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River channel self-adaptive desilting system and method based on intelligent water level sensing
ActiveCN121956598AAccurately restore designed water passing capacityImprove the accuracy of dredging operationsWater resource protectionAdaptive controlSensing dataTerrain
The invention relates to the technical field of riverway desilting, in particular to a riverway self-adaptive desilting system and method based on intelligent water level perception, and the method is executed by a central control unit and comprises the four steps of model construction and benchmark calibration, real-time monitoring and siltation diagnosis, precise survey and operation planning and closed-loop execution and model synchronization. The system comprises a central control unit, a water level intelligent sensing array, terrain scanning equipment and dredging machinery, according to the method, the three-dimensional digital riverbed model is constructed, the sedimentation state is dynamically judged in combination with the water level sensing data, an accurate desilting operation scheme is generated, and operation closed-loop control is achieved. According to the method, navigation and ecological riverway dredging requirements are considered, the dredging precision and automation level are improved, the operation cost is reduced, intelligent transformation of riverway management is promoted, and an efficient solution is provided for long-acting treatment of the riverway.
Owner:FUJIAN UNIV OF TECH ENG DESIGN CO LTD +2
Double-bolt lock mechanism
ActiveCN119664185AImprove locking performancecompact structureAircraft accessoriesBuilding locksControl theoryRocker arm
The invention provides a double-bolt lock mechanism, and belongs to the field of aircraft cabin door locks, the double-bolt lock mechanism comprises a transmission mechanism, two bolt assemblies and a spring boosting assembly; wherein the transmission mechanism comprises a handle, a driving rocker arm, a driven rocker arm and a mounting seat, the mounting seat is fixedly mounted on the cabin door structure, the driving rocker arm and the driven rocker arm are pivoted on the mounting seat, the driving rocker arm is respectively pivoted with one plug pin assembly and the driven rocker arm, and the driven rocker arm is respectively pivoted with the driving rocker arm and the other plug pin assembly. The handle is fixedly connected with the driving rocker arm; the plug pin assembly comprises a plug pin support, a plug pin, a lock ring support and a lock ring, the plug pin support and the lock ring support are fixed to the cabin door structure, the lock ring is fixed to the lock ring support to form a plug pin limiting structure, and the plug pin is installed on the plug pin support and can slide relative to the plug pin support; the spring boosting assembly comprises a spring booster and a spring support, one end of the spring booster is hinged to the driving rocker arm, and the other end of the spring booster is hinged to the spring support.
Owner:XIAN AIRCRAFT DESIGN INST OF AVIATION IND OF CHINA
Hot indentation device for hollow plate
The utility model relates to a hollow plate hot mark pressing device which is suitable for the field of hollow plate processing. The device comprises a support, two hot-pressing rollers rotating relatively are arranged on the support, a plurality of protruding annular hot-pressing teeth are evenly distributed on the hot-pressing rollers in the radial direction, a hot-pressing mark channel is formed, a motor drives a chain to conduct transmission, continuous machining of the hollow plate is achieved, and efficiency is improved. The hot-pressing roller is hollow to form a heat-conducting oil cavity, the hollow rotating shaft serves as an oil inlet and outlet channel, heat-conducting oil is circularly heated under the action of the conveying pump, the temperature is maintained at 180-220 DEG C, and it is ensured that the indentation quality is stable. A protective shell is arranged at the top of the device, and a feeding port and a discharging port are provided with height-adjustable L-shaped pressing plates, so that the device is suitable for plates with different thicknesses. According to the device, by optimizing the structural design, efficient and accurate hot-pressing mark machining is achieved, the machining quality of the hollow plate is remarkably improved, the service life of the hollow plate is remarkably prolonged, the production cost is reduced, and good market application prospects are achieved.
