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102results about How to "Improve positioning reliability" patented technology
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Virtualized network fault rapid positioning method fusing multi-source information
The invention provides a multi-source information fused virtualized network fault rapid positioning method, and relates to the technical field of electric digital data processing, and the method comprises the steps: classifying and sorting historical fault events, constructing a historical dynamic evaluation model, correcting a calibration index, capturing equipment performance changes and abnormities, and enhancing the fault recognition capability. Similar faults are accurately classified and preferentially processed according to severity; in the real-time monitoring stage, real-time multi-source and abnormal data are combined, a real-time dynamic evaluation model and a correction calibration index are calculated, a ratio is applied to calculate a fine adjustment strategy, the real-time performance and accuracy of fault positioning are remarkably improved, and network dynamic changes are quickly responded. And carrying out difference analysis on the adjusted real-time model and the historical model, calibrating a preliminary fault positioning result, and improving the positioning precision and reliability.
Owner:BEIJING DONGFANG RONGCHUANG INFORMATION TECH CO LTD
Self-adaptive positioning method based on CSI, electronic equipment and storage medium
ActiveCN119676824ALower deployment costsReduce maintenance costsParticular environment based servicesBiological modelsData miningSelf adaptive
The invention relates to the technical field of wireless network positioning, in particular to an adaptive positioning method based on CSI, electronic equipment and a storage medium. According to the method, high-discrimination fusion fingerprint data is generated through a fusion representation model according to amplitude information data and phase information data, and mapping between the high-discrimination fusion fingerprint data and corresponding physical positions in the environment is completed through a positioning model; the positioning model comprises an adaptive convolutional neural network composed of a source network and a target network, the source network processes data from a source domain, and the target network processes data from a target domain. The positioning model uses a self-adaptive convolutional neural network composed of a source network and a target network, so that the adaptability to the environment is improved.
Owner:JIANGXI NORMAL UNIV
Steel bar field detector
ActiveCN222635966UImprove convenienceImprove positioning reliabilityMaterial strength using tensile/compressive forcesMaterial strength using steady shearing forcesRebarMechanical engineering
The utility model discloses a reinforcing steel bar field detector which comprises a base, supporting plates are fixedly connected to the upper ends of the two sides of the base, a top plate is fixed to the upper ends of the supporting plates, installation grooves are formed in the side faces of the supporting plates, positioning blocks are arranged in the installation grooves, and pressure detection modules are installed at the lower ends of the installation grooves. A rotary disc is arranged at the lower end of the top plate, a positioning frame is fixed to the lower end of the rotary disc through bolts, and air cylinders penetrate through the two sides of the positioning frame. According to the reinforcing steel bar on-site detector, the anti-shearing force and the anti-compression force of a reinforcing steel bar can be independently detected by arranging two groups of independent detection structures, and the position switching of the two groups of detection structures can be completed by utilizing a turntable structure, so that the use convenience is improved; and the positioning reliability and stability of the reinforcing steel bar during detection can be improved.
Owner:YIYANG ZECHENG PROJECT MANAGEMENT CONSULTING CO LTD
Fusion positioning method of molten iron tank car and related equipment
ActiveCN119618238AHigh precisionImprove reliabilityInstruments for road network navigationLinear/angular speed measurementData packIn vehicle
The invention discloses a molten iron tank car fusion positioning method and related equipment, and relates to the field of molten iron tank car positioning, the method comprises the following steps: building map information data in a plant area, the map information data comprising a signal machine position coordinate, a turnout position coordinate, a camera position coordinate, an end line soil block position coordinate and a level crossing position coordinate; gNSS original positioning data and DGNSS differential correction information of the molten iron tank car are obtained; determining high-precision GNSS differential positioning data based on the GNSS original positioning data and the DGNSS differential correction information; acquiring real-time speed data and running direction data based on a vehicle-mounted wheel speed meter; and updating and correcting the position of the molten iron tank car based on the real-time speed data, the running direction data, the high-precision GNSS differential positioning data and the map information data in the factory to obtain predicted position information of the molten iron tank car.
