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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.
18-04-2023 дата публикации

Tunneling equipment

Номер: CN115977651A
Автор: SUN ZHIHONG, CAO CHENXU, ZHU YING, JIANG LIJIE, NIAN JUNJIE, YOU WEIXING, WEN YONGLIANG, XU JIAOJIAO, SUN SHULAN
Принадлежит:

The invention provides tunneling equipment, and relates to the technical field of tunnel construction, and the tunneling equipment comprises a vehicle body; the generating device is arranged on the vehicle body and is used for generating a thermal fragmentation medium; the spraying device is arranged on the vehicle body and is used for spraying the thermal fragmentation medium; and the impact device is arranged on the injection device and is used for impacting the rock layer. According to the tunnel equipment, the generating device used for generating the thermal fragmentation medium is arranged on the vehicle body, the thermal fragmentation medium is sprayed to the rock layer through the spraying device, so that the rock layer is fragmented due to thermal stress, and after complete thermal fragmentation work of rock is completed, the thermal fragmentation medium is sprayed to the rock layer through the spraying device. And the impact device arranged on the injection device is used for ...

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Номер записи: 1
04-06-2020 дата публикации

NOVEL HOBBING CUTTER HOLDER CAPABLE OF QUICK CUTTER REPLACEMENT, AND CUTTER REPLACEMENT METHOD THEREFOR

Номер: WO2020108094A1
Автор: YE, Lei, JIANG, Lijie, WEN, Yongliang, ZHAO, Mengyuan, JIA, Lianhui
Принадлежит:

A novel hobbing cutter holder capable of quick cutter replacement, solving the problems in the prior art of cumbersome effort and low degree of automation for hobbing cutter replacement. Said novel hobbing cutter holder comprises a box body (8), a hobbing cutter (9) being provided inside the box body (8), a C-shaped block (1) and abutting blocks (2) being provided in the box body (8), a cutter shaft (201) of the hobbing cutter (9) being located in the C-shaped block (1) and abutting against the abutting blocks (2), and a driving mechanism being connected to the abutting blocks (2). Also disclosed is a cutter replacement method for a novel hobbing cutter holder capable of quick cutter replacement. The abutting sliders are driven by the driving mechanism to abut against or move away from the cutter shaft, and manual screwing of a plurality of screws is not required during the cutter replacement, only the driving mechanism is required to loosen the cutter shaft, so that the cutter shaft enters ...

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Номер записи: 2
22-05-2020 дата публикации

HIGH-VOLTAGE PULSE DISCHARGE AND MECHANICAL COMBINED ROCK BREAKING-BASED NOVEL BORING MACHINE

Номер: WO2020098415A1
Автор: JIANG, Lijie, LI, Jianbin, WEN, Yongliang, JIA, Lianhui, HE, Fei
Принадлежит:

A high-voltage pulse discharge and mechanical combined rock breaking-based novel boring machine, comprising a main boring machine and rear supporting equipment. A front end of the main boring machine is provided with a cutter head cutter system (1), an electrode (21) is provided on the cutter head cutter system (1), and a high-voltage pulse arc control system is connected on the electrode (21). The cutter head cutter system comprises a cutter head body (22) and a hob (20). The electrode (21) is an electrode scraper made of an electrode material. The electrode scraper and the hob (20) are both provided on the cutter head body (22). The cutter head body (22) is connected to a main drive provided in the main boring machine. The present boring machine uses high-voltage pulse discharge and mechanical combined rock breaking to form the effect of high-voltage pulse arc breakdown coupled with hobs, electrode scrapers and other forms for rock breaking, which improves rock breaking efficiency, reduces ...

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Номер записи: 3
04-06-2020 дата публикации

FULL FRACTURE SURFACE TUNNELING MACHINE USING HIGH SPEED PARTICLE IMPACT TO BREAK ROCK AND CONSTRUCTION METHOD

Номер: WO2020108093A1
Автор: LI, Jianbin, JIANG, Lijie, WEN, Yongliang, JIA, Lianhui, HE, Fei
Принадлежит:

Disclosed is a full fracture surface tunneling machine using high speed particle impact to break rock, solving the problems in the prior art such as abnormal wear and increasing replacement frequency of the hob as well as easy damage of the main bearing and mechanical tools of the tunneling machine in hard rock tunnel construction for railways, water and electricity supply, transport, mines and municipal facilities. The tunneling machine comprises a main unit and back-up equipment. A cutterhead (1) is disposed at the front end of the main unit, a mucking system (5) is disposed at the rear of the cutterhead (1), a particle nozzle (2) is disposed on the cutterhead (1), and the particle nozzle (2) is connected with a particle injection system. Further disclosed is a construction method by means of the full fracture surface tunneling machine using high speed particle impact to break rock. With a cutterhead structure having particle nozzle or in cooperation with disc-shaped hob and scrapper, ...

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Номер записи: 4
30-04-2020 дата публикации

ROBOT-SUPPORTED FLEXIBLE-ARM BORING MACHINE CAPABLE OF EXCAVATING TUNNEL WITH ARBITRARY CROSS SECTION

Номер: WO2020082746A1
Автор: JIANG, Lijie, LI, Jianbin, HE, Fei, JIA, Lianhui, NING, Xiangke, QI, Zhichong, ZHANG, Ningchuan, WEN, Yongliang
Принадлежит:

Disclosed is a robot (4)-supported flexible-arm boring machine capable of excavating a tunnel with an arbitrary cross section. The flexible-arm boring machine comprises a cutter-head cutting tool system (1) and a main beam (6). A rear portion of the main beam (6) is connected to a front portion of a rear gripper (8) by means of a thrust cylinder (7); a rear portion of the rear gripper (8) is connected to a rear support (9); and a front portion of the main beam (6) is flexibly connected to the cutter-head cutting tool system (1) by means of the robot (4).

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Номер записи: 5
18-04-2023 дата публикации

Fault diagnosis method of tunneling equipment and intelligent tunneling equipment

Номер: CN115982551A
Автор: JIA LIANHUI, JIANG LIJIE, WEN YONGLIANG, SUN ZHIHONG, ZHENG YONGGUANG, WANG HENG, XU JIAOJIAO, LI MINGZE, ZHANG PEI, WANG RUOYU
Принадлежит:

The invention relates to a fault diagnosis method of tunneling equipment and intelligent tunneling equipment. The fault diagnosis method comprises the following steps: S1, respectively acquiring operation data of a plurality of working systems of the tunneling equipment through a plurality of intelligent sensing terminals; step S2, preprocessing the operation data; s3, performing feature analysis on the preprocessed operation data to obtain state feature data; and S4, operating the state characteristic data by adopting a plurality of fault models, and carrying out weight matching on fault diagnosis parameters output by each fault model to obtain fused fault diagnosis parameters.

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Номер записи: 6
09-05-2023 дата публикации

TBM (Tunnel Boring Machine) ballast identification system and vibration compensation method thereof

Номер: CN116084985A
Автор: JIA LIANHUI, WEN YONGLIANG, WANG HENG, JIANG LIJIE, YANG SONGQI, ZHANG PEI
Принадлежит:

The invention relates to a TBM ballast identification system and a vibration compensation method thereof, and belongs to the technical field of equipment control. The TBM ballast identification system comprises a static platform which is fixed above a TBM ballast conveying device through a fixing device, and a pose detection device is fixed on the static platform; the movable platform is arranged below the static platform and above the TBM ballast conveying device, and a camera device is fixed on the movable platform; the movable platform and the static platform are fixedly connected through a plurality of actuators, and the actuators are telescopic equipment; the input end of the controller is connected with the pose detection device, and the output end of the controller is in control connection with the actuators; and the controller is used for calculating the expansion and contraction amount of each actuator according to the vibration data of the static platform so as to control the ...

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Номер записи: 7
08-08-2023 дата публикации

Working method of robot for detecting or replacing cutter head cutter of shield tunneling machine and shield tunneling machine

Номер: CN116551688A
Автор: SUN YANMING, JIANG LIJIE, YUAN XIAOWEI, YANG HANG, WEN YONGLIANG, WANG YIXIN, WU QIANKUN, LI ZHENGDAO, QIAN HAO, PENG FEIHU, WANG RUOYU, ZHANG PEI, LI MINGZE, WANG HENG, ZHANG HONGLEI, ZHANG KAI
Принадлежит:

The invention relates to an operation method of a robot for detecting or replacing a cutter head and a cutter of a shield tunneling machine and the shield tunneling machine. The operation method comprises the following steps: constructing a database of collision-free paths of the robot (3); acquiring a current posture of a robotic arm of the robot (3) and acquiring a target posture of the robotic arm; querying a collision-free path from the current attitude to the target attitude in the database, and optimizing the path; and controlling the robotic arm to move from the current attitude to the target attitude according to the optimized path.

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Номер записи: 8
16-06-2023 дата публикации

Shield tunneling machine duct piece synchronous assembly control method and shield tunneling machine

Номер: CN116263109A
Автор: JIANG LIJIE, JIA LIANHUI, WEN YONGLIANG, WANG HENG, YANG SONGQI, LI MINGZE, ZHANG PEI, WANG RUOYU
Принадлежит:

The invention provides a shield tunneling machine duct piece synchronous assembly control method and a shield tunneling machine, and belongs to the technical field of shield tunneling machine duct piece assembly. In the synchronous assembling process, the position of a parallel mechanism of a propelling system is analyzed, the target displacement of a propelling oil cylinder in a pushing area is obtained, and the propelling oil cylinder is controlled to stretch out and draw back according to the target displacement. When the thrust oil cylinder is controlled to stretch out and draw back, the target speed is obtained according to the target displacement through a speed-based control method, the thrust oil cylinder is controlled to stretch out and draw back according to the target speed, and a thrust oil cylinder pressure matrix corresponding to current geological information and target axis information is extracted from a pre-established expert knowledge base through a pressure-based control ...

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Номер записи: 9
11-04-2023 дата публикации

Shield tunneling machine duct piece assembling method, device and system and storage medium

Номер: CN115949440A
Автор: JIANG LIJIE, JIA LIANHUI, ZHANG KAILEI, ZHANG PEI, WEN YONGLIANG, ZHANG HONGLEI, WANG HENG
Принадлежит:

The invention provides a shield tunneling machine duct piece assembling method, device and system and a storage medium, and relates to the technical field of tunnel construction. The method comprises the following steps: establishing a space model of assembled segments; according to the space model, calculating a target splicing position of the to-be-spliced duct piece; after it is detected that the to-be-assembled duct piece is hoisted in place, first point cloud information of the to-be-assembled duct piece is obtained; according to the first point cloud information, bolt position information of the segment to be assembled is determined; and according to the bolt position information of the to-be-assembled duct pieces, the erector is controlled to grab the to-be-assembled duct pieces, the to-be-assembled duct pieces are hoisted to the corresponding target assembling positions, and duct piece assembling is completed. According to the pipe piece grabbing and splicing device, on the premise ...

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Номер записи: 10
18-04-2023 дата публикации

Comprehensive evaluation method for hob performance based on entropy weight advantage and disadvantage solution

Номер: CN115977667A
Автор: ZHANG LIMENG, LU GAOMING, FAN WENCHAO, ZHOU JIANJUN, JIANG LIJIE, WEN YONGLIANG, YANG YANDONG, LI SHUAIYUAN, LIU CHAOYIN
Принадлежит:

The invention provides a comprehensive evaluation method for hob performance based on an entropy weight advantage and disadvantage solution method, and relates to the technical field of machine manufacturing and geotechnical engineering. The method comprises the following steps: S1, scientifically and reasonably selecting evaluation index parameters to establish a decision matrix; s2, calculating the weight of each parameter by using an entropy weight method; s3, carrying out forward and normalization processing on the decision matrix; s4, determining an optimal solution and a worst solution; s5, calculating the distances from different cutters to the optimal solution and the worst solution, and calculating the sticking rate; and S6, tool evaluation results are sorted and analyzed according to the pasting progress. According to the method, the blank of comprehensive evaluation calculation of the cutter is filled, and the method has a guiding effect on field cutter selection and cutter manufacturing ...

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Номер записи: 11