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Permanent and temporary combined assembly type underground structure plate wall connecting joint
ActiveCN224213363UGuaranteed Strengthensure safetyArtificial islandsUnderwater structuresSlurry wallArchitectural engineering
The utility model discloses a permanent and temporary combined assembly type underground structure plate wall connecting node which comprises an assembly type underground diaphragm wall, a full-length steel plate is installed on the side wall of the assembly type underground diaphragm wall, and a prefabricated structure plate is hoisted on the full-length steel plate. The gap between the prefabricated structural slab and the fabricated underground diaphragm wall is filled with ultra-high-performance concrete, and a steel bar structure is arranged in the ultra-high-performance concrete. According to the utility model, the rigid connection between the two prefabricated parts is realized, the integrity of the structure is improved, and the safety and durability of the underground structure are fully ensured; an underground diaphragm wall which is usually used as a temporary structure is changed into a permanent structure, so that the construction period is shortened, and the investment is saved; the ultra-high performance concrete poured in the joint can greatly shorten the anchoring length of the steel bars, enlarge the arrangement distance of the steel bars, obviously reduce the using amount of the steel bars on site and the binding workload, is convenient to install and simple in process, obviously improves the construction efficiency, and has high popularization and application value.
Owner:CHINA RAILWAY DESIGN GRP CO LTD
Production method of steel bar for heavy-load automobile half shaft
PendingCN121874660AImprove purityimprove performanceElectric furnaceProcess efficiency improvementNon-metallic inclusionsMechanical engineering
The invention belongs to the technical field of bar production, and particularly relates to a production method of a steel bar for a heavy-load automobile half axle, and the steel bar comprises the following chemical components in percentage by mass: 0.39-0.42% of C, 0.25-0.35% of Si, 1.45-1.70% of Mn, less than or equal to 0.013% of P, less than or equal to 0.006% of S, less than or equal to 0.25% of Cr, less than or equal to 0.25% of Ni, 0.15-0.20% of Mo, 0.06-0.10% of V, less than or equal to 0.15% of Cu and the balance of Fe and inevitable impurities. The method has the advantages that high-performance, high-purity and low-cost production of the steel bar for the heavy-duty automobile half shaft is realized through green short-process production of'ecological electric furnace + LF + RH + continuous casting 'in combination with low-carbon component design and a controlled rolling and controlled cooling process. And macrostructures and non-metallic inclusions of the finished steel meet the requirements of high-end products.
Owner:BENGANG STEEL PLATES CO LTD
Vehicle front end connection module and vehicle having the same
The utility model discloses a vehicle front end connecting module and vehicle with it, include: left front connecting beam and right front connecting beam, left front connecting beam and right front connecting beam are suitable for installing in the frame and along the width direction arrangement of frame, left front connecting beam front end and the front end of right front connecting beam are suitable for installing front anti -collision pole, left front connecting beam front end and right front connecting beam front end between suitable for accommodating cooling module, front crossbeam subassembly, one end of front crossbeam subassembly is connected in left front connecting beam's front end and is connected in the front end of right front connecting beam with another end, strengthen crossbeam, strengthen crossbeam is connected in left front connecting beam and the bottom of right front connecting beam, wherein, left front connecting beam and right front connecting beam and strengthen crossbeam are all castings, and the distance between left front connecting beam front end and right front connecting beam front end is 1050mm~1150mm. According to the vehicle front end connecting module of utility model embodiment, can accommodate greater cooling module, has the advantages such as high integrity, promotes structural strength, light weight.
Owner:BEIJING FOTONDAIMLER AUTOMOTIVE
An installation tool for aluminum alloy shafts
ActiveCN117449560Bconsistent spacingGuaranteed verticalityBuilding material handlingVertical ductsClassical mechanicsStructural engineering
This invention discloses an installation fixture for aluminum alloy wellbore systems, comprising four positioning fixtures respectively clamped and fixed to columns. Each positioning fixture also has two clamping ends, each clamped and fixed to two adjacent crossbeams. A connecting assembly is provided between adjacent positioning fixtures, a measuring assembly for measuring the distance between adjacent positioning fixtures is provided between adjacent positioning fixtures, and a position adjusting assembly for adjusting the position of the positioning fixtures is provided between the multiple positioning fixtures. This invention uses positioning fixtures to connect to the columns and crossbeams respectively, and adjusts the distance between adjacent fixtures through the connecting assembly to ensure that the distance between adjacent columns is consistent, thereby ensuring the fit between each crossbeam and column and avoiding large splicing seams between the crossbeams and columns that would affect stability. Simultaneously, the position adjusting assembly ensures that the center distance between the four columns and the position adjusting assembly is consistent, guaranteeing the strength and stability of the entire wellbore.
Owner:MATIZ INTELLIGENT EQUIP CO LTD
A composite cementitious material encapsulating chromium and a method of making the same
The application discloses a kind of solid sealing chromium composite cementitious material and preparation method thereof, solid sealing chromium composite cementitious material includes the following mass percentage of substance: 65wt.%~75wt.% of clinker with heavy metal content, 20wt.%~34wt.% of poly-element auxiliary cementitious material, the rest is gypsum;Total chromium content in clinker with heavy metal content is greater than 150mg / kg;Poly-element auxiliary cementitious material includes the following mass percentage of substance: 30wt.%~50wt.% of microbial mineralization steel slag powder, 20wt.%~40wt.% of metakaolin, the rest is fly ash;Microbial mineralization steel slag powder is prepared by carbonic anhydrase producing bacteria and steel slag powder carbon fixation grinding.The application is based on the synergistic effect between clinker with heavy metal and the overall chemical composition of poly-element composite auxiliary cementitious material, and the pH value of solidified body is reduced by secondary hydration.
Owner:SOUTHEAST UNIV
Medical zinc alloy with corrosion resistance and preparation method and application thereof
PendingCN122279289ASolve the serious galvanic corrosion phenomenonreduce corrosion rateChemical compositionBiomimetic coating
This invention relates to the field of zinc alloy surface modification technology, and particularly to a corrosion-resistant medical zinc alloy, its preparation method, and its applications. The preparation method includes the following steps: weighing raw materials according to the chemical composition of the zinc alloy; cleaning the surface of the raw materials; smelting, refining, and casting to obtain an ingot; subjecting the ingot to equal-channel angular extrusion deformation to obtain an extruded zinc alloy; performing high-energy ion implantation on the zinc alloy to obtain a nitrogen-ion-implanted zinc alloy; and preparing a coating on the surface of the nitrogen-ion-implanted zinc alloy to obtain the final product. This invention achieves a high-adhesion, dense, and uniform deposition effect on the alloy surface through the synergistic control of "equal-channel angular extrusion + high-energy nitrogen ion implantation + biomimetic coating deposition," solving the problem of severe galvanic corrosion at localized sites in existing zinc alloys under corrosive environments. Simultaneously, the dense deposition layer helps inhibit rapid dissolution of the zinc alloy surface, significantly reducing the corrosion rate of the zinc alloy in corrosive environments.
Owner:NORTH CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY
Building road and bridge pouring construction technology and device
InactiveCN121853441AImprove sealingSolve the problem of slurry leakageClimate change adaptationBridge erection/assemblyArchitectural engineeringHoneycomb
The invention discloses a building road and bridge pouring construction process and device. The building road and bridge pouring construction device comprises a plurality of road and bridge pouring formwork bodies which are transversely spliced together. Each splicing structure is arranged between every two adjacent road and bridge pouring formwork bodies and comprises a splicing block fixed to the surface of one side of the corresponding road and bridge pouring formwork body, a splicing groove formed in the surface of the other side of the corresponding road and bridge pouring formwork body and corresponding to the splicing block, and an outer side type locking structure arranged between the splicing block and the splicing groove; each sealing structure is arranged between every two adjacent road and bridge pouring template main bodies; according to the building road and bridge pouring construction technology and device, through the innovative splicing structure and sealing design, it is avoided that penetrating type screw holes are formed in the splicing positions of the formworks, the problems that concrete leaks from the screw holes and slurry leaks in the pouring process are fundamentally solved, the defects of honeycombs, pitted surfaces and the like on the surface of the concrete are effectively prevented, and the construction quality is improved. The appearance quality of the road and bridge structure is remarkably improved, the road and bridge structure is smoother and more attractive, and the sealing performance of the formwork is enhanced.
Owner:陈涛
A ballistic steel plate and a method for producing the same
This invention discloses a novel bulletproof steel plate with a thickness of 12-35mm, comprising the following chemical composition by weight percentage (unit: wt%): C: 0.25-0.28, Si: 1.20-1.40, Mn: 1.50-1.60, P: ≤0.007, S: ≤0.001, Cr: 0.50-0.60, B: 0.0015-0.0023, Ti: 0.03-0.04, with the remainder being Fe and residual elements; it eliminates the need for the addition of Ni, Mo, and rare earth elements, thus reducing alloy costs. In terms of production process, clean steel smelting is used to control the P and S content, thereby improving impact toughness; pressure quenching is employed with multi-point pressure application and reasonable distribution of water volume and pressure in each section of the high-pressure zone to achieve uniform cooling and flatness of the steel plate; furthermore, low-temperature tempering is used to effectively eliminate the influence of residual internal stress in the steel plate and improve the subsequent processing performance of the steel plate, such as cutting and welding. The resulting bulletproof steel has a tensile strength of 1700-1800MPa, a surface hardness of >500HBW, and an impact energy of >40J at -20℃, which fully meets the requirements for use of bulletproof steel plates.
Owner:NANYANG HANYE SPECIAL STEEL CO LTD
Crossing existing line door type pier cap beam construction platform and installation method thereof
The application discloses a kind of across existing line portal pier deck beam construction platform and its installation method, including double-layer bailey beam component;Double-layer bailey beam component includes two bailey beam assemblies erected in the transverse direction of main crossbeam at the both ends of main crossbeam, bailey beam assembly is oppositely spaced;Located in the lower layer of double-layer bailey beam component is provided with installation platform, and the lower layer main protective shed frame is arranged between the two bailey beam assemblies on installation platform, and the lower layer walking platform and the lower layer side protective shed frame are arranged outside the two bailey beam assemblies on installation platform;Located in the middle layer of double-layer bailey beam component is provided with middle layer support platform, and middle layer support platform is between the two bailey beam assemblies;Located in the upper layer of double-layer bailey beam component, upper layer walking platform and upper layer protective shed frame are respectively arranged at the upper end of the two bailey beam assemblies.Using protective structure composed of double-layer bailey frame component, the problem existing in deck beam support and protection in the construction of across existing line deck beam is well solved.
Owner:CHINA RAILWAY 23RD BUREAU GRP RAILTRANSIT ENG CO LTD +1
A punching die with ejector pin protection mechanism
This utility model belongs to the field of mold technology, specifically relating to a punching mold with an ejector pin protection mechanism. It includes a main body containing a mold core, and an outer mold shell for fixing internal mold components. A plum blossom pad is located below the main body. A ejector pin hole for mounting and allowing ejector pin movement is coaxially located at the lower end of the plum blossom pad. An ejector pin hole is coaxially located above the ejector pin hole. Multiple fan-shaped movable holes are arranged around the ejector pin hole, forming a protective block. Multiple mating holes are formed within the protective block. A plum blossom ejector pin and an ejector pin are located within the ejector pin hole. The plum blossom ejector pin has a main rod and multiple auxiliary rods that can be inserted into the mating holes. The main rod has notches and mating blocks corresponding to the protective block and movable holes around it. A limiting block is provided on the ejector pin, and a toothed cap is located below the plum blossom pad. Through the arrangement of these components, the ejector pin is completely protected and will not deform or break under stress.
Owner:DONGGUAN DONGLONG HARDWARE MOULD MASCH CO LTD
Three-dimensional plugging device for flue hanging hole
ActiveCN224149155UGuaranteed StrengthReduce risk of damageForms/shuttering/falseworksAuxillary members of forms/shuttering/falseworksClassical mechanicsPipe
The utility model provides a flue hanging hole three-dimensional plugging device, which belongs to the technical field of building construction and comprises a pre-buried frame, a first fixing block and a second fixing block, the first fixing block and the second fixing block are arranged on the pre-buried frame, a pressing strip is arranged on the side wall of the pre-buried frame, and the first fixing block is fixedly connected to the inner wall of one side of the pre-buried frame. A first positioning groove is formed in one end of the first fixing block, and a shaft groove is formed in one side of the first fixing block. According to the embedded box, the two mutually-spliced embedded frames are combined into the whole embedded box, the contact area of the single embedded frame and concrete is reduced when the single embedded frame is subjected to mold removal, meanwhile, friction force is correspondingly reduced instead of overall large friction force, and therefore the mold removal efficiency is improved, after the embedded frame is divided into the two parts, stress is dispersed, the embedded frame can be more evenly and controllably removed, and the mold removal efficiency is improved. The damage risk of the embedded frame and the concrete structure is reduced, meanwhile, the positioning assemblies arranged between the embedded boxes can guarantee the strength of the embedded frame after assembly, later disassembly is facilitated, and the overall disassembly and assembly efficiency is improved.
Owner:GUANGDONG LONGYUE CONSTR ENG CO LTD
Thermal insulation fabric heat treatment processing device and use method thereof
InactiveCN121797585AImprove heat treatment efficiencyImprove heat treatment effectPretreated surfacesCoatingsThermal insulationAir blower
The invention relates to the technical field of thermal insulation fabric processing, and provides a thermal insulation fabric heat treatment processing device and a use method thereof.The thermal insulation fabric heat treatment processing device is used for a thermal insulation fabric with the two side faces of base cloth coated with thermal insulation coatings and comprises a treatment box, and the thermal treatment processing device further comprises two installation pieces arranged on the side of a thermal insulation fabric conveying path, needle-shaped pipes parallel to the heat insulation fabric conveying path are arranged on the installation part, and exhaust grooves are formed in the pipe walls of the needle-shaped pipes. The air heater is used for conveying hot air flow into the needle-shaped pipe; the distance adjusting assembly is used for adjusting the distance between the two mounting pieces; the driving assembly is used for driving the mounting piece to move close to / far away from the heat insulation fabric, so that the needle-shaped pipe penetrates into the base cloth and is reset; heat is applied to the coating-base cloth bonding interface inside the base cloth, the time consumption is short, meanwhile, the heat intensity is fully guaranteed, and then the heat treatment efficiency and effect of the heat insulation fabric are improved.
Owner:SHANGHAI GAOFAN TECHNOLOGY CO LTD
A kefir active lactic acid bacteria bubble jelly drink and a preparation method thereof
PendingCN122096212Apure flavorGood odor controlMilk preparationMilking devicesBiotechnologyLactic acid bacterium
The application provides a preparation method of a kefir active lactic acid bacteria bubble jelly drink. Compared with the prior art, firstly, the mixed liquid of thickening agent and the like is subjected to ultrahigh pressure sterilization before inoculation, which ensures the smooth progress of the kefir fermentation process and does not cause pollution, and compared with other heat treatment sterilization processes, the sterilization process does not have a cooking smell, the base flavor after the kefir fermentation is purer, and the peculiar smell control is better; secondly, after the compound kefir starter is added to the jelly liquid for fermentation, sufficient bubbles are generated, and the product can maintain a certain strength after rewarming, providing a unique product taste and texture, which is different from the jelly drink after aeration, the product bubbles are generated during the fermentation process, and the taste is more natural; in addition, the application reduces the pH value of the base system during the fermentation process, reduces the use of part of the acidity regulator, and further improves the product gel strength.
Owner:INNER MONGOLIA YILI IND GROUP CO LTD
Shell structure, keyboard, electronic device and electronic device assembly
ActiveCN224176933UGuaranteed StrengthReduce breakage rateDigital data processing detailsSoftware engineeringElectrical connection
The utility model provides a shell structure, a keyboard, electronic equipment and an electronic equipment assembly. The shell structure comprises a shell and a bracket, the first face of the shell is used for being installed on a display screen, and the second face of the shell is provided with a support connected with the shell. Wherein the support can rotate relative to the shell so as to be in a closed state or an unfolded state, the support in the closed state can be stored on the second face, and the support is used for supporting the shell; the support is provided with a first connecting assembly, and the first connecting assembly is used for being connected with a keyboard so as to achieve electric connection between the display screen and the keyboard. The support is connected with the shell, and when the display screen is independently used, the support can serve as a supporting structure of the electronic equipment; the keyboard is connected with the first connecting assembly of the support, and the keyboard can serve as input equipment of the electronic equipment and can also serve as a supporting structure of the support to indirectly support the electronic equipment, so that the electronic equipment assembly can be suitable for more use scenes.
Owner:HUAWEI TECH CO LTD
Ultraradio frequency anti-aging transdermal collagen light beauty instrument
ActiveCN224070972UGuarantee stabilityEnsure long-term reliabilityElectrotherapyLight therapyMedicineSkin contact
The utility model provides an ultra-radio frequency anti-aging transdermal collagen light beauty instrument. The ultra-radio-frequency anti-aging transdermal collagen light beauty instrument comprises a shell, and a skin contact area is formed at one end of the shell; the optical assembly comprises a halogen lamp tube, a light filtering part and a light transmitting part which are sequentially arranged at intervals, the halogen lamp tube and the light filtering part are arranged in the shell, at least part of the light transmitting part is exposed out of the skin contact area, and the light filtering part allows near-infrared light emitted by the halogen lamp tube to pass through and prevents non-near-infrared light emitted by the halogen lamp tube from passing through; the light transmitting piece is used for enabling near-infrared light formed after filtering of the light filtering piece to irradiate out of the shell, the halogen lamp tube and the light filtering piece are arranged in parallel, and the distance between the halogen lamp tube and the light filtering piece is not smaller than 2 mm; the controller is arranged in the shell, and the halogen lamp tube is electrically connected with the controller so as to control the halogen lamp tube to work. According to the technical scheme, the problems that in the prior art, a beautifying instrument is low in use safety and poor in beautifying effect are solved.
Owner:ULIKE (SHENZHEN) SMART ELECTRONICS CO LTD
Preparation method of self-corrosion permeable pollutant blocking material for underground water treatment
PendingCN121990806AIntegrityGuaranteed StrengthSolid waste managementWater/sewage treatmentFiberGroundwater remediation
The invention provides a self-corrosion permeable pollutant blocking material for underground water treatment and a preparation method of the self-corrosion permeable pollutant blocking material, and belongs to the technical field of underground water remediation. The self-corrosion permeable pollutant blocking material for underground water treatment is prepared from the following components in percentage by mass: 25 to 35 percent of cement, 12 to 18 percent of 2CaSO4. H2O, 8 to 15 percent of fly ash, 25 to 30 percent of grading pore-forming aggregate, 14 to 18 percent of nano pore-forming aggregate, 1 to 1.5 percent of viscosity modifier, 0.5 to 1 percent of early strength agent and 3 to 4.5 percent of modified biomass fiber, a pore matrix is jointly built through grading pore-forming aggregate, nano pore-forming aggregate and modified biomass fibers, the grading pore-forming aggregate and the nano pore-forming aggregate have self-corrosion shells, the pore-forming aggregate is an inactive substance and does not participate in the reaction of silicate cement from the stage before grouting to the hardening stage, and after the material is completely hardened, the pore-forming aggregate is a self-corrosion shell. And the graded aggregate and the nano pore-forming aggregate are converted into permeable pores containing active substances. The material has the advantages of being good in connectivity, high in supporting performance, wide in pollutant treatment capacity, high in pollutant treatment efficiency, long in continuous treatment time and the like, has anti-blocking capacity and can be pumped.
Owner:潍坊水动能科技产业研究院
A commercial vehicle dashboard structure
This application relates to the field of commercial vehicle body technology, and particularly to a front bulkhead structure for a commercial vehicle. The front bulkhead structure includes a front bulkhead beam, which comprises an upper crossbeam and a lower crossbeam, connected by a front bulkhead longitudinal beam. The upper crossbeam includes an upper crossbeam body and an upper crossbeam armrest mounting location, with the thickness of the armrest mounting location greater than the thickness of the upper crossbeam body. The lower crossbeam includes a mounting bracket, one end of which connects to the front bulkhead longitudinal beam, with the thickness of the mounting bracket greater than the thickness of the upper crossbeam body. This application provides a front bulkhead structure for commercial vehicles to address the problem in related technologies where adding reinforcing plates to strengthen the front bulkhead increases the number of parts and welding processes, making it difficult to achieve lightweight design.
Owner:DONGFENG COMML VEHICLE CO LTD
Waist rest
A waist rest comprises a back plate and at least one supporting assembly arranged on the back plate, each supporting assembly comprises a cross beam and two supporting plates, the two supporting plates are arranged on the cross beam in a bilateral symmetry mode through elastic assemblies, the cross beam is arranged on the back plate in an up-down moving and adjusting mode, a sliding rail extending up and down is arranged on the front face of the back plate, and the cross beam is in sliding fit with the sliding rail. A locking mechanism is arranged on the cross beam, a plurality of locking holes which are arranged at intervals in the length direction of the sliding rail are formed in the sliding rail, the locking mechanism comprises locking pins which can be inserted into or separated from the locking holes, and when the locking pins are inserted into the locking holes, the vertical movement of the cross beam can be limited; when the locking pin is separated from the locking hole, the cross beam can move up and down, the two supporting plates used for supporting the waist and the back of the human body are symmetrically arranged on the cross beam, the cross beam is connected with the back plate in an up-down moving mode through the sliding rail and the locking mechanism, and therefore the heights of the two supporting plates can be adjusted at the same time.
Owner:周青松
Preparation device of environment-friendly foam sound absorption board
The utility model discloses a preparation device of environmental protection type foam sound absorption board belongs to foam board preparation technical field, a preparation device of environmental protection type foam sound absorption board, including the lower mould of fixed connection in support, support plate is fixedly connected on the support, the heating pressboard is slidably connected on the support plate, the heating pressboard is located the uppermost point of lower mould still includes: drive cylinder, fixed connection is in support, drive rod, slide connection is in drive cylinder, roof, fixed connection is in drive rod, with the roof is in lower mould, impact cylinder, fixed connection is in support, impact rod, slide connection is in impact cylinder, impact board, fixed connection is in impact rod, the utility model discloses through electric push rod drive second sliding plug reciprocating movement, make impact board hit support transmission vibration power, effectively shake out the bubble in lower mould liquid, reduce foam sound absorption board bubble gap production probability, guarantee sound absorption board overall strength and sound absorption effect, improve product quality.
Owner:BEIJING ZHONGYA KANGYUAN ENVIRONMENTAL PROTECTION PROJECT CO LTD
A type of bent waterproof connector structure
This utility model relates to the field of connector structure technology, and particularly to a bent waterproof connector structure. A first insulating seat and a second insulating seat are respectively provided at both ends of the interior of a right-angled shell. A first conductive body is fixed on the first insulating seat; a second conductive body is fixed on the second insulating seat. A first countersunk hole and a second countersunk hole are respectively provided at both ends of the right-angled shell. The first insulating seat is embedded in the first countersunk hole; the second insulating seat is embedded in the second countersunk hole; the first insulating seat is snap-fitted onto the first insulating seat; the first conductive body abuts against the second conductive body. When using this utility model, the first and second insulating seats are connected by a snap-fit mechanism and fixed inside the right-angled shell, improving assembly and disassembly efficiency. Furthermore, the right-angled shell is directly formed by a mold and then combined with the first and second insulating seats, resulting in a uniform thickness and guaranteed strength of the right-angled shell, providing stronger protection for the first and second conductive bodies.
Owner:SHENZHEN CAZN ELECTRONIC CO LTD
Lightweight high-strength steel pipe concrete based on phosphogypsum and method for preparing the same
The application provides a phosphogypsum-based light high-strength steel pipe concrete and a preparation method thereof, and relates to the technical field of the steel pipe concrete.The steel pipe concrete comprises the following raw materials in parts by weight: 450-500 parts of a hydraulic cementitious material, 255-272 parts of phosphogypsum light aggregate, 480-610 parts of gravel with a particle size of 4.75-19.0 mm, 708-743 parts of medium-coarse sand, 3.24-5.85 parts of a water reducing agent and 150-156 parts of water; the hydraulic cementitious material is a gypsum-slag cement containing modified phosphogypsum.The application realizes the lightness, controllable micro-expansion property and good corrosion resistance of the steel pipe concrete on the basis of ensuring the strength of the steel pipe concrete, and controls the manufacturing cost of the steel pipe concrete.
Owner:HUBEI YAOCHANG NEW MATERIAL ENG TECH RES CO LTD
Anti-falling rigid guide rail
ActiveCN224207254Uavoid deformationhigh strengthSafety beltsStructural engineeringMechanical engineering
Owner:FOSHAN CHANCHENG DISTRICT GLOBAL ELECTRICAL PORCELAIN ELECTRICAL MATERIALS CO LTD
Battery cell tray and battery cell transport device
The application provides an electric core tray and an electric core transportation device, which are used for improving the strength of the electric core tray, avoiding failure of the electric core tray when the electric core tray bears the electric core, and reducing cost waste. The electric core tray comprises a bottom plate, a bearing part and a plurality of first limiting columns. The bearing part and the first limiting columns are both mounted on the same side of the bottom plate. The bearing part is used for bearing the electric core. The mechanical strength of the bearing part is less than the mechanical strength of the bottom plate. In a first direction, the plurality of first limiting columns are respectively located on opposite sides of the bearing part and are used for limiting the electric core. The first direction is parallel to the transportation direction of the electric core tray.
Owner:CHONGQING HITHIUM ENERGY STORAGE TECHNOLOGY CO LTD
Opposite-pulling assembly for UHPC bent cap formwork, UHPC bent cap formwork and combined bent cap
PendingCN122082351AImproves Structural IntegrityImprove economyBridge structural detailsBridge erection/assemblyClassical mechanicsStructural integrity
The invention discloses an opposite-pull assembly for a UHPC bent cap formwork, the UHPC bent cap formwork and a combined bent cap. The opposite-pull assembly comprises an opposite-pull rod and a pair of opposite-pull rod fixing pieces arranged on the tops of a pair of formwork webs correspondingly. The opposite-pull rod fixing piece comprises a pre-buried fixing plate fixedly arranged on the inner surface of a formwork web and a clamping plate fixedly arranged on the outer surface of the formwork web, and through holes allowing the opposite-pull rods to penetrate through are formed in the areas, exceeding the top of the formwork web, of the pre-buried fixing plate and the clamping plate. And the end parts of the opposite pull rods penetrate through the through holes in the pre-embedded fixing plate and the clamping plate, and are fixed through an inner fastener positioned on the inner surface of the pre-embedded fixing plate and an outer fastener positioned on the outer surface of the clamping plate. The opposite-pull rod is arranged above the top of the formwork web, the opposite-pull rod can be dismantled and reused, and the economic performance is good. And meanwhile, holes are not required to be formed in the formwork webs for mounting the opposite-pull rods, so that the structural integrity of the formwork webs is better, and the appearance is more attractive.
Owner:HUBEI PROVINCE TRANSPORTATION INVESTMENT GRP CO LTD +3
Prefabricated wallboard for intelligent shelter
ActiveCN224692907UGuaranteed stabilityImprove stabilityArchitectural engineeringMechanical engineering
Owner:ZHANGJIAKOU CONSTR ENG GRP GUANGJIAN NEW CONSTR ENERGY SAV ING MATER
An ultra-long engineering pile hoisting system
ActiveCN224411197Ureduce stressAvailable in a wide rangeArchitectural engineeringStructural engineering
The utility model discloses a kind of super-long engineering pile hoisting systems, including crane, hanger, bottom form, hanger upper stage sling, stage sling is connected on crane, hanger is located at the sleeve set of corresponding stage sling two-stage sling, hanger is connected with its below pile body by two-stage sling, pile body is shaped on bottom form, bottom form is located at two-stage sling place and is all provided with rope slot, cover plate is movably arranged in rope slot.The utility model is characterized by: through the setting of hanger, stage sling, two-stage sling, without pre-buried lifting appliance, pile body is not prone to crack, guarantee the strength and integrity of pile body, facilitate subsequent use, ensure that the force of sling is minimum when hoisting pile body, make the wide range of sling selection, reduce production cost;Through the setting of rope slot, cover plate, solve the problem that two-stage sling is fixed around pile body and hanger, simple structure, convenient operation.
Owner:DALIAN GREAT GOLDEN HORSE INFRASTRUCTURE
Lightweight broadband metamaterial absorber based on c-shaped sandwich structure
ActiveCN116834382BGuaranteed Strengthreduce direct reflectionSynthetic resin layered productsAntennasElectrical resistance and conductanceEngineering
The application provides a light-weight broadband metamaterial wave-absorbing structure based on a C-shaped sandwich structure, which comprises a first composite layer, a second composite layer and a reflecting layer arranged in sequence along the electromagnetic wave propagation direction; the first composite layer comprises a sandwich structure composed of multiple wave-transparent layers and skin layers arranged alternately; the second composite layer comprises a resistance film layer and a wave-transparent dielectric layer arranged alternately; and the lowermost wave-transparent dielectric layer is provided with the reflecting layer on the lower surface. The C-shaped sandwich structure can greatly improve the wave-absorbing performance of the wave-absorbing sandwich structure in the high-frequency (Ku) band, and overcomes the shortcoming that when the skin is thicker than 0.5 mm, the wave-absorbing sandwich structure is difficult to obtain satisfactory wave-absorbing effect in the high-frequency (Ku) band.
Owner:AEROSPACE SCI & IND WUHAN MAGNETISM ELECTRON
Gas explosion device, gas explosion system and detonation method applied to film and television firework special effect
The application provides a gas explosion device, a gas explosion system and an ignition method applied to a film and television fireworks special effect. The gas explosion device comprises: a combustible medium container for storing combustible medium; a driving assembly comprising a driving assembly body with a first cavity and a moving piece, the moving piece being located in the first cavity, the moving piece comprising a puncture part; a driving piece arranged in the first cavity and located on one side of the moving piece, used for generating driving kinetic energy to push the moving piece to move; and a first charge arranged in the puncture part of the moving piece, used for ignition after the puncture part pierces into the combustible medium container, so as to ignite the combustible medium in the combustible medium container. The gas explosion device, the gas explosion system and the ignition method are used to achieve the effect of instantaneous complete explosion under the condition of meeting safety.
Owner:BEIJING YISHAN HUIHAI FILM TECH CO LTD
Pot
ActiveCN224166089UHigh bonding strengthReduce wear and loosenessCooking-vessel materialsSS - Stainless steelHeat transfer efficiency
The utility model relates to the technical field of cooking utensils, in particular to a pot. The pot body of the pot comprises the iron layer and the stainless steel layer which are stacked in the thickness direction, the iron layer can guarantee the heat transfer efficiency, the stainless steel layer is resistant to corrosion, the proportion of the iron layer to the stainless steel layer is made to meet 1: 1-3: 1, the pot body can balance heat conductivity and surface corrosion resistance at the same time, cooking efficiency is guaranteed, and meanwhile the pot body is protected against heat loss. The risks of perforation, sand holes and the like caused by long-term use of the pot body are reduced, and the service life of the pot body is prolonged.
Owner:WUHAN SUPOR COOKWARE
A high strength sorting machine frame
The application relates to a high-strength sorting machine frame and relates to the field of sorting machine frames. The high-strength sorting machine frame comprises a bottom frame, a supporting piece and a top frame, the top frame is horizontally arranged above the bottom frame, the supporting piece is vertically arranged between the bottom frame and the top frame, assembling frames are vertically fixed on the adjacent end faces of the bottom frame and the top frame, two supporting pieces are symmetrically arranged, the two supporting pieces are arranged on the front and back sides of the bottom frame and the top frame, the supporting piece comprises a reinforcing horizontal plate and a supporting assembly, the reinforcing horizontal plate is horizontally arranged between the bottom frame and the top frame, the two ends of the reinforcing horizontal plate are vertically provided with the supporting assembly, the supporting assembly comprises a stand column, a center plate is horizontally fixed at the center of the stand column, one side of the center plate is fixedly connected with the end of the reinforcing horizontal plate, and assembling insertion frames are vertically fixed on the upper and lower ends of the stand column. The application focuses on the stand column or the bottom frame and the top frame, the overall strength of the sorting machine frame is increased, and the weight of the sorting machine frame is reduced.
Owner:CHANGZHOU XIZHOU MECHANICAL & ELECTRICAL TECHNOLOGY CO LTD