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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 4. Отображено 4.
21-07-2023 дата публикации

Tunnel excavation support trolley edge protection structure, protection assembly and construction method thereof

Номер: CN116464471A
Автор: CHEN CHAO, HU YI, LIU XIUYAN, FEI XINFENG, LA ZHOUJIA, ZHANG XIAOFENG
Принадлежит:

The invention discloses a tunnel excavation support trolley edge protection structure, a protection assembly and a construction method thereof, and belongs to the technical field of tunnel construction. The protection structure comprises two first connecting plates and a second connecting plate located between the two first connecting plates. The first connecting plate is provided with a notch which is integrally L-shaped, and the notch comprises a first guide groove and a second guide groove; the second connecting plate is provided with a notch corresponding to the first guide groove. When the guardrail is used, the bottom cross rod of the guardrail slides to the bottom of the first guide groove along the L-shaped notch, at the moment, the bottom cross rod of the guardrail is just clamped in the notch in the second connecting plate, and the guardrail can be vertically placed to achieve the protection function; when the guardrail is lifted upwards, the bottom cross rod moves to the first ...

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Номер записи: 1
04-08-2023 дата публикации

Using method of tunnel inverted arch reserved steel bar positioning clamping groove

Номер: CN116537832A
Автор: CHEN CHAO, LIU XIUYAN, FEI XINFENG, LA ZHOUJIA, GAO CHUNGUO
Принадлежит:

The invention discloses a use method of a tunnel inverted arch reserved steel bar positioning clamping groove, and relates to the technical field of steel bar positioning. The using method of the tunnel inverted arch reserved steel bar positioning clamping groove comprises the following specific operation steps that related materials are prepared, and the related materials comprise a steel plate, a sliding groove, an L-shaped quick tightening wrench bolt, a clamping groove, an end plate, a baffle and a hinge; the end plates are mounted at the two ends of the steel plate, so that the sliding grooves are prevented from falling off; and meanwhile, a rotatable hook is arranged on one side. According to the use method of the tunnel inverted arch reserved steel bar positioning clamping groove, the tunnel inverted arch reserved steel bar positioning clamping groove is designed from the aspects of convenience, practicability, high applicability and improvement of the working efficiency and the ...

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Номер записи: 2
23-05-2023 дата публикации

Cutter, backlight module, light guide plate and preparation method of light guide plate

Номер: CN116148968A
Автор: ZHANG HENG, FANG ZONGBAO, SI QUNYING, ZHU LEI, FEI XINFENG, YU XIAOLONG
Принадлежит:

The invention relates to a cutter, a backlight module, a light guide plate and a preparation method thereof. The cutter comprises a cutting edge, a mounting surface, a first connecting surface and a second connecting surface, wherein the mounting surface is arranged opposite to the cutting edge and used for being in butt joint with impact equipment, and the first connecting surface and the second connecting surface are connected with the cutting edge and the mounting surface and are arranged oppositely; the first connecting face is connected with the second connecting face through the third connecting face and the fourth connecting face. The third connecting surface and the fourth connecting surface are oppositely arranged; the first connecting surface is an inclined surface inclined towards the direction of the second connecting surface; and the second connecting surface is an inclined surface inclined towards the direction of the first connecting surface. The cutter is used for preparing ...

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Номер записи: 3
25-07-2023 дата публикации

Tunnel steel arch connecting steel plate positioning auxiliary device and using method

Номер: CN116475540A
Автор: CHEN CHAO, HU YI, LIU XIUYAN, FEI XINFENG, LA ZHOUJIA, ZHANG XIAOFENG
Принадлежит:

The invention discloses a tunnel steel arch connecting steel plate positioning auxiliary device and a using method, and belongs to the technical field of tunnel construction. The device comprises a connecting rod, and the connecting rod is connected with a first cross rod and a second cross rod. Wherein first connecting blocks are arranged on the first cross rods in a sliding mode, the first connecting blocks are connected with wing plates of the steel arches through first clamping grooves, and the distance between the two first connecting blocks can be flexibly adjusted according to the steel arches of different specifications. A second connecting block is arranged on the second cross rod in a sliding manner, and the second connecting block is used for positioning the connecting steel plate through a positioning column; and meanwhile, the distance between the two second connecting blocks can be flexibly adjusted according to the connecting steel plates of different specifications. According ...

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Номер записи: 4