CN204152736U - A kind of wind-power generating unit tower and screw type tube structure thereof - Google Patents
A kind of wind-power generating unit tower and screw type tube structure thereof Download PDFInfo
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- CN204152736U CN204152736U CN201420608427.5U CN201420608427U CN204152736U CN 204152736 U CN204152736 U CN 204152736U CN 201420608427 U CN201420608427 U CN 201420608427U CN 204152736 U CN204152736 U CN 204152736U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/728—Onshore wind turbines
Abstract
The utility model discloses a kind of wind-power generating unit tower and screw type tube structure thereof, described pylon comprises support frame and tower cylinder, described tower cylinder cylindrical shell is welded by strip steel plate spiral winding, and the mutual split in upper and lower edge of described steel plate forms inclination weld seam.Level and vertical welded seam is changed into inclination weld seam in described tube structure, the component of weld seam tension or pressurized reduces, the ability that weld seam bears vertical active force increases, be conducive to the bearing capacity and the stability that ensure whole wind-power generating unit tower, be convenient at sea with in the supporting structure of land wind power generating set apply.
Description
Technical field
The utility model belongs to technical field that is clean and renewable energy sources, relates to the supporting structure being applicable to marine and land wind power generating set, is specifically related to a kind of wind-power generating unit tower and screw type tube structure thereof.
Background technique
Existing wind-power generating unit tower generally includes support frame and the tower cylinder of steel structure, and tower cylinder is divided into multistage usually, adopt at present usually steel plate around and continuously split be welded, in such an embodiment, be transverse weld between each section of tower cylinder, weld seam is axial tension or pressurized weld seam, and there is the crossover node of transverse weld and longitudinal weld, weldquality is difficult to control, compared with welding base metal, weldquality is very large on the impact of tower cylinder bearing capacity, and welding quality requires high, Plate Welding and quality inspection cost high.
Model utility content
The purpose of this utility model is for the problems referred to above, provides a kind of novel wind-power generating unit tower screw type tube structure.
The purpose of this utility model is realized by following technical proposals:
For a screw type tube structure for wind-power generating unit tower, described cylindrical shell is welded by strip steel plate spiral winding, and the mutual split in upper and lower edge of described steel plate forms inclination weld seam.The cylindrical shell of this structure changes level and vertical welded seam into inclination weld seam, and the component of weld seam tension or pressurized reduces, and the ability that weld seam bears vertical active force increases, and is conducive to the bearing capacity and the stability that ensure whole wind-power generating unit tower.
Alternately, in above-mentioned screw type tube structure, described inclination weld seam and tower cylinder axis angle are α, and described α meets: 0 ° of < α≤56.3 °.Angle α is preferably 42 ~ 48 °, selects this angle can obtain good balance between the Economy of manufacture cost and bearing capacity.
Alternately, in above-mentioned screw type tube structure, described cylindrical shell comprises cylindrical section and round platform section.The stability being conducive to improving cylindrical shell is equipped with by cylindrical section and round platform section.As optional, described cylindrical shell comprises multiple cylindrical section and multiple round platform section.
Alternately, in above-mentioned screw type tube structure, the strip steel plate spiral winding of the width such as described cylindrical section cylindrical shell employing is welded, and the strip wedge-shaped steel plate spiral winding that described round platform section cylindrical shell adopts width to narrow gradually is welded.It is all very convenient that splicing is cut out and be wound around to the width steel plates such as cylindrical section cylindrical shell employing, and Cutting Edge corner material is few, saves steel plate.Round platform section of the prior art has been welded after usually rolling up pressure by fan-shaped steel plate, and fan-shaped steel plate is circular arc border, and after cutting, residual sheet metal is difficult to continue to use, and the utilization ratio of sheet material is low.The strip wedge-shaped steel plate that in the utility model, round platform section cylindrical shell adopts width to narrow gradually is convenient to spiral winding splicing, and relative to existing round platform section tube structure, fan-shaped without the need to being cut into by steel plate, steel plate utilization ratio is high.
