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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.
30-04-2014 дата публикации

Coal mine gob-side entry retaining side supporting method

Номер: CN103758529A
Автор: ZHANG WEI, XIANG XIAOYU, MA ZHISHENG, CAI LAISHENG, LI ZHONGXUE, WANG ZHONGWU, CHEN GONG, LIU PENGCHENG, ZHANG SHUANG
Принадлежит:

The invention discloses a coal mine gob-side entry retaining side supporting method. The coal mine gob-side entry retaining side supporting method comprises the following steps of supporting the coal mine gob-side entry retaining side through intensive individual hydraulic supporting columns; constructing anchor cable supports for the gob-side entry retaining top plates based on the original rocker bolt supports, enabling the gob-side entry retaining to adopt double-line rocker bolt supports, enabling the distance between the rocker bolts to be 2 m and the row distance to be 2.2 m and enabling the anchor bolts which are close to one side of the coal wall to be installed along a certain inclination angle and the anchor bolts which are close to one side of a gob to be installed perpendicular to the top plates; constructing a row of single hydraulic supporting columns on the inner side of the intensive single hydraulic supporting columns after the designed pretress of the anchor bolts is achieved ...

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Номер записи: 1
24-06-2015 дата публикации

Coal and gangue classifier for exploiting thick coal seams with dirt band

Номер: CN104722471A
Автор: DAI JIN, TAN YUNLIANG, ZHANG WEI, XIANG XIAOYU, MA ZHISHENG, CAI LAISHENG, CHEN GONG, WANG ZHONGWU, YANG FUQIANG, WANG SHUAI
Принадлежит:

The invention discloses a coal and gangue classifier for exploiting thick coal seams with dirt band, and the coal and gangue classifier for exploiting the thick coal seams with the dirt band is mining equipment in matched use with a coal face scraper conveyer. The coal and gangue classifier for exploiting the thick coal seams with the dirt band is characterized in that the coal and gangue classifier is composed of three parts of a ramp pan, a coal and gangue classifier body and a tail wheel device; the ramp pan is composed of a scraper chute, a ramp pan upper ledge, a ramp pan bottom chute and a ramp pan support frame; the coal and gangue classifier body is composed of a separator beam, a separator beam joist, a coal and gangue classifier body upper ledge, a spillplate, a coal and gangue classifier body support frame and a coal and gangue classifier body lower ledge; the tail wheel device is composed of a machine tail side plate, a tail wheel device upper chute, a machine tail blind shaft ...

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Номер записи: 2
27-05-2015 дата публикации

Roadway roof supporting method of coal seam roof, soft rock roof or composite roof and for coal mine deep mining

Номер: CN104653203A
Автор: DAI JIN, TAN YUNLIANG, ZHANG WEI, XIANG XIAOYU, MA ZHISHENG, CAI LAISHENG, CHEN GONG, WANG ZHONGWU, YANG FUQIANG, WANG SHUAI
Принадлежит:

The invention discloses a roadway roof supporting method of a coal seam roof, a soft rock roof or a composite roof and for coal mine deep mining. The roadway roof supporting method comprises step 1, performing extension anchoring on coal walls through an extended anchor rod, wherein the coal walls are arranged on the bilateral sides of a roadway respectively; step 2, performing composite supporting on a shoulder roof through a shear resistance anchor rod and a shear resistance anchor cable and simultaneously locking a shoulder soft rock roof or a fracture development roof through the anchoring force in the shear resistance anchor rod and the shear resistance anchor cable, wherein the shoulder roof is close to the coal walls which are arranged on the bilateral sides of the roadway respectively; step 3, anchoring the coal seam roof, the soft rock roof or the composite roof on a hard roof through a high strength anchor cable in the middle of the roadway so as to reduce the bending degree and ...

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Номер записи: 3
06-08-2014 дата публикации

Device and method for simulation test of load-carrying property of gob-side entry retaining anchoring pack wall

Номер: CN103971585A
Автор: ZHAO TONGBIN, ZOU JIANCHAO, CAI LAISHENG, TAN YUNLIANG, YIN YANCHUN
Принадлежит:

The invention discloses a device and method for a simulation test of the load-carrying property of a gob-side entry retaining anchoring pack wall. The device is composed of a U-shaped filling groove, a load-carrying plate, anchoring filler and a displacement measuring device. The method comprises the steps that a laboratory loading control system is used for applying pressure on a pressure transmission structure, during compression, the movement distances of a displacement measuring rule and corresponding tester load values are recorded at certain intervals, and axial displacement values are recorded; according to the load values, the axial displacement values and transverse displacement values, the stress values and the strain values, generated at different moments during loading, of the transverse anchoring filler are obtained through conversion; finally, the stress-strain relation curve, generated during loading, of the filler is drawn, and therefore the load-carrying property parameter ...

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Номер записи: 4
27-05-2015 дата публикации

Coal mining method for coal and gangue separate recovery of coal seam with dirt band

Номер: CN104653182A
Автор: DAI JIN, TAN YUNLIANG, ZHANG WEI, XIANG XIAOYU, MA ZHISHENG, CAI LAISHENG, CHEN GONG, WANG ZHONGWU, YANG FUQIANG, WANG SHUAI
Принадлежит:

The invention discloses a coal mining method for coal and gangue separate recovery of a coal seam with dirt band. The coal mining method is characterized by reactively forming upper, middle and lower gate roadways in upper, middle and lower parts of a long-wall coal mining working face respectively, dividing the coal mining working face into upper and lower sections, mounting a conventional working face self-movable type hydraulic bracket on the upper section of the working face, managing a top plate by adopting a caving method; paving a normal scraper conveyor, mounting a motor on the upper end head of the working face for downwards conveying, downwards conveying mined coals and gangues to a coal and gangue separating table of the middle gate roadway through the scraper conveyor; and filling a mining region with gangues mined by the upper and lower sections of the working face due to the length of the lower section of the working face, mounting a self-movable type hydraulic filling bracket ...

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Номер записи: 5