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51results about How to "Improve load stability" patented technology

Multi-cell energy absorption thin-walled tube based on paper folding structure

The invention discloses a multi-cell energy-absorbing thin-walled tube based on a paper folding structure, which belongs to the technical field of structural mechanics and comprises a thin-walled inner tube, a thin-walled outer tube and a plurality of rib plates. Each layer of unit cell structure is defined by n unit wall plates in an end-to-end connection mode, each unit wall plate comprises an upper trapezoidal unit plate and a lower trapezoidal unit plate which are connected along a first crease, and the left side and the right side of each upper trapezoidal unit plate are connected with upper triangular unit plates along second creases correspondingly. The left side and the right side of the lower trapezoidal unit plate are respectively connected with the lower triangular unit plate along a third crease, and the upper triangular unit plate and the lower triangular unit plate are connected through a fourth crease. According to the multi-cell energy absorption thin-walled tube based on the paper folding structure, the thin-walled inner tube and the thin-walled outer tube which are of the paper folding structure are compounded through the rib plates, higher average crushing force is obtained through the compound design, and therefore the load stability of the structure is improved; the deformation process of the multi-cell energy-absorbing thin-walled tube is stable and controllable through specific crease lines and geometric shape design.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Drilling and cutting and material cutting all-in-one machine

The utility model discloses a drilling and cutting all-in-one machine which comprises a drilling and cutting device, a cutting and cutting device and a lathe bed structure, the lathe bed structure comprises a lathe body, the lathe body is of a structure formed by integrally welding metal pipes, the two ends of the lathe body in the front-back direction are the feeding end and the discharging end correspondingly, and a feeding table, a transfer material table and a cutting machining material table are installed on the lathe body; the feeding table is provided with a first bearing face used for bearing materials, the transfer material table is provided with a second bearing face used for bearing the materials, the cutting machining material table is provided with a third bearing face used for bearing the materials, and the first bearing face, the second bearing face and the third bearing face are flush. According to the technical scheme, the materials do not move in the vertical direction in the whole machining and conveying process from before drilling and cutting to after cutting, auxiliary adjustment of the vertical position of the materials through workers is omitted, and due to the fact that the materials do not change in the vertical height in the transferring process, the possibility that the materials deviate in the transferring process is reduced.
Owner:SHANDONG SHENGBANG INTELLIGENT TECH CO LTD

Two-section type vehicle-mounted refrigerator rack

ActiveCN224184181UStress resistanceavoid shakingVehicle arrangementsIceboxIn vehicle
The utility model relates to the technical field of vehicle-mounted articles, in particular to a two-section type vehicle-mounted refrigerator rack which comprises a supporting frame, a sliding rail assembly movably connected with the supporting frame and a tray movably connected with the sliding rail assembly and used for carrying a refrigerator, and the supporting frame comprises a back plate and two side plates fixed to the two ends of the back plate respectively. The reinforcing plates are fixed to the two sides of the tray and the inner sides of the side plates, the connecting blocks are movably connected with the reinforcing plates, the reinforcing plates are provided with a plurality of rolling wheels arranged side by side, the front face and the back face of each connecting block are provided with first sliding grooves and second sliding grooves matched with the rolling wheels, and the rolling wheels are embedded into the first sliding grooves and the second sliding grooves to roll. The connecting block is arranged at the connecting position of the tray and the supporting frame, the reinforcing plates with the rollers are arranged on the tray and the side plates, the rollers are movably connected with the connecting block, and a rigid frame structure of the side plates and the back plate is matched, so that the structure is simplified, the production cost is reduced, and the structural rigidity can be improved.
Owner:DONGGUAN LONMAN AUTO & CAMPING ACCESSORIES MFG

Modified water-based cold galvanizing anticorrosive paint and preparation method thereof

The invention relates to the technical field of anticorrosive paint, in particular to modified water-based cold galvanizing anticorrosive paint and a preparation method thereof. The anticorrosive paint comprises the following raw materials in parts by weight: 30-35 parts of water-based acrylic resin, 8-14 parts of a functional additive based on stability regulation, 7-11 parts of modified nano zinc oxide, 6-9 parts of a curing agent, 2-4 parts of a coalescing agent, 1-3 parts of a defoaming agent, 4-7 parts of a silane coupling agent KH560 and 25-30 parts of deionized water. According to the cold galvanizing anticorrosive paint, the water-based acrylic resin is adopted as a matrix, the added functional additive based on stability regulation and the modified nano zinc oxide are used as blending raw materials, and through coordination and cooperation of the water-based acrylic resin and the functional additive based on stability regulation, the drawing adhesive force performance effect of a product is remarkable, and the corrosion resistance, freezing resistance, heat resistance and scraping stability of the paint product are enhanced; and the performance stability of the product is improved.
Owner:SHANGHAI HAOZIN TECH CO LTD

