CN106424214A - Reverse deformation shaping tool for outward turnover of tower drum flange of wind generating set and method for reverse deformation shaping tool - Google Patents
Reverse deformation shaping tool for outward turnover of tower drum flange of wind generating set and method for reverse deformation shaping tool Download PDFInfo
- Publication number
- CN106424214A CN106424214A CN201610995129.XA CN201610995129A CN106424214A CN 106424214 A CN106424214 A CN 106424214A CN 201610995129 A CN201610995129 A CN 201610995129A CN 106424214 A CN106424214 A CN 106424214A
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- China
- Prior art keywords
- flange
- drum flange
- tower drum
- deformation shaping
- tower
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/06—Removing local distortions
- B21D1/08—Removing local distortions of hollow bodies made from sheet metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a reverse deformation shaping tool for outward turnover of a tower drum flange of a wind generating set and a method for the reverse deformation shaping tool. The reverse deformation shaping tool is fixedly connected with the tower drum flange through a plurality of symmetrical tight high-strength bolts, and is equipped with a bottom plate and a flat plate flange which are oppositely arranged; a plurality of rib plates and a supporting ring are arranged between the top surface of the bottom plate and the bottom surface of the flat plate flange; each rib plate is positioned at the inner side of the supporting ring; and a plurality of through holes which correspond to mounting holes in the tower drum flange in position are formed in the flat plate flange. A tool operating method comprises the following steps of: requiring auxiliary flame to roast while the reverse deformation shaping tool used; tightening the high-strength bolts after roasting one to two rings of the reverse deformation shaping tool; referring to the flat plate flange and a gap in the outer side of a drum flange connecting surface to judge a shaping condition; judging that repair of the drum flange is completed when no gap is in the outer side; and dismounting the reverse deformation shaping tool after the drum flange is completely cooled, and measuring practical internal inclining amount of the drum flange. A shaping yield reaches 100%, and potential quality hazards in a mounting process are eliminated.
Description
Technical field
The present invention relates to the technical field of wind power generating set, especially a kind of tower barrel of wind generating set flange turn up instead
Deformation shaping tooling and its method.
Background technology
The pylon of wind power generating set generally adopts segmentation structure according to traffic condition and installation situation, and each tower segments are adopted
The connected mode of high-strength bolt is joined with forged flange.As flange is reserved, introversion amount is little, and welding rear flange deforms, and causes flange
There is gap on the outside of connecting portion, bolted pretightning force is affected, the stability of blower fan is had a great impact.But in design skill
In art requirement and pylon manufacturer's standard GB/T19072, clear stipulaties flange does not allow to turn up.Therefore need the flange to welding deformation
Carry out shaping to reprocess, to meet the regulation of technical requirements and standard.
At present, the method one of employing is that the weld joint on inner side for being connected flange with shell ring is excluded, then again on the inside of continuous welding
Weld seam, to reach the purpose that reprocesses flange to introversion, although this method also has certain effect, but it cannot be guaranteed that will be outer
The flange for turning over 100% is reprocessed to qualified, is reprocessed mode through repeatedly welded after carbon arc air gouging again repeatedly, is caused to weld material in a large number
Material and artificial waste, Rewelding can also affect the quality of weld seam.Using method two be to using flame after flange welding
The shaping of baking weld seam solves problem of turning up, but the flame baking cycle is long, DeGrain, and part baking rear flange turns up more
Seriously, there is uncertainty.
Content of the invention
The technical problem to be solved in the present invention is：In order to overcome the deficiencies in the prior art, a kind of wind-force is provided and is sent out
Group of motors tower drum flange turns up reversible deformation shaping tooling and its method, and shaping qualification rate reaches 100%, eliminates in installation process
Hidden danger of quality.
