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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.
25-02-2015 дата публикации

Telescopic boom type dust suppression device for fixed crushing station

Номер: CN104370124A
Автор: SHAO ANLIN, ZHANG ZHAOYUAN, MA XUFENG, LIU XIAOMING, ZHOU HUIWEN, LYU CHENGLIN, ZHANG DENGBO, GAO JINGJUN, SUN YUTIE, NA JUN
Принадлежит:

The invention relates to a telescopic boom type dust suppression device for a fixed crushing station. The telescopic boom type dust suppression device is characterized by comprising an arm lever telescoping mechanism and a shed frame ceiling structure which are erected above a receptacle trough of the crushing station; the arm lever telescoping mechanism is composed of a fixed arm, a stretched arm set, a hydraulic station and a hydraulic driving mechanism; the shed frame ceiling structure is composed of a shed frame and dustproof and waterproof cloth covers laid on the shed frame; the shed frame is composed of transverse supporting rods and triangular supporting frames, wherein the transverse supporting rods are fixed to the two sides of the front end of the fixed arm and the two sides of the front ends of stretched arms, and the triangular supporting frames are hinged to the cantilever ends of the transverse supporting rods; winches are arranged below the fixed arm, and each triangular ...

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Номер записи: 1
26-05-2023 дата публикации

Circulating grouting equipment for prestressed concrete bridge

Номер: CN116160556A
Автор: LYU CHENGLIN, CUI SHIGANG, YAN FENG, YANG GUOFU, WANG KUNPENG, FAN XUYUN, WANG YONGKUN, MENG HENGHENG, SHEN QIANGRU, CAO HUI
Принадлежит:

The invention discloses prestressed concrete bridge circulating grouting equipment which comprises a frame, a feeding barrel, a stirring barrel, a storage barrel and a grouting pump which are communicated are sequentially mounted on the frame, a control cabinet is further mounted on one side of the frame, a feeding port is formed in the upper portion in the stirring barrel, a stirrer driven by a motor is mounted in the stirring barrel, and a motor is mounted in the stirring barrel. A partition plate is mounted in the stirring barrel, and a lifting mechanism is mounted in the stirring barrel. The partition plate and the lifting mechanism are arranged in the stirring barrel, and the control cabinet is used for controlling the lifting mechanism to start, so that the partition plate is pushed to ascend and descend in the stirring barrel, the actual volume in the stirring barrel is changed according to requirements, the effect of shortening the distance of bubbles floating to the liquid level ...

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Номер записи: 2
08-04-2015 дата публикации

Upper supporting roll set suitable for large-tilt-angle adhesive tape machine

Номер: CN104495275A
Автор: TANG TINGYU, LYU CHENGLIN, CHEN FUMIN, XIAO JIAN, LYU QING, XIAO HUI, CHEN JIANLI, GUO JIAN, FU ZHIBO, YU RUNJIAO, ZHANG MENG
Принадлежит:

The invention relates to an upper supporting roll set suitable for a large-tilt-angle adhesive tape machine. The upper supporting roll set comprises a supporting cross beam, and is characterized in that a central bottom frameextending to one side of the supporting cross beam and auxiliary bottom frames symmetrically arranged on the two sides of the central bottom frame are fixed in the middle of the supporting cross beam; a central supporting column is arranged at the top of the central bottom frame; auxiliary edge supporting columns are arranged at the tops of the auxiliary bottom frames; bottom supporting rolls are mounted between the central supporting column and the auxiliary edge supporting columns; main edge supporting columns and a middle supporting column arranged on the inner sidesof the main edge supporting columns are fixed at the tops of the two ends of the supporting cross beam respectively; side supporting rollsare mounted between the main edge supporting columns and the middle ...

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Номер записи: 3
04-03-2015 дата публикации

Co-Al permeating furnace device for hollow turbine blade of combustion gas turbine

Номер: CN104388892A
Автор: ZHANG CHAO, HU HUAZHONG, PANG XUEJIA, LYU CHENGLIN, ZUO TONG, LIU JIWEI, PAN HONGWEI, LI DONGMING, QIU ZHONGHUI, LIU HONGDA, ZHOU KEJIA, REN DAWEI, ZHANG SHENGLONG, DONG TINGGE
Принадлежит:

The invention discloses a Co-Al permeating furnace device for a hollow turbine blade of a combustion gas turbine. The Co-Al permeating furnace device mainly comprises a heating furnace body, an electrical heating element, a furnace lid, a furnace pot, a vacuum-pumping system, a temperature control system, a thermocouple and the like. The Co-Al permeating furnace device has the beneficial effects that a Co-Al permeating method of the Co-Al permeating furnace device belongs to a gas-phase metal diffusion process, and adopts a one-step diffusion method; and the basic principle is as follows: a diffusion metal is activated through an activating agent such as a halogen or a halogen compound, is deposited on the metal surface under a vacuum or protective atmosphere condition, and reacts with matrix alloy to diffuse, so as to form a diffused metal or compound.

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Номер записи: 4
30-06-2023 дата публикации

High-temperature displacement sensor cooling device applied to gas turbine blade high-temperature vibration test

Номер: CN116358884A
Автор: QU JINYU, ZHOU YUHANG, SUN JINGGUO, DONG KAIXIN, LYU CHENGLIN, ZHANG CHAO
Принадлежит:

The invention provides a high-temperature displacement sensor cooling device applied to a gas turbine blade high-temperature vibration test, and relates to the technical field of gas turbines, in particular to a device for cooling a high-temperature displacement sensor in the gas turbine high-temperature vibration test. The problem that the high-temperature displacement sensor is overheated in the high-temperature vibration test process of the gas turbine is solved, and the surface temperature of the high-temperature displacement sensor is reduced. Through reasonable arrangement of the support structure, the measuring point of the high-temperature displacement sensor is easy to adjust. By arranging the water cooling structure, the surface temperature of the high-temperature displacement sensor is reduced to be below the allowable working temperature, and the working environment adaptability of the high-temperature displacement sensor is improved. The invention provides a high-temperature ...

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Номер записи: 5
11-11-2015 дата публикации

Sticky tape friction formula powder sampler

Номер: CN0204751458U
Автор: CHEN QIANG, LYU CHENGLIN, YANG FENGBO, WANG ZHIGANG, LYU QING, LIU DIANBIN, CHEN JIANLI, GUO JIAN, FU ZHIBO, YU RUNJIAO, ZHANG MENG
Принадлежит:

The utility model belongs to the technical field of material sample manufacturing equipment, especially, relate to a sticky tape friction formula powder sampler, its characterized in that is mainly by the pop -up roller set, and snub pulley group sets up the last sticky tape on the pop -up roller set, sets up the lower sticky tape in snub pulley group, and the setting is in sampler between pop -up roller set and the snub pulley group constructs, and the take -up (stock) pan is formed. The utility model discloses a sticky tape friction formula powder sampler can be without the direct continuous sampling of motor reduction gear drive, when not needing the sampler during operation, the counter weight ball stops not contacting with bulk material in the lower part, sampler's rotational speed is adjustable with drive power, make sampler at the belt conveyor processing set -up, use and install the disinvestment, longe -lived, safe and reliable, operation expense and fault rate are lower, have ...

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Номер записи: 6
30-06-2023 дата публикации

Construction method of sound insulation wall

Номер: CN116356976A
Автор: MA GUOBIN, ZHANG KAIHUA, ZHU XIANG, ZHANG RUI, WU DI, JIANG JIN, LYU CHENGLIN, CHEN ZHONGTIAN
Принадлежит:

The invention provides a construction method of a sound insulation wall, and belongs to the technical field of building construction.The construction method of the sound insulation wall comprises the steps that the installation position of the sound insulation wall is confirmed and marked according to a design drawing and requirements; building a basic wall body of the soundproof wall by using soundproof bricks according to the marked positions; a layer of concrete is poured into the foundation wall, and is polished to be flat after being dried and formed; building a BIM model according to the drawing and the actually built foundation wall; carrying out voxelization plane division on the BIM model by using a clustering algorithm; the back face of the sound insulation board is coated with an adhesive, and the sound insulation board is fixed to the surface of the foundation wall body according to the divided areas; after the adhesive is completely dried, the surface of the acoustic board ...

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Номер записи: 7
18-02-2015 дата публикации

Composite ceramic cotton fiber heat-insulating coating

Номер: CN104354339A
Автор: LIU JIWEI, RAN JUNHUI, LYU CHENGLIN, ZHANG CHAO, YAO WENSHENG, REN DAWEI, TAO LIN, YANG GUIJUN, GAO SHUO, WANG XIN, JIANG JUNSHI
Принадлежит:

The invention provides a composite ceramic cotton fiber heat-insulating coating and relates to the field of material engineering. A mixture of ceramic fiber cotton and Al(OH)3 sol is sintered to be used as a thermal-insulating layer of a base material. The ceramic fiber cotton ground and crushed into powder particles with diameters of 2-6 microns is mixed with Al(OH)3 sol, and the mixture is used as the base material of the coating; an Al(OH)3 sol layer between a surface strengthening layer and a base thermal-insulating layer is used as a transitional layer; a metal net layer is welded on the base material for fixing the surface coating, thereby meeting different product and environment requirements; particularly, the coefficient of thermal expansion is changed to be adaptive to different base materials, the coating material has a wide application range, and the heat-insulating coating with good heat-insulating property is achieved finally.

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Номер записи: 8
23-09-2015 дата публикации

Rubber belt friction type powder sampling machine

Номер: CN104925510A
Автор: CHEN QIANG, LYU CHENGLIN, YANG FENGBO, WANG ZHIGANG, LYU QING, LIU DIANBIN, CHEN JIANLI, GUO JIAN, FU ZHIBO, YU RUNJIAO, ZHANG MENG
Принадлежит:

The invention belongs to the technical field of material sampling processing equipment, and particularly relates to a rubber belt friction type powder sampling machine. The sampling machine is characterized by mainly comprising an upper supporting roller set, a lower supporting roller set, an upper rubber belt arranged on the upper supporting roller set, a lower rubber belt arranged on the lower supporting roller set, a sampling mechanism arranged between the upper supporting roller set and the lower supporting roller set, and a collecting tray. The sampling machine can be used for direct and continuous sampling without being driven by a motor reducer. When the sampling machine does not work, a balance weight ball stops on the lower portion and does not make contact with bulk materials. The rotating speed and driving force of the sampling machine are adjustable, so that investment on processing set-up, use and installation of the sampling machine on a belt conveyer is reduced, service life ...

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Номер записи: 9
30-04-2014 дата публикации

Preparation method of sitagliptin intermediate

Номер: CN103755596A
Автор: ZHANG XINGXIAN, LYU CHENGLIN, SUN XINZHE, SHEN FANGLIANG
Принадлежит:

The invention discloses a preparation method of a sitagliptin intermediate represented by formula 1. The preparation method comprises the following steps: step A, carrying out a reaction of beta-ketonic ester 2 with a chiral amine to obtain a chiral enamine 3, wherein the chiral amine is R(+)-alpha-phenylethylamine or D-(-)-phenylglycinol; step B, reducing the chiral enamine 3 to obtain a compound 4; step C, carrying out catalytic hydrogenation of the compound 4 to remove a chiral auxiliary group, and thus obtaining a compound 5; step D, protecting amino of the compound 5 by Boc to obtain a compound 6; and step E, hydrolyzing the compound 6 to obtain beta-amino acid 1. The method has the advantages of cheap and easily obtained chiral raw materials, short reaction route, simple operation, mild reaction conditions, no special requirements on equipment, high yield, low cost and small environment protection pressure, and has relatively good industrial application and economic value.

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Номер записи: 10
27-06-2023 дата публикации

Non-contact gas turbine hot end vertical expansion amount measuring device

Номер: CN116337467A
Автор: LIU HONGDA, SUN DAN, HE JIANYUAN, SUN JINGGUO, SUN PENG, LYU CHENGLIN, XU WENYAN, ZHOU KEJIA
Принадлежит:

The invention provides a non-contact gas turbine hot end vertical expansion amount measuring device, and relates to the technical field of gas turbines, in particular to a gas turbine hot end thermal state vertical expansion amount measuring device. According to the method, the problem of obtaining the thermal state centering parameters of the gas turbine is solved, the accurate centering parameters are given by measuring the expansion amount of the hot end, and the problem that the whole machine vibrates excessively due to the fact that centering is damaged due to thermal expansion of the gas turbine is solved. The invention provides a non-contact gas turbine hot end vertical expansion amount measuring device which mainly comprises a laser emitting device, a monitoring device, a measuring tool and a mounting frame.

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Номер записи: 11