CN202282660U - Bulb type generator stator core V-shaped rib open-pore radial ventilation structure - Google Patents
Bulb type generator stator core V-shaped rib open-pore radial ventilation structure Download PDFInfo
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- CN202282660U CN202282660U CN2011203147480U CN201120314748U CN202282660U CN 202282660 U CN202282660 U CN 202282660U CN 2011203147480 U CN2011203147480 U CN 2011203147480U CN 201120314748 U CN201120314748 U CN 201120314748U CN 202282660 U CN202282660 U CN 202282660U
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- stator core
- plates
- shaped rib
- gusset
- fanning strips
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Abstract
The utility model provides a bulb type generator stator core V-shaped rib open-pore radial ventilation structure, characterized in that a stator core formed by laminating a stator engine base wallboard and a plurality of fanning strips forms the basic structure of the bulb type generator stator core V-shaped rib open-pore radial ventilation structure, a plurality of V-shaped rib plates are fixedly arranged on the inner side of a cylindrical wallboard formed by flange welding a steel plate, and the left and right sides of the V-shaped rib plates are both equipped with air vents; annular comb-shaped plates are fixedly arranged on the V-shaped rib plates and are equipped with the plurality of fanning strips, a radial ventilation slot sheet formed by assembling and welding a ventilation slot steel and the fanning strips is arranged in the stator core formed by code compressing the fanning strips, and supporting plates are fixedly arranged on the V-shaped rib plates; the supporting plates are fixedly equipped with positioning rib supporting blocks on which positioning ribs are fixedly arranged, the annular comb-shaped plates are equipped with the plurality of fanning strips and are fixedly assembled with the V-shaped rib plates as one via the positioning ribs, and lower teeth pressure plates are attached to the annular comb-shaped plates; a tensioning screw rod is equipped with a nut matching the tensioning screw rod and penetrates upper teeth pressure plates, the stator core and the lower teeth pressure plates to match the nut and compress the stator core, and the upper teeth pressure plates are equipped with adjusting bolts.
Description
Technical field
The utility model belongs to generator designs manufacturing technology field, especially relates to a kind of bulb type generator stator core V-arrangement muscle perforate radial ventilation structure.
Background technology
At present, along with emerging in large numbers of low-head hydroelectric plant, require increasing to the bulb through-flow generator capacity.And the user is also more and more stricter to requiring in the operating efficiency of bulb type generator, useful life etc.And existing bulb type generator: the one, the adherent structure of stator core, the 2nd, stator core axial ventilation V-arrangement muscle structure, required cooling and the cooling of super large heat energy that super-large current produced when these two kinds of structures all can not satisfy the vast capacity generator operation.
Summary of the invention
The purpose of the utility model provides a kind of structure optimization, the bulb-type stator core V-arrangement muscle perforate radial ventilation structure of good cooling results.
The technical scheme of the utility model is: the utility model provides a kind of big capacity bulb type generator stator core disc spring pressing structure, and it is characterized in that: the tubular wallboard inboard that is welded into roll of steel plate is fixed with several gusset of nothing that is in the shape of the letter V, and is open-celled structure.The iron core of being made up of countless fanning strips is in addition axially being installed multilayer ventilation fanning strip, and the ventilation fanning strip is an one by fanning strip and ventilation slot welding.During chip with the ventilation fanning strip uniformly sign indicating number in iron core, i.e. radial ventilation hole.The draft type of iron core is a radial ventilation, has increased draught area greatly, and the V-arrangement muscle is opened the structure of ventilation hole, has reduced the windage of cooling air greatly, further improves the cooling effect of motor.This structure has made full use of V-arrangement muscle inner space; Reduce the characteristics of wind-warm syndrome with river temperature; Promptly embodied the advantage of the adherent structure of stator core; Also enlarge simultaneously the advantage of V-arrangement muscle structure, promptly increased the cooling space between support and the iron core, guaranteed the rigidity and the intensity of heavy-duty generator out frame again.
A kind of bulb type generator stator core V-arrangement muscle perforate radial ventilation structure; It is characterized in that: it constitutes its basic structure by the stator core that out frame wallboard and countless fanning strips laminate, and is fixed with several gusset of nothing that is in the shape of the letter V in the tubular wallboard inboard that is welded into roll of steel plate, is equipped with ventilation hole about the V-arrangement gusset; On the V-arrangement gusset, be fixed with annular pectinate plate; On the annular pectinate plate countless fanning strips are installed, in the stator core that is pressed into by the fanning strip sign indicating number, are equipped with, be fixed with supporting plate on the V-type gusset by ventilation channel-section steel and the fan-shaped radial ventilation slotted vane that is welded on chip; On supporting plate, be fixed with the positioning bar tray; On the positioning bar tray, be fixed with positioning bar, countless fanning strips be installed on the annular pectinate plate be loaded into one through positioning bar and V-type gusset, annular pectinate plate is pasted with down tooth support; Stretching screw is provided with nut engaged with it; Stretching screw passes tooth support, stator core, tooth support cooperates with nut down, compresses stator core, and last tooth support is provided with the adjustment bolt.
Advantage of the utility model and beneficial effect: the structure of the utility model stator core V-arrangement muscle perforate radial ventilation; Because good ventilation effect; Reduced the thermal expansion of stator core, the buoyancy effect of V-arrangement muscle can make stator core obtain better concentricity in addition.The enhancing of support rigidity can prevent the vibration of stator core effectively simultaneously.Thereby the operating efficiency and the useful life of heavy-duty generator have been guaranteed.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 Figure 1A-A direction part section structural representation.
Among the figure:
1, out frame wallboard 2, V-arrangement gusset 3, annular pectinate plate 4, last tooth support
5, supporting plate 6, positioning bar tray 7, positioning bar 8, stator core
9, radial ventilation slotted vane 10, following tooth support 11, stretching screw 12, nut
13, adjustment bolt
Embodiment
Like Fig. 1,2, shown in the novel structural representation of this usefulness, the utility model provides a kind of bulb type generator stator core V-arrangement muscle perforate radial ventilation structure.It is characterized in that: it is characterized in that: it constitutes its basic structure by the stator core 8 that out frame wallboard 1 and countless fanning strips laminate.Be fixed with several gusset of nothing that is in the shape of the letter V in the tubular wallboard inboard that is welded into roll of steel plate, be equipped with ventilation hole about V-arrangement gusset 2.On V-arrangement gusset 2, be fixed with annular pectinate plate 3; On the annular pectinate plate 3 countless fanning strips are installed; In the stator core that is pressed into by the fanning strip sign indicating number 8, be equipped with by ventilation channel-section steel and the fan-shaped radial ventilation slotted vane 9 that is welded on chip, be fixed with supporting plate 5 on the V-type gusset 2, on supporting plate 5, be fixed with positioning bar tray 6; On positioning bar tray 6, be fixed with positioning bar 7, countless fanning strips be installed on the annular pectinate plate 3 be loaded into one through positioning bar 7 and V-type gusset 2.Annular pectinate plate 3 is close to tooth support 10 down, and stretching screw 11 is provided with nut engaged 12 with it, and stretching screw 11 passes tooth support 4, stator core 8, tooth support 10 cooperates with nut 12 down, compresses stator core 8, and last tooth support 4 is provided with adjustment bolt 13.
Ventilation hole on the said V-arrangement gusset 2 is square ventilation hole.
The course of work of the utility model: the inboard at the out frame wallboard 1 that is welded into by roll of steel plate is welded with V-arrangement gusset 2, and V-arrangement gusset 2 both sides have several ventilation holes.Tens layers is housed by ventilation channel-section steel and the fan-shaped radial ventilation slotted vane 9 that is welded on chip in the stator core 8 that is pressed into by fan-shaped steel disc sign indicating number.Cold wind is sent into stator core 8 radial passages by blower fan and is got into each wind hole of V-arrangement muscle, iron core back during generator operation, utilizes the axially directed effect of V-arrangement muscle, and wind is come out to cool off at the entering air cooler through end line rod by last urticaria hole, circulates with this.So just make full use of the characteristics that V-arrangement muscle inner space and river temperature reduce wind-warm syndrome, reduced the windage of cooling air.Further improve the cooling effect of motor.Good ventilation effect can reduce the thermal expansion of stator core 8, and the buoyancy effect of V-arrangement muscle has prevented the distortion and the distortion of iron core effectively in addition, and then has guaranteed the concentricity of stator core 8 more.Dress welds by annular pectinate plate 3 on V-arrangement gusset 2 in addition; On the annular pectinate plate 3 tooth support 4 is housed; On last tooth support 4, stator core 8 is housed; In the downstream of stator core 8 tooth support 10 down is housed, also dress is welded with supporting plate 5 and positioning bar tray 6 on V-arrangement gusset 2, and positioning bar 7 dresses are welded in 6 li on positioning bar tray.Whole iron core just is fixed on the positioning bar 7.The axial restraint of stator core 8 is by annular pectinate plate 3, go up tooth support 4, the stretching screw 11 of tooth support 10 and fastening nut 13 guarantees down.Tighten adjustment bolt 12 at last, guaranteed that stator core 8 tooth portions flick in reasonable range.
