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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 10. Отображено 10.
23-06-2023 дата публикации

Grinding and polishing machine for inner wall of large square medical stainless steel tank and control method of grinding and polishing machine

Номер: CN116276498A
Автор: JI SHIJUN, CHEN JIAHAO, WU DI, ZHAO JI, ZHOU LINA, ZHANG DASHUN, ZHANG ENZHONG, HU ZHIQING, DAI HANDA
Принадлежит:

The invention discloses a grinding and polishing machine for the inner wall of a large square medical stainless steel tank. A sliding rail and a single-row chain are fixed to a base. The driving spindle is rotationally connected to the middle of the base; the driving motor is fixed on the base and is in transmission connection with the driving spindle; the bottom disc guide rail mechanism, the middle disc mechanism and the top disc mechanism are sequentially connected to the driving main shaft through keys from bottom to top. The multiple grinding and polishing sleeve components are evenly distributed on the bottom disc guide rail mechanism, and the bottoms of the grinding and polishing sleeve components are matched with the single-row chain through chain wheels and limited through sliding rails. The multiple supporting shaft components correspond to the grinding and polishing sleeve supporting components one to one, are fixed to the bottom disc guide rail mechanism and are used for supporting ...

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Номер записи: 1
26-08-2009 дата публикации

Limiting and unloading device of movable blades on a vertical-axis wind turbine

Номер: CN0101514680A
Автор: QU JIANJUN, XU MINGWEI, DAI HANDA, GENG NIUNIU, JIANJUN QU, MINGWEI XU, HANDA DAI, NIUNIU GENG
Принадлежит:

A limiting and unloading device of movable blades on a vertical-axis wind turbine relates to a limiting and unloading device. The invention provides two schemes to solve the problem that the movable blades on the existing vertical-axis wind turbine fail to overcome the wind resistance and effectively unload in strong wind. In the first scheme, an angular contact ball bearing is mounted in the center hole of a limiting seat; an axial magnet groove is formed on the limiting seat; an iron block, a telescopic shaft and an electromagnet are arranged from top to bottom in the axial magnet groove; a spring is mounted in a housing; two connecting rods are arranged in two limiting grooves respectively, one end of each connecting rod is connected with the iron block and the other end thereof is connected with a pawl which can rotate around a connecting piece; and the top end of the pawl is in contact with a limiting baffle. The difference between the first scheme and the second scheme is as follows ...

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Номер записи: 2
09-05-2023 дата публикации

Automatic feeding, discharging and welding equipment for cotton suction flute pipe

Номер: CN116079178A
Автор: JI SHIJUN, JIA HAO, ZHAO JI, ZHANG ENZHONG, ZHANG DASHUN, HU ZHIQING, DAI HANDA
Принадлежит:

The invention discloses automatic feeding, discharging and welding equipment for cotton suction flute pipes. The automatic feeding, discharging and welding equipment comprises a pipe body stock bin feeding mechanism, a conveying belt mechanism, a pipe opening guiding mechanism, a rotary taking, placing and guiding mechanism, a discharging bin, a pipe opening feeding mechanism and a three-axis welding mechanism which are fixed to a base. The conveying belt mechanism is arranged close to one side of the pipe body stock bin feeding mechanism. The conveying belt mechanism, the rotary taking, placing and guiding mechanism and the discharging bin are sequentially arranged along the X axis. The pipe opening guide mechanism is located on one side of the rotary taking, placing and guide mechanism. The pipe opening feeding mechanism is fixed to the rotary taking, placing and guiding mechanism. The pipe body bin feeding mechanism conveys pipe bodies to the rotary taking, placing and guiding mechanism ...

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Номер записи: 3
24-06-2015 дата публикации

Automatic installation machine of internal clamp spring

Номер: CN104723071A
Автор: JI SHIJUN, SUN CHANGRUI, ZHAO JI, DAI HANDA, LIU YIJUN
Принадлежит:

The invention relates to an automatic installation machine of an internal clamp spring and belongs to the field of machine manufacturing. A cross beam stand column, a platform and a workpiece locating device are installed on a base, a clamp spring pushing device and a material barrel locating and clamping device are installed on the platform, a cross beam lead screw device for achieving movement in the Y direction is installed on the cross beam stand column, a stand column lead screw device is fixed to a sliding block of the cross beam lead screw device, and a hexagonal prism clamping table is connected with the stand column lead screw device. The automatic installation machine of the internal clamp spring has the advantages that the material barrel locating and clamping device is arranged and has pre-tightening pressure on the clamp spring in a clamp spring barrel, and the clamp spring can be well pushed through cooperation of the material barrel locating and clamping device and the clamp ...

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Номер записи: 4
15-10-2008 дата публикации

Water lubricating thrust bearing possessing annular groove

Номер: CN0101285500A
Автор: QU JIANJUN, DAI HANDA, JIANJUN QU, HANDA DAI
Принадлежит:

The invention discloses a water lubrication thrust bearing wit a ring grooves, relating to a thrust bearing. The invention solves the problems of bad performance of frictional wear, easy wear and cracking to a grinding disc, small bearing area, low bearing capacity, short service life, difficult fluid hydrodynamic lubrication, unreliable work process, complicated structure, large axial size, complicated processing process and high cost and so on of the prior thrust bearing. A friction surface (1) of the thrust bearing is provided with aequilate water grooves (2) along the radial direction, sector massive bearing surfaces is formed on the friction surface (1), and the sector massive bearing surfaces are provided with ring grooves (3). The water lubrication thrust bearing with the ring grooves has the advantages of high bearing capacity, long service life, easy fluid hydrodynamic lubrication, stable and reliable work process, simple structure, small axial size, simple processing process and ...

