CN104242571A - Steam turbine generator stator iron core laminated piece mounting and pressing device - Google Patents
Steam turbine generator stator iron core laminated piece mounting and pressing device Download PDFInfo
- Publication number
- CN104242571A CN104242571A CN201410531599.1A CN201410531599A CN104242571A CN 104242571 A CN104242571 A CN 104242571A CN 201410531599 A CN201410531599 A CN 201410531599A CN 104242571 A CN104242571 A CN 104242571A
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- pull bar
- coupling sleeve
- tire
- stator core
- turbine generator
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 8
- 230000008878 coupling Effects 0.000 claims description 40
- 238000010168 coupling process Methods 0.000 claims description 40
- 238000005859 coupling reaction Methods 0.000 claims description 40
- 238000003475 lamination Methods 0.000 claims description 26
- 230000011218 segmentation Effects 0.000 claims description 4
- 239000003921 oil Substances 0.000 description 16
- 229910000976 Electrical steel Inorganic materials 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000009824 pressure lamination Methods 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
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- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention discloses a steam turbine generator stator iron core laminated piece mounting and pressing device which is composed of a workbench, an oil cylinder, a pressing head, an upper pressing tire, a lower pressing tire, a pull rod I, a pull rod II, a connecting sleeve, a clamping ring and a positioning pin. Requirements on sectional mounting and pressing of a stator iron core laminated piece can be met by increasing number of the pull rod II and the connecting sleeve, and mounting and pressing of stator iron cores different in diameter can be realized by replacing the upper pressing tire and the lower pressing tire. The steam turbine generator stator iron core laminated piece mounting and pressing device is high in universality, high in mounting and pressing accuracy and convenient and quick to operate.
Description
Technical field
The present invention relates to a kind of steamer generator stator core lamination dress pressure device.
Background technology
The stator core of turbo generator unit is the critical component forming motor magnetic flux loop and fixed stator coils.Under working, stator core is subject to the effect of rotating magnetic field, and this magnetic field produces powerful radial rotary alternation magnetic pull to stator core, and unit exists larger vibration simultaneously.If the frictional force between stator core is not enough to fetter silicon steel sheet, generation moves radially by silicon steel sheet under the effect of radial magnetic pull, make paint film and stator bar insulation wearing and tearing between silicon steel sheet, cause unit short circuit cisco unity malfunction, even there will be serious accident.Height between stator core silicon steel sheet and integral core height should be consistent, otherwise will bring adverse effect to unit operation stability, efficiency and vibration etc.Therefore require that stator-core lamination fills pressure device and should have enough pressure and rigidity guarantee stator-core lamination dress pressure request; Stator-core lamination dress pressure device should have the pressure silicon steel sheet on same layer on stator core circumference anchor ring being applied to uniformity, ensures that the assembling height between stator core silicon steel sheet is highly consistent with the assembling of integral core lamination; Consider that stator core requires segmentation closed assembly, dress pressure device need repeat mounting or dismounting, therefore fills the requirement that pressure device should adapt to different section lamination dress pressure height, convenient mounting or dismounting, safe and reliable; Stator-core lamination dress pressure device should have versatility, meets different turbo generator set stator-core lamination dress pressure request.
Summary of the invention
The object of this invention is to provide that a kind of assembly precision is high, working stability is reliable, structure is simple, be convenient to mounting or dismounting, highly versatile, safe and reliable turbine generator stator core lamination dress pressure device.
