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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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Применить Всего найдено 2. Отображено 2.
04-07-2023 дата публикации

Recyclable anchor rod and recycling method thereof

Номер: CN116378025A
Автор: ZHENG MINGMING, YAN SHICHUN, ZHU CHENGTAO, CHEN ZHENLIN, LIU XILONG, XIA MIN, WANG JIAXIN, WANG KAI, ZHOU KERUI
Принадлежит:

The invention relates to a recoverable anchor rod and a recovery method thereof.The recoverable anchor rod comprises an anchor rod body which comprises a free-section anchor rod body and an anchoring-section anchor rod body which are connected with each other through a recovery device; the recovery device comprises a shell, an annular hole used for being connected with the free section anchor rod and allowing the free section anchor rod to move is formed in the top of the shell, a threaded hole used for being connected with the anchoring section anchor rod is formed in the bottom of the shell, and annular teeth and a force bearing table matched with the annular teeth in shape are arranged in the recovery device. When the anchor rod is in a tensioned state, the free section anchor rod is driven to rotate in the first direction, the free section anchor rod rotates and drives the recovery device to generate first torque in the first direction, and the recovery device is driven to rotate in ...

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Номер записи: 1
07-04-2023 дата публикации

Liquid bag type intelligent rapid throwing device for horizontal directional drilling wire-line coring pipe

Номер: CN115929236A
Автор: YAN SHICHUN, ZHENG MINGMING, ZHU JUNLIN, YUAN YE, LYU HONGXU, ZHU CHENGTAO, XIONG LIANG, WU ZURUI, ZHOU KERUI, WANG KAI
Принадлежит:

The invention discloses a horizontal directional drilling wire-line coring pipe liquid bag type intelligent rapid throwing device which comprises a lower connecting body, a middle core component and an upper connecting body which are detachably connected, and a power generation unit, a high-pressure pump unit, a detection unit and a control panel are installed in a cavity of the middle core component. A liquid storage cavity and a liquid bag are arranged on a shell of the middle core component, the liquid storage cavity is communicated with the high-pressure pump unit through an oil conveying pipeline, the other end of the high-pressure pump unit is communicated with the liquid bag through an oil flowing pipeline, an electromagnetic valve is arranged on the oil flowing pipeline, and the power generation unit supplies power to the high-pressure pump unit and the control panel. The control panel drives the high-pressure pump unit according to a signal detected by the detection unit to achieve ...

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Номер записи: 2