Owner:武汉钢铁有限公司
Focus positioning method based on cardiac ultrasonic image
InactiveCN119600107Aaccurate identificationHigh positioning accuracyImage enhancementImage analysisMultiscale decompositionRadiology
The invention provides a focus positioning method based on a cardiac ultrasound image, which belongs to the technical field of cardiac ultrasound images and comprises the following steps: firstly, preprocessing an original image to remove noise and artifacts; then, through multi-dimensional matrix comparison and multi-scale decomposition, two types of abnormal feature matrixes are extracted; after the two abnormal feature matrixes are fused, a heart abnormal region can be positioned more accurately. And then determining the boundary of the abnormal region by adopting a density clustering algorithm, thereby completing the accurate positioning of the heart focus. And finally, marking a positioning result on the processed cardiac ultrasound image to form a visual focus positioning image. According to the method, the technologies of image preprocessing, feature extraction, anomaly detection, region segmentation and the like are combined, the focus region of the heart disease can be accurately positioned, and the technical problem that an existing neural network image recognition method is prone to ignoring details due to detail differences existing in heart ultrasonic images of different patients is solved.
Owner:QINGDAO MUNICIPAL HOSPITAL
Reduction gearbox with 90-degree steering output
ActiveCN222526800UEnsure key teeth accuracyReduce backlashToothed gearingsGearing detailsControl engineeringControl theory
The utility model relates to a 90-degree steering output reduction gearbox, which comprises an outer box, an input shaft assembly, a middle shaft assembly and an output shaft assembly are arranged in the outer box, the middle shaft assembly is meshed with the input shaft assembly, the output shaft assembly is meshed with the middle shaft assembly, and the input shaft assembly is parallel to the middle shaft assembly and is perpendicular to the output shaft assembly. The output shaft assembly comprises a bevel gear wheel meshed with the intermediate shaft assembly and an output shaft in bolted connection with the bevel gear wheel, the bevel gear wheel is arranged in the shell, the output shaft extends out of the shell to be arranged in a bearing seat, and an output end bearing assembly matched with the output shaft and an output end oil seal assembly for sealing the bearing seat and the output shaft respectively are arranged in the bearing seat. The front end and the rear end of the input shaft assembly extend out of the shell. The utility model reduces the maintenance cost, can be matched with the power input of a high-power tractor, improves the transmission efficiency, reduces the noise and vibration, has high sealing reliability, and can effectively reduce the oil leakage.
Owner:ZHUZHOU GEAR CO LTD
Highway long tunnel real-time fire source detection method and system based on multi-modal fusion
The application discloses a kind of based on multimodal fusion expressway long tunnel real-time fire source detection method and system, it is estimated by introducing smoke temperature airflow dynamic propagation delay under wind speed constraint, visible light, infrared, smoke concentration and environmental temperature and so on heterogeneous data are phase shift compensation and space-time unification, different modal can correspond to the same fire physical time, then respectively extract visual side flame profile, thermal gradient feature and sensing side smoke temperature mutation, time evolution characteristics, and utilize cross-modal interactive fusion to form the fusion feature expression with image representation ability and environmental perception ability, finally, combine target detection and inverse perspective positioning Output fire confidence and fire source coordinates, to solve the problem that multi-source data is difficult to effectively align, early fire source feature weak leads to inaccurate identification, false alarm under complex disturbance is higher and fire source position is difficult to determine in real time accurately, improve the real-time, accuracy and engineering applicability of tunnel fire source detection.
Owner:LUOYANG INST OF SCI & TECH
A locking mechanism for a diagonal tie rod in an outward-opening, top-hung hardware system.
ActiveCN224282274UAvoid the cumbersome installation processSimplify the assembly processWing fastenersSash windowMechanical engineering
A locking mechanism for a diagonal tie rod in an outward-opening, top-hung hardware system is disclosed. The diagonal tie rod includes a movable tie rod slidably mounted on a base for positioning a first connecting rod. The base has a first connecting rod with a limiting groove at one end near the base. The positioning device includes a limiting block with a locking part. When the window sash needs to be opened to its maximum position, the locking part extends out of the base and engages with the limiting groove to form a limiting connection, thus locking the window sash. The movable tie rod has an unlocking part. When the window sash needs to be closed, the locking part slides within the base driven by the handle. The unlocking part abuts against the limiting block, creating a lever effect that disengages the locking part from the limiting groove, thereby releasing the locked state of the window sash.
