CN205051468U - High speed motor rotor structure - Google Patents
High speed motor rotor structure Download PDFInfo
- Publication number
- CN205051468U CN205051468U CN201520834960.8U CN201520834960U CN205051468U CN 205051468 U CN205051468 U CN 205051468U CN 201520834960 U CN201520834960 U CN 201520834960U CN 205051468 U CN205051468 U CN 205051468U
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- rotor
- coolant
- bearing
- rotating shaft
- pivot
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- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model discloses a high speed motor rotor structure, including first and second bearings, hollow rotor, first and second bearings are located respectively at hollow rotor both ends, and hollow rotor includes the pivot, and the structure still includes: lie in the first passageway that the pivot axle center supplied cooling medium flow to lead to, first passageway is provided with the first medium of cooling and flows into an end and a cooling medium flow output, and a cooling medium flow incoming end is close to first bearing and communicates with each other with first passageway, and a cooling medium flow output is the communicating through -hole in surface from the axle center to the pivot, and a cooling medium flow output is close to the second bearing. The adoption sets up the passageway that supplies cooling medium flow to lead to in the axle center of pivot, sets up the through -hole on surface from the axle center to the pivot at medium outflow end, when the rotor at high -speed rotatory in -process rotatory and produce centrifugal force because the pivot is high -speed, make coolant discharge through the through -hole on pivot surface, take away the pivot at the rotatory heat that produces, the speed of improvement pivot to can improve motor life.
Description
Technical field
The utility model relates to machine field, particularly a kind of high speed rotor of motor structure.
Background technology
The difficult point of high-speed engine development is a lot, specifically has:
One is that rotor structure difficulty is large, and rotor permanent magnet bears heavily stressed, structural strength and rigidity requirement high;
Two is that rotor High Rotation Speed output voltage frequency is high, motor high-frequency loss and heat dissipation design difficulty;
Three is the design of motor high-speed bearing and environmental suitability etc.
Rotor or rotating shaft are under High Rotation Speed, and owing to can produce more heat by stator field and self rotation, heat dissipation problem becomes the major reason improving rotor or rotating shaft speed.
Utility model content
The utility model provides a kind of high speed rotor of motor structure, arrange from axle center to the hole on rotating shaft surface at medium outflow end, when rotor is in high-speed rotation, because rotating shaft high-speed rotary transfers to produce centrifugal force, coolant is discharged by the hole on rotating shaft surface, take away the heat that rotating shaft produces under High Rotation Speed, improve the rotary speed of rotating shaft, and machine shaft useful life can be improved.
A kind of high speed rotor of motor structure that the utility model provides, comprise clutch shaft bearing, second bearing, sleeve rotor, described clutch shaft bearing and the second bearing lay respectively at the two ends of described sleeve rotor, described sleeve rotor comprises rotating shaft, this structure also comprises: the first passage of axle center for coolant circulation being positioned at described rotating shaft, described first passage is provided with the first coolant and flows into end and the first coolant outflow end, described first coolant flows into the close described clutch shaft bearing of end and communicates with described first passage, described first coolant outflow end is the through hole that surface communicates from the axle center of described rotating shaft to rotating shaft, described first coolant outflow end is near the second bearing.
Further, this structure also comprises: on described sleeve rotor and near described second bearing whirligig, around the stator of described sleeve rotor, the second channel between described stator and described sleeve rotor, described second channel is provided with the second coolant and flows into end and the second coolant outflow end, described second coolant flows into end near described clutch shaft bearing and communicating with described second channel, and described second coolant outflow end is near described whirligig and communicate with described second channel.
Further, this structure also comprises the permanent magnet be positioned on described sleeve rotor, and described permanent magnet is neodymium iron boron.
Further, described permanent magnet is integral type structure.
Further, described permanent magnet is split blade type structure.
Further, described through hole is multiple, is sequentially arranged in the outer surface of described rotating shaft.
Further, described clutch shaft bearing and the second bearing are electromagnetic bearing or air bearing.
The utility model beneficial effect is as follows: arrange from axle center to the hole on rotating shaft surface at medium outflow end, when rotor is in high-speed rotation, because rotating shaft high-speed rotary transfers to produce centrifugal force, coolant is discharged by the through hole on rotating shaft surface, take away the heat that rotating shaft produces under High Rotation Speed, improve the rotary speed of rotating shaft, and machine shaft useful life can be improved.
