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34 results about "Needle Shape" patented technology
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A zero-stiffness large-stroke two-degree-of-freedom parallel rotation platform based on a compliant mechanism
The application discloses a zero-rigidity large-stroke two-degree-of-freedom parallel rotation platform based on a compliant mechanism and relates to the field of precision positioning. The application solves the problems of small stroke, poor dynamic performance and high driving force requirement of the existing two-degree-of-freedom rotation platform. The center hooke joint is installed on the base, two groups of guide mechanisms are installed on the base in the X-axis direction and the Y-axis direction respectively with the center hooke joint as the center, the deflection platform is installed on the center hooke joint, and the two extension parts of the deflection platform are connected with a group of guide mechanisms through a needle-shaped hinge respectively. The guide mechanism comprises a motor base, a zero-force spring connecting body, a voice coil motor and a plurality of zero-force springs. The motor base is installed on the base, the voice coil motor is installed on the motor base, the zero-force spring connecting body is installed on the voice coil motor, and the lower part of the needle-shaped hinge is connected with the voice coil motor. The application is used for two-degree-of-freedom precision positioning.
Owner:HARBIN INST OF TECH
Anti-blocking device for mud-containing liquid compressed air aeration pipe
ActiveCN224199232Uinto the uniformImprove processing efficiencyWater aerationSustainable biological treatmentAir velocitySludge
The utility model provides an anti-blocking device for a mud-containing liquid compressed air aeration pipe, which comprises an air cap and a needle-shaped anti-blocking device, the air cap is arranged at an air distribution hole on an air distribution pipe of a reaction tank, the air cap covers the outside of the air distribution hole, and the needle-shaped anti-blocking device penetrates through the air distribution hole and is arranged inside the air cap. An exhaust hole array is arranged in the air cap, and the needle-shaped anti-blocking device is driven by air flow to generate irregular motion in the aeration process. The needle-shaped anti-blocking device is driven by airflow to move irregularly in the aeration process, so that sludge and sediments in the air distribution holes are automatically scraped, blockage is avoided, and the manual cleaning frequency is reduced. Air flow distribution is optimized through exhaust holes of the air caps, it is ensured that compressed air evenly enters liquid, and the oxidation reaction or sewage treatment efficiency is improved. The movement of the anti-blocking device does not influence the original gas speed and gas flow, and a stable aeration effect is maintained.
Owner:SHANGHAI BAOAO IND TECH SERVICE CO LTD
Cylinder sleeve with low needle-shaped burrs, process and application
The invention relates to the field of air cylinder sleeves, and discloses a low-needle-shaped burr air cylinder sleeve, a process and application, the low-needle-shaped burr air cylinder sleeve comprises an air cylinder sleeve body and burrs formed on the air cylinder sleeve body, and the height H of the burrs ranges from 0.2 mm to 0.6 mm; a gentle slope angle alpha of 25-65 degrees is formed between the roots of the burrs and the outer surface of the cylinder sleeve; the burr surface roughness Rz is less than 15; and the ratio of the void volume among the burrs to the volume of the burrs is 1.5: 1-5.0: 1. Through the low burr height of 0.2-0.6 mm, the gentle slope of 25-65 degrees and the low-roughness surface with the RZ smaller than 15, the flowing resistance of molten aluminum is jointly reduced, the flowing speed of the molten aluminum is increased by 15%-25%, the temperature drop is reduced by 8%-12%, and the mold filling capacity is enhanced; the ratio of gaps with the burrs larger than or equal to 1.8: 1 to the volume is matched with low roughness, the gaps are fully filled with molten aluminum, the gaps between aluminum and iron of a blank are reduced by 20%-40% after die casting is completed, and the heat dissipation efficiency is improved by 25%-35%; good aluminum-iron combination and heat conduction enable the thermal stress of a cylinder hole to be uniform, the deformation amount is reduced by 30%-50%, and sealing is guaranteed; and finally, the engine power is promoted to be increased by 5%-10%, and the energy consumption is
Owner:ZYNP GRP ANHUI CO LTD
Screw cap type deformable filtering device for preventing empty suction and blockage of reagent needle
The utility model discloses a screw cap type deformable filtering device for preventing empty suction and blockage of a reagent needle, which comprises a screw cap, a hollow part is arranged in the middle of the screw cap, a latex connecting piece is arranged in the hollow part, a polytetrafluoroethylene film is arranged in the middle of the latex connecting piece, and a core accessory of the filtering device is a needle-shaped polytetrafluoroethylene film. Due to the excellent chemical characteristics, the filter material is suitable for reagents with various chemical properties, and the filter material can stably play a role in filtering acidic, alkaline and organic reagents. Under extreme environments such as high temperature and low temperature, normal work can be ensured, and the filtering effect cannot be influenced by environmental factors. The precise aperture design can effectively intercept tiny bubbles and particles which may cause empty suction and blockage of the reagent needle, so that the purity of a reagent extracted by the reagent needle is extremely high, an accurate and reliable reagent is provided for in-vitro diagnosis and detection, and the accuracy of a detection result is ensured.
Owner:ZHONGSHAN TRADITIONAL CHINESE MEDICINE HOSPITAL
Composition and application thereof
The invention belongs to the technical field of skin care products, and particularly relates to a composition and application thereof. The invention relates to a composition, in particular to a composition with repairing and anti-wrinkle effects and application thereof. The invention provides a composition. The composition is prepared from garcinia indica seed grease, phytosterol macadamia nut oleate, a castor oil / IPDI (isophorone diisocyanate) copolymer and a saussurea involucrata extract. When the composition is used, through the synergistic effect of all the components, hydrogen bonds are connected in multiple directions, crystals are prevented from simply growing into large sheet shapes or needle shapes, and tiny, fiber-shaped or needle-shaped microcrystals tend to be formed. The microcrystals are mutually crosslinked and overlapped to construct a continuous layered network structure penetrating through the whole matrix, and excellent repairing and anti-wrinkle effects can be formed. And the components are natural, safe and mild, do not irritate the lip skin, and are suitable for long-term use.
Owner:HANGZHOU HUANINGXIANG BIOTECHNOLOGY CO LTD
Pt / PEDOT composite modified carbon-based material needle-shaped electrode in-vivo dissolved oxygen electrochemical sensor and construction method and application thereof
PendingCN121978176AOxygen partial pressure monitoringlow costMaterial electrochemical variablesModified carbonBiocompatibility
The invention provides a Pt / PEDOT composite modified carbon-based material needle-shaped electrode in-vivo dissolved oxygen electrochemical sensor as well as a construction method and application thereof, and belongs to the technical field of medical biology. According to the in-vivo dissolved oxygen electrochemical sensor, a carbon-based material microneedle type electrode is modified by electrochemical deposition of platinum nanoparticles by using a chloroplatinic acid hexahydrate solution and depending on a time current method, and poly (3, 4-ethylenedioxythiophene) is generated by direct electro-polymerization on the surface of the Pt-modified microneedle electrode through an electrochemical constant current method. And forming uniform PEDOT (poly (3, 4-ethylenedioxythiophene)) film coated and modified platinum nanoparticles on the microneedle electrode. The composite modified carbon-based material is used for replacing precious metal to reduce cost and improve biocompatibility, low-oxygen sensitivity is optimized by means of composite modification, in-vivo protein adsorption and biological membrane coverage are resisted through anti-pollution surface modification, and therefore the defects are overcome, and monitoring of in-vivo tissue oxygen partial pressure is achieved.
Owner:THE NAVAL MEDICAL UNIV OF PLA
Composite separator for lithium secondary battery comprising an organic polymer binder layer, method of manufacturing the same, and lithium secondary battery having the same
A composite separator for a lithium secondary battery according to aspects of this disclosure comprises: a porous organic polymer substrate; a porous inorganic heat-resistant layer coated on at least one surface of the organic polymer substrate, the porous inorganic heat-resistant layer comprising inorganic particles and an organic binder polymer holding the inorganic particles together; and an organic polymer adhesive layer coated on the outer surface of the porous inorganic heat-resistant layer, the organic polymer adhesive layer comprising an organic binder polymer, wherein the inorganic particles comprise a mixture of particles with different shapes, the particles comprising i) plate-shaped particles and ii) needle-shaped particles, the plate-shaped particles comprising alumina particles, aluminum hydroxide particles, or mixtures thereof, the needle-shaped particles comprising alumina particles, aluminum hydroxide particles, or mixtures thereof, wherein the organic binder polymer included in the organic polymer adhesive layer comprises gelatin resin.
