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External internet-of-things smart-phone call-out elevator wireless simulation artificial-triggering device
InactiveCN105110107ABig room for developmentWithout compromising securityElevatorsInternet of ThingsCam
The invention discloses an external internet-of-things smart-phone call-out elevator wireless simulation artificial-triggering device. The device comprises externally arranged button controllers on elevator rooms of all floors, the button controllers comprise button control boxes, the part, on one side of each button control box, of a box body covers corresponding elevator buttons, the part, on the other side of each button control box, of the box body is fixedly installed on a wall, a button touching mechanism is arranged inside the part, on one side of each button control box, of the box body, and a button driving mechanism is arranged inside the part, on the other side of each button control box, of the box body. The button touching mechanisms comprise inner and outer touching buttons, and the outer touching buttons press the elevator buttons through the inner touching buttons in a touching mode. The button driving mechanisms comprise telescopic shafts, transmission rods and cams, wherein the transmission rods are arranged in the left-right direction. Wireless signal receiving and transmitting devices are further arranged inside the box bodies and used for receiving wireless signal instructions and controlling the cams to rotate, and at the maximum eccentric positions of the cams, the telescopic shafts push the inner touching buttons to touch the elevator buttons through the transmission rods. The device is arranged outside the elevator rooms, corresponds to the elevator buttons, is only responsible for controlling the elevator buttons and does not affect safe and normal usage of an elevator.
Owner:冯新州
Defect identification method and system for display panel based on machine vision
InactiveCN107402221AImprove stabilityImprove detection efficiencyOptically investigating flaws/contaminationProduction lineMachine vision
The invention discloses a defect identification method and system for a display panel based on machine vision. The method comprises the following steps: acquiring image signals of a to-be-detected display panel on a production line in real time; processing the image signals, and comparing the processed image signals with a standard image signal to acquire defect information of the to-be-detected display panel; and according to the defect information, labeling the defect positions of the to-be-detected display panel. The non-contact vision identification method provided by the invention is simple and quick in algorithm and high in stability, the detection efficiency is increased, and the method has a huge development space and market prospect.
Owner:GUANGDONG UNIV OF TECH
Fiber-reinforced foam sandwich structure composite material locomotive driving cabin and manufacturing method thereof
ActiveCN107719394AEnergy savingBig room for developmentAxle-box lubricationRailway bodiesVacuum assistedEngineering
Provided is a fiber-reinforced foam sandwich structure composite material locomotive driving cabin, including a front roof (1) and a bottom plate (2). Both of the front roof and the bottom plate comprise an upper skin (4), a lower skin (5), and a foam core material (6). The upper skin, the lower skin, and a reinforcing layer are made of a fiber-reinforced composite material. Resin in the upper skin, the lower skin, and the reinforcing layer are inflaming retarding epoxy resin. Reinforced fabrics in the upper skin, the lower skin, and the reinforcing layer are multiple layers stacked together.The multi-layer reinforced fabric is made of one of a carbon fiber fabric, a glass fiber fabric, a carbon fiber-glass fiber hybrid fabric or a combination of more than two. Thickness of the upper skinand the lower skin is 3 mm to 8 mm. The driving cabin has substantial weight reduction effect, and effectively saves energy. In the manufacturing method of the locomotive driving cabin, a vacuum assisted forming process is used to manufacture a driving cabin body. The method is low in cost, easy in integrated forming, and a complex component assembling process is simplified.
Owner:ZHUZHOU LINCE GRP
Aluminum alloy composite material
The invention relates to an aluminum alloy composite material. The aluminum alloy composite material is mainly prepared from, by weight, 30-40% of boron carbide framework and the balance aluminum alloy matrix, 5-10% of reinforced particles are also added by volume, and the aluminum alloy composite material is compounded by adopting a vacuum non-pressure infiltration method. The aluminum alloy composite material combines the advantages of a boron carbide material and aluminum alloy, has more excellent comprehensive properties such as strength, toughness and abrasion resistance and can be well applied to the fields of bullet resistant materials, radiation proof materials, high-temperature, abrasion resistant and self-lubricating materials, special acid-base etching resistant materials, cutting and grinding tools, shielding materials and the like.
Owner:潘云清
Efficient porous structure representation and optimization method
ActiveCN111859693AReduce designShorten the overall cycleGeometric CADDesign optimisation/simulationOptimization problemComputer-aided
The invention discloses an efficient porous structure representation and optimization method, and belongs to the field of computer aided design. The method comprises the following steps: firstly, giving a representation method of a multi-scale porous structure described by a function, and designing an optimization framework based on the function representation; secondly, establishing an optimization problem model by taking structural energy minimization as a target and taking volume and gradient as constraints; and finally, performing topological optimization and then performing geometric optimization, and performing optimization design on the topology and the thickness of the porous structure to obtain an optimization model filled with the porous structure. According to the method, the porous structure is completely expressed, analyzed, optimized and stored functionally, so the calculation complexity is greatly reduced, the design and optimization period is greatly shortened, and an optimization model with high structural hardness and rigidity under volume constraint can be provided. The structure is suitable for a common 3D printing manufacturing technology, the internal structure in the printing process does not need extra support, and printing time and printing materials can be saved.
Owner:DALIAN UNIV OF TECH
Intelligent garbage collection network management system
InactiveCN109878949AImprove the living environmentLeap in living standardsData processing applicationsWaste collection and transferComputer moduleNetwork management
The invention discloses an intelligent garbage collection network management system which comprises a solar power supply module, an infrared detection module, a micro central control processor, a server and an APP client side. The infrared detection module is arranged at the position, higher than 4 / 5 of a garage can, in the garbage can and is connected with the micro central control processor; digital signals are output to the micro central control processor, the micro central control processor receives the digital signals through an infrared signal receiving module inside, and the digital signals and positioning data on a GPS module are transmitted into the server through a wifi transmission module; and the server uploads the signals into the APP client side, and a backup document is generated to be stored in a central database in the server. According to the intelligent garbage collection network management system, through the maners of integrating, processing and feeding back garbage can information of all sites to achieve comprehensive control so as to change traditional fixed-time and fixed-point garbage collection, higher flexibility is achieved, and rapid garbage collectionis facilitated.
Owner:石映崇
Method for preparing silver nano sheet self-assembling material
The invention discloses a method for preparing a silver nano sheet self-assembling material. The method prepares a silver nano sheet self-assembling body in methyl methacrylate reverse micelle solution of different carboxylic acids by taking AgNO3 and NaBH4 as raw materials. The silver nano sheet can realize different curling degrees by changing the used carboxylic acid, and is self-assembled by fine silver nano granules. The diameter distribution of the silver nano granules is narrow, and is controllable in the different carboxylic acids. The sheet silver nano granule self-assembling body can be used as an effective Raman surface enhancing substrate to improve the detection limit of some special substances in Raman spectrum. The silver has high electric conductivity, and the silver nano material with a two-dimensional structure can form silver nano wires after treatment, so the silver nano material can be used as a high-performance conductive component for preparing a conductive coating. Because of controllability of topography, the silver nano sheet has great application potential and development prospect in the preparation field of electronic devices.
Owner:ZHEJIANG UNIV
Arm length adjusting device for upper limb exoskeleton rehabilitation robot
ActiveCN106551777ARealize arm length adjustment functionEffective trainingChiropractic devicesEngineeringUpper limb
The invention belongs to the related field of medical rehabilitation training equipment, and particularly discloses an arm length adjusting device for an upper limb exoskeleton rehabilitation robot. The arm length adjusting device comprises an upper left bracket, an upper right bracket, a lower bracket and a worm and gear assembly. The worm and gear assembly is arranged between the upper bracket and the lower bracket, and comprises a worm wheel, a worm and a screw rod. The screw rod is fixed between the upper left bracket and the upper right bracket in the axial direction. The screw rod is mounted between the upper left bracket and the lower bracket. The worm wheel is coaxially mounted above the screw rod. A rocker component is arranged at the right end of the upper right bracket and is connected with the right end of the worm. A polished rod is arranged between the upper right bracket and the lower bracket. The screw rod and the polished rod penetrate through a horizontal connecting plate and a lower movable rack between the upper bracket and the lower bracket. An up-down moving component is fixedly mounted on the same sides of the horizontal connecting plate and the lower movable rack. The arm length adjusting device can realize the arm length adjusting function of the shoulder-elbow part of the upper limb exoskeleton rehabilitation robot, and is suitable for upper limb sizes of different patients, and the adjusting step is simple and easy.
