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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.
30-05-2023 дата публикации

Reverse welding horse plate technology for assembling, welding and positioning orthotropic steel bridge deck

Номер: CN116175060A
Принадлежит:

The invention discloses a reverse welding horse plate technology for assembling, welding and positioning orthotropic steel bridge deck slabs, which comprises the following steps of: 1, respectively fixing two orthotropic steel bridge deck slabs needing to be welded on a lifting platform, positioning the orthotropic steel bridge deck slabs, and arranging a movable welding platform between the two orthotropic steel bridge deck slabs; 2, material selection, size processing and pretreatment are conducted on the horse plate; 3, reversely welding the bridge plate below the two orthotropic steel bridge deck slabs needing to be welded through the movable welding platform; fourthly, backing welding is conducted on the weld joints above the two orthotropic steel bridge deck slabs; fifthly, the bridge plate is cut off from the bottom faces of the two orthotropic steel bridge deck slabs along the bridge plate weld legs; and sixthly, the two orthotropic steel bridge deck slabs are continuously welded ...

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20-10-2010 дата публикации

Steel box beam cable carrying lifter for construction of suspension bridge

Номер: CN0101863423A
Принадлежит:

The invention discloses a steel box beam cable carrying lifter for the construction of a suspension bridge, which comprises a lifting mechanism, a bearing mechanism and a traveling mechanism, wherein the lifting mechanism comprises a lifting windlass, a lifting wire rope and a hanging hook group; the bearing mechanism comprises a frame; the front and rear ends of the frame are provided with half slots matched with a main cable, while a middle part is provided with a groove matched with the top surface of a cable clip; a gliding prevention baffle plate is arranged at the rear end of the groove; frame pulleys are arranged on the left and right sides of the frame; the central lines of the frame pulleys are lower than the center of the main cable; pulley baffle plates are arranged between the frame pulleys; a space between the pulley baffle plates is matched with the width of the cable clip to prevent deflection; lifting holes are also reserved at the top of the frame; and the lifting wire ...

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30-06-2023 дата публикации

Steel truss girder end connecting process

Номер: CN116356668A
Принадлежит:

The invention discloses a steel truss girder end connection process, which belongs to the technical field of steel bridge connection processes, and comprises the following steps that a male joint of a to-be-spliced beam section port is jacked and inserted into a female joint of a spliced beam section port, the female joint of the spliced beam section port is provided with a jacking counter-force plate, the jacking counter-force plate is connected with a tensioning jacking device, and the tensioning jacking device is connected with a tensioning device; the to-be-spliced beam section port male joint is jacked towards the spliced beam section port female joint through a tensioning jacking device; after the to-be-spliced beam section port male joint is initially jacked in, a plurality of locking base plates are filled between the to-be-spliced beam section port male joint and the to-be-spliced beam section port male joint; and the stiffening rib plate of the male connector of the port of the ...

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30-10-2020 дата публикации

Epoxy asphalt concrete mixing and dissolving device

Номер: CN0211815363U

The utility model relates to an epoxy asphalt concrete mixing and dissolving device. The device comprises a stirring, mixing and dissolving mechanism and a mixing plant, the stirring, mixing and dissolving mechanism comprises a stirring tank, a stirrer and a stirring motor; the stirrer is arranged in the stirring tank; the stirring motor is connected with and drives the stirrer to rotate; whereinthe discharging end of the stirring tank is connected with the feeding end of the mixing plant, the device further comprises a pumping mechanism and a control center, the pumping mechanism comprises at least two pumping barrels, each pumping barrel is connected with a conveying pump, and the conveying pumps are used for pumping raw materials in the pumping barrels into the stirring tank; a first weighing sensor is arranged at the bottom end of each pumping barrel, and the stirring motor, each first weighing sensor and the conveying pump are electrically connected with the control center; and the ...

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18-07-2012 дата публикации

Steel box beam cable carrying lifter for construction of suspension bridge

Номер: CN0101863423B
Принадлежит:

The invention discloses a steel box beam cable carrying lifter for the construction of a suspension bridge, which comprises a lifting mechanism, a bearing mechanism and a traveling mechanism, wherein the lifting mechanism comprises a lifting windlass, a lifting wire rope and a hanging hook group; the bearing mechanism comprises a frame; the front and rear ends of the frame are provided with half slots matched with a main cable, while a middle part is provided with a groove matched with the top surface of a cable clip; a gliding prevention baffle plate is arranged at the rear end of the groove; frame pulleys are arranged on the left and right sides of the frame; the central lines of the frame pulleys are lower than the center of the main cable; pulley baffle plates are arranged between theframe pulleys; a space between the pulley baffle plates is matched with the width of the cable clip to prevent deflection; lifting holes are also reserved at the top of the frame; and the lifting wire rope ...

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