CN103114975A - Installation method of fan yaw drivers - Google Patents
Installation method of fan yaw drivers Download PDFInfo
- Publication number
- CN103114975A CN103114975A CN2012105490597A CN201210549059A CN103114975A CN 103114975 A CN103114975 A CN 103114975A CN 2012105490597 A CN2012105490597 A CN 2012105490597A CN 201210549059 A CN201210549059 A CN 201210549059A CN 103114975 A CN103114975 A CN 103114975A
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- driftage
- drives
- fastening
- drivers
- yaw
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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
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Abstract
The invention discloses an installation method of fan yaw drivers, and is applied to assembly of a wind power generator unit to ensure that all bolts of four yaw drivers can be fastened through a moment wrench according to a specified bolt fastening order. Two yaw drivers at the front end are firstly installed, then the yaw drivers at the rear end are installed after moment of all the bolts is fastened through the moment wrench, and therefore the fact that the installation bolts of all the yaw drivers can be fastened through the moment wrench is ensured. The method ensures that 24 pieces of bolt moment of the yaw drivers are uniform, influences brought by fastening of the bolts on precision of teeth gaps are greatly reduced, work difficulty is reduced, work efficiency is improved, and operation stability and safety of the yaw drivers are ensured.
Description
Technical field
The invention belongs to wind power generating set and assemble the field, relate to a kind of assembly method, relate in particular to the installation method that a kind of fan yaw drives.
Background technique
In present wind generating set yaw drive installation requires, 4 driftages drive and 96 bolts have a variety of erection sequences available, the installation that driftage the drives order of employing 1234 or 4321 is usually installed, and press successively 24 bolts of fastening every the driving of criss-crossing method according to the erection sequence that driftage drives, if after clamping bolt, backlash can not satisfy installation requirement, readjust after must demounting bolt and fastening.According to present mounting process, in installation process, the bolt of four driftage drivings has the part bolt evenly fastening because space problem can't use torque spanner to carry out, can't all adopt common wrench to carry out with the fastening bolt of torque spanner fastening, this mounting process can't guarantee the even of 24 bolts moments, when making clamping bolt, backlash produces larger variation, easily the undesirable problem of backlash after the generation bolton, increased the requirement in man-hour, reduced working efficiency.
Summary of the invention
Thereby the present invention can't all carry out the fastening problem that increases installation difficulty, reduces working efficiency with torque spanner for the bolt that solves four driftage drivings, utilize driftage drive installation technique of the present invention can effectively guarantee all driftage drive installation bolts can use torque spanner on request tightening sequence carry out fastening, reduce the impact of bolton on the backlash precision, reduced installation difficulty.Guarantee fan yaw security of system, operation reliably.
To achieve these goals, the present invention adopts following technological scheme.
The installation method that a kind of fan yaw drives is applied to the assembling of wind power generating set, guarantee all bolts that 4 driftages drive can with torque spanner in accordance with regulations bolton sequentially carry out fastening.
The driftage that step (1) is installed a front end drives; The 1st driftage driven a mounting point hanging the front end to the mainframe, adjust backlash to predetermined range 0.7mm-1mm, 24 driftage driving bolts are installed;
The driftage that step (2) is installed another front end drives; The 2nd driftage driven another mounting point of putting the front end that winches on mainframe, the same step of installation method (1);
The driftage that step (3) is installed a rear end drives; The 3rd driftage driven another mounting point hang the rear end to the mainframe, the same step of installation method (1);
The driftage that step (4) is installed another rear end drives; The 4th driftage driven another mounting point hang the rear end to the mainframe, the same step of installation method (1).
Described step (1) is installed 24 driftages and is driven in the process of bolt, if backlash less than normal (0.7 ± 0.1mm) first fastening 2 to 3 inboard bolts (driftage of the most close main frame frame end drives bolt) after the regulation moment values by the fastening residue bolt of criss-crossing method, if backlash bigger than normal (1 ± 0.1mm) first fastening 2 to 3 outside bolts (the driftage away from the mainframe end drives bolt) after the regulation moment values by the fastening residue bolt of criss-crossing method.
Every driftage drives fastening rear backlash must be in regulation backlash scope, and any two driftages drive the backlash differences and are less than or equal to 0.1mm.
