便携式运维网关（工业平板电脑）

肩灯

垂直回转库（二）

带任务进度显示图形用户界面的显示屏幕面板

激光灯（2瓦全彩）

带工时监控管理图形用户界面的显示屏幕面板

带图表卡片编辑图形用户界面的显示屏幕面板

茶壶

Cutting disc saw scale control system

... 本实用新型公开了一种切割圆盘锯定尺控制系统，其包括与PLC控制器连接，用于实时检测待切割钢管的实时输送速度及输送位置的定尺测长装置；与PLC控制器连接，用于按照PLC控制器的控制命令，控制圆盘锯锯车以匀加速直线运动进行行走的伺服控制器；以及作为控制中心的PLC控制器，该PLC控制器用于控制伺服控制器在定尺测长装置检测到待切割钢管的输送位置到达指定位置时，控制圆盘锯刀片进行切割。本实用新型操作安全简便，生产效率高、锯片寿命高、运行成本低、更换铣切刀片方便、快捷，设备故障率低，维修方便。 ...

Conflux box shell structure matched with photovoltaic power generation panel group for use

The utility model discloses a combiner box housing structure used in cooperation with a photovoltaic power generation panel group, comprising a foundation, a column and a combiner box body, a cable is guided to the combiner box through a bridge, the bottom of the combiner box body is provided with a threading mechanism corresponding to the bridge, and the inlet part of the threading mechanism extends out of the combiner box body and is communicated with the bridge. An outlet of the threading mechanism is communicated with the bottom end of the combiner box body, and the threading mechanism is internally provided with a distributor plate. The side, away from the threading mechanism, of the combiner box body is hinged to a door body, the two sides of the combiner box are connected with stand columns through connecting pieces, and the stand columns are symmetrically arranged on the top of a foundation. The inlet and the outlet of the threading mechanism are respectively communicated with the ...

Low-power-consumption optimization method and device for recursive FFT (Fast Fourier Transform) processor

According to the low-power-consumption optimization method for the recursion type FFT processor, a twiddle factor generation unit based on a lookup table search method not only has an operation framework in the prior art, but also is additionally provided with additional judgment logic and control logic, so that the number of times of memory access and complex multiplication in the twiddle factor generation process is reduced, and the generation efficiency of the twiddle factor is improved. And the power consumption is effectively reduced. In addition, the twiddle factor calculation unit is responsible for performing complex multiplication operation on twiddle factors and butterfly operation results so as to obtain a final result, aiming at the operation process of the large-point two-dimensional FFT algorithm, phase factors are used for replacing the last-stage twiddle factors of column transformation, one-stage additional read-write memory access is reduced through an advanced calculation ...

Simulation experiment device for carbon fiber pre-oxidation process

The invention provides a carbon fiber pre-oxidation process simulation experiment device. The carbon fiber pre-oxidation process simulation experiment device mainly comprises a pre-oxidation furnace, a tension guiding device and a transmission device. The carbon fiber tows can be driven by the transmission device, the running direction is changed at the tension guiding device, the running tension is regulated and controlled, the carbon fiber tows repeatedly enter the pre-oxidation furnace to achieve continuous pre-oxidation reaction, and the reaction state is closer to the continuous running reaction state of the tows in the actual production process. The problem that the temperature field and the flow field of a pre-oxidation simulation experiment device are poor in uniformity is solved, the design of an internal circulation vertical air supply duct is adopted, the design of an airflow distribution structure, a furnace end air sealing device and the like is matched, and good in-furnace ...

Non-independent hydro-pneumatic suspension system

The invention relates to a non-independent hydro-pneumatic suspension system which comprises a guide mechanism, an integrated hydraulic adjusting system and a multi-channel control unit. The guide mechanism is divided into a single-axle guide mechanism and a double-axle guide mechanism, and the single-axle guide mechanism is arranged on the frame, is positioned at the positions of a first axle, a second axle and a fifth axle and is used for realizing the movement of the axle relative to the frame; the double-axle guide mechanism is arranged on the frame, located at the third axle position and the fourth axle position and used for driving the axle (14) to move relative to the frame (10). The axle is an integral type non-independent axle, suspensions of the whole vehicle are oil gas suspensions, and the requirements for large load, smoothness, jumping and vehicle height can be met at the same time.

Active power control method and device, equipment and medium

The invention discloses an active power control method and device, equipment and a medium, and the method comprises the steps: obtaining a preset base constraint condition, and taking the reduction of the output change of an active power supply in a new energy base as an optimization target, and determining a base target function; optimizing the base objective function based on the base constraint condition, and determining a first active power predicted value of new energy equipment in an active power supply and target active power of a thermal power generating unit; optimizing the first active power predicted value based on a preset cluster constraint condition, and determining second active power of the new energy equipment cluster; and optimizing the second active power based on a preset station constraint condition, and determining the target active power of the new energy equipment station. According to the scheme, base-level, cluster-level and station-level active power optimization ...

Bone tissue structure state detection method

The invention provides a bone tissue structure state detection method, which comprises the following steps of: setting a quantitative evaluation index of bone tissue fluorescence intensity, and determining a specific fluorescence intensity value range of healthy bone and necrotic bone areas and a relationship between a fluorescence intensity value and a distance in a transition area; on this basis, a bone tissue structure classification model is constructed for identifying different types of bone tissues. According to the invention, the bone fluorescence technology is converted from qualitative judgment to quantitative judgment, and the quantitative index fluorescence intensity FI for quantitatively evaluating the fluorescence intensity is provided. According to the method, the FI threshold values of the healthy bone and the necrotic bone and the relation between the FI and the distance in the transition area are obtained through statistical analysis, the bone tissue recognition model is ...

Double-tower nitrogen making system

The invention relates to the technical field of nitrogen making equipment, in particular to a double-tower nitrogen making system which comprises a precooling module, a first purification module, a heat exchanger, a high-pressure nitrogen tower, a first subcooler, a first condensation evaporator, a low-pressure nitrogen tower, a second condensation evaporator, a high-purity oxygen tower and a first reboiler. By arranging the high-purity oxygen tower communicated with the low-pressure nitrogen tower, the whole system can utilize air to produce nitrogen products, and the high-purity oxygen tower can also utilize liquid and gas in the low-pressure nitrogen tower to produce high-purity oxygen products, namely, the whole system can utilize air to produce the nitrogen products and the high-purity oxygen products at the same time; air serving as a raw material is fully utilized, and the input-output ratio of the raw material is increased.

Seawater erosion corrosion resistant Ce-containing copper-nickel alloy and preparation method thereof

The invention discloses a seawater erosion corrosion resistant Ce-containing copper-nickel alloy and a preparation method thereof. The alloy comprises the following chemical components in percentage by weight: 9.5 to 10.5 percent of Ni, 1.5 to 1.7 percent of Fe, 0.5 to 0.7 percent of Mn, 0.03 to 0.05 percent of Ce and the balance of Cu. The preparation method of the alloy comprises the following steps: weighing all alloy element raw materials, adding the alloy raw materials into a crucible of a vacuum melting furnace, melting all the raw materials into clear liquid after vacuumizing and heating operations, and casting the clear liquid into a mold for cooling. And cutting after cooling, and then carrying out homogenizing annealing at the temperature of 1050 DEG C for 4 hours. And gradually rolling the annealed sample to 80% by using a rolling mill, and finally recrystallizing and annealing at the temperature of 800 DEG C for 30 minutes. The Ce-containing copper-nickel alloy with good seawater ...

ZrB2-ZrC-SiC modified carbon/carbon composite material as well as preparation method and application thereof

The invention discloses a ZrB2-ZrC-SiC modified carbon/carbon composite material and a preparation method and application thereof.The preparation method comprises the steps that ZrB2 ceramic powder is introduced into a low-density porous C/C composite material through a vacuum suction filtration method, and then a sample obtained through suction filtration is subjected to ultrasonic treatment; and by adopting an RMI process, reacting ZrSi2 with a carbon matrix to generate SiC and ZrC, and finally obtaining the ZrB2-ZrC-SiC modified C/C composite material. On one hand, ZrB2 ceramic powder is introduced into the porous C/C composite material through vacuum filtration, so that the ZrB2 ceramic powder is uniformly distributed in the C/C composite material; on the other hand, the RMI technology is adopted, ZrSi2 and a carbon matrix react to generate SiC and ZrC, rapid densification of the matrix is achieved, and the ZrB2-ZrC-SiC modified C/C composite material with the excellent ablation resistance ...

Driving shaft friction welding machine and welding method thereof

The invention relates to the field of friction welding machines, and discloses a driving shaft friction welding machine and a welding method thereof.The driving shaft friction welding machine comprises an operation table, a first sliding groove and a second sliding groove are symmetrically formed in the operation table, a first sliding block and a second sliding block are slidably connected into the first sliding groove and the second sliding groove correspondingly, and a rotating unit is arranged on the first sliding block; a fixing unit is arranged on the second sliding block, a sweeping unit is arranged at the position, between the first sliding groove and the second sliding groove, of the operation table, a pushing unit is arranged on the side, away from the sweeping unit, of the fixing unit, and the fixing unit comprises a supporting base which is provided with a third sliding groove; third sliding blocks are axially and symmetrically connected to the two sides of the third sliding ...

Storage spare part management method and system for supply chain

The invention relates to the technical field of spare part management, and particularly discloses a storage spare part management method and system for a supply chain. According to the method, the spare part storage bins are virtually divided; carrying out spare part use cycle recording on a spare part use bin; periodically establishing spare part common loss data; calculating a plurality of key demand quantities and a plurality of other demand quantities; and carrying out spare part demand analysis processing. A spare part storage bin can be virtually divided into a used spare part bin and a buffered spare part bin, spare part use cycle recording, spare part common loss data establishment, spare part demand analysis and used spare part data and buffered spare part data generation are carried out on the used spare part bin, and optimal management of storage spare part management for a supply chain is achieved. Spare part demands are analyzed and managed according to the common loss relation ...

Acquisition method for heat insulation performance associated data of driving cabin

The invention discloses a method for collecting heat insulation performance associated data of a driving cabin. Belongs to the field of automobile performance analysis. The problem of lack of a test method for performing a test on a whole vehicle so as to collect heat insulation performance associated data of the driving cabin is solved. The acquisition method comprises the following steps: adjusting a test vehicle and equipment thereof to meet technical condition requirements; performing same-temperature treatment on the test vehicle; adjusting and setting a high-temperature environment chamber of the test vehicle; carrying out a test vehicle driving cabin heat insulation performance test, carrying out pretreatment, and then carrying out a high-temperature environment cabin test; and acquiring heat insulation performance associated data of the test vehicle driving cabin, and drawing a temperature-time change curve of each temperature measurement point. The acquisition method can be applied ...

Fixing device and performance testing system and performance testing method for ribbed tube

The invention provides a fixing device and a performance testing system and method for a ribbed pipe, and relates to the technical field of performance testing of ribbed pipes. The fixing device is used for fixing a ribbed pipe and comprises a loading piece, two clamping pieces and a fixing piece. The loading piece is provided with a first side used for being connected with a load and a second side opposite to the first side. The two clamping pieces are connected to the loading piece and located on the second side of the loading piece, and a reinforcing rib is clamped between the two clamping pieces; the sides, away from the loading piece, of the two clamping pieces are configured to abut against the peripheral face of the pipeline. The fixing piece is connected to the loading piece and located on the second side of the loading piece, and the fixing piece is configured to abut against the surface, away from the pipeline, of the reinforcing rib. According to the fixing device, the reinforcing ...

Ice cube tray base plate, ice making structure and ice making equipment

The invention relates to the technical field of ice making equipment, and particularly discloses an ice cube tray base plate, an ice making structure and ice making equipment, and the ice cube tray base plate comprises a plate body which is internally provided with at least one refrigerant channel; each refrigerant channel comprises a variable cross-section section and a uniform cross-section section, the variable cross-section sections are of a variable cross-section structure in the refrigerant flowing direction, the uniform cross-section sections are of a uniform cross-section structure in the refrigerant flowing direction, and/or a plurality of first grooves or protrusions are arranged on the outer surface of the plate body at intervals. The refrigerant flow channel in the refrigeration plate is composed of the variable cross-section section and the uniform cross-section section, and/or the first grooves or protrusions are arranged on the outer surface of the refrigeration plate at ...

Key method for preparing sintered neodymium iron boron multilayer core-shell structure permanent magnet

The invention relates to the technical field of permanent magnet preparation, and discloses a key method for preparing a sintered neodymium-iron-boron multilayer core-shell structure permanent magnet, which comprises the following specific steps: step 1, pretreating neodymium-iron-boron alloy, Ce element alloy and La element alloy through a high-energy ball milling method to obtain a mixed raw material; 2, mixing the mixed raw material obtained in the step 1 with heavy rare earth elements, and smelting in inert gas to obtain a uniform melt; and 3, casting the melt into blocks, reducing the blocks into powder through a grinding method, and grinding the obtained powder to remove impurities such as metal inclusions and oxides. According to the preparation method, Ce is used for partially replacing Nd to form a compound with a (Ce, Nd) 2Fe14B phase as a main phase by adopting a dual-alloy method, the preparation method is an effective way for preparing the permanent magnet material with practical ...

Script generation method, visual editor and storage medium

The invention discloses a script generation method, a visual editor and a storage medium. The visual editor is provided with a visual interface divided into an instruction list area, a configuration area and a reference area. The script generation method comprises the steps that a reference file input in the reference area is obtained, the file type of the reference file is recognized, the reference file is analyzed in combination with the file type to obtain a reference instruction related to the reference file, and an instruction bar corresponding to the reference instruction is called and displayed; and in response to a dragging instruction, adding an instruction bar corresponding to the reference instruction and/or an instruction bar in the instruction list area to the configuration area, editing the instruction bar added to the configuration area according to the received configuration parameter, and automatically generating a script code according to an instruction code corresponding ...

Vehicle-mounted hoisting system photovoltaic panel mounting vehicle suitable for mountainous regions and use method thereof

The invention discloses a vehicle-mounted hoisting system photovoltaic panel mounting vehicle suitable for mountainous regions. The mounting vehicle comprises a bottom plate; the crawler walking unit comprises a driving wheel, a driven wheel, a connecting beam rotationally connected with the driving wheel and the driven wheel, a crawler, a height adjusting assembly, a driving assembly and an inclination self-adaption assembly; the grabbing unit comprises a mechanical arm and a clamping jaw unit arranged at the upper end of the mechanical arm; the gyroscope is fixedly connected with the bottom plate; a power distribution control unit; a seat; the multiple sets of crawler walking units are arranged on the chassis, the height adjusting and inclination self-adaption function units are integrated in the crawler walking units, large road holding force can be provided in the mountainous region walking process, and the technical effect of keeping the stable state of the bottom plate is achieved ...

Water bird habitat restoration method based on ecological lever theory

The invention relates to the technical field of waterfowl habitat restoration, in particular to a waterfowl habitat restoration method based on an ecological lever theory. The method comprises the following steps: step 1, determining a target waterfowl habitat to be restored based on an ecological environment of a target wetland area; step 2, selecting a plurality of appropriate basic ecological units in scattered point distribution, annular distribution or S-shaped distribution from the target wetland area; 3, according to the target waterfowl habitat, performing environment optimization on the selected basic ecological unit; and step 4, carrying out long-term monitoring on the ecological environment and the number of waterfowls on the optimized ecological unit, evaluating the restoration condition of the waterfowl habitat, and carrying out further environment optimization on the optimized ecological unit according to the evaluation result. According to the method, the effect of improving ...