Owner:HUAZHONG UNIV OF SCI & TECH
Method for preparing copper film through controlled atmosphere cold spraying
ActiveCN106367750AThe process is simple and flexibleGood controllabilityPressure inorganic powder coatingSpray nozzleCopper oxide
The invention discloses a method for preparing a copper film through controlled atmosphere cold spraying. The method comprises the steps that firstly, original copper powder is conveyed into a powder oxygen content control unit, copper oxide on the surfaces of copper powder particles is reduced into copper, and the oxygen content of the copper powder is reduced; secondly, the copper powder treated through the powder oxygen content control unit is conveyed into a powder granularity control and powder feeding unit, the input copper powder is scattered and screened, and the granularity of the output copper powder particles is controlled within the set range; thirdly, the copper powder treated in the second step is conveyed into a cold spraying nozzle in a controlled oxygen partial pressure cavity; and fourthly, the speed and temperature of the copper powder particles are regulated and controlled through a gas pressure, flow and temperature control unit, and the copper powder particles in the controlled oxygen partial pressure cavity collide with base body depositions to form the copper film. The film obtained through the method is dense in structure and low in oxygen content, the conductivity is not lower than 80% that of corresponding component dense block materials, and the film is superior to a traditional electrolysis or copper electroplating film in the aspects of environment protection and cost.
Owner:XI AN JIAOTONG UNIV
Microbial remediation method for tailing pond heavy metal pollution
ActiveCN109967519AAvoid damageLow costContaminated soil reclamationMicroorganismSulfate-reducing bacteria
The invention provides a method for tailing pond microbial remediation with multiple sulfate-reducing bacteria EM2, SRB-4 and iron ion reducing bacteria Biometek-A. The above bacteria are introduced into tailings and nutrients needed by microbial growth are added to construct a set of tailing pond microbial remediation system. Some nutrients added into the tailings and growth of the reducing bacteria can inhibit the growth of inherent oxidizing bacteria in tailings and obviously inhibit the oxidation and dissolution of multiple heavy metal ions, thus improving the pH of tailings, lowering theredox potential, and at the same time greatly reducing the permeability of tailings. Therefore, the remediation method can reach a remediation effect on the tailing pond.
Owner:有研资源环境技术研究院(北京)有限公司
Pre-trained language model quantification method and device
PendingCN111814448ABig room for developmentEasy to compressCharacter and pattern recognitionNatural language data processingPattern recognitionEngineering
The invention discloses a pre-trained language model quantification method and device, and the method comprises the steps of carrying out the first fine tuning of a pre-trained language model on a downstream task; clustering the data in the weight matrixes of all the other embedding layers and all the linear layers except the classification layer of the fine-tuned model by using k-means clustering, and setting the category number as 2n, where n is the bit number occupied by each piece of data of the compressed target model; and carrying out second fine tuning on the quantized model on the downstream task under the condition of maintaining quantization, and finally obtaining a quantized network. According to the scheme provided by the embodiment of the invention, the influence of the improvement of the quantization scheme of the bottom layer on the quantization effect is greatly underestimated and ignored; meanwhile, it is shown that a very good compression effect can be achieved through simple k-means quantization without any skill, and it is shown that the k-means compression method has very large development space and application prospects.
Owner:AISPEECH CO LTD
Embedded automatic teller machine
InactiveCN102184595AEasy to operateBig room for developmentCoin-freed apparatus detailsApparatus for dispensing discrete articlesControl systemElectronic control system
The invention discloses an embedded automatic teller machine, which is used for selling expensive metal products, including gold coins, gold bars and the like. The machine comprises a bank card recognition module (4), a display screen and password keyboard module (2), a printing equipment module (3), a central microcontrol system (5), a stock bin module (7), a delivery door (8) and a mechanical control module (6) which are arranged with a central control module (1) as the center. The machine is invented to meet the requirement on people for convenient purchasing of expensive metal products such as gold and silver coils and the like, is combined with an advanced embedded electronic control system, is convenient to implement, and is easy to operate.
Owner:WUHAN UNIV
Block chain complex transaction verification method and device based on game model
ActiveCN110659901AGuarantee correctnessBig room for developmentDiscounts/incentivesDigital data protectionBlockchainReal-time computing
The invention discloses a block chain complex transaction verification method and device based on a game model. The method comprises the following steps: electing verification nodes for processing a to-be-verified transaction to form a committee; carrying out deduction under the chain to obtain the verification difficulty and the final state of the to-be-verified transaction, determining a verification time limit and a deposit limit according to the verification difficulty, adding excitation, and broadcasting the information to a committee; enabling the committee to detect the transaction deposit capacity and the conflict situation, and initializing the voting container if the transaction deposit capacity and the conflict situation succeed and meet the complexity lower limit requirement; enabling the verifier in the container to independently complete verification within the verification period and commit and broadcast the verification result by adopting a cryptography commitment scheme; and after all the verification nodes complete the commitment of the verification result or the verification time is equal to the verification time limit, enabling the committee to clear the commitment verification result of the verification nodes, and carrying out rewards and punishment on the verification nodes according to the clearing result. According to the method, the correctness, universality, consistency, excitation compatibility and public verifiable capability of a verification result are ensured.
Owner:BEIHANG UNIV
Free-falling body type well drilling machine
InactiveCN104912486ASimple structureReduce weightReciprocating drilling machinesConstructionsFree fallingWell drilling
The invention discloses a free-falling body type well drilling machine. The free-falling body type well drilling machine comprises a power rod, a hollow hammer, a rotary plate, a power mechanism, a power arm and a well tube, wherein the lower end of the power rod is bulged with an impact boss; an impact hole is formed in the lower part of the impact boss; the hollow hammer is arranged on the power rod in a up-down sliding manner in a sleeving mode; the rotary plate is I-shaped, and arranged at the upper end of the power rod; the power mechanism is used for driving the rotary plate to rotate; the upper end of the power arm is hinged in a groove of the rotary plate, and fixedly provided with a push rod which is positioned at the rear side, along a rotary direction of the rotary plate, of the power arm; the lower end of the power arm is connected with the hollow hammer by a stay cord; a stay cord guide plate is further arranged on the power rod in the sleeving mode; two guide devices are symmetrically arranged at the two sides of the stay cord guide plate; the upper part of the well tube is movably arranged in the impact hole in the sleeving mode; and the lower end of the well tube is pointed, and a plurality of water inlets are formed in the lower part of the well tube. The free-falling body type well drilling machine is simple in structure, convenient to assemble and carry, firm and durable in use, convenient to open, and labor-saving.
Owner:上海趣就业教育科技有限公司
Light-color raw lacquer resin and preparation method thereof
InactiveCN105462502ALight colorImprove performanceNatural resin chemical modificationVegetable oilPliability
The invention discloses light-color raw lacquer resin and a preparation method thereof. The light-color raw lacquer resin comprises the following raw materials in percentage by weight: 10%-18% of urushiol, 5%-7% of an etherified reagent, 0.5%-1% of a base catalyst, 0.02%-0.05% of a color reducing agent, 10%-12% of vegetable oil, 8%-10% of rosin, 2%-5% of dicarboxylic anhydride and 51.96%-57.48% of solvent oil, wherein the weight sum of the raw materials is 100%. During preparation, a urushiol solvent oil mixed solution is prepared firstly, then the color reducing agent and the etherified reagent are added into the urushiol solvent oil mixed solution for reaction, finally, the vegetable oil, rosin and dicarboxylic anhydride are added, the mixture is heated to 180-200 DEG C, the reaction is kept for 2-4 h, heating is stopped after reaching the reaction endpoint, the material is cooled to be 90 DEG C or below, and the solvent oil is added, so that the light-color raw lacquer resin is obtained. The light-color raw lacquer resin disclosed by the invention is free of raw lacquer sensitivity, light in color, simple in color matching, good in dryness, and convenient to construct and can be sprayed, coated and brushed. A paint film keeps excellent performance of the raw lacquer and meanwhile, has the characteristics of being light in color, environmentally friendly, high in flexibility, resistant to corrosion, resistant to water and the like.
Owner:中华全国供销合作总社西安生漆涂料研究所
Frequency conversion PLC (programmable logic controller) management system for parking lot
InactiveCN102117509AImprove reliabilityAchieve quickIndividual entry/exit registersProgramme control in sequence/logic controllersEmbedded systemProgrammable logic controller
The invention discloses a frequency conversion PLC (programmable logic controller) management system for a parking lot, which comprises a PLC control module, a frequency converter and a sensor module, wherein the PLC of the PLC control module is responsible for processing logic relationships of various signals; the frequency converter drags a motor on a railing at an entrance of the parking lot; the railing is switched on or off by using the frequency converter to control the forward / reverse rotation of the motor; the sensor module is used for detecting whether the opening or closing of the railing is in place or not; when the railing is opened to be in place, the detection of the sensor is stopped by forward rotation; and when the railing is closed, the detection of the sensor is stopped by reverse rotation. According to the invention, the reliability of an operation system can be improved; meanwhile, the PLC has a function of communicating with an upper computer, therefore, the frequency conversion PLC management system provides convenience to remote networking real-time control. The frequency conversion PLC management system has wide development space and potential for greatly enhancing the establishment for intelligent management of automobile parking, and in particular quickness, convenience and safety.
Owner:沈诗文
Inflaming retarding type urea resin foam insulation material
The invention relates to an inflaming retarding type urea resin foam insulation material. The inflaming retarding type urea resin foam insulation material is formed by mixing A-component liquid with B-component liquid, wherein the A-component liquid is mixed liquid of urea and urea resin water solution, the B-component liquid is mixed liquid formed by mixing of phosphoric acid, nonionic surfactant, DM fire retardant and water, and the A-component liquid is mixed with the B-component liquid according to a weight proportion of 1:1 to form the urea resin foam insulation material. According to the inflaming retarding type urea resin foam insulation material, the process is advanced, the formula is scientific, the combustion performance of the inflaming retarding type urea resin foam insulation material is detected according to national standard Classification For Burning Behavior of Building Materials and Products GB8624-2006, the index of the inflaming retarding type urea resin foam insulation material reaches a B level, the burning level of the material is greatly improved, and the continuously improved performance requirements on use of the buildings are met.
Owner:TIANJIN YOUNINGFUMU BUILDING ENERGY SAVING SCI & TECH DEV CO LTD
Self-adaption length adjusting device
ActiveCN104843320AAdjust the overall length sizeAdjust the tightnessRopes and cables for vehicles/pulleyFlexible elementsCircular discEngineering
The invention discloses a self-adaption length adjusting device. The self-adaption length adjusting device comprises an upper connecting assembly, a tensioning adjusting assembly and a lower connecting assembly; the upper connecting assembly comprises an upper disc assembly, an upper support and an upper movable rack; the upper disc assembly is installed on the upper support; the upper support comprises an upper connecting frame and an extension frame; the bottom of the upper connecting frame is downward provided with the extension frame; the upper support is vertically provided with a sliding groove; the upper movable frame can vertically slide inside the sliding groove; the lower connecting assembly comprises a lower support and a lower disc assembly; the lower disc assembly is installed on the lower support; the lower support is fixedly installed on the upper movable frame; the tensioning adjusting assembly comprises a guiding supporting rod, a movement base, a left connecting rod sliding block mechanism and a right connecting rod sliding block mechanism; the bottom of the upper connecting frame is downward provided with a guiding supporting rod; the movable base flexibly penetrate the guiding supporting rod. The self-adaption length adjusting device skillfully utilizes the connecting rod sliding block mechanisms and a compression spring, self-adaptively adjust a target mechanism through the conform capability of a mechanical structure and is safe and reliable.
Owner:HUAZHONG UNIV OF SCI & TECH
Novel vestibular rehabilitation equipment group based on virtual technology reality
PendingCN113495626AEasy to operateCompact structureInput/output for user-computer interactionPhysical therapies and activitiesSimulationEngineering
The invention discloses a novel vestibular rehabilitation equipment group based on virtual technology reality. The novel vestibular rehabilitation equipment group comprises a VR head display, a VR display screen, an optical motion capture system, an eye movement tracking system, a dynamic pressure platform, doctor end hardware, a vestibular rehabilitation software system and a protective fence. The dynamic pressure platform is fixedly mounted on the ground, and protective fences are arranged around the dynamic pressure platform; an optical motion capture system and a VR display screen are arranged in front of the protective fence; doctor end hardware and a vestibular rehabilitation software system are arranged on the right side of the protective fence. According to the equipment group, traditional vestibular rehabilitation which is difficult to standardize is converted into an evaluable, quantifiable and customizable treatment scheme, so that the living quality of a patient is improved, the family burden and the social burden are reduced, evaluation and treatment are integrated, manpower, material resources and financial resources are saved, and a large number of medical resources are saved; the equipment group is simple to operate, compact in structure and suitable for popularization and application in medical institutions and communities at all levels, and has great application value and development space.