Beneficial effect of the present invention: technological method key of the present invention be the to go off course erection sequence that drives and the tightening sequence of bolt, by technological method of the present invention install can effectively guarantee to go off course drive all bolts can be fastening and adjust backlash according to the order of bolton uniformly with torque spanner.Guaranteed that driftage drives 24 bolts moments even, greatly reduced the impact that the precision of backlash is brought by bolton, reduced work difficulty, improved working efficiency, guaranteed operation stability and Security that driftage drives.
Description of drawings
Fig. 1 is the general structure schematic diagram of driftage drive installation of the present invention.
Fig. 2 is that driftage driving of the present invention coordinates schematic diagram with the gear of driftage bearing.
Fig. 3 is the concrete structure schematic diagram of driftage drive installation of the present invention.
Wherein, 1, the First driftage drives; 2, second driftage drives; 3, the 3rd driftage drives; 4, the 4th driftage drives; 5, the small gear of driftage driving; 6, the gearwheel of driftage bearing; 7, can't use the fastening construction bolt of torque spanner; 8, mainframe.
Embodiment
The invention will be further described below in conjunction with accompanying drawing and embodiment.
As shown in Figure 3, First driftage drives 1, second driftage and drives 2, the 3rd driftages and drive 3, the 4th driftages to drive the distance of 4 inboard and mainframe 8 less.Because second driftage drives the front end that 2 and the 3rd driftage drivings 3 are arranged on mainframe 8, it drives 1 and the 4th driftage from the First driftage that is arranged on mainframe 8 rear ends, and to drive 4 radian different, shown in figure, can't be subjected to the main body of mainframe 8 and the impact that the First driftage drives 1 or the 4th driftage driving 4 with the fastening construction bolt 7 of torque spanner, can not use the torque spanner Tightening moment.The present embodiment is first installed second driftage and is driven 2 and the 3rd driftage drivings 3, and drive 1, the 4th driftage driving with the First driftage is installed after fastening all Bolt Torque of torque spanner again, can guarantee that the construction bolt that all driftages drive can be fastening with torque spanner.
As shown in Figure 1, second driftage driven 2 mounting points that hang the front end to the mainframe 8, adjust backlash to prescribed level, clearance gauge is measured the construction bolt that 24 driftages of qualified rear installation drive, and divides 2 Tightening moments to the regulation moment values by the criss-crossing method; Energising rotation driftage bearing forwards the mark tooth to the 3rd driftage and drives 3 mounting point, the 3rd driftage is installed drives 3, and installation method is the same; The 4th driftage driven 4 mounting points that hang the rear end to the mainframe 8, and installation method is the same; The First driftage is installed at last drives 1, installation method is the same.
As shown in Figure 2, the small gear 5 that driftage drives is adjusted in predetermined range with the gearwheel 6 engagement place backlash of driftage bearing, then Tightening moment.If backlash is less by (0.7 ± 0.1mm), first press the fastening residue bolt of criss-crossing method after fastening 2 to 3 inboard bolts (construction bolt that the driftage of the most close main frame frame end drives), if backlash large (1 ± 0.1mm), after first fastening 2 to 3 outside bolts (construction bolt that drives away from the driftage of mainframe end) by the fastening residue bolt of criss-crossing method.Control driftage drive displacement (inside or outside) by the order of controlling clamping bolt, thereby carry out the inching of backlash.By common technological method, inboard bolt can't carry out with torque spanner fastening, has increased the difficulty that backlash is adjusted, and has increased the uncertainty of clamping bolt on the backlash impact, is difficult to ensure card backlash precision.For guaranteeing the backlash precision, effectively control driftage drive displacement amount, guarantee that driftage drives stressed even, and the fastening of construction bolt that driftage drives should be carried out as stated above.
In prior art, it is 6 hours that the installation of every complete machine driftage driving expends man-hour, and after adopting mounting process of the present invention, it is 4.5 hours that every complete machine driftage drive installation expends man-hour, has greatly reduced installation difficulty, has improved working efficiency.
Although above-mentionedly by reference to the accompanying drawings the specific embodiment of the present invention is described; but be not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technological scheme of the present invention, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection scope of the present invention.
Claims (3)
1. the installation method that fan yaw drives, is characterized in that, comprises the steps:
The driftage that step (1) is installed a front end drives; The 1st driftage driven a mounting point hanging the front end to the mainframe, adjust backlash in predetermined range, 24 driftage driving bolts are installed;
The driftage that step (2) is installed another front end drives; The 2nd driftage driven another mounting point of putting the front end that winches on mainframe, the same step of installation method (1);
The driftage that step (3) is installed a rear end drives; The 3rd driftage driven another mounting point hang the rear end to the mainframe, the same step of installation method (1);
The driftage that step (4) is installed another rear end drives; The 4th driftage driven another mounting point hang the rear end to the mainframe, the same step of installation method (1).
