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 7. Отображено 7.
25-08-2023 дата публикации

Device and system for measuring component stress of drill hole

Номер: CN116641696A
Автор: ZHANG XIUFENG, LUO XINHENG, CAO JUN, YIN HAICHEN, LUO MINZHE
Принадлежит:

The invention discloses a device and a system for measuring component stress of a drill hole. The measuring device comprises a measuring tube, a limiting plate is arranged in the measuring tube, the limiting plate extends in the length direction of the measuring tube and is equal to the measuring tube in length, the measuring tube is suitable for deforming outwards when the internal pressure of the measuring tube is increased, and the limiting plate is used for limiting deformation of the measuring tube in the direction where the limiting plate is located. The perimeter of the cross section pattern of the measuring tube before and after deformation is unchanged, and the cross section pattern of the measuring tube before and after deformation is symmetrical about the limiting plate. The measuring system comprises a measuring device, a stress sensor, a stress collector and an oil pump, wherein a first end, a second end and a third end of the stress sensor are respectively connected with a ...

Подробнее
Номер записи: 1
04-08-2023 дата публикации

Design method and control system for control architecture of anti-impact drilling robot

Номер: CN116537761A
Автор: ZHANG CONG, WANG ZHONGBIN, GU JINHENG, SI LEI, ZHANG XIUFENG, WEI DONG, YAN HAIFENG, TAN CHAO, ZOU XIAOYU, DAI JIANBO, LIU XINHUA, LI GUOYING
Принадлежит:

The invention discloses an anti-scour drilling robot control architecture design method and a control system, and the method comprises the steps: constructing a four-layer network architecture model, and dividing a network into a driving layer, an interface layer, a core layer and a user layer according to functions; a walking control subsystem, a drilling tool posture adjusting subsystem, a drilling rod assembling and disassembling subsystem and a self-adaptive drilling subsystem are arranged on the driving layer; an equipment control interface, an equipment maintenance interface and a data acquisition interface are arranged on the interface layer; an equipment management unit, an environment sensing unit, an unmanned drilling unit, a running state monitoring unit and a working data unit are arranged on the core layer; a video monitoring system, a digital twin system and a man-machine interaction system are arranged on the user layer; the system comprises an anti-impact drilling robot, ...

Подробнее
Номер записи: 2
05-05-2023 дата публикации

Automatic pushing device for detecting instrument in drilling hole in dangerous area

Номер: CN116065992A
Автор: WANG GUANGHUI, ZHAO JIAXIN, WANG XIANGYU, ZHANG XIUFENG
Принадлежит:

The invention discloses an automatic pushing device for a detection instrument in a drilling hole in a dangerous area, the automatic pushing device comprises a detection device, a driving device and a meshing chain, the detection device comprises a probe and a data line connected with the probe, the meshing chain comprises a chain I and a chain II, the chain I and the chain II are mutually buckled into a whole and can be separated after being disengaged, and the driving device is connected with the driving device. When the chain I and the chain II are buckled, the data line is located inside the chain I and the chain II. Buckling and separation of the chain I and the chain II are executed through a driving device, the driving device comprises a servo pulse motor I, a servo pulse motor II, a chain wheel I and a chain wheel II, the chain wheel I is located on the outer side of the chain I and meshed with the chain I to drive the chain I to advance and retreat, and the chain wheel II is located ...

Подробнее
Номер записи: 3
15-08-2023 дата публикации

Device and system for measuring omnidirectional stress of drill hole

Номер: CN116591660A
Автор: LUO XINHENG, ZHANG XIUFENG, CAO JUN, YIN HAICHEN, LUO MINZHE
Принадлежит:

The invention discloses a device and a system for measuring omnidirectional stress of a drill hole. The measuring device for the omni-directional stress of the drill hole comprises a measuring pipe, the measuring pipe is provided with at least three convex parts, each convex part extends in the length direction of the measuring pipe, the length of each convex part is equal to that of the measuring pipe, the convex parts are evenly distributed in the circumferential direction of the measuring pipe, and the measuring pipe is suitable for being integrally deformed outwards when the internal pressure of the measuring pipe is increased. The perimeter of the cross section pattern of the measuring tube is not changed before and after deformation, and the convex parts are suitable for abutting against the inner wall of the drill hole after the measuring tube is deformed. The system for measuring the omnidirectional stress of the drill hole comprises the device for measuring the omnidirectional ...

Подробнее
Номер записи: 4
28-07-2023 дата публикации

Impact dangerous area identification method based on in-hole impact and borehole stress distribution

Номер: CN116498383A
Автор: LI XUWEI, LUO YU, CAO ANYE, SHENG SHIJIE, DOU LINMING, ZHANG XIUFENG, MA XIANG, HE HU, BAI JIANBIAO, WANG XIANGYU, HUANG RUI
Принадлежит:

The invention discloses an impact dangerous area identification method based on in-hole impact and borehole stress distribution, and belongs to the technical field of coal mine safety mining engineering. The method comprises the following steps: generating a stress distribution cloud chart of a to-be-evaluated region according to borehole stress obtained by inversion in a large-diameter borehole construction process, discretizing the to-be-evaluated region, and performing stress attribute assignment on discrete blocks; obtaining a discrete block set containing in-hole impact; clustering the discrete blocks of the to-be-evaluated region, and calculating the in-hole impact coverage rate of each subclass; and calculating the number of clustered effective block segments meeting the set in-hole impact coverage rate, and selecting a clustered effective block segment set containing the least number of block segments as a final predicted impact block segment. And according to a clustering analysis ...

Подробнее
Номер записи: 5
08-08-2023 дата публикации

Well-ground combined micro-seismic monitoring effect evaluation and improvement method

Номер: CN116559958A
Автор: YANG SHUO, GONG SIYUAN, DOU LINMING, ZHANG XIUFENG, HAN YUEYONG, LIU CHUANCHENG, GE QING
Принадлежит:

The invention relates to a well-ground combined micro-seismic monitoring effect evaluation and improvement method, which comprises the following steps of: determining two evaluation indexes of positioning capability and monitoring capability for measuring a well-ground combined micro-seismic monitoring effect, constructing a positioning capability evaluation function D and a monitoring capability evaluation function Q, and substituting into a coal mine well-ground combined micro-seismic platform network coordinate for monitoring effect evaluation. A plurality of ground sensor candidate point coordinates are generated, a plurality of well-ground joint network layout schemes are randomly generated, and the generated network layout schemes are used as initial population evaluation evolution by improving an NSGA-II multi-target genetic algorithm. And according to the generated NSGA-II multi-target genetic improvement algorithm iteration result, providing a station network layout scheme after ...

Подробнее
Номер записи: 6
30-06-2023 дата публикации

Forked roadway high-strength control system and construction method

Номер: CN116357353A
Автор: ZANG JINCHENG, HUANG YUBING, GAO XIANG, TIAN HONGDI, ZHAO ERHUI, ZHANG CHONG, ZHANG XIUFENG, MA XIAONING, WANG HAISHEN, SUN YUANYUAN, DONG XIULEI, ZHANG WEINAN, CHEN CHENGZHI, WANG JUNLEI, ZHANG QIAN, MA MINGYUE, XUE HUAISHUAI
Принадлежит:

The invention provides a forked roadway high-strength control system and a construction method, and belongs to the technical field of roadway supporting, the system comprises an arch frame assembly located in a forked area of a roadway, a plurality of two-side supporting devices, a plurality of pressure equalizing devices and two fixing seats, the forked area of the roadway comprises a roadway top plate, a roadway bottom plate and two side surrounding rocks, the arch frame assembly comprises a plurality of supporting parts, and the supporting parts are connected to a roadway top plate, a roadway bottom plate and surrounding rocks on the two sides. The two-side supporting device is connected to the supporting part and the two-side surrounding rock; the pressure equalizing device is connected to the outer side of the supporting part; one adjusting fixing seat is connected to the top of the supporting part, and the other adjusting fixing seat is connected to the bottom of the supporting part ...

Подробнее
Номер записи: 7