267results about How to "Easy landing" patented technology

A kite system with a ground station adapted for airborne power generation. The kite system may include a kite which comprises one or more airfoils which have mounted thereon a plurality of turbine driven generators. The turbine driven generators may also function as motor driven propellers in a powered flight mode, which may be used during take-off, which may include aspects of vertical take-off and landing. A perch adapted to facilitate the take-off and landing may be used as part of the system. The perch may pivot such that the pivot is oriented towards the tension direction of the tether.

An intersection adapted for engagement with a toy racetrack to provide an combination jump and overcrossing intersection for vehicles traversing the racetrack. The device features first and second supports engageable with inline pairs of track thereby forming two pathways across a jump formed by a gap in the middle of the device. The first support is in a translatable engagement with the second support between a first position where vehicles crossing the gap at the same time would collide and a second position forming a second path where vehicles jumping the gap are on different trajectories.

A trajectory of a struck golf ball from when the golf ball is struck until the golf ball lands is computed by a golf ball trajectory computing system. The system comprises: an initial trajectory measuring portions that measures an initial velocity, a launch angle, and a backspin rate of the golf ball immediately after impact thereof; a carry distance measuring portion that measures a carry distance of the golf ball from an impact point to a landing point where the golf ball lands; a duration-of-flight measuring portion that measures a duration of flight of the golf ball from impact thereof until the golf ball lands; and a computing portions that computes a trajectory of the golf ball based on the measured initial velocity, the measured launch angle, and the measured backspin of the golf ball immediately after impact, and the carry distance and the duration of flight of the golf ball.

The invention provides a bee raising box for protected crop pollination. The bee raising box consists of a box cover (1), a box body (2) and a nest frame (7); one side of the box body (2) is provided with a nest door (3) through which bees enter and exit, a plurality of groups of nest frame fixing clips (6) for fixing the nest frame (7) are arranged in the box body (2), and one side of the box body (2) opposite to the nest door is provided with a ventilation window (5); and a feeder (4) is arranged in the box body (2), and the feeder is arranged on any lateral surface vertical to the nest door. The bee raising box has the advantages of small volume, light weight, convenient carry, management and operation, and good heat insulation performance and ventilation performance; and the internal feed can meet the requirement of long-time pollination of swarms so that the bee raising box can play a role in pollination of the bees in a greenhouse and has significance for high quality and yield of the protected crops.

The invention discloses a production method for wide-early-superior raw cotton in a cotton region in Northwest China. The method includes the following steps of 1, fission type elite seed production,wherein variety selection,10-ten-thousand-times fission type seed reproduction, and grain selection according to the grain size are conducted; 2, planting in rows with the equal width and conducting the following matching technologies: the variety selection and rational early sowing technology, the edge film widening and lighting technology, the sowing row no-covering-soil and film no-covering-soil technology, the appropriate seedling water dropping technology, the first water late-drop technology, the plant-height increasing and appropriate tip pruning delay technology, and the cotton-flowering and boll-forming fertilizer re-application technology; 3, an early-sowing and early-ripening matching technology; 4, superior raw cotton quality control technologies which includes the technology of uncovering mulching films in the optimum period and preventing pollution, the technology of spraying an appropriate amount of disleave agent and ripener in the appropriate period, the technology ofremoving field weeds and foreign matters and the technology of harvesting in the appropriate period. The method is feasible, operation is simple and convenient, conversion from short-dense-early 'getting cotton by temperature' to tapping of the potential of light, temperature and environment resources is achieved, and support is provided for high-yield, high-efficiency and high-quality cotton.

The present disclosure describes an unmanned aerial vehicle (“UAV”) or a drone configured to autonomously deliver an item of inventory to a landing station or destination location. The drone receives inventory information and a destination location and autonomously retrieve the inventory from a source station. The drone is having a GPS module and communication module to communicate with the external devices and the GPS module helps the drone to determine the shortest route to the destination. At the destination location, the landing station has GPS guided lasers which help the drone to deliver the item safely. Further, the landing station also comprises an automatic lithium-ion battery switching system to replace the existing battery of the drone with a freshly charged battery.

The invention discloses an unmanned aerial vehicle charging supply positioning method. The method comprises the steps of 1 constructing a wireless charging platform of an unmanned aerial vehicle; 2 setting a beacon for the unmanned aerial vehicle to identify; 3 acquiring image coordinates of the beacon center and guiding the unmanned aerial vehicle to land autonomously; 4 coarse positioning of theunmanned aerial vehicle on the wireless charging platform; 5 accurately positioning the unmanned aerial vehicle on the wireless charging platform; 6 positioning a transmitting coil; and 7 self-checking of the position of the transmitting coil. According to the invention, the unmanned aerial vehicle is guided to land on the top plate of the wireless charging platform in an autonomous landing modeof image navigation and single-light-source assisted positioning; the center coordinates of the unmanned aerial vehicle and a receiving coil are accurately obtained through perspective transformationand laser scanning; a two-axis sliding table is used for controlling a wireless charging transmitting coil to move; high-precision alignment between coils is achieved; coil position self-checking is carried out through charging efficiency maximization; and the charging supply positioning of the unmanned aerial vehicle is high in speed and good in effect.

A liquid droplet discharging head includes: a substrate; a pressure chamber connected to the substrate; a penetrating portion formed in the substrate to discharge a liquid droplet; and a plurality of liquid droplet guiding portions formed at the penetrating portion of the substrate to guide the liquid droplet, in which each of the liquid droplet guiding portions extends with a curvature in an discharging direction of the liquid droplet.

The invention discloses a double-body unmanned aerial vehicle for fire control. The double-body unmanned aerial vehicle disclosed by the invention comprises a pair of unmanned aerial vehicle main bodies, wherein a signal transmitting and receiving device is arranged at the upper part of the middle part of the unmanned aerial vehicle main body, and a fire unit main body is arranged between the two unmanned aerial vehicle main bodies. The invention further discloses a corresponding firefighting truck, the top part of the firefighting truck is transformed, the firefighting truck can carry three unmanned aerial vehicles at the same time in addition to the functions of a traditional firefighting truck, so that the unmanned aerial vehicle and the firefighting truck are mutually matched in use. The double-body unmanned aerial vehicle adopts the design of double unmanned aerial vehicle main bodies, same fire extinguishing agents are carried at the same time, then the carrying volume of the fire extinguishing agent is improved, different fire extinguishing agents can also be carried to extinguish different fire behaviors, the corresponding firefighting truck is designed according to the structure of the double-body unmanned aerial vehicle, so that the unmanned aerial vehicle and the firefighting truck are mutually matched in use to improve the fire control efficiency, and cope with fire disasters at different conditions.

Disclosed is a hydraulic lift truck for carrying armoring movable-type switch cabinet functional vehicles. The problems that in the prior art, only the lifting height can be adjusted, the width cannot be adjusted, and a functional vehicle cannot be automatically locked on a hydraulic lift truck are solved. The hydraulic lift truck is characterized in that a nut is welded to a right vertical groove plate of a right lifting forked plate, lead screw fixing sleeves are fixed to a middle vertical plate and a right side plate of a lifting frame, lead screws are installed in shaft holes of the lead screw fixing sleeves, locking openings are correspondingly machined in a left guide rail plate on a left lifting forked plate and a right guide rail plate on the right lifting forked plate, hooked plates are arranged on the two sides of a guide rail of the hydraulic lift truck, and a slope is arranged on a front-end forked plate of the hydraulic lift truck. The hydraulic lift truck has the advantages that the height and the width of the lifting frame of the hydraulic lift truck can be adjusted, the requirement for lifting and transporting the functional vehicles with different cabinet widths through the same hydraulic lift truck is met, the functional vehicles can be automatically, safely and conveniently locked on the hydraulic lift truck, the functional vehicles can freely move onto the hydraulic lift truck, transportation is convenient, and time and labor are saved.

The invention discloses an internal heat circulation type dehumidification and heat dissipation type power distribution cabinet, belongs to the field of power distribution cabinets. The cabinet realizes the circulation flow of a heat dissipation settlement ball in a closed airflow channel through the heat absorption and heat release processes of the heat dissipation settlement ball, performs continuous heat dissipation on the interior of a cabinet body, and in the circulation flow process of the heat dissipation settlement ball, a rotary moisture reducing device is pushed to rotate through thevertical falling process of the heat dissipation settlement ball, so that the flowing of air flow in the cabinet body is accelerated, the heat dissipation efficiency can be improved, the heat in thecabinet body can be uniformly distributed, local moisture in the cabinet body is heated, the vaporization of the moisture is promoted, Water vapor can be discharged to the outside along with heat flow. In addition, the rotary moisture reduction device also has an absorption effect on vaporized moisture, the influence of the moisture on electrical equipment is reduced, and the absorbed water vaporcan be quickly diffused to the outside along with the air flow along with the rotary movement of the rotary moisture reduction device, so that the moisture reduction treatment on the interior of the cabinet body is realized.

The invention relates to an improved structure of an engine oil-gas separator. The improved structure comprises a cylinder cover shield, wherein oil-gas separating chambers are arranged on the inner surface of the cylinder cover shield; the oil-gas separating chambers comprise the first oil-gas separating chamber positioned on the air suction side and the second oil-gas separating chamber positioned on the air discharge side; the first oil-gas separating chamber adopts a four-stage separating structure; the second oil-gas separating chamber adopts a three-stage separating structure. Through the adoption of the four-stage separating structure and the addition of a cyclone separating plate group structure, when oil-gas mixed gas flows through the cyclone separating plate group, airflow can generate vortex due to the arrangement of a curve plate; as the densities of oil and gas are different, the oil and the gas are separated under the action of the vortex, separated large oil drops directly fall on oil baffles, and separated small oil drops hit against the surfaces of cyclone separating plates and flow towards orifice plates along the surface of the cyclone separating plates, so that the oil-gas separating effect is improved.

The present invention relates to an universal anti-turnover special vehicle. It comprises wagon body and three crawler assemblies which are uniformly distributed around side wall of the wagon, on the side wall of the wagon body the supporting bars which are respectively used for supporting loading wheel axles of all the crawler assemblies, so that no matter the wehicle is turned over toward which direction, its two crawlers can be contacted with ground, said vehicle can be continuously run.

A skateboard deck formed of laminated layers having increased twisting resistance around its center axis provided by fiber reinforced polymer matrix composite members running along the center axis and cross members extending toward side edges. Side members positioned between pairs of cross members provide additional torque resistance and energy storage for use in springing the board.

The invention discloses a rescue flying automobile. The rescue flying automobile comprises an automobile body and a control system which is used for controlling the automobile body to move; the control system is mounted in the automobile body; the control system comprises a controller, a camera, a distance sensor, a positioning system, a first driver, a second driver, a third driver, an obstacle avoiding sensor and a power supply device; the controller is wirelessly connected with a ground control end; the automobile body comprises a body, a folding wing, a folding ducted fan and an extensionladder, wherein the folding ducted fan is used for providing a lift force; the extension ladder is used for rescuing; the folding wing and the folding ducted fan are both electrically connected with the power supply device; the folding wing is electrically connected with the first driver; the folding ducted fan is electrically connected with the second driver; the extension ladder is electricallyconnected with the third driver; wheels are connected to the bottom of the body; sliding automobile doors are arranged on both sides of the body; and a light-control automobile lamp is arranged at thefront end of the body. The rescue flying automobile has the advantages that the rescue flying automobile is safe and reliable and the rescue time can be reduced.

The invention relates to a floor type powdery material storehouse which comprises a storehouse top, storehouse walls, a storehouse bottom and a storehouse foundation, wherein material flowing assisting devices are arranged on the storehouse bottom and are composed of pneumatic fluidization rods which are connected with air supply pipelines, material falling openings are formed in material conveying pipes, a decompression cabin is arranged on each material falling opening of the material conveying pipes, the side wall of each decompression cabin is provided with a feeding notch, the pneumatic fluidization rods are arranged in the material conveying pipes, the material conveying pipes are horizontally arranged on the surface of the storehouse bottom and penetrate through the bottoms of the storehouse walls and extend out of the storehouse, a material flow control device is arranged at a discharge end, located outside each storehouse wall, of each material conveying pipe, the other end, located inside the storehouse, of each material conveying pipe is an air supply end, and the air supply end of each material conveying pipe is connected with an air supply pipeline. In addition, barriers can be arranged on the periphery of each material falling opening of the material conveying pipes. The floor type powdery material storehouse is simple in structure and good in economy and safety performance, and can be widely applied to storage of powdery materials such as coal ash and cement.

The invention relates to a heaving measurement method with lever arm compensation and suitable for a strapdown inertial navigation system. The heaving measurement method comprises the following methods that the initial navigation parameter t=0 time is given, specifically, the strapdown inertial navigation system is subjected to initial alignment to obtain an initial pitching attitude angle theta (0), an initial rolling attitude angle gamma (0), an initial yawing angle psi (0) and a main course angle zeta (0); a sampling period h is set by the system, and output signals of gyroscopes and accelerometers on three axes are collected in real time; a relationship matrix between a carrier coordinate system b and a semi-fixed coordinate system s at tk time is recursively measured; the heaving acceleration at the installation point of the strapdown inertial navigation system is calculated by using a direction cosine matrix and the output of the accelerometers; the heaving acceleration at the gravity center is obtained by using the output of the gyroscopes and the projection of lever arm errors between the installation point of the strapdown inertial navigation system and the gravity centerpoint of a ship in the carrier coordinate system; and the heaving acceleration at the gravity center is subjected to filtering processing by a heaving filter F (k). According to the heaving measurement method, the heaving measurement of the strapdown inertial navigation system and with the lever arm compensation is achieved, and the operability of the ship is improved.

The invention relates to an aircraft carrier, which overcomes the defects of difficult taking off and dangerous landing of airplanes on the aircraft carrier in the prior art. The aircraft carrier adopts the technical proposal that the aircraft carrier comprises a body and a flight deck. The aircraft carrier is characterized in that a V-shaped flight deck and a declined landing deck are arranged; an ascending section of the V-shaped flight deck on a bow is lower and shorter than a V-shaped descending section; the flight deck is integrally arranged at the upper part of the main body or split into two parts and respectively arranged at the upper parts of a left body and a right body; the landing deck is arranged on one side, two sides, or between the left body and the right body; a stern section of the landing deck is arranged below or above the waterline. The aircraft carrier has the advantages of fully utilizing the acceleration effect of a descending incline to facilitate the taking off of the airplanes, utilizing the buffering effect of the water and the deceleration effect of an ascending incline to facilitate the landing of the airplanes, and overcoming the defects of difficult taking off and dangerous landing of airplanes on the aircraft carrier in the prior art.