Accompanying drawing explanation
The structural representation of a kind of high speed rotor of motor structure that Fig. 1 provides for the utility model patent Example;
The structural representation of the integral type permanent magnet that Fig. 2 provides for the utility model patent Example;
The structural representation of the split blade type permanent magnet that Fig. 3 provides for the utility model patent Example;
The structural representation of the second coolant output that Fig. 4 provides for the utility model patent Example.
Wherein 1-clutch shaft bearing, 2-second bearing, 3-sleeve rotor, 4-whirligig, 5-first passage, 6-first coolant flows into end, 7-first coolant outflow end, 8-stator, 9-permanent magnet, 10-radome, 11-second coolant flows into end, 12-second channel, 13-second coolant outflow end, 14-rotating shaft.
Embodiment
Below in conjunction with Figure of description, the utility model embodiment is described in further detail.
See Fig. 1, a kind of high speed rotor of motor structure, comprise clutch shaft bearing 1, second bearing 2, sleeve rotor 3, described clutch shaft bearing 1 and the second bearing 2 lay respectively at the two ends of described sleeve rotor 3, described sleeve rotor 3 comprises rotating shaft 14, this structure also comprises: the first passage 5 of axle center for coolant circulation being positioned at described rotating shaft 14, described first passage 5 is provided with the first coolant and flows into end 6 and the first coolant outflow end 7, described first coolant flows into end 6 and to communicate with described first passage 5 near described clutch shaft bearing 1, described first coolant outflow end 7 is the hole communicated to rotating shaft 14 surface from the axle center of described rotating shaft 14, described first coolant outflow end 7 is near the second bearing 2.When motor High Rotation Speed, drive sleeve rotor 3 High Rotation Speed, sleeve rotor and rotating shaft are the fixed structure of integral type, by arranging the first passage 5 for coolant circulation in the axle center of sleeve rotor rotating shaft 14, be provided with the first coolant at first passage 5 and flow into end 6 and the first coolant output 7, High Rotation Speed causes rotor to produce a large amount of heats, first coolant flows into the external coolant source of end 6, coolant is flowed into end 6 from the first coolant input, through first passage 5, arrive the first coolant outflow end 7, because the first coolant outflow end 7 is that the axle center of described rotating shaft 14 is to the surperficial through hole communicated of rotating shaft, namely first passage 5 and the first coolant outflow end 7 communicate with rotating shaft 14 outer surface, namely described through hole is equal to and the first coolant outflow end 7, under the rotation of rotating shaft high speed, rotating shaft self can produce centrifugal force, coolant is discharged from the through hole of rotating shaft outer surface, take away the heat that rotating shaft inside produces endlessly, the temperature in rotating shaft can be reduced, improve the rotary speed of rotating shaft, and improve the useful life of machine shaft.
Shown in Fig. 4, in a particular embodiment, described through hole can be multiple, this some holes is the first coolant output 7, by punching to axle center at the outer surface of rotating shaft 14, hole can be communicated with described first passage 5 (axle center), is sequentially arranged in the outer surface of rotating shaft 14, make coolant discharge so many, take away the inner more heat of rotating shaft; In the particular embodiment, all right lack of alignment of through hole is in rotating shaft, and the size of through hole can be arranged according to actual conditions.
In the particular embodiment, this structure also comprises: on described sleeve rotor 3 and near described second bearing whirligig 4, around the stator 8 of described sleeve rotor and the second channel 12 between described stator 8 and described sleeve rotor 3, described second channel 12 is provided with the second coolant and flows into end 11 and the second coolant outflow end 13, described second coolant flows into end 11 and communicates with described second channel 12 near described clutch shaft bearing 1, and described second coolant outflow end 13 is near described whirligig 4 and communicate with described second channel 12.Owing to there is second channel 12 in the middle of sleeve rotor 3 and stator 8, second coolant flows into the external coolant source of end 11, coolant arrives second channel 12 by the second coolant input 11, finally discharge from the second coolant outflow end 13, whirligig 4 rotates together in company with sleeve rotor 3, whirligig 4 ceaselessly rotates just as an axial flow blower, ceaselessly absorb coolant at the second coolant outflow end 13, impel coolant to flow into end 11 from the second coolant to enter, through second channel 12, coolant is discharged from the second coolant outflow end 13, such coolant just takes away the heat because rotating generation between stator 8 and sleeve rotor 3, coolant circulates between stator 8 and sleeve rotor 3, take away the heat produced because of rotation between stator 8 and sleeve rotor 3 endlessly, the rotary speed of rotating shaft can be improved, and improve the useful life of machine shaft and rotor.
Described whirligig 4 can be the device of blade or other energy practical functions, its function realized is the coolant discharge not stopped Rotational Absorption second coolant outflow end by this device, impel coolant ceaselessly to circulate, take away the heat between stator and sleeve rotor.
In the particular embodiment, coolant is the medium with refrigerating function.Second channel 12 also can be the gap between sleeve rotor 3 own and stator 8, as long as can ensure that coolant flows into end 11 from the second coolant and flows into, such gap that the second coolant outflow end 13 flows out or space.
In the particular embodiment, this structure also comprises the permanent magnet 9 be positioned on described sleeve rotor 3, and described permanent magnet 9 is neodymium iron boron, also can have the material of epistasis magnetic for other.Permanent magnet 9 enters on sleeve rotor 3 by injection, before injection permanent magnet, can to sleeve rotor 3 burst, namely with dividing plate or other objects by sleeve rotor dimidiation, the permanent magnet just becoming split blade type structure of dimidiation after injection permanent magnet; Sleeve rotor is not separated and carry out injection permanent magnet, it is just the permanent magnet of integral type structure, become integral structure or split blade type structure like this, when the rotor is turning, the centrifugal force that the structure of such permanent magnet self produces is little, decrease the temperature in rotor, rotor structure intensity also gets a promotion.
In the particular embodiment, described clutch shaft bearing 1 and the second bearing 2 are electromagnetic bearing, can be also all air bearing, and clutch shaft bearing 1 and the second bearing 2 can fixation hollow rotors at this, ensure that rotating shaft and rotor are stable in rotary course.
In the particular embodiment, the limit of whirligig can also be provided with gland, and whirligig is stuck on sleeve rotor by gland, thus fixing whirligig.
In this high speed rotor of motor structure, often need to improve power to more than 100 kilowatts, can by carrying out the same rotor structure of series connection one on the basis of this rotor structure.The connected mode of concrete series connection is not limited to way of example described below.Rotor structure one end connects turbine, the other end is for be fixed on sleeve rotor by gland by whirligig, the gland of the rotor structure on basis is provided with the engaging position of protruding or caving in, the rotating shaft end of the rotor structure sleeve rotor of connecting with it is provided with the device matched with the engaging position on gland, ensure that two rotors can be fastened togather and synchronous normal work completely, like this by series connection rotor structure and then increase power.
In above-mentioned all embodiments, all can be implemented by one or several embodiment various combination.
Present invention also offers a kind of processing technology of high speed rotor of motor structure, it is characterized in that, comprise the following steps:
S1: sleeve rotor is by the machine-shaping of turning one;
S2: punch in the axle center of rotating shaft;
S3: inject permanent magnet in sleeve rotor;
S4: capping is carried out to sleeve rotor;
S5: the surface of grinding rotor body;
S6: magnetize.
In S1 process, sleeve rotor is formed type by turnery processing, sleeve rotor has rotating shaft;
In S2 process, in the punching of the axle center of the rotating shaft of sleeve rotor, form the first passage for coolant circulation and first medium outflow end, first medium is installed and flows into end;
In S3 process, permanent magnet is injected in sleeve rotor, permanent magnet can be the magnetic material of neodymium iron boron or other high high-quality performances, in the process, can first to sleeve rotor burst, be divided into two parts by sleeve rotor dividing plate or other objects, then sleeve rotor two parts are magnetized formation permanent magnet, so just obtain the permanent magnet of split blade type structure; If not to sleeve rotor burst, namely to sleeve rotor injection neodymium iron boron or high performance magnetic material, finally define the permanent magnet of integral structure;
In S4 process, the permanent magnet injected is carried out capping, the opening of the permanent magnet in sleeve rotor is sealed;
In S5 process, because rotor is in high-speed rotation, if the outside of rotor is rough and uneven in surface, will increase the resistance in its rotary course, resistance greatly i.e. frictional force is large, and the heat of generation just increases, the in-fighting of internal rotor will increase, therefore carry out precise finiss, make smooth surface, the rotary speed of rotor can be improved and reduce the generation of heat;
In S6, rotor structure is magnetized, just become finished product.
In the particular embodiment, after step S6, can also carry out installation whirligig to this device and install stator, these two processes be distinguished without sequencing, key be the last product of this processing technology the need of selecting assembling device and stator, select according to actual conditions.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then utility model is also intended to comprise these change and modification.
Claims (7)
1. a high speed rotor of motor structure, comprises clutch shaft bearing, the second bearing, sleeve rotor, it is characterized in that, described clutch shaft bearing and the second bearing lay respectively at the two ends of described sleeve rotor, and described sleeve rotor comprises rotating shaft, and this structure also comprises:
Be positioned at the first passage of axle center for coolant circulation of described rotating shaft, described first passage is provided with the first coolant and flows into end and the first coolant outflow end, described first coolant flows into the close described clutch shaft bearing of end and communicates with described first passage, described first coolant outflow end is the through hole that surface communicates from the axle center of described rotating shaft to rotating shaft, and described first coolant outflow end is near the second bearing.
2. high speed rotor of motor structure according to claim 1, it is characterized in that, this structure also comprises: to be positioned on described sleeve rotor and near the whirligig of described second bearing, around the stator of described sleeve rotor, second channel between described stator and described sleeve rotor, described second channel is provided with the second coolant and flows into end and the second coolant outflow end, described second coolant flows into the close described clutch shaft bearing of end and communicates with described second channel, described second coolant outflow end is near described whirligig and communicate with described second channel.
3. high speed rotor of motor structure according to claim 1, is characterized in that, this structure also comprises the permanent magnet be positioned on described sleeve rotor, and described permanent magnet is neodymium iron boron.
4. high speed rotor of motor structure according to claim 3, is characterized in that, described permanent magnet is integral type structure.
5. high speed rotor of motor structure according to claim 3, is characterized in that, described permanent magnet is split blade type structure.
6. high speed rotor of motor structure according to claim 1, is characterized in that, described through hole is multiple and is sequentially arranged in the outer surface of described rotating shaft.
7. high speed rotor of motor structure according to claim 1, is characterized in that, described clutch shaft bearing and the second bearing are electromagnetic bearing or air bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520834960.8U CN205051468U (en) | 2015-10-26 | 2015-10-26 | High speed motor rotor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520834960.8U CN205051468U (en) | 2015-10-26 | 2015-10-26 | High speed motor rotor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205051468U true CN205051468U (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520834960.8U Active CN205051468U (en) | 2015-10-26 | 2015-10-26 | High speed motor rotor structure |
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| Country | Link |
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| CN (1) | CN205051468U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105245046A (en) * | 2015-10-26 | 2016-01-13 | 王石柱 | High speed motor rotor structure and processing technology |
-
2015
- 2015-10-26 CN CN201520834960.8U patent/CN205051468U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105245046A (en) * | 2015-10-26 | 2016-01-13 | 王石柱 | High speed motor rotor structure and processing technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180802 Address after: 201611 3 3 Ting Ting Road, Che Dun Town, Songjiang District, Shanghai Patentee after: SHANGHAI SHANGSHI ENERGY TECHNOLOGY CO.,LTD. Address before: 221400 Xin'an City, Xuzhou, Jiangsu Hui Feng Hui family 15 Building 1 unit 401 room Patentee before: Wang Shizhu |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201611 3 3 Ting Ting Road, Che Dun Town, Songjiang District, Shanghai Patentee after: Shanghai Shangshi aeroengine Co.,Ltd. Address before: 201611 3 3 Ting Ting Road, Che Dun Town, Songjiang District, Shanghai Patentee before: SHANGHAI SHANGSHI ENERGY TECHNOLOGY CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder |