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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 19. Отображено 19.
23-09-2015 дата публикации

Automatic device of being in charge of of doffer

Номер: CN0204661916U
Автор: ZHAO XIUGUO, GUAN TINGCHENG, LIU WENTIAN, GAO YUZHAN, LI CHUN, CUI JIE
Принадлежит:

Automatic device of being in charge of of doffer belongs to the automatic device of being in charge of of doffer of ring spinning spinning frame. Have for a tub device, stringing device and send a tub device, include spool frame subassembly and vertical leak (21), baffle I (17), baffle II (22) for a pipe device. The stringing device includes step motor (2), speed reduction parts (6), drive gear (7), transmission rack (8) and slide frame parts (13). Be equipped with kicking block I (16), kicking block II (20) on slide frame parts (13), (18) are pressed from both sides in the activity of acting on respectively in the horizontal slip position of slide frame parts. Send tub device to include spool push pedal (19) and the at least 2 group's pendulum claw spares (12) that are equipped with on horizontal slide parts (1), slide frame parts (13) to and install and hold in the palm box (25) in the spool of horizontal slide part (1) below. The utility model discloses have raise the efficiency, high ...

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Номер записи: 1
19-08-2015 дата публикации

Automatic bobbin distributing device of doffer

Номер: CN104846491A
Автор: ZHAO XIUGUO, GUAN TINGCHENG, LIU WENTIAN, GAO YUZHAN, LI CHUN, CUI JIE
Принадлежит:

The invention discloses an automatic bobbin distributing device of a doffer, and belongs to automatic bobbin distributing devices of doffers of ring spinning frames. The automatic bobbin distributing device comprises a bobbin feeding device, a bobbin distributing device body and a bobbin delivery device. The bobbin feeding device comprises a bobbin frame assembly, a vertical leaking channel (21), a partitioning plate I (17) and a partitioning plate II (22). The bobbin distributing device comprises a stepping motor (2), a speed-reducing component (6), a transmission gear (7), a transmission gear rack (8) and a sliding frame component (13). Ejecting blocks I (16) and ejecting blocks II (20) are installed on the sliding frame component (13), and act on a movable clamp (18) at the left and right sliding positions of the sliding frame component, the bobbin delivery device comprises a horizontal sliding channel component (1), a bobbin pushing plate (19) installed on the sliding frame component ...

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Номер записи: 2
30-07-2014 дата публикации

Upper pin reed digital display type elasticity measure apparatus and method thereof

Номер: CN103954414A
Автор: GUO YANQING, YANG KAILI, LIU WENTIAN
Принадлежит:

The invention relates to the technical field of engineering testing, discloses an upper pin reed digital display type elasticity measure apparatus and a method thereof, and especially belongs to a digital display type elasticity measure instrument which is applied to measuring the rigidity curve of an upper pin reed and a damping ratio under different processing conditions. The apparatus is composed of a mechanical module and a measurement and control module. The mechanical module comprises a base plate (1-1), a mobile sensing device and a test member fixation device. An electric translation bench (1-2) is arranged above the base plate; the mobile sensing device comprises a displacement bench, a pressure head (1-5) and a pressure sensor (1-4); the test member fixation device comprises support frames (1-10) fixed at the two sides of the base plate; a fixation plate (1-6) is connected between the two support frames; and the fixation plate is provided with a T-shaped fixation bench (1-8) and ...

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Номер записи: 3
04-08-2023 дата публикации

Laser-electric arc hybrid welding method for vertical position welding of high-strength steel T-shaped joint

Номер: CN116532802A
Автор: XU PEIZHI, YOU DEWU, LIU WENTIAN, LAN LING, YAN LU, ZHOU HONGXIANG, WANG GAOFEI, NIE XI, ZHU GUOBIN, YAN LICHAO, SONG JINYING
Принадлежит:

The invention discloses a laser-arc hybrid welding method for vertical position welding of a high-strength steel T-shaped joint, which comprises the following steps: S1, pretreatment: processing a groove at the edge to be welded of a longitudinal bone of a workpiece to be welded, polishing and cleaning a pre-welding area of a bottom plate, assembling the groove and the pre-welding area in a T shape, and fixing the groove and the pre-welding area in a direction perpendicular to the ground; s2, welding is conducted, specifically, the welding direction is perpendicular to the ground and faces upwards, and an electric arc heat source of a welding gun is fixed in front of a laser heat source at a certain interval in the welding direction; and performing single-side laser-electric arc hybrid welding on the T-shaped joint, and welding the other side of the test plate after welding is completed and the test plate is cooled. According to the method, the vertical welding process of the medium-thickness ...

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Номер записи: 4
23-06-2010 дата публикации

Closed loop speed compensation method for thickness control system of aluminum cold rolling mill

Номер: CN0101745541A
Автор: LI KUNJIE, LIU WENTIAN, WANG HAIXIA, KUNJIE LI, WENTIAN LIU, HAIXIA WANG
Принадлежит:

The invention relates to a closed loop speed compensation method for a thickness control system of an aluminum cold rolling mill. The method comprises the following steps: data is obtained according to a speed measuring unit for calculating the value of acceleration, then control logic judgment is carried out, the thickness deviation is taken as an input signal of a closed loop PID compensation controller, the compensation amount is calculated and then output to a position AGC controller, and the computing process of closed loop speed compensation for one time is further finished. The stability of the system can be obviously improved by converting the open-loop compensation into a closed-loop compensation control algorithm, and the method can be better automatically adapted for the change conditions of the rolling process; and furthermore, by adjusting the parameter of the closed loop PID compensation controller, the field debugging time of the speed compensation controller can be reduced ...

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Номер записи: 5
07-05-2014 дата публикации

Automatic hollow bobbin inserting device and method for ring spinning frame

Номер: CN103774301A
Автор: GUAN TINGCHENG, LIU WENTIAN, LI CHUN, MENG XIANGJUAN, WANG XIAOHUA
Принадлежит:

The invention relates to an automatic doffing bobbin inserting device of a ring spinning frame, in particular to an automatic hollow bobbin inserting device and method for the ring spinning frame. The automatic hollow bobbin inserting device comprises a manipulator part, a horizontal moving mechanism thereof, a bobbin overturning device, a bobbin box base and a bottom plate; the manipulator part is formed by a pneumatic pawl body (22-1), pin shafts (22-2), fingers (22-3) and a venting joint (22-5); the pneumatic pawl body is connected with an external air source by the venting joint; a pneumatic piston rod is arranged in the pneumatic pawl body and is linked with the two fingers; the two fingers realize hinging by the respective pin shafts. The bobbin inserting action is simplified by steps of the initializing of the frame, bobbin grasping, bobbin drawing, bobbin overturning, bobbin inserting and the like, the precision and reliability of bobbin inserting are improved, and the automatic ...

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Номер записи: 6
23-06-2010 дата публикации

WEB-based aluminum cold-rolling mill shape control man-machine interface operation method

Номер: CN0101745545A
Автор: KUNJIE LI, WENTIAN LIU, HAIXIA WANG, LI KUNJIE, LIU WENTIAN, WANG HAIXIA
Принадлежит:

The invention provides a WEB-based aluminum cold-rolling mill shape control man-machine interface operation method; the man-machine workstation adopts a PC installed with IE browser to replace a touch screen or an integral workstation, a man-machine interface workstation is connected with an OPC XML-DA server through Internet, the OPCXML-DA server used as an OPC server is connected with a shape control system and a field intelligent instrument; meanwhile, the OPCXML-DA is used as a WEB server to upload the bottom data to the network; so the remote monitoring is realized through any PC connected with the network. The man-machine interface workstation exchanges data with the shape control system through the Ethernet and the OPCXML-DA server so that the hardware investment and maintenance cost are reduced, and the remote monitoring and fault diagnosis level of the system are also improved.

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Номер записи: 7
22-08-2023 дата публикации

Full penetration welding method for steel fillet weld laser-arc hybrid welding

Номер: CN116618841A
Автор: LAN LING, XU PEIZHI, LIU WENTIAN, YOU DEWU, TAO JIANGPING, YAN LU, SONG JINYING, WANG GAOFEI, NIE XI, YAN LICHAO, ZHU GUOBIN, ZHOU HONGXIANG
Принадлежит:

The invention provides a steel fillet weld laser-arc hybrid welding full penetration welding method which comprises the following steps: preparation before welding: polishing the surface of high-strength steel, designing a groove and fixing a steel plate; the welding mode is determined, specifically, a welding method, welding equipment and a welding angle are determined, and protective gas is selected; welding parameters including the welding speed, the welding material speed, the arc length correction coefficient and the protective gas flow are determined; welding is conducted; and after welding is completed, the welding position is subjected to postweld treatment. The welding quality can be improved, and the welding efficiency is greatly improved, so that the full penetration of 10CrNi3MoV steel fillet weld laser-arc hybrid welding is realized, the weld is formed well, undercut is avoided, the fracture test is good, and the hardness meets the requirement.

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Номер записи: 8
16-03-2011 дата публикации

Contact-type plate-shaped measuring apparatus

Номер: CN0101985134A
Автор: BAOJIE DOU, WENTIAN LIU, QINGHUA WANG, KUNJIE LI, XIAOLIN CHEN, HAIXIA WANG, DOU BAOJIE, LIU WENTIAN, WANG QINGHUA, LI KUNJIE, CHEN XIAOLIN, WANG HAIXIA
Принадлежит:

The invention discloses a contact-type plate-shaped measuring apparatus. The apparatus comprises a detection roller, a bearing seat, a force transducer, a signal measuring and processing unit and a computer, wherein a hollow shaft of the detection roller is arranged on the bearing seat; the outer surface of the hollow shaft is enclosed; holes are uniformly distributed along the circumferential direction of the hollow shaft and transversely pass through a main shaft from an end face to another opposite end face; the edge of each hole is a certain distance away from the outer surface of the hollow shaft; the force transducer is arranged in each hole; and a signal measured by the force transducer is sent to the computer through the signal measuring and processing unit. The apparatus has reasonable and novel structural design and high measuring accuracy and can compensate the deformation of the detection roller during measurement, lower the temperature conducted to the detection roller by a ...

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Номер записи: 9
23-06-2010 дата публикации

Aluminum cold-rolling mill thickness control man-machine interface operation method based on browser

Номер: CN0101745543A
Автор: KUNJIE LI, WENTIAN LIU, HAIXIA WANG, LI KUNJIE, LIU WENTIAN, WANG HAIXIA
Принадлежит:

The invention provides an aluminum cold-rolling mill thickness control man-machine interface operation method based on browser; an operator station adopts a computer installed with a browser to replace a touch screen or an integral workstation, the operator station is communicated with an OPC XML-DA server through Internet, the OPC XML-DA server is used as an OPC server and is connected with a thickness controller and a field intelligent instrument, and is also used as a web server for distributing the floor data to the network, so as to realize the remote monitoring and management of any computer connected with the network. By adopting the operation method provided by the invention, the operator station or other monitoring terminal can exchange data with the thickness controller so that the software and hardware investment and maintenance cost; meanwhile, the remote monitoring and fault diagnosis level of the system, and the consolidation and integration of enterprise information network ...

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Номер записи: 10
07-07-2010 дата публикации

Realizing circuit of sensor of high-reliability switch reluctance motor

Номер: CN0101771377A
Автор: CHAO GAO, WENTIAN LIU, JINZHUO QIU, ZHIPING YAN, GAO CHAO, LIU WENTIAN, QIU JINZHUO, YAN ZHIPING
Принадлежит:

The invention discloses a realizing circuit of a sensor of a high-reliability switch reluctance motor, comprising a power input filtering and protecting circuit, a Hall element, an amplifying and shaping circuit, a position indicating circuit and a signal output and protecting circuit with the functions: the power input filtering and protecting circuit can enhance power supply quality and preventdamaging the sensor due to external connection errors and short circuit; the Hall element is used for detecting the change of rotor positions, rotating speeds and rotating directions of a current switch reluctance motor, output positions and signals of the rotating speeds and the rotating directions; the amplifying and shaping circuit can enhance the quality of detecting signals for avoiding signal disturbance; the position indicating circuit is used for indicating the change of the rotor positions, the rotating speeds and the rotating directions of the current switch reluctance motor and indirectly ...

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Номер записи: 11
07-05-2014 дата публикации

Automatic cop drawing device and method of ring spinning frame

Номер: CN103774302A
Автор: GUAN TINGCHENG, LIU WENTIAN, MENG XIANGJUAN, LI CHUN, WANG XIAOHUA
Принадлежит:

The invention discloses an automatic cop drawing device and method of a ring spinning frame, relates to an automatic doffing cop drawing device of a ring spinning frame, in particular to an automatic cop drawing device and method of a ring spinning frame for separating and collecting the cop and a spindle. The automatic cop drawing device comprises a pneumatic manipulator (7), a horizontal moving assembly (1), a lifting assembly (5), a yarn cutting part (9) and a bobbin collecting device; up-down one dimension motion of a lifting cylinder and the clamping and releasing of the pneumatic manipulator are realized by the steps of initializing, horizontal moving to a rear position, vertically moving to a lower position, cop clamping, drawing the bobbin to an upper position, overturning, yarn cutting, bobbin collecting and the like, so the cop is drawn and descended, harm to the yarns in the bobbin drawing process is avoided, no radial force is generated to an ingot, and the automatic cop drawing ...

