CN207111714U - A kind of chair type magnetic pole mounting structure of sloping magnetic poles magnetic bearing - Google Patents
A kind of chair type magnetic pole mounting structure of sloping magnetic poles magnetic bearing Download PDFInfo
- Publication number
- CN207111714U CN207111714U CN201721089514.4U CN201721089514U CN207111714U CN 207111714 U CN207111714 U CN 207111714U CN 201721089514 U CN201721089514 U CN 201721089514U CN 207111714 U CN207111714 U CN 207111714U
- Authority
- CN
- China
- Prior art keywords
- magnetic
- pole
- shaped
- pressing plate
- magnetic bearing
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model discloses a kind of chair type magnetic pole mounting structure of sloping magnetic poles magnetic bearing, including magnetic bearing base, U-shaped pole core, pole coil, head pressing plate and afterbody pressing plate, the magnetic bearing base is provided with axis hole, the upper surface of magnetic bearing base and positioned at axis hole circumferencial direction on be uniformly provided with four inclined grooves, the U-shaped pole core is in inclined groove, and the magnetic pole strength of the side of U-shaped pole core two is stretched in axis hole, two pole coils are arranged on two sides of U-shaped pole core respectively, head pressing plate and afterbody pressing plate are fixedly connected in the side wall of inclined groove by screw, and U-shaped pole core is fixed in inclined groove, head pressing plate and afterbody pressing plate are located at the both sides up and down of pole coil, and pole coil is positioned on U-shaped pole core.The utility model mounting structure is simple, number of parts is few, and installs simple and convenient.
Description
Technical field：
It the utility model is related to a kind of chair type magnetic pole mounting structure of sloping magnetic poles magnetic bearing.
Background technology：
The magnetic pole of common radial direction magnetic bearing is the plane laminated structure (such as Fig. 1) of similar motor stator mostly, i.e., using phase
The level of silicon steel punched chip 800 of similar shape, which laminates, forms a solid pole, and coil 810 is this kind of around being located on silicon steel punched chip 800
The magnetic pole profile of magnetic bearing is a flat cylinder, thus the face of cylinder commonly used in rotating machinery can be used to feel relieved, end face
The mounting means of compression.But four magnetic poles of sloping magnetic poles magnetic bearing arrange in pyramid shape, thus above-mentioned common magnetic bearing
The mounting means of magnetic pole is not suitable for sloping magnetic poles magnetic bearing.
Utility model content：
The utility model is to provide a kind of sloping magnetic poles magnetic bearing to solve the above-mentioned problems of the prior art
Chair type magnetic pole mounting structure.
There is technical scheme used by the utility model：A kind of chair type magnetic pole mounting structure of sloping magnetic poles magnetic bearing,
Including magnetic bearing base, U-shaped pole core, pole coil, head pressing plate and afterbody pressing plate, the magnetic bearing base is provided with axle
Hole, the upper surface of magnetic bearing base and positioned at axis hole circumferencial direction on be uniformly provided with four inclined grooves, the U-shaped magnetic pole
Iron core is in inclined groove, and the magnetic pole strength of the side of U-shaped pole core two is stretched in axis hole, and two pole coils are worn respectively
In on two sides of U-shaped pole core, head pressing plate and afterbody pressing plate are fixedly connected on the side wall of inclined groove by screw
On, and U-shaped pole core being fixed in inclined groove, head pressing plate and afterbody pressing plate are located at the both sides up and down of pole coil,
And pole coil is positioned on U-shaped pole core.
Further, the inclined groove is 30 °~60 ° relative to the angle of inclination of axis hole axis.
Further, the U-shaped pole core is made up of silicon strip.
Further, the magnetic pole strength of two sides of the U-shaped pole core is arc-shaped.
Further, the magnetic bearing base includes integrally formed circular portions and round platform portion, the round platform portion it is straight
Footpath is less than the diameter of circular portions, and the inclined groove is in round platform portion, and the bottom of inclined groove extends circular portions
On.
Further, stopper slot is provided with the inclined groove, the bottom of the pole coil is placed in the stopper slot.
Further, the afterbody pressing plate includes integrally formed first connecting portion, second connecting portion and limiting section, spacing
Portion and second connecting portion are vertical at the both sides of first connecting portion, and the first connecting portion and second connecting portion are fixed by screw
It is connected in the side wall of inclined groove, limiting section is plugged between two sides of U-shaped pole core.
The utility model has the advantages that：
1) the circular portions of magnetic bearing base easily can carry out face of cylinder centering and axially position with motor casing endoporus；
The round platform portion of magnetic bearing base is easily installed inclined U-shaped pole core simultaneously, while mitigates the quality of magnetic bearing base；
2) machined surface of inclined groove is all parallel surface, thus clamping can once complete a U-shaped on milling machine
The processing of groove；
3) inclined groove can simply and reliablely fix U-shaped pole core with five-point type fixed structure；
4) the utility model mounting structure is simple, number of parts is few, and installs simple and convenient.
Brief description of the drawings：
Fig. 1 is the magnetic pole installation diagram of magnetic bearing in the prior art.
Fig. 2 is the utility model tomograph.
Fig. 3 is the partial enlarged drawing of the last parts installation of magnetic bearing base in the utility model.
Fig. 4 is the utility model front view.
Fig. 5 is the utility model top view.
Fig. 6 is the graphics of magnetic bearing base in the utility model.
Fig. 7 is the plan of magnetic bearing base in the utility model.
Fig. 8 is electromagnetic attraction and support force force analysis figure of the U-shaped pole core on longitudinal section in the utility model.
Fig. 9 is force analysis figure of the U-shaped pole core on magnetic pole front in the utility model.
Figure 10 is support force diagram of the U-shaped pole core in the bottom land plane of inclined groove in the utility model.
Embodiment：
The utility model is further described below in conjunction with the accompanying drawings.
As shown in Figures 2 to 5, the utility model discloses a kind of chair type magnetic pole mounting structure of sloping magnetic poles magnetic bearing,
Including magnetic bearing base 41, U-shaped pole core 42, pole coil 43, head pressing plate 44 and afterbody pressing plate 45, in magnetic bearing base
Axis hole 410 is provided with 41 center, is provided with four inclined grooves 411 in the upper surface of magnetic bearing base 41, this four inclinations are recessed
Groove 411 is uniformly distributed on the circumferencial direction along axis hole 410.U-shaped pole core 42 is in inclined groove 411, and U-shaped magnetic pole
The magnetic pole strength A of 42 liang of sides of iron core is stretched in axis hole 410, and two pole coils 43 are arranged in the two of U-shaped pole core 42 respectively
On side, head pressing plate 44 and afterbody pressing plate 45 are fixedly connected in the side wall of inclined groove 411 by screw, and by U-shaped
Pole core 42 is fixed in inclined groove 411, and head pressing plate 44 and afterbody pressing plate 45 are located at the both sides up and down of pole coil 43,
And pole coil 43 is positioned on U-shaped pole core 42.
Inclined groove 411 is 30 °~60 ° relative to the angle of inclination of the axis of axis hole 410.
U-shaped pole core 42 is made up of silicon strip.The magnetic pole strength A of two sides of U-shaped pole core 42 is arc-shaped.
With reference to Fig. 6 and Fig. 7, magnetic bearing base 41 includes integrally formed circular portions 418 and round platform portion 419, round platform portion
419 diameter is less than the diameter of circular portions 418, and inclined groove 411 is in round platform portion 419, and the bottom of inclined groove 411
Extend in circular portions 418.Circular portions 418 can be positioned easily with motor casing inner hole；It is easy to pacify in round platform portion 419
Fill inclined U-shaped pole core 42.
For preferably pole coil 43 is positioned in inclined groove 411, stopper slot is provided with inclined groove 411
4111, the bottom of pole coil 43 is placed in the stopper slot 4111.
Afterbody pressing plate 45 in the utility model includes integrally formed first connecting portion 451, second connecting portion 452 and limit
Position portion 453, limiting section 453 and second connecting portion 452 are vertical at the both sides of first connecting portion 451, first connecting portion 451 and
Two connecting portions 452 are fixedly connected on by screw in the side wall of inclined groove 411, and limiting section 453 is plugged on U-shaped pole core 42
Two sides between.
Screw hole on afterbody pressing plate 45 is all mounting hole, therefore can be adjusted automatically during screw is tightened
Section, it is ensured that U-shaped pole core 42 is firmly installed in place.
Inclined groove 411 in the utility model structure can effectively constrain U-shaped magnetic pole edge with five-point type fixed structure
The motion of any free degree, force analysis are as follows：
U-shaped magnetic pole has six-freedom degree in space --- three translation freedoms, three rotational freedoms.Can be along
Three orthogonal coordinate planes are established in magnetic bearing seat slot baseplane：1) along the bottom land plane of bottom portion of groove；2) axis hole is crossed
The magnetic pole plane of symmetry --- the longitudinal section of 410 axis；3) perpendicular to the magnetic pole of bottom land and face U-shaped magnetic pole opening direction front.
The six-freedom degree can of U-shaped magnetic pole is defined as：Three translation freedoms：1) along bottom land (Fig. 8 on longitudinal section
Upper left-bottom right) translation；2) translated on longitudinal section perpendicular to bottom land (Fig. 8 lower-lefts-upper right)；3) along bottom land (Fig. 9 on magnetic pole front
Left and right) translation.
Three rotational freedoms：1) along the rotation of longitudinal section (Fig. 8 is cis- counterclockwise)；2) along magnetic pole front, (Fig. 9 is cis-
Rotation counterclockwise)；3. along the rotation of bottom land plane (Figure 10 is cis- counterclockwise).
Electromagnetic attraction and support force situation of the U-shaped pole core 42 on longitudinal section are as shown in Figure 8.It can be seen that U-shaped magnetic
Pole iron core 42 on longitudinal cross-section parallel to the translation of bottom land upper left-bottom right, perpendicular to bottom land lower-left-upper right translation and along
The cis- motion for rotating counterclockwise three directions in longitudinal section is effectively constrained.
Support situation of the U-shaped pole core 42 on magnetic pole front is as shown in Figure 9.It can be seen that U-shaped pole core 42 exists
On magnetic pole front along bottom land or so translate and along magnetic pole front it is cis- rotate counterclockwise both direction motion it is effective
Ground constrains.
Support situation of the U-shaped pole core 42 in bottom land plane is as shown in Figure 10.It can be seen that due to poletip,
Two sides of tail is all limited by 411 two sides of inclined groove, therefore magnetic pole rotates counterclockwise along the cis- of bottom land plane
It is affined.
In summary, the free degree of the U-shaped pole core 42 along whole six directions is all by the utility model mounting structure
Limited, it is impossible to moved with respect to base, therefore be able to ensure that the solid and reliable of magnetic pole installation.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, some improvement can also be made on the premise of the utility model principle is not departed from, these improvement also should be regarded as
The scope of protection of the utility model.
Claims (7)
- A kind of 1. chair type magnetic pole mounting structure of sloping magnetic poles magnetic bearing, it is characterised in that：Including magnetic bearing base (41), U Shape pole core (42), pole coil (43), head pressing plate (44) and afterbody pressing plate (45), set on the magnetic bearing base (41) There is axis hole (410), be uniformly provided with four on the upper surface of magnetic bearing base (41) and circumferencial direction positioned at axis hole (410) and incline Oblique groove (411), the U-shaped pole core (42) is interior located at inclined groove (411), and the side of U-shaped pole core (42) two Magnetic pole strength (A) is stretched in axis hole (410), and two pole coils (43) are arranged on two sides of U-shaped pole core (42) respectively, Head pressing plate (44) and afterbody pressing plate (45) are fixedly connected in the side wall of inclined groove (411) by screw, and by U-shaped magnetic Pole iron core (42) is fixed in inclined groove (411), and head pressing plate (44) and afterbody pressing plate (45) are located at pole coil (43) Upper and lower both sides, and pole coil (43) is positioned on U-shaped pole core (42).
- 2. the chair type magnetic pole mounting structure of sloping magnetic poles magnetic bearing as claimed in claim 1, it is characterised in that：The inclination Groove (411) is 30 °~60 ° relative to the angle of inclination of axis hole (410) axis.
- 3. the chair type magnetic pole mounting structure of sloping magnetic poles magnetic bearing as claimed in claim 1, it is characterised in that：The U-shaped Pole core (42) is made up of silicon strip.
- 4. the chair type magnetic pole mounting structure of sloping magnetic poles magnetic bearing as claimed in claim 1, it is characterised in that：The U-shaped The magnetic pole strength (A) of two sides of pole core (42) is arc-shaped.
- 5. the chair type magnetic pole mounting structure of sloping magnetic poles magnetic bearing as claimed in claim 1, it is characterised in that：The magnetic axis Holding base (41) includes integrally formed circular portions (418) and round platform portion (419), and the diameter of the round platform portion (419) is less than The diameter of circular portions (418), the inclined groove (411) is on round platform portion (419), and the bottom of inclined groove (411) Extend in circular portions (418).
- 6. the chair type magnetic pole mounting structure of sloping magnetic poles magnetic bearing as claimed in claim 5, it is characterised in that：The inclination Stopper slot (4111) is provided with groove (411), the bottom of the pole coil (43) is placed in the stopper slot (4111).
- 7. the chair type magnetic pole mounting structure of sloping magnetic poles magnetic bearing as claimed in claim 1, it is characterised in that：The afterbody Pressing plate (45) includes integrally formed first connecting portion (451), second connecting portion (452) and limiting section (453), limiting section (453) and second connecting portion (452) is vertical at the both sides of first connecting portion (451), the first connecting portion (451) and second Connecting portion (452) is fixedly connected on by screw in the side wall of inclined groove (411), and limiting section (453) is plugged on U-shaped magnetic pole iron Between two sides of core (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721089514.4U CN207111714U (en) | 2017-08-29 | 2017-08-29 | A kind of chair type magnetic pole mounting structure of sloping magnetic poles magnetic bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721089514.4U CN207111714U (en) | 2017-08-29 | 2017-08-29 | A kind of chair type magnetic pole mounting structure of sloping magnetic poles magnetic bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207111714U true CN207111714U (en) | 2018-03-16 |
Family
ID=61574055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721089514.4U Withdrawn - After Issue CN207111714U (en) | 2017-08-29 | 2017-08-29 | A kind of chair type magnetic pole mounting structure of sloping magnetic poles magnetic bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207111714U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387561A (en) * | 2017-08-29 | 2017-11-24 | 南京磁谷科技有限公司 | A kind of chair type magnetic pole mounting structure of sloping magnetic poles magnetic bearing |
-
2017
- 2017-08-29 CN CN201721089514.4U patent/CN207111714U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387561A (en) * | 2017-08-29 | 2017-11-24 | 南京磁谷科技有限公司 | A kind of chair type magnetic pole mounting structure of sloping magnetic poles magnetic bearing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207111714U (en) | A kind of chair type magnetic pole mounting structure of sloping magnetic poles magnetic bearing | |
| CN105735163B (en) | A kind of direction board fastener of urban traffic road | |
| CN107387561A (en) | A kind of chair type magnetic pole mounting structure of sloping magnetic poles magnetic bearing | |
| CN106670854B (en) | A kind of mechanical processing fixing device | |
| CN105970847B (en) | A kind of new road traffic indication board secure component | |
| CN207111708U (en) | A kind of mounting seat for being used to tilt magnetic pole in magnetic bearing | |
| CN106026464A (en) | Motor rotor and permanent-magnet synchronous motor | |
| CN105757069B (en) | A kind of anti-offset road traffic direction board fastening apparatus | |
| CN107126629A (en) | A kind of Gyromagnetic machine structure | |
| CN107327488A (en) | A kind of mounting seat for being used to tilt magnetic pole in magnetic bearing | |
| CN109831044A (en) | Permanent magnet support for a permanent magnet generator | |
| CN107381221A (en) | A kind of coil winding machine location structure of activity adjustment | |
| CN209516872U (en) | A kind of motor inserting-coil frame | |
| CN209043586U (en) | A kind of chain saw suspention test device | |
| CN105926481B (en) | A kind of fastener for road traffic direction board | |
| CN203523167U (en) | PCB welding tool | |
| CN106351854A (en) | Ceiling fan | |
| CN207139563U (en) | A kind of numerically control grinder magnetic holding device | |
| CN204960234U (en) | Supporting leg of raised floor | |
| CN207480140U (en) | A kind of two-way mechanical clamp for machining | |
| CN205923756U (en) | Soybean milk machine | |
| CN205816884U (en) | Vice block | |
| CN219359307U (en) | Auxiliary positioning device for rocker arm part | |
| CN208468054U (en) | A kind of polishing clamp | |
| CN212045389U (en) | Positioning and drilling equipment for engineering construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 99, Jinxin Middle Road, Jiangning District, Nanjing City, Jiangsu Province Patentee after: Nanjing Cigu Technology Co.,Ltd. Address before: Nine No. 211102 Bamboo Road, Jiangning Development Zone, Nanjing, Jiangsu, 100 Patentee before: NANJING CIGU Ltd.,Corp. |
|
| CP03 | Change of name, title or address | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180316 Effective date of abandoning: 20230620 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180316 Effective date of abandoning: 20230620 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |