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Adjustable crushing mechanism for tablet press
ActiveCN224156930Uchange distanceChange the crushing particle sizeGrain treatmentsElectric machineDrive motor
Owner:XIAMEN DELIBANG NEW MATERIAL TECH CO LTD
Quick plug-in external member
ActiveCN224191258UMeet the signal accessSafe and reliable structureCoupling contact membersLive contact access preventionMechanical engineeringEmbedded system
The utility model discloses a quick plugging suite in the field of connectors, which comprises a module end plug and a plurality of detection end plugs, and each detection end plug is provided with a different number of connection ports; the plurality of detection end plugs are connected with the module end plugs in a matching manner; wherein the module end plug and each detection end plug can be plugged and fixed, a lock catch is arranged on the module end plug, a locking piece is arranged on each detection end plug, the module end plug and the detection end plug are fixed, and the lock catch is matched with the locking piece to be used for retaining the module end plug and the detection end plug; the detection end plug is matched with the plurality of module end plugs, a single detection end plug can be fixedly installed with the plurality of module end plugs, signal access of detection devices of different wiring systems to the PLC analog quantity input module can be met, program modification and wire changing are not needed when different types of detection devices are replaced, and the detection efficiency is improved. And the misoperation risk in the equipment maintenance working process is reduced.
Owner:CHINA TOBACCO HUNAN IND CORP
PVC plate crushing equipment with magnetic force box
The utility model discloses a PVC board crushing equipment with magnetic force box relates to PVC board crushing technical field, and this equipment includes bottom plate, sorting part and crushing part. The crushing part is located above the sorting cylinder, and PVC board is broken through the cooperation of crushing shaft no. 1, crushing shaft no. 2 and box wall cutting piece, and is driven by the crushing motor. In the sorting part, the stainless steel sorting cylinder in the sorting box cooperates with the internal sector permanent magnet sorting fixed wheel, and the magnetic impurities in the broken material are separated by magnetic force, and fall into the lower collecting box through sorting blanking groove no. 1 and sorting blanking groove no. 2 respectively. The equipment realizes the integration of crushing and sorting, improves the purity of material, reduces the equipment loss, and is suitable for the PVC board processing in multiple fields.
Owner:SICHUAN KANGFEI PLASTIC IND CO LTD
Method and apparatus for simulating vehicle end sensor data based on roadside sensors
The application relates to the technical field of vehicle control, in particular to a method and device for simulating vehicle end sensor data based on roadside sensors, wherein the method comprises the following steps: generating roadside three-dimensional scene data of roadside sensors based on roadside sensor data of the roadside sensors; generating vehicle body roadside three-dimensional scene data of the roadside three-dimensional scene data in a vehicle body coordinate system based on the roadside three-dimensional scene data and a vehicle body coordinate system of vehicle end sensors; and rendering the vehicle body roadside three-dimensional scene data to obtain simulation data of the roadside sensors simulating the vehicle end sensors. Thus, the problems in the prior art, such as high difficulty, high cost, complex installation, difficult maintenance and the like of data collection and processing, and the difficulty in meeting the increasing demand for vehicle end sensor data, are solved.
Owner:TSINGHUA UNIVERSITY
Depth local refinement method based on interest points
PendingCN121788586Aquality improvementIntegrate seamlesslyImage enhancementImage analysisAlgorithmSmall target
The invention discloses a depth local refinement method based on interest points. Belongs to the field of computer vision and depth estimation. The invention provides a solution for depth estimation fusion based on a region of interest for solving the problem of small target missing in the depth estimation field in the prior art. The method comprises the following steps of: cutting a picture according to coordinates of a region of interest output by a target detection network, and respectively carrying out depth estimation on a global picture and a local picture cut by the region of interest by utilizing a depth estimation network; through the innovatively designed partial deep fusion module, the consistency of the two modules after fusion is ensured by using an energy function. By means of the method, the interested area in the actual scene is further refined successfully, and more accurate and clearer depth estimation is obtained; in addition, by means of the method, the full model of the scene can be changed into a light network under the condition that the estimation fineness is not changed, so that the whole network is light, and the depth estimation result is not affected.
Owner:XIDIAN UNIV
Purification method for bamboo fiber reinforced natural polymer composite material
The present application relates to the technical field of bamboo fiber composite material, in particular to a purification preparation method of bamboo fiber reinforced natural polymer composite material. The bamboo raw material is crushed and treated by steam explosion to obtain primary bamboo fiber; the primary bamboo fiber is sequentially subjected to organic solvent dewaxing treatment and oxidation system selective delignification treatment to obtain purified bamboo fiber; the purified bamboo fiber is treated in a tannin acid solution to form a polyphenol interface layer on the surface thereof; and a solution containing polyvalent metal ions is added to the treated bamboo fiber to form a coordination cross-linking interface layer on the surface of the bamboo fiber. The present application constructs a stable interface layer between the fiber and the natural polymer matrix. The interface layer can effectively transfer stress, significantly improve the tensile strength, bending strength and shear strength of the composite material, and solve the problem of weak interface and easy delamination of traditional natural composite materials.
Owner:JINNADUO BIOENGINEERING (SHANDONG) CO LTD
Large unmanned aerial vehicle frame folding structure
This utility model discloses a folding structure for a large unmanned aerial vehicle (UAV) frame. It relates to the field of UAV technology and includes a central frame assembly. The central frame assembly includes a fuselage frame, with a mounting base fixedly installed on the outer side of each side of the fuselage frame. A main support leg assembly is provided on one side of each mounting base, and a secondary support leg assembly is provided at one end of the main support leg assembly. First hinge seats are fixedly installed on both sides of the bottom of the mounting base. The main support leg assembly includes a support leg frame, with first hinge members fixedly installed on both sides of the bottom of one end of the support leg frame. The first hinge members are hinged to the first hinge seats. Hinge holes are provided on both sides of the other end of the support leg frame. The secondary support leg assembly includes two support leg pieces, with second hinge members fixedly installed on the inner sides of the top of each of the two support leg pieces. The second hinge members are hinged to the hinge holes. This utility model enables the folding of the UAV frame during storage and transportation, reducing the storage volume and possessing high practical value.
Owner:BEIJING SHENJIANG AVIATION TECHNOLOGY CO LTD
Electronic cigarette battery short circuit troubleshooting tool
ActiveCN224287082Ueasy to startconvenient stopShort-circuit testingMeasurement instrument housingComputer hardwareElectrical battery
This utility model discloses a short-circuit troubleshooting tool for electronic cigarette batteries. It relates to the field of electronic cigarette testing technology and includes a testing component. The testing component has a replacement component at its bottom. The testing component includes a handle, a connecting part at its bottom, a mounting block at the bottom of the connecting part, and a connection hole at the bottom of the mounting block. The replacement component includes a replacement head, a mounting slot at its top, and a connection plug fixedly installed inside the mounting slot. The mounting block is inserted into the mounting slot, and the connection plug is inserted into the connection hole. The replacement head has a testing head at its bottom, a positioning head at its bottom, and an electrode contact at its bottom. This utility model allows for convenient replacement of the replacement component according to the electronic cigarette battery to be tested, facilitating short-circuit troubleshooting and possessing high practical value.
Owner:DONGGUAN SIDI ELECTRONICS CO LTD
A band saw with a tension display device
ActiveCN224275423Ucontrol tightnesseasy to operateApparatus for force/torque/work measurementBand sawsDisplay deviceControl theory
This utility model discloses a band saw with a tension display device, including a sliding potentiometer. One end of the sliding potentiometer is electrically connected to a digital display screen. A threaded plate is slidably connected to the bottom of the sliding potentiometer, and a potentiometer bracket is fixedly connected to the upper end of the threaded plate. A slider is slidably connected to the top of the sliding potentiometer. An upper wheel shaft is fixedly installed at the center end of one side of the slider, and a hanging plate is fixedly connected to one side of the slider. A groove is opened on the surface of the hanging plate. The band saw with the tension display device of this utility model can control the tension of the saw blade through the rebound force of the spring, thus better controlling the tension of the saw blade. At the same time, the potentiometer push rod can move with the hanging plate through the groove, and the value on the digital display screen changes accordingly. The tension value is displayed in real time by adjusting the position of the upper wheel, making the adjustment more accurate and convenient for customer operation.
