65results about How to "Meet different practical needs" patented technology

The invention discloses WLAN (Wireless Local Area Network) quality monitoring system and method and application, wherein the method comprises the following steps of: issuing a WLAN quality testing task to a monitoring terminal by using an operation maintenance center through a mobile communication network; monitoring the WLAN quality of a local WLAN access point by using the monitoring terminal according to the WLAN quality testing task, and then reporting a monitoring result to the operation maintenance center by using an WLAN; and carrying out statistic and trend analysis to the received WLAN quality monitoring result by using the operation maintenance center to evaluate the network quality of the local WLAN access point of the monitoring terminal. The system overcomes the subjective defect existing in an artificial route measuring method and greatly saves the monitoring cost.

The invention provides an accumulative roll-bonding preparation method of a nanometer lamellar phase enhanced TiNi alloy composite plate. The method comprises the following steps: (1) the acid washing and the cleaning are performed for the surface of a TiNi shape memory alloy foil; (2) the mechanical polishing and the surface cleaning are performed for an enhanced pure metal foil; (3) a pretreated TiNi alloy foil and the enhanced pure metal foil are alternately laminated; and the outermost layer is guaranteed to be the TiNi alloy foil; (4) the TiNi alloy foil and the enhanced pure metal foil are laminated in a stainless steel or pure Ti package for vacuumizing; (5) n passes of accumulative roll-bonding are performed at a temperature of 400-800 DEG C; and (6) the vacuum annealing treatment is performed in a temperature range of 300-600 DEG C. The method has such advantages as simple process, convenience for control, low equipment requirements and easy realization of batch production. The nanometer lamellar phase enhanced TiNi alloy composite plate, prepared by the method, can be widely applied to such places as medical instruments, damping components and large-strain-capacity drivers.

The invention discloses an automatic monitoring system for a WCDMA network, comprising an operation maintenance center and a monitoring terminal, wherein the operation maintenance center is connected with the monitoring terminal through a WCDMA mobile communication network signal. The invention also discloses an automatic monitoring method for the WCDMA network which comprises the following steps: a, the operation maintenance center transmits a testing task to the monitoring terminal through a mobile communication network; b, the monitoring terminal monitors the current network signal quality according to the testing task and reports monitored network signal quality parameters and a monitored testing result to the operation maintenance center through the WCDMA mobile communication network; and c, the operation maintenance center carries out statistic and trend analysis to evaluate the network signal quality of a position at which the monitoring terminal is located. The invention has continuous network performance evaluation, wide covering area range, no need of personnel evaluation as well as very high practical and generalized value, and greatly saves manpower and material resources.

The invention discloses a driving device with power-assisted travelling and stairs climbing functions. A travelling mechanism and a climbing frame are combined together to form a novel planet gear transmission principle; in travelling on a flat road, a driving portion drives a sun gear to positively rotate, two travelling wheels contact a ground at the same time, the sun gear drives a planet gearto reversely auto-rotate around a planet shaft, inner teeth and outer teeth of a tooth ring and the planet gear rotate reversely in sync, and a transmission gear drives the travelling wheels to positively rotate, thus achieving travelling rotation; in stairs climbing, the sun gear positively rotates, the travelling wheels counter stairs and are blocked, the transmission gear and the inner and outer teeth of the tooth ring stop rotating, the sun gear drives the planet gear to revolve positively along the inner teeth, and the planet shaft drives the climbing frame to positively rotate, thus achieving obstacle surmounting and climbing. The technical problem is solved that an existing star gear structure hardly climbs stairs since the climbing frame is powered to reversely operate when the travelling wheels are unable to operate; the driving device has the advantages of simple structure and good safety and reliability of use.

