141results about How to "Avoid landing" patented technology

The invention discloses a goods receiving method and device and a goods delivery method and system. The goods receiving device comprises a box body, a cabin door and a wireless communication module, wherein the cabin door is arranged on the box body and is opened when goods are delivered from a flight vehicle and closed when delivered goods are received; the wireless communication module is used for communicating with the flight vehicle to unlock match so as to control the cabin door to be opened or closed. By means of the goods receiving method and device and the goods delivery method and system, the technical problem that goods cannot be unloaded automatically after being delivered to the destination in the prior art is solved, and the technical effect that goods are delivered automatically after being delivered to the destination by the flight vehicle is achieved.

This is a cable stayed steel truss module structure and its construction method. At least two steel trusses are installed to support a high building to be grouted with connecting steel held in between. At least four truss cables are stayed between the building and the steel truss. Beam is installed on the top of the truss with falsework module fixed to the beam.

A droplet discharge method includes performing a plurality of scans in which a discharge head and a substrate are scanned relative to each other, and discharging droplets of a plurality of types of functional liquid from the discharge head onto a plurality of prescribed portions on the substrate configured and arranged to hold the discharged functional liquid while the discharge head and the substrate are scanned. The performing of the plurality of scans includes performing at least one full discharge scan for each of the prescribed portions so that the functional liquid is discharged over an entire region of each of the prescribed portions, and performing a partial discharge scan so that the functional liquid is discharged so as to avoid at least part of peripheral edges of the prescribed portions.

The invention discloses an unmanned aerial vehicle interactive accurate landing system and method based on a dynamic two-dimensional code. The system comprises an unmanned aerial vehicle and a base station, a first GPS module of the unmanned aerial vehicle collects the current position information of the unmanned aerial vehicle and transmits the current position information of the unmanned aerialvehicle to a first controller of the unmanned aerial vehicle, the first controller transmits the current position information of the unmanned aerial vehicle to a second communication module of the base station via the first communication module of the unmanned aerial vehicle, the second communication module of the base station transmits the received current position information of the unmanned aerial vehicle to a second controller of the base station, and the second controller of the base station adjusts the display quantity and the display size of the two-dimensional code according to the received current position information of the unmanned aerial vehicle to guide the unmanned aerial vehicle to stably land on a parking apron.

The invention belongs to the technical field of terminals and specifically relates to a drop-preventing terminal and a terminal drop preventing method. The drop-preventing terminal comprises a terminal body, and also a drop detection module, a control module and an adjustment module; the drop detection module is used for detecting the state of the terminal while dropping; the control module is used for controlling the adjustment module according to the state; the adjusting module is used for shifting the center of gravity of the terminal according to the control of the control module. According to the drop-preventing terminal, the center of gravity of the terminal is controlled to shift according to the state of the terminal while dropping, to guide the terminal to drop vertically as much as possible, and therefore, the drop point of the terminal is guided to the head or the tail of the terminal and the side portions of the terminal are prevented from landing, and therefore, the drop prevention property of the terminal is improved.

A grid for selecting an appropriate embodiment of an athletic shoe having an upper and a multiple part sole forming an interior volume for receiving an individual's foot. The multiple part sole comprises an inner sole for engaging the plantar surface of the foot, a midsole attached to the exterior of the inner sole and substantially coextensive with the inner sole, and an outer sole attached to the midsole. The outer sole has a first portion extending from the toe of the shoe to a position beneath the foot selected according to the intended use of the shoe, and has a second contiguous portion extending from the selected position to the heel of the shoe, the first portion providing a landing surface for the shoe and the second portion being relatively thin as compared to the first portion thereby promoting proper posture and gait of the wearer.

The invention discloses a liquid atomized device and usage as suction toxicant exposure device, which comprises the following parts: accumulator, catheter, liquid adjustment valve, sprayer, air compression pump and air compressor conduit, wherein the big droplet collection cup is set in front of sprayer, whose bottom connects the big droplet reflux pipe to build a specific liquid foggy environment; the spray sensor can be set in the spray chamber, which accomplishes the self-control of liquid foggy quantity through connecting the signal amplifier with adjustment valve controller. The invention can be an experimental device to test animal suction toxicant exposure or other exposures, which collects large droplet in the accumulator to circulate.

The invention provides a corn double-line width ridge deep ploughing layering fertilizing seeder comprising a front subsoiling layering fertilizing unit and a rear precise sowing unit; the front frame of the subsoiling layering fertilizing unit and the rear frame of the rear precise sowing unit are connected through a parallel four-bar connecting rod member. The advantages are that the corn double-line width ridge deep ploughing layering fertilizing seeder can complete subsoiling, fertilizing, ridging, shaping and precise sowing works in one time after entering field, so the machine does not need to enter the field for many times, thus enhancing soil water storage capability, improving fertilizer utilization rate, and increasing grain yield; two gutter-ploughs and fertilizer pipes are reasonably arranged so as to realize layering fertilizing effect.

The invention discloses a key encryption method, apparatus and system of a trusted repeater and a quantum communication network. The key encryption method of the trusted repeater comprises the following steps: the trusted repeater receives a first relay key sent by a previous node and decrypts the first relay key through an encrypted relay decryption key to obtain an encrypted relay key, wherein the encrypted relay decryption key is generated by encrypting a relay decryption key by using a preset encryption key; and when the trusted repeater sends the encrypted relay key to a next node, the trusted repeater encrypts the encrypted relay key by using the encrypted relay decryption key to obtain a second relay key, wherein the encrypted relay decryption key is generated by encrypting the relay decryption key by using a preset key encryption key. The key encryption method, apparatus and system disclosed by the invention are wide in application range, small in influence to the application range of the trusted repeater and are able to enhancing the security of the trusted repeater on the premise of ensuring the scalability of the original network.

An apparatus for preventing a build up of snow or dust. The apparatus includes a plurality of air nozzles positioned around a periphery of a target area to be kept clear of snow or dust. Each of the nozzles directs a stream of air away from the target area. A deflector is positioned around a periphery of the target area. The deflector deflects the stream of air from each nozzle across the target area, wherein an air curtain is formed preventing snow or dust from landing on the target area.

The invention relates to an automatic weighing device for various materials, and belongs to the technology of automatic weighing detection. The automatic weighing device comprises an electronic belt scale, a programmable controller and a computer, wherein the output of the electronic belt scale is connected with the input of the programmable controller; the output of the programmable controller is connected with the input of the computer; the output of the computer is connected with the input of a server; the output of the server is connected with the input of a display; the electronic belt scale acquires a flow signal of materials conveyed by the belt; the programmable controller acquires a running signal of the belt, instantaneous values are acquired by a flow acquisition module, the materials are identified by a material determining module, and classification metering is performed by a material metering module; the computer runs a material statistics module so as to classify according to the materials, and count and inquire material metering data according to shifts and days; and the material metering data are uploaded to an informatization system automatically by an interface module. By the automatic weighing device, the automatic classification metering of the materials is realized, and the functions of automatic statistics and inquiry and the automatic uploading of the data are provided simultaneously.

Provided is a tension adding device for main rope replacement work for an elevator in which main rope replacement work can be smoothly performed without causing a main rope to drop in an elevator shaft by weight of the main rope. In this tension adding device for main rope replacement work for elevator, an existing main rope is wound around a drum for the existing main rope, and a new main rope is wound around a drum for the new main rope in such a way that the direction of the existing main rope to be wound around the drum for the existing main rope to be recovered by a winding means for recovering the existing main rope and the direction of the new main rope supplied from a supply drum for the new main rope to be wound around the drum for the new main rope are the same to each other. A brake means 27 is provided to brake the drum 25, 25A, and 25B for the existing main rope and the drum 26, 26A, and 26B for the new main rope.

The invention relates to a low-temperature belt-type drying system. The low-temperature belt-type drying system comprises a sludge pumping device, a deep dehydrating device, a sludge slicing device, asludge screen belt conveying device and a thermal pump dehumidifying device. By adopting the low-temperature belt-type drying system, the sludge pumping device, the deep dehydrating device, the sludge slicing device, the sludge screen belt conveying device and the thermal pump dehumidifying device are improved respectively, so that the working efficiency is improved integrally, the working reliability and drying effect of the drying system are improved.

The invention relates to the technical field of transformer production, and concretely relates to a transformer coil winding device. The device comprises a base, a side plate fixedly connected to thetop end of the base and a supporting ring fixedly connected to the top end of the base, the supporting ring is arranged on the right rear side of the side plate, a controller is fixedly connected to the right end of the side plate, and a rotation circle recording mechanism is arranged on the side plate. According to the invention, through the arrangement of a second motor, a right clamping plate,a convex block, a pressing counter and other components in the rotation circle recording mechanism, the accurate calculation of the number of winding circles can be realized, and the practicability isvery good; the second motor drives the right clamping plate to rotate, in the rotation process of the right clamping plate, the right clamping plate rotates for one circle each time, the convex blockon the right clamping plate presses an ejector rod to move downwards, the ejector rod moves downwards to overcome the elastic force of a second spring to press the counter down for counting, and after the convex block slides over the top end of the ejector rod, the ejector rod moves upwards again under the action of the second spring, and the process is repeated, so that counting of the number ofturns of the coil is achieved.

The invention relates to the field of automobile door lock control, in particular to an automobile viewing sunroof, which comprises a sunroof cover and guide rails. The guide rails are arranged on both sides of the sunroof cover longwise along an automobile, the sunroof moves along the guide rails, and an adjusting device enabling the guide rails to move crosswise along the automobile is connected with the guide rails. When the sunroof needs to be opened, the adjusting device enables the guide rails to be expanded, the sunroof slides along the guide rails to open the sunroof, and then the adjusting device drives the guide rails to retract below an automobile roof. When the sunroof needs to be closed, the guide rails are moved out to be expanded to support the sunroof cover, so that the sunroof is closed. The movable guide rail structure is capable of effectively preventing sundries from falling on the guide rails and guaranteeing smooth closing of the sunroof.

The invention discloses a self-adaptive oil palm fruit picking cutter and a picking execution device thereof. The cutter comprises a shearing assembly and a self-adaptive clamping assembly. The shearing assembly comprises two blades with cutting edges arranged in a staggered manner, a connecting rod mechanism and a shearing oil cylinder. The self-adaptive clamping assembly comprises oppositely-opened special-shaped claws. The picking execution device comprises a cutter, a first axial rotation mechanism, a longitudinal rotation mechanism and a second axial rotation mechanism, the first axial rotation mechanism, the longitudinal rotation mechanism and the second axial rotation mechanism drive the picking cutter to achieve up-down, left-right multi-angle movement, and therefore fruits at different positions can be accurately positioned, and the optimal shearing angle is achieved. According to the picking tool and the picking execution device, fruits can be accurately and effectively positioned through a tool bit adjusting device, the picking tool and the picking execution device are suitable for oil palm fruits of different sizes, hooking and fruit falling caused when leaves are sheared are avoided, the picking procedure is simplified, and the labor intensity is reduced.

The invention discloses a trimming stand, which comprises: a supporting body, a rotating device and a supporting frame. The rotating device connected with the supporting body can be used for selectively driving the rotation of the supporting body; and the supporting frame is used for supporting the supporting body and the rotating device. The invention provides the safe and reliable trimming stand with solar cell components so as to improve the trimming operation, reduce the labor intensity of the operators and simultaneously improve the efficiency of trimming operation.

The invention discloses a loading unmanned aerial vehicle for express transportation and a using method thereof, and relates to the technical field of express unmanned aerial vehicles. The problem offlexible connection between a package and an unmanned aerial vehicle is solved. The express delivery unmanned aerial vehicle comprises an unmanned aerial vehicle assembly, ropes are fixedly connectedto the inner wall of the bottom of the unmanned aerial vehicle assembly, the outer walls of the bottom ends of the ropes are divided into two strands through a disperser, and wrapping assemblies are fixedly connected to the outer walls of the bottom ends of the two strands of ropes; the using method of the express delivery unmanned aerial vehicle comprises the following steps of parcel placement,fixed assembly, adjustable take-off, drag reduction flight, landing judgment, separation landing and parcel taking-out. By arranging the rope, flexible connection between the unmanned aerial vehicle assembly and the parcel assembly can be achieved, on one hand, the situation that when a traditional unmanned aerial vehicle carries an express parcel to land, the express parcel falls to the ground rigidly, and returned impact force affects an unmanned aerial vehicle flight control system can be avoided; and secondly, the overall size in the air in the transportation process can be reduced, and collision accidents are reduced.

The invention discloses a sucker rod wellhead quick cleaning device, comprising a lower connector, and a central pipe and an outer pipe mounted on the lower connector. The outer pipe sleeves the central pipe, the side of the outer pipe is provided with a steam connector, the steam connector is communicated with a cavity between the central pipe and the outer pipe, forming a steam flow path, the wall of the central pipe is provided with at least two rows of a plurality of spouts inclined down from bottom to top, and the rows of spouts are peripherally and evenly distributed on the wall of the central pipe; a heat-proof curtain is further disposed between a port of the central pipe and a port of the outer pipe and sleeves the port of the central pipe. A sucker rod (tubing) is cleaned in time at a wellhead during trip-out, dirt brought from the bottom such as crude oil and paraffin deposit are cleaned into a dirt collection tank, oily water is avoided dropping the ground at the wellhead, and the environmental pollution problem caused during trip-out operation of the sucker rod (tubing) and ground thermal washing is effectively solved.

An artificial athletic turf includes a backing having a top face and a bottom face, yarn tufted through the backing such that cut pile extends from the top face and backloops of yarn are closely adjacent the bottom face and a discontinuous coat is disposed over the backloops and bottom face in order to bind the yarn to the backing The coating material is sprayed onto the bottom face of the tufted backing at an inclination angle of less than 45 degrees to the plane of the backing and under conditions which cause sprayed material to bind the backloops to the backing, but not deposit along narrow areas of the backing between rows of backloops, thus, allowing the turf to remain porous in spots.

The invention discloses an air guide component, an air-conditioner and an air guide method for the air guide component, and the air guide component comprises a driving mechanism, a reversing mechanism, a plurality of air guide vanes and an air guide plate. The reversing mechanism is connected with the driving mechanism, the multiple air guide vanes are installed on the reversing mechanism, the airguide plate and the reversing mechanism are arranged side by side, and the air guide plate is located on the air outlet sides of the air guide vanes, the air guide plate is provided with a pluralityof air guide holes, the air outlet ends of the air guide holes incline upwards, and a first included angle is formed between the axis of the each air guide hole and the horizontal plane. According tothe air guide component, the air-conditioner and the air guide method for the air guide component, the air guide plate is matched with micro holes, the bath sinking of cold air is realized, the uncomfortable situation that the blown high-speed airflow falling onto the body of a user causes the user to feel too cold or too hot can be effectively avoided, the jet range of the airflow is broader, andthe problem that the airflow falls to the ground to early and cannot sufficiently cool or warm the whole space is avoided.

The invention relates to an on-site electric heating cleaning device for various types of oil tubes and sucker rods pulled out of super high condensate oil wells, super heavy oil wells and super-high wax-bearing oil wells during oil well operation, in particular to an electric heating fused cleaning device for modulating wave oil tubes and sucker rods. The device of the invention is mainly composed of a vehicle-mounted wave production power supply, a pneumatic electrode clamping frame, an electrode clamping frame guide rail, a pneumatic lifting electric clamping frame, a pneumatic tube cleaner, a crude oil recovery device, a pneumatic control circuit, a first supply circuit and a second supply circuit, wherein, the electrode clamping frame is used for inputting electrodes and serves as a pivot; the electrode clamping frame and the pneumatic lifting frame lift and support heated and cleaned oil tubes or sucker rods so as to prevent the body of the oil tube or the sucker from contacting with other electric conduction objects to cause short circuit; the vehicle-mounted wave production power supply is used for intelligently supplying power; the crude oil recovery devices, such as the pneumatic tube cleaner, a woven bag support frame and the like are used for receiving melted rude oil and waxiness in and out of the oil tubes or sucker rods.

The invention provides a firefighting sand box with a water storage function. According to the technical scheme, the sand box comprises a box body, a sand loosening device, a sand delivering device, asand pushing device, a sand receiving device, and a water storing device; an axial hole is formed in the box wall of one side of the box body; a circular groove is formed in the box wall along the circumferential direction of the axial hole; a stopping groove is formed in the box wall of the box body; the stopping groove communicates with the circular groove; a stopping strip is arranged in the stopping groove; a shaft is arranged in the axial hole; a driving gear and a rotary rod are arranged at one end of the shaft; a driven gear is arranged in the circular groove; a magnetic sheet and a positioning pillar are embedded on the side wall of the driven gear; and a positioning hole matched with the positioning pillar is formed in the driving gear. Firefighting is conducted by collecting rainwater, and the sand box has the advantage that oil gas-induced fire is extinguished by firefighting sand.

The invention discloses a power transformer dust collector, comprising a retaining plate arranged at the upper end of a transformer and a mesh plate fixed below the retaining plate.The mesh plate is provided with obliquely downward vent holes, a dust removal brush is arranged between the mesh plate and transformer radiating fins, the dust removal brush is electrically connected with a control board through an electric telescopic rod, the control board is connected with a timer, and the control board and the timer are disposed in an electromagnetic shield.The retaining plate prevents dust carried by rain from falling to a transformer housing, the mesh plate retards the dust at the premise of ensuring ventilation, the dust removal brush is controlled by the control board to regularly move to clear dust accumulating on the transformer fins and the mesh plate, the electromagnetic shield prevents the transformer from electromagnetically interfering the control board and the timer, the power transformer dust collector saves labor, is good for normal operation of the transformer and is simple in structure and easy to popularize.

The invention relates to an automated production device for Enshi Yulu and a use method. The automated production device is characterized by consisting of a spreading-out chamber (1), a fresh leaf conveyor (2), a steam fixation machine (3), a fixation conveyor (4), a roller fixation machine (5), a primary cooling conveyor (6), a dynamic damping machine (7), a twisting unit (8), a deblocking machine (9), a single-layer dryer (10), a secondary cooling conveyor (11), a primary dryer (12), a fine twisting machine I (13), a fine twisting machine II (14), a secondary dryer (15) and a fragrance enhancer (16). According to the automated production device for the Enshi Yulu and the use method, the automated continuous production of the Enshi Yulu from fresh tea leaves to finished dry leaves is achieved, the production conditions are improved substantially, the labor intensity is relieved, the cost of labor is reduced, and the production efficiency is increased, so that the automated production device for the Enshi Yulu and the use method are satisfactory for the large-scale production of enterprises.