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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 11. Отображено 11.
14-07-2023 дата публикации

Laser array-based main cable strand positioning adjustment and measurement method and system and storage medium

Номер: CN116428977A
Автор: DAI XIHUA, TANG MAOLIN, LI JIAN, LIU SHUANG, YUAN CHENGZHONG, WANG HAILEI, TANG LIANG, WANG XIAOJIA, LI PINGLI, ZOU YONG
Принадлежит:

The invention discloses a main cable strand positioning adjusting and measuring method and system based on a laser array and a storage medium. The method comprises the steps that at least one measuring set is arranged in the erecting direction of a main cable strand; and carrying out self-calibration on the measurement group, and obtaining basic information of the measurement group at the same time. According to the method, the relative position relation between the erected cable strands in the main cable strand is obtained by analyzing the data, collected by the measurement group and the measurement response group, of the erected cable strands in the main cable strand in multiple different state time periods, and then the relative height difference of the erected cable strands in the main cable strand is deduced; therefore, the influence of environmental factors on the detection precision of each erected cable strand in the main cable strand is not considered, and the measurement precision ...

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Номер записи: 1
11-08-2023 дата публикации

High-bearing-capacity low-dead-weight cast-weld combined main cable saddle and manufacturing method thereof

Номер: CN116575329A
Автор: CUI BING, XU JUN, CHEN WEILE, DAI XIHUA, LI JIAN, ZHANG TAIKE, CHAI ZHENCHAO, ZHANG LONG, ZHU YAOYU, WU LINGZHENG, LI WEIJIE, FAN SIZHONG, GUO FENGCHAO, LI WEI, LING SIWEI
Принадлежит:

The invention discloses a cast-weld combined main cable saddle with high bearing capacity and low dead weight and a manufacturing method of the cast-weld combined main cable saddle, and the cast-weld combined main cable saddle comprises a first saddle body, second saddle bodies, cable bearing grooves, saddle head side walls, continuous middle longitudinal ribs, first transverse ribs, second transverse ribs, discontinuous edge longitudinal ribs, a bottom plate and gaskets, the two second transverse ribs are attached and fixed, the cable bearing grooves are fixedly formed in the tops of the first saddle bodies and the tops of the second saddle bodies, the saddle head side walls are fixedly connected to the two sides of the cable bearing grooves, the continuous middle longitudinal ribs and the discontinuous edge longitudinal ribs are fixedly supported between the bottom plate and the cable bearing grooves, and the first transverse ribs are symmetrically distributed towards the two sides along ...

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Номер записи: 2
26-05-2010 дата публикации

Anchor drawplate type cable-beam anchorage structure for cable-stayed bridge

Номер: CN0101713166A
Автор: Dai Xihua, Li Jiangshan, Liang Linong, Liang Zhuoxian, Sun Xiangdong, Wang Qiang
Принадлежит:

The invention discloses an anchor drawplate type cable-beam anchorage structure for a cable-stayed bridge, which comprises a main steel beam and an anchor drawplate component, wherein the anchor drawplate component is arranged on the top surface of the main steel beam; the anchor drawplate component comprises an anchor drawplate, an anchor pipe and an anchor backing plate, wherein the anchor pipe is used for penetrating a stayed-cable; the anchor backing plate is arranged at the bottom of the anchor pipe and installed vertically to the anchor pipe; a counter bore-shaped groove is arranged in the top center position of the anchor drawplate along a central axis direction; the anchor pipe is installed at the upper part of the groove; a through hole corresponding to a pipe orifice of the anchor pipe is arranged on the anchor backing plate; a stayed-cable anchor head connected with a stayed-cable end head is installed at the lower part of the groove; a longitudinal web plate of the main steel ...

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Номер записи: 3
02-12-2015 дата публикации

Solid device of stranded finished product cable formula anchorage prestressed anchorage

Номер: CN0204825648U
Автор: WU MINGYUAN, XIE ZHENGYUAN, WU YUGANG, YA GANG, DAI XIHUA, MEI GANG, CHEN ZHANLI, SU QIANG, WU DONGMING, DOU BINLONG
Принадлежит:

The utility model provides a solid device of stranded finished product cable formula anchorage prestressed anchorage, includes prestressed concrete anchor part and burst connection of main push -towing rope cable partly, the prestressed concrete anchor partly includes pre -buried subassembly, anchor cable thigh and nut component in the concrete, anchor cable thigh is at the manufactured finished product of interplant cable, the pre -buried intraductal no anti -corrosion material of pre -buried subassembly, anchor cable thigh has n thigh finished product cable, has n to be used for the anchor eye of anchor finished product cable on the connector, and n thigh finished product cable passes connector, bearing plate respectively, both ends with sphere nut, the anchor of spherical washer difference on connector or bearing plate, the useful load of the n -1 root finished product cable of anchor cable strand must be greater than the design load of anchored main push -towing rope cable strand, and ...

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Номер записи: 4
11-08-2023 дата публикации

Novel positioning device suitable for bottom of steel pylon and construction method

Номер: CN116575336A
Автор: CUI BING, XU JUN, CHEN WEILE, LI JIAN, DAI XIHUA, ZHANG TAIKE, CHAI ZHENCHAO, ZHAO LEI, ZHU YAOYU, WANG YUNPENG, WU LINGZHENG, LIN FUKUAN, GUO FENGCHAO, ZOU WEI, HE DANDAN
Принадлежит:

The invention discloses a novel positioning device suitable for the bottom of a steel pylon and a construction method. The novel positioning device comprises a positioning frame unit, a supporting unit and a connecting unit. The positioning frame unit comprises a transverse linkage beam, a transverse linkage beam connecting device, a first positioning adjusting block and a second positioning adjusting block; the supporting unit comprises a first concrete buttress, a second concrete buttress and a third concrete buttress; the connecting unit comprises an inverted-T-shaped blocking head plate, an I-shaped steel sealing plate and a steel base. The high-strength long round bolt holes and the high-strength round bolt holes are formed in the steel base, the positioning adjusting block, the inverted-T-shaped head blocking plate and the I-shaped steel sealing plate, so that the positioning device can achieve rapid positioning, meanwhile, the adjustable range of 20 mm can be achieved according to ...

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Номер записи: 5
21-07-2023 дата публикации

Orthotropic steel bridge deck slab system capable of being replaced in partitioned mode and installation and replacement method

Номер: CN116463942A
Автор: CUI BING, XU JUN, CHEN WEILE, DAI XIHUA, LI JIAN, ZHANG TAIKE, CHAI ZHENCHAO, ZHU YAOYU, ZHAO LEI, WU LINGZHENG, GUO YAWEI, GUO FENGCHAO, HE YUANTAO, LI YI, ZHENG XIAODONG
Принадлежит:

The invention discloses an orthotropic steel bridge deck slab system capable of being replaced in a partitioned mode and an installing and replacing method. The method comprises the steps that the bottoms of a plurality of orthotropic steel bridge deck slabs are detachably connected and fixed to the top of a bridge deck cross beam, and every two adjacent orthotropic steel bridge deck slabs along a cross bridge are connected through a splicing connecting piece; when it is detected that a certain orthotropic steel bridge deck slab is abnormal in structure, the splicing connecting pieces on the orthotropic steel bridge deck slab and the adjacent orthotropic steel bridge deck slab in the transverse bridge direction are detached, the bottom of the orthotropic steel bridge deck slab and the top of a bridge deck beam are detached, and the orthotropic steel bridge deck slab is pulled out in the direction perpendicular to a bridge deck top plate; the new orthotropic steel bridge deck is installed ...

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Номер записи: 6
30-09-2015 дата публикации

Multistrand finished cable type anchorage prestress anchor device and construction method thereof

Номер: CN104947589A
Автор: WU MINGYUAN, XIE ZHENGYUAN, WU YUGANG, YA GANG, DAI XIHUA, MEI GANG, CHEN ZHANLI, SU QIANG, WU DONGMING, DOU BINLONG
Принадлежит:

The invention relates to a multistrand finished cable type anchorage prestress anchor device. The multistrand finished cable type anchorage prestress anchor device comprises a prestress concrete anchorage portion and a main cable strand connecting portion. The prestress concrete anchorage portion comprises a built-in component pre-embedded concrete, an anchorage cable strand and a nut component. The anchorage cable strand is a finished cable which is manufactured in a factory. A built-in pipe of the built-in component is free from anti-rot materials. The anchorage cable strand has n strands of finished cables. N anchor holes used for anchoring the finished cable are formed in a connector. The n strands of finished cables penetrate through the connector and a support plate respectively. The two ends are anchored to the connector or the support plate through a spherical nut and a spherical washer respectively. Effective load of the n-1 strands of finished cables must be greater than a design ...