Owner:LG ENERGY SOLUTION LTD
Particle Analysis Apparatus and Method
PendingUS20250354946A1Image enhancementMaterial analysis using wave/particle radiationComputational physicsBeam scanning
An angle calculator calculates, for each coordinate in a beam scanning range, an angle representing an orientation of a plane based on an intensity distribution. A normalizer multiplies an angle array produced by the angle calculator by a numerical value corresponding to a shape of interest (for example, a needle shape or a string shape). A particle-of-interest analyzer analyzes whether a candidate particle is a particle of interest, based on a group of normalized angles corresponding to the candidate particle.
Owner:JEOL LTD
Preparation method of 6063T6 curtain wall cross beam aluminum profile
The invention discloses a preparation method of a 6063T6 curtain wall cross beam aluminum profile, the preparation method reduces scratches by optimizing the roughness of a mold, changes the aluminum alloy from a needle shape to a fibrous shape by optimizing the components of the aluminum alloy, Sr and eutectic Si, greatly improves the plasticity of a cast ingot, facilitates hot extrusion, and meanwhile, a proper amount of B element promotes the homogenization of alloy elements, improves the as-cast structure and improves the strength of the cast ingot. Extrusion forming is promoted; according to the method, the aluminum profile is subjected to pre-aging, the mechanical property of the aluminum profile is effectively promoted by combining pre-aging and two-stage time efficiency, the 6063T6 curtain wall cross beam aluminum profile with excellent apparent quality and mechanical property can be obtained on the whole, and in addition, the production quality is guaranteed, meanwhile, the high percent of pass is achieved, and the production benefit can be improved.
Owner:FOSHAN SANSHUIFENGLV ALUMINIUMINDUSTRY CO LTD +1
Device for reducing content of finished aggregate needle pieces
The device comprises a base, a treatment box and a screening box which are sequentially connected from bottom to top, the treatment box and the base are supported and fixed through supporting legs, and a shaping crusher is arranged in the center of the base; a feeding hopper is arranged at the top of the screening box, a first circular screen structure and a second circular screen structure which are obliquely arranged are laid in the screening box in a layered mode, aggregate screened by the first circular screen structure enters the treatment box through a first feeding pipe, and aggregate screened by the second circular screen structure enters the treatment box through a second feeding pipe; two screen frames which are symmetrically distributed are arranged in the treatment box, and aggregate and needle-shaped aggregate with qualified sizes can be screened through special structures in the screen frames; a collecting frame, a collecting hopper and a discharging pipe which are of an integrated structure and are sequentially connected from top to bottom are arranged in the center of the bottom of the treatment box, and the collecting frame is used for collecting needle-shaped aggregate screened in the treatment box. The needle-shaped aggregate screening device has the advantages of being reasonable in structural design, convenient to operate and maintain and capable of improving the needle-shaped aggregate screening effect.
Owner:POWERCHINA HUADONG ENG CORP LTD +1
Elastic strip card clothing circulation auxiliary device
Owner:JINLUN CARD CLOTHING (BAIYIN) CO LTD
Spraying device for civil aviation runway maintenance
The utility model discloses a spraying device for maintenance of a civil aviation runway, which belongs to the field of road maintenance and comprises a deicing vehicle, a snow-melting agent deicing tank positioned above the deicing vehicle and a shunting support connected to a liquid outlet of the snow-melting agent deicing tank, and an anti-freezing spray head component in threaded connection is sleeved at the liquid outlet of the shunting support. Compared with the prior art, the anti-blocking nozzle has the advantages that the needle-shaped anti-blocking rod is installed above the nozzle opening of the nozzle cover, the high-elasticity impact pressing plate similar to a seesaw is arranged at the outer wall end of the needle-shaped anti-blocking rod, and when a snow melting agent rushes out, the high-elasticity impact pressing plate is pressed downwards, so that the needle-shaped anti-blocking rod is lifted upwards, the nozzle opening is opened, and the snow melting agent is prevented from falling off. And after spraying is finished, the needle-shaped anti-blocking rod is pressed back into the nozzle of the nozzle cover through the pressure spring, so that the nozzle is closed, and the snow melting agent is prevented from being frozen.
Owner:XIBEI CIVIL AVIATION AIRPORT CONSTR SUPERVISION & CONSULTATION CO LTD
La-Ce synergistically modified high-performance aluminum alloy and preparation and application thereof
The invention relates to a La-Ce synergistically modified high-performance aluminum alloy as well as preparation and application thereof, and aims to solve the problems of poor formability and insufficient comprehensive performance caused by coarse morphology and non-uniform distribution of an iron-rich phase of an existing 8021 aluminum alloy for an aluminum-plastic film as well as complex multi-rare earth component modification scheme and high cost. By adopting the key technical means of synergistically adding two rare earth elements La and Ce in a specific component range and optimizing the preparation process, the transformation of an iron-rich phase from a needle shape to a spherical shape and the structure refinement are realized, so that the mechanical property, the deep drawing cupping value and the conductivity are synergistically improved. Through the synergistic modification effect of La and Ce and process optimization, key indexes such as the microstructure, the mechanical property and the forming property are comprehensively improved, remarkable advantages are achieved in the aspects of component simplification, process optimization, cost control and the like, and a technical foundation is laid for high-performance application of the alloy in multiple scenes such as aluminum-plastic film aluminum foil and light-weight electronic structural parts.
Owner:ZHENGZHOU UNIV
Flow control device and adjusting system suitable for high-purity pipeline
ActiveCN121322659ASpindle sealingsOperating means/releasing devices for valvesVALVE PORTNeedle Shape
The invention relates to the technical field of valves, and discloses a flow control device suitable for a high-purity pipeline, which comprises a valve body, a valve rod seat connected with the valve body, a valve rod arranged in the valve rod seat in an axially movable manner, and a handle used for driving the valve rod, an independent sleeve is arranged in a valve cavity of the valve body, and a throttling orifice is formed in the center of the sleeve. A needle-shaped part extending into the throttling orifice is arranged at the end part of the valve rod; the sleeve is supported on the valve body through a sealing pressing ring. Through the modular design of the independent sleeve and the elastic sealing pressing ring, clean and particle-pollution-free micro-flow control is achieved, a thermal compensation mechanism ensures that the adjusting characteristic is stable in a wide temperature range, temperature drift is avoided, the overall structure is reliable in sealing, accurate in adjustment and convenient and fast to maintain, the strict requirement of a high-purity pipeline for flow control can be met, and the service life of the high-purity pipeline is prolonged. The service life of equipment is prolonged and the comprehensive cost is reduced.
Owner:SHANGHAI JUKE FLUID CONTROL CO LTD
A sensor for measuring temperature gradient distribution and a manufacturing method thereof
The application provides a sensor for realizing temperature gradient distribution measurement and a preparation method, wherein the sensor comprises a needle-shaped temperature measuring head at the front end and a pad area at the rear end; the sensor comprises a substrate layer and a thermocouple film layer from bottom to top; the thermocouple film layer comprises a single first thermocouple film and a plurality of second thermocouple films as positive and negative electrodes respectively; the first thermocouple film and the second thermocouple film are connected with the pad area, and the single first thermocouple film and the plurality of second thermocouple films are overlapped at a plurality of nodes to form a plurality of thermocouple temperature measuring nodes arranged along the needle-shaped direction at intervals. The needle-shaped temperature measuring head has small invasion damage, which reduces the damage to the measured material / structure to the maximum, is beneficial to high-precision measurement, and forms a plurality of thermocouple temperature measuring nodes arranged along the needle-shaped direction at intervals, so that the accurate measurement of the temperature gradient distribution in the same direction is realized.
