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191results about How to "Improve the rate of success" patented technology

Method and system for accelerating file uploading and downloading

The invention relates to a method and a system for accelerating file updating and downloading. The method comprises the following steps: adopting a multithreading technique and a fault-tolerant technique in client computers of one or more clients; adopting a cache access technique in a server of a service end; and at each one of the client computers, partitioning the files to be transmitted, thensynchronously staring multiple threads respectively, uploading or downloading one or more data blocks, and adopting the fault-tolerant technique to perform retry according to the time and the frequency. The server establishes a data cache according to the thread number of each one of the client computers and prepares the data blocks larger than the thread number. During the uploading and the downloading, the client computers inform a specific thread of the server to further write the data in the data cache into a permanent storage of the server or read the data out from the permanent storage of the server.
Owner:CAXA TECH

Drowning behavior online identification method based on machine vision

The invention discloses a drowning behavior online identification method based on machine vision. The drowning behavior online identification method comprises: acquiring an image; preprocessing; performing image transmission: transmitting the preprocessed image to a cloud server through a wireless network; performing offline training of OpenPose: the cloud server performs offline training of a model suitable for extracting key points of a human body in water based on lightweight acceleration of OpenPose, and the offline training classifier is used for training a neural network-based binary classifier after human body key points are extracted, and is used for judging whether people are drowned or not; and performing server online monitoring: the cloud server operates the improved lightweight acceleration OpenPose to extract human body key points in the image, performs drowning judgment on the key points, calculates the danger degree and outputs alarm information. The drowning behavior online identification method can be used on a small robot on water, a fixed camera on water or a fixed camera under water, is used for identifying the real-time posture of a swimmer, discriminating andearly warning drowning suspicious postures, and assists a lifeguard in drowning identification at a swimming pool, a seaside and the like.
Owner:ZHEJIANG UNIV

Micro fine-grained titanium-nickel-niobium shape memory alloy block material preparing method

The invention is a manufacturing method for a kind of micron tiny crystal titanium nickel-niobium shape memorizing alloy block materials, 45%-50% titanium, 40%-45% nickel, 5%-10% niobium are melted and produced into titanium nickel-niobium alloy cast ingot, and cuts the titanium nickel-niobium alloy block material into blank, and carries on surface finish process, and paints with glass lubricate, uses isometric curved squeezing mould with 90-120 degrees channel angle, the mould cavity surface is painted with black lead lubricate, the blank and mould are heated and carries on temperature reservation, and takes them out to be squeezed at the same time, finally gets the product. The invention solves the problem that the bad plastic property of titanium nickel-niobium shape memorizing alloy in room temperature, enhances the alloy mechanical performance, and lowers the cost.
Owner:SHANGHAI JIAO TONG UNIV

Dynamic adjustment system for metallurgical continuous casting and continuous rolling production plan

The invention discloses a dynamic adjustment system for a metallurgical continuous casting and continuous rolling production plan. The system comprises a dynamic adjustment server for the continuous casting and continuous rolling production plan, database connection and a database, a network, a converter industrial automation system, a refining industrial automation system, a continuous casting industrial automation system, a hot-rolling industrial automation system, and an integral planning system. The dynamic adjustment server for the continuous casting and rolling production plan can acquire the moment data of the converter industrial automation system, the refining industrial automation system and the continuous casting industrial automation system, calculate the cast-on moment of a heat plan in real time and dynamically generate a casting machine cutting plan according to the moment data and a rolling plan stored in the database by the integral planning system, and produce an order according to actual distributed slabs so as to guide the production. Therefore, the dynamic adjustment system for the metallurgical continuous casting and continuous rolling production plan can adapt to the order-oriented production mode, accord with the requirement on production technology, and realize maximized productivity of the steelmaking production and the optimized rolling process.
Owner:武钢集团有限公司