The object of the invention is to be achieved through the following technical solutions: oil cylinder (4) axial at right angle setting is fixed on horizontal table (5) bottom surface, workbench (5) bottom supporting is on bracing frame (3) upper surface, bracing frame (3) bottom supporting is on basic platform (1), press down tire (6) bottom supporting on workbench (5) upper surface, press down the lower pressure surface that tire (6) upper surface is stator core, pull bar I (8) penetrates from oil cylinder (4) bottom, through the piston hole of oil cylinder (4), workbench (5), press down tire (6) to pass, the bottom of pull bar I (8) is fixed on the piston of oil cylinder (4), the upper end of pull bar I (8) and the lower end coupling sleeve (10) of pull bar II (15) link together, pull bar I (8) upper end, the cylindrical of pull bar II (15) lower end and the endoporus connecting mode of coupling sleeve (10) adopt the alternate decile zonary structure of circumference 4 × 1/4 convex-concave, when pull bar I (8) connects with coupling sleeve (10), people's coupling sleeve (10) is filled by after the bulge loop band of coupling sleeve (10) scrobicular ring band alignment pull bar I (8) upper end, turning handle I (9), align the pin connection holes of pull bar I (8) and coupling sleeve (10), insert alignment pin I (7), now coupling sleeve (10) bulge loop band embeds consistency from top to bottom in the annular groove of the upper lower convex ring interband of pull bar I (8), mutual axial support, people's pull bar II (15) is filled after being alignd with coupling sleeve (10) upper end scrobicular ring band by pull bar II (15) lower end bulge loop band, turning handle II (12), align the pin connection holes of pull bar II (15) and coupling sleeve (10), insert alignment pin II (11), now coupling sleeve (10) bulge loop band embeds consistency from top to bottom in the annular groove of the upper lower convex ring interband of pull bar II (15), mutual axial support, pull bar I (8) and pull bar II (15) connect complete, the lower pressure surface of upper pressed tyre (13) is the upper pressure surface of stator core, be pressed on stator core upper surface, pressure head (14) is equipped with in the upper surface of upper pressed tyre (13), snap ring (16) is equipped with in pull bar II (15) upper end, the inner ring upper and lower end face of snap ring (16) to embed in the annular recess of pull bar II (15) and together with it connects firmly, stator frame of steam turbine generator stands up, bottom is sitting on jack (2), jack (2) bottom support is on basic platform (1), oil cylinder (4) piston moves down, pull pull bar I (8), coupling sleeve (10), pull bar II (15) and snap ring (16) move down, snap ring (16) bottom surface is made to be pressed on pressure head (14) upper surface, thus drive upper pressed tyre (13) to move down, upper pressed tyre (13) and the iron core pressed down between tire (6) are clamped, consider the segmentation dress pressure of stator-core lamination, can according to dress pressure height, increase the quantity of pull bar II (15) and coupling sleeve (10), snap ring (16) is arranged on the correspondence dress pressure height and position of pull bar II (15).
Effect of the present invention mainly contains:
1, oil cylinder is arranged on bottom horizontal table, and piston adopts hollow via-hole structure.First section of pull bar is passed by piston hole, and bottom and piston lower surface are connected and fixed, and avoids oil cylinder and the oil pollution hidden danger brought is assembled in pipeline leakage of oil to stator-core lamination, rational in infrastructure.
2, because stator-core lamination different interval dress pressure is highly different.Corresponding pull bar and coupling sleeve quantity can be increased as required, meet stator-core lamination different interval dress pressure requirement for height.
3, adopt the alternate decile zonary structure of circumference 4 × 1/4 convex-concave by coupling sleeve cylindrical and coupling sleeve endoporus connecting mode between pull bar, pull bar mounting or dismounting are convenient, easily realize, improve pull bar bearing capacity, job stability, reliability and dress and press through journey security reliability.
4, snap ring adopts two hinged screw fastening structures of semicircular body, simplifies the draw bail of snap ring and pull bar, and mounting or dismounting are convenient.
5, upper and lower pressure tire adopts integral loop pressure surface structure, ensure that stator core dress pressure lamination compression area, ensure that lamination uniform force is consistent with different depressed position compression height, ensure that stator core assembly quality.
6, pressing down tire by replacing with, adapting to different-diameter stator-core lamination dress pressure request, there is very high practicality and versatility.
Accompanying drawing explanation
Fig. 1 turbine generator stator core lamination dress pressure device structure chart
Fig. 2 turbine generator stator core lamination dress pressure device structure chart A-A sectional view
Fig. 3 turbine generator stator core lamination dress pressure device structure chart B direction view
Embodiment
As shown in Figure 1, a kind of turbine generator stator core lamination dress pressure device by basic platform 1, jack 2, bracing frame 3, oil cylinder 4, workbench 5, press down the critical pieces such as tire 6, alignment pin I 7, pull bar I 8, handle I 9, coupling sleeve 10, alignment pin II 11, handle II 12, upper pressed tyre 13, pressure head 14, pull bar II 15, snap ring 16 and form.The axial at right angle setting of oil cylinder 4 is fixed on horizontal table 5 bottom surface, workbench 5 bottom supporting is on bracing frame 3 upper surface, bracing frame 3 bottom supporting is on basic platform 1, press down tire 6 bottom supporting on workbench 5 upper surface, press down the lower pressure surface that tire 6 upper surface is stator core, pull bar I 8 penetrates bottom oil cylinder 4, through the piston hole of oil cylinder 4, workbench 5, press down tire 6 to pass, the bottom of pull bar I 8 is fixed on the piston of oil cylinder 4, the upper end of pull bar I 8 and the lower end coupling sleeve 10 of pull bar II 15 link together, as shown in Figure 2, pull bar I 8 upper end, the cylindrical of pull bar II 15 lower end and the endoporus connecting mode of coupling sleeve 10 adopt the alternate decile zonary structure of circumference 4 × 1/4 convex-concave, when pull bar I 8 connects with coupling sleeve 10, people's coupling sleeve 10 is filled by after the bulge loop band of coupling sleeve 10 scrobicular ring band alignment pull bar I 8 upper end, turning handle I 9, align the pin connection holes of pull bar I 8 and coupling sleeve 10, insert alignment pin I 7, now coupling sleeve 10 bulge loop band embeds consistency from top to bottom in the annular groove of lower convex ring interband on pull bar I 8, mutual axial support, people's pull bar II 15 is filled after being alignd with coupling sleeve 10 upper end scrobicular ring band by pull bar II 15 lower end bulge loop band, turning handle II 12, align the pin connection holes of pull bar II 15 and coupling sleeve 10, insert alignment pin II 11, now coupling sleeve 10 bulge loop band embeds consistency from top to bottom in the annular groove of lower convex ring interband on pull bar II 15, mutual axial support, pull bar I 8 and pull bar II 15 connect complete, the lower pressure surface of upper pressed tyre 13 is the upper pressure surface of stator core, be pressed on stator core upper surface, pressure head 14 is equipped with in the upper surface of upper pressed tyre 13, snap ring 16 is equipped with in pull bar II 15 upper end, the inner ring upper and lower end face of snap ring 16 to embed in the annular recess of pull bar II 15 and together with it connects firmly, stator frame of steam turbine generator stands up, bottom is sitting on jack 2, jack 2 bottom support is on basic platform 1, oil cylinder 4 piston moves down, pull pull bar I 8, coupling sleeve 10, pull bar II 15 and snap ring 16 move down, snap ring 16 bottom surface is made to be pressed on pressure head 14 upper surface, thus drive upper pressed tyre 13 to move down, upper pressed tyre 13 and the iron core pressed down between tire 6 are clamped, consider the segmentation dress pressure of stator-core lamination, can according to dress pressure height, increase the quantity of pull bar II 15 and coupling sleeve 10, snap ring 16 is arranged on the respective heights position of pull bar II 15.
Practical application effect of the present invention proves:
1, a kind of turbine generator stator core lamination dress pressure new method is proposed.
2, turbine generator stator core lamination dress pressure device is solved to stator core oil pollution problem.
3, this apparatus structure rationally, simple, mounting or dismounting easily realize, time saving and energy saving, handling safety reliable, working stability, dress pressure precision is high, highly versatile, cost are low, have high bearing capacity.
Claims (2)
1. a turbine generator stator core lamination dress pressure device, it is characterized in that: oil cylinder (4) axial at right angle setting is fixed on horizontal table (5) bottom surface, workbench (5) bottom supporting is on bracing frame (3) upper surface, bracing frame (3) bottom supporting is on basic platform (1), press down tire (6) bottom supporting on workbench (5) upper surface, press down the lower pressure surface that tire (6) upper surface is stator core, pull bar I (8) penetrates from oil cylinder (4) bottom, through the piston hole of oil cylinder (4), workbench (5), press down tire (6) to pass, the bottom of pull bar I (8) is fixed on the piston of oil cylinder (4), the upper end of pull bar I (8) and the lower end coupling sleeve (10) of pull bar II (15) link together, when pull bar I (8) connects with coupling sleeve (10), people's coupling sleeve (10) is filled by after the bulge loop band of coupling sleeve (10) scrobicular ring band alignment pull bar I (8) upper end, turning handle I (9), align the pin connection holes of pull bar I (8) and coupling sleeve (10), insert alignment pin I (7), now coupling sleeve (10) bulge loop band embeds consistency from top to bottom in the annular groove of the upper lower convex ring interband of pull bar I (8), mutual axial support, people's pull bar II (15) is filled after being alignd with coupling sleeve (10) upper end scrobicular ring band by pull bar II (15) lower end bulge loop band, turning handle II (12), align the pin connection holes of pull bar II (15) and coupling sleeve (10), insert alignment pin II (11), now coupling sleeve (10) bulge loop band embeds consistency from top to bottom in the annular groove of the upper lower convex ring interband of pull bar II (15), mutual axial support, pull bar I (8) and pull bar II (15) connect complete, the lower pressure surface of upper pressed tyre (13) is the upper pressure surface of stator core, be pressed on stator core upper surface, pressure head (14) is equipped with in the upper surface of upper pressed tyre (13), snap ring (16) is equipped with in pull bar II (15) upper end, the inner ring upper and lower end face of snap ring (16) to embed in the annular recess of pull bar II (15) and together with it connects firmly, stator frame of steam turbine generator stands up, bottom is sitting on jack (2), jack (2) bottom support is on basic platform (1), oil cylinder (4) piston moves down, pull pull bar I (8), coupling sleeve (10), pull bar II (15) and snap ring (16) move down, snap ring (16) bottom surface is made to be pressed on pressure head (14) upper surface, thus drive upper pressed tyre (13) to move down, upper pressed tyre (13) and the iron core pressed down between tire (6) are clamped, consider the segmentation dress pressure of stator-core lamination, can according to dress pressure height, increase the quantity of pull bar II (15) and coupling sleeve (10), snap ring (16) is arranged on the correspondence dress pressure height and position of pull bar II (15).
