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609results about How to "Improve wind resistance" patented technology
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Wind tunnel test analysis method and system for large-span warehouse structure
InactiveCN119374836AGuaranteed accuracyHigh precisionAerodynamic testingDesign optimisation/simulationTest analysisAtmospheric sciences
The invention relates to the technical field of data analysis, in particular to a wind tunnel test analysis method and system for a large-span warehouse structure. The method comprises the following steps: executing a wind tunnel simulation test operation, and collecting wind tunnel test data of the wind tunnel simulation test operation; performing wind pressure quantitative distribution simulation analysis of multi-scale wind direction angles based on wind tunnel test data to generate multi-scale wind pressure quantitative distribution data; designing a wind tunnel test large-span warehouse model according to the wind tunnel simulation test operation; based on the multi-scale wind pressure quantitative distribution data, carrying out wind load analysis on each node of the warehouse on the wind tunnel test large-span warehouse model to generate warehouse wind load data; based on the warehouse wind load data, large-span warehouse structure design parameter analysis is carried out, and large-span warehouse structure design parameters are generated; and transmitting the large-span warehouse structure design parameters to a terminal to execute large-span warehouse structure design parameter feedback operation. According to the method, optimization design of large-span warehouse structure parameters is realized through wind tunnel simulation test analysis.
Owner:HUNAN PROVINCIAL COMM PLANNING SURVEY & DESIGN INST CO LTD
Bridge built-in multi-dimensional self-adaptive tuning vibration reduction and monitoring device based on air energy
PendingCN119308216AImprove utilization efficiencyreduce complexityMeasurement devicesBridge structural detailsMonitoring systemDamper
The invention provides a bridge built-in multi-dimensional self-adaptive tuning vibration reduction and monitoring device based on air energy. The bridge built-in multi-dimensional self-adaptive tuning vibration reduction and monitoring device mainly comprises a bridge health monitoring system, an air energy device, a steel plate spring, a belleville spring, an electromagnetic damper, a hydraulic damper, a hydraulic displacement amplification mechanism and an actuator. The bridge health monitoring system is used for monitoring and analyzing the state of a bridge in real time, finding potential structural problems in time and driving the tuning vibration reduction device to respond according to the monitored vibration and temperature conditions to achieve self-adaptive control over bridge vibration, and the air energy device uses the quality characteristic of the air energy device as a mass block of the tuning vibration reduction device to achieve self-adaptive control over bridge vibration. The damping device plays a key role in vibration reduction, can provide temperature and humidity control for stable operation of a bridge and a monitoring system, and is matched with a spring, a damping system, a hydraulic displacement amplifying mechanism and an actuator to effectively control multi-directional complex vibration of the bridge, adjust the temperature difference between the inside and the outside of the bridge and prolong the service life of the bridge.
Owner:BEIJING UNIV OF TECH
Mountain windproof flexible photovoltaic support and installation method
PendingCN119543769AImprove wind resistanceImprove installation efficiencyPhotovoltaic supportsSolar heating energyElectrical and Electronics engineeringSupport plane
Owner:ZHEJIANG THERMAL POWER CONSTR CO LTD
Composite phase-to-phase spacer adaptively assembled and disassembled by unmanned aerial vehicle and assembling and disassembling platform thereof
PendingCN119627720AImprove wind resistanceImprove insulation performanceMaintaining distance between parallel conductorsDevices for damping mechanical oscillationsMarine engineeringUncrewed vehicle
The composite phase-to-phase spacer comprises the unmanned aerial vehicle and a balance rope ladder installed at the bottom of the unmanned aerial vehicle, the bottom end of the balance rope ladder is connected with a hoisting platform and a spacer assembly connected with the hoisting platform, and the hoisting platform comprises a connecting rod, a connecting rod, a connecting rod, a connecting rod, a connecting rod and a connecting rod; an auxiliary platform housing; an electric control assembly; the spacer assembly comprises a spacer rod; a magnetic structure; a wire locking hook; and a telescopic assembly. Compared with a traditional spacer rod installation mode, a worker needs to directly climb a tower or conduct wiring in traditional high-altitude live-line work, and high safety risks exist, the unmanned aerial vehicle is used for live-line installation of the spacer rod, the hoisting platform and the spacer assembly which are connected through a flexible structure are adopted, and the safety risk is high. The effect of accurate positioning is achieved according to the positioning auxiliary frame while good wind resistance and insulation effect are achieved.