Owner:青岛金岭电器有限公司
Naphthalene water reducer neutralization reaction device capable of automatically adding alkali
ActiveCN224071976URealize electric lifting functionImprove lifting stabilityChemical/physical/physico-chemical stationary reactorsFeed devicesPhysical chemistryNaphthalene
The utility model discloses a naphthalene water reducer neutralization reaction device capable of automatically adding alkali, and belongs to the technical field of water reducer production equipment. The naphthalene water reducer neutralization reaction device with the automatic alkali adding function comprises a reaction tank, a tank cover is installed at the top end of the reaction tank, four supporting columns are installed on the outer side of the bottom end of the reaction tank, a cooling mechanism is installed on the outer side of the reaction tank, an alkali liquor tank is arranged on one side of the reaction tank, a ring pipe is installed on the inner side of the reaction tank, and a plurality of alkali liquor spray heads are installed at the bottom end of the ring pipe. The top end of the alkali liquor tank is provided with a liquor feeding mechanism for supplying liquor to the annular pipe, the top end of the annular pipe is provided with a cleaning mechanism for cleaning the alkali liquor spray head, the reaction tank is internally provided with a mixing mechanism, the bottom end of the reaction tank is provided with a liquor outlet pipe, and one end of the liquor outlet pipe is provided with a valve. The neutralization reaction efficiency is improved, and the practical value is relatively high.
Owner:LAIWU ZHAOXIN NEW MATERIAL CO LTD
Photovoltaic production organic adsorption box
The utility model discloses a photovoltaic production organic matter adsorption box, including adsorption box body, the adsorption box body is equipped with the air inlet and the air outlet who arranges relatively, still include adsorption filter component and fire control subassembly, the utility model discloses adsorption filter component adopts the secondary processing structure of filtration and adsorption to improve the purification precision in coordination, the filter first pretreats particulate matter and other impurities in flue gas, reduces the subsequent active carbon filling's jam risk, active carbon filling places in layers through the spacing arrangement of filler frame, has increased the contact area with flue gas, has prolonged the adsorption path, has improved organic matter adsorption efficiency significantly. The spray pipe of fire control subassembly is arranged accurately between adjacent filler frame, cooperates interval setting and sprays, can carry out directional spraying to active carbon filling gathering area, and the fire extinguishing range covers the key fire risk point, compares integral type spray structure and extinguishes fire more accurate, responds more quickly.
Owner:VAN-E
Fire extinguishing device for new energy vehicle
The invention discloses a new energy vehicle fire extinguishing device which comprises a water injection embankment and a fire blanket, the water injection embankment is of an annular hollow structure, the fire blanket has the ductility and anti-impact functions, and a water storage space is formed in the fire blanket. The device can effectively extinguish the fire of the new energy vehicle, and meanwhile the vehicle structure is protected against damage.
Owner:张天法
Hash algorithm fast cracking device and method based on multi-value logic parallel judgment
The application discloses a kind of based on multi-value logic parallel decision Hash algorithm fast cracking device and method, belong to information security and cryptanalysis technical field.This device adopts Tianpi framework, core hardware includes 6400 four-value logic operation unit, 2300 MSD carry-free adder and 4.3 billion parallel logic rule base;Through hash length automatic identification, rule dynamic scheduling, segmented operation, pipeline cascade and parallel candidate generation etc., realize 50 bits ~ 50000 bits and greater bit number ultra-wide range hash fast reverse cracking, can give consideration to 50 / 70 / 100 bit short bit width hash economic operation, and support post-quantum hash algorithm extension.This application is strong, cost controllable, cracking speed is fast and can room temperature stable operation, is suitable for password audit, security detection, data traceability and anti-quantum attack etc.
