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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 11. Отображено 11.
04-07-2023 дата публикации

Material fluidity experimental device based on multiple spiral runners and mounting method

Номер: CN116386441A
Автор: HU CONG, WANG XINGXING, ZHU BINGJIAN, ZHANG FUBAO, PAN YILING, MA MING, CHEN LINFEI, ZHU YU, NI HONGJUN
Принадлежит:

The invention discloses a material fluidity experiment device based on multiple spiral runners and an installation method, and belongs to the technical field of investment casting teaching experiment instruments and equipment. According to the technical scheme, the material fluidity experiment device comprises a sprue device, a mold, a temperature control system and a base from top to bottom in sequence, the mold comprises an upper mold plate and a lower mold plate, a sprue gate is formed in the lower mold plate, the lower mold plate is provided with a plurality of spiral runners extending outwards along the sprue gate, the section of each spiral runner is semicircular, and the temperature control system is arranged on the base. And the radius values of the sections of the spiral runners are different. The device and the method have the beneficial effects that the fluidity test requirements of the same material in runners with different section sizes under the conditions of the same time ...

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Номер записи: 1
23-06-2023 дата публикации

Wire cut electrical discharge machining quality online monitoring and evaluating system and method

Номер: CN116275329A
Автор: ZHANG FUBAO, LIU SUSU, HUANG JIAXIANG, CUI MINGYUE
Принадлежит:

The invention relates to the technical field of electric machine tools, in particular to a wire cut electrical discharge machining quality on-line monitoring and evaluating system and method, and the system comprises a wire electrode tension detection module which can achieve the real-time monitoring of tension according to the performance parameters detected by a tension sensor; the discharge state detection module is used for determining the current discharge state by comparing the characteristic value of each state with the characteristic value of each state through the controller; the electrode wire vibration amplitude detection module is used for monitoring the vibration amplitude of the electrode wire in real time; and the PC is used for transmitting related data of the modules to the PC for summarizing and processing, and evaluating the processing quality. Through the electrode wire tension detection module, the discharge state detection module and the electrode wire vibration amplitude ...

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Номер записи: 2
05-05-2023 дата публикации

Multistage regulation and control constant tension mechanism applied to linear cutting machine tool and control method

Номер: CN116060713A
Автор: ZHANG FUBAO, LIU SUSU, HUANG JIAXIANG, ZOU HAO, CUI MINGYUE
Принадлежит:

The invention relates to the technical field of electrical processing machine tools, in particular to a multi-stage constant tension regulation and control mechanism applied to a linear cutting machine tool and a control method.The multi-stage constant tension regulation and control mechanism comprises a rack, and a first electrode wire tension regulation and control assembly and a second electrode wire tension regulation and control assembly are arranged on the rack side by side; and a controller and a tension display panel are arranged above the second electrode wire tension regulation and control assembly. The first electrode wire tension regulation and control assembly comprises a first electric sliding table and a first motor arranged at the top of the first electric sliding table, an output shaft of the first motor is connected with a first lead screw, the first lead screw is sleeved with a first sliding block, and a first tension wheel is installed on the front surface of the first ...

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Номер записи: 3
18-07-2023 дата публикации

Novel heating plate based on mobility experiment teaching equipment and preparation method thereof

Номер: CN116456514A
Автор: ZHU BINGJIAN, WANG XINGXING, HU CONG, ZHU YU, PAN YILING, NI HONGJUN, MA MING, LYU SHUAISHUAI, ZHANG FUBAO
Принадлежит:

The invention discloses a novel heating plate based on fluidity experiment teaching equipment and a preparation method thereof, and belongs to the technical field of investment casting teaching experiment instruments and equipment. According to the technical scheme, the novel heating plate sequentially comprises an aluminum alloy mold bottom plate, a heat conduction gel layer, an insulation heat conduction film layer, a heating element, a glass fiber heat preservation cotton insulation heat insulation film layer, a silica gel foaming heat preservation cotton leveling layer, a polyurethane heat preservation layer and a mold protection bottom shell. The heating element is a flat double-spiral heating element formed by combining a metal wire into two strands and surrounding the metal wire from the center to the periphery, the glass fiber layer heat preservation cotton insulation and heat insulation film layer comprises glass fiber tows and glass fiber cloth, and gaps of the flat double-spiral ...

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Номер записи: 4
16-05-2023 дата публикации

Electric bus driving condition construction method for sparse data

Номер: CN116127249A
Автор: WANG XINGXING, YE PEILIN, ZHU YU, NI HONGJUN, ZHANG YUJIE, LYU SHUAISHUAI, ZHANG FUBAO
Принадлежит:

The invention discloses a sparse data-oriented electric bus driving condition construction method. The method comprises the following steps of S1, determining sampling time and an electric bus driving route; s2, carrying out data acquisition to obtain sparse data of a working condition; s3, performing short-stroke segmentation according to the working condition data; s4, filling the acquired sparse data through a linear interpolation or hybrid interpolation method; s5, extracting characteristic parameters; s6, performing principal component analysis on the feature parameters, screening out main feature components, and classifying the short strokes by using a K-means clustering method according to a principal component analysis result; step S7, determining the duration and the number of fragments of each working condition; step S8, selecting fragments; and step S9, splicing the segments, and constructing a driving condition. According to the method, sparse data are processed by using an ...

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Номер записи: 5
14-07-2023 дата публикации

Saw chain defect detection method based on residual network and knowledge coding

Номер: CN116429782A
Автор: ZHANG FUBAO, LIU SUSU, WU TING, CHEN LIWEI
Принадлежит:

The invention relates to the technical field of industrial detection, in particular to a saw chain defect detection method based on a residual network and knowledge coding, which comprises the following steps: step 1, image segmentation: extracting a key area of a part from an acquired high-resolution saw chain image through a self-adaptive image segmentation algorithm to obtain a segmentation image and position information of a real-time saw chain part; step 2, feature extraction: introducing the segmented image into a deep learning model based on a residual network ResNet34, improving the training efficiency by adopting a transfer learning mode, extracting part category features and color features by a classification network, and completing the classification work of the part segmented image; and step 3, defect detection and positioning: expressing the features extracted from the segmented image in a real-time matrix form in a knowledge coding manner, expressing the features of the standard ...

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Номер записи: 6
07-07-2023 дата публикации

Preparation method of wax-repellent coating on surface of flow channel plate of fluidity experiment mold

Номер: CN116393345A
Автор: PAN YILING, WANG XINGXING, HU CONG, ZHANG FUBAO, ZHU BINGJIAN, ZHU YU, MA MING
Принадлежит:

The invention discloses a preparation method of a wax-repellent coating on the surface of a flow channel plate of a flowability experiment mold, and belongs to the technical field of preparation of wax-repellent coating materials. According to the technical scheme, the method comprises the following steps that shot peening strengthening treatment and aging treatment are conducted on the surface of the mold runner plate; ultrasonically cleaning and drying the mold runner plate, putting the mold runner plate into a mixed solution of hydrochloric acid and oxalic acid for etching, uniformly stirring, cleaning with deionized water, and drying; putting the mold runner plate into boiling distilled water for treatment, then putting the mold runner plate into a closed container, and filling nitrogen for drying; preparing a perfluoropolyether siloxane solution, soaking the mold runner plate in the solution, taking out the mold runner plate, standing, cleaning the mold runner plate with deionized ...