Owner:YUNNAN ELECTRIC POWER TESTING & RES INST (GRP) CO LTD
Mountain photovoltaic array remote monitoring and fault early warning installation system
PendingCN119561491Atimely responseimprove accuracyPhotovoltaic supportsSolar heating energyPhotovoltaic arraysData transmission
The invention discloses a mountainous region photovoltaic array remote monitoring and fault early warning installation system which comprises a monitoring unit used for collecting operation data of a mountainous region photovoltaic array in real time, and a fault early warning unit used for judging whether the mountainous region photovoltaic array breaks down or not according to the data collected by the monitoring unit and sending out an early warning signal when the fault occurs. The remote monitoring center is used for receiving data transmitted by the monitoring unit and monitoring and managing the running state of the mountain photovoltaic array in real time, the installation support is used for installing the mountain photovoltaic array, the monitoring unit collects photovoltaic assembly and environment data in real time through various sensors, the data processing module carries out preprocessing and analysis, and the data processing module carries out real-time monitoring and management on the running state of the mountain photovoltaic array. And the data transmission module transmits data to a remote monitoring center in time, so that omnibearing and real-time monitoring of the running state of the mountain photovoltaic array is realized, the running condition of the mountain photovoltaic array can be mastered in time, and potential problems can be found.
Owner:HUADIAN JINSHANGCHANGDU NEW ENERGY CO LTD
Photovoltaic tile mounting structure, photovoltaic tile assembly and roof photovoltaic system
ActiveCN222525718UImprove assembly stabilityImprove wind resistancePhotovoltaic supportsSolar heating energyMechanical engineeringMaterials science
The utility model relates to a photovoltaic tile installation structure, a photovoltaic tile assembly and a roof photovoltaic system. The photovoltaic tile installation structure comprises a first frame used for combining a second structural member; the second structural part is used for being detachably connected with the attachment surface, and the second structural part is provided with a second clamping part detachably connected with the attachment surface; and the first limiting piece penetrates into the first frame from outside to inside and is used for keeping the connection state of the second clamping part and the attachment surface. The assembly difficulty of the photovoltaic tile assembly can be reduced.
Owner:JIANGSU TRINA SMART DISTRIBUTED ENERGY CO LTD
Flexible support for mountain photovoltaic construction
ActiveCN119652218Areduce distanceReduce the amplitude of up and down vibrationPhotovoltaic supportsPhotovoltaic energy generationArchitectural engineeringStructural engineering
The invention discloses a flexible support for mountainous region photovoltaic construction, and relates to the technical field of photovoltaic construction, the flexible support comprises a plurality of groups of fixing piles poured on a mountainous region, steel nooses are arranged among the plurality of groups of fixing piles, photovoltaic fixing plates are laid on the steel nooses, and bearing cables are further arranged among the plurality of groups of fixing piles. A square pyramid is arranged on the lower surface of the photovoltaic fixing plate, the bottom end of the square pyramid is arranged on the bearing cable, a windproof cable is longitudinally arranged below the bearing cable and penetrates through the square pyramid, windproof piles poured on a mountain land are arranged at the two ends of the windproof cable, and damping mechanisms are arranged in the windproof piles. The bracket is provided with the windproof cable and the damping mechanism, and the energy of up-down vibration of the windproof cable is absorbed through mechanical movement in strong wind weather, so that the amplitude of up-down vibration of the steel noose and the bearing cable can be reduced, the stability of the steel noose and the bearing cable is improved, and the wind-resistant effect is good.
Owner:SHANXI WUJIAN GRP CO LTD +1
Unmanned aerial vehicle hoisting structure
ActiveCN222512308Uhigh degree of automationImprove hoisting efficiencyFreight handlingLaunching weaponsUncrewed vehicleTurbine
The utility model belongs to the technical field of unmanned aerial vehicles, and particularly relates to an unmanned aerial vehicle hoisting structure, which is characterized in that a rack is matched with a movable hook, so that an unmanned aerial vehicle hoisting device can automatically suspend and release a hoisting box during use, the automation degree of the unmanned aerial vehicle hoisting structure is improved, and the hoisting efficiency of the unmanned aerial vehicle is improved. The working intensity of workers is relieved, meanwhile, the use safety of the unmanned aerial vehicle in the hoisting process is improved, the control assembly has the advantages of being large in transmission ratio, compact in structure and the like through cooperation of the turbine and the worm, the turbine and the worm can be locked in a one-way mode when the motor stops working, large radial and axial loads can be borne, and the safety of the unmanned aerial vehicle is improved. The unmanned aerial vehicle body can better control the direction of the automatic hooking device through the two sets of steel wire ropes distributed in a left-right linear mode, hoisting buckles can be hung more conveniently through the automatic hooking device, the overall weight of the automatic hooking device can be effectively reduced through the hollowed-out design of the triangular through groove, the structural strength can be enhanced, and the wind resistance of the automatic hooking device can be improved.
Owner:四川吉利学院
Photovoltaic tile fixing structure, photovoltaic tile assembly and roof photovoltaic system
ActiveCN222525719USimple structureReduce installation difficultyPhotovoltaic supportsSolar heating energyStructural engineeringMechanical engineering
The utility model relates to a photovoltaic tile fixing structure, a photovoltaic tile assembly and a roof photovoltaic system. The photovoltaic tile fixing structure comprises a fixing piece used for being installed on an attachment surface; the assembly part is connected with one end of the fixing part, a containing cavity is formed in the assembly part, and a frame of the photovoltaic tile is embedded in the containing cavity; and the anti-falling mechanism is arranged on the fixing piece and / or the cavity wall of the accommodating cavity, and the anti-falling mechanism is used for preventing the frame from falling off. Therefore, on one hand, the photovoltaic tile fixing structure is relatively simple in structure, and when the photovoltaic tile is assembled, only the frame of the photovoltaic tile needs to be embedded into the accommodating cavity, so that the installation difficulty of the photovoltaic tile is reduced; on the other hand, the photovoltaic tile fixing structure can be assembled independently, adjustment can be conducted according to the actual assembling position of the photovoltaic tile, and standardization of the photovoltaic tile fixing structure can be achieved; on the other hand, the assembly stability of the photovoltaic tile can be improved, so that the wind uplift resistance of the photovoltaic tile is improved; and on the other hand, independent disassembly and assembly of the photovoltaic tile can be realized.
Owner:JIANGSU TRINA SMART DISTRIBUTED ENERGY CO LTD
Tower wind load model test device and test method
The invention provides a tower wind load model test device and test method, the device comprises a tower simulation piece and a damping adjustment unit, the damping adjustment unit comprises an eddy current conductor assembly and an electromagnetic assembly, the eddy current conductor assembly comprises an eddy current conductor and a magnetic back plate, and an air gap is reserved between the electromagnetic assembly and the eddy current conductor. The method comprises the following steps: constructing a tower simulation piece according to a scale ratio, and determining the thickness of a longitudinal main tower rod of the tower simulation piece according to the thickness and the elastic modulus of the longitudinal main tower rod of the tower and the elastic modulus of the tower simulation piece; the critical vortex vibration initial wind speed, smaller than the preset safe wind speed, of the tower is screened out from the vortex vibration initial wind speeds of the tower during vibration of all orders; determining the optimal test simulation wind speed of the tower simulation part according to the critical vortex vibration initial wind speed and the wind speed ratio; and the electromagnetic assembly adjusts the initial damping force of the damping adjusting unit to the target damping force. The method has the advantages of improving accuracy and reliability of test results, reducing potential safety hazards of the tower and the like.
Owner:HUNAN UNIV
Assembly type metal fence easy to install
The assembly type metal fence easy to install comprises fence plate bodies, inclined supporting rods and bottom supporting rods, the fence plate bodies are vertically unfolded in the transverse direction, and matching plates are vertically fixed to the lower portions of the two sides of the front face of each fence plate body. The inclined supporting rods and the bottom supporting rods are arranged at the upper position and the lower position in front of the matching plate correspondingly. The utility model has the beneficial effects that the front ends of the inclined supporting rods and the front ends of the bottom supporting rods are fixed together to form a bracket shape in an acute angle form, and meanwhile, the rear ends of the inclined supporting rods and the rear ends of the bottom supporting rods are detachably connected with the matching plate on the back surface of the fence plate body through the disassembly and assembly combination components; in this way, the inclined supporting rods and the bottom supporting rods can be rapidly combined with the fence plate body, the operation mode of welding installation is replaced, the construction installation mode is simplified, and the inclined supporting rods, the bottom supporting rods and the fence plate body can be conveniently and rapidly combined and connected on the laying site.
Owner:SICHUAN FINE ARTS INST +1
Preparation method of long-acting stable dust suppressant
InactiveCN119351057ASolve the problem of greatly reducing the dust suppression effectHigh compressive strengthOther chemical processesActive agentFirming agent
The invention relates to the technical field of dust suppressants, in particular to a preparation method of a long-acting stable dust suppressant, which is prepared from the following raw materials in parts by weight: 8 to 10 parts of modified polyacrylamide, 0.5 to 1 part of composite cross-linking agent, 0.8 to 1 part of sodium polyacrylate, 1 to 1.2 parts of gum arabic, 0.8 to 1 part of xanthan gum, 2 to 2.5 parts of water-retaining agent, 1 to 1.2 parts of surfactant and 800 to 850 parts of water. Polyacrylamide in the dust suppressant is modified, and the composite curing agent is added, so that a cross-linked interpenetrating network structure is formed in the spraying and curing process, the wind-resistant dust suppressant has a good wind-resistant effect, and the problem that the dust suppression effect is greatly reduced after an existing dust suppressant is used for a long time is solved.
Owner:INNER MONGOLIA HAITAI ENERGY SAVING & ENVIRONMENTAL PROTECTION ENG CO LTD
Combined scaffold structure
ActiveCN222333231UImprove stabilityImprove wind resistanceScaffold accessoriesFloor slabClassical mechanics
The utility model discloses a combined scaffold structure, belongs to the technical field of scaffold building, and aims to solve the problems that the building height of an existing scaffold is limited, a scaffold stacking structure is damaged by a part of protruding building bodies, and the overall stability of the scaffold is affected. The structure further comprises an I-shaped steel overhanging unit, N inclined supporting units and N overturn-preventing units, N is a positive integer, the I-shaped steel overhanging unit is arranged above a protruding object of the outer wall of the building body, and each inclined supporting unit in the N inclined supporting units is arranged between every two adjacent floors in the building body structure. Each overturn-preventing unit in the N overturn-preventing units is correspondingly arranged at the top of the corresponding floor, the ultrahigh scaffold structure is mainly used for being built in building construction, meanwhile, the scaffold structure can adapt to the shape and the contour of the outer wall of a building through I-steel overhanging, and therefore the requirement for stable arrangement of the scaffold is met.
Owner:CHINA RAILWAY CONSTR GRP SOUTHERN ENG CO LTD +1
Basalt fiber photovoltaic support capable of dissipating energy without trepanning connection
InactiveCN119483436AImprove seismic performanceImprove wind resistancePhotovoltaic supportsSolar heating energyBasalt fiberMechanical engineering
The invention belongs to the field of basalt fiber photovoltaic supports, and discloses an energy-consuming basalt fiber photovoltaic support without trepanning connection, which is characterized in that a plurality of groups of energy-consuming connecting pieces are arranged on a stand column, and each energy-consuming connecting piece comprises a buckle, an energy-consuming assembly and a pre-embedded connecting steel plate; the buckle is used for fixing the basalt fiber supporting structure and providing stable inclined supporting force and vertical supporting force for the basalt fiber purline; the energy dissipation assembly consumes external load energy through friction, and the anti-seismic and wind-resistant performance of the support is enhanced; the whole support is connected without opening holes, stress is effectively dispersed, local stress concentration is avoided, and the material performance is kept; the energy dissipation assembly enables the support to be in rigid connection under the load and then to be in flexible connection, energy is consumed, load transmission is limited, and rod pieces are prevented from falling off and cracking. By adopting the bracket, the problems of mechanical property reduction and stability caused by trepanning are solved, the durability and the safety of the bracket are remarkably improved, and the bracket is widely applicable to different geographical and climatic conditions.
