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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 2. Отображено 2.
21-07-2023 дата публикации

Flexible mounting structure for crankshaft of medium-speed diesel engine

Номер: CN116462119A
Автор: ZHANG CHANGHUI, XU XIAOPENG, LU NING, MA YUE, ZOU HAO, WANG LIANGBIN
Принадлежит:

The invention discloses a medium-speed diesel engine crankshaft flexible mounting structure which comprises a hydraulic flexible supporting structure, the hydraulic flexible supporting structure is higher than a bearing bush, the hydraulic flexible supporting structure comprises nylon rollers and a hydraulic piston, the two nylon rollers are fixedly connected with the hydraulic piston, and the two nylon rollers are fixedly connected with the hydraulic piston. In a working state, the crankshaft falls on the hydraulic flexible supporting structure after being lifted, so that the impact of the crankshaft is controlled, and a bearing bush is not damaged. When the hydraulic mechanism relieves pressure, the crankshaft can fall slowly, and therefore zero impact on a bearing bush in the crankshaft installation process is achieved. According to the invention, the operation requirement on an operator in the installation process of the crankshaft of the medium-speed diesel engine is reduced to the ...

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Номер записи: 1
04-04-2023 дата публикации

Deicing and snow melting early warning method and system for expressway in cold region

Номер: CN115909719A
Автор: MA YANLI, XU XIAOPENG
Принадлежит:

The invention relates to a deicing, snow melting and early warning method for a highway in a cold region, which comprises the following steps of: 1, collecting road condition data, detecting a road surface state by adopting ultrasonic waves, transmitting the ultrasonic waves, and judging the road surface state according to different root-mean-square voltage values of reflected ultrasonic wave echoes; step 2, collecting static data and dynamic data of the vehicle; traffic state information is calculated according to the vehicle dynamic data, and a vehicle speed limit value is determined. By adopting a vehicle-road cooperation mode, traffic flow information and vehicle state information can be comprehensively obtained in real time, more accurate road ice and snow states can be obtained by combining and using an ultrasonic detector, the speed limit value of the long and large downhill of the highway in the cold region can be more reasonably determined, and the ice and snow melting subsystem ...

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Номер записи: 2