Movable operation platform for aloft work in railway tunnel

The utility model relates to a railway tunnel aerial work movable work platform which comprises a horizontally-arranged bearing platform and a crawling ladder fixedly arranged on the edge of one side of the bearing platform, the included angle between the plane where the crawling ladder is located and the bearing platform is an obtuse angle, and diagonal draw bars are fixedly arranged between the crawling ladder and the bearing platform; a plurality of directional brake trundles are arranged on the edge of the side, away from the crawling ladder, of the bearing platform, and the rotating planes of the directional brake trundles are all horizontally arranged; a plurality of bearing directional wheels are arranged on the edge of the lower side of the crawling ladder, and the rotating planes of the bearing directional wheels are all located on the plane where the crawling ladder is located; the bearing directional wheels are used for abutting against the groove wall of the side edge, away from the wall surface, of the ditch cable trough. The laying efficiency of the railway tunnel lining side wall cable can be improved.
Owner:CHINA RAILWAY SIXTH GROUP CO LTD +1

Combined heat treatment bearing tooling

The utility model relates to the field of bearing frock, concretely relates to a combined heat treatment bearing frock, including support chassis, be provided with the adjusting base in the support chassis, the top of support chassis is provided with the rotating ring, the top circumference of support chassis is provided with the connecting column, the outside of support chassis is provided with transmission outer tube, the outside of connecting column is provided with the moving block, the moving block is connected with adjusting base, the top of multiple moving blocks is provided with the round head. The utility model discloses through setting up support chassis and realizes the stable support of overall structure, utilizes the linkage between rotating ring and connecting column, drives moving block to carry out the height position of control round head, realizes the accurate positioning to work piece, further, through the cooperation of transmission outer tube and lifting rod, drives the stable board to expand outward, enhances the clamping and fixed effect of external circular ring class work piece, improves overall bearing stability.
Owner:SUZHOU TENG KAI METAL MATERIALS CO LTD

Load adjusting system and method of photovoltaic power generation network

The invention provides a load regulation system and method for a photovoltaic power generation network, and the method comprises the steps: extracting an active power feature and a reactive power feature in the photovoltaic power generation network from nonlinear load power, and determining a compensation relation between the reactive power and the active power in the photovoltaic power generation network through the reactive power feature; determining power loss characteristics during nonlinear fluctuation of the load according to the compensation relation and the active power characteristics; extracting a stationary feature of the linear load power, and performing balance prediction on the load power according to the stationary feature and a linear relationship between supply power and load demand in the linear load power to obtain a load balance value of the photovoltaic power generation network; and performing loss compensation on the load balance value by using the power loss characteristic to obtain a balance parameter value of the load power in the photovoltaic power generation network, and performing balance adjustment on the output power of the photovoltaic power generation network based on the balance parameter value of the load power. Based on the scheme, balance adjustment of the output power in the photovoltaic power generation network can be realized.
Owner:DONGGUAN GUANNENG GREEN ENERGY SERVICE CO LTD

A trestle for construction across a railway line and a method of use

PendingCN122280056AQuick erectionquick evacuationHydraulic motorTrackway
This invention relates to the field of trestle bridges, specifically to a trestle bridge for construction across railway lines and its usage method. The trestle bridge includes a trestle bridge module, approach bridge modules, a traveling module, and a support and guide module. The trestle bridge module is erected within a reserved passage area on the external track line. The approach bridge module is mounted on one side of the trestle bridge module via a rotating shaft and is pulled by the trestle bridge module. Two sets of traveling modules are installed on both sides of the ends of the trestle bridge module. The support and guide module is erected on the side of the reserved passage area facing the track. The hydraulic motor in the traveling module, in conjunction with the traveling wheels, drives the trestle bridge module to move rapidly along the guide roller seats of the support and guide module. Combined with the folding and unfolding functions of the approach bridge module, this enables rapid erection and dismantling of the trestle bridge, significantly shortening construction preparation time and dismantling cycle, avoiding prolonged interruptions to railway operations, and effectively solving the problems of long construction cycles and dismantling interference with normal railway operations caused by traditional trestle bridges.
Owner:THE FOURTH ENG CO LTD OF CTCE GRP +2

