CN201754542U - Machining mold for excircle of magnetic pole pressure plate of generator - Google Patents
Machining mold for excircle of magnetic pole pressure plate of generator Download PDFInfo
- Publication number
- CN201754542U CN201754542U CN2010202759127U CN201020275912U CN201754542U CN 201754542 U CN201754542 U CN 201754542U CN 2010202759127 U CN2010202759127 U CN 2010202759127U CN 201020275912 U CN201020275912 U CN 201020275912U CN 201754542 U CN201754542 U CN 201754542U
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- holes
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- pole end
- placenta
- annulus
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Abstract
The utility model relates to a machining mold for excircle of a magnetic pole pressure plate of a generator. Two round pin holes and two threaded holes are machined on a circular mold disc; the two round pin holes and the two threaded holes are respectively concentric with four screw rod holes of a magnetic pole pressure plate semi-finished product; the two round pin holes are respectively connected with the small ends of two locating pins in interference fit; and the large ends of the locating pins are in transitional fit with the screw rod holes of the magnetic pole pressure plate semi-finished product. A bolt is in clearance fit with the screw rod holes of the magnetic pole pressure plate semi-finished product, and the threaded end of the bolt is meshed with the threaded holes. The two round pin holes and the two threaded holes arranged at four corners of the rectangle form a four hole combination which is symmetrical to the center of the circular mold disc, and a circular array is uniformly distributed on the circular mold disc. The utility model has the advantages that the marking procedure can be saved if the machining mold is matched with a lathe, the machining efficiency and precision are high, and the batch machining is convenient.
Description
Technical field
The utility model relates to a kind of cylindrical processing mold of fanning strip, particularly a kind of generator magnetic pole pressing plate cylindrical processing mold.
Background technology
The hydraulic generator pole end-plate is fan-shaped, and pole end-plate is provided with four pole core stretching screw holes 7 that processed and T shape dovetail, and the center of circle of four screw holes 7 is positioned at rectangular four jiaos.The conventional method of process water turbine generator pole end-plate cylindrical is: line earlier, and again with slotting machine processing, complex procedures, the process-cycle is long, labour intensity is big, and precision is difficult to guarantee.
Summary of the invention
But the purpose of this utility model provides and a kind ofly saves time, laborsaving, work efficiency is high, quality well and the generator magnetic pole pressing plate cylindrical of batch machining processing mold, also be applicable to the cylindrical of non-circular plates such as processing is fan-shaped.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of generator magnetic pole pressing plate cylindrical processing mold, comprise pole end-plate semi-finished product and annulus placenta, described pole end-plate semi-finished product are provided with four screw holes and the T shape dovetail of having processed, and the center of circle of half-finished four screw holes of pole end-plate is positioned at rectangular four jiaos; The exradius of pole end-plate is R, and the total height of pole end-plate is H, and the T shape dovetail height of pole end-plate is h.Be processed with two pin hole and two screwed holes on described annulus placenta, two pin hole and two screwed holes are concentric respectively with half-finished four screw holes of described pole end-plate; Wherein the center of circle of two pin hole is positioned at cornerwise two ends of half-finished four the screw hole place rectangles of described pole end-plate; The center of circle of two screwed holes is positioned at half-finished four another the cornerwise two ends of screw hole place rectangle of described pole end-plate.Described two pin hole are connected with the small end interference fit of two alignment pins respectively, the half-finished screw hole interference fits of the big end of alignment pin and described pole end-plate.The half-finished screw hole matched in clearance of bolt and pole end-plate, the end of thread of bolt and the engagement of described screwed hole.Two pin hole and two screwed holes of being positioned at four jiaos of described rectangles constitute the combination of four holes, and the combination of described four holes is symmetrical in the center of annulus placenta, and annular array is uniform to be arranged on the described annulus placenta.(6～10mm), (10～15mm), the thickness B of annulus placenta=20～50mm is to adapt to the required rigidity of turning process and to be installed in securely on the chuck of lathe for the inner diameter d=D-of annulus placenta (H-h) * 2-for the outer diameter D=2R-of described annulus placenta.Half-finished four screw holes of described pole end-plate are respectively with to constitute two pin hole and two screwed holes of four holes combination corresponding one by one on the described annulus placenta, the pole end-plate semi-finished product are by two alignment pins and two bolts, be symmetrical in the center of annulus placenta, annular array is uniform to be installed on the described annulus placenta.
The beneficial effects of the utility model are: with traditional line earlier, compare with the slotting machine method for processing again, omit crossed process, machined into efficient is than slotting machine height, and the cylindrical precision that car goes out is higher, fineness is better; Be convenient to once clamp, batch machining, save time, laborsaving, work efficiency is high.Also be applicable to the cylindrical of processing non-circular plate such as fan-shaped.
Description of drawings
Fig. 1 is the structural representation of pole end-plate.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is the structural representation of annulus placenta.
Fig. 4 is the C-C cutaway view of Fig. 3.
To be that the pole end-plate annular array is uniform be installed in schematic diagram on the annulus placenta to Fig. 5.
Fig. 6 is the D-D cutaway view of Fig. 5.
