Настройки

Укажите год
-

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

Подробнее
-

Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

Подробнее

Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Укажите год
Укажите год

Применить Всего найдено 13. Отображено 13.
21-07-2023 дата публикации

Fabricated viaduct construction progress identification method based on mobile array base stations

Номер: CN116471569A
Принадлежит:

The invention discloses an assembly type viaduct construction progress identification method based on a mobile array type base station, and aims to solve the problem that the existing video identification technology cannot meet viaduct assembly type construction progress management. The method comprises the steps that a positioning module is installed on a prefabricated part, an unmanned aerial vehicle flight line and a stay point location are set in a management platform and system, and the position of the positioning module and the stay point location are associated; the three unmanned aerial vehicles in the detection formation fly to a first stay point and read corresponding data of a first prefabricated part, the first unmanned aerial vehicle stays at the first stay point, the second unmanned aerial vehicle and the third unmanned aerial vehicle fly to a second stay point, the three unmanned aerial vehicles read corresponding data of a second prefabricated part, and the third unmanned ...

Подробнее
22-08-2023 дата публикации

Method for judging blocking state in pile sinking process of tubular pile

Номер: CN116629129A
Принадлежит:

The invention provides a method for judging a blocking state in a tubular pile sinking process, which comprises the following steps: in the tubular pile sinking process, a soil plug is subjected to combined action of downward gravity G, downward friction force F of a pile and upward supporting force N of a soil layer on the bottom surface of the soil plug, and the gravity G of the soil plug is smaller than the friction force F and the supporting force N and is neglected in the process; by obtaining and comparing the friction force F, the supporting force N and the critical acting force N0 of the soil layer at the bottom of the soil plug to the soil plug, the blocking effect exerting process during pile sinking of the tubular pile is divided into three states, namely the non-blocking state, the partially-blocking state and the completely-blocking state; when Ngt; when N0 is greater than or equal to F, a non-blocking state is achieved; when Ngt; fgt; when N0 is greater than N0, belonging ...

Подробнее
29-08-2023 дата публикации

Three-dimensional scanning maximum distance measurement determination method based on measurement precision and stability

Номер: CN116659377A
Принадлежит:

The invention discloses a three-dimensional scanning maximum distance measurement determination method based on measurement precision and stability, and the method comprises the steps: 1, preparing a site, erecting three-dimensional scanning equipment and a total station at intervals, setting a plurality of measurement points in the site, and enabling the distances from the measurement points to the point positions of the three-dimensional scanning equipment to form an arithmetic progression; 2, obtaining a three-dimensional coordinate of the three-dimensional scanning equipment relative to the total station; a hemispherical prism is arranged on a vertical rod at the measuring point, and the height of the hemispherical prism is matched with the height of the three-dimensional scanning equipment main body; 3, determining the maximum distance L1 of three-dimensional scanning based on the stability; 4, determining the maximum distance L2 of three-dimensional scanning based on the measurement ...

Подробнее
29-08-2023 дата публикации

Training method and system based on online interactive classroom

Номер: CN116665497A
Принадлежит:

The invention provides a training method and system based on an online interactive classroom, and relates to the technical field of Internet. In the invention, for each piece of network training terminal equipment, information acquisition operation is carried out on the network training terminal equipment so as to acquire a corresponding historical monitoring video. And for each piece of network training terminal equipment, carrying out video analysis operation on the historical monitoring video corresponding to the network training terminal equipment so as to output corresponding interaction degree information. According to the interaction degree information corresponding to each piece of network training terminal equipment, performing classroom training parameter determination operation on the plurality of pieces of network training terminal equipment to output target classroom training parameters corresponding to the plurality of pieces of network training terminal equipment, the target ...

Подробнее
25-03-2015 дата публикации

Deeply-buried rain water pipe deformation monitoring device and method

Номер: CN104457682A
Принадлежит:

The invention provides a deeply-buried rain water pipe deformation monitoring device and method, and relates to the technical field of underground pipe deformation monitoring. The method is used for solving the problem that deformation of a deeply-buried rain water pipe cannot be measured accurately in real time through a method that the deformation of the deeply-buried rain water pipe is manually and indirectly monitored. The deeply-buried rain water pipe deformation monitoring device comprises a first fixing portion, an adjustable portion and a second fixing portion. The first fixing portion is provided with a horizontal displacement sensor, and the second fixing portion is provided with a vertical displacement sensor. The upper end of the first fixing portion is connected with the upper surface of the inner wall of the deeply-buried rain water pipe in a tightly supported mode, and the lower end of the first fixing portion is connected with the upper end of the adjustable portion in a ...

Подробнее
29-08-2023 дата публикации

Online training examination method and system

Номер: CN116665107A
Принадлежит:

The invention provides an online training examination method and system, and relates to the technical field of Internet. In the invention, according to a historical monitoring video, classroom training parameter determination operation is carried out on a plurality of network training terminal devices so as to output a corresponding target classroom training parameter. And for each network training terminal device, carrying out video monitoring on the network training user corresponding to the network training terminal device so as to output a corresponding user monitoring video. For each piece of network training terminal equipment, state analysis operation is carried out on a network training user corresponding to the network training terminal equipment according to the user monitoring video corresponding to the network training terminal equipment, so that training state information corresponding to the network training user is output; and outputting a training examination result corresponding ...

Подробнее
16-06-2023 дата публикации

Using method of creeping formwork cylinder frame capable of improving safety character

Номер: CN116263058A
Принадлежит:

The invention provides a use method of a creeping formwork cylinder frame capable of improving the safety character, and the method comprises the steps: arranging lifting sensors in lifting holes of lifting lugs at the tops of four corners of a cylinder frame body, and arranging lifting lock catches at the positions, close to the corners, of the top of the cylinder frame body; grooves allowing the corresponding lifting lock catches to stretch into are formed in the guide rails at intervals in the longitudinal direction, when all the lifting sensors detect that the corresponding lifting ropes are located in the corresponding lifting holes, a worker in the cylinder frame body informs the controller to unlock the lifting lock catches through the operation display screen, and after all the lifting lock catches are unlocked, a tower crane constructor starts to lift the creeping formwork cylinder frame. Therefore, the four lifting lugs are all stressed in the lifting process of the creeping formwork ...

Подробнее
25-03-2015 дата публикации

Stress dispersion device and installation method thereof

Номер: CN104452943A
Принадлежит:

The invention provides a stress dispersion device and an installation method of the stress dispersion device, and relates to the technical field of deformation monitoring of underground pipelines. The stress dispersion device and the installation method of the stress dispersion device are used for solving the problem that a tensioning mechanism in a deformation monitoring device damages a pipe orifice of a rainwater pipe. The stress dispersion device comprises a pair of stress dispersion frames, an external hanging bracket and a pair of U-shaped pressing rods, wherein the stress dispersion frames, the external hanging bracket and the U-shaped pressing rods are fixedly connected in sequence, the external hanging bracket is hung on a protruding portion, the stress dispersion frames are symmetrically arranged above the external hanging bracket and are each fixedly connected with the wall of a rainwater well, the U-shaped pressing rods are symmetrically arranged at the upper side and the lower ...

Подробнее
30-10-2020 дата публикации

Dust monitoring device with mobility

Номер: CN0211825575U

The utility model discloses a dust monitoring device with mobility. The device comprises a track and a self-propelled dust detection device, the rail is a C-shaped rail; the self-propelled dust detection device is mounted on the rail; the self-propelled dust detection device moves along the track; the self-propelled dust detection device consists of a self-propelled device and dust detection equipment; the dust detection equipment is located on one side of the self-propelled device, a driving wheel is installed at the bottom of the self-propelled device, a driven toothed belt wheel is fixedlyarranged on one side of the driving wheel, a motor is installed at the bottom of the interior of the self-propelled device, and a driving toothed belt wheel is fixedly installed at an output shaft ofthe motor; according to the utility model, the defect that the monitoring area of the traditional air monitoring equipment is limited is overcome, the effect of monitoring the air quality of the wholeconstruction ...