A lower swing arm structure of a front suspension of an automobile

The utility model discloses a kind of automobile front suspension lower swing arm structures, it is related to automobile parts technical field, to solve the problem of existing swing arm stress concentration, insufficient reliability. It includes swing arm body, swing arm body one side is equipped with ball pin seat, the other side front end is equipped with first bushing, rear end is equipped with second bushing, body is equipped with connecting rod, connecting rod is equipped with shock absorber mounting seat;Swing arm body is U-shaped opening structure, there is S-shaped first reinforcing rib in;Connecting rod is arched, hollow and there is S-shaped second reinforcing rib in, set up stop board at arching place. First reinforcing rib direction is parallel with bushing axis, bushing and shock absorber mounting seat axis are parallel. The structure is formed by reinforcing rib triangular support dispersion stress, give consideration to lightweight and high strength, improve load stability, applicable to automobile front suspension system.
Owner:SHIYAN HUIYUAN AUTOMOBILE PARTS MANUFACTURING CO LTD

Pre-pressing type ultrathin matrix spring vibration isolation support and mounting method thereof

The invention discloses a pre-pressing type ultrathin matrix spring vibration isolation support and a mounting method thereof. The support comprises an upper seat plate, a lower seat plate, a vibration reduction assembly, a pre-pressing assembly and a horizontal buffering and limiting assembly. And the upper seat plate and the lower seat plate are fixedly connected with an upper building and a lower building respectively. The two ends of the vibration reduction assembly are connected with the bottom of the upper seat plate and the top of the lower seat plate correspondingly, and the vibration reduction assembly comprises multiple sets of high-rigidity springs arranged in an array. Each pre-pressing assembly comprises a first supporting frame, a second supporting frame, an adjusting screw rod and a locking nut, the first supporting frame and the second supporting frame are symmetrically arranged up and down, the two ends of the adjusting screw rod penetrate through the first supporting frame and the second supporting frame correspondingly, the locking nuts are in threaded connection with the two ends of the adjusting screw rod, and the damping assembly can be adjusted to be in a rated bearing state through the pre-pressing assemblies. The horizontal buffering and limiting assembly buffers and limits the horizontal relative movement between the upper base plate and the lower base plate. The vibration isolation support is small in size, light in weight and capable of pre-pressing and adjusting the rated load bearing of the vibration reduction assembly, and meanwhile has the buffering and vibration reduction function in the horizontal direction.
Owner:CHINESE PEOPLES LIBERATION ARMY KET FORCE COMMAND ACAD

A heavy metal scavenger modified with borate-hydroxyoxime groups, its preparation method and application

PendingCN122562145AImprove capture efficiencyMeet deep processing needs
This invention belongs to the field of wastewater treatment technology, specifically relating to a heavy metal scavenging agent modified with boric acid-hydroxyoxime groups, its preparation method, and its application. The boric acid-hydroxyoxime group-modified heavy metal scavenging agent comprises a three-dimensional network structure formed by the dehydration condensation bridging of polyaluminum chloride and boric acid, and hydrogen-bonded hydroxamic acid groups. This invention uses polyaluminum chloride (PAC) as the main framework, forming Al-O-B boron-oxygen covalent bonds through the dehydration condensation of boric acid and the hydroxyl groups of PAC, bridging the oligomeric PAC into a stable three-dimensional network polymer structure, thus enhancing its adsorption bridging ability. Then, it adsorbs acetylhydroxamic acid onto the boron-bridged PAC framework through a multiple hydrogen bond network, constructing a heavy metal scavenging agent with flocculation, adsorption, and chelation functions. The heavy metal scavenging agent of this invention has a stable structure, can be reused multiple times, and has high heavy metal capture efficiency.
Owner:JIANGSU GUOFENG ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD

Cable erecting and supporting device for mechanical and electrical installation

The utility model discloses a cable erecting and supporting device for mechanical and electrical installation. The cable erecting and supporting device structurally comprises a base, a supporting column, a top plate, a bearing piece, a moving structure and a distance adjuster. After a moving structure is further improved, through a connecting base of the back of the parallel plate and the sliding block, the supporting column can penetrate through the sliding block through the adaptive groove, the sliding block can stably slide up and down on the supporting column through a pulley carried by the sliding block, and the vertical column can be driven to slide up in the process; the vertical column can be separated from the interior of the restraining rod, so that the height of the bearing part can be changed, the cable rack can be mounted in the bearing part in a low-altitude area, then the cable rack is pushed to a proper height by using the sliding block and the pulley, and the original mode that the cable rack is carried to the proper height and then assembled is replaced; the practical effect of the supporting device is further improved, and the installation convenience effect of the cable clamp can be improved.
Owner:ZHEJIANG YIJIAN CONSTR GROUP

A pitch mechanism, a hub assembly, a rotor mechanism, and an aircraft

The utility model relates to a variable pitch mechanism, paddle hub assembly, rotor mechanism and aircraft, relate to aircraft technical field to solve the problem of complex, inconvenient maintenance or lubrication management complex of multi-bearing combination assembly in the prior art. The utility model's variable pitch mechanism, including variable pitch hinge support piece, paddle clip shell and transmission assembly, transmission assembly sets up between variable pitch hinge support piece and paddle clip shell, transmission assembly includes tapered roller bearing and bearing lubrication passageway, bearing lubrication passageway provides lubricating oil to tapered roller bearing, and tapered roller bearing provides axial and radial collaborative load for the relative motion of variable pitch hinge support piece and paddle clip shell. The utility model passes through tapered roller bearing, effectively deals with the composite load produced in the variable pitch process, and bearing lubrication passageway can continuously provide lubricating oil to tapered roller bearing, reduces friction loss, prolongs bearing service life, and improves the operation stability and reliability of variable pitch mechanism.
Owner:芜湖联合飞机科技有限公司

Degradable, breathable and antibacterial material for reverse wearing clothes and preparation method of degradable, breathable and antibacterial material

The invention belongs to the technical field of high polymer materials, and particularly discloses a degradable breathable antibacterial material for reverse clothing and a preparation method thereof, and the degradable breathable antibacterial material comprises the following raw materials by weight: 90-100 parts of polylactic acid, 15-20 parts of modified antibacterial particles, 10-15 parts of polyvinyl alcohol, 5-10 parts of modified starch, 4-7 parts of a plasticizer, and 1-2 parts of an antioxidant. According to the degradable breathable antibacterial material for the reverse clothing, the polylactic acid is used as a main body, and the modified antibacterial particles, the polyvinyl alcohol, the modified starch and other functional components are used as auxiliary materials, so that the prepared material for the reverse clothing has excellent degradability, breathability and antibacterial performance, the components are reasonable in proportion, the processing performance is good, and industrial production is easy to achieve.
Owner:SHANDONG INTE MEDICAL TECH CO LTD

High porosity compressed silver-loaded activated carbon filter element and low-temperature bonding manufacturing method thereof

PendingCN122516973ASolve the blockageSufficient adsorption active surface area
The application belongs to the field of water treatment, and particularly relates to a high-porosity compressed silver-loaded activated carbon filter element and a low-temperature bonding manufacturing method thereof, aiming to solve the technical problems of low porosity, poor silver loading stability and high-temperature process destroying the pore structure of the existing activated carbon filter element. The filter element adopts plasma surface activation pretreatment to introduce oxygen-containing functional groups on the surface of the activated carbon as chemical anchor points of silver, realizes the bimodal silver spatial distribution of microporous ionic silver and mesoporous nano silver clusters through hierarchical silver loading treatment, utilizes a composite adhesive system to cooperate with a low-temperature molding and steam setting process, and finally constructs a through microchannel network through the removal of a pore-forming agent. Through the adoption of the above technical scheme, the application can realize high-porosity retention rate, significantly improve the silver loading stability and antibacterial durability, achieve the balance of high strength and low water flow resistance, and the process is green and environmentally friendly, and is suitable for large-scale industrial production.
Owner:CHONGQING CHANGSUISHUI TECHNOLOGY CO LTD

Preparation method of cinnamyl aldehyde loaded silicon dioxide nano antibacterial agent

PendingCN119522912AImprove load stabilityImproved enhanced load stabilityBiocideDisinfectantsInhibition zoneStaphyloccocus aureus
The invention discloses a preparation method of a cinnamyl aldehyde loaded silicon dioxide nano antibacterial agent, relates to a preparation method of a nano antibacterial agent, and aims to solve the technical problem that the antibacterial effect is influenced due to the fact that the conventional cinnamyl aldehyde antibacterial agent is easy to volatilize and poor in water solubility. The preparation method comprises the following steps: adding silicon dioxide into an alcohol solution of cinnamyl aldehyde, heating to boil, carrying out reflux reaction, and then centrifugally separating out a precipitate, thereby obtaining the cinnamyl aldehyde loaded silicon dioxide nano antibacterial agent. When the concentration of the nano-antibacterial agent is 0.4-1g / L, the diameter of an inhibition zone of the nano-antibacterial agent to staphylococcus aureus is about 30-55mm, and the diameter of an inhibition zone of the nano-antibacterial agent to escherichia coli is about 27-45mm. The method can be used in the field of antibacterial agents.
Owner:GANSU UNIV OF CHINESE MEDICINE

Full grouting sleeve with good sealing effect

ActiveCN224717313Uprevent looseningInitial positioning is stable
The utility model relates to full grouting sleeve technical field discloses a full grouting sleeve with good sealing effect, including the cylinder wall, the upper end outside fixed connection of cylinder wall has the liquid outlet pipe, the lower end outside fixed connection of cylinder wall has the liquid injection pipe, the upper and lower sides of cylinder wall all are provided with the reinforcing steel bar, the upper and lower ends fixed connection of cylinder wall has the fixed ring, the inboard fixed connection of fixed ring has the fixed sealing ring, the outside screw thread connection of reinforcing steel bar has the sliding sealing ring, the inside of upper and lower ends of cylinder wall is provided with a plurality of first buckles, one end fixed connection of first buckle is in the inside of upper and lower ends of cylinder wall, the other end of first buckle is close to the outside of reinforcing steel bar, the inclination direction of first buckle is consistent with the movement direction of reinforcing steel bar, the inside of the middle part of cylinder wall is provided with the limit component, in the utility model, through double -layer sealing structure, prevent slurry leakage, accurate positioning reinforcing steel bar depth, effectively promote construction sealing property and structure bearing stability.
Owner:LANGFANG YUZELI BUILDING MATERIALS TECH CO LTD

A cylindrical glassware packaging box and a packaging method thereof

The application discloses a cylindrical glass piece packaging box and a packaging method thereof, wherein the packaging box comprises a spliced cover plate which is spliced by wooden boards and flexible buffer boards in a horizontal direction; a clamping groove is formed in the wooden board and is embedded with a notch on a support to limit the displacement of a protection mechanism in a vertical direction; wherein a first limiting support is arranged on the outermost side of a first protection part, and a second limiting support opposite to the first limiting support is arranged on the outermost side of a second protection part; a slope is arranged on the opposite surface of the first limiting support and the second limiting support respectively, and the two slopes are oppositely arranged and used for abutting against and limiting the sharp end of the end part of the cylindrical glass piece; through the above mode, the application can effectively solve the breakage problem of the cylindrical glass piece caused by the shaking of the protection mechanism and the lack of reliable limiting of the special-shaped end part during transportation, and improve the protection performance and loading and unloading convenience of the packaging.
Owner:JIANGSU SHENGTAI GRP CO

A laser cutting machine unloading device

ActiveCN224587235UFlip flexibleAchieve automatic unloading
This utility model discloses a laser cutting machine unloading device, including a support frame, an inclined support rod at the upper end of the support frame, a telescopic cylinder movably connected to the inclined support rod, a V-shaped tube support frame on one side of the upper end of the support frame, the V-shaped tube support frame being fixedly connected to the telescopic cylinder, an inclined support frame on one side of the support frame, and several buffer support components on the inclined support frame, the telescopic cylinder being used to control the flipping action of the V-shaped tube support frame. Product advantages: Through the combined design of the inclined support rod and the telescopic cylinder, the flexible flipping of the V-shaped tube support frame is realized, thereby achieving automatic unloading of the tube, significantly reducing manual intervention, greatly improving unloading efficiency, meeting the needs of modern manufacturing automation production, and reducing labor costs and labor intensity.
Owner:江苏领翰智能激光科技有限公司

A telescopic live working insulation shielding device with an insulator as a fixing point

This invention discloses a telescopic live-line working insulation shielding device with an insulator as the fixing point, belonging to the technical field of insulation shielding devices. It includes: a fixing sleeve, fitted onto the top of the insulator body, with cable-passing grooves on both sides; and a shielding assembly, disposed on the side of the fixing sleeve, comprising multiple hard and soft covers; the multiple hard and soft covers are sequentially and alternately connected to form a hollow sleeve structure, which can be opened and closed relative to each other at its radial midpoint to secure it to the cable; and the hollow sleeve structure has two switchable states: a bent state and a rigid straight state. This telescopic live-line working insulation shielding device with an insulator as the fixing point improves the safety and shielding reliability of live-line work by alternately splicing hard and soft covers to form the shielding assembly.
Owner:国网安徽省电力有限公司泗县供电公司

Movable transformer performance detection device and transformer detection method

The invention discloses a movable transformer performance detection device and a transformer detection method, and relates to the technical field of transformer detection. According to the movable transformer performance detection device and the transformer detection method, a detection bin is included, a lifting mechanism is arranged at the front end of the detection bin, a lower base serves as a main body of the detection bin, and a driving object feeding rod and a driven object feeding rod are arranged at the front end and the rear end in the lower base correspondingly; the two ends of the driving feeding rod and the two ends of the driven feeding rod are matched with kidney-shaped holes in the left end and the right end of the interior of the lower base, driving synchronous wheels are connected to the two sides of the driving feeding rod, driven synchronous wheels are connected to the two sides of the driven feeding rod, and synchronous conveying belts are connected between the driven synchronous wheels and the driving synchronous wheels. A supporting plate is arranged on the lower portion of the interior of the lower base, the upper end of the supporting plate is connected with a four-column guide frame, the upper end of the four-column guide frame is connected with a stabilizing plate, and the interior of the four-column guide frame is connected with a moving plate.
Owner:SUZHOU LINGCHENG ELECTRIC CO LTD

Water and electricity cogeneration system for coupling waste heat utilization and seawater desalination of power station and working method thereof

According to the water and electricity cogeneration system for coupling power station waste heat utilization with seawater desalination and the working method of the water and electricity cogeneration system, the hot-method seawater desalination cost is reduced, the comprehensive energy consumption is reduced, and meanwhile heat supply steam and electric energy can be generated by the system to serve as supplement of plant steam and plant electric energy. A steam exhaust port of the low-back-pressure steam turbine is connected with a shell side inlet of the seawater desalination front heat exchanger, and a shell side outlet of the seawater desalination front heat exchanger is connected with a condensed water pipeline; water side inlets of the seawater desalination front heat exchanger and the boiler flue gas heat exchanger are connected with a cold circulation heat medium water pipeline, and water side outlets of the seawater desalination front heat exchanger and the boiler flue gas heat exchanger are connected with a heat circulation heat medium water pipeline; the cold circulation heat medium water pipeline is connected with a water outlet of the seawater desalination heat exchanger, and the hot circulation heat medium water pipeline is connected with a water inlet of the seawater desalination heat exchanger; a boiler air pre-heater outlet flue gas pipeline is connected to a boiler flue gas heat exchanger, the boiler flue gas heat exchanger is connected with a dust remover, and the dust remover is connected with a desulfurization device.
Owner:CHINA UNITED ENG

Star-shaped honeycomb structure with gradient stiffness and application thereof

PendingCN121953024ASignificant negative Poisson's ratio effectExcellent shear modulusSpringsNon-rotating vibration suppressionHoneycomb structurePoisson's ratio
The invention discloses a three-dimensional star-shaped negative Poisson's ratio honeycomb structure with gradient stiffness. The three-dimensional star-shaped negative Poisson's ratio honeycomb structure is formed by stacking a plurality of star-shaped negative Poisson's ratio honeycomb two-dimensional arrays; the star-shaped negative Poisson's ratio honeycomb two-dimensional array comprises a plurality of primary star-shaped negative Poisson's ratio honeycomb cells; primary star-shaped negative Poisson's ratio honeycomb cells in adjacent star-shaped negative Poisson's ratio honeycomb two-dimensional arrays are arranged in an array in an orthogonal stacking manner to form a three-dimensional star-shaped negative Poisson's ratio honeycomb structure; the first-stage star-shaped negative poisson ratio honeycomb cell element comprises four concave arms distributed in a cross shape, and each concave arm comprises an external straight beam and two internal folding beams connected to the two sides of the external straight beam; the four concave arms are connected through the internal folding beams to form a first-stage star-shaped negative poisson ratio honeycomb cell element; the gradient stiffness is realized through the following setting: the thickness of the internal star-shaped negative Poisson's ratio honeycomb two-dimensional array is greater than that of the outermost side. The structure provided by the invention has potential application in preparation of auxetic metamaterials and impact-resistant protective materials.
Owner:HARBIN INST OF TECH

Composite membrane adsorbent material, method for preparing same, and use thereof

PendingCN122499771AReduce mass transfer resistanceKong Dodai
This invention provides a composite membrane adsorbent material, its preparation method, and its application. IRMof-16 material is uniformly dispersed and loaded onto a PVP nanofiber membrane prepared by electrospinning using a spray-doping method. The IRMof-16 material is prepared by dissolving a zinc salt in an organic solvent and dissolving p-terphenyl-4,4′-dicarboxylic acid in anhydrous ethanol. The two solutions are then mixed and subjected to a hydrothermal reaction to obtain the IRMof-16 material. The IRMof-16 material of this invention possesses a high specific surface area, suitable pore size, and abundant active sites. Combined with the high permeability of the PVP nanofiber membrane, it synergistically achieves highly efficient and selective adsorption of C4F7N decomposition products, significantly outperforming traditional adsorbent materials. IRMof-16 itself exhibits excellent hydrothermal and chemical stability, forming a weak coordination interaction with the PVP nanofiber membrane, greatly enhancing the mechanical strength and load stability of the composite membrane. The moisture resistance of PVP allows the composite membrane to withstand the humid environment of power equipment, with a capacity retention rate ≥93% after 5 cycles of adsorption, resulting in a long service life.
Owner:STATE GRID ANHUI ELECTRIC POWER CO LTD ELECTRIC POWER SCI RES INST

Lifting mechanism for stacking of multiple layers of articles

ActiveCN224212347UMeets stacked loading requirementsMeet stack offload requirementsLifting framesStructural engineeringMechanical engineering
The utility model discloses a lifting mechanism for stacking multiple layers of articles, which comprises a total framework, at least two movable platforms and lifting components, the movable platforms and the lifting components are arranged on the total framework, the at least two movable platforms are horizontally arranged and are arranged at intervals along the vertical direction, the number of the lifting components corresponds to the movable platforms, and the number of the lifting components corresponds to the number of the movable platforms. The lifting assembly can lift the two ends of the movable platform at the same time. The movable platform comprises a telescopic driving part arranged at the lifting end of the lifting assembly and a first platform arranged at the driving end of the telescopic driving part, and the telescopic driving part is used for driving the first platform to move horizontally; a first lifting assembly is arranged at the top of the main framework and used for lifting objects to the first platform. According to the utility model, the loading and unloading requirements of stacking of multiple layers of articles can be effectively met.
Owner:CHONGQING NANFANG DIMA SPECIAL VEHICLE CO LTD

Microsphere composition and method of making same, and use in making contrast agents and drugs

PendingCN122075746AEnsure decentralized control capabilitiesReduce Diffusion LossNervous disorderEchographic/ultrasound-imaging preparationsMicrospherePharmaceutical drug
This invention relates to the field of biomedical technology, providing a microsphere composition and its preparation method, as well as its application in the preparation of contrast agents and drugs. The microsphere composition includes a microsphere dispersant and microsphere particles; the microsphere particles include a shell and a core; the shell comprises a lipid mixture consisting of charged lipids and auxiliary lipids; the core comprises an optional therapeutic gas, and one or both of an inert gas or inert liquid; the molar amount of charged lipids is ≤60% based on the total molar amount of the lipid mixture; the pH value of the microsphere dispersant is 5-6.9. The microsphere particles of this invention can efficiently load therapeutic gases and conventional drugs, precisely target their application, exhibit excellent stability, and have high biocompatibility.
Owner:BEIJING KEJIE HUALE SCI & TECH +1