The technical solution adopted for the present invention to solve the technical problems is：A kind of tower barrel of wind generating set flange turns up instead
Deformation shaping tooling, is fixedly connected with tower drum flange by the high-strength bolts of some symmetrical fastenings, and it has and is oppositely arranged
Base plate and flat flange, be provided with some pieces of gussets and a bracing ring between the top surface of base plate and the bottom surface of flat flange,
The inner side of bracing ring is respectively positioned on per block gusset, offers several relative with the position of mounting hole on tower drum flange on flat flange
The through hole that answers.
Limit further, in technique scheme, some pieces of gussets are uniformly arranged on the top surface of base plate and flat flange
Between bottom surface.
Limit further, in technique scheme, some pieces of gussets and a bracing ring are all arranged by the way of welding
Between the top surface of base plate and the bottom surface of flat flange.
Limit further, in technique scheme, the back side per block gusset is all closely attached on the inwall of bracing ring.
A kind of tower barrel of wind generating set flange turns up the method for reversible deformation shaping tooling, comprises the following steps that：
S1：Fixed even by the high-strength bolt of some symmetrical fastenings between reversible deformation shaping tooling and tower drum flange
Connect；
S2：Several location points are selected, measures the gap between tower drum flange and reversible deformation shaping tooling record data；
S3：Using welding torch, the interior corner in tower drum flange is toasted, and baking 1～2 is enclosed as once, to high intensity spiral shell
Bolt is symmetrically fastened, and measures and record the gap between tower drum flange and reversible deformation shaping tooling at several location points；
S4：According to until tower drum flange and reversible deformation shaping after interior turning baking for several times of the method in S3 to tower drum flange
Gap between frock is not more than 0.3mm, removes reversible deformation shaping tooling, then measure tower drum flange after tower drum flange cooling
Actual introversion amount.
Limit further, in technique scheme, welding torch is 400～500 to the baking temperature at the interior turning of tower drum flange
℃.
Limit further, in technique scheme, welding torch is heated using wire to the baking at the interior turning of tower drum flange
Mode.
The invention has the beneficial effects as follows：Reversible deformation shaping tooling adopts welding manner, simple structure, easy to make, reduction
Labor intensity, material-saving and intensity reliability, machine after aging treating after welding, dimensionally stable, can be iteratively repeated utilization, put down
Plate flange adopts reversible deformation structure, coordinates with tower drum flange when using, and with high strength exploitation, gusset is uniform one week, receives
Power is uniform, it is ensured that reversible deformation shaping tooling intensity and Stability Analysis of Structures；Reversible deformation shaping tooling combines correct flame baking method
Come solve the problems, such as tower drum flange turn up cannot shaping, reach preferable shaping effect, shaping qualification rate reaches 100%, eliminates
Hidden danger of quality in installation process, and simple to operate, strong applicability, are not affected by working environment, and training time is less, cost
Low, personal safety is not affected, while reducing material and artificial waste that Rewelding is caused yet.
Description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of reversible deformation shaping tooling of the present invention；
Fig. 2 is the schematic diagram of reversible deformation shaping tooling operational approach of the present invention；
Fig. 3 is the sectional view of Fig. 2；
Fig. 4 is the schematic diagram that tower drum flange toasts position.
Being numbered of in figure：1st, base plate；2nd, flat flange；3rd, gusset；4th, bracing ring；A, tower drum flange；B, high intensity spiral shell
Bolt；C, interior turning；D, tower barrel.
Specific embodiment
See Fig. 1～4, a kind of tower barrel of wind generating set flange of the present invention turns up reversible deformation shaping tooling, by some
The high-strength bolt b of symmetrical fastening is fixedly connected with tower drum flange a, and it has the base plate 1 and flat flange 2 being oppositely arranged, bottom
Some pieces of gussets 3 and a bracing ring 4 are provided with by the way of welding between the bottom surface of the top surface of plate 1 and flat flange 2, per
Block gusset 3 is respectively positioned on the inner side of bracing ring 4, and the back side per block gusset 3 is all closely attached on the inwall of bracing ring 4, some pieces of gussets 3
It is uniformly arranged between the top surface of base plate 1 and the bottom surface of flat flange 2.Several are offered on flat flange 2 with tower drum flange a
On the corresponding through hole of position of mounting hole.Reversible deformation shaping tooling adopts welding manner, simple structure, easy to make, reduction
Labor intensity, material-saving and intensity reliability, machine after aging treating after welding, dimensionally stable, can be iteratively repeated utilization, put down
Plate flange 2 adopts reversible deformation structure, coordinates with tower drum flange a when using, is connected with high-strength bolt b, gusset 3 uniform
Week, uniform force, it is ensured that reversible deformation shaping tooling intensity and Stability Analysis of Structures.
Need during using the reversible deformation shaping tooling flame baking is aided in, after one to two circle of baking, high-strength bolt b is twisted
Tightly, the gap on the outside of reference plate flange 2 and shell flange a joint face to be judging the situation of shaping, between outside does not have completely
Can determine that shell flange a is reprocessed during gap to complete, reversible deformation shaping tooling is removed after shell flange a is cooled down completely, then survey
The actual introversion amount of amount shell flange a.
The tower barrel of wind generating set flange turns up the method for reversible deformation shaping tooling, comprises the following steps that：
S1：Fixed even by the high-strength bolt b of some symmetrical fastenings between reversible deformation shaping tooling and tower drum flange a
Connect, high-strength bolt b Passscheiben and nut are used together, high-strength bolt b is by hydraulic spanner and using symmetrical fastening
Mode is fastened；
S2：Several location points are selected, is measured the gap between tower drum flange a and reversible deformation shaping tooling and record number
According to so that rework process is referred to；
S3：Toasted at the interior turning c of tower drum flange a using jetting-sucking welding torch, during flame heating, regulated gas
Mixed proportion (neutral flame), control tip distance baking position height, prohibit the use of internal flame and flame core heating.Baking temperature
For 200～700 DEG C, temperature survey point selection is entered using infrared thermometer in the back of baking position, the control for temperature
Row measurement control；Tip is 45 ° of inclinations with the angle of baking position.Welding torch adopts line to the baking of the interior turning c of tower drum flange a
The mode of shape heating, the width of wire heating should not be too big, and the width of wire heating typically takes 0.5～2 times of steel plate thickness, right
In the steel plate of intermediate gauge, the width of wire heating is typically no more than 50mm.Flame baking track route should adopt spiral straight
Line walking method, should not be heated in same position repeatedly, prevent local from producing superheating phenomenon.1～2 circle of baking is used as once
Hydraulic spanner is symmetrically fastened to high-strength bolt b, measures and record tower drum flange a at several location points whole with reversible deformation
Gap between shape frock；
S4：According to until tower drum flange a and reversible deformation after interior turning c baking for several times of the method in S3 to tower drum flange a
Gap between shaping tooling is not more than 0.3mm, removes reversible deformation shaping tooling, then measure tower after tower drum flange a cooling
The actual introversion amount of drum flange a, the type of cooling after flame straightening is air cooling；If unqualified, continue according to above-mentioned requirements again
Reprocess, accumulative baking time is less than 20 hours.
Reversible deformation shaping tooling solves with reference to correct flame baking method that tower drum flange a turns up cannot the asking of shaping
Topic, reaches preferable shaping effect, and shaping qualification rate reaches 100%, eliminates the hidden danger of quality in installation process, and operates letter
Single, strong applicability, do not affected by working environment, training time is less, low cost, does not affect personal safety, while also reducing
Material and artificial waste that Rewelding is caused.
Claims (7)
1. a kind of tower barrel of wind generating set flange turns up reversible deformation shaping tooling, it is characterised in that：Symmetrical tight by some
Solid high-strength bolt (b) be fixedly connected with tower drum flange (a), it has the base plate (1) that is oppositely arranged and flat flange (2),
Some pieces of gussets (3) and a bracing ring (4) is provided between the bottom surface of the top surface of base plate (1) and flat flange (2), per block muscle
Plate (3) is respectively positioned on the inner side of bracing ring (4), offer on flat flange (2) several with tower drum flange (a) on mounting hole site
Put corresponding through hole.
2. a kind of tower barrel of wind generating set flange turns up reversible deformation shaping tooling as claimed in claim 1, it is characterised in that：
Some pieces of gussets (3) are uniformly arranged between the top surface of base plate (1) and the bottom surface of flat flange (2).
3. a kind of tower barrel of wind generating set flange turns up reversible deformation shaping tooling as claimed in claim 1, it is characterised in that：
Some pieces of gussets (3) and bracing ring (4) are all arranged on top surface and the flat flange (2) of base plate (1) by the way of welding
Bottom surface between.
4. a kind of tower barrel of wind generating set flange turns up reversible deformation shaping tooling as claimed in claim 1, it is characterised in that：
All it is closely attached on the inwall of bracing ring (4) per the back side of block gusset (3).
5. a kind of tower barrel of wind generating set flange as claimed in claim 1 turns up the method for reversible deformation shaping tooling, and which is special
Levy and be：Comprise the following steps that：
S1：Fixing even by the high-strength bolt (b) of some symmetrical fastenings between reversible deformation shaping tooling and tower drum flange (a)
Connect；
S2：Several location points are selected, measures the gap between tower drum flange (a) and reversible deformation shaping tooling record data；
S3：Toasted at interior turning (c) place of tower drum flange (a) using welding torch, baking 1～2 is enclosed as once, to high intensity
Bolt (b) is symmetrically fastened, and is measured and is recorded at several location points between tower drum flange (a) and reversible deformation shaping tooling
Gap；
S4：According to until tower drum flange (a) and contravariant after interior turning (c) baking for several times of the method in S3 to tower drum flange (a)
Gap between shape shaping tooling is not more than 0.3mm, removes reversible deformation shaping tooling, then survey after tower drum flange (a) cooling
The actual introversion amount of amount tower drum flange (a).
6. a kind of tower barrel of wind generating set flange turns up the method for reversible deformation shaping tooling as claimed in claim 5, and which is special
Levy and be：Welding torch is 400～500 DEG C to the baking temperature of the interior turning (c) of tower drum flange (a).
7. a kind of tower barrel of wind generating set flange turns up the method for reversible deformation shaping tooling as claimed in claim 5, and which is special
Levy and be：Welding torch is to the baking of the interior turning (c) of tower drum flange (a) by the way of wire heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610995129.XA CN106424214A (en) | 2016-11-11 | 2016-11-11 | Reverse deformation shaping tool for outward turnover of tower drum flange of wind generating set and method for reverse deformation shaping tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610995129.XA CN106424214A (en) | 2016-11-11 | 2016-11-11 | Reverse deformation shaping tool for outward turnover of tower drum flange of wind generating set and method for reverse deformation shaping tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106424214A true CN106424214A (en) | 2017-02-22 |
Family
ID=58206966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610995129.XA Pending CN106424214A (en) | 2016-11-11 | 2016-11-11 | Reverse deformation shaping tool for outward turnover of tower drum flange of wind generating set and method for reverse deformation shaping tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106424214A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108526737A (en) * | 2018-04-09 | 2018-09-14 | 南京合信自动化有限公司 | A kind of automatic welding method of reversed balancing flange |
| CN110711794A (en) * | 2019-11-25 | 2020-01-21 | 湖南恒岳重钢钢结构工程有限公司 | Flange outward-turning correction device for wind power tower cylinder |
| CN112207467A (en) * | 2020-08-10 | 2021-01-12 | 江阴市富仁高科股份有限公司 | SF oil storage tank eversion manhole flange welding anti-deformation method and anti-deformation tool |
| CN116175080A (en) * | 2023-04-25 | 2023-05-30 | 山西富兴通重型环锻件有限公司 | Wind power tower cylinder flange eversion correction equipment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1815137A1 (en) * | 2004-11-24 | 2007-08-08 | Siemens Aktiengesellschaft | Method and connecting piece for assembling windmill blade sections |
| CN201582262U (en) * | 2009-12-09 | 2010-09-15 | 国水投资集团包头风电科技有限公司 | Counter balanced flange |
| CN201702522U (en) * | 2010-05-11 | 2011-01-12 | 江苏宇杰钢机有限公司 | Counter flange for preventing welding deformation of wind tower flange |
| CN201982259U (en) * | 2011-03-30 | 2011-09-21 | 江苏新誉重工科技有限公司 | Reverse balance flange of tower drum |
| CN202031789U (en) * | 2011-03-30 | 2011-11-09 | 江苏新誉重工科技有限公司 | Reverse balance flange |
| WO2013097865A1 (en) * | 2011-12-28 | 2013-07-04 | Vestas Wind Systems A/S | A ring segment for a flange of a wind turbine tower |
| CN205503371U (en) * | 2016-03-25 | 2016-08-24 | 江苏神山风电设备制造有限公司 | Guarantee device of tower bobbin top planeness of flange |
| CN105921845A (en) * | 2016-04-05 | 2016-09-07 | 福建帆新能源装备制造有限公司 | Flange flatness correction method after welding of tower drum flange |
-
2016
- 2016-11-11 CN CN201610995129.XA patent/CN106424214A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1815137A1 (en) * | 2004-11-24 | 2007-08-08 | Siemens Aktiengesellschaft | Method and connecting piece for assembling windmill blade sections |
| CN201582262U (en) * | 2009-12-09 | 2010-09-15 | 国水投资集团包头风电科技有限公司 | Counter balanced flange |
| CN201702522U (en) * | 2010-05-11 | 2011-01-12 | 江苏宇杰钢机有限公司 | Counter flange for preventing welding deformation of wind tower flange |
| CN201982259U (en) * | 2011-03-30 | 2011-09-21 | 江苏新誉重工科技有限公司 | Reverse balance flange of tower drum |
| CN202031789U (en) * | 2011-03-30 | 2011-11-09 | 江苏新誉重工科技有限公司 | Reverse balance flange |
| WO2013097865A1 (en) * | 2011-12-28 | 2013-07-04 | Vestas Wind Systems A/S | A ring segment for a flange of a wind turbine tower |
| CN205503371U (en) * | 2016-03-25 | 2016-08-24 | 江苏神山风电设备制造有限公司 | Guarantee device of tower bobbin top planeness of flange |
| CN105921845A (en) * | 2016-04-05 | 2016-09-07 | 福建帆新能源装备制造有限公司 | Flange flatness correction method after welding of tower drum flange |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108526737A (en) * | 2018-04-09 | 2018-09-14 | 南京合信自动化有限公司 | A kind of automatic welding method of reversed balancing flange |
| CN110711794A (en) * | 2019-11-25 | 2020-01-21 | 湖南恒岳重钢钢结构工程有限公司 | Flange outward-turning correction device for wind power tower cylinder |
| CN112207467A (en) * | 2020-08-10 | 2021-01-12 | 江阴市富仁高科股份有限公司 | SF oil storage tank eversion manhole flange welding anti-deformation method and anti-deformation tool |
| CN112207467B (en) * | 2020-08-10 | 2022-03-18 | 江阴市富仁高科股份有限公司 | SF oil storage tank eversion manhole flange welding anti-deformation method and anti-deformation tool |
| CN116175080A (en) * | 2023-04-25 | 2023-05-30 | 山西富兴通重型环锻件有限公司 | Wind power tower cylinder flange eversion correction equipment |
| CN116175080B (en) * | 2023-04-25 | 2023-07-14 | 山西富兴通重型环锻件有限公司 | Wind power tower cylinder flange eversion correction equipment |
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Application publication date: 20170222 |