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Three-dimensional porous copper-silicon-carbon composite integrated electrode and preparation method thereof
ActiveCN108807888AHigh strengthImprove toughnessMaterial nanotechnologyCell electrodesCarbon compositesOrganic film
The invention discloses a three-dimensional porous copper-silicon-carbon composite integrated electrode and a preparation method thereof. The preparation method comprises the following steps: preparing a copper silicon alloy from copper and silicon through a simple ball milling method, preparing a precursor through a nonsolvent-induced phase separation method combined with an organic film, preparing a three-dimensional porous copper-silicon film with certain toughness and mechanical strength through a solid phase sintering method of powder metallurgy, growing graphene and carbon nanotubes through a chemical vapor deposition method, and controlling the growth of graphene and carbon nanotubes by controlling temperature, gas intake time and an acetylene flow rate, so as to finally prepare thecopper-silicon-carbon composite integrated electrode. The three-dimensional porous structure can provide sufficient space for the volume expansion of silicon during the cycle process, and the graphene and carbon nanotubes with large specific surface area can form a stable SEI film, so as to prevent the pulverization and crushing of an electrode material, and finally maintain a stable electrochemical cycle. The three-dimensional porous copper-silicon-carbon composite integrated electrode and the preparation method thereof have wide practical application.
Owner:TIANJIN POLYTECHNIC UNIV
Welded steel tube for carrier roller and manufacturing method thereof
The invention discloses a welded steel tube for a carrier roller and a manufacturing method thereof. The welded steel tube comprises the compositions of, by mass, 0.050%-0.150% of C, 0.05%-0.26% of Si, 0.5%-1.50% of Mn, less than or equal to 0.010% of P, less than or equal to 0.005% of S, 0.02%-0.05% of Al, 0.1%-0.5% of Cr, 0.01%-0.05% of Nb, 0.01%-0.05% of V, 0.01%-0.05% of Ti and the balance Feand unavoidable impurities, a carbon equivalent Ceq is less than or equal to 0.4%, and a cold crack sensitivity index Pcm is less than or equal to 0.2%. The technical problems that machinability and the usage requirements of the welded steel tube for the carrier roller are inconsistent in the prior art, forming precision control is insufficient and the production requirements of the carrier rollercannot be met are solved. The technical effects that chemical elements of reasonable proportions are used, excellent cold-forming property and welding properties are achieved, the cracking of base metal or weld joints in pipe making is avoided effectively, and through reasonable hot rolling process design, the finished steel coil of hot rolling strip used for produced carrier rollers has a good shape and surface quality, good formability and abrasion resistance to adapt to the processing requirements of welded steel tubes used for the carrier rollers and meet the requirements for the use of welded steel tubes for the carrier rollers.
Owner:SHOUGANG CORPORATION +1
Intelligent pH value tester
InactiveCN105548304AEnsure safetySolve usage requirementsTransmission systemsMaterial electrochemical variablesTest efficiencyInformation processing
The invention belongs to the technical field of laboratory instrument application, and particularly discloses an intelligent pH value tester. The intelligent pH value tester comprises a casing, a hanging buckle and a groove which are arranged at the two ends of the casing respectively, as well as a power supply, a liquid crystal display, an information processing module, an early warning module, a glass electrode and an information receiving and sending module which are arranged in the casing respectively, wherein the power supply, the liquid crystal display, the early warning module, the glass electrode and the information receiving and sending module are connected with the information processing module respectively. The intelligent pH value tester has the benefits that firstly, the product design is reasonable in structure, the appearance is attractive and elegant, test efficiency is high, the test is precise, and the service life is long; secondly, during the use, a handheld part on the casing increases friction between the tester and a hand, and the tester can be taken up or put down stably (shock during the use is reduced), therefore, safety of the glass electrode is effectively guaranteed; thirdly, by means of a fluorescent layer, the use requirement in an outdoor dark environment is effectively met, and the application range is wide; fourthly, through the information receiving and sending module, the objective of remote reception, measurement and control is achieved.
Owner:SUZHOU TIANJIANHENG ELECTRONICS INFORMATION TECH CO LTD
Preparation method of lead lanthanum zirconate titanate piezoelectric ceramic formed by thermocuring powder injection molding
ActiveCN113045313AEvenly dispersedReduce viscosityCeramic shaping apparatusIncreasing energy efficiencyLead zirconate titanatePowder injection
The invention belongs to the technical field of piezoelectric ceramic additive manufacturing, and particularly relates to a preparation method of a lead lanthanum zirconate titanate piezoelectric ceramic formed by thermocuring powder injection molding. The method comprises the following steps: modifying lead lanthanum zirconate titanate piezoelectric ceramic powder to obtain piezoelectric ceramic fine powder with excellent performance; carrying out ball-milling mixing on the modified ceramic fine powder, a bonding resin, a curing agent and a diluent under vacuum to obtain uniformly dispersed piezoelectric ceramic slurry with moderate viscosity; injecting the prepared ceramic slurry into a heated mold, and carrying out thermocuring molding to obtain a ceramic green body; and finally, degreasing, sintering, silvering and polarizing the ceramic green body to obtain the compact lead lanthanum zirconate titanate piezoelectric ceramic. According to the invention, the prepared ceramic slurry is uniform in particle dispersion and low in viscosity, and can be thermally cured in a mold after powder injection to form a component, the component is high in strength and easy to transfer and sinter, and a sintered sample is high in density and excellent in electrical property, and meets the use requirements of piezoelectric devices.
Owner:CHANGZHOU UNIV
High-performance spray gun for molten iron injection pretreatment
The invention discloses a high-performance spray gun for molten iron injection pretreatment. The high-performance spray gun comprises a connection segment, a gun body segment and an injection segment, which are sequentially communicated, wherein a swirling diffuser is arranged between the gun body segment and the injection segment and comprises an upper cone, a cylinder and a lower reversed cone, which are sequentially communicated; 2-4 nozzles are uniformly formed between a main pipe of the spray gun and a seal head in the circumferential direction of the spray gun and positioned in the side wall of the injection segment; swirling pieces obliquely arranged on the outer wall from the top end of the lower reversed cone to the bottom end surface of the injection segment and positioned above the nozzles. By strengthening three key kinetic parameters of molten iron injection pretreatment, the spray gun significantly improves the kinetic conditions of molten iron injection pretreatment and achieves the comprehensive purposes of improving the sulfur removal efficiency of injection pretreatment and the utilization rate of desulfurizer reaction, shortening the injection time and increasing the production capacity of desulfurization equipment.
Owner:武汉钢铁有限公司
Low-noise beneficiation shaker equipment
InactiveCN108855576APracticalIncrease the feeding speedNon-rotating vibration suppressionWet separationLow noiseWater flow
The invention discloses low-noise beneficiation shaker equipment. The equipment comprises a shaker base, a transmission mechanism and a motor are fixedly mounted on the outer surface of the upper endof the shaker base, and the transmission mechanism is located on one side of the motor; a baffle and a beneficiation shaker bed surface are disposed on the portion, close to the middle, of the upper portion of the shaker base, and the outer surface of the rear end of the baffle is fixedly connected with the outer surface of the front end of the beneficiation shaker bed surface; a water tank is formed in the portion, close to one side, of the outer surface of the upper end of the beneficiation shaker bed surface, a mineral supply tank and a water supply tank are fixedly formed in the outer surface of the upper end of the water tank, and the mineral supply tank is located in front of the water supply tank. According to the low-noise beneficiation shaker equipment, the material separating speed of a beneficiation shaker can be increased, the efficiency of the beneficiation shaker is improved, mineral is prevented from being flushed away by water flow, a mineral collection effect of the beneficiation shaker is improved, an anti-noise effect of the beneficiation shaker can also be improved, and a better use prospect is brought.
Owner:石城县华辉选矿设备制造有限公司
Non-stick coating layer and coating process thereof
InactiveCN111171682AGood lubricityGood non-stickPretreated surfacesSpecial surfacesPolytetrafluoroethyleneFirming agent
The invention discloses a non-stick coating layer, which is prepared from the following raw materials in parts by weight: 40 to 50 parts of epoxy acrylate, 25 to 32 parts of polyacrylic acid fluorine-containing ester, 25 to 32 parts of poly (vinylidene fluoride-trifluoroethylene), 10 to 15 parts of polytetrafluoroethylene powder, 2.5 to 4 parts of a suspension dispersing agent, 1 to 1.4 parts of aleveling agent and 1.5 to 2 parts of a curing agent. The non-stick coating layer has excellent lubricating performance and excellent non-stick performance, can completely meet the use requirements ofvarious processing molds (such as various plastic demolding, baking molds and papermaking and textile industries), contains no demolding agent (the production efficiency can be improved), and has excellent durability; in addition, no silicone oil is contained, and the product is prevented from being polluted; the adhesive force with a base material is large, the loading capacity is large, the impact resistance is good, the flexibility is good, the comprehensive performance is good, and the service life is long.
Owner:骋润(嘉兴)新材料科技有限公司
Welding method of non-preheating before welding and non-heat-treatment after welding of V-N microalloying Q550D medium plate
ActiveCN106216817AImprove toughnessIncrease productivityArc welding apparatusWorkpiece edge portionsHeat-affected zoneThick plate
The invention belongs to the technical field of welding, and particularly relates to a welding method of non-preheating before welding and non-heat-treatment after welding of a V-N microalloying Q550D medium plate. Through selection of reasonable welding wires and optimization of welding parameters, the welding technology of non-preheating before welding and non-heat-treatment after welding is developed; a VN precipitated phase in austenite of V-N microalloying steel is used for promoting the acicular ferrite nucleation action, the toughness performance of a welding heat affected zone is improved, and the welding technology has the important significance in applying and popularizing of the V-N steel.
Owner:NORTHEASTERN UNIV
Preparation method of nano calcium carbonate for single-component MS (modified silicone) glue
ActiveCN109082245ALow oil absorptionReduce whitenessCalcium/strontium/barium carbonatesNon-macromolecular adhesive additivesDispersityHigh activity
The invention relates to a preparation method of nano calcium carbonate for single-component MS (modified silicone) glue and solves the problem that nano calcium carbonate applied to single-componentMS glue cannot balance moisture, oil suction, whiteness, dispersity, reinforcement and the like. High-activity limestone is combined with the advantages of a high gravity reactor, fast and low reactions are combined, and regular cubic nano calcium carbonate is prepared which is coated with a composite modifier; traditional thermal drying and vacuum low-temperature drying are combined so that properties of the nano calcium carbonate are more satisfactory to the requirement on the application of single-component MS glue. The nano calcium carbonate for single-component MS glue has low moisture content, small particle size, large BET (Brunauer, Emmett and Teller) surface area, high whiteness, low oil absorption and good dispersion convenience, has high filling quantity, high reinforcement, good storage stability and high whiteness for MS glue, and is suitable for mass use in indoor decoration.
Owner:SHANXI XINTAI HENGXIN NANO MATERIALS TECH CO LTD
Diaphragm filter cloth clips
ActiveCN101249331BQuick loading and unloadingRealize internal and external pinchingFiltration separationEngineeringMechanical engineering
The invention relates to a membrane filter cloth clamp for fixing a filter cloth, which includes the filter cloth clamp, a concave ring screwing surface in an inner ring surface of a filter cloth clamping ring is screwed on the screwing surface of the filter cloth clamp, an annular boss in the filter cloth clamping ring is matched with an annular concave platform in the filter cloth clamp, and a filter cloth inner clamp is clamped with the filter cloth clamp. The membrane filter cloth clamp has the advantages that firstly, the filter cloth clamp, the filter cloth clamping ring and the filter cloth inner clamp are matched and combined, then the membrane filter cloth clamp and the filter clamp form great friction coefficient and the fixed positioning which can be displaced, thereby avoidingthe shortcomings in the background technology and achieving the design purpose of the invention; secondly, facilitating the rapidly loading and unloading of the filter cloth .
Owner:HANGZHOU XINGYUAN FILTER TECH
Melting equipment and melting method for growing quartz crucible by thermal spraying
ActiveCN102730946ASolving Diffusion ProblemsGuaranteed crystallization rateGlass shaping apparatusThermal sprayingThermal printing
The invention provides melting equipment and a melting method for growing a quartz crucible by thermal spraying. Firstly, a set of melting equipment for the quartz crucible and comprises a control main machine; the control main machine is directly connected with a feeding system and a plurality of thermal spraying molding devices at the lower positions are connected with a lateral side of the feeding system; the control main machine is further connected with an inductance heater and relative auxiliary equipment; a crucible melting method based on the equipment utilizes a thermal spraying growing method to melt the crucible; after a crucible mold is cooled, a baiting device keeps the baiting stability; melting parameters are controlled by the control main machine and three times of thermal spraying molding are carried out by utilizing baiting pipes of the thermal spraying devices to prepare a finished product crucible. The crucible prepared by the invention can be effectively adapted to some requirements of characteristics of long use time, high temperature and high required purity on the quartz.