High-solid-content low-viscosity thermoplastic propellant and preparation method thereof

The invention provides a high-solid-content low-viscosity thermoplastic propellant and a preparation method thereof. The propellant comprises the following components in percentage by mass: 4-10% of an adhesive; 5%-10% of a plasticizer; 15%-20% of metal fuel; 65%-75% of an oxidizing agent; 2.5%-5% of a small component functional auxiliary agent; the small component functional additive is at least one of a process additive and a combustion performance regulator; wherein the metal fuel is spherical aluminum powder, and the spherical aluminum powder is a combination of a Q1 particle size and a Q3 particle size which respectively account for 7-8% of the mass of the thermoplastic propellant and a Q5 particle size which accounts for 2-4% of the mass of the thermoplastic propellant; the oxidizing agent is ammonium perchlorate, and a combination of a class I ammonium perchlorate particle size accounting for 10-40% of the mass of the thermoplastic propellant, a class III ammonium perchlorate particle ...

Polypropylene composition as well as preparation method and application thereof

The invention belongs to the technical field of high polymer materials, and particularly relates to a polypropylene composition as well as a preparation method and application thereof. The polypropylene composition comprises the following components in parts by weight: 60-80 parts of fresh material polypropylene, 20-40 parts of recycled polypropylene and 1-5 parts of other auxiliaries, the melt index stability index of the new material polypropylene is 1.1-1.3; the melting point of the recycled polypropylene is 154-164 DEG C; the melt index stability index of the recycled polypropylene is 1.5 to 3.0. The polypropylene composition disclosed by the invention can realize higher adhesive property, the selected raw materials are convenient and easy to obtain, the production process is simple, and the polypropylene composition is suitable for large-scale production.

DEVICE FOR ENABLING AUTONOMOUS POWERING OF MONITORING NODE OF SCRAPER CONVEYOR CHAIN

A device for enabling the autonomous powering of a monitoring node of a scraper conveyor chain is disclosed. The device comprises a bottom protection plate, a friction wheel drive device, a limiting device, a generator, a storage battery, a feedthrough device, and dampers; the protection plate is connected to the bottom of a scraper plate of a scraper conveyor and serves as an explosion-proof outer shell; the friction wheel drive device comprises a roller, a friction wheel, a drive shaft, and a shaft coupler; the drive shaft is connected to the generator by means of the shaft coupler; the friction wheel is disposed on the drive shaft, and the outer edge of the friction wheel is in contact with the surface of the roller; the limiting device is a roller housing that is connected to the protection plate, and is used for limiting the roller within the housing; the storage battery is connected to the generator, and is used to store the electrical energy obtained from the generator; the dampers ...

ANTENNA APPLIED TO ALL-METAL REAR HOUSING, AND MOBILE TERMINAL

Embodiments of the present invention provide an antenna applied to an all-metal rear housing and a mobile terminal. The antenna applied to an all-metal rear housing comprises a parasitic antenna resonance component disposed on an assembled component in a mobile terminal. When the mobile terminal is assembled, the parasitic antenna resonance component and an antenna main body disposed on the all-metal rear housing have a position corresponding relationship. The antenna main body comprises an antenna feed unit, an antenna grounding unit, and an antenna radiation component. The parasitic antenna resonance component and the antenna radiation component have a coupling relationship. By means of the antenna applied to an all-metal rear housing and the mobile terminal provided in the embodiments of the present invention, the effect of expanding an antenna frequency band is achieved, antenna performance is improved, the antenna design space is also saved and projection development costs are also ...

SYSTEM AND METHOD FOR DETECTING VIBRATION PERFORMANCE OF HEAD SHEAVE OF MINE HOIST

Disclosed is a system for detecting a vibration performance of a head sheave of a mine hoist, comprising a sensor bracket (4), a laser displacement sensor (5), a sensor box (8), a collector (10) and an upper computer (11). The sensor bracket (4) is provided on a head sheave platform (1). Two laser displacement sensors (5) are provided on the sensor bracket (4), wherein one laser displacement sensor (5) is aligned to one side end face of a head sheave (2) and the other laser displacement sensor (5) is aligned to a radially outer edge of the head sheave (2). The sensor box (8) is provided on a bearing support (6). A sound sensor and an acceleration sensor are provided in the sensor box (8). The signal output ends of the laser displacement sensor (5), the sound sensor and the acceleration sensor are connected to a signal input end of the collector (10), and a signal output end of the collector (10) is connected to a signal input end of the upper computer (11) via the Ethernet. The present ...

MINING ELEVATOR PULLED BY GEARS

A mining elevator pulled by gears, mounted in the shaft wall of a secondary shaft for transporting staff and equipment. The elevator comprises a guide rail frame (1), a counterweight (4), a car (6), a fixing support (7), hoisting sheaves (2), a steel wire rope (3), a drive device (5), a travelling cable (8), and a cable reel (9). Both ends of the steel wire rope (3) are respectively connected with the car (6) and the counterweight (4); a pinion (5-4) of the drive device (5) is engaged with a rack (1-7) on the guide rail frame (1) for driving the car (6) to lift; the steel wire rope (3) is guided by the hoisting sheaves (2); the car (6) and the counterweight (4) are guided by the guide rail frame (1); the guide rail frame (1) is fixed onto the shaft wall by means of the fixing support (7); and the travelling cable (8) is accommodated in the cable reel (9). The whole system is simple in structure, safe and reliable, and convenient to mount, demands less on the perpendicularity of car guide ...

BRAKING FORCE DISTRIBUTION METHOD AND SYSTEM OF MULTIPLE TRAIN UNITS

A braking force distribution method and system of multiple train units. The braking force distribution method of multiple train units comprises: determining a current car of target multiple train units; calculating current axle loads of axles of the current car; and distributing braking forces of the axles of the current car in a positive correlation manner according to the current axle loads of the axles. In this application, the braking forces of the axles are distributed by using an axle load compensation technology. A braking force exerted by an axle with a low axle load is reduced according to a load-decreasing amount of the axle load, while a braking force exerted by an axle with an increased axle load is increased according to a load-increasing amount of the axle load, so that the braking forces exerted by the axles match the axle loads, thereby optimizing adhesion utilization and ensuring optimal functioning of the total braking force.

METHOD AND ELECTRONIC DEVICE FOR DISPLAYING INDICATION INFORMATION

An embodiment of the present application provides a method and electronic device for displaying indication information and relates to the technical field of electronics. The invention enables intermittent display of a fingerprint icon in a screen-off state, and reduces the power consumption of the electronic device. Specific solution: the electronic device displays the fingerprint icon on the screen in the screen-off state and ceases display of the icon after a preset condition is satisfied. The embodiment of the present application is used for indicating a fingerprint recognition area.

METHOD FOR ELIMINATING TIGER STRIPE DEFECT FROM POLYPROPYLENE COMPOSITION AND POLYPROPYLENE COMPOSITION PREPARED BY SAME

Disclosed in the present invention are a preparation method for a polypropylene composition, which eliminates a tiger stripe defect, and a prepared polypropylene composition. The polypropylene composition comprises a polypropylene resin, a toughener, a filler, a pigment, and an aid, wherein the polypropylene resin is compounded by using a high-flow polypropylene having a melt mass flow rate (MFR) of 30-120 g/10 min and a low-flow polypropylene having a melt mass flow rate (MFR) of 0.1-29 g/10 min. The preparation method eliminates tiger stripes from the prepared polypropylene composition by means of a screw combination design and an adjustment of extrusion process parameters, the preparation process being stable and reproducible. The polypropylene composition prepared by the present invention may be used in automotive bumpers and interior decoration products.

