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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 4. Отображено 4.
23-06-2023 дата публикации

Method for conducting advanced grouting reinforcement on deep-buried long tunnel on earth surface

Номер: CN116291482A
Принадлежит:

The invention discloses a method for conducting advanced grouting reinforcement on a deep-buried long tunnel on the earth surface. The method comprises the following steps: step 1, determining a trepanning position and preparing; secondly, a directional drilling machine is installed and adjusted; thirdly, drilling is conducted according to the design track to the designated position; fourthly, the drilled holes are cleaned; 5, a water pressing test is conducted on the drilled hole; sixthly, grouting is conducted on the drilled holes; 7, after the grouting material meets the design requirement, drilling and grouting of the next branch are completed; the track is changed from the front of the deflecting section position, the drilling mode in the third step is repeated, and drilling of the next branch is completed; after drilling is completed, the steps of hole cleaning and water pressing testing are repeated, and grouting work in the sixth step is conducted on the drilled hole; and 8, all ...

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29-08-2023 дата публикации

Device for treating in-hole drill rod breakage accident and using method thereof

Номер: CN116658109A
Принадлежит:

The invention discloses a device for treating a rod breakage accident of a drill rod in a hole. The device comprises a female tap and a buckle centralizing device, the buckle centralizing device is connected with the female tap; the buckle centralizing device comprises a buckle, a connecting rod and a fixing device; the buckle is fixed below the fixing device through the connecting rod and is positioned below the female tap; the fixing device is fixed to the lower end of the fishing drill rod and arranged on the outer side of the upper end of the female tap. The buckle is of an annular structure with an opening in one end; the diameter of the broken drill rod is larger than the distance between the opening ends of the buckles and smaller than the inner diameter of the buckles. The method has the advantages of greatly increasing the probability of success of processing the in-hole drill rod breakage accident, avoiding the loss caused by the waste hole accident, and ensuring the smooth proceeding ...

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04-03-2015 дата публикации

Geologic structural plane attitude measuring device

Номер: CN104390628A
Принадлежит:

The invention discloses a geologic structural plane attitude measuring device. The geologic structural plane attitude measuring device comprises electronic equipment with both a geomagnetic field sensor chip and a direction sensor chip, wherein an accelerometer is arranged in the direction sensor chip. The geologic structural plane attitude measuring device further comprises a strike-dip survey module and a bubble equilibrium module, wherein the strike-dip survey module utilizes data returned by the accelerometer and the geomagnetic field sensor chip to calculate and obtain the azimuth angle and the inclined angle of the electronic equipment and to further measure the attitude of a geologic structural plane; after the direction sensor chip return the measured data, the bubble equilibrium module utilizes the bubble equilibrium principle to realize equilibrium determination of the electronic equipment and the geologic structural plane and to calibrate the measured data of the geologic structural ...

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18-11-2015 дата публикации

Multi -functional boring means of heavy -calibre basement rock core drill

Номер: CN0204782881U
Принадлежит:

The utility model relates to a multi -functional boring means of heavy -calibre basement rock core drill, including the drilling rod, still include the sediment tube, lead positive ring sum weight, the sediment tube, lead positive ring sum weight fixed the setting on the drilling rod respectively, the sediment tube setting lead just encircle the top, the below of just encircling is being led in the weight setting, the sediment tube by last hourglass empty tray, down flat chassis, half preceding round cover plate, later half round cover plate, bolt, guide and bolt seat constitute, through this technical scheme, with three tool box together, forms a technology and makes up, has improved and has crept into efficiency, alleviateed intensity of labour, guaranteed the drilling perpendicularity, use this instrument handling ease, simple structure, with low costs.

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