CN102658451B - For Manufacturing method of large-diameter steel pipe pile for offshore wind power equipment - Google Patents
For Manufacturing method of large-diameter steel pipe pile for offshore wind power equipment Download PDFInfo
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- CN102658451B CN102658451B CN201110351645.6A CN201110351645A CN102658451B CN 102658451 B CN102658451 B CN 102658451B CN 201110351645 A CN201110351645 A CN 201110351645A CN 102658451 B CN102658451 B CN 102658451B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 31
- 239000010959 steel Substances 0.000 title claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 238000003466 welding Methods 0.000 claims abstract description 67
- 239000000463 material Substances 0.000 claims abstract description 9
- 230000011218 segmentation Effects 0.000 claims description 19
- 238000001514 detection method Methods 0.000 claims description 10
- 235000007164 Oryza sativa Nutrition 0.000 claims description 3
- 235000009566 rice Nutrition 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 4
- 210000001503 Joints Anatomy 0.000 description 3
- 241000209094 Oryza Species 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The invention discloses a kind of for Manufacturing method of large-diameter steel pipe pile for offshore wind power equipment, described manufacture method comprises the following steps: step 1: prepare steel plate sheet material, the thickness of described steel plate is between 45mm 70mm, its width is between 34 meters, and its length determines according to the diameter of required steel-pipe pile；Step 2: described steel plate sheet material is rolled into cylinder by veneer reeling machine；Step 3: the longitudinal slot of described cylinder is welded；Step 4: the described cylinder after welding is carried out fourth contact；Step 5: by crane by three sections of described cylinder liftings to group pair roller frame, and the seam crossing of adjacent two sections of described cylinders is carried out interior exterior annular welding.The manufacture method for large-diameter steel pipe pile for offshore wind power equipment of the present invention solves large diameter, a difficult problem for extra heavy steel-pipe pile processing and fabricating, provides for sea turn electric industry introducing single tube pile construction technology and provides powerful support for, greatly reduces construction costs.
Description
Technical field
The present invention relates to for large-diameter steel pipe pile for offshore wind power equipment, particularly for Manufacturing method of large-diameter steel pipe pile for offshore wind power equipment.
Background technology
Intertidal zone is between the high and low tidal level of spring tide, the area being submerged with tiding and exposing.According to preresearch estimates, Intertidal zone annual mean wind speed, up to 6-7 meter per second, therefore possesses utilizable wind energy in Intertidal zone.Currently also occur in that increasing offshore wind energy plant.
Oversea wind power generation is both locations with the maximum difference of land wind-power electricity generation, owing to the basis of offshore wind farm unit is in sea, add much extra load and uncertain factor, thus design complex, version also due to different sea situations and diversified.What the fixed basis of offshore wind farm unit was the most frequently used has 3 kinds: single pile formula, gravity type and triangle posture.Single pile type foundation is because of its simple in construction and easy for installation, for the most commonplace form.There is no the manufacture method for large-diameter steel pipe pile for offshore wind power equipment at home.
Accordingly, it is desirable to provide for Manufacturing method of large-diameter steel pipe pile for offshore wind power equipment to solve the problems referred to above.
Summary of the invention
In order to solve this problem, the invention discloses a kind of for Manufacturing method of large-diameter steel pipe pile for offshore wind power equipment, described manufacture method comprises the following steps:
Step 1: preparing steel plate sheet material, the thickness of described steel plate is between 45mm-70mm, and its width is between 3-4 rice, and its length determines according to the diameter of required steel-pipe pile；
Step 2: described steel plate sheet material is rolled into cylinder by veneer reeling machine；
Step 3: the longitudinal slot of described cylinder is welded；
Step 4: the described cylinder after welding is carried out fourth contact；
Step 5: by crane by three sections of described cylinder liftings to group pair roller frame, and the seam crossing of adjacent two sections of described cylinders is carried out interior exterior annular welding.
It is preferred that described step 3 further includes steps of
Step 3.1: before welding weld polished and clear up；
Step 3.2: the preheating before welding；
Step 3.3: weld outside longitudinal joint, the welding outside this only carries out the half of the pre-welding degree of depth；
Step 3.4: weld inside longitudinal joint is cleared up, polished；
Step 3.5: weld inside longitudinal joint；
Step 3.6: continue part remaining to outside and weld；
Step 3.7: be incubated 2 hours.
It is preferred that described step 5 further includes steps of
Step 5.1: before welding weld polished and clear up；
Step 5.2: the preheating before welding；
Step 5.3: weld the inner side of two cylinder seams, the welding inside this only carries out the half of the pre-welding degree of depth；
Step 5.4: the outside of cylinder seam is needed weld to clear up, polishes；
Step 5.5: the outside of two cylinder seams is welded；
Step 5.6: continue remaining part inside abutment joint and weld；
Step 5.7: be incubated 2 hours.
It is preferred that after above-mentioned steps 3.7 and step 5.7, also include that the step carrying out detecting a flaw, described flaw detection step are carried out after above-mentioned steps 3.7 and step 5.7 complete 24 hours, the time of carrying out is 1 hour.
It is preferred that described manufacture method also includes:
Step 6: two syllogic cylinders are carried out the welding outside seam, to obtain six segmentation cylinders；
Step 7: six segmentation cylinders in step 6 are carried out the welding inside seam；
Step 8: a syllogic cylinder and an one-part form cylinder are carried out the welding outside seam, to obtain a four-part form cylinder；
Step 9: the four-part form cylinder in step 8 is carried out the welding inside seam.
It is preferred that described step 6 and 8 further includes steps of
Step 6.1: the outside of cylinder seam is needed weld to clear up, polishes；
Step 6.2: the preheating before welding；
Described step 7 and 9 further includes steps of
Step 7.1: the inner side of cylinder seam is needed weld to clear up, polishes；
Step 7.2: the preheating before welding；
Step 7.3: the inner side of cylinder seam is welded；
Step 7.4: cylinder is incubated 2 hours；
Step 7.5: detect a flaw cylinder, described flaw detection step is preferably carried out after step 7.4 completes 24 hours, and the time of carrying out is about 1.5 hours.
It is preferred that described manufacture method is further comprising the steps of:
Step 10: by two six segmentation cylinders and a four-part form cylinder group pair, and weld inside its seam, to obtain the cylinder of 16 segmentations.
Step 11: the cylinder of above-mentioned 16 segmentations is carried out the welding outside seam.
It is preferred that described step 10 also includes:
Step 10.1: by two six segmentation cylinders and a four-part form cylinder group to leveling, and carry out spot welding at seam crossing；
Step 10.2: the inner side of cylinder seam is needed weld to clear up, polishes；
Step 10.3: the preheating before welding；
Step 10.4: carry out the welding inside seam；
Step 10.5: carry out the secondary welding inside seam；
Step 10.6: be incubated 2 hours.
It is preferred that described step 11 also includes:
Step 11.1: the outside of cylinder seam is needed weld to clear up, polishes；
Step 11.2: the preheating before welding；
Step 11.3: carry out the welding outside seam；
Step 11.4: detect a flaw cylinder, described flaw detection step 11.3 is carried out after completing 24 hours, and the time of carrying out is about 1.5 hours.
The manufacture method for large-diameter steel pipe pile for offshore wind power equipment of the present invention solves large diameter, a difficult problem for extra heavy steel-pipe pile processing and fabricating, provides for sea turn electric industry introducing single tube pile construction technology and provides powerful support for, greatly reduces construction costs.
Introducing the concept of a series of reduced form in Summary, this will further describe in detailed description of the invention part.Present invention part is not meant to key feature and the essential features attempting to limit technical scheme required for protection, does not more mean that the protection domain attempting to determine technical scheme required for protection.
Below in conjunction with material, describe advantages and features of the invention in detail.
Accompanying drawing explanation
Nothing.
Detailed description of the invention
In the following description, a large amount of concrete details is given to provide more thorough understanding of the invention.It will be apparent, however, to one skilled in the art that the present invention can be carried out without these details one or more.In other example, in order to avoid obscuring with the present invention, technical characteristics more well known in the art are not described.
In order to thoroughly understand the present invention, detailed structure will be proposed in following description.Obviously, the execution of the present invention is not limited to the specific details that those skilled in the art is familiar with.Presently preferred embodiments of the present invention is described in detail as follows, but in addition to these describe in detail, the present invention can also have other embodiments.
Hereinafter embodiments of the invention are described in detail.
Comprise the following steps for Manufacturing method of large-diameter steel pipe pile for offshore wind power equipment according to an embodiment of the invention:
1, steel plate sheet material is prepared.The thickness of this steel plate is between 45mm-70mm, and its width is 3-4 rice, and length determines according to required pile tube diameter, i.e. the perimeter length of the steel-pipe pile of a length of formation of steel plate.Generally, a diameter of 4.5 meters-6 meters of steel-pipe pile.Therefore, the length of steel plate is about between 14 meters-19 meters.The width of this steel plate is preferably 3.5 meters.
2, by veneer reeling machine, above-mentioned steel plate sheet material is rolled into cylinder, i.e. this roll of steel plate is made tubular by the length direction along above-mentioned steel plate.This cylinder is also referred to as one-part form cylinder.
3, the longitudinal slot of above-mentioned cylinder is welded.
4, the cylinder after welding is carried out fourth contact.The step for purpose be to ensure that the circularity of cylinder.
5, by crane by three sections of above-mentioned cylinder liftings extremely group pair roller frame, and the seam crossing of adjacent two cylindrical sections is carried out interior exterior annular welding.
After above-mentioned steps, three one-part form cylinders are connected for a syllogic cylinder.
It is preferred that the longitudinal seam welding of above-mentioned steps 3 further includes steps of
Weld is polished and clears up by 3.1 before welding, preferably welds to facilitate.
3.2 weld before preheating.It is preferred that the time of this preheating step is 3.5 hours.
Weld outside 3.3 pairs of longitudinal joints.In this step, the welding in outside only carries out the half of the pre-welding degree of depth.
Inside 3.4 pairs of longitudinal joints, weld is cleared up, is polished.
Weld inside 3.5 pairs of longitudinal joints.
3.6 continue part remaining to outside welds.
3.7 insulations 2 hours.
Further, in order to find defect ware as early as possible, after above-mentioned incubation step 3.7 completes, in addition it is also necessary to carry out the step detected a flaw.Described flaw detection step is preferably carried out after 24 hours in incubation step, and the time of carrying out is about 1 hour.
It is preferred that above-mentioned steps 5 further includes steps of
Weld is polished and clears up by 5.1 before welding, preferably welds to facilitate.
5.2 weld before preheating.It is preferred that the time of this preheating step is 3.5 hours.
The inner side of 5.3 pairs of two cylinder seams is welded.In this step, welding to inner side only carries out the half of the pre-welding degree of depth.
The outside of 5.4 pairs of cylinder seams needs weld to clear up, polishes.
The outside of 5.5 pairs of two cylinder seams is welded.
5.6 continue remaining part inside abutment joint welds.
5.7 insulations 2 hours.
Further, in order to find defect ware as early as possible, after above-mentioned incubation step 5.7 completes, in addition it is also necessary to carry out the step detected a flaw.Described flaw detection step is preferably carried out after 24 hours in incubation step, and the time of carrying out is about 1 hour.
After the above step is finished, 3 one-part form cylinder weldings syllogic cylinder together is defined.
After completing above-mentioned syllogic cylinder, the manufacture method of the present invention further includes steps of
6. two syllogic cylinders are carried out the welding outside seam, to obtain six segmentation cylinders.
7. six segmentation cylinders in pair step 6 carry out the welding inside seam.
8. a syllogic cylinder and an one-part form cylinder are carried out the welding outside seam, to obtain a four-part form cylinder.
9. the four-part form cylinder in pair step 8 carries out the welding inside seam.
It is also preferred that the left the welding outside seam in above-mentioned steps 6 and 8, further include steps of
The outside of 6.1 pairs of cylinder seams needs weld to clear up, polishes.
6.2 weld before preheating.It is preferred that the time of this preheating step is 3.5 hours.
It is also preferred that the left the welding inside seam in above-mentioned steps 7 and 9, further include steps of
The inner side of 7.1 pairs of cylinder seams needs weld to clear up, polishes.
7.2 weld before preheating.It is preferred that the time of this preheating step is 3.5 hours.
The inner side of 7.3 pairs of cylinder seams is welded.
7.4 pairs of cylinders are incubated 2 hours.
7.5 pairs of cylinders are detected a flaw.Described flaw detection step is preferably carried out after 24 hours in incubation step, and the time of carrying out is about 1.5 hours.
After completing the procedure, the cylinder of six segmentations and the cylinder of four-part form can be obtained.Further, the manufacture method of the present invention is further comprising the steps of:
10. by two six segmentation cylinders and a four-part form cylinder group pair, and weld inside its seam, to obtain the cylinder of 16 segmentations.
The cylinder of above-mentioned 16 segmentations is carried out the welding outside seam by 11., to reach the steel-pipe pile of the present invention.
Above-mentioned step 10 farther includes:
10.1 by two six segmentation cylinders and a four-part form cylinder group to leveling, and carry out spot welding at seam crossing.
The inner side of 10.2 pairs of cylinder seams needs weld to clear up, polishes.
10.3 weld before preheating.It is preferred that the time of this preheating step is 3.5 hours.
10.4 carry out the welding inside seam.
10.5 carry out the secondary welding inside seam.
10.6 insulations 2 hours.
Above-mentioned step 11 farther includes:
The outside of 11.1 pairs of cylinder seams needs weld to clear up, polishes.
11.2 weld before preheating.It is preferred that the time of this preheating step is 3.5 hours.
11.3 carry out the welding outside seam.
11.4 pairs of cylinders are detected a flaw.Described flaw detection step is preferably carried out after step 11.3 completes 24 hours, and the time of carrying out is about 1.5 hours.
Through above-mentioned step, the large diameter steel pipe pile being made up of 16 one-part form cylinders can be obtained.
The manufacture method for large-diameter steel pipe pile for offshore wind power equipment of the present invention solves large diameter, a difficult problem for extra heavy steel-pipe pile processing and fabricating, provides for sea turn electric industry introducing single tube pile construction technology and provides powerful support for, greatly reduces construction costs.
The present invention is illustrated by above-described embodiment, but it is to be understood that, above-described embodiment is only intended to citing and descriptive purpose, and is not intended to limit the invention in described scope of embodiments.In addition it will be appreciated by persons skilled in the art that and the invention is not limited in above-described embodiment, more kinds of variants and modifications can also be made according to the teachings of the present invention, within these variants and modifications all fall within scope of the present invention.Protection scope of the present invention is defined by the appended claims and equivalent scope thereof.
Claims (6)
1. one kind is used for Manufacturing method of large-diameter steel pipe pile for offshore wind power equipment, it is characterised in that institute
State manufacture method to comprise the following steps:
Step 1: prepare steel plate sheet material, the thickness of described steel plate between 45mm-70mm, its width
Between 3-4 rice, its length determines according to the diameter of required steel-pipe pile；
Step 2: described steel plate sheet material is rolled into cylinder by veneer reeling machine；
Step 3: the longitudinal slot of described cylinder is welded；
Step 4: the described cylinder after welding is carried out fourth contact；
Step 5: by crane by three sections of described cylinder liftings to group pair roller frame, and to adjacent two sections
The seam crossing of described cylinder carries out interior exterior annular welding；
Described step 3 further includes steps of
Step 3.1: before welding weld polished and clear up；
Step 3.2: the preheating before welding；
Step 3.3: weld outside longitudinal joint, the welding outside this only carries out the pre-welding degree of depth
Half；
Step 3.4: weld inside longitudinal joint is cleared up, polished；
Step 3.5: weld inside longitudinal joint；
Step 3.6: continue part remaining to outside and weld；
Step 3.7: be incubated 2 hours；
Described step 5 further includes steps of
Step 5.1: before welding weld polished and clear up；
Step 5.2: the preheating before welding；
Step 5.3: weld the inner side of two cylinder seams, the welding inside this only carries out pre-
The half of the depth of weld；
Step 5.4: the outside of cylinder seam is needed weld to clear up, polishes；
Step 5.5: the outside of two cylinder seams is welded；
Step 5.6: continue remaining part inside abutment joint and weld；
Step 5.7: be incubated 2 hours.
Manufacture method the most according to claim 1, it is characterised in that in above-mentioned steps 3.7
After step 5.7, also including the step carrying out detecting a flaw, described flaw detection step is above-mentioned steps 3.7 He
Step 5.7 is carried out after completing 24 hours, and the time of carrying out is 1 hour；
Described manufacture method also includes:
Step 6: two syllogic cylinders are carried out the welding outside seam, to obtain six segmentations
Cylinder；
Step 7: six segmentation cylinders in step 6 are carried out the welding inside seam；
Step 8: a syllogic cylinder and an one-part form cylinder are carried out the welding outside seam,
To obtain a four-part form cylinder；
Step 9: the four-part form cylinder in step 8 is carried out the welding inside seam.
Manufacture method the most according to claim 2, it is characterised in that described step 6 and 8
Further include steps of
Step 6.1: the outside of cylinder seam is needed weld to clear up, polishes；
Step 6.2: the preheating before welding；
Described step 7 and 9 further includes steps of
Step 7.1: the inner side of cylinder seam is needed weld to clear up, polishes；
Step 7.2: the preheating before welding；
Step 7.3: the inner side of cylinder seam is welded；
Step 7.4: cylinder is incubated 2 hours；
Step 7.5: detect a flaw cylinder, described flaw detection step is after step 7.4 completes 24 hours
Carrying out, the time of carrying out is about 1.5 hours.
Manufacture method the most according to claim 3, it is characterised in that described manufacture method is also wrapped
Include following steps:
Step 10: by two six segmentation cylinders and a four-part form cylinder group pair, and to its seam inside
Weld, to obtain the cylinder of 16 segmentations；
Step 11: the cylinder of above-mentioned 16 segmentations is carried out the welding outside seam.
Manufacture method the most according to claim 4, it is characterised in that described step 10 is also wrapped
Include:
Step 10.1: by two six segmentation cylinders and a four-part form cylinder group to leveling, and in seam
Place carries out spot welding；
Step 10.2: the inner side of cylinder seam is needed weld to clear up, polishes；
Step 10.3: the preheating before welding；
Step 10.4: carry out the welding inside seam；
Step 10.5: carry out the secondary welding inside seam；
Step 10.6: be incubated 2 hours.
Manufacture method the most according to claim 4, it is characterised in that described step 11 is also wrapped
Include:
Step 11.1: the outside of cylinder seam is needed weld to clear up, polishes；
Step 11.2: the preheating before welding；
Step 11.3: carry out the welding outside seam；
Step 11.4: cylinder is detected a flaw, described flaw detection step 11.3 is carried out after completing 24 hours,
The time of carrying out is about 1.5 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110351645.6A CN102658451B (en) | 2011-11-09 | For Manufacturing method of large-diameter steel pipe pile for offshore wind power equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110351645.6A CN102658451B (en) | 2011-11-09 | For Manufacturing method of large-diameter steel pipe pile for offshore wind power equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102658451A CN102658451A (en) | 2012-09-12 |
| CN102658451B true CN102658451B (en) | 2016-12-14 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101016806A (en) * | 2006-12-20 | 2007-08-15 | 韩永波 | Tower or silo frame section pairing method and pairing platform |
| CN101885099A (en) * | 2010-07-16 | 2010-11-17 | 潍坊五洲风电设备有限公司 | Welding process applying submerged automatic arc welding to wind power generation tower foundation seat |
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101016806A (en) * | 2006-12-20 | 2007-08-15 | 韩永波 | Tower or silo frame section pairing method and pairing platform |
| CN101885099A (en) * | 2010-07-16 | 2010-11-17 | 潍坊五洲风电设备有限公司 | Welding process applying submerged automatic arc welding to wind power generation tower foundation seat |
Non-Patent Citations (3)
| Title |
|---|
| 风力发电塔架的制作;黄窈勃等;《施工技术》;20090630;第38卷;第535-538页 * |
| 风力发电塔架的制作;黄窈勃等;《施工技术》;20090630;第38卷;第536页 * |
| 风塔的制作;许东;《化工建设工程》;20040630;第26卷(第3期);第47页 * |
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