CN201588746U - Fan tower doorframe - Google Patents
Fan tower doorframe Download PDFInfo
- Publication number
- CN201588746U CN201588746U CN2010201029555U CN201020102955U CN201588746U CN 201588746 U CN201588746 U CN 201588746U CN 2010201029555 U CN2010201029555 U CN 2010201029555U CN 201020102955 U CN201020102955 U CN 201020102955U CN 201588746 U CN201588746 U CN 201588746U
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- CN
- China
- Prior art keywords
- doorframe
- fan tower
- forging
- utility
- model
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- 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.)
- Expired - Fee Related
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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
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The utility model discloses a fan tower doorframe, belonging to the fan tower part, and comprising a doorframe body which is formed by the integral forging and comprises a vertical part and a arced body, wherein the vertical part is located at the central section of the doorframe body, the arced body is located at upper and lower ends of the vertical part, the wall thickness of the arced body is gradually increased from two ends to the central section. Compared with the prior art, According to the utility model, the fan tower doorframe has the doorframe body formed by the integral forging of a steel ingot or a circular blank, the inner texture of the forging is compacted and uniform, the crystal grain is fine, thus the inner quality of the doorframe can be guaranteed, the strength of the upper and lower ends of the doorframe is enhanced, the performance is consistent, the fan tower doorframe can meet the requirements, thus the fan tower doorframe has high popularization application value.
Description
Technical field
The utility model relates to a kind of blower fan pylon parts, especially a kind of blower fan pylon doorframe that is installed on the blower fan pylon.
Background technique
At present, domestic blower fan pylon doorframe almost all adopts the Plate Steel cutting to form, but this doorframe exists some inevitable defectives.At first, Plate Steel is rolling forming on rolling mill with continuous casting steel billet or rectangle steel ingot (plate ingot).The casting defect of continuous casting steel billet or rectangle steel ingot inside all is stratiform can't remove in the operation of rolling along wide being distributed in of whole plate as loose, shrinkage cavity, sonims segregation etc., causes in the Plate Steel after rolling to have the intensive interlayer of defective; Secondly, because present domestic continuous casting steel billet thickest has only 300mm, plate ingot wall thickness is only about 500mm, more than the rolling 100mm during to the Plate Steel of 200mm, it is rolling obviously less than normal than (deformation ratio), has also caused rolling Plate Steel interior tissue inhomogeneous thick with crystal grain; Once more, should carry out normalized treatment after the Q345E Plate Steel is rolling, generally be in large-scale car-type heat treating furnace, Plate Steel to be stacked, heat then, be incubated, leaving the chassis air cooling at last handles, be subjected to condition restriction, Plate Steel is difficult to obtain uniform treatment in the heating and cooling process, does not also just reach the requirement and the effect of normalizing.Based on above-mentioned several reasons, every performance index, the especially low-temperature impact toughness of Q345E hot rolling Plate Steel, Z is difficult to reach requirement to tear resistance and ultrasonic flaw detection aspect.In addition, metal is in plastic deformation, and its interior tissue can not stopped the formation " fibrous structure " of degree, and promptly crystal texture is pressed the deformation direction distribution, and as hot rolling steel plate, the fiber direction of its interior tissue is that length direction is parallel with its rolling direction.Its mechanical property is anisotropic.Will be higher than steel plate width direction (laterally) in the indexs such as intensity along steel plate length direction (vertically), when using the hot rolling Plate Steel to cut the system doorframe, its inner fibrous tissue of the doorframe that cuts out is discontinuous.If doorframe is to get material cutting by the steel plate length direction, so the croos strength of its two end portions relatively a little less than, and this two-part stressed be maximum, in use just go wrong easily.At present, good solution is not also arranged.
The model utility content
Technical assignment of the present utility model is to provide a kind of blower fan pylon doorframe at above-mentioned deficiency of the prior art, this blower fan pylon doorframe has the doorframe body and adopts steel ingot or the solid forging of circle base, the forging interior tissue is careful evenly, grain refinement, can guarantee the internal soundness of doorframe, strengthened the doorframe intensity at two ends up and down, performance reaches unanimity, and can meet the requirements of characteristics.
The technological scheme that its technical problem that solves the utility model adopts is: it comprises the doorframe body, the solid forging of described doorframe body forms, the doorframe body comprises vertical portion and arc body, described vertical portion is positioned at the middle part of doorframe body, arc body is positioned at the two ends up and down of vertical portion, the wall thickness of described arc body from two ends to the middle part progressive additive.
Blower fan pylon doorframe of the present utility model is compared with prior art, have following outstanding beneficial effect: the doorframe body adopts steel ingot or the solid forging of circle base, the forging interior tissue is careful evenly, grain refinement, can guarantee the internal soundness of doorframe, strengthened the doorframe intensity at two ends up and down, performance reaches unanimity, and can reach characteristics such as requirement.
Description of drawings
Accompanying drawing 2 is the A-A views shown in Fig. 1;
Description of reference numerals: 1, arc body, 2, the vertical portion.
Embodiment
Explain with reference to Figure of description 1 with below 2 pairs of blower fan pylon doorframes works of the present utility model of accompanying drawing.
Blower fan pylon doorframe of the present utility model, its structure comprises the doorframe body, the solid forging of described doorframe body forms, the doorframe body comprises vertical portion 2 and arc body 1, two vertical portions 2 are positioned at the middle part of doorframe body about described, and arc body 1 is positioned at the two ends up and down of vertical portion 2, the wall thickness of described arc body 1 from two ends to the middle part progressive additive, increase the intensity of arc body 1, increased drag.
Blower fan pylon doorframe of the present utility model, its Forging Technology may further comprise the steps: select materials (1): raw material selection steel ingot or circle base blank, steel ingot or its forging defect of circle base blank are few, and this a spot of defective all concentrates on the center portion, (2) forge, jumping-up: steel ingot or circle base blank are forged, jumping-up, make its length dimension greater than doorframe length, (3) punching: with hydraulic press to forging, blank behind the jumping-up carries out punching, the blank that the center portion is had defective is removed, (4) reaming, roll off: carry out reaming again by the blank of Ring Rolling Machine after to punching, roll off, (5) be shaped: again with hydraulic press with reaming, blank behind the roll off forges and presses and makes its distortion, up to shaping, its deformation ratio reaches 8-10, make the forging interior tissue careful evenly, grain refinement, (6) cutting, finishing: doorframe is behind forging and molding, all surface all has surplus, need carry out mowing to outer edge with cutting machine, remove by size forging surplus, (7) normalized treatment: will repair the doorframe blank that is shaped and put into heat treatment furnace, carry out normalized treatment, thereby guaranteed the internal soundness of doorframe, (8) equating: will process equating by milling machine through two planes of the doorframe after the normalized treatment.
Blower fan pylon doorframe of the present utility model, the raw material that forge the doorframe employing are steel ingot or circle base, and blank is after jumping-up, punching, and a small amount of defective that it can be concentrated on the center portion is all removed; Blank is through custom-designed deformation technique forging and molding, and its forging ratio (deformation ratio) reaches 8-10, makes the forging interior tissue careful evenly, grain refinement; Then the doorframe blank that is shaped is carried out normalized treatment, thereby guaranteed the internal soundness of doorframe; Because forging doorframe is solid forging, its inner fibrous tissue is parallel with the doorframe periphery, is continuous distributed, makes each position of doorframe, and the intensity at two ends not only can not weaken especially up and down, strengthens to some extent on the contrary; Every performance index of the doorframe after the shaping all reach standard-required as tensile strength, yield strength etc., and Z is to the requirement of stretching reduction of cross sectional area above Z35, and performance reaches unanimity, and can reach the flaw detection requirement.
Except that the described technical characteristics of specification, be the known technology of those skilled in the art.
Claims (1)
1. blower fan pylon doorframe, comprise the doorframe body, it is characterized in that: the solid forging of described doorframe body forms, the doorframe body comprises vertical portion and arc body, described vertical portion is positioned at the middle part of doorframe body, arc body is positioned at the two ends up and down of vertical portion, the wall thickness of described arc body from two ends to the middle part progressive additive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201029555U CN201588746U (en) | 2010-01-28 | 2010-01-28 | Fan tower doorframe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201029555U CN201588746U (en) | 2010-01-28 | 2010-01-28 | Fan tower doorframe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201588746U true CN201588746U (en) | 2010-09-22 |
Family
ID=42748524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201029555U Expired - Fee Related CN201588746U (en) | 2010-01-28 | 2010-01-28 | Fan tower doorframe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201588746U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434408A (en) * | 2011-12-23 | 2012-05-02 | 北京金风科创风电设备有限公司 | Wind generating set tower frame door opening and design method thereof |
| EP2913521A1 (en) * | 2014-02-28 | 2015-09-02 | Mitsubishi Heavy Industries, Ltd. | Tower for wind turbine generator and wind turbine generator |
| CN104879280A (en) * | 2015-05-14 | 2015-09-02 | 同济大学 | Tower drum doorframe gradually varied in thickness |
| EP3219985A1 (en) * | 2016-03-14 | 2017-09-20 | Siemens Aktiengesellschaft | Wind turbine tower door frame |
-
2010
- 2010-01-28 CN CN2010201029555U patent/CN201588746U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434408A (en) * | 2011-12-23 | 2012-05-02 | 北京金风科创风电设备有限公司 | Wind generating set tower frame door opening and design method thereof |
| CN102434408B (en) * | 2011-12-23 | 2015-07-22 | 北京金风科创风电设备有限公司 | Wind generating set tower frame door opening and design method thereof |
| EP2913521A1 (en) * | 2014-02-28 | 2015-09-02 | Mitsubishi Heavy Industries, Ltd. | Tower for wind turbine generator and wind turbine generator |
| CN104879280A (en) * | 2015-05-14 | 2015-09-02 | 同济大学 | Tower drum doorframe gradually varied in thickness |
| EP3219985A1 (en) * | 2016-03-14 | 2017-09-20 | Siemens Aktiengesellschaft | Wind turbine tower door frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 250217 Zhangqiu Province, Ji'nan City, the town of Wang Ji Road, No., No. 9001 Patentee after: SHANDONG IRAETA HEAVY INDUSTRY CO., LTD. Address before: The first Luyang Industrial Park in Zhangqiu City, Ji'nan City, 250217 Guanzhuang Township in Shandong province Zhao Cun Xi No. 8 three Patentee before: Shandong Iraeta Heavy Industry Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100922 Termination date: 20180128 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |