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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 23. Отображено 23.
27-04-2018 дата публикации

Special tool of CPK

Номер: CN0207284050U

The utility model discloses a special tool of CPK, including the special tool of CPK body, special tool of CPK comprises vacuum generator, the pipe connection, apron, backlight, ya keli board A, air vent, CPK tool panel, yakeli board B and vacuum absorption hole, wherein apron, backlight and ya keli board A follow the supreme bottom of dress at CPK tool panel of pasting in proper order down, offered the through -hole in the middle of CPK tool panel, ya keli board B is installed to the joint in the through -hole, and yakeli board B has offered vacuum absorption hole in the center, vacuum absorption hole's diameter is 0.5mm, and vacuum absorption hole passes through pipeline and the pipe connection to seted up the air vent on the pipeline, the air vent communicates with each other with the atmosphere, the pipe connection sets up in the inside of CPK tool panel, the pipe connection's the other end and vacuum generator threaded connection, the utility model discloses a backlight makes thecomponent ...

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25-07-2023 дата публикации

Aircraft cable breakage matching method and system based on machine vision

Номер: CN116486123A
Принадлежит:

The invention discloses an aircraft cable breakage matching method and system based on machine vision, and the method comprises the steps: collecting an aircraft cable section image, carrying out the gray processing of the aircraft cable section image after preprocessing, and obtaining an aircraft cable section gray image; detecting and extracting a circular edge of an aircraft cable section in the aircraft cable section grayscale image by using a target detection algorithm, and separating the cable section in the aircraft cable section image from the background; constructing a cascade regression tree model, extracting feature points of the cable section, and constructing a feature descriptor; and measuring the similarity between the feature points according to the distance between the feature descriptors, and completing the airplane cable breakage matching based on the similarity between the feature points. According to the invention, the working efficiency and quality of repair matching ...

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25-07-2023 дата публикации

Aircraft cable section image matching method, system, equipment and medium

Номер: CN116486122A
Принадлежит:

The invention belongs to the technical field of aircraft maintenance, and discloses an aircraft cable section image matching method, system and device and a medium. The method comprises the following steps: acquiring category and position information of each lead in a first airplane cable section image and a second airplane cable section image to be matched, and acquiring a clipping image of each lead; and calculating the Euclidean distance between each lead of each category in the first aircraft cable section image and each lead of the corresponding category in the second aircraft cable section image by adopting a pre-trained FaceNet model, and matching the two leads with the minimum Euclidean distance. According to the method, deep learning is integrated into airplane cable section matching, and the technical problems that an existing traditional airplane cable section matching method depends on artificial experience, is low in efficiency, is high in repair difficulty, is high in repair ...

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28-07-2023 дата публикации

Automatic cooling control system and automatic cooling control method for brake test

Номер: CN116499721A
Принадлежит:

The invention provides an automatic cooling control system and an automatic cooling control method for a brake test, the automatic cooling control system comprises an acquisition module, a cooling device and a control module, the acquisition module is used for acquiring temperature information of a brake plate and temperature information of a cooling medium; the cooling device comprises a cooling circulation unit and a heat dissipation circulation unit, the cooling circulation unit is used for cooling the brake plate, and the heat dissipation circulation unit is used for providing a cooling medium for the cooling circulation unit and conducting heat dissipation on the cooling medium when needed. The control module is used for controlling the cooling device according to the temperature information output by the acquisition module, the output end of the acquisition module is connected with the control module, the output end of the control module is connected with the cooling device, and the ...

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02-05-2023 дата публикации

Hand grenade throwing training device

Номер: CN116045727A
Принадлежит:

The invention relates to a hand grenade throwing training device which is characterized in that a throwing masking chamber is installed on the relatively flat ground of a training field, a mine pit is dug in the ground at the bottom of the throwing chamber, a throwing table is arranged on a bottom plate of the throwing chamber, a throwing pedal is arranged at the top of the throwing table, and mine falling grooves communicated with the mine pit are formed in the positions, on the left side and the right side of the throwing table, of the bottom plate; inclined sliding plates are symmetrically arranged on the upper sides of the left thunderbolt groove and the right thunderbolt groove, gaps allowing the grenades to fall in are reserved between the sliding blocks and the left edge and the right edge of the throwing pedal, and the gaps, the sliding plates, the thunderbolt grooves and the thunderbolt pit form a left bent thunderbolt channel and a right bent thunderbolt channel which can lead ...

