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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.
27-08-2021 дата публикации

Irregular steel structure curved surface mechanism

Номер: CN214062381U

The utility model discloses an irregular steel structure curved surface mechanism which comprises a set of jig frames, a positioning plate and a set of part positioning templates, the positioning plate is arranged on the jig frames, and the part positioning templates are arranged on the outer sides of the jig frames and matched with the positioning plate. According to the irregular steel structure curved surface mechanism, the positioning plate is arranged on the jig frame, so that the jig frame plays a role in supporting and bearing, a construction unit can install parts needing to be installed on the surface of the jig frame according to the requirement of curved surface construction, the construction requirement of a special-shaped building can be well met, and the construction efficiency is improved. And meanwhile, a part positioning template is arranged, so that a very good positioning effect can be achieved, and the construction accuracy is improved.

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02-05-2023 дата публикации

Deep foundation pit water stop system and construction method

Номер: CN116043864A
Принадлежит:

The invention relates to the field of building construction, in particular to a deep foundation pit water stop system and a construction method. The deep foundation pit water stopping system comprises a foundation pit, a retaining wall layer, an underground diaphragm wall, a water retaining curtain and a construction road, the retaining wall layer is arranged in the circumferential direction of the foundation pit and comprises an inner retaining wall layer and an outer retaining wall layer which are coaxially arranged, the inner diameter of the inner retaining wall layer is equal to the diameter of the foundation pit, and the diameter of the outer retaining wall layer is larger than that of the inner retaining wall layer; the underground diaphragm wall is arranged between the inner protection wall layer and the outer protection wall layer; the water retaining curtain is arranged on the circle, away from the foundation pit, of the underground diaphragm wall in the circumferential direction ...

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