Owner:QINGDAO TIANFULE PLASTIC CO LTD
Method for forming a composite rod and forming die therefor
The present application relates to the technical field of composite rod production, in particular to a composite rod forming method and a forming die thereof, the forming die comprises a soluble die, a core die and a positioning die; the soluble die is a tubular structure with an axial circular through hole, and the two ends of the soluble die are provided with slopes inclined to the axial direction, and the two ends of the two slopes are respectively provided with a limiting boss, and the two limiting bosses are respectively connected with a metal embedded part; the core die is a cylinder provided with fixing holes at both ends, the core die passes through the axial circular through hole of the soluble die, and the two ends of the core die extend to the outside of the soluble die, and the two ends of the core die are respectively provided with a first fixing hole penetrating through; the two ends of the soluble die are fixed with the core die through the positioning die; the manufacturing problem of the composite rod is solved, and the obtained composite rod has a smooth and flat outer surface, and is beautiful and practical.
Owner:WEIHAI GUANGWEI COMPOSITE MATERIALS TECH CO LTD
Method and equipment for bending and heating glass plates
PendingCN122562297AProcessing accuracy meets requirementsImprove local accuracy
This invention discloses a method and apparatus for bending and heating a glass plate. The method includes: dividing the glass plate into multiple forming control zones with different precision requirements; dividing the heating chamber of the furnace body into at least one heating forming zone; dividing the two heating zones into multiple heating zones; wherein, based on the distribution length of the first forming control zone in the length direction and the distribution width of the first forming control zone in the width direction of the glass plate, the areas of the two heating zones corresponding to the first forming control zone are evenly divided into multiple first heating zones; and the heating structure of each heating zone is controlled to heat and bend the glass plate. This invention can achieve precise control of the surface quality of the glass plate by zone, ensuring that the processing precision of each zone of the glass plate meets the requirements. While improving the local precision of the glass plate, it also ensures that the processing precision of each zone of the glass plate meets the requirements, thereby satisfying the functional requirements of the glass plate.
Owner:FUJIAN WANDA AUTOMOBILE GLASS IND
Vision control device, vision defect detection equipment and vision control method
The present application discloses a visual control device, a visual defect detection device and a visual control method. The visual control device of the present application can not only reduce the difficulty of assembling the light source module, the power module and the timing module, but also make the visual control device more flexible in expanding the light source module and the power module. Moreover, the real-time signal control and communication management of the visual control device are respectively realized through the FPGA control circuit and the communication management circuit, which effectively prevents the two sets of circuit signals from interfering with each other, and is conducive to improving the response speed of the visual control device and the compatibility when expanding the light source module. In addition, the timing module uses a communication bus and a trigger signal line to interact with at least one light source module and at least one power module respectively, which helps to meet the control requirements between multiple light source modules and power modules. In addition, the requirements for different visual control device functions in different application scenarios are met, and the change costs caused by changes in application scenarios are reduced.
Owner:ZHONGKE HUIYUAN VISUAL TECHNOLOGY (LUOYANG) CO LTD +1
Anti-vibration heat dissipation module of battery
PendingCN119674399AIncrease energy densityImprove cooling efficiencySecondary cellsCell component detailsElectrical batteryMechanical engineering
The invention relates to the field of batteries, in particular to a battery anti-vibration heat dissipation module which comprises a battery module box body serving as a carrier, the battery module box body is of a top opening structure, a detachable battery module end cover is arranged at the top of the battery module box body, and a heat dissipation device is arranged on the battery module end cover; the battery module box body comprises a box body inner layer wall and a box body outer layer wall, and an anti-vibration structure is arranged in an interlayer between the box body outer layer wall and the box body inner layer wall; a plurality of battery jars for placing batteries are arranged in the inner layer wall of the box body, and the adjacent battery jars are isolated by an anti-vibration isolation wall. According to the battery module structure designed by the invention, the internal space of the battery module box body can be fully utilized, and the energy density is improved; the energy-absorbing structure is simple in structure, good in energy-absorbing characteristic, superior to a conventional structure in vibration protection capability, high in heat dissipation efficiency and capable of meeting functional requirements in various environments.