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16-02-2011 дата публикации

Method for generating three-dimensional portable process file

Номер: CN0101976466A
Принадлежит:

The invention discloses a method for generating a three-dimensional portable process file. The method sequentially comprises the following steps of: customizing and generating a process card template as required; determining a three-dimensional product model used for simulation and lightweighting; simulating the machining process and the assembling process to form a three-dimensional model with simulation information; establishing a blank process file based on the process card template; sequentially inputting process instruction description information, a process instruction picture, animation content and a three-dimensional simulation model to the process file; generating a corresponding embedded control instruction code in the process file; correspondingly associating the control instruction code of the simulation model and corresponding procedure content; and generating the process file and storing the process file in a Portable Document Format (PDF) format. The method improves the accuracy ...

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30-01-2008 дата публикации

Preparations for scrofula healing

Номер: CN0101112586A
Принадлежит:

The present invention provides a lymphatic tuberculosis rehabilitation preparation, the traditional Chinese medicine compound preparation is composed of the following medicines with the contents: 20 to 40g of radix rehmanniae preparata, 6 to 15g of white paeony root, 6 to 15g of Szechuan lovage rhizome, 6 to 20g of Chinese angelica, 6 to 20g of nutgrass galingale rhizome, 6 to 20g of Chinese thorowax root, 10 to 25g of cassia seed, 10 to 30g of salvia miltiorrhiza, 10 to 30g of common burreed rhizome, 10 to 30g of zedoary, 30 to 100g of common selfheal fruit-spike and 6 to 15g of liquoric root, the compound preparation is boiled by water, so as to prepare the lymphatic tuberculosis rehabilitation preparation. The lymphatic tuberculosis rehabilitation preparation of the present invention has good effects on prevention and treatment of lymphatic tuberculosis.

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23-07-2014 дата публикации

Pickling method and formula of chili

Номер: CN103932131A
Принадлежит:

The invention relates to a pickling method and a formula of chili, belonging to the field of food processing. The formula comprises the following seasonings: fresh chili, sauce, salt, soybean oil, white sugar, white spirits, ginger, garlic, caraway, monosodium glutamate, and star anise. The chili pickled by adopting the formula and the method is non-lost in nutrition, rich in mouthfeeling, fresh and crispy and easy to store. In addition, the formula is simple to operate, convenient to take, fresh in the flavor of the chili, and easy to store.

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02-05-2023 дата публикации

Installation device for sealing ring and piston in narrow space

Номер: CN116038618A
Принадлежит:

The invention discloses a mounting device for a sealing ring and a piston in a narrow space. The mounting device comprises a sealing ring mounting device and a piston mounting device, the sealing ring installation device further comprises a rotating disc, a first rotating telescopic arm installed above the rotating disc, a telescopic rod installed below the rotating disc and a pair of supporting rods. The telescopic rod is vertically and movably arranged below the rotating disc; and the pair of supporting rods are vertically arranged below the rotating disc and are positioned on the two sides of the motion trail of the telescopic rod. The piston installation device further comprises a suction cup and a second rotary telescopic arm installed above the suction cup. Compared with the prior art, the device has the beneficial effects that the problem that a sealing ring and a piston are difficult to install in a narrow space can be effectively solved, full-automatic mechanical control is adopted ...

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07-04-2023 дата публикации

Method and system for determining inflation pressure of IV-type vehicle-mounted hydrogen storage cylinder

Номер: CN115935750A
Принадлежит:

The invention discloses a method and system for determining the inflation pressure of an IV-type vehicle-mounted hydrogen storage cylinder, and relates to the technical field of engineering manufacturing. The method comprises the following steps: carrying out buckling analysis on a three-dimensional finite element model of the gas cylinder lining to obtain a critical buckling load; according to the fiber winding angle of the winding fiber, the total thickness of the annular fiber, the total thickness of the spiral fiber, the thickness of the annular winding single layer and the thickness of the spiral winding single layer, the winding tension of each layer of winding fiber on the IV type vehicle-mounted hydrogen storage cylinder is calculated; obtaining the residual tension of the winding fiber according to the winding tension when the winding fiber is wound; according to the residual tension of each layer of winding fiber and the winding tension of each layer of winding fiber, obtaining ...

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16-05-2023 дата публикации

Heavy-load high-speed floating support moving workbench

Номер: CN116117055A
Принадлежит:

The invention belongs to the technical field of forging and pressing equipment, and discloses a heavy-load high-speed floating supporting movable working table which comprises a movable working table top arranged on a lower cross beam of a free forging hydraulic press and further comprises a left support and a right support which are arranged on the two side faces of the lower cross beam respectively. An oil cavity is formed in the lower wear-resistant base plate; a floating supporting device is arranged between the left support and the right support. A pair of upper wear-resistant base plates is arranged below the movable working table, and a middle wear-resistant base plate is further arranged in the middle of the movable working table; a left driving oil cylinder and a right driving oil cylinder are arranged on the two sides of the movable working table respectively. Permanent magnets are further arranged on the two sides of the movable working table; the floating supporting movable ...

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28-05-2014 дата публикации

Multi-cylinder hydraulic sheet metal forming machine

Номер: CN103817280A
Принадлежит:

The invention provides a multi-cylinder hydraulic sheet metal forming machine which comprises a combined framework and a PLC (programmable logic controller). A locking piece group, an upper worktable, a lower worktable, lift cylinders and return cylinders are arranged on the combined framework, the lower worktable is placed on a multi-working-cylinder integrated device, the multi-working-cylinder integrated device comprises a platy multi-cylinder plate, and a plurality of plunger type cylinders are machined on the multi-cylinder plate and form a multi-row arrangement structure; a plunger pressure plate is mounted at an opening of each plunger type cylinder; a main working cylinder plunger is arranged in each plunger type cylinder; when the multi-cylinder hydraulic sheet metal forming machine is used, one or a plurality of main working cylinder plungers are started to act under the control of the PLC. The multi-cylinder hydraulic sheet metal forming machine has the advantages that the multi-cylinder ...

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06-06-2023 дата публикации

Offshore wind turbine yaw brake pad and preparation method thereof

Номер: CN116218133A
Принадлежит:

The invention provides an offshore wind turbine yaw brake pad and a preparation method thereof, and belongs to the technical field of brake systems. The yaw brake pad for the offshore wind turbine comprises the following components in parts by weight: 10-18 parts of phenolic resin, 2-6 parts of friction powder, 15-25 parts of mineral fibers, 5-10 parts of cryolite powder, 3-6 parts of aramid fibers, 8-10 parts of glass fibers, 5-10 parts of precipitated barium sulphate, 3-8 parts of crystalline flake graphite, 7-12 parts of pre-oxidized fibers, 2-4 parts of rubber powder, 2-5 parts of molybdenum disulfide, 5-10 parts of tungsten disulfide and 1-3 parts of magnesium oxide. The dry friction coefficient of the brake pad ranges from 0.40 to 0.45, and the corrosion resistance level of the brake pad is RA <->/10VSB. The brake pad has the advantages of being resistant to corrosion and low in vibration, and noise, vibration and the like can be avoided in the using process.

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22-08-2023 дата публикации

Method and system for optimizing bending radius and binding position of aircraft cable

Номер: CN116629074A
Автор: JIA XIAOLIANG, EKAI, CHANG XIAO
Принадлежит:

The invention discloses an aircraft cable bending radius and binding position optimization method and system, and the method comprises the following steps: collecting actual cable wiring parameters, and building a cable bending radius and binding position finite element model; cable unit stress data are extracted through simulation analysis of the finite element model of the bending radius and the binding position of the cable; analyzing the influence weights of three factors, namely the bending radius, the hoop and the binding belt, on the stress of the cable unit, and establishing a cable bending radius and binding position optimization model; and solving the cable bending radius and binding position optimization model to obtain the optimal cable bending radius and binding position. Compared with a traditional repairing method, the working efficiency and quality of cable repairing in the airplane overhaul process are improved, the repairing period is shortened, and the manpower demand ...

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29-08-2023 дата публикации

Liquid crystal digital display instrument reading identification method and system based on deep learning

Номер: CN116665227A
Принадлежит:

The invention discloses a deep learning-based liquid crystal digital display instrument reading identification method and system. The method comprises the following steps of: acquiring a liquid crystal digital display instrument image, preprocessing the liquid crystal digital display instrument image, and realizing inclination and rotation correction of the liquid crystal digital display instrument image by applying a perspective transformation image processing technology; constructing a YOLOv4-tiny character region detection network model, and obtaining character string recognition image data; and a CRNN character string recognition network model is constructed, and liquid crystal digital display instrument reading recognition is completed. According to the liquid crystal digital display instrument reading identification method based on deep learning provided by the invention, rapid and accurate detection and reading identification of character areas of the liquid crystal digital display ...

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14-05-2014 дата публикации

Method for machining bolt holes in hanging subassembly of aircraft engine by using numerical control equipment

Номер: CN103785874A
Принадлежит:

The invention belongs to the field of numerical control machining methods, and particularly relates to a method for machining bolt holes in a hanging subassembly of an aircraft engine by using mechanical control equipment. The method comprises the following steps of preassembling the hanging subassembly by using an assembling tool; positioning the hanging subassembly on a special machining supporting clamp; performing measurement and reverse analysis and adjusting numerical control machining programs; positioning the subassembly and the clamp on a machine tool in an integrated manner; automatically forming holes by using the machine tool and examining a machining result; preassembling the hanging subassembly by using a small number of bolts; establishing a measuring benchmark on the product under aircraft axes; positioning the product on the special machining supporting clamp and then examining the appearance error and the location degree of the product; performing reverse modeling and ...

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27-01-2016 дата публикации

Spanner is demolishd to high lock nut

Номер: CN0204997576U
Принадлежит:

The utility model relates to a spanner is demolishd to high lock nut. Dismantle the problem of difficulty in order to solve the high lock nut of twist -off formula, the technical scheme of adoption is: comprise clamp, round pin axle and spanner, clamp and spanner are through selling axle swing joint, and the spanner rotates for the clamp. The clamp be: the middle part of main part is equipped with the through -hole, and the zigzag is made to the inner wall of through -hole, and the one end system of main part has round pin shaft hole I. The spanner be: one end is handheld portion, and the other end is fan -shaped portion, and the cockscomb structure is made to the work terminal surface of fan -shaped portion, is equipped with round pin shaft hole II in the fan -shaped portion. Fan -shaped portion on sell shaft hole II for eccentric settings. The utility model discloses can improve efficiency and quality that high lock nut was demolishd to reduce and remove the damage of in -process to the ...

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15-08-2023 дата публикации

LED display screen and preparation method of LED display screen

Номер: CN116597750A
Принадлежит:

The embodiment of the invention discloses an LED display screen and a preparation method of the LED display screen, the LED display screen comprises a plurality of bottom shells, each bottom shell is provided with a corresponding lamp panel, the lamp panels are used for displaying, the plurality of bottom shells are arranged in a matrix, the plurality of bottom shells are detachably connected, the sides, facing each other, of every two adjacent bottom shells are provided with compensation parts, and the compensation parts are connected with the lamp panels. The deformation coefficient of the material of the compensation part is larger than that of the material of the bottom shell. According to the LED display screen, the compensation parts are arranged on the edges of the bottom shells of the LED display screen, the deformation coefficient of the materials of the compensation parts is larger than that of the materials of the bottom shells, the gaps between the bottom shells are compensated ...

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01-12-2017 дата публикации

Digital structure based airplane assembly method

Номер: CN0107423514A
Принадлежит:

The invention relates to process design unit establishment with each assembly station as a unit on the basis of engineering digital modules in a CATIA software environment. A station introduction module of each unit includes a station name, a position number, a station number, a station edition and applicable sorties. Each part module comprises to-be-assembled part digital modules of the corresponding station and part digital modules with process states. Each standard part module comprises a pre-mounted fastener, a fastener, output guide hole positions or other hole positions. Each engineering requirement module imports needed engineering files, each fixture module imports needed assembly fixture digital modules, and each tool module imports needed tool digital modules. By adoption of lower station modules through upper station modules, an assembly manufacture data set of a whole airplane section is formed and includes all information required by process design, and MBOM and standard part ...

