CN106586801B - A kind of inner stator hoisting and overturning structure - Google Patents
A kind of inner stator hoisting and overturning structure Download PDFInfo
- Publication number
- CN106586801B CN106586801B CN201610957674.XA CN201610957674A CN106586801B CN 106586801 B CN106586801 B CN 106586801B CN 201610957674 A CN201610957674 A CN 201610957674A CN 106586801 B CN106586801 B CN 106586801B
- Authority
- CN
- China
- Prior art keywords
- inner stator
- ring cage
- ring
- out against
- connecting plate
- 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.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
Abstract
The present invention provides a kind of inner stator hoisting and overturning structures.The structure that the present invention lifts by crane simultaneously by using small hook cooperation hook of driving a vehicle, to ensure the vertical lifting of inner stator；By increasing taper liner harden structure so that the axle center of 2 joint hinges is in same straight line after installation, reaches the requirement for turning over rotation；Structure is held out against by increasing so that for inner stator during lifting by crane and rotating turn, suffered power is not only bolt shearing force, also the positive pressure of holding device, substantially increases the safety coefficient and service life of total.
Description
Technical field
The present invention relates to a kind of vertical lifting and turns for being detached from station after inner stator completion in outer press mounting technique
Structure, convenient for installing for follow-up inside and outside stator.
Background technology
Inner stator is an important component in steam turbine generator, it is mainly by stator core, the components group such as vibration isolation ring cage
At.When inner stator assembles, stator core is first installed as an entirety, then by vibration isolation ring cage positioning welding securely in stator core
On so that the two becomes an entirety.About 220 tons of the inner stator weight of 660MW double water innercooling electric generators, due to inside and outside stator
Install needs, default minor structure in the finished, need to pass through the operations of vertical lifting and 90 ° of turns.Traditional hoisting and overturning work
Hoisting structure is directly installed on ring cage connecting plate by lamps structure, to implement vertical lifting and turn over operation, this structural requirement
Ring cage connecting plate is in center line symmetry, and to ensure that lifting point is in position of centre of gravity, and joint hinge axis is in same straight line just
It is turned in rotation.Its main deficiency has：If 1, default subring cage connecting plate will produce bias, nothing not in center line symmetry
Method forward direction vertical lifting can interfere when being detached from station with generations such as station facility, auxiliary moulds, cause to damage inner stator production
Product.If 2, there are deflection angles for default subring cage connecting plate, turn operation cannot achieve.3, traditional structure is mainly connected as spiral shell
For bolt closing, hoisting and overturning is in the process bolt by shearing force.Because the excessive screw thread on ring cage connecting plate of local stress generates change
Shape, normal move back for influencing bolt are pulled out.
For 660MW double water innercooling electric generators, ring cage connecting plate not in center line symmetry, and there are one
Deflection angle, according to traditional hoisting turning tool structure, both can not vertical lifting, can not realize turn operation.
Invention content
The technical problem to be solved by the present invention is to realize the vertical lifting of the inner stator of 660MW double water innercooling electric generators and
Turn over operation.
In order to solve the above-mentioned technical problem, the technical solution of the present invention is to provide a kind of inner stator hoisting and overturning structure,
The inner stator is axially distributed multiple rings, and each ring was circumferentially around the inner stator one week, circumferentially cloth on each ring
It is equipped with multiple ring cage connecting plates, which is characterized in that further include ring cage attachment device, in each side fixing for the inner stator
There are one ring cage attachment device, each ring cage attachment device connect solid with the ring cage connecting plate for being presented axially in a row
It is fixed, dismountable joint hinge is equipped in each ring cage attachment device, after the installation of ring cage attachment device is in place, two side ring cages connection dress
The axle center for setting 2 joint hinges of sustained height is located along the same line, the ring cage connection at the center on front side of the inner stator
Plate is equipped with small hook lifting lug so that the stress point of junction is placed exactly in so that the monosymmetric straight line of inner stator center line
On, steel wire rope baffle is set on the ring cage connecting plate at the top of the vapour end of the inner stator, the internal structure and ring of steel wire rope baffle
Two inclined-planes of cage connecting plate are bonded, and the height of steel wire rope baffle just exceeds the vapour end support bar position of the inner stator.
Preferably, the ring cage attachment device includes the long slab being connected and fixed with the ring cage connecting plate, long slab towards
The one side of the inner stator is equipped with a row taper liner block, after so that the installation of ring cage attachment device is in place by taper liner block, two side rings
The axle center of 2 joint hinges of sustained height is located along the same line in cage attachment device, equal in the lower section of each taper liner block and side
Structure is held out against equipped with the side being fixed on long slab and holds out against structure, side holds out against structure and holds out against on the skew back face of ring cage connecting plate,
Structure is held out against to hold out against on ring.
