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36results about How to "Guarantee structure" patented technology

Image fusion method based on double-branch feature decoupling auto-encoder

The invention discloses an image fusion method based on a double-branch feature decoupling auto-encoder, and belongs to the field of computer vision and image processing. According to the method, for the problems of modal pollution and structural distortion in infrared and visible light image fusion, structural semantic information and high-frequency texture details of a source image are extracted respectively by constructing a content feature coding module and a detail feature coding module, and feature decoupling is achieved. And performing deep fusion on the decoupled features by using an adaptive feature weighting mechanism, and reconstructing a fused image with infrared target saliency and visible light detail definition through a shared decoder. According to the method, an end-to-end two-stage training strategy is adopted for optimization, complex prior or post-processing is not needed, the effects of improving the fused image contrast, edge preservation and target recognition performance are remarkable, and the method is suitable for the fields of weak light monitoring, intelligent perception, unmanned system navigation and the like.
Owner:CHANGCHUN UNIV OF SCI & TECH

A natural language and meta-model driven code generation system

ActiveCN121209875BHighly consistent architectureHighly consistent qualityCode compilationCode generationSoftware engineering
The application discloses a natural language and meta-model driven code generation system, which comprises an AI layer containing multiple intelligent agents working cooperatively, the AI layer being configured to receive natural language instructions and perform intent recognition, entity extraction, context analysis and constraint verification through the intelligent agents to generate structured metadata; a meta-model engine configured to construct and instantiate one or more meta-model objects according to the structured metadata generated by the AI layer; and a code template engine configured to match one or more corresponding code templates from a code template library according to the content and type of the meta-model objects, and generate executable code or configuration files in one or more target languages through rendering. According to the scheme, natural language is converted into a meta-model decoupled from technology through AI, and high-quality standardized code is automatically generated through a template engine, thereby improving development efficiency and enabling developers to focus on core business innovation.
Owner:CHINA DATANG GRP DIGITAL TECH CO LTD

Modified copper-based metal organic framework material, preparation method and application thereof and method for removing sulfides

ActiveCN117861623BLarge adsorption capacityhigh adsorption selectivityOrganic sulfide compoundMetal-organic framework
The present application relates to the technical field of metal organic framework materials, in particular to a modified copper-based metal organic framework material, a preparation method and application thereof, and a sulfide removal method. The modified copper-based metal organic framework material comprises a metal organic framework formed by copper and an organic ligand, and silver doped on the metal organic framework; and the crystal surface of the modified copper-based metal organic framework material has long and narrow honeycomb-shaped pores. + and Ag + The modified copper-based metal organic framework material has suitable pore structures and rich adsorption sites for removing various organic sulfides, and the modified copper-based metal organic framework material has Cu + and Ag + which can adsorb sulfides through π bond action, and has a large adsorption capacity and high adsorption selectivity for sulfides (such as mercaptans, sulfides, thiophenes, etc.) as a desulfurization adsorbent.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

X-ray structure analysis sample forming material, and method for determining molecular structure of organic compound using the same

PendingCN122295571AGood solvent resistanceImprove toughnessSimple Organic CompoundsStructure analysis
This invention provides a novel material for preparing X-ray structural analysis samples of organic compounds. The X-ray structural analysis sample forming material of this disclosure comprises a metal complex crystal. The metal complex crystal comprises a metal ion and a ligand coordinated to the metal ion, the metal complex crystal having a three-dimensional network structure with regularly ordered pores, the ligand comprising a carboxylic acid ligand (c) and a pyridine ligand (p), the carboxylic acid ligand (c) and the pyridine ligand (p) being a combination of the following [I] or [II]: [I] a compound represented by formula (c1) and a compound represented by formula (p1); [II] a compound represented by formula (c2) and a compound represented by formula (p2).
Owner:THE UNIV OF TOKYO +1

A Cr and Br double-element doped polyanionic sodium-ion battery positive electrode sodium iron pyrophosphate material, a preparation method and application thereof

