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19results about How to "Stable structural strength" patented technology
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Hidden mainboard case structure
ActiveCN222580477UImprove cooling effectStable structural strengthDigital processing power distributionMechanical engineeringPhysics
The utility model discloses a case structure with a hidden mainboard, which comprises a mainboard frame and a positioning bent plate, the mainboard frame is vertically arranged at the rear position of a case and divides the cavity of the case into a front cavity and a rear cavity, the mainboard frame is provided with a plurality of wire passing holes which are arranged in a penetrating manner, and the positioning bent plate is arranged in the front cavity of the case. The part, away from the main board position, of the main board frame is provided with a positioning bent plate which is arranged in a bent mode, the front wall of the positioning bent plate is flush with the main board frame, the positioning bent plate can shield part of the wire passing holes, the positioning bent plate and the main board frame define a wire passing channel, the positioning bent plate is provided with heat dissipation holes which are formed in a penetrating mode, and the heat dissipation holes are distributed in the positioning bent plate at intervals. According to the computer case, the positioning bent plate and the main board frame are arranged in a staggered mode, the wire passing hole can be formed in the connecting portion between the main board frame and the positioning bent plate except for the front wall face, a cable is effectively hidden, meanwhile, heat dissipation of the space in the computer case can be effectively improved through the heat dissipation holes, the structural strength is stable, and a main board is effectively protected.
Owner:QINGYUAN ZHONGKE TECH CO LTD
Anti-falling rigid guide rail
ActiveCN224207254Uavoid deformationhigh strengthSafety beltsStructural engineeringMechanical engineering
Owner:FOSHAN CHANCHENG DISTRICT GLOBAL ELECTRICAL PORCELAIN ELECTRICAL MATERIALS CO LTD
Core-shell structure anti-sticking asphalt cold patch material and preparation method thereof
The invention provides an anti-sticking asphalt cold patch material with a core-shell structure and a preparation method thereof.The anti-sticking asphalt cold patch material with the core-shell structure sequentially comprises an inner core, a bonding layer and an anti-sticking layer from inside to outside, the bonding layer comprises resin and asphalt, and the anti-sticking layer comprises a fatty acid compound; the fatty acid compound is at least one of long-chain unsaturated fatty acid, long-chain saturated fatty acid or ester derivatives thereof; the fatty acid compound comprises a non-polar long chain with the alkyl chain length of C12-C18 and a polar group, and the polar group comprises any one of an ester group and a carboxyl group. The anti-sticking asphalt cold patch material with the core-shell structure does not need compaction equipment and heating equipment during construction, an anti-sticking layer formed by the fatty acid compound can be destroyed only by means of a driving load, so that a cementing material in the bonding layer flows again and is bonded with each other, and meanwhile, stable structural strength is formed by virtue of an embedding and extruding effect among aggregates.
Owner:FUZHOU UNIV
Photo-thermal activated epoxy shape memory polymer as well as preparation method and application thereof
The invention provides a photo-thermal activated epoxy shape memory polymer and a preparation method thereof, and belongs to the technical field of functional materials. The preparation method comprises the following steps: uniformly dispersing carboxylated multi-walled carbon nanotubes in a system containing epoxy resin and an organic solvent according to a certain addition ratio, adding a curing agent, mixing, pouring, and curing to obtain the shape memory polymer. The polymer has high glass transition temperature, high tensile strength and good toughness, and can realize rapid shape recovery under the irradiation of near-infrared light. The invention also provides a method for driving the shape memory polymer to recover the shape, and the shape of the deformed shape memory polymer can be recovered only in 30-100 seconds under the action of a thermal activation mode or an infrared light irradiation activation mode. The problems that a traditional epoxy shape memory polymer is single in driving mode, and mechanical performance and driving performance are difficult to consider at the same time are solved, and the method has wide application prospects in the fields of intelligent driving and precise control.
Owner:WUHAN RES INST OF MATERIALS PROTECTION
Foundation pit supporting assembly for engineering construction
ActiveCN222594875Uincrease the surface area of the outer wallincrease contact areaArchitectural engineeringStructural engineering
The utility model discloses a foundation pit supporting assembly for engineering construction, and relates to the technical field of foundation pit supporting, the foundation pit supporting assembly comprises a foundation pit supporting column and a supporting pouring assembly, the outer wall of the top of the foundation pit supporting column is connected with a supporting plate in a clamping mode, and the supporting pouring assembly used for supporting pouring is arranged on the outer wall of the top of the supporting plate. A plastic paper film is arranged on the inner wall of the foundation pit supporting column, and an inner supporting column is connected to the outer wall of the center of the top of the supporting plate. According to the foundation pit supporting assembly for engineering construction, the inner supporting column and the foundation pit supporting column which are combined with concrete have stable structural strength, a plastic paper film can help the disassembly of the foundation pit supporting column, and the disassembled foundation pit supporting column, a first mounting plate, a second mounting plate, a first reinforcing plate, a second reinforcing plate and a connecting plate can be repeatedly used; the situation that a large amount of manpower and materials are consumed in the dismantling process is reduced, and meanwhile the situation that the dismantled construction materials are buried in the soil to cause environmental pollution is reduced.
Owner:HUNAN ROYAL PLATINUM CONSTR CO LTD
An autoclaved aerated concrete block pouring and static stopping integrated device
This utility model discloses an integrated device for casting and static curing of autoclaved aerated concrete (AAC) blocks, relating to the field of concrete block casting technology. It includes a workbench, a static curing chamber, and casting templates. A support plate is slidably connected to the upper side of the workbench. A translation mechanism is installed between the support plate and the workbench. A mounting base is fixedly connected to the upper side of the support plate. The casting mechanism is installed on the upper side of the workbench. A fixing base is fixedly connected to the outside of one set of second templates. A leveling mechanism is installed between the fixing base and the second templates. A retracting mechanism is installed outside another set of second templates. A drying mechanism is fixedly installed on the top inner side of the static curing chamber. Two sets of air guides are fixedly connected to the inner side of the static curing chamber. During concrete leveling, the device uses magnetic counterweight to link with a waterproof cloth to achieve automatic resetting and cyclical operation of the scraper. During static curing, the inclined air guides direct the heat flow to the side of the block, avoiding direct airflow that could cause cracking while accelerating moisture evaporation, achieving efficient synergy between leveling and drying.
Owner:JIANGMEN POLYTECHNIC +1
Stirring paddle for strengthening fluid mixing
PendingCN119549019Aevenly distributedincrease shear forceRotary stirring mixersTransportation and packagingShear flowMechanics
The invention provides a stirring paddle for strengthening fluid mixing, and relates to the field of fluid mixing devices, the stirring paddle comprises a fixing sleeve, a disc and a notched paddle, the main body structure of the notched paddle is characterized in that an initial square is divided into n2 small squares, notching is carried out in the initial square along the sides of the small squares at 1 / n positions of the sides of the initial square, cutting four edges of the initial square to obtain a main body structure of the primary fractal arrangement type cut blade; iteration is continued according to the rule, the main body structure of the notched blade subjected to multiple iterations can be obtained, and the main body structure of the notched blade is obtained by at least conducting one-time iteration on the initial structure. In the rotating process of the notch blades, fluid is sheared through the notch edges of the blades, the shearing force of the blades on the fluid is enhanced, high-speed jet flow is generated, the trailing vortex structure of the blades is damaged, the fluid speed is increased, the fluid turbulence strength is enhanced, the dispersion process of energy is enhanced, the mixing transmission efficiency of the fluid is improved, and the fluid mixing effect is improved.
Owner:CHONGQING TECH & BUSINESS UNIV +1
Adjustable slide rail impact performance test device
ActiveCN224286323UImprove test accuracyImprove test reliabilityShock testingControl theoryMeasuring ruler
The utility model discloses an adjustable slide rail impact performance test device, which comprises a bracket, and a group of parallel guide shafts and a measuring scale are arranged on the bracket along the height direction of the bracket; a sliding block stretches across the guide shaft and moves along the arrangement direction of the guide shaft; the front face of the sliding block is connected with the telescopic sliding rail through a bolt, and the back face of the sliding block is connected with the support through a plunger piece. The mounting height of the plunger part is adjustable; in the initial state, the tail end of the plunger part penetrates through the support and extends into the sliding block so as to limit the testing height of the sliding block. The slide rail is in an extending state; in a termination state, the tail end of the plunger part penetrates through the bracket and is separated from the slide block, and the slide block falls off from the test height under the action of self weight; and the slide rail is in a contracted state. The beneficial effects of the utility model are that the slide rail is driven by the slide block to move to any height on the steel ruler, the performance parameters of the slide rail after being impacted at a determined height are simulated, and the test precision and reliability are improved.
Owner:SUZHOU DAWNWATCH MEDICAL EQUIP CO LTD
Spine holder for two-photon recording
ActiveCN224220127UEasy to adjust clamping strengthStrong structural stabilitySensorsDiagnostic recording/measuringSmall animalMechanical engineering
The utility model provides a spine holder for two-photon recording, comprising: a first support comprising a first clamping arm arranged along a first direction, a first extension plate arranged along the first direction and connected with the first clamping arm, and a first connecting plate arranged along a second direction, the first connecting plate being connected with the first extension plate; the second support comprises a second clamping arm arranged in the first direction, a second extending plate arranged in the first direction and connected with the second clamping arm and a second connecting plate arranged in the second direction, and the second connecting plate can be connected with the first connecting plate in a sliding mode in the second direction; and the lead screw is arranged in the second direction and connected with the first extending plate and the second extending plate, and the lead screw and the clamping space are located on the two opposite sides of the first connecting plate and the second connecting plate in the first direction correspondingly. The spine clamp holder is high in structural strength and structural stability, and not only can adapt to spine structures of small animals, but also can adapt to spine structures of large animals.
Owner:SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI
Exhaust ejector pin
The utility model provides an exhaust ejector pin which comprises a base and an exhaust structure, the base is a machining workpiece, and the exhaust structure is a 3D printing workpiece. An exhaust channel is arranged in the base, the exhaust structure is arranged in the base and located at one end of the exhaust channel, a plurality of hole channels are formed in the exhaust structure in an array mode, and gas entering the exhaust channel through the hole channels is exhausted outwards through an exhaust port in the other end of the exhaust channel. A machined part is adopted as a base part of the exhaust ejector pin, only an exhaust structure adopts a 3D printing workpiece, the 3D printing part of the exhaust ejector pin can be reduced, and the production cost of the exhaust ejector pin is reduced; and a plurality of hole channels arranged on the exhaust structure in an array manner can ensure a good exhaust effect.
Owner:SHANGHAI ESU LASER TECH CO LTD
Battery cell, battery pack and electric equipment
The invention relates to the technical field of lithium ion batteries, in particular to a battery cell, a battery pack and electric equipment. The disclosed battery cell comprises a shell, a cover plate and an anti-explosion valve, the shell comprises a base material, a welding area is arranged on the base material in the length or width direction of the shell, and heat affected areas are formed on the two sides of the welding area. The cover plate is arranged at the open end of at least one side of the shell; the anti-explosion valve is arranged on the cover plate; in the thickness direction of the anti-explosion valve, a nick is formed in the end face of the anti-explosion valve, an opening face is defined by one side of the nick, and the projection area of the opening face is S0; the projection area of the cover plate is S2; the average grain size of the heat affected area is A1, the average grain size of the base material is A2, and S0, S2, A1 and A2 meet the condition that 7 < = 11. According to the battery cell, the influence of the welding temperature on the battery cell can be effectively reduced, the structural strength of the battery cell is not reduced, and the safety performance of the battery cell is improved.
Owner:SVOLT ENERGY TECHNOLOGY CO LTD
Modular cabinet door anti-deformation reinforcing system and method
The invention relates to the technical field of cabinet doors, in particular to a modular cabinet door anti-deformation reinforcing system and method. Aiming at the problems that soft logs are insufficient in strength, hard logs are heavy in weight and easy to deform, warp and crack, and traditional natural solid wood and artificial board schemes cannot give consideration to large size, environmental protection property, single-person operability and anti-deformation performance, so that comprehensive use requirements are difficult to meet, the following technical scheme is provided. The reinforcing components are fixed to the back face of the plate, at least one set of lightening holes are formed in the middles of the reinforcing components, and hinge holes are formed in one sides of the reinforcing components; and the first floating connecting mechanism is arranged on the reinforcing component and is far away from the hinge hole. According to the invention, the ideal balance of the large-size cabinet door in environmental protection, single-person carrying and mounting convenience and anti-deformation stability can be realized, and the use experience and comprehensive practicability of the product are improved.
