CN103967041A - Wind turbine foundation ring construction method - Google Patents
Wind turbine foundation ring construction method Download PDFInfo
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- CN103967041A CN103967041A CN201410213966.3A CN201410213966A CN103967041A CN 103967041 A CN103967041 A CN 103967041A CN 201410213966 A CN201410213966 A CN 201410213966A CN 103967041 A CN103967041 A CN 103967041A
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- foundation ring
- blower foundation
- leveling
- ring
- wind turbine
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Abstract
The invention relates to a wind turbine foundation ring construction method. A wind turbine foundation ring comprises an upper flange and a lower flange. The wind turbine foundation ring construction method comprises the steps of (1) wind turbine foundation ring alignment, (2) wind turbine foundation ring coarse adjustment, (3) binding of base plate rebars and rebars on the inner side and the outer side of the foundation ring, (4) wind turbine foundation ring fine adjustment, and (5) concrete pouring construction. According to the leveling method, in the process of each time of leveling, only one measuring instrument is adopted, the number of instruments is reduced, the number of staff is reduced, and the frequency of leveling and control is simplified to two times instead of original three times of leveling and control. Torsion-resistant bars play a role in reinforcing the foundation ring, and safety of scale erection staff is ensured in the fine adjustment process. According to the wind turbine foundation ring construction method, the error ranges from 0.0 mm to 0.3 mm, and the design requirements are completely met; after the foundation ring is leveled, no adjustment needs to be carried out in the construction process of a foundation; rapid fine leveling is carried out according to the manufacturing errors of the foundation ring.
Description
Technical field
The invention belongs to blower foundation ring installing area, especially a kind of blower foundation ring construction method.
Background technology
Blower foundation ring construction method is mainly to comprise the leveling of blower foundation ring and concrete construction, and the leveling of blower foundation ring can be divided into coarse adjustment, fine setting, accurate adjustment 3 procedures.Coarse adjustment is exactly with 1 total powerstation, to coordinate 2 level gauges to measure at discharge ring support member place, by adjusting screw rod lifting discharge ring, makes discharge ring surface reach substantially smooth; Fine setting is exactly at discharge ring surface uniform, to arrange 9 or 12 points on the basis of coarse adjustment, utilizes 1 total powerstation to coordinate 2 level gauges to carry out in-site measurement control, so that base surface levelness Deviation Control is within the scope of designing requirement; Accurately the object of leveling is mainly the error while eliminating fine setting, utilizes 2 level gauges to carry out in-site measurement control, and 9 control points that Fundamentals of Measurement ring upper surface is arranged comprehensively, make surface levelness Deviation Control in least limit as far as possible.After precision regulating reef knot bundle, nut is adjusted in locking, the in the situation that of not going up people on discharge ring surface, personnel stand on stool at the other vertical Sopwith staff of side, utilize 2 level gauges again layout points to be carried out to repetition measurement, if levelness deviation meets the demands, just enter next procedure construction, if do not meet the demands, re-start leveling work, more than this kind of method measuring apparatus and personnel, also need frequent repetition measurement, be unfavorable for construction speed and quality, also will strengthen difficulty of construction and cost.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of blower foundation ring construction method is provided, this leveling method reduces measuring apparatus quantity and staffing, simplify leveling operation, reduction, because of the expense that reinforcement measure produces, has reduced construction costs, has improved installation rate, and this method is simple and easy to grasp, and installation quality is easy to control.
