are shaped and filled, meanwhile, the sealing performance in the frame can be improved through attachment between the rubber patches, then moisture is prevented from entering the frame to erode the wave-absorbing material body, and therefore the dehumidification effect is achieved.

The utility model relates to the technical field of water and soil loss treatment, in particular to a slope protection device which comprises a slope protection net, the slope protection net comprises fixing piles, pull ropes and slope protection vegetation, the pull ropes are arranged to be of a latticed structure and cover a slope soil body, the fixing piles are arranged at the joints of the latticed structure formed by the pull ropes, one ends of the fixing piles are fixed in the slope soil body, and the other ends of the fixing piles are fixed in the slope soil body. The other ends of the fixing piles are connected with nodes of a latticed structure, and slope protection vegetation is arranged in grids of the latticed structure; the fixing pile comprises a pile body and a protective layer covering the pile body. According to the slope protection structure, the grid-shaped structure formed by the pull ropes can be fixed to the slope through the arranged fixing piles, and the strength of the fixing piles can be improved through the protection layers arranged outside the fixing piles. The protective layer can reduce corrosion and solarization on the fixing pile. The protective layer can effectively block erosion of harmful factors, the service life of the fixing pile is prolonged, and the maintenance cost is reduced.

The utility model provides a safety dial for a double-end LED straight tube, which relates to the technical field of electrical elements and comprises a dial switch body. Two groups of pins are symmetrically arranged on the bottom end surface of the dial switch main body; the two groups of pins are parallel to each other; the top end surface of the dial switch main body is provided with a group of dial buttons; a sliding seat is arranged on the top end surface of the dial switch main body; the top end face of the sliding base is rotationally connected with a protective shell. The protective shell is aligned with the position of the shifting button; and the lower part of the dial switch main body is arranged in an anti-collision plate. A sliding seat 107 is shifted to move, then a control rack drives a control gear to rotate through a series of transmission, a protective shell is turned over, a shifting button is exposed to facilitate operation of a worker, and the problems that when the worker operates a double-end LED straight pipe or peripheral equipment thereof, the worker is prone to mistakenly touching a safe dial code, and the safety of the worker is affected are solved. Therefore, the problem that the state of the double-end LED straight tube is changed is solved.

The utility model discloses a fixing frame of a noise pollution microphone, which relates to the technical field of microphone fixing and comprises a supporting part and a clamping part. The supporting part comprises a supporting seat, supporting legs and the like, the supporting legs can be expanded to increase the supporting area by supporting linkage structures such as adjusting knobs, and an arc-shaped groove in the bottom of the supporting part can increase the ground friction force. The clamping part is adjustably arranged on the supporting seat, the height is adjusted through the first clamping adjusting knob, the angle and direction of the microphone are adjusted through the cooperation of the second clamping adjusting knob and a related structure, the microphone can be stably clamped through the silica gel material on the clamping block, and the top clamping baffle can prevent rainwater erosion. The fixing frame solves the problems that an existing fixing frame is insufficient in stability, inconvenient to adjust and poor in protection performance, and has the advantages of being high in stability, flexible and accurate to adjust, capable of prolonging the service life of equipment and the like.

The utility model relates to a lightning arrester counter convenient to install belongs to lightning arrester counter technical field, including backplate, two connecting plates and quick locking assembly, the quick locking assembly includes the first locking block of installing on backplate rear side wall upper end and lower end position, the quick locking assembly still includes the second locking block of installing respectively in two connecting plates front side wall, two second locking blocks and two first locking blocks staggered distribution, the second locking block of upper end and the first locking block of upper end are connected, adopt the unique quick locking assembly, through the meshing drive of the incomplete tooth disc and the incomplete gear ring with the elastic force action of cooperation torsional -tensile composite spring, realize the quick connection and separation of backplate and connecting plate, whole installation process does not need complicated tool, greatly reduced manpower cost and time cost.

