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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 22. Отображено 22.
30-12-2015 дата публикации

A sealing device for fiber composite material pipe hydraulic bursting test

Номер: CN0204922371U
Автор: LIU PING, JIA LIWEI, LIU MINGHONG, SUN BINGJUN, WU LEI, WEN YU, LI WEIPING
Принадлежит:

The utility model discloses a sealing device for fiber composite material pipe hydraulic bursting test, install the water injection piston on test piece inner chamber upper portion including utilizing the installation with the lead ring, utilize the installation to install the sealed piston in test piece inner chamber lower part with the lead ring, the periphery wall top -down of water injection piston sets gradually seal gasket, O type sealing washer, the sealing member, the water injection mouth is connected in the ladder screw of water injection piston middle part, the periphery wall top -down of sealed piston sets gradually the sealing member, O type sealing washer, seal gasket, the post assembling is placed the test piece in an explosion -proof section of thick bamboo, the lower part of sealed piston sets up the cushion, explosion -proof section of thick bamboo inner chamber upper portion screw in upper cover, make the water injection mouth pass the centre bore of upper cover, explosion ...

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Номер записи: 1
23-12-2015 дата публикации

Protection device for combined material cylindric goods hydraulic bursting test

Номер: CN0204903150U
Автор: LI WEIPING, LIU MINGHONG, SUN BINGJUN, LIU PING, YANG HONGWEI, HU YUXIA, QIAO RUI, JIA LIWEI, GUO WEI, CHEN MING, HAN XUEMEI, LI XINGLING, WEN YU
Принадлежит:

The utility model discloses a protection device for combined material cylindric goods hydraulic bursting test, including the protective housing of getting rid of the bottom plate and the blasting utensil of arranging the protective housing inner chamber in, protective housing bottom both sides outer wall all is provided with horizontal fixed plate, the fixed plate bottom is provided with two truckles of taking the auto -lock, protective housing side hinged joint has the guard gate, the guard gate free end passes through the safety lock closure with the protective housing outer wall, the welding of protective housing top has a plurality of fixed columns, the fixed column overcoat is equipped with the counter weight ring, protective housing inner wall department is provided with the rubber slab, outer wall department is provided with the handle, form the water pipe through -hole in the roof. The utility model discloses remove in a flexible way, when hydraulic bursting test borehole blasting ...

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Номер записи: 2
18-04-2023 дата публикации

Robot winding method and device for preparing composite material rotary drum

Номер: CN115972621A
Автор: JIA LIWEI, HAN ZHENYU, LIU MINGHONG, SUN BINGJUN, LIU XIN
Принадлежит:

The invention discloses a robot winding method and device for composite material rotary drum preparation, the device comprises a robot trolley assembled on a winding machine tool body, the robot trolley is provided with a robot body, and the tail end of the robot body is provided with an end effector; the end effector is connected with the robot body through a positioning disc; the method comprises the steps of clamping a workpiece on a winding machine, and determining the initial position of a robot trolley according to the product size; a winding head is mounted at the tail end of the robot body through a positioning disc; a fiber shaft is installed on a yarn shaft and penetrates through a winding head assembly according to a specified path; a winding laying layer and a tension system are determined, and tension is controlled through a tension applying unit. According to the multi-process composite forming robot winding method and device, the robot is adopted, different end effectors ...

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Номер записи: 3
28-05-2014 дата публикации

Demolding device of cylindrical core mold

Номер: CN103817917A
Автор: GUO WEI, LIU MINGHONG, SUN BINGJUN, LI XINGLING, QIAO RUI, HAN XUEMEI, WEN YU, CHEN MING, LI WEIPING, JIA LIWEI
Принадлежит:

The invention discloses a demolding device of a cylindrical core mold and belongs to the demolding field of core molds. The demolding device of the cylindrical core mold comprises a base, an upper rack and a lower rack, wherein the upper rack and the lower rack are fixedly connected with each other through bolts; travel guide rails and sliding blocks which are matched with the travel guide rails are mounted on the upper rack; the side walls of two ends of a demolding travel block with through holes formed in the middle and two sides of the lower bottom surface are fixedly connected with the sliding blocks through the bolts; a hydraulic cylinder is mounted in a center of a part between stand columns on the same side of the lower rack; the top of an output shaft in the hydraulic cylinder stretches into the demolding travel block through the through holes in two sides of the lower bottom surface of the demolding travel block; a mold fixing module is clamped and matched with the demolding travel ...

