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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 и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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07-04-2023 дата публикации

Shield type tunneling robot with anti-impact drilling and advanced detection functions

Номер: CN115929337A
Автор: MA HONGWEI, WANG CHUANWEI, DUAN YOUYOU, MAO QINGHUA, XUE XUSHENG, LIU PENG, TIAN HAIBO, WANG PENG, XUE LIMENG, ZHANG HENG, WANG JIANKE, TERUO, SUN SIYA
Принадлежит:

The invention discloses a shield type tunneling robot with anti-scour drilling and advanced detection functions. The shield type tunneling robot is provided with an anti-scour drilling system, an advanced detection system and a shield type anti-scour pressure relief device. The anti-impact drilling system comprises a head-on anti-impact drilling device, a side wall anti-impact drilling device and a bottom plate anti-impact drilling device which are respectively used for completing head-on, side wall and bottom plate anti-impact drilling operation; the advanced detection system comprises an advanced detection device which is used for completing advanced detection operation of a mine. The shield type anti-impact pressure relief device is used for protecting the safety of tunneling operation, when rock burst comes, a hydraulic cylinder in the shield type anti-impact pressure relief device relieves pressure, a shield body mechanical structure is adopted to resist pressure, and safe operation ...

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Номер записи: 1
04-04-2023 дата публикации

Lightweight design method of rectangular shield temporary supporting device for coal mine tunnel tunneling

Номер: CN115906327A
Автор: MA HONGWEI, WANG CHUANWEI, WANG JIANKE, MAO QINGHUA, XUE XUSHENG, LIU PENG, TIAN HAIBO, WANG PENG, XUE LIMENG, ZHANG HENG, DUAN YOUYOU, TERUO
Принадлежит:

The invention relates to the technical field of coal mine supporting device design, in particular to a lightweight design method of a rectangular shield temporary supporting device for coal mine tunnel tunneling, which comprises the following steps: firstly, researching and analyzing a coupling relationship between the rectangular shield temporary supporting device and surrounding rock; secondly, dividing a shield temporary supporting device module and establishing a three-dimensional model; lightweight rough design is carried out based on a variable density topological optimization method in structural optimization, an optimization result serves as a basis for shape optimization and size optimization, and lightweight design of the rectangular shield temporary supporting device is further achieved; modular lightweight fusion matching is carried out on the modules with the large volume and mass ratio, and an optimal matching scheme is determined; finally, finite element software is adopted ...

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Номер записи: 2