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143results about How to "Reduce the risk of downtime" patented technology
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Distributed metadata management method and system
InactiveCN103729436AImprove efficiency and stabilityReduce the risk of downtimeSpecial data processing applicationsDatabase design/maintainanceData verificationMultiple copy
Owner:INST OF INFORMATION ENG CAS
Spark memory computing big data platform-based CLR multi-label data classification method
ActiveCN106528874ASave storage spaceReduce the risk of downtimeData miningFile/folder operationsData setMulti-label classification
The invention provides a Spark big data platform-based CLR multi-label classification method, and relates to a data mining technology. Each data set is divided into an area through a relationship between characteristics and labels; one part of data sets are randomly extracted from the data sets in a training set as test sets; base classifiers are built by the remaining data sets as the training set; and the test sets are used for testing a classifier and modifying parameters of the base classifiers thereof, thereby selecting the best base classifier from multiple trained base classifiers as the base classifier of the data set. A prediction set is predicted by using the final base classifiers. A CLR multi-label learning algorithm is combined with a memory-based efficient computing theory of Spark, no correlation after label transformation in a CLR algorithm is fully utilized, the interference among different base classifiers is reduced, the operating speed of a computing framework of the Spark is fully utilized and data can be effectively mined.
Owner:CHONGQING UNIV OF POSTS & TELECOMM
Medical equipment repairing system based on WeChat official platform and operation method thereof
PendingCN109859829AAdjustable layoutAdjustable orderMedical equipmentRecord carriers used with machinesMedical equipmentComputer terminal
The invention discloses a medical equipment repairing system based on a WeChat official platform and an operation method thereof. The medical equipment repairing system includes a hospital user terminal, an engineer terminal, a communication platform, a QR-code generation client, a database, a seat customer service terminal, and a data processing server, wherein the communication platform is usedfor connecting the hospital user terminal, the engineer terminal, and the data processing server to enable the hospital user terminal, the engineer terminal, and the data processing server to communicate with each other; the QR-code generation client is used for encoding each equipment according to the hospital equipment information or automatically encoding the system, then generating an equipment QR-code according to the code while performing group coding on the group of equipment, and then generating the equipment group QR-code at the same time; the database is used for storing data; the seat customer service terminal is used by staff service, accesses staff service, can communicate with the data processing server to obtain the repair information, and can communicate with the hospital user terminal and the engineer terminal; and the data processing server is used for data management and communication management.
Owner:上海悦米信息技术有限公司
Server error diagnosis method based on supervised learning
InactiveCN108710555AReduce the risk of downtimeFlexible testing methodsDetecting faulty hardware using neural networksHardware monitoringDiagnosis methodsSupervised learning
The invention discloses a server error diagnosis method based on supervised learning. The method specifically includes: utilizing massive fault information to train a supervised-learning model to generate a fault prediction model, and utilizing a fault prediction model for prediction analysis on errors of a server. According to the server error diagnosis method based on supervised learning of theinvention, limitation of traditional methods of setting thresholds to detect faults is broken, a highly efficient algorithm is utilized to automatically analyze and predict log contents, time costs ofmanual server fault diagnosis are released, and fault levels are fully automatically analyzed and predicted.
Owner:ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
Customer service system and customer service method thereof
ActiveCN104754153AReduce the risk of downtimeSave time for handling or consulting businessSpecial service for subscribersComputer networkComputer terminal
The present invention discloses a customer service system and a customer service method thereof. The method comprises: when a call request from a user terminal is received and an idle seat is not detected, sending prompt information to the user terminal so as to prompt a user of the user terminal to send down a service request; receiving and storing the information of the service request from the user terminal; when the idle seat is detected, distributing the stored information of the service request to the idle seat so that the idle seat responds to the service request; and sending the received idle seat to the user terminal in accordance with the service response information of the service request.
Owner:CHINA MOBILE GROUP SICHUAN
Data processing system and method and device for resource recovery after thread crash
ActiveCN104461862AReduce the risk of downtimeImprove operational reliabilityResource allocationSoftware testing/debuggingData processing systemResource recovery
The invention provides a data processing system and method and device for resource recovery after thread crash. The method for resource recovery after thread crash comprises the steps that every record in a resource information record chart is traversed, wherein one record of the resource information record chart stores the resource metadata of one source and thread information of threads using the resource; the resource metadata of the resource used by the crashed thread are determined according to the traversal result; the resource metadata of the resource used by the crashed thread are inserted into a resource distribution queue so as to be redistributed to the thread. By means of the scheme, the resource information of the resource used by the crashed threads can be determined, the resource metadata of the resource used by the crashed thread are inserted into the resource distribution queue so as to be redistributed to the restarted thread, no high expense is caused to other threads in the system, the crashed thread and the corresponding resource can be restarted rapidly, the risk of system crash is reduced, and operating stability is improved.
Owner:CHINA STANDARD SOFTWARE
Electric transmission line project foundation prefabricated construction method
ActiveCN108149703AReduce field construction proceduresReduce the amount of field construction workCeramic shaping apparatusFoundation engineeringTerrainMovable type
The invention provides an electric transmission line project foundation prefabricated construction method. The electric transmission line project foundation prefabricated construction method comprisesthe steps of a construction preparation stage, foundation prefabricated construction, prefabricated foundation transporting, excavation of a foundation pit and construction of an under layer, foundation hoisting in position, foundation backfilling and the like. The construction preparation stage comprises the steps of field selection, manufacturing of a movable type construction platform, manufacturing of a template, manufacturing of a suspension center pre-buried piece, hoisting of a steel wire rope and the like. The foundation prefabricated construction comprises the steps of preparation, mounting of inserting angle iron, rib braiding and template erecting, pouring, foundation identification, transferring and maintenance of the prefabricated foundation, quality detection of raw materials and concrete and the like. The prefabricated field in the construction method is fixed, the reshipment quantity of the construction raw materials, equipment and instruments are reduced, wear and loss in the reshipment process of the materials and the instruments are reduced, interference of outside factors is eliminated, resource investment is reduced, the influence of terrain to construction iseliminated, the operation frequency and time in the foundation pit are decreased, construction potential safety hazards are lowered, and the labor condition is improved.
Owner:POWER CHINA HENAN ENG CO LTD
Gas turbine energy saving type incoming gas anti-icing apparatus
ActiveCN103573413AImprove energy savingAvoid frostGas turbine plantsJet propulsion plantsFrostUnit operation
The present invention discloses a gas turbine energy saving type incoming gas anti-icing apparatus, provides improvement on the existing gas turbine air compressor inlet air anti-icing apparatus, and relates to the technical field of non-variable-capacity engines, heat exchange and pipeline systems. The gas turbine energy saving type incoming gas anti-icing apparatus is characterized in that the mixing heating device structure is that multi-row mixing heating alignment pipes (11) are aligned in a parallel manner, both ends of the mixing heating alignment pipes (11) are connected with connection boxes (10), one ends of the connection boxes (10) on both ends of the alignment pipes are communicated to form an n shape, the middle portion of the communication edge of the n-shaped connection box (10) is connected with a wind outlet pipe of an induced fan, the n-shaped connection box and the horizontal plane form downward inclination with an angle of 1-3 DEG along the air flow direction, and the lowest end bottom is provided with a tiny connection box low point drainage hole (12). According to the present invention, gas turbine unit power loss caused by the anti-icing system can be reduced, adverse effects of the anti-icing system on gas turbine unit operation stability can be reduced, and effects of anti-icing, frost prevention and energy saving are provided.
Owner:PIPECHINA SOUTH CHINA CO
Smart appliance control system and control method thereof
InactiveCN108650311AReduce the risk of downtimeRelieve stressSubstation equipmentHome automation networksControl systemEngineering
The invention provides a smart appliance control system and a control method thereof. The smart appliance control system comprises a smart device, at least one smart appliance, at least one mobile terminal and a cloud server; the mobile terminal is used for determining whether being located in the same local area network with the smart device when receiving a control command sent by a user, if so,sending the control command to the smart device, and otherwise, building a short connection with the cloud server, sending the control command to the cloud server and then disconnecting the short connection with the cloud server; the cloud server is used for receiving the control command sent by the mobile terminal and sending the control command to the smart device; and the smart device is usedfor controlling the smart appliance corresponding to the control command according to the control command when receiving the control command sent by the mobile terminal or the cloud server. With the system and the method provided by the invention, pressure on the cloud server generated when synchronously processing interaction data can be relieved.
Owner:SICHUAN HONGMEI INTELLIGENT TECH CO LTD
Distributed management system and service load balancing method thereof
InactiveCN102185902AImprove processing efficiencyLoad balancingTransmissionInformation processingWeb service
The invention discloses a distributed management system, which comprises a WEB server, front-end middleware and at least two background servers, wherein the front-end middleware communicates with the WEB server and the background servers respectively; the WEB server receives a service request, and transmits the received service request to the front-end middleware; transaction middleware is arranged in the background server, different service systems are attached into the transaction middleware, and corresponding service systems are called to finish service processing according to the service request; the WEB server is connected with one of the at least two background server by the front-end middleware; and a configuration file is stored in the front-end middleware, and is used for storing the information of the background server not connected with the front-end middleware and the information of the service systems. The invention also provides a service load balancing method for the distributed management system. By the system and the method, the distributed deployment and calling of the background servers are realized, the different service systems are stored in each background server so as to realize load balance, access pressure on a single background server is reduced, the information processing efficiency is improved, and the downtime risks are reduced.
Owner:北京思特奇信息技术股份有限公司
Vehicular automatic transmission
InactiveCN1991202AShorten the lengthReduce the risk of downtimeGearboxesToothed gearingsAutomatic transmissionCoupling
Owner:TOYOTA JIDOSHA KK
Log data processing method and system
ActiveCN108388478ARelieve stressReduce lossInterprogram communicationSpecial data processing applicationsMessage queueData center services
The invention relates to a log data processing method and system. The method comprises the following steps of: creating a plurality of log data reading instances corresponding to a message queue in adata center server; from a second preset time, opening the created log data reading instances in sequence by taking a preset time period as an interval; respectively reading log data from the messagequeue through the log data reading instances which are opened in sequence; and after the read log data is stored persistently, closing the log data reading instances which read the log data until thelog data in the message queue is completely read. By adoption of the method, the condition that the log data is lost in the transmission process can be decreased.
Owner:PINGAN PUHUI ENTERPRISE MANAGEMENT CO LTD
Twemproxy-based Redis cluster method
InactiveCN108259252APreliminary test stability is goodReduce the risk of downtimeData switching networksDowntimeClient-side
The invention discloses a twemproxy-based Redis cluster method, and relates to the field of cache formation. The twemproxy-based Redis cluster method comprises the following steps: a service party requests a connection through a redis client to send data; an Lvs performs four-layer load, and transmits the load to an Lvs host after receiving a client request; after receiving the request, the Lvs sends the data to a twemproxy host according to a load rule; the twemproxy finds a redis host according to a fragmentation rule allocated by the client after receiving the request and sends data; and after receiving the request, the Redis host stores the data and synchronizes to a slave and returns the data. The invention proposes a new redis cluster solution based on the twemproxy redis cluster solution. The current online environment preliminary test has good stability, has certain disaster tolerance, reduces the server downtime risk, and is suitable for redis-dependent distribution environment.
Owner:SICHUAN CHANGHONG ELECTRIC CO LTD
Method for improving memory reliability through fault isolation technology
InactiveCN105976868AImprove reliabilityReduce the risk of downtimeStatic storageMemory faultsEconomic benefits
The invention discloses a method for improving memory reliability through fault isolation technology. The method uses a test program to dynamically add Cell address information that is about to deteriorate during use to the "failure address list" after DRAM particles leave the factory. In ", let the memory controller not access this address space, thereby prolonging the service life of the memory system. The method of the invention can achieve the purpose of improving the reliability of the memory system, reduce the risk of system downtime due to memory failure, reduce the failure caused by memory, improve product competitiveness, and have obvious economic benefits.
Owner:LANGCHAO ELECTRONIC INFORMATION IND CO LTD
Symmetric built-in anaerobic membrane bioreactor
ActiveCN105347475ASimple structureEven distribution of waterTreatment with anaerobic digestion processesReaction rateAnaerobic reactor
The invention provides a symmetric built-in anaerobic membrane bioreactor. The symmetric built-in anaerobic membrane bioreactor comprises a shell, the inside of the shell is divided into a packing area and a membrane area by a separator plate, a packing is arranged in the packing area, a sieve mesh feeding water distributor is arranged above the packing, wastewater flows through the packing and then enters the membrane area, a baffle plate is arranged in the membrane area and divides the membrane area into a circulation area and a mud-water separation area, a membrane module is arranged in the mud-water separation area, a perforated aeration tube is arranged under the membrane module, and the upper side of the membrane module is provided with a water outlet tube. The symmetric built-in anaerobic membrane bioreactor has the advantages of simple structure, unkeeping convenience, uniform water distribution, low energy consumption, high treatment efficiency, fast reaction rate, effective delaying of membrane pollution, effective retention of granular sludge, and high integration of an anaerobic reactor and the membrane module.
Owner:DONGHUA UNIV
Automatically-welded adjustable adaptive conducting brush device
PendingCN108134292AAvoid entanglement and interferenceReduce risk of downtimeRotary current collectorConnection contact member materialBrush deviceEngineering
The invention discloses an automatically-welded adjustable adaptive conducting brush device. The automatically-welded adjustable adaptive conducting brush device comprises a fixing base, an adjustingscrew rod, a contact and a conducting mandrel; the fixing base is fixedly connected with a shell of a rotary table or a positioned; the adjusting screw rod is of a tubular structure, transversely penetrates through the fixing base and is in threaded connection with the fixing base; one end of the contact abuts against a rotating head of the rotary table or the positioned, and the other end of thecontact is arranged on one side of the interior of the adjusting screw rod; and the conducting mandrel is arranged on the other side of the interior of the adjusting screw rod, one end of the conducting mandrel abuts against the other end of the contact, and the other end of the conducting mandrel protrudes to the adjusting screw rod and is grounded through a ground wire. According to the automatically-welded adjustable adaptive conducting brush device, the adaptive conducting brush device is connected with the rotating head through the ground wire, therefore, the ground wire can rotate alongwith one end of the rotary table or the positioned, winding and interference are avoided, the stop risk generated during welding is reduced, and the welding efficiency and quality are improved.
Owner:SHANGHAI FANUC ROBOTICS
Adjusting method and system for generating power of wind generation set, medium and electronic equipment
InactiveCN111456898AReduce power generationReduce the risk of downtimeWind motor controlMachines/enginesEngineeringAtmospheric sciences
The invention discloses an adjusting method and system for generating power of a wind generation set, a medium and electronic equipment. The adjusting method comprises steps as follows: acquiring thecurrent wind speed; calculating current turbulence intensity according to the current wind speed; detecting current generating power of the wind generation set exceeds a preset power threshold value or not if the current turbulence intensity exceeds preset critical turbulence intensity; and reducing the generating power by reducing electromagnetic torque of the wind generation set if the current generating power of the wind generation set exceeds the preset power threshold value. When the wind speed changes rapidly, the generating power of the wind generation set is reduced by reducing the torque, so that the shutdown risk of the wind generation set due to the fact that the generating power exceeds the limit is greatly reduced, and the generating capacity is effectively improved.
Owner:SHANGHAI ELECTRIC WIND POWER GRP CO LTD
Centrifugal pump type water jetting propulsion amphibious device and work method thereof
InactiveCN105034727AAchieve steeringRealize functionAmphibious vehiclesPropulsive elementsDrive wheelDrive shaft
The invention relates to a centrifugal pump type water jetting propulsion amphibious device. The amphibious device is provided with a centrifugal pump type water jetting propulsion device. The water jetting propulsion device comprises a wheel frame, a transmission shaft, a driving wheel, a centrifugal pump shell and a centrifugal structure. The wheel frame is installed on the lower portion of the amphibious water jetting propulsion device and rotationally provided with the transmission shaft. The driving wheel is coaxially installed at the outer end of the transmission shaft in a driving mode. The transmission shaft drives the driving wheel to rotate. The centrifugal pump shell and the centrifugal structure are coaxially installed on the transmission shaft. The transmission shaft drives the centrifugal structure to rotate coaxially so that water flow can be driven to make centrifugal movement. The centrifugal pump shell and the wheel frame are relatively static. The centrifuged water flow is output through the centrifugal pump shell in a steering mode. The centrifugal pump type water jetting propulsion amphibious device is simple in structure, easy and convenient to maintain, convenient to obtain and capable of achieving the water wading and crossing functions.
Owner:朱沫
Root cause analysis of failure to meet communication requirements in a process control system
ActiveUS10505786B2Reduce the risk of downtimeReducing downtime actual downtimeFault responseMultiple digital computer combinationsControl systemRoot cause
A method for locating a possible root cause of system discrepancy in a process control system uses a system model including software representations of process control endpoint devices interconnected via a communication network using a number of links, where each link is provided for communication in relation to a process control function between two endpoint devices and includes a set of communication network elements and a reference to a set of communication parameters of the process control function. In the method an indication that at least one communication parameter deviates from a communication requirement is obtained, a link where reference is made to the communication parameter identified, communication network elements contributing to the functioning of the link identified and at least one of the communication network elements indicated as a possible cause of the deviation.
Owner:ABB (SCHWEIZ) AG
Redundancy switching method for industrial gateway, industrial gateway and storage medium
ActiveCN112887133AAchieve redundancyImprove switching flexibilityError preventionNetwork connectionsComputer networkData acquisition
The invention discloses a redundancy switching method for an industrial gateway, which comprises the following steps: acquiring slave station data, analyzing the own fault level according to the acquired slave station data, and sending time synchronization information to a standby gateway, judging whether the first working state needs to be switched to the second working state or not according to the number and / or distribution of communication fault slave stations of all gateways, and if the second working state is not switched, reporting slave station data which are successfully collected to a controller; and sending a supplementary acquisition notification of the slave station address with the data acquisition fault to the standby gateway in the second working state, so that the maximum redundancy of a plurality of gateways is realized. The standby gateway can carry out auxiliary acquisition and can be switched to the main working state according to the fault condition, and the switching flexibility of the industrial gateway redundant system is improved. And the reliability and workability of the system are improved.
Owner:杭州康吉森自动化科技有限公司
Data processing method, server cluster and storage medium
ActiveCN109818785AReduce the risk of downtimeReduce labor costsData switching networksNetwork dataDistributed computing
The invention relates to a data processing method, a server cluster and a storage medium, and belongs to the technical field of cloud computing. The method is applied to a server cluster, the server cluster comprises a first node server and a second node server, and the method comprises the following steps: when the first node server determines that second network data of the second node server meets a preset abnormal condition, the first node server judges whether the first network data of the first node server meets the preset abnormal condition or not; If not, the first node server obtainsfirst configuration information of at least one second virtual machine deployed on the second node server from the cluster database; And the first node server evacuates at least one second virtual machine deployed on the second node server to the first node server for reconstruction based on the first configuration information. According to the method, when cloud platform nodes break down, affected virtual machines can be automatically evacuated to other healthy nodes for reconstruction, and manual intervention is not needed in the whole process.
Owner:WUXI CHINAC DATA TECH SERVICE
Resource scheduling method and device
ActiveCN106155793AImprove reliabilityAvoid problems caused by low resource utilization parametersProgram initiation/switchingHardware monitoringScheduling instructionsResource utilization
The invention discloses a resource scheduling method and device. The method includes the steps that health status information of all hosts in a current environment is monitored and input in a pre-defined health status data model to obtain health status data of all the hosts; resource utilization rate data of all the hosts in the current environment is acquired; the hosts with the health status data and the resource utilization rate data being within a preset range are screened out to serve as standby hosts, and a scheduling preparation instruction is generated; the resource utilization rate data and the health status data serve as reference objects, target hosts are selected from the standby hosts, the target hosts are added into a target host list, and a scheduling instruction is generated in combination with resource scheduling information; the resource scheduling process is executed according to the scheduling instruction. From the top, the health status data and the resource utilization rate data of the hosts are comprehensively considered, the problems caused by the fact that only the parameter of the low resource utilization rate is considered can be effectively avoided, the reliability of resource scheduling is improved, and the risk of a crash is reduced.
Owner:INSPUR BEIJING ELECTRONICS INFORMATION IND
Metadata reading method and device, metadata updating method and device, and storage device
PendingCN112559560AReduce the risk of downtimeReduce overheadDigital data information retrievalSpecial data processing applicationsDatabaseData bank
The invention provides a metadata reading method and device, a storage medium and electronic equipment, and relates to the technical field of data management. The metadata reading method comprises thefollowing steps: querying metadata in a local cache in response to a metadata reading request sent by an application end; if the metadata is not queried in the local cache, querying the metadata in aremote cache; if the metadata is not queried in the remote cache, querying the metadata in a remote persistent database; and reading the metadata obtained by query. The network bottleneck problem caused by obtaining metadata through remote calling under high concurrency and large flow can be solved, and the query speed and efficiency are improved.
Owner:BEIJING JINGDONG ZHENSHI INFORMATION TECH CO LTD
Token-based system flow control method and device, electronic equipment and storage medium
ActiveCN109412967APrevent avalancheImprove experienceData switching networksReal-time dataData stream
The invention provides a token-based system flow control method and device, electronic equipment and a storage medium. The token-based system flow control method includes: receiving quasi flow controlconfiguration items configured by a first authority account, wherein the quasi-flow control configuration items include at least token pool information, a token pool flow control manner and a token pool flow control type; using the quasi-flow control configuration items as flow control configuration items after determination from a second authority account; and determining request quantity and concurrence quantity according to the flow control configuration items and real-time data flow for system flow control. The method and the device provided by the invention ensure stability of a system,reduce downtime risks, enhance robustness of services, and improve user experience.
Owner:JIANGSU MANYUN SOFTWARE TECH CO LTD
Safe update method and device for cooling strategy configuration, and controlled terminal
InactiveCN108920979AReduce the risk of downtimeSecurity checkDigital data protectionSoftware deploymentProportion integration differentiationBaseboard
The embodiment of the invention provides a safe update method and device for cooling strategy configuration, and a controlled terminal. The method comprises the following steps that: obtaining and encrypting a cooling strategy parameter configuration file; uploading and decrypting the encrypted cooling strategy parameter configuration file to a BMC (Baseboard Management Controller); and updating the cooling parameter to a new cooling strategy parameter configuration file, and executing parameters in the new configuration file by the BMC. By use of the method, when a cooling engineer needs to revise and update the PID (Proportion Integration Differentiation) speed regulation parameter and the linear speed regulation parameter of the temperature of an air inlet, the encryption certificate ofa current server manufacturer is used for encryption, corresponding certificate decryption is carried out in the BMC so as to achieve the safe verification of the configuration file, finally, only the correct cooling strategy configuration file is generated, illegal personnel can be prevented from tampering the configuration file, and the risk of server crash is lowered.
Owner:ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
VRV device for machine room
PendingCN110986406ALower condensation temperatureReduce the risk of downtimeMechanical apparatusSpace heating and ventilation safety systemsRefrigerationRefrigerant
The invention relates to a VRV (Variable Refrigerant Volume) device for a machine room, a control method and a system. The VRV device comprises an inverter compressor, an air-cooled condenser, a water-cooled heat exchanger, a water-cooled electromagnetic valve, an air-cooled electromagnetic valve, a temperature sensor and a plurality of tail ends, and the water-cooled electromagnetic valve is arranged on a pipeline for communicating the inverter compressor with the water-cooled heat exchanger; the air-cooled electromagnetic valve is arranged on a pipeline for communicating the inverter compressor with the air-cooled condenser; the tail ends respectively communicate with the outlets of refrigerants in the water-cooled heat exchanger and the air-cooled condenser through pipelines, and the temperature sensor is arranged outdoors and is used for measuring the temperature of outdoor air. The refrigeration efficiency of the tail ends is improved, and the shutdown risk of the VRV is reduced;operation deviation of the refrigeration system from the operation curve of the system is reduced, service life reduction of refrigeration components is reduced, and the advantages of improving the efficiency of the refrigeration system and reliability of the refrigeration system are achieved.
Owner:YIMIKANG TECH GRP CO LTD +1
Seat data processing method and device, and seat data querying method and device
ActiveCN106407192AReduce dependenceReduce the number of data fetchesWeb data indexingReservationsThird partyData set
The invention relates to a seat data processing method and device, and a seat data querying method and device. The seat data processing method includes: receiving an occupied seat querying request sent by a user side; responding to the occupied seat querying request, and detecting whether a condition that data is cached in an occupied seat cache and the valid date of the cached data is not out of date is met or not; reading an occupied seat data set from the occupied seat cache if so, and returning the occupied seat data set to the user side; and fetching an occupied seat data set from a third part seat data server so as to return the occupied seat data set to the user side if not, and updating the occupied seat cache and the valid date according to the fetched occupied seat data set. The seat data processing method and device and the seat data querying method and device can decrease the load of the third party seat data server, and then lower the downtime risk.
Owner:TENCENT TECH (SHENZHEN) CO LTD
Monitoring device for main bearing of shield tunneling machine
PendingCN109915492AReduce the risk of downtimeEnsure construction safetyBearing assemblyAxial displacementShield tunneling
The invention relates to the technical field of shield tunneling construction equipment installation, in particular to a monitoring device for a main bearing of a shield tunneling machine. The monitoring device for the main bearing of the shield tunneling machine comprises a through hole formed in a main drive large flange plate of the shield tunneling machine, wherein a sensor provided with a detection head close to an inner ring of the main bearing and used for acquiring an axial displacement signal of the main bearing is arranged in the through hole. Through the sensor, the displacement amount of the axial displacement of the main bearing is monitored, so that whether the axial clearance exceeds the standard or not is monitored so as to judge whether the main bearing is severely worn, the fault of the main bearing is predicated in advance, the risk of shut down due to the fault of the main bearing is reduced, the construction safety is ensured, and the construction efficiency is improve. Meanwhile, a nylon sleeve for protecting the sensor is arranged on the sensor in a sleeving way.
Owner:CHINA RAILWAY HI TECH IND CORP LTD +1
Jacking device for replacing saddle arm of rotating bearing of continuous casting rotating table and construction method of jacking device
The invention relates to a jacking device for replacing a saddle arm of a rotating bearing of a continuous casting rotating table and a construction method of the jacking device. The method includes the steps that a saddle arm supporting device is arranged, four hydraulic jacks of the same model are placed at the corresponding positions of the saddle arm, the hydraulic jacks are started, the lifting heights keep consistent, and jacking is performed in segments till the rotating bearing can transversely move and will not make any contact with a rotating table body; after the bearing is slowly pulled to a bearing transverse movement support through a chain block, a new bearing is allocated and transported to the bearing transverse movement support; after a collecting and guiding rail of the new bearing is pulled into a base and centered, the bearing is lifted, an erected steel pipe is detached, and the bearing is totally in place; and a body falls back; a saddle arm supporting system is detached, a hydraulic jacking system is detached, and the transverse movement support is detached. According to the jacking device, the whole rotating table body does not need to be hoisted away, the hydraulic synchronous jacking technology is adopted, and transverse replacement of the rotating large bearing is achieved; and the whole device is made of common steel materials, and cost is low.
Owner:SHANGHAI ERSHIYE CONSTR CO LTD
Queue flow limiting method and storage medium
ActiveCN110838987AGuaranteed availabilityReduce the risk of downtimeData switching networksMessage queueMemory type
The invention provides a queue flow limiting method and a storage medium, and the method comprises the steps: formulating a classification flow limiting strategy according to a preset CPU resource occupation threshold and a preset memory resource occupation threshold, and the classification flow limiting strategy comprises a calculation type strategy and a memory type strategy; if the request is configured to be the classified flow limiting strategy, when the client receives the request of writing the application into the message queue, judging whether the request corresponds to a computing type application or a memory type application; if the application is the computational application, executing a computational strategy; and if the application is the memory type application, executing the memory type strategy. According to the invention, good system performance can be ensured; current limiting judgment can be carried out in a more targeted manner, and the practicability is high; more importantly, a monitoring server and an intercepting server do not need to be additionally deployed, the queue program is directly utilized for implementation, and resources and time are greatly saved.
Owner:FUJIAN TIANQUAN EDUCATION TECH LTD
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