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74results about How to "Good reversal" patented technology
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Permanent magnets and R-TM-B based permanent magnets
InactiveUS6511552B1Improve magnetic propertiesSure easyInductances/transformers/magnets manufactureMagnetic materialsNucleationMagnetocrystalline anisotropy
Permanent magnets in which the ferromagnetic phase is matched with the grain boundary phase, and permanent magnets in which magnetocrystalline anisotropy in the vicinity of the outermost shell of the major phase is equivalent in intensity to that in the inside to suppress nucleation of the inverse magnetic domain. Guideline for designing permanent magnets having high magnetic performance is provided.
Owner:HITACHI METALS LTD
Liquid crystal display panel and liquid crystal display device
ActiveCN104391408AGood reversalImprove reversal phenomenonNon-linear opticsLiquid-crystal displayGray level
The invention relates to a liquid crystal display panel and a liquid crystal display device. The liquid crystal display panel comprises a plurality of sub-pixels defined by a plurality of scanning lines and a plurality of data lines in a cross mode and arranged in array, and neighboring 2X2 sub-pixels of different colors form a pixel; each sub-pixel comprises a plurality of strip electrodes, the plurality of strip electrodes of the sub-pixels of neighboring rows respectively extend towards a first direction and second direction, and the first direction and the second direction respectively incline to the clockwise direction and the anti-clockwise direction of the scanning lines to form a first angle; the sub-pixels of the same row comprise the sub-pixels of four different colors; in the neighboring two rows of the sub-pixels, at least one strip electrode of the sub-pixels of the same color extends to the first direction and at least one trip electrode extends to the second direction. The liquid crystal display panel and the liquid crystal display device can improve color error and gray scale inversion and preferably reduces the probability of transverse and longitudinal stripes production and improves display quality.
Owner:SHANGHAI TIANMA MICRO ELECTRONICS CO LTD +1
Lifting tool for mounting large-size machine tools
The invention discloses a lifting tool for mounting large-size machine tools and relates to the technical field of mechanical equipment manufacture. The lifting tool comprises a lifting part and a plug-in mounting part inserted into a lifting object, wherein the lifting part is connected with the plug-in mounting part into a whole, and provided with a plurality of circular grooves. The lifting tool can solve the problems that when the large-size machine tools and accessories of the large-size machine tools are lifted, the lifting tool is poor in lifting flexibility, inconvenient to use and low in efficiency and scratches surfaces of lifted objects easily, a steel rope is broken easily, and a safety accident is even caused.
Owner:柳州金盛重型数控机床有限责任公司
High-temperature-resistant high-density reversible water-in-oil/oil-in-water drilling fluid and preparation method thereof
ActiveCN109097010AGood reversalComparable performanceOrganic compound preparationCarboxylic acid amides preparationOil phasePolyamine
The invention provides high-temperature-resistant high-density reversible water-in-oil / oil-in-water drilling fluid which is composed of the following raw materials in parts by weight: 30-70 parts of an oil phase, 30-70 parts of an aqueous phase, 2-5 parts of a reversible emulsifier, 1-3 parts of an auxiliary emulsifier, 0-2 parts of organic soil, 1-4 parts of a filtrate reducer, 0-1 part of an alkalinity regulator, 0-0.5 part of a wetting agent, 0-2 parts of an enhancer and 0-800 parts of weighting materials. The reversible emulsifier is fatty acyl polyamines and derivatives thereof, and has astructural general formula of R1(CH2)m(CONH)n(C6H4)x(NH)y(NH2)zR2; the filtrate reducer is an amphiphilic filtrate reducer. The amphiphilic filtrate reducer comprises but is not limited to an amphiphilic polymer filtrate reducer, a hydrophilic modified asphalt filtrate reducer and a hydrophobic modified humic acid filtrate reducer. The compounded auxiliary emulsifier is a high HLB (Hydrophile-Lipophile Balance) value surfactant. The drilling fluid disclosed by the invention has directly adjustable density of 0.8-1.8g / cm<3>, and has excellent properties such as rheological property, suspensionstability, filter cake clearance, filter loss control, environment friendliness and stable reversibility of water-in-oil emulsion and oil-in-water emulsion in a range of 100-180 DEG C.
