CN217935300U - Sealing device of permanent magnet synchronous generator - Google Patents
Sealing device of permanent magnet synchronous generator Download PDFInfo
- Publication number
- CN217935300U CN217935300U CN202221295235.4U CN202221295235U CN217935300U CN 217935300 U CN217935300 U CN 217935300U CN 202221295235 U CN202221295235 U CN 202221295235U CN 217935300 U CN217935300 U CN 217935300U
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- China
- Prior art keywords
- sealing ring
- pivot
- lower sealing
- upper seal
- permanent magnet
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- 238000007789 sealing Methods 0.000 title claims abstract description 65
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 24
- 238000009434 installation Methods 0.000 claims abstract description 4
- 238000009423 ventilation Methods 0.000 claims description 3
- 239000010687 lubricating oil Substances 0.000 abstract description 7
- 238000010030 laminating Methods 0.000 abstract description 3
- 230000005855 radiation Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model provides a permanent magnet synchronous generator sealing device relates to generator technical field, including organism and pivot, the rear side fixed mounting of organism has interior end plate, and the side of pivot is provided with the bearing, and the one end of pivot is provided with upper seal ring and lower sealing ring, and the connecting hole has been seted up to the side of upper seal ring and lower sealing ring, and the inside demountable installation of connecting hole has the round pin axle, and the middle part fixed mounting of upper seal ring and lower sealing ring has the spliced pole, and the side fixed mounting of interior end plate has the dead lever. The utility model discloses in when the pivot rotates, can drive the radiator fan who is connected rather than rotating, the pivot can drive the upper seal ring through the spliced pole and rotate with lower sealing ring simultaneously, because of the upper seal ring is located between radiator fan and the bearing with lower sealing ring, and the inboard of upper seal ring and lower sealing ring is connected with the side laminating of pivot, can be so that when radiator fan rotates, can not be with the inside lubricating oil suction of bearing.
Description
Technical Field
The utility model belongs to the technical field of the generator, more specifically says, in particular to synchronous generator sealing device of permanent magnetism.
Background
The permanent magnet synchronous generator has the advantages of simple structure, small size, high efficiency, high power factor and the like. Permanent magnet synchronous motors have gained performance in medium and low voltage motors in the metallurgical industry, ceramic industry, rubber industry, petroleum industry, textile industry and other industries, and gradually accumulate design and operation experience.
Based on the above, the present inventors found that the following problems exist: when the permanent magnet synchronous generator is used, most of the synchronous electric fans are arranged on the rear side to dissipate heat, but the structure is not provided with a sealing device, so that lubricating oil on the inner side of the bearing is easily sucked away by the fans, the use of the bearing is influenced, and the service life of the whole permanent magnet synchronous generator is shortened.
In view of the above, the present invention provides a sealing device for a permanent magnet synchronous generator, which is improved in view of the existing structure and defects, so as to achieve the purpose of having higher practical value.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a permanent magnet synchronous generator sealing device to solve present not having seal structure, the problem of siphoning away the inboard lubricating oil of bearing easily.
The utility model relates to a purpose and efficiency of permanent magnet synchronous generator sealing device is reached by following specific technological means:
the utility model provides a synchronous generator sealing device of permanent magnetism, includes organism and pivot, the rear side fixed mounting of organism has interior end plate, the side of pivot is provided with the bearing, the one end of pivot is provided with upper seal ring and lower sealing ring, the connecting hole has been seted up with the side of lower sealing ring to the upper seal ring, the inside demountable installation of connecting hole has the round pin axle, the middle part fixed mounting of upper seal ring and lower sealing ring has the spliced pole, the side fixed mounting of interior end plate has the dead lever, interior end plate passes through dead lever fixedly connected with heat-conducting plate.
Furthermore, the lower part of the connecting column is fixedly connected to the surface of the rotating shaft, and the upper sealing ring and the lower sealing ring are positioned on the side surface of the bearing.
Furthermore, a through hole is formed in the middle of the heat conducting plate, the upper sealing ring and the lower sealing ring are located on the inner side of the through hole, and a through groove is formed in the surface of the heat conducting plate.
