Patents
Literature
194results about How to "Improve adjustability" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Cloth strength automatic detection equipment
InactiveCN119534132AEasy to check strengthquick fixMaterial strength using tensile/compressive forcesElectrical conductorMechanical engineering
The invention provides automatic cloth strength detection equipment, and relates to the technical field of textile detection. A top plate is fixedly installed at the top of the detection table, a conductor column is fixedly installed at the outer end of the installation base, the bottom of the conductor column is connected with the other wiring end of the fan body through a wire, a set of movable bottom plates are further installed on the detection table in a sliding mode, and positioning holes are formed in the movable bottom plates at equal intervals. The positioning columns at the front end and the rear end of the first fixing block are inserted into the positioning holes of the movable bottom plate. The detected cloth can be conveniently and rapidly fixed through the moving frame, and in the downward moving process of the moving frame, the fan body blows air leftwards to the detected cloth so as to flatten the surface of the detected cloth; a first fixing block and a movable bottom plate are in automatic limiting connection through a positioning column, and the device can conveniently detect the strength of the detected cloth according to data of a pressure sensor; the device solves the problems that the device is not easy to quickly fix the detected cloth for strength detection, and the device is easily influenced by surface wrinkles of the detected cloth.
Owner:NANTONG FURAN TEXTILE CO LTD
Concentric-shaft double-self-driving synchronous control permanent magnet outer rotor lifting device and control method thereof
PendingCN119519266Alower center of gravityImprove stabilityBatteries circuit arrangementsMultiple motor speed/torque controlSynchronous controlMechanical engineering
The invention provides a common-mandrel double-self-driving synchronous control permanent magnet outer rotor lifting device and a control method thereof.The device comprises a mandrel and supporting bases used for supporting the left end and the right end of the mandrel, and the mandrel is provided with a left permanent magnet outer rotor lifting structure and a right permanent magnet outer rotor lifting structure; each permanent magnet outer rotor lifting structure comprises a winding drum, a stator, a permanent magnet, an end cover and a disc brake used for braking the winding drum, the stator is arranged in the winding drum, the winding drum is rotatably connected with the mandrel, the stator comprises a stator iron core support, a stator iron core and a stator winding, the stator iron core support is arranged on the mandrel and provided with the stator iron core, and the stator winding is arranged on the stator iron core support. The stator core adopts a magnetic slot wedge, the stator winding is arranged on the stator core, and the mandrel is provided with a wiring slot for accommodating a stator winding outgoing line; the whole diameter can be reduced, the stability during working is improved, the double-load two-way transportation requirement can be met, the flexibility and adjustability are improved, and the double-load two-way transportation device has the advantages of being few in transmission links, free of a high-speed shaft, high in reliability and low in energy consumption.
Owner:TAIYUAN UNIVERSITY OF TECHNOLOGY
Grinding tool surface flatness detection device and detection method
The invention discloses a grinding tool surface flatness detection device and detection method, and relates to the technical field of industrial automatic detection, the grinding tool surface flatness detection device comprises an external mechanism, a transmitting mechanism, a detection mechanism and a conveying mechanism, the detection mechanism is used for receiving a reflected or scattered laser beam, mapping the reflected or scattered laser beam to a receiving end of a laser recovery table, analyzing a laser signal and converting the laser signal into an electric signal; in the invention, the surface of the grinding tool is firstly cleaned by high-pressure gas to ensure the accuracy of the detection result, and when the subsequently generated laser beam irradiates the surface of the grinding tool and the emitted laser beam is mapped to the detection end of the laser recovery table, the detection result is accurately detected by measuring the intensity, frequency, phase and other parameters of the laser signal. According to the method, the micro fluctuation and the unevenness of the surface of the grinding tool can be reflected, powerful data support is provided for quality control and improvement of the grinding tool, and the intelligent detection process not only improves the automation degree of detection, but also ensures the accuracy and the reliability of a detection result.
Owner:THE NEW START PRECISION ELECTRONIC TECH CO LTD
Flue gas purification process and system for synergistically removing multiple pollutants
PendingCN119607838Aachieve removalReduce energy consumptionGas treatmentLighting and heating apparatusPtru catalystFlue gas
An existing sintering flue gas treatment process additionally provided with a CO removal device is improved, the flue gas purification process and system for synergistically removing multiple pollutants are provided, SO2, NOx, dust and CO are efficiently removed, pollutants such as SO3, HCl, HF and heavy metal can be efficiently and synergistically removed, long-term stable operation of a CO catalyst can be ensured, and the service life of the flue gas purification system is prolonged. And meanwhile, the system stability under different CO concentration fluctuations can be adapted, the CO device can be ensured to operate in a high-efficiency state for a long time, and meanwhile, the effects of saving energy and reducing carbon are achieved.
Owner:FUJIAN LONGKING DSDN ENGINEERING CO LTD
Automobile part machining device
ActiveCN222537253Uincrease flexibilityImprove adjustabilityGrinding carriagesGrinding machinesElectric machineryRolling chassis
The utility model provides an automobile part processing device, which relates to the technical field of automobile part processing and comprises a polishing mechanism, a fixing mechanism is arranged at the top of the polishing mechanism, the polishing mechanism comprises a bottom plate, a chassis is arranged at the top of the bottom plate, and a universal ball is arranged in the chassis. An operator can adjust the polishing angle of an object according to needs, the motor is started, the eccentric rod drives the universal ball to move, in the moving process, the middle-position disc can indirectly swing at different heights, the universal column on the middle-position disc jacks up the platen from various angles, and the polishing angle of the object is adjusted. Due to the fact that the table plate can be jacked up from various angles through the universal columns on the middle-position disc, the accessories can be exposed to a grinding tool at different angles in the grinding process, grinding can be carried out more evenly, the situation of local excessive abrasion or insufficient grinding is avoided, different grinding effects are achieved, and the flexibility and adjustability of the technology are enhanced.
Owner:JINJIANG SHUGUANG MACHINERY
Expandable environment monitoring system device
PendingCN119533542AImprove stabilitystable supportMeasurement apparatus componentsIndication of weather conditions using multiple variablesMonitoring systemStructural engineering
The invention relates to the technical field of environment monitoring, and discloses an expandable environment monitoring system device which comprises a supporting assembly and a meteorological monitoring assembly, the supporting assembly comprises a longitudinal supporting pipe, a rope, a spacing base plate, a longitudinal connector and an end, and the longitudinal supporting pipe, the longitudinal connector and the spacing base plate are sequentially connected from bottom to top to form a support; environmental parameters can be monitored, local or overall high-precision environmental parameter measurement in any size range can be realized, and the implementation is better; the shielding to the environment of the measured target is small, so that the environment information in a certain space is not lost; the multiple trapezoid environment monitoring structures are parallel and can form a plane trapezoid structure or an annular trapezoid structure, rigid fixing and flexible folding of the environment monitoring device are facilitated through the spacing base plates and the end elastic ropes, rapid folding and unfolding can be achieved, the supporting assemblies cannot move through end fixing when the environment monitoring device is unfolded, and the environment monitoring device is convenient to use. Therefore, full-coverage and full-surrounding monitoring of an environment monitoring area is realized.
Owner:XIAN TECH UNIV +1
Eggplant planting lateral branch remover
ActiveCN222603154Ueasy to trimeasy to operateCutting implementsCuttersAgricultural engineeringStructural engineering
The utility model relates to the technical field of eggplant planting, and discloses an eggplant planting side branch remover which comprises a sleeve rod, a lengthened extension rod is arranged on the inner wall of the sleeve rod in a sliding mode, a pruning mechanism is fixedly arranged at the top end of the lengthened extension rod, and the telescopic length of the lengthened extension rod on the inner wall of the sleeve rod can be adjusted. And the surface of the sleeve rod is fixedly connected with a grip. Through the arrangement of the sleeve rod and the lengthened extension rod, the height of the pruning mechanism can be adjusted through the lengthened extension rod, so that a worker can conveniently prune side branches at different heights on an eggplant tree, a climbing tool is not needed, meanwhile, the worker can grasp the sleeve rod with one hand and grasp the grip with the other hand in the using process, and the work efficiency is improved. The operating rod is pulled downwards by fingers, and then the operating rod is used for pulling the pull rope to drive the movable blade to move downwards, so that the side branches are sheared by the movable blade and the cutting plate, the aim of saving labor is fulfilled, the operation is convenient, and the working efficiency is improved.
Owner:喀什市春裕种植农民专业合作社
Combined goods shelf of stereoscopic warehouse
ActiveCN222612000Uadjustable lengthshorten the lengthStorage devicesVariable capacity containersStructural engineeringMechanical engineering
Owner:ANHUI SUYOU TECH CO LTD
Cesium lead halide perovskite quantum dot glass optical fiber and preparation method thereof
The invention discloses a cesium lead halide perovskite quantum dot glass optical fiber and a preparation method thereof. Component elements of the perovskite quantum dots are added into a borosilicate glass system to generate Cs < + >, Pb < 2 + > and halide ions, reagents are adjusted according to the types of the needed perovskite quantum dots, and the optical fiber is obtained after sufficient grinding, high-temperature melting, cooling and wire drawing. Then, the glass optical fiber with the perovskite quantum dots uniformly distributed in size and density can be obtained through a heat treatment process; the preparation method is simple, the price is low, quantum dot crystallization is controllable, and the prepared optical fiber has very strong adjustability of fluorescence peaks and broadband and has application prospects in optical fiber lasers.
Owner:ZHEJIANG UNIV OF TECH
Fabricated foundation pit supporting structure and supporting method thereof
InactiveCN119640816AConstruction speed advantageAdvantages of installation convenienceExcavationsArchitectural engineeringSlide plate
The invention discloses an assembly type foundation pit supporting structure and a supporting method thereof.The supporting structure is distributed in the transverse direction and the longitudinal direction of the inner side of a rectangular foundation pit in a surrounding mode and comprises a first supporting component and a second supporting component; the first supporting component comprises a plurality of main components distributed in a rectangular shape and corner connecting components used for connecting the transverse edge corners and the longitudinal edge corners of the main components. The second supporting component is arranged in the depth direction of the foundation pit and comprises a second supporting plate, a T-shaped frame, a sliding plate, a sliding frame A, a sliding frame B, a handle, a rotating rod, a worm, an arc-shaped worm gear, a swing rod and an adjusting ejector rod, the T-shaped frame is installed on the top side of the first supporting plate in a sliding mode, and adjusting grooves are formed in the two sides of the T-shaped frame. The method has the remarkable advantages in the aspects of construction speed, installation convenience, flexible adjustability and structural stability, the construction cost can be greatly reduced, and the construction safety can be improved.
Owner:程新
Variable thermal resistance structure suitable for material irradiation temperature adjustment and design method
ActiveCN119666916AImprove heat transfer performancereduce heat transferNuclear energy generationMaterial heat developmentThermal dilatationTest sample
The invention relates to the technical field of research reactor material irradiation, and provides a variable thermal resistance structure suitable for material irradiation temperature adjustment and a design method, the variable thermal resistance structure comprises a protection tube and a to-be-tested sample arranged in the protection tube, an elastic thermal resistor is arranged between the protection tube and the to-be-tested sample, and the elastic thermal resistor is in contact with the protection tube and the to-be-tested sample at the same time; the cross section of the elastic thermal resistor is of an annular structure formed by continuous bending, inert gas is further filled between the protection tube and the sample to be tested, the elastic thermal resistor is in contact with the outer wall of the sample to be tested and the inner wall of the protection tube at the same time, heat transfer of an original air gap layer is changed, and heat transfer performance is enhanced; meanwhile, the elastic thermal resistor formed by bending has certain ductility, so that the outward heat transfer capacity of the sample to be tested in the irradiation test is enhanced, the influence of thermal expansion on heat transfer is reduced, and the irradiation test requirements of various materials are met; parameter determination is carried out through an out-of-pile verification test, and in-pile condition tests are combined, so that the elastic thermal resistance meeting the requirements is rapidly screened out.
