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241results about How to "Guarantee" patented technology

Industrial control network security protection monitoring system

An industrial control network security protection monitoring system performs real-time prevention and protection on industrial equipment of the industrial control network, and realizes network security protection monitoring through an acquisition layer, an analysis layer, a function layer and a display layer based on an integrated application platform, wherein the display layer mainly displays security trend, system topology and industrial control panorama; the acquisition layer comprises the acquisition of network data traffic and the recording of industrial control network operations; the analysis layer mainly comprises data processing, data association, data aggregation, data modeling, and integrated interfaces of other function modules; and the function layer mainly comprises monitoring audit, intrusion prevention, vulnerability mining, and data isolation. The system provided by the invention protects and protects industrial equipment in real time through the intelligent protectiontechnology of the industrial network control system, monitors and audits the data information of the entire industrial control network through the monitoring and auditing technology to prevent the industrial control network from being attacked externally, and can also have the vulnerability mining function of the industrial control network to escort the entire industrial control network security.
Owner:中船重工信息科技有限公司

Remote monitoring system for lithium battery pack

The invention discloses a remote monitoring system for a lithium battery pack. The remote monitoring system comprises a lithium battery pack management system unit, a lithium battery pack information collecting and processing unit, a monitoring center server unit and a client unit, wherein, voltage, current, temperature, state of charge and fault information of the lithium battery pack is monitored and collected by the lithium battery pack management system unit in real time and then is transferred into the lithium battery pack information collecting and processing unit for data processing; then the processed data is transmitted to the monitoring center server unit through a wireless network so as to be stored; and the client unit is connected with the monitoring center server unit through Internet. The remote monitoring system can be used for solving the problems of the lithium battery pack such as low data collection efficiency, poor fault early-warning real-time property and shortage of failure analysis data in the prior art.
Owner:HEFEI GUOXUAN HIGH TECH POWER ENERGY

Processor fault injection method oriented to BIT software test and simulator thereof

The invention provides a processor fault injection method oriented to a BIT (Built-In Test) software test and a simulator thereof, wherein a hardware circuit board that runs BIT software is taken as a simulation object of the simulator. A normal function simulation module, a fault model parsing module, a fault injection module, a failure behavior simulation module and a peripheral crosslinking environment emulation module are additionally arranged in the processor fault injection method, wherein the normal function simulation module simulates the normal functions of a processor, memorizer and the like; the fault model parsing module parses a fault sequence file; and the fault injection module matches and injects a fault. The processor fault injection method compiles and parses an XML (Extensive Markup Language) fault sequence file to form the fault sequence that can be identified by the simulator by building a fault mode library, searches and injects the corresponding fault when the simulator encounters a fault observation point during the simulation process, and performs the fault simulation when the fault is triggered. The processor fault injection method and the simulator can achieve more complete types of the injected fault modes, can fully cover test cases under each failure occurrence, and can test the circuit board-level BIT software more sufficiently; in addition, only the BIT software that is tested fully can ensure the accuracy and the timeliness of BIT prediction of aeronautical airborne equipment, and further ensures the reliability and the safety of a system.
Owner:BEIHANG UNIV

Block-chain-based auction method

The invention discloses a block-chain-based auction method, and relates to the technical field of a block chain. The block-chain-based auction method includes a preparation link, an auction link and apayment link. The block-chain-based auction method is characterized by establishing a block chain for auction, putting bidders, auctioneers, subject matter, and commitment cash and cash deposit of auction into the block chain, utilizing the block chain technology, publishing and determining the bidders, the auctioneers and the subject matter through the block chain, and paying the cash deposit ofeach party to the block chain. The block-chain-based auction method can guarantee fairness of auction when no the third party credit institutions exist, can ensure that the auction result has certaincoerciveness, and at the same time can save the related notarization cost because of having no participation of the third party credit institutions.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Method and device for monitoring quality of service

The invention discloses a method and a device for monitoring quality of service, which are used for monitoring the quality of service of an application layer service, so that the service quality monitoring information of an application layer can be fed back to a network management operation / maintenance center of a mobile communication network or a user. The method for monitoring quality of service comprises the steps that a piece of user equipment (UE) determines a quality of service (QoS) requirement of the application layer service when an application layer service is initiated; the UE checks whether the QoS requirement of the application layer service is matched with a predetermined QoS capability defaulted to be born by an evolutionary packet system (EPS) or not; when the QoS requirement of the application layer is lower than the predetermined QoS requirement defaulted to be born by the EPS, the UE initiates the application layer service; otherwise, the UE requests to build EPS dedicated bearing.
Owner:DATANG MOBILE COMM EQUIP CO LTD