The present invention solves its technical problem and is achieved through the following technical solutions:
A blower foundation ring construction method, blower foundation ring comprises upper flange and lower flange, its leveling method is:
(1), blower foundation ring centering: first blower foundation ring is vertically sling with crane, by supporting leveling, with bolt, by design load, be equidistantly contained on the lower flange of blower foundation ring, the tower cylinder door central point corresponding to lower flange outside of blower foundation ring of take is starting point, by invar tape 3 grades after verification, divide the outer perimeter of the lower flange of blower foundation ring, and carry out 3 corresponding gauge points; In the time of on the blower foundation ring pre-embedded steel slab to bed course in place, by the tower cylinder door central point on blower foundation ring upper flange with on bed course, with the tower cylinder door central point that the line of ink marker ejects, align, error is less than 10mm; By 3 gauge points of minute girth such as mark on blower foundation ring lower flange with on bed course, with 3 built-in fitting center lines of line of ink marker ejection, align, error is less than 15mm, with plumb bob, checks; After centering, by equidistant three supporting legs that arrange below blower foundation ring respectively with bed course on pre-embedded steel slab firm welding, can withdraw crane;
(2), blower foundation ring coarse adjustment: one of the level gauge that sets up verification on bed course, height of leveling instrument is lower than the lower flange bottom surface of blower foundation ring, steel set-square reversal of the natural order of things is measured at the upper surface of a supporting leg lower flange, other two supporting legs are measured successively, after measurement completes, survey data according to three supporting leg places, take that any regulates other 2 respectively as reference point, during adjusting, with the jack of 10 tons, support, by the adjusting bolt arranging on supporting leg, carry out height coarse adjustment, release jack after adjusting completes, and adjusting nut is tightened, after completing, adjusting carries out repetition measurement, within the horizontal gradient error of three supporting leg place blower foundation rings is controlled to 5mm,
(3), the colligation of the antitorque reinforcing bar in the inside and outside both sides of base plate guiding principle muscle and discharge ring;
(4), blower foundation ring accurate adjustment: the row labels of first being gone forward side by side in minute 12 some positions such as upper flange surface outer shroud of blower foundation ring before accurate adjustment, with the corresponding bolt hole of tower cylinder door direction, arrange clockwise, foundation ditch along on set up one of the electronic level of verification, be equipped with glass steel ruler the control of levelness is carried out in these 12 some positions, then 3 of three supporting leg places some positions are measured and record data, error information with reference to institute's corresponding points position on blower foundation ring Delivery Inspection Report, the difference of 3 some positions, three supporting leg places is adjusted to and makes the same numerical value of error, the blower foundation ring coarse adjustment in (2) of this control method and step is the same, finally measure all the other 9 some positions, it is with electric welding, adjusting screw(rod) and nut-welding is firm after adjusting completes, the leveling of blower foundation ring is complete,
(5), pouring concrete construction: concrete is built the front concrete part of first blower foundation ring being exposed and wrapped up with Polypropylence Sheet, during cast clockwise or counterclockwise by placement layer by layer outside to inside, finally build blower foundation ring center, utilize peripheral concrete of having built to the firm discharge ring of the effect of reinforcing bar, blower foundation circulating application work is complete
Advantage of the present invention and beneficial effect are:
Leveling method of the present invention has only adopted a set of measuring apparatus when each leveling, has reduced instrument quantity and staffing, again at least three times original leveling and control is simplified to twice.Utilize antitorque muscle to play the effect of underpinning ring, while also having guaranteed accurate adjustment, vertical chi staff's safety, meets design requirement completely simultaneously, after discharge ring essence is flat, in basic work progress without adjusting again; Foozle according to discharge ring is smart flat fast.Concrete of the present invention is built by outside to inside, has both met the requirement of building of prevention of mass concrete, utilize again peripheral concrete of having built firm discharge ring, reduced the disturbance to discharge ring in concrete casting process.After having constructed by this construction method, then discharge ring is rechecked, the survey data after complete with accurate adjustment is compared, and error is only between 0.0mm-0.3mm.
Accompanying drawing explanation
Fig. 1 is blower foundation ring structure schematic diagram of the present invention;
Fig. 2 is that the A-A of Fig. 1 is to sectional view;
Fig. 3 is the position view of jack in installing and steel set-square;
Fig. 4 is the pouring concrete sequential schematic of blower foundation ring.
The specific embodiment
Below by specific embodiment, the invention will be further described, and following examples are descriptive, is not determinate, can not limit protection scope of the present invention with this.
A blower foundation ring construction method, blower foundation ring 2 comprises upper flange 9 and lower flange 8, its leveling method is:
(1), blower foundation ring centering: first blower foundation ring is vertically sling with crane, by supporting leveling, with bolt, by design load, be equidistantly contained on the lower flange of blower foundation ring, tower cylinder door 1 central point corresponding to lower flange outside of blower foundation ring of take is starting point, by invar tape 3 grades after verification, divide the outer perimeter of the lower flange of blower foundation ring, and carry out 3 corresponding gauge points; In the time of on the blower foundation ring pre-embedded steel slab to bed course in place, by the tower cylinder door central point on blower foundation ring upper flange with on bed course, with the tower cylinder door central point that the line of ink marker ejects, align, error is less than 10mm; By 3 gauge points of minute girth such as mark on blower foundation ring lower flange with on bed course, with 3 built-in fitting center lines of line of ink marker ejection, align, error is less than 15mm, with plumb bob, checks; After centering, by equidistant three supporting legs 6 that arrange below blower foundation ring respectively with bed course on pre-embedded steel slab firm welding, can withdraw crane;
(2), blower foundation ring coarse adjustment: one of the level gauge that sets up verification on bed course, height of leveling instrument is lower than the lower flange bottom surface of blower foundation ring, steel set-square 11 reversals of the natural order of things are measured at the upper surface of a supporting leg lower flange, other two supporting legs are measured successively, after measurement completes, survey data according to three supporting leg places, take that any regulates other 2 respectively as reference point, jack 10 with 10 tons during adjusting supports, by the adjusting bolt 5 arranging on supporting leg, carry out height coarse adjustment, adjusting bolt is arranged on supporting leg upper surface 7, in adjusting bolt above lower flange, be provided with adjusting nut 3, in adjusting bolt below lower flange, be provided with lower adjusting nut 4, release jack after adjusting completes, and adjusting nut is tightened, after completing, adjusting carries out repetition measurement, within the horizontal gradient error of three supporting leg place blower foundation rings is controlled to 5mm,
(3), the colligation of the antitorque reinforcing bar in the inside and outside both sides of base plate guiding principle muscle and discharge ring;
(4), blower foundation ring accurate adjustment: the row labels of first being gone forward side by side in minute 12 some positions such as upper flange surface outer shroud of blower foundation ring before accurate adjustment, with the corresponding bolt hole of tower cylinder door direction, arrange clockwise, foundation ditch along on set up one of the electronic level of verification, be equipped with glass steel ruler the control of levelness is carried out in these 12 some positions, then 3 of three supporting leg places some positions are measured and record data, error information with reference to institute's corresponding points position on blower foundation ring Delivery Inspection Report, the difference of 3 some positions, three supporting leg places is adjusted to and makes the same numerical value of error, the blower foundation ring coarse adjustment in (2) of this control method and step is the same, finally measure all the other 9 some positions, it is with electric welding, adjusting screw(rod) and nut-welding is firm after adjusting completes, the leveling of blower foundation ring is complete,
(5), pouring concrete construction: concrete is built the front concrete part of first blower foundation ring being exposed and wrapped up with Polypropylence Sheet, during cast clockwise or counterclockwise by placement layer by layer outside to inside, finally build blower foundation ring center, utilize peripheral concrete of having built to the firm discharge ring of the effect of reinforcing bar, blower foundation circulating application work is complete.
