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External circulation self-suction type residual gas recycling reaction device
ActiveCN222567333UHigh mechanical strengthreduce corrosionDispersed particle separationElectric machineryMechanics
The utility model discloses an external circulation self-suction type residual gas recycling reaction device which comprises a reaction kettle body, a stirring paddle is arranged in the reaction kettle body, and the stirring paddle consists of a titanium porous stirring paddle and a stirring rod; the stirring paddle provides stirring power through a variable frequency motor arranged at the top of the reaction kettle; a liquid outlet, a gas outlet, a liquid inlet and a residual gas inlet are formed in the reaction kettle body, the liquid outlet is formed in the upper part of the kettle body, the liquid outlet and the residual gas inlet are formed in the bottom of the kettle body, the liquid outlet is connected with a liquid inlet pipe, the residual gas inlet is connected with a gas inlet pipe, the gas inlet pipe is nested in the liquid inlet pipe, and a three-way pipe is mounted on the liquid inlet pipe. According to the utility model, the design of a self-suction hollow stirring paddle is replaced by the design of external circulation and a large-page porous stirring paddle, so that the corrosion of corrosive gas to the stirring paddle is reduced, the mechanical strength of the stirring paddle is improved, and the service life of reaction equipment is prolonged.
Owner:JINCHUAN GROUP NICKEL COBALT CO LTD +1
Double-layer geomembrane core wall rockfill dam structure and construction method
The present invention relates to a double-layer geomembrane core wall rockfill dam structure and a construction method. The purpose of the present invention is to provide a double-layer geomembrane core wall rockfill dam structure and a construction method with superior anti-seepage performance and reliability. The technical solution of the present invention is: a double-layer geomembrane core wall rockfill dam structure, characterized in that: the rockfill dam has a double-layer geomembrane anti-seepage core wall structure; the double-layer geomembrane anti-seepage core wall structure is sequentially provided with an upstream sand cushion layer, an upstream geomembrane, a middle silt layer, a downstream geomembrane and a downstream sand cushion layer from upstream to downstream. The present invention is applicable to the field of water conservancy and hydropower engineering.
Owner:POWERCHINA HUADONG ENG CORP LTD
Optical computing chip based on multiplexing and design method thereof
ActiveCN119596455Asimple structureImprove computing efficiencyOptical waveguide light guideBeam splittingIntensity modulation
The invention relates to the technical field of semiconductors, in particular to a multiplexing-based optical computing chip and a design method thereof.The multiplexing-based optical computing chip comprises a computing area formed by crossing a first waveguide and a second waveguide, and the computing area comprises a branch waveguide connected with the first waveguide and the second waveguide, a beam splitting part, an intensity modulation part and a first signal conversion part are sequentially arranged on the branch waveguide, the beam splitting part is used for splitting optical signals in a specific proportion, the intensity modulation part is used for modulating the signal intensity of the optical signals into a specific value, and the first signal conversion part is used for setting or maintaining the optical signals in a specific mode; the specific mode means that the optical signal has a specific polarization direction and / or a specific order; the second waveguide is provided with a calculation unit for calculating the sum of the optical powers of the plurality of optical signals. According to the multiplexing scheme provided by the invention, the data processing amount of the optical computing chip can be improved.
Owner:LIGHTSTANDARD CO LTD
Bacillus strain GBD3 and application thereof in degrading phthalic ester plasticizer
PendingCN119592457Aavoid pollutioneasy to operateBacteriaContaminated soil reclamationMicroorganismSide chain
The invention discloses a bacillus strain GBD3 and application thereof to degradation of phthalic ester plasticizers, belongs to the field of environmental pollutant remediation, and is characterized in that the strain is classified and named as Bacillus sp. GBD3. The strain is preserved in the China General Microbiological Culture Collection Center (CGMCC) on November 03, 2023, and the preservation number is CGMCC No.28860. The invention further discloses a preparation method of the strain. The invention also discloses an application of the strain in degrading the phthalic ester plasticizer. The strain can efficiently degrade the phthalic ester plasticizer with the side chain length of C2-C5 at room temperature. The degrading bacteria screened from soil polluted by plastic agricultural films for a long time can effectively remove phthalic ester plasticizers. The degrading strain can be used for repairing the soil environment polluted by the phthalic ester plasticizer.
Owner:ZHENGZHOU TOBACCO RES INST OF CNTC
Monitoring circuit of display module and display device
The utility model relates to the technical field of display, and discloses a monitoring circuit and method of a display module and a display device. The display module comprises a display panel and a display circuit, the display circuit comprises a main controller, a first controller, a first power manager and a level shifter, the output end of the first controller is electrically connected to the input end of the level shifter, and the first controller is configured to output a display signal required by the display panel. The first power manager is configured to provide a voltage signal to the first controller; the monitoring circuit comprises a second controller, the input end of the second controller is electrically connected to the output end of the first power manager and electrically connected to the output end of the first controller through a level shifter, and the second controller is configured to monitor the display state of the display panel according to the display signal and / or the voltage signal. The output end of the level shifter is electrically connected to the input end of the display panel and the input end of the second controller. The monitoring circuit reduces technical difficulty and user cost.
Owner:BOE TECHNOLOGY GROUP CO LTD +1
An optical path folding multi-cavity nonlinear pulse compression device and method
PendingCN122512204AIncrease pulse compression ratioReal-time dispersion compensation
This invention relates to the field of ultrafast laser technology, and provides an optical path folding multi-cavity nonlinear pulse compression device and method. The device includes a multi-cavity module for nonlinear spectral broadening, a mode matching module, and an optical path collimation and dispersion compensation module. The multi-cavity module includes two symmetrical concave mirrors and a nonlinear medium disposed therebetween, at least one dispersion compensation element, and multiple planar mirrors. The planar mirrors and dispersion compensation elements work together to fold and propagate the beam to reduce the effective cavity length; the dispersion compensation element provides dispersion compensation while reflecting to maintain stable pulse propagation, thereby increasing the compression ratio. This invention combines optical path folding with dispersion engineering to maintain stable pulse propagation, breaking the limitation of single-stage multi-cavity spectral broadening ratio, and achieving high-magnification nonlinear pulse compression while significantly reducing the lateral size of the device and improving its compactness.
Owner:SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
Satellite radiation product-based remote sensing image geometric calibration method, electronic device and medium
PendingCN122265108Aremove internal distortionAccurate internal distortionImage enhancementScene recognitionImaging processingSatellite image
The application discloses a kind of satellite radiation product-based remote sensing image geometric calibration method, electronic equipment and medium.The method can include: determining reference image, inputting image to be calibrated;For the same name point matching of image to be calibrated and reference image, obtain the same name point coordinates;The third polynomial distortion model about CCD probe element number is constructed;Based on the same name point coordinates, curve fitting is carried out on the distortion model, and the distortion coefficient is obtained;The resampling of image to be calibrated is carried out by distortion coefficient, and the correction of internal distortion of image is realized.The application can quickly and accurately carry out geometric calibration processing to satellite image, greatly improve the efficiency and quality of image processing.
Owner:CAIHONG DRONE TECH CO LTD
Method for detoxifying turmeric by combining indole-3-methanol with stem tip culture
InactiveCN119655174AHigh detoxification rateReduce technical difficultyPlant tissue cultureHorticulture methodsBiotechnologyPlantlet
The invention discloses a rhizoma curcumae longae detoxification method by combining indole-3-methanol with stem tip culture, and belongs to the technical field of plant tissue culture detoxification seedling culture. The turmeric detoxification method comprises the following steps: (1) taking turmeric rhizomes as explants, and carrying out subculture to obtain turmeric tissue culture seedlings; (2) culturing the turmeric tissue culture seedling on an indole-3-methanol exogenous treatment culture medium to obtain a mature plant; and (3) cutting a stem tip from the mature plant, and culturing on a stem tip induced differentiation culture medium to obtain the turmeric virus-free tissue culture seedling. The turmeric detoxification tissue culture seedlings are cultured by applying the turmeric detoxification method combining indole-3-methanol exogenous treatment with one-time stem tip culture, the technical difficulty is low, the cost is low, the culture period is short, the regenerated plants are high in detoxification rate and strong in growth vigor, and a technical support is provided for large-scale production of the turmeric detoxification tissue culture seedlings.
Owner:GUIZHOU UNIV +1
Call detail record (CDR) billing methods, devices, equipment, and computer storage media
ActiveCN116846696Bmeet sharing requirementsImprove billing support capabilitiesMetering/charging/biilling arrangements
This application provides a call detail record (CDR) billing method, apparatus, device, and computer storage medium. The CDR billing is applied to a first billing system and includes receiving a resource allocation request sent by a second billing system based on a target billing CDR. The resource allocation request includes resource usage information from the target billing CDR and information about cross-provincial billing users in the target billing CDR. If it is determined that there are remaining resources in the first communication resource in the first billing system, the remaining resources of the first communication resource are deducted based on the resource allocation request and the resource usage information of the target billing CDR to obtain deduction result information. The deduction result information is sent to the second billing system so that the second billing system can deduct and bill resources whose resource usage exceeds that of the first communication resource based on the deduction result information. According to this application embodiment, it satisfies the requirement of sharing communication resources within packages across multiple provinces while reducing engineering costs and technical difficulty.
Owner:CHINA MOBILE GROUP ANHUI +1
A method for manufacturing and using a power fitting with stepless adjustment of sag
The application discloses a manufacturing method and a using method of a power fitting for stepless adjustment of sag, and belongs to the technical field of power fittings. The power fitting for stepless adjustment of sag comprises a double-end bolt with a rotating disc, the screw rod of the double-end bolt with the rotating disc is connected with a π-shaped nut with the rotating disc at two ends respectively, and the π-shaped nut with the rotating disc and the double-end bolt with the rotating disc are limited by a rotation blocking rod piece. The double-end bolt with the rotating disc mainly comprises a double-end bolt and a rotating disc. The double-end bolt with the rotating disc is manufactured by welding the rotating disc on the nut of the double-end bolt. The π-shaped nut with the rotating disc is installed at two ends of the screw rod of the double-end bolt. The rotation blocking rod piece is installed between the π-shaped nut with the rotating disc and the double-end bolt with the rotating disc. The application can not only greatly reduce the complexity of observation and adjustment of wire sag, but also facilitate correction of the unqualified sag found after acceptance of wire cutting.
Owner:GEZHOUBA GRP ELECTRIC POWER COMPANY
Offshore photovoltaic support foundation construction method
PendingCN119531361AGuaranteed stable installationImprove installation efficiencyPhotovoltaic supportsCargo handling apparatusArchitectural engineeringStructural engineering
The invention provides an offshore photovoltaic support foundation construction method, and relates to the field of offshore photovoltaic technologies. The construction method comprises the steps that a pile driving barge and a pile foundation are transported to a first to-be-laid area of the sea surface, the pile driving barge comprises a lifting device, the lifting device comprises a first rigging and a second rigging, and the pile foundation comprises a column body, a first lifting lug arranged at the first end of the column body and a second lifting lug arranged at the second end of the column body; the first rigging is connected with the first lifting lug, and the second rigging is connected with the second lifting lug; the first rigging and the second rigging are lifted to lift the pile foundation to a preset position; the first rigging is lifted, and the second rigging is lowered, so that a preset angle is formed between the pile foundation and the sea surface; and the pile foundation is lowered through the first rigging, so that the pile foundation goes deep into a seabed mud layer corresponding to the first to-be-laid area. According to the construction method, the mounting difficulty of the pile foundation can be reduced, and the mounting efficiency and the mounting stability are improved.
