CN202652012U - Motor rotating shaft with magnetic isolation lining - Google Patents
Motor rotating shaft with magnetic isolation lining Download PDFInfo
- Publication number
- CN202652012U CN202652012U CN 201220221744 CN201220221744U CN202652012U CN 202652012 U CN202652012 U CN 202652012U CN 201220221744 CN201220221744 CN 201220221744 CN 201220221744 U CN201220221744 U CN 201220221744U CN 202652012 U CN202652012 U CN 202652012U
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- magnetic lining
- magnetic
- rotor core
- lining
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a motor rotating shaft with a magnetic isolation lining, comprising a rotating shaft, wherein the rotating shaft is coaxially equipped with a rotor core, and a magnetic isolation lining layer made of non-magnetic material is arranged between the rotating shaft and the rotor core. The utility model provides a solution for the problems of eddy-current loss of rotating shafts and great shaft current of motors existing in the prior art.
Description
Technical field
The utility model belongs to the motor shaft technical field, is specifically related to a kind of band every the machine shaft of magnetic lining.
Background technology
When making motor, normally rotor core directly is sleeved on the machine shaft.The magnetic field of machine operation rotor rear of core can enter machine shaft, thereby can cause larger eddy current loss and shaft current in machine shaft inside, so not only can increase the loss of electric machine, and shaft current can produce infringement to bearing.
Summary of the invention
The purpose of this utility model provides a kind of band every the machine shaft of magnetic lining, has solved the rotating shaft eddy current loss and the large problem of motor shaft electric current that exist in the prior art.
The technical scheme that the utility model adopts is, a kind of band comprises rotating shaft every the machine shaft of magnetic lining, is coaxially installed with rotor core in the rotating shaft, it is characterized in that, be provided with between rotating shaft and the rotor core that non-magnet material makes every the magnetic lining.
Wherein, rotating shaft is the ladder cylinder, is the annular sleeve every the magnetic lining.
Further, rotating shaft and every between the magnetic lining and rotor core and between the magnetic lining, all assembling by hot cover process.
Perhaps, rotating shaft is the ladder cylinder, and periphery is evenly distributed with a plurality of gussets consistent with axial direction, is a plurality of and is the circular arc sheet structure every the quantity of magnetic lining, is fixed on successively the gusset top every the magnetic lining along circumference.
Further, be welded on the gusset top every the magnetic lining, rotor core and between the magnetic lining by the assembling of hot jacket or cold-press process.
The utility model band every the beneficial effect of the machine shaft of magnetic lining is: owing to being provided with between rotating shaft and rotor core every the magnetic lining, therefore, the magnetic flux that electric machine rotor iron core yoke section leaks in the rotating shaft can greatly reduce, also can greatly reducing than maelstrom loss and shaft current that rotating shaft causes.When design of electrical motor, the designer can design electric machine rotor iron core yoke section magnetic flux density higher, is conducive to reduce the consumption of electric machine iron core silicon steel sheet and motor winding magnetic wire like this.
Description of drawings
Fig. 1 is that the utility model band is every the first structural representation of the machine shaft of magnetic lining;
Fig. 2 is that the utility model band is every the second structural representation of the machine shaft of magnetic lining;
Wherein, 1. rotor core is 2. every magnetic lining, 3. rotating shaft.
Embodiment
Embodiment 1
As shown in Figure 1, the utility model band comprises the rotating shaft 3 of ladder cylindrical structure every the machine shaft of magnetic lining, is coaxially installed with rotor core 1 in the rotating shaft 3, be provided with between rotating shaft 3 and the rotor core 1 the annular tube-in-tube structure every magnetic lining 2.
Rotating shaft 3 and every between the magnetic lining 2 and rotor core 1 and between magnetic lining 2, all assembling by hot cover process.Concrete assembling process is: with heating furnace to heating every magnetic lining 2, then with rotating shaft 3 with every the 2 coaxial installations of magnetic lining, until after 2 coolings of magnetic lining, heating rotor core 1, then with rotor core 1 and the rotating shaft 3 coaxial installations that are equipped with every magnetic lining 2, after rotor core 1 cooling, and get final product.
Embodiment 2
As shown in Figure 2, the utility model band comprises rotating shaft 3 every the machine shaft of magnetic lining, is coaxially installed with rotor core 1 in the rotating shaft 3, is provided with every magnetic lining 2 between rotating shaft 3 and the rotor core 1.Be specially: rotating shaft 3 is the ladder cylindrical structure, and periphery is evenly distributed with a plurality of gussets consistent with axial direction.Quantity every magnetic lining 2 is a plurality of and is the circular arc sheet structure, is welded on successively the gusset top every magnetic lining 2 along circumference, rotor core 1 and between magnetic lining 2 by the assembling of hot jacket or cold-press process.
The concrete assembling process of the utility model is:
1, hot jacket method:
First will be every magnetic lining 2 successively along circumference soldering at the gusset top, with heating furnace rotor core 1 is heated, then will be welded with rotating shaft 3 and rotor core 1 coaxial installation every magnetic lining 2, after rotor core 1 cooling, and get final product.
2, cold-press method:
First will be every magnetic lining 2 successively along circumference soldering at the gusset top, then will be welded with rotating shaft 3 and rotor core 1 coaxial installation every magnetic lining 2 with pressure, and get final product.
The utility model arrange between rotor core 1 and rotating shaft 3 that the non-magnetizer material makes every magnetic lining 2, non-magnetizer generally can be selected the non-magnetic materials such as stainless steel, copper.Had every magnetic lining 2, the magnetic field that rotor yoke enters rotating shaft 3 during machine operation just can be reduced a lot.Because the eddy current loss in the rotating shaft 3 and shaft current size and the magnetic density size positive correlation that enters rotating shaft 3, so the eddy current loss of machine shaft 3 inside and shaft current can reduce a lot.
Usually when design of electrical motor, for eddy current loss and the shaft current that reduces rotating shaft 3, often take to reduce the method for the magnetic density of rotor yoke, can cause like this silicon steel sheet and copper conductor consumption to increase.And that the utility model can allow when design to improve the magnetic of rotor yoke is close, thereby greatly reduces silicon steel sheet and copper conductor consumption.
Claims (5)
1. a band is every the machine shaft of magnetic lining, comprise rotating shaft (3), be coaxially installed with rotor core (1) in the described rotating shaft (3), it is characterized in that, be provided with between described rotating shaft (3) and the rotor core (1) that non-magnet material makes every magnetic lining (2).
2. according to the machine shaft of band claimed in claim 1 every the magnetic lining, it is characterized in that, described rotating shaft (3) is the ladder cylinder, and described is the annular sleeve every magnetic lining (2).
3. according to the machine shaft of band claimed in claim 2 every the magnetic lining, it is characterized in that described rotating shaft (3) and every between the magnetic lining (2) and rotor core (1) and between magnetic lining (2), all assembling by hot cover process.
4. according to the machine shaft of band claimed in claim 1 every the magnetic lining, it is characterized in that, described rotating shaft (3) is the ladder cylinder, and periphery is evenly distributed with a plurality of gussets consistent with axial direction, described quantity every magnetic lining (2) is a plurality of and is the circular arc sheet structure, describedly is fixed on successively described gusset top every magnetic lining (2) along circumference.
5. according to the machine shaft of band claimed in claim 4 every the magnetic lining, it is characterized in that, describedly be welded on described gusset top every magnetic lining (2), described rotor core (1) and between magnetic lining (2) by hot jacket or cold-press process assembling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220221744 CN202652012U (en) | 2012-05-17 | 2012-05-17 | Motor rotating shaft with magnetic isolation lining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220221744 CN202652012U (en) | 2012-05-17 | 2012-05-17 | Motor rotating shaft with magnetic isolation lining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202652012U true CN202652012U (en) | 2013-01-02 |
Family
ID=47421052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220221744 Expired - Fee Related CN202652012U (en) | 2012-05-17 | 2012-05-17 | Motor rotating shaft with magnetic isolation lining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202652012U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104269948A (en) * | 2014-09-24 | 2015-01-07 | 宁波捷成轴业有限公司 | Magnetic isolation rotating shaft with low workload |
-
2012
- 2012-05-17 CN CN 201220221744 patent/CN202652012U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104269948A (en) * | 2014-09-24 | 2015-01-07 | 宁波捷成轴业有限公司 | Magnetic isolation rotating shaft with low workload |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105827027B (en) | Axial air-gap switched reluctance machines and preparation method thereof | |
| CN204741353U (en) | High -speed permanent -magnet machine rotor | |
| CN102069344A (en) | Variable-diameter bearing inner ring induction replacer | |
| CN102255474A (en) | Combined electromagnetic speed regulation system | |
| CN103200719B (en) | Double-rotor electromagnetic heating machine | |
| CN103812247B (en) | There is the high speed permanent magnet motor rotor of duplex sheath structure | |
| CN104795909A (en) | High-speed electric machine electromagnetism structure for air compressor | |
| CN104113173A (en) | Double-stator single-winding vernier permanent magnet motor | |
| CN104184234A (en) | Hybrid excitation double-air-gap claw pole motor | |
| CN203301265U (en) | Permanent magnet synchronous servo motor rotor structure | |
| CN103096552A (en) | Electromagnetic induction heating roll | |
| CN202652012U (en) | Motor rotating shaft with magnetic isolation lining | |
| CN105703494A (en) | High-power automobile starter and stator magnetic steel fixing method | |
| CN104795934B (en) | Water-cooling type permanent-magnetic energy-saving buncher | |
| CN203278577U (en) | Outer-stator wind-driven generator | |
| CN204652202U (en) | Permanent-magnetic energy-saving speed governing integrated electric motor | |
| CN105429426B (en) | A kind of magnetism-gathering magnetic mechanical couple | |
| CN203707911U (en) | Surface plug-in type high speed permanent magnet motor rotor | |
| CN203660689U (en) | Motor rotor | |
| CN209329795U (en) | Compound disc-type energy-saving motor stator core | |
| CN103580421A (en) | Permanent magnet synchronous motor with air-cooling heat-dissipating structure | |
| CN102055284A (en) | Hub motor with high-temperature warning function | |
| CN202663263U (en) | Permanent-magnet synchronous motor with air-cooling heat dissipation structure | |
| CN202387730U (en) | Heating coil used for electromagnetically heating hot roller | |
| CN202374144U (en) | Structure for protecting copper end ring of high-speed motor rotor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20140517 |