CN202085012U - Interpolar wire connecting structure for high-speed synchronous motor rotor - Google Patents
Interpolar wire connecting structure for high-speed synchronous motor rotor Download PDFInfo
- Publication number
- CN202085012U CN202085012U CN2011201762729U CN201120176272U CN202085012U CN 202085012 U CN202085012 U CN 202085012U CN 2011201762729 U CN2011201762729 U CN 2011201762729U CN 201120176272 U CN201120176272 U CN 201120176272U CN 202085012 U CN202085012 U CN 202085012U
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- copper bar
- rotating shaft
- pole coils
- connection copper
- interval
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- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The utility model discloses an interpolar wire connecting structure for a high-speed synchronous motor rotor. The interpolar wire connecting structure comprises a rotating shaft, a magnetic yoke sleeved on the rotating shaft, four magnetic poles uniformly arranged on the outer surface of the magnetic yoke and magnetic pole coils wound on the magnetic poles, wherein an annular connecting copper bar is arranged on the surface of the rotating shaft and close to one end face of the magnetic yoke in an overhead manner, the upper joints of two magnetic pole coils that are in interval arrangement are respectively led out of an end face close to the connecting copper bar and are respectively connected with the connecting copper bar via an L-shaped busbar, the connecting copper bar is fixed on the rotating shaft via a plurality of radial bolts, the lower joints of the above two magnetic pole coils that are in interval arrangement and the upper joints of the other two magnetic pole coils that are in interval arrangement are connected with an external cable that is led in, and the lower joints of the other two magnetic pole coils that are in interval arrangement are led out of the end face close to the connecting copper bar and are connected with the connecting copper bar.
Description
Technical field
The utility model relates to a kind of interpolar connecting line construction of high-speed synchronous rotor.
Background technology
Common salient pole type four utmost point synchronous motor structures are very compact and have a high rotational speed, its rotating speed reaches 1500r/min, runaway speed reaches 1800r/min, thus to its rotating part particularly the stress of rotor coil, pole shoe, pole shoe bolt, wiring etc. require just than higher.The interpolar connecting line construction of traditional high-speed synchronous rotor is: lifting one's head of two adjacent pole coils 40 drawn from the side of pole coil, by be connected copper bar 5 solderings after fix by the radial bolts 7 and the outer surface of yoke 2 again, radial bolts 7 be connected between the copper bar 5 with bakelite piece 6 and insulating sleeve 9 as insulation, as Fig. 1.Its drawback is: because the narrow space between the magnetic pole, operating difficulties when not only welding, and the position and the space of no any fixing, colligation after welding, therefore at the bigger high-speed electric expreess locomotive of relative linear velocity, especially large-diameter rotor is a big hidden danger place that easily produces mechanical failure, damage in insulation herein.
Summary of the invention
The purpose of this utility model is in order to overcome the deficiencies in the prior art, a kind of interpolar connecting line construction of high-speed synchronous rotor to be provided, and it can make the joint tie point of the close yoke of pole coil reliably be guaranteed at machinery and electric insulation.
The technical scheme that realizes above-mentioned purpose is: a kind of interpolar connecting line construction of high-speed synchronous rotor comprises rotating shaft, is sleeved on yoke in the rotating shaft, four uniform magnetic poles that are installed in the yoke outer surface and the pole coil on the magnetic pole.Wherein, the vacant lot of putting on the shelf on the surface of the described rotating shaft of pressing close to described yoke one end face is provided with the connection copper bar of a ring-type, the top sub of described two pole coils that are provided with is at interval drawn from the end face near described connection copper bar respectively, and be connected on the described connection copper bar by a L shaped busbar respectively, this connection copper bar is fixed in the described rotating shaft with some radial bolts, the bottom joint of described these two pole coils that are provided with at interval is connected with the external electric cable of introducing with the top sub of other two pole coils that are provided with at interval, and the bottom joint of two pole coils that are provided with at interval is also from drawing near the end face of described connection copper bar and connecting with the described copper bar that is connected in addition.
The interpolar connecting line construction of above-mentioned high-speed synchronous rotor, wherein, the top sub of described two pole coils that are provided with at interval is connected with the upper end of described L shaped busbar by silver soldering respectively, and the lower end of this L shaped busbar is connected described connection copper bar by described radial bolts and gets the upper surface and be fixed in the lump in the described rotating shaft with the described copper bar that is connected.
The interpolar connecting line construction of above-mentioned high-speed synchronous rotor, wherein, described connection copper bar is built on stilts by a plurality of lip-deep bakelite pieces of described rotating shaft that are fixed in uniform way.And also be provided with the bakelite piece between the top of connection copper bar and each the described radial bolts.
The technical scheme of the interpolar connecting line construction of high-speed synchronous rotor of the present utility model, employing will move to the termination of pole coil from two adjacent interpolars near the joint tie point of yoke on the pole coil, easy to operate in the time of can making connection, and the joint tie point of close yoke on the pole coil is reliably guaranteed at machinery and electric insulation.
Description of drawings
Fig. 1 is the schematic diagram of interpolar connecting line construction of the high-speed synchronous rotor of prior art;
Fig. 2 is the radial view of the interpolar connecting line construction of high-speed synchronous rotor of the present utility model;
Fig. 3 is the axial view of the interpolar connecting line construction of high-speed synchronous rotor of the present utility model.
Embodiment
Also in conjunction with the accompanying drawings the technical solution of the utility model is described below by specific embodiment:
See also Fig. 2 and Fig. 3, the interpolar connecting line construction of high-speed synchronous rotor of the present utility model, comprise rotating shaft 1, be sleeved on yoke 2 in the rotating shaft 1, four the uniform magnetic pole 31,32 of yoke 2 outer surfaces and pole coils 41,42,43,44 on the magnetic pole 31,32,33,34 respectively of being installed in, wherein
The vacant lot of putting on the shelf on the surface of the rotating shaft 1 of pressing close to yoke 2 one end faces is provided with the connection copper bar 5 of a ring-type, and this connection row 5 is built on stilts by a plurality of lip-deep bakelite pieces of rotating shaft 16 that are fixed in uniform way;
The top sub of two pole coils 41,43 that are provided with at interval is respectively from drawing near the end face that connects copper bar 5, top sub 40 is connected by the upper end of silver soldering with a L shaped busbar 8 respectively, the lower end of this L shaped busbar 8 by radial bolts 7 be connected the upper surface that connects copper bar 5 and be connected copper bar 5 and be fixed in the lump in the rotating shaft 1.The bottom joint of these two pole coils 41,43 that are provided with at interval is connected with the external electric cable of introducing with the top sub of other two pole coils 42,44 that are provided with at interval, the bottom joint of two pole coils 42,44 that are provided with at interval also connects row 5 from drawing and guide near the end face that connects copper bar 5 in addition, is fixed on together in the rotating shaft 1 with bolt 7 and bakelite plate 6 again.
Also be provided with bakelite piece 9 between the top of connection copper bar 5 and each radial bolts 7.
The interpolar connecting line construction of high-speed synchronous rotor of the present utility model, because it is built on stilts by bakelite piece 6 to connect row 5, so whole connector need not insulation, therefore this connecting line construction is simple and be convenient to operation, and the joint tie point of the close yoke 2 between pole coil is reliably guaranteed at machinery and electric insulation, make this ring weak in the rotor of salient pole type four utmost point motors, promoted a step from designing quality.
By the secure fixation of bolt 7 radially being connected the Stress calculation of copper bar 5, the stress that draws radial bolts 7 is significantly smaller than the allowable stress of general bolt in addition.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the utility model, and be not to be used as qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in claims scope of the present utility model variation, the modification of the above embodiment.
Claims (3)
1. the interpolar connecting line construction of a high-speed synchronous rotor, comprise rotating shaft, be sleeved on the yoke in the rotating shaft, four uniform is installed in the magnetic pole of yoke outer surface and the pole coil on the magnetic pole, it is characterized in that, the vacant lot of putting on the shelf on the surface of the described rotating shaft of pressing close to described yoke one end face is provided with the connection copper bar of a ring-type, the top sub of described two pole coils that are provided with is at interval drawn from the end face near described connection copper bar respectively, and be connected on the described connection copper bar by a L shaped busbar respectively, this connection copper bar is fixed in the described rotating shaft with some radial bolts, the bottom joint of described these two pole coils that are provided with at interval is connected with the external electric cable of introducing with the top sub of other two pole coils that are provided with at interval, and the bottom joint of two pole coils that are provided with at interval is also from drawing near the end face of described connection copper bar and connecting with the described copper bar that is connected in addition.
2. the interpolar connecting line construction of high-speed synchronous rotor according to claim 1, it is characterized in that, the top sub of described two pole coils that are provided with at interval is connected with the upper end of described L shaped busbar by silver soldering respectively, and the lower end of this L shaped busbar is connected described connection copper bar by described radial bolts and gets the upper surface and be fixed in the lump in the described rotating shaft with the described copper bar that is connected.
3. the interpolar connecting line construction of high-speed synchronous rotor according to claim 1 is characterized in that, described connection copper bar is built on stilts by a plurality of lip-deep bakelite pieces of described rotating shaft that are fixed in uniform way.And also be provided with the bakelite piece between the top of connection copper bar and each the described radial bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201762729U CN202085012U (en) | 2011-05-27 | 2011-05-27 | Interpolar wire connecting structure for high-speed synchronous motor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201762729U CN202085012U (en) | 2011-05-27 | 2011-05-27 | Interpolar wire connecting structure for high-speed synchronous motor rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202085012U true CN202085012U (en) | 2011-12-21 |
Family
ID=45345629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201762729U Expired - Lifetime CN202085012U (en) | 2011-05-27 | 2011-05-27 | Interpolar wire connecting structure for high-speed synchronous motor rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202085012U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102624161A (en) * | 2012-03-08 | 2012-08-01 | 山东华力电机集团股份有限公司 | Wire outgoing method of high-voltage winding motor rotor |
| CN103595167A (en) * | 2013-11-29 | 2014-02-19 | 国家电网公司 | 200MW unit rotor magnetic pole lead wire structure and treatment process thereof |
-
2011
- 2011-05-27 CN CN2011201762729U patent/CN202085012U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102624161A (en) * | 2012-03-08 | 2012-08-01 | 山东华力电机集团股份有限公司 | Wire outgoing method of high-voltage winding motor rotor |
| CN102624161B (en) * | 2012-03-08 | 2014-01-29 | 山东华力电机集团股份有限公司 | Wire outgoing method of high-voltage winding motor rotor |
| CN103595167A (en) * | 2013-11-29 | 2014-02-19 | 国家电网公司 | 200MW unit rotor magnetic pole lead wire structure and treatment process thereof |
| CN103595167B (en) * | 2013-11-29 | 2015-12-02 | 国家电网公司 | A kind of 200MW unit rotor magnetic pole pin configuration and treatment process thereof |
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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 |
Granted publication date: 20111221 |
|
| CX01 | Expiry of patent term |