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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 36. Отображено 36.
22-08-2023 дата публикации

Numerical calculation model method for curved surface of funnel area of funnel-shaped crystallizer of thin billet continuous casting machine

Номер: CN116628983A
Автор: ZENG JING, LI WUHONG, HE BO, WANG WENXUE, YAO CHENGGONG, WANG YONGHONG, WANG RONG
Принадлежит:

The invention provides a numerical calculation model method for a thin billet continuous casting machine funnel type crystallizer funnel area curved surface. Comprising the following steps: step 1, establishing a mathematical model; step 2, performing mathematical formula derivation; and 3, performing numerical calculation according to boundary conditions and known conditions, and drawing a required curve graph. According to the method, a funnel cross section profile schematic diagram, a funnel convexity curve schematic diagram, a funnel convexity curve diagram, a clothoid connection radius diagram in a funnel cross section profile, a length diagram of the funnel cross section profile curve, a funnel self-taper diagram and an ideal funnel curved surface are sequentially calculated and drawn through a model, and the method comprises the steps of drawing a funnel cross section profile schematic diagram, drawing a funnel convexity curve diagram and drawing a clothoid connection radius diagram ...

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Номер записи: 1
14-05-2020 дата публикации

INTERVAL POWER FLOW CALCULATION METHOD FOR POWER-HEAT INTEGRATED ENERGY SYSTEM

Номер: WO2020093296A1
Автор: TENG, Xianliang, DU, Gang, WU, Shiqiang, WANG, Wenxue, WEI, Zhinong, SUN, Guoqiang, ZANG, Haixiang, CHEN, Sheng
Принадлежит:

Disclosed in the present invention is an interval power flow calculation method for a power-heat integrated energy system, comprising: (1) obtaining power-heat integrated energy system information, and establishing a power-heat integrated energy system model according to the information; (2) converting a pipe pressure drop equation in the system model into a one-variable quadratic function of a flow rate m; (3) obtaining the iterative initial value of a state variable by calculation according to the power-heat integrated energy system model; (4) iteratively solving the upper and lower limits of the state variable by using a linear optimization method according to the iterative initial value of the state variable and the one-variable quadratic function of the flow rate m; and (5) forming the upper and lower limits of the state variable into an interval, and outputting the interval as a power flow solution. The present invention has small calculation complexity and overcomes the conservatism ...

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Номер записи: 2
23-06-2023 дата публикации

Continuous casting automatic casting control method based on deep reinforcement learning

Номер: CN116274925A
Автор: GAO QI, HE BO, WANG WENXUE, JIANG WENZE, KANG HONGJIA, LIAN TIANLONG, CHEN ZHENG, ZHANG RUI, MI JINZHOU, ZHONG LIWEN
Принадлежит:

The invention belongs to the technical field of metallurgical machinery and automation, and discloses a continuous steel casting automatic casting control method based on deep reinforcement learning, which comprises the following steps of: 1, establishing a crystallizer simulation model; step 2, according to the crystallizer simulation model, based on a Markov decision process, establishing an automatic casting control model of the crystallizer; and 3, training a stopper learning control strategy by using a TD3 algorithm according to the automatic casting control model of the crystallizer. The manufacturing method has the characteristics of self-learning and high precision, can adapt to technological parameters such as various steel types and pouring sections, and improves the intelligent level of continuous casting production.

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Номер записи: 3
26-05-2023 дата публикации

Open caisson structure sinking through vibration

Номер: CN116163328A
Автор: ZHANG JINLONG, CHENG HAO, QI HAO, CUI QIANG, DING SHIJUN, WANG YUAN, CAO WEI, WANG WENXUE
Принадлежит:

The invention provides an open caisson structure which comprises a first open caisson section, a tail open caisson section and at least one middle open caisson section, the middle open caisson sections are sequentially and continuously butted between the first open caisson section and the tail open caisson section, and the first open caisson section, the tail open caisson section and the middle open caisson sections form a vertical through pipe with the same inner diameter and the same outer diameter, and the vertical through pipe sinks into soil; the vertical through pipe is provided with a vertical central main axis and a plurality of vertical through holes which are inserted into the pipe wall in the direction of the central main axis, and the vertical through holes are uniformly distributed around the vertical central main axis; the grouting holes radially penetrate through the wall thickness of the first open caisson section and are communicated with the vertical through hole.