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
Embodiment is shown in Fig. 1-6: a kind of generator magnetic pole pressing plate cylindrical processing mold comprises fan-shaped pole end-plate semi-finished product 1 and annulus placenta 4.Described pole end-plate semi-finished product 1 are provided with four screw holes 7 and the T shape dovetail of having processed, and cylindrical is to be processed; The center of circle of four screw holes 7 is positioned at rectangular four jiaos.It is concentric respectively with four screw holes 7 of pole end-plate semi-finished product 1 to be processed with two pin hole 5 and 6, two pin hole 5 of two screwed holes and two screwed holes 6 on annulus placenta 4; Wherein the center of circle of two pin hole 5 is positioned at cornerwise two ends of four screw holes, 7 place rectangles of pole end-plate semi-finished product 1, and the center of circle of two screwed holes 6 is positioned at another cornerwise two ends of four screw holes, 7 place rectangles of pole end-plate semi-finished product 1.Two pin hole 5 are connected with the small end interference fit of two alignment pins 2 respectively, screw hole 7 interference fits of the big end of alignment pin 2 and pole end-plate semi-finished product 1.Screw hole 7 matched in clearance of bolt 3 and pole end-plate semi-finished product 1, the end of thread of bolt 3 and screwed hole 6 engagements.Two pin hole 5 and two screwed holes 6 of being positioned at four jiaos of rectangles constitute the combination of four holes, and the combination of four holes is symmetrical in the center of annulus placenta 4, and annular array is uniform to be arranged on the described annulus placenta 4.
With SF1250-12P/1730 hydraulic generator pole end-plate is example: the exradius R=536.87mm of pole end-plate, and the overall height H=308mm of pole end-plate, the T shape dovetail height of pole end-plate is h=90mm.
Outer diameter D=the 2R-of annulus placenta 4 (6～10mm)=2 * 536.87-8.74=1065mm, the inner diameter d=D-of annulus placenta 4 (H-h) * 2-(10～15mm)=1065-(308-90) * 2-14=615mm.Thickness B=the 30mm of annulus placenta 4 can satisfy the required rigidity of turning process and is convenient to be installed in securely on the chuck of lathe.
Four screw holes 7 of pole end-plate semi-finished product 1 are respectively with to constitute two pin hole 5 and two screwed holes 6 of four holes combination corresponding one by one on the annulus placenta 4; Pole end-plate semi-finished product 1 are symmetrical in the center of annulus placenta 4 by two alignment pins 2 and two bolts 3, and annular array is uniform to be installed on the annulus placenta 4.Ten pole end-plate semi-finished product 1 are by alignment pin 2 and bolt 3, are symmetrical centre with the center of circle of annulus placenta 4, and annular array is uniform to be installed on the annulus placenta 4; Once clamp, but ten pole end-plates of batch machining.
Claims (3)
1. a generator magnetic pole pressing plate cylindrical is processed mold, comprise pole end-plate semi-finished product (1), described pole end-plate semi-finished product (1) are provided with four screw holes (7) and the T shape dovetail of having processed, and the center of circle of four screw holes (7) of described pole end-plate semi-finished product (1) is positioned at rectangular four jiaos; The exradius of pole end-plate is R, and the total height of pole end-plate is H, and the T shape dovetail height of pole end-plate is h, it is characterized in that: also comprise annulus placenta (4), be processed with two pin hole (5) and two screwed holes (6) on described annulus placenta (4); Two pin hole (5) and two screwed holes (6) are concentric respectively with four screw holes (7) of described pole end-plate semi-finished product (1), and wherein the center of circle of two pin hole (5) is positioned at cornerwise two ends of rectangle, four screw holes (7) place of described pole end-plate semi-finished product (1); The center of circle of two screwed holes (6) is positioned at another cornerwise two ends of rectangle, four screw holes (7) place of described pole end-plate semi-finished product (1); Described two pin hole (5) are connected with the small end interference fit of two alignment pins (2) respectively, screw hole (7) interference fits of the big end of alignment pin (2) and described pole end-plate semi-finished product (1); Screw hole (7) matched in clearance of bolt (3) and pole end-plate semi-finished product (1), the end of thread of bolt (3) and described screwed hole (6) engagement; Two pin hole (5) and two screwed holes (6) that are positioned at four jiaos of described rectangles constitute the combination of four holes, and the combination of described four holes is symmetrical in the center of annulus placenta (4), and annular array is uniform to be arranged on the described annulus placenta (4).
2. a kind of generator magnetic pole pressing plate cylindrical processing mold according to claim 1, it is characterized in that: the outer diameter D=2R-(6～10mm) of described annulus placenta (4), inner diameter d=D-(the H-h) * 2-of annulus placenta (4) (10～15mm), the thickness B=20～50mm of annulus placenta (4).
3. a kind of generator magnetic pole pressing plate cylindrical processing mold according to claim 1 is characterized in that: four screw holes (7) of described pole end-plate semi-finished product (1), two pin hole (5) and two screwed holes (6) with the four holes combination of the last formation of described annulus placenta (4) respectively are corresponding one by one; Pole end-plate semi-finished product (1) are symmetrical in the center of annulus placenta (4) by two alignment pins (2) and two bolts (3), and annular array is uniform to be installed on the described annulus placenta (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202759127U CN201754542U (en) | 2010-07-29 | 2010-07-29 | Machining mold for excircle of magnetic pole pressure plate of generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202759127U CN201754542U (en) | 2010-07-29 | 2010-07-29 | Machining mold for excircle of magnetic pole pressure plate of generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201754542U true CN201754542U (en) | 2011-03-02 |
Family
ID=43622274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202759127U Expired - Fee Related CN201754542U (en) | 2010-07-29 | 2010-07-29 | Machining mold for excircle of magnetic pole pressure plate of generator |
Country Status (1)
| Country | Link |
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| CN (1) | CN201754542U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108673071A (en) * | 2018-07-27 | 2018-10-19 | 重庆水轮机厂有限责任公司 | A kind of processing method of motor poles pressing plate |
-
2010
- 2010-07-29 CN CN2010202759127U patent/CN201754542U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108673071A (en) * | 2018-07-27 | 2018-10-19 | 重庆水轮机厂有限责任公司 | A kind of processing method of motor poles pressing plate |
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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: 20110302 Termination date: 20130729 |