119results about How to "Guarantee normal operation" patented technology

The invention provides an electric spindle condition monitoring and fault diagnosing system and a monitoring and diagnosing method thereof, which belong to the technical field of numerical control processing. The electric spindle condition monitoring and fault diagnosing system includes an electric spindle device, a signal conditioning and collecting device, a parameter setting module, an audio collecting device, a video monitoring device, a lower computer, an upper computer, and a client. The monitoring and diagnosing method includes the following steps: the fault value ranges of a current sensor, a voltage sensor and a vibration sensor are set through the parameter setting module; and the current sensor and the voltage sensor in the signal conditioning and collecting device respectively detect the current and voltage of the winding, the stator and the rotor in the electric spindle device, and the vibration sensor detects the speed signals of the spindle and the motor in the electric spindle device and the vibration signals of the bearings, the rotating shaft and the spindle casing. The problem that the existing electric spindle fault diagnosis system has a single diagnosis mode and cannot implement intelligent diagnosis is overcome. The reliability and accuracy of fault diagnosis are improved.

The invention relates to a tractor three-purpose lubricating oil composition, which comprises (a) at least one mineral base oil with higher viscosity index; (b) at least one viscosity index improving agent; (c) at least one pour inhibitor; (d) at least one EP-antiwear additive; (e) at least one antioxidant; (f) at least one friction improving agent; (g) at least one clean dispersing agent; (h) at least one antirust agent; (i) at least one anti-foaming agent. The tractor three-purpose lubricating oil composition has excellent high-low-temperature performance, thermal oxidization stability, EP-antiwear performance, anti-corrosion performance, anti-rust performance and anti-emulsification anti-foaming performance, can meet the requirements of a general hydraulic system, a transmission system and a braking system of a large-and-middle-sized tractor and engineering machinery, can realize the comprehensive lubrication protection on the hydraulic and gear transmission, power output and braking components; long service life is realized; the improvement of the operation stability of the equipment is facilitated.

The invention discloses an intelligent garbage classification and recovery robot. The intelligent garbage classification and recovery robot comprises an identification device, a machine shell, mechanical arms and mechanical legs, the bottom of the identification device is provided with the machine shell, the upper half part of the identification device is a recyclable garbage can, and the lower half part of the identification device is a non-recyclable garbage can, the top of the inner wall of a crushing bin is fixedly provided with a first motor, and an output shaft of the first motor is fixedly provided with a crushing shaft, blades are fixedly arranged on the surface of the crushing shaft, a second motor is arranged on the top of the inner wall of a compression chamber, a telescopic rodis fixedly installed on the output shaft of the second motor, one end of the telescopic rod is connected with the first push plate, a third motor is arranged at the bottom of the inner wall of the non-recyclable garbage box, two mechanical arms are installed on the two sides of the machine shell, a mechanical hand is arranged at one end of the mechanical arm, two mechanical legs are installed atthe bottom of the machine shell, and a walking wheel is arranged at the bottom of the mechanical leg. According to the intelligent garbage classification and recovery robot, the mechanical arm can clamp the garbage in an all-dimensional manner, so that the garbage classification and recovery efficiency is improved.

The invention discloses a multi-functional power equipment cabinet with multiple damping functions. The multi-functional power equipment cabinet comprises a cabinet body. The bottom of the cabinet body is provided with an air distribution tube that is communicated with an external air inlet tube. A plurality of air outlets are uniformly arranged on the air inlet tube. The outer side wall of the cabinet body is provided with a cooling liquid box. The air inlet tube penetrates through the cooling liquid box. The air inlet tube is provided with an induced draft fan. The inner side wall of the cabinet body is provided with a temperature sensor. The temperature sensor and the induced draft fan are electrically connected with a control device. A base is arranged below the cabinet body. The base is provided with a first groove. The bottom of the first groove is provided with a first rubber damping block. The first rubber damping block is internally provided with a cavity. The air distribution tube can distribute cold wind into the cabinet body uniformly, so as to dissipate heat of the cabinet body uniformly and effectively to ensure power equipment in the cabinet body to run normally; further the temperature sensor can reduce the temperature of the interior of the cabinet body intelligently.