Owner:NORTHWEST ENGINEERING CORPORATION LIMITED
Methods for protecting the bottom of trenches using photoresist partial filling process in wet etching
PendingCN122094413Aso as not to damageavoid lostPhotomechanical coating apparatusPhotomechanical exposure apparatusWaferPhysical chemistry
This invention discloses a method for protecting the bottom of trenches in wet etching using a photoresist partial filling process. The method includes: fabricating a trench structure on a predetermined area of the wafer surface using plasma etching; applying photoresist to the entire trench structure and the entire wafer surface using spin coating; performing exposure and development on the entire surface of the wafer covered with photoresist using a photolithography machine without a photomask, thereby removing some of the photoresist on the upper surface of the wafer oxide layer and in the upper region of the trench structure, leaving the remaining photoresist in the trench area in a partially filled state; and removing the exposed oxide layer on the wafer surface, thus protecting the bottom of the trench from damage using the remaining photoresist in the trench area. This invention is applicable to both plasma etching and wet etching, effectively reducing the difficulty, cost, and time of etching processes, achieving low cost and a simple process. It is a novel method for eliminating damage to the bottom of deep trenches by using photoresist filling in deep trenches, suitable for wet etching.
Owner:GUANGDONG XINYUENENG SEMICON CO LTD
Numerical control system added shaft and automatic accurate control method for added shaft
PendingCN119536121AMeet complex processing needsSimple and fast operationNumerical controlTool bitControl engineering
The invention belongs to the field of shaft increasing in numerical control, and particularly relates to a shaft increasing and automatic precise control method for a numerical control system, which comprises the following steps of: determining conditions of the numerical control system and existing shafts, determining types of common numerical control systems, knowing the number of shafts of the numerical control system, and determining a demand scene of shaft increasing; comprising the conditions that in the machining process, materials need to rotate by a certain angle for remachining or turn-over machining, a tool bit or a saw blade needs to switch the deflection angle for remachining, and other tool auxiliary shafts need to be accurately adjusted in position. By means of the technical scheme, rotation and turn-over machining of materials and deflection adjustment of the tool bit can be easily handled, for equipment with a cutting machine head such as a numerical control bridge cutting machine, a control method of the shaft is newly added, so that the cutting machine head can conduct precise cutting at different angles, various complex machining requirements are met, and the application range of the equipment is widened.
Owner:宜宾市芮控科技有限公司
A method for determining the optical axis angle precision of a UAV detector and related apparatus
The application provides a method for determining the optical axis angle precision of a UAV detector and related devices, the method comprising: obtaining flight information of a UAV at different times, the flight information comprising one or more of position information, speed information and flight direction information. The flight information is input into a pre-constructed dynamic brain function network model to obtain the optical axis angle precision of the UAV detector. In this way, by constructing a dynamic brain function network model of the flight information of the UAV and the optical axis angle precision of the detector, the optical axis angle precision is directly output from the dynamic brain function network model according to the flight information of the UAV, greatly reducing the technical difficulty of determining the optical axis angle precision. The dynamic brain function network model is trained and has high accuracy. Compared with the optical target method which requires the use of precise measuring instruments and high-precision targets, the use of the dynamic brain function network model has lower cost and can realize low-cost and high-accuracy optical axis angle precision calculation.
Owner:IFLYTEK CO LTD
A wastewater treatment and reuse device for copper concentrate flotation
ActiveCN121181198Bgood redox propertiesavoid persistent accumulationWater contaminantsMultistage water/sewage treatmentProcess engineeringSewage treatment
This invention relates to the field of wastewater treatment and reuse technology, and discloses a wastewater treatment and reuse device for copper concentrate flotation, comprising: a mounting frame as the overall supporting body of the equipment; and a pretreatment unit integrated on one side of the top of the mounting frame. The pretreatment unit includes a pretreatment tank, an anti-clogging filter assembly, and an intermittent jetting assembly. The pretreatment tank is used to receive copper concentrate flotation wastewater and provide pretreatment space. The anti-clogging filter assembly includes a stepped filter screen detachably connected to the inside of the pretreatment tank. Through the deep synergy between the anti-clogging filter assembly and the intermittent jetting assembly in the pretreatment unit, the long-standing problems of easy filter clogging, single function, and poor operational stability in the pretreatment stage of copper concentrate flotation wastewater are effectively solved. At the same time, this invention can avoid the problem of excessive waste or insufficient addition of reagents due to water quality fluctuations in the traditional fixed-dosing mode, ensuring that the three liquid reagents can be fully mixed with the wastewater in the optimal ratio.
Owner:JIANGXI HONGSHAN COPPER IND CO LTD
A discharge structure of a boom excavator
The utility model belongs to the technical field of boom tunneling machine, concretely relates to a kind of discharging structure of boom tunneling machine, including shovel, is equipped with sweep material disc on the shovel, and sweep material disc rear is equipped with material conveying belt, and the end of shovel is equipped with sweep material device, and the sweep material device includes shaft, and the shaft is through rotating sleeve and is fixedly connected with rotating sleeve, and the shaft bottom end outer wall is connected with driven wheel.This discharging structure of boom tunneling machine, when tunneling machine operates, sweep material rod rotates under the transmission of shaft, can push the broken material scattered on the outer wall of shovel into shovel quickly, avoid broken material accumulation to affect tunneling.It is followed that sweep material disc relay transports the broken material in shovel to material conveying belt, realizes broken material efficient transfer.This double-effect cooperation significantly widens sweep material range, greatly improves the discharging efficiency of tunneling machine, effectively reduces the operation obstruction caused by broken material accumulation, effectively guarantees tunneling operation continuous, efficient.
Owner:THE 3RD ENG CO LTD OF CHINA RAILWAY 18TH BUREAU GRP
A detection and harvesting integrated device and method of an unmanned lotus root harvesting machine
ActiveCN117999952BReduce technical difficultyReduce equipment costsHarvestersAgricultural scienceAgricultural engineering
The application provides a detection and harvesting integrated device and method of unmanned lotus root harvester, and relates to the technical field of mechanical devices.The relative position relationship between the lotus root stem and the lotus root is detected, and the lotus root is detected and dug.The clamping claw is opened to put the lotus root stem into the clamping claw, and then the lotus root stem is clamped.The longitudinal detection system starts to work, the longitudinal wheel is clamped on the lotus root stem, and moves downward along the lotus root stem.At this time, the detection nozzle flushes the silt below, and the device as a whole moves downward along the lotus root stem.When the device moves to the lotus root along the lotus root stem, the longitudinal frame is opened under the obstruction of the lotus root, and stops digging downward when the angle reaches a certain angle.The transverse digging system starts to work, the auxiliary wheel drives the transverse frame to open due to contacting the lotus root, and the lotus root is clamped by the transverse wheel, the transverse wheel moves along the lotus root, and the harvesting nozzle starts to work to flush the soil around the lotus root.After flushing, the lotus root floats up with the device, and the work is completed.
Owner:NORTHEASTERN UNIV AT QINHUANGDAO
Drawable optical fiber distribution integrated device
ActiveCN224152703Usmooth motionOvercome initial static frictionFibre mechanical structuresDistribution frameFiber
The utility model relates to the technical field of optical fiber distribution integrated devices, in particular to a drawable optical fiber distribution integrated device, which comprises a distribution frame shell, damping slide rails are fixedly mounted on the left side and the right side in the distribution frame shell, a distribution frame drawing disc positioned in the distribution frame shell is fixedly mounted on one side of each damping slide rail, and the damping slide rails are fixedly mounted on the other side of each damping slide rail. Reinforcing strips and reinforcing plates are symmetrically arranged at the upper ends and the lower ends of the left side and the right side of the distribution frame drawing disc. Through the action of the driving cylinder, the coil spring and the damping slide rail, the device has the advantages of saving labor in operation, reducing technical requirements and improving the strength of a bracket material, and solves the problems that the existing drawable optical fiber wiring integrated device has high technical requirements on operators in practical application; and some drawing brackets of low-cost products are insufficient in material strength, so that deformation is possibly caused when the drawing brackets bear high-density cables for a long time, and the bending radius of the optical fiber is influenced.
Owner:SHENZHEN TONGXINGUANG COMM TECH CO LTD
A method for preparing passion fruit whole fruit wine with improved clarification effect
ActiveCN118291224Bhigh clarityHigh light transmittanceAlcoholic beverage preparationMicroorganism based processesBiotechnologyPectinase
This invention discloses a method for preparing passion fruit whole-fruit wine with improved clarification, belonging to the field of food processing technology. In this method, pectinase, cellulase, and transglutaminase are added before fermentation, and polyglutamic acid, bentonite, and curdlan are added after fermentation. The passion fruit whole-fruit wine obtained by this method has a light transmittance as high as 98.9%. The passion fruit wine composite clarifying agent prepared by this invention can be used in the preparation of passion fruit wine from whole passion fruit, significantly improving the clarity of passion fruit wine, reducing the technical difficulty and production cost of the clarification process, shortening the clarification time, effectively maintaining the flavor and nutritional value of the fruit wine, and improving the production efficiency of the fruit wine; it is simple to operate, easy to implement, and worthy of promotion and use.
Owner:JIANGNAN UNIV
A multi-stage paper pulp grinder for papermaking
The utility model relates to papermaking equipment technical field discloses a multilayer paper pulp rubbing crusher for papermaking, including fine crushing chamber, the right part fixed connection of fine crushing chamber has replacement mechanism, the left side fixed connection of fine crushing chamber has the discharge gate, the top fixed connection of fine crushing chamber has coarse cavity, the right side fixed connection of coarse cavity has cleaning mechanism, the right part fixed connection of coarse cavity has tooth roll, the replacement mechanism includes the base plate, the left side fixed connection of base plate in the right side of fine crushing chamber, the right side fixed connection of base plate has two bolt posts, two the outside fixed connection of bolt post has two clamping plates. In the utility model, the replacement mechanism effectively avoids the need for tedious replacement of different specifications tooth roll when processing different raw materials, improves the problem of internal raw material adhesion to the inner wall of a multilayer paper pulp rubbing crusher for papermaking during use, and improves the efficiency of tooth roll disassembly, replacement and installation.
Owner:ANSHUN HUIJING SANITARY MATERIALS TECH CO LTD
Semiconductor fiber gas sensor as well as preparation method and application thereof
The invention provides a semiconductor fiber gas sensor. The semiconductor fiber gas sensor comprises a silicon dioxide composite fiber, a gas detection electrode, a metal oxide semiconductor gas sensitive layer, a heating electrode and a breathable film, the gas detection electrodes are formed at two ends of the silicon dioxide coating layer; the surface of the silicon dioxide composite fiber is coated with the metal oxide semiconductor gas sensitive layer; the heating electrodes are formed at the two ends of the alloy fiber; the surface of the metal oxide semiconductor gas-sensitive layer is coated with the breathable film. The invention further provides a preparation method and application of the semiconductor fiber gas sensor. The gas sensor provided by the invention is high in heat source utilization rate, high in flexibility and small in size, an additional heating wire is not needed to provide heat energy for the sensor, and the alloy fiber of the composite fiber can generate enough Joule heat to provide heat energy for the gas-sensitive material when current passes through, so that high-sensitivity response is realized.
Owner:SHANXI UNIV
Treatment equipment for plastic packaging waste
ActiveCN222538106UReduce technical difficultylow investment costPlastic recyclingThermodynamicsPlastic packaging
The utility model discloses treatment equipment for plastic packaging waste, and relates to the field of solid waste resourceful treatment. According to the technical scheme, the waste plastic bag processing system is characterized by comprising a waste plastic bag processing line and a waste plastic barrel processing line, and the waste plastic bag processing line comprises a first crushing device, a pyrolysis device and a cooling device; the waste plastic barrel treatment line comprises a second crushing device, a third crushing device, a first cleaning device, a first rinsing device, a second cleaning device, a second rinsing device and a centrifugal dewatering device, the centrifugal dewatering device is connected with an extrusion granulation device, and the discharge end of the cooling device is connected with a wastewater treatment line. The water outlet end of the first cleaning device is connected to a wastewater treatment line. The utility model aims to provide treatment equipment for plastic packaging wastes.
Owner:ZHONGKE ENVIRONMENTAL SCI & TECH RES INST (JIAXING) CO LTD
Tower crown wind-resistant structure of high-rise building
ActiveCN224395748Usmall sizesmall weightBuilding constructionsProtective buildings/sheltersArchitectural engineeringTower
This utility model discloses a wind-resistant structure for the crown of a high-rise building, including a mass block disposed inside the crown and steel cables disposed inside the crown, with the mass block suspended inside the steel cables. The mass block consists of an upper part, a middle part, and a lower part. The upper part consists of block A, block B, and block C. Block A is disposed on top of block B, and block C is disposed at the bottom of block B. An installation mechanism is provided at the connection between the top of block B and blocks A and C. By using a modular design, the mass block is divided into relatively small modules, reducing the requirements for manufacturing equipment, manufacturing difficulty, and cost. Compared with the integral type, the modular mass block has a smaller individual module size and weight, which can be transported using ordinary transportation tools, making it easier to cope with road height and weight restrictions, greatly reducing transportation difficulty and cost. At the installation site, the smaller modules are easier to operate and position.
Owner:中交投资南京有限公司
Strip member foundation integrated with superstructure arched house
The utility model relates to strip board component foundation and upper structure integration arched house, be equipped with arched main part structure, arched main part structure is constituted by several strip board components, and each strip board component of constituting same arched main part structure is arranged in proper order along the arch, and the adjacent side of adjacent strip board components abuts each other, and the bottom of arched main part structure both sides is equipped with the foundation strip board component perpendicular to ground, and the strip board component is in cuboid shape, and the wedge-shaped gap between adjacent strip board components is filled with concrete mortar, and the foundation fixed groove for installing foundation strip board component is set up on the foundation or underground foundation structure, and the lower part of foundation strip board component is fixedly set in the corresponding foundation fixed groove, the house of the utility model simplifies structure, and the construction is convenient, and the construction cost is low, and the period is short.
Owner:侯建群 +1
A method for virtual digital lofting and real-time calibration of installation posture of guide rails
ActiveCN121540056BSpatial calibration problem simplificationReduce technical difficultyUsing optical meansElevatorsVertical planeSlant angle
This invention provides a method for virtual digital lofting and real-time calibration of installation pose of a guide rail, comprising: providing at least two positioning fixtures, each fixture having three collinear optical markers symmetrically arranged on both sides relative to the center marker; fixing the two positioning fixtures to the upper and lower ends of the guide rail respectively, so that the positioning fixtures are in close contact with the two working surfaces of the guide rail; acquiring the global coordinates of all optical markers in real time through a motion capture camera array, and independently calculating the six degrees of freedom pose deviation of the guide rail based on a coordinate comparison scheme corresponding to the layout of the positioning fixtures: calculating the horizontal translation deviation of the upper end of the guide rail; calculating the tilt angle deviation of the guide rail in the vertical plane; calculating the rotation angle deviation of the guide rail about its own length axis by using the coordinate difference of the two markers on both sides of the same positioning fixture on a single coordinate axis; and making targeted adjustments to the installation state of the guide rail according to the calculated pose deviations of each degree of freedom, thereby completing real-time calibration.
Owner:FUJIAN SPECIAL EQUIP TESTING RES INST
Switching device, energy storage system and control method of charging and discharging circuit
PendingCN119602439ASimple structureSimple control logicElectrical storage systemBatteries circuit arrangementsControl engineeringHemt circuits
The invention discloses a switching device, an energy storage system and a control method of a charging and discharging circuit, the switching device is used for the charging and discharging circuit, the charging and discharging circuit comprises a main loop and a pre-charging circuit, and the main loop comprises at least two branches; comprising first switches respectively arranged corresponding to each branch, and each first switch is respectively used for being connected to the corresponding branch; and the second switch is used for being connected with the pre-charging circuit in parallel, and the second switch is also used for being connected with one of the first switches in series on the branch where the first switch is located. The switching device provided by the invention has the advantages of fewer devices, simpler structure and control logic, lower cost and reduced occupied space while meeting the control function of the charging and discharging circuit.
Owner:XIAMEN HONGFA ELECTROACOUSTIC CO LTD
A support and unlocking device for a built-in gate plate and a method of using the same
ActiveCN111321709BSimple structureReduce technical difficultyBuilding locksStructural engineeringCylinder block
The present invention is a support and unlocking device for a built-in gate plate and a method for using the same. It is a support rod for supporting the gate plate, characterized in that the support rod includes a cylinder, a hinge shaft hole is provided at the bottom of the cylinder, a support rod that is telescopic in the cylinder is inserted into the cylinder, a support pin is provided on the end side of the support rod, and a support and unlocking device for controlling whether the support rod is inserted into the cylinder is provided at the barrel mouth of the cylinder. The support and unlocking device includes a guide cylinder and a guide groove formed between an upper guide plate and a lower guide plate fixed on the inner wall of the guide cylinder, and the support pin moves in the guide groove, wherein the lower guide surface of the lower guide plate is arranged with two √ shapes spaced apart, and between the two intervals is an axial through groove through which the support pin can pass, and the upper guide surface of the upper guide plate is formed by inverted reverse √ shapes spliced side by side, and the bottom of the √ shape in the upper and lower guide surfaces is a pit. It has the advantages of simple structure, low manufacturing cost, convenient use and maintenance, and reliable support.
Owner:ZHEJIANG HEHAO GATE TECH CO LTD
Special bucket for forklift and its use method
ActiveCN110902611BReduce labor intensityReduce labor consumptionLifting devicesControl theoryCarriage
Owner:THE THIRD CONSTR CO LTD OF CHINA CONSTR THIRD ENG BUREAU
A compact layout method for high-voltage power distribution equipment
PendingCN122092057AThe amount of renovation work is smallDoes not affect operation and maintenanceBus-bar/wiring layoutsSwitchgear arrangementsBusbarSwitchgear
A compact layout method for high-voltage switchgear belongs to the field of high-voltage electrical technology. It utilizes the small space outside the busbar portal frame of an existing switchgear to adopt a compact layout structure for the high-voltage switchgear. The compact layout structure includes a 220kV HGIS device, busbar bushings, down conductors, and insulators. The 220kV HGIS device has a comb-type or F-type structure and is connected to the original bare busbar of the switchgear via busbar bushings and down conductors. The down conductors are fixed by insulators located directly below the busbar portal frame. This invention fully utilizes the space at the busbar end of the original 220kV AIS switchgear, significantly reducing the footprint of the 220kV high-voltage switchgear; it requires no changes to the original busbar structure, resulting in minimal modification work; it does not affect the operation and maintenance of the switchgear and has no adverse impact on the original switchgear; it has low engineering difficulty and low construction cost; and it can be widely applied in the field of expanding bare busbar high-voltage switchgear where site area is limited.
Owner:DALIAN THERMOELECTRICITY ENG DESIGN CO LTD
Section steel arch frame hoisting tool
ActiveCN222556343UReduce technical difficultyReduce labor costsClimate change adaptationLoad-engaging elementsClassical mechanicsCarriage
The utility model discloses a profile steel lagging jack hoisting tool, which relates to the technical field of profile steel lagging jack transfer equipment, and comprises an inner carriage, a traction structure, an outer carriage, inner hook teeth, outer hook teeth and a distance adjusting mechanism, the traction structure is arranged at the top of the inner carriage, the outer carriage is arranged on the outer side of the inner carriage, the inner carriage is horizontally connected with the outer carriage in a sliding manner, and the distance adjusting mechanism is arranged on the outer side of the outer carriage. A plurality of inner hook teeth are arranged at the bottom of the inner sliding frame in the horizontal direction, a plurality of outer hook teeth are arranged at the bottom of the outer sliding frame in the horizontal direction, the distance adjusting mechanism is used for adjusting the distance between the inner hook teeth and the outer hook teeth, and the inner hook teeth and the outer hook teeth are matched to be meshed with the profile steel arch frame. According to the utility model, the labor cost can be reduced, and the hoisting safety is improved.
Owner:CHINA RAILWAY SHISIJU GROUP CORP +1