The invention provides a dual active protection anticorrosive coating and a preparation method thereof, the anticorrosive coating is prepared by taking polyurethane with disulfide bonds as a matrix and introducing modified polyaniline two-dimensional nanosheets, namely, 2D-NACS capable of realizing self-protection in a seawater environment. When the coating is damaged and seawater touches a substrate, a corrosion reaction is initiated to generate Fe < 2 + > to trigger (1) first active protection: on a metal / coating corrosion area interface, C-PANI in the coating promotes Fe < 2 + > to be quickly converted into Fe < 3 + >, a Fe2O3 passivation layer is formed, and a corrosion medium is prevented from further invading; and (2) secondary active protection: the disulfide bond at the crack realizes crack healing through bond exchange, a seawater diffusion path is closed, and permeation of a corrosive medium is inhibited. The process simulates the migration and repair process of skin cells, finally, cracks are gradually repaired, the anti-corrosion function of the coating is recovered, and the problem that the protection performance is reduced due to the fact that 2D-NACS is prone to being damaged and cracked after being subjected to long-term environmental aging and external mechanical damage is solved.

The utility model discloses a drying rack for crop samples, which comprises a rack body, a waterproof layer, a drying layer and a first net layer, the waterproof layer is detachably arranged on the top side of the rack body, the drying layer is arranged in the rack body, the waterproof layer and the drying layer are arranged at an interval, one side of the drying layer facing the waterproof layer forms an accommodating space, and the first net layer is arranged in the accommodating space. Crop samples are aired in the accommodating space; the first net layer is arranged on the frame body and surrounds the containing space. According to the technical scheme, the waterproof layer, the airing layer and the first net layer are relatively fixed through the frame body, so that the waterproof layer, the airing layer and the first net layer form a barrier surrounding the containing space, the airing layer and the first net layer ensure ventilation of the containing space, and air drying of crops is facilitated; the waterproof layer can play a role in blocking rainwater erosion, so that the crop samples do not need to be guarded by workers for a long time in the airing process, and airing of the crop samples is facilitated.

The invention discloses a corrosion-resistant stainless steel pipe, a preparation method thereof and application of the corrosion-resistant stainless steel pipe in ocean engineering, belongs to the technical field of stainless steel materials, and aims to solve the technical problem that the corrosion resistance and the antifouling property of stainless steel need to be improved in the prior art. The preparation method of the corrosion-resistant stainless steel pipe comprises the following steps: adding epoxy modified titanium dioxide and 2-aminoethyl methacrylate into absolute ethyl alcohol, stirring, adding a hydrochloric acid aqueous solution, heating and reacting to obtain modified titanium dioxide; adding the epoxy modified carbon quantum dots and the modified titanium dioxide into a hydrochloric acid aqueous solution, heating, reacting, and after the reaction is finished, filtering, washing and drying to obtain epoxy modified carbon quantum dot grafted modified titanium dioxide; the corrosion-resistant stainless steel pipe prepared by the preparation method disclosed by the invention not only has good corrosion resistance and antifouling performance, meets the application in ocean engineering, but also has good weather resistance and durability, and is beneficial to prolonging the service life and reducing the cost of later maintenance.

The present invention belongs to the field of material technology, and in particular to a method for preparing an efficient low-phosphorus corrosion inhibitor. The present invention dissolves a soluble zinc salt and an imidazole ligand in methanol / water and mixes them evenly, and then adds a tris hydrochloric acid buffer solution to the mixed solution by ultrasonic treatment to obtain a polydopamine-coated zinc metal organic framework material, and finally obtains a polydopamine-coated zinc metal organic framework functionalized with a thiadiazole dimer by adding 2,5-dimercaptothiadiazole dimer and 1-aminopropyl-3-methylimidazole hexafluorophosphate. By introducing hydroxyl and sulfhydryl groups on the surface of the corrosion inhibitor, the binding ability of the corrosion inhibitor to the metal surface can be effectively improved, and the two can be more closely combined, reflecting an efficient slow-release effect.

