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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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Форма поиска

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 22. Отображено 22.
30-06-2023 дата публикации

Method for paving and reinforcing old bridge box girder wing plates during bridge deck widening

Номер: CN116356724A
Автор: SUN XUEPENG, ZHANG YAN, REN DONGYA, XIAO ZHIQIANG, AI JIA, LI DIANDIAN, DAI HAIBIN, ZHOU LIJIE, YAO XIAOKANG, SU SHAONAN, ZHANG AONAN, AI CHANGFA
Принадлежит:

The invention discloses a method for paving and reinforcing a wing plate of an old bridge box girder during bridge deck widening. The method comprises the following steps: prefabricating a reinforcing steel member for reinforcing the old bridge box girder; marking the positions of internal steel bars on a wing plate and a web plate of the old bridge box girder; the reinforcing steel member is fixedly mounted at the bottom of a box girder wing plate and on the outer side wall of a web plate in a connection mode of punching and implanting chemical bolts; an asphalt layer and a concrete layer are chiseled away within the preset reinforcing range of the top of the old bridge box girder wing plate till an internal reinforcing mesh is exposed; a reinforcing steel bar net is laid again on the original steel bar net, the reinforcing steel bar net is fixed through a punching and bar planting method, and the reinforcing steel bar net and the original steel bar net are welded and fixed; pouring a ...

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Номер записи: 1
18-04-2023 дата публикации

Carbon-free dry vibrating material for continuous casting tundish and preparation method of carbon-free dry vibrating material

Номер: CN115974565A
Автор: WANG PEIYONG, ZHANG YUANHONG, YU XIPING, XIAO ZHIQIANG
Принадлежит:

The invention discloses a carbon-free dry vibrating material for a continuous casting tundish and a preparation method of the carbon-free dry vibrating material, and relates to the field of refractory materials for amorphous forms. The carbon-free dry vibrating material comprises the following raw material components in parts by mass: 50-85 parts of 91 magnesia with the particle size of 5-0mm; 20 to 30 parts of 200-mesh 96 magnesia; 5-9 parts of a composite binding agent; 0.2 to 1 part of clay; wherein the composite binding agent is a mixture of magnesium sulfate heptahydrate and sulfamic acid. The preparation method comprises the following steps: uniformly mixing the 91 magnesia, the 96 magnesia, the composite binding agent and the clay, molding, baking, and demolding to obtain the carbon-free dry vibration material. The dry material disclosed by the invention does not contain carbon, does not generate harmful and irritant gases in the use process, does not increase hydrogen or recarburization ...

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Номер записи: 2
04-04-2023 дата публикации

Casting system for large synchronous pulley of CT machine

Номер: CN115889705A
Автор: XIAO ZHIQIANG, XIAO WEI
Принадлежит:

The invention discloses a CT machine large synchronous pulley casting system which comprises two rotary workbenches which are symmetrically arranged and rotationally connected with a rack, a pouring sleeve and a dial, a sand pressing die sleeve and a sand pressing air cylinder are fixedly arranged on the rotary workbenches, a section die is arranged below the sand pressing die sleeve, the working end of the sand pressing air cylinder is fixedly connected with a sand pressing table, and the working end of the sand pressing air cylinder is fixedly connected with the dial. The sand pressing table is fixed to the upper portion of the base, the swage die is fixed to the upper portion of the base, the side wall of the sand pressing table and the side wall of the base are matched with the inner wall of the sand pressing die sleeve, the pouring sleeve and the needle disc are located between the rotary working table, and the pouring sleeve is matched with the inner wall of the sand pressing die ...

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Номер записи: 3
01-08-2023 дата публикации

High-water-content wellhead sealing device

Номер: CN116517495A
Автор: MU XUEJIE, WANG XINJIN, DU HONGWEI, LIU YUGONG, XIAO ZHIQIANG, MIAO DONGYING, ZHANG YIGUI, MA YU, LI YANSHUN
Принадлежит:

The invention discloses a high-water-content wellhead sealing device, and relates to the technical field of oil and gas exploitation, the high-water-content wellhead sealing device comprises a flange base, a sealing shell is fixedly mounted on the flange base through screws, a dustproof cover is fixedly mounted on the sealing shell, a sealing assembly is fixedly mounted in the sealing shell, and the sealing assembly comprises a bottom centering cylinder; a lubricating chamber is fixedly mounted on the bottom centering cylinder; a small amount of crude oil can be brought into the spiral lubricating groove in the running process of the polish rod, the spiral lubricating groove is filled with the small amount of crude oil, the small amount of crude oil flows to the sealing ring through the communicating groove, the polish rod is continuously lubricated, abrasion of the sealing ring is greatly reduced, the service life is greatly prolonged, and the abrasion resistance of the sealing ring is ...

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Номер записи: 4
18-04-2023 дата публикации

Communication sensing integrated signal processing method based on double time scales

Номер: CN115987739A
Автор: ZENG YONG, XIAO ZHIQIANG
Принадлежит:

The invention discloses a communication and perception integrated signal processing method based on double time scales, which comprises the following steps of: introducing double time scales into a communication and perception integrated system, and combining pilot signals received in a plurality of channel coherence times by utilizing the characteristic that the state of a scatterer in a channel is kept unchanged in the plurality of channel coherence times, channel estimation and environment perception are carried out; performing path-by-path time delay compensation and received beam forming on a received signal in each coherence time according to the estimated path time delay of the channel and the channel complex gain, and demodulating the signal; performing Doppler frequency estimation on each path by combining the communication signals and the pilot signals demodulated in the coherence time of the plurality of channels; and according to the estimated Doppler frequency and time delay ...

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Номер записи: 5
27-06-2023 дата публикации

Concrete pavement planing and milling equipment

Номер: CN116335003A
Автор: LI CHENGCHENG, HOU YUEMIN, MA YOUCAI, LIU FUXIU, ZHAO ZHAO, XING XIAOLI, XIAO ZHIQIANG
Принадлежит:

The invention discloses concrete pavement milling equipment which comprises a walking device, the walking device is provided with a pavement milling mechanism, the pavement milling mechanism comprises a milling drum, and a first hydraulic motor is arranged on the side face of the milling drum; the walking device comprises driving wheels, and second hydraulic motors are arranged on the side faces of the driving wheels. The first hydraulic motor communicates with a first hydraulic distribution valve, the first hydraulic distribution valve communicates with a hydraulic pump, and the hydraulic pump is in power connection with a diesel engine; the first hydraulic distribution valve is also communicated with a second hydraulic motor; the first hydraulic distribution valve is provided with an adjusting mechanism. The scheme has the beneficial effects that according to the description of the scheme, the structure is simple, the design is reasonable, and the running speed of the driving wheel can ...

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Номер записи: 6
29-08-2023 дата публикации

Transient electromagnetic-thermal coupling numerical calculation method based on finite difference scheme

Номер: CN116663460A
Автор: WANG LU, XIAO ZHIQIANG, ZENG YANPING, MENG XIANGDONG, GU TINGWEI
Принадлежит:

The invention discloses a transient electromagnetic-thermal coupling numerical calculation method based on a finite difference scheme, and belongs to the crossing field of an integrated circuit technology and computational physics. According to the calculation method, the actual requirement of system-level packaging is met, the state equation of the electromagnetic field and the state equation of the temperature field are solved in a coupling mode in the time domain by means of the alternating direction implicit finite difference format, and unconditional stability of the algorithm is guaranteed; adding a Debye model for the material, describing the change characteristics of dielectric material parameters along with the frequency, and ensuring the adaptability to high-frequency signals; meanwhile, setting related physical quantities of an electromagnetic field and a temperature field under a set of coordinate system, so that a solving process meets grid consistency; a time factor is added ...

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Номер записи: 7
22-08-2023 дата публикации

Extraction system and liquid extraction method and device

Номер: CN116622477A
Автор: ZHONG ZHIJIAN, LUO XIAORONG, DENG PAN, XIAO ZHIQIANG, ZHU WEIFENG, FU PENGLIANG, TU YINGJUAN, ZHAO YAFEI, JIANG YULI, LIU XIANLIANG, LIU JINPING, WAN XIAOWEI, FEI YICHENG, WU XINYU, GUO HUANHUAN
Принадлежит:

The invention provides an extraction system and a liquid extraction method and device, and relates to the technical field of automatic control. The method is applied to a control unit in the extraction system, the extraction system further comprises an ultraviolet detection unit and at least one extraction subsystem, the extraction subsystem comprises an extracting solution outflow pipeline, an eluent control switch and an extracting solution control switch, the extracting solution control switch is arranged on the extracting solution outflow pipeline, and the eluent control switch is arranged on the extracting solution outflow pipeline. The method comprises the following steps: in the extraction process of the proteolytic enzyme, continuously obtaining the absorbance of an extracting solution through an ultraviolet detection unit aiming at each extraction subsystem, further controlling an eluent control switch based on the absorbance so as to realize switching of the eluent, and determining ...

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Номер записи: 8
13-04-2021 дата публикации

Automatic flange packaging machine

Номер: CN212951467U
Автор: XIAO ZHIQIANG, 肖志强
Принадлежит: SHIJIAZHUANG RUNANG CHEMICAL IND CO LTD, SHIJIAZHUANG RUN'ANG CHEMICAL INDUSTRY CO., LTD., 石家庄润盎化工有限公司

The utility model relates to the technical field of flange packaging, in particular to an automatic flange packaging machine which comprises a packaging machine body, a material receiving box is arranged at the discharging end of the packaging machine body, a feeding port is formed in the top end of the material receiving box, multiple stages of material receiving plates are fixedly connected to the inner side wall of the material receiving box, and damping devices are elastically connected to the bottom ends of the multiple stages of material receiving plates. Adjacent material receiving plates in the multiple stages of material receiving plates are arranged in a staggered mode, one side of the bottom end of the material receiving plate located on the lowermost side of the material receiving plates is fixedly connected with the inner bottom wall of the material receiving box, through arrangement of the multiple stages of material receiving plates, multi-stage buffering can be conveniently ...

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Номер записи: 9
06-06-2023 дата публикации

Cooking utensil

Номер: CN116211140A
Автор: DU ZEXUAN, FEI YUMIN, FAN LONGGANG, SHU PAN, DENG YANQING, SUN YANJUN, TANG XIANGWEI, XIAO ZHIQIANG, DING JIALI, WEI XUYANG
Принадлежит:

The invention provides a cooking utensil which comprises a shell, an air supply assembly and at least one heating part, the shell is provided with a cooking cavity, the air supply assembly is arranged in the shell and enables air in the cooking cavity to flow, the heating parts are arranged in the shell and used for heating the air in the cooking cavity, each heating part comprises N heating sections, and the N heating sections are arranged in the shell. At least two heating sections in the N heating sections have different heating powers, and N is an integer greater than or equal to 2. According to the cooking utensil, the heating sections with different heating powers are arranged in the cooking utensil, so that a thermal field generated by the heating piece can be complementary with an air field formed by the air supply assembly, the uniformity of heat distribution in the whole cooking cavity is improved, the heating speed is increased, and the cooking effect is improved.

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Номер записи: 10
01-08-2023 дата публикации

High-strength hollow ball forming method

Номер: CN116511411A
Автор: LI QIANG, XIAO ZHIQIANG, SONG YING, DUAN WEI, ZHANG ZITING, LIU XUAN, YE DAN
Принадлежит:

The invention belongs to the technical field of link ball machining, and particularly relates to a high-strength hollow ball forming method which comprises the following forming steps: blanking: forging a bar to prepare a blank; the blank is subjected to upsetting and rounding treatment, and a cake blank is prepared; processing the outer circular surface of the cake blank to prepare a processed cake blank; the processed cake blank is placed in a forging die to be forged, and a forge piece is manufactured; primary hot extrusion: designing and processing a hot extrusion forming die according to a hot extrusion part; the hot extrusion forming die and the machined forge piece are heated to the set temperature, and the forge piece is subjected to heat preservation for the set time; and molding. Through the blanking, one-time hot extrusion and forming method, the problems of product inner cavity forming and batch production are solved; and the product manufacturing cost is greatly reduced, the ...

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Номер записи: 11
16-05-2023 дата публикации

Power coordination control method and system for diesel-storage multi-source power supply system under pulse load

Номер: CN116131362A
Автор: ZHOU LEMING, LEI ZHIJIE, YI WEILANG, XIAO ZHIQIANG, ZHAO JIAWEI, MO DAPING, ZHU ZHENHUA, LIU TONGXU
Принадлежит:

The invention discloses a diesel-storage multi-source power supply system power coordination control method and system under a pulse load, and the virtual synchronous torque calculation value of energy storage converters is changed in real time by detecting the variable quantity of the output power of a diesel generator and a plurality of energy storage converters. By detecting whether the pulse load is input or not and giving different virtual synchronous torque given strategies, the angular acceleration of each energy storage converter quickly tracks the diesel generator under the pulse load, the angular acceleration difference between each energy storage converter and the diesel generator when the load suddenly changes is effectively reduced, and the reliability of the diesel generator is improved. Therefore, the low-frequency oscillation of the output power of the diesel generator and the multi-energy storage converter under the pulse load condition is suppressed, and the synchronous ...

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Номер записи: 12
27-06-2023 дата публикации

Bridge crack guniting repairing device

Номер: CN116335056A
Автор: HOU YUEMIN, LI CHENGCHENG, MA YOUCAI, LIU FUXIU, XING XIAOLI, WANG CUIXUE, XIAO ZHIQIANG
Принадлежит:

The invention discloses a bridge crack guniting repairing device which comprises a carrier, and the carrier is provided with a rotor wing mechanism. The carrier is provided with a locating mechanism, and the locating mechanism is connected with a guniting repairing mechanism. The locating mechanism comprises two stand columns arranged on the carrier, and the stand columns are movably connected with a first lifting beam and a second lifting beam. The first lifting beam is movably connected with a first automatic sliding block, the first automatic sliding block is provided with a first probe rod, and the end of the first probe rod is connected with a guniting repairing mechanism. The second lifting beam is movably connected with a second automatic sliding block, the second automatic sliding block is provided with a second feeler lever, and the end of the second feeler lever is connected with a guniting repairing mechanism. The scheme has the beneficial effects that according to the description ...

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Номер записи: 13
30-06-2023 дата публикации

Cold setting device for production of aramid cord reinforced V-shaped belt for oil pumping unit in oil field

Номер: CN116352937A
Автор: MU XUEJIE, WANG XINJIN, LIU YUGONG, XIAO ZHIQIANG, MIAO DONGYING, ZHANG YIGUI, MA YU, LI YANSHUN
Принадлежит:

The invention discloses an aramid cord reinforced V-belt production cold setting device for an oil pumping unit in an oil field, and belongs to the technical field of V-belt production. The aramid cord reinforced V-belt production cold setting device comprises a water tank, a supporting frame is fixedly mounted on the water tank, a cooling assembly, an auxiliary fixing assembly and a scraping assembly are arranged on the supporting frame, and a plurality of conveying battens are fixedly mounted on a chain; accordingly, the V belt is conveyed through the conveying batten, the situation that water drops carried on the surface of the V belt cannot be cleaned when the V belt is air-cooled due to the fact that water leakage holes in the conveying belt are blocked is avoided, glue and impurities attached to the conveying batten can be cleaned through the scraping assembly, excessive accumulation and adhesion of the V belt are avoided, and the service life of the V belt is prolonged. The auxiliary ...

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Номер записи: 14
02-06-2023 дата публикации

Efficient sterilization low-irritation concentrated laundry detergent

Номер: CN116200228A
Автор: JIANG JIANXIN, XIAO ZHIQIANG, CHEN DIANSONG, LI WEIXIN, YOSHIKARI
Принадлежит:

The invention belongs to the field of daily chemical products, and particularly relates to a preparation method of a high-efficiency bactericidal low-irritation concentrated laundry detergent, the laundry detergent comprises a surfactant, a thickener, a chelating agent, a preservative, a biological enzyme, essence and water, and the components are organically combined according to a certain ratio, so that the laundry detergent provided by the invention ensures excellent dirt-removing power, and meanwhile, the laundry detergent has a good bactericidal effect. The soap has the characteristics of efficient sterilization and mild and non-irritating to skin, the two added saponin extracts and the anionic surfactant have a synergistic effect after being compounded, the dosage of the surfactant and the bio-enzyme can be reduced, so that the cost is reduced, and the added natural gleditsia sinensis polysaccharide gum remarkably reduces skin irritation and is environment-friendly. A verification ...

