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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 10. Отображено 10.
27-06-2023 дата публикации

Closed goaf coal bed gas underground extraction method

Номер: CN116335591A
Принадлежит:

The invention provides an underground extraction method for coalbed methane in a closed goaf. The method comprises the following steps: S1, calculating a reservoir space boundary; s2, closed goaf coal bed gas underground extraction directional long drill hole arrangement; s3, goaf coal bed gas is sealed, and underground extraction hole sealing and extraction are carried out; when the method is used, calculation is carried out through the reservoir space boundary of a mining area, and the goaf pressure relief influence range is judged indirectly through ground geophysical prospecting and other methods and by utilizing the three-lower coal mining water flowing fractured zone height theory and the protective layer mining theory in combination with a numerical simulation correction method. The calculation and judgment accuracy of the space boundary of the reservoir in the goaf can be effectively improved; the underground extraction directional long drill hole arrangement is realized according ...

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02-06-2023 дата публикации

Overlying strata separation detection system for rock stratum horizontal stress and mining unloading effect

Номер: CN116202573A
Принадлежит:

The invention provides an overlying strata separation detection system for rock stratum horizontal stress and mining unloading effect, which comprises a control module, the control module is electrically connected with a processing module, and the processing module is electrically connected with a detection module; the control module is electrically connected with a communication module, the communication module is electrically connected with edge cloud computing, the communication module is electrically connected with a remote terminal, and the remote terminal is electrically connected with a large database; the control module is electrically connected with a voltage regulation module, the control module is electrically connected with a feedback module, and the feedback module is electrically connected with the voltage regulation module. According to the invention, the internal data information of the roadway is obtained through the detection module, and the communication module carries ...

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01-08-2023 дата публикации

Medium-length hole efficient blasting device based on energy-gathered coupling grain

Номер: CN116518811A
Принадлежит:

The medium-length hole efficient blasting device comprises a charging connection line structure and a plurality of energy-gathered coupling grain bodies, a blast hole is formed in a coal seam, the energy-gathered coupling grain bodies are installed in the blast hole, and the charging connection line structure is connected with the charging connection line structure. A first coal mine detonating cord and a second coal mine detonating cord are connected to the two sides of the energy-gathered coupling grain body, coal mine electric detonators are connected to the other end of the first coal mine detonating cord and the other end of the second coal mine detonating cord, and a full-length bag hole packer is arranged at the other end of the energy-gathered coupling grain body. A bag grouting pipe is connected into the full-length bag hole packer; the energy-gathered coupling grain body comprises a pipe wall, explosive is placed in the pipe wall, and connecting structures are arranged at the ...

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29-08-2023 дата публикации

Six-degree-of-freedom monorail crane manipulator

Номер: CN116652901A
Принадлежит:

The invention provides a six-degree-of-freedom monorail crane manipulator which comprises an I-shaped steel rail, a moving mechanism is arranged on the I-shaped steel rail, a base is connected to the moving mechanism, a rotating seat is connected to the lower end of the base, and a mechanical large arm is connected to the rotating seat. First explosion-proof motors are installed on the two sides of the connecting position of the rotating base and the mechanical large arm, the other end of the mechanical large arm is connected with a mechanical small arm through a connecting mechanism, an adjusting mechanism is connected to one side of the mechanical large arm and the mechanical small arm, and a second explosion-proof motor and a third explosion-proof motor are installed at one end of the connecting mechanism. According to the six-axis linkage mechanical arm, six-axis linkage is adopted, flexible action of the mechanical arm in the space range is achieved, the working space range is large ...

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02-06-2023 дата публикации

Belt conveyor safety protection information collecting and monitoring system

Номер: CN116198941A
Принадлежит:

The invention provides a belt conveyor safety protection information collecting and monitoring system which comprises a control module, the control module is electrically connected with a processing module, and the processing module is electrically connected with a detection module; the control module is electrically connected with a communication module, and the communication module is in communication connection with a remote system. The control module is electrically connected with a local area network, and the local area network is in communication connection with other devices. The belt conveyor is detected through the detection module, calculation processing is conducted through cloud computing, remote control and adjustment are conducted through a remote system, mutual connection of all devices in a mine is achieved through a local area network, interlocking control over reverse coal flow starting and down coal flow stopping is achieved, and therefore the effects of reducing people ...