Starting method of boot program and relevant device

The embodiment of the invention provides a starting method of a boot program and a relevant device. The starting method of the boot program comprises firstly determining whether a currently-operated first physical block in a Nandflash is a bad block when a boot start request is detected, reading first boot data stored in the first physical block when the first physical block is not a bad block, determining whether the first boot data which are read has data errors, re-reading first boot data from a first backup block when the first boot data which are read has data errors, determining whether the first boot data which is re-read from a first backup block has data errors, continuing processing the other boot data which needs reading when the boot program is started according to the same processing mode as the first boot data after the first boot data which is re-read from the first backup block has no data errors until the starting of the boot program is completed.
Owner:HUAWEI TECH CO LTD

Equipment monitoring and diagnosing method

The invention provides an equipment monitoring and diagnosing method, comprising the following steps of obtaining a vibration signal of the equipment under a fixed rotation speed; calculating the characteristic value complying with Gaussian distribution within the corresponding frequency width range according to the vibration signal so as to establish at least one benchmark line; subsequently judging the normality or abnormality of the equipment according to the benchmark line, the corresponding frequency width range and the characteristic value; therefore, if the vibration signal exceeds the benchmark line of safe range, the abnormality and failure type can be diagnosed and recognized; and furthermore, the aim of owning the automatic monitoring and diagnosing and learning capabilities can be realized. Furthermore, the equipment monitoring and diagnosing method does not need to consider all failure types that may occur in the whole service life of the equipment so as to greatly reduce the development scale and difficulty of the failure monitoring and diagnosing system, thus improving the visualization of the equipment condition and increasing the completion rate of the equipment.
Owner:CHINA STEEL

Method for preparing calcium-silicon-potassium-magnesium soil conditioner

The invention provides a method for preparing a calcium-silicon-potassium-magnesium soil conditioner. The method comprises the following steps: A, preparing raw materials; B, grinding; C, calcining; D, water quenching; E, crushing; F, granulating; and G, drying. According to the preparation method, potassium-containing shale is utilized to prepare calcium-silicon-potassium fertilizer, so that potassium in the calcium-silicon-potassium fertilizer is sufficiently utilized as potassium fertilizer, and silicon oxide in the calcium-silicon-potassium fertilizer is sufficiently utilized to produce excellent silicon fertilizer; limestone and dolomite added into production are sufficiently utilized to produce calcium fertilizer and excellent soil conditioners; the raw materials are sufficiently utilized and converted into fertilizer, and the fertilizer cannot cause soil acidification, alkalization and hardening after being applied, the commodity quality and product quality of crops can be remarkably improved, and the crops have higher nutritional value.
Owner:HEBEI ZHONGRUI AGRI SCI & TECH

Flexible and active color semiconductor light-emitting display module and flexible display screen

The invention discloses a flexible and active color semiconductor light-emitting display module and a flexible display screen. The flexible and active color semiconductor light-emitting display modulecomprises a flexible and active matrix display control circuit substrate, a short-wavelength III-V semiconductor light-emitting device array intermediate layer and thin film matrix array top layers,wherein the thin film matrix array top layers are corresponding to short-wavelength III-V semiconductor light-emitting device arrays and are used for respectively emitting blue light, green light andred light, the short-wavelength III-V semiconductor light-emitting device array intermediate layer is pasted onto the flexible and active matrix display control circuit substrate, and the thin film matrix array top layers are etched onto a part of the short-wavelength III-V semiconductor light-emitting device array intermediate layer. By the flexible and active color semiconductor light-emitting display module, the flexible and active color semiconductor light-emitting display module can be produced and manufactured, a flexible display screen is produced, and the flexible and active color semiconductor light-emitting display module has the advantages of simple process, structural stability, relatively high finished rate and the like.
Owner:SPIMAGE XIAMEN CO LTD

Rolling deformation resistance prediction system of new steel based on clustering analysis

A rolling deformation resistance prediction system of new steel based on clustering analysis belongs to the technical field of cold continuous rolling process control mathematical model system. The system aims at solving the problem that a deformation resistance analysis mathematical model based on hypothesis and simplification cannot offer a deformation resistance meeting requirements of set-up accuracy, thereby causing low set-up accuracy of the whole model system. The prediction system reads basic data of steel coils from a steel coil basic data sheet to determines key parameter objects of clustering analysis through correlation analysis between relative data of steels and rolling deformation resistance, and determines classification of new steels according to closeness degree of new steels to clustering centers of each steel, thereby determining predicted rolling deformation resistance of new steels corresponding to basic reduction rate. The prediction system solves the problem of low set-up accuracy of the whole model system due to low calculating accuracy of rolling reformation resistance, and improves product qualified rate and finished rate of cold continuous rolling strip steels.
Owner:BEIJING SHOUGANG AUTOMATION INFORMATION TECH