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Номер записи: 7
26-05-2023 дата публикации

Concrete structure steel bar corrosion state judgment method

Номер: CN116165129A
Автор: MA LIN, ZENG SIQING, ZHANG YUPING, DAI XIHUA, HOU LIBO, GUO ZENGWEI, YAO GUOWEN, GUO RUIQI
Принадлежит:

The invention provides a concrete structure steel bar corrosion state judgment method, which comprises the following steps of: 1) detecting a to-be-evaluated object for two consecutive years, and respectively obtaining two detection data sets in two evaluation years; establishing a first state transition matrix, a second state transition matrix and a third state transition matrix according to the two detection data sets; 2) calculating the similarity between the state transition matrix and each steel bar corrosion state transition matrix, finding out a corresponding confidence matrix, and determining the steel bar corrosion state according to the confidence matrix; if the steel bar corrosion states corresponding to two or three of the three states corresponding to the three confidence matrixes are the same, it is judged that the to-be-evaluated object is in the corresponding steel bar corrosion state; the method has the beneficial technical effects that the concrete structure steel bar ...

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Номер записи: 8
13-01-2016 дата публикации

Drainage system is prevented leaking by bridge

Номер: CN0204959597U
Автор: HUANG JIN, DAI XIHUA, HOU ZHAOHONG, WANG JINGJING
Принадлежит:

The utility model relates to a drainage system is prevented leaking by bridge, wherein: the row of arrangement ditch cover board on the linear escape canal of resin concrete, every linear escape canal is equipped with the delivery port, sets up the closing cap above the delivery port, electromagnetism valve control system is equipped with several solenoid valve, several field control case, central control room, power cord, solenoid valve line and connection, the solenoid valve install every linear escape canal be close to delivery port department, respective field control case is connected to the solenoid valve, the street lamp line is borrowd to the power cord of field control case, central control room passes through the connection and connects each field control case, the closing cap is equipped with the actuating lever and constitutes the valve, and the solenoid valve is connected to the actuating lever, and drive the closing cap covers the delivery port automatically to receive the ...

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Номер записи: 9
01-08-2023 дата публикации

Prestressed steel cable connecting device for cable bent tower and steel cross beam and construction method

Номер: CN116516794A
Автор: CUI BING, XU JUN, CHEN WEILE, DAI XIHUA, LI JIAN, ZHANG TAIKE, CHAI ZHENCHAO, WANG YUNPENG, ZHU YAOYU, ZHANG LONG, WU LINGZHENG, LIN FUKUAN, GUO FENGCHAO, LI YANBING, LI YI
Принадлежит:

The invention discloses a prestressed steel beam connecting device for a cable bent tower and a steel cross beam, which is characterized by comprising cable bent tower columns, the steel cross beam arranged between the cable bent tower columns, a bearing plate fixedly connected with the steel cross beam and prestressed steel beams arranged between the cable bent tower columns and the bearing plate, wherein a tensioning end anchorage device and an anchoring end anchorage device are arranged on the two sides of the cable bent tower column respectively, one end of the prestressed steel beam is connected with the anchoring end anchorage device, the other end of the prestressed steel beam penetrates through the pressure bearing plate to be connected with the tensioning end anchorage device, and a prestressed tensioning flexible connection structure between the steel cross beam and the cable bent tower column is jointly formed. The pressure bearing plate comprises anti-shearing tight type punching ...

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Номер записи: 10
30-10-2020 дата публикации

Epoxy asphalt concrete mixing and dissolving device

Номер: CN0211815363U
Автор: ZHANG SHUNXIAN, WU YUGANG, MA LIN, DAI XIHUA, MAO LEI, YA GANG, ZHANG TAIKE, YANG DONGLAI, XU YONGGANG, LIU GUANGYUN, HUANG LEI, MAO NONGPING, LUO YONGCHUAN, TAN YIBO, CHENG KAI, CHEN FUJIAN
Принадлежит: POLY CHANGDA ENG CO LTD, GUANGDONG PROVINCIAL HIGHWAY CONSTRUCTION CO LTD, POLY CHANGDA ENGINEERING CO., LTD., GUANGDONG PROVINCIAL HIGHWAY CONSTRUCTION CO., LTD.

The utility model relates to an epoxy asphalt concrete mixing and dissolving device. The device comprises a stirring, mixing and dissolving mechanism and a mixing plant, the stirring, mixing and dissolving mechanism comprises a stirring tank, a stirrer and a stirring motor; the stirrer is arranged in the stirring tank; the stirring motor is connected with and drives the stirrer to rotate; whereinthe discharging end of the stirring tank is connected with the feeding end of the mixing plant, the device further comprises a pumping mechanism and a control center, the pumping mechanism comprises at least two pumping barrels, each pumping barrel is connected with a conveying pump, and the conveying pumps are used for pumping raw materials in the pumping barrels into the stirring tank; a first weighing sensor is arranged at the bottom end of each pumping barrel, and the stirring motor, each first weighing sensor and the conveying pump are electrically connected with the control center; and the ...

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Номер записи: 11