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Lightweight total-bearing body frame structure
ActiveCN101863290AReduce weightExtended service lifeSuperstructure connectionsPassenger vehicle superstructuresSteel frameUltimate tensile strength
The invention relates to a lightweight total-bearing body frame structure, which comprises a side wall frame, a roof frame, a front wall frame, a rear wall frame and an interlayer frame. The lightweight total-bearing body frame structure is made of an aluminum alloy or magnesium alloy material, and is riveted with lockbolts so as to ensure that the weight of the body frame is greatly reduced while the whole strength of the body is not lower than the conventional steel body frame. The parts forming the body frame has a unique design, so that well balance between weight reduction and strength maintenance can be achieved. The lightweight total-bearing body frame structure saves more energy than the conventional steel frame.
Owner:北京绿程锦绣能源科技有限公司
Far infrared carbon fiber low temperature conductive heating paper and preparation method thereof
InactiveCN102226325AIncrease surface areaPass wellNon-fibrous pulp additionSpecial paperFiberCarbon fibers
A far infrared carbon fiber low temperature conductive heating paper comprises an original pulp board, carbon fibers, nano far infrared negative ion powder and a diffusant. According to the invention, paper pulp is beaten and added with carbon fibers treated with carbonization processing, water phase processing and hydrophilism processing for dipping; after homogenizing and beating again, resistor of a mixed slurry is measured, and mixed slurry with a resistor within 2%-10% is manufactured into paper. The far infrared carbon fiber low temperature conductive heating paper prepared by the invention can heat uniformly, has high thermal conversion efficiency, near zero electromagnetic radiation, extremely small current density, and is safe for usage. In addition, the radiated far infrared light wave can activate water molecules in human body, raise blood oxygen content, enhance cell vitality, improve human body microcirculation and promote metabolism.
Owner:SHANGHAI RELI TECH GRP CO LTD
Jettisonable one-step electro-deposition immune-biosensor for detecting histamine and preparation method of immune-biosensor
ActiveCN104897748AEasy to operateHigh sensitivityBiological testingMaterial electrochemical variablesBinding sitePolymer
The invention belongs to the technical field of biosensors, and specifically discloses a jettisonable one-step electro-deposition immune-biosensor for detecting histamine and a preparation method of the immune-biosensor. The immune-biosensor adopts an electrode coated with a prussian blue, chitosan and nanogold composite film, wherein histamine coating antigen is fixed on the electrode, the molar concentration ratio of nanogold to prussian blue in the composite film is 1:2000 to 1:20, and the massic volume content of chitosan is 0.01-0.05%. Furthermore, the composite film is formed on the surface of the electrode through a one-step electrode deposition manner, the deposition step is simpler than a preparation step of the conventional electrode modified by high-molecular polymer, and the antigen binding site can be easily exposed out. According to the electro-deposition immune-biosensor, competition immunoreaction and a biosensor are combined, and a series of property characteristics such as a histamine detection working curve can be obtained according to needs, and the jettisonable one-step electro-deposition immune-biosensor has the advantages of simplicity in operation, high sensitivity, rapidness, convenience and the like, and can be used for on-site rapid detection for histamine in a sample.
Owner:深圳深镧科技有限公司
Electrostatic dust remover with movable electrode plate
ActiveCN102430477AImprove cleanlinessEasy to collectExternal electric electrostatic seperatorElectrode constructionsDust controlBrush
The invention relates to an electrostatic dust remover with a movable electrode plate. A fixed anode plate and a cathode wire are respectively arranged in each of a first electric field and a second electric field, and a movable electrode plate dust removing device is arranged in a third electric field and consists of a driving shaft (7), a driven shaft (10), a chain (11) and a movable electrode plate (8), a pair of steel wire dedusting brushes (14) rotating in opposite directions are arranged at two sides of the lower part of the movable electrode plate and matched with the movable electrode plate, the upper part of the movable electrode plate dust removing device is provided with an upper electrode plate guide frame (11a) and the lower part of the movable electrode plate dust removing device is provided with a lower electrode plate guide frame (11b). The electrostatic dust remover has the advantages that an integrated fastened-type anode plate is applied to each of the first electric field and the second electric filed, the top parts and side parts of the first electric field and the second electric filed are in a working mode of vibrating and hitting coexistence, thereby ensuring the dedusting capability of a previous-grade electric field; and the movable electrode plate dust removing device is applied to the third electric field, thereby thoroughly eliminating the anti-corona phenomenon which is very common in a conventional dust remover, and solving a technical difficulty that the conventional dust remover can hardly remove high-viscidity dust.