Owner:北京富尔达高科技发展有限公司
A modular device for medium-voltage circuit breaker compartment
ActiveCN224438292UStandard modularity with powerful functionsStable structural strength
This utility model relates to the field of power equipment technology, specifically a modular device for a medium-voltage circuit breaker compartment. It includes an outer frame, with lifting rings fixedly connected to the surface of the outer frame. A middle partition is movably connected to the surface of the outer frame, and an upper valve is movably connected to the surface of the middle partition. A lower valve is movably connected below the upper valve, and slots are provided on both sides of the lower valve. A valve pushing mechanism is movably connected to the surface of the outer frame, a connecting rod is fixedly connected to the surface of the outer frame, and a grounding switch interlock is movably connected to the surface of the outer frame. A grounding switch operating shaft is also provided on the surface of the outer frame. This utility model, through overall modification, makes the equipment narrower than a standard medium-voltage switchgear. On-site upgrades do not change the original cabinet width, and it can achieve two sets of outgoing lines on the same cabinet (upper and lower). It features powerful standard modular functionality. The outer frame and middle partition are riveted with steel plates, resulting in a robust structure. The lifting rings facilitate installation and transportation.
Owner:JIANGSU WETOWN ELECTRICAL CO LTD
Aluminum extruded modular high-strength compact quick-release lithium battery and grouping method thereof
The present invention discloses an aluminum extruded modular high-strength compact quick-release lithium battery and a grouping method thereof. The lithium battery comprises a bottom plate, an outer cylinder, a potting glue, a battery, an insulating plate, a BMS module, an upper cover module, a wiring harness, a sealing ring and a copper busbar. The grouping method comprises the following steps: prefabricating a BMS module, prefabricating an upper cover module, assembling a bottom plate, applying a potting glue, assembling a battery, installing an insulating plate, installing a copper busbar, installing a BMS module, installing a wiring harness, and sealing a box. The present invention has the advantages of compact structure, simple and practical, few parts, strong modularization and standardization, mass production, low cost, high structural strength, strong resistance to expansion and deformation, high dynamic reliability, good heat dissipation performance, long battery life, simple assembly process, quick disassembly, convenient recycling and maintenance, beautiful appearance, small space occupation, and easy movement.
Owner:HANGZHOU WEIMU TECH CO LTD
Explosion-proof shell for laser radar in explosion-proof area
PendingCN121955933Aavoid enteringStable structural strengthElectromagnetic wave reradiationRadarLidar
The invention relates to an explosion-proof housing for a laser radar in an explosion-proof area, and belongs to the technical field of explosion prevention. According to the invention, the problem that other explosives in the first-class explosion-proof area are detonated due to direct contact between the existing laser radar and the explosive environment in the first-class explosion-proof area is solved. A bonding frame is arranged on the front cover plate, the transparent part is bonded in the bonding frame, the pressing plate is pressed on the transparent part along the edge of the bonding frame, the pressing plate is fixedly connected with the front cover plate through a bolt, the front cover plate is fixedly connected to the end part of the explosion-proof shell through a bolt, and the transparent part is fixedly connected with the pressing plate through a bolt. And the other end part of the explosion-proof shell is fixedly connected with the filling pipe in a threaded manner. The explosion-proof shell has firm structural strength, can bear high pressure generated when the laser radar explodes in the explosion-proof shell and is not damaged, the possibility of detonating other explosives in one type of explosion-proof areas is eradicated, and efficient and lossless transmission of laser radar optical signals is achieved on the premise that explosion-proof sealing is guaranteed through the transparent part.