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Номер записи: 4
30-05-2023 дата публикации

Grouting material plugging device for reinforcing steel bar grouting joint

Номер: CN116180987A
Автор: YANG XIAOCHENG, ZHAO YUNFEI, LI QIUSHI, WANG WENXUE, HE JINGXUE, ZHANG SHUGUANG, CHEN HONGXIANG, TANG JINHUI, CHEN SENSEN
Принадлежит:

The grouting material plugging device is characterized in that the plugging device comprises a sealing plate, a plugging column and a rubber sleeve, and the end face of the first end of the plugging column is fixedly connected with the first side face of the sealing plate; the rubber sleeve is arranged on the plugging column in a sleeving mode and connected with the plugging column through the locking assembly. The locking assembly comprises a locking block and a driving assembly, a mounting groove is formed in the outer side face of the plugging column, a locking groove corresponding to the mounting groove is formed in the inner side face of the rubber sleeve, and the locking block is arranged in the mounting groove and moves into the locking groove during locking; the driving assembly is arranged in the mounting groove, and the driving assembly is fixedly connected with the locking block and drives the locking block to move into the locking groove; the rubber sleeve and the plugging column ...

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Номер записи: 5
15-08-2023 дата публикации

Impermeable material based on lacustrine facies deposition silt and preparation method thereof

Номер: CN116589234A
Автор: CHE WEIBIN, XIONG LIANG, LI QIUSHI, JIANG WANHONG, XUE KAI, WANG WENXUE, TAN XIAOJUN, LIU RUI
Принадлежит:

The invention discloses an impervious material based on lacustrine facies deposition silt and a preparation method of the impervious material, and belongs to the field of water conservancy and hydropower engineering. The brick is mainly prepared from the following raw materials in parts by weight: 48 to 54 parts of lacustrine facies deposition silt, 40 to 45 parts of gneiss gravel and 5 to 15 parts of modified bentonite. According to the impervious material based on the lacustrine facies deposition silt, the gneiss gravel material serves as a gravel-doped component of the impervious material, is a supporting framework of the impervious material and is high in particle strength, so that the shear strength and the deformation modulus are increased, and shrinkage is reduced; the bentonite is modified to improve the adsorption and water absorption capacity, and the shear strength of the anti-seepage material is improved. The anti-seepage material disclosed by the invention has high compressibility ...

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Номер записи: 6
29-08-2023 дата публикации

Gel card automatic detection and loading equipment

Номер: CN116654521A
Автор: LI DONG, LI CHEN, WANG WENXUE, GONG XUN, XU JIAN, ZHENG YANBIN, TAN DAJUN
Принадлежит:

The invention discloses automatic gel card detection and loading equipment, and belongs to the technical field of medical equipment. According to the automatic detection and loading equipment for the gel card, the gel card can be accurately loaded into the comb plate. The device comprises a mechanical arm rotating column, a mechanical arm, a workbench, a supporting frame below the workbench, a full box gel card conveying belt and an empty box conveying belt, and further comprises an air pressure conveying mechanism, an air cylinder mechanism, a gel card box conveying mechanism and a gel card boxing mechanism connected with the mechanical arm. The air pressure conveying mechanism is composed of an identification card air pressure conveying part and an identification card poor quality discharging part, and all parts of the identification card air pressure conveying part correspond to all parts of the identification card poor quality discharging part. A comb plate operation mechanism is fixedly ...

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Номер записи: 7
16-05-2023 дата публикации

Plate blank fan-shaped section three-section free roller, cooling system and cooling method

Номер: CN116117092A
Автор: WANG RONG, WANG WENXUE, ZHOU SHIKAI, ZHANG RUI, CHEN ZHENG
Принадлежит:

The invention belongs to the technical field of metallurgical equipment, and particularly relates to a slab fan-shaped section three-section free roller, a cooling system and a cooling method. The free roller cooling device is organically formed by assembling a first bearing mechanism, a second bearing mechanism, four shafts, three roller sleeves, two water rings and two water-cooling split bearing seats, a communicating water path is arranged between the first bearing mechanism and the second bearing mechanism, and the free roller is cooled from the inside; the first bearing mechanism, the second bearing mechanism and the two water-cooling split bearing seat assemblies are provided with independent circulating water paths which are used for cooling the first bearing mechanism, the second bearing mechanism and the two water-cooling split bearing seat assemblies. Through the cooperation of the cooling water system, the water return system and the secondary cooling water spraying system outside ...

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Номер записи: 8
22-08-2023 дата публикации

Climbing type slab continuous casting machine transverse moving trolley

Номер: CN116618596A
Автор: LI WUHONG, WANG WENXUE, HE BO, ZHANG XIFENG, YAO CHENGGONG, TIAN CHUAN, LIANG LONG
Принадлежит:

The invention relates to a climbing type slab continuous casting machine transverse moving trolley which comprises a trolley frame, a plurality of roller assemblies and an anti-skid assembly, the roller assemblies are installed on the trolley frame, the roller assemblies are sequentially and evenly arranged in the length direction of a trolley frame body, and the height of the roller assemblies is gradually increased in the blank discharging direction; an anti-skid assembly is arranged at one end, far away from the blank ejection direction, of the frame; the moving assembly is installed at the bottom of the frame and can do reciprocating motion on the track in the body width direction of the frame. On the premise that the ejection rate is not affected, the problem that the height difference exists between the ejection roller surface and the hot conveying roller surface is perfectly solved, and the phenomena that when a lifting device is additionally arranged, the equipment weight is large ...