Preferably, pad is equipped on the skew back face for every piece of ring cage connecting plate for being equipped with the ring cage attachment device
Item, the side hold out against structure and hold out against on filler strip.
The structure that the present invention lifts by crane simultaneously by using small hook cooperation hook of driving a vehicle, to ensure the vertical lifting of inner stator；
By increasing taper liner harden structure so that the axle center of 2 joint hinges is in same straight line after installation, reaches the requirement for turning over rotation；It is logical
It crosses increase and holds out against structure so that for inner stator during lifting by crane and rotating turn, suffered power is not only bolt shearing force, also
The positive pressure for having holding device substantially increases the safety coefficient and service life of total.
It is an advantage of the invention that：Driving hook, small hook while the lifting method of operation are used, solves novel electricity generator
（660MW double-water internal coolings）After middle inner stator lifting is eccentric, joint hinge axis is installed not the problem of a straight line can not turn over；It is rising simultaneously
It is improved on the force way hung, improves the safety coefficient and service life of total.
Description of the drawings
Fig. 1 is present apparatus structural schematic diagram；
Fig. 2 is schematic view of the mounting position of the present apparatus on inner stator；
Fig. 3 A and Fig. 3 B are the schematic view of the mounting position of filler strip；
Distribution of force schematic diagram when Fig. 4 is vertical lifting；
Distribution of force schematic diagram when Fig. 5 is horizontal lifting；
Fig. 6 is the locations of structures schematic diagram of steel wire rope baffle；
Fig. 7 is the position view of inner cage ring cage connecting plate, ring.
Specific implementation mode
In order to make the present invention more obvious and understandable, hereby with preferred embodiment, the present invention will be further described.
In conjunction with Fig. 1 and Fig. 7, in the present invention, inner stator is axially distributed multiple rings 7, and each ring 7 is circumferentially around default
Son one week, circumferentially there is multiple ring cage connecting plates 6 on each ring 7.
In conjunction with Fig. 1, Fig. 3 A and Fig. 3 B, a kind of inner stator hoisting and overturning structure provided by the invention includes ring cage attachment device
1, joint hinge 2, small hook lifting lug 3, steel wire rope baffle 4, filler strip 5.In conjunction with Fig. 4 and Fig. 5, ring cage attachment device 1 includes long slab 1-1, tiltedly
Cushion block 1-2, side hold out against structure 1-3 and hold out against structure 1-4.
The structure of the present invention is as follows：
In conjunction with Fig. 2, Fig. 4 and Fig. 5, the long slab 1-1 materials of ring cage attachment device 1 are the low-carbon alloy steel plate of high intensity,
On be provided with counterbore, conjunction is connected on ring cage connecting plate 6 by bolt.By installing taper liner block 1-2 on long slab 1-1 so that
After ring cage attachment device 1 is installed in place, the axle center of 2 joint hinges 2 is on same straight line 9, to meet the condition that rotation is turned over.Every
The lower section and side of a taper liner block 1-2 is mounted on the side being fixed on long slab 1-1 and holds out against structure 1-3 and hold out against structure 1-4.Knot
Fig. 3 A and Fig. 3 B are closed, filler strip 5 is mounted on the prism of the ring cage connecting plate 6 of mounting ring cage attachment device 1.Side holds out against knot
Structure 1-3 is held out against on filler strip 5 so that side holds out against structure 1-3 by filler strip 5 come stress, and otherwise side holds out against structure 1-3 and directly withstands on
It can stress shakiness on the inclined-plane of ring cage connecting plate 6.Structure 1-4 is held out against then to hold out against on ring 7.Structure 1-3 and top are held out against by side
Locking structure 1-4 ensures that it during inner stator is turned over from plumbness to horizontality, is all shared conjunction bolt always
Shearing force.
Joint hinge 2 is detachable, is combined and installed onto ring cage attachment device 1 by bolt, such one group of joint hinge can lead to
With multi-series product, that is, cost is saved, has also allowed for the maintenance and placement of storage.
Small hook lifting lug 3 is installed on 2 groups of ring cage connecting plates 6 of middle position, and the stress point of junction is placed exactly in
So that on 8 monosymmetric straight line of inner stator center line.
In conjunction with Fig. 6, steel wire rope baffle 4 is installed on the ring cage connecting plate 6 at the top of vapour end, and internal is V-structure, just
It is bonded with two inclined-planes of ring cage connecting plate 6, height just exceeds vapour end support bar position.It must be removed before being turned over because of inner stator
Small hook steel wire rope, inner stator can tilt in this operation process, and steel wire rope will directly touch product, after installation steel wire rope baffle 4
The two can be separated and be played a protective role.Simultaneously when inner stator is in horizontality after 90 ° are turned over, steel wire rope baffle 4
Outer surface is just in level with ground, is placed convenient for the level of inner stator.
The concrete operations scheme of the present invention is as follows：
Before inner stator lifting, first joint hinge 2 is installed in ring cage attachment device 1 and makes one；Then by 5 thing of filler strip
It is first installed to the side of default subring cage connecting plate 6, is fixed using screw stretching；Then ring cage attachment device 1 is installed to interior
On track ring cage connecting plate 6, conjunction is fixed by bolt, and side is held out against structure 1-3 and holds out against structure 1-4 and pushes up firm ring cage respectively
Filler strip 5 on connecting plate side and ring 7.Then small hook lifting lug 3 is installed on corresponding default subring cage connecting plate 6, is then pacified
Steel loading cord baffle 4；50 tons of shackles are finally installed on small hook lifting lug 3 and corresponding steel wire rope is connected on the small hook of driving, is hanging
Climb up hang up 400 tons of steel wire ropes be connected to driving hook on, all components install.According to the hook calculated in advance,
The power that small hook be should bear respectively slowly starts driving and starts vertical lifting and turn over operation.
Claims (3)
1. a kind of inner stator hoisting and overturning structure, the inner stator is axially distributed multiple rings (7), and each ring (7) is circumferentially
Around the inner stator one week, circumferentially there are multiple ring cage connecting plates (6) on each ring (7), which is characterized in that further include
Ring cage attachment device (1), in each side fixed there are one ring cage attachment device (1) of the inner stator, each ring cage connects
Connection device (1) is connected and fixed with the ring cage connecting plate (6) for being presented axially in a row, in each ring cage attachment device (1)
It is equipped with dismountable joint hinge (2), after ring cage attachment device (1) installation is in place, sustained height in two side ring cage attachment devices (1)
The axle center of 2 joint hinges (2) be located on same straight line (9), on front side of the inner stator on the ring cage connecting plate (6) at center
Equipped with small hook lifting lug (3) so that the stress point of junction is placed exactly in so that the inner stator center line (8) is monosymmetric straight
On line, steel wire rope baffle (4) be set to the inner stator vapour end at the top of ring cage connecting plate (6) on, steel wire rope baffle (4) it is interior
Portion's structure is bonded with two inclined-planes of ring cage connecting plate (6), and the height of steel wire rope baffle (4) just exceeds the vapour of the inner stator
Hold support bar position.
2. a kind of inner stator hoisting and overturning structure as described in claim 1, which is characterized in that the ring cage attachment device (1)
Include the long slab (1-1) being connected and fixed with the ring cage connecting plate (6), in the one side of long slab (1-1) towards the inner stator
Equipped with a row taper liner block (1-2), by taper liner block (1-2) so that after ring cage attachment device (1) installation is in place, the connection of two side ring cages
The axle center of 2 joint hinges (2) of sustained height is located on same straight line (9) on device (1), in the lower section of each taper liner block (1-2)
And side is equipped with the side being fixed on long slab (1-1) and holds out against structure (1-3) and hold out against structure (1-4), side holds out against structure (1-3)
It holds out against on the skew back face of ring cage connecting plate (6), holds out against structure (1-4) and hold out against on ring (7).
3. a kind of inner stator hoisting and overturning structure as claimed in claim 2, which is characterized in that be equipped with the ring cage connection
The skew back face of every piece of ring cage connecting plate (6) of device (1) is equipped with filler strip (5), and the side holds out against structure (1-3) and holds out against
On filler strip (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610957674.XA CN106586801B (en) | 2016-11-03 | 2016-11-03 | A kind of inner stator hoisting and overturning structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610957674.XA CN106586801B (en) | 2016-11-03 | 2016-11-03 | A kind of inner stator hoisting and overturning structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106586801A CN106586801A (en) | 2017-04-26 |
| CN106586801B true CN106586801B (en) | 2018-08-14 |
Family
ID=58590347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610957674.XA Active CN106586801B (en) | 2016-11-03 | 2016-11-03 | A kind of inner stator hoisting and overturning structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106586801B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736665A (en) * | 2018-07-25 | 2018-11-02 | 安徽皖南电机股份有限公司 | The turning tool and its application method of low speed high torque motor stator |
| CN109081240B (en) * | 2018-07-26 | 2019-08-20 | 中交第一航务工程局有限公司 | A kind of wedge type large-diameter circular tubing string hoisting and overturning device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2523940A1 (en) * | 1982-03-25 | 1983-09-30 | Braillon Cie | MAGNETIC APPARATUS, IN PARTICULAR FOR HANDLING |
| CN201151614Y (en) * | 2007-12-10 | 2008-11-19 | 渤海船舶重工有限责任公司 | Clamp for turning steel plates over |
| CN201207602Y (en) * | 2008-05-20 | 2009-03-11 | 上海电气电站设备有限公司 | Stator iron core turnover apparatus |
| CN101986527A (en) * | 2010-12-12 | 2011-03-16 | 南车株洲电机有限公司 | Turning process method and device for stator in large wind-driven generator |
| CN203872009U (en) * | 2014-06-04 | 2014-10-08 | 湘潭电机股份有限公司 | Motor stator overturning and sleeving-into-base hoist |
| CN204057648U (en) * | 2014-09-12 | 2014-12-31 | 江苏南车电机有限公司 | A kind of large directly driven permanent magnet wind generating stator stands up and handling mandrel |
-
2016
- 2016-11-03 CN CN201610957674.XA patent/CN106586801B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2523940A1 (en) * | 1982-03-25 | 1983-09-30 | Braillon Cie | MAGNETIC APPARATUS, IN PARTICULAR FOR HANDLING |
| CN201151614Y (en) * | 2007-12-10 | 2008-11-19 | 渤海船舶重工有限责任公司 | Clamp for turning steel plates over |
| CN201207602Y (en) * | 2008-05-20 | 2009-03-11 | 上海电气电站设备有限公司 | Stator iron core turnover apparatus |
| CN101986527A (en) * | 2010-12-12 | 2011-03-16 | 南车株洲电机有限公司 | Turning process method and device for stator in large wind-driven generator |
| CN203872009U (en) * | 2014-06-04 | 2014-10-08 | 湘潭电机股份有限公司 | Motor stator overturning and sleeving-into-base hoist |
| CN204057648U (en) * | 2014-09-12 | 2014-12-31 | 江苏南车电机有限公司 | A kind of large directly driven permanent magnet wind generating stator stands up and handling mandrel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106586801A (en) | 2017-04-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104444762B (en) | Wind power foundation ring overturning device and method for overturning foundation ring by using same | |
| CN101548100A (en) | Suspension device for wind wheel blade, method of mounting wind wheel blade, and method of constructing wind-driven generator | |
| CN106586811B (en) | Lifting equipment for supporting patient with burn and lifting turn-over method for concrete tower | |
| CN106586801B (en) | A kind of inner stator hoisting and overturning structure | |
| CN210528234U (en) | Device for hoisting tower of wind generating set | |
| CN102261067A (en) | Method for installing reinforcement cage of large-diameter ultra-long pile | |
| CN106644488A (en) | Large rocket engine and support integral overturn fixture | |
| CN201821226U (en) | Lifting device of large synchronous motor | |
| CN105271024B (en) | Tower crane with windproof structure | |
| CN103072888B (en) | Hoisting equipment and hoisting method for generator in wind generating set | |
| CN108071234A (en) | A kind of assemble method of large size Hydrogenation reactor spherical tank | |
| CN105293301B (en) | Windproof tower crane | |
| CN209815490U (en) | Hoisting device for rotor magnetic pole in hydraulic generator pit | |
| CN106801660B (en) | For installing the method and apparatus of the blade of wind-driven generator | |
| CN205329648U (en) | Open and inspect among large -scale pumped storage unit and repair with dismantling structure | |
| CN205241039U (en) | Installation hoist of generator | |
| CN105293302B (en) | Tower crane with wind-shielding function | |
| CN201207602Y (en) | Stator iron core turnover apparatus | |
| CN208684271U (en) | A kind of large-sized water turbine generator stator bar hanging apparatus | |
| CN208348908U (en) | The hanging structure of high-temperature electric resistance furnace | |
| CN207030731U (en) | A kind of more cabin piping lane adjustable horizontal boom hoistings | |
| CN202602173U (en) | Overhead line supporting tower line-releasing/tightening operation platform | |
| CN220078419U (en) | Movable support hinge herringbone mast hoisting device | |
| CN202997765U (en) | Motor housing with two suspension rings | |
| CN106395601A (en) | Air dismounting device for air guide sleeve and wind generating set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |