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2845results about How to "Stable support" patented technology

Multi-source image collaborative inspection identification analysis system and method for digital country

The invention relates to the technical field of rural image inspection and recognition, and discloses a multi-source image collaborative inspection and recognition analysis system and method for a digital rural area, and the method comprises the steps: collecting multi-source image data in real time; obtaining a plurality of characteristic parameters corresponding to each image data item in the image data set, and carrying out space-time registration and multi-scale fusion processing on the plurality of characteristic parameters of each image data item; performing target detection and identification analysis on the plurality of feature parameters in the fusion feature parameter set, and constructing an abnormal point identification model; setting a plurality of abnormal point change thresholds according to the inspection coordinate data set for classification processing to obtain a plurality of abnormal point categories; and setting a corresponding co-processing scheme according to the plurality of abnormal point categories, and setting early warning information corresponding to the change trends of the plurality of abnormal point categories based on the co-processing scheme. According to the invention, the intelligent degree and response efficiency of rural inspection are improved, and the safety and sustainable development of digital rural construction are effectively guaranteed.
Owner:ZHEJIANG COMM SERVICES

Turning equipment for precise bearing assembly

The invention relates to the technical field of turning equipment, and discloses turning equipment for a precision bearing assembly, which comprises two symmetrically arranged chucks, a rotation driving assembly for driving the chucks to rotate, a driving base for driving the chucks to translate, and a cutting mechanism for cutting a workpiece, a plurality of first sliding grooves are formed in the chuck in the radial direction, the first sliding grooves are formed in the chuck in a penetrating mode, first sliding bases are slidably installed in the first sliding grooves, and sliding type fixing rods are arranged in the first sliding bases in a penetrating mode; through the arrangement of composite positioning of the axial adjustable sliding type fixing rod and the two-way double chucks, adaptive clamping of long cylindrical blanks with different axial lengths is achieved, and the fixing mode that inner hole multi-point supporting and end face pressing are combined is adopted; the problems of blank local deformation, rotation eccentricity and low coaxiality caused by a traditional clamping mode are effectively solved.
Owner:HENAN TONGCHAN MASCH CO LTD

Industrial measurement data intelligent analysis report generation method and system based on large language model

The invention discloses an industrial measurement data intelligent analysis report generation method and system based on a large language model, and relates to the technical field of industrial measurement, and the method comprises a multi-source data and abstraction module which carries out the structural processing of original data DAT output by measurement analysis software; and the large language model service and interface module is used for submitting the PCT to a selected large language model LLM through a multi-model adaptation interface to execute semantic reasoning and output a structured text TXT. Structured analysis and semantic association modeling are carried out on original measurement data through multi-source data and an abstract module, when overall alignment deviation or local feature anomaly exists in the original data, a hierarchical dependency relationship between the data can be established through a semantic graph structure, a deviation transmission path is revealed, and the accuracy of the measurement data is improved. The large language model is analyzed in a unified data context, and the utilization depth of measurement data can be effectively improved, so that the accuracy and integrity of report analysis are improved.
Owner:NANJING YUNTONG TECH CO LTD

Anchor rod for mining engineering

The utility model provides an anchor rod for mining engineering, which relates to the technical field of anchor rods and comprises an anchor rod body, a cushion block and a tray are sleeved on the surface of the anchor rod body, a nut is in threaded connection with the arc surface of the anchor rod body, and a reinforcing device is arranged on the surface of the tray. The reinforcing device forms certain connection on adjacent anchor rod bodies installed on the surface of a rock mass through adjusting plates, the reinforcing device comprises a connecting plate, the two sides of the surface of the connecting plate are slidably connected with the adjusting plates correspondingly, and a plurality of evenly-distributed clamping grooves are formed in the surface of the connecting plate; an installation shaft is rotatably arranged on the surface of one side of the adjusting plate, the installation shaft is fixedly connected with the surfaces of the trays, and rotating shafts are installed on the two sides of the surface of the adjusting plate respectively. The use effect and functionality of the anchor rod are improved, and the application range of the anchor rod is widened.
Owner:FEICHENG HIGH-TECH EQUIPMENT CO LTD