Owner:WEN ZHOU CHUN GUANG WU JIN YOU XIAN GONG SI
Battery box
ActiveCN222601223UImprove positioning reliabilityHigh positioning accuracyCell component detailsElectrical batteryStructural engineering
The utility model relates to the technical field of energy storage, in particular to a battery box. The battery box comprises a box body and a battery assembly, the battery assembly comprises a plurality of single batteries, the single batteries are sequentially arranged in a row in the first direction in the posture that the large faces are opposite, and the large faces of every two adjacent single batteries in each row are bonded; the box body comprises a frame, the frame comprises a first surrounding plate and a second surrounding plate, and the first surrounding plate and the second surrounding plate respectively press the two ends of the battery assembly in the first direction; the frame further comprises a third coaming and a fourth coaming, the third coaming and the fourth coaming respectively press the two ends of the battery assembly in the second direction, and the first direction and the second direction are arranged in a crossed mode; the first coaming, the third coaming, the second coaming and the fourth coaming are sequentially connected in a fastened mode. According to the frame of the box body of the battery box, each single battery is prevented from moving and misplacing through the pressing force and the pressing stroke, the complexity of the assembling process and the structure is reduced, and the positioning reliability and the positioning precision of the box body on a battery assembly are improved.
Owner:SUNWODA ENERGY TECHNOLOGY CO LTD
Sound source localization and voiceprint recognition fused method, chip and electronic equipment
PendingCN121999784AImproved accuracy of identity-location associationImprove processing efficiencySpeech analysisPosition fixationSound sourcesEngineering
The invention relates to an acoustic signal processing and biological recognition technology, in particular to a method for fusing sound source localization and voiceprint recognition, a chip and electronic equipment. The method comprises the following specific steps: synchronously acquiring an environment audio signal through an audio acquisition module array and processing the environment audio signal to obtain audio data; and analyzing the audio data to obtain deep fusion voiceprint features. And judging whether a registered user feature library contains the deep fusion voiceprint feature or not, if so, outputting a sounder identity, and if not, marking and endowing an identification number of the sounder identity. And positioning the sound source based on the audio data to obtain a space coordinate thereof. And establishing an identity-position association model, binding identity information output by voiceprint recognition with space coordinates obtained by sound source positioning, and generating identity-position association data. According to the method, the technology is fused and innovated, accurate linkage of identity-position is realized, high real-time performance and strong anti-interference capability are realized, and the method is adaptive to complex scenes.
Owner:杭州智芯科微电子科技有限公司
Positioning system switching method and device, equipment and medium
PendingCN119644389AMeet the positioning needsGuaranteed positioning accuracySatellite radio beaconingHigh level techniquesComputer hardwareAutomatic control
The invention discloses a positioning system switching method and device, equipment and a medium, and relates to the technical field of automatic control, and the method comprises the steps: obtaining first navigation information, when the first navigation information does not meet a preset positioning requirement, obtaining a second positioning system attribute and a second positioning system configuration, and when the second positioning system attribute and the second positioning system configuration both meet the preset power-on requirement, sending a control instruction, starting the second positioning system, switching the navigation mode into a second navigation mode, and obtaining second navigation information. When GPS positioning is not accurate, other positioning systems are switched to ensure the positioning precision, improve the positioning reliability and meet the positioning requirements in different scenes.
Owner:无锡宇宁科技集团股份有限公司
An indoor positioning system for fire safety evacuation
ActiveCN121531457BHigh positioning accuracyImprove positioning reliabilityParticular environment based servicesAlarmsUltra-widebandSimulation
The application discloses a kind of indoor positioning systems for fire safety evacuation, it is related to fire safety technical field, the indoor positioning system includes positioning terminal, wireless communication module, server and fire equipment control module, positioning terminal is worn on the body of indoor personnel, for real-time acquisition personnel's position information, and position information is sent to server by wireless communication module, server receives position information, and personnel is positioned according to stored high-precision indoor map, simultaneously, server also sends personnel's position information to fire equipment control module, to make fire equipment control module control the operation of fire equipment according to personnel position information, the indoor positioning system for fire safety evacuation of the application has very high positioning accuracy and reliability, positioning terminal uses ultra-wideband UWB positioning technology, can accurately determine personnel position in complex indoor environment.
Owner:NANTONG JUNYUAN INFORMATION TECH CO LTD
Bidirectional photoelectric measurement cooperative positioning method
PendingCN121978696AHigh precisionLow latency positioningNavigation by speed/acceleration measurementsElectromagnetic wave reradiationElectromagnetic interferenceElectromagnetic environment
The invention provides a bidirectional photoelectric measurement cooperative positioning method, which is used for realizing high-precision and low-delay cooperative positioning through bidirectional photoelectric distance measurement and direction finding and data link synchronization between an unmanned ship and a patrolling flight device when the navigation equipment of the patrolling flight device has short-time faults (such as electromagnetic interference, shielding and high maneuvering states). The unmanned surface vehicle and the patrolling flying devices measure the other one by using self photoelectric equipment respectively, and position estimation values of the two patrolling flying devices are independently calculated respectively based on the high-precision position of the unmanned surface vehicle; the collaborative weight coefficient is calculated according to the measurement error of the photoelectric equipment of the two parties, weighted average fusion is carried out at the patrolling device end, the optimized positioning result is directly output, and the delay error caused by back-and-forth transmission of a data chain is effectively avoided. And reliable positioning information can be obtained by the patrolling device in a complex electromagnetic environment and a maneuvering condition. The method is suitable for a cooperative scene of the unmanned surface vehicle and the patrol aircraft, and has the advantages of good real-time performance, strong anti-interference performance, low cost and the like.
Owner:BEIJING INST OF AEROSPACE CONTROL DEVICES
A light-transmitting cement-based material preparation device and use method thereof
ActiveCN112917642Bquality improvementinfluential impactAuxillary shaping apparatusFiberMaterials preparation
The invention relates to a light-transmitting cement-based material preparation device and a method for using the same, and belongs to the technical field of light-transmitting cement-based material production equipment, comprising: a bracket; a placement frame, which is vertically arranged on one side of the bracket and suspended in the air, and the placement frame is connected to the bracket; a wire-laying component, which is arranged just above the placement frame and is used to fix optical fibers; a plurality of frame plates, which are horizontally stacked inside the placement frame; a fixing component, which is arranged inside the placement frame and is used to fix the frame plates; a cutting component, which is arranged below the placement frame and is used to cut the optical fibers in a horizontal direction; the invention ensures the standardization of frame construction through the gravity of the frame plates and the optical fibers themselves, and the electric heating riveting plate can not only cut the optical fibers but also form a connection anchor point between the optical fibers and the frame plates, so as to prevent the displacement of the optical fibers during the pouring process and improve the quality of preparing light-transmitting cement-based materials. The invention is simple to operate, easy to use, highly practical, and worthy of promotion.
Owner:武夷学院
A thin-walled part positioning and clamping device
This invention discloses a positioning and clamping device for thin-walled parts, including a hydraulic clamping module and a quick positioning module. The hydraulic clamping module includes a base, and an expansion sleeve is installed in the inner cavity of the base, forming a sealed hydraulic oil chamber between the expansion sleeve and the inner cavity sidewall of the base. The quick positioning module includes a positioning shaft, and a disc is coaxially arranged at the lower part of the positioning shaft. The bottom of the positioning shaft passes through the disc and mates with a central positioning hole on the bottom surface of the inner cavity of the base. The positioning shaft is assembled in the inner cavity of the base. An installation hole is opened on the side of the disc and extends into the disc. A positioning block is installed in the installation hole by a spring. The front end of the positioning block has a toothed structure, and the spring can push the front end of the positioning block to the outside of the disc. A connecting groove communicating with the installation hole is opened on the upper surface of the disc. The lower end of the handle is inserted into the connecting groove and connected to the positioning block by a pin. A through groove is opened on the positioning shaft. The handle passes through the through groove, and the middle part of the handle is installed in the through groove by a pin.
Owner:QINGAN GROUP CO LTD
Single-layer Compton camera system and imaging method
PendingCN121995426ASimple structureminiaturizationRadiation intensity measurementNuclear radiationEnergy information
The invention discloses a single-layer Compton camera system and an imaging method, and relates to the technical field of nuclear radiation imaging. The system comprises a single-plane pixel type gamma ray detector used for collecting gamma ray interaction event data, including time information and energy information of each interaction and two-dimensional position information in a detector plane, and forming pixel counting distribution; the shielding structure is arranged on one side of the plane of the detector, is located in a local area of the detector and is used for enabling pixel counting distribution to generate a local counting missing feature when gamma rays are incident from one side where the shielding structure is located; and the judging and imaging module is used for judging a gamma ray incident side based on the local counting missing feature and executing Compton imaging reconstruction in a corresponding hemispherical view field range according to the judged incident side. According to the invention, partitioned omnidirectional imaging can be carried out on the radioactive source under the condition that a detector does not need to act on depth information, and meanwhile, generation of mirror image artifacts is avoided.
