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232results about How to "Simple adjustment structure" patented technology
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Multifunctional road detection device and test method for tires
InactiveCN104729863ARealize online detectionSolve environmental problemsVehicle tyre testingRoad surfaceMechanical property
The invention relates to a multifunctional road detection device and a test method for tires. Two suspension systems and two tire steering mechanisms of the multifunctional road detection device are arranged on a frame and are respectively independently connected with the tested tires on two sides of the multifunctional road detection device, so that the tires can be independently steered and can be adjusted in internally gathered or externally scattered states, and lateral inclination angles of the tires can be adjusted. The multifunctional road detection device and the test method have the advantages that data of rotation angles, lateral force, longitudinal acceleration, lateral acceleration and the like of the tires can be acquired by various relevant sensors during driving, so that mechanical properties of the tires under on-site road conditions can be detected; the problem of difficulty in simulating actual service road surfaces by existing indoor detection devices for tires and problems of unbalanced force under lateral deviation and lateral rolling working conditions and single detection working conditions of existing outdoor detection devices for the tires can be solved; the multifunctional road detection device is simple in structure and easy to control and adjust.
Owner:JILIN UNIV
Preparation method for large-diameter and super-long nano carbon tube
The invention discloses a preparation method for a large-diameter and super-long nano carbon tube. According to the preparation method, a carbohydrate is used as a raw material, and is uniformly mixed with an artificial template physically in the presence of a transition metal salt, the mixture is subjected to heat preservation for 0.5-2 hours at the temperature of 400-650 DEG C under an inert atmosphere, and then the temperature is increased to 700-1200 DEG C for calcination for 0.5-2 hours to obtain the large-diameter and super-long nano carbon tube; the artificial template is melamine, dicyandiamide, urea or single cyanide. The method is simple in process, small in equipment investment, small in batch difference, and suitable for large-scale production; the inner diameter of the prepared nano carbon tube is 50-100 nm, the length is micron-sized, the tube wall is formed by stacking graphene sheet layers, and the tube has a higher specific surface area.
Owner:ZHEJIANG UNIV
Method for preparing solar cell silver wire grid electrode based on photolithographic mask method and liquid phase method
ActiveCN103367541AFlexible patterns and sizesGood light transmittance and conductivityFinal product manufacturePhotomechanical exposure apparatusSolar cell efficiencyElectrochemical response
The invention discloses a method for preparing a solar cell silver wire grid electrode based on a photolithographic mask method and a liquid phase method. The method disclosed by the invention comprises the following steps: (1) a photoresist template is manufactured: photoresist is uniformly coated on the surface of a silicon substrate by using a spin-coating method, and designed specific graphics on a mask are copied on the silicon substrate through the steps of exposure, development, hardening and the like; (2) Ag particles are deposited by using a chemical method: an electrochemical reaction method is used for depositing the Ag particles on the photoresist template; (3) the photoresist template is removed: the photoresist is removed by using a photoresist remover; and (4) the annealing and sintering are carried out, and after the closely arrayed Ag particles are heated at high temperature, the Ag electrode is formed by mutual communication. The micron-level Ag electrode prepared according to the method has excellent electroconductive performance and a lower reflecting rate, moreover, the preparation process is simple, resource consumption is less, the Ag electrode can well replace a silk screen printed electrode, the efficiency of a solar cell can be improved, and the cost can be lowered.
Owner:SOUTH CHINA NORMAL UNIVERSITY
N,S-codoped graphene/molybdenum selenide/CoFe-LDH aerogel and preparation thereof
ActiveCN109778225AExcellent electrocatalytic water splitting performanceApplication value of large electrolyzed waterMaterial nanotechnologyGrapheneDoped grapheneHydrogen
A preparing method of N,S-codoped graphene / MoSe2 / CoFe-LDH aerogel is provided. The method is characterized by including S1) separately preparing a graphene oxide sheet dispersion, a MoSe2 nanosheet dispersion and a layered CoFe-LDH nanosheet dispersion; S2) mixing the graphene oxide sheet dispersion and the MoSe2 nanosheet dispersion, adding a reductant and a crosslinking agent, fully mixing the mixture, reacting the mixture to obtain N,S-codoped graphene / MoSe2 hydrogel, freeze-drying the hydrogel to obtain N,S-codoped graphene / MoSe2 aerogel; and S3) soaking the N,S-codoped graphene / MoSe2 aerogel in the layered CoFe-LDH nanosheet dispersion to obtain N,S-codoped graphene / MoSe2 / CoFe-LDH hydrogel, and freeze-drying the hydrogel to obtain the N,S-codoped graphene / MoSe2 / CoFe-LDH aerogel. The prepared ternary N,S-codoped graphene / MoSe2 / CoFe-LDH aerogel has more excellent hydrogen evolution and oxygen evolution properties under alkaline conditions.
