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Design method for mixing proportion of self-compacting concrete mixture
ActiveCN105224727AQuick lockPrevent disengagementSpecial data processing applicationsParticulatesVoid ratio
The present invention belongs to the technical field of concrete construction and particularly relates to a design method for a mixing proportion of a self-compacting concrete mixture. The method comprises the steps of: determining a performance design target; determining mixing strength and a water-binder ratio; determining densest gradation (or a sand rate) of aggregates and void ratios of different packing states; determining the usage amount of binding materials and mixing water; determining the usage amount of the aggregates; determining the usage amount of additives; determining the actual adding amount of the mixing water; and the like. According to the method provided by the present invention, aimed at blindness of material selection during self-compacting concrete mixing proportion design in the prior art, based on a fundamental theory of particulate dense packing and a composition rule of reaching a densest packing state of solid particulate materials with different particulate diameters, a mixing proportion of different materials is determined by an actually measured densest packing state, and relationships are established between the material mixing proportions corresponding to different densest packing states and expected self-compacting performance grades of the mixture, so that the design method used for the mixing proportion of the self-compacting high-performance concrete mixture and based on a use performance as a target is constructed.
Owner:ZHENGZHOU UNIV
Support rotating undisturbed soil sampling device
InactiveCN1609583AReduce volumeEasy to disassembleWithdrawing sample devicesBorehole/well accessoriesSoil horizonGeotechnical engineering
The tripod type rotary intact soil sampler includes detachable handle, external thread drilling rod, tripod, drilling rod fixer with inner thread, diameter regulating and fixing plate, soil sample sleeve pressing plate, soil sample sleeve fixing ring, cutter, roller fixer, tripod fixing rods, bubble level, soil sample container, etc. The present invention has small size, low cost and easy carrying about, and may be used in sampling soil near the original state for geotechnical engineering and scientific research.
Owner:NORTHWEST A & F UNIV
Railway wagon brake pipe system joint body all-position welding device
ActiveCN102773650AGuaranteed relative sizeGuaranteed positioning accuracyWelding/cutting auxillary devicesAuxillary welding devicesEngineeringTruck
The invention discloses a railway wagon brake pipe system joint body all-position welding device, belongs to welding production equipment, and in particular relates to a welding device of a long and large brake pipe system. The railway wagon brake pipe system joint body all-position welding device comprises a support platform. The key technology is that a pneumatic three-jaw chuck and a rotary platform driven by a direct-current motor are fixedly installed on the support platform; the rotary platform and the pneumatic three-jaw chuck are coaxial, and the rotary platform rotates relative to the pneumatic three-jaw chuck; a pneumatic V-shaped clamping component is arranged in a position on the support platform, which is corresponding to the pneumatic three-jaw chuck; and an auxiliary bracket is arranged in a position corresponding to the pneumatic V-shaped clamping component. According to the invention, a brake pipe system can be welded in a convenient, safe and labor-saving way in all positions; the positioning accuracy is high; the production safety is ensured; the welding quality is high; unqualified products are reduced; and the production efficiency is high.
Owner:CRRC MEISHAN
Die-cutting integrated machine with base material adhesive tape and protection film and cutting method
ActiveCN104526764ARealize automatic production of mechanical integrationIncrease productivityMetal working apparatusArticle deliveryTectorial membraneControl system
The invention discloses a die-cutting integrated machine with a base material adhesive tape and a protection film. The die-cutting integrated machine with the base material adhesive tape and the protection film comprises a machine station, an adhesive tape feeding system, a protective film feeding and processing system, a die-cutting system, an operation box, a control system and a power source; the adhesive tape feeding system is responsible for automatic feeding of adhesive tapes, the protective film feeding and processing system is responsible for automatic feeding of coil stock films, the die-cutting system is responsible for automatic die-cutting of the adhesive tapes and the films, the operation box and the control system are connected with the power source and various parts to control the start-up and shut-down of the various parts. A cutting method by using the die-cutting integrated machine comprises the first step of feeding adhesive tapes, the second step of feeding the protective films, the third step of setting process parameters, the fourth step of cutting which is composed of moving to locate and die-cutting, and the fifth step of checking products and packaging the products. The separation processes of the adhesive tapes and manual pasting are changed into integration production of machinery, so that protective film strips can be pasted onto the base bands of the adhesive tapes and once forming is achieved, the product quality is good, and the production efficiency is high; the operating steps are simple, convenient and reasonable by adopting the method of the integrated machine to cut, and the industrial popularization and application of the die-cutting integrated machine are facilitated.