Owner:西安西电新能源有限公司 +1
Water level early warning device
ActiveCN222460798Ueasy to useavoid bendingNon-rotating vibration suppressionMachines/enginesElectric machineryStructural engineering
The utility model provides a water level early warning device, and relates to the technical field of water level detection. A buffer seat is arranged at the upper part of the fixed seat; a fixed rod is fixedly connected to the center of the top end surface of the buffer seat; a distribution box is fixedly connected to the exterior of the fixed rod; a solar panel is fixedly connected to the exterior of the fixed seat; the solar panel and the distribution box are arranged in a staggered manner; the upper part of the fixed rod is fixedly connected with a connecting frame; the tail end of the connecting frame is in threaded fastening connection with an ultrasonic water level meter; the top end face of the fixing rod is fixedly connected with an alarm lamp. A fixing frame is fixedly connected to the outer portion of the fixing rod. The driving motor is started to drive the control cam to rotate, then the bird repelling rod swings in a reciprocating mode through a series of transmission, and the problem that when birds stay near the ultrasonic water level meter, the ultrasonic water level meter is likely to be blocked is solved.
Owner:黑龙江省水文水资源中心鸡西分中心
Adjustable flexible photovoltaic support for large-gradient mountain land
PendingCN119602677Aregulation stabilityImprove applicabilityPhotovoltaic supportsSolar heating energyCross connectionMechanical engineering
The invention relates to the technical field of photovoltaic supports, and discloses an adjustable flexible photovoltaic support for a large-gradient mountainous region. The wind power generation device comprises two steel cable supports and two bearing cables erected on the two steel cable supports, each steel cable support comprises a frame-shaped support, a V-shaped wind plate is movably arranged on each frame-shaped support, a transverse frame is movably arranged at the top of each frame-shaped support, a first steel cable frame and a rotatable second steel cable frame are arranged on each transverse frame, and the first steel cable frames and the second steel cable frames are arranged on the first steel cable frames. The second steel cable frame is provided with two lifting ropes which are in cross connection with the V-shaped wind plate, so that when the photovoltaic panel on the bearing cable inclines towards one side under the influence of wind power, the V-shaped wind plate is also influenced by the wind power, and the second steel cable frame is driven by the corresponding lifting ropes to carry out counter-pulling adjustment on the bearing cable. According to the invention, counter pulling of the bearing cable can be realized by means of wind power in strong wind weather, so that stability adjustment of the flexible photovoltaic support in strong wind weather is realized.
Owner:ZHEJIANG THERMAL POWER CONSTR CO LTD
Wind-resistant anti-tilting self-stabilizing device for road traffic sign board
ActiveCN222332527UAlleviating poor stability conditionsImprove wind resistanceTraffic signalsRoad signsControl theoryRoad traffic
The utility model discloses a road traffic signboard wind-resistant anti-tilting self-stabilizing device which comprises a signboard body, two positioning lantern rings are fixed to the rear surface of the signboard body in the vertical direction, a mounting vertical rod is arranged behind the signboard body, and a signboard body reinforcing mechanism is arranged behind the signboard body. The signboard body reinforcing mechanism comprises a distance adjusting sliding rod, a first position adjusting base, a first reinforcing abutting plate, a second position adjusting base and a second reinforcing abutting plate. According to the signboard, through the arranged signboard body reinforcing mechanism, the first reinforcing abutting plate and the second reinforcing abutting plate are located on the back of the signboard body and play a role in reinforcing and abutting, and therefore the situation that the signboard body is poor in stability due to the fact that the signboard body faces wind in a large area is relieved; the first reinforcing abutting plate and the second reinforcing abutting plate can be adjusted at the supporting position of the back of the signboard body, the wind resistance of the signboard body can be enhanced, and the signboard body reinforcing device can adapt to reinforcing operation of signboard bodies with different lengths.
