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40results about How to "High folding rate" patented technology
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Foldable floor integration table and chair module
The invention discloses a foldable floor integration table and chair module. A folding device used as a table, a chair or the ground is arranged inside a box body. When the box body is not in use, a top plate of the box body is used as a floor, and when the box body is in use, the folding device is unfolded and used as the table or the chair. The folding device comprises a connecting rod type moving and supporting mechanism, a lifting mechanism, a table and chair mechanism and a folding supporting switching piece. A planar four-bar structure is formed by a small piece floor, a large piece floor, a supporting plate and a box body backside plate. When the folding device is unfolded for using, the small piece floor and the large piece floor are located on the top surface of the box body, and are used as the unfolded floor. The joint of the small piece floor and the large piece floor is supported by the folding supporting switching piece. According to the foldable floor integration table and chair module, the interconversion and modularized processing among the table, the chair and the floor is achieved, and the concave pit problem left on the ground caused by a prior similar ground lifting mechanism is solved. The foldable floor integration table and chair module is convenient to convert, the folding rate is high, changes on the layout of the tables and chairs in a classroom are achieved, the ornamental value is high, and different functions and purposes of a room are achieved through the combination and conversion of the module.
Owner:ZHEJIANG UNIV
High-storage-rate self-folding pneumatic soft body mechanical arm based on paper folding theory
PendingCN110394795AHigh folding rateSmall envelope volumeProgramme-controlled manipulatorArmsSoft bodyPotential energy
The invention discloses a high-storage-rate self-folding pneumatic soft body mechanical arm based on a paper folding theory. The pneumatic soft body mechanical arm comprises a soft body driver, upperand lower end cover plates and an inflation system, wherein the soft body driver is a cylindrical-like shell, two ends of the cylindrical-like shell are fixed to the upper and lower end cover plates in a sealed mode, and an inner cavity of the shell is inflatable. The shell is of a multi-layer structure with soft body layers laminated, and sequentially comprises an airtight layer, an elastic layer, a limiting layer and a thermal-protective layer from inside to outside. The soft body driver shell is in topology form designed on the basis of the paper folding theory, so that axial large-stroke telescopic driving can be realized, and the shell can be driven to be unfolded in a manner that the inner cavity is inflated through the inflation system; and after air of the inner cavity is discharged, the potential energy of the elastic layer is released, so that the self-folding is realized. The pneumatic soft body mechanical arm further comprises a constraint rope which can realize driving through bending. The pneumatic soft body mechanical arm has the advantages of high-speed operation capability, higher load self-weight ratio, lower power consumption, lower development cost, larger taskspace and the like, and can be widely applied to the field of space flexible adaptive capture.
Owner:ZHEJIANG UNIV
Folding box
ActiveCN105836254AImprove bending resistanceTroubleshoot extrusion damageRigid containersStructural engineeringMultiple layer
The invention discloses a folding box. The folding box comprises a base and two pairs of opposite side plates; a protecting edge is arranged at the outer periphery of the base; and the side plates are hinged to the base, and can be folded corresponding to the base. The side plates are double-glaze side plates; and cavities are formed in the lower edges of at least one pair of side plates. When the folding box is upright, the lower edges of one pair of side plates and the lower edges of the other pair of side plates are connected to form a frame; and the frame is hinged to the base through a hinge to form a reinforcing component for resisting sinking of the base and recessing of the protecting edge. The folding box can reduce the dirt residuals in repeated use to the greatest extent after cleaning, promotes the cleaning efficiency, improves sinking of the base after loading of a box body, solves the problem of collision damage between objects caused by sinking of the base due to pressing between upper and lower layers of goods when folding boxes are stacked by multiple layers, and solves the potential safety hazard of warehousing storage caused by stacking failure due to deformation of the side plates after pressing of the side plates due to stacking of multiple layers of boxes bodies when the boxes bodies are smaller in wall thickness and higher in folding rate.
Owner:SHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO LTD
Skeleton structure of telescopic wing
ActiveCN111645848ALarge rolling momentBest flying conditionWing adjustmentsStructural engineeringWingspan
The invention discloses a telescopic skeleton structure, and provides a wing scheme with foldable internal wing skeletons, continuously variable wingspans and a large wingspan change range for a variable-span aircraft. The telescopic skeleton structure is composed of a steering engine driving device, a wing rib, a sliding rail beam and motion module units. Each motion module unit comprises eight transmission connecting rods and a connecting structure hinged to the connecting rods. The wing ribs are provided with sliding guide rails and lug-shaped bosses. According to the invention, wing extension and retraction can be realized by only one drive, and the unique wing rib design and motion module unit connection mode can enable the common wing rib to translate along the wingspan direction; the parts of the motion module unit are the same in installation and motion mode and equal in motion distance, and the overall stability is guaranteed to a certain extent. The devices are arranged in the airfoil, so that the aerodynamic performance of the aircraft is not influenced in the stretching and retracting process of the airfoil. The space in the wing can be well compressed, control is simple and stable, the structure is simple, and implementation is easy.
Owner:XI AN JIAOTONG UNIV
Four-degree of freedom beetle-imitated foldable flapping-wing micro flying robot
The invention provides a four-degree of freedom beetle-imitated foldable flapping-wing micro flying robot, and solves the problem that a flapping-wing micro air vehicle in the prior art does not achieve flapping wing folding, rear wing outward expanding / adduction action and a self-locking function. The four-degree of freedom beetle-imitated foldable flapping-wing micro flying robot comprises a four-plate folded wing module, and the four-plate folded wing module is connected with a rear wing bracket module; and the rear wing bracket module, a rear wing outward expanding / adduction action driving module, a rear wing folding driving module, a pitching driving module and a wing flapping driving module are mounted on a cable-driven module mounting bracket. The four-degree of freedom beetle-imitated foldable flapping-wing micro flying robot has the advantages that motion performances of the beetle-imitated flapping-wing flying robot are improved; the technical scheme that the flexible cable drive technology and spring sheets are combined is adopted, so that the folding rate and folding reliability of folded wings are remarkably improved; the rear wing outward expanding / adduction action and the self-locking function are designed, so that the flying robot is more conveniently carried and hidden in complex environments and has wide application prospects; and besides, modular design is adopted in structure, so that the flapping-wing micro flying robot has larger expansion spaces in structure and motion functions.
Owner:ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY
Method for preparing conotoxin polypeptide Eb1.6
InactiveCN102875654AHigh folding rateRealize repeated usePeptide preparation methodsHydroxybenzotriazoleConotoxin
The invention relates to a method for preparing conotoxin polypeptide Eb1.6. The method comprises the following steps of: 1) synthesizing Eb1.6 linear peptide by using a condensing agent N,N'-diisopropylcarbodiimide / 1-hydroxybenzotriazole (DIC / HOBt); and 2) folding the linear peptide to obtain the conotoxin polypeptide Eb1.6. According to the method, the efficiency of the manual synthesis of the linear peptide is improved by using the condensing agent DIC / HOBT; an MNH4HCO3 buffer solution with the pH value of 8.0 and the concentration of 0.1 is selected as a folding buffer solution, is cheap and readily available, and is high in folding rate; a product obtained by the folding is adsorbed by using AmberliteXAD16 macroporous adsorption resin, the resin is dipped by using ethanol, a dipping solution is concentrated, and then an obtained product can be directly used for the subsequent C18 column purification; and meanwhile, the resin washed by using the ethanol is washed by using water and is regenerated, so that the recycling of the buffer system and the resin can be realized, the recovery rate is relatively high, and the cost is reduced.
Owner:INST OF BIOENG ACAD OF MILITARY MEDICAL SCI OF THE CHINESE
Micro flying robot with connecting rod type foldable flapping wings
The invention discloses a micro flying robot with connecting rod type foldable flapping wings, belonging to the technical field of design and manufacture of micro aerial vehicles. In the micro flyingrobot with the connecting rod type foldable flapping wings, a right wing and a left wing are symmetrical structures about the center line of a fuselage, and a j hole of an oscillating bar II in the right wing is movably connected with a perforated lug pair II of a right oscillating bar I in a handpiece device through a bolt; a j hole of an oscillating bar II in the left wing is movably connected with a perforated lug pair I of a left oscillating bar I in the handpiece device through a bolt; a right sliding rail in the right wing is fixedly connected with the side surface of a right steering engine in an empennage device; a left sliding rail in the left wing is fixedly connected with the side surface of a left steering engine in the empennage device; a fuselage rod in the handpiece device is fixedly connected with a p hole in the left end of a vertical tail in the empennage device; the foldable flapping wings of the micro flying robot can be tucked and folded after flying, the exposurearea of the wings can be reduced, and the transportation and storage are convenient.