Owner:NAT INNOVATION INST OF DEFENSE TECH PLA ACAD OF MILITARY SCI
Adjustment jig and method for adjusting scanner
In a scanner, it is desirable to more accurately adjust the deviation between the coordinate position of a workpiece and the position of a processing focus of a laser beam. The adjustment jig includes: a cylindrical jig body into which a first laser beam and a second laser beam are introduced; a first adjustment tool which is detachably disposed on the other end side of the jig main body and has a light-transmitting surface for confirming and adjusting the optical axis of the first laser beam; and a second adjustment tool which is disposed coaxially with the first adjustment tool and detachably on the other end side of the jig main body, and which has a movable member having a tip portion configured in a needle shape so as to indicate a processing focus of a second laser beam, the distance from the laser emission port to the light-transmitting surface in a state in which the first adjustment tool is disposed on the jig main body is equal to the distance from the laser emission port to the light-transmitting surface. And the distance from the laser light emission port to the tip of the movable member in a state in which the second adjustment tool is disposed on the jig body is set to be the focal length of the processing focus of the second laser light irradiated from the scanner.
Owner:FANUC LTD
Liquid high-speed centrifugal dispersing and atomizing device
ActiveCN224057676Uwell mixedreduce resistanceMovable spraying apparatusSpray nozzlesPeristaltic pumpElectric machinery
The utility model relates to the technical field of liquid feeding and dispersing, in particular to a liquid high-speed centrifugal dispersing and atomizing device which comprises a peristaltic pump, a motor, a rotating shaft and an atomizing needle set, the output end of the motor is fixedly connected with the rotating shaft, a feeder is arranged outside the rotating shaft, the peristaltic pump is arranged above the feeder, and the atomizing needle set is arranged above the motor. A silica gel pipeline is mounted at the output end of the peristaltic pump, and a feeding hole is formed in the connecting point of the feeder and the silica gel pipeline; a first magnetic seal and a second magnetic seal are installed on the outer wall of the rotating shaft from left to right, and the atomizing needle set is arranged on the outer wall of the right end of the rotating shaft. According to the liquid high-speed centrifugal dispersing and atomizing device, liquid materials are dispersed and atomized in a high-speed centrifugal mode through the atomizing needles, the materials are mixed more evenly, air resistance is reduced through the needle-shaped structure, the operation efficiency of the motor is improved, the operation effect of the atomizing needle set is improved, and the minimum feeding amount limitation is avoided when feeding is conducted through the peristaltic pump.
Owner:WUHAN MILAI BIOTECHNOLOGY CO LTD
Gas needle-shaped check valve
The utility model relates to a gas needle-shaped check valve which comprises a needle cylinder, a valve body, a valve rod and a valve body. The needle cylinder is provided with an air inlet and an air outlet which are oppositely arranged; the needle core comprises a needle rod and a pier head connected with the needle rod, the needle rod is arranged in the needle cylinder in a sliding mode, and the diameter of the end, close to the needle rod, of the pier head is larger than that of the air outlet; the baffle is fixedly mounted on the needle rod, and a ventilation opening is formed in the baffle; and the spring is elastically connected between the needle core and the needle cylinder. Air is injected into the needle cylinder, the air can push the baffle to slide in the direction close to the air outlet, the pier head can open the air outlet, air enters the cavity of the workpiece after passing through the ventilation opening and the air outlet, at the moment, the spring is in an elastic deformation state, after air injection, the spring resets to drive the needle core to move reversely, and therefore the pier head can block the air outlet. Gas in the cavity of the workpiece is prevented from overflowing, sufficient gas can provide supporting force for the cavity wall, cavity wall shrinkage caused by residual internal stress of the workpiece is avoided, the problem of sink marks on the surface of the workpiece is solved and eliminated, and the machining quality of the workpiece is guaranteed.
Owner:YAMAGUCHI SEISAKU DALIAN CO LTD
A non-woven fabric needle processing equipment
PendingCN122076901ASave time on loading and unloading materialsSave transit timeNeedlesStampingNonwoven fabric
This invention relates to the field of needle processing technology and discloses a nonwoven fabric needle processing equipment, including: a worktable, a conveying assembly, a stamping assembly, and a bending assembly. The worktable is used to support the components; the conveying assembly is installed on the worktable and conveys needle blanks; the stamping assembly is located above the conveying assembly and fixed to the worktable, and simultaneously stamps the head of the needle blank on the conveying assembly to form a needle shape; the bending assembly is installed on the worktable, and when the stamping assembly stamps the needle blank, it drives the bending assembly to bend the tail of the needle blank. This invention allows for continuous or even simultaneous stamping and bending of needles on a single machine, saving significant loading, unloading, and transfer time, effectively improving production efficiency, and resulting in straighter needle blanks, effectively reducing the difficulty of subsequent straightening.
Owner:LUAN FENGMING NEEDLE CO LTD
Automatic external defibrillator
InactiveJP2025172996AHeart defibrillatorsExternal electrodesAutomatic external defibrillatorPhysical therapy
To provide an automatic external defibrillator in which an electrode is instantaneously and easily attached to a patient whose skin surface is wet by body fluid such as blood due to actual wound or the like.SOLUTION: Electrodes 30A and 30B are attached and give electric shock to skin K of a person to be rescued (patient). As shown in Fig. 4(A), when the electrodes 30A and 30B are in a pad form, they are difficult to be attached to the skin in a wet state by body fluid such as blood due to wound or the like. In contrast, as shown in Fig. 4(B), by forming the electrodes 30A and 30B into a needle shape and puncturing at least a part of the needle-shaped electrodes 30A and 30B to the skin, the electrodes 30A and 30B can be instantaneously and easily attached even to the skin K in a wet state by body fluid such as blood due to wound or the like.SELECTED DRAWING: Figure 4
Owner:ONLINE MASTER CO LTD
Material belt cutting mechanism of needle-shaped terminal
The utility model discloses a material belt cutting mechanism for needle-shaped terminals, which is arranged on one side of a feeding line body extending in the X direction in the Y direction, and the feeding line body can convey a material belt and a plurality of terminals which are arranged on one side of the feeding line body in the Y direction in the X direction and are integrally formed with the feeding line body. The device is characterized by comprising a rack, and a front pushing assembly, a lower supporting assembly and a cutting assembly which are arranged on the rack. According to the utility model, the third driving device for driving the cutting material belt is hinged on the sliding plate, and the connecting rod hinged with the cutter and the third driving device is arranged between the cutter and the third driving device, so that the cutting driving force of the third driving device to the cutter can be effectively reduced, the shearing force of the cutting action to the terminal is reduced, and the deformation of the terminal is reduced; and the supporting plate with the limited stroke is matched with the cutter, so that the cutting stroke can be accurately controlled, and the deformation of the terminal is controlled to be the minimum value, so that the production requirement of subsequent high-precision assembly is met.
Owner:东莞市科晟电子有限公司
PCB board bending needle shaping device
ActiveCN224684445Uprecise positioningRealize continuous productionStructural engineeringMechanical engineering
The utility model relates to the technical field of PCB board production discloses a kind of PCB board needle bending shaping device, including frame, multiple groups of positioning grid group are arranged in the frame along its width direction, multiple groups of the positioning grid group equidistance distribution and can lift needle row, the positioning grid group that can extrude needle row bending is slidably arranged in the top of the frame, the position of the top of the frame is close to front surface and is equipped with arc edge strip.The utility model is pushed bending strip cooperation arc edge strip to complete the bending action to needle row, to realize the quick accurate bending of needle row, and by driven plate strip moves in storage groove along with bending strip, automatically push out needle row after bending and place needle row placement area, avoid the tedious operation of artificial one by one extraction, simultaneously, the design of supporting strip and giving way slot ensures the stable positioning of needle row, and the different angle arc edge of arc edge strip optimizes bending path, enhances the adaptability and bending consistency of device, effectively reduces operating time, realizes continuous production.
Owner:ZHUHAI FUSHENG ELECTRONICS CO LTD
Automatic sealing ring grabbing assembly with anti-falling function
The utility model discloses an automatic sealing ring grabbing assembly with an anti-falling function, the grabbing assembly comprises a three-jaw air cylinder, a disc and a clamping jaw, the three-jaw air cylinder is connected with the clamping jaw, and the three-jaw air cylinder is used for driving the clamping jaw to move; a first groove is formed in the disc, penetrates through the disc and is used for being connected with a clamping jaw; a third groove is formed in the side face of the three-jaw air cylinder, and the three-jaw air cylinder is connected with the clamping jaw through the third groove. Second grooves are formed in the ends, away from the disc, of the clamping jaws and used for containing sealing rings, openings of the second grooves face the central axis of the grabbing assembly, and the faces, making contact with the sealing rings, of the second grooves are made of anti-skid materials. The clamping jaw and the needle-shaped air cylinder are arranged on the three-jaw air cylinder, the clamping jaw is controlled by the three-jaw air cylinder to grab the sealing ring, meanwhile, the needle-shaped air cylinder can be controlled by the three-jaw air cylinder to install the sealing ring to a designated position, and therefore the production cycle of products can be shortened, the production procedures of the products can be reduced, and the production efficiency of the products can be improved.
Owner:SUZHOU ZHONGXINSHENG AUTOMATION EQUIP CO LTD
High-sealing-performance gas compressor connecting piece
The utility model relates to the technical field of compressors, in particular to a high-sealing-performance gas compressor connecting piece. The lower part of the main body is provided with an alignment plug used for connecting a control panel, the bottom of the alignment plug is provided with a pin-shaped connecting plug, the main body is connected with a connecting line, the connecting line is connected with the connecting plug, two sides of the main body are respectively provided with an installation part, and the installation parts are internally provided with bolt holes used for installation; an elastic sealing structure is arranged at the bottom of the main body and outside the counterpoint plug; according to the connecting piece, the elastic sealing structure is designed, the annular sealing strip is pressed on the connecting port of the control panel through the spring and the driving annular block, the sealing state is continuously kept, and the phenomena of looseness caused by aging or vibration and water seepage caused by looseness are prevented.
Owner:JIANGSU CHENXUAN MACHINERY TECHNOLOGY CO LTD
Devices and methods for high precision fluid injection
Devices are described for injecting medicant, gel, treatment fluid or a substance into a target region in a target object. The devices include a housing with a main body and distal end portion; a moveable needle at a distal end portion and having a needle tip with a needle bore opening for injection into the target region; an actuation assembly for deploying the needle along a needle insertion trajectory to the target region; and a dispensing assembly for moving the medicant, treatment fluid or substance to the needle tip. The needle and / or device is adapted to reduce backflow of the medicant, gel, treatment fluid or substance during injection by having (a) a needle shape for the needle tip and / or a needle shaft, and / or (b)the needle insertion trajectory that are adapted to place substantially all of the needle bore opening in the target region and reduce gaps between the needle and surrounding portions of the target object.
Owner:DRAGONFLEYE THERAPEUTICS CORP
Device for reducing content of finished aggregate needle pieces
The utility model provides a device for reducing the content of finished aggregate needle pieces, which comprises a base, a processing box and a screening box which are sequentially connected from bottom to top, the processing box and the base are supported and fixed through supporting legs, and a shaping crusher is arranged in the center of the base; a feeding hopper is arranged at the top of the screening box, a first circular screen structure and a second circular screen structure which are obliquely arranged are laid in the screening box in a layered mode, aggregate screened by the first circular screen structure enters the treatment box through a first feeding pipe, and aggregate screened by the second circular screen structure enters the treatment box through a second feeding pipe; two screen frames which are symmetrically distributed are arranged in the treatment box, and aggregate and needle-shaped aggregate with qualified sizes can be screened through special structures in the screen frames; a collecting frame, a collecting hopper and a discharging pipe which are of an integrated structure and are sequentially connected from top to bottom are arranged in the center of the bottom of the treatment box, and the collecting frame is used for collecting needle-shaped aggregate screened in the treatment box. The needle-shaped aggregate screening device has the advantages of being reasonable in structural design, convenient to operate and maintain and capable of improving the needle-shaped aggregate screening effect.