Alternately, in above-mentioned screw type tube structure, described cylindrical shell is wound around by multiple strip steel plate continuous helical and is welded.
Alternately, in above-mentioned screw type tube structure, the thickness of described strip steel plate increases from top to bottom gradually, and steel plate thickness increases the integrated carrying ability and stability that are conducive to improving cylindrical shell from top to bottom successively.As optional, described cylindrical shell is divided into multiple spiral winding section, and the steel plate thickness forming same spiral winding section is equal; Between different spiral winding section, the thickness of steel plate increases from top to bottom gradually, and the steel plate thickness of whole cylindrical shell increases in ladder-type from top to bottom.
Alternately, in above-mentioned screw type tube structure, the weld seam of adjacent two described strip steel plate head and the tail joints is vertical with described inclination weld seam to be arranged.This kind of structural steel and iron blanking is convenient, but relatively large to vertical place weld seam difficulty of processing, and quality requirement is high.
Alternately, in above-mentioned screw type tube structure, the weld seam of adjacent two described strip steel plate head and the tail joints is horizontally disposed with.This kind of welding method is high to steel plate cutting dimension precision requirement, and welding operation is relatively convenient.
Alternately, in above-mentioned screw type tube structure, described cylindrical shell comprises multistage, passes through Flange joint between adjacent two sections.When cylindrical shell height adopts each section of Flange joint to be conducive to improving further bearing capacity and the stability of pylon and cylindrical shell compared with ambassador.
The utility model additionally provides a kind of wind-power generating unit tower, comprises support frame and tower cylinder, and described tower cylinder has screw type tube structure described in the utility model.
Alternately, described wind-power generating unit tower comprises multistage, respectively intersegmentally passes through Flange joint.
All features disclosed in this specification, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
The beneficial effects of the utility model:
Level and vertical welded seam is changed into inclination weld seam in tube structure described in the utility model, the component of weld seam tension or pressurized reduces, the ability that weld seam bears vertical active force increases, be conducive to the bearing capacity and the stability that ensure whole wind-power generating unit tower, be convenient at sea with in the supporting structure of land wind power generating set apply.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of cylindrical barrel described in the utility model;
Fig. 2 is the structural representation of a kind of round table-like cylindrical shell described in the utility model;
Fig. 3 is the structural representation of a kind of wind-power generating unit tower described in the utility model;
Fig. 4 is the structural representation of another kind of wind-power generating unit tower described in the utility model.
In each figure, right part is spiral splicing construction schematic diagram above, and left part is the schematic diagram of the cutting stock mode of the splicing steel plate of corresponding section, and wherein dash area is the strip steel plate for spiral winding.
Reference character: 1 is inclination weld seam, the weld seam of 2 strip steel plate head and the tail joints.
Embodiment
By the following examples the utility model is specifically described; what be necessary to herein means out is that the present embodiment is only for being further described the utility model; but can not be interpreted as the restriction to the utility model protection domain, the person skilled in the art in this field can make improvement and the adjustment of some non-intrinsically safes to the utility model according to above-mentioned content of the present utility model.
embodiment 1
As shown in Figure 1, a kind of screw type tube structure for wind-power generating unit tower, described cylindrical shell is round table-like, is welded by strip steel plate spiral winding, and the mutual split in upper and lower edge of described steel plate forms inclination weld seam 1.
Alternately, in above-mentioned screw type tube structure, described inclination weld seam and tower cylinder axis angle are α, and described α meets: 0 ° of < α≤56.3 °.Angle α is preferably 42 ~ 48 °.
Alternately, in above-mentioned screw type tube structure, the strip steel plate spiral winding of the width such as described cylindrical barrel employing is welded.
Alternately, in above-mentioned screw type tube structure, described cylindrical shell is wound around by multiple strip steel plate continuous helical and is welded.
Alternately, in above-mentioned screw type tube structure, described cylindrical shell is wound around by multiple strip steel plate continuous helical and is welded, and the weld seam 2 of adjacent two described strip steel plate head and the tail joints is vertical with described inclination weld seam to be arranged, as shown in Figure 3.