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Номер записи: 9
27-06-2023 дата публикации

Hydraulic control bending section turnover device

Номер: CN116331790A
Автор: LI QINYONG, WANG WENXUE, WANG XIAOPENG, LEI HUA, HE BO, TU JIAJIA
Принадлежит:

The invention relates to the field of metal casting blanks, and discloses a hydraulic control bending section turnover device which comprises two hydraulic cylinders, the head of one hydraulic cylinder is hinged to a left turnover arm, the head of the other hydraulic cylinder is hinged to a right turnover arm, and the left turnover arm and the right turnover arm are connected through a cross beam. The bending section turnover device which is hydraulically controlled, rapid, simple, safe and reliable is provided for a slab continuous casting production off-line maintenance workshop, and turnover switching of the bending section between a vertical station and a horizontal station is achieved by driving the hydraulic cylinder to retract and stretch out.

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Номер записи: 10
07-07-2023 дата публикации

Partition electric energy quality optimization load regulation and control method and system

Номер: CN116404662A
Автор: WANG XINMING, LI SHIHUI, MA BIN, ZHANG FEIFEI, ZHANG XUEWEI, JIA XIAOBU, LI SHAOBO, FENG HUIBO, WANG WENXUE, SU YUJING
Принадлежит:

The invention relates to the technical field of load regulation and control, in particular to a partition electric energy quality optimization load regulation and control method and system. The scheme comprises the following steps: setting a plurality of partitions in a to-be-detected power grid, and starting real-time electric energy quality detection on each partition to obtain a monitoring data group; extracting the monitoring data set to calculate a power detection data set; extracting the monitoring data set to calculate a voltage detection data set; extracting the monitoring data set and calculating a frequency detection data set; obtaining an optimal control conversion matrix on line according to the power detection data set, the voltage detection data set and the frequency detection data set; and automatically starting the switching of the control strategy according to the optimal control conversion matrix. According to the scheme, optimal matrix parameters are analyzed in real ...

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Номер записи: 11
22-08-2023 дата публикации

Seven-roller large-reduction fan-shaped section for continuous casting of extra-thick plate

Номер: CN116618595A
Автор: LI WUHONG, HE BO, WANG WENXUE, ZENG JING, LIU HONG, ZHANG YULIN, MA YUTANG
Принадлежит:

The invention provides an extra-thick plate continuous casting seven-roller large pressing fan-shaped section which comprises a control system, an upper frame, a lower frame, a clamping oil cylinder, a free roller assembly, a driving roller assembly, a pressing oil cylinder and a movable beam, the upper frame and the lower frame are hinged through an inlet side guide rod and an outlet side guide rod, the clamping oil cylinder is installed on the upper frame, and the pressing oil cylinder is installed on the lower frame. The clamping oil cylinders are symmetrically installed on the inlet side and the outlet side, the pressing oil cylinder is installed on the upper frame through a supporting steel plate, and the movable end of the pressing oil cylinder is connected with the movable beam. The driving roller is connected with the movable beam, a displacement sensor is installed on the clamping oil cylinder, and the clamping oil cylinder and the displacement sensor are both in electric signal ...

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Номер записи: 12
23-06-2023 дата публикации

Vibration unit based on electromagnetic driving and plate spring guiding

Номер: CN116274901A
Автор: ZHANG RUI, HE BO, WANG WENXUE, ZHOU SHIKAI, ZHANG JIQIANG, CHEN ZHENG
Принадлежит:

The invention belongs to the technical field of metallurgical continuous casting equipment, and discloses a vibration unit based on electromagnetic driving and plate spring guiding, which comprises a fixed table, a vibration table, a guide plate spring device, a displacement sensor for detecting the relative position between the fixed table and the vibration table, and a control system, the vibration table is of a T-shaped frame structure, the fixed table is connected with the vibration table through four sets of guide plate spring devices, the fixed table is provided with a stator, the vibration table is provided with a rotor, the displacement sensor is connected with the control system, and the control system adjusts exciting current according to a result fed back by the displacement sensor to achieve vibration control over the vibration table. Electromagnetic force driving and plate spring guiding are combined, the problem of abrasion of several mainstream vibration units in the using ...

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Номер записи: 13
07-06-2012 дата публикации

METHOD AND APPARATUS FOR PROTOCOL IDENTIFICATION

Номер: WO2012071854A1
Автор: WANG, Wenxue, HUANG, Jiaxing
Принадлежит:

The invention discloses a method and an apparatus for protocol identification. The method for protocol identification includes the following steps: obtaining the performance index of protocol characteristic information according to the characteristic condition of the protocol characteristic information; counting the identification probability of the protocol characteristic information, adopted by deep packet inspection, in a preset statistical strategy according to an identification result of the deep packet inspection; determining optimization sequences of all the protocol characteristic information in a deep packet inspection identification database according to the performance index and the identification probability of the protocol characteristic information; and performing protocol identification for a received message according to the optimization sequences. The embodiments of the invention can determine the optimization sequences of protocol identification according to the identification ...

