2586results about How to "Simple structural design" patented technology

The invention discloses a rotational flow micro-mixing nozzle with built-in plasma combustion supporting and a micro-mixing combustor. The rotational flow micro-mixing nozzle comprises a tangential rotational flow part, a fuel pipe and a mixing pipe which are coaxially arranged, and plasma combustion supporting exciters arranged on the fuel pipe and the mixing pipe. The plasma combustion-supporting exciter is integrated in the nozzle, the structural design of the micro-mixing combustor can be simplified, and the size and complexity of the micro-mixing combustor are reduced; the plasma combustion-supporting exciter is installed at the top of the mixed gas channel of the rotational flow micro-mixing nozzle, stable adjustment of the combustion process under the variable working conditions can be achieved by controlling opening and closing and the discharge intensity of the plasma combustion-supporting exciter when the load changes, and meanwhile the response speed under the different working conditions is increased; air or an oxidizing agent can be fully mixed with fuel at a specific rotational flow degree through rotational flow air flow generated by the tangential rotational flow component, the combustion range can be widened, and the stable combustion effect under the extreme working condition is enhanced.

The invention relates to the technical field of suspension bridges, in particular to a suspension bridge stress simulation analysis system, which comprises a vibration monitoring module, a cable force prediction and calibration module, an environmental influence analysis module and a structural performance evaluation module, and extracts frequency characteristic values and amplitude information based on vibration frequency data of a suspension bridge steel cable. According to the method, the vibration frequency data is used for deep analysis, potential structure defects are recognized in an early stage, the early warning capacity is remarkably improved, the potential maintenance cost is reduced, the service life of the bridge is prolonged, and the stability and safety of the bridge under variable loads are guaranteed through prediction and adjustment of the real-time cable force state; by integrating environmental data to update the fluid-solid coupling model, the system can accurately simulate the influence of environmental change on the bridge, optimize the structural design, enhance the structural adaptability, improve the economical efficiency and practicability of the bridge design, and optimize decision support, so that the bridge maintenance is more efficient, and the long-term structural safety of the bridge is ensured.

The invention discloses an intelligent thrombus suction and cutting system, and belongs to the field of medical instruments. According to the system, the design of double pressure sensors and the intelligent pressure feedback control technology are adopted, and the suction state (blood suction, thrombus suction or complete blockage) is accurately recognized by monitoring pressure changes in a negative pressure pump pipeline and a suction catheter in real time and combining historical data analysis. The system automatically adjusts parameters of a pipeline control valve, a negative pressure pump, a peristaltic pump and the like according to the parameters, and intelligent optimization control over the suction process is achieved. The innovative integrated design of the double-cavity catheter integrates the functions of suction and thrombus breaking, when the complete blockage state is judged, the thrombus breaking program can be automatically or manually started, thrombus is quickly broken through high-speed liquid impact or thrombolysis medicine injection, and long-time suction catheter blockage is effectively prevented. The system obviously improves the thrombus aspiration efficiency, reduces the blood loss amount of a patient, optimizes the operation process, and has a good clinical application prospect.

The invention discloses an imaging method and system based on cosmic ray muon transmission, which are applied to a control mechanism, and the control mechanism is electrically connected with at least one detection module. The imaging method based on cosmic ray muon transmission comprises the steps that the response state of at least one detection module is obtained, the detection module comprises a plurality of sensor units, and the sensor units are arranged in a string shape. And preprocessing the response state to obtain muon flux in unit area, unit time and unit solid angle. Based on the topographic data, the landform data and the muon flux, the density distribution in the muon ray irradiation range is reversely deduced through a preset algorithm. And performing visual imaging based on a density distribution result. According to the method, the working efficiency of muon geological imaging is improved, the system complexity is reduced, the adaptability in a narrow working environment is remarkably enhanced, and an efficient and convenient solution is provided for the fields of geological exploration, engineering detection and the like.

The invention relates to the technical field of database establishment, in particular to an establishment method and system based on an aircraft aerodynamic model database. The method comprises the following steps: obtaining an aircraft pneumatic data storage demand and an aircraft pneumatic data query demand, and carrying out multi-level storage architecture design to obtain a basic data layer, a processing data layer and a high-level model data layer; the method comprises the following steps: collecting aircraft original aerodynamic data sets of wind tunnel experiments, flight tests and CFD numerical simulation, and transmitting and storing the aircraft original aerodynamic data sets to a basic data layer; carrying out aerodynamic load, flow field parameter and aerodynamic pressure distribution analysis on the original aerodynamic data set of the aircraft in the basic data layer, and transmitting and storing the aerodynamic load, flow field parameter and aerodynamic pressure distribution to the processing data layer; and carrying out aircraft aerodynamic model construction on the data in the processing data layer, transmitting and storing the data to a high-level model data layer, and carrying out R-tree multi-dimensional index connection to obtain an aircraft aerodynamic model multi-level storage database. According to the invention, an efficient and intelligent aerodynamic model database can be established.

The invention relates to a composite sensor for acceleration and pressure monitoring and a working method thereof, and belongs to the field of sensors, the composite sensor comprises an upper shell, a middle shell and a lower shell, the upper end of the upper shell is provided with an M6 mounting thread, the lower end of the upper shell is a hexagonal base, and a groove space is reserved in the inner side of the lower end of the hexagonal base; the appearance of the middle shell is a hexagonal base, and M5 mouthpiece installation holes are formed in the left side and the right side of the middle shell. A double-end beam sheet is arranged in the middle of the inner side of the middle shell and is of a sheet-shaped structure, and the two ends of the double-end beam sheet are fixedly connected with the front inner wall and the rear inner wall of the middle shell or integrally formed. The center of the double-end beam sheet is provided with an integrally connected cylindrical screw rod, and the cylindrical screw rod is provided with an acceleration sensor core body structure; the appearance of the lower shell is a hexagonal base, and a mounting groove is formed in the bottom of the lower shell and used for mounting a pressure sensor core structure; the upper shell, the middle shell and the lower shell are connected in a welded mode. The device is simple in structure, can realize synchronous monitoring of acceleration and pressure without mutual interference, and can realize multi-scene application at the same time.

The invention discloses a thin-wall multi-fin part integrated forming device and process, the thin-wall multi-fin part integrated forming device comprises a die holder, a lower die is arranged at the top of the die holder, a shape control die is embedded in the top end of the lower die, and an upper die is arranged at the top ends of the lower die and the shape control die; the power output end of the upper pressing mechanism is fixedly connected with a shape filling mold which is movably inserted into the lower mold, and the power output end of the secondary upper pressing mechanism is fixedly connected with an ejector rod which is movably inserted into the shape filling mold; the power output end of the downward pressing mechanism is fixedly connected with a male die movably inserted into the upper die, and the power output end of the secondary downward pressing mechanism is fixedly connected with a hole forming rod movably inserted into the male die. The integrated forming process of the whole forming process of local heating, upsetting, necking and back upsetting of a blank and overall forming, hole forming, cooling and demolding of a formed part can be achieved, the complete metal flow line of the thin-wall multi-fin part is kept, and local strengthening and efficient near-net forming of a fin area are achieved.

The invention relates to the technical field of hydraulic engineering full-life-cycle management, in particular to a hydraulic engineering full-life-cycle management method and system based on digital twinning. The method comprises the following steps: acquiring reservoir peripheral data, designing a reservoir dam based on the data, and constructing a three-dimensional model of the reservoir dam; and carrying out reservoir soil condition collection and water fluidity change estimation so as to analyze the soil settlement condition. According to the water fluidity change data and the soil settlement data, calculating water pressure distribution, foundation settlement and reservoir capacity attenuation of the dam; evaluating the efficiency attenuation of the dam generator set, optimizing the dam design, and ensuring the feasibility and efficiency of the design; according to the method, the water conservancy project full-life-cycle management technology is optimized, so that the water conservancy project design is safer and more stable.

The invention discloses a large-depth pressure-resistant communication antenna of an unmanned underwater vehicle and the underwater vehicle, and belongs to the technical field of underwater vehicles, the antenna comprises an antenna shell, a pressure-resistant cabin body and a fin-shaped component, the pressure-resistant cabin body is a component forming a cabin body segment of the underwater vehicle, and the fin-shaped component is a fin-shaped component. The antenna shell comprises a radial supporting part fixed to the pressure-resistant cabin and a shell part fixed to the top end of the radial supporting part, the fin-shaped component is fixed to the radial supporting part, an antenna unit is installed in the shell part, and a wireless communication function unit connected with the antenna unit is arranged in the pressure-resistant cabin. The large-depth pressure-resistant communication antenna of the unmanned underwater vehicle has the advantages of being excellent in communication quality, high in pressure resistance, optimized in size, high in space utilization rate, stable and reliable for a long time and the like, and can meet operation requirements in a deep sea environment.

The invention relates to the technical field of semiconductor image sensors, in particular to a high-speed TDI image sensor pixel unit and an image sensor, the pixel unit is composed of a polysilicon gate, a buried channel and a photodiode, the active region of the photodiode is trapezoidal, the long bottom edge of the trapezoidal active region is connected with the buried channel, the active region comprises multiple stages of n-type injection regions, and the n-type injection regions are connected with the buried channel. And built-in potentials are sequentially decreased from the buried channel injection region to the short bottom edge of the trapezoidal active region. According to the TDI image sensor pixel unit, the clamping photodiode is additionally arranged on a traditional TDI image sensor pixel unit, and the photodiode adopts a combined design of a trapezoid and a multi-stage n-type injection region, so that the potential is gradually increased towards a polysilicon gate in a stepped manner, the flowing speed of charges to the polysilicon gate is increased, the flowing time is shortened, and on the premise that power consumption is not increased, the photoelectric conversion efficiency is improved. The method can be applied to high-speed scenes. The image sensor is designed based on the pixel units, so that the power consumption can be effectively reduced, the information acquisition speed is improved, and the image aliasing problem is avoided.

The invention relates to an air fryer with a bottom IH coil heating plate, and aims to solve the technical problems that the existing similar air fryer with upper and lower heating pipes is poorer in bottom heating temperature stability and more difficult to control, and meanwhile, the steam heating structure design and the inner pot putting induction detection structure design are too complicated and the production cost is higher. The air fryer is characterized in that an IH coil heating plate is arranged at a metal heat insulation layer at the bottom of the lower portion of an inner pot of the air fryer, a grill is arranged in the inner pot, the inner pot is a non-magnetic pot body or a ferrite pot body, and the grill is a ferrite grill; the baking tray is aligned with the IH coil heating tray below, and the grill in the inner pot is heated by the magnetic induction of the IH coil heating tray through the inner pot; when the inner pot is a non-magnetic pot body, a glass layer is arranged at the hollow part in the middle of the inner bottom of the inner pot; meanwhile, the IH coil heating disc serves as a microswitch, and whether the inner pot of ferrite is placed or not is sensed through the magnetic field generated by the IH electromagnetic module before use.

The utility model discloses a pool prefabricated side plate, a side plate connecting structure and a cylindrical assembly type pool, the pool prefabricated side plate comprises an arc-shaped concrete plate body, an arc-shaped metal plate is integrally formed on the concave arc surface side of the arc-shaped concrete plate body in a pouring mode, and a reinforcing mesh layer formed by weaving a plurality of longitudinal reinforcing steel bars and a plurality of transverse reinforcing steel bars is pre-buried in the arc-shaped concrete plate body. The upper ends of the longitudinal steel bars extend out of the upper end face of the arc-shaped concrete slab body to form first steel bar connectors, and the two ends of the transverse steel bars extend out of the vertical faces of the two corresponding sides of the arc-shaped concrete slab body to form second steel bar connectors. The prefabricated side plate of the pool has good structural strength and good overall seepage-proofing and leakage-proof performance; the steel bar joints I are conveniently welded and fixedly connected with the steel bar joints on the outer peripheral surface of the pool top plate when the pool is built; the reinforcing steel bar joints II are convenient for welding and fixed connection between the adjacent pool prefabricated side plates when the pool side wall is built; the side plate connecting structure is ingenious and reasonable in structural design, and it is guaranteed that the cylindrical assembly type pool can be manufactured and implemented smoothly.

The utility model relates to a modular building connecting node easy to assemble, which comprises a plurality of modules needing to be assembled mutually and connecting components used for connecting the modules, a box type node connecting box is arranged on the splicing corner of each module, bolt holes and positioning holes are respectively arranged on the splicing surface of the node connecting box, and the bolt holes and the positioning holes are connected with the connecting components. The other face of the node connecting box is further provided with an operation opening penetrating through an inner cavity of the node connecting box. The connecting assembly comprises a connecting plate and a positioning insertion block, a bolt hole and a positioning hole are formed in the connecting plate, and the positioning insertion block is inserted into the positioning hole of the connecting plate; connecting assemblies are arranged between the mutually-spliced modules, the two ends of the positioning inserting blocks are embedded into positioning holes of the joint connecting boxes on the mutually-spliced modules respectively, and the connecting plates and the mutually-spliced modules are fixedly connected through high-strength bolts. The module has the advantages that the module is convenient to hoist and align and easy to assemble, the assembling efficiency of a modular building can be improved, and a good sound insulation effect can be achieved.

