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Automatic auditing business process control method based on rule optimization
ActiveCN119476750Aincrease flexibilityImprove adaptabilityForecastingArtificial lifeExecution planDynamical optimization
The invention discloses an automatic auditing business process control method based on rule optimization. The method comprises the following steps: S1, generating a unified auditing data pool; s2, constructing a multi-layer rule engine, and generating an initial rule set; s3, initializing an improved bee colony optimization algorithm, and dynamically defining a search space of a population; s4, dynamically optimizing the initial rule set by using an improved bee colony optimization algorithm, adjusting a single rule parameter in a search space in a worker bee stage, selecting an optimal rule direction in an observation bee stage, and introducing collaborative bees to optimize conflicts among multiple rules, and re-initializing a low-diversity population in a reconnaissance bee stage, and generating an optimized rule set; s5, generating a rule execution plan, adjusting the node priority of the auditing process and optimizing a task path; and S6, realizing continuous optimization iteration of the rule set and the audit process path based on implementation feedback of the rule execution plan. According to the invention, the multi-layer rule engine and the improved bee colony optimization algorithm realize automatic auditing business process control.
Owner:ANHUI YUNCHANG DATA TECH CO LTD
Rigid connection joint of square steel pipe column and reinforced concrete column
ActiveCN222513255Uefficient deliveryAddress usability issuesBuilding constructionsReinforced concrete columnArchitectural engineering
The utility model belongs to the field of building structures, and provides a rigid connection node of a square steel pipe column and a reinforced concrete column, which comprises an embedded steel plate, cross-shaped steel and a plurality of anchor bars, the cross-shaped steel and the anchor bars are both pre-buried in a reinforced concrete column, the pre-buried steel plate is fixedly arranged on the top of the reinforced concrete column, the cross-shaped steel and the anchor bars are both located below the pre-buried steel plate, and the top ends of the cross-shaped steel and the top ends of the anchor bars are both fixed to the pre-buried steel plate. And the embedded steel plate is fixed with the square steel pipe column. The rigid connection node can effectively solve the problem that when the size of the square steel pipe column on the upper portion is close to the size of the reinforced concrete column on the lower portion, a traditional embedded type or outer wrapping type method is not suitable, rigid connection between the square steel pipe column and the reinforced concrete column can be achieved, column bottom bending moment, axial force and shearing force of the square steel pipe column can be effectively transmitted, stress is reasonable, and the service life of the square steel pipe column is prolonged. Installation is convenient, and enough rigidity is achieved.
Owner:CITIC GENERAL INST OF ARCHITECTURAL DESIGN & RES
LiDAR point cloud precision enhancement method based on POS trajectory correction
PendingCN119620097AAddress usability issuesresolve accuracyNavigational calculation instrumentsNavigation by speed/acceleration measurementsTime informationPoint cloud
The invention relates to a LiDAR point cloud precision enhancement method based on POS trajectory correction, and the method comprises the steps: laying a target control point, and obtaining data; fusing the base station GNSS data, the mobile station GNSS data and the inertial navigation measurement data to obtain an initial POS trajectory; importing actual measurement coordinates of a target control point on the basis of the laser scanning data and the initial POS trajectory, and fusing nearby point clouds to obtain pre-fused point clouds; matching and fitting to obtain a fitting center point; searching the nearest point cloud, and interpolating the time of the fitting center point according to the GPS time information; and correcting the initial POS trajectory according to the actually measured coordinates of the two target control points obtained at the same time and the coordinates of the point cloud target, and performing secondary fusion with the laser scanning data to obtain result data. According to the method, the automatic target matching and center point fitting algorithm is adopted, the error introduction of manual target point selection is reduced, the strict requirement for field data acquisition is reduced, and the working efficiency is improved.
Owner:CHINA RAILWAY FIRST SURVEY & DESIGN INST GRP
Fluid-solid-sound coupling calculation method for time domain analysis based on OpenFOAM platform
PendingCN119670486Aincrease flexibilityGuaranteed uniformitySustainable transportationDesign optimisation/simulationTime domainTopology information
The invention discloses a fluid-solid-sound coupling calculation method based on time domain analysis of an OpenFOAM platform. The fluid-solid-sound coupling calculation method comprises the following steps: decomposing a compressible fluid variable into an incompressible fluid variable and an acoustic pulsation quantity; deducing an acoustic control equation of a flow sound decomposition method under the dynamic grid; discretizing the acoustic control equation by adopting a finite volume method; applying an incompressible flow field boundary condition and an acoustic boundary condition; adopting an OpenFOAM dynamic grid technology to obtain grid information topological information and motion information; a PISO-SIMPLE merging algorithm is adopted to decouple the acoustic control equation; and solving the decoupled acoustic control equation to obtain sound pressure distribution so as to realize fluid-structure interaction vibration noise characteristic analysis. According to the method, the technologies of variable decomposition, fluid-solid coupling and dynamic grids are utilized, far-field linear hypothesis is avoided, acoustic forecasting of far and near fields is guaranteed, meanwhile, the calculation cost is saved, and the analysis efficiency is improved.
Owner:HARBIN ENG UNIV
Foldable double-layer circuit board
ActiveCN222621279Uimprove space utilizationaddress flexibilityPrinted circuits structural associationsStructural engineeringMechanical engineering
Owner:ZHUHAI ZHONGJIE ELECTRONIC TECH CO LTD
Screening method of vein quartz type high-purity quartz for photovoltaic crucible and application of screening method
InactiveCN119534809AAddress usability issuesreduce wasteMaterial analysis using wave/particle radiationEarth material testingCruciblePhysical chemistry
The invention provides a screening method of vein quartz type high-purity quartz for a photovoltaic crucible and application of the screening method, and relates to the technical field of high-purity quartz. When no associated mineral exists in mineral composition through analysis, the mineral composition is graded as a class; when the minerals are analyzed to be disseminated as independent quartz crystal grains, grading the minerals as a class; when the microscopic morphology is analyzed to be that quartz crystal grains are transparent and do not have inclusions and associated minerals, rating the quartz crystal grains to be a type; when the purity of the analytical chemical components is greater than or equal to 99.995% and the impurities mainly comprise Al, K and Na, rating the impurities as a class; when (Fe < 3 + > + Al < 3 + > + B < 3 + >) / (K < + > + Na < + > + Li < + > + P < 5 + >) in lattice impurities is analyzed to be between 1 and 3, grading the lattice impurities as a class; if the number of the class a rating is not less than 4, the high-purity quartz can be used as the photovoltaic crucible raw material, otherwise, the high-purity quartz cannot be used as the photovoltaic crucible raw material. The method solves the problems that the evaluation and screening standards of the high-purity quartz sand are different, and the applicability is verified by excessively depending on crucible testing.
Owner:CHINA RESOURCES CEMENT TECH RES DEV +1
Leading edge bulge crack prediction method, system, device and readable storage medium
PendingCN122240969AAvoid missed alarm problemsAvoid false alarmsMeasurement devicesDigital data processing detailsDisaster monitoringClassical mechanics
A method, system, device, and readable storage medium for predicting leading-edge bulging cracks are disclosed, relating to the field of geological disaster monitoring and early warning. Specifically, the method includes determining the active thrust of the landslide on the leading edge based on the landslide mass weight, sliding surface dip angle, seepage hydrodynamics, and additional thrust, wherein the additional thrust is generated by external dynamic disturbance. When the detected active thrust is not less than the passive earth pressure limit, the target vertical bulging displacement is determined based on horizontal shear displacement, maximum dilatation angle, geometric correction factor for shear zone thickness, hydraulic correction factor, initial effective stress, real-time effective stress, and dilatation angle stress sensitivity factor. The predicted leading-edge bulging crack result is determined based on the target vertical bulging displacement and the predicted vertical bulging displacement. This application can improve the accuracy and applicability of leading-edge bulging crack prediction.
Owner:SANXIA JINSHAJIANG YUNCHUAN HYDROPOWER DEV CO LTD +1
A rehabilitation training device for diabetic sarcopenia patients
PendingCN122643650AImprove adaptabilityAddress usability issuesGlucose sensorsPhysical medicine and rehabilitation
The application discloses a kind of diabetic sarcopenia patient rehabilitation training device, including fixed module, training module, blood glucose monitoring module and controller.Fixed module is detachably installed at the tail of sickbed;Training module includes two side-by-side guiding carriages and the footrest slider sliding along it, the angle of guiding carriage is adjustable and is equipped with electromagnetic resistance adjusting mechanism, and the distance between two training modules is adjustable;Blood glucose monitoring module includes the abdominal belt wound on the abdomen of patient and the blood glucose sensor arranged on it;Controller is connected with each adjusting mechanism and blood glucose sensor respectively, and automatically adjusts the size of resistance according to blood glucose reading.The present application realizes the bedside lower limb rehabilitation training of bedridden patient, ensures the training safety through blood glucose-resistance intelligent linkage, and can adapt to the needs of patients of different body types and different rehabilitation stages.
Owner:THE SECOND AFFILIATED HOSPITAL TO NANCHANG UNIV
Color change recognition system based on hydrogen-sensitive color change film and leakage quantitative analysis method
PendingCN121877293AAchieve accurate quantitative analysisAchieving color change detection sensitivityDetection of fluid at leakage pointColor/spectral properties measurementsWavelet denoisingFeature extraction
The invention provides an intelligent identification system based on a hydrogen-sensitive color-changing film and a leakage quantification method, and belongs to the crossing field of intelligent sensing and computer vision. The system adopts a multispectral imaging and artificial intelligence algorithm, and realizes high-precision quantification of optical response of the thin film through a three-level architecture of acquisition, analysis and edge calculation. The core comprises a 450 / 530 / 650 nm LED light source, + / -0.1 DEG C temperature control, a multispectral imaging unit and an RK3568 + NPU embedded system, and algorithms cover wavelet noise reduction, 14-dimensional feature extraction and OfficientNet-B2 analysis. The advantages are that: delta E = 0.5 sensitivity, self-adaptive light compensation is + / -0.3%, and response is lt; and 50ms. Experiments show that the delta R / R of 10ppm hydrogen is larger than or equal to 5%, the uncertainty of the full scale is 1.8%, the temperature adapts to-30 DEG C to 85 DEG C, circulation is stable, and 128-node industrial monitoring is supported.
Owner:HARBIN UNIV OF SCI & TECH
An integrated circuit carrier tape separation mechanism
ActiveCN224277894Ureduce viscosityStable heat treatmentArticle unpackingTemperature controlDisplay device
This utility model belongs to the field of semiconductor processing equipment technology, specifically an integrated circuit carrier tape separation mechanism, including a housing. A display and a controller are fixedly connected to the front of the housing. Inside the housing, a frame, a connecting frame, and two temperature sensors are respectively arranged. Two sets of rotating rollers are rotatably connected to the inner wall of the frame. Two sets of electric heating tubes are arranged below the connecting frame. A connecting tube is fixedly connected to the upper surface of the housing. A sliding rod is arranged above the connecting frame. The outer surface of the sliding rod is slidably connected to the inner wall of the connecting tube. Two electric push rods are fixedly connected to the upper surface of the housing. Specifically, this utility model first forms a stable carrier tape conveying channel through the housing, rotating rollers, and frame. With the cooperation of temperature sensors, electric heating tubes, display, and controller, precise heating and temperature control are achieved during the stripping stage. At the same time, the electric push rods drive the connecting plate and the sliding rods to adjust the height of the connecting frame and the electric heating tubes, which can quickly adapt to different carrier tape specifications.
Owner:ANHUI CHUANGRUI ELECTRONICS CO LTD
Message processing method, network processing equipment and computer readable storage medium
PendingCN119603309AAddress usability issuesImprove applicabilityTransmissionComputer architectureEngineering
The invention relates to a message processing method, network processing equipment and a computer readable storage medium, and the method comprises the steps: carrying out the state matching of a first message from first communication equipment based on a first stateful pipeline, and obtaining a target message; based on a second stateful assembly line, state matching is carried out on the target message to obtain a second message, and the first stateful assembly line and the second stateful assembly line both comprise stateful processing units used for processing stateful messages; and sending the second message to the second communication equipment. The problem of poor applicability caused by processing stateful messages by a programmable forwarding surface based on a P4 programming language in related technologies is at least solved.
Owner:ZTE CORP
Bedside trolley used for being matched with medical imaging equipment for use, assembly and interstitial substance thermal therapy system
ActiveCN224206894UAccurate and stable positioningGuaranteed accuracySurgical furnitureMedical imagingApparatus instruments
The utility model provides a bedside trolley used in cooperation with medical imaging equipment, an assembly and an interstitial substance thermal therapy system, and relates to the technical field of medical instruments, and the medical imaging equipment comprises a movable patient platform used for bearing a patient and an acquisition tunnel used for acquiring medical information of the patient; the bedside trolley is used for being detachably connected to the movable patient platform, and the bedside trolley is arranged to be capable of moving in the collection tunnel in a reciprocating mode along with the movable patient platform. The bedside trolley is provided with a position adjusting device which is used for installing and supporting a medical instrument and can adjust the relative position of the medical instrument and a patient on the movable patient platform. The effect that the applicability of the medical apparatus can be improved when the movable patient platform is not provided with a special position for fixing the medical apparatus is achieved.
Owner:SINOVATION (BEIJING) MEDICAL TECHNOLOGY CO LTD
GPRS (General Packet Radio Service) data retransmission method of special mobile terminal for railway
PendingCN119496586AImprove reliabilityImprove efficiencyError preventionConnection managementGeneral Packet Radio ServiceEngineering
The invention discloses a GPRS (General Packet Radio Service) data retransmission method of a special mobile terminal for a railway, which enhances the reliability of railway communication. The method comprises the following steps that: an LLC entity receives and stores user data, and initializes retransmission times and validity period parameters at the same time; the RLC / MAC entity applies to establish an uplink TBF connection to send data; if the TBF connection fails, the RLC / MAC entity informs the LLC entity of the result; and the LLC entity determines whether to retransmit the data according to the sending result of the user data, the retransmission times and the validity period parameter. If the data transmission fails and is in the validity period, the LLC entity increases the retransmission times and retransmits the data; otherwise, clearing the data and resetting the parameters. According to the method, the sending failure is responded in time, so that the reset of the mobile terminal caused by continuous data loss is avoided, the safety and on-time arrival of a train are ensured, and the efficiency and reliability of railway special mobile communication are remarkably improved.
Owner:SHENZHEN SED WIRELESS COMM TECH
A kind of dark excavation tunnel support structure
The embodiment of the present application provides a dark-excavated tunnel support structure, which relates to the field of tunnel engineering and is used to solve the problems of poor rigidity and poor adaptability of dark-excavated tunnel support structures. The dark-excavated tunnel support structure includes a box assembly, which includes at least one box structure, the box structure extends along the circumference of the tunnel, and an excavation channel is formed on the box structure, and the excavation channel runs through two opposite side walls of the box structure along the extension direction of the tunnel. The box structure is used to be installed at the rear of multiple jacking machines arranged along the circumference of the tunnel, and the outer contour of the box structure in the extension direction of the tunnel is located within the total excavation contour. During the excavation process of multiple jacking machines, the box structure moves forward synchronously with the multiple jacking machines, providing forward thrust for the excavation of the jacking machines, and finally supports the holes excavated by the multiple jacking machines to form the lining of the tunnel. The dark-excavated tunnel support structure is used to ensure the construction safety, construction settlement and service life reliability of large-span dark-excavated tunnels.
Owner:CHINA RAILWAY SIYUAN SURVEY & DESIGN GRP CO LTD
Characteristic weighting and model fusion-based electricity purchase quantity prediction method and system
PendingCN119623755Aeasy to identifyAddress usability issuesEnsemble learningForecastingData setWeight adjustment
The invention discloses an electricity purchase quantity prediction method and system based on feature weighting and model fusion. The method comprises the following steps: acquiring historical day-degree electricity quantity data, day-degree weather data, user information and calendar information; all the obtained data are preprocessed; key features are extracted from the preprocessed data; performing dynamic weighting on all key features by adopting a feature weight adjustment mechanism to form a training data set; adopting a Stacking model fusion technology, and utilizing the training data set to carry out fusion training on the multiple basic prediction models to obtain an electricity purchase quantity prediction model; and predicting future electric quantity by using the electric quantity purchase prediction model, and evaluating a prediction result. According to the method, multiple factors can be comprehensively considered, the accuracy and stability of prediction are kept in a complex environment, and the generalization ability is high.
Owner:NARI TECH CO LTD +1
A formula for solving the instant protein powder
The present application relates to the technical field of protein powder processing, and discloses a formula for solving instant protein powder. The formula comprises the following components in parts by weight: 70-100 parts of protein base, 2-10 parts of trehalose, 0.5-3 parts of triethyl citrate, and 0.1-1 parts of silicon dioxide. The preparation method adopts a technical route combining controllable enzymolysis, heat preservation and standing, and three-stage temperature control spray drying: first, controllable enzymolysis is used to make the degree of hydrolysis of the protein base reach 7-10%, generating enzymolysis peptide segments; then, after cooling, trehalose and triethyl citrate are added, and nano particles with a particle size of 50-110 nm are formed by heat preservation and standing; finally, three-stage temperature control spray drying is used to obtain instant protein powder particles. The present application forms a protective layer by generating small particles on the surface and inside of the protein particles, so that the protein powder can be quickly dispersed and dissolved in different media such as water, milk, and fruit juice, and can meet the requirements of multi-medium instant dissolution and stable suspension.
Owner:SHANGHAI JIAONA BIOMEDICAL TECHNOLOGY CO LTD
Waterproof structure for deformation joint of outer wall
ActiveCN119466164AAddress usability issuesreduce entryBuilding insulationsStructural engineeringMechanical engineering
The invention discloses an outer wall deformation joint waterproof structure, and relates to the technical field of deformation joint waterproofing. Comprising a first waterproof structure, a port piece and a second waterproof structure, the first waterproof structure comprises a bent plate, a wall attaching plate and a base plate, the bent plate is located between the wall attaching plate and the base plate, the middle of the bent plate is horizontally arranged, and the sides, connected with the wall attaching plate and the base plate, of the two sides of the middle of the bent plate are obliquely arranged; the base plate is horizontally fixed to the other side of the bent plate. Through the arrangement of the first waterproof structure, the second waterproof structure, the waterproof piece and the like, the waterproof structures are suitable for the situation that the base planes on the two sides of the deformation joint are not located on the same base plane, such as the position between the outer wall and the ground and the deposition crack of the outer wall, and the problem that a traditional structure needs the base planes on the two sides to be located on the same plane and is difficult to apply is solved; and the second waterproof structure can cover the first waterproof structure to form dual water protection.
Owner:BEIJING URBAN CONSTR GROUP
Annular rail type clamp conveyor
InactiveCN119460600AAddress usability issueseasy to replaceConveyor partsMechanical conveyorsClassical mechanicsStructural engineering
The invention provides an annular rail type clamp conveyor, and relates to the field of machinery. The annular rail type clamp conveyor comprises an annular frame, a placing groove is formed in the front face of the annular frame, a sleeve is connected into the placing groove in a clamped mode, an open groove is formed in the inner wall of the left side of the sleeve, an extrusion cover is movably connected into the open groove, and a through hole communicated with the interior of the sleeve is formed in the left side of the sleeve. According to the annular rail type clamp conveyor, through mutual cooperation of an open groove, an extrusion cover, a transverse rod, a first spring, a fixing block and a through hole, bottles with different diameters can be clamped, through mutual cooperation of a movable groove, a second spring, a shifting block, a plug pin and a fixing groove, sleeves with different specifications can be replaced, and the conveying efficiency is improved. Or the sleeve is convenient to replace after being damaged, and the problem that the applicability of the conveyor to corresponding products is reduced due to the fact that the clamp effect of an existing annular rail type clamp conveyor is only suitable for bottles of the same specification is solved.
Owner:HUIZHOU HUICHENG DISTRICT HAIXIANG HARDWARE PRODUCT PROCESSING FACTORY
Epoxy glue slow-binding agent with temperature control performance
PendingCN119505775AAddress usability issuesshorten the curing timeNon-macromolecular adhesive additivesMacromolecular adhesive additivesAdhesive cementTemperature control
The invention belongs to the technical field of epoxy adhesives, and particularly relates to an epoxy adhesive slow-binding agent with temperature control performance. The epoxy glue slow-binding agent is prepared from the following raw materials in parts by weight: 100 parts of epoxy resin; 60-80 parts of an organic phase change material; 40 to 60 parts of filler; 10-30 parts of a curing agent; 10 parts of a diluent; and 10 parts of carboxyl-terminated liquid nitrile rubber. According to the invention, the carboxyl-terminated liquid nitrile rubber is used as a flexibilizer to enhance the flexibility of the epoxy adhesive slow-adhesion agent, and the moisture latent curing agent and the organic phase change material are used, so that the pot life of the slow-adhesion agent can be prolonged and the curing period can be shortened by utilizing the heat storage and heat release of the phase change material; and the engineering requirements of long working life and short curing period of the retard-bonded prestressed tendon can be met.
Owner:EAST CHINA UNIV OF SCI & TECH
An adjustable communications device mounting bracket
The utility model discloses an adjustable communication equipment mounting support relates to communication equipment technical field, this adjustable communication equipment mounting support, including stand, the lower extreme of stand is provided with base, the lower surface welding of base has fixed bottom plate, the outside of stand is provided with adjusting assembly, and adjusting assembly is provided with a plurality of, and a plurality of adjusting assemblies are circular equidistance array distribution, adjusting assembly includes locating plate and adjusting plate, the side surface of locating plate is provided with adjusting groove, and adjusting plate moves along adjusting groove, the upper surface of one end of adjusting plate is provided with second bolt groove, the upper surface of locating plate is provided with sliding groove, the upper end of sliding groove is provided with second bolt, and this scheme has solved the problem that the existing communication equipment installation most fixed point installation is inconvenient to adjust and install according to actual environment, thereby causing the poor problem of installation applicability and flexibility.
Owner:GUANGZHOU YUHAODI COMMUNICATION TECHNOLOGY CO LTD
Low viscosity aniline polyether polyols, their preparation methods and applications
This invention belongs to the field of polyether polyol technology, specifically relating to low-viscosity aniline polyether polyol, its preparation method, and its application. The low-viscosity aniline polyether polyol has a viscosity below 10000 mPa·s, and its raw material components include 5-15 parts of o-toluene diamine, 10-35 parts of aniline compound, 0.05-0.3 parts of alkali metal catalyst, and 30-70 parts of epoxide alkane. The resulting low-viscosity aniline polyether polyol has even lower viscosity, resulting in better operability and applicability in product applications, and exhibits excellent thermal conductivity in the preparation of rigid polyurethane foam products. The preparation method is simple and convenient. The application of the low-viscosity aniline polyether polyol is in the preparation of rigid polyurethane foam.
Owner:SHANDONG INOV NEW MATERIALS CO LTD
A bag-opening mechanism for M-film and a bag-packing auxiliary device
This utility model relates to an M-film bag opening mechanism and a bag-packing auxiliary device. The M-film bag opening mechanism includes: a slide base; two sets of M-film bag opening modules slidably disposed on the slide base, the two sets of M-film bag opening modules moving towards each other; each M-film bag opening module includes a first bag opening retraction cylinder, a second bag opening retraction cylinder connected to the moving end of the first bag opening retraction cylinder, a bag-supporting cylinder assembly connected to the moving end of the second bag opening retraction cylinder and used to expand the M-film, and a bag-rubbing cylinder assembly connected to the body of the second bag opening retraction cylinder and used to rub open the inserted edge of the M-film; and a bag opening cylinder for driving the entire M-film bag opening module to move along the slide base. Compared with the prior art, this utility model has the advantages of being economical, hygienic, reliable, and efficient.
Owner:XINGTAI INTELLIGENT PACKAGING EQUIPMENT (KUNSHAN) CO LTD
Lightweight defect detection method and system for photovoltaic panel in Saggoke environment
PendingCN121937522AImprove environmental adaptabilityImprove efficiencyImage enhancementImage analysisSource imageData science
The invention discloses a photovoltaic panel lightweight defect detection method and a photovoltaic panel lightweight defect detection system in a Sagomean environment. The method comprises the following steps: constructing a special training data set through multi-source image acquisition and generative adversarial network data enhancement; yOLOv8n is taken as a reference architecture, a depth separable convolution is adopted to replace a standard convolution, and a CBAM attention module is embedded to realize model lightweight and feature focusing; the robustness and compression efficiency of the model are improved through adversarial training and channel pruning; and finally, deploying the optimization model to edge equipment to realize real-time detection. According to the method, the influence of environmental factors such as strong light interference and dust shielding is effectively overcome, efficient and accurate defect identification is realized on edge equipment, and reliable technical support is provided for intelligent operation and maintenance of a photovoltaic power station in the Saggob region.
Owner:INNER MONGOLIA UNIV OF TECH
A rack and pinion transmission gate valve
ActiveCN113775778BAddress usability issuesshorten the lengthOperating means/releasing devices for valvesSlide valveGear wheelClassical mechanics
The present invention discloses a gear rack transmission gate valve, comprising a valve plate body, the valve plate body comprising a first mounting portion and a second mounting portion, wherein an open slot is provided in the middle of the first mounting portion, and the open slot runs through the first mounting portion; a valve core assembly is also provided inside the valve plate body, and the valve core assembly comprises a drive frame, a sealing plate and a push rod; the drive frame comprises an upper mounting structure and a lower driving structure, and the mounting bracket is used to install the sealing plate; a driving tooth is provided on the lower driving structure; a driving device is also provided on the lower driving structure, and the driving device drives the valve core assembly through a gear shaft. The present invention solves the problem of the applicability of the slender gate valve under harsh installation space conditions. Through the transmission of the gear shaft and the driving tooth, the total length of the slender valve plate body is reduced by about one third, the valve structure is more compact, and the installation space requirement is smaller. The gear shaft and the driving tooth are closer to the center of the valve core assembly, and the movement of the valve core assembly is smoother.
Owner:SICHUAN JIUTIAN VACUUM TECH CO LTD