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Super-power five-cylinder plunger pump
PendingCN109869294ALess equipmentSave on-site work spaceGearboxesPositive displacement pump componentsElectric driveCentre of rotation
The invention discloses a super-power five-cylinder plunger pump. The super-power five-cylinder plunger pump comprises a power end assembly, a fluid-power end assembly and a reduction box assembly; the power end assembly adopting a sectional type structure design includes a crankshaft box body, a crosshead box body and a space-stop rack, one end of the crosshead box body is connected with the crankshaft box body, and the other end of the crosshead box body is connected with the space-stop rack; the fluid-power end assembly is arranged at one end of the space-stop rack, and the fluid-power endassembly passes through the space-stop rack and the crosshead box body in sequence and is connected with the crankshaft box body through bolts; and the reduction box assembly is connected with the crankshaft box body, a crankshaft in the crankshaft box body is forging alloy steel, the crankshaft includes six shaft necks and five crank threw, each crank throw is arranged between two adjacent shaftnecks, and the distance between the crank threw and the rotating center of the crankshaft is 110mm to 160 mm. The super-power five-cylinder plunger pump has the beneficial effects that the rated inputpower of the super-power five-cylinder plunger pump is 5000 hp, so that the problem that high-power motors cannot be matched with the plunger pumps of corresponding specifications in electric drive fracturing is solved, and the contradictions that the conditions in oil and gas well fields are limited and the matching of fracturing equipment is much is further solved at the same time.
Owner:YANTAI JEREH PETROLEUM EQUIP & TECH
High voltage electricity transmission line monitoring method based on wireless communication and optical communication
InactiveCN101483567AEasy to implementFlexible deploymentCircuit arrangementsNetwork topologiesEngineeringHigh pressure
The invention relates to a high-tension transmission line monitoring method on the basis of wireless communication and photo-communication for overcoming the faults of limited functions, small band width, high running cost and low reliability in the prior art. The method comprises the following steps: 1. setting wireless monitoring nodes on the transmission line towers; selecting a particular tower along the line at an interval of 20-30 kilometers as a convergent point tower and simultaneously installing wireless monitoring nodes and photo-communication nodes on the convergent point tower and transforming plants on the two ends of the line; 2. the wireless monitoring nodes acquiring monitoring data, the wireless monitoring nodes of the towers in the area where the convergent point tower locates transmit the monitoring data to the photo-communication nodes on the convergent point tower by using a multi-hop forwarding method, each photo-communication node transmits the monitoring data to a monitoring center by using a multi-hop forwarding method. According to the invention, information monitored by thousands of sensors installed on towers of each level can be transmitted back to a junction centre for realizing the real-time monitoring of the whole high-tension transmission line.
Owner:NORTHWEST CHINA GRID
Automotive anti-collision radar system with two receiving antennas and operating method
ActiveCN103913742AProcessing speedImprove multi-target judgment abilityRadio wave reradiation/reflectionEcho signalData processing
Owner:GUILIN UNIV OF ELECTRONIC TECH
Intelligent software interface dynamic generation method facing network
ActiveCN101699393AReduce workloadImprove development efficiencySpecific program execution arrangementsSoftware engineeringDisplay device
The invention discloses an intelligent software interface dynamic generation method facing a network, which comprises the following steps: standardization and development of display services of an interface; description of display demands of the interface; standardization and development of application background treatment services; and dynamic generation of the display interface. When the display interface needs to be adjusted, codes do not need to be modified, nor does a display software need to be recompiled, and a new display interface can be dynamically generated by re-defining the new interface description; when in the normal display process, the display services of the interface which are in line with the method can be automatically dynamically downloaded from various service nodeson the network according to the new demands of the interface display of a user, the new interface can be rapidly integrated by intelligent automatic splicing and combination without simultaneously starting a plurality of browser windows; when in the browsing process, the dynamic adjustment of the display interface can be supported according to the requirements of the user on the display style without writing codes and recompiling; and the method can simultaneously reduce the workload of a developer, improve the development efficiency and simplify the later maintenance.