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Номер записи: 12
24-06-2015 дата публикации

Soft tissue separation preparation prepared from elastin-like polypeptide and application of soft tissue separation preparation

Номер: CN104721810A
Автор: LIU WENTIAN, LIU WEN'GE, WANG BANGMAO, ZHENG ZHONGQING, WANG TAO, ZHAO MINGXING, ZHANG XUQIAN, JING YANG
Принадлежит:

The invention discloses a soft tissue separation preparation prepared from elastin-like polypeptide and an application of the soft tissue separation preparation and belongs to a medicinal preparation product and application of the elastin-like polypeptide. The soft tissue separation preparation prepared from elastin-like polypeptide is liquid pharmaceutical preparation which is obtained by dissolving elastin-like polypeptide air dried flocculent solid substances in phosphate buffer solution and has the final concentration of 500-1000mu M; and the application of the soft tissue separation preparation comprises the step of enabling a gastrointestinal tract submucous layer to be filled with the liquid pharmaceutical preparation, and an elastin-like polypeptide phase is changed to be gelatinous, so that a gastrointestinal mucosa layer is fully separated from an muscularis propria. After the filling agent is injected, gastrointestinal tract soft tissue separation distance is obviously increased ...

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Номер записи: 13
28-07-2023 дата публикации

Core yarn monitoring device for covering yarn of ring spinning frame

Номер: CN116497487A
Автор: ZHANG PENG, LIU WENTIAN, ZHANG YONGLONG, CUI JIE, XU JIMO, LIU XIAOJIE, QI YUQIANG, SONG YICHEN
Принадлежит:

The invention discloses a core yarn monitoring device for covering yarn of a ring spinning frame, and belongs to the technical field of monitoring and controlling of core yarn in the covering yarn spinning process. The core yarn monitoring device comprises a godet wheel, the godet wheel is hinged to one end of a swing rod, the other end of the swing rod is provided with a connecting shaft, the swing rod is provided with a sensor, and the sensor is connected with the connecting shaft. The core wire is wound on one side of the wire guide wheel and drives the wire guide wheel to rotate, and a control module of the core wire monitoring device obtains a rotating state signal, measured by the sensor, of the wire guide wheel and judges the supply condition of the core wire. The core yarn feeding device has the advantages that the core yarn is wound on one side of the godet wheel to drive the godet wheel to rotate, the feeding state of the core yarn is judged according to the rotating condition ...

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Номер записи: 14
09-05-2023 дата публикации

Aluminum alloy single-face welding and double-face forming welding method

Номер: CN116079341A
Автор: ZHOU HONGXIANG, LAN LING, YAN LU, SONG JINYING, NIE XI, WANG GAOFEI, HUANG RUYI, FANG RUOYU, LIU WENTIAN, XU PEIZHI, YAN LICHAO, ZHU GUOBIN
Принадлежит:

The invention discloses an aluminum alloy one-side welding and double-side forming welding method, which adopts a CMT and pulse one-side welding and double-side forming welding method, performs process adjustment on welding gun angle, nozzle height, gap, reversible deformation, groove angle and welding parameters, effectively increases penetration depth and reduces heat input so as to improve the welding quality of a welding joint. According to the aluminum alloy single-face welding and double-face forming welding method, the mechanical property index of a welding joint is 0.85-1 time that of a base material, the length of cracks or other defects appearing on the surface of the welding joint after the face or the back of the welding joint is bent by 180 degrees is not larger than 3 mm, the penetration test of the welding joint meets the I level, and the radiographic inspection is not lower than the II level.

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Номер записи: 15
07-04-2023 дата публикации

Welding method for large-angle end joint of aluminum alloy

Номер: CN115922034A
Автор: LAN LING, YOU DEWU, YAN LU, TAO JIANGPING, WANG GAOFEI, SONG JINYING, NIE XI, ZHU GUOBIN, ZHOU HONGXIANG, XU PEIZHI, LIU WENTIAN
Принадлежит:

The invention discloses a welding method for large-angle end joints of aluminum alloy plates, which is characterized in that the inclination angle of the end joints of two aluminum alloy plates is 180-270 degrees, MIG (Metal Inert Gas) welding is carried out, a groove is asymmetric, the angle of the groove on one side is 12-18 degrees, the angle of the groove on the other side is 72-78 degrees, the width of a bottom gap of the groove is 3-6mm, and a permanent aluminum alloy gasket is added on the back surface; the welding is a multi-layer and multi-pass welding mode of flat welding and horizontal welding, and is divided into backing welding and cosmetic welding. MIG multi-layer and multi-pass welding can be carried out on the high-strength aluminum magnesium alloy with the thickness being 5-8 mm at the inclination angle larger than or equal to 225 degrees, it can be guaranteed that appearance inspection of welding joints meets the quality requirement, and no remarkable surface defect exists ...

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Номер записи: 16
23-06-2010 дата публикации

Nonlinear speed compensation method for thickness control of irreversible aluminum cold rolling machine

Номер: CN0101745542A
Автор: LI KUNJIE, LIU WENTIAN, WANG HAIXIA, KUNJIE LI, WENTIAN LIU, HAIXIA WANG
Принадлежит:

The invention provides a nonlinear speed compensation method for the thickness control of an irreversible aluminum cold rolling machine. A thickness control system receives speed signals and calculates an acceleration value, a compensation gain is calculated according to a nonlinear speed compensation function, a rolling machine revise gain and a strip revise gain are introduced, and finally the total compensation quantity is calculated and is stacked in a position AGC controller so as to finish a calculation process of once open loop nonlinear speed compensation. By using the nonlinear speed compensation function to calculate the compensation gain and adding the rolling machine revise gain and the strip revise gain, a mutual influence relationship among speed variation, thichness difference, rolling machine parameters and strip parameters is more accurately described, and the invention is suitable for various rolling machine parameters and strip alloy varieties, efficiently enhances the ...

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Номер записи: 17
07-04-2023 дата публикации

Welding method for cross welding seam of aluminum magnesium alloy thin ribbed plate

Номер: CN115922128A
Автор: YAN LU, LAN LING, NIE XI, ZHOU HONGXIANG, WANG GAOFEI, SONG JINYING, ZHU GUOBIN, LIU WENTIAN, XU PEIZHI, YAN LICHAO
Принадлежит:

The welding method comprises the following steps that (1) two of four aluminum magnesium alloy thin ribbed plates which are made of the same material and have the same thickness are subjected to single-face welding and double-face forming FSW welding, the welding position is a flat position, a groove is an I-shaped groove, the gap is 0-1 mm, and a first test plate is obtained; performing single-side welding and double-side forming FSW welding on the other two test plates according to the same process to obtain a second test plate; and (2) the first test plate and the second test plate are subjected to double-face MIG welding in the direction perpendicular to the FSW welding seam, the welding position is a flat position, a groove is welded through a symmetrical single V-shaped groove, the single-side angle of the groove is 20-22.5 degrees, and the bottom gap is 0-1 mm. According to the welding method, it can be guaranteed that the yield strength of a joint is not lower than 198 Mpa, the ...

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Номер записи: 18
01-04-2015 дата публикации

Optimal uniform approximation treatment method for strip shape in failure of roll collar

Номер: CN104475458A
Автор: LI KUNJIE, LIU WENTIAN, CHENG RUIMIN
Принадлежит:

The invention provides an optimal uniform approximation treatment method for strip shape in failure of a roll collar. The method comprises the steps of acquiring a strip shape measuring signal to obtain roller collar quantity n, uniform distribution abscissa x (n) and failed roll collar quantity nf; then calculating the strip shape abscissa x' (n) meeting the optimal uniform approximation condition according to chebyshev theorem; selecting a coordinate x (nf) to be filled according to the failed roll collar quantity nf to generate a treated new coordinate xf (n); then calculating the strip shape value sf (n) at the coordinate xf (n) according to piecewise interpolation functions; applying the xf (n) and sf (n) to closed-loop control calculation. The optimal uniform approximation treatment method for the strip shape in the failure of the roll collar has the advantages that the optimal uniform approximation of the strip shape data under the failure of the roll collar can be achieved, thus ...

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Номер записи: 19