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Номер записи: 15
15-08-2023 дата публикации

Two-dimensional material monatomic fuel cell catalyst as well as preparation method and application thereof

Номер: CN116598513A
Автор: ZHANG XIAOQIAN, LI JINCHENG, XIE PENGFEI, YU YING, CHEN YILONG, XIAO ZHIQIANG
Принадлежит:

The invention discloses a two-dimensional material monatomic fuel cell catalyst as well as a preparation method and application thereof, and relates to the technical field of electrochemical catalysis. A hot intercalation stripping method is designed, hemin is adopted as an iron source, layered Fe-ZIF-L is synthesized in a water system environment, Fe-ZIF-L, KCl and LiCl are fully mixed and ground, KCl and LiCl serve as a stripping agent and an etching agent, a mixed precursor is placed in a tubular furnace to be subjected to high-temperature pyrolysis in an argon atmosphere, hot intercalation stripping is conducted at the temperature of 400 DEG C, and the Fe-ZIF-L/KCl/LiCl composite material is obtained. Fe-ZIF-L is stripped into an ultrathin 2D form, and a large layered porous structure is shown, so that the performance of the fuel cell is improved. The method is used for carrying out local etching and pore forming on the two-dimensional material catalyst, so that the catalyst can achieve ...

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Номер записи: 16
19-05-2023 дата публикации

Annealing device

Номер: CN116137235A
Автор: ZHANG ZHIYING, ZHANG YANG, YANG WEN, LI NAN, XIAO ZHIQIANG
Принадлежит:

An annealing device comprises: a heating table having a bearing surface; the light source is used for emitting laser beams; the optical assembly is arranged on a light path of the laser beam, and the optical assembly is used for adjusting the light path of the laser beam to enable the laser beam to be incident to the bearing surface; the isolation plate is arranged between the bearing surface and the optical assembly, the isolation plate and the bearing surface are spaced, and the surface of the isolation plate is covered with a heat insulation coating. The isolation plate is arranged between the heating table and the optical assembly, the surface of the isolation plate is covered with the heat insulation coating, the isolation plate covered with the heat insulation coating can weaken heat conduction, heat convection and heat radiation generated by the heating table, and the probability that the optical assembly deforms due to heat stress is reduced; and the morphology stability of a light ...

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Номер записи: 17
22-08-2023 дата публикации

Aramid cord continuous flexible sucker rod lifting rope forming device

Номер: CN116623448A
Автор: MU XUEJIE, WANG XINJIN, DU HONGWEI, LIU YUGONG, XIAO ZHIQIANG, MIAO DONGYING, ZHANG YIGUI, MA YU, LI YANSHUN
Принадлежит:

The invention discloses an aramid fiber rope continuous flexible sucker rod lifting rope forming device, and relates to the technical field of sucker rod forming. Comprising a feeding part, a guiding part, a collecting part and plastic coating vulcanization equipment, and the feeding part is used for releasing a rope; the guide piece is used for positioning and guiding the rope in the traction direction; the collecting piece is used for collecting and collecting the dispersed cotton ropes; a movable splicing component and a winding component are further arranged in the traction direction, and the movable splicing component is used for driving the thread rope to transversely move so that the thread rope can be sequentially wound; and continuously connecting the thread rope on the winding piece, the winding piece is used for fixedly clamping the free end of the thread rope and winding the thread rope; in the rope winding operation, the cut-off rope is automatically spliced, manual splicing ...