The utility model relates to the technical field of water ecology research, in particular to an automatic sample concentration device. The automatic sample concentration device comprises a case, a concentration barrel, a liquid suction device, a suction pipe and a sample bottle, a case cover is arranged at the top of the case, the concentration barrel is arranged in the case, the suction pipe is vertically arranged at the lower end of the case cover, the lower end of the suction pipe extends into the concentration barrel from top to bottom, and the liquid suction device is arranged in the case cover. The liquid suction device is connected and communicated with the upper end of the suction pipe, a sample discharge port with an electric control valve is formed in the bottom wall of the concentration barrel, the sample bottle is arranged below the sample discharge port, and a sampling port for taking out the sample bottle is formed in the side wall of the case. The device has the advantages that the structural design is simple and reasonable, the subsequent concentration operation process can be simplified on the premise of realizing natural precipitation and concentration of a sample, the detection efficiency is improved, and the accuracy of a detection result is ensured.

The invention discloses a spring-free magnetic springback type switch key, which comprises a shell, a shaft rod inserted into the shell, a magnetic column arranged in the shaft rod, an electromagnetic coil positioned in the shell and arranged outside the shaft rod in a surrounding manner, and a trigger assembly mounted in the shell and matched with the shaft rod, the shaft rod is provided with a hollow column body extending downwards, and the magnetic column is located in the hollow column body; an annular wall is arranged on the inner bottom face of the shell in an upward protruding mode, a guide groove matched with the hollow column in the shaft rod is formed, and the guide groove is used for conducting linear guiding on relative matching of the hollow column. And the electromagnetic coil is sleeved outside the ring wall. According to the switch key, the electromagnet is matched with the magnet, rebounding of the key is achieved through magnetic force, and the intensity of feedback force is flexibly changed by adjusting the magnetic force of the electromagnet.

A single-helicoid planetary roller spiral jacking device comprises a first rotating disc 10 and a second rotating disc 20, the first rotating disc is provided with first conical surface spiral teeth 11, the second rotating disc is provided with a second conical surface 21, a conical roller 30 is arranged between the first rotating disc 10 and the second rotating disc 20, the conical roller is provided with roller ring teeth 31 meshed with the first conical surface spiral teeth 11, and the roller ring teeth 31 are meshed with the first conical surface spiral teeth 11. The first rotating disc 10 and the second rotating disc 20 coaxially and relatively rotate, and the conical roller 30 rolls on the first conical surface spiral teeth 11 and the second conical surface 21. The first rotating disc provided with the first conical surface spiral teeth is adopted, the conical rollers are provided with the annular teeth meshed with the first conical surface spiral teeth, radial asynchronous movement of the multiple conical rollers can be avoided, the conical rollers are accurately kept in the radial position, and jacking loads can be evenly borne; in addition, sliding between the conical pin roller and the first rotating disc can be avoided, the operation effect is improved, the pin roller retainer structure provided with the pin roller sliding frame is adopted, the diameter of the conical pin roller is not limited by the retainer mechanism, and the structural design of the conical pin roller can be optimized.

The invention relates to an anti-backflow device, system and method and a power generation system. The anti-countercurrent device comprises an AC-DC conversion power supply module used for taking power from an inverter power grid side to obtain a DC power supply signal to at least supply power to a main control module; the detection module is connected in series in the electric energy output branch of the single photovoltaic power generation unit and is used for detecting, obtaining and outputting a first flow direction signal containing current flow direction information in the electric energy output branch; the electronic switch module is connected in series in the electric energy output branch and is used for connecting or disconnecting the electric energy output branch; and the main control module is used for acquiring the first flow direction signal to obtain the current flow direction and controlling the on-off of the electronic switch module according to the current flow direction. According to the embodiment of the invention, current detection, reverse current blocking and automatic recovery can be automatically controlled by the system, manual intervention is not needed, and the maintenance cost of the power station is greatly reduced.

The invention discloses a method for preparing a 700 DEG C-resistant high-performance titanium-based composite material by using a selective laser melting technology, relates to the field of alloys, and aims to solve the problems that a traditional method for preparing and processing a high-temperature-resistant titanium-based composite material is tedious and complicated, and a complicated component is difficult to form. According to the method, titanium alloy TC11 powder is used as a substrate for preparing the high-temperature titanium-based composite material through selective laser melting, and ceramic powder is used as a raw material for component modification; performing low-energy ball-milling mixing and drying; a three-dimensional model is designed and constructed, printing parameters and a printing strategy are set, a printing substrate is preheated, and the dried composite powder is used for printing; and annealing heat treatment. According to the light titanium-based composite material, the heat-resistant temperature reaches 700 DEG C, and the use requirements are better met.

The invention discloses an in-situ integration method of an array bearing temperature sensor, and aims to solve the problem that the complexity of a bearing structure is increased by an existing bearing integrated sensor. The in-situ integration method of the bearing temperature sensor comprises the following steps: 1, cleaning the surface of a bearing; 2, depositing an insulating layer substrate on the surface of the outer ring of the clean bearing by adopting a magnetron sputtering process; 3, adopting a flexible mask plate, and arranging the mask plate on the outer diameter surface of the outer ring of the bearing; 4, sputtering and depositing a thermal resistance sensitive layer on the insulating layer of the outer diameter of the bearing outer ring by adopting a magnetron sputtering process; and 5, sputtering and depositing a protective layer on the thermal resistance sensitive layer of the outer diameter of the bearing outer ring by adopting a magnetron sputtering process to complete the in-situ integration method of the array bearing temperature sensor. The array thermal resistance film temperature sensor is formed by adopting the film thermal resistance sensor in-situ shape-following preparation process, and the structure of the whole system is simplified through the sensor in-situ integration process.

The invention provides an outgoing line sheath, a motor and a power line outgoing line assembling method thereof, and an air conditioner, the outgoing line sheath comprises an outer sleeve body, the outer sleeve body is provided with a line outlet penetrating through two opposite end faces of the outer sleeve body, and the outgoing line sheath also comprises a first line clamping assembly and a second line clamping assembly which are arranged along the line outgoing direction perpendicular to the line outlet and are opposite to each other about the line outgoing direction; the first wire clamping assembly and the second wire clamping assembly can be driven to move close to each other so as to clamp a cable which is located between the first wire clamping assembly and the second wire clamping assembly and passes through the wire outlet. The device can be compatible with reliable clamping and fixing of various cables of different specifications, the phenomenon that the cables are loosened or crushed due to the fact that the threading holes of the outlet sheath are not matched with the specifications of the cables in the prior art is effectively overcome, multiple sets of molds do not need to be repeatedly opened, the mold opening cost is saved, the general use degree of materials is improved, and the production efficiency is improved. And the management work of material coding is simplified.

The invention relates to the technical field of photoresist coating of wafer level packaging, in particular to a fine atomization resonant cavity structure and a gluing method.The fine atomization resonant cavity structure comprises a resonant cavity, a spherical resonant cavity is arranged in the resonant cavity, and the diameter of the spherical resonant cavity is integer multiples of the half-wavelength of ultrasonic excitation; the top end of the resonant cavity is provided with an opening for ultrasonic excitation input, and the bottom end of the resonant cavity is provided with an acoustic resonance resonant cavity; and the liquid supply needle is inserted into the acoustic resonance cavity from the resonance cavity. According to the structure and the method, the uniformity of photoresist spraying and the quality of a film layer can be improved, accurate sound field regulation and control are utilized, a micro-channel is not needed to provide fluid flow, and the potential problem of spray hole blockage is avoided; the acoustic wave is focused in the resonant cavity, and liquid drops can be broken in an extremely short time, so that the atomization particle size is small, the concentration ratio is high, and the film thickness of the photoresist is uniform and controllable; and the film layer uniformity is high, the film layer defects are few, the conformal coating of the complex three-dimensional microstructure can be realized without being limited by the surface morphology of the wafer.

The utility model discloses a sounding monomer, a sounding module and an electronic device, and relates to the technical field of electroacoustic transduction, the sounding monomer comprises a magnetic circuit system, a vibration system and a support member, the vibration system comprises a first vibration assembly and a second vibration assembly which are arranged at the same side of the magnetic circuit system and vibrate along a first direction, the supporting piece is arranged on a first edge magnetic part of the magnetic circuit system, a body part of the supporting piece comprises a first supporting part and a second supporting part which is connected to the end, away from the magnetic circuit system, of the first supporting part and extends in the second direction, and the second supporting part comprises an upper surface and a lower surface which are distributed in the first direction. One of the inner peripheral side of the first diaphragm assembly and the outer peripheral side of the second diaphragm assembly is connected to the upper surface, and the other one is connected to the lower surface. The sound production single body can realize light and thin design, occupies a small assembly space, can realize the function of a loudspeaker with vibrating diaphragms arranged on two sides, and is ingenious and practical in structural design.

