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Unmanned aerial vehicle signal detection and identification method based on spectrum feature enhancement
PendingCN121966783Areliable resultsAdapt to the needs of different scenariosCommunication jammingWireless communicationFrequency spectrumEngineering
The invention discloses an unmanned aerial vehicle signal detection and identification method based on spectrum feature enhancement. The method comprises the following steps: firstly, carrying out time-frequency transformation on a received signal to obtain an original time-frequency graph; performing learning enhancement on the degenerated time-frequency graph by adopting a coding-decoding type deep neural network, and realizing noise suppression and structure recovery by combining pixel reconstruction, structural similarity and a texture perception loss function; and finally, performing target area detection and positioning on the enhanced time-frequency graph, directly outputting a structured result containing a time-frequency range, a category and confidence, and completing conversion from a frequency spectrum to a linkable engineering target. According to the unmanned aerial vehicle signal detection and recognition method based on spectrum feature enhancement, a spectrum feature enhancement mechanism is introduced before traditional spectrum analysis and feature recognition processing, and region-level detection and judgment are executed under the enhanced spectrum constraint condition; reliable discovery, positioning and identification of an unmanned aerial vehicle control link and an image transmission link in a complex electromagnetic environment are realized.
Owner:SUZHOU XIANNONG INFORMATION TECH CO LTD
Mechanical pressure compensation device for a loss-in-weight scale
This utility model discloses a mechanical pressure compensation device for a loss-in-weight scale, including a loss-in-weight scale, a receiving reactor, a loss-in-weight scale discharge pipe, and a pneumatic sealing valve. The loss-in-weight scale has a feed inlet at the top and a discharge port connecting flange at the bottom. The receiving reactor has a feed inlet, and a receiving reactor inlet connecting flange is also provided at the feed inlet. One end of the loss-in-weight scale discharge pipe is fixedly connected to the discharge port connecting flange at the bottom of the loss-in-weight scale, and the other end passes through the receiving reactor inlet connecting flange and connects to the inside of the receiving reactor inlet. A radial gap exists between the outer wall of the loss-in-weight scale discharge pipe and the inner hole of the receiving reactor inlet. A flexible discharge connector provides a sealed connection between the loss-in-weight scale discharge port connecting flange and the receiving reactor inlet connecting flange. This device compensates for pressure fluctuations within the reactor, improving the stability and weighing accuracy of the material conveying process.
Owner:ZHONGHANG ELECTRONIC MEASURING INSTR (XIAN) CO LTD
Reversing floating structure of four-way vehicle
ActiveCN224198447UGuaranteed smoothnessreduce vibrationStorage devicesMechanical conveyorsVehicle frameControl theory
Owner:HEFEI GEN SONG AUTOMATION TECH
Calibration method based on fly-focus x-ray imaging system
PendingCN121971115Areduce dependenceReduce processing costsRadiation diagnosticsData acquisitionSystem configuration
The invention discloses a calibration method based on a flying focus x-ray imaging system, which belongs to the technical field of x-ray scanning and comprises the following steps: S1, setting up a calibration environment; s2, scanning a focus, and controlling electron deflection by a deflection system to enable the focus to move point by point in a focal plane; s3, data acquisition: acquiring a signal generated after the x-ray passes through the hole slot by a detector; s4, searching effective focuses, and automatically searching focuses aligned with the hole slots through an algorithm; and S5, data updating: refreshing a system configuration table and current parameters. According to the calibration method based on the fly-focus X-ray imaging system, the calibration work of the fly-focus imaging system is achieved through a simple process and an intermediate process, a complex subsystem independent calibration scheme depending on a precise process is replaced, the usability of products is improved, and the production, machining and maintenance cost is reduced.
