843results 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 fire normally.

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.

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 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 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 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 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 panel capable of being rapidly folded and unfolded. The panel comprises a plurality of unit plates which are connected with each other and can fold relative to each other, so the panel can be folded and unfolded between a folded state and an unfolded state in a Miura pliage method. The panel is characterized in that actuating devices are arranged among the unit plates. The actuating devices are elastic devices or magnetic devices. The actuating devices can apply elastic forces or magnetic forces on adjacent unit plates, so that the unit plates are unfolded or folded relative to each other. Thus, the panel can be automatically unfolded to the unfolded state or folded to the folded state in the Miura pliage method.

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.

The invention provides a topic group business realization method based on instant messaging. The method is realized in the way that a plurality of IM (Instant Messaging) groups for later use are created in an instant messaging service; the instant messaging service provides an IM group control interface; for a topic requested by an instant messaging subscriber, the IM group control interface is invoked to take the IM groups for later use as the topic group named by the topic; and members of the topic group are subjected to dynamic dispatching, so as to provide group messaging service on the topic for the instant messaging subscriber. The method provided by the invention avoids limitation of the IM group function in a conventional instant messaging service on topic discussion and information inquiry application more comprehensively, well satisfies the topic discussion or information inquiry service requirement of the instant messaging subscribers, and facilitates promoting the service experience feeling of the instant messaging subscribers, enhancing the market competitiveness of instant messaging service products and enlarging the audience subscriber group of the instant messaging service.