Product
Patsnap Eureka
For R&D, Patsnap Eureka makes reading and utilizing patents & technical documents easy.
Patsnap Eureka AIR
Designed for self-driven R&D workflows. Generate viable solutions, solve complex R&D challenges, empower your innovation with AI.
Patsnap Eureka Materials
Designed for material experts only. Revolutionize your material R&D, from search, analyze, to developing new materials.
Feature
TechResearch
Generate reliable direction feasibility study reports for your R&D in just a few steps.
TechSeek
Discover and master advanced knowledge NOW. Basics, ideas, possibilities, all at once.
TechMind
As an expert in R&D Theories, TechMind can generates customized viable solutions instantly.
TechRisk
Analyze your overall solution with one click, know your potential R&D risks in advance.
TechMonitor
Get weekly tech updates, stay abreast of the latest tech innovations and key insights.
Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
65results about How to "Guaranteed stretching effect" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
X80 and below steel grade pipeline steel for deep-sea drilling marine riser and preparation method thereof
The invention relates to X80 and below steel grade pipeline steel for a deep-sea drilling marine riser which comprises the chemical components in percentages by mass: 0.04-0.08% of C, 1.7-1.85% of Mn, 0.25-0.45% of Si, less than or equal to 0.001% of S, less than or equal to 0.010% of P, 0.02-0.04% of Nb, 0.008-0.03% of Ti, 0.01-0.06% of V, less than or equal to 0.06% of Alt, less than or equal to 0.010% of N, less than or equal to 0.006% of O, less than or equal to 0.30% of Mo, less than or equal to 0.30% of Cu, 0.15-0.35% of Ni, 0.15-0.45% of Cr, less than or equal to 0.01% of Ca and the balance of Fe and inevitable impurities. A steel plate smelting process route is as follows: material preparation; converter or electric furnace smelting; external refining; continuous casting; slab reheating; special TMCP process; and air cooling to room temperature. The steel provided by the invention can obviously improve the mechanical property of the deep-sea drilling marine riser.
Owner:JIANGYIN XINGCHENG SPECIAL STEEL WORKS CO LTD
Heat treatment production method of steel rail for mixed passenger and freight traffic railway and obtained steel rail
The invention relates to the field of steel making, in particular to a heat treatment production method of a steel rail for a mixed passenger and freight traffic railway and the steel rail obtained by the method. The method includes the steps that the railhead tread center, the two sides of a railhead and the rail base center of the steel rail obtained after rolling are sequentially subjected to accelerated cooling, slow cooling and air cooling; the starting cooling temperature of accelerated cooling is 650-950 DEG C, the cooling speed is 2.5-7 DEG C / s, and the final cooling temperature is 400-600 DEG C; the cooling speed of slow cooling is 0.1-1.5 DEG C / s, and the final cooling temperature is 180-300 DEG C. The steel rail comprises, by weight, 0.71%-0.82% of C, 0.13%-0.60% of Si, 0.65%-1.25% of Mn, 0.05%-0.25% of Cr, 0-0.1% of Al, 0-0.025% of P, 0-0.025% of S and 97.01%-98.46% of Fe. By the adoption of the method, hardness of the steel rail can be controlled within the appropriate range of 350-380 suitable for the mixed passenger and freight traffic railway under the premise of guaranteeing the tensile property of the steel rail.
Owner:PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP
Cooling device and spinning equipment
ActiveCN110318104AUniform temperatureQuality assuranceFilament/thread formingCooling effectStorage tank
The invention discloses a cooling device and spinning equipment. The cooling device comprises a cooling box body, multiple partition plates, composite spinning pipes, a coolant storage tank, a main water supply pipe, a circulating water pump and a main water returning pipe. The cooling box body is of a columnar structure with a hollow inside and opposite openings in the two ends; the partition plates are distributed on the two opposite sides of the inner side wall of the cooling box body to form a spiral passage; the composite spinning pipes penetrate through the partition plates and are usedfor allowing composite spun filaments to pass; the coolant storage tank is used for storing a coolant; the main water supply pipe is communicated with a water inlet of the cooling box body and extendsinto the coolant storage tank; the circulating water pump is connected with the main water supply pipe and used for extracting the coolant from the coolant storage tank; the main water returning pipeis communicated with a water outlet of the cooling box body and extends into the coolant storage tank. The cooling device can improve the cooling effect on the composite spinning pipes.
Owner:JIANGSU UNIV OF SCI & TECH IND TECH RES INST OF ZHANGJIAGANG
Easy-to-tear polypropylene packing bag and manufacturing method thereof
InactiveCN101376439AMechanical properties unchangedPhysical properties unchangedBagsSacksReduction treatmentStretch ratio
The invention discloses an easy-to-tear type polypropylene packing bag and a manufacturing method thereof. The packing bag comprises a heat-seal layer which is made of polypropylene film through one-way orientation stretching. The manufacturing method comprises the following steps: firstly, polypropylene film which meets sanitary requirements is taken as the material, and one-way orientation stretching is performed to the polypropylene film after the polypropylene film is heated to 100 to 600 DEG C, and the stretch ratio is 1.1 to 5; secondly, temperature reduction treatment performed to the film which is processed through orientation stretching, concretely the temperature of the film which is processed through orientation stretching is quenched to the environment temperature; thirdly, corona treatment is performed to the film which is stretched, to ensure the surface tension of the film to be larger than 38 dynes, thereby a shaped easy-to-tear type polypropylene packing film is obtained, and is rolled; fourthly, the film is superposed on a required additional layer to obtain the wall layer of the packing bag, namely, a composite layer structure; and fifthly, the wall layer is folded and a plurality sides are sealed to form a bag shape with an opening to obtain a finished packing bag. When the packing bag is torn along the stretching direction of the heat-seal layer, the opening is in a straight-line shape.
Owner:ZHEJIANG GOLDSTONE PACKING
Super-hydrophobic water-proof moisture-permeable nanometer fiber material and preparation method thereof
InactiveCN109629113AHigh moisture permeabilitySuperhydrophobicElectro-spinningConjugated synthetic polymer artificial filamentsPorosityFiber
The invention belongs to the field of high polymer materials, and particularly relates to a super-hydrophobic water-proof moisture-permeable nanometer fiber material and a preparation method thereof.The super-hydrophobic water-proof moisture-permeable nanometer fiber material is prepared from super-hydrophobic electrospinning nanometer fibers of a three-dimensional through porous structure through mutually staggered arrangement, wherein the super-hydrophobic electrospinning nanometer fibers are a blend of polystyrene, polyurethane and a hydrophobe modified silicon dioxide. The preparation method comprises the steps that the polystyrene, the polyurethane and the hydrophobe modified silicon dioxide are uniformly dispersed into an organic solvent to form a spinning solution, and preparationis conducted through electrospinning. The fiber film is small in diameter, interfiber pores are small, the porosity is high, the moisture permeable flux is high, the water-proof performance is improved, the moisture permeable performance is improved, and the super-hydrophobic water-proof moisture-permeable nanometer fiber material has wide application prospects in the outdoor and protective fields.
Owner:SHANGHAI UNIV OF ENG SCI
Closed permeating waterproof fruit film bag
InactiveCN101019494ALarge air flowEliminate fruit rustCoatingsPlant protective coveringsPolyolefinCalcium carbonate
The present invention discloses one kind of closed permeating waterproof fruit film bag. The polyolefin film bag is prepared with LDPE polyolefin resin, LLDPE polyolefin resin or PP-polyolefin copolymer resin, calcium carbonate or talcum powder, coupler, modifier and dispersant as materials in a special plastic film bag making machine. It is provided with one tying rope in the mouth.
Owner:徐世慧
Rat-proof optical cable, preparation method thereof, and outer sheath material of rat-proof optical cable
The invention provides a rat-proof optical cable, a preparation method thereof, and an outer sheath material of the rat-proof optical cable. The rat-proof optical cable comprises a cable core which is formed by stranding a central reinforcement piece and a plurality of beam tubes around the reinforcement piece, and the beam tubes are internally provided with a plurality of optical fibers. The cable core is wrapped by a stainless steel belt, and an outer sheath is extruded at the outermost layer of the cable core. The stainless steel belt is a lipped stainless steel belt with the lipped width of 5mm and the height of 2.5mm, and firstly hot melt adhesive is injected into the joint of the lipped steel belt and then the lipped stainless steel belt is wrapped by multiple stainless steel wires with the diameter of 0.4mm. According to the rat-proof optical cable provided by the invention, under the premise of ensuring structural strength and tensile performance, the bite of rats is effectively prevented, the preparation method is simple and convenient, and the outer sheath used by the optical cable has the effects of wear resistance, low smoke, non halogen, and rat control.
Owner:JIANGSU TRIGIANT TECH +1
Ionic flexible touch sensor
ActiveCN110058738AGood light transmissionAdd depthSynthetic resin layered productsInput/output processes for data processingOptical transparencyContact pressure
The invention discloses an ionic flexible touch sensor. A sensor comprises a plurality of conducting layers, a plurality of insulating layers and two packaging layers. The mutiple conducting layers are arranged in a laminated manner. One insulating layer is arranged between every two conducting layers in a laminated manner and the two packaging layers are respectively packaged on the upper surfaceand the lower surface of the conducting layers arranged in the laminated manner; wherein the conductive layer is made of an ionic conductive flexible gel material, and the insulating layer and the packaging layer are respectively made of an insulating high-molecular polymer material. The ionic flexible touch sensor can be integrated with a contact position measurement module and a contact pressure / tensile force detection module. A complete set of complete structural design and manufacturing technical solution of the ionic flexible touch sensor is provided, and a product has the advantages ofhigh optical transparency, deep flexibility, low manufacturing cost, high position measurement resolution, high sensitivity and the like.
Owner:SHENZHEN GRADUATE SCHOOL TSINGHUA UNIV
Method for preparing large-specification thin-composite-layer nickel-based alloy and pipeline steel composite plate
ActiveCN107185961AGuaranteed bonding strengthGuaranteed stretching effectRoll force/gap control deviceTemperature control deviceReduction ratioAlloy
The invention discloses a method for preparing a large-specification thin-composite-layer nickel-based alloy and pipeline steel composite plate. The method comprises the following steps that 1, a nickel-based alloy plate serving as a composite layer and a pipeline steel plate serving as a base layer are composited to prepare composite board blank through explosion welding; 2, a leveling treatment is carried out on the composite board blank, and then a heating treatment is carried out on the composite board blank; 3, a cooling treatment is carried out on the heated composite board blank; and 4, the composite board blank which is subjected to the cooling treatment is fed into an asynchronous rolling mill for asynchronous rolling to obtain the nickel-based alloy and pipeline steel composite plate, wherein the shearing strength of the nickel-based alloy and pipeline steel composite board is not less than 210 MPa, the total rolling reduction ratio of asymmetrical rolling is 50%-90%, and the different speed ratio of each pass of the asynchronous rolling mill is 1.05-1.30. According to the method for preparing the composite plate, the corrosion resistance of the nickel-based alloy plate serving as the composite layer is ensured, and the tensile property and the impact toughness of the pipeline steel plate serving as the base layer are ensured; and the bonding strength and other properties of the composite plate can meet the requirements specified in the NB / T47002.2 standard, and even the requirement for rolling force of the rolling mill is reduced.
Owner:XIAN TIANLI CLAD METAL MATERIALS
High-thermal-conductivity radiation refrigeration fiber, preparation method thereof and fabric
InactiveCN112458563AImprove thermal conductivityImprove featuresFilament/thread formingBraidFiberMicro nano
The invention belongs to the field of radiation refrigeration materials, and particularly discloses high-thermal-conductivity radiation refrigeration fiber, a preparation method thereof and fabric. The radiation refrigeration fiber comprises a polymer substrate and thermal-conductive micro-nano particles, wherein the thermal-conductive micro-nano particles are uniformly distributed in the polymersubstrate, and the particle size of the thermal-conductive micro-nano particles is 0.1 [mu]m-5 [mu]m; and the high-thermal-conductivity radiation refrigeration fiber is suitable for preparing radiation refrigeration fabric worn by a human body. The micro-nano particles are doped in a polymer, so that the thermal conductivity of composite fiber can be effectively improved, the micro-nano high-thermal-conductivity particles have good reflection characteristics in a solar band, and the radiation refrigeration performance of the fiber is also enhanced; and the radiation refrigeration fiber has excellent heat-conducting property, radiation refrigeration property and mechanical property, and is simple and convenient in preparation method and easy for industrial production.
Owner:HUAZHONG UNIV OF SCI & TECH
Traction rope fixing device for finger tension rehabilitation training
PendingCN110384599AReduce shakingSmooth and smooth stretching motionChiropractic devicesPull forceEngineering
The invention discloses a traction rope fixing device for finger tension rehabilitation training. The traction rope fixing device comprises a transition connecting block, a plurality of first annularknuckle sleeves and a plurality of second annular knuckle sleeves, the transition connecting block is provided with a plurality of guiding holes for allowing traction ropes to penetrate, the multiplefirst annular knuckle sleeves are used for being fixed to fingers, and the multiple second annular knuckle sleeves are used for being fixed to the outmost ends, close to the fingertips, of the fingers; and traction holes for allowing the traction ropes to penetrate are formed in the first annular knuckle sleeves and the second annular knuckle sleeves correspondingly. Through the traction rope fixing device, the traction ropes connected to a stretching driving device are connected with the fingers of a human body, and the stretching driving device drives the fingers to conduct stretching training through the traction ropes. According to the traction rope fixing device, transition connecting between the traction ropes of the stretching driving device and the fingers of the human body is mainly provided, so that the comfortableness of the fingers in the training process is improved, friction damage of the traction ropes to the fingers in the training process is avoided, reasonable position layout is provided for the traction ropes, and the effectiveness of finger tension rehabilitation training is ensured.
Owner:JILIN UNIV FIRST HOSPITAL +1
Hardware plate tension device
The invention belongs to the technical field of tension devices, and particularly relates to a hardware plate tension device. The hardware plate tension device comprises an empty box, a stepping motorand a controller, wherein a No.1 air cylinder, a No.1 air bag, a No.2 air cylinder, a hollow cavity, a No.2 air bag, a No.3 air cylinder and an impact cabin are arranged in the hollow cavity. The hardware plate tension device has the advantages that under the cooperation of the No.1 air bag and the No.1 air cylinder, the cooperation of the hollow cavity and the No.2 air cylinder, as well as the cooperation of the No.2 air bag and the No.3 air cylinder, and arranging the impact cabin, a hardware plate can be well pressed, and the tension effect of the hardware plate is guaranteed; while the hardware plate is tensioned, the hardware plate can be continuously impacted for multiple times by the impact cabin, so as to completely eliminate the internal stress of the hardware plate.
Owner:江苏南京国家农业高新技术产业示范区发展集团有限公司
Leg stretching device
ActiveCN108939439AEnsure safetyGuaranteed stretching effectGymnastic exercisingBody shapeComputer module
The invention discloses a leg stretching device. The device comprises a bottom plate provided with a weighing scale, a stretching device body and a control terminal, wherein a supporting rod is perpendicular to the bottom plate; the stretching device body comprises a bracket and a stretching plate; a scale tray is arranged on an upper frame of the stretching plate; the stretching plate is arrangedat the pointed end of the triangular bracket through a supporting shaft frame; the control terminal comprises a database, a data collecting module, an analyzing module, an executing module and a driving motor; the data collecting module collects first weighing data and second weighing data of the weighing scale and sends the data to the analyzing module; the analyzing module analyzes the receiveddata, according to the analyzing result, scientific stretching data most matched with the analyzing result is found in the database, and the executing module controls the driving motor to drive the bracket and a supporting shaft to move according to the found scientific stretching data. According to the leg stretching device, parameters of the stretching device can be adjusted according to different body shapes of trainers, scientific front and back bending and stretching, stretching and relaxing training for the front and back muscle groups and the ligaments of shanks can be conducted, and the leg stretching device is safe, simple and effective.
Owner:HOHAI UNIV
Film bidirectional accurate stretching device
InactiveCN110480996AAvoid the disadvantages of uneven thicknessGuaranteed stretching effectEngineering
Owner:合肥蒲亮科技有限公司
Ti-Ni based shape memory alloy vacuum electron beam connecting technology
InactiveCN103358013ASmall stretchReduced memory lossElectron beam welding apparatusHeat-affected zoneShape-memory alloy
The invention provides a Ti-Ni based shape memory alloy vacuum electron beam connecting technology. Concretely, vacuum electron beams are used for achieving connection of Ti-Ni-X alloy, wherein X can be Nb, Mo, Cu, Hf and the like. An existing connecting mode of Ti-Ni based shape memory alloy has the problems of being low in weld strength, thick and big in grain structure, prone to generating cracks and the like. The electron beams which are strong in penetrating power, high in energy transformation ratio and good in controllability are adopted as a welding hot source, therefore, time of the whole connecting process is shortened, a heat affected zone is reduced, weld defects are reduced, moreover, narrow weld seams can be obtained (the width is smaller than 1mm), mechanical performance and the memory effect of welded material are ensured to the maximum extent, after parameter optimization, the strength of a electron beam welding connector can reach over 75% that of parent material, and the memory effect can reach over 85% that of the parent material.
Owner:INST OF METAL RESEARCH - CHINESE ACAD OF SCI
High-tensile composite film and preparation method thereof
InactiveCN110641117AEasy to stretchReduce the likelihood of breakageFlexible coversWrappersPolymer scienceComposite film
The invention relates to the technical field of films, particularly to a high-tensile composite film and a preparation method thereof. The high-tensile composite film is formed by compounding seven layers of thin films and has a thickness of 15-23 microns, wherein each layer of thin film contains metallocene polypropylene and general-purpose polyethylene in a certain ratio, corresponding auxiliaries are cooperatively utilized, and thin film melting, melt pressing, casting melt curing and primary product slitting are conducted to prepare the high-tensile composite film. The tensile length of the prepared composite film can reach 5 times of the original length, so the composite film has excellent tensile strength and tensile property; and the possibility of breakage of the composite film inthe packaging process is effectively reduced.
Owner:NINGBO HONGYAN PACKING MATERIAL
Stretching time-delay test machine
InactiveCN101135618AReduce volumeReduce weightMaterial strength using tensile/compressive forcesStructural/machines measurementHydraulic cylinderLine tubing
The invention comprises a front beam assembly, a rear beam assembly, a control console and a hydraulic mechanism. The front and rear beam assemblies use single beam connection; the one end of front beam assembly is connected to the rear beam assembly in dismountable way; the other end of it is connected to the hydraulic cylinder in dismountable way; the hydraulic cylinder in the hydraulic mechanism is connected to the hydraulic fluid connection of the control console via pipeline; the tested component is mounted in the front beam assembly and rear beam assembly; the one end of the tested component connected to the front beam assembly can be stretched by hydraulic fluid cylinder. Said front beam assembly and rear beam assembly is a combined type mono-spar structure and can be dismounted according to the requirement.
Owner:刘淑娟
Method for producing easy-tear type polypropylene packaging film
ActiveCN101376270AMechanical properties unchangedPhysical properties unchangedFlat articlesReduction treatmentStretch ratio
Owner:ZHEJIANG GOLDSTONE PACKING
A kind of manufacture method of easy-tear polypropylene packaging film
ActiveCN101376270BMechanical properties unchangedPhysical properties unchangedFlat articlesReduction treatmentStretch ratio
The invention discloses a method for manufacturing an easy-to-tear type polypropylene packaging film. The method comprises the following steps: (1) taking a polypropylene thin film meeting the sanitary requirement as a raw material, stretching in a single direction, and specifically, heating the polypropylene thin film to 100DEG C to 160 DEG C, with the stretching ratio being 1.1 to 5, so as to obtain a film material after the positioning stretching; and (2) conducting the temperature reduction treatment for the film material after the positioning stretching, specifically reducing the temperature of the film material after the positioning stretching to the environmental temperature. A packaging bag manufactured through the invention has the advantages of easy tearing, and smooth tearing part, when the packaging bag is torn in the stretching direction.
Owner:ZHEJIANG GOLDSTONE PACKING
Flame retardation type filling rope
InactiveCN107134317AGuaranteed stretching effectImprove flame retardant performanceInsulated cablesCable/conductor manufactureRetardation effectPolypropylene
The invention discloses a flame-retardant filling rope, which is composed of polypropylene resin, defoaming agent, and flame-retardant masterbatch in a weight ratio of 25:1:1. Since polypropylene resin and flame retardant masterbatch are used as raw materials, on the basis of ensuring tensile properties, the elongation rate is kept greater than 10%, and the flame retardant effect is improved. The oxygen index is greater than 28, and it will not burn in case of fire. The smoke produced when burning is small.
Owner:中山市华子电缆有限公司
Stretchable display device and manufacturing method thereof
ActiveCN111462619AGuaranteed elastic modulusHigh elastic modulusIdentification meansDisplay deviceElectrical connection
The invention discloses a stretchable display device and a manufacturing method thereof. The display device comprises a substrate, a display element, a conducting wire and a first coating layer, wherein the display element and the conducting wire are arranged on the substrate, the first coating layer covers the display element and the conducting wire and has a first elastic modulus, the conductingwire is electrically connected with the display element, the first coating layer and the substrate are positioned on two opposite sides of the display element, the display device further comprises asecond coating layer, the second coating layer completely coats the first coating layer, the display element and the conducting wire, the second coating layer has a second elastic modulus lower than the first elastic modulus, and the first coating layer is close to the display element than the second coating layer. The display device provided by the invention is good in user experience and long inservice life.
Owner:KUNSHAN NEW FLAT PANEL DISPLAY TECH CENT +1
Thin packaging film with high tensile property and preparation method thereof
ActiveCN110641116AImprove bindingGuaranteed stretching effectFlexible coversWrappersLow-density polyethylenePolymer science
The invention relates to a packaging film and discloses a thin packaging film with a high tensile property and a preparation method thereof. The problem that the stretching ratio is greatly reduced after a conventional packaging film is thinned is solved in the invention. The thin packaging film is a co-extruded seven-layer composite film with a thickness of 10-12 microns; the seven-layer composite film comprises a first layer, a second layer, a third layer, a fourth layer, a fifth layer, a sixth layer and a seventh layer from one side to the other side with a cross section as a starting point; the seven film layers take metallocene linear low-density polyethylene as a matrix; maleic anhydride and tannin phenolic compounds are mixed into the second layer and the sixth layer so as to improve the binding force between the second and sixth layers and the film layers at the two corresponding sides and improve the toughness of the film layers, so change difference values of the two sides ofthe first and seventh layers located out of the second and sixth layers and the third, fourth and fifth layers located between the second and sixth layers in the stretching process are alleviated, and the layered fracture of the packaging film is delayed; and thus, the original stretching ratio and tension of the packaging film are maintained on the basis of thinning of the packaging film.
Owner:NINGBO HONGYAN PACKING MATERIAL
Low-density honeycomb plate sandwich manufacturing and stretching forming device and treatment method thereof
The invention relates to a low-density honeycomb plate sandwich manufacturing and stretching forming device and a treatment method thereof. The forming device comprises a bearing table, a stretching limiting mechanism arranged on the bearing table, a stretching driving mechanism arranged on the bearing table and a pair of stretching clamping mechanisms arranged on the stretching driving mechanism,wherein the bearing table comprises two vertical side plates and a horizontal bearing plate positioned between the two side plates; the pair of stretching clamping mechanisms are arranged in a mirrorsymmetry mode relative to the symmetrical surfaces of the two side plates; the pair of stretching clamping mechanisms are positioned above the bearing plate; the stretching driving mechanism can drive the pair of stretching clamping mechanisms to move in the opposite direction or in the opposite direction; and the stretching limiting mechanism is used for limiting the distance between the pair ofstretching clamping mechanisms moving in the opposite direction. According to the forming device, limiting stretching can be realized, the stretching effect is good, the stretching is ensured to reach a preset stretching amount, and the stretching deformation is prevented.
Owner:胡国文
Method for improving low-temperature toughness of overall section of steel plate with strength larger than or equal to 690 MPa and thickness ranging from 60 mm to 100 mm
InactiveCN112921153AFine and uniform grainFine and uniform grain sizeFurnace typesHeat treatment furnacesHull structureTempering
The invention discloses a method for improving the low-temperature toughness of the overall section of a steel plate with the strength larger than or equal to 690 MPa and the thickness ranging from 60 mm to 100 mm. Low-temperature heating and large-reduction rolling are adopted, namely, the low-temperature heating temperature of a blank is Tnr + (100-150) DEG C, the heat preservation time is [(1.0-1.5) H] min, rough rolling is conducted at the temperature of Tnr + (30-80) DEG C in a recrystallization zone, the reduction of the first three passes is larger than or equal to 30 mm, finish rolling is conducted at the temperature of Tnr (50-100) DEG C in a non-recrystallization zone, and the accumulated reduction rate of the last three passes is larger than or equal to 30%; and through quenching and tempering heat treatment in a critical zone, the quenching temperature is Ac3 + (0-30) DEG C, the heat preservation time is [1.4 h + (15-45)] min, the tempering temperature is Ac1-(80-110) DEG C, the heat preservation time is [2.0 h + (40-100)] min, and the ultrahigh-strength large-thickness steel plate with the excellent low-temperature impact toughness of the section of the steel plate is obtained. Under the condition that the tensile property of the steel plate is ensured, the low-temperature toughness of the whole section of the super-thick steel plate is remarkably improved, so that the super-thick steel plate completely meets the use performance requirements of the super-thick steel plate with the thickness of 60-100 mm, and the super-thick steel plate can be widely applied to the fields of ship structures, ocean platforms, engineering machinery and the like.
Owner:WUHAN UNIV OF SCI & TECH
Garment processing equipment
ActiveCN110946361AGuaranteed stretching effectAvoid damageClothes making applicancesStructural engineeringMechanical engineering
The invention relates to the field of garment processing, in particular to garment processing equipment. The equipment comprises a fixed base, an unfolding and folding synchronous driver, two unfolding and folding distance adjusters, a stretching adjusting seat and a stretching adjuster, the unfolding and folding synchronous driver is fixedly connected to the fixed base, the two unfolding and folding distance adjusters are fixedly connected into the fixed base, the stretching adjusting base is connected to the fixed base in a sliding mode, and the two ends of the stretching adjuster are connected to the stretching adjusting base in a sliding mode. The garment processing equipment has the beneficial effects that the distance between the two adjusting rollers can be adjusted in the discharging and collecting process, cloth is stretched accurately and slightly, the stretching effect of the cloth is ensured, and damage is avoided; meanwhile, the occupied space is small, the distance between the stretching roller and the unwinding and winding roller can be adjusted according to actual conditions, and the optimal stretching distance is selected according to different cloth materials; operation is convenient, and adjustment is accurate.
Owner:HANGZHOU NOVELTEX FASHION
leg stretcher
ActiveCN108939439BEnsure safetyGuaranteed stretching effectGymnastic exercisingBack musclesElectric machinery
The invention discloses a leg stretching device. The device comprises a bottom plate provided with a weighing scale, a stretching device body and a control terminal, wherein a supporting rod is perpendicular to the bottom plate; the stretching device body comprises a bracket and a stretching plate; a scale tray is arranged on an upper frame of the stretching plate; the stretching plate is arrangedat the pointed end of the triangular bracket through a supporting shaft frame; the control terminal comprises a database, a data collecting module, an analyzing module, an executing module and a driving motor; the data collecting module collects first weighing data and second weighing data of the weighing scale and sends the data to the analyzing module; the analyzing module analyzes the receiveddata, according to the analyzing result, scientific stretching data most matched with the analyzing result is found in the database, and the executing module controls the driving motor to drive the bracket and a supporting shaft to move according to the found scientific stretching data. According to the leg stretching device, parameters of the stretching device can be adjusted according to different body shapes of trainers, scientific front and back bending and stretching, stretching and relaxing training for the front and back muscle groups and the ligaments of shanks can be conducted, and the leg stretching device is safe, simple and effective.
Owner:HOHAI UNIV
Gearbox with automatic liquid supplementing and lubricating functions
InactiveCN114754129AAchieve normal workEasy to replace and maintainGear lubrication/coolingElectric machineryEngineering
The invention relates to the technical field of gear boxes, in particular to a gear box with an automatic liquid supplementing and lubricating function, which comprises two shells, speed change mechanisms are mounted in the two shells, liquid supplementing mechanisms are mounted in the shells, filtering mechanisms are mounted in the shells, and sealing mechanisms are mounted on the shells. A control mechanism is connected to the shell, and a protection mechanism is installed on the liquid supplementing mechanism. Through matched installation of the speed change mechanism and the shells, powerful torsion can be conveyed to an automobile through a motor, so that the automobile runs, follow-up disassembly and maintenance are facilitated, the sealing performance of the two shells is better through the sealing mechanism and the control mechanism, and through the liquid supplementing mechanism and the protection mechanism, the speed change mechanism is lubricated in real time and fully in place; and the filtering mechanism is used for filtering when the liquid supplementing mechanism works, so that impurities in the lubricating oil are effectively and repeatedly filtered, and subsequent cleaning is facilitated.
Owner:徐州垄丰智能科技有限公司
Explosion-proof stacking type AGV for explosion-proof vertical warehouse
PendingCN114314438AAvoid multiple up and down movementsAdd supportLifting devicesStorage devicesLiquid pressurePallet fork
The invention relates to the technical field of logistics storage, and discloses an anti-explosion stacking type AGV for an anti-explosion vertical warehouse, the anti-explosion stacking type AGV comprises a cargo carrying table, the lower end of the cargo carrying table is movably connected with a winding drum, and the lower end of the winding drum is movably connected with machine wheels. According to the invention, through the arrangement of the stretching fork cargo lifting mechanism, when the stacking machine takes cargoes on a goods shelf, under the action that hydraulic oil is guided into a hydraulic cavity by a liquid passing groove, a driving block moves towards the other side under the action that hydraulic pressure on one side is increased, so that a pallet fork is controlled to stretch out, and after the pallet fork completely stretches out, the driving block moves to the other side; under the action that diaphragms on the two sides of a driving block are extruded inwards, control liquid on the inner sides of the diaphragms flows into an opening and closing cavity through opening and closing holes, so that a movable block moves downwards under the action of liquid pressure, a liquid through hole communicates with a communicating groove and a liquid conveying hole, hydraulic oil in a hydraulic cavity can flow into a lifting cavity, and therefore cargoes are directly lifted; and the situation that when a traditional stacking machine lifts goods, the goods carrying table needs to move up and down multiple times is avoided.
Owner:安徽宇锋智慧物联科技有限公司
Test bed detecting reliability of stud tensioner and detection method thereof
PendingCN111823199AReduce weightEasy to disassembleMachine part testingMaterial strength using tensile/compressive forcesEngineeringStructural engineering
The invention belongs to the technical field of nuclear power plant mechanical fabrication, and particularly relates to a test bed detecting reliability of a stud tensioner and a detection method thereof. The test bed includes a plurality of loop I top cap stud assemblies, a plurality of loop II top cap stud assemblies, a bed plate, a plurality of support rods, a plurality of lifting lugs, and a plurality of roller assemblies and support foot assemblies. The support rods are fixedly connected the lower surface of the bed plate, a plurality of threaded through holes are evenly formed in the upper surface of the bed plate, each support rod is provided with a roller assembly and a support foot assembly, the roller assemblies are fixedly connected with the support foot assemblies, the loop I top cap stud assemblies and the loop II top cap stud assemblies are fixed to the bed plate in a large and small ring-shaped arrangement mode with the center of the circle of the bed plate acting as anaxis.
Owner:JIANGSU NUCLEAR POWER CORP
Sports-fitness leg pressing stretching device
The invention belongs to the technical field of sport equipment, and particularly relates to a sports-fitness leg pressing stretching device. The technical aims that the sports-fitness leg pressing stretching device is more convenient to use, capable of saving fitness space and adjustable in height are achieved. According to the technical scheme, the sports-fitness leg pressing stretching device comprises a bottom plate, a fixing frame, a straight sliding rail, a straight sliding block, a first fixing rod, an inserting rod, a lifting rod, a rotating shaft, a sliding shaft, a sliding way, an elastic plate and the like; the fixed frame is arranged on the right side of the top of the bottom plate, a cylindrical groove is formed in the top of the fixing frame, inserting holes are evenly formedin the upper portion of the left wall of the fixing frame, the cylindrical groove is communicated with the inserting holes, and the straight sliding rail is arranged at the lower portion of the leftwall of the fixing frame. According to the sports-fitness leg pressing stretching device, the effects of being more convenient to use, capable of saving fitness space and adjustable in height are achieved, a trainer can adjust the height of the rotating shaft according to the height of the trainer and the required stretching height, and the elastic plate can have the supporting assisting effect onthe leg heel.
Owner:张吓静
Who we serve
- R&D Engineer
- R&D Manager
- IP Professional
Why Patsnap Eureka
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com