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12results about How to "Stable structural strength" patented technology
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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
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
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
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
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