The invention discloses a battle station first-aid kit, comprising a bag body and a cover covering the opening of the bag body. The bag body is composed of a front piece, a back piece and two side pieces which are divided by side boundary, and comprises multiple partition plates; first connecting parts are respectively arranged at two opposite ends of each partition plate; a plurality of second connecting parts are arranged on the inner surfaces of the two side pieces along the width of the bag body; the first connecting parts and the second connecting parts are connected through detachable connectors, and the detachable connectors are connected with at least one of the first connecting parts and the second connecting parts detachably; two ends of at least one partition plate are connectedto the two side pieces through the detachable connectors so that the inside of the bag body is divided into multiple containing spaces. Since the number and the position of the partition plates between the two side pieces of the bag body can be arranged freely, the number, the position and the size of the containing spaces in the bag body can be adjusted freely to meet different actual requirements.

The invention provides a preparation method of gel electrolyte and the gel electrolyte prepared with the preparation method, and relates to the field of lithium ion batteries. The preparation method of the gel electrolyte comprises the following steps: carrying out free radical polymerization to obtain PS-PEO-PS (polystyrene-homopolyer-polystyrene); blending the PS-PEO-PS with a framework material to obtain a blended porous membrane; carrying out Friedel-Crafts reaction on the blended porous membrane in the presence of a catalyst and a crosslinking agent, so as to obtain a crosslinked porous membrane; enabling the crosslinked porous membrane to absorb electrolyte, and preparing the gel electrolyte. The preparation method is a flexible and efficient crosslinking method, and the crosslinking degree can be conveniently adjusted and controlled through a reaction substrate and reaction conditions, so as to meet different actual requirements.

The invention discloses a method for producing a superconducting single crystal thin film. The method comprises the following steps: adding an initial laminated structure into a reaction solution in areaction tank, wherein the initial laminated structure includes at least one substrate and a seed crystal layer attached to the at least one substrate; adjusting the temperature of the reaction solution to a predetermined temperature, and keeping the predetermined temperature for a predetermined time to form a product laminated structure, wherein the product laminated structure comprises the at least one substrate, the seed crystal layer and at least one superconducting single crystal thin film; taking out the product laminated structure from the reaction solution, and flushing and drying theproduct laminated structure; and separating the at least one superconducting single crystal thin film from the at least one substrate and the seed crystal layer, wherein the reaction solution includes a solvent and an inorganic precursor, and the inorganic precursor provides active ions for the component of the superconducting single crystal thin film. The method uses the inorganic precursor to provide the active ions and adopts the seed crystal layer as a growth template in order to form the large-size and high-quality superconducting single crystal thin film.

The intelligent terminal for loading added-value business in IPTV system comprises: a browser, a loading agent entity to interact with the added-value business door through the browser and send business startup message to following part when it starts successfully, and a virtual machine. Wherein, the added-value business door authorizes the added-value business message by a authorization server. This invention makes full use of IPTV resource to improve business capacity and realize the loading for added-value business.

The invention discloses a multi-axis manned aircraft. The multi-axis manned aircraft comprises a rack, a power device, a transmission device, rotor wing devices, a pitch varying device, a seat and a control device, wherein the power device, the transmission device, the rotor wing devices, the pitch varying device, the seat and the control device are arranged on the rack. The transmission device is connected with the power device and the rotor wing devices. Each rotor wing device comprises a rotor wing head and a propeller. The rotor wing heads are symmetrically installed on the rack. The propellers are installed on the rotor wing heads. The number of the rotor wing heads and the propellers is at least three sets. The pitch varying device is connected with the rotor wing devices. The seat and an operating device are correspondingly arranged in the middle of a rack structure. The power device is connected with the rotor wing devices. The control device is connected with the power device, the rotor wing devices and the operating device. Operation is easier and more convenient in the flying process. An operator can easily handle various flight states. The multi-axis manned aircraft is simple in structure and achieves complete functions.