The invention discloses a cloud platform guarantee system. The system comprises an information acquisition unit, an information acquisition storage unit and a cloud platform guarantee unit, wherein the information acquisition unit is used for collecting resource information from a cloud platform; the resource information includes resource configuration information, resource usage state information and resource alarm information; the information acquisition storage unit is used for storing the resource information collected by the information acquisition unit, acquiring and storing relations among resources according to cloud platform deployment and resource configuration information respectively; the cloud platform guarantee unit is used for determining abnormal information in the resource information collected by the information acquisition unit according to a preset abnormal information rule, acquiring the relations among the resources stored by the storage unit through combining the information and determining abnormal equipment and the resources so as to determine the abnormal resource which needs to be migrated; according to the relations among the resources and a migration rule, a target migration resource without abnormities is determined and the abnormal resource which needs to be migrated is migrated to the target migration resource. The invention also discloses a cloud platform guarantee method. Through the system and the method of the invention, a physical fault point of isolating the cloud platform can be realized and high-efficient and accurate cloud platform guarantee is realized too.

The equipment consists of failure management unit and data collection unit. The data collection unit acquires alarming message from different net elements and converts it into preset alarming data format, and then sends it to failure management unit in order to make centralized management.

The present application discloses a risk identification method and device. In the method, after the server acquires the behavior information of the merchant to be identified, it can identify the risk of the merchant according to the acquired behavior information and the pre-trained risk identification model, and The corresponding risk identification result is obtained, and when it is judged that the merchant to be identified has a competition risk according to the obtained risk identification result, a risk warning message is generated and sent to the merchant to be identified, so as to remind the merchant to be identified that there is a competition risk.

The invention discloses a method and a device for guaranteeing key businesses of networks. The method and the device have the advantages that dynamic update of packet loss threshold values is achievedby monitoring a CPU (central processing unit) software interrupt occupancy rate, and dynamic and selective package loss is performed according to the current packet loss threshold values and the quantity and the type of received data packets, so that the problem that normal operation of the key businesses cannot be guaranteed due to network congestion caused by full load of CPUs in the prior artis solved, dynamically-adjustable selective packet loss is realized, and normal operation of the key businesses under different application occasions is guaranteed sufficiently.

The invention provides a vehicle control unit VCU cabinet. The VCU cabinet comprises at least one micro processor unit MPU and at least one remote input and output module RIOM; the MPU comprises at least one MPU main control board and at least one MPU network board; the RIOM comprises at least one RIOM main control board and at least one RIOM network board; and the RIOM network board is configuredto perform network communication with one of the MPU main control board and the RIOM main control board, so that one of the MPU main control board and the RIOM main control board performs full vehicle control on the vehicle. The VCU cabinet provided by the invention can realize the redundant control of the MPU and the RIOM, thereby ensuring the continuous and effective control of the VCU cabinetto the vehicle, and thus the normal operation of the vehicle is ensured.

The invention discloses a composite converter magnesia-carbon brick and a preparation method thereof, and belongs to the technical field of steel making. The magnesia-carbon brick comprises an A part,a C part, and a B part positioned between the A part and the C part; one side surface of the B part is serrated and is tightly engaged with one side surface of the A part, and the other side surfaceof the B part is also serrated and is tightly engaged with one side surface of the C part. The part A is used as a working layer, wherein a high-quality fused magnesia raw material is adopted to forma stable internal network structure with a carbonaceous raw material and a bonding agent, so that integral high-temperature resistance of the magnesia-carbon brick is improved; the B part is used as atransition between the working layer and a non-working area, wherein a high-quality fused magnesia raw material and regenerated magnesia carbon bricks are adopted, so that integral high-temperature resistance of the magnesia-carbon brick is ensured; and the C part is used as a non-working area, wherein the whole C part is prepared by regenerated magnesia-carbon bricks are adopted, so that production cost is reduced. The composite converter magnesia-carbon brick is suitable for popularization and use by enterprises.

The invention relates to the technical field of track traffic, and discloses an ice and snow preventing device of a steel track beam. The ice and snow preventing device comprises heat tracking belts and ice and snow preventing coatings, wherein the heat tracing belts are arranged on the top face of a beam body of the steel track beam, and the ice and snow preventing coatings are arranged on the two side faces of the beam body; the heat tracing belts are used for heating walking face steel plates of the beam body; and the snow preventing coatings are used for preventing ice and snow from being attached to guide face steel plates and stabilizing face steel plates of the beam body. The heat tracing belts are attached to the lower side of the walking face steel plate, and remaining portions of the heat tracking belts are wrapped by a heat insulation layer; and the heat insulation layer is used for reducing heat losses and preventing heat from being transmitted to the interior of the beam body. According to the device, whole-line ice and snow melting of the steel track beam can be rapidly carried out, large temperature stress cannot be generated, safety performance of the device is ensured, and the construction difficulty is simplified.

The invention provides a refrigerator, a compressor start control method and a compressor start control system. The compressor start control method includes the steps that current environment temperature is acquired; whether the current environment temperature is smaller than or equal to a first temperature preset value or not is judged; when it is judged that the current environment temperature is smaller than or equal to the first temperature preset value, a first temperature detection device arranged in a refrigerating chamber controls the on-off state of a compressor; and when it is judged that the current environment temperature is not smaller than or equal to the first temperature preset value, a second temperature detection device arranged in the refrigerating chamber controls the on-off state of the compressor. By the adoption of the technical scheme, it can be effectively guaranteed that the compressor of the refrigerator can be smoothly started when the environment temperature of the refrigerator is too low, and normal work operation of the refrigerator is guaranteed; a compensation heating device is prevented from being arranged in a refrigerator inner container of the refrigerator, and the freshness retaining performance of stored objects is prevented from being affected when the stored objects are placed attached to the refrigerator inner container; the temperature of the refrigerating chamber of the refrigerator can be accurately controlled, and therefore user experience is improved.

The invention discloses a short message service access control method and a base station subsystem. The method comprises that: the base station subsystem receives channel requests from a terminal, and counts the channel requests for requesting short message service access in a preset time; and if determining a count is greater than a threshold value, the base station subsystem denies new channel requests for requesting the short message service access. By the technical scheme provided by the invention, the wanton attacks of short message spam can be effectively prevented, and the normal running of basic voice services is ensured.

The invention relates to a bellow expansion joint with a warning device, which comprises connecting pipes, flanges, a double-layer bellows and a flow guide pipe, wherein two ends of the bellows are respectively provided with a left connecting pipe and a right connecting pipe; the outer sides of the left connecting pipe and the right connecting pipe are respectively connected with a left flange and a right flange; the left flange and the right flange are connected by a pull rod and nuts; one end of the flow guide pipe is connected and fixed to the inner surface of the left connecting pipe; the other end of the flow guide pipe stretches into the right connecting pipe; a communicating pipe is arranged at the connection part between the double-layer bellows and one of the connecting pipes; the communicating pipe is communicated with a cavity formed by a middle interlayer of the double-layer bellows; and the warning device is arranged on the end part of the communicating pipe and comprises a gas, temperature sensor and pressure sensor. According to the invention, the warning device is arranged on the end part of the communicating pipe; once leakage happens to an inner layer of the double-layer bellows of the expansion joint, and the warning device can find a leakage point in time and sends a warning signal, so that the expansion joint can be rapidly repaired or replaced. The bellow expansion joint with the warning device is suitable for a pipeline used for conveying an inflammable, explosive or corrosive fluid, so that the safety of the pipeline can be ensured, and the normal operation of the pipeline can be guaranteed.