Material tracking system for battery production

The invention discloses a material tracking system for battery production, and particularly relates to the technical field of production data traceability, a process topology constraint model is constructed based on a production process, and a material flow expected path is generated; collecting behaviors of the materials in each station to form a material circulation time sequence track; matching the time sequence track with the process topology constraint model to generate a process legality state; controlling association establishment of process data and material identifiers according to a process legality state, and isolating and re-checking data which do not meet constraints; a source identifier is introduced into the process data and is bound with the process legality state, and finally a material production resume record is generated; according to the invention, through process topology constraint and behavior time sequence matching, accurate tracking of material circulation in a dynamic production scene is realized; abnormal path data is prevented from entering associative storage through legality judgment and associative gating; through source identification and resume integration, the traceability and the rechecking reliability capability of the material production process are improved.
Owner:NINGDE SKEQI INTELLIGENT EQUIP CO LTD

Air bag device for construction of foam concrete buffer layer of cross-fault tunnel

The utility model provides an air bag device for construction of a cross-fault tunnel foam concrete buffer layer. The air bag device comprises an inflatable flexible air bag, a first annular closed steel formwork and a second annular closed steel formwork. The first annular closed steel formwork and the second annular closed steel formwork are arranged at the two ends of the inflatable flexible air bag. An inflation connector is arranged at one end of the inflatable flexible air bag, and a first filling pipeline and a second filling pipeline are arranged on the first annular closed steel formwork and the second annular closed steel formwork. The construction efficiency is remarkably improved on the premise of not losing the shock absorption and isolation performance of the foam concrete, one-time forming is achieved, the construction quality is guaranteed, and the cost is saved; in addition, due to the reusable characteristic of the air bag device, the construction cost is further reduced, and the problems that in a traditional construction method, efficiency is low, the seismic mitigation and isolation performance of the expanded excavation section foam concrete buffer layer is difficult to guarantee, and cost is high are solved.
Owner:CCCC SECOND HIGHWAY CONSULTANTS CO LTD

Hydroelectric generating set upper guide shoe temperature intelligent prediction method based on multi-source data fusion

The invention discloses a hydroelectric generating set upper guide shoe temperature intelligent prediction method based on multi-source data fusion, and relates to the technical field of hydroelectric generating set state monitoring and intelligent early warning, and the method comprises the steps: collecting and preprocessing multi-source operation data of a hydroelectric generating set, and constructing a unified time sequence data set; according to a preset working condition zoning rule, the operation working condition type of the current hydroelectric generating set is judged, and a working condition label corresponding to the thermal state of the upper guide shoe is obtained; performing feature importance sorting on the multi-source fusion feature set to obtain an optimal feature subset; on the basis of the optimal feature subset, an upper guide shoe temperature integrated prediction model is established and trained; and predicting an upper guide shoe temperature prediction value, and judging whether a temperature abnormal rise risk exists or not. According to the method, high-precision prediction and real-time abnormal trend identification of the temperature of the guide shoe on the hydroelectric generating set are realized through working condition classification, feature optimization and integrated prediction strategies, and meanwhile, reliable data support and decision basis are provided for intelligent operation and maintenance.
Owner:LONGTAN HYDROPOWER DEV

Fault intelligent diagnosis type thermal power plant electric power operation and maintenance method and system

The invention discloses a fault intelligent diagnosis type thermal power plant electric power operation and maintenance method and system, and particularly relates to the technical field of thermal power plant electric power operation and maintenance and intelligent diagnosis, the system adopts an edge-cloud-site three-layer collaborative architecture, and comprises a sensing module, an edge processing module, a cloud core module, a site execution module and an optimization iteration module; the method is based on the system, combines technologies of federated learning, digital twinning and the like, and forms a closed-loop mechanism through full-dimension data acquisition and preprocessing, three-stage twinning model construction and updating, three-mode fusion fault diagnosis, differentiated operation and maintenance treatment and model self-optimization. The problems that traditional operation and maintenance cross-equipment fault tracing is difficult, and data safety and sharing are contradictory are solved, the diagnosis accuracy is larger than or equal to 98.5%, early warning level faults are pre-judged 3-6 hours in advance, the operation and maintenance cost is reduced by 30% or above, operation and maintenance are promoted to be transformed to active pre-judgment and intelligent optimization, stable operation of a unit is guaranteed, and practicability is remarkable.
Owner:HUANENG POWER INTERNATIONAL INC SHANGHAI SHIDONGKOU FIRST POWER PLANT +1

Cross-temperature health state evaluation method and system for underwater robot battery