Owner:北京方隅探维科技有限公司
Snap ring punch for combined die-casting machine
The utility model discloses a snap ring punch for a combined die casting machine, which comprises a supporting seat, a plurality of snap rings are sleeved on the outer wall of the supporting seat, through grooves are arranged at four corners of the outer wall of the supporting seat, limit grooves are arranged among the through grooves, limit blocks are slidably connected in the limit grooves, built-in jacking pipes are fixed on the inner sides of the limit blocks, and the built-in jacking pipes are fixed on the outer wall of the supporting seat. A square penetrating groove is formed in the position, corresponding to the through groove formed in the supporting base, of the built-in jacking pipe, a fixing clamping block is slidably connected into the through groove of the supporting base, a pushing block is fixed to the inner side of the fixing clamping block, and a driving piece is arranged at the top end of the supporting base. When the snap ring is installed, the built-in jacking pipe can move upwards through thread meshing of the round rod and the built-in jacking pipe only by horizontally placing the supporting base, sleeving the snap ring and rotating the connecting base, then the fixed clamping block is driven to be inserted into the clamping groove of the snap ring, rapid assembly is completed, and compared with a traditional snap ring installation mode, the assembling steps are remarkably reduced, and the operation time is remarkably shortened.
Owner:FUXIN EVERBRIGHT DIE CASTING MASCH PARTS MFG CO LTD
Central air conditioner refrigerant condensing double-pipe symbiotic synchronous installation method and system
The application discloses a central air conditioner refrigerant condensing double-pipe symbiotic synchronous installation method and system, adopts a symbiotic tool with a bidirectional linkage elastic support point to construct a two-way pipeline load displacement mutual feedback symbiotic matrix, synchronously collects the inclination and temperature difference sensing data during hoisting, dynamically adjusts the cold and hot pipeline spacing based on the inclination-temperature difference coupling formula, and synchronously completes the partition vibration reduction, heat insulation and heat preservation integrated molding through the tool clamping; the same section tool wireless networking forms a control matrix, has a single-point global fine-tuning function, a network interruption stable state locking function, identifies the abnormality through the load, slope and cold and hot isolation three parallel self-checking, only fine-tunes the fixed point and encrypts the whole process data to generate a traceability file, and unifies the tool locking after reaching the standard. The application discards two sets of independent supports, realizes mechanical mutual compensation, dynamically eliminates the cold bridge, synchronously constructs, greatly improves the efficiency, can globally balance the pipe control, the concealed engineering data is complete and traceable, and solves the industry pain points such as pipeline deformation, dewing, acceptance traceability and the like.
Owner:ZHUHAI SHUANGSAI MECHANICAL & ELECTRICAL EQUIP ENG CO LTD
A perforated folded plate for a sedimentation basin and a sedimentation basin with an inclined installation of the perforated folded plate
ActiveCN224388139Uincreased turbulenceImprove settlement performanceSedimentation separationSludgeOutfall
The utility model belongs to water treatment technical field, specifically discloses a perforated folded plate for sedimentation tank and the sedimentation tank of oblique installation perforated folded plate. The perforated folded plate is the plate -like structure of undulating extension and includes at least three folded plate tops of undulating top end and three folded plate bottoms of undulating bottom end, and the folded plate top of perforated folded plate is adjacent to the folded plate bottom and is provided with a plurality of folded plate holes on or close to the folded plate top. The water inlet and the water outlet of the sedimentation tank are separately arranged in the lower part and the upper part of the pool body, a folded plate support is fixed above the water inlet in the pool body, a plurality of aforementioned perforated folded plates are obliquely arranged on the folded plate support in the pool body, the folded plate top of the perforated folded plate faces upwards and the folded plate bottom faces downwards. The perforated folded plate top of the utility model is provided with the folded plate hole, and the sewage can flow upwards through the folded plate hole, which not only can increase the sedimentation area, but also can realize automatic sludge discharge, has the characteristics of simple structure, wide application range, high sedimentation efficiency and automatic sludge discharge.
Owner:KUNMING ENG & RES INST OF NONFERROUS METALLURGY
Water suction pipe assembly and drainage system
The utility model discloses a water suction pipe assembly and a drainage system. The water suction pipe assembly comprises a conveying pipeline; the transmission shaft is rotatably arranged in the conveying pipeline; the water suction pipe is communicated with the conveying pipeline; the impeller is arranged on the transmission shaft; the anti-impact assembly is arranged on the transmission shaft and located between the water suction pipe and the impeller. The diameter of the anti-impact assembly is gradually increased in the direction from the water suction pipe to the impeller.
Owner:SHOUGANG LUANNAN MACHENG MINING CO LTD
Flour conveying adjusting device
The utility model discloses a flour conveying adjusting device which comprises a machine frame, a control unit, an auger conveying device and a material pipe, a sealing plate is arranged at the connecting position of the auger conveying device and the material pipe, and the sealing plate is connected with the end of the corresponding auger conveying device through an elastic reset assembly. A material level sensor is arranged in the end, corresponding to the material pipe, of the auger conveying device, and a displacement sensor is arranged on the outer side wall of the auger conveying device. And the accurate recognition capability of the blockage and the sensitivity of monitoring and early warning are improved.
Owner:JIAOZUO MAIXIANG FOOD CO LTD
Energy-saving drying equipment for compound fertilizer production
The utility model discloses an energy -saving compound fertilizer production is with drying equipment, including fixed bolster and transverse installation's drying pipeline, and the both sides of pipeline are equipped with inlet pipe and discharge pipe respectively, is equipped with conveying device inside, and the top is linked with the heat supply device below through hot gas delivery structure, and the inner wall of drying pipeline is coated heat -proof coating and reduces heat loss, and the electric butterfly valve at inlet pipe place can accurate control feed quantity, and the guide vane of discharge pipe is convenient for material discharge. Conveying device adopts the spiral structure with wear -resisting ceramic coating, prolongs the life, and hot gas delivery fan is frequency conversion formula, and heat supply device is equipped with automatic temperature control system, can adjust hot gas delivery capacity and temperature according to need, and main conveying pipeline is wrapped with heat -insulating cotton and reduces heat loss. Besides, the equipment guarantees the leakproofness through graphite sealing washer, and the stability is promoted to the damping rubber block of bearing seat, and the anti -skid cat ladder of fixed bolster guarantees the operation safety, effectively improves energy utilization efficiency and production safety.
Owner:广东福利龙复合肥有限公司
Shear connector, steel-concrete composite beam comprising the shear connector, and construction method thereof
ActiveCN117403530BReduce shear slip resistanceResist vertical lifting force
The application discloses a shear connector, a steel-concrete composite beam containing the shear connector and a construction method of the steel-concrete composite beam. The shear connector comprises an inverted truncated cone type cylinder (7), a stiffener, a cover plate, a penetrating steel bar (8) and a high-strength bolt (21); the stiffener comprises an integrally formed stiffener bottom plate (13) and a stiffener side plate (14), the size of the stiffener bottom plate is consistent with the size of the lower opening of the cylinder, and the stiffener bottom plate is attached to the lower opening of the cylinder; the stiffener bottom plate is provided with a second connecting hole for connecting the high-strength bolt; the stiffener side plate is arranged around the stiffener bottom plate and is attached to the inner wall of the cylinder; the height of the stiffener side plate is lower than that of the first connecting hole; the cover plate covers the upper opening of the cylinder; the penetrating steel bar transversely passes through the cylinder through the first connecting hole and leaves a connecting section on each side of the cylinder; and the high-strength bolt connects the stiffener bottom plate through the second connecting hole. The application realizes the disassembly and replacement of each component of the shear connector and the prefabricated bridge deck; and the structure form and stress performance of the shear connector are optimized.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY +1
Cloth bag quick connecting mechanism of cloth bag dust collector
ActiveCN224194326UOperational efficiency impactConvenient replacement and processing effectsDispersed particle filtrationTransportation and packagingSolenoid valveBaghouse
The utility model discloses a cloth bag quick connection mechanism of a cloth bag dust collector, which belongs to the technical field of blast furnaces and comprises a cloth bag dust collector, a flue gas pipe, a dust discharge port, a waste box, a baffle plate, an air compressor, a pulse electromagnetic valve, a gas ejector pipe, a gas ejector head, an exhaust pipe, an exhaust fan, an air guide frame, a mounting groove A, a support frame A, a grid net rack, a mounting groove B and a cloth bag, smoke pipes are embedded in the two sides of the bag-type dust collector, the other ends of the smoke pipes are provided with blast furnace smoke exhaust pipes in a matched mode, and a dust exhaust opening is formed in the lower portion of the bag-type dust collector in an embedded mode. After a worker pushes the grid net rack to drive the supporting frame A to slide out of the mounting groove A to complete dismounting, other grid net racks are dismounted in the same mode, and after maintenance, quick mounting is conducted in the same mode, so that the worker can conveniently and quickly dismount, mount and maintain the whole grid net rack, and the working efficiency is improved. And the overall disassembly and assembly of the plurality of grid net racks do not waste a lot of time to influence the operation efficiency of the blast furnace.
