CN201860189U - Fixing structure of rotor magnet steel of permanent magnet generator - Google Patents
Fixing structure of rotor magnet steel of permanent magnet generator Download PDFInfo
- Publication number
- CN201860189U CN201860189U CN2010206339647U CN201020633964U CN201860189U CN 201860189 U CN201860189 U CN 201860189U CN 2010206339647 U CN2010206339647 U CN 2010206339647U CN 201020633964 U CN201020633964 U CN 201020633964U CN 201860189 U CN201860189 U CN 201860189U
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- magnet steel
- rotor
- steel
- iron core
- permanent
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- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model discloses a fixing structure of rotor magnet steel of a permanent magnet generator, and relates to the technical field of a permanent magnet motor. The fixing structure of rotor magnet steel of the permanent magnet generator comprises a plurality of rotor iron core plates which are fixed on a rotation shaft through square keys. Two adjacent iron core plates are separated by a stainless steel ventilation slot plate for forming radial ventilation grooves of the rotor. Two ends of the iron core of the rotation shaft are provided with stainless steel iron core pressure plates. An iron core punching sheet which is next to an outer circle of the iron core plate is provided with a plurality of magnet steel grooves. The shape of each magnet steel groove is matched with the shape of the magnet steel to be mounted. The magnet steel grooves are uniformly arranged on a circumference. The rotor structure of the utility model has the following advantages: extraordinarily simple structure, high speed and high convenience in mounting the magnet steel, high simplicity and high convenience in assembling the rotor, no requirement for an additional magnet steel fastener or other complicated fixing mode, capability for ensuring normal, reliable and safe operation of the rotor for a long time, and insurance for no loosening or slippage of the magnet steel.
Description
Technical field
The utility model relates to the magneto technical field, exactly relates to a kind of fixed structure of high-speed permanent magnetic wind power generator rotor magnet steel.
Background technology
Magneto is used widely in a lot of fields because of characteristics such as its power factor height, efficient height.At present, the magnet steel fit of magneto mainly is to be embedded in internal rotor or to be assemblied in two kinds of rotor surfaces.
Magneto generally is contained in magnet steel on the rotor, and its structural shape has:
Magnet steel is embedded-and rotor punching dashes the magnet steel groove, and magnet steel is contained in the groove.This version has been because of just fully having guaranteed the symmetry of magnet steel groove when punching is made, and then guaranteed the symmetry of motor magnetic circuit.
Bonding magnetic steel formula-magnet steel is bonded on the yoke with special bonding agent relies on technology to guarantee that magnet steel is evenly distributed, and the magnetic circuit symmetry is bonding firmly so that unlikely disengagement or close with the bolt handle it is fixed under bigger linear velocity.
And magnet steel is assemblied in required instrument complexity on the rotor surface, and need fixing parts more, and because under the centrifugal action, the magnet steel risk that comes off is bigger.
The utility model content
For solving the problems of the technologies described above, the utility model proposes a kind of fixed structure of rotor of permanent-magnetic power generator magnet steel, the utility model rotor structure is simple unusually, magnet steel is quick for installation, the rotor assembling is simple, convenient, do not need extra securing member or other complicated fixed forms, can guarantee that magnet steel can not become flexible and landing, guarantees the operation that motor is normal, reliable, safe for a long time.
The utility model is realized by adopting following technical proposals:
A kind of fixed structure of rotor of permanent-magnetic power generator magnet steel, it is characterized in that: comprise the rotor core dish, a plurality of cord discs are fixed in the rotating shaft by square key, separate with the stainless steel ventilation channel plate between adjacent two cord discs, form the rotor radial ventilation ducts, be provided with stainless steel rotor core pressing plate at the two ends of rotating shaft iron core, on the close iron-core lamination of cord disc cylindrical, have a plurality of magnet steel grooves, the shape of the shape of magnet steel groove and required assembling magnet steel is complementary, and the magnet steel groove evenly distributes on circumference.
Described magnet steel groove is six groups, equates with the number of poles of motor, and every group comprises three rectangle magnet steel grooves, and magnet steel groove and edge, magnet steel auxiliary section leave certain space.
Described key is a square key, has three keyways that mate with square key in the cooperation place of rotor core dish and rotating shaft, and keyway leaves on cord disc.
Described cord disc is formed by silicon steel plate stacking, the welding of several 0.5mm.
On stainless steel pressing plate unshakable in one's determination, cord disc and stainless steel ventilation channel plate, all be provided with corresponding a plurality of ventilation holes.
Compared with prior art, the beneficial effects of the utility model show:
1, because adopting, the utility model on the rotor core dish, having a plurality of magnet steel grooves, cord disc is fixed in the rotating shaft by square key, and separate by the stainless steel ventilation channel plate between adjacent two cord discs, played compress, the fixedly effect of magnet steel and ventilation, such motor rotor construction is simple unusually, and magnet steel is quick for installation, rotor is easy to assembly, do not need extra securing member and other complicated fixed forms, can guarantee long-term normal, the reliability service of rotor, guarantee that magnet steel can not become flexible, landing.
The utility model is particularly useful for fixing high-speed permanent magnetic generator amature magnet steel.
2, in the utility model, the magnet steel groove is six groups, equate with the number of poles of motor, every group comprises three rectangle magnet steel grooves, magnet steel groove and edge, magnet steel auxiliary section leave certain space, need through the VPI vacuum pressure impregnation after the rotor assembling finishes, and paint can fill up space between magnet steel and the groove punching, guarantee magnet steel fixation, reliable, not loosening.
3, in the utility model, key is a square key, has three keyways that mate with square key in the cooperation place of rotor core dish and rotating shaft, and keyway leaves on cord disc, and such version can guarantee that cord disc is securely fixed in the rotating shaft.
Description of drawings
The utility model is described in further detail below in conjunction with specification drawings and specific embodiments, wherein:
Fig. 1 is a structural representation of the present utility model
Fig. 2 is the structural representation of cord disc
Mark among the figure:
1 or 2, stainless steel ventilation channel plate, 3, magnet steel, 4, cord disc, 5, stainless steel pressing plate unshakable in one's determination, 6, the magnet steel groove, 7, the space.
Embodiment
Embodiment 1
The utility model discloses a kind of fixed structure of rotor of permanent-magnetic power generator magnet steel, comprise rotor core dish 4, a plurality of cord discs 4 are fixed in the rotating shaft by square key, separate with stainless steel ventilation channel plate 1 between adjacent two cord discs 4, be provided with stainless steel pressing plate 5 unshakable in one's determination at the two ends of rotor core,, have a plurality of magnet steel grooves 6 near in the punching of cord disc 4 outer rings, the shape of the shape of magnet steel groove 6 and required assembling magnet steel 3 is complementary, and a plurality of magnet steel groove 6 circumference evenly distribute.
Embodiment 2
As follows as preferred forms of the present utility model: described magnet steel groove 6 is six groups, and every group comprises three rectangle magnet steel grooves 6, and magnet steel groove 6 leaves space 7 with edge, magnet steel 3 auxiliary section.Described key is a square key, has three keyways that mate with square key in the junction of cord disc 4 and rotating shaft, and keyway leaves on rotor core dish 4.Described cord disc 4 by the silicon steel plate stacking of several 0.5mm, be welded.On stainless steel pressing plate 5 unshakable in one's determination, cord disc 4 and stainless steel ventilation channel plate 1, all be provided with corresponding a plurality of ventilation holes.All the other are with embodiment 1.
Embodiment 3
An embodiment of the present utility model is as follows: generator permanent magnet magnet steel 3 adopts the fit that embeds in the rotor core magnet steel holddown groove.Rotor core is sleeved on several cord discs 4 in the rotating shaft by square key then by the cord disc 4 that is welded into certain-length after the 0.5mm silicon steel plate stacking again, by the magnet steel erecting tools rotor magnetic steel 3 is embedded in the rotor core magnet steel holddown groove at last.Adjacent two rotor core dishes, 4 usefulness stainless steel ventilation channel plates 1 separate, and play simultaneously compress, the fixedly effect of magnet steel 3 and cooling airflow circulation passage, the rotor core two ends compress with stainless steel pressing plate 5 unshakable in one's determination, magnet steel 3 is a cuboid, there is space 7 at rotor core magnet steel groove 6 edges, need through the VPI vacuum pressure impregnation after the rotor assembling finishes, and paint can fill up space 7 between magnet steel 3 and the groove punching, guarantee magnet steel 3 fixations, reliable, not loosening.Adopt this magnet steel fixed form, motor rotor construction is simple unusually, and magnet steel 3 is quick for installation, the rotor assembling is simple, convenient, do not need extra securing member and other complicated fixed forms, can guarantee long-term normal, reliable, the safe operation of rotor, guarantee that magnet steel 3 can not become flexible, landing.
Claims (5)
1. the fixed structure of a rotor of permanent-magnetic power generator magnet steel, it is characterized in that: comprise cord disc (4), a plurality of cord discs (4) are fixed in the rotating shaft by square key, separate with stainless steel ventilation channel plate (1) between adjacent two cord discs (4), be provided with stainless steel pressing plate (5) unshakable in one's determination at the two ends of rotor core, in the close punching of cord disc (4) cylindrical, have a plurality of magnet steel grooves (6), the shape of the shape of magnet steel groove (6) and required assembling magnet steel (3) is complementary, and a plurality of magnet steel grooves (6) evenly distribute on circumference.
2. the fixed structure of rotor of permanent-magnetic power generator magnet steel according to claim 1, it is characterized in that: described magnet steel groove (6) is six groups, every group comprises three rectangle magnet steel grooves (6), and magnet steel groove (6) leaves space (7) with magnet steel (3) edge, auxiliary section.
3. the fixed structure of rotor of permanent-magnetic power generator magnet steel according to claim 1 and 2 is characterized in that: described key is a square key, has three keyways that mate with square key in the cooperation place of rotor core dish (4) and rotating shaft, and keyway leaves on cord disc (4).
4. the fixed structure of rotor of permanent-magnetic power generator magnet steel according to claim 1 is characterized in that: described cord disc (4) is formed by silicon steel plate stacking, the welding of 0.5mm.
5. the fixed structure of rotor of permanent-magnetic power generator magnet steel according to claim 1 is characterized in that: all be provided with corresponding a plurality of ventilation holes on stainless steel pressing plate (5) unshakable in one's determination, cord disc (4) and stainless steel ventilation channel plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206339647U CN201860189U (en) | 2010-11-30 | 2010-11-30 | Fixing structure of rotor magnet steel of permanent magnet generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206339647U CN201860189U (en) | 2010-11-30 | 2010-11-30 | Fixing structure of rotor magnet steel of permanent magnet generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201860189U true CN201860189U (en) | 2011-06-08 |
Family
ID=44105988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206339647U Expired - Lifetime CN201860189U (en) | 2010-11-30 | 2010-11-30 | Fixing structure of rotor magnet steel of permanent magnet generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201860189U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742913A (en) * | 2018-12-20 | 2019-05-10 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | A kind of permanent magnetism magnetic pole fixing means and rotor |
-
2010
- 2010-11-30 CN CN2010206339647U patent/CN201860189U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742913A (en) * | 2018-12-20 | 2019-05-10 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | A kind of permanent magnetism magnetic pole fixing means and rotor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110608 |