Owner:SHANGHAI TONGSI VALUE INFORMATION TECHNOLOGY CO LTD
A loader distributed electro-hydraulic composite drive hydraulic system and a control method thereof
This invention provides a distributed electro-hydraulic hybrid drive hydraulic system for a loader and its control method. It includes a power supply system, a steering drive subsystem, an electro-hydraulic hybrid working subsystem, and a vehicle controller. The steering drive subsystem uses a pure electric cylinder drive and is decoupled from the working system. The electro-hydraulic hybrid working subsystem includes large and small flow motor pump sets, a distribution valve group, working cylinders, and an accumulator. The vehicle controller identifies the working condition based on the collected signals, controlling the small pump to operate independently under low flow conditions, and switching to the large pump or coordinating oil supply under high flow conditions. Pressure energy is recovered through the accumulator, and potential energy is converted into electrical energy using a motor pump with four-quadrant working capability. This application can eliminate steering throttling losses, optimize power matching under all working conditions, achieve multiple composite energy recovery, and significantly improve the overall machine energy efficiency and handling linearity.
Owner:HUAQIAO UNIVERSITY
Skin burn analysis method and system based on contrast agent blood perfusion
ActiveCN121962133AAchieve high-precision segmentationavoid blindnessImage enhancementImage analysisBurning tissueBurn tissue
The invention belongs to the technical field of burn wound analysis. According to the skin burn analysis method and system based on contrast agent blood perfusion, firstly, a fluorescence sequence after a contrast agent is injected is obtained, and a preprocessing sequence is generated through area cutting and down-sampling; a fluorescence intensity time curve of each pixel point is extracted, peak time is determined, and statistics is carried out to construct a peak time histogram; performing smooth denoising, extreme value detection and weak peak removal on the histogram, and adaptively selecting a threshold value for distinguishing normal and burnt tissues; generating an initial mask by using the threshold value, and performing connected domain analysis and morphological post-processing to obtain a target burn area mask; and finally, generating a pseudo-color image in combination with peak time. According to the method, the time dynamic characteristic of blood perfusion is fully utilized, the burn area can be accurately segmented and the microcirculation disturbance degree can be visually presented without depending on skin textures or a large amount of training data, and the objectivity and accuracy of burn depth evaluation are remarkably improved.
Owner:SHANDONG UNIV
Projectile packaging barrel
ActiveCN224225684Ueffectively fixedMeet transportation needsCapsBio-packagingStructural engineeringMechanical engineering
The utility model discloses a pill packaging barrel which comprises a barrel cover and a barrel body, and the barrel cover and the barrel body are combined in a covering mode. An adapter is arranged at the bottom in the barrel body, is matched with the head of a projectile in shape and is used for axially fixing the projectile; a shock pad and a buffer ring are arranged in the barrel cover, the shock pad is arranged between the inner bottom of the barrel cover and the end face of the tail of the projectile, the buffer ring is arranged on the inner side wall of the barrel cover, and the tail of the projectile is arranged in the buffer ring in a penetrating mode. The bullet packaging barrel is reasonable in structure, can effectively fix the bullets and carry out all-around buffering and damping protection on the bullets, has good sealing performance, meets the requirements of bullet transportation and storage, ensures the safety and integrity of the bullets in the storage and transportation process, and has high practical value.
Owner:CHONGQING YIHONG ENG PLASTICS CO LTD
Heat conduction pipe with heat dissipation core
ActiveCN224205448UEnsure flow uniformityeffective distributionHeat exhanger sealing arrangementCooling fluid circulationHeat transfer efficiencyMechanical engineering
The utility model discloses a heat conduction pipe provided with a heat dissipation core, and belongs to the technical field of heat conduction and heat dissipation. The heat conduction pipe provided with the heat dissipation core comprises a pipe body, a plurality of heat dissipation fins are arranged on the outer side of the pipe body, connecting pipes are installed at the two ends of the heat dissipation fins and the two ends of the pipe body, and connecting discs are installed on the outer sides of the connecting pipes. The heat dissipation mechanism comprises a center shaft, a heat dissipation core is installed on the outer side of the center shaft and is of a spiral structure, the outer side of the heat dissipation core is fixedly connected with the inner side of the pipe body, the multiple heat dissipation fins are distributed at equal intervals and are in a wave shape, the heat dissipation fins and the pipe body are integrally formed, and multiple flow guide holes are formed in the surface of the heat dissipation core; according to the utility model, the contact area and the retention time of a heat transfer medium and the heat dissipation core can be effectively increased, the transfer efficiency of heat in the pipe body is greatly improved, and the heat dissipation pipe has higher practical value.
Owner:DONGGUAN GUANBAI ELECTRONIC TECH CO LTD
A municipal engineering cable threading device
ActiveCN224472966USave disassembly timeImprove construction efficiencyArchitectural engineeringStructural engineering
This utility model discloses a cable insertion device for municipal engineering, including a tracked walking mechanism, a frame, a drive mechanism, and a cable frame. A pair of rotating shafts are rotatably mounted on the top of the frame, one of which is connected to the output end of the drive mechanism. The side wall of the rotating shaft is provided with a fastening assembly for supporting the cable frame. The fastening assembly consists of a support plate and a cover plate. A U-shaped rod is movably mounted on the side wall of the rotating shaft via an elastic member. The support plate and cover plate are respectively provided with insertion holes for accommodating the U-shaped rod, so that the U-shaped rod can be inserted into the insertion holes and, in conjunction with the elastic member, the support plate and cover plate are locked together. Through the cooperation of the U-shaped rod, support plate, cover plate, and elastic member, the cable frame can be installed and disassembled without the use of additional tools. The U-shaped rod, in conjunction with the elastic member, allows the support plate and cover plate to tightly clamp the square tube at the end of the cable frame. Compared with the traditional bolt fastening method, this significantly shortens the installation and disassembly time of the cable frame and improves the efficiency of cable construction.
Owner:WENZHOU LONGSHANG CONSTR CO LTD
Dust prevention device for tea packaging equipment
This utility model discloses a dustproof device for tea packaging equipment, including a packaging box. A filter box is fixedly connected to one side of the packaging box, and a feed pipe is fixedly connected to the top of the packaging box. A lifting frame is movably connected inside the packaging box. A vacuum cleaner is fixedly installed on one side of the packaging box via a connecting plate. A dust suction hood is fixedly connected to the output end of the vacuum cleaner, and one end of the dust suction hood is connected to the filter box. A filter screen is slidably connected inside the filter box. A dust suction plate is fixedly connected to the inner wall of one side of the packaging box, and the dust suction plate is connected to the filter box. The dustproof device for tea packaging equipment of this utility model adopts a closed negative pressure dust removal system, which captures the dust generated by the tea in real time during the feeding process, realizing "dust control at the source," effectively preventing dust from accumulating inside the equipment, reducing dust residue in the tea, and achieving effective dust prevention.
Owner:FUJIAN MINDONG BLACK TEA TECHNOLOGY CO LTD
A transfer rack for easy placement of finished doors and windows
ActiveCN224277188UAvoid breakage etc.Reasonable structureHand carts with multiple axesHand cart accessoriesBrakeCaster
A transfer rack for conveniently placing finished doors and windows includes a base, side frames, and a support frame. The base is W-shaped and includes a walking groove and V-shaped seats symmetrically arranged on both sides of the walking groove. Casters are installed at the bottom of the base. The side frames are fixed to the top of one side of the base, and the support frame is fixed to the top of the base. The walking groove in this invention allows personnel to easily walk to the inside of the transfer rack and place the finished doors and windows on it without having to lift their feet to step over the base, saving effort and ensuring safety, preventing tripping injuries and damage to the finished doors and windows. The W-shaped base and the gradually decreasing width of the V-shaped seats, along with the gradually decreasing width of the walking groove, allow multiple transfer racks to be nested together, saving space. The omnidirectional brake casters facilitate directional changes during use and accurate positioning when stacking adjacent transfer racks, improving work efficiency.
Owner:SUQIAN GENERAL GLASS CO LTD
An edge server, an edge computing system and a communication method thereof
The application discloses an edge server, an edge computing system and a communication method thereof. The method comprises the following steps: periodically acquiring, by the edge server, communication state information of each edge computing node in a topological network structure and edge computing nodes within a preset distance range around the edge computing node, inputting the acquired communication state information into a pre-established node connection decision model to obtain a real-time decision result, dynamically adjusting, based on the real-time decision result, a connection relationship of each edge computing node in the topological network structure and edge computing nodes within the preset distance range around the edge computing node to form an adaptive topological network structure, and performing data transmission by the edge server based on the adaptive topological network structure and each edge computing node. The topological network structure can be dynamically adjusted, and data can be stably and efficiently transmitted in a dynamically changing network environment.
Owner:RICHFIT INFORMATION TECH +1
Capacitor antipole detection device
ActiveCN224066976Uflexible locationachieve lockingOptical detectionCapacitor testingElectric machineControl theory
The utility model discloses a capacitor antipole detection device, and belongs to the technical field of capacitor detection. The capacitor antipole detection device comprises a bottom frame, a conveying frame is installed at the top end of the bottom frame, belt rollers are rotationally connected to the two ends of the inner side of the conveying frame, a conveying belt sleeves the outer sides of the pair of belt rollers, a motor is installed on one side of the conveying frame, the output end of the motor is connected with one ends of the belt rollers, and a plurality of capacitor fixing bases are installed outside the conveying belt. A capacitor body is arranged on the inner side of the capacitor fixing base, an anti-pole detection mechanism is installed on the other side of the bottom frame, an alarm mechanism is installed on the other side of the bottom frame, the anti-pole detection mechanism comprises a first fixing plate, one side of the first fixing plate is fixedly connected with the other side of the conveying frame, and a vertical rod is installed at the top end of the first fixing plate. According to the utility model, the non-contact detection can be effectively realized, the pins of the capacitor are prevented from being bent, and the high practical value is realized.
Owner:GUANGDONG YICHENG ELECTRONIC TECHNOLOGY CO LTD
Method and system for depicting water invasion dominant channel space of fractured-porous gas reservoir
PendingCN121995530AImprove the shortcomings of identification methodsAccurate judgmentDesign optimisation/simulationProbabilistic CADSoil scienceReservoir water
The invention belongs to the technical field of gas reservoir exploration, and particularly relates to a method and a system for depicting a water invasion dominant channel space of a fractured-porous gas reservoir. The method comprises the following steps: establishing a dual-medium fine geological model, wherein the dual-medium fine geological model comprises a matrix porosity model and a discrete fracture network model; obtaining a matrix permeability model according to the matrix porosity model, and obtaining a fracture permeability model according to the discrete fracture network model; matrix heterogeneity characterization parameter gridding is carried out based on the matrix permeability model, and fracture heterogeneity characterization parameter gridding is carried out based on the fracture permeability model. According to the method, the near-wellbore zone water invasion channel or the seepage barrier can be accurately judged, the whole gas reservoir water invasion channel or the area to be subjected to water invasion can be predicted, the influence of human factors is reduced, and the method is visual, fine, high in calculation efficiency and high in accuracy for the crack-pore type reservoir. And predicting the geometrical morphology and spatial configuration relation of the water invasion channel with comprehensive evaluation parameters.
Owner:CHINA NAT PETROLEUM CORP +3
Trapped wave reconfigurable ultra-wideband antenna for cognitive radio
PendingCN121983794Acompact structureCompact sizeSimultaneous aerial operationsHigh level techniquesAntenna designCapacitance
The invention discloses a notch reconfigurable ultra-wideband antenna for cognitive radio, and belongs to the technical field of wireless communication and antenna design. The antenna comprises a dielectric substrate, a main radiation patch, a microstrip feeder line and a notch structure patch are arranged on the front side of the substrate, a floor with a defected ground structure is arranged on the back side of the substrate, and a micro stepping motor system is further arranged; the copper column is embedded into the longitudinal through groove of the notch structure patch in a clearance fit mode, the motor drives the copper column to linearly slide, inductance-capacitance parameters of a resonance circuit are changed, and an adjustable resonance circuit is constructed; the main radiation patch optimizes ultra-wideband impedance matching, the defected ground structure expands high-frequency bandwidth, continuous reconstruction of 4.2-7.45 GHz trapped wave center frequency can be realized, and related electromagnetic interference can be accurately suppressed. Zero static power consumption is achieved through physical displacement tuning, high linearity and high robustness are achieved, and the method has high practical value in the fields of cognitive radio, short-distance communication and the like.
Owner:ANHUI UNIV OF SCI & TECH
Evaluation method for anti-caking capability of modified ammonium nitrate fuel oil explosive and application of evaluation method
PendingCN121762333AStrong result reproducibilitygood repeatabilityMaterial strength using tensile/compressive forcesUsing mechanical meansExplosive AgentsAmmonium nitrate
The invention relates to the technical field of ammonium nitrate fuel oil explosives, in particular to a method for judging the anti-blocking capacity of a modified ammonium nitrate fuel oil explosive and application of the method. The evaluation method comprises the following steps: loading explosive powder to be detected into a container; vertically pressing a heavy object into the container and completely acting on the to-be-tested explosive powder, so that the to-be-tested explosive powder bears a fixed pressure intensity to form a compacted grain; placing the container filled with the compacted grain in a constant temperature box with a preset temperature for heat preservation; the compacted grain is taken out and placed on a measuring instrument to be subjected to a compression test till the grain is crushed; and recording the maximum force value required for crushing and compacting the grain, and taking the maximum force value as the basis for judging the anti-caking capability of the modified ammonium nitrate fuel oil explosive, so that the larger the maximum force value is, the weaker the anti-caking capability is. The invention also provides application of the method. The crushing force value data obtained by the evaluation method is used for screening anti-caking additives, evaluating the anti-caking performance of different modified ammonium nitrate fuel oil explosives and the like. The problem that the modified ammonium nitrate fuel oil explosive series product lacks a scientific and quantitative evaluation method is solved.
Owner:SICHUAN YAHUA CIVIL EXPLOSIVES GRP CO LTD
A high-speed ultra-wide reverse coating device
This invention discloses a high-speed, ultra-wide reverse coating apparatus, comprising a frame with a doctor blade frame on one side; an anilox roller assembly, a pressure roller moving device, a gap adjustment device, a glue receiving tray assembly, and a guide roller assembly are mounted on the frame; the pressure roller moving device is equipped with a guide roller assembly A, a traction roller assembly, a traction pressure roller assembly, a traction gap adjustment device, and an adjusting roller assembly, and is located above the anilox roller assembly; the gap adjustment device controls the gap between the traction roller assembly and the anilox roller assembly; the adjusting roller assembly is located on one side of the anilox roller assembly and adjusts the angle at which the film enters the anilox roller by moving it up and down; a closed doctor blade assembly is mounted on the doctor blade frame, which can rotate to fit onto the anilox roller assembly, transferring the glue onto the anilox roller assembly, and then transferring it onto the film through the anilox roller assembly; the rotation direction of the anilox roller is opposite to the forward direction of the film, thereby achieving reverse coating.