PendingCN121955794AEnhance targeted portrayal capabilitiesStable estimated performanceElectrical testingKernel methodsElectrical batteryEngineering
The invention discloses a cross-temperature health state assessment method and system for an underwater robot battery, and relates to the technical field of battery health state assessment, and the method comprises the steps: S1, collecting data in the operation process of an underwater robot; s2, an environment temperature profile is constructed, and working condition types are identified; s3, constructing a multi-dimensional health feature vector; s4, constructing an LSSVM and SVR regression model, and optimizing model hyper-parameters; s5, calculating characteristic stability and comprehensive complexity indexes, and adaptively selecting a model; s6, identifying the working condition category of the charge-discharge cycle, extracting and standardizing the features, calling the adaptive model, iteratively outputting SOH estimated values, and splicing to form an SOH evolution curve; according to the cross-temperature health state evaluation method and system for the underwater robot battery provided by the invention, the problems of unstable cross-temperature performance and insufficient generalization ability in the prior art are solved.
Owner:HAINAN UNIV

Power optimization distribution control method based on wind storage combined frequency modulation system

The invention relates to the technical field of power system frequency control, and particularly discloses a power optimization distribution control method based on a wind storage combined frequency modulation system, which comprises the following steps of: synchronously acquiring a power grid frequency modulation instruction, wind power output, an energy storage charge state and adjustable power capacity data; extracting wind power fluctuation frequency and amplitude characteristics and energy storage charge and discharge depth and response rate characteristics; by taking the features as state constraints, constructing a multi-objective optimization model taking the highest frequency modulation tracking precision and the minimum energy storage life loss as objectives, and solving the multi-objective optimization model to obtain a power optimal distribution coefficient; generating a wind power smoothing instruction and an energy storage amplitude limiting instruction according to the coefficient, and issuing and executing; collecting actual response data to calculate deviation, and dynamically correcting a weight coefficient and a constraint boundary of the optimization model; according to the invention, dynamic collaborative optimization of wind storage power is realized, and energy storage cycle loss and response deviation can be reduced.
Owner:CHINA RESOURCES NEW ENERGY (FAKU) CO LTD

File semantic parsing method based on deep layout reconstruction and dynamic template constraint

PendingCN121882049Astable supportEnable continuous reconstructionSemantic analysisDocument transformationEngineering
The invention relates to the technical field of artificial intelligence, and particularly discloses a file semantic analysis method based on deep layout reconstruction and dynamic template constraint, and the method comprises the following steps: obtaining an initial retrieval template and multiple source files, and converting the multiple source files into a standard PDF (Portable Document Format) file; extracting a plurality of page images from the standard PDF file, and identifying a target area from the plurality of page images; and extracting field name information corresponding to the dynamic keyword from the target area according to the dynamic keyword in the initial retrieval template, and adding the corresponding field name information to a to-be-filled area corresponding to the dynamic keyword in the initial retrieval template to generate a final retrieval template. According to the method, the file information extraction process can be converted into an intelligent processing mode cooperatively driven by structured analysis and the semantic model from a mode depending on artificial experience and fixed rules, so that the information extraction stability, the template reuse capability and the consistency and reliability of engineering application under the complex file condition are improved.
Owner:元始智能科技(南通)有限公司

Focus motor and camera module

ActiveCN224471891UAvoid insufficient directional componentsEasy to installCamera moduleMechanical engineering
The application provides a focusing motor and a camera module. The focusing motor comprises a fixed part, a moving part, a focusing assembly, a magnetic attraction sensing part, a guide part and a position sensor. The fixed part comprises a first support arm and a second support arm connected with each other, and a light passage hole formed between the first support arm and the second support arm. The moving part is arranged in the light passage hole and can move in a preset direction. The magnetic attraction sensing part is arranged in the moving part. The angle between the magnetization direction of the magnetic attraction sensing part and the first direction and the second direction perpendicular to the preset direction is an acute angle. The guide part is arranged on the first support arm and corresponds to the magnetic attraction sensing part. The position sensor is arranged on the second support arm and corresponds to the magnetic attraction sensing part. The position sensor can generate an induction force with the magnetic attraction sensing part, so that the position sensor can sense the moving position of the moving part. The focusing motor can significantly reduce the size of the focusing motor, and can guarantee the guiding stability and the position detection precision required by the automatic focusing function while realizing the miniaturization of the camera module.
Owner:NANCHANG OFILM HUAGUANG TECH CO LTD

