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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.
11-04-2023 дата публикации

Construction method of foundation pit continuous wall

Номер: CN115949055A
Автор: ZHONG XIANQI, SHAO MENGXIN, GONG SHENG, YE RUICONG, PENG YONGBO, CHEN JINYUN, ZHU GUOCAI, XU JIANDE, XIAO RAN, LIN ZHENSHENG, HE QINGSHENG, ZHANG SHILIANG, LUO TINGYIN, LIN WEITIAN, DING NING, YAN XIAOYONG, LI HUANJIE
Принадлежит:

The invention discloses a construction method of a foundation pit continuous wall, and relates to the technical field of deep foundation pit supporting in constructional engineering, a starting well and a receiving well are respectively arranged at four corners of a predicted foundation pit, continuous wall prefabricated blocks are hoisted in the starting well section by section, and a plurality of sections of continuous wall prefabricated blocks form continuous wall prefabricated blocks through temporary fixing measures; every time the excavation of a groove section is completed, a continuous wall precast block is pushed through a pushing system immediately, and the continuous wall precast blocks are installed and pushed repeatedly until the first continuous wall precast block is pushed to the receiving well; and then the pushing direction of the pushing device is adjusted, continuous wall pushing construction between the starting well and the other receiving well continues to be conducted ...

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Номер записи: 1
30-10-2020 дата публикации

Remote sensing surveying and mapping unmanned aerial vehicle convenient to use

Номер: CN0211810230U
Автор: LIN WEITIAN, CHENG QINGSHENG
Принадлежит: LIN WEITIAN

The utility model discloses a remote sensing surveying and mapping unmanned aerial vehicle convenient to use. Machine body, the right end of the bottom of the inner cavity of the machine body is fixedly connected with a base; a first motor is fixedly installed at the top of the base, an output shaft of the first motor is fixedly connected with a first rotating rod, the right end of the first rotating rod is fixedly connected with a first bevel gear, the bottom of the first bevel gear is connected with a second bevel gear in an engaged mode, and the middle end of the bottom of the second bevelgear is fixedly connected with a third rotating rod. According to the utility model, the first motor, the first rotating rod, the first bevel gear, the second bevel gear, the third rotating rod, the turntable, the second mounting block, the first shaft rod, the connecting rod and the cylinder are used; therefore, the purpose of convenient use is achieved, and the problems that an existing remote sensing ...

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Номер записи: 2