CN108054843A - A kind of bulb through-flow electricity generator stator stand structure - Google Patents
A kind of bulb through-flow electricity generator stator stand structure Download PDFInfo
- Publication number
- CN108054843A CN108054843A CN201711474286.7A CN201711474286A CN108054843A CN 108054843 A CN108054843 A CN 108054843A CN 201711474286 A CN201711474286 A CN 201711474286A CN 108054843 A CN108054843 A CN 108054843A
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- China
- Prior art keywords
- section
- stretching out
- stent
- engine base
- tray
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention discloses a kind of bulb through-flow electricity generator stator stand structures, it is included in the stent of radially even arrangement in engine base wall, the stent is radially provided with section of stretching out to engine base center position, spacing is left between the axial both ends of the section of stretching out and engine base flange, the section of stretching out is tilted to the opposite direction in unit direction of rotation, multiple ring flat-plates are fixedly connected in the section of stretching out, the multiple ring flat-plate vertically arrange by spacing, tray is provided on the ring flat-plate, the tray coordinates with positioning bar, during stator-core lamination, not preset clearance between the positioning bar and tray.The present invention by using radially-arranged stent section of stretching out, the radial load generated from iron core thermal expansion being subject to when engine base is run, it is converted into tangential force, make not having to preset clearance between the tray of engine base and positioning bar, while stator core radial thermal expansion is not influenced, enhance the joint rigidity of iron core and engine base, reduce iron coring vibration, while simplify iron core laminating technology.
Description
Technical field
The invention belongs to bulb through-flow technical field of generators, more particularly to a kind of bulb through-flow electricity generator stator stand knot
Structure.
Background technology
As shown in Figure 1,2 and 3, existing bulb through-flow electricity generator stator stand structure is typically to weld V-type on engine base wall 1
Muscle 9, welds the ring flat-plate 5 disconnected mutually on the V-type muscle 9, and, tray 6 is by being segmented ring flat-plate 5 between each section of ring flat-plate independently of each other
Machined surface 10 be fixed on segmentation ring flat-plate 5, such engine base is in order to meet the requirement of 8 thermal expansion of stator core, it is necessary to fixed
During sub- 8 lamination of iron core, certain gap delta is reserved between positioning bar 7 and tray 6, and through-flow machine engine base and iron core are thin, individually
Rigidity it is all weaker, the circularity of overall stiffness and iron core so to stator can all generate certain influence, and make iron core
Lamination process complicates.
The content of the invention
It is an object of the invention to：In view of the above problems, stator core can not influenced radially by providing one kind
While thermal expansion, enhance the joint rigidity of iron core and engine base, reduce iron coring vibration, while simplify the light bulb of iron core laminating technology
Cross-flow generator stator stand structure.
The technical proposal of the invention is realized in this way：A kind of bulb through-flow electricity generator stator stand structure, is included in machine
The stent of radially even arrangement, the axial both ends of the stent are fixedly connected with engine base flange in seat wall, it is characterised in that：Institute
It states stent and engine base center position is radially provided with section of stretching out, left between the axial both ends of the section of stretching out and engine base flange
Spacing, the section of stretching out are tilted to the opposite direction in unit direction of rotation, and multiple ring flat-plates are fixedly connected in the section of stretching out,
The multiple ring flat-plate vertically arrange by spacing, and tray is provided on the ring flat-plate, and the tray coordinates with positioning bar, stator iron
During heart lamination, not preset clearance between the positioning bar and tray.
Bulb through-flow electricity generator stator stand structure of the present invention, the stent press certain angle by mainboard and subplate
Degree group is welded, and whole in y types, with being fixedly connected on the inside of engine base wall, afterbody is formed radially to machine on the head of y type stents
The section of stretching out of seat center extension, the axial both ends of the y types stent are fixedly connected with engine base flange, the section of stretching out that afterbody is formed
Both ends are not connected to engine base flange.
Bulb through-flow electricity generator stator stand structure of the present invention, the ring flat-plate use segmentation structure and stent
Section of stretching out be fixedly connected or slot in the section of stretching out of the stent, the ring flat-plate by the fluting in section of stretching out through,
And it is fixedly connected with the section of stretching out of stent.
Bulb through-flow electricity generator stator stand structure of the present invention, the tray are directly fixedly connected on ring flat-plate
On, one end of the positioning bar is arranged in the dovetail slot opened up on tray, and positioning bar end face and the dovetail slot bottom of tray
End face fits closely, and the other end of the positioning bar is arranged in the mounting groove of stator core.
Bulb through-flow electricity generator stator stand structure of the present invention, the radial thermal expansion power of the stator core according to
The secondary section of stretching out that stent is transferred to by positioning bar, tray and ring flat-plate, the section of stretching out stress of the stent generate torsional deflection, will
The radial load generated from stator core thermal expansion is converted into tangential force.
The present invention is in order to ensure that unit had not only met iron core thermal expansion requirement, but also can have enough stator stiffnesses, using radially
The section of stretching out of the stent of distribution, the radial load generated from iron core thermal expansion being subject to when engine base is run, is converted into tangential force,
The section of stretching out of stent generates torsional deflection, so that not having to preset clearance, iron core and engine base between the tray and positioning bar of engine base
Injurious deformation will not be all generated, which can integrate the finite stiffness of engine base and be applied on iron core, not influence stator iron
While heart radial thermal expansion, and unit normally operation and the rigid requirements needed for various accident conditions stators can be met.
Description of the drawings
Fig. 1 is existing bulb through-flow electricity generator stator stand structure diagram.
Fig. 2 is A-A sectional views in Fig. 1.
Fig. 3 is B portions enlarged drawing in Fig. 1.
Fig. 4 is the structure diagram of the present invention.
Fig. 5 is C-C sectional views in Fig. 4.
Fig. 6 is D portions enlarged drawing in Fig. 4.
It is marked in figure：1 is engine base wall, and 2 be stent, and 2a is mainboard, and 2b is subplate, and 3 be engine base flange, and 4 be section of stretching out, 5
It is tray for ring flat-plate, 6,7 be positioning bar, and 8 be stator core, and 9 be V-type muscle, and 10 be the machined surface of the ring flat-plate disconnected.
Specific embodiment
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Fig. 4,5 and 6, a kind of bulb through-flow electricity generator stator stand structure is included in engine base wall 1 radially
The stent 2 of even arrangement, the axial both ends of the stent 2 are fixedly connected with engine base flange 3, and the stent 2 is radially into engine base
Heart direction is provided with section of stretching out 4, and spacing, the section of stretching out 4 are left between the axial both ends of the section of stretching out 4 and engine base flange 3
The direction opposite to unit direction of rotation tilts, and multiple ring flat-plates 5, the multiple ring flat-plate 5 are fixedly connected in the section of stretching out 4
Spacing is arranged vertically, and axial arranged ring flat-plate quantity is determined by the arrangement requirement of positioning bar, and tray is provided on the ring flat-plate 5
6, the tray 6 coordinates with positioning bar 7, during 8 lamination of stator core, not preset clearance between the positioning bar 7 and tray 6.
In the present embodiment, the stent 2 is welded by mainboard 2a and subplate 2b by certain angle group, and whole is in y types,
The head of y type stents is fixedly connected with 1 inside of engine base wall, and afterbody forms the section of stretching out 4 radially extended to engine base center, institute
The axial both ends for stating y type stents are fixedly connected with engine base flange 3, and 4 both ends of section of stretching out that afterbody is formed do not connect with engine base flange 3
Connect, the ring flat-plate 5 is fixedly connected using segmentation structure with the section of stretching out 4 of stent 2, that is, the ring flat-plate both ends being segmented respectively with it is adjacent
The section of stretching out 4 of stent 2 links together, therefore there are still power between the adjacent ring flat-plate of segmental structure to transfer, and in the prior art
The ring-plane structure of disconnection and effect are entirely different；Or slot in the section of stretching out 4 of the stent 2, the ring flat-plate 5 is by section of stretching out
Through and being fixedly connected with the section of stretching out 4 of stent 2, in the structure design, the ring flat-plate is whole circle, in ring at fluting on 4
Plate is levelling with not having to process at tray cooperation.
Wherein, the tray 6 is directly fixedly connected on ring flat-plate 5, and one end of the positioning bar 7, which is arranged on tray 6, opens
If dovetail slot in, and 7 end face of positioning bar and the dovetail slot bottom end face of tray 6 fit closely, the other end of the positioning bar 7
It is arranged in the mounting groove of stator core 8.The radial thermal expansion power of the stator core 8 passes sequentially through positioning bar 7,6 and of tray
Ring flat-plate 5 is transferred to the section of stretching out 4 of stent 2, and 4 stress of section of stretching out of the stent 2 generates torsional deflection, will come from stator core 8
The radial load that thermal expansion generates is converted into tangential force.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of bulb through-flow electricity generator stator stand structure, is included in engine base wall（1）The stent of interior radially even arrangement
（2）, the stent（2）Axial both ends and engine base flange（3）It is fixedly connected, it is characterised in that：The stent（2）Radially to
Engine base center position is provided with section of stretching out（4）, the section of stretching out（4）Axial both ends and engine base flange（3）Between leave spacing,
The section of stretching out（4）The direction opposite to unit direction of rotation tilts, in the section of stretching out（4）On be fixedly connected with multiple ring flat-plates
（5）, the multiple ring flat-plate（5）Spacing is arranged vertically, in the ring flat-plate（5）On be provided with tray（6）, the tray（6）With
Positioning bar（7）Cooperation, stator core（8）During lamination, the positioning bar（7）With tray（6）Between not preset clearance.
2. bulb through-flow electricity generator stator stand structure according to claim 1, it is characterised in that：The stent（2）By
Mainboard（2a）And subplate（2b）It is welded by certain angle group, it is whole in y types, head and the engine base wall of y type stents（1）Inside
It is fixedly connected, afterbody forms the section of stretching out radially extended to engine base center（4）, the axial both ends of the y types stent and machine
Seat flange（3）It is fixedly connected, the section of stretching out that afterbody is formed（4）Both ends and engine base flange（3）It is not connected to.
3. bulb through-flow electricity generator stator stand structure according to claim 1, it is characterised in that：The ring flat-plate（5）It adopts
With segmentation structure and stent（2）Section of stretching out（4）It is fixedly connected or in the stent（2）Section of stretching out（4）Upper fluting,
The ring flat-plate（5）By section of stretching out（4）On fluting at through and and stent（2）Section of stretching out（4）It is fixedly connected.
4. bulb through-flow electricity generator stator stand structure according to claim 1, it is characterised in that：The tray（6）Directly
It connects and is fixedly connected on ring flat-plate（5）On, the positioning bar（7）One end be arranged on tray（6）On in the dovetail slot that opens up, and position
Muscle（7）End face and tray（6）Dovetail slot bottom end face fit closely, the positioning bar（7）The other end be arranged on stator iron
The heart（8）Mounting groove in.
5. bulb through-flow electricity generator stator stand structure as claimed in any of claims 1 to 4, it is characterised in that：
The stator core（8）Radial thermal expansion power pass sequentially through positioning bar（7）, tray（6）And ring flat-plate（5）It is transferred to stent（2）
Section of stretching out（4）, the stent（2）Section of stretching out（4）Stress generates torsional deflection, will come from stator core（8）Thermal expansion is produced
Raw radial load is converted into tangential force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711474286.7A CN108054843B (en) | 2017-12-29 | 2017-12-29 | A kind of bulb through-flow electricity generator stator stand structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711474286.7A CN108054843B (en) | 2017-12-29 | 2017-12-29 | A kind of bulb through-flow electricity generator stator stand structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108054843A true CN108054843A (en) | 2018-05-18 |
| CN108054843B CN108054843B (en) | 2018-12-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711474286.7A Active CN108054843B (en) | 2017-12-29 | 2017-12-29 | A kind of bulb through-flow electricity generator stator stand structure |
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| Country | Link |
|---|---|
| CN (1) | CN108054843B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2852391A1 (en) * | 1977-12-13 | 1979-06-21 | Asea Ab | PIPE GENERATOR UNIT |
| CN1141529A (en) * | 1995-07-21 | 1997-01-29 | Abb管理有限公司 | Electric bulb type power generator |
| CN201038882Y (en) * | 2007-04-28 | 2008-03-19 | 天津市天发重型水电设备制造有限公司 | Generator stator base |
| CN201577002U (en) * | 2009-12-17 | 2010-09-08 | 哈尔滨电机厂有限责任公司 | Positioning rib supporting block structure |
| CN201726222U (en) * | 2010-07-21 | 2011-01-26 | 湘潭永达机械制造有限公司 | Doubly-feed wind-driven generator stator base |
| CN202282660U (en) * | 2011-08-26 | 2012-06-20 | 天津市天发重型水电设备制造有限公司 | Bulb type generator stator core V-shaped rib open-pore radial ventilation structure |
| CN103986253A (en) * | 2014-06-03 | 2014-08-13 | 北京天源科创风电技术有限责任公司 | Generator stator support and direct-drive forced air cooling wind generator applying same |
| CN104167840A (en) * | 2014-09-04 | 2014-11-26 | 东方电气集团东方电机有限公司 | Fixing structure for stator core and machine base |
| CN203984123U (en) * | 2014-06-10 | 2014-12-03 | 沈阳远大科技园有限公司 | Electric machine stand |
| CN204271789U (en) * | 2014-12-05 | 2015-04-15 | 东方电气集团东方电机有限公司 | A kind of steam turbine generator stand |
-
2017
- 2017-12-29 CN CN201711474286.7A patent/CN108054843B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2852391A1 (en) * | 1977-12-13 | 1979-06-21 | Asea Ab | PIPE GENERATOR UNIT |
| CN1141529A (en) * | 1995-07-21 | 1997-01-29 | Abb管理有限公司 | Electric bulb type power generator |
| CN201038882Y (en) * | 2007-04-28 | 2008-03-19 | 天津市天发重型水电设备制造有限公司 | Generator stator base |
| CN201577002U (en) * | 2009-12-17 | 2010-09-08 | 哈尔滨电机厂有限责任公司 | Positioning rib supporting block structure |
| CN201726222U (en) * | 2010-07-21 | 2011-01-26 | 湘潭永达机械制造有限公司 | Doubly-feed wind-driven generator stator base |
| CN202282660U (en) * | 2011-08-26 | 2012-06-20 | 天津市天发重型水电设备制造有限公司 | Bulb type generator stator core V-shaped rib open-pore radial ventilation structure |
| CN103986253A (en) * | 2014-06-03 | 2014-08-13 | 北京天源科创风电技术有限责任公司 | Generator stator support and direct-drive forced air cooling wind generator applying same |
| CN203984123U (en) * | 2014-06-10 | 2014-12-03 | 沈阳远大科技园有限公司 | Electric machine stand |
| CN104167840A (en) * | 2014-09-04 | 2014-11-26 | 东方电气集团东方电机有限公司 | Fixing structure for stator core and machine base |
| CN204271789U (en) * | 2014-12-05 | 2015-04-15 | 东方电气集团东方电机有限公司 | A kind of steam turbine generator stand |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108054843B (en) | 2018-12-07 |
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