Owner:SOUTHWEST PETROLEUM UNIV
Concealed socket capable of rolling towards multi-directions
InactiveCN102148469AGood reversalEasy to open and closeCoupling device detailsFlexible/turnable line connectorsEngineeringMechanical engineering
Owner:POWERTECH INDAL
Liquid crystal display device and drive method thereof
ActiveCN108957874AGood reversalStatic indicating devicesNon-linear opticsVisual field lossLiquid-crystal display
The invention discloses a liquid crystal display device and a drive method thereof. The liquid crystal display device includes a first substrate, a second substrate and a liquid crystal layer, a visual angle control electrode is arranged on the first substrate, a public electrode and pixel electrodes are arranged on the second substrate, a plurality of pixel units are defined on the second substrate by scanning lines and data lines, each pixel unit includes a first area and a second area, the visual angle control electrode includes a first electrode part and a second electrode part which are insulated with each other, the first electrode part correspondingly covers the first area, and the second electrode part correspondingly covers the second area. By adopting the liquid crystal display device and the drive method thereof, when display is conducted in a narrow visual field mode, different first voltage signals and second voltage signals can be applied to the first electrode part and the second electrode part, perpendicular electric fields with different intensities are formed at the corresponding positions of the first and second areas, therefore, the liquid crystal standing angles at different positions are different, and when large visual angle viewing is conducted, visual angles of different areas are complementary so that the problem of gray scale inversion can be improved.
Owner:KUSN INFOVISION OPTOELECTRONICS
Thin-film transistor array base plate, display panel and display device
ActiveCN104062821AGuaranteed uniformityAvoid standing unsteadilySolid-state devicesNon-linear opticsDisplay deviceSurface pressure
The invention discloses a thin-film transistor array base plate, a display panel and a display device. The thin-film transistor array base plate comprises a base plate body, a plurality of grid lines, a plurality of data lines, a plurality of pixel units, insulated layers and pixel electrodes, wherein the grid lines and the data lines are arranged on the base plate body, and are crossed and insulated; the pixel units are arranged in areas defined by the grid lines and the data lines, and any pixel unit comprises a switch component; the insulated layers are located on the switch components, and are provided with through holes; the pixel electrodes are located on the insulated layers, and are electrically connected with the switch components via the through holes, and two adjacent pixel unites share the same one through hole in the extending direction of the grid lines; an enough large distance is formed between two adjacent transverse through holes, so that isolation columns are well placed, the problem that the isolation columns are instable in standing and unlikely to slide down is avoided, and the uniformity of the thickness of a panel box and better surface pressure ability are ensured.
Owner:XIAMEN TIANMA MICRO ELECTRONICS +1
Liquid crystal display device and driving method thereof
ActiveCN109116639AGood reversalStatic indicating devicesNon-linear opticsLiquid-crystal displayElectric field
The invention discloses a liquid crystal display device and a driving method thereof. The liquid crystal display device comprises a first substrate, a second substrate and a liquid crystal layer, wherein the second substrate is opposite to the first substrate; the liquid crystal layer is positioned between the first substrate and the second substrate; a first protective layer and a visual angle control electrode are arranged on the first substrate; the visual angle control electrode comprises a first electrode part and a second electrode part which are insulated from each other; each pixel unit comprises a first region and a second region; the first electrode part correspondingly covers the first regions of all the pixel units; and the second electrode part at least correspondingly coversthe second regions of all the pixel units. According to the liquid crystal display device and the driving method thereof, during display in a narrow visual angle mode, a first voltage signal and a second voltage signal which are different can be applied to the first electrode part and the second electrode part, and vertical electric fields with different intensities are formed in the positions corresponding to the first regions and the second regions, so that the liquid crystal standing angles in different positions are different; and during watching in a large visual angle mode, the visual angles of different regions are complementary, so that the problem of gray scale inversion can be solved.