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Номер записи: 7
17-08-2021 дата публикации

Induction type automatic control shell core machine preparation device and preparation method thereof

Номер: CN113263143A
Автор: HUANG MINGYU, ZHOU QIAN, WANG JUNYOU, ZHANG FUBAO, LYU SHUAISHUAI, NI HONGJUN, 黄明宇, 周倩, 王俊有, 张福豹, 吕帅帅, 倪红军
Принадлежит:

The invention relates to the technical field of casting, in particular to an induction type automatic control shell core machine preparation device and a preparation method thereof. The device comprises a sand hopper, a first oil cylinder, a guide rail, a second oil cylinder, a first oil inlet, a first oil outlet, a first piston rod, a second piston rod, a pulley, a sand shooting mechanism, a sand barrel, a sand shooting plate, a third oil cylinder, a template support, a second oil inlet, a second oil outlet, a fourth oil cylinder, a push rod, a pneumatic vibration machine, an L-shaped supporting seat, a movable template, a thickness measuring sensor, a guide column, a fixed template, a turnover mechanism and a controller. The device has the advantages that the overturning angle and the sand shaking time of the shell core machine are controlled by measuring the crusting thickness and automatically sensing the content of uncured sand in a shell core, uncertain factors such as manual control ...

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Номер записи: 8
09-06-2023 дата публикации

Two-for-one twister structure automatic optimization method based on flow field parameterization design

Номер: CN116244851A
Автор: YAO WEIKANG, ZHANG FUBAO, LIU SUSU
Принадлежит:

The invention discloses a two-for-one twister structure automatic optimization method based on flow field parameterization design, which establishes a set of spinning two-for-one twister balloon flow field parameterization model, can quickly simulate the flow field conditions of the two-for-one twister under different structure parameters and working conditions through parameterization analysis, and automatically calculates the resistance and energy consumption, so as to realize the automatic optimization of the two-for-one twister structure. The structure optimization design of the spinning two-for-one twister is assisted, and the purpose of energy saving is finally achieved. Changes of the space-time airflow field in spinning operation are studied, parameterized simulation analysis is performed on the flow field model by changing structural parameters and working conditions of the two-for-one twister, quantitative influence rules of the flow field are summarized, and optimal design of ...

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Номер записи: 9
06-06-2023 дата публикации

Pouring auxiliary device and method for low-temperature material fluidity experiment

Номер: CN116223175A
Автор: MA MING, WANG XINGXING, HU CONG, ZHU YU, ZHANG FUBAO, LI JIE, CHEN FANGWEI, WANG XIJUN
Принадлежит:

The invention relates to a pouring auxiliary device and method for a low-temperature material fluidity experiment. The bottom end of a supporting main shaft is fixed to an experiment platform through a locking part; the supporting main shaft can ascend and descend in the vertical direction relative to the experiment platform, the two supporting arms are installed at the top end of the supporting main shaft, each supporting arm can stretch out and draw back and be bent, the water temperature tank is installed at the end, away from the supporting main shaft, of each supporting arm, and the inner channel is installed in the middle of an inner cavity of the water temperature tank. The outer wall of the internal channel is sleeved with a water temperature box heating wire, the water temperature box heating wire heats to enable liquid in the water temperature box to keep warm continuously, the end, located at the bottom of the water temperature box, of the internal channel is connected with a ...

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Номер записи: 10
30-06-2023 дата публикации

Full-automatic detection device for annular saw chain

Номер: CN116351719A
Автор: ZHANG FUBAO, LIU SUSU, HUANG JIAXIANG, ZHU YU, WAN JUNJIE
Принадлежит:

The invention relates to the technical field of intelligent mechanical devices, in particular to an annular saw chain full-automatic detection device which comprises a rack, a feeding mechanism, a discharging mechanism, a detection mechanism, a storage and distribution mechanism and a discharging conveying mechanism. The feeding mechanism and the discharging mechanism are arranged at the top of the rack, the detection mechanism and the material storing and distributing mechanism are arranged below the feeding mechanism and the discharging mechanism respectively and are opposite to the feeding mechanism and the discharging mechanism, the detection mechanism is arranged on one side of the material storing and distributing mechanism, and the discharging conveying mechanism is arranged at the bottom of the rack. The discharging conveying mechanism is arranged on one side of the detection mechanism. And an electric control box is also arranged at the bottom of the rack. The automatic detection ...

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Номер записи: 11