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Номер записи: 14
14-05-2020 дата публикации

MULTI-PERIOD POWER FLOW OPTIMIZATION METHOD FOR ELECTRICITY-GAS INTERCONNECTION INTEGRATED ENERGY SYSTEM

Номер: WO2020093295A1
Автор: TENG, Xianliang, DU, Gang, WU, Shiqiang, CHEN, Sheng, WEI, Zhinong, SUN, Guoqiang, ZANG, Haixiang, WANG, Wenxue
Принадлежит:

Disclosed in the present invention is a multi-period power flow optimization method for an electricity-gas interconnection integrated energy system, said method comprising: (1) acquiring electricity-gas interconnection integrated energy system information; (2) according to said system information, constructing a multi-period scheduling model of an electricity-gas interconnection integrated energy system; (3) converting a non-linear non-convex equation of the natural gas pipe flow and pressure in the multi-period scheduling model of the electricity-gas interconnection integrated energy system into a natural gas power flow model in the form of enhanced second-order cone constraints; (4) calculating the converted multi-period scheduling model of the electricity-gas interconnection integrated energy system, so as to obtain an optimal solution; (5) using the optimal solution as an initial value, and using a DCP method to perform linearization iteration calculation on the converted multi-period ...

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Номер записи: 15
06-07-2016 дата публикации

Blackboard eraser is with trembling grey device

Номер: CN0205364957U
Автор: WANG WENXUE, LIU XUMING, WU YU
Принадлежит:

... 本实用新型提供一种黑板擦用抖灰装置，包括底座、通断控制电机、金属臂、电池盒、粉尘收集盒、弹簧、电磁铁、金属柱和活动板，所述底座上有一对导轨，所述粉尘收集盒下方卡在两个导轨之间，所述底座的四个角的上方各有一个电磁铁，所述电磁铁外套有弹簧，所述活动板的四个角的下方有金属柱，所述金属柱套装在对应的弹簧内，所述底座两侧的槽内有通断控制电机和电池盒，所述电池盒通过连接线与通断控制电机和电磁铁相连，所述通断控制电机的转轴上有金属臂，所述金属臂旋转至上方后与电磁铁的触点相接触。本实用新型提供一种黑板擦用抖灰装置，可快速对多个黑板擦进行抖灰处理，处理后粉尘不会落在外面不会对人体造成伤害。 ...

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Номер записи: 16
08-08-2023 дата публикации

Efficient installation and measurement method for fan-shaped section foundation frame of wide and thick slab continuous casting machine

Номер: CN116550943A
Автор: LIU HONG, WANG WENXUE, YANG CHAOWU, LI QINYONG
Принадлежит:

The invention belongs to the technical field of field installation, adjustment and measurement of mechanical equipment, and particularly relates to an efficient installation and measurement method for a fan-shaped section foundation frame of a wide and thick slab continuous casting machine. According to the invention, a total station and a spatial arbitrary reference axis measuring and positioning device are adopted to measure a first measuring axis and measure and position a second measuring axis on the fan-shaped section foundation frame respectively, so that the fan-shaped section foundation frame is positioned in the height direction and the casting flow direction; and in addition, the total station and the spatial arbitrary reference surface measuring and positioning device are adopted to test and adjust the mounting reference surface on the fan-shaped section foundation frame, so that the fan-shaped section foundation frame of the slab continuous casting machine can be quickly and ...

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Номер записи: 17
29-06-2016 дата публикации

High -efficient static blackboard eraser

Номер: CN0205344263U
Автор: WANG WENXUE, LIU XUMING, JIANG JING, YANG LILI
Принадлежит:

... 一种高效静电黑板擦，本申请壳体内有绝缘胶体密封的带电导体和4个转轴，绝缘胶体密封的带电导体在4个转轴之间，挡灰带套在4个转轴外，挡灰带内有绝缘胶体密封的带电导体，转轴从壳体两侧伸出，转轴端部有旋钮，壳体的前端和后端内有至少两排进灰孔，每排进灰孔有至少2个孔，壳体的底端有排灰槽，排灰槽中部安装有刮刀，刮刀的刀刃与挡灰带下方接触，壳体的底端有一对导轨，集灰盒上端卡装在两个导轨之间。本实用新型提供一种高效静电黑板擦，本实用新型黑板擦的双面都可以擦，它的核心技术是利用带电导体对微小物体具有吸附作用的原理，壳体内部为一被绝缘胶体密封的带电导体，通过绝缘胶体密封导体内的电荷，就可以持续的具有高效吸附功能。 ...