Owner:朗捷威(上海)智能装备有限公司
Lifting-up weighing sorting system used for logistics automatic production line and sorting method thereof
PendingCN108325862ASimple structural designThe weighing and sorting process is fast and accurateSortingProduction lineElectricity
The invention relates to a lifting-up weighing sorting system used for a logistics automatic production line and a sorting method thereof. a small and medium-sized enterprise generally uses manual work for collection, arrangement, classification and backing to a warehouse, certain large-scale manufacture enterprises increase different extra transport lines for different types of cargos and palletsfor backing to the warehouse, the efficiency is low, and the logistics cost is high. A pressure sensor is arranged at each support rod, a photoelectric sensor and a scanner are respectively arrangedat two sides of a roller conveyer, an induction end and a scanning end of the photoelectric sensor orient a gap of two support rods, the photoelectric sensor is electrically connected with a PLC controller, the scanner is electrically connected with a host computer, and a motor is electrically connected with the PLC controller. The method comprises a lifting-up heavy step, a static state weighingstep under a stable stopping state, a scanning analysis step, a decrease step, a classification step, and a dynamic weighing step. The system and the method are used for sorting the cargo.
Owner:BEIJING WUZI UNIVERSITY
Air cooler filter screen device convenient to disassemble
InactiveCN106225206AEasy and reasonable operationShorten the timeLighting and heating apparatusSpace heating and ventilation detailsEngineeringComputer engineering
The invention provides an air cooler filter screen device convenient to disassemble. The air cooler filter screen device convenient to disassemble comprises a fan shell and a filter screen, wherein the filter screen comprises an upper mounting plate and a lower mounting plate; a baffle plate is arranged at each of the two ends of the upper mounting plate; springs are arranged on the inner sides of the baffle plates; the tail ends of the springs are mounted on the inner wall of the upper mounting plate; a limiting plate is arranged in the upper central position of the upper mounting plate; the baffle plates fit upper convex plates; a latch is arranged at each of the two ends of the lower mounting plate; connecting rods are arranged at the lower ends of the latches; gears are arranged at the tail ends of the connecting rods; operating rods are further arranged on the gears; combination plates are arranged under the gears; and the latches fit lower convex plates. According to the air cooler filter screen device, the filter screen is mounted inside an inner cavity of the fan shell, during the disassembly and mounting process, the fan shell does not need to be disassembled, the power supply does not need to be cut off, the operation is easier, more convenient and reasonable, and time is saved.
Owner:TIANJIN GOLDEN WHEEL BICYCLE GRP
Method for rapidly breeding Cynoglossus Semilaevis Gunther in soil pond
InactiveCN101699996AImprove survival rateEasy and reasonable operationClimate change adaptationPisciculture and aquariaExopalaemon carinicaudaAquatic product
The invention discloses a method for rapidly breeding Cynoglossus Semilaevis Gunther in a soil pond, comprising the following steps of soil pond selecting, advanced fry stocking, breeding management, harvesting and the like. The invention has convenient and reasonable operation, and the survival rate reaches more than 90 percent. The invention can also be used for breeding aquatic products of Exopalaemon carinicauda and the like.
Owner:石斌 +1
Intelligent binding system for cargo transportation
ActiveCN112193479AImprove the protective effectImprove securityCharacter and pattern recognitionLoad securingControl signalControl engineering
The invention provides an intelligent binding system for cargo transportation, and belongs to the technical field of cargo transportation. The intelligent binding system solves the problem that in theprior art, the binding safety in the cargo transportation process is difficult to guarantee. The intelligent binding system for cargo transportation comprises at least two binding devices, each binding device comprises a retracting and releasing device, and each retracting and releasing device comprises a power mechanism connected with a controller and a tension sensor used for collecting a binding belt tension signal. The intelligent binding system further comprises a control center, a camera and a display input unit, the control center is arranged on a vehicle, the camera is used for collecting the cargo binding state in the transportation process, the display input unit is used for displaying the cargo binding state and the tensioning force of each binding belt and inputting the tensioning force adjusting value of each binding belt, and the control center comprises a receiving module, a main control module and a conveying module; and each controller can control the corresponding power mechanism to act when receiving the tension adjusting value control signal of each binding belt. According to the intelligent binding system, the binding safety in the cargo transportation processcan be improved.
Owner:ZHEJIANG TOPSUN LOGISTIC CONTROL CO LTD
Phosphate cement mortar matching method
ActiveCN110372320AThe mixing ratio is accurateQuick mixDesign optimisation/simulationSpecial data processing applicationsWater usePhosphate
The invention discloses a phosphate cement mortar matching method. The phosphate cement mortar matching method comprises the following steps of (1) determining target performance, including a target strength average value fMKPCM, m and consistency C0 of phosphate cement mortar, of the phosphate cement mortar; (2) according to the target intensity average value fMKPCM, m, which is set in advance, of the phosphate cement mortar, determining production strength fMKPCM, 0 of the phosphate cement mortar; (3) according to the consistency C0, which is set in advance, of the phosphate cement mortar, determining unit water use Mw0 of the phosphate cement mortar; (4) determining a water-binder ratio w / b, and according to the water-binder ratio w / b, calculating the dosage of phosphate cement; and (5)determining the dosage Ms0 of sand. By means of the method, a matching ratio of the phosphate cement mortar can be obtained accurately and fast on the basis of the target use performance, operation of the method is simple, convenient and reasonable, manpower and material resource waste brought by repeated tentative production and adjustment is avoided, and the method has good operability and practicability.
Owner:SOUTHEAST UNIV
Chaotic and filtering system combined weak signal detection method
InactiveCN106855585AEnhanced inhibitory effectHigh feasibilityCurrent/voltage measurementWave shapeChaotic systems
The invention discloses a chaotic and filtering system combined weak signal detection method. An acoustic wave transmitter transmits a group of weak cosine or square wave acoustic wave signals of which the frequency is w to an acoustic wave receiver, and the acoustic wave receiver converts the signals into cosine wave or square wave electrical wave signals of the same frequency to be inputted to a Duffing-Homes chaotic system; the parameters of the Duffing-Homes chaotic system are adjusted before receiving signals so that the voltage waveform outputted by a variable y is enabled to be chaotic waveform; if the voltage waveform outputted by the Duffing-Homes chaotic system y is changed into the cosine electrical wave waveform of which the frequency is w from the chaotic waveform, the filtering system outputs the cosine electrical waves of the same frequency, which indicates that the acoustic wave receiver receives a weak signal of which the frequency is w; and if the voltage waveform outputted by the chaotic system variable y still is the chaotic waveform, the chaotic electrical waves are filtered by the filtering system, and the filtering system outputs 0V voltage, which indicates that the acoustic wave receiver does not receive any weak signal. According to the method, the conventional detection technology can be replaced so that detection of the weak cosine wave or square wave acoustic wave signals can be guaranteed.
Owner:YANSHAN UNIV
Full-screen mobile phone
PendingCN108650359ADoes not affect normal useEasy to operateTelephone set constructionsComputer scienceMobile phone
The invention discloses a full-screen mobile phone. The full-screen mobile phone comprises a mobile phone body (100), a startup and shutdown button (101) of any size at the top of the mobile phone body (100), and an upper receiver (102) arranged on the startup and shutdown button (101), wherein the startup and shutdown button (101) is popped up from the top of the mobile phone body (100) to be ina startup state and is displayed on a bright screen, and the startup and shutdown button (101) is withdrawn to the interior of the mobile phone body (100) to be in a shutdown state or a standby state.According to the full-screen mobile phone, the startup and shutdown button is arranged at the top of the mobile phone body, the startup and shutdown button is popped up from the top when the startupand shutdown button is used, and the startup and shutdown button is withdrawn when the startup and shutdown button is not used, so that the startup and shutdown button cannot occupy the space of a front panel of the mobile phone; and furthermore, components such as the receiver, a camera, a breathing lamp and the like are all arranged on the startup and shutdown button, so that the components suchas the receiver, the camera, the breathing lamp and the like cannot occupy the space of the front panel of the mobile phone, and thus the space of the front panel of the mobile phone body can be usedas the full screen as much as possible.
