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476results about How to "Cost savings" patented technology

Method and system for convenient network job hunting and recruitment

The invention discloses a method and a system for convenient network job hunting and recruitment. The method comprises the following steps that: a client job hunting and recruitment software system is installed in a user computer terminal, and job hunting or recruitment information is filled in and sent to a far end network station information data base server by a release interface of the system; the network station information data base server classifies and stores the job hunting information and recruitment information according to job parameter classification respectively, and by comparing a key word in the job hunting information with a key word in the recruitment information, the job hunting or recruitment information which meets the conditions is sent to the corresponding user computer terminal; and the user can check the information by the user computer and communicate with a suitable object. The method and the system have the advantages that: the user can directly release and search job hunting and recruitment information by the user computer, the job hunting or recruitment task can be finished only by the user computer terminal, and the user does not need to log on a recruitment network for registration, so that the mode is simple, fast and convenient in operation.
Owner:汤溪蔚

Travel manner planning method and device

ActiveCN105303817AOptimize taxi experienceImprove order completion rateRoad vehicles traffic controlOrder formSimulation
The invention provides a travel manner planning method and device. The method comprises the steps that a taxi request sent by user equipment (UE) is received, and the relevant feature information and the basic information of the taxi request are acquired; according to the relevant feature information and the basic information, the travel information, which is corresponding to the taxi request, of each single travel manner is determined; according to the travel information of each single travel manner, a global optimization algorithm is used to determine a combined travel manner, and the travel information, which is corresponding to the taxi request, of the combined travel manner is acquired; and according to the travel information, all single travel manners and the combined travel manner are sorted according to a preset travel condition and are sent to the UE. The device comprises a receiving unit, a first information determining unit, a second information determining unit and a sorting unit. According to the invention, a variety of travel manners can be selected by a passenger; the order turnover rate is effectively improved; taxi time or expense can be saved; and the taxi experience of the passenger is optimized.
Owner:BEIJING DIDI INFINITY TECH & DEV

Vehicle-mounted repairing equipment and method for polluted site soil and underground water body

The invention provides vehicle-mounted repairing equipment for polluted site soil and underground water body, which comprises a dry powder hopper, a level meter, a feeding motor, a stirring machine, a mixing tank, a liquid level meter, a flowmeter, a magnetic valve, a tap water pipe, a liquid preparation feeding pipe, an eclectic cabinet, a touch screen operating system, an alarm, a plunger pump, a mixed liquid output pipe and a pressure meter. A repairing method comprises the steps of: adding a solid preparation into the dry powder hopper, adding the preparation into the mixing tank by using the feeding motor, introducing water or other solvent through a water inlet pipe, stirring by using the stirring machine to ensure that the solid preparation is fully dissolved in water or other solvents to prepare a repairing preparation with required concentration; or directly adding a liquid preparation into the mixing tank, introducing the water or other solvents through the water inlet pipe to ensure that the liquid preparation is diluted into the repairing preparation with the required concentration. Through automatically or manually starting the plunger pump, the repairing preparation is pressurized and injected into a polluted medium through the mixed liquid output pipe and reacts with pollutants in the medium, thus the purpose of efficient repairing is achieved.
Owner:北京九州科睿科技有限公司

Intelligent illumination control system and method

The invention discloses an intelligent illumination control system and a method. The system comprises a control center, at least one intelligent road-lamp road-section controller, at least one intelligent road-lamp terminal controller and a plurality of controlled objects; wherein the control center transmits control signals to the intelligent road-lamp road-section controllers and returns operating status parameters of all controlled devices including the controlled objects, the intelligent road-lamp terminal controllers and the intelligent road-lamp road-section controllers, and controls road lamps in all road sections, or road lamps in one road section / a plurality of road sections, or the controlled objects on one lamp post / a plurality of lamp posts; and each intelligent road-lamp road-section controller receives the control signal of the control center and status signals of the intelligent road-lamp terminal controller (to which the intelligent road-lamp road-section controller belongs) and the controlled objects, and controls the intelligent road-lamp terminal controller (to which the intelligent road-lamp road-section controller belongs) according to the control signal. The invention can realize controlling one point by multiple points: multiple light sources with different functions on the same lamp post can be controlled independently or entirely; and a single light source controls all road sections independently.
Owner:宁波知睿节能技术有限公司

Automobile positive development-oriented vehicle man-machine engineering test platform

InactiveCN101716964AReduce the risk of forward developmentCost savingsVehiclesDriver/operatorSteering wheel
The invention discloses an automobile positive development-oriented vehicle man-machine engineering test platform. The man-machine engineering design scheme when a driver drives a vehicle is truly embodied and verified on the test platform. The test platform comprises a basic platform, a seat mounting sub platform, a steering wheel mounting sub platform, a pedal mounting sub platform and a shift manual brake mounting sub platform. The invention has the advantages that the seat mounting sub platform, the steering wheel mounting sub platform, the pedal mounting sub platform and the shift manual brake mounting sub platform are arranged on the basic platform. A combined pedal system test platform used for man-machine subjective assessment adopts a combined pedal system of multiple degrees of freedom, used for tests based on man-machine engineering, to set up correlation parameters according to conditions appearing actually so as to adapt to most groups for use of tests and verification.
Owner:CHERY AUTOMOBILE CO LTD

Globefish skin active collagen and method for preparing peptide thereof

The preparation methods of globefish skin active collagen and the peptide of the active collagen are that the globefish skin is cut into small pieces to be frozen, dried, crushed and put into sodium chloride solution to be stirred for 12 hours and then for centrifugation to discard supernatant and remove non-collagen proteins, deposition is put in to acetum, pepsin is added under 0 DEG C to 10 DEG C for enzymolysis and centrifugation, the supernatant is put through an ultrafiltration membrane, and the above part is frozen and dried to obtain the collagen. After the active collagen is prepared, the rest deposition is centrifugated until the pH value is between 2.0 to 7.0, papain is added into the deposition for the enzymolysis, the supernatant is centrifugated and respectively put through the ultrafiltration membrane after enzyme-denaturing to obtain the globefish skin collagen peptide of different molecular weight ranges, and the globefish skin collagen peptide are frozen and dried to obtain the light yellow or white powdery globefish skin collagen active peptide which has good antioxidation character and takes effects of eliminating free radical and reducing the senescence degree.
Owner:DALIAN POLYTECHNIC UNIVERSITY +1

A fresh air unit

A fresh air unit, including a chassis and a heat pump device, wherein the chassis is composed of mutually independent fresh air passages and exhaust air passages, the fresh air passage includes a fresh air inlet and a fresh air outlet, and the exhaust air passage includes an exhaust air inlet and an exhaust air outlet; A heat pump device is composed of a first compressor, a first four-way valve, a first heat pump first heat exchanger, a first throttling device, and a first heat pump second heat exchanger sequentially connected through a refrigerant pipeline; the fresh air unit It also includes a heat recovery device. The heat recovery device is a separate gravity heat pipe, a separate liquid pump circulation heat recovery device, an integral heat pipe, etc. The first heat exchanger of the heat recovery device is located at the fresh air inlet of the fresh air channel and the first heat pump first. Between the heat exchangers, the second heat exchanger of the heat recovery device is located between the exhaust inlet of the exhaust channel and the second heat exchanger of the first heat pump. The invention has the characteristics of efficient recovery of exhaust air heat, stable operating conditions, precise control of fresh air outlet parameters, energy saving and the like.
Owner:TSINGHUA UNIV +1

Integrated ozone and aeration biological filtering pool water treatment apparatus and method

This invention relates to water disposal facility and means of integrated ozone and aerating biological filter. This aerating biological filter(9) is above ozone catalysis chamber(8), connects with ozone catalysis chamber(8) through the filter plate of biological filter(9); ozone catalysis chamber joints with Venturi tube(5), Venturi tube(5) respectively joints with ozone occurring system(6) and influent water pump(1); ozone occurring system(6) is a ozonizer that by silent discharge method translate oxygen of air into ozone. The water after pretreatment by ozone passes the filter plate of the aeration biological filter pool at the top of the ozone reaction chamber to enter the biological filter pool uniformly and stay for about 1 to 4 hours. This invention can advance aerating efficiency without fixing aerating system, and the flow between aerating biological filter and ozonization buffer pool cell is equilibrium, possess merits of high efficiency, low cost and so on.
Owner:SOUTH CHINA UNIV OF TECH

Self-adaptation flexible assembling device for hydraulic cylinder head body

InactiveCN109015468AFast and accurate vertical liftingQuick dockingWork holdersMetal working apparatusHydraulic cylinderCylinder head
The invention relates to the technical field of automatic machine assembling, in particular to a self-adaptation flexible assembling device for a hydraulic cylinder head body. The technical problem ofassembling of a cylinder barrel and a cylinder head body of a large multistage hydraulic cylinder is solved. The self-adaptation flexible assembling device comprises a cylinder barrel flexible clamping platform and a cylinder head body flexible clamping platform which are independent from each other and need to be used in cooperation with each other. The cylinder barrel flexible clamping platformis used for fixing a cylinder barrel, and the cylinder barrel flexible clamping platform can do perpendicular lifting motion and horizontal motion in the radial direction of the cylinder barrel. Thecylinder head body flexible clamping platform is used for fixing a cylinder head body, the cylinder head body flexible clamping platform can do horizontal motion along the axis of the cylinder barrel,the cylinder head body flexible clamping platform drives the cylinder head body to move towards the cylinder barrel and rotate synchronously, and finally the cylinder head body and the cylinder barrel can be assembled through thread connection. By means of the self-adaptation flexible assembling device, the historic problems that operation is complex, the assembling efficiency is low, the surface, making contact with a lifting clamp, of the cylinder barrel is likely to be damaged, and even the cylinder barrel is disengaged in the traditional cylinder barrel and cylinder head body assembling process can be effectively solved.
Owner:SHANXI UNIV

Vehicle-mounted unmanned aerial vehicle nest and a use method thereof

The utility model relates to a vehicle-mounted unmanned aerial vehicle nest and a use method thereof. The nest comprises a main frame, a lower shell, a sliding cover, a sliding cover driving mechanism, a tail door, a parking apron, a parking apron driving mechanism and a nest controller. Wherein the main frame is connected with a luggage rack provided with the vehicle, and the lower shell is connected with the main frame; The sliding cover is installed on the main frame, and under the action of the sliding cover driving mechanism, the sliding cover can slide relative to the main frame according to the front and rear directions of the vehicle body, the tail door is connected with the main frame, and the relative main frame can be opened or closed; The apron is installed on the main frame, and under the action of the apron driving mechanism, the apron slides relative to the main frame, which is opposite to the moving direction of the sliding cover; A lan target is arranged on that pad; The nest controller controls the sliding cover driving mechanism and the apron driving mechanism in the nest according to the received signal. The nest allows enough space for takeoff and landing to avoid damage during takeoff and landing.
Owner:张欣

Automobile lock reinforcing plate part die

The invention relates to an automobile lock reinforcing plate part die. The die comprises a lower die and an upper die. The lower die is provided with a trimming piercing male die (2), a first flanging sizing male die (4), a second flanging sizing male die (6) and a side piercing male die (8). The upper die is provided with a trimming piercing female die (3), a first flanging sizing female die (5), a second flanging sizing female die (7) and a side piercing female die (9), which are corresponding to the lower die. Four actions of drawing, trimming piercing, flanging sizing and trimming piercing are combined, so a continuous combination die is formed. Compared with the prior art, the die disclosed by the invention has the advantages of low production cost, safety, reliability and the like.
Owner:SHANGHAI ZHONGDA AUTO PARTS

Integrated fully-sealed liquid crystal screen and manufacturing process for same

ActiveCN104679339AScreen thickness is light and thinGood solid fluidityNon-linear opticsInput/output processes for data processingLiquid-crystal displayGlass cover
The invention discloses manufacturing process for an integrated fully-sealed liquid crystal screen. Components which are sequentially arranged are laminated into a whole through a solid ultraviolet flexible adhesive, wherein the components comprise screen protecting glass, a liquid crystal screen set, a support frame and a rear glass cover plate, wherein edge lighting type backlight module is nested in the support frame. The integrated fully-sealed touch and display screen manufactured by the process is waterproof, damp-proof and ultrathin, all gaps of the screen protecting glass or the touch screen set, a liquid crystal display screen set and the side lighting type backlight module are eliminated, image definition is improved, and brightness can be reduced to achieve a remarkable energy-saving effect.
Owner:OPTON (SHUNCHANG) OPTICS CO LTD

Device and method for implementing SIMN short message service

The invention discloses a method for realizing a short message multi-numbers service and a device thereof. The method comprises the following steps: a gateway register is arranged in a mobile communication system; a corresponding relationship between a major number and a plurality of minor numbers of a multi-numbers user is established in the gateway register; when the multi-numbers user roams in other cities, the user can register in a roaming city through the gateway register. A request message for location update is interacted between a mobile switching center of the roaming city and a home location register by the transmission of the gateway register. The gateway register stores the location information of the user when roaming and automatically assigns a minor number of the roaming city to the uses on the basis of the location information; furthermore, when the multi-numbers user receives and sends the message in the roaming city, the mobile switching center and a message center of the roaming city interacts the routing message of the short messages by the transmission of the gateway register. After the routing of the short messages is inquired, the delivery or reception of the short message is completed.
Owner:ZTE CORP

Method for reinforcing brick-concrete structure by utilizing angle steel frame

ActiveCN102561717AConstruction speed safetyBundled reinforcement construction speed is fastBuilding repairsShock proofingEpoxyFloor slab
The invention relates to a method for reinforcing a brick-concrete structure by utilizing an angle steel frame, belonging to the anti-earthquake reinforcement field. According to the method disclosed by the invention, a reliably connected steel frame formed by double-angle steel can replace a ring beam and a structural column, and field bolt assembly connection through factory pre-fabricated components can be realized, thus the safe, environment-friendly and green construction is realized; simultaneously, angle steel, a wall and a pre-fabricated floor slab are connected by bolts and epoxy resin, and the double-angle steel is also can be used as a round hole plate end part support, so that the connection reliability of the pre-fabricated floor slab and the wall is ensured, double functions of the ring beam and a supporting beam are exerted, reinforcement workload and cost are saved, and the original structure and reinforcement components mutually and cooperatively work. According to the method for reinforcing the brick-concrete structure by utilizing the angle steel frame, disclosed by the invention, the binding-type reinforcement construction speed is fast, and the reinforcement construction is safer, so that the method is very suitable for residential buildings.
Owner:贵州建工安顺建筑工程有限公司

Performance assessment managing method

The invention relates to the field of intelligent management and discloses a performance assessment managing method, adopting a server and at least one client computer, which are connected through Internet or a local area network. The performance assessment managing method comprises the working steps of: step (1), modeling; step (2), inputting information; step (3), requiring assessment; step (4), assessing and analyzing; and step (5), assessing and feeding back. According to the performance assessment managing method, an assessor (manager) can conveniently and rapidly set self-help performance assessment index and rule in a system definition format on any computer terminal based on the Internet, and also can carry out inquiring and operation; and an assessed person can conveniently and rapidly obtain self assessment information from any computer based on the Internet and carries out operation. The method disclosed by the invention is carried out based on the Internet and is not limited by time and space, so that the time and the cost of two parties are extremely saved, and the performance assessment managing method is extremely easy to operate and has certain confidentiality; and therefore, the performance assessment managing method is a helpful tool for carrying out the performance assessment by enterprises and is extremely good for popularizing and using in performance assessment managing work.
Owner:SHENZHEN HALIS IOT TECH

Method for recycling waste concrete

The invention provides a method for recycling waste concrete, which comprises four steps of vibration screening, reshaping treatment, grinding treatment and mixing compounding. The method can reasonably solve the problem of the reutilization of the waste concrete; on the one hand, the problems of difficult treatment on a large amount of discarded waste concrete, adverse influence on the environment caused by the difficult treatment of a large amount of discarded waste concrete and the like are solved, so that the huge cost of transporting and treating wastes is saved; and on the other hand, the exploitation of natural sandstone is reduced, so that the method protects ecological environment and facilitates the sustainable development of human society.
Owner:长兴清华粉体及新材料工程中心有限公司

Passive optical network system and transmission method and equipment thereof

The invention discloses a passive optical network (PON) system. A plurality of downlink signals with tight spacing and different wavelength are expanded in the OLT downlink direction through a DWDM expansion technology; a plurality of the downlink signals are coupled to form a path of signals and are transmitted; a wave division de-multiplexing device is added to ODN; a coupling signal is dividedinto a plurality of downlink signals with different wavelengths; and the downlink signals are input to an ONU, thereby expanding the downlink bandwidth of the PON system. The invention simultaneouslydiscloses a signal transmission method for the passive optical network (PON), an optical line terminal (OLT) and an optical distribution network (ODN). The PON system and the suitable signal transmission method, the OLT and the ODN only need to add a new passive device to the LOT and the ODN, upgrade software and can expand the downlink bandwidth of the network without changing the prior optical fiber network or replacing the prior equipment of a user, thereby saving equipment cost and engineering expense for capacity expansion of the network.
Owner:北京格林伟迪科技股份有限公司 +1

Short-term life test data-based quick life evaluation method

The invention discloses a short-term life test data-based quick life evaluation method, which comprises the following steps of: (1) selecting proper stress to perform life test on a device to obtain original data; (2) establishing a mathematical model based on data obtained by the life test; (3) performing linear regression analysis on the life test data; (4) determining model parameters by using a least square method principle; (5) performing calculation of test of goodness of fit to judge validity of the model; (6) calculating significance test statistic, and determining whether a regression equation has significance under a given significance level condition; and (7) statistically analyzing a reliability quantitative index of the test device by using a weibull distribution function and the established mathematical model to obtain a life index and life distribution of the device.
Owner:CHINA ELECTRONICS PROD RELIABILITY & ENVIRONMENTAL TESTING RES INST

Method for preparing dry-type water-soluble colorful rock slices

The invention relates to a preparation method for a dry-type water colored sliver, comprising following technical steps: 1) preparation of polyurethane modification acrylic acid latex: dihydric alcohol is put into a reactor and then temperature is increased to 70 DEG C to 100 DEG C, then dihydric alcohol and organic tin dihydric alcohol is added and temperature is increased to 100 DEG C + / - 5 DEG C for 2 to 4 hour reaction, then temperature is decreased to 60 DEG C + / - 5 DEG C and methyl acrylate and dihydroxy methylpropanoic acid are added, then circumfluence temperature is controlled at 60 DEG C to 80 DEG C and reaction is carried out for 6 hours + / - 0.5 hours; when NCO value in reaction system is lower than 1, prepolymer is transferred into a dispersator and is dispersed in water dissolved in neutralizing agent of triethylamine, then water polyurethane is prepared; 50 to 100 pieces of water polyurethane are put into a reactor, temperature is increased to 70 DEG C to 90 DEG C and polyurethane modification acrylic acid co polymerization latex is obtained: step 2, the preparation of dry-type water colored sliver. The dry-type water colored sliver of the invention has the advantages of fine climate resistance performance, no conglutination on the way of transportation, fine elasticity, no discharging of organic matter with volatility and cost saving.
Owner:JIANGSU GUOLIAN TECH

Pulse condition analysis method and system

The invention provides a pulse condition analysis method and system. The method comprises the steps of acquiring a user pulse signal and preprocessing the acquired user pulse signal based on a waveform recognition algorithm of filter enhancement and wave peak mirror transformation; after analyzing pulse condition characteristic parameters of the preprocessed user pulse signal waveform, transmitting the preprocessed user pulse signal and a pulse condition analysis result to be stored and displayed. By means of the pulse condition analysis method, after the obtained pulse signal waveform is preprocessed, the accuracy of pulse recognition is improved, through accurate extraction and comprehensive calculation of a characteristic value, the pulse condition six factors can be accurately analyzed, and therefore the accuracy of pulse diagnosis is improved. The pulse condition analysis system is easy to operate, small in size and convenient to carry, a user can diagnose pulse condition information at any time with the assistance of the system, therefore the time and cost of going to a hospital for to see a doctor are saved, and then social medical resources are saved.
Owner:OVATION HEALTH SCI & TECH CO LTD

Technique for producing acetylene gas by dry method

ActiveCN101100617AReduce pollutionSave waterOrganic chemistryGenerators with non-automatic water feedGas phaseSlag
A process for producing ethyne by dry method is carried out by: mixing water with calcium acetylide powder in proportion of 1.1-1.9:1, and spraying water on calcium acetylide powders in ethyne generator and hydrolyzing to generate ethyne. Calcium acetylide rate at outlet of residual slag machine is 99.5-99.85 wt%, ethyne recovery rate reaches to 98.5 wt%, water content of calcium acetylide slag is 4-12 wt%, reactive temperature is set between 87-93 deg.C and water content is 75%. It's safe, continuous, simplified and cheap.
Owner:SHANDONG XINLONG TECH