Owner:POWERCHINA HUADONG ENG CORP LTD +1
Elastic flat clothing manufacturing process, roller system and elastic flat clothing
The invention discloses an elastic flat clothing manufacturing process, a roller system and elastic flat clothing. According to the manufacturing process, a continuous metal wire is rolled into a first special-shaped wire blank through a first roller, wherein the first special-shaped wire blank is connected end to end and provided with a groove in the middle, and the two ends of the first special-shaped wire blank are flattened; rolling through a second roller to form a second special-shaped filament blank with upwarp parts at the two ends; rolling and cutting into independent blank sections through a third roller; bending into a U-shaped needle through a fourth roller; and clamping a plurality of U-shaped needles in a material belt clamp to form an array, carrying out polishing, quenching and surface treatment on the U-shaped needles together, and sequentially implanting the U-shaped needles into the base cloth to obtain the card clothing. The roller system comprises four sets of roller devices for realizing the procedures. The card clothing is composed of a base fabric and a uniformly implanted U-shaped needle array. A traditional special needling machine and needle grinding equipment are abandoned, the equipment structure is greatly simplified, the manufacturing and maintenance cost is reduced, and the consistency of the needle height, the needle shape and the performance is remarkably improved, so that the quality of the elastic flat clothing is comprehensively improved, and the service life of the elastic flat clothing is comprehensively prolonged.
Owner:GUANGSHAN WHITE SHARK CARD CLOTHING CO LTD
Resin sheet and method for producing same
PendingCN121942348ACooling/ventilation/heating modificationsPolymer scienceUltimate tensile strength
The present invention provides a resin sheet which contains a filler formed by aggregating plate-like, scale-like or needle-like primary particles, and which has improved thermal conductivity. The present invention relates to a resin sheet. The ratio (Pi / Po) of the peak area intensity ratio Pi ((002) / (100)) between the (002) plane and the (100) plane of the filler in the resin sheet obtained by measuring the resin sheet by in-plane X-ray diffraction to the peak area intensity ratio Po ((002) / (100)) between the (002) plane and the (100) plane of the filler in the resin sheet obtained by measuring the resin sheet by X-ray diffraction by a concentration method is 0.13-0.41; or the peak area intensity ratio Pi ((002) / (100)) is from 1.5 to 10.0 (inclusive), and the peak area intensity ratio Po ((002) / (100)) is from 9.0 to 13.0 (inclusive).
Owner:MITSUBISHI CHEM CORP
Raw material processing device for food processing
InactiveCN120790271AHollow article cleaningGrain treatmentsAgricultural engineeringStructural engineering
The invention relates to the technical field of food processing, in particular to a raw material processing device for food processing. The invention provides a food processing raw material processing device, which comprises a processing frame, two groups of symmetrically distributed fixing frames are fixedly connected to the processing frame, a beating frame is slidably connected between the two fixing frames in an embedded manner, two groups of beating heads controlled to move are arranged on the processing frame, the beating heads are made of a high-hardness material, and the interiors of the beating heads are cavities; puncture holes are evenly distributed in the bottom of the hammering head, sharp thorn frames controlled to move are arranged in inner cavities of the hammering head, the bottoms of the sharp thorn frames are in a conical needle shape, the sharp thorn frames correspond to the puncture holes in a one-to-one mode, raw materials are placed in the hammering frame, and in the operation process, puncture operation on the raw materials is achieved through displacement of the sharp thorn frames. And meanwhile, the alternate hammering action of the hammering head is cooperated, so that the raw material treatment process is accelerated, and the treatment efficiency is improved.
Owner:JIANGXI CHUANGWEI FOOD CO LTD
A machining process for a high-speed rotating mechanical cemented carbide needle-shaped supporting shaft assembly
The application discloses a processing technology of a high-speed rotating mechanical hard alloy needle-shaped supporting shaft assembly, which comprises the following steps: step S1, powder mixing; step S2, dry pressing and sintering; step S3, outer diameter grinding; step S4, shaft sleeve pressing; step S5, spherical surface grinding; step S6, laser surface microtexturing; under the action of water guidance, the end spherical surface of the hard alloy needle-shaped supporting shaft shaft in step S5 is subjected to microtexturing treatment by using an ultrafast laser; and step S7, secondary spherical surface grinding. The needle-shaped supporting shaft assembly is made of hard alloy material and processed through the processing steps, and can smoothly pass through a critical point and stably rise to a working rotating speed in a short-time trial operation test of a high-speed rotating machine with a larger volume and weight.
Owner:RES INST OF PHYSICAL & CHEM ENG OF NUCLEAR IND