ABRASION DETECTION DEVICE FOR SLIDE BUSHING OF WIRE ROPE GUIDE IN VERTICAL SHAFT AND DETECTION METHOD THEREOF

An abrasion detection device for a slide bushing (1) of a wire rope guide in a vertical shaft comprises a plurality of FPC cable units (2), a plurality of voltage detection circuit units, a control system, and a data display device, wherein the plurality of FPC cable units (2) are respectively provided at two end surfaces of the slide bushing (1) of the wire rope guide in the vertical shaft. The plurality of FPC cable units (2) are wound around the periphery of a lacing hole of a wire rope (16) and are sequentially adhered to the surface of an end portion of the slide bushing (1) of the wire rope guide in the vertical shaft, so as to form a closed structure. Each of the FPC cable units (2) is respectively connected to one of the voltage detection circuit units. A signal input terminal of the control system forms a signal connection with the plurality of voltage detection circuit units. A signal output terminal of a control module is connected to a wireless transmission module via an output ...

REAERATION DEVICE AND REAERATION METHOD FOR CONSTRUCTED WETLAND

A reaeration device for a constructed wetland comprises a reaeration pipe (2) and a windmill (1). The reaeration pipe (2) is of a tubular structure with two ends opened. One end of the reaeration pipe (2) is inserted into a wetland substrate, and the other end of the reaeration pipe (2) is connected to the windmill (1) and is used for receiving and accelerating an air flow. The reaeration pipe (2) can be formed by combining multiple inner pipes (6). The inner pipes (6) of different pipe diameters and lengths are sleeved and stacked coaxially or arranged in parallel. Also provided is a method for performing reaeration of constructed wetland by using the reaeration device. The reaeration effect is good, and the operation efficiency is high.

CONTAINER INSPECTION SYSTEM AND PORT FACILITY

Disclosed are a container inspection system and a port facility. The container inspection system comprises a radiation source (31), a radiation detection mechanism (33) and a quayside beam crane (1), wherein the quayside beam crane (1) is used for hoisting a container (5) onto a vehicle (4), and the radiation source (31) and the radiation detection mechanism (33) are mounted on the quayside beam crane (1) for scanning and inspecting the container (5) loaded on the vehicle (4). According to the present inspection system, there is no need to specially deploy a radiation source and a radiation detection mechanism on scene, the scanning and inspection of containers are realized more conveniently, and the inspection efficiency is improved.

MICROWAVE CLOTHES DRYER

A microwave clothes dryer (1), comprising a cavity assembly (10) provided with a barrel (20), a rear plate (30) and a waveguide pipe assembly (40). The waveguide pipe assembly (40) is connected with the side wall of the barrel (20); the side wall is provided with a waveguide opening (202) communicated with the waveguide pipe assembly (40); the rear plate (30) is provided at an opening of the barrel (20) and connected with the barrel (20); and the rear plate (30) is provided with a first air inlet (302). According to the microwave clothes dryer (1), the waveguide pipe assembly (40) is connected with the side wall, provided with the waveguide opening (202), of the barrel (20), the length of a microwave transmitting path is reduced, microwave losses are reduced, and the microwave utilization rate is increased. Furthermore, the first air inlet (302) is formed in the position, at the opening of the barrel (20), of the rear plate (30), and therefore, the air inlet area of the opening of the barrel ...

语音播报机器人

集尘基站

壶（一人壶）

用于显示屏幕面板的邮件交流信息图形用户界面

Data transaction method, device, system and equipment and storage medium

The invention relates to a data transaction method, device, system and equipment and a storage medium, a data demand side issues a data demand in a block chain system, a data provider issues a data application transaction based on the data demand, and then the transaction is completed, compared with the prior art, the data provider does not need the block chain system to issue information of data, and the data transaction efficiency is improved. Therefore, data leakage can be prevented.

Workpiece scanning, positioning and cutting structure of adjustable cutting machine

The invention discloses a workpiece scanning, positioning and cutting structure of an adjustable cutting machine. The workpiece scanning, positioning and cutting structure comprises a pedestal, a rack connected to the pedestal and a cutting power device connected to the rack. The positioning mechanism comprises a fixed support frame structure and a movable support frame structure which are connected to the pedestal and are used for supporting a workpiece, and a sliding assembly which is connected to the pedestal and is used for driving the movable support frame structure to move. Through the design of the positioning mechanism, namely the movable supporting frame structure, the fixed supporting frame structure and the sliding assembly, plate workpieces of different batches and different specifications can be clamped, after the sliding distance of the positioning base is adjusted and set, the positioning rod is turned up, and accurate positioning can be conducted; meanwhile, after one-time ...

Arrangement and statistics method of ALC wallboard connecting angle steel based on BIM technology

The invention discloses a BIM (Building Information Modeling) technology-based ALC (Autoclaved Lightweight Concrete) wallboard connecting angle steel arrangement and statistical method, which comprises the following steps of S1, establishing an ALC wallboard model, and adjusting bottom constraints and top constraints of wallboards; s2, a wallboard slotting outline is established, and Revit software is imported; s3, the specification of the connecting angle steel is selected, and the angle steel in a component library of Revit software is selected for parameter modification; s4, the ALC wallboard is subjected to grooving; s5, connecting angle steel is placed; and S6, creating an angle steel statistical detail table and exporting the angle steel statistical detail table as an Excel table, wherein entries of the detail table comprise specifications, lengths and quantity of the angle steel. Through the BIM technology, arrangement and statistics of the ALC connecting angle steel are completed ...

Air conditioner condenser assembling and welding workbench capable of turning over at multiple angles

The multi-angle overturning air conditioner condenser assembling and welding workbench comprises a grounding platform, a stand column is connected to the grounding platform through a rotating shaft, a hydraulically-telescopic bearing plate is hinged to the top end of the stand column, and an electric push rod is obliquely connected between the stand column and the bearing plate to adjust the hinge angle of the stand column and the bearing plate. Clamping mechanisms for transversely clamping a condenser are arranged on the two sides of the bearing plate, positioning tools for clamping and positioning a heat pipe elbow are arranged on the clamping mechanisms, the heat pipe elbow and a fin heat pipe are connected in one step through rotation of the positioning tools, and the heat pipe elbow is clamped and fixed in an auxiliary mode; the accuracy of a connection angle during welding is ensured, so that the uniformity and reliability of a welding seam are ensured, the heat pipe elbow is clamped ...

Continuous wet mixing device and method for synthetic rubber

The invention relates to the technical field of rubber wet-process mixing, in particular to a continuous wet-process mixing device and method for synthetic rubber, the continuous wet-process mixing device comprises a reaction tank body and a particle forming tank body, and further comprises a mixed feeding mechanism, a mixed discharging mechanism and a coagulation-aiding and filtering-aiding mechanism, the multiple groups of mixing and feeding assemblies are all communicated with the reaction tank body and are used for injecting synthetic rubber emulsion and multiple compounding agents into the reaction tank body and performing primary collision mixing on the synthetic rubber emulsion and the multiple compounding agents, the mixing and discharging mechanism comprises a discharging assembly and multiple groups of gas mixing assemblies, the discharging assembly is mounted on the reaction tank body, and the gas mixing assemblies are mounted on the discharging assembly. When the continuous ...