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Номер записи: 4
30-12-2015 дата публикации

Be used for winding yarn device that moves back of fibre

Номер: CN0204914621U
Автор: GUO WEI, LI XINGLING, SUN BINGJUN, QIAO RUI, CHEN MING, LI WEIPING, HAN XUEMEI, JIA LIWEI, WEN YU, LIU MINGHONG
Принадлежит:

The utility model discloses a be used for winding yarn device that moves back of fibre, including work platform, install support frame, converter, first backup pad and second backup pad on the work platform mesa in proper order, the motor is installed on the support frame, moves back yarn pole one end and passes first backup pad, goes out the axle with the motor and passes through the coupling joint, and the nut is installed to the other end, it is provided with the bearing to move back between yarn pole and the first backup pad, move back and install two holding rings on the yarn pole, the guide bar is installed between first backup pad and second backup pad, and the guide ring is installed on the guide bar, the converter is connected with the motor. The utility model discloses the yarn that moves back that can be used to winding of fibre wet process or dry winding is operated, has realized the automation of moving back the yarn, has alleviateed the working strength who moves back the ...

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Номер записи: 5
18-04-2023 дата публикации

High-precision composite material forming method and equipment for dry-wet mixed winding

Номер: CN115972620A
Автор: JIA LIWEI, HAN ZHENYU, LIU MINGHONG, SUN BINGJUN, LIU XIN
Принадлежит:

The invention belongs to the technical field of mixed use of fiber dry-process winding and wet-process winding, and particularly relates to a high-precision composite material forming method and equipment for dry-process and wet-process mixed winding, and a special high-performance dry fiber roll is mounted in a yarn box of a wet-process winding subsystem; the dry fibers are conveyed to a liquid resin impregnation device through a yarn guide wheel train, and resin impregnation is completed; the resin-impregnated fibers are continuously conveyed to a tension applying and control system, and fiber tension applying is completed; the fibers subjected to tension application continue to be conveyed to a spinning nozzle and then are bound and fixed at the end of a winding core mold; and a five-axis linkage wet winding subsystem is started. The two functions of dry-method winding and wet-method winding are achieved at the same time, dry-method and wet-method mixed alternate winding is achieved ...

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Номер записи: 6
20-01-2016 дата публикации

Be used for winding closed water bath constant temperature equipment of carbon fiber wet process

Номер: CN0204977503U
Автор: JIA LIWEI, LI WEIPING, SUN BINGJUN, LIU MINGHONG, LI XINGLING, QIAO RUI, HAN XUEMEI, GUO WEI, CHEN MING, LIU PING, YANG HONGWEI, HU YUXIA
Принадлежит:

The utility model discloses a be used for winding closed water bath constant temperature equipment of carbon fiber wet process, including the basin, basin internally mounted has thermocouple and heating pipe, and water bit map is installed to basin outer wall one side, and the handle is installed to the opposite side, the sump cover board is installed to the basin upper end, is provided with sealed the pad between sump cover board and the basin, is formed with the water filling port on the sump cover board, and the middle part undercut forms glues bowl groove, glues the bowl and places in gluing bowl groove, and the thermocouple passes through waterproof wire with the temperature controller to be connected, and the heating pipe passes through waterproof wire with heating power supply and is connected. The utility model discloses simple structure is compact, convenient to use, can adjust the basin application temperature according to the change of fibre or resin, has good application.

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Номер записи: 7
18-04-2023 дата публикации

Method and device for forming high-precision composite material cylinder with ultrathin nonferrous metal foil inner wall

Номер: CN115972612A
Автор: JIA LIWEI, LIU MINGHONG, SUN BINGJUN, YANG FUJIANG, QIAO RUI, LI XINGLING, WANG XIAOPENG
Принадлежит:

The invention discloses a method and a device for forming a high-precision composite material cylinder with an ultrathin nonferrous metal foil inner wall. The method comprises the following steps: i) cutting an aluminum foil; (ii) winding a layer of non-ferrous metal foil on the surface of the cylindrical mold, and overlapping two ends of the non-ferrous metal foil; (iii) welding the overlapped lap joint part of the non-ferrous metal foil by adopting a special welding method; (iv) carrying out surface modification on the non-ferrous metal foil; (v) winding the high-performance fiber on the surface of the non-ferrous metal foil by adopting a winding process; vi, curing and demolding the wound part; the device comprises an automatic cutting device, a welding sealing device, an automatic surface glue spraying device, a high-precision composite material winding forming device, a heating curing oven and a demolding device. The device is simple, reliable and high in operability, and can effectively ...

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Номер записи: 8
25-07-2023 дата публикации

Pseudo-protogenetic rock mass structural plane splitting generation device and method

Номер: CN116482334A
Автор: LI WEITENG, LI WENXU, LEE JUNG-GUL, SUN BINGJUN, ZHAO WENXIN, QIN ZHE, YANG XUXU, FENG QIANG, MEI YUCHUN
Принадлежит:

The invention discloses a quasi-primary rock mass structural plane cleavage generation device and method.The device comprises cleavage teeth, a check block, a cleavage box, a metal net, a lifting motor, a pressure sensor and a clamping seat, feeding windows are formed in the two sides of the cleavage box, and meanwhile linear sliding rails are fixedly connected to the centers of the two sides in the cleavage box; the linear sliding rails are slidably connected with sliding seats, limiting frames are connected to the sliding seats in an inserted mode, the limiting frames are formed by connecting check blocks corresponding to each other through groove buckles, metal nets are fixedly connected to the check blocks through groove buckles, and a controller and an information transmitter are arranged on the two sides of the top end of the outer portion of the splitting box body. The upper end and the lower end in the splitting box are fixedly connected with a double-shaft motor and a first fixing ...

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Номер записи: 9
30-12-2015 дата публикации

Sealing device is used in blasting of a combined material section of thick bamboo

Номер: CN0204921971U
Автор: HU YUXIA, YANG HONGWEI, SUN BINGJUN, WEN YU, LIU MINGHONG, LI XINGLING, QIAO RUI, GUO WEI, CHEN MING, HAN XUEMEI, JIA LIWEI, LI WEIPING
Принадлежит:

The utility model discloses a sealing device is used in blasting of a combined material section of thick bamboo, including place in the inside upper seal utensil in combined material section of thick bamboo both ends with lower seal utensil, no. I sealing washer, no. II sealing washers and set up in the outside clamp in combined material section of thick bamboo both ends, the upper seal utensil comprises the utensil of the upper seal through fix with screw upper portion and upper seal utensil lower part, the lower seal utensil possesses upper portion and lower seal by the lower seal of passing through the fix with screw and possesses the lower part and constitutes, upper seal utensil lower part and lower seal all form the recess along external circumferential wall, and no. II the sealing washer sets up in the recess, upper seal utensil lower part upwards forms goes up the boss, and its outside is provided with four through the connected circular arc board of going up of spring, lower seal ...

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Номер записи: 10
27-06-2023 дата публикации

Cabazitaxel prodrug antitumor preparation

Номер: CN116332879A
Автор: SUN JIN, SUN BINGJUN, HE ZHONGGUI, ZHANG YU, WANG DANPING, LUO CONG, ZUO SHIYI, LI LINGXIAO, DU CHAOYING
Принадлежит:

The invention relates to a cabazitaxel prodrug anti-tumor preparation, belongs to the field of new auxiliary materials and new dosage forms of pharmaceutical preparations, designs and synthesizes cabazitaxel-fatty alcohol micromolecule prodrugs containing different fatty alcohol side chains and different connecting chains in general formulas (I), (II) and (III), and prepares self-assembled nanoparticles. Results show that the cabazitaxel-fatty alcohol micromolecule prodrug self-assembled nanoparticles can effectively improve the curative effect of cabazitaxel and reduce the toxic and side effects of cabazitaxel. The length of a side chain of branched fatty alcohol, the structure of the side chain of the fatty alcohol, the element composition of a connecting chain and the length of the connecting chain can obviously influence the pharmaceutical property, the in-vivo fate and the anti-tumor activity of the cabazitaxel prodrug self-assembled nanoparticles; compared with cabazitaxel-straight ...

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Номер записи: 11
25-07-2023 дата публикации

Device and method for simulating occlusion type blocky rock mass by using quadrilateral cylinder with concave angle

Номер: CN116481878A
Автор: SUN BINGJUN, LI WEITENG, LI HONGZE, WANG MINGFA, JIANG WEILIANG, ZHAO WENXIN, LI WENXU, LI TINGCHUN, MEI YUCHUN
Принадлежит:

The invention discloses a device and a method for simulating an occlusion type blocky rock mass by using a quadrilateral cylinder with a concave angle. The method comprises the following steps: step 1, geological exploration; 2, mechanical parameters are obtained; 3, preliminarily determining the size; 4, carrying out numerical simulation; 5, optimizing the size of the concave-angle quadrilateral cylinder; step 6, preparing similar materials; 7, carrying out a model test; step 8, processing and analyzing; according to the method, rock stratum attitude characteristics are obtained through field exploration, then rock mass mechanical parameters are obtained through a test, the size of a concave-angle quadrilateral cylinder used for testing is determined according to the distance and form distribution of geological section structural surfaces, size optimization is conducted, then the tamping assembly is used for tamping materials filled in the main body assembly, and the tamping effect is ...

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Номер записи: 12
23-06-2023 дата публикации

Method for prefabricating cracks in resin fracture toughness test and method for testing resin fracture toughness

Номер: CN116296681A
Автор: LI JINGYAO, WANG QITAO, LIU JINGWEI, SUN BINGJUN
Принадлежит:

The invention discloses a method for prefabricating a crack in a resin fracture toughness test and a method for testing the resin fracture toughness, and the method for prefabricating the crack comprises the following steps: machining a sharp crack initiation gap, and then machining to penetrate through the root part of the gap for extension; and finally, cutting a crack tip which is sharp enough by using a razor blade. According to the method, the crack size and trend are in a vertical state, so that measurement and observation are easier; the resin fracture toughness testing method is high in qualified rate, simple and convenient in data measurement, small in scattering difference of testing results and high in safety, and can effectively solve the problems of low qualified rate, difficulty in data measurement, large scattering difference of testing results, low safety and the like of the existing testing method.

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Номер записи: 13
28-09-2021 дата публикации

Efficient online training for machine learning

Номер: US0011132602B1
Автор: Zhiyong Xie, Yue Lu, Pengjun Pei, Gary Lam, Shuanghong Yang, Yong Wang, Ziqi Huang, Xiaojiang Guo, Van Lam, Lanbo Zhang, Bingjun Sun, Sridhar Iyer, Sandeep Pandey, Qi Li, Dong Wang, XIE ZHIYONG, LU YUE, PEI PENGJUN, LAM GARY, YANG SHUANGHONG, WANG YONG, HUANG ZIQI, GUO XIAOJIANG, LAM VAN, ZHANG LANBO, SUN BINGJUN, IYER SRIDHAR, PANDEY SANDEEP, LI QI, WANG DONG, Xie, Zhiyong, Lu, Yue, Pei, Pengjun, Lam, Gary, Yang, Shuanghong, Wang, Yong, Huang, Ziqi, Guo, Xiaojiang, Lam, Van, Zhang, Lanbo, Sun, Bingjun, Iyer, Sridhar, Pandey, Sandeep, Li, Qi, Wang, Dong
Принадлежит: Twitter, Inc., TWITTER INC

An example system includes prediction workers, training workers, and a parameter server. The prediction workers store a local copy of a machine-learned model and run the mode exclusively in serving mode. The training workers store a local copy of a machine-learned model and a local snapshot and run the local copy exclusively in training mode and compare the local model or state to the snapshot after training to send delta updates to the parameter server after training. The parameter server aggregates received delta updates into a master copy of the model, sends the aggregated updates back to training workers and provides two types of updates; a real-time update based on a comparison of the master model with a local snapshot, and a full update. The real-time update occurs at least an order of magnitude more frequently than the full update and includes a subset of the weights in the model.

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Номер записи: 14
27-06-2023 дата публикации

Docetaxel prodrug anti-tumor preparation

Номер: CN116327968A
Автор: SUN JIN, SUN BINGJUN, HE ZHONGGUI, DU CHAOYING, WANG DANPING, LUO CONG, LIU TIAN, DONG FUDAN, ZHANG YU
Принадлежит:

The invention discloses a docetaxel prodrug anti-tumor preparation, and belongs to the field of new auxiliary materials and new dosage forms of pharmaceutical preparations. The docetaxel-fatty alcohol prodrugs containing different fatty alcohol side chains and different connecting chains and shown in the following general formula (I) are specifically designed and synthesized, and the self-assembled nanoparticles are prepared. Results show that the docetaxel-fatty alcohol prodrug self-assembled nanoparticles can effectively improve the curative effect of docetaxel and reduce the toxic and side effects of docetaxel; the length of the side chain of the branched fatty alcohol, the structure (branched chain or straight chain) of the side chain of the fatty alcohol and the length of the connecting chain have obvious influence on the pharmaceutical properties, in-vivo fate, anti-tumor activity and safety of the docetaxel prodrug self-assembled nanoparticles. The docetaxel-branched chain fatty ...

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Номер записи: 15
05-06-2020 дата публикации

Dredging device for water conservancy project

Номер: CN0210684841U
Автор: SUN BINGJUN, ZOU MING, HU WEI, LIU ZHICHAO, TANG SHENHANG, DONG CHAO
Принадлежит: XIANGSHAN RED CONSTRUCTION CO LTD, XIANGSHAN RED CONSTRUCTION CO., LTD.

The utility model relates to the technical field of water conservancy projects. The desilting device for the water conservancy project comprises a desilting device body. The filter comprises a shell,a mounting frame and a filter box, a driving motor is arranged in the middle of the mounting frame; the output end of the driving motor is connected with the sludge suction mechanism; the sludge suction mechanism comprises a square pipe used for being connected with the output end of a driving motor. A plurality of stirring parts are evenly arranged outside the square pipe, one end of the square pipe is correspondingly provided with a transition pipe used for communicating with the communicating pipe, the other end of the square pipe is movably connected with a partition plate, the partition plate is provided with a connecting column used for being connected with the output end of the telescopic rod, and a plurality of screen pipes are correspondingly arranged on the inner side wall of thesquare ...

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Номер записи: 16
16-12-2015 дата публикации

Preparation facilities of gumming fibre tensile sample

Номер: CN0204882185U
Автор: HU YUXIA, YANG HONGWEI, SUN BINGJUN, GUO WEI, QIAO RUI, CHEN MING, LIU MINGHONG, LI XINGLING, WEN YU, JIA LIWEI, LI WEIPING, HAN XUEMEI
Принадлежит:

The utility model discloses a preparation facilities of gumming fibre tensile sample, including the layer board the up end of layer board is provided with the clamp plate along the bottom plate that transversely is provided with two parallels on, pass through bolted connection between bottom plate and the clamp plate. The utility model discloses simple structure, convenient operation, application scope is wide, not only can prepare the gumming fibre tensile sample of different active section length, can also guarantee that specimen preparation in -process atress is evenly controllable, and in preparation during than the gumming fibre tensile sample of O -fibres, whole preparation facilities can remove firing equipments such as putting into the oven and in order to shorten the specimen preparation required time, raise the efficiency, has good application.

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Номер записи: 17
05-06-2020 дата публикации

Riverway treatment device for hydraulic engineering

Номер: CN0210684831U
Автор: SUN BINGJUN, ZOU MING, ZHOU BAONAN, LIU ZHICHAO, TANG SHENHANG, LI ZHENDONG
Принадлежит: XIANGSHAN RED CONSTRUCTION CO LTD, XIANGSHAN RED CONSTRUCTION CO., LTD.

The utility model relates to the technical field of water conservancy projects. The riverway treatment device for the water conservancy project comprises a riverway, protective shell, a driving box isarranged in the protective shell; the upper end of the driving box is connected with the upper end in the protective shell through a lifting mechanism, the lower end of the driving box is provided with a pumping pipe used for pumping riverway sludge, the lower end of the pumping pipe extends out of the protective shell, the right side of the protective shell is provided with a sealing plate usedfor installing the pumping box, and the side face of the pumping box is provided with a first connecting pipe communicated with the pumping pipe. According to the utility model, the first connecting pipe is communicated with the extraction pipe so as to ensure that the extraction box extracts air from the first connecting pipe and the extraction pipe in sequence; meanwhile, the extraction pipe isdriven ...

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Номер записи: 18
01-08-2023 дата публикации

Exosome secretion promoter and photosensitizer co-carrier membrane fusion liposome as well as preparation and application thereof

Номер: CN116509803A
Автор: SUN JIN, HE ZHONGGUI, HE YIFEI, WANG KAIYUAN, SUN BINGJUN, LU YUTONG
Принадлежит:

The invention relates to an exosome secretion promoter and photosensitizer co-carrier membrane fusion liposome and preparation and application thereof, and belongs to the technical field of medicines, the exosome secretion promoter and the photosensitizer are wrapped in the membrane fusion liposome, and the co-carrier membrane fusion liposome is obtained. The two drugs are transferred to the deep part of a solid tumor layer by layer through exosomes secreted by tumor cells. The exosome secretion promoter stimulates the generation of the exosome, and the exosome-mediated photosensitizer permeation is significantly amplified. The nano preparation driven by the endogenous exosome can penetrate through tumors to reach the deep part, the photodynamic therapy effect is enhanced, the encapsulation efficiency and the drug loading capacity are high, the stability is good, and the penetrability to tumor tissues is good. On the basis of researching the influence of the combined use of the endogenous ...

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Номер записи: 19
30-12-2015 дата публикации

Detection apparatus for welding seam leakproofness behind ultrasonic bonding

Номер: CN0204924597U
Автор: LI WEIPING, WU LEI, LIU MINGHONG, SUN BINGJUN, LI XINGLING, JIA LIWEI, GUO WEI, CHEN MING, QIAO RUI, HAN XUEMEI, YANG HONGWEI
Принадлежит:

The utility model discloses a detection apparatus for welding seam leakproofness behind ultrasonic bonding, including transversely placing, the top is opened wide, and the clamping box of inside vacuole formation, clamping box open end form the indent assembly bench, and length direction's side end face forms the pilot hole with the cavity intercommunication, is packaged with apron, tinsel in proper order through the vacuum cement on the indent assembly bench, forms a plurality of through -holes along the straight line apron on, and filiform ultrasonic wave welding seam misplaces with the through -hole mutually on the tinsel, and the pilot hole is provided with the air cock, and air cock and combination department of clamping box are passed through the vacuum cement and is sealed up. The utility model discloses a clamping box, apron are realized the tinsel fixedly to further improve binding site's leakproofness through the vacuum cement, thereby the helium leak detector manages to find ...

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Номер записи: 20
30-12-2015 дата публикации

Cylindric composite product's surface treatment equipment

Номер: CN0204914623U
Автор: LI WEIPING, LIU MINGHONG, SUN BINGJUN, LI XINGLING, JIA LIWEI, HAN XUEMEI, QIAO RUI, CHEN MING, GUO WEI, LIU PING
Принадлежит:

The utility model discloses a cylindric composite product's surface treatment equipment, including the solidification case, the motor of solidification roof portion passes through the composite product rotation of timing belt drive incasement, it leads the thick stick to be provided with two numbers between composite product and the solidification case opening curb plate, the lead screw, lead the thick stick one number, solidification case curb plate department is provided with drive screw pivoted step motor and leads the thick stick for one number with the drive and lean out the cylinder that the end reciprocated, be provided with the sleeve on the connecting coupling board no. Two, the screw, a sleeve, the connecting plate is kept away from composite product one side and is provided with vertical branch, be provided with album gluey box on the branch and scrape the film. The utility model discloses a piston rod of the cylinder's the promotion and the next realization that restores to ...

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Номер записи: 21
20-01-2016 дата публикации

Inside lining combined material drum cut off clamping device

Номер: CN0204976788U
Автор: LI WEIPING, LIU MINGHONG, SUN BINGJUN, JIA LIWEI, LI XINGLING, QIAO RUI, GUO WEI, HAN XUEMEI, CHEN MING, LIU PING, YANG HONGWEI, HU YUXIA, WEN YU
Принадлежит:

The utility model discloses an inside lining combined material drum cut off clamping device, including the three -jaw chuck who is provided with three chuck jaw, be provided with the chuck key that adjustment chuck claw harmomegathus was measured among the three -jaw chuck, it has the circular arc board all to weld on the three chuck jaw, and circular arc board outer wall department forms and cuts off the groove. The utility model discloses a harmomegathus of circular arc board realizes the clamping of combined material drum fixedly, cuts off the combined material drum along the groove that cuts off in the circular arc board through the cutting off cutter, and the suitability is strong, the utility model discloses can avoid raiseing or being damaged of in cutting -off process inside lining.

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Номер записи: 22