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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 23. Отображено 23.
25-04-2023 дата публикации

Planetary mechanism and high-power rocker arm compact tail end transmission mechanism of thin seam mining machine

Номер: CN116006659A
Принадлежит:

The invention relates to a planetary mechanism and a high-power rocker arm compact type tail end transmission mechanism of a thin seam mining machine, a planet carrier of the planetary mechanism comprises a planet carrier body which is of a revolving body structure, the axis of the planet carrier body extends front and back, and a sun wheel mounting cavity and a planet wheel mounting cavity which are located at the rear part and an oil cavity located at the front part are formed in the planet carrier body; the planet wheel installation cavity surrounds the sun wheel installation cavity and is communicated with the sun wheel installation cavity, a central through hole is formed in the partition wall between the oil cavity and the sun wheel installation cavity, the diameter of the oil cavity is not smaller than that of the sun wheel installation cavity, and a radial oil hole penetrating through the cavity wall is formed in the cavity wall of the oil cavity. The core of the tail end transmission ...

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28-04-2023 дата публикации

Inner cavity type planet carrier

Номер: CN116025695A
Принадлежит:

The invention relates to an inner cavity type planet carrier which comprises a planet carrier body of a revolving body structure, the revolving axis of the planet carrier body extends front and back, and a sun gear mounting cavity, a planet gear mounting cavity and an oil cavity are formed in the planet carrier body, the planet wheel installation cavity surrounds the sun wheel installation cavity and is communicated with the sun wheel installation cavity, a center through hole is formed in the partition wall between the oil cavity and the sun wheel installation cavity, the oil cavity is communicated with the sun wheel installation cavity through the center through hole, and the diameter of the oil cavity is not smaller than that of the sun wheel installation cavity. A radial oil hole penetrating through the cavity wall is formed in the cavity wall of the oil cavity, the outer cylindrical surface of the cavity wall of the oil cavity is divided by the radial oil hole, an outer spline is arranged ...

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18-04-2023 дата публикации

High-power thin seam coal mining machine with short machine body

Номер: CN115977626A
Принадлежит:

A rocker arm of the short-machine-body high-power thin seam mining machine comprises a rocker arm shell, a cutting motor and a cutting transmission system, the cutting motor and the cutting transmission system are mounted in the rocker arm shell, and the cutting transmission system comprises a first gear transmission mechanism, a second gear transmission mechanism, a third gear transmission mechanism and a planetary reduction mechanism which are in transmission connection in sequence. The first gear transmission mechanism, the second gear transmission mechanism, the third gear transmission mechanism and the planetary reduction mechanism are sequentially arranged from back to front, the cutting motor is located in a motor cylinder at the front end and arranged side by side with the planetary reduction mechanism in a left-right spaced mode, and the planetary reduction mechanism, the third gear transmission mechanism and the cutting motor are arranged to form a U shape. When the coal mining ...

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09-05-2023 дата публикации

Large bearing seat of planetary mechanism and mounting structure of large bearing seat

Номер: CN116085393A
Принадлежит:

The invention relates to a large bearing seat of a planetary mechanism and a mounting structure of the large bearing seat, the bearing seat belongs to disc parts, a bearing seat body is provided with a bearing hole of which the axis horizontally extends front and back, the rear end of the bearing hole is provided with a flange, and the middle part of the rear end of the bearing seat body is provided with a circular groove; a plurality of cavities distributed at intervals in the circumferential direction are formed in the bearing seat body, openings of the cavities are formed in the groove bottom of the groove and the groove wall close to the groove bottom, and the rear end face of the flange is located on the groove bottom; the bearing seat installation structure comprises a supporting bearing, a planet carrier, an inner gear ring, a bearing gland and the bearing seat, the bearing seat is coaxially fixed in front of the inner gear ring, the supporting bearing is installed between a bearing ...

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14-07-2023 дата публикации

Lug redundant lubrication system

Номер: CN116428488A
Принадлежит:

The invention provides a lug redundant lubrication system which comprises a first lug and a second lug which are located on a transition frame, each of the first lug and the second lug comprises a pin shaft and a shaft sleeve, the pin shafts are connected with a coal mining machine body, the shaft sleeves are located on the transition frame, radial grease channels and axial grease channels are formed in the shaft sleeves, the radial grease channels are communicated with the axial grease channels, and the axial grease channels are communicated with the shaft sleeves. Lubricating grease enters the surfaces of the shaft sleeve and the pin shaft and is lubricated through relative rotation of the pin shaft and the shaft sleeve.