Owner:NORTH CHINA ELECTRIC POWER UNIV
Snow surface overlay layering design method for ice structure bearing
This invention discloses a layered design method for snow surface overlay on ice-structured load-bearing structures, relating to the field of ice and snow engineering technology. The method includes the following steps: S1, determining the design constraints and performance indicators of the snow surface overlay based on target working conditions and environmental data; S2, obtaining the microstructural parameters of the snow material to be laid, including initial porosity, ice crystal size distribution, coordination number, and contact geometry. This invention establishes a cross-scale mechanical performance evolution model to accurately capture the microscopic mechanisms of ice crystal sintering, particle creep, and fatigue damage of snow material under long-term load and temperature, solving the problem of performance prediction deviations caused by the inability of existing macroscopic models to reflect microscopic evolution. By constructing a quantitative mapping relationship between microstructural parameters and macroscopic mechanical properties, combined with thermo-coupling load history simulation, accurate performance evolution data of the overlay can be obtained.
Owner:POLAR RES INST OF CHINA +2
A bathroom wall integrated panel integrating pipelines and functions
The utility model relates to a bathroom wall integrated board of integrated pipeline and function spare, through being equipped with bathing integrated module and circuit integrated module, when installing and layout of integrated board whole, can leave the suitable space on bathroom wall, then the main plate body is installed into bathroom, then the operator can pass through the access hole and connect the circuit line and water pipe outside with integrated pipeline and power transmission line in first partial casing and second partial casing, then further solidification connection between the main plate body whole and wall can be carried out and the preliminary decoration of bathroom can be quickly completed, compared with the technical scheme needing field wiring in the prior art, only need to produce the corresponding function module in advance, and the function module is installed into the main plate body in the field, and the function demand of bathroom can be satisfied, operation is more efficient and quick, and product quality is more easily controlled.
Owner:WUHAN DONGHU UNIV
A commercial vehicle firewall RF connector mounting device and vehicle
This utility model discloses a fixing device for a commercial vehicle firewall RF connector and a vehicle, including a fixing component one and a fixing component two. Both fixing components one and two are square box structures with an open top and an open front. Each square box structure has a rear limiting hole on its rear end wall for limiting the rear end of the RF connector. Fixing components one and two are detachably connected, and together they form at least one mounting cavity for accommodating and positioning the RF connector. This utility model, through the detachable connection design of fixing components one and two, combined with the open top and open front square box structure, not only achieves convenient assembly and disassembly of components but also significantly reduces the complexity of wire harness processing, while providing convenience for on-site assembly operations and effectively improving assembly efficiency.
Owner:XUZHOU XCMG AUTOMOTIVE TECHNOLOGY CO LTD
PHA material straw
The utility model discloses a PHA material straw which comprises an outer straw body, an inner straw body is in threaded connection with the interior of the upper end of the outer straw body, an upper connecting ring is arranged at the lower end of the outer straw body, a plurality of elastic petal pipes are connected to the lower end of the upper connecting ring, and a lower connecting ring is connected to the lower ends of the elastic petal pipes. The lower end of the lower connecting ring is provided with an inverted-cone-shaped puncture suction head, the upper side of the outer portion of the inner suction pipe is connected with a limiting ring, the upper end of the upper connecting ring is connected with a connecting sealing pipe, the connecting sealing pipe is inserted into the lower end of the outer suction pipe and tightly attached to the outer wall of the inner suction pipe, and the lower end of the inner suction pipe is internally connected with an upper connecting frame. Through threaded connection of the outer suction tube and the inner suction tube and deformation control of the elastic petal tubes, switching between the straight suction function and the filtering suction function is achieved, the elastic petal tubes are tightly attached to form a sealed connection straight tube during straight suction, the elastic petal tubes are bent to form filtering gaps during filtering suction, the structure is simple, and the functions are diversified.
Owner:LISHANG (GUANGZHOU) SUPPLY CHAIN MANAGEMENT CO LTD
Method for model management and reliability enhancement of ai-driven mobility prediction in wireless network
This invention discloses a model management and reliability enhancement method for AI-driven mobility prediction in wireless networks, belonging to the field of mobile communication network technology. The method includes: an offline phase, collecting historical data including UE measurement data; training and testing the AI model using a subset of data based on UE mobility level, functional requirements, and OW / PW step size; identifying the model's predictive performance and overhead; establishing a mapping relationship between model identifiers and network / UE side parameters; and selecting the optimal unique sub-model based on uploaded mobility speed and functional requirements; and an online phase, performing instance-level predictability evaluation of the AI model based on the local dataset before and after each model call, followed by model activation / deactivation determination. This invention improves the inference reliability and stability of the AI model deployed in the access network, offering advantages such as convenient implementation, low additional signaling overhead, and low engineering deployment cost, making it more suitable for widespread application in practical mobile communication systems.
Owner:BEIJING UNIV OF POSTS & TELECOMM
Transmitter with adaptive display function
The utility model belongs to industrial automation measurement and control equipment technical field discloses a kind of adaptive display function's transmitter, including motion monitoring sensor module, control chip, display screen and photoelectric key group.Motion monitoring sensor module can select MEMS gyroscope, accelerometer etc., for real-time detection transmitter X, Y, Z three-axis motion state and acceleration change.Control chip is communicated with display screen by I2C or SPI interface, after obtaining sensor signal, attitude is solved, and display screen display direction and photoelectric key group key value mapping are dynamically adjusted.Display screen is dot-matrix distributed liquid crystal or OLED screen, and it is symmetrical structure, ensure that different direction display content is consistent.Photoelectric key group has four groups of symmetrical distribution key, and it is connected with control chip I / O port by pull-up resistance, and consistent operation under different display direction is realized.The utility model solves the problem that integrated mass flowmeter installation direction is limited, improves product adaptability and operation convenience.
Owner:SHANGHAI YINUO INSTR
Curtain upper beam
ActiveCN224187464UEasy to installEasy to disassembleLight protection screensMechanical engineeringPhysics
Owner:ZHEJIANG YIANO SHADING TECH CO LTD
A step-type compactor for a small road with high support stability
The utility model belongs to road roller installation technical field relates to a small area road with higher support stability of ladder type road roller, including road roller body, the front and back end of road roller body all is equipped with the connecting frame, the inside of connecting frame is equipped with multiple groups of installation slot, the inside fixed connection of installation slot has the connecting column, the one end fixed connection of connecting column is away from connecting frame has the welding column, the both ends of connecting frame are provided with welding frame respectively, the inside of welding frame is equipped with a plurality of welding holes, the fixed connection of welding column is realized through the mode of welding after inserting welding hole, two welding frame away from the one end of connecting frame is installed in the both ends of road roller body compression roller subassembly. The utility model through first to the right welding frame and connecting frame, then insert the welding column, weld fixedly and check repair welding, improve the connection strength and welding efficiency greatly, guarantee equipment stability.
Owner:山东九山重工股份有限公司
Cable trench support capable of separating strong current from weak current and support system
ActiveCN224204739Uovercome weaknessSimple structureHydro energy generationCable installations in underground tubesSupporting systemWeak current
The utility model discloses a cable trench support capable of separating strong current from weak current, which comprises a cable trench and a stress rod, the bottom of the stress rod is fixedly connected with a bottom plate of the cable trench, a reinforcing rod is mounted between the lower part of the stress rod and a side wall of the cable trench, a plurality of cable supports are mounted on two sides of the upper part of the stress rod in a layered manner, and the cable supports are connected with the stress rod. The cable support on one side serves as a strong current line support, and the cable support on the other side serves as a weak current line support. The utility model has the advantages of simple structure, safety, reliability and clear stress, and is particularly suitable for cable trenches with steep slope surfaces, limited space and strong and weak current separation requirements.
Owner:POWERCHINA ZHONGNAN ENG
Urban lighting demand prediction method and system based on spatio-temporal graph neural network
This invention relates to the field of intelligent lighting technology and discloses a method and system for predicting urban lighting demand based on a spatiotemporal graph neural network. The system includes: a multi-source data perception and processing module, a spatiotemporal graph construction and feature learning module, a meta-learning adaptive prediction module, a lighting strategy optimization and execution module, and a model online update module. By integrating multi-source heterogeneous data from IoT terminals and urban management databases to construct a unified spatiotemporal dataset, and utilizing a spatiotemporal graph neural network to simultaneously learn the complex dependencies of different nodes in the city in the temporal and spatial dimensions, it can more comprehensively and accurately depict the formation and evolution of urban lighting demand, thereby improving the accuracy and reliability of predicting future lighting demand intensity and providing a basis for energy-saving regulation. By introducing a meta-learning strategy, the prediction model can utilize historical experience to adapt to new urban areas and time periods, solving the problem of insufficient generalization ability of the model in unfamiliar scenarios.
Owner:SHENZHEN DEWEI ELECTRIC TECH CO LTD
System model construction method and system simulation method for low earth orbit constellation system
ActiveCN116032396BMeet functional requirementsbuild accuratelyTransmission monitoringRadio transmissionInteraction designLow earth orbit
The application provides a low-orbit constellation system-oriented system model construction method and system simulation method, and belongs to the field of low-orbit constellation system simulation and performance evaluation.The construction method performs lightweight simulation modeling on functional entities of a space section, a ground section, an application section and an environment section, the model constructed by the space section comprises a constellation configuration model, an attitude and orbit control subsystem model and a satellite payload model, the ground section comprises a main gateway station model and a secondary gateway station model, a large-scale terminal model is constructed in the application section, the environment section comprises a satellite-ground microwave channel submodel and an inter-satellite laser channel submodel, and model interaction design is performed to form an integrated model architecture of satellite-ground integration.The application guarantees the modeling accuracy of functional entities, simultaneously meets the lightweight demand of simulation modeling, reduces the complexity of system modeling, balances the relationship between model accuracy and lightweight, and simulates, verifies and evaluates the correctness, rationality and effectiveness of the architecture design of the constellation system.
Owner:CHINA ACADEMY OF SPACE TECHNOLOGY
Handrail assembly and child carrier
The utility model discloses a handrail assembly and children carrier relates to children's appliance technical field, wherein, the handrail assembly includes handrail main part and is arranged at the both ends of handrail main part handrail seat, the handrail seat includes seat body, the seat body is opened and has the guide groove extending along the first direction, and the guide groove is set in the first direction one end opening, the guide groove is used to cooperate with the mounting base on the support of children carrier, to make the mounting base from the opening place enters the guide groove, to limit the handrail seat, and the guide groove is provided with locking portion, the locking portion is used to cooperate with the cooperation portion on the mounting base, to locate the locking handrail seat. The utility model aims at providing a detachable setting children carrier handrail.
Owner:GOODBABY CHILD PROD CO LTD
A method of manufacturing a flight
ActiveCN116901495BSimple manufacturing methodImprove pass rateElectrography/magnetographyCoatingsLaser imagingMechanical engineering
This invention belongs to the field of molding technology for laser imaging office equipment components, specifically a method for manufacturing a scraper. The scraper manufacturing method provided by this invention includes the following steps: S1 film molding; S2 removing the film, cleaning it to remove impurities and release agent from the film surface, obtaining a clean film; S3 preparing a coating according to the formula requirements; S4 uniformly applying the coating prepared in step S3 to the working position of the clean film obtained in step S2, obtaining a coated product; S5 drying the coated product obtained in step S4 to obtain a cured product, and cutting or slitting the cured product; S6 pasting the cut or slitting cured product from step S5 onto a metal bracket. The scraper manufacturing method provided by this invention, by coating a functional coating onto the PU film after molding, produces products with high qualification rates, strong versatility, reduced R&D costs, and increased product functionality.
Owner:ZHU HAI YOU TAI HUA GONG YOU XIAN GONG SI
A prefabricated wall panel incorporating electrical conduits
ActiveCN224314462Upass smoothlyflexible layoutElectrical apparatusWallsInterior spaceClassical mechanics
The utility model discloses a prefabricated wallboard of integrated electrical pipeline, including prefabricated wall bottom plate, prefabricated wall panel, sound insulation material layer, reinforcing bar layer and buffer pad, the one side of prefabricated wall bottom plate is provided with integrated electrical pipeline mounting groove, the integrated electrical pipeline mounting groove is arranged fixed with integrated electrical pipeline through the fixed clamp of installation, the prefabricated wall bottom plate is opened with the docking groove, the prefabricated wall panel is installed with the docking rod, the docking rod is connected with docking groove slidingly, the prefabricated wall panel is opened with fixed screw hole B, the docking rod is opened with fixed screw hole A, fixed screw is installed in fixed screw hole A and fixed screw hole B with fixed screw hole B. The utility model makes the layout of electrical pipeline more flexible, and the electrical pipeline can be adjusted flexibly after the installation of prefabricated wall panel, increases the flexibility and variability of building internal space layout, does not need to destroy wall structure, greatly improves construction efficiency and the convenience of later maintenance.
Owner:QIDONG ZHUCHENG PREFABRICATED BUILDING CO LTD
Steel structure building with integrated finishing module
ActiveCN224412790UFill the problem of weakened structural strengthImprove decoration standardizationArchitectural engineeringStructural framework
The utility model discloses a steel structure building with integrated decoration module, including steel structure frame main part and the integrated module of setting in steel structure frame main part, steel structure frame main part is set up to make its bottom to be in the air, and the steel structure frame main part all is provided with open hole around, bottom and top, the bottom support steel beam of integrated module bottom is provided with being suitable for with steel structure frame main part connection, and the placing groove of being suitable for placing electromechanical system is set up on integrated module. It is convenient to install integrated module in steel structure frame main part through open hole, makes the installation not be restricted, and also can install from the side or bottom after steel structure frame main part is capped, has reduced the installation difficulty. Through placing groove, can install electromechanical system directly before decoration, only needs to connect the pipeline on electromechanical system with the power supply on the scene after entering the scene, need not carry out the opening and installation of electromechanical system in the construction site, has saved the massive construction procedure and manual labor of on -the -spot electromechanical installation.
Owner:CHINA CONSTR SCI & IND CORP LTD
Side-mounted handle structure and door and window structure
ActiveCN222649684USimple transmission structureMeet functional requirementsWing handlesWing knobsStructural engineeringMechanical engineering
The utility model discloses a side-mounted handle structure and a door and window structure, the side-mounted handle structure comprises a handle and a transmission part which are respectively arranged on two sides of a door and window profile, and a rotating wheel used for converting rotation of the handle into linear movement of the transmission part, the handle comprises a shell, the rotating wheel is arranged in the shell, the rotating wheel comprises a rotating part and a shifting part, and the shifting part is arranged on the rotating part. One end of the rotating piece is connected with the handle, one end of the shifting piece is fixedly connected with the other end of the rotating piece, and the other end of the shifting piece is in transmission connection with the transmission piece. Transmission connection between the handle and the transmission piece can be achieved only by arranging the rotating wheel, other extra structures are not needed, and the transmission structure is simple, so that the transmission structure does not need a large sectional material cavity to meet the functional requirement of the transmission structure, and the transmission structure can be installed on an extremely narrow door and window and is convenient to use. A containing groove for containing the handle component is not needed, and installation is convenient.
Owner:SHENZHEN HOPO WINDOW CONTROL TECH CO LTD
Preparation method and device of Anshan basalt stratum grouting material
PendingCN121850502Asmall particle sizeInhibition of segregationSolid waste managementFlow propertiesCelluloseEngineering
The invention discloses a preparation method and device of an Anshan basalt stratum grouting material, and relates to the technical field of grouting. Primarily stirring the slurry; shearing and dispersing at high speed; performance detection; and a grouting step. According to the invention, the superfine fly ash microbeads, silica fume and nano-silica are compounded, and a high-speed shearing process is adopted, so that the particle size of the slurry is remarkably reduced, the flowability of the slurry is improved, and the slurry can be smoothly injected into micro cracks of anshan basalt; the main component Portland cement clinker has the characteristics of early strength and micro-expansion; the filling effect of the secondary components silica fume and nano-silica further compacts the structure of the stone body, so that the stone body has high later strength and tight cohesiveness with bedrock; under the synergistic effect of a small amount of hydroxypropyl methyl cellulose and nano silicon dioxide, segregation and bleeding of the slurry are effectively prevented, and it is ensured that the slurry is fully filled in cracks.
Owner:CHINA TIESIJU CIVIL ENGINEERING GROUP CO LTD +2
An engine compartment fuse box
The utility model discloses a kind of engine room fuse box, belong to fuse box field, including main box, main box integrated fuse box structure and distribution box structure, the shell of rectangular structure is provided to main box, fuse area is set in shell inside upper end, multiple groups of division grooves are set in fuse area, the position of accurate positioning fuse and relay;One long side outside of shell is set as positive area, multiple studs are provided in positive area, the one MIDI fuse is respectively connected with stud and is connected with busbar by fuse, stud is used for connecting power supply or cable.The engine room fuse box of the application adopts the solution of distribution box and engine room fuse box integration, the integrated novel engine room fuse box of the application is a kind of fuse box, which can realize multiple functions, is widely applied, has high development value, strong practicality, safety and reliability and other advantages.
Owner:天津昆文汽车电子有限公司
A concrete column-steel beam connection device with a column cap node
ActiveCN224741754UEliminate spatial obstructionavoid weakening
The utility model discloses a concrete column - steel beam connecting device of column cap node, including concrete column and the section steel column in the inside of concrete column, the section steel column upper end extends upwards and forms steel column extension section, and the column cap of longitudinal reinforcement welding with concrete column is equipped with on steel column extension section upper end, and the column cap circumferential with corresponding steel beam is connected, and is equipped with the pouring hole and the exhaust hole on the column cap. The utility model can effectively avoid the longitudinal reinforcement area of concrete column top, avoid the longitudinal reinforcement damage or cutting welding such as weakening node performance caused by forcibly bending, still possess concrete blanking and the physical passage of vibrating, ensure that the node core area concrete can fill and vibrating compact completely, prevent honeycomb, hole and other defects, improve the node integrity and long -term durability.
Owner:SICHUAN PROVINCIAL ARCHITECTURAL DESIGN & RES INST
A layered design method for snow surface covering for ice structure load-bearing structures
PendingCN122087915Acoordinated carrying capacityMorph coordinationGeometric CADDesign optimisation/simulationComputational scienceFatigue damage
This invention discloses a layered design method for snow surface overlay on ice-structured load-bearing structures, relating to the field of ice and snow engineering technology. The method includes the following steps: S1, determining the design constraints and performance indicators of the snow surface overlay based on target working conditions and environmental data; S2, obtaining the microstructural parameters of the snow material to be laid, including initial porosity, ice crystal size distribution, coordination number, and contact geometry. This invention establishes a cross-scale mechanical performance evolution model to accurately capture the microscopic mechanisms of ice crystal sintering, particle creep, and fatigue damage of snow material under long-term load and temperature, solving the problem of performance prediction deviations caused by the inability of existing macroscopic models to reflect microscopic evolution. By constructing a quantitative mapping relationship between microstructural parameters and macroscopic mechanical properties, combined with thermo-coupling load history simulation, accurate performance evolution data of the overlay can be obtained.
Owner:POLAR RES INST OF CHINA +2
A new torsion structure applied to an inner folding flexible screen terminal hinge and the hinge
This invention provides a novel torque structure and hinge for an inward-folding flexible screen terminal. The torque structure includes a sliding body and a moving cam at its end, and an elastic element. The sliding body is mounted on a rotating arm, with the sliding direction perpendicular to the rotation axis of the rotating arm. A stationary cam is provided at the middle support of the hinge. The elastic element causes the moving cam to press against the stationary cam. When the rotating arm rotates around its rotation axis, friction is generated between the moving cam and the stationary cam. This invention can add additional elastic force output to the rotating arm outside the rotating shaft. By forming a cam engagement with the fixed structure on the middle support, a new source of rotational resistance is provided, increasing the overall torque of the inward-folding flexible screen terminal hinge without increasing the occupation of the shaft. Furthermore, this torque structure can be independently adjusted by adjusting the cam surface, allowing the torque output of the cam to change synchronously or asynchronously with the elastic element on the hinge shaft, meeting different motion and functional requirements.
Owner:HANGZHOU AMPHENOL PHOENIX TELECOM PARTS
Autosampler
The present application provides an automatic sampler, comprising at least two relatively arranged brackets, a first transmission shaft, a fixed bracket, an injection needle, a sample container, a bottle presser assembly and a first driving mechanism. The bottle presser assembly is connected to the fixed bracket and can move up and down relative to the first transmission shaft. The bottle presser assembly can be located at a first position or a second position. In the first position, the bottle presser assembly is separated from the sample container, and in the second position, the bottle presser assembly is pressed against the top surface of the sample container; the first driving mechanism is used to drive the first transmission shaft to rotate, drive the fixed bracket and the bottle presser assembly to move up and down, and move the bottle presser assembly between the first position and the second position. When the bottle presser assembly is in the second position, the first transmission shaft is driven to rotate, and the fixed bracket is driven to move up and down relative to the bottle presser assembly, so that the injection needle is inserted into or pulled out of the sample container. Functional requirements are met and costs are reduced.
Owner:HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO LTD
A method for manufacturing a single-layer circuit flexible circuit board for an intelligent vision module
ActiveCN121510469Bavoid offsetSolve problems such as poor processingLithography/patterningConductive material chemical/electrolytical removalFlexible circuitsTin plating
The application discloses a manufacturing method of a single-layer circuit flexible circuit board for an intelligent vision module, takes a copper layer and respectively pastes a first dry film and a protective film, a window is made on the first dry film corresponding to a hollow circuit pattern, a tin plating layer is formed, a tin plating plate is formed; a single-sided copper-clad plate is taken, a circuit pattern is made corresponding to the tin layer area, a copper pattern of the copper-clad plate is formed, a first pattern plate is formed; the tin plating plate is correspondingly pressed with the first pattern plate to form a pressed plate; the protective film in the pressed plate is removed, a circuit pattern is made, a copper layer window pattern and a hollow circuit pattern are formed, and a second pattern plate is formed; the area corresponding to the copper pattern of the copper-clad plate of the insulating medium layer in the second pattern plate is removed, then tin removal processing is performed, after processing, the hollow circuit pattern forms a hollow circuit, and a flexible circuit board is formed; the tin layer provides protection for etching, creates a release condition for the copper pattern of the copper-clad plate, and lays a foundation for uncovering the insulating layer, and finally realizes efficient and high-precision processing of the flexible circuit board.
Owner:深せん市実锐泰科技有限公司