2. the installation method that drives of fan yaw as claimed in claim 1, it is characterized in that, described step (1) is installed 24 driftages and is driven in the process of bolt, if backlash is 0.7 ± 0.1mm, first fastening 2 to 3 inboard bolts are pressed the fastening residue bolt of criss-crossing method after the regulation moment values, if backlash is 1 ± 0.1mm, first fastening 2 to 3 outside bolts are pressed the fastening residue bolt of criss-crossing method after the regulation moment values.
3. the installation method of fan yaw driving as claimed in claim 1 or 2, is characterized in that, any two driftages drive the backlash differences and are less than or equal to 0.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210549059.7A CN103114975B (en) | 2012-12-18 | 2012-12-18 | Installation method of fan yaw drivers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210549059.7A CN103114975B (en) | 2012-12-18 | 2012-12-18 | Installation method of fan yaw drivers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103114975A true CN103114975A (en) | 2013-05-22 |
| CN103114975B CN103114975B (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210549059.7A Active CN103114975B (en) | 2012-12-18 | 2012-12-18 | Installation method of fan yaw drivers |
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| CN (1) | CN103114975B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091197A (en) * | 2017-06-29 | 2017-08-25 | 国电联合动力技术有限公司 | A kind of method that Wind turbines pitch variable bearings bolt is tightened |
| CN113048014A (en) * | 2019-12-27 | 2021-06-29 | 新疆金风科技股份有限公司 | Blade root bolt fastening control system and control method of wind generating set |
Citations (5)
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| DE10307929A1 (en) * | 2003-02-25 | 2004-09-02 | General Electric Co. | Rotational structure for a wind-power plant machine-driven gondola has an arrangement of bearings to rotate the gondola on a tower and a drive mechanism to rotate the gondola against the tower |
| CN101558234A (en) * | 2006-11-03 | 2009-10-14 | 维斯塔斯风力***有限公司 | A yawing system for a wind turbine |
| CN201874758U (en) * | 2010-12-07 | 2011-06-22 | 沈阳远大机电装备有限公司 | Ant-vibration main engine base of wind generating set |
| CN202326009U (en) * | 2011-11-18 | 2012-07-11 | 广东东兴风盈风电设备制造有限公司 | Yaw system of wind power generator set |
| CN102661248A (en) * | 2012-04-26 | 2012-09-12 | 广东明阳风电产业集团有限公司 | Base structure of wind generating set |
-
2012
- 2012-12-18 CN CN201210549059.7A patent/CN103114975B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10307929A1 (en) * | 2003-02-25 | 2004-09-02 | General Electric Co. | Rotational structure for a wind-power plant machine-driven gondola has an arrangement of bearings to rotate the gondola on a tower and a drive mechanism to rotate the gondola against the tower |
| CN101558234A (en) * | 2006-11-03 | 2009-10-14 | 维斯塔斯风力***有限公司 | A yawing system for a wind turbine |
| CN201874758U (en) * | 2010-12-07 | 2011-06-22 | 沈阳远大机电装备有限公司 | Ant-vibration main engine base of wind generating set |
| CN202326009U (en) * | 2011-11-18 | 2012-07-11 | 广东东兴风盈风电设备制造有限公司 | Yaw system of wind power generator set |
| CN102661248A (en) * | 2012-04-26 | 2012-09-12 | 广东明阳风电产业集团有限公司 | Base structure of wind generating set |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091197A (en) * | 2017-06-29 | 2017-08-25 | 国电联合动力技术有限公司 | A kind of method that Wind turbines pitch variable bearings bolt is tightened |
| CN107091197B (en) * | 2017-06-29 | 2019-06-25 | 国电联合动力技术有限公司 | A kind of method that Wind turbines pitch variable bearings bolt is tightened |
| CN113048014A (en) * | 2019-12-27 | 2021-06-29 | 新疆金风科技股份有限公司 | Blade root bolt fastening control system and control method of wind generating set |
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| Publication number | Publication date |
|---|---|
| CN103114975B (en) | 2015-03-18 |
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