Owner:ENELCO ENVIRONMENTAL TECH ANHUI
Fiber composite and process of manufacture
ActiveCN102612427AImprove performanceReduce the effect of centrifugal blowsEngineeringFibrous composites
The inventive fiber manufacturing process is particularly adapted for demanding applications such as sports racquets, including tennis racquets, badminton racquets and other sports applications. Because of the improved strength to weight ratio of components formed using the inventive method, a wide range of flexibility is achieved, allowing use of the inventive process to manufacture, for example, a fiber reinforced (for example, graphite) modular sports racquet, optionally provided with user- selectable weights and / or handle replacements. From the standpoint of the player, this allows a racquet frame featuring self customization. From the standpoint of a retailer, the benefit provided is reduction of inventory.; The inventive fiber, for example graphite fiber) racquet frame is filled with a plastic foam and is formed using, for example, microencapsulation technology to time, generate and apply the pressure used to form the graphite composite material of which the racquet is comprised. This compares to the standard industry technique of air injection. The racquet is thus not hollow like conventional graphite racquets, and the walls therefore can be made thinner than those of existing graphite racquets still being of the same strength or being stronger, which gives the racquet exceptional performance. In addition, the overall dimensions of, for example the cross-section, of the racquet can also be reduced while still maintaining performance characteristics.
Owner:XENE CORP
High-strength and high-toughness composite material
The invention discloses a high-strength and high-toughness composite material, the raw material of which comprises the following components: polyvinyl chloride, polyurethane elastomer, chlorinated polyethylene, EPDM rubber, silicone-acrylate copolymer, α-methyl Styrene Acrylonitrile, Tetraacicular Zinc Oxide Whiskers, Plant Fiber, Basalt Fiber, Nano Calcium Carbonate, Diatomaceous Earth, Organically Modified Montmorillonite, Zinc Hydroxide Stannate, Calcium Stearate, Zinc Stearate , molybdenum trioxide, acetyl tributyl citrate, soybean oil, polyepichlorohydrin, coupling agent, dioctyl sebacate, oxidized polyethylene wax, hydroxypropyl methylcellulose, triethanolamine. The high-strength and high-toughness composite material of the invention has high strength, good toughness, good heat resistance and strong aging resistance.
Owner:ANHUI RUIXIN AUTOMATION INSTR
Preparation method and application of Cu-MOF/carbon dot nanosheet array catalyst
InactiveCN109174192AMake fastEasy to prepareMaterial nanotechnologyOrganic-compounds/hydrides/coordination-complexes catalystsElectrolysisCopper nitrate
The invention discloses a preparation method of a Cu-MOF / carbon dot nanosheet array catalyst, and an application of the material in water electrolysis for oxygen evolution, and belongs to the technical fields of the catalytic technology and composite materials. The preparation method comprises the following steps: mixing a copper nitrate solution with an H6L ligand and sorbitol to prepare an electrodeposition solution; and carrying out microwave activation on the obtained material in a three-electrode system by a potentiostatic electrodeposition process in order to obtain the Cu-MOF / carbon dotnanosheet array catalyst. The catalyst has the advantages of low cost of raw materials used for production, simple process, low reaction energy consumption and industrial application prospect. The catalyst is used for high-efficiency catalysis of water electrolysis for oxygen evolution, and has good oxygen evolution electrocatalysis activity and good electrochemical stability.
Owner:UNIV OF JINAN
Ordered mesoporous organic silicon oxide hollow ball prepared through one-step method and preparation method of ordered mesoporous organic silicon oxide hollow ball
ActiveCN105036145AFast preparationSimple manufacturing processSilicaSpherical morphologySilicon oxide
The invention relates to an ordered mesoporous organic silicon oxide hollow ball prepared through a one-step method and a preparation method of the ordered mesoporous organic silicon oxide hollow ball. The prepared ordered mesoporous organic silicon oxide hollow ball has good spherical morphology. The ball grain size ranges from 50 nm to 100 nm. The ball grain size distribution is uniform. The ordered mesoporous organic silicon oxide hollow ball is high in monodispersity, strength and dispersibility. A spherical shell comprises ordered radial mesoporous ducts. The preparation method is simple and easy to implement and can be easily conducted in an industrial mode. The ordered mesoporous organic silicon oxide hollow ball can be prepared through one step without sacrificial template or postprocessing. The fastest preparation process lasts for only 0.25 h. By means of the structure, reaction molecules or medicine molecules can conveniently enter and leave the ordered mesoporous organic silicon oxide hollow ball, and the ordered mesoporous organic silicon oxide hollow ball has good application prospects in the fields of medicine slow release, release control, medical imaging, catalysis and the like.
Owner:TSINGHUA UNIV +1
Arylamine derivative and organic electroluminescent device thereof
InactiveCN109336834AGood hole transport propertiesPass wellOrganic chemistrySolid-state devicesOrganic light emitting deviceThermal stability
The invention provides an arylamine derivative and an organic electroluminescent device thereof, and relates to the technical field of organic photoelectric materials. According to the invention, a fluorene-derived group and a large steric hindrance group are bonded with a main structure of triarylamine to obtain the arylamine derivative. The arylamine derivative has good hole transporting abilityand thermal stability, is liable to form a film, simple to synthesize and easy to operate, can be applied to the organic electroluminescent device as a hole transporting layer, and can effectively solve problems that the hole transporting material in the organic electroluminescent device is poor in thermal stability, low in possibility of forming a film, low in light-emitting efficiency of deviceand serious in roll-off; and the organic electroluminescent device has the advantages of low driving voltage, high light-emitting efficiency and long service life.
Owner:CHANGCHUN HYPERIONS TECH CO LTD
Connection structure and construction method of multi-span simply-supported bridge expansion joint
ActiveCN108103928AExtended service lifeFirmly connectedBridge structural detailsBridge materialsSheet steelRebar
The invention discloses a connection structure of a multi-span simply-supported bridge expansion joint. A bridge includes a pier, a cover beam and support bases. The connection structure includes a first steel block, anchor bolts, a fixing nut, a supporting steel plate, two L-shaped rubber pad blocks and multiple sets of fastening mechanisms. The first steel block comprises a flat steel plate anda channel steel fixedly connected with the bottom surface of the flat steel plate, and the flat steel plate is provided with through holes corresponding to the anchor bolts; a plurality of second steel blocks used for buffering and supporting are embedded into each L-shaped rubber pad block and selected from at least three of a spherical steel block, a cylindrical steel block, a triangular steel block, a cuboid steel block, a prismatic steel block, a pyramidal steel block and a circular steel block; each set of fastening mechanism includes concrete anchor blocks and prestressed steel bars. A mode of combination of rigid connection and flexible connection is adopted, not only can the requirements of using strength be met, but also the effect of elastic damping and buffering is achieved, thenoise is reduced at the same time, and a construction method of the multi-span simply-supported bridge expansion joint is economical, fast and easy to popularize.
Owner:江西省宏发路桥建筑工程有限公司
Wearable devices and associated systems
ActiveCN105473021AEasy retrievalEasy to sortDigital computer detailsDetails for portable computersDisplay deviceEngineering
A wearable computing device can have a processor, a memory, and a display so operatively coupled to the processor and the memory as to display an output therefrom. The processor and the memory can be positioned in a resiliently flexible body. The resiliently flexible body can include a first end and an opposed second end, a first edge and an opposed second edge, wherein the first and the second edges extend between the first end and the opposed second end. The body can also have a wearer engagement portion positioned between the first end and an intermediate region, wherein the finger engagement portion of the resiliently flexible body circumferentially so extends around a longitudinally extending axis positioned parallel to the first end and spaced apart from the resiliently flexible body as to define an open interior region, wherein the interior region of the wearer-engagement portion defines an inner surface.
Owner:SMART PATENTS LLC
Image restoration method based on convolutional neural network with symmetric cross layer connection
InactiveCN108537747APromote recoveryFast convergenceImage enhancementNeural architecturesImage resolutionDeep level
The invention discloses an image restoration method based on a convolutional neural network with symmetric cross layer connection. The method comprises the following steps: training data are preprocessed; a fuzzy training image is generated automatically; a neural network is built; the neural network is trained; and restoration effects are verified and parameter adjustment is carried out. On the basis of a damaged image, a clearer original image can be restored, and the effectiveness of methods such as traditional image denoising, image super resolution and image completion is enhanced. Besides, through adding symmetric cross layer connection to the convolutional neural network, a deeper neural network can be optimized more easily, the model generalization ability is improved, the detailsof an underlying image are kept at the same time, and a better restored image can be obtained. High-efficiency and distinct image restoration is realized, and the practical value is high.
Owner:NANJING UNIV
Heating enhanced floor
InactiveCN103644595AFix security issuesSolve efficiency problemsLighting and heating apparatusElectric heating systemFiberInsulation layer
The invention discloses a heating enhanced floor, and belongs to the technical field of wood floors. The heating enhanced floor comprises wear-resistant paper, decorative paper, balance paper, a substrate, impregnated paper, far-infrared carbon fiber heating paper, a conducting metal plate for a heating floor, a connection terminal, a waterproof two-way male and female plug power cord, a heat insulation layer and an aluminum foil. The heating enhanced floor is manufactured by the steps: preparing raw materials; preparing the substrate; assembling a plate blank; fitting the plate blank; laminating the heating enhanced floor; sawing a plate; mounting the waterproof two-way male and female plug power cord; performing inspection by electrifying; mounting a male and female plug junction box; treating the heat insulation layer; covering the aluminum foil; packaging the heating enhanced floor. The enhanced wood floor has the advantages of safety, energy conservation, high heat efficiency, high speed, simplicity in use, low cost, long service life and health care and maintenance.
Owner:欧邦智能家居(武汉)有限公司
Electric fork-lift truck steering device
InactiveCN102975760AClearance adjustableSmall self-vibrationMechanical steering gearsHand wheelsSteering columnVehicle frame
The invention discloses an electric fork-lift truck steering device which comprises a steering wheel, a steering column, a cardan joint, a steering actuating device, a carframe and a shift wheel, wherein the steering column is arranged below the steering wheel and is connected with the steering wheel. The cardan joint is arranged below the steering column and is connected with the steering column. The steering actuating device is connected with the cardan joint. The carframe is connected with the steering actuating device. The shift wheel is arranged on the carframe. The steering actuating device comprises a chain wheel mechanism and the steering wheel, wherein the horizontally arranged steering is connected with the cardan joint through the chain whell mechanism. The carframe comprises a vertical part and a horizontal part, wherein the horizontal part is connected with the bottom end of the vertical part. The top end of the vertical part of the carframe is fixedly connected with the end face of the steering wheel. The horizontal part of the carframe is provided with the shift wheel. The electric fork-lift truck steering device has the advantages of being simple in structure, convenient to operate and low in cost. In the process of steering, a driver can adjust angles of the shift wheel by constantly steering the steering wheel according to factors such as road surface bending changes and speed changes to maintain steering tracks which a driver wants to reach, and therefore the electric fork-lift truck steering device is reliable in steering, and low in stoppage rate and the like.
Owner:ANHUI HECHA FORKELEVATOR
Beating arrangement
Owner:WERNER DOPPSTADT UMWELTTECHN
Nd compound luminescent material containing phenanthroline and modified carboxylate ligand and preparation method of Nd compound luminescent material
ActiveCN109678897APass wellHigh crystallinityGroup 3/13 element organic compoundsLuminescent compositionsDimethpyrindeneCoordination complex
The invention relates to a Nd compound luminescent material containing phenanthroline and modified carboxylate ligand and a preparation method of the Nd compound luminescent material. A chemical formula of the luminescent material is {[Nd4(dpda)6(phen)4].6H2O}n, wherein the ligand H2dpda is 2, 6-dimethylpyridine-3, 5-dicarboxylic acid; phen is 1, 10-phenanthroline; the complex crystal belongs to atriclinic system; a space group is p-1; unit cell parameters are as follows: a equals to 8.7571(3) Ampere, b equals to 9.9713(3) Ampere, c equals to 13.0666(4) Ampere, V equals to 1019.74(6) Ampere^3, Alpha equals to 108.110(3) degree, Beta equals to 101.609(3) degree and Gamma equals to 101.434(3) degree; and the material can be excited by near-ultraviolet light and emit near-infrared fluorescence. The preparation method provided by the invention overcomes the defects of single ligand-based compounds, sensitizes charge transition of rare-earth ions, and achieves a purpose of obtaining an NIRluminescent fluorescent material with high fluorescence intensity, high thermal stability and long luminescence lifetime.
Owner:LUOYANG NORMAL UNIV
Motorcycle having evaporating fuel treatment apparatus
The invention provides a motorcycle including an evaporating fuel treatment apparatus arranged so as to improve an evaporating fuel treatment performance of an evaporating fuel storage container while achieving a space-saving. The motorcycle includes: a vehicle body frame (2) including a head pipe (3) configured to axially support a steering shaft (11), a main frame (4) extending rearwardly and downwardly from the head pipe, and a down tube (5) extending downwardly from the head pipe; an internal combustion engine (20) supported by the vehicle body frame and having a cylinder (22) extending upward from a crankcase; a fuel tank (35) arranged on the upper side of the main frame (4); and an air-intake apparatus (30) configured to supply air to the internal combustion engine, wherein an evaporable fuel storage container (41) configured to store evaporating fuel generated in the fuel tank of the motorcycle and supply the evaporating fuel to the air-intake apparatus when the internal combustion engine is in operation is arranged in a space on a lower side of the fuel tank and on a front or on an upper side of the cylinder of the internal combustion engine on an upper rear of the down tube.
Owner:HONDA MOTOR CO LTD
Power source
InactiveCN102217119APass wellImprove cooling effectFinal product manufactureCell temperature controlEngineeringElectrolyte
The disclosed power source is configured by winding a laminate which comprises: a molded body having two or more independent housing holes; a cathode and anode having a collector and a mixture layer disposed on said collector; and a separator sandwiched between said cathode and anode. Said power source has an electrode group housed in each of said housing holes and an electrolyte housed in each of said housing holes. Said electrolyte and either said cathode or said anode of said electrode group contact said molded body.
Owner:PANASONIC INTPROP MANAGEMENT CO LTD
Traditional Chinese medicine composition self-emulsifying soft capsule used for treating cold, and preparation method thereof
ActiveCN105055528AIncrease surface areaImprove solubilityAntiviralsCapsule deliveryAdditive ingredientMedicine
The invention discloses a traditional Chinese medicine composition self-emulsifying soft capsule used for treating cold, and a preparation method thereof. According to the preparation method, fructus forsythia, Rhizoma et Radix Notopterygii, and mint are weighed according to a certain ratio, and volatile oil of the three ingredients is extracted, and is mixed with grease, an emulsifying agent, and a co-emulsifier so as to obtain a self-microemulsifying concentrated solution; and the traditional Chinese medicine composition self-emulsifying soft capsule is prepared via a conventional method. The preparation method is simple; oral absorption effect can be improved; curative effect is exact and safe; stability is high; and quality is controllable.
Owner:SHANDONG LUOXIN PARMACEUTICAL GROUP STOCK CO LTD
Multilayer solid wood heating floor
InactiveCN103982934AFix security issuesSolve efficiency problemsLighting and heating apparatusElectric heating systemEnvironmental resistanceSolid wood
The invention provides a multilayer solid wood heating floor and belongs to the technical field of wood floors. The multilayer solid wood heating floor comprises a substrate plate, a decorative layer, far-infrared carbon fiber heating paper, an insulating layer, an aluminum foil, a heating floor conductive metal sheet and heating floor connecting terminals, wherein the substrate plate, the far-infrared carbon fiber heating paper and the decorative layer are pressed and integrally molded into a floor blank; the lower surface of the floor blank is provided with the insulating layer and the aluminum foil layer; two ends of the far-infrared carbon fiber heating paper in the floor bland are respectively provided with one heating floor connecting terminal; the connecting terminals are connected to a power supply by virtue of heating floor waterproof two-way male / female insulated plug power lines. The multilayer solid wood heating floor is characterized in that the substrate plate is prepared by pressing solid wood veneer; the far-infrared carbon fiber heating paper is arranged in the substrate plate and also can be arranged between the substrate plate and the decorative layer. The multilayer solid wood heating floor has the characteristics of safety, energy conservation, high thermal efficiency, high speed, simplicity in use, low cost and long service life; the solid veneer is adopted, so that the multilayer solid wood heating floor is environment-friendly and pollution-free.
Owner:欧邦智能家居(武汉)有限公司
Electrostatic dust remover with movable electrode plate
ActiveCN102430477BImprove cleanlinessEasy to collectExternal electric electrostatic seperatorElectrode constructionsDust controlEngineering
Owner:ENELCO ENVIRONMENTAL TECH ANHUI
Coaxial contra-rotating type propeller pitch-varying device
ActiveCN104494810ARealize synchronous torque conversionAchieve interchangePropellersReduction drivePropeller
The invention discloses a coaxial contra-rotating type propeller pitch-varying device. A pitch-varying rod penetrates in a center hole of an inner shaft of a speed reducer, the front end of the pitch-varying rod is fixed together with a front poking sleeve, each poking fork on the front poking sleeve is fixed on a front eccentric pin eccentrically fixed on each front paddle by virtue of a bearing; a pin is inserted and fixedly arranged on the pitch-varying just facing a rear poking sleeve, the pin penetrates in a strip-shaped hole of the inner shaft of the speed reducer along an axial direction; two ends of the pin are respectively fixed on an inner sleeve of a high-speed bearing, an outer sleeve of the high-speed bearing is fixed on the inner wall of the rear poking sleeve; each poking fork on the rear poking sleeve is fixed on a rear eccentric pin eccentrically fixed on each eccentric paddle by virtue of a bearing; the rear end of the pitch-varying rod is fixed on an outer sleeve of a dynamic-static conversion bearing, an inner sleeve of the dynamic-static conversion bearing is fixed on a fork lug inserted in a center hole of the pitch-varying rod, and the other end of the fork lug is fixed on a linear movement source. The coaxial contra-rotating type propeller pitch-varying device can be used for realizing synchronous pitching varying of paddles of two propellers, and is simple in structure, accurate in transmitting movement, and high in response speed.
Owner:AVIC HUIYANG AVIATION PROPELLER
Engine piston and engine comprising same
InactiveCN104832315AImprove cooling effectPass wellMachines/enginesPistonsCombustion chamberPiston ring
The present invention discloses an engine piston and an engine comprising same. The engine piston comprises an upper piston body and a lower piston body, wherein a combustion chamber sinking downward is formed in the upper end surface of the upper piston body; the lower piston body is connected with the upper piston body; a cooling chamber which is adjacent to the combustion chamber and extends up and down is defined between the upper piston body and the lower piston body; the cooling chamber is filled with a cooling medium; a piston ring is arranged on the peripheral surface of at least one of the upper piston body and the lower piston body. According to the engine piston of the embodiment of the present invention, the cooling chamber which is adjacent to the combustion chamber and which extends up and down is defined between the upper piston body and the lower piston body; when the engine piston moves up and down in a reciprocating manner, the cooling medium is capable of oscillating in the cooling chamber, driving the heat of the combustion chamber down and enabling the heat to be easily transmitted down; the temperature of the top of the engine piston and the temperature of the piston ring are reduced; the cooling performance is improved; the requirements of highly-intensified engines can be met.
Owner:BEIQI FOTON MOTOR CO LTD
A kind of far-infrared carbon fiber low-temperature conductive heating paper and preparation method thereof
InactiveCN102226325BIncrease surface areaPass wellNon-fibrous pulp additionSpecial paperFiberCarbon fibers
A far infrared carbon fiber low temperature conductive heating paper comprises an original pulp board, carbon fibers, nano far infrared negative ion powder and a diffusant. According to the invention, paper pulp is beaten and added with carbon fibers treated with carbonization processing, water phase processing and hydrophilism processing for dipping; after homogenizing and beating again, resistor of a mixed slurry is measured, and mixed slurry with a resistor within 2%-10% is manufactured into paper. The far infrared carbon fiber low temperature conductive heating paper prepared by the invention can heat uniformly, has high thermal conversion efficiency, near zero electromagnetic radiation, extremely small current density, and is safe for usage. In addition, the radiated far infrared light wave can activate water molecules in human body, raise blood oxygen content, enhance cell vitality, improve human body microcirculation and promote metabolism.
Owner:SHANGHAI RELI TECH GRP CO LTD
Three-fork-shaft-type noncircular bevel gear limited slip differential
ActiveCN104728387AImprove structural strengthImprove the locking factorDifferential gearingsLeft halfLimited-slip differential
The invention provides a three-fork-shaft-type noncircular bevel gear limited slip differential which is simple in structure, low in cost and high in strength. The three-fork-shaft-type noncircular bevel gear limited slip differential is provided with a differential shell, a left noncircular bevel half shaft gear, a right noncircular bevel half shaft gear and three noncircular bevel planetary gears. The left noncircular bevel half shaft gear is installed in a left half shell of the differential shell. The right noncircular bevel half shaft gear is installed in a right half shell of the differential shell. The three noncircular bevel planetary gears are installed in the differential shell through a three-fork shaft. The three-fork shaft is in a Y shape with three branch shafts. The three branch shafts are evenly distributed at equal angles. The three noncircular bevel planetary gears are meshed with the left noncircular bevel half shaft gear and the right noncircular bevel half shaft gear. The number of teeth of the noncircular bevel planetary gears, the number of teeth of the left noncircular bevel half shaft gear and the number of teeth of the right noncircular bevel half shaft gear are the same.
Owner:MILITARY TRANSPORTATION UNIV PLA
Guidewire
InactiveCN102813993ALow mechanical strengthAvoid deformationGuide wiresSurgeryBiomedical engineering
A guidewire (1) includes a core shaft (2), a coil body (3), and a tip portion (5). The coil body (3) covers a distal end portion of the core shaft (2). The tip portion (5) is formed by joining a distal end of the coil body (3) and a distal end of the core shaft (2) using metal solder. The tip portion (5) includes an outside diameter decreasing portion (5b) and a rounded, e.g. spherical cap-shaped or hemisphere-shaped, portion (6). The outside diameter of the outside diameter decreasing portion (5) decreases linearly in a direction of a distal end. The rounded portion (6) is positioned at a distal end of the outside diameter decreasing portion (5).
Owner:ASAHI INTECC CO LTD
Infrared plane reflection carbon fiber cable heating module and manufacturing method thereof
PendingCN106604424APositive technical effectPass wellLighting and heating apparatusElectric heating systemThermal radiationOptoelectronics
The invention discloses an infrared plane reflection carbon fiber cable heating module and a manufacturing method thereof. The infrared plane reflection carbon fiber cable heating module comprises an infrared plane reflection layer, an infrared carbon fiber heating cable and an infrared plane emission layer. The infrared carbon fiber heating cable is located in a fixed groove between the infrared plane reflection layer and the infrared plane emission layer. In the invention, a carbon fiber heating cable is changed into surface shape heating from linear heating, the carbon fiber heating cable can maintain good infrared performance when being used in a concrete environment and electric-thermal radiation conversion efficiency of the carbon fiber heating cable in the concrete environment can reach more than 60%.
Owner:SHANGHAI RELI TECH GRP CO LTD
Carbon fiber composite conductive paper and preparation method thereof
ActiveCN113699824APass wellEase of evacuationNon-fibrous pulp additionSpecial paperFiberCarbon fiber composite
The invention provides carbon fiber composite conductive paper. The carbon fiber composite conductive paper is prepared from raw materials in percentage by mass as follows: 55%-95.9% of matrix fibers, 2%-37.5% of short carbon fibers, 0.2%-2% of a graphene mixture, 0.1%-0.5% of a dispersant and 1.8%-5% of hot-melt adhesive fibers. The invention further provides a preparation method of the carbon fiber composite conductive paper. The problems that an electric heating material prepared from existing conductive paper is uneven in surface heating, too large in temperature difference, unstable in heating performance, short in service life, low in infrared radiance and the like are effectively solved. The carbon fiber composite conductive paper can be widely applied to various planar far infrared electric heating elements.
Owner:上海骏珲新材料科技有限公司 +1
Tb coordination polymer luminescent material based on two rigid ligands and preparation method of Tb coordination polymer luminescent material
InactiveCN108219161AHigh crystallinityNo pollution in the processLuminescent compositionsBenzoic acidPolymer science
The invention relates to a Tb coordination polymer luminescent material based on two rigid ligands and a preparation method of the Tb coordination polymer luminescent material. The chemical formula ofthe luminescent material is {[Tb(Tfpa)3 Tfba(phen)3.3H2O]}n, wherein n is greater than 1, Tfpa is 3,4,5,6-tetrafluoro-1,2-phthalic acid, Tfba is 2,3,4,5-tetrafluoro-benzoic acid, and phen is 1,10-phenanthroline. The material can be excited by near ultraviolet light and can emit green fluorescence. The polymer luminescent material prepared by the preparation method provided by the invention is better in crystallinity, free of toxicity or pollution, high in thermal stability, good in luminescent property, low in raw material cost, simple in preparation process equipment and suitable for industrial production, and can meet the requirements of rare earth fluorescent powder, fluorescent lamps with three primary colors, display in public places and lighting application fields.
Owner:LUOYANG NORMAL UNIV
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