Claims (1)
1. a blower foundation ring construction method, blower foundation ring comprises upper flange and lower flange, it is characterized in that: this leveling method is:
(1), blower foundation ring centering: first blower foundation ring is vertically sling with crane, by supporting leveling, with bolt, by design load, be equidistantly contained on the lower flange of blower foundation ring, the tower cylinder door central point corresponding to lower flange outside of blower foundation ring of take is starting point, by invar tape 3 grades after verification, divide the outer perimeter of the lower flange of blower foundation ring, and carry out 3 corresponding gauge points; In the time of on the blower foundation ring pre-embedded steel slab to bed course in place, by the tower cylinder door central point on blower foundation ring upper flange with on bed course, with the tower cylinder door central point that the line of ink marker ejects, align, error is less than 10mm; By 3 gauge points of minute girth such as mark on blower foundation ring lower flange with on bed course, with 3 built-in fitting center lines of line of ink marker ejection, align, error is less than 15mm, with plumb bob, checks; After centering, by equidistant three supporting legs that arrange below blower foundation ring respectively with bed course on pre-embedded steel slab firm welding, can withdraw crane;
(2), blower foundation ring coarse adjustment: one of the level gauge that sets up verification on bed course, height of leveling instrument is lower than the lower flange bottom surface of blower foundation ring, steel set-square reversal of the natural order of things is measured at the upper surface of a supporting leg lower flange, other two supporting legs are measured successively, after measurement completes, survey data according to three supporting leg places, take that any regulates other 2 respectively as reference point, during adjusting, with the jack of 10 tons, support, by the adjusting bolt arranging on supporting leg, carry out height coarse adjustment, release jack after adjusting completes, and adjusting nut is tightened, after completing, adjusting carries out repetition measurement, within the horizontal gradient error of three supporting leg place blower foundation rings is controlled to 5mm,
(3), the colligation of the antitorque reinforcing bar in the inside and outside both sides of base plate guiding principle muscle and discharge ring;
(4), blower foundation ring accurate adjustment: the row labels of first being gone forward side by side in minute 12 some positions such as upper flange surface outer shroud of blower foundation ring before accurate adjustment, with the corresponding bolt hole of tower cylinder door direction, arrange clockwise, foundation ditch along on set up one of the electronic level of verification, be equipped with glass steel ruler the control of levelness is carried out in these 12 some positions, then 3 of three supporting leg places some positions are measured and record data, error information with reference to institute's corresponding points position on blower foundation ring Delivery Inspection Report, the difference of 3 some positions, three supporting leg places is adjusted to and makes the same numerical value of error, the blower foundation ring coarse adjustment in (2) of this control method and step is the same, finally measure all the other 9 some positions, it is with electric welding, adjusting screw(rod) and nut-welding is firm after adjusting completes, the leveling of blower foundation ring is complete,
(5), pouring concrete construction: concrete is built the front concrete part of first blower foundation ring being exposed and wrapped up with Polypropylence Sheet, during cast clockwise or counterclockwise by placement layer by layer outside to inside, finally build blower foundation ring center, utilize peripheral concrete of having built to the firm discharge ring of the effect of reinforcing bar, blower foundation circulating application work is complete.