Production method of stainless-steel, carbon steel and stainless steel three-layer combined plate coil

The invention provides a production method of a stainless-steel, carbon steel and stainless steel three-layer combined plate coil, and aims at solving the problem of non-uniform stress distribution and non-uniform deformation in hot rolling processing. The method comprises the steps of assembling a plate blank; heating the plate blank; removing phosphorous with high pressure water; roughly rolling; fine rolling; cooling through streamline flow; coiling, wherein the heating is performed at the temperature of 1200 to 1260 DEG C; the rough rolling is started at the temperature of 1100 to 1200 DEG C, and the rolling is performed at three to seven times; the fine rolling is started at the temperature being not less than 950 DEG C, and the rolling is performed at five to nine times. With the adoption of the method, the plate coil being 3 to 16mm in thickness can be produced; the plate has a good form, and is high in yield.
Owner:ZHENSHI GROUP EASTERN SPECIAL STEEL

Method for producing large-sized seamless pipeline tube

The process of producing seamless steel pipe includes the following steps: heating the pipe blank to 1000-1200 deg.c in a rotating hearth furnace, bidirectional hot centering in a bidirectional hot centering set, piercing in a conic roll piercer with front rotating feeder and back rotating mandrel to obtain hollow billet, rolling in five sets of three-roller plug mill, extracting in a three-frame extracting mill, hot sawing to crop ends, passing through fast chain beam and walking beam, straightening in a multi-roll straightening machine, inspecting and packing. The present invention can produce seamless steel pipe product in different sizes, and has high production capacity, high product quality and other advantages.
Owner:沈阳东方钢铁有限公司

Casting mold for cylindrical housing part and casting method by using the mold

The invention discloses a casting mold for a cylindrical housing part comprising an outer mold (1), an inner mold (2), runners (4), a molding cavity (7) and risers (8). The outer mould (1) is composed of two half-mold bodies, the cylindrical inner mold (2) is located at the center of the outer mold (1); two runners (4) are arranges at both sides of the cavity (7), each runner (4) is connected to a buffer channel (5), each buffer channel (5) is connected with the molding cavity (7) through connecting channels (6), and both sides of the top of the molding cavity (7) are provided with a riser (4) each. The invention also discloses a casting method by using the mold. In the invention, molten aluminum is fully filled in the molding cavity, and the molten aluminum pressures of various parts of the molding cavity is balanced, so no crack is produced after the molten aluminum is cooled, the yield is high, the casting process is continuous and fast, and the efficiency is improved.
Owner:GUIZHOU HUAKE ALUMINUM MATERIAL ENG TECH RES

High-carbon, sulfur-containing and easy-cutting type ferritic stainless steel and production method thereof

The invention discloses high-carbon, sulfur-containing and easy-cutting type ferritic stainless steel and a production method thereof. The production method comprises a heating process, a rolling process and a cooling process; a steel billet used in the production method comprises the following chemical components in percentage by mass: 0.080-0.130% of C, not less than 0.50% and not greater than 1.25% of Mn, not greater than 1.00% of Si, not greater than 0.045% of P, not less than 0.15% and not greater than 0.35% of S, 15.00-20.00% of Cr, not greater than 0.60% of Ni, and the balance Fe and inevitable impurity elements, wherein the ratio of anganese to sulfur is not less than 3. Phi 5.5-38mm high-carbon and easy-cutting type ferritic stainless steel can be produced through the method, is high in yield and high in surface quality, and also has a good effect on controlling the shape of inclusions; the product of a ferritic structure; the grain size of the product is beyond grade 8; the hot rolling strength is 450 to 550MPa; the elongation percentage is 15-30%; and the reduction of area is 60-80%. With the adoption of the method, production accidents such as splitting and steel heaping in rolling can be effectively avoided; the yield is more than 97%; the percent of pass is beyond 95%. Therefore, the production cost can be greatly decreased.
Owner:XINGTAI IRON & STEEL

