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A vertical intelligent take-off and landing control system
ActiveCN118759975BImprove adaptabilityImprove survivabilityProgramme controlComputer controlWeather factorExtreme weather
The present invention discloses a vertical intelligent take-off and landing field take-off and landing control system, which relates to the technical field of take-off and landing of take-off and landing fields, including an environmental monitoring module, an intelligent flight scheduling module, a vertical catapult take-off module, a take-off and landing field tilt control module, a fault accurate warning and processing module and a flight data in-depth analysis module: an environmental monitoring module: real-time monitoring of environmental parameters of the take-off and landing field, and automatic adjustment of monitoring strategies for extreme weather conditions; an intelligent flight scheduling module: real-time monitoring of environmental parameters and aircraft status, and intelligent planning of the take-off and landing path and time of the aircraft; in the present invention, through the real-time monitoring and strategy adjustment functions of the environmental monitoring module, the system can automatically adjust the monitoring strategy for extreme weather conditions to ensure the safety of aircraft take-off and landing, greatly improving the adaptability and survivability of helicopters in complex environments, especially in places with relatively harsh conditions such as mountainous areas and waters, and can significantly reduce take-off and landing accidents caused by weather factors.
Owner:ZHEJIANG SHENGXIANG MACHINERY +1
Manufacturing method and system for optimized steel fiber anti-crack ultra-high performance concrete centrifugal electric pole
PendingCN121981333AAccurately grasp production statusAchieve integrationGeometric CADForecastingProduction optimizationManufacturing technology
The invention relates to the technical field of concrete electric pole manufacturing, and discloses an optimized steel fiber anti-crack ultra-high performance concrete centrifugal electric pole manufacturing method and system. The method comprises the following steps: dividing an electric pole manufacturing process into a plurality of manufacturing units according to production batches, and collecting material component data, process setting data and online detection data in each manufacturing unit to form a multi-source production data set; calculating an anti-cracking performance index and a strength performance index based on a multi-source production data set, and dynamically outputting an initial process correction value through a dual-threshold monitoring mechanism and a performance adjustment model; performing adaptive adjustment on the initial process correction value of each manufacturing unit according to the production correlation between the adjacent manufacturing units to generate an adjusted process correction value; and carrying out serialization processing on the adjusted process correction value, and outputting a production optimization instruction which is applied to a manufacturing execution process. According to the method, electric pole manufacturing whole-process data integration and dynamic process optimization are achieved, and the production efficiency and the product quality stability can be improved.
Owner:XINJIANG HAOSHENGYUAN POWER EQUIP CO LTD
Subship homeward voyage method and system of marine unmanned aerial vehicle, terminal and storage medium
PendingCN119536336AFacilitate path planningsmooth landingVehicle position/course/altitude controlPosition/direction controlMarine engineeringUncrewed vehicle
The invention relates to a subship homeward voyage method and system of a marine unmanned aerial vehicle, a terminal and a storage medium, and relates to the technical field of subships, and the method comprises the steps: responding to a received electric quantity alarm signal sent by a subship, and sending a homeward voyage signal to the subship; generating a first return path according to the first positioning information of the sub-ship and the second positioning information of the mother ship; calculating the length of a movable path of the sub-ship according to the residual electric quantity; judging whether the length of the movable path is greater than the length of the first return path; if yes, sending a first return path to the sub-ship; if not, calculating a difference value between the length of the first return path and the length of the movable path to obtain a path difference value; determining a target position on the first return path according to the path difference value; generating a second return path according to the first positioning information and the target position; and sending the second return path to the sub-ship, and controlling the mother ship to move to the target position. The method has the effect of indicating the sub-ship to return to the mother ship.
Owner:NINGBO INT INVESTMENT CONSULTATION CO LTD
A landing gear for drones that stabilizes landing
This utility model discloses a landing gear for a drone with stable landing, including a support structure consisting of two sets. Each support structure includes a rhomboid block and mounting tubes. Sleeves are fixedly connected to two opposite corners of the front face of the rhomboid block, and sleeves are fixedly connected to the other two opposite corners of the rear face of the rhomboid block. The four mounting tubes are arranged in an X-shape, with one end of each tube installed inside a sleeve and the other end fixedly connected to a mounting plate. A mounting cavity is formed at the center of the mounting plate. Two mounting plates at the bottom are equipped with anti-vibration structures. The X-shaped distribution of the rhomboid blocks and mounting tubes enhances the overall stability of the landing gear, allowing the drone to land more smoothly and reducing the risk of damage due to instability. Furthermore, the combination of mounting tubes and sleeves facilitates efficient assembly, and if one component is damaged, it can be replaced promptly, ensuring the overall service life.
Owner:DONGGUAN LIANHAO MASCH EQUIP CO LTD
House building investigation equipment based on unmanned aerial vehicle
The utility model discloses an unmanned aerial vehicle-based house building reconnaissance equipment relates to unmanned aerial vehicle reconnaissance technical field, the utility model discloses an unmanned aerial vehicle-based house building reconnaissance equipment, the utility model discloses an unmanned aerial vehicle-based house building reconnaissance equipment, the unmanned aerial vehicle-based house building reconnaissance equipment comprises an unmanned aerial vehicle, the left and right sides of the bottom of the outer wall of the unmanned aerial vehicle are fixedly connected with mounting shells, the buffer mechanism comprises a fixed rod fixedly connected to the inner wall the front end and the rear end of the outer wall of the fixing rod are sleeved with and slidably connected with moving blocks correspondingly, the bottoms of the outer walls of the moving blocks are fixedly connected with connecting shells, and the bottom of the moving block located at the rear end is fixedly connected with a sleeve rod. The sleeve rod and the connecting rod drive the connecting shell and the moving block to slide on the outer wall of the fixed rod, the moving block extrudes the spring to deform, and the spring rebounds to push the sleeve rod and the connecting rod, so that the unmanned aerial vehicle lands more stably, damage of landing impact force to parts of the unmanned aerial vehicle is reduced, and the influence on the device is reduced.
Owner:CHONGQING CONSTR ENG GRP
Unmanned aerial vehicle airborne platform for road defect detection and detection device
The utility model discloses an unmanned aerial vehicle airborne platform for road defect detection and a detection device, and relates to the technical field of aircraft accessories, the airborne platform comprises an equipment frame and a plurality of supporting legs, each supporting leg is provided with a ball joint structure, and the supporting legs are connected with the equipment frame through the ball joint structures; the ball joint structure comprises a ball seat and a ball head, the ball seat is fixed on the equipment frame, and the ball head is rotatably arranged in the ball seat; the upper end of the supporting leg is fixedly connected with the ball head; the ball joint structure further comprises an elastic washer and a supporting table, the elastic washer and the supporting table are each of an annular structure arranged on the outer side of the supporting leg in a sleeving mode, the supporting table is fixed to the supporting leg, and the elastic washer is clamped between the ball seat and the supporting table. The supporting leg has a preset posture inclining outwards, the lower end of the supporting leg is located on the outer side of the upper end of the supporting leg, and the detection device comprises the airborne platform. According to the structural design adopted by the scheme, the unmanned aerial vehicle can stably land under the complex road surface condition of a road.
Owner:CHENGDU RAINPOO TECH CO LTD
A full-magnetic force supported rotor unmanned aerial vehicle and a flight control method thereof
The application discloses a full-magnetic-force-supported rotor unmanned aerial vehicle and a flight control method thereof. The rotor unmanned aerial vehicle adopts a high-speed non-iron-core permanent magnet synchronous motor to realize driving rotation, eliminates iron core loss during high-frequency and high-speed operation of the motor, and directly connects the blade and the motor rotor. A Halbach permanent magnet array and an aluminum ring are respectively fixed in corresponding grooves of an outer ring frame of a shell and an outer ring frame of a rotor, so that axial suspension force and partial radial suspension force are generated, the main radial suspension force is provided by a radial passive permanent magnet ring, and the rotor blade system is fully suspended. The shell outer ring frame and the shell inner ring frame are fixed by spokes, so that the overall weight can be reduced while the mechanical strength is ensured. The motor rotating speed and the guide vane angle are adjusted by the flight control method, so that the vertical lifting, air hovering, horizontal flight and stable landing of the rotor unmanned aerial vehicle are realized. The full-magnetic-force-supported rotor unmanned aerial vehicle has small electromagnetic loss, no mechanical friction and high cooperativity, and can improve the system operation efficiency and stability.
