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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 8. Отображено 8.
06-06-2023 дата публикации

Enhanced strain connecting plate design method based on morphology optimization

Номер: CN116227147A
Автор: WU CHUAN, YE ZHONGFEI, CAI DAODA, LIU ZEHUI, YAN BO, TAO YAGUANG, GAO YINGBO, ZHANG BO, SUN YUNTAO, LU GUILAI, LIU GUANGHUI, CHUI XIAOYI, LI QING, MA LUN, ZHANG SHIYAO, XIE KAI, GAO CHAO, CHEN ZHAO, ZHANG SHUAI, SONG GAOLI, LI MENGLI
Принадлежит:

The invention discloses a shape optimization-based reinforced strain connecting plate design method, which comprises the following steps of S1, determining an initial model of topological optimization, and setting a fixed area and a design area; s2, a design variable, a target function and a constraint condition of topological optimization are determined, the design variable is a shape change quantity of each sub-region in a design region, the target function is a load scale factor corresponding to a first-order buckling mode of the maximized tension yoke plate, and the constraint condition is that the distribution rate of beads is smaller than a limit value; s3, carrying out topological optimization on the initial model of the tension yoke plate; s4, reasonable reinforcement optimization design of the tension yoke plate is obtained in combination with the machining cost and difficulty; and S5, performing nonlinear buckling analysis on the reasonable reinforcement optimization design of ...

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Номер записи: 1
09-04-2021 дата публикации

Anti-galloping spacer in eight-split form

Номер: CN212935483U
Автор: ZHAO SHUJIE, YANG XIAOHUI, LIU GUANGHUI, LU GUILAI, WANG HUIPING, JIA DI, LYU ZHONGBIN, YANG WEI, WANG JI, WANG CHAO, ZHANG BO, WU MINGXIAO, YE ZHONGFEI, ZHOU SHAOZHEN, WU CHUAN, LI XUEHUAN, TAO YAGUANG, ZHENG CHAOLIANG, 赵书杰, 杨晓辉, 刘光辉, 陆桂来, 王慧萍, 贾迪, 吕中宾, 杨威, 王吉, 王超, 张博, 吴明孝, 叶中飞, 周少珍, 伍川, 李雪桓, 陶亚光, 郑朝良
Принадлежит: ELECTRIC POWER RES INST STATE GRID HENAN ELECTRIC POWER CO, NANJING ELECTRIC POWER METAL TOOLS DESIGN RES INSTITUTE CO LTD, STATE GRID CORP CHINA, ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID HENAN ELECTRIC POWER COMPANY, NANJING ELECTRIC POWER METAL TOOLS DESIGN RESEARCH INSTITUTE CO., LTD., STATE GRID CORPORATION OF CHINA, 国网河南省电力公司电力科学研究院, 南京电力金具设计研究院有限公司, 国家电网有限公司

The utility model discloses an eight-split type anti-galloping spacer which comprises spacer frame plates, rotating joints and connecting wire clamps, the number of the spacer connecting wire clamps is eight, the eight-split type spacer frame plates are correspondingly arranged, the eight-split type spacer is connected with the spacer frame plates through the rotating joints, rotating joint grooves are formed in the rotating joints, and the rotating joints are connected with the eight-split type spacer frame plates through the rotating joints. The rotating joint groove limiting bosses are arranged at the two ends of the inner side of the rotating joint groove, the rotating joint rubber pad is arranged on the inner side of the rotating joint groove, the connecting wire clamp is arranged at the upper end of the rotating joint rubber pad, and the connecting wire clamp, the rotating joint rubber pad and the rotating joint are connected through the rotating shaft connecting bolt. According to ...

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Номер записи: 2
25-03-2015 дата публикации

Solid insulation ring main unit main insulation module

Номер: CN104466698A
Автор: CHEN GUIGAO, LU JIAMING, ZHANG LI'NA, LU GUILAI, DAI FANGBI
Принадлежит:

The invention provides a solid insulation ring main unit main insulation module which comprises an epoxy body, an isolation knife, an isolation knife fixed contact, a vacuum arc extinguish chamber and a conductor. The vacuum arc extinguish chamber is horizontally cast in the epoxy body and is fixedly connected with the conductor through a bolt. A cable joint connecting hole is formed in the epoxy body and connected with the conductor. The epoxy body is provided with a plurality of bus connecting holes and an isolation knife movement cavity. The end of the isolation knife fixed contact is cast into the epoxy body. The other end of the isolation knife fixed contact extends into the isolation knife movement cavity. The isolation knife is arranged in the isolation knife movement cavity. According to the solid insulation ring main unit main insulation module, the operating difficulty of a solid insulation ring main unit is lowered, the bus boundary dimension is reduced, the bus connecting way ...

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Номер записи: 3
11-06-2014 дата публикации

Fatigue life calculation method for shaft parts

Номер: CN103853899A
Автор: XU ZHIWEI, LU JIAMING, LU GUILAI, ZHAO YUN, LU WEI
Принадлежит:

The invention provides a fatigue life calculation method for shaft parts. The fatigue life of a shaft part is accurately calculated by steps of establishing a finite element model of the shaft part to be measured, dividing grids, analyzing and calculating a static force, calculating the initial lives of fatigue cracks, calculating the initial lives of a plurality of groups of fatigue cracks with different diameters and transition corners, and establishing a partial least square fatigue life calculation model. By adopting the fatigue life calculation method for shaft parts, the fatigue life of a shaft part can be accurately analyzed and the analysis time is greatly reduced. By adopting the fatigue life calculation method for shaft parts, the structure design of a shaft part is more reasonable and can be quantitatively controlled. The fatigue life calculation method for shaft parts has excellent universality and can be spread and applied to the design calculation of shaft parts made of other ...

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Номер записи: 4
01-04-2015 дата публикации

Fuse unit for solid insulation ring main unit

Номер: CN104485599A
Автор: CHEN GUIGAO, LI CHANG, LU GUILAI, ZHANG LI'NA, XU ZHIWEI
Принадлежит:

The invention provides a fuse unit for a solid insulation ring main unit. The fuse unit comprises a fuse unit body and a fuse unit end cover, wherein the fuse unit body comprises a tail conducting ring, a head conducting ring, a conductive copper bar, an auxiliary grounding switch, a cable joint conductor and fuse unit epoxy; the tail conducting ring, the head conducting ring, the conductive copper bar, the auxiliary grounding switch and the cable joint conductor are fixedly sealed in the fuse unit epoxy; the head conducting ring is respectively connected with the cable joint conductor and the auxiliary grounding switch through the conductive copper bar; the cable joint conductor is connected with a cable connector; the tail part of the fuse unit epoxy is provided with a tapered head connected with a main insulating module; the tail conducting ring is arranged in the tapered head; the fuse unit epoxy is provided with a fuse cavity and a cable connector; the end part of the fuse unit body ...

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Номер записи: 5
18-04-2023 дата публикации

Tension yoke plate stability checking method considering initial geometric defects

Номер: CN115982886A
Автор: LIU ZEHUI, ZHANG BO, LI QING, WU CHUAN, CAI DAODA, YE ZHONGFEI, YAN BO, TAO YAGUANG, GAO YINGBO, LIU GUANGHUI, CHUI XIAOYI, MA LUN, ZHANG SHIYAO, XIE KAI, GAO CHAO, CHEN ZHAO, WANG HUIPING, SUN YUNTAO, LU GUILAI, ZHANG SHUAI, SONG GAOLI, LI MENGLI
Принадлежит:

The invention discloses a tension yoke plate stability checking method considering initial geometric defects, which comprises the following steps of: performing characteristic value buckling analysis on a tension yoke plate to obtain a buckling mode of the tension yoke plate; introducing a buckling mode of the tension yoke plate as an initial geometric defect of the tension yoke plate, and performing nonlinear buckling analysis on the tension yoke plate to obtain a nonlinear buckling load of the tension yoke plate; the method comprises the following steps: selecting a plurality of typical tension yoke plate samples to carry out a buckling tensile experiment to obtain a real buckling load of the tension yoke plate, and carrying out comparative analysis on the real buckling load and a nonlinear buckling load of the tension yoke plate to obtain an initial defect degree range of the tension yoke plate; and determining the minimum buckling load of the tension yoke plate according to the initial ...

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Номер записи: 6
18-04-2023 дата публикации

Optimized cable-stayed string type ground wire ice melting automatic wiring device

Номер: CN115986630A
Автор: LI QI, CHEN ZUOXIN, LI CHENGTAO, GU LI, LU GUILAI, CAO WEIWEI, ZHANG LI'NA, YU HAIPENG, GUI CHENCHEN
Принадлежит:

The invention discloses an optimized cable-stayed string type ground wire ice-melting automatic wiring device which comprises a transmission mechanism arranged below an iron tower cross arm of an iron tower, the transmission mechanism is connected with an opening and closing conductive device, one end of the opening and closing conductive device is connected with an electrical control system through a ground wire, and the other end of the opening and closing conductive device is connected with a power supply. One end of the first cross arm platform is provided with an adjustable contact, the other end of the first cross arm platform is provided with an adjustable contact, and the rigid jumper insulator string is arranged below the first cross arm platform. A rigid cable-stayed insulator string is obliquely arranged between each of first connecting points arranged on the two sides of the iron tower cross arm and each of second connecting points arranged on the two sides of the cable-stayed ...

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Номер записи: 7
01-04-2015 дата публикации

Composite material substation structure

Номер: CN104481178A
Автор: ZHOU QING, LU JIAMING, LU GUILAI, LI RUOGU, GONG JUN
Принадлежит:

The invention provides a composite material substation structure. The composite material substation structure comprises herringbone columns, cross beams, ground wire columns, diagonal draw bars, wire hanging tube clamps, lightning rods, lightning conductors and crawling ladder assemblies, wherein ground wire column connectors are arranged on the tops of the herringbone columns, and cross beam connectors are arranged on the two sides of the herringbone columns; one ground wire column is mounted on the top of each herringbone column; one cross beam is connected between the two herringbone columns; the tops of the ground wire columns are connected with the wire hanging tube clamps in the middle parts of the cross beams through the diagonal draw bars; one or more cable-stayed structural gantry frames are formed; the wire hanging tube clamps mounted on the cross beams serve as wire hanging point connectors, the wire hanging tube clamps are made of rolled steel, aluminum alloy or a non-metallic ...

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Номер записи: 8