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47results about How to "Good shielding protection" patented technology

Nano pearl cream

A topical application comprises cultured pearl powder of particle size ranging between 0.4 μm and 1 μm ground by an ultrasonic gas jet mill, and purified water suspending the cultured pearl powder.
Owner:FANG HARVARD

Compound chromate-free passivator capable of forming films rapidly and preparation method

The invention provides a compound chromate-free passivator capable of forming films rapidly. The compound chromate-free passivator comprises water-dilutable resin, silicon dioxide, a surfactant, a corrosion inhibitor, an accelerant and water. The chromate-free passivator provided by the invention does not contain poisonous and harmful ingredients such as heavy metal, sodium nitrite, phosphoric acid and the like, is environment-friendly, pollution-free and clean in production, and is close to passivation effect of hexavalent chromate in the aspect of comprehensive performance such as corrosionresistance and reprocessing; and the passivator sufficiently utilizes the diversity of organic high-molecular polymers and the rapid forming characteristic of inorganic salt, so that a high-performance resin and zirconium-based oxide layer compound coating can be provided for metal surfaces, compound passivation film provides a double protection function for protection of metal surfaces, and the organic coating has a clear advantage of delaying initial-stage corrosion on the metal surfaces, so as to ensure that the metal surfaces have excellent corrosion resistance and then the adhesive forceof coating is improved.
Owner:长沙艾森设备维护技术有限公司

Ionizing ray shielding protective plate and manufacturing method thereof

The invention relates to a plate with an ionizing ray (X-ray or gamma-ray) radiation protecting function and provides an ionizing ray shielding protective plate. The protective plate comprises the following raw materials in percentage by weight: 7-10 percent of raw wood pulp material, 10-15 percent of cement, 2-5 percent of rare earth composite powder, 60-80 percent of barium sulfate powder and asmall amount of auxiliary materials (mica, aedelforsite and expanded perlite). A manufacturing method of the protective plate comprises the following steps of: preparing raw wood pulp; pulping by mixing; sizing; preparing a molded blank; reshaping and stacking; preparing a molded plate; initially curing; performing steam curing; drying the plate; performing post processing; and the like. The ionizing ray shielding protective plate has dual X-ray and gamma-ray protecting effects, high intensity and light weight, and can be used for replacing a lead plate. The raw materials used in the manufacturing method are sufficient, the foaming procedure in the production process is eliminated, the equipment and the process are simple, and the manufacturing cost is low.
Owner:GUANGZHOU CHUMAY BUILDING MATERIAL

Guide rail for magnetic suspension and preparation method thereof

The invention discloses a guide rail for magnetic suspension and a preparation method thereof. The guide rail comprises a guide rail body; the guide rail body comprises a brake surface and a sliding surface; a coating layer is a metal coating layer and is arranged on each of the surfaces of the brake surface and / or the sliding surface of the guide rail body, and the metal coating layer is welded on the guide rail body. The guide rail disclosed by the invention has the benefits that as the metal coating layers are arranged on the brake surface or the sliding surface of the guide rail body, the wear resistance and the corrosion resistance of the brake surface and the sliding surface are improved, friction coefficients can be adjusted and controlled according to material components to fit a brake pad and meet the brake standard requirements; the coating layers arranged on the brake surface or the sliding surface of the guide rail can obstruct gas and liquid infiltration paths, so that good shielding protection is provided for protected metal, the corrosion resistance of a magnetic suspension steel rail is increased, and the service life is prolonged.
Owner:HUNAN METALLURGY MATERIAL RES INST

Fluoridized TPU car body film as well as preparation method and application thereof

The invention discloses a fluoridized TPU car body film. The fluoridized TPU car body film sequentially comprises a PET peeling layer, an adhesive layer, a TPU base material and a hydrophobic anti-fouling coating from bottom to top, wherein the hydrophobic anti-fouling coating comprises, in parts by mass, 25-35 parts of polyphenylene sulfide, 30-45 parts of a fluorinated ethylene propylene emulsion, 2-6 parts of aluminum oxide, 1-3 parts of sodium sulfite and 20-30 parts of deionized water. The fluoridized TPU car body film has atmosphere aging resistance, can resist harsh weather such as acid rain, wind, snow and the like and has high anti-radiation performance and lower permeability, and the surface and performance can keep unchanged even if the car body film is exposed in the atmosphere for a long time; the car body film is non-sticky and has a self-cleaning property and a smooth and transparent surface, so that dirt cannot stick to the car body film easily, the car washing frequency can be reduced, and the car body film is energy-saving and environment-friendly; the car body film has repairability and is scratch-resistant, small scratches on the surface can automatically disappear, and the appearance of a car is under no influence, the car body film is non-toxic and pollution-free and meets the specification standard for national-level environment-friendly additives and the like.
Owner:日氟荣高分子材料(上海)有限公司

Multifunctional power equipment

The invention provides multifunctional power equipment. The multifunctional power equipment comprises a power cabinet door, hinges, a power equipment mounting cabinet, a ventilation net, a fixing sleeve, a supporting rod, a wing-shaped screw, a supporting base, a hollow fan cover, a heat dissipation motor, fan blades, an incoming and outgoing line wiring terminal and a power equipment adjustable mounting plate structure with different adaptability. According to the invention, power equipment mounting holes, mounting plates for different power equipment, a U-shaped adjusting sliding block, a linear sliding rail, a square head bolt and a stop block are arranged; different types of power equipment can be fixedly mounted; the installation requirements of different power equipment are met; proper power equipment mounting holes are selected for mounting and fixing according to the model of the power equipment; meanwhile, the square-head bolt is loosened, and the position of the U-shaped adjusting sliding block on the outer wall of the linear sliding rail is adjusted to determine the distance between different power equipment mounting plates; the square-head bolt is locked, and then powerequipment mounting and fixing work can be conducted; the stopping effect can be achieved through the stop block; and the adjusting safety is guaranteed.
Owner:彭沙沙

Anti-corrosion treatment method for exotic metal structures of maglev steel rails

The invention relates to an anti-corrosion treatment method for exotic metal structures of maglev steel rails. The anti-corrosion treatment method includes steps of cleaning attachments, rust and oxide layers on the surfaces of aluminum alloy profiles and F-shaped steel guide rails; coating aluminum-rich coatings on the surfaces, contacting with the F-shaped steel guide rails, of the aluminum alloy profiles, and coating zinc-based plated coatings on the surfaces, contacting with the aluminum alloy profiles, of the F-shaped steel guide rails; and fitting the aluminum alloy profiles and the F-shaped steel guide rails with H-shaped steel rail sleepers according to the prior art after coatings are coated. Two protective layers of the aluminum-rich coating layer / zinc-based plated coating layer are formed between the aluminum alloy profile and the F-shaped steel guide rails, so that galvanic corrosion between the aluminum alloy profiles and the F-shaped steel guide rails are prevented, corrosion resistance of the maglev steel rails is improved, and the service life is prolonged.
Owner:LAIWU IRON & STEEL GRP +1

Roadway or tunnel surrounding rock shielding protection structure and method

The invention discloses a roadway or tunnel surrounding rock shielding protection structure and method. Under the action of ground pressure, bare surrounding rocks are formed after a roadway or tunnelis excavated and formed. The invention provides a multilayer combined shielding protection structure and method; a special shielding layer is constructed by injecting a special shielding material; afine bamboo concrete layer is constructed by pouring fine bamboo concrete; an energy absorption controller is provided to build an energy absorption control layer and a bracket which is shaped like aChinese character ''ya'' and is constructed by a steel pipe support is erected; the roadway or tunnel surrounding rock shielding protection structure jointly formed by the multilayer protection structures plays a good supporting protection effect on the bare roadway or tunnel surrounding rocks, the damage of the impact stress wave can be effectively shielded, a remarkable toughness energy absorption effect on the impact energy is achieved, the residual energy can be further absorbed through the energy absorption controller and the bracket which is shaped like the Chinese character ''ya'', theimpact failure of the roadway or tunnel is avoided, and the safety of the roadway or tunnel can be effectively protected.
Owner:UNIV OF SCI & TECH BEIJING

Coal mine heading face boring exploration protection device

The invention discloses a coal mine heading face boring exploration protection device comprising a substrate and self-locking universal wheels arranged on two sides of the substrate bottom; the substrate is provided with a first vacuum tank and second vacuum tanks; a work platform is arranged on top of a vertical rod; a drilling machine body is arranged on top of the work platform; a position, close to a drill bit, on one side of the work platform is provided with a cover plate; a guide tube connected with the first vacuum tank is arranged on the bottom of the cover plate, and provided with asolenoid valve; the first vacuum tank and the second vacuum tank and the second vacuum tanks are respectively connected via breather pipes; a dust filter net is arranged in middle position in the first vacuum tank. The protection device can provide good protection and shield effects, can fast absorb and gather leaking gas and dusts formed in boring into the vacuum tanks, thus reducing gas and dustleakage, recovering gas resources, and reducing dust damages.
Owner:潘旭康

Normal-temperature-cured polytetrafluoroethylene-modified high-solid-content automobile varnish and preparation method thereof

ActiveCN106085171AImprove performanceRealize the requirements of room temperature curingPretreated surfacesPolyurea/polyurethane coatingsPolymer scienceAcrylic resin
The invention provides a preparation method for a normal-temperature-cured polytetrafluoroethylene-modified high-solid-content automobile varnish. The preparation method is characterized by comprising a step of mixing main paint, a curing agent and a diluent according to a mass ratio of 100: 50: (10-15), wherein the main paint is prepared by mixing 40 to 59 parts of mixing monomer, 1 to 5 parts of an initiator and 40 to 60 parts of a mixed solvent under stirring in the presence of nitrogen and then adding 3 to 5 parts of modified transparent oily polytetrafluoroethylene resin drop by drop; the curing agent is prepared by mixing 50 to 60 parts of polyisocyanate, 30 to 40 parts of butyl acetate and 10 to 20 parts of propylene glycol methyl ether acetate; and the diluent is prepared by mixing 50 to 60 parts of butyl acetate with 40 to 50 parts of propylene glycol methyl ether acetate. According to the invention, the liquid polytetrafluoroethylene resin prepared on the basis of independent research and development is added into hydroxyl-acrylic resin, so the prepared automobile varnish has the excellent properties of super self-cleanness, high hardness, super smoothness, weatherability, etc.
Owner:TIANJIN YIMA PROTECTION MATERIAL CO LTD

Epoxy resin anticorrosive coating and preparation method thereof

The invention discloses an epoxy resin anticorrosive coating comprising the following components in parts by weight: 100 parts of a waterborne epoxy emulsion, 20-30 parts of nano CeO2, 12-19 parts ofzinc phosphate, 15-18 parts of cellulose acetate butyrate, 4-8 parts of sodium polyacrylate, 3-5 parts of sodium silicate, 1-2 parts of a silane coupling agent, 3-6 parts of a curing agent, 2-5 partsof an antisettling agent, 1-2 parts of a plasticizer, 6-8 parts of an antifouling agent, 7-9 parts of a filler, 1-3 parts of a defoaming agent, 12-25 parts of phenolic resin, and 30-40 parts of water.The invention also discloses a preparation method of the epoxy resin anticorrosive coating. The epoxy resin anticorrosive coating has excellent anticorrosive performance, good film forming property and high adhesion force, and can provide effective anticorrosive protection for metals.
Owner:DONGGUAN JIAQIAN NEW MATERIAL TECH CO LTD

Carbon fiber heat generation cable for underfloor heating

The invention discloses a carbon fiber heat generation cable for underfloor heating. The carbon fiber heat generation cable comprises a carbon fiber composite core material, a resin layer, an insulation layer and an outer skin protection layer, wherein the resin layer, the insulation layer and the outer skin protection layer sequentially wrap the carbon fiber composite core material, the carbon fiber composite core material is formed by twisting a modified carbon fiber beam and an alloy wire, and the modified carbon fiber beam is made of zinc oxide whisker modified PAN-based carbon fiber. The modified carbon fiber beam and the alloy wire are twisted to fabricate the carbon fiber composite core material, the zinc oxide whisker is added into the modified carbon fiber beam, thus, the heat conduction performance and the heat conversion rate of the core material are improved, and the dynamic property is improved; and by matching the resin layer wrapping the carbon fiber composite core material, the total released heat is reduced, the smoke release quantity is increased, the flame retardance can be improved to a certain extent, and the safety coefficient is improved.
Owner:芜湖锐华暖通科技股份有限公司

Silicone rubber composition and preparation method thereof

The invention discloses a silicone rubber composition. The silicone rubber composition is prepared from the following components in parts by weight: 100 parts of methyl vinyl silicone rubber; 25 to 60 parts of reinforcement filler; 100 to 400 parts of X-ray absorbent; 2 to 20 parts of processing agent; and 0.2 to 3 parts of cross-linking agent. The silicone rubber composition adopts the methyl vinyl silicone rubber as a base material to be combined with the reinforcement filler, the X-ray absorbent, the processing agent and the cross-linking agent to generate the silicone rubber composition, after being cured, the silicone rubber composition has good shielding and protective effect for X-rays, also has good weather resistance, mechanical strength and toughness, is conveniently made into various types of protective products and is suitable for being popularized to use.
Owner:成都德信安创新医疗技术有限公司

Ionizing ray shielding protective plate and manufacturing method thereof

The invention relates to a plate with an ionizing ray (X-ray or gamma-ray) radiation protecting function and provides an ionizing ray shielding protective plate. The protective plate comprises the following raw materials in percentage by weight: 7-10 percent of raw wood pulp material, 10-15 percent of cement, 2-5 percent of rare earth composite powder, 60-80 percent of barium sulfate powder and asmall amount of auxiliary materials (mica, aedelforsite and expanded perlite). A manufacturing method of the protective plate comprises the following steps of: preparing raw wood pulp; pulping by mixing; sizing; preparing a molded blank; reshaping and stacking; preparing a molded plate; initially curing; performing steam curing; drying the plate; performing post processing; and the like. The ionizing ray shielding protective plate has dual X-ray and gamma-ray protecting effects, high intensity and light weight, and can be used for replacing a lead plate. The raw materials used in the manufacturing method are sufficient, the foaming procedure in the production process is eliminated, the equipment and the process are simple, and the manufacturing cost is low.
Owner:GUANGZHOU CHUMAY BUILDING MATERIAL

C30 high-impermeability concrete with low cementing material consumption and preparation method thereof

The invention relates to the technical field of building materials, and specifically relates to a C30 high-impermeability concrete with low cementing material consumption and a preparation method thereof. Each cubic meter of the concrete comprises the following components in parts by weight: 140-170 parts of cement, 40-60 parts of fly ash, 70-90 parts of mineral powder, 15-25 parts of silica fume,20-30 parts of stone powder, 18-22 parts of modified meta-kaolin, 490-520 parts of machine-made sand, 335-350 parts of river sand, 990-1020 parts of gravels, 5.1-6.1 parts of a polycarboxylate waterreducer, 165-175 parts of water and 15-25 parts of anti-cracking fibers, wherein the modified meta-kaolin is prepared by exciting and modifying gypsum, epoxy silane and modified polystyrene. The provided C30 high-impermeability concrete has good impermeability.
Owner:湖北合力久盛混凝土有限公司

Integration shielding plug

The invention relates to a signal line transmission member, more concretely, relates to an integrated shield plug used in signal line insert element. It is comprised by a front shell, a functional part and a back shell, wherein the port of the front shell is rectangleladder-shaped, and one end of the functional part is connected to the front shell, and another end is connected to the back shell which is of integrated structure like rectangle funnel, an upper port is connected to the functional part, and the lower funnel mouth is a circular port for coating signal cable, and plural kinds of concave grooves are disposed on the body of the back shell. The invention has novel design, and its back shell integrated structure with concave grooves is simple, practical and beautiful, and has good shield effect on signal transmission, and has simple processing technology, low cost, high quality, and is easy for assembly and is adapted to computer signal line.
Owner:WEIHAI HONGLIN ELECTRIC POWER TECH CO LTD

Electrical connector

The invention discloses an electrical connector, comprising: a body, wherein the body comprises a plastic module and two substrates, the plastic module is located between the two substrates, the substrates are provided with at least one first grounding terminal hole, a metal layer is disposed in the first grounding terminal hole, the plastic module is provided with a receiving slot corresponding to the first grounding terminal hole, at least one first grounding terminal is received in the first grounding terminal hole and the receiving slot, the body is further provided with at least one second grounding terminal hole that receives at least one second grounding terminal, and the substrates are provided with at least one grounding layer that is connected to the metal layer and exposed to the first grounding terminal hole. Adding the second grounding terminal to the body effectively enhances the shielding effect on interference signals, and the composite structure of the two substrates sandwiching the plastic module provides a good shielding effect on the conductive terminals received therein.
Owner:DEYI PRECISION ELECTRONIC IND CO LTD PANYU

Elevator cable butt joint structure

The invention relates to an elevator cable butt joint structure, which comprises: a first elevator cable and a second elevator cable, wherein each of the first elevator cable and the second elevator cable comprises an insulating sheath, a left conducting wire group, a middle conducting wire group, a right conducting wire group, a left steel wire and a right steel wire; and a butt joint assembly, wherein the butt joint assembly comprises a limiting seat, a limiting cover, a first locking screw, a second locking screw, a third locking screw, a fourth locking screw and a plurality of fixing screws, a left containing groove, a middle containing groove, a right containing groove, a left positioning groove, a right positioning groove and other grooves are formed in the limiting seat, and a leftpressing protruding part and a right pressing protruding part are arranged on the bottom face of the limiting cover. According to the butt joint assembly, the two elevator cables can be firmly connected together, so that the situation that the elevator cables are broken can be avoided, the probability of safety accidents of an elevator is reduced, the safety of passengers can be well guaranteed, the assembling mode is very simple, and connection of the elevator cables can be rapidly achieved.
Owner:广东电缆厂有限公司

An easy-to-use combined high-efficiency beehive

The invention relates to the field of agricultural equipment, in particular to an easy-to-use combined high-efficiency beekeeping box, an easy-to-use combined high-efficiency beekeeping box, comprising a base, an anti-ant component, a beehive and a shielding component. In the ant component, a beehive is placed on the upper part of the base, and a shielding component is detachably arranged on the upper part of the beehive; the four corners of the bottom of the base are fixed with legs, and the anti-ant components are fixed on the legs. Epidemic prevention part, the epidemic prevention part of the outrigger is arranged at the bottom of the outrigger, and the epidemic prevention part of the outrigger is arranged in the middle part of the outrigger; the beehive is a barrel-shaped structure, a honeycomb cavity is arranged in the beehive shell, a longitudinal filter screen is arranged in the beehive shell, and a longitudinal filter screen is arranged in the beehive shell. The horizontal filter screen is vertically fixed in the middle, the longitudinal filter screen and the horizontal filter screen divide the honeycomb into four beekeeping areas, the two ends of the beehive shell are provided with beehive covers, and the ends of the beehive cover and the beehive shell are provided with entrance and exit gaps; the structure of the present invention Reasonable, convenient to use, and high productivity of the honeycomb.
Owner:河南大别山詹氏蜜蜂园有限公司

Integrated shield and protection sensor

ActiveCN103674118AGood shielding protectionContinuous and complete shielding protectionMeasurement devicesWorking environmentEngineering
The invention provides an integrated shield and protection sensor which comprises a sensing probe, a cable portion and a sealing connection flange. A flange base of the sealing connection flange is fixedly mounted on a box, the sensing probe is arranged in the box, a sealing sleeve is detachably fixed on a base plate of the flange base, the outer end of the sealing sleeve is connected with a pressing cover in a threaded manner, the sealing sleeve is embedded between the pressing cover and the flange base, the cable portion penetrates the box, the flange base, a sealing rubber sleeve and a cable hole of the pressing cover, and the sealing sleeve is extruded by screwing the pressing cover and can function in sealing. By the aid of the technical scheme, a signal transmission cable connector joint connecting structure is abandoned, and a transmission cable has continuous and complete shield and protection functions and can reliably work in working environments with strong vibration and strong interference.
Owner:丹东鸭绿江敏感元件有限公司

Portable gas monitoring equipment with illuminating function

An alarm annuciator with lighting function consists of alarm including transducer, stepped alarm circuit, display, infrared connector and horn; metal instrument box for holding alarm and lithium battery as its panel with air vent, indicator, infrared connector, hole of alarm sound, its back with jack catch, its top with cable interface. The stepped alarm circuit is composed of power interface, fuse tube, transformer, infrared receiving circuit, monolithic computer, stabilized voltage circuit, methane sensor circuit, amplifier, display driving and alarm output circuit.
Owner:刘宏儒

Small power generation device capable of generating power by tide

The invention discloses a small power generation device capable of generating power by tide. A fixed bearing seat and a fixed base are included, the fixed bearing seat is fixedly installed at the upper end of the fixed base, and a middle shaft rod is arranged in the middle of the upper end of the fixed bearing seat. According to the small power generation device capable of generating power throughtide, a good protection effect is achieved by an adjusting shielding cover, the adjusting shielding cover is fixedly connected to a vortex machine shell through an adjusting screw in a welded mode, and therefore the adjusting screw is convenient to support and use, during usage, a transparent shielding cover at the lower end of a fixing disc is conveniently connected with a power generator body in a sleeving mode for use, so that a good shielding protection function is achieved, accordingly, outer side collisions and damage are effectively avoided, and the service life is effectively prolonged. During cup joint, the adjusting screw and the fixing disc are fixed through an upper side nut and a lower side nut, so that the height is conveniently adjusted on the adjusting screw, and cup jointand fixing usage are facilitated, and therefore, adjustment is convenient as required.
Owner:毕仁武

Optical fiber sensor packaged by basalt fibers

The invention discloses an optical fiber sensor packaged by basalt fibers, and relates to the technical field of optical fiber sensors. Included are a body and a connector, mounting plates are arranged at the front end and the rear end outside the main body; a buffer block is mounted in the mounting plate, a connecting wire is arranged at one end of the exterior of the main body, a limiting deviceis mounted at the exterior of the connecting wire, a connecting sleeve is arranged at one end of the interior of the connecting wire, a built-in wire is mounted in the connecting sleeve, and a protective frame is arranged at the top of the main body. The sensor has the advantages that a clamping plate, a fixed spring and a positioning plate are arranged; a limiting assembly can be properly adjusted according to the size of a connecting pipe; the structure is simple, operation is convenient, the clamping plate is properly adjusted through the elasticity of the fixing spring, the clamping plateand the positioning plate can wrap the connecting pipe, the connecting stability degree between the connecting pipe and the main body is increased, and normal use of the optical fiber sensor is guaranteed.
Owner:南京智慧基础设施技术研究院有限公司

Anti-corrosion material capable of substituting electroplated zinc and preparation method of anti-corrosion material

ActiveCN103013200BDouble cathodic protection functionGood shielding protectionAnti-corrosive paintsOrganic solventZinc
The invention discloses an anti-corrosion material capable of substituting electroplated zinc and a preparation method of the anti-corrosion material. The anti-corrosion material capable of substituting electroplated zinc comprises the following components in percentage by weight: 60-90% of zinc powder, 1-10% of organic resin, 0.2-2% of an anti-settling agent, and 5-30% of an organic solvent. The invention further discloses a preparation method of the anti-corrosion material capable of substituting electroplated zinc. The anti-corrosion material capable of substituting electroplated zinc provided by the invention is convenient to construct, has excellent anti-corrosion performances, and is environment-friendly and energy-saving.
Owner:HUNAN JINPAN NEW MATERIAL TECH CO LTD
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