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15-08-2023 дата публикации

Water guiding and spraying preventing device for coal mine tunnel and mounting method of water guiding and spraying preventing device

Номер: CN116591763A
Принадлежит:

The invention provides a water guiding and sprinkling preventing device for a coal mine roadway, which comprises a mining roadway, a water guiding material is mounted in the mining roadway, a plurality of preformed holes are respectively formed in two ends of the water guiding material, and a waterproof film is arranged on one side of the water guiding material; the device further comprises a combined mounting mechanism, the combined mounting mechanism comprises a connecting plate, and the water guide material is suspended on an anchor net of the mining roadway through a lifting hook. The water spraying prevention device is stable in structure, economical in cost, environment-friendly in material, light and convenient to carry and capable of being repeatedly used, and repair and maintenance of the mining roadway due to water spraying in the later period are effectively avoided; the reserved holes are used for fixed installation, the installation stability is kept, the waterproof film is ...

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11-08-2023 дата публикации

Large-section roadway support grouting device capable of preventing grout from flowing back

Номер: CN116575936A
Принадлежит:

The invention provides a large-section roadway support grouting device capable of preventing grout backflow. The large-section roadway support grouting device comprises an outer pipe body, and an inner pipe body is installed in one end of the outer pipe body; an anti-backflow assembly is mounted in the outer pipe body, and the anti-backflow assembly comprises an abutting block slidably connected to the interior of the outer pipe body; a plurality of fastening assemblies are arranged in the outer wall of the outer pipe body, each fastening assembly comprises a rotationally-connected fixing nail installed in the outer side wall of the outer pipe body, the end of each fixing nail is obliquely arranged towards the oblique upper portion, and a plurality of grout outlet holes are formed in the bottom of the outer side wall of the outer pipe body; when the outer pipe body is jacked up, the fixing nail can be inserted into the side wall of the grouting hole along with the jacking force, so that ...

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23-06-2023 дата публикации

Method for exploring coal spontaneous combustion dangerous area before goaf water-immersed coal spontaneous combustion prevention and post-treatment effect monitoring

Номер: CN116291677A
Принадлежит:

The invention provides a method for probing a coal spontaneous combustion dangerous area before goaf water-immersed coal spontaneous combustion prevention and post-treatment effect monitoring. The method comprises the following steps: S1, arranging water drainage probing holes; s2, in-hole monitoring device arrangement; s3, installing a device in the hole; s4, grouting and hole sealing; s5, a coal spontaneous combustion dangerous area is determined, and targeted prevention and control measures are taken; s6, after the prevention and control measures are implemented, the probing holes are converted into effect monitoring holes; the high-risk area is determined through probing and monitoring means, the prevention and treatment effectiveness is improved, and the cost is saved; a simple self-made testing device is used for collecting data of gas components, temperature, air pressure changes and air leakage rules before and after drainage of the goaf; the exploration hole has multiple functions ...

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30-05-2023 дата публикации

Goaf nitrogen inhibition water mist fire preventing and extinguishing method

Номер: CN116181398A
Принадлежит:

The invention provides a goaf nitrogen inhibition water mist fire preventing and extinguishing method. The goaf nitrogen inhibition water mist fire preventing and extinguishing method comprises the following steps that S1, the drilling position is determined; s2, a drilling facility is installed; s3, preparing an inhibition solution; s4, assembling a water mist system; s5, operation of the fogging system; s6, sealing the drilled hole; s7, checking the inhibition effect; by combining the advantages of the nitrogen, the inhibitor and the water mist, the water mist inhibited by the nitrogen is injected into the goaf through drilling, the inhibited water mist is more uniformly distributed into the goaf by utilizing the flowability of the nitrogen, and meanwhile, after the nitrogen is injected, the pressure difference between the inside and the outside of the goaf is reduced, the air leakage rate can be reduced, and the oxygen content is reduced; meanwhile, the inhibition water mist covers the ...

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23-06-2023 дата публикации

Multi-slope-angle geological extrusion boundary simulation combined push plate

Номер: CN116312201A
Принадлежит:

The invention provides a multi-slope-angle geological extrusion boundary simulation combined push plate which comprises a baffle, a plurality of connecting grooves are formed in one side of the baffle, a push plate body is clamped in one connecting groove, the push plate body is connected with the baffle through a plug, and one end of the plug is connected with a fixing ring through a clamping mechanism; the clamping mechanism comprises an inserting rod, a clamping groove is formed in one side of the inserting bolt, one end of the inserting rod is clamped in the clamping groove, a mounting groove is formed in one side of the clamping ring, first through holes are formed in the two sides of the mounting groove, the inserting rod penetrates through the two first through holes and the mounting groove, and the reset spring is connected with the inserting rod. The push plate body is connected with the connecting groove through the plug, the angle of the push plate body can be adjusted, and the ...

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