Owner:青海中昱新材料科技有限公司
Pipeline thermal insulation material as well as preparation method and application thereof
The invention relates to the field of chemical engineering, and particularly discloses a pipeline thermal insulation material as well as a preparation method and the application thereof. The pipelinethermal insulation material comprises a component A and a component B, the component B is polymerized diphenylmethane diisocyanate, and the raw materials of the component A comprise a plurality of polyols, n-pentane, a catalyst, a foam stabilizer, water and the like; the n-pentane is adopted as a foaming agent, the environment-friendly requirement is met, meanwhile, through selection of polyhydricalcohols and other auxiliaries, when the obtained pipeline heat preservation material is used, formed pipeline heat preservation foam is high in binding power with a base material, excellent in highand low temperature resistance and excellent in heat preservation performance, and the heat preservation using and environment-friendly requirements of a large-caliber pipeline are completely met; thepolyurethane composite material solves the problem that the existing polyurethane composite material for pipeline heat preservation can not completely meet the use performance requirement and the environment-friendly requirement of large-caliber pipeline heat preservation at the same time. The preparation method provided by the invention is simple and has a wide market prospect.
Owner:淄博汇德聚氨酯制品股份有限公司
PH value tester applied to laboratories
InactiveCN105699451AEnsure safetySolve usage requirementsMaterial electrochemical variablesFluorescenceLiquid-crystal display
The invention belongs to the technical field of application of laboratory instruments and particularly discloses a PH value tester applied to laboratories. The tester comprises a casing, a hanging buckle and a groove which are formed in two ends of the casing respectively as well as a power supply, a liquid crystal display, an information processing module, an early warning module and a glass electrode which are arranged in the casing respectively, wherein the power supply, the liquid crystal display, the early warning module and the glass electrode are connected with the information processing module. The PH value tester applied to the laboratories has the benefits as follows: 1, the product is reasonable in designed structure, attractive and elegant in appearance, high in test efficiency, precision in test and long in service life; 2, during usage, the friction force with a hand is increased by the aid of a handheld part on the casing, the tester is stably picked up or placed down (that is, vibration during usage is reduced), and the safety of the glass electrode is effectively guaranteed; 3, by the aid of a fluorescent layer, the requirement for usage in an outdoor dark environment is effectively met, and the application range is wide.
Owner:SUZHOU TIANJIANHENG ELECTRONICS INFORMATION TECH CO LTD
Watersoluble fluor resin non-stick paint and manufacture method thereof
InactiveCN100595244CSolve usage requirementsMeet the requirements of coating useSpecial surfacesEmulsion paintsPolymer scienceSurface-active agents
The invention relates to a waterborne fluororesin nonstick coating, which is formed by 40 to 70 portions of modified polyte-trafluoroethylene (PTFE) water base resin, 10 to 30 portions of high temperature resistance pigment, 1 to 5 portions of fluororesin additive, 1 to 5 portions of surfactant and 20 to 40 portions of antiwear filler. The waterborne fluororesin nonstick coating uses synthesis propylene acid water base resin for modifying trafluoroethylene PTFE water base resin, adopts acrylic acid fat second polymerization method and does not use an addition agent, the entire fluorine caprylate compound which is harmful to human body in the modification process; the modified resin forms mosaic and perforating network structure, has good temperature dispersing region, solves the problem ofthe adhesiveness of the coating and the base material and the problems of baking and cracking, thus improving the hardness of nonstick coating. The NU aqueous fluorine resin of the invention does notstick to coating, can be coated on the surfaces of a microwave oven, an electric cooker, a nonstick pan and an electromagnetic pan, etc. to play the roles of protecting the surfaces from being stuckwith food, and causing food and aluminum and other metals to be isolated.
Owner:TIANJIN COLOROAD COATING & CHEM
Horizontal bagging machine
The invention discloses a horizontal bagging machine, which comprises a mesh belt conveyor, a motor driving mechanism, a steel framework machine frame, a cylinder material flattening mechanism, a cylinder bag opening mechanism, a cylinder horizontal material pushing mechanism and a belt circulation operation conveying mechanism, wherein the motor driving mechanism is arranged at the end part of the bagging machine, the steel framework machine frame is arranged on the mesh belt conveyor, the cylinder material flattening mechanism and the cylinder horizontal material pushing mechanism are arranged on the steel framework machine frame, and the belt circulation operation conveying mechanism is vertically connected with the mesh belt conveyor. The horizontal bagging machine has the advantages that the quantity quantitative requirement of cylindrical materials and the use requirement of horizontal bagging material conveying are met, the modular mesh belt circulation operation conveying adopting the servo motor driving and the baffle plate is adopted according to the quantity quantitative requirement of the cylindrical materials, the cylinder bag opening is adopted according to the use requirement of the horizontal bagging material conveying, the cylinder material flattening and the cylinder horizontal material pushing forms are adopted, and bagged finished products are conveyed through belt circulation operation.
Owner:DALIAN JIALIN EQUIP MFG
Numerical control machine tool convenient to clean and wash
InactiveCN108818131APracticalEasy to cleanLarge fixed membersMaintainance and safety accessoriesNumerical controlEngineering
The invention discloses a numerical control machine tool convenient to clean and wash. The numerical control machine tool convenient to clean and wash comprises a numerical control machine tool base,wherein the outer surface of the upper end of the numerical control machine tool base is provided with a waste box, the outer surface of the upper end of the waste box is provided with a numerical control machine tool case, the outer surface of the front end of the numerical control machine tool case is provided with a controller, one side of the numerical control machine tool case is provided with a machine door, one side of the machine door is provided with a numerical control machine tool housing, and the outer surface of the front end of the machine door is movably provided with a protective ring. The numerical control machine tool convenient to clean and wash is provided with a rotary shaft, a fan and a controller, can provide convenience for a user to clean transparent plastic on theinner side of the machine door, can blow grains produced in the part machining process of the numerical control machine tool to the waste box, reduces the possibility that an operator is in contact with the grains, can also more visually show the running state of the machine tool and the machining state of articles and brings a better use prospect.
Owner:南京万卓机电有限公司
Audio data transmission method and electronic equipment
PendingCN112738672ASatisfied to enterEasy to disassembleMicrophonesMouthpiece/earpiece sanitary/hygienic devicesConvertersAudio power amplifier
The invention relates to the technical field of audio, in particular to an audio data transmission method and electronic equipment, and the electronic equipment comprises a box body, a power amplifier, a loudspeaker, a Bluetooth module, a USB interface, a TRS interface, a card reader, an audio filter, a sound effect converter, a temperature sensor, a control processor, a battery, a charging port and a change-over switch. The inner side of the box body is fixedly provided with an installation panel; an installation hole is formed in one side of the installation panel, the loudspeaker is fixedly connected to the inner side of the installation hole, a plurality of through holes are formed in one side of the box body, and the USB interface, the TRS interface, the card reader, the charging port and the selector switch are all fixedly connected to the inner sides of the through holes. Through arrangement of the audio filter, the sound effect converter, the temperature sensor, the control processor, the air inlet fan, the net-shaped mounting plate, the dismounting frame, the protective door and the U-shaped handle, the portable sound box has the functions of convenience in carrying, filtering, sound effect switching, intelligent heat dissipation, convenience in cleaning, dust prevention and the like.
Owner:深圳鑫宏力精密工业有限公司
Bus handle with adjustable height
InactiveCN102294971BHeight adjustableSolve usage requirementsVehicle arrangementsLocking mechanismEngineering
The invention discloses a bus handle with adjustable height. The bus handle comprises a fixing sleeve, a woven belt and a hand shank, wherein an upper end of the hand shank is provided with a telescoping system, one end of the telescoping system is provided with a locking mechanism, the woven belt passes through a woven belt hole at a lower end of the fixing sleeve, and another end of the woven belt is coiled in the telescoping system at the upper end of the hand shank; the fixing sleeve is composed of two clamping pieces, the upper end of the fixing sleeve is provided with a cross beam hole while the lower end thereof is provided with the woven belt hole; the telescoping system comprises a coiling block and a fixed shaft in the coiling block, the coiling block is connected with the wovenbelt, one end of the coiling block is provided with a tooth socket, one end of the fixed shaft is provided with a cross shaft type spline, the fixed shaft is provided with a tension spring, and one end of the tension spring is fixed on the fixed shaft while the other end thereof is fixed on the coiling block; and the locking mechanism comprises a chuck, jacking force spring, a camshaft piece and a push rod. Based on a machine design principle, the height of the bus handle can be adjusted so as to meet use requirements of different heights of people, and the bus handle is simple in structure and convenient to use.
Owner:刘元泉
Multi-wire pulley equipment
ActiveCN112607642AShort arm distanceReduce gapGear lubrication/coolingPortable liftingClassical mechanicsTraction cord
The invention belongs to the technical field of pulleys, and particularly relates to a multi-wire pulley device which comprises a pulley mechanism for a steel rope to bypass, pulley cantilevers for fixing the pulley mechanism and installing traction ropes, and a pin shaft for connecting the pulley mechanism with the pulley cantilevers. Under the condition of the same requirements on the pulley cantilevers, compared with a pulley cantilever on a traditional shackle type pulley, the pulley cantilevers in the shackle type pulley designed by the invention have the advantages that the arm distance is shorter; after long-time use, the increase degree of the face-to-face fit clearance between the pulley cantilevers and the pulley mechanism is small, then the probability that the clearance clamps the steel rope is relatively low, and the service life is long; and the pulley cantilevers are composed of two first cantilevers and two second cantilevers, when the two traction ropes need to be pulled in different directions, the two first cantilevers and the two second cantilevers are unfolded towards the two sides respectively to form traction points of the two pulley cantilevers in different directions, and the pulley cantilevers with the traction points in each direction are of a bilateral structure, so that the strength is high.
Owner:南京溧星晨电子科技有限公司
Blowout preventer shearing blade based on cumulative blasting cutting
The invention, which belongs to the key equipment of drilling control in the field of marine engineering, provides a blowout preventer shearing blade based on cumulative blasting cutting. The blowoutpreventer shearing blade applied to a well control device for offshore oil drilling and repairing mainly comprises a blade housing, an energy collection cover, an explosive, a waterproof protective layer, a fastener and an energy collection device housing. The blade is installed in a blowout preventer. When a drilling rod needs to be cut in case of emergency, the blowout preventer makes hydraulicmotion to push the blade to hold a drilling tool tightly; the energy collection cover is compressed on the surface of the drilling tool and the explosive is ignited; the energy collection cover is pressed by the instantaneous high pressure generated by explosive explosion to generate a metal jet and thus the drilling tool is cut off; and then the blowout preventer is turned off and sealed and thewell is sealed.
Owner:CHINA MERCHANTS HEAVY IND JIANGSU +1
Motor used for electric bicycle
InactiveCN102790437ASolve usage requirementsSuit one's needsElectric machinesMagnetic circuit shape/form/constructionElectric machineryMagnetic poles
The invention discloses a motor used for an electric bicycle. The motor comprises a central shaft, a silicon-steel sheet disposed outside the central shaft, a plurality of silicon-steel sheet grooves disposed on the silicon-steel sheet, magnetic pole pairs sleeved outside the silicon-steel sheet, a cylinder disposed outside the magnetic pole pairs, and a power line connected with the central shaft. A diameter of the silicon-steel sheet is 70-180mm. The motor is characterized by simple structure and convenient installation, and operating requirements of a small wheel bicycle are met. The motor can satisfy electric bicycle requirements of different types and sizes, and prolongs service life of the electric bicycle motor.
Owner:蔡国明
Melting equipment and melting method for growing quartz crucible by thermal spraying
ActiveCN102730946BSolving Diffusion ProblemsGuaranteed crystallization rateGlass shaping apparatusThermal sprayingThermal printing
The invention provides melting equipment and a melting method for growing a quartz crucible by thermal spraying. Firstly, a set of melting equipment for the quartz crucible and comprises a control main machine; the control main machine is directly connected with a feeding system and a plurality of thermal spraying molding devices at the lower positions are connected with a lateral side of the feeding system; the control main machine is further connected with an inductance heater and relative auxiliary equipment; a crucible melting method based on the equipment utilizes a thermal spraying growing method to melt the crucible; after a crucible mold is cooled, a baiting device keeps the baiting stability; melting parameters are controlled by the control main machine and three times of thermal spraying molding are carried out by utilizing baiting pipes of the thermal spraying devices to prepare a finished product crucible. The crucible prepared by the invention can be effectively adapted to some requirements of characteristics of long use time, high temperature and high required purity on the quartz.