Owner:WUHAN UNIV OF TECH
Prefabricated assembled rhombic hanging basket and installation method thereof
The application relates to the technical field of bridge construction equipment, in particular to a prefabricated and assembled rhombic hanging basket and a mounting method thereof. The rhombic hanging basket comprises a main truss system, a walking system, a bottom basket platform, a suspension system and a composite anchoring system. The mounting based on the rhombic hanging basket comprises the following steps: prefabricating a foldable rhombic truss; using a hoisting device to pull the truss to unfold and pin shaft locking; installing a walking system and other components, using multiple frequency conversion winches to cooperate with displacement sensors, and using a synchronous deviation control algorithm to hoist the bottom basket platform as a whole. In the hanging basket, the rhombic truss can be folded and unfolded, the convenience of transporting and installing the hanging basket on site and putting into construction is improved, the walking system and the composite anchoring system are matched, the efficiency of moving the hanging basket is improved, the automatic synchronous control technology solves the hoisting control problem of the bottom basket under complex environment, the construction efficiency and safety of the hanging basket as a whole are improved, and the risk of high-altitude operation is reduced.
Owner:POLY CHANGDA ENGINEERING CO LTD
Cable production transfer equipment
ActiveCN224277196UReduce labor intensityImprove efficiencyHand carts with multiple axesElectric cablesSupport plane
Owner:SICHUAN GUANGLI CABLE CO LTD
Method for evading missile of split-body aircraft based on deep reinforcement learning and split-body aircraft
ActiveCN116400729Bhit realizationhit avoidSustainable transportationVehicle position/course/altitude controlDecision networksControl theory
This invention discloses a method for missile evasion by a split-type aircraft based on deep reinforcement learning, and the split-type aircraft itself. The method includes the following steps: S1. For the control of the split-type aircraft, a decision network and an evaluation network based on the DDPG algorithm are constructed and trained using reinforcement learning; wherein, the split-type aircraft includes a front sub-aircraft, a rear sub-aircraft, and a front-rear sub-aircraft separation device, the front sub-aircraft has a nose landing gear, a spare main landing gear, and a spare engine, and the rear sub-aircraft has a main landing gear and a main engine; S2. During flight, the x-axis distance, y-axis distance, and directional angle actually observed by the aircraft radar are used as state inputs into the decision network, which controls the aircraft's steering and the separation of the rear sub-aircraft from the front sub-aircraft. This invention can control the split-type aircraft's steering to align the aircraft with the missile's direction and separate the rear sub-aircraft from the front sub-aircraft before the missile hits the aircraft, thus achieving the function of split-type missile evasion.
Owner:TSINGHUA SHENZHEN INTERNATIONAL GRADUATE SCHOOL
Parachute harness release and aircraft
The application discloses a parachute harness release device and an airplane. A first explosion cavity and a rope passing channel are formed on a suspension point joint seat. An explosion pin comprises a rope winding end and an explosion end. The explosion end is provided with a sealing part. The rope winding end passes through the rope passing channel. The connection part between the rope winding end and the explosion end and the explosion end are arranged in the first explosion cavity. A sealed first air chamber is formed between the explosion pin and the first explosion cavity near the rope passing channel. A tensioning connecting piece is arranged on the suspension point joint seat and connected with the rope winding end. An igniter is arranged on the explosion end and used for releasing gas into the first air chamber. The tensioning connecting piece is disconnected, the rope winding end moves out of the rope passing channel, and a harness inner loop wound on the rope winding end is released. The parachute harness release device reserves a part of the length of the parachute rope. The parachute rope is released twice. The acceleration of the airplane and the pilot on the airplane when the parachute slows down is reduced. The possibility of injury is reduced.
Owner:ZHEJIANG CHINA AVIATION IND GENERAL AIRCRAFT INST CO LTD
Rotary flywheel momentum regulator for adjusting falling posture of quadruped robot
ActiveCN119636948Asmooth landingVehicle body stabilisationMechanical energy handlingClassical mechanicsFlywheel
The invention relates to the technical field of momentum adjusters, in particular to a rotating flywheel momentum adjuster used for adjusting the falling posture of a quadruped robot. In order to overcome the defects in the prior art, three flywheel momentum regulators are arranged, axes of three flywheels are perpendicular pairwise and are located on a virtual x axis, a virtual y axis and a virtual z axis respectively, the angular momentum conservation principle is applied, angular momentum in the pitching, yawing and rolling directions is applied to the quadruped robot, the posture of the quadruped robot in the falling process is adjusted, and therefore the quadruped robot falling posture is adjusted. And stable landing of the quadruped robot is realized.