Owner:HUNAN YIFANG ENVIRONMENTAL PROTECTION TECH CO LTD
A dynamic adaptive ecological slope protection system and method suitable for reservoir bank drawdown zone slope
PendingCN122280113AImprove tensile propertiesImprove anti-overturn performanceHydrometryWater storage
This invention discloses a dynamic adaptive ecological slope protection system and method suitable for reservoir bank drawdown zone slopes, belonging to the field of water conservancy engineering and ecological restoration. The system includes an anchoring system, a lifting vegetation trough, an integrated water collection system, and a linked water supply device. The anchoring system uses self-weight triggered self-locking anchors to achieve locking upon installation. The vegetation trough can freely rise and fall along the anchors with the water level, and contains a soil layer and a water-storing sponge layer. The water collection system automatically controls water flow through a float valve, and the linked water supply device relies on elastic expansion and capillary action to achieve water storage during submersion and automatic water supply during emergence. Construction adopts a bottom-up modular installation, using the floating plate of the vegetation trough as a working platform, eliminating the need for high-altitude facilities. This invention can adapt to the off-season hydrological rhythm of the drawdown zone, improving slope stability and vegetation survival rate. It requires no external energy or human intervention and has advantages such as convenient construction, low operation and maintenance costs, and eco-friendliness, making it suitable for ecological protection of reservoir and lake drawdown zone slopes.
Owner:CHINA THREE GORGES UNIV
A new type of non-perforated support
ActiveCN224351503UImprove waterproof performanceIntegrity guaranteedRoof covering using slabs/sheetsRoof covering using tiles/slates
The application belongs to the technical field of photovoltaic support, and discloses a novel perforation-free support, which comprises a support body, wherein the support body comprises a connection piece in the shape of Chinese character and a wave-peak support in the shape of eight characters arranged below the connection piece; a waist-shaped hole is formed in the top of the connection piece; the wave-peak support is attached to the upper surface of the wave peak of a metal tile roof; the wave-peak support is connected to the wave-peak surface by hot air welding; the wave-peak support in the shape of eight characters can uniformly disperse and transmit the load to the wave peak of the metal tile roof; due to the strong bending deformation resistance of the wave-peak structure, the damage and large deformation of the roof tile can be effectively avoided; the perforation-free design, the hot air welding connection of the wave-peak support and the roof, the use of the same waterproof material for the skirt edge and other measures can guarantee the integrity of the waterproof layer of the roof from multiple aspects and eliminate the hidden danger of water leakage.
Owner:JIANGSU KAREN ZERO CARBON TECHNOLOGY CO LTD
An equidistant sampling device suitable for research on soil pollutants in agricultural land
This utility model relates to the field of soil research technology and discloses an equidistant sampling device suitable for the study of soil pollutants in agricultural land. It includes a support plate with a scale fixedly connected to its top. Two I-shaped grooves are formed at the top of the support plate, and two I-shaped sliders are slidably connected to the inner walls of the two grooves. Two pedals are fixedly connected to the tops of the two sliders. The operator first determines the sampling interval according to the research requirements. Then, the operating parameters of the bidirectional motor, such as speed and direction of rotation, are set via the control panel. After starting the bidirectional motor, its output drives a bidirectional screw to rotate. Due to the bidirectional thread characteristic of the bidirectional screw, the two moving sleeves connected to the surface of the bidirectional screw will move in opposite directions at equidistant intervals along the screw. The operator can then observe the position of the pointer on the scale.
Owner:WUHAN ZHIHUI GUOSHI TESTING TECH CO LTD
A multi-dimensional perception and self-adaptive tool changing method and system for a shield machine under low-speed pressure maintaining
The application discloses a multi-dimensional perception and self-adaptive tool changing method and system for a shield machine under low-speed pressure keeping, the tool changing system comprises a perception layer, a decision layer and a control layer; the tool changing method comprises the following steps: obtaining three-dimensional comprehensive data through a sensor; the three-dimensional comprehensive data is sent into a multi-modal space-time graph neural network MST-GNN through a sensor data fusion module, and a tool changing priority, a tool changing type label, a tool changing number and a tool changing number are output; the target tool is instantaneously positioned through the tool changing type label; angle error calculation is performed, a zero relative window is confirmed, and tool changing is realized. The application proposes the following method to cope with the long process that the traditional method must be completely stopped and depressurized, that is, under the micro-stop working condition of the low-speed cutter head and the pressure keeping of the soil bin, three-dimensional perception of defects-life-geology is fused, millisecond-level decision is made, RFID instantaneous positioning is performed, five times spline closed-loop tool changing is performed, and the tool changing time is reduced from hours to minutes.
Owner:CHINA RAILWAY 14TH BUREAU GROUP EQUIPMENT CO LTD +1
High-protection outer rotor axial flow fan
ActiveCN224120390UImprove reliabilityHigh waterproof levelPump componentsPump installationsElectric machineryStructural engineering
The high-protection outer rotor axial flow fan comprises an outer rotor motor and a wind wheel, the outer rotor motor comprises a base, an outer rotor assembly, a rotating shaft and a stator assembly, and the base comprises a bottom plate and a sleeve protruding upwards from the middle of the top face of the bottom plate. The shaft support is installed on the two bearings, the top end of the shaft support is connected with the outer rotor assembly, the stator assembly is arranged outside the sleeve in a sleeving mode, an annular boss is arranged on the edge of the bottom plate, and a labyrinth sealing structure is formed by the annular boss and the end of the outer rotor assembly. The wind wheel comprises blades and a hub, the blades are installed on the outer side of the hub, and the hub is installed outside the outer rotor assembly through an installation support. The base is sleeved with an outer water retaining ring, an inner water retaining ring is installed on the installation support, and the outer water retaining ring and the inner water retaining ring are matched to form a water retaining device on the periphery of the labyrinth sealing structure. The waterproof and dustproof levels of the axial flow fan are greatly improved, the reliability is high, and the failure rate is low.
Owner:ZHONGSHAN EBS TECH CO LTD
Filtering device for a laminator
ActiveCN224308083Ueasy to cleanReduce EVA contentCombination devicesPositive displacement pump componentsSlag (welding)Thermodynamics
This utility model provides a filtration device for a laminator, relating to the field of laminator filtration technology. It aims to solve the problems of poor filtration efficiency in existing vacuum pumps that use conventional paper filter elements to filter the gas generated during vacuuming. This allows impurities such as welding slag and iron filings to penetrate the filter element and enter the vacuum pump cavity, affecting normal operation. Furthermore, the accumulation of impurities and dust necessitates frequent inspection, maintenance, and upkeep of the vacuum pump and filter, increasing maintenance costs. The proposed device includes a vacuum pump system with a laminator vacuum valve installed on its left side. A filter tank system is installed between the vacuum pump system and the laminator vacuum valve. The tank serves as a pre-vacuum tank to pre-vacuum the cavity. A bypass design is used; after pre-vacuuming, the filter tank's function is disabled, and the pump directly evacuates the cavity, reducing pump load, effectively improving equipment evacuation efficiency, reducing vacuum pump filter consumption, and minimizing pump maintenance.
Owner:QINHUANGDAO JINYU INTELLIGENT EQUIP CO LTD
A circuit structure for a calibrable and adjustable reflective sensor
ActiveCN224285965UConsistent high and low responseGood response to high and low levelsProgramme controlComputer controlHemt circuitsTesting Methods
This utility model discloses a circuit structure for a calibrable and adjustable reflective sensor. The circuit includes a reflective photoelectric sensor, a DAC, and a controller. The reflective photoelectric sensor includes a light-emitting diode (LED) and a phototransistor. The positive terminal of the LED is connected to a first VCC terminal, and the collector of the phototransistor is connected to a second VCC terminal. The emitter of the phototransistor is grounded or preset to a low level. The controller is connected between the phototransistor and the DAC. The output voltage terminal of the DAC is connected to the negative terminal of the LED. The controller reads the level state of the phototransistor's level signal detection point and accordingly controls the DAC to output an adjusted level to set the LED current. Thus, by adjusting the LED current using the DAC, the phototransistor characteristic curves of each machine are made consistent during production. Furthermore, for machines sold after the factory, the DAC adjustment can restore the machine to its factory-stable performance.