Owner:XIAN AEROSPACE HUAYANG PRINTING & PACKAGING MACHINERY
A method for rapid high strength microwave bonding of ceramics to cemented carbide
This invention discloses a rapid, high-strength microwave bonding method for ceramics and cemented carbide, belonging to the field of ceramic material bonding technology. The method includes the following steps: preparing a metal solder; grinding, polishing, and cleaning the bonding surfaces of the ceramic and cemented carbide respectively; loading the prepared metal solder into a mold and pressing it under uniaxial pressure to obtain a metal solder sheet; placing the ceramic, metal solder sheet, and cemented carbide in a stacked structure in a microwave sintering furnace for microwave sintering to achieve the bonding of the ceramic and cemented carbide. Compared with traditional brazing and diffusion welding, this ceramic-cemented carbide microwave bonding method increases the heating / cooling rate by 6-10 times, improves the single-furnace bonding efficiency by 5-9 times, allows for mass production, and yields ceramic-cemented carbide bonding interfaces with high strength. This invention significantly improves production efficiency, reduces energy consumption, and has widespread application value.
Owner:NANJING UNIV OF SCI & TECH
A flexible material support and conveying device
ActiveCN224279197UGuaranteed continuous deliveryImprove efficiencySevering textilesArticle deliveryMaterials processingMechanical engineering
This utility model relates to the field of flexible material processing technology, and discloses a support and conveying device for flexible materials, including a housing; the housing is equipped with a conveying mechanism, which includes a transmission module, a guide module, and a support module; the support module includes several mounting parts and several multi-pronged parts that provide point support for the flexible material, with the multi-pronged parts located on top of the corresponding mounting parts, and the mounting parts arranged side by side at equal distances on the transmission module; the transmission module drives the mounting parts to move according to the transmission trajectory of the transmission module, and the transmission module supports and conveys the flexible material through the mounting parts and the multi-pronged parts. This utility model can ensure continuous conveying of flexible materials while allowing the cutting blade to perform cutting work normally, without stopping the conveying of flexible materials to wait for the cutting to complete, thereby ensuring the efficiency of cutting and conveying, and thus improving the efficiency of the entire processing flow.
Owner:武汉佰汇自动化科技有限公司
Capacitor busbar insulation sealing assembly
ActiveCN224217364UGuaranteed insulation performanceImprove sealingFixed capacitor housing/encapsulationFixed capacitor terminalsCapacitanceBusbar
The utility model discloses a capacitor busbar insulation sealing assembly, which comprises a packaging shell for packaging a capacitor body, a sealing block and an insulation sleeve, the side surface of the packaging shell is provided with a lead-out hole for a busbar terminal of the capacitor body to penetrate out, the sealing block is embedded into the inner side of the packaging shell corresponding to the lead-out hole, and the insulation sleeve is arranged in the packaging shell. The sealing block is provided with a sealing opening for a busbar terminal of the capacitor body to pass through. And the insulating sleeve is of a U-shaped structure and is sleeved at one end, penetrating out of the packaging shell, of the busbar terminal of the capacitor body. When the capacitor is used, the capacitor body can be installed in the packaging shell in a sealed mode, and the sealing block is sleeved at the leading-out position of the busbar terminal and embedded into the inner side of the leading-out hole so that the leading-out position can keep good sealing performance. Meanwhile, the insulating sleeve is sleeved at one end, penetrating out of the packaging shell, of the busbar terminal of the capacitor body, so that the insulating effect of the adjacent busbar terminals can be ensured; and the use is safer and more stable.
Owner:SHANGHAI EAGTOP ELECTRONICS TECH
Inserting sheet frame capable of effectively protecting LOW-E surface of glass
ActiveCN224278949UImprove loading efficiencyeasy to useCharge manipulationConveyor partsStructural engineeringMechanical engineering
Owner:SUQIAN GENERAL GLASS CO LTD