The invention relates to a method and device for text clustering and an electronic device. The method for text clustering comprises the steps of combining a plurality of original document sets of different themes into a document union set; arranging documents in the document union set in an ascending order, and obtaining an ascending order document union set; sequentially calculating similarity of the first document in the ascending order document union set and all document after the first document; if the similarity is larger than or equal to a first threshold, assigning the document and the first document to a class; if the similarity is smaller than the first threshold, marking the document as a non-classified document; sequentially executing similarity calculation and classification of the first document in the ascending order document union set and all non-classified documents after the first document. According to the method and device for text clustering and an electronic device, operations of word segmentation and feature extraction and the like are avoided, steps are simple, the accuracy rate is high, and the method and device for text clustering and the electronic device have language irrelevance and suitable for text clustering of various languages. Besides, the clustering speed and precision can be flexibly adjusted to meet different actual requirements.

The invention discloses an intelligent trolley for carrying warehouse pipe materials. The intelligent trolley comprises a walking platform, a horizontal moving device, a vertical lifting device and anintelligent material storage box; a concave groove and a through groove are formed in the two sides of the long side of the walking platform; a pair of T-shaped sliding rails is arranged on the uppersurface of the walking platform; the horizontal moving device is located in the concave groove; the vertical lifting device is connected to the T-shaped sliding rails in a sliding mode; and the intelligent material storage box is connected to the vertical lifting device in a rotating mode. The intelligent trolley has the advantages that the intelligent material storage box utilizes the structurecharacteristics of the pipe materials, a triangular turnover mechanism and a secondary turnover mechanism are arranged so that rapid storage of the pipe materials can be realized, in addition, the storage quantity of the materials can be accurately obtained through the cooperation of a pressure sensor and a distance sensor, the intelligent trolley can adapt to pipes with different diameters, single horizontal moving and single vertical lifting of the intelligent material storage box can be realized, and the intelligent material storage box can be lifted at the same time in the horizontal moving process.

The invention relates to a centrifugal-type modularized volute composed by a volute body and a volute tongue module. The volute body comprises a volute plate, a front lateral plate and a back lateral plate, wherein the front lateral plate and the back lateral plate are connected through the volute plate. The centrifugal-type modularized volute is characterized in that the volute tongue module is installed on the volute tongue installation surface of the volute plate and is connected with the volute plate in a detachable mode. Due to the adoption of the modularized volute, the centrifugal-type modularized volute breaks the condition that a traditional normal volute is fixed in structure and single in performance feature and the modularized design and assembly of the volute are achieved. By assembling various volute tongue modules on the volute body, compared with the normal volute with a traditional structure, centrifugal-type modularized volute can improve the entire efficiency of a device more flexibly or reduce the noise, so that the assembly of a centrifugal-type fluid device can be more flexible and pointed. Compared with the prior art, the device of the same model has different performance features such as low noise or high efficiency, so that different practical requirements of users can be met.

The invention discloses a TD-LTE (Time Division Long Term Evolution) network quality monitoring system, comprising an operation maintenance center and a monitoring terminal. The operation maintenance center and the monitoring terminal are in signal connection through a TD-LTE mobile communication network. The system performs the following steps that the operation maintenance center issues a test task to a fixed monitoring terminal through the mobile communication network or a mobile monitoring terminal automatically obtains the test task; the monitoring terminal monitors current network signal quality according to the test task and reports monitored network signal quality parameters and test results to the operation maintenance center through the TD-LTE mobile communication network; and the operation maintenance center carries out statistics and trend analysis, thereby evaluating the network signal quality of a location where the monitoring terminal is at.

The invention relates to the field of medical instrument, and particularly a matrix chest elastic electrocardio electrode band, the electrode band includes a an elastic cord (1), an electrode (2), a lead wire (3), a lead wire plug (4), and a nylon cingulum (5). The electrode (1) is fixedly connected with the elastic cord (1), and is arranged into an electrode matrix according to a fixed row and column spacing; all the electrode conductive wires converge into the lead wire (3) and is connected with the lead wire plug (4); and the nylon cingulum (5) is fixed on the two end surfaces of the elastic cord (1). The electrode band can alter the width of the elastic cord and the size of the electrode and the spacing between the row and the column according to requirements, and form the electrode bands in the electrode amount of from at least ten pieces to several hundred pieces, and satisfies the demands by different foundation medicine and clinical studies, and can also use two and above pieces of electrode bands and make the number of electrodes to increase by fold.