Owner:JIANGXI TRAFFIC ENG DEV CO LTD
Roof structure
ActiveCN222525699UGood appearance consistencyImprove waterproof performanceRoof covering using slabs/sheetsStructural engineeringMechanical engineering
Owner:JIANGSU CANLON BUILDING MATERIALS
Wind-resistant mechanism, wind-resistant device and wind-resistant equipment for solar photovoltaic panel
ActiveCN222509191UImprove wind resistancereduce wind resistancePhotovoltaic supportsSolar heating energyControl systemWind power
The utility model provides a wind-resistant mechanism, a wind-resistant device and wind-resistant equipment for a solar photovoltaic panel, and relates to the technical field of solar photovoltaic panel protection. One end of the photovoltaic panel assembly is rotationally connected to the base; one end of the telescopic driving piece is hinged to the base, and the other end of the telescopic driving piece is hinged to the bottom of the photovoltaic panel assembly; the wind speed detector is connected with the base; and the control system is electrically connected with the telescopic driving part and the wind speed detector, the control system is used for receiving a detection signal of the wind speed detector and can send a telescopic instruction to the telescopic driving part according to the detection signal, and compared with the prior art, the photovoltaic panel assembly can be prevented from circularly shaking and shortening the service life due to the influence of wind power.
Owner:CHINA PETROCHEMICAL CORP +1
A kind of FRP thin-walled electric pole and its manufacturing method
ActiveCN108407326BExtended service lifeUniform stress distributionTowersWhole bodyMechanical engineering
The invention discloses an FRP thin-walled pole and a manufacturing method thereof. The FRP thin-walled pole comprises a pole body. The pole body is in the shape of a truncated cone or a regular prism that is gradually thickened from top to bottom and hollow inside. The wall thickness of the pole body gradually increases from top to bottom. The pole body is formed by winding multiple layers of FRP material. A top end cap of the pole body is arranged. The FRP thin-walled pole is prepared by a winding process. The pole is designed to be a hollow thin-walled structure with a wall thickness of 2-15 mm. The pole has simple stress distribution, small internal stress, high strength, an integrated structure and light weight. The pole has a simple construction process, is not easy to rust, has a long service life, and meets various requirements for power transmission.
Owner:HUBEI ZHONGFUNENG NEW MATERIAL CO LTD
Flexible photovoltaic support
ActiveCN222655072Ureduce dosageImprove stabilityPhotovoltaic supportsSolar heating energyStructural engineeringMechanical engineering
The utility model discloses a flexible photovoltaic support in the technical field of solar photovoltaic, which comprises at least two groups of photovoltaic supports which are longitudinally arranged, connecting pieces are arranged in the longitudinal direction, a plurality of groups of photovoltaic supports are connected through the connecting pieces, each group of photovoltaic supports at least comprises two bases, two inhaul cables and a photovoltaic assembly, the bases are transversely arranged, and the photovoltaic assemblies are arranged on the bases. The lower ends of the bases are fixed on the ground, the bases are connected through the inhaul cables, the photovoltaic modules are fixed on the inhaul cables, the connecting pieces comprise span stabilizing pieces and connecting ropes, the span stabilizing pieces are connected between the inhaul cables arranged on each group of photovoltaic supports side by side, and the connecting ropes are used for connecting the span stabilizing pieces on two adjacent groups of photovoltaic supports. According to the flexible photovoltaic support, the technical problems that a certain safety risk exists and the labor intensity and the installation difficulty are increased due to the fact that an installation instrument needs to be manually lifted on a mountainous region to pre-tighten a steel rope in an existing device are solved, and the installation difficulty and the labor intensity are reduced, and the installation cost is reduced.
Owner:CHINA HYDROELECTRIC ENGINEERING CONSULTING GROUP CHENGDU RESEARCH HYDROELECTRIC INVESTIGATION DESIGN AND INSTITUTE
Wind-resistant and stable traffic signboard
ActiveCN222575309UImprove applicabilityImprove wind resistanceTraffic signalsTowersStructural engineeringControl theory
Owner:ZHONGHE INTELLIGENT JIANGSU CO LTD
3D printing method capable of printing while spreading powder
ActiveCN119457132AReduce downtimeincrease printing speedAdditive manufacturing apparatusIncreasing energy efficiencyMaterials scienceLaser printing
The invention discloses a 3D (three-dimensional) printing method capable of spreading powder while printing, which belongs to the technical field of 3D printing and comprises the following steps: S1, by taking a powder spreading scraper as a reference, arranging areas with a plurality of widths in the front and back of the moving direction of the powder spreading scraper as laser sintering closing areas, defining the printing working surface at the front part of the laser sintering closing area as an upper-layer pattern printing area, and defining the printing working surface at the rear part of the laser sintering closing area as a lower-layer pattern printing area; and S2, a powder spreading scraper moves at a constant speed to spread powder, the laser sintering closing area moves along with the powder spreading scraper, the width of the upper-layer pattern printing area and the width of the lower-layer pattern printing area change along with the powder spreading scraper, and meanwhile, laser is adopted for conducting laser sintering printing on the upper-layer pattern printing area and the lower-layer pattern printing area. The time of laser printing image interruption caused by powder laying can be shortened, and the printing speed is increased.
