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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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Применить Всего найдено 2. Отображено 2.
16-10-2013 дата публикации

Bracket counter pull loading pre-pressing device and tensioning pre-pressing method thereof

Номер: CN103352429A
Автор: Zhao Zhi, Xie Lugao, Huang Zaihong, Qin Ruiqian, Wang Zhiyong, Ma Wenrong, Yan Shengping, Xia Fengquan, Liu Wei, Luo Kunqiang, He Mingming, Yang Linyi, Zhang Jun, Song Taohong, Gu Fujian, Chen Zhengbiao
Принадлежит:

The invention discloses a bracket counter pull loading pre-pressing device and a tensioning pre-pressing method of the bracket counter pull loading pre-pressing device, and belongs to the technical field of bridges. The bracket counter pull loading pre-pressing device is composed of an upper anchor system, a lower anchor system, steel strand bundles and tensioning jacks, wherein the upper anchor system is placed on a bracket, the lower anchor system is located below the upper anchor system, and the steel strand bundles connect the upper anchor system and the lower anchor system. The upper anchor system is composed of a plurality of distribution cross beams, at least two reinforcing longitudinal beams, a reinforcing cross beam and the tensioning jacks, wherein the distribution cross beams are placed on the top of the bracket, the reinforcing longitudinal beams are placed on the tops of the distribution cross beams, the reinforcing cross beam is placed on the tops of the reinforcing longitudinal ...

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Номер записи: 1
16-10-2013 дата публикации

Rectangular wind-resistant bracket

Номер: CN103352433A
Автор: Zhao Zhi, Xie Lugao, Huang Zaihong, Qin Ruiqian, Wang Zhiyong, Ma Wenrong, Yan Shengping, Xia Fengquan, Liu Wei, Luo Kunqiang, He Mingming, Yang Linyi, Zhang Jun, Song Taohong, Gu Fujian, Chen Zhengbiao
Принадлежит:

The invention discloses a rectangular wind-resistant bracket, and belongs to the technical field of bridges. The rectangular wind-resistant bracket comprises an upper main beam, a lower main beam, two inclined struts, bracing steel plates and an anchor plate, wherein the upper main beam and the lower main beam are located on the upper portion and the lower portion of the bracket respectively, the two inclined struts are located between the upper main beam and the lower main beam and connected with the upper main beam and the lower main beam, the bracing steel plates are connected and fixed with the inclined struts, the upper main beam and the lower main beam, and the anchor plate is arranged on the ends of the same side of the upper main beam and the lower main beam; the upper main beam, the lower main beam and the inclined struts are formed by two steel channels in a buckled mode respectively, a gap is reserved on each buckled position, full-length welding in an up-and-down mode is carried ...

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Номер записи: 2