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07-04-2023 дата публикации

Cooling system for high-power rocker arm of coal mining machine

Номер: CN115929300A
Принадлежит:

The high-power rocker arm cooling system comprises a rocker arm shell and a planetary mechanism, a high-speed section cutting transmission mechanism mounting cavity and a low-speed section cutting transmission mechanism mounting cavity which are communicated left and right are formed in the rocker arm shell, the high-speed section cutting transmission mechanism mounting cavity is close to the machine body connecting end and the coal wall side, a front lower cavity is formed below the high-speed section cutting transmission mechanism mounting cavity, and the high-speed section cutting transmission mechanism mounting cavity and the front lower cavity are communicated up and down; the axis of the planetary mechanism extends front and back to be installed on the coal wall side of the roller connecting end of the rocker arm shell, a planet carrier of the planetary mechanism comprises a planet carrier body, and a sun wheel installation cavity and a planet wheel installation cavity located on ...

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18-07-2023 дата публикации

Rapid tea powder cold extraction device

Номер: CN116439302A
Автор: HU JING, YU TING
Принадлежит:

The invention provides a rapid tea powder cold extraction device, and relates to the technical field of cold extraction, the rapid tea powder cold extraction device comprises a base and a main body, the main body is arranged on the base, the front side of the main body is movably provided with a sliding block through a guide groove, a mounting seat is arranged above the front side of the sliding block, and a frame is arranged below the front side of the sliding block; a moving seat is movably mounted at the top of the mounting seat through a rail groove, and a cold extraction accommodating part is arranged on the moving seat; a motor is arranged at one end of the bottom of the main body; tea powder and water are contained through a cold extraction containing part, a motor drives a swing arm to rotate, a first supporting arm rotates, the first supporting arm drives a second supporting arm to swing based on a supporting block as a supporting point, a third supporting arm swings, a movable ...

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09-05-2023 дата публикации

Coal mining machine rocker arm planetary mechanism abrasive particle cleaning device and mounting structure thereof

Номер: CN116078551A
Принадлежит:

The invention relates to a coal mining machine rocker arm planetary mechanism abrasive particle cleaning device and a mounting structure thereof.The abrasive particle cleaning device comprises an outer shell, an inner shell and a base which are coaxially arranged, the rear portion of the base is fixedly sleeved with a magnetic ring, the inner shell is located between the magnetic ring and the outer shell and is in shaft hole fit with the outer shell, and a gap is kept between the inner shell and the magnetic ring; the outer shell and the inner shell are respectively provided with an outer shell oil groove and an inner shell oil groove which are communicated internally and externally; the rotating base drives the inner shell to rotate, so that the abrasive particle cleaning device is switched between a working state and a maintenance state, the outer shell oil groove is communicated with the inner shell oil groove in the working state, and the outer shell oil groove is not communicated with ...

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18-04-2023 дата публикации

Coal mining machine rocker arm shell, forming method of coal mining machine rocker arm shell and coal mining machine rocker arm last-stage planetary mechanism mounting structure

Номер: CN115977627A
Принадлежит:

The invention relates to a coal mining machine rocker arm shell, a forming method thereof and a coal mining machine rocker arm last-stage planetary mechanism mounting structure, a tail end connecting structure of the shell comprises end face mounting grooves, and for last-stage planetary mechanisms of different specifications, the end face mounting grooves at least comprise two types of bilateral annular grooves and single-side annular grooves with only inner side groove walls; bolt holes are formed in the groove bottom surface at intervals, nut nests extending inwards in the radial direction are formed in the outer cylindrical surface of the tail end connecting structure at intervals in the circumferential direction, and each bolt hole is communicated with one nut nest; according to the forming method, a casting is obtained through casting of molds of the same specification, and various tail end connecting structures are enveloped on the corresponding portions of the casting. The mounting ...

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04-07-2023 дата публикации

Coal mining machine with narrow machine body

Номер: CN116378653A
Принадлежит:

A traction motor, a spline shaft and a first shaft assembly which are sequentially connected are installed in a traction part shell of the narrow-body coal mining machine, and the two ends of the spline shaft are inserted into a spline hole of an output shaft of the traction motor and a spline hole of a gear of the first shaft assembly respectively and are in spline fit with the corresponding spline holes. A first traction part hinge lug, a second traction part hinge lug and a third traction part hinge lug which are sequentially arranged at intervals are arranged on the traction part shell in the width direction, a wire passing groove extending in the length direction of the traction part shell is formed in the upper portion of the second traction part hinge lug, a groove opening of the wire passing groove faces upwards, a cover plate covers and is fixed to the groove opening, and a channel is defined by the wire passing groove and the cover plate. The two ends of the channel are communicated ...

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09-05-2023 дата публикации

Serialized rocker arm structure of coal mining machine

Номер: CN116084935A
Принадлежит:

The invention relates to a serialized rocker arm structure of a coal mining machine, which comprises a rocker arm shell, the rocker arm shell is provided with a planetary mechanism connecting end, the planetary mechanism connecting end comprises a convex spigot and a bearing seat mounting hole, the joint end face of the convex spigot is provided with at least three circles of threaded holes with different distribution circle diameters, and the bearing seat mounting hole is provided with a bearing seat mounting hole. The three circles of threaded holes are respectively distributed on three mutually coaxial distribution circles with large, medium and small diameters, bearing seats are tightly matched in the bearing seat mounting holes, the bearing seats are serialized parts, the thicknesses of the bearing seats with different specifications in the serialized parts are different, a fixed shaft transmission system is arranged in the rocker arm shell, and the fixed shaft transmission system ...

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21-07-2023 дата публикации

Stroke measurement hydraulic cylinder for coal mining machine

Номер: CN116464687A
Принадлежит:

The stroke measurement hydraulic cylinder comprises a cylinder barrel, a cylinder bottom, a piston, a piston rod and a magnetostrictive displacement sensor, the cylinder bottom is fixed to an opening in one end of the cylinder barrel and seals the opening in the corresponding end, the piston is fixed to the piston rod in a sleeving mode and is in sliding fit with the cylinder barrel in the cylinder barrel, and the piston rod is a hollow piston rod; the magnetostrictive displacement sensor comprises a sensing electronic head, a measuring rod and a position magnet, the sensing electronic head is installed in the cylinder bottom, the measuring rod and the position magnet are installed in the piston rod, the measuring rod stretches into a center hole of the piston rod and penetrates through a center hole of the position magnet at the same time, and the sensing electronic head is positioned in the axial groove through a positioning structure. The mining height monitoring device can adapt to ...

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11-04-2023 дата публикации

Connecting structure of coal mining machine rocker arm serialized final-stage planetary mechanism

Номер: CN115949402A
Принадлежит:

The invention relates to a connecting structure of a coal mining machine rocker arm serialized last-stage planetary mechanism, which comprises a last-stage planetary mechanism and a rocker arm shell, a planetary mechanism connecting end on the rocker arm shell comprises an outer convex spigot, and at least three circles of threaded holes with different distribution circle diameters are formed in a joint end face of the outer convex spigot; the three circles of threaded holes are distributed in three mutually coaxial distribution circles with the large diameter, the medium diameter and the small diameter respectively, an inwards-concave spigot is arranged at the rear end of the inner gear ring of the last-stage planetary mechanism, and the inner gear ring is positioned on the rocker arm shell through matching of the inwards-concave spigot and the outwards-convex spigot of the inner gear ring and fixed to the rocker arm shell by installing a bolt in one circle of threaded holes. A fixed shaft ...

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28-07-2023 дата публикации

Power input device of traction transmission system of narrow-body coal mining machine

Номер: CN116498666A
Принадлежит:

The invention relates to a narrow-body coal mining machine traction transmission system power input device which comprises a traction motor, a first shaft assembly of a reduction gearbox and a spline shaft. The two ends of the spline shaft are inserted into a spline hole of an output shaft of the traction motor and a spline hole of a gear of a first shaft assembly of the reduction gearbox respectively and are in spline fit with the corresponding spline holes, buffering pads are embedded between the two end faces of the spline shaft and the hole bottom faces of the corresponding spline holes, and grooves are formed in the two end faces of the spline shaft. The ends, close to the spline shaft, of the two buffering pads are embedded into the two grooves correspondingly, and radial limiting is achieved through the corresponding grooves. According to the invention, the occupation of the axial space in the traction part shell is reduced, so that the traction part can be matched with a small scraper ...

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14-04-2023 дата публикации

Abrasive particle early warning device and mounting structure thereof

Номер: CN115962273A
Принадлежит:

The invention relates to an abrasive particle early warning device and an installation structure thereof.The abrasive particle early warning device comprises an outer shell, an inner shell and a base which are coaxially arranged, the connecting end of an abrasive particle early warning sensor is installed on the core portion of the base, and a main body overhangs behind the base and in an inner hole of the inner shell; the outer shell and the inner shell are respectively provided with an outer shell oil groove and an inner shell oil groove which are communicated internally and externally; the rotating base drives the inner shell to rotate, so that the abrasive particle early warning device is switched between a working state and a maintenance state, in the working state, the outer shell oil groove is communicated with the inner shell oil groove, and in the maintenance state, the outer shell oil groove is not communicated with the inner shell oil groove; the abrasive particle early warning ...

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14-04-2023 дата публикации

High-power rocker arm of thin seam mining machine

Номер: CN115962258A
Принадлежит:

The high-power rocker arm comprises a rocker arm shell and a planetary mechanism, the planetary mechanism is installed on the coal wall side of the roller connecting end of the rocker arm shell, and a planet carrier of the planetary mechanism is an inner cavity type planet carrier. A sun gear installation cavity and a planet gear installation cavity which are located on the rear portion and an oil cavity located on the front portion are formed in the inner cavity type planet carrier, the diameter of the oil cavity is not smaller than that of the sun gear installation cavity, a radial oil hole penetrating through the cavity wall is formed in the cavity wall of the oil cavity, and a shaft neck is arranged on the rear portion of the radial oil hole. The outer diameter of a front bearing installed on the journal is 0.9 times larger than the diameter of the addendum circle of an inner gear ring of the planetary mechanism, and a barrel-shaped forced cooling device is arranged in the oil cavity ...

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12-05-2023 дата публикации

Automatic cable towing device hydraulically driven by emulsion

Номер: CN116101837A
Принадлежит:

The invention relates to an automatic cable towing device hydraulically driven by emulsion, and relates to the technical field of coal mine equipment, and the automatic cable towing device comprises a cable towing car which is slidably arranged on a cable trough and comprises a pulley, and a cable clamping plate bypasses the pulley; the hydraulic winch comprises a winding drum; one end of the steel wire rope is connected to the cable towing car, and the other end is wound on the winding drum; the hydraulic assembly is used for providing hydraulic oil for the hydraulic winch and comprises a hydraulic pump station shared with the mine hydraulic support; the hydraulic assembly comprises an oil inlet pipe connected between the hydraulic pump station and the hydraulic winch; the oil return pipe is connected between the hydraulic pump station and the hydraulic winch; the overflow pipe is connected between the oil inlet pipe and the oil return pipe, and an overflow valve is arranged on the overflow ...

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04-08-2023 дата публикации

Coal mining machine walking box assembly and combined type coal mining machine walking box series

Номер: CN116537778A
Принадлежит:

The invention relates to a coal mining machine walking box assembly and a combined coal mining machine walking box series, the coal mining machine walking box assembly comprises an upper shell, a lower shell and a transition frame, the upper shell and the lower shell are each of a box body structure with an inner cavity penetrating up and down, and a pair of shaft assembly mounting holes and a pair of two-shaft assembly mounting holes are formed in the front side wall and the rear side wall of the upper shell; the front side wall and the rear side wall of the lower shell are only provided with a pair of shaft assembly mounting holes or a pair of shaft assembly mounting holes and a pair of two-shaft assembly mounting holes; the coal mining machine walking box comprises a coal mining machine walking box with a high gear, a middle gear and a low gear; the coal mining machine walking box with the low gear height only adopts an upper shell, the coal mining machine walking box with the middle ...

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15-06-2016 дата публикации

Adopt interior spraying connecting device of aluminium machine cutting units

Номер: CN0205314998U
Принадлежит:

... 本实用新型揭示了一种采铝机截割部内喷雾连接装置,所述内喷雾连接装置包括:壳体、焊板组、固定机构、接头座、胶管、护板组、密封、连接件、端盖组;所述焊板组通过固定机构与壳体、端盖组紧固,设置于壳体的前沿下方并辅以壳体的端板、下板、斜板对其保护;所述焊板组通过接头座、密封、护板组、连接件将胶管的冷却水经焊板组自身水道与内喷雾连接。本实用新型提出的采铝机截割部的内喷雾连接装置,通过对采铝机截割部壳体前沿下方空间的利用,设置厚度较小的内喷雾连接装置同时又具有良好的保护及可拆装性,解决了采铝机截割部复杂的多路水道的布设问题,从而为实现铝土矿山机械化开采提供设备保障。 ...

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25-07-2023 дата публикации

Auxiliary supporting rod assembly and coal mining machine walking box hoisting method

Номер: CN116477478A
Принадлежит:

The invention relates to an auxiliary supporting rod assembly and a coal cutter walking box hoisting method, the supporting rod assembly comprises a supporting rod and a nut, the head end and the tail end of the supporting rod are each provided with an external thread section, the middle of the supporting rod is a polished rod section, and the external thread section at the tail end can be screwed with the nut; the hoisting method comprises the following steps: (1) enabling the traction part to be in a horizontal state, and hoisting the walking box to be close to the traction part; (2) enabling a supporting rod to respectively penetrate through U-shaped notches in the end surfaces of the left side and the right side of the walking box, screwing the head end of the supporting rod into a shell of the traction part, sleeving a chain on the supporting rod to hoist the walking box in a vertical state, screwing a nut at the tail end of the supporting rod, and hoisting the walking box to be close ...

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16-05-2023 дата публикации

Planetary mechanism with built-in cooling function

Номер: CN116123271A
Принадлежит:

The planetary mechanism comprises an inner cavity type planet carrier, the inner cavity type planet carrier comprises a planet carrier body which is of a rotary body structure, the axis of the planet carrier body extends front and back, and a sun wheel mounting cavity, a planet wheel mounting cavity and an oil cavity are formed in the planet carrier body, the planet wheel installation cavity surrounds the sun wheel installation cavity and is communicated with the sun wheel installation cavity, a central through hole is formed in the partition wall between the oil cavity and the sun wheel installation cavity, the diameter of the oil cavity is not smaller than that of the sun wheel installation cavity, a radial oil hole penetrating through the cavity wall is formed in the cavity wall of the oil cavity, and a forced cooling device is arranged in the oil cavity. The forced cooling device comprises a cooling seat, a cooling sleeve and a cooling medium runner pipe, the front portion of the cooling ...

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18-04-2023 дата публикации

Convenient dismounting device for sliding type valve group as well as mounting structure and use method of convenient dismounting device

Номер: CN115972150A
Принадлежит:

The invention relates to a convenient dismounting device for a sliding type valve group and a mounting structure and a using method thereof.The device comprises a supporting platform, a sliding table, two sets of hoisting bolts and nuts matched with the hoisting bolts in a one-to-one mode, the supporting platform is connected to the lower ends of the hoisting bolts, and two sliding grooves with notches opposite left and right are formed in the middle of the supporting platform; the left edge and the right edge of the sliding table are embedded into the left sliding groove and the right sliding groove respectively. The sliding table can move front and back relative to the sliding grooves under the front-back push-pull effect. The mounting structure comprises a valve group mounting plate and the device, and the device is hung below the valve group mounting plate. The using method comprises the steps that when the valve group needs to be disassembled, connection between the valve group and ...

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11-04-2023 дата публикации

Large oil cavity structure of rocker arm of coal mining machine

Номер: CN115949730A
Принадлежит:

The large oil cavity structure comprises a rocker arm shell and a planetary mechanism, a high-speed section cutting transmission mechanism mounting cavity and a low-speed section cutting transmission mechanism mounting cavity which are communicated left and right are formed in the rocker arm shell, the high-speed section cutting transmission mechanism mounting cavity is close to the machine body connecting end and the coal wall side, a front lower cavity is formed below the high-speed section cutting transmission mechanism mounting cavity, and the high-speed section cutting transmission mechanism mounting cavity and the front lower cavity are communicated up and down; the axis of the planetary mechanism extends front and back to be installed on the coal wall side of the roller connecting end of the rocker arm shell, a planet carrier of the planetary mechanism comprises a planet carrier body of a rotary body structure, and a sun wheel installation cavity, a planet wheel installation cavity ...

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