Owner:AMSKY TECHNOLOGY CO LTD
Floating platform for offshore wind power generation and design method thereof
ActiveCN119442401ASimple structural designImprove stabilityGeometric CADDesign optimisation/simulationControl systemOffshore wind power
The invention discloses a floating platform for offshore wind power generation and a design method thereof, and the method comprises the steps: 1) carrying out theoretical numerical simulation analysis, and building a floating platform model; (2) a platform structure and a supporting assembly are manufactured through the three-dimensional printing technology; 3) building a test device in the experiment pool; (4) after all the assemblies are built, equipment safety check is conducted; 5) setting initial environment parameters, and determining sampling frequency and sampling time; 6) starting an experiment, and adjusting a control system to obtain a set sea condition; 7) carrying out platform performance measurement, and adjusting parameters to obtain an optimal state; 8) acquiring response data of the platform in different environments; according to the method, starting from platform structure design, optimization steps are simple, operation is easy, the method is suitable for floating platform design and optimization under different sea conditions, and reliable verification is provided for offshore wind power generation.
Owner:YANGZHOU UNIV
Purline fixing photovoltaic support for single-layer waterproof roll roof
PendingCN119675546Ahigh strengthImprove wind resistancePhotovoltaic supportsSolar heating energyStructural engineeringMechanical engineering
Owner:THE FOURTH OF CHINA EIGHTH ENG BUREAU
A windproof tower crane
The invention relates to the technical field of cranes, and discloses a windproof tower crane, comprising a tower body, a jacking mechanism sleeved on the top of the side of the tower body, and a windproof mechanism, the windproof mechanism consisting of a fixed frame and four cable mechanisms, the fixed frame is fixedly connected to the bottom of the side wall of the jacking mechanism, the cable mechanism is used to tighten the surrounding of the fixed frame to enhance the stability of the tower body; the cable mechanism consists of a hoisting mechanism, a switch-type guide pulley, a one-way pulley, and a counterweight, the hoisting mechanism is installed on the ground around the tower body and is wound with a steel rope, the switch-type guide pulley is arranged at the bottom of the side wall of the tower body, the one-way pulley is installed on the top of the fixed frame, the steel rope bypasses the switch-type guide pulley vertically upward and bypasses the one-way pulley vertically downward to be connected to the counterweight; the invention adds a windproof mechanism on the basis of the original tower crane, and through the four cable mechanisms of the structure, a downward oblique traction force can be formed on the surrounding of the tower body, thereby improving the overall stability of the tower crane and avoiding tipping due to strong wind.
Owner:ZHEJIANG PANGYUAN MACHINERY ENG CO LTD
Unmanned aerial vehicle intelligent high and cold ecological monitoring device
PendingCN119408763AImprove wind resistancequick installationClosed circuit television systemsAlighting gearAir velocityMarine engineering
The invention relates to the field of unmanned aerial vehicle monitoring, and discloses an unmanned aerial vehicle intelligent high and cold ecological monitoring device which comprises a vehicle body, unmanned aerial vehicle arms, undercarriages, propeller blades, motors, cameras, heating plates and rubber non-slip mats. A top shell is installed at the top of the vehicle body, the lower portion of the top shell is connected with an unmanned aerial vehicle arm through a side frame, the unmanned aerial vehicle arm is of a hollow structure, and a cable channel is formed in the unmanned aerial vehicle arm and used for containing a cable to connect a motor and a motor. An undercarriage is fixed to the unmanned aerial vehicle arm, a shell is installed at the tail end of the undercarriage, propeller blades are connected with a motor through the shell, and the motor is installed below the shell and used for driving the propeller blades. Through flexible adjustment of the angles of the propeller blades, the inclination angles of the blades can be automatically adjusted according to the real-time wind speed and airflow changes, it is ensured that in the high and cold environment with strong wind or unstable airflow, the influence of wind on the flight stability of the unmanned aerial vehicle is effectively reduced, and the wind resistance of the unmanned aerial vehicle under the severe weather condition is improved.
Owner:LANZHOU JIAOTONG UNIV
Prefabricated concrete base assembly type fence
ActiveCN222333439UImprove pouring construction efficiencySimple structurePipe supportsDischarging arrangementLine tubingArchitectural engineering
The utility model relates to a prefabricated concrete base assembly type fence which comprises a fence base and a fence concrete base prefabricated operation steel platform device used for pouring the fence base. The fence concrete base prefabrication operation steel platform device comprises an upper concrete pouring device and a lower base platform. A water-filling heavy-weight area steel module is arranged in the fence base, and a reserved demolding hole is formed in the fence base and used for a forklift turner to fixedly turn over or filling water into the water-filling heavy-weight area steel module. A placement groove assembly is installed on the side face of the fence base and used for temporary pipeline penetrating. The fence concrete base prefabrication operation steel platform device has the advantages that the fence concrete base prefabrication operation steel platform device is simple in structure and convenient to produce and manufacture, multiple sets of bases can be prefabricated at a time through a single operation platform, the difficulty of on-site construction is reduced to a certain degree in combination with mechanical operation, and the pouring construction efficiency of fence concrete bases is improved.
Owner:ANHUI HIGHWAY ENG CORP
Temporary reinforcing device and method suitable for land wind turbine generator
PendingCN119267122Aincrease incomequick installationWind motor supports/mountsMachines/enginesExtreme weatherMarine engineering
The invention discloses a temporary reinforcing device and method suitable for a land wind turbine generator. The temporary reinforcing device comprises a mooring unit, an anchoring unit and an auxiliary lifting unit. The cable tying unit comprises a main cable, a hook-and-loop fastener, an auxiliary cable, a tying cable and an auxiliary lifting cable. The two ends of the main cable can be wound into a telescopic rope loop in a slipknot tying mode. One end of each mooring rope is tied to the main mooring rope, and the other end of each mooring rope is tied to the corresponding anchoring unit; one end of each auxiliary lifting cable is tied to the main cable, and the other end of each auxiliary lifting cable bypasses the corresponding auxiliary lifting unit; the secondary piece of the hook-and-loop fastener is fixed on the main cable, and the primary piece of the hook-and-loop fastener is fixed on the secondary cable; and the other end of the auxiliary cable is connected with the other end of the main cable through the master slice of the magic tape. According to the design, convenience of quick mounting and dismounting and reliability and effectiveness under the extreme weather condition are considered, and the emergency reinforcement requirement of the wind power plant in the face of natural disasters such as typhoon is met.
Owner:HAINAN MINGYANG SMART ENERGY CO LTD
Aleron structure of ornithopter
ActiveCN222611372Ureduce wind resistanceImprove wind resistanceOrnithoptersRotational axisFlight vehicle
The utility model discloses an aileron structure of a flapping-wing aircraft, which relates to the technical field of flapping-wing aircrafts and comprises a through-type grid keel, blades and a gear rotating shaft, the blades are arranged in grids of the through-type grid keel and are rotatably connected with the grids, and the gear rotating shaft is arranged on one side of the through-type grid keel and is connected with the flapping-wing aircraft; the blades comprise side edge rotating blades and center rotating blades, the side edge rotating blades are rotationally connected with the side edges of the grids, and the center rotating blades are arranged in the grids and rotationally connected with the side walls of the grids. The through type grating keel and the rotatable wing edge form an aileron structure with the wide middle and the two narrow sides, and wind resistance can be effectively reduced; and the side rotating blades are combined with the central rotating blade, so that the wind resistance can be quickly and effectively increased, and quick sudden stop can be realized in an emergency.
Owner:珠海凰凤飞行器技术中心(个人独资)