Owner:JILIN UNIV
Semi-contained symmetrical folding bicycle
ActiveCN102295050AWon't get dirtyWill not cause the chain to dropFoldable cyclesAgricultural engineeringHuman motion
The invention provides a half-containing type symmetric folding bike. The symmetric folding bike comprises a front frame, a front fork, a front wheel, a rear frame, a rear fork, a rear wheel, a bike head, a saddle, pedestals, a crank and a transmission device; the front wheel is mounted on the front fork, the rear wheel is mounted on the rear fork, the bike head is mounted on the front frame, andthe saddle is mounted on the rear frame; and folding mechanisms are respectively arranged between the front frame and the rear frame, between the bike head and the front fork and between the rear frame and the rear fork, the transmission device is mounted in a front end of the rear fork, the pedestals are mounted on the crank, the crank is connected with an input end of the transmission device, the rear wheel is connected with the transmission device, and the transmission device is a reciprocating type acceleration driving mechanism. The half-containing type symmetric folding bike provided bythe invention can be folded and unfolded rapidly, is high in folding rate, convenient for use, collection and transportation, and great in bearing capability; and each component well meets the human motion engineering so that people riding the bike is natural in posture and cannot get fatigue easily.
Owner:王宏新
Foldable frame of foldable bicycle
The invention relates to a structural technology for a foldable frame of a foldable bicycle. The foldable frame mainly comprises a front tube, a cross beam, a rear beam, a vertical tube and a rear fork, wherein the front end of the front beam is fixedly connected with the front tube; the front beam, the rear beam and the rear fork are hinged in sequence; in order to overlap a front wheel and a rear wheel alternately to fold the bicycle, the front beam and the rear beam are in oblique-shaft hinge; the vertical tube is hinged on the rear beam; the vertical tube and the rear fork are linked by being engaged mutually by a gear; and an inhaul cable traction arm fixedly connected to the vertical tube drags an inhaul cable of which one end is fixed on the front beam. When the foldable frame is folded, the vertical tube rotates forwards and is overlapped with the rear beam, meanwhile, the rear fork rotates downwards from a horizontal state to a vertical state under the action of the gear, at the same time, the inhaul cable drags the front beam to rotate downwards from the horizontal state to the vertical state; action progresses of the vertical tube and the rear fork when the foldable frame is unfolded are opposite to action progresses of the vertical tube and the rear fork when the foldable frame is folded; and the unfolding of the front beam is driven by a spring when the inhaul cable is released. The foldable frame disclosed by the invention realizes the purpose of automatic folding by using the gear, the inhaul cable and the spring as conditions.
Owner:戚善鸣
PERC battery assembly with high PID resistance and preparation method thereof
PendingCN110491952AIncreasing the thicknessGood refractive indexFinal product manufacturePhotovoltaic energy generationRefractive indexEngineering
The invention discloses a PERC battery assembly with high PID resistance and a preparation method thereof, relating to the technical field of solar cells. The PERC battery assembly includes a substrate layer, a diffusion layer, a SiOx positive passivation layer and a SixNy positive antireflection passivation protective film layer are sequentially arranged on the top surface of the substrate layerfrom bottom to top; a SiOx back passivation layer, an AlOx back passivation film layer and a SixNy back antireflection passivation protection film layer are sequentially arranged on the bottom surfaceof the substrate layer from top to bottom. The PERC battery assembly is characterized in that the thickness of the SixNy positive anti-reflection passivation protective film layer is 75 to 95 nm; therefractive index of the optical glass is 2.08 to 2.13; the thickness of the SixNy back anti-reflection passivation protection film layer is 90 to 160nm; the number of the SixNy back anti-reflection passivation protective film layers is at least two. The refractive index of the layer closest to the substrate layer is greater than or equal to 2.1; wherein the thickness of the AlOx back passivationfilm layer is 2-28 nm, and the refractive index of the AlOx back passivation film layer is 1.56-1.76. According to the invention, by optimizing the arrangement of the battery assembly and the thickness and refractive index of each layer of assembly, and optimizing the preparation process, the prepared battery has high PID resistance.
Owner:TONGWEI SOLAR ENERGY MEISHAN CO LTD +1
Single-degree-of-freedom foldable sail
ActiveCN109533253AGood sailing stabilityHigh folding rateWind acting propulsive elementsPropellerSingle degree of freedom
The invention discloses a single-degree-of-freedom foldable sail. The single-degree-of-freedom foldable sail comprises a framework assembly, a flexible skin and a wire drive assembly, wherein the flexible skin is fixed onto the framework assembly, and the wire drive assembly is connected with the framework assembly; the framework assembly is composed of a driving framework, a follower framework and a fixed framework which are arranged in sequence from top to bottom; the follower framework is composed of a first aluminum alloy rod piece and a first carbon fiber rod piece; the driving frameworkcomprises a second aluminum alloy rod piece, a second carbon fiber rod piece, an expanding wire fixing shaft, a folding wire fixing shaft and a rotating disc; the fixed framework comprises a third carbon fiber rod piece, a first threaded rod, a connecting rod assembly and a second threaded rod. The single-degree-of-freedom foldable sail has the advantages that the area of the sail is changed by expanding different numbers of the frameworks to adapt to different wind speeds and wind directions on the sea surface, so that the sail has better thrust performance and a more stable sailing attitude,and all the frameworks are folded together to achieve a large folding rate so that a sailing device can be converted from a sail drive mode to a propeller propulsion mode or a dive navigation mode.
Owner:TIANJIN UNIV
Folding storage device capable of being folded and unfolded in tandem
ActiveCN109171222AImprove structural rigidityThe disassembly process is simple and convenientFolding cabinetsVariable dimension cabinetsAgricultural engineeringBackplane
The folding type storage device capable of being folded and unfolded in tandem, comprising a left side plate assembly, a cross plate assembly, a middle frame assembly, a right side plate assembly, a back plate assembly and a bolt slideway structure, wherein the left side plate assembly, the right side plate assembly and the middle frame assembly are connected with the back plate assembly through the bolt slideway structure; a left side plate assembly and a right side plate assembly are respectively arranged on two sides of the back plate assembly; the middle frame assembly is arranged betweenthe left side plate assembly and the right side plate assembly and the cross plate assembly is arranged between the left side plate assembly and the right side plate assembly; the left side plate assembly is rotatably connected with the cross plate assembly; the right plate assembly is rotatably connected with the transverse plate assembly; the backplane assembly comprises a left backplane assembly and a right backplane assembly, wherein the right backplane assembly is rotatably connected with the left backplane assembly; the left back panel assembly is pivotally connected to the left panel assembly.
Owner:YANSHAN UNIV
Method for fusion expression of antibacterial peptide by using SUMO
ActiveCN112457413AEfficient recombinant expressionHigh antibacterial activityFusion with degradation motifHybrid peptidesEscherichia coliAntibacterial activity
The invention provides a method for fusion expression of an antibacterial peptide by using SUMO. According to the method, ubiquitin-like protein modified molecules SUMO and the antibacterial peptide are prepared into a fusion protein, so that the antibacterial peptide is more effectively recombined and expressed. The amino acid sequence of the antibacterial peptide is SEQ ID NO: 1. The antibacterial peptide LLv with relatively strong antibacterial activity is expressed in escherichia coli by adopting a sumo fusion expression method. By virtue of fusion with sumo, the toxicity to host bacteriais reduced, the folding rate and the expression yield are increased, and soluble expression is successfully realized.
Owner:QINGDAO AGRI UNIV
Vertical detection device with marking function and for building construction detection
ActiveCN112033386ARealize left and right slidingSwipe left and rightPlumb lines for surveyingFixed angles setting outArchitectural engineeringMarking out
The invention discloses a vertical detection device with a marking function for building construction detection, and relates to the technical field of detection equipment. The problems that an existing vertical detection device generally needs to be fixed on a wall to detect a building in use, the detection efficiency is low due to different measurement environments each time during installation,installation and use are inconvenient, and operation is troublesome due to different shapes of installation walls and different distances between the installation walls and a measured position are solved. The device comprises a mounting plate; the left side of the mounting plate is connected with two groups of clamping blocks through two pairs of clamping connecting rods; the upper part of the mounting plate is rotationally connected with a group of clamping adjusting knobs; and the right side of a sliding seat is rotationally connected with a group of gravity detection pieces. The device canbe fixed in wall environments with different widths, is simple to use and convenient to operate, can realize horizontal swinging, up-down rotation, left-right extension and the like, can be used in different environments, and is high in adjusting capacity, high in adaptability and convenient to use.
Owner:浙江大运建设集团有限公司
Outdoor foldable dining table
InactiveCN108669807AReasonable structural designImprove structural stabilityTable equipmentsServing tablesEngineeringChassis
The invention relates to an outdoor foldable dining table. The rear side bottom of a tableware box is hinged to the rear side bottom of a storage box, one end of a buckle is hinged to a front side plate of the storage box, the other end of the buckle is clamped to a front side plate of the tableware box, a handle is hinged to the front side end of the storage box, sliding grooves are formed in thepositions, close to the tops, of two side plates of the tableware box and the storage box, two cover plates are installed in the sliding grooves of the tableware box and the storage box respectivelyand can slide left and right along the sliding grooves, a plurality of parallel partition plates are arranged in the tableware box and the storage box, bottom frame storage grooves are formed in the bottoms of the tableware box and the storage box, and bottom frames are arranged in the bottom frame storage grooves and hinged to the tableware box and the storage box through rotary supports respectively. The outdoor foldable dining table is reasonable in structural design and convenient to carry due to the foldable design; besides, by arranging the tableware box and the storage box, tableware can be conveniently stored, and the use effect is good.
Owner:靳祎勃
Lifting and pressing type megaphone used in imaging department
InactiveCN110505560AChange the placement angleReduce occupancyPublic address systemsEngineeringFoot operations
Owner:胡丹萍
Horizontal opening and closing roof structure
ActiveCN108797878AReduced degrees of freedom to foldHas a single degree of freedom of motionBuilding roofsSpandrelFlexible cable
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY +1
Method for preparing conotoxin polypeptide Eb1.6
InactiveCN102875654BHigh analgesic activityRealize repeated usePeptide preparation methodsConotoxinHydroxybenzotriazole
The invention relates to a method for preparing conotoxin polypeptide Eb1.6. The method comprises the following steps of: 1) synthesizing Eb1.6 linear peptide by using a condensing agent N,N'-diisopropylcarbodiimide / 1-hydroxybenzotriazole (DIC / HOBt); and 2) folding the linear peptide to obtain the conotoxin polypeptide Eb1.6. According to the method, the efficiency of the manual synthesis of the linear peptide is improved by using the condensing agent DIC / HOBT; an MNH4HCO3 buffer solution with the pH value of 8.0 and the concentration of 0.1 is selected as a folding buffer solution, is cheap and readily available, and is high in folding rate; a product obtained by the folding is adsorbed by using AmberliteXAD16 macroporous adsorption resin, the resin is dipped by using ethanol, a dipping solution is concentrated, and then an obtained product can be directly used for the subsequent C18 column purification; and meanwhile, the resin washed by using the ethanol is washed by using water and is regenerated, so that the recycling of the buffer system and the resin can be realized, the recovery rate is relatively high, and the cost is reduced.
Owner:INST OF BIOENG ACAD OF MILITARY MEDICAL SCI OF THE CHINESE
Building platform capable of adjusting indoor decoration building
ActiveCN112982932AAchieve foldingAchieve fixationScaffold connectionsScaffold accessoriesConstruction engineeringBoard structure
The invention discloses a building platform capable of adjusting an indoor decoration building, and relates to the technical field of building construction. The problems that an existing building platform is generally of a flat plate structure, needs to go up and down the building platform frequently in use, is inconvenient to go up and down, is limited in folding capacity, cannot be folded well, and is inconvenient to carry and store are solved. The building platform capable of adjusting the indoor decoration building comprises platform top plates, wherein the outer sides of the two sets of platform top plates on the left side and the right side are each connected with a set of supporting legs through hinges, the bottom of each platform top plate is connected with four pedal connecting rods in a hinged mode, the bottoms of the four sets of pedal connecting rods are jointly connected with a set of pedal mounting bases in a hinged mode. According to the building platform capable of adjusting the indoor decoration building, step pedals are additionally arranged, so that workers can get on and off the platform conveniently, use is more convenient, convenience is improved, meanwhile, pedal supporting legs are additionally arranged, the supporting capacity is improved, the stability of the platform is improved, and meanwhile the platform has the good folding capacity, is high in folding rate and is convenient to carry and store after being folded.
Owner:WUXI INST OF COMMERCE
Fabricated power box foundation machining mold and manufacturing method
ActiveCN114102849AAvoid tipping damageAuto unlockCeramic shaping apparatusFoundation engineeringEngineeringStructural engineering
The invention discloses an assembly type power box foundation processing mold in the technical field of assembly type power boxes, which comprises four hydraulic rods divided into two groups and a stand column, a fixing hole for fixing is formed in the lower end of the stand column, a screw rod is arranged in the fixing hole, and the lower end of the screw rod is fixedly arranged on a mold central bottom plate. The outer side of the locking bolt is in contact connection with a one-way wheel, the one-way wheel is rotationally arranged on the stand column, and centering devices are arranged on the periphery of the side wall of the upper end of the stand column; the problems that during production of an assembly type power box foundation machining mold, bottom production is generally needed firstly, then upper production is needed, an upper mold is not prone to being centered due to the fact that the upper half portion is in a semi-closed state, a product which is subjected to pouring bleeding may deviate, and the production efficiency is high are solved. And therefore, the product quality is poor due to different wall thicknesses of products.
Owner:江西泽皓电气科技有限公司 +1
A vertical inspection device for building construction inspection with marking function
ActiveCN112033386BRealize left and right slidingSwipe left and rightPlumb lines for surveyingFixed angles setting outArchitectural engineeringMarking out
The invention discloses a vertical detection device for building construction detection with a marking function, relates to the technical field of detection equipment, and solves the problem that the existing vertical detection device generally needs to be fixed on the wall to detect buildings during use. , because the environment of each measurement is different, because the shape of the installation wall is different, and the distance between the installation wall and the measured position is different, it is very inconvenient to install and use, and the problem of troublesome operation includes the installation board; the installation board Two sets of clamping blocks are respectively connected to the left side through two pairs of clamping links; a set of clamping adjustment knobs is rotatably connected to the upper part of the mounting plate; a set of gravity detection parts is rotatably connected to the right side of the sliding seat. The present invention can be fixed in wall environments with different widths, and is easy to use and convenient to operate. At the same time, the present invention can realize horizontal swing, up and down rotation, left and right stretching, etc., and can be used in different environments, with strong adjustment ability, strong adaptability, and convenient use .
Owner:浙江大运建设集团有限公司
A method for expressing antibacterial peptides by using sumo fusion
ActiveCN112457413BHigh antibacterial activityLow toxicityFusion with degradation motifHybrid peptidesEscherichia coliAntimicrobial peptides
The present invention provides a method for expressing antimicrobial peptides through fusion of SUMO, that is, the ubiquitin-like protein modification molecule SUMO and antimicrobial peptides are made into a fusion protein, so that the antimicrobial peptides can be recombined and expressed more effectively. The amino acid sequence of the antimicrobial peptide is SEQ ID NO:1. The invention adopts the sumo fusion expression method to express the antibacterial peptide LLv with strong antibacterial activity in Escherichia coli. By fusing with sumo, the toxicity to the host bacteria is reduced, the folding rate and expression yield are improved, and soluble expression is successfully achieved.
Owner:QINGDAO AGRI UNIV
An adjustable building platform for interior decoration buildings
ActiveCN112982932BAchieve foldingAchieve fixationScaffold connectionsScaffold accessoriesArchitectural engineeringBoard structure
The invention discloses an adjustable building platform for interior decoration buildings, relates to the technical field of building construction, and solves the problem that the existing building platform is generally a flat plate structure, and the building platform needs to be up and down frequently during use. The existing construction platform has limited folding capacity, cannot be folded well, and is inconvenient for handling and storage, including the platform top plate; the outer sides of the two sets of the platform top plates on the left and right sides are hingedly connected with a set of supporting legs; Four groups of pedal connecting rods are hingedly connected to the bottom of the platform top plate; The invention adds a step pedal, which is convenient for workers to get on and off the platform, which is more convenient to use and improves the convenience. At the same time, by adding the pedal legs, the supporting capacity and the stability of the platform are improved. At the same time, the invention has good folding ability and folding rate Tall, folded for easy handling and storage.
Owner:SHENZHEN LOTUT INNOVATION DESIGN CO LTD
Automatic cleaning device for blow molding mold for plastic product processing
The invention discloses an automatic cleaning device for a blow molding mold for plastic product processing, and relates to the technical field of blow molding machines. The problems that in use of anexisting blow molding device, certain residues are left on a mold parting surface after blow molding is completed, and the residues may enter a plastic product in next use, so that the quality problem is caused, and then economic losses are caused are solved. The automatic cleaning device comprises a blow molding machine main body; the top of the blow molding machine main body is slidably connected with a front-back sliding seat; the left side and the right side of the front-back sliding seat are each fixedly connected with a mold closing driving member; cleaning connecting rods are connectedto the left side and the right side of the middle of the blow molding machine main body; and cleaning plates are mounted on the side surfaces of the cleaning connecting rods. According to the automatic cleaning device, unfolding of the cleaning plates is achieved through a mold opening action, good cleaning on a mold is achieved, residues are prevented from influencing next machining, the machining precision is improved, meanwhile, the cleaning plates are high in folding rate and small in occupied space after being folded, production cannot be influenced, and good practicability and economiceffects are achieved.
Owner:日照市睿尔泽新材料科技有限公司
A four-degree-of-freedom beetle-like micro-flying robot with foldable flapping wings
ActiveCN106585980BImprove athletic abilityHigh folding rateOrnithoptersFlapping wingMicro air vehicle
The invention provides a four-degree of freedom beetle-imitated foldable flapping-wing micro flying robot, and solves the problem that a flapping-wing micro air vehicle in the prior art does not achieve flapping wing folding, rear wing outward expanding / adduction action and a self-locking function. The four-degree of freedom beetle-imitated foldable flapping-wing micro flying robot comprises a four-plate folded wing module, and the four-plate folded wing module is connected with a rear wing bracket module; and the rear wing bracket module, a rear wing outward expanding / adduction action driving module, a rear wing folding driving module, a pitching driving module and a wing flapping driving module are mounted on a cable-driven module mounting bracket. The four-degree of freedom beetle-imitated foldable flapping-wing micro flying robot has the advantages that motion performances of the beetle-imitated flapping-wing flying robot are improved; the technical scheme that the flexible cable drive technology and spring sheets are combined is adopted, so that the folding rate and folding reliability of folded wings are remarkably improved; the rear wing outward expanding / adduction action and the self-locking function are designed, so that the flying robot is more conveniently carried and hidden in complex environments and has wide application prospects; and besides, modular design is adopted in structure, so that the flapping-wing micro flying robot has larger expansion spaces in structure and motion functions.
Owner:ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY
Hydraulic device for engineering vehicle based on control
ActiveCN111559354BHigh folding rateExtended armsVehicle fittings for liftingHydraulic cylinderDrive shaft
The invention discloses a hydraulic device based on controlling engineering vehicles, relates to the technical field of engineering vehicles, and solves the problem that the telescopic distance of the legs of the hydraulic support device of the existing engineering vehicles is short, the supporting capacity is poor, and at the same time, each hydraulic support device needs to be adjusted in sequence during use. Adjusting the outriggers and the troublesome operation include the main body of the construction vehicle; a set of drive motors is fixedly connected to the inside of the rear of the main body of the construction vehicle; a set of intermediate transmission shafts are rotatably connected to the rear of the main body of the construction vehicle; the construction vehicle The left and right sides of the main body are rotatably connected with a group of driving screws; the outer side of the secondary swing rod is fixedly connected with a group of supporting hydraulic cylinders. The device has a high folding rate, a relatively large unfolding arm span, and has better support capacity. At the same time, the support points are symmetrically distributed after unfolding, which improves the stability of the support. It is easy to use and can realize rapid unfolding and shrinking. The rod expands to increase the contact area and improve the support capacity.
Owner:北京勇搏科技有限公司
A foldable floor integrated table and chair module
InactiveCN104586062BHigh shrinkage ratioChange layoutFoldable tablesStowable tablesEngineeringGround level
The invention discloses a foldable floor integration table and chair module. A folding device used as a table, a chair or the ground is arranged inside a box body. When the box body is not in use, a top plate of the box body is used as a floor, and when the box body is in use, the folding device is unfolded and used as the table or the chair. The folding device comprises a connecting rod type moving and supporting mechanism, a lifting mechanism, a table and chair mechanism and a folding supporting switching piece. A planar four-bar structure is formed by a small piece floor, a large piece floor, a supporting plate and a box body backside plate. When the folding device is unfolded for using, the small piece floor and the large piece floor are located on the top surface of the box body, and are used as the unfolded floor. The joint of the small piece floor and the large piece floor is supported by the folding supporting switching piece. According to the foldable floor integration table and chair module, the interconversion and modularized processing among the table, the chair and the floor is achieved, and the concave pit problem left on the ground caused by a prior similar ground lifting mechanism is solved. The foldable floor integration table and chair module is convenient to convert, the folding rate is high, changes on the layout of the tables and chairs in a classroom are achieved, the ornamental value is high, and different functions and purposes of a room are achieved through the combination and conversion of the module.
Owner:ZHEJIANG UNIV
A miniature flapping-wing aircraft with single-degree-of-freedom foldable wings
ActiveCN109533323BHigh folding rateAchieve lockingWing adjustmentsOrnithoptersDrive shaftFlight vehicle
The invention discloses a miniature flapping-wing aircraft with a single-degree-of-freedom foldable wing, comprising a single-degree-of-freedom foldable wing, a gear transmission system and a motor drive module; the motor drive module and the gear transmission system are installed on the frame of the aircraft, The shaft is connected; the foldable wing and the gear transmission system are connected by a crank rocker mechanism to realize the synchronous flapping movement of the two foldable wings. The folding wing designed based on the origami theory of the present invention makes the folding wing have a greater folding rate, and the folding wing can be folded to reduce the storage space when not working, and the folding wing only has a single degree of freedom, which can be achieved by a tape measure spring The automatic unfolding and locking of the folding wings is realized, so that the folding reliability is significantly improved.
Owner:TIANJIN UNIV
A bionic folding wing based on 4D printing and its preparation method and application
ActiveCN110304246BHigh folding rateAchieve foldingAdditive manufacturing apparatusOrnithoptersFlapping wingFlight vehicle
The invention belongs to the field of aircraft, and specifically discloses a bionic folding wing based on 4D printing and its preparation method and application. The folding wing sheath of the bionic folding wing is connected with the bionic flapping wing skeleton, which is used to protect and store the bionic folding wing in a folded state. The flapping wing skeleton can be stretched and folded according to the temperature of the water in the water circulation flow channel. The water circulation control system is connected with the water circulation flow channel to control the temperature of the water in the water circulation flow channel. The flapping wing film covers the surface of the bionic flapping wing skeleton. The bionic folding wing based on 4D printing provided by the present invention can ensure that the bionic folding wing has a great folding rate, and at the same time only need the water circulation control system to adjust the temperature of the water in the water circulation channel to realize the unfolding and folding of the bionic folding wing, which can avoid Using a cumbersome mechanical structure, it has the advantages of simplicity, high efficiency, high mobility, and intelligence.
Owner:HUAZHONG UNIV OF SCI & TECH
Folding storage device capable of linkage retraction
ActiveCN109171222BImprove structural rigidityThe disassembly process is simple and convenientFolding cabinetsVariable dimension cabinetsEngineeringStructural engineering
The invention provides a folding storage device capable of being folded and unfolded in a linkage mode. The folding storage device comprises a middle telescopic unit, a top folding unit, a first sidetelescopic unit, a back folding unit, a second side telescopic unit and a bottom folding unit. The middle telescopic unit comprises a middle telescopic frame, a transverse supporting plate, a middle supporting column, a handle, a telescopic rack, a driving gear, a connecting rod and a third sliding block; and the top folding unit and the bottom folding unit are limited through a limiting structureon the middle telescopic frame. The first side telescopic unit comprises a first side extension frame, a first side supporting column and a ninth connecting rotating shaft. The second side telescopicunit and the first side telescopic unit are symmetrically arranged, the second side telescopic unit comprises a second side extension frame and a second side supporting column, and the back folding unit is rotationally connected with the first side supporting column through a ninth connecting rotating shaft and a connecting base corresponding to the ninth connecting rotating shaft. According to the device, the folding rate can be increased to reduce the occupied space, folding and unfolding can be conducted easily and rapidly, and rigidity is guaranteed.
Owner:YANSHAN UNIV
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