Owner:HARBIN INST OF TECH +1
Lightweight quadcopter and control method thereof
ActiveCN120803009BHigh light flow fixed point effectsmooth landingVehicle position/course/altitude controlPosition/direction controlAutomatic controlFlight vehicle
The present application relates to the technical field of automatic control of aircraft, solve the problem that the unmanned aerial vehicle cannot realize the hovering at a fixed point when the precision of height fixing is insufficient and the GPS signal is poor, especially relates to a lightweight four-rotor unmanned aerial vehicle and a control method thereof, the control method comprises the control of the attitude of the unmanned aerial vehicle, the control of the height of the unmanned aerial vehicle and the position fixing control of the unmanned aerial vehicle, and after realizing the control of the attitude of the unmanned aerial vehicle, the control of the height of the unmanned aerial vehicle and the position fixing control of the unmanned aerial vehicle, a protection mechanism is executed according to the signal state of the unmanned aerial vehicle based on a safety protection algorithm. The control method can realize high-precision position fixing and unmanned aerial vehicle optical flow fixing effect. At the same time, a safety protection algorithm of the unmanned aerial vehicle is designed, the signal state of the unmanned aerial vehicle is identified through the algorithm, and the unmanned aerial vehicle can land smoothly after the remote control signal of the unmanned aerial vehicle is lost.
Owner:ANHUI UNIV
Aircraft carrier facilitating take-off and landing of aircraft
PendingCN121986054Areduce impactIncreased durabilityAircraft carriersGround installationsFlight vehicleAircraft landing
The invention relates to an aircraft carrier convenient for take-off and landing of an aircraft, which comprises a main body, and a buffer part which is coupled to the upper surface of the main body with a landing plate which is elastically retracted and extended, and which elastically buffers an impact force when the aircraft lands on the landing plate. Through the structure, the main body is combined with the landing plate which is elastically retracted and stretched out, so that the impact force during landing of the aircraft is effectively buffered, stable landing can be ensured, and the durability of the aircraft body can be remarkably improved.
Owner:李相默
Adjustable sun-shading device for seedling raising greenhouse
ActiveCN222583160UEasy to adjustsmooth landingClimate change adaptationGreenhouse cultivationGreenhouseElectric machinery
The utility model discloses an adjustable sun-shading device for a seedling greenhouse, which comprises a greenhouse, side bottom plates are symmetrically arranged on two sides of the greenhouse, support plates are fixedly arranged on two sides of the top of each side bottom plate, and a sun-shading top frame is fixedly connected to the tops of the plurality of support plates. The adjusting plates, the rotating wheels, the synchronous belt and the second motor are adopted, the second motor rotates to drive the rotating shaft of one adjusting plate to rotate, and the rotating wheels are fixedly installed at one ends of the rotating shafts of the adjusting plates and are in transmission connection through the synchronous belt, so that when the second motor rotates, all the adjusting plates can be driven to rotate; the adjustable sun-shading device has the advantages that the sun-shading area can be adjusted, and adjustment is convenient and fast.
Owner:XIAMEN RUYI SEEDLING HIGH-TECH CO LTD
Land resource purpose control monitoring device
ActiveCN119618313Aavoid waterReduce manual controlMeasurement apparatus componentsEnergy efficient board measuresEnvironmental resource managementLand resources
The invention relates to the technical field of land resource measuring devices, in particular to a land resource purpose control monitoring device. Comprising a halfpace-shaped main body, solar panels fixed on inclined surfaces of four sides of the main body, a connecting bracket capable of being fixed with an unmanned aerial vehicle mounted at the top of the main body, supporting mechanisms arranged on four sides of the lower end surface of the main body, a placement hole formed in the center of the bottom of the main body, and a landing measurement mechanism arranged in the placement hole and right below the placement hole, a measuring box capable of rotating by 90 degrees on both sides is fixed in the measuring mechanism; according to the invention, remote soil quality measurement, water quality measurement and climate condition measurement of land resources can be realized, and multi-angle support is assisted to ensure balance and stability of the whole machine.
Owner:山东省国土空间生态修复中心(山东省地质灾害防治技术指导中心山东省土地储备中心)
Tracking and positioning method and tracking and positioning device for unmanned aerial vehicle
PendingCN119596975Aquick decisionstable flightImage enhancementImage analysisFeature extractionUncrewed vehicle
The invention discloses a tracking and positioning method and a tracking and positioning device for an unmanned aerial vehicle. The method comprises the following steps: acquiring a reinforcement learning tracking network; a video stream of aerial photography of the unmanned aerial vehicle is obtained, an anchor frame area is arranged in the video stream, and the anchor frame area is used for representing the position and size of a tracking target; performing feature extraction on the video stream to obtain a feature vector of the anchor frame area in the video stream; inputting the feature vector into a reinforcement learning tracking network to obtain a current action vector of the unmanned aerial vehicle; and based on the current action vector, a flight strategy of the unmanned aerial vehicle is generated, and the flight strategy is used for controlling the unmanned aerial vehicle to track and position the tracking target. The technical problem that autonomous landing of the unmanned aerial vehicle is unstable and unreliable is solved.
Owner:GUANGDONG POWER GRID CO LTD +1
Unmanned aerial vehicle take-off and landing system with overturning and stability augmentation functions
The utility model discloses an unmanned aerial vehicle take-off and landing system with turnover and stability augmentation functions, which comprises a fixed seat, a parking apron, a centering mechanism, a stability augmentation controller, a high-precision IMU (Inertial Measurement Unit) sensor and two electric push rods, the two electric push rods are connected between the back face of the parking apron and the fixing base, the high-precision IMU sensor is arranged on the parking apron and is in communication connection with the stability augmentation controller, and the high-precision IMU sensor is used for sensing the posture of the parking apron in real time and sending the posture information of the parking apron to the stability augmentation controller. The stability augmentation controller controls the two electric push rods to cooperatively stretch and retract to adjust the attitude angle of the parking apron according to the attitude information of the parking apron; the parking apron has the overturning function, the unmanned aerial vehicle can be conveniently stored and parked in the nest, meanwhile, in the take-off and landing process of the unmanned aerial vehicle, the parking apron has the stability augmentation function, and it is ensured that the unmanned aerial vehicle can still take off and land stably in the bumpy and shaking environment.
Owner:AVIC JINCHENG UNMANNED SYST CO LTD +1
Communication signal tower integrating new energy collection and storage, unmanned aerial vehicle operation and maintenance and electric vehicle charging
PendingCN121853841ARotation speed controlReduce wind obstructionPhotovoltaic supportsWind motor controlNew energyDrive shaft
The invention relates to the technical field of new energy collection, and particularly discloses a communication signal tower integrating new energy collection and storage, unmanned aerial vehicle operation and maintenance and electric vehicle charging, the communication signal tower comprises a signal tower base, and the bottom of the side face of the signal tower base is fixedly connected with an automobile charging platform; the position, located above the automobile charging platform, of the side face of the signal tower base is fixedly connected with an unmanned aerial vehicle platform, the deflection assembly comprises a second telescopic rod, a driving shaft of the second telescopic rod is fixedly connected with a rotating seat, and deflection fan blades are rotationally connected to the side face of the rotating seat. The side faces of the deflection fan blades are rotationally connected with one ends of adjusting pull rods, and the ends, away from the deflection fan blades, of the adjusting pull rods are rotationally connected with the side faces of the fixed ends of the second telescopic rods. The purpose of facilitating photovoltaic collection and utilization and unmanned aerial vehicle maintenance is achieved.
Owner:BEIJING JINJI ELECTRONIC TECHNOLOGY CO LTD
An agricultural drone for spraying
ActiveCN224297420UChange the angle of sprayEasy to adjustAircraft componentsInsect catchers and killersAgricultural engineeringUncrewed vehicle
The utility model belongs to the technical field of agricultural unmanned plane, concretely is an agricultural unmanned plane that carries out spraying, including unmanned plane body, is hung with the spraying frame subassembly on unmanned plane body, the spraying frame subassembly includes the suspension frame and sets up the spraying pipe on the suspension frame, be equipped with a plurality of spray heads on the spraying pipe, the suspension frame includes the support and the hanger, the support and the hanger are hinged and connect, the hanger can rotate around the support, and the hinged place is connected with the rotary disc, the hanger and the spraying pipe are detachable and connect, the utility model discloses through the suspension frame and the spraying pipe hinged type connection to make the spraying pipe can rotate relative to the suspension frame to change the angle of spraying, adjust according to the angle of spraying required, to reach the multi -angle spraying process.
Owner:CHENGDU THUNDERBIRD TECHNOLOGY CO LTD
Forestry investigation unmanned aerial vehicle
ActiveCN224075791UGuaranteed contact arealanding safetyAnimal repellantsElectric machineryUncrewed vehicle
An unmanned aerial vehicle for forestry investigation comprises an unmanned aerial vehicle body, an electric telescopic rod, an upper traction block, a lower traction rod, movable supporting legs, a traction spring, a stirring wheel driving motor body, a stirring wheel, a knocking piece, a bird frightening bell, a camera mounting base and a forestry difference adjustment camera, and the bottom of the unmanned aerial vehicle body is connected with the camera mounting base; main supporting legs are arranged at the bottom of the unmanned aerial vehicle body and distributed on the two sides of the camera mounting base, telescopic rod mounting tables are arranged at the bottoms of the main supporting legs, electric telescopic rods are fixedly connected to the side faces of the telescopic rod mounting tables, and telescopic pipes are arranged at the bottoms of the electric telescopic rods; three movable seat bearing rods are arranged on the side face of the telescopic pipe, the three movable seat bearing rods are evenly arranged around the telescopic pipe, supporting foot bearing columns are arranged on the side faces of the movable seat bearing rods, and the three sets of supporting foot bearing columns jointly form a locking block mounting groove.
Owner:BEIJING FUWEIXUN TECH CO LTD
A type of inspection drone for power distribution network maintenance
This utility model relates to the field of unmanned aerial vehicle (UAV) technology, and more particularly to an inspection UAV for power distribution network maintenance. The UAV includes a UAV body with symmetrically fixed arms on both sides. A propeller is rotatably mounted on the top of each arm. A camera is mounted on the front end of the UAV body. A support mechanism is also present at the bottom of the UAV body, providing support during landing and significantly improving operational stability in complex environments, protecting internal precision sensors and the camera from mechanical damage. A protective mechanism is also present at the front end of the UAV body, protecting the camera with a protective cover and effectively blocking the direct impact of the propeller's downwash airflow on the camera during landing. This utility model significantly improves the efficiency and safety of power grid operation and maintenance through the cooperation of the support and protective mechanisms.
Owner:王媛
Ecological repairing device for ocean light beach and using method of ecological repairing device
PendingCN119586462Asave resourcesGeneric goodCultivating equipmentsSea grassEnvironmental engineering
The invention provides an ecological restoration device for an ocean light beach and a using method of the ecological restoration device, and belongs to the technical field of ocean engineering and water environment engineering. The ecological restoration device for the ocean light beach comprises a planting cylinder, planting soil, a cushion material, a clamping groove, a landing pile and a buoyancy block. The ecological restoration device for the ocean light beach is ecological, is made of moso bamboo, and is ecological and environment-friendly; pollution and energy consumption are avoided; components are standard and easy to produce; according to the ecological restoration device for the ocean light beach, it is guaranteed that the ecological restoration device horizontally falls to the beach face, planting soil can be prevented from losing, and therefore the purpose of planting sea grass on the light beach is achieved.
Owner:FUDAN UNIVERSITY
Landing positioning method, device, storage medium and drone nest for unmanned aerial vehicle
The embodiment of the present application discloses a landing positioning method, device, storage medium and drone nest of a drone. The method includes: during the landing process of the drone, when the drone enters the scanning range of the laser radar set in the drone nest, the drone is scanned by the laser radar to obtain a point cloud image, the current posture of the drone is estimated according to the point cloud data, and the posture correction parameters between the current posture and the target posture are compared. The drone nest instructs the drone to perform posture correction according to the posture correction parameters, and the drone can be controlled to land smoothly on the drone nest. There is no need to set up an inertial measurement unit inside the drone, which reduces the hardware cost and weight of the drone.
Owner:GUANGDONG GAODE STARLIGHT INTELLIGENT TECH CO LTD
Aerial photography damping device for unmanned aerial vehicle
ActiveCN224184489Usmooth landingAvoid the phenomenon of inability to shrink significantlyAlighting gearClassical mechanicsUncrewed vehicle
The utility model discloses an unmanned aerial vehicle aerial photography damping device which comprises an unmanned aerial vehicle body, a camera is rotatably connected below the unmanned aerial vehicle body, propellers are rotatably connected to four corners of the unmanned aerial vehicle body, a cylinder barrel is fixedly connected below the propellers, a piston is slidably connected into the cylinder barrel, and a piston rod is fixedly connected to the center of the lower end of the piston. A damping mechanism is arranged below the piston rod and comprises a spring, the upper end of the spring is fixedly connected with the bottom of the cylinder barrel, the lower end of the spring is fixedly connected with a lifting ring, and the piston rod is sleeved with the lifting ring in a sliding mode. Meanwhile, the lifting ring greatly compresses the spring upwards, most external force borne by the unmanned aerial vehicle is removed, the phenomenon that the spring cannot be greatly contracted due to the fact that the spring is fixedly connected with one end of the piston rod is avoided, and therefore the damping effect of the unmanned aerial vehicle aerial photography damping device is improved, and stable landing of the unmanned aerial vehicle is guaranteed.
Owner:SHENZHEN SHIGUO TECH
Multi-point contact adjustable unmanned aerial vehicle undercarriage
PendingCN119611835Asmooth landingImprove adaptabilityAlighting gearUncrewed vehicleMechanical engineering
The multi-point contact adjustable unmanned aerial vehicle undercarriage comprises a plurality of supporting legs, an adjusting unit and a plurality of grounding frames, the supporting legs are used for being hinged to the lower portion of an unmanned aerial vehicle shell and can rotate around the unmanned aerial vehicle shell, and the contact angle between the supporting legs and the ground is adjusted; the adjusting unit is connected with the supporting legs and used for driving the supporting legs to rotate. The plurality of grounding frames are respectively arranged at the bottom ends of the plurality of supporting legs in a one-to-one correspondence manner, each grounding frame is provided with a plurality of adjustable contact parts, and the contact parts are distributed around the bottoms of the supporting legs and can be adjusted according to the condition of an actual landing surface so as to adapt to various irregular landing surfaces; the undercarriage design of the unmanned aerial vehicle can provide necessary stability in complex terrains and effectively prevent overturning or damage in the take-off and landing process, so that the use efficiency and safety are improved.
Owner:WUHAN TIEDUN CIVIL DEFENCE ENG
An adjustable motorcycle frame
The utility model discloses an adjustable motorcycle frame, it includes main beam, the top of main beam is provided with the saddle, and one end fixed mounting of main beam has the outer tube, and the inside movable sleeve of outer tube has the inner tube, and the fixed mounting of fixed plate has outside outer tube. Through above -mentioned structure, the adjustable motorcycle frame of this technical scheme, the movable sleeve of inner tube in outer tube, cooperate three mounting round holes on outer tube, second spring, limit axle and steel ball, and a plurality of limit holes on inner tube, and the rider can according to own shoulder and arm stretch demand, press the limit ring and make the steel ball on limit axle separate from the limit hole of inner tube, can promote the inner tube to slide to the suitable height in the outer tube, and the steel ball is fixed in the corresponding limit hole under the action of second spring, and the handlebar height is adjusted easily, to avoid higher rider bending and riding or the height of shorter rider arm needs excessive stretching.
Owner:SUZHOU LIANFAN MOTORCYCLE PARTS CO LTD
A variable configuration tiltable tri-copter unmanned aerial vehicle and control method thereof
A variable configuration tiltable three-rotor unmanned aerial vehicle and a control method thereof, comprising an unmanned aerial vehicle body, a power module and a three-way alloy connecting piece, the unmanned aerial vehicle body is composed of two layers of composite material plates, and a storage space is arranged between the two layers of composite material plates; the power module adopts a two-degree-of-freedom tilting structure design; the unmanned aerial vehicle body and the power module are connected through the three-way alloy connecting piece. The control method comprises designing a position controller and an attitude controller; obtaining the position information and the attitude information of the unmanned aerial vehicle and inputting into the control, obtaining the expected thrust and the expected moment; taking the expected thrust and the expected moment as known quantities, solving the expected tilting angle and the expected thrust of each power module based on a control efficiency model and a power module dynamics model. The present application realizes full decoupling of position and attitude, has the ability to fly in any direction at any attitude and fast attitude maneuvering capability. The present application can be widely applied in the field of unmanned aerial vehicle technology.
Owner:SUN YAT SEN UNIV