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209results about How to "Guaranteed to be accurate" patented technology
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Multimedia communication method and terminal thereof
InactiveCN1863302ADoes not affect operationImprove bearing efficiencyAnalogue secracy/subscription systemsSignalling characterisationCommunication qualityPacking method
The invention relates to multimedia communication technique, disclosing a multimedia communication method and the terminal design and implementation thereof, improving transmission reliability and communication quality. And the invention adopts ERRTP to provide a transmission layer packing form able to carry error resilient encoding solution related information on the basis of the existing RTP protocol, making multimedia data label the corresponding error resilient encoding solution related information while transmitted on ERRTP, thus merging error resilient mechanism into the transmission layer; in accordance with H.264 NALU structure, the invention provides a special ERRTP packing method and protocol header modification solution, able to integrate all NALU header bytes in the same ERRTP packet into its header, thus expressing important information of NALU in the ERRTP header and raising transmitting efficiency.
Owner:王苗苗
Manufacturing method of fine personalized skull model capable of describing teeth occluding relation
InactiveCN1919157ALearn about oral anatomy in detailEasy to masterData processing applicationsDentistryFacial boneTomographic image
The invention discloses a preparing method of fine personalized skull model to depict teeth occlusal relationship, which comprises the following steps: adopting CT tomographic scanning to pick patient skull tomographic image data, reconstructing three-dimensional skull facial bone computer, gathering three-dimensional data of teeth gupse pattern and gupse mode, fusing and separating data of three-dimensional image data, moulding skull data rapidly, connecting organically.
Owner:李晓峰
Angle-adjustable pruning and picking device
ActiveCN106613394ATo achieve the purpose of saving effortGuaranteed to be accurateCuttersCutting implementsMechanical engineeringLow altitude
The object of the invention is to solve the existing problems and provide an angle-adjustable pruning and picking device. The angle-adjustable pruning and picking device comprises a cutter head mechanism, a rotary mechanism, an operating mechanism and a taking-up mechanism, wherein the cutter head mechanism and the rotary mechanism are arranged at the front end of a cutter bar, and the operating mechanism and the taking-up mechanism are arranged at the rear end of the cutter bar; and a rotation auxiliary mechanism is arranged between the rotary mechanism and the operating mechanism. According to the angle-adjustable pruning and picking device, the angle of a cutter blade of the pruning device can be adjusted, the cutter blade and an object to be pruned can always be in a horizontal shearing state during pruning, branches and leaves of high-altitude or low-altitude flowers, plants and trees can be pruned smoothly, and the device can also be used for picking high-altitude fruits.
Owner:山东辛丁管理咨询有限公司
System and device capable of realizing automatic layout of flow chart
ActiveCN103473388AImplement Auto LayoutRealize a reasonable layoutSpecial data processing applicationsSorting algorithmTopological order
The embodiment of the invention provides a system capable of realizing automatic layout of a flow chart. The system comprises the steps that the logical relationship of nodes is obtained; the logical relationship of the nodes is analyzed and the nodes are graded; the nodes in the same grade are optimized, and an optimal layout mode is computed; the coordinates of each optimized node in the flow chart are determined by adopting a topological order. The logical relationship of the nodes is analyzed, the nodes are graded, and a Randker iteration sorting algorithm is adopted for the nodes in the same grade to compute the internal optimal arrangement mode of each grade, so that the number of cross points of flow lines is guaranteed to be the minimum, the nodes are uniformly and linearly distributed in a plane in an equidistant manner by utilizing a symmetrical layout method, the disorder and complexity of manual flow charting can be effectively solved accordingly, the reasonable layout of the flow chart can be realized rapidly and efficiently, and the accuracy of the layout of the flow chart and the clearness of business logic are guaranteed. Besides, the other embodiment of the invention provides a device capable of realizing automatic layout of the flow chart.
Owner:SHENZHEN AUDAQUE DATA TECH
Auxiliary device and auxiliary method for building detection
ActiveCN109211211AHeight adjustableAdjustable positionSurveying instrumentsIncline measurementArchitectural engineeringAuxiliary memory
The invention discloses an auxiliary device for building detection. The auxiliary device comprises a base, a lifting mechanism, a rotating mechanism, a pressing mechanism, a mounting mechanism and rollers. One top side of the base is provided with the lifting mechanism. One side of the lifting mechanism is provided with the rotating mechanism. One side of the rotating mechanism is provided with the pressing mechanism. One side of the pressing mechanism is provided with the mounting mechanism. The bottom periphery of the base is provided with the rollers. According to the auxiliary device and the auxiliary method for building detection, an architectural engineering detection ruler can be conveniently corrected through a rotating mechanism with a unique design after the mounting mechanism ismounted rapidly, and vertical and horizontal states of the architectural engineering detection ruler are guaranteed when measuring. The building engineering detection ruler is pressed at a pluralityof points by the pressing mechanism, so that the building engineering detection ruler is tightly attached to a to-be-tested wall surface, and the data precision is guaranteed. The lifting mechanism and the base with the rollers are convenient to move and can be measured at any position.
Owner:广东真正工程检测有限公司
Turntable inclined scratching type photoelectric automatic particle counter
ActiveCN102358440AThe overall structure is simple and reliableReduce damage ratePackaging automatic controlSolid materialTorsional vibrationViscosity
The invention provides a turntable-inclined scratching type photoelectric automatic particle counter aiming at the defects of electromagnet torsional vibration type particle counters which are the most commonly adopted at home and abroad at present and on the basis of a principle that particles can be automatically moved, sorted in order and spaced by the inclined scratching of a turntable. By the particle counter, the particles automatically moved, sorted in order and absolutely spaced (unless abnormal factors such as viscosity, blockage and the like) by using the turntable and a slot disk, necessary and reliable light-transmission clearances are provided for precise photoelectric counting, and a noisy electromagnet torsional vibration disk or mechanisms which generate particle spacing such as complicated escapements or apertures are not needed.
Owner:ANHUI ZHONGKE OPTIC ELECTRONICS COLOR SORTER MACHINERY
Indoor truth-preserving sampling, sample storage and analysis device and method based on deep well sampling
ActiveCN103712834ADetermining fidelityPrecise control of the sampling processSamplingBorehole/well accessoriesFormation fluidHigh pressure
The invention discloses an indoor truth-preserving sampling, sample storage and analysis device based on deep well sampling. The device comprises a high-pressure gas source system and a truth-preserving sampling system which is connected with the high-pressure gas source system and used for collecting a formation fluid sample, wherein the truth-preserving sampling system is respectively connected with an immediate decompression analysis system for performing online analysis on the formation fluid sample, a truth-preserving sample storage system for performing undisturbed preservation on a fluid in the formation fluid sample and a chemical online analysis system for monitoring and analyzing the formation fluid sample, and the truth-preserving sampling system, the immediate decompression analysis system, the truth-preserving sample storage system and the chemical online analysis system are connected with a waste water and waste gas treatment system. The invention further comprises an indoor truth-preserving sampling, sample storage and analysis method based on the deep well sampling. The method disclosed by the invention has the advantages of easiness in operation, and simplicity and convenience in operation; and modular integration is adopted, all modules are independent mutually, mutual interference of various samples can be avoided, and multi-formation and multi-position simultaneous sampling can be further realized.