Owner:NUCLEAR POWER INSTITUTE OF CHINA
Gallium indium tin oxide film and preparation method thereof
PendingCN119640392AThickness is easy to controlhigh transparencyPolycrystalline material growthLiquid-phase epitaxial-layer growthIndiumPhysical chemistry
The invention relates to a gallium indium tin oxide film and a preparation method thereof. The preparation method of the gallium indium tin oxide thin film comprises the following steps: carrying out corona treatment on the surface of a substrate to obtain a pretreated substrate; preparing a liquid gallium-indium-tin alloy; and coating the surface of the pretreated substrate with a liquid gallium-indium-tin alloy to obtain the gallium-indium-tin oxide film. The preparation method of the Ga-ITO film has the advantages of being short in flow process, high in controllability, low in energy consumption, high in adjustability and the like, raw materials needed in the preparation process are non-toxic, convenient to collect and reusable, and the preparation cost of the Ga-ITO film can be greatly reduced.
Owner:TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
Method for inhibiting laser processing damage of heterogeneous material
PendingCN119501274Aremove inhibitionImprove processing qualityLaser beam welding apparatusLaser processingRefractive index
The invention discloses a method for inhibiting laser processing damage of a heterogeneous material, which comprises the following steps: a processed material is immersed in an auxiliary liquid, so that the processed part of the processed material is fully infiltrated by the auxiliary liquid, the processed material is a solid heterogeneous material, and under the central wavelength of used laser, the room temperature complex refractive index of the processed material is n1, the effective complex refractive index of the auxiliary liquid at the working temperature is n2, and n1 and n2 meet matching conditions; and the machined material is subjected to laser subtractive machining, and the residual auxiliary liquid is removed after machining is completed. By selecting proper auxiliary liquid and applying optical parameters matched with the auxiliary liquid, binary interaction of the laser and the heterogeneous material is converted into interaction of the laser, the heterogeneous material and the auxiliary liquid, so that comprehensive effects of stray light suppression, micro-stripping effect of a thermal damage area caused by laser-induced cavitation, suppression of a heat affected area by liquid cooling and the like are achieved; and the processing quality of the heterogeneous material is obviously improved.
Owner:BEIJING SATELLITE MFG FACTORY
High-stability electrorheological fluid based on non-ionic deep eutectic solvent and preparation method thereof
The application discloses a high-stability electrorheological fluid based on a non-ionic eutectic solvent and a preparation method thereof, and belongs to the field of electrorheological fluid materials. The electrorheological fluid is prepared by using a non-ionic eutectic solvent as a carrier liquid and titanium dioxide micro-nanoparticles as a dispersed phase. The mass fraction of the non-ionic eutectic solvent is 70-90 wt%, and the mass fraction of the titanium dioxide micro-nanoparticles is 10-30 wt%. The non-ionic eutectic solvent is formed by hydrogen bond combination of a hydrogen bond donor and a hydrogen bond acceptor. The preparation method comprises the following steps: heating and stirring the hydrogen bond donor and the hydrogen bond acceptor according to a preset molar ratio to prepare the non-ionic eutectic solvent, then adding 10-30 wt% of dry titanium dioxide micro-nanoparticles, and performing ultrasonic dispersion and high-speed vortex treatment to obtain the electrorheological fluid. The molar ratio of the components in the non-ionic eutectic solvent can be adjusted to flexibly control the viscosity and polarization response capacity of the electrorheological fluid system. The obtained electrorheological fluid has low zero-field viscosity, high yield stress and strong sedimentation stability.
Owner:YANSHAN UNIV
Pin cutting mechanism of TVT disc packaging machine
The utility model discloses a TVT disc packaging machine foot cutting mechanism which comprises a supporting plate, the upper end of the supporting plate is fixedly connected with a containing groove through four fixing rods, the lower end of the containing groove is provided with a foot cutting opening, the inner wall of the containing groove is slidably connected with a fixing plate, the upper end of the supporting plate is fixedly connected with a first limiting plate, and the first limiting plate is located at one end of the containing groove. A first hydraulic cylinder is fixedly connected to the side, away from the containing groove, of the first limiting plate, the output end of the first hydraulic cylinder penetrates through the first limiting plate and is fixedly connected with a push plate, and the push plate is located in the containing groove and is slidably connected with the containing groove; according to the pin cutting device, the telescopic rod, the cutter with the double-sided blades, the chip removal opening and the collecting groove are adopted, the pin cutting efficiency is improved while the adjustability of the reserved length of the pins is achieved, the pin cutting length can be adjusted according to requirements, use is convenient, meanwhile, the cut pins can be collected, and the pin cutting device is convenient to clean.
Owner:WEIQIN ELECTRONICS CO LTD
A tuning system and a control method
ActiveCN115083728Bquick tuneImprove adjustabilityTransformers/inductances coils/windings/connectionsElectric component structural associationStator coilTransmission technology
The present application relates to the field of long-wave signaling technology, and in particular to a tuning system and a control method, including a control device, a first adjustable inductor and a first position detection component, wherein the first adjustable inductor includes a first moving frame, a first driving member, a first fixed frame sleeved on the periphery of the first moving frame, a first moving coil arranged on the first moving frame and a first stator coil arranged on the first fixed frame, the first driving member is used to drive the first moving frame to rotate relative to the first fixed frame, when the first moving frame rotates, the overlap between the first moving coil and the first stator coil changes, the first position detection component is used to detect the position of the moving frame, the output end of the first position detection component is connected to the input end of the industrial data acquisition module, the output end of the industrial data acquisition module is connected to the control end of the first driving member, and the industrial data acquisition module is connected to the control module in communication. The present application can achieve the effect of fast tuning.
Owner:BEIJING BBEF SCI & TECH
Phase shift mask substrate and dynamic magnetron sputtering preparation method thereof
PendingCN121951474Aquality improvementPrecise stress stateFinal product manufactureVacuum evaporation coatingSilicon alloyThin membrane
The invention relates to a phase shift mask substrate and a dynamic magnetron sputtering preparation method thereof, a MoSi-based gradient film layer is continuously and dynamically deposited on the substrate, and the method comprises the following steps: carrying out first-stage deposition on the substrate by adopting a molybdenum-silicon alloy target so as to form a transition layer; carrying out second-stage deposition on the transition layer to form a main body functional layer through deposition; and third-stage deposition is carried out on the main body functional layer to form a surface modification layer through deposition, and the MoSi-based gradient film layer is obtained. The invention provides a one-step sputtering deposition method capable of dynamically and accurately regulating and controlling, so that the inherent contradiction between the performance and the stress of a single-layer uniform film is fundamentally solved, and the complexity and the uncertainty of a traditional multi-step process are avoided.
Owner:SHAOXING XINLIAN SEMICON TECH CO LTD
Neural network model training method and device, equipment and storage medium
The embodiment of the invention provides a neural network model training method and device, equipment and a storage medium. The method comprises the steps of obtaining training data provided by a first user and / or obtaining a training strategy provided by the first user; based on the target training data and the target training strategy, training the initial neural network model to obtain a target neural network model; the target training data comprises training data provided by the first user, and / or the target training strategy comprises a training strategy provided by the first user; wherein the initial neural network model is obtained by training based on initial training data and an initial training strategy, and the initial training data and the initial training strategy are provided by a second user. According to the method, the adjustability of the initial neural network model is improved, and the neural network model meeting the requirements of the first user is easy to obtain.
Owner:HUAWEI TECH CO LTD
Rotary camera
The utility model relates to the technical field of rotary cameras, in particular to a rotary camera. The rotating camera comprises a base, a rotating assembly, a supporting arm, a lens assembly and a rotating motor, and a mounting groove is formed in the base; the rotating assembly is arranged in the mounting groove, the rotating assembly comprises a rotating disc, a driven wheel and a driving wheel, the driving wheel is rotationally connected with the mounting groove and is connected with the driven wheel through a transmission belt, and the rotating disc is arranged on the driven wheel; one end of the supporting arm is fixedly connected with the rotating assembly; the other end of the supporting arm is rotationally connected with one side of the lens assembly; and the rotating motor is arranged in the base and is connected with the driving wheel. The problem that in the prior art, a rotating structure of a rotating camera is complex, so that the flexibility and operability of the rotating camera are poor is solved.
Owner:SHENZHEN MINRRAY IND CORP LTD
Construction protective fence
ActiveCN222614988UEasy to installEasy to disassembleFencingBuilding material handlingArchitectural engineeringRock bolt
The utility model relates to the technical field of protective fences, and discloses a construction protective fence, which comprises a plurality of vertical supporting rods and a peripheral plate, and is characterized in that the lower parts of the vertical supporting rods are fixedly connected with L-shaped plates through bolts, the L-shaped plates are fixedly connected onto the ground through anchor rods, the vertical supporting rods are fixedly connected with inclined supporting rods through bolts, and the inclined supporting rods are fixedly connected onto the ground through bolts. The bottoms of the inclined supporting rods are fixedly connected to the ground through anchor rods, the upper sides and the lower sides of the vertical supporting rods are fixedly connected with supporting bases through bolts, the supporting bases are sleeved with clamping rings, the clamping rings are fixedly connected to the peripheral plate through bolts, and limiting plates are arranged on the upper portions of the supporting bases. According to the structure, welding and automatic screw connection are not adopted, standard parts are connected together through a detachable structure, dismounting and mounting are more convenient, later-period recycling is achieved, and when damaged, the corresponding standard parts can be conveniently and directly replaced.
Owner:SHANXI YIYUAN TECHNOLOGY CO LTD
A geothermal energy adjustable generation system based on carbon dioxide working medium
The application discloses a geothermal energy adjustable power generation system based on carbon dioxide working medium, which comprises a power generation well, a temperature and pressure adjusting device connected through a pipeline, a gas-liquid heat exchange device connected with the temperature and pressure adjusting device at one end and connected with a steam superheating device at the other end, a heat supply device and a turbine arranged on the steam superheating device, a power generation device connected with the turbine, the power generation device connected with the gas-liquid heat exchange device through a pressure adjusting device, a plunger pump connected with a recharging well at one end and connected with the gas-liquid heat exchange device through a refrigeration device at the other end. The system can further heat the carbon dioxide working medium after being converted into steam, thereby improving the temperature and pressure of the steam and the power generation efficiency of the turbine. Moreover, the output of the heat supply device is adjusted, the rotating speed of the turbine and the output power of the power generation device are adjusted, the adjustability of the power generation capacity is realized, and the defect of the vacancy of the technology in China is solved.
Owner:XIAN THERMAL POWER RES INST CO LTD +1
Adjustable cable steel belt tightening device
The utility model discloses an adjustable cable steel belt tightening device which comprises a base, a storage groove is formed in the front face of the base, a second supporting plate is inserted into the top in the storage groove in a sliding mode, the upper end of the second supporting plate penetrates through the base and is fixedly connected with a lifting plate, and a guide rod is inserted into the upper end of the lifting plate in a sliding mode. The lower end of the guide rod penetrates through the lifting plate and is fixedly connected with the upper end of the base, a servo motor is fixedly embedded in the upper end of the base, the tail end of an output shaft of the servo motor is fixedly connected with a first lead screw, the upper end of the first lead screw penetrates through the lifting plate, and the first lead screw is in threaded connection with the lifting plate; and two first supporting plates are fixedly connected to the inner bottom of the storage groove. Through the arrangement of the tensioning wheel, the limiting ring and other mechanisms, the steel belt tensioning device not only can tighten and adjust a steel belt, but also can adapt to steel belts with different sizes, and the adjustability and the practicability are improved.
Owner:XIAN RUIWEITONG HEAVY IND CO LTD
Adjustable composite structure wave-absorbing plate based on water base
PendingCN119581873Apromote absorptionImprove adjustabilityMagnetic/electric field screeningAntennasWater basedUltimate tensile strength
The invention discloses a water-based adjustable composite structure wave-absorbing plate which comprises a wave-absorbing functional layer and an adjustable functional layer, the adjustable functional layer is attached and fixed to the wave-absorbing functional layer, a layered containing cavity is formed in the adjustable functional layer, the height of liquid in the containing cavity can be adjusted, and the height of the liquid in the containing cavity can be adjusted. The mass fraction of water in the liquid is not less than 50%. The adjustable composite structure wave-absorbing plate based on the water base has the advantages that when the wave-absorbing plate is used, when the absorbing performance of the wave-absorbing plate needs to be adjusted, only the height of liquid in the containing cavity needs to be adjusted, and due to the fact that water has the high dielectric property, the wave-absorbing plate is convenient to adjust. The wave-absorbing performance adjustable effect in the broadband range can be achieved by adjusting the thickness of the liquid; besides, the water-based adjustable functional layer is arranged on the upper portion of the wave-absorbing functional layer, so that the adjustable effect of the absorbing performance of the wave-absorbing plate is further enhanced, and the most appropriate absorbing strength can be selected according to changeable scenes and requirements.
Owner:AEROSPACE SCI & IND WUHAN MAGNETISM ELECTRON
Pedal displacement and displacement detection device and mounting, dismounting and using method
ActiveCN119509301ASimple processImprove carrying capacityAircraft components testingMechanical measuring arrangementsAviationStructural engineering
The invention belongs to the technical field of aeronautical manufacturing, and relates to a device for detecting the displacement of an airplane pedal and the displacement of the pedal, which mainly comprises a detection device framework, a connecting assembly, an adapter, a support sleeve, a screw rod, a shaft sleeve, a right-angle hand-cranking angle turning device, a scale and a pointer. The detection device framework comprises a main body framework, a slide rail fixing support, a scale slide block, an angle turning device fixing plate, a shaft sleeve fixing plate and a long-strip groove-shaped through hole. The connecting assembly comprises a support, a positioning assembly and a handle. The positioning assembly comprises a positioning seat, a connecting piece, a positioning rod, a positioning shaft, a spring and a positioning pin.
Owner:SHAANXI AIRCRAFT CORPORATION
Measuring device for wear resistance of high-load gangue
ActiveCN224081314UImprove adjustabilityavoid strandedGrinding feed controlInvestigating abrasion/wear resistanceImpellerMeasurement device
The utility model relates to the technical field of gangue detection, in particular to a measuring device for wear resistance of high-load gangue, which comprises a lifting support and further comprises a polishing tank fixed in the middle of the lifting support. The motor is fixedly mounted on the telescopic part of the lifting bracket; the clamp is fixed at the output end of the motor; the dust collecting bag is screwed at an outlet in the lower part of the polishing tank; and the impeller is fixed outside the clamp. Abrasive dust generated in the testing process naturally falls under the action of gravity, meanwhile, the impeller installed outside the clamp is driven by the motor to rotate to generate airflow disturbance, the abrasive dust is guided and accelerated to move downwards to the bottom of the grinding tank, and the dust collection bag located at an outlet in the lower portion of the grinding tank is in sealed connection with the grinding tank in a screwed mode. All abrasive dust can be effectively collected under the combined action of airflow disturbance and gravity, and the abrasive dust is prevented from being retained in the device.
Owner:GUIZHOU CHANGXINGLONG MASCH EQUIP CO LTD
Modification method of rare earth superfine nanowire, fluorescent ink, preparation method and application
ActiveCN119609119AImprove luminous performanceImprove adjustabilityMaterial nanotechnologyTransportation and packagingNanowireOrganic solvent
The invention discloses a modification method of rare earth superfine nanowires, fluorescent ink and a preparation method and application of the fluorescent ink. The modification method comprises the steps that the rare earth superfine nanowires are dispersed in an organic solvent to obtain nanowire dispersion liquid, the nanowire dispersion liquid is modified through ligand molecules, and the modified rare earth superfine nanowires are obtained; by modifying the rare earth superfine nanowires, the luminescent property and dispersity of the rare earth superfine nanowires can be remarkably improved, the luminescent property of the fluorescent ink prepared by the invention is remarkably improved, different ligand molecules are selected to treat the rare earth superfine nanowires, the luminescent property of the fluorescent ink can be regulated and controlled, and the fluorescent ink has the advantages of high fluorescence intensity and strong adjustability.
Owner:TIANJIN YINENGWEISHEN TECHNOLOGY CO LTD
Beetle elytra-imitated interlocking structure, metamaterial plate comprising beetle elytra-imitated interlocking structure and armored system comprising beetle elytra-imitated interlocking structure
PendingCN121953736ASuppress cross-primitive expansionimprove integrityCamouflage devicesProtective buildings/sheltersMechanical engineeringMaterials science
The invention discloses a beetle elytra-imitated interlocking structure, a metamaterial plate comprising the beetle elytra-imitated interlocking structure and a composite armor system, and belongs to the field of multifunctional advanced protective materials. The interlocking structure comprises a plurality of functional elements arranged in a planar array, the adjacent functional elements are mechanically connected through geometric interlocking interfaces, the contact surfaces of the geometric interlocking interfaces are in a non-chemical bonding state and can generate relative dislocation under an impact load, and the geometric interlocking interfaces are in a non-chemical bonding state. Each functional element is integrally prepared from a polymer-based composite material dispersed with an electromagnetic loss filler, the interior of each functional element is of a three-dimensional porous micro-lattice structure with a negative Poisson's ratio effect, and the porosity and / or cell size of each three-dimensional porous micro-lattice structure are / is changed in a gradient manner in the thickness direction of the corresponding functional element. The metamaterial plate and the composite armor system using the interlocking structure can effectively inhibit structural layering under an impact load, can actively improve anti-penetration capability, and also have an excellent broadband electromagnetic wave absorption function.
Owner:NANJING UNIV OF SCI & TECH
A transmission mechanism and shutter with variable extension and retraction travel
This utility model relates to the field of venetian blind technology, and more particularly to a transmission mechanism and venetian blind with adjustable retraction stroke. The transmission mechanism includes a rotating shaft, an upper synchronous pulley, a synchronous belt, and an inner control. The upper synchronous pulley is rotatably positioned within the frame and located at the top. The synchronous belt meshes with the upper synchronous pulley and is connected to the inner control. One end of the rotating shaft is drivenly connected to the upper synchronous pulley, and the other end is drivenly connected to the venetian blind's cord winder. The upper synchronous pulley includes a large-diameter synchronous pulley and a small-diameter synchronous pulley connected to each other. The centers of the large-diameter and small-diameter synchronous pulleys are coaxial. The synchronous belt can selectively engage with either the large-diameter or small-diameter synchronous pulley. This utility model allows for flexible adjustment of the outer control stroke by simply adjusting the meshing state of the synchronous belt with either the large-diameter or small-diameter synchronous pulley, thereby achieving adjustable retraction stroke and improving the flexibility and adaptability of the venetian blind.
Owner:CHANGSHU BEST ENERGY SAVING TECH CO LTD
Cuttage anti-impact structure with variable mechanical behavior based on double-monomer configuration
PendingCN119498579AImprove impact resistanceImprove adjustabilityProtective garmentSpecial outerwear garmentsPolymer scienceOrganic chemistry
The invention discloses a cutting impact-resistant structure with variable mechanical behaviors based on a double-monomer configuration, and belongs to the field of impact-resistant structures. The method is mainly composed of a cuttage monomer and a cuttage substrate. The cuttage monomers are provided with single oblate protrusions, and the cuttage monomers are divided into Y-shaped monomers and O-shaped monomers according to the shapes of the cuttage monomers. Flat spherical protrusions are arranged on the plane of the cuttage substrate and are arranged in a uniform array. The cutting substrate is a carrier of two cutting monomers, namely a Y-shaped monomer and an O-shaped monomer, the cutting monomers and the cutting substrate are bent together during impact-resistant stress, and the cutting substrate and the cutting monomers are matched with each other to form a cutting impact-resistant structure. By adjusting permutation and combination of the O-shaped monomers and the Y-shaped monomers, a user-defined cuttage mode is achieved. Through interlocking cuttage, the impact resistance, adjustability and stability of the cuttage impact resistance structure are improved. The invention also has the advantages of easiness in manufacturing, wide application range, long service life and the like.
Owner:BEIJING INST OF TECH
Foamed pearl wool board compounding device
The utility model discloses a foamed pearl cotton board composite device, including primary frame and secondary frame, primary frame and secondary frame mirror image opposite setting, the bottom inside of primary frame and secondary frame all is provided with linear guide groove, the linear guide groove of primary frame is rotated and is installed with ball screw through bearing, ball screw is positive and negative type thread screw rod, the positive and negative thread of ball screw all is connected with the thread block of screwing, the linear guide groove of secondary frame is fixedly installed with the guide light pole, and two sliding blocks that are adapted with the thread block are slidably sleeved on the guide light pole, and the relative two thread blocks are rotatably installed with the composite roller between the sliding block, and the bottom outer wall on primary frame is fixedly installed with servo motor, the utility model discloses can carry out dynamic spacing size adjustment according to the thickness of different pearl cotton board, so it can be applicable to the pearl cotton board of different thickness and carry out composite processing uses, has good composite size adjustability, and the structure uses more nimble, and the adjustment is convenient.
Owner:DONGGUAN FUWEIMING PLASTIC HARDWARE PROD CO LTD