Owner:WEST CHINA HOSPITAL SICHUAN UNIV
Method for recycling paper and plastic from waste product of one-off paper and plastic health aids
InactiveCN1539869AGood economic benefitsBig room for developmentPlastic recyclingChemical recyclingScrapWaste product
A process for reclaiming the leftover of disposable sanitary paper-plastic articles includes proportionally mixing said leftover with tetrachloro ethylene, stirring while heating to dissolve the plastic component in liquid, solid-liquid separation, dewatering the paper pulp in solid and drying it to obtain the raw pulp, distilling the liquid and drying to obtain raw plastics.
Owner:TONGJI UNIV
A method for preparing copper thin film by controlled atmosphere cold spraying
ActiveCN106367750BImprove deposition efficiencyHigh densityPressure inorganic powder coatingTemperature controlElectrolysis
Owner:XI AN JIAOTONG UNIV
Method for preparing aurivillius phase srbifecotio material by microwave sintering and prepared product
Owner:ANYANG INST OF TECH
Urea-formaldehyde resin foaming thermal insulation material
InactiveCN101289567BAdvanced technologyFormulation ScienceOther chemical processesThermal insulationPhosphoric acid
The invention relates to urea-formaldehyde resin foaming heat insulating material. The invention is characterized in that: the material is mixed by A composition liquid and B composition liquid, wherein, the A composition liquid is mixed liquid of urea and urea-formaldehyde resin water solution; the B composition liquid is mixed liquid mixedly formed by phosphoric acid, non-ionic surfactant and water; and the urea-formaldehyde resin foaming heat insulating material can be formed by mixing the A composition liquid and the B composition liquid according to the weight proportion of 1:1. The material belongs to high-efficient heat insulating material, has a heat conductivity coefficient less than or equal to 0.035W / (m.k), can improve the heat insulating performance of outside enclosure structures of buildings to the utmost extent, has a performance index which also achieves and even exceeds foreign similar products, is environment-friendly, has low cost, sells the price of 60 to 75 percent of import products, has large development space and application prospect, and is a regeneration product of the prior foaming heat insulating materials.
Owner:TIANJIN YOUNINGFUMU BUILDING ENERGY SAVING SCI & TECH DEV CO LTD
Surface coating technique for evaporator of automobile air conditioning system
InactiveCN108355936ABig market and room for developmentSynchronization of environmental benefitsPretreated surfacesSpecial surfacesAutomotive engineeringCorrosion
A surface coating technique for an evaporator of an automobile air conditioning system comprises the following production steps that the evaporator of the automobile air conditioning system is sequentially subjected to treatment that (1) washing is conducted; (2) acid pickling is conducted; (3) washing is conducted; (4) drying is conducted; (5) hydrophilic coating is placed in an impregnating tank, and the evaporator is coated; (6) the evaporator is spin-dried through a spin dryer; (7) the evaporator is cured in a curing channel and then cooled; (8) the evaporator is tested and detected to bequalified; and (9) the evaporator is packaged. Through the technical scheme, hydrophilic coating is applied to the automobile evaporator and an automobile condenser (or other radiator products), and an oxidation resistance film layer is generated to achieve the hydrophilic effect, resist to corrosion and oxidation and effectively restrain breeding of fungus matter, and the phenomenon that dust andparticles grow at deposits in an attached mode is eliminated; and the effective approach to improving the compartment environment is provided, and application of the technology develops a new automobile part treatment method for the automobile industry.
Owner:上海旺烨静电喷涂技术有限公司
Glass fiber reinforced composite paper pallet and its preparation method
InactiveCN103770389BImprove mechanical propertiesImprove flexibilityNon-macromolecular adhesive additivesLaminationGlass fiberMechanical property
The invention discloses a glass fiber reinforced composite paper pallet and a preparation method thereof. Based on the paper pallet, it is tightly bonded with glass fiber through adhesives and lamination processes, which improves the mechanical properties of the paper pallet. The product is light in weight, low in cost, simple and standardized in the preparation process, and has a wide range of applications.
