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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 5. Отображено 5.
28-07-2023 дата публикации

Orifice dust removal device and method for coal seam bedding drill hole

Номер: CN116498233A
Автор: LIU JUN, LIN FUJIN, LI DAYONG, ZHAO XUSHENG, HUANG GUANGLI, WANG ZHEN, RAN QINGLEI, LI ZHIHENG, MA ZHIYONG, HE YUNWEN, XU TENGFEI, WANG JIANWEI, ZHU ZHENGLI, XIANG YANBIN, YANG LEILEI, NIE HAIYANG, HE CHENGMAO
Принадлежит:

The invention relates to a coal seam bedding drilling orifice dust removal device and method, and belongs to the technical field of coal seam bedding drilling construction dust prevention, the orifice dust removal device comprises a telescopic dust removal device, the telescopic dust removal device comprises a flexible bag, a plurality of water sprayers are installed in the flexible bag, and the upper side and the lower side of the flexible bag are provided with an air outlet and a slag outlet respectively; an expansion assembly detachably connected with the telescopic dust removal device is arranged at the end, close to the hole opening of the drill hole, of the telescopic dust removal device and comprises a barrel with the inner diameter larger than the outer diameter of the drill rod and a bag arranged around the barrel, and an inflation inlet is formed in the bag so that fluid can be injected into the bag through the inflation inlet to achieve expansion fixing of the expansion assembly ...

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Номер записи: 1
18-08-2023 дата публикации

Method for cooperatively and progressively extracting gas from top and bottom of extra-thick coal seam well

Номер: CN116607997A
Автор: HUANG GUANGLI, LI ZHIHENG, WANG ZHEN, HE YUNWEN, LIN FUJIN, LIU BO, LIU JUN, ZHAO WENHUA, LI DAYONG, FENG NING, RAN QINGLEI, MA PINGHAI, MA ZHIYONG, JIA LIGANG, MA WANGLONG
Принадлежит:

The invention belongs to the technical field of coal mine gas extraction. The coal mine coal face area gas advanced extraction method comprises the steps of S1, advanced pre-extraction of a ground well hydraulic fracturing area, S2, intensified extraction of an underground directional drilling segmented hydraulic fracturing area, and S3, bottom plate crossing drilling supplementary extraction. According to the method, the coal seam hydraulic fracturing permeability increasing technology serves as a basic means, and the problems that the original gas content of the extra-thick coal seam is high, the coal seam permeability is low, and the gas extraction standard reaching extraction period is long are effectively solved through three-stage cooperative progressive extraction such as ground well area advanced pre-extraction, underground directional drilling reinforced extraction and bottom plate crossing drilling supplementary extraction; therefore, efficient gas extraction of the extra-thick ...

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Номер записи: 2
11-04-2023 дата публикации

Method for preventing false alarm of starting and stopping states of main mine ventilator

Номер: CN115949610A
Автор: HE YUNWEN, LIN FUJIN, WANG ZHEN, HUANG GUANGLI, RAN QINGLEI, LIU ZHIGUO, XU TENGFEI, LI DAYONG, MA ZHIYONG, YANG DINGCHAO, XIANG YANBIN, ZHANG SHUAI, LIU JUN, ZHANG MING, TIAN YOUJUN
Принадлежит:

The invention belongs to the technical field of coal mine safety, and relates to a method for preventing false alarm of the on-off state of a main ventilator of a mine. Comprising the following steps that corresponding induction current values of the main ventilator running at different frequencies are detected; a high-precision potentiometer in the start-stop sensor is adjusted, and the sensing lowest critical threshold value and the corresponding lowest sensing frequency of the start-stop sensor are determined; the frequency modulation function of the main ventilator frequency conversion control cabinet is utilized to carry out association setting on the main ventilator and the standby ventilator, and seamless connection of the on-off states of the main ventilator and the standby ventilator is achieved. According to the method, the situation that in the switching process of the main ventilator and the standby ventilator, when the ventilator operates at the low frequency band, the safety ...

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Номер записи: 3
29-08-2023 дата публикации

Regional cooperative controller with dual-machine hot standby function

Номер: CN116661286A
Автор: HE YUNWEN, LIN FUJIN, HUANG GUANGLI, CHEN XIN, YANG DINGCHAO, WANG ZHEN, RAN QINGLEI, LIU JUN, LIU ZHIGUO, WANG TING, XU TENGFEI, LI DAYONG, TIAN YOUJUN, WANG BAOHUA, XIANG YANBIN, REN WENHUA
Принадлежит:

The invention relates to a regional cooperative controller with a dual-machine hot standby function, and belongs to the technical field of coal mine safety. Comprising a first mainboard, a second mainboard, a wiring base plate and an explosion-proof and intrinsic safety power box, and has the functions of acquisition, analysis, processing, storage, display, transmission, hot standby, switching and port control. Under a normal condition, the first main board works, the second main board is in a standby state, the ground central station only inspects the first main board, and the second main board is in a sleep mode; and when communication between the two mainboards is interrupted and the ground central station does not respond to call inspection of the first mainboard, judging that the first mainboard fails, waking up the second mainboard, opening data acquisition, communication and control ports, establishing main communication with the ground central station, and acquiring data and uploading ...

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Номер записи: 4
25-01-2012 дата публикации

Idle stroke detection table of car brake master cylinder and vacuum booster assembly

Номер: CN0202126231U
Автор: ZITONG HUANG, YUNWEN HE, GANG WANG, HUANG ZITONG, HE YUNWEN, WANG GANG
Принадлежит: LIUZHOU CHANGHONG MACHINE MFG CO LTD, LIUZHOU CHANGHONG MACHINE MANUFACTURING CO., LTD.

An idle stroke detection table of a car brake master cylinder and a vacuum booster assembly comprises a rack, an installation rack, a detection observation device, a vacuum system and a precision transmission bolt component positioning device and an air cylinder clamping device both of which are sequentially installed on the same central axis. The installation rack is mounted between the precision transmission bolt component positioning device and the air cylinder clamping device. The vacuum system provides simulated conditions of vacuum operation for the car brake master cylinder and the vacuum booster assembly that are detected, and can simulate the working state of the car brake master cylinder and the vacuum booster assembly in driving to detect the idle stroke of the cylinder and the assembly. By the connection of the precision transmission bolt component positioning device with the car brake master cylinder and the vacuum booster assembly, zero alignment is conducted, the idle stroke ...

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Номер записи: 5