Alternately, in above-mentioned screw type tube structure, described cylindrical shell is wound around by multiple strip steel plate continuous helical and is welded, and the weld seam 2 of adjacent two described strip steel plate head and the tail joints is horizontally disposed with, as described in Figure 4.
Alternately, in above-mentioned screw type tube structure, the thickness of described strip steel plate increases from top to bottom gradually.
Alternately, in above-mentioned screw type tube structure, described cylindrical shell is divided into multiple spiral winding section, and the steel plate thickness forming same spiral winding section is equal; Between different spiral winding section, the thickness of steel plate increases from top to bottom gradually, and the steel plate thickness of whole cylindrical shell increases in ladder-type from top to bottom.During welding, with wall thickness height such as tower cylinder sections for spiral welded unit, adopt equal thickness steel plate spiral welded, each wall thickness change place adopts transverse weld welding, does not have spiral wall thickness transition zone, as shown in Figure 4 in this scenario-frame.
Alternately, in above-mentioned screw type tube structure, described cylindrical shell comprises multistage, passes through Flange joint between adjacent two sections.As optional, between whole flange, tower cylinder section all adopts spirality connecting method, and two ends are connected with flange by transverse weld.During welding, with tower cylinder section flange height for steel plate spiral welded unit, adopt the welding of steel plate one-piece auger, two kinds of steel plate joint interface sizes are determined when plate cutting blanking is in for varied in thickness, after roll extrusion is bending, welding is each waits wall thickness part, welding transition region inclined weld again, two ends are connected with flange by transverse weld again.
embodiment 2
As shown in Figure 2, a kind of screw type tube structure for wind-power generating unit tower, described cylindrical shell is cylindric, is welded by strip steel plate spiral winding, and the mutual split in upper and lower edge of described steel plate forms inclination weld seam 1.
Alternately, in above-mentioned screw type tube structure, described inclination weld seam and tower cylinder axis angle are α, described α meets: 0 ° of < α≤56.3 °, the normal load component of plate axial force at inclined weld can be reduced, tower cylinder load is born primarily of steel plate materials itself, thus reduces weldquality to the impact of tower cylinder bulk strength; After adopting steel plate spiral welded structure, in original tower cylinder, transverse weld and longitudinal weld are converted into spiral inclined weld, effective terminus reducing longitudinal weld, reduce the starting the arc in welding process and concentrate with the stress receiving arc generation, thus improve tower cylinder bulk strength.Angle α is preferably 42 ~ 48 °.
Alternately, in above-mentioned screw type tube structure, the strip wedge-shaped steel plate spiral winding that described round table-like cylindrical shell adopts width to narrow gradually is welded.
Alternately, in above-mentioned screw type tube structure, described cylindrical shell is wound around by multiple strip steel plate continuous helical and is welded.
Alternately, in above-mentioned screw type tube structure, described cylindrical shell is wound around by multiple strip steel plate continuous helical and is welded, and the weld seam of adjacent two described strip steel plate head and the tail joints is vertical with described inclination weld seam to be arranged, as shown in Figure 3.
Alternately, in above-mentioned screw type tube structure, described cylindrical shell is wound around by multiple strip steel plate continuous helical and is welded, and the weld seam of adjacent two described strip steel plate head and the tail joints is horizontally disposed with, as described in Figure 4.
Alternately, in above-mentioned screw type tube structure, the thickness of described strip steel plate increases from top to bottom gradually.
Alternately, in above-mentioned screw type tube structure, described cylindrical shell is divided into multiple spiral winding section, and the steel plate thickness forming same spiral winding section is equal; Between different spiral winding section, the thickness of steel plate increases from top to bottom gradually, and the steel plate thickness of whole cylindrical shell increases in ladder-type from top to bottom.During welding, with wall thickness height such as tower cylinder sections for spiral welded unit, adopt equal thickness steel plate spiral welded, each wall thickness change place adopts transverse weld welding, does not have spiral wall thickness transition zone, as shown in Figure 4 in this scenario-frame.
Alternately, in above-mentioned screw type tube structure, described cylindrical shell comprises multistage, passes through Flange joint between adjacent two sections.As optional, between whole flange, tower cylinder section all adopts spirality connecting method, and two ends are connected with flange by transverse weld.During welding, with tower cylinder section flange height for steel plate spiral welded unit, adopt the welding of steel plate one-piece auger, two kinds of steel plate joint interface sizes are determined when plate cutting blanking is in for varied in thickness, after roll extrusion is bending, welding is each waits wall thickness part, welding transition region inclined weld again, two ends are connected with flange by transverse weld again.
embodiment 3
A kind of wind-power generating unit tower, comprise support frame and tower cylinder, the cylindrical shell of described tower cylinder is welded by strip steel plate spiral winding, and the mutual split in upper and lower edge of described steel plate forms inclination weld seam.
Alternately, in above-mentioned screw type tube structure, described inclination weld seam and tower cylinder axis angle are α, and described α meets: 0 ° of < α≤56.3 °.Angle α is preferably 42 ~ 48 °.
Alternately, in above-mentioned screw type tube structure, described cylindrical shell comprises cylindrical section and round platform section.
Alternately, in above-mentioned screw type tube structure, the strip steel plate spiral winding of the width such as described cylindrical section cylindrical shell employing is welded, and the strip wedge-shaped steel plate spiral winding that described round platform section cylindrical shell adopts width to narrow gradually is welded.
Alternately, in above-mentioned screw type tube structure, described cylindrical shell is wound around by multiple strip steel plate continuous helical and is welded.
Alternately, in above-mentioned screw type tube structure, the thickness of described strip steel plate increases from top to bottom gradually.
As optional, described cylindrical shell is divided into multiple spiral winding section, and the steel plate thickness forming same spiral winding section is equal; Between different spiral winding section, the thickness of steel plate increases from top to bottom gradually, and the steel plate thickness of whole cylindrical shell increases in ladder-type from top to bottom.
Alternately, in above-mentioned screw type tube structure, the weld seam of adjacent two described strip steel plate head and the tail joints is vertical with described inclination weld seam to be arranged.
Alternately, in above-mentioned screw type tube structure, the weld seam of adjacent two described strip steel plate head and the tail joints is horizontally disposed with.
Alternately, in above-mentioned screw type tube structure, described cylindrical shell comprises multistage, passes through Flange joint between adjacent two sections.
Alternately, described wind-power generating unit tower comprises multistage, respectively intersegmentally passes through Flange joint.
All features disclosed in this specification, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
The foregoing is only preferred embodiment of the present utility model, is only illustrative for the utility model, and nonrestrictive; Those of ordinary skill in the art understand, and can carry out many changes in the spirit and scope that the utility model limits to it, amendment, and even equivalence is changed, but all will fall into protection domain of the present utility model.
Claims (10)
1. for a screw type tube structure for wind-power generating unit tower, it is characterized in that, described cylindrical shell is welded by strip steel plate spiral winding, and the mutual split in upper and lower edge of described steel plate forms inclination weld seam.
2. screw type tube structure according to claim 1, is characterized in that, described inclination weld seam and tower cylinder axis angle are α, and described α meets: 0 ° of < α≤56.3 °.
3. screw type tube structure according to claim 1, is characterized in that, described cylindrical shell comprises cylindrical section and round platform section.
4. screw type tube structure according to claim 3, it is characterized in that, the strip steel plate spiral winding of the width such as described cylindrical section cylindrical shell employing is welded, and the strip wedge-shaped steel plate spiral winding that described round platform section cylindrical shell adopts width to narrow gradually is welded.
5. screw type tube structure according to claim 1, is characterized in that, described cylindrical shell is wound around by multiple strip steel plate continuous helical and is welded.
6. screw type tube structure according to claim 5, is characterized in that, the thickness of described strip steel plate increases from top to bottom gradually.
7. screw type tube structure according to claim 5, is characterized in that, the weld seam of adjacent two described strip steel plate head and the tail joints is vertical with described inclination weld seam to be arranged.
8. screw type tube structure according to claim 5, is characterized in that, the weld seam of adjacent two described strip steel plate head and the tail joints is horizontally disposed with.
9. screw type tube structure according to claim 1, is characterized in that, described cylindrical shell comprises multistage, passes through Flange joint between adjacent two sections.
10. a wind-power generating unit tower, is characterized in that, comprises support frame and tower cylinder, and described tower cylinder has as the screw type tube structure in claim 1-9 as described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420608427.5U CN204152736U (en) | 2014-10-21 | 2014-10-21 | A kind of wind-power generating unit tower and screw type tube structure thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420608427.5U CN204152736U (en) | 2014-10-21 | 2014-10-21 | A kind of wind-power generating unit tower and screw type tube structure thereof |
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| CN204152736U true CN204152736U (en) | 2015-02-11 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108000076A (en) * | 2017-12-29 | 2018-05-08 | 新疆金风科技股份有限公司 | Manufacture method, tower segments, tower and the wind power generating set of tower segments |
| CN109175759A (en) * | 2018-10-25 | 2019-01-11 | 程力专用汽车股份有限公司 | L-type welding point and its production method |
| CN110657071A (en) * | 2019-11-19 | 2020-01-07 | 中国电建集团西北勘测设计研究院有限公司 | Prefabricated concrete fan tower drum, tower drum component and connecting method |
| CN110761954A (en) * | 2019-11-19 | 2020-02-07 | 中国电建集团西北勘测设计研究院有限公司 | Prefabricated concrete fan tower cylinder with spiral line connecting seam and connecting method |
| EP4234849A3 (en) * | 2017-01-12 | 2023-10-18 | Keystone Tower Systems, Inc. | Cylindrical tube formation |
-
2014
- 2014-10-21 CN CN201420608427.5U patent/CN204152736U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4234849A3 (en) * | 2017-01-12 | 2023-10-18 | Keystone Tower Systems, Inc. | Cylindrical tube formation |
| CN108000076A (en) * | 2017-12-29 | 2018-05-08 | 新疆金风科技股份有限公司 | Manufacture method, tower segments, tower and the wind power generating set of tower segments |
| CN109175759A (en) * | 2018-10-25 | 2019-01-11 | 程力专用汽车股份有限公司 | L-type welding point and its production method |
| CN109175759B (en) * | 2018-10-25 | 2024-03-19 | 程力专用汽车股份有限公司 | Evaluation method of stress value of L-shaped welding joint |
| CN110657071A (en) * | 2019-11-19 | 2020-01-07 | 中国电建集团西北勘测设计研究院有限公司 | Prefabricated concrete fan tower drum, tower drum component and connecting method |
| CN110761954A (en) * | 2019-11-19 | 2020-02-07 | 中国电建集团西北勘测设计研究院有限公司 | Prefabricated concrete fan tower cylinder with spiral line connecting seam and connecting method |
| CN110657071B (en) * | 2019-11-19 | 2024-01-19 | 中国电建集团西北勘测设计研究院有限公司 | Precast concrete fan tower barrel, tower barrel component and connecting method |
| CN110761954B (en) * | 2019-11-19 | 2024-01-19 | 中国电建集团西北勘测设计研究院有限公司 | Precast concrete fan tower barrel with spiral line connecting seam and connecting method |
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| TR01 | Transfer of patent right |
Effective date of registration: 20160419 Address after: 618000 Sichuan Province, Deyang city Huashan road two No. 2 Patentee after: DONGFANG ELECTRIC WIND POWER CO., LTD. Address before: 618000 Jiangxi hi tech Industrial Park, Sichuan, Jinsha Road, No. 666, No. Patentee before: Dongfang Turbine Co., Ltd., Dongfang Electric Group |
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| CP01 | Change in the name or title of a patent holder |
Address after: 618000 2 Huashan South Road, Deyang, Sichuan, 2 Patentee after: Dongfang Electric Wind Power Co.,Ltd. Address before: 618000 2 Huashan South Road, Deyang, Sichuan, 2 Patentee before: DONGFANG ELECTRIC WIND POWER Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |