CN202696304U - Solid rotor magnetic pole structure - Google Patents
Solid rotor magnetic pole structure Download PDFInfo
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- CN202696304U CN202696304U CN 201120417957 CN201120417957U CN202696304U CN 202696304 U CN202696304 U CN 202696304U CN 201120417957 CN201120417957 CN 201120417957 CN 201120417957 U CN201120417957 U CN 201120417957U CN 202696304 U CN202696304 U CN 202696304U
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- axial groove
- pole core
- yoke sleeve
- magnetic pole
- jut
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Abstract
The utility model discloses a solid rotor magnetic pole structure, belonging to the technical field of permanent magnet synchronous motors. A magnetic pole iron core and a magnet yoke sleeve are fixed through an axial slot and a protruding part on one face where the magnetic pole iron core and the magnet yoke sleeve are mutually contacted. The axial slot and the protruding part have matched shapes and are arranged along the axial direction of a rotating shaft of the rotor. The axial slot is arranged on the interior surface of the magnetic pole iron core or on the exterior surface of the magnet yoke sleeve. Correspondingly, the protruding part is arranged on the exterior surface of the magnet yoke sleeve or on the interior surface of the magnetic pole iron core. After the magnetic pole iron core and the magnet yoke sleeve are installed in place, the protruding part is positioned inside the matched axial slot. The bottom of the axial slot is wider than the opening of the slot. The top of the protruding part is wider than the bottom of the protruding part. The structure provided by the utility model has the characteristics of large contact area, strong anti-deforming ability, accuracy positioning, high connection strength and the like, and achieves good prospects for production, manufacturing and popularization of a high-voltage permanent magnet motor.
Description
Technical field
The utility model relates to a kind of solid rotor magnetic pole structure of permanent magnet synchronous motor, belongs to the permanent magnet synchronous motor technical field.
Background technology
The problem that the utility model is intended to solve that the big-and-middle-sized high-voltage permanent magnet synchronous self-starting motor of solid rotor exists that yoke sleeve and the original connected mode of pole core exist in processing and manufacturing and use procedure that contact-making surface is little, the location is inaccurate, yoke sleeve and pole core bonding strength need increase the part guarantee.The existing technology that addresses this problem is: drive cannelure in the equidistant cross-wise direction of yoke sleeve interior surface, and in radial ringed groove, evenly open the individual via hole of n (n is motor pole number), connecting bolt is fastenedly connected by each utmost point screw of pole core of via hole and its correspondence position, makes pole core and yoke sleeve form one.For increasing the intensity of overall structure when moving, Eight characters pin or straight pin have been installed additional at the two ends of rotor face again.The problem that original technology occurs in implementation process:
1, pole core because machining stress concentrates on inside diameter surface, so internal diameter has produced deformation in processing put procedure, contacts so that the pole core inner surface has become line with yoke sleeve outer surface composition surface by the face applying after distinguish machines.
2, processing Eight characters pin hole or cylinder pin hole is after with bolt pole core and yoke sleeve being connected as one in cannelure, because bolt links together by yoke sleeve via hole and pole core, so add in subsequent handling and easily to cause that each lobe relative position of pole core changes, and affects the following process precision man-hour.
The utility model content
The purpose of this utility model is in order to overcome the defective of prior art, the problem that have in order to solve the big-and-middle-sized high-voltage permanent magnet synchronous self-starting motor of solid rotor that yoke sleeve and the original connected mode of pole core exist in processing and manufacturing and use procedure that contact-making surface is little, the location is inaccurate, yoke sleeve and pole core bonding strength need increase the part guarantee proposes a kind of solid rotor magnetic pole structure.
A kind of solid rotor magnetic pole structure, comprise: pole core and yoke sleeve, wherein pole core is installed on the outer surface of yoke sleeve, pole core and yoke sleeve are to be fixed by the axial groove of offering on the face of contacting with each other and the jut that has, and described axial groove and jut have the shape that matches; Described axial groove is axially disposed within on the outer surface of pole core inner surface or yoke sleeve along the rotating shaft of rotor, and correspondingly, described jut is axially disposed within on the outer surface or pole core inner surface of yoke sleeve along the rotating shaft of rotor; Pole core and the yoke sleeve rear described jut that is in place is positioned at the inside of the axial groove that matches; And the bottom width of described axial groove is greater than the A/F of this groove; The top width of described jut is greater than bottom width;
As preferred scheme, after pole core and yoke sleeve partly are in place by axial groove and complementary protuberance, also be connected by axial fixing mechanism between each utmost point of pole core and the yoke sleeve, be used for restriction pole core axial location, so that the two can not occur axially to relatively move.
As preferred scheme, each utmost point inner surface of pole core arranges described axial groove or the jut more than 1 or 1; When each utmost point of pole core was provided with described axial groove more than 1 or jut, described axial groove or jut should be parallel to each other;
As preferred scheme, the degree of depth of axial groove should guarantee that after alinco assembled entered pole core, axial groove did not affect the distribution of the magnetic line of force;
As preferred scheme, in the solid rotor, the quantity of jut equates with the quantity of axial groove;
As preferred scheme, described axial groove can be dovetail groove or inverted T-slot etc.;
As preferred scheme, the bottom of described axial groove is the plane;
As preferred scheme, described axial groove axially is opened in the inner surface of each utmost point of pole core along rotating shaft, the face that namely contacts with the yoke sleeve; Described jut is positioned at the outer surface of yoke sleeve, and the shape of described jut all matches with the axial groove that each utmost point inner surface of the pole core to this position to be installed is offered;
The quantity that each utmost point inner surface of pole core is offered described axial groove is more than 1 or 1; The quantity of the axial groove of offering when each utmost point of pole core is 1 when above, and described axial groove should be parallel to each other;
Pole core is connected axial groove is connected with complementary protuberance and connects with the yoke sleeve, described jut is positioned at the inside of the axial groove that matches and the two contact-making surface is coincide as far as possible after connecting, and guarantees to connect rear pole core and can not break away from the yoke sleeve in the radial direction in rotating shaft.
The assembly method of described rotor structure is: after the pole core distinguish machines, with each utmost point of pole core from the end face of yoke sleeve, the jut that the axial groove offered on the two is aimed at match also inserts jut in the axial groove, then axially promote pole core along rotor shaft, the two is in place.
Further, described axial fixing mechanism is pin, after pole core and yoke sleeve partly are in place by axial groove and complementary protuberance, adopts pin respectively each utmost point of pole core and the both ends of the surface of yoke sleeve to be fixed; The two is used for restriction pole core axial location, so that can not occur axially to relatively move.
Compared with prior art, the beneficial effects of the utility model are:
The structure that the utility model proposes, the contrast prior art, the problem that can solve that the big-and-middle-sized high-voltage permanent magnet synchronous self-starting motor of solid rotor exists that yoke sleeve and the original connected mode of pole core exist in processing and manufacturing and use procedure that contact-making surface is little, the location is inaccurate, yoke sleeve and pole core bonding strength need increase the part guarantee, the characteristics such as this solid rotor structure has that contact-making surface is large, non-deformability is strong, accurate positioning, bonding strength are large have good high-tension magneto production, make promotion prospect.
Description of drawings
Fig. 1 is described yoke tube-in-tube structure figure, and wherein (a) is yoke sleeve left view, (b) is yoke sleeve A-A cutaway view;
Fig. 2 is described yoke sleeve entity structure schematic diagram;
Fig. 3 is the structure chart of described each utmost point of pole core, and wherein (a) is the left view of each utmost point of pole core, (b) is the tangential figure of pole core;
Fig. 4 is each utmost point entity structure schematic diagram of described pole core;
Fig. 5 is described solid rotor magnetic pole structure figure described in the utility model, and wherein (a) is the solid rotor left view, (b) is solid rotor A-A cutaway view;
Fig. 6 is solid rotor structure chart described in the utility model;
Among the figure, 1-pole core, 2-yoke sleeve, 3-pin.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in detail, technical problem and beneficial effect that technical solutions of the utility model solve have also been narrated simultaneously, it is to be noted, described embodiment only is intended to be convenient to understanding of the present utility model, and it is not played any restriction effect.
Because planar structure is little than the globoidal structure machining stress, non-deformability is strong; The positioning performance of wedge shape syndeton is with to be connected hardness of steel also larger; It is lower that while yoke sleeve is generally lightweight NULL hardness, inefficiency when processing inner surface cannelure; In original bolt connection procedure, because narrow space, there is operation inconvenience, the problem such as installation effectiveness is low; So this device has adopted such as embodiment and version shown in the drawings, further improve the process for machining and manufacturing of product and the reliability of use.This rotor magnetic pole structure is mainly used in the big-and-middle-sized high-voltage permanent magnet synchronous self-starting motor production of solid rotor, manufacturing field, and electric moter voltage can be used 3KV, 6KV, 10KV, power bracket 200KW～1000KW.
In fact, axial groove described in the technical program can be positioned at pole core inner surface (corresponding jut is positioned at the yoke sleeve outer surface), also can be positioned at yoke sleeve outer surface (corresponding jut is positioned at the pole core inner surface), also can have simultaneously the axial groove and the jut that axially arrange along rotor shaft on each utmost point inner surface of pole core, if pole core and yoke sleeve the two be match and can guarantee that pole core behind the jut insertion axial groove can not break away from the yoke sleeve in the radial direction in rotating shaft.Consider difficulty of processing, recommend adoption is offered the scheme (corresponding jut is positioned at the yoke sleeve outer surface) of axial groove at the inner surface of each utmost point of pole core, see accompanying drawing 5 and 6.
Below in conjunction with accompanying drawing this preferred implementation of the present utility model is elaborated.
A kind of solid rotor magnetic pole structure comprises pole core, yoke sleeve, wherein:
Pole core is used for placing magnet steel, produces fundamental waveform and starting vortex;
The yoke sleeve is used for connection rotating shaft and pole core;
The inner surface of described each utmost point of pole core, the face that namely contacts with the yoke sleeve axially all offers axial groove along rotating shaft, and the bottom width of described axial groove is greater than the A/F of this groove; See accompanying drawing 3 and 4.
The quantity that each utmost point inner surface of pole core is offered described axial groove is more than 1 or 1; The quantity of the axial groove of offering when each utmost point of pole core is 1 when above, and described axial groove should be parallel to each other;
Outer surface one week of described yoke sleeve is upper axially to have a plurality of juts along rotating shaft, see attached Fig. 1 and 2, the top width of described jut is greater than bottom width, and the shape of described jut all matches with the axial groove that each utmost point inner surface of the pole core to this position to be installed is offered; The quantity of jut equates with the quantity of axial groove; Pole core is connected axial groove is connected with complementary protuberance and connects with the yoke sleeve, described jut is positioned at the inside of the axial groove that matches and the two contact-making surface is coincide as far as possible after connecting, and guarantees to connect rear pole core and can not break away from the yoke sleeve in the radial direction in rotating shaft.
As preferred scheme, described axial groove can be dovetail groove or inverted T-slot etc.; Should have corresponding raised structures with its jut that matches guarantees to be connected rear pole core and can not break away from the yoke sleeve in the radial direction in rotating shaft;
As preferred scheme, the bottom of described axial groove is the plane;
The assembly method of described rotor structure is: after the pole core distinguish machines, the axial groove of each utmost point of pole core is aimed at the jut that matches and jut is inserted the axial groove from the end face of yoke sleeve, then axially promote pole core along rotating shaft, the two is in place.
Further, pole core be connected with the yoke sleeve axial groove be connected with complementary protuberance connect after, adopt pin respectively each utmost point of pole core and the both ends of the surface of yoke sleeve to be fixed, be used for restriction pole core axial location, so that the two can not occur axially to relatively move.See accompanying drawing 5 and 6.
The above; it only is embodiment of the present utility model; but protection range of the present utility model is not limited to this; anyly be familiar with the people of this technology in the disclosed technical scope of the utility model; can understand conversion and the replacement expected; all should be encompassed in of the present utility model comprising within the scope, therefore, protection range of the present utility model should be as the criterion with the protection range of claims.
Claims (10)
1. solid rotor magnetic pole structure, comprise: pole core and yoke sleeve, wherein pole core is installed on the outer surface of yoke sleeve, it is characterized in that, pole core and yoke sleeve are to be fixed by the axial groove of offering on the face of contacting with each other and the jut that has, and described axial groove and jut have the shape that matches; Described axial groove is axially disposed within on the outer surface of pole core inner surface or yoke sleeve along the rotating shaft of rotor, and correspondingly, described jut is axially disposed within on the outer surface or pole core inner surface of yoke sleeve along the rotating shaft of rotor; Pole core and the yoke sleeve rear described jut that is in place is positioned at the inside of the axial groove that matches; And the bottom width of described axial groove is greater than the A/F of this groove; The top width of described jut is greater than bottom width.
2. described a kind of solid rotor magnetic pole structure according to claim 1 is characterized in that, described axial groove axially is opened in the inner surface of each utmost point of pole core along the rotating shaft of rotor; Described jut is positioned at the outer surface of yoke sleeve, and the shape of described jut all matches with the axial groove that each utmost point inner surface of the pole core to this position to be installed is offered.
3. described a kind of solid rotor magnetic pole structure according to claim 1 is characterized in that, after pole core and yoke sleeve partly are in place by axial groove and complementary protuberance, also is connected by axial fixing mechanism between each utmost point of pole core and the yoke sleeve.
4. described a kind of solid rotor magnetic pole structure according to claim 1 is characterized in that, each utmost point inner surface of pole core arranges described axial groove or the jut more than 1 or 1; When each utmost point of pole core was provided with described axial groove more than 1 or jut, described axial groove or jut should be parallel to each other.
5. arbitrary described a kind of solid rotor magnetic pole structure is characterized in that according to claim 1-4, and in the solid rotor, the quantity of jut equates with the quantity of axial groove.
6. arbitrary described a kind of solid rotor magnetic pole structure is characterized in that according to claim 1-4, and described axial groove is dovetail groove or inverted T-slot.
7. arbitrary described a kind of solid rotor magnetic pole structure is characterized in that according to claim 1-4, and the bottom of described axial groove is the plane.
8. described a kind of solid rotor magnetic pole structure according to claim 2 is characterized in that, the quantity that each utmost point inner surface of pole core is offered described axial groove is more than 1 or 1; The quantity of the axial groove of offering when each utmost point of pole core is 1 when above, and described axial groove should be parallel to each other.
9. described a kind of solid rotor magnetic pole structure according to claim 3, it is characterized in that, described axial fixing mechanism is pin, after pole core and yoke sleeve partly are in place by axial groove and complementary protuberance, adopt pin respectively each utmost point of pole core and the both ends of the surface of yoke sleeve to be fixed.
10. arbitrary described a kind of solid rotor magnetic pole structure is characterized in that according to claim 1-4, and the degree of depth of axial groove should guarantee that after alinco assembled entered pole core, axial groove did not affect the distribution of the magnetic line of force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120417957 CN202696304U (en) | 2011-10-28 | 2011-10-28 | Solid rotor magnetic pole structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120417957 CN202696304U (en) | 2011-10-28 | 2011-10-28 | Solid rotor magnetic pole structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202696304U true CN202696304U (en) | 2013-01-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120417957 Expired - Lifetime CN202696304U (en) | 2011-10-28 | 2011-10-28 | Solid rotor magnetic pole structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202696304U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346635A (en) * | 2013-06-03 | 2013-10-09 | 江苏通达动力科技股份有限公司 | Connecting mechanism of electromotor rotary shaft and rotor punched plate and machining method |
| CN109149815A (en) * | 2018-09-14 | 2019-01-04 | 北京交通大学 | Solid and lamination mixed type permanent magnet rotor structure |
-
2011
- 2011-10-28 CN CN 201120417957 patent/CN202696304U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346635A (en) * | 2013-06-03 | 2013-10-09 | 江苏通达动力科技股份有限公司 | Connecting mechanism of electromotor rotary shaft and rotor punched plate and machining method |
| CN109149815A (en) * | 2018-09-14 | 2019-01-04 | 北京交通大学 | Solid and lamination mixed type permanent magnet rotor structure |
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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 | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170626 Address after: Victory Street 030009 Shanxi Xinghualing district city of Taiyuan province No. 101 building 118 layer 1 Patentee after: Shanxi Beifang machine Holding Co., Ltd. Address before: 030009 Shengli Street, Shanxi, Taiyuan, No. 101 Patentee before: Shanxi North Machine-building Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130123 |