Owner:SHENZHEN SEAORY TECH CO LTD
A tool for dismounting and mounting a balance shaft support sleeve of a tracked vehicle
This utility model discloses a tool for disassembling and assembling a balance shaft support sleeve for tracked vehicles, belonging to the field of tracked vehicle maintenance technology. It includes a splash guard and a base. A connecting plate is mounted on the base, and a support sleeve is mounted on one side of the connecting plate. A balance shaft is located inside the support sleeve, and a cylinder is mounted inside the splash guard. The balance shaft is coaxially aligned with the cylinder and located at the bottom of the cylinder. A bearing is located at the top of the cylinder, and a perforated plate is provided between the bearing and an electric wrench. The electric wrench is mounted on the bearing. A weight-reducing hole is opened on the front side of the cylinder. Stable mechanical linkage is achieved by inserting a pin 8 into the mating hole of the support sleeve 10. Driven by the electric wrench, the pin drives the support sleeve 10 to rotate at high speed, completing the disassembly of the balance shaft 9. The tool, through the cooperation of a dedicated disassembly device 6 and a return spring 7, ensures that the support sleeve 10 can quickly return to its original position after disassembly.
Owner:中国人民解放军32272部队11分队
Discontinuous one-way rotating fluid section ADCP (Acoustic Doppler Current Profiler) scanning flow measuring device
ActiveCN224175912UAffect normal operationImprove experienceWaterborne vesselsVolume/mass flow measurementControl systemWater flow
The utility model relates to a discontinuous one-way rotating ADCP (Acoustic Doppler Current Profiler) scanning flow measuring device for a fluid section, and belongs to the technical field of water flow detection. According to the technical scheme, a floating traction cable, a scanning flow measurement sensor driving motor and a control module are arranged on a floating body, the control module is connected with the scanning flow measurement sensor driving motor, and the output end of the scanning flow measurement sensor driving motor is connected with a rotating shaft below the floating body; the floating traction cable is formed by extruding a waterproof floating material outside a cable core; two ends of the cable core are respectively connected with the control module and the power supply and control system; the floating traction cable floats on the water surface. The beneficial effects of the utility model are that the floating traction cable is adopted to prevent from hanging aquatic plants in water to influence the normal operation of the flow measurement sensor, and the scanning flow measurement sensor driving motor and the control module are arranged on the upper side of the floating body, thereby reducing the waterproof requirement, simplifying the structure, reducing the cost, improving the reliability of the device, reducing the maintenance amount, and improving the user experience.
Owner:TANGSHAN LANMAI YUEKONG TECHNOLOGY CO LTD
Novel metro side door
ActiveCN224664497Uavoid self-closingReduce the frequency of opening
The novel subway side door comprises a side door body, a handrail arranged on the left and right sides of the side door body, an electric lock body, an electric lock armature and a card reader, the top of the handrail and the top of the side door body are provided with handrails, the center of the right end surface of the handrail on the left side is provided with a positioning groove, and the center of the left end surface of the handrail on the side door body is embedded with a positioning bead; when the side door body is closed, the ball of the positioning bead is locked in the positioning groove to position the side door body; the control line of the card reader and the electric lock body is connected through a connector or a wiring terminal; and the right side frame of the side door body is hinged to the left side column of the handrail on the right side through a plurality of positioning hinges. The novel subway side door can ensure the accurate positioning between the electric lock body and the electric lock armature when the subway side door is closed, prolong the service life of the electric lock, facilitate the disassembly, maintenance and repair of the card reader, and is low in equipment cost.
Owner:HENAN BRILLIANT URBAN RAIL TECH CO LTD
A stable disc granulator
ActiveCN224388713Uplay a supporting roleGuaranteed stabilityGranulation in rotating dishes/pansCircular discElectric machinery
The application relates to the field of disc granulators, and discloses a stable disc granulator which comprises a disc, a function rod frame, a support frame, a driving motor, a speed reducer and stable rollers, the function rod frame is arranged on the outer side of the disc, the bottom of the function rod frame is fixedly connected with the support frame, the inside bottom of the support frame is provided with the driving motor, the driving motor is connected with the speed reducer, the output end of the speed reducer is provided with a rotating shaft, the rotating shaft is fixedly connected with the bottom center of the disc, one side of the support frame is provided with a bearing rod, one side of the bearing rod is fixedly provided with two groups of stable rollers which are symmetrically arranged along the center line, and the stable rollers are in contact connection with the bottom side of the disc. The application has the advantages of reasonable structure, difficulty in deformation, stable operation, long service life and the like.
Owner:YINAN COUNTY HONGFA MASCH CO LTD
A rotary disc type current collector disc welding device
The utility model relates to lithium cell production technical field, specifically disclose a carousel formula current -collecting plate welding device, including welding body, the vertical installation of welding body has the cylinder, the lower extreme of cylinder is installed with the welding head, still include the feeding mechanism that is used for to the intermittent feeding of current -collecting plate of setting at the front side of welding body, the feeding mechanism is supported in the rotation process to current -collecting plate. Through the rotation support subassembly and limiting component setting of feeding mechanism, make the current -collecting plate on the placement table of front side limiting component with the rotation process of rotation support subassembly, the support wheel of second spring push rod lower extreme gradually moves from the arc convex platform upper side to the support frame, the guide rod draws the piston and moves down in the placement table, the negative pressure suction of current -collecting plate is formed to the piston upper side in the placement table, fixes current -collecting plate, moves to the welding of welding head downside, realizes the limiting fixation of current -collecting plate in the rotation process, reduces the setting of limiting power part, will be lower the maintenance of later period.
Owner:NAMEI NEW ENERGY TECH (LUOYANG) CO LTD
A dual-source power generation device combining raindrop cascade power generation with atmospheric moisture absorption, desorption, and condensation of water droplets.
This invention belongs to the field of new energy and renewable energy development technology, and relates to a dual-source power generation device that combines raindrop cascade power generation with atmospheric moisture absorption, desorption, and condensation of water droplets. It includes: a housing, a droplet power generation array, a condensation chamber, and an energy storage and monitoring system disposed inside the housing, and a photovoltaic composite panel disposed on the top of the housing; the droplet power generation array includes a support plate disposed inside the housing and multiple droplet power generation units, which are arranged in an array on the upper surface of the support plate; the photovoltaic composite panel is movably connected to the housing; the photovoltaic composite panel is a composite panel composed of a photovoltaic panel, a heat-conducting plate, and a fiber layer; the heat-conducting plate is disposed between the photovoltaic panel and the fiber layer; the energy storage and monitoring system is electrically connected to the droplet power generation array and the photovoltaic panel respectively, and is also electrically connected to an external energy storage device or load. This invention alleviates the technical problems of low energy conversion efficiency and poor all-weather stability existing in the prior art.
Owner:SHANGHAI JIAOTONG UNIV +1
High-purity pig iron casting system and flow control method thereof
ActiveCN116748502BRealize automatic control of flow rateGuarantee casting qualityMolten metal pouring equipmentsMolten metal conveying equipmentsManufacturing technologyAutomatic control
The present application relates to high-purity pig iron manufacturing technology field, especially to a kind of high-purity pig iron casting system and its flow control method, it includes iron runner, hydraulic mechanism, pouring pipeline and conveying mechanism, the hydraulic mechanism is cascaded hydraulic mechanism, the iron runner is connected with the upper end of pouring pipeline by flow guide pipeline, the middle section of pouring pipeline is provided with balance valve, angle sensor is installed on the balance valve, the conveying mechanism is provided with several casting molds, the bottom end of pouring pipeline is guided to any one casting mold.The present application is realized to the flow rate automatic control of molten iron by the cooperation of hydraulic mechanism and balance valve set on pouring pipeline, simple and efficient;In the casting process of high-purity pig iron, both can guarantee the product casting quality of high-purity pig iron, and can guarantee the efficient high-purity pig iron casting operation efficiency;Not only can reduce the investment and maintenance of scale monitoring equipment, but also can reduce the input of manpower, realize the purpose of cost reduction and efficiency increase.
Owner:ASBESTOS XINHUI ENVIRONMENTAL PROTECTION TECH CO LTD
A crankshaft-type double-point multi-link press
This invention discloses a crankshaft-type dual-point multi-link press, relating to the field of press technology. It includes a support table, table body, crankshaft assembly, trolley assembly, and track. The crankshaft assembly includes a motor, transmission gears, a large gear, and a crank-connecting rod mechanism to achieve a "slow down, fast up" stamping motion. The trolley assembly includes a geared motor, drive wheels, and track cleaning blades to achieve smooth transfer of the entire machine and track cleaning. Anti-eccentric load devices are provided on both sides of the crankshaft assembly. These devices include a connecting drive assembly, a guiding and stabilizing assembly, and a clamping support assembly. This invention uses the sliding block to trigger the connecting drive assembly when it descends, which, in conjunction with the multi-link, achieves eccentric load compensation. The guiding and stabilizing assembly provides high-precision vertical guidance, and the clamping support assembly dynamically clamps the guiding structure during the stamping process. The entire machine has a compact structure, stable operation, high stamping accuracy, and strong anti-eccentric load capability.
Owner:ZHEJIANG DEFU MACHINERY EQUIP CO LTD
A u-tube fluidized bed reactor for methylchlorosilane monomer synthesis
A U-shaped tubular fluidized bed reactor for the synthesis of methylchlorosilane monomers includes a cylindrical body and upper and lower end caps respectively installed vertically on the cylindrical body. It also includes a gas-solid phase discharge pipe, a silicon powder feed pipe, a chloromethane inlet pipe on the upper plate, a chloromethane inlet pipe below the plate, an oil inlet pipe, and an oil outlet pipe connected to the cylindrical body. The oil inlet and outlet pipes are connected to the fluidized bed reactor via a semi-tube welded heat transfer oil cavity. Several U-shaped heat exchange tubes are installed inside the cylindrical body, with both ends connected to the oil inlet and outlet cavities. A gas distribution plate is installed at the lower part of the cylindrical body, through which the silicon powder feed pipe passes and connects to the cylindrical body. Several nozzles are installed around the cylindrical body above the gas distribution plate. This design effectively improves the fluidization effect within the fluidized bed, increases the single-pass conversion rate of chloromethane, significantly reduces the pressure difference between the inlet and outlet of the heat exchange tubes, and increases the heat transfer oil throughput.
Owner:HUBEI XINGRUI SILICON MATERIAL CO LTD
Cooling equipment for aluminum profile machining
The application discloses a cooling equipment for aluminum profile machining, which comprises a base, an arc-shaped supporting part, a positioning cylinder, a cooling channel, a cold source assembly, two cross rods and a storage rack, and a plurality of limiting blocks for limiting the aluminum profile are arranged on the storage rack; a pair of emitting sensors are arranged at the two ends of the cross rod correspondingly, the emitting end is used for outputting a pulse light beam to the receiving end to maintain the receiving end in a conduction state, and the receiving end is used for turning off when no pulse light beam is detected. The utility model innovatively sets the pair of emitting sensors at the two ends of the cross rod, and the emitting end and the receiving end are locked at the end of the two cross rods respectively. When the cross rod is not deformed, the light beam is smooth, and the receiving end remains in conduction. When the cross rod is bent downward by more than 2mm due to overload, the light beam is interrupted, the receiving end is immediately turned off and the buzzer alarm is triggered. The deflection is directly detected instead of weight, the sensitivity is high, the response is fast, only one pair of sensors can cover the whole cross rod, the wiring is extremely simple, and the maintenance amount is greatly reduced.
Owner:ZHONGSHAN HONGCHEN METAL PROD CO LTD
Combined feeding device of ball mill
The utility model relates to a ball mill combined feeding device which comprises a feeding installation table and a material box installed above the feeding installation table, the material box comprises a buffering bin body and a discharging bin body, a feeding port is formed in the top of the buffering bin body, an overflow port is formed in the side wall of the buffering bin body, and the discharging bin body is located on one side of the buffering bin body and communicated with the overflow port. An abrasive hopper is mounted at the top of the discharging bin body, and a discharging opening is formed in the bottom; the bottom of the discharging opening is detachably connected with a conveying pipe, the other end of the conveying pipe is detachably connected with a feeding pipe, the other end of the feeding pipe is communicated to a ball mill, and the ball mill is located below the side of the feeding installation table. By optimizing the structures of the feeding bin body, the conveying pipe and the feeding pipe, the impact and abrasion of materials and grinding materials on the feeding structure and the ball mill can be effectively reduced, the maintenance frequency is greatly reduced, the maintenance amount is reduced, the maintenance time is shortened, the equipment failure rate and the shutdown maintenance time are reduced, the production operation rate is ensured, and cost reduction and efficiency improvement are realized.
Owner:鹤庆北衙矿业有限公司