CN103872814A - Dovetail rib structure for segmental rotor - Google Patents
Dovetail rib structure for segmental rotor Download PDFInfo
- Publication number
- CN103872814A CN103872814A CN201210547339.4A CN201210547339A CN103872814A CN 103872814 A CN103872814 A CN 103872814A CN 201210547339 A CN201210547339 A CN 201210547339A CN 103872814 A CN103872814 A CN 103872814A
- Authority
- CN
- China
- Prior art keywords
- dove tail
- rotor
- tail muscle
- fanning strip
- dovetail slot
- 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
- 210000003205 muscle Anatomy 0.000 claims description 26
- 238000009434 installation Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 4
- 229910052742 iron Inorganic materials 0.000 claims 2
- 238000003475 lamination Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 description 4
- 230000000266 injurious effect Effects 0.000 description 3
- 238000004080 punching Methods 0.000 description 2
- 241000579971 Terebridae Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
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- Manufacture Of Motors, Generators (AREA)
Abstract
The invention relates to a large outer diameter rotor with a segmental structure, in particular to a radial plate shaft structure with the rotor outer diameter of 1,000mm. The structure comprises rotor segments with dovetail grooves, dovetail ribs, taper keys and high-strength bolts. The dovetail ribs are connected with radial plates through the high-strength bolts, rotor lamination is carried out on the dovetail ribs, the taper keys are formed in pairs after lamination, and a rotor core is tensioned. By adopting the structure, the condition that the rotor segments are thrown out during an overspeed test or after long-time operation can be avoided.
Description
Technical field
The rotor, the especially rotor diameter that the present invention relates to large external diameter fanning strip structure are greater than 6 utmost points of the disc axle construction of 1000mm, 8 utmost point asynchronous motors.
Background technology
At present, the asynchronous motor rotor of known large external diameter fanning strip structure, all adopts and beats the mode of taper key tensioner rotor core and axle assembling.This kind of structure exceedes 1000mm at rotor diameter, adopts fanning strip structure, and the higher motors of rotating speed such as while 6 utmost points or 8 utmost points cannot guarantee the safety and stability of rotor structure.After there is in process of production overspeed test, rotor diameter increases, the situation that causes whole rotor core to be scrapped.In the time of long-time use, also there is the problem of sweeping after external diameter change greatly.
Summary of the invention
The rotor injurious deformation producing in test and use procedure in order to overcome existing structure, the invention provides a kind of rotor structure, and this structure can guarantee that rotor, after overspeed test and long-time use procedure, any injurious deformation does not occur.
The technical solution adopted for the present invention to solve the technical problems is: rotor fanning strip upper punch dovetail slot, forged steel processing dove tail muscle is installed on rotor disc, on dove tail muscle, splines.Directly on dove tail muscle, carry out rotor chip, after chip, use taper key hammering, two inclined-planes of dove tail muscle are fully contacted with rotor core, the centrifugal force that while making it bear motor rotation, rotor core and rotating cage produce.
Technique effect of the present invention is: motor carries out after overspeed test or long-play, extracts rotor out and measures, and rotor diameter size does not change, and any injurious deformation does not appear in rotor.
Accompanying drawing explanation
Fig. 1 is rotor fanning strip drawing of the present invention, is 1. dovetail slot, and dove tail muscle will pass from dovetail slot; 2. for stretching screw is with hole, for stretching screw is installed; 3. for the keyway part in punching, for wearing taper key after rotor chip.
Fig. 2 is dove tail muscle design drawing of the present invention, is 1. the keyway part on dove tail muscle, for wearing taper key after chip; 2. be installing hole, calculate the bolt of different size by intensity, then require to provide φ hole dimension according to bolt size and installation accuracy.
Fig. 3 is that the present invention is arranged on the schematic diagram on disc axle, is 1. dove tail muscle; 2. be disc.
Embodiment
Below in conjunction with accompanying drawing and exemplifying embodiment, the present invention is further described.
Motor disc axle is processed, disc and dove tail muscle faying face are processed into smooth flat and auger shell hole is some as required.Determine dove tail muscle size and material according to rotor diameter, weight, rotating speed, as shown in Figure 2 processing.According to dove tail muscle shape and size design rotor punching (as shown in Figure 1).
When installation, first the dove tail muscle processing is arranged on disc as shown in Figure 3, then directly on disc axle, carries out 1/2 chip laminating, after chip, between dove tail muscle and rotor fanning strip, beat taper key tensioner.
Claims (8)
1. a fanning strip for the dove tail muscle structure of fanning strip rotor, comprising: on rotor fanning strip, have dovetail slot, and two stretching screws are with hole, also leave keyway position on dovetail slot simultaneously.
2. on fanning strip according to claim 1, dovetail slot position, on fanning strip vertical axis, has keyway at dovetail slot top simultaneously, and dovetail slot radial height is not more than the half that rotor yoke is high, and tightening bolt bar hole is positioned at the symmetric position of dovetail slot both sides.
3. dovetail slot bottom land and the notch on a kind of fanning strip according to claim 1 need to be designed R angle, the installation of dove tail muscle when so not only having eliminated stress but also being convenient to chip.
4. dovetail slot size on fanning strip according to claim 1, provide according to the technological level of calculating gained dove tail muscle size and our unit's code iron, cuts yard height and the width for iron tolerance, and direction is all greater than dove tail muscle 1mm.
5. a dove tail muscle for the dove tail muscle structure of fanning strip rotor, comprising: on dove tail muscle, have φ hole screw and be connected with disc, keyway is arranged at top.
6. dove tail muscle according to claim 5, needs to adopt forged steel, takes into full account the centrifugal force that motor produces when rotated, if needed or size-constrainedly consider to adopt special material.
7. dove tail muscle according to claim 5, is identified for bolt quantity on the each dove tail of the number muscle of the bolt that connects dove tail muscle and disc and is no less than 3, and two pitchs of bolts is from being no more than 400mm according to rotor core length.
8. on dove tail muscle according to claim 5, have keyway, according to parameter designing taper keies such as rotor core length, internal diameter, rotating speeds, taper key inclined-plane place fineness is required to be not less than 1.6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210547339.4A CN103872814A (en) | 2012-12-17 | 2012-12-17 | Dovetail rib structure for segmental rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210547339.4A CN103872814A (en) | 2012-12-17 | 2012-12-17 | Dovetail rib structure for segmental rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103872814A true CN103872814A (en) | 2014-06-18 |
Family
ID=50911062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210547339.4A Pending CN103872814A (en) | 2012-12-17 | 2012-12-17 | Dovetail rib structure for segmental rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103872814A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108092470A (en) * | 2017-12-20 | 2018-05-29 | 卧龙电气集团股份有限公司 | One breeding pigeon tail muscle processing positioning fixture |
| CN110445271A (en) * | 2019-09-05 | 2019-11-12 | 常州神力电机股份有限公司 | A kind of type fanning strip easy to disassemble of wind power generator rotor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6098836A (en) * | 1983-11-04 | 1985-06-01 | Hitachi Ltd | Rotor of rotary electric machine |
| JPH10150735A (en) * | 1996-11-19 | 1998-06-02 | Hitachi Ltd | Magnetic pole of rotating electric machine |
| CN1421980A (en) * | 2001-11-29 | 2003-06-04 | 株式会社日立制作所 | electric motor |
| CN2563814Y (en) * | 2002-09-03 | 2003-07-30 | 永济电机厂 | Salient-pole synchronous motor |
| CN102005842A (en) * | 2010-10-29 | 2011-04-06 | 无锡哈电电机有限公司 | Large asynchronous motor rotor fanning strip lamination structure |
| CN203301254U (en) * | 2012-12-17 | 2013-11-20 | 泰豪沈阳电机有限公司 | Dove tail rib structure of fan-shaped sheet rotor |
-
2012
- 2012-12-17 CN CN201210547339.4A patent/CN103872814A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6098836A (en) * | 1983-11-04 | 1985-06-01 | Hitachi Ltd | Rotor of rotary electric machine |
| JPH10150735A (en) * | 1996-11-19 | 1998-06-02 | Hitachi Ltd | Magnetic pole of rotating electric machine |
| CN1421980A (en) * | 2001-11-29 | 2003-06-04 | 株式会社日立制作所 | electric motor |
| CN2563814Y (en) * | 2002-09-03 | 2003-07-30 | 永济电机厂 | Salient-pole synchronous motor |
| CN102005842A (en) * | 2010-10-29 | 2011-04-06 | 无锡哈电电机有限公司 | Large asynchronous motor rotor fanning strip lamination structure |
| CN203301254U (en) * | 2012-12-17 | 2013-11-20 | 泰豪沈阳电机有限公司 | Dove tail rib structure of fan-shaped sheet rotor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108092470A (en) * | 2017-12-20 | 2018-05-29 | 卧龙电气集团股份有限公司 | One breeding pigeon tail muscle processing positioning fixture |
| CN110445271A (en) * | 2019-09-05 | 2019-11-12 | 常州神力电机股份有限公司 | A kind of type fanning strip easy to disassemble of wind power generator rotor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140618 |