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90results about How to "Lean structure" patented technology

Night semantic segmentation method based on low illumination enhancement and edge optimization

The invention relates to the technical field of semantic segmentation, in particular to a night semantic segmentation method based on low illumination enhancement and edge optimization, and the method comprises the steps: inputting an image into a low-light enhancement repair network based on the Retinex theory, local contrast enhancement and adaptive feature fusion, obtaining a denoised and enhanced intermediate image, and carrying out the edge optimization of the intermediate image; inputting the intermediate image into a semantic segmentation network to obtain a category distribution diagram of each pixel; inputting a discriminator embedded with a channel attention module according to the category distribution diagram of each pixel, and optimizing a generator composed of a low light enhancement repair network and a semantic segmentation network through a multi-task joint optimization loss function; and inputting a night image to be detected and segmented into the optimized generator, and outputting a segmentation result. By adopting the method, the low-light enhancement repair network is combined with a local contrast enhancement and channel feature fusion mechanism, so that the overall brightness of the image is improved, the details and edge structures of the image are reserved, and the perception capability and robustness of the model are improved.
Owner:GUIZHOU UNIV

An insulating encapsulation structure and its connection encapsulation method for a probe temperature sensor.

This invention discloses an insulating encapsulation structure and connection method for a probe temperature sensor, relating to the field of temperature sensor technology. The insulating connection bracket has an outer insulating and thermally conductive protective layer, and contains insulating adhesive and a temperature-sensing component. The specific implementation is as follows: an insulating layer assembly, a built-in snap-fit ​​structure within the insulating connection bracket, and an eccentric cavity for housing the temperature-sensing component. A thermistor glass body is used as the insulator. In the insulation process, direct contact between the glass body and the inner wall of the bracket reduces one useless insulating layer. The cavity formed by the end of the insulating connection bracket and the insulating layer assembly houses the temperature-sensing component. The cavity contains a clearance structure for the thermistor pins and multiple layers of insulation between the pins and the conductive copper wires. A fluid insulating adhesive is used, and then the insulating connection is cured. Finally, the encapsulation is placed inside a metal shell containing insulating adhesive and cured, thus forming multiple layers of effective insulation and sufficient safe insulation thickness between the thermistor conductive pins and the metal shell.
Owner:ZHONGSHAN MINGYUAN ELECTRICAL TECH CO LTD

A curtain wall glass anti-impact buffer device

The utility model discloses a curtain wall glass anti -impact buffer device, including glass mounting structure and keel connecting plate, glass mounting structure includes the fixed frame, the fixed frame rear side is provided with the sliding part, the buffer support subassembly is fixedly installed on the front side surface of keel connecting plate, the buffer support subassembly includes horizontal guide rail, the sliding part sliding installation is in horizontal guide rail, the horizontal guide rail front end is provided with vertical guide rail, the vertical guide rail between slidingly is provided with the support wedge, the fixed frame rear side surface bottom integral arrangement has the linkage wedge, the linkage wedge with support wedge is respectively provided with the inclined plane structure of mutual adhesion, the support wedge is connected with horizontal guide rail through the elastic buffer reset piece, through the inclined plane cooperation structure of linkage wedge and support wedge, the glass gravity is converted to vertical and oblique support transmission from traditional side connection transmission, realizes glass gravity sharing, realizes buffer and gravity sharing function.
Owner:CHINA RAILWAY 11TH BUREAU GRP CONSTR & INSTALLATION ENG CO LTD +2

A driving wheel rotation structure

PendingCN122584859AImprove stabilityImprove anti-offset performance
The application discloses a driving wheel rotating structure, which comprises a rotating mechanism, a mounting plate, a rotating support assembly and a roller assembly, wherein the rotating mechanism comprises a rotating shaft, a gear and a rotating disc, the gear is fixedly connected to the end of the rotating shaft, and the rotating disc is provided with a gear ring which is engaged with the gear; the upper surface of the mounting plate is provided with a second bearing, the lower surface of the mounting plate is provided with a third bearing, and the rotating shaft penetrates through the second bearing and the third bearing; the rotating support assembly comprises a first support seat and at least one first bearing arranged in the first support seat, and the first support seat is located between the mounting plate and the rotating disc; and the roller assembly is fixedly connected with the rotating disc and rotatably connected with the rotating support assembly. The second bearing and the third bearing are arranged to form a double support structure of the rotating shaft, thereby improving the stability of the rotating shaft and avoiding the driving wheel from being stuck during the steering process.
Owner:SUZHOU LESTE NEW ENERGY TECHNOLOGY CO LTD

Vibration damper suitable for titanium concentrate vibrating screen

The utility model relates to the technical field of titanium concentrate, in particular to a vibration damper suitable for a titanium concentrate vibrating screen, which comprises a plurality of duplex vibration damping units connected with the vibrating screen. Each duplex vibration reduction unit comprises a connecting block arranged on the vibrating screen, a connecting rod and a connecting rod, the first damping spring is arranged at the bottom of the connecting block; the vibration reduction seat is arranged at the bottom of the first damping spring and is connected with the screen body frame; according to the multi-stage vibration reduction screen, the vibration reduction seats are arranged on the screen body frame, the first damping springs are arranged on the vibration reduction seats, and the first damping springs and the vibration reduction seats are matched with each other to achieve multi-stage vibration reduction, so that a vibration energy transmission path is blocked, and structural fatigue and resonance risks are reduced.
Owner:攀枝花市恒誉工贸有限责任公司

Preparation method of iron-based catalyst, iron-based catalyst and application thereof

ActiveCN118079915BEffectively regulate pore structureImprove pore structureOrtho-para hydrogen conversionCatalyst activation/preparationPtru catalystPhysical chemistry
The application discloses a preparation method of an iron-based catalyst, the iron-based catalyst and application of the iron-based catalyst. The preparation method mainly comprises three steps: firstly, a mixed solution of an iron-based precursor and an organic template agent with uniform distribution is prepared by means of stable temperature and autogenous pressure in a solvothermal process; subsequently, a weak alkaline precipitant without alkali metal is added into the mixed solution under heating to prepare an iron-based precipitate; finally, a honeycomb-shaped iron-based catalyst for ortho-para hydrogen conversion is prepared through steps of cleaning, drying, calcining, granulating, re-cleaning and activation. By adding the organic template agent, the pore structure of the catalyst is effectively improved without affecting the crystal type of the catalyst, and the performance of the catalyst is improved; and the weak alkaline precipitant without alkali metal is adopted, so that the controllability of the preparation process of the catalyst is enhanced, the influence of impurities such as alkali metal ions on the performance of the catalyst is effectively avoided, and the method has a simple process and high practical potential.
Owner:BEIJING INST OF AEROSPACE TESTING TECH +1

Shear connector, steel-concrete composite beam comprising the shear connector, and construction method thereof

ActiveCN117403530BReduce shear slip resistanceResist vertical lifting force
The application discloses a shear connector, a steel-concrete composite beam containing the shear connector and a construction method of the steel-concrete composite beam. The shear connector comprises an inverted truncated cone type cylinder (7), a stiffener, a cover plate, a penetrating steel bar (8) and a high-strength bolt (21); the stiffener comprises an integrally formed stiffener bottom plate (13) and a stiffener side plate (14), the size of the stiffener bottom plate is consistent with the size of the lower opening of the cylinder, and the stiffener bottom plate is attached to the lower opening of the cylinder; the stiffener bottom plate is provided with a second connecting hole for connecting the high-strength bolt; the stiffener side plate is arranged around the stiffener bottom plate and is attached to the inner wall of the cylinder; the height of the stiffener side plate is lower than that of the first connecting hole; the cover plate covers the upper opening of the cylinder; the penetrating steel bar transversely passes through the cylinder through the first connecting hole and leaves a connecting section on each side of the cylinder; and the high-strength bolt connects the stiffener bottom plate through the second connecting hole. The application realizes the disassembly and replacement of each component of the shear connector and the prefabricated bridge deck; and the structure form and stress performance of the shear connector are optimized.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY +1

An adaptive flameless combustion multi-pollutant collaborative control method for electronic waste pyrometallurgical secondary combustion chamber

The application discloses a kind of self-adapting flameless combustion multi-pollutant collaborative control methods for electronic waste pyrometallurgical recovery two combustion chambers, it is related to the technical field of combustion control and pollutant generation in situ inhibition of electronic waste pyrometallurgical recovery.The combustible component flue gas is introduced into the front section of two combustion chambers, so that the combustible flue gas environment is formed in the front section of two combustion chambers;The auxiliary fuel is introduced into the front section of two combustion chambers in the form of axial injection, and the flameless distributed combustion main reaction zone is formed in the front section of two combustion chambers;In the rear end of two combustion chambers, the combustion-supporting medium is introduced in a staged oxygen-supplying manner, and the oxidation reaction of carbon monoxide and intermediate combustible components in the combustion products is completed through a high-temperature oxidation environment;Based on the temperature field distribution, oxygen concentration distribution and combustion incomplete component characteristic parameters in two combustion chambers, the fuel injection parameters and combustion-supporting medium staged supply parameters are adjusted, so that the overall combustion state in two combustion chambers is stably maintained in the flameless distributed combustion state.The application can improve the overall pollutant control stability and operation reliability of the system.
Owner:TIANJIN UNIV +1

Intelligent trolley walking mechanism for logistics transportation

PendingCN122519692ARealize dynamic matchingSimplified freedom of movement
The application relates to the technical field of intelligent trolley walking mechanisms, in particular to an intelligent trolley walking mechanism for logistics carrying, which comprises a moving chassis mechanism and a supporting bottom plate installed on the top of the moving chassis mechanism, one side of the top of the supporting bottom plate is fixedly provided with a vertical fixing plate, one side of the vertical fixing plate, which faces the center of the supporting bottom plate, is rotationally connected with a closed-loop chain type conveying belt; equidistant through shaft sleeves are fixedly arranged in the closed-loop chain type conveying belt; and supporting shafts are rotationally connected in the shaft sleeves; the closed-loop chain type conveying belt and the multiple material carrying frames arranged on the vertical fixing plate realize dynamic matching of the material carrying stations and the taking and placing points. All the material carrying frames can be circulated to the butt joints of the same height as required, so that the matching clamping mechanism does not need to perform a complex vertical lifting stroke, the motion freedom degree of the clamping mechanism is greatly simplified, and the taking and placing operation cycle period is greatly shortened compared with a traditional multi-layer rack AGV.
Owner:泰州学院

Unmanned aerial vehicle battery compartment support structure with buffering and damping functions

The utility model discloses an unmanned aerial vehicle battery compartment support structure with buffering and damping functions, which comprises a cabin, a battery bracket and a battery, rubber mats with hexagonal honeycomb holes are embedded at four corners of the cabin and the battery bracket, V-shaped plastic ribs are arranged at the upper end of the cabin and are connected with the battery bracket through bolts and spring washers, and the battery bracket is of a cage type structure with radiating holes. During working, the V-shaped ribs and the spring washers form a double-layer vertical damping system to absorb low-frequency and medium-high-frequency vibration; the honeycomb rubber mat buffers transverse and lateral impact, and multi-directional shock absorption is achieved. The cage type bracket is matched with mechanical and electrical dual fixation of the terminal and the fixed column, so that the stability of the battery is ensured; the heat dissipation holes accelerate heat dissipation, and the upper cover protects the battery from being invaded by foreign matters. According to the structure, through collaborative design of multi-stage damping, stable fixing and efficient heat dissipation, the safety and reliability of the battery of the unmanned aerial vehicle are remarkably improved.
Owner:HUZHOU ZHUOYI NEW ENERGY TECHNOLOGY CO LTD

