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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 7. Отображено 7.
02-05-2023 дата публикации

Carbon fiber powder reinforced carbon cloth-polyimide resin composite material and preparation method thereof

Номер: CN116039173A
Автор: FEI JIE, YAN JIFENG, LI HEJUN, QI LEHUA, LI CHANG
Принадлежит:

The invention relates to a carbon fiber powder reinforced carbon cloth-polyimide resin composite material and a preparation method thereof, and the preparation method comprises the following steps: uniformly depositing carbon fiber powder on the surface of carbon cloth by using water as a dispersion medium by using a paper page former, then stacking and laying according to [0 degree] s, and sewing to form a preform in a carbon cloth layer-carbon fiber powder layer structural form; and impregnating the preform with polyimide resin, rolling and drying, and finally hot-pressing and curing to obtain the composite material. Carbon fiber powder is introduced between the layers and on the surface of the carbon cloth through a water deposition method, and the effects of strengthening, toughening and abrasion increasing are achieved on the composite material. The prepared composite material has the advantages of being good in mechanical property, simple in preparation process, high in efficiency ...

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Номер записи: 1
25-04-2023 дата публикации

Geographic surveying and mapping vertical surveying device convenient to fix and use method of geological surveying and mapping vertical surveying device

Номер: CN116006865A
Автор: FAN ZHAOHUI, MA SHENGXIN, ZHANG BAOXIN, YAN JIFENG
Принадлежит:

The invention discloses a vertical surveying device convenient to fix and used for geographic surveying and mapping and a using method thereof, and relates to the technical field of geographic surveying and mapping. A vertical surveying device convenient to fix and used for geographic surveying and mapping comprises a mounting base and surveying equipment arranged on the mounting base, supporting legs are connected to the outer side of the mounting base, a bottom plate is connected to the ends, away from the mounting base, of the supporting legs, an insertion rod is movably arranged on the bottom plate, an anti-falling barb is arranged on the insertion rod, and an auxiliary insertion and extraction assembly is connected to the top of the insertion rod. Each supporting leg is provided with a lifting mechanism which is connected with the corresponding auxiliary insertion and extraction assembly and used for driving the corresponding insertion rod to move, and the mounting base is provided ...

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Номер записи: 2
29-08-2023 дата публикации

Uncovering mechanism for composite material packaging box

Номер: CN116654445A
Автор: QI TENGFEI, ZHANG YI, AN MENGLEI, TANG ZHANWEN, YAN JIFENG, WANG HAI, HUANG PENG
Принадлежит:

The invention provides an uncovering mechanism for a composite material packaging box. The uncovering mechanism comprises a driving assembly, a guiding mechanism, a sliding block, a pushing arm and a supporting arm. The guide mechanism is suitable for being installed on the side wall of a lower box body of the composite material packaging box. The slide block is slidably arranged on the guide mechanism; the driving assembly is used for driving the sliding block to move along the guiding mechanism. One end of the pushing arm is hinged with the sliding block, and the other end is hinged with the supporting arm; the supporting arm comprises a first end and a second end, the first end of the supporting arm is hinged to the guide mechanism, and when the sliding block moves along the guide mechanism, the supporting arm can rotate around a hinged shaft of the supporting arm and the guide mechanism under the action of the pushing arm, so that the height of the second end of the supporting arm is ...

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Номер записи: 3
25-10-2019 дата публикации

Integrated medical cleaning workstation

Номер: CN0209531574U
Автор: ZHANG XIANG, SHI YANJUN, YAN JIFENG
Принадлежит: GUANGZHOU NIUTENG MEDICAL TECH CO LTD, GUANGZHOU NIUTENG MEDICAL TECHNOLOGY CO., LTD.

The utility model discloses an integrated medical cleaning workstation. The device comprises a cabinet body, a primary washing tank, an enzyme washing tank, a secondary washing tank, a soaking tank, afinal washing tank, a perfusion assembly, a water treatment assembly, an air compressor, a first waterproof motor, a fixing sleeve, a water guide pipe and a fixing clamp, according to the utility model, the cleaning tanks with different structures and sizes are matched with the drying table to work; space is saved, cost is saved, water is used in an environment-friendly mode, and use is convenient. The cleaning tanks with different sizes and structures can be selected according to different environments and positions; the problem of medical environment tension is effectively solved; meanwhile, the cost of water and electricity consumption is saved for users; according to the medical cleaning device, the cleaning tanks of different sizes and structures can be selected according to different ...

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Номер записи: 4
14-07-2023 дата публикации

Large-size high-performance empennage made of all-composite material

Номер: CN116424546A
Автор: QI TENGFEI, WANG PENG, LI WENYU, YAN JIFENG, CHEN XIAOXU, WANG CHANGDONG, JI BAOFENG, ZOU YUNXIANG, WANG FEI, ZHANG BO
Принадлежит:

The invention provides a large-size all-composite-material high-performance empennage which comprises a stabilizer, a mounting groove is formed in the rear side of the stabilizer, a control surface is mounted in the mounting groove and driven by a transmission shaft, and in a normal state, the outer edge of the control surface is flush with the rear edge of the stabilizer, and the control surface is consistent with the streamline of the outer surface of the stabilizer; the stabilizer comprises an inner framework and a skin structure on the outer side of the inner framework structure, the inner framework comprises a front beam and a rear beam, a plurality of reinforcing wing ribs are arranged between the front beam and the rear beam, one end of the front beam is provided with a T-shaped front beam butt joint section, the other end of the front beam is provided with a fuselage connecting structure, the front beam butt joint section is located at the end close to a wingtip, and the fuselage ...

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Номер записи: 5
21-07-2023 дата публикации

Sweepback type three-beam thin wing composite material wing structure

Номер: CN116461690A
Автор: QI TENGFEI, YAN JIFENG, AN MENGLEI, WANG CHANGDONG, JI BAOFENG, ZOU YUNXIANG, WANG FEI, ZHANG BO, CHEN XIAOXU
Принадлежит:

The invention provides a sweepback type three-beam thin wing composite material wing structure which comprises a wing main body and ailerons mounted in wing main body mounting grooves, and the wing main body comprises a wing framework and a wing outer skin structure on the outer side of the wing framework; the wing framework comprises a longitudinal component unit and a transverse component unit, the longitudinal component unit comprises a front beam, a middle beam and a rear beam, acute angles are formed between the front beam and the middle beam, and acute angles are formed between the middle beam and the rear beam; the transverse member unit comprises a plurality of wing ribs which are arranged between the front beam and the middle beam, between the middle beam and the rear beam and on the side, facing the front of the fuselage, of the front beam; the front beam, the middle beam and the rear beam are each provided with a spar connector used for being connected with a fuselage. The wing ...

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Номер записи: 6
09-05-2023 дата публикации

Surveying instrument positioning equipment for engineering surveying and mapping and use method of surveying instrument positioning equipment

Номер: CN116085619A
Автор: FAN ZHAOHUI, MA SHENGXIN, ZHANG BAOXIN, YAN JIFENG
Принадлежит:

The invention belongs to the technical field of engineering surveying and mapping instruments, particularly relates to surveying and mapping instrument positioning equipment for engineering surveying and mapping and a use method of the surveying and mapping instrument positioning equipment, and aims at solving the problems that in the prior art, supporting legs need to be controlled constantly in the moving process, the equipment is large in size and inconvenient to carry and move. The surveying and mapping instrument comprises a surveying and mapping instrument body, a supporting rod and a storage sleeve, the bottom of the surveying and mapping instrument body is rotationally connected with a chassis, and the bottom end of the supporting rod extends into the storage sleeve and is fixedly connected with a bearing disc. The base plate is used for fixing the base plate to the top end of the supporting rod and supporting the supporting rod and the storage sleeve, operation is simple, on the ...

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Номер записи: 7