The invention discloses a method for realizing wireless signal coverage, which comprises the following steps that: an aerostat carries a remote radio unit (RRU) of a base station to launch the RRU, and the RRU is connected to an antenna to transmit and/or receive a user signal; and a baseband processing unit (BBU) of the base station which is arranged on the ground and connected with the RUU transmits a base station signal to a base station controller (BSC) through a satellite link. The invention discloses a base station system at the same time. The method can realize good wireless signal coverage.

The invention provides a river channel floating dirt treatment device based on solar driving, and relates to the technical field of solar energy. The river channel floating dirt treatment device basedon solar driving comprises fixing devices arranged on river slopes on the two sides of a river channel, and an intercepting device placed in the middle of the river channel, wherein the interceptingdevice intercepts floating dirt floating and flowing in the river channel and collects and salvages the floating dirt; and each fixing device comprises a fixing bottom foot, a supporting rod, a sliding rod and a connecting rod, wherein the fixing bottom foot is fixed to the river slope edges close to the two sides of the river channel. According to the river channel floating dirt treatment devicebased on solar driving, the fixing devices are mounted on the river slopes on the two sides of the river channel, the intercepting device placed in the middle of the river channel is fixed through thefixing devices, and thus the intercepting device is placed in the middle of the river channel more firmly and reliably; and the intercepting device is placed in the middle of the river channel to intercept and collect the floating dirt floating and flowing in the river channel, subsequent salvage is facilitated, and the salvage efficiency of the floating dirt in the river channel is improved.

The invention provides an earthing system for solving the problem of ground potential counterattack or electromagnetic crosstalk generated by a main earthing body possibly existing a transformer substation to a communication earthing loop. The earthing system comprises a main earthing body, a direct lightning stroke lightning conductor, a comprehensive building lightning protection body, an in-building earthing line net arranged in a comprehensive building, a heavy current installation earthing loop and a weak current installation earthing loop, especially, the earthing system also comprises a weak current earthing leading bus, a weak current earthing body and an earthing connecting body, wherein the weak current installation earthing loop is not connected with the in-building earthing line net; the weak current installation earthing loop, the weak current earthing leaking bus and the weak current earthing body are sequentially connected; one end of the earthing connecting body is connected with the main earthing body, the other end of the earthing connecting body is connected with the weak current earthing body through an equipotential connector; the minimum distance between the weak current earthing body and the main earthing body is not less than 15m; and the weak current earthing leading bus is a high-voltage insulation line. The invention can ensure normal operation of a communication device in the transformer substation.

The invention provides a comprehensive plugging and repairing method for elevator shaft leakage. The comprehensive plugging and repairing method comprises the following steps that (1) a water seepagepoint is searched, specifically, in order to facilitate search of the water seepage point, a cement mortar paint layer and a waterproof material layer in an elevator shaft are removed before pluggingconstruction; (2) according to the characteristics of the water seepage point, plugging construction treatment is carried out, if the characteristic of the water seepage point is point leakage, a direct plugging method is used plugging, and a material used in the direct plugging method is Shuibulou; if the characteristic of the water seepage point is line leakage or surface leakage, a pressure grouting method is used for plugging, and materials used in the pressure grouting method are water-soluble polyurethane and acrylate; and (3) after plugging construction treatment, a waterproof layer made of a polymer waterproof and cracking resistant mortar material is arranged on the back surface.

The invention provides an on-line safety valve checking method and device. A safety valve is subjected to online checking through the device, the device comprises a force sensor mounted on a lifting rod, the force sensor is connected with a control system, the safety valve is arranged on a pressure vessel with slurry in the lower portion and steam in the upper portion, in a normal working pressure range of the safety valve, the control system controls lifting height and opening time of a valve stem of the safety valve by the device, and the device is enabled to finish checking after the slurry arrives at a valve port of the safety valve. Therefore, influence on sealing performance of the safety valve due to discharge of a viscous medium in a flash evaporator is avoided, further the operating period of the flash evaporator can be prolonged, cost in a series of working processes of detachment, lifting, transportation, checking, reassembling and the like during online and offline checking of the safety valve can be omitted, labor intensity of workers is lowered, and normal operation of companies is guaranteed.

The invention discloses an extension shaft servo motor for preventing moisture condensation, and belongs to the technical field of the electric motor. The extension shaft servo motor for preventing condensation controls the temperature difference by using the feature of the warming speed under the cooperation of a dehumidification function shell and a condensation lug, thereby realizing a way capable of guiding the moisture condensation; when the servo motor works, hot air adjacent the stator is in moisture condensation on the condensation lug, and the water drop produced after the moisture condensation is collected by using an ultra-strong moisture absorption ball; compared with the traditional heat insulation, air circulation and like suppression measures, the harm caused by uncontrolledmoisture condensation in the servo motor can be obviously reduced by utilizing a way of controlling the moisture condensation through guiding, thereby guaranteeing the normal running of the servo motor, and prolonging the service life thereof.

The embodiment of the invention discloses a data query processing method and device, and the method comprises the steps: carrying out the query of to-be-queried data according to a current query timeinterval, and obtaining the query execution time and query result data volume of the current query time interval; if the query execution time is greater than the time threshold, determining a first query time interval according to the query time interval, the query execution time and the time threshold; if the query result data volume is greater than the data volume threshold, determining a secondquery time interval according to the query time interval, the query result data volume and the data volume threshold; and further determining the updated query time interval, and continuously querying the to-be-queried data; and judging whether the query execution time and the query result data volume in the current query time interval meet the requirements or not through the time threshold and the data volume threshold, and if not, adjusting the query time interval in time to limit the queried data volume, thereby avoiding overflowing caused by excessive memory occupation and ensuring the normal operation of each program.

The invention discloses a novel nursing cart special for an operating room. The novel nursing cart comprises a bottom box. Electric telescopic rods are fixedly connected to two sides of the bottom ofthe bottom box. A bottom plate is slidably connected to the bottoms of the electric telescopic rods. A motor is fixedly connected to the axis of the top of the bottom plate. A driving gear is fixedlyconnected to the output end of the motor. Driven gears used together with the driving gear are fixedly connected to the tops of the surfaces of electric telescopic rods. A holding box is fixedly connected to the top of the bottom box. Through holes are formed in the bottom of the holding box and the top of the bottom box. The novel nursing cart has the advantages that through cooperative use of the bottom box, the electric telescopic rods, the bottom plate, the motor, the driving gear, the driven gears, the holding box, a push rod and a storage battery, the novel nursing cart can be adjusted according to the height of medical staff, the angle of the novel nursing cart can be adjusted according to actual use conditions, great convenience is brought to the medical staff, and accordingly, operations are well guaranteed.

The invention discloses a biochemical system auxiliary device. The biochemical system auxiliary device comprises a power supply controller, insulation tubes, and at least two parallel positive and negative electrodes and/or zero, one or multiple pairs of positive and negative fuel cell electrodes; each electrode comprises a tank body, electrode pore plates vertical to a water inlet direction are inserted in the tank body, at least three rows of electrode pore plates, which are made from piezoelectric/contact alloy, are arranged at a sewage feeding end, and at least twenty rows of electrode pore plates, which are made from rare-earth alloy, are arranged at a sewage discharging end; the fuel cell electrodes are mesh-shaped; the power supply controller is respectively connected with the electrodes and the fuel cell electrode. The biochemical auxiliary device not only can perform a high-performance-cost pre-treatment on sewage, but also can culture targeting bacteria online in a biochemical system; a fuel cell can eliminate charge accumulation toxicity of the biochemical system, so that the biochemical system efficiently and stably runs, the digestion ability to COD is improved by more than two times, and the biochemical effluent index is improved by more than 50%.

The invention provides a corrosion and scale inhibitor, which belongs to the technical field of industrial water treatment. The corrosion and scale inhibitor is prepared from the following raw materials in parts by weight: 30 to 50 parts of calendic acid, 18 to 35 parts of glycerol, 12 to 25 parts of epoxysuccinic acid, 10 to 20 parts of acrylic acid, 5 to 15 parts of initiator, 30 to 50 parts of phosphono carboxylic acid copolymer and 5 to 10 parts of dodecyl dimethyl benzyl ammonium chloride. According to the corrosion and scale inhibitor, a corrosion and scale inhibiting effect for a reinjection water system under environments of high temperature, high mineralization degree and high corrosion can be effectively realized, and normal operation of water injection equipment and pipelines is guaranteed.

The invention discloses a business knowledge management based configuration management method. The business knowledge management based configuration management method comprises the steps of: defining business requirements, a business process and a business model through data information stored in a knowledge base module, filtering, analyzing and matching through a rule engine to obtain business data, and uploading to obtain a business configuration item; inputting the business configuration item and an IT resource configuration item into a relational database module to obtain a relationship between the business configuration item and the IT resource configuration item; modeling based on the business data, the business configuration item and the IT resource configuration item to obtain the business model of the knowledge base module; analyzing and calling the business configuration item and the business model of the knowledge base module through the rule engine, and combining with the execution of an IT business model and a resource configuration item of a configuration management database module to obtain a configuration data management system of the business management and system running data. The business knowledge management based configuration management method improves availability and stability of an IT system.

The invention discloses a power device and a power feedback circuit thereof. The circuit comprises a first voltage feedback end and a second voltage feedback end that are used for correspondingly connecting with a positive feedback pin and a negative feedback pin in a power connection port of the power device, a first comparison unit used for outputting a first comparison signal according to a voltage fed back by the second voltage feedback end and a first reference voltage provided by a first reference voltage providing unit, so as to control on and off of a second switch transistor, a secondcomparison unit used for outputting a second comparison signal according to a voltage fed back by the first voltage feedback end and a second reference voltage provided by a second reference voltageproviding unit, so as to control on and off of a first switch transistor, and a differential amplification unit used for outputting a feedback voltage to a voltage adjustment unit of the power deviceaccording to on and off states of the first switch transistor and the second switch transistor, wherein the voltage adjustment unit adjusts an output voltage according to the feedback voltage, so as to enable the output voltage of the power connection port to meet the requirement of a load end device.

The invention provides a fully automatic electronic sheath pad printing machine. The fully automatic electronic sheath pad printing machine includes an automatic conveying device for transferring workpieces, an automatic printing device for workpiece printing, an automatic ink filling device for ink covering the workpiece, and an automatic rubber head cleaning device for cleaning the rubber head. Cleaning device; the automatic transmission device includes a first stopper mechanism, a workpiece positioning mechanism, a second stopper mechanism and a discharge mechanism fixedly arranged in sequence along the linear motion direction of the workpiece conveyor belt, the first stopper mechanism, the The workpiece positioning mechanism, the second blocking mechanism and the unloading mechanism are arranged at relative intervals; the automatic printing device, the automatic ink filling device and the automatic rubber head cleaning device are all corresponding to the automatic transmission The workpiece positioning mechanism of the device is arranged, and all of them are arranged at intervals along the direction away from the workpiece positioning mechanism.

The invention provides a watermark adding method and device, a watermark recognition method and device and electronic equipment, and the method comprises the steps: processing a first image based on awatermark, and obtaining a second image; and processing the original image by using the second image so as to add the watermark into the original image. According to the invention, the watermark information is added to the original image through the second image, and then whether the image is tampered in the transmission process can be determined by extracting and analyzing the watermark information carried by the subsequent image information, so that the normal operation of each system in the network is ensured, and the security of the network is also ensured.