The invention discloses WLAN (Wireless Local Area Network) quality monitoring system and method and application, wherein the method comprises the following steps of: issuing a WLAN quality testing task to a monitoring terminal by using an operation maintenance center through a mobile communication network; monitoring the WLAN quality of a local WLAN access point by using the monitoring terminal according to the WLAN quality testing task, and then reporting a monitoring result to the operation maintenance center by using an WLAN; and carrying out statistic and trend analysis to the received WLAN quality monitoring result by using the operation maintenance center to evaluate the network quality of the local WLAN access point of the monitoring terminal. The system overcomes the subjective defect existing in an artificial route measuring method and greatly saves the monitoring cost.

The invention relates to a method and a corresponding device for melting mainboard and waste hardware, which is characterized in that: metallic parts in mainboards, computer interface equipments, cables and waste hardware are combusted and melted primarily in a main furnace body with low temperature, enabling the separation of combustible nonmetal and noncombustible nonmetal; toxic gas produced incombusting plastic is guided to the other combustion chamber for re-combustion, and the toxic gas is subject to at least on time higher temperature to reduce the gas concentration; the gas from the combustion chamber is then guided to at least one water sprinkling tower for temperature reducing and acid-base neutralization, and the acidity in the residual gas is neutralized; the gas from the water sprinkling tower enters into a cyclone dust collector, a heat exchanger and a bag type dust collector successively for accelerating the cooling and collecting the floating particle produced in the cooling process; the gas is taken out by an exhaust fan, and the purpose of secondary tempering prevention, rapid cooling and gas emission is realized; finally clean gas is emitted.

The invention discloses an elastic coupling device for connecting the guide arms of a railway car bogie, which comprises a first connection seat in dead connection with one of guide arms. The first connection seat is provided with a first connection hole which is arranged longitudinally and horizontally along the railway car, and an elastic sleeve is arranged in the connection hole. The elastic coupling device further comprises a connection pin in dead connection with the other guide arm, wherein the expansion end of the connection pin is inserted into the elastic sleeve, and the elastic sleeve has an inner diameter slightly smaller than the diameter of the expansion end of the connection pin and an outer diameter slightly larger than the inner diameter of the first connection hole when the elastic sleeve is in a free state. The elastic coupling device of the invention can not only avoid direct friction between metal structures of the elastic coupling device to reduce abrasion but also ensure that the guide arms do not bear the braking force of the railway car. Additionally, the flexural rigidity between the two guide arms can be adjusted according to actual requirements to meet various actual requirements.

The invention relates to the technical field of smart home. The invention particularly relates to a direct-drive rotary telescopic electric dining table which comprises table legs, desktop movable frames are arranged at the tops of the desk legs; power mechanisms are arranged in the table legs; the power mechanisms comprise cam driving assemblies and motor assemblies in driving connection with thecam driving assemblies. The motor assemblies comprise driving motors, gear boxes are arranged between the driving motors and the cam driving assemblies; the cam driving assemblies comprise cam sleeves; spiral grooves are formed in the outer walls of the cam sleeves; guide sleeves are arranged at the tops of the cam sleeves, inclined guide grooves are formed in the outer side walls of the guide sleeves, transmission parts and lifting parts connected with the transmission parts are arranged in the cam sleeves, the transmission parts are provided with cam blocks slidably connected with the spiral grooves, the lifting parts are provided with guide rods slidably connected with the inclined guide grooves, and the cam blocks are connected with the tabletop movable frames. The operation stabilityis good, the automation degree is high, the size of the tabletop is flexibly adjusted and changed, and different actual use requirements are met.

The invention discloses a multi-axis unmanned aerial vehicle. The multi-axis unmanned aerial vehicle comprises a rack, a power generation device, a power transmission device, a variable-pitch device, a control device and multiple rotor devices, wherein the power generation device, the power transmission device, the variable-pitch device, the control device and the multiple rotor devices are arranged on the rack; the power generation device is connected with the power transmission device and used for supplying flight power; the power transmission device comprises a transmission belt, a transmission shaft and gear boxes, the transmission belt, the transmission shaft and the gear boxes are sequentially connected, the transmission belt is connected with the power generation device, and the gear boxes are connected with the rotor devices; each rotor device comprises a rotor head, a propeller hub and screw propellers, the rotor head, the propeller hub and the screw propellers are sequentially connected; the rotor heads and the gear boxes are connected; the variable-pitch device comprises a variable-pitch rod and a steering engine, the variable-pitch rod is connected with the rotor heads, and the steering engine is connected with the gear boxes; the control device is connected with the power generation device, the power transmission device, the rotor devices and the variable-pitch device respectively.

The invention discloses a light emitting diode (LED) remote flood light. The light consists of a plurality of groups of LED projection devices, wherein each of groups of LED projection devices comprises an LED light source and a light-out device, the light-out device is located at the front end of the LED light source and comprises a tapered light guide cylinder, a small convex lens and a large convex lens, the small convex lens and the large convex lens are located at two ends of the light guide cylinder, and the small convex lens is close to the LED light source. Each of groups of LED projection devices is provided with projection centers which are arranged near and far, each of groups of LED projection devices is collected to the center focus of the large convex lens through the small convex lens and the light guide cylinder to the greatest extent, the light is projected, the remote projection of the light is achieved, the range is more than 300 meters, and the light has the advantages of being electricity-saving, long in service life and high in color rendering index. The device can be applied to projection lighting and high-rod light lighting of stations, wharfs, mines and yards.

The invention discloses a flexible high-thermal-conductivity composite phase change film and a preparation method thereof. The flexible high-thermal-conductivity composite phase change film comprises the following components in parts by weight: 5-20 parts of paraffin, 1-20 parts of a phase change temperature regulator, 1-20 parts of a thermoplastic elastomer, 50-600 parts of a thermal conductive filler, 0.5-10 parts of a coupling agent and 0.01-1 part of an antioxidant. The phase-change temperature of the phase-change film is adjusted by changing the ratio of the paraffin to the phase-change temperature regulator, so that different actual requirements are met; the heat-conducting filler is subjected to surface treatment by a coupling agent, so that cross-linking and hydrogen-bond interaction can be generated between the heat-conducting filler and polymer matrix macromolecules, the compatibility and interface bonding force of the heat-conducting filler are enhanced, and the interface thermal resistance can be further reduced; the thermoplastic elastomer has a flexible cross-linked network structure, so that the phase-change film can be endowed with good flexible performance, and the three-dimensional network structure can bind the phase-change component to prevent leakage; the method is simple in process and low in cost, and can be applied to the fields of miniaturized and compact electronic products and the like.

The invention relates to the field of medical apparatus and instruments, in particular to a matrix chest electrocardio electrode fixing device which comprises a plurality of electrodes (1), an elastic band (2), an electrode fixing plate (3), wiring terminals (4), rivets (5) and a protective layer (6). The electrodes (1) are fastened to one ends of the rivets (5) in an embedded mode, and the other ends of the rivets (5) sequentially penetrate through the elastic band (2), the electrode fixing plate (3) and the wiring terminals (4), then the rivets (5) are tightly riveted, and the parts are fixedly connected. The electrodes are connected to form a plurality of electrode sets which are arranged on the elastic band (2) to form the matrix electrodes. Part riveting faces of an electrode band are covered with the protective layer (6). By adoption of the matrix chest electrocardio electrode fixing device, only the distances of the electrodes on the electrode fixing plate and the distances of the electrode sets on the elastic band need to be changed to form at least tens of electrodes even up to hundreds of electrodes on one electrode band quite conveniently, and different needs are met.

The invention provides a modularized front panel of a power distribution plug-in box. The modularized front panel comprises a front panel; a power distribution coupler is arranged on the front panel;a miniature circuit breaker is arranged below the power distribution coupler; the miniature circuit breaker is mounted on the front panel through a circuit breaker mounting assembly; a terminal driving mechanism is arranged on one side of the miniature circuit breaker; a multifunctional instrument is arranged above the terminal driving mechanism and is used for detecting electric and environmentalparameters; the circuit breaker mounting assembly comprises a clamping grooved rail, two mounting fixing plates and a circuit breaker protection cover; the mounting fixed plates are mounted on the front panel through pressing bars and bolts; the sizes of the pressing bars are matched with the sizes of the mounting fixed plates; and two wedge-shaped snap joints are clamped on one side of the miniature circuit breaker. According to the modularized front panel, the packaged mounting and dismounting of the miniature circuit breaker and the power distribution coupler can be realized, and the modularized layout is more reasonable.

The invention discloses an aero seat precision part surface treatment method, relates to the technical field of part surface treatment and aims at solving the problem that the environment is noisy due to high noise during existing part surface treatment and polishing. The aero seat precision part surface treatment method comprises the following steps of step 1, firstly, putting an aero seat precision part in alkali liquor; step 2, putting the aero seat precision part subjected to oil removal in hot water for further cleaning; step 3, putting the cleaned aero seat precision part in hydrochloric acid rust removal liquid; step 4, putting the aero seat precision part subjected to rust removal in cold water; step 5, putting the cleaned aero seat precision part in a sodium salt solution; step 6, putting the aero seat precision part subjected to ultrasonic cleaning in cold water; step 7, conducting polishing treatment on the cleaned aero seat precision part; and step 8, putting the polished aero seat precision part in an electrolyte to serve as an anode, and conducting electrolysis under the specific conditions and under the action of an external current.

The invention discloses a multifunctional medical device based on 5G equipment, comprising a device body, wherein a shaking-up bin is formed in the position, close to one side, of the outer surface ofthe upper end of the device body; a shaking-up box is arranged in the shaking-up bin, a containing groove is formed in the shaking-up box, reset springs are welded to the outer surfaces of the two sides of the shaking-up box, and connecting columns are welded to the outer surface of the front end and the outer surface of the rear end of the shaking-up box; a main control box and a medicine storage box are fixedly installed at the position, close to one side, of the outer surface of the front end of the device body, the medicine storage box is arranged below the main control box, and a touch screen is embedded in the outer surface of the front end of the main control box. A supporting frame is fixedly installed on the outer surface of the upper end of the device body, a medicine mixing pipe is fixedly installed at one end of the supporting frame, and a gas conveying box is arranged on one side of the supporting frame. The multifunctional medical device has the beneficial effects that the multifunctional nursing bed has more functions, different use requirements of medical staff can be met, and the safety is higher.

The invention discloses an air conditioner air supply device of a fresh air system and a using method of the air conditioner air supply device, and relates to the technical field of fresh air equipment. The air conditioner air supply device comprises a hollow air conditioner cabinet shell, an air detection device, a human body detection device and a fresh air machine; the air conditioner cabinet shell is provided with an air supply outlet; the air supply outlet communicates with the fresh air machine; and an air guide device is arranged on the air supply outlet. A transverse air guide plate is driven to rotate, by driving a motor; a longitudinal air guide plate is driven to rotate, by driving a hydraulic cylinder; multi-direction and multi-angle air supply can be implemented when fresh air passes through the air supply outlet, which meets different requirements of users; indoor dirty air is exhausted outdoors in time by opening a first air valve and an exhaust fan, and closing a second air valve; a human body number, human body positions and human body temperatures are detected by the human body detection device; the hydraulic cylinder and the motor are driven, and thus multi-direction and multi-angle air supply are implemented, an intelligent air supply standard is met, the use comfort of a user is improved, and different actual requirements are met.