Composite gradient yielding lining structure for tunnel

The utility model discloses a composite gradient yielding lining structure for a tunnel, and relates to the technical field of yielding lining structures, the composite gradient yielding lining structure comprises a main supporting soft support, a supporting assembly is arranged below the main supporting soft support, the supporting assembly comprises two fixed inner supporting frames, side fixed supporting frames are arranged on the surfaces of one sides of the two fixed inner supporting frames, and the side fixed supporting frames are arranged on the surfaces of the other sides of the two fixed inner supporting frames. Limiting convex blocks are arranged on the surfaces of one sides of the side fixing supporting frames, a center movable frame is further arranged on the bottom face of the main supporting soft support, connecting shaft bodies are arranged at the two ends of the center movable frame, and the other sides of the two connecting shaft bodies are connected with one ends of fixing inner supporting frames correspondingly; according to the tunnel lining structure, the supporting assemblies are arranged, so that elastic degradation and creep deformation caused by a single yielding layer in a long-term high-pressure environment are avoided, and the long-term stability, the maintenance efficiency and the safety of the tunnel lining structure are remarkably improved.
Owner:GANSU PROVINCE TRANSPORTATION PLANNING SURVEY & DESIGN INST +1

Fundus blood flow imaging method and system based on cascade registration and storage medium

PendingCN122642827AReduce timing spanlean structureSpatial transformationNuclear medicine
The application relates to the technical field of optical imaging, in particular to an eye fundus blood flow imaging method and system based on cascade registration and a storage medium, which comprises the following steps: acquiring an eye fundus laser image sequence arranged according to a collection time sequence; based on the eye fundus laser image sequence, a plurality of mutually overlapped local time regions are divided according to the collection time sequence, local registration is performed on the eye fundus laser images in each local time region, and based on the eye fundus laser images after the local registration, a local structure image and a local blood flow image corresponding to the local time region are obtained; global unified registration is performed based on the local structure images, spatial transformation parameters corresponding to the local structure images are determined, and the spatial transformation parameters are synchronously applied to the corresponding local blood flow images to obtain a blood flow image sequence in a unified coordinate system; and fusion processing is performed on the blood flow image sequence in the unified coordinate system to obtain an eye fundus blood flow image. The application can improve the robustness, continuity and definition of eye fundus blood flow imaging.
Owner:SUZHOU MICROCLEAR MEDICAL INSTR

Water purification equipment

This application relates to the field of water treatment equipment technology, and provides a water purification device. The water purification device includes a housing, and a water filter assembly, a water circuit board, and a temperature control assembly arranged sequentially from top to bottom within the housing. The water filter assembly is connected to the water circuit board. The temperature control assembly includes a water storage tank and a temperature control component located beside the water storage tank for heating or cooling the water in the tank. The water circuit board has at least one support member on its side facing the temperature control assembly, and at least one of the support members abuts against the temperature control component; alternatively, the water circuit board abuts against the temperature control component. Based on the above solution, part or all of the weight of the water filter assembly and the water circuit board is distributed to the temperature control component, reducing the pressure on the water storage tank from the water filter assembly and the water circuit board, preventing deformation, damage, or failure of the water storage tank due to excessive pressure, and effectively extending the service life of the water storage tank.
Owner:GUANGDONG LIZI TECH CO LTD

Superimposed 5-9 axis coordinate measuring machine

PendingCN122505193ANo need to move frequentlyReduce the number of linkages
This invention provides a superimposed 5-9 axis coordinate measuring machine, relating to the field of dimensional inspection equipment. The superimposed 5-9 axis coordinate measuring machine includes an X-axis measuring stage base, a Z-axis assembly, and a self-compensating Y-axis assembly. The self-compensating Y-axis assembly is mounted on the X-axis measuring stage base, and the Z-axis assembly is mounted on the self-compensating Y-axis assembly. The self-compensating Y-axis assembly is used to enable the Z-axis assembly to smoothly adjust its position along the Y-axis. A counterweight balancing component is installed at the lower end of the Z-axis assembly. This superimposed 5-9 axis coordinate measuring machine can handle large molds, housings, and wind power / aerospace structural components. The existing side head of the equipment performs point dimensional / geometric tolerance checks; another independent probe performs surface scanning. These functions are independent of each other, making it suitable for reverse engineering and full inspection of complex surfaces. Multiple independent probes are responsible for different areas, eliminating the need for frequent movement of the main spindle or turntable, reducing the number of axis linkages, and indirectly reducing the accumulation of errors in the superimposed axes.
Owner:XIAN HIGH TECH AEH INDAL METROLOGY

A perforating device for baling straw biomass fuel

ActiveCN224643835UImprove burnout rateImprove combustion efficiency
The utility model discloses a kind of perforating device of bundled straw biomass fuel, including frame, and frame is provided with perforating device, and perforating device includes linear power mechanism, mounting seat and punch assembly, the end surface of mounting seat is connected with linear power mechanism, and the other end surface is provided with punch assembly;The bottom of frame is provided with the positioning assembly for positioning straw bundle, and linear power mechanism drives punch assembly to carry out punching operation to the straw bundle after positioning. Linear power mechanism includes any one in hydraulic cylinder, cylinder, electric cylinder, and hydraulic cylinder is connected with hydraulic pump group and control valve group, cylinder is equipped with gas source equipment and solenoid valve, electric cylinder is electrically connected with servo driver and controller. The utility model punches in straw bundle, obtains straw bundle with air hole, increases airflow flow in straw bundle, effectively improves the combustion efficiency of whole straw bundle, can effectively reduce the volume and structure of combustion furnace, reduces combustion furnace investment cost.
Owner:HARBIN MENGBIAO ENERGY TECHNOLOGY CO LTD

Chinese language ancient book intelligent digital acquisition system

PendingCN121792673ARealize non-contactRealize soft touch page turningBook markersTransmission
The invention relates to the technical field of intelligent big data acquisition, in particular to a Chinese language ancient book intelligent digital acquisition system, which comprises a constant temperature box internally provided with a bearing platform for placing ancient books; the page turning execution assembly is movably arranged in the constant temperature box, and the page turning execution assembly comprises a mounting base and at least one execution unit arranged along the mounting base; the execution unit comprises a triggering mechanism used for sequentially completing the whole process of adsorption, lifting and shifting at the corners of the book pages, and a page turning mechanism used for forming tiny gaps at the corners of the book pages. According to the page turning device, non-contact and soft contact type page turning of fragile ancient book pages is achieved by combining the synergistic effect of electrostatic adsorption, the flexible driving lever and controllable airflow. The electrostatic adsorption head can softly adsorb corners of pages, and by matching with air cushion separation and soft rubber wheel page turning, physical friction and structural damage to ancient book paper are reduced to the maximum extent, and it is ensured that an ancient book body is safe and lossless in the digitization process.
Owner:NANTONG INST OF TECH +1

Microfluidic flow cell image deblurring enhancement method

This invention discloses a method for deblurring and enhancing microfluidic flowing cell images, relating to the fields of image enhancement, microscopic image processing, and microfluidic cell imaging. The method acquires continuous flowing cell images and adjacent frames, determining the working image and flow direction reference. Based on inter-frame local displacement, it extracts non-overlapping candidate cell regions, determines the directional blur length by combining local flow velocity, exposure time, and pixel physical size, and constructs a single-cell local directional blur kernel along the channel direction. Then, it constructs a trailing confidence map by combining trailing similarity, displacement consistency, and edge extension degree, establishing a variational deconvolution model that includes data fidelity, second-order smoothing of directional decomposition, and grayscale or fluorescence total amount constraints. The fusion result is obtained through candidate recovery results, uncertainty-weighted fusion, and backoff constraints, and cell region total amount correction is performed, outputting a deblurred and enhanced flowing cell image.
Owner:UNIV OF JINAN

Cross-color-gamut phase-guided double-attention fusion HDR imaging method

PendingCN121961958Aavoid missing detailsreduce ghostingImage enhancementImage analysisGamutFeature extraction
The invention relates to a cross-color gamut phase-guided double-attention fusion HDR imaging method. The method comprises the following steps: step (1), carrying out data preprocessing of denoising and cleaning on an original multi-exposure image sequence; step (2), obtaining standardized image data; (3) mapping a nonlinear pixel value into a linear physical illumination value for the standardized image data through a reverse application camera response curve, and outputting a linearized multi-frame image; step (4), splicing the linearized multi-frame images on a channel dimension, and constructing a unified input tensor containing complete dynamic range information; (5) performing convolution operation on the input tensor, and extracting shallow feature representation of local textures and edges of the image; extracting shallow layer features; and step (6), introducing a double attention mechanism to perform interaction and aggregation of global features, and outputting a fused high dynamic range feature map. The method can stably work in a dynamic scene and under an extreme exposure condition, and promotes the practical application of an HDR imaging technology.
Owner:XIDIAN UNIV

Composite photovoltaic frame pultrusion production line

ActiveCN224689693UImprove layout flexibilitycompact layoutGlass fiberProduction line
The utility model discloses a kind of composite photovoltaic frame pultrusion production lines, including the glass fiber yarn frame, pultrusion mould, traction machine and cutting machine arranged in sequence;Felt frame and dehumidification integrated device are provided between the glass fiber yarn frame and pultrusion mould, felt frame and dehumidification integrated device include dehumidifier and felt frame, and the top and bottom of dehumidifier are respectively provided with felt frame;Production line further includes glass fiber yarn tension adjusting device, which is arranged close to pultrusion mould.Dehumidifier and felt frame are integrated design, compact structure, small floor area, and glass fiber yarn tension adjusting device is close to pultrusion mould, and the adjustment effect of yarn tension is more direct.
Owner:QINGDAO HOUZE JINYE NEW MATERIAL TECHNOLOGY CO LTD +1

Daytime effect night vision device low-illumination image dynamic noise reduction method based on image recognition

The invention discloses a low-illumination image dynamic noise reduction method for a daytime effect night vision device based on image recognition, and the method comprises the following steps: obtaining a low-illumination image sequence, and determining a current frame as a target frame; performing noise level estimation and image recognition on the target frame to obtain a noise parameter and a recognition confidence map; generating an initial edge set based on the target frame, and determining an initial edge weight; performing semantic boundary constraint reconstruction on the initial edge set, and outputting a reconstructed edge set; performing Felzenszwalb graph segmentation on the reconstructed edge set, sorting the reconstructed edge set according to the reconstructed edge weight, taking edges in sequence according to the sorting sequence, and outputting a final region label graph and a segmented region set according to a merging criterion; determining a region-level noise reduction intensity parameter for each region, and generating a noise reduction control chart; and performing regional dynamic noise reduction processing on the target frame according to the noise reduction control chart to obtain a noise reduction output frame. According to the method, the target edge and detail fidelity is improved, and the excessive smoothing risk of cross-semantic boundaries is reduced.
Owner:LU YIXIHE (BEIJING) TECHNOLOGY CO LTD

Composite chimney with one cylinder and half multiple pipes

The utility model discloses a one-barrel half multi-pipe composite chimney, which belongs to the technical field of industrial chimneys, and comprises a lower outer barrel, a plurality of lower inner barrels are fixedly connected in the lower outer barrel through a support, a hole sealing platform is fixedly mounted at the top of the lower outer barrel, an upper single barrel is mounted at the top of the hole sealing platform, and a plurality of lower inner barrels are fixedly mounted at the bottom of the upper single barrel. A smoke exhaust hole is formed in the position, corresponding to the lower inner cylinder, of the hole sealing platform, the lower opening position of the smoke exhaust hole is flexibly connected with the top end of the lower inner cylinder through an expansion joint, an inner cylinder pulley is installed on the periphery of the lower inner cylinder, and the periphery of the inner cylinder pulley is movably connected with the inner side wall of the lower outer cylinder. A plurality of inner cylinders can be arranged in the lower outer cylinder and matched with the upper single cylinder to guarantee the smoke exhaust height, so that the anti-corrosion area is reduced, the structure of the upper single cylinder is reduced, the overall structure consumption and the manufacturing cost are greatly reduced, and resources and the investment cost of a user are saved.
Owner:SISRI ENVIRONMENTAL EQUIP ENG (LIANYUNGANG) CO LTD

A horizontal omnidirectional adaptive inertial capacitance damping system and a biomimetic wind turbine tower

This invention discloses a horizontal omnidirectional adaptive inertial capacitance damping system and a biomimetic wind turbine tower. The damping system includes several mass blocks, with a sleeve fixed below each mass block. Guide rods are paired and slide relative to the sleeve at both ends. The outer ends of the two guide rods slide on a first circular slide rail on the inner wall of the wind turbine tower. A disc spring is fitted on the outer side of the sleeve, and the inner end of the spring is linked by a first gear transmission unit connected to a first inertial capacitance flywheel located inside the sleeve. A second gear and rack transmission unit perpendicular to the guide rods is located above the mass blocks. A bracket perpendicular to the guide rods is located below the sleeve, sliding on a second circular slide rail on the inner wall of the wind turbine tower. The sleeve slides on the bracket. The second gear and rack transmission unit is connected to the second inertial capacitance flywheel located on the bracket. This invention can improve the adaptability and damping efficiency of highly flexible wind turbine towers to complex multidirectional wind-induced and seismic vibrations.
Owner:JIANGSU UNIV OF SCI & TECH

Main bowden cable and method of manufacturing the same

This invention provides a main chord tube and its manufacturing method, relating to the field of marine engineering equipment. The main chord tube provided by this invention includes a rack plate and a main body. The main body includes two tube bodies, which are symmetrically arranged on both sides of the rack plate. The interior of each tube body has a porous structure, which is connected to the inner wall of the tube body. The main chord tube of this invention can reduce the amount of steel used, reduce its own weight, and save construction costs.
Owner:YANTAI UNIV

Multifunctional electric lifting and carrying device

PendingCN122585912AIncrease job securityEliminate potential safety hazards of rollover and overturning
The present application relates to the technical field of power lifting and carrying equipment, in particular to a multifunctional power lifting and carrying equipment; comprising a tracked chassis and a vehicle body fixedly connected above the tracked chassis; a main motor output shaft is connected to the vehicle body through a vehicle disc; the main motor shell is embedded in the bottom of the folding telescopic arm and fixedly connected with each other; the output end of the folding telescopic arm is fixedly connected with a manned platform; a movable groove is arranged at the center position in the vehicle body; the present application is matched with the reversible adaptive supporting leg structure through the self-adaptive rotation of the universal ball, the liquid medium transmission mechanism, the arc strip push-pull adjustment structure, so as to automatically link and adjust the opening angle and supporting span of the four-direction supporting legs of the vehicle body according to the real-time center of gravity shift direction in the folding telescopic arm operation process, real-time match the dynamic operation condition of the equipment, and further completely solve the technical pain points that the fixed angle supporting legs of the traditional equipment cannot adapt to the center of gravity shift, the center of gravity is inclined to the side supporting force, and the overall supporting force is unbalanced.
Owner:JIANGSU YUANNENG ELECTRIC POWER ENG

High-durability steel structure connecting assembly

The utility model discloses a high-durability steel structure connecting assembly which comprises a connecting plate, clamping grooves are formed in the two ends of the connecting plate, the clamping grooves are used for being connected with a steel structure in a clamping mode, a plurality of plug pin holes are formed in the clamping grooves, a plurality of plug pins are inserted into the plug pin holes, and the connecting plate and the steel structure are fixed through the plug pins. A clamping assembly is arranged in the clamping groove and used for clamping the steel structure in the clamping groove. According to the utility model, the stability of steel structure connection can be improved.
Owner:ZHEJIANG HAOTENG STEEL STRUCTURE CO LTD

An induced polarization detection electrode and electrode system applied to a TBM and a laying method

This invention relates to the field of tunnel advanced geological exploration technology, and in particular to an excitation polarization detection electrode, electrode system, and deployment method applied to TBMs. The excitation polarization detection electrode includes an electrode rod, an electrode head, and a magnetic coupling seat. The electrode head is detachably and fixedly connected to the front end of the electrode rod, and the magnetic coupling seat is sleeved on the outside of the electrode rod. The portable detection electrode is deployed through the tool holes of a matching TBM cutterhead, and the magnetic coupling seat is adsorbed and fixed to the platform of the tool hole. The electrode of this invention is coupled to the tunnel face through the tool holes, eliminating the need for custom drilling and pre-reserved electrode installation positions on the cutterhead, thus reducing the impact on the cutterhead structure and strength. The large number of tool holes allows for flexible electrode arrangement, adapting to various different arrangements and observation methods. Compared to the single position and arrangement of hydraulic cylinder electrodes, this invention can obtain richer detection data and greatly improve detection accuracy.
Owner:SHANDONG BAI20 HUITONG ENG TECH CO LTD

Data query methods, devices, equipment, and media based on natural language recognition

ActiveCN121722904BImprove resolution accuracyOvercoming the problem of accurate mappingEngineeringResult set
This application provides a data query method, apparatus, device, and medium based on natural language recognition, belonging to the field of data query technology. The method includes: obtaining extended keywords based on user natural language queries; obtaining pattern information and business knowledge based on the extended keywords, user natural language queries, and a vector database; generating target prompt words based on the pattern information, business knowledge, user natural language queries, and system prompt word templates; generating multiple candidate query statements through a target large language model based on the target prompt words and model generation parameters, and determining the optimal query statement; executing the optimal query statement in a database test environment, obtaining an execution result set and capturing abnormal information; validating the execution result set and obtaining a verification result; if the abnormal information is empty and the verification result is qualified, then generating a visualization chart based on the extended keywords, the optimal query statement, and the qualified result set. This application can improve the accuracy of power data queries.
Owner:BEIJING JOIN BRIGHT DIGITAL POWER TECH CO LTD

Sound barrier foundation

ActiveCN224412597Uincrease contact areaEffectively spread the loadSound barrierArchitectural engineering
The utility model provides a sound barrier foundation, the utility model belongs to sound barrier field, include: foundation base group, the both sides of steel structure are provided with a foundation base group respectively, every foundation base group includes: a plurality of foundation base, a plurality of foundation base equal interval set up on the concrete and all are connected with steel structure, every foundation base includes: upper seat, upper seat is used for connecting with steel structure, embedded bolt group, one end is inserted in the concrete, and the other end is connected with upper seat. Purpose at to solve the problem of insufficient stability of sound barrier foundation structure in prior art. The technical effect reached is: realize the sound barrier foundation of relatively stable.
Owner:CHINA RAILWAY 19TH BUREAU GRP EAST CHINA ENG CO LTD

Low-thermal-conductivity high-pressure-resistant phase change microcapsule foam concrete and preparation method thereof

PendingCN122586488AImprove wettabilityInhibit initial agglomeration
The application discloses a kind of low thermal conductivity high compression phase change microcapsule foam concrete and its composite dispersion-interface anchoring preparation method.The method prepares composite dispersion solution with non-ionic surfactant and silane coupling agent, carries out pre-adsorption coating treatment to phase change microcapsule, so that wet dispersion layer and interface anchoring layer are formed on its surface;Then, the treated phase change microcapsule is mixed with cement and prefabricated foam, and foam concrete is prepared by pouring, hardening and curing.The application can improve the dispersion stability of phase change microcapsule in cement paste, enhance the interface combination of phase change microcapsule and cement hydration product, reduce the thermal conductivity of the material and increase the compressive strength, and is suitable for building energy saving and temperature regulation type cement-based material.
Owner:MACAU UNIV OF SCI & TECH

A plaque three-dimensional parameter atlas reconstruction evaluation method based on coronary center line constraint

PendingCN122510436Alean structureReduce information drift
The application discloses a kind of plaque three-dimensional parameter atlas reconstruction evaluation methods based on coronary center line constraint, comprising: obtaining and preprocessing coronary CCTA volume data;Using the continuous action deep reinforcement learning model based on Actor-Critic architecture to extract center line and radius value, generate tubular region of interest;Orthogonal section resampling is carried out, section sequence is constructed, and double-coordinate joint representation is formed;Input VM-UNet segmentation network, obtain the segmentation result of lumen, vessel wall and plaque component;Introduce pixel-level contrast learning strategy in the training of segmentation network;From the segmentation result, plaque three-dimensional parameter atlas is reconstructed by back projection;Construct plaque component relationship graph;Input uncertainty perception multimodal fusion network, obtain risk result and corresponding confidence;When confidence result exceeds preset threshold, resample and reconstruct plaque component relationship graph, obtain corrected result.
Owner:BEIJING INFORMATION SCI & TECH UNIV