This invention relates to a Cr and Br dual-element doped polyanionic sodium-ion battery cathode material, sodium iron phosphate pyrophosphate, its preparation method, and its application, belonging to the field of sodium-ion battery technology. The general chemical formula of the cathode material of this invention is: Na₄Fe₂O₃. 3‑x Cr x (PO4)2P2O7Br y Where 0 < x < 0.5, 0 < y < 0.7; the precursor wet gel is obtained through a sol-gel process, dried, and then sintered. This invention relates to a Cr- and Br-doped polyanionic sodium-ion battery cathode material, sodium iron phosphate pyrophosphate. The Cr dopant enhances bulk stability, while the gradient distribution of Br forms a fast ion conduction layer on the surface. The two elements together improve the rate capability and cycle performance of the sodium-ion battery. This provides a modification strategy of significant reference value for cathode materials that suffer from low discharge specific capacity and poor cycle performance at high rates due to electron conductance differences.
Owner:XIAN UNIV OF TECH

Fundus fluorescence angiography collaborative generation method based on feature enhancement fusion

The invention discloses a feature enhancement fusion-based fundus fluorescence angiography collaborative generation method, which comprises the steps of constructing and training an improved cyclic generative adversarial network model, and comprises a multi-scale fusion generator, a residual network generator, a first discriminator and a second discriminator, a multi-scale fusion generator, a residual network generator and a first discriminator are sequentially connected to form a main generation network, then the residual network generator, the multi-scale fusion generator and a second discriminator are sequentially connected to form an auxiliary generation network, and the main generation network and the auxiliary generation network are trained. Completing the training of the multi-scale fusion generator in the process of generating and reconstructing the fundus fluorescent angiography image; and converting the to-be-detected color fundus structure image into a fundus fluorescent angiography image by using the trained multi-scale fusion generator.
Owner:SHANGHAI UNIV OF ENG SCI

Fabricated station force transmission key

The utility model discloses an assembly type station force transmission key, and relates to the technical field of force transmission keys, the assembly type station force transmission key comprises a bolt sleeve integrally formed with an assembly type block, the bolt sleeve is internally in threaded connection with a force transmission bolt, and one side of the bolt sleeve is provided with a detachable rotating piece in threaded connection with the force transmission bolt. Stable work of the force transmission key is achieved through mutual cooperation of the bolt sleeve, the force transmission bolt and the detachable rotating piece, and the whole force transmission key is simple in structure, small in size, suitable for assembly type station structures of different thicknesses or types, especially suitable for assembly type stations with small fertilizer groove width, simple in installation technology, small in construction period influence and high in practicability. Repeated retightening can be performed according to deformation of the enclosure structure, and the retightening process is simple; and the grouting head is installed to conduct grouting plugging on the force transmission key, and construction and structural defense of the assembly type station can be effectively guaranteed.
Owner:中交(广州)建设有限公司 +1

An interaction quality guarantee method for improving reliability of large language model question and answer

The application provides an interactive quality guarantee method for improving the reliability of large language model question and answer, relates to the technical field of large language model question and answer, and comprises the following steps: in response to an initial natural language inquiry, a guiding question is generated and output, initial medical semantic weights are given to each structured field in the preliminary medical description, and in response to an intervention instruction, a weight-adjustable enhanced medical description is generated; the subject reference relationship in the current interaction sequence is identified in real time, the context data generated by the interaction is subject label calibrated and logically isolated based on the identification result, so that a structured conversation context with subject consistency is constructed; the enhanced medical description in the structured conversation context is scored for integrity and logically consistent; when the verification is passed, the enhanced medical description, the corresponding weight information and the related constraint strategy retrieved from the medical constraint strategy library are collectively encapsulated as a structured prompt word, which is input into a large language model to obtain a medical question and answer result.
Owner:HUAHUIJIAN (TIANJIN) TECH CO LTD

Corrugated board

ActiveCN224186522UImprove waterproof and moisture-proof performanceprevent moistureSpecial paperSynthetic resin layered productsAnti bacteriaAntibacterial coating
The utility model discloses a corrugated board, which belongs to the technical field of corrugated boards and comprises a planar board body, a waved board body and a plurality of moisture-proof rods, the moisture-proof rods are uniformly distributed on two sides of the waved board body, the moisture-proof rods are adhered in waved recesses of the waved board body, and each moisture-proof rod is of a net structure. The interior of the moisture-proof rod is filled with a drying agent, and the surface plate body comprises a plate base layer, a moisture-proof film, a waterproof film, a wear-resistant layer and a mildew-proof layer; according to the corrugated board, by arranging the moisture-proof film and the waterproof film, the waterproof and moisture-proof performance of the corrugated board can be improved, moisture entering the corrugated board is reduced, by arranging the moisture-proof rods in the wave recesses of the wave board body, the moisture entering the corrugated board can be absorbed, the interior of the corrugated board is kept dry, and therefore the interior of the corrugated board can be prevented from being affected with damp, and the service life of the corrugated board is prolonged. By arranging the nano-silver ion antibacterial coating, the interior of the corrugated board can be prevented from mildewing, and the structure and the service life of the corrugated board are guaranteed.
Owner:QINGDAO LONGHUI PACKAGING CO LTD

A slope protection reinforcing device for construction engineering and a method of using the same

PendingCN122522743AEasy to installGood chain effect
The application relates to the technical field of building slope reinforcement, and particularly discloses a slope protection and reinforcement device for building engineering and a use method thereof, which comprises a grouting fixing mechanism and a protection frame; the protection frame is arranged and installed on a slope and is fixedly installed through the grouting fixing mechanism; the grouting fixing mechanism is provided with a grouting rod and an anchoring hole; the grouting rod is inserted into the anchoring hole; a grouting through hole is arranged in the grouting rod; a grouting pipe connector is arranged at the upper portion of the grouting rod; the grouting pipe connector is connected with a grouting pipe; a plurality of support structures are arranged on the outer side of the grouting rod; and the support structures are supported between the grouting rod and the inner wall of the anchoring hole; the application reduces the influence on the growth of vegetation, forms a good interlocking effect with the vegetation, and makes the installation of the protection frame more stable; the anchoring and grouting structures are integrally arranged; the grouting is directly carried out through the anchor rod while the anchoring is carried out; the structure of the anchoring is guaranteed; the installation of the protection frame is more firm; the protection effect of the overall slope is better; and the service life is longer.
Owner:滕州市工程建设服务中心

Shower head with water stopping and spray gun water spraying functions

The utility model provides a shower head with water stop and spray gun water functions, and relates to the technical field of bathroom products, the shower head comprises a shower head body, a first switch mechanism and a second switch mechanism, the shower head body is provided with a water inlet flow channel, a shower head water cavity and a spray gun water cavity, the shower head water cavity is communicated with a water outlet assembly, and the spray gun water cavity is communicated with a spray gun water outlet nozzle; the first switching mechanism comprises a switching valve, and the switching valve enables the water inlet flow channel to be switched between communication with the shower head water cavity and communication with the spray gun water cavity. The second switch mechanism comprises a water distribution piece arranged in the water distribution cavity and a push button linked with the water distribution piece, the water distribution cavity is communicated with the shower head water cavity, the water outlet end of the water distribution cavity is provided with a water stop hole and a plurality of water outlet holes, the water outlet holes are communicated with water outlet water channels on the water outlet assembly in a one-to-one correspondence mode, and the push button is pushed to drive the water distribution piece to rotate. And the water distribution port on the water distribution piece is aligned and communicated with the water stop hole or the water outlet hole. Therefore, the problems that an existing multifunctional shower head is complex in structure and multiple in switch piece are solved.
Owner:XIAMEN FUCHENGLIN SANITARY WARE TECHNOLOGY CO LTD

Rail detection device and method for large arm box girder of ship unloader

PendingCN121849592AImprove assembly and disassembly efficiencyquick installationMeasurement devicesLoading/unloadingMarine engineeringTrackway
The invention belongs to the technical field of steel structure monitoring, and particularly relates to a rail detection device and method for a ship unloader large arm box girder, and the device comprises a device main body which is integrated with a detection sensor and a processing unit, and further comprises a rail system which is arranged in a box girder and spans a rib partition plate, and comprises a bearing frame and a rail body, the bottom of the track body is connected to the bearing frame, and the bottom of the bearing frame is connected with a horizontal wing of the L-shaped quick release structure. The L-shaped quick release structure comprises two L-shaped adapter plates, and each L-shaped adapter plate is composed of a horizontal wing and a vertical wing; the two L-shaped adapter plates are arranged on the two sides of the rib partition plate in the mode that the vertical wings are opposite. The vertical wings and the rib partition plates which are oppositely arranged are clamped and fixed, and rapid connection between the track system and the box girder rib partition plates is achieved. A modular rib-crossing track system is formed, and non-blind-area and high-precision scanning of a key structure below is achieved.
Owner:QINGDAO UNIV OF TECH

New and old steel bar connecting mode suitable for replacing bridge expansion device

The invention discloses a new and old steel bar connecting mode suitable for replacing a bridge expansion device, and relates to the technical field of highway bridge maintenance. Comprising the following steps: S1, prefabricating a reinforcing steel bar lock catch in a factory; s2, chiseling away concrete in an anchoring area of the old telescopic device; s3, the old telescopic device is dismantled; s4, a new telescopic device is installed; s5, the old anchoring steel bars are connected with horizontal full-length steel bars preset in anchoring steel bar rings of the new telescopic device profile steel through steel bar lock catches; s6, concrete is poured into an anchoring area of the new telescopic device; and step S7, preserving. Rapid and reliable connection between a new telescopic device and an old anchoring steel bar is achieved through the steel bar lock catch, the defects of air pollution, original structure damage and the like of traditional steel bar planting and welding are overcome, the construction period is greatly shortened, the construction difficulty and cost are reduced, meanwhile, the connection firmness and construction safety are improved, and the replacement quality of the telescopic device is guaranteed.
Owner:HENAN JIAOTONG DESIGN CONSULTING CO LTD

Voiceprint sensor based on fiber aerogel structure and preparation method and application thereof

The invention discloses a voiceprint sensor based on a fiber aerogel structure and a preparation method and application thereof, and the voiceprint sensor comprises a nanofiber aerogel sensing layer which is of a sandwich structure and comprises a first conductive polyurethane nanofiber membrane, a conductive polyvinyl alcohol nanofiber membrane and a second conductive polyurethane nanofiber membrane from top to bottom in sequence; the first conductive polyurethane nanofiber membrane and the second conductive polyurethane nanofiber membrane are respectively prepared by compounding polyethylene glycol-polyurethane, poly trimethylene ether glycol-polyurethane, N, N-dimethylformamide and ZnCl2 ionic liquid, and are respectively used as an upper electrode and a lower electrode; the conductive polyvinyl alcohol nanofiber membrane is prepared by compounding polyvinyl alcohol and hydroxylated multi-walled carbon nanotubes, and is clamped between the two conductive polyurethane nanofiber membranes; the two copper foils are respectively adhered to one end of the surface of the upper electrode and one end of the surface of the lower electrode, and one end of each copper foil extends outwards and is connected with a wire. The preparation method is simple, the sensing performance is excellent, and the performance is stable.
Owner:ANHUI NANRUI JIYUAN POWER GRID TECH CO LTD

A control method for prolonging the life of a dc-dc converter capacitor

ActiveCN116260323BSuppresses low frequency rippleextend your life
This invention discloses a control method for extending the lifespan of a DC-DC converter capacitor. The converter includes a DC-DC conversion module and a capacitor connected to a first or second side of the DC-DC conversion module. The control method includes: acquiring the ripple component Bpp of the capacitor; determining whether the capacitor has degraded based on the ripple component Bpp; and adjusting the adjustment coefficient of the loop control module of the DC-DC conversion module to suppress low-frequency ripple current on the capacitor after determining that the capacitor has degraded. This invention, by adding the adjustment coefficient to the control loop of the converter after detecting capacitor degrade, suppresses the low-frequency ripple of the capacitor on the first or second side of the DC-DC conversion module, thereby maximizing the capacitor's lifespan and improving product reliability. It also has the advantage of maintaining the original circuit structure without increasing product cost.
Owner:SHENZHEN VMAX NEW ENERGY CO LTD

An enhanced antistatic polyetheretherketone composite material and its preparation method

PendingCN122080615AImprove rigidityAvoid decomposition failureBulk chemical productionFiberPolymer science
This invention discloses an enhanced antistatic polyetheretherketone (PEEK) composite material and its preparation method. The composite material is prepared from the following raw materials in parts by weight: 60-85 parts of PEEK resin, 5-15 parts of a first synergistic component, 3-10 parts of a second synergistic component, 2-8 parts of a third synergistic component, and 1-5 parts of a high-temperature processing aid. The first synergistic component is a mixture of a metal-based conductive filler and a high-temperature resistant antistatic synergist; the second synergistic component is ionic liquid-functionalized modified graphene; the third synergistic component is a composite of carbon nanotubes and conductive nanofibers; and the high-temperature processing aid includes a high-temperature lubricant and a high-temperature antioxidant. The preparation method includes steps such as preparing various premixes, melt blending, extrusion granulation, and supercritical fluid in-mold foaming. This invention constructs a stable three-dimensional conductive network through the synergistic effect of multi-scale conductive fillers, giving the composite material excellent antistatic properties.
Owner:FANGKETE (SUZHOU) NEW MATERIAL TECHNOLOGY CO LTD

Ship folding fan type sail independent control method based on wind conditions

The invention relates to the technical field of ship propulsion, and discloses a ship folding fan type sail independent control method based on a wind regime, and the method specifically comprises the steps: data collection, data analysis and fault early warning, wind direction compliance determination, safety evaluation, target angle execution, and angle error determination and compensation. By means of multi-sensor fusion and an intelligent algorithm, high-precision and high-safety autonomous control over the folding fan type sail of the ship is achieved, mechanical faults such as a bearing can be early warned in real time, the sail unfolding angle is dynamically optimized to maximize thrust efficiency, meanwhile, the wind direction effectiveness and structural stress safety are strictly verified, and operation under the dead wind or overload working condition is avoided; and the feedback of the incremental encoder and a grading error compensation mechanism are combined, so that the angle control precision is within + / -1 degree, the wind energy utilization efficiency is remarkably improved, the fuel consumption and carbon emission are reduced, and the safety of the sail and the ship body structure is effectively guaranteed.
Owner:QINGDAO HEADWAY TECH

A graphite quench tower for cooling high temperature incineration off-gas

ActiveCN224381563UImprove cooling effectFilling has good load-bearing effectTrickle coolers
This utility model discloses a graphite quench tower for cooling high-temperature combustion exhaust gas, comprising a graphite cooling tower and lifting lugs. The lifting lugs are uniformly fixed to the outer side of the graphite cooling tower, and a pump pipe is connected to the bottom of the outer side of the graphite cooling tower. A manhole is provided at the bottom of the outer side of the graphite cooling tower, and an air inlet is connected to one side of the bottom of the graphite cooling tower. This utility model provides a large contact area between the exhaust gas and the cooling medium by correspondingly setting two layers of packing material in the graphite cooling tower. The two layers of packing material further increase the contact time and contact area between the exhaust gas and the cooling medium in the graphite cooling tower, thereby enhancing the cooling effect and effectively adsorbing pollutants. The packing material layers are supported by a packing grid to prevent the packing material from falling, ensuring that the structure and shape of the packing material layer remain unchanged, thus maintaining normal cooling and purification functions.
Owner:NANTONG RUNZE ANTICORROSION TECHNOLOGY CO LTD

Three-dimensional Gaussian modeling method and system based on Poincare sphere and three-plane representation

PendingCN122066910AReduce texture stretchingReduce distortion problems3D-image rendering3D modellingHuman bodyFeature extraction
The invention discloses a three-dimensional Gaussian modeling method and system based on Poincare sphere and three-plane representation. The method comprises the steps that a human body image is acquired and preprocessed; inputting randomly generated Gaussian variables into three-plane geometric feature branches to obtain geometric features; inputting a UV mapping graph obtained by fitting when the 3D human body reconstruction network model is trained into a hyperbolic U-net UV feature extraction branch to obtain UV features; and fusing the geometric features and the UV features, inputting the fused geometric features and UV features into a multi-branch decoder to obtain 3D Gaussian rendering core parameters, and synthesizing a 3D human body avatar image based on the 3D Gaussian rendering core parameters. According to the invention, a high-fidelity and real-time 3D human body model can be generated.
Owner:HUBEI UNIV OF TECH

Self-adaptive safe power transmission tower assembly device

PendingCN121803102AContinuous and smooth pulling forcePrevent excessive swingTowersTransmission towerControl theory
The invention relates to the technical field of power transmission tower construction, and discloses a self-adaptive safe power transmission tower assembling device which comprises a crawler-type power body, a holding pole is installed on the crawler-type power body, a pair of cargo booms are rotatably installed on the side wall of the holding pole, and a protective steel cable is connected between the top of the holding pole and the tail ends of the cargo booms. In the process that the cargo boom is slowly folded towards the holding pole, a sliding rod in the storage assembly can precisely slide along an arc track of an overturning guide rail, and in cooperation with the guide effect of a slope on a guide block, connecting arms on the two sides and inserting rods on a connecting frame can be stably driven to move in the opposite directions, so that the inserting rods precisely sleeve the outer side of a protective steel cable which is loosened and drooped after being stored; therefore, preliminary limiting of the protection steel cable is completed, and excessive swinging of the protection steel cable is avoided. And the sliding rod continues to slide into the downward-moving guide rail, the inserting rod is driven to integrally move downwards by means of the inclined track of the downward-moving guide rail, continuous and stable downward pulling force is formed on the protective steel cable, and the loose and bent protective steel cable is gradually straightened and kept in a slightly-tightened stable state.
Owner:YANGZHOU NEW ORIENTAL POWER TOOLS CO LTD

Product three-dimensional modeling generation method based on sketch constraint and style migration

InactiveCN121937638AAchieve viewpoint consistencyachieve decouplingGeometric CADImage enhancementAlgorithmModelSim
The invention relates to the technical field of computer graphics and artificial intelligence, and discloses a sketch constraint and style migration-based product three-dimensional modeling generation method. The method aims at solving the technical problems that in an existing automatic three-dimensional modeling technology, it is difficult to consider the geometric structure accuracy controllability and the surface material high fidelity at the same time, and the manual design production period is long. According to the method, standardized preprocessing is performed on a multi-view sketch and a style image, a three-dimensional geometric skeleton is reconstructed, and an initial grid is generated by using an implicit curved surface technology; a deep neural network is utilized to extract style features, a joint optimization framework based on differential rendering is constructed, and geometric vertexes and physical rendering material parameters of the model are updated synchronously and iteratively according to sketch contour constraints and style feature statistical differences.
Owner:ZHENGZHOU UNIVERSITY OF AERONAUTICS

High double-sided rate TOPCon battery based on Poly Finger structure and preparation method thereof

PendingCN121968783AReduce parasitic absorptionIncrease the duplex rateFinal product manufacturePicosecond laserElectrical battery
The invention discloses a high double-sided rate TOPCon battery based on a Poly Finger structure and a preparation method thereof. The preparation method comprises the following steps: S1, performing alkali texturing treatment to form a positive pyramid textured surface; s2, performing boron diffusion to form a boron diffusion layer; s3, removing borosilicate glass on the back surface; s4, polishing the substrate; s5, sequentially depositing a silicon dioxide tunneling oxide layer, a phosphorus-doped amorphous silicon layer and a silicon dioxide mask layer on the back surface; s6, performing annealing crystallization to obtain a phosphorus-doped polycrystalline silicon layer and a phosphorosilicate glass layer; s7, the phosphorosilicate glass is loosened through picosecond laser; s8, performing surface etching to form a Poly Finger structure; s9, polishing the back surface; s10, performing ink jet etching on a non-grid line area, and cleaning to obtain an inverted pyramid light trapping structure; s11, preparing an aluminum oxide passivation layer; s12, coating the front and back surfaces; and S13, preparing an electrode. The product prepared by the invention can significantly improve the back efficiency and the cell double-sided rate.
Owner:NANJING TECH UNIV

Coarse-grained soil shear strength estimation method and device, computer equipment and storage medium

The invention relates to the technical field of coarse-grained soil shear strength estimation data analysis, and discloses a coarse-grained soil shear strength estimation method and device, computer equipment and a storage medium. The method comprises the following steps: obtaining the fractal dimension of coarse-grained soil, obtaining reproduced soil, obtaining the fractal dimension of the reproduced soil, and preparing a parallel-level counterweight soil preparation sample when the error between the fractal dimension of the coarse-grained soil and the fractal dimension of the reproduced soil meets a preset threshold range, and carrying out a shear strength test on the parallel-level counterweight soil preparation sample to obtain an internal friction angle and cohesive force so as to estimate the shear strength of the coarse-grained soil. The device, the computer equipment and the storage medium all correspond to the method. The reduced scale grading method based on the fractal dimension similarity criterion effectively maintains the particle skeleton structure, reduces the cohesive force estimation error and improves the shear strength parameter measurement precision through the cohesive force correction coefficient equation according to the maximum particle size scaling ratio, is better in adaptability to the large scaling ratio, and provides a new way for economically and efficiently obtaining the coarse-grained soil strength parameter.
Owner:HUNAN COMM RES INST CO LTD

Herbicide spraying cart

The utility model relates to a herbicide spraying cart, which belongs to the field of spraying devices and comprises a cart body, and one end of the cart body is provided with a pair of handles. The liquid supply assembly is mounted on the vehicle body; the spraying tool is erected on the vehicle body, and the inlet end of the spraying tool communicates with the outlet end of the liquid supply assembly; the electric control box is installed on the vehicle body, a main electromagnetic valve and a pressure regulating valve for controlling water pressure are arranged in the liquid supply assembly, the electric control box is connected with the main electromagnetic valve and the pressure regulating valve in an electric control mode, and control switches are installed on the handles. The two control switches are in electric signal connection with the electric control box so as to control the main electromagnetic valve and the pressure adjusting valve respectively, an operator can complete spraying in the cart pushing process, the spraying pressure can be controlled, and other large-amplitude actions are not needed.
Owner:HU LUN BEI ER SHI NONG MU KE XUE YAN JIU SUO +1

Folding building surveying pay-off instrument

The utility model relates to the technical field of pay-off instruments, in particular to a foldable building surveying pay-off instrument which comprises a base, a pay-off disc, a laser ranging disc and a pay-off reel. A pay-off reel used for manual pay-off measurement is arranged above the base disc, a laser ranging disc used for laser ranging is arranged above the pay-off reel, a pay-off groove is formed in the center of the pay-off reel, a pay-off reel used for taking up and paying off the pay-off reel is arranged in the pay-off groove, a damping rotating shaft is arranged between the base disc and the pay-off reel, and the base disc is movably connected with the pay-off reel through the damping rotating shaft. The manual pay-off and laser ranging functions are integrated through the pay-off reel and the laser ranging disc, a constructor does not need to frequently replace equipment, the manual pay-off function is used during short-distance measurement, the laser ranging function is used during long-distance measurement, various measurement requirements of a construction site are quickly responded, the measurement time is greatly shortened, and the construction efficiency is improved. And the measurement efficiency is greatly improved.
Owner:XINJIANG TENGYUERUI CONSTR ENG CO LTD

An automatic punch press with a protective structure

This invention belongs to the field of punching technology, specifically an automatic punching machine with a protective structure. It includes a hydraulic punching machine body with a cross-shaped rib plate on its worktable. A lower die is mounted on the top of the cross-shaped rib plate. A guide plate is provided on the top of the cross-shaped rib plate and along the outer periphery of the lower die. A guide groove for guiding the profile feed is formed on the guide plate. A feeding pipe is connected above the guide groove, and multiple profiles to be processed are stacked inside the feeding pipe. This invention achieves highly efficient and continuous automatic production. In the feeding stage, the die height adjustment mechanism of the hydraulic punching machine body drives the pusher plate to complete the feeding action. The feeding process is mechanically linked and seamlessly connected with the stamping action, requiring no additional power source. This structure simplifies the equipment and, by avoiding the time-consuming separate feeding process, effectively shortens the processing cycle of a single profile, significantly improving the overall stamping efficiency.
Owner:WUXI QIAOSEN SEIKO MECHANICAL CO LTD