More than the embodiment of the utility model is specified, but said content is merely the preferred embodiment of the utility model, can not be considered to be used to limit the practical range of the utility model.All equalizations of doing according to the utility model application range change and improve etc., all should still belong within the patent covering scope of the utility model.
Claims (2)
1. bulb type generator stator core V-arrangement muscle perforate radial ventilation structure; It is characterized in that: it constitutes its basic structure by the stator core that out frame wallboard and countless fanning strips laminate, and is fixed with several gusset of nothing that is in the shape of the letter V in the tubular wallboard inboard that is welded into roll of steel plate, is equipped with ventilation hole about the V-arrangement gusset; On the V-arrangement gusset, be fixed with annular pectinate plate; On the annular pectinate plate countless fanning strips are installed, in the stator core that is pressed into by the fanning strip sign indicating number, are equipped with, be fixed with supporting plate on the V-type gusset by ventilation channel-section steel and the fan-shaped radial ventilation slotted vane that is welded on chip; On supporting plate, be fixed with the positioning bar tray; On the positioning bar tray, be fixed with positioning bar, countless fanning strips be installed on the annular pectinate plate be loaded into one through positioning bar and V-type gusset, annular pectinate plate is pasted with down tooth support; Stretching screw is provided with nut engaged with it; Stretching screw passes tooth support, stator core, tooth support cooperates with nut down, compresses stator core, and last tooth support is provided with the adjustment bolt.
2. bulb type generator stator core V-arrangement muscle perforate radial ventilation structure according to claim 1, it is characterized in that: the ventilation hole on the said V-arrangement gusset is square ventilation hole.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011203147480U CN202282660U (en) | 2011-08-26 | 2011-08-26 | Bulb type generator stator core V-shaped rib open-pore radial ventilation structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011203147480U CN202282660U (en) | 2011-08-26 | 2011-08-26 | Bulb type generator stator core V-shaped rib open-pore radial ventilation structure |
Publications (1)
Publication Number | Publication Date |
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CN202282660U true CN202282660U (en) | 2012-06-20 |
Family
ID=46228811
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2011203147480U Expired - Fee Related CN202282660U (en) | 2011-08-26 | 2011-08-26 | Bulb type generator stator core V-shaped rib open-pore radial ventilation structure |
Country Status (1)
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CN (1) | CN202282660U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104617690A (en) * | 2015-03-04 | 2015-05-13 | 哈尔滨电机厂有限责任公司 | Overflowing fanning strip for strengthening cooling of motor stator |
CN108054843A (en) * | 2017-12-29 | 2018-05-18 | 东方电气集团东方电机有限公司 | A kind of bulb through-flow electricity generator stator stand structure |
CN111446786A (en) * | 2019-01-17 | 2020-07-24 | 本田技研工业株式会社 | Rotating electrical machine |
-
2011
- 2011-08-26 CN CN2011203147480U patent/CN202282660U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104617690A (en) * | 2015-03-04 | 2015-05-13 | 哈尔滨电机厂有限责任公司 | Overflowing fanning strip for strengthening cooling of motor stator |
CN108054843A (en) * | 2017-12-29 | 2018-05-18 | 东方电气集团东方电机有限公司 | A kind of bulb through-flow electricity generator stator stand structure |
CN108054843B (en) * | 2017-12-29 | 2018-12-07 | 东方电气集团东方电机有限公司 | A kind of bulb through-flow electricity generator stator stand structure |
CN111446786A (en) * | 2019-01-17 | 2020-07-24 | 本田技研工业株式会社 | Rotating electrical machine |
CN111446786B (en) * | 2019-01-17 | 2022-10-04 | 本田技研工业株式会社 | Rotating electrical machine |
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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: 20120620 Termination date: 20120826 |