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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 23. Отображено 23.
01-08-2023 дата публикации

Grounding hanging ring mounting and positioning device and use method thereof

Номер: CN116526242A
Автор: GAO WENBIN, BAO LEI
Принадлежит:

The invention discloses a grounding hanging ring mounting and positioning device and a use method thereof, and relates to the technical field of grounding hanging ring hanging, the grounding hanging ring mounting and positioning device comprises a support, the lower side of the support is fixedly provided with an operation rod; the two groups of mounting and positioning mechanisms are symmetrically arranged, the mounting and positioning mechanisms are vertically mounted on the bracket in a turnover manner, and the mounting and positioning mechanisms are in an open state before being turned over and are in a locked state after being turned over; the two groups of limiting mechanisms are respectively used for positioning the overturning angles of the two groups of mounting positioning mechanisms; the clamp pre-fixing mechanism is fixed on one side of the bracket; the two limiting mechanisms are located on the lower side of the clamp pre-fixing mechanism; according to the invention, through ...

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11-07-2023 дата публикации

High-durability concrete crack control method

Номер: CN116408880A
Принадлежит:

The invention relates to the technical field of concrete crack control methods, in particular to a high-durability concrete crack control method which comprises the following steps that S1, concrete materials are stirred and smashed; s2, carrying out defoaming pretreatment on the concrete material; and S3, carrying out stress analysis on the engineering structure, and splitting the concrete member based on the stress analysis of the engineering structure. In the invention, through the stirring and smashing device, the effect of circulating stirring and smashing treatment is achieved, the execution completeness of smashing and stirring work is improved, polycarboxylic acid is introduced in the process, the viscosity is improved, an air entraining agent and a defoaming agent are introduced, and the effects of discharging large bubbles and introducing small bubble molecules are achieved; and then the concrete member is split through engineering structure stress analysis, the curing mode needing ...

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16-05-2023 дата публикации

Method for reducing sulfate radicals in spherical nickel product

Номер: CN116119743A
Принадлежит:

The invention discloses a method for reducing sulfate radicals in a ball nickel product, which comprises the following steps of: 1) adding liquid caustic soda with the concentration of 20-40% and the addition amount of 0.3-0.5 L/kg into spherical nickel hydroxide, stirring for at least 1 hour, clarifying for 30 minutes and discharging supernate, 2) adding liquid caustic soda with the concentration of 20-70% and the addition amount of 0.3-0.8 L/kg for the second time, stirring for at least 1 hour, clarifying for 30 minutes and discharging supernate, and 3) adding pure water with the temperature of 60 DEG C and the addition amount of 8-16L/kg and washing for at least 1 hour.

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16-05-2023 дата публикации

Nickel oxidation method for low-resistance cobalt-coated ball

Номер: CN116119742A
Принадлежит:

The invention discloses a low-resistance cobalt-coated ball nickel oxidation method which comprises the following steps: (1) adding caustic soda flakes into pure water to prepare caustic soda liquid with the concentration of 60-70%; (2) 200-300 kg of the cobalt-coated material is added into a reactor, and then 6-10 L of the liquid caustic soda obtained in the step (1) is added; and (3) heating the reactor to 80 DEG C or above, introducing oxygen at the flow rate of 10-20 m < 3 >/h, and stirring for at least 25 minutes to finish oxidation.

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09-05-2023 дата публикации

Antiviral paint and preparation method thereof

Номер: CN116082902A
Автор: GAO WENBIN
Принадлежит:

The invention relates to the field of paint, and particularly discloses antiviral paint and a preparation method thereof.The antiviral paint is prepared from, by weight, 10-20 parts of acrylic resin, 10-20 parts of epoxy resin, 2-6 parts of cross-linking auxiliaries, 1-3 parts of adhesion auxiliaries, 1-3 parts of defoaming agents, 1-3 parts of flatting agents, 2-4 parts of silane coupling agents and 0.5-1 part of nano silicon dioxide. The anti-bacterial and antibacterial fabric is characterized by further comprising 1-2 parts of a silver ion antibacterial agent, 1-4 parts of silver-loaded titanium dioxide and 2-5 parts of nano bamboo charcoal fibers. The paint prepared by the invention has the advantages of good dispersing performance and good antiviral performance.

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16-05-2023 дата публикации

Method for removing iron from nickel sulfate solution

Номер: CN116119744A
Принадлежит:

The invention discloses a method for removing iron from a nickel sulfate solution, which comprises the following steps: (1) heating: adding a high-iron nickel sulfate solution of which the iron element content is greater than or equal to 0.1 g/L into a reaction tank, starting stirring, and heating to be greater than or equal to 30 DEG C; (2) reaction: hydrogen peroxide is added into the solution in the step (1), the adding amount is 50-200 times of the total molar weight of iron in the solution, stirring is continuously carried out, and stirring is stopped after the reaction is carried out for at least 0.5 h; and (3) filtering: filtering the iron-removed solution obtained in the step (2) through a plate-and-frame filter press to obtain the low-iron nickel sulfate solution with the iron element content being less than or equal to 0.05 g/L.

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02-05-2023 дата публикации

Bendable belt conveyor belt turning stabilizing device and implementation process

Номер: CN116040231A
Принадлежит:

The invention discloses a bendable belt conveyor belt turning stabilizing device and an implementation process, and relates to the technical field of belt conveyors, the device comprises a bearing rack, a telescopic beam, a carrier roller bracket and a conical aligning carrier roller; the two ends of the telescopic beam are connected with the two sides of the bearing rack correspondingly. The carrier roller support is arranged on the telescopic beam, the conical self-aligning carrier roller is arranged on the top of the carrier roller support, and the conical self-aligning carrier roller makes contact with the upper surface of the belt. The size parameter of the conical aligning carrier roller is determined according to the difference between the inner diameter and the outer diameter when the belt turns, the stabilizing device is arranged on the turning inner side of the conveyor, and the conical aligning carrier roller is arranged to be attached to the upper portion of the belt. Compensation ...

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26-05-2023 дата публикации

Bonding process of square cabin large plate

Номер: CN116160755A
Принадлежит:

The invention provides a square cabin large plate bonding process. The square cabin large plate bonding process is characterized by comprising the following steps that 1, the size of a core plate is determined; 2, a plurality of drainage grooves are formed in the front face and the back face of the core plate, and cleaning is conducted; 3, inner and outer skins are subjected to material feeding, and the bonding surfaces are cleaned; 4, the back face of the core plate and the back face of the corresponding inner skin are coated with an adhesive, and bonding is carried out; 5, the front face of the core plate and the back face of the corresponding outer skin are coated with an adhesive for bonding; and 6, pressing and curing the bonding large plate bonded with the inner skin and the outer skin to obtain the square cabin large plate. The problems that the bonding quality is reduced and the service life of the large plate is affected due to bubbles and cavities in the bonding process are effectively ...

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04-07-2023 дата публикации

Large-diameter pipeline socket butt joint auxiliary device and using method

Номер: CN116379216A
Принадлежит:

The invention discloses a large-diameter pipeline socket butt joint auxiliary device and a use method, and relates to the technical field of pipeline installation. The large-diameter pipeline socket butt joint auxiliary device comprises a bottom supporting part, a propelling part and a top adjusting part; the top adjusting part is arranged on the propelling part and used for supporting the pipeline and conducting centering adjustment on the pipeline to be installed; the propelling part is arranged on the bottom supporting part and used for bearing the top adjusting part and driving the top adjusting part to move in the axial direction of the pipeline; the bottom supporting component is used for bearing the propelling component and the top adjusting component and carrying out horizontal adjustment of the whole device and preliminary adjustment of pipeline installation. According to the pipeline butt-joint device, rapid adjustment, alignment and butt joint of large-diameter pipelines are ...

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15-08-2023 дата публикации

Ultrathin 90-degree twisted waveguide and manufacturing method thereof

Номер: CN116598732A
Принадлежит:

The invention discloses an ultrathin 90-degree twisted waveguide and a manufacturing method thereof, and mainly solves the problems of large size and poor performance of the conventional twisted waveguide. The filter comprises an input waveguide (1), a transition waveguide (2) and an output waveguide (3). The input waveguide and the output waveguide are standard rectangular waveguides; the shape and size of the transition waveguide (2) are determined according to use requirements, the thickness of the transition waveguide (2) ranges from 0.15 lambda g to 0.5 lambda g, and an 8-shaped waveguide cavity structure is adopted. The 8-shaped waveguide cavity structure is formed by partially overlapping two arc-shaped cavities, the central axis of the 8-shaped waveguide cavity structure coincides with the central axis of the connected rectangular waveguide, the included angle between the symmetric axis of the 8-shaped waveguide cavity structure and the connected rectangular waveguide is 45 degrees ...

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29-08-2023 дата публикации

Tunneling and anchoring all-in-one machine

Номер: CN116658190A
Принадлежит:

The invention discloses a digging and anchoring all-in-one machine which comprises a walking part, a driving device, a machine body bearing base, a control device, a hydraulic system, a cutting part, a platform sliding rail, a forward-moving type supporting platform, a slidable suspension type anchor rod drilling machine, a blocking and protecting plate and a temporary hydraulic supporting column. The control device is connected with the hydraulic system through a pipeline, platform sliding rails are arranged on the two sides of the machine body bearing base, the forward-moving type supporting platform is arranged on the platform sliding rails, the slidable beam is arranged on the forward-moving type supporting platform, the slidable suspension type jumbolter is arranged on the slidable beam in a suspension mode, and flexible and rapid supporting of a top plate and side portions is achieved. The forward-moving type supporting platform slides and moves forwards along the platform sliding ...

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11-04-2023 дата публикации

Wheel type magnetic adsorption wall-climbing robot

Номер: CN115946789A
Принадлежит:

The invention discloses a wheel type magnetic adsorption wall-climbing robot, and relates to the technical field of intelligent machinery. The passive attitude transformation device is arranged on the lower side of the rack, and the passive attitude transformation device has a multi-dimensional displacement and rotation function; the driving device comprises a first driving mechanism and a second driving mechanism, the first driving mechanism is fixed to the lower side of the rack, the second driving mechanism is arranged on the lower side of the passive posture changing device, and the passive posture changing device achieves multi-dimensional displacement and rotation of the second driving mechanism. The driving device adsorbs the pipe wall and drives the whole rack to move; according to the wheel type magnetic adsorption wall-climbing robot, the phenomenon that all motors are asynchronous when the wheel type magnetic adsorption wall-climbing robot walks on an uneven working face is effectively ...

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16-05-2023 дата публикации

Modular production system and process for square cabin frame

Номер: CN116117387A
Принадлежит:

The invention provides a modular production system and process for a shelter frame, and the system comprises an AGV (Automatic Guided Vehicle) for conveying parts to be welded to a welding station; the moving machine is used for moving the shelter top frame and the shelter bottom frame to be welded to a welding station; the positioning device is used for fixing to-be-welded square cabin top and bottom frames on the welding station; the welding robot is used for welding the to-be-welded square cabin top frame, the to-be-welded square cabin bottom frame and parts; the conveying machine is used for sending out the square cabin top frame and the square cabin bottom frame which are formed through welding; and the controller is used for controlling all the devices, and intelligent, efficient and automatic welding is completed through the controller. The square cabin top frame, the square cabin bottom frame and parts can be moved, fixed, welded and sent out, a large amount of labor force is liberated ...

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02-05-2023 дата публикации

Slotting type empty-roof-free instant supporting digging and anchoring all-in-one machine and tunneling method

Номер: CN116044392A
Принадлежит:

The invention discloses a grooving type empty-roof-free supporting, digging and anchoring all-in-one machine and a tunneling method.The all-in-one machine comprises a tunneling machine, a supporting frame, a rock cutting saw, a side anchor rod machine and a top anchor rod machine, the supporting frame is arranged in the trend of a roadway and comprises two trend beams, stand columns and cross beams, the two trend beams are located on the two sides of the top of the roadway and are arranged in parallel in the trend of the roadway, and the stand columns are located on the two sides of the top of the roadway; the stand columns are located on the two sides of a roadway, the number of the stand columns is the same, the bottoms of the stand columns make contact with the ground through sliding shoes, the tops of the stand columns are perpendicularly connected with the bottom faces of the strike beams, the two strike beams are connected through the multiple cross beams from the tops, and the supporting ...

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26-05-2023 дата публикации

Mining camera edge imaging distortion compensation device

Номер: CN116170676A
Принадлежит:

The invention discloses a mining camera edge imaging distortion compensation device. The mining camera edge imaging distortion compensation device comprises a filter, a camera and a shielding cover. The filter comprises a filter element, a filter cover, a positive pressure fan and an air conveying pipe, the filter element is located at an air inlet in the rear end of the filter cover, the positive pressure fan is installed in the filter cover, the front end of the filter cover is fixedly connected with the rear end of the camera, and the rear end of the air conveying pipe is communicated with the interior of the filter cover. The shielding cover comprises a cover body, an air passing hole, an annular air outlet and an inclined air outlet, the rear end of the cover body is fixedly connected with the lens end of the camera, and the air passing hole is located in the wall of the cover body and extends in the length direction of the cover body. The front end of the air conveying pipe is connected ...

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25-07-2023 дата публикации

Prestack seismic data strong scattering noise suppression method and system based on residual network

Номер: CN116482749A
Принадлежит:

The invention discloses a residual network-based pre-stack seismic data strong scattering noise suppression method and system, and the method comprises the steps: constructing a CABDCN network, randomly extracting 5% of pre-stack seismic data for training, carrying out the denoising processing through employing an unsupervised deep learning method, and obtaining corresponding label data, the noisy seismic data and the corresponding clean labels form a training set of the network, and data not selected in the training set serves as a test set. And randomly extracting a plurality of 60 * 60 data input networks from each seismic trace set of the training set for training. And after training is completed, processing the seismic data in the test set by using the network, and completing suppression of various random noises in the pre-stack seismic data. According to the method, the interference problem of random noise in post-stack three-dimensional seismic data is solved, random noise in pre-stack ...

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29-08-2023 дата публикации

Multi-rubber strip processing device and method capable of synchronously clamping, cutting and collecting

Номер: CN116653012A
Принадлежит:

The invention discloses a multi-rubber-strip processing device and method capable of synchronously clamping, cutting and collecting, and belongs to the technical field of automatic rubber strip cutting. The multi-rubber-strip processing device comprises a lifting table assembly, a cutting assembly, a clamping and shifting assembly, a two-degree-of-freedom assembly, a louver vehicle and a material containing box; the lifting platform assembly is located below the cutting assembly, a plurality of layers of material containing plates are arranged in the shutter vehicle, a plurality of rubber strips to be cut are stored on the material containing plates, the clamping and shifting assembly is arranged on the two-degree-of-freedom assembly, the two-degree-of-freedom assembly drives the clamping and shifting assembly to move, and the rubber strips to be cut are cut through the two-degree-of-freedom assembly. The multiple rubber strips to be cut on the material containing plate are clamped to the ...

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21-04-2023 дата публикации

Advanced separation top control and side protection type digging and anchoring all-in-one machine and tunneling method

Номер: CN115992703A
Принадлежит:

The invention discloses an advanced separation top control and side protection type driving and anchoring all-in-one machine and a driving method, the all-in-one machine comprises a driving machine, a supporting frame, a high-strength circular saw, a side anchor rod machine and a top anchor rod machine, the supporting frame is arranged along the trend of a roadway and comprises a trend beam, a stand column and a cross beam, a telescopic oil cylinder is arranged in the stand column, and a telescopic oil cylinder is arranged in the cross beam. The supporting frame is driven by the sliding mechanism to move back and forth in the direction of a roadway, and the three high-strength circular saws are installed at the foremost end of the supporting frame. The side bolting machines are located between the two stand columns on the left side and the right side of the supporting frame. According to the invention, the advanced cutting area is arranged in advance, so that disturbance to formal cutting ...

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23-06-2023 дата публикации

Automatic conveying line for ring piece detection materials

Номер: CN116281090A
Принадлежит:

The invention discloses an automatic conveying line for ring piece detection materials, relates to the technical field of ring piece machining, and provides a suspension conveying line which is provided with a linear interval. The material guiding groove is arranged along the linear interval of the suspension conveying line, and the material guiding groove is used for rolling guiding and safety protection of the ring piece; the feeding transfer device is in butt joint with the head of the material guide groove, and the feeding transfer device is used for hoisting the to-be-detected ring piece into the feeding transfer device through a feeding cantilever crane; the blanking switching device is in butt joint with the tail part of the material guide groove, and the blanking switching device is used for placing the detected ring piece and is used for hoisting and moving out the detected ring piece by a blanking cantilever crane; the plurality of material pushing assemblies are mounted on the ...

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23-06-2023 дата публикации

Advanced-protection wall-caving-prevention empty-roof-free tunneling and anchoring integrated machine and tunneling method

Номер: CN116291427A
Принадлежит:

The tunneling and anchoring integrated machine comprises a tunneling machine, a supporting frame, an advanced drilling machine, a side bolting machine and a top bolting machine, the supporting frame is arranged in the trend of a roadway and comprises two trend beams, stand columns and cross beams, the two trend beams are located on the two sides of the top of the roadway and arranged in parallel in the trend of the roadway, and the stand columns are located on the two sides of the top of the roadway. The stand columns are located on the two sides of a roadway, the tops of the stand columns are perpendicularly connected with the bottom faces of the strike beams, the two strike beams are connected through the cross beams from the tops, a sliding mechanism is arranged on a tunneling machine body, and part of the stand columns on the two sides of the supporting frame are fixedly connected with the sliding mechanism. The advance drilling machines are installed on the front end face of the supporting ...

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04-04-2023 дата публикации

Anti-fingerprint antibacterial paint spraying coating composition

Номер: CN115895371A
Автор: GAO WENBIN, LUO JIANPING
Принадлежит:

The invention relates to the technical field of coatings, and particularly provides an anti-fingerprint antibacterial paint spraying coating composition which comprises the following raw material components: 100 parts of acrylate resin, 100-1000 parts of an organic solvent, 0.1-5 parts of an antibacterial anti-fingerprint additive, 10-70 parts of a cross-linking agent and 1-10 parts of an auxiliary agent. The antibacterial anti-fingerprint additive is obtained by further polymerizing an organic chain segment containing a carbon-carbon unsaturated double bond and a mesoporous carrier containing an antibacterial component with perfluoroalkyl acrylate. A coating formed by spraying and curing the anti-fingerprint and antibacterial paint spraying coating composition has relatively good antibacterial property and anti-fingerprint property, and the performance stability is good.

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18-07-2023 дата публикации

Bendable belt conveyor with belt self-adaptive conveyor bending structure

Номер: CN116443493A
Принадлежит:

The invention discloses a bendable belt conveyor with a belt self-adaptive bending structure. The bendable belt conveyor comprises a belt frame, an upper carrier roller, a lower carrier roller, an upper rolling shaft, a lower rolling shaft, a circular guide groove, a belt, rivets, a flexible steel wire rope and a driving roller. An upper rolling shaft and a lower rolling shaft which are respectively provided with an upper carrier roller and a lower carrier roller are arranged on each belt frame at intervals up and down; a circular guide groove is formed in the upper carrier roller, the flexible steel wire rope is in transition rigid connection with the belt through a rivet, and the belt is limited through a limiting part, arranged in the circular guide groove, of the flexible steel wire rope. The flexible steel wire rope is arranged on the driving roller in a sleeving mode and operates along with the roller through friction resistance with the driving roller, the flexible steel wire rope ...

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14-07-2023 дата публикации

Torque-adjustable bolt synchronous tightening device

Номер: CN116423192A
Принадлежит:

The invention discloses a torque-adjustable bolt synchronous tightening device. The torque-adjustable bolt synchronous tightening device comprises a support; the driving motor is mounted on the bracket; the two screwing sleeves are rotationally mounted on the bracket; the transmission mechanism drives the two screwing sleeves to rotate through power of the driving motor, the transmission mechanism comprises two idler shafts, the two idler shafts are provided with first idler wheels for driving the two screwing sleeves to rotate respectively, and the first idler wheels and the idler shafts are flexibly connected through damping pieces. The torque between the idle wheel shaft and the first idle wheel can be adjusted through a damping piece. Due to the arrangement of the damping piece, when one bolt is tightened to a preset torque value, the corresponding idler shaft idles, and the bolt cannot be continuously screwed, so that the tightening tightness of the two bolts can be ensured to be consistent ...

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