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30results about How to "Good structural support" patented technology
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Two-dimensional fiber grating acceleration sensor and acceleration measurement method
PendingCN119355297Agood structural supportreduce volumeAcceleration measurement using interia forcesSpeed/acceleration/shock instrument detailsCantilevered beamFiber
The invention relates to the field of vibration acceleration measurement, and discloses a two-dimensional fiber grating acceleration sensor and an acceleration measurement method.The sensor comprises a square plane rotating body, bases are arranged at the four corners of the rotating body in a forward extending mode, and each base is provided with a sensing unit; the sensing unit comprises cantilever beams, a mass block and an optical fiber, the fixed ends of the cantilever beams are installed on the base, the movable ends of the cantilever beams are connected with the mass block, and the four cantilever beams are parallel to the four edges of the square respectively; an optical fiber is arranged between the mass block and the base where the mass block is located, and an optical fiber grating is engraved in the middle of the optical fiber. The sensor structure disclosed by the invention has good stability, can reduce the influence of environments such as water flow erosion and the like, is compact in structure, realizes automatic temperature compensation while increasing the sensitivity, can resist Z-direction interference, and is suitable for being mounted in severe environments such as narrow space, high temperature and high pressure, strong electromagnetic interference and the like.
Owner:OCEANOGRAPHIC INSTR RES INST SHANDONG ACAD OF SCI
Preparation method of alumina-based crucible for high-temperature alloy smelting
PendingCN119430880AImprove thermal shock resistanceno crackCharge treatment typeCrucible furnacesStress concentrationCrucible
According to the preparation method of the alumina-based crucible for high-temperature alloy smelting, through reasonable design of the grain composition of the alumina powder raw material, formation of uniformly-distributed air holes in the crucible is promoted, the thermal shock resistance of the crucible is improved, crack expansion of the crucible in a rapid cooling and rapid heating environment is prevented, and the crucible is free of cracks after being used; by adding the coarse particles, better structural support can be provided, and thermal stress concentration is reduced, so that the thermal shock resistance of the crucible is enhanced; the aluminum oxide powder is high in lattice energy and stable in crystal structure, particle diffusion needs high activity, and the strength of the crucible is improved by adding the sintering aid.
Owner:AVIC ARMOR TECH CO LTD
Modified thermoplastic polyurethane elastomer foamed bead as well as preparation method and application thereof
PendingCN119639070Aimprove performanceprevent collapseBulk chemical productionPolymer scienceThermoplastic elastomer
The invention discloses modified thermoplastic polyurethane elastomer foamed beads and a preparation method and application thereof, and the preparation method comprises the following steps: (1) stirring and mixing a thermoplastic polyurethane elastomer, a long-carbon-chain polyamide thermoplastic elastomer and a processing aid, and then extruding and granulating to obtain modified thermoplastic polyurethane elastomer foamed particles; (2) putting the foaming particles and water into a high-pressure reaction kettle, stirring, then filling supercritical fluid, heating the high-pressure reaction kettle to the softening temperature of the foaming particles of the modified thermoplastic polyurethane elastomer, and enabling the modified thermoplastic polyurethane elastomer to reach a saturated state, so as to obtain a polymer-supercritical fluid homogeneous system; and (3) performing pressure relief foaming on the polymer-supercritical fluid homogeneous system to obtain the modified thermoplastic polyurethane elastomer foamed beads. The prepared modified thermoplastic polyurethane elastomer foamed beads are high in setting rate and low in shrinkage rate, the foaming processing efficiency is remarkably improved, and a foamed material which is round in appearance, low in density and high in resilience is obtained.
Owner:INST OF CHEM CHINESE ACAD OF SCI
CCD camera lifting support with height adjustment facilitated
This utility model discloses a height-adjustable CCD camera lifting bracket, relating to the field of CCD camera technology. It includes a main support assembly and an adjustment assembly. Auxiliary frame assemblies are connected and installed on both the left and right sides of the main support assembly. The adjustment assembly is vertically installed in the middle of the front side of the main support assembly, and the camera assembly is installed at the bottom of the adjustment assembly. This height-adjustable CCD camera lifting bracket, through the structural design of the adjustment assembly in conjunction with the main support assembly, and utilizing the structure of sliders and guide rails, allows for vertical height adjustment of the camera assembly while ensuring sufficient structural stability of the camera assembly, minimizing swaying during operation. Furthermore, the structural design of the main support assembly assists the auxiliary frame assembly in providing stable structural support, thereby ensuring the overall stability of the device.
Owner:EKRON INTELLIGENT TECH (SUZHOU) CO LTD
Three-axis FBG acceleration measuring device and measuring method
ActiveCN119642955Aavoid deformationReduce deformationSubsonic/sonic/ultrasonic wave measurementUsing wave/particle radiation meansCantilevered beamRight triangle
The invention relates to the field of vibration acceleration measurement, and discloses a three-axis FBG acceleration measurement device and measurement method.The measurement device comprises a solid shell of an isosceles right triangle structure, cavities are formed in the three edges of the solid shell respectively, FBG measurement units are arranged in the cavities respectively, each FBG measurement unit comprises a cantilever beam, a mass block and an optical fiber, and the mass block is connected with the cantilever beam. An FBG is engraved in the middle of the optical fiber; one end of the cantilever beam is fixed on the side surface of the cavity of the solid shell, and the other end is connected to the mass block; a groove is formed in the bottom of the cavity, and the mass block is embedded in the groove and can slide in the groove in the length direction of the cantilever beam; the whole optical fiber is pasted on the surface of the cantilever beam, and two ends are respectively fixed on the mass block and the side surface of the cavity of the solid shell. The device disclosed by the invention can realize accurate measurement of three-component acceleration, is stable in structure, and can reduce environmental influences such as wind resistance and water flow erosion.
Owner:OCEANOGRAPHIC INSTR RES INST SHANDONG ACAD OF SCI +1
Sensors and packaging components
ActiveCN111217318Breduce volumelow costSolid-state devicesForming microstructural systemsRedistribution layerElectrical connection
The present invention discloses a sensor packaging component, comprising: a redistribution layer, which comprises a first surface and a second surface opposite to each other; a first tube core, which is electrically connected to the first surface of the redistribution layer; a molding compound, which comprises a third surface and a fourth surface opposite to each other, the third surface of the molding compound being combined with the first surface of the redistribution layer; the molding compound encapsulating the first tube core on the first surface side of the redistribution layer; and a sensor element, which is electrically connected to the redistribution layer. The sensor packaging component allows more components to be packaged together, and provides better structural support or better heat distribution for the packaging component, while reducing the volume and cost of the entire packaging component.
Owner:ROBERT BOSCH GMBH
Nested assembly internal fixation device for the lateral tibial plateau
The present invention discloses a nested assembly type internal fixation device for the outer side of the tibial plateau, comprising a titanium alloy steel plate, a proximal absorbable module and a top pressure reduction locking absorbable rod, a window top pressure reduction area corresponding to the collapsed area of the tibial plateau articular surface is provided on the titanium alloy steel plate close to the lateral bone surface of the tibia, a steel plate proximal locking hole is provided on the proximal side of the window top pressure reduction area, and a steel plate sliding pressurizing hole is provided on the distal side; a proximal absorbable module is embedded and installed in the window top pressure reduction area, an absorbable polylactic acid ring is embedded in the proximal module micro-motion hole on the proximal absorbable module, the top pressure reduction locking absorbable rod is driven into the collapsed area of the tibial plateau articular surface through the proximal module micro-motion hole, and the tail of the top pressure reduction locking absorbable rod is threadedly connected with the absorbable polylactic acid ring, so as to realize micro-motion connection and lock the proximal absorbable module to maintain top pressure reduction. The internal fixation device of the present invention is patient-friendly, can be customized, is convenient for window top pressure reduction of the articular surface and effectively maintains fixation.
Owner:NANJING FIRST HOSPITAL
Mouse cage with elastic cage frame
ActiveCN224178873Ureduce injuriesThe role of good structural elastic bufferingAnimal housingEnergy absorptionClassical mechanics
The utility model discloses a mouse cage with an elastic cage frame, which relates to the technical field of mouse cages and comprises a central cage and a buffer column component, an upper plate component is arranged at the top of the central cage, and a base component is arranged at the bottom of the central cage. The buffer column assemblies are vertically installed at the four opposite angles between the upper plate component and the base component. According to the mouse cage with the elastic cage frame, the four groups of buffer column assemblies are vertically arranged between the upper plate component and the base component which are arranged on the upper side and the lower side of the central cage, and the elastic telescopic structures of the buffer column assemblies are utilized, so that good structural support can be provided for the whole cage, and meanwhile, energy absorption and buffering within a certain range can be realized; by matching with the structural arrangement of the upper plate component and the base component, the external acting force borne by the central cage can be effectively reduced, and the central supporting column plays a role in structural auxiliary supporting and elastic energy absorption.
Owner:YOUSHU LIFE TECHNOLOGY (SHANGHAI) CO LTD
Carbon fiber plate reinforcing structure
The utility model discloses a carbon fiber plate reinforcing structure, and belongs to the technical field of carbon fiber reinforcement. Comprising two sets of bearing arms and adjusting arms, the adjusting arms are arranged at the two ends of each bearing arm, connecting buckles are arranged at the ends, away from the bearing arms, of the adjusting arms, the connecting buckles are movably connected with the adjusting arms, pin shafts are arranged at the ends, close to the bearing arms, of the adjusting arms, and the adjusting arms are movably connected with the bearing arms through the pin shafts. Telescopic sleeves and telescopic rods are arranged between the two bearing arms and between the two adjusting arms, the telescopic rods can be inserted into the telescopic sleeves and are in sliding connection with the telescopic sleeves, and multiple sets of inserting holes are formed in the side walls of the telescopic rods at equal intervals. According to the utility model, not only can the carbon fiber plates with different heights and different use angles be conveniently adjusted and adapted, but also structural support can be conveniently provided for the carbon fiber plates to prevent the carbon fiber plates from deforming or falling off, and the use flexibility and stability are improved.
Owner:ZHEJIANG XINQIU TECH CO LTD
Novel filler supporting structure
ActiveCN222481247Ugood structural supportReduce maintenance costsSustainable biological treatmentTrickle coolersSpot weldingFastener
The utility model provides a novel filler supporting structure, and belongs to the technical field of filler supporting. The novel packing supporting structure comprises a cylinder wall, the cylinder wall is provided with a supporting mechanism, the supporting mechanism comprises a fixing ring, a bolt, a pore plate, a silk screen and a steel plate screen, and the fixing ring is welded to the cylinder wall; the bolt is fixedly connected with the fixing ring through spot welding; the hole plate penetrates through the bolt; the silk screen is laid on the top of the pore plate; the supporting mechanism is arranged, the fixing ring, the steel plate net, the pore plate and the fasteners are additionally arranged on the basis of an original structure, the fixing ring, the pore plate and the steel plate net are used for clamping the silk screen, the supporting effect is achieved, compared with a common filler supporting structure, the supporting effect of the structure is better, the silk screen does not make direct contact with filler, and the supporting effect is good. The silk screen is more durable, so that the maintenance cost and the maintenance time are reduced.
Owner:SHAANXI ZIZHAO EQUIP MFG
Leveling mechanism for semiconductor packaging
ActiveCN222281945UStrong limit abilityImprove stabilitySemiconductor/solid-state device manufacturingSemiconductor packageEngineering physics
The utility model discloses a leveling mechanism for semiconductor packaging in the technical field of leveling devices, which comprises a base, first support blocks are fixedly connected between two sides of the base far away from each other, the tops of the plurality of first support blocks are fixedly connected with adjusting mechanisms, a first motor is arranged on one side of the middle of one side of the base far away from the first support blocks, and a second motor is arranged on the other side of the base far away from the first support blocks. A bearing disc is fixedly connected to the middle of the top of the base, and a machined product is arranged in the middle of the top of the bearing disc. The leveling mechanism for semiconductor packaging has the remarkable characteristics of high fixity during processing, small error, high device stability and the like.
Owner:SHENZHEN YIHAO PRECISION SEMICON EQUIP CO LTD
A mica sheet batch production lamination device
This utility model discloses a mica sheet mass production stacking device, relating to the field of mica sheet production technology. It includes a base assembly and a support column assembly. Support column assemblies are vertically installed on the left and right sides of the base assembly, and a combined column assembly is vertically connected to the upper end of each support column assembly. Stacking components are connected to the surface of the combined column assembly. This mica sheet mass production stacking device, by symmetrically installing support column assemblies at both ends of the base assembly, provides good structural support and auxiliary stability to the combined column assembly. Furthermore, the structure allows for easy separation of the support column assembly and the combined column assembly, facilitating flexible adjustment of the number of stacking components to meet different processing needs. This also facilitates structural assistance in the mass production of mica sheets, resulting in a structure that combines both structural flexibility and stability.
Owner:PINGJIANG COUNTY YUEFENG MICA NEW MATERIAL CO LTD
Lens module base processing technology
The invention discloses a lens module base processing technology, a lens module base comprises a base body, a contact terminal and a conductive member, the contact terminal is installed on the surface of the base body, and the exposed part of the contact terminal is provided with a super-smooth surface; the method sequentially comprises the following steps that a terminal blank piece with the surface covered with a protective film is subjected to film-carrying punch forming, and a first transition piece is obtained; the first transition piece is placed in a hydrocarbon cleaning solvent of a hydrocarbon cleaning machine to be cleaned, and demolding is conducted; the first outer frame on the first transition piece is cut and removed; performing punch forming on the conductive blank to obtain a second transition piece; electroplating the surface of the second transition piece; tailor-welding the first transition piece to the second transition piece; a second transition piece in the combined piece is partially bent; performing injection molding on the assembly to obtain a base blank; and cutting the waste material on the base blank to obtain the lens module base. According to the process, the problem that the super-smooth surface on the lens module base is easy to damage in the machining process can be solved.
Owner:NINGBO BEILONG PRECISION MOLDING
A composite insulation board cutting device
ActiveCN224275230Ueasy to moveImprove structural stabilityMetal working apparatusClassical mechanicsCircular saw
This utility model relates to a composite insulation board cutting device, including an operating platform, a track, a limiting slide plate, a cutting drive unit, a circular saw, and a movable frame. The operating platform has a cutting strip hole. The track and the limiting slide plate are both horizontally fixed below the operating platform and are arranged parallel to the cutting strip hole. The cutting drive unit is mounted on the movable frame, and its drive end is connected to the circular saw. A portion of the circular saw extends upward from the cutting strip hole and is located above the operating platform. The movable frame has a first roller and a second roller. The first roller is rotatably connected to the track, and the second roller is rotatably connected to the bottom surface of the limiting slide plate along the length of the track. At least one side of the movable frame is also fixed with an operating handle, the height of which is not lower than the height of the operating platform. This utility model is simple and labor-saving to operate, and allows for convenient adjustment of the cutting speed at any time.
Owner:CCCC RUITONG CONSTR ENG CO LTD +1
A fixed position spacer sleeve
ActiveCN224313589UQuick combination connectionpromote circulationFurnace typesHeat treatment furnacesMetalworkingRound bar
The utility model discloses a fixed position spacer, it relates to metal processing technical field, including mesh tooling, spacer component and combined component, the surface of mesh tooling is movable and inserts spacer component, the combined component is perpendicular and inserts four diagonal places of mesh tooling, the spacer component includes spacer main part, fixed stake, first link stake and second link stake. This fixed position spacer, through being provided with spacer component, using its structure can assist directly inserting product on the surface of mesh tooling, to form fixed anchor point, to control the position of product loading, can prevent the arbitrary rolling of round bar product, and its upper portion can bear certain gravity, and cooperate the structural setting of combined component, can make the mutual superposition of many mesh tooling uses, can provide effective support effect to upper mesh tooling as auxiliary support simultaneously, to guarantee the use stability of device structure, provides enough use flexibility simultaneously.
Owner:SHANGHAI FENGDONG HEAT TREATMENT ENGINEERING CO LTD
Electronic devices, high electron mobility transistors, and methods of making the same
ActiveCN115472501Bgood application effectReduce parasitic capacitanceHeterojunctionParasitic capacitance
The present disclosure provides an electronic device, a high electron mobility transistor and a preparation method thereof. The preparation method comprises: forming a heterojunction structure on a substrate; forming a first dielectric layer, a sacrificial layer, a second dielectric layer and a protective layer in a gate region, the first dielectric layer, the sacrificial layer and the second dielectric layer are arranged in layers, and the protective layer covers the sidewall of the sacrificial layer; forming a groove penetrating through the second dielectric layer and the sacrificial layer; forming a third dielectric layer, the third dielectric layer conformally covers the groove; forming a gate on the third dielectric layer; removing the sacrificial layer, the part of the third dielectric layer located on the sidewall of the groove, the protective layer and the first dielectric layer form a recess; forming a fourth dielectric layer filling the recess, and the part of the fourth dielectric layer located in the recess is provided with an air gap. The present disclosure can reduce the parasitic capacitance.
Owner:HATCHIP CO LTD
Waterproof structure for water conservancy construction
The utility model discloses a water conservancy construction waterproof structure, including waterproof subassembly, the front of waterproof subassembly is connected with two positioning frames, two the side of mutual approach of positioning frame all inlaying has the sliding frame, the inner wall of each sliding frame all slidingly connected with the plugboard, the upper surface of each plugboard all is connected with the positioning cylinder. The device provides structural support when using through the design of base plate, the design of support net is convenient for enhancing the strength of the device whole, according to the design of PVC waterproof board, it is convenient to play the waterproof barrier function, the cooperation of plugboard and spigot is convenient for plugboard to carry out the location to the plug, then according to the connecting relationship of threaded rod and threaded cylinder, it is favorable for threaded rod to insert the plugboard locking inside positioning cylinder, the cooperation of above-mentioned, thereby convenient to the waterproof subassembly is assembled and disassembled, and it is convenient to dismantle and transport the device in later period, reduces the work burden of staff simultaneously.
Owner:GUANGXI HUATAI CONSTR GRP CO LTD
Filter screen supporting structure for oil separator
ActiveCN224230408UFixed connection is firmReduce the chance of deformation and damageRefrigeration componentsControl engineeringOil separation
Owner:QINGDAO BEILADE REFRIGERATION PARTS CO LTD
A lithium / sodium ion battery adhesive based on silsesquioxane and a preparation method and application thereof
PendingCN122381770AImprove ionic conductivityImprove mechanical stabilityPtru catalystElectrical battery
The application discloses a lithium / sodium ion battery adhesive based on silsesquioxane and a preparation method and application thereof, and belongs to the technical field of new energy materials. The preparation method is as follows: a solvent, a cage-type silsesquioxane, mixed monomers and a catalyst are mixed, water and oxygen in a reaction system are removed; and the reaction is carried out under the protection of nitrogen or argon, so that the lithium / sodium ion battery adhesive based on silsesquioxane is obtained. The adhesive is obtained through one-step reaction, and has good bonding effect and negative electrode capacity improvement effect on lithium ion batteries and sodium ion batteries.
Owner:NANJING UNIV
A flexible copper clad laminate
ActiveCN224319587Ugood structural supportavoid bending deformationCircuit susbtrate materialsComposite materialCeramic materials
This utility model discloses a bend-resistant copper-clad laminate, including a bend-resistant copper-clad laminate. By incorporating the bend-resistant copper-clad laminate, during assembly, the top and bottom reinforcing frames are first flipped open in opposite directions via an elastic connection. Then, the copper-clad laminate body is placed on the top surface of the bottom reinforcing frame. During this process, the copper-clad laminate body is fitted onto the outside of the connecting post through the assembly hole. Subsequently, the top reinforcing frame is covered and fitted onto the edge of the top surface of the copper-clad laminate body, allowing the top reinforcing frame to be nested into the assembly hole and fitted onto the outside of the connecting post, thus completing the assembly of the bend-resistant copper-clad laminate. The top and bottom reinforcing frames provide good structural support for the copper-clad laminate body, preventing bending deformation caused by uneven stress.
Owner:ZHUHAI BENQIANG TECH CO LTD
Modularized suspended ceiling assembly and box-type substation
ActiveCN222463890UImprove conveniencefirmly connectedBus-bar/wiring layoutsCeilingsTransformerStructural engineering
The utility model discloses a modularized suspended ceiling assembly and a box-type transformer substation, and relates to the technical field of box-type transformer substations, the modularized suspended ceiling assembly comprises a box-type transformer substation assembly and a suspended ceiling module, the top of the box-type transformer substation assembly is provided with a beam frame assembly, and the bottom of a protective ceiling is connected with a keel frame group. And the ceiling module array is mounted at the bottom of the keel frame group. According to the modular ceiling assembly and the box-type transformer substation, through the use of the ceiling module, the top wiring in the box-type transformer substation assembly can be effectively and structurally shielded and protected, and meanwhile, the ceiling module is matched with the structural use of the keel frame group, so that the structural strength and stability are guaranteed, and meanwhile, the installation is convenient. In addition, structural gaps between the suspended ceiling modules are matched with ventilation opening structures formed in the left side and the right side of the beam frame assembly, and structural assistance of ventilation and heat dissipation can be provided for the interior of the box-type substation assembly.
Owner:SUZHOU SONGWU ELECTRIC POWER TECH CO LTD
A trimming forming apparatus for integrated circuit processing
This utility model discloses a lead cutting and forming device for integrated circuit processing, including a lead cutting assembly and a fixing frame assembly. A processing table component is horizontally mounted directly below the lead cutting assembly, and a material conveying assembly is horizontally mounted directly below the processing table component. The fixing frame assembly is connected to the front and rear ends of the left and right sides of the material conveying assembly. This lead cutting and forming device for integrated circuit processing, by providing fixing frame assemblies at the front and rear ends of both sides of the entire device, provides good structural restraint on both sides of the processing table component to ensure the stability of material processing. It also provides good structural support for the entire device and ensures its structural stability. Furthermore, the structural arrangement of the material conveying assembly in conjunction with the processing table component ensures efficient lead cutting while simultaneously separating material from waste.
Owner:HANGZHOU ZHENYING ELECTRONIC TECHNOLOGY CO LTD
Silicon-carbon negative electrode sheet, preparation method thereof and soft package lithium battery
This disclosure provides a silicon-carbon anode sheet, its preparation method, and a soft-pack lithium battery. The preparation method of the silicon-carbon anode sheet involves: dissolving water-soluble conductive polyaniline in an organic solvent, mixing it with CMC adhesive, and then mixing it with silicon-carbon slurry and a multifunctional organophosphonic acid crosslinking agent (mixing temperature: 15℃-25℃) to obtain an anode slurry; coating the anode slurry onto a negative current collector to obtain a silicon-carbon anode sheet semi-finished product; and sequentially subjecting the silicon-carbon anode sheet semi-finished product to pre-baking (90℃-120℃) and vacuum drying (70℃-90℃, time: 2h-5h) to obtain the silicon-carbon anode sheet. This method, by adding multifunctional organophosphonic acid crosslinking agents and water-soluble conductive polyaniline, facilitates the formation of a three-dimensional conductive suppression network with high conductivity, uniform and continuous conductivity, strong toughness and strong self-healing ability. This enhances the constraint on the negative electrode slurry, reduces the volume expansion rate to <15%, inhibits silicon-carbon cracking, and improves the self-healing ability of the three-dimensional conductive suppression network, thus broadening the application of high-capacity silicon-carbon negative electrode sheets in soft-pack lithium batteries.
Owner:MEIZHOU LIANGNENG NEW ENERGY SCI & TECHCO
Rubber sealing ring structure with long fatigue life
ActiveCN222479434Uovercome structural strengthhigh strengthEngine sealsSilica gelMechanical engineering
The utility model relates to the technical field of sealing rings, in particular to a long-fatigue-life rubber sealing ring structure which comprises a body, a first containing groove is formed in one side of the body, an outer lip is formed on the outer circle of the side, away from the first containing groove, of the body, and an inner lip is formed on the inner circle of the side, away from the first containing groove, of the body. A first containing groove is formed in the body, a second containing groove is formed between the outer lip and the inner lip, and a supporting inner core is formed in the body and arranged between the first containing groove and the second containing groove. The rubber sealing ring has the beneficial effects that a traditional rubber sealing ring structure is improved, the silica gel lining is compounded in the rubber sealing ring structure, the silica gel lining is good in rebound resilience and can provide good structural support, and the defects that the rubber structure strength is insufficient and the fatigue life is insufficient are overcome; the steel framework is added in the rubber sealing ring, so that the strength and the weight of the sealing ring are improved, and the sealing failure caused by pressure blowing or extrusion deformation during use is avoided.
Owner:NANJING KEMIKE TECHNOLOGY CO LTD
Large walk-in salt mist box
ActiveCN222152067Uincrease in sizeReasonable space allocationHeating or cooling apparatusWeather/light/corrosion resistanceInterior spaceThermodynamics
The utility model discloses a large walk-in type salt mist box which comprises a bearing bottom plate, a salt mist box shell and a functional area box shell which are communicated with each other are detachably connected to the bearing bottom plate, and the inner spaces of the salt mist box shell and the functional area box shell are divided into a test area, a waiting area and a circulation adjusting area by partition wall plates and partition plates. A first air opening and a second air opening are formed in the partition wall plate to connect the test area with the circulation adjusting area, a person passing hole is formed in the partition wall plate to connect the test area with the waiting area, a first heat preservation door is arranged on the side wall of the salt mist box shell, and a second heat preservation door is arranged on the side wall of the functional area box shell on the periphery of the waiting area; the test control device comprises a salt mist release spray head and a temperature and humidity adjusting pipe group, the salt mist release spray head is fixed in the test area, and the temperature and humidity adjusting pipe group is fixed in the circulation adjusting area. Parameter variables such as humidity and temperature in the salt spray box can be effectively and accurately adjusted according to test requirements.
Owner:SGS-CSTC STANDARDS TECH SERVICES (TIANJIN) CO LTD
Anti-seepage PIN connector terminal
ActiveCN222301036UEasy to store and transportConvenient thermal protectionRelieving strain on wire connectionSecuring/insulating coupling contact membersStructural engineeringMechanical engineering
The utility model discloses an anti-seepage PIN connector terminal, which relates to the technical field of connector terminals and comprises a terminal strip assembly and sealing covers, the sealing covers are arranged at the top of one side of the terminal strip assembly at equal intervals, and a change-over plug is movably inserted into the bottom of the terminal strip assembly. The upper end of the back side vertical face of the terminal strip assembly is horizontally connected with an upper reinforcing block, and a lower reinforcing block is arranged below the upper reinforcing block. According to the anti-seepage PIN connector terminal, through combined use of the terminal strip assembly and the sealing cover, structural damage caused by external factors can be effectively prevented from occurring when no line connection exists in the connecting pins, meanwhile, the condition that the interior of the protective shell is affected with damp and water seepage can be avoided through the simple structural arrangement of the sealing cover, the production cost is reduced, and the production efficiency is improved. And due to the use of the change-over plug, the whole terminal strip assembly can be butted with equipment by adopting different structures according to different use requirements, so that the overall use flexibility is ensured.
Owner:SHENZHEN PENG JI PRECISION IND CO LTD
High-water-absorptivity anti-freezing water-retaining agent with urea slow-release function as well as preparation method and application thereof
PendingCN121991289AImprove water absorptionImprove water retentionAgriculture tools and machinesOrganic fertilisersPtru catalystCross linker
The invention relates to the technical field of high polymer materials, in particular to a preparation method and application of a high-water-absorptivity anti-freezing water-retaining agent with a urea slow release function. The preparation method comprises the following steps: adding a cross-linking agent, a catalyst, urea, a photoinitiator and a polysaccharide solution into an aqueous solution of potassium acrylate and acrylamide, stirring, and carrying out photo-initiation polymerization to prepare the water-retaining agent with excellent water absorption, water retention, cycle stability, soil freezing resistance and slow release performance by a one-pot method, and the water-retaining agent has a wide application prospect in the field of agriculture.
Owner:QINGDAO NORUI NEW MATERIAL CO LTD +1
Aramid nanofiber-reinforced thermoplastic composite structural battery and thermoplastic structural electrolyte membrane and preparation method
The present application relates to a kind of aramid nanofiber reinforced thermoplastic composite structure battery and thermoplastic structure electrolyte membrane and preparation method, belong to structural energy storage and electrochemical energy storage technical field.The structure battery simultaneously uses carbon fiber composite material as electrode material and mechanical bearing structure, realizes the integrated processing forming of energy storage unit and force component.The composite structure electrolyte uses polymer composite system doped with cellulose derivative as matrix, introduces aramid nanofiber to obtain polymer composite structure electrolyte.The electrolyte has ion conduction function and structure support capacity, and can be integrated forming by hot-pressing composite process and structure electrode, with good thermoplastic processing performance and structural stability.Structure battery based on the composite structure electrolyte maintains excellent mechanical properties and electrochemical properties.The present application provides a new material system and technical scheme for the development of high-performance thermoplastic composite structure electrolyte and structure battery.
Owner:DONGHUA UNIV
A blood vessel support structure and artificial blood vessel
The present invention belongs to the field of medical device technology, and specifically relates to a vascular support structure and an artificial blood vessel including the vascular support structure. The vascular support structure is a 3D-printed grid structure, each grid includes four grid edges and four grid nodes; the grid nodes are divided into first-class nodes, second-class nodes, third-class nodes, and fourth-class nodes; the vascular support structure is axially divided into a middle bending area and end areas arranged on both sides; the number of nodes in the bending area is 1-3, the grid edges in this area are double-layer edges superimposed up and down, the superimposed cross-section is an oblate shape connected to each other, and the average superimposed wire height in this area is 1.2-1.8 times the wire diameter of the 3D-printed wire; the grid edges in the end area are single-layer edges. The bending area of the vascular support structure of the present invention has good bending performance, can bend to a large extent without bending, and has good support strength, which can better adapt to the natural curvature of blood vessels in the body and the different blood vessel directions.
Owner:AMET MEDICAL EQUIPMENT (ZHEJIANG) CO LTD
Method for preparing novel bumper material from waste polyolefin plastic
InactiveCN119286137AImprove cohesionHigh mechanical strengthPlastic recyclingPolymer sciencePolyolefin
The invention belongs to the field of environment-friendly materials, and particularly relates to a method for preparing a novel bumper material from waste polyolefin plastics, which comprises the following steps: S1, collecting waste polyolefin plastic particles; s2, cleaning, drying and crushing into small particles; s3, mixing the waste polyolefin plastic particles with a modified compound according to a certain proportion; s4, carrying out melt blending in a double-screw extruder; and S5, preparing the bumper material through injection molding and cooling shaping. All functional groups of the structure of the whole modified compound cooperate with one another, so that when the modified compound is used for preparing a novel bumper material, the modified compound can play multiple roles of enhancing binding force, flexibility, stability and the like through hydroxyl groups, and therefore the comprehensive performance of the material is improved.
Owner:HUNAN ZHONGKE NEW MATERIAL CO LTD