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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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Форма поиска

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 11. Отображено 11.
05-08-2015 дата публикации

Hydraulic pump

Номер: CN104819114A
Принадлежит:

The invention discloses a hydraulic pump which comprises a pump body and a motor, wherein the motor drives a small gear; the small gear is meshed with a big gear; the big gear is fixed with a main shaft in a coaxial mode; the main shaft is fixed via rolling bearings above and below the pump body; an inclined plane disc is fixed on the main shaft; a plurality of groups of plunger pumps are evenly fixed on the underside of the pump body; a sliding cap is arranged above the piston of the plunger pump, and reset spring is arranged below the sliding cap; the sliding cap props against the lower side of the inclined plane disc; an oil inlet pipe of the plunger pump is connected with an oil storing tank at the lower side; an oil outlet pipe of the plunger pump is connected with a total oil outlet pipe; the hydraulic pump has the advantages that the inclined plane disc is adopted, each plunger pump finishes moving up and down when the inclined plane disc rotates for a circle, the pressure of each ...

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07-10-2015 дата публикации

Become rigidity speed controller

Номер: CN0204690623U
Принадлежит:

The utility model discloses a become rigidity speed controller for the restriction vehicle speed of traveling mainly comprises air brake, torsion shaft, fixing device and hydraulic means, and hydraulic means includes non -return valve, moving blade, fixed blade, piston, hydraulic pressure casing, and fixing device includes fixing device casing, rag bolt and fixed plate. Fixing device shell extend portion sets up the through -hole, connects rag bolt. The torsion shaft has 2, and the centre is fixed on fixing device, and both ends are passed hydraulic means and air brake and are connected, and fixed blade and hydraulic pressure casing are connected as an organic wholely, and the hydraulic pressure casing is fixed with the fixed plate is integrative, and the moving blade is connected with the torsion shaft outer end. The utility model has the advantages of realize that with low costs, convenient operation, speed limit effect are obvious.

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27-08-2014 дата публикации

Mechanical movement demonstration teaching aid

Номер: CN104008691A
Принадлежит:

The invention discloses a mechanical movement demonstration teaching aid and relates to the field of mechanical classroom teaching aids. The teaching aid comprises a power mechanism, a transmission mechanism, a crank and rocker mechanism, a first slider mechanism, a cam mechanism, a second slider mechanism and a fixing box, wherein the transmission mechanism, the crank and rocker mechanism, the first slider mechanism, the cam mechanism and the second slider mechanism are installed in the fixing box, the power mechanism is connected with the transmission mechanism, the transmission mechanism comprises two output shafts, the crank and rocker mechanism comprises a crank, a first connecting rod and a rocker, and the cam mechanism comprises a cam, a driven member and a second connecting rod. The power mechanism and the transmission mechanism are adopted for the teaching aid to drive the other mechanical mechanisms to operate, the teaching aid is simple and ingenious in structure, easy and convenient ...

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18-08-2023 дата публикации

Ecological restoration process display method and system, terminal equipment and storage medium

Номер: CN116611713A
Принадлежит:

The invention provides an ecological restoration process display method and system, terminal equipment and a storage medium. The method comprises the steps that a restoration area is divided into a plurality of units, and initial environment information and images are collected; detecting restoration environment information and images of the acquisition unit every other preset node; establishing an evaluation index according to the area features of the restoration area, performing clustering analysis on the restoration environment information in each unit based on the evaluation index, and generating a restoration index of the evaluation index of the unit in the node; summarizing the repair indexes of the evaluation indexes in each unit in the nodes one by one to generate a repair index graph, and generating a time axis repair track of each evaluation index based on the repair index graph; splicing the restoration environment images of each unit in the same node one by one to generate a ...

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27-08-2014 дата публикации

Mechanical-drive classroom teaching aid

Номер: CN104008695A
Принадлежит:

The invention discloses a mechanical-drive classroom teaching aid and belongs to the field of mechanical classroom teaching aids. The mechanical-drive classroom teaching aid comprises a hinge buckle and a plurality of book page devices installed on the hinge buckle, each book page device comprises a transparent shell and a mechanical movement structure installed in the shell, and the mechanical movement structure of each book page device comprises one or more of a power mechanism, a double-crank mechanism, a double-rocker mechanism, a crank and rocker mechanism, a cam mechanism and a gear mechanism. The mechanical-drive classroom teaching aid can make a demonstration continuously move through operation of the mechanical mechanisms, meanwhile, the classroom teaching aid is simple and ingenious in structure, easy and convenient to operate and capable of showing the mechanical movement principle in teaching concisely and clearly and improving the teaching quality, the teaching aid is fixed ...

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27-08-2014 дата публикации

Gear training aid

Номер: CN104008692A
Принадлежит:

The invention discloses a gear training aid, and belongs to the field of teaching apparatuses. The gear training aid comprises a frame, a clockwork spring, a first outer gear, a second outer gear, a third outer gear, a connecting rod, a fourth outer gear and a fifth outer gear, wherein the clockwork spring is arranged inside the frame, the first outer gear and the second outer gear are fixed into the frame in a rotatable mode, the third outer gear is coaxially connected with the second outer gear, the clockwork spring is sleeved with the first outer gear, the inner wall of the first outer gear is connected with the output end of the clockwork spring, the second outer gear is meshed with the first outer gear, one end of the connecting rod is fixed to a rotating shaft of the second outer gear, the other end of the connecting rod is fixed to a rotating shaft of the fourth outer gear, the fifth outer gear is installed in the middle of the connecting rod in a rotatable mode, and the fifth outer ...

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25-03-2015 дата публикации

Helmet providing clean air source

Номер: CN104432911A
Автор: FANG GUOHUI, SUN YUHUI
Принадлежит:

The invention relates to a helmet, in particular to a helmet providing a clean air source. According to the technical scheme, the helmet providing the clean air source comprises a helmet body, a mask and a clean air source providing device, a helmet lining is arranged in the helmet body, the mask is arranged at the front end of the helmet body, the length of the mask is larger than that of a nostril of a person, the clean air source providing device comprises an air supply pipe, a shell body, an air filtering element, an electric fan, a motor and a power supply, the shell body is provided with an air inlet and an air outlet, the air filtering element is arranged at the air inlet, an air blowing opening of the electric fan is toward the air outlet, the motor is used for driving the electric fan, the power supply provides energy for the motor, a groove is formed in the helmet lining, the air supply pipe is arranged in the groove, the tail end of the air supply pipe is fixedly connected with ...

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27-08-2014 дата публикации

Four-bar mechanism teaching aid

Номер: CN104008693A
Принадлежит:

The invention discloses a four-bar mechanism teaching aid, and belongs to the technical field of machinery class teaching aids. The four-bar mechanism teaching aid comprises a spring, a transmission gear, a first connecting bar, a second connecting bar, a third connecting bar, a fourth connecting bar, a fifth connecting bar, a sixth connecting bar, a seventh connecting bar, an eighth connecting bar and a bottom plate. A gear shaft of the transmission gear is installed on the bottom plate in a rotation mode. The spring is meshed with the transmission gear. One end of the first connecting bar is fixed to the gear shaft. The first connecting bar, the second connecting bar and the third connecting bar form a double-crank mechanism. The first connecting bar, the third connecting bar and the fourth connecting bar form another double-crank mechanism. The fourth connecting bar, the fifth connecting bar and the sixth connecting bar form a crank rocker mechanism. The sixth connecting bar, the seventh ...

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21-05-2014 дата публикации

Method for preparing submicron silicon carbide powder

Номер: CN103803981A
Принадлежит:

The invention mainly relates to a method for preparing submicron silicon carbide powder. The method comprises the following steps of performing floatation on a silicon carbide raw material recycled from an iron metamaterial or a carbon metamaterial or a dust removal material for impurity and carbon removal, grinding the silicon carbide raw material, purifying the silicon carbide raw material sequentially by using alkali and acid, and drying and crushing the purified silicon carbide raw material to finally obtain high-quality submicron silicon carbide powder by using non-fluidized bed drying equipment. According to the method, a physical purification mode and a chemical purification mode are simultaneously used for treating low-SiC content powder to obtain high-quality silicon carbide powder with SiC content of more than or equal to 98.5 percent, the D50 of the powder is less than or equal to 0.75 micron, and a packaged product can be prevented from being caked in a using process; high-SiC ...

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16-09-2015 дата публикации

Hydraulic pump

Номер: CN0204646572U
Принадлежит:

The utility model discloses a hydraulic pump, including the pump body, motor, its characterized in that: the motor drive pinion, pinion and large gear, the gear wheel is coaxial fixed with the main shaft, the antifriction bearing that the main shaft passes through pump body top and below is fixed, the inclined plane disc is fixed on the main shaft, the even fixed multiunit plunger pump that sets up on the bottom surface of the pump body, the piston top of plunger pump sets up smooth cap, and the below of smooth cap sets up the playback spring, the below butt of smooth cap and inclined plane disc, the oil storage tank intercommunication that enters oil pipe and below of plunger pump, the play oil pipe of plunger pump and always go out the oil pipe intercommunication, the utility model has the advantages that: owing to adopt the inclined plane disc, when the rotatory a week of inclined plane disc, an up -and -down motion is accomplished to every plunger pump, and the pressure of every plunger ...

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27-08-2014 дата публикации

Teaching aid for drawing contour curve of cam

Номер: CN104008694A
Принадлежит:

The invention discloses a teaching aid for drawing the contour curve of a cam and belongs to the field of teaching aids. The teaching aid comprises a box, a power unit, a driving gear, an L-shaped rod, a two-link mechanism, a telescopic device, a small cylinder, a rack, a transmission gear and the cam. The box comprises a first panel. The power unit comprises a power gear. The power unit, the driving gear and the rack are installed on the first panel. The power gear is meshed with the driving gear. One end of the two-link mechanism is fixed to a rotary shaft of the driving gear. The L-shaped rod comprises a cross rod and a vertical rod which are connected with each other in a perpendicular mode. The other end of the two-link mechanism is rotatably connected with one end of the cross rod. The other end of the cross rod is connected with the vertical rod. The transmission gear is arranged at the other end of the cross rod and meshed with the rack. The cam is fixed to the transmission gear ...

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