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Номер записи: 18
18-04-2023 дата публикации

Film cooling device

Номер: CN115972428A
Автор: WANG JIANJUN, LI LUYAN, SHEN DAWEI, WANG WENXUE, XUN HONGTAO, GONG HANLIN
Принадлежит:

The invention discloses a film cooling device which comprises a water tank, a water circulation pipeline temperature control structure, an automatic water replenishing structure and a separant tank, conveying structures are arranged in the water tank and the separant tank to convey rubber sheets; the water circulation pipeline temperature control structure comprises a circulating water pump and a heat exchanger, the heat exchanger cools water liquid in the water tank through external cooling water, and the water circulation pipeline temperature control structure is used for maintaining the temperature of the water liquid in the water tank to be constant; the automatic water supplementing structure is arranged on the water tank so as to adjust the liquid level height in the water tank. The film cooling device is utilized to achieve the effects of reducing smoke, reducing temperature and saving energy, so that films meet process requirements, automatic operation of the device is achieved, ...

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Номер записи: 19
04-04-2023 дата публикации

Multi-degree-of-freedom thumb-assisted soft rehabilitation exoskeleton robot

Номер: CN115887170A
Автор: LIU LIANQING, CHEN WENYUAN, LI GUANGYONG, LI NING, WANG WENXUE, YU PENG
Принадлежит:

The invention relates to medical rehabilitation training and assisting equipment, in particular to a multi-degree-of-freedom thumb-assisted soft rehabilitation exoskeleton robot which comprises a soft exoskeleton glove, a tendon tension line, a flexible connecting rod, a driving device and a control system. The other end of the thumb is connected with the soft exoskeleton glove and is used for driving two degrees of freedom of abduction/adduction and bending/extension of the thumb; one end of the flexible connecting rod is hinged to the thumb fingerstall, the other end of the flexible connecting rod is hinged to the hand back structural part, and the flexible connecting rod moves along the sliding groove through contraction of the tendon tension line so as to drive adduction and abduction movement of the thumb; the tendon tension line is connected with the back side of the thumb to drive the thumb to stretch, and the other tension line is connected with the palm side of the thumb to drive ...

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Номер записи: 20
23-06-2023 дата публикации

Automatic machining equipment and method for bearing bush oil line

Номер: CN116276170A
Автор: ZHAO HONGWEI, QIN LIMING, ZHAI WEIGANG, BIAN YUEWEN, ZHANG SONGJIE, WANG WENXUE
Принадлежит:

According to the automatic machining equipment for the bearing bush oil line, half bearing bushes which are in butt joint to form a cylindrical shape at the feeding position are transferred to a round half bearing bush splicing station switching assembly through a round half bearing bush splicing transferring assembly, and then the half bearing bushes are transferred to a positioning conical disc at the upper end of an oil line machining mechanism through the round half bearing bush splicing station switching assembly; the linear driving piece drives the feed lever movable seat to move up and down, and the feed lever movable seat moves up and down to drive the transmission sleeve adapter to move up and down; up-down movement of the transmission sleeve adapter is converted into self-rotation movement of the cutter bar shaft body through the cutter bar shaft cam sleeve and the transmission sleeve roller shaft; the self-rotation motion of the cutter bar shaft body enables the carried bearing ...

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Номер записи: 21
02-05-2023 дата публикации

Magnesium-aluminum dry material for continuous casting tundish

Номер: CN116041048A
Автор: WANG WENXUE, ZHANG HOUXING, ZHANG LIANJIN, CHEN YONGQIANG, ZHAO PENG, MA YULONG, YU LINGYUE, SONG LIKUAN, ZHAO ZHONGXUAN, WANG RUI, WANG WENHUAN
Принадлежит:

The invention relates to the technical field of refractory materials, in particular to a magnesium-aluminum dry material for a continuous casting tundish, and aims to solve the problems of short service life of the tundish, high consumption of the refractory materials, pollution to molten steel caused by erosion of the refractory materials, high energy consumption in a steelmaking process, low permeability resistance and low scouring resistance and the like in the prior art. Comprising the following components in parts by mass: 40-90 parts of magnesia, 3-40 parts of bauxite clinker, 3-30 parts of corundum and 0.2-2 parts of titanium dioxide. The magnesium-aluminum dry material is used for the continuous casting tundish working lining, the service life of the continuous casting tundish working lining can be prolonged, pollution to molten steel caused by erosion of a refractory material is reduced, energy consumption in the steelmaking process is reduced, and the defects that a traditional ...

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Номер записи: 22
14-07-2023 дата публикации

Multilayer coal goaf dangerous coal seam identification and stability evaluation method and system

Номер: CN116433002A
Автор: LIANG YANKUN, ZHANG CHAOLI, JIANG TONG, WANG WENXUE, JIA MINGHUI, MA SHUANG
Принадлежит:

The invention discloses a multi-layer coal goaf dangerous coal seam identification and stability evaluation method and system, and the method comprises the following steps: S10, determining a plurality of indexes as stability evaluation factors based on three evaluation criteria: a goaf criterion, a geological criterion and a residual deformation criterion, and dividing the stability classification domain value of each factor for a single coal seam; s20, acquiring a data matrix about evaluation factors of the goaf to be evaluated, and constructing a standardized matrix; s30, a coupling entropy weight method and a covariance analytic hierarchy process are adopted, and a game theory principle is combined to calculate a comprehensive weight matrix of evaluation factors; s40, determining the stability level of each single coal seam by adopting an approximate ideal solution sorting method; and S50, dividing the overall stability of the goaf by using a GIS platform.

