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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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Применить Всего найдено 9. Отображено 9.
14-04-2023 дата публикации

Method for rapidly adjusting and maintaining plate-type ballastless track filling layer of operation high-speed rail

Номер: CN115961509A
Автор: ZHENG XINGUO, LIU JING, LI SHUMING, JIN HAO, YANG HUAIZHI, DOU DONGBIN, CAI DEGOU, DONG WU, PAN YONGJIAN, ZHU XINGSHENG, ZHANG CHI, GU YONGLEI, DAI CHONG, GU WENCHAO, CHEN MIN, YAO JIANPING, LOU LIANGWEI, LIANG CHEN, TONG YINAN, YU QIANG, WEI SHAOWEI, ZHANG XU, ZHANG LIGANG, LIU WEN, WANG YOUNENG, LU MANCHENG, HONG JIAN, XUE GUANGBIN, WEN QIULIANG, WANG FENG, NIU KUIXIONG, BAO GUOJIE, YANG DEJUN, GUO CHAO, KUI HAIPENG, JOO KI-HYUNG, LIU XIANGHUI, DENG QINGSHAN, ZHANG YONGCHAO, LI KANG, ZHOU JUN, LI HONGFU, YU PEIYUN, RAO YUNBING, XIANG GONGKUN, LI SI, HU JIALIN, YE XIAOYU, DING WEI, ZHANG WENDA, CHEN YAN, CHAI JINCHUAN, LIU BOYING, FENG GUOJIU, HE QING, WANG WANCAI
Принадлежит:

The invention discloses a method for rapidly adjusting and maintaining a filling layer of a plate-type ballastless track of an operating high-speed rail, and belongs to the technical field of rail transit. According to the track data, the space position adjustment amount of the track plate is obtained; releasing the limiting device of the track plate; the track plate is lifted, so that the track plate is separated from the filling layer on the base; a part of each of the two sides of the filling layer on the base is chiseled away; an adhesion agent is sprayed on the remaining unchiseled filling layer on the base; a mesh is inserted between the base and the track plate, and the mesh covers the filling layer which is not chiseled away; adjusting the height of the track plate according to the space position adjustment amount of the track plate; and the two sides of the track plate are sealed, and a grouting material is poured between the base and the track plate. The whole existing filling ...

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Номер записи: 1
07-09-2011 дата публикации

Loading device and method for testing durability of cement-based material

Номер: CN0102175524A
Автор: HUISU CHEN, HAIFENG YUAN, LIN LIU, WEI SUN, HUAJIAN LI, GUOTANG ZHAO, YONGLEI GU, CHEN HUISU, YUAN HAIFENG, LIU LIN, SUN WEI, LI HUAJIAN, ZHAO GUOTANG, GU YONGLEI
Принадлежит:

The invention discloses a loading device for testing the durability of a cement-based material. The loading device comprises an inner circular ring, an outer circular ring and a base, wherein the inner circular ring and the outer circular ring are coaxially arranged on the base. A method for testing the durability of the cement-based material by using the loading device comprises the following steps of: 1, making cement-based material slurry; 2, pouring the cement-based material slurry between the inner circular ring and the outer circular ring to form a cement-based material slurry sample; 3, attaching a strain disc to the middle part of the inner wall of the inner circular ring and connecting the strain disc with a resistance strain instrument; 4, removing the outer circular ring and the base to form an environmental testing sample; and 5, performing standard curing on the environmental testing sample and observing the change of annular tensile stress by using the resistance strain instrument ...

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Номер записи: 2
12-05-2010 дата публикации

Full-automatic ballastless track plate fine adjustor

Номер: CN0101705650A
Автор: CAI HONG, GAO ZHISHUANG, GU YONGLEI, HU HUAJUN, LI ZHANGCHUN, LI GANG, LIU XIAODONG, ZHANG YAFEI, ZHAO CHANGYU, ZHAO GUOTANG, HONG CAI, ZHISHUANG GAO, YONGLEI GU, HUAJUN HU, ZHANGCHUN LI, GANG LI, XIAODONG LIU, YAFEI ZHANG, CHANGYU ZHAO, GUOTANG ZHAO
Принадлежит:

The invention discloses a full-automatic ballastless track plate fine adjustor, comprising a support frame and a moveable frame; the support frame are connected with each other by a six-degree-of-freedom platform system; the lower part of the support frame is provided with a supporting device and a travelling mechanism; the lower part of the moveable frame is provided with a grabbing mechanism; two sides of the support frame are respectively provided with a lateral limit wheel mechanism. After the grabbing mechanism grabs a track plate, the fine adjustor automatically adjusts the track plate through the six-degree-of-freedom platform system, and supporting and travelling of the fine adjustor are realized respectively by the supporting device and the travelling mechanism arranged at the lower part of the support frame. The fine adjustor has low labor intensity, fast adjusting speed, high adjusting accuracy, and few operation stuff, and is easy to realize full automatic adjustment.

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Номер записи: 3
02-06-2010 дата публикации

High-performance concrete for high-speed railway passenger special line plate type unballasted track

Номер: CN0101717227A
Автор: GU YONGLEI, LI ANJIE, LI XINGWANG, REN SHANGHUA, XI ZHONGWEI, XU CHUANBO, ZHAO GUOTANG, ZHU JIANLI, YONGLEI GU, ANJIE LI, XINGWANG LI, SHANGHUA REN, ZHONGWEI XI, CHUANBO XU, GUOTANG ZHAO, JIANLI ZHU
Принадлежит:

The invention discloses a high-performance concrete for high-speed railway passenger dedicated line plate type unballasted track, which comprises cement, ore powder, fly ash, fine aggregates, coarse aggregates, admixture and water and is characterized by comprising the components in percentage by weight: 15-18 percent of the cement, 1.5-2.5 percent of the ore powder, 0.8-1.5 percent of the fly ash, 24-29 percent of the fine aggregates, 44-49 percent of the coarse aggregates, 1.2-1.5 percent of the admixture and 5-5.7 percent of the water. In the invention, the production cost is low, the structure durability of the concrete is enhanced, and the durability indexes accord with the requirements of national standard specifications of China.

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Номер записи: 4
01-08-2023 дата публикации

Laser collimation deformation measurement system and method

Номер: CN116518865A
Автор: DONG ZHENSHI, YANG HUAIZHI, ZHU XINGSHENG, TIAN YUEXIN, XIAO XIANG, GU YONGLEI, TIAN HUIWEN
Принадлежит:

The invention provides a laser collimation deformation measurement system and method, and the system comprises a laser emission unit which is fixedly disposed on a to-be-measured structure and is used for emitting a laser beam in a first direction; the laser detection units are fixedly arranged on the to-be-detected structural object in sequence in the first direction, the laser beams penetrate through the laser detection units in sequence, and the laser detection units are used for detecting position coordinates of the laser beams and the shape and size of scattering imaging; and the terminal unit is respectively connected with the laser emission unit and the laser detection units, and is used for calculating the position coordinate change of the laser beam and the shape and size change of scattering imaging so as to determine the displacement and deflection of the measurement point where each laser detection unit is located. And the plurality of laser detection units determine the displacement ...

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Номер записи: 5
29-08-2012 дата публикации

High-performance concrete for high-speed railway passenger special line plate type unballasted track

Номер: CN0101717227B
Автор: YONGLEI GU, ANJIE LI, XINGWANG LI, SHANGHUA REN, ZHONGWEI XI, CHUANBO XU, GUOTANG ZHAO, JIANLI ZHU, GU YONGLEI, LI ANJIE, LI XINGWANG, REN SHANGHUA, XI ZHONGWEI, XU CHUANBO, ZHAO GUOTANG, ZHU JIANLI
Принадлежит:

The invention discloses a high-performance concrete for high-speed railway passenger dedicated line plate type unballasted track, which comprises cement, ore powder, fly ash, fine aggregates, coarse aggregates, admixture and water and is characterized in that: the ore powder is S95-S115 grinding ore powder, the admixture is non-delayed coagulation type polycarboxylic acid admixture with a slushing rate of 25%-35%, the cement occupies 15%-18% of the total weight, S95-S115 grinding ore powder occupies 1.5%-2.5% of the total weight, the fly ash occupies 0.8%-1.5% of the total weight, the fine aggregates occupy 24%-29% of the total weight, the coarse aggregates occupy 44%-49% of the total weight, the non-delayed coagulation type polycarboxylic acid admixture with a slushing rate of 25%-35% occupies 1.2%-1.5% of the weight of the cementing materials, and the water occupies 5%-5.7% of the total weight. In the invention, the production cost is low, the structure durability of the concrete is enhanced ...

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Номер записи: 6
23-05-2023 дата публикации

Longitudinal connecting plate type ballastless track filling layer repairing material and repairing method

Номер: CN116143488A
Автор: ZHENG XINGUO, LI SHUMING, JIN HAO, LIU JING, YANG HUAIZHI, DOU DONGBIN, TONG YINAN, CAI DEGOU, ZHANG LIGANG, ZHANG CHI, ZHU XINGSHENG, GU YONGLEI, LONG DONGSHENG, DAI CHONG, GU WENCHAO, CHEN MIN, YAO JIANPING, LOU LIANGWEI, LIANG CHEN, WEI SHAOWEI, ZHANG XU, WANG YOUNENG, CHEN XIAOLIN, WU BIN, ZHAO YONGZHI, SHEN WEI, ZHOU JUN, XU YONGJIE, LU MANCHENG, MENG XIN, HONG JIAN, PAN YONGJIAN, BAO GUOJIE, YANG DEJUN, GUO CHAO, KUI HAIPENG, LIU WEN, NIU KUIXIONG, LIU XIANGHUI, ZHANG YONGCHAO, DENG QINGSHAN, LI KANG, LI HONGFU, YU PEIYUN, RAO YUNBING, XIANG GONGKUN, LI SI, HU JIALIN, YE XIAOYU, DING WEI, ZHANG WENDA, CHAI JINCHUAN, LIU BOYING, FANG JIN, FENG GUOJIU, HE QING, WANG WANCAI
Принадлежит:

The invention discloses a repairing material for a filling layer of a longitudinally connected plate type ballastless track. The repairing material comprises 14-50 parts of an active component, 0.1-1 part of a penetrant, 0.1-2 parts of a reaction accelerator, 0.1-1 part of a water repellent agent, 0-1 part of a defoaming agent and 60-90 parts of a solvent, the invention further discloses a longitudinal connecting plate type ballastless track filling layer repairing method. According to the stress and deformation characteristics of the longitudinal connecting plate ballastless track structure, a specific grouting tool technology is adopted, and targeted repair of the filling layer part in a certain area below the rail bearing table with the maximum stress or the most serious abrasion is achieved. According to the method, the strength and compactness of the surface layer of the filling layer can be improved, the defects of an existing open joint filling and repairing method are overcome, ...

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Номер записи: 7
28-07-2010 дата публикации

Measurement centering device

Номер: CN0101788292A
Автор: YONGLEI GU, ANJIE LI, HONG LIU, KEXUE LU, ZHONGWEI XI, WANPENG XU, CHUANBO XU, YUJUN ZHANG, GUOTANG ZHAO, GU YONGLEI, LI ANJIE, LIU HONG, LU KEXUE, XI ZHONGWEI, XU WANPENG, XU CHUANBO, ZHANG YUJUN, ZHAO GUOTANG
Принадлежит:

The invention relates to a measurement centering device which comprises a pre-embedded piece and a switching device, one end of the switching device being connected to the pre-embedded piece and the other end being connected to a measurement instrument. The device is characterized in that the pre-embedded piece (1) is parallel and level with an embedded medium, the switching device includes a switching head 26, a switching disk 27 and a switching rod 28; the switching head 26, the switching disk 27 and the switching rod 28 are respectively connected to the pre-embedded piece and the measuring device. The measurement centering device can replace almost known plane, elevation measurement marks and forced centering measurement makers, have the characteristics of complete function, strong generality, convenient mounting, corrosion resistance, no extra space occupation, simple manufacture and low manufacturing cost.

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Номер записи: 8
11-04-2023 дата публикации

Method for improving interface connection performance between filling layer and track plate

Номер: CN115948942A
Автор: ZHENG XINGUO, LIU JING, LI SHUMING, DOU DONGBIN, JIN HAO, YANG HUAIZHI, LIU ZANQUN, ZHANG LIGANG, CAI DEGOU, LONG DONGSHENG, DONG WU, PAN YONGJIAN, ZHU XINGSHENG, ZHANG CHI, GU YONGLEI, DAI CHONG, GU WENCHAO, WU BIN, LI GUANGHUI, ZHAO YONGZHI, CHEN MIN, YAO JIANPING, LOU LIANGWEI, LIANG CHEN, TONG YINAN, YU QIANG, WEI SHAOWEI, ZHANG XU, LIU WEN, WANG YOUNENG, LU MANCHENG, HONG JIAN, XUE GUANGBIN, WEN QIULIANG, WANG FENG, NIU KUIXIONG, BAO GUOJIE, YANG DEJUN, GUO CHAO, JOO KI-HYUNG, LIU XIANGHUI, DENG QINGSHAN, ZHANG YONGCHAO, LI KANG, ZHOU JUN, LI HONGFU, YU PEIYUN, RAO YUNBING, XIANG GONGKUN, LI SI, HU JIALIN, YE XIAOYU, DING WEI, ZHANG WENDA, CHEN YAN, CHAI JINCHUAN, LIU BOYING, FENG GUOJIU, HE QING, WANG WANCAI
Принадлежит:

The invention discloses a method for improving interface connection performance between a filling layer and a track plate. The method comprises the following steps: preparing isolation cloth which is consistent with a bottom plate of the track plate in size and can permeate and adsorb cement paste on two sides; after track plate concrete is vibrated and flattened, isolation cloth is flatly laid at the bottom of the track plate, so that a slurry-rich layer on the surface of the track plate concrete permeates into the isolation cloth, and a strong-bonding compact cement slurry layer is formed by the slurry-rich layer and the isolation cloth; the method comprises the following steps: paving a track plate with isolation cloth adhered to the bottom, performing fine adjustment and edge sealing, then pouring self-compacting concrete, in the pouring process of the self-compacting concrete, enabling internal floating slurry to permeate into the isolation cloth adhered to the bottom surface of the ...

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Номер записи: 9