The utility model relates to the technical field of vehicles, and discloses a limiting device, a steer-by-wire system and a vehicle, and the limiting device comprises a steering shaft, at least one rotating piece and two rotating limiting pieces. The at least one rotating piece is sequentially and rotatably arranged on the steering shaft in a sleeving mode in the axial direction of the steering shaft, the rotating piece is provided with a second limiting part, and the second limiting part on the rotating piece located at the first end in the axial direction of the steering shaft can abut against or be separated from the first limiting part in the circumferential direction of the steering shaft. The second limiting parts on any two adjacent rotating pieces can abut against or be separated from each other in the circumferential direction of the steering shaft. The two rotation limiting pieces are arranged in the circumferential direction of the steering shaft in a spaced mode and used for limiting the rotation range of the second limiting part on the rotating piece located at the second end in the axial direction of the steering shaft. By means of the arrangement, the rotation angle range of the steering shaft is limited, rotation resistance torque can be generated on the steering wheel under the power-off working condition of an electric control system of the steer-by-wire system or when faults occur, the number of rotation turns of the steering wheel is limited, and a clock spring is protected.

The invention discloses a forced air cooling high-frequency transformer fin radiator optimization design method suitable for a source network load storage integrated system. A polynomial response surface model capable of reflecting the heat spot temperature of a radiator is established; establishing a three-dimensional model of the fin radiator under different combination designs, and determining the highest temperature under different combination designs; taking the highest temperature of the fin radiator as an optimization target, taking the screened decisive influence factor as an independent variable, carrying out test design by adopting a response surface method, obtaining the influence degree of a response surface model and each variable on a result through residual analysis of the response surface method, and obtaining a final response surface function; and obtaining an optimal value of each variable by adopting a genetic algorithm according to the response surface model. According to the method, the influence of different variables on the highest temperature can be analyzed, the optimal solution can be directly obtained, and the calculation amount and the test frequency are reduced. The highest temperature of the high-frequency transformer can be reduced, and the highest temperature of the high-frequency transformer can be reduced to meet the engineering requirement.

The invention discloses a cutting device, and particularly relates to a material belt cutting device and material belt cutting and placing equipment suitable for an automatic production line, and the material belt cutting device comprises a cutter and a positioning pin assembly; the driving device is used for driving the cutting knife and the positioning pin assembly to position and cut the material belt in the process of moving towards the direction of the material belt; the guide groove plate assembly is used for guiding the conveying direction of the material belt; and the positioning device is used for positioning the belt section cut by the cutter and the positioning pin assembly after the belt section moves forwards by the notch distance under the guide of the guide groove plate assembly. The material belt cutting device solves the technical problem that the material belt cutting device can accurately position cut belt sections. According to the invention, the cut belt sections are synchronously and accurately positioned in the material belt cutting process; meanwhile, the material belt cutting and tray placing equipment suitable for the automatic production line can automatically cut the material belt and complete tray placing, the material belt cutting and tray placing precision and efficiency are improved, and the material belt cutting and tray placing equipment suitable for the automatic production line is suitable for the automatic production line.

The invention discloses an impact type rotating wheel hollow water bucket structure and a manufacturing method thereof, and relates to the technical field of hydroelectric power generation, in particular to the manufacturing method of the impact type rotating wheel hollow water bucket structure, which comprises the following steps: S1, preparing an impact type rotating wheel hub and a water bucket root solid area through forging, milling, polishing and other process means; s2, calculating a water bucket hollow part model through the working stress of the rotating wheel; and S3, the prepared rotating wheel hub is clamped to a positioner, and according to the model calculated in the above steps, the additive manufacturing of the rotating wheel hollow water bucket is achieved by continuously and cooperatively adjusting the spatial position of the rotating wheel and the posture of a welding gun. The invention has the advantages of reducing the weight, improving the stability, reducing the inertia, prolonging the service life, saving the cost, promoting the sustainable development, optimizing the structural design, improving the performance, improving the efficiency, reducing the energy consumption, being convenient to manufacture and maintain and enhancing the adaptability.

