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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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Форма поиска

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 7. Отображено 7.
19-11-2014 дата публикации

Internal supporting and external hooping non-fixing-and-spot-welding girth welder applicable to one-side welding with back formation

Номер: CN104148868A
Принадлежит:

The invention relates to a welding tool, in particular to an internal supporting and external hooping non-fixing-and-spot-welding girth welder applicable to one-side welding with back formation. The internal supporting and external hooping non-fixing-and-spot-welding girth welder comprises a base platform; an assembly base capable of rotating around a support point is mounted over the base platform. A fixed rotating block is mounted at the right end of the upper surface of the assembly base. The fixed rotating block is connected with an inner supporting device and a first clamping mechanism. A first drive motor is mounted at the upper end of the fixed rotating block. The internal supporting and external hooping non-fixing-and-spot-welding girth welder has the advantages that three or more rotors can be welded with the welder, one-side girth welding with back formation is adopted, no fixing and spot welding process is not preliminarily required during girth welding, welding efficiency is ...

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14-07-2023 дата публикации

Device for rail web rust removal before I-shaped rail welding

Номер: CN116423362A
Принадлежит:

The invention belongs to the technical field of railway engineering mechanical equipment manufacturing, and particularly relates to a device for rail web rust removal before I-shaped rail welding, which comprises a rust removal rack, a grinding wheel transmission mechanism, a grinding wheel adjusting mechanism, a steel rail sliding mechanism and a hand-held adjusting rod are arranged on the rust removal rack, and the grinding wheel transmission mechanism is connected with the grinding wheel adjusting mechanism. The steel rail sliding mechanism is in contact with the handheld adjusting rod; the grinding wheel transmission mechanism is used for driving the grinding wheels to rotate, the grinding wheel adjusting mechanism is used for adjusting the distance between the grinding wheels, and the steel rail sliding mechanism drives the whole structure to slide on the steel rail. The grinding wheels on the two sides are simultaneously driven by the single motor, the weight is light, and two persons ...

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21-07-2023 дата публикации

Highway-railway dual-purpose steel rail double-frequency correction train

Номер: CN116461260A
Принадлежит:

The invention relates to the technical field of highway-railway dual-purpose transportation equipment, in particular to a highway-railway dual-purpose steel rail double-frequency electric normalizing train which comprises a vehicle body, and a tool container and movable steel rail pressure maintaining double-frequency electric normalizing equipment are borne on the vehicle body; the vehicle body comprises a truck chassis assembly, the truck chassis assembly is connected with a bearing frame and a hydraulic pump station, the front end and the rear end of the truck chassis assembly are each provided with a telescopic hydraulic supporting leg mechanism, and the bearing frame is connected with a wheel rail operation lifting mechanism. The device is suitable for post-welding pressure-maintaining double-frequency electric normalizing heat treatment operation of steel rail joints in seamless tracks and urban rail transit. And the equipment and the tool box are integrally mounted on the highway-railway ...

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15-08-2023 дата публикации

Device for on-site thermal straightening after normalizing of trough rail

Номер: CN116586464A
Принадлежит:

The invention belongs to the technical field of railway engineering mechanical equipment manufacturing, and particularly relates to a device for on-site hot straightening of a grooved rail after normalizing, which comprises a grooved rail straightening rack, a rack supporting rod mechanism, a grooved rail connecting rod mechanism, a manual hydraulic jack and a ruler, the rack supporting rod mechanism is connected with the grooved rail straightening rack, and the rack supporting rod mechanism is connected with the grooved rail connecting rod mechanism. Groove-shaped rail connecting rod mechanisms are arranged at the two ends of the groove-shaped rail straightening machine frame, the manual hydraulic jack is placed below the groove-shaped rail straightening machine frame, and the ruler is placed beside a groove-shaped rail. The device is simple in structure and light in weight, the straightening machine frame is about 40 KG, and the carrying strength is not high for site construction. The ...

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05-11-2014 дата публикации

Longitudinal seam welding machine suitable for thin-wall small-diameter suspended single-face welding and double-face forming

Номер: CN104128736A
Принадлежит:

The invention relates to welding equipment, in particular to a longitudinal seam welding machine suitable for thin-wall small-diameter suspended single-face welding and double-face forming. The longitudinal seam welding machine comprises a rack. The rack is provided with a work-piece locating device, folding and pressing devices, a central spindle supporting device, a central spindle device, a centering device and a walking gantry welding device. The first folding and pressing device and the second folding and pressing device are located on a sliding rail and connected with a horizontal air cylinder. The central spindle device is located above the locating device. According to the technical scheme, acting force is exerted on a longitudinal seam of a rolling pipe from left and right, under the effect of the misalignment-preventing centering device, seam alignment of a work-piece can be finished without manual adjustment, the straightness of butt seams can be ensured, and the phenomena that ...

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08-08-2023 дата публикации

Suspension type steel rail flash welding and induction heat treatment all-in-one machine

Номер: CN116551137A
Принадлежит:

The invention belongs to the technical field of railway engineering mechanical equipment manufacturing, and particularly relates to a suspension type steel rail flash welding and induction heat treatment all-in-one machine. Comprising welding equipment and an induction heat treatment machine, the welding equipment comprises a static frame clamping mechanism and a movable frame clamping mechanism, a center shaft A of the movable frame clamping mechanism is disconnected from a center shaft B of the static frame clamping mechanism, and the induction heat treatment machine is arranged between the movable frame clamping mechanism and the static frame clamping mechanism; a heat treatment normalizing coil of the induction heat treatment machine is located at the lower end of the static frame clamping mechanism and the lower end of the movable frame clamping mechanism and wraps the circumference of the steel rail to be welded. The device is suitable for on-site steel rail welding, and the two operation ...

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01-08-2023 дата публикации

Narrow clamping seat rail welding machine

Номер: CN116511673A
Принадлежит:

The invention belongs to the technical field of railway engineering mechanical equipment manufacturing, and particularly relates to a narrow clamping seat rail welding machine capable of meeting turnout joint welding, which comprises a static end clamping mechanism, a movable end clamping mechanism, a central shaft upsetting structure, a pressure maintaining and overlap pushing mechanism and a welding secondary loop system, the static end clamping mechanism and the movable end clamping mechanism are located at the two ends and connected in a penetrating mode through a center shaft upsetting structure, opening and closing actions of the static end clamping mechanism and the movable end clamping mechanism are synchronous, and a pressure maintaining and overlap pushing mechanism is arranged in the middle of the static end clamping mechanism and located above a clamping steel rail. The welding secondary loop system is arranged on the movable end clamping mechanism; and clamp narrow clamping ...

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