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14results about How to "Realize Quantitative Control" patented technology

Reinforced concrete member manufacturing method and post-cracking bending rigidity calculation method

The invention relates to the field of buildings, in particular to a reinforced concrete member manufacturing method and a post-cracking bending rigidity calculation method.The reinforced concrete member manufacturing method comprises the following steps that S1, a steel reinforcement framework is fixed to the set position of a concrete pouring mold, and a reinforced area of a concrete body is determined; s2, determining structural parameters of the reinforcing grooves and the reinforcing ribs; s3, the foam board is cut to enable the shape of the foam board to correspond to the shape of the reinforcing groove, and the foam board is fixed to the position, corresponding to the reinforcing area, in the concrete pouring mold; s4, concrete is poured into the concrete pouring mold, a concrete main body is formed after the concrete is cured and solidified, and after the concrete main body is demolded, the internal foam plate is emptied to form a reinforcing groove; and S5, reinforcing ribs are inserted into the reinforcing grooves, the reinforcing grooves are filled with UHPC, and machining of the concrete member is completed after maintenance. The bearing capacity and durability of the reinforcing system are improved, meanwhile, the glass fiber reinforced resin composite material in the retired wind power blade is applied to the reinforcing system, and the reinforcing cost is reduced.
Owner:HEFEI UNIV OF TECH

A method for setting tools on a vertical slotting machine and the tool setting fixture used thereon.

PendingCN122077068AAvoid baseline biasAccuracy is stable and up to standardAutomatic control devicesPlaning/slotting machinesMechanical engineeringIndustrial engineering
This application discloses a tool setting method and tool setting fixture for a vertical slotting machine, belonging to the technical field of tool setting devices. To address the problems of low tool setting efficiency and poor accuracy in existing vertical slotting machines, the tool setting fixture includes a central support plate. A triangular jaw is installed at the bottom of the central support plate. The tool setting fixture is installed at the inner hole of the workpiece to be processed via the triangular jaw. A support base for fixing a measuring device is installed on the front side of the central support plate. A tool setting sample block is detachably connected to the support base. The operator determines the tool setting position by cooperating with the measuring device and the tool setting sample block. This application is mainly used as a tool setting device for CNC vertical slotting machines.
Owner:HARBIN TURBINE +1

Cavitation shot peening surface strengthening method and system based on cooperation of high hydrostatic pressure and spherical focused ultrasound

PendingCN121951194AImprove mechanical propertiesViolent inertial collapseUltrasonic sensorLiquid medium
The invention discloses a cavitation shot peening surface strengthening method and system based on cooperation of high hydrostatic pressure and spherical focused ultrasound. The method comprises the following steps: establishing and maintaining a hydrostatic pressure environment higher than 0.1 MPa in a high-pressure processing cavity filled with a degassing liquid medium; the to-be-machined surface of the workpiece is positioned in a sound field focal region of the spherical focused ultrasound transducer; and in the high hydrostatic pressure environment, a transducer is driven to work so as to generate a cavitation bubble group in a space confinement range in a focal region of the transducer, and meanwhile, the workpiece is controlled to move according to a preset path, so that cavitation collapse impact acts on a target region on the surface of the workpiece. The device comprises a high-pressure processing cavity, a spherical focused ultrasonic transducer, a multi-degree-of-freedom movement mechanism and a control system. Through cooperation of high hydrostatic pressure constraint and the spherical focusing sound field, precise localization and energy strengthening of the cavitation effect are achieved, a plastic deformation layer can be efficiently and controllably introduced to the surface of a metal material, the surface hardness can be remarkably improved, a residual compressive stress layer is formed, surface layer grains are refined, and the method is suitable for precise surface strengthening of complex components.
Owner:CHONGQING MEDICAL UNIVERSITY

Three-dimensional heterogeneous formation water control oil extraction multi-parameter synchronous simulation experiment device