Ton bag convenient for turning over materials

The utility model relates to a ton bag convenient to turn over materials, in particular to the technical field of labor and material property transportation, which is provided with foldable supporting foot columns, guide limiting rings, crossed reinforcing rib plates and the like and connected through rotary hinges between the foldable supporting foot columns and a rigid supporting frame. The foldable supporting foot columns can form stable included angles with the ground when being unfolded through the linkage inhaul cable assembly and the limiting and guiding effects of the guiding limiting rings on the linkage inhaul cable assembly, stable supporting is provided for the ton bag, and meanwhile the guiding limiting rings ensure that the motion trail of the linkage inhaul cable assembly is accurate. The crossed reinforcing rib plates in the rigid supporting frame form a #-shaped bearing structure, so that the overall rigidity is enhanced. The movable discharging bottom plate is made of polyurethane reinforced fabric composite materials and provided with anti-sliding protruding lines, durability and material bearing stability are improved, and then the effects that the device can achieve stable supporting and precise linkage and safely and efficiently complete material overturning and bearing are achieved.
Owner:FUJIAN SHANGSHENG ENVIRONMENTAL PROTECTION TECH CO LTD

A polishing device for processing a scope accessory

ActiveCN224765016UEliminate radial micro-oscillationEliminate axial movement
The utility model relates to the technical field of sighting telescope accessory processing, specifically relates to a kind of polishing device for sighting telescope accessory processing, and recessed groove and circumferential positioning hole with slot are set in polishing wheel top end;When the clamping plate is embedded into the recessed groove, the positioning pin at the bottom of the clamping plate is inserted into the positioning hole to prevent radial displacement, and the shaft is locked axially by the bottom nut after the screw is inserted into the slot;The clamping plate is connected to the output end of the driving motor to transmit torque;The driving mechanism is connected to the first internal thread block through the L-shaped plate, and the height of the polishing wheel is adjusted by the vertical screw mechanism of the first sliding table;The second sliding table is arranged on the other side of the supporting table, and the workpiece spacing is adjusted by the horizontal screw mechanism and the rotating disc, and the workpiece clamp is installed in the rotating disc fixing hole;The full end surface cooperation of recessed groove and clamping plate improves the bearing stability, the screw nut bidirectional constraint eliminates vibration loosening, and the positioning pin resists radial shear force;This structure ensures high-speed polishing zero deviation and zero movement, improves the surface processing quality of optical accessory and operation safety.
Owner:CHONGQING YIBO MASCH CO LTD

Traffic light with protection mechanism

The invention relates to the technical field of traffic management, and discloses a traffic light with a protection mechanism, which comprises a loading shell, roller parts fixedly connected to two sides of the bottom of the loading shell, a cabinet door rotatably connected to the top end of the inner wall of the loading shell, and a protection lifting mechanism, the protection lifting mechanism comprises an electric telescopic rod fixedly connected to the bottom of the inner wall of the loading shell, the movable end of the electric telescopic rod is fixedly connected with a protection frame, the bottom of the inner wall of the protection frame is fixedly connected with a traffic light, special-shaped holes are formed in the two sides of the bottom, close to the roller parts, of the loading shell correspondingly, and a stabilizing assembly is arranged at the bottom of the protection frame. The device is moved to a working area, the electric telescopic rod is started, the electric telescopic rod drives the protection frame to ascend, the protection frame drives the traffic light to ascend, when the protection frame moves upwards, the protection frame makes contact with the bottom of the cabinet door, the closed cabinet door is opened, the traffic light continues to move upwards, and therefore traffic is commanded.
Owner:JIANGSU BANLANG INTELLIGENCE ENERGY SAVING ENVIRONMENT-PROTECTION EQUIP CO LTD

Antibacterial intelligent sofa fabric integrated with temperature sensor and control method thereof

This invention discloses an antibacterial smart sofa fabric with integrated temperature sensing and its control method, belonging to the field of temperature measurement technology. The invention includes the following: an antibacterial fabric base layer loaded with antibacterial particles, forming a double-layer structure and bonded together; a temperature sensing integrated module with a temperature sensor integrated between the fabric base layers; an intelligent control module with a microcontroller as its core, receiving data and outputting control commands; a power supply module including a battery and a wireless charging coil, featuring protection functions and low battery warnings; a human-machine interaction module with a display screen and physical buttons displaying core information; a data storage module using a storage chip to store relevant operational data; and an antibacterial enhancement and control module including atomization and airflow circulation units, automatically activating when antibacterial activity is insufficient. This invention provides stable and long-lasting antibacterial performance, maintaining a long-term antibacterial effect through a dynamic enhancement mechanism. Distributed sensing and environmental compensation design improve measurement reliability, and multimodal interaction is convenient, adapting to different usage scenarios.
Owner:JIANGSU YIKANG INTELLIGENT TECHNOLOGY CO LTD