Intelligent detection system for rail traffic tunnel

The invention discloses an intelligent detection system for a rail traffic tunnel. The intelligent detection system comprises guide rails (2), intelligent inspection robots (3), optical fiber sensors(4), station control systems (5) and a central control system (6). The guide rails (2) are arranged on two side walls of the tunnel (1) and used for providing supporting and guiding for the intelligent inspection robots (3); the intelligent inspection robots (3) are arranged on the guide rails (2) and used for real-time monitoring of operating states of a rail traffic system; the optical fiber sensors (4) are arranged on the inner wall of the tunnel (1) and used for real-time monitoring of interior of the tunnel (1); the station control systems (5) are used for processing data transmitted by the optical fiber sensors (4) and the intelligent inspection robots (3); the central control system (6) is used for collecting early warning signals and alarm signals transmitted by each station control system (5) and transmitting to the station control system (5) of a near station. The intelligent detection system has advantages that potential safety risks in the rail traffic tunnel can be found timely and effectively, and accordingly safety and stability of a rail traffic operation system are effectively improved.
Owner:西藏谦诚信息科技有限公司

Dynamic verification method, client side, server and system

The invention discloses a dynamic verification method which is used for a client side. The dynamic verification method comprises the following steps of displaying a verification page; displaying a plurality of pictures formed by dividing a verification graph and comments for prompting the verification graph in a verification region of the verification page; recording position change operation of a user on the pictures in the verification region; generating a verification code for expressing the verification graph after the pictures of the verification graph are pieced together by the user; and submitting the verification code to a server. By the dynamic verification method, the possibility that verification passes through a machine can be reduced, and effects of dynamic verification codes are guaranteed. The invention also discloses a client side for implementing dynamic verification, a server for implementing dynamic verification and a system for implementing dynamic verification.
Owner:CHINA UNITED NETWORK COMM GRP CO LTD

Intelligent and comprehensive management system for water, electricity, gas and heat meters based on internet of things

ActiveCN102360469AGuaranteed reliabilityMeet the actual needs of comprehensive managementInstrumentsSystems managementThe Internet
The invention discloses an intelligent and comprehensive management system for water, electricity, gas and heat meters based on an internet of things, belonging to an energy source charging management system; the system comprises a plurality of water, electricity, gas and heat meters; the plurality of water, electricity, gas and heat meters are connected with a system management centre through data concentrators; the water, electricity, gas and heat meters in the system and the data concentrators form an internet of things; each one of the water, electricity, gas and heat meters is provided with a data transmission module and is capable of performing wireless or wired data transmission with the data concentrators; the data concentrators are accessed to the internet; the system management centre is used for realizing communication and data exchange with the data concentrators through the data concentrators; the system management centre is integrated with a special virtual module used for managing the functions of the water, electricity, gas and heat meters in the internet of things. The system management centre is applied in a modularization manner to enable the users to pay via a network payment platform, which optimizes the energy source charge manner.
Owner:CHENGDU QINCHUAN IOT TECH CO LTD

Modified polyactic acid composition for cigarette filter stick and preparation method thereof

The invention relates to a modified polyactic acid composition for a cigarette filter stick and a preparation method thereof. The composition comprises following parts of raw materials, by weight, 100 parts of polyactic acid, 0.02-3 parts of polyactic acid-beta-cyclodextrin, 0.08-5 parts of sodium carbonate, 0.05-5 parts of sodium pyrrolidonecarboxylate, 0.01-4 parts of vitamin and 0.01-8 parts of polyacrylamide. The filter stick prepared through the polyactic acid composition is better in absorbing performance on smoke compared with the prior art and good in comprehensive performance, and a part of indexes of the filter stick exceed those of a cellulose acetate filter stick.
Owner:马鞍山同杰良生物材料有限公司

GTiBee technology-based intelligent illumination street lamp high-efficiency and energy-saving management system and method

Disclosed is a GTiBee technology-based intelligent illumination street lamp high-efficiency and energy-saving management system and method. A wireless sensing network communication technology is utilized to connect a server and a street lamp monitoring terminal. Integrated monitoring of all parameters of a street lamp is achieved, and fine management of street lamp energy consumption, pre-diagnosis of street lamp faults, and low-cost and high-reliability centralized management of an urban street lamp system are also achieved.
Owner:GTI INT SEMICON TECH

Buoyancy-driven intelligent self-lifting communication subsurface buoy system

The invention discloses a buoyancy-driven intelligent self-lifting communication subsurface buoy system which comprises an intelligent self-lifting communication floating body, a main floating body and an anchoring system. The intelligent self-lifting communication floating body comprises a main frame, a floating body material, a communication antenna, an electronic compartment, a battery compartment, an acoustic module and a buoyancy-driven adjusting mechanism. The buoyancy-driven intelligent self-lifting communication subsurface buoy system has the advantages that the subsurface buoy system can realize real-time transmission of data of a subsurface buoy, so that timeliness of the data is guaranteed; switching of a working state of a mechanism around a density jumping layer is realized by cooperation of the buoyancy-driven adjusting mechanism and a control system, long-term working capability of the surface buoy system at low power consumption is realized, floating motion and a communication function under low ocean current are realized, overall power consumption of the subsurface buoy system is lowered, and working cycle of the subsurface buoy system is prolonged greatly; by being controlled to float and dive, the communication subsurface buoy is effectively protected from being damaged by organisms or ships on the sea, and high working reliability of the subsurface buoy is guaranteed.
Owner:INST OF DEEP SEA SCI & ENG CHINESE ACADEMY OF SCI

Similarity-based fault isolation method of train suspension system

The invention relates to a similarity-based fault isolation method of a train suspension system. The method includes taking the train suspension system as a condition monitoring and fault diagnosis object, obtaining a system output residual through analyzing the motion state during operation of a train and Kalman filtering, obtaining fault signal frequency domain information through performing fast Fourier transform on the system output residual, and calculating a similarity score of a currently detected fault and a typical fault through the Eros algorithm to determine the type and position of the current fault. The method achieves intelligent isolation of train suspension system faults and plays important roles in guaranteeing train safe operation, guiding maintenance and overhauling of the train suspension system and improving the train operating efficiency.
Owner:BEIJING JIAOTONG UNIV

Hand saw embedded with combined tool

The invention relates to a hand saw with composite tools, wherein it comprises casting front bend, support, and back bend; the up back part of front bend has horizontal chamber; the front of support is in said chamber; the up front part of back bend has horizontal chamber and the back of support is in said chamber; then two chambers are matched to form the main body of composite tools; the back of back bend has longitudinal chamber embedded with jointed turnover cover; the inner wall of cover has at least two embed grooves; the grooves are embedded with composite tool head. When using different composite tools, only needs to rotate the turnover cover when using the back pin as axle, to open the cover and take out the main body and tool head, to form different composite tools. The invention has compact structure and portable property.
Owner:邬明君

Wireless intelligent electronics drumstick for exercises

The invention discloses a wireless intelligent electronics drumstick for exercises. The drumstick comprises a drumstick body, an acceleration sensor arranged at the inner end of the drumstick body, a wireless communication module connected with the acceleration sensor, a power supply module supplying power to the wireless communication module and a user terminal in wireless connection with the wireless communication module. The acceleration sensor is used for collecting quick-stoppage data of changes of the acceleration of the drumstick body on a gravity shaft and sending the quick-stoppage data to the wireless communication module; the wireless communication module is used for receiving the quick-stoppage data and packaging the quick-stoppage data into quick-stoppage signals, and then the quick-stoppage signals are wirelessly transmitted to a user terminal; the user terminal is used for receiving the quick-stoppage signals and converting the quick-stoppage signals into corresponding sound signals. The wireless intelligent electronics drumstick can be used for exercises of real non-percussion instruments and can generate real drum or fork beating sounds by being connected with a user terminal in parallel, convenience in drumbeat and intonation correction is brought to beginners, and users can know the strength required for holding the drumstick in reality.
Owner:山西四和创想科技有限公司