Data requirement standardization method and standardization system

InactiveCN108492028ACost savingsTotal Quality OptimizationResourcesNormalized systemsDocument preparation
The invention relates to a data requirement standardization method and standardization system. The data requirement standardization method comprises the steps that a data requirement standardization description model is created, and the data requirement standardization description model generates the description document of the business data requirements; a data source layer, a requirement model layer and an application layer are created in the data requirement standardization description model, and the data source layer converts the data assets and the data of other data sources into the understandable business data source of the business personnel; the requirement model layer performs information extraction of indicator description under each component of the data source layer and describes the algorithm and operation rules of the indicators under each component of the data source layer so as to generate the description information set of the understandable business data indicators of the business personnel; and the application layer records the combination, the presentation mode, the frequency and the path through which the indicators of the requirement model layer are convertedinto the description information of the understandable business data graphs, tables and information of the business personnel. The barriers of the business and the technology can be broken through.
Owner:徐欣

Spinning part support type corrugated pipe spinning equipment and forming method

ActiveCN104028606APrevent deformation defectsSimple structureShaping toolsSpinningIndustrial engineering
The invention discloses spinning part support type corrugated pipe spinning equipment which comprises a mandrel (2) connected onto a spinning machine spindle (1), wherein a press block (6) is arranged on a large-diameter section (3) of the mandrel (2); a small-diameter section (4) of the mandrel (2) is sleeved with a corrugated die (5); the press block (6) is tightly pressed on the outer surface of the corrugated die (5); a locking nut (7) at the tail end of the mandrel (2) is used for fixing the corrugated die (5); and the tail end of the mandrel (2) is tightly pressed and supported by a spring guide (9). The invention further discloses a corrugated pipe forming method adopting the equipment. The spinning part support type corrugated pipe spinning equipment and the corrugated pipe forming method adopting the equipment have the benefits as follows: the equipment is simple in structure and reasonable in design, the corrugation processing accuracy is high, the deformation defect of a pipe during the forming process is effectively prevented, and accordingly, the forming quality is improved; the corrugated die is suitable for processing pipes with different lengths, further, the dismounting is convenient, and the structure is firm; and besides, the circumferential weld of a product is reduced, the product quality is good, and the service life is greatly prolonged.
Owner:SICHUAN AEROSPACE LONG MARCH EQUIP MFG CO LTD

MacPherson air suspension and assembly method thereof

A MacPherson air suspension comprises a cross stabilizer bar, two strut assemblies arranged on the left side and the right side of the cross stabilizer bar, a left steering knuckle, a right steering knuckle, a left lower suspension arm, a right lower suspension arm and a left-right stabilizer bar connection push rod connecting the cross stabilizer bar and the strut assemblies. Each strut assembly comprises a front shock absorber and an air spring assembly integrated on the front shock absorber, and the front shock absorber is fastened with the lower support of the front shock absorber through bolts. The upper ends of the left steering knuckle and right steering knuckle are respectively connected with the upper portion of the lower support of the front shock absorber through ball pin fittings, the lower portions of the left steering knuckle and right steering knuckle are connected with shaft sleeve connection plates of the steering knuckles through shaft pins and are connected with the lower portion of the lower support of the front shock absorber through the shaft sleeve connection plates, and the left steering knuckle and right steering knuckle respectively form an integrated frame structure with the lower support of the front shock absorber. The central connection line of the ball joints of the ball pin fittings and the shaft sleeves of the shaft sleeve connection plates of the steering knuckles is a main pin axis a. The MacPherson air suspension can meet the requirements of an automobile under various loading conditions, and ideal comfortable ride comfort can be obtained.
Owner:柳州孔辉汽车科技有限公司

Method for processing collecting tube of heat exchanger

The invention provides a method for processing a collecting tube of a heat exchanger, which is characterized in that: 1) the collecting tube is limited between a demoulding press block and a lower base, one or more sets of punching knives are arranged in the vertical direction right above the collecting tube, and one end of the collecting tube is connected with a slide block; and 2) when the punching knives press downward, and after one or more punching holes are punched, the punching knives move upward to be lifted, the slide block drives the collecting tube to move toward the front end, by taking the hole spacing of the collecting tube as a stepping stroke, when the collecting tube reaches the punching position of the next punching hole, the punching operation is repeated until all punching holes are punched. The inside of the collecting tube is provided with a core rod in order to avoid the inward caving of the punching holes. The method has the advantages that: the operating process is simple; and the size of the punching knives can be flexibly replaced according to the actual size of the punching holes, and the hole spacing of the punching holes is adjusted by the stepping distance of the slide block, so that the method is suitable for processing collecting tubes of the heat exchangers in different specifications as well as the mechanical mass production, and simultaneously saves a great deal of mould cost, punching equipment cost and operational cost.
Owner:JIANGSU KANGTAI HEAT EXCHANGE EQUIP ENG +2

Spindle motor

The invention relates to a spindle motor, comprising an electric motor having a rotor connected to a threaded spindle, the thread of which is engaged with a thread of a spindle nut connected to a piston rod, wherein the spindle nut, along with the piston rod, is axially guided in a housing part, a guide part is connected to the spindle nut and piston rod for axially guiding the same, and wherein the threaded spindle is mounted by means of a bearing in the housing part or in a second housing part connected to the first housing part, a cooling channel being configured in the housing part, in particular a cooling channel which extends in the circumferential direction.
Owner:SEW-EURODRIVE GMBH & CO KG

Indoor test estimation method for estimating bituminous pavement rut

The invention discloses an indoor test estimation method for estimating a bituminous pavement rut. In the method, an indoor test method, a numerical analysis method and weather and traffic survey data are fully utilized, four factors, namely material parameters, deformation rules of materials, temperature conditions and traffic conditions, determining a development rule of the bituminous pavement rut are organically combined, and the depth of the bituminous pavement rut is accurately estimated. By taking Fenguan Highway in Jiangsu province as an example, the specific implementation mode is illustrated. The invention expands the conventional bituminous pavement rut estimation method, can provide scientific decision for pavement management and maintenance department, and has realistic significance of reducing the pavement test cost and maintenance cost.
Owner:NANTONG ZHONGRUN CONCRETE +1

Nonvolatile memory IP core test and verify exploitation system

The invention discloses a nonvolatile memory IP core test and verify exploitation system, which comprises a power supply module used for providing power supply for each module in the system; a NVM IP core which is an object to be tested, to be exploited and to be verified; a BIST circuit which is connected to the NVM IP core and is used for testing the NVM IP; a host computer which has test software used for controlling the BIST circuit to operate various tests; a FPGA which is connected to the NVM IP core and is used for exploiting the NVM IP core; a FPGA configuration circuit which is connected to a FPGA chip and is used for downloading and writing of a FPGA digital logic; and a FPGA peripheral circuit which is used for connecting to the FPGA chip and is used for displaying and debugging. The nonvolatile memory IP core test and verify exploitation system integrates test, exploitation and verification as one body, the NVM IP core exploitation, exploitation and verification by the client is substantially accelerated, and the time and the cost of NVM IP core client flow sheet can be saved.
Owner:SHANGHAI HUAHONG GRACE SEMICON MFG CORP

Turbine lifting device for fluidized exploitation of natural-gas hydrate

The invention discloses a turbine lifting device for fluidized exploitation of natural-gas hydrate. The turbine lifting device comprises an upper joint, a turbine pump, a bridge-type channel, a universal-shaft assembly, a turbine motor and a lower joint, wherein the upper joint is connected with the turbine pump and a sleeve; the bridge-type channel is connected with the turbine pump and the turbine motor; the upper part of the universal-shaft assembly is connected with a central shaft of the turbine motor, and the lower part of the universal-shaft assembly is connected with a central shaft ofthe turbine pump; the universal-shaft assembly is positioned in a sealing cavity of the bridge-type channel; the lower joint is connected with the turbine motor and a sleeve. The turbine lifting device disclosed by the invention has the beneficial effects that power can be provided for jet crushing and mechanical crushing of the hydrate and lifting of hydrate slurry simultaneously, so that the drilling-down time and the cost can be saved and the development period can be shortened; the turbine motor and the turbine pump are used as power and lifting equipment, so that the operation of the turbine lifting device is smooth; the gas lift effect can be achieved by utilizing the phase-stage change of the hydrate, and the energy utilization efficiency and the lifting efficiency can be improved.
Owner:SOUTHWEST PETROLEUM UNIV
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