Owner:INST OF ROCK AND SOIL MECHANICS - CHINESE ACAD OF SCI
Encapsulated micro-wave voltage-controlled oscillator test device
InactiveCN105044402AReduce connection contact distanceGuaranteed normal transmissionMeasurement instrument housingTest efficiencyEngineering
The invention discloses an encapsulated micro-wave voltage-controlled oscillator test device. The device comprises a test clamp used for installing and fixing a voltage-controlled oscillator, a conductive rubber and a test adaption circuit board. The test adaption circuit board is installed on a metal base plate and is connected to monitoring equipment through a cable. The conductive rubber is pasted on a central section of an upper end surface of the test adaption circuit board. The test clamp is placed on the test adaption circuit board and is fixedly connected to the metal base plate. In the invention, an encapsulated micro-wave voltage-controlled oscillator is placed in the test clamp; and a pin of the oscillator is connected to the test adaption circuit board through the conductive rubber so that contact between a chip pin and the test adaption circuit board can be avoided, a parasitic parameter is reduced and normal transmission of microwave signals is guaranteed. Besides, because of elasticity of the conductive rubber, damages generated through carrying out hard pressing on the chip can be avoided; test reliability and test efficiency of the encapsulated micro-wave voltage-controlled oscillator are increased; and the device possesses characteristics that the structure is simple and assembling and disassembling are convenient.
Owner:GUIZHOU AEROSPACE INST OF MEASURING & TESTING TECH
Weighted vertical type ring rolling mill
InactiveCN101279351AGuaranteed to be accurateMeasuring devicesMetal rolling arrangementsCouplingEngineering
The invention relates to a flange processing machine, in particular to an aggravating vertical type ring rolling machine which solves the problem that the quality of a ring rolling not high during the flange processing process. The invention includes a base; a horizontal working platform and a motor are arranged on the base; a main rotating mould is arranged on the horizontal working platform; the main shaft of the main rotating mould is connected with the motor by a coupling; a mandrel is arranged below the main rotating mould; the two sides of the main rotating mould are provided with holding rollers; a limitation device is arranged above the main rotating mould; a distance measuring device with a distance measuring wheel is arranged below the main rotating mould. The invention is suitable for processing the flanges with large coaxial dimensions like a lapped flange and a high neck flange; the largest processing diameter is 1100mm and the largest thickness of the flange is 140mm.
Owner:山西安伦锻压机床有限公司
Online dual-light-path water environment measurement device based on spectral measurement technology
ActiveCN105954192AGuaranteed to be accurateAvoid influenceMaterial analysis by optical meansEnergy variationMeasurement device
The invention discloses an online dual-light-path water environment measurement device based on spectral measurement technology. The online dual-light-path water environment measurement device comprises a sealing shell, the shell is internally provided with a detection optical unit and a signal processing unit, and the middle of the shell is provided with a detection pool; a light source control panel controls a light source to work, and the light source emits ultraviolet-visible light; the ultraviolet-visible light is changed into parallel light after passing through a first lens; the parallel light is divided into two paths after passing through a semi-permeable semi-reflective mirror, one path of light is focused by a second lens after passing through light windows of the detection pool and then transmitted to an acquisition module through optical fibers and is used for testing a water sample to be tested, and the other path of light serving as reference signals of light source energy change is received by a photoelectric detector and then transmitted to a control and signal processing module. The online dual-light-path water environment measurement device has the advantages that solar energy is adopted for power supply, long-term operation can be achieved, a light window cleaning system is adopted, and precision of measured data can be guaranteed.
Owner:YANTAI INST OF COASTAL ZONE RES CHINESE ACAD OF SCI
Automatic tooth aligning tool fixture
InactiveCN103878716AGuaranteed Angle RequirementsGuaranteed normal rotationWork holdersMetal working apparatusGear toothEngineering
Owner:SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI
Method for measuring steel wire interval in subway shaft connection survey using electronic total station
InactiveCN103115607AHigh precisionGuaranteed to be accurateOptical rangefindersObservation dataTotal station
The invention discloses a method for measuring steel wire intervals in subway shaft connection survey by using an electronic total station. The method comprises the steps of suspending two steel wires of which the diameters are less than 0.5mm at a subway shaft, and suspending heavy hammers on the tail ends of the steel wires and dipping into damping liquid; and the method further comprises the steps of: A. respectively erecting electronic total stations at near-shaft points above and under the subway shaft, pasting reflecting sheets on the steel wires above the shaft and under the shaft, and positioning the reflecting sheets on a straight line in the horizontal measuring direction of the electronic total station; B. adjusting the deviation distance of the electronic total station relative to the straight line where the reflecting sheets of the two steel wires are positioned; C. adjusting the electronic total station, and respectively reading the horizontal distance between the two steel wires above the shaft and under the shaft through the electronic total station after the steel wires are in the static state; and D. confirming the observation data and obtaining the interval between the two steel wires. By utilizing the method, the suspension standard of the steel wires in the working process is effectively lowered, and the time and the labor are saved, however, the precision degree is about 5 times higher than the normative standard, and the precision in connection survey is ensured.
Owner:大连市勘察测绘研究院集团有限公司
Dual-sided processing method and exposure device
InactiveCN102968000AAccurate locationQuality assurancePhotomechanical exposure apparatusMicrolithography exposure apparatusLiquid-crystal displayLiquid crystal
The invention relates to the field of semiconductors and liquid crystal displays, in particular to a dual-sided processing method and an exposure device in a processing process of a semiconductor and a liquid crystal display. The dual-sided processing method comprises the steps of: in an exposure process, firstly, aligning two optical masks in an exposure device, then conveying a substrate to a place between the two optical masks of the exposure device, and finally making patterns on two sides of the substrate. The exposure device comprises two optical masks, wherein the substrate to be processed is arranged between the two optical masks, and an optical mask alignment identifier is arranged on each of the two optical masks. According to the invention, during the dual-sided processing process of patterns of the substrate, the optical masks are aligned in advance, the accuracy of the patterns on two sides of the substrate is ensured, and the product quality is ensured.
Owner:BOE TECH GRP CO LTD
Positioning device for distal locking of intramedullary nail
InactiveCN104688322ASimple and fast operationPose has no effectInternal osteosythesisTransverse axisIntramedullary rod
The invention relates to a positioning device for distal locking of an intramedullary nail. The positioning device comprises a positioning mechanism and an adjusting mechanism, wherein the positioning mechanism comprises a first positioning ring and a second positioning ring which are arranged at intervals and are concentrically arranged; a guide needle penetrates through the first positioning ring and the second positioning ring in sequence and is positioned by the first positioning ring and the second positioning ring; the adjusting mechanism comprises a longitudinal rotation assembly used for rotating around a longitudinal axis so as to drive the positioning mechanism to rotate around the longitudinal axis, a transverse rotation assembly used for rotating around a transverse axis so as to drive the positioning mechanism to rotate around the transverse axis, a longitudinal translational component used for driving the positioning mechanism to move along the longitudinal direction and a transverse translational component used for driving the positioning mechanism to move along the transverse direction; the positioning mechanism is detachably or fixedly connected to at least one of the four components; an intersection of the longitudinal axis and the transverse axis is arranged on a connection line of a circle center of the first positioning ring and a circle center of the second positioning ring; an included angle is formed between the plane formed by the longitudinal direction and the transverse direction and the penetrating path of the guide needle. The positioning device is capable of assisting a doctor to quickly and accurately positioning far-end lock holes under the conditions without extra iatrogenic wounds and low radiation frequency.
Owner:安徽埃克索医疗机器人有限公司
Intelligent construction method of decoration design scheme
InactiveCN107767465APromote generationQuick buildGeometric CADImage enhancementPersonalizationThree-dimensional space
The invention provides an intelligent construction method of a decoration design scheme. A piece of a material pattern is selected in frame manner from two-dimensional material images, one of tiling,size transformation, angle transformation, depth complementing and main-body complementing or a combination manner is utilized to add the same into a three-dimensional space model, and the material pattern is utilized to fill up the space model to obtain three-dimensional decoration design scheme data. According to the method, development of internet home decoration toward a direction of procedurization, simplification, personalization, automation and intellectualization can be promoted; a realistic actual-person-version home-decoration-type human-machine interaction 3D game which is capable of advance experience and advance planning and simulation of comfortable living environments of future ideal homes is further provided for people while a lot of time is saved for decoration customers;and at the same time, the drawback that the decoration design scheme can only be designed by a designer or a proprietor who must be very creatively inspired is changed, and the drawback that people can only select fixed and patternized design schemes in a foolproof manner is changed.
Owner:深圳市万德建设集团有限公司
Gene conserved sequence, primer probe combination, kit and application for detecting neocoronavirus
ActiveCN112458210AEasy to detectAccurate judgmentSsRNA viruses positive-senseMicrobiological testing/measurementNucleic acid detectionConserved sequence
The invention provides a gene conserved sequence, a primer probe, a kit and application for detecting neocoronavirus, and belongs to a molecular biological nucleic acid detection technology. In orderto solve the technical problems of better specific detection of the neocoronavirus, sensitivity during detection and the like, the invention provides the gene conserved sequence, the primer probe, thekit and the application for detecting an ORF1ab / N gene of the neocoronavirus, and belongs to the molecular biological nucleic acid detection technology. The invention aims to improve the specificity,the sensitivity and the detection efficiency of neocoronavirus detection, so that the whole detection process is simpler, more convenient, quicker and more efficient.
Owner:SHANGHAI BIOGERM MEDICAL TECH CO LTD
Rotor-wing-type power transmission line patrol inspection walking mechanism capable of crossing obstacles
ActiveCN104283153AGuaranteed to be accurateAvoid safety hazardsApparatus for overhead lines/cablesEngineeringPower transmission
The invention provides a rotor-wing-type power transmission line patrol inspection walking mechanism capable of crossing obstacles. The walking mechanism comprises a bearing board used for bearing a patrol inspection device, at least two rotor wings used for crossing the obstacles are arranged on the bearing board, the bearing board is further provided with at least two walking devices capable of moving on a power transmission line in a reciprocating mode and a control device used for controlling motions of the rotor wings and the walking devices, a worker does not need to climb a tower when the walking mechanism is to be installed on the power transmission line, and the worker seldom needs to climb. The walking mechanism can effectively cross the obstacles including the tower and does not need to be aided manually in crossing the obstacles, the distance between the obstacles and the walking mechanism can be recognized accurately, and it is guaranteed that the walking mechanism can cross the obstacles accurately; safety hidden risks caused when the worker climbs to install the walking mechanism or aids the walking mechanism to cross the obstacles are effectively avoided.
Owner:STATE GRID CORP OF CHINA +1
Test processing method and device based on microphone
InactiveCN105979462AGuaranteed to be accurateHigh precisionElectrical apparatusMicrophoneAudio frequency
The embodiment of the invention provides a test processing method and device based on a microphone. The method comprises: detecting the audio frequency played by a sound source, and determining the sound source volume data; detecting the audio frequency by employing the microphone of a terminal, and generating the audio frequency information; determining the target volume data corresponding to the target microphone according to the audio frequency information; and comparing the target volume data with the sound source volume data, and determining the test result of the target microphone. According to the embodiment of the invention, the test processing method and device based on a microphone are able to determine the effect of receiving sound by each microphone and ensure the accuracy of detection for each microphone of the terminal, namely improve the accuracy of the detection for the microphones of the terminal.
Owner:LE SHI ZHI XIN ELECTRONICS TECH TIANJIN
Cable pay-off unit with tension regulating function
InactiveCN106904489AGuaranteed to be accurateImprove the winding effectFilament handlingFixed frameEngineering
The invention discloses a cable pay-off unit with a tension regulating function, and belongs to the technical field of wire and cable devices. The cable pay-off unit comprises a bottom plate, a fixed frame arranged on the bottom plate and a cable winding wheel which is arranged on the fixed frame for winding a cable, wherein a tension regulating device and a traction device are further arranged on the bottom plate; the tension regulating device comprises at least two regulating wheel groups which are arranged in parallel; a length counter is arranged on the top of each regulating wheel group; a cable cutter is arranged on the traction device; the regulating wheel groups and the traction device are aligned in parallel, and are arranged on the same straight line along with the cable winding wheel. The cable pay-off unit has the characteristics of a good cable winding effect, high pay-off precision and the like, further can be used for performing preliminary tension regulation on electric wires in a pay-off process, and guarantees quality and service lives of the electric wires.
Owner:太仓市友达电气技术有限公司
Clean gravity pressurization casting device for automobile hub production
InactiveCN107552771AImprove convenienceImprove practicalityFoundry mouldsFoundry coresPressure castingPush pull
The invention relates to a clean gravity pressure casting device for the production of automobile hubs, which includes a mold, a base, a lifting mechanism, a cleaning mechanism and two moving mechanisms. The lifting mechanism includes a first motor, a fixed ring, a lifting block, and a screw rod , a connecting block and two driven components, the cleaning mechanism includes a connecting rod, a push-pull component, a translation component, a lifting component and a cleaning component, the push-pull component includes an air pump, a cylinder and a piston, and the lifting component includes a lifting plate, a third motor, and a first gear , a sliding frame, a moving rod and a number of rollers. The clean gravity pressurized casting device used for the production of automobile hubs realizes the fixing and moving of the casting device through the lifting mechanism and the moving mechanism, which improves the convenience of the casting device. The mechanism cleans the mould, thereby ensuring the accuracy of the mould, and greatly improving the practicability of the casting device.
Owner:SUMEC WHEELS CO LTD
Digital image detecting device for measuring detection and verification of point dosage rapidly in real time
InactiveCN102090898AInnovative designGuaranteed to be accurateRadiation diagnosticsRadiation intensity measurementFlat panel detectorFull field
The invention relates to a digital image detecting device for measuring detection and verification of point dosage rapidly in real time. The middle region of a digital flat-panel detector is provided with at least one ionization chamber detector or semiconductor detector; the periphery parts of the digital flat-panel detector are respectively provided with at least one semiconductor detector or ionization chamber detector; an MV (millivolt)-level X-ray image is obtained under MV-level energy irradiation by the digital flat-panel detector, the MV-level energy of the point is detected and received by the ionization chamber detectors or the semiconductor detectors, and the detection result of the point dosage of the point are recorded; and comparison is carried out on the acquired detection result of the point dosage and the dosage result of the corresponding point on the dosage image of the digital flat-panel detector, thus the dosage result within the whole field range of the digital flat-panel detector can be obtained rapidly in real time.
Owner:SUZHOU LINATECH MEDICAL SCI & TECH CO LTD
Method for breeding autotetraploid saussurea involucrata plant
InactiveCN101946699AReduced germination rateReduce pollutionPlant tissue cultureHorticulture methodsBiotechnologyHypocotyl
The invention relates to a method for breeding a saussurea involucrata plant. In the method, the lower hypocotyl stem section of the saussureae involucratae aseptic seedling after cutting off root and leaves is used as the explant, the explant is induced by using solid culture media with different concentrations of colchicine to generate a tetraploid saussureae involucratae plant, and the tetraploid saussureae involucratae is identified by using the tetraploid screening identification technology. The method provides an improvement method for optimal colchicine concentration, processing time and processing temperature for inducing generation of tetraploid, and morphology, chromosome counting and flow cytometry for identifying tetraploid. The method can be used for quickly breeding the autotetraploid saussureae involucratae plants; and the method shortens the breeding cycle, thereby effectively increasing the content of active ingredients, and overcomes the defect of variety degeneration of the saussureae involucratae in natural propagation and artificial planting.
Owner:XINJIANG TECHN INST OF PHYSICS & CHEM CHINESE ACAD OF SCI
Intelligent accurate leveling measurement bearing
InactiveCN105423086ACompact and reasonable structureFast automatic levelingStands/trestlesLaser transmitterHydraulic control unit
The invention discloses an intelligent accurate leveling measurement bearing which comprises a measurement tripod, a laser transmitter, a vertical direction driving control unit, a horizontal direction hydraulic control unit, an ejection plate and a computer, wherein the vertical direction driving control unit comprises a second support plate, a third support plate, a motor and a universal wheel set; the horizontal direction hydraulic control unit comprises a hydraulic horizontal control system; the ejection plate is jointly supported by piston rods of a plurality of hydraulic cylinders; the upper surface and the lower surface of the ejection plate are parallel; and a second laser receiver is arranged on the upper surface of the ejection plate. With the adoption of mechanical control principle design and structural design, instruments of this type are higher in automatic leveling efficiency, higher in leveling accuracy, and more reasonable and compact in structure; and through automatic control and checking in the vertical and horizontal directions, the leveling steps in the vertical and horizontal directions can be carried out at the same time.
Owner:HUAZHONG UNIV OF SCI & TECH
Pile sinking construction method based on jacking-pushing walking platform
ActiveCN106120787AGuaranteed accuracyReduce processBulkheads/pilesArchitectural engineeringBuilding construction
The invention relates to the technical field of steel pipe pile sinking construction, in particular to a pile sinking construction method based on a jacking-pushing walking platform. A track beam is erected on a constructed a first round of steel pipe piles, then the walking platform is installed on the track beam, a crawler crane and a guide frame on the walking platform are adjusted, and a second round of steel pipe piles are inserted and piled through the crawler crane and the guide frame. A new track beam is erected to connecting all the second round of steel pipe piles, the jacking-pushing walking platform moves to the second round of steel pipe piles along the new track beam, the crawler crane and the guide frame are adjusted, inserting piling construction of a third round of steel pipe piles is completed through the crawler crane and the guide frame, and construction is conducted sequentially alternatively till construction of all steel pipe piles is completed. According to the pile sinking construction method based on the jacking-pushing walking platform, the structure is simple, and operation is convenient. The inserted-piled steel pipe piles are used as pile sinking foundations so that the stability of a pile sinking construction platform can be improved to a great extent, the accuracy of pile sinking construction is ensured, and the construction procedures are simpler.
Owner:CCCC SECOND HARBOR ENG
Perpendicularity checking device for roller stand angle square positioning gauge of spinning machine
ActiveCN105806190AMeet toleranceGuaranteed to be accurateMechanical measuring arrangementsPulp and paper industrySteel square
Owner:ANHUI HUAMAO TEXTILE
ONBA-based cloud manufacturing task minimum production time scheduling method
ActiveCN109445386AImprove experienceGuaranteed to be accurateTotal factory controlProgramme total factory controlLogistics managementComputer science
The invention relates to an ONBA-based cloud manufacturing task minimum production time scheduling method. The method includes the following steps that: a user uploads a large task to a cloud manufacturing platform; the cloud manufacturing platform decomposes the large task into m processing requests; each process is sorted and scheduled based on an ONBA algorithm, and corresponding production resources and manufacturers are selected; and relationships between every two adjacent processes and logistics time relationships between adjacent processes are determined based on the ONBA algorithm. Compared with a traditional algorithm, the method of the invention enables a task scheduling algorithm in the cloud manufacturing platform to expand a global search range and reserve local search capability at the same time, maintain the diversity of populations, have high search accuracy, be capable of solving high-quality solutions, expand the global search range and avoid the shortcomings of premature particles; and with the factor of logistics considered, the accuracy of the algorithm in practical application can be ensured, and therefore, the work efficiency of the cloud manufacturing platform can be improved, and user experience can be greatly enhanced.
Owner:杭州瓯仁数据智能有限公司
Bearing seat and electric main shaft
PendingCN112049866AReduce heatExtended service lifeEngine sealsBearing coolingThermodynamicsEngineering
The invention relates to the technical field of machine tools, in particular to a bearing seat and an electric main shaft; a first oil inlet path communicates to a first bearing mounting part of the bearing seat; a second oil inlet path communicates to a second bearing mounting part of the bearing seat; and an oil return path respectively communicates to the first bearing mounting part and the second bearing mounting part so as to facilitate the backflow of lubricating oil. According to the bearing seat, independent lubricating flow channels are respectively designed for a first bearing and asecond bearing, so that the accuracy of lubricating parameters is guaranteed, the heat generated in the working process of the bearings is reduced, and the service life of the bearings is prolonged; and cooling flow channels comprise a first flow channel positioned inside the bearing seat and a second flow channel formed in the outer periphery side of the bearing seat, the first flow channel communicates with the second flow channel, existing structural members for forming cooling flow channels are eliminated, and the cooling flow channels are formed in the bearing seat, so that the space occupation is reduced, and the outer diameter size of the front end of the electric main shaft is reduced.
Owner:GREE ELECTRIC APPLIANCES INC
Wind speed prediction method the basis of self excitation threshold autoregression model
InactiveCN106600055AGuaranteed to be accurateWind speed prediction method is excellentForecastingAlgorithmPredictive methods
The invention provides a wind speed prediction method the basis of a self excitation threshold autoregression model, belongs to the power transmission and distribution technology field and aims to improve an original wind speed prediction method and improve wind speed prediction precision. According to the method, an original non-linear wind speed sequence is divided into multiple sequences through an SETAR model on the basis of a threshold r and a lag order d, an AR model is established for each sequence segment, the model is an AR model actually or a segmented AR model controlled by the threshold r; an optimal prediction value is determined according to a prediction result. The method is advantaged in that non-linear characteristics of the wind speed sequence are fully mined, on the basis, the proper regression model is established. As proved by a test result, compared with a traditional prediction method on the basis of an ARMA model and a BP model, the method has higher prediction precision.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)
Servo pressurizing based depth measuring mechanism capable of variable pitch adjustment
The invention relates to a device for measuring the depth between a differential bearing in an automobile gearbox and the contact surface of a gearbox housing and a dust-proof cover, and specifically relates to a servo pressurizing based depth measuring mechanism capable of variable pitch adjustment. The mechanism comprises a servo pressure measurement portion and a variable pitch adjustment portion. The variable pitch adjustment portion comprises a displacement cylinder, a linear guide rail and a displacement connection board. The servo pressure measurement portion is installed on the displacement connection board and is driven to perform reciprocating motion on the linear guide rail through the displacement cylinder. The servo pressure measurement portion comprises a servo motor, a decelerator, a ball screw, a connection frame, a floating adjustment portion, a pressure sensor, a connection shaft, a displacement sensor, a pressure head and a measurement pressure head. The servo motor is connected with the ball screw through the decelerator. One end of the connection frame is in threaded connection with the ball screw. The other end of the connection frame is successively connected with the floating adjustment portion, the pressure sensor, the connection shaft, the pressure head and the measurement pressure head. The mechanism provided by the invention has the advantages of adjustable measuring pressure, diversified suitable models, reliable work and the like.
Owner:SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI
Method for reinforcing steel bar position determination and spatial model construction in building wall
ActiveCN107767415ASimple equipmentSimple methodGeometric CADImage enhancementEngineeringSpatial model
The invention discloses a method for reinforcing steel bar position determination in a building wall and comprises the following steps that: an infrared radiation device is fixed on the outer side ofthe wall body to shoot an infrared thermogram; according to a situation that a heat source range is shaded, the reinforcing steel bar position in the wall body is judged, a hydroelectric position is further designed, and slotting installation is carried out. The invention simultaneously provides a method for spatial model construction and comprises the following steps that: the infrared radiationdevice is simultaneously fixed on the necessary point of a building space, then, movement is carried out in the building space, the infrared thermogram and distance data are dynamically collected, andfinally, the collected data is converted into building space model data which contains reinforcing steel bar data. By use of the method, a complex measurement process is omitted, the complexity degree of an algorithm is greatly lowered, processing efficiency is high, an error ratio is low, the reinforcing steel bar position in the wall body can be directly obtained, and a modeling method which issimple in operation, easy in realization and accurate in data is provided for designers, especially designers, in the decoration industry so as to bring convenience for later-stage design, revision and display.
Owner:武汉华酷科技有限公司
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