Owner:特兰旗(厦门)科技有限公司
Slitting device of electrolytic copper foil crude foil engine
PendingCN112976137AEasy to operateEasy to cutMetal working apparatusElectroforming processesCopper foilEngineering
The invention discloses a slitting device of an electrolytic copper foil crude foil engine. The device comprises a base, a first slitting roller, a second slitting roller and a cutting knife, a first damping seat is fixedly installed on the left side of the base, a material conveying motor is fixedly installed on the first damping seat, a material conveying roller is fixedly installed at an output end of the material conveying motor, a supporting frame is fixedly installed on the base, a first feeding roller and a second feeding roller are respectively and rotationally installed on the two side of the supporting frame, a cutting table is fixedly installed between the supporting frame, the material conveying roller is in transmission connection with the first feeding roller through a first conveying belt, and a first pressing roller matched with the first feeding roller is rotationally installed on the supporting frame. The device is reasonable in structure and convenient to operate, the purpose of integrating slitting and cutting is effectively achieved, and meanwhile, the effect of conveniently collecting materials is achieved.
Owner:江西铜博科技有限公司
A design method of mix proportion of self-compacting concrete mixture
ActiveCN105224727BQuick lockPrevent disengagementSpecial data processing applicationsStructural engineeringSolid particle
The invention belongs to the technical field of concrete construction, and in particular relates to a method for designing the mixing ratio of self-compacting concrete mixture. The method includes: determining the performance design target, determining the preparation strength and water-binder ratio, determining the densest gradation (or sand rate) of the aggregate and the void ratio of different packing states, determining the amount of cementitious material and mixing water, determining the amount of bone Steps such as determining the amount of materials used, determining the amount of admixtures, and determining the actual amount of mixing water added. The present invention aims at the blindness of material selection in the design of self-compacting concrete mix ratio in the prior art, based on the basic theory of dense accumulation of particles and the composition law of solid particle materials with different particle sizes reaching the most densely packed state, the measured most densely packed state Determine the mix ratio of different materials, and at the same time establish a relationship between the mix ratio of materials corresponding to different close-packed states and the expected self-compacting performance level of the mixture, and build a set of self-compacting high-performance concrete mixtures based on the use performance as the goal. than the design method.
Owner:ZHENGZHOU UNIV
Production method of coking crude phenol by cyclic decomposition by gas and co-producing light calcium carbonate
InactiveCN110330408AEasy and reasonable operationReduce corrosionCalcium/strontium/barium carbonatesOrganic chemistryDecompositionMixed gas
The invention relates to a production method of coking crude phenol by cyclic decomposition by gas and co-producing light calcium carbonate and aims to be convenient and reasonable to operate and reduce equipment corrosion. The production method comprises the following steps: distilling high-temperature coal tar to obtain a carbolic oil, naphthalene oil and absorber oil mixed fraction, and washingthe fraction in a vertical washing tower with NaOH aqueous solution to remove phenol; conveying a sodium phenolate solution to the upper part of a primary decomposition tower to be in reverse contactwith CO2 mixed gas to be decomposed to generate crude phenol and sodium carbonate; stationarily separating crude phenol and a Na2CO3 solution; conveying primary crude phenol to the upper part of a secondary decomposition tower to be further decomposed; feeding the separated Na2CO3 solution to a causticizer, wherein the cruder phenol self-flows to a crude phenol product tank, and causticizing mother liquor self-flows to a filtering centrifugal machine to separate solid CaCO3 and a liquid NaOH aqueous solution; lifting the solid CaCO3 to a washer to be washed by a vertical lift, wherein the solid CaCO3 self-flows to the filtering centrifugal machine; and feeding the solid CaCO3 into a roller drier by a belt conveyor, and drying the solid CaCO3 for 20 minutes at 300-350 DEG C to prepare a light calcium carbonate semiproduct.
Owner:山西永东化工股份有限公司
Application method of special resin for extracting amino acid
ActiveCN104922932AEasy and reasonable operationExtended service lifeIon-exchange process apparatusIon-exchanger regenerationChemistryNH3 compound
The invention relates to an application method of special resin for extracting amino acid, and relates to the technical field of resin. The application method is characterized by comprising the following steps in sequence: (1) enabling 3% to 4% dilute hydrochloric acid (HCL) to dynamically flow by resin at a flow rate of 5m / h, wherein the consumption of the hydrochloric acid solution is at least 1.5 times of the volume of the resin; (2) replacing the hydrochloric acid, then washing the resin by utilizing soft water until the pH value of the resin is neutral; (3) then washing a regenerative agent by utilizing soft water until the pH value of water discharged from the resin is 4 to 7, and then utilizing the resin; (4) running normally, controlling the flow rate of an amino acid fermenting solution, and controlling the retention time of the amino acid fermenting solution in a resin column at 30 to 40 minutes; (5) washing away free impurities by utilizing pure water or salty water resin; (6) washing amino acid in the resin by utilizing 5 to 8 ammonia water. The method is convenient and reasonable to operate, the adsorption capacity of the resin for extracting the amino acid can be sufficiently realized, and the service life can be prolonged.
Owner:安徽皖东树脂科技有限公司
A kind of using method of special resin for amino acid extraction
ActiveCN104922932BGive full play to the adsorption capacityEasy and reasonable operationIon-exchange process apparatusIon-exchanger regenerationAmino acid fermentationRetention time
The invention relates to an application method of special resin for extracting amino acid, and relates to the technical field of resin. The application method is characterized by comprising the following steps in sequence: (1) enabling 3% to 4% dilute hydrochloric acid (HCL) to dynamically flow by resin at a flow rate of 5m / h, wherein the consumption of the hydrochloric acid solution is at least 1.5 times of the volume of the resin; (2) replacing the hydrochloric acid, then washing the resin by utilizing soft water until the pH value of the resin is neutral; (3) then washing a regenerative agent by utilizing soft water until the pH value of water discharged from the resin is 4 to 7, and then utilizing the resin; (4) running normally, controlling the flow rate of an amino acid fermenting solution, and controlling the retention time of the amino acid fermenting solution in a resin column at 30 to 40 minutes; (5) washing away free impurities by utilizing pure water or salty water resin; (6) washing amino acid in the resin by utilizing 5 to 8 ammonia water. The method is convenient and reasonable to operate, the adsorption capacity of the resin for extracting the amino acid can be sufficiently realized, and the service life can be prolonged.
Owner:安徽皖东树脂科技有限公司
A kind of phosphate cement mortar proportioning method
ActiveCN110372320BThe mixing ratio is accurateQuick mixDesign optimisation/simulationComputational theoretical chemistryStructural engineeringCement mortar
Owner:SOUTHEAST UNIV
Minimally Invasive Percutaneous Atlas Posterior Internal Fixation System
InactiveCN106236233BCompact structureEasy and reasonable operationInternal osteosythesisHuman bodyMedicine
The invention discloses a minimally invasive percutaneous atlas posterior inner fixing system, which comprises an arc-shaped frame body, two side block screws and a connecting rod, wherein the arc-shaped frame body covers the back neck of the human body; the two side block screws are arranged on an atlas side block; the connecting rod connects the two side block screws; the inner arc shape of the arc-shaped frame body is matched with the radian of the back neck of the human body; four through holes are formed in the arc-shaped frame body, and are respectively a first through hole, a second through hole, a third through hole and a fourth through hole from the left side to the right side; the first through hole, the connecting rod and the fourth through hole are positioned on the same straight line; the second through hole and the third through hole are respectively positioned on the same straight line with the two side block screws. The minimally invasive percutaneous atlas posterior inner fixing system has the advantages that simplicity and compactness are realized; the operation is convenient and reasonable; the operation can be completed by a minimally invasive small cut, so that the operation is faster, more convenient and more effective; the rehabilitation of a patient is promoted.
Owner:赵群
Support rotating undisturbed soil sampling device
InactiveCN1280621CEasy and reasonable operationReduce volumeWithdrawing sample devicesBorehole/well accessoriesEngineeringSoil horizon
Owner:NORTHWEST A & F UNIV
Novel energy-saving vacuum oven
ActiveCN101859915BIncrease profitImprove utilization efficiencyFinal product manufactureElectrolyte accumulators manufactureVacuum pumpingHeat transmission
Owner:SHENZHEN XINYUREN TECH
A large bearing ring positioning groove device
ActiveCN105736587BEasy and reasonable operationAvoid mismatchBearing componentsEngineeringDistance sensors
The invention discloses a positioning and grooving device for a large bearing ferrule. The positioning and grooving device comprises a fixing device and a grooving device; the fixing device comprises a fixing bottom plate, a fixing cover plate, an inner race positioning column, an outer race positioning ring and grooving guide slots; the grooving device comprises a first motor, a first rotating shaft, an electric telescoping cylinder, a second motor, a second rotating shaft, a grooving edge, a positioning and detecting pole and a distance sensor. According to the positioning and grooving device disclosed by the invention, an inner race and an outer race of a bearing can be grooved together; meanwhile, detection and positioning can also be performed in a grooving process to adjust positions and depth of grooves at any time, so that a problem that the inner race and the outer race of the bearing are not matched in groove is avoided, and quality of a bearing product is effectively ensured.
Owner:新昌新天龙纽尚精密轴承有限公司
Punching and cutting machine with base tape and protective film and cutting method
ActiveCN104526764BRealize automatic production of mechanical integrationIncrease productivityMetal working apparatusArticle deliveryTectorial membraneProduct inspection
Owner:朗捷威(上海)智能装备有限公司
Drum rivet automatic forming machine
The invention relates to an automatic forming machine for grip-punched rivets. The automatic forming machine comprises an assembling feeding mechanism, a rivet body and rivet core grip-punching disc rotating mechanism, an assembling forming mechanism and a grip-punching forming mechanism. The assembling feeding mechanism is connected with the rivet body and rivet core grip-punching disc rotating mechanism. The rivet body and rivet core grip-punching disc rotating mechanism is connected with the assembling forming mechanism. The assembling forming mechanism is connected with the grip-punching forming mechanism. The grip-punching forming mechanism is connected with the assembling feeding mechanism. The automatic forming machine is compact and reasonable in structure; a blind rivet assembling machine and a grip punching machine are combined together ingeniously, so that assembling and grip punching are conducted at the same time to achieve integral formation; the automatic forming machine is easy, convenient and reasonable to operate, suitable for mass production, high in speed, capable of working continuously and high in safety; occurrence of safety accidents is completely eradicated; product quality is improved; and the defective rate is decreased.
Owner:WUXI ANSHIDA HARDWARE
Sterilization drinking cup
PendingCN112244602AVersatile and user-friendlyEasy to operate and reasonableBatteries circuit arrangementsWater/sewage treatment by irradiationWater drinkingEngineering
Owner:广东波达电子科技有限公司
Novel unmanned plant protection aerial vehicle liquid level detection device
InactiveCN106370269AEasy and reasonable operationLevel indicators by physical variable measurementInlet valveLiquid storage tank
The invention discloses a novel unmanned plant protection aerial vehicle liquid level detection device and belongs to the technical field of agricultural plant protection. The detection device comprises an installation base, a gas inlet valve, a circuit case, a measuring tube and a mobile magnet ring, and the device is installed on a liquid storage tank of the unmanned plant protection aerial vehicle; the measuring tube and the mobile magnet ring are combined to achieve the function of slide rheostat; the gas inlet valve is installed on the installation base; the circuit case comprises a round shell body and a circuit board; powered by an external power supply, when the device works, the mobile magnet ring floats on the liquid level of the liquid storage tank and slides vertically along the measuring tube as the liquid level changes, and the circuit board conducts measurement on a resistance of the measuring tube which is converted into a voltage and a current signal through a circuit. The novel unmanned plant protection aerial vehicle liquid level detection device can provide accurate, intuitive and reliable data of the liquid level of the liquid storage tank for unmanned plant protection aerial vehicle work, improves efficiency of plant protection work, and facilitates monitoring of unmanned plant protection work.
Owner:TAIAN INST OF AGRI MACHINERY SCI SHANDONG PROV
Design method of steel fiber self-compacting concrete mix ratio based on rheological properties of mortar
ActiveCN109626886BReduce wasteImprove design accuracyRatio controlStructural engineeringUltimate tensile strength
The invention discloses a mixing ratio design method of steel fiber self-compacting concrete based on the rheological characteristics of mortar, which includes establishing a steel fiber concrete expansion degree SF prediction model; The mix ratio of self-compacting concrete mortar; the yield stress and plastic viscosity of the mortar are tested by the rotating ball method, and the measured yield stress of the mortar is substituted into the steel fiber concrete expansion degree SF measurement model to predict the expansion degree of the steel fiber concrete; the design accuracy is higher Higher, closer to reality, can better complete the optimization and performance control of the components in the material selection process, the overall design steps and ideas are clear, the operation is simple and reasonable, avoiding the blindness, It reduces the time, manpower, material and energy waste caused by repeated trial and adjustment, so it has better operability and practicability.
Owner:CHONGQING JIAOTONG UNIVERSITY +1
Water spraying dust removal device for cunninghamia lanceolata essential oil production
InactiveCN112156592AAchieve recyclingRealize recyclable waterGas treatmentUsing liquid separation agentWater useWater saving
The invention discloses a water spraying dust removal device for cunninghamia lanceolata essential oil production, and belongs to the technical field of waste gas treatment. The water spraying dust removal device for cunninghamia lanceolata essential oil production comprises a support, the top of the support is fixedly connected with a spraying tank, and the left side of the spraying tank is fixedly connected with an air inlet pipe; the right end of the air inlet pipe penetrates through and is fixedly connected to the interior of the spraying tank, a grid is fixedly connected to the interior of the spraying tank and located over the right end of the air inlet pipe, and an exhaust port is formed in the top of the spraying tank. The top of a support is fixedly connected to the bottom of a spraying tank, the right end of an air inlet pipe penetrates through and is fixedly connected to the interior of the spraying tank, the interior of the spraying tank is fixedly connected to the outer side of a grid, the grid is located over the right end of the air inlet pipe, an exhaust port is formed in the top of the spraying tank, and the right side of the bottom of the spraying tank is fixedlyconnected to the top of a water tank. Therefore, the device has the advantages of being capable of recycling water, water-saving, environment-friendly and good in spraying dust removal effect.
Owner:JIANGXI TIANMEI BIOTECH CO LTD
Method for protecting chip in chip thinning process
ActiveCN101982870BImprove protectionLow costSemiconductor/solid-state device manufacturingAdhesiveThinning
The invention discloses a method for protecting chip in chip thinning process. A 3193 type or 319Y type hot stripping foil, a vacuum pad and a stripping heater are adopted, the 3193 type or 319Y type hot stripping foil is used for covering the front of silicon chip product, so as to carry out the chip thinning process, after chip thinning is qualified, and heating and stripping are carried out. The method of the invention is reasonable and simple, and chip front protection effect in the chip thinning process is good. The 3193 type or 319Y type hot stripping foil adopts hot foaming stripping adhesive, thus adhesive strength at normal temperature is extremely high, when temperature is increased to 135-145 DEG C, adhesive is foamed, stripping resistance is greatly reduced, so that stripping is easy, membrane can not be torn or remain on the surface of the silicon chip product, and meanwhile no adhesive residue is remained, operation is convenient, production material cost is saved, and product quality and working efficiency are greatly improved.
Owner:扬州晶新微电子有限公司
Railway wagon brake pipe system joint body all-position welding device
ActiveCN102773650BGuaranteed relative sizeGuaranteed positioning accuracyWelding/cutting auxillary devicesAuxillary welding devicesRotary stageEngineering
The invention discloses a railway wagon brake pipe system joint body all-position welding device, belongs to welding production equipment, and in particular relates to a welding device of a long and large brake pipe system. The railway wagon brake pipe system joint body all-position welding device comprises a support platform. The key technology is that a pneumatic three-jaw chuck and a rotary platform driven by a direct-current motor are fixedly installed on the support platform; the rotary platform and the pneumatic three-jaw chuck are coaxial, and the rotary platform rotates relative to the pneumatic three-jaw chuck; a pneumatic V-shaped clamping component is arranged in a position on the support platform, which is corresponding to the pneumatic three-jaw chuck; and an auxiliary bracket is arranged in a position corresponding to the pneumatic V-shaped clamping component. According to the invention, a brake pipe system can be welded in a convenient, safe and labor-saving way in all positions; the positioning accuracy is high; the production safety is ensured; the welding quality is high; unqualified products are reduced; and the production efficiency is high.
Owner:CRRC MEISHAN
Positioning and grooving device for large bearing ferrule
ActiveCN105736587AEasy and reasonable operationAvoid mismatchBearing componentsEngineeringDistance sensors
The invention discloses a positioning and grooving device for a large bearing ferrule. The positioning and grooving device comprises a fixing device and a grooving device; the fixing device comprises a fixing bottom plate, a fixing cover plate, an inner race positioning column, an outer race positioning ring and grooving guide slots; the grooving device comprises a first motor, a first rotating shaft, an electric telescoping cylinder, a second motor, a second rotating shaft, a grooving edge, a positioning and detecting pole and a distance sensor. According to the positioning and grooving device disclosed by the invention, an inner race and an outer race of a bearing can be grooved together; meanwhile, detection and positioning can also be performed in a grooving process to adjust positions and depth of grooves at any time, so that a problem that the inner race and the outer race of the bearing are not matched in groove is avoided, and quality of a bearing product is effectively ensured.
Owner:新昌新天龙纽尚精密轴承有限公司
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