Owner:SHANGHAI INST OF TECH
Ice cream juicing all-in-one machine easy to clean
ActiveCN103519665AEasy to cleanIncrease the juice yieldFrozen sweetsStrainersIce creamMechanical engineering
The invention relates to food crushing equipment, in particular to an ice cream juicing all-in-one machine provided with a telescopic grid crushing part. The machine comprises a base, a barrel body and an end cover, wherein the barrel body is detachably installed on the side face of the base, the end cover is detachably installed on the barrel body, a crushing screw and a squeezing barrel, food to be squeezed is pushed into the squeezing barrel by the crushing screw in the rotating process, meanwhile, the crushing screw rotates relative to the squeezing barrel, and a detachable elastic grid device is arranged at the squeezed juice outlet end of the squeezing barrel. According to the machine, the problem that the machine is difficult to clean is thoroughly solved through the detachable elastic grid device which can be detached from the squeezing device, and the detachable elastic grid device can be soaked in water to be cleaned if the detachable elastic grid device can not be thoroughly cleaned; the detachable elastic grid device can make gaps enlarged under the action of external force, the gaps return to be in an original shape after the external force is removed, and therefore fruit and vegetable residues can be very easy to clean.
Owner:NINGBO GUANG ELECTRIC APPLIANCE CO LTD
Lower limb rehabilitation equipment loaded on wheelchair
ActiveCN108420612AImprove independent living abilityCompact structureChiropractic devicesWheelchairs/patient conveyanceWheelchairLocking mechanism
The invention provides lower limb rehabilitation equipment loaded on a wheelchair. The lower limb rehabilitation equipment loaded on the wheelchair comprises a chair back mechanism, a chair seat mechanism, a lower limb mechanism, an armrest mechanism and a lifting movement mechanism. According to the chair seat mechanism, a motor pushes an S-shaped support frame, and inclined states of a chair back are optimally switched in an angle range of 90 degrees from a vertical state to a horizontal state by a crank block; the chair seat mechanism is a bearing component of the whole rehabilitation equipment, and is also a mounting base frame of a power device of the equipment; a hip joint, knee joints and ankle joints of the lower limb mechanism cooperatively implement motions of tracks such as a straight line, an arc and a gait under the driving effect of multiple motors; according to the armrest mechanism, a clamping and locking mechanism controls a rectangular folding guard bar consisting ofan armrest supporting rod and an armrest surface rod piece; and by the lifting movement mechanism, the rehabilitation wheelchair has a lifting function and a movement function. The lower limb rehabilitation equipment loaded on the wheelchair is designed according to rehabilitation demands of a rehabilitation patient in different periods, unglamorous rehabilitation training of the patient is fusedinto daily life, the autonomous living capacity of the patient is improved, and scientific and effective rehabilitation training is implemented.
Owner:HEFEI UNIV OF TECH
Tile paving method
InactiveCN108222450AAvoid misalignmentGuaranteed aestheticsBuilding constructionsDislocationCivil engineering
The invention provides a tile paving method. The tile paving method comprises the following steps that the base surface is cleaned, and the perpendicularity and flatness of the base surface are detected; planning is carried out according to an area needed to be tiled, and the vertical and horizontal datum lines used for tile positioning are popped up; tiles are cleaned, and it is ensured that corners and the two surfaces of the tiles are free of oil fouling; the tiles are paved, the tiles are positioned using a leveling device, the tiles are leveled using the leveling device, and the tile seamwidth formed between every two adjacent tiles is 1.5-3 mm; after mortar is solidified, a flattening cover is removed, and pointing operation is carried out; and after the pointing is completed, a thin film is attached to the surface of the tiles after paving for conserving for 5-10 days. According to the tile paving method, dislocation phenomenon of the tiles is avoided during leveling, gaps between the tiles are controlled to be reasonable, and the beauty and practicability of the tiles after paving are enhanced.
Owner:广州炬隆卫浴制品有限公司
Counter-rotary axial fan with adjustable inlet guide vanes
InactiveCN1614242AWide adjustment range of performance curveLarge adjustment rangePump componentsAxial flow pumpsEngineeringPerformance curves
A contrarotating axial-flow fan with adjustable guide inlet blade is composed of air gathering unit, the first-stage fan with internal and external barrels, motor and rotary blade wheel, the second-stage for with internal and external barrels, motor and rotary blade wheel, and the adjustable guide inlet blade installed to the internal barrel of the first-stage fan for increasing the regulation range of performance curve.
Owner:XI AN JIAOTONG UNIV
Preparation and application of phosphorus-doped cobalt telluride nano material
ActiveCN110479329AChange densityFavorable synergiesPhysical/chemical process catalystsElectrodesHydrolysisElectron
The invention discloses a preparation method of a phosphorus-doped cobalt telluride nano material, which comprises the following steps: preparing cobalt hydroxide by using cobalt nitrate and urea as raw materials through a hydrothermal method, calcining to obtain Co3O4 nanosheets, grinding and mixing the Co3O4 nanosheets and tellurium powder, and calcining in an Ar atmosphere to obtain CoTe2 nanosheets; and finally, grinding and mixing the CoTe2 nanosheets and sodium hypophosphite, and calcining in Ar gas to obtain the phosphorus-doped CoTe2 nanoparticle material. According to the invention, phosphorus is doped, so electron cloud density of surrounding CoTe2 is changed, and favorable synergistic effect is generated to improve HER activity; the prepared P-CoTe2 nano-particle is of a porousstructure, is high in specific surface area and high in electrical conductivity, has stable and efficient catalytic hydrogen evolution performance in acidic and alkaline environments, and can be usedas an electrocatalyst for hydrogen evolution reaction by hydrolysis.
Owner:NORTHWEST NORMAL UNIVERSITY
Preparation method for high-haze composite transparent conductive electrode
InactiveCN105355675AHigh hazeImprove conductivityFinal product manufacturePhotovoltaic energy generationTransmittanceOxide
The invention discloses a preparation method for a high-haze composite transparent conductive electrode. The method comprises the following steps that (1) a cracking liquid is prepared; (2) a cracking template is prepared; (3) a metal film is deposited; (4) a cracking template is removed; (5) a metal oxide is deposited; (6) an etching liquid is prepared; and (7) a composite film is etched to obtain the high-haze composite transparent conductive electrode. The electrode prepared by the method is higher in the haze, can effectively scatter incident light, greatly enhances light absorption of a film cell semiconductor layer, increases the short-circuit light current density, and finally improves the photoelectric conversion efficiency of a solar cell; and in addition, the composite electrode also has the advantages including low surface resistance, higher light transmittance and high environmental stability.
Owner:SOUTH CHINA NORMAL UNIVERSITY
Preparation method of porous carbon material based on ionic heat process
ActiveCN103395769ALarge specific surface areaRaw materials are cheap and easy to getCarbon preparation/purificationPorous carbonBiological materials
The invention discloses a preparation method of a porous carbon material based on an ionic heat process. The preparation method comprises the following steps: (1) adding a biological material into ionic liquid to form a mixed solution, wherein the ionic liquid consists of anions and cations, and the cations are one of formulas (I) to (IV); and (2) heating the solution to 140 to 260 DEG C, preserving heat for 10 to 48 hours, cooling and performing aftertreatment to obtain the porous carbon material. According to the preparation method of the porous carbon material based on the ionic heat process, the preparation process is simple, energy consumption is low, any severe conditions are not needed, products are easy to purify, the product structure is easy to adjust, and a great potential application value is achieved.
Owner:ZHEJIANG UNIV
Machine vision based fabric pattern adjustment method and device thereof
ActiveCN101818449AImprove pass rateSolve the problem of flower shape distortionInspecting textilesMachine visionElectric machinery
The invention relates to a machine vision based fabric pattern adjustment device. A pair of adjustment bowed rolls and more than two adjustment diagonal rolls are arranged between a front cloth guide roller and a rear cloth guide roller on a rack; one end of each adjustment bowed roll is installed on the rack and the other end is connected with a bowed roll motor of a bowed adjustment mechanism; the adjustment diagonal rolls are installed on a bracket on a diagonal roll adjustment mechanism; one end of the bracket is articulated to the rack and the other end is connected with the diagonal roll motor by screw nuts and screw rods; an industrial camera and a light source bracket are installed on the front cloth guide roller or / and the rear cloth guide roller; a light base is installed on the light source bracket; a linear light source is installed on the light base; the output end of an encoder installed on a transmission rod which is synchronous with fabric is connected with the input end of the industrial camera; the input end of a central processing unit is connected with the output end of the industrial camera; and the output end of the central processing unit is connected with the bowed roll motor and a diagonal roll motor. The invention can automatically adjust the inclining and bending of a pattern and achieves the effect of automatic pattern adjustment.
Owner:顾金华
Heavy oil viscosity reducer and preparation method thereof
ActiveCN105647502AGood sensitivity to viscosity reductionHigh viscosity reduction rateDrilling compositionOil viscosityPolymer
The present invention belongs to the technical field of organic chemical industry, and relates to a heavy oil viscosity reducer and a preparation method thereof, the viscosity reducer is prepared by ternary polymerizationof fluorocarbon alcohol ether (methyl) acrylate, maleic anhydride and styrene, the preparation method comprises the following stesp: synthesis of fluorocarbon alcohol ether; synthesis of fluorocarbon alcohol ether acrylate, synthesis of a ternary polymer, and preparation of the viscosity reducer. The advantages are as follows: the viscosity reducer can significantly reduce the viscosity of a variety of heavy oil especially cycloalkyl heavy oil, can prevent wax from forming a network structure, also can make asphaltene and colloid highly dispersed. The viscosity reducer can make the colloid stabile in property, the heavy oil may not be layered by placing for long time, and the viscosity reducer is remarkable in viscosity reduction effect, low in cost, and facilitates oil transport and application.
Owner:PETROCHINA CO LTD
Safety seat with adjustable headrest
PendingCN108657033ASimple adjustment structureEasy to operateChild seatsEngineeringMechanical engineering
Owner:MAX INF NINGBO BABY PROD
Filter and fly rod fastening structure thereof
The invention provides a filter and its flying rod fastening structure. The filter includes a cavity and a cover plate. The cover plate covers the cavity to form a resonant cavity. The cavity is provided with ribs. The filter also includes a flying rod. A rod fastening structure, the flying rods of the flying rod fastening structure are installed on the ribs of the cavity. The fly rod fastening structure includes a fly rod seat and a fly rod. The lower end of the fly rod seat has an open slot extending along the length direction of the fly rod seat. The diameter of the positioning hole is larger than the width of the opening slit. At least one coupling hole is opened on the upper end of the fly rod seat, and the diameter of the coupling hole is larger than that of the coupling adjusting screw rod. The present invention performs rough adjustment of the coupling strength of the flying rod through the above-mentioned positioning hole, and then provides space for the fine adjustment of the coupling strength of the flying rod through the above-mentioned coupling hole, which is beneficial to the coupling of the flying rod after the installation of the flying rod or even after the cavity is installed. The strength is adjusted to a certain extent to compensate for the dimensional deviation of the fly rod due to assembly and manufacturing errors. The adjustment structure is simple, low in cost, convenient for assembly and debugging, can greatly reduce the probability of repair due to improper coupling of the fly rod, and improve the production pass rate.
Owner:TONGYU COMM INC
High-efficiency bearing cleaning machine
InactiveCN101214486AGood cleaning effectSimple adjustment structureCleaning using liquidsConveyor partsEngineeringMechanical engineering
The invention relates to an effective veering cleaning machine, which comprises a body, a feeding device and an ultrasonic generating device. The feeding device comprises a rail. The ultrasonic generating device comprises a vibration plate. The upper surface of the rail and the upper plane of the ultrasonic vibration plate are coplanar and connected in sequence. The rail and one end of the vibration plate are provided with a regulating pressure plate and a regulating rail. The feed end of the rail is provided with a material-pushing device. The material-pushing device comprises a cylinder, a fixed material-pushing plate and an adjustable material-pushing plate. The fixed material-pushing plate has flexible connection with the adjustable material-pushing plate. The invention can clean various bearings or the parts of bearing and has high efficiency and good cleaning effect.
Owner:无锡市博阳精密机械制造有限公司
Fret saw cutting device
ActiveCN105127510ASmooth motionAdjustable tensionMetal sawing devicesMetal sawing accessoriesReciprocating motionRare earth
The invention discloses a fret saw cutting device which comprises a fret saw frame and a locating clamp. Fret saws are arranged on the fret saw frame side by side, the fret saw frame can be driven by a fret saw frame driving mechanism to drive the fret saws to reciprocate linearly, and the locating clamp is driven by a clamp driving mechanism to move on the horizontal plane. The fret saw cutting device can be used for cutting multi-dimensional products in large scale, and the producing efficiency is greatly improved. When being arranged in the oxygen controlling equipment, the fret saw cutting device can be applied to near-net processing of green compact of special materials especially rare-earth permanent magnetic materials and can prevent the materials from being oxidized in processing.
Owner:浙江三环康盈磁业有限公司
Four-frequency dual-polarized antenna and wireless communication device
PendingCN110011043ACompact structureSimple adjustment structureSimultaneous aerial operationsRadiating elements structural formsCouplingWaveguide
The invention discloses a four-frequency dual-polarized antenna and a wireless communication device. The four-frequency dual-polarized antenna comprises a first metal layer, a first substrate integrated waveguide, a second metal layer, a second substrate integrated waveguide and a metal floor which are arranged in sequence from top to bottom, wherein the first metal layer is provided with a rectangular ring radiation gap; the middle portion of the second metal layer is provided with a cross-shaped coupling gap; rectangular coupling gaps are respectively arranged at four sides of the cross-shaped coupling gap, the middle portion of the second substrate integrated waveguide is provided with a feed through hole, and the metal floor is provided with a circular gap arranged on the correspondingposition of the feed through hole; and the wireless communication device comprises the antenna mentioned above. The antenna employs the coaxial feed excitation mode to couple the energy at the upperportion through different coupling gaps and from different paths and radiate the energy by the rectangular ring radiation gap, and the antenna is compact in structure, low in profile and stable in radiation pattern and can achieve simple and adjustable four-frequency dual-polarized performances.
Owner:SOUTH CHINA UNIV OF TECH
Adjustable safety relief valve
InactiveCN101162064ASimple adjustment structureEasy to manufactureEqualizing valvesSafety valvesVisibilitySteel ball
The invention discloses an adjustable safety relief valve which comprises a valve body, a steel ball, an obturating ring, a sliding block, a spring, an O-shaped obturating ring, a bolt and a nut. The left end surface of the valve body is provided with a round oil inlet, the left outer wall is provided with an oil outlet. The outer wall of the valve body is provided with external threads. The steel ball, the obturating ring, the sliding block and the spring are orderly arranged in the valve body from left to right. An inner hole on right end of the valve body and a bolt form an axial regulation mechanism, and the axial position of the bolt is locked by the nut. The obturating ring is arranged between the matching surface of the sliding block and the steel ball to prevent the oil from axial leaking. The invention can alter the elastic thrust of the spring to the steel ball by adjusting the bolt, namely to regulate the off-load pressure value. The invention is convenient to be adjusted and locked due to the visibility of the adjustable structure and is suitable for safety relief valves of all power steering gears.
Owner:JIANGSU GANGYANG STEERING SYST
Conveying and locating device for full-automatic die cutting waste discharging machine
The invention discloses a conveying and locating device for a full-automatic die cutting waste discharging machine. The conveying and locating device comprises a right adjustment roller, a connection barrel body, a connection cross beam, a connection plate, a flange bar, a conveying roller, an air suction pipe, a dust collection negative pressure bin, a vacuum pump, a working table, distance measurers, servo motors and a left adjustment roller, wherein the conveying roller is arranged above one end of the working table; the conveying roller is in contact with the tabletop of the working table; rotating shafts at two ends of the conveying roller are fixedly connected to two sides of the working table through bearing pedestals; a rotating shaft at one end of the conveying roller is connected with the output end of one servo motor through a shaft coupler; and a plurality of air inlets are formed in the surface of the working table below the conveying roller. According to the conveying and locating device, the conveying roller supplies power to conveying of raw materials or wastes; moreover, the two servo motors are used for respectively controlling the left adjustment roller and the right adjustment roller to realize deflection correction of conveying and locating, thus providing conveying stability; and by the use of the distance measurers for detection control, the conveying and locating device is high in sensitivity and quick for adjustment.
Owner:东台世恒机械科技有限公司
Method for preparing titanium alloy bionic coating through compounding of laser and anodic oxidation
ActiveCN106917127AEasy to adjust structureHarm reductionSurface reaction electrolytic coatingTitanium alloyCorrosion
The invention discloses a method for preparing a titanium alloy bionic coating through compounding of laser and anodic oxidation. The method comprises the following steps: placing titanium alloy subjected to laser pretreatment in absolute ethyl alcohol or acetone for ultrasonic cleaning for 5-10 min; taking out and thoroughly rinsing the titanium alloy with distilled water; placing the rinsed titanium alloy in an alkaline degreasing solution for soaking, and then taking out the soaked titanium alloy; sequentially washing the soaked titanium alloy with running hot water and running cold water; placing the washed titanium alloy in an anodic oxidation solution; and by taking stainless steel as the cathode, performing anodic oxidation treatment for 60-90 min to obtain the titanium alloy with a bionic coating. Compared with a traditional anodic oxidation method, the method provided by the invention has the advantages that before anodic oxidation, pollution-free laser is adopted to pre-process the surface of the titanium alloy, so that the surface microstructure of the titanium alloy can be adjusted more easily; besides, the anodic oxidation adopts the main ingredient of malic acid while such strong-acidity substances as hydrofluoric acid, sulfuric acid and nitric acid are not used in the whole process, high safety and no toxicity are achieved, and pollution to the environment and harms to a human body are reduced to the minimum; the bioactivity, the wear resistance and the corrosion resistance of the material are greatly improved, and the service life of an implant is prolonged.
Owner:ZHEJIANG UNIV OF TECH
Bearing clearance detector
ActiveCN106907980AReasonable structural designEasy clampingMechanical clearance measurementsMechanical engineering
The invention relates to a bearing clearance detector comprising a substrate, an axial clearance detection meter, a mandrel and a bearing fixing tool, wherein a meter head of the axial clearance detection meter is in an abutting fit relation with an axial end of the mandrel, the bearing fixing tool comprises a support seat fixed on the substrate, a clamping mechanism used for firmly fixing an outer ring of a bearing to be detected is arranged on the support seat, a top part of the support seat is provided with a V-shaped groove, the clamping mechanism comprises a first clamping block and a second clamping block that are arranged along a length direction of the V-shaped groove at an interval, a clamping cavity used for axially clamping the outer ring of the bearing to be detected is formed in the interval between the first clamping block and the second clamping block, the V-shaped groove is at least partially positioned in the clamping cavity and forms a V-shaped positioning groove body, and each of top parts of the first clamping block and the second clamping block is provided with a V-shaped opening; an angle clearance detection meter is correspondingly matched on the other end of the mandrel of which one end is matched with the axial clearance detection meter, and a meter head of the angle clearance detection meter is in the abutting fit relation with a circumferential surface of the mandrel. The bearing clearance detector is reasonable in structure design, and the bearing to be detected is convenient to install, clamp and dismount.
Owner:C&U CO LTD +1
Medium concentration hydraulic double disc stuff grinder
ActiveCN102400406AEasy to adjustConvenient beating specific pressurePulp beating/refining methodsHydraulic cylinderHydraulic pump
The invention discloses a medium concentration hydraulic double disc stuff grinder, comprising a hydraulic adjusting unit and a medium concentration double disc stuff grinder body. The hydraulic adjusting unit consists of a hydraulic cylinder, an electromagnetic direction valve, a pressure retaining valve, a hydraulic pump, an oil pump motor and an oil tank connected orderly by pipelines. The oil tank is further connected with a cooler, a pressure adjusting valve and a pipeline of a pressure gauge; the medium concentration double disc stuff grinder body consists of a double shell and a shell cover, a coupler, a motor, a bearing body suspension and a bearing body, a shaft, a left fixed disc base and left and right fixed discs, left and right rotary discs and a rotary disc base. The hydraulic cylinder is fixed on the shell cover. One end of the piston rod is fixed on the left fixed disc base while the other end is provided with a mechanism limiting fine-adjusting nut. The left fixed disc is fixed on the left fixed disc base and the right fixed disc is fixed on the shell. The left and right rotary discs are fixed respectively at both sides of the rotary disc base. Tangential stock inlets are arranged on the left fixed disc base and the shell. The shell is provided with a stock outlet. The invention adjusts the definitely proportional pressure of the millstone which feeds and discharges through the pressure retaining valve to pulp in medium concentration, thereby improving the pulping quality and efficiency thereof.
Owner:SOUTH CHINA UNIV OF TECH
Medical walking stick
The invention discloses a crutch for medical use, which comprises a crutch body, a bracket and a telescopic rod. The crutch body is provided with a bracket. A telescopic rod is welded at the bottom of the bottom, and the side part of the second fixed sliding sleeve is rotationally connected with the supporting leg through a rotating shaft. In the present invention, the second fixed sliding sleeve is slidably sleeved on the thin rod of the telescopic rod, and the sides of the second fixed sliding sleeve are respectively connected with three supporting legs through rotating shafts. By unfolding and placing the three supporting legs, it can effectively improve the The support and stability of crutches, in the early stage of recovery, the support legs can be extended to improve the stability of the crutches and prevent the patient from causing secondary injuries. After a period of recovery, in order to increase the difficulty of training, the support legs can be retracted. In order to improve the stress of the injured leg, so as to achieve an efficient physical therapy effect.
Owner:CHENGDU YANXINGGUO TECH CO LTD
Device for aligning concentricity and carrying out automatic welding during planted pile butt joint
ActiveCN110695584APlay a buffer roleImprove construction efficiencyWelding/cutting auxillary devicesAuxillary welding devicesButt jointIndustrial engineering
The invention discloses a device for aligning the concentricity and carrying out automatic welding during planted pile butt joint. The device comprises a round guide rail, a welding gun frame arrangedon the round guide rail in a running fit manner, and a welding gun mounted on the welding gun frame and further comprises a pair of first pile holding arms, a pair of second pile holding arms and tworotary motors mounted on a rack. The first pile holding arms and the second pile holding arms are symmetrically arranged and synchronously act. An output shaft of each rotary motor is fixed to the swing end of a respective swing arm, and respective supporting frames are hinged to the pile holding ends of the swing arms. Structures for allowing upper piles and lower piles to automatically align the concentricity when the upper piles fall off are arranged on the supporting frames. The pile holding ends of the swing arms are further connected with arc-shaped plates abutting against the butt joint positions of the upper pile and the lower piles through elastic devices. Semi-circular guide rails are fixed to the two arc-shaped plates, and after the two arc-shaped plates hold the piles, the twosemi-circular guide rails form a round guide rail. According to the device for aligning the concentricity and carrying out automatic welding during planted pile butt joint, the upper piles and the lower piles connected end to end can be automatically aligned, and the device can be automatically mounted at the butt joint positions of the piles.
Owner:厦兴科技(浙江)有限公司
Full-automatic winding facility
PendingCN111017605AAvoid shakingAvoid bending deformationLabelling machinesWebs handlingMachineMachining process
The invention relates to a full-automatic winding facility. The following technical scheme is provided. The full-automatic winding facility comprises a machine frame, a feeding device, a cutting device, a winding device, a paper tube core conveying device, a labelling device and a finished product output device. The feeding device, the cutting device, the winding device, the paper tube core conveying device, the labelling device and the finished product output device are arranged on the machine frame. The winding device comprises a rotating disc. The rotating disc can rotate in the circumferential direction. Multiple winding air expansion shafts which can run along with the rotating disc are arranged on the rotating disc. The cutting device comprises an upper cutter mechanism, a lower cutter mechanism and a paper press mechanism. The lower cutter mechanism and the upper cutter mechanism are correspondingly arranged, and the paper press mechanism is located on the upper cutter mechanism. A winding auxiliary clamping device is arranged between the winding device and the cutting device. Adjusting wallboards which are symmetrically arranged in pairs, are erected on the machine frame and enable the upper cutter mechanism to be integrated are arranged on the upper cutter mechanism. By the adoption of the technical scheme, the full-automatic winding facility which can adjust the cutting distance according to winding drums with different thicknesses, prevents the winding air expansion shafts against bending deformation in the machining process, is stable in clamping and supportingmovement and improves the winding efficiency is provided.
Owner:瑞安市德冠机械有限公司
Manual purging adjusting device and air conditioner comprising same
InactiveCN104422095ASimple adjustment structureEasy to adjust manuallyLighting and heating apparatusVehicle heating/cooling devicesPulp and paper industry
Owner:GREE ELECTRIC APPLIANCES INC
Heterogeneous catalyst for selective hydrogenation reaction of alkyne compound and application thereof
ActiveCN109174088AGood dispersionFacilitated DiffusionCarboxylic acid nitrile preparationOrganic compound preparationPorous carbonTitanium oxide
The invention discloses a heterogeneous catalyst for a selective hydrogenation reaction of an alkyne compound and an application thereof. The heterogeneous catalyst comprises, by weight, 1 to 10% of noble metal particles, 9 to 90% of a titanic oxide and 9 to 90% of porous carbon. Compared with the common commercial activated carbon supported Pd catalyst or titanium dioxide supported Pd catalyst, the heterogeneous catalyst has obvious synergistic effects in catalysis of a selective hydrogenation reaction for preparing an alkyne compound. The porous carbon can promote the diffusion of the substrate, further adjust and control the interaction between the noble metal particles and titanium oxide, realize charging of noble metal particles and improve the alkyne compound hydrogenation catalyticactivity and selectivity. The heterogeneous catalyst has styrene selectivity of greater than 95% and a phenylacetylene conversion rate of 100% in catalysis of a selective hydrogenation reaction for preparing an alkyne compound.
Owner:ZHEJIANG UNIV OF TECH
W/O/W multiphase emulsion and method for preparing hierarchical pore SiO2 microspheres using W/O/W multiphase emulsion as formwork
The invention discloses a W / O / W multiphase emulsion and a method for preparing hierarchical pore SiO2 microspheres using the W / O / W multiphase emulsion as a formwork. The multiphase emulsion uses micromolecular compounds as a stabilizing agent, uses a silylating reagent as an oil phase, and uses a hydrochloric acid aqueous solution of which the pH is 2-5 as an aqueous phase; the W / O / W multiphase emulsion is prepared by a one-step method, and the prepared emulsion is uniform in the distribution of liquid drops. According to the preparation method disclosed by the invention, the W / O / W multiphase emulsion is used as a formwork, the hierarchical pore SiO2 microspheres are prepared by a reaction under ammonia atmosphere, the operation is simple and easy, the cost is low, and the method is environmental-friendly; the prepared SiO2 microspheres have rich multistage pore canal structures, and the pore canal structures are regular, and good in permeability; besides, the SiO2 microspheres have large specific surface areas and high heat stability, the hydrophilic-hydrophobic property is adjustable, the carried functional groups are adjustable, and the SiO2 microspheres can be applied in the varied fields of adsorption, separation, catalysis, medicines and the like.
Owner:SHAANXI NORMAL UNIV
Support for hole drilling and rebar planting of indoor building top and wall column side face and construction method thereof
ActiveCN108086663AShorten the timeSave energyAgriculture gas emission reductionBuilding scaffoldsAir blowerRebar
The invention discloses a support for hole drilling and rebar planting of indoor building top and wall column side face and a hole drilling and rebar planting construction method thereof. The supportcomprises a first upright, a second upright and a four-connection-rod mechanism, and a tool mounting device is arranged at the end, close to the building top and the wall column side face, of a secondforce transmission rod; a turnplate a structure driving the turnplate to rotate and a structure enabling the turnplate to be located at a preset position are arranged at the end, close to the building top and the wall column side face, of the second force transmission rod, and a drilling tool mounting device, an electric air blower mounting device, a glue injector mounting device and a pneumaticfinger for mounting and rebar planting are sequentially and equally fixed at the edge of the turnplate along the circumference. The support is convenient to operate and high in construction efficiencyand safety. By adopting the support and the construction method, hole drilling, cleaning of dust in holes, glue injecting and rebar planting can be performed on the ground, so that time and physicalpower of operating personnel for getting on and off an operation frame or a herringbone ladder are saved in the whole process, and potential safety hazards and accidents caused by hole drilling operation on the frame or the ladder are avoided; the support is convenient to operate and high in construction efficiency and safety.
Owner:DARONG CONSTR GROUP
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