PendingCN121993163Aflexible constructionRealize Quantitative ControlSurveyControl engineeringOil production
The invention relates to a three-dimensional heterogeneous formation water control oil extraction multi-parameter synchronous simulation experiment device which comprises a device body, a plug, a production pipe column and a sensor unit. The device body is of a coaxial multi-layer nested structure, a plurality of independent simulation units are constructed in an internal annular sand filling area through replaceable sieve pore partition plates, and heterogeneous stratum reconstruction of fluid communication and sand body isolation is achieved. The production pipe column adopts a modular water control short section series connection structure, a replaceable fluid sensitive valve and a tracer agent storage cabin are integrated, and performance evaluation and fluid traceability of multiple types of water control tools are achieved; the sensor unit synchronously acquires outlet, wall surface and radial gradient pressure through three-dimensional arrangement of mandrels with various lengths, and realizes multi-dimensional data collaborative analysis in combination with flow and water content monitoring. The problems that an existing device is difficult to restore complex fluid channeling physical characteristics and is single in monitoring dimension are solved, full-process high-fidelity simulation from stratum seepage to tool water control is achieved, and key technical support is provided for water control strategy optimization.
Owner:SOUTHWEST PETROLEUM UNIV

Preparation method of lunar soil simulation with controllable components based on thermal phase change

ActiveCN121521575BRealize Quantitative ControlSolve the problem of inability to carry out component factor experimental designPreparing sample for investigationTest designLunar soil
The application discloses a component-controllable simulated moon soil preparation method based on thermal phase change and belongs to the technical field of moon soil simulation material preparation.The application realizes controllable adjustment of the content of main mineral phases (plagioclase, pyroxene, olivine and amorphous phase) through thermal melting and crystallization processes, and determines the mixing ratio in combination with a nonlinear programming model, so that the simulated moon soil is highly similar to the target moon soil in terms of mineral phase composition, microstructure, optical performance and thermal performance.The method provides a high-fidelity simulation material with adjustable components for the ground experiment of ISRU technology (such as sintering, metallurgy and in-situ 3D printing), and solves the problem that the traditional simulation material preparation method cannot perform fine component factor test design in the related technical research process.
Owner:HARBIN INST OF TECH

Bionic tooth surface microstructure concrete design method

PendingCN121962522AHigh degree of reductionAvoid affecting biometric extractionSustainable transportation3D modellingPoint cloudAlgorithm
The invention relates to the field of mechanical surface engineering and bionic design, in particular to a bionic tooth surface microstructure concrete design method. The method comprises the following steps: acquiring point cloud data of a shell body surface, and constructing a shell body surface three-dimensional model by using the point cloud data; constructing a bionic coupling element matrix by using the shell body surface three-dimensional model; constructing an equal-arc-length parameter sequence and a gray mapping matrix based on the bionic coupling element matrix, and constructing a structural feature matrix by using the equal-arc-length parameter sequence and the gray mapping matrix; and establishing a tooth surface geometric model of the target gear, and mapping the structural feature matrix to a parameter domain of the tooth surface geometric model to obtain initial micro-texture geometric distribution. And constructing a morphological design parameter matrix, and regulating and controlling the initial micro-texture geometric distribution by using the morphological design parameter matrix to obtain a bionic tooth surface micro-texture model. The problem that in the prior art, a quantitative conversion method from biological structure geometric characteristics to engineering tooth surface micro-texture design parameters is lacked is solved.
Owner:JIMEI UNIV

High-precision assembly and adjustment device and method for an aircraft accessory gearbox pipeline

PendingCN122100028ARealize Quantitative ControlHigh-precision docking ensuresAircraft assemblyMetal-working hand toolsAviationControl system
The application discloses an aviation aircraft accessory casing pipeline high-precision assembly adjusting device and method, and belongs to the field of precision machining. The device comprises: a reference positioning assembly containing a positioning seat (4) and an angular pin (5), which is used for accurate positioning with a casing mounting seat; a space extension positioning assembly, one end of which is connected with the reference positioning assembly, and the other end of which extends to the space position of a pipeline to be adjusted to reproduce an interface coordinate vector; and a pipeline interface positioning pin (6, 7, 17), which is movably installed at the end of the space extension positioning assembly and is used for cooperating with a pipeline port to check the precision of the pipeline port. The method steps are as follows: fixing the device on the casing; inserting the positioning pin into the pipeline port; if all the positioning pins can be inserted freely and the end faces are flush, the pipeline is qualified; otherwise, the pipeline is repaired and rechecked. The application can accurately control the space position of the pipeline, realize high-precision stress-free butt joint, greatly shorten the assembly period, build a quantitative control system, and improve the reliability and safety of the pipeline system.
Owner:HARBIN DONGAN ENGINE GRP

