CN110460206A - A kind of electric machine stator iron Prepressing working - Google Patents
A kind of electric machine stator iron Prepressing working Download PDFInfo
- Publication number
- CN110460206A CN110460206A CN201910737878.6A CN201910737878A CN110460206A CN 110460206 A CN110460206 A CN 110460206A CN 201910737878 A CN201910737878 A CN 201910737878A CN 110460206 A CN110460206 A CN 110460206A
- Authority
- CN
- China
- Prior art keywords
- support baseboard
- arc
- shaped edges
- prefabricating plate
- threaded hole
- 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.)
- Pending
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 13
- 238000003475 lamination Methods 0.000 claims abstract description 7
- 230000003245 working effect Effects 0.000 abstract description 3
- 238000004080 punching Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The present invention provides a kind of electric machine stator iron Prepressing workings, including support baseboard is circular arc tabular, and a pair of corresponding both sides are the identical arc-shaped edges of radian, and the corresponding both sides of another pair are symmetrically arranged straight flange, offer the first threaded hole on support baseboard；The surface of support baseboard is equipped with boss, and an arc-shaped edges of boss and the shorter arc-shaped edges of support baseboard coincide, and another arc-shaped edges of boss are not overlapped with the longer arc-shaped edges of support baseboard and radian is identical；Prefabricating plate, prefabricating plate are pressed on lamination, and prefabricating plate is equipped with the second threaded hole corresponding with the first threaded hole；Double threaded screw sequentially passes through the first threaded hole of the second threaded hole of prefabricating plate, iron core and support baseboard, the threaded one end that double threaded screw is located at prefabricating plate is connected in the first fastening nut, and the other end that double threaded screw is located at support baseboard is threaded in the second fastening nut.The stacking factor of iron core can be improved in the present invention.
Description
Technical field
The invention belongs to split-type generator stator core Prepressing workings, are more particularly to a kind of large-scale permanent magnet wind generating
Machine split-type stator core Prepressing working.
Background technique
Large-scale permanent-magnetic wind driven generator split-type stator core is laminated by punching, during lamination, is often folded several
Section need to carry out precompressed to punching, the iron core Prepressing working at present without such split-type stator, therefore need to design one kind and can be realized
The tooling of this split-type stator precompressed.
Summary of the invention
The object of the present invention is to provide a kind of electric machine stator iron Prepressing workings of achievable split-type stator precompressed.
According to an aspect of the invention, there is provided a kind of electric machine stator iron Prepressing working, a kind of electric machine stator iron
Prepressing working, support baseboard are circular arc tabular, and a pair of corresponding both sides are the identical arc-shaped edges of radian, wherein a circle
The length of arc side is greater than the length of another arc-shaped edges, and the corresponding both sides of another pair are symmetrically arranged straight flange, the support bottom
The first threaded hole is offered on plate；
The surface of the support baseboard is equipped with boss, and arc-shaped edges of the boss are shorter with the support baseboard
Arc-shaped edges coincide, another arc-shaped edges of the boss are not overlapped with the longer arc-shaped edges of the support baseboard and radian
It is identical；
Prefabricating plate, the prefabricating plate are pressed on the lamination, and the prefabricating plate is equipped with opposite with first threaded hole
The second threaded hole answered；
Double threaded screw sequentially passes through the of the second threaded hole of the prefabricating plate, the iron core and the support baseboard
One threaded hole, the threaded one end that the double threaded screw is located at the prefabricating plate are connected in first fastening nut, described double
The other end that head screw rod is located at the support baseboard is threaded in second fastening nut.
In some embodiments, it is equipped with the first gasket between first fastening nut and the prefabricating plate, described the
The second gasket is equipped between two fastening nuts and the support baseboard.
In some embodiments, the iron core is formed by stacking by multi-layer stacks.
It has the advantage that: large directly driven permanent magnet wind generating split-type stator core carries out precompressed using this tooling,
Support baseboard and prefabricating plate pair are realized by controlling the Tightening moment of fastening nut by using the double threaded screw of different length
Iron core is stepped up, to improve the stacking factor of iron core.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the electric machine stator iron Prepressing working of an embodiment of the present invention；
Fig. 2 is the A of the electric machine stator iron Prepressing working of an embodiment of the present invention to schematic cross-sectional view.
Specific embodiment
Fig. 1 and Fig. 2 schematically shows the electric machine stator iron Prepressing working of one embodiment of the present invention.Such as figure
Shown in 1 and Fig. 2, which includes support baseboard 4, prefabricating plate 6 and double threaded screw 1.
Support baseboard 4 is circular arc tabular.A pair of corresponding both sides are the identical arc-shaped edges of radian, wherein an arc-shaped edges
Length be greater than another arc-shaped edges length, the corresponding both sides of another pair be symmetrically arranged straight flange.The surface of support baseboard 4
It is equipped with boss 41.The shorter arc-shaped edges of the arc-shaped edges and support baseboard 4 of boss 41 coincide, and another of boss 41
Arc-shaped edges are not overlapped with the longer arc-shaped edges of support baseboard 4 and radian is identical.Electric machine stator iron 5 is superimposed by multilayer punching
It forms.The work area of support baseboard 4 is greater than the end area of iron core.More than first the second screw thread is offered on support baseboard 4
Hole.The second threaded hole on support baseboard 4 is corresponding with the slot of punching.There are three second threaded hole is set.Prefabricating plate 6 is pressed in lamination
On.The second threaded hole corresponding with the first threaded hole is offered on prefabricating plate 6.The second threaded hole and punching on prefabricating plate 6
Slot it is corresponding.Double threaded screw 1 sequentially passes through the second of the first threaded hole of prefabricating plate 6, multi-layer stacks iron core 5 and support baseboard 4
Threaded hole.The threaded one end that double threaded screw 1 is located at prefabricating plate 6 is connected in the first fastening nut 8.Double threaded screw 1 is located at support
The other end of bottom plate 4 is threaded in the second fastening nut 2.Double threaded screw 1 is different lengths specification, is adaptable to different rule
The electronics iron core Prepressing working of lattice.Be equipped with the first gasket 7 between first fastening nut 8 and prefabricating plate 6, the second fastening nut 2 with
The second gasket 3 is equipped between support baseboard 4.
Firstly, first placing support baseboard before lamination, lamination operation is carried out in the boss face of support baseboard 4, is stacked to needs
The height of precompressed lifts prefabricating plate 6, is penetrated in support baseboard 4 and the corresponding hole of about 6 prefabricating plate with double threaded screw 1, by tight
Gu nut tenses support baseboard 4 and prefabricating plate 6, to achieve the effect that precompressed iron core 5.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, it should be understood by those ordinary skilled in the art that: still
It can modify to a specific embodiment of the invention or some technical features can be equivalently replaced；Without departing from this hair
The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.
Claims (3)
1. a kind of electric machine stator iron Prepressing working characterized by comprising
Support baseboard is circular arc tabular, and a pair of corresponding both sides are the identical arc-shaped edges of radian, wherein arc-shaped edges
Length is greater than the length of another arc-shaped edges, and the corresponding both sides of another pair are symmetrically arranged straight flange, opens on the support baseboard
Equipped with the first threaded hole；
The surface of the support baseboard is equipped with boss, an arc-shaped edges of the boss and the shorter circle of the support baseboard
Arc side coincides, and another arc-shaped edges of the boss are not overlapped with the longer arc-shaped edges of the support baseboard and radian phase
Together；
Prefabricating plate, the prefabricating plate are pressed on the lamination, and the prefabricating plate is equipped with corresponding with first threaded hole
Second threaded hole；
Double threaded screw sequentially passes through the second threaded hole of the prefabricating plate, the first spiral shell of the iron core and the support baseboard
Pit, the threaded one end that the double threaded screw is located at the prefabricating plate are connected in first fastening nut, the double end spiral shell
The other end that bar is located at the support baseboard is threaded in second fastening nut.
2. electric machine stator iron Prepressing working according to claim 1, which is characterized in that first fastening nut and institute
It states and is equipped with the first gasket between prefabricating plate, the second gasket is equipped between second fastening nut and the support baseboard.
