CN104242571B - Stator core lamination assembling device of steam turbine generator - Google Patents
Stator core lamination assembling device of steam turbine generator Download PDFInfo
- Publication number
- CN104242571B CN104242571B CN201410531599.1A CN201410531599A CN104242571B CN 104242571 B CN104242571 B CN 104242571B CN 201410531599 A CN201410531599 A CN 201410531599A CN 104242571 B CN104242571 B CN 104242571B
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- China
- Prior art keywords
- pull bar
- coupling sleeve
- stator core
- pressure
- tire
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- 238000003475 lamination Methods 0.000 title claims abstract description 29
- 230000008878 coupling Effects 0.000 claims description 41
- 238000010168 coupling process Methods 0.000 claims description 41
- 238000005859 coupling reaction Methods 0.000 claims description 41
- 230000011218 segmentation Effects 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000009434 installation Methods 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
- 239000000203 mixture Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
Abstract
The invention discloses a stator core lamination assembling device of a steam turbine generator. The device consists of a workbench, an oil cylinder, a pressure head, an upper press tire, a lower press tire, a pull rod I, a pull rod II, a connecting sleeve, a clamping ring and a positioning pin. The invention can realize the requirement of the stator core lamination on the sectional loading height by increasing the number of the pull rods II and the connecting sleeves; the stator cores with different diameters are loaded and pressed by replacing the upper pressing tire and the lower pressing tire. The device has the advantages of strong universality, high pressure-loading precision and convenient operation.
Description
Technical field
The present invention relates to a kind of steamer generator stator core lamination dress pressure device.
Background technology
Steam turbine generator unit stator core is to constitute motor magnetic flux loop and fixed stator coils
Critical component.Under working, stator core is acted on by rotating excitation field, should
Magnetic field produces powerful radial rotary alternation magnetic pull to stator core, and unit exists bigger simultaneously
Vibration.If the frictional force between stator core is not enough to fetter stalloy, stalloy is radially
Under the effect of magnetic pull, generation is moved radially, make paint film and stator bar insulation mill between stalloy
Damage, cause unit short circuit cisco unity malfunction, even there will be serious accident.Stator core
Height between stalloy should keep consistent with integral core height, otherwise will be stable to unit operation
Property, efficiency and vibration etc. bring adverse effect.Therefore it is required that stator-core lamination dress pressure device should
There is enough pressure and rigidity ensures stator-core lamination dress pressure request；Stator-core lamination fills
Pressure device should have the stalloy applying uniform on same layer on stator core circumference anchor ring
The pressure caused, it is ensured that the assembling height between stator core stalloy and integral core lamination assembling height
Degree is consistent；Consider that stator core requires that segmentation closed assembly, dress pressure device need to repeat mounting or dismounting, therefore fill
Pressure device should adapt to the requirement of different section lamination dress pressure height, facilitates mounting or dismounting, safe and reliable；
Stator-core lamination dress pressure device should have versatility, meets different Turbo-generator Set stator ferrum
Heart lamination dress pressure request.
Summary of the invention
It is an object of the invention to provide that a kind of assembly precision is high, stable and reliable in work, simple in construction,
It is easy to mounting or dismounting, highly versatile, safe and reliable turbine generator stator core lamination dress pressure device.
It is an object of the invention to be achieved through the following technical solutions: oil cylinder (4) axially vertical installation
Being fixed on horizontal table (5) bottom surface, workbench (5) bottom supporting is in bracing frame (3) upper surface
On, bracing frame (3) bottom supporting, on basic platform (1), presses down tire (6) bottom supporting in work
On platform (5) upper surface, the lower pressure surface pressing down tire (6) upper surface to be stator core, pull bar I (8) from
Oil cylinder (4) bottom penetrate, through oil cylinder (4) piston hole, workbench (5), press tire (6) to pass down,
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 pull bar II
(15) lower end coupling sleeve (10) links together, under pull bar I (8) upper end, pull bar II (15)
The cylindrical of end and the endoporus connecting mode of coupling sleeve (10) use circumference 4 × 1/4 convex-concave alternate
Divide zonary structure, when pull bar I (8) couples with coupling sleeve (10), by coupling sleeve (10) scrobicular ring band
Load coupling sleeve (10), turning handle I (9) after the bulge loop band of alignment pull bar I (8) upper end, align
Pull bar I (8) and the pin connection holes of coupling sleeve (10), insert alignment pin I (7), now coupling sleeve
(10) consistency from top to bottom, mutual axle in the annular groove of the upper lower convex ring interband of bulge loop band embedding pull bar I (8)
To support, fill after pull bar II (15) lower end bulge loop band is alignd with coupling sleeve (10) upper end scrobicular ring band
Enter pull bar II (15), turning handle II (12), align the pin connection of pull bar II (15) and coupling sleeve (10)
Connecing hole, insert alignment pin II (11), now coupling sleeve (10) bulge loop band embeds on pull bar II (15)
Consistency from top to bottom in the annular groove of lower convex ring interband, mutually axially support, pull bar I (8) and pull bar II (15)
Coupling complete, the lower pressure surface of upper pressed tyre (13) is the upper pressure surface of stator core, is pressed in stator core
On upper surface, the upper surface of upper pressed tyre (13) equipped with pressure head (14), pull bar II (15) upper end equipped with
Snap ring (16), in the annular recess of the internal ring upper and lower end face embedding pull bar II (15) of snap ring (16) also
Together with it connects firmly, stator frame of steam turbine generator stands up, and bottom is sitting on jack (2),
Jack (2) bottom support is on basic platform (1), and oil cylinder (4) piston moves down, and pulls
Pull bar I (8), coupling sleeve (10), pull bar II (15) and snap ring (16) move down, and make snap ring (16)
Bottom surface is pressed on pressure head (14) upper surface, thus drives upper pressed tyre (13) to move down, by upper pressed tyre (13)
And press down the clamping unshakable in one's determination between tire (6), owing to stator-core lamination uses segmentation dress pressure, need root
Increase pull bar II (15) and the quantity of coupling sleeve (10) according to dress pressure height, snap ring (16) is arranged on
The corresponding dress pressure height and position of pull bar II (15).
