CN103114975B - Installation method of fan yaw drivers - Google Patents
Installation method of fan yaw drivers Download PDFInfo
- Publication number
- CN103114975B CN103114975B CN201210549059.7A CN201210549059A CN103114975B CN 103114975 B CN103114975 B CN 103114975B CN 201210549059 A CN201210549059 A CN 201210549059A CN 103114975 B CN103114975 B CN 103114975B
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- Prior art keywords
- driftage
- fastening
- drivers
- bolt
- 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
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 assembling field, relate to a kind of assembly method, particularly relate to the installation method that a kind of fan yaw drives.
Background technique
In current wind generating set yaw drive installation requires, 4 driftage drivings and 96 bolts have a variety of erection sequence available, the installation that driftage drives adopts the order of 1234 or 4321 to install usually, and the erection sequence driven according to driftage is successively by 24 bolts that the fastening every platform of criss-crossing method drives, if backlash can not meet installation requirement after clamping bolt, then must to readjust after demounting bolt and fastening.According to current mounting process, in installation process, the bolt of four driftage drivings has part bolt evenly fastening because space problem cannot use torque spanner to carry out, common wrench all cannot be adopted to carry out with the bolt that torque spanner is fastening fastening, this mounting process cannot ensure the even of 24 bolts moments, when making clamping bolt, backlash produces larger change, after easy generation bolton, the undesirable problem of backlash, adds requirement in man-hour, reduces working efficiency.
Summary of the invention
The present invention is that the bolt that solution four driftage drives all cannot carry out fastening thus increase installation difficulty, reduction working efficiency problem with torque spanner, utilize driftage drive installation technique of the present invention can effectively ensure all driftage drive installation bolts can use torque spanner on request tightening sequence carry out fastening, reduce the impact of bolton on backlash precision, reduce installation difficulty.Ensure fan yaw security of system, run reliably.
To achieve these goals, the present invention adopts following technological scheme.
The installation method that fan yaw drives, is applied to the assembling of wind power generating set, guarantees that all bolts that 4 driftages drive can be undertaken fastening by regulation bolton order with torque spanner.
The driftage that step (1) installs a front end drives; 1st driftage is driven the mounting point hung to the front end on mainframe, and adjustment backlash, to predetermined range 0.7mm-1mm, is installed 24 driftages and is driven bolt;
The driftage that step (2) installs another front end drives; 2nd driftage is driven another mounting point of putting the front end winched on mainframe, the same step of installation method (1);
The driftage that step (3) installs a rear end drives; 3rd driftage is driven another mounting point hung to the rear end on mainframe, the same step of installation method (1);
The driftage that step (4) installs another rear end drives; 4th driftage is driven another mounting point hung to the rear end on 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 (0.7 ± 0.1mm) less than normal, inside first fastening 2 to 3, bolts (driftage near main frame frame end drives bolt) press the fastening residue bolt of criss-crossing method after regulation moment values, if backlash (1 ± 0.1mm) bigger than normal, first fastening 2 to 3 outside bolts (driftage farthest away from main frame frame end drives bolt) press the fastening residue bolt of criss-crossing method after specifying moment values.
Every platform driftage drives fastening rear backlash specifying within the scope of backlash, and any two driftages drive backlash differences to be less than or equal to 0.1mm.
Beneficial effect of the present invention: technological method of the present invention key is to go off course the tightening sequence of the erection sequence that drives and bolt, is undertaken installing can effectively ensureing to go off course by technological method of the present invention and drives all bolts can be fastening uniformly and according to the order adjustment backlash of bolton with torque spanner.Ensure that driftage driving 24 bolts moment is even, the impact that the precision substantially reducing backlash is brought by bolton, reduces work difficulty, improves working efficiency, ensure that the operation stability that driftage drives and Security.
Accompanying drawing explanation
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, 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, construction bolt torque spanner cannot being used fastening; 8, mainframe.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the invention will be further described.
As shown in Figure 3, the distance of First driftage driving 1, second driftage driving 2, the 3rd driftage driving 3, the 4th the driftage inner side of driving 4 and mainframe 8 is less.Because second driftage driving 2 and the 3rd driftage driving 3 are arranged on the front end of mainframe 8, the go off course radian of driving 1 and the 4th driving 4 of going off course of itself and the First being arranged on mainframe 8 rear end is different, shown in figure, the main body of mainframe 8 and the impact of First driftage driving 1 or the 4th driftage driving 4 cannot be subject to the construction bolt 7 that torque spanner is fastening, torque spanner Tightening moment can not be used.The present embodiment first installs second driftage driving 2 and the 3rd driftage driving 3, and with installing First driftage driving 1, the 4th driftage driving after the fastening all Bolt Torque of torque spanner again, can ensure that the construction bolt that all driftages drive can be fastening with torque spanner.
As shown in Figure 1, second driftage driving 2 is hung a mounting point to the front end on mainframe 8, adjustment backlash is to prescribed level, and the construction bolt that qualified rear installation 24 driftage drives measured by clearance gauge, divides 2 Tightening moments to regulation moment values by criss-crossing method; Energising rotates driftage bearing, mark tooth is forwarded to the mounting point of the 3rd driftage driving 3, and install the 3rd driftage driving 3, installation method is the same; 4th driftage driving 4 is hung a mounting point to the rear end on mainframe 8, and installation method is the same; Finally install First driftage driving 1, installation method is the same.
As shown in Figure 2, the small gear 5 driftage driven is adjusted in predetermined range with the gearwheel 6 engagement place backlash of driftage bearing, then Tightening moment.If backlash less (0.7 ± 0.1mm), then first fastening 2 to 3 inner sides bolt (construction bolt that the driftage near main frame frame end drives) press the fastening residue bolt of criss-crossing method afterwards, if backlash comparatively large (1 ± 0.1mm), then first fastening 2 to 3 outsides bolt (construction bolt that the driftage farthest away from main frame frame end drives) press the fastening residue bolt of criss-crossing method afterwards.Control driftage drive displacement (inside or outside) by the order controlling clamping bolt, thus carry out the inching of backlash.By common technological method, inner side bolt cannot carry out fastening with torque spanner, then increase the difficulty of backlash adjustment, add the uncertainty that clamping bolt affects backlash, is comparatively difficult to ensure card backlash precision.For ensureing backlash precision, effectively control driftage drive displacement amount, ensure that driftage drives uniform force, 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 that every platform complete machine driftage drives expends man-hour, and after adopting mounting process of the present invention, it is 4.5 hours that every platform complete machine driftage drive installation expends man-hour, substantially reduces installation difficulty, improves working efficiency.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but 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 amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (2)
1. an installation method for fan yaw driving, is characterized in that, comprise the steps:
The driftage that step (1) installs a front end drives; 1st driftage is driven the mounting point hung to the front end on mainframe, and adjustment backlash, in predetermined range, is installed 24 driftages and is driven bolt; Installing 24 driftages drives in the process of bolt, if backlash is 0.7 ± 0.1mm, then first fastening 2 to 3 inner side bolts press the fastening residue bolt of criss-crossing method after regulation moment values, if backlash is 1 ± 0.1mm, then first fastening 2 to 3 outside bolts press the fastening residue bolt of criss-crossing method after regulation moment values;
The driftage that step (2) installs another front end drives; 2nd driftage is driven another mounting point of putting the front end winched on mainframe, the same step of installation method (1);
The driftage that step (3) installs a rear end drives; 3rd driftage is driven another mounting point hung to the rear end on mainframe, the same step of installation method (1);
The driftage that step (4) installs another rear end drives; 4th driftage is driven another mounting point hung to the rear end on mainframe, the same step of installation method (1).
2. the installation method of fan yaw driving as claimed in claim 1, is characterized in that, any two driftages drive backlash differences to be 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 CN103114975A (en) | 2013-05-22 |
| CN103114975B true 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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| Country | Link |
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| CN (1) | CN103114975B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113048014B (en) * | 2019-12-27 | 2023-03-31 | 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)
| 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 | 维斯塔斯风力系统有限公司 | 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 | 维斯塔斯风力系统有限公司 | 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 |
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| CN103114975A (en) | 2013-05-22 |
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