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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 14. Отображено 14.
26-12-2007 дата публикации

Technique for assembling magnet yoke of rotor in large and medium size mixed flow, axial flow hydroelectric machine

Номер: CN0101093950A
Автор: ZHAO ZUOQIN, BIAN HUIWEN, LI WEIHONG, ZHANG JUNXIN, ZUOQIN ZHAO, HUIWEN BIAN, WEIHONG LI, JUNXIN ZHANG
Принадлежит:

Technical steps for assembling magnet yoke of rotor include procedures: (1) placing studs for rotor bracket according to designed positions; magnet yoke keys are installed inside slots of magnet yoke keys which are setup on the studs; being adjusted and positioned, at least three studs are in use as rudimental reference for piling magnet yoke pieces; (2) piling magnet yoke pieces according to requirement of design by using three studs as reference in order to form rigid body of magnet yoke; in procedure for piling magnet yoke pieces, the invention adjusts positions of studs and yoke keys at any moment by using magnet yoke to be placed as reference; (3) driving fitting taper keys, welded studs, and shaped spider corresponding to magnet yoke keys. Using rigid body of magnet yoke as reference, the invention replaces excircle of rotor bracket and magnet yoke keys as reference for assembling. Using buildup dimension of magnet yoke of rotor modifies assembling and welding errors.

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Номер записи: 1
04-07-2012 дата публикации

Method for weaving welding of positioning rib supporting block of hydraulic generator stator V-shaped rib base

Номер: CN0101800457B
Автор: LI WEIHONG, LV WEILI, ZHANG JUNXIN, ZHAO ZUOQIN, WEIHONG LI, WEILI LV, JUNXIN ZHANG, ZUOQIN ZHAO
Принадлежит:

The invention relates to a method for weaving welding of a positioning rib supporting block of a hydraulic generator stator V-shaped rib base, which belongs to the technical field of generators. The method for the weaving welding of the positioning rib supporting block of the hydraulic generator stator V-shaped rib base welds the positioning rib supporting block on a hydraulic generator stator base through weaving welding, and is characterized by comprising the following steps of: on a basis of a stator pectinate plate, using a basic circle on the pectinate plate to find out the semidiameter and the chord distance of a measured rib, and performing the weaving welding on the positioning rib supporting block based on the measured rib; and adopting a fixed mount welded on a V-shaped rib through spot welding, and using bolts on the fixed mount and the bolts on the measured rib to adjust the measured rib in four directions so as to realize the weaving welding connection of the positioning rib ...

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Номер записи: 2
03-08-2011 дата публикации

Device for measuring rotor bracket of hydrogenerator oblique stud support arm structure

Номер: CN0102141363A
Автор: ZUOQIN ZHAO, ZHAO ZUOQIN
Принадлежит:

The invention relates to a device for measuring a rotor bracket of a hydrogenerator oblique stud support arm structure. The invention belongs to the technical field of hydrogenerators. The device for measuring the rotor bracket of the hydrogenerator oblique stud support arm structure has the characteristics that: the device for measuring the rotor bracket comprises a basic annular plate, a wide yoke rim sheet, and a laminated inspection pin; the height-adjustable basic annular plate is arranged on the external circle bottom of a stud of the rotor bracket; the basic annular plate is provided with the laminated inspection pin to laminate the wide yoke rim sheet into a full circle yoke ring; and an equally-dividing positioning frame is embedded in an internal circle yoke key groove of the laminated full circle yoke ring. The invention has the advantages of simple structure, convenient operation, safe use, reliable performance, precise detection and the like; the requirement of rotor assembling ...

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Номер записи: 3
11-08-2010 дата публикации

Method for weaving welding of positioning rib supporting block of hydraulic generator stator V-shaped rib base

Номер: CN0101800457A
Автор: WEIHONG LI, WEILI LU, JUNXIN ZHANG, ZUOQIN ZHAO, LI WEIHONG, LU WEILI, ZHANG JUNXIN, ZHAO ZUOQIN
Принадлежит:

The invention relates to a method for weaving welding of a positioning rib supporting block of a hydraulic generator stator V-shaped rib base, which belongs to the technical field of generators. The method for the weaving welding of the positioning rib supporting block of the hydraulic generator stator V-shaped rib base welds the positioning rib supporting block on a hydraulic generator stator base through weaving welding, and is characterized by comprising the following steps of: on a basis of a stator pectinate plate, using a basic circle on the pectinate plate to find out the semidiameter and the chord distance of a measured rib, and performing the weaving welding on the positioning rib supporting block based on the measured rib; and adopting a fixed mount welded on a V-shaped rib through spot welding, and using bolts on the fixed mount and the bolts on the measured rib to adjust the measured rib in four directions so as to realize the weaving welding connection of the positioning rib ...

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Номер записи: 4
10-09-2008 дата публикации

Welding technology for large and middle-scale synchronous generator stator bar connection wire

Номер: CN0101262154A
Автор: ZHAO ZUOQIN, ZHANG JUNXIN, ZUOQIN ZHAO, JUNXIN ZHANG
Принадлежит:

The invention relates to a connecting coil welding technique for a stator bar of a large or middle synchronous generator, the technique is characterized in that: the technique comprises the following steps: 1. upper joints of coil bars are welded: (1) the splint of a clamping device is stretched into a part where a lower layer coil is connected with a connecting plate, the splint is stressed, water and power are put through and the connecting plate and the lower layer coil are welded; (2) the splint of the clamping device is backed to the part where an upper layer coil is connected with the connecting plate, the splint is stressed, water and power are put through and the connecting plate and the upper layer coil are welded; (3) connecting coils of all coil slots and interelectrode connecting coils are welded according to the steps (1) and (2) in sequence; 2. lower joints of coil bars are welded according to the step (1). The technique provided by the invention can extend design range of ...

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Номер записи: 5
08-12-2010 дата публикации

Press mounting method for generator stator core stretching screw

Номер: CN0101908797A
Автор: ZUOQIN ZHAO, WEIHONG LI, JUNXIN ZHANG, XIN LU, ZHAO ZUOQIN, LI WEIHONG, ZHANG JUNXIN, LU XIN
Принадлежит:

The invention relates to a press mounting method for a generator stator core stretching screw. The invention belongs to the technical field of hydraulic generators. The generator stator core laminations are pressed together by a stretching screw. The method comprises the following steps: (1) test press mounting of stretching screw: measuring the actual length of the stretching screw without pressurizing, carrying out test press on the stretching screw by using a stretching screw measuring sleeve, measuring the elongation of the stretching screw while pressurizing, and recording the pressure reference value; and (2) stretching quantity measurement and press mounting of stretching screw: measuring the initial distance between the lower end surface of the stretching screw and the upper plane of the lower measuring rib by using a stretching screw measuring tool, recording while prepressing and totally pressing, measuring the distance between the lower end surface of the stretching screw and ...

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Номер записи: 6
10-09-2008 дата публикации

Coating insulation material technology for large and middle-scale water electromotor unit stator loop

Номер: CN0101262155A
Автор: ZHAO ZUOQIN, ZHANG JUNXIN, YUAN ZHEGUANG, LI WEIHONG, ZUOQIN ZHAO, JUNXIN ZHANG, ZHEGUANG YUAN, WEIHONG LI
Принадлежит:

The invention relates to an insulating material technique for coating stator coils of a large and middle hydroelectric generating set, which is characterized in that: low resistance all solid state fiberglass belts are applied to wind all coil parts of coils according to coating thickness required by all parts. The technique ensures that the ventilation condition of stator windings of large and middle mixed flow, axial flow hydroelectric generating sets are superior and slot gaps are more reasonable and the operation temperature, the slot potential and other technical requirements of the stator are met more scientifically. The insulating material technique eliminate disadvantages of uneven stator coils and slot gaps, coil loosening and sinking, temperature rise and short operation life, etc. in the traditional technique, the technique of the invention is suitable for low resistance insulating material coating for inserted stator coils of large and middle mixed flow, axial flow hydroelectric ...

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Номер записи: 7
16-06-2010 дата публикации

Welding technology for large and middle-scale synchronous generator stator bar connection wire

Номер: CN0101262154B
Автор: ZHAO ZUOQIN, ZHANG JUNXIN, ZUOQIN ZHAO, JUNXIN ZHANG
Принадлежит:

The invention relates to a connecting coil welding technique for a stator bar of a large or middle synchronous generator, the technique is characterized in that: the technique comprises the followingsteps: 1. upper joints of coil bars are welded: (1) the splint of a clamping device is stretched into a part where a lower layer coil is connected with a connecting plate, the splint is stressed, water and power are put through and the connecting plate and the lower layer coil are welded; (2) the splint of the clamping device is backed to the part where an upper layer coil is connected with the connecting plate, the splint is stressed, water and power are put through and the connecting plate and the upper layer coil are welded; (3) connecting coils of all coil slots and interelectrode connecting coils are welded according to the steps (1) and (2) in sequence; 2. lower joints of coil bars are welded according to the step (1). The technique provided by the invention can extend design range of ...

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Номер записи: 8
18-05-2011 дата публикации

Grinding device of upper guide bearing bushing and lower guide bearing bushing of hydroelectric unit generator

Номер: CN0102059643A
Автор: JIANG SUN, ZUOQIN ZHAO, WEIHONG LI, SUN JIANG, ZHAO ZUOQIN, LI WEIHONG
Принадлежит:

The invention relates to a grinding device of an upper guide bearing bushing and a lower guide bearing bushing of a hydroelectric unit generator, belonging to the technical field of hydraulic generators. The grinding device of the upper guide bearing bushing and the lower guide bearing bushing of the hydroelectric unit generator is characterized in that the grinding device is in a fan-shaped and semi-box-type structure and is provided with a circular steel plate with the radian of 40-60 degrees, and wedge-shaped chamfers are formed at both ends of the circular plate which is provided with a former at the inner side. The invention has the advantages of simple structure, smaller size, light weight, cost saving, good safety, short mounting period, high production efficiency, high grinding quality of the guide bearing bushing, and the like.