Micron fine-grained titanium-nickel alloy block material isodiametric corner extrusion preparing method

The invention is an isometric angle squeezing producing method for a kind of micron tiny crystal titanium nickel alloy block materials. Titanium and nickel whose atom percentage are 45%-52% and 48%-55% are melted in vacuum, produces the titanium nickel base alloy cast ingot, cuts the block materials into blanks, and carries on surface finish process, and paints with glass lubricate, uses squeezing mould with 90-120 degrees angle, the surface of mould cavity is painted with black lead lubricate, the blank, mould are heated, and they are taken out from the stove and carried on with angle squeezing, finally acquires the titanium nickel base alloy block materials with excellent intensity and plasticity. The invention enhances the mechanical property of alloy, and reduces the cost.
Owner:SHANGHAI JIAO TONG UNIV

Nickel-iron spectrum standard sample and preparation method thereof

The invention discloses a nickel-iron spectrum standard sample and a preparation method thereof. The nickel-iron spectrum standard sample is characterized by comprising the following chemical elements by weight: 14.9-50.0% of Ni, 0.03-2.50% of C, 0.2-4.5% of Si, 0.004-0.040% of P, 0.002-0.300% of S, 0.4-2.0% of Co, 0.01-0.25% of Cu, 0.1-2.0% of Cr and 40-80% of Fe. The method utilizes processes including intermediate-frequency furnace smelting, rain drench type pouring, water cooling copper mould casting, tundish bottom pouring and the like, so that uniform component tissue of the spectrum standard sample is ensured.
Owner:SHANXI TAIGANG STAINLESS STEEL CO LTD

Hot-winding machine for flange workblank

The present invention relates to a hot rolling machine of a flange roughcast, which comprises a stander, a power machine that is fixed on the stander, a reducer, a bearing box and a flat-steel guiding device, wherein, a main shaft passes through and is arranged inside the bearing box; one end of the main shaft is connected with the output shaft of the reducer through a coupler, and the other end is provided with a disc-shaped curling mold; the edge of the curling mold is provided with an end clip; a hydraulic jacked device is arranged in the same plane of the curling mold; a jacked wheel is arranged at the end of the jacked device. The hot rolling machine of the flange roughcast saves material, and has high processing precision, high processing speed and high production efficiency, and is favorable to be popularized.
Owner:CHANGTONG TECH

Composite packaging film forming process and making device

The invention relates to a composite packaging film forming process which has a technical key point of comprising the following steps: a, feeding; b, raw material extruding; c, raw material mixing; d, tape-casting; e, thin film thickness measuring; f, electrode corona; g, tempering; h, trimming; and I, finished product recovering. The invention further relates to a making device of a composite packaging film. The making device comprises an extruder, a raw material mixer, a tape-casting unit, a thickness-measuring unit, a corona unit, a tempering unit and a winding unit, wherein a raw material adding hole, an extruding cavity and an extruding rod are arranged on the extruder; a raw material reflowing hole is formed in the raw material mixer; the tape-casting unit is arranged at one side of the raw material reflowing hole, and a cooling traction roll is arranged on the tape-casting unit; a corona guide rotary roll and a high-voltage electrode are arranged on the corona unit; a plurality of heating rotary rolls are arranged on the tempering unit; a cutter device and a winding roll arranged at one discharging side of the cutter device are arranged on the winding unit. The composite packaging film forming process is simple and is high in yield; the making device is simple in structure and can be used for preferably precipitating a smooth opening agent.
Owner:SOTECH SMARTER EQUIP CO LTD

Grafting method for tomato

InactiveCN104813850AThe grafting method is simpleEasy to operateHorticultureTomato graftingRootstock
The invention belongs to the technical field of vegetable grafting, especially a grafting method for tomato. The method comprises the steps: selecting stock seedlings with strong appetency and scion for cutting, grafting and management after grafting. The method specifically comprises the following steps: cultivating scion; the stock seedlings and scion sterilization; and the management after grafting. The method is simple, is easy to operate, is high in grafting survival rate, is high in speed of regrowth, and saves labor. The impact on the method from weather is very small, and the performances of water absorption and moisture retention are high. For good seedlings, the cost can be greatly reduced, and the varieties of tomato can be improved. In addition, the resistance is improved, and the yield is improved.
Owner:GUANGXI UNIV

Environment-friendly composite water retention agent, preparation and using method thereof

The invention discloses an environment-friendly composite water retention agent which comprises loess absorbing an inorganic fertilizer, plant waste, dry animal waste and an acrylic polymer, wherein the loess absorbing the inorganic fertilizer, the plant waste and the dry animal waste are dispersed in the acrylic polymer, and the acrylic polymer is firstly pre-polymerized and then added with nutritional ingredients to be mixed, so that various nutritional ingredients can be prevented from participating into polymerization crosslinking reaction of crylic acid, and the original nutritional ingredients are kept. Meanwhile, nutritional ingredients are uniformly dispersed into the acrylic polymer to be combined into a whole without separation, so that the composite water retention agent is more convenient to use, and enough nutritional ingredients required for growth are uniformly provided to the plant while water retention is achieved. The environment-friendly composite water retention agent is characterized in that the environment-friendly composite water retention agent is suitable for dry areas lack of water, for example, economic trees such as calcium humilis and shinyleaf yellowhorn planted in a desertification area in northern China; the setting ratio is high, and roots are not rotted. The gel strength of the water retention agent is 180-210g / cm<2> and the moisture pickup is 250-450g / g.
Owner:NORTHWEST NORMAL UNIVERSITY

Steel coating device and production method thereof

The invention relates to the field of metallurgical pressure machining and coating, and provides a steel coating device and a production method of the steel coating device. Production of hot-rolled acid-pickling-free steel and coating steel of other varieties such as galvanized steel is achieved. The steel coating device comprises a reduction cooling device, a coating device and an after-coating cooling device. The hot-rolled acid-pickling-free steel with glass films can be produced through the coating device arranged on an outlet of a hot rolling finishing mill. The steel coating device has the advantages that technical feasibility is high, investment is low, and the effect is remarkable; the requirements of various industries are met; coating materials are cheap, easy to obtain and high in renewable utilization value; energy conservation and emission reduction of multiple industries can be promoted, and meanwhile sound development of downstream industries is driven; online and simultaneous production of the acid-pickling-free steel and the coating steel can be achieved on one hot rolling production line.
Owner:夏征

Shell guiding type deflecting drilling tool

ActiveCN107676040AAvoiding unsuccessful rampingReduce wearDirectional drillingUniversal jointDrill bit
The invention discloses a shell guiding type deflecting drilling tool comprising a guiding shell. The guiding shell is provided with a plurality of annular grooves which are distributed at intervals in the length direction of the guiding shell. The multiple annular grooves divide the guiding shell into a plurality of shell short sections. Each annular groove communicates with a T-shaped groove, and all the T-shaped grooves are distributed in one side of the guiding shell in the length direction of the guiding shell and penetrate through the guiding shell. In every two adjacent shell short sections, one shell short section is provided with the corresponding T-shaped groove, and the other shell short section is provided with a T-shaped connecting plate located in the T-shaped groove. The T-shaped connecting plates can move by a preset distance along the T-shaped grooves. The shell guiding type deflecting drilling tool further comprises a flexible drilling rod arranged in the guiding shell and comprising a first drilling rod connector, a second drilling rod connector, a deflecting drill bit and a plurality of drilling rod short sections which are connected head to tail and located between the first drilling rod connector and the second drilling rod connector. Every two adjacent drilling rod short sections are connected through a universal joint.
Owner:PETROCHINA CO LTD