Positioning tool for paperboard slotting

ActiveCN224074487UConvenient positioning adjustment functionEasy to fixMetal working apparatusClassical mechanicsPaperboard
The utility model belongs to the field of paperboards, and particularly relates to a positioning tool for paperboard slotting, which comprises two mounting seats, two guide rods are fixedly mounted between the two mounting seats, two adjusting seats are sleeved on the two guide rods in a sliding manner, and positioning plates for paperboard positioning are fixedly mounted on the sides, close to each other, of the two adjusting seats; a first threaded hole is formed in the rear side of the adjusting seat, a locking screw is installed in the first threaded hole in a threaded mode and matched with the guide rods, a rotary knob is fixedly installed at the rear end of the locking screw, two fixing seats are fixedly installed on the two guide rods, and positioning seats are installed on the front sides of the fixing seats. A locking mechanism is arranged between the positioning seat and the fixing seat, an adjusting plate is installed on the top of the positioning seat, and an adjusting mechanism is arranged between the adjusting plate and the fixing seat. The paperboard positioning tool is reasonable in design, the purpose of positioning different paperboards can be achieved through adjustment and fixation of the positioning plate, the positioning base and the idler wheels, and therefore the applicability of the positioning tool can be improved.
Owner:大章新材料(石家庄)有限公司

Non-washing cutting-resistant elastic fabric belt

ActiveCN224591231Uact as a restrictionprevent movement
The utility model discloses a kind of limit elastic fabric belt of anti-cutting meat free washing, including at least one elastic band and limit band body;The limit band body is integrally woven with the elastic band and is formed, and it is jointly constituted the limit elastic fabric belt;The elasticity of the limit band body is less than the elasticity of the elastic band, so that the limit band body can limit the stretching range of the elastic band;The utility model is formed by weaving by the combination of elastic band and limit band body by being designed as limit fabric belt, utilize the phased action of elasticity, when small amplitude activity, by the soft adhesion of elastic cloth, ensure comfort, when large amplitude movement leads to stretch more than preset threshold, limit band body plays the role of restriction, prevent underwear and other close-fitting clothes from running position due to excessive stretching, improve the stability and support effect of wearing.
Owner:GUANGDONG SHENGYI IND CO LTD

Anti-deviation bracket for centralized transfer of cast steel parts after production

This utility model discloses a centralized transfer bracket for anti-displacement cast steel parts after production. It includes a base plate, with lifting plates fixedly connected to both sides of the base plate surface. A buffer assembly is installed on one side of the base plate's interior, and a support assembly is installed on the other side. The buffer assembly prevents the box containing the cast steel parts from bumping or knocking, while the support assembly supports the device. Through the design of the base plate, lifting plates, buffer assembly, and support assembly, when the surface of the support assembly is subjected to pressure during use, the support structure within the support assembly automatically opens to support the device. When not in use, it automatically retracts. Simultaneously, the buffer assembly also cushions the box containing the cast steel parts, preventing the box from slipping and damaging the cast steel parts during transport. This achieves the effect of reducing the space occupied by the bracket and preventing damage to the cast steel parts.
Owner:JINING YUNHE MASCH CO LTD

Adaptive height adjustable support and adaptive height adjustable sleep health care pillow comprising the same

This invention belongs to the field of health pillow technology, and specifically provides an adaptive height-adjustable support frame and the adaptive height-adjustable sleep health pillow constructed therefrom. The support frame includes a base plate, a compensation edge plate, and a support panel. These three plates form an approximate "Z" structure under the action of a reset elastic element and a hinge element. The support panel is configured as a support surface that can switch between an inclined position and a flat position relative to the base plate. The health pillow includes a pillow cushion, a pillowcase, and the aforementioned support frame. The pillow cushion is installed on the support panel of the support frame, and the pillowcase is placed over the pillow cushion and the support frame. This health pillow structure can not only automatically adjust its vertical displacement according to the pressure of the head and neck, but also adaptively adjust the support surface according to the sleeping posture to ensure that it is continuously and closely fitted to the physiological curve of the human head and neck, improving the support force for the neck and head, maintaining the physiological curvature of the neck, and relieving shoulder and neck pain with long-term use, reducing the probability of stiff neck, neck fatigue, and chronic strain.
Owner:乐新芳

