108results about How to "Achieve associativity" patented technology

The invention relates to a synthesized recovery method for waste positive plates of iron phosphate lithium batteries. The method comprises the following steps: collected waste positive plate material is mechanically crashed into fragments; the fragments are positioned in a welding furnace which is protected by vacuum atmosphere, inert gases and / or reducing gases and / or nitrogen and are heat processed in the temperature of 150-750 DEG C; aluminum foil basal bodies are separated from the fragments after heat process by adopting mechanical separation or ultrasonic concussion to obtain a mixture of iron phosphate lithium positive material, conduction agent and caking agent giblets; the mixture of iron phosphate lithium anode material, conduction agent and caking agent giblets is roasted for 8-24 hrs in 80-150 DRG C; the mixture after roasting is classified to control the grain diameter of the powder material to be not more than 20 microns, and the D50 is controlled to be 3-10 microns so as to obtain iron phosphate lithium positive recovery material. The method has simple technique, takes effect fast and reduces the material consumption and production cost of a manufacturer.

The invention discloses an energy recovery system for a load sensing hydraulic system, and belongs to the technical field of engineering machinery. The energy recovery system comprises a signal detecting unit, a control unit, an energy recovery unit and an energy storage unit. The signal detecting unit is used for detecting the pressure on the oil inlet side of a hydraulic system execute mechanism when load decreases and converting the pressure into digital signals to transmit to the control unit. The control unit is used for receiving detecting signals, processing the detecting signals by corresponding control algorithm to generate control signals and transmitting to the energy recovery unit. The energy recovery unit is used for converting hydraulic energy into power and adjusting working states according to a control signal in real time. The energy storage unit is used for storing or releasing power according to the system operating states. The energy recovery system aims to a feature of the loading sensing technology, and allows adjustment of variable hydraulic motor output volume in the energy recovery unit to be automatically coordinated with actions of a multi-way valve in the load sensing system, and application of the power-type energy recovery technology in the load sensing hydraulic system is realized.

An image-based method of finding flames with large-space intelligent fire-fighting system relates to the technical field of the combination of the fire-fighting control system and the computer image recognition. The support system of the method comprises a front-end video collecting and processing module, a flame central processing module and a fire-fighting control module. The method comprises the following steps: 1) flame target detection: using a fixed camera to detect flame; 2) flame target location: using at least three cameras to locate the flame target and send the detection information to the central processing module; using the central processing module to receive the information from the fixed camera which detects the flame, performing data fusion, deciding whether to douse the flame; and 3) secondary flame target location: after using a fire monitor to aim the flame, using the fixed camera to aim the flame target secondly, and using the central processing module to control the fire monitor to move. By using the method, real-time fire monitoring can be realized, the real-time control of the fire-fighting system can be realized and fire safety by combining early warning and automatic fire-fighting can be effectively realized.

The invention discloses a virtual agent system for a remote VTM and an implementation method of the virtual agent system. The implementation method includes the following steps of data acquisition of a VTM terminal, data transmission, data exhibition at a remote virtual agent end and information back-pass. In the step of data acquisition of the VTM terminal, data comprise VTM end high-definition video stream data, service and operation relevant information and data and various states of VTM end equipment. In the step of data exhibition at the remote virtual agent end, the remote virtual agent end displays corresponding operational guidelines and pictures on a display screen of the VTM terminal in real time dynamically according to the received data, and the acquired VTM end high-definition video stream data serve as a dynamic background of a human-machine interaction module. By the adoption of the virtual agent system for the remote VTM and the implementation method of the virtual agent system, through a VTM self-service equipment environment, operation of clients of banks and seamless connection of an agent virtual face-to-face operating platform, an agent remotely assists the clients of banks in handling relevant financial services on the VTM self-service terminal, implementation is easy, and a human-machine interface is friendly.

The invention relates to an intelligent floor sweeping garbage can. The intelligent floor sweeping garbage can comprises a can body, and a can cover arranged on the can body; and the can body includes an inner can and an outer can. The intelligent floor sweeping garbage can is characterized in that a first walking mechanism provided with a first driving part, a sweeping mechanism provided with a dust collecting box and a second driving part and a floor mopping mechanism provided with a lifting part are mounted at the bottom of the can body; the upper end of the dust collecting box is communicated with the inner can of the can body through a garbage transportation pipe; a dust absorbing mechanism is arranged on the garbage transportation pipe; a camera is mounted on the outer side surface of the garbage can, and is connected with user equipment through a wireless communication module; a controller is mounted on the garbage can; an input end of the controller is connected with the user equipment through the wireless communication module; and an output end of the controller is respectively connected with the first driving part, the second driving part, the camera, the lifting part and the dust absorbing mechanism through circuits. Compared with the prior art, the intelligent floor sweeping garbage can has the characteristics of automatic transfer of garbage to the garbage can, patrol monitoring and high intelligent automation.

The invention provides a method for preparing a graphene-based composite material. The method includes the following steps: stirring and grinding carbon materials, such as graphite, graphene, graphene oxide, carbon fiber, and carbon nano tube with a composite material to obtain a composite turbid liquid; disposing the turbid liquid to a container in a high-intensity magnetic field for strong stirring or ultrasonic processing to obtain a graphene-based composite gel body material for performing filtering and thermal processing so as to obtain a graphene-based composite powder body. According to the invention, potential difference is generated when carbon materials and the composite material move under a magnetic environment, such that the composite material and the graphene are evenly scattered and composed, which is conducive to increasing the graphene-based composite material. According to the invention, the method has simple technologies and low cost; the prepared graphene-based composite material is advantaged by high conductivity, large specific surface area, excellent power characteristics, and high energy density, and is intended for applications in the fields of novel ultra-capacitive electrodes, and lithium battery cathodes materials.

The invention discloses a method for interaction between a layout file and a relational database. The method comprises the following steps of: firstly, setting at least a fixed domain and a dynamic domain in the page of the layout file, wherein the fixed domain is used for presenting the fixed file content, while the dynamic domain is used for presenting the file content which is needed to be dynamically updated; correlating the dynamic domain with a table file in the relational database, and storing the correlation relationship in the layout file; and when the content of the dynamic domain changes, correspondingly updating the content of the table field correlated to the dynamic domain; or when the content of the table field change, correspondingly updating the content of the dynamic domain correlated to the table field. The method represents the file content through the fixed domain and realizes the data interaction with the relational database through the dynamic domain, thus dynamically obtaining and changing the content in the presentation of the file and realizing the mutual combination and interaction of the layout file and the relational database.

The invention provides a multi-purpose adaptive second-gear multimode stepless speed changing electric transmission integrated power system. The multi-purpose adaptive second-gear multimode stepless speed changing electric transmission integrated power system comprises a first motor and the like; a planetary gear train comprises a gear ring, a planet carrier and a sun gear; the rotor of the first motor is connected with the gear ring of the planetary gear train; the rotor of the second motor is connected with the sun gear of the planetary gear train and the input end of a transmission chain, respectively; a gear shifting device is connected with the input end of a speed reducing differential mechanism and control on power transfer from the planet carrier of the planetary gear train and the output end of the transmission chain to the speed reducing differential mechanism is realized; the output end of the speed reducing differential mechanism is connected with two wheels by use of two half shafts; a motor control device is connected with an energy storage device to transfer electric energy; the motor control device is further connected with the first motor and the second motor, respectively, and outputs control instructions. The multi-purpose adaptive second-gear multimode stepless speed changing electric transmission integrated power system has the characteristics of better technical inheritance to the existing vehicles, whole vehicle dynamic property, fuel economy and low emission.

The invention discloses a language disease correction recommendation method and system, and the method comprises the steps: identifying a language disease target of a to-be-tested text, and determining language disease information which comprises a language disease position and a language disease type; According to the context content of the language disease target and / or the character attribute of the language disease target, obtaining a correction candidate word; and generating a language disease correction recommendation list by using the correction candidate words. Compared with the priorart, error detection and error correction can be combined, and reliable reference suggestions are provided for language disease correction.

The invention discloses an induced blasting and anti-reflection grouting composite anchor for liquid carbon dioxide. The induced blasting and anti-reflection grouting composite anchor comprises an anchor rod body and an expansion shell anchor head, wherein the anchor rod body comprises a liquid storage tube, an energy release head fixedly connected to the front end of the liquid storage tube, and a filling head detachably connected to the rear end of the liquid storage tube; a release pipe communicating with an inner cavity of the liquid storage tube is arranged in the energy release head; an exhaust hole penetrating through the release pipe is formed in the outer wall; an energy release sheet is arranged between the inner cavity of the liquid storage tube and the release pipe; the expansion shell anchor head is connected to the front end of the energy release head; the filling head is provided with a liquid filling hole communicating with the inner cavity of the liquid storage tube and a valve for controlling the liquid filling hole to open and close; and a heating element is arranged at the rear end of the inner cavity of the liquid storage tube. The fracture is induced through induced blasting of the liquid carbon dioxide, the fracture zone range in a rock mass is effectively expanded, and more favorable conditions are created for executing grouting reinforcement; and meanwhile, grouting reinforcement of the rock mass is executed by directly utilizing a carbon dioxide blast pipe as a grouting channel, so that organic combination of induced blasting and grouting is achieved.

The invention discloses a drilling and grinding integrated machine for valve machining. The machine comprises a workbench, two electric cylinders and a propelling air cylinder, wherein a lifting mechanism is arranged in a lifting hole, a first cavity is formed in the workbench, a dust suction device is fixedly arranged in the first cavity, a set of propelling rails are transversely arranged on an adjusting plate, a drilling motor is slidably arranged on the propelling rails, a left rotating column and a right rotating column are sleeved with supporting rotating mechanisms correspondingly, the left end of a lower connecting rod is fixedly connected with a grinding mechanism, a first distance sensor is fixedly arranged on one side of a rack on a measuring ring, and a controller is fixedly arranged on the outer side of the workbench. According to the machine, a measuring motor drives the first distance sensor to rotate to detect the surface of one side of a valve, the size information of a flange on the side face of the valve is measured, the thickness of the flange on the side face of the valve is measured in cooperation with a second distance sensor, and the controller calculates the position distribution among drilled holes according to the size information of the side face of the valve and the required number of the drilled holes.

The invention provides a monitoring method for underground three-dimensional migration of LNAPLs. The monitoring method comprises the following steps: 1) determining a suspected pollutant source zonein a monitored area, determining the monitoring point locations of a source of pollution and acquiring pollutants; 2) acquiring the variation range of resistivity after the LNAPL pollutants migrate toeach point location; 3) constructing a three-dimensional high-density resistivity monitoring system from all the monitoring points; 4) inserting a resistivity feeler lever used for aiding the three-dimensional high-density resistivity monitoring system in monitoring; 5) acquiring real-time data and carrying out alarming; and 6) carrying out data processing. According to the monitoring and data processing methods for underground three-dimensional migration of LNAPLs, omnibearing real-time monitoring is realized through combined automatic and three-dimensional monitoring; the problem of uncontinuity of a three-dimensional resistivity monitoring device in the aspect of time is compensated via long-term real-time monitoring via the feeler lever; and monitoring data is corrected and a three-dimensional chart is drawn so as to more visually display the underground migration status of LNAPLs.

The invention discloses an audio broadcasting terminal, comprising embedded microprocessor, power supply module, network interface control module, memory module, audio driving module, key module, display module and network interface to realize independent broadcast and network unicast, downloading an refreshing, where the embedded microprocessor is used to receive and process network message to control network audio decoding and broadcasting and local network audio and picture message storage as well as transmit network audio unicast request message and help control I / O information of various user interfaces; and also comprising analog audio interface and analog audio control module to directly record and broadcast analog audio signal; and it has audio local storing and MP3 music playing functions and network audio edition and unicast functions and provides independent power supplying and network power supplying functions. And it can act as a portable audio broadcaster and a multifunctional network audio unicast terminal.

The invention discloses a break type bugging device, characterized by including a switch, a power supply, a resistance, a relay, an illuminant unit, a speaker, wherein the excitation winding contact of the relay is connected with a serial first switch, the detection loop of the power supply and the first switch; the normally closed contact of the relay is connected with the warning circuit of a serial second switch, the second switch, the power supply, the illuminant unit and the speaker; and the cables are arranged in the metal wires of the antitheft net. The invention has simple structure, wide application range, which is used as the antitheft of the antitheft net, the air condition outdoor machine, the bicycle, the items on display, the luggage carrier, the cable and the livestock, also is used for alarm in the fence, the guard bar, the mountain forest, the orchard and the pound. The invention can be added with a GSM wireless module and a wireless alarm receipt device to realize the alarming signals transmitted to the handset of the client, meanwhile uses the local call net to transmit the alarming signals, the local position to the normal telephone set and the computer of the tenement or the alarm receipt center.

The invention belongs to the technical field of purification and edulcoration of nonferrous metals, and particularly relates to a method and a device for purifying molybdenum concentrate. In the proposed method for purifying molybdenum concentrate, micro-wave heating, drying and deoiling, and micro-wave heating impurity denaturation are adopted to purify the molybdenum concentrate under a vacuum condition. The method comprises the steps of 1, heating at 200-400 DEG C by the microwave and carrying out drying and deoiling on the molybdenum concentrate material, feeding the removed oil to a heat exchange system to cool and liquefy, collecting the flowing oil from a liquid oil outlet; and 2, continuing to heat to 535-700 DEG C by the microwave after no oil flows out from the liquid oil outlet, and keeping warm for 1-6 hours, so that iron tramp in the molybdenum concentrate material is degenerated. The proposed molybdenum concentrate purification device comprises a heating furnace body, a loading system, a heat exchange system, a vacuum system and an electric system. The method is advanced in technology flow, and has flexibility; the manufacturing process is simplified; the production efficiency is improved; the device is reasonable in structure, and suitable for operation in large quantities; power consumption is reduced; recycling of flotation oil is achieved; vacuum sealed operation is carried out; and no material loss exists.

The invention belongs to the field of aeroengine transition state optimization and control, and discloses a design method for optimizing an aeroengine transition state control law. The SQP algorithm is adopted for optimizing the transition state of an engine, and the transition state control law design under the constraint boundary condition is realized. At the same time, the fuel flow rate valueis adjusted, other constraint conditions are unchanged, and transition state control laws under different constraints are designed. By constructing a transition state time evaluation function, transition state time under each transition state control law is calculated. A lookuptable interpolation table is established through the calculated transition state time and the corresponding fuel flow to realize fuel flow scheduling under different transition state times. The fuel flow obtained by scheduling at the desired time is taken as the acceleration and deceleration plan of closed-loop control of the engine, output is used as a reference instruction of the acceleration process, combination of engine transition state optimization and closed-loop control is achieved, and a theoretical basis isprovided for closed-loop control of the engine.

The invention discloses a heart simulation structure as well as a forming method and a special mold thereof and belongs to the field of organ production, biological materials and medical instruments. The heart simulation structure comprises a main body structure, at least one heart chamber structure, at least one blood vessel system and at least one nervous system, wherein the main body structure is a mixture of hydrogel and myocardial seed cells, is high in biocompatibility and can facilitate realization of a blood pumping function of a heart; each blood vessel system is dendritically or spirally distributed on the periphery of each heart chamber structure; each nervous system is located in the main body structure. The special mold comprises at least one casing top, at least one casing bottom, at least one air sac, at least one blood vessel system catheter and at least one nervous system catheter, wherein the at least one casing top and the at least one casing bottom are sealed through embedment assembly to constitute the outside of the mold; the at least one air sac, the at least one blood vessel system catheter and the at least one nervous system catheter are located inside the special mold. A new idea is provided for in-vitro rapid construction of the artificial heart, and the heart simulation structure is similar to real hearts of animals in form and function.

The invention proposes a gap measurement tool and a gap qualified rate measurement method, which are well adapted to the batch-production internal and external decorations of a cab of a heavy truck. The measurement tool is a measuring ruler with a trapezoid structure. The surface of the measuring ruler is marked with standard scale, a gap lower limit deviation graduated line and a gap upper limit deviation graduated line. The measurement method can achieve the quick, convenient and accurate measurement of the gaps of the batch-production internal and external decorations of the cab of the heavy truck at lower cost through a simple structure, and can accurately determine at the highest efficiency whether the gaps of the internal and external decorations of the cab are qualified or not, greatly improves the detection efficiency of the internal and external decorations of the cab, and reduces the cost. Meanwhile, the measurement tool and the measurement method can be widely popularized and applied to the measurement of gaps of other products besides the internal and external decorations of the cab, and are good in market popularization and application prospect.

The invention discloses a split-type hopkinson torsion bar energy storing and releasing device as well as an operation method thereof, which can realize impact torsion energy storing and releasing bya simple mechanical structure. The apparatus comprises a hopkinson incident bar, a clamping mechanism, a releasing mechanism, and a guiding mechanism. The operating method is characterized in that theHopkinson incident bar is clamped by the clamping mechanism and guiding mechanism, the torque storage is realized, by designing the releasing device, the stored torsion energy is subjected to instantrelease, so that the shock loading effect can be simulated, and the impact experiment simulation condition is provided; and at the same time, the loaded shock loading is determined by torsion turns numbers, which is conveniently controlled; the split-type hopkinson torsion bar energy storing and releasing device is suitable for different loading devices, and is repeatedly usable without materialconsumption. The device has the advantages of simple structure, low cost, easy control, and convenient operation.

The invention discloses a cytomechanics device capable of synchronously realizing flow load and fluorescence observation. The device comprises a parallel flow cavity module used for simulating the hydrodynamic force environment of cells in a human body under a shear flow condition, an inverted fluorescence phase contrast microscope used for performing fluorescence excitation on the cells, a signal collecting module used for collecting weak fluorescence signals, and a control module used for synchronously triggering the parallel flow cavity module, the inverted fluorescence phase contrast microscope and the signal collecting module and analyzing and processing data. A special filter disc combination is selected to excite the cells of a sample plane on the inverted fluorescence phase contrast microscope, the parallel flow cavity module is used for applying mechanical stimulation on the cells, the control module is used for achieving synchronousness of mechanical stimulation, fluorescence excitation and collection, and an EMCCD (Electron Multiplying Chargecoupled Device) is used for sampling the data, reconstructing and analyzing the data of an image so as to realize the real-time dynamic combination of fluid dynamic load and fluorescence observation of population cells.

The invention provides a learning scene processing method and device, and the method comprises the steps: displaying a learning scene interface which comprises a plurality of virtual objects, and enabling the position relationship and size of the virtual objects in the learning scene interface to simulate the layout of a real scene; receiving a selection operation on the learning scene interface,determining a virtual object selected by the selection operation in the learning scene interface, and determining the virtual object as a target object; and obtaining learning resources of the targetobject, and displaying a learning interface corresponding to the learning resources. Due to the fact that the learning scene simulates the layout of a real scene, the combination of learning and the scene is achieved, the association between learning and the scene is enhanced, learning gamification and memory consolidation can be achieved at the same time, learning interest is stimulated, and thelearning effect is improved. Especially for learning of English words of children, real scenes, gamification learning and teaching through lively activities, the learning effect of the English words can be improved for the children.

The invention discloses a method for predicting the content of winter wheat grain protein based on coupling of spectral indexes and climatic factors, and a method for establishing a prediction model, aiming at solving the technical problems of low accuracy and universality of a current model for predicting the content of winter wheat grain protein. The method for establishing the model comprises the following steps: acquiring information; determining a light temperature accumulation index; establishing a light temperature nitrogen index; determining a best spectrum parameter; establishing a prediction model; and checking the model. Through the method, the model for predicting the content of the winter wheat grain protein is high in accuracy and good in universality; the expansibility and the stability are improved; the method is capable of effectively predicting the change of the content of the winter wheat grain protein under different cultivation and management conditions.

The invention relates to a rural domestic sewage treatment system using solar energy and wind energy, wherein the rural domestic sewage treatment system includes a grille well, a booster pump, a firstsedimentation pool, a regulating pool, an anaerobic biogas pool, an aerobic reaction pool, a second sedimentation pool and an undercurrent constructed wetland which are connected in turn. The rural domestic sewage treatment system also includes a photovoltaic power generation device, a wind power generation device, a solar heating circulating device and a wind collecting device. The solar heatingcirculating device includes a solar heat collector, a heat preservation water tank, a heating circulating tube and a circulating pump which are connected in turn and form a whole circulation system,and the heating circulating tube is laid flatly on the lower part of the inner side of the anaerobic biogas pool. The wind collecting device includes a trumpet-shaped wind collecting bucket, a wind rudder, a connecting swivel and a supporting pipe. The wind collecting bucket is connected with the supporting pipe through the connecting swivel in a rotating manner, and the wind rudder is arranged onthe wind collecting bucket, and the supporting pipe is connected with an aeration fan. The rural domestic sewage treatment system has the advantages of high utilization rate of wind energy and solarenergy, high treatment efficiency, cleanness and environmental protection, low running cost and the like.

The invention relates to a computer system for intelligent control household electrical appliance, wherein the computer system comprises CPU, north bridge chip, southern bridge chip and related control circuit, a control unit, an intelligent learning equipment and an infrared communication equipment., the control unit controls the intelligent learning equipment for computer initialization through the infrared communication equipment.

The invention relates to the technical field of the Internet of Things, and discloses an intelligent distribution system and a distribution method. The intelligent distribution system comprises an unmanned distribution vehicle and a distribution cabinet, and further comprises a transferring device, the transferring device comprises a first frame body, a lifting device movably connected with the first frame body and a second frame body fixed to the distribution cabinet, the lifting device is configured to control the first frame body to do ascending or descending stroke motion, and the second frame body is in butt joint with the first frame body and is movably connected with the first frame body. The distribution method comprises the following steps that S1, the position of the distributioncabinet is positioned through the unmanned distribution vehicle; S2, the unmanned distribution vehicle is in butt joint with the distribution cabinet and is fixed; S3, the unmanned distribution vehicle conveys the distribution cabinet to the first position from a distribution center; and S4, the unmanned distribution vehicle returns to the distribution site to distribute other distribution cabinets, and the step S1 is executed again. By means of the novel intelligent distribution system and the distribution method, automatic separation and combination between an unmanned distribution robot and the distribution cabinet are realized, so that the logistics distribution efficiency and the utilization rate of the unmanned distribution robot are greatly improved.

The invention discloses a cutting seedling method of matriarchy cauldron. The cutting seedling method mainly comprises the following steps of (1) performing cutting on the matriarchy cauldron between the last ten days of April and the middle ten days of October, (2) cultivable a seed tree in a greenhouse for 30 days, cutting shoots growing in the current year as cuttings, (3) quickly dipping the 2 four-leaf cutting shoots or the 3 six-leaf cutting shoots in a dotage solution, (4) packing the cutting shoots with moss, twisting and putting the cutting shoots in a hole tray, (5) spraying a carborundum solution formed in such a way that 1 g of carborundum is diluted with 1,200 g of water, and transferring into a cutting shed with an inner layer and an outer layer, (6) keeping the temperature in the shed at 30-35 DEG C and humidity at 80-90%, (7) periodically, spraying a Ethiopian methyl solution formed in such a way that 1 g of Ethiopian methyl is diluted with 8,00 g of water (8) after 90 days, transplanting dotage seedlings with balls into a turfy soil nutrition bowl for cultivation at the temperature of about 30 DEG C and humidity of 60-80%, and (9) taking the cutting seedlings that survive in transplanting as mature seedlings. With the adoption of the method for seedling raising of the matriarchy cauldron, a cutting survival rate reaches above 93%; the cutting seedlings have developed root systems and grow heavily after field planting; the tree vigor is strong; and early bearing and high yield are achieved.

The invention discloses a medicine recommendation evidence-based support method and device, equipment and a storage medium. The method comprises the following steps: acquiring a recommended prescription list of a target patient by utilizing a medicine recommendation model; acquiring N similar patients of the target patient, wherein N is a positive integer; acquiring feature information, prescription information and prognosis information of the N similar patients; constructing a logistic regression model according to the feature information, the prescription information and the prognosis information of the N similar patients; sorting the recommended prescriptions in the recommended prescription list of the target patient by using the logistic regression model to obtain a sorting result of the recommended prescriptions. According to the method, the device, the equipment and the storage medium, prescription recommendation can be accurately carried out on the patient.

The invention discloses a subsurface electric control stepless position adjusting structure, which comprises a base pipe (2) and a motor, a speed reducer and a transmission device which are arranged on the base pipe (2) in a sleeving manner, wherein the motor comprises an annular motor output shaft which is rotatably arranged on the base pipe in a sleeving manner; the speed reducer comprises an annular NN type planetary gear reducer with a small tooth number difference; and the transmission device comprises a threaded pipe (23) which is rotatably arranged outside the base pipe in a sleeving manner and is connected with a secondary internal gear (15). A transmission nut sleeve (35) is arranged outside the threaded pipe (23) in a sleeving manner through threaded connection and can move up and down relative to the base pipe (2); an upper sliding sleeve (30) is in threaded connection with the upper end of the transmission nut sleeve (35) and is arranged outside the transmission nut sleeve (35) in a sleeving manner; and a lower sliding sleeve (37) is in threaded connection with the lower end of the transmission nut sleeve (35) and is arranged outside the transmission nut sleeve (35) in a sleeving manner.

The invention discloses a video analysis platform based on smart big data and a control method thereof, which belongs to the technical field of video analysis and processing, and the video analysis platform comprises an intelligent analysis system, a streaming media service system and a comprehensive management system, the intelligent analysis system, the streaming media service system and the comprehensive management system are sequentially in communication connection, the comprehensive management system is in communication connection with a client, and the client accesses the comprehensive management system through a web; the intelligent analysis system is used for receiving the video data stream and intelligently analyzing the video data stream; the streaming media service system is used for receiving the intelligently analyzed final output data and pushing the final output data to the comprehensive management system; and the comprehensive management system is used for receiving thepreliminary output data of intelligent analysis, providing parameter configuration for the intelligent analysis system, serving security work such as public security prevention and control of each operation area, and providing powerful support for pre-intelligent prediction deployment and control, post-rapid response and maintenance of production and operation stability of the operation area.