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Номер записи: 9
28-04-2010 дата публикации

Pole core press mounting device of generator rotor of hydro-power generating unit

Номер: CN0101699725A
Автор: Zhao Zuoqin, Zhang Junxin, Tian Hongshan
Принадлежит:

The invention relates to a pole core press mounting device of a generator rotor of a hydro-power generating unit, belonging to the technical field of generators. The invention is characterized in that the press mounting device is provided with a support, stretching cylinders and a hydraulic transmission system, wherein the stretching cylinders are arranged at two sides of a pole core on the support, and the hydraulic transmission system is a hydraulic transmission mechanism and mechanical transmission mechanism in which the two stretching cylinders move synchronously. The invention ensures that the pole core is press mounted, laminated and penetrated in a stretching screw, satisfies the pole core press mounting requirements of a rotor of a large or medium-sized hydro-power generating unit, has high compactness and flatness requirements of the pole core, ensures the pole core assembling quality of the large or medium-sized hydro-power generating unit and improves the production and processing ...

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Номер записи: 10
30-06-2010 дата публикации

Method for filling adjustment sheet in pole core of generator rotor of hydroelectric generating set

Номер: CN0101764474A
Автор: ZHAO ZUOQIN, ZUOQIN ZHAO
Принадлежит:

The invention relates to a method for filling adjustment sheets in the pole core of the generator rotor of a hydroelectric generating set, belonging to the technical field of generators. The method for filling the adjustment sheets in the pole core of the generator rotor of the hydroelectric generating set is characterized in that pole laminations are tightly pressed before the pole core is penetrated through a tie bolt, the pole core is penetrated through the tie bolt after the adjustment sheets are filled, and finally the pole core is tightly pressed and assembled. The invention has the advantages that the requirements on the assembling and the pressing of the pole core of the rotor of large and medium hydroelectric generating sets, the tightness and the flatness of the pole core are high, the assembling quality of the pole core of the large and medium hydroelectric generating sets is ensured and the production efficiency is improved.

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Номер записи: 11
30-06-2010 дата публикации

Method for laminating pole core of generator rotor of hydroelectric generating set before pre-pressing

Номер: CN0101764473A
Автор: ZHAO ZUOQIN, ZUOQIN ZHAO
Принадлежит:

The invention relates to a method for laminating the pole core of the generator rotor of a hydroelectric generating set before pre-pressing, belonging to the technical field of generators. The method for laminating the pole core of the generator rotor of the hydroelectric generating set before pre-pressing is that adjustment sheets are filled in the pole core, and is characterized in that: 1) a horizontal placing rack is adopted, and two parallel ribs are arranged at the upper part of the placing rack and are used to support the lower end surfaces of the pole shoes of pole laminations to enable the pole laminations to be tidy and uniform; 2) the pre-laminated pole laminations are tightly pressed, and the deviations of the dimension and the form of all parts from the required dimension and the required form are measured; 3) the adjustment sheets are added among the pole laminations pre-laminated on the placing rack; and 4) the pole core is assembled and pressed after the pole core is penetrated ...

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Номер записи: 12
19-01-2011 дата публикации

Elongation measurement tool for stator iron core tension screw of hydraulic turbine generator

Номер: CN0101949673A
Автор: ZUOQIN ZHAO, WEIHONG LI, SHANGBIN LIU, ZHAO ZUOQIN, LI WEIHONG, LIU SHANGBIN
Принадлежит:

The invention relates to an elongation measurement tool for a stator iron core tension screw of hydraulic turbine generator, belonging to the technical field of hydraulic turbine generator and characterized in that: the elongation measurement tool for the tension screw is composed of a brace, an upper measurement rib, a lower measurement rib and a measurement dial indicator, wherein the brace is equipped with the upper and lower measurement ribs, and the lower measurement rib is provided with the measurement dial indicator. The elongation measurement tool according to the invention has the advantages of simple structure, convenient operation, low cost, good practicability, saving time and labor, accurate and reliable data, high press-mounting accuracy of iron core, good press-mounting effect, etc.

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Номер записи: 13
16-02-2011 дата публикации

Mechanical part intermittent excircle surface rough honing wheel device

Номер: CN0101972976A
Автор: JIANG SUN, ZUOQIN ZHAO, WEIHONG LI, DEFU MAN, SUN JIANG, ZHAO ZUOQIN, LI WEIHONG, MAN DEFU
Принадлежит:

The invention relates to a mechanical part intermittent excircle surface rough honing wheel device belonging to the technical field of mechanical manufacturing. The mechanical part intermittent excircle surface rough honing wheel device comprises a honing wheel stand and a grinding wheel, wherein the honing wheel stand is provided with the grinding wheel. The device is characterized in that the honing wheel is provided with an adjusting device for the pressure adjustment of the honing wheel; the adjusting device comprises a fixing plate additionally arranged on the honing wheel stand; one end of the fixing plate is fixed with the upper end surface of the honing wheel stand, and the other end of the fixing plate is fixed with an adjusting bolt; the adjusting bolt and the crankshaft of the honing wheel are fixed together so that the honing wheel can move along the movement locus at the circular arc intermittent position of a part, and the honing wheel is ensured to carry out circumferential ...

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Номер записи: 14