2. a kind of turbine generator stator core lamination dress pressure device according to claim 1, is characterized in that: described pull bar I (8) upper end, the cylindrical of pull bar II (15) lower end and the endoporus connecting mode of coupling sleeve (10) adopt the alternate decile zonary structure of circumference 4 × 1/4 convex-concave.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410531599.1A CN104242571B (en) | 2014-10-10 | Stator core lamination assembling device of steam turbine generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410531599.1A CN104242571B (en) | 2014-10-10 | Stator core lamination assembling device of steam turbine generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104242571A true CN104242571A (en) | 2014-12-24 |
| CN104242571B CN104242571B (en) | 2017-01-04 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104552690A (en) * | 2014-12-30 | 2015-04-29 | 华澳轮胎设备科技（苏州）股份有限公司 | Pressurizing mechanism of hydraulic vulcanizing machine |
| CN108599478A (en) * | 2018-05-11 | 2018-09-28 | 西安启源机电装备有限公司 | A kind of directly driven wind-powered stator core automatic laminating machine |
| CN108809010A (en) * | 2018-09-18 | 2018-11-13 | 中国长江动力集团有限公司 | Stator core external pressure assembling device and stator core outer press mounting equipment |
| CN110829750A (en) * | 2019-09-26 | 2020-02-21 | 上海电气电站设备有限公司 | Adjustable press-fitting base and installation method |
| CN111431354A (en) * | 2020-04-03 | 2020-07-17 | 东方电气集团东方电机有限公司 | Stator core fastening device |
| CN119134816A (en) * | 2024-11-14 | 2024-12-13 | 常州元能机电技术有限公司 | Stator, rotor, and press-fitting method and press-fitting equipment for axial centering of stator and rotor cores |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11318059A (en) * | 1998-05-01 | 1999-11-16 | Harmonic Drive Syst Ind Co Ltd | Method of manufacturing laminated iron core for motor stator |
| CN101282061A (en) * | 2008-05-20 | 2008-10-08 | 上海电气电站设备有限公司 | Technique for press-loading generator stator iron core |
| CN103337934A (en) * | 2013-07-05 | 2013-10-02 | 永济新时速电机电器有限责任公司 | Stator overlying machine and stator overlying device employing same |
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11318059A (en) * | 1998-05-01 | 1999-11-16 | Harmonic Drive Syst Ind Co Ltd | Method of manufacturing laminated iron core for motor stator |
| CN101282061A (en) * | 2008-05-20 | 2008-10-08 | 上海电气电站设备有限公司 | Technique for press-loading generator stator iron core |
| CN103337934A (en) * | 2013-07-05 | 2013-10-02 | 永济新时速电机电器有限责任公司 | Stator overlying machine and stator overlying device employing same |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104552690A (en) * | 2014-12-30 | 2015-04-29 | 华澳轮胎设备科技（苏州）股份有限公司 | Pressurizing mechanism of hydraulic vulcanizing machine |
| CN108599478A (en) * | 2018-05-11 | 2018-09-28 | 西安启源机电装备有限公司 | A kind of directly driven wind-powered stator core automatic laminating machine |
| CN108599478B (en) * | 2018-05-11 | 2024-03-22 | 中节能西安启源机电装备有限公司 | Automatic lamination machine for direct-drive wind power stator core |
| CN108809010A (en) * | 2018-09-18 | 2018-11-13 | 中国长江动力集团有限公司 | Stator core external pressure assembling device and stator core outer press mounting equipment |
| CN108809010B (en) * | 2018-09-18 | 2024-03-29 | 中国长江动力集团有限公司 | Stator core external press-fitting device and stator core external press-fitting equipment |
| CN110829750A (en) * | 2019-09-26 | 2020-02-21 | 上海电气电站设备有限公司 | Adjustable press-fitting base and installation method |
| CN110829750B (en) * | 2019-09-26 | 2021-12-24 | 上海电气电站设备有限公司 | Adjustable press-fitting base and installation method |
| CN111431354A (en) * | 2020-04-03 | 2020-07-17 | 东方电气集团东方电机有限公司 | Stator core fastening device |
| CN119134816A (en) * | 2024-11-14 | 2024-12-13 | 常州元能机电技术有限公司 | Stator, rotor, and press-fitting method and press-fitting equipment for axial centering of stator and rotor cores |
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