Owner:KUSN INFOVISION OPTOELECTRONICS
Height-adjustable clamping device for bearing polishing and machining
InactiveCN109227374AGood reversalShorten the timeGrinding feedersGrinding work supportsEngineeringMachining
The invention discloses a height-adjustable clamping device for bearing polishing and machining, and relates to the technical field of bearing machining and polishing. The height-adjustable clamping device for bearing polishing and machining comprises a base, a fixed ring and positioning locks, the fixed rings are arranged above the base, and the positioning locks are distributed in the fixed ring; a back plate is fixed to the surface of the top of the base, hydraulic push rods are mounted in front of the back plate, a rotary disc is mounted at the front end of a rotation air cylinder, a threaded push rod is arranged at the right end of the fixed ring, and baffles are attached to the upper and lower ends of the fixed ring. According to the height-adjustable clamping device for bearing polishing and machining, the horizontal positions of connection plates can be adjusted by rotating the threaded push rod, and accordingly the position of a clamping plate is adjusted so that the clampingplate can clamp a bearing to be polished. The clamping device is convenient to operate and simple in structure and costs little handicraft fee during production.
Owner:DONGGUAN UNIV OF TECH
Charge-reversed DNA (Deoxyribose Nucleic Acid) nano-carrier and preparation method and application thereof
InactiveCN106512024AHigh affinityEffective internalizationGenetic material ingredientsPharmaceutical non-active ingredientsAntibody expression3-deoxyribose
The invention discloses a charge-reversed DNA (Deoxyribose Nucleic Acid) nano-carrier and a preparation method and application thereof, and belongs to the fields of gene treatment and DNA vaccine antibody expression. The charge-reversed DNA nano-carrier comprises a compound prepared from methylsuccinic acid-3-dimethylamino-1-propyl ester quaternary ammonium salt and pDNA, has different quantities of electric charges under different pH conditions, and can be subjected to charge reversing under a corresponding PH condition. The prepared charge-reversed compound has a pH response, has different quantities of electric charges under different pH conditions through the methylsuccinic acid-3-dimethylamino-1-propyl ester quaternary ammonium salt, and is subjected to charge reversing under a certain PH condition, and a nano-compound carries positive charges when the compound passes through the surface of a cell membrane carrying negative charges, so that the compatibility with the cell membrane is very high, the compound can be effectively internalized, the electric charges are reversed under different pH conditions in cells, and a carrier carrying the negative charges can circulate for a long time more easily and is more suitable to be applied in gene treatment and antibody production.
Owner:HUBEI UNIV OF TECH
Display panel and display device
The invention discloses a display panel. The display panel comprises multiple pixels which are distributed in a matrix mode, and each pixel comprises a first pixel area and a second pixel area. When the display panel conducts narrow-view-angle displaying, the liquid crystal birefringence rate in each first pixel area and the liquid crystal birefringence rate in each second pixel area are different. When the display panel conducts narrow-view-angle displaying, gray-scale inversion can be effectively improved. The invention further relates to a display device.
Owner:KUSN INFOVISION OPTOELECTRONICS
Fast molten salt furnace
InactiveCN104801675AIncrease the areaIncrease the heating surfaceFoundry mouldsFoundry coresCrucibleMolten salt
The invention relates to a fast molten salt furnace, which is characterized by comprising a vacuum mechanism, a melting mechanism, a stirring mechanism and a control mechanism, wherein the melting mechanism, a salt core mold 3 and a sealing sleeve 6 are arranged in a vacuum furnace casing 1, the stirring mechanism is arranged in the melting mechanism, the control mechanism is arranged under the vacuum furnace casing 1, the melting mechanism is provided with a sensing heating coil 5, a heat insulation sleeve 13 is arranged in the sensing heating ring 5, and a crucible core 14 is arranged in an alloy crucible 4; a stirring blade 9 is arranged on a stirring sleeve 10, and a stirring shaft 15 is arranged in the stirring sleeve 10, a core connecting shaft 8 is arranged under a clutch 7, and a stirring motor 12 is arranged under a telescopic sleeve 11. The crucible core arranged in the alloy crucible, the stirring sleeve and the stirring blade are adopted, the area of a sensing heating body is effectively increased, and the salt melting speed is accelerated; the telescopic sleeve clutch arranged under the core connecting shaft is adopted, the distance between clutch contact blocks is increased, the reverse turning of induction furnace can be conveniently realized, and the productivity of the molten vacuum salt furnace is improved.
