845results about How to "Expand quickly" patented technology

The present folding stock adapter can be used with many types of military-type assault rifles that typically comprise a receiver extension, buffer and action spring. The present folding stock adapter can be used to add a folding capability to a standard stock allowing it to fold against a rifle's receiver when the weapon is not in use, thus reducing the overall length of the weapon. This reduction in length can facilitate its maneuverability, storage and transport in cramped quarters. The present device can also allow for the quick unfolding of the stock in order to allow the weapon to function and be fired normally.

A tampon pledget that expands without the aid of moisture or menses. The tampon pledget has a plurality of high resiliency, non-absorbent materials and a plurality of absorbent materials. The tampon pledget has improved comfort as compared to conventional fully compressed tampon pledgets. The tampon pledget preferably has all of its non-absorbent and absorbent materials enclosed in a coverstock. The coverstock may be inverted or turned inside out, prior to filling the coverstock with the plurality of non-absorbent and absorbent materials. The coverstock insertion end, removal end, or both are pleated to further enhance comfort during use. A removal string may be secured to the inverted and pleated coverstock, above the removal end seal, by a top loop slipknot.

The present folding stock adapter can be used with many types of military-type assault rifles that typically comprise a receiver extension, buffer and action spring. The present folding stock adapter can be used to add a folding capability to a standard stock allowing it to fold against a rifle's receiver when the weapon is not in use, thus reducing the overall length of the weapon. This reduction in length can facilitate its maneuverability, storage and transport in cramped quarters. The present device can also allow for the quick unfolding of the stock in order to allow the weapon to function and be fire normally.

A side curtain air bag provides a region to assist a slower region to unfold at a faster rate during air bag deployment. A first region is relatively uninflatable compared to a second inflatable region. The inflatable second region is generally located between the first region and an upper end portion of the air bag. The first region includes two end points and the inflatable second region provides a way for increasing the deployment rate of the first region by extending between the two end points. The inflatable second region height is at least 40% of a height of the air bag to ensure adequate assistance to the first region in unfolding. A gas distribution hose and vent allow inflation gas to flow through and into the inflatable second region to increase the deployment rate of the second region.

The invention relates to a sensor system for judging body falldown. The sensor system comprises a hexa-axial sensor module, a microprocessor module and a power module, wherein the hexa-axial sensor module comprises a triaxial accelerometer and a three-axis gyroscope. The triaxial accelerometer is used for acquiring body acceleration, and the three-axis gyroscope is used for acquiring body angular speed; the body acceleration comprises X-axis acceleration, Y-axis acceleration and Z-axis acceleration; the body angular speed comprises X-axis angular speed, Y-axis angular speed and Z-axis angular speed; the microprocessor module is electrically connected with the hexa-axial sensor module and a uniaxial tilt angle sensor module; the microprocessor module is used for receiving the body acceleration, the body angular speed and body tilt angles, and is used for processing the body acceleration, the body angular speed and the body tilt angles to judge whether a body falls down or not; the power module is electrically connected with the hexaxial sensor module, the uniaxial tilt angle sensor module and the microprocessor module; and the power module is used for providing a power supply to all the modules. Moreover, the invention also provides a method for judging the body falldown and a body protection device.

The invention relates to an intelligent portable planet communication earth station, formed by antenna box and terminal box, wherein it comprises antenna reflective face, feedback source, polarity adjuster, direction / incline adjuster, antenna controller, L-frequency planet mark track receiver, GPS receiver, planet communication modulator / demodulator, signal coder / decoder. The antenna controller via incline device and GPS receiver confirms the initial incline angle of antenna position and antenna reflective face; the polarity adjuster matches the polar angle of antenna and the planet transmitter; the modulator / demodulator and signal coder / decoder transmit the planet mark signal output via track receiver to transmit communication signal. The invention can support voice, data, video signals, etc, with low weight and small volume.

The invention discloses a complementary power supply system of movable wind generation, solar generation and vehicle starting / generation, comprising a loading vehicle, a wind generating unit, a solar cell array, a storage system (super capacitor), a vehicle starting / generator and a power square cavity. The generating system is flexible to move and convenient to stretch, is particularly suitable for being applied to departments with long-term field mobile operation and can fully utilize renewable energy sources to reduce the dependence on fuel as much as possible, and provides electric power safeguard of the field operation.

This invention discloses one railway transport device super limit meter device and method, wherein, the meter device comprises the following parts: supportive system to provide stable supportive bench; measurement system to test, monitor and process data of object to be displayed, output, stored composed of laser radar, inclination sensor, angle sensor, step motor, rotation motor, work control machine, CCD cameral, servo system and cross rail ruler. The test method comprises steps of determining coordinate standard point; processing transmission data to determine super limit part and degree.

A stream data processing method method includes: getting stream data from a message queue, that is, the output data of the message queue is the input data of Flink, processing initial flow data once with the help of a message queue, and then parsing the received stream data into key-value pair events one by one by using preset data parsing rules, in order to preserve the data and their corresponding relationships with the widely used relational databases, which is convenient for data processing based on SQL, At the same time, the data analysis engine is utilized to analyze the data from many aspects and angles, so as to improve the accuracy of the analysis result. On the basis of the Flink framework which applies the data stream processing method provided by the application, the traditional stream data service can be rapidly expanded, and the combination with the existing tools is closer, and the efficiency is higher. At that same time, the application also disclose a stream data processing system, a device and a computer-readable storage medium, which have the beneficial effect mentioned above.

The invention discloses a mooring type motor-driven and unmanned helicopter and a system thereof. The mooring type motor-driven and unmanned helicopter can remain in the air for a long time and can be used for the tasks such as detection and the like; the helicopter comprises a helicopter body, an electric engine, a group of servo operating devices and at least one mooring rope; the helicopter body is used for forming airflow rectifying culverts which are provided with a frame, the electric engine is installed on the frame, one end of an output shaft of the electric engine is connected with a group of blades by a first coupler, a group of servo operating devices respectively comprises a winch controlled by a servo electric engine, one end of the mooring rope is connected with the helicopter body by a corresponding mooring rope coupler, and the other end of the mooring rope winds around the winch. The electric engine is connected to a power supply device on the ground by power transmission cable in at least one mooring rope. The mooring type motor-driven and unmanned helicopter can determine height and position accurately within a height scope of 10 meters to 500 meters and has the advantages of outstanding maneuverability, rapid, simple and convenient unfolding of equipment, excellent service performance and convenient in use and maintenance.

The invention relates to a floating platform for a mooring hot air airship. The floating platform comprises a capsule, a nacelle, an anchoring vehicle, a control system, and surface equipment; the capsule is connected with the nacelle through a pendant rope; and a mooring cable is connected with an intersection point at the lower end of the pendant rope and is arranged in the anchoring vehicle. The mooring cable is wound on a hydraulic pressure winch through a positioning disk; and the positioning disk and the hydraulic pressure winch are fixed on the anchoring vehicle. A mooring hot air balloon is released into the air 2,000 m high for carrying a communication base station in a remote operation mode, and quick deployment can be performed at a certain area, so that a smooth communication signal can be guaranteed at emergency and the floating platform has monitoring and detection functions. The floating platform for the mooring hot air airship has the advantages of low use cost, safety and reliability and the like, and is easy to operate and maintain.

The invention discloses a precision drip irrigation measuring and controlling system based on a wireless sensor network. The system comprises a plurality of soil moisture statue monitoring nodes arranged within field monitoring ranges; each soil moisture statue monitoring node comprises a plurality of soil moisture content sensors buried in different underground depths and a soil moisture statue signal processing module; the soil moisture statue signal processing module is used for sending control information to next precision drip irrigation control nodes through a ZigBee wireless communication unit; and each precision drip irrigation control node comprises a ZigBee low-power-consumption and short-range wireless communication module, a singlechip and a control execution unit. By the system, three-dimensional monitoring on soil moisture content of underground plant roots in the different depths can be realized, and the measuring and the controlling on precision drip irrigation can be realized without the support of fixed networks. The system has the characteristics of rapid development, strong destruction resistance and the like, is convenient to install and maintain, and is particularly applicable to rural areas with poor signal converge. Moreover, the communication cost is lower when the system is used in a large scale.

The invention discloses a single-drive synchronous unfolding mechanism provided with multiple folding control planes. Each control plane of a traditional small guided missile is independently driven by a torsion spring to be unfolded, synchronism is difficultly ensured, and the adopted unfolding mechanism enable the radial size of the guided missile to be large during folding. The single-drive synchronous unfolding mechanism comprises a cabin body, an actuator cylinder, a connecting rod and four unfolding mechanisms, wherein an actuator cylinder installing seat is fixed to the cabin, the actuator cylinder is connected with an actuator cylinder installing seat sliding pair, four actuator cylinder convex lugs are evenly distributed on the actuator cylinder, each actuator cylinder convex lug is hinged to the inner end of one connecting rod, and the outer ends of the four connecting rods extend out of installing holes formed in the unfolding mechanism respectively and are hinged to slide blocks of the corresponding unfolding mechanism. The unfolding mechanism comprises a rudder stick, the slide blocks, lug pieces, a middle rudder, a rudder tip, connecting rods and a spring locking mechanism, wherein the spring locking mechanism is used for locking the slide blocks and a rudder shaft. The transverse size of a missile body is effectively decreased during control plane folding. The controllability and synchronism in the unfolding process of the four control planes are ensured through driving of the single actuator cylinder.

The invention discloses a method for acquiring three-dimensional information of frequency mixing structured light based on phase encoding, mainly solving the problems of low measuring precision, low spatial resolution and long consumed time of the traditional three-dimensional information acquiring method. The method is realized through the steps: designing a double-color stripe template with two kinds of frequency information and changed strength; projecting the double-color stripe template on an objected to be measured by using a projector, and recording a deformed stripe image by using a camera; solving the color and strength phase distribution of the deformed stripe image; calculating truncation phase expansion values of pixel points in the deformed stripe image according to the color and strength phase distribution; confirming matching points of the pixel points in the projected template according to the truncation phase expansion values; and solving the three-dimensional coordinate value of each pixel point in the deformed stripe image according to a triangulation theory and the coordinates of the matching points. The method has the advantages of high space resolution, high measuring precision and high measuring speed and can be used for acquiring the three-dimensional information of dynamic objects.

The invention relates to a box-type foldable electric bicycle, which consists of a handlebar assembly, a front wheel assembly, a rear wheel assembly, a frame assembly, a power drive mechanism, a seat assembling and a conventional traffic indicating lamp assembly, wherein a handlebar folder, a straight pipe folder and a front fork folder are arranged on the handlebar assembly; a rear fork folder is arranged on the rear wheel assembly, the frame assembly comprises a frame, a frame inner liner, a frame outer cover and a folding and locking mechanism; and the conventional traffic indicating lamp assembly comprises a headlamp, steering lamps and a brake lamp. When the box-type foldable electric bicycle is in a folded state, a left handlebar and a right handlebar are folded obliquely and lean against a straight handlebar pipe; the straight handlebar pipe is obliquely folded towards a front fork, is limited by the folding and locking mechanism together with the front wheel assembly and the rear wheel assembly which are folded and pull each other, and is collected in the cavity of the frame inner liner; and the external side of the frame is covered by the frame outer cover. The assembliesare reasonably foldable. Since the front wheel assembly and the rear wheel assembly are crosswise arranged in the folded state, the box-type foldable electric bicycle has the characteristics of scientific structure, reasonable layout, convenience and rapidness in folding and unfolding, regular shape, attractive appearance, smooth surface, small volume, convenience in storage, carrying and use andvery high practicability.

An fire-fighting system for arresting a fire in a flammable or combustible liquid storage vessel comprising a portable discharging apparatus and a portable installation apparatus. The portable discharging apparatus receives a fire-fighting agent from a supply hose and applies the fire-fighting agent to arrest a fire in a storage vessel. The portable discharging apparatus can be attached to a distal end of the portable installation apparatus so that the portable discharging apparatus can be mounted on a storage vessel. Furthermore, a plurality of portable discharging apparatuses can be mounted on a single storage vessel, using the same portable installation apparatus, to provide a large amount or a variety of fire-fighting agents or to provide fire-fighting agents at a specific location on the storage vessel. The portable installation apparatus can be extended to a variety of lengths so that it can mount a portable discharging apparatus on a variety differently sized storage vessels.

The invention discloses a tripod capable of being fast leveled. The tripod comprises a base, three supporting legs and a leveling fixed seat, each supporting leg comprises a sliding seat and a sliding rod, a locking knob is fixedly arranged on each sliding seat, the fixed supporting legs are connected with the base through the locking knobs, and supporting feet are arranged at the ends, away from the sliding seats, of the sliding rods. Precision adjusting mechanisms are arranged between the sliding seats and the sliding rods, and the length of the supporting legs can be precisely adjusted through the precision adjusting mechanisms. The leveling fixed seat is arranged on the base and comprises an equipment mounting seat, a linkage fixed plate and a plurality of leveling knobs, measuring equipment is arranged on the equipment mounting seat, the leveling knobs are arranged on the lower portion of the equipment mounting seat and used for precisely adjusting the flatness of the equipment mounting seat, and the linkage fixed plate is clamped on the leveling knobs. The tripod has three adjusting methods of rough adjusting, precise adjusting and fine adjusting, the tripod can be unfolded, leveled, dismounted and stored fast, the leveling precision of the tripod is high, the leveling error can be controlled within 20 degrees, the precision stability is high in the long-term work process, and the precision stability is slightly influenced by environment temperature changes.

The invention discloses a fourth-generation mobile video command system and relates to a command system. A base station of the fourth-generation mobile video command system is connected with a command center, individual handheld devices and a monitoring client through a 100-M wireless private network, the command center is connected with a GIS server, a digital matrix, a basic data query server and a scheduling controller through a command and control server, the GIS server is connected with an electronic map display device, the digital matrix is connected with an image display device, and the scheduling controller is connected with a control platform. The fourth-generation communication technology is adopted for the fourth-generation mobile video command system, digital high definition 1080pfull HD image compression, other multimedia network transmission technologies and complete platform software are combined, and real-time and synchronous transmission of broadband multimedia service such as high-definition videos, voice and data can be achieved under high-speed mobile environments. The fourth-generation mobile video command system has the advantages of being wide in coverage range, high in sensitivity, good in mobility, high in anti-interference and anti-fading capacity and data transmission rate, prominent in stability and reliability and the like.

The invention relates to a longitudinal unfolding mechanism for a direct-connected folding wing. At present, folding wings of all missiles have functions of one time unfolding and locking, and the unfolding time of the folding wings of all the missiles is very short, the unfolding and locking impact is higher, and the interference on the posture of a flying missile is higher. By adoption of a direct-connected cam mechanism design idea, the reliable locking of folding wings of the missiles can be realized at a time. Power is supplied by a gas actuator cylinder and directly drives a cam to movealong a guide rail; and a driven sliding block on the missile wing is contacted with a chute of the cam and moves in the chute of the cam to realize unfolding of the folding wing. By the longitudinalunfolding mechanism, the minimization of a wrapping space of the folding wing is realized, the mechanism is compact, and high-precision and high-reliability folding, unfolding and locking can be realized easily.

The invention discloses a method of saving the bandwidth resource, comprising the following: a source node or an access node constructs a path detection requesting message carrying information according to the maximum available bandwidth from a local node to the inyoite interface link of a destination node, and sends the message to a middle node on a path from the local node to the destination node; after the middle node receives the path detection requesting message, the middle node compares the maximum available bandwidth from the local node to the inyoite interface link of the destination node with that in the requesting message to replace the maximum available bandwidth value or directly forwards the maximum available bandwidth value to a next node; and after the destination node receives the path detection requesting message, the destination node constructs a path detection reversion message, carries the maximum available bandwidth in the requesting message, and sends the reversion message to the source node or the access node. The invention perceives the path bandwidth in advance, controls the flow bandwidth at the source node or the access node, and saves the bandwidth resource of the middle node, thereby making the flow on the network link reach the optimum rate of utilization and throughput and improving the availability and the safety of the network.

The invention provides a high-accuracy vertical axis inclination angle measurement system and a calibration method thereof. The high-accuracy vertical axis inclination angle measurement system comprises a vehicle-mounted platform, a photoelectric theodolite, a television auto-collimator and a plane reflecting device, wherein the photoelectric theodolite is fixedly arranged on the vehicle-mounted platform and carries a first imaging device; the television auto-collimator carries a second imaging device; the plane reflecting device is positioned right below the television auto-collimator and is fixed relative to the ground; the television auto-collimator is vertically fixed below a base of the photoelectric theodolite. The calibration method comprises the following steps: coarsely leveling the photoelectric theodolite; starting the television auto-collimator; arranging a collimator which is horizontally placed at the same horizontal position of the photoelectric theodolite; inclining the vehicle-mounted platform; rotating an azimuth axis of the photoelectric theodolite; and re-inclining the vehicle-mounted platform. By virtue of the high-accuracy vertical axis inclination angle measurement system and the calibration method thereof, the system structure is simplified, and the efficiency of vertical axis inclination angle measurement is improved.

The invention discloses an implementation method for controlling a matrix so as to control the quick and smart windowing of a display. The system of the method comprises a communication connection module, a matrix control software module, a splicing treatment module and a display displaying module. The matrix control software module comprises a preset layout module, a self-defined layout module, a mode storage and selection module and an image source setting module. The preset layout module is provided with a distinct and discernible preview, wherein the rapid selection and switching is enabled. The signal source adding mode of a window can be realized quickly through clicking on an image source and then clicking on the window. According to the technical scheme of the invention, several common windowing layouts are preset, and a selected layout can be rapidly unfolded. The preview of the layout can be quickly selected and switched. Therefore, the one-key type integral window layout of the display is realized. The self-defined layout module provides multiple window moving modes and window resizing modes.

The invention discloses an intelligent truss type reel sprinkler. The sprinkler comprises a rack, a reel, a PE pipe, a reel drive gearbox, a truss type sprinkler wagon and an electric control device;a swinging truss of the truss type sprinkler wagon comprises a middle truss body, a left truss body and a right truss body, wherein the left truss body and the right truss body are symmetrically disposed on the left and right sides of the middle truss body; the left truss body and the right truss body both include a swinging truss basic node and multiple retractable truss nodes, wherein each swinging truss basic node can be controlled to automatically swing by a basic node swinging and rotation drive mechanism, and the retractable truss nodes can be controlled to extend or retract automatically by a driving gear rolling drive mechanism and a lower water pipe end lifting control mechanism and retractably inserted in sequence. The intelligent truss type reel sprinkler can achieve reduction of the overall weight of the truss under the premise of ensuring the overall strength of the truss, thereby reducing power consumption, achieving rapid and automatic unfolding and storage of the truss,and thus realizing rapid transfer operation. The sprinkler can be intelligently controlled according to sprinkler irrigation needs of crops and is especially applicable to sprinkler irrigation operation of large farms.

The invention relates to an unmanned aerial vehicle crash protection system and a control method and belongs to the technical field of unmanned aerial vehicles. The system is specifically characterized in that an inertial sensor is installed on a body of the unmanned aerial vehicle; a crash and slow descent device is arranged on the top of the body; and a crash protection controller as well as anemergency power supply and a parachute are arranged in a shell of the crash and slow descent device. When weightlessness of the unmanned aerial vehicle is detected, the parachute is rapidly inflated by a high-pressure helium bottle, so that the parachute can be rapidly unfolded to form. Moreover, by utilizing the characteristic of low helium density, crashing impact force of the unmanned aerial vehicle can be greatly buffered, so that the unmanned aerial vehicle can smoothly land, and damage of the unmanned aerial vehicle can be effectively avoided.

The invention provides an offshore nuclear emergency radiation monitor based on a cylindrical buoy. The offshore nuclear emergency radiation monitor comprises a radiation monitoring assembly, the buoy, a storage battery pack and an anchor system. The radiation monitoring assembly is composed of a radiometer and an energy spectrum probe. The buoy is of a cylindrical structure and is composed of a hood, an instrument bin and a battery bin, wherein the battery bin is located below the instrument bin. The radiometer is installed at the upper end of the instrument bin, the energy spectrum probe is installed at the lower end of the instrument bin, the storage battery pack is installed in the battery bin, and the anchor system is connected with the bottom end of the buoy. According to the offshore nuclear emergency radiation monitor, the cylindrical buoy serves as a carrying platform of the radiometer, through the design of the buoy, measurement according to the standard method which is nationally regulated can be achieved, and the accuracy of measuring data is improved.

The invention provides a folding full-motion horizontal tail mechanism, and belongs to the technical field of folding-wing unmanned aircrafts. The mechanism comprises a left horizontal tail, a left turntable, a horizontal tail connection body, a right turntable, a right horizontal tail, torsional spring covers, a pressing screw, torsional springs, horizontal tail rotating shafts and a locking mechanism, wherein two rotating shaft mounting holes which are symmetric in the transverse direction are formed in the horizontal tail connection body; an included angle between the axis of each mounting hole and the horizontal plane is 55.5 degrees; after the horizontal tail connection body is fixedly connected with the left turntable and the right turntable, the rear end face of the horizontal tail connection body and the rear end face of a machine body form a 45-degree angle; rotating shaft mounting sleeves matched with the horizontal tail rotating shafts are arranged on the left horizontal tail and the right horizontal tail; included angles between the central axis of each rotating shaft mounting sleeve and the wing plane as well as between the central axis of each rotating shaft mounting sleeve and the wing chord direction are 45 degrees; the torsional springs are arranged on the horizontal tail rotating shafts; and the locking mechanism makes the horizontal tail rotating shafts rotate by 105 degrees and locks the horizontal tail rotating shafts, so that the horizontal tails rotate to a position vertical to the side face of the machine body from the position close to the side face of the machine body. The mechanism is connected reliably, has a simple structure, and is unfolded quickly and operated easily.

A portable, foldable, and machine-washable diaper changing pad which provides a sanitary area to change a baby or toddler in public restrooms is a single rectangular pad composed of several layers. The pad is sized so that, when folded, it is approximately the size of a small to medium-sized handbag. When unfolded, the top layer upon which the child rests is made of an impermeable material (e.g. vinyl) that is easy to clean. One end of the pad has an internal pocket which is sized to hold clean diapers, baby wipes, or other related accessories. A loop handle is attached to one side of the pad which allows the folded pad to be hung from a stroller, handbag, or other suitable location. The portable diaper changing pad is designed for one-handed use; that is, by a person who is assumed to be holding a child with the other hand.

A time and attendance device having an integrated USB hub and microcontroller is provided. An automated voice feature is provided that is controlled in response to user parameters. Also provided are a single target area having attention-getting illumination, proximity reader positioning, and transaction status indicators.