Method for controlling vigorous growth and promoting flowers after field planting of strawberries in greenhouse

The invention discloses a method for controlling vigorous growth and promoting blossom after field planting of strawberries in a greenhouse, which comprises the following steps: controlling soil humidity: keeping surface soil to be slightly dry and keeping the soil humidity of strawberry root systems to be 50-60%; nitrogen fertilizer absorption is controlled; controlling the temperature of the greenhouse; the appropriate temperature in the flower bud differentiation period is kept at 10-20 DEG C; controlling vigorous growth by using a medicament: when the strawberries grow slightly and vigorously, spraying prohexadione calcium on leaf surfaces, and then spraying monopotassium phosphate on the leaf surfaces; farm management and vigorous growth control: lateral buds and overdense leaves are thinned, and 5-6 complete functional leaves are reserved for each strawberry plant. The method can simultaneously control the vigorous growth of the strawberries, promote the growth of root systems, reduce ...

Multi-ion doped pre-lithiated silica material and preparation method thereof

The invention provides a multi-ion doped pre-lithiated silica material and a preparation method thereof. The preparation method comprises the following steps: grinding silicon monoxide and magnesium copper powder to obtain a material A; adding a lithium sheet into the ether-containing solution, and adding lithium borate to obtain a boron-containing pre-lithiation solution B; then adding the powder material A into the solution B for pre-lithiation; and finally, coating nitrogen-containing amorphous carbon on the surface through a vapor deposition method to obtain the multi-ion doped pre-lithiated silica material. According to the composite material, the electronic conductivity of the material is improved through copper doping, magnesium silicate formed through magnesium doping has the characteristic of good stability, the synergistic effect between the two elements is exerted, and the cycle performance and the power performance of the composite material are improved; and the pre-lithiation ...

Synthetic method of visible light mediated succinimide compound

The invention discloses a visible-light-mediated succinimide compound synthesis method, which comprises the following specific steps: placing an N-substituted acrylamide compound and an oxamic acid compound in a solvent, and reacting under the actions of a catalyst and alkali and under the conditions of blue light irradiation and nitrogen environment at the same time, thereby obtaining the visible-light-mediated succinimide compound. And after the reaction is finished, separating to obtain a target product succinimide compound. According to the synthesis method, green and clean visible light is used as energy, raw materials are simple and easy to obtain, and the product yield is high.

Electrically-driven fruit tree pruning equipment based on storage battery pack

The invention discloses an electric-driven fruit tree pruning device based on a storage battery pack. The electric-driven fruit tree pruning device structurally comprises the storage battery pack, an inverter, a motor and a working module. Aiming at the defect of low efficiency of a power transmission mode of an existing pruning machine by virtue of an engine, a storage battery pack is selected as a power source, so that the power transmission mode is changed, efficient utilization of energy sources and modular application of agricultural machinery are realized, and the working efficiency is improved; and by innovating the existing equipment, the equipment has good application prospect and value.

Ejector block structure for product inverted buckle demolding and demolding method of ejector block structure

The ejector block structure comprises a large ejector block, an ejection power assembly of the large ejector block, a large pitched roof, an ejection power assembly of the large pitched roof and a small pitched roof, the large ejector block is located above the large pitched roof, and the small pitched roof is located between the large ejector block and the large pitched roof and right faces the upside-down position of a product. A first guide rail is fixedly installed at the bottom of the large ejector block, and a T-shaped sliding groove matched with the first guide rail is formed in the top face of the small inclined ejector. A sliding cavity is formed in the top of the large pitched roof, a second guide rail is fixedly inserted into the inner bottom face of the sliding cavity, the small pitched roof is contained in the sliding cavity, and a lower sliding groove matched with the second guide rail is formed in the bottom of the small pitched roof. And the outer end part of the small pitched ...

Communication method and communication device

The invention provides a communication method and a communication device, and the method comprises the steps: transmitting a first synchronization signal block SSB which is used for indicating the time-frequency position of a main common channel; and a second synchronization signal block SSB is sent, the second SSB is used for indicating the time-frequency position of a redundant common channel, and the time-frequency position of the redundant common channel is different from the time-frequency position of the main common channel. According to the scheme provided by the invention, the network equipment not only can send the first SSB to the terminal equipment, but also can send the second SSB, so that the terminal equipment can access the network through the second SSB and the redundant public channel under the condition that the position for transmitting the first SSB or the main public channel is interfered, the anti-interference capability of the public channel can be improved, and the ...

Business data correction method and device and AI digital human training method and device

The invention provides a business data correction method and device and an AI digital human training method and device, and the business data correction method comprises the steps: obtaining abnormal business data; encoding the abnormal service data by using a first encoder to obtain a first encoding vector, and decoding the first encoding vector by using an autoregression decoder to obtain initial service text information; and encoding the initial service text information by using a second encoder to obtain a second encoding vector, and correcting the abnormal service data by using a non-autoregression decoder based on the second encoding vector. The technical problem of inaccurate response of the trained AI digital human caused by a large amount of abnormal data in the business data for training the AI digital human in the prior art is solved.

Sterilization cabinet for injectors and production method of injectors

The sterilization cabinet comprises an outer cabinet body and an inner cabinet body located in the outer cabinet body, a cabinet door is arranged on one side of the outer cabinet body in a matched mode, a plurality of supporting frames are arranged from the side, close to the cabinet door, of the inner cabinet body to the other side of the inner cabinet body at intervals, and the inner cabinet body is fixedly sleeved with the supporting frames; the peripheral side of the supporting frame is fixedly connected with the inner wall of the outer cabinet body, a batten is fixedly installed between the inner wall of the side, away from the cabinet door, of the outer cabinet body and the outer wall of the side, away from the cabinet door, of the inner cabinet body, an ethylene oxide tank, a heating mechanism, a vacuum mechanism and a humidifying mechanism are arranged outside the outer cabinet body, and the ethylene oxide tank is connected with a feeding pipe; the feeding pipe is provided with ...

Line power failure whole process intelligent monitoring method and device and storage medium

The invention relates to the technical field of power distribution power failure monitoring, and discloses a line power failure whole-process intelligent monitoring method and device and a storage medium. According to the invention, when it is detected that a target local dispatching operation mode change list exists in an OMS system, intelligent monitoring of the whole process of power failure of a target line is started; during the period, the whole process of power failure of a target line is divided into several detection nodes of operation order verification, operation condition verification, load control implementation, equipment listing implementation, specification verification, risk control implementation and log record verification, relevant information of power failure of the target line is scanned and collected at regular time, and the detection nodes are detected in sequence. And if any abnormal behavior and information are found, early warning is carried out. According to ...

Epoxy AB glue for Mini LED display screen and preparation method thereof

The invention discloses epoxy AB glue for a Mini LED display screen and a preparation method of the epoxy AB glue. The epoxy AB glue for the Mini LED display screen comprises glue A and glue B, the adhesive A is prepared from 5wt%-10wt% of isocyanate modified epoxy resin, 40wt%-50wt% of glycidyl ester epoxy resin, 25wt%-30wt% of flexible epoxy resin, 5wt%-10wt% of tert-butyl phenol glycidyl ether, 0.2 wt%-0.5 wt% of a defoaming agent and 0.5 wt%-1wt% of a UV (ultraviolet) absorbent. The adhesive A of the epoxy AB adhesive for the Mini LED display screen comprises isocyanate modified epoxy resin, and hydrophobic groups can be chemically grafted on the epoxy resin, so that the stability of molecules in a product is enhanced, and the low-temperature rapid curing capacity and the low water absorption rate of the product are enhanced. In combination with partial content of a test case, the epoxy AB glue for the Mini LED display screen can be cured at 90 DEG C for 10 minutes, has better low-temperature ...

Wall tiling robot

The invention provides a wall tiling robot. The wall tiling robot comprises a moving platform, a three-degree-of-freedom parallel mechanism, a waist part, a first telescopic rod, a second telescopic rod, a third telescopic rod, a wrist part and a suction cup. The moving platform comprises a platform body, four Mecanum wheels and a ceramic tile containing box. The three-degree-of-freedom parallel mechanism comprises a lower platform, an upper platform and three motion branch chains with the same structure, the three motion branch chains are spatially and symmetrically connected between the lower platform and the upper platform, and the lower platform is fixedly mounted on the upper surface of the mobile platform; the waist part is fixedly mounted on the upper surface of an upper platform of the three-degree-of-freedom parallel mechanism; the lower end of the first telescopic rod is fixedly connected to the upper surface of the waist part, and the upper end is connected to a groove in the ...

