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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 33. Отображено 33.
04-04-2023 дата публикации

Detection device and detection method for non-uniform abrasion loss of disc cutter

Номер: CN115900812A
Автор: LONG WEIMIN, QIN JIAN, JIA LIANHUI, ZHANG BING, HUANG JUNLAN, YU ZHONGTING, LU QUANBIN, ZHOU XUSHENG, LI WENBIN
Принадлежит:

The invention relates to the technical field of hob abrasion detection, in particular to a device and method for detecting the non-uniform abrasion loss of a disc hob, and the device comprises a first measuring component, a second measuring component, a first elastic component, a second elastic component, a first moving positioning component, a weighing component and a first supporting component. The first measuring component comprises a limiting part and a measuring part, and scales extending in the first direction are formed on the measuring part; the second measuring component is connected with the first measuring component through a first elastic component, and the first measuring component can move along a first direction; scales extending along a second direction perpendicular to the first direction are formed on the second measuring component; the movable positioning component is connected with the second measuring component through a second elastic component, and the movable positioning ...

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Номер записи: 1
06-07-2016 дата публикации

Vehicle seat

Номер: CN0205365293U
Автор: YANG BO, LENG YAN, TANG JIE, TAN MUXING, QIN JIAN, ZHANG GUO, CHEN ZHIYONG, ZHA JIANSHUANG
Принадлежит:

... 本实用新型公开了一种汽车座椅，包括在座椅底部设置有相互配合的上滑轨和下滑轨，该上滑轨和下滑轨之间穿设有锁销，所述上滑轨上还设置有电动解锁结构，该电动解锁结构包括可转动地穿设在上滑轨上的解锁臂，该解锁臂的内端抵接有压簧，压簧的上端抵在上滑轨上，该压簧内套接有所述锁销，所述解锁臂外端连接有自动驱动装置。以上技术方案的汽车座椅，解锁时不需要调整坐姿，使用方便，解锁时所需时间较短，能够快速调整好座椅前后位置，设置的解锁臂同时可起到杠杆的作用，省力，结构简单，且成本较低。 ...

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Номер записи: 2
16-05-2023 дата публикации

Method for detecting energy consumption in laser welding process

Номер: CN116117363A
Автор: FANG NAIWEN, XU KAI, HUANG RUISHENG, LONG WEIMIN, FENG XIAOBING, WU PENGBO, QIN JIAN, MA QINGJUN, SUN LAIBO, WANG YONGDONG, HAN XIAOHUI
Принадлежит:

The invention relates to a method for detecting energy consumption in a laser welding process. The invention relates to the technical field of laser welding energy consumption detection, and the method comprises the steps: obtaining the zero-load energy consumption through obtaining the sum of the energy consumption of all zero-load periods in a laser welding process; the sum of energy consumption of all welding periods in the laser welding process is obtained, and welding energy consumption is obtained; the sum of energy consumption of the protective gas and the compressed gas in the laser welding process is obtained, and gas energy consumption is obtained; according to the no-load energy consumption, the welding energy consumption and the gas energy consumption, the total energy consumption in the laser welding process is determined; and according to the total energy consumption in the welding process, the comparable energy consumption of the unit qualified weldment weld length is determined ...

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Номер записи: 3
07-04-2023 дата публикации

Silver-copper composite belt with preset holes and preparation method of silver-copper composite belt

Номер: CN115938887A
Автор: DONG XIAN, CHENG YAFANG, HAO QINGLE, QIN JIAN, HUANG JUNLAN, FU LONG, REN XIAOFEI, CHENG ZHAN
Принадлежит:

The invention belongs to the technical field of melt materials for fuses, and particularly relates to a silver-copper composite belt with preset holes and a preparation method of the silver-copper composite belt. The invention provides a silver-copper composite belt with preset holes. The silver-copper composite belt with the preset holes is formed by alternately arranging oxygen-free copper foils and pure silver nets in the width direction. The pure silver net is formed by weaving pure silver wires, and through holes are evenly distributed in the length direction of the pure silver net. The length and the thickness of the pure silver net are correspondingly the same as those of the oxygen-free copper foil; the number of the oxygen-free copper foils is one larger than that of the pure silver nets, and the oxygen-free copper foils are arranged on the outermost side of the silver-copper composite belt. The pure silver net is adopted to replace traditional pure silver foil, the tedious procedure ...

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Номер записи: 4
14-07-2023 дата публикации

Impact type runner root bucket manufacturing method

Номер: CN116423160A
Автор: JIN BAO, PAN SHAOMIN, ZHONG LEI, ZHU QIANG, GUO ZHONGCAI, QIN JIAN, DUAN XIAOLIN, XIANG LIN, YANG WANGBO
Принадлежит:

The invention discloses a method for manufacturing a root bucket of an impact runner, which comprises the following steps of: establishing a root bucket model of a target impact runner, selecting a basic forge piece according to a root bucket high-stress area in the root bucket model, processing the basic forge piece into a central body forge piece, and manufacturing a central body of the target impact runner according to the central body forge piece. And according to the root water bucket low-stress area in the root water bucket model, additive manufacturing is conducted on the root water bucket low-stress area on the center body forge piece, according to the root water bucket high-stress area in the root water bucket model, the center body forge piece is machined, and the center body and the root water bucket high-stress area of the target impact type rotating wheel are obtained. According to the method, the center body and the high-stress area of the root bucket of the impact type runner ...

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Номер записи: 5
04-07-2023 дата публикации

Electricity-gas coupled comprehensive energy system carbon emission monitoring method

Номер: CN116388147A
Автор: CAO RUIFENG, LIU ZIHUA, RU CHUANHONG, XIE BAOJIANG, QIN JIAN, HUANG WEIJIE, LUO YANGFAN, LOU WEIMING, CHEN TING, HUANG YAO, LI ZHE, DING YUHAI, CHEN JUNJIE, WANG ZUOFANG, MA YIFENG, ZHANG YUNPENG, WANG LU, LIU RUI, FENG LONG, CHEN LIFENG, YE LICHEN, XIE ZHONGTING, CAO JUN, LI JIAHUI, HUANG WEI, HONG LI'AO, ZHENG LIWEN, QI FUDONG, YE YUJING, YANG ZHOUYI
Принадлежит:

The invention discloses an electricity-gas coupled comprehensive energy system carbon emission monitoring method. The method comprises the following steps: S1, calculating system power flow; s2, generating a branch power flow distribution matrix PB, a unit injection distribution matrix PG, a load distribution matrix PL and a node active flux matrix PN; s3, whether the absolute value of the node active flux matrix PN is equal to 0 or not is judged, if yes, the corresponding node of the row where the diagonal element is 0 in the PN and the unit and the line connected with the corresponding node are removed from the power grid, the steps S2 to S3 are repeated, and if not, the step S4 is executed; s4, calculating a power grid node carbon potential En and a gas network node carbon potential Egas.n; s5, calculating carbon flow distribution of power grid branches and loads and calculating a gas network carbon emission flow model; and S6, reducing and distributing to each energy hub EH. The method ...

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Номер записи: 6
14-07-2023 дата публикации

Impact type rotating wheel manufacturing method of central body, external water bucket forge piece and empennage additive material

Номер: CN116423158A
Автор: JIN BAO, PAN SHAOMIN, GAO LIANLING, ZHONG LEI, GUO ZHONGCAI, FAN XIAO, ZHU QIANG, PENG XIEYI, QIN JIAN, CHEN DAOQUAN
Принадлежит:

The invention discloses a manufacturing method for an impact type rotating wheel of a central body, an external water bucket forge piece and an empennage additive. The method comprises the steps that a water bucket model of a target impact type rotating wheel is established; wherein the water bucket model comprises a central body model and an external water bucket model; according to the center body model, a basic forge piece is selected and machined into a center body forge piece, and an external water bucket is manufactured according to the external water bucket model; tail wings are welded to the two sides of the center body forge piece respectively, and root water buckets are manufactured; at the first machining position before transportation, external water buckets are welded to a plurality of preset positions of the circumference of the center body forge piece correspondingly; and at the second processing position after transportation, welding the residual external water buckets at ...

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Номер записи: 7
05-05-2023 дата публикации

Electronic device

Номер: CN116073846A
Автор: LIU ZHIYONG, YAN XINYONG, LU ZHONGMING, QIN JIAN
Принадлежит:

The invention discloses an electronic device comprising a frame, the frame is provided with a mounting groove and an ejector pin hole, and the ejector pin hole is arranged at one side of the mounting groove and is communicated with the mounting groove; the card support is movably arranged in the mounting groove; the pushing structure comprises a locking piece, a transmission piece and an elastic piece, one end of the transmission piece is opposite to the ejector pin hole, and the other end of the transmission piece is connected with the locking piece; when the locking piece is in the first state, the card support is in a fixed state relative to the frame, and the elastic piece is in a compressed state. And when the locking piece is in the second state, the card support is in an unlocking state relative to the frame, and the elastic piece pushes the card support out of the mounting groove. According to the electronic equipment provided by the invention, when a user takes a card, the card ...