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Номер записи: 5
01-08-2023 дата публикации

Lens array automatic alignment assembling device and control method thereof

Номер: CN116520523A
Автор: JI SHIJUN, JIA HAO, ZHAO JI, ZHANG ENZHONG, ZHANG DASHUN, HU ZHIQING, DAI HANDA
Принадлежит:

The invention discloses a lens array automatic alignment assembly device and a control method thereof, an automatic leveling mechanism is fixed at the center position of a base, a centering clamping mechanism is fixed on a platform of the automatic leveling mechanism, the centering clamping mechanism is used for clamping a lens shell, and a lens array is placed in the lens shell. The four gluing mechanisms are fixed to the periphery of the centering and clamping mechanism respectively, the Z-axis moving module is fixed to the base, the CMOS camera is fixed to a sliding base of the Z-axis moving module, the CMOS camera is connected with the upper computer control system and used for automatic leveling of the centering and clamping mechanism and accurate alignment of a lens array, and the first mechanical arm and the second mechanical arm are located on the left side and the right side of the base respectively. The first mechanical arm is used for clamping a lens shell and placing the lens ...

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Номер записи: 6
05-06-2020 дата публикации

Gantry type coarse and fine composite five-axis precision machine tool

Номер: CN0210677068U
Автор: JI SHIJUN, LI JINGJIN, ZHAO JI, WANG HUIYAO, HE QIUWEI, DAI HANDA
Принадлежит: UNIV JILIN, JILIN UNIVERSITY

The utility model relates to a gantry type coarse and fine composite five-axis precision machine tool, and belongs to the field of precision machine tools. Wherein the machine frame is horizontally arranged, the X-Y feeding component is installed on the machine frame, the two-axis rotary table component is installed on the X-Y feeding component through a Y-direction sliding plate, the fast tool machining component and the fast removing component are installed on the two sides of a gantry-shaped middle cross beam through a guide rail base and a vertical plate respectively, and the detecting instrument is installed on a sliding plate of the fast tool machining component. The method has the advantages that the processing efficiency is high; machining precision is high, the machining precisionrequirement of rough milling and semi-finish milling can be met; a five-axis linkage machining method is adopted. Multi-angle flexible machining, the two-axis rotary table is compact in structure, high ...

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Номер записи: 7
05-01-2011 дата публикации

Limiting and unloading device of movable blades on a vertical-axis wind turbine

Номер: CN0101514680B
Автор: XU MINGWEI, DAI HANDA, GENG NIUNIU, QU JIANJUN, MINGWEI XU, HANDA DAI, NIUNIU GENG, JIANJUN QU
Принадлежит:

A limiting and unloading device of movable blades on a vertical-axis wind turbine relates to a limiting and unloading device. The invention provides two schemes to solve the problem that the movable blades on the existing vertical-axis wind turbine fail to overcome the wind resistance and effectively unload in strong wind. In the first scheme, an angular contact ball bearing is mounted in the center hole of a limiting seat; an axial magnet groove is formed on the limiting seat; an iron block, a telescopic shaft and an electromagnet are arranged from top to bottom in the axial magnet groove; aspring is mounted in a housing; two connecting rods are arranged in two limiting grooves respectively, one end of each connecting rod is connected with the iron block and the other end thereof is connected with a pawl which can rotate around a connecting piece; and the top end of the pawl is in contact with a limiting baffle. The difference between the first scheme and the second scheme is as follows ...

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Номер записи: 8
05-06-2020 дата публикации

Multi-dimensional ultrasonic-assisted magneto-rheological precise grinding and polishing machine tool

Номер: CN0210678029U
Автор: JI SHIJUN, SUN RENGQUAN, ZHAO JI, LI ZILONG, DAI HANDA, HE QIUWEI
Принадлежит: UNIV JILIN, JILIN UNIVERSITY

The utility model relates to a multi-dimensional ultrasonic-assisted magneto-rheological precise grinding and polishing machine tool, and belongs to the technical field of grinding and polishing machine tools. The two Y-direction moving rails are fixed to the left side and the right side of the machine tool base 1 correspondingly. The two Z-direction fixed bottom plates are fixed to the Y-direction moving rails on the left side and the right side respectively, the two Z-direction moving rails are fixed to the Z-direction fixed bottom plates respectively, the X-direction fixed bottom plates arefixed to the two Z-direction moving rails respectively, and the X-direction moving rails are fixed to the upper sides and the lower sides of the X-direction fixed bottom plates respectively. The magnetorheological fluid circulating device is fixed behind the middle of the machine tool base; the rotary worktable is fixed in front of the middle of the machine tool base; the tool head mounting plateis ...

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Номер записи: 9
08-07-2015 дата публикации

Shape follow-up lattice sucker automatic picking and assembling machine for irregular flexible gaskets

Номер: CN104759862A
Автор: JI SHIJUN, GAO HONG, ZHAO JI, DAI HANDA, LIU YIJUN, ZHANG ZUOHUA
Принадлежит:

The invention discloses a shape follow-up lattice sucker automatic picking and assembling machine for irregular flexible gaskets. The shape follow-up lattice sucker automatic picking and assembling machine for irregular flexible gaskets is aimed to solve the problem that a common assembling system is difficult to automatically assemble thin gaskets with large flexible and irregular shape and outline. A longitudinal move mechanism, a transverse move mechanism and a vacuum generating device are firmly arranged on a pedestal, the transverse move mechanism is vertical to the longitudinal move mechanism, a workbench is fixed on the longitudinal move mechanism, a lifting mechanism is capable of horizontally sliding along the transverse direction of the transverse move mechanism, an automatic selecting lattice vacuum sucker working head is firmly connected with the lifting mechanism, the automatic selecting lattice vacuum sucker working head is capable of reciprocating in the vertical direction ...

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Номер записи: 10