Display panel, manufacturing method thereof and display device

The invention discloses a display panel, a manufacturing method thereof and a display device. The display panel comprises: a substrate (10); the bedding layer (20) is arranged on one side of the substrate (10); the thin film transistor structure layer (30) is arranged on one side of the substrate (10); the flat layer (40) is arranged on one side, far away from the substrate (10), of the thin film transistor structure layer (30); the organic light-emitting device (50) is arranged on the side, away from the substrate (10), of the flat layer (40), and the organic light-emitting device (50) comprises an anode (51), an effective light-emitting layer (52) and a cathode (53) which are arranged in a stacked mode; the auxiliary electrode (60) is arranged on the side, away from the substrate (10), of the thin film transistor structure layer (30), the orthographic projection of the auxiliary electrode (60) on the substrate (10) and the orthographic projection of the bedding layer (20) on the substrate ...

BIOCOMPATIBLE STENT WITH SLIDING CLIPS

A biocompatible stent with sliding clips includes: a stent body with mesh structure; the stent head, which is located at one end of the stent body and is integrated with said stent body, and which provides a sliding-clip effect when the stent is being curled; stent clips, which are integrated with the stent body and fix the tubular structure of the stent when it is being curled.

RIVER FLOW SPEED MEASURING METHOD AND SYSTEM BASED ON GNSS-R TECHNOLOGY

A river flow velocity measuring method base on the GNSS-R technology at least comprises the following steps: down-conversion and sampling are performed on the received direct signals and reflection signals; the received direct signals are processed and the tracking frequency, the pseudo-range and the carrier wave phase observation value of the direct signals are obtained; data screening is performed on the received GNSS satellite reflection signals, eligible GNSS satellite reflection signals are selected, then the tracking frequency of the direct signals is used as a local reference frequency, each selected GNSS satellite reflection signal is processed by using an open-loop tracking method, and the residual phase of each GNSS satellite reflection signal is obtained; and the river flow velocity is inversely solved by using the residual phases output values of each eligible GNSS satellite reflection signal and in combination with the pseudo-range and the carrier wave phase observation value ...

MINING ELEVATOR CARRYING PLATFORM AND CARRYING METHOD

A mining elevator carrying platform and carrying method, the platform comprises a power system (1) and a four-rod carrying device (5), a rotating rod (3) connected with the power system (1) is set on the carrying device (5); the power system (1) comprises a flameproof motor (1-1), a upper-limited switch (1-2), a down-limited switch (1-5) and a main pulley (1-6), the flameproof motor (1-1) is connected with the main pulley (1-6) through a main steel cable (1-4), a baffle (1-3) is set on the main steel cable (1-4), a double cable channel is set on the main pulley (1-6), and the main pulley (1-6) is connected with a sub-pulley (1-8) by a sub-steel cable (1-7), a sliding plate (1-9) is set on the sub- steel cable (1-7), and a sliding rod (1-10) is set on the sliding plate (1-9). The main pulley (1-6) is driven to rotate by the flameproof motor (1-1) through the main steel cable (1-4), thus the sub-pulley (1-8) is driven to rotate. The sliding rod (1-10) moves in a strip-opening sliding slot ...

MINING ELEVATOR LAPPING PLATFORM SUITABLE FOR FLEXIBLE GUIDE RAIL AND MINING ELEVATOR LAPPING METHOD

A mining elevator lapping platform suitable for a flexible guide rail and a mining elevator lapping method. The lapping platform mainly comprises a support claw package (1) and a power package (2), wherein the support claw package (1) comprises a mounting plate (1-14), a screw rod bearing base (1-15), a screw rod (1-4), a screw nut (1-2), a support rod (1-5), a pushing rod (1-3), a support claw (1-6), a footboard (1-7), a guide rail (1-9) and a guide rail frame (1-12); the power package (2) comprises an explosion-proof motor (2-1) and a bevel gear; and the support claw package (1) and the power package (2) are both installed on a cross beam (3) below an elevator car. The lapping method is as follows: the sharing between a lapping platform and a plurality of horizontal planes is realized, the self-locking function is achieved, the reliable connection of the lapping platform in the plurality of horizontal planes is met, the reliable lapping between the elevator car and a hoistway layer door ...

OVERWIND PROTECTION METHOD AND DEVICE FOR HOISTING SYSTEM OF DEEP WELL

An overwind protection method and device for a hoisting system of a deep well. The method comprises: installing, at two upper and lower extreme positions of an operation region of a hoisting container (7), overwind protection devices (3). Each of the overwind protection devices (3) comprises a electromagnetic buffer device and a mechanical buffer device. The electromagnetic buffer device comprises an exciting coil (5), an external power supply, and a detection and control module. The detection and control module comprises a speed detection component (21), a position detection component (22), and a controller. The speed detection component (21) and the position detection component (22) are separately connected to the controller. The controller is connected to the external power supply. The external power supply is connected to the exciting coil (5). The position detection component (22) is located at a middle portion of the exciting coil (5). The speed detection component (21) is located ...

HEAT DISSIPATION CONTROL METHOD FOR REFRIGERATOR AND REFRIGERATOR

Provided are a heat dissipation control method for a refrigerator and a refrigerator. The heat dissipation control method for a refrigerator (100) comprises: acquiring an operating signal of a compressor (42); according to the operating signal, determining whether the compressor (42) is turned on; and if so, controlling a first cooling fan (43) and a second cooling fan (32) to turn on, so as to dissipate heat of a compressor compartment (12), wherein the rotational speed of the first cooling fan (43) is greater than the rotational speed of the second cooling fan (32). The structure of the refrigerator (100) comprises an outlet air duct (30) provided on the back of a refrigerator body (10), so as to prevent hot air exhausted from the compressor compartment (12) from directly blowing towards a cabinet (200) or a wall around the refrigerator.

ASSISTANT DOCKING METHOD AND SYSTEM FOR VESSEL

An assistant docking method and system for a vessel. The docking method uses a solar blind ultraviolet imaging method, and comprises: using at least two solar blind ultraviolet imaging modules to calculate, according to a light signal received from a solar blind ultraviolet light source array arranged in advance at a shore, the position and the attitude of the vessel relative to a shoreline of a berth of a port during a docking process. Further, when more than three solar blind ultraviolet light imaging modules are used, the precision of position and attitude data of the vessel is improved by using a normalized autocorrelation algorithm and a data fusion algorithm. By using the assistant docking method and system for a vessel, the problem in the prior art that the vessel has berthing difficulty in foggy weather and the problem in the prior art that pilotage and berthing devices for the vessel are greatly affected by weather, environment and the like can be remarkably solved.

INTELLIGENT CHARGER WITH DIAGNOSTIC FUNCTION AND CHARGING METHOD

An intelligent charger with a diagnostic function and a charging method. The intelligent charger comprises: a control module, a diagnosis module, a charging module, a multi-path switch and a detection module, wherein the control module is sequentially connected to the diagnosis module, the charging module and the multi-path switch; and the detection module is sequentially connected to an external connection terminal of a battery, the multi-path switch and the fault diagnosis module. The charging method comprises two modes: a charging mode and a diagnosis mode; the diagnosis mode comprises a two part function, namely fault diagnosis and lifetime detection; the fault diagnosis is detecting a fault problem which can occur in the battery to provide a prompt; and the lifetime detection is detecting the current capacity of a battery, and determining current battery life through the ratio of current capacity to rated capacity. The intelligent charger and charging method have a charging function ...

带成本分摊管理图形用户界面的显示屏幕面板

激光头旋转安装座

旅行包

汽车杯垫

肩灯固定背夹

几何光波导模组（四）

保温瓶支架

电锤

带项目工时管理图形用户界面的显示屏幕面板

几何光波导模组（五）

智能训练舱（无感肌群训练平台）

玻璃红酒杯

A compound laminar industry membrane for water treatment

... 本实用新型提供一种用于水处理的复合层式工业膜，包括基膜、缓冲层、脱盐层和抗污染层，所述缓冲层置于所述基膜和所述脱盐层之间，所述抗污染层设于所述脱盐层的外侧；其中：所述基膜包括铸膜液以及涂覆于所述聚酯无纺布的铸膜液；所述缓冲层是包括聚合物聚酯二元醇和聚酯多元醇的溶质分子之间通过紧密的化学作用形成的膜层；所述脱盐层是包括至少具有两个酰氯基团和两个氨基基团的反应性化合物溶质分子之间通过紧密的化学作用形成的膜层；所述抗污染层是交联剂与含有至少两个反应性羟基的聚合物作用形成的膜层。本实用新型的纳滤膜通量、脱盐率和抗污染性能好，且可对其进行间歇式反洗。 ...

Large -span steel longeron top pushes away uses steel nose girder

... 本实用新型公开了一种大跨度钢桁梁顶推用钢导梁，包括导梁主体，导梁主体包括两片桁片单元，桁片单元包括上弦杆、下弦杆和若干个斜杆，若干个斜杆在上弦杆、下弦杆之间呈“W”形设置，所述导梁主体包括前端的第一导梁段、后端的第二导梁段，第一导梁段与第二导梁段之间通过变截面的第三导梁段连接一起，所述第一导梁段、第二导梁段均由若干个节段组成，节段之间的距离形成节间长度，所述第一导梁段的导梁高度与节间长度之比等于第二导梁段的导梁高度与节间长度之比，且第一导梁段的导梁高度小于第二导梁段的导梁高度。本实用新型可以设计导梁120m实现最大净悬臂160m，最大跨度180m的过墩。 ...

一种用于双包层光纤与石英波导耦合器的熔接装置

... 涉及大功率光纤激光器技术领域，提供了一种用于双包层光纤与石英波导耦合器的熔接装置。主旨在于解决双包层光纤各部分折射率不一致，其吸收光产生热膨胀就会不一致，熔接会产生应力的技术问题。其主要方案为使双包层光纤和石英波导的距离为1um；通过反射镜使激光以较角度100照射进入W反射镜，形成“点状‑一环‑二环”光斑，并射入反射聚焦镜；通过调节反射聚焦镜与W反射镜之间的距离和角度使得中心亮度最高的点状光斑覆盖纤芯中心的高亮区域；一环光斑覆盖低亮区域；二环光斑覆盖双包层光纤的内包层，实现激光光斑照射双包层光纤和石英波导呈熔融状态，使光纤向石英波导推进1um，熔接完成。 ...

Colloidal gold card shell film covering device

The utility model discloses a colloidal gold card shell film covering device which comprises a rectangular plate, a rectangular groove is formed in the left side of the upper side wall of the rectangular plate, a fixed shaft is fixedly installed on the inner side wall of the rectangular groove, a rotating plate is connected to the outer side wall of the fixed shaft in a sleeved mode, a rectangular cylinder is fixedly installed on the left side wall of the rotating plate, and a movable plate is assembled on the inner side wall of the rectangular cylinder in an inserted mode. A fixed plate is fixedly installed on the left side wall of the movable plate, a vertical plate is fixedly installed on the left side wall of the fixed plate, a glass plate is installed on the upper side wall of the fixed plate in an embedded mode, a cylinder is fixedly installed on the left side of the upper side wall of the glass plate, and a suction cup is installed on the left side wall of the rectangular plate in ...

Oil supply assembly, pump body assembly and scroll compressor

The invention provides an oil supply assembly, a pump body assembly and a scroll compressor. The oil supply assembly supplies lubricating oil to a crankshaft center oil hole and comprises at least two impeller assemblies, each impeller assembly comprises a flow channel and an impeller, and the impellers are arranged in the flow channels; an inlet and an outlet of the flow channel are formed in the two axial ends of the impeller, the flow channel further comprises an arc-shaped section, and the lubricating oil enters the impeller in the axial direction through the inlet of the flow channel, leaves the impeller in the radial direction and then is discharged out of the outlet of the flow channel through the arc-shaped section. According to the compressor, the mode that the multiple impellers are arranged in an overlapped mode is adopted, the multiple impellers rotate to supply oil in a pressure difference increasing mode, kinetic energy of lubricating oil is increased by consuming a small ...

Method and device for identifying article catalog in financial field

The invention provides a method and a device for identifying article directories in the financial field, and relates to the technical field of data processing. The method and the device for recognizing the article catalog in the financial field comprise a part-of-speech library module, a preprocessing module, a processing module and a generation module, the part-of-speech library module is a supporting module of the device, and the preprocessing module and the processing module are used for extracting the catalog based on the part-of-speech library module. The generation module is used for outputting a result generated by the processing module; and the part-of-speech library module is used for initializing a directory part-of-speech, initializing an nshort part-of-speech, initializing a user-defined part-of-speech, exhaustion first-level directory features of three types of stock inviting books, user-defined directory features and the like. According to the method, the special catalog is ...

Real-time prediction method for internal gap state of laser metal additive deposition

The invention belongs to the technical field of laser metal additive manufacturing, and particularly discloses a laser metal additive deposition internal gap state real-time prediction method, which comprises the following steps of: 1, acquiring multiple groups of single-channel multi-layer molten pool optical images under different process parameters, processing the optical images into optical image samples, and dividing the optical image samples into a training set and a test set; 2, establishing a deep learning porosity prediction model; 3, inputting the training set into a deep learning porosity prediction model for training; 4, inputting the test set into the trained deep learning porosity prediction model for verification to obtain a final deep learning porosity prediction model; and 5, inputting the real-time data into the final deep learning porosity prediction model to carry out real-time prediction on the internal pore state. According to the method, the optical molten pool image ...

Alliance chain node management device, system and method, electronic equipment and storage medium

The invention relates to an alliance chain node management device, system and method, electronic equipment and a storage medium, and is applied to the technical field of block chains, and the alliance chain node management device comprises an alliance chain management platform, a forwarding interface and a target host driver; the alliance chain management platform is used for generating a control instruction of a target alliance chain node; the forwarding interface is used for forwarding the control instruction to the target host driver; and the target host driver is used for managing the target alliance chain node based on the control instruction. The problems that in the prior art, when dynamic libraries of different types of block chain underlying platforms are manufactured, a universal host agent needs to be manufactured, the deployment complexity is increased, and a communication line is long are solved.

Method and device for predicting abnormal state of service node

A method and a device for predicting an abnormal state of a service node are suitable for a distributed micro-service system and are used for monitoring and reasoning prediction of the state of each service node, and the method comprises the following steps: obtaining the operation state of each service node in a monitoring system at a first moment; the monitoring system is constructed by taking a service node serving as a monitoring object in the distributed micro-service system as a center; according to the running state of each service node and a state transition matrix of the monitoring system, determining a conversion probability of converting the monitoring system into various set states at a second moment; the state transition matrix is obtained through the historical operation state of each service node in the monitoring system; and determining the service node corresponding to the abnormal state as the service node which may be abnormal at the second moment from the set state of ...

Pt-Hf co-modified aluminide coating and preparation process thereof

The invention discloses a Pt-Hf co-modified aluminide coating and a preparation method thereof, and belongs to the technical field of preparation of a high-temperature protective coating on a high-temperature alloy matrix. The method comprises the following steps: firstly, depositing a Ni-Hf layer, a Pt layer and a Ni-Hf layer on a substrate through an electroplating method; then carrying out vacuum annealing to obtain a Ni/Pt-Hf layer; then depositing a pure Al layer; and finally, the Ni/Pt-Hf layer and the pure Al layer are subjected to vacuum annealing, and the Pt-Hf co-modified aluminide coating is obtained. The contents of Ni, Pt and Al in the coating can be adjusted by adjusting the thickness of the electroplated layer and the thickness of the arc ion plating deposition layer, so that the Pt-Hf co-modified aluminide coating with various components can be prepared. The method has the advantages that the preparation process is simple, and the cost is low; pt and Hf elements are added ...

Carbon fiber prepreg sizing post-treatment film removing equipment

The invention discloses carbon fiber prepreg shaping post-treatment film removing equipment, and relates to the technical field of carbon fiber prepreg production and processing equipment.The carbon fiber prepreg shaping post-treatment film removing equipment comprises a bottom plate, a mounting plate is fixedly connected to the upper end face of the bottom plate, and a stripping mechanism, a guide part and a rubbing mechanism are sequentially mounted on the front end face of the mounting plate from left to right; the stripping mechanism comprises a fixing frame, the right end face of a strip-shaped plate is fixedly connected with a separation cutter plate through an elastic piece, and the front end face of a vertical plate is provided with a reciprocating assembly used for controlling the separation cutter plate to reciprocate. The two stripping winding drums arranged in the splayed shape can twist the adhesive film during film stripping, so that the adhesive film is gradually torn from ...

Method for preparing concrete from lithium feldspar powder

The invention discloses a method for preparing concrete from lithium feldspar powder, and belongs to the technical field of concrete.The method comprises the following steps that S1, under the nitrogen protection condition, amino-functionalized zeolite powder, dicarboxyl monomers, pyridine and triphenyl phosphite are added into an N-methyl pyrrolidone solution, stirring reaction is conducted for 3 h at the temperature of 80 DEG C, then dicarboxyl amino acid is added, stirring reaction is conducted for 3 h at the temperature of 80 DEG C, and a mixture is obtained; keeping the temperature unchanged, and continuously reacting for 3-4 hours to obtain grafted modified zeolite; s2, levigating the lithium feldspar powder until the specific surface area is 400-420m < 2 >/kg, mixing the cement, the graft modified zeolite, the lithium feldspar powder, the fine aggregate, the coarse aggregate and water, and curing after a workpiece is manufactured, so as to obtain the concrete. According to the invention ...

Photocatalytic composite material as well as preparation method and application thereof

The invention relates to the technical field of photocatalysts, and discloses a photocatalytic composite material as well as a preparation method and application thereof. The photocatalytic composite material comprises a base material and elemental metal silver loaded on the base material, and the base material is titanium dioxide nano microspheres doped with nitrogen and potassium ions. Besides, a preparation method of the photocatalytic composite material comprises the following steps: (1) mixing titanium potassium oxalate, water, ethylene glycol, N, N-dimethylformamide and silver nitrate to obtain a mixed solution; and (2) carrying out hydrothermal reaction on the mixed solution, centrifuging, washing and drying to obtain the photocatalytic composite material. The photocatalytic composite material prepared by the invention is used for preparing methane by photocatalytic reduction of CO2. The method is simple and effective, the prepared photocatalytic composite material has high stability ...

Intelligent application service platform system for electric precipitation system of power plant and application method

The invention discloses a power plant electric precipitation system intelligent application service platform system and an application method, and the system comprises a power plant electric precipitation system intelligent application service platform which is provided with a whole-process data information processing framework from bottom-layer data communication to upper-layer intelligent application. Comprising a communication management layer, an information security protection layer, a data centralized management layer, a calculation development layer, a business logic layer and an intelligent application service layer, and the information security protection layer is used for completing an information protection function of the system. Different optimization service resources can be effectively integrated, the intelligent level of the control system is improved, the development burden of intelligent application is relieved, the access safety is improved, the problem that an optimization ...

Heat dissipation control method, device and equipment of box-type transformer and storage medium

The invention discloses a heat dissipation control method, device and equipment of a box-type transformer and a storage medium. The method comprises the following steps: calling a first temperature sensor to measure a plurality of first temperature values in the box-type transformer; calling a second temperature sensor to measure a plurality of second temperature values outside the box-type transformer; calculating a difference value between the first temperature value and the second temperature value as a first temperature difference value; determining each heat dissipation scheme configured for each ventilation opening in the box-type transformer under the first temperature difference value; sequentially using the plurality of heat dissipation schemes to control the fan to exhaust gas to the plurality of ventilation openings; respectively correcting the first temperature value and the second temperature value according to the heat dissipation scheme; calculating a difference value between ...

Coal mine gas anomaly detection method and device based on geological structure and electronic equipment

The embodiment of the invention discloses a coal mine gas anomaly detection method and device based on a geological structure and electronic equipment. A specific embodiment of the method comprises the following steps: annularly collecting real-time roadway point cloud data of a target roadway along a mining direction; performing roadway three-dimensional space construction according to the real-time roadway point cloud data; fusing the real-time local three-dimensional space model with a historical three-dimensional space model corresponding to the target roadway; acquiring a gas concentration information set; for the gas concentration information, according to the position of a gas concentration sampling point included in the gas concentration information, mapping a gas concentration value and gas concentration change information included in the gas concentration information to the fused three-dimensional space model; performing global gas concentration prediction according to the obtained ...

Water conservancy equipment state evaluation system based on data acquisition

The invention discloses a water conservancy equipment state evaluation system based on data acquisition. The water conservancy equipment state evaluation system comprises a first equipment information acquisition module, a second equipment information acquisition module, a first environment information acquisition module, a second environment information acquisition module, a data receiving module, a data processing module, a master control module and an information sending module, the first equipment information acquisition module is used for acquiring first equipment information, and the first equipment information comprises pipeline diameter information, pipeline pressure resistance information, pipeline pressure information, standard water pressure information in a pipeline, real-time water pressure information in the pipeline, standard flow information of the pipeline and real-time flow information of the pipeline; the first environment information acquisition module is used for acquiring ...

Transformer operation detection method, device and equipment and storage medium

The invention discloses an operation detection method and device of a transformer, equipment and a storage medium. The method comprises the following steps: extracting at least two first original audio features from an original audio signal; eliminating a signal which is the same as or similar to the reference audio signal from the original audio signal to obtain a target audio signal; extracting at least two second original audio features from the target audio signal; loading an audio recognition network; inputting the at least two first original audio features into a backbone network to extract a first target audio feature; inputting the at least two second original audio features into the branch network to extract a second target audio feature; connecting the first target audio feature and the second target audio feature into a third target audio feature; inputting the third target audio feature into a classification network to identify the health level of the transformer during operation ...

FRACTURE DETECTION SYSTEM AND METHOD FOR DUMBBELL PIN OF SCRAPER CONVEYOR

A fracture detection system and method for a dumbbell pin of a scraper conveyor. The system comprises a scraper conveyor, a wireless ranging apparatus (2), a wireless communication device, a support controller and a monitoring centre. The wireless ranging apparatus (2) is mounted on a ramp plate ledge of a scraper conveyor chute (1), and has a laser range finder and a reflection target plate (24) for detecting a relative displacement between any two adjacent chutes. The wireless communication device realizes communication between the wireless ranging apparatus (2) and the support controller, and transmits the displacement of the laser range finder to the support controller in a wireless transmission manner. The support controller controls an action of the scraper conveyor chute (1). A monitoring centre is electrically connected to the support controller, and can perform storage processing on relative displacement data of any adjacent chutes. In the method, by taking a relative displacement ...