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 18. Отображено 18.
27-08-2021 дата публикации

Oil gas storage device

Номер: CN214058668U
Принадлежит: ZHENG YUCHAO, 郑宇超

The utility model discloses an oil gas storage device which comprises a tank body, an installation block is installed in the middle of the bottom end of the tank body, an installation rod is installed on the outer side of the bottom end of the tank body, a supporting rod is arranged at the bottom end of the installation rod, and a shock absorber is installed on the side, close to the installation block, of the upper end of the supporting rod. A spring is fixedly installed on the outer wall of the tank body, and an upper protection plate is fixedly installed at one end of the spring. Through the arrangement of the hollow layer, water can be prevented, rusting of the interior of the tank body after the interior of the tank body is affected with damp is avoided, through the arrangement of the heat preservation layer, the temperature of oil gas in the tank body can be kept unchanged, consumption of the oil gas is reduced, and potential safety hazards are avoided; the safety accident caused ...

Подробнее
02-05-2023 дата публикации

Vibrating wire sensor tester

Номер: CN116045865A
Принадлежит:

The invention relates to the technical field of vibrating wire sensors, in particular to a vibrating wire sensor tester which comprises a horizontal supporting frame, a shielding test box and a loading test assembly, the shielding test box is fixedly installed on the top face of the horizontal supporting frame, and a plurality of floating seats are arranged on the bottom face of the horizontal supporting frame; the shielding test box comprises a constant-temperature shielding box, a movable carrying table and an adjusting driving assembly, the movable carrying table is slidably mounted on the inner side of the constant-temperature shielding box, a loading table is fixedly mounted on the top surface of the constant-temperature shielding box, and a heating assembly is fixedly mounted on the bottom surface of an inner cavity of the constant-temperature shielding box. A novel shielding test box body structure is arranged, a vibrating wire sensor to be tested is installed by utilizing a constant-temperature ...

Подробнее
21-07-2023 дата публикации

Tunnel lining construction cold seam drilling detection method

Номер: CN116464427A
Принадлежит:

The invention discloses a tunnel lining construction cold seam drilling detection method, belongs to the technical field of tunnel construction, and solves the technical problem that in the prior art, it is difficult to determine the drilling position in the tunnel lining construction cold seam drilling verification process. The method comprises the following steps that S1, field cleaning and investigation are conducted, and the number of drill holes for drill hole detection is determined according to the length and the trend of a construction cold seam; s2, in combination with a tunnel lining structure and the position relation between a construction cold seam in a tunnel lining and the tunnel lining, the drilling position of drilling detection is determined; s3, the drilling direction and the drilling depth are determined; and S4, specific data of construction of the cold joints are determined through drilling and coring. The tunnel lining construction cold seam drilling detection method ...

Подробнее
16-05-2023 дата публикации

Pipe piece connecting structure capable of adapting to large deformation and assembling device of pipe piece connecting structure

Номер: CN116122849A
Принадлежит:

A duct piece connecting structure capable of adapting to large deformation and an assembling device thereof comprise a conveying unit, a surface treatment unit, a rotary adsorption unit, a temporary fixing unit and a moving unit, and after duct pieces are prefabricated, the conveying unit conveys the duct pieces to the position below the surface treatment unit; the surface treatment unit conducts air pressure dust and impurity removal treatment on the middle area of the inner wall of the duct piece, then the conveying unit conveys the treated duct piece to the position below the rotary adsorption unit, and the rotary adsorption unit sucks the duct piece conveyed by the conveying unit and rotates the duct piece to the designated installation angle. And then the moving unit moves the duct pieces with the adjusted angles to the designated mounting position, then the duct pieces are temporarily fixed to the mounting position, then the next duct piece is assembled, and in this way, the whole ...

Подробнее
30-03-2018 дата публикации

Assembled tunnel joint form

Номер: CN0207161121U

The utility model provides an assembled tunnel joint form, it relates to transportation technical field, the outer wall that tunnel structure inserted the end is provided with interface steel bushingring, the outer wall of tunnel structure bell end be provided with sealing rubber circle and the 2nd sealing rubber circle, the terminal surface that tunnel structure inserted the end is provided withelastic gasket, the end opening outer wall of tunnel structure bell end be provided with the steel loop, be provided with the slip casting pipe in the tunnel structure bell end, tunnel structure be provided with shear bolt and bolt hole respectively on inserting end and tunnel structure bell end, tunnel structure insert the end with the tunnel structure bell end through shear bolt and bolt hole the grafting. An assembled tunnel joint form, connect to make little, the simple to operate, swift, with low costs of the degree of difficulty, water -proof effects is good, safe and reliable. The joint design ...

Подробнее
21-07-2023 дата публикации

Fabricated modular outer-wrapping column base and construction method thereof

Номер: CN116464216A
Принадлежит:

The invention relates to the technical field of building structure engineering, and provides a fabricated modular outer wrapping column foot and a construction method thereof.The fabricated modular outer wrapping column foot comprises a structural column, a concrete outer wrapping module, a column top stiffening rib, a main rib and a reserved anchor bolt, and the main rib and the reserved anchor bolt are pre-buried in a foundation; a bottom plate is welded to the bottom of the structural column and used for being fixedly connected with a foundation through the reserved anchor bolts. The concrete wrapping module is used for being arranged outside a structural column in a sleeving mode, a plurality of steel bar hole channels are reserved, and the steel bar hole channels are used for allowing the main reinforcements to pass through during splicing; a first mounting groove is formed in the top surface of the concrete top module and is used for additionally mounting the column top stiffening ...

Подробнее
11-08-2023 дата публикации

Industrial part rapid pose estimation method based on deep learning and point cloud

Номер: CN116580084A
Принадлежит:

The invention discloses an industrial part rapid pose estimation method based on deep learning and point cloud, and the method comprises the steps: building a grabbing simulation scene, and collecting a three-dimensional point cloud training data set; constructing an end-to-end pose estimation network based on the point cloud, and training a model by using the three-dimensional point cloud data set to obtain a pre-training model; during online detection, a simulated scene camera is used for shooting a to-be-predicted industrial part, and three-dimensional point cloud representation of the current part is obtained; loading the pre-training model, and inputting the three-dimensional point cloud representation data of the current part into the pose estimation network for calculation; and processing a calculation result of the pose estimation network, and outputting accurate position and pose information of the industrial part. Training data generation, pose estimation task test and evaluation ...

Подробнее
15-06-2011 дата публикации

Auxiliary support method for additional load during approaching construction of porous tunnel by shield method

Номер: CN0102094665A
Принадлежит:

The invention discloses an auxiliary support method for an additional load during the approaching construction of a porous tunnel by a shield method, which comprises the following steps that: a self-walking auxiliary support structure is constructed on the inner wall of a segment of a previously excavated tunnel, namely annular I-steel is arranged along the longitudinal direction of the tunnel atintervals; longitudinal I-steel is connected with the annular I-steel into a whole; annular jacks are supported on the longitudinal I-steel through rubber wheels arranged on the annular jacks; longitudinal jacks are arranged among the longitudinal I-steel; a winch is arranged on the last but one annular I-steel; and a corresponding hook for hanging a steel cable of the winch is arranged on the last annular I-steel. By the method, multi-shield simultaneous excavation can be performed while a longitudinal effect caused by the approaching construction of the porous tunnel by the shield method iseffectively ...

Подробнее
18-04-2023 дата публикации

Angle type horizontal displacement sensor

Номер: CN115979309A
Принадлежит:

The invention relates to the technical field of tilt angle sensors, in particular to an angle type horizontal displacement sensor which comprises a supporting mechanism, a traction mechanism and an angle measuring mechanism, and the supporting mechanism comprises a base, four traction outer frames movably installed in the base and reset springs connected between the base and the traction outer frames. The base is arranged, the four traction outer frames capable of turning outwards are movably installed in the base, the four beam frames distributed in the cross shape are installed in the middle of the base, and meanwhile the core rods and the compression springs capable of elastically resetting the toggle clips are installed in the beam frames. At the moment, the inhaul cable drags the main sleeve piece and the clamp to integrally move downwards, and the clamped angle sensor laterally turns over and is matched with the main sleeve piece installed outside the clamp to move along the ruler ...

Подробнее
27-06-2023 дата публикации

Double-temporal remote sensing image change detection network based on attention and multiple scales

Номер: CN116343052A
Принадлежит:

The invention discloses a dual-temporal remote sensing image change detection network based on attention and multiple scales. The change detection network adopts a CNN-transformer structure, and a CNN is used for extracting multi-scale features from an input double-time-phase image pair; then, feature context information in the double-time-phase image is further modeled by using an attention and transform module; in addition, a feature exchange operation is used to partially exchange dual-temporal features between two branches of the twin network. According to the invention, on one hand, the method is based on a multi-scale transformer network of attention, and combines the advantages of a convolutional neural network, transformer, a multi-scale module and an attention mechanism; on the other hand, a feature exchange module is used in a change detection framework, so that the change detection performance is improved; and on the other hand, a channel attention module is designed, so that ...

Подробнее
18-08-2023 дата публикации

Underground pipeline reinforcing structure under tunnel construction underpass river-crossing bridge

Номер: CN116608324A
Принадлежит:

The invention discloses an underground pipeline reinforcing structure below an underpass river-crossing bridge for tunnel construction, and belongs to the technical field of tunnel construction.The underground pipeline reinforcing structure comprises a bridge deck slab, a plurality of bridge abutments used for supporting the bridge deck slab and underground pipelines arranged below the bridge deck slab, the lower portions of the bridge abutments extend inwards to form a supporting platform, and a supporting base is arranged on the supporting platform; a supporting steel beam is connected between the two supporting bases of the two bridge abutments, a cast-in-place beam plate is fixed to the lower side of the supporting steel beam, grouting reinforcement areas are arranged at the two ends of the cast-in-place beam plate, embedded steel bars penetrating into the grouting reinforcement areas are reserved on the lower portions of the bridge abutments, and a reinforced concrete box culvert is ...

Подробнее
16-11-2021 дата публикации

Frost-resistant assembled initial support structure of tunnel and construction method thereof

Номер: US0011174730B2

The frost-resistant assembled initial support structure of the tunnel for supporting a surrounding rock includes a bearing layer, an elastic compressible structure and an inflatable airbag. A gap space is formed between the bearing layer and the surrounding rock, and the inflatable airbag and the elastic compressible structure are provided in the gap space; and the inflatable airbag after being inflated and the elastic compressible structure jointly fill up the gap space. A construction method includes providing the bearing layer in the tunnel, and forming the gap space between the bearing layer and the surrounding rock; providing the inflatable airbag and the elastic compressible structure in the gap space; and inflating the inflatable airbag and filling up the gap space with the inflatable airbag and the elastic compressible structure.

Подробнее
09-07-2020 дата публикации

Frost-resistant Assembled Initial Support Structure of Tunnel and Construction Method Thereof

Номер: US20200217200A1
Принадлежит: Southwest Jiaotong University

The frost-resistant assembled initial support structure of the tunnel for supporting a surrounding rock includes a bearing layer, an elastic compressible structure and an inflatable airbag. A gap space is formed between the bearing layer and the surrounding rock, and the inflatable airbag and the elastic compressible structure are provided in the gap space; and the inflatable airbag after being inflated and the elastic compressible structure jointly fill up the gap space. A construction method includes providing the bearing layer in the tunnel, and forming the gap space between the bearing layer and the surrounding rock; providing the inflatable airbag and the elastic compressible structure in the gap space; and inflating the inflatable airbag and filling up the gap space with the inflatable airbag and the elastic compressible structure.

Подробнее
13-01-2016 дата публикации

High -efficient heat preservation inspection shaft

Номер: CN0204960973U
Принадлежит:

The utility model discloses a high -efficient heat preservation inspection shaft sets up the heat preservation between the apron of well head, the heat preservation adopts the peripheral structural style who lays polyurethane insulation board, the inside polyurethane insulation of packing material. Inspection shaft lateral wall surface and the equal closely connected cell type polyurethane insulation board that lays in immersion oil wooden cover board top between the apron, the inside polyurethane insulation material of cell type polyurethane insulation board parcel forms a whole. Lay on the bottom surface of reinforced concrete apron and paste formula polyurethane insulation board. The utility model discloses a high -efficient heat preservation inspection shaft can effective possible position that has the clearance of shutoff well head for high -efficient sealed, the heat preservation in water position is deposited to the inspection shaft bottom, simultaneously, ingenious design is as ...

Подробнее
04-08-2023 дата публикации

Gravity type bridge abutment anti-sedimentation cracking reinforcing device and reinforcing method

Номер: CN116537084A
Принадлежит:

The invention discloses a gravity type bridge abutment anti-sedimentation cracking reinforcing device and a machining method, and belongs to the technical field of building bridges, the device comprises a bridge abutment body and a bridge deck erected on the bridge abutment body, the bridge abutment body comprises a bottom platform and a plurality of branch platforms sequentially spliced on the bottom platform in the vertical direction, and a guide rod seat is arranged on the vertical deck; the rack is connected with a guide rod through a connecting rod, the guide rod penetrates through a guide rod base in a sliding mode in the vertical direction and then is connected to a support, and the support is fixed to the bottom table. After the bottom platform settles, the bottom platform can drive the rack to move downwards in the vertical direction through the guide rod, the rack drives the gear to rotate after moving, and therefore the inclined panel is driven to rotate towards the side away ...

Подробнее
26-05-2023 дата публикации

Beam-beam full bolt connection joint, building and method

Номер: CN116163416A
Принадлежит:

The invention provides a beam-beam full-bolt connection joint, a building and a method, the joint comprises at least two matched prefabricated steel beams, the prefabricated steel beams are provided with variable cross-section positions, and the height of the prefabricated steel beams at the beam-beam full-bolt connection joint is smaller than that of other positions of prefabricated steel beam bodies, so that the top surface of the assembled joint is flush with the top surface of a beam. The top surface of the bolt of the upper flange of the joint and the upper surface of the beam are at the same height, so that the purposes of improving the construction quality and increasing the construction speed are achieved.

Подробнее
29-08-2023 дата публикации

Shield pipe gallery tunnel and construction method thereof

Номер: CN116658203A
Принадлежит:

The shield pipe gallery tunnel comprises a shield segment circular ring and is characterized in that the shield segment circular ring comprises a reinforced concrete segment and a pre-buried channel pre-buried in the reinforced concrete segment, a subdivision partition plate is arranged in the shield segment circular ring, the lower portion of the subdivision partition plate is supported by a steel-concrete bracket, and the lower portion of the subdivision partition plate is supported by a steel-concrete bracket. The steel-concrete bracket is installed and connected to the pre-buried channel, and the pre-buried channel is connected with a bracket used for supporting and arranging a comprehensive cable. The shield pipe gallery tunnel and the construction method thereof are high in space utilization rate, convenient to construct and assemble, good in stability, convenient to maintain, high in practicability and good in application prospect.

Подробнее
31-03-2020 дата публикации

一种用于盾构隧道中的抗浮装置

Номер: CN210217766U
Принадлежит: Southwest Jiaotong University

本实用新型提供了一种用于盾构隧道中的抗浮装置,涉及盾构隧道施工技术领域,该抗浮装置包括拱顶管片,拱顶管片的外侧平铺固定有气囊,气囊的材质为柔性材料,气囊上设置有充气口、放气口和注浆口,充气口、放气口和注浆口上分别设置有充气控制阀、放气控制阀和注浆控制阀,充气控制阀、放气控制阀、注浆控制阀和压力传感器分别电连接于控制器上;拱顶管片上还安装有静力水准仪,静力水准仪电连接于控制器上。控制器可根据静力水准仪感知的拱顶位移变化量智能化地调整充气阀或放气阀,实现抗浮力可调。解决了现有技术中盾构隧道抗浮不易精准控制,尤其对于施工过程中地下水位变化带来抗浮力需求不确定的问题。

Подробнее