Owner:UNIV OF SCI & TECH BEIJING
A method, apparatus, device, and medium for real-time monitoring of cracks in an additive manufacturing process
PendingCN122109103ARealize online automated processingRealization judgmentMaterial analysis using wave/particle radiationAdditive manufacturing apparatusData setSoftware engineering
The present application relates to a kind of additive manufacturing process crack real-time monitoring method, device, equipment and medium, comprising: S1.in the additive manufacturing process, the laser radiation signal for forming piece is collected in real time and conversion, and the converted electric radiation characteristic signal is handled, and the radiation signal thermogram of forming piece is obtained;S2.to the forming piece simultaneously carries out CT scanning and obtains image data, and after processing, crack characteristic distribution chart is obtained;S3.radiation signal thermogram and crack characteristic distribution chart correspond with the layer number of forming piece, and the radiation signal crack characteristic data set corresponding to layer by layer point by point is obtained;S4.data set is used to train machine learning or deep learning model, and crack determination model is obtained;S5.crack determination model is used for online monitoring to carry out crack identification.The method of the present application can form the radiation signal crack database corresponding to layer by layer point by point in three-dimensional space, and the data consistency and migratability are improved.
Owner:UNIV OF SCI & TECH BEIJING
A pseudorange robustness method for inertial navigation-assisted BeiDou heterogeneous constellations
ActiveCN119247433BHigh precisionImprove reliabilitySatellite radio beaconingComplex mathematical operationsAlgorithmSatellite observation
The present invention provides an inertial navigation-assisted Beidou heterogeneous constellation pseudo-range anti-error method, constructs a noise matrix R, distinguishes satellites according to satellite observation signals and constructs a heterogeneous constellation model, calculates the standard deviation of the heterogeneous constellation model, calculates the standard deviation of pseudo-range observation values by error propagation law and standard deviation, and constructs the noise matrix R based on the standard deviation; constructs an anti-error factor, obtains Beidou pseudo-range observation values and inertial navigation position observation values, obtains Beidou pseudo-range observation value residuals by inertial navigation position observation values, and constructs an anti-error factor based on the pseudo-range observation value residuals; combines filtering, constructs an equivalent covariance matrix according to the noise matrix R and the anti-error factor, performs combined filtering and solving based on the equivalent covariance matrix, and obtains a combined navigation result. The present invention can improve the positioning reliability and stability of the BDS / IMU tight group positioning system.
Owner:华芯拓远(天津)科技有限公司
Tray for position switching of rotary nailing machine
ActiveCN224131793Ureduce waiting timeImprove work efficiencyExternal framesContainers to prevent mechanical damageControl engineeringControl theory
The utility model relates to the technical field of trays, in particular to a tray for switching positions of a rotary nailing machine, which comprises a supporting component, a positioning component, a positioning component and a rotating component, and is characterized in that the side surface of the supporting component is fixedly connected with the positioning component; the supporting assembly comprises a bottom frame, a stabilizing frame is fixedly connected to the bottom of the bottom frame, a rotating disc is fixedly connected to the center of the stabilizing frame, the side surface of the bottom frame is fixedly connected with the positioning assembly, and the positioning assembly comprises a containing frame. When wide foot piers on the placing frame on one side are fixed through the clamping frame and the limiting clamping plate and rotate to the side of the nail shooting robot for nail shooting, the placing frame on the other side can synchronously clamp and fix new foot piers, alternate operation on the two sides is achieved, the waiting time is greatly shortened, and the overall operation efficiency is improved.
Owner:CHONGQING BENEL TECHNOLOGY CO LTD
Support structure
ActiveCN222597203UImprove positioning reliabilityeasy to carryMechanical engineeringIndustrial engineering
Owner:SHENZHEN ZHENGHAIXIN TECH CO LTD
DVL error correction method, device and system based on BP neural network and particle swarm optimization
ActiveCN119513446AImprove efficiencyHigh precisionArtificial lifeTesting/calibration of speed/acceleration/shock measurement devicesQuaternionEngineering
The invention discloses a DVL error correction method and device based on a BP neural network and particle swarm optimization. The method comprises the following steps: step 1, establishing a DVL speed measurement model; step 2, establishing a DVL error loss function, replacing # imgabs 1 # with an equivalent quaternion # imgabs 0 #, and reorganizing each item; and step 3, iterating by using a BP neural network and a particle swarm optimization algorithm to obtain a minimum value, and calibrating the DVL error calibration by using the minimum value. According to the invention, the optimization speed and accuracy of the calibration process can be ensured.
Owner:HUNAN UNIV
Machine learning-based BIM component and robot association positioning method
Owner:ZERO-YI TONGZHI (QINGDAO) DIGITAL TECHNOLOGY CO LTD
A method and device for risk assessment of composite material structure under multiple impacts
ActiveCN118839603Baccurate assessmentImprove positioning accuracyDesign optimisation/simulationNeural learning methodsNeural network nnRisk matrix
The present application belongs to the field of structural damage detection, and specifically discloses a method and device for risk assessment of composite material structures under multiple impacts, the method comprising: obtaining a probability imaging map of the impact location; thresholding the probability imaging map to obtain a thresholded probability imaging of the impact location; obtaining the total signal energy and energy feature vector; inputting the total signal energy, energy feature vector and position feature vector into a trained BP neural network to obtain the predicted value of the impact energy corresponding to each position point; thresholding the predicted value of the impact energy at each position point to obtain a thresholded impact energy distribution; repeatedly obtaining the risk matrix of multiple impacts, accumulating the risk matrix of each impact, and obtaining the risk assessment result of the composite material structure after multiple impacts. The present application can improve the positioning accuracy and reliability, thereby more accurately assessing the risk situation of the structure.
Owner:CHINA STATE SHIPBUILDING CORP LTD RESEARCH INSTITUTE 719
Positioning method and device of wearable equipment, electronic equipment and storage medium
PendingCN121978724AImprove positioning reliabilityreduce biasNavigation by speed/acceleration measurementsSatellite radio beaconingWearable eegRemote sensing
The invention relates to a positioning method and device of wearable equipment, electronic equipment and a storage medium. The method comprises the following steps: continuously collecting inertial measurement data of the wearable equipment, detecting the moment when the wrist of a user wearing the wearable equipment swings to a target position based on the inertial measurement data, and calculating a mounting attitude angle corresponding to the wearable equipment by using the inertial measurement data corresponding to the moment, the method comprises the following steps: acquiring an installation attitude angle of a user, determining an initial motion parameter for the user according to the installation attitude angle, performing speed compensation on the initial motion parameter to obtain a target motion parameter, screening unshielded satellite measurement data based on the target motion parameter, and generating a positioning result by fusing the inertial measurement data and the satellite measurement data. According to the scheme provided by the invention, the positioning reliability of the wearable device can be improved in a complex urban environment.
Owner:GUANGDONG ESHORE TECH
Conductive member mounting apparatus
ActiveCN224295184UAccurate and reliable installation positionHigh fit consistencyWork holdersMetal working apparatusBearing surfaceMechanical engineering
The utility model relates to electronic product assembly technical field discloses a kind of electrically-conductive parts mounting equipment, comprising: bearing, including insertion section and exposed section, insertion section is connected with exposed section and is equipped with via, bearing is equipped with cavity and bearing surface, bearing surface is at least partially located insertion section, for bearing electrically-conductive parts, via is through bearing surface, cavity is communicated with via and is through the surface of exposed section;Limit protrusion, be located at the outer circumferential surface of exposed section;Jacking part, insert in cavity, and from exposed section, jacking part has jacking protrusion, jacking protrusion is movably inserted in via.The electrically-conductive parts mounting equipment of the utility model has the advantages of simple operation, electrically-conductive parts is not easy to deviate, yield and production efficiency is high.
Owner:SHENZHEN XINWEI INTELLIGENT TECH CO LTD
Positioning structure of calendar ring of clock
ActiveCN224203578USimple structureImprove positioning reliabilityVisual indicationSimulationChange positions
The utility model discloses a positioning structure of a clock calendar ring, which comprises a main clamping plate and a calendar ring, the calendar ring is rotatably mounted on the main clamping plate, a plurality of shifting teeth are arranged on the inner periphery of the calendar ring at intervals, the calendar ring is intermittently driven by a driving part mounted on the main clamping plate to change positions, and a positioning groove is formed between every two adjacent shifting teeth. The middle of a positioning piece is hinged to the main clamping plate, the positioning piece is provided with two arms, one arm of the positioning piece is provided with a positioning part, the other arm of the positioning piece is provided with an elastic part or an elastic body, one arm of the positioning piece is clamped on one positioning groove through the positioning part to position the calendar ring, and the other arm of the positioning piece is connected to the main clamping plate; the elastic effect of the other arm of the positioning piece is utilized, so that when the driving piece intermittently drives the calendar ring to change the position, the positioning part can be matched with the other positioning groove for repositioning. The utility model has the advantages of simple structure, higher positioning reliability and lower assembly difficulty, and is easy to realize automatic assembly.
Owner:FUJIAN ZHONGCHEN PRECISION MOVEMENT CO LTD
Conveying line material positioning mechanism
PendingCN122035511AImplement dynamic partitioningEasy to adjustConveyorsConveyor partsProduction lineMaterial transport
The invention relates to the technical field of material transportation, and discloses a conveying line material positioning mechanism which comprises a supporting assembly, a conveying mechanism and a positioning unit, the conveying mechanism and the positioning unit are both located above the supporting assembly, and the supporting assembly comprises a base, a transverse supporting rod and a longitudinal supporting rod; one side of the base is connected with the transverse supporting rod and the longitudinal supporting rod, and the transverse supporting rod and the longitudinal supporting rod are both used for increasing the transverse rigidity of the supporting assembly. Compared with the prior art, the spacing and the position between the baffles can be quickly and accurately adjusted, box type materials of various sizes and specifications can be adapted without shutdown for jig replacement, the flexibility of a production line is greatly improved, the small-batch and multi-variety modern production requirements are met, and the equipment adjusting time and the labor cost are reduced.
Owner:FOSHAN NANHAI HONGRUI MASCH MFG CO LTD
Positioning button switch based on double-rib double-convex hull structure
PendingCN121964417Areduce loosenessFix gap inconsistenciesElectric switchesConvex structurePush switch
The invention relates to the technical field of switches, and discloses a positioning button switch based on a double-rib double-convex hull structure, which comprises a panel and at least one button, and is characterized in that the button is rotatably mounted on the panel; the button is provided with a first positioning rib and a second positioning rib, and the panel is provided with a first positioning groove and a second positioning groove; each first positioning rib is provided with a first convex hull, each second positioning rib is provided with a second convex hull, when the button is dialed, the first positioning ribs are inserted into the first positioning grooves, the first convex hulls abut against the inner walls of the first positioning grooves, or the second positioning ribs are inserted into the second positioning grooves, and the second convex hulls abut against the inner walls of the second positioning grooves. Through arranging two groups of positioning ribs and convex hulls on the button and arranging a matching structure of two groups of positioning grooves on the panel, the convex hulls abut against the positioning grooves when the button is in different dialing positions, the button does not shake left and right when being dialed, the problem that gaps between the button and the panel are inconsistent is solved, the button looseness is reduced, and the button reliability is improved. The positioning reliability and the operation hand feeling of the button switch are improved.
Owner:GUANGDONG JINLI ELECTRICAL APPLIANCE CO LTD
Image processing-based optical cable joint box appearance detection method and system
The present application relates to the technical field of visual detection, in particular to a cable joint box appearance detection method and system based on image processing, comprising the following steps: extracting indentation gray scale features and constructing a contour map, identifying direction mutation and marking rib turning points, extracting texture channels and demarcating gray scale ranges, extracting crack pixels to generate path atlas, and classifying crack forms to generate a list. In the present application, indentation gray scale features and edge coordinates are used to construct and restore boundary contours, thereby enhancing the accuracy of form recognition. Path direction analysis identifies direction mutation points, and the distribution of marked rib turning structures is combined to improve the ability to recognize complex contours. The arrangement direction of pixels and the gray scale gradient are used to demarcate and strengthen texture area discrimination, thereby ensuring the continuity of texture under fuzzy boundaries. Gray scale discontinuous pixels are used to construct crack paths and maintain connectivity, restore structure extension relationships, and support the classification of joint cracks by combining path mutation features and termination points, thereby improving positioning and discrimination depth.
Owner:HUNAN GL TECH CO LTD
In-situ measuring fixture
ActiveCN224274724UHigh adjustment accuracyHigh positioning accuracyWork holdersMechanical measuring arrangementsScrew threadPhysics
Owner:PANZHIHUA UNIV