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Номер записи: 18
30-06-2023 дата публикации

Auxiliary device for checking pressing plate of transformer substation and use method of auxiliary device

Номер: CN116365408A
Автор: SHEN JIE, WU YOU, XIAO ZHIQIANG, XU YIFAN, TAO YING, XIAO JUNCHAO, TANG LI, WANG FAN, ZHANG YING, SHEN WENYI, LI ZHIXIN, TU HONGZHI, WAN TAO, HE FENG, LIU JIE, LI BO
Принадлежит:

The invention discloses an auxiliary device for transformer substation pressing plate checking and a using method thereof.The auxiliary device comprises a checking frame, the checking frame is in an inverted U shape, four fixing assemblies are arranged on the surface of the checking frame, and the four fixing assemblies are used for fixing the checking frame to the surface of a transformer pressing plate screen; and a plurality of adjusting assemblies are installed in the checking frame in a sliding mode, and a plurality of marking assemblies are installed on the tops of the adjusting assemblies in a sliding mode. According to the auxiliary device for checking the pressing plate of the transformer substation and the use method of the auxiliary device, the multiple marking assemblies are supported by the adjusting assemblies, under the arrangement of the electromagnetic control assembly, the multiple marking assemblies are fixed after being subjected to position adjustment, and the positions ...

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Номер записи: 19
13-08-2021 дата публикации

Energy router operation control method and system

Номер: CN113258562A
Автор: ZHOU LEMING, ZHOU JIE, YI WEILANG, LIU QI, WANG SHUKE, LIU SIYI, XIAO ZHIQIANG, 周乐明, 周杰, 易伟浪, 刘琦, 王舒克, 刘思怡, 肖志强
Принадлежит:

The invention discloses an energy router operation control method and system. An energy router is divided into two working modes, namely a normal operation mode and a low-voltage ride-through mode. In a normal operation mode, system coordination and stability are realized through staged scheduling of output of a diesel generator, power balance between a source and a load is maintained, SOC regulation and control of an energy storage unit are realized, and efficient operation of an energy router is ensured; in the low-voltage ride-through mode, the diesel generator and the photovoltaic power generation unit output power according to the maximum output power, and the energy storage unit adopts constant-voltage control and system-level coordination control so as to inhibit the continuous drop of the bus voltage, support the rapid recovery of the bus voltage and ensure the effective ride-through of the low-voltage fault of the energy router. Meanwhile, low-voltage drop detection is carried ...

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Номер записи: 20
13-06-2023 дата публикации

Infrared-visible light fusion method and system based on feature enhancement and readable storage medium

Номер: CN116258934A
Автор: LI ZHIYONG, XIAO ZHIQIANG, FU HAOLONG, LIU HANHAO
Принадлежит:

The invention discloses an infrared-visible light fusion method based on feature enhancement, and the method comprises the steps: extracting deep features from a visible light image and an infrared image through employing a feature extraction network of a double-flow trunk YOLOv5, and reducing the deviation of a single mode through a symmetric complementary mask; for the difference between visible light and infrared images, a cross feature enhancement module is added in a fusion module to improve in-mode feature representation, a long-distance dependence fusion module is added, and enhanced features are fused by correlating position codes of multi-mode features, so that the fusion precision is improved. The joint utilization rate of multi-modal images and the detection effect of complex scenes can be improved. The invention further provides an infrared-visible light fusion system based on feature enhancement and a readable storage medium.

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Номер записи: 21
09-06-2023 дата публикации

Low-carbon magnesium-calcium steel ladle sliding plate brick and preparation method thereof

Номер: CN116239389A
Автор: ZHANG DONG, WANG SAISAI, YU XIPING, XIAO ZHIQIANG
Принадлежит:

The invention discloses a low-carbon magnesium-calcium steel ladle sliding plate brick and a preparation method thereof. The sliding plate brick comprises the following components in percentage by weight: 50%-60% of magnesia-calcium sand, 10%-15% of calcium hexaluminate and 30%-35% of co-grinding powder, 3%-5% of an organic silicon resin binding agent is additionally added; wherein the co-grinding powder is prepared by uniformly mixing 9.5%-19% of magnesia-calcium clinker fine powder, 0.5%-1.5% of silicon carbide fine powder, 8%-10% of aluminum powder, 1%-2% of silicon powder and 5% of alpha-Al2O3 micro powder; the calcium hexaluminate particles are treated by the following steps: stirring the calcium hexaluminate particles and a coating agent solution, and adding 0.5-1.5% of a coating agent on the basis of the total mass of the calcium hexaluminate particles; the main component of the coating agent is nano silicon dioxide, a coating agent solution is alkalescent, the coating temperature ...

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Номер записи: 22