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Номер записи: 23
16-05-2023 дата публикации

Compact dummy bar collecting and conveying system and collecting and conveying method

Номер: CN116117089A
Автор: WANG WENXUE, LEI HUA, YANG CHAOWU, XUE SONG, HUO YUEQIN, NING BO, LIN WEI
Принадлежит:

The invention belongs to the technical field of metal casting blank manufacturing, and particularly relates to a compact dummy bar collecting and conveying system and method. The device at least comprises a roller way system, a lifting mechanism, a hydraulic cylinder, a transfer trolley mechanism, a limiting device, a dummy bar and a chain transmission mechanism, wherein the roller way system is composed of a roller way and a plurality of rotating rollers. Through the organic cooperation of the roller way system, the lifting mechanism, the hydraulic cylinder, the transfer trolley mechanism, the limiting device, the dummy bar and the chain transmission mechanism, the rapid and safe receiving and conveying function of the dummy bar is achieved. According to the dummy bar conveying device, the dummy bar conveying height and the dummy bar conveying distance space can be effectively reduced, the occupied area is greatly reduced, the use space of a production workshop is enlarged, the conveying ...

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Номер записи: 24
25-08-2023 дата публикации

Water meter dial number identification method and system

Номер: CN116645682A
Автор: GAO ZHIFENG, LI BIN, WANG XIAOJIA, DU YIFEI, ZHANG WEIHAO, YU WEIGUO, WANG WENCHUN, WANG WENXUE, CHEN GANG, CHEN YIBO, LI BO
Принадлежит:

The invention relates to the technical field of water meter dial digital automatic identification, and provides a water meter dial digital identification method and system. The method comprises the following steps: performing row cutting and column cutting on an obtained water meter picture to obtain a dial digital image area; segmenting the dial digital image region to obtain a plurality of sub-regions; storing two adjacent pixel points in each sub-region into one byte to obtain a compressed sub-region; carrying out vectorization processing on each row of pixels of the compressed sub-region, and continuously iterating in a manner of covering a front vector by a rear vector to obtain a processed sub-region; and performing binarization processing on the processed sub-regions according to the determined optimal threshold value of binarization of the sub-regions, matching the sub-regions subjected to binarization processing with a preset template, and identifying the number of the water meter ...

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Номер записи: 25
04-04-2023 дата публикации

Movable electromagnetic bale roughing slag detection system and detection method

Номер: CN115889707A
Автор: GAO QI, HE BO, WANG WENXUE, SHI XUELIANG, CHEN ZHENG
Принадлежит:

The invention provides a movable electromagnetic type large ladle roughing slag detection system and a detection method. A pneumatic telescopic mechanism is arranged at the long nozzle (5) of the large ladle (1) and the middle ladle (2); the pneumatic telescopic mechanism comprises a sensor (6), a swing telescopic operation arm (9) and an air cylinder, and the sensor (6) is installed on the swing operation arm (9) and connected with the industrial personal computer (8) through a control line. The invention further relates to a detection method of the system. According to the invention, the pneumatic telescopic mechanism is utilized to realize that the electromagnetic sensor is moved to the long nozzle through the swinging operation arm (9) to sleeve the long nozzle of the large ladle for signal detection at the last stage of pouring of the large ladle, and the electromagnetic sensor automatically returns to the initial position after detection is finished. According to the mode, the detection ...

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Номер записи: 26
22-06-2016 дата публикации

Prevent orifice device and drilling rig

Номер: CN0205330600U
Автор: WANG SHIYONG, WANG WENXUE, TAO HONGKUI
Принадлежит:

... 本实用新型涉及煤层瓦斯防喷孔技术领域，尤其是涉及一种防喷孔装置及钻井装置，包括：防喷孔箱、抽排机构以及第一抽排管；防喷孔箱上相对地设置有钻杆孔和收集孔；第一抽排管的一端与防喷孔箱连通，另一端与抽排机构连通；收集孔用于与钻孔连通，钻杆孔用于穿设钻杆；抽排机构用于将防喷孔箱内的瓦斯抽排至预设位置。本实用新型提供的防喷孔装置，通过防喷孔箱和抽排机构将钻孔内的瓦斯抽排出，从而避免瓦斯从钻孔内喷出造成钻井内瓦斯超标，危害使用者人身健康。 ...

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Номер записи: 27
07-04-2023 дата публикации

Method for testing cohesive force and internal friction angle of rock-like material

Номер: CN115931487A
Автор: WANG WENXUE, KANG HEUNG-KI, XU HAIFENG, SU LINGYU, NIE TIANYU, XUE JINGYUAN, XU JIAQIANG, ZHANG RUOCHEN, JIN JIAMING
Принадлежит:

The invention discloses a method for testing cohesive force and internal friction angle of a rock-like material, and belongs to the technical field of rock mechanical parameter determination. Comprising the following steps: manufacturing a through single-fracture rock mass model with a cuboid structure, and respectively designing through fracture samples with four different fracture inclination angles of 60 degrees, 72 degrees, 77 degrees and 90 degrees to carry out a test; the method comprises the following steps: preparing a through crack sample from a rock-like material by adopting a crack sample mold, carrying out a compression-shear test by adopting a uniaxial compression testing machine, and fitting to obtain the cohesive force and the internal friction angle by converting the principal stress and the tangential stress of a shear failure surface according to recorded axial loads on different samples. According to the method, cut-through fracture samples with different angles are prepared ...

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Номер записи: 28
16-05-2023 дата публикации

Arrangement method of ultra-wide stainless steel solidification and forming guide system

Номер: CN116117091A
Автор: LEI HUA, YANG LADAO, ZENG JING, WANG WENXUE
Принадлежит:

The invention belongs to the technical field of metal ingot casting, and particularly relates to an arrangement method of an ultra-wide stainless steel solidification and forming guide system. The device at least comprises two parts, namely a solidification former and a shaping guider, and the solidification former is fixedly connected to the top of the curved shaping guider. According to the invention, after molten stainless steel starts to solidify from the solidification former to form a shell, under the condition that the shell is filled with unsolidified molten steel, the shell can be solidified and shaped, proceeds along a curve channel while being solidified, and finally, the production target of full solidification and continuous delivery is achieved. Stainless steel moves along a continuous and smooth composite curve track composed of the vertical direction, the bending direction, the arc direction, the straight direction and the horizontal plane in the process from the liquid ...

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Номер записи: 29
12-09-2017 дата публикации

A process for producing dimethyl ether [...] DMM3 - 5 device and method

Номер: CN0105622366B
Автор: 毛进池, 刘文飞, 郭为磊, 王文学
Принадлежит:

... 本发明公开了种生产聚甲氧基二甲醚DMM3‑5的装置及方法，以两法制取的含有甲醛的气相产物作为起始原料，不经过吸收塔，即不制备成水溶液，而是自甲醇氧化反应器的出口排出，经换热、精脱水后，通入到具有气相萃取、液相催化、液相蒸馏于体的萃取催化蒸馏塔中进行缩聚反应，步完成缩聚反应和分馏等工艺过程，简化了原有冗长的流程。本发明方法创造了新的制备聚甲氧基二甲醚的技术路线；与现有工艺技术相比，省去了大量设备、管线、内件设施；优化了工艺流程；节省了投资、降低了生产成本；最大化的节能减排；为大型化、连续化、集约化生产打下了坚实基础。 ...

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Номер записи: 30
04-04-2023 дата публикации

Mining energy-saving cooling tower

Номер: CN115900413A
Автор: LI YANFU, LIU YU, WANG WENXUE, MAO QIANYU, LI BAOCUN, MENG XIANGJUN, TAI WEIWEI, WANG GANG, HOU JUNWEI, BAI XUE, YOU JIANXIANG, LI ZHENG, WANG CHENGLONG
Принадлежит:

The invention relates to the technical field of cooling towers, in particular to a mining energy-saving cooling tower which comprises a bearing mechanism, a plurality of axially-distributed primary cooling mechanisms are arranged in the bearing mechanism, an inlet direction conversion mechanism is arranged at the upper end of the bearing mechanism, and an outlet direction conversion mechanism is arranged at the lower end of the bearing mechanism. A first-stage cooling mechanism is installed on the bearing mechanism, a second-stage cooling mechanism is installed on the bearing mechanism, a third-stage cooling mechanism is installed on the outer side of the bearing mechanism, and the first-stage cooling mechanism comprises a surrounding cylinder which is located in the bearing mechanism. Constant-temperature drinking water flows through the interior of the bearing mechanism, so that circulating oil liquid is cooled, flowing of the constant-temperature drinking water is effectively utilized ...

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Номер записи: 31
14-07-2023 дата публикации

Seven-roller large-reduction fan-shaped section control model for continuous casting of extra-thick plate

Номер: CN116422852A
Автор: LI WUHONG, HE BO, WANG WENXUE, ZENG JING, LIU HONG, MA YUTANG
Принадлежит:

The invention relates to an extra-thick plate continuous casting seven-roller large reduction fan-shaped section control model which comprises a control system, an upper frame, a lower frame, an outer arc free roller, an inner arc free roller, a clamping oil cylinder, a connecting assembly and a sensor. The control system can calculate the rolling reduction and the rolling reduction rate of the clamping oil cylinders on the inlet and outlet side and the outlet side according to the original expansion and contraction amount of the pistons of the clamping oil cylinders, the length of the second connecting rod and the distance between the clamping oil cylinder on the inlet side and the clamping oil cylinder on the outlet side. And then the extending or retracting stroke of pistons of the clamping oil cylinders on the inlet side and the outlet side is controlled, so that the opening degree of the inlet and the outlet of the fan-shaped section is accurately controlled, the center segregation ...

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Номер записи: 32
21-07-2023 дата публикации

Fall detection method, system and device based on double-flow feature extraction and medium

Номер: CN116469132A
Автор: LI JIANGJIAO, YU WEIGUO, WANG WENCHUN, LI BIN, WANG WENXUE, CHEN GANG, CHEN YIBO, LI BO
Принадлежит:

The invention discloses a tumble detection method, system and device based on double-flow feature extraction and a medium, and relates to the technical field of image processing and specific calculation models, and the method comprises the steps: obtaining a to-be-detected image; performing multi-stage residual processing on the to-be-detected image to obtain a plurality of corresponding convolutional local feature maps, and performing regional attention feature extraction on the convolutional local feature map obtained after the last-stage residual processing to obtain an attention local feature map; the method comprises the following steps: partitioning an image to be detected, embedding position codes, and performing self-encoding and convolution operation on obtained image blocks to obtain a global feature map; and after feature fusion is carried out on the convolution local feature map, the attention local feature map and the global feature map, fall detection is carried out according ...

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Номер записи: 33
27-06-2023 дата публикации

Antitumor drug efficacy evaluation device based on engineered tumor cells and application of antitumor drug efficacy evaluation device

Номер: CN116338118A
Автор: LIU LIANQING, YANG JIA, WANG WENXUE, YU PENG, ZU LIPENG
Принадлежит:

The invention discloses an antitumor drug efficacy evaluation device based on engineered tumor cells and application thereof, and belongs to the technical field of biosensing and bio-electricity signal detection devices. The device comprises a cell culture groove, a biocompatible conducting channel material, a pair of metal electrodes and a substrate, the substrate is of a rectangular layered structure, the pair of metal electrodes are arranged on the two opposite sides of the upper surface of the substrate, the middle rectangular area of the upper surface of the substrate is provided with the biocompatible conducting channel material layer, and the two opposite sides of the conducting channel material layer are each in contact with one metal electrode. The upper surface of the biocompatible conductive channel material is provided with a cell culture groove. The device adopts engineered tumor cells as a biosensing element, and the biosensing element and a conductive channel material can ...

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Номер записи: 34
22-08-2023 дата публикации

Method for modeling funnel type crystallizer cavity of thin slab continuous casting machine

Номер: CN116628879A
Автор: LI WUHONG, HE BO, WANG WENXUE, ZENG JING, YAO CHENGGONG, WANG YONGHONG
Принадлежит:

The invention provides a method for modeling a funnel type crystallizer cavity of a thin slab continuous casting machine. The method comprises the following steps: step 1, establishing a mathematical model; step 2, performing mathematical formula derivation; and 3, performing numerical calculation according to boundary conditions and known conditions, and drawing a required curve graph. The invention develops a thin slab continuous casting machine funnel type crystallizer cavity model method, which comprises the following steps: firstly, establishing a mathematical model for the shape of a funnel type crystallizer cavity, and through theoretical formula derivation and numerical calculation, adopting a sixth power curve as a funnel convexity fitting curve, a funnel area equipotential graph, a funnel cavity curved surface graph, a funnel convexity graph, a connecting arc radius graph, a connecting arc curvature graph, a funnel curve length graph, a funnel local taper graph and a difference ...

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Номер записи: 35
12-05-2023 дата публикации

Fan-shaped section three-section driving roller for pouring stainless steel plate blank, cooling system and method

Номер: CN116099995A
Автор: ZHOU SHIKAI, LI QINYONG, WANG WENXUE, WANG RONG, ZHANG RUI, CHEN ZHENG
Принадлежит:

The invention belongs to the technical field of stainless steel plate blank continuous casting machine equipment, and particularly relates to a fan-shaped section three-section driving roller for pouring a stainless steel plate blank, a cooling system and a method. The device is organically composed of a first bearing mechanism, a first shaft, a water pipe, a first roller sleeve, a second shaft, two split bearing seat assemblies, a second roller sleeve, a third shaft, a third roller sleeve, a fourth shaft, a second bearing mechanism, a driving sleeve, a shaft cover and a driving connecting shaft. A communicated water path is arranged among the first bearing mechanism, the water pipe, the first shaft, the second shaft and the fourth shaft and is used for cooling the interior of the driving roller; the first bearing mechanism, the second bearing mechanism and the two split bearing seat assemblies are provided with independent circulating water paths used for cooling the first bearing mechanism ...

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Номер записи: 36