Multifunctional friction wear testing device

The invention discloses a multifunctional friction wear testing device. The device comprises a workbench, a variable loading assembly, an upper friction pair assembly, a reciprocating type lower friction pair assembly, a pin disc type lower friction pair assembly, a crank disc and a spindle motor; a loading rod is fixed in the middle of a cross beam of the workbench; a roller wheel is connected tothe bottom of the loading rod; the upper friction pair component abutting against the roller wheel is arranged below the roller wheel; the upper friction pair assembly is fixed on a side surface stand column and is provided with an upper clamp used for fixing an upper sample piece; and the reciprocating type lower friction pair assembly or the pin disc type lower friction pair assembly is detachably fixed on the workbench below the upper friction pair assembly and is provided with a lower clamp used for fixing a lower sample piece. The two lower friction pair assemblies can be driven by the spindle motor and the crank disc, so that the utilization rate of equipment components is improved, and the overall cost of equipment is reduced; and multiple different friction tests can be realized,a load can be periodically changed, and a roller wheel balancing device ensures that external loading force is radially downward and acts on the upper sample piece.
Owner:HOHAI UNIV CHANGZHOU

High-altitude mooring unmanned aerial vehicle firefighting rescue system and method

The invention discloses a high-altitude mooring unmanned aerial vehicle firefighting rescue system, and belongs to the technical field of firefighting. The high-altitude mooring unmanned aerial vehicle firefighting rescue system is used for solving the technical problem that at present, high-rise firefighting rescue is difficult. The specific structure of the system comprises a high-altitude operation subsystem and a ground support subsystem; the high-altitude operation subsystem comprises a mooring unmanned aerial vehicle, a fire extinguishing unit, an environment monitoring unit and a rescuecatapulting unit, wherein the fire extinguishing unit, the environment monitoring unit and the rescue catapulting unit are located on the mooring unmanned aerial vehicle; the ground support subsystemcomprises a fire fighting vehicle, a fire extinguishing agent supply unit, a power source unit and a pipeline winding-unwinding unit, wherein the fire extinguishing agent supply unit, the power source unit and the pipeline winding-unwinding unit are installed on the fire fighting vehicle; the power source unit is connected with the mooring unmanned aerial vehicle through a mooring cable and usedfor providing a power source for the mooring unmanned aerial vehicle; the fire extinguishing agent supply unit is connected with the fire extinguishing unit through a supply pipe and used for providing a fire extinguishing agent to the fire extinguishing unit; and the pipeline winding-unwinding unit is used for conducting winding and unwinding operation on the mooring cable or / and the supply pipe.The high-altitude mooring unmanned aerial vehicle firefighting rescue system has the advantages of being long in endurance, large in carrying capacity, fast in response, safe, reliable and capable ofbeing integrated with the high-rise firefighting rescue function.
Owner:长沙市云智航科技有限公司

Electric automobile automatic charging system and method based on automatic mechanical arm

The invention relates to an electric automobile automatic charging system and method based on an automatic mechanical arm. The system comprises a stall detection device arranged under the ground of a parking space, a charging device arranged beside the parking space, the automobile-mounted mechanical arm installed on an electric automobile, a region control device which is in wireless communication connection with the charging device and the stall detection device and is used for acquiring real-time state information of the charging device and the stall detection device and controlling the charging device and the stall detection device, an automobile-mounted control device connected with the electric automobile and the automobile-mounted mechanical arm and used for acquiring real-time state data of the electric automobile and controlling the mechanical action and electrical performance of the automobile-mounted mechanical arm, and a backstage management center which is in wireless communication connection with the automobile-mounted control device and the region control device and is used for acquiring data acquired by the automobile-mounted control device and the region control device and issuing control commands. Compared with the prior art, the electric automobile automatic charging system and method have the beneficial effects that a domestic gap is filled in, and the system and method have the important significance in promotion of electric automobile technology development.
Owner:SHANGHAI INT AUTOMOBILE CITY GRP CO LTD

Unmanned aerial vehicle cruising and tracking system and method based on deep learning technology

The invention relates to an unmanned aerial vehicle cruise and tracking system and method based on a deep learning technology. The system comprises a cruise mode and a tracking mode. The cruise mode comprises an image real-time collection module, a dangerous article, dangerous behavior and dangerous personnel detection module, and an warning module which is used for warning a ground command station after discovering dangers. The tracking mode comprises a real-time video acquisition module, a detected dangerous person tracking module, a laser ranging module which is used for detecting the distance between a dangerous person and the unmanned aerial vehicle, a flight control module which adjusts the flight speed and direction of the unmanned aerial vehicle, and a data transmission module which shares the real-time position of the unmanned aerial vehicle with the ground command station and shoots videos in real time. The unmanned aerial vehicle cruise system and the unmanned aerial vehicletracking system provided by the invention are high in operation speed, high in detection precision and flexible in detection area, so that the timeliness of alarm can be guaranteed, the defects of existing monitoring can be overcome, and real-time guarantee is provided for personnel safety in areas such as squares.
Owner:AVIC JINCHENG UNMANNED SYST CO LTD

Robot management system based on material contract management and management method thereof

The invention discloses a robot system based on material contract management and a management method thereof, and belongs to the technical field of office automation. The material contract managementrobot management system mainly comprises a management robot, an operation robot, a client, an integrated data intranet, an RPA scene configuration module and a system log. A user issues a task througha client; the management robot receives the task, starts a scheduling main program, unpacks the task and puts the task into a planning pool; and the management robot calls the operation robot to complete the task according to the task type, wherein the management robot and the operation robot are both deployed on the server, and the server is accessed to the integrated data intranet, so that therobot can realize man-machine interaction with a user through a client and an intranet mail; automatic and intelligent processing of work is achieved, contract signing and settlement work efficiency is improved, contract signing duration is shortened by 70%, contract settlement efficiency is improved by 300%, and timely signing and settlement are effectively guaranteed.
Owner:STATE GRID JIBEI ELECTRIC POWER COMPANY +3

Fault processing method and device

The embodiment of the invention discloses a fault processing method and device. The method comprises: obtaining fault information sent by a monitoring system, wherein the fault information comprises a fault log and a resource type; finding a fault preprocessing scheme from an operation database established in advance according to the fault information; and sending the fault preprocessing scheme to a user terminal to allow users to determine a final fault processing scheme according to the fault preprocessing scheme and perform fault processing. According to the embodiment of the invention, a fault preprocessing scheme corresponding to the fault information is automatically found out from the operation database through the fault information sent by the monitoring system, and the fault preprocessing scheme is pushed to the user terminal, and the users can take the fault preprocessing scheme as reference basis to obtain a final fault processing scheme for processing corresponding faults and perform processing of the faults. According to the embodiment of the invention, the workers' workload is reduced, the timeliness of fault processing is guaranteed, and the work efficiency is improved.
Owner:ZHENGZHOU YUNHAI INFORMATION TECH CO LTD

Unmanned aerial vehicle side road vehicle illegal parking detection and evidence acquiring system and method

The invention relates to the field of traffic violation inspection, in particular to an unmanned aerial vehicle side road vehicle illegal parking detection and evidence acquiring system and method. The unmanned aerial vehicle side road vehicle illegal parking detection and evidence acquiring system comprises two modes of the unmanned aerial vehicle and thirteen functional modules. The first mode is an unmanned aerial vehicle inspection mode, and the mode comprises an image acquisition module, a vehicle detection module, a temperature acquisition module, a violation determination module, and aflight control module. The second mode is an unmanned aerial vehicle evidence acquiring mode, which is triggered by an unmanned aerial vehicle when an illegal parking phenomenon is detected in the inspection mode, and comprises an image acquisition module, a camera holder control module, an evidence acquiring point positioning module, a flight control module, a license plate detection module, a license plate detection failure determination module, a license plate recognition module, and an information packaging and sending module. The unmanned aerial vehicle side road vehicle illegal parking detection and evidence acquiring system provided by the invention is high in operation speed, high in detection precision and flexible in detection area, can guarantee the timeliness of road inspection, and provides guarantee for traffic convenience and traffic safety of residents.
Owner:AVIC JINCHENG UNMANNED SYST CO LTD

Biopsy rotary cutting device

The invention provides a biopsy rotary cutting device, which comprises a dynamic sealing structure arranged on the outer side of an inner cutter tube; the dynamic sealing structure forms a cavity outside the inner cutter pipe; the inner cutter pipe comprises a first pipe section and a second pipe section, wherein the outer diameter of the second pipe section is smaller than the outer diameter of the first pipe section; a sealing ring is arranged in the dynamic sealing structure; the cavity comprises a first cavity and a second cavity; when the inner cutter pipe moves to a first position alongthe axial direction of the inner cutter pipe, the sealing ring is positioned at the outer side of the second pipe section; an inter-cavity gap is formed between the sealing ring and the second pipe section so as to communicate the first cavity and the second cavity. According to the biopsy rotary cutting device, the atmosphere can be introduced to form the circulating airflow with better suction strength; the circulating airflow can more efficiently send the rotary-cut tissue of the corresponding position to a sample collector at the rear end, so that the sample yield is effectively improved.
Owner:ACCUTARGET MEDIPHARMA (SHANGHAI) CO LTD

Method for planting oleaster afforestation forest in saline and alkaline land

InactiveCN103718816ADry protectionGuaranteeHorticultureAlkali soilShoot
The invention relates to the technical field of planting protection forests in saline and alkaline lands, in particular to a method for planting an oleaster afforestation forest in a saline and alkaline land. The method comprises the steps that firstly, upright tall straight elaeagnus oxycarpa is selected and serves as seed trees, cuttings are obtained from the elaeagnus oxycarpa seed trees through shearing and dipped through ABT 6 rooting powder before cuttage, and elaeagnus oxycarpa shoots are cultivated through the cutting seedling method; secondly, growth of trunks of the elaeagnus oxycarpa shoots is promoted through nutrient and water management, so that the shoots with the trunks upright, tall and straight are cultivated; thirdly, the elaeagnus oxycarpa shoots are transplanted to the coast saline and alkaline land according to an appropriate method and appropriate density. A new salt-tolerant and high-quality oleaster strain suitable for being planted in the yellow river delta region is screened and cultivated through natural screening and artificial induced mutation screening, combined with the characteristics of oleaster, salt-tolerant oleaster seedlings suitable for being appreciated and beautiful in tree appearance are cultivated through reasonable cultivation measures, the high-quality salt-tolerant seedlings are supplied to the yellow river delta region, and common non-salt-tolerant landscape plants are replaced by the high-quality salt-tolerant seedlings.
Owner:SHANDONG NORMAL UNIV

Air-aspiration type disseminator with circumferential holes

The invention relates to an air-aspiration type disseminator with circumferential holes, and relates to the technical fields of seeding machines and seeding units. The air-aspiration type disseminator with the circumferential holes comprises a seeding wheel which is assembled on a central spindle, a row of seeding holes are formed on the external circumference of the seeding wheel, and are communicated with the inner cavity of the seeding wheel through air passages, the inner cavity of the seeding wheel forms a negative pressure chamber, and the negative pressure chamber is communicated with a negative pressure pipeline; a fixed air cut valve which can seal the seeding holes to seed is also arranged in the inner cavity of the seeding wheel; and the external circumference of the seeding wheel is matched and communicated with a seed box. The air-aspiration type disseminator has a simple structure and good reliability, not only can ensure reliable and sufficient seed sucking, quick and reliable seeding and no damaged seeds and seed blockage, but also can prevent missed seeding due to blocked air holes, and an air chamber has good sealing performance and smaller frictional resistance, so the disseminator is low in energy consumption; and the planting and spacing of crops are ensured, thinning is not required during the later period, so the labor intensity is reduced, the effects of protecting seedlings, cultivating strong seedlings and increasing yield and gains are realized.
Owner:河北省农业机械化研究所有限公司

Activated carbon production equipment and method for applying the equipment to production of activate carbon, pyroligneous liquor, tar and wood gas

The present invention relates to an activated carbon production equipment and a method for applying the equipment to production of activate carbon, pyroligneous liquor, tar and wood gas, including a steam generation device (1), a high-temperature pyrolysis reaction device (2), and an integrated condensing device (3), with the above equipments intercommunicated in turn. The integrated condensing device (3) is equipped with a condensate collector (306) and a non-condensable gas collector (309), and the non-condensable gas collector is communicated with the high-temperature pyrolysis reaction device (2). The equipment provided by the present invention recycles and develops the waste gas produced in the process of activate carbon production while producing activate carbon, which improves the value added of activate carbon production with energy conservation and reduction of raw material consumption, resolving the problem of environment pollution in the process of activated carbon production.
Owner:NORTHWEST A & F UNIV

Pipeline inner wall clearing device used for pipeline repairing through insertion method

The invention relates to the technical field of pipeline repairing, in particular to a pipeline inner wall clearing device used for pipeline repairing through an insertion method. The pipeline inner wall clearing device comprises a shell, a traction rope is arranged at one end of the shell, two sets of distance adjusting mechanisms are arranged on the circumferential surface of the shell, a plurality of high-pressure nozzles are arranged on the circumferential surface of the shell, the shell is internally provided with a water supply pipe communicating with all the high-pressure nozzles, and the distance adjusting mechanisms are located at the two ends of the shell correspondingly; and each distance adjusting mechanism comprises a plurality of supporting rods arranged on the outer circumferential surface of the shell, one end of each supporting rod is hinged to the shell mutually, the other end of each supporting rod is rotationally connected with a supporting wheel, an auxiliary supporting rod is further arranged on each supporting rod, one ends of the auxiliary supporting rods are connected with the supporting rods, sliding blocks are hinged to the other ends of the auxiliary supporting rods, an outer thread is formed on the outer circumferential surface of the shell, and the outer circumferential surface of the shell is in threaded connection with clamping rings for limitingthe sliding positions of the sliding blocks. The pipeline inner wall clearing device has the effects that the physical output of labor is reduced, and the cleaning efficiency to the inner wall of a pipeline.
Owner:北京易成市政工程有限责任公司

Method for quickly making hot beverage by food processor

The invention provides a method for quickly making a hot beverage by a food processor. The food processor comprises a machine base, a stirring cup arranged on the machine base and a stirring knife arranged in the stirring cup, wherein a motor and a control unit are arranged in the machine base. The food processor further comprises a heating device. The method comprises the steps: at the first heating stage, heating pulp in the stirring cup by full-power operation of the heating device; at the crushing stage, driving the stirring knife to rotate by the motor and stirring and crushing the pulp in the stirring cup; at the boiling stage, controlling the heating device to operate in a non-full power way by the control unit and boiling the crushed pulp in the stirring cup. The method further comprises the steps: at the stirring and cooling stage, controlling the motor to drive the stirring knife by the control unit to rotate at a rotating speed V1, and stirring and cooling the pulp, wherein2000 rpm <=V1 <= 7800 rpm, the stirring and cooling stage is set after the first heating stage and before the crushing stage, so that the heated pulp is rapidly cooled, and the pulp is prevented fromoverflowing in the high-speed crushing process.
Owner:JOYOUNG CO LTD

Remained small coal pillar comprehensive mechanized coal mining supporting structure and construction method

The invention discloses a remained small coal pillar comprehensive mechanized coal mining supporting structure and a construction method. The remained small coal pillar comprehensive mechanized coal mining supporting structure and the construction method comprises a narrow coal pillar arranged between a current stope working face and an adjacent stope working face, one side of the narrow coal pillar is provided with a filling body, and the adjacent stope working face is also provided with a roof presplitting cutting line; the construction method of the remained small coal pillar comprehensivemechanized coal mining comprises the following steps that before the coal mining, an air return way, a haulage gate, and an auxiliary haulage gate are constructed; the roof presplitting cutting line of the current stope working face is constructed in the auxiliary haulage gate; then the filling body is constructed synchronously with a head coal mining. The remained small coal pillar comprehensivemechanized coal mining supporting structure and the construction method solves the problems of gangue darting into a lane in a worked out section, roof bolting accident of the auxiliary transport chute, and the leakage of the narrow coal pillar in the current stope working face; and the mining influence to the auxiliary transport chute caused by the stope working face is weakened, cost of maintenance of the lane is reduced, and recovery coefficient of coal resource is enhanced; and the remained small coal pillar comprehensive mechanized coal mining supporting structure and the construction method can be applied to most geological mining conditions and has a great significance to promote and achieve safe and efficient mining of coal mine.
Owner:SHAANXI COAL & CHEM TECH INST

Carbon fiber composite material propeller pressing molding process

The invention discloses a carbon fiber composite material propeller pressing molding process, which comprises: S1, selecting a carbon fiber prepreg, controlling a press molding environment, and inspecting and treating a mold; S2, testing the compressive thickness, the fiber content, the temperature curve and the molding surface of the carbon fiber prepreg; S3, molding a propeller billet mold by using a prepreg pressing molding process; and S4, continuously adhering the carbon fiber prepreg on the surface of the billet mold, and carrying out pressing molding again to prepare the composite material propeller. According to the present invention, with the carbon fiber composite material propeller pressing molding process, the composite material propeller pressing molding is divided into two molding, the first molding uses the prepreg pressing molding process to mold the propeller billet mold, the prepreg is continuously adhered on the surface of the billet mold, and the pressing molding isperformed again to prepare the composite material propeller, such that the strength of the product can be ensured, the precision of the product can be ensured, and the molded product has advantages of good integrity, small molding value deviation, stable process, high strength and high propulsion efficiency.
Owner:武汉源海博创科技有限公司 +1
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