Подробнее
22-08-2023 дата публикации

Ultra-large intelligent parking lot vehicle parking and taking dynamic induction method based on A-Star algorithm

Номер: CN116631217A
Принадлежит:

The invention discloses an A-Star algorithm-based ultra-large smart parking lot vehicle parking and picking-up dynamic induction method, relates to the technical field of smart parking lots, and aims to establish corresponding dynamic induction models by subdividing common vehicle parking and picking-up scenes of an ultra-large smart parking lot and verifying the effectiveness of the models through numerical simulation. The main innovation points are as follows: novel road resistance functions are respectively established according to different divided vehicle parking and taking scenes, and multiple factors such as only vehicle entry, only vehicle exit, and existing vehicle entry and vehicle exit are comprehensively considered; when the road resistance function is established, the whole parking process that a vehicle in a parking lot drives to a parking space, a driver walks to an elevator, the vehicle is reversely found, and the vehicle drives out of the parking lot is comprehensively ...

Подробнее
16-05-2023 дата публикации

Non-sensitive foundation pit overexcavation safety control device and control method

Номер: CN116132776A
Принадлежит:

The invention relates to a non-sensitive foundation pit overexcavation safety control device and control method.The non-sensitive foundation pit overexcavation safety control device comprises overexcavation judging devices and high-definition camera shooting equipment, the overexcavation judging devices are fixed to batten plates of latticed columns at certain intervals, and each overexcavation judging device comprises a distance measuring assembly, a control assembly, a signal sending assembly and a first battery which are electrically connected; the control assembly can set an automatic irradiation frequency and an alarm value, and activates the signal sending assembly to send an alarm signal if the alarm value is exceeded; and the high-definition camera equipment is fixed above the foundation pit enclosure and can receive alarm signals within a certain range, capture photos in real time, synchronously capture the photos and upload the photos to a corresponding management and control ...

Подробнее
03-06-2015 дата публикации

Underground space construction method and supporting structure

Номер: CN104675403A
Принадлежит:

The invention discloses an underground space construction method and a supporting structure and belongs to the technical field of civil building engineering construction. According to the underground space construction method and the supporting structure, a launching shaft and a receiving shaft are firstly constructed, then an enclosing structure and waterproof curtain construction of a whole planned whole underground space are completed, a pipe curtain is constructed to enable a first underground layer to form a waterproof space, a soil body in the pipe curtain is reinforced till the supporting structure is formed, excavation and supporting are carried out till a pipe curtain section is excavated to be through, meanwhile a structural body of the first underground layer is casted, and soil taking openings are reserved when base plate structure slabs of the first underground layer are cast; excavation of a soil body and casting construction of a structure body of a second underground layer ...

Подробнее
22-04-2015 дата публикации

Wall-hanging hydrostatic level mounting device and wall-hanging hydrostatic level mounting method

Номер: CN104535045A
Принадлежит:

The invention discloses a wall-hanging hydrostatic level mounting device and a wall-hanging hydrostatic level mounting method, belongs to the technical field of rock and soil monitoring, and aims at the problems that the installation is complicated and the construction period is prolonged because the mounting position needs to be repeatedly adjusted due to uneven side wall of the mounting field when the existing wall-hanging hydrostatic level is mounted. The device comprises an L-shaped fixing rack, a bubble level, an adjusting rack and a length measurer, wherein the L-shaped fixing rack is used for connecting the side wall and the wall-hanging hydrostatic level; the bubble level is arranged above the upper end cover of the wall-hanging hydrostatic level or above the base of the wall-hanging hydrostatic level; the adjusting rack consists of three threaded rods and corresponding nuts in the vertical direction; and the length measurer is hung at the lower part of the base of the wall-hanging ...

Подробнее