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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 4. Отображено 4.
25-07-2023 дата публикации

Load rejection device, load rejection method and underwater equipment

Номер: CN116477032A
Автор: WANG HUAWEI, ZHANG XIAO, WANG LAOHU, HE ZI'AO, LI MUCHAO
Принадлежит:

The embodiment of the invention provides a load rejection device, a load rejection method and underwater equipment. The load rejection device includes: a gland including a main body having a main cross section; at least two actuators, each of which is configured to apply a first force to the gland perpendicular to a main cross-section of the body; the direction conversion mechanism is connected with the gland, and the first force is converted into second force perpendicular to the first force through direction conversion; and the load is detachably connected with the direction conversion mechanism, and the second force is constructed to enable the load to be separated from the load rejection device. The at least two actuators can apply external force to separate the load from the load rejection device, so that the stability and reliability of load rejection are improved.

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Номер записи: 1
08-08-2023 дата публикации

Hydropower station gate underwater leaking stoppage method

Номер: CN116556269A
Автор: JIA XIONG, LEI HAIWEI, MEI YUQING, WEN YU, ZHOU WU, CHEN GANG, ZENG HUI, LIU WEN, ZHANG HAILONG, WANG HUAWEI, ZHU SHUO, HE ZI'AO
Принадлежит:

According to the underwater leaking stoppage method for the hydropower station gate, leaking stoppage particles are screened, and when the leaking stoppage particles are filled, the size of the leaking stoppage particles loaded to the bottommost layer is evaluated according to the field water leakage condition. The leaking stoppage particles generally move obliquely downwards along with water flow in flowing water, and the higher the water flow speed is, the higher the movement speed is. When the leaking stoppage particles are put on the waterside of the gate, the leaking stoppage particles sink to the water bottom slowly due to the fact that the volume weight of the leaking stoppage particles is slightly larger than that of water, and when the leaking stoppage particles sink to the position near a water leakage point of the gate, the leaking stoppage particles are absorbed to the water leakage point along water flow under the action of surrounding high pressure due to the fact that pressure ...

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Номер записи: 2
04-07-2023 дата публикации

Underwater linear motion mechanism and underwater equipment with same

Номер: CN116374135A
Автор: ZHANG XIAO, LIU XIA, WANG HUAWEI, HE ZI'AO, WANG LAOHU
Принадлежит:

The invention provides an underwater linear motion mechanism and underwater equipment with the same, relates to the technical field of underwater equipment, and mainly aims to provide the underwater linear motion mechanism which does not need a power supply and electric signal control. The underwater linear motion mechanism comprises a depth-keeping liquid inlet unit and a linear motion unit. A liquid flow channel is arranged in the depth-keeping liquid inlet unit and can be switched between a connection state and a disconnection state along with the change of environmental pressure; the linear motion unit comprises a sealing cylinder and a push rod assembly. One end of the sealing cylinder is communicated with the liquid flow channel, and the other end of the sealing cylinder is provided with a push rod assembly in a penetrating manner; when the liquid flow channel is in the open state, environment liquid flow can flow into the sealing cylinder through the liquid flow channel and push ...

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Номер записи: 3
04-07-2023 дата публикации

Mechanical timing mechanism, timing load rejection device and underwater robot with same

Номер: CN116374134A
Автор: ZHANG XIAO, LIU XIA, WANG HUAWEI, HE ZI'AO, WANG LAOHU
Принадлежит:

The invention provides a mechanical timing mechanism, a timing load rejection device and an underwater robot with the timing load rejection device, relates to the technical field of underwater equipment, and mainly aims to provide a mechanical timing mechanism which is relatively reliable to use underwater and mechanical equipment applying the timing mechanism. The mechanical timing mechanism comprises at least two timing assemblies and a series connection assembly, the timing assemblies are of a mechanical structure, and all the timing assemblies are sequentially arranged along a fixed path; the series-connection assembly is located between two adjacent timing assemblies, and the number of the series-connection assembly is at least one; and when the timing operation of the timing assembly located at the front side of any series assembly is terminated, the timing assembly located at the rear side of the series assembly starts the timing operation. The mechanical timing assemblies can be ...

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Номер записи: 4