Furthermore, a heat radiation fan is fixedly installed at one end of the rotating shaft, and the upper sealing ring and the lower sealing ring are located between the heat radiation fan and the bearing.
Furthermore, a rear end cover is fixedly mounted on the rear side of the machine body, and a ventilation opening is formed in the surface of the rear end cover.
Furthermore, the bearing is located on the inner side of the inner end plate, and the inner sides of the upper sealing ring and the lower sealing ring are connected with the side face of the rotating shaft in a fitting mode.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses in when the pivot rotates, can drive the radiator fan who is connected rather than rotating, the pivot can drive the upper seal ring through the spliced pole and rotate with lower sealing ring simultaneously, because of the upper seal ring is located between radiator fan and the bearing with lower sealing ring, and the inboard of upper seal ring and lower sealing ring is connected with the side laminating of pivot, can be so that when radiator fan rotates, can not be with the inside lubricating oil suction of bearing.
The utility model discloses in through interior end plate, with heat transfer to the dead lever on, then the dead lever with whole heat transfer to the heat-conducting plate on, radiator fan's rotation and the cooperation of vent can cool down to the heat-conducting plate.
Drawings
Fig. 1 is an overall exploded schematic view of the sealing device of the permanent magnet synchronous generator of the present invention.
Fig. 2 is an internal assembly schematic diagram of the sealing device of the permanent magnet synchronous generator of the present invention.
Fig. 3 is a schematic diagram of a rear side portion of the sealing device of the permanent magnet synchronous generator according to the present invention.
Fig. 4 is a schematic diagram of an inner side portion of the sealing device of the permanent magnet synchronous generator of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a body; 2. a rotating shaft; 3. a rear end shield; 4. an inner end plate; 5. a bearing; 6. an upper seal ring; 7. a lower seal ring; 8. connecting holes; 9. a pin shaft; 10. connecting columns; 11. a heat conducting plate; 12. a through hole; 13. a through groove; 14. a fixing rod; 15. a heat radiation fan; 16. an air vent.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, rather than to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 4:
the utility model provides a synchronous generator sealing device of permanent magnetism, including organism 1 and pivot 2, the rear side fixed mounting of organism 1 has interior end plate 4, the side of pivot 2 is provided with bearing 5, the one end of pivot 2 is provided with upper seal ring 6 and lower sealing ring 7, connecting hole 8 has been seted up with the side of lower sealing ring 7 to upper seal ring 6, the inside demountable installation of connecting hole 8 has round pin axle 9, upper seal ring 6 has spliced pole 10 with the middle part fixed mounting of lower sealing ring 7, the side fixed mounting of interior end plate 4 has dead lever 14, interior end plate 4 passes through dead lever 14 fixedly connected with heat-conducting plate 11.
Wherein, the lower part of the connecting column 10 is fixedly connected to the surface of the rotating shaft 2, and the upper sealing ring 6 and the lower sealing ring 7 are positioned on the side surface of the bearing 5.
Wherein, the middle part of the heat conducting plate 11 is provided with a through hole 12, the upper sealing ring 6 and the lower sealing ring 7 are positioned at the inner side of the through hole 12, and the surface of the heat conducting plate 11 is provided with a through groove 13.
Wherein, one end of the rotating shaft 2 is fixedly provided with a heat radiation fan 15, and the upper sealing ring 6 and the lower sealing ring 7 are positioned between the heat radiation fan 15 and the bearing 5.
Wherein, the rear side of the machine body 1 is fixedly provided with a rear end cover 3, and the surface of the rear end cover 3 is provided with a ventilation opening 16.
The bearing 5 is positioned on the inner side of the inner end plate 4, and the inner sides of the upper sealing ring 6 and the lower sealing ring 7 are in fit connection with the side surface of the rotating shaft 2.
The specific use mode and function of the embodiment are as follows:
the utility model discloses in, when pivot 2 rotates, can drive radiator fan 15 rather than being connected and rotate, pivot 2 can drive upper seal ring 6 and lower sealing ring 7 through spliced pole 10 and rotate simultaneously, because of upper seal ring 6 and lower sealing ring 7 are located between radiator fan 15 and the bearing 5, and the inboard of upper seal ring 6 and lower sealing ring 7 and the side laminating of pivot 2 are connected, can be so that radiator fan 15 when rotating, can not be with the inside lubricating oil suction of bearing 5, simultaneously through interior end plate 4, with heat transfer to on the dead lever 14, then dead lever 14 with whole heat transfer to on the heat-conducting plate 11, radiator fan 15's rotation and vent 16's cooperation, can cool down heat-conducting plate 11, this kind of sealing device makes radiator fan 15 can not influence the use of the inside lubricating oil of bearing 5 when carrying out the heat dissipation, the problem that radiator fan 15 siphoned away the inboard lubricating oil of bearing 5 easily has been solved.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (6)
1. The utility model provides a permanent magnet synchronous generator sealing device which characterized in that: including organism (1) and pivot (2), the rear side fixed mounting of organism (1) has interior terminal plate (4), the side of pivot (2) is provided with bearing (5), the one end of pivot (2) is provided with upper seal ring (6) and lower sealing ring (7), connecting hole (8) have been seted up to the side of upper seal ring (6) and lower sealing ring (7), the inside demountable installation of connecting hole (8) has round pin axle (9), the middle part fixed mounting of upper seal ring (6) and lower sealing ring (7) has spliced pole (10), the side fixed mounting of interior terminal plate (4) has dead lever (14), interior terminal plate (4) are through dead lever (14) fixedly connected with heat-conducting plate (11).
2. The sealing device for the permanent magnet synchronous generator according to claim 1, wherein: the lower part of the connecting column (10) is fixedly connected to the surface of the rotating shaft (2), and the upper sealing ring (6) and the lower sealing ring (7) are positioned on the side surface of the bearing (5).
3. The sealing device for a permanent magnet synchronous generator according to claim 1, wherein: through-hole (12) have been seted up at the middle part of heat-conducting plate (11), go up sealing ring (6) and lower sealing ring (7) and be located the inboard of through-hole (12), logical groove (13) have been seted up on the surface of heat-conducting plate (11).
4. The sealing device for the permanent magnet synchronous generator according to claim 1, wherein: one end fixed mounting of pivot (2) has radiator fan (15), upper seal ring (6) and lower sealing ring (7) are located between radiator fan (15) and bearing (5).
5. The sealing device for a permanent magnet synchronous generator according to claim 1, wherein: the rear side of the machine body (1) is fixedly provided with a rear end cover (3), and the surface of the rear end cover (3) is provided with a ventilation opening (16).
6. The sealing device for the permanent magnet synchronous generator according to claim 1, wherein: the bearing (5) is positioned on the inner side of the inner end plate (4), and the inner sides of the upper sealing ring (6) and the lower sealing ring (7) are attached to the side face of the rotating shaft (2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202221295235.4U CN217935300U (en) | 2022-05-27 | 2022-05-27 | Sealing device of permanent magnet synchronous generator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202221295235.4U CN217935300U (en) | 2022-05-27 | 2022-05-27 | Sealing device of permanent magnet synchronous generator |
Publications (1)
Publication Number | Publication Date |
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CN217935300U true CN217935300U (en) | 2022-11-29 |
Family
ID=84178458
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202221295235.4U Active CN217935300U (en) | 2022-05-27 | 2022-05-27 | Sealing device of permanent magnet synchronous generator |
Country Status (1)
Country | Link |
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CN (1) | CN217935300U (en) |
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2022
- 2022-05-27 CN CN202221295235.4U patent/CN217935300U/en active Active
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address |
Address after: 213000 Yinzhuang bridge section, Changxi Road, Yaoguan Town, Wujin District, Changzhou City, Jiangsu Province Patentee after: Changzhou Changhua Motor Co.,Ltd. Country or region after: China Address before: 213000 Yinzhuang bridge section, Changxi Road, Yaoguan Town, Wujin District, Changzhou City, Jiangsu Province Patentee before: CHANGZHOU CHANGHUA ELECTRICAL MOTOR Co.,Ltd. Country or region before: China |
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CP03 | Change of name, title or address |