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| CN201410213966.3A CN103967041B (en) | 2014-05-21 | 2014-05-21 | Blower foundation ring construction method |
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| CN201410213966.3A CN103967041B (en) | 2014-05-21 | 2014-05-21 | Blower foundation ring construction method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929148A (en) * | 2015-07-06 | 2015-09-23 | 同济大学建筑设计研究院(集团)有限公司 | Reverse installation reinforcement system and method of wind power generation tower foundation ring foundation |
| CN105134512A (en) * | 2015-08-14 | 2015-12-09 | 大连理工大学 | Special attachment backing ring for fan |
| CN106436735A (en) * | 2016-07-27 | 2017-02-22 | 中国能源建设集团安徽电力建设第工程有限公司 | Wind turbine foundation ring installation method |
| CN106595449A (en) * | 2016-12-21 | 2017-04-26 | 尹建云 | Testing method for coaxiality of flanges at two ends of pipeline valve |
| CN106738295A (en) * | 2017-01-17 | 2017-05-31 | 中交公局第二工程有限公司 | A kind of adjustable forced centering apparatus of beam sections short-line prefabrication measurement |
| CN111963383A (en) * | 2020-08-17 | 2020-11-20 | 上海电气风电集团股份有限公司 | Foundation ring and machining and construction method thereof |
| CN112123251A (en) * | 2020-08-31 | 2020-12-25 | 广东工业大学 | Offshore wind turbine bolt set centering method based on visual tracking |
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| JP2002256573A (en) * | 2001-03-02 | 2002-09-11 | Chubu Electric Power Co Inc | Foundation for existing foundation reinforcing steel tower and construction method for it |
| CN201915507U (en) * | 2011-01-13 | 2011-08-03 | 葛洲坝集团第五工程有限公司 | Adjustable setting mould |
| CN202023199U (en) * | 2011-03-25 | 2011-11-02 | 国水投资集团包头风电科技有限公司 | Pre-stressed anchor plate and anchor bolt assembly for foundation |
| CN102758445A (en) * | 2011-04-27 | 2012-10-31 | 华锐风电科技(集团)股份有限公司 | Foundation leveling device, foundation assembly and foundation forming method for wind driven generator tower |
| CN103255778A (en) * | 2013-03-22 | 2013-08-21 | 广东明阳风电产业集团有限公司 | Grouting positioning and leveling method for offshore wind turbine jacket foundation setting |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2002256573A (en) * | 2001-03-02 | 2002-09-11 | Chubu Electric Power Co Inc | Foundation for existing foundation reinforcing steel tower and construction method for it |
| CN201915507U (en) * | 2011-01-13 | 2011-08-03 | 葛洲坝集团第五工程有限公司 | Adjustable setting mould |
| CN202023199U (en) * | 2011-03-25 | 2011-11-02 | 国水投资集团包头风电科技有限公司 | Pre-stressed anchor plate and anchor bolt assembly for foundation |
| CN102758445A (en) * | 2011-04-27 | 2012-10-31 | 华锐风电科技(集团)股份有限公司 | Foundation leveling device, foundation assembly and foundation forming method for wind driven generator tower |
| CN103255778A (en) * | 2013-03-22 | 2013-08-21 | 广东明阳风电产业集团有限公司 | Grouting positioning and leveling method for offshore wind turbine jacket foundation setting |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929148A (en) * | 2015-07-06 | 2015-09-23 | 同济大学建筑设计研究院(集团)有限公司 | Reverse installation reinforcement system and method of wind power generation tower foundation ring foundation |
| CN105134512A (en) * | 2015-08-14 | 2015-12-09 | 大连理工大学 | Special attachment backing ring for fan |
| CN106436735A (en) * | 2016-07-27 | 2017-02-22 | 中国能源建设集团安徽电力建设第工程有限公司 | Wind turbine foundation ring installation method |
| CN106436735B (en) * | 2016-07-27 | 2018-06-12 | 中国能源建设集团安徽电力建设第一工程有限公司 | A kind of installation method of blower foundation ring |
| CN106595449A (en) * | 2016-12-21 | 2017-04-26 | 尹建云 | Testing method for coaxiality of flanges at two ends of pipeline valve |
| CN106595449B (en) * | 2016-12-21 | 2019-04-30 | 河南工程学院 | Pipeline valve both ends flange coaxiality detection method |
| CN106738295A (en) * | 2017-01-17 | 2017-05-31 | 中交公局第二工程有限公司 | A kind of adjustable forced centering apparatus of beam sections short-line prefabrication measurement |
| CN111963383A (en) * | 2020-08-17 | 2020-11-20 | 上海电气风电集团股份有限公司 | Foundation ring and machining and construction method thereof |
| CN112123251A (en) * | 2020-08-31 | 2020-12-25 | 广东工业大学 | Offshore wind turbine bolt set centering method based on visual tracking |
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| CN103967041B (en) | 2016-04-27 |
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