The invention discloses a multi-way valve and relates to the technical field of pipeline valves. The multi-way valve comprises a valve body and a valve core, and further comprises a valve rod, wherein a valve body cavity is formed in the valve body; a plurality of valve body channels are circumferentially formed in the valve body; the valve body channels are communicated with the valve body cavity; the valve core is mounted in the valve body cavity in a rotating manner; a plurality of valve core channels are circumferentially formed in the valve core; an outlet channel is formed in the bottom of the valve core; the valve core channels are communicated with the outlet channel; the valve core channels are communicated with the valve body channels to form a plurality of inlet channels; the inlet channels are the same in opening degree; one end of the valve rod is connected with the top end of the valve core; the other end of the valve rod is connected with a driving device; the driving device drives the valve core to rotate. The valve core channels and the valve body channels are optionally mounted in relative positions, so as to achieve that the valve core channels and the valve body channels are communicated to form the inlet channels; the multi-way valve has a plurality of inlet channels, can meet different actual demands, and is easy to operate, high in control accuracy and simple in structure.

The invention provides a plugging box for power distribution of a bus duct. A box body is encircled by a front panel, a rear panel, and a side panel. A connecting trough plate is fixedly arranged on the side panel. A power distribution coupler is arranged on the front panel; a miniature circuit breaker is arranged below the power distribution coupler; a terminal driving mechanism is arranged at one side of the miniature circuit breaker and is fixed on the inner side wall surface of the side panel; and a multi-function instrument is arranged above the terminal driving mechanism. The box body isconnected with a bus duct by a rotating blocking mechanism. According to the invention, plugging boxes with different amperages and the corresponding interface number can be matched based on the actual cabinet power requirement; the miniature circuit breaker and coupler socket numbers can be increased; power feeding out with different specifications can be realized; and power distribution demandswith different specifications are satisfied. Moreover, the plugging box has a compact structure; the space of the box body is divided reasonably to realize the high expansibility; different module mounting needs are met; and the post-stage mounting and maintenance work can be carried out conveniently.

The invention discloses a three-phase three-dimensional lamination iron core of a three-phase reactor, and belongs to the technical field of reactors. The three-phase three-dimensional lamination ironcore comprises an upper yoke, a lower yoke, three core posts and a fixed mechanism, wherein the core post is arranged between the upper yoke and the lower yoke, the fixed mechanism is used for fixingthe yokes and the core post, the upper yoke and the lower yoke both are triangular three-phase yokes, each three-phase yoke comprises three single-phase yokes, the three single-phase yokes are spliced and assembled to form an equilateral triangle in a paired way, the three core posts are correspondingly connected with three corners of the three-phase yoke, each core post comprises a center-penetrating screw rod, an iron cake and an air gap pad, the iron cake is arranged on the center-penetrating screw rod in a penetrating way, and the iron cakes and the air gap pads are alternatively arranged. By the three-phase three-dimensional lamination iron core, the problem that reactance values of the three-phase reactors are unequal caused by unequal distances among the core posts in the iron coreof a traditional three-phase reactor is solved, and the problems of magnetic flux loss and local overheat of the three-phase reactor caused by the iron cake laminated according to a traditional lamination mode are solved.

The invention discloses a combined storage rack for logistics supply and belongs to the field of storage racks. The combined storage rack for logistics supply comprises a main body, a movable platen and a top rack. A fixed part is arranged on the edge of the main body, a first fixed pulley is arranged in the fixed part in a penetrating manner, a second fixed pulley is arranged below the first fixed pulley, a pull rope is connected to the outer side of the second fixed pulley, a first movable block is connected to the outer side of the pull rope, a second movable block is arranged below the first movable block, a coiling disc is connected to the end part of the pull rope, a connecting seat is arranged below the second movable block, and a chute is formed in the edge of the connecting seat.According to the combined storage rack, the height of the movable rack inside can be adjusted flexibly as needed, so that it is convenient to take and place cargoes. The movable platen inside can be retracted, so that the using space in the equipment can be adjusted flexibly. Matched with the top rack detachably mounted on the top, various different practical demands can be met.