Owner:青海中昱新材料科技有限公司
Coupling Axial Displacement Detector
ActiveCN103512462BDetect axial displacement dataEasy to carryMechanical measuring arrangementsAxial displacementCoupling
The invention discloses a detector for detecting axial displacement degree of a coupling. A rotatable square shaft assembly (7) is arranged between two telescoping slide ejector block assemblies (1). The tops of the two telescoping slide ejector block assemblies are provided with two tension springs (10) so that the two telescoping slide ejector block assemblies are connected. The bottom face and the two side faces of the telescoping slide ejector block assemblies and the rotatable square shaft assembly are provided with housings (2, 13). The middle of the bottom housing is provided with a long elliptic opening groove (21). One side of the opening groove is in ellipse shape and is provided with a dial gauge inlay sleeve (9), wherein the inlay sleeve is fixedly arranged on one telescoping slide ejector block assembly and is internally provided with a dial gauge in a close-fitting manner. The other side of the opening groove extends out of an ejector rod stop block (5), wherein the ejector rod stop block is fixedly arranged on the other telescoping slide ejector block assembly. A dial gauge detection ejector rod (6) supports the ejector rod stop block. A spanner clamps a square-edged shaft body shaft core (17) on the rotatable square shaft assembly and thus the telescoping slide ejector block assemblies can be driven to move. The dial gauge is capable of measuring movement amount of the telescoping slide ejector block assemblies.
Owner:BAOSHAN IRON & STEEL CO LTD
Rotating wheel structure of tail water generator set
PendingCN106870272AHigh strengthMeet the damageMachines/enginesEngine componentsStress conditionsHigh wear resistance
The invention aims to provide a rotating wheel structure of a tail water generator set. The structure comprises rotating wheels, reinforcing rings, slide devices, a bracket, a first bolt, a bearing base, channel steel, a support leg, a second bolt, a center main shaft and a connecting plate, and is characterized in that the rotating wheels are vertically distributed at two ends of the center main shaft; the circular reinforcing rings are respectively arranged on the two rotating wheels; the reinforcing rings are fixedly connected with the rotating wheels; and the slide devices are arranged on the outer side walls of the two rotating wheels, and are fixedly connected with the rotating wheels. One end of the channel steel is fixedly connected with the support leg through the second bolt, and the channel steel is tightly connected with the bracket through the connecting plate, so that the fixation of the bearing base is guaranteed under the stress condition of the rotating wheels; the reinforcing rings are arranged on the rotating wheels, and adopt materials of stainless steel, so that the strength of the rotating wheels can be reinforced, and the damage of the rotating wheels due to excessive stress in the use process is prevented; and the structure has the advantages of high wear resistance and corrosion resistance.
Owner:天津市创维机械设备制造有限公司
Preparation method of alcohol-soluble acrylic rosin resin
ActiveCN104559794BLight colorHigh softening pointInksNatural resin chemical modificationSolubilityWater based
The invention discloses a preparation method of alcohol soluble acrylic rosin resin and belongs to the technical field of rosin processing. The preparation method comprises the following steps: by taking rosin as a raw material, modifying by using acrylic acid; then, carrying out esterification reaction with glycerinum to obtain the alcohol soluble acrylic rosin resin. The prepared product alcohol soluble acrylic rosin resin has excellent performances of light color, high softening point, rapid dryness and good alcohol solubility, can satisfy the using requirement of environment-friendly water-based printing ink and alcohol soluble plate printing ink and is suitable for alcohol soluble and water-based products such as water-based coatings, oil polish and the like, and use of toxic organic solvents such as methylbenzene, dimethylbenzene, ethyl acetate and the like can be avoided.