Owner:YANSHAN UNIV
Pipe drawing, welding and forming integrated manufacturing process for plastic bucket
PendingCN121756543AQuick welding jobRealize continuous productionBlow moldingManufacturing technology
The invention discloses a pipe drawing and welding forming integrated manufacturing process for a plastic bucket. The process comprises the following steps that S1, a pipe drawing blank is prepared, specifically, a continuous plastic pipe is extruded through pipe drawing equipment; s2, a fixed-length cutting process: conveying the continuous plastic pipe extruded by the pipe drawing equipment to cutting equipment; s3, workpiece positioning and clamping are conducted, specifically, the cut barrel body blank, a preset base and a barrel cover are transferred to welding equipment; s4, inner side support arrangement; and S5, heating welding forming: passing through a heating structure of welding equipment. The problems that a traditional blow molding process is low in efficiency, uneven in barrel body wall thickness, high in mold cost, difficult in model changing and high in material loss and energy consumption are solved; through the modes of extrusion molding, fixed-length cutting and hot melting welding, efficient continuous production is achieved, it is guaranteed that the wall thickness of the barrel body is uniform, the structural strength is stable, no complex mold is needed, production of products of various specifications can be rapidly adapted, the production cost is remarkably reduced, and the device is especially suitable for large-size containers.
Owner:SHANGHAI HENGJING IND CO LTD
Method for detecting shrinkage of tire components and use thereof
ActiveCN121740474BGuaranteed stabilityHigh precisionVehicle tyre testingShrinkage rateMechanical engineering
This invention discloses a method for detecting the shrinkage rate of tire components and its application, relating to the field of tire technology. By using the method of this invention to measure the shrinkage rate of tire components and selecting components with a shrinkage rate ≤10% for subsequent production, the risk of large fluctuations or unqualified shrinkage rates in tire components can be effectively reduced, avoiding the problem of product failure due to tearing or punctures caused by unqualified shrinkage rates.
Owner:GUANGRAO COUNTY METROLOGY TESTING & VERIFICATION INST (GUANGRAO COUNTY PROD QUALITY INSPECTION INST GUANGRAO COUNTY RUBBER TIRE PROD & MATERIAL QUALITY INSPECTION CENT) +2
Catalyst for cycloaddition of carbon dioxide and preparation method thereof
PendingCN119500265AThe synthesis method is simpleMild process conditionsOrganic chemistryOrganic-compounds/hydrides/coordination-complexes catalystsAlkanePtru catalyst
The invention discloses a preparation method of a catalyst for cycloaddition of carbon dioxide, which comprises the following steps: fully dissolving a proper amount of metal precursor, triethanolamine, hydroxyethyl methylacrylate and 1-vinyl imidazole in an organic reagent to obtain a solution A; a proper amount of p-phenylene diisocyanate is fully dissolved in an organic reagent, and a solution B is obtained; fully mixing the solution A and the solution B under the protection of inert gas; the formed gel is exposed under a light source with a certain intensity, the gel is regularly rotated and lasts for a certain time in the exposure process, then the gel is subjected to constant-temperature aging treatment, and the mechanical strength of the gel is further improved; placing the gel in a flask, adding an organic solvent, and dropwise adding a certain amount of halogen alkane to obtain the ionic liquid modified polyurethane-based metal monatomic catalyst. The ionic liquid modified polyurethane-based metal monatomic catalyst provided by the invention has the advantages of simple synthesis method, mild process conditions, easy adjustment of the structural shape of the catalyst, stable structural strength and the like.
Owner:SHANDONG GUOYI ZHONGYONG ENVIRONMENTAL TECH SERVICE CO LTD
Pump mounting structure and water outlet device
PendingCN119564048AGuaranteed service lifereduce vibrationBeverage vesselsEnvironmental engineeringHome appliance
The invention relates to the field of household appliances, and discloses a pump mounting structure and a water outlet device. The pump mounting structure can effectively protect the water pipe, the electric wire and other parts, the water pipe and the electric wire are not prone to abrasion, and use safety of the water outlet device is guaranteed. The pump installation structure is applied to the water outlet device, the water outlet device comprises a water outlet column and a pump body, the pump body is installed in the water outlet column through the pump installation structure, the pump installation structure comprises a damping part and a limiting structure, the damping part wraps at least part of the structure of the pump body, and the limiting structure is arranged on the damping part. The limiting structure is used for limiting the water pipe and / or the electric wire in the water outlet column.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI