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47results about How to "High structural utilization" patented technology
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Pier collision preventing and energy dissipation device capable of ascending and descending automatically
ActiveCN104234008AHigh structural utilizationLow implementation costClimate change adaptationBridge structural detailsWater levelMechanical engineering
A pier collision preventing and energy dissipation device capable of ascending and descending automatically comprises a pier and is characterized by being composed of an annular protection sleeve, connecting springs, sliding blocks and guide rails. The guide rails are arranged on the outer wall of the pier, the axial direction of the guide rails is parallel to the axial direction of the pier, and the guide rails are distributed in the circumferential direction of the pier. The sliding blocks and the guide rails are in sliding connection, and the sliding blocks correspond to the guide rails one to one. The annular protection sleeve is connected outside the pier in a sleeved mode, and a clearance is reserved between the annular protection sleeve and the pier. One end of each connecting spring is connected with the inner circumferential face of the annular protection sleeve, the other ends of the connecting springs are connected with the sliding blocks, the connecting springs correspond to the sliding blocks one to one, and the connecting springs are distributed in the circumferential direction of the annular protection sleeve. The pier collision preventing and energy dissipation device has the advantages that the protection device can move along with the variation of the water level, the structural utilization rate of the protection device is greatly improved, the protection device is prevented from being arranged on the whole pier in the length direction, construction cost is low, and the protection effect is good.
Owner:CHONGQING JIAOTONG UNIVERSITY
Double-layer dielectric metasurface-based optical zooming system
ActiveCN110161676AAchieve the purpose of zoomingAvoid the need for additional workspaceOptical elementsDielectricComputational physics
The invention discloses a double-layer dielectric metasurface-based optical zooming system. The system comprises a first layer of dielectric metasurface and a second layer of dielectric metasurface, wherein both the two layers of dielectric metasurface are formed by a plurality of basic units through splicing; each basic unit comprises a base plate and a cylindrical dielectric column arranged on the base plate; a mapping relationship exists among the diameters of the cylindrical dielectric columns of each layer of dielectric metasurface, the distances from the cylindrical dielectric columns tothe centers of the dielectric metasurface and the angles between the cylindrical dielectric columns and the dielectric metasurface; incident light is incident to pass through the two layers of dielectric metasurface in sequence; the two layers of dielectric metasurface carry out phase modulation on the incident light in sequence for two times, so as to realize a focusing effect for the incident light; and when the relative rotation angles of the first layer of dielectric metasurface and the second layer of dielectric metasurface change relative to an initial state, focusing focal lengths corresponding to the two layers of dielectric metasurface are changed, and the focusing effect of the two layers of dielectric metasurface for the incident light is changed. The zooming system provided bythe invention is capable of realizing zooming according to the sizes of the rotation angles and realizing large-scale zooming.
Owner:HUAZHONG UNIV OF SCI & TECH
Double-freedom degree rotation device driven by ultrasonic motor
InactiveCN105099067AReduce volumeReduce weightPiezoelectric/electrostriction/magnetostriction machinesMechanical energy handlingEngineeringDegrees of freedom
The invention discloses a double-freedom degree rotation device driven by an ultrasonic motor, relating to a device capable of achieving double freedom degrees and aiming to solve the problems of complicated structure, large volume, heavy weight and low driving accuracy of the double-freedom degree rotation device. The double-freedom degree rotation device comprises a supine movement mechanism and a direction movement mechanism, wherein the direction movement mechanism comprises a direction ultrasonic motor, a direction ultrasonic motor seat and a direction encoder; the supine movement mechanism comprises a pitching ultrasonic motor, a pitching ultrasonic motor seat and a pitching encoder; the direction ultrasonic motor is arranged on the direction ultrasonic motor seat; a shaft of a direction encoder and a motor shaft of the direction ultrasonic motor are coaxially arranged and connected; an output shaft of the direction ultrasonic motor is connected with the pitching ultrasonic motor seat; the pitching ultrasonic motor is arranged on the pitching ultrasonic motor seat; a shaft of the pitching encoder and a motor shaft of the pitching ultrasonic motor are coaxially arranged and connected; and an output shaft of the pitching ultrasonic motor is connected with a load. The double-freedom degree rotation device is used for driving the load.
Owner:HARBIN INST OF TECH
Auxiliary arm system and crawler crane
The invention relates to an auxiliary arm system and a crawler crane. The auxiliary arm system comprises an auxiliary arm rear pull plate, an auxiliary arm support, an auxiliary arm, an auxiliary arm front pull plate and a main cargo boom. The auxiliary arm support is composed of a top section arm and a bottom section arm. The bottom end of the auxiliary arm, the bottom section arm of the auxiliary arm support and the top end of the main cargo boom are connected together. The two ends of the auxiliary arm rear pull plate are respectively connected to the bottom end of the main cargo boom and the top section arm of the auxiliary arm support. The two ends of the auxiliary arm front pull plate are respectively connected to the top section arm of the auxiliary arm support and the top end of the auxiliary arm. According to the auxiliary arm system, as torque on a hinge point of the auxiliary arm support from the auxiliary arm rear pull plate is small, the backward overturning torque of a boom system is reduced, the backward overturning possibility of the boom system is reduced, and the whole crane can be stable. Components of the auxiliary arm system are some components of a tower-type auxiliary arm system, and therefore the cost does not need to be increased, and the utilization rate of the crane structure is increased.
Owner:XCMG CONSTR MACHINERY
Single rod type main bearing structure applicable to micro-nano remote sensing camera
The invention discloses a single rod type main bearing structure applicable to a micro-nano remote sensing camera, relates to the technical field of space optical remote sensing, and solves the problems that the existing coaxial space camera main support structure is high in weight and large in shading ratio and process difficulty, an integrated formation structure is too high in production cost and long in processing period and the like. According to the single rod type main bearing structure applicable to the micro-nano remote sensing camera disclosed by the invention, a secondary mirror bracket and a support rod are in flanged connection; the support rod and a main backplate are in flanged connection; due to adoption of a split type structure, instead of an integrated structure, the processing difficulty of silicon carbide can be greatly reduced; the production period and the manufacturing cost are greatly reduced; the low-cost and short-period requirements of micro-nano load are satisfied; a countersunk bottom hole and an embedded part are pre-punched on a silicon carbide material; an epoxy resin adhering manner is adopted; and the problems that the process of directly processing a threaded hole in the silicon carbide material is high and damage is easily caused can be avoided. By means of the single rod type main bearing structure applicable to the micro-nano remote sensing camera disclosed by the invention, the structural precision and the stability are improved; the structural part number and the manufacturing process are simplified; and the processing period and theprocessing cost are shortened.
Owner:CHANGGUANG SATELLITE TECH CO LTD
Return type freight aircraft
ActiveCN112046791AEnough layout spaceMaximize cargo space utilizationCosmonautic vehiclesCosmonautic safety/emergency devicesFlight vehicleElectric control
The invention discloses a return type freight aircraft. The return type freight aircraft comprises an engine compartment, an airbag compartment, an equipment compartment and a cargo compartment, wherein the engine compartment is located at the bottom; a thruster which is used for providing power required by on-orbit flight for the aircraft is arranged in the engine compartment; the airbag compartment is located above the engine compartment and is fixedly combined with the engine compartment; an airbag and a buffer assembly are arranged in the airbag compartment; the equipment compartment is located above the airbag compartment and is fixedly combined with the airbag compartment; the cargo compartment is located above the equipment compartment and is fixedly combined with the equipment compartment; the engine compartment is configured to bear the thruster so as to provide on-orbit power for the aircraft; the airbag compartment is configured to bear and store the airbag and the buffer assembly as well as a main force bearing structure as an aircraft ascending section; the equipment compartment is configured to bear and fix electric control equipment of the aircraft; and the cargo compartment is configured to carry cargoes to be carried by the aircraft. According to the return type freight aircraft, a force bearing system is formed by connecting compartment sections in series, enough layout space can be provided in the force bearing system, and the utilization rate of the cargo carrying space is maximized.
Owner:航天科工空间工程发展有限公司
Bridge pier outer pier anticollision device
PendingCN109680602AReduce damageReduce failure rateClimate change adaptationBridge structural detailsMeasurement deviceMonitoring system
The invention provides a bridge pier outer pier anticollision device, mainly comprising an underwater measurement device, an ultrasonic transmitting receiver, a control processing system, a positioning transmission system and a power supply system, wherein the underwater measurement device is fixed on an underwater pier, the ultrasonic transmitting receiver is fixed on the underwater measurement device, the control processing system controls the ultrasonic transmitting receiver, and measures distance between the transmitting terminal of the ultrasonic transmitting receiver and the surface of ameasured riverbed. Measured data are summarized and transmitted to a bridge monitoring system of a bridge monitoring department by the positioning transmission system. The anticollision device can completely replace existing manual ship measurement, realizes autonomous power supply by utilizing solar energy, can measure the transmission data in real time, and can perform digital simulation on thedepth and distribution range of scour pits, so as to achieve the aim of intermittently monitoring the depth of the pier scour pits and the distribution condition of the scour pits, help the bridge monitoring department to send out alarm in time in the flood season, and avoid unnecessary life and property loss.
Owner:YANGZHOU UNIV
Stock yard
The invention discloses a stock yard. The stock yard comprises a closed storage shed, an inputting and stacking system, storage cells, a storage bin, a fetching and outputting system and transverse retaining walls. The bin walls of the storage bin are designed into inclined segments and supported on the transverse retaining walls under the supporting effect of the structures of the transverse retaining walls. The transverse retaining walls bear vertical loads of the bin walls and materials in the bin, and the stress reasonability of the transverse retaining walls is improved. The bin walls are designed in an inclined manner, the bin capacity losses caused by the conical segment of the bottom of a rectangular bin are reduced, the space utilization rate of the bin is increased, and the material reserve volume of the single bin is increased under the condition of the fixed length of the bin; and the stock yard is particularly suitable for storing materials with distribution requirements, and has high engineering application value.
Owner:CISDI ENG CO LTD +1
3D multi-component composite auxetic metamaterial based on additive manufacturing
PendingCN114474785AHigh structural utilizationImprove mechanical properties3D object support structuresEpoxyInvestment casting
The invention discloses a 3D multi-component composite auxetic metamaterial based on additive manufacturing. The composite material comprises a 3D auxetic metamaterial, a polymer filling material and a square tube. A base material of the 3D auxetic metamaterial is industrial pure aluminum, a unit cell structure is in a concave honeycomb type, and the 3D auxetic metamaterial is obtained through an additive manufacturing and investment casting combined method. The polymer filling materials are epoxy resin and epoxy resin montmorillonite filling materials, and the square tube is a stainless steel square tube. According to the structural characteristics and the negative Poisson's ratio effect of the 3D auxetic metamaterial, the 3D multi-component composite auxetic metamaterial is obtained by filling two polymers inside and adding the stainless steel pipe outside to form internal and external constraint, and the structural utilization rate of the auxetic metamaterial is effectively increased. The 3D multi-component composite auxetic metamaterial obtained by the method and the process has excellent mechanical properties and energy absorption characteristics, effectively overcomes performance insufficiency caused by high porosity and bending deformation characteristics of the auxetic metamaterial, and provides a theoretical basis for performance optimization of the auxetic metamaterial.
Owner:YANTAI UNIV
Novel three-dimensional negative Poisson's ratio honeycomb structure
ActiveCN111063403AImprove energy absorptionHigh structural utilizationMolecular designChemical data visualisationPhysicsHoneycomb structure
The invention relates to a novel three-dimensional negative Poisson's ratio honeycomb structure, which comprises combined bodies and connecting bodies, wherein the combined body comprises a single body and side connecting bodies, the single body is in the shape of a concave hexagon, the side connecting body is a single body provided with a through groove, the width of the through groove is the same as that of the single body, the side connecting bodies are fixedly connected to the middle parts of the planes on the two sides of the single body, the connecting bodies are fixedly connected to thesingle bodies and the side connecting bodies respectively, and the multiple sets of combined bodies are arrayed into a honeycomb shape through the connecting bodies. The honeycomb structure has the advantages of light weight, high specific strength and specific rigidity as well as excellent energy absorption characteristic.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
Design method and device for constructing negative Poisson's ratio of curved surface based on approximation function
PendingCN114417726AHigh structural utilizationIncrease profitDesign optimisation/simulationApproximation functionAlgorithm
The embodiment of the invention provides a curved surface negative Poisson's ratio construction design method and device based on an approximation function, and the method comprises the steps: obtaining a function curve structure of the approximation function, constructing a negative Poisson's ratio structure based on the function curve structure, constructing an optimization target and a design variable based on the approximation function, constructing an optimization function based on the optimization target and the design variable; and calculating the optimization function through a genetic algorithm to obtain an optimal optimization target and an optimal input variable, and optimizing the negative Poisson's ratio structure based on the optimal optimization target and the optimal input variable. According to the method, the curved surface which is smoother than the traditional negative Poisson's ratio is constructed through the approximate function curved surface, and the optimal structure required by the negative Poisson's ratio approximate function curved surface in different occasions is designed through intelligent optimization of the genetic algorithm.
Owner:GUANGZHOU UNIVERSITY
Kitchen waste automatic residue discharging and oil separating equipment
The invention discloses kitchen waste automatic residue discharging and oil separating equipment which comprises a pushing device, a separating device, an oil scraping device and an oil collecting device. Kitchen waste is poured into the kitchen waste automatic residue discharging and oil separating equipment, wherein the separating device serves as a main bearing structure, and the pushing device, the oil scraping device and the oil collecting device are fixedly installed on the separating device. A material shoveling plate is driven by a pushing air cylinder on the pushing device to feed in and take back the waste, and a pushing mechanism is driven by a lifting cylinder to ascend and descend. A pressing block is pushed to move through a pressing air cylinder on the separating device, the pressing block can press the kitchen waste to squeeze out oil in the waste, and the oil flows into oil outlet grooves, wherein a position changing air cylinder can drive two oil outlet grooves to change the positions. A piston of an oil scraping air cylinder of the oil scraping device linearly moves in an oil scraping groove along a guide cylinder so as to push the oil into the oil collecting device. The waste oil is collected through an oil barrel of the oil collecting device, and condensed oil blocks in an oil outlet three-way pipe can be cleaned in time through stretching and retracting of a cleaning air cylinder.
Owner:张震
Electronic equipment and control method and device of electronic equipment
ActiveCN113422848ATake advantage of the windable featureHigh structural utilizationDigital data processing detailsTelephone set constructionsEngineeringSound production
The invention discloses electronic equipment, a control method and device thereof and a readable storage medium. The electronic equipment comprises a first shell, a second shell, a flexible display screen, a sound production device, a first sound receiving device, a second sound receiving device and a third sound receiving device. The second shell can move relative to the first shell, so that the flexible display screen is switched between a folded state and an unfolded state; the sound production device is arranged in the first shell and communicates with the outside through a first sound outlet hole; the first sound receiving device is arranged in the second shell, and the first sound receiving device communicates with a first sound receiving hole; the second sound receiving device and the third sound receiving device are both arranged in the first shell; the second sound receiving device communicates with the outside through a second sound receiving hole; the third sound receiving device communicates with the outside through a third sound receiving hole; in the folded state, the first shell covers the first sound receiving hole; and in the unfolded state, the first sound receiving hole is exposed, and the first sound receiving device communicates with the outside. The scheme can improve the structure utilization rate of the electronic equipment.
Owner:VIVO MOBILE COMM CO LTD
Suspension device with members on side surfaces
InactiveCN103009984AImprove vibration isolation performanceWork lessJet propulsion mountingInternal combustion mountingVehicle frameWork performance
The invention provides a suspension device with members on side surfaces. The suspension device comprises a main member, wherein the main member comprises a first surface and a second surface that is opposite to the first surface; a first through hole is formed in the center of the main member; and the first through hole penetrates through the main member in the direction perpendicular to the first surface and the second surface. The suspension device is characterized in that the members which are used for changing the side surface state of the main member are arranged on the side surfaces of the main member. The suspension device with the members on the side surfaces has the positive effects that due to the members designed on the side surfaces of the main member, the high-frequency vibration of the automobile engine and the low-frequency vibration of the automobile frame are effectively reduced, the vibration isolation and reduction effect and the working performance of the suspension device within the whole frequency working range are enhanced, the space structure of deformation due to compression and vibration is improved, the outer surface area of the suspension device is enlarged, the heat dissipation is facilitated, the structure utilization ratio is improved, and the production and the assembly are convenient.
Owner:SHANGHAI DIANJI UNIV
Double-layer composite type aeration machine
PendingCN106745865AIncreased chance of oxygenated aerationUniform circulating flowWater aerationSustainable biological treatmentImpellerCoupling
The invention discloses a double-layer composite type aeration machine. The double-layer composite type aeration machine comprises a base, wherein a hydraulic propulsion device is arranged on the base and consists of a motor and a speed reduction mechanism; an output shaft of a speed reducer is arranged in the speed reducer; the output shaft of the speed reducer is connected with a main shaft through a coupling; an air guide cavity is arranged in the main shaft; a spiral flow pushing sheet and an air hole are arranged at the lower part of the main shaft; an inverted umbrella-shaped wheel is arranged at the upper part of the main shaft; a compressed air pump is arranged on the base and is connected with an air guide pipe; the air guide pipe is inserted into the air guide cavity of the main shaft. The double-layer composite type aeration machine has the advantages that the structure is simple, and the installation is convenient; by using the spiral flow pushing sheet as the main propulsion source, the aeration propulsion efficiency is greatly improved; by arranging the spiral flow pushing sheet, the water body is pushed by the spiral flow pushing sheet to flow up at high speed, and by matching with the inverted umbrella-shaped impeller at the water surface, the water body is pushed outwards and rotationally by the inverted umbrella-shaped impeller, so as to greatly improve the aeration efficiency.
Owner:CHONGQING VOLIK ENVIRONMENTAL PROTECTION EQUIP CO LTD
Automatic vending machine
PendingCN110232777AHigh structural utilizationEasy to useCoin-freed apparatus detailsApparatus for dispensing discrete articlesThick plateEngineering
The invention discloses an automatic vending machine. According to the key points of the technical scheme, the automatic vending machine comprises at least one or more single-column vending shelves which are sequentially arranged, each single-column vending shelf is provided with two side plates located at the front side and the rear side respectively and two thick plates located at the left sideand the right side respectively, the lower end of each side plate located at the front side is provided with a discharge port used for discharge, and the bottom of each single-column vending shelf isprovided with multiple discharge windmill plates, which are arranged in equal radian, a driving piece, which drives the discharge windmill plates to rotate and perform discharge through the dischargeport, and a feeding mechanism which conveys products into the space between every two adjacent discharge windmill plates. According to the automatic vending machine, each single-column vending shelf pushes the products into the space between the two corresponding discharge windmill plates through the corresponding feeding mechanism, after each driving piece drives the multiple corresponding discharge windmill plates, which are arranged in equal radian, to rotate, the products between the two corresponding discharge windmill plates are conveyed to the corresponding discharge port to be discharged, and therefore the products are stably moved and discharged in the single-column vending shelves; and the automatic vending machine is simple in structure, low in manufacturing cost and high in practicability.
Owner:湖南万货行商贸有限公司
Energy storage module and energy storage system
PendingCN113745727AImprove group efficiencyReduce in quantityCell component detailsEngineeringMechanical engineering
The invention discloses an energy storage module and an energy storage system. The energy storage module comprises end plates, insulating plates and a battery cell set, the end plates are arranged at the two ends of the energy storage module, the insulating plates are further arranged on the inner sides of the end plates, and at least one battery cell set arranged in series and in parallel is further arranged between the insulating plates; the insulating plates can also be replaced by insulating coating layers which are coated or injection-molded on the inner sides of the end plates; the battery cell set comprises battery cells, buffer layers, battery cells and flame-retardant layers, the buffer layers are arranged between the adjacent battery cells, and the flame-retardant layers are further arranged on the other sides of the battery cells. The energy storage system comprises energy storage modules, and the energy storage modules are installed according to the mode of at least one layer, at least one row and at least one column. Products of different sizes can be expanded, the development cost is reduced, the grouping efficiency of the energy storage module can be improved, the number of parts is reduced, the cost is reduced, and meanwhile reliability and safety are considered. The energy storage system can be assembled based on the energy storage modules so as to adapt to different application scenes.
Owner:SHANGHAI AOWEI TECH DEV
Straight-runner low-temperature and low-voltage rectangular fuel cell
InactiveCN102623731ADoes not affect strengthIncrease the flow channel volumeCell electrodesFuel cell auxillariesFuel cellsLow voltage
The invention discloses a straight-runner low-temperature and low-voltage rectangular fuel cell, which comprises an upper intake pipe connecting plate and a lower exhaust pipe connecting plate, wherein at least two carbon polar plates which are vertically distributed in parallel are tightly pressed between the intake pipe connecting plate and the exhaust pipe connecting plate, an exchange membrane is clamped between every two adjacent carbon polar plates, the upper surface and the lower surface of each carbon polar plate are respectively provided with a plurality of channels which are parallel to one another, and the line type of the cross section of each channel is a sine curve. According to the fuel cell disclosed by the invention, the volume of gas runners is increased, the structural utilization rate is increased, and the effective working area of the fuel cell is increased.
Owner:SHANGHAI DIANJI UNIV
Positioning device with flexible structure and positioning method of positioning device
ActiveCN109590773ARapid positioningPrecise positioningPositioning apparatusMetal-working holdersBiomedical engineering
Owner:BEIJING INST OF AEROSPACE CONTROL DEVICES
A terminal module, socket and terminal
ActiveCN109449658BHigh structural utilizationSimple structureCoupling contact membersCouplings bases/casesElectromagnetic interferenceEngineering
Owner:NUBIA TECHNOLOGY CO LTD
Cycle microcosmic truss insert and manufacturing method of cycle microcosmic truss structure body
InactiveCN104712097AEasy to operateImprove production efficiencyBuilding componentsEnergy absorptionEngineering
The invention relates to a truss insert and a manufacturing method of a truss structure, and in particular relates to a cycle microcosmic truss insert and a manufacturing method of a cycle microcosmic truss structure body, aiming at solving the problems that in the prior art, the manufacturing method of a microcosmic truss is complicated in steps, low in manufacturing efficiency and high in manufacturing cost. The cycle microcosmic truss insert comprises an insert body, wherein a plurality of interlocking nicks are formed from a long side of the insert body to the central axis along the length direction of the insert body. The invention also relates to the manufacturing method of the cycle microcosmic truss structure body, and the method comprises the four steps of carrying out hole machining, processing the interlocking nicks, carrying out interlocking assembly on a plurality of cycle microcosmic truss inserts, and carrying out reinforcement work. The cycle microcosmic truss structure body has the advantages of being light in weight, good in energy absorption effect and good in vibration isolation effect. The manufacturing method provided by the invention is used for manufacturing the cycle microcosmic truss structure body.
Owner:HARBIN INST OF TECH
Infrared thermal imaging sensor pixel and infrared thermal imaging sensor
ActiveCN113776677AHigh structural utilizationImprove response ratePyrometry using electric radation detectorsResponsivityEngineering
The invention provides an infrared thermal imaging sensor pixel and an infrared thermal imaging sensor, and relates to the field of sensor pixels, wherein the infrared thermal imaging sensor pixel comprises bridge piers, bridge arms, a bridge floor, interconnection through holes, thermistors and release holes; and the whole pixel structure is of a sandwich type laminated structure, top aluminum is located on the bottommost layer of the pixel structure, the bridge floor is located on the topmost layer of the pixel structure, and the bridge piers, the bridge arms, the interconnection through holes and the thermistors are all located in the laminated structure. Through the design of the sandwich type laminated structure, the arrangement area of the thermistors is increased, the utilization rate of the whole pixel structure is improved, and the flicker noise of the material is reduced. In combination with the folding arrangement of the bridge arms, the length of the bridge arms is further increased in a limited space, so that the thermal conductivity of the pixel structure is reduced, and the overall response rate of the pixel structure is improved. In addition, due to the design of the central release hole, the release of the PI adhesive in the combustion process of a PI sacrificial layer is optimized under the condition that the thermistors are not damaged.
Owner:北京安酷智芯科技有限公司
Intelligent garbage classified collection and transportation device
ActiveCN114834791AReduce deliveryImprove discharge effectWaste collection and transferRefuse receptaclesProcess engineeringGarbage output
According to the intelligent garbage classified collection and transportation device, a treatment conveying mechanism can be in butt joint with discharging openings of all garbage recycling bins, the treatment conveying mechanism can convey garbage output from the discharging openings, and the treatment conveying mechanism can further conduct smashing treatment on the garbage discharged from at least one garbage recycling bin; the garbage conveying and discharging capacity is effectively improved, the garbage can be crushed according to needs, harmful garbage can also be subjected to non-crushing treatment, and the treatment and transfer capacity is improved.
Owner:GUANGZHOU CITY CONSTR COLLEGE
Hanging piece and shower head structure
The invention discloses a hanging piece and a shower head structure. The hanging piece is suitable for being hung on a vertical rod piece and comprises a body and a first hook; the gravity center of the hanging piece is configured to be located in the body; one end of the first hook is fixedly connected to one side of the body, and a first through groove is formed between the first hook and the body; the first through groove is provided with a first opening for the rod piece to pass through; the first opening is configured to allow the rod piece to pass through in the state that the first hook does not need to be elastically deformed; the inner surface, facing the body, of the first hook forms an abutting part; the first hook is also provided with a stop part; and the stop part is configured to be suitable for preventing the rod piece from being separated from the opening when the rod piece abuts against the abutting part. The shower head structure comprises a shower head body and the hanging piece; and the shower head body is fixedly connected with the body. According to the hanging piece and the shower head structure, hanging, dismounting and position adjusting can be conveniently achieved on the rod piece, the structure is simple, and the operation is convenient.
Owner:QUANZHOU JETOM HOSE IND
Composite foundation and foundation reinforcement construction method for offshore wind turbines
ActiveCN111501814BImprove bearing capacityIncrease contact areaBulkheads/pilesSoil preservationRebarPipe
Owner:HEBEI UNIV OF TECH
Load-bearing cylinder main support structure of large off-axis three-mirror space remote sensing camera
ActiveCN110529699BSmall envelopeLower launch costsStands/trestlesCamera body detailsWide fieldStructural engineering
Owner:CHANGGUANG SATELLITE TECH CO LTD
Achromatic optical zoom system based on double-layer medium metasurface
ActiveCN114460726AAchieve chromatic aberration-free focusingAvoid the need for additional workspaceOptical elementsBi layerImaging quality
The invention discloses an achromatic optical zoom system based on a double-layer medium metasurface, and belongs to the technical field of optical devices. Comprising a first-layer dielectric metasurface and a second-layer dielectric metasurface, and the first-layer dielectric metasurface and the second-layer dielectric metasurface are arranged in parallel. The first-layer dielectric metasurface and the second-layer dielectric metasurface are formed by splicing a plurality of phase regulation and control units, and the first-layer dielectric metasurface and the second-layer dielectric metasurface formed by the plurality of phase regulation and control units respectively have opposite spiral phases; wide-spectrum incident light passes through the spiral phase of the first layer of dielectric metasurface and the spiral phase of the second layer of dielectric metasurface to be subjected to wavefront phase modulation at the same time, and then an output synthetic phase is a spherical lens phase, so that output light with different wavelengths is focused at the same focus. According to the invention, chromatic aberration-free zooming of wide-spectrum incident light can be realized, the requirement of an extra working space is avoided, and the integration level and the imaging quality are high.
Owner:HUAZHONG UNIV OF SCI & TECH
Straight-runner low-temperature and low-voltage rectangular fuel cell
InactiveCN102623731BDoes not affect strengthIncrease the flow channel volumeCell electrodesFuel cell auxillariesFuel cellsLow voltage
Owner:SHANGHAI DIANJI UNIV
a stockyard
Owner:CISDI ENG CO LTD +1
Server functional wind shield
InactiveCN107027276AGuaranteed to workReduce the probability of crashesResilient/clamping meansCooling/ventilation/heating modificationsWorkspaceEngineering
A server functional windshield disclosed by the present invention includes a windshield cover body and two wind speed channels, the air inlet of the wind speed channel is provided with a bell mouth, and the two wind speed channels are respectively located in two CPU work areas and three wind speed channels. A memory work area; the outer surface of the windshield cover is provided with a wire harness fixing clip, and the wire harness fixing clip and the windshield cover are flexibly connected by an adjustment device; the right side of the windshield cover is provided with a tool fixing slot , the tool fixing groove is provided with a maintenance tool, the maintenance tool is fixed in the tool fixing groove through a fixing device, and the bottom end surface of the tool fixing groove is provided with a long circular groove. There is a bell mouth at the air inlet of the wind speed channel, so that the air intake at the fan end is more sufficient, and the air flow through the CPU radiator and memory is faster, which can dissipate the heat generated when the machine is working in time, and maintain the internal work of the machine Stability of the environment.
Owner:ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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