Hydraulic template for top plate

The invention provides a top plate hydraulic formwork, and relates to the field of highway pipe gallery engineering, the top plate hydraulic formwork comprises a frame, a cross beam is fixedly connected to the inner side of the frame, a servo motor is fixedly connected in the cross beam, a linkage gear A is coaxially connected to the top of a rotating shaft of the servo motor, a hydraulic cylinder A is fixedly connected to the top of the frame, and limiting rods are slidably connected to the left and right sides of the top of the frame; a top supporting plate is fixedly connected to the top of the telescopic portion of the hydraulic cylinder A, the bottom of the top supporting plate is fixedly connected with the top of the limiting rod, side supporting plates are arranged on the left side and the right side of the frame, the side vertical faces of the side supporting plates are fixedly connected with the limiting rod, and a motor is fixedly connected to the bottom of the top supporting plate. And the top of the concrete top plate can be extruded, the top face of the concrete top plate can be flattened and shaped, the concrete top plate can be conveniently flattened and shaped, and the problem that an existing formwork cannot conveniently conduct automatic and convenient flattening and shaping on the concrete top plate is solved.
Owner:王剑

Portable air purifier

The utility model discloses a portable air purifier, which relates to the technical field of air purification and comprises a purifier top seat, the top of the purifier top seat is fixedly connected with a support, the bottom of the purifier top seat is provided with a plurality of filter screen cylinders, and the bottoms of the filter screen cylinders are in threaded connection with a base. The clamping seat at the bottom of the top seat of the purifier can be directly assembled with the threaded seat on the base in a threaded mode, at the moment, the overall size becomes very small, carrying is convenient, when the purifier needs to be used, after the top seat and the base of the purifier are disassembled in a threaded mode, the number of the filter screen cylinders can be taken out according to needs, and the filter screen cylinders are assembled; after the multiple filter screen cylinders are spliced, the filtering area of the folding filter screen is increased, meanwhile, the filter screen cylinders are convenient to replace, and a stable triangular state is formed by the telescopic rod and one corner of the base and the table top for supporting; the device can purify air and adjust the angle at the same time to achieve the effect of blowing and cooling as a desktop fan in hot weather.
Owner:ZHEJIANG SHANGPIN MECHANICAL & ELECTRICAL ENG CO

Bottom supporting device of digital television

The invention discloses a bottom supporting device of a digital television, and relates to the technical field of digital television supporting equipment, the bottom supporting device comprises the digital television, and the bottom of the digital television is provided with a supporting piece; the supporting piece comprises a control table, the control table is located in the center of the lower portion of the digital television, adjusting strips are symmetrically connected to the two sides of the control table through adjusting pieces, the bottom of the digital television is aligned to the supporting piece, the adjusting strips are pulled, and angle blocks fixedly connected to the two ends of the two adjusting strips abut against the two sides of the digital television in a limited mode. The adjusting strip and the angle block move back under the resilience force of the spring to fix and limit the digital television, the digital televisions of different sizes can be effectively supported and fixed by adopting the mode, and after the digital televisions are limited and fixed by adopting the mode, the digital televisions can be conveniently fixed. The threaded connection block just faces a threaded installation hole, corresponding to the threaded connection block, in the digital television, installation of the digital television is facilitated, adaptability is wide, and the digital television is more practical.
Owner:MEISHIFU (ZHONGSHAN) IND TECH CO LTD

Temporary protection device for prefabricated stair

This invention belongs to the field of construction equipment technology, specifically a temporary protective device for prefabricated stairs. It includes multiple support frames installed along the stair treads, each connected to a fixing mechanism for securely attaching to the stairs. Support columns are rotatably connected to the support frames via a pivot A, allowing the columns to rotate around the pivot A from a position perpendicular to the stair treads towards the outside of the treads. This invention can adapt to prefabricated stairs with varying degrees of inclination. The clamps, in conjunction with the bottom of the support frames, effectively fix the stairs without drilling, providing effective support for the columns. This reduces interference from the support columns during the handling of large items, lowers the difficulty of moving large items on stairs, effectively reduces damage to the railings from external impacts, forms a secondary buffer, improves the cushioning effect, and extends the lifespan of the equipment.
Owner:BEIJING MUNICIPAL CONSTR

A gear radial runout detection device

ActiveCN224455664UThe installation location is clearEasy to installGear wheelClassical mechanics
This utility model relates to a gear radial runout detection device, comprising: a base with a test space provided on the base; a radial runout drive mechanism movably mounted on the base, the output end of which extends into the test space and is equipped with a drive gear; a positioning shaft assembly movably mounted on the base for mounting the gear to be tested within the test space; an adjustment mechanism mounted on the base and connected to the radial runout drive mechanism for adjusting the position of the radial runout drive mechanism on the base to engage the drive gear with the gear to be tested; and a detection mechanism located on the side of the base, including a bracket and an adjustable dial indicator mounted on the bracket, the dial indicator's detection head abutting the tooth surface of the gear to be tested. The radial runout drive mechanism of this utility model drives the rotation of the drive gear, causing the gear to be tested, which is meshed with it, to rotate synchronously, simulating the actual working state of the gear to be tested and ensuring the accuracy of the radial runout detection results.
Owner:HUIZHOU LIDE ELECTRONICS CO LTD

A jack support device for metal scrap cake press jam processing

ActiveCN224691733Ustable supportMake sure the lifting force is vertical
The utility model discloses a metal scrap press cake machine card material processing uses the jack support device belongs to the press cake machine technical field, aims at solving the problem of the jack difficultly stable placement in the hydraulic cavity, low processing efficiency and hidden danger when the press cake machine card material. The device includes the cushion block, and its bottom is attached to the inner wall of the material container, and the top is the plane, and the arc locating plate is fixedly connected to the top of the cushion block, and the center of the locating plate is coincident with the center of the top of the cushion block, and the adjusting handle is connected to the outside of the locating plate, and the lifting handle is connected to the side of the cushion block. The device can stably support and position the jack, improve the card material processing efficiency, eliminate the hidden danger, and the light weight, good portability.
Owner:LIAONING JIHEYUAN RENEWABLE RESOURCES CO LTD

A type of stable concrete utility pole

ActiveCN224621226Ustable support
This utility model discloses a concrete utility pole with good stability, including a pole body, a reinforcing base, and a base surrounding the pole body to strengthen its support. The base includes a base plate, strip plates, a two-way screw, a column, an adjusting plate, a first ring bracket, a buried pole, and a second ring bracket. The top of the base plate has a groove through which two symmetrical strip plates slide. A two-way screw drives the two strip plates to slide. A column is vertically fixed to the top of the strip plates, and the first ring bracket is fixedly installed on the inner side of the column. An adjusting plate is telescopically connected to the top of the column, and a second ring bracket is fixedly installed on the inner side of the adjusting plate. A pole perforation is located at the center of the base plate, and the two first and second ring brackets are symmetrically arranged about the axis of the pole perforation. A buried pole is installed on the base plate for positioning it. This new utility pole exhibits reliably enhanced stability.
Owner:JILIN WEIHENG CEMENT PRODUCTS CO LTD

Integrated damper mount and train bogie

The utility model relates to the technical field of railway vehicles, disclose integrated shock absorber mounting seat and train bogie, this integrated shock absorber mounting seat includes riser, fixed plate and support component, the riser is opened with the plug groove and mounting hole, the fixed plate is fixedly plugged in the plug groove, can be fixed relative to the riser under the action of plug groove, and the connection is stable, the fixed plate is opened with the connecting hole, first buckling plate and second buckling plate are located at both sides of fixed plate respectively and are fixedly connected in the edge of riser, first buckling plate is butt joint in the first end surface of fixed plate, second buckling plate is butt joint in the second end surface of fixed plate, further improve the stability of fixed plate relative to the riser connection, not easy to break, and the supporting is strong, realized the integration installation of anti-snake oil pressure shock absorber and two vertical oil pressure shock absorber, compact structure, optimize the installation space to the realization of anti-lateral roll torsion bar through the frame crossbeam can be realized, improve the installation reliability of anti-lateral roll torsion bar.
Owner:CRRC DALIAN CO LTD

Sealing performance detection equipment for injection molding barrel production

The utility model discloses sealing performance detection equipment for injection molding barrel production. The sealing performance detection equipment comprises a bottom plate, a controller, a pick-and-place transfer mechanism, a supporting mechanism and a sealing performance detection mechanism, wherein the controller is mounted on the bottom plate; the pick-and-place transfer mechanism, the supporting mechanism and the sealing performance detection mechanism are arranged on the bottom plate. Through cooperation of the first electric push rod, the first connecting slide rod, the supporting top plate and the first distance sensor, the supporting top plate abuts against the rotating disc, so that the stable supporting force of the rotating disc is increased, and the rotating disc is prevented from being broken in the detection process.
Owner:JIANGXI PLASTIC RES TECH CO LTD

A two-component pu / sis injectable hydrogel material and a preparation method thereof

ActiveCN121313939BHigh mechanical strengthEnhance resistance to enzymatic hydrolysisProsthesis
This invention discloses a two-component PU / SIS injectable hydrogel material and its preparation method. The preparation method includes the following steps: S1. Preparing an isocyanate-terminated aqueous polyurethane prepolymer solution; S2. Preparing an aminated SIS porous microsphere suspension; S3. Dispensing component A and component B into a dual-syringe or parallel syringe, and sterilizing them to obtain the two-component PU / SIS injectable hydrogel material. The two-component PU / SIS injectable hydrogel material prepared by this invention can be conveniently injected subcutaneously or deeply using a standard syringe, and can rapidly form a stable gel with excellent mechanical support and degradation resistance in situ. It can meet the requirements of an ideal soft tissue filler material and is expected to further broaden the application of SIS in medical aesthetic soft tissue filling and repair.
Owner:SHENZHEN CHUANGKEMEI BIOTECHNOLOGY CO LTD

Alloy weld solidification cracking prediction method and system

PendingCN122286035AHigh precisionReduce the risk of service fatigue failureAlloyData prediction
This invention belongs to the field of data prediction technology, and provides a method and system for predicting solidification cracks in alloy welding. The method includes: acquiring the thermophysical parameters, scanning speed, and horizontal and vertical distances from the solidification point to the welding point of the alloy to be tested; calculating the theoretical angle between the scanning speed direction and the normal to the fusion line based on the horizontal and vertical distances from the solidification point to the welding point; establishing a continuous growth limiting factor calculation model based on the thermophysical parameters, scanning speed, and theoretical angle, and determining the derivative expression model between the solid-liquid interface temperature and the square root of the solid fraction; establishing a crack sensitivity index calculation model based on the continuous growth limiting factor calculation model and the derivative expression model; converting the crack sensitivity index calculation model into a data curve, and obtaining the welding solidification crack prediction result based on the data change characteristics of the target segment in the data curve. This scheme has a simple calculation process, strong engineering applicability, and improves the accuracy of solidification crack prediction.
Owner:ZHEJIANG OCEAN UNIV

An artificial intelligence-based vehicle pseudonym replacement method

The present application relates to the technical field of vehicle pseudonym replacement, and particularly relates to a vehicle pseudonym replacement method based on artificial intelligence, which comprises the following steps: determining whether pseudonym replacement is needed according to a replacement time interval value or performing secondary determination based on a quantity ratio reference value and a communication characteristic value; determining a target area type according to a to-be-replaced vehicle distribution reference value and a replacement allowance, and determining whether to directly perform pseudonym replacement or perform combined analysis according to the target area type; in the combined analysis, determining a related vehicle combination based on a position synchronization degree or an interaction reference value according to a vehicle analysis coefficient, determining whether to perform sequential setting of a virtual vehicle based on a quantity difference value or setting a virtual vehicle based on a historical attack frequency of a sub-area, and performing pseudonym replacement on to-be-replaced vehicles and virtual vehicles in the related vehicle combination. The present application can reduce the risk of vehicle location privacy leakage.
Owner:BEIJING UNIV OF TECH

A surface acoustic wave filter

This invention provides a surface acoustic wave (SAW) filter, comprising a piezoelectric layer and interdigitated electrodes. The interdigitated electrodes are disposed on the piezoelectric layer and include at least a first metal layer and a second metal layer stacked together. The first metal layer is made of platinum or an alloy with platinum as the main component, and the second metal layer is made of aluminum or an alloy with aluminum as the main component. By setting the material of the second metal layer to aluminum or an alloy with aluminum as the main component, the uniformity of metal coverage of the electrode structure can be effectively improved, avoiding excessive local resistance or structural defects caused by poor coverage. Setting the material of the first metal layer to platinum or an alloy with platinum as the main component provides reliable support for the second metal layer, reducing the risk of deformation or corrosion of the aluminum layer in subsequent processes. By using a stacked structure of two complementary materials for the interdigitated electrodes, both structural miniaturization and improved overall electrical performance and structural reliability of the interdigitated electrodes are achieved.
Owner:NINGBO SEMICON INT CORP