3. electric machine stator iron Prepressing working according to claim 1, which is characterized in that the iron core is by multi-layer stacks
It is formed by stacking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910737878.6A CN110460206A (en) | 2019-08-12 | 2019-08-12 | A kind of electric machine stator iron Prepressing working |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910737878.6A CN110460206A (en) | 2019-08-12 | 2019-08-12 | A kind of electric machine stator iron Prepressing working |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110460206A true CN110460206A (en) | 2019-11-15 |
Family
ID=68485822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910737878.6A Pending CN110460206A (en) | 2019-08-12 | 2019-08-12 | A kind of electric machine stator iron Prepressing working |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110460206A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003023738A (en) * | 2001-07-06 | 2003-01-24 | Mitsubishi Electric Corp | Stator core device for dynamo-electric machine |
| CN201766464U (en) * | 2009-12-30 | 2011-03-16 | 南车株洲电力机车有限公司 | Large-sized motor stator lamination prepressing tooling |
| CN102510182A (en) * | 2011-11-19 | 2012-06-20 | 中电电机股份有限公司 | Auxiliary laminating device for segmental stator iron core |
| WO2013107127A1 (en) * | 2012-01-22 | 2013-07-25 | 浙江大学 | Segmented permanent-magnet synchronized motor rotor structure |
| CN203156246U (en) * | 2012-03-19 | 2013-08-28 | 江苏南车电机有限公司 | Stator core end face welding protection tool of large-scale permanent magnetic direct-driven wind turbine generator |
| CN105099102A (en) * | 2015-09-06 | 2015-11-25 | 中电电机股份有限公司 | Method and device for improving stator iron core superposition efficiency of impact generator |
| CN105356689A (en) * | 2015-12-07 | 2016-02-24 | 苏州工业职业技术学院 | Split type inner stator core lamination tool |
| CN107276339A (en) * | 2017-08-10 | 2017-10-20 | 江苏中车电机有限公司 | A kind of MW grades of rotor of direct-drive permanent magnet wind driven generator iron core laminating frock and its application method |
| CN206894453U (en) * | 2017-05-27 | 2018-01-16 | 南京汽轮电机长风新能源股份有限公司 | Rotor core is segmented Prepressing working |
| CN211089381U (en) * | 2019-08-12 | 2020-07-24 | 江苏中车电机有限公司 | Prepressing tool for motor stator core |
-
2019
- 2019-08-12 CN CN201910737878.6A patent/CN110460206A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003023738A (en) * | 2001-07-06 | 2003-01-24 | Mitsubishi Electric Corp | Stator core device for dynamo-electric machine |
| CN201766464U (en) * | 2009-12-30 | 2011-03-16 | 南车株洲电力机车有限公司 | Large-sized motor stator lamination prepressing tooling |
| CN102510182A (en) * | 2011-11-19 | 2012-06-20 | 中电电机股份有限公司 | Auxiliary laminating device for segmental stator iron core |
| WO2013107127A1 (en) * | 2012-01-22 | 2013-07-25 | 浙江大学 | Segmented permanent-magnet synchronized motor rotor structure |
| CN203156246U (en) * | 2012-03-19 | 2013-08-28 | 江苏南车电机有限公司 | Stator core end face welding protection tool of large-scale permanent magnetic direct-driven wind turbine generator |
| CN105099102A (en) * | 2015-09-06 | 2015-11-25 | 中电电机股份有限公司 | Method and device for improving stator iron core superposition efficiency of impact generator |
| CN105356689A (en) * | 2015-12-07 | 2016-02-24 | 苏州工业职业技术学院 | Split type inner stator core lamination tool |
| CN206894453U (en) * | 2017-05-27 | 2018-01-16 | 南京汽轮电机长风新能源股份有限公司 | Rotor core is segmented Prepressing working |
| CN107276339A (en) * | 2017-08-10 | 2017-10-20 | 江苏中车电机有限公司 | A kind of MW grades of rotor of direct-drive permanent magnet wind driven generator iron core laminating frock and its application method |
| CN211089381U (en) * | 2019-08-12 | 2020-07-24 | 江苏中车电机有限公司 | Prepressing tool for motor stator core |
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