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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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Применить Всего найдено 9. Отображено 9.
02-05-2023 дата публикации

Vibration isolation system, method and device and electronic equipment

Номер: CN116044953A
Автор: WU HUAISHUAI, ZHANG JINJIN, XU KEPENG
Принадлежит:

The invention discloses a vibration isolation system, method and device and electronic equipment, and relates to the technical field of vibration isolators. Wherein the vibration isolation system comprises a working platform, a shock absorber, a mounting platform and a sealing device, the shock absorber is mounted above the mounting platform, the working platform is arranged above the shock absorber, and the sealing device is used for fixing and sealing the shock absorber; n upper magnets are arranged on the surface, close to the mounting platform, of the shock absorber, N lower magnets opposite to the N upper magnets are arranged on the surface, close to the shock absorber, of the mounting platform, and the upper magnets and the lower magnets which correspond to each other are connected through springs. The surfaces of the N upper magnets are wound by first coils respectively, each first coil is connected with a current controller, and/or the surfaces of the N lower magnets are wound by ...

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Номер записи: 1
04-07-2023 дата публикации

Turbine blade

Номер: CN116378774A
Автор: JIANG XUXU, XU KEPENG, CHEN CHUNFENG, ZHANG ZHENGQIU, WANG WENSAN
Принадлежит:

The invention provides a turbine blade, and relates to the field of turbine blades, the turbine blade comprises a blade body, the interior of the blade body is hollow, and a plurality of first air film holes distributed at intervals are formed in the rear edge of the blade body; the end wall is arranged at the end of the blade body, a cold air cavity communicated with the interior of the blade body is formed in the end wall, the side, away from the blade body, of the cold air cavity is in an opening shape, and a second air film hole communicated with the outside is formed in the end wall; the impact plate is arranged at the opening of the cold air cavity, a plurality of first impact holes are formed in the impact plate, and the first impact holes are distributed at intervals and all communicate with the cold air cavity; and the multiple column ribs are arranged in the cold air cavity at intervals, the column ribs are arranged in the radial direction of the blade body, and the ends, close ...

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Номер записи: 2
08-08-2023 дата публикации

Electric driving system and electric vehicle

Номер: CN116566138A
Автор: ZHONG HUI, WU RUIWEN, WANG YUAN, XU KEPENG, JIN YIJUN
Принадлежит:

The invention discloses an electric driving system and an electric vehicle, and relates to the technical field of new energy automobiles, the electric driving system comprises a motor and a bearing electrocorrosion inhibition device, the motor comprises a motor shell, a bearing and a rotating shaft, the bearing and the rotating shaft are arranged in the motor shell, and the bearing electrocorrosion inhibition device comprises a capacitor module and a first resistor module which are connected in series; the input end of the bearing electro-corrosion inhibition device is electrically connected with the rotating shaft, and the output end of the bearing electro-corrosion inhibition device is grounded; the electric vehicle comprises the electric driving system. According to the invention, the problem of bearing electrocorrosion of the motor in the prior art is solved, and the effects of inhibiting bearing electrocorrosion and prolonging the service life of the bearing are realized.

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Номер записи: 3
02-05-2023 дата публикации

Brush type sealing device and gas turbine

Номер: CN116044517A
Автор: ZHANG ZHENGQIU, XU KEPENG, CHEN CHUNFENG, WANG WENSAN, JIANG XUXU, CHEN JIANGLONG, YANG LONG, ZHANG LEI
Принадлежит:

The invention provides a brush type sealing device and a gas turbine, the gas turbine comprises a stator and a rotor, the stator and the rotor are oppositely arranged, and the brush type sealing device comprises a pairing structure arranged on the side face, close to the stator, of the rotor; the dual runway is arranged on the side surface, close to the rotor, of the stator and corresponds to the position of the pairing structure; one end of the brush ring is of an installation structure, the brush ring is movably connected with the pairing structure on the rotor through the installation structure, and the other end of the brush ring and the dual runway are spaced by a first preset distance. The mounting structure is movably connected with the pairing structure, so that the brush ring can move by a certain distance relative to the rotor in a working state, the purpose of self-adaptive adjustment of the sealing gap is achieved, the sealing effect of the brush type sealing device is greatly ...

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Номер записи: 4
02-06-2023 дата публикации

Supercharger rotating speed monitoring method and device, electronic equipment and storage medium

Номер: CN116201632A
Автор: ZHANG JIE, TIAN XINWEI, ZHANG ZHONGYE, XU KEPENG, CHEN ZHIXIANG
Принадлежит:

The invention discloses a supercharger rotating speed monitoring method and device, electronic equipment and a storage medium. The method comprises the steps that actual parameters of a current supercharger and current operation parameters of an engine are acquired; theoretical parameters of the supercharger are determined according to the current operation parameters of the engine; the actual parameters are compared with the theoretical parameters, and whether air leakage exists after pressurization of the supercharger or not is determined; if air leakage does not exist, the current air inflow of the engine can be directly determined as the current air inflow of the supercharger, and the current pressure ratio of the supercharger is calculated; and if the air leakage exists, the current air inlet amount of the engine is corrected through the first correction amount, and the current air inlet amount of the supercharger is obtained. If the current working condition of the combined operation ...

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Номер записи: 5
10-06-2015 дата публикации

Turbine moving blade locking device and method, blade employing same, and turbine

Номер: CN104696021A
Автор: XU KEPENG, WANG WUGANG, LIU HE, YANG JIAN, ZHU JIANHONG
Принадлежит:

The invention discloses a turbine moving blade locking device. The turbine moving blade locking device includes intermediate connecting blocks and locking toothed pins, wherein the locking toothed pins are used for locking a locking moving blade and the intermediate connecting blocks on a rotor through the toothed structures; each locking toothed pin can be divided into two parts; the two parts of each locking toothed pin are respectively connected onto the intermediate connecting blocks and the rotor during mounting, and are rotated by 90 DEG and punch-riveted after assembly to lock the intermediate connecting blocks and the locking moving blade. The invention further discloses a turbine moving blade locking method, a turbine blade employing the turbine moving blade locking device and method, and a turbine. The locking device provided by the invention achieves simplicity and high convenience in processing, is highly reliable, facilitates processing and blade assembly and replacement, and ...

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Номер записи: 6
09-06-2023 дата публикации

Damping gear and gear train

Номер: CN116241631A
Автор: XU KEPENG, WANG DECHENG, ZHANG ZHONGYE
Принадлежит:

The invention provides a damping gear and a gear train, the damping gear comprises a rotor, the rotor comprises a gear part and a rotating part, the gear part is used for being meshed with a target gear, the rotating part is connected with the gear part, the gear part is used for driving the rotating part to rotate, and the target gear is a gear with negative torque in the working process; and the stator and the rotor form a sealing cavity, the rotating part is located in the sealing cavity, and damping liquid is contained in the sealing cavity. The damping gear is adopted to replace a shearing gear, the negative torque can be eliminated only by ensuring that the damping torque of the damping gear is larger than or equal to the maximum negative torque of the target gear, gear knocking noise is avoided, the damping torque is easy to control, and stability is high; the problem that in the prior art, a shearing gear used for reducing gear knocking noise is poor in stability is solved.

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Номер записи: 7
21-10-2015 дата публикации

Steam turbine moving vane fore shaft device, steam turbine moving vane and steam turbine

Номер: CN0204716304U
Автор: XU KEPENG, WANG WUGANG, LIU HE, YANG JIAN, ZHU JIANHONG
Принадлежит:

The utility model discloses a fore shaft device, steam turbine moving vane and the steam turbine of turbine moving vane. The fore shaft device of this steam turbine moving vane includes intermediate junction piece and fore shaft profile of tooth round pin, fore shaft profile of tooth round pin is used for will through the flute profile structure fore shaft moving vane and the locking of intermediate junction piece are in on the rotor. Fore shaft profile of tooth round pin can cut open to two parts, connects respectively during the installation on intermediate junction piece and rotor, and the rotation was 90 degrees after the assembly was accomplished to dash and rivet with locking intermediate junction piece and fore shaft moving vane. The utility model discloses a processing of fore shaft device is simple and convenient, and the reliability is high, and the assembly and the change of handling ease and blade are applicable to round fore shaft of drum -type rotor structure circumference ...

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Номер записи: 8
11-05-2011 дата публикации

Asymmetric diaphragm static cascade and asymmetric blades in nozzle set for axial flow steam turbine

Номер: CN0102052095A
Автор: XINGZHONG XU, KEPENG XU, QING CHEN, BAOQING LI, SHENGLI WANG, YANFU SHI, CHUNFENG CHEN, JIANYING ZHANG, XU XINGZHONG, XU KEPENG, CHEN QING, LI BAOQING, WANG SHENGLI, SHI YANFU, CHEN CHUNFENG, ZHANG JIANYING
Принадлежит:

The invention discloses an asymmetric diaphragm static cascade and asymmetric blades in a nozzle set for an axial flow steam turbine, and relates to axial flow steam turbine technology. The diaphragm static cascade and the blades in the nozzle set have axially asymmetric and circumferentially nonuniform design; an inhomogeneous steam incoming flow direction is adapted by adjusting an angle of a stream admission section; and inhomogeneous air flow can be smoothly guided to enter a cascade channel, so that an attack angle loss of an inlet of the static cascade caused by the inhomogeneous incoming flow can be effectively reduced; the homogeneity of air flow distribution in the cascade and at an outlet of the cascade are improved; flow efficiency is improved; unsteady excitation force caused by air flow inhomogeneity can be reduced; and the safe reliability of the running of the steam turbine blades is improved. The structure of the invention is suitable for various stages with serious inhomogeneous ...

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Номер записи: 9