The utility model provides film wrapping equipment for a blade battery. The film wrapping equipment comprises a box body frame, a first battery transmission mechanism, a second battery transmission mechanism, a first long side face wrapping mechanism, a front and back face wrapping mechanism, a battery turnover mechanism, a manipulator and a second long side face wrapping mechanism, the first long side face wrapping mechanism, the front and back face wrapping mechanism, the battery turnover mechanism and the second long side face wrapping mechanism are sequentially arranged on the upper end face of the box body frame from right to left; the first long side face wrapping mechanism and the front and back face wrapping mechanism are right opposite to the first battery conveying mechanism, and the battery turnover mechanism and the second long side face wrapping mechanism are right opposite to the second battery conveying mechanism. According to the film coating equipment for the blade battery, the problems that the film coating quality problem of the blade battery is prominent and the efficiency is low due to the fact that the film coating speed is low and the film coating quality cannot be guaranteed in a blade battery film coating technology in the related technology are solved.

The embodiment of the utility model provides electronic equipment, and belongs to the technical field of electronics, a telescopic conductive part is arranged between a shell and a flexible screen of the electronic equipment, the two ends of the conductive part in the telescopic direction are electrically connected with the shell and the flexible screen, the conductive part is provided with a cavity, and the flexible screen can drive the conductive part to stretch out and draw back and compress or expand the cavity. Reliable assembly and electric connection between the flexible screen and the shell can be realized through the conductive part, and the conductive part does not have a reverse jacking force effect on the flexible screen, so that the problem of causing blackspots to the flexible screen is avoided under the condition of ensuring stable conduction of the flexible screen and the shell. In the scenes of touch operation and the like, when a conductive area, corresponding to the conductive part, on the flexible screen is traversed, the flexible screen drives the conductive part to contract and compress the cavity, for example, when the conductive part is compressed to the limit, the cavity can be completely compressed, the flexible screen and the conductive part are stacked on the rigid shell, the thickness is obviously reduced, and the service life of the flexible screen is prolonged. Obvious local protrusions, bumps and the like cannot be formed on the flexible screen, and it is guaranteed that the hand feeling does not change obviously.

The invention relates to a gold-stamped anti-oxidation alumite film and a gold-stamped printed matter, the gold-stamped anti-oxidation alumite film comprises a base material film layer, a release layer, a color layer, an aluminum-plated layer and a glue layer which are connected in sequence, and an anti-oxidation graphene film layer is arranged between the aluminum-plated layer and the glue layer. Thus, the anti-oxidation graphene film layer is arranged between the aluminum-plated layer and the adhesive layer, the main component of the anti-oxidation graphene film layer is graphene, graphene does not react with acid and alkali, and excellent chemical inertness and chemical stability are achieved; meanwhile, the graphene also has in-plane impermeability, so that substances in the solution cannot permeate, and excellent physical isolation and anti-oxidation effects can be achieved. The high thermal conductivity of the graphene can also avoid the problem of poor heat dissipation of the substrate caused by the addition of the coating. Through the arrangement of the anti-oxidation graphene film layer, the technical problem that oxidation occurs after conventional alumite gold stamping is well solved.

The invention provides a hydrogen-ammonia mixed low-nitrogen combustor, and belongs to the technical field of combustors. The technical problem of gas combustion with hydrogen and ammonia serving as fuel at present is solved, and the problems that due to the fact that the ammonia combustion reaction activity is poor, the hydrogen combustion speed is high, a nozzle is burnt by tempering, and the NOx emission concentration is high are solved. The device comprises a hydrogen introduction pipe, an ammonia gas introduction pipe, a fuel gas mixer, an annular header, ammonia gas branch pipes and ammonia gas nozzles. The hydrogen introducing pipe comprises a central hydrogen pipe and a combustion-supporting hydrogen pipe, the outlet end of the central hydrogen pipe is located in the annular collecting box, the input end of the combustion-supporting hydrogen pipe is connected with the central hydrogen pipe, the output end of the combustion-supporting hydrogen pipe is connected with the fuel gas mixer, and the output end of the ammonia introducing pipe is connected with the fuel gas mixer; the output end of the gas mixer is connected with an annular header, the annular header is connected with a plurality of ammonia branch pipes, the ammonia branch pipes are annularly arranged, and ammonia nozzles are arranged at the outlet ends of the ammonia branch pipes. The device is mainly used for hydrogen-ammonia mixed combustion.