The effect of the present invention mainly has:
1, oil cylinder is arranged on bottom horizontal table, and piston uses hollow via-hole structure.First section
Pull bar is passed by piston hole, and bottom is connected and fixed with piston lower surface, it is to avoid oil cylinder and pipe
The oily pollution hidden trouble brought is assembled in road leakage of oil to stator-core lamination, rational in infrastructure.
2, highly different due to stator-core lamination difference interval dress pressure.Increase phase as required
The pull bar answered and coupling sleeve quantity, meet stator-core lamination difference interval dress pressure height and want
Ask.
3, between pull bar by coupling sleeve cylindrical and coupling sleeve endoporus connecting mode use circumference 4 ×
1/4 convex-concave alternate decile zonary structure, pull bar mounting or dismounting are convenient, easily realize, and improve pull bar and hold
Loading capability, job stability, reliability and dress press through journey security reliability.
4, snap ring uses two semicircular body hinged screw fastening structures, simplifies snap ring and pull bar
Draw bail, be convenient to mount and dismount.
5, upper and lower pressure tire uses integral loop pressure surface structure, it is ensured that stator core dress laminated sheet
Compression area, it is ensured that lamination uniform force is consistent with different depressed position compression heights, it is ensured that
Stator core assembly quality.
6, press tire by replacing with down, adapt to different-diameter stator-core lamination dress pressure request, tool
There are the highest 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
Detailed description of the invention
As shown in Figure 1, a kind of turbine generator stator core lamination dress pressure device be by basic platform 1,
Jack 2, bracing frame 3, oil cylinder 4, workbench 5, down pressure tire 6, alignment pin I 7, draw
Bar I 8, handle I 9, coupling sleeve 10, alignment pin II 11, handle II 12, upper pressed tyre 13,
The critical piece compositions such as pressure head 14, pull bar II 15, snap ring 16.The axially vertical peace of oil cylinder 4
Dress is fixed on horizontal table 5 bottom surface, and workbench 5 bottom supporting is in bracing frame 3 upper surface
On, bracing frame 3 bottom supporting is on basic platform 1, and lower pressure tire 6 bottom supporting is at workbench
On 5 upper surfaces, lower pressure tire 6 upper surface is the lower pressure surface of stator core, and pull bar I 8 is from oil cylinder
Penetrate bottom 4, pass through the piston hole of oil cylinder 4, workbench 5, down pressure tire 6, pull bar I 8
Bottom be fixed on the piston of oil cylinder 4, the lower end of the upper end of pull bar I 8 and pull bar II 15 is used
Coupling sleeve 10 links together, as in figure 2 it is shown, pull bar I 8 upper end, pull bar II 15 lower end
Cylindrical uses circumference 4 × 1/4 convex-concave alternate decile annulus with the endoporus connecting mode of coupling sleeve 10
Structure, when pull bar I 8 couples with coupling sleeve 10, align pull bar I by coupling sleeve 10 scrobicular ring band
Load coupling sleeve 10, turning handle I 9 after 8 upper end bulge loop bands, align pull bar I 8 and coupling sleeve
The pin connection holes of 10, inserts alignment pin I 7, and now coupling sleeve 10 bulge loop band embeds pull bar I 8
Consistency from top to bottom in the annular groove of upper lower convex ring interband, mutually axially support, by pull bar II 15 lower end
Bulge loop band align with coupling sleeve 10 upper end scrobicular ring band after load pull bar II 15, turning handle II 12,
Align the pin connection holes of pull bar II 15 and coupling sleeve 10, insert alignment pin II 11, now couple
Overlap 10 bulge loop bands and embed on pull bars II 15 consistency from top to bottom, mutual axle in the annular groove of lower convex ring interband
Coupling complete to support, pull bar I 8 and pull bar II 15, the lower pressure surface of upper pressed tyre 13 is stator ferrum
The upper pressure surface of the heart, is pressed on stator core upper surface, and the upper surface of upper pressed tyre 13 is equipped with pressure head
14, pull bar II 15 upper end embeds pull bar II equipped with snap ring 16, the internal ring upper and lower end face of snap ring 16
In the annular recess of 15 and together with it connects firmly, stator frame of steam turbine generator stands up, the end
Portion is sitting on jack 2, jack 2 bottom support on basic platform 1, oil cylinder 4 piston
Move down, pull pull bar I 8, coupling sleeve 10, pull bar II 15 and snap ring 16 to move down,
Make snap ring 16 bottom surface be pressed on pressure head 14 upper surface, thus drive upper pressed tyre 13 to move down, will
Clamping unshakable in one's determination between upper pressed tyre 13 and down pressure tire 6, owing to stator-core lamination uses segmentation dress
Pressure, need to increase pull bar II 15 and the quantity of coupling sleeve 10, by snap ring 16 according to dress pressure height
It is arranged on the respective heights position of pull bar II 15.
The practical application effect of the present invention proves:
1, a kind of turbine generator stator core lamination dress pressure new method is proposed.
2, solve turbine generator stator core lamination dress pressure device stator core greasy dirt is contaminated
Problem.
3, this apparatus structure is rationally, simple, mounting or dismounting easily realize, time saving and energy saving, operation safety
Reliably, working stability, dress are pressed precision height, highly versatile, low cost, are had high bearing capacity.
Claims (2)
1. a turbine generator stator core lamination dress pressure device, is characterized in that: oil cylinder (4)
Axially
Right angle setting is fixed on horizontal table (5) bottom surface, and workbench (5) bottom supporting is at bracing frame
(3), on upper surface, bracing frame (3) bottom supporting, on basic platform (1), presses down tire (6) bottom surface to prop up
Support on workbench (5) upper surface, the lower pressure surface pressing down tire (6) upper surface to be stator core, draw
Bar I (8) from oil cylinder (4) bottom penetrate, through oil cylinder (4) piston hole, workbench (5), press tire down
(6) passing, the bottom of pull bar I (8) is fixed on the piston of oil cylinder (4), the upper end of pull bar I (8)
Link together with the lower end coupling sleeve (10) of pull bar II (15), pull bar I (8) and coupling sleeve
(10), when coupling, load after the bulge loop band of coupling sleeve (10) scrobicular ring band alignment pull bar I (8) upper end
Coupling sleeve (10), turning handle I (9), align pull bar I (8) and couple with the pin of coupling sleeve (10)
Hole, inserts alignment pin I (7), and now coupling sleeve (10) bulge loop band embedding pull bar I (8) is the most convex
Consistency from top to bottom in annular groove between annulus, mutually axially support, by pull bar II (15) lower end bulge loop band
Loading pull bar II (15) after aliging with coupling sleeve (10) upper end scrobicular ring 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 embed consistency from top to bottom in the annular groove of the upper lower convex ring interband of pull bar II (15),
Mutually axially supporting, pull bar I (8) and pull bar II (15) couple complete, the pressure down of upper pressed tyre (13)
Face is the upper pressure surface of stator core, is pressed on stator core upper surface, the upper end of upper pressed tyre (13)
Face is equipped with pressure head (14), and pull bar II (15) upper end is equipped with snap ring (16), on the internal ring of snap ring (16)
In the annular recess of lower surface embedding pull bar II (15) and together with it connects firmly, steam turbine generator
Out frame stands up, and bottom is sitting on jack (2), and jack (2) bottom support is flat on basis
On platform (1), oil cylinder (4) piston moves down, and pulls pull bar I (8), coupling sleeve (10), pull bar
II (15) and snap ring (16) move down, make snap ring (16) bottom surface be pressed in pressure head (14) upper surface
On, thus drive upper pressed tyre (13) to move down, by upper pressed tyre (13) and press down the iron core between tire (6)
Clamping, owing to stator-core lamination uses segmentation dress pressure, need to increase pull bar II according to dress pressure height
(15) and the quantity of coupling sleeve (10), snap ring (16) is arranged on the corresponding dress pressure of pull bar II (15)
Height and position.
A kind of turbine generator stator core lamination dress the most according to claim 1 press-fits
Put, it is characterized in that: described pull bar I (8) upper end, the cylindrical of pull bar II (15) lower end and couple
The endoporus connecting mode of set (10) uses circumference 4 × 1/4 convex-concave alternate decile zonary structure.
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 CN104242571A (en) | 2014-12-24 |
| CN104242571B true CN104242571B (en) | 2017-01-04 |
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