Owner:THE 28TH RES INST OF CHINA ELECTRONICS TECH GROUP CORP
Thunder-lightening induced solid-phase arc-extinguishing lightning arrester
ActiveCN106451077AReliable rotationReliable stopSpark gap detailsDischarge by conduction/dissipationEngineeringMetal
The invention discloses a thunder-lightening induced solid-phase arc-extinguishing lightning arrester. The thunder-lightening induced solid-phase arc-extinguishing lightning arrester mainly consists of a lightning arrester shell, an arc-extinguishing rotary table, an electric conduction metal plate, a starting rod, a clamping rod, an induction coil, an arc-extinguishing barrel and a counting pointer; the arc-extinguishing rotary table is arranged inside the lightning arrester shell, and a flat spiral spring for pushing the arc-extinguishing rotary table to rotate is arranged at the central position of the arc-extinguishing rotary table; the electric conduction metal plate is arranged at the upper part of the arc-extinguishing rotary table; the arc-extinguishing rotary table is provided with a plurality of arc-extinguishing gas pills in the peripheral direction; one side of each arc-extinguishing gas pill is provided with a trigger electrode and a groove respectively, one end of each trigger electrode is connected with one of trigger ends of the corresponding arc-extinguishing gas pill through a lead, and the other ends of the trigger electrodes extend out of the edge of the arc-extinguishing rotary table; and the other of the trigger ends of the corresponding arc-extinguishing gas pill is connected with the electric conduction metal plate through a lead. The thunder-lightening induced solid-phase arc-extinguishing lightning arrester is simple in structure, reasonable in design, high in arc-extinguishing ability and stable and reliable to work, and the arc-extinguishing gas pills are changed quickly and conveniently.
Owner:王巨丰 +1
Tidal current power generation device
InactiveCN103195637AImprove capture efficiencyAvoid power outagesHydro energy generationReaction enginesWave power generationGear wheel
The invention discloses and provides a tidal current power generation device which comprises a horizontal impeller, a vertical impeller, a first magnetic coupling coupler, a second magnetic coupling coupler, a first gear speed increasing box, a second gear speed increasing box, a first generator, a second generator, a gear tumbler, a sealed cabin, a speed-limit control mechanism and an energy storage device. The tidal current power generation device has the advantages of combining horizontal shaft tidal current power generation with vertical shaft tidal current power generation, being good in self-starting performance, adapting to directional changes of incoming flow, being high in power generation efficiency, beneficial to the design, debugging and maintenance of an electrical control system due to an integral suspension structure, capable of connecting with a fixing anchor chain of a sea surface wave power generation device through a supporting truss structure and hierarchically arranged below the sea surface in a suspension mode to form into an ocean current wave power generation system, achieving good utilization of the ocean energy and the like.
Owner:SOUTHEAST UNIV
Master node, slave node, system and method for mirror image management of distributed container cluster
ActiveCN110647580AImprove management efficiencyIncrease speedDatabase distribution/replicationOptically investigating flaws/contaminationManagement efficiencyIp address
The invention discloses a distributed container cluster mirror image management master node, slave nodes, a system and a method, wherein the main node comprises a mirror image database which is a distributed database and is used for storing node information of all nodes in the system; the request input module is used for receiving request content including a request target and command execution content; mirror image management module, the verification module is used for communicating the password and verifying whether the request content acquired by the request record input module is legal; ifit is judged that a request target in the request content is a specified single slave node or grouped slave nodes, sending a communication password and command execution content including a pulling operation, an updating operation, a deleting operation and a cleaning operation to IP addresses corresponding to the slave nodes; and receiving the state feedback content sent by the slave node. According to the invention, the flattening management of the container cluster mirror image is realized, the management efficiency of the cluster container mirror image in a distributed system is improved,and the high reliability and safety of the whole cluster are improved.
Owner:NANJING UNIV OF POSTS & TELECOMM
Photovoltaic power generation device with global maximum power output function
ActiveCN102355165AImprove power generation efficiencyCompact structurePV power plantsDc-dc conversionEngineeringPower regulation
The invention discloses a photovoltaic power generation device with a global maximum power output function, which comprises a photovoltaic cell array and a main converter, wherein the photovoltaic cell array comprises a plurality of series photovoltaic cells. The photovoltaic power generation device also comprises a power adjustment array and an auxiliary converter, wherein an input end of the auxiliary converter is connected with a direct current bus of the photovoltaic cell array, and the power adjustment array comprises power adjustment units corresponding to the photovoltaic cells one by one; and the power adjustment units are connected with the corresponding photovoltaic cells in parallel, and input ends of the power adjustment units are connected with an output end of the auxiliary converter. The photovoltaic power generation device has the advantages that the structure is simple, the cost is low, and the reduced output current under partial shade conditions can be automatically compensated to realize the maximum power output of a single photovoltaic cell.
Owner:杭州禾迈电力电子股份有限公司
Intelligent integrated online monitoring system and method for underground cable operation
InactiveCN104954756APrevent theftMany reserved contactsNon-electrical signal transmission systemsMeasurement devicesVideo monitoringNormal conditions
The invention discloses an intelligent integrated online monitoring system and method for underground cable operation. The online monitoring system comprises a monitoring center as well as a cable anti-stealing detection unit, a cable video monitoring unit, a cable joint temperature monitoring unit, a cable metal sheath grounding current monitoring unit, an environment gas monitoring unit, a cable tunnel water level monitoring unit and a cable tunnel smoke monitoring unit which are connected with the monitoring center respectively. According to the system and the method, various sensors and mutual inductors are adopted to monitor cables and cable environments, the monitoring center masters the operation conditions of the cables in real time and gives an alarm when a normal condition happens, a worker is reminded to clear a fault in time, and large potential safety hazard is avoided; with the adoption of anti-stealing monitoring, the possibility of stealing of the cables is eliminated, in combination of video monitoring, the missing report caused by visual fatigue is prevented, one all-weather dead-zone-free monitoring platform is established, so that visual monitoring of important positions in cable tunnels is realized, manual inspection is replaced, the labor cost is reduced, the time is saved, further, videos can be stored and taken, and later maintenance is facilitated.
Owner:BENGBU POWER SUPPLY COMPANY STATE GRID ANHUI ELECTRIC POWER +1
Device and method for measuring scattering particles by using dynamic polarized light
InactiveCN101699265AIncrease concentrationSimple structureParticle size analysisMicrocomputerLight beam
The invention relates to a device and a method for measuring scattering particles by using dynamic polarized light. The laser light emitted by a laser enters a polarizer, a half-wave plate and an incident light path consisting of lenses in turn; light output by lenses focus radiates on a particle sample in a sample cell; the scattered light, which is generated by sample particles irradiated by laser beams and is vertical to the direction of incident laser light, enters an aperture stop, an analyzer and a receiving light path consisting of the aperture stop in turn and finally enters a photomultiplier to convert optical signals into electric signals which are output and enter a digital correlator to perform counting, and finally, data is sent into a microcomputer for processing. The device and the method improve the concentration of a measurable sample, and a measuring system has a simple structure, strong applicability, convenient later maintenance and a low cost.
Owner:UNIV OF SHANGHAI FOR SCI & TECH
Three-dimensional vision accurate guiding and positioning method for automobile intelligent manufacturing automatic feeding
ActiveCN106625676ACorrect trackImprove grasping accuracyProgramme-controlled manipulatorImaging processingEngineering
The invention discloses a three-dimensional vision accurate guiding and positioning method for automobile intelligent manufacturing automatic feeding. A camera is used for conducting photographing and image collecting on a component, and the position and the angle deviation of the component under a fixed coordinate system are calculated through image processing and in combination with the vision detection algorithm; and a robot is used for transmitting the position and angle information, the track of the robot is corrected, the robot is guided to arrive at the correct work position, and accordingly the robot automatically corrects the track for workpiece grabbing and feeding. According to the three-dimensional vision accurate guiding and positioning method, the component grabbing precision is high, the precision can reach + / -0.5 mm, accurate positioning on a material box is not needed, and the cost and maintaining expense for accurately positioning the material box are omitted; and the later maintaining and adjusting technology is facilitated.
Owner:ISVISION (TIANJIN) TECH CO LTD
Prestressed ultrahigh-performance concrete continuous box girder bridge and construction method thereof
ActiveCN102352597ASimple construction methodGuaranteed durationBridge erection/assemblyBridge materialsPre stressBox girder
The invention discloses a prestressed ultrahigh-performance concrete continuous box girder bridge which comprises piers and an ultra-high performance concrete box girder. The box girder has a wholly or partially external prestressed system in the longitudinal direction of the box girder bridge and mainly comprises a top plate, a bottom plate, a web plate and a diaphragm plate, wherein at least one of the top plate, the bottom plate, the web plate and the diaphragm plate is a sheet. The construction method of the prestressed ultrahigh-performance concrete continuous box girder bridge is a segmental prefabricating and suspended-splicing method and mainly comprises the following steps: constructing pile foundations and the piers, mounting blocks No.0 on the piers, splicing all sections of the box girder symmetrically on two sides of the blocks No.0 in a suspending way, erecting side spans by using a support erecting method, carrying out side span closure, carrying out midspan closure, and stretching prestressed steel strands in all construction stages to finish construction. The prestressed ultra-high performance concrete continuous box girder bridge has the advantages of simple structure and light dead weight, the crack risk of the box girder is reduced, and the method is suitable for constructing a long-span bridge.
Owner:HUNAN UNIV
Full-automatic double-layer fruit bag making line equipment and bag making method using equipment
InactiveCN102642332ACompact layoutImprove bagging qualityBox making operationsPaper-makingFailure ratePulp and paper industry
The invention discloses full-automatic double-layer fruit bag making line equipment, which comprises an inner paper roll roller, an inner bag notch roller, an inner bag cutting arc roller, a first side gluing roller, a cylinder making folded plate, a paper bag shaping roller, a first cut-off roller, a paper feeding roller, an outer paper roll roller, an outer bag notch roller and an outer bag cutting arc roller. The inner paper roll roller, the inner bag notch roller, the inner bag cutting arc roller, the first side gluing roller, the cylinder making folded plate, the paper bag shaping roller, the first cut-off roller and the paper feeding roller are sequentially connected through paper feeding belt pulleys, the outer paper roll roller, the outer bag notch roller and the outer bag cutting arc roller are sequentially connected through paper feeding belt pulleys, both the paper feeding roller and the outer bag cutting arc roller are connected with a composite belt roller, and the composite belt roller is sequentially connected with a pressing mark plate, a large side folding mechanism, a second side gluing roller, a wire feeding device, a small side folding mechanism, an inflating hole line roller, a printing cylinder, a straight-side cutting roller, a second cut-off roller, a paper feeding bag roller and a gluing bag discharging roller through a paper feeding belt. The invention further discloses a bag making method using the equipment for making a double-layer fruit bag. The problems of large paper bag forming errors, low bag discharging speed, poor bag forming quality and high failure rate of existing fruit bag making equipment are solved.
Owner:XIAN UNIV OF TECH
Multicast realization method for LPWAN (Long Range Wide Area Network) Internet of things
ActiveCN108307355AEasy to maintain laterRealize the multicast functionBroadcast service distributionTransmissionMulticast addressNetwork service
The invention provides a multicast realization method for an LPWAN (Long Range Wide Area Network) Internet of things. The problems of multicast group management, multicast address and session key allocation and multicast route maintenance are solved. The method comprises LoRa terminals, a pluarity of LoRa base stations, a network server and a multicast application. The LoRa terminals are used forreceiving multicast information. The LoRa base stations are used for transmitting multicast frames to all LoRa terminals in the coverage range of the base stations. The network server is used for allocating multicast addresses and maintaining multicast group routes. The multicast application is used for establishing and maintaining a plurality of multicast groups. The method has the beneficial effects that through adoption of the method provided by the invention, multicast functions of LoRaWAN ClassB and ClassC terminals are realized, and the difficulty that batch terminals issue commands at the same time is solved.
Owner:中兴克拉科技(苏州)有限公司
Traffic signal machine control method for priority passage of extraordinary vehicle
InactiveCN105489029APriority traffic implementationWon't breakRoad vehicles traffic controlTraffic signalMachine control
The invention discloses a traffic signal machine control method for priority passage of an extraordinary vehicle, which overcomes the flaw of the priority passage of the extraordinary vehicle in the practical application which is difficult to realize. The traffic signal machine control method comprises steps of obtaining the positioning information of the extraordinary vehicle, transmitting vehicle positioning information, receiving the vehicle positioning information, calculating the distance away from an intersection, determining the driving direction of the extraordinary vehicle and switching the green light phase by the signal machine. The invention effectively realizes the priority passage of the extraordinary vehicle based on the GPS positioning technology and the Zigbee transmission technology.
Owner:ANHUI KELI INFORMATION IND
Circular-disc-shaped underwater glider and working method thereof
InactiveCN104527953AIncrease buoyancyIncrease payloadUnderwater vesselsUnderwater equipmentCircular discAttitude control
The invention discloses a circular-disc-shaped underwater glider and a working method thereof. The glider comprises a circular-disc-shaped shell, a pressure-resisting shell, a control system, a communication navigation system, a driving system, a sensor system, an energy source system and an external port. The circular-disc-shaped shell made of a buoyancy material covers the pressure-resisting shell and greater buoyancy is provided for the circular-disc-shaped underwater glider, so that effective load is improved. The pressure-resisting shell structure design scheme combining the pressure-resisting shell and a pressure-resisting hollow ring is adopted so that the utilization rate of the inner space of the circular-disc-shaped underwater glider is improved; meanwhile, the quantity of sealing nodes of internal equipment is greatly reduced, more equipment is prevented from being exposed in a deep sea complicated underwater environment, and thus the whole reliability is improved. A gravity center adjusting system is arranged in the pressure-resisting hollow ring, and a force arm and a moment, generated by a slide block, are relatively great; and the posture control efficiency is improved and the inner space of the circular-disc-shaped underwater glider is sufficiently utilized.
Owner:DALIAN MARITIME UNIVERSITY
Engine oil cooling and filtrating device
InactiveCN101363340AEasy to replaceEasy to maintain laterMachines/enginesLubricant mounting/connectionOil coolingLubrication
The invention relates to an engine oil cooling and filtering device used for cooling and filtering the engine oil in a lubrication system of an engine. The engine oil cooling and filtering device comprises an engine oil cooler and an engine oil filter, and is characterized in that the engine oil cooler and the engine oil filter are respectively arranged on an engine oil filter seat which is provided with an upper oil inlet of the engine oil filter seat, an upper oil outlet of the engine oil filter seat and an oil passage of the engine oil filter seat; the oil passage of the engine oil filter seat is respectively communicated with an oil passage of the engine oil cooler and an oil passage of the engine oil filter. A lower oil outlet of the engine oil filter seat is communicated with an oil inlet of the engine oil cooler; and a lower oil inlet of the engine oil filter seat is communicated with an oil outlet of the engine oil cooler. By combining the engine oil cooler and the engine oil filter into a whole with the engine oil filter seat, the engine oil cooling and filtering device can cool and filter engine oil at one time and has simple structure and convenient maintenance; furthermore, the engine oil cooling and filtering device not only can guarantee cooling effect, but also can facilitate the replacement of parts and later maintenance.
Owner:WUXI KIPOR POWER CO LTD
Polydimethylsiloxane-dual scale silicon dioxide composite super-hydrophobic coating and forming method thereof
The invention relates to a polydimethylsiloxane-dual scale silicon dioxide composite super-hydrophobic coating and a forming method thereof. The composite super-hydrophobic coating comprises a polydimethylsiloxane layer and silicon dioxide particles uniformly dispersed on the polydimethylsiloxane layer. The composite super-hydrophobic coating is obtained by a method of curing a polydimethylsiloxane coating material containing large-particle-size silicon dioxide nanoparticles and then firing the coating, and the composite super-hydrophobic coating is of a secondary rough surface structure. According to the invention, the durability of the coating is strengthened, and the super-hydrophobic performance of the surface is recovered by a method of polishing or re-firing, so as to keep the excellent performance of the coating for a long time.
Owner:JILIN UNIV
Resource device address obtaining method and device
ActiveCN106412142AEasy initial accessEasy post-maintenanceClosed circuit television systemsNetwork connectionsNetwork addressIp address
The invention discloses a resource device address obtaining method and device. The method is applied to gateway devices in a network. The network comprises a resource device, a management platform VM and multiple gateway devices. An address request message generated by the management platform VM according to a resource device IP address is received; whether an IP address in the address request message belongs to a network segment in which the resource device is located or not is judged according to an address request identifier in the address request message; an address response message is generated according to an MAC address corresponding to the IP address and a target network segment in which the resource device is located when the IP address in the address request message belongs to the network segment in which the resource device is located, and the address response message is sent to the VM, so when the VM and the resource device are located in different network segments, the VM still can obtain the network address information of the resource device accurately, processes such as initial access and post-maintenance of the resource device become more simple and convenient.
Owner:ZHEJIANG UNIVIEW TECH
Liquid hydrostatic bearing capable of realizing oil distribution from end surface
ActiveCN102840237AEasy disassembly and post-maintenanceImprove operational efficiencyBearing componentsBearingsHydraulic pumpInlet channel
The invention discloses a liquid hydrostatic bearing capable of realizing oil distribution from an end surface. The liquid hydrostatic bearing comprises a bearing body, a plurality of bearing oil cavities, a matched oil inlet pipeline system and oil return pipeline system, wherein the oil inlet pipeline system comprises an oil inlet, a main oil inlet channel with one end connected with the oil inlet and the other end connected with one bearing oil cavity, subsidiary oil inlet channels arranged corresponding to the rest of the bearing oil cavities and communicated with each other, and oil transportation channels. The number of the oil transportation channels corresponds to that of the oil inlet channels. The oil transportation channels are arranged along the axial direction of the hydrostatic bearing; one end of each oil transportation channel is communicated with each oil inlet channel; and the other end of each oil transportation channel is communicated with circular grooves disposed on the inner surface of an end cap arranged at one end of the bearing. The oil distribution from the end surface can be realized through a single hydraulic pump. The liquid hydrostatic bearing is convenient for guaranteeing consistence of pressure in each bearing oil cavity, has compact whole structure and good processing performance, and is suitable for various high-precision bearing works.
Owner:HUAZHONG UNIV OF SCI & TECH
Automobile cable harness protection sleeve
InactiveCN101425664AImprove installation efficiencyImprove waterproof performanceElectrical apparatusEngineeringCable harness
The invention aims to provide an automobile wiring harness protective sleeve convenient for vehicle door wiring harness installation and later period maintenance. The automobile wiring harness protective sleeve comprises a hollow tubular main body (1), tubular fixed parts (2) and (3) are arranged at both ends of the main body (1), an annular groove (21) is arranged on the outer surface of the tubular body of the fixed part (2), and an annular groove (31) is arranged on the inner surface of the tubular body of the fixed part (3). The automobile wiring harness protective sleeve enables the butted point between the vehicle door wiring harness and the main wiring harness in the vehicle body to be transferred to the sheet metal hole from the inside of the vehicle body, thereby greatly simplifying the assembly procedures and facilitating the modular assembly of the vehicle door and the later period maintenance, and the automobile wiring harness protective sleeve has simple structure and low cost and is suitable for being widely popularized.
Owner:CHERY AUTOMOBILE CO LTD
Voice conversation processing method and device
ActiveCN110442701ACustom development is simple and efficientEasy to makeDigital data information retrievalAutomatic exchangesSemanticsSpoken dialog
The invention discloses a voice dialogue processing method and device. The voice dialogue processing method comprises the steps of determining voice semantics corresponding to to-be-processed user voice; based on a dialogue management engine, determining a reply statement for the voice semantics, constructing a training sample set of the dialogue management engine according to a dialogue service customization file comprising at least one dialogue stream, and the dialogue stream comprising a plurality of dialogue nodes with a set sequence; and generating customer service voice for replying to the user voice according to the determined reply statement. By utilizing the method, the dialogue management engine is trained based on the dialogue service customization file with the dialogue flow, so that the dialogue service customization development is simpler, more convenient and more efficient, and the later maintenance of the service process is also facilitated.
Owner:AISPEECH CO LTD
Method and system for accessing and managing enterprise intranet
ActiveCN102957698ALow costReduce hardware facilitiesTransmissionInformation repositorySoftware system
The invention provides a method and system for accessing and managing an enterprise intranet, and belongs to the technical field of computers. The system comprises a terminal browser and a console, wherein the terminal browser comprises a webpage request intercepting module, a website information sending module and a judging and processing module, the console comprises a comparison and judging module and a decrypting model, the comparison and judging module is used for judging whether the website information is prohibited to access according to a website information base and is used for returning the judging results to the terminal browser, the website information sending module comprises an encrypting model and a sending module, the encrypting model is used for encrypting the website information, the sending module is used for sending the encrypted website information to the console, and the decrypting model is used for decrypting so as to obtain website information and user identification by a corresponding decrypting method. The method and the system have the advantages that a corresponding software system is installed on the basis of the original system of a closed network, and then the limitation of the webpage access is realized; any hardware equipment, such as firewalls, are not needed to purchase, so the cost of the hardware is saved, the hardware facilities are reduced, the later maintenance is more convenient, and the maintenance cost is reduced.
Owner:BEIJING QIANXIN TECH
Spray printing method and device for color patterns on workpieces
ActiveCN107696707APrecise positioningImprove yieldOther printing apparatusSurface patternProcess engineering
The invention relates to a spray printing method for color patterns on workpieces. The spray printing method includes the following steps that the workpieces are placed on a conveying carrier, and theconveying carrier drives the workpieces to move according to the set track; position information of the workpieces on the conveying carrier and the patterns on the surfaces of the workpieces are collected through a camera, and printing parameters corresponding to the workpieces are obtained with the combination of the position information of the workpieces and the set printing patterns; and an ink jet printing module conducts spray printing and curing operation on the workpieces in sequence according to the printing parameters, and finally the patterns which are completely the same are formedon the workpieces. The spray printing method has the beneficial effects that the workpieces do not need to be rotated, a special clamp body does not need to be used for achieving accurate positioning, the yield is greatly increased, and any spray printing pattern can be designed according to needs; in addition, coating can be conducted more accurately according to the shapes of the patterns whena bottom layer is coated, metering can also be better controlled to avoid waste, and the rejection rate is reduced; and the overall process is compact, and efficient spray printing is achieved due tothe assembly line design.
Owner:江苏科思机电工程有限公司
Construction method for filling mortar combined stone dam
ActiveCN101581088AIncrease self-impermeabilityTake advantage ofFoundation engineeringWall damsDiameter controlFly ash
The invention discloses a construction method for filling a mortar combined stone dam, which combines a mortar grouting and filling method and a rock-fill dam filling construction process, and solves the problems that a stone masonry structure is inconvenient to use mechanical construction and has low working efficiency, and a rock-fill dam has higher requirement on grain diameters of filling stones, lower material source utilization rate, high manufacturing cost and the like. The construction method comprises the following steps: filling stones in a dam shell till reaching the thickness requirement of a filling layer, flattening the stones, and then carrying out mortar sand removal operation on the top surface of the filling layer, namely directly filling previously prepared cement mortar or cement mixed mortar doped with admixture fly ash into the screened sand quantitatively supplied by a mortar conveying device in gaps of the filled stones through the mortar conveying device to form the mortar combined stone dam similar to the mortar masonry stone dam. The process flow is simple, the application range is wide, the maximum block diameter control and grade matching requirements are not needed, the stone source is abundant, the thickness of the filling layer is large, the roller compaction is not needed, the construction speed is high, the working efficiency is high, the construction cost is reduced, and the formed dam mortar masonry is compact and has good quality.
Owner:沈阳乾玉水利有限公司
Access control method and system for enterprise Intranet
ActiveCN102957699ALow costReduce hardware facilitiesTransmissionInformation repositoryAccess control matrix
The invention provides an access control method and system for an enterprise Intranet, relating to the technical field of a computer. The method comprises the following steps of intercepting an own webpage request by a terminal browser aiming at terminals monitored by a console in the enterprise Intranet; sending website information corresponding to the page request to the console; identifying whether the website information is allowed to be accessed or not by the console according to a website information library; determining to stop the interception of webpage request according to the identification result to the website information returned by the console; and allowing the webpage request to access corresponding website, or determining to cancel the webpage request. According to the method and the system provided by the invention, corresponding software system can be installed on the basis of the original system of a closed network, namely, the limit of page access can be realized; hardware equipment such as any hardware firewall is not required to be bought, thus, the hardware cost is saved; and as the hardware facility is reduced, the post maintenance is convenient, and the maintenance cost is reduced.
Owner:BEIJING QIANXIN TECH
Transit network data processing method based on big data and server cluster
InactiveCN107133273AUniversal and convenient to build and maintainEase of initial deployment and subsequent maintenanceData processing applicationsDatabase management systemsData platformTransit network
The embodiment of the invention provides a transit network data processing method based on big data and a server cluster. The server cluster acquires service data of track lines in a rail transit network from a data acquisition layer, then processes and stores the acquired service data and finally controls the traffic operation state of the track lines in the rail transit network according to the processed service data. According to the method, a big data platform is deployed by building the server cluster and replaces an existing data warehouse platform to conduct data processing and storage for a network (emergency) command center; as the server cluster is more universal and more convenient to build and maintain, first-time deployment and later-stage maintenance of a system are convenient. Besides, linear horizontal expansion of the storage capacity of the server cluster can be achieved, the processing performance can be improved at the same time, it is only needed to add machines into the cluster, halt is not needed in the expansion process, and the demand for capacity expansion convenience is effectively met.
Owner:QINGDAO HISENSE TRANS TECH
Water-breaking energy-dissipation permeable box type single floating body capable of being assembled
InactiveCN103147423AReduce wave reflectionImprove securityBreakwatersQuaysStructural engineeringWater diversion
The invention discloses a water-breaking energy-dissipation permeable box type single floating body capable of being assembled, which comprises a hexahedral casing with open front and rear ends; two middle flat plates, which are isolated from each other and connected with the left and right wall plates of the casing, are horizontally arranged in the casing; four inclined plates, which are inclined towards the interior of the casing and connected with edges of the upper and lower wall plates of the casing and edges of the middle flat plates, are arranged at the front and the rear parts of the casing in positions between the upper and lower wall plates of the casing and the middle flat plates respectively; included angles Alpha are formed between the inclined plates and the upper and lower wall plates of the casing; aerofoil-like water diversion structures are arranged between the two middle flat plates in positions close to the front and rear edges of the casing respectively; the end sections of the aerofoil-like water diversion structures are triangular; the two ends of each aerofoil-like water diversion structure are respectively connected with the left and right wall plates of the casing; two floating boxes are respectively clung to and connected with the outer sides of the left and right wall plates of the casing; and a plurality of through holes are uniformly formed in the upper and lower wall plates of the casing, the middle flat plates and the inclined plates. Such assembled water-breaking energy-dissipation permeable box type single floating bodies provided by the utility model can be assembled into a floating breakwater, have favorable water-breaking energy-dissipation effects and good stability and are easy to manufacture and low in cost.
Owner:JIANGSU UNIV OF SCI & TECH
Log management system and log management method
The invention provides a log management system and a log management method. The log management system comprises a configuration unit used for configuring operation log describing information of a business service interface, and a log agency manager used for intercepting a business request sent by a client side to a server, analyzing out a business service object and the business service interface corresponding to the business request, obtaining the operation log describing information of the business service interface according to the business service object and the business service interface and determining whether operation logs need to be recorded or not based on the operation log describing information. According to the technical scheme, all business service objects can be substituted in a unified mode, the system operation logs are recorded in a unified mode and managed in a unified mode, a developer only needs to configure the describing information of the business service interface, the system can intelligently record the user operation logs in a unified mode, the communication cost of the developer is reduced, and developing efficiency is improved.
Owner:利德科技发展有限公司 +1
Full-automatic carton stacking production line
ActiveCN105800321AGuaranteed flatnessImprove efficiencyStacking articlesDe-stacking articlesEngineeringProduction line
The invention discloses a full-automatic carton stacking production line which comprises a stacking machine (1), a carton pushing machine (2), a tray room (3), a carbon feeding roller way (4), a stack conveying mechanism (5) and a finished product stack conveying device (6), wherein the stacking machine (1) consists of a lifting mechanism I (7) and curtain drawing mechanisms (8); the stack conveying mechanism (5) is arranged below an auxiliary rack (10); the carton pushing machine (2) is arranged on the rear side of the stacking machine (1); the tray room (3) is arranged on the right side of the stack conveying mechanism (5); the carton feeding roller way (4) is arranged on the rear side of the tray room (3); the finished product stack conveying device (6) is arranged on the left side of the stack conveying mechanism (5). The full-automatic carton stacking production line has the beneficial effects of low manufacturing cost, high carton stacking efficiency, low maintenance cost and high stacking quality, and guarantees the carton stacking tidiness.
Owner:成都经纬机械制造有限公司
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