Vacuum continuous casting device and method for alloy billets

The invention discloses a vacuum continuous casting device and method for alloy billets. The device comprises a smelting chamber and a casting chamber, wherein the smelting chamber is internally provided with a smelting system; a liquid steel pouring system and a collecting system are arranged in the casting chamber sequentially; the smelting chamber is connected with a main vacuum system through a pipeline and a valve; the casting chamber is connected with an auxiliary vacuum system through a pipeline and a valve; the smelting chamber and the casting chamber are separated from each other by main and auxiliary vacuum isolating valves; the main vacuum system and the auxiliary vacuum system are respectively provided with a vacuum instrument and an inflating / deflating system which are used for displaying and adjusting vacuum degrees; and the smelting chamber is provided with a smelting material vibrating system. Continuous casting of the alloy billets are performed by a single-point vibrating crystallizer, so that the continuous casting requirements of special alloy are met, the processing procedures of generating alloy ingot risers, cutting of skins and forging to form square billets are avoided, and the cost can be reduced by over 30 percent.
Owner:LIAONING HENGDA HEAVY IND

Lamellar water logging exhausted oil well blocking and dredging combined tapping potential production increase method

ActiveCN102678098ALow costPotential tapping effect is goodFluid removalPotential effectOil production
A lamellar water logging exhausted oil well blocking and dredging combined tapping potential production increase method is applied to oilfield development. Production test data are used for determining a low seepage layer or a lower pressure layer which is high in oil saturation and low in recovery percentage to be a potential layer, then well cementation cement paste of metalloid powder is used for plugging an opened oil layer, redundant cement plugs in a shaft are removed in a drilled mode, a new oil outlet channel between the potential layer and the shaft is rebuilt by the potential layer in a mode of depth penetrating hole, and finally dredging and plugging removing are carried out by using acid liquor composed of 1.5-8% of hydrofluoric acid, 5-15% of hydrochloric acid, 2-5% of acetic acid and 1-2% of poly-quaternary amine. Average increased oil production of a single well after production recovery achieves more than 2.7 times, average effective rate is more than 90%, average valid period of the single well is more than 300 days, and average well stimulation cost of oil per ton reduces by more than 80%, so that the method has the advantages of being good in tapping potential effect, high in succeed rate, small in risk, long in period of validity and low in cost.
Owner:PETROCHINA CO LTD

Efficient high-yield cultivation method for cao apricots

InactiveCN103988742AGuaranteed growthGuaranteed replacement of old and newCultivating equipmentsMain branchGreenhouse
The invention relates to a cultivation method for apricots, in particular to an efficient high-yield cultivation method for cao apricots. According to the method, the yield is high, gains are got quickly, and the quality is good. The method comprises the following steps that farmyard manure and phosphate fertilizer are applied in a sunlight greenhouse in autumn of the year before field planting; strong biennial cao apricot seedlings pure in variety are selected and planted in the sunlight greenhouse in a field mode in the middle ten days of January of the current year; in late April of the field planting year, six to eight young sprouts are selected as main branches to be cultivated, and other sprouts are removed; soil fertilizer application is respectively carried out in early May and in early June of the field planting year once, leaf fertilizer is sprayed from July to August, and the farmyard manure is applied in middle ten days of September; the greenhouse is built in the middle ten days of November of the field planting year; flower thinning is not carried out during a flowering period in the next year of field planting, and fruit thinning is carried out at the time of half a month after flower drop; the temperature in the sunlight greenhouse rises to 25 DEG C to 30 DEG C during a fruit developing period in the next year of field planting; in April of the next year of field planting, fruit is mature, the picking period arrives, and nursery stocks are transplanted to the field outside the sunlight greenhouse to be cultivated after picking is finished.
Owner:田婧

Biological organic fertilizer with water-retention and drought-resisting functions and preparation method thereof

The invention relates to the technical field of agricultural biology and in particular relates to a biological organic fertilizer with water-retention and drought-resisting functions and a preparationmethod thereof. The biological organic fertilizer contains bacillus subtilis GE3; the preservation number of the bacillus subtilis GE3 is CGMCC (China General Microbiological Culture Collection Center) No. 11966. The strain not only has a relatively strong colonization capability in a drought environment, but also can be used for remarkably improving the survival rate of forest trees in the drought environment and promoting the growth of the forest trees. The water-retention and drought-resisting biological organic fertilizer provided by the invention takes a solid drought-resisting bacteriumagent containing the bacillus subtilis GE3 and fermented water-washed cow dung as main components and a small amount of a water-retention agent is added; all components have a mutual effect to extremely promote the growth of the forest trees in the drought environment, so that the drought stress resisting capability of the forest trees is improved and the survival rate of the forest trees in thedrought environment is improved.
Owner:SHANDONG FOREST SCI RES INST

Mobile communication switching method and system and base station

The invention discloses a mobile communication handoff method and system, base station thereof. The method comprises steps: based on the first link only bearing DCH service, increasing the second link for bearing DCH and E-DCH services; softer combining the DCH service of the first and the second links; carrying the DCH softer combining information which selects fields in different diversities in the RADIO LINK ADDITION FAILURE message and adding E-DCH service messages to notify a radio network controller. The invention can improve mobile communication handoff success rate to keep communication services continuously.
Owner:HUAWEI TECH CO LTD

Method for controlling rotation of continuous casting deburring machine

The invention discloses a method for controlling rotation of a casting blank deburring machine. The method includes that in the step of removing burrs on the lower edge of the head of a casting blank, a deburring roller on the head of the casting blank rotates in the direction opposite to the moving direction of the casting blank, and in the step of removing burrs on the lower edge of the tail portion of the casting blank, a deburring roller on the tail portion of the casting blank rotates in the direction the same as the moving direction of the casting blank. According to the method, the qualified rate of the casting blank is greatly improved, steel production quality is improved, labor maintenance amount can be reduced, and production expenses are reduced.
Owner:BEIJING ZHONGYUANTONG SCI & TECH

Base pile pitching type single-pile pile stabilizing frame and pile sinking method

PendingCN111139830AHigh positioning accuracyGuarantee the quality of pile sinkingBulkheads/pilesLap jointArchitectural engineering
The invention relates to a pile stabilizing platform, in particular to a base pile pitching type single-pile pile stabilizing frame. The base pile pitching type single-pile pile stabilizing frame comprises a pile stabilizing truss, and a plurality of pile stabilizing platforms are vertically arranged and mounted on the upper middle portion of the pile stabilizing truss. An anti-sinking plate is fixedly mounted on the lower portion of the pile stabilizing truss, and a pile holding mechanism is arranged on the front portion of a platform body. A plurality of single-pile guide mechanisms are annularly arranged in a pile feeding port in the circumferential direction. Each single-pile guide mechanism comprises a guide roller and a telescopic adjusting device for driving the guide roller to advance. The guide rollers are used for being in lap joint with a single pile to adjust the position of the single pile. The base pile pitching type single-pile pile stabilizing frame has the advantages of being stable and reliable in structure, high in positioning precision, convenient to adjust and control, high in perpendicularity adjusting precision and the like. The invention further discloses apile sinking method adopting the base pile pitching type single-pile pile stabilizing frame. According to the method, the vertical precision of single pile sinking is improved, the pile sinking time is saved, and the pile sinking efficiency is improved.
Owner:CCCC THIRD HARBOR ENG

Tension control method for leveling and winding unit

ActiveCN109940048AAvoid large jitterAvoid easy scratches and other problemsTension/compression control deviceStrip steelTension control
The invention discloses a tension control method for a leveling and winding unit, and the tension control method has two working modes: rewinding and leveling. According to the tension control method,stable and controllable tension of the unit in the tape threading and operating process is achieved, and the problems that strip steel shakes severely and is liable to scratch and the like are solved; and powerful support is provided for achieving automatic tape threading of the unit and improving the automation degree as well as the product quality and the finished product rate of hot-rolled strip steel.
Owner:ANHUI MA STEEL AUTOMATION INFORMATION TECH

Coupling monitoring method

The invention relates to a coupling monitoring method which comprises the following steps that: (1) specific light is input into a single-core optical fiber array; (2) the single-core optical fiber array, a chip and a multi-core optical fiber array are sequentially aligned; and (3) the coupling state is adjusted and judged by observing an optical instrument connected behind the multi-core optical fiber array. The coupling monitoring method has the advantages that the operation is simple and convenient, the alignment precision is improved, the finished product rate is fundamentally improved, and the coupling real-time monitoring effect can be achieved.
Owner:SUZHOU NEW DACHENG TECH DEV
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