Owner:WUXI LIHU PRESSURIZE TECH CO LTD
Narrow viewing angle display method
ActiveCN109243394AGood reversalStatic indicating devicesNon-linear opticsComputer scienceLiquid crystal
Provided is a method for displaying a display panel in a narrow view angle. The display panel includes a plurality of pixels arranged in a matrix, each pixel includes a first sub-pixel arranged in a matrix, second sub-pixel, the third sub-pixel and the fourth sub-pixel, A method comprise that steps of: when a display panel is display at a narrow viewing angle, A first voltage is applied to the first sub-pixel and the fourth sub-pixel, and a second voltage is applied to the second sub-pixel and the third sub-pixel, the voltage magnitude of the first voltage is different from the voltage magnitude of the second voltage, and the liquid crystal twist angle in the first sub-pixel and the fourth sub-pixel is different from the liquid crystal twist angle in the second sub-pixel and the third sub-pixel. The liquid crystal twist angle in the first sub-pixel and the fourth sub-pixel is different from that in the second sub-pixel and the third sub-pixel. The narrow viewing angle display method ofthe invention can effectively improve the gray scale inversion because the torsion angle of the liquid crystal in each sub-pixel is different.
Owner:KUSN INFOVISION OPTOELECTRONICS
Electronic technology experiment table
ActiveCN111862718AGood reversalEasy to observeCosmonautic condition simulationsEducational modelsElectric machineryHemt circuits
Owner:EASTERN LIAONING UNIV
Liquid crystal display device and driving method thereof
The invention discloses a liquid crystal display device and a driving method thereof. The liquid crystal display device includes a first substrate, a second substrate, and a liquid crystal layer; thefirst substrate includes a viewing angle control electrode; each pixel unit includes a first area and a second area; the liquid crystal layer includes a first tilt area correspondingly covering the first area and a second tilt area correspondingly covering the second area; the liquid crystal layer distribution of the first and second tilt areas has first and second pre-tilt angles, and the first pre-tilt angle and the second pre-tilt angle are not equal; and the viewing angle control electrode correspondingly covering all pixel units. In the liquid crystal display device and the driving methodthereof, the liquid crystal layer is divided into the first tilt area and the second tilt area with different pre-tilt angles, so that liquid crystal molecules in one pixel have different pre-tilt angles; in a narrow viewing angle mode, the liquid crystal of the liquid crystal layer is lifted to realize light leakage by applying a voltage to the viewing angle control electrode; and the amount oflight leakage of different tilt areas is different, so that the gray-scale inversion problem can be improved when viewed from a large viewing angle.
Owner:KUSN INFOVISION OPTOELECTRONICS
Electric screw turning tool convenient to use
Owner:海宁鼎合工程技术开发有限公司
Variable-speed transmission instrument with limiting structure
ActiveCN113847400AGood reversalRealize the restriction functionGearingGear lubrication/coolingTransceiverGear wheel
The invention discloses a variable-speed transmission instrument with a limiting structure. The variable-speed transmission instrument comprises a bottom plate, a limiting box, a lubricating box, a slot and a photoelectric detector; the top of the bottom plate is provided with a fixing frame, the outer wall of the fixing frame is provided with the limiting box, the inner wall of the limiting box is provided with a flexible rod through a shaft, the top of the bottom plate is provided with the lubricating box, a signal transceiver is installed on the top wall of the interior of the lubricating box, the slot is formed in the top of the bottom plate, and the photoelectric detector is installed on the top of the bottom plate. The variable-speed transmission instrument can be limited by installing the limiting box, a limiting rod drives a moving plate to be close to a gear at one end of a worm, the moving plate drives movable rods to make contact with the gear, blocking rods limit the movable rods, and when the worm rotates, the movable rods can prevent the worm from rotating reversely; and the movable rods are arranged at the two sides, so that the worm can conveniently rotate forwards and reversely, and the limiting function is achieved.
Owner:湖南洛柳智能装备有限公司
Relaxation ferroelectric lead-based ceramic material with high phase change temperature, excellent fatigue resistance and high electromechanical performance, and preparation method and application thereof
ActiveCN114436654AImprove directional texture qualityMaintain a high phase transition temperatureEnergy harvesterPiezoelectric actuators
The invention discloses a relaxor ferroelectric lead-based ceramic material with high phase change temperature, excellent fatigue resistance and high electromechanical performance and a preparation method and application thereof, and relates to a relaxor ferroelectric lead-based ceramic material and a preparation method and application thereof. The problems that in the prior art, a relaxor ferroelectric ceramic material is low in phase change temperature and poor in electrical fatigue resistance, and high electromechanical performance, high phase change temperature and excellent fatigue resistance cannot be considered at the same time are solved, and the thermodynamic problem exists in the preparation process of Zr-containing relaxor ferroelectric texture ceramic. The general chemical formula of the relaxor ferroelectric lead-based ceramic material is (1-x-y) Pb (A, Nb) O < 3-x > PbZrO < 3-y > PbTiO < 3-a > wt.% B. The method comprises the following steps: 1, preparing pure perovskite phase parent fine powder; 2, preparing a ceramic green body by a tape casting method; and 3, preparing the textured ceramic material. The method is applied to piezoelectric actuators, intelligent sensors, ultrasonic transducers and energy collectors.
Owner:HARBIN INST OF TECH
Design method of trap type dual-phonon active region energy level structure in terahertz quantum cascade laser
ActiveCN108923258AGood reversalGood temperature characteristicsLaser active region structureRate equationQuantum well
The invention discloses a design method of a trap type dual-phonon active region energy level structure in a terahertz quantum cascade laser. The design method comprises the following steps of (1) designing a well width barrier width of one period of an active region of the terahertz quantum cascade laser; (2) solving the energy level of the active region through a schrodinger equation, and determining whether the energy level distributions satisfies the design requirements or not; and (3) solving an active region rate equation, and obtaining the output characteristic of the active region of the laser, and therefore, the design feasibility is verified. According to the method, the quantum well energy level theory is calculated by using schrodinger, so that the accuracy of the energy levelposition is determined, so that the problems of thermal excitation and thermal leakage caused by too high temperature of electrons in the terahertz quantum cascade laser can be solved, and higher operation temperature and the output characteristic of the laser can be obtained.
Owner:SOUTH CHINA NORMAL UNIVERSITY
Convertible rear axle of electric truck
InactiveCN107738568AAvoid turning aroundGood reversalElectric propulsion mountingControl devicesDrive motorElectric cars
The invention discloses a convertible rear axle of an electric truck. The convertible rear axle of the electric truck comprises a rear axle shaft sleeve, a rear wheel shaft is sleeved with the rear axle shaft sleeve, the two ends of the rear wheel shaft extend to the outer sides of the two ends of the rear axle shaft sleeve, rear wheels are installed at the two ends of the rear wheel shaft in a corresponding mode, a positive-negative drive motor is arranged on one side of the rear axle shaft sleeve, and the positive-negative drive motor is in transmission connection with the rear wheel shaft.According to the convertible rear axle of the electric truck, through the positive-negative drive motor, positive rotation or negative rotation of the rear wheel shaft can be conveniently controlled,wherein when the rear wheels rotate positively, the electric trunk runs forward, and when the rear wheels rotate negatively, the electric trunk runs backward, so that control is simple, use is convenient, and a u-turn of the electric trunk is avoided.
Owner:WEIFANG HONGSHIXING MACHINERY PROCESSING CO LTD
Mold pressing flexible ceramic and flexible patch stone two-in-one automatic production line
ActiveCN113117987AEasy extrusionGood reversalLiquid surface applicatorsCoatingsElectric machineHeat conservation
The invention discloses a mold pressing flexible ceramic and flexible patch stone two-in-one automatic production line. The production line comprises an unwinding mechanism, a PET film roll, a feeding system, a material distributing mechanism, a pneumatic calibrating device, a gridding cloth air expansion shaft, a gridding cloth deviation rectifying mechanism, a control cabinet, a cleaned waste collecting box, a working table top, a gridding cloth pressing roller, a secondary calibrating mechanism, a tight calibrating mechanism, a blade coating machine rack, a drying tunnel rack, a conveying tensioning mechanism, a conveying motor, a chain plate conveying device, an external heat preservation device, a conveying speed checking mechanism, a winding rack, a winding motor, a magnetic powder clutch, a winding film roll and a pneumatic deviation rectifying mechanism, the secondary calibrating mechanism comprises a motor box, a secondary calibrating block body is arranged on the inner side of the motor box, and a material blocking piece is fixedly connected to the end, close to the motor box, of the secondary calibrating block body. According to the production line, through arrangement of a rotating shaft and a material scraping piece, when too much coating is located at the secondary calibrating mechanism, the coating directly falls into the cleaned waste collecting box, and extrusion of redundant coating is completed.
Owner:淮南中智机械设备有限公司
Plate punching machine feeder and feeding method thereof
PendingCN113634675AEasy for stampingEasy loading and unloadingMetal-working feeding devicesPositioning devicesGear wheelMachine
The invention relates to the technical field of plate machining, and discloses a plate punching machine feeder. The feeder comprises a supporting plate, a rotating rail is fixedly installed on the upper portion of the supporting plate, a rotating block is movably installed in the rotating rail, and the upper end of the rotating block is fixedly installed at the bottom of one end of a swing rod. The other end of the swing rod is fixedly connected to a rotating table, the bottom of the rotating table is movably installed in the middle of the upper portion of the supporting plate, and a gear groove is formed in the rotating table. According to the plate punching machine feeder and the feeding method thereof, the supporting plate is arranged as a circular tray, circular feeding and discharging of the device are facilitated through the circular tray; and because the feeding plate is movably installed on the upper portion of the supporting plate through the rotating rail, the rotating block, the swing rod and the rotating table, the direction of the feeding plate on the upper portion of the supporting plate can be conveniently and regularly adjusted when the device rotates, and a plate on the upper portion of the feeding plate can be conveniently punched.
Owner:邓彩霞
Thin-film transistor array substrate, display panel and display device
ActiveCN106098708AGuaranteed uniformityStable supportSolid-state devicesNon-linear opticsElectricityDisplay device
Owner:XIAMEN TIANMA MICRO ELECTRONICS +1
Application of insect small-molecule active substance in preparing antiatherosclerotic medicine
InactiveCN101829152AGood reversalSpeed up effluxAnthropod material medical ingredientsFood preparationInflammatory factorsFood industry
The invention discloses an application of an insect small-molecule active substance in preparing an antiatherosclerotic medicine. The insect small-molecule active substance of the invention is prepared by the method comprising the following steps: (1) feeding adult flies, attracting the adult flies to spawn, feeding larvae with feed, and removing feed residues; (2) carrying out cold and hot stimulus induction on the larvae; and (3) after inducing for 48h, collecting the larvae, cleaning, disinfecting, breaking polypide cells, homogenizing at high speed, centrifugating, separating supernate, ultrafiltering, and obtaining the insect small-molecule active substance of which the molecular weight is less than 30KD after the filtrate is subject to freeze drying. The purely natural insect small-molecule active substance of the invention can effectively reduce the serum inflammatory factors and adjust the blood fat, promotes cholesterol efflux of macrophage, has an oxidation-resisting efficacy, and can be applied in a plurality of the fields of medical treatment, feed processing, food industry and the like.
Owner:GUANGDONG PHARMA UNIV
Flexible air pipe winding and unwinding device for air supply
ActiveCN113247713ARealize automatic retractionMeet the requirements of mobile air supplyMechanical apparatusSpace heating and ventilation safety systemsStructural engineeringMechanical engineering
The invention relates to a flexible air pipe winding and unwinding device for air supply. The device comprises an air pipe winding drum assembly, a flexible air pipe, two winding drum seats, a rotary air inlet assembly and a rotary driving assembly for driving the air pipe winding drum assembly to rotate, the air pipe winding drum assembly comprises a winding drum main body, a winding drum air pipe shaft and a winding drum rotating shaft, the rotary air inlet assembly comprises an air inlet pipe, a fixed air pipe and a rotary air pipe rotatably inserted into the fixed air pipe, the air outlet end of the air inlet pipe is connected with the air inlet end of the fixed air pipe, the air outlet end of the rotary air pipe is fixedly connected with the winding drum air pipe shaft, and an output shaft of the rotary driving assembly is fixedly connected with the winding drum rotating shaft. Compared with the prior art, automatic winding and unwinding of the flexible air pipe on the winding drum main body can be achieved, the requirement for movable air supply is effectively met, and the device is safe and reliable in structure and long in service life.
Owner:HUANENG POWER INT INC
Safety cradle for construction engineering
The invention discloses a safety cradle for construction engineering. The safety cradle comprises a bottom plate, and a top box is fixedly connected to the top of the bottom plate. In the safety cradle for construction engineering, a concave block, a threaded adjusting rod, a threaded ring, a connecting ring, a height adjusting rod, a round stopper, a bevel gear body and a bevel gear rod are usedto realize the rotation of support leg rods, thereby realizing the height change of the device. A height fixing hole, an adjusting handle and a fixed inserting rod control the change in the rotation of the bevel gear rod. A large transmission rod, a big gear, a small transmission rod, a pinion, a transmission gear and a chain realize the different rotation modes of a drum. A big handle, a large plunger, a large jack, a small handle, a small plunger and a small jack control the rotation of the large transmission rod and the small transmission rod, respectively. A convex groove, a convex block,an arc clamp block, a compression spring and a pressure plate facilitate the reversal of the drum. And a chute, a clamping block body, a corner sliding rod and a hydraulic telescopic rod realize the main movement of a draw rope, which is convenient for the unloading of an unloading barrel.
Owner:孙亚南
Method For Improving Combustion Efficiency
InactiveUS20090250040A1Improve combustion efficiencyImprove temperature riseCombustion enginesGaseous engine fuelsCombustionEngineering
A method for improving combustion efficiency as combusting a pure substance is disclosed. The method is started from deciding an environmental temperature of a combustion environment, setting a first temperature higher than the environmental temperature, and uniformly heating the pure substance to the first temperature so as to shorten the temperature drop between the outer surface and the inner portion of the pure substance as far as possible. Simultaneously, after a combustion-supporting gas is provided and heated to a second temperature and the combustion-supporting gas is supplied to the combustion environment, the pure substance is ignited. The steps described above can accelerate the temperature raising as combusting the pure substance, so as to be more close to complete combustion, thereby improving efficiency and reducing contaminant production.
Owner:PAN WEN HSIUNG +1
Practical training comprehensive experiment table for electronic technology experiment
ActiveCN109785705AGood reversalEasy to observeCosmonautic condition simulationsEducational modelsTinElectrical and Electronics engineering
The invention discloses a practical training comprehensive experiment table for an electronic technology experiment and belongs to the technical field of electronic technology practical training equipment. The problem is solved that for the experiment table for the electronic technology in the prior art, practice for circuit board welding is inconveniently conducted. The experiment table comprisesan experiment table body and an experiment plate, a lifting groove is formed in the top of the experiment table, and a circuit board welding assistance mechanism is arranged in the lifting groove; the circuit board welding assistance mechanism comprises a lifting table, a circuit board clamp, a connection plate, a reciprocation lead screw, a positioning rod and a first motor, and avoidance grooves are formed in the two side walls of the two sides of the lifting groove respectively. According to the experiment table, the circuit board welding assistance mechanism is arranged and assists students in practice for circuit board welding, by arranging the rotatable circuit board clamp, convenience can be provided for the students to reversely turn the circuit board after element welding, the students conveniently observe whether or not abnormal phenomena of continuous tin and non-penetrated tin occur, the experiment table is more convenient to use, and by arranging an experiment module mechanism, some experiments about the circuit can be completed.
Owner:EASTERN LIAONING UNIV
Spraying device
The invention discloses a medicine spraying device, comprising a base, a medicine box is arranged above the base, two first motors are fixedly mounted on one end of the base, and first motors are fixedly connected to the output shafts of the first motors. A connecting plate, the end of the first connecting plate fixes the first installation rod, the two ends of the first installation rod are respectively hinged with the second installation rod and the third installation rod, the first installation rod, the second installation rod and the third installation rod The installation rods are all provided with a first water pipe, a second water pipe and a third water pipe along the length direction, the first water pipe is connected to the medicine box through two fourth water pipes, and the second water pipe is connected to the medicine box through the fifth water pipe Set, the third water pipe is connected to the medicine box through the sixth water pipe, the first water pipe, the second water pipe and the third water pipe are all provided with spraying holes at intervals downward along the length direction, and the spraying holes are connected There are nozzles. The invention has the advantages of being able to better spray the crops, more uniform spraying and high efficiency.
Owner:重庆垲睿装备技术有限公司
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