The utility model relates to the technical field of line protection equipment, in particular to a digital line protection device, which comprises a box body, a protector body mounted on the front surface of the box body, a display screen mounted on the front surface of the protector body, and a button mounted on the front surface of the protector body and positioned below the display screen. Mounting wings are fixedly connected to the two sides of the protector body correspondingly, a protection plate is rotationally connected to the front face of the mounting wing located on the left side of the protector body, shifting plates are arranged in the middles of the two mounting wings correspondingly, a limiting structure is mounted in the mounting wing located on the right side of the protector body, and fixing structures are mounted in the two mounting wings correspondingly. According to the digital line protection device provided by the utility model, the limiting of the protection plate is relieved by pulling the shifting plate rightwards to drive the limiting structure, the fixation of the protector body is relieved by pressing the shifting plate to drive the fixing structure, and the digital line protection device has the advantages of enhancing the protection performance and optimizing the installation and maintenance experience.

The utility model discloses a kind of reinforced concrete structures of radiation protection, it is related to building material technical field.The utility model includes concrete structure main body, the concrete structure main body is composed of reinforced concrete layer, radiation protection concrete layer and ordinary concrete layer, reinforced concrete layer, radiation protection concrete layer and ordinary concrete layer are sequentially arranged from inside to outside, the inner wall of the outer layer decoration subassembly is filled with lightweight radiation protection material, the surface of the reinforced concrete layer and the surface of radiation protection concrete layer are all provided with scratch groove, the surface of the reinforced concrete layer and the surface of radiation protection concrete layer are all provided with hanging net subassembly.The utility model is through the structure design of multilayer, simultaneously optimize the material in the inside of concrete structure main body, set up radiation protection filling layer outside concrete structure main body, to further can increase the radiation protection performance of this structure, the utility model is through the setting of scratch groove and hanging net subassembly, promote the bonding force between different structure layers.

The application relates to the technical field of composite material preparation, in particular to a metallurgical bonding nickel-coated copper rod and wire manufacturing method, which comprises the following steps of: copper core preparation, stirring T1 oxygen-free copper powder and borax adhesive, extruding and polishing to complete copper core preparation; shell preparation, selecting a nickel rod to cut and process into a nickel shell and a nickel back cover; smelting treatment, preparing a reinforcing agent, cleaning the inside of the nickel shell, smearing the reinforcing agent, putting the copper core into the nickel shell, and sending the nickel shell into a vacuum smelting furnace for sealed smelting treatment. In the application, various components in the reinforcing agent are mutually synergistic and mutually promoting, a dense metallurgical bonding layer is formed on the bonding interface of the nickel-coated copper rod, the atomic arrangement of the bonding layer is close and orderly, the bonding strength between copper and nickel is greatly enhanced, and the two kinds of metals are no longer simply mechanically bonded, but are firmly metallurgically bonded through mutual diffusion and chemical bonding between atoms.

The utility model discloses a stabilizing device for a large-scale photovoltaic support, which comprises a support body, a photovoltaic panel body is fixedly arranged at the top of the support body, and a stabilizing assembly is fixedly arranged on the inner side wall of the support body; the stabilizing assembly comprises a clamping ring and a clamping plate, the clamping ring is fixedly installed on the inner side wall of the support body, and the clamping plate is connected to the inner side wall of the clamping ring in a clamped mode. According to the stabilizing device of the large-scale photovoltaic support, through the arranged stabilizing assembly, the external force impact of the photovoltaic support when the photovoltaic support bears extremely severe weather such as strong wind and snowstorm is effectively dispersed, so that the whole photovoltaic support can still keep the structure stable in a complex environment; according to the photovoltaic support, the risks of shaking, deformation and even collapse caused by external force are greatly reduced, normal installation and continuous and stable power generation of the photovoltaic assembly are guaranteed, the service life of the photovoltaic support is prolonged, and the maintenance cost and potential safety hazards caused by the stability problem of the support are reduced.

This utility model relates to the technical field of shoe glue application equipment, specifically an angle-adjustable floating mechanism for glue application equipment. It includes a floating component mounted on the bottom of a main body plate. A brush spindle is mounted on the main body plate, and a brush is mounted at the end of the brush spindle. The floating component includes a cylinder, and a mounting positioning block is mounted on the output shaft of the cylinder. A stop block is mounted on the mounting positioning block to prevent glue from flowing onto the shoe upper. The cylinder can drive the stop block to move in a forward-backward direction. The stop block is tilted and made of flexible material. In this angle-adjustable floating mechanism for glue application equipment, the stop block can adaptively adjust its angle according to the arch and toe shape of the shoe upper, significantly reducing the contact resistance with the shoe upper and preventing the robot from stopping abruptly due to excessive resistance, thus ensuring continuous glue application. It also provides cushioning and damage prevention: the flexible material cushions the contact force between the stop block and the shoe upper, eliminating the shoe upper indentations and wear caused by existing rigid stop blocks, and reducing the defect rate.

The retaining wall structure with the inverted filtering function comprises a concrete retaining wall and a decorative plate, a built-in cavity is formed in the front end of the concrete retaining wall, positioning rods are fixed to the left side and the right side of the inner wall of the built-in cavity, a second adhesion plate is arranged in the middle of the inner wall of the built-in cavity, the decorative plate is arranged on the front side of the built-in cavity, and the inner wall of the decorative plate is provided with an inverted filtering function. And a fixing strip is arranged on the inner wall of the decorative plate, and an insertion hole is formed in the fixing strip. According to the retaining wall structure with the inverted filtering function, the geotextile inverted filtering layer mainly has the functions of filtering, water drainage and protection in the concrete retaining wall, the geotextile inverted filtering layer can effectively prevent soil particles from entering a water drainage system along with water flow, the water drainage system is prevented from being blocked, and smooth water drainage is kept; the geotextile inverted filter allows water to be discharged through the geotextile material, the water pressure behind the retaining wall is reduced, the stability of the retaining wall is enhanced, the geotextile inverted filter prevents soil erosion and loss, and the retaining wall structure is protected against damage.

The invention belongs to the technical field of glass encapsulating slurry, and relates to glass encapsulating slurry as well as a preparation method and application thereof. The glass encapsulating slurry comprises a first batch, a second batch, a dispersing agent and a solvent, the first batch is composed of first glass powder and a first auxiliary agent; the first glass powder is prepared from SiO2, H3BO3, Al2O3, TiO2, PbO, ZnO and MgO; the first auxiliary agent is obtained by reacting a mixture of vinyltriethoxysilane, beta-cellulose and beryllium oxide with a modified hydrogen-containing silicone oil cross-linking agent; the second batch is composed of second glass powder and a second auxiliary agent; the second glass powder is prepared from SiO2, H3BO3, Al2O3, BaO and Sb2O3; the second auxiliary agent is obtained by reacting a mixture of polydimethylsiloxane, terpilenol and polypropylene glycol with a mixture of polyanionic cellulose, zirconium oxide and polyvinyl alcohol. The method can be well used for packaging and protecting various high-performance electronic devices.

This invention discloses a polyolefin adhesive for liquid cooling plates, a heat-bonding film, and a method for preparing the same. The polyolefin adhesive for liquid cooling plates comprises the following raw materials in parts by weight: 40-80 parts of a base resin; 5-40 parts of a tackifying resin; 1-35 parts of a flame retardant; 1-5 parts of a crosslinking agent; and 0.1-0.5 parts of an antioxidant. The base resin is maleic anhydride polyolefin resin, and the crosslinking agent includes aziridine crosslinking agent, or may also include at least one of polycarbodiimide, bisphenol A type epoxy resin, and bisphenol A type phenolic epoxy resin. This invention achieves a reduction in the curing temperature of the adhesive film and improves its performance.

The utility model discloses a kind of online safety real-time monitoring devices of foundation pit, belong to building construction technical field, the online safety real-time monitoring device of this foundation pit, including connecting pipe, the connecting pipe outer wall bottom is fixedly connected with mounting ring, the rotatory component top is fixedly connected with detector, the connecting pipe outer wall one side top is equipped with protection component, the utility model is through being provided rotatory component, without frequently running between different detection points to rearrange equipment, simultaneously, only need to pass through rotatory component adjustment detector direction and angle, can greatly reduce manpower input, by setting protection component, the erosion of ultraviolet, oxygen, moisture and other factors to device shell and internal material can be blocked, slow down the aging speed of material, simultaneously, device internal spare and accessory can also be reduced wear and tear, reduce failure incidence, and convenient to dismount and install, facilitate maintenance personnel to the device is regularly checked and maintained, improve management efficiency.

The invention provides a fireproof coating and a preparation method thereof, and belongs to the technical field of coatings. The coating is prepared from organic silicon modified epoxy resin, ammonium polyphosphate, melamine cyanurate, modified carbon nano tubes, polyhedral oligomeric silsesquioxane, zirconium boride modified MOF-808, modified nano magnesium hydroxide, rutile type titanium dioxide, mica powder and a vinyl polydimethylsiloxane-polymethylsiloxane silsesquioxane cross-linked polymer, the nano magnesium hydroxide is prepared by modifying a carbon nano tube with polyoxyethylene fatty acid ester, and the modified nano magnesium hydroxide is prepared by modifying nano magnesium hydroxide with stearic acid; the components are matched for use, so that the fireproof performance is good, the fireproof time is long, the weather resistance is good, and the long-term use performance is not easy to greatly reduce.

This utility model relates to the field of power transmission tower technology, specifically a stress data acquisition sensor for power transmission towers. It includes a base, a strain gauge sensor, a data cable, and a protective device. The strain gauge sensor is fixed to the surface of the base, and the data cable is fixedly connected to one end of the strain gauge. The protective device is located on the surface of the base and includes a rod fixedly connected to the base. A circular sleeve is provided on the upper surface of the strain gauge sensor, and locking blocks are fixedly connected to both ends of the sleeve. The sleeve fits onto the strain gauge sensor. A through groove is provided on the lower surface of the locking blocks, and the rod is inserted into the locking blocks. This utility model provides physical protection for the strain gauge sensor by fitting the circular sleeve around it. The rod, inserted into the locking blocks, works in conjunction with a torsion spring to drive a clamping plate for secure fixation. This effectively blocks erosion from wind, rain, and sand, reducing damage to the sensor from external impacts. It is also easy to install and remove; the circular sleeve can be removed by pressing the clamping plate, facilitating maintenance without affecting the normal operation of the sensor and ensuring stable data acquisition.

This utility model discloses an installation device for corrosion-resistant steel structures, relating to the field of steel structure technology. It includes steel structure A and steel structure B, with protective covers fitted onto both structures. The steel structures A and B are fixed to the protective covers by fixing bolts. A protective shell is also provided on the side wall of the protective cover, covering the outside of the fixing bolts. A locking component is provided on the protective shell, which is then fixed to the protective cover. This utility model provides overall protection for the steel structure connection points with the protective cover and a second sealing strip, reducing the impact of the external environment. The protective shell, combined with the first sealing strip, individually protects the fixing bolts. This double-sealing structure effectively prevents corrosion from rainwater and other sources, significantly reducing the risk of rust on the steel structure and bolts, significantly improving the corrosion resistance of the steel structure, and extending its service life.

The utility model discloses a refrigerator car with a carriage cleaning function, which relates to the technical field of refrigerator cars and comprises a carriage main body, a moving component is arranged at the top of an inner cavity of the carriage main body, and the moving component comprises a threaded lead screw transversely arranged at the top of the inner cavity of the carriage main body. Through the synergistic effect of multiple structures, efficient protection of the threaded lead screw is achieved; the protection box isolates direct invasion of clean water and sundries, abrasion and jamming risks caused by the fact that the foreign matters enter a thread gap of the threaded lead screw are avoided fundamentally, the design that the T-shaped sliding block and the water blocking belt are matched with the spring disc is adopted, protection dynamic extension is achieved in the sliding block moving process, an exposed gap of a receding groove in the bottom of the protection box is filled, and the service life of the sliding block is prolonged. Cleaning water is effectively prevented from splashing to erode the surface of the lead screw; according to the scheme, static protection and dynamic shielding are combined, the durability of the transmission assembly is remarkably improved, long-term stable operation of the self-cleaning system is guaranteed, and the maintenance cost and the fault risk are reduced.