Owner:广西梧州日成林产化工股份有限公司
A wavy sealing retaining ring combined rotary dynamic sealing structure
The invention relates to a wavy sealing check ring combined rotary dynamic sealing structure. The wavy sealing check ring combined rotary dynamic sealing structure is mainly composed of an abrasion-resisting and low-friction polymer check ring and a standard rubber O-shaped ring. In the working process of the sealing structure, the O-shaped sealing ring deforms under pressure of high-pressure liquid and is tightly attached along the wavy end face of the wavy check ring. In the high-speed rotation process of a pump shaft, the O-shaped sealing ring deforms in three directions and is tightly attached to the surfaces of a shell, the check ring and a rotary shaft, and it can be ensured that high-pressure liquid in another direction cannot leak out from a gap.
Owner:中国船舶重工集团公司第七0五研究所
An arc-shaped rubber fender, its preparation method and manufacturing equipment
ActiveCN109667243BAvoid damageExtended service lifeClimate change adaptationShipping equipmentRubber materialVulcanization
The invention belongs to the technical field of rubber fenders, and in particular relates to a circular-arc-shaped rubber fender as well as a method and equipment for making same. The whole circular-arc-shaped rubber fender has a circular-arc-shaped hollow structure, and comprises a rubber layer and a through hole; the bottom face of the rubber fender is in a smooth curve shape, and is jointed with the surface of a curve-shaped wharf or pier; the method comprises the following steps: 1, mixing the raw materials according to a ratio, and putting the obtained mixture into an internal mixer for mixing to obtain primary rubber; 2, putting the primary rubber into an extruder to obtain a semi-molded rubber material, wherein a discharge hole of the extruder is set into a closed loop type; 3, fixing the semi-molded rubber material in a sizing device, and vulcanizing to obtain the circular-arc-shaped rubber fender. The fender provided by the invention can be used for protecting buildings such as the circular-arc-shaped wharf and pier; the preparation method provided by the invention has the characteristics of being low in cost and easy to popularize.
Owner:QINGDAO TIANDUN RUBBER
Transparent printing film and manufacturing method thereof
ActiveCN102173108BIncrease contrastAvoid interferenceLayered productsSpecial ornamental structuresEngineeringAir bubble
Owner:广州市恩高实业有限责任公司
Material transportation device for closed installation of corridor
The invention relates to the technical field of building construction, in particular to a material transportation device for closed installation of a corridor. Two rails are fixed to an existing trusson the top of the corridor, a transport cart with wheel pairs and a frame is disposed on the rails, a driving device for driving the wheels to advance is further disposed on the frame, two wheels ofeach wheel pair are disposed on the two rails correspondingly, racks are disposed on the inner sides of the two rails correspondingly, and the inner sides of every two wheels are provided with gears meshing with the racks correspondingly. By means of the transportation device, no large machinery is needed any more, and therefore the use requirements and limitations of aloft material transportationfor machinery are effectively met and eliminated; the transportation device can quite stably and rapidly transport steel girders, and therefore great time can be saved, construction efficiency is improved, and safety risks are reduced; and the transportation device are quite available in material, low in cost and easy to install and detach and has quite high practicability.
Owner:MCC5 GROUP CORP SHANGHAI
Mulberry tree supporting device
PendingCN109122009AImprove stabilityReduce the impactCultivating equipmentsEngineeringMulberry trees
A mulberry tree supporting device comprises a supporting device main body, a plurality of groups of support rods are fixedly installed on the outer surface of the upper end of the supporting device main body through internal and external threads, a support disk is fixedly installed on the outer surface of the upper end of a plurality of groups of the support rods through internal and external threads, one side of the support disk is arranged above the upper end of the support device main body, support inclined bars are arranged on the outer surface, and one end of the support inclined bar is fixedly installed with a side bar through internal and external threads. The invention relates to a mulberry tree supporting device, firstly, it is possible to increase the stability of the entire supporting device, the impact of gale weather on the supporting device is reduced, and finally, a plurality of groups of mulberry tree branches are simultaneously supported, one supporting device can satisfy the need of one mulberry tree, the material is saved, the height of the supporting device can be adjusted according to the height of the mulberry tree, the use orientation of the device can be enlarged, the state of the mulberry tree can be maintained, the deflection of the mulberry tree can be avoided, and a better use prospect can be brought.
Owner:阜阳市辉源果桑科技产业园有限公司
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