Owner:NANCHANG UNIV
Synthetic method of urushiol biology base resin
The invention discloses a synthetic method of urushiol biology base resin. The urushiol biology base resin comprises the following materials in mass percent: 15 to 25 percent of urushiol, 8 to 10 percent of vegetable oil, 5 to 10 percent of binary estolide, 4 to 8 percent of glycerol, 3 to 6 percent of pentaerythritol, 0.5 to 2 percent of catalyst, 0.01 to 0.09 percent of color reducing agent, 1 to 5 percent of drier and 50 to 60 percent of solvent oil, wherein the sum of percentage of the material is 100 percent. The urushiol biology base resin has the characteristics of environment protection, high hardness, good dryness nature, high flexibility, water resistance, corrosion resistance, weather resistance and the like, and can be widely applied to industries of architectural ornament, furniture and flooring, road and bridge, industrial maintenance, vehicle boat and the like.
Owner:中华全国供销合作总社西安生漆涂料研究所
Miniature multi-purpose underwater unmanned submersible vehicle shell platform with superhydrophobic surface
ActiveCN113479308BEasy to realize assembly line processing and productionImprove processing efficiencyLaser beam welding apparatusUnderwater vesselsSuperhydrophobeMarine engineering
Owner:NANJING UNIV OF SCI & TECH
Green brick crossed hole reserving and stacking equipment and hole reserving method thereof
PendingCN114408591ABig room for developmentReduce limitationsStacking articlesDe-stacking articlesStructural engineeringMechanical engineering
The invention relates to the technical field of green brick stacking, in particular to green brick crossed hole reserving stacking equipment and a hole reserving method thereof.The green brick crossed hole reserving stacking equipment structurally comprises green bricks, a first marshalling green brick receiving machine, a brick stack, a second marshalling green brick receiving machine, a stacking machine, a stacking disc and a conveyor; when the second layer is clamped, a row of green bricks are selected to be not clamped, the rest of the green bricks are clamped, after the green bricks need to be placed on the stacking disc, the row symmetrical to the unclamped green bricks is not loosened, the green bricks are supplemented to the right side of the unclamped row of the second grouping green brick receiving machine again, and the whole row of green bricks on the second grouping green brick receiving machine are not lacked continuously; and two hole positions which are not clamped and not released are reserved in the second layer of green bricks on the stacking disc and used for corresponding to the through holes in the stacking disc, namely hole reserving is completed, the mode has the large development space, and compared with other brick collecting lines in the market, equipment is simple, low in limitation, high in applicability and low in input cost.
Owner:FUJIAN QUNFENG MACHINERY
An arm length adjustment device for an upper limb exoskeleton rehabilitation robot
ActiveCN106551777BRealize arm length adjustment functionEffective trainingChiropractic devicesUpper limbEngineering
Owner:HUAZHONG UNIV OF SCI & TECH
A mechanical arm transmission joint mechanism with force-position measurement function
ActiveCN106808469BReduce volumeReduce weightProgramme-controlled manipulatorGear wheelControl theory
The invention belongs to the field of robot equipment, and discloses a mechanical arm transmission joint mechanism with a force-position measuring function. The mechanical arm transmission joint mechanism comprises a T-shaped gear frame and a main support, the T-shaped gear frame is provided with two first mounting shafts and a second mounting shafts, each of the first mounting shafts is provided with a power input mechanism, and the second mounting shaft is provided with a power output mechanism; the power input mechanism comprises a first sleeve-bevel gear composite body, a bearing base and a transmission device; the power output mechanism comprises a second sleeve and a second bevel gear; an inner cavity of the first sleeve is provided with an angle displacement sensor, and an inner ring of the angle displacement sensor is fixedly installed on the main support; the outer wall of each first sleeve is provided with multiple strain gauges used for measuring torque of the first sleeve in the circumstantial direction. According to the mechanical arm transmission joint mechanism with the force-position measuring function, by measuring the displacement and torque information of the two first sleeve respectively, the displacement and torque information of the second sleeve can be obtained through simple calculation, the cost is low, and the size is small and exquisite.
Owner:HUAZHONG UNIV OF SCI & TECH
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