A combined self-tightening seal structure for a thrust chamber head

The present application relates to the technical field of rocket engine test device, and particularly relates to a combined self-tight sealing structure for the head of a thrust chamber, which is used for sealing the head of the thrust chamber during testing; the combined self-tight sealing structure comprises a first sealing assembly, a second sealing assembly and a third sealing assembly; the first sealing assembly and the second sealing assembly both form annular sealing surfaces on the head of the thrust chamber, and the sealing surfaces of the first sealing assembly, the second sealing assembly and the third sealing assembly are sequentially arranged from outside to inside, and jointly seal the head of the thrust chamber; the first sealing assembly transmits a test load to the flange of the head of the thrust chamber, the second sealing assembly transmits the test load to the back of the flange of the head of the thrust chamber, and the third sealing assembly transmits the test load to the base of the test device; the high-pressure load during testing acts on the first sealing assembly, the second sealing assembly and the third sealing assembly respectively, thereby improving the safety factor of each sealing assembly and reducing the stress level of the sealing member under high-pressure test conditions.
Owner:XIAN SPACE ENGINE CO LTD

Method for reducing iron loss in early stage slag of electric furnace smelting

PendingCN122588305AReduce iron lossGood at maintaining oxidation
The application discloses a method for reducing iron loss in slag in early smelting stage of an electric furnace, and belongs to the technical field of electric arc furnace steelmaking. The method comprises the following steps: controlling the temperature in the early blowing stage to be 1350-1450 DEG C, which comprises two stages, the first stage is 0-5 min after the blowing is started, and the oxygen blowing intensity is 0.2-0.5 m3 / t / min; the second stage is from 5 min after the blowing is started to before the slag is discharged in the early stage, the excess oxygen content in the slag is calculated according to the flue gas analysis result, and the blowing parameters are formulated, wherein the excess oxygen content in the slag refers to the total oxygen content in the slag except for silicon dioxide. According to the method, the blowing parameters in the early smelting stage are dynamically adjusted according to the excess oxygen content in the slag, the oxidizability of the slag in the early smelting stage is reasonably controlled, meanwhile, the "iron inclusion in the slag" phenomenon caused by the over-strong molten pool stirring due to the over-high blowing intensity is effectively avoided, and therefore the iron loss in the slag when the slag is discharged in the early stage is effectively reduced.
Owner:ANHUI UNIVERSITY OF TECHNOLOGY

A controllable power resource incremental model establishment method

ActiveCN120638436BRealize two-way adjustmentAutomatically adjust discharge strategyAc network load balancingDesign optimisation/simulationPower usageVoltage variation
This invention provides a method for establishing an incremental model of controllable power resources, belonging to the field of power regulation; it solves the problem of low efficiency in power resource regulation; specifically as follows: calculating the expected power consumption of each municipal district; constructing the discharge characteristic function of the energy storage device, and adjusting the discharge time of each energy storage device according to the discharge characteristic function; calculating the expected power consumption of the power consumption area and constructing the admittance matrix; obtaining the actual power consumption of the power consumption area, and correcting the admittance matrix according to the expected power consumption, adjusting the supply voltage, phase, and power from each municipal district to the power consumption area; this invention, by acquiring, analyzing, and mathematically modeling relevant electrical data of the target area, simulates the power and voltage changes from transmission to consumption in each power consumption area of ​​the target area, which is helpful for the regulation of power resources in the target area.
Owner:RI ZHAO GANG JI ZHUANG XIANG FA ZHAN YOU XIAN GONG SI DONG LI FEN GONG SI

A control method and system with steel signal threshold matching and correction

The application discloses a control method with steel signal threshold value matching and correction, relates to the field of steel production, and solves the technical problem that the existing abnormal steel signal causes production disorder. The method comprises the following steps: collecting rolling line steel passing torque mean value and rolling line no-load torque mean value; obtaining an optimal time interval; calculating the optimal steel signal triggering torque value by taking the rolling line steel passing torque mean value and the rolling line no-load torque mean value of the optimal time interval; setting the optimal threshold value of the steel signal rolling distance; if the optimal steel signal triggering torque value is greater than the optimal threshold value of the steel signal rolling distance, an abnormal early warning is given, and the next step is entered; otherwise, a normal state is maintained; and when the rolling mill appears abnormal early warning, the triggering torque threshold value is matched and adjusted. The application further discloses a control system with steel signal threshold value matching and correction. The application can avoid the occurrence of steel stacking and process accidents.
Owner:YANGCHUN NEW STEEL CO LTD

Energy efficiency optimization method and system for deslagging in coal gas debenzolization process

PendingCN121979144ASolve the problem of slag discharge deviationPrevent slag accumulation and cokingCombustible gas purificationProgramme total factory controlThermodynamicsClosed loop feedback
The invention relates to the technical field of coal chemical industry processes, and discloses an energy efficiency optimization method and system for deslagging in a coal gas debenzolization process, and the method comprises the following steps: calculating a washing oil residue generation rate by using a reaction kinetic model, and carrying out integration to obtain an accumulated residue amount; when the slag quantity reaches a threshold value, establishing a mapping relation between slag discharge duration and target mass through a fluid mechanics model, and realizing quantitative slag discharge; in a material conveying process, a comprehensive emulsification risk index is constructed based on shearing and turbulence characteristics of a pipeline pressure signal, and a flow control mode or a hot lean oil dilution mode is dynamically switched according to the comprehensive emulsification risk index; and adaptively correcting the risk judgment threshold value by using the separation quality feedback of the mechanical clarifying tank. Through multi-physical field model coupling and closed-loop feedback, quantitative control of the deslagging process and emulsification inhibition of the conveying process are achieved, and the separation efficiency and operation stability of the system are improved.
Owner:NINGXIA KINGHO COAL CHEM GRP CO LTD

Anti-adsorbent pulverized type adsorption column

The utility model discloses an anti-adsorbent powder type adsorption tower, including: adsorption tower body, gas production main line and gas inlet main line, the gas inlet end of gas production main line is located adsorption tower body's inside top side, and the gas outlet end is located adsorption tower body's outside, the gas inlet end of gas inlet main line is located adsorption tower body's inside bottom side, and the gas outlet end is located adsorption tower body's outside, gas inlet main line and gas production main line all include following structure: main line, at least two branch gas pipe lines with main line connection and at least two mineral sieve pipes of every branch gas pipe line connection, mineral sieve pipe is buried in adsorbent bed layer, wherein the size of mineral sieve pipe is designed according to adsorption tower, thereby reducing the powder of adsorbent, improve gas adsorption efficiency.
Owner:CSSC JIELI GAS TECH (SHANXI) CO LTD

Metal powder rolling feed device and method

ActiveCN122007420Bcausing density fluctuationsEliminate local accumulationClassical mechanicsStructural engineering
This invention discloses a feeding device and method for metal powder rolling, relating to the field of metal powder rolling equipment. The device includes a feeding hopper with a discharge port at its bottom. Movable side plates of the feeding hopper are slidably connected to a front and rear end plate. A gap adjustment mechanism is installed on the feeding hopper to adjust the position of the movable side plates and change the size of the discharge port. Two sets of stirring shafts are installed inside the feeding hopper, with follower wheels connected to the ends of the stirring shafts for frictional contact with the rolling mill rolls. An adjustable partition mechanism is also installed inside the feeding hopper between the two sets of stirring shafts. Based on this device, the method uses the gap adjustment mechanism in conjunction with a replaceable nozzle insert to synchronously adjust the discharge port size with the roll gap. The angle of the partition is adjusted by the swing adjustment mechanism to control the composite layer thickness ratio, and the rollers drive the follower wheels to rotate the stirring shafts. This invention can improve feeding uniformity, adapt to different roll gap specifications, and achieve precise layer control of composite materials.
Owner:SHENZHEN HENGGE TECH CO LTD