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Номер записи: 8
23-05-2023 дата публикации

Smelting device and melting method for vacuum laser melting titanium alloy brazing filler metal

Номер: CN116144939A
Автор: FANG NAIWEN, HUANG RUISHENG, LONG WEIMIN, XU KAI, LIU KONGFENG, WU PENGBO, QIN JIAN, SUN LAIBO, YIN LIMENG, MA YIMING, HAN PENGBO, SHEN YUANXUN, CHEN YUHUA, WANG SHANLIN, CAO HAO, SU JINHUA, ZOU JIPENG
Принадлежит:

The invention provides a smelting device and a smelting method for vacuum laser smelting of titanium alloy brazing filler metal, and belongs to the technical field of brazing filler metal processing. The vacuum melting furnace comprises a vacuum melting furnace body, a laser head and a protective glass, the vacuum melting furnace body is arranged on a mounting seat, a crucible is arranged in the vacuum melting furnace body, the protective glass is arranged at the top of the vacuum melting furnace body, the laser head is arranged above the protective glass, and the laser head is arranged above the protective glass. Laser output by the laser head penetrates through the protective glass, enters the vacuum melting furnace body and corresponds to the crucible in position, a filling opening is formed in the vacuum melting furnace body, and the vacuum melting furnace body is connected with a vacuumizing device and a protective gas device. The method is mainly used for smelting the titanium alloy ...

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Номер записи: 9
09-06-2023 дата публикации

Wear-resistant flux-cored welding rod of multi-layer structure and preparation method and application of wear-resistant flux-cored welding rod

Номер: CN116237669A
Автор: QIN JIAN, LIU XIAOFANG, LONG WEIMIN, ZHONG SUJUAN, YOU MINGZHU, ZHANG GUANXING
Принадлежит:

The invention belongs to the technical field of metal wear-resistant materials, and particularly relates to a wear-resistant flux-cored welding rod of a multi-layer structure and a preparation method and application of the wear-resistant flux-cored welding rod. The wear-resistant flux-cored welding rod of the multi-layer structure sequentially comprises an inner core, a steel belt layer, a coating layer and a diamond micro-powder layer from inside to outside. The inner core is made of nickel-based brazing filler metal powder; and the coating layer is prepared from the following raw materials in percentage by mass: 30%-40% of CaF2, 35%-45% of TiO2, 15%-25% of MgO and 4%-6% of Al. According to the wear-resistant flux-cored welding rod of the multi-layer structure, a wear-resistant layer with higher hardness can be formed, the wear resistance of a base material can be remarkably improved, the service life of the base material can be prolonged, and the wear-resistant flux-cored welding rod ...

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Номер записи: 10
28-04-2023 дата публикации

Large-thickness high-strength aluminum alloy cellular board and preparation method thereof

Номер: CN116021102A
Автор: SHEN YUANXUN, LI YUNYUE, ZHONG SUJUAN, QIN JIAN, HUANG JUNLAN, DONG BOWEN, SUN HUAWEI, WANG BO, PU JUAN, WANG PENGXU, CHEN SUMING, PEI YIN
Принадлежит:

The invention belongs to the technical field of aluminum alloy cellular boards, and particularly relates to a large-thickness high-strength aluminum alloy cellular board and a preparation method thereof. The preparation method of the large-thickness high-strength aluminum alloy honeycomb plate comprises the following steps that aluminum alloy foil strips are machined into semi-regular-hexagon corrugated strips, and Al-Si amorphous brazing filler metal is machined into flaky brazing filler metal with the preset size; the to-be-welded faces of the semi-regular-hexagon corrugated strips and the sheet-shaped brazing filler metal are welded together through spot welding, and a honeycomb core is formed; and assembling the aluminum alloy upper panel and the aluminum alloy lower panel to two opposite side surfaces of the honeycomb core, and then brazing the assembled to-be-welded surfaces. According to the preparation method of the large-thickness high-strength aluminum alloy honeycomb plate, the ...

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Номер записи: 11
26-05-2023 дата публикации

Method for measuring relative elevation of underwater steel pile of offshore wind power foundation

Номер: CN116163346A
Автор: WANG CHONGMING, ZHAO YONG, ZHANG WENYAO, TIAN CHUNHE, QIN JIAN, WANG XIAOJIN, LI HANGUANG, WANG WENJIE, HAO JIANLU, MENG FAN-WEI, KU ANBANG, DONG XUHUA, SHI YAOFAN
Принадлежит:

The invention discloses a method for measuring the relative elevation of an underwater steel pile of an offshore wind power foundation. The method comprises the following steps: (1) leveling a suction bucket positioning frame; 2) completing the measurement of the relative elevation of the steel piles: after the piling operation of all the steel piles is finished, carrying a pressure sensor by a diver to recheck the elevation at the top of each pile, and specifically, placing the pressure sensor at the top of each steel pile by the diver; a data monitor on a construction ship calculates the pile top water entry elevation of each steel pile after density correction by using data measured by a pile top pressure sensor and data measured by a temperature-salinity-depth instrument, the pile top elevation of each steel pile subtracts the water entry elevation of the bucket top of the first suction bucket to obtain a fixed height difference, and the height of the suction bucket is calculated by ...

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Номер записи: 12
18-07-2023 дата публикации

Nanoporous superabsorbent particles with low non-solvent content

Номер: CN116457087A
Автор: SCHOLL NEIL T, QIN JIAN, DUDEK JENS, GADGIL PRASHANT, CHEN FENG, HOLGESEN JODI L
Принадлежит:

A superabsorbent particle having less than 1000 ppm of non-solvent, a median size of about 50 microns to about 2,000 microns and comprising nanopores having an average cross-sectional size of about 10 nanometers to about 500 nanometers is provided. The superabsorbent particles exhibit a vortex time of about 80 seconds or less.

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Номер записи: 13
27-06-2023 дата публикации

Method for preparing silver-copper composite material through molten salt electrolysis and silver-copper composite material

Номер: CN116334695A
Автор: ZHONG SUJUAN, LU QUANBIN, QIN JIAN, HAO QINGLE, DONG XIAN, FU LONG, NIE MENGJIE, CHENG ZHAN, REN XIAOFEI
Принадлежит:

The invention belongs to the technical field of melt materials, and particularly relates to a method for preparing a silver-copper composite material through molten salt electrolysis and the silver-copper composite material. The method for preparing the silver-copper composite material through molten salt electrolysis comprises the following steps that (1) a working anode and a working cathode are provided, and molten salt electrolyte is prepared; the working anode is crude copper, and the working cathode is a silver electrode plate; the molten salt electrolyte is a binary molten salt system of CuCl2 and NaCl; and 2) placing the working anode and the working cathode in a molten salt electrolyte for electrolysis to form a structure in which silver strips and copper strips are alternately arranged, and processing to obtain the silver-copper composite material. According to the preparation method, the copper is electrically deposited on the silver electrode by consuming the copper anode, meanwhile ...

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Номер записи: 14
05-05-2023 дата публикации

Brazing filler metal for aluminum alloy and preparation method of brazing filler metal

Номер: CN116060830A
Автор: SHEN YUANXUN, ZHAO MINGYUAN, ZHONG SUJUAN, LI YUNYUE, QIN JIAN, JIU YONGTAO, PEI YIN, ZHANG LEI, LU QUANBIN, LI YONG, WANG BO, CHANG YUNFENG, CHEN SUMING, GENG JINFENG
Принадлежит:

The invention belongs to the technical field of aluminum alloy brazing materials, and particularly relates to brazing filler metal for aluminum alloy and a preparation method of the brazing filler metal. According to the preparation method of the brazing filler metal for the aluminum alloy, the fly ash serves as a raw material, aluminum oxide and silicon oxide are reduced to obtain coarse aluminum-silicon alloy, then Ge, Zn and Mn elements are added in the refining process for smelting, and the Al-Si-Ge-Zn brazing filler metal is produced after brazing filler metal processing. The fly ash is adopted as the Al source and the Si source, and Al and Si in the natural fly ash structure are in a uniform distribution state, so that the condition of composition segregation caused by density difference of the Al and the Si can be avoided in the smelting process, and the brazing filler metal obtained after the coarse aluminum-silicon alloy and Ge and Zn metal are smelted is more uniform in composition ...

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Номер записи: 15
06-06-2023 дата публикации

SVM-based green energy power station fault diagnosis method and device

Номер: CN116226768A
Автор: LIU ZIHUA, CAO RUIFENG, RU CHUANHONG, XIE BAOJIANG, QIN JIAN, HUANG WEIJIE, LUO YANGFAN, LOU WEIMING, CHEN TING, HUANG YAO, LI ZHE, DING YUHAI, CHEN JUNJIE, WANG ZUOFANG, MA YIFENG, ZHANG YUNPENG, WANG LU, LIU RUI, FENG LONG, CHEN LIFENG, YE LICHEN, XIE ZHONGTING, CAO JUN, LI JIAHUI, HUANG WEI, HONG LI'AO, ZHENG LIWEN, QI FUDONG, ZHANG WENBO, SUN YIWEN
Принадлежит:

The invention discloses an SVM-based green energy power station fault diagnosis method and apparatus. The method comprises the steps of obtaining feature data of operation factors influencing a green energy power station; converting the feature data into feature vectors, and dividing the feature vectors into multiple groups of data feature sets according to fault types; inputting the multiple groups of data feature sets into the corresponding diagnosis SVM models respectively, and outputting a first fault type and a first occurrence probability of each diagnosis SVM model respectively; inputting each first fault type and the first occurrence probability thereof into a combiner for data fusion to obtain each first fault type and the final occurrence probability thereof; determining the first fault type corresponding to the maximum value of the final occurrence probability as a final fault type; and outputting a diagnosis result according to the final fault type. By processing the feature ...

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Номер записи: 16
16-05-2023 дата публикации

Brazing filler metal for PCBN cutter as well as preparation method and application of brazing filler metal

Номер: CN116117377A
Автор: LONG FEI, ZHANG LEI, JIU YONGTAO, QIN JIAN, SHEN YUANXUN, SUN ZHIPENG, WANG BO, YU SHIMENG
Принадлежит:

The invention provides brazing filler metal for a PCBN cutter and a preparation method and application of the brazing filler metal, and relates to the technical field of brazing. Specifically, the wear-resistant copper alloy material comprises the following components: copper, tin, titanium, wear-resistant particles and an adhesive, wherein the wear-resistant particles comprise at least one of diamond, cubic boron nitride, aluminum oxide and silicon nitride. Through cooperation of copper-tin-titanium and wear-resistant particles, excessive stress concentration is avoided; on the basis of adjustment of the particle size of the wear-resistant particles, a long welding seam is divided into a plurality of small welding seams, so that the welding residual stress is greatly reduced, and the proportion of cracks generated after PCBN hybrid welding can be greatly reduced. And meanwhile, the wear-resistant particles in the welding seam can play a wear-resistant role, so that the wear resistance ...

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Номер записи: 17
02-05-2023 дата публикации

Near-shore underwater relic protection monitoring and alarming system

Номер: CN116052353A
Автор: WANG CHONGMING, LIANG GUOQING, YANG KUN, SUI HAICHEN, ZHANG YANCHANG, MA SHEN, QIN JIAN, YU XIAOGANG, XU ZHIYUAN, LIU ZHIBO, ZHANG KAIHUA, LI JINGYANG, WANG XING
Принадлежит:

The invention discloses a near-shore underwater relics protection monitoring and alarm system, which is characterized by comprising an underwater monitoring part and a land alarm part, the underwater monitoring part comprises a plurality of underwater detection sonars and an underwater acoustic signal receiver; the plurality of underwater detection sonars are uniformly distributed around the underwater relics and are fixedly mounted at the water bottom, and the detection distance covers the whole underwater relics; the underwater acoustic signal receiver is installed at the front edge of a land wharf, receives the underwater acoustic signal sent by the underwater detection sonar and converts the acoustic signal into an electric signal; the land alarm part is installed on the land and comprises a single-chip microcomputer, a loudspeaker and a network transmission module, and the single-chip microcomputer is used for receiving electric signals sent by the underwater detection sonar, triggering ...

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Номер записи: 18
28-07-2023 дата публикации

Bridge curve flange template adjusting device

Номер: CN116493733A
Автор: XU FEI, SUN LIYU, XU XUCHUN, LIU HONGMEI, QIN JIAN
Принадлежит:

The invention relates to the technical field of bridge construction, and discloses a bridge curve flange template adjusting device which comprises a guide rail, two sliding ways are formed in the guide rail, a pressing mechanism is arranged on the left side of the guide rail, and a cutting mechanism, a welding mechanism and a paint spraying mechanism are sequentially arranged above the guide rail from left to right. An adjusting mechanism is arranged on the left side of the welding mechanism and the left side of the paint spraying mechanism, clamping assemblies are arranged in two sliding ways of the guide rail, and the clamping assemblies are matched with all the mechanisms to machine the flange formwork. According to the flange template machining device, forming and automatic stripping of the two flange templates can be automatically completed at a time, through mutual cooperation of the clamping assemblies and the adjusting mechanisms, the postures of the two flange templates can be ...

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Номер записи: 19
25-07-2023 дата публикации

Multilayer gradient polycrystalline diamond compact and preparation method thereof

Номер: CN116476461A
Автор: LONG WEIMIN, QIN JIAN, SI HAO, DING ZONGYE, DONG XIAN, PEI YIN, LU QUANBIN, SHEN YUANXUN, CHANG YUNFENG
Принадлежит:

The invention belongs to the technical field of superhard materials, and particularly relates to a multilayer gradient polycrystalline diamond compact and a preparation method thereof. The multilayer gradient polycrystalline diamond compact comprises a polycrystalline diamond layer, a transition layer A, a hard alloy layer, a transition layer B, a polycrystalline diamond layer, a transition layer C and a hard alloy matrix which are arranged in sequence. On the basis of adopting a double-edge structure and inheriting high wear resistance and impact resistance of a traditional PDC composite sheet, through the gradient structure design of the multiple transition layers, residual stress between the hard alloy layer and the polycrystalline diamond layer is greatly reduced, the risk of cracking of the polycrystalline diamond layer is reduced, and the service life of the polycrystalline diamond layer is prolonged. Meanwhile, the bonding strength between the hard alloy layer and the polycrystalline ...

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Номер записи: 20
18-07-2023 дата публикации

Hydrological instrument metering calibration device and use method thereof

Номер: CN116448148A
Автор: CHEN BOWEN, HUANG XIAOBIN, LIU XINXIN, DING BIN, GU BIN, XI HONGYUAN, QIN JIAN, LU CHUN, LU RONG, SHE BINJIE
Принадлежит:

The invention provides a hydrological instrument metering calibration device and a use method thereof.The hydrological instrument metering calibration device comprises a flow weir groove, a standard cylinder and a reverser, the flow weir groove is provided with a support with an open channel flowmeter probe and a measuring ball, the hydrological instrument metering calibration device further comprises a first water tank and a second water tank, the first water tank is communicated with the second water tank through a fourth communication pipeline, and the hydrological instrument metering calibration device further comprises a straight pipe section; the straight pipe section comprises a straight pipe section I, a straight pipe section II and a straight pipe section III, the water tank II is internally provided with a partition plate, a still water detection instrument and a metering frame, the metering frame is provided with a flow velocity meter, a track is arranged above the water tank ...

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Номер записи: 21
04-04-2023 дата публикации

Electrically-driven sliding device of automobile seat

Номер: CN115891777A
Автор: YANG QINGCHUN, QIN JIAN, ZHANG GUO, XIN YI, LI QINGMAO
Принадлежит:

The invention discloses an automobile seat electric drive sliding device which comprises two sets of sliding rails arranged in parallel, the installation height of one set of sliding rails is larger than that of the other set of sliding rails, each set of sliding rails comprises a lower rail and an upper rail, a lead screw is arranged in each lower rail, a gear box is fixed in each upper rail, and a motor support is connected between the two sets of upper rails. A motor and a conversion gear box are installed on the motor support, a first flexible shaft and a second flexible shaft are coaxially arranged at the two axial ends of the motor, the first flexible shaft is in power connection with the gear box of the sliding rail on one side, and the second flexible shaft is connected to the input end of the conversion gear box. The output end of the conversion gear box is connected to the gear box of the sliding rail on the other side through a third flexible shaft. Through the arrangement of ...

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Номер записи: 22
02-05-2023 дата публикации

Brazing filler metal for superhard cutter as well as preparation method and application of brazing filler metal

Номер: CN116038178A
Автор: LONG FEI, JIU YONGTAO, ZHANG LEI, LU QUANBIN, WANG HONGNA, ZHANG GUANXING, QIN JIAN
Принадлежит:

The invention provides brazing filler metal for a superhard cutter and a preparation method and application of the brazing filler metal, and relates to the technical field of brazing. Specifically, the brazing filler metal comprises copper powder, tin powder, titanium powder and an adhesive. Wherein the copper powder comprises dendritic copper powder and spherical copper powder, and the granularity of the spherical copper powder is larger than the granularity of the dendritic copper powder, the granularity of the tin powder and the granularity of the titanium powder. By optimizing the composition and the particle size of the brazing filler metal, the operation requirement of the hard alloy tool for workers in the assembling process is lowered; the welding seam width is uniform, the assembling efficiency and the welding success rate are greatly improved, and the welding seam joint quality is guaranteed. And meanwhile, the welding seam width is uniform, so that the service life of each tool ...

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Номер записи: 23
30-06-2023 дата публикации

Method and system for detecting energy consumption in laser melt-brazing welding process

Номер: CN116358624A
Автор: FANG NAIWEN, LONG WEIMIN, XU KAI, HUANG RUISHENG, QIN JIAN, WU PENGBO, FENG XIAOBING, MA QINGJUN, HAN XIAOHUI, SUN LAIBO, MA YIMING
Принадлежит:

The invention discloses a method and a system for detecting energy consumption in a laser melt-brazing welding process, and belongs to the technical field of welding processing. The method comprises the steps that no-load energy consumption is obtained, wherein the no-load energy consumption is the sum of energy consumption of all no-load periods; the laser melt-brazing energy consumption is obtained, wherein the laser melt-brazing energy consumption is the sum of the energy consumption of all the welding time periods; gas energy consumption is obtained, the gas energy consumption is gas cumulant data, and the gas cumulant data is obtained through detection of a gas volume flow meter; based on the obtained no-load energy consumption, the obtained laser melt-brazing energy consumption and the obtained gas energy consumption, the total energy consumption of the laser melt-brazing process is obtained; and on the basis of the total energy consumption in the laser melt-brazing process and the ...

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Номер записи: 24
23-05-2023 дата публикации

Method and system for detecting energy consumption in laser wire filling welding process

Номер: CN116140840A
Автор: FANG NAIWEN, XU KAI, LONG WEIMIN, FENG XIAOBING, HUANG RUISHENG, WU PENGBO, MA QINGJUN, QIN JIAN, SUN LAIBO, HAN XIAOHUI, WANG YONGDONG
Принадлежит:

The invention discloses a method and system for detecting energy consumption in the laser wire filling welding process, and belongs to the technical field of welding machining.The method comprises the steps that energy consumption in all no-load periods is obtained to solve no-load energy consumption; the energy consumption of each welding period is obtained to solve the energy consumption of the laser wire filling welding process; measuring the gas cumulant by using a gas flowmeter to obtain the total energy consumption of the gas; the total energy consumption of the laser filler wire welding process is solved through the no-load energy consumption, the energy consumption of the laser filler wire welding process and the total energy consumption of gas; and the welding seam reduced quality of the qualified laser filler wire welding weldment is obtained, and the comparable energy consumption of the welding seam quality of the qualified laser filler wire welding weldment per unit is solved ...

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Номер записи: 25
29-08-2023 дата публикации

Method and system for detecting energy consumption in narrow-gap laser-TIG (Tungsten Inert Gas) electric arc hybrid welding process

Номер: CN116659566A
Автор: WU PENGBO, XU KAI, HUANG RUISHENG, FANG NAIWEN, LONG WEIMIN, FENG XIAOBING, QIN JIAN, SUN LAIBO
Принадлежит:

The invention discloses an energy consumption detection method and system in the narrow gap laser-TIG composite wire filling welding process, and belongs to the technical field of welding machining.The method comprises the steps that no-load energy consumption, welding energy consumption, heat treatment energy consumption before and after welding and cooling system energy consumption during narrow gap laser-TIG electric arc composite welding are collected, and electric energy consumption is solved; measuring the gas energy consumption of the protective gas and the compressed gas in the welding process; and calculating the total energy consumption of the welding process according to the electric energy consumption and the gas energy consumption. By means of the method, scientific quantitative measurement of gas energy consumption, electric energy consumption and the like in the narrow-gap laser-TIG electric arc composite filler wire welding process is achieved, and then enterprise energy ...

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Номер записи: 26
29-08-2023 дата публикации

Wear-resistant reinforced flux-cored wire as well as preparation method and application thereof

Номер: CN116652442A
Автор: QIN JIAN, LIU XIAOFANG, LONG WEIMIN, ZHONG SUJUAN, CHANG YUNFENG, ZHANG GUANXING
Принадлежит:

The invention belongs to the technical field of welding materials, and particularly relates to a wear-resistant reinforced flux-cored wire and a preparation method and application thereof. The wear-resistant reinforced flux-cored wire comprises an outer skin and a flux core, the flux core is composed of, by mass, 2 wt%-5 wt% of diamond micro powder, 0.5 wt%-3 wt% of tungsten powder, 37 wt%-40 wt% of chromium powder, 8 wt%-12 wt% of nickel powder, 1 wt%-6 wt% of molybdenum powder, 2.5 wt%-4 wt% of ferrosilicon alloy powder, 1 wt%-2 wt% of ferroboron alloy powder, 0.5 wt%-3 wt% of titanium carbide powder, 1 wt%-3 wt% of ferrocolumbium alloy powder and the balance reduced iron powder. Various materials are added into the flux core of the welding wire at the same time for hybrid reinforcement, the hardness and wear resistance of a coating can be effectively improved, the service life of a mechanical part is prolonged, and the use requirement of the mechanical part with the high surface wear ...

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Номер записи: 27
16-05-2023 дата публикации

Cobalt-free iron-based multi-component composite hard wear-resistant alloy flux-cored wire as well as preparation method and application thereof

Номер: CN116117375A
Автор: LIU DASHUANG, LONG WEIMIN, GUAN CHANGYONG, ZHONG SUJUAN, QIN JIAN, WEI PING
Принадлежит:

The invention discloses a cobalt-free iron-based multi-component composite hard wear-resistant alloy flux-cored wire as well as a preparation method and application thereof. The flux-cored wire is formed by taking a low-carbon steel strip as an outer skin and powder as a flux core. The invention further discloses the cobalt-free iron-based multi-component composite hard wear-resistant alloy for nuclear power and a preparation method thereof. No Co is added in the material, protective gas or a vacuum environment is not needed, the material is prepared in air through an electric arc melting method, O and N in the air participate in the metallurgical reaction of the flux-cored wire, and a multi-element composite hard phase (Cr, Mn, Fe) 7 (C, B) 3 + (Cr, Mn, Fe) 3 (C, B) + AlN + Al2O3 is promoted to be formed in a wear-resistant alloy structure. The alloy is good in forming, good in wear resistance, low in cost, attractive in forming, free of air holes and free of slag segregation and nodulation ...

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Номер записи: 28
06-07-2016 дата публикации

Air humidifying purifier

Номер: CN0205372900U
Автор: QIN JIAN
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... 本实用新型公开了一种空气加湿净化装置，其设计思路是仿真下雨而净化湿润空气，该空气加湿净化装置包括水箱和设在水箱正上方的加湿净化组件，加湿净化组件包括壳体、喷水体和风机，壳体的顶部设有进风口，壳体的底部设有出风口，风机和喷水体从上至下设在壳体内部，喷水体的侧壁与壳体的内壁之间形成环形的风道，喷水体的底面上设有多个喷头；水箱内设有水泵，水箱的顶部设有进水口。风机将外界空气引入壳体内，再从壳体的出风口流出后与水接触，水以分子的形式扩散到空气中，对室内的空气起到均匀加湿的作用，而且室内的空气很清新，有助于睡眠。同时，空气与水接触时，水还会把空气中的颗粒、甲醛等有害物质大部截留于水中，从而达到净化空气的目的。 ...

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Номер записи: 29
04-04-2023 дата публикации

Die-casting aluminum alloy welding method and device and die-casting aluminum alloy radiator

Номер: CN115889962A
Автор: SHEN YUANXUN, HUANG JUNLAN, QIN JIAN, LI YUNYUE, DONG XIAN, LU QUANBIN, DONG BOWEN, ZHANG LEI, LI WENBIN, WANG BO, CHANG YUNFENG, LI YONG, CUI DATIAN, PU JUAN
Принадлежит:

The invention belongs to the technical field of die-casting aluminum alloy brazing, and particularly relates to a die-casting aluminum alloy welding method and device and a die-casting aluminum alloy radiator. According to the welding method of the die-casting aluminum alloy, the brazing filler metal liquid is brushed on the to-be-welded faces, then the to-be-welded faces are compounded, and diffusion is conducted under certain pressure and temperature so that connection of the welding faces can be achieved. According to the method, a brazing filler metal liquid brushing method and a diffusion welding method are combined, Si atoms in die-casting aluminum alloy base metal can be diffused more sufficiently, and therefore the joint strength is effectively improved. In addition, the whole process of melting the brazing filler metal liquid, preheating the workpiece and welding the workpiece is integrated, and the welding efficiency is high. In addition, in the welding process, the whole radiator ...

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Номер записи: 30
02-06-2023 дата публикации

Aluminum-steel composite part and preparation method and application thereof

Номер: CN116201795A
Автор: SHEN YUANXUN, DONG BOWEN, ZHONG SUJUAN, QIN JIAN, DONG XIAN, HUANG JUNLAN, JIU YONGTAO, CHANG YUNFENG, LI YUNYUE, WANG MENG, ZHANG LEI, CHEN SUMING, PEI YIN, GENG JINFENG
Принадлежит:

The invention relates to the technical field of metal composite materials, in particular to an aluminum steel composite part and a preparation method and application thereof. The aluminum-steel composite part comprises an aluminum alloy part and a plated steel part which are connected with each other through a connecting part and/or metallurgical bonding; when the aluminum alloy part and the plated steel part are connected through the connecting piece, the connecting piece comprises at least one of a steel bolt and a composite bolt. When the aluminum alloy part and the coated steel part are connected at least through the steel bolt, the head of the steel bolt is arranged in the aluminum alloy part, and a filling layer is arranged between the head of the steel bolt and the aluminum alloy part. The aluminum steel composite part has the advantages that the quality is stable, the bonding strength is high, and joints are not prone to loosening.

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Номер записи: 31
04-04-2023 дата публикации

Low-temperature diffusion welding honeycomb core and preparation method thereof

Номер: CN115889963A
Автор: SHEN YUANXUN, ZHONG SUJUAN, LI YUNYUE, DONG XIAN, QIN JIAN, LIU DEYUN, DONG BOWEN, JIU YONGTAO, PU JUAN, CHENG ZHAN, ZHAO MINGYUAN, WANG PENGXU, CHEN SUMING
Принадлежит:

The invention belongs to the technical field of aluminum honeycomb plates, and particularly relates to a low-temperature diffusion welding honeycomb core and a preparation method thereof. The preparation method of the low-temperature diffusion welding honeycomb core comprises the following steps that (1) the surfaces of aluminum alloy foil belts are coated with active alloy powder at equal intervals, solder resists are arranged in uncoated areas, and then the different aluminum alloy foil belts are stacked; and (2) carrying out vacuum diffusion welding on the aluminum alloy foil strip, and then slitting and stretching to obtain the aluminum alloy foil. According to the method, an adhesive adopted in the stretching method preparation process is replaced with low-melting-point alloy powder, and metallurgical bonding of the honeycomb core interlayer is achieved through diffusion welding. An adhesive is not used in the welding process, so that the problem of black residue of the adhesive at ...

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Номер записи: 32
06-07-2016 дата публикации

A high-flux antibody PURRIFYING device for

Номер: CN0205368200U
Автор: 万定一, 杨娟, 李华渊, 何峰容, 刘勇, 秦建, 姚雯
Принадлежит:

... 本实用新型提供了一种高通量抗体纯化仪，包括多相蠕动泵、纯化柱、纯化柱架和废液槽，纯化柱架和废液槽放置的水平桌面上，纯化柱有若干个，通过挂夹连接在纯化柱架上，多相蠕动泵的出液口通过软管与纯化柱连接，多相蠕动泵的进液口通过管路连接抗体样品溶液，管路有若干条，每条管路与每个纯化柱一一对应连通，废液槽设置在纯化柱下方。该高通量抗体纯化仪克服了现有抗体纯化仪器使用和维护成本高，只能完成单样品纯化并且纯化效率低下的现状，利用多相蠕动泵能同时完成多条管路的供液，同时纯化多个抗体以及维持纯化柱内外气压，提高工作效率和纯化效率。 ...

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Номер записи: 33