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23-05-2023 дата публикации

Method for preventing rough rolling tracking model from being disordered

Номер: CN116140370A
Принадлежит:

The invention relates to a method for preventing a rough rolling tracking model from being disordered, and belongs to the technical field of hot rolling strip steel production methods in the metallurgical industry. According to the technical scheme, the method comprises the steps that the length L of strip steel obtained after R2 reverse rolling and the rolled steel throwing length L1 are added, the adding result is compared with the distance L2 between the center line of R2 and the R1R2 middle tracking HMD, if (L + L1) is larger than L2, a steel entering forbidding signal is given to the strip steel to be rolled at an R1 inlet, R1 rolling is paused, after R2 reverse rolling is completed, rolling is conducted again, and if L2 is not larger than L2, the steel entering forbidding signal is given to the strip steel to be rolled at an R1 inlet, and the steel entering forbidding signal is sent to the strip steel to be rolled at an R1 inlet; and after the HMD signal between the R1 and the R2 ...

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04-04-2023 дата публикации

High-pressure air material-carrying progressive injection coal breaking and permeation enhancing device and method for extremely-soft coal seam

Номер: CN115898514A
Принадлежит:

The invention relates to a high-pressure air material-carrying progressive injection coal breaking and permeation enhancing device and method for an extremely soft coal seam, and belongs to the technical field of coal mine gas disaster control. A male connector and a female connector are arranged at the two ends of the device, a piston moving in the axial direction is arranged in an inner cavity, a low-pressure gas channel communicated with a drill bit and a high-pressure gas channel connected with a fin drill hollow shaft pin are arranged on the periphery of the cavity wall, and a drainage nozzle in a high-pressure gas jet channel sucks pulverized coal through screen holes; and the high-pressure air carrying the materials is progressively sprayed through the conical nozzle. Compressed air is generated through an air compressor and a high-pressure gas cylinder and enters the device and a drill bit, low-pressure gas is adopted for cooling and deslagging during drilling, high-pressure gas ...

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29-08-2023 дата публикации

Aircraft cable fault diagnosis method and system based on data driving

Номер: CN116660802A
Принадлежит:

The invention discloses an aircraft cable fault diagnosis method and system based on data driving, and the method comprises the following steps: collecting the test data of an aircraft cable, and generating a test data oscillogram through a Savitzky-Golay algorithm; analyzing the test data oscillogram, defining waveform features, and extracting the waveform features by using a second-order difference algorithm; analyzing and comparing the characteristics of the healthy waveform and the fault waveform, and recording the characteristic difference of the fault occurrence position into a Drools rule engine; and inputting test cable data and healthy cable data by using a Drools rule engine technology, and obtaining a fault conclusion by using a fault diagnosis rule so as to complete aircraft cable fault diagnosis. According to the invention, the working efficiency of aircraft cable fault diagnosis is greatly improved, and the repair cycle of the fault line of the aircraft cable is shortened.

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13-06-2023 дата публикации

Pneumatic control hydraulic hose collecting and discharging device and method for dredging blockage of underground extraction pipeline

Номер: CN116255190A
Принадлежит:

The invention relates to a pneumatic control hydraulic hose collecting and discharging device and method for dredging blockage of an underground extraction pipeline, and belongs to the technical field of coal mine underground gas extraction. Coal mine underground compressed air is used for providing a power source for the hydraulic hose collecting and discharging device. The hydraulic hose collecting and discharging device comprises a base, and a reel rotationally connected with the base is arranged on the base; the reel is connected with a first pneumatic pump arranged on the base through a first transmission mechanism to drive the reel to rotate, the reel is connected with a wire arranging device arranged on the base through a second transmission mechanism to enable the wire arranging device to rotate along with